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xieyinlu
2024-11-30 19:03:49 +08:00
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156
java/org/apache/coyote/http2/AbstractStream.java Normal file
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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.coyote.http2;
import java.util.Collections;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import org.apache.juli.logging.Log;
import org.apache.juli.logging.LogFactory;
import org.apache.tomcat.util.res.StringManager;
/**
* Used to managed prioritisation.
*/
abstract class AbstractStream {
private static final Log log = LogFactory.getLog(AbstractStream.class);
private static final StringManager sm = StringManager.getManager(AbstractStream.class);
private final Integer identifier;
private volatile AbstractStream parentStream = null;
private final Set<Stream> childStreams =
Collections.newSetFromMap(new ConcurrentHashMap<Stream,Boolean>());
private long windowSize = ConnectionSettingsBase.DEFAULT_INITIAL_WINDOW_SIZE;
public AbstractStream(Integer identifier) {
this.identifier = identifier;
}
public Integer getIdentifier() {
return identifier;
}
public int getIdAsInt() {
return identifier.intValue();
}
void detachFromParent() {
if (parentStream != null) {
parentStream.getChildStreams().remove(this);
parentStream = null;
}
}
final void addChild(Stream child) {
child.setParentStream(this);
childStreams.add(child);
}
boolean isDescendant(AbstractStream stream) {
// Is the passed in Stream a descendant of this Stream?
// Start at the passed in Stream and work up
AbstractStream parent = stream.getParentStream();
while (parent != null && parent != this) {
parent = parent.getParentStream();
}
return parent != null;
}
AbstractStream getParentStream() {
return parentStream;
}
void setParentStream(AbstractStream parentStream) {
this.parentStream = parentStream;
}
final Set<Stream> getChildStreams() {
return childStreams;
}
protected synchronized void setWindowSize(long windowSize) {
this.windowSize = windowSize;
}
protected synchronized long getWindowSize() {
return windowSize;
}
/**
* Increment window size.
* @param increment The amount by which the window size should be increased
* @throws Http2Exception If the window size is now higher than
* the maximum allowed
*/
protected synchronized void incrementWindowSize(int increment) throws Http2Exception {
// No need for overflow protection here.
// Increment can't be more than Integer.MAX_VALUE and once windowSize
// goes beyond 2^31-1 an error is triggered.
windowSize += increment;
if (log.isDebugEnabled()) {
log.debug(sm.getString("abstractStream.windowSizeInc", getConnectionId(),
getIdentifier(), Integer.toString(increment), Long.toString(windowSize)));
}
if (windowSize > ConnectionSettingsBase.MAX_WINDOW_SIZE) {
String msg = sm.getString("abstractStream.windowSizeTooBig", getConnectionId(), identifier,
Integer.toString(increment), Long.toString(windowSize));
if (identifier.intValue() == 0) {
throw new ConnectionException(msg, Http2Error.FLOW_CONTROL_ERROR);
} else {
throw new StreamException(
msg, Http2Error.FLOW_CONTROL_ERROR, identifier.intValue());
}
}
}
protected synchronized void decrementWindowSize(int decrement) {
// No need for overflow protection here. Decrement can never be larger
// the Integer.MAX_VALUE and once windowSize goes negative no further
// decrements are permitted
windowSize -= decrement;
if (log.isDebugEnabled()) {
log.debug(sm.getString("abstractStream.windowSizeDec", getConnectionId(),
getIdentifier(), Integer.toString(decrement), Long.toString(windowSize)));
}
}
protected abstract String getConnectionId();
protected abstract int getWeight();
@Deprecated // Unused
protected abstract void doNotifyAll();
}

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java/org/apache/coyote/http2/ByteUtil.java Normal file
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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.coyote.http2;
/**
* Utility class for extracting values from byte arrays.
*/
public class ByteUtil {
private ByteUtil() {
// Hide default constructor
}
public static boolean isBit7Set(byte input) {
return (input & 0x80) != 0;
}
public static int get31Bits(byte[] input, int firstByte) {
return ((input[firstByte] & 0x7F) << 24) + ((input[firstByte + 1] & 0xFF) << 16) +
((input[firstByte + 2] & 0xFF) << 8) + (input[firstByte + 3] & 0xFF);
}
public static void set31Bits(byte[] output, int firstByte, int value) {
output[firstByte] = (byte) ((value & 0x7F000000) >> 24);
output[firstByte + 1] = (byte) ((value & 0xFF0000) >> 16);
output[firstByte + 2] = (byte) ((value & 0xFF00) >> 8);
output[firstByte + 3] = (byte) (value & 0xFF);
}
public static int getOneByte(byte[] input, int pos) {
return (input[pos] & 0xFF);
}
public static int getTwoBytes(byte[] input, int firstByte) {
return ((input[firstByte] & 0xFF) << 8) + (input[firstByte + 1] & 0xFF);
}
public static int getThreeBytes(byte[] input, int firstByte) {
return ((input[firstByte] & 0xFF) << 16) + ((input[firstByte + 1] & 0xFF) << 8) +
(input[firstByte + 2] & 0xFF);
}
public static void setOneBytes(byte[] output, int firstByte, int value) {
output[firstByte] = (byte) (value & 0xFF);
}
public static void setTwoBytes(byte[] output, int firstByte, int value) {
output[firstByte] = (byte) ((value & 0xFF00) >> 8);
output[firstByte + 1] = (byte) (value & 0xFF);
}
public static void setThreeBytes(byte[] output, int firstByte, int value) {
output[firstByte] = (byte) ((value & 0xFF0000) >> 16);
output[firstByte + 1] = (byte) ((value & 0xFF00) >> 8);
output[firstByte + 2] = (byte) (value & 0xFF);
}
public static long getFourBytes(byte[] input, int firstByte) {
return ((long)(input[firstByte] & 0xFF) << 24) + ((input[firstByte + 1] & 0xFF) << 16) +
((input[firstByte + 2] & 0xFF) << 8) + (input[firstByte + 3] & 0xFF);
}
public static void setFourBytes(byte[] output, int firstByte, long value) {
output[firstByte] = (byte) ((value & 0xFF000000) >> 24);
output[firstByte + 1] = (byte) ((value & 0xFF0000) >> 16);
output[firstByte + 2] = (byte) ((value & 0xFF00) >> 8);
output[firstByte + 3] = (byte) (value & 0xFF);
}
}

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java/org/apache/coyote/http2/ConnectionException.java Normal file
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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.coyote.http2;
/**
* Thrown when an HTTP/2 connection error occurs.
*/
public class ConnectionException extends Http2Exception {
private static final long serialVersionUID = 1L;
ConnectionException(String msg, Http2Error error) {
super(msg, error);
}
ConnectionException(String msg, Http2Error error, Throwable cause) {
super(msg, error, cause);
}
}

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java/org/apache/coyote/http2/ConnectionSettingsBase.java Normal file
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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.coyote.http2;
import java.util.HashMap;
import java.util.Map;
import org.apache.juli.logging.Log;
import org.apache.juli.logging.LogFactory;
import org.apache.tomcat.util.res.StringManager;
public abstract class ConnectionSettingsBase<T extends Throwable> {
private final Log log = LogFactory.getLog(ConnectionSettingsBase.class); // must not be static
private final StringManager sm = StringManager.getManager(ConnectionSettingsBase.class);
private final String connectionId;
// Limits
protected static final int MAX_WINDOW_SIZE = (1 << 31) - 1;
protected static final int MIN_MAX_FRAME_SIZE = 1 << 14;
protected static final int MAX_MAX_FRAME_SIZE = (1 << 24) - 1;
protected static final long UNLIMITED = ((long)1 << 32); // Use the maximum possible
protected static final int MAX_HEADER_TABLE_SIZE = 1 << 16;
// Defaults (defined by the specification)
protected static final int DEFAULT_HEADER_TABLE_SIZE = Hpack.DEFAULT_TABLE_SIZE;
protected static final boolean DEFAULT_ENABLE_PUSH = true;
protected static final long DEFAULT_MAX_CONCURRENT_STREAMS = UNLIMITED;
protected static final int DEFAULT_INITIAL_WINDOW_SIZE = (1 << 16) - 1;
protected static final int DEFAULT_MAX_FRAME_SIZE = MIN_MAX_FRAME_SIZE;
protected static final long DEFAULT_MAX_HEADER_LIST_SIZE = 1 << 15;
protected Map<Setting,Long> current = new HashMap<>();
protected Map<Setting,Long> pending = new HashMap<>();
public ConnectionSettingsBase(String connectionId) {
this.connectionId = connectionId;
// Set up the defaults
current.put(Setting.HEADER_TABLE_SIZE, Long.valueOf(DEFAULT_HEADER_TABLE_SIZE));
current.put(Setting.ENABLE_PUSH, Long.valueOf(DEFAULT_ENABLE_PUSH ? 1 : 0));
current.put(Setting.MAX_CONCURRENT_STREAMS, Long.valueOf(DEFAULT_MAX_CONCURRENT_STREAMS));
current.put(Setting.INITIAL_WINDOW_SIZE, Long.valueOf(DEFAULT_INITIAL_WINDOW_SIZE));
current.put(Setting.MAX_FRAME_SIZE, Long.valueOf(DEFAULT_MAX_FRAME_SIZE));
current.put(Setting.MAX_HEADER_LIST_SIZE, Long.valueOf(DEFAULT_MAX_HEADER_LIST_SIZE));
}
public void set(Setting setting, long value) throws T {
if (log.isDebugEnabled()) {
log.debug(sm.getString("connectionSettings.debug",
connectionId, getEndpointName(), setting, Long.toString(value)));
}
switch(setting) {
case HEADER_TABLE_SIZE:
validateHeaderTableSize(value);
break;
case ENABLE_PUSH:
validateEnablePush(value);
break;
case MAX_CONCURRENT_STREAMS:
// No further validation required
break;
case INITIAL_WINDOW_SIZE:
validateInitialWindowSize(value);
break;
case MAX_FRAME_SIZE:
validateMaxFrameSize(value);
break;
case MAX_HEADER_LIST_SIZE:
// No further validation required
break;
case UNKNOWN:
// Unrecognised. Ignore it.
log.warn(sm.getString("connectionSettings.unknown",
connectionId, setting, Long.toString(value)));
return;
}
set(setting, Long.valueOf(value));
}
synchronized void set(Setting setting, Long value) {
current.put(setting, value);
}
public int getHeaderTableSize() {
return getMinInt(Setting.HEADER_TABLE_SIZE);
}
public boolean getEnablePush() {
long result = getMin(Setting.ENABLE_PUSH);
return result != 0;
}
public long getMaxConcurrentStreams() {
return getMax(Setting.MAX_CONCURRENT_STREAMS);
}
public int getInitialWindowSize() {
return getMaxInt(Setting.INITIAL_WINDOW_SIZE);
}
public int getMaxFrameSize() {
return getMaxInt(Setting.MAX_FRAME_SIZE);
}
public long getMaxHeaderListSize() {
return getMax(Setting.MAX_HEADER_LIST_SIZE);
}
private synchronized long getMin(Setting setting) {
Long pendingValue = pending.get(setting);
long currentValue = current.get(setting).longValue();
if (pendingValue == null) {
return currentValue;
} else {
return Math.min(pendingValue.longValue(), currentValue);
}
}
private synchronized int getMinInt(Setting setting) {
long result = getMin(setting);
if (result > Integer.MAX_VALUE) {
return Integer.MAX_VALUE;
} else {
return (int) result;
}
}
private synchronized long getMax(Setting setting) {
Long pendingValue = pending.get(setting);
long currentValue = current.get(setting).longValue();
if (pendingValue == null) {
return currentValue;
} else {
return Math.max(pendingValue.longValue(), currentValue);
}
}
private synchronized int getMaxInt(Setting setting) {
long result = getMax(setting);
if (result > Integer.MAX_VALUE) {
return Integer.MAX_VALUE;
} else {
return (int) result;
}
}
private void validateHeaderTableSize(long headerTableSize) throws T {
if (headerTableSize > MAX_HEADER_TABLE_SIZE) {
String msg = sm.getString("connectionSettings.headerTableSizeLimit",
connectionId, Long.toString(headerTableSize));
throwException(msg, Http2Error.PROTOCOL_ERROR);
}
}
private void validateEnablePush(long enablePush) throws T {
// Can't be less than zero since the result of the byte->long conversion
// will never be negative
if (enablePush > 1) {
String msg = sm.getString("connectionSettings.enablePushInvalid",
connectionId, Long.toString(enablePush));
throwException(msg, Http2Error.PROTOCOL_ERROR);
}
}
private void validateInitialWindowSize(long initialWindowSize) throws T {
if (initialWindowSize > MAX_WINDOW_SIZE) {
String msg = sm.getString("connectionSettings.windowSizeTooBig",
connectionId, Long.toString(initialWindowSize), Long.toString(MAX_WINDOW_SIZE));
throwException(msg, Http2Error.FLOW_CONTROL_ERROR);
}
}
private void validateMaxFrameSize(long maxFrameSize) throws T {
if (maxFrameSize < MIN_MAX_FRAME_SIZE || maxFrameSize > MAX_MAX_FRAME_SIZE) {
String msg = sm.getString("connectionSettings.maxFrameSizeInvalid",
connectionId, Long.toString(maxFrameSize), Integer.toString(MIN_MAX_FRAME_SIZE),
Integer.toString(MAX_MAX_FRAME_SIZE));
throwException(msg, Http2Error.PROTOCOL_ERROR);
}
}
abstract void throwException(String msg, Http2Error error) throws T;
abstract String getEndpointName();
}

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java/org/apache/coyote/http2/ConnectionSettingsLocal.java Normal file
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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.coyote.http2;
import java.util.Map;
/**
* Represents the local connection settings i.e. the settings the client is
* expected to use when communicating with the server. There will be a delay
* between calling a setter and the setting taking effect at the client. When a
* setter is called, the new value is added to the set of pending settings. Once
* the ACK is received, the new value is moved to the current settings. While
* waiting for the ACK, the getters will return the most lenient / generous /
* relaxed of the current setting and the pending setting. This class does not
* validate the values passed to the setters. If an invalid value is used the
* client will respond (almost certainly by closing the connection) as defined
* in the HTTP/2 specification.
*/
public class ConnectionSettingsLocal extends ConnectionSettingsBase<IllegalArgumentException> {
private static final String ENDPOINT_NAME = "Local(client->server)";
private boolean sendInProgress = false;
public ConnectionSettingsLocal(String connectionId) {
super(connectionId);
}
@Override
protected synchronized void set(Setting setting, Long value) {
checkSend();
if (current.get(setting).longValue() == value.longValue()) {
pending.remove(setting);
} else {
pending.put(setting, value);
}
}
synchronized byte[] getSettingsFrameForPending() {
checkSend();
int payloadSize = pending.size() * 6;
byte[] result = new byte[9 + payloadSize];
ByteUtil.setThreeBytes(result, 0, payloadSize);
result[3] = FrameType.SETTINGS.getIdByte();
// No flags
// Stream is zero
// Payload
int pos = 9;
for (Map.Entry<Setting,Long> setting : pending.entrySet()) {
ByteUtil.setTwoBytes(result, pos, setting.getKey().getId());
pos += 2;
ByteUtil.setFourBytes(result, pos, setting.getValue().longValue());
pos += 4;
}
sendInProgress = true;
return result;
}
synchronized boolean ack() {
if (sendInProgress) {
sendInProgress = false;
current.putAll(pending);
pending.clear();
return true;
} else {
return false;
}
}
private void checkSend() {
if (sendInProgress) {
// Coding error. No need for i18n
throw new IllegalStateException();
}
}
@Override
void throwException(String msg, Http2Error error) throws IllegalArgumentException {
throw new IllegalArgumentException(msg);
}
@Override
final String getEndpointName() {
return ENDPOINT_NAME;
}
}

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java/org/apache/coyote/http2/ConnectionSettingsRemote.java Normal file
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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.coyote.http2;
/**
* Represents the remote connection settings: i.e. the settings the server must
* use when communicating with the client.
*/
public class ConnectionSettingsRemote extends ConnectionSettingsBase<ConnectionException> {
private static final String ENDPOINT_NAME = "Remote(server->client)";
public ConnectionSettingsRemote(String connectionId) {
super(connectionId);
}
@Override
void throwException(String msg, Http2Error error) throws ConnectionException {
throw new ConnectionException(msg, error);
}
@Override
final String getEndpointName() {
return ENDPOINT_NAME;
}
}

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java/org/apache/coyote/http2/Constants.java Normal file
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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.coyote.http2;
public class Constants {
// Prioritisation
public static final int DEFAULT_WEIGHT = 16;
// Parsing
static final int DEFAULT_HEADER_READ_BUFFER_SIZE = 1024;
// Header frame size
// TODO: Is 1k the optimal value?
static final int DEFAULT_HEADERS_FRAME_SIZE = 1024;
// TODO: Is 64 too big? Just the status header with compression
static final int DEFAULT_HEADERS_ACK_FRAME_SIZE = 64;
// Limits
static final int DEFAULT_MAX_COOKIE_COUNT = 200;
static final int DEFAULT_MAX_HEADER_COUNT = 100;
static final int DEFAULT_MAX_HEADER_SIZE = 8 * 1024;
static final int DEFAULT_MAX_TRAILER_COUNT = 100;
static final int DEFAULT_MAX_TRAILER_SIZE = 8 * 1024;
}

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java/org/apache/coyote/http2/Flags.java Normal file
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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.coyote.http2;
public class Flags {
private Flags() {
// Utility class. Hide default constructor
}
public static boolean isEndOfStream(int flags) {
return (flags & 0x01) != 0;
}
public static boolean isAck(int flags) {
return (flags & 0x01) != 0;
}
public static boolean isEndOfHeaders(int flags) {
return (flags & 0x04) != 0;
}
public static boolean hasPadding(int flags) {
return (flags & 0x08) != 0;
}
public static boolean hasPriority(int flags) {
return (flags & 0x20) != 0;
}
}

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java/org/apache/coyote/http2/FrameType.java Normal file
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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.coyote.http2;
import org.apache.tomcat.util.res.StringManager;
public enum FrameType {
DATA (0, false, true, null, false),
HEADERS (1, false, true, null, true),
PRIORITY (2, false, true, equals(5), false),
RST (3, false, true, equals(4), false),
SETTINGS (4, true, false, dividableBy(6), true),
PUSH_PROMISE (5, false, true, greaterOrEquals(4), true),
PING (6, true, false, equals(8), false),
GOAWAY (7, true, false, greaterOrEquals(8), false),
WINDOW_UPDATE (8, true, true, equals(4), true),
CONTINUATION (9, false, true, null, true),
UNKNOWN (256, true, true, null, false);
private static final StringManager sm = StringManager.getManager(FrameType.class);
private final int id;
private final boolean streamZero;
private final boolean streamNonZero;
private final IntPredicate payloadSizeValidator;
private final boolean payloadErrorFatal;
private FrameType(int id, boolean streamZero, boolean streamNonZero,
IntPredicate payloadSizeValidator, boolean payloadErrorFatal) {
this.id = id;
this.streamZero = streamZero;
this.streamNonZero = streamNonZero;
this.payloadSizeValidator = payloadSizeValidator;
this.payloadErrorFatal = payloadErrorFatal;
}
public byte getIdByte() {
return (byte) id;
}
public void check(int streamId, int payloadSize) throws Http2Exception {
// Is FrameType valid for the given stream?
if (streamId == 0 && !streamZero || streamId != 0 && !streamNonZero) {
throw new ConnectionException(sm.getString("frameType.checkStream", this),
Http2Error.PROTOCOL_ERROR);
}
// Is the payload size valid for the given FrameType
if (payloadSizeValidator != null && !payloadSizeValidator.test(payloadSize)) {
if (payloadErrorFatal || streamId == 0) {
throw new ConnectionException(sm.getString("frameType.checkPayloadSize",
Integer.toString(payloadSize), this),
Http2Error.FRAME_SIZE_ERROR);
} else {
throw new StreamException(sm.getString("frameType.checkPayloadSize",
Integer.toString(payloadSize), this),
Http2Error.FRAME_SIZE_ERROR, streamId);
}
}
}
public static FrameType valueOf(int i) {
switch(i) {
case 0:
return DATA;
case 1:
return HEADERS;
case 2:
return PRIORITY;
case 3:
return RST;
case 4:
return SETTINGS;
case 5:
return PUSH_PROMISE;
case 6:
return PING;
case 7:
return GOAWAY;
case 8:
return WINDOW_UPDATE;
case 9:
return CONTINUATION;
default:
return UNKNOWN;
}
}
private interface IntPredicate {
boolean test(int x);
}
private static IntPredicate greaterOrEquals(final int y) {
return new IntPredicate() {
@Override
public boolean test(int x) {
return x >= y;
}
};
}
private static IntPredicate equals(final int y) {
return new IntPredicate() {
@Override
public boolean test(int x) {
return x == y;
}
};
}
private static IntPredicate dividableBy(final int y) {
return new IntPredicate() {
@Override
public boolean test(int x) {
return x % y == 0;
}
};
}
}

585
java/org/apache/coyote/http2/HPackHuffman.java Normal file
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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.coyote.http2;
import java.nio.ByteBuffer;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;
import org.apache.tomcat.util.res.StringManager;
public class HPackHuffman {
protected static final StringManager sm = StringManager.getManager(HPackHuffman.class);
private static final HuffmanCode[] HUFFMAN_CODES;
/**
* array based tree representation of a huffman code.
* <p/>
* the high two bytes corresponds to the tree node if the bit is set, and the low two bytes for if it is clear
* if the high bit is set it is a terminal node, otherwise it contains the next node position.
*/
private static final int[] DECODING_TABLE;
private static final int LOW_TERMINAL_BIT = (0b10000000) << 8;
private static final int HIGH_TERMINAL_BIT = (0b10000000) << 24;
private static final int LOW_MASK = 0b0111111111111111;
static {
HuffmanCode[] codes = new HuffmanCode[257];
codes[0] = new HuffmanCode(0x1ff8, 13);
codes[1] = new HuffmanCode(0x7fffd8, 23);
codes[2] = new HuffmanCode(0xfffffe2, 28);
codes[3] = new HuffmanCode(0xfffffe3, 28);
codes[4] = new HuffmanCode(0xfffffe4, 28);
codes[5] = new HuffmanCode(0xfffffe5, 28);
codes[6] = new HuffmanCode(0xfffffe6, 28);
codes[7] = new HuffmanCode(0xfffffe7, 28);
codes[8] = new HuffmanCode(0xfffffe8, 28);
codes[9] = new HuffmanCode(0xffffea, 24);
codes[10] = new HuffmanCode(0x3ffffffc, 30);
codes[11] = new HuffmanCode(0xfffffe9, 28);
codes[12] = new HuffmanCode(0xfffffea, 28);
codes[13] = new HuffmanCode(0x3ffffffd, 30);
codes[14] = new HuffmanCode(0xfffffeb, 28);
codes[15] = new HuffmanCode(0xfffffec, 28);
codes[16] = new HuffmanCode(0xfffffed, 28);
codes[17] = new HuffmanCode(0xfffffee, 28);
codes[18] = new HuffmanCode(0xfffffef, 28);
codes[19] = new HuffmanCode(0xffffff0, 28);
codes[20] = new HuffmanCode(0xffffff1, 28);
codes[21] = new HuffmanCode(0xffffff2, 28);
codes[22] = new HuffmanCode(0x3ffffffe, 30);
codes[23] = new HuffmanCode(0xffffff3, 28);
codes[24] = new HuffmanCode(0xffffff4, 28);
codes[25] = new HuffmanCode(0xffffff5, 28);
codes[26] = new HuffmanCode(0xffffff6, 28);
codes[27] = new HuffmanCode(0xffffff7, 28);
codes[28] = new HuffmanCode(0xffffff8, 28);
codes[29] = new HuffmanCode(0xffffff9, 28);
codes[30] = new HuffmanCode(0xffffffa, 28);
codes[31] = new HuffmanCode(0xffffffb, 28);
codes[32] = new HuffmanCode(0x14, 6);
codes[33] = new HuffmanCode(0x3f8, 10);
codes[34] = new HuffmanCode(0x3f9, 10);
codes[35] = new HuffmanCode(0xffa, 12);
codes[36] = new HuffmanCode(0x1ff9, 13);
codes[37] = new HuffmanCode(0x15, 6);
codes[38] = new HuffmanCode(0xf8, 8);
codes[39] = new HuffmanCode(0x7fa, 11);
codes[40] = new HuffmanCode(0x3fa, 10);
codes[41] = new HuffmanCode(0x3fb, 10);
codes[42] = new HuffmanCode(0xf9, 8);
codes[43] = new HuffmanCode(0x7fb, 11);
codes[44] = new HuffmanCode(0xfa, 8);
codes[45] = new HuffmanCode(0x16, 6);
codes[46] = new HuffmanCode(0x17, 6);
codes[47] = new HuffmanCode(0x18, 6);
codes[48] = new HuffmanCode(0x0, 5);
codes[49] = new HuffmanCode(0x1, 5);
codes[50] = new HuffmanCode(0x2, 5);
codes[51] = new HuffmanCode(0x19, 6);
codes[52] = new HuffmanCode(0x1a, 6);
codes[53] = new HuffmanCode(0x1b, 6);
codes[54] = new HuffmanCode(0x1c, 6);
codes[55] = new HuffmanCode(0x1d, 6);
codes[56] = new HuffmanCode(0x1e, 6);
codes[57] = new HuffmanCode(0x1f, 6);
codes[58] = new HuffmanCode(0x5c, 7);
codes[59] = new HuffmanCode(0xfb, 8);
codes[60] = new HuffmanCode(0x7ffc, 15);
codes[61] = new HuffmanCode(0x20, 6);
codes[62] = new HuffmanCode(0xffb, 12);
codes[63] = new HuffmanCode(0x3fc, 10);
codes[64] = new HuffmanCode(0x1ffa, 13);
codes[65] = new HuffmanCode(0x21, 6);
codes[66] = new HuffmanCode(0x5d, 7);
codes[67] = new HuffmanCode(0x5e, 7);
codes[68] = new HuffmanCode(0x5f, 7);
codes[69] = new HuffmanCode(0x60, 7);
codes[70] = new HuffmanCode(0x61, 7);
codes[71] = new HuffmanCode(0x62, 7);
codes[72] = new HuffmanCode(0x63, 7);
codes[73] = new HuffmanCode(0x64, 7);
codes[74] = new HuffmanCode(0x65, 7);
codes[75] = new HuffmanCode(0x66, 7);
codes[76] = new HuffmanCode(0x67, 7);
codes[77] = new HuffmanCode(0x68, 7);
codes[78] = new HuffmanCode(0x69, 7);
codes[79] = new HuffmanCode(0x6a, 7);
codes[80] = new HuffmanCode(0x6b, 7);
codes[81] = new HuffmanCode(0x6c, 7);
codes[82] = new HuffmanCode(0x6d, 7);
codes[83] = new HuffmanCode(0x6e, 7);
codes[84] = new HuffmanCode(0x6f, 7);
codes[85] = new HuffmanCode(0x70, 7);
codes[86] = new HuffmanCode(0x71, 7);
codes[87] = new HuffmanCode(0x72, 7);
codes[88] = new HuffmanCode(0xfc, 8);
codes[89] = new HuffmanCode(0x73, 7);
codes[90] = new HuffmanCode(0xfd, 8);
codes[91] = new HuffmanCode(0x1ffb, 13);
codes[92] = new HuffmanCode(0x7fff0, 19);
codes[93] = new HuffmanCode(0x1ffc, 13);
codes[94] = new HuffmanCode(0x3ffc, 14);
codes[95] = new HuffmanCode(0x22, 6);
codes[96] = new HuffmanCode(0x7ffd, 15);
codes[97] = new HuffmanCode(0x3, 5);
codes[98] = new HuffmanCode(0x23, 6);
codes[99] = new HuffmanCode(0x4, 5);
codes[100] = new HuffmanCode(0x24, 6);
codes[101] = new HuffmanCode(0x5, 5);
codes[102] = new HuffmanCode(0x25, 6);
codes[103] = new HuffmanCode(0x26, 6);
codes[104] = new HuffmanCode(0x27, 6);
codes[105] = new HuffmanCode(0x6, 5);
codes[106] = new HuffmanCode(0x74, 7);
codes[107] = new HuffmanCode(0x75, 7);
codes[108] = new HuffmanCode(0x28, 6);
codes[109] = new HuffmanCode(0x29, 6);
codes[110] = new HuffmanCode(0x2a, 6);
codes[111] = new HuffmanCode(0x7, 5);
codes[112] = new HuffmanCode(0x2b, 6);
codes[113] = new HuffmanCode(0x76, 7);
codes[114] = new HuffmanCode(0x2c, 6);
codes[115] = new HuffmanCode(0x8, 5);
codes[116] = new HuffmanCode(0x9, 5);
codes[117] = new HuffmanCode(0x2d, 6);
codes[118] = new HuffmanCode(0x77, 7);
codes[119] = new HuffmanCode(0x78, 7);
codes[120] = new HuffmanCode(0x79, 7);
codes[121] = new HuffmanCode(0x7a, 7);
codes[122] = new HuffmanCode(0x7b, 7);
codes[123] = new HuffmanCode(0x7ffe, 15);
codes[124] = new HuffmanCode(0x7fc, 11);
codes[125] = new HuffmanCode(0x3ffd, 14);
codes[126] = new HuffmanCode(0x1ffd, 13);
codes[127] = new HuffmanCode(0xffffffc, 28);
codes[128] = new HuffmanCode(0xfffe6, 20);
codes[129] = new HuffmanCode(0x3fffd2, 22);
codes[130] = new HuffmanCode(0xfffe7, 20);
codes[131] = new HuffmanCode(0xfffe8, 20);
codes[132] = new HuffmanCode(0x3fffd3, 22);
codes[133] = new HuffmanCode(0x3fffd4, 22);
codes[134] = new HuffmanCode(0x3fffd5, 22);
codes[135] = new HuffmanCode(0x7fffd9, 23);
codes[136] = new HuffmanCode(0x3fffd6, 22);
codes[137] = new HuffmanCode(0x7fffda, 23);
codes[138] = new HuffmanCode(0x7fffdb, 23);
codes[139] = new HuffmanCode(0x7fffdc, 23);
codes[140] = new HuffmanCode(0x7fffdd, 23);
codes[141] = new HuffmanCode(0x7fffde, 23);
codes[142] = new HuffmanCode(0xffffeb, 24);
codes[143] = new HuffmanCode(0x7fffdf, 23);
codes[144] = new HuffmanCode(0xffffec, 24);
codes[145] = new HuffmanCode(0xffffed, 24);
codes[146] = new HuffmanCode(0x3fffd7, 22);
codes[147] = new HuffmanCode(0x7fffe0, 23);
codes[148] = new HuffmanCode(0xffffee, 24);
codes[149] = new HuffmanCode(0x7fffe1, 23);
codes[150] = new HuffmanCode(0x7fffe2, 23);
codes[151] = new HuffmanCode(0x7fffe3, 23);
codes[152] = new HuffmanCode(0x7fffe4, 23);
codes[153] = new HuffmanCode(0x1fffdc, 21);
codes[154] = new HuffmanCode(0x3fffd8, 22);
codes[155] = new HuffmanCode(0x7fffe5, 23);
codes[156] = new HuffmanCode(0x3fffd9, 22);
codes[157] = new HuffmanCode(0x7fffe6, 23);
codes[158] = new HuffmanCode(0x7fffe7, 23);
codes[159] = new HuffmanCode(0xffffef, 24);
codes[160] = new HuffmanCode(0x3fffda, 22);
codes[161] = new HuffmanCode(0x1fffdd, 21);
codes[162] = new HuffmanCode(0xfffe9, 20);
codes[163] = new HuffmanCode(0x3fffdb, 22);
codes[164] = new HuffmanCode(0x3fffdc, 22);
codes[165] = new HuffmanCode(0x7fffe8, 23);
codes[166] = new HuffmanCode(0x7fffe9, 23);
codes[167] = new HuffmanCode(0x1fffde, 21);
codes[168] = new HuffmanCode(0x7fffea, 23);
codes[169] = new HuffmanCode(0x3fffdd, 22);
codes[170] = new HuffmanCode(0x3fffde, 22);
codes[171] = new HuffmanCode(0xfffff0, 24);
codes[172] = new HuffmanCode(0x1fffdf, 21);
codes[173] = new HuffmanCode(0x3fffdf, 22);
codes[174] = new HuffmanCode(0x7fffeb, 23);
codes[175] = new HuffmanCode(0x7fffec, 23);
codes[176] = new HuffmanCode(0x1fffe0, 21);
codes[177] = new HuffmanCode(0x1fffe1, 21);
codes[178] = new HuffmanCode(0x3fffe0, 22);
codes[179] = new HuffmanCode(0x1fffe2, 21);
codes[180] = new HuffmanCode(0x7fffed, 23);
codes[181] = new HuffmanCode(0x3fffe1, 22);
codes[182] = new HuffmanCode(0x7fffee, 23);
codes[183] = new HuffmanCode(0x7fffef, 23);
codes[184] = new HuffmanCode(0xfffea, 20);
codes[185] = new HuffmanCode(0x3fffe2, 22);
codes[186] = new HuffmanCode(0x3fffe3, 22);
codes[187] = new HuffmanCode(0x3fffe4, 22);
codes[188] = new HuffmanCode(0x7ffff0, 23);
codes[189] = new HuffmanCode(0x3fffe5, 22);
codes[190] = new HuffmanCode(0x3fffe6, 22);
codes[191] = new HuffmanCode(0x7ffff1, 23);
codes[192] = new HuffmanCode(0x3ffffe0, 26);
codes[193] = new HuffmanCode(0x3ffffe1, 26);
codes[194] = new HuffmanCode(0xfffeb, 20);
codes[195] = new HuffmanCode(0x7fff1, 19);
codes[196] = new HuffmanCode(0x3fffe7, 22);
codes[197] = new HuffmanCode(0x7ffff2, 23);
codes[198] = new HuffmanCode(0x3fffe8, 22);
codes[199] = new HuffmanCode(0x1ffffec, 25);
codes[200] = new HuffmanCode(0x3ffffe2, 26);
codes[201] = new HuffmanCode(0x3ffffe3, 26);
codes[202] = new HuffmanCode(0x3ffffe4, 26);
codes[203] = new HuffmanCode(0x7ffffde, 27);
codes[204] = new HuffmanCode(0x7ffffdf, 27);
codes[205] = new HuffmanCode(0x3ffffe5, 26);
codes[206] = new HuffmanCode(0xfffff1, 24);
codes[207] = new HuffmanCode(0x1ffffed, 25);
codes[208] = new HuffmanCode(0x7fff2, 19);
codes[209] = new HuffmanCode(0x1fffe3, 21);
codes[210] = new HuffmanCode(0x3ffffe6, 26);
codes[211] = new HuffmanCode(0x7ffffe0, 27);
codes[212] = new HuffmanCode(0x7ffffe1, 27);
codes[213] = new HuffmanCode(0x3ffffe7, 26);
codes[214] = new HuffmanCode(0x7ffffe2, 27);
codes[215] = new HuffmanCode(0xfffff2, 24);
codes[216] = new HuffmanCode(0x1fffe4, 21);
codes[217] = new HuffmanCode(0x1fffe5, 21);
codes[218] = new HuffmanCode(0x3ffffe8, 26);
codes[219] = new HuffmanCode(0x3ffffe9, 26);
codes[220] = new HuffmanCode(0xffffffd, 28);
codes[221] = new HuffmanCode(0x7ffffe3, 27);
codes[222] = new HuffmanCode(0x7ffffe4, 27);
codes[223] = new HuffmanCode(0x7ffffe5, 27);
codes[224] = new HuffmanCode(0xfffec, 20);
codes[225] = new HuffmanCode(0xfffff3, 24);
codes[226] = new HuffmanCode(0xfffed, 20);
codes[227] = new HuffmanCode(0x1fffe6, 21);
codes[228] = new HuffmanCode(0x3fffe9, 22);
codes[229] = new HuffmanCode(0x1fffe7, 21);
codes[230] = new HuffmanCode(0x1fffe8, 21);
codes[231] = new HuffmanCode(0x7ffff3, 23);
codes[232] = new HuffmanCode(0x3fffea, 22);
codes[233] = new HuffmanCode(0x3fffeb, 22);
codes[234] = new HuffmanCode(0x1ffffee, 25);
codes[235] = new HuffmanCode(0x1ffffef, 25);
codes[236] = new HuffmanCode(0xfffff4, 24);
codes[237] = new HuffmanCode(0xfffff5, 24);
codes[238] = new HuffmanCode(0x3ffffea, 26);
codes[239] = new HuffmanCode(0x7ffff4, 23);
codes[240] = new HuffmanCode(0x3ffffeb, 26);
codes[241] = new HuffmanCode(0x7ffffe6, 27);
codes[242] = new HuffmanCode(0x3ffffec, 26);
codes[243] = new HuffmanCode(0x3ffffed, 26);
codes[244] = new HuffmanCode(0x7ffffe7, 27);
codes[245] = new HuffmanCode(0x7ffffe8, 27);
codes[246] = new HuffmanCode(0x7ffffe9, 27);
codes[247] = new HuffmanCode(0x7ffffea, 27);
codes[248] = new HuffmanCode(0x7ffffeb, 27);
codes[249] = new HuffmanCode(0xffffffe, 28);
codes[250] = new HuffmanCode(0x7ffffec, 27);
codes[251] = new HuffmanCode(0x7ffffed, 27);
codes[252] = new HuffmanCode(0x7ffffee, 27);
codes[253] = new HuffmanCode(0x7ffffef, 27);
codes[254] = new HuffmanCode(0x7fffff0, 27);
codes[255] = new HuffmanCode(0x3ffffee, 26);
codes[256] = new HuffmanCode(0x3fffffff, 30);
HUFFMAN_CODES = codes;
//lengths determined by experimentation, just set it to something large then see how large it actually ends up
int[] codingTree = new int[256];
//the current position in the tree
int pos = 0;
int allocated = 1; //the next position to allocate to
//map of the current state at a given position
//only used while building the tree
HuffmanCode[] currentCode = new HuffmanCode[256];
currentCode[0] = new HuffmanCode(0, 0);
final Set<HuffmanCode> allCodes = new HashSet<>();
allCodes.addAll(Arrays.asList(HUFFMAN_CODES));
while (!allCodes.isEmpty()) {
int length = currentCode[pos].length;
int code = currentCode[pos].value;
int newLength = length + 1;
HuffmanCode high = new HuffmanCode(code << 1 | 1, newLength);
HuffmanCode low = new HuffmanCode(code << 1, newLength);
int newVal = 0;
boolean highTerminal = allCodes.remove(high);
if (highTerminal) {
//bah, linear search
int i = 0;
for (i = 0; i < codes.length; ++i) {
if (codes[i].equals(high)) {
break;
}
}
newVal = LOW_TERMINAL_BIT | i;
} else {
int highPos = allocated++;
currentCode[highPos] = high;
newVal = highPos;
}
newVal <<= 16;
boolean lowTerminal = allCodes.remove(low);
if (lowTerminal) {
//bah, linear search
int i = 0;
for (i = 0; i < codes.length; ++i) {
if (codes[i].equals(low)) {
break;
}
}
newVal |= LOW_TERMINAL_BIT | i;
} else {
int lowPos = allocated++;
currentCode[lowPos] = low;
newVal |= lowPos;
}
codingTree[pos] = newVal;
pos++;
}
DECODING_TABLE = codingTree;
}
/**
* Decodes a huffman encoded string into the target StringBuilder. There
* must be enough space left in the buffer for this method to succeed.
*
* @param data The byte buffer
* @param length The length of data from the buffer to decode
* @param target The target for the decompressed data
*
* @throws HpackException If the Huffman encoded value in HPACK headers did
* not end with EOS padding
*/
public static void decode(ByteBuffer data, int length, StringBuilder target)
throws HpackException {
assert data.remaining() >= length;
int treePos = 0;
boolean eosBits = true;
int eosBitCount = 0;
for (int i = 0; i < length; ++i) {
byte b = data.get();
int bitPos = 7;
while (bitPos >= 0) {
int val = DECODING_TABLE[treePos];
if (((1 << bitPos) & b) == 0) {
//bit not set, we want the lower part of the tree
if ((val & LOW_TERMINAL_BIT) == 0) {
treePos = val & LOW_MASK;
eosBits = false;
eosBitCount = 0;
} else {
target.append((char) (val & LOW_MASK));
treePos = 0;
eosBits = true;
}
} else {
if (eosBits) {
eosBitCount++;
}
//bit not set, we want the lower part of the tree
if ((val & HIGH_TERMINAL_BIT) == 0) {
treePos = (val >> 16) & LOW_MASK;
} else {
if (eosBitCount != 0) {
// This must be the EOS symbol which MUST be treated
// as an error
throw new HpackException(sm.getString("hpackhuffman.stringLiteralEOS"));
}
target.append((char) ((val >> 16) & LOW_MASK));
treePos = 0;
eosBits = true;
}
}
bitPos--;
}
}
if (eosBitCount > 7) {
throw new HpackException(sm.getString(
"hpackhuffman.stringLiteralTooMuchPadding"));
}
if (!eosBits) {
throw new HpackException(sm.getString(
"hpackhuffman.huffmanEncodedHpackValueDidNotEndWithEOS"));
}
}
/**
* Encodes the given string into the buffer. If there is not enough space in
* the buffer, or the encoded version is bigger than the original it will
* return false and not modify the buffers position.
*
* @param buffer The buffer to encode into
* @param toEncode The string to encode
* @param forceLowercase If the string should be encoded in lower case
* @return true if encoding succeeded
*/
public static boolean encode(ByteBuffer buffer, String toEncode, boolean forceLowercase) {
if (buffer.remaining() <= toEncode.length()) {
return false;
}
int start = buffer.position();
//this sucks, but we need to put the length first
//and we don't really have any option but to calculate it in advance to make sure we have left enough room
//so we end up iterating twice
int length = 0;
for (int i = 0; i < toEncode.length(); ++i) {
char c = toEncode.charAt(i);
if (c > 255) {
throw new IllegalArgumentException(sm.getString("hpack.invalidCharacter",
Character.toString(c), Integer.valueOf(c)));
}
if(forceLowercase) {
c = Hpack.toLower(c);
}
HuffmanCode code = HUFFMAN_CODES[c];
length += code.length;
}
int byteLength = length / 8 + (length % 8 == 0 ? 0 : 1);
buffer.put((byte) (1 << 7));
Hpack.encodeInteger(buffer, byteLength, 7);
int bytePos = 0;
byte currentBufferByte = 0;
for (int i = 0; i < toEncode.length(); ++i) {
char c = toEncode.charAt(i);
if(forceLowercase) {
c = Hpack.toLower(c);
}
HuffmanCode code = HUFFMAN_CODES[c];
if (code.length + bytePos <= 8) {
//it fits in the current byte
currentBufferByte |= ((code.value & 0xFF) << 8 - (code.length + bytePos));
bytePos += code.length;
} else {
//it does not fit, it may need up to 4 bytes
int val = code.value;
int rem = code.length;
while (rem > 0) {
if (!buffer.hasRemaining()) {
buffer.position(start);
return false;
}
int remainingInByte = 8 - bytePos;
if (rem > remainingInByte) {
currentBufferByte |= (val >> (rem - remainingInByte));
} else {
currentBufferByte |= (val << (remainingInByte - rem));
}
if (rem > remainingInByte) {
buffer.put(currentBufferByte);
currentBufferByte = 0;
bytePos = 0;
} else {
bytePos = rem;
}
rem -= remainingInByte;
}
}
if (bytePos == 8) {
if (!buffer.hasRemaining()) {
buffer.position(start);
return false;
}
buffer.put(currentBufferByte);
currentBufferByte = 0;
bytePos = 0;
}
if (buffer.position() - start > toEncode.length()) {
//the encoded version is longer than the original
//just return false
buffer.position(start);
return false;
}
}
if (bytePos > 0) {
//add the EOS bytes if we have not finished on a single byte
if (!buffer.hasRemaining()) {
buffer.position(start);
return false;
}
buffer.put((byte) (currentBufferByte | ((0xFF) >> bytePos)));
}
return true;
}
protected static class HuffmanCode {
/**
* The value of the least significant bits of the code
*/
int value;
/**
* length of the code, in bits
*/
int length;
public HuffmanCode(int value, int length) {
this.value = value;
this.length = length;
}
public int getValue() {
return value;
}
public int getLength() {
return length;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
HuffmanCode that = (HuffmanCode) o;
if (length != that.length) return false;
if (value != that.value) return false;
return true;
}
@Override
public int hashCode() {
int result = value;
result = 31 * result + length;
return result;
}
@Override
public String toString() {
return "HuffmanCode{" +
"value=" + value +
", length=" + length +
'}';
}
}
}

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java/org/apache/coyote/http2/HeaderSink.java Normal file
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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.coyote.http2;
import org.apache.coyote.http2.HpackDecoder.HeaderEmitter;
/**
* Purpose of this class is to silently swallow any headers. It is used once
* the connection close process has started if headers for new streams are
* received.
*/
public class HeaderSink implements HeaderEmitter {
@Override
public void emitHeader(String name, String value) {
// NO-OP
}
@Override
public void validateHeaders() throws StreamException {
// NO-OP
}
@Override
public void setHeaderException(StreamException streamException) {
// NO-OP
// The connection is already closing so no need to process additional
// errors
}
}

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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.coyote.http2;
import java.nio.ByteBuffer;
import org.apache.tomcat.util.res.StringManager;
final class Hpack {
private static final StringManager sm = StringManager.getManager(Hpack.class);
private static final byte LOWER_DIFF = 'a' - 'A';
static final int DEFAULT_TABLE_SIZE = 4096;
private static final int MAX_INTEGER_OCTETS = 8; //not sure what a good value for this is, but the spec says we need to provide an upper bound
/**
* table that contains powers of two,
* used as both bitmask and to quickly calculate 2^n
*/
private static final int[] PREFIX_TABLE;
static final HeaderField[] STATIC_TABLE;
static final int STATIC_TABLE_LENGTH;
static {
PREFIX_TABLE = new int[32];
for (int i = 0; i < 32; ++i) {
int n = 0;
for (int j = 0; j < i; ++j) {
n = n << 1;
n |= 1;
}
PREFIX_TABLE[i] = n;
}
HeaderField[] fields = new HeaderField[62];
//note that zero is not used
fields[1] = new HeaderField(":authority", null);
fields[2] = new HeaderField(":method", "GET");
fields[3] = new HeaderField(":method", "POST");
fields[4] = new HeaderField(":path", "/");
fields[5] = new HeaderField(":path", "/index.html");
fields[6] = new HeaderField(":scheme", "http");
fields[7] = new HeaderField(":scheme", "https");
fields[8] = new HeaderField(":status", "200");
fields[9] = new HeaderField(":status", "204");
fields[10] = new HeaderField(":status", "206");
fields[11] = new HeaderField(":status", "304");
fields[12] = new HeaderField(":status", "400");
fields[13] = new HeaderField(":status", "404");
fields[14] = new HeaderField(":status", "500");
fields[15] = new HeaderField("accept-charset", null);
fields[16] = new HeaderField("accept-encoding", "gzip, deflate");
fields[17] = new HeaderField("accept-language", null);
fields[18] = new HeaderField("accept-ranges", null);
fields[19] = new HeaderField("accept", null);
fields[20] = new HeaderField("access-control-allow-origin", null);
fields[21] = new HeaderField("age", null);
fields[22] = new HeaderField("allow", null);
fields[23] = new HeaderField("authorization", null);
fields[24] = new HeaderField("cache-control", null);
fields[25] = new HeaderField("content-disposition", null);
fields[26] = new HeaderField("content-encoding", null);
fields[27] = new HeaderField("content-language", null);
fields[28] = new HeaderField("content-length", null);
fields[29] = new HeaderField("content-location", null);
fields[30] = new HeaderField("content-range", null);
fields[31] = new HeaderField("content-type", null);
fields[32] = new HeaderField("cookie", null);
fields[33] = new HeaderField("date", null);
fields[34] = new HeaderField("etag", null);
fields[35] = new HeaderField("expect", null);
fields[36] = new HeaderField("expires", null);
fields[37] = new HeaderField("from", null);
fields[38] = new HeaderField("host", null);
fields[39] = new HeaderField("if-match", null);
fields[40] = new HeaderField("if-modified-since", null);
fields[41] = new HeaderField("if-none-match", null);
fields[42] = new HeaderField("if-range", null);
fields[43] = new HeaderField("if-unmodified-since", null);
fields[44] = new HeaderField("last-modified", null);
fields[45] = new HeaderField("link", null);
fields[46] = new HeaderField("location", null);
fields[47] = new HeaderField("max-forwards", null);
fields[48] = new HeaderField("proxy-authenticate", null);
fields[49] = new HeaderField("proxy-authorization", null);
fields[50] = new HeaderField("range", null);
fields[51] = new HeaderField("referer", null);
fields[52] = new HeaderField("refresh", null);
fields[53] = new HeaderField("retry-after", null);
fields[54] = new HeaderField("server", null);
fields[55] = new HeaderField("set-cookie", null);
fields[56] = new HeaderField("strict-transport-security", null);
fields[57] = new HeaderField("transfer-encoding", null);
fields[58] = new HeaderField("user-agent", null);
fields[59] = new HeaderField("vary", null);
fields[60] = new HeaderField("via", null);
fields[61] = new HeaderField("www-authenticate", null);
STATIC_TABLE = fields;
STATIC_TABLE_LENGTH = STATIC_TABLE.length - 1;
}
static class HeaderField {
final String name;
final String value;
final int size;
HeaderField(String name, String value) {
this.name = name;
this.value = value;
if (value != null) {
this.size = 32 + name.length() + value.length();
} else {
this.size = -1;
}
}
}
/**
* Decodes an integer in the HPACK prefix format. If the return value is -1
* it means that there was not enough data in the buffer to complete the decoding
* sequence.
* <p/>
* If this method returns -1 then the source buffer will not have been modified.
*
* @param source The buffer that contains the integer
* @param n The encoding prefix length
* @return The encoded integer, or -1 if there was not enough data
*/
static int decodeInteger(ByteBuffer source, int n) throws HpackException {
if (source.remaining() == 0) {
return -1;
}
int count = 1;
int sp = source.position();
int mask = PREFIX_TABLE[n];
int i = mask & source.get();
int b;
if (i < PREFIX_TABLE[n]) {
return i;
} else {
int m = 0;
do {
if(count++ > MAX_INTEGER_OCTETS) {
throw new HpackException(sm.getString("hpack.integerEncodedOverTooManyOctets",
Integer.valueOf(MAX_INTEGER_OCTETS)));
}
if (source.remaining() == 0) {
//we have run out of data
//reset
source.position(sp);
return -1;
}
b = source.get();
i = i + (b & 127) * (PREFIX_TABLE[m] + 1);
m += 7;
} while ((b & 128) == 128);
}
return i;
}
/**
* Encodes an integer in the HPACK prefix format.
* <p/>
* This method assumes that the buffer has already had the first 8-n bits filled.
* As such it will modify the last byte that is already present in the buffer, and
* potentially add more if required
*
* @param source The buffer that contains the integer
* @param value The integer to encode
* @param n The encoding prefix length
*/
static void encodeInteger(ByteBuffer source, int value, int n) {
int twoNminus1 = PREFIX_TABLE[n];
int pos = source.position() - 1;
if (value < twoNminus1) {
source.put(pos, (byte) (source.get(pos) | value));
} else {
source.put(pos, (byte) (source.get(pos) | twoNminus1));
value = value - twoNminus1;
while (value >= 128) {
source.put((byte) (value % 128 + 128));
value = value / 128;
}
source.put((byte) value);
}
}
static char toLower(char c) {
if (c >= 'A' && c <= 'Z') {
return (char) (c + LOWER_DIFF);
}
return c;
}
private Hpack() {}
}

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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.coyote.http2;
import java.nio.ByteBuffer;
import org.apache.tomcat.util.res.StringManager;
/**
* A decoder for HPACK.
*/
public class HpackDecoder {
protected static final StringManager sm = StringManager.getManager(HpackDecoder.class);
private static final int DEFAULT_RING_BUFFER_SIZE = 10;
/**
* The object that receives the headers that are emitted from this decoder
*/
private HeaderEmitter headerEmitter;
/**
* The header table
*/
private Hpack.HeaderField[] headerTable;
/**
* The current HEAD position of the header table. We use a ring buffer type
* construct as it would be silly to actually shuffle the items around in the
* array.
*/
private int firstSlotPosition = 0;
/**
* The current table size by index (aka the number of index positions that are filled up)
*/
private int filledTableSlots = 0;
/**
* the current calculates memory size, as per the HPACK algorithm
*/
private int currentMemorySize = 0;
/**
* The maximum allowed memory size set by the container.
*/
private int maxMemorySizeHard;
/**
* The maximum memory size currently in use. May be less than the hard limit.
*/
private int maxMemorySizeSoft;
private int maxHeaderCount = Constants.DEFAULT_MAX_HEADER_COUNT;
private int maxHeaderSize = Constants.DEFAULT_MAX_HEADER_SIZE;
private volatile int headerCount = 0;
private volatile boolean countedCookie;
private volatile int headerSize = 0;
private final StringBuilder stringBuilder = new StringBuilder();
public HpackDecoder(int maxMemorySize) {
this.maxMemorySizeHard = maxMemorySize;
this.maxMemorySizeSoft = maxMemorySize;
headerTable = new Hpack.HeaderField[DEFAULT_RING_BUFFER_SIZE];
}
public HpackDecoder() {
this(Hpack.DEFAULT_TABLE_SIZE);
}
/**
* Decodes the provided frame data. If this method leaves data in the buffer
* then this buffer should be compacted so this data is preserved, unless
* there is no more data in which case this should be considered a protocol error.
*
* @param buffer The buffer
*
* @throws HpackException If the packed data is not valid
*/
public void decode(ByteBuffer buffer) throws HpackException {
while (buffer.hasRemaining()) {
int originalPos = buffer.position();
byte b = buffer.get();
if ((b & 0b10000000) != 0) {
//if the first bit is set it is an indexed header field
buffer.position(buffer.position() - 1); //unget the byte
int index = Hpack.decodeInteger(buffer, 7); //prefix is 7
if (index == -1) {
buffer.position(originalPos);
return;
} else if(index == 0) {
throw new HpackException(
sm.getString("hpackdecoder.zeroNotValidHeaderTableIndex"));
}
handleIndex(index);
} else if ((b & 0b01000000) != 0) {
//Literal Header Field with Incremental Indexing
String headerName = readHeaderName(buffer, 6);
if (headerName == null) {
buffer.position(originalPos);
return;
}
String headerValue = readHpackString(buffer);
if (headerValue == null) {
buffer.position(originalPos);
return;
}
emitHeader(headerName, headerValue);
addEntryToHeaderTable(new Hpack.HeaderField(headerName, headerValue));
} else if ((b & 0b11110000) == 0) {
//Literal Header Field without Indexing
String headerName = readHeaderName(buffer, 4);
if (headerName == null) {
buffer.position(originalPos);
return;
}
String headerValue = readHpackString(buffer);
if (headerValue == null) {
buffer.position(originalPos);
return;
}
emitHeader(headerName, headerValue);
} else if ((b & 0b11110000) == 0b00010000) {
//Literal Header Field never indexed
String headerName = readHeaderName(buffer, 4);
if (headerName == null) {
buffer.position(originalPos);
return;
}
String headerValue = readHpackString(buffer);
if (headerValue == null) {
buffer.position(originalPos);
return;
}
emitHeader(headerName, headerValue);
} else if ((b & 0b11100000) == 0b00100000) {
//context update max table size change
if (!handleMaxMemorySizeChange(buffer, originalPos)) {
return;
}
} else {
throw new RuntimeException(sm.getString("hpackdecoder.notImplemented"));
}
}
}
private boolean handleMaxMemorySizeChange(ByteBuffer buffer, int originalPos) throws HpackException {
if (headerCount != 0) {
throw new HpackException(sm.getString("hpackdecoder.tableSizeUpdateNotAtStart"));
}
buffer.position(buffer.position() - 1); //unget the byte
int size = Hpack.decodeInteger(buffer, 5);
if (size == -1) {
buffer.position(originalPos);
return false;
}
if (size > maxMemorySizeHard) {
throw new HpackException(sm.getString("hpackdecoder.maxMemorySizeExceeded",
Integer.valueOf(size), Integer.valueOf(maxMemorySizeHard)));
}
maxMemorySizeSoft = size;
if (currentMemorySize > maxMemorySizeSoft) {
int newTableSlots = filledTableSlots;
int tableLength = headerTable.length;
int newSize = currentMemorySize;
while (newSize > maxMemorySizeSoft) {
int clearIndex = firstSlotPosition;
firstSlotPosition++;
if (firstSlotPosition == tableLength) {
firstSlotPosition = 0;
}
Hpack.HeaderField oldData = headerTable[clearIndex];
headerTable[clearIndex] = null;
newSize -= oldData.size;
newTableSlots--;
}
this.filledTableSlots = newTableSlots;
currentMemorySize = newSize;
}
return true;
}
private String readHeaderName(ByteBuffer buffer, int prefixLength) throws HpackException {
buffer.position(buffer.position() - 1); //unget the byte
int index = Hpack.decodeInteger(buffer, prefixLength);
if (index == -1) {
return null;
} else if (index != 0) {
return handleIndexedHeaderName(index);
} else {
return readHpackString(buffer);
}
}
private String readHpackString(ByteBuffer buffer) throws HpackException {
if (!buffer.hasRemaining()) {
return null;
}
byte data = buffer.get(buffer.position());
int length = Hpack.decodeInteger(buffer, 7);
if (buffer.remaining() < length) {
return null;
}
boolean huffman = (data & 0b10000000) != 0;
if (huffman) {
return readHuffmanString(length, buffer);
}
for (int i = 0; i < length; ++i) {
stringBuilder.append((char) buffer.get());
}
String ret = stringBuilder.toString();
stringBuilder.setLength(0);
return ret;
}
private String readHuffmanString(int length, ByteBuffer buffer) throws HpackException {
HPackHuffman.decode(buffer, length, stringBuilder);
String ret = stringBuilder.toString();
stringBuilder.setLength(0);
return ret;
}
private String handleIndexedHeaderName(int index) throws HpackException {
if (index <= Hpack.STATIC_TABLE_LENGTH) {
return Hpack.STATIC_TABLE[index].name;
} else {
// index is 1 based
if (index > Hpack.STATIC_TABLE_LENGTH + filledTableSlots) {
throw new HpackException(sm.getString("hpackdecoder.headerTableIndexInvalid",
Integer.valueOf(index), Integer.valueOf(Hpack.STATIC_TABLE_LENGTH),
Integer.valueOf(filledTableSlots)));
}
int adjustedIndex = getRealIndex(index - Hpack.STATIC_TABLE_LENGTH);
Hpack.HeaderField res = headerTable[adjustedIndex];
if (res == null) {
throw new HpackException(sm.getString("hpackdecoder.nullHeader", Integer.valueOf(index)));
}
return res.name;
}
}
/**
* Handle an indexed header representation
*
* @param index The index
* @throws HpackException
*/
private void handleIndex(int index) throws HpackException {
if (index <= Hpack.STATIC_TABLE_LENGTH) {
addStaticTableEntry(index);
} else {
int adjustedIndex = getRealIndex(index - Hpack.STATIC_TABLE_LENGTH);
Hpack.HeaderField headerField = headerTable[adjustedIndex];
emitHeader(headerField.name, headerField.value);
}
}
/**
* because we use a ring buffer type construct, and don't actually shuffle
* items in the array, we need to figure out the real index to use.
* <p/>
* package private for unit tests
*
* @param index The index from the hpack
* @return the real index into the array
*/
int getRealIndex(int index) throws HpackException {
//the index is one based, but our table is zero based, hence -1
//also because of our ring buffer setup the indexes are reversed
//index = 1 is at position firstSlotPosition + filledSlots
int realIndex = (firstSlotPosition + (filledTableSlots - index)) % headerTable.length;
if (realIndex < 0) {
throw new HpackException(sm.getString("hpackdecoder.headerTableIndexInvalid",
Integer.valueOf(index), Integer.valueOf(Hpack.STATIC_TABLE_LENGTH),
Integer.valueOf(filledTableSlots)));
}
return realIndex;
}
private void addStaticTableEntry(int index) throws HpackException {
//adds an entry from the static table.
Hpack.HeaderField entry = Hpack.STATIC_TABLE[index];
emitHeader(entry.name, (entry.value == null) ? "" : entry.value);
}
private void addEntryToHeaderTable(Hpack.HeaderField entry) {
if (entry.size > maxMemorySizeSoft) {
//it is to big to fit, so we just completely clear the table.
while (filledTableSlots > 0) {
headerTable[firstSlotPosition] = null;
firstSlotPosition++;
if (firstSlotPosition == headerTable.length) {
firstSlotPosition = 0;
}
filledTableSlots--;
}
currentMemorySize = 0;
return;
}
resizeIfRequired();
int newTableSlots = filledTableSlots + 1;
int tableLength = headerTable.length;
int index = (firstSlotPosition + filledTableSlots) % tableLength;
headerTable[index] = entry;
int newSize = currentMemorySize + entry.size;
while (newSize > maxMemorySizeSoft) {
int clearIndex = firstSlotPosition;
firstSlotPosition++;
if (firstSlotPosition == tableLength) {
firstSlotPosition = 0;
}
Hpack.HeaderField oldData = headerTable[clearIndex];
headerTable[clearIndex] = null;
newSize -= oldData.size;
newTableSlots--;
}
this.filledTableSlots = newTableSlots;
currentMemorySize = newSize;
}
private void resizeIfRequired() {
if(filledTableSlots == headerTable.length) {
Hpack.HeaderField[] newArray = new Hpack.HeaderField[headerTable.length + 10]; //we only grow slowly
for(int i = 0; i < headerTable.length; ++i) {
newArray[i] = headerTable[(firstSlotPosition + i) % headerTable.length];
}
firstSlotPosition = 0;
headerTable = newArray;
}
}
/**
* Interface implemented by the intended recipient of the headers.
*/
interface HeaderEmitter {
/**
* Pass a single header to the recipient.
*
* @param name Header name
* @param value Header value
* @throws HpackException If a header is received that is not compliant
* with the HTTP/2 specification
*/
void emitHeader(String name, String value) throws HpackException;
/**
* Inform the recipient of the headers that a stream error needs to be
* triggered using the given message when {@link #validateHeaders()} is
* called. This is used when the Parser becomes aware of an error that
* is not visible to the recipient.
*
* @param streamException The exception to use when resetting the stream
*/
void setHeaderException(StreamException streamException);
/**
* Are the headers pass to the recipient so far valid? The decoder needs
* to process all the headers to maintain state even if there is a
* problem. In addition, it is easy for the the intended recipient to
* track if the complete set of headers is valid since to do that state
* needs to be maintained between the parsing of the initial headers and
* the parsing of any trailer headers. The recipient is the best place
* to maintain that state.
*
* @throws StreamException If the headers received to date are not valid
*/
void validateHeaders() throws StreamException;
}
public HeaderEmitter getHeaderEmitter() {
return headerEmitter;
}
void setHeaderEmitter(HeaderEmitter headerEmitter) {
this.headerEmitter = headerEmitter;
// Reset limit tracking
headerCount = 0;
countedCookie = false;
headerSize = 0;
}
void setMaxHeaderCount(int maxHeaderCount) {
this.maxHeaderCount = maxHeaderCount;
}
void setMaxHeaderSize(int maxHeaderSize) {
this.maxHeaderSize = maxHeaderSize;
}
private void emitHeader(String name, String value) throws HpackException {
// Header names are forced to lower case
if ("cookie".equals(name)) {
// Only count the cookie header once since HTTP/2 splits it into
// multiple headers to aid compression
if (!countedCookie) {
headerCount ++;
countedCookie = true;
}
} else {
headerCount ++;
}
// Overhead will vary. The main concern is that lots of small headers
// trigger the limiting mechanism correctly. Therefore, use an overhead
// estimate of 3 which is the worst case for small headers.
int inc = 3 + name.length() + value.length();
headerSize += inc;
if (!isHeaderCountExceeded() && !isHeaderSizeExceeded(0)) {
headerEmitter.emitHeader(name, value);
}
}
boolean isHeaderCountExceeded() {
if (maxHeaderCount < 0) {
return false;
}
return headerCount > maxHeaderCount;
}
boolean isHeaderSizeExceeded(int unreadSize) {
if (maxHeaderSize < 0) {
return false;
}
return (headerSize + unreadSize) > maxHeaderSize;
}
boolean isHeaderSwallowSizeExceeded(int unreadSize) {
if (maxHeaderSize < 0) {
return false;
}
// Swallow the same again before closing the connection.
return (headerSize + unreadSize) > (2 * maxHeaderSize);
}
//package private fields for unit tests
int getFirstSlotPosition() {
return firstSlotPosition;
}
Hpack.HeaderField[] getHeaderTable() {
return headerTable;
}
int getFilledTableSlots() {
return filledTableSlots;
}
int getCurrentMemorySize() {
return currentMemorySize;
}
int getMaxMemorySizeSoft() {
return maxMemorySizeSoft;
}
}

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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.coyote.http2;
import java.nio.ByteBuffer;
import java.util.ArrayDeque;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Deque;
import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import org.apache.juli.logging.Log;
import org.apache.juli.logging.LogFactory;
import org.apache.tomcat.util.http.MimeHeaders;
import org.apache.tomcat.util.res.StringManager;
/**
* Encoder for HPACK frames.
*/
public class HpackEncoder {
private static final Log log = LogFactory.getLog(HpackEncoder.class);
private static final StringManager sm = StringManager.getManager(HpackEncoder.class);
public static final HpackHeaderFunction DEFAULT_HEADER_FUNCTION = new HpackHeaderFunction() {
@Override
public boolean shouldUseIndexing(String headerName, String value) {
//content length and date change all the time
//no need to index them, or they will churn the table
return !headerName.equals("content-length") && !headerName.equals("date");
}
@Override
public boolean shouldUseHuffman(String header, String value) {
return value.length() > 5; //TODO: figure out a good value for this
}
@Override
public boolean shouldUseHuffman(String header) {
return header.length() > 5; //TODO: figure out a good value for this
}
};
private int headersIterator = -1;
private boolean firstPass = true;
private MimeHeaders currentHeaders;
private int entryPositionCounter;
private int newMaxHeaderSize = -1; //if the max header size has been changed
private int minNewMaxHeaderSize = -1; //records the smallest value of newMaxHeaderSize, as per section 4.1
private static final Map<String, TableEntry[]> ENCODING_STATIC_TABLE;
private final Deque<TableEntry> evictionQueue = new ArrayDeque<>();
private final Map<String, List<TableEntry>> dynamicTable = new HashMap<>(); //TODO: use a custom data structure to reduce allocations
static {
Map<String, TableEntry[]> map = new HashMap<>();
for (int i = 1; i < Hpack.STATIC_TABLE.length; ++i) {
Hpack.HeaderField m = Hpack.STATIC_TABLE[i];
TableEntry[] existing = map.get(m.name);
if (existing == null) {
map.put(m.name, new TableEntry[]{new TableEntry(m.name, m.value, i)});
} else {
TableEntry[] newEntry = new TableEntry[existing.length + 1];
System.arraycopy(existing, 0, newEntry, 0, existing.length);
newEntry[existing.length] = new TableEntry(m.name, m.value, i);
map.put(m.name, newEntry);
}
}
ENCODING_STATIC_TABLE = Collections.unmodifiableMap(map);
}
/**
* The maximum table size
*/
private int maxTableSize = Hpack.DEFAULT_TABLE_SIZE;
/**
* The current table size
*/
private int currentTableSize;
private final HpackHeaderFunction hpackHeaderFunction;
HpackEncoder() {
this.hpackHeaderFunction = DEFAULT_HEADER_FUNCTION;
}
/**
* Encodes the headers into a buffer.
*
* @param headers The headers to encode
* @param target The buffer to which to write the encoded headers
*
* @return The state of the encoding process
*/
public State encode(MimeHeaders headers, ByteBuffer target) {
int it = headersIterator;
if (headersIterator == -1) {
handleTableSizeChange(target);
//new headers map
it = 0;
currentHeaders = headers;
} else {
if (headers != currentHeaders) {
throw new IllegalStateException();
}
}
while (it < currentHeaders.size()) {
// FIXME: Review lowercase policy
String headerName = headers.getName(it).toString().toLowerCase(Locale.US);
boolean skip = false;
if (firstPass) {
if (headerName.charAt(0) != ':') {
skip = true;
}
} else {
if (headerName.charAt(0) == ':') {
skip = true;
}
}
if (!skip) {
String val = headers.getValue(it).toString();
if (log.isDebugEnabled()) {
log.debug(sm.getString("hpackEncoder.encodeHeader", headerName, val));
}
TableEntry tableEntry = findInTable(headerName, val);
// We use 11 to make sure we have enough room for the
// variable length integers
int required = 11 + headerName.length() + 1 + val.length();
if (target.remaining() < required) {
this.headersIterator = it;
return State.UNDERFLOW;
}
// Only index if it will fit
boolean canIndex = hpackHeaderFunction.shouldUseIndexing(headerName, val) &&
(headerName.length() + val.length() + 32) < maxTableSize;
if (tableEntry == null && canIndex) {
//add the entry to the dynamic table
target.put((byte) (1 << 6));
writeHuffmanEncodableName(target, headerName);
writeHuffmanEncodableValue(target, headerName, val);
addToDynamicTable(headerName, val);
} else if (tableEntry == null) {
//literal never indexed
target.put((byte) (1 << 4));
writeHuffmanEncodableName(target, headerName);
writeHuffmanEncodableValue(target, headerName, val);
} else {
//so we know something is already in the table
if (val.equals(tableEntry.value)) {
//the whole thing is in the table
target.put((byte) (1 << 7));
Hpack.encodeInteger(target, tableEntry.getPosition(), 7);
} else {
if (canIndex) {
//add the entry to the dynamic table
target.put((byte) (1 << 6));
Hpack.encodeInteger(target, tableEntry.getPosition(), 6);
writeHuffmanEncodableValue(target, headerName, val);
addToDynamicTable(headerName, val);
} else {
target.put((byte) (1 << 4));
Hpack.encodeInteger(target, tableEntry.getPosition(), 4);
writeHuffmanEncodableValue(target, headerName, val);
}
}
}
}
if (++it == currentHeaders.size() && firstPass) {
firstPass = false;
it = 0;
}
}
headersIterator = -1;
firstPass = true;
return State.COMPLETE;
}
private void writeHuffmanEncodableName(ByteBuffer target, String headerName) {
if (hpackHeaderFunction.shouldUseHuffman(headerName)) {
if(HPackHuffman.encode(target, headerName, true)) {
return;
}
}
target.put((byte) 0); //to use encodeInteger we need to place the first byte in the buffer.
Hpack.encodeInteger(target, headerName.length(), 7);
for (int j = 0; j < headerName.length(); ++j) {
target.put((byte) Hpack.toLower(headerName.charAt(j)));
}
}
private void writeHuffmanEncodableValue(ByteBuffer target, String headerName, String val) {
if (hpackHeaderFunction.shouldUseHuffman(headerName, val)) {
if (!HPackHuffman.encode(target, val, false)) {
writeValueString(target, val);
}
} else {
writeValueString(target, val);
}
}
private void writeValueString(ByteBuffer target, String val) {
target.put((byte) 0); //to use encodeInteger we need to place the first byte in the buffer.
Hpack.encodeInteger(target, val.length(), 7);
for (int j = 0; j < val.length(); ++j) {
target.put((byte) val.charAt(j));
}
}
private void addToDynamicTable(String headerName, String val) {
int pos = entryPositionCounter++;
DynamicTableEntry d = new DynamicTableEntry(headerName, val, -pos);
List<TableEntry> existing = dynamicTable.get(headerName);
if (existing == null) {
dynamicTable.put(headerName, existing = new ArrayList<>(1));
}
existing.add(d);
evictionQueue.add(d);
currentTableSize += d.size;
runEvictionIfRequired();
if (entryPositionCounter == Integer.MAX_VALUE) {
//prevent rollover
preventPositionRollover();
}
}
private void preventPositionRollover() {
//if the position counter is about to roll over we iterate all the table entries
//and set their position to their actual position
for (Map.Entry<String, List<TableEntry>> entry : dynamicTable.entrySet()) {
for (TableEntry t : entry.getValue()) {
t.position = t.getPosition();
}
}
entryPositionCounter = 0;
}
private void runEvictionIfRequired() {
while (currentTableSize > maxTableSize) {
TableEntry next = evictionQueue.poll();
if (next == null) {
return;
}
currentTableSize -= next.size;
List<TableEntry> list = dynamicTable.get(next.name);
list.remove(next);
if (list.isEmpty()) {
dynamicTable.remove(next.name);
}
}
}
private TableEntry findInTable(String headerName, String value) {
TableEntry[] staticTable = ENCODING_STATIC_TABLE.get(headerName);
if (staticTable != null) {
for (TableEntry st : staticTable) {
if (st.value != null && st.value.equals(value)) { //todo: some form of lookup?
return st;
}
}
}
List<TableEntry> dynamic = dynamicTable.get(headerName);
if (dynamic != null) {
for (TableEntry st : dynamic) {
if (st.value.equals(value)) { //todo: some form of lookup?
return st;
}
}
}
if (staticTable != null) {
return staticTable[0];
}
return null;
}
public void setMaxTableSize(int newSize) {
this.newMaxHeaderSize = newSize;
if (minNewMaxHeaderSize == -1) {
minNewMaxHeaderSize = newSize;
} else {
minNewMaxHeaderSize = Math.min(newSize, minNewMaxHeaderSize);
}
}
private void handleTableSizeChange(ByteBuffer target) {
if (newMaxHeaderSize == -1) {
return;
}
if (minNewMaxHeaderSize != newMaxHeaderSize) {
target.put((byte) (1 << 5));
Hpack.encodeInteger(target, minNewMaxHeaderSize, 5);
}
target.put((byte) (1 << 5));
Hpack.encodeInteger(target, newMaxHeaderSize, 5);
maxTableSize = newMaxHeaderSize;
runEvictionIfRequired();
newMaxHeaderSize = -1;
minNewMaxHeaderSize = -1;
}
public enum State {
COMPLETE,
UNDERFLOW,
}
static class TableEntry {
final String name;
final String value;
final int size;
int position;
TableEntry(String name, String value, int position) {
this.name = name;
this.value = value;
this.position = position;
if (value != null) {
this.size = 32 + name.length() + value.length();
} else {
this.size = -1;
}
}
public int getPosition() {
return position;
}
}
class DynamicTableEntry extends TableEntry {
DynamicTableEntry(String name, String value, int position) {
super(name, value, position);
}
@Override
public int getPosition() {
return super.getPosition() + entryPositionCounter + Hpack.STATIC_TABLE_LENGTH;
}
}
public interface HpackHeaderFunction {
boolean shouldUseIndexing(String header, String value);
/**
* Returns true if huffman encoding should be used on the header value
*
* @param header The header name
* @param value The header value to be encoded
* @return <code>true</code> if the value should be encoded
*/
boolean shouldUseHuffman(String header, String value);
/**
* Returns true if huffman encoding should be used on the header name
*
* @param header The header name to be encoded
* @return <code>true</code> if the value should be encoded
*/
boolean shouldUseHuffman(String header);
}
}

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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.coyote.http2;
/**
* Exception that is thrown when the HPACK compress context is broken. In this
* case the connection must be closed.
*/
public class HpackException extends Exception {
private static final long serialVersionUID = 1L;
public HpackException(String message, Throwable cause) {
super(message, cause);
}
public HpackException(String message) {
super(message);
}
public HpackException() {
super();
}
}

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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.coyote.http2;
public enum Http2Error {
NO_ERROR (0x00),
PROTOCOL_ERROR (0x01),
INTERNAL_ERROR (0x02),
FLOW_CONTROL_ERROR (0x03),
SETTINGS_TIMEOUT (0x04),
STREAM_CLOSED (0x05),
FRAME_SIZE_ERROR (0x06),
REFUSED_STREAM (0x07),
CANCEL (0x08),
COMPRESSION_ERROR (0x09),
CONNECT_ERROR (0x0a),
ENHANCE_YOUR_CALM (0x0b),
INADEQUATE_SECURITY (0x0c),
HTTP_1_1_REQUIRED (0x0d);
private final long code;
private Http2Error(long code) {
this.code = code;
}
public long getCode() {
return code;
}
public byte[] getCodeBytes() {
byte[] codeByte = new byte[4];
ByteUtil.setFourBytes(codeByte, 0, code);
return codeByte;
}
}

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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.coyote.http2;
public abstract class Http2Exception extends Exception {
private static final long serialVersionUID = 1L;
private final Http2Error error;
Http2Exception(String msg, Http2Error error) {
super(msg);
this.error = error;
}
Http2Exception(String msg, Http2Error error, Throwable cause) {
super(msg, cause);
this.error = error;
}
Http2Error getError() {
return error;
}
}

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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.coyote.http2;
import java.io.IOException;
import java.nio.ByteBuffer;
import org.apache.coyote.Response;
import org.apache.coyote.http11.HttpOutputBuffer;
import org.apache.coyote.http11.OutputFilter;
import org.apache.coyote.http2.Stream.StreamOutputBuffer;
import org.apache.tomcat.util.buf.ByteChunk;
public class Http2OutputBuffer implements HttpOutputBuffer {
private final Response coyoteResponse;
private HttpOutputBuffer next;
/**
* Add a filter at the start of the existing processing chain. Subsequent
* calls to the {@link HttpOutputBuffer} methods of this object will be
* passed to the filter. If appropriate, the filter will then call the same
* method on the next HttpOutputBuffer in the chain until the call reaches
* the StreamOutputBuffer.
*
* @param filter The filter to add to the start of the processing chain
*/
public void addFilter(OutputFilter filter) {
filter.setBuffer(next);
next = filter;
}
public Http2OutputBuffer(Response coyoteResponse, StreamOutputBuffer streamOutputBuffer) {
this.coyoteResponse = coyoteResponse;
this.next = streamOutputBuffer;
}
@Override
public int doWrite(ByteBuffer chunk) throws IOException {
if (!coyoteResponse.isCommitted()) {
coyoteResponse.sendHeaders();
}
return next.doWrite(chunk);
}
@Override
public long getBytesWritten() {
return next.getBytesWritten();
}
@Override
public void end() throws IOException {
next.end();
}
@Override
public void flush() throws IOException {
next.flush();
}
@Override
@Deprecated
public int doWrite(ByteChunk chunk) throws IOException {
return next.doWrite(chunk);
}
}

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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.coyote.http2;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.nio.charset.StandardCharsets;
import org.apache.coyote.ProtocolException;
import org.apache.coyote.http2.HpackDecoder.HeaderEmitter;
import org.apache.juli.logging.Log;
import org.apache.juli.logging.LogFactory;
import org.apache.tomcat.util.buf.ByteBufferUtils;
import org.apache.tomcat.util.res.StringManager;
class Http2Parser {
private static final Log log = LogFactory.getLog(Http2Parser.class);
private static final StringManager sm = StringManager.getManager(Http2Parser.class);
static final byte[] CLIENT_PREFACE_START =
"PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n".getBytes(StandardCharsets.ISO_8859_1);
private final String connectionId;
private final Input input;
private final Output output;
private final byte[] frameHeaderBuffer = new byte[9];
private volatile HpackDecoder hpackDecoder;
private volatile ByteBuffer headerReadBuffer =
ByteBuffer.allocate(Constants.DEFAULT_HEADER_READ_BUFFER_SIZE);
private volatile int headersCurrentStream = -1;
private volatile boolean headersEndStream = false;
Http2Parser(String connectionId, Input input, Output output) {
this.connectionId = connectionId;
this.input = input;
this.output = output;
}
/**
* Read and process a single frame. Once the start of a frame is read, the
* remainder will be read using blocking IO.
*
* @param block Should this method block until a frame is available if no
* frame is available immediately?
*
* @return <code>true</code> if a frame was read otherwise
* <code>false</code>
*
* @throws IOException If an IO error occurs while trying to read a frame
*/
boolean readFrame(boolean block) throws Http2Exception, IOException {
return readFrame(block, null);
}
private boolean readFrame(boolean block, FrameType expected)
throws IOException, Http2Exception {
if (!input.fill(block, frameHeaderBuffer)) {
return false;
}
int payloadSize = ByteUtil.getThreeBytes(frameHeaderBuffer, 0);
FrameType frameType = FrameType.valueOf(ByteUtil.getOneByte(frameHeaderBuffer, 3));
int flags = ByteUtil.getOneByte(frameHeaderBuffer, 4);
int streamId = ByteUtil.get31Bits(frameHeaderBuffer, 5);
try {
validateFrame(expected, frameType, streamId, flags, payloadSize);
} catch (StreamException se) {
swallow(streamId, payloadSize, false);
throw se;
}
switch (frameType) {
case DATA:
readDataFrame(streamId, flags, payloadSize);
break;
case HEADERS:
readHeadersFrame(streamId, flags, payloadSize);
break;
case PRIORITY:
readPriorityFrame(streamId);
break;
case RST:
readRstFrame(streamId);
break;
case SETTINGS:
readSettingsFrame(flags, payloadSize);
break;
case PUSH_PROMISE:
readPushPromiseFrame(streamId);
break;
case PING:
readPingFrame(flags);
break;
case GOAWAY:
readGoawayFrame(payloadSize);
break;
case WINDOW_UPDATE:
readWindowUpdateFrame(streamId);
break;
case CONTINUATION:
readContinuationFrame(streamId, flags, payloadSize);
break;
case UNKNOWN:
readUnknownFrame(streamId, frameType, flags, payloadSize);
}
return true;
}
private void readDataFrame(int streamId, int flags, int payloadSize)
throws Http2Exception, IOException {
// Process the Stream
int padLength = 0;
boolean endOfStream = Flags.isEndOfStream(flags);
int dataLength;
if (Flags.hasPadding(flags)) {
byte[] b = new byte[1];
input.fill(true, b);
padLength = b[0] & 0xFF;
if (padLength >= payloadSize) {
throw new ConnectionException(
sm.getString("http2Parser.processFrame.tooMuchPadding", connectionId,
Integer.toString(streamId), Integer.toString(padLength),
Integer.toString(payloadSize)), Http2Error.PROTOCOL_ERROR);
}
// +1 is for the padding length byte we just read above
dataLength = payloadSize - (padLength + 1);
} else {
dataLength = payloadSize;
}
if (log.isDebugEnabled()) {
String padding;
if (Flags.hasPadding(flags)) {
padding = Integer.toString(padLength);
} else {
padding = "none";
}
log.debug(sm.getString("http2Parser.processFrameData.lengths", connectionId,
Integer.toString(streamId), Integer.toString(dataLength), padding));
}
ByteBuffer dest = output.startRequestBodyFrame(streamId, payloadSize, endOfStream);
if (dest == null) {
swallow(streamId, dataLength, false);
// Process padding before sending any notifications in case padding
// is invalid.
if (padLength > 0) {
swallow(streamId, padLength, true);
}
if (endOfStream) {
output.receivedEndOfStream(streamId);
}
} else {
synchronized (dest) {
if (dest.remaining() < dataLength) {
swallow(streamId, dataLength, false);
// Client has sent more data than permitted by Window size
throw new StreamException(sm.getString("http2Parser.processFrameData.window", connectionId),
Http2Error.FLOW_CONTROL_ERROR, streamId);
}
input.fill(true, dest, dataLength);
// Process padding before sending any notifications in case
// padding is invalid.
if (padLength > 0) {
swallow(streamId, padLength, true);
}
if (endOfStream) {
output.receivedEndOfStream(streamId);
}
output.endRequestBodyFrame(streamId);
}
}
if (padLength > 0) {
output.swallowedPadding(streamId, padLength);
}
}
private void readHeadersFrame(int streamId, int flags, int payloadSize)
throws Http2Exception, IOException {
headersEndStream = Flags.isEndOfStream(flags);
if (hpackDecoder == null) {
hpackDecoder = output.getHpackDecoder();
}
try {
hpackDecoder.setHeaderEmitter(output.headersStart(streamId, headersEndStream));
} catch (StreamException se) {
swallow(streamId, payloadSize, false);
throw se;
}
int padLength = 0;
boolean padding = Flags.hasPadding(flags);
boolean priority = Flags.hasPriority(flags);
int optionalLen = 0;
if (padding) {
optionalLen = 1;
}
if (priority) {
optionalLen += 5;
}
if (optionalLen > 0) {
byte[] optional = new byte[optionalLen];
input.fill(true, optional);
int optionalPos = 0;
if (padding) {
padLength = ByteUtil.getOneByte(optional, optionalPos++);
if (padLength >= payloadSize) {
throw new ConnectionException(
sm.getString("http2Parser.processFrame.tooMuchPadding", connectionId,
Integer.toString(streamId), Integer.toString(padLength),
Integer.toString(payloadSize)), Http2Error.PROTOCOL_ERROR);
}
}
if (priority) {
boolean exclusive = ByteUtil.isBit7Set(optional[optionalPos]);
int parentStreamId = ByteUtil.get31Bits(optional, optionalPos);
int weight = ByteUtil.getOneByte(optional, optionalPos + 4) + 1;
output.reprioritise(streamId, parentStreamId, exclusive, weight);
}
payloadSize -= optionalLen;
payloadSize -= padLength;
}
readHeaderPayload(streamId, payloadSize);
swallow(streamId, padLength, true);
if (Flags.isEndOfHeaders(flags)) {
onHeadersComplete(streamId);
} else {
headersCurrentStream = streamId;
}
}
private void readPriorityFrame(int streamId) throws Http2Exception, IOException {
byte[] payload = new byte[5];
input.fill(true, payload);
boolean exclusive = ByteUtil.isBit7Set(payload[0]);
int parentStreamId = ByteUtil.get31Bits(payload, 0);
int weight = ByteUtil.getOneByte(payload, 4) + 1;
if (streamId == parentStreamId) {
throw new StreamException(sm.getString("http2Parser.processFramePriority.invalidParent",
connectionId, Integer.valueOf(streamId)), Http2Error.PROTOCOL_ERROR, streamId);
}
output.reprioritise(streamId, parentStreamId, exclusive, weight);
}
private void readRstFrame(int streamId) throws Http2Exception, IOException {
byte[] payload = new byte[4];
input.fill(true, payload);
long errorCode = ByteUtil.getFourBytes(payload, 0);
output.reset(streamId, errorCode);
headersCurrentStream = -1;
headersEndStream = false;
}
private void readSettingsFrame(int flags, int payloadSize) throws Http2Exception, IOException {
boolean ack = Flags.isAck(flags);
if (payloadSize > 0 && ack) {
throw new ConnectionException(sm.getString(
"http2Parser.processFrameSettings.ackWithNonZeroPayload"),
Http2Error.FRAME_SIZE_ERROR);
}
if (payloadSize == 0 && !ack) {
// Ensure empty SETTINGS frame increments the overhead count
output.setting(null, 0);
} else {
// Process the settings
byte[] setting = new byte[6];
for (int i = 0; i < payloadSize / 6; i++) {
input.fill(true, setting);
int id = ByteUtil.getTwoBytes(setting, 0);
long value = ByteUtil.getFourBytes(setting, 2);
output.setting(Setting.valueOf(id), value);
}
}
output.settingsEnd(ack);
}
private void readPushPromiseFrame(int streamId) throws Http2Exception {
throw new ConnectionException(sm.getString("http2Parser.processFramePushPromise",
connectionId, Integer.valueOf(streamId)), Http2Error.PROTOCOL_ERROR);
}
private void readPingFrame(int flags) throws IOException {
// Read the payload
byte[] payload = new byte[8];
input.fill(true, payload);
output.pingReceive(payload, Flags.isAck(flags));
}
private void readGoawayFrame(int payloadSize) throws IOException {
byte[] payload = new byte[payloadSize];
input.fill(true, payload);
int lastStreamId = ByteUtil.get31Bits(payload, 0);
long errorCode = ByteUtil.getFourBytes(payload, 4);
String debugData = null;
if (payloadSize > 8) {
debugData = new String(payload, 8, payloadSize - 8, StandardCharsets.UTF_8);
}
output.goaway(lastStreamId, errorCode, debugData);
}
private void readWindowUpdateFrame(int streamId) throws Http2Exception, IOException {
byte[] payload = new byte[4];
input.fill(true, payload);
int windowSizeIncrement = ByteUtil.get31Bits(payload, 0);
if (log.isDebugEnabled()) {
log.debug(sm.getString("http2Parser.processFrameWindowUpdate.debug", connectionId,
Integer.toString(streamId), Integer.toString(windowSizeIncrement)));
}
// Validate the data
if (windowSizeIncrement == 0) {
if (streamId == 0) {
throw new ConnectionException(
sm.getString("http2Parser.processFrameWindowUpdate.invalidIncrement"),
Http2Error.PROTOCOL_ERROR);
} else {
throw new StreamException(
sm.getString("http2Parser.processFrameWindowUpdate.invalidIncrement"),
Http2Error.PROTOCOL_ERROR, streamId);
}
}
output.incrementWindowSize(streamId, windowSizeIncrement);
}
private void readContinuationFrame(int streamId, int flags, int payloadSize)
throws Http2Exception, IOException {
if (headersCurrentStream == -1) {
// No headers to continue
throw new ConnectionException(sm.getString(
"http2Parser.processFrameContinuation.notExpected", connectionId,
Integer.toString(streamId)), Http2Error.PROTOCOL_ERROR);
}
boolean endOfHeaders = Flags.isEndOfHeaders(flags);
// Used to detect abusive clients sending large numbers of small
// continuation frames
output.headersContinue(payloadSize, endOfHeaders);
readHeaderPayload(streamId, payloadSize);
if (endOfHeaders) {
headersCurrentStream = -1;
onHeadersComplete(streamId);
}
}
private void readHeaderPayload(int streamId, int payloadSize)
throws Http2Exception, IOException {
if (log.isDebugEnabled()) {
log.debug(sm.getString("http2Parser.processFrameHeaders.payload", connectionId,
Integer.valueOf(streamId), Integer.valueOf(payloadSize)));
}
int remaining = payloadSize;
while (remaining > 0) {
if (headerReadBuffer.remaining() == 0) {
// Buffer needs expansion
int newSize;
if (headerReadBuffer.capacity() < payloadSize) {
// First step, expand to the current payload. That should
// cover most cases.
newSize = payloadSize;
} else {
// Header must be spread over multiple frames. Keep doubling
// buffer size until the header can be read.
newSize = headerReadBuffer.capacity() * 2;
}
headerReadBuffer = ByteBufferUtils.expand(headerReadBuffer, newSize);
}
int toRead = Math.min(headerReadBuffer.remaining(), remaining);
// headerReadBuffer in write mode
input.fill(true, headerReadBuffer, toRead);
// switch to read mode
headerReadBuffer.flip();
try {
hpackDecoder.decode(headerReadBuffer);
} catch (HpackException hpe) {
throw new ConnectionException(
sm.getString("http2Parser.processFrameHeaders.decodingFailed"),
Http2Error.COMPRESSION_ERROR, hpe);
}
// switches to write mode
headerReadBuffer.compact();
remaining -= toRead;
if (hpackDecoder.isHeaderCountExceeded()) {
StreamException headerException = new StreamException(sm.getString(
"http2Parser.headerLimitCount", connectionId, Integer.valueOf(streamId)),
Http2Error.ENHANCE_YOUR_CALM, streamId);
hpackDecoder.getHeaderEmitter().setHeaderException(headerException);
}
if (hpackDecoder.isHeaderSizeExceeded(headerReadBuffer.position())) {
StreamException headerException = new StreamException(sm.getString(
"http2Parser.headerLimitSize", connectionId, Integer.valueOf(streamId)),
Http2Error.ENHANCE_YOUR_CALM, streamId);
hpackDecoder.getHeaderEmitter().setHeaderException(headerException);
}
if (hpackDecoder.isHeaderSwallowSizeExceeded(headerReadBuffer.position())) {
throw new ConnectionException(sm.getString("http2Parser.headerLimitSize",
connectionId, Integer.valueOf(streamId)), Http2Error.ENHANCE_YOUR_CALM);
}
}
}
private void readUnknownFrame(int streamId, FrameType frameType, int flags, int payloadSize)
throws IOException {
try {
swallow(streamId, payloadSize, false);
} catch (ConnectionException e) {
// Will never happen because swallow() is called with mustBeZero set
// to false
}
output.swallowed(streamId, frameType, flags, payloadSize);
}
private void swallow(int streamId, int len, boolean mustBeZero)
throws IOException, ConnectionException {
if (log.isDebugEnabled()) {
log.debug(sm.getString("http2Parser.swallow.debug", connectionId,
Integer.toString(streamId), Integer.toString(len)));
}
if (len == 0) {
return;
}
int read = 0;
byte[] buffer = new byte[1024];
while (read < len) {
int thisTime = Math.min(buffer.length, len - read);
input.fill(true, buffer, 0, thisTime);
if (mustBeZero) {
// Validate the padding is zero since receiving non-zero padding
// is a strong indication of either a faulty client or a server
// side bug.
for (int i = 0; i < thisTime; i++) {
if (buffer[i] != 0) {
throw new ConnectionException(sm.getString("http2Parser.nonZeroPadding",
connectionId, Integer.toString(streamId)), Http2Error.PROTOCOL_ERROR);
}
}
}
read += thisTime;
}
}
private void onHeadersComplete(int streamId) throws Http2Exception {
// Any left over data is a compression error
if (headerReadBuffer.position() > 0) {
throw new ConnectionException(
sm.getString("http2Parser.processFrameHeaders.decodingDataLeft"),
Http2Error.COMPRESSION_ERROR);
}
// Delay validation (and triggering any exception) until this point
// since all the headers still have to be read if a StreamException is
// going to be thrown.
hpackDecoder.getHeaderEmitter().validateHeaders();
output.headersEnd(streamId);
if (headersEndStream) {
output.receivedEndOfStream(streamId);
headersEndStream = false;
}
// Reset size for new request if the buffer was previously expanded
if (headerReadBuffer.capacity() > Constants.DEFAULT_HEADER_READ_BUFFER_SIZE) {
headerReadBuffer = ByteBuffer.allocate(Constants.DEFAULT_HEADER_READ_BUFFER_SIZE);
}
}
/*
* Implementation note:
* Validation applicable to all incoming frames should be implemented here.
* Frame type specific validation should be performed in the appropriate
* readXxxFrame() method.
* For validation applicable to some but not all frame types, use your
* judgement.
*/
private void validateFrame(FrameType expected, FrameType frameType, int streamId, int flags,
int payloadSize) throws Http2Exception {
if (log.isDebugEnabled()) {
log.debug(sm.getString("http2Parser.processFrame", connectionId,
Integer.toString(streamId), frameType, Integer.toString(flags),
Integer.toString(payloadSize)));
}
if (expected != null && frameType != expected) {
throw new StreamException(sm.getString("http2Parser.processFrame.unexpectedType",
expected, frameType), Http2Error.PROTOCOL_ERROR, streamId);
}
int maxFrameSize = input.getMaxFrameSize();
if (payloadSize > maxFrameSize) {
throw new ConnectionException(sm.getString("http2Parser.payloadTooBig",
Integer.toString(payloadSize), Integer.toString(maxFrameSize)),
Http2Error.FRAME_SIZE_ERROR);
}
if (headersCurrentStream != -1) {
if (headersCurrentStream != streamId) {
throw new ConnectionException(sm.getString("http2Parser.headers.wrongStream",
connectionId, Integer.toString(headersCurrentStream),
Integer.toString(streamId)), Http2Error.COMPRESSION_ERROR);
}
if (frameType == FrameType.RST) {
// NO-OP: RST is OK here
} else if (frameType != FrameType.CONTINUATION) {
throw new ConnectionException(sm.getString("http2Parser.headers.wrongFrameType",
connectionId, Integer.toString(headersCurrentStream),
frameType), Http2Error.COMPRESSION_ERROR);
}
}
frameType.check(streamId, payloadSize);
}
/**
* Read and validate the connection preface from input using blocking IO.
*/
void readConnectionPreface() throws Http2Exception {
byte[] data = new byte[CLIENT_PREFACE_START.length];
try {
input.fill(true, data);
for (int i = 0; i < CLIENT_PREFACE_START.length; i++) {
if (CLIENT_PREFACE_START[i] != data[i]) {
throw new ProtocolException(sm.getString("http2Parser.preface.invalid"));
}
}
// Must always be followed by a settings frame
readFrame(true, FrameType.SETTINGS);
} catch (IOException ioe) {
throw new ProtocolException(sm.getString("http2Parser.preface.io"), ioe);
}
}
/**
* Interface that must be implemented by the source of data for the parser.
*/
static interface Input {
/**
* Fill the given array with data unless non-blocking is requested and
* no data is available. If any data is available then the buffer will
* be filled using blocking I/O.
*
* @param block Should the first read into the provided buffer be a
* blocking read or not.
* @param data Buffer to fill
* @param offset Position in buffer to start writing
* @param length Number of bytes to read
*
* @return <code>true</code> if the buffer was filled otherwise
* <code>false</code>
*
* @throws IOException If an I/O occurred while obtaining data with
* which to fill the buffer
*/
boolean fill(boolean block, byte[] data, int offset, int length) throws IOException;
boolean fill(boolean block, byte[] data) throws IOException;
boolean fill(boolean block, ByteBuffer data, int len) throws IOException;
int getMaxFrameSize();
}
/**
* Interface that must be implemented to receive notifications from the
* parser as it processes incoming frames.
*/
static interface Output {
HpackDecoder getHpackDecoder();
// Data frames
ByteBuffer startRequestBodyFrame(int streamId, int payloadSize, boolean endOfStream) throws Http2Exception;
void endRequestBodyFrame(int streamId) throws Http2Exception;
void receivedEndOfStream(int streamId) throws ConnectionException;
void swallowedPadding(int streamId, int paddingLength) throws ConnectionException, IOException;
// Header frames
HeaderEmitter headersStart(int streamId, boolean headersEndStream)
throws Http2Exception, IOException;
void headersContinue(int payloadSize, boolean endOfHeaders);
void headersEnd(int streamId) throws ConnectionException;
// Priority frames (also headers)
void reprioritise(int streamId, int parentStreamId, boolean exclusive, int weight)
throws Http2Exception;
// Reset frames
void reset(int streamId, long errorCode) throws Http2Exception;
// Settings frames
void setting(Setting setting, long value) throws ConnectionException;
void settingsEnd(boolean ack) throws IOException;
// Ping frames
void pingReceive(byte[] payload, boolean ack) throws IOException;
// Goaway
void goaway(int lastStreamId, long errorCode, String debugData);
// Window size
void incrementWindowSize(int streamId, int increment) throws Http2Exception;
// Testing
void swallowed(int streamId, FrameType frameType, int flags, int size) throws IOException;
}
}

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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.coyote.http2;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Enumeration;
import java.util.HashSet;
import java.util.List;
import java.util.Locale;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.regex.Pattern;
import org.apache.coyote.Adapter;
import org.apache.coyote.CompressionConfig;
import org.apache.coyote.Processor;
import org.apache.coyote.Request;
import org.apache.coyote.Response;
import org.apache.coyote.UpgradeProtocol;
import org.apache.coyote.UpgradeToken;
import org.apache.coyote.http11.AbstractHttp11Protocol;
import org.apache.coyote.http11.upgrade.InternalHttpUpgradeHandler;
import org.apache.coyote.http11.upgrade.UpgradeProcessorInternal;
import org.apache.tomcat.util.buf.StringUtils;
import org.apache.tomcat.util.net.SocketWrapperBase;
public class Http2Protocol implements UpgradeProtocol {
static final long DEFAULT_READ_TIMEOUT = 5000;
static final long DEFAULT_WRITE_TIMEOUT = 5000;
static final long DEFAULT_KEEP_ALIVE_TIMEOUT = 20000;
static final long DEFAULT_STREAM_READ_TIMEOUT = 20000;
static final long DEFAULT_STREAM_WRITE_TIMEOUT = 20000;
// The HTTP/2 specification recommends a minimum default of 100
static final long DEFAULT_MAX_CONCURRENT_STREAMS = 100;
// Maximum amount of streams which can be concurrently executed over
// a single connection
static final int DEFAULT_MAX_CONCURRENT_STREAM_EXECUTION = 20;
static final int DEFAULT_OVERHEAD_COUNT_FACTOR = 1;
static final int DEFAULT_OVERHEAD_CONTINUATION_THRESHOLD = 1024;
static final int DEFAULT_OVERHEAD_DATA_THRESHOLD = 1024;
static final int DEFAULT_OVERHEAD_WINDOW_UPDATE_THRESHOLD = 1024;
private static final String HTTP_UPGRADE_NAME = "h2c";
private static final String ALPN_NAME = "h2";
private static final byte[] ALPN_IDENTIFIER = ALPN_NAME.getBytes(StandardCharsets.UTF_8);
// All timeouts in milliseconds
// These are the socket level timeouts
private long readTimeout = DEFAULT_READ_TIMEOUT;
private long writeTimeout = DEFAULT_WRITE_TIMEOUT;
private long keepAliveTimeout = DEFAULT_KEEP_ALIVE_TIMEOUT;
// These are the stream level timeouts
private long streamReadTimeout = DEFAULT_STREAM_READ_TIMEOUT;
private long streamWriteTimeout = DEFAULT_STREAM_WRITE_TIMEOUT;
private long maxConcurrentStreams = DEFAULT_MAX_CONCURRENT_STREAMS;
private int maxConcurrentStreamExecution = DEFAULT_MAX_CONCURRENT_STREAM_EXECUTION;
// To advertise a different default to the client specify it here but DO NOT
// change the default defined in ConnectionSettingsBase.
private int initialWindowSize = ConnectionSettingsBase.DEFAULT_INITIAL_WINDOW_SIZE;
// Limits
private Set<String> allowedTrailerHeaders =
Collections.newSetFromMap(new ConcurrentHashMap<String, Boolean>());
private int maxHeaderCount = Constants.DEFAULT_MAX_HEADER_COUNT;
private int maxHeaderSize = Constants.DEFAULT_MAX_HEADER_SIZE;
private int maxTrailerCount = Constants.DEFAULT_MAX_TRAILER_COUNT;
private int maxTrailerSize = Constants.DEFAULT_MAX_TRAILER_SIZE;
private int overheadCountFactor = DEFAULT_OVERHEAD_COUNT_FACTOR;
private int overheadContinuationThreshold = DEFAULT_OVERHEAD_CONTINUATION_THRESHOLD;
private int overheadDataThreshold = DEFAULT_OVERHEAD_DATA_THRESHOLD;
private int overheadWindowUpdateThreshold = DEFAULT_OVERHEAD_WINDOW_UPDATE_THRESHOLD;
private boolean initiatePingDisabled = false;
// Compression
private final CompressionConfig compressionConfig = new CompressionConfig();
// Reference to HTTP/1.1 protocol that this instance is configured under
private AbstractHttp11Protocol<?> http11Protocol = null;
@Override
public String getHttpUpgradeName(boolean isSSLEnabled) {
if (isSSLEnabled) {
return null;
} else {
return HTTP_UPGRADE_NAME;
}
}
@Override
public byte[] getAlpnIdentifier() {
return ALPN_IDENTIFIER;
}
@Override
public String getAlpnName() {
return ALPN_NAME;
}
@Override
public Processor getProcessor(SocketWrapperBase<?> socketWrapper, Adapter adapter) {
UpgradeProcessorInternal processor = new UpgradeProcessorInternal(socketWrapper,
new UpgradeToken(getInternalUpgradeHandler(adapter, null), null, null));
return processor;
}
@Override
public InternalHttpUpgradeHandler getInternalUpgradeHandler(Adapter adapter,
Request coyoteRequest) {
Http2UpgradeHandler result = new Http2UpgradeHandler(this, adapter, coyoteRequest);
result.setReadTimeout(getReadTimeout());
result.setKeepAliveTimeout(getKeepAliveTimeout());
result.setWriteTimeout(getWriteTimeout());
result.setMaxConcurrentStreams(getMaxConcurrentStreams());
result.setMaxConcurrentStreamExecution(getMaxConcurrentStreamExecution());
result.setInitialWindowSize(getInitialWindowSize());
result.setAllowedTrailerHeaders(allowedTrailerHeaders);
result.setMaxHeaderCount(getMaxHeaderCount());
result.setMaxHeaderSize(getMaxHeaderSize());
result.setMaxTrailerCount(getMaxTrailerCount());
result.setMaxTrailerSize(getMaxTrailerSize());
result.setInitiatePingDisabled(initiatePingDisabled);
return result;
}
@Override
public boolean accept(Request request) {
// Should only be one HTTP2-Settings header
Enumeration<String> settings = request.getMimeHeaders().values("HTTP2-Settings");
int count = 0;
while (settings.hasMoreElements()) {
count++;
settings.nextElement();
}
if (count != 1) {
return false;
}
Enumeration<String> connection = request.getMimeHeaders().values("Connection");
boolean found = false;
while (connection.hasMoreElements() && !found) {
found = connection.nextElement().contains("HTTP2-Settings");
}
return found;
}
public long getReadTimeout() {
return readTimeout;
}
public void setReadTimeout(long readTimeout) {
this.readTimeout = readTimeout;
}
public long getWriteTimeout() {
return writeTimeout;
}
public void setWriteTimeout(long writeTimeout) {
this.writeTimeout = writeTimeout;
}
public long getKeepAliveTimeout() {
return keepAliveTimeout;
}
public void setKeepAliveTimeout(long keepAliveTimeout) {
this.keepAliveTimeout = keepAliveTimeout;
}
public long getStreamReadTimeout() {
return streamReadTimeout;
}
public void setStreamReadTimeout(long streamReadTimeout) {
this.streamReadTimeout = streamReadTimeout;
}
public long getStreamWriteTimeout() {
return streamWriteTimeout;
}
public void setStreamWriteTimeout(long streamWriteTimeout) {
this.streamWriteTimeout = streamWriteTimeout;
}
public long getMaxConcurrentStreams() {
return maxConcurrentStreams;
}
public void setMaxConcurrentStreams(long maxConcurrentStreams) {
this.maxConcurrentStreams = maxConcurrentStreams;
}
public int getMaxConcurrentStreamExecution() {
return maxConcurrentStreamExecution;
}
public void setMaxConcurrentStreamExecution(int maxConcurrentStreamExecution) {
this.maxConcurrentStreamExecution = maxConcurrentStreamExecution;
}
public int getInitialWindowSize() {
return initialWindowSize;
}
public void setInitialWindowSize(int initialWindowSize) {
this.initialWindowSize = initialWindowSize;
}
public void setAllowedTrailerHeaders(String commaSeparatedHeaders) {
// Jump through some hoops so we don't end up with an empty set while
// doing updates.
Set<String> toRemove = new HashSet<>();
toRemove.addAll(allowedTrailerHeaders);
if (commaSeparatedHeaders != null) {
String[] headers = commaSeparatedHeaders.split(",");
for (String header : headers) {
String trimmedHeader = header.trim().toLowerCase(Locale.ENGLISH);
if (toRemove.contains(trimmedHeader)) {
toRemove.remove(trimmedHeader);
} else {
allowedTrailerHeaders.add(trimmedHeader);
}
}
allowedTrailerHeaders.removeAll(toRemove);
}
}
public String getAllowedTrailerHeaders() {
// Chances of a size change between these lines are small enough that a
// sync is unnecessary.
List<String> copy = new ArrayList<>(allowedTrailerHeaders.size());
copy.addAll(allowedTrailerHeaders);
return StringUtils.join(copy);
}
public void setMaxHeaderCount(int maxHeaderCount) {
this.maxHeaderCount = maxHeaderCount;
}
public int getMaxHeaderCount() {
return maxHeaderCount;
}
public void setMaxHeaderSize(int maxHeaderSize) {
this.maxHeaderSize = maxHeaderSize;
}
public int getMaxHeaderSize() {
return maxHeaderSize;
}
public void setMaxTrailerCount(int maxTrailerCount) {
this.maxTrailerCount = maxTrailerCount;
}
public int getMaxTrailerCount() {
return maxTrailerCount;
}
public void setMaxTrailerSize(int maxTrailerSize) {
this.maxTrailerSize = maxTrailerSize;
}
public int getMaxTrailerSize() {
return maxTrailerSize;
}
public int getOverheadCountFactor() {
return overheadCountFactor;
}
public void setOverheadCountFactor(int overheadCountFactor) {
this.overheadCountFactor = overheadCountFactor;
}
public int getOverheadContinuationThreshold() {
return overheadContinuationThreshold;
}
public void setOverheadContinuationThreshold(int overheadContinuationThreshold) {
this.overheadContinuationThreshold = overheadContinuationThreshold;
}
public int getOverheadDataThreshold() {
return overheadDataThreshold;
}
public void setOverheadDataThreshold(int overheadDataThreshold) {
this.overheadDataThreshold = overheadDataThreshold;
}
public int getOverheadWindowUpdateThreshold() {
return overheadWindowUpdateThreshold;
}
public void setOverheadWindowUpdateThreshold(int overheadWindowUpdateThreshold) {
this.overheadWindowUpdateThreshold = overheadWindowUpdateThreshold;
}
public void setInitiatePingDisabled(boolean initiatePingDisabled) {
this.initiatePingDisabled = initiatePingDisabled;
}
public void setCompression(String compression) {
compressionConfig.setCompression(compression);
}
public String getCompression() {
return compressionConfig.getCompression();
}
protected int getCompressionLevel() {
return compressionConfig.getCompressionLevel();
}
public String getNoCompressionUserAgents() {
return compressionConfig.getNoCompressionUserAgents();
}
protected Pattern getNoCompressionUserAgentsPattern() {
return compressionConfig.getNoCompressionUserAgentsPattern();
}
public void setNoCompressionUserAgents(String noCompressionUserAgents) {
compressionConfig.setNoCompressionUserAgents(noCompressionUserAgents);
}
public String getCompressibleMimeType() {
return compressionConfig.getCompressibleMimeType();
}
public void setCompressibleMimeType(String valueS) {
compressionConfig.setCompressibleMimeType(valueS);
}
public String[] getCompressibleMimeTypes() {
return compressionConfig.getCompressibleMimeTypes();
}
public int getCompressionMinSize() {
return compressionConfig.getCompressionMinSize();
}
public void setCompressionMinSize(int compressionMinSize) {
compressionConfig.setCompressionMinSize(compressionMinSize);
}
@Deprecated
public boolean getNoCompressionStrongETag() {
return compressionConfig.getNoCompressionStrongETag();
}
@Deprecated
public void setNoCompressionStrongETag(boolean noCompressionStrongETag) {
compressionConfig.setNoCompressionStrongETag(noCompressionStrongETag);
}
public boolean useCompression(Request request, Response response) {
return compressionConfig.useCompression(request, response);
}
public AbstractHttp11Protocol<?> getHttp11Protocol() {
return this.http11Protocol;
}
public void setHttp11Protocol(AbstractHttp11Protocol<?> http11Protocol) {
this.http11Protocol = http11Protocol;
}
}

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java/org/apache/coyote/http2/LocalStrings.properties Normal file
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# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
abstractStream.windowSizeDec=Connection [{0}], Stream [{1}], reduce flow control window by [{2}] to [{3}]
abstractStream.windowSizeInc=Connection [{0}], Stream [{1}], increase flow control window by [{2}] to [{3}]
abstractStream.windowSizeTooBig=Connection [{0}], Stream [{1}], increased window size by [{2}] to [{3}] which exceeded permitted maximum
connectionPrefaceParser.eos=Unexpected end of stream while reading opening client preface byte sequence. Only [{0}] bytes read.
connectionPrefaceParser.ioError=Failed to read opening client preface byte sequence
connectionPrefaceParser.mismatch=An unexpected byte sequence was received at the start of the client preface [{0}]
connectionSettings.debug=Connection [{0}], Endpoint [{1}], Parameter type [{2}] set to [{3}]
connectionSettings.enablePushInvalid=Connection [{0}], The requested value for enable push [{1}] is not one of the permitted values (zero or one)
connectionSettings.headerTableSizeLimit=Connection [{0}], Attempted to set a header table size of [{1}] but the limit is 16k
connectionSettings.maxFrameSizeInvalid=Connection [{0}], The requested maximum frame size of [{1}] is outside the permitted range of [{2}] to [{3}]
connectionSettings.unknown=Connection [{0}], An unknown setting with identifier [{1}] and value [{2}] was ignored
connectionSettings.windowSizeTooBig=Connection [{0}], The requested window size of [{1}] is bigger than the maximum permitted value of [{2}]
frameType.checkPayloadSize=Payload size of [{0}] is not valid for frame type [{1}]
frameType.checkStream=Invalid frame type [{0}]
hpack.integerEncodedOverTooManyOctets=HPACK variable length integer encoded over too many octets, max is [{0}]
hpack.invalidCharacter=The Unicode character [{0}] at code point [{1}] cannot be encoded as it is outside the permitted range of 0 to 255.
hpackEncoder.encodeHeader=Encoding header [{0}] with value [{1}]
hpackdecoder.headerTableIndexInvalid=The header table index [{0}] is not valid as there are [{1}] static entries and [{2}] dynamic entries
hpackdecoder.maxMemorySizeExceeded=The header table size [{0}] exceeds the maximum size [{1}]
hpackdecoder.notImplemented=Not yet implemented
hpackdecoder.nullHeader=Null header at index [{0}]
hpackdecoder.tableSizeUpdateNotAtStart=Any table size update must be sent at the start of a header block
hpackdecoder.zeroNotValidHeaderTableIndex=Zero is not a valid header table index
hpackhuffman.huffmanEncodedHpackValueDidNotEndWithEOS=Huffman encoded value in HPACK headers did not end with EOS padding
hpackhuffman.stringLiteralEOS=Huffman encoded value in HPACK headers contained the EOS symbol
hpackhuffman.stringLiteralTooMuchPadding=More than 7 bits of EOS padding were provided at the end of an Huffman encoded string literal
http2Parser.headerLimitCount=Connection [{0}], Stream [{1}], Too many headers
http2Parser.headerLimitSize=Connection [{0}], Stream [{1}], Total header size too big
http2Parser.headers.wrongFrameType=Connection [{0}], headers in progress for stream [{1}] but a frame of type [{2}] was received
http2Parser.headers.wrongStream=Connection [{0}], headers in progress for stream [{1}] but a frame for stream [{2}] was received
http2Parser.nonZeroPadding=Connection [{0}], Stream [{1}], Non-zero padding received
http2Parser.payloadTooBig=The payload is [{0}] bytes long but the maximum frame size is [{1}]
http2Parser.preface.invalid=Invalid connection preface presented
http2Parser.preface.io=Unable to read connection preface
http2Parser.processFrame=Connection [{0}], Stream [{1}], Frame type [{2}], Flags [{3}], Payload size [{4}]
http2Parser.processFrame.tooMuchPadding=Connection [{0}], Stream [{1}], The padding length [{2}] was too big for the payload [{3}]
http2Parser.processFrame.unexpectedType=Expected frame type [{0}] but received frame type [{1}]
http2Parser.processFrameContinuation.notExpected=Connection [{0}], Continuation frame received for stream [{1}] when no headers were in progress
http2Parser.processFrameData.lengths=Connection [{0}], Stream [{1}], Data length, [{2}], Padding length [{3}]
http2Parser.processFrameData.window=Connection [{0}], Client sent more data than stream window allowed
http2Parser.processFrameHeaders.decodingDataLeft=Data left over after HPACK decoding - it should have been consumed
http2Parser.processFrameHeaders.decodingFailed=There was an error during the HPACK decoding of HTTP headers
http2Parser.processFrameHeaders.payload=Connection [{0}], Stream [{1}], Processing headers payload of size [{2}]
http2Parser.processFramePriority.invalidParent=Connection [{0}], Stream [{1}], A stream may not depend on itself
http2Parser.processFramePushPromise=Connection [{0}], Stream [{1}], Push promise frames should not be sent by the client
http2Parser.processFrameSettings.ackWithNonZeroPayload=Settings frame received with the ACK flag set and payload present
http2Parser.processFrameWindowUpdate.debug=Connection [{0}], Stream [{1}], Window size increment [{2}]
http2Parser.processFrameWindowUpdate.invalidIncrement=Window update frame received with an invalid increment size of [{0}]
http2Parser.swallow.debug=Connection [{0}], Stream [{1}], Swallowed [{2}] bytes
pingManager.roundTripTime=Connection [{0}] Round trip time measured as [{1}]ns
stream.closed=Connection [{0}], Stream [{1}], Unable to write to stream once it has been closed
stream.header.case=Connection [{0}], Stream [{1}], HTTP header name [{2}] must be in lower case
stream.header.connection=Connection [{0}], Stream [{1}], HTTP header [connection] is not permitted in an HTTP/2 request
stream.header.contentLength=Connection [{0}], Stream [{1}], The content length header value [{2}] does not agree with the size of the data received [{3}]
stream.header.debug=Connection [{0}], Stream [{1}], HTTP header [{2}], Value [{3}]
stream.header.duplicate=Connection [{0}], Stream [{1}], received multiple [{3}] headers
stream.header.invalid=Connection [{0}], Stream [{1}], The header [{2}] contained invalid value [{3}]
stream.header.noPath=Connection [{0}], Stream [{1}], The [:path] pseudo header was empty
stream.header.required=Connection [{0}], Stream [{1}], One or more required headers was missing
stream.header.te=Connection [{0}], Stream [{1}], HTTP header [te] is not permitted to have the value [{2}] in an HTTP/2 request
stream.header.unexpectedPseudoHeader=Connection [{0}], Stream [{1}], Pseudo header [{2}] received after a regular header
stream.header.unknownPseudoHeader=Connection [{0}], Stream [{1}], Unknown pseudo header [{2}] received
stream.inputBuffer.copy=Copying [{0}] bytes from inBuffer to outBuffer
stream.inputBuffer.dispatch=Data added to inBuffer when read interest is registered. Triggering a read dispatch
stream.inputBuffer.empty=The Stream input buffer is empty. Waiting for more data
stream.inputBuffer.readTimeout=Timeout waiting to read data from client
stream.inputBuffer.reset=Stream reset
stream.inputBuffer.signal=Data added to inBuffer when read thread is waiting. Signalling that thread to continue
stream.notWritable=Connection [{0}], Stream [{1}], This stream is not writable
stream.outputBuffer.flush.debug=Connection [{0}], Stream [{1}], flushing output with buffer at position [{2}], writeInProgress [{3}] and closed [{4}]
stream.reprioritisation.debug=Connection [{0}], Stream [{1}], Exclusive [{2}], Parent [{3}], Weight [{4}]
stream.reset.fail=Connection [{0}], Stream [{1}], Failed to reset stream
stream.reset.receive=Connection [{0}], Stream [{1}], Reset received due to [{2}]
stream.reset.send=Connection [{0}], Stream [{1}], Reset sent due to [{2}]
stream.trailerHeader.noEndOfStream=Connection [{0}], Stream [{1}], The trailer headers did not include the end of stream flag
stream.writeTimeout=Timeout waiting for client to increase flow control window to permit stream data to be written
streamProcessor.cancel=Connection [{0}], Stream [{1}], The remaining request body is not required.
streamProcessor.error.connection=Connection [{0}], Stream [{1}], An error occurred during processing that was fatal to the connection
streamProcessor.error.stream=Connection [{0}], Stream [{1}], An error occurred during processing that was fatal to the stream
streamProcessor.flushBufferedWrite.entry=Connection [{0}], Stream [{1}], Flushing buffered writes
streamProcessor.service.error=Error during request processing
streamStateMachine.debug.change=Connection [{0}], Stream [{1}], State changed from [{2}] to [{3}]
streamStateMachine.invalidFrame=Connection [{0}], Stream [{1}], State [{2}], Frame type [{3}]
upgradeHandler.allocate.debug=Connection [{0}], Stream [{1}], allocated [{2}] bytes
upgradeHandler.allocate.left=Connection [{0}], Stream [{1}], [{2}] bytes unallocated - trying to allocate to children
upgradeHandler.allocate.recipient=Connection [{0}], Stream [{1}], potential recipient [{2}] with weight [{3}]
upgradeHandler.connectionError=Connection error
upgradeHandler.dependency.invalid=Connection [{0}], Stream [{1}], Streams may not depend on themselves
upgradeHandler.goaway.debug=Connection [{0}], Goaway, Last stream [{1}], Error code [{2}], Debug data [{3}]
upgradeHandler.init=Connection [{0}], State [{1}]
upgradeHandler.initialWindowSize.invalid=Connection [{0}], Illegal value of [{1}] ignored for initial window size
upgradeHandler.invalidPreface=Connection [{0}], Invalid connection preface
upgradeHandler.ioerror=Connection [{0}]
upgradeHandler.noAllocation=Connection [{0}], Stream [{1}], Timeout waiting for allocation
upgradeHandler.noNewStreams=Connection [{0}], Stream [{1}], Stream ignored as no new streams are permitted on this connection
upgradeHandler.pause.entry=Connection [{0}] Pausing
upgradeHandler.pingFailed=Connection [{0}] Failed to send ping to client
upgradeHandler.prefaceReceived=Connection [{0}], Connection preface received from client
upgradeHandler.pruneIncomplete=Connection [{0}], Stream [{1}], Failed to fully prune the connection because there are [{2}] too many active streams
upgradeHandler.pruneStart=Connection [{0}] Starting pruning of old streams. Limit is [{1}] + 10% and there are currently [{2}] streams.
upgradeHandler.pruned=Connection [{0}] Pruned completed stream [{1}]
upgradeHandler.prunedPriority=Connection [{0}] Pruned unused stream [{1}] that may have been part of the priority tree
upgradeHandler.releaseBacklog=Connection [{0}], Stream [{1}] released from backlog
upgradeHandler.rst.debug=Connection [{0}], Stream [{1}], Error [{2}], Message [{3}], RST (closing stream)
upgradeHandler.sendPrefaceFail=Connection [{0}], Failed to send preface to client
upgradeHandler.socketCloseFailed=Error closing socket
upgradeHandler.stream.closed=Stream [{0}] has been closed for some time
upgradeHandler.stream.even=A new remote stream ID of [{0}] was requested but all remote streams must use odd identifiers
upgradeHandler.stream.notWritable=Connection [{0}], Stream [{1}], This stream is not writable
upgradeHandler.stream.old=A new remote stream ID of [{0}] was requested but the most recent stream was [{1}]
upgradeHandler.tooManyRemoteStreams=The client attempted to use more than [{0}] active streams
upgradeHandler.tooMuchOverhead=Connection [{0}], Too much overhead so the connection will be closed
upgradeHandler.unexpectedAck=Connection [{0}], Stream [{1}], A settings acknowledgement was received when not expected
upgradeHandler.upgrade=Connection [{0}], HTTP/1.1 upgrade to stream [1]
upgradeHandler.upgrade.fail=Connection [{0}], HTTP/1.1 upgrade failed
upgradeHandler.upgradeDispatch.entry=Entry, Connection [{0}], SocketStatus [{1}]
upgradeHandler.upgradeDispatch.exit=Exit, Connection [{0}], SocketState [{1}]
upgradeHandler.windowSizeReservationInterrupted=Connection [{0}], Stream [{1}], reservation for [{2}] bytes
upgradeHandler.windowSizeTooBig=Connection [{0}], Stream [{1}], Window size too big
upgradeHandler.writeBody=Connection [{0}], Stream [{1}], Data length [{2}]
upgradeHandler.writeHeaders=Connection [{0}], Stream [{1}]
upgradeHandler.writePushHeaders=Connection [{0}], Stream [{1}], Pushed stream [{2}], EndOfStream [{3}]
windowAllocationManager.dispatched=Connection [{0}], Stream [{1}], Dispatched
windowAllocationManager.notified=Connection [{0}], Stream [{1}], Notified
windowAllocationManager.notify=Connection [{0}], Stream [{1}], Waiting type [{2}], Notify type [{3}]
windowAllocationManager.waitFor.connection=Connection [{0}], Stream [{1}], Waiting for Connection flow control window (blocking) with timeout [{2}]
windowAllocationManager.waitFor.ise=Connection [{0}], Stream [{1}], Already waiting
windowAllocationManager.waitFor.stream=Connection [{0}], Stream [{1}], Waiting for Stream flow control window (blocking) with timeout [{2}]
windowAllocationManager.waitForNonBlocking.connection=Connection [{0}], Stream [{1}], Waiting for Connection flow control window (non-blocking)
windowAllocationManager.waitForNonBlocking.stream=Connection [{0}], Stream [{1}], Waiting for Stream flow control window (non-blocking)
writeStateMachine.endWrite.ise=It is illegal to specify [{0}] for the new state once a write has completed
writeStateMachine.ise=It is illegal to call [{0}()] in state [{1}]

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# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
abstractStream.windowSizeInc=Verbindung [{0}], Stream [{1}], erhöhe Flow Contrrol Window um [{2}] auf [{3}]
connectionPrefaceParser.mismatch=Es wurde eine unerwartete Byte Sequenz beim Start der Client Preface Phase [{0}] empfangen
connectionSettings.debug=Verbindung [{0}], Parameter typ [{1}] gesetzt auf [{2}]
connectionSettings.headerTableSizeLimit=Verbindung [{0}], versuchte die Kopfzeilentabellengröße auf [{1}] zu setzen aber die Grenze liegt bei 16k
hpack.invalidCharacter=Das Unicode Zeichen [{0}] an Code Punkt [{1}] kann nicht kodiert werden, da es außerhalb des erlaubten Bereiches von 0 bis 255 ist.
hpackdecoder.maxMemorySizeExceeded=Die header table Größe [{0}] überschreitet die maximale Größe von [{1}]
hpackdecoder.nullHeader=Null header bei Index [{0}]
http2Parser.headerLimitSize=Verbindung [{0}], Stream [{1}], Gesamt-Header-Größe zu groß
http2Parser.processFrameData.window=Verbindung [{0}], Client hat mehr Daten gesendet als das Stream-Fenster zulässt
http2Parser.processFrameHeaders.decodingDataLeft=Nach der HPACK-Dekodierung sind noch Daten übrig - die hätten verarbeitet sein sollen
stream.header.unknownPseudoHeader=Verbindung [{0}], Stream [{1}], Unbekannten Pseudo-Header [{2}] empfangen
streamProcessor.service.error=Fehler bei der Anfrageverarbeitung
upgradeHandler.ioerror=Verbindung [{0}]
upgradeHandler.pingFailed=Verbindung [{0}] – Das Senden eines ''ping'' zum Klienten schlug fehl.
upgradeHandler.socketCloseFailed=Fehler beim Schließen des Sockets.
upgradeHandler.upgrade=Verbindung [{0}], HTTP/1.1 Upgrade auf Stream [1]
upgradeHandler.upgrade.fail=Verbindung [{0}], HTTP/1.1 upgrade fehlgeschlagen
upgradeHandler.windowSizeTooBig=Verbindung [{0}], Stream [{1}], Fenster-Größe zu groß
upgradeHandler.writeHeaders=Verbindung [{0}], Stream [{1}]

61
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# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
abstractStream.windowSizeInc=\n\
Conexión [{0}], Flujo [{1}], aumente el control de flujo de la ventana en [{2}] para [{3}]\n
connectionPrefaceParser.mismatch=Una sequencia de byte no esperada fue recibida al inicio del prefacio de cliente [{0}]
connectionSettings.debug=Conexión [{0}], Parámetro tipo [{1}] fijado a [{2}]
connectionSettings.headerTableSizeLimit=La conexión [{0}], intentó fijar un tamaño de cabecera de [{1}] pero el límite es 16k\n
connectionSettings.maxFrameSizeInvalid=Conexión [{0}], El tamaño de cuadro máximo solicitado de [{1}] esta fuera del rango permitido de [{2}] hasta [{3}]\n
connectionSettings.unknown=Conexión [{0}], Un parámetro desconocido con identificador [{1}] y valor [{2}] fue ignorado\n
hpack.invalidCharacter=El carácter Unicode [{0}] en el punto del código [{1}] no puede ser codificado al estar fuera del rango permitido de 0 a 255.
http2Parser.headerLimitSize=Conexión [{0}], Flujo [{1}], Tamaño total de la cabecera my grade
http2Parser.headers.wrongStream=La conexión [{0}], tiene cabeceras en progreso para stream [{1}] pero un frame para stream [{2}] fue recibido
http2Parser.preface.invalid=Se presentó un prefacio de conexión inválido
http2Parser.processFrameData.window=Conexión [{0}], El cliente mandó más datos que los permitidos por el flujo de ventana.
http2Parser.processFrameHeaders.decodingDataLeft=Datos sobrantes luego de decodificar HPACK - Estos datos se deberían haber consumido
http2Parser.processFramePushPromise=Conexión [{0}], Flujo [{1}], Push promise frames no deben ser enviadas por el cliente
stream.closed=Conexión [{0}], Flujo [{1}], Imposible escribir en el flujo una vez que ha sido crear
stream.header.debug=Conexión [{0}], Flujo [{1}], cabecera HTTP [{2}], Valor [{3}]\n
stream.header.noPath=Conexión [{0}], Flujo [{1}], El [:path] de la seudo cabecera estaba vacía
stream.header.unknownPseudoHeader=Conexión [{0}], Flujo [{1}], Se recibió una Pseudo cabecera desconocida [{2}]
stream.inputBuffer.reset=Reinicio de flujo
stream.inputBuffer.signal=Se adicionaron datos al inBuffer cuando el hilo esta esperando. Señalizando al hilo que a continuar
stream.reprioritisation.debug=Conexión [{0}], Flujo [{1}], Exclusivo [{2}], Padre [{3}], Peso [{4}]
streamProcessor.error.connection=Conexión [{0}], Flujo [{1}], Ha ocurrido un error el procesamiento que fue fatal para la conexión
streamStateMachine.debug.change=Conexión [{0}], Flujo [{1}], Estado cambió de [{2}] a [{3}]
upgradeHandler.allocate.left=Conexión [{0}], Flujo [{1}], [{2}] bytes no asignados - tratando de asignar en el hijo
upgradeHandler.allocate.recipient=Conexión [{0}], Flujo [{1}], recipiente potencial [{2}] con peso [{3}]
upgradeHandler.ioerror=Conexión [{0}]
upgradeHandler.pingFailed=Conexión [{0}] falló al hacer ping al cliente
upgradeHandler.prefaceReceived=Conexión [{0}], Pre face de conexión recibida del cliente\n
upgradeHandler.pruneIncomplete=La conexión [{0}] Falló al podar completamente la conexión porque existen flujos activos / usados en el árbol de priorida. Existen [{2}] muchos flujos
upgradeHandler.prunedPriority=La conexión [{0}] ha cortado el flujo en desuso [{1}] el cual podía ser parte del árbol prioritario
upgradeHandler.rst.debug=Conexión [{0}], Flujo [{1}], Error [{2}], Mensaje [{3}], RST (cerrando flujo)
upgradeHandler.sendPrefaceFail=La conexión [{0}], Falló al enviar el prefacio al cliente\n
upgradeHandler.socketCloseFailed=Error cerrando el socket
upgradeHandler.stream.even=Un nuevo flujo remoto con ID [{0}] fue solicitado, pero todos los flujos remotos deben usar identificadores raros
upgradeHandler.upgrade=La conexión [{0}], HTTP/1.1 se actualizó al flujo [1]\n
upgradeHandler.upgradeDispatch.entry=Entrada, Conexión [{0}], SocketStatus [{1}]\n
upgradeHandler.upgradeDispatch.exit=Salida, Conexión [{0}], Estado de Socket [{1}]
upgradeHandler.writeHeaders=Conexión [{0}], Flujo [{1}]

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# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
abstractStream.windowSizeDec=Connection [{0}], Flux [{1}], réduction de la fenêtre de contrôle de flux de [{2}] à [{3}]
abstractStream.windowSizeInc=Connection [{0}], Stream [{1}], augmentez la taille de la fenêtre de contrôle de flux de [{2}] à [{3}]
abstractStream.windowSizeTooBig=Connection [{0}], Flux [{1}], L''augmentation de la taille de la fenêtre de [{2}] à [{3}] a excédé le maximum autorisé
connectionPrefaceParser.eos=Fin de flux inattendue lors de la lecture de la préface du client, seuls [{0}] octets ont été lus
connectionPrefaceParser.ioError=Echec de la lecture des octets de la préface du client
connectionPrefaceParser.mismatch=Une séquence inattendue d''octets a été recue au début de la préface client [{0}]
connectionSettings.debug=Connection [{0}], Paramètre type [{1}] mis à [{2}]
connectionSettings.enablePushInvalid=Connection [{0}], La valeur demandée pour activer le push [{1}] n''est pas une de celles permises (zéro ou un)
connectionSettings.headerTableSizeLimit=La Connection [{0}] a essayé de configurer une taille de [{1}] pour la table des en-têtes (headers), mais la limite est 16k
connectionSettings.maxFrameSizeInvalid=Connection [{0}], la taille maximum de trame demandée [{1}] est en-dehors des limites permises [{2}] - [{3}]
connectionSettings.unknown=Connection [{0}], Un paramètre inconnu avec l''identifiant [{1}] et la valeur [{2}] a été ignoré
connectionSettings.windowSizeTooBig=Connection [{0}], La taille de fenêtre demandée [{1}] est plus grande que la valeur maximale autorisée [{2}]
frameType.checkPayloadSize=La taille de données [{0}] n''est pas valide pour une trame de type [{1}]
frameType.checkStream=Type de trame invalide [{0}]
hpack.integerEncodedOverTooManyOctets=Un entier de taille variable de HPACK a été encodé sur trop d''octets, le maximum est de [{0}]
hpack.invalidCharacter=Le caractère Unicode [{0}] ayant le code point [{1}] ne peut être encodé, parce qu''il est en-dehors de l''éventail permis 0-255.
hpackEncoder.encodeHeader=Encodage de l''en-tête [{0}] avec la valeur [{1}]
hpackdecoder.headerTableIndexInvalid=L''index [{0}] dans la table des en-têtes n''est pas valide car il y a [{1}] en-têtes statiques et [{2}] en-têtes dynamiques
hpackdecoder.maxMemorySizeExceeded=La taille de la table des en-têtes [{0}] dépasse la taille maximale [{1}]
hpackdecoder.notImplemented=Pas encore implémenté
hpackdecoder.nullHeader=L''en-tête à l''index [{0}] est nul
hpackdecoder.tableSizeUpdateNotAtStart=Toute mise à jour de la taille de la table doit être faite avant le début d'un bloc d'en-têtes
hpackdecoder.zeroNotValidHeaderTableIndex=Zéro n'est pas un index valide dans la table des en-têtes
hpackhuffman.huffmanEncodedHpackValueDidNotEndWithEOS=La valeur encodée en Huffman dans les en-têtes HPACK n'avait pas de données tampon d'EOS
hpackhuffman.stringLiteralEOS=La valeur encodée en Huffman dans les en-têtes HPACK contenait le symbole d'EOS
hpackhuffman.stringLiteralTooMuchPadding=Plus de 7 bits de données tampon de fin de flux ont été fournis à la fin d'une chaîne encodée avec Huffman
http2Parser.headerLimitCount=Connection [{0}], Slux [{1}], Trop d''en-têtes
http2Parser.headerLimitSize=Connection [{0}], Flux [{1}], La taille totale des en-têtes est trop grosse
http2Parser.headers.wrongFrameType=Connection [{0}], Le traitement des en-têtes est en cours pour le flux [{1}] mais une trame de type [{2}] a été reçue
http2Parser.headers.wrongStream=Connection [{0}], en têtes en cours pour le flux [{1}] mais une trame du flux [{2}] a été reçue
http2Parser.nonZeroPadding=Connection [{0}], Stream [{1}], rembourrage (padding) non-zéro recu
http2Parser.payloadTooBig=La taille des données est de [{0}] octets mais la taille maximale de la trame est de [{1}]
http2Parser.preface.invalid=Une préface de connection invalide a été reçue
http2Parser.preface.io=Impossible de lire la préface de la connection
http2Parser.processFrame=Connection [{0}], Flux [{1}], Type de trame [{2}], Drapeaux [{3}], Taille des données [{4}]
http2Parser.processFrame.tooMuchPadding=Connection [{0}], Flux [{1}], La taille [{2}] des données tampon est trop grosse pour la taille de données [{3}]
http2Parser.processFrame.unexpectedType=Attendu une trame de type [{0}] mais reçu une trame de type [{1}]
http2Parser.processFrameContinuation.notExpected=Connection [{0}], La trame de continuation a été reçue pour le flux [{1}] alors qu''aucun trainement d''en-têtes n''était en cours
http2Parser.processFrameData.lengths=Connection [{0}], Flux [{1}], Taille des données, [{2}], Taille des données tampon [{3}]
http2Parser.processFrameData.window=Connection [{0}], le client a envoyé plus de données que la "stream window" ne le permet
http2Parser.processFrameHeaders.decodingDataLeft=Des données restent après le décodage de HPACK, elles auraient dû être consommées
http2Parser.processFrameHeaders.decodingFailed=Une erreur de décodage HPACK des en-têtes HTTP s'est produite
http2Parser.processFrameHeaders.payload=Connection [{0}], Flux [{1}], Traitement des en-têtes avec une taille de données de [{2}]
http2Parser.processFramePriority.invalidParent=Connection [{0}], Flux [{1}], Un flux ne peut pas dépendre de lui-même
http2Parser.processFramePushPromise=Connexion [{0}], Flux (Stream) [{1}], les trames de promesse d''envoi ("Push promise frames") ne doivent pas être envoyées par le client.
http2Parser.processFrameSettings.ackWithNonZeroPayload=La trame de paramètres a été reçue avec un indicateur ACK activé et des données présentes
http2Parser.processFrameWindowUpdate.debug=Connection [{0}], Flux [{1}], Incrémentation de [{2}] de la taille de fenêtre
http2Parser.processFrameWindowUpdate.invalidIncrement=La trame de mise à jour de la fenêtre a été reçue avec un incrément invalide [{0}]
http2Parser.swallow.debug=Connection [{0}], Flux [{1}], Avalé [{2}] octets
pingManager.roundTripTime=Connection [{0}] Le temps d''aller retour est de [{1}]ns
stream.closed=Connection [{0}], Flux [{1}], Impossible d''écrire sur un flux après sa fermeture
stream.header.case=Connection [{0}], Flux [{1}], Le nom d''en-tête HTTP [{2}] doit être en miniscules
stream.header.connection=Connection [{0}], Flux [{1}], L''en-tête HTTP [connection] n''est pas autorisé dans une requête HTTP/2
stream.header.contentLength=Connection [{0}], Flux [{1}], La valeur de l''en-tête content-length [{2}] ne correspond pas à la taille des données reçue [{3}]
stream.header.debug=Connection [{0}], Flux [{1}], en-tête HTTP [{2}], valeur [{3}]
stream.header.duplicate=Connection [{0}], Flux [{1}], Reçu plusieurs en-têtes [{3}]
stream.header.invalid=Connection [{0}], Flux [{1}], L''en-tête[{2}] contenait la valeur invalide [{3}]
stream.header.noPath=Connection [{0}], flux [{1}], Le [:path] pseudo en-tête est vide
stream.header.required=Connection [{0}], Flux [{1}], Un ou plusieurs en-têtes nécessaires sont manquants
stream.header.te=Connection [{0}], Flux [{1}], L''en-tête HTTP [te] n''est pas autorisé avec la valeur [{2}] dans une requête HTTP/2
stream.header.unexpectedPseudoHeader=Connection [{0}], Flux [{1}], Le pseudo en-tête [{2}] a été reçu après un en-tête normal
stream.header.unknownPseudoHeader=Connection [{0}], Flux [{1}], Un pseudo en-tête inconnu [{2}] a été reçu
stream.inputBuffer.copy=Copide de [{0}] octets depuis inBuffer vers outBuffer
stream.inputBuffer.dispatch=Des données on été ajoutées dans inBuffer alors que la lecture est surveillée, envoi d'un évènement de lecture
stream.inputBuffer.empty=Le tampon d'entrée du flux est vide, attente de données
stream.inputBuffer.readTimeout=Délai d'attente maximum dépassé pendant la lecture des données du client
stream.inputBuffer.reset=Flux réinitialisé
stream.inputBuffer.signal=Des données ont été ajoutées dans inBuffer alors que le thread de lecture attend, cela lui sera signalé
stream.notWritable=Connection [{0}], Flux [{1}], Impossible d''écrire sur ce flux
stream.outputBuffer.flush.debug=Connection [{0}], Flux [{1}], envoi des données mises en tampon depuis la position [{2}], writeInProgress [{3}] et closed [{4}]
stream.reprioritisation.debug=Connection [{0}], Flux [{1}], Exclusive [{2}], Parent [{3}], Poids [{4}]
stream.reset.fail=Connection [{0}], Flux [{1}], Echec de réinitialisation du flux
stream.reset.receive=Connection [{0}], Flux [{1}], Réinitialisation reçue à cause de [{2}]
stream.reset.send=Connection [{0}], Flux [{1}], Réinitialisation envoyée à cause de [{2}]
stream.trailerHeader.noEndOfStream=Connection [{0}], Flux [{1}], Les en-têtes de fin n''incluent pas l''indicateur de fin de flux
stream.writeTimeout=Temps d'attente maximum du client dépassé pour augmenter la fenêtre de contrôle de flux pour permettre l'écriture de données
streamProcessor.cancel=Connection [{0}], Flux [{1}], Le reste du corps de la requête n''est pas nécessaire
streamProcessor.error.connection=Connection [{0}], Stream [{1}], Une erreur s''est produite dans le traitement, fatale pour la connection
streamProcessor.error.stream=Connection [{0}], Flux [{1}], Une erreur d''est produite durant le traitement qui a été fatale au flux
streamProcessor.flushBufferedWrite.entry=Connection [{0}], Flux [{1}], Envoi des écritures mises en tampon
streamProcessor.service.error=Erreur durant le traitement de la requête
streamStateMachine.debug.change=Connection [{0}], Flux [{1}], L’état a changé de [{2}] vers [{3}]
streamStateMachine.invalidFrame=Connection [{0}], Flux [{1}], Etat [{2}], Type de trame [{3}]
upgradeHandler.allocate.debug=Connection [{0}], Flux [{1}], [{2}] octets alloués
upgradeHandler.allocate.left=Connection [{0}], Flux [{1}], [{2}] octets désalloués, essai d''allocation aux enfants
upgradeHandler.allocate.recipient=Connection [{0}], Flux [{1}], receveur potentiel [{2}] avec poids [{3}]
upgradeHandler.connectionError=Erreur de la connection
upgradeHandler.dependency.invalid=Connection [{0}], Flux [{1}], Un flux ne peut dépendre de lui-même
upgradeHandler.goaway.debug=Connection [{0}], Goaway, Dernier flux [{1}], Code d''erreur [{2}], Données de débogage [{3}]
upgradeHandler.init=Connection [{0}], Etat [{1}]
upgradeHandler.initialWindowSize.invalid=Connection [{0}], La valeur [{1}] initiale de la taille de fenêtre est invalide
upgradeHandler.invalidPreface=Connection [{0}], Préface de connection invalide
upgradeHandler.ioerror=Connection [{0}]
upgradeHandler.noAllocation=Connection [{0}], Flux [{1}], Temps d''attente maximum dépassé lors de l''allocation
upgradeHandler.noNewStreams=Connection [{0}], Flux [{1}], Flux ignoré car aucun nouveau flux n''est autorisé sur cette connection
upgradeHandler.pause.entry=Connection [{0}] mise en pause
upgradeHandler.pingFailed=La connection [{0}] a échoué à envoyer un ping au client
upgradeHandler.prefaceReceived=Connection [{0}], préface de la connection recue du client
upgradeHandler.pruneIncomplete=Connexion [{0}], Flux [{1}], Erreur lors de l''élimination complète de la connexion parce que des flux sont encore actifs / utilisés dans l''arbre de priorité, il y a [{2}] flux en trop
upgradeHandler.pruneStart=Connection [{0}] Début de l''élimination des anciens flux, la limite est de [{1}] + 10% et il y a actuellement [{2}] flux
upgradeHandler.pruned=Connection [{0}] Elimination du flux terminé [{1}]
upgradeHandler.prunedPriority=La connexion [{0}] a élagué le flux inutilisé [{1}] qui faisait peut-être partie de l''arbre de priorité
upgradeHandler.releaseBacklog=Connection [{0}], Flux [{1}] enlevée de la file d''attente
upgradeHandler.rst.debug=Connexion [{0}], Flux [{1}], Erreur [{2}], Message [{3}], RST (fermeture du flux)
upgradeHandler.sendPrefaceFail=Connexion [{0}], échec d''envoi de la préface au client
upgradeHandler.socketCloseFailed=Echec de la fermeture du socket
upgradeHandler.stream.closed=Le flux [{0}] a déjà été fermé auparavant
upgradeHandler.stream.even=Un nouvel ID de flux distant (remote stream) [{0}] a été requis, mais tous les flux distants doivent utiliser ID impairs
upgradeHandler.stream.notWritable=Connection [{0}], Flux [{1}], Impossible d''écrire sur ce flux
upgradeHandler.stream.old=Un nouveau flux distant avec l''ID [{0}] a été demandé mais le flux le plus récent est [{1}]
upgradeHandler.tooManyRemoteStreams=Le client a essayé d''utiliser plus de [{0}] flux actifs
upgradeHandler.tooMuchOverhead=Connection [{0}], Le traitement est trop coûteux donc la connection sera fermée
upgradeHandler.unexpectedAck=Connection [{0}], Flux [{1}], Une notification de réception de paramètres a été reçue alors qu''aucune n''était attendue
upgradeHandler.upgrade=Connexion [{0}], HTTP/1.1 transformée en flux [1]
upgradeHandler.upgrade.fail=Connection [{0}], Echec de l''upgrade de HTTP/1.1
upgradeHandler.upgradeDispatch.entry=Entrée, Connection [{0}], SocketStatus [{1}]
upgradeHandler.upgradeDispatch.exit=Sortie, Connection [{0}], SocketState [{1}]
upgradeHandler.windowSizeReservationInterrupted=Connection [{0}], Flux [{1}], réservé [{2}] octets
upgradeHandler.windowSizeTooBig=Connection [{0}], Flux [{1}], La taille de la fenêtre est trop grosse
upgradeHandler.writeBody=Connection [{0}], Flux [{1}], Taille des données [{2}]
upgradeHandler.writeHeaders=Connection [{0}], Stream [{1}]
upgradeHandler.writePushHeaders=Connection [{0}], Flux [{1}], Flux de push [{2}], EndOfStream [{3}]
windowAllocationManager.dispatched=Connection [{0}], Flux [{1}], Envoyé
windowAllocationManager.notified=Connection [{0}], Flux [{1}], Notifié
windowAllocationManager.notify=Connection [{0}], Flux [{1}], Attente de type [{2}], Notification de type [{3}]
windowAllocationManager.waitFor.connection=Connection [{0}], Flux [{1}], Attente d''une fenêtre de contrôle de flux de Connection (bloquante) avec une délai maximum d''attente de [{2}]
windowAllocationManager.waitFor.ise=Connection [{0}], Flux [{1}], Déjà en train d''attendre
windowAllocationManager.waitFor.stream=Connection [{0}], Flux [{1}], Attente d''une fenêtre de contrôle de flux de Flux (bloquante) avec une délai maximum d''attente de [{2}]
windowAllocationManager.waitForNonBlocking.connection=Connection [{0}], Flux [{1}], Attente d''une fenêtre de contrôle de flux de Connection (non bloquante)
windowAllocationManager.waitForNonBlocking.stream=Connection [{0}], Flux [{1}], Attente d''une fenêtre de contrôle de flux de Flux (non bloquante)
writeStateMachine.endWrite.ise=il est illégal de spécifier [{0}] pour le nouvel état dès lors qu''une écriture s''est terminée
writeStateMachine.ise=Il est illégal d'appeler [{0}()] dans l'état [{1}]

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# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
abstractStream.windowSizeDec=コネクション[{0}]、ストリーム[{1}]、フロー制御ウィンドウを[{2}]ずつ[{3}]に縮小
abstractStream.windowSizeInc=コネクション [{0}]、ストリーム [{1}]、フロー制御ウインドウを [{2}] から [{3}] に増加します。
abstractStream.windowSizeTooBig=コネクション[{0}]、ストリーム[{1}]、[{2}]のウィンドウサイズが許容最大値を超える[{3}]に増加しました。
connectionPrefaceParser.eos=オープニングクライアントPrefaceのバイトシーケンスを読み取っているときに予期しないストリームの終わりが発生しました。 [{0}]バイトだけが読み込まれます。
connectionPrefaceParser.ioError=オープニングクライアントPreface のバイトシーケンスの読み取りに失敗しました。
connectionPrefaceParser.mismatch=コネクションプリフェイス [{0}] の先頭に未知のバイト列を受信しました。
connectionSettings.debug=コネクション [{0}]、パラメータ [{1}] に [{2}] を設定しました。
connectionSettings.enablePushInvalid=コネクション[{0}]、有効プッシュ[{1}]にリクエストされた値が許容値（0または1）のいずれでもありません。
connectionSettings.headerTableSizeLimit=コネクション [{0}]、ヘッダーテーブルサイズに [{1}] を指定されましたが上限は 16k です。
connectionSettings.maxFrameSizeInvalid=コネクション [{0}]、要求された最大フレームサイズ [{1}] は可能な範囲の [{2}] から [{3}] を超えています。
connectionSettings.unknown=コネクション [{0}]、未知の設定名 [{1}] の値 [{2}] を無視しました。
connectionSettings.windowSizeTooBig=コネクション [{0}]、要求されたウインドウサイズ [{1}] は上限値 [{2}] を越えています。
frameType.checkPayloadSize=[{0}]のペイロードサイズがフレームタイプ[{1}]に無効です
frameType.checkStream=無効なフレームタイプ[{0}]
hpack.integerEncodedOverTooManyOctets=エンコードされたHPACK可変長整数は多くのオクテットを超過。最大値は[{0}]
hpack.invalidCharacter=コードポイント [{1}] のユニコード文字 [{0}] は有効範囲 0 から 255 の範囲外のため、エンコードできません。
hpackEncoder.encodeHeader=ヘッダー[{0}]を値[{1}]でエンコードしています
hpackdecoder.headerTableIndexInvalid=[{1}]静的エントリと[{2}]動的エントリが存在するため、ヘッダーテーブルインデックス[{0}]は無効です。
hpackdecoder.notImplemented=まだ実装されていません。
hpackdecoder.tableSizeUpdateNotAtStart=すべてのテーブルサイズの更新はヘッダーブロックの先頭に送信する必要があります。
hpackdecoder.zeroNotValidHeaderTableIndex=ゼロは有効なヘッダーテーブルインデックスではありません。
hpackhuffman.huffmanEncodedHpackValueDidNotEndWithEOS=HPACK ヘッダーのハフマン符号化した値は EOS パディングで終了していません。
hpackhuffman.stringLiteralTooMuchPadding=Huffman 符号化された文字列リテラルの終わりに、7ビット以上のEOSパディングが提供されました。
http2Parser.headerLimitCount=コネクション [{0}]、ストリーム [{1}]、ヘッダーが多すぎます。
http2Parser.headerLimitSize=コネクション [{0}]、ストリーム [{1}]、合計ヘッダーサイズが大きすぎます。
http2Parser.headers.wrongFrameType=コネクション[{0}]、ストリーム[{1}]の進行中のヘッダー、しかしタイプ[{2}]のフレームが受信されました。
http2Parser.headers.wrongStream=接続[{0}]、ストリーム[{1}]のヘッダ処理中にストリーム[{2}]のフレームが受信されました
http2Parser.nonZeroPadding=コネクション[{0}]、ストリーム[{1}]、非ゼロのパディングを受信しました。
http2Parser.payloadTooBig=ペイロードの長さは[{0}]バイトですが、最大フレームサイズは[{1}]です
http2Parser.preface.invalid=無効なコネクションpreface が提示されました
http2Parser.preface.io=コネクションprefaceを読むことができません。
http2Parser.processFrame=コネクション[{0}]、ストリーム[{1}]、フレームタイプ[{2}]、フラグ[{3}]、ペイロードサイズ[{4}]
http2Parser.processFrame.tooMuchPadding=コネクション [{0}]、ストリーム [{1}]、ペイロード [{3}] に対してパディング長 [{2}] は大きすぎます。
http2Parser.processFrame.unexpectedType=予想されるフレームタイプ[{0}]、しかし受信されたフレームタイプ[{1}]
http2Parser.processFrameContinuation.notExpected=コネクション[{0}]、進行中のヘッダーがないときにストリーム[{1}]のContinuationフレームが受信されました
http2Parser.processFrameData.lengths=コネクション[{0}]、ストリーム[{1}]、データ長、[{2}]、パディング長[{3}]
http2Parser.processFrameData.window=コネクション [{0}]、クライアントはストリームウインドウサイズより大きなデータを送信しました。
http2Parser.processFrameHeaders.decodingDataLeft=HPAC をデコードしたのにデータが残っています。すべて使用するべきです。
http2Parser.processFrameHeaders.decodingFailed=HTTP ヘッダーの HPACK 復号化中にエラーが発生しました。
http2Parser.processFrameHeaders.payload=コネクション[{0}]、ストリーム[{1}]、サイズ[{2}]のヘッダーペイロードを処理中
http2Parser.processFramePriority.invalidParent=コネクション[{0}]、ストリーム[{1}]、ストリーム自体に依存しない可能性があります。
http2Parser.processFramePushPromise=コネクション [{0}]、ストリーム [{1}]、クライアントから PUSH_PROMISE フレームを送信するべきではありません。
http2Parser.processFrameSettings.ackWithNonZeroPayload=ACKフラグがセットされ、ペイロードが存在する状態で受信されたSettingsフレーム
http2Parser.processFrameWindowUpdate.debug=コネクション [{0}]、ストリーム [{1}]、ウインドウサイズを [{2}] に拡大します。
http2Parser.processFrameWindowUpdate.invalidIncrement=無効な増分サイズ[{0}]で受信されたWindow Updateフレーム
http2Parser.swallow.debug=コネクション[{0}]、ストリーム[{1}]、飲み込まれた[{2}]バイト
pingManager.roundTripTime=コネクション [{0}] の往復時間は [{1}] ns でした。
stream.closed=コネクション [{0}]、ストリーム [{1}]、切断したストリームには書き込みできません。
stream.header.case=コネクション [{0}]、ストリーム [{1}]、HTTP ヘッダー名 [{2}] は小文字でなければなりません。
stream.header.connection=コネクション [{0}]、ストリーム [{1}]、HTTP/2 のリクエストには HTTP ヘッダー [connection] を指定することはできません。
stream.header.contentLength=コネクション [{0}]、ストリーム [{1}]、content length ヘッダーの値 [{2}] と受信したデータ長 [{3}] は一致しません。
stream.header.debug=コネクション [{0}]、ストリーム [{1}]、HTTP ヘッダー [{2}]、値は [{3}]
stream.header.duplicate=コネクション [{0}]、ストリーム [{1}]、ヘッダー [{3}] を複数受信しました。
stream.header.invalid=コネクション [{0}]、ストリーム [{1}]、ヘッダー [{2}] に不正な値 [{3}] が含まれています。
stream.header.noPath=コネクション [{0}]、ストリーム [{1}]、疑似ヘッダー [:path] が空です。
stream.header.required=コネクション [{0}]、ストリーム [{1}]、１つ以上の必須ヘッダがありません。
stream.header.te=コネクション [{0}]、ストリーム [{1}]、HTTP/2 のリクエストでは HTTP ヘッダー [te] の値に [{2}] を指定できません。
stream.header.unexpectedPseudoHeader=コネクション [{0}]、ストリーム [{1}]、通常のヘッダーの後に疑似ヘッダー [{2}] を受信しました。
stream.header.unknownPseudoHeader=コネクション [{0}]、ストリーム [{1}]、未知の疑似ヘッダー [{2}] を受信しました。
stream.inputBuffer.copy=入力バッファーから出力バッファーへコピーしたのは [{0}] バイトです。
stream.inputBuffer.dispatch=read interest が登録されると、inBufferにデータが追加されます。 読み取りディスパッチをトリガします。
stream.inputBuffer.empty=ストリーム入力バッファが空です。 より多くのデータを待っています。
stream.inputBuffer.readTimeout=クライアントからデータを読み取る待機中のタイムアウト
stream.inputBuffer.reset=ストリームリセット
stream.inputBuffer.signal=読み込みスレッドが待機している間に inBuffer へデータが追加されました。スレッドへ処理の再開を通知しす。
stream.notWritable=コネクション [{0}]、ストリーム [{1}]、このストリームには書き込みできません。
stream.outputBuffer.flush.debug=コネクション[{0}]、ストリーム[{1}]、バッファポジション[{2}]で出力をフラッシュ、writeInProgress [{3}]、クローズ[{4}]
stream.reprioritisation.debug=コネクション[{0}]、ストリーム[{1}]、排他[{2}]、Parent[{3}]、重み[{4}]
stream.reset.fail=コネクション [{0}]、ストリーム [{1}]、ストリームをリセットできません。
stream.reset.receive=コネクション[{0}]、ストリーム[{1}]、[{2}]のために受信されたリセット
stream.reset.send=コネクション [{0}]、ストリーム [{1}]、[{2}] が原因で RESET を送信しました。
stream.trailerHeader.noEndOfStream=コネクション[{0}]、ストリーム[{1}]、trailer ヘッダーにストリーム終了フラグが含まれていません。
stream.writeTimeout=クライアントがストリームデータの書き込みを許可するためにフロー制御ウィンドウを増やすのを待つタイムアウト
streamProcessor.error.connection=コネクション[{0}]、ストリーム[{1}]、コネクションに致命的なエラーが処理中に発生しました。
streamProcessor.error.stream=コネクション[{0}]、ストリーム[{1}]、処理中にストリームに致命的なエラーが発生しました。
streamProcessor.flushBufferedWrite.entry=コネクション [{0}]、ストリーム [{1}]、書き込み用バッファをフラッシュします。
streamProcessor.service.error=リクエスト処理中のエラー
streamStateMachine.debug.change=コネクション [{0}]、ストリーム [{1}]、状態を [{2}] から [{3}] へ変更しました。
streamStateMachine.invalidFrame=コネクション [{0}]、ストリーム [{1}]、状態 [{2}]、フレーム種類 [{3}]
upgradeHandler.allocate.debug=コネクション[{0}]、ストリーム[{1}]、割り当てられた[{2}]バイト
upgradeHandler.allocate.left=コネクション[{0}]、ストリーム[{1}]、[{2}]バイトが未割り当て - 子への割り当てを試みています。
upgradeHandler.allocate.recipient=コネクション[{0}]、ストリーム[{1}]、重み[{3}]の潜在的な受信者[{2}]
upgradeHandler.connectionError=接続エラー
upgradeHandler.dependency.invalid=コネクション [{0}]、ストリーム [{1}]、ストリームは自分自身に依存するべきではありません。
upgradeHandler.goaway.debug=コネクション[{0}]、Goaway、最終ストリーム[{1}]、エラーコード[{2}]、デバッグデータ[{3}]
upgradeHandler.init=コネクション[{0}]、状態[{1}]
upgradeHandler.initialWindowSize.invalid=コネクション[{0}]、[{1}]の無効な値は初期ウィンドウサイズで無視されました
upgradeHandler.invalidPreface=コネクション[{0}]、無効なConnection Preface
upgradeHandler.ioerror=コネクション[{0}]
upgradeHandler.noNewStreams=コネクション [{0}]、ストリーム [{1}]、このコネクションには新しいストリームを作成できないためストリームを無視します。
upgradeHandler.pause.entry=コネクション[{0}] 一時停止中
upgradeHandler.pingFailed=コネクション [{0}]、クライアントへ ping を送信できません。
upgradeHandler.prefaceReceived=コネクション [{0}]、クライアントからコネクションプリフェイスを受信しました。
upgradeHandler.pruneIncomplete=コネクション [{0}]、コネクションを削除できませんでした。ストリームが有効である、あるいは、優先度木に登録されているからです。現在のストリーム数 [{2}] は多すぎます。
upgradeHandler.pruneStart=コネクション[{0}] 古いストリームのプルーニングを開始します。 上限は[{1}] + 10％で、現在[{2}]ストリームがあります。
upgradeHandler.pruned=コネクション [{0}]、完了したストリーム [{1}] は削除します。
upgradeHandler.prunedPriority=コネクション [{0}]、優先度木に登録されていた可能性のある未使用のストリーム [{1}] を取り除きました。
upgradeHandler.releaseBacklog=コネクション[{0}]、ストリーム[{1}]はバックログから解放されました。
upgradeHandler.rst.debug=コネクション [{0}]、ストリーム [{1}]、エラー [{2}]、メッセージ [{3}]、RST(ストリームを切断します)
upgradeHandler.sendPrefaceFail=コネクション [{0}]、クライアントにプリフェイスを送信できませんでした。
upgradeHandler.socketCloseFailed=ソケットの切断に失敗しました。
upgradeHandler.stream.closed=ストリーム[{0}]がしばらく閉じられていました
upgradeHandler.stream.even=新しいリモートストリーム ID [{0}] を要求されましたがリモートストリームの ID は奇数でなければなりません。
upgradeHandler.stream.notWritable=コネクション[{0}]、ストリーム[{1}]、このストリームは書き込み可能ではありません
upgradeHandler.stream.old=新しいリモートストリーム ID [{0}] を要求されましたが、最新のストリームは [{1}] です。
upgradeHandler.tooManyRemoteStreams=クライアントは[{0}]以上のアクティブなストリームを使用しようとしました
upgradeHandler.tooMuchOverhead=Connection [{0}]、オーバーヘッドが多すぎるため、接続が閉じられます。
upgradeHandler.unexpectedAck=コネクション[{0}]、ストリーム[{1}]、予期しないときにsettings ackを受信しました。
upgradeHandler.upgrade=コネクション[{0}]、ストリーム[1]へのHTTP / 1.1 upgrade
upgradeHandler.upgrade.fail=コネクション[{0}]、HTTP / 1.1のアップグレードに失敗しました
upgradeHandler.upgradeDispatch.entry=エントリ、コネクション[{0}]、ソケット状態 [{1}]
upgradeHandler.upgradeDispatch.exit=終了、コネクション[{0}]、ソケット状態[{1}]
upgradeHandler.windowSizeReservationInterrupted=コネクション[{0}]、ストリーム[{1}]、[{2}]バイトの予約
upgradeHandler.windowSizeTooBig=コネクション[{0}]、ストリーム[{1}]、ウィンドウサイズが大きすぎます
upgradeHandler.writeBody=コネクション [{0}]、ストリーム [{1}]、データ長 [{2}]
upgradeHandler.writeHeaders=コネクション [{0}], ストリーム [{1}]
upgradeHandler.writePushHeaders=コネクション[{0}]、ストリーム[{1}]、プッシュされたストリーム[{2}]、EndOfStream [{3}]
writeStateMachine.endWrite.ise=書き込みが完了したら新しい状態に[{0}]を指定するのは不正です。
writeStateMachine.ise=状態[{1}]の[{0}()]を呼び出すことは不正です。

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# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
abstractStream.windowSizeDec=연결 [{0}], 스트림 [{1}], flow control 윈도우를 [{2}] 만큼 줄여 [{3}]에 이르게 합니다.
abstractStream.windowSizeInc=연결 [{0}], 스트림 [{1}]: Flow control 윈도우를 [{2}] 만큼 증가시켜 윈도우 크기가 [{3}]이(가) 되도록 합니다.
abstractStream.windowSizeTooBig=연결 [{0}], 스트림 [{1}], 윈도우 크기를 [{2}] 만큼 증가시켜 [{3}](으)로 만들었으나, 이는 허용된 최대값을 초과했습니다.
connectionPrefaceParser.eos=개시되는 클라이언트 preface 바이트 시퀀스를 읽는 동안, 예기치 않은 스트림의 끝. 단지 [{0}] 바이트만을 읽음.
connectionPrefaceParser.ioError=개시되는 클라이언트 preface 바이트 시퀀스를 읽지 못했습니다.
connectionPrefaceParser.mismatch=해당 client preface [{0}]의 시작 부분에서 예기치 않은 바이트 시퀀스를 받았습니다.
connectionSettings.debug=연결 [{0}]: 파라미터 타입 [{1}]을(를) [{2}](으)로 설정함.
connectionSettings.enablePushInvalid=연결 [{0}], enablePush를 위해 요청된 값 [{1}]은(는), 허용된 값들(0 또는 1) 중의 하나가 아닙니다.
connectionSettings.headerTableSizeLimit=연결 [{0}]: 헤더 테이블 크기로 [{1}]을(를) 설정하려 시도했으나, 한계값은 16k입니다.
connectionSettings.maxFrameSizeInvalid=연결 [{0}]: [{1}]의 요청된 최대 프레임 크기가 허용된 범위([{2}] - [{3}])의 바깥에 존재합니다.
connectionSettings.unknown=연결 [{0}]: 식별자가 [{1}](이)고 값이 [{2}]인 알 수 없는 설정이 무시되었습니다.
connectionSettings.windowSizeTooBig=연결 [{0}]: 요청된 윈도우 크기 [{1}]이(가) 최대 허용치 [{2}] 보다 큽니다.
frameType.checkPayloadSize=Payload의 크기 [{0}]은(는) 프레임 타입 [{1}]을(를) 위해 유효하지 않습니다.
frameType.checkStream=유효하지 않은 프레임 타입 [{0}]
hpack.integerEncodedOverTooManyOctets=HPACK 가변 길이 정수가 너무 많은 옥텟(octet)들로 인코딩되어 있습니다. 최대 길이는 [{0}]입니다.
hpack.invalidCharacter=code point [{1}]에 위치한 유니코드 문자 [{0}]은(는), 0에서 255까지의 허용 범위 바깥에 있으므로 인코딩될 수 없습니다.
hpackEncoder.encodeHeader=인코딩 헤더 [{0}]와(과) 그의 값 [{1}]
hpackdecoder.headerTableIndexInvalid=[{1}]개의 정적 엔트리들과 [{2}]개의 동적 엔트리들이 존재하기에, 헤더 테이블 인덱스 [{0}]은(는) 유효하지 않습니다.
hpackdecoder.maxMemorySizeExceeded=헤더 테이블 크기 [{1}]이(가) 최대 크기 [{1}]을(를) 초과합니다.
hpackdecoder.notImplemented=아직 구현 안됨
hpackdecoder.nullHeader=인덱스가 [{0}]인 위치에 널 헤더가 존재합니다.
hpackdecoder.tableSizeUpdateNotAtStart=테이블 크기 변경은, 반드시 헤더 블록의 시작 시에 전송되어야만 합니다.
hpackdecoder.zeroNotValidHeaderTableIndex=0은 유효한 헤더 테이블 인덱스가 아닙니다.
hpackhuffman.huffmanEncodedHpackValueDidNotEndWithEOS=HPACK 헤더들 내의 Huffman 알고리즘으로 인코딩된 값이, EOS padding으로 끝나지 않았습니다.
hpackhuffman.stringLiteralEOS=HPACK 헤더들 내의 Huffman 알고리즘으로 인코딩된 값이, EOS 부호를 포함했습니다.
hpackhuffman.stringLiteralTooMuchPadding=Huffman 알고리즘으로 인코딩된 문자열의 끝에 7 비트를 초과한 EOS padding입니다.
http2Parser.headerLimitCount=연결 [{0}], 스트림 [{1}], 너무 많은 헤더들이 있음
http2Parser.headerLimitSize=연결 [{0}], 스트림 [{1}], 전체 헤더 크기가 너무 큽니다.
http2Parser.headers.wrongFrameType=연결 [{0}], 스트림 [{1}]을(를) 위한 헤더들이 진행중이지만, 타입 [{2}]의 프레임을 받았습니다.
http2Parser.headers.wrongStream=연결 [{0}]: 스트림 [{1}]의 헤더들을 처리하는 과정에서, 스트림 [{2}]의 프레임을 받았습니다.
http2Parser.nonZeroPadding=연결 [{0}], 스트림 [{1}], 0이 아닌 padding을 받았습니다.
http2Parser.payloadTooBig=Payload의 길이가 [{0}]바이트이지만, 최대 프레임 크기는 [{1}]입니다.
http2Parser.preface.invalid=유효하지 않은 연결 preface 이(가) 제공되었습니다.
http2Parser.preface.io=연결 preface를 읽을 수 없습니다.
http2Parser.processFrame=연결 [{0}], 스트림 [{1}], 프레임 타입 [{2}], 플래그들 [{3}], Payload 크기 [{4}]
http2Parser.processFrame.tooMuchPadding=연결 [{0}], 스트림 [{1}], padding 길이 [{2}]은(는) payload [{3}]을(를) 위해 너무 큽니다.
http2Parser.processFrame.unexpectedType=프레임 타입 [{0}]이(가) 요구되었으나, 프레임 타입 [{1}]을(를) 받았습니다.
http2Parser.processFrameContinuation.notExpected=연결 [{0}]: 헤더들이 아무 것도 진행되지 않은 상태에서, 스트림 [{1}]을(를) 위한 Continuation 프레임을 받았습니다.
http2Parser.processFrameData.lengths=연결 [{0}], 스트림 [{1}], 데이터 길이, [{2}], Padding 길이 [{3}]
http2Parser.processFrameData.window=연결 [{0}]: 클라이언트가 스트림 윈도우가 허용하는 데이터 크기보다 더 많은 데이터를 전송했습니다.
http2Parser.processFrameHeaders.decodingDataLeft=HPACK 디코딩 후 남아있는 데이터 - 반드시 소비되었어야 합니다.
http2Parser.processFrameHeaders.decodingFailed=HTTP 헤더들의 HPACK 디코딩 과정에서 오류가 있었습니다.
http2Parser.processFrameHeaders.payload=연결 [{0}], 스트림 [{1}], 크기가 [{2}]인 헤더들의 payload를 처리합니다.
http2Parser.processFramePriority.invalidParent=연결 [{0}], 스트림 [{1}], 스트림이 그 자신을 의존할 수는 없습니다.
http2Parser.processFramePushPromise=연결 [{0}], 스트림 [{1}], Push promise 프레임들이 클라이언트에 의해 전송되어서는 안됩니다.
http2Parser.processFrameSettings.ackWithNonZeroPayload=ACK 플래그가 설정되고 payload가 존재하는, Settings 프레임을 받았습니다.
http2Parser.processFrameWindowUpdate.debug=연결 [{0}], 스트림 [{1}], 윈도우 크기를 [{2}] 만큼 증가 시킵니다.
http2Parser.processFrameWindowUpdate.invalidIncrement=유효하지 않은 증분 크기인 [{0}]와(과) 함께, 윈도우 변경 프레임을 받았습니다.
http2Parser.swallow.debug=연결 [{0}], 스트림 [{1}], [{2}] 바이트를 처리하지 않고 건너뛰었습니다.
pingManager.roundTripTime=연결 [{0}]: 라운드 트립 시간이 [{1}] 나노초(ns)로 측정되었습니다.
stream.closed=연결 [{0}], 스트림 [{1}], 한번 닫힌 스트림에 쓰기를 할 수 없습니다.
stream.header.case=연결 [{0}], 스트림 [{1}], HTTP 헤더 이름 [{2}]은(는) 반드시 소문자여야 합니다.
stream.header.connection=연결 [{0}], 스트림 [{1}], HTTP 헤더 [connection]은 HTTP/2 요청에서 허용되지 않습니다.
stream.header.contentLength=연결 [{0}], 스트림 [{1}], 해당 Content-Length 헤더 값 [{2}]은(는) 수신된 데이터의 크기 [{3}]와(과) 일치하지 않습니다.
stream.header.debug=연결 [{0}], 스트림 [{1}], HTTP 헤더: [{2}], 값: [{3}]
stream.header.duplicate=연결 [{0}], 스트림 [{1}], 여러 개의 [{3}] 헤더들을 받았습니다.
stream.header.invalid=연결 [{0}], 스트림 [{1}], 헤더 [{2}]이(가) 유효하지 않은 값을 포함했습니다: [{3}]
stream.header.noPath=연결 [{0}], 스트림 [{1}], [:path] 가상 헤더가 비어 있었습니다.
stream.header.required=연결 [{0}], 스트림 [{1}], 하나 이상의 필수 헤더들이 없습니다.
stream.header.te=연결 [{0}], 스트림 [{1}], HTTP/2 요청에서, HTTP 헤더 [te]이(가) 값 [{2}]을(를) 갖는 것은 허용되지 않습니다.
stream.header.unexpectedPseudoHeader=연결 [{0}], 스트림 [{1}], 정규 헤더 다음에 가상 헤더 [{2}]을(를) 받았습니다.
stream.header.unknownPseudoHeader=연결 [{0}], 스트림 [{1}], 알 수 없는 가상 헤더 [{2}]을(를) 받았습니다.
stream.inputBuffer.copy=[{0}] 바이트를 inBuffer에서 outBuffer로 복사합니다.
stream.inputBuffer.dispatch=readInterest가 등록될 때, 데이터가 inBuffer에 추가되었습니다. 읽기 디스패치를 개시합니다.
stream.inputBuffer.empty=스트림의 입력 버퍼가 비어 있습니다. 더 많은 데이터를 기다립니다.
stream.inputBuffer.readTimeout=클라이언트로부터 데이터를 읽기를 일정 시간 동안 기다리는 중입니다.
stream.inputBuffer.reset=스트림이 재설정(reset)되었습니다.
stream.inputBuffer.signal=읽기 쓰레드가 대기하는 동안 inBuffer에 데이터가 추가되었습니다. 해당 쓰레드가 읽기를 계속하도록 시그널을 보냅니다.
stream.notWritable=연결 [{0}], 스트림 [{1}], 이 스트림은 쓰기 가능하지 않습니다.
stream.outputBuffer.flush.debug=연결 [{0}], 스트림 [{1}], 위치 [{2}]의 버퍼를 출력으로 배출합니다. 쓰기 진행 중 여부: [{3}],닫힘 여부: [{4}]
stream.reprioritisation.debug=연결 [{0}], 스트림 [{1}], 배타성 [{2}], 부모 [{3}], 가중치 [{4}]
stream.reset.fail=연결 [{0}], 스트림 [{1}], 스트림을 재설정(reset)하지 못했습니다.
stream.reset.receive=연결 [{0}], 스트림 [{1}], [{2}](으)로 인해 재설정(reset)을 받았습니다.
stream.reset.send=연결 [{0}], 스트림 [{1}], [{2}](으)로 인하여 재설정(reset)이 전송되었음.
stream.trailerHeader.noEndOfStream=연결 [{0}], 스트림 [{1}], Trailer 헤더들이 스트림의 끝 플래그를 포함하지 않았습니다.
stream.writeTimeout=스트림 데이터가 쓰여지도록 허용하기 위한 흐름 제어 (flow control) 윈도우를, 클라이언트가 증가시키기를 일정 시간 동안 기다리는 중입니다.
streamProcessor.cancel=연결 [{0}], 스트림 [{1}], 요청의 body가 완전히 읽히지 않고 남아 있어, 더 이상 데이터는 불필요합니다.
streamProcessor.error.connection=연결 [{0}], 스트림 [{1}]: 처리 중 해당 연결에 심각한 오류 발생
streamProcessor.error.stream=연결 [{0}], 스트림 [{1}], 처리 중 스트림에 치명적인 오류가 발생했습니다.
streamProcessor.flushBufferedWrite.entry=연결 [{0}], 스트림 [{1}], 버퍼에 쓰여진 데이터를 배출합니다.
streamProcessor.service.error=요청 처리 중 오류 발생
streamStateMachine.debug.change=연결 [{0}], 스트림 [{1}], 상태가 [{2}]에서 [{3}](으)로 변경됨.
streamStateMachine.invalidFrame=연결 [{0}], 스트림 [{1}], 상태 [{2}], 프레임 타입 [{3}]
upgradeHandler.allocate.debug=연결 [{0}], 스트림 [{1}], [{2}] 바이트를 할당함.
upgradeHandler.allocate.left=연결 [{0}], 스트림 [{1}], [{2}] 바이트들이 할당 해제되었습니다 - 자식들에 할당하려 시도합니다.
upgradeHandler.allocate.recipient=연결 [{0}], 스트림 [{1}], 가중치 [{3}]의 잠재적 수신자 [{2}]
upgradeHandler.connectionError=연결 오류
upgradeHandler.dependency.invalid=연결 [{0}], 스트림 [{1}], 스트림들은 자기 자신들에 의존해서는 안됩니다.
upgradeHandler.goaway.debug=연결 [{0}], Goaway, 마지막 스트림 [{1}], 오류 코드 [{2}], 디버그 데이터 [{3}]
upgradeHandler.init=연결 [{0}], 상태 [{1}]
upgradeHandler.initialWindowSize.invalid=연결 [{0}]: 값 [{1}]은(는), 초기 윈도우 크기로서 불허되므로, 무시됩니다.
upgradeHandler.invalidPreface=연결 [{0}]: 유효하지 않은 연결 preface
upgradeHandler.ioerror=연결 [{0}]
upgradeHandler.noAllocation=연결 [{0}], 스트림 [{1}], 연결 할당을 위해 대기하는 중 제한 시간 초과 되었습니다.
upgradeHandler.noNewStreams=연결 [{0}], 스트림 [{1}], 이 연결에는 새로운 스트림들이 허용되지 않기에, 스트림이 무시되었습니다.
upgradeHandler.pause.entry=연결 [{0}]이(가) 일시 정지 중
upgradeHandler.pingFailed=연결 [{0}]: 클라이언트에 ping 메시지를 보내지 못했습니다.
upgradeHandler.prefaceReceived=연결 [{0}]: 연결 preface를 클라이언트로부터 받았습니다.
upgradeHandler.pruneIncomplete=연결 [{0}]: 스트림들이 Priority tree에서 활성화되어 있거나 사용되고 있기 때문에, 해당 연결을 완전히 제거하지 못했습니다. 너무 많은 스트림들이 존재합니다: [{2}].
upgradeHandler.pruneStart=연결 [{0}]: 이전 스트림들에 대한 가지치기를 시작합니다. 한계값은 [{1}] + 10%이고, 현재 [{2}]개의 스트림들이 존재합니다.
upgradeHandler.pruned=연결 [{0}]이(가) 완료된 스트림 [{1}]을(를) 제거했습니다.
upgradeHandler.prunedPriority=연결 [{0}]이(가) 사용되지 않는 스트림 [{1}]을(를) 제거합니다. 해당 스트림은 priority tree의 일부였을 수 있습니다.
upgradeHandler.releaseBacklog=연결 [{0}], 스트림 [{1}]이(가) 백로그로부터 해제되었습니다.
upgradeHandler.rst.debug=연결 [{0}], 스트림 [{1}], 오류 [{2}], 메시지 [{3}], RST (스트림을 닫습니다)
upgradeHandler.sendPrefaceFail=연결 [{0}]: 클라이언트에 preface를 전송하지 못했습니다.
upgradeHandler.socketCloseFailed=소켓을 닫는 중 오류 발생
upgradeHandler.stream.closed=스트림 [{0}]이(가) 얼마 동안 이미 닫혀 있었습니다.
upgradeHandler.stream.even=[{0}]의 새로운 원격 스트림 ID가 요청되었으나, 모든 원격 스트림은 반드시 홀수의 ID를 사용해야 합니다.
upgradeHandler.stream.notWritable=연결 [{0}], 스트림 [{1}], 이 스트림은 쓰기 가능하지 않습니다.
upgradeHandler.stream.old=새로운 원격 스트림 ID [{0}]이(가) 요청되었지만, 가장 최근의 스트림은 [{1}]이었습니다.
upgradeHandler.tooManyRemoteStreams=클라이언트가, 활성화된 스트림들을 [{0}]개를 초과하여 사용하려 시도했습니다.
upgradeHandler.tooMuchOverhead=연결 [{0}]: 너무 많은 오버헤드로 인하여 연결이 닫힐 것입니다.
upgradeHandler.unexpectedAck=연결 [{0}], 스트림 [{1}], 예기치 않은 상황에서 settings acknowledgement를 받았습니다.
upgradeHandler.upgrade=연결 [{0}]: HTTP/1.1이 스트림 [1](으)로 업그레이드됩니다.
upgradeHandler.upgrade.fail=연결 [{0}], HTTP/1.1 업그레이드 실패
upgradeHandler.upgradeDispatch.entry=엔트리, 연결 [{0}], SocketStatus [{1}]
upgradeHandler.upgradeDispatch.exit=Exit, 연결 [{0}], SocketState [{1}]
upgradeHandler.windowSizeReservationInterrupted=연결 [{0}], 스트림 [{1}], 예비하려 한 바이트 크기: [{2}]
upgradeHandler.windowSizeTooBig=연결 [{0}], 스트림 [{1}], 윈도우 크기가 너무 큽니다.
upgradeHandler.writeBody=연결 [{0}], 스트림 [{1}], 데이터 길이 [{2}]
upgradeHandler.writeHeaders=연결 [{0}], 스트림 [{1}]
upgradeHandler.writePushHeaders=연결 [{0}], 스트림 [{1}], Push된 스트림 [{2}], EndOfStream [{3}]
windowAllocationManager.dispatched=연결 [{0}], 스트림 [{1}]에 디스패치됩니다.
windowAllocationManager.notified=연결 [{0}], 스트림 [{1}]에 통지됩니다.
windowAllocationManager.notify=연결 [{0}], 스트림 [{1}], 대기 타입 [{2}], 통지 타입 [{3}]
windowAllocationManager.waitFor.connection=연결 [{0}], 스트림 [{1}], 제한 시간 [{2}] 내에서, 연결 흐름 제어 윈도우(blocking)를 대기합니다.
windowAllocationManager.waitFor.ise=연결 [{0}], 스트림 [{1}], 이미 대기 중입니다.
windowAllocationManager.waitFor.stream=연결 [{0}], 스트림 [{1}], 제한 시간 [{2}] 내에서, 스트림 흐름 제어 윈도우(blocking)를 대기합니다.
windowAllocationManager.waitForNonBlocking.connection=연결 [{0}], 스트림 [{1}], 연결 흐름 제어 윈도우(non-blocking)를 대기합니다.
windowAllocationManager.waitForNonBlocking.stream=연결 [{0}], 스트림 [{1}], 스트림 흐름 제어 윈도우(non-blocking)를 대기합니다.
writeStateMachine.endWrite.ise=쓰기가 한번 완료되고 나면, 새로운 상태를 위해 [{0}]을(를) 지정하는 것은 불허됩니다.
writeStateMachine.ise=[{1}]인 상태에서 [{0}()]을(를) 호출하는 것은 불허됩니다.

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# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
upgradeHandler.pingFailed=Соединение [{0}], ошибка при передаче ping''а клиенту

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java/org/apache/coyote/http2/LocalStrings_zh_CN.properties Normal file
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# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
abstractStream.windowSizeDec=连接[{0}]，流[{1}]，将流控制窗口减少[{2}]到[{3}]
abstractStream.windowSizeInc=连接 [{0}], 流 [{1}], 增加流量控制窗口[{2}] 到 [{3}]
abstractStream.windowSizeTooBig=连接[{0}]，流[{1}]，窗口大小从[{2}]增加到[{3}]，超过了允许的最大值
connectionPrefaceParser.mismatch=请求了新的远程流ID[{0}]，但所有远程流都必须使用奇数标识符。
connectionSettings.debug=连接[{0}]，参数类型[{1}]设置为[{2}]
connectionSettings.enablePushInvalid=连接[{0}]，请求的enable push[{1}]值不是允许的值之一（零或一）
connectionSettings.headerTableSizeLimit=连接 [{0}]，尝试将 header 表大小设置为 [{1}]，但限制为 16k
connectionSettings.maxFrameSizeInvalid=连接[{0}]，请求的最大帧大小[{1}]在[{2}]到[{3}]的允许范围之外
connectionSettings.unknown=连接[{0}]，标识为[{1}]和值为[{2}]的未知设置被忽略
frameType.checkPayloadSize=对帧类型[{1}]来说，负载[{0}]是无效的
frameType.checkStream=无效的帧类型[{0}]
hpack.integerEncodedOverTooManyOctets=HPACK 可变长度整数编码过多的八位字节，最大值为[{0}]
hpack.invalidCharacter=代码点[{1}]处的Unicode字符[{0}]无法编码，因为它超出了允许的0到255范围。
hpackdecoder.tableSizeUpdateNotAtStart=任何表大小的更新都必须在头块开始时发送。
http2Parser.headerLimitCount=连接[{0}]，流[{1}]，标题太多
http2Parser.headerLimitSize=连接[{0}]，Stream[{1}]，总的头信息尺寸太大
http2Parser.headers.wrongStream=连接[{0}], 头部信息对于流[{1}]正在进行但对于流[{2}]的一帧已经收到了。
http2Parser.nonZeroPadding=连接[{0}]，流[{1}]，非零填充
http2Parser.preface.invalid=出现无效连接
http2Parser.processFrame.unexpectedType=需要帧类型[{0}]，但收到帧类型[{1}]
http2Parser.processFrameData.window=连接[{0}]，客户端发送的数据比流窗口允许的多
http2Parser.processFrameHeaders.decodingDataLeft=数据在HPACK解码后依然保留 - 它本应该被消费掉
http2Parser.processFrameHeaders.payload=连接：[{0}]，流：[{1}]，正在处理[{1}]大小的头文件负载
http2Parser.processFramePriority.invalidParent=连接[{0}]，流[{1}]，流可能不依赖于自身
http2Parser.processFramePushPromise=请求了新的远程流ID[{0}]，但所有远程流都必须使用奇数标识符\n\
\n
http2Parser.swallow.debug=连接：[{0}]，流：[{1}]，吞下[{2}]字节
stream.closed=连接[{0}]，流[{1}]，一旦关闭就无法写入流
stream.header.debug=连接[{0}]，流[{1}]，HTTP标头[{2}]，值[{3}]
stream.header.noPath=连接[{0}]，流[{1}]，[：path]伪标头为空
stream.header.required=连接 [{0}], 流 [{1}], 缺少一个或多个必要的头文件
stream.header.unknownPseudoHeader=收到连接[{0}]，流[{1}]，未知伪标头[{2}]
stream.inputBuffer.readTimeout=等待从客户端读取数据超时
stream.inputBuffer.reset=流.重置
stream.inputBuffer.signal=读线程在等待时，数据被添加到inBuffer中。 发信号通知该线程继续
stream.reprioritisation.debug=连接[{0}]，流[{1}]，独占[{2}]，父[{3}]，权重[{4}]
stream.reset.fail=连接[{0}]，流[{1}]，重置流失败
stream.writeTimeout=等待客户端增加流控制窗口以允许写入流数据的超时
streamProcessor.cancel=连接到[{0}]，Stream [{1}]，
streamProcessor.error.connection=连接[{0}]，Stream[{0}]，处理中发生错误，对连接来说是致命的。
streamProcessor.service.error=请求处理期间出错
streamStateMachine.debug.change=(:连接[{0}]，流[{1}]，状态从[{2}]更改为[{3}]
upgradeHandler.allocate.left=连接[{0}]，流[{1}]，[{2}]字节未分配 - 尝试分配给子项
upgradeHandler.allocate.recipient=(:连接[{0}]，流[{1}]，潜在接收者[{2}]，权重为[{3}]
upgradeHandler.goaway.debug=连接[{0}]，离开，最后的流[{1}]，错误码[{2}]，调试数据[{3}]
upgradeHandler.init=连接[{0}]，状态[{1}]
upgradeHandler.ioerror=连接[{0}]
upgradeHandler.pingFailed=对客户端发送ping 链接失败.
upgradeHandler.prefaceReceived=连接[{0}]，从客户端收到连接准备。
upgradeHandler.pruneIncomplete=连接[{0}]，流[{1}]，无法完全修剪连接，因为有[{2}]个活动流太多
upgradeHandler.prunedPriority=连接[{0}]已经成为了属于优先级树中未使用的流[{1}]
upgradeHandler.rst.debug=连接[{0}]，流[{1}]，错误[{2}]，消息[{3}]，RST（关闭流）
upgradeHandler.sendPrefaceFail=连接[{0}]，给客户端发送前言失败
upgradeHandler.socketCloseFailed=关闭 socket 错误
upgradeHandler.stream.closed=流[{0}]已经关闭了一段时间
upgradeHandler.stream.even=\ 请求了新的远程流ID[{0}]，但所有远程流都必须使用奇数标识符\n\
\n
upgradeHandler.tooMuchOverhead=连接[{0}]，开销过大，连接将关闭
upgradeHandler.upgrade=连接[{0}], HTTP/1.1 升级到流[1]
upgradeHandler.upgrade.fail=):连接[{0}]，http/1.1升级失败
upgradeHandler.upgradeDispatch.entry=条目，连接[{0}]，SocketStatus [{1}]
upgradeHandler.upgradeDispatch.exit=退出，连接[{0}]， SocketState[{1}]
upgradeHandler.windowSizeTooBig=连接[{0}]，流[{1}]，窗口太大
upgradeHandler.writeBody=连接 [{0}],数据流[{1}], 数据长度[{2}]
upgradeHandler.writeHeaders=连接 [{0}]，流 [{1}]
windowAllocationManager.notify=连接[{0}], 流[{1}], 等待类型[{2}], 通知类型[{3}]
windowAllocationManager.waitFor.ise=连接[{0}], 流[{1}], 已经准备好
writeStateMachine.ise=处于 [{1}] 状态时调用 [{0}()] 方法是非法的

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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.coyote.http2;
public enum Setting {
HEADER_TABLE_SIZE(1),
ENABLE_PUSH(2),
MAX_CONCURRENT_STREAMS(3),
INITIAL_WINDOW_SIZE(4),
MAX_FRAME_SIZE(5),
MAX_HEADER_LIST_SIZE(6),
UNKNOWN(Integer.MAX_VALUE);
private final int id;
private Setting (int id) {
this.id = id;
}
public int getId() {
return id;
}
@Override
public String toString() {
return Integer.toString(id);
}
public static Setting valueOf(int i) {
switch(i) {
case 1: {
return HEADER_TABLE_SIZE;
}
case 2: {
return ENABLE_PUSH;
}
case 3: {
return MAX_CONCURRENT_STREAMS;
}
case 4: {
return INITIAL_WINDOW_SIZE;
}
case 5: {
return MAX_FRAME_SIZE;
}
case 6: {
return MAX_HEADER_LIST_SIZE;
}
default: {
return Setting.UNKNOWN;
}
}
}
}

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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.coyote.http2;
/**
* Thrown when an HTTP/2 stream error occurs.
*/
public class StreamException extends Http2Exception {
private static final long serialVersionUID = 1L;
private final int streamId;
public StreamException(String msg, Http2Error error, int streamId) {
super(msg, error);
this.streamId = streamId;
}
public int getStreamId() {
return streamId;
}
}

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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.coyote.http2;
import java.io.IOException;
import java.util.Iterator;
import org.apache.coyote.AbstractProcessor;
import org.apache.coyote.ActionCode;
import org.apache.coyote.Adapter;
import org.apache.coyote.ContainerThreadMarker;
import org.apache.coyote.ErrorState;
import org.apache.coyote.Request;
import org.apache.coyote.Response;
import org.apache.coyote.http11.filters.GzipOutputFilter;
import org.apache.juli.logging.Log;
import org.apache.juli.logging.LogFactory;
import org.apache.tomcat.util.buf.ByteChunk;
import org.apache.tomcat.util.http.FastHttpDateFormat;
import org.apache.tomcat.util.http.MimeHeaders;
import org.apache.tomcat.util.net.AbstractEndpoint.Handler.SocketState;
import org.apache.tomcat.util.net.DispatchType;
import org.apache.tomcat.util.net.SocketEvent;
import org.apache.tomcat.util.net.SocketWrapperBase;
import org.apache.tomcat.util.res.StringManager;
class StreamProcessor extends AbstractProcessor {
private static final Log log = LogFactory.getLog(StreamProcessor.class);
private static final StringManager sm = StringManager.getManager(StreamProcessor.class);
private final Http2UpgradeHandler handler;
private final Stream stream;
StreamProcessor(Http2UpgradeHandler handler, Stream stream, Adapter adapter,
SocketWrapperBase<?> socketWrapper) {
super(socketWrapper.getEndpoint(), stream.getCoyoteRequest(), stream.getCoyoteResponse());
this.handler = handler;
this.stream = stream;
setAdapter(adapter);
setSocketWrapper(socketWrapper);
}
final void process(SocketEvent event) {
try {
// FIXME: the regular processor syncs on socketWrapper, but here this deadlocks
synchronized (this) {
// HTTP/2 equivalent of AbstractConnectionHandler#process() without the
// socket <-> processor mapping
ContainerThreadMarker.set();
SocketState state = SocketState.CLOSED;
try {
state = process(socketWrapper, event);
if (state == SocketState.LONG) {
handler.getProtocol().getHttp11Protocol().addWaitingProcessor(this);
} else if (state == SocketState.CLOSED) {
handler.getProtocol().getHttp11Protocol().removeWaitingProcessor(this);
if (!getErrorState().isConnectionIoAllowed()) {
ConnectionException ce = new ConnectionException(sm.getString(
"streamProcessor.error.connection", stream.getConnectionId(),
stream.getIdentifier()), Http2Error.INTERNAL_ERROR);
stream.close(ce);
} else if (!getErrorState().isIoAllowed()) {
StreamException se = stream.getResetException();
if (se == null) {
se = new StreamException(sm.getString(
"streamProcessor.error.stream", stream.getConnectionId(),
stream.getIdentifier()), Http2Error.INTERNAL_ERROR,
stream.getIdAsInt());
}
stream.close(se);
}
}
} catch (Exception e) {
String msg = sm.getString("streamProcessor.error.connection",
stream.getConnectionId(), stream.getIdentifier());
if (log.isDebugEnabled()) {
log.debug(msg, e);
}
ConnectionException ce = new ConnectionException(msg, Http2Error.INTERNAL_ERROR);
ce.initCause(e);
stream.close(ce);
} finally {
ContainerThreadMarker.clear();
}
}
} finally {
handler.executeQueuedStream();
}
}
@Override
protected final void prepareResponse() throws IOException {
response.setCommitted(true);
prepareHeaders(request, response, handler.getProtocol(), stream);
stream.writeHeaders();
}
// Static so it can be used by Stream to build the MimeHeaders required for
// an ACK. For that use case coyoteRequest, protocol and stream will be null.
static void prepareHeaders(Request coyoteRequest, Response coyoteResponse,
Http2Protocol protocol, Stream stream) {
MimeHeaders headers = coyoteResponse.getMimeHeaders();
int statusCode = coyoteResponse.getStatus();
// Add the pseudo header for status
headers.addValue(":status").setString(Integer.toString(statusCode));
// Check to see if a response body is present
if (!(statusCode < 200 || statusCode == 204 || statusCode == 205 || statusCode == 304)) {
String contentType = coyoteResponse.getContentType();
if (contentType != null) {
headers.setValue("content-type").setString(contentType);
}
String contentLanguage = coyoteResponse.getContentLanguage();
if (contentLanguage != null) {
headers.setValue("content-language").setString(contentLanguage);
}
// Add a content-length header if a content length has been set unless
// the application has already added one
long contentLength = coyoteResponse.getContentLengthLong();
if (contentLength != -1 && headers.getValue("content-length") == null) {
headers.addValue("content-length").setLong(contentLength);
}
} else {
if (statusCode == 205) {
// RFC 7231 requires the server to explicitly signal an empty
// response in this case
coyoteResponse.setContentLength(0);
} else {
coyoteResponse.setContentLength(-1);
}
}
// Add date header unless it is an informational response or the
// application has already set one
if (statusCode >= 200 && headers.getValue("date") == null) {
headers.addValue("date").setString(FastHttpDateFormat.getCurrentDate());
}
if (protocol != null && protocol.useCompression(coyoteRequest, coyoteResponse)) {
// Enable compression. Headers will have been set. Need to configure
// output filter at this point.
stream.addOutputFilter(new GzipOutputFilter());
}
}
@Override
protected final void finishResponse() throws IOException {
stream.getOutputBuffer().end();
}
@Override
protected final void ack() {
if (!response.isCommitted() && request.hasExpectation()) {
try {
stream.writeAck();
} catch (IOException ioe) {
setErrorState(ErrorState.CLOSE_CONNECTION_NOW, ioe);
}
}
}
@Override
protected final void flush() throws IOException {
stream.getOutputBuffer().flush();
}
@Override
protected final int available(boolean doRead) {
return stream.getInputBuffer().available();
}
@Override
protected final void setRequestBody(ByteChunk body) {
stream.getInputBuffer().insertReplayedBody(body);
try {
stream.receivedEndOfStream();
} catch (ConnectionException e) {
// Exception will not be thrown in this case
}
}
@Override
protected final void setSwallowResponse() {
// NO-OP
}
@Override
protected final void disableSwallowRequest() {
// NO-OP
// HTTP/2 has to swallow any input received to ensure that the flow
// control windows are correctly tracked.
}
@Override
protected void processSocketEvent(SocketEvent event, boolean dispatch) {
if (dispatch) {
handler.processStreamOnContainerThread(this, event);
} else {
this.process(event);
}
}
@Override
protected final boolean isReadyForRead() {
return stream.getInputBuffer().isReadyForRead();
}
@Override
protected final boolean isRequestBodyFullyRead() {
return stream.getInputBuffer().isRequestBodyFullyRead();
}
@Override
protected final void registerReadInterest() {
// Should never be called for StreamProcessor as isReadyForRead() is
// overridden
throw new UnsupportedOperationException();
}
@Override
protected final boolean isReadyForWrite() {
return stream.isReadyForWrite();
}
@Override
protected final void executeDispatches() {
Iterator<DispatchType> dispatches = getIteratorAndClearDispatches();
/*
* Compare with superclass that uses SocketWrapper
* A sync is not necessary here as the window sizes are updated with
* syncs before the dispatches are executed and it is the window size
* updates that need to be complete before the dispatch executes.
*/
while (dispatches != null && dispatches.hasNext()) {
DispatchType dispatchType = dispatches.next();
/*
* Dispatch on new thread.
* Firstly, this avoids a deadlock on the SocketWrapper as Streams
* being processed by container threads lock the SocketProcessor
* before they lock the SocketWrapper which is the opposite order to
* container threads processing via Http2UpgrageHandler.
* Secondly, this code executes after a Window update has released
* one or more Streams. By dispatching each Stream to a dedicated
* thread, those Streams may progress concurrently.
*/
processSocketEvent(dispatchType.getSocketStatus(), true);
}
}
@Override
protected final boolean isPushSupported() {
return stream.isPushSupported();
}
@Override
protected final void doPush(Request pushTarget) {
try {
stream.push(pushTarget);
} catch (IOException ioe) {
setErrorState(ErrorState.CLOSE_CONNECTION_NOW, ioe);
response.setErrorException(ioe);
}
}
@Override
public void recycle() {
// StreamProcessor instances are not re-used.
// Clear fields that can be cleared to aid GC and trigger NPEs if this
// is reused
setSocketWrapper(null);
setAdapter(null);
}
@Override
protected Log getLog() {
return log;
}
@Override
public void pause() {
// NO-OP. Handled by the Http2UpgradeHandler
}
@Override
public SocketState service(SocketWrapperBase<?> socket) throws IOException {
try {
adapter.service(request, response);
} catch (Exception e) {
if (log.isDebugEnabled()) {
log.debug(sm.getString("streamProcessor.service.error"), e);
}
response.setStatus(500);
setErrorState(ErrorState.CLOSE_NOW, e);
}
if (!isAsync()) {
// If this is an async request then the request ends when it has
// been completed. The AsyncContext is responsible for calling
// endRequest() in that case.
endRequest();
}
if (getErrorState().isError()) {
action(ActionCode.CLOSE, null);
request.updateCounters();
return SocketState.CLOSED;
} else if (isAsync()) {
return SocketState.LONG;
} else {
action(ActionCode.CLOSE, null);
request.updateCounters();
return SocketState.CLOSED;
}
}
@Override
protected boolean flushBufferedWrite() throws IOException {
if (log.isDebugEnabled()) {
log.debug(sm.getString("streamProcessor.flushBufferedWrite.entry",
stream.getConnectionId(), stream.getIdentifier()));
}
if (stream.flush(false)) {
// The buffer wasn't fully flushed so re-register the
// stream for write. Note this does not go via the
// Response since the write registration state at
// that level should remain unchanged. Once the buffer
// has been emptied then the code below will call
// dispatch() which will enable the
// Response to respond to this event.
if (stream.isReadyForWrite()) {
// Unexpected
throw new IllegalStateException();
}
return true;
}
return false;
}
@Override
protected final SocketState dispatchEndRequest() throws IOException {
endRequest();
return SocketState.CLOSED;
}
private void endRequest() throws IOException {
if (!stream.isInputFinished() && getErrorState().isIoAllowed()) {
// The request has been processed but the request body has not been
// fully read. This typically occurs when Tomcat rejects an upload
// of some form (e.g. PUT or POST). Need to tell the client not to
// send any more data but only if a reset has not already been
// triggered.
StreamException se = new StreamException(
sm.getString("streamProcessor.cancel", stream.getConnectionId(),
stream.getIdentifier()), Http2Error.CANCEL, stream.getIdAsInt());
handler.sendStreamReset(se);
}
}
}

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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.coyote.http2;
import org.apache.tomcat.util.net.SocketEvent;
class StreamRunnable implements Runnable {
private final StreamProcessor processor;
private final SocketEvent event;
public StreamRunnable(StreamProcessor processor, SocketEvent event) {
this.processor = processor;
this.event = event;
}
@Override
public void run() {
processor.process(event);
}
}

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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.coyote.http2;
import java.util.HashSet;
import java.util.Set;
import org.apache.juli.logging.Log;
import org.apache.juli.logging.LogFactory;
import org.apache.tomcat.util.res.StringManager;
/**
* See <a href="https://tools.ietf.org/html/rfc7540#section-5.1">state
* diagram</a> in RFC 7540.
* <br>
* The following additions are supported by this state machine:
* <ul>
* <li>differentiate between closed (normal) and closed caused by reset</li>
* </ul>
*
*/
public class StreamStateMachine {
private static final Log log = LogFactory.getLog(StreamStateMachine.class);
private static final StringManager sm = StringManager.getManager(StreamStateMachine.class);
private final Stream stream;
private State state;
public StreamStateMachine(Stream stream) {
this.stream = stream;
stateChange(null, State.IDLE);
}
public synchronized void sentPushPromise() {
stateChange(State.IDLE, State.RESERVED_LOCAL);
}
public synchronized void receivedPushPromise() {
stateChange(State.IDLE, State.RESERVED_REMOTE);
}
public synchronized void sentStartOfHeaders() {
stateChange(State.IDLE, State.OPEN);
stateChange(State.RESERVED_LOCAL, State.HALF_CLOSED_REMOTE);
}
public synchronized void receivedStartOfHeaders() {
stateChange(State.IDLE, State.OPEN);
stateChange(State.RESERVED_REMOTE, State.HALF_CLOSED_LOCAL);
}
public synchronized void sentEndOfStream() {
stateChange(State.OPEN, State.HALF_CLOSED_LOCAL);
stateChange(State.HALF_CLOSED_REMOTE, State.CLOSED_TX);
}
public synchronized void receivedEndOfStream() {
stateChange(State.OPEN, State.HALF_CLOSED_REMOTE);
stateChange(State.HALF_CLOSED_LOCAL, State.CLOSED_RX);
}
/**
* Marks the stream as reset. This method will not change the stream state
* if:
* <ul>
* <li>The stream is already reset</li>
* <li>The stream is already closed</li>
* </ul>
*
* @throws IllegalStateException If the stream is in a state that does not
* permit resets
*/
public synchronized void sendReset() {
if (state == State.IDLE) {
throw new IllegalStateException(sm.getString("streamStateMachine.debug.change",
stream.getConnectionId(), stream.getIdentifier(), state));
}
if (state.canReset()) {
stateChange(state, State.CLOSED_RST_TX);
}
}
final synchronized void receivedReset() {
stateChange(state, State.CLOSED_RST_RX);
}
private void stateChange(State oldState, State newState) {
if (state == oldState) {
state = newState;
if (log.isDebugEnabled()) {
log.debug(sm.getString("streamStateMachine.debug.change", stream.getConnectionId(),
stream.getIdentifier(), oldState, newState));
}
}
}
public synchronized void checkFrameType(FrameType frameType) throws Http2Exception {
// No state change. Checks that receiving the frame type is valid for
// the current state of this stream.
if (!isFrameTypePermitted(frameType)) {
if (state.connectionErrorForInvalidFrame) {
throw new ConnectionException(sm.getString("streamStateMachine.invalidFrame",
stream.getConnectionId(), stream.getIdentifier(), state, frameType),
state.errorCodeForInvalidFrame);
} else {
throw new StreamException(sm.getString("streamStateMachine.invalidFrame",
stream.getConnectionId(), stream.getIdentifier(), state, frameType),
state.errorCodeForInvalidFrame, stream.getIdAsInt());
}
}
}
public synchronized boolean isFrameTypePermitted(FrameType frameType) {
return state.isFrameTypePermitted(frameType);
}
public synchronized boolean isActive() {
return state.isActive();
}
public synchronized boolean canRead() {
return state.canRead();
}
public synchronized boolean canWrite() {
return state.canWrite();
}
public synchronized boolean isClosedFinal() {
return state == State.CLOSED_FINAL;
}
public synchronized void closeIfIdle() {
stateChange(State.IDLE, State.CLOSED_FINAL);
}
private enum State {
IDLE (false, false, false, true,
Http2Error.PROTOCOL_ERROR, FrameType.HEADERS,
FrameType.PRIORITY),
OPEN (true, true, true, true,
Http2Error.PROTOCOL_ERROR, FrameType.DATA,
FrameType.HEADERS,
FrameType.PRIORITY,
FrameType.RST,
FrameType.PUSH_PROMISE,
FrameType.WINDOW_UPDATE),
RESERVED_LOCAL (false, false, true, true,
Http2Error.PROTOCOL_ERROR, FrameType.PRIORITY,
FrameType.RST,
FrameType.WINDOW_UPDATE),
RESERVED_REMOTE (false, true, true, true,
Http2Error.PROTOCOL_ERROR, FrameType.HEADERS,
FrameType.PRIORITY,
FrameType.RST),
HALF_CLOSED_LOCAL (true, false, true, true,
Http2Error.PROTOCOL_ERROR, FrameType.DATA,
FrameType.HEADERS,
FrameType.PRIORITY,
FrameType.RST,
FrameType.PUSH_PROMISE,
FrameType.WINDOW_UPDATE),
HALF_CLOSED_REMOTE (false, true, true, true,
Http2Error.STREAM_CLOSED, FrameType.PRIORITY,
FrameType.RST,
FrameType.WINDOW_UPDATE),
CLOSED_RX (false, false, false, true,
Http2Error.STREAM_CLOSED, FrameType.PRIORITY),
CLOSED_TX (false, false, false, true,
Http2Error.STREAM_CLOSED, FrameType.PRIORITY,
FrameType.RST,
FrameType.WINDOW_UPDATE),
CLOSED_RST_RX (false, false, false, false,
Http2Error.STREAM_CLOSED, FrameType.PRIORITY),
CLOSED_RST_TX (false, false, false, false,
Http2Error.STREAM_CLOSED, FrameType.DATA,
FrameType.HEADERS,
FrameType.PRIORITY,
FrameType.RST,
FrameType.PUSH_PROMISE,
FrameType.WINDOW_UPDATE),
CLOSED_FINAL (false, false, false, true,
Http2Error.PROTOCOL_ERROR, FrameType.PRIORITY);
private final boolean canRead;
private final boolean canWrite;
private final boolean canReset;
private final boolean connectionErrorForInvalidFrame;
private final Http2Error errorCodeForInvalidFrame;
private final Set<FrameType> frameTypesPermitted = new HashSet<>();
private State(boolean canRead, boolean canWrite, boolean canReset,
boolean connectionErrorForInvalidFrame, Http2Error errorCode,
FrameType... frameTypes) {
this.canRead = canRead;
this.canWrite = canWrite;
this.canReset = canReset;
this.connectionErrorForInvalidFrame = connectionErrorForInvalidFrame;
this.errorCodeForInvalidFrame = errorCode;
for (FrameType frameType : frameTypes) {
frameTypesPermitted.add(frameType);
}
}
public boolean isActive() {
return canWrite || canRead;
}
public boolean canRead() {
return canRead;
}
public boolean canWrite() {
return canWrite;
}
public boolean canReset() {
return canReset;
}
public boolean isFrameTypePermitted(FrameType frameType) {
return frameTypesPermitted.contains(frameType);
}
}
}

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java/org/apache/coyote/http2/WindowAllocationManager.java Normal file
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@@ -0,0 +1,209 @@
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.coyote.http2;
import org.apache.coyote.ActionCode;
import org.apache.juli.logging.Log;
import org.apache.juli.logging.LogFactory;
import org.apache.tomcat.util.res.StringManager;
/**
* Tracks whether the stream is waiting for an allocation to the stream flow
* control window, to the connection flow control window or not waiting for an
* allocation and only issues allocation notifications when the stream is known
* to be waiting for the notification.
*
* It is possible for a stream to be waiting for a connection allocation when
* a stream allocation is made. Therefore this class tracks the type of
* allocation that the stream is waiting for to ensure that notifications are
* correctly triggered.
*
* With the implementation at the time of writing, it is not possible for a
* stream to receive an unexpected connection notification as these are only
* issues to streams in the backlog and a stream must be waiting for a
* connection allocation in order to be placed on the backlog. However, as a
* precaution, this class protects against unexpected connection notifications.
*
* It is important for asynchronous processing not to notify unless a
* notification is expected else a dispatch will be performed unnecessarily
* which may lead to unexpected results.
*
* A previous implementation used separate locks for the stream and connection
* notifications. However, correct handling of allocation waiting requires
* holding the stream lock when making the decision to wait. Therefore both
* allocations need to wait on the Stream.
*/
class WindowAllocationManager {
private static final Log log = LogFactory.getLog(WindowAllocationManager.class);
private static final StringManager sm = StringManager.getManager(WindowAllocationManager.class);
private static final int NONE = 0;
private static final int STREAM = 1;
private static final int CONNECTION = 2;
private final Stream stream;
private int waitingFor = NONE;
WindowAllocationManager(Stream stream) {
this.stream = stream;
}
void waitForStream(long timeout) throws InterruptedException {
if (log.isDebugEnabled()) {
log.debug(sm.getString("windowAllocationManager.waitFor.stream",
stream.getConnectionId(), stream.getIdentifier(), Long.toString(timeout)));
}
waitFor(STREAM, timeout);
}
void waitForConnection(long timeout) throws InterruptedException {
if (log.isDebugEnabled()) {
log.debug(sm.getString("windowAllocationManager.waitFor.connection",
stream.getConnectionId(), stream.getIdentifier(), Long.toString(timeout)));
}
waitFor(CONNECTION, timeout);
}
void waitForStreamNonBlocking() {
if (log.isDebugEnabled()) {
log.debug(sm.getString("windowAllocationManager.waitForNonBlocking.stream",
stream.getConnectionId(), stream.getIdentifier()));
}
waitForNonBlocking(STREAM);
}
void waitForConnectionNonBlocking() {
if (log.isDebugEnabled()) {
log.debug(sm.getString("windowAllocationManager.waitForNonBlocking.connection",
stream.getConnectionId(), stream.getIdentifier()));
}
waitForNonBlocking(CONNECTION);
}
void notifyStream() {
notify(STREAM);
}
void notifyConnection() {
notify(CONNECTION);
}
void notifyAny() {
notify(STREAM | CONNECTION);
}
boolean isWaitingForStream() {
return isWaitingFor(STREAM);
}
boolean isWaitingForConnection() {
return isWaitingFor(CONNECTION);
}
private boolean isWaitingFor(int waitTarget) {
synchronized (stream) {
return (waitingFor & waitTarget) > 0;
}
}
private void waitFor(int waitTarget, long timeout) throws InterruptedException {
synchronized (stream) {
if (waitingFor != NONE) {
throw new IllegalStateException(sm.getString("windowAllocationManager.waitFor.ise",
stream.getConnectionId(), stream.getIdentifier()));
}
waitingFor = waitTarget;
if (timeout < 0) {
stream.wait();
} else {
stream.wait(timeout);
}
}
}
private void waitForNonBlocking(int waitTarget) {
synchronized (stream) {
if (waitingFor == NONE) {
waitingFor = waitTarget;
} else if (waitingFor == waitTarget) {
// NO-OP
// Non-blocking post-processing may attempt to flush
} else {
throw new IllegalStateException(sm.getString("windowAllocationManager.waitFor.ise",
stream.getConnectionId(), stream.getIdentifier()));
}
}
}
private void notify(int notifyTarget) {
if (log.isDebugEnabled()) {
log.debug(sm.getString("windowAllocationManager.notify", stream.getConnectionId(),
stream.getIdentifier(), Integer.toString(waitingFor), Integer.toString(notifyTarget)));
}
synchronized (stream) {
if ((notifyTarget & waitingFor) > NONE) {
// Reset this here so multiple notifies (possible with a
// backlog containing multiple streams and small window updates)
// are handled correctly (only the first should trigger a call
// to stream.notify(). Additional notify() calls may trigger
// unexpected timeouts.
waitingFor = NONE;
if (stream.getCoyoteResponse().getWriteListener() == null) {
// Blocking, so use notify to release StreamOutputBuffer
if (log.isDebugEnabled()) {
log.debug(sm.getString("windowAllocationManager.notified",
stream.getConnectionId(), stream.getIdentifier()));
}
stream.notify();
} else {
// Non-blocking so dispatch
if (log.isDebugEnabled()) {
log.debug(sm.getString("windowAllocationManager.dispatched",
stream.getConnectionId(), stream.getIdentifier()));
}
stream.getCoyoteResponse().action(ActionCode.DISPATCH_WRITE, null);
// Need to explicitly execute dispatches on the StreamProcessor
// as this thread is being processed by an UpgradeProcessor
// which won't see this dispatch
stream.getCoyoteResponse().action(ActionCode.DISPATCH_EXECUTE, null);
}
}
}
}
}