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io.netty.handler.codec.http2.Http2InboundFrameLogger Maven / Gradle / Ivy
/*
* Copyright 2014 The Netty Project
*
* The Netty Project 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:
*
* https://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 io.netty.handler.codec.http2;
import static io.netty.handler.codec.http2.Http2FrameLogger.Direction.INBOUND;
import static io.netty.util.internal.ObjectUtil.checkNotNull;
import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelHandlerContext;
/**
* Decorator around a {@link Http2FrameReader} that logs all inbound frames before calling
* back the listener.
*/
public class Http2InboundFrameLogger implements Http2FrameReader {
private final Http2FrameReader reader;
private final Http2FrameLogger logger;
public Http2InboundFrameLogger(Http2FrameReader reader, Http2FrameLogger logger) {
this.reader = checkNotNull(reader, "reader");
this.logger = checkNotNull(logger, "logger");
}
@Override
public void readFrame(ChannelHandlerContext ctx, ByteBuf input, final Http2FrameListener listener)
throws Http2Exception {
reader.readFrame(ctx, input, new Http2FrameListener() {
@Override
public int onDataRead(ChannelHandlerContext ctx, int streamId, ByteBuf data,
int padding, boolean endOfStream)
throws Http2Exception {
logger.logData(INBOUND, ctx, streamId, data, padding, endOfStream);
return listener.onDataRead(ctx, streamId, data, padding, endOfStream);
}
@Override
public void onHeadersRead(ChannelHandlerContext ctx, int streamId,
Http2Headers headers, int padding, boolean endStream)
throws Http2Exception {
logger.logHeaders(INBOUND, ctx, streamId, headers, padding, endStream);
listener.onHeadersRead(ctx, streamId, headers, padding, endStream);
}
@Override
public void onHeadersRead(ChannelHandlerContext ctx, int streamId,
Http2Headers headers, int streamDependency, short weight, boolean exclusive,
int padding, boolean endStream) throws Http2Exception {
logger.logHeaders(INBOUND, ctx, streamId, headers, streamDependency, weight, exclusive,
padding, endStream);
listener.onHeadersRead(ctx, streamId, headers, streamDependency, weight, exclusive,
padding, endStream);
}
@Override
public void onPriorityRead(ChannelHandlerContext ctx, int streamId,
int streamDependency, short weight, boolean exclusive) throws Http2Exception {
logger.logPriority(INBOUND, ctx, streamId, streamDependency, weight, exclusive);
listener.onPriorityRead(ctx, streamId, streamDependency, weight, exclusive);
}
@Override
public void onRstStreamRead(ChannelHandlerContext ctx, int streamId, long errorCode)
throws Http2Exception {
logger.logRstStream(INBOUND, ctx, streamId, errorCode);
listener.onRstStreamRead(ctx, streamId, errorCode);
}
@Override
public void onSettingsAckRead(ChannelHandlerContext ctx) throws Http2Exception {
logger.logSettingsAck(INBOUND, ctx);
listener.onSettingsAckRead(ctx);
}
@Override
public void onSettingsRead(ChannelHandlerContext ctx, Http2Settings settings)
throws Http2Exception {
logger.logSettings(INBOUND, ctx, settings);
listener.onSettingsRead(ctx, settings);
}
@Override
public void onPingRead(ChannelHandlerContext ctx, long data) throws Http2Exception {
logger.logPing(INBOUND, ctx, data);
listener.onPingRead(ctx, data);
}
@Override
public void onPingAckRead(ChannelHandlerContext ctx, long data) throws Http2Exception {
logger.logPingAck(INBOUND, ctx, data);
listener.onPingAckRead(ctx, data);
}
@Override
public void onPushPromiseRead(ChannelHandlerContext ctx, int streamId,
int promisedStreamId, Http2Headers headers, int padding) throws Http2Exception {
logger.logPushPromise(INBOUND, ctx, streamId, promisedStreamId, headers, padding);
listener.onPushPromiseRead(ctx, streamId, promisedStreamId, headers, padding);
}
@Override
public void onGoAwayRead(ChannelHandlerContext ctx, int lastStreamId, long errorCode,
ByteBuf debugData) throws Http2Exception {
logger.logGoAway(INBOUND, ctx, lastStreamId, errorCode, debugData);
listener.onGoAwayRead(ctx, lastStreamId, errorCode, debugData);
}
@Override
public void onWindowUpdateRead(ChannelHandlerContext ctx, int streamId, int windowSizeIncrement)
throws Http2Exception {
logger.logWindowsUpdate(INBOUND, ctx, streamId, windowSizeIncrement);
listener.onWindowUpdateRead(ctx, streamId, windowSizeIncrement);
}
@Override
public void onUnknownFrame(ChannelHandlerContext ctx, byte frameType, int streamId,
Http2Flags flags, ByteBuf payload) throws Http2Exception {
logger.logUnknownFrame(INBOUND, ctx, frameType, streamId, flags, payload);
listener.onUnknownFrame(ctx, frameType, streamId, flags, payload);
}
});
}
@Override
public void close() {
reader.close();
}
@Override
public Configuration configuration() {
return reader.configuration();
}
}
