Http2InboundFrameLogger.java — netty Source File

Source Code

/*
 * 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 {
// ... (86 more lines)