| /* |
| * ==================================================================== |
| * 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. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| * |
| */ |
| |
| package org.apache.hc.client5.http.impl.async; |
| |
| import java.io.IOException; |
| import java.util.List; |
| |
| import org.apache.hc.core5.http.Header; |
| import org.apache.hc.core5.http.HttpConnection; |
| import org.apache.hc.core5.http.config.CharCodingConfig; |
| import org.apache.hc.core5.http.nio.AsyncPushConsumer; |
| import org.apache.hc.core5.http.nio.HandlerFactory; |
| import org.apache.hc.core5.http.protocol.HttpProcessor; |
| import org.apache.hc.core5.http2.config.H2Config; |
| import org.apache.hc.core5.http2.frame.FramePrinter; |
| import org.apache.hc.core5.http2.frame.RawFrame; |
| import org.apache.hc.core5.http2.impl.nio.ClientH2StreamMultiplexerFactory; |
| import org.apache.hc.core5.http2.impl.nio.H2OnlyClientProtocolNegotiator; |
| import org.apache.hc.core5.http2.impl.nio.H2StreamListener; |
| import org.apache.hc.core5.reactor.IOEventHandler; |
| import org.apache.hc.core5.reactor.IOEventHandlerFactory; |
| import org.apache.hc.core5.reactor.ProtocolIOSession; |
| import org.apache.hc.core5.util.Args; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| class H2AsyncClientEventHandlerFactory implements IOEventHandlerFactory { |
| |
| private final Logger headerLog = LoggerFactory.getLogger("org.apache.hc.client5.http.headers"); |
| private final Logger frameLog = LoggerFactory.getLogger("org.apache.hc.client5.http2.frame"); |
| private final Logger framePayloadLog = LoggerFactory.getLogger("org.apache.hc.client5.http2.frame.payload"); |
| private final Logger flowCtrlLog = LoggerFactory.getLogger("org.apache.hc.client5.http2.flow"); |
| |
| private final HttpProcessor httpProcessor; |
| private final HandlerFactory<AsyncPushConsumer> exchangeHandlerFactory; |
| private final H2Config h2Config; |
| private final CharCodingConfig charCodingConfig; |
| |
| H2AsyncClientEventHandlerFactory( |
| final HttpProcessor httpProcessor, |
| final HandlerFactory<AsyncPushConsumer> exchangeHandlerFactory, |
| final H2Config h2Config, |
| final CharCodingConfig charCodingConfig) { |
| this.httpProcessor = Args.notNull(httpProcessor, "HTTP processor"); |
| this.exchangeHandlerFactory = exchangeHandlerFactory; |
| this.h2Config = h2Config != null ? h2Config : H2Config.DEFAULT; |
| this.charCodingConfig = charCodingConfig != null ? charCodingConfig : CharCodingConfig.DEFAULT; |
| } |
| |
| @Override |
| public IOEventHandler createHandler(final ProtocolIOSession ioSession, final Object attachment) { |
| if (headerLog.isDebugEnabled() |
| || frameLog.isDebugEnabled() |
| || framePayloadLog.isDebugEnabled() |
| || flowCtrlLog.isDebugEnabled()) { |
| final String id = ioSession.getId(); |
| final ClientH2StreamMultiplexerFactory http2StreamHandlerFactory = new ClientH2StreamMultiplexerFactory( |
| httpProcessor, |
| exchangeHandlerFactory, |
| h2Config, |
| charCodingConfig, |
| new H2StreamListener() { |
| |
| final FramePrinter framePrinter = new FramePrinter(); |
| |
| private void logFrameInfo(final String prefix, final RawFrame frame) { |
| try { |
| final LogAppendable logAppendable = new LogAppendable(frameLog, prefix); |
| framePrinter.printFrameInfo(frame, logAppendable); |
| logAppendable.flush(); |
| } catch (final IOException ignore) { |
| } |
| } |
| |
| private void logFramePayload(final String prefix, final RawFrame frame) { |
| try { |
| final LogAppendable logAppendable = new LogAppendable(framePayloadLog, prefix); |
| framePrinter.printPayload(frame, logAppendable); |
| logAppendable.flush(); |
| } catch (final IOException ignore) { |
| } |
| } |
| |
| private void logFlowControl(final String prefix, final int streamId, final int delta, final int actualSize) { |
| final StringBuilder buffer = new StringBuilder(); |
| buffer.append(prefix).append(" stream ").append(streamId).append(" flow control " ) |
| .append(delta).append(" -> ") |
| .append(actualSize); |
| flowCtrlLog.debug(buffer.toString()); |
| } |
| |
| @Override |
| public void onHeaderInput(final HttpConnection connection, final int streamId, final List<? extends Header> headers) { |
| if (headerLog.isDebugEnabled()) { |
| for (int i = 0; i < headers.size(); i++) { |
| headerLog.debug("{} << {}", id, headers.get(i)); |
| } |
| } |
| } |
| |
| @Override |
| public void onHeaderOutput(final HttpConnection connection, final int streamId, final List<? extends Header> headers) { |
| if (headerLog.isDebugEnabled()) { |
| for (int i = 0; i < headers.size(); i++) { |
| headerLog.debug("{} >> {}", id, headers.get(i)); |
| } |
| } |
| } |
| |
| @Override |
| public void onFrameInput(final HttpConnection connection, final int streamId, final RawFrame frame) { |
| if (frameLog.isDebugEnabled()) { |
| logFrameInfo(id + " <<", frame); |
| } |
| if (framePayloadLog.isDebugEnabled()) { |
| logFramePayload(id + " <<", frame); |
| } |
| } |
| |
| @Override |
| public void onFrameOutput(final HttpConnection connection, final int streamId, final RawFrame frame) { |
| if (frameLog.isDebugEnabled()) { |
| logFrameInfo(id + " >>", frame); |
| } |
| if (framePayloadLog.isDebugEnabled()) { |
| logFramePayload(id + " >>", frame); |
| } |
| } |
| |
| @Override |
| public void onInputFlowControl(final HttpConnection connection, final int streamId, final int delta, final int actualSize) { |
| if (flowCtrlLog.isDebugEnabled()) { |
| logFlowControl(id + " <<", streamId, delta, actualSize); |
| } |
| } |
| |
| @Override |
| public void onOutputFlowControl(final HttpConnection connection, final int streamId, final int delta, final int actualSize) { |
| if (flowCtrlLog.isDebugEnabled()) { |
| logFlowControl(id + " >>", streamId, delta, actualSize); |
| } |
| } |
| |
| }); |
| return new H2OnlyClientProtocolNegotiator(ioSession, http2StreamHandlerFactory, false); |
| } |
| final ClientH2StreamMultiplexerFactory http2StreamHandlerFactory = new ClientH2StreamMultiplexerFactory( |
| httpProcessor, |
| exchangeHandlerFactory, |
| h2Config, |
| charCodingConfig, |
| null); |
| return new H2OnlyClientProtocolNegotiator(ioSession, http2StreamHandlerFactory, false); |
| } |
| |
| } |