com.aliyun.apache.hc.client5.http.impl.async.HttpAsyncClientProtocolNegotiationStarter Maven / Gradle / Ivy
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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.
* ====================================================================
*
* 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
* exchangeHandlerFactory;
private final H2Config h2Config;
private final Http1Config h1Config;
private final CharCodingConfig charCodingConfig;
private final ConnectionReuseStrategy http1ConnectionReuseStrategy;
private final NHttpMessageParserFactory http1ResponseParserFactory;
private final NHttpMessageWriterFactory http1RequestWriterFactory;
HttpAsyncClientProtocolNegotiationStarter(
final HttpProcessor httpProcessor,
final HandlerFactory exchangeHandlerFactory,
final H2Config h2Config,
final Http1Config h1Config,
final CharCodingConfig charCodingConfig,
final ConnectionReuseStrategy connectionReuseStrategy) {
this.httpProcessor = Args.notNull(httpProcessor, "HTTP processor");
this.exchangeHandlerFactory = exchangeHandlerFactory;
this.h2Config = h2Config != null ? h2Config : H2Config.DEFAULT;
this.h1Config = h1Config != null ? h1Config : Http1Config.DEFAULT;
this.charCodingConfig = charCodingConfig != null ? charCodingConfig : CharCodingConfig.DEFAULT;
this.http1ConnectionReuseStrategy = connectionReuseStrategy != null ? connectionReuseStrategy : DefaultClientConnectionReuseStrategy.INSTANCE;
this.http1ResponseParserFactory = new DefaultHttpResponseParserFactory(h1Config);
this.http1RequestWriterFactory = DefaultHttpRequestWriterFactory.INSTANCE;
}
@Override
public IOEventHandler createHandler(final ProtocolIOSession ioSession, final Object attachment) {
final ClientHttp1StreamDuplexerFactory http1StreamHandlerFactory;
final ClientH2StreamMultiplexerFactory http2StreamHandlerFactory;
if (STREAM_LOG.isDebugEnabled()
|| HEADER_LOG.isDebugEnabled()
|| FRAME_LOG.isDebugEnabled()
|| FRAME_PAYLOAD_LOG.isDebugEnabled()
|| FLOW_CTRL_LOG.isDebugEnabled()) {
final String id = ioSession.getId();
http1StreamHandlerFactory = new ClientHttp1StreamDuplexerFactory(
httpProcessor,
h1Config,
charCodingConfig,
http1ConnectionReuseStrategy,
http1ResponseParserFactory,
http1RequestWriterFactory,
new Http1StreamListener() {
@Override
public void onRequestHead(final HttpConnection connection, final HttpRequest request) {
if (HEADER_LOG.isDebugEnabled()) {
HEADER_LOG.debug("{} >> {}", id, new RequestLine(request));
for (final Iterator it = request.headerIterator(); it.hasNext(); ) {
HEADER_LOG.debug("{} >> {}", id, it.next());
}
}
}
@Override
public void onResponseHead(final HttpConnection connection, final HttpResponse response) {
if (HEADER_LOG.isDebugEnabled()) {
HEADER_LOG.debug("{} << {}", id, new StatusLine(response));
for (final Iterator it = response.headerIterator(); it.hasNext(); ) {
HEADER_LOG.debug("{} << {}", id, it.next());
}
}
}
@Override
public void onExchangeComplete(final HttpConnection connection, final boolean keepAlive) {
if (STREAM_LOG.isDebugEnabled()) {
if (keepAlive) {
STREAM_LOG.debug("{} Connection is kept alive", id);
} else {
STREAM_LOG.debug("{} Connection is not kept alive", id);
}
}
}
});
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(FRAME_LOG, 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(FRAME_PAYLOAD_LOG, 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) {
FLOW_CTRL_LOG.debug("{} stream {} flow control {} -> {}", prefix, streamId, delta, actualSize);
}
@Override
public void onHeaderInput(final HttpConnection connection, final int streamId, final List headers) {
if (HEADER_LOG.isDebugEnabled()) {
for (int i = 0; i < headers.size(); i++) {
HEADER_LOG.debug("{} << {}", id, headers.get(i));
}
}
}
@Override
public void onHeaderOutput(final HttpConnection connection, final int streamId, final List headers) {
if (HEADER_LOG.isDebugEnabled()) {
for (int i = 0; i < headers.size(); i++) {
HEADER_LOG.debug("{} >> {}", id, headers.get(i));
}
}
}
@Override
public void onFrameInput(final HttpConnection connection, final int streamId, final RawFrame frame) {
if (FRAME_LOG.isDebugEnabled()) {
logFrameInfo(id + " <<", frame);
}
if (FRAME_PAYLOAD_LOG.isDebugEnabled()) {
logFramePayload(id + " <<", frame);
}
}
@Override
public void onFrameOutput(final HttpConnection connection, final int streamId, final RawFrame frame) {
if (FRAME_LOG.isDebugEnabled()) {
logFrameInfo(id + " >>", frame);
}
if (FRAME_PAYLOAD_LOG.isDebugEnabled()) {
logFramePayload(id + " >>", frame);
}
}
@Override
public void onInputFlowControl(final HttpConnection connection, final int streamId, final int delta, final int actualSize) {
if (FLOW_CTRL_LOG.isDebugEnabled()) {
logFlowControl(id + " <<", streamId, delta, actualSize);
}
}
@Override
public void onOutputFlowControl(final HttpConnection connection, final int streamId, final int delta, final int actualSize) {
if (FLOW_CTRL_LOG.isDebugEnabled()) {
logFlowControl(id + " >>", streamId, delta, actualSize);
}
}
});
} else {
http1StreamHandlerFactory = new ClientHttp1StreamDuplexerFactory(
httpProcessor,
h1Config,
charCodingConfig,
http1ConnectionReuseStrategy,
http1ResponseParserFactory,
http1RequestWriterFactory,
null);
http2StreamHandlerFactory = new ClientH2StreamMultiplexerFactory(
httpProcessor,
exchangeHandlerFactory,
h2Config,
charCodingConfig,
null);
}
ioSession.registerProtocol(ApplicationProtocol.HTTP_1_1.id, new ClientHttp1UpgradeHandler(http1StreamHandlerFactory));
ioSession.registerProtocol(ApplicationProtocol.HTTP_2.id, new ClientH2UpgradeHandler(http2StreamHandlerFactory));
final HttpVersionPolicy versionPolicy = attachment instanceof HttpVersionPolicy ? (HttpVersionPolicy) attachment : HttpVersionPolicy.NEGOTIATE;
switch (versionPolicy) {
case FORCE_HTTP_2:
return new ClientH2PrefaceHandler(ioSession, http2StreamHandlerFactory, false);
case FORCE_HTTP_1:
return new ClientHttp1IOEventHandler(http1StreamHandlerFactory.create(ioSession));
default:
return new HttpProtocolNegotiator(ioSession, null);
}
}
}
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