forked from ning/async-http-client
/
NettyAsyncHttpProvider.java
1935 lines (1640 loc) · 80.7 KB
/
NettyAsyncHttpProvider.java
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/*
* Copyright 2010 Ning, Inc.
*
* Ning 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 com.ning.http.client.providers.netty;
import com.ning.http.client.AsyncHandler;
import com.ning.http.client.AsyncHandler.STATE;
import com.ning.http.client.AsyncHttpClientConfig;
import com.ning.http.client.AsyncHttpProvider;
import com.ning.http.client.Body;
import com.ning.http.client.ConnectionsPool;
import com.ning.http.client.Cookie;
import com.ning.http.client.FluentCaseInsensitiveStringsMap;
import com.ning.http.client.FluentStringsMap;
import com.ning.http.client.HttpResponseBodyPart;
import com.ning.http.client.HttpResponseHeaders;
import com.ning.http.client.HttpResponseStatus;
import com.ning.http.client.ListenableFuture;
import com.ning.http.client.MaxRedirectException;
import com.ning.http.client.PerRequestConfig;
import com.ning.http.client.ProgressAsyncHandler;
import com.ning.http.client.ProxyServer;
import com.ning.http.client.RandomAccessBody;
import com.ning.http.client.Realm;
import com.ning.http.client.Request;
import com.ning.http.client.RequestBuilder;
import com.ning.http.client.Response;
import com.ning.http.client.filter.FilterContext;
import com.ning.http.client.filter.FilterException;
import com.ning.http.client.filter.IOExceptionFilter;
import com.ning.http.client.filter.ResponseFilter;
import com.ning.http.client.listener.TransferCompletionHandler;
import com.ning.http.client.ntlm.NTLMEngine;
import com.ning.http.client.ntlm.NTLMEngineException;
import com.ning.http.client.providers.netty.spnego.SpnegoEngine;
import com.ning.http.multipart.MultipartRequestEntity;
import com.ning.http.util.AsyncHttpProviderUtils;
import com.ning.http.util.AuthenticatorUtils;
import com.ning.http.util.CleanupChannelGroup;
import com.ning.http.util.ProxyUtils;
import com.ning.http.util.SslUtils;
import com.ning.http.util.UTF8UrlEncoder;
import org.jboss.netty.bootstrap.ClientBootstrap;
import org.jboss.netty.buffer.ChannelBuffer;
import org.jboss.netty.buffer.ChannelBufferOutputStream;
import org.jboss.netty.buffer.ChannelBuffers;
import org.jboss.netty.channel.Channel;
import org.jboss.netty.channel.ChannelFuture;
import org.jboss.netty.channel.ChannelFutureProgressListener;
import org.jboss.netty.channel.ChannelHandlerContext;
import org.jboss.netty.channel.ChannelPipeline;
import org.jboss.netty.channel.ChannelPipelineFactory;
import org.jboss.netty.channel.ChannelStateEvent;
import org.jboss.netty.channel.DefaultChannelFuture;
import org.jboss.netty.channel.ExceptionEvent;
import org.jboss.netty.channel.FileRegion;
import org.jboss.netty.channel.MessageEvent;
import org.jboss.netty.channel.SimpleChannelUpstreamHandler;
import org.jboss.netty.channel.group.ChannelGroup;
import org.jboss.netty.channel.socket.ClientSocketChannelFactory;
import org.jboss.netty.channel.socket.nio.NioClientSocketChannelFactory;
import org.jboss.netty.channel.socket.oio.OioClientSocketChannelFactory;
import org.jboss.netty.handler.codec.http.CookieEncoder;
import org.jboss.netty.handler.codec.http.DefaultCookie;
import org.jboss.netty.handler.codec.http.DefaultHttpChunkTrailer;
import org.jboss.netty.handler.codec.http.DefaultHttpRequest;
import org.jboss.netty.handler.codec.http.HttpChunk;
import org.jboss.netty.handler.codec.http.HttpChunkTrailer;
import org.jboss.netty.handler.codec.http.HttpClientCodec;
import org.jboss.netty.handler.codec.http.HttpContentCompressor;
import org.jboss.netty.handler.codec.http.HttpContentDecompressor;
import org.jboss.netty.handler.codec.http.HttpHeaders;
import org.jboss.netty.handler.codec.http.HttpMethod;
import org.jboss.netty.handler.codec.http.HttpRequest;
import org.jboss.netty.handler.codec.http.HttpResponse;
import org.jboss.netty.handler.codec.http.HttpVersion;
import org.jboss.netty.handler.ssl.SslHandler;
import org.jboss.netty.handler.stream.ChunkedFile;
import org.jboss.netty.handler.stream.ChunkedWriteHandler;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.net.ssl.SSLEngine;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.RandomAccessFile;
import java.net.ConnectException;
import java.net.InetSocketAddress;
import java.net.MalformedURLException;
import java.net.URI;
import java.nio.channels.ClosedChannelException;
import java.nio.channels.FileChannel;
import java.nio.channels.WritableByteChannel;
import java.security.GeneralSecurityException;
import java.security.NoSuchAlgorithmException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.Map.Entry;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.concurrent.RejectedExecutionException;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicInteger;
import static com.ning.http.util.AsyncHttpProviderUtils.DEFAULT_CHARSET;
import static org.jboss.netty.channel.Channels.pipeline;
public class NettyAsyncHttpProvider extends SimpleChannelUpstreamHandler implements AsyncHttpProvider<HttpResponse> {
private final static String HTTP_HANDLER = "httpHandler";
final static String SSL_HANDLER = "sslHandler";
private final static String HTTPS = "https";
private final static String HTTP = "http";
private final static Logger log = LoggerFactory.getLogger(NettyAsyncHttpProvider.class);
private final ClientBootstrap plainBootstrap;
private final ClientBootstrap secureBootstrap;
private final static int MAX_BUFFERED_BYTES = 8192;
private final AsyncHttpClientConfig config;
private final AtomicBoolean isClose = new AtomicBoolean(false);
private final ClientSocketChannelFactory socketChannelFactory;
private final ChannelGroup openChannels = new
CleanupChannelGroup("asyncHttpClient") {
@Override
public boolean remove(Object o) {
boolean removed = super.remove(o);
if (removed && trackConnections) {
maxConnections.decrementAndGet();
}
return removed;
}
};
private final ConnectionsPool<String, Channel> connectionsPool;
private final AtomicInteger maxConnections = new AtomicInteger();
private final NettyAsyncHttpProviderConfig asyncHttpProviderConfig;
private boolean executeConnectAsync = false;
public static final ThreadLocal<Boolean> IN_IO_THREAD = new ThreadLocalBoolean();
private final boolean trackConnections;
private final boolean useRawUrl;
private final static NTLMEngine ntlmEngine = new NTLMEngine();
private final static SpnegoEngine spnegoEngine = new SpnegoEngine();
public NettyAsyncHttpProvider(AsyncHttpClientConfig config) {
if (config.getAsyncHttpProviderConfig() != null
&& NettyAsyncHttpProviderConfig.class.isAssignableFrom(config.getAsyncHttpProviderConfig().getClass())) {
asyncHttpProviderConfig = NettyAsyncHttpProviderConfig.class.cast(config.getAsyncHttpProviderConfig());
} else {
asyncHttpProviderConfig = new NettyAsyncHttpProviderConfig();
}
if (asyncHttpProviderConfig != null && asyncHttpProviderConfig.getProperty(NettyAsyncHttpProviderConfig.USE_BLOCKING_IO) != null) {
socketChannelFactory = new OioClientSocketChannelFactory(config.executorService());
} else {
socketChannelFactory = new NioClientSocketChannelFactory(
Executors.newCachedThreadPool(),
config.executorService());
}
plainBootstrap = new ClientBootstrap(socketChannelFactory);
secureBootstrap = new ClientBootstrap(socketChannelFactory);
this.config = config;
// This is dangerous as we can't catch a wrong typed ConnectionsPool
ConnectionsPool<String, Channel> cp = (ConnectionsPool<String, Channel>) config.getConnectionsPool();
if (cp == null && config.getAllowPoolingConnection()) {
cp = new NettyConnectionsPool(this);
} else if (cp == null) {
cp = new NonConnectionsPool();
}
this.connectionsPool = cp;
configureNetty();
trackConnections = (config.getMaxTotalConnections() != -1);
useRawUrl=config.isUseRawUrl();
}
@Override
public String toString() {
return String.format("NettyAsyncHttpProvider:\n\t- maxConnections: %d\n\t- openChannels: %s\n\t- connectionPools: %s",
maxConnections.get(),
openChannels.toString(),
connectionsPool.toString());
}
void configureNetty() {
if (asyncHttpProviderConfig != null) {
for (Entry<String, Object> entry : asyncHttpProviderConfig.propertiesSet()) {
plainBootstrap.setOption(entry.getKey(), entry.getValue());
}
}
plainBootstrap.setPipelineFactory(new ChannelPipelineFactory() {
/* @Override */
public ChannelPipeline getPipeline() throws Exception {
ChannelPipeline pipeline = pipeline();
pipeline.addLast(HTTP_HANDLER, new HttpClientCodec());
if (config.getRequestCompressionLevel() > 0) {
pipeline.addLast("deflater", new HttpContentCompressor(config.getRequestCompressionLevel()));
}
if (config.isCompressionEnabled()) {
pipeline.addLast("inflater", new HttpContentDecompressor());
}
pipeline.addLast("chunkedWriter", new ChunkedWriteHandler());
pipeline.addLast("httpProcessor", NettyAsyncHttpProvider.this);
return pipeline;
}
});
DefaultChannelFuture.setUseDeadLockChecker(false);
if (asyncHttpProviderConfig != null) {
if (asyncHttpProviderConfig.getProperty(NettyAsyncHttpProviderConfig.EXECUTE_ASYNC_CONNECT) != null) {
executeConnectAsync = true;
} else if (asyncHttpProviderConfig.getProperty(NettyAsyncHttpProviderConfig.DISABLE_NESTED_REQUEST) != null) {
DefaultChannelFuture.setUseDeadLockChecker(true);
}
}
}
void constructSSLPipeline(final NettyConnectListener<?> cl) {
secureBootstrap.setPipelineFactory(new ChannelPipelineFactory() {
/* @Override */
public ChannelPipeline getPipeline() throws Exception {
ChannelPipeline pipeline = pipeline();
try {
pipeline.addLast(SSL_HANDLER, new SslHandler(createSSLEngine()));
} catch (Throwable ex) {
abort(cl.future(), ex);
}
pipeline.addLast(HTTP_HANDLER, new HttpClientCodec());
if (config.isCompressionEnabled()) {
pipeline.addLast("inflater", new HttpContentDecompressor());
}
pipeline.addLast("chunkedWriter", new ChunkedWriteHandler());
pipeline.addLast("httpProcessor", NettyAsyncHttpProvider.this);
return pipeline;
}
});
if (asyncHttpProviderConfig != null) {
for (Entry<String, Object> entry : asyncHttpProviderConfig.propertiesSet()) {
secureBootstrap.setOption(entry.getKey(), entry.getValue());
}
}
}
private Channel lookupInCache(URI uri) {
final Channel channel = connectionsPool.poll(AsyncHttpProviderUtils.getBaseUrl(uri));
if (channel != null) {
log.debug("Using cached Channel {}\n for uri {}\n", channel, uri);
try {
// Always make sure the channel who got cached support the proper protocol. It could
// only occurs when a HttpMethod.CONNECT is used agains a proxy that require upgrading from http to
// https.
return verifyChannelPipeline(channel, uri.getScheme());
} catch (Exception ex) {
log.debug(ex.getMessage(), ex);
}
}
return null;
}
private SSLEngine createSSLEngine() throws IOException, GeneralSecurityException {
SSLEngine sslEngine = config.getSSLEngineFactory().newSSLEngine();
if (sslEngine == null) {
sslEngine = SslUtils.getSSLEngine();
}
return sslEngine;
}
private Channel verifyChannelPipeline(Channel channel, String scheme) throws IOException, GeneralSecurityException {
if (channel.getPipeline().get(SSL_HANDLER) != null && HTTP.equalsIgnoreCase(scheme)) {
channel.getPipeline().remove(SSL_HANDLER);
} else if (channel.getPipeline().get(HTTP_HANDLER) != null && HTTP.equalsIgnoreCase(scheme)) {
return channel;
} else if (channel.getPipeline().get(SSL_HANDLER) == null && HTTPS.equalsIgnoreCase(scheme)) {
channel.getPipeline().addFirst(SSL_HANDLER, new SslHandler(createSSLEngine()));
}
return channel;
}
protected final <T> void writeRequest(final Channel channel,
final AsyncHttpClientConfig config,
final NettyResponseFuture<T> future,
final HttpRequest nettyRequest) {
try {
/**
* If the channel is dead because it was pooled and the remote server decided to close it,
* we just let it go and the closeChannel do it's work.
*/
if (!channel.isOpen() || !channel.isConnected()) {
return;
}
Body body = null;
if (!future.getNettyRequest().getMethod().equals(HttpMethod.CONNECT)) {
if (future.getRequest().getBodyGenerator() != null) {
try {
body = future.getRequest().getBodyGenerator().createBody();
} catch (IOException ex) {
throw new IllegalStateException(ex);
}
long length = body.getContentLength();
if (length >= 0) {
nettyRequest.setHeader(HttpHeaders.Names.CONTENT_LENGTH, length);
} else {
nettyRequest.setHeader(HttpHeaders.Names.TRANSFER_ENCODING, HttpHeaders.Values.CHUNKED);
}
} else {
body = null;
}
}
if (TransferCompletionHandler.class.isAssignableFrom(future.getAsyncHandler().getClass())) {
FluentCaseInsensitiveStringsMap h = new FluentCaseInsensitiveStringsMap();
for (String s : future.getNettyRequest().getHeaderNames()) {
for (String header : future.getNettyRequest().getHeaders(s)) {
h.add(s, header);
}
}
TransferCompletionHandler.class.cast(future.getAsyncHandler()).transferAdapter(
new NettyTransferAdapter(h, nettyRequest.getContent(), future.getRequest().getFile()));
}
// Leave it to true.
if (future.getAndSetWriteHeaders(true)) {
try {
channel.write(nettyRequest).addListener(new ProgressListener(true, future.getAsyncHandler(), future));
} catch (Throwable cause) {
log.debug(cause.getMessage(), cause);
try {
channel.close();
} catch (RuntimeException ex) {
log.debug(ex.getMessage(), ex);
}
return;
}
}
if (future.getAndSetWriteBody(true)) {
if (!future.getNettyRequest().getMethod().equals(HttpMethod.CONNECT)) {
if (future.getRequest().getFile() != null) {
final File file = future.getRequest().getFile();
long fileLength = 0;
final RandomAccessFile raf = new RandomAccessFile(file, "r");
try {
fileLength = raf.length();
ChannelFuture writeFuture;
if (channel.getPipeline().get(SslHandler.class) != null) {
writeFuture = channel.write(new ChunkedFile(raf, 0, fileLength, 8192));
writeFuture.addListener(new ProgressListener(false, future.getAsyncHandler(), future));
} else {
final FileRegion region = new OptimizedFileRegion(raf, 0, fileLength);
writeFuture = channel.write(region);
writeFuture.addListener(new ProgressListener(false, future.getAsyncHandler(), future));
}
} catch (IOException ex) {
if (raf != null) {
try {
raf.close();
} catch (IOException e) {
}
}
throw ex;
}
} else if (body != null) {
ChannelFuture writeFuture;
if (channel.getPipeline().get(SslHandler.class) == null && (body instanceof RandomAccessBody)) {
writeFuture = channel.write(new BodyFileRegion((RandomAccessBody) body));
} else {
writeFuture = channel.write(new BodyChunkedInput(body));
}
final Body b = body;
writeFuture.addListener(new ProgressListener(false, future.getAsyncHandler(), future) {
public void operationComplete(ChannelFuture cf) {
try {
b.close();
} catch (IOException e) {
log.warn("Failed to close request body: {}", e.getMessage(), e);
}
super.operationComplete(cf);
}
});
}
}
}
} catch (Throwable ioe) {
try {
channel.close();
} catch (RuntimeException ex) {
log.debug(ex.getMessage(), ex);
}
}
try {
future.touch();
int delay = requestTimeout(config, future.getRequest().getPerRequestConfig());
if (delay != -1) {
ReaperFuture reaperFuture = new ReaperFuture(channel, future);
Future scheduledFuture = config.reaper().scheduleAtFixedRate(reaperFuture, delay, 500, TimeUnit.MILLISECONDS);
reaperFuture.setScheduledFuture(scheduledFuture);
future.setReaperFuture(reaperFuture);
}
} catch (RejectedExecutionException ex) {
abort(future, ex);
}
}
protected final static HttpRequest buildRequest(AsyncHttpClientConfig config, Request request, URI uri,
boolean allowConnect, ChannelBuffer buffer) throws IOException {
String method = request.getMethod();
if (allowConnect && ((request.getProxyServer() != null || config.getProxyServer() != null) && HTTPS.equalsIgnoreCase(uri.getScheme()))) {
method = HttpMethod.CONNECT.toString();
}
return construct(config, request, new HttpMethod(method), uri, buffer);
}
@SuppressWarnings("deprecation")
private static HttpRequest construct(AsyncHttpClientConfig config,
Request request,
HttpMethod m,
URI uri,
ChannelBuffer buffer) throws IOException {
String host = uri.getHost();
if (request.getVirtualHost() != null) {
host = request.getVirtualHost();
}
HttpRequest nettyRequest;
if (m.equals(HttpMethod.CONNECT)) {
nettyRequest = new DefaultHttpRequest(HttpVersion.HTTP_1_0, m, AsyncHttpProviderUtils.getAuthority(uri));
} else if (config.getProxyServer() != null || request.getProxyServer() != null) {
nettyRequest = new DefaultHttpRequest(HttpVersion.HTTP_1_1, m, uri.toString());
} else {
StringBuilder path = new StringBuilder(uri.getRawPath());
if (uri.getQuery() != null) {
path.append("?").append(uri.getRawQuery());
}
nettyRequest = new DefaultHttpRequest(HttpVersion.HTTP_1_1, m, path.toString());
}
if (host != null) {
if (uri.getPort() == -1) {
nettyRequest.setHeader(HttpHeaders.Names.HOST, host);
} else {
nettyRequest.setHeader(HttpHeaders.Names.HOST, host + ":" + uri.getPort());
}
} else {
host = "127.0.0.1";
}
if (!m.equals(HttpMethod.CONNECT)) {
FluentCaseInsensitiveStringsMap h = request.getHeaders();
if (h != null) {
for (String name : h.keySet()) {
if (!"host".equalsIgnoreCase(name)) {
for (String value : h.get(name)) {
nettyRequest.addHeader(name, value);
}
}
}
}
if (config.isCompressionEnabled()) {
nettyRequest.setHeader(HttpHeaders.Names.ACCEPT_ENCODING, HttpHeaders.Values.GZIP);
}
}
ProxyServer proxyServer = request.getProxyServer() != null ? request.getProxyServer() : config.getProxyServer();
Realm realm = request.getRealm() != null ? request.getRealm() : config.getRealm();
if (realm != null && realm.getUsePreemptiveAuth()) {
switch (realm.getAuthScheme()) {
case BASIC:
nettyRequest.setHeader(HttpHeaders.Names.AUTHORIZATION,
AuthenticatorUtils.computeBasicAuthentication(realm));
break;
case DIGEST:
if (realm.getNonce() != null && !realm.getNonce().equals("")) {
try {
nettyRequest.setHeader(HttpHeaders.Names.AUTHORIZATION,
AuthenticatorUtils.computeDigestAuthentication(realm));
} catch (NoSuchAlgorithmException e) {
throw new SecurityException(e);
}
}
break;
case NTLM:
try {
nettyRequest.setHeader(HttpHeaders.Names.AUTHORIZATION,
ntlmEngine.generateType1Msg("NTLM " + realm.getNtlmDomain(), realm.getNtlmHost()));
} catch (NTLMEngineException e) {
IOException ie = new IOException();
ie.initCause(e);
throw ie;
}
break;
case KERBEROS:
case SPNEGO:
String challengeHeader = null;
String server = proxyServer == null ? host : proxyServer.getHost();
try {
challengeHeader = spnegoEngine.generateToken(server);
} catch (Throwable e) {
IOException ie = new IOException();
ie.initCause(e);
throw ie;
}
nettyRequest.setHeader(HttpHeaders.Names.AUTHORIZATION, "Negotiate " + challengeHeader);
break;
case NONE:
break;
default:
throw new IllegalStateException(String.format("Invalid Authentication %s", realm.toString()));
}
}
if (!request.getHeaders().containsKey(HttpHeaders.Names.CONNECTION)) {
nettyRequest.setHeader(HttpHeaders.Names.CONNECTION, "keep-alive");
}
boolean avoidProxy = ProxyUtils.avoidProxy(proxyServer, request);
if (!avoidProxy) {
if (!request.getHeaders().containsKey("Proxy-Connection")) {
nettyRequest.setHeader("Proxy-Connection", "keep-alive");
}
if (proxyServer.getPrincipal() != null) {
nettyRequest.setHeader(HttpHeaders.Names.PROXY_AUTHORIZATION,
AuthenticatorUtils.computeBasicAuthentication(proxyServer));
}
}
// Add default accept headers.
if (request.getHeaders().getFirstValue("Accept") == null) {
nettyRequest.setHeader(HttpHeaders.Names.ACCEPT, "*/*");
}
if (request.getHeaders().getFirstValue("User-Agent") == null && config.getUserAgent() != null) {
nettyRequest.setHeader("User-Agent", config.getUserAgent());
} else if (config.getUserAgent() != null) {
nettyRequest.setHeader("User-Agent", config.getUserAgent());
} else if (request.getHeaders().getFirstValue("User-Agent") != null) {
nettyRequest.setHeader("User-Agent", request.getHeaders().getFirstValue("User-Agent"));
} else {
nettyRequest.setHeader("User-Agent", AsyncHttpProviderUtils.constructUserAgent(NettyAsyncHttpProvider.class));
}
if (!m.equals(HttpMethod.CONNECT)) {
if (request.getCookies() != null && !request.getCookies().isEmpty()) {
CookieEncoder httpCookieEncoder = new CookieEncoder(false);
Iterator<Cookie> ic = request.getCookies().iterator();
Cookie c;
org.jboss.netty.handler.codec.http.Cookie cookie;
while (ic.hasNext()) {
c = ic.next();
cookie = new DefaultCookie(c.getName(), c.getValue());
cookie.setPath(c.getPath());
cookie.setMaxAge(c.getMaxAge());
cookie.setDomain(c.getDomain());
httpCookieEncoder.addCookie(cookie);
}
nettyRequest.setHeader(HttpHeaders.Names.COOKIE, httpCookieEncoder.encode());
}
String reqType = request.getMethod();
if (!"GET".equals(reqType) && !"HEAD".equals(reqType) && !"OPTION".equals(reqType) && !"TRACE".equals(reqType)) {
String bodyCharset = request.getBodyEncoding() == null ? DEFAULT_CHARSET : request.getBodyEncoding();
// We already have processed the body.
if (buffer != null && buffer.writerIndex() != 0) {
nettyRequest.setHeader(HttpHeaders.Names.CONTENT_LENGTH, buffer.writerIndex());
nettyRequest.setContent(buffer);
} else if (request.getByteData() != null) {
nettyRequest.setHeader(HttpHeaders.Names.CONTENT_LENGTH, String.valueOf(request.getByteData().length));
nettyRequest.setContent(ChannelBuffers.copiedBuffer(request.getByteData()));
} else if (request.getStringData() != null) {
nettyRequest.setHeader(HttpHeaders.Names.CONTENT_LENGTH, String.valueOf(request.getStringData().getBytes(bodyCharset).length));
nettyRequest.setContent(ChannelBuffers.copiedBuffer(request.getStringData(), bodyCharset));
} else if (request.getStreamData() != null) {
int[] lengthWrapper = new int[1];
byte[] bytes = AsyncHttpProviderUtils.readFully(request.getStreamData(), lengthWrapper);
int length = lengthWrapper[0];
nettyRequest.setHeader(HttpHeaders.Names.CONTENT_LENGTH, String.valueOf(length));
nettyRequest.setContent(ChannelBuffers.copiedBuffer(bytes, 0, length));
} else if (request.getParams() != null) {
StringBuilder sb = new StringBuilder();
for (final Entry<String, List<String>> paramEntry : request.getParams()) {
final String key = paramEntry.getKey();
for (final String value : paramEntry.getValue()) {
if (sb.length() > 0) {
sb.append("&");
}
UTF8UrlEncoder.appendEncoded(sb, key);
sb.append("=");
UTF8UrlEncoder.appendEncoded(sb, value);
}
}
nettyRequest.setHeader(HttpHeaders.Names.CONTENT_LENGTH, String.valueOf(sb.length()));
nettyRequest.setContent(ChannelBuffers.copiedBuffer(sb.toString().getBytes(bodyCharset)));
if (!request.getHeaders().containsKey(HttpHeaders.Names.CONTENT_TYPE)) {
nettyRequest.setHeader(HttpHeaders.Names.CONTENT_TYPE, "application/x-www-form-urlencoded");
}
} else if (request.getParts() != null) {
int lenght = computeAndSetContentLength(request, nettyRequest);
if (lenght == -1) {
lenght = MAX_BUFFERED_BYTES;
}
MultipartRequestEntity mre = AsyncHttpProviderUtils.createMultipartRequestEntity(request.getParts(), request.getParams());
nettyRequest.setHeader(HttpHeaders.Names.CONTENT_TYPE, mre.getContentType());
nettyRequest.setHeader(HttpHeaders.Names.CONTENT_LENGTH, String.valueOf(mre.getContentLength()));
ChannelBuffer b = ChannelBuffers.dynamicBuffer(lenght);
mre.writeRequest(new ChannelBufferOutputStream(b));
nettyRequest.setContent(b);
} else if (request.getEntityWriter() != null) {
int lenght = computeAndSetContentLength(request, nettyRequest);
if (lenght == -1) {
lenght = MAX_BUFFERED_BYTES;
}
ChannelBuffer b = ChannelBuffers.dynamicBuffer(lenght);
request.getEntityWriter().writeEntity(new ChannelBufferOutputStream(b));
nettyRequest.setHeader(HttpHeaders.Names.CONTENT_LENGTH, b.writerIndex());
nettyRequest.setContent(b);
} else if (request.getFile() != null) {
File file = request.getFile();
if (!file.isFile()) {
throw new IOException(String.format("File %s is not a file or doesn't exist", file.getAbsolutePath()));
}
nettyRequest.setHeader(HttpHeaders.Names.CONTENT_LENGTH, file.length());
}
}
}
return nettyRequest;
}
public void close() {
isClose.set(true);
try {
connectionsPool.destroy();
openChannels.close();
for(Channel channel: openChannels) {
ChannelHandlerContext ctx = channel.getPipeline().getContext(NettyAsyncHttpProvider.class);
if (ctx.getAttachment() instanceof NettyResponseFuture<?>) {
NettyResponseFuture<?> future = (NettyResponseFuture<?>) ctx.getAttachment();
future.setReaperFuture(null);
}
}
config.executorService().shutdown();
config.reaper().shutdown();
socketChannelFactory.releaseExternalResources();
plainBootstrap.releaseExternalResources();
secureBootstrap.releaseExternalResources();
} catch (Throwable t) {
log.warn("Unexpected error on close", t);
}
}
/* @Override */
public Response prepareResponse(final HttpResponseStatus status,
final HttpResponseHeaders headers,
final Collection<HttpResponseBodyPart> bodyParts) {
return new NettyResponse(status, headers, bodyParts);
}
/* @Override */
public <T> ListenableFuture<T> execute(Request request, final AsyncHandler<T> asyncHandler) throws IOException {
return doConnect(request, asyncHandler, null, true, executeConnectAsync, false);
}
private <T> void execute(final Request request, final NettyResponseFuture<T> f, boolean useCache, boolean asyncConnect) throws IOException {
doConnect(request, f.getAsyncHandler(), f, useCache, asyncConnect, false);
}
private <T> void execute(final Request request, final NettyResponseFuture<T> f, boolean useCache, boolean asyncConnect, boolean reclaimCache) throws IOException {
doConnect(request, f.getAsyncHandler(), f, useCache, asyncConnect, reclaimCache);
}
private <T> ListenableFuture<T> doConnect(final Request request, final AsyncHandler<T> asyncHandler, NettyResponseFuture<T> f,
boolean useCache, boolean asyncConnect, boolean reclaimCache) throws IOException {
if (isClose.get()) {
throw new IOException("Closed");
}
ProxyServer proxyServer = request.getProxyServer() != null ? request.getProxyServer() : config.getProxyServer();
String requestUrl;
if(useRawUrl) {
requestUrl=request.getRawUrl();
} else {
requestUrl=request.getUrl();
}
URI uri = AsyncHttpProviderUtils.createUri(requestUrl);
Channel channel = null;
if (useCache) {
if (f != null && f.reuseChannel() && f.channel() != null) {
channel = f.channel();
} else {
channel = lookupInCache(uri);
}
}
ChannelBuffer bufferedBytes = null;
if (f != null && f.getRequest().getFile() == null &&
!f.getNettyRequest().getMethod().getName().equals(HttpMethod.CONNECT.getName())) {
bufferedBytes = f.getNettyRequest().getContent();
}
boolean useSSl = uri.getScheme().compareToIgnoreCase(HTTPS) == 0 && proxyServer == null;
if (channel != null && channel.isOpen() && channel.isConnected()) {
HttpRequest nettyRequest = buildRequest(config, request, uri, false, bufferedBytes);
if (f == null) {
f = newFuture(uri, request, asyncHandler, nettyRequest, config, this);
} else {
f.setNettyRequest(nettyRequest);
}
f.setState(NettyResponseFuture.STATE.POOLED);
f.attachChannel(channel, false);
log.debug("\nUsing cached Channel {}\n for request \n{}\n", channel, nettyRequest);
channel.getPipeline().getContext(NettyAsyncHttpProvider.class).setAttachment(f);
try {
writeRequest(channel, config, f, nettyRequest);
} catch (IllegalStateException ex) {
log.debug("writeRequest failure", ex);
if (useSSl && ex.getMessage() != null && ex.getMessage().contains("SSLEngine")) {
log.debug("SSLEngine failure", ex);
f = null;
} else {
throw ex;
}
}
return f;
}
// Do not throw an exception when we need an extra connection for a redirect.
if (!reclaimCache && (!connectionsPool.canCacheConnection() ||
(config.getMaxTotalConnections() > -1 && (maxConnections.get() + 1) > config.getMaxTotalConnections()))) {
IOException ex = new IOException(String.format("Too many connections %s", config.getMaxTotalConnections()));
try {
asyncHandler.onThrowable(ex);
} catch (Throwable t) {
log.warn("!connectionsPool.canCacheConnection()",t);
}
throw ex;
}
NettyConnectListener<T> c = new NettyConnectListener.Builder<T>(config, request, asyncHandler, f, this, bufferedBytes).build(uri);
boolean avoidProxy = ProxyUtils.avoidProxy(proxyServer, uri.getHost());
if (useSSl) {
constructSSLPipeline(c);
}
if (trackConnections) {
maxConnections.incrementAndGet();
}
ChannelFuture channelFuture;
ClientBootstrap bootstrap = useSSl ? secureBootstrap : plainBootstrap;
bootstrap.setOption("connectTimeoutMillis", config.getConnectionTimeoutInMs());
// Do no enable this with win.
if (System.getProperty("os.name").toLowerCase().indexOf("win") == -1) {
bootstrap.setOption("reuseAddress", asyncHttpProviderConfig.getProperty(NettyAsyncHttpProviderConfig.REUSE_ADDRESS));
}
try {
if (proxyServer == null || avoidProxy) {
channelFuture = bootstrap.connect(new InetSocketAddress(uri.getHost(), AsyncHttpProviderUtils.getPort(uri)));
} else {
channelFuture = bootstrap.connect(new InetSocketAddress(proxyServer.getHost(), proxyServer.getPort()));
}
} catch (Throwable t) {
abort(c.future(), t.getCause() == null ? t : t.getCause());
return c.future();
}
boolean directInvokation = true;
if (IN_IO_THREAD.get() && DefaultChannelFuture.isUseDeadLockChecker()) {
directInvokation = false;
}
if (directInvokation && !asyncConnect && request.getFile() == null) {
int timeOut = config.getConnectionTimeoutInMs() > 0 ? config.getConnectionTimeoutInMs() : Integer.MAX_VALUE;
if (!channelFuture.awaitUninterruptibly(timeOut, TimeUnit.MILLISECONDS)) {
abort(c.future(), new ConnectException("Connect times out"));
}
try {
c.operationComplete(channelFuture);
} catch (Exception e) {
IOException ioe = new IOException(e.getMessage());
ioe.initCause(e);
throw ioe;
}
} else {
channelFuture.addListener(c);
}
log.debug("\nNon cached request \n{}\n\nusing Channel \n{}\n", c.future().getNettyRequest(), channelFuture.getChannel());
if (!c.future().isCancelled() || !c.future().isDone()) {
openChannels.add(channelFuture.getChannel());
c.future().attachChannel(channelFuture.getChannel(), false);
}
return c.future();
}
protected static int requestTimeout(AsyncHttpClientConfig config, PerRequestConfig perRequestConfig) {
int result;
if (perRequestConfig != null) {
int prRequestTimeout = perRequestConfig.getRequestTimeoutInMs();
result = (prRequestTimeout != 0 ? prRequestTimeout : config.getRequestTimeoutInMs());
} else {
result = config.getRequestTimeoutInMs();
}
return result;
}
private void closeChannel(final ChannelHandlerContext ctx) {
connectionsPool.removeAll(ctx.getChannel());
finishChannel(ctx);
}
private void finishChannel(final ChannelHandlerContext ctx) {
ctx.setAttachment(new DiscardEvent());
// The channel may have already been removed if a timeout occurred, and this method may be called just after.
if (ctx.getChannel() == null) {
return;
}
log.debug("Closing Channel {} ", ctx.getChannel());
try {
ctx.getChannel().close();
} catch (Throwable t) {
log.debug("Error closing a connection", t);
}
if (ctx.getChannel() != null) {
openChannels.remove(ctx.getChannel());
}
}
@Override
public void messageReceived(final ChannelHandlerContext ctx, MessageEvent e) throws Exception {
//call super to reset the read timeout
super.messageReceived(ctx, e);
IN_IO_THREAD.set(Boolean.TRUE);
if (ctx.getAttachment() == null) {
log.debug("ChannelHandlerContext wasn't having any attachment");
}
if (ctx.getAttachment() instanceof DiscardEvent) {
return;
} else if (ctx.getAttachment() instanceof AsyncCallable) {
if (e.getMessage() instanceof HttpChunk) {
HttpChunk chunk = (HttpChunk) e.getMessage();
if (chunk.isLast()) {
AsyncCallable ac = (AsyncCallable) ctx.getAttachment();
ac.call();
}else{
return;
}
} else {
AsyncCallable ac = (AsyncCallable) ctx.getAttachment();
ac.call();
}
ctx.setAttachment(new DiscardEvent());
return;
} else if (!(ctx.getAttachment() instanceof NettyResponseFuture<?>)) {
// The IdleStateHandler times out and he is calling us.
// We already closed the channel in IdleStateHandler#channelIdle
// so we have nothing to do
return;
}
final NettyResponseFuture<?> future = (NettyResponseFuture<?>) ctx.getAttachment();
future.touch();
HttpRequest nettyRequest = future.getNettyRequest();
AsyncHandler<?> handler = future.getAsyncHandler();
Request request = future.getRequest();
HttpResponse response = null;
try {
if (e.getMessage() instanceof HttpResponse) {
response = (HttpResponse) e.getMessage();
log.debug("\n\nRequest {}\n\nResponse {}\n", nettyRequest, response);
// Required if there is some trailing headers.
future.setHttpResponse(response);
int statusCode = response.getStatus().getCode();
String ka = response.getHeader(HttpHeaders.Names.CONNECTION);
future.setKeepAlive(ka == null || ka.toLowerCase().equals("keep-alive"));
List<String> wwwAuth = getWwwAuth(response.getHeaders());
Realm realm = request.getRealm() != null ? request.getRealm() : config.getRealm();
HttpResponseStatus status = new ResponseStatus(future.getURI(), response, this);
FilterContext fc = new FilterContext.FilterContextBuilder().asyncHandler(handler).request(request).responseStatus(status).build();
for (ResponseFilter asyncFilter : config.getResponseFilters()) {
try {
fc = asyncFilter.filter(fc);
if (fc == null) {
throw new NullPointerException("FilterContext is null");
}
} catch (FilterException efe) {
abort(future, efe);
}
}
// The request has changed
if (fc.replayRequest()) {
replayRequest(future, fc, response, ctx);
return;
}
if (statusCode == 401
&& wwwAuth.size() > 0
&& realm != null
&& !future.getAndSetAuth(true)) {
final RequestBuilder builder = new RequestBuilder(future.getRequest());
future.setState(NettyResponseFuture.STATE.NEW);
if (!future.getURI().getPath().equalsIgnoreCase(realm.getUri())) {