@Override
public void run() {
handle = null;
if (expireTime == -1) {
return;
}
long current = System.currentTimeMillis();
if (current < expireTime) {
// timeout has been bumped, re-schedule
handle =
WorkerUtils.executeAfter(
connection.getIoThread(),
timeoutCommand,
(expireTime - current) + FUZZ_FACTOR,
TimeUnit.MILLISECONDS);
return;
}
UndertowLogger.REQUEST_LOGGER.tracef(
"Timing out channel %s due to inactivity", connection.getSourceChannel());
IoUtils.safeClose(connection);
if (connection.getSourceChannel().isReadResumed()) {
ChannelListeners.invokeChannelListener(
connection.getSourceChannel(), connection.getSourceChannel().getReadListener());
}
if (connection.getSinkChannel().isWriteResumed()) {
ChannelListeners.invokeChannelListener(
connection.getSinkChannel(), connection.getSinkChannel().getWriteListener());
}
}
/** Notification that the current request is finished */
public void requestDone() {
connection.getSinkChannel().setConduit(originalSinkConduit);
connection.getSourceChannel().setConduit(pushBackStreamSourceConduit);
connection.getSinkChannel().suspendWrites();
connection.getSinkChannel().setWriteListener(null);
if (anyAreSet(state, CLOSE_REQ)) {
currentRequest = null;
this.state |= CLOSED;
IoUtils.safeClose(connection);
} else if (anyAreSet(state, UPGRADE_REQUESTED)) {
connection.getSourceChannel().suspendReads();
currentRequest = null;
return;
}
currentRequest = null;
HttpClientExchange next = pendingQueue.poll();
if (next == null) {
// we resume reads, so if the target goes away we get notified
connection.getSourceChannel().setReadListener(clientReadListener);
connection.getSourceChannel().resumeReads();
} else {
initiateRequest(next);
}
}
/**
* Resets the channel to its original state, effectively disabling all current conduit wrappers.
* The current state is encapsulated inside a {@link ConduitState} object that can be used the
* restore the channel.
*
* @return An opaque representation of the previous channel state
*/
public ConduitState resetChannel() {
ConduitState ret =
new ConduitState(
channel.getSinkChannel().getConduit(), channel.getSourceChannel().getConduit());
channel.getSinkChannel().setConduit(originalSinkConduit);
channel.getSourceChannel().setConduit(originalSourceConduit);
return ret;
}
@Override
public void handleEvent(StreamConnection channel) {
// set read and write timeouts
try {
Integer readTimeout = channel.getOption(Options.READ_TIMEOUT);
Integer idleTimeout = undertowOptions.get(UndertowOptions.IDLE_TIMEOUT);
if ((readTimeout == null || readTimeout <= 0) && idleTimeout != null) {
readTimeout = idleTimeout;
} else if (readTimeout != null && idleTimeout != null && idleTimeout > 0) {
readTimeout = Math.min(readTimeout, idleTimeout);
}
if (readTimeout != null && readTimeout > 0) {
channel
.getSourceChannel()
.setConduit(
new ReadTimeoutStreamSourceConduit(
channel.getSourceChannel().getConduit(), channel, this));
}
Integer writeTimeout = channel.getOption(Options.WRITE_TIMEOUT);
if ((writeTimeout == null || writeTimeout <= 0) && idleTimeout != null) {
writeTimeout = idleTimeout;
} else if (writeTimeout != null && idleTimeout != null && idleTimeout > 0) {
writeTimeout = Math.min(writeTimeout, idleTimeout);
}
if (writeTimeout != null && writeTimeout > 0) {
channel
.getSinkChannel()
.setConduit(
new WriteTimeoutStreamSinkConduit(
channel.getSinkChannel().getConduit(), channel, this));
}
} catch (IOException e) {
IoUtils.safeClose(channel);
UndertowLogger.REQUEST_IO_LOGGER.ioException(e);
}
final PortForwardServerConnection connection =
new PortForwardServerConnection(channel, bufferPool, undertowOptions, bufferSize);
connection
.getWorker()
.execute(
new Runnable() {
@Override
public void run() {
try {
connection.startForwarding(
masterPortForwardConnection,
urlPath,
targetPort,
requestId.getAndIncrement());
} catch (IOException e) {
} finally {
IoUtils.safeClose(connection);
}
}
});
}
@Override
public void run() {
UndertowLogger.REQUEST_LOGGER.tracef("Timing out channel %s due to inactivity");
IoUtils.safeClose(connection);
if (connection.getSourceChannel().isReadResumed()) {
ChannelListeners.invokeChannelListener(
connection.getSourceChannel(), connection.getSourceChannel().getReadListener());
}
if (connection.getSinkChannel().isWriteResumed()) {
ChannelListeners.invokeChannelListener(
connection.getSinkChannel(), connection.getSinkChannel().getWriteListener());
}
}
private void sendBadRequestAndClose(final StreamConnection channel, final Exception exception) {
UndertowLogger.REQUEST_IO_LOGGER.failedToParseRequest(exception);
channel.getSourceChannel().suspendReads();
new StringWriteChannelListener(BAD_REQUEST) {
@Override
protected void writeDone(final StreamSinkChannel c) {
IoUtils.safeClose(channel);
}
}.setup(channel.getSinkChannel());
}
public AjpServerConnection(
StreamConnection channel,
Pool<ByteBuffer> bufferPool,
HttpHandler rootHandler,
OptionMap undertowOptions,
int bufferSize) {
super(channel, bufferPool, rootHandler, undertowOptions, bufferSize);
this.writeReadyHandler =
new WriteReadyHandler.ChannelListenerHandler<ConduitStreamSinkChannel>(
channel.getSinkChannel());
}
public HttpServerConnection(
StreamConnection channel,
final Pool<ByteBuffer> bufferPool,
final HttpHandler rootHandler,
final OptionMap undertowOptions,
final int bufferSize) {
this.channel = channel;
this.bufferPool = bufferPool;
this.rootHandler = rootHandler;
this.undertowOptions = undertowOptions;
this.bufferSize = bufferSize;
closeSetter = ChannelListeners.getDelegatingSetter(channel.getCloseSetter(), this);
this.originalSinkConduit = channel.getSinkChannel().getConduit();
this.originalSourceConduit = channel.getSourceChannel().getConduit();
}
HttpClientConnection(
final StreamConnection connection,
final OptionMap options,
final Pool<ByteBuffer> bufferPool) {
this.options = options;
this.connection = connection;
this.pushBackStreamSourceConduit =
new PushBackStreamSourceConduit(connection.getSourceChannel().getConduit());
this.connection.getSourceChannel().setConduit(pushBackStreamSourceConduit);
this.bufferPool = bufferPool;
this.originalSinkConduit = connection.getSinkChannel().getConduit();
connection
.getCloseSetter()
.set(
new ChannelListener<StreamConnection>() {
public void handleEvent(StreamConnection channel) {
HttpClientConnection.this.state |= CLOSED;
ChannelListeners.invokeChannelListener(
HttpClientConnection.this, closeSetter.get());
}
});
}
/**
* Resores the channel conduits to a previous state.
*
* @see #resetChannel()
* @param state The original state
*/
public void restoreChannel(final ConduitState state) {
channel.getSinkChannel().setConduit(state.sink);
channel.getSourceChannel().setConduit(state.source);
}
private void initiateRequest(HttpClientExchange httpClientExchange) {
currentRequest = httpClientExchange;
pendingResponse = new HttpResponseBuilder();
ClientRequest request = httpClientExchange.getRequest();
String connectionString = request.getRequestHeaders().getFirst(CONNECTION);
if (connectionString != null) {
HttpString connectionHttpString = new HttpString(connectionString);
if (connectionHttpString.equals(CLOSE)) {
state |= CLOSE_REQ;
} else if (connectionHttpString.equals(UPGRADE)) {
state |= UPGRADE_REQUESTED;
}
} else if (request.getProtocol() != Protocols.HTTP_1_1) {
state |= CLOSE_REQ;
}
if (request.getRequestHeaders().contains(UPGRADE)) {
state |= UPGRADE_REQUESTED;
}
// setup the client request conduits
final ConduitStreamSourceChannel sourceChannel = connection.getSourceChannel();
sourceChannel.setReadListener(clientReadListener);
sourceChannel.resumeReads();
ConduitStreamSinkChannel sinkChannel = connection.getSinkChannel();
StreamSinkConduit conduit = originalSinkConduit;
conduit = new HttpRequestConduit(conduit, bufferPool, request);
String fixedLengthString = request.getRequestHeaders().getFirst(CONTENT_LENGTH);
String transferEncodingString = request.getRequestHeaders().getLast(TRANSFER_ENCODING);
boolean hasContent = true;
if (fixedLengthString != null) {
try {
long length = Long.parseLong(fixedLengthString);
conduit =
new ClientFixedLengthStreamSinkConduit(conduit, length, false, false, currentRequest);
hasContent = length != 0;
} catch (NumberFormatException e) {
handleError(new IOException(e));
return;
}
} else if (transferEncodingString != null) {
if (!transferEncodingString
.toLowerCase(Locale.ENGLISH)
.contains(Headers.CHUNKED.toString())) {
handleError(
UndertowClientMessages.MESSAGES.unknownTransferEncoding(transferEncodingString));
return;
}
conduit =
new ChunkedStreamSinkConduit(
conduit,
httpClientExchange.getConnection().getBufferPool(),
false,
false,
httpClientExchange.getRequest().getRequestHeaders(),
requestFinishListener,
httpClientExchange);
} else {
conduit = new ClientFixedLengthStreamSinkConduit(conduit, 0, false, false, currentRequest);
hasContent = false;
}
sinkChannel.setConduit(conduit);
httpClientExchange.invokeReadReadyCallback(httpClientExchange);
if (!hasContent) {
// if there is no content we flush the response channel.
// otherwise it is up to the user
try {
sinkChannel.shutdownWrites();
if (!sinkChannel.flush()) {
sinkChannel.setWriteListener(
ChannelListeners.flushingChannelListener(
null,
new ChannelExceptionHandler<ConduitStreamSinkChannel>() {
@Override
public void handleException(
ConduitStreamSinkChannel channel, IOException exception) {
handleError(exception);
}
}));
}
} catch (IOException e) {
handleError(e);
}
} else if (!sinkChannel.isWriteResumed()) {
try {
// TODO: this needs some more thought
if (!sinkChannel.flush()) {
sinkChannel.setWriteListener(
new ChannelListener<ConduitStreamSinkChannel>() {
@Override
public void handleEvent(ConduitStreamSinkChannel channel) {
try {
if (channel.flush()) {
channel.suspendWrites();
}
} catch (IOException e) {
handleError(e);
}
}
});
sinkChannel.resumeWrites();
}
} catch (IOException e) {
handleError(e);
}
}
}