package io.undertow.server.protocol.http;
import io.undertow.UndertowLogger;
import io.undertow.UndertowMessages;
import io.undertow.UndertowOptions;
import io.undertow.conduits.BytesReceivedStreamSourceConduit;
import io.undertow.conduits.BytesSentStreamSinkConduit;
import io.undertow.conduits.IdleTimeoutConduit;
import io.undertow.conduits.ReadTimeoutStreamSourceConduit;
import io.undertow.conduits.WriteTimeoutStreamSinkConduit;
import io.undertow.server.ConnectorStatistics;
import io.undertow.server.ConnectorStatisticsImpl;
import io.undertow.server.DelegateOpenListener;
import io.undertow.server.HttpHandler;
import io.undertow.server.XnioByteBufferPool;
import org.xnio.ChannelListener;
import org.xnio.IoUtils;
import org.xnio.OptionMap;
import org.xnio.Options;
import io.undertow.connector.ByteBufferPool;
import io.undertow.connector.PooledByteBuffer;
import org.xnio.Pool;
import org.xnio.StreamConnection;
import java.io.IOException;
import java.nio.ByteBuffer;
public final class HttpOpenListener implements ChannelListener<StreamConnection>, DelegateOpenListener {
private final ByteBufferPool bufferPool;
private final int bufferSize;
private volatile HttpHandler rootHandler;
private volatile OptionMap undertowOptions;
private volatile HttpRequestParser parser;
private volatile boolean statisticsEnabled;
private final ConnectorStatisticsImpl connectorStatistics;
@Deprecated
public HttpOpenListener(final Pool<ByteBuffer> pool) {
this(pool, OptionMap.EMPTY);
}
@Deprecated
public HttpOpenListener(final Pool<ByteBuffer> pool, final OptionMap undertowOptions) {
this(new XnioByteBufferPool(pool), undertowOptions);
}
public HttpOpenListener(final ByteBufferPool pool) {
this(pool, OptionMap.EMPTY);
}
public HttpOpenListener(final ByteBufferPool pool, final OptionMap undertowOptions) {
this.undertowOptions = undertowOptions;
this.bufferPool = pool;
PooledByteBuffer buf = pool.allocate();
this.bufferSize = buf.getBuffer().remaining();
buf.close();
parser = HttpRequestParser.instance(undertowOptions);
connectorStatistics = new ConnectorStatisticsImpl();
statisticsEnabled = undertowOptions.get(UndertowOptions.ENABLE_CONNECTOR_STATISTICS, false);
}
@Override
public void handleEvent(StreamConnection channel) {
handleEvent(channel, null);
}
@Override
public void handleEvent(final StreamConnection channel, PooledByteBuffer buffer) {
if (UndertowLogger.REQUEST_LOGGER.isTraceEnabled()) {
UndertowLogger.REQUEST_LOGGER.tracef("Opened connection with %s", channel.getPeerAddress());
}
try {
Integer readTimeout = channel.getOption(Options.READ_TIMEOUT);
Integer idle = undertowOptions.get(UndertowOptions.IDLE_TIMEOUT);
if(idle != null) {
IdleTimeoutConduit conduit = new IdleTimeoutConduit(channel);
channel.getSourceChannel().setConduit(conduit);
channel.getSinkChannel().setConduit(conduit);
}
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) {
channel.getSinkChannel().setConduit(new WriteTimeoutStreamSinkConduit(channel.getSinkChannel().getConduit(), channel, this));
}
} catch (IOException e) {
IoUtils.safeClose(channel);
UndertowLogger.REQUEST_IO_LOGGER.ioException(e);
} catch (Throwable t) {
IoUtils.safeClose(channel);
UndertowLogger.REQUEST_IO_LOGGER.handleUnexpectedFailure(t);
}
if(statisticsEnabled) {
channel.getSinkChannel().setConduit(new BytesSentStreamSinkConduit(channel.getSinkChannel().getConduit(), connectorStatistics.sentAccumulator()));
channel.getSourceChannel().setConduit(new BytesReceivedStreamSourceConduit(channel.getSourceChannel().getConduit(), connectorStatistics.receivedAccumulator()));
}
HttpServerConnection connection = new HttpServerConnection(channel, bufferPool, rootHandler, undertowOptions, bufferSize, statisticsEnabled ? connectorStatistics : null);
HttpReadListener readListener = new HttpReadListener(connection, parser, statisticsEnabled ? connectorStatistics : null);
if(buffer != null) {
if(buffer.getBuffer().hasRemaining()) {
connection.setExtraBytes(buffer);
} else {
buffer.close();
}
}
if(connectorStatistics != null && statisticsEnabled) {
connectorStatistics.incrementConnectionCount();
}
connection.setReadListener(readListener);
readListener.newRequest();
channel.getSourceChannel().setReadListener(readListener);
readListener.handleEvent(channel.getSourceChannel());
}
@Override
public HttpHandler getRootHandler() {
return rootHandler;
}
@Override
public void setRootHandler(final HttpHandler rootHandler) {
this.rootHandler = rootHandler;
}
@Override
public OptionMap getUndertowOptions() {
return undertowOptions;
}
@Override
public void setUndertowOptions(final OptionMap undertowOptions) {
if (undertowOptions == null) {
throw UndertowMessages.MESSAGES.argumentCannotBeNull("undertowOptions");
}
this.undertowOptions = undertowOptions;
this.parser = HttpRequestParser.instance(undertowOptions);
statisticsEnabled = undertowOptions.get(UndertowOptions.ENABLE_CONNECTOR_STATISTICS, false);
}
@Override
public ByteBufferPool getBufferPool() {
return bufferPool;
}
@Override
public ConnectorStatistics getConnectorStatistics() {
if(statisticsEnabled) {
return connectorStatistics;
}
return null;
}
}