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/*******************************************************************************
* Copyright (c) 2006 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.equinox.http;
import java.io.IOException;
import java.io.InterruptedIOException;
import java.net.SocketException;
import javax.servlet.ServletException;
import org.eclipse.equinox.socket.SocketInterface;
/* @ThreadSafe */
public class HttpConnection implements Runnable {
/** Master HTTP object */
private final Http http;
/** socket that this thread is operating */
private final SocketInterface socket;
/** Listener this thread is working for */
private final HttpListener listener;
/** if true, we support Keep-Alive for the socket */
private volatile boolean supportKeepAlive;
public HttpConnection(Http http, HttpListener listenerParam, SocketInterface socketParam, int socketTimeout) {
this.http = http;
this.listener = listenerParam;
this.socket = socketParam;
boolean keepAlive;
if (socketTimeout > 0) {
try {
socketParam.setSoTimeout(socketTimeout);
keepAlive = true;
} catch (SocketException e) {
keepAlive = false;
}
} else {
keepAlive = false;
}
setKeepAlive(keepAlive);
}
public void run() {
boolean keepAlive = false;
try {
if (Http.DEBUG) {
http.logDebug(Thread.currentThread().getName() + ": Processing request on socket: " + socket); //$NON-NLS-1$
}
socket.markInactive(); /* mark inactive: we are not actively processing a request */
listener.handleConnection(socket);
keepAlive = supportKeepAlive && !socket.isClosed();
} catch (InterruptedIOException e) {
/*
* A read on the socket did not complete within the timeout period.
*/
keepAlive = false;
if (Http.DEBUG) {
http.logDebug(Thread.currentThread().getName() + ": Read Timeout while processing connection on socket: " + socket, e); //$NON-NLS-1$
}
} catch (SocketException e) {
/*
* Most likely the user agent closed the socket.
*/
keepAlive = false;
if (Http.DEBUG) {
http.logDebug(Thread.currentThread().getName() + ": Socket Exception while processing connection on socket: " + socket, e); //$NON-NLS-1$
}
}
// BUGBUG Need to handle UnavailableException
// Servlet 2.2 Section 3.3.3.2
// BUGBUG An unhandled exception should result in flushing the response
// buff and returning status code 500.
// Servlet 2.3 Section 9.9.2
catch (ServletException e) {
/*
* The Servlet threw a ServletException.
*/
keepAlive = false;
http.logWarning(HttpMsg.HTTP_SERVLET_EXCEPTION, e);
} catch (IOException e) {
/*
* The Servlet threw an IOException.
*/
keepAlive = false;
http.logWarning(HttpMsg.HTTP_CONNECTION_EXCEPTION, e);
} catch (Throwable t) {
/*
* Some exception has occurred. Log it and keep the thread working.
*/
keepAlive = false;
http.logError(HttpMsg.HTTP_CONNECTION_EXCEPTION, t);
} finally {
if (!keepAlive) {
if (!socket.isClosed()) {
try {
if (Http.DEBUG) {
http.logDebug(Thread.currentThread().getName() + ": Closing socket: " + socket); //$NON-NLS-1$
}
socket.close();
} catch (IOException e) {
// TODO: consider logging
}
}
}
}
}
public void setKeepAlive(boolean keepAlive) {
supportKeepAlive = keepAlive;
}
public boolean isClosed() {
return socket.isClosed();
}
public void close() throws IOException {
socket.close();
}
public boolean isActive() {
return socket.isActive();
}
public String toString() {
return socket.toString();
}
}
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