/*
* $Header: /home/cvs/jakarta-commons/httpclient/src/test/org/apache/commons/httpclient/server/SimpleHttpServer.java,v 1.1.2.4 2003/11/24 23:14:33 oglueck Exp $
* $Revision: 1.1.2.4 $
* $Date: 2003/11/24 23:14:33 $
*
* ====================================================================
*
* The Apache Software License, Version 1.1
*
* Copyright (c) 1999-2003 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Commons", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* 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
* .
*
* [Additional notices, if required by prior licensing conditions]
*
*/
package org.apache.commons.httpclient.server;
import java.io.IOException;
import java.net.ServerSocket;
import java.net.Socket;
import java.net.SocketException;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
import org.apache.commons.httpclient.HttpStatus;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* A simple, but extensible HTTP server, mostly for testing purposes.
*
* @author Christian Kohlschuetter
*/
public class SimpleHttpServer implements Runnable {
private static final Log LOG = LogFactory.getLog(SimpleHttpServer.class);
private ServerSocket server = null;
private Thread t;
private ThreadGroup tg;
private boolean stopped = false;
private Set connections = new HashSet();
private HttpRequestHandler requestHandler = null;
/**
* Creates a new HTTP server instance, using an arbitrary free TCP port
*
* @throws IOException if anything goes wrong during initialization
*/
public SimpleHttpServer() throws IOException {
this(0);
}
/**
* Creates a new HTTP server instance, using the specified TCP port
*
* @param port Desired TCP port
* @throws IOException if anything goes wrong during initialization
*/
public SimpleHttpServer(int port) throws IOException {
server = new ServerSocket(port);
if(LOG.isInfoEnabled()) {
LOG.info("New SimpleHttpServer on port " + getLocalPort());
}
tg = new ThreadGroup("SimpleHttpServer group");
t = new Thread(tg, this, "SimpleHttpServer connection handler");
t.setDaemon(true);
t.start();
}
/**
* Returns the TCP port that this HTTP server instance is bound to.
*
* @return TCP port, or -1 if not running
*/
public int getLocalPort() {
return server.getLocalPort();
}
/**
* Returns the IP address that this HTTP server instance is bound to.
* @return String representation of the IP address or null if not running
*/
public String getLocalAddress() {
return server.getInetAddress().getHostAddress();
}
/**
* Checks if this HTTP server instance is running.
*
* @return true/false
*/
public boolean isRunning() {
if(t == null) {
return false;
}
return t.isAlive();
}
/**
* Stops this HTTP server instance.
*/
public void destroy() {
if (stopped) {
return;
}
stopped = true;
if(LOG.isInfoEnabled()) {
LOG.info("Stopping SimpleHttpServer on port " + getLocalPort());
}
tg.interrupt();
if (server != null) {
try {
server.close();
} catch(IOException e) {
}
}
for (Iterator it = connections.iterator(); it.hasNext();) {
SimpleHttpServerConnection conn =
(SimpleHttpServerConnection) it.next();
conn.destroy();
}
}
/**
* Returns the currently used HttpRequestHandler by this SimpleHttpServer
*
* @return The used HttpRequestHandler, or null.
*/
public HttpRequestHandler getRequestHandler() {
return requestHandler;
}
/**
* Sets the HttpRequestHandler to be used for this SimpleHttpServer.
*
* @param rh Request handler to be used, or null to disable.
*/
public void setRequestHandler(HttpRequestHandler rh) {
requestHandler = rh;
}
public void removeConnection(SimpleHttpServerConnection conn) {
connections.remove(conn);
}
public void processRequest(SimpleHttpServerConnection conn)
throws IOException {
boolean complete = false;
if (requestHandler != null) {
complete = requestHandler.processRequest(conn);
}
if (!complete) {
conn.connectionClose();
ErrorResponse.getInstance().getResponse(HttpStatus.SC_SERVICE_UNAVAILABLE).processRequest(conn);
}
}
public void run() {
try {
while (!Thread.interrupted()) {
Socket socket = server.accept();
try {
SimpleHttpServerConnection conn =
new SimpleHttpServerConnection(this, socket);
connections.add(conn);
Thread t =
new Thread(tg, conn, "SimpleHttpServer connection");
t.setDaemon(true);
t.start();
} catch (IOException e) {
LOG.error("SimpleHttpServer error", e);
throw new RuntimeException(e.getMessage());
}
Thread.sleep(100);
}
} catch (InterruptedException accept) {
} catch (SocketException e) {
if (!stopped) {
LOG.error("SimpleHttpServer error", e);
throw new RuntimeException(e.getMessage());
}
} catch (IOException e) {
LOG.error("SimpleHttpServer error", e);
throw new RuntimeException(e.getMessage());
} finally {
destroy();
}
}
}
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