/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.vfs;
import com.caucho.util.L10N;
import com.caucho.util.Log;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.net.BindException;
import java.net.InetAddress;
import java.net.ServerSocket;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* Abstract socket to handle both normal sockets and bin/resin sockets.
*/
public class QJniServerSocket {
private static final L10N L = new L10N(QJniServerSocket.class);
private static final Logger log = Log.open(QJniServerSocket.class);
private QJniServerSocket()
{
}
/**
* Creates the SSL ServerSocket.
*/
public static QServerSocket create(int port, int listenBacklog)
throws IOException
{
return create(null, port, listenBacklog, true);
}
public static QServerSocket create(InetAddress host, int port,
int listenBacklog)
throws IOException
{
return create(host, port, listenBacklog, true);
}
/**
* Creates the SSL ServerSocket.
*/
public static QServerSocket create(InetAddress host, int port,
int listenBacklog,
boolean isEnableJni)
throws IOException
{
if (isEnableJni) {
try {
// JNI doesn't listen immediately
QServerSocket ss = createJNI(host, port);
if (ss != null)
return ss;
} catch (IOException e) {
log.log(Level.FINE, e.toString(), e);
} catch (Throwable e) {
log.log(Level.FINE, e.toString(), e);
}
}
for (int i = 0; i < 10; i++) {
try {
ServerSocket ss = new ServerSocket(port, listenBacklog, host);
return new QServerSocketWrapper(ss);
} catch (BindException e) {
}
try {
Thread.sleep(1);
} catch (Throwable e) {
}
}
try {
ServerSocket ss = new ServerSocket(port, listenBacklog, host);
return new QServerSocketWrapper(ss);
} catch (BindException e) {
if (host != null)
throw new BindException(L.l("{0}\nCan't bind to {1}:{2}.\nCheck for another server listening to that port.", e.getMessage(), host, String.valueOf(port)));
else
throw new BindException(L.l("{0}\nCan't bind to *:{1}.\nCheck for another server listening to that port.", e.getMessage(), String.valueOf(port)));
}
}
/**
* Creates the SSL ServerSocket.
*/
public static QServerSocket createJNI(InetAddress host, int port)
throws IOException
{
try {
Thread thread = Thread.currentThread();
ClassLoader loader = thread.getContextClassLoader();
Class<?> cl = Class.forName("com.caucho.vfs.JniServerSocketImpl",
false, loader);
Method method = cl.getMethod("create",
new Class[] { String.class,
int.class });
String hostAddress;
if (host != null)
hostAddress = host.getHostAddress();
else {
hostAddress = null;
}
try {
return (QServerSocket) method.invoke(null, hostAddress, port);
} catch (InvocationTargetException e) {
throw e.getTargetException();
}
} catch (IOException e) {
throw e;
} catch (ClassNotFoundException e) {
log.fine(e.toString());
throw new IOException(L.l("JNI Socket support requires Resin Professional."),
e);
} catch (Throwable e) {
log.log(Level.FINE, e.toString(), e);
throw new IOException(L.l("JNI Socket support requires Resin Professional."),
e);
}
}
/**
* Creates the SSL ServerSocket.
*/
public static QServerSocket openJNI(int fd, int port)
throws IOException
{
try {
Class<?> cl = Class.forName("com.caucho.vfs.JniServerSocketImpl");
Method method = cl.getMethod("open", new Class[] { int.class,
int.class});
try {
return (QServerSocket) method.invoke(null, fd, port);
} catch (InvocationTargetException e) {
throw e.getTargetException();
}
} catch (IOException e) {
throw e;
} catch (ClassNotFoundException e) {
log.fine(e.toString());
throw new IOException(L.l("JNI Socket support requires Resin Professional."));
} catch (Throwable e) {
log.log(Level.FINE, e.toString(), e);
throw new IOException(L.l("JNI Socket support requires Resin Professional."));
}
}
}