/*
* Created on 11-Sep-2006
* Created by Paul Gardner
* Copyright (C) 2006 Aelitis, All Rights Reserved.
*
* This program 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.
* This program 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. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* AELITIS, SAS au capital de 46,603.30 euros
* 8 Allee Lenotre, La Grille Royale, 78600 Le Mesnil le Roi, France.
*
*/
package com.aelitis.azureus.core.impl;
import java.net.*;
import java.io.*;
/**
* Single instance management is a bit of a mess. For some reason the UIs have their own implementations of clients and servers.
* We also have a more generic plugin-accessible single instance service that can be used by launchable plugins but don't give
* a generic mechanism for dealing with the basic mechanism used by the UIs (that run on 6880).
* I have introduced this class to give a programmatic way of passing arguments using the existing 6880 port. Perhaps one day
* the various UI implementations will be rewritten to use this...
* @author Parg
*/
public class
AzureusCoreSingleInstanceClient
{
public static final String ACCESS_STRING = "Azureus Start Server Access";
private static final int CONNECT_TIMEOUT = 500;
private static final int READ_TIMEOUT = 5000;
public boolean
sendArgs(
String[] args,
int max_millis_to_wait )
{
// limit the subset here as we're looping waiting for something to be alive and we can't afford to take ages getting back to the start
long start = System.currentTimeMillis();
while( true ){
long connect_start = System.currentTimeMillis();
if ( connect_start < start ){
start = connect_start;
}
if ( connect_start - start > max_millis_to_wait ){
return( false );
}
Socket sock = null;
try{
sock = new Socket();
sock.connect( new InetSocketAddress( "127.0.0.1", 6880 ), CONNECT_TIMEOUT );
sock.setSoTimeout( READ_TIMEOUT );
PrintWriter pw = new PrintWriter(new OutputStreamWriter(sock.getOutputStream(),"UTF-8"));
StringBuffer buffer = new StringBuffer( ACCESS_STRING + ";args;");
for ( int i = 0 ; i < args.length ; i++ ){
String arg = args[i].replaceAll("&","&&").replaceAll(";","&;");
buffer.append(arg);
buffer.append(';');
}
pw.println(buffer.toString());
pw.flush();
return( true );
}catch( Throwable e ){
long connect_end = System.currentTimeMillis();
long time_taken = connect_end - connect_start;
if ( time_taken < CONNECT_TIMEOUT ){
try{
Thread.sleep( CONNECT_TIMEOUT - time_taken );
}catch( Throwable f ){
}
}
}finally{
try{
if ( sock != null ){
sock.close();
}
}catch( Throwable e ){
}
}
}
}
public static void
main(
String[] args )
{
new AzureusCoreSingleInstanceClient().sendArgs( new String[]{ "6C0B39D9897AF42F624AC2DE010CF33F55CB45EC" }, 30000 );
}
}
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