/*
* JLibs: Common Utilities for Java
* Copyright (C) 2009 Santhosh Kumar T <santhosh.tekuri@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*/
package jlibs.nio;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.net.Socket;
import java.net.SocketAddress;
import java.nio.channels.SelectionKey;
import java.nio.channels.SocketChannel;
/**
* @author Santhosh Kumar Tekuri
*/
public class TCPConnection extends Connection<SocketChannel>{
public final long id;
public final TCPServer server;
TCPConnection(TCPServer server, SocketChannel selectable) throws IOException{
super(selectable, null);
this.server = server;
id = ++reactor.lastAcceptID;
++reactor.accepted;
server.accepted.incrementAndGet();
init();
}
TCPConnection(long id, SocketChannel selectable, SelectionKey selectionKey) throws IOException{
super(selectable, selectionKey);
server = null;
this.id = id;
--reactor.connectionPending;
++reactor.connected;
init();
}
protected void init() throws IOException{
uniqueID = (server==null ? "C" : "A")+id;
Socket socket = selectable.socket();
if(TCP_NODELAY!=null)
socket.setTcpNoDelay(TCP_NODELAY);
if(SO_LINGER!=null)
socket.setSoLinger(SO_LINGER<0, SO_LINGER);
if(SO_SNDBUF!=null)
socket.setSendBufferSize(SO_SNDBUF);
if(SO_RCVBUF!=null)
socket.setReceiveBufferSize(SO_RCVBUF);
}
public SocketAddress connectedTo(){
return selectable.socket().getRemoteSocketAddress();
}
@Override
public String toString(){
StringBuilder buf = new StringBuilder();
buf.append("TCPConnection").append(id).append("[");
InetSocketAddress address;
if(server==null){
buf.append("c:");
address = (InetSocketAddress)connectedTo();
}else{
buf.append("a:");
address = (InetSocketAddress)server.boundTo();
}
buf.append(address.getHostString()).append(":").append(address.getPort());
buf.append("]");
return buf.toString();
}
@Override
void closing(){
if(server==null)
--reactor.connected;
else{
--reactor.accepted;
server.accepted.decrementAndGet();
}
}
@Override
public void shutdown(){
try{
transport.close();
}catch(IOException ex){
reactor.handleException(ex);
}
}
/*-------------------------------------------------[ Options ]---------------------------------------------------*/
public static Boolean TCP_NODELAY;
public static Integer SO_LINGER;
public static Integer SO_RCVBUF;
public static Integer SO_SNDBUF;
}