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// **********************************************************************
//
// Copyright (c) 2003-2007 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
package IceInternal;
class TcpAcceptor implements Acceptor
{
public java.nio.channels.ServerSocketChannel
fd()
{
return _fd;
}
public void
close()
{
if(_traceLevels.network >= 1)
{
String s = "stopping to accept tcp connections at " + toString();
_logger.trace(_traceLevels.networkCat, s);
}
java.nio.channels.ServerSocketChannel fd;
java.nio.channels.Selector selector;
synchronized(this)
{
fd = _fd;
selector = _selector;
_fd = null;
_selector = null;
}
if(fd != null)
{
try
{
fd.close();
}
catch(java.io.IOException ex)
{
// Ignore.
}
}
if(selector != null)
{
try
{
selector.close();
}
catch(java.io.IOException ex)
{
// Ignore.
}
}
}
public void
listen()
{
// Nothing to do.
if(_traceLevels.network >= 1)
{
String s = "accepting tcp connections at " + toString();
_logger.trace(_traceLevels.networkCat, s);
}
}
public Transceiver
accept(int timeout)
{
java.nio.channels.SocketChannel fd = null;
while(fd == null)
{
try
{
fd = _fd.accept();
if(fd == null)
{
if(_selector == null)
{
_selector = java.nio.channels.Selector.open();
}
while(true)
{
try
{
java.nio.channels.SelectionKey key =
_fd.register(_selector, java.nio.channels.SelectionKey.OP_ACCEPT);
if(timeout > 0)
{
if(_selector.select(timeout) == 0)
{
throw new Ice.TimeoutException();
}
}
else if(timeout == 0)
{
if(_selector.selectNow() == 0)
{
throw new Ice.TimeoutException();
}
}
else
{
_selector.select();
}
break;
}
catch(java.io.IOException ex)
{
if(Network.interrupted(ex))
{
continue;
}
Ice.SocketException se = new Ice.SocketException();
se.initCause(ex);
throw se;
}
}
}
}
catch(java.io.IOException ex)
{
if(Network.interrupted(ex))
{
continue;
}
Ice.SocketException se = new Ice.SocketException();
se.initCause(ex);
throw se;
}
}
Network.setBlock(fd, false);
try
{
java.net.Socket socket = fd.socket();
socket.setTcpNoDelay(true);
socket.setKeepAlive(true);
}
catch(java.io.IOException ex)
{
Ice.SocketException se = new Ice.SocketException();
se.initCause(ex);
throw se;
}
if(_traceLevels.network >= 1)
{
String s = "accepted tcp connection\n" + Network.fdToString(fd);
_logger.trace(_traceLevels.networkCat, s);
}
return new TcpTransceiver(_instance, fd);
}
public void
connectToSelf()
{
java.nio.channels.SocketChannel fd = Network.createTcpSocket();
Network.setBlock(fd, false);
Network.doConnect(fd, _addr, -1);
Network.closeSocket(fd);
}
public String
toString()
{
return Network.addrToString(_addr);
}
final boolean
equivalent(String host, int port)
{
java.net.InetSocketAddress addr = Network.getAddress(host, port);
return addr.equals(_addr);
}
int
effectivePort()
{
return _addr.getPort();
}
TcpAcceptor(Instance instance, String host, int port)
{
_instance = instance;
_traceLevels = instance.traceLevels();
_logger = instance.initializationData().logger;
_backlog = 0;
if(_backlog <= 0)
{
_backlog = 5;
}
try
{
_fd = Network.createTcpServerSocket();
Network.setBlock(_fd, false);
_addr = new java.net.InetSocketAddress(host, port);
if(_traceLevels.network >= 2)
{
String s = "attempting to bind to tcp socket " + toString();
_logger.trace(_traceLevels.networkCat, s);
}
_addr = Network.doBind(_fd, _addr);
}
catch(RuntimeException ex)
{
_fd = null;
throw ex;
}
}
protected synchronized void
finalize()
throws Throwable
{
IceUtil.Assert.FinalizerAssert(_fd == null);
super.finalize();
}
private Instance _instance;
private TraceLevels _traceLevels;
private Ice.Logger _logger;
private java.nio.channels.ServerSocketChannel _fd;
private int _backlog;
private java.net.InetSocketAddress _addr;
private java.nio.channels.Selector _selector;
}
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