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// **********************************************************************
//
// Copyright (c) 2003-2007 ZeroC, Inc. All rights reserved.
//
// This copy of Ice-E is licensed to you under the terms described in the
// ICEE_LICENSE file included in this distribution.
//
// **********************************************************************
#include <IceE/Acceptor.h>
#include <IceE/Transceiver.h>
#include <IceE/Instance.h>
#include <IceE/TraceLevels.h>
#include <IceE/LoggerUtil.h>
#include <IceE/Network.h>
#include <IceE/Exception.h>
using namespace std;
using namespace Ice;
using namespace IceInternal;
IceUtil::Shared* IceInternal::upCast(Acceptor* p) { return p; }
SOCKET
IceInternal::Acceptor::fd()
{
return _fd;
}
void
IceInternal::Acceptor::close()
{
if(_traceLevels->network >= 1)
{
Trace out(_logger, _traceLevels->networkCat);
out << "stopping to accept tcp connections at " << toString();
}
SOCKET fd = _fd;
_fd = INVALID_SOCKET;
closeSocket(fd);
}
void
IceInternal::Acceptor::listen()
{
try
{
doListen(_fd, _backlog);
}
catch(...)
{
_fd = INVALID_SOCKET;
throw;
}
if(_traceLevels->network >= 1)
{
Trace out(_logger, _traceLevels->networkCat);
out << "accepting tcp connections at " << toString();
}
}
TransceiverPtr
IceInternal::Acceptor::accept()
{
SOCKET fd = doAccept(_fd);
#ifndef ICEE_USE_SELECT_OR_POLL_FOR_TIMEOUTS
setBlock(fd, true);
#endif
setTcpBufSize(fd, _instance->initializationData().properties, _logger);
if(_traceLevels->network >= 1)
{
Trace out(_logger, _traceLevels->networkCat);
out << "accepted tcp connection\n" << fdToString(fd);
}
return new Transceiver(_instance, fd);
}
void
IceInternal::Acceptor::connectToSelf()
{
SOCKET fd = createSocket();
setBlock(fd, false);
doConnect(fd, _addr, -1);
closeSocket(fd);
}
string
IceInternal::Acceptor::toString() const
{
return addrToString(_addr);
}
int
IceInternal::Acceptor::effectivePort()
{
return ntohs(_addr.sin_port);
}
IceInternal::Acceptor::Acceptor(const InstancePtr& instance, const string& host, int port) :
_instance(instance),
_traceLevels(instance->traceLevels()),
_logger(instance->initializationData().logger),
_backlog(0)
{
if(_backlog <= 0)
{
_backlog = 5;
}
try
{
_fd = createSocket();
getAddress(host, port, _addr);
setTcpBufSize(_fd, _instance->initializationData().properties, _logger);
#ifndef _WIN32
//
// Enable SO_REUSEADDR on Unix platforms to allow re-using the
// socket even if it's in the TIME_WAIT state. On Windows,
// this doesn't appear to be necessary and enabling
// SO_REUSEADDR would actually not be a good thing since it
// allows a second process to bind to an address even it's
// already bound by another process.
//
// TODO: using SO_EXCLUSIVEADDRUSE on Windows would probably
// be better but it's only supported by recent Windows
// versions (XP SP2, Windows Server 2003).
//
setReuseAddress(_fd, true);
#endif
if(_traceLevels->network >= 2)
{
Trace out(_logger, _traceLevels->networkCat);
out << "attempting to bind to tcp socket " << toString();
}
doBind(_fd, _addr);
}
catch(...)
{
_fd = INVALID_SOCKET;
throw;
}
}
IceInternal::Acceptor::~Acceptor()
{
assert(_fd == INVALID_SOCKET);
}
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