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// **********************************************************************
//
// Copyright (c) 2001
// MutableRealms, Inc.
// Huntsville, AL, USA
//
// All Rights Reserved
//
// **********************************************************************
#include <Ice/UdpTransceiver.h>
#include <Ice/Instance.h>
#include <Ice/TraceLevels.h>
#include <Ice/Logger.h>
#include <Ice/Buffer.h>
#include <Ice/Network.h>
#include <Ice/Exception.h>
using namespace std;
using namespace Ice;
using namespace IceInternal;
SOCKET
IceInternal::UdpTransceiver::fd()
{
return _fd;
}
void
IceInternal::UdpTransceiver::close()
{
if (_traceLevels->network >= 1)
{
ostringstream s;
if (_sender)
{
s << "stopping to send " << _protocolName << " packets to " << toString();
}
else
{
s << "stopping to receive " << _protocolName << " packets at " << toString();
}
_logger->trace(_traceLevels->networkCat, s.str());
}
SOCKET fd = _fd;
_fd = INVALID_SOCKET;
closeSocket(fd);
}
void
IceInternal::UdpTransceiver::shutdown()
{
}
void
IceInternal::UdpTransceiver::write(Buffer& buf, int)
{
assert(_sender);
assert(buf.i == buf.b.begin());
#ifndef NDEBUG
const int packetSize = 64 * 1024; // TODO: configurable
assert(packetSize >= static_cast<int>(buf.b.size())); // TODO: exception
#endif
repeat:
int ret = ::send(_fd, buf.b.begin(), buf.b.size(), 0);
if (ret == SOCKET_ERROR)
{
if (interrupted())
{
goto repeat;
}
SocketException ex(__FILE__, __LINE__);
ex.error = getSocketErrno();
throw ex;
}
if (_traceLevels->network >= 3)
{
ostringstream s;
s << "sent " << ret << " bytes via " << _protocolName << " to " << toString();
_logger->trace(_traceLevels->networkCat, s.str());
}
assert(ret == static_cast<int>(buf.b.size()));
buf.i = buf.b.end();
}
void
IceInternal::UdpTransceiver::read(Buffer& buf, int)
{
assert(!_sender);
assert(buf.i == buf.b.begin());
const int packetSize = 64 * 1024; // TODO: configurable
assert(packetSize >= static_cast<int>(buf.b.size())); // TODO: exception
buf.b.resize(packetSize);
buf.i = buf.b.begin();
repeat:
int ret = ::recv(_fd, buf.b.begin(), packetSize, 0);
if (ret == SOCKET_ERROR)
{
if (interrupted())
{
goto repeat;
}
SocketException ex(__FILE__, __LINE__);
ex.error = getSocketErrno();
throw ex;
}
if (_traceLevels->network >= 3)
{
ostringstream s;
s << "received " << ret << " bytes via " << _protocolName << " at " << toString();
_logger->trace(_traceLevels->networkCat, s.str());
}
buf.b.resize(ret);
buf.i = buf.b.end();
}
string
IceInternal::UdpTransceiver::toString() const
{
return addrToString(_addr);
}
bool
IceInternal::UdpTransceiver::equivalent(const string& host, int port) const
{
if (_sender)
{
return false;
}
struct sockaddr_in addr;
getAddress(host.c_str(), port, addr);
if (addr.sin_addr.s_addr == htonl(INADDR_LOOPBACK))
{
return port == ntohs(_addr.sin_port);
}
struct sockaddr_in localAddr;
getLocalAddress(ntohs(_addr.sin_port), localAddr);
return memcmp(&addr, &localAddr, sizeof(struct sockaddr_in)) == 0;
}
int
IceInternal::UdpTransceiver::effectivePort()
{
return ntohs(_addr.sin_port);
}
void
IceInternal::UdpTransceiver::setProtocolName(const string& protocolName)
{
_protocolName = protocolName;
}
IceInternal::UdpTransceiver::UdpTransceiver(const InstancePtr& instance,
const string& host,
int port,
const string& protocolName) :
_instance(instance),
_traceLevels(instance->traceLevels()),
_logger(instance->logger()),
_sender(true),
_protocolName(protocolName)
{
try
{
getAddress(host.c_str(), port, _addr);
_fd = createSocket(true);
doConnect(_fd, _addr, -1);
if (_traceLevels->network >= 1)
{
ostringstream s;
s << "starting to send " << _protocolName << " packets to " << toString();
_logger->trace(_traceLevels->networkCat, s.str());
}
}
catch(...)
{
_fd = INVALID_SOCKET;
throw;
}
}
IceInternal::UdpTransceiver::UdpTransceiver(const InstancePtr& instance, int port, const string& protocolName) :
_instance(instance),
_traceLevels(instance->traceLevels()),
_logger(instance->logger()),
_sender(false),
_protocolName(protocolName)
{
try
{
memset(&_addr, 0, sizeof(_addr));
_addr.sin_family = AF_INET;
_addr.sin_port = htons(port);
_addr.sin_addr.s_addr = htonl(INADDR_ANY);
_fd = createSocket(true);
doBind(_fd, _addr);
if (_traceLevels->network >= 1)
{
ostringstream s;
s << "starting to receive " << _protocolName << " packets at " << toString();
_logger->trace(_traceLevels->networkCat, s.str());
}
}
catch(...)
{
_fd = INVALID_SOCKET;
throw;
}
}
IceInternal::UdpTransceiver::~UdpTransceiver()
{
assert(_fd == INVALID_SOCKET);
}
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