/*
* Receives data and say who the sender is. (blocking function)
*/
bool CUdpSock::receivedFrom( uint8 *buffer, uint& len, CInetAddress& addr, bool throw_exception )
{
// Receive incoming message
sockaddr_in saddr;
socklen_t saddrlen = sizeof(saddr);
len = ::recvfrom( _Sock, (char*)buffer, len , 0, (sockaddr*)&saddr, &saddrlen );
// If an error occurs, the saddr is not valid
// When the remote socket is closed, get sender's address to know who is quitting
addr.setSockAddr( &saddr );
// Check for errors (after setting the address)
if ( ((int)len) == SOCKET_ERROR )
{
if ( throw_exception )
throw ESocket( "Cannot receive data" );
return false;
}
_BytesReceived += len;
if ( _Logging )
{
LNETL0_DEBUG( "LNETL0: Socket %d received %d bytes from %s", _Sock, len, addr.asString().c_str() );
}
return true;
}
void CDummyTcpSock::connect( const CInetAddress& addr )
{
_RemoteAddr = addr;
_Sock = 100;
_BytesReceived = 0;
_BytesSent = 0;
//CSynchronized<bool>::CAccessor sync( &_SyncConnected );
//sync.value() = true;
_Connected = true;
LNETL0_DEBUG( "LNETL0: Socket connected to %s", addr.asString().c_str() );
}
void CClient::updateStat ()
{
// write each pong in a file
string ha = Address.hostName();
if (ha.empty())
{
ha = Address.ipAddress();
}
string fn = StatPathName + ConnectionName + "_" + ha + "_" + getDate() + ".stat";
string line;
line += "NbPing " + toString(NbPing) + " ";
line += "NbPong " + toString(NbPong) + " ";
if (NbPong == 0)
line += "MeanPongTime <Undef> ";
else
line += "MeanPongTime " + toString(MeanPongTime/NbPong) + " ";
line += "NbDuplicated " + toString(NbDuplicated) + " ";
FILE *fp = fopen (fn.c_str(), "at");
if (fp == NULL)
{
nlwarning ("Can't open stat file name '%s'", fn.c_str());
}
else
{
if (FirstWrite)
{
//nlassert (!Address.hostName().empty())
fprintf (fp, "HostAddress: %s\n", Address.asString().c_str());
FirstWrite = false;
}
fprintf (fp, "%s\n", line.c_str());
fclose (fp);
}
nlinfo (line.c_str());
CMessage msgout("INFO");
msgout.serial(line);
CallbackServer->send (msgout, From);
NbPing = NbPong = MeanPongTime = NbDuplicated = 0;
}
/*
* Sends a message
*/
void CUdpSock::sendTo( const uint8 *buffer, uint len, const CInetAddress& addr )
{
// Send
if ( ::sendto( _Sock, (const char*)buffer, len, 0, (sockaddr*)(addr.sockAddr()), sizeof(sockaddr) ) != (sint32)len )
{
throw ESocket( "Unable to send datagram" );
}
_BytesSent += len;
if ( _Logging )
{
LNETL0_DEBUG( "LNETL0: Socket %d sent %d bytes to %s", _Sock, len, addr.asString().c_str() );
}
// If socket is unbound, retrieve local address
if ( ! _Bound )
{
setLocalAddress();
_Bound = true;
}
#ifdef NL_OS_WINDOWS
// temporary by ace to know size of SO_MAX_MSG_SIZE
static bool first = true;
if (first)
{
uint MMS, SB;
int size = sizeof (MMS);
getsockopt (_Sock, SOL_SOCKET, SO_SNDBUF, (char *)&SB, &size);
getsockopt (_Sock, SOL_SOCKET, SO_MAX_MSG_SIZE, (char *)&MMS, &size);
LNETL0_INFO ("LNETL0: The udp SO_MAX_MSG_SIZE=%u, SO_SNDBUF=%u", MMS, SB);
first = false;
}
#endif
}
