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/*==LICENSE==*
CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011 Cyan Worlds, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
You can contact Cyan Worlds, Inc. by email legal@cyan.com
or by snail mail at:
Cyan Worlds, Inc.
14617 N Newport Hwy
Mead, WA 99021
*==LICENSE==*/
#include "plTcpSocket.h"
#include "plFdSet.h"
#include "../pnNetCommon/plNetAddress.h"
#if HS_BUILD_FOR_UNIX
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/tcp.h>
#endif
plTcpSocket::plTcpSocket()
{
}
plTcpSocket::plTcpSocket(SOCKET sck)
: plSocket(sck)
{
}
bool plTcpSocket::operator==(const plTcpSocket & rhs)
{
return fSocket==rhs.fSocket;
}
// Disable Nagle algorithm.
int plTcpSocket::SetNoDelay(void)
{
int nodel = 1;
int ret1;
ret1 = setsockopt(fSocket, IPPROTO_TCP, TCP_NODELAY,(char *)&nodel, sizeof(nodel));
if(ret1 != 0)
return -1;
return 0;
}
// Control the behavior of SO_LINGER
int plTcpSocket::SetLinger(int intervalSecs)
{
linger ll;
ll.l_linger = intervalSecs;
ll.l_onoff = intervalSecs?1:0;
int ret1 = setsockopt(fSocket, SOL_SOCKET, SO_LINGER, (const char *)&ll,sizeof(linger));
if(ret1 != 0)
return -1;
return 0;
}
int plTcpSocket::SetSendBufferSize(int insize)
{
if (setsockopt(fSocket, (int) SOL_SOCKET, (int) SO_SNDBUF, (char *) &insize, sizeof(int)))
return -1;
return 0;
}
bool plTcpSocket::ActiveOpen(plNetAddress & addr)
{
SetSocket(plNet::NewTCP());
if(fSocket == kBadSocket)
return false;
if(plNet::Connect(fSocket, &addr.GetAddressInfo()) != 0)
return ErrorClose();
return true;
}
bool plTcpSocket::ActiveOpenNonBlocking(plNetAddress & addr)
{
SetSocket(plNet::NewTCP());
if(fSocket == kBadSocket)
return false;
SetBlocking(false);
if(plNet::Connect(fSocket, &addr.GetAddressInfo()) != 0)
return ErrorClose();
return true;
}
// Returns:
// - if error
// 0 if socket closed or size=0
// + bytes written
int plTcpSocket::SendData(const char * data, int size)
{
return plNet::Write(fSocket,data,size);
}
// Returns:
// - if error
// 0 if socket closed or size=0
// + bytes read
int plTcpSocket::RecvData(char * data, int len)
{
plFdSet fdset;
fdset.SetForSocket(*this);
fdset.WaitForRead(false,fRecvTimeOut);
if (fdset.IsErrFor(*this))
return -1;
if (fdset.IsSetFor(*this))
return plNet::Read(fSocket,data,len); // returns -1 on error
else
return -2;
};