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/*
$Id: socket_generic.cpp,v 1.7 2001/11/22 00:43:11 plasmoid Exp $
------------------------------------------------------------------------
ClanLib, the platform independent game SDK.
This library is distributed under the GNU LIBRARY GENERAL PUBLIC LICENSE
version 2. See COPYING for details.
For a total list of contributers see CREDITS.
------------------------------------------------------------------------
*/
#ifdef WIN32
#pragma warning (disable:4786)
#endif
#include "socket_generic.h"
/////////////////////////////////////////////////////////////////////////////
// CL_Socket_Generic static operations:
sockaddr_in CL_Socket_Generic::create_sockaddr_in(const CL_IPAddress &address)
{
sockaddr_in addr_in;
memset(&addr_in, 0, sizeof(addr_in));
addr_in.sin_family = AF_INET;
addr_in.sin_addr.s_addr = address.get_address();
addr_in.sin_port = htons(address.get_port());
return addr_in;
}
#ifdef IPV6
sockaddr_in6 CL_Socket_Generic::create_sockaddr_in6(const CL_IPAddress &address)
{
sockaddr_in6 addr_in;
memset(&addr_in, 0, sizeof(addr_in));
addr_in.sin6_family = AF_INET6;
memcpy(addr_in.sin6_addr.s6_addr,address.get_address6(),16);
addr_in.sin6_port = htons(address.get_port());
return addr_in;
}
#endif
CL_IPAddress CL_Socket_Generic::create_ip_address(const sockaddr_in &addr_in)
{
return CL_IPAddress(addr_in.sin_addr.s_addr, ntohs(addr_in.sin_port));
}
#ifdef IPV6
CL_IPAddress CL_Socket_Generic::create_ip_address(const sockaddr_in6 &addr_in)
{
return CL_IPAddress((void*)(&addr_in.sin6_addr));
}
#endif
/////////////////////////////////////////////////////////////////////////////
// CL_Socket_Generic construction:
CL_Socket_Generic::CL_Socket_Generic()
: sock(-1), read(NULL), write(NULL), exception(NULL) , ref_count(0)
{
}
CL_Socket_Generic::~CL_Socket_Generic()
{
delete read;
delete write;
delete exception;
}
/////////////////////////////////////////////////////////////////////////////
// CL_Socket_Generic attributes:
/////////////////////////////////////////////////////////////////////////////
// CL_Socket_Generic operations:
void CL_Socket_Generic::add_ref()
{
ref_count++;
}
void CL_Socket_Generic::release_ref()
{
ref_count--;
if (ref_count == 0)
{
#ifdef WIN32
closesocket(sock);
#else
close(sock);
#endif
delete this;
}
}
/////////////////////////////////////////////////////////////////////////////
// CL_Socket_Generic overridables:
CL_EventTrigger_Socket *CL_Socket_Generic::create_read_trigger()
{
return new CL_EventTrigger_Socket(this, CL_EventTrigger_Socket::read);
}
CL_EventTrigger_Socket *CL_Socket_Generic::create_write_trigger()
{
return new CL_EventTrigger_Socket(this, CL_EventTrigger_Socket::write);
}
CL_EventTrigger_Socket *CL_Socket_Generic::create_exception_trigger()
{
return new CL_EventTrigger_Socket(this, CL_EventTrigger_Socket::exception);
}
void CL_Socket_Generic::keep_alive()
{
// performance note: it would be much more efficient if we maintained a global
// list of all sockets instanciated, and then do one select for them all.
//
// I'm too lazy to do that - at least until it becomes a real performance problem.
// -- mbn 2. marts 2001
fd_set rfds, wfds, efds;
FD_ZERO(&rfds);
FD_ZERO(&wfds);
FD_ZERO(&efds);
FD_SET(sock, &rfds);
FD_SET(sock, &wfds);
FD_SET(sock, &efds);
timeval tv;
tv.tv_sec = 0;
tv.tv_usec = 0;
int result = select(sock+1, &rfds, &wfds, &efds, &tv);
if (result > 0)
{
if (FD_ISSET(sock, &rfds)) sig_read_triggered();
if (FD_ISSET(sock, &wfds)) sig_write_triggered();
if (FD_ISSET(sock, &efds)) sig_exception_triggered();
}
}
/////////////////////////////////////////////////////////////////////////////
// CL_Socket_Generic implementation:
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