SOCKET UDPSocket::create(Uint16 port)
{
if (sid != SOCKET_ERROR)
{
WSACloseEvent(event);
closesocket(sid);
}
sid = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
if (sid == SOCKET_ERROR)
{
printf("socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP) error : %s [%i]\n", WSAGetErrorString(WSAGetLastError()), WSAGetLastError());
return (SOCKET)SOCKET_ERROR;
}
INADDR sa(0, port);
if (bind(sid, sa.getAddress(), sizeof(INADDR)) == SOCKET_ERROR)
{
printf("bind(%i) error\n", port);
return (SOCKET)SOCKET_ERROR;
}
event = WSACreateEvent();
WSAEventSelect(sid, event, FD_READ);
return sid;
}
void beginWinsock()
{
WSADATA wsaData;
if (WSAStartup(MAKEWORD(2, 0), &wsaData) == SOCKET_ERROR)
{
printf("WSAStartup(0x202, &wsaData) error : %s [%i]\n", WSAGetErrorString(WSAGetLastError()), WSAGetLastError());
}
}
void EventManager::Run()
{
printf("RUN START\n");
SOCKET local_pipe[2];
m_pipelock.Lock();
memcpy(local_pipe, m_pipe, sizeof(SOCKET) * 2);
m_pipelock.Unlock();
LARGE_INTEGER run_start;
QueryPerformanceCounter(&run_start);
RetVal status = ReturnCode::SUCCESS;
//while( running() && (status == ReturnCode::SUCCESS) )
while( (status == ReturnCode::SUCCESS) )
{
//m_lock.Lock();
// set fds bits and determine highest file descriptor
fd_set fds;
FD_ZERO(&fds);
int fd_max = 0;
for (EventList_t::iterator i = m_events.begin(); i != m_events.end(); i++)
{
const FDEventBase* ev = *i;
if (ev == NULL) // TODO: How can ev be NULL?
continue;
const SOCKET fd = ev->fd();
if (fd == INVALID_SOCKET)
continue;
fd_max = SOCKETMAX(fd_max, fd);
// HACK:
// HACK: FD_SET(fd, &fds);
}
struct timeval tv;
tv.tv_sec = 2;
tv.tv_usec = 500 * 1000;
//m_lock.Unlock();
FD_SET(local_pipe[0], &fds);
fd_max = SOCKETMAX(fd_max, local_pipe[0]);
// Windows' select MUST have a valid fd, but the first (fd_max) parameter is ignored
const int ret = select(fd_max + 1, &fds, NULL, &fds, &tv);
//m_lock.Lock();
switch(ret)
{
case 0: // timedout
//BVT_LOG(LOG_TRACE, "EventManager - select timeout");
printf("EventManager - select timeout\n");
{
std::wstring errorstring = WSAGetErrorString(WSAGetLastError());
wprintf(L"Error: %s\n", errorstring.c_str());
}
status = ReturnCode::SUCCESS;
break;
case -1: // error
//BVT_LOG(LOG_DEBUG, "EventManager - select returned -1 %d %s", errno, strerror(errno));
printf("EventManager - select failed\n");
if (errno != EINTR)
status = ReturnCode::SOCKET_READ;
break;
default: // data
// printf("EventManager - select returned at least one FD ready\n");
for (EventList_t::iterator i = m_events.begin(); i != m_events.end(); i++)
{
SOCKET fd = (*i)->fd();
if (fd != INVALID_SOCKET && FD_ISSET(fd, &fds)) // NB: fd could be zero and valid if stdin is closed before a socket is created!
{
//BVT_LOG(LOG_DEBUG, "EventManager - got data on fd %d", (*i)->fd() );
(*i)->ReadableEvent(this);
}
}
if (FD_ISSET(local_pipe[0], &fds))
{
char discard;
LARGE_INTEGER start, stop;
QueryPerformanceCounter(&start);
if (kCancelLength != recv(local_pipe[0], &discard, kCancelLength, 0))
{
BVT_LOG("EventManager cancel socket error\n");
}
else
{
Sleep(1);
}
// Sleep(1);
QueryPerformanceCounter(&stop);
goto LABEL_DONE; // HACK: skips unlock
}
}
// Sleep(1);
//m_lock.Unlock();
}
LABEL_DONE:
LARGE_INTEGER run_stop;
QueryPerformanceCounter(&run_stop);
LONGLONG total = run_stop.QuadPart - run_start.QuadPart;
printf("run total: %ld\n", total);
closesocket(local_pipe[0]);
closesocket(local_pipe[1]);
// if( status != BVT::ReturnCode::SUCCESS )
BVT_LOG("EventManager::Run() exiting: retval:%d errno:%d\n", status, errno);
}