int wxSocketEventDispatcher::FillSets(fd_set* readset, fd_set* writeset)
{
int max_fd = 0;
wxFD_ZERO(readset);
wxFD_ZERO(writeset);
BeginFind();
wxHashTable::compatibility_iterator node = Next();
while (node)
{
wxSocketEventDispatcherEntry* entry =
(wxSocketEventDispatcherEntry*) node->GetData();
if (entry->m_fdInput != -1)
{
wxFD_SET(entry->m_fdInput, readset);
if (entry->m_fdInput > max_fd)
max_fd = entry->m_fdInput;
}
if (entry->m_fdOutput != -1)
{
wxFD_SET(entry->m_fdOutput, writeset);
if (entry->m_fdOutput > max_fd)
max_fd = entry->m_fdOutput;
}
node = Next();
}
return max_fd;
}
bool wxSelectSets::SetFD(int fd, int flags)
{
wxCHECK_MSG( fd >= 0, false, wxT("invalid descriptor") );
#if defined(__INTEL_COMPILER) && 1 /* VDM auto patch */
# pragma ivdep
# pragma swp
# pragma unroll
# pragma prefetch
# if 0
# pragma simd noassert
# endif
#endif /* VDM auto patch */
for ( int n = 0; n < Max; n++ )
{
if ( flags & ms_flags[n] )
{
wxFD_SET(fd, &m_fds[n]);
}
else if ( wxFD_ISSET(fd, (fd_set*) &m_fds[n]) )
{
wxFD_CLR(fd, &m_fds[n]);
}
}
return true;
}
bool wxSelectSets::SetFD(int fd, int flags)
{
wxCHECK_MSG( fd >= 0, false, wxT("invalid descriptor") );
for ( int n = 0; n < Max; n++ )
{
if ( flags & ms_flags[n] )
{
wxFD_SET(fd, &m_fds[n]);
}
else if ( wxFD_ISSET(fd, (fd_set*) &m_fds[n]) )
{
wxFD_CLR(fd, &m_fds[n]);
}
}
return true;
}
bool wxPipeInputStream::CanRead() const
{
if ( m_lasterror == wxSTREAM_EOF )
return false;
// check if there is any input available
struct timeval tv;
tv.tv_sec = 0;
tv.tv_usec = 0;
const int fd = m_file->fd();
fd_set readfds;
wxFD_ZERO(&readfds);
wxFD_SET(fd, &readfds);
switch ( select(fd + 1, &readfds, NULL, NULL, &tv) )
{
case -1:
wxLogSysError(_("Impossible to get child process input"));
// fall through
case 0:
return false;
default:
wxFAIL_MSG(wxT("unexpected select() return value"));
// still fall through
case 1:
// input available -- or maybe not, as select() returns 1 when a
// read() will complete without delay, but it could still not read
// anything
return !Eof();
}
}
void* wxJoystickThread::Entry()
{
struct js_event j_evt;
fd_set read_fds;
struct timeval time_out = {0, 0};
wxFD_ZERO(&read_fds);
while (true)
{
if (TestDestroy())
break;
// We use select when either polling or 'blocking' as even in the
// blocking case we need to check TestDestroy periodically
if (m_polling)
time_out.tv_usec = m_polling * 1000;
else
time_out.tv_usec = 10 * 1000; // check at least every 10 msec in blocking case
wxFD_SET(m_device, &read_fds);
select(m_device+1, &read_fds, NULL, NULL, &time_out);
if (wxFD_ISSET(m_device, &read_fds))
{
memset(&j_evt, 0, sizeof(j_evt));
read(m_device, &j_evt, sizeof(j_evt));
//printf("time: %d\t value: %d\t type: %d\t number: %d\n",
// j_evt.time, j_evt.value, j_evt.type, j_evt.number);
if ((j_evt.type & JS_EVENT_AXIS) && (j_evt.number < wxJS_MAX_AXES))
{
// Ignore invalid axis.
if ( j_evt.number >= wxJS_MAX_AXES )
{
wxLogDebug(wxS("Invalid axis index %d in joystick message."),
j_evt.number);
continue;
}
if ( (m_axe[j_evt.number] + m_threshold < j_evt.value)
|| (m_axe[j_evt.number] - m_threshold > j_evt.value) )
{
m_axe[j_evt.number] = j_evt.value;
switch (j_evt.number)
{
case wxJS_AXIS_X:
m_lastposition.x = j_evt.value;
SendEvent(wxEVT_JOY_MOVE, j_evt.time);
break;
case wxJS_AXIS_Y:
m_lastposition.y = j_evt.value;
SendEvent(wxEVT_JOY_MOVE, j_evt.time);
break;
case wxJS_AXIS_Z:
SendEvent(wxEVT_JOY_ZMOVE, j_evt.time);
break;
default:
SendEvent(wxEVT_JOY_MOVE, j_evt.time);
// TODO: There should be a way to indicate that the event
// is for some other axes.
break;
}
}
}
if ( (j_evt.type & JS_EVENT_BUTTON) && (j_evt.number < wxJS_MAX_BUTTONS) )
{
if (j_evt.value)
{
m_buttons |= (1 << j_evt.number);
SendEvent(wxEVT_JOY_BUTTON_DOWN, j_evt.time, j_evt.number);
}
else
{
m_buttons &= ~(1 << j_evt.number);
SendEvent(wxEVT_JOY_BUTTON_UP, j_evt.time, j_evt.number);
}
}
}
}
close(m_device);
return NULL;
}
LRESULT CALLBACK wxSocket_Internal_WinProc(HWND hWnd,
UINT uMsg,
WPARAM wParam,
LPARAM lParam)
{
if ( uMsg < WM_USER || uMsg > (WM_USER + MAXSOCKETS - 1))
return DefWindowProc(hWnd, uMsg, wParam, lParam);
wxSocketImplMSW *socket;
wxSocketNotify event = (wxSocketNotify)-1;
{
wxCRIT_SECT_LOCKER(lock, gs_critical);
socket = socketList[(uMsg - WM_USER)];
if ( !socket )
return 0;
// the socket may be already closed but we could still receive
// notifications for it sent (asynchronously) before it got closed
if ( socket->m_fd == INVALID_SOCKET )
return 0;
wxASSERT_MSG( socket->m_fd == (SOCKET)wParam,
"mismatch between message and socket?" );
switch ( WSAGETSELECTEVENT(lParam) )
{
case FD_READ:
// We may get a FD_READ notification even when there is no data
// to read on the socket, in particular this happens on socket
// creation when we seem to always get FD_CONNECT, FD_WRITE and
// FD_READ notifications all at once (but it doesn't happen
// only then). Ignore such dummy notifications.
{
fd_set fds;
timeval tv = { 0, 0 };
wxFD_ZERO(&fds);
wxFD_SET(socket->m_fd, &fds);
if ( select(socket->m_fd + 1, &fds, NULL, NULL, &tv) != 1 )
return 0;
}
event = wxSOCKET_INPUT;
break;
case FD_WRITE:
event = wxSOCKET_OUTPUT;
break;
case FD_ACCEPT:
event = wxSOCKET_CONNECTION;
break;
case FD_CONNECT:
event = WSAGETSELECTERROR(lParam) ? wxSOCKET_LOST
: wxSOCKET_CONNECTION;
break;
case FD_CLOSE:
event = wxSOCKET_LOST;
break;
default:
wxFAIL_MSG( "unexpected socket notification" );
return 0;
}
} // unlock gs_critical
socket->NotifyOnStateChange(event);
return 0;
}
void* wxJoystickThread::Entry()
{
struct js_event j_evt;
fd_set read_fds;
struct timeval time_out = {0, 0};
wxFD_ZERO(&read_fds);
while (true)
{
if (TestDestroy())
break;
// We use select when either polling or 'blocking' as even in the
// blocking case we need to check TestDestroy periodically
if (m_polling)
time_out.tv_usec = m_polling * 1000;
else
time_out.tv_usec = 10 * 1000; // check at least every 10 msec in blocking case
wxFD_SET(m_device, &read_fds);
select(m_device+1, &read_fds, NULL, NULL, &time_out);
if (wxFD_ISSET(m_device, &read_fds))
{
memset(&j_evt, 0, sizeof(j_evt));
read(m_device, &j_evt, sizeof(j_evt));
//printf("time: %d\t value: %d\t type: %d\t number: %d\n",
// j_evt.time, j_evt.value, j_evt.type, j_evt.number);
wxJoystickEvent jwx_event;
if (j_evt.type & JS_EVENT_AXIS)
{
m_axe[j_evt.number] = j_evt.value;
switch (j_evt.number)
{
case wxJS_AXIS_X:
m_lastposition.x = j_evt.value;
jwx_event.SetEventType(wxEVT_JOY_MOVE);
break;
case wxJS_AXIS_Y:
m_lastposition.y = j_evt.value;
jwx_event.SetEventType(wxEVT_JOY_MOVE);
break;
case wxJS_AXIS_Z:
jwx_event.SetEventType(wxEVT_JOY_ZMOVE);
break;
default:
jwx_event.SetEventType(wxEVT_JOY_MOVE);
// TODO: There should be a way to indicate that the event
// is for some other axes.
break;
}
}
if (j_evt.type & JS_EVENT_BUTTON)
{
if (j_evt.value)
{
m_buttons |= (1 << j_evt.number);
jwx_event.SetEventType(wxEVT_JOY_BUTTON_DOWN);
}
else
{
m_buttons &= ~(1 << j_evt.number);
jwx_event.SetEventType(wxEVT_JOY_BUTTON_UP);
}
jwx_event.SetButtonChange(j_evt.number);
jwx_event.SetTimestamp(j_evt.time);
jwx_event.SetJoystick(m_joystick);
jwx_event.SetButtonState(m_buttons);
jwx_event.SetPosition(m_lastposition);
jwx_event.SetZPosition(m_axe[3]);
jwx_event.SetEventObject(m_catchwin);
if (m_catchwin)
m_catchwin->AddPendingEvent(jwx_event);
}
}
}
close(m_device);
return NULL;
}
