int DeviceManagerThread::Run()
{
ThreadCommand::PopBuffer command;
SetThreadName("OVR::DeviceManagerThread");
LogText("OVR::DeviceManagerThread - running (ThreadId=%p).\n", GetThreadId());
while(!IsExiting())
{
// PopCommand will reset event on empty queue.
if (PopCommand(&command))
{
command.Execute();
}
else
{
bool commands = 0;
do
{
int n = poll(&PollFds[0], PollFds.GetSize(), -1);
for (int i = 0; i < PollFds.GetSize(); i++)
{
if (PollFds[i].revents & POLLERR)
{
OVR_DEBUG_LOG(("poll: error on [%d]: %d", i, PollFds[i].fd));
}
else if (PollFds[i].revents & POLLIN)
{
if (FdNotifiers[i])
FdNotifiers[i]->OnEvent(i, PollFds[i].fd);
else if (i == 0) // command
{
char dummy[128];
read(PollFds[i].fd, dummy, 128);
commands = 1;
}
}
if (PollFds[i].revents & POLLHUP)
PollFds[i].events = 0;
if (PollFds[i].revents != 0)
{
n--;
if (n == 0)
break;
}
}
} while (PollFds.GetSize() > 0 && !commands);
}
}
LogText("OVR::DeviceManagerThread - exiting (ThreadId=%p).\n", GetThreadId());
return 0;
}
int DeviceManagerThread::Run()
{
ThreadCommand::PopBuffer command;
SetThreadName("OVR::DeviceManagerThread");
LogText("OVR::DeviceManagerThread - running (ThreadId=%p).\n", GetThreadId());
// Signal to the parent thread that initialization has finished.
StartupEvent.SetEvent();
while(!IsExiting())
{
// PopCommand will reset event on empty queue.
if (PopCommand(&command))
{
command.Execute();
}
else
{
bool commands = 0;
do
{
int waitMs = -1;
// If devices have time-dependent logic registered, get the longest wait
// allowed based on current ticks.
if (!TicksNotifiers.IsEmpty())
{
UInt64 ticksMks = Timer::GetTicks();
int waitAllowed;
for (UPInt j = 0; j < TicksNotifiers.GetSize(); j++)
{
waitAllowed = (int)(TicksNotifiers[j]->OnTicks(ticksMks) / Timer::MksPerMs);
if (waitAllowed < waitMs)
waitMs = waitAllowed;
}
}
// wait until there is data available on one of the devices or the timeout expires
int n = poll(&PollFds[0], PollFds.GetSize(), waitMs);
if (n > 0)
{
// Iterate backwards through the list so the ordering will not be
// affected if the called object gets removed during the callback
// Also, the HID data streams are located toward the back of the list
// and servicing them first will allow a disconnect to be handled
// and cleaned directly at the device first instead of the general HID monitor
for (int i=PollFds.GetSize()-1; i>=0; i--)
{
if (PollFds[i].revents & POLLERR)
{
OVR_DEBUG_LOG(("poll: error on [%d]: %d", i, PollFds[i].fd));
}
else if (PollFds[i].revents & POLLIN)
{
if (FdNotifiers[i])
FdNotifiers[i]->OnEvent(i, PollFds[i].fd);
else if (i == 0) // command
{
char dummy[128];
read(PollFds[i].fd, dummy, 128);
commands = 1;
}
}
if (PollFds[i].revents & POLLHUP)
PollFds[i].events = 0;
if (PollFds[i].revents != 0)
{
n--;
if (n == 0)
break;
}
}
}
} while (PollFds.GetSize() > 0 && !commands);
}
}
LogText("OVR::DeviceManagerThread - exiting (ThreadId=%p).\n", GetThreadId());
return 0;
}
int DeviceManagerThread::Run()
{
SetThreadName("OVR::DeviceManagerThread");
LogText("OVR::DeviceManagerThread - running (ThreadId=0x%p).\n", GetThreadId());
// Store out the run loop ref.
RunLoop = CFRunLoopGetCurrent();
// Create a 'source' to enable us to signal the run loop to process the command queue.
CFRunLoopSourceContext sourceContext;
memset(&sourceContext, 0, sizeof(sourceContext));
sourceContext.version = 0;
sourceContext.info = this;
sourceContext.perform = &staticCommandQueueSourceCallback;
CommandQueueSource = CFRunLoopSourceCreate(kCFAllocatorDefault, 0 , &sourceContext);
CFRunLoopAddSource(RunLoop, CommandQueueSource, kCFRunLoopDefaultMode);
// Signal to the parent thread that initialization has finished.
StartupEvent.SetEvent();
ThreadCommand::PopBuffer command;
while(!IsExiting())
{
// PopCommand will reset event on empty queue.
if (PopCommand(&command))
{
command.Execute();
}
else
{
SInt32 exitReason = 0;
do {
UInt32 waitMs = INT_MAX;
// If devices have time-dependent logic registered, get the longest wait
// allowed based on current ticks.
if (!TicksNotifiers.IsEmpty())
{
UInt64 ticksMks = Timer::GetTicks();
UInt32 waitAllowed;
for (UPInt j = 0; j < TicksNotifiers.GetSize(); j++)
{
waitAllowed = (UInt32)(TicksNotifiers[j]->OnTicks(ticksMks) / Timer::MksPerMs);
if (waitAllowed < waitMs)
waitMs = waitAllowed;
}
}
// Enter blocking run loop. We may continue until we timeout in which
// case it's time to service the ticks. Or if commands arrive in the command
// queue then the source callback will call 'CFRunLoopStop' causing this
// to return.
CFTimeInterval blockInterval = 0.001 * (double) waitMs;
exitReason = CFRunLoopRunInMode(kCFRunLoopDefaultMode, blockInterval, false);
if (exitReason == kCFRunLoopRunFinished)
{
// Maybe this will occur during shutdown?
break;
}
else if (exitReason == kCFRunLoopRunStopped )
{
// Commands need processing or we're being shutdown.
break;
}
else if (exitReason == kCFRunLoopRunTimedOut)
{
// Timed out so that we can service our ticks callbacks.
continue;
}
else if (exitReason == kCFRunLoopRunHandledSource)
{
// Should never occur since the last param when we call
// 'CFRunLoopRunInMode' is false.
OVR_ASSERT(false);
break;
}
else
{
OVR_ASSERT_LOG(false, ("CFRunLoopRunInMode returned unexpected code"));
break;
}
}
while(true);
}
}
CFRunLoopRemoveSource(RunLoop, CommandQueueSource, kCFRunLoopDefaultMode);
CFRelease(CommandQueueSource);
LogText("OVR::DeviceManagerThread - exiting (ThreadId=0x%p).\n", GetThreadId());
return 0;
}
