private void handleFailedImageRequest(ref LEAP_IMAGE_FRAME_REQUEST_ERROR_EVENT failed_image_evt)
{
if (_leapConnection == IntPtr.Zero)
{
return;
}
ImageFuture pendingImage = _pendingImageRequestList.FindAndRemove(failed_image_evt.token);
if (pendingImage != null)
{
pendingImage.imageData.CheckIn();
ImageRequestFailedEventArgs errorEventArgs = new ImageRequestFailedEventArgs(failed_image_evt.description.frame_id, pendingImage.imageObject.Type);
switch (failed_image_evt.error)
{
case eLeapImageRequestError.eLeapImageRequestError_InsufficientBuffer:
errorEventArgs.message = "The buffer specified for the request was too small.";
errorEventArgs.reason = Image.RequestFailureReason.Insufficient_Buffer;
if (failed_image_evt.description.type == eLeapImageType.eLeapImageType_Default && _standardImageBufferSize < failed_image_evt.required_buffer_len)
{
_standardImageBufferSize = failed_image_evt.required_buffer_len;
}
else if (failed_image_evt.description.type == eLeapImageType.eLeapImageType_Raw && _standardRawBufferSize < failed_image_evt.required_buffer_len)
{
_standardRawBufferSize = failed_image_evt.required_buffer_len;
}
break;
case eLeapImageRequestError.eLeapImageRequestError_Unavailable:
errorEventArgs.message = "The image was request too late and is no longer available.";
errorEventArgs.reason = Image.RequestFailureReason.Image_Unavailable;
break;
case eLeapImageRequestError.eLeapImageRequestError_ImagesDisabled:
errorEventArgs.message = "Images are disabled by the current configuration settings.";
errorEventArgs.reason = Image.RequestFailureReason.Images_Disabled;
break;
default:
errorEventArgs.message = "The image request failed for an undetermined reason.";
errorEventArgs.reason = Image.RequestFailureReason.Unknown_Error;
break;
}
errorEventArgs.requiredBufferSize = (long)failed_image_evt.required_buffer_len;
this.LeapImageRequestFailed.Dispatch <ImageRequestFailedEventArgs> (this, errorEventArgs);
}
_pendingImageRequestList.purgeOld(_leapConnection);
}
private void handleFailedImageRequest(ref LEAP_IMAGE_FRAME_REQUEST_ERROR_EVENT failed_image_evt)
{
ImageReference pendingImage = null;
lock (lockPendingImageList)
{
_pendingImageRequests.TryGetValue(failed_image_evt.token.requestID, out pendingImage);
}
if (pendingImage != null)
{
pendingImage.imageData.CheckIn();
lock (_pendingImageRequests)
{
_pendingImageRequests.Remove(failed_image_evt.token.requestID);
}
ImageRequestFailedEventArgs errorEventArgs = new ImageRequestFailedEventArgs(failed_image_evt.description.frame_id, pendingImage.imageObject.Type);
switch (failed_image_evt.error)
{
case eLeapImageRequestError.eLeapImageRequestError_InsufficientBuffer:
errorEventArgs.message = "The buffer specified for the request was too small.";
errorEventArgs.reason = Image.RequestFailureReason.Insufficient_Buffer;
if (failed_image_evt.description.type == eLeapImageType.eLeapImageType_Default && _standardImageBufferSize < failed_image_evt.required_buffer_len)
{
_standardImageBufferSize = failed_image_evt.required_buffer_len;
}
else if (failed_image_evt.description.type == eLeapImageType.eLeapImageType_Raw && _standardRawBufferSize < failed_image_evt.required_buffer_len)
{
_standardRawBufferSize = failed_image_evt.required_buffer_len;
}
break;
case eLeapImageRequestError.eLeapImageRequestError_Unavailable:
errorEventArgs.message = "The image was request too late and is no longer available.";
errorEventArgs.reason = Image.RequestFailureReason.Image_Unavailable;
break;
case eLeapImageRequestError.eLeapImageRequestError_ImagesDisabled:
errorEventArgs.message = "Images are disabled by the current configuration settings.";
errorEventArgs.reason = Image.RequestFailureReason.Images_Disabled;
break;
default:
errorEventArgs.message = "The image request failed for an undetermined reason.";
errorEventArgs.reason = Image.RequestFailureReason.Unknown_Error;
break;
}
errorEventArgs.requiredBufferSize = (long)failed_image_evt.required_buffer_len;
this.LeapImageRequestFailed.Dispatch <ImageRequestFailedEventArgs>(this, errorEventArgs);
}
//Purge old requests
List <UInt32> keys = new List <UInt32>(_pendingImageRequests.Keys);
ImageReference request;
long now = LeapC.GetNow();
for (int k = 0; k < keys.Count; k++)
{
request = _pendingImageRequests[keys[k]];
if ((now - request.Timestamp) > 90000)
{
lock (_pendingImageRequests)
{
_pendingImageRequests.Remove(keys[k]);
}
request.imageData.CheckIn();
}
}
}
//Run in Polster thread, fills in object queues
private void processMessages()
{
try
{
eLeapRS result;
_leapInit.Dispatch <LeapEventArgs>(this, new LeapEventArgs(LeapEvent.EVENT_INIT));
while (true)
{
LEAP_CONNECTION_MESSAGE _msg = new LEAP_CONNECTION_MESSAGE();
lock (_connLocker) {
if (_leapConnection == IntPtr.Zero)
{
break;
}
uint timeout = 1000;
result = LeapC.PollConnection(_leapConnection, timeout, ref _msg);
}
if (result != eLeapRS.eLeapRS_Success)
{
reportAbnormalResults("LeapC PollConnection call was ", result);
continue;
}
switch (_msg.type)
{
case eLeapEventType.eLeapEventType_Connection:
LEAP_CONNECTION_EVENT connection_evt = StructMarshal <LEAP_CONNECTION_EVENT> .PtrToStruct(_msg.eventStructPtr);
handleConnection(ref connection_evt);
break;
case eLeapEventType.eLeapEventType_ConnectionLost:
LEAP_CONNECTION_LOST_EVENT connection_lost_evt = StructMarshal <LEAP_CONNECTION_LOST_EVENT> .PtrToStruct(_msg.eventStructPtr);
handleConnectionLost(ref connection_lost_evt);
break;
case eLeapEventType.eLeapEventType_Device:
LEAP_DEVICE_EVENT device_evt = StructMarshal <LEAP_DEVICE_EVENT> .PtrToStruct(_msg.eventStructPtr);
handleDevice(ref device_evt);
break;
case eLeapEventType.eLeapEventType_DeviceLost:
LEAP_DEVICE_EVENT device_lost_evt = StructMarshal <LEAP_DEVICE_EVENT> .PtrToStruct(_msg.eventStructPtr);
handleLostDevice(ref device_lost_evt);
break;
case eLeapEventType.eLeapEventType_DeviceFailure:
LEAP_DEVICE_FAILURE_EVENT device_failure_evt = StructMarshal <LEAP_DEVICE_FAILURE_EVENT> .PtrToStruct(_msg.eventStructPtr);
handleFailedDevice(ref device_failure_evt);
break;
case eLeapEventType.eLeapEventType_Tracking:
LEAP_TRACKING_EVENT tracking_evt = StructMarshal <LEAP_TRACKING_EVENT> .PtrToStruct(_msg.eventStructPtr);
handleTrackingMessage(ref tracking_evt);
break;
case eLeapEventType.eLeapEventType_ImageComplete:
completeCount++;
LEAP_IMAGE_COMPLETE_EVENT image_complete_evt = StructMarshal <LEAP_IMAGE_COMPLETE_EVENT> .PtrToStruct(_msg.eventStructPtr);
handleImageCompletion(ref image_complete_evt);
break;
case eLeapEventType.eLeapEventType_ImageRequestError:
failedCount++;
LEAP_IMAGE_FRAME_REQUEST_ERROR_EVENT failed_image_evt = StructMarshal <LEAP_IMAGE_FRAME_REQUEST_ERROR_EVENT> .PtrToStruct(_msg.eventStructPtr);
handleFailedImageRequest(ref failed_image_evt);
break;
case eLeapEventType.eLeapEventType_LogEvent:
LEAP_LOG_EVENT log_evt = StructMarshal <LEAP_LOG_EVENT> .PtrToStruct(_msg.eventStructPtr);
reportLogMessage(ref log_evt);
break;
case eLeapEventType.eLeapEventType_PolicyChange:
LEAP_POLICY_EVENT policy_evt = StructMarshal <LEAP_POLICY_EVENT> .PtrToStruct(_msg.eventStructPtr);
handlePolicyChange(ref policy_evt);
break;
case eLeapEventType.eLeapEventType_ConfigChange:
LEAP_CONFIG_CHANGE_EVENT config_change_evt = StructMarshal <LEAP_CONFIG_CHANGE_EVENT> .PtrToStruct(_msg.eventStructPtr);
handleConfigChange(ref config_change_evt);
break;
case eLeapEventType.eLeapEventType_ConfigResponse:
handleConfigResponse(ref _msg);
break;
default:
//discard unknown message types
Logger.Log("Unhandled message type " + Enum.GetName(typeof(eLeapEventType), _msg.type));
break;
} //switch on _msg.type
} //while running
}
catch (Exception e)
{
Logger.Log("Exception: " + e);
this.Cleanup();
}
}
//Run in Polster thread, fills in object queues
private void processMessages()
{
try
{
eLeapRS result;
LeapInit.Dispatch <LeapEventArgs>(this, new LeapEventArgs(LeapEvent.EVENT_INIT));
while (_isRunning)
{
if (_leapConnection != IntPtr.Zero)
{
LEAP_CONNECTION_MESSAGE _msg = new LEAP_CONNECTION_MESSAGE();
uint timeout = 1000;
result = LeapC.PollConnection(_leapConnection, timeout, ref _msg);
reportAbnormalResults("LeapC PollConnection call was ", result);
if (result == eLeapRS.eLeapRS_Success)
{
switch (_msg.type)
{
case eLeapEventType.eLeapEventType_Connection:
LEAP_CONNECTION_EVENT connection_evt = LeapC.PtrToStruct <LEAP_CONNECTION_EVENT>(_msg.eventStructPtr);
handleConnection(ref connection_evt);
break;
case eLeapEventType.eLeapEventType_ConnectionLost:
LEAP_CONNECTION_LOST_EVENT connection_lost_evt = LeapC.PtrToStruct <LEAP_CONNECTION_LOST_EVENT>(_msg.eventStructPtr);
handleConnectionLost(ref connection_lost_evt);
break;
case eLeapEventType.eLeapEventType_Device:
LEAP_DEVICE_EVENT device_evt = LeapC.PtrToStruct <LEAP_DEVICE_EVENT>(_msg.eventStructPtr);
handleDevice(ref device_evt);
break;
case eLeapEventType.eLeapEventType_DeviceLost:
LEAP_DEVICE_EVENT device_lost_evt = LeapC.PtrToStruct <LEAP_DEVICE_EVENT>(_msg.eventStructPtr);
handleLostDevice(ref device_lost_evt);
break;
case eLeapEventType.eLeapEventType_DeviceFailure:
LEAP_DEVICE_FAILURE_EVENT device_failure_evt = LeapC.PtrToStruct <LEAP_DEVICE_FAILURE_EVENT>(_msg.eventStructPtr);
handleFailedDevice(ref device_failure_evt);
break;
case eLeapEventType.eLeapEventType_Tracking:
LEAP_TRACKING_EVENT tracking_evt = LeapC.PtrToStruct <LEAP_TRACKING_EVENT>(_msg.eventStructPtr);
handleTrackingMessage(ref tracking_evt);
break;
case eLeapEventType.eLeapEventType_ImageComplete:
completeCount++;
LEAP_IMAGE_COMPLETE_EVENT image_complete_evt = LeapC.PtrToStruct <LEAP_IMAGE_COMPLETE_EVENT>(_msg.eventStructPtr);
handleImageCompletion(ref image_complete_evt);
break;
case eLeapEventType.eLeapEventType_ImageRequestError:
failedCount++;
LEAP_IMAGE_FRAME_REQUEST_ERROR_EVENT failed_image_evt = LeapC.PtrToStruct <LEAP_IMAGE_FRAME_REQUEST_ERROR_EVENT>(_msg.eventStructPtr);
handleFailedImageRequest(ref failed_image_evt);
break;
case eLeapEventType.eLeapEventType_TrackedQuad:
LEAP_TRACKED_QUAD_EVENT quad_evt = LeapC.PtrToStruct <LEAP_TRACKED_QUAD_EVENT>(_msg.eventStructPtr);
handleQuadMessage(ref quad_evt);
break;
case eLeapEventType.eLeapEventType_LogEvent:
LEAP_LOG_EVENT log_evt = LeapC.PtrToStruct <LEAP_LOG_EVENT>(_msg.eventStructPtr);
reportLogMessage(ref log_evt);
break;
case eLeapEventType.eLeapEventType_PolicyChange:
LEAP_POLICY_EVENT policy_evt = LeapC.PtrToStruct <LEAP_POLICY_EVENT>(_msg.eventStructPtr);
handlePolicyChange(ref policy_evt);
break;
case eLeapEventType.eLeapEventType_ConfigChange:
LEAP_CONFIG_CHANGE_EVENT config_change_evt = LeapC.PtrToStruct <LEAP_CONFIG_CHANGE_EVENT>(_msg.eventStructPtr);
handleConfigChange(ref config_change_evt);
break;
case eLeapEventType.eLeapEventType_ConfigResponse:
handleConfigResponse(ref _msg);
break;
default:
//discard unknown message types
Logger.Log("Unhandled message type " + Enum.GetName(typeof(eLeapEventType), _msg.type));
break;
} //switch on _msg.type
} // if valid _msg.type
else if (result == eLeapRS.eLeapRS_NotConnected)
{
this.LeapConnectionLost.Dispatch <ConnectionLostEventArgs>(this, new ConnectionLostEventArgs());
result = LeapC.CreateConnection(out _leapConnection);
reportAbnormalResults("LeapC CreateConnection call was ", result);
result = LeapC.OpenConnection(_leapConnection);
reportAbnormalResults("LeapC OpenConnection call was ", result);
}
} // if have connection handle
} //while running
}
catch (Exception e)
{
Logger.Log("Exception: " + e);
}
}
