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); } }