//Run in Polster thread, fills in object queues private void processMessages() { //Only profiling block currently is the Handle Event block const string HANDLE_EVENT_PROFILER_BLOCK = "Handle Event"; bool hasBegunProfilingForThread = false; try { eLeapRS result; _leapInit.DispatchOnContext(this, EventContext, new LeapEventArgs(LeapEvent.EVENT_INIT)); while (_isRunning) { if (LeapBeginProfilingForThread != null && !hasBegunProfilingForThread) { LeapBeginProfilingForThread(new BeginProfilingForThreadArgs("Worker Thread", HANDLE_EVENT_PROFILER_BLOCK)); hasBegunProfilingForThread = true; } LEAP_CONNECTION_MESSAGE _msg = new LEAP_CONNECTION_MESSAGE(); uint timeout = 150; result = LeapC.PollConnection(_leapConnection, timeout, ref _msg); if (result != eLeapRS.eLeapRS_Success) { reportAbnormalResults("LeapC PollConnection call was ", result); continue; } if (LeapBeginProfilingBlock != null && hasBegunProfilingForThread) { LeapBeginProfilingBlock(new BeginProfilingBlockArgs(HANDLE_EVENT_PROFILER_BLOCK)); } switch (_msg.type) { case eLeapEventType.eLeapEventType_None: break; case eLeapEventType.eLeapEventType_Connection: LEAP_CONNECTION_EVENT connection_evt; StructMarshal <LEAP_CONNECTION_EVENT> .PtrToStruct(_msg.eventStructPtr, out connection_evt); handleConnection(ref connection_evt); break; case eLeapEventType.eLeapEventType_ConnectionLost: LEAP_CONNECTION_LOST_EVENT connection_lost_evt; StructMarshal <LEAP_CONNECTION_LOST_EVENT> .PtrToStruct(_msg.eventStructPtr, out connection_lost_evt); handleConnectionLost(ref connection_lost_evt); break; case eLeapEventType.eLeapEventType_Device: LEAP_DEVICE_EVENT device_evt; StructMarshal <LEAP_DEVICE_EVENT> .PtrToStruct(_msg.eventStructPtr, out device_evt); handleDevice(ref device_evt); break; // Note that unplugging a device generates an eLeapEventType_DeviceLost event // message, not a failure message. DeviceLost is further down. case eLeapEventType.eLeapEventType_DeviceFailure: LEAP_DEVICE_FAILURE_EVENT device_failure_evt; StructMarshal <LEAP_DEVICE_FAILURE_EVENT> .PtrToStruct(_msg.eventStructPtr, out device_failure_evt); handleFailedDevice(ref device_failure_evt); break; case eLeapEventType.eLeapEventType_Policy: LEAP_POLICY_EVENT policy_evt; StructMarshal <LEAP_POLICY_EVENT> .PtrToStruct(_msg.eventStructPtr, out policy_evt); handlePolicyChange(ref policy_evt); break; case eLeapEventType.eLeapEventType_Tracking: LEAP_TRACKING_EVENT tracking_evt; StructMarshal <LEAP_TRACKING_EVENT> .PtrToStruct(_msg.eventStructPtr, out tracking_evt); handleTrackingMessage(ref tracking_evt); break; case eLeapEventType.eLeapEventType_LogEvent: LEAP_LOG_EVENT log_evt; StructMarshal <LEAP_LOG_EVENT> .PtrToStruct(_msg.eventStructPtr, out log_evt); reportLogMessage(ref log_evt); break; case eLeapEventType.eLeapEventType_DeviceLost: LEAP_DEVICE_EVENT device_lost_evt; StructMarshal <LEAP_DEVICE_EVENT> .PtrToStruct(_msg.eventStructPtr, out device_lost_evt); handleLostDevice(ref device_lost_evt); break; case eLeapEventType.eLeapEventType_ConfigChange: LEAP_CONFIG_CHANGE_EVENT config_change_evt; StructMarshal <LEAP_CONFIG_CHANGE_EVENT> .PtrToStruct(_msg.eventStructPtr, out config_change_evt); handleConfigChange(ref config_change_evt); break; case eLeapEventType.eLeapEventType_ConfigResponse: handleConfigResponse(ref _msg); break; case eLeapEventType.eLeapEventType_DroppedFrame: LEAP_DROPPED_FRAME_EVENT dropped_frame_evt; StructMarshal <LEAP_DROPPED_FRAME_EVENT> .PtrToStruct(_msg.eventStructPtr, out dropped_frame_evt); handleDroppedFrame(ref dropped_frame_evt); break; case eLeapEventType.eLeapEventType_Image: LEAP_IMAGE_EVENT image_evt; StructMarshal <LEAP_IMAGE_EVENT> .PtrToStruct(_msg.eventStructPtr, out image_evt); handleImage(ref image_evt); break; case eLeapEventType.eLeapEventType_PointMappingChange: LEAP_POINT_MAPPING_CHANGE_EVENT point_mapping_change_evt; StructMarshal <LEAP_POINT_MAPPING_CHANGE_EVENT> .PtrToStruct(_msg.eventStructPtr, out point_mapping_change_evt); handlePointMappingChange(ref point_mapping_change_evt); break; case eLeapEventType.eLeapEventType_HeadPose: LEAP_HEAD_POSE_EVENT head_pose_event; StructMarshal <LEAP_HEAD_POSE_EVENT> .PtrToStruct(_msg.eventStructPtr, out head_pose_event); handleHeadPoseChange(ref head_pose_event); break; case eLeapEventType.eLeapEventType_DeviceStatusChange: LEAP_DEVICE_STATUS_CHANGE_EVENT status_evt; StructMarshal <LEAP_DEVICE_STATUS_CHANGE_EVENT> .PtrToStruct(_msg.eventStructPtr, out status_evt); handleDeviceStatusEvent(ref status_evt); break; } //switch on _msg.type if (LeapEndProfilingBlock != null && hasBegunProfilingForThread) { LeapEndProfilingBlock(new EndProfilingBlockArgs(HANDLE_EVENT_PROFILER_BLOCK)); } } //while running } catch (Exception e) { Logger.Log("Exception: " + e); _isRunning = false; } finally { if (LeapEndProfilingForThread != null && hasBegunProfilingForThread) { LeapEndProfilingForThread(new EndProfilingForThreadArgs()); } } }
//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(); } }