private void handleFailedDevice(ref LEAP_DEVICE_FAILURE_EVENT deviceMsg) { string failureMessage; string failedSerialNumber = "Unavailable"; switch (deviceMsg.status) { case eLeapDeviceStatus.eLeapDeviceStatus_BadCalibration: failureMessage = "Bad Calibration. Device failed because of a bad calibration record."; break; case eLeapDeviceStatus.eLeapDeviceStatus_BadControl: failureMessage = "Bad Control Interface. Device failed because of a USB control interface error."; break; case eLeapDeviceStatus.eLeapDeviceStatus_BadFirmware: failureMessage = "Bad Firmware. Device failed because of a firmware error."; break; case eLeapDeviceStatus.eLeapDeviceStatus_BadTransport: failureMessage = "Bad Transport. Device failed because of a USB communication error."; break; default: failureMessage = "Device failed for an unknown reason"; break; } Device failed = _devices.FindDeviceByHandle(deviceMsg.hDevice); if (failed != null) { _devices.Remove(failed); } if (LeapDeviceFailure != null) { LeapDeviceFailure.DispatchOnContext(this, EventContext, new DeviceFailureEventArgs((uint)deviceMsg.status, failureMessage, failedSerialNumber)); } }
//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); } }