public BlockTransferManager(string resource, byte blockId, int version, CANClient client)
{
mResource = resource;
mBlockId = blockId;
mBlockVersion = version;
mClient = client;
Uri uri = new Uri(resource);
if (uri.Scheme != "file")
{
mResDownLoader = new ResumableResourceDownload(mResource);
}
// first get the device version
mState = BlockTransferState.AquiringDeviceVersion;
// subscribe to CAN frame events
mClient.RaiseFrameReceivedEvent += FrameReceivedEventHandler;
CNXLog.WarnFormat("Starting BlockTransferManager url {0}, Id {1}, ver {2}", resource, blockId, version);
SendBlockRequest();
// start time for cataloge and status reporting
mBlockQueryTimer = new System.Threading.Timer(OnTimedEvent, null, 0, (2 * 60 * 1000));
}
private void InitCommon(CANClient client, byte blockId, byte[] blockData)
{
mBlockData = blockData;
//calculate the crc
mCrc = CRC16.CRCArray(ref mBlockData);
mClient = client;
mBlockId = blockId;
}
public TransientBlock(CANClient client, byte blockId)
{
if (client == null)
{
throw new NullReferenceException(string.Format("TransientBlock {0} - client NULL", (Block)blockId));
}
mBlockId = blockId;
mClient = client;
}
private void ResetModuleVariables()
{
mTrackingManager.ResetTimerVariable();
mCANServer.RaiseEquipmentChangedEvent -= mTrackingManager.OnEquipmentChangedEventHandler;
mCANClient.RaiseFrameReceivedEvent -= mTrackingManager.FrameReceivedEventHandler;
mCANClient.RaiseFrameReceivedEvent -= FrameReceivedEventHandler;
mCANClient = null;
mCANServer = null;
mTrackingManager = null;
trackingServiceStarted = false;
}
public CANCommsServer(CANClient client, NMEAGPSClient.NMEAGPSClient gpsClient)
{
mCANClient = client;
mGpsClient = gpsClient;
// make a device catalogue
mDeviceCatalogue = CreateCatalogue(TrackingService.VarPath + mCatalogueFilename);
// start time for cataloge and status reporting
mCatalogueTimer = new Timer(OnTimedEvent, null, CatalogueTime, CatalogueTime);
// subscribe to gps events
mGpsClient.RaiseGPSPositionChangedEvent += GPSPositionChangedEventHandler;
// get the current gps status
mGPSStatus = mGpsClient.Status;
mGpsClient.RaiseGPSStatusChangedEvent += GPSStatusChangedEventHandler;
// subscribe to CAN frame events
mCANClient.RaiseFrameReceivedEvent += FrameReceivedEventHandler;
}
public BlockInfo(CANClient client, byte blockId, byte[] blockData)
{
InitCommon(client, blockId, blockData);
}
public BlockInfo(CANClient client, byte blockId, int repeat, byte[] blockData)
{
mRepeat = repeat;
InitCommon(client, blockId, blockData);
}
private void StartTrackingService()
{
int n = 0;
do
{
myIp = GetLocalIPAddressString();
n++;
if (myIp == String.Empty || myIp == null)
{
Thread.Sleep(100);
}
} while (n < 10 && (myIp == String.Empty || myIp == null));
if (myIp == String.Empty || myIp == null)
{
throw new Exception("Failed to retrieve the IP address of device");
}
// kick off GPS
StartListeningToGPS();
// start a CAN Client
if (mUseCANBridge)
{
mCANClient = new CANLib.CANBridgeClient(mCANServerName, mInPort, mOutPort);
}
else
{
mCANClient = new CANLib.CANNativeClient(mCANServerName);
}
// create a GPS - CAN relay
mCANServer = new CANCommsServer(mCANClient, mGPSClient);
// kick off comms with the RTT server
InitialiseCommsServer();
//talk
mTrackingManager = new TrackingStateManager(mCommsServer, mGPSClient);
mCANServer.RaiseEquipmentChangedEvent += mTrackingManager.OnEquipmentChangedEventHandler;
mCANClient.RaiseFrameReceivedEvent += mTrackingManager.FrameReceivedEventHandler;
mCANClient.RaiseFrameReceivedEvent += FrameReceivedEventHandler;
// add this modules device details to the device catalogue.
AddSelfToCatalogue();
// do APC
APCWrapper apc = new APCWrapper(mRTTServer, mCommsAddress);
mCANClient.RaiseFrameReceivedEvent += apc.FrameReceivedEventHandler;
mGPSClient.RaiseGPSPositionChangedEvent += apc.OnGPSChangedEventHandler;
mGPSClient.RaiseGPSStatusChangedEvent += apc.OnGPSChangedEventHandler;
// prepare to recieve transient messages.
mDriverIdReciever = new TransientBlockReciever((int)Block.DriverLogon, mCANClient);
mDriverIdReciever.RaiseBlockStatusEvent += OnDriverIdEventHandler;
mTxTMessageReciever = new TransientBlockReciever((int)Block.MessageToSystem, mCANClient);
mTxTMessageReciever.RaiseBlockStatusEvent += OnTxTMessageEventHandler;
// prepare block manager
StartDeviceConfigurationManagement(new byte[] { 255, 255, 255, 255 });
mCANServer.ForceEquipmentChangedEvent();
trackingServiceStarted = true;
}
