/// <summary>
/// This is a helper mehtod that connects the Scribbler on the specified
/// COM port. It waits for the connection to complete, and re-throws any
/// exceptions generated by the Scribbler service.
/// </summary>
/// <param name="comPort"></param>
private static void connectWaitForScribbler(string comPort)
{
ManualResetEvent evt = new ManualResetEvent(false);
waitForService(new ServiceInfoType(scribbler.Contract.Identifier),
delegate(ServiceInfoType info) { brickService = info; evt.Set(); });
evt.WaitOne(Params.DefaultRecieveTimeout, false);
if (brickService == null)
{
throw new MyroInitException("Could not find Scribbler service");
}
var scribPort = DssEnvironment.ServiceForwarder <scribbler.ScribblerOperations>(new Uri(brickService.Service));
DispatcherQueue queue = new DispatcherQueue("init", new Dispatcher());
try
{
if (comPort != null)
{
int comNumber;
if (comPort.ToLower().StartsWith("com"))
{
comNumber = Int32.Parse(comPort.Substring(3));
}
else
{
throw new MyroInitException("COM port string must be of the format com2, com5, etc.");
}
RSUtils.ReceiveSync(queue, scribPort.Replace(new scribbler.ScribblerState()
{
ComPort = comNumber
}), Params.DefaultRecieveTimeout);
}
DssEnvironment.LogInfo("calling reconnect...");
RSUtils.ReceiveSync(queue, scribPort.Reconnect(), Params.DefaultRecieveTimeout);
DssEnvironment.LogInfo("reconnect returned");
}
catch (Exception)
{
throw;
}
finally
{
queue.Dispose();
}
}
/// <summary>
/// This must be called to stop threads and the DispatcherQueue.
/// </summary>
public void Dispose()
{
if (stdout != null)
{
stdout.Close();
stdoutpipe.Close();
stderr.Close();
stderrpipe.Close();
}
if (readThreadOut != null && readThreadOut.IsAlive)
{
readThreadOut.Join();
}
if (readThreadErr != null && readThreadErr.IsAlive)
{
readThreadErr.Join();
}
if (commandDispatcherQueue != null)
{
commandDispatcherQueue.Dispose();
}
}
public void Dispose()
{
//Console.WriteLine("****** Unloading ********");
taskQueue.Dispose();
}
public void Dispose()
{
taskQueue.Dispose();
}
public void Dispose()
{
queue.Dispose();
}
private void SetupOutMessagesOnRelayThreads(RelayNodeConfig newConfiguration)
{
//if it was off and is now on, or if it was on and the number of threads changed
bool setupNewOutMessages = (newConfiguration.OutMessagesOnRelayThreads && configuration.OutMessagesOnRelayThreads == false) ||
(configuration.OutMessagesOnRelayThreads && newConfiguration.OutMessagesOnRelayThreads &&
newConfiguration.NumberOfOutMessageThreads != configuration.NumberOfOutMessageThreads);
Dispatcher oldOutDispatcher = outDispatcher;
DispatcherQueue oldOutMessageQueue = outMessageQueue;
if (setupNewOutMessages)
{
try
{
const string outThreadsName = "DataRelayNodeOUT";
outMessagePort = new Port <RelayMessageAsyncResult>(); //atomic
outMessagesPort = new Port <RelayMessageListAsyncResult>(); //atomic
if (newConfiguration.NumberOfOutMessageThreads > 0)
{
outDispatcher = new Dispatcher(newConfiguration.NumberOfOutMessageThreads, ThreadPriority.Normal, true, outThreadsName);
}
else
{
outDispatcher = new Dispatcher {
Name = outThreadsName
};
}
outMessageQueue = new DispatcherQueue("DataRelayDispatcherQueueOUT", outDispatcher, TaskExecutionPolicy.ConstrainQueueDepthThrottleExecution, newConfiguration.MaximumOutMessageQueueDepth);
Arbiter.Activate(outMessageQueue,
Arbiter.ReceiveWithIterator(true, outMessagePort, HandleOutMessage));
Arbiter.Activate(outMessageQueue,
Arbiter.ReceiveWithIterator(true, outMessagesPort, HandleOutMessages));
}
catch (Exception e)
{
if (log.IsErrorEnabled)
{
log.ErrorFormat("Error setting up Out Message Threads on RelayNode: {0}", e);
}
throw;
}
}
if (newConfiguration.OutMessagesOnRelayThreads == false)
{
outMessagePort = null;
outMessagesPort = null;
if (oldOutDispatcher != null)
{
oldOutDispatcher.Dispose();
}
if (oldOutMessageQueue != null)
{
oldOutMessageQueue.Dispose();
}
}
}
/// <summary>
/// Stop DispatcherQueues and threads.
/// </summary>
public void Dispose()
{
queue.Dispose();
throttledQueue.Dispose();
shouldStay = false;
}