/// <summary>
/// Create a new com service that can connect or listen at the comServiceAddress
/// </summary>
/// <param name="comServiceAddress">The addres of the service, the schema must be ws://. i.e. "ws://localhost:50000/CScom"</param>
public CSCom(string comServiceAddress = "ws://localhost:50000/CSCom")
{
Pipe = new WebsocketPipe <NPMessage>(new Uri(comServiceAddress));
Pipe.Timeout = 30000;
BindMessageHandling();
}
/// <summary>
/// Called to process a message
/// </summary>
/// <param name="e"></param>
/// <param name="waitingForAsyncEvents"></param>
private void ProcessMessage(WebsocketPipe <NPMessage> .MessageEventArgs e)
{
if (this.MessageRecived == null)
{
return;
}
if (!e.RequiresResponse)
{
this.MessageRecived(this, e);
return;
}
string wsid = e.WebsocketID;
if (!SingleThreadedResponseExecution)
{
try
{
this.MessageRecived(this, e);
}
catch (Exception ex)
{
SendErrorMessage(wsid, ex);
}
finally
{
if (RequiresAsyncEventLock)
{
e.WaitForAsynchroniusEvent(true, ASynchroniusEventExecutionTimeout);
}
}
return;
}
if (m_pendingResponseMessagesByID.ContainsKey(wsid))
{
// push to end and return.
if (m_pendingResponseMessagesByID[wsid].Count > SingleThreadedResponseExecutionMaxStackSize)
{
throw new StackOverflowException("Reached the maximal number of pending requests that require a response.");
}
m_pendingResponseMessagesByID[wsid].Enqueue(e);
return;
}
m_pendingResponseMessagesByID[wsid] = new Queue <WebsocketPipe <NPMessage> .MessageEventArgs>();
m_pendingResponseMessagesByID[wsid].Enqueue(e);
while (m_pendingResponseMessagesByID[wsid].Count > 0)
{
e = m_pendingResponseMessagesByID[wsid].Dequeue();
try
{
this.MessageRecived(this, e);
}
catch (Exception ex)
{
SendErrorMessage(wsid, ex);
}
finally
{
if (RequiresAsyncEventLock)
{
e.WaitForAsynchroniusEvent(true, ASynchroniusEventExecutionTimeout);
}
}
}
lock (m_pendingResponseMessagesByID)
{
m_pendingResponseMessagesByID.Remove(wsid);
}
//if (this.RequiresAsyncEventLock)
//{
// if (waitingForAsyncEvents.ContainsKey(e.WebsocketID))
// {
// var lastEv = waitingForAsyncEvents[e.WebsocketID];
// throw new Exception("Called handler " + e.WebsocketID + " to wait for async events though already waiting for async event." +
// " \nPending message: " + (lastEv.Message != null ? lastEv.Message.ToString() : "[none]") +
// " \nCurrent message: " + (e.Message != null ? e.Message.ToString() : "[none]"));
// }
// waitingForAsyncEvents[e.WebsocketID] = e;
//}
//if (this.MessageRecived != null)
// this.MessageRecived(this, e);
//if (this.RequiresAsyncEventLock)
//{
// e.WaitForAsynchroniusEvent(true, ASynchroniusEventExecutionTimeout);
// waitingForAsyncEvents.Remove(e.WebsocketID);
//}
}
