public void CancelSender(TheThing myBaseThingForLogging, CancellationToken?masterToken = null, bool triggerCancelOnly = false)
{
StopThingMatcher();
SenderTaskInfo previousTaskInfo = null;
if (pendingHistoryLoops.TryGetValue(cdeMID, out previousTaskInfo))
{
try
{
if (!masterToken.HasValue)
{
masterToken = TheBaseAssets.MasterSwitchCancelationToken;
}
try
{
previousTaskInfo.cancelSource.Cancel();
}
catch { }
if (triggerCancelOnly)
{
return;
}
int count = 0;
const int timePerLoop = 1000;
const int timeout = 1 * 60;
while (!masterToken.Value.IsCancellationRequested &&
previousTaskInfo.task.Status != TaskStatus.Canceled &&
previousTaskInfo.task.Status != TaskStatus.Faulted &&
previousTaskInfo.task.Status != TaskStatus.RanToCompletion &&
count < timeout
)
{
try
{
previousTaskInfo.task.Wait(timePerLoop, masterToken.Value);
}
catch (OperationCanceledException) { }
count++;
if (count >= timeout)
{
TheBaseAssets.MySYSLOG.WriteToLog(95275, TSM.L(eDEBUG_LEVELS.OFF) ? null : new TSM(myBaseThingForLogging.EngineName, "Connect", eMsgLevel.l2_Warning, $"Waiting on cancel previous send loop for {myBaseThingForLogging.FriendlyName} - {cdeMID}: timeout after {count * timePerLoop} ms. Retrying."));
count = 0;
}
}
if (count >= timeout)
{
TheBaseAssets.MySYSLOG.WriteToLog(95275, TSM.L(eDEBUG_LEVELS.OFF) ? null : new TSM(myBaseThingForLogging.EngineName, "Connect", eMsgLevel.l2_Warning, $"Unable to cancel previous send loop for {myBaseThingForLogging.FriendlyName} - {cdeMID}: timeout after {count * timePerLoop} ms"));
}
previousTaskInfo.cancelSource?.Dispose();
pendingHistoryLoops.RemoveNoCare(cdeMID);
}
catch (Exception e)
{
TheBaseAssets.MySYSLOG.WriteToLog(95257, TSM.L(eDEBUG_LEVELS.OFF) ? null : new TSM(myBaseThingForLogging.EngineName, "Connect", eMsgLevel.l6_Debug, String.Format("Exception while cancelling previous send loop for thing {0}: {1}", cdeMID, TheCommonUtils.GetAggregateExceptionMessage(e))));
}
}
}
public override void Connect()
{
if (this.Connecting)
{
return;
}
try
{
#if CDEPUBSUB
ConnectPubSub();
#endif
IsConnected = true;
MyBaseThing.StatusLevel = 1;
TheBaseAssets.MySYSLOG.WriteToLog(180006, new TSM(MyBaseThing.EngineName, "Connect", eMsgLevel.l3_ImportantMessage, String.Format("Started Mesh Receiver {0}", this.GetBaseThing().FriendlyName)));
MyBaseThing.LastMessage = DateTimeOffset.Now + ": Running";
}
catch (Exception e)
{
TheBaseAssets.MySYSLOG.WriteToLog(180007, new TSM(MyBaseThing.EngineName, "Connect", eMsgLevel.l1_Error, String.Format("Unable to start Mesh Receiver {0}. Exception: {1}", this.GetBaseThing().FriendlyName, TheCommonUtils.GetAggregateExceptionMessage(e))));
MyBaseThing.LastMessage = DateTimeOffset.Now + ": Unable to connect - " + TheCommonUtils.GetAggregateExceptionMessage(e);
}
finally
{
this.Connecting = false;
}
}
public override void Disconnect(bool bDrain)
{
try
{
this.Disconnecting = true;
TheBaseAssets.MySYSLOG.WriteToLog(180008, new TSM(MyBaseThing.EngineName, "Disconnect", eMsgLevel.l6_Debug, String.Format("Closing Mesh Receiver for connection {0}", this.GetBaseThing().FriendlyName)));
#if CDEPUBSUB
_pubsubCancellationTokenSource?.Cancel();
_pubsubCancellationTokenSource = null;
#endif
TheBaseAssets.MySYSLOG.WriteToLog(180009, new TSM(MyBaseThing.EngineName, "Disconnect", eMsgLevel.l3_ImportantMessage, String.Format("Stopped Mesh Receiver {0}", this.GetBaseThing().FriendlyName)));
MyBaseThing.LastMessage = DateTimeOffset.Now + ": Stopped.";
IsConnected = false;
MyBaseThing.StatusLevel = 0;
}
catch (Exception e)
{
TheBaseAssets.MySYSLOG.WriteToLog(180010, new TSM(MyBaseThing.EngineName, "Disconnect", eMsgLevel.l1_Error, String.Format("Unable to stop Mesh Receiver {0}. Exception: {1}", this.GetBaseThing().FriendlyName, TheCommonUtils.GetAggregateExceptionMessage(e))));
MyBaseThing.LastMessage = DateTimeOffset.Now + ": Unable to stop - " + e.Message;
}
finally
{
this.Disconnecting = false;
}
}
internal override bool Connect(TheQueuedSender pSender)
{
if (pSender == null /*|| pSender.MyTargetNodeChannel==null*/)
{
return(false);
}
if (pSender.IsConnected)
{
return(true);
}
IsClient = true;
if (MyQSender == null)
{
MyQSender = pSender;
}
var _MyTargetNodeChannel = pSender?.MyTargetNodeChannel;
Uri TargetUri = TheCommonUtils.CUri(_MyTargetNodeChannel?.TargetUrl, true);
if (TargetUri == null)
{
TheBaseAssets.MySYSLOG.WriteToLog(4365, TSM.L(eDEBUG_LEVELS.OFF) ? null : new TSM("WSProcessor", "Invalid Target URL", eMsgLevel.l1_Error, $"{_MyTargetNodeChannel?.ToString()}"));
return(false);
}
OwnerNodeID = _MyTargetNodeChannel.cdeMID;
string TargetUriPath = TargetUri.AbsolutePath;
Uri tTarget = new Uri(TargetUri, TheBaseAssets.MyScopeManager.GetISBPath(TargetUriPath, TheCommonUtils.GetOriginST(_MyTargetNodeChannel), _MyTargetNodeChannel.SenderType, 1, Guid.Empty, true));
tTarget = tTarget.SetWSInfo(tTarget.Port, "");
string connectFailureReason = "";
try
{
IsActive = true;
CloseFired = false;
ConnectSuccess = false;
ClientWebSocket wsClientSocket = new ClientWebSocket();
websocket = wsClientSocket;
if (!string.IsNullOrEmpty(TheBaseAssets.MyServiceHostInfo.ProxyUrl))
{
try
{
System.Net.NetworkCredential tNet = null;
if (!string.IsNullOrEmpty(TheBaseAssets.MyServiceHostInfo.ProxyUID))
{
tNet = new System.Net.NetworkCredential(TheBaseAssets.MyServiceHostInfo.ProxyUID, TheBaseAssets.MyServiceHostInfo.ProxyPWD);
}
if (wsClientSocket.Options != null)
{
wsClientSocket.Options.Proxy = new System.Net.WebProxy(TheBaseAssets.MyServiceHostInfo.ProxyUrl, true, null, tNet);
TheBaseAssets.MySYSLOG.WriteToLog(4365, TSM.L(eDEBUG_LEVELS.VERBOSE) ? null : new TSM("WSProcessor", $"Web Proxy set: {TheBaseAssets.MyServiceHostInfo.ProxyUrl} UID: {!string.IsNullOrEmpty(TheBaseAssets.MyServiceHostInfo.ProxyUID)} PWD: {!string.IsNullOrEmpty(TheBaseAssets.MyServiceHostInfo.ProxyPWD)}", eMsgLevel.l4_Message));
}
}
catch (Exception e)
{
TheBaseAssets.MySYSLOG.WriteToLog(4365, TSM.L(eDEBUG_LEVELS.OFF) ? null : new TSM("WSProcessor", "Error setting Proxy credentials:", eMsgLevel.l1_Error, e.ToString()));
}
}
if (!string.IsNullOrEmpty(_MyTargetNodeChannel?.ClientCertificateThumb))
{
try
{
X509Certificate2Collection cert = TheCertificates.GetClientCertificatesByThumbprint(_MyTargetNodeChannel?.ClientCertificateThumb);
if (cert?.Count < 1)
{
TheBaseAssets.MySYSLOG.WriteToLog(4365, TSM.L(eDEBUG_LEVELS.OFF) ? null : new TSM("WSProcessor", $"Error setting Client Certificate - Requested Cert with Thumbprint {_MyTargetNodeChannel?.ClientCertificateThumb} not found", eMsgLevel.l1_Error));
return(false);
}
wsClientSocket.Options.ClientCertificates = cert;
}
catch (Exception certex)
{
TheBaseAssets.MySYSLOG.WriteToLog(4365, TSM.L(eDEBUG_LEVELS.OFF) ? null : new TSM("WSProcessor", "Error setting Client Certificate", eMsgLevel.l1_Error, certex.ToString()));
return(false);
}
}
Task myTask = wsClientSocket.ConnectAsync(tTarget, CancellationToken.None);
myTask.Wait(TheBaseAssets.MyServiceHostInfo.TO.WsTimeOut * 12);
if (myTask.IsCompleted)
{
// CODE REVIEW MH: ProcessWS synchronously can run for quite a bit until the first await. Should we start this as a new task?
ConnectSuccess = true;
var taskNoWait = ProcessWS(); //Sets Connecting and Connected when ready
}
else
{
TheBaseAssets.MySYSLOG.WriteToLog(4365, new TSM("WSProcessor", $"WSClient Connect Request timed out Task:{myTask.Status}", eMsgLevel.l2_Warning));
connectFailureReason += "Connect Request Timeout";
}
}
catch (Exception e)
{
TheBaseAssets.MySYSLOG.WriteToLog(4365, TSM.L(eDEBUG_LEVELS.VERBOSE) ? null : new TSM("WSProcessor", "ClientConnect Request Failed:", eMsgLevel.l1_Error, e.ToString()));
connectFailureReason += TheCommonUtils.GetAggregateExceptionMessage(e, false);
}
if (ConnectSuccess) //This prevents double shutdown as the eventconnecte with ConnectSuccess=false will cause a shutdown again
{
eventConnected?.Invoke(this, ConnectSuccess, $"1602:{connectFailureReason}");
}
else
{
Shutdown(true, $"1603:WSConnect was not successful ({connectFailureReason})");
}
return(ConnectSuccess);
}