Ejemplo n.º 1
0
        public void BvtDurableCase3()
        {
            Info("Start BVT");
            SessionStartInfo sessionStartInfo;

            sessionStartInfo              = BuildSessionStartInfo(Server, EchoSvcName, null, null, null, null, SessionUnitType.Node, null, null, null);
            sessionStartInfo.Secure       = false;
            sessionStartInfo.ShareSession = true;

            Info("Begin to create session");
            string         serviceJobId;
            int            clientNum     = 2;
            AutoResetEvent anotherClient = new AutoResetEvent(false);

            using (DurableSession session = DurableSession.CreateSession(sessionStartInfo))
            {
                serviceJobId = session.Id;
                var epr = new EndpointAddress(string.Format(NetTcpEndpointPattern, Server, serviceJobId));
                Info("EPR: {0}", epr);
                Task[] tasks = new Task[clientNum];
                for (int i = 0; i < clientNum; i++)
                {
                    var idx = i;
                    tasks[i] = Task.Run(
                        () =>
                    {
                        string guid = Guid.NewGuid().ToString();
                        try
                        {
                            Info("Client {0}: Begin to send requests.", guid);
                            using (BrokerClient <IEchoSvc> client = new BrokerClient <IEchoSvc>(guid, session))
                            {
                                for (int j = 0; j < NumberOfCalls; j++)
                                {
                                    client.SendRequest <EchoRequest>(new EchoRequest(j.ToString()), j + ":" + guid);
                                }

                                Info("Client {0}: Begin to call EndOfMessage.", guid);
                                client.EndRequests();
                                Info("Client {0}: Begin to get responses.", guid);
                                int count = 0;
                                if (idx == 0)
                                {
                                    foreach (BrokerResponse <EchoResponse> response in client.GetResponses <EchoResponse>())
                                    {
                                        count++;
                                        Info(response.Result.EchoResult);
                                        string[] rtn = response.Result.EchoResult.Split(new[] { ':' });
                                        Assert(
                                            rtn[rtn.Length - 1] == response.GetUserData <string>().Split(new[] { ':' })[0] && response.GetUserData <string>().Split(new[] { ':' })[1] == guid,
                                            "Result is corrupt: expected:computername:{0}, actual:{1}",
                                            response.GetUserData <string>().Split(new[] { ':' })[0],
                                            response.Result.EchoResult);
                                    }
                                }
                                else
                                {
                                    foreach (var response in client.GetResponses())
                                    {
                                        count++;
                                        EchoResponse result = (EchoResponse)response.Result;
                                        Info(result.EchoResult);
                                        string[] rtn = result.EchoResult.Split(new[] { ':' });
                                        Assert(
                                            rtn[rtn.Length - 1] == response.GetUserData <string>().Split(new[] { ':' })[0] && response.GetUserData <string>().Split(new[] { ':' })[1] == guid,
                                            "Result is corrupt: expected:computername:{0}, actual:{1}",
                                            response.GetUserData <string>(),
                                            result.EchoResult);
                                    }
                                }

                                if (count == NumberOfCalls)
                                {
                                    Info("Client {0}: Total {1} calls returned.", guid, count);
                                }
                                else
                                {
                                    Error("Client {0}: Total {1} calls returned, but losing {2} results.", guid, count, NumberOfCalls - count);
                                }
                            }
                        }
                        catch (Exception e)
                        {
                            Error("Unexpected exception of Client {0}", e.ToString());
                            throw;
                        }
                        finally
                        {
                            if (Interlocked.Decrement(ref clientNum) <= 0)
                            {
                                anotherClient.Set();
                            }
                        }
                    });
                }

                anotherClient.WaitOne();
                Task.WaitAll(tasks);
                session.Close(true);
                session.Dispose();
            }
        }
Ejemplo n.º 2
0
        static void Main(string[] args)
        {
            //change the headnode name here
            const string     headnode    = "[headnode]";
            const string     serviceName = "EchoService";
            const int        numRequests = 12;
            SessionStartInfo startInfo   = new SessionStartInfo(headnode, serviceName);

            startInfo.BrokerSettings.SessionIdleTimeout = 15 * 60 * 1000;
            startInfo.BrokerSettings.ClientIdleTimeout  = 15 * 60 * 1000;

            Console.Write("Creating a session for EchoService...");

            // Create a durable session
            int            sessionId       = 0;
            DurableSession session         = null;
            bool           successFlag     = false;
            int            retryCount      = 0;
            const int      retryCountMax   = 20;
            const int      retryIntervalMs = 5000;

            while (!successFlag && retryCount++ < retryCountMax)
            {
                try
                {
                    session     = DurableSession.CreateSession(startInfo);
                    successFlag = true;
                }
                catch (EndpointNotFoundException e)
                {
                    Console.WriteLine("EndpointNotFoundException {0}", e.ToString());
                }
                catch (CommunicationException e)
                {
                    Console.WriteLine("CommunicationException {0}", e.ToString());
                }
                catch (TimeoutException e)
                {
                    Console.WriteLine("TimeoutException {0}", e.ToString());
                }
                catch (SessionException e)
                {
                    Console.WriteLine("SessionException {0}, error code 0x{1:x}", e.ToString(), e.ErrorCode);
                    // if session fatal errors happen, no retry
                    if (SOAFaultCode.Category(e.ErrorCode).Equals(SOAFaultCodeCategory.SessionFatalError))
                    {
                        Console.WriteLine("SessionExceptionCategory : SessionFatalError {0}", e.ToString());
                        Console.WriteLine("No retry.");
                        retryCount = retryCountMax;
                        continue;
                    }
                }
                catch (Exception e)
                {
                    Console.WriteLine("General exception {0}", e.ToString());
                }

                if (!successFlag)
                {
                    Console.WriteLine("=== Sleep {0} ms to retry. Retry count left {1}. ===", retryIntervalMs, retryCountMax - retryCount);
                    Thread.Sleep(retryIntervalMs);
                }
            }

            if (!successFlag)
            {
                Console.WriteLine("Create durable session failed.");
                return;
            }

            sessionId = session.Id;
            Console.WriteLine("Done session id = {0}", sessionId);


            //send requests
            successFlag = false;
            retryCount  = 0;
            const int sendTimeoutMs = 5000;

            const int clientPurgeTimeoutMs = 60000;

            while (!successFlag && retryCount++ < retryCountMax)
            {
                using (BrokerClient <IService1> client = new BrokerClient <IService1>(session))
                {
                    Console.Write("Sending {0} requests...", numRequests);

                    try
                    {
                        for (int i = 0; i < numRequests; i++)
                        {
                            //client.SendRequest<EchoFaultRequest>(new EchoFaultRequest("dividebyzeroexception"), i, sendTimeoutMs);
                            client.SendRequest <EchoDelayRequest>(new EchoDelayRequest(5000), i, sendTimeoutMs);
                        }

                        client.EndRequests();
                        successFlag = true;
                        Console.WriteLine("done");
                    }

                    catch (TimeoutException e)
                    {
                        // Timeout exceptions
                        Console.WriteLine("TimeoutException {0}", e.ToString());
                    }
                    catch (CommunicationException e)
                    {
                        //CommunicationException
                        Console.WriteLine("CommunicationException {0}", e.ToString());
                    }
                    catch (SessionException e)
                    {
                        Console.WriteLine("SessionException {0}, error code 0x{1:x}", e.ToString(), e.ErrorCode);

                        if (SOAFaultCode.Broker_BrokerUnavailable == e.ErrorCode)
                        {
                            Console.WriteLine("SessionException : BrokerUnavailable {0}", e.ToString());
                        }
                        // Session Exceptions are unrecoverable unless they are application errors
                        if (SOAFaultCode.Category(e.ErrorCode).Equals(SOAFaultCodeCategory.ApplicationError))
                        {
                            Console.WriteLine("SessionExceptionCategory : ApplicationError {0}", e.ToString());
                        }

                        // if session fatal errors happen, no retry
                        if (SOAFaultCode.Category(e.ErrorCode).Equals(SOAFaultCodeCategory.SessionFatalError))
                        {
                            Console.WriteLine("SessionExceptionCategory : SessionFatalError {0}", e.ToString());
                            Console.WriteLine("No retry.");
                            retryCount = retryCountMax;
                            continue;
                        }
                    }
                    catch (Exception e)
                    {
                        //general exceptions
                        Console.WriteLine("Exception {0}", e.ToString());
                    }

                    //purge client if not succeeded, needed?
                    if (!successFlag)
                    {
                        try
                        {
                            client.Close(true, clientPurgeTimeoutMs);
                        }
                        catch (Exception e)
                        {
                            Console.WriteLine("Failed to purge the client after send request failure {0}", e.ToString());
                        }
                    }
                }

                if (!successFlag)
                {
                    Console.WriteLine("=== Sleep {0} ms to retry. Retry count left {1}. ===", retryIntervalMs, retryCountMax - retryCount);
                    Thread.Sleep(retryIntervalMs);
                }
            }

            if (!successFlag)
            {
                Console.WriteLine("Send requests failed.");
                return;
            }

            //dispose the session here
            session.Dispose();

            //attach the session
            SessionAttachInfo attachInfo = new SessionAttachInfo(headnode, sessionId);


            successFlag = false;
            retryCount  = 0;
            const int attachTimeoutMs = 15000;

            while (!successFlag && retryCount++ < retryCountMax)
            {
                try
                {
                    session     = DurableSession.AttachSession(attachInfo);
                    successFlag = true;
                }
                catch (EndpointNotFoundException e)
                {
                    Console.WriteLine("{0}", e.ToString());
                }
                catch (CommunicationException e)
                {
                    Console.WriteLine("{0}", e.ToString());
                }
                catch (SessionException e)
                {
                    Console.WriteLine("SessionException {0}, error code 0x{1:x}", e.ToString(), e.ErrorCode);
                    // if session fatal errors happen, no retry
                    if (SOAFaultCode.Category(e.ErrorCode).Equals(SOAFaultCodeCategory.SessionFatalError))
                    {
                        Console.WriteLine("SessionExceptionCategory : SessionFatalError {0}", e.ToString());
                        Console.WriteLine("No retry.");
                        retryCount = retryCountMax;
                        continue;
                    }
                }
                catch (Exception e)
                {
                    Console.WriteLine("General exception {0}", e.ToString());
                }

                if (!successFlag)
                {
                    Console.WriteLine("=== Sleep {0} ms to retry. Retry count left {1}. ===", retryIntervalMs, retryCountMax - retryCount);
                    Thread.Sleep(retryIntervalMs);
                }
            }

            if (!successFlag)
            {
                Console.WriteLine("Attach durable session failed.");
                return;
            }



            successFlag = false;
            retryCount  = 0;
            const int getTimeoutMs         = 30000;
            const int clientCloseTimeoutMs = 15000;

            Console.WriteLine("Retrieving responses...");
            while (!successFlag && retryCount++ < retryCountMax)
            {
                using (BrokerClient <IService1> client = new BrokerClient <IService1>(session))
                {
                    // GetResponses from the runtime system
                    // EchoResponse class is created as you add Service Reference "EchoService" to the project
                    try
                    {
                        //foreach (var response in client.GetResponses<EchoFaultResponse>(getTimeoutMs))
                        foreach (var response in client.GetResponses <EchoDelayResponse>(getTimeoutMs))
                        {
                            try
                            {
                                //string reply = response.Result.EchoFaultResult ;
                                int reply = response.Result.EchoDelayResult;
                                Console.WriteLine("\tReceived response for delay request {0}: {1}", response.GetUserData <int>(), reply);
                            }
                            catch (FaultException <DivideByZeroException> e)
                            {
                                // Application exceptions
                                Console.WriteLine("FaultException<DivideByZeroException> {0}", e.ToString());
                            }
                            catch (FaultException e)
                            {
                                // Application exceptions
                                Console.WriteLine("FaultException {0}", e.ToString());
                            }
                            catch (RetryOperationException e)
                            {
                                // RetryOperationExceptions may or may not be recoverable
                                Console.WriteLine("RetryOperationException {0}", e.ToString());
                            }
                        }

                        successFlag = true;
                        Console.WriteLine("Done retrieving {0} responses", numRequests);
                    }

                    catch (TimeoutException e)
                    {
                        // Timeout exceptions
                        Console.WriteLine("TimeoutException {0}", e.ToString());
                    }
                    catch (CommunicationException e)
                    {
                        //CommunicationException
                        Console.WriteLine("CommunicationException {0}", e.ToString());
                    }
                    catch (SessionException e)
                    {
                        Console.WriteLine("SessionException {0}, error code 0x{1:x}", e.ToString(), e.ErrorCode);

                        if (SOAFaultCode.Broker_BrokerUnavailable == e.ErrorCode)
                        {
                            Console.WriteLine("SessionException : BrokerUnavailable {0}", e.ToString());
                        }
                        // Session Exceptions are unrecoverable unless they are application errors
                        if (SOAFaultCode.Category(e.ErrorCode).Equals(SOAFaultCodeCategory.ApplicationError))
                        {
                            Console.WriteLine("SessionExceptionCategory : ApplicationError {0}", e.ToString());
                        }
                        // if session fatal errors happen, no retry
                        if (SOAFaultCode.Category(e.ErrorCode).Equals(SOAFaultCodeCategory.SessionFatalError))
                        {
                            Console.WriteLine("SessionExceptionCategory : SessionFatalError {0}", e.ToString());
                            Console.WriteLine("No retry.");
                            retryCount = retryCountMax;
                            continue;
                        }
                    }
                    catch (Exception e)
                    {
                        //general exceptions
                        Console.WriteLine("Exception {0}", e.ToString());
                    }

                    try
                    {
                        client.Close(false, clientCloseTimeoutMs);
                    }
                    catch (Exception e)
                    {
                        Console.WriteLine("Exception", e.ToString());
                    }
                }

                if (!successFlag)
                {
                    Console.WriteLine("=== Sleep {0} ms to retry. Retry count left {1}. ===", retryIntervalMs, retryCountMax - retryCount);
                    Thread.Sleep(retryIntervalMs);
                }
            }

            //explict close the session to free the resource
            successFlag = false;
            retryCount  = 0;

            Console.WriteLine("Close the session...");
            while (!successFlag && retryCount++ < retryCountMax)
            {
                try
                {
                    session.Close(true);
                    successFlag = true;
                }
                catch (SessionException e)
                {
                    Console.WriteLine("SessionException {0}, error code 0x{1:x}", e.ToString(), e.ErrorCode);
                    // if session fatal errors happen, no retry
                    if (SOAFaultCode.Category(e.ErrorCode).Equals(SOAFaultCodeCategory.SessionFatalError))
                    {
                        Console.WriteLine("SessionExceptionCategory : SessionFatalError {0}", e.ToString());
                        Console.WriteLine("No retry.");
                        retryCount = retryCountMax;
                        continue;
                    }
                }
                catch (Exception e)
                {
                    Console.WriteLine("{0}", e.ToString());
                }

                if (!successFlag)
                {
                    Console.WriteLine("=== Sleep {0} ms to retry. Retry count left {1}. ===", retryIntervalMs, retryCountMax - retryCount);
                    Thread.Sleep(retryIntervalMs);
                }
            }

            Console.WriteLine("Press any key to exit.");
            Console.ReadKey();
        }