Пример #1
0
        internal static async Task <AdvisoryConsumer> CreateAsync(Connection connection, ConsumerId consumerId)
        {
            var advisoryConsumer = new AdvisoryConsumer(connection, consumerId);

            connection.AddDispatcher(consumerId, advisoryConsumer);
            await connection.SyncRequestAsync(advisoryConsumer.info).Await();

            return(advisoryConsumer);
        }
Пример #2
0
        /// <summary>
        /// Check and ensure that the connection objcet is connected.  If it is not
        /// connected or is closed, a ConnectionClosedException is thrown.
        /// </summary>
        internal void CheckConnected()
        {
            if (closed.Value)
            {
                throw new ConnectionClosedException();
            }

            if (!connected.Value)
            {
                DateTime timeoutTime = DateTime.Now + this.RequestTimeout;
                int      waitCount   = 1;

                while (true)
                {
                    if (Monitor.TryEnter(checkConnectedLock))
                    {
                        try
                        {
                            if (!connected.Value)
                            {
                                if (!this.userSpecifiedClientID)
                                {
                                    this.info.ClientId = this.clientIdGenerator.GenerateId();
                                }

                                try
                                {
                                    if (null != transport)
                                    {
                                        // Send the connection and see if an ack/nak is returned.
                                        Response response = transport.Request(this.info, this.RequestTimeout);
                                        if (!(response is ExceptionResponse))
                                        {
                                            connected.Value = true;
                                            if (this.watchTopicAdviosires)
                                            {
                                                ConsumerId id = new ConsumerId(
                                                    new SessionId(info.ConnectionId, -1),
                                                    Interlocked.Increment(ref this.consumerIdCounter));
                                                this.advisoryConsumer = new AdvisoryConsumer(this, id);
                                            }
                                        }
                                    }
                                }
                                catch
                                {
                                }
                            }
                        }
                        finally
                        {
                            Monitor.Exit(checkConnectedLock);
                        }
                    }

                    if (connected.Value || DateTime.Now > timeoutTime)
                    {
                        break;
                    }

                    // Back off from being overly aggressive.  Having too many threads
                    // aggressively trying to connect to a down broker pegs the CPU.
                    Thread.Sleep(5 * (waitCount++));
                }

                if (!connected.Value)
                {
                    throw new ConnectionClosedException();
                }
            }
        }
Пример #3
0
        public void Close()
        {
            if (!this.closed.Value && !transportFailed.Value)
            {
                this.Stop();
            }

            lock (myLock)
            {
                if (this.closed.Value)
                {
                    return;
                }

                try
                {
                    Tracer.Info("Connection.Close(): Closing Connection Now.");
                    this.closing.Value = true;

                    if (this.advisoryConsumer != null)
                    {
                        this.advisoryConsumer.Dispose();
                        this.advisoryConsumer = null;
                    }

                    lock (sessions.SyncRoot)
                    {
                        foreach (Session session in sessions)
                        {
                            session.Shutdown();
                        }
                    }
                    sessions.Clear();

                    foreach (ActiveMQTempDestination dest in this.tempDests.Values)
                    {
                        dest.Delete();
                    }

                    // Connected is true only when we've successfully sent our ConnectionInfo
                    // to the broker, so if we haven't announced ourselves there's no need to
                    // inform the broker of a remove, and if the transport is failed, why bother.
                    if (connected.Value && !transportFailed.Value)
                    {
                        DisposeOf(ConnectionId);
                        ShutdownInfo shutdowninfo = new ShutdownInfo();
                        transport.Oneway(shutdowninfo);
                    }

                    executor.Shutdown();

                    Tracer.Info("Connection: Disposing of the Transport.");
                    transport.Dispose();
                }
                catch (Exception ex)
                {
                    Tracer.ErrorFormat("Error during connection close: {0}", ex);
                }
                finally
                {
                    if (executor != null)
                    {
                        executor.Shutdown();
                    }

                    this.transport       = null;
                    this.closed.Value    = true;
                    this.connected.Value = false;
                    this.closing.Value   = false;
                }
            }
        }
Пример #4
0
        public void Close()
        {
            if (!this.closed.Value && !transportFailed.Value)
            {
                this.Stop();
            }

            lock (myLock)
            {
                if (this.closed.Value)
                {
                    return;
                }

                try
                {
                    Tracer.InfoFormat("Connection[{0}]: Closing Connection Now.", this.ConnectionId);
                    this.closing.Value = true;

                    if (this.advisoryConsumer != null)
                    {
                        this.advisoryConsumer.Dispose();
                        this.advisoryConsumer = null;
                    }

                    lock (sessions.SyncRoot)
                    {
                        foreach (Session session in sessions)
                        {
                            session.Shutdown();
                        }
                    }
                    sessions.Clear();

                    if (this.tempDests.Count > 0)
                    {
                        // Make a copy of the destinations to delete, because the act of deleting
                        // them will modify the collection.
                        ActiveMQTempDestination[] tempDestsToDelete = new ActiveMQTempDestination[this.tempDests.Count];

                        this.tempDests.Values.CopyTo(tempDestsToDelete, 0);
                        foreach (ActiveMQTempDestination dest in tempDestsToDelete)
                        {
                            dest.Delete();
                        }
                    }

                    // Connected is true only when we've successfully sent our ConnectionInfo
                    // to the broker, so if we haven't announced ourselves there's no need to
                    // inform the broker of a remove, and if the transport is failed, why bother.
                    if (connected.Value && !transportFailed.Value)
                    {
                        DisposeOf(ConnectionId);
                        ShutdownInfo shutdowninfo = new ShutdownInfo();
                        transport.Oneway(shutdowninfo);
                    }

                    executor.Shutdown();

                    Tracer.DebugFormat("Connection[{0}]: Disposing of the Transport.", this.ConnectionId);
                    transport.Stop();
                    transport.Dispose();
                }
                catch (Exception ex)
                {
                    Tracer.ErrorFormat("Connection[{0}]: Error during connection close: {1}", ConnectionId, ex);
                }
                finally
                {
                    if (executor != null)
                    {
                        executor.Shutdown();
                    }

                    this.transport       = null;
                    this.closed.Value    = true;
                    this.connected.Value = false;
                    this.closing.Value   = false;
                }
            }
        }
Пример #5
0
        /// <summary>
        /// Check and ensure that the connection objcet is connected.  If it is not
        /// connected or is closed, a ConnectionClosedException is thrown.
        /// </summary>
        internal void CheckConnected()
        {
            if(closed.Value)
            {
                throw new ConnectionClosedException();
            }

            if(!connected.Value)
            {
                DateTime timeoutTime = DateTime.Now + this.RequestTimeout;
                int waitCount = 1;

                while(true)
                {
                    if(Monitor.TryEnter(checkConnectedLock))
                    {
                        try
                        {
                            if(!connected.Value)
                            {
                                if(!this.userSpecifiedClientID)
                                {
                                    this.info.ClientId = this.clientIdGenerator.GenerateId();
                                }

                                try
                                {
                                    if(null != transport)
                                    {
                                        // Send the connection and see if an ack/nak is returned.
                                        Response response = transport.Request(this.info, this.RequestTimeout);
                                        if(!(response is ExceptionResponse))
                                        {
                                            connected.Value = true;
                                            if(this.watchTopicAdviosires)
                                            {
                                                ConsumerId id = new ConsumerId(
                                                    new SessionId(info.ConnectionId, -1),
                                                    Interlocked.Increment(ref this.consumerIdCounter));
                                                this.advisoryConsumer = new AdvisoryConsumer(this, id);
                                            }
                                        }
                                    }
                                }
                                catch
                                {
                                }
                            }
                        }
                        finally
                        {
                            Monitor.Exit(checkConnectedLock);
                        }
                    }

                    if(connected.Value || DateTime.Now > timeoutTime)
                    {
                        break;
                    }

                    // Back off from being overly aggressive.  Having too many threads
                    // aggressively trying to connect to a down broker pegs the CPU.
                    Thread.Sleep(5 * (waitCount++));
                }

                if(!connected.Value)
                {
                    throw new ConnectionClosedException();
                }
            }
        }
Пример #6
0
        public void Close()
        {
            if(!this.closed.Value && !transportFailed.Value)
            {
                this.Stop();
            }

            lock(myLock)
            {
                if(this.closed.Value)
                {
                    return;
                }

                try
                {
                    Tracer.InfoFormat("Connection[{0}]: Closing Connection Now.", this.ConnectionId);
                    this.closing.Value = true;

                    if(this.advisoryConsumer != null)
                    {
                        this.advisoryConsumer.Dispose();
                        this.advisoryConsumer = null;
                    }

                    lock(sessions.SyncRoot)
                    {
                        foreach(Session session in sessions)
                        {
                            session.Shutdown();
                        }
                    }
                    sessions.Clear();

                    if(this.tempDests.Count > 0)
                    {
                        // Make a copy of the destinations to delete, because the act of deleting
                        // them will modify the collection.
                        ActiveMQTempDestination[] tempDestsToDelete = new ActiveMQTempDestination[this.tempDests.Count];

                        this.tempDests.Values.CopyTo(tempDestsToDelete, 0);
                        foreach(ActiveMQTempDestination dest in tempDestsToDelete)
                        {
                            dest.Delete();
                        }
                    }

                    // Connected is true only when we've successfully sent our ConnectionInfo
                    // to the broker, so if we haven't announced ourselves there's no need to
                    // inform the broker of a remove, and if the transport is failed, why bother.
                    if(connected.Value && !transportFailed.Value)
                    {
                        DisposeOf(ConnectionId);
                        ShutdownInfo shutdowninfo = new ShutdownInfo();
                        transport.Oneway(shutdowninfo);
                    }

                    executor.Shutdown();

                    Tracer.DebugFormat("Connection[{0}]: Disposing of the Transport.", this.ConnectionId);
                    transport.Dispose();
                }
                catch(Exception ex)
                {
                    Tracer.ErrorFormat("Connection[{0}]: Error during connection close: {1}", ConnectionId, ex);
                }
                finally
                {
                    if(executor != null)
                    {
                        executor.Shutdown();
                    }

                    this.transport = null;
                    this.closed.Value = true;
                    this.connected.Value = false;
                    this.closing.Value = false;
                }
            }
        }