C# ReceiverLink.Close方法代码示例

        public void TestMethod_BasicSendReceive()
        {
            string testName = "BasicSendReceive";
            const int nMsgs = 200;
            Connection connection = new Connection(testTarget.Address);
            Session session = new Session(connection);
            SenderLink sender = new SenderLink(session, "sender-" + testName, testTarget.Path);

            for (int i = 0; i < nMsgs; ++i)
            {
                Message message = new Message("msg" + i);
                message.Properties = new Properties() { GroupId = "abcdefg" };
                message.ApplicationProperties = new ApplicationProperties();
                message.ApplicationProperties["sn"] = i;
                sender.Send(message, null, null);
            }

            ReceiverLink receiver = new ReceiverLink(session, "receiver-" + testName, testTarget.Path);
            for (int i = 0; i < nMsgs; ++i)
            {
                Message message = receiver.Receive();
                Trace.WriteLine(TraceLevel.Verbose, "receive: {0}", message.ApplicationProperties["sn"]);
                receiver.Accept(message);
            }
            
            sender.Close();
            receiver.Close();
            session.Close();
            connection.Close();
        }

        static void Main(string[] args)
        {
            string brokerUrl = "amqp://localhost:5672";
              string address   = "my_queue";

              Address    brokerAddr = new Address(brokerUrl);
              Connection connection = new Connection(brokerAddr);
              Session    session    = new Session(connection);

              SenderLink   sender   = new   SenderLink(session, "sender",   address);
              ReceiverLink receiver = new ReceiverLink(session, "receiver", address);

              Message helloOut = new Message("Hello World!");
              sender.Send(helloOut);

              Message helloIn = receiver.Receive();
              receiver.Accept(helloIn);

              Console.WriteLine(helloIn.Body.ToString());

              receiver.Close();
              sender.Close();
              session.Close();
              connection.Close();
        }

        //
        // Sample invocation: Interop.Drain.exe --broker localhost:5672 --timeout 30 --address my-queue
        //
        static int Main(string[] args)
        {
            const int ERROR_SUCCESS = 0;
            const int ERROR_NO_MESSAGE = 1;
            const int ERROR_OTHER = 2;

            int exitCode = ERROR_SUCCESS;
            Connection connection = null;
            try
            {
                Options options = new Options(args);

                Address address = new Address(options.Url);
                connection = new Connection(address);
                Session session = new Session(connection);
                ReceiverLink receiver = new ReceiverLink(session, "receiver-drain", options.Address);
                int timeout = int.MaxValue;
                if (!options.Forever)
                    timeout = 1000 * options.Timeout;
                Message message = new Message();
                int nReceived = 0;
                receiver.SetCredit(options.InitialCredit);
                while ((message = receiver.Receive(timeout)) != null)
                {
                    nReceived++;
                    if (!options.Quiet)
                    {
                        Console.WriteLine("Message(Properties={0}, ApplicationProperties={1}, Body={2}",
                                      message.Properties, message.ApplicationProperties, message.Body);
                    }
                    receiver.Accept(message);
                    if (options.Count > 0 && nReceived == options.Count)
                    {
                        break;
                    }
                }
                if (message == null)
                {
                    exitCode = ERROR_NO_MESSAGE;
                }
                receiver.Close();
                session.Close();
                connection.Close();
            }
            catch (Exception e)
            {
                Console.WriteLine("Exception {0}.", e);
                if (null != connection)
                    connection.Close();
                exitCode = ERROR_OTHER;
            }
            return exitCode;
        }

        protected void GetPartitions(Session session)
        {
            ReceiverLink receiverLink = null;
            SenderLink senderLink = null;

            try
            {
                // create a pair of links for request/response
                Trace.WriteLine(TraceLevel.Information, "Creating a request and a response link...");
                string clientNode = "client-temp-node";
                senderLink = new SenderLink(session, "mgmt-sender", "$management");
                receiverLink = new ReceiverLink(
                    session,
                    "mgmt-receiver",
                    new Attach()
                    {
                        Source = new Source() { Address = "$management" },
                        Target = new Target() { Address = clientNode }
                    },
                    null);

                var request = new Amqp.Message();
                request.Properties = new Properties() { MessageId = "request1", ReplyTo = clientNode };
                request.ApplicationProperties = new ApplicationProperties();
                request.ApplicationProperties["operation"] = "READ";
                request.ApplicationProperties["name"] = settings.EventHubName;
                request.ApplicationProperties["type"] = "com.microsoft:eventhub";
                senderLink.Send(request, null, null);

                var response = receiverLink.Receive(15000); // time out after 15 seconds
                if (response == null)
                {
                    throw new Exception("No get partitions response was received.");
                }

                receiverLink.Accept(response);

                Trace.WriteLine(TraceLevel.Information, "Partition info {0}", response.Body.ToString());
                var partitionStrings = (string[])((Map)response.Body)["partition_ids"];
                Trace.WriteLine(TraceLevel.Information, "Partitions {0}", string.Join(",", partitionStrings));
                this.partitions = new List<string>(partitionStrings);
            }
            catch (Exception x)
            {
                Trace.WriteLine(TraceLevel.Error, "Error retrieving partitions:\r\n{0}", x.ToString());
                throw x;
            }
            finally
            {
                if (receiverLink != null) receiverLink.Close();
                if (senderLink != null) senderLink.Close();
            }
        }

        static string[] GetPartitions()
        {
            Trace.WriteLine(TraceLevel.Information, "Retrieving partitions...");
            Trace.WriteLine(TraceLevel.Information, "Establishing a connection...");
            Address address = new Address(sbNamespace, 5671, keyName, keyValue);
            Connection connection = new Connection(address);

            Trace.WriteLine(TraceLevel.Information, "Creating a session...");
            Session session = new Session(connection);

            // create a pair of links for request/response
            Trace.WriteLine(TraceLevel.Information, "Creating a request and a response link...");
            string clientNode = "client-temp-node";
            SenderLink sender = new SenderLink(session, "mgmt-sender", "$management");
            ReceiverLink receiver = new ReceiverLink(
                session,
                "mgmt-receiver",
                new Attach()
                {
                    Source = new Source() { Address = "$management" },
                    Target = new Target() { Address = clientNode }
                },
                null);

            Message request = new Message();
            request.Properties = new Properties() { MessageId = "request1", ReplyTo = clientNode };
            request.ApplicationProperties = new ApplicationProperties();
            request.ApplicationProperties["operation"] = "READ";
            request.ApplicationProperties["name"] = entity;
            request.ApplicationProperties["type"] = "com.microsoft:eventhub";
            sender.Send(request, null, null);

            Message response = receiver.Receive();
            if (response == null)
            {
                throw new Exception("No response was received.");
            }

            receiver.Accept(response);
            receiver.Close();
            sender.Close();
            connection.Close();

            Trace.WriteLine(TraceLevel.Information, "Partition info {0}", response.Body.ToString());
            string[] partitions = (string[])((Map)response.Body)["partition_ids"];
            Trace.WriteLine(TraceLevel.Information, "Partitions {0}", string.Join(",", partitions));
            Trace.WriteLine(TraceLevel.Information, "");

            return partitions;
        }

        string[] GetPartitions()
        {
            Address address = new Address(sbNamespace, 5671, ReckeyName, ReckeyValue);
            Connection connection = new Connection(address);
            Session session = new Session(connection);

            // create a pair of links for request/response
            string clientNode = "client-temp-node";
            SenderLink sender = new SenderLink(session, "mgmt-sender", "$management");
            ReceiverLink receiver = new ReceiverLink(
                session,
                "mgmt-receiver",
                new Attach()
                {
                    Source = new Source() { Address = "$management" },
                    Target = new Target() { Address = clientNode }
                },
                null);

            Message request = new Message();
            request.Properties = new Properties() { MessageId = "request1", ReplyTo = clientNode };
            request.ApplicationProperties = new ApplicationProperties();
            request.ApplicationProperties["operation"] = "READ";
            request.ApplicationProperties["name"] = entity;
            request.ApplicationProperties["type"] = "com.microsoft:eventhub";
            sender.Send(request, null, null);

            Message response = receiver.Receive();
            if (response == null)
            {
                throw new Exception("No response was received.");
            }
            receiver.Accept(response);
            receiver.Close();
            sender.Close();
            connection.Close();
            string[] partitions = (string[])((Map)response.Body)["partition_ids"];
            return partitions;
        }

 // this function is used to receive the feed back for the message sent
 private void ReceiveFeedback(ReceivedFeedBackData callback,string filter)
 {
     string audience = Fx.Format("{0}/messages/servicebound/feedback", HOST);
     string resourceUri = Fx.Format("{0}/messages/servicebound/feedback", HOST);
     string sasToken = GetSharedAccessSignature(SHARED_ACCESS_KEY_NAME, SHARED_ACCESS_KEY, resourceUri, new TimeSpan(1, 0, 0));
     bool cbs = PutCbsToken(connection, HOST, sasToken, audience);
     if (cbs)
     {
         string entity = "/messages/servicebound/feedback";
         // Form the filter for receiving message based on the time stamp 
         Map filters = new Map();
         if (filter != null)
         {
             filters.Add(new Amqp.Types.Symbol("apache.org:selector-filter:string"),
                 new DescribedValue(new Amqp.Types.Symbol("apache.org:selector-filter:string"), filter));
         }
         ReceiverLink receiveLink = new ReceiverLink(session, "receive-link", new Source() { Address = entity, FilterSet = filters },
         null);
         Message received = receiveLink.Receive();
         if (received != null)
         {
             receiveLink.Accept(received);
             Data data = (Data)received.BodySection;
             callback(Encoding.UTF8.GetString(data.Binary));
             Debug.WriteLine(Encoding.UTF8.GetString(data.Binary));
         }
         receiveLink.Close();
     }
    
 }

        public void TestMethod_ReceiveWithFilter()
        {
            string testName = "ReceiveWithFilter";
            Connection connection = new Connection(testTarget.Address);
            Session session = new Session(connection);

            Message message = new Message("I can match a filter");
            message.Properties = new Properties() { GroupId = "abcdefg" };
            message.ApplicationProperties = new ApplicationProperties();
            message.ApplicationProperties["sn"] = 100;

            SenderLink sender = new SenderLink(session, "sender-" + testName, testTarget.Path);
            sender.Send(message, null, null);

            // update the filter descriptor and expression according to the broker
            Map filters = new Map();
            // JMS selector filter: code = 0x0000468C00000004L, symbol="apache.org:selector-filter:string"
            filters.Add(new Symbol("f1"), new DescribedValue(new Symbol("apache.org:selector-filter:string"), "sn = 100"));
            ReceiverLink receiver = new ReceiverLink(session, "receiver-" + testName, new Source() { Address = testTarget.Path, FilterSet = filters }, null);
            Message message2 = receiver.Receive();
            receiver.Accept(message2);

            sender.Close();
            receiver.Close();
            session.Close();
            connection.Close();
        }

        public void TestMethod_SendAck()
        {
            string testName = "SendAck";
            const int nMsgs = 20;
            Connection connection = new Connection(testTarget.Address);
            Session session = new Session(connection);

            SenderLink sender = new SenderLink(session, "sender-" + testName, testTarget.Path);
            ManualResetEvent done = new ManualResetEvent(false);
            OutcomeCallback callback = (m, o, s) =>
            {
                Trace.WriteLine(TraceLevel.Verbose, "send complete: sn {0} outcome {1}", m.ApplicationProperties["sn"], o.Descriptor.Name);
                if ((int)m.ApplicationProperties["sn"] == (nMsgs - 1))
                {
                    done.Set();
                }
            };

            for (int i = 0; i < nMsgs; ++i)
            {
                Message message = new Message();
                message.Properties = new Properties() { MessageId = "msg" + i, GroupId = testName };
                message.ApplicationProperties = new ApplicationProperties();
                message.ApplicationProperties["sn"] = i;
                sender.Send(message, callback, null);
            }

            done.WaitOne(10000);

            ReceiverLink receiver = new ReceiverLink(session, "receiver-" + testName, testTarget.Path);
            for (int i = 0; i < nMsgs; ++i)
            {
                Message message = receiver.Receive();
                Trace.WriteLine(TraceLevel.Verbose, "receive: {0}", message.ApplicationProperties["sn"]);
                receiver.Accept(message);
            }
            
            sender.Close();
            receiver.Close();
            session.Close();
            connection.Close();
        }

        public void TestMethod_ReceiveWaiter()
        {
            string testName = "ReceiveWaiter";
            Connection connection = new Connection(testTarget.Address);
            Session session = new Session(connection);

            ReceiverLink receiver = new ReceiverLink(session, "receiver-" + testName, testTarget.Path);
            ManualResetEvent gotMessage = new ManualResetEvent(false);
            Fx.StartThread(() =>
            {
                Message message = receiver.Receive();
                if (message != null)
                {
                    Trace.WriteLine(TraceLevel.Verbose, "receive: {0}", message.Properties.MessageId);
                    receiver.Accept(message);
                    gotMessage.Set();
                }
            });

            SenderLink sender = new SenderLink(session, "sender-" + testName, testTarget.Path);
            Message msg = new Message() { Properties = new Properties() { MessageId = "123456" } };
            sender.Send(msg, null, null);

            Assert.IsTrue(gotMessage.WaitOne(5000), "No message was received");

            sender.Close();
            receiver.Close();
            session.Close();
            connection.Close();
        }

        public void TestMethod_CloseBusyReceiver()
        {
            string testName = "CloseBusyReceiver";
            const int nMsgs = 20;
            Connection connection = new Connection(testTarget.Address);
            Session session = new Session(connection);

            SenderLink sender = new SenderLink(session, "sender-" + testName, testTarget.Path);
            for (int i = 0; i < nMsgs; ++i)
            {
                Message message = new Message();
                message.Properties = new Properties() { MessageId = "msg" + i };
                message.ApplicationProperties = new ApplicationProperties();
                message.ApplicationProperties["sn"] = i;
                sender.Send(message, null, null);
            }

            ReceiverLink receiver = new ReceiverLink(session, "receiver-" + testName, testTarget.Path);
            ManualResetEvent closed = new ManualResetEvent(false);
            receiver.Closed += (o, e) => closed.Set();
            receiver.Start(
                nMsgs,
                (r, m) =>
                {
                    if (m.Properties.MessageId == "msg0") r.Close(0);
                });
            Assert.IsTrue(closed.WaitOne(10000));

            ReceiverLink receiver2 = new ReceiverLink(session, "receiver2-" + testName, testTarget.Path);
            for (int i = 0; i < nMsgs; ++i)
            {
                Message message = receiver2.Receive();
                Trace.WriteLine(TraceLevel.Verbose, "receive: {0}", message.Properties.MessageId);
                receiver2.Accept(message);
            }

            receiver2.Close();
            sender.Close();
            session.Close();
            connection.Close();
        }

        public void TestMethod_ReleaseMessage()
        {
            string testName = "ReleaseMessage";
            const int nMsgs = 20;
            Connection connection = new Connection(testTarget.Address);
            Session session = new Session(connection);

            SenderLink sender = new SenderLink(session, "sender-" + testName, testTarget.Path);
            for (int i = 0; i < nMsgs; ++i)
            {
                Message message = new Message();
                message.Properties = new Properties() { MessageId = "msg" + i };
                message.ApplicationProperties = new ApplicationProperties();
                message.ApplicationProperties["sn"] = i;
                sender.Send(message, null, null);
            }

            ReceiverLink receiver = new ReceiverLink(session, "receiver-" + testName, testTarget.Path);
            for (int i = 0; i < nMsgs; ++i)
            {
                Message message = receiver.Receive();
                Trace.WriteLine(TraceLevel.Verbose, "receive: {0}", message.Properties.MessageId);
                if (i % 2 == 0)
                {
                    receiver.Accept(message);
                }
                else
                {
                    receiver.Release(message);
                }
            }
            receiver.Close();

            ReceiverLink receiver2 = new ReceiverLink(session, "receiver2-" + testName, testTarget.Path);
            for (int i = 0; i < nMsgs / 2; ++i)
            {
                Message message = receiver2.Receive();
                Trace.WriteLine(TraceLevel.Verbose, "receive: {0}", message.Properties.MessageId);
                receiver2.Accept(message);
            }

            receiver2.Close();
            sender.Close();
            session.Close();
            connection.Close();
        }

        public void TestMethod_ConnectionFrameSize()
        {
            string testName = "ConnectionFrameSize";
            const int nMsgs = 200;
            int frameSize = 4 * 1024;
            Connection connection = new Connection(testTarget.Address, null, new Open() { ContainerId = "c1", MaxFrameSize = (uint)frameSize }, null);
            Session session = new Session(connection);
            SenderLink sender = new SenderLink(session, "sender-" + testName, testTarget.Path);

            for (int i = 0; i < nMsgs; ++i)
            {
                Message message = new Message(new string('A', frameSize + (i - nMsgs / 2)));
                sender.Send(message, null, null);
            }

            ReceiverLink receiver = new ReceiverLink(session, "receiver-" + testName, testTarget.Path);
            for (int i = 0; i < nMsgs; ++i)
            {
                Message message = receiver.Receive();
                string value = (string)message.Body;
                Trace.WriteLine(TraceLevel.Verbose, "receive: {0}x{1}", value[0], value.Length);
                receiver.Accept(message);
            }

            sender.Close();
            receiver.Close();
            session.Close();
            connection.Close();
        }

        // This functionis used to query the Management data
        private Message QueryManagementData()
        {
            Address address = new Address(sbNamespace, PORT, keyName, keyValue);
            Connection connection = new Connection(address);

            Trace.WriteLine(Amqp.TraceLevel.Information, "Creating a session...");
            Session session = new Session(connection);

            // create a pair of links for request/response
            Trace.WriteLine(Amqp.TraceLevel.Information, "Creating a request and a response link...");
            string clientNode = "client-temp-node";
            SenderLink sender = new SenderLink(session, "mgmt-sender", "$management");
            ReceiverLink receiver = new ReceiverLink(
                session,
                "mgmt-receiver",
                new Attach()
                {
                    Source = new Source() { Address = "$management" },
                    Target = new Target() { Address = clientNode }
                },
                null);

            Message request = new Message();
            request.Properties = new Properties() { MessageId = "request1", ReplyTo = clientNode };
            request.ApplicationProperties = new ApplicationProperties();
            request.ApplicationProperties["operation"] = "READ";
            request.ApplicationProperties["name"] = entity;
            request.ApplicationProperties["type"] = "com.microsoft:eventhub";
            sender.Send(request, null, null);

            Message response = receiver.Receive();
            if (response == null)
            {
                throw new Exception("No response was received.");
            }

            receiver.Accept(response);
            receiver.Close();
            sender.Close();
            connection.Close();
            return response;
        }

        public void TestMethod_DynamicReceiverLink()
        {
            string testName = "DynamicReceiverLink";
            Connection connection = new Connection(testTarget.Address);
            Session session = new Session(connection);

            string remoteSource = null;
            ManualResetEvent attached = new ManualResetEvent(false);
            OnAttached onAttached = (link, attach) => { remoteSource = ((Source)attach.Source).Address; attached.Set(); };
            ReceiverLink receiver = new ReceiverLink(session, "receiver-" + testName, new Source() { Dynamic = true }, onAttached);

            attached.WaitOne(10000);

            Assert.IsTrue(remoteSource != null, "dynamic source not attached");

            SenderLink sender = new SenderLink(session, "sender-" + testName, remoteSource);
            Message message = new Message("hello");
            sender.Send(message, 60000);

            message = receiver.Receive();
            Assert.IsTrue(message != null, "no message was received.");
            receiver.Accept(message);

            sender.Close();
            receiver.Close();
            session.Close();
            connection.Close();
        }