C# SenderLink.SendAsync方法代码示例

        public async Task CustomMessgeBody()
        {
            string testName = "CustomMessgeBody";

            Connection connection = await Connection.Factory.CreateAsync(this.address);
            Session session = new Session(connection);
            SenderLink sender = new SenderLink(session, "sender-" + testName, "q1");

            Student student = new Student("Tom");
            student.Age = 16;
            student.Address = new StreetAddress() { FullAddress = "100 Main St. Small Town" };
            student.DateOfBirth = new System.DateTime(1988, 5, 1, 1, 2, 3, 100, System.DateTimeKind.Utc);

            Message message = new Message(student);
            message.Properties = new Properties() { MessageId = "student" };
            await sender.SendAsync(message);

            ReceiverLink receiver = new ReceiverLink(session, "receiver-" + testName, "q1");
            Message message2 = await receiver.ReceiveAsync();
            Trace.WriteLine(TraceLevel.Information, "receive: {0}", message2.Properties);
            receiver.Accept(message);

            await sender.CloseAsync();
            await receiver.CloseAsync();
            await session.CloseAsync();
            await connection.CloseAsync();

            Student student2 = message2.GetBody<Student>();
            Assert.AreEqual(student.Age, student2.Age - 1); // incremented in OnDeserialized
            Assert.AreEqual(student.DateOfBirth, student2.DateOfBirth);
            Assert.AreEqual(student.Address.FullAddress, student2.Address.FullAddress);
        }

        public void CloseConnectionWithDetachTest()
        {
            this.testListener.RegisterTarget(TestPoint.Close, (stream, channel, fields) =>
            {
                // send a detach
                TestListener.FRM(stream, 0x16UL, 0, channel, 0u, true);
                return TestOutcome.Continue;
            });

            string testName = "CloseConnectionWithDetachTest";

            Trace.WriteLine(TraceLevel.Information, "sync test");
            {
                Connection connection = new Connection(this.address);
                Session session = new Session(connection);
                SenderLink sender = new SenderLink(session, "sender-" + testName, "any");
                sender.Send(new Message("test") { Properties = new Properties() { MessageId = testName } });
                connection.Close();
                Assert.IsTrue(connection.Error == null, "connection has error!" + connection.Error);
            }

            Trace.WriteLine(TraceLevel.Information, "async test");
            Task.Factory.StartNew(async () =>
            {
                Connection connection = await Connection.Factory.CreateAsync(this.address);
                Session session = new Session(connection);
                SenderLink sender = new SenderLink(session, "sender-" + testName, "any");
                await sender.SendAsync(new Message("test") { Properties = new Properties() { MessageId = testName } });
                await connection.CloseAsync();
                Assert.IsTrue(connection.Error == null, "connection has error!" + connection.Error);

            }).Unwrap().GetAwaiter().GetResult();
        }

        public async Task WebSocketSendReceiveAsync()
        {
            string testName = "WebSocketSendReceiveAsync";

            // assuming it matches the broker's setup and port is not taken
            Address wsAddress = new Address("ws://guest:[email protected]:18080");
            int nMsgs = 50;

            Connection connection = await Connection.Factory.CreateAsync(wsAddress);
            Session session = new Session(connection);
            SenderLink sender = new SenderLink(session, "sender-" + testName, "q1");

            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;
                await sender.SendAsync(message);
            }

            ReceiverLink receiver = new ReceiverLink(session, "receiver-" + testName, "q1");
            for (int i = 0; i < nMsgs; ++i)
            {
                Message message = await receiver.ReceiveAsync();
                Trace.WriteLine(TraceLevel.Information, "receive: {0}", message.ApplicationProperties["sn"]);
                receiver.Accept(message);
            }

            await sender.CloseAsync();
            await receiver.CloseAsync();
            await session.CloseAsync();
            await connection.CloseAsync();
        }

        async Task RunSampleAsync()
        {
            ConnectionFactory factory = new ConnectionFactory();
            factory.SASL.Profile = SaslProfile.External;

            Trace.WriteLine(TraceLevel.Information, "Establishing a connection...");
            Address address = new Address(this.Namespace, 5671, null, null, "/", "amqps");
            var connection = await factory.CreateAsync(address);

            // before any operation can be performed, a token must be put to the $cbs node
            Trace.WriteLine(TraceLevel.Information, "Putting a token to the $cbs node...");
            await PutTokenAsync(connection);

            Trace.WriteLine(TraceLevel.Information, "Sending a message...");
            var session = new Session(connection);
            var sender = new SenderLink(session, "ServiceBus.Cbs:sender-link", this.Entity);
            await sender.SendAsync(new Message("test"));
            await sender.CloseAsync();

            Trace.WriteLine(TraceLevel.Information, "Receiving the message back...");
            var receiver = new ReceiverLink(session, "ServiceBus.Cbs:receiver-link", this.Entity);
            var message = await receiver.ReceiveAsync();
            receiver.Accept(message);
            await receiver.CloseAsync();

            Trace.WriteLine(TraceLevel.Information, "Closing the connection...");
            await session.CloseAsync();
            await connection.CloseAsync();
        }

		public async Task SendMessageToDevice(string messageToDevice)
		{
			var sender = new SenderLink(session, "sender-link", "/messages/devicebound");

			var message = new Message(System.Text.Encoding.UTF8.GetBytes(messageToDevice));
			message.Properties = new Properties();
			message.Properties.To = $"/devices/{Constants.DeviceId}/messages/devicebound";
			message.Properties.MessageId = Guid.NewGuid().ToString();
			message.ApplicationProperties = new ApplicationProperties();
			message.ApplicationProperties["iothub-ack"] = "full";

			await sender.SendAsync(message);
			await sender.CloseAsync();
		}

    static async Task<int> SslConnectionTestAsync(string brokerUrl, string address, string certfile)
    {
      try
      {
        ConnectionFactory factory = new ConnectionFactory();
        factory.TCP.NoDelay = true;
        factory.TCP.SendBufferSize = 16 * 1024;
        factory.TCP.SendTimeout = 30000;
        factory.TCP.ReceiveBufferSize = 16 * 1024;
        factory.TCP.ReceiveTimeout = 30000;
          
        factory.SSL.RemoteCertificateValidationCallback = (a, b, c, d) => true;
        factory.SSL.ClientCertificates.Add(X509Certificate.CreateFromCertFile(certfile));
        factory.SSL.CheckCertificateRevocation = false;
          
        factory.AMQP.MaxFrameSize = 64 * 1024;
        factory.AMQP.HostName = "host.example.com";
        factory.AMQP.ContainerId = "amq.topic";
           
        Address sslAddress = new Address(brokerUrl);
        Connection connection = await factory.CreateAsync(sslAddress);

        Session session = new Session(connection);
        SenderLink sender = new SenderLink(session, "sender1", address);
        ReceiverLink receiver = new ReceiverLink(session, "helloworld-receiver", address);
           
        Message helloOut = new Message("Hello - using client cert");
        await sender.SendAsync(helloOut);

        Message helloIn = await receiver.ReceiveAsync();
        receiver.Accept(helloIn);

        await connection.CloseAsync();

        Console.WriteLine("{0}", helloIn.Body.ToString());

        Console.WriteLine("Press enter key to exit...");
        Console.ReadLine();
        return 0;
      }
      catch (Exception e)
      {
        Console.WriteLine("Exception {0}.", e);
        return 1;
      }
    }

        async Task SendReceiveAsync(int count)
        {
            Trace.WriteLine(TraceLevel.Information, "Establishing a connection...");
            Connection connection = await Connection.Factory.CreateAsync(this.GetAddress());

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

            Trace.WriteLine(TraceLevel.Information, "Creating a sender link...");
            SenderLink sender = new SenderLink(session, "sessionful-sender-link", this.Entity);

            Trace.WriteLine(TraceLevel.Information, "Sending {0} messages...", count);
            for (int i = 0; i < count; i++)
            {
                Message message = new Message();
                message.Properties = new Properties() { MessageId = "topic-test-" + i };
                message.BodySection = new Data() { Binary = Encoding.UTF8.GetBytes("message #" + i) };
                await sender.SendAsync(message);
            }

            Trace.WriteLine(TraceLevel.Information, "Closing sender...");
            await sender.CloseAsync();

            Trace.WriteLine(TraceLevel.Information, "Receiving messages from subscription...");
            ReceiverLink receiver = new ReceiverLink(session, "receiver-link", this.Entity + "/Subscriptions/sub1");
            for (int i = 0; i < count; i++)
            {
                Message message = await receiver.ReceiveAsync(30000);
                if (message == null)
                {
                    break;
                }

                receiver.Accept(message);
            }

            Trace.WriteLine(TraceLevel.Information, "Closing receiver...");
            await receiver.CloseAsync();

            Trace.WriteLine(TraceLevel.Information, "Shutting down...");
            await session.CloseAsync();
            await connection.CloseAsync();
        }

		async static Task<bool> PutCbsToken(Connection connection, string host, string shareAccessSignature, string audience)
		{
			bool result = true;
			Session session = new Session(connection);

			string cbsReplyToAddress = "cbs-reply-to";
			var cbsSender = new SenderLink(session, "cbs-sender", "$cbs");
			var cbsReceiver = new ReceiverLink(session, cbsReplyToAddress, "$cbs");

			// construct the put-token message
			var request = new Message(shareAccessSignature);
			request.Properties = new Properties();
			request.Properties.MessageId = Guid.NewGuid().ToString();
			request.Properties.ReplyTo = cbsReplyToAddress;
			request.ApplicationProperties = new ApplicationProperties();
			request.ApplicationProperties["operation"] = "put-token";
			request.ApplicationProperties["type"] = "azure-devices.net:sastoken";
			request.ApplicationProperties["name"] = audience;
			await cbsSender.SendAsync(request);

			// receive the response
			var response = await cbsReceiver.ReceiveAsync();
			if (response == null || response.Properties == null || response.ApplicationProperties == null)
			{
				result = false;
			}
			else {
				int statusCode = (int)response.ApplicationProperties["status-code"];
				string statusCodeDescription = (string)response.ApplicationProperties["status-description"];
				if (statusCode != (int)202 && statusCode != (int)200) // !Accepted && !OK
				{
					result = false;
				}
			}

			// the sender/receiver may be kept open for refreshing tokens
			await cbsSender.CloseAsync();
			await cbsReceiver.CloseAsync();
			await session.CloseAsync();

			return result;
		}

        static async Task Run()
        {
            string address = "amqp://guest:[email protected]:5672";

            Connection connection = await Connection.Factory.CreateAsync(new Address(address));
            Session session = new Session(connection);
            SenderLink sender = new SenderLink(session, "test-sender", "q1");

            Message message1 = new Message("Hello AMQP!");
            await sender.SendAsync(message1);

            ReceiverLink receiver = new ReceiverLink(session, "test-receiver", "q1");
            Message message2 = await receiver.ReceiveAsync();
            Console.WriteLine(message2.GetBody<string>());
            receiver.Accept(message2);

            await sender.CloseAsync();
            await receiver.CloseAsync();
            await session.CloseAsync();
            await connection.CloseAsync();
        }

        public async Task WebSocketSslMutalAuthTest()
        {
            string testName = "WebSocketSslMutalAuthTest";
            string listenAddress = "wss://localhost:18081/" + testName + "/";
            Uri uri = new Uri(listenAddress);

            X509Certificate2 cert = ContainerHostTests.GetCertificate(StoreLocation.LocalMachine, StoreName.My, "localhost");

            string output;
            int code = Exec("netsh.exe", string.Format("http show sslcert hostnameport={0}:{1}", uri.Host, uri.Port), out output);
            if (code != 0)
            {
                string args = string.Format("http add sslcert hostnameport={0}:{1} certhash={2} certstorename=MY appid={{{3}}} clientcertnegotiation=enable",
                    uri.Host, uri.Port, cert.Thumbprint, Guid.NewGuid());
                code = Exec("netsh.exe", args, out output);
                Assert.AreEqual(0, code, "failed to add ssl cert: " + output);
            }

            X509Certificate serviceCert = null;
            X509Certificate clientCert = null;
            ListenerLink listenerLink = null;

            var linkProcessor = new TestLinkProcessor() { OnLinkAttached = c => listenerLink = c };
            var host = new ContainerHost(new List<Uri>() { uri }, null, uri.UserInfo);
            host.Listeners[0].SASL.EnableExternalMechanism = true;
            host.Listeners[0].SSL.ClientCertificateRequired = true;
            host.Listeners[0].SSL.CheckCertificateRevocation = true;
            host.Listeners[0].SSL.RemoteCertificateValidationCallback = (a, b, c, d) => { clientCert = b; return true; };
            host.RegisterLinkProcessor(linkProcessor);
            host.Open();

            try
            {
                ServicePointManager.ServerCertificateValidationCallback = (a, b, c, d) => { serviceCert = b; return true; };
                var wssFactory = new WebSocketTransportFactory();
                wssFactory.Options = o =>
                {
                    o.ClientCertificates.Add(ContainerHostTests.GetCertificate(StoreLocation.LocalMachine, StoreName.My, uri.Host));
                };

                ConnectionFactory connectionFactory = new ConnectionFactory(new TransportProvider[] { wssFactory });
                connectionFactory.SASL.Profile = SaslProfile.External;
                Connection connection = await connectionFactory.CreateAsync(new Address(listenAddress));
                Session session = new Session(connection);
                SenderLink sender = new SenderLink(session, "sender-" + testName, "q1");
                await sender.SendAsync(new Message("test") { Properties = new Properties() { MessageId = testName } });                
                await connection.CloseAsync();

                Assert.IsTrue(serviceCert != null, "service cert not received");
                Assert.IsTrue(clientCert != null, "client cert not received");
                Assert.IsTrue(listenerLink != null, "link not attached");

                IPrincipal principal = ((ListenerConnection)listenerLink.Session.Connection).Principal;
                Assert.IsTrue(principal != null, "connection pricipal is null");
                Assert.IsTrue(principal.Identity is X509Identity, "identify should be established by client cert");
            }
            finally
            {
                host.Close();
            }
        }

        public async Task WebSocketSendReceiveAsync()
        {
            if (Environment.GetEnvironmentVariable("CoreBroker") == "1")
            {
                // No Websocket listener on .Net Core
                return;
            }

            string testName = "WebSocketSendReceiveAsync";

            // assuming it matches the broker's setup and port is not taken
            Address wsAddress = new Address(address);
            int nMsgs = 50;

            ConnectionFactory connectionFactory = new ConnectionFactory(
                new TransportProvider[] { new WebSocketTransportFactory() });
            Connection connection = await connectionFactory.CreateAsync(wsAddress);
            Session session = new Session(connection);
            SenderLink sender = new SenderLink(session, "sender-" + testName, "q1");

            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;
                await sender.SendAsync(message);
            }

            ReceiverLink receiver = new ReceiverLink(session, "receiver-" + testName, "q1");
            for (int i = 0; i < nMsgs; ++i)
            {
                Message message = await receiver.ReceiveAsync();
                Trace.WriteLine(TraceLevel.Information, "receive: {0}", message.ApplicationProperties["sn"]);
                receiver.Accept(message);
            }

            await sender.CloseAsync();
            await receiver.CloseAsync();
            await session.CloseAsync();
            await connection.CloseAsync();
        }

        public async Task CustomTransportConfiguration()
        {
            string testName = "CustomTransportConfiguration";

            ConnectionFactory factory = new ConnectionFactory();
            factory.TCP.NoDelay = true;
            factory.TCP.SendBufferSize = 16 * 1024;
            factory.TCP.SendTimeout = 30000;
            factory.SSL.RemoteCertificateValidationCallback = (a, b, c, d) => true;
            factory.AMQP.MaxFrameSize = 64 * 1024;
            factory.AMQP.HostName = "contoso.com";
            factory.AMQP.ContainerId = "container:" + testName;

            Address sslAddress = new Address("amqps://guest:[email protected]:5671");
            Connection connection = await factory.CreateAsync(sslAddress);
            Session session = new Session(connection);
            SenderLink sender = new SenderLink(session, "sender-" + testName, testTarget.Path);

            Message message = new Message("custom transport config");
            message.Properties = new Properties() { MessageId = testName };
            await sender.SendAsync(message);

            ReceiverLink receiver = new ReceiverLink(session, "receiver-" + testName, testTarget.Path);
            Message message2 = await receiver.ReceiveAsync();
            Assert.IsTrue(message2 != null, "no message received");
            receiver.Accept(message2);

            await connection.CloseAsync();
        }

        public async Task LargeMessageSendReceiveAsync()
        {
            string testName = "LargeMessageSendReceiveAsync";
            int nMsgs = 50;

            Connection connection = await Connection.Factory.CreateAsync(
                this.testTarget.Address, new Open() { ContainerId = "c1", MaxFrameSize = 4096 }, null);
            Session session = new Session(connection);
            SenderLink sender = new SenderLink(session, "sender-" + testName, testTarget.Path);

            int messageSize = 100 * 1024;
            for (int i = 0; i < nMsgs; ++i)
            {
                Message message = new Message(new string('D', messageSize));
                message.Properties = new Properties() { MessageId = "msg" + i, GroupId = testName };
                message.ApplicationProperties = new ApplicationProperties();
                message.ApplicationProperties["sn"] = i;
                await sender.SendAsync(message);
            }

            ReceiverLink receiver = new ReceiverLink(session, "receiver-" + testName, testTarget.Path);
            for (int i = 0; i < nMsgs; ++i)
            {
                Message message = await receiver.ReceiveAsync();
                string value = message.GetBody<string>();
                Trace.WriteLine(TraceLevel.Information, "receive: {0} body {1}x{2}",
                    message.ApplicationProperties["sn"], value[0], value.Length);
                receiver.Accept(message);
            }

            await sender.CloseAsync();
            await receiver.CloseAsync();
            await session.CloseAsync();
            await connection.CloseAsync();
        }

        public void SendWithInvalidRemoteChannelTest()
        {
            this.testListener.RegisterTarget(TestPoint.Transfer, (stream, channel, fields) =>
            {
                // send an end with invalid channel
                TestListener.FRM(stream, 0x17UL, 0, 33);
                return TestOutcome.Stop;
            });

            string testName = "SendWithProtocolErrorTest";

            Trace.WriteLine(TraceLevel.Information, "sync test");
            {
                Connection connection = new Connection(this.address);
                Session session = new Session(connection);
                SenderLink sender = new SenderLink(session, "sender-" + testName, "any");
                try
                {
                    sender.Send(new Message("test") { Properties = new Properties() { MessageId = testName } });
                    Assert.IsTrue(false, "Send should throw exception");
                }
                catch (AmqpException exception)
                {
                    Assert.AreEqual(ErrorCode.NotFound, (string)exception.Error.Condition);
                }
                connection.Close();
                Assert.AreEqual(ErrorCode.NotFound, (string)connection.Error.Condition);
            }

            Trace.WriteLine(TraceLevel.Information, "async test");
            Task.Factory.StartNew(async () =>
            {
                Connection connection = await Connection.Factory.CreateAsync(this.address);
                Session session = new Session(connection);
                SenderLink sender = new SenderLink(session, "sender-" + testName, "any");
                try
                {
                    await sender.SendAsync(new Message("test") { Properties = new Properties() { MessageId = testName } });
                    Assert.IsTrue(false, "Send should throw exception");
                }
                catch (AmqpException exception)
                {
                    Assert.AreEqual(ErrorCode.NotFound, (string)exception.Error.Condition);
                }
                await connection.CloseAsync();
                Assert.AreEqual(ErrorCode.NotFound, (string)connection.Error.Condition);
            }).Unwrap().GetAwaiter().GetResult();
        }

        async Task PutTokenAsync(Connection connection)
        {
            var session = new Session(connection);

            string cbsClientAddress = "cbs-client-reply-to";
            var cbsSender = new SenderLink(session, "cbs-sender", "$cbs");
            var receiverAttach = new Attach()
            {
                Source = new Source() { Address = "$cbs" },
                Target = new Target() { Address = cbsClientAddress }
            };
            var cbsReceiver = new ReceiverLink(session, "cbs-receiver", receiverAttach, null);
            var sasToken = GetSASToken(this.KeyName, this.KeyValue, string.Format("http://{0}/{1}", this.Namespace, this.Entity), TimeSpan.FromMinutes(20));
            Trace.WriteLine(TraceLevel.Information, " sas token: {0}", sasToken);

            // construct the put-token message
            var request = new Message(sasToken);
            request.Properties = new Properties();
            request.Properties.MessageId = "1";
            request.Properties.ReplyTo = cbsClientAddress;
            request.ApplicationProperties = new ApplicationProperties();
            request.ApplicationProperties["operation"] = "put-token";
            request.ApplicationProperties["type"] = "servicebus.windows.net:sastoken";
            request.ApplicationProperties["name"] = string.Format("amqp://{0}/{1}", this.Namespace, this.Entity);
            await cbsSender.SendAsync(request);
            Trace.WriteLine(TraceLevel.Information, " request: {0}", request.Properties);
            Trace.WriteLine(TraceLevel.Information, " request: {0}", request.ApplicationProperties);

            // receive the response
            var response = await cbsReceiver.ReceiveAsync();
            if (response == null || response.Properties == null || response.ApplicationProperties == null)
            {
                throw new Exception("invalid response received");
            }

            // validate message properties and status code.
            Trace.WriteLine(TraceLevel.Information, " response: {0}", response.Properties);
            Trace.WriteLine(TraceLevel.Information, " response: {0}", response.ApplicationProperties);
            int statusCode = (int)response.ApplicationProperties["status-code"];
            if (statusCode != (int)HttpStatusCode.Accepted && statusCode != (int)HttpStatusCode.OK)
            {
                throw new Exception("put-token message was not accepted. Error code: " + statusCode);
            }

            // the sender/receiver may be kept open for refreshing tokens
            await cbsSender.CloseAsync();
            await cbsReceiver.CloseAsync();
            await session.CloseAsync();
        }