C# TransportMessageToSend类代码示例

        public void Send(string destinationQueueName, TransportMessageToSend message, ITransactionContext context)
        {
            var outputQueue = cloudQueueClient.GetQueueReference(destinationQueueName);

            using (var memoryStream = new MemoryStream())
            {
                var formatter = new BinaryFormatter();
                var receivedTransportMessage = new ReceivedTransportMessage
                    {
                        Id = Guid.NewGuid().ToString(),
                        Headers = message.Headers,
                        Body = message.Body,
                        Label = message.Label,
                    };

                formatter.Serialize(memoryStream, receivedTransportMessage);
                memoryStream.Position = 0;

                var cloudQueueMessage = new CloudQueueMessage(memoryStream.ToArray());

                var timeToLive = GetTimeToLive(message);
                if (timeToLive.HasValue)
                {
                    outputQueue.AddMessage(cloudQueueMessage, timeToLive.Value);
                }
                else
                {
                    outputQueue.AddMessage(cloudQueueMessage);
                }
            }
        }

        /// <summary>
        /// Sends a copy of the specified <see cref="TransportMessageToSend"/> using the underlying implementation of <see cref="ISendMessages"/>
        /// with an encrypted message body and additional headers
        /// </summary>
        public void Send(string destinationQueueName, TransportMessageToSend message, ITransactionContext context)
        {
            var clone = new TransportMessageToSend
                            {
                                Headers = message.Headers.Clone(),
                                Label = message.Label,
                                Body = message.Body,
                            };

            if (compressionHelper != null)
            {
                var compresssionResult = compressionHelper.Compress(clone.Body);
                if (compresssionResult.Item1)
                {
                    clone.Headers[Headers.Compression] = Headers.CompressionTypes.GZip;
                }
                clone.Body = compresssionResult.Item2;
            }

            if (encryptionHelper != null)
            {
                var iv = encryptionHelper.GenerateNewIv();
                clone.Body = encryptionHelper.Encrypt(clone.Body, iv);
                clone.Headers[Headers.Encrypted] = null;
                clone.Headers[Headers.EncryptionSalt] = iv;
            }

            innerSendMessages.Send(destinationQueueName, clone, context);
        }

        private TimeSpan? GetTimeToLive(TransportMessageToSend message)
        {
            if (message.Headers != null && message.Headers.ContainsKey(Headers.TimeToBeReceived))
            {
                return TimeSpan.Parse((string)message.Headers[Headers.TimeToBeReceived]);
            }

            return null;
        }

        public void Send(string destinationQueueName, TransportMessageToSend message)
        {
            var transportMessageToSend = new TransportMessageToSend
                                             {
                                                 Headers = message.Headers,
                                                 Label = message.Label,
                                                 Body = Encrypt(message.Body),
                                             };

            innerSendMessages.Send(destinationQueueName, transportMessageToSend);
        }

        public void AddsHeaderToEncryptedMessage()
        {
            // arrange
            var transportMessageToSend = new TransportMessageToSend { Body = new byte[] { 123, 125 } };

            // act
            transport.Send("somewhere", transportMessageToSend, new NoTransaction());

            // assert
            sender.SentMessage.Headers.ShouldContainKey(Headers.Encrypted);
        }

        public void Send(string destinationQueueName, TransportMessageToSend message, ITransactionContext context)
        {
            var iv = helper.GenerateNewIv();

            var transportMessageToSend = new TransportMessageToSend
                                             {
                                                 Headers = message.Headers.Clone(),
                                                 Label = message.Label,
                                                 Body = helper.Encrypt(message.Body, iv),
                                             };

            transportMessageToSend.Headers[Headers.Encrypted] = null;
            transportMessageToSend.Headers[Headers.EncryptionSalt] = iv;

            innerSendMessages.Send(destinationQueueName, transportMessageToSend, context);
        }

        public void CheckSendPerformance(int count)
        {
            var queue = new MsmqMessageQueue("test.msmq.performance", "error").PurgeInputQueue();
            var transportMessageToSend = new TransportMessageToSend
                                             {
                                                 Headers = new Dictionary<string, string>(),
                                                 Body = new byte[1024],
                                                 Label = "this is just a label"
                                             };

            var stopwatch = Stopwatch.StartNew();
            count.Times(() => queue.Send("test.msmq.performance", transportMessageToSend));
            var totalSeconds = stopwatch.Elapsed.TotalSeconds;

            Console.WriteLine("Sending {0} messages took {1:0} s - that's {2:0} msg/s",
                              count, totalSeconds, count/totalSeconds);
        }

        /// <summary>
        /// Sends the specified message to the logical queue specified by <seealso cref="destinationQueueName"/> by writing
        /// a JSON serialied text to a file in the corresponding directory. The actual write operation is delayed until
        /// the commit phase of the queue transaction unless we're non-transactional, in which case it is written immediately.
        /// </summary>
        public void Send(string destinationQueueName, TransportMessageToSend message, ITransactionContext context)
        {
            EnsureQueueInitialized(destinationQueueName);

            var destinationDirectory = GetDirectoryForQueueNamed(destinationQueueName);

            var serializedMessage = Serialize(message);
            var fileName = GetNextFileName();
            var fullPath = Path.Combine(destinationDirectory, fileName);

            Action commitAction = () => File.WriteAllText(fullPath, serializedMessage, FavoriteEncoding);

            if (context.IsTransactional)
            {
                context.DoCommit += commitAction;
            }
            else
            {
                commitAction();
            }
        }

        public void CanEncryptStuff()
        {
            // arrange
            var transportMessageToSend = new TransportMessageToSend
                                             {
                                                 Headers = new Dictionary<string, object> { { "test", "blah!" } },
                                                 Label = "label",
                                                 Body = Encoding.UTF7.GetBytes("Hello world!"),
                                             };

            // act
            transport.Send("test", transportMessageToSend, new NoTransaction());

            // assert
            var sentMessage = sender.SentMessage;
            sentMessage.Headers.Count.ShouldBe(3);
            sentMessage.Headers["test"].ShouldBe("blah!");
            sentMessage.Label.ShouldBe("label");
            sentMessage.Body.ShouldNotBe(Encoding.UTF7.GetBytes("Hello world!"));

            sentMessage.Headers.ShouldContainKey(Headers.Encrypted);
            sentMessage.Headers.ShouldContainKey(Headers.EncryptionSalt);

            Console.WriteLine("iv: " + sentMessage.Headers[Headers.EncryptionSalt]);
            Console.WriteLine(string.Join(", ", sentMessage.Body.Select(b => b.ToString())));
        }

 public void Send(string destinationQueueName, TransportMessageToSend message, ITransactionContext context)
 {
     SentMessage = message;
 }

        public void ItsSymmetric()
        {
            var toSend = new TransportMessageToSend
                             {
                                 Label = Guid.NewGuid().ToString(),
                                 Headers = new Dictionary<string, object>
                                               {
                                                   {Guid.NewGuid().ToString(), Guid.NewGuid().ToString()}
                                               },
                                 Body = Guid.NewGuid().ToByteArray(),
                             };

            transport.Send("test", toSend, new NoTransaction());

            var sentMessage = sender.SentMessage;
            var receivedTransportMessage = new ReceivedTransportMessage
                                               {
                                                   Id = Guid.NewGuid().ToString(),
                                                   Label = sentMessage.Label,
                                                   Headers = sentMessage.Headers,
                                                   Body = sentMessage.Body
                                               };

            receiver.SetUpReceive(receivedTransportMessage);

            var receivedMessage = transport.ReceiveMessage(new NoTransaction());

            receivedMessage.Label.ShouldBe(toSend.Label);
            var expectedHeaders = toSend.Headers.Clone();
            receivedMessage.Headers.ShouldBe(expectedHeaders);
            receivedMessage.Body.ShouldBe(toSend.Body);
        }

        /// <summary>
        /// Sends the specified <see cref="TransportMessageToSend"/> to the logical queue specified by <paramref name="destinationQueueName"/>.
        /// What actually happens, is that a row is inserted into the messages table, setting the 'recipient' column to the specified
        /// queue.
        /// </summary>
        public void Send(string destinationQueueName, TransportMessageToSend message, ITransactionContext context)
        {
            var connection = GetConnectionPossiblyFromContext(context);

            try
            {
                using (var command = connection.CreateCommand())
                {
                    command.CommandText = string.Format(@"insert into [{0}]
                                                            ([recipient], [headers], [label], [body], [priority])
                                                            values (@recipient, @headers, @label, @body, @priority)",
                                                        messageTableName);

                    var label = message.Label ?? "(no label)";
                    log.Debug("Sending message with label {0} to {1}", label, destinationQueueName);

                    var priority = GetMessagePriority(message);

                    command.Parameters.Add("recipient", SqlDbType.NVarChar, 200).Value = destinationQueueName;
                    command.Parameters.Add("headers", SqlDbType.NVarChar, Max).Value = DictionarySerializer.Serialize(message.Headers);
                    command.Parameters.Add("label", SqlDbType.NVarChar, Max).Value = label;
                    command.Parameters.Add("body", SqlDbType.VarBinary, Max).Value = message.Body;
                    command.Parameters.Add("priority", SqlDbType.TinyInt, 1).Value = priority;

                    command.ExecuteNonQuery();
                }

                if (!context.IsTransactional)
                {
                    commitAction(connection);
                }
            }
            finally
            {
                if (!context.IsTransactional)
                {
                    releaseConnection(connection);
                }
            }
        }

        public void Send(string destinationQueueName, TransportMessageToSend message, ITransactionContext context)
        {
            try
            {
                if (!context.IsTransactional)
                {
                    using (var model = GetConnection().CreateModel())
                    {
                        var headers = GetHeaders(model, message);
                        model.BasicPublish(ExchangeName, destinationQueueName,
                                           headers,
                                           message.Body);
                    }
                }
                else
                {
                    var model = GetSenderModel(context);

                    model.BasicPublish(ExchangeName, destinationQueueName,
                                       GetHeaders(model, message),
                                       message.Body);
                }
            }
            catch (Exception e)
            {
                ErrorOnConnection(e);
                throw;
            }
        }

        public void Send(string destinationQueueName, TransportMessageToSend message, ITransactionContext context)
        {
            if (!context.IsTransactional)
            {
                var envelopeToSendImmediately = CreateEnvelope(message);

                var backoffTimes = new[] { 1, 2, 5, 10, 10, 10, 10, 10, 20, 20, 20, 30, 30, 30, 30 }
                    .Select(seconds => TimeSpan.FromSeconds(seconds))
                    .ToArray();

                new Retrier(backoffTimes)
                    .RetryOn<ServerBusyException>()
                    .RetryOn<MessagingCommunicationException>()
                    .RetryOn<TimeoutException>()
                    .TolerateInnerExceptionsAsWell()
                    .Do(() =>
                        {
                            using (var messageToSendImmediately = CreateBrokeredMessage(envelopeToSendImmediately))
                            {
                                GetClientFor(destinationQueueName).Send(messageToSendImmediately);
                            }
                        });

                return;
            }

            // if the batch is null, we're doing tx send outside of a message handler - this means
            // that we must initialize the collection of messages to be sent
            if (context[AzureServiceBusMessageBatch] == null)
            {
                context[AzureServiceBusMessageBatch] = new List<Tuple<string, Envelope>>();
                context.DoCommit += () => DoCommit(context);
            }

            var envelope = CreateEnvelope(message);

            var messagesToSend = (List<Tuple<string, Envelope>>)context[AzureServiceBusMessageBatch];

            messagesToSend.Add(Tuple.Create(destinationQueueName, envelope));
        }

        IBasicProperties GetHeaders(IModel model, TransportMessageToSend message)
        {
            var props = model.CreateBasicProperties();

            if (message.Headers != null)
            {
                props.Headers = message.Headers.ToDictionary(e => e.Key,
                                                             e => Encoding.GetBytes(e.Value));

                if (message.Headers.ContainsKey(Headers.ReturnAddress))
                {
                    props.ReplyTo = message.Headers[Headers.ReturnAddress];
                }
            }

            props.MessageId = Guid.NewGuid().ToString();
            return props;
        }