public Task FuturePublishAsync <T>(DateTime futurePublishDate, string cancellationKey, T message) where T : class
{
Preconditions.CheckNotNull(message, "message");
var messageType = typeof(ScheduleMe);
return(publishExchangeDeclareStrategy.DeclareExchangeAsync(advancedBus, messageType, ExchangeType.Topic).Then(exchange =>
{
var typeName = typeNameSerializer.Serialize(typeof(T));
var messageBody = serializer.MessageToBytes(message);
var scheduleMe = new ScheduleMe
{
WakeTime = futurePublishDate,
BindingKey = typeName,
CancellationKey = cancellationKey,
InnerMessage = messageBody
};
var easyNetQMessage = new Message <ScheduleMe>(scheduleMe)
{
Properties =
{
DeliveryMode = messageDeliveryModeStrategy.GetDeliveryMode(messageType)
}
};
return advancedBus.PublishAsync(exchange, conventions.TopicNamingConvention(messageType), false, false, easyNetQMessage);
}));
}
public async Task <Message> SendAsync(string route, Message message, CancellationToken cancellationToken = default)
{
var cts = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken);
cts.CancelAfter(DefaultTimeout);
var correlationId = Guid.NewGuid();
var tcs = new TaskCompletionSource <Message>(TaskCreationOptions.RunContinuationsAsynchronously);
RegisterReplyHandler(correlationId, tcs);
using (cts.Token.Register(() => RemoveReplyHandler(correlationId)))
using (cts.Token.Register(() => tcs.SetCanceled()))
{
var exchange = await DeclareRpcExchangeAsync(cts.Token);
var replyAddress = await SubscribeToReplyAsync(cts.Token);
var properties = new MessageProperties
{
CorrelationId = correlationId.ToString(),
ReplyTo = replyAddress,
Headers = message.Headers.ToDictionary(x => x.Key, x => (object)x.Value)
};
await _bus.PublishAsync(exchange, route, true, properties, message.Body);
return(await tcs.Task);
}
}
public async Task FuturePublishAsync <T>(DateTime futurePublishDate, T message, string cancellationKey = null) where T : class
{
Preconditions.CheckNotNull(message, "message");
var scheduleMeType = typeof(ScheduleMe);
var scheduleMeExchange = await publishExchangeDeclareStrategy.DeclareExchangeAsync(advancedBus, scheduleMeType, ExchangeType.Topic).ConfigureAwait(false);
var baseMessageType = typeof(T);
var concreteMessageType = message.GetType();
var serializedMessage = messageSerializationStrategy.SerializeMessage(new Message <T>(message)
{
Properties =
{
DeliveryMode = messageDeliveryModeStrategy.GetDeliveryMode(concreteMessageType)
}
});
var scheduleMe = new ScheduleMe
{
WakeTime = futurePublishDate,
CancellationKey = cancellationKey,
InnerMessage = serializedMessage.Body,
MessageProperties = serializedMessage.Properties,
BindingKey = typeNameSerializer.Serialize(typeof(T)),
ExchangeType = ExchangeType.Topic,
Exchange = conventions.ExchangeNamingConvention(baseMessageType),
RoutingKey = "#"
};
var easyNetQMessage = new Message <ScheduleMe>(scheduleMe)
{
Properties =
{
DeliveryMode = messageDeliveryModeStrategy.GetDeliveryMode(scheduleMeType)
}
};
await advancedBus.PublishAsync(scheduleMeExchange, conventions.TopicNamingConvention(scheduleMeType), false, easyNetQMessage).ConfigureAwait(false);
}
public async Task Publish <T>(string exchange, string routingKey, Envelope <T> message)
{
await _messageBus.PublishAsync(new Exchange(exchange), routingKey, true, new Message <Envelope <T> >(message, new EasyNetQ.MessageProperties
{
ContentType = "application/json",
CorrelationId = message.CorrelationId,
MessageId = message.MessageId,
}));
}
public async Task PublishJobMessage(JobMessage message)
{
var queueExhange = nameof(JobMessage);
var queue2 = _bus.QueueDeclare(queueExhange);
var exchange = _bus.ExchangeDeclare(queueExhange, ExchangeType.Topic);
_bus.Bind(exchange, queue2, "A.*");
var topic = $"ProjectId.CabinId";
var yourMessage = new Message <string>(JsonConvert.SerializeObject(message));
await _bus.PublishAsync(exchange, "A.*", true, yourMessage);
}
/// <inheritdoc />
public virtual async Task PublishAsync <T>(T message, Action <IPublishConfiguration> configure, CancellationToken cancellationToken)
{
Preconditions.CheckNotNull(message, "message");
Preconditions.CheckNotNull(configure, "configure");
using var cts = cancellationToken.WithTimeout(configuration.Timeout);
var publishConfiguration = new PublishConfiguration(conventions.TopicNamingConvention(typeof(T)));
configure(publishConfiguration);
var messageType = typeof(T);
var advancedMessageProperties = new MessageProperties();
if (publishConfiguration.Priority != null)
{
advancedMessageProperties.Priority = publishConfiguration.Priority.Value;
}
if (publishConfiguration.Expires != null)
{
advancedMessageProperties.Expiration = publishConfiguration.Expires.ToString();
}
advancedMessageProperties.DeliveryMode = messageDeliveryModeStrategy.GetDeliveryMode(messageType);
var advancedMessage = new Message <T>(message, advancedMessageProperties);
var exchange = await exchangeDeclareStrategy.DeclareExchangeAsync(
messageType, ExchangeType.Topic, cts.Token
).ConfigureAwait(false);
await advancedBus.PublishAsync(
exchange, publishConfiguration.Topic, false, advancedMessage, cts.Token
).ConfigureAwait(false);
}
private async Task FuturePublishInternalAsync <T>(TimeSpan messageDelay, T message, string cancellationKey) where T : class
{
Preconditions.CheckNotNull(message, "message");
Preconditions.CheckLess(messageDelay, MaxMessageDelay, "messageDelay");
Preconditions.CheckNull(cancellationKey, "cancellationKey");
var delay = Round(messageDelay);
var delayString = delay.ToString(@"dd\_hh\_mm\_ss");
var exchangeName = conventions.ExchangeNamingConvention(typeof(T));
var futureExchangeName = exchangeName + "_" + delayString;
var futureQueueName = conventions.QueueNamingConvention(typeof(T), delayString);
var futureExchange = await advancedBus.ExchangeDeclareAsync(futureExchangeName, ExchangeType.Topic).ConfigureAwait(false);
var futureQueue = await advancedBus.QueueDeclareAsync(futureQueueName, perQueueMessageTtl : (int)delay.TotalMilliseconds, deadLetterExchange : exchangeName).ConfigureAwait(false);
await advancedBus.BindAsync(futureExchange, futureQueue, "#").ConfigureAwait(false);
var easyNetQMessage = new Message <T>(message)
{
Properties =
{
DeliveryMode = messageDeliveryModeStrategy.GetDeliveryMode(typeof(T))
}
};
await advancedBus.PublishAsync(futureExchange, "#", false, false, easyNetQMessage).ConfigureAwait(false);
}
public virtual async Task PublishAsync <T>(T message, Action <IPublishConfiguration> configure) where T : class
{
Preconditions.CheckNotNull(message, "message");
Preconditions.CheckNotNull(configure, "configure");
var configuration = new PublishConfiguration(conventions.TopicNamingConvention(typeof(T)));
configure(configuration);
var messageType = typeof(T);
var easyNetQMessage = new Message <T>(message)
{
Properties =
{
DeliveryMode = messageDeliveryModeStrategy.GetDeliveryMode(messageType)
}
};
if (configuration.Priority != null)
{
easyNetQMessage.Properties.Priority = configuration.Priority.Value;
}
if (configuration.Expires != null)
{
easyNetQMessage.Properties.Expiration = configuration.Expires.ToString();
}
var exchange = await publishExchangeDeclareStrategy.DeclareExchangeAsync(advancedBus, messageType, ExchangeType.Topic).ConfigureAwait(false);
await advancedBus.PublishAsync(exchange, configuration.Topic, false, easyNetQMessage).ConfigureAwait(false);
}
private async Task FuturePublishInternalAsync <T>(TimeSpan messageDelay, T message, string cancellationKey = null) where T : class
{
Preconditions.CheckNotNull(message, "message");
Preconditions.CheckLess(messageDelay, MaxMessageDelay, "messageDelay");
Preconditions.CheckNull(cancellationKey, "cancellationKey");
var exchangeName = conventions.ExchangeNamingConvention(typeof(T));
var futureExchangeName = exchangeName + "_delayed";
var queueName = conventions.QueueNamingConvention(typeof(T), null);
var futureExchange = await advancedBus.ExchangeDeclareAsync(futureExchangeName, ExchangeType.Direct, delayed : true).ConfigureAwait(false);
var exchange = await advancedBus.ExchangeDeclareAsync(exchangeName, ExchangeType.Topic).ConfigureAwait(false);
await advancedBus.BindAsync(futureExchange, exchange, "#").ConfigureAwait(false);
var queue = await advancedBus.QueueDeclareAsync(queueName).ConfigureAwait(false);
await advancedBus.BindAsync(exchange, queue, "#").ConfigureAwait(false);
var easyNetQMessage = new Message <T>(message)
{
Properties =
{
DeliveryMode = messageDeliveryModeStrategy.GetDeliveryMode(typeof(T)),
Headers = new Dictionary <string, object>{
{ "x-delay", (int)messageDelay.TotalMilliseconds }
}
}
};
await advancedBus.PublishAsync(futureExchange, "#", false, false, easyNetQMessage).ConfigureAwait(false);
}
/// <inheritdoc />
public async Task FuturePublishAsync <T>(
T message,
TimeSpan delay,
Action <IFuturePublishConfiguration> configure,
CancellationToken cancellationToken = default
)
{
Preconditions.CheckNotNull(message, "message");
Preconditions.CheckNotNull(configure, "configure");
using var cts = cancellationToken.WithTimeout(configuration.Timeout);
var publishConfiguration = new FuturePublishConfiguration(conventions.TopicNamingConvention(typeof(T)));
configure(publishConfiguration);
var topic = publishConfiguration.Topic;
var exchange = await exchangeDeclareStrategy.DeclareExchangeAsync(
conventions.ExchangeNamingConvention(typeof(T)),
ExchangeType.Topic,
cts.Token
).ConfigureAwait(false);
var delayString = delay.ToString(@"dd\_hh\_mm\_ss");
var futureExchange = await exchangeDeclareStrategy.DeclareExchangeAsync(
$"{conventions.ExchangeNamingConvention(typeof(T))}_{delayString}",
ExchangeType.Topic,
cts.Token
).ConfigureAwait(false);
var futureQueue = await advancedBus.QueueDeclareAsync(
conventions.QueueNamingConvention(typeof(T), delayString),
c =>
{
c.WithMessageTtl(delay);
c.WithDeadLetterExchange(exchange);
if (setDeadLetterRoutingKey)
{
c.WithDeadLetterRoutingKey(topic);
}
},
cts.Token
).ConfigureAwait(false);
await advancedBus.BindAsync(futureExchange, futureQueue, topic, cts.Token).ConfigureAwait(false);
var properties = new MessageProperties();
if (publishConfiguration.Priority != null)
{
properties.Priority = publishConfiguration.Priority.Value;
}
properties.DeliveryMode = messageDeliveryModeStrategy.GetDeliveryMode(typeof(T));
var advancedMessage = new Message <T>(message, properties);
await advancedBus.PublishAsync(
futureExchange, topic, configuration.MandatoryPublish, advancedMessage, cts.Token
).ConfigureAwait(false);
}
protected Func <IMessage <T>, MessageReceivedInfo, Task> ConsumerHandler <T>(Func <IMessage <T>, ExtendedMessageReceivedInfo, Task> inner)
{
return(async(message, info) => {
var(handled, redeliveryCount) = await HandleRedelivery(message.Properties, info,
queue => _easyNetQBus.PublishAsync(Exchange.GetDefault(), queue.Name, true, message)
);
if (handled)
{
return;
}
_log.LogInformation("Received message. Message queue {queue}, type {type}", info.Queue, typeof(T).Name);
await inner.Invoke(message, new ExtendedMessageReceivedInfo(info, redeliveryCount));
});
}
public async Task Handle(CustomerWasCreated notification, CancellationToken cancellationToken)
{
var message = new Message <ICustomerWasCreated>(notification);
var exchange = _bus.ExchangeDeclare("customer-was-created", ExchangeType.Fanout);
var queue = _bus.QueueDeclare("customer-was-created");
_bus.Bind(exchange, queue, "");
await _bus.PublishAsync <ICustomerWasCreated>(exchange, "", true, message);
}
public async Task PublishAsync <T>(T message, string topic) where T : class
{
GuardHelper.ArgumentNotNull(() => message);
GuardHelper.ArgumentNotEmpty(() => topic);
var messageType = typeof(T);
var rabbitMessage = GetRabbitMessage(message, messageType);
var exchange = await publishExchangeDeclareStrategy.DeclareExchangeAsync(
advancedBus, messageType, ExchangeType.Topic).ConfigureAwait(false);
await advancedBus.PublishAsync(exchange, topic, rabbitMessage).ConfigureAwait(false);
}
public Task PublishAsync <T>(T message, string topic) where T : class
{
Preconditions.CheckNotNull(message, "message");
Preconditions.CheckNotNull(topic, "topic");
var exchange = publishExchangeDeclareStrategy.DeclareExchange(advancedBus, typeof(T), ExchangeType.Topic);
var easyNetQMessage = new Message <T>(message);
easyNetQMessage.Properties.DeliveryMode = (byte)(connectionConfiguration.PersistentMessages ? 2 : 1);
return(advancedBus.PublishAsync(exchange, topic, false, false, easyNetQMessage));
}
public async Task SendAsync(string route, Message message, CancellationToken cancellationToken = default)
{
var cts = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken);
var exchange = await DeclareBusExchangeAsync(cts.Token);
var properties = new MessageProperties
{
Headers = message.Headers.ToDictionary(x => x.Key, x => (object)x.Value)
};
await _bus.PublishAsync(exchange, route, true, properties, message.Body);
}
public Task PublishAsync <T>(T message, string topic) where T : class
{
Preconditions.CheckNotNull(message, "message");
Preconditions.CheckNotNull(topic, "topic");
var exchangeName = conventions.ExchangeNamingConvention(typeof(T));
var exchange = publishExchangeDeclareStrategy.DeclareExchange(advancedBus, exchangeName);
var easyNetQMessage = new Message <T>(message);
// by default publish persistent messages
easyNetQMessage.Properties.DeliveryMode = 2;
return(advancedBus.PublishAsync(exchange, topic, false, false, easyNetQMessage));
}
/// <summary>
/// Publish a message as a .NET type
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="bus">The bus instance</param>
/// <param name="exchange">The exchange to publish to</param>
/// <param name="routingKey">
/// The routing key for the message. The routing key is used for routing messages depending on the
/// exchange configuration.
/// </param>
/// <param name="mandatory">
/// This flag tells the server how to react if the message cannot be routed to a queue.
/// If this flag is true, the server will return an unroutable message with a Return method.
/// If this flag is false, the server silently drops the message.
/// </param>
/// <param name="message">The message to publish</param>
/// <param name="cancellationToken">The cancellation token</param>
public static void Publish <T>(
this IAdvancedBus bus,
IExchange exchange,
string routingKey,
bool mandatory,
IMessage <T> message,
CancellationToken cancellationToken = default
)
{
Preconditions.CheckNotNull(bus, "bus");
bus.PublishAsync(exchange, routingKey, mandatory, message, cancellationToken)
.GetAwaiter()
.GetResult();
}
public virtual Task PublishAsync <T>(T message, string topic) where T : class
{
Preconditions.CheckNotNull(message, "message");
Preconditions.CheckNotNull(topic, "topic");
var messageType = typeof(T);
return(publishExchangeDeclareStrategy.DeclareExchangeAsync(advancedBus, messageType, ExchangeType.Topic).Then(exchange =>
{
var easyNetQMessage = new Message <T>(message)
{
Properties = { DeliveryMode = (byte)(messageDeliveryModeStrategy.IsPersistent(messageType) ? 2 : 1) }
};
return advancedBus.PublishAsync(exchange, topic, false, false, easyNetQMessage);
}));
}
public async Task PublishAsync <T>(Message <T> message)
{
_logger.LogDebug("PublishAsync() started.");
if (message != null)
{
var exchange = await BindExchangeWithMessageQueueAsync(_exchangeName);
await _advancedBus.PublishAsync(exchange, string.Empty, true, message);
}
else
{
_logger.LogError("Unsupported message received. Message ignored.");
}
_logger.LogDebug("PublishAsync() completed.");
}
/// <summary>
/// Enqueue message to the Email Worker API for sending a mail
/// to the user with his/hers results from the test.
/// </summary>
/// <param name="notification"></param>
/// <param name="cancellationToken"></param>
public async Task Handle(UserSubmittedPersonalData notification, CancellationToken cancellationToken)
{
var results = await _userTestResultRepository.GetByUserAsync(notification.UserIdentifier);
var resultsAnalyzer = new UserResultStatAnalyzer(results.ResultStatistics);
var mailBody = await CreateMailBodyByTopResultsAsync(resultsAnalyzer.GetTopResults());
var emailModel = new SendUserResultsEmail(notification.Email, mailBody);
await _advancedBus.PublishAsync(
exchange : _exchange,
routingKey : _config.RoutingKey,
mandatory : false,
message : new Message <SendUserResultsEmail>(emailModel));
}
public virtual async Task PublishAsync <T>(T message, string topic) where T : class
{
Preconditions.CheckNotNull(message, "message");
Preconditions.CheckNotNull(topic, "topic");
var messageType = typeof(T);
var easyNetQMessage = new Message <T>(message)
{
Properties =
{
DeliveryMode = messageDeliveryModeStrategy.GetDeliveryMode(messageType)
}
};
var exchange = await publishExchangeDeclareStrategy.DeclareExchangeAsync(advancedBus, messageType, ExchangeType.Topic).ConfigureAwait(false);
await advancedBus.PublishAsync(exchange, topic, false, easyNetQMessage).ConfigureAwait(false);
}
public async Task <TaskArguments> Handle(RequestCalculationRequest message)
{
var newTask = new TaskEntity()
{
A = message.Arguments.A,
B = message.Arguments.B,
};
var createdTask = _repository.Create(newTask);
message.Arguments.Id = createdTask.Id;
var exchanger = _advancedBus.ExchangeDeclare(ExchangerNames.Tasks, ExchangeType.Topic);
await _advancedBus.PublishAsync(exchanger, MessageTopics.Sum, false, new Message <TaskArguments>(message.Arguments));
return(message.Arguments);
}
public async Task Publish(string mes)
{
var queueExhange = nameof(PublishMessage);
var queue2 = _bus.QueueDeclare(queueExhange);
var exchange = _bus.ExchangeDeclare(queueExhange, ExchangeType.Topic);
_bus.Bind(exchange, queue2, "A.*");
var newMessage = new PublishMessage()
{
Text = "Hello"
};
var topic = $"ProjectId.CabinId";
var yourMessage = new Message <string>(JsonConvert.SerializeObject(new PublishMessage {
Text = mes
}));
await _bus.PublishAsync(exchange, "A.*", true, yourMessage);
}
/// <inheritdoc />
public async Task FuturePublishAsync <T>(
T message,
TimeSpan delay,
Action <IFuturePublishConfiguration> configure,
CancellationToken cancellationToken = default
)
{
Preconditions.CheckNotNull(message, "message");
Preconditions.CheckNotNull(configure, "configure");
using var cts = cancellationToken.WithTimeout(configuration.Timeout);
var publishConfiguration = new FuturePublishConfiguration(conventions.TopicNamingConvention(typeof(T)));
configure(publishConfiguration);
var topic = publishConfiguration.Topic;
var exchangeName = conventions.ExchangeNamingConvention(typeof(T));
var futureExchangeName = exchangeName + "_delayed";
var futureExchange = await advancedBus.ExchangeDeclareAsync(
futureExchangeName,
c => c.AsDelayedExchange(ExchangeType.Topic),
cts.Token
).ConfigureAwait(false);
var exchange = await advancedBus.ExchangeDeclareAsync(
exchangeName,
c => c.WithType(ExchangeType.Topic),
cts.Token
).ConfigureAwait(false);
await advancedBus.BindAsync(futureExchange, exchange, topic, cts.Token).ConfigureAwait(false);
var properties = new MessageProperties();
if (publishConfiguration.Priority != null)
{
properties.Priority = publishConfiguration.Priority.Value;
}
properties.DeliveryMode = messageDeliveryModeStrategy.GetDeliveryMode(typeof(T));
await advancedBus.PublishAsync(
futureExchange, topic, false, new Message <T>(message, properties).WithDelay(delay), cts.Token
).ConfigureAwait(false);
}
public async Task PublishAsync(MessageModel messageAvailable, CancellationToken cancellationToken)
{
_logger.LogInformation($"Entering {nameof(PublishAsync)}");
try
{
var exchange = await _advancedBus.ExchangeDeclareAsync(name : _exchanges.ExchangeKey, type : ExchangeType.Direct, cancellationToken : cancellationToken).ConfigureAwait(false);
var body = new Message <MessageModel>(messageAvailable);
await _advancedBus.PublishAsync(exchange : exchange, routingKey : _routings.RoutingKey, mandatory : false, message : body, cancellationToken : cancellationToken).ConfigureAwait(false);
_logger.LogInformation($"Message: {messageAvailable.Text}");
}
catch (Exception ex)
{
_logger.LogError(ex, ex.Message);
throw;
}
}
public async Task SendAsync <T>(T message, TimeSpan?redeliveryDelay = null, int?redeliveryLimit = null, bool persistent = true)
{
await InitAsync();
var wrapper = new Message <T>(message);
if (redeliveryDelay.HasValue)
{
wrapper.Properties.Headers[MessageHeaders.RedeliveryDelay] = (int)redeliveryDelay.Value.TotalMilliseconds;
}
if (redeliveryLimit.HasValue)
{
wrapper.Properties.Headers[MessageHeaders.RedeliveryLimit] = redeliveryLimit.Value;
}
if (persistent)
{
wrapper.Properties.DeliveryMode = 2;
}
await _easyNetQBus.PublishAsync(Exchange.GetDefault(), _messageBus.Value.Queue, true, wrapper);
}
public static async Task ResendErrorsAsync(this IAdvancedBus source, string errorQueueName)
{
var errorQueue = await source.QueueDeclareAsync(errorQueueName);
var message = await source.GetMessageAsync(errorQueue);
while (message != null)
{
var utf8Body = Encoding.UTF8.GetString(message.Body);
var error = JsonConvert.DeserializeObject <Error>(utf8Body);
var errorBodyBytes = Encoding.UTF8.GetBytes(error.Message);
var exchange = await source.ExchangeDeclareAsync(error.Exchange, x =>
{
// This can be adjusted to fit the exchange actual configuration
x.AsDurable(true);
x.AsAutoDelete(false);
x.WithType("topic");
});
await source.PublishAsync(exchange, error.RoutingKey, true, error.BasicProperties, errorBodyBytes);
message = await source.GetMessageAsync(errorQueue);
}
}
public async Task SendTopicAsync <T>(T message, string routeKey = "", bool isMandatory = false) where T : class
{
var exchange = new ExchangeConfig();
if (!_bus.IsConnected)
{
string errorMessage = "";
_logger.LogError(errorMessage);
throw new Exception("");
}
_advancedBus.ExchangeDeclare(exchange.Name, exchange.Type);
var policy = Policy.Handle <Exception>().WaitAndRetryAsync(_retryAttempts, retryAttempt => TimeSpan.FromSeconds(Math.Pow(2, _retryAttempts)), (ex, time) =>
{
string errorMessage = "";
_logger.LogError(errorMessage);
throw new Exception("");
});
await policy.ExecuteAsync(async() =>
await _advancedBus.PublishAsync(exchange, routeKey, isMandatory, new Message <T>(message)).ConfigureAwait(false)
).ConfigureAwait(false);
}
public async Task PublishEventAsync(byte[] body, MessageProperties messageProperties, string routing)
{
await _bus.PublishAsync(await _exchange, routing, false, messageProperties, body);
}
/// <inheritdoc/>
public async Task PublishAsync(OutgoingMessage outgoingMessage, string queueName = QueueName.Outbox)
{
var message = CreateMessage(outgoingMessage);
await bus.PublishAsync(Exchange.GetDefault(), queueName, false, message);
}