public void Send(object message, IConventions conventions, string messageId = null, string correlationId = null,
object correlationContext = null)
{
var json = _serializer.Serialize(message);
var body = Encoding.UTF8.GetBytes(json);
var properties = _channel.CreateBasicProperties();
properties.MessageId = string.IsNullOrWhiteSpace(messageId)
? Guid.NewGuid().ToString("N")
: messageId;
properties.CorrelationId = string.IsNullOrWhiteSpace(correlationId)
? Guid.NewGuid().ToString("N")
: correlationId;
properties.Timestamp = new AmqpTimestamp(DateTimeOffset.UtcNow.ToUnixTimeSeconds());
properties.Headers = new Dictionary <string, object>();
if (_contextEnabled)
{
IncludeCorrelationContext(correlationContext, properties);
}
if (_loggerEnabled)
{
_logger.LogInformation($"Publishing a message with routing key: '{conventions.RoutingKey}' " +
$"to exchange: '{conventions.Exchange}' " +
$"[id: '{properties.MessageId}', correlation id: '{properties.CorrelationId}']");
}
_channel.BasicPublish(conventions.Exchange, conventions.RoutingKey, properties, body);
}
public void Send(object message, IConventions conventions, string messageId = null, string correlationId = null,
string spanContext = null, object messageContext = null, IDictionary <string, object> headers = null)
{
var payload = _serializer.Serialize(message);
var body = Encoding.UTF8.GetBytes(payload);
var properties = _channel.CreateBasicProperties();
properties.MessageId = string.IsNullOrWhiteSpace(messageId)
? Guid.NewGuid().ToString("N")
: messageId;
properties.CorrelationId = string.IsNullOrWhiteSpace(correlationId)
? Guid.NewGuid().ToString("N")
: correlationId;
properties.Timestamp = new AmqpTimestamp(DateTimeOffset.UtcNow.ToUnixTimeSeconds());
properties.Headers = new Dictionary <string, object>();
if (_contextEnabled)
{
IncludeMessageContext(messageContext, properties);
}
if (!string.IsNullOrWhiteSpace(spanContext))
{
properties.Headers.Add(_spanContextHeader, spanContext);
}
if (headers is {})
/// <summary>
/// Publish the <paramref name="message"/> but deliver it later at the moment <paramref name="deliverAt"/>
/// </summary>
/// <remarks>
/// The message will be delivered not early than <paramref name="deliverAt"/>.
/// Published message will be stored in the intermediate storage until the delivery moment comes.
/// If the method is executed without exception, it is guaranteed that the message will be eventually delivered at least once
/// </remarks>
/// <param name="message">Message to publish</param>
/// <param name="deliverAt">Moment, when message should be delivered</param>
/// <param name="routingKey">Message routing key. Overrides routing key, which specified in the publisher settings</param>
/// <returns></returns>
public Task ProduceAsync(TMessageModel message, DateTime deliverAt, string routingKey = null)
{
ThrowIfNotStarted();
if (message == null)
{
throw new ArgumentNullException(nameof(message));
}
if (_deferredMessagesManager == null)
{
throw new InvalidOperationException($"To enable deferred messages publishing, call {nameof(EnableDeferredMessages)}");
}
var body = _serializer.Serialize(message);
return(_deferredMessagesManager.DeferAsync(new RawMessage(body, routingKey), deliverAt));
}
public void Send(object message, IConventions conventions, string messageId = null, string correlationId = null,
string spanContext = null, object messageContext = null, IDictionary <string, object> headers = null)
{
var threadId = Thread.CurrentThread.ManagedThreadId;
if (!_channels.TryGetValue(threadId, out var channel))
{
lock (_lockObject)
{
if (_channelsCount >= _maxChannels)
{
throw new InvalidOperationException($"Cannot create RabbitMQ producer channel for thread: {threadId} " +
$"(reached the limit of {_maxChannels} channels). " +
"Modify `MaxProducerChannels` setting to allow more channels.");
}
channel = _connection.CreateModel();
_channels.TryAdd(threadId, channel);
_channelsCount++;
if (_loggerEnabled)
{
_logger.LogTrace($"Created a channel for thread: {threadId}, total channels: {_channelsCount}/{_maxChannels}");
}
}
}
else
{
if (_loggerEnabled)
{
_logger.LogTrace($"Reused a channel for thread: {threadId}, total channels: {_channelsCount}/{_maxChannels}");
}
}
var payload = _serializer.Serialize(message);
var body = Encoding.UTF8.GetBytes(payload);
var properties = channel.CreateBasicProperties();
properties.Persistent = _persistMessages;
properties.MessageId = string.IsNullOrWhiteSpace(messageId)
? Guid.NewGuid().ToString("N")
: messageId;
properties.CorrelationId = string.IsNullOrWhiteSpace(correlationId)
? Guid.NewGuid().ToString("N")
: correlationId;
properties.Timestamp = new AmqpTimestamp(DateTimeOffset.UtcNow.ToUnixTimeSeconds());
properties.Headers = new Dictionary <string, object>();
if (_contextEnabled)
{
IncludeMessageContext(messageContext, properties);
}
if (!string.IsNullOrWhiteSpace(spanContext))
{
properties.Headers.Add(_spanContextHeader, spanContext);
}
if (headers is {})
public Task Send(object message, IConventions conventions, string messageId = null, string correlationId = null,
string spanContext = null, object messageContext = null, IDictionary <string, object> headers = null)
{
var payload = _serializer.Serialize(message);
var body = Encoding.UTF8.GetBytes(payload);
IBasicProperties properties = CreateProperties(messageId, correlationId, headers);
_channel.BasicPublish(conventions.Exchange, conventions.RoutingKey, properties, body);
return(Task.CompletedTask);
}
public void Publish(string message)
{
QueueDeclareConfiguration QueueConfiguration = new QueueDeclareConfiguration(ChannelQueueName);
QueueConfiguration.Declare(ChannelAccessor.Channel);
var properties = ChannelAccessor.Channel.CreateBasicProperties();
properties.Persistent = true;
ChannelAccessor.Channel.BasicPublish(
exchange: "",
routingKey: QueueConfiguration.QueueName,
basicProperties: properties,
body: serializer.Serialize(string.Format(message, DateTime.Now))
);
_logger.LogInformation(" [RabbitBasicDemo] Publish {0}", string.Format(message, DateTime.Now));
}
private byte[] RepackMessage(byte[] serializedMessage)
{
T message;
try
{
message = _messageDeserializer.Deserialize(serializedMessage);
}
catch (Exception exception)
{
_log.WriteErrorAsync(this.GetType().Name, nameof(RepackMessage),
$"Failed to deserialize the message: {serializedMessage} with {_messageDeserializer.GetType().Name}. Stopping.",
exception).GetAwaiter().GetResult();
return(null);
}
return(_messageSerializer.Serialize(message));
}
public Task InvokeAsync(HttpContext context, RequestDelegate next)
{
QueueDeclareConfiguration QueueConfiguration = new QueueDeclareConfiguration(ChannelQueueName);
QueueConfiguration.Declare(ChannelAccessor.Channel);
var properties = ChannelAccessor.Channel.CreateBasicProperties();
properties.Persistent = true;
ChannelAccessor.Channel.BasicPublish(
exchange: "",
routingKey: QueueConfiguration.QueueName,
basicProperties: properties,
body: serializer.Serialize(string.Format(message, DateTime.Now))
);
Console.WriteLine(" [Publish] Publish {0}", string.Format(message, DateTime.Now));
return(next.Invoke(context));
}