/// <summary>
/// 发送消息
/// </summary>
/// <param name="message">消息</param>
public void SendMessage <T>(Envelope <T> message) where T : class
{
if (message == null || message.Body == null)
{
throw new ArgumentNullException("message");
}
var body = Serializer.Serialize(message.Body);
var messageTypeName = MessageTypeAttribute.GetTypeName(message.Body.GetType());
var routingKey = string.Empty;
if (_publishToExchange)
{
uint routingKeyHashCode = 0;
if (!uint.TryParse(message.RoutingKey, out routingKeyHashCode))
{
routingKeyHashCode = (uint)message.RoutingKey.GetHashCode();
}
routingKey = (routingKeyHashCode % _publishToExchangeQueueCount).ToString();
}
else
{
routingKey = message.RoutingKey == null ? string.Empty : message.RoutingKey;
}
var envelopedMessage = new EnvelopedMessage(message.MessageId,
messageTypeName,
message.Timestamp,
Serializer.GetString(body),
routingKey,
string.Empty,
string.Empty);
var context = new MessageSendingTransportationContext(ExchangeName, new Dictionary <string, object> {
{ MessagePropertyConstants.MESSAGE_ID, string.IsNullOrEmpty(message.MessageId) ? Guid.NewGuid().ToString() : message.MessageId },
{ MessagePropertyConstants.MESSAGE_TYPE, messageTypeName },
{ MessagePropertyConstants.TIMESTAMP, message.Timestamp },
{ MessagePropertyConstants.CONTENT_TYPE, Serializer.ContentType },
{ MessagePropertyConstants.PAYLOAD, Serializer.GetString(body) },
{ MessagePropertyConstants.ROUTING_KEY, routingKey }
});
try
{
TriggerOnMessageSent(new MessageSentEventArgs(this.GetSenderType(), context));
if (!IsRunning())
{
throw new ObjectDisposedException(nameof(PubsubSender));
}
IncreaseRetryingMessageCount();
RetryPolicy.Retry(() =>
{
using (var channel = _conn.CreateChannel())
{
var properties = channel.CreateBasicProperties();
properties.Persistent = true;
properties.DeliveryMode = 2;
properties.ContentType = Serializer.ContentType;
properties.MessageId = message.MessageId;
properties.Type = messageTypeName;
properties.Timestamp = new AmqpTimestamp(DateTime2UnixTime.ToUnixTime(message.Timestamp));
if (_confirmEnabled)
{
channel.ConfirmSelect();
}
channel.BasicPublish(exchange: ExchangeName,
routingKey: routingKey,
mandatory: _atLeastMatchOneQueue,
basicProperties: properties,
body: body);
if (_confirmEnabled && !channel.WaitForConfirms())
{
throw new Exception("Wait for confirm after sending message failed");
}
}
},
cancelOnFailed: (retryCount, retryException) =>
{
return(false);
},
retryCondition: ex => IOHelper.IsIOError(ex) || RabbitMQExceptionHelper.IsChannelError(ex),
retryTimeInterval: 1000,
maxRetryCount: _maxRetryCount);
TriggerOnMessageSendingSucceeded(new MessageSendingSucceededEventArgs(this.GetSenderType(), context));
}
catch (Exception ex)
{
var realEx = ex is TargetInvocationException ? ex.InnerException : ex;
context.LastException = realEx;
TriggerOnMessageSendingFailed(new MessageSendingFailedEventArgs(this.GetSenderType(), context));
throw new MessageSendFailedException(envelopedMessage, ExchangeName, realEx);
}
finally
{
DecreaseRetryingMessageCount();
}
}
/// <summary>
/// 重发到队列
/// </summary>
/// <param name="queueName">队列名</param>
/// <param name="messageId">消息ID</param>
/// <param name="messageTypeName">消息类型名</param>
/// <param name="messageTimestamp">消息时间戳</param>
/// <param name="messageBody">消息体</param>
/// <param name="correlationId">关联ID</param>
/// <param name="replyTo">响应队列名</param>
public void RedeliverToQueue(string queueName, string messageId, string messageTypeName, DateTime messageTimestamp, string messageBody, string correlationId = "", string replyTo = "")
{
if (string.IsNullOrEmpty(queueName))
{
throw new ArgumentNullException("queueName", "must not empty");
}
if (string.IsNullOrEmpty(messageId))
{
throw new ArgumentNullException("messageId", "must not empty");
}
if (string.IsNullOrEmpty(messageTypeName))
{
throw new ArgumentNullException("messageTypeName", "must not empty");
}
if (messageTimestamp == DateTime.MinValue)
{
throw new ArgumentNullException("messageTimestamp", "must not empty");
}
if (string.IsNullOrEmpty(messageBody))
{
throw new ArgumentNullException("messageBody", "must not empty");
}
var body = Serializer.GetBytes(messageBody);
var routingKey = queueName;
var envelopedMessage = new EnvelopedMessage(messageId,
messageTypeName,
messageTimestamp,
messageBody,
routingKey,
correlationId,
replyTo);
try
{
var context = new MessageSendingTransportationContext(string.Empty, new Dictionary <string, object> {
{ MessagePropertyConstants.MESSAGE_ID, string.IsNullOrEmpty(messageId) ? Guid.NewGuid().ToString() : messageId },
{ MessagePropertyConstants.MESSAGE_TYPE, messageTypeName },
{ MessagePropertyConstants.TIMESTAMP, messageTimestamp },
{ MessagePropertyConstants.CONTENT_TYPE, Serializer.ContentType },
{ MessagePropertyConstants.PAYLOAD, Serializer.GetString(body) },
{ MessagePropertyConstants.ROUTING_KEY, routingKey },
{ MessagePropertyConstants.REPLY_TO, replyTo },
{ MessagePropertyConstants.CORRELATION_ID, correlationId }
});
RetryPolicy.Retry(() =>
{
using (var channel = _conn.CreateChannel())
{
var properties = channel.CreateBasicProperties();
properties.Persistent = true;
properties.DeliveryMode = 2;
properties.ContentType = Serializer.ContentType;
properties.MessageId = messageId;
properties.Type = messageTypeName;
properties.Timestamp = new AmqpTimestamp(DateTime2UnixTime.ToUnixTime(messageTimestamp));
if (!string.IsNullOrEmpty(correlationId) && !string.IsNullOrEmpty(replyTo))
{
properties.CorrelationId = correlationId;
properties.ReplyTo = replyTo;
}
channel.BasicPublish(exchange: string.Empty,
routingKey: routingKey,
mandatory: true,
basicProperties: properties,
body: body);
channel.Close();
}
},
cancelOnFailed: (retryCount, retryException) =>
{
if (retryCount == 0)
{
_logger.Error($"Message [{messageTypeName}] \"{Serializer.GetString(body)}\" send to queue \"{queueName}\" failed.", retryException);
}
return(false);
},
retryCondition: ex => IOHelper.IsIOError(ex) || RabbitMQExceptionHelper.IsChannelError(ex),
maxRetryCount: 1,
retryTimeInterval: 1000);
if (_debugEnabled)
{
_logger.Info($"Message [{messageTypeName}] \"{Serializer.GetString(body)}\" send to queue \"{queueName}\" successful.");
}
}
catch (Exception ex)
{
var realEx = ex is TargetInvocationException ? ex.InnerException : ex;
_logger.Error($"Message [{ messageTypeName}] \"{Serializer.GetString(body)}\" send to queue \"{queueName}\" failed.", realEx);
throw new MessageSendFailedException(envelopedMessage, string.Empty, realEx);
}
}
/// <summary>
/// 发送请求
/// </summary>
/// <param name="message">消息</param>
/// <param name="methodName">方法名</param>
/// <param name="correlationId">关联ID</param>
public void SendRequest <T>(Envelope <T> message, string methodName, string correlationId) where T : class
{
if (message == null || message.Body == null)
{
throw new ArgumentNullException("message");
}
var queueName = _disableQueuePrefix ? methodName : $"rpc.{methodName}";
var callbackQueueName = $"{queueName}.callback";
var body = Serializer.Serialize(message.Body);
var messageTypeName = MessageTypeAttribute.GetTypeName(message.Body.GetType());
var routingKey = string.IsNullOrEmpty(ExchangeName) ? queueName : methodName;
var envelopedMessage = new EnvelopedMessage(message.MessageId,
messageTypeName,
message.Timestamp,
Serializer.GetString(body),
routingKey,
correlationId,
callbackQueueName);
var context = new MessageSendingTransportationContext(ExchangeName, new Dictionary <string, object> {
{ MessagePropertyConstants.MESSAGE_ID, string.IsNullOrEmpty(message.MessageId) ? Guid.NewGuid().ToString() : message.MessageId },
{ MessagePropertyConstants.MESSAGE_TYPE, messageTypeName },
{ MessagePropertyConstants.TIMESTAMP, message.Timestamp },
{ MessagePropertyConstants.CONTENT_TYPE, Serializer.ContentType },
{ MessagePropertyConstants.PAYLOAD, Serializer.GetString(body) },
{ MessagePropertyConstants.ROUTING_KEY, routingKey },
{ MessagePropertyConstants.REPLY_TO, callbackQueueName },
{ MessagePropertyConstants.CORRELATION_ID, correlationId }
});
TriggerOnMessageSent(new MessageSentEventArgs(this.GetSenderType(), context));
try
{
if (!IsRunning())
{
throw new ObjectDisposedException(nameof(RpcClient));
}
IncreaseRetryingMessageCount();
RetryPolicy.Retry(() =>
{
using (var channel = _conn.CreateChannel())
{
var properties = channel.CreateBasicProperties();
properties.Persistent = true;
properties.DeliveryMode = 2;
properties.ContentType = Serializer.ContentType;
properties.MessageId = message.MessageId;
properties.Type = messageTypeName;
properties.Timestamp = new AmqpTimestamp(DateTime2UnixTime.ToUnixTime(message.Timestamp));
properties.ReplyTo = callbackQueueName;
properties.CorrelationId = correlationId;
if (_confirmEnabled)
{
channel.ConfirmSelect();
}
channel.BasicPublish(exchange: ExchangeName,
routingKey: routingKey,
mandatory: true,
basicProperties: properties,
body: body);
if (_confirmEnabled && !channel.WaitForConfirms())
{
throw new Exception("Wait for confirm after sending message failed");
}
}
},
cancelOnFailed: (retryCount, retryException) =>
{
return(false);
},
retryCondition: ex => IOHelper.IsIOError(ex) || RabbitMQExceptionHelper.IsChannelError(ex),
retryTimeInterval: 1000,
maxRetryCount: _maxRetryCount);
TriggerOnMessageSendingSucceeded(new MessageSendingSucceededEventArgs(this.GetSenderType(), context));
}
catch (Exception ex)
{
var realEx = ex is TargetInvocationException ? ex.InnerException : ex;
context.LastException = realEx;
TriggerOnMessageSendingFailed(new MessageSendingFailedEventArgs(this.GetSenderType(), context));
throw new MessageSendFailedException(envelopedMessage, ExchangeName, realEx);
}
finally
{
DecreaseRetryingMessageCount();
}
}