public static Message <Null, byte[]> ConvertToKafkaMessage(this BaseMessage message)
{
if (string.IsNullOrWhiteSpace(message.MessageId))
{
message.MessageId = Guid.NewGuid()
.ToString()
.ToUpper();
}
message.SendDateTime = DateTime.Now;
var headers = new Headers();
foreach (var property in message.Properties)
{
if (!(property.Value is string str))
{
throw new
MessagingException($"The value of property {property.Key} is not a string. Kafka adapter support only string properties");
}
headers.Add(property.Key, Encoding.UTF8.GetBytes(str));
}
return(new Message <Null, byte[]>
{
Timestamp = new Timestamp(message.SendDateTime.GetValueOrDefault()),
Headers = headers,
Value = message.GetMessageBodyAsBytes()
});
}
/// <inheritdoc />
/// <summary>
/// Отправляет сообщение в очередь
/// </summary>
/// <returns>Отправленное сообщение с заполнеными датой отправки и идентификатором сообщения</returns>
public BaseMessage Send(BaseMessage message)
{
_logger.LogDebug("Try to send message to queue with id: {queueId}", _configuration.Id);
message.ThrowIfNull(nameof(message));
CheckDisposed();
CheckAndReconnect();
try
{
var body = message.GetMessageBodyAsBytes();
_advancedBus.Publish(_exchange, _configuration.Id, false, message.ConvertToProperties(_configuration), body);
_logger.LogDebug("Done to send message to queue with id: {queueId}", _configuration.Id);
LogMessageInternal(message, true);
return(message);
}
catch (Exception ex)
{
_logger.LogError(ex, "RabbitMQ PUT failure on queue with ID: {queueId}", _configuration.Id);
throw new MessagingException(ex, "Messaging error while sending message. See inner exception for more details");
}
}