public JsonAmqpRpcServer(string hostName, string queueName, IJsonRpcHandler handler)
{
_log = LogManager.GetCurrentClassLogger();
_log.Info("AMQP RPC server starting: host = {0}; queue = {1}", hostName, queueName);
_messaging = AmqpRpc.CreateMessaging(AmqpRpc.CreateConnector(hostName), queueName);
_handler = handler;
}
private void Reply(IReceivedMessage message, JsonTransportResponse response)
{
var reply = message.CreateReply();
var headers = AmqpRpc.CreateHeaders(null, response.Status);
reply.Properties.Headers = headers;
_log.Debug("Sending reply: {0}", response.Body);
reply.Body = Json.Serialize(response.Body);
reply.From = null;
_messaging.Send(reply);
}
public JsonAmqpRpcClient(string hostName, string target)
{
_target = target;
var connector = AmqpRpc.CreateConnector(hostName);
_messaging = Factory.CreateMessaging();
_messaging.Connector = connector;
_messaging.SetupReceiver += channel =>
{
_replyTo = channel.QueueDeclare();
_messaging.QueueName = _replyTo;
};
_messaging.QueueName = "DUMMY_QUEUE_NAME";
_messaging.Init();
}
/// <summary>
/// Call a remote procedure with a specified timeout
/// </summary>
/// <param name="endpoint">The endpoint to which to route the request</param>
/// <param name="body">The request body</param>
/// <param name="receiveTimeout">Timeout in ms, after which a null response is returned</param>
/// <returns>The response</returns>
public JContainer Call(string endpoint, JContainer body, int receiveTimeout)
{
var message = _messaging.CreateMessage();
message.To = _target;
message.ReplyTo = _replyTo;
message.Body = Json.Serialize(body);
message.Properties.Headers = AmqpRpc.CreateHeaders(endpoint, null);
_messaging.Send(message);
var reply = _messaging.Receive(receiveTimeout);
if (AmqpRpc.GetStatusCode(reply) != 200)
{
throw new AmqpRpcError(Encoding.UTF8.GetString(reply.Body));
}
// TODO handle null reply (timeout)
return(Json.Deserialize(reply.Body));
}
