public void RequestResponseMultipartMessageWithRetryFails()
{
const string address = "tcp://127.0.0.1:50002";
const string pubAddress = "tcp://127.0.0.1:60002";
const int numTries = 5;
var requestTimeout = TimeSpan.FromMilliseconds(100);
var requestMessage = new NetMQMessage(1);
requestMessage.Append("Hi");
using (var progressPublisher = new PublisherSocket(pubAddress))
using (var progressSubscriber = new SubscriberSocket(pubAddress))
using (var server = new RouterSocket(address))
{
progressSubscriber.SubscribeToAnyTopic();
var progressProactor = new NetMQProactor(progressSubscriber, (socket, message) =>
Console.WriteLine("C: {0} {1:ss.fff}", message[0].ConvertToString(), DateTime.Now));
var serverProactor = new NetMQProactor(server, (socket, message) =>
{
Console.WriteLine("ResponseEcho recieved message {0} at {1:ss.fff}", message[2].ConvertToString(),
DateTime.Now);
});
using (serverProactor)
using (progressProactor)
{
var responseMessage = RequestSocket.RequestResponseMultipartMessageWithRetry(address, requestMessage,
numTries, requestTimeout, progressPublisher);
Assert.IsNull(responseMessage);
}
}
}
public void RequestResponseMultipartMessageWithRetrySucceedsFirstTry()
{
const string address = "tcp://127.0.0.1:50001";
const string pubAddress = "tcp://127.0.0.1:60001";
const int numTries = 5;
var requestTimeout = TimeSpan.FromMilliseconds(100);
var requestMessage = new NetMQMessage(1);
requestMessage.Append("Hi");
using (var progressPublisher = new PublisherSocket(pubAddress))
using (var progressSubscriber = new SubscriberSocket(pubAddress))
using (var server = new ResponseSocket(address))
{
progressSubscriber.SubscribeToAnyTopic();
var progressProactor = new NetMQProactor(progressSubscriber, (socket, message) =>
Console.WriteLine("C: {0} {1:ss.fff}", message[0].ConvertToString(), DateTime.Now));
var serverProactor = new NetMQProactor(server, (socket, message) =>
{
Console.WriteLine("ResponseEcho received message {0} at {1:ss.fff}", message.First.ConvertToString(),
DateTime.Now);
// reply same message
socket.SendMultipartMessage(message);
});
using (serverProactor)
using (progressProactor)
{
var responseMessage = RequestSocket.RequestResponseMultipartMessageWithRetry(address,
requestMessage, numTries, requestTimeout, progressPublisher);
Assert.IsNotNull(responseMessage);
Assert.AreEqual(1, responseMessage.FrameCount);
var responseString = responseMessage.First.ConvertToString();
Assert.AreEqual("Hi", responseString);
}
}
}
private static void SubscriberContinuousLoop(string pubSubAddress, string requestString)
{
Task.Factory.StartNew(() =>
{
using (var progressSubscriber = new SubscriberSocket())
{
progressSubscriber.Connect(pubSubAddress);
progressSubscriber.SubscribeToAnyTopic();
while (true)
{
var topic = progressSubscriber.ReceiveFrameString();
RequestSocket.ProgressTopic progressTopic;
Enum.TryParse(topic, out progressTopic);
switch (progressTopic)
{
case RequestSocket.ProgressTopic.Send:
Console.WriteLine("C: Sending {0}", requestString);
break;
case RequestSocket.ProgressTopic.Retry:
Console.WriteLine("C: No response from server, retrying...");
break;
case RequestSocket.ProgressTopic.Failure:
Console.WriteLine("C: Server seems to be offline, abandoning");
break;
case RequestSocket.ProgressTopic.Success:
Console.WriteLine("C: Server replied OK");
break;
default:
throw new ArgumentOutOfRangeException();
}
}
}
});
}
public void RequestResponseStringWithRetrySucceedsNotOnFirstTry()
{
const string address = "tcp://127.0.0.1:50001";
const string pubAddress = "tcp://127.0.0.1:60001";
const int numTries = 5;
var requestTimeout = TimeSpan.FromMilliseconds(100);
using (var progressPublisher = new PublisherSocket(pubAddress))
using (var progressSubscriber = new SubscriberSocket(pubAddress))
using (var server = new RouterSocket(address))
{
progressSubscriber.SubscribeToAnyTopic();
var progressProactor = new NetMQProactor(progressSubscriber, (socket, message) =>
Console.WriteLine("C: {0} {1:ss.fff}", message[0].ConvertToString(), DateTime.Now));
int attempt = 0;
var serverProactor = new NetMQProactor(server, (socket, message) =>
{
Console.WriteLine("ResponseEcho recieved message {0} at {1:ss.fff}", message[2].ConvertToString(),
DateTime.Now);
attempt++;
if (attempt > 1)
{
// reply same message
socket.SendMultipartMessage(message);
}
});
using (serverProactor)
using (progressProactor)
{
var responseMessage = RequestSocket.RequestResponseStringWithRetry(address,
"Hi", numTries, requestTimeout, progressPublisher);
Assert.AreEqual("Hi", responseMessage);
}
}
}