private void Connect()
{
// getting the snapshot
using (RequestSocket requestSocket = context.CreateRequestSocket())
{
requestSocket.Connect(string.Format("tcp://{0}:{1}", address, SnapshotProtocol.Port));
requestSocket.Send(SnapshotProtocol.GetTradessCommand);
string json;
requestSocket.Options.ReceiveTimeout = SnapshotProtocol.RequestTimeout;
try
{
json = requestSocket.ReceiveString();
}
catch (AgainException ex)
{
// Fail to receive trades, we call on error and don't try to do anything with subscriber
// calling on error from poller thread block the application
Task.Run(() => subject.OnError(new Exception("No response from server")));
return;
}
while (json != SnapshotProtocol.EndOfTickers)
{
PublishTicker(json);
json = requestSocket.ReceiveString();
}
}
subscriberSocket = context.CreateSubscriberSocket();
subscriberSocket.Subscribe(StreamingProtocol.TradesTopic);
subscriberSocket.Subscribe(StreamingProtocol.HeartbeatTopic);
subscriberSocket.Connect(string.Format("tcp://{0}:{1}", address, StreamingProtocol.Port));
subscriberSocket.ReceiveReady += OnSubscriberReady;
poller.AddSocket(subscriberSocket);
// reset timeout timer
timeoutTimer.Enable = false;
timeoutTimer.Enable = true;
}
public static void WorkerTask(object portNumber)
{
var randomizer = new Random(DateTime.Now.Millisecond);
using (NetMQContext context = NetMQContext.Create())
{
using (RequestSocket worker = context.CreateRequestSocket())
{
// We use a string identity for ease here
string id = ZHelpers.SetID(worker, Encoding.Unicode);
string cnn = string.Format("tcp://localhost:{0}", portNumber);
worker.Connect(cnn);
Console.WriteLine("[W] ID {0} connect to {1}", id, cnn);
int total = 0;
bool end = false;
while (!end)
{
// Tell the router we're ready for work
string msg = "Ready";
worker.Send(msg);
//Console.WriteLine("[W] Message sent: {0}", msg);
// Get workload from router, until finished
string workload = worker.ReceiveString();
//Console.WriteLine("[W] Workload received: {0}", workload);
if (workload.Equals("END"))
{
end = true;
}
else
{
total++;
Thread.Sleep(randomizer.Next(1, 1000)); // Simulate 'work'
}
}
Console.WriteLine("ID ({0}) processed: {1} tasks", Encoding.Unicode.GetString(worker.Options.Identity), total);
}
}
}
