public void Start()
{
subThread = new BackgroundWorker();
subThread.DoWork += new DoWorkEventHandler(subThread_DoWork);
subThread.RunWorkerAsync();
using (var ctx = ZContext.Create())
{
using (var socket = new ZSocket(ctx, ZSocketType.PUB))
{
socket.Bind("tcp://127.0.0.1:5000");
while (true)
{
Thread.Sleep(1000);
// Create a ZmqMessage containing 3 frames
ZMessage zmqMessage = new ZMessage();
zmqMessage.Append(new ZFrame(Encoding.UTF8.GetBytes("My Frame 01")));
zmqMessage.Append(new ZFrame(Encoding.UTF8.GetBytes("My Frame 02")));
zmqMessage.Append(new ZFrame(Encoding.UTF8.GetBytes("My Frame 03")));
Console.WriteLine("PUB; publishing: ");
foreach (var msg in zmqMessage)
{
Console.WriteLine("\t" + msg.ReadString(Encoding.UTF8));
}
socket.SendMessage(zmqMessage);
}
}
}
}
public void Publish(Type type, byte[] message, Dictionary<string, string> headers = null)
{
Dictionary<string, object> messageHeaders = GetHeaders(type, headers, _transportSettings.QueueName, "Publish");
var serializedHeaders = JsonConvert.SerializeObject(messageHeaders);
var msg = new ZMessage();
msg.Append(new ZFrame(type.FullName.Replace(".", string.Empty)));
msg.Append(new ZFrame(serializedHeaders));
msg.Append(new ZFrame(message));
_publisher.SendMessage(msg);
}
public void Start()
{
_subThread = new BackgroundWorker();
_subThread.DoWork += new DoWorkEventHandler(subThread_DoWork);
_subThread.RunWorkerAsync();
using (var ctx = ZContext.Create())
{
using (var socket = new ZSocket(ctx, ZSocketType.PUB))
{
socket.Bind("tcp://127.0.0.1:5000");
while (true)
{
Thread.Sleep(1000);
var shoppingBasket = new ShoppingBasket()
{
StoreName = "Fruits City",
ShoppingItems = new List <ShoppingItem>()
{
new ShoppingItem()
{
Description = "Orange", Weight = 0.5f
},
new ShoppingItem()
{
Description = "Apple", Weight = 1.4f
},
new ShoppingItem()
{
Description = "Banana", Weight = 0.75f
}
}
};
ZMessage zmqMessage = new ZMessage();
var msg1 = "Shopping Basket";
var msg2 = JsonSerializer.SerializeToString <ShoppingBasket>(shoppingBasket);
zmqMessage.Append(new ZFrame(msg1, Encoding.UTF8));
zmqMessage.Append(JsonFrame.Serialize <ShoppingBasket>(shoppingBasket));
Console.WriteLine("PUB; publishing: ");
Console.WriteLine("\t" + msg1);
Console.WriteLine("\t" + msg2);
socket.SendMessage(zmqMessage);
}
}
}
}
public void Send(Type type, byte[] message, Dictionary<string, string> headers = null)
{
IList<string> endPoints = _queueMappings[type.FullName];
foreach (string endPoint in endPoints)
{
Dictionary<string, object> messageHeaders = GetHeaders(type, headers, endPoint, "Send");
var serializedHeaders = JsonConvert.SerializeObject(messageHeaders);
var msg = new ZMessage();
msg.Append(new ZFrame(serializedHeaders));
msg.Append(new ZFrame(message));
// Send
_sender.SendMessage(msg);
}
}
internal void OnRecvMsg(BaseZmqWorker worker, ZMessage recvMsg)
{
using (recvMsg)
{
var startTime = DateTime.UtcNow;
using (recvMsg)
{
var clientAddr = recvMsg[0];
var clientData = recvMsg[2].Read();
var baseRequestMsg = MsgPackTool.GetMsg <BaseRequestMsg>(clientData);
var requestDataMsg = baseRequestMsg.Data;
var responseTask = ProcessRequest(requestDataMsg);
responseTask.Wait();
var responseMsg = responseTask.Result;
// if no session key, generate new
var sessionToken = baseRequestMsg.SessionToken;
if (string.IsNullOrEmpty(sessionToken))
{
sessionToken = GenerateSessionKey();
}
var baseResponseMsg = new BaseResponseMsg()
{
SessionToken = sessionToken,
RequestToken = baseRequestMsg.RequestToken,
Data = responseMsg,
};
var sendData = MsgPackTool.GetBytes(baseResponseMsg);
var messageToServer = new ZMessage();
messageToServer.Append(clientAddr);
messageToServer.Append(ZFrame.CreateEmpty());
messageToServer.Append(new ZFrame(sendData));
worker.workerSocket.SendMessage(messageToServer);
}
Logger.Trace("Receive Msg and Send used Time: {0:F5}s", (DateTime.UtcNow - startTime).TotalSeconds);
}
}
public void Send(string endPoint, Type type, byte[] message, Dictionary<string, string> headers = null)
{
lock (_lock)
{
Dictionary<string, object> messageHeaders = GetHeaders(type, headers, endPoint, "Send");
var serializedHeaders = JsonConvert.SerializeObject(messageHeaders);
var msg = new ZMessage();
msg.Append(new ZFrame(serializedHeaders));
msg.Append(new ZFrame(message));
// Reconnect if enpoint changed since the last message was sent.
//if (_senderEndpoint != endPoint)
//{
_senderEndpoint = endPoint;
_senderContext = new ZContext();
_sender = new ZSocket(_senderContext, ZSocketType.REQ);
_sender.Connect(endPoint);
//}
// Send
var poll = ZPollItem.CreateReceiver();
var timeout = TimeSpan.FromMilliseconds(1);
ZError error;
int retriesLeft = 3;
while (retriesLeft > 0)
{
// Outgoing
if (!_sender.SendMessage(msg, out error))
{
if (error == ZError.ETERM)
return; // Interrupted
throw new ZException(error);
}
// Incoming
ZMessage incoming;
while (true)
{
if (_sender.PollIn(poll, out incoming, out error, timeout))
{
using (incoming)
{
retriesLeft = 0;
break;
}
}
else
{
if (error == ZError.EAGAIN)
{
if (--retriesLeft == 0)
{
Logger.Error("Server seems to be offline, abandoning");
break;
}
Logger.Warn("No response from server, retrying…");
// Old socket is confused; close it and open a new one
_sender.Dispose();
_sender = new ZSocket(_senderContext, ZSocketType.REQ);
_sender.Connect(endPoint);
Logger.Info("I: reconnected");
// Send request again, on new socket
if (!_sender.SendMessage(msg, out error))
{
if (error == ZError.ETERM)
return; // Interrupted
throw new ZException(error);
}
continue;
}
if (error == ZError.ETERM)
return; // Interrupted
throw new ZException(error);
}
}
}
_sender.Dispose();
_senderContext.Dispose();
}
}
internal void OnRecvMsg(BaseZmqWorker worker, ZMessage recvMsg)
{
using (recvMsg)
{
var startTime = DateTime.UtcNow;
using (recvMsg)
{
var clientAddr = recvMsg[0];
var clientData = recvMsg[2].Read();
var baseRequestMsg = MsgPackTool.GetMsg<BaseRequestMsg>(clientData);
var requestDataMsg = baseRequestMsg.Data;
var responseTask = ProcessRequest(requestDataMsg);
responseTask.Wait();
var responseMsg = responseTask.Result;
// if no session key, generate new
var sessionToken = baseRequestMsg.SessionToken;
if (string.IsNullOrEmpty(sessionToken))
{
sessionToken = GenerateSessionKey();
}
var baseResponseMsg = new BaseResponseMsg()
{
SessionToken = sessionToken,
RequestToken = baseRequestMsg.RequestToken,
Data = responseMsg,
};
var sendData = MsgPackTool.GetBytes(baseResponseMsg);
var messageToServer = new ZMessage();
messageToServer.Append(clientAddr);
messageToServer.Append(ZFrame.CreateEmpty());
messageToServer.Append(new ZFrame(sendData));
worker.workerSocket.SendMessage(messageToServer);
}
Logger.Trace("Receive Msg and Send used Time: {0:F5}s", (DateTime.UtcNow - startTime).TotalSeconds);
}
}
