void CreateClient()
{
switch (_type)
{
case MQClientType.Request:
_clientSocket = _context.CreateRequestSocket();
break;
case MQClientType.Subscriber:
_clientSocket = _context.CreateSubscriberSocket();
break;
case MQClientType.Dealer:
_clientSocket = _context.CreateDealerSocket();
break;
case MQClientType.Stream:
_clientSocket = _context.CreateStreamSocket();
break;
case MQClientType.Pull:
_clientSocket = _context.CreatePullSocket();
break;
case MQClientType.XSubscriber:
_clientSocket = _context.CreateXSubscriberSocket();
break;
default:
_clientSocket = _context.CreateRequestSocket();
break;
}
_clientSocket.Connect("tcp://" + _ip + ":" + _port);
}
private static void ClientRoutine(object clientId)
{
try
{
using (NetMQContext context = NetMQContext.Create())
{
using (RequestSocket req = context.CreateRequestSocket())
{
req.Connect("tcp://localhost:5555");
byte[] message = Encoding.Unicode.GetBytes(string.Format("{0} Hello", clientId));
Console.WriteLine("Client {0} sent \"{0} Hello\"", clientId);
req.Send(message, message.Length);
bool hasMore;
byte[] response = req.Receive(false, out hasMore);
Console.WriteLine("Client {0} received \"{1}\"", clientId, Encoding.Unicode.GetString(response));
}
}
}
catch (Exception exc)
{
Console.WriteLine("Exception on ClientRoutine: {0}", exc.Message);
}
}
public RequestClient(string address)
{
_context = NetMQContext.Create();
_socket = _context.CreateRequestSocket();
_socket.Connect(address);
Console.WriteLine("RequestClient: connected to {0}", address);
}
private NetMQSocket GetOutboundSocket(NetMQContext context)
{
NetMQSocket socket;
switch (Connection.Pattern)
{
case MessagePattern.FireAndForget:
socket = context.CreatePushSocket();
socket.Connect(Connection.Address);
break;
case MessagePattern.RequestResponse:
socket = context.CreateRequestSocket();
socket.Connect(Connection.Address);
break;
case MessagePattern.PublishSubscribe:
socket = context.CreatePublisherSocket();
socket.Bind(Connection.Address);
break;
default:
throw new Exception($"Cannot create an outbound socket for pattern {Connection.Pattern}");
}
return(socket);
}
public static void Main(string[] args)
{
NetMQContext context = NetMQContext.Create();
NetMQSocket server = context.CreateRequestSocket();
server.Bind("tcp://*:5555");
NetMQMessage message = new NetMQMessage();
NetMQMessage getmass = new NetMQMessage();
message.Append("Hallo ");
message.Append(40);
Client client = new Client();
Thread t = new Thread(new ThreadStart(client.runClient));
t.Start();
while (true)
{
server.SendMessage(message, false);
getmass = server.ReceiveMessage(false);
System.Console.WriteLine(getmass.Pop().ConvertToString());
System.Console.WriteLine(getmass.Pop().ConvertToInt32());
}
}
static string Client(NetMQContext context, string endpoint, string requestText)
{
string answer = "";
using (NetMQSocket clientSocket = context.CreateRequestSocket())
{
clientSocket.Connect(endpoint);
// while (true)
// {
// Console.WriteLine("Please enter your message:");
clientSocket.Send(requestText);
answer = clientSocket.ReceiveString();
// Console.WriteLine("Answer from server: {0}", answer);
// if (message == "exit")
// {
// break;
// }
// }
}
return(answer);
}
static void Main(string[] args)
{
string connection = "inproc://HelloWorld";
using (NetMQContext ctx = NetMQContext.Create())
{
using (var server = ctx.CreateResponseSocket())
{
server.Bind(connection);
using (var client = ctx.CreateRequestSocket())
{
client.Connect(connection);
client.Send("Hello");
string fromClientMessage = server.ReceiveString();
Console.WriteLine("From Client: {0}", fromClientMessage);
server.Send("Hi Back");
string fromServerMessage = client.ReceiveString();
Console.WriteLine("From Server: {0}", fromServerMessage);
Console.ReadLine();
}
}
}
}
public void SimpleReqRep(string address)
{
using (NetMQContext ctx = NetMQContext.Create())
{
using (var rep = ctx.CreateResponseSocket())
{
rep.Bind(address);
using (var req = ctx.CreateRequestSocket())
{
req.Connect(address);
req.Send("Hi");
bool more;
string requestString = rep.ReceiveString(out more);
Assert.AreEqual("Hi", requestString);
Assert.IsFalse(more);
rep.Send("Hi2");
string responseString = req.ReceiveString(out more);
Assert.AreEqual("Hi2", responseString);
Assert.IsFalse(more);
}
}
}
}
public static void Client(NetMQContext context)
{
using (NetMQSocket clientSocket = context.CreateRequestSocket())
{
clientSocket.Connect("tcp://127.0.0.1:5555");
JavaScriptSerializer seriallizer = null;
while (true)
{
seriallizer = new JavaScriptSerializer();
Console.WriteLine("Please enter your message:");
string msg = Console.ReadLine();
NetMQMessage message = new NetMQMessage();
var msgBytes = Common.ByteConvertHelp.Object2Bytes(msg);
clientSocket.Send(msgBytes);
string answer = clientSocket.ReceiveString();
Console.WriteLine("Answer from server: {0}", answer);
if (msg == "exit")
{
break;
}
}
}
}
private static void Main(string[] args)
{
using (NetMQContext ctx = NetMQContext.Create())
{
using (var server = ctx.CreateResponseSocket())
{
server.Bind("tcp://127.0.0.1:5556");
using (var client = ctx.CreateRequestSocket())
{
client.Connect("tcp://127.0.0.1:5556");
client.Send("Hello");
string m1 = server.ReceiveString();
Console.WriteLine("From Client: {0}", m1);
server.Send("Hi Back");
string m2 = client.ReceiveString();
Console.WriteLine("From Server: {0}", m2);
Console.ReadLine();
}
}
}
}
/// <summary>
/// connects to the broker, if a socket already exists it will be disposed and
/// a new socket created and connected
/// MDP requires a REQUEST socket for a client
/// </summary>
/// <exception cref="ApplicationException">NetMQContext must not be <c>null</c></exception>
/// <exception cref="ApplicationException">if broker address is empty or <c>null</c></exception>
private void Connect()
{
if (!ReferenceEquals(m_client, null))
{
m_client.Dispose();
}
if (ReferenceEquals(m_ctx, null))
{
throw new ApplicationException("NetMQContext does not exist!");
}
m_client = m_ctx.CreateRequestSocket();
if (m_identity != null)
{
m_client.Options.Identity = m_identity;
}
// attach the event handler for incoming messages
m_client.ReceiveReady += ProcessReceiveReady;
m_client.Connect(m_brokerAddress);
m_connected = true;
Log(string.Format("[CLIENT] connecting to broker at {0}", m_brokerAddress));
}
public static string SendRequest(string request, int timeout = 5000)
{
string joshuaHost = "10.30.16.16";
string joshuaPort = "2804";
//logHandler.WriteLog(string.Format("Sent request: {0}", request));
using (NetMQContext context = NetMQContext.Create())
{
using (NetMQSocket clientSocket = context.CreateRequestSocket())
{
try
{
clientSocket.Connect(string.Format("tcp://{0}:{1}", joshuaHost, joshuaPort));
clientSocket.Options.ReceiveTimeout = TimeSpan.FromMilliseconds(timeout);
clientSocket.Send(request);
//logHandler.WriteLog(string.Format("Returning {0} bytes", bytes.Length));
return(clientSocket.ReceiveString());
}
catch (Exception e)
{
Console.WriteLine(string.Format("Exception getting data: {0}", e));
return(null);
}
}
}
}
public string GetQuoteInfoRaw(params string[] tickerListToQuote)
{
if (tickerListToQuote == null || !tickerListToQuote.Any())
{
return(string.Empty);
}
using (var client = context.CreateRequestSocket())
{
client.Connect(MarketDataSettings.SnapshotDataServerAddress);
var joinedList = string.Join(",", tickerListToQuote);
client.SendFrame(joinedList);
var response = client.ReceiveFrameString();
return(response);
}
}
internal NmqMessageSender(Uri serviceUri)
{
context = NetMQContext.Create();
socket = context.CreateRequestSocket();
var address = string.Format("tcp://{0}:{1}", serviceUri.Host, serviceUri.Port);
socket.Connect(address);
}
public void Monitoring()
{
ManualResetEvent listeningEvent = new ManualResetEvent(false);
ManualResetEvent acceptedEvent = new ManualResetEvent(false);
ManualResetEvent connectedEvent = new ManualResetEvent(false);
using (NetMQContext contex = NetMQContext.Create())
{
Poller poller = new Poller();
using (var rep = contex.CreateResponseSocket())
{
using (NetMQMonitor monitor = new NetMQMonitor(contex, rep, "inproc://rep.inproc", SocketEvent.Accepted | SocketEvent.Listening))
{
monitor.Accepted += (s, a) => acceptedEvent.Set();
monitor.Listening += (s, a) => listeningEvent.Set();
monitor.AttachToPoller(poller);
rep.Bind("tcp://127.0.0.1:5002");
using (var req = contex.CreateRequestSocket())
{
using (NetMQMonitor reqMonitor = new NetMQMonitor(contex, req, "inproc://req.inproc", SocketEvent.Connected))
{
reqMonitor.Connected += (s, a) => connectedEvent.Set();
reqMonitor.AttachToPoller(poller);
try
{
var pollerTask = Task.Factory.StartNew(poller.Start);
req.Connect("tcp://127.0.0.1:5002");
req.Send("a");
bool more;
string m = rep.ReceiveString(out more);
rep.Send("b");
string m2 = req.ReceiveString(out more);
Assert.IsTrue(listeningEvent.WaitOne(300));
Assert.IsTrue(connectedEvent.WaitOne(300));
Assert.IsTrue(acceptedEvent.WaitOne(300));
}
finally
{
poller.Stop();
}
}
}
}
}
}
}
public void Monitoring()
{
bool listening = false;
bool accepted = false;
using (NetMQContext contex = NetMQContext.Create())
{
using (var rep = contex.CreateResponseSocket())
{
using (NetMQMonitor monitor = new NetMQMonitor(contex, rep, "inproc://rep.inproc", SocketEvent.Accepted | SocketEvent.Listening))
{
monitor.Accepted += (s, a) =>
{
accepted = true;
//Console.WriteLine(a.Socket.LocalEndPoint.ToString());
};
monitor.Listening += (s, a) =>
{
listening = true;
Console.WriteLine(a.Socket.LocalEndPoint.ToString());
};
monitor.Timeout = TimeSpan.FromMilliseconds(100);
var pollerTask = Task.Factory.StartNew(monitor.Start);
rep.Bind("tcp://127.0.0.1:5002");
using (var req = contex.CreateRequestSocket())
{
req.Connect("tcp://127.0.0.1:5002");
req.Send("a");
bool more;
string m = rep.ReceiveString(out more);
rep.Send("b");
string m2 = req.ReceiveString(out more);
Thread.Sleep(200);
Assert.IsTrue(listening);
Assert.IsTrue(accepted);
monitor.Stop();
Thread.Sleep(200);
Assert.IsTrue(pollerTask.IsCompleted);
}
}
}
}
}
public RequestClientEx(NetMQContext context, string address)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
_socket = context.CreateRequestSocket();
_socket.Connect(address);
Console.WriteLine("RequestClientEx: connected to {0} ({1:x})", address, this.GetHashCode());
}
/// <summary>
/// just to create the REQ socket
/// </summary>
/// <param name="context">current NetMQContext</param>
/// <param name="id">the name for the client</param>
/// <returns>the connected REQ socket</returns>
private static RequestSocket CreateSocket(NetMQContext context, string id)
{
var client = context.CreateRequestSocket();
client.Options.Identity = Encoding.UTF8.GetBytes(id);
client.Options.Linger = TimeSpan.Zero;
// set the event to be called upon arrival of a message
client.ReceiveReady += OnClientReceiveReady;
client.Connect(Commons.QUEUE_FRONTEND);
return(client);
}
private static RequestSocket CreateServerSocket(NetMQContext context)
{
Console.WriteLine("C: Connecting to server...");
var client = context.CreateRequestSocket();
client.Connect(SERVER_ENDPOINT);
client.Options.Linger = TimeSpan.Zero;
client.ReceiveReady += ClientOnReceiveReady;
return(client);
}
static void Main()
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
using (NetMQContext context = NetMQContext.Create())
{
using (NetMQSocket socket = context.CreateRequestSocket())
{
Application.Run(new ConnectionForm(context, socket));
}
}
}
public byte[] GetSnapshot(string topic)
{
using (NetMQContext ctx = NetMQContext.Create())
{
using (RequestSocket socket = ctx.CreateRequestSocket())
{
socket.Connect(Address);
socket.Send(topic);
NetMQMessage message = socket.ReceiveMessage();
return(message.Last.ToByteArray());
}
}
}
public void ErrorCodeTest()
{
bool eventArrived = false;
using (NetMQContext contex = NetMQContext.Create())
{
using (var req = contex.CreateRequestSocket())
{
using (var rep = contex.CreateResponseSocket())
{
using (NetMQMonitor monitor =
new NetMQMonitor(contex, req, "inproc://rep.inproc", SocketEvent.ConnectDelayed))
{
monitor.ConnectDelayed += (s, a) =>
{
eventArrived = true;
};
monitor.Timeout = TimeSpan.FromMilliseconds(100);
var pollerTask = Task.Factory.StartNew(monitor.Start);
rep.Bind("tcp://127.0.0.1:5002");
req.Connect("tcp://127.0.0.1:5002");
req.Send("a");
bool more;
string m = rep.ReceiveString(out more);
rep.Send("b");
string m2 = req.ReceiveString(out more);
Thread.Sleep(200);
Assert.IsTrue(eventArrived);
monitor.Stop();
Thread.Sleep(200);
Assert.IsTrue(pollerTask.IsCompleted);
}
}
}
}
}
public SharpDBConnection GetConnection()
{
NetMQSocket socket = m_context.CreateRequestSocket();
socket.Options.CopyMessages = false;
socket.Options.Linger = TimeSpan.FromSeconds(5);
socket.Connect(ConnectionString);
var connection = new SharpDBConnection(this, socket, SerializerFactory());
m_connections.Add(connection);
return(connection);
}
private static RequestSocket CreateServerSocket(NetMQContext context)
{
Console.WriteLine("C: Connecting to server...");
var client = context.CreateRequestSocket();
client.Options.Linger = TimeSpan.Zero;
Guid guid = Guid.NewGuid();
client.Options.Identity = Encoding.Unicode.GetBytes(guid.ToString());
client.Connect(ServerEndpoint);
client.ReceiveReady += ClientOnReceiveReady;
return(client);
}
public static void Blow(string song, string notes)
{
new Thread(() => {
using (NetMQSocket request_socket = context.CreateRequestSocket()) {
request_socket.Connect(string.Format("tcp://{0}:{1}", Address, RequestPort));
request_socket.SendMore("blow").SendMore(song).Send(notes);
string response = request_socket.ReceiveString();
Console.WriteLine("[request_socket] Response: {0}", response);
request_socket.Close();
request_socket.Dispose();
}
}).Start();
}
public string Request(string service, string msg, int timeoutmsec)
{
string resp = string.Empty;
LinkAddress address = config.ReqRep.FindLinkAddress(service);
if (address == null)
{
return(resp);
}
bool pollResult = false;
string requestId = Guid.NewGuid().ToString();
using (NetMQContext context = NetMQContext.Create())
{
NetMQSocket client = context.CreateRequestSocket();
client.Options.Linger = TimeSpan.Zero;
client.Options.Identity = Encoding.UTF8.GetBytes(requestId);
client.Connect(address.Address);
try
{
byte[] data = Encoding.UTF8.GetBytes(msg);
client.Send(data);
}
catch (Exception)
{
client.Disconnect(address.Address);
client.Dispose();
return(resp);
}
client.ReceiveReady += ClientOnReceiveReady;
pollResult = client.Poll(TimeSpan.FromMilliseconds(timeoutmsec));
client.ReceiveReady -= ClientOnReceiveReady;
client.Disconnect(address.Address);
client.Dispose();
}
if (pollResult)
{
if (responseMsgs.ContainsKey(requestId))
{
responseMsgs.TryRemove(requestId, out resp);
}
}
return(resp);
}
private void start(CancellationToken token, string address, TaskCompletionSource <bool> ready)
{
using (var socket = _context.CreateRequestSocket())
{
socket.Connect(address);
ready.SetResult(true);
while (token.IsCancellationRequested == false)
{
var bytes = Encoding.ASCII.GetBytes(_id);
socket.Send(bytes);
var response = socket.Receive();
var message = Encoding.ASCII.GetString(response);
Console.WriteLine("[{0}] Received - {1}", _id, message);
}
}
}
private void CreateClient(NetMQContext ctx, string prefix)
{
Task.Run(() =>
{
var client = ctx.CreateRequestSocket();
clients.Add(client);
client.Connect("tcp://127.0.0.1:5556");
client.Send(string.Format("{0}Hello", prefix));
//read client message
var echoedServerMessage = client.ReceiveString();
Console.WriteLine(
"\r\nClient Prefix is : '{0}', Server Message : '{1}'",
prefix, echoedServerMessage);
});
}
public void TestKeepAlive()
{
// there is no way to test tcp keep alive without disconnect the cable, we just testing that is not crashing the system
using (NetMQContext context = NetMQContext.Create())
{
using (var responseSocket = context.CreateResponseSocket())
{
responseSocket.Options.TcpKeepalive = true;
responseSocket.Options.TcpKeepaliveIdle = TimeSpan.FromSeconds(5);
responseSocket.Options.TcpKeepaliveInterval = TimeSpan.FromSeconds(1);
responseSocket.Bind("tcp://127.0.0.1:5555");
using (var requestSocket = context.CreateRequestSocket())
{
requestSocket.Options.TcpKeepalive = true;
requestSocket.Options.TcpKeepaliveIdle = TimeSpan.FromSeconds(5);
requestSocket.Options.TcpKeepaliveInterval = TimeSpan.FromSeconds(1);
requestSocket.Connect("tcp://127.0.0.1:5555");
requestSocket.Send("1");
bool more;
string m = responseSocket.ReceiveString(out more);
Assert.IsFalse(more);
Assert.AreEqual("1", m);
responseSocket.Send("2");
string m2 = requestSocket.ReceiveString(out more);
Assert.IsFalse(more);
Assert.AreEqual("2", m2);
Assert.IsTrue(requestSocket.Options.TcpKeepalive);
Assert.AreEqual(TimeSpan.FromSeconds(5), requestSocket.Options.TcpKeepaliveIdle);
Assert.AreEqual(TimeSpan.FromSeconds(1), requestSocket.Options.TcpKeepaliveInterval);
Assert.IsTrue(responseSocket.Options.TcpKeepalive);
Assert.AreEqual(TimeSpan.FromSeconds(5), responseSocket.Options.TcpKeepaliveIdle);
Assert.AreEqual(TimeSpan.FromSeconds(1), responseSocket.Options.TcpKeepaliveInterval);
}
}
}
}
public void SendMessageInResponeBeforeReceiving()
{
using (NetMQContext ctx = NetMQContext.Create())
{
using (var rep = ctx.CreateResponseSocket())
{
rep.Bind("tcp://localhost:5001");
using (var req = ctx.CreateRequestSocket())
{
req.Connect("tcp://localhost:5001");
var ex = Assert.Throws <FiniteStateMachineException>(() => rep.Send("1"));
}
}
}
}
protected override NetMQSocket CreateClientSocket(NetMQContext context)
{
return context.CreateRequestSocket();
}
