static bool SendMsg(ZSocket sock, ZMessage msg, out ZError error)
{
error = ZError.None;
foreach (ZFrame frame in msg)
{
while (-1 == zmq.msg_send(frame.Ptr, sock.SocketPtr, (int)(/* ZSocketFlags.DontWait | */ ZSocketFlags.More)))
{
error = ZError.GetLastErr();
if (error == ZError.EINTR)
{
error = default(ZError);
continue;
}
/* if (error == ZError.EAGAIN)
* {
* error = default(ZError);
* Thread.Sleep(1);
*
* continue;
* } */
return(false);
}
}
return(true);
}
/// <summary>
/// 响应 服务器端
/// </summary>
/// <param name="port"></param>
/// <param name="messageHandler">不能为null，否则抛出异常,MessageHandler不能抛出异常</param>
public static void ReqServer(int port, Func <String, String> messageHandler)
{
//ZContext实例
using (ZContext context = new ZContext())
{
//ZSocket实例 响应
using (ZSocket responder = new ZSocket(context, ZSocketType.REP))
{
ZError zError = null;
bool result = responder.Bind($"tcp://*:{port}", out zError);
while (isRunning)
{
//接收消息
using (ZFrame request = responder.ReceiveFrame())
{
//Response socket always reply to the last client that sends a message.
String msg = request.ReadString(Encoding.UTF8);
String resp = messageHandler(msg);
responder.Send(new ZFrame(resp, Encoding.UTF8));
}
}
}
}
}
// The static constructor prepares static readonly fields
static zmq()
{
// Set once LibVersion to libversion()
int major, minor, patch;
version(out major, out minor, out patch);
LibraryVersion = new Version(major, minor, patch);
// Trigger static constructor
// TODO this is also done in the static initializer of ZError. Can this be unified?
var noError = ZError.GetLastErr();
var noSym = ZSymbol.None;
if (major >= 4)
{
// Current Version 4
// Use default delegate settings from field initializers.
// "Compatibility" is done by "disabling" old methods, or "redirecting" to new methods,
// so the developer is forced to work against the latest API
if (minor == 0)
{
sizeof_zmq_msg_t = sizeof_zmq_msg_t_v3;
}
}
else
{
throw VersionNotSupported(null, ">= v4");
}
}
private void LogError(ZError error, string context)
{
// TODO: this error handling is somewhat too subtle; the client should be able to retrieve it
if (error != ZError.ETERM)
{
Trace.TraceError("error on {0}: {1}", context, error.ToString());
}
}
private bool SubscriberHandler(ZSocket socket, out ZMessage message, out ZError error)
{
message = socket.ReceiveMessage();
String payload = message[1].ReadString();
this.event_socket.Send(new ZFrame(payload));
error = default(ZError);
return(true);
}
private bool AsyncHandler(ZSocket socket, out ZMessage message, out ZError error)
{
message = socket.ReceiveMessage();
String payload = message[0].ReadString();
socket.Send(new ZFrame(socket.IdentityString));
// do something with payload
excel.ActiveSheet.Cells[1, 1] = "FUUUUUCK!";
error = null;
return(true);
}
/// <summary>
/// Create a socket with the current context and the specified socket type.
/// </summary>
/// <param name="socketType">A <see cref="ZSocketType"/> value for the socket.</param>
/// <returns>A <see cref="ZSocket"/> instance with the current context and the specified socket type.</returns>
public static ZMonitor Create(ZContext context, string endpoint, out ZError error)
{
ZSocket socket;
if (null == (socket = ZSocket.Create(context, ZSocketType.PAIR, out error)))
{
return(default(ZMonitor));
}
return(new ZMonitor(context, socket, endpoint));
}
public static void ErrorChecker(ZError error)
{
if (error == ZError.ETERM)
{
return; // Interrupted
}
if (error != ZError.EAGAIN)
{
throw new ZException(error);
}
}
public static void SendMsg(ZSocket socket, string msg)
{
ZError error = null;
socket.SendFrame(new ZFrame("OOOO:" + msg), ZSocketFlags.DontWait, out error);
using (var reply = socket.ReceiveFrame(ZSocketFlags.DontWait, out error))
{
Console.WriteLine("Client::get reply:" + reply?.ReadString());
Thread.Sleep(new Random().Next(500, 900));
}
}
/// <summary>
/// 发送一次数据
/// </summary>
/// <param name="socket"></param>
/// <param name="str"></param>
/// <param name="error"></param>
/// <returns></returns>
public static bool SendOnce(this ZSocket socket, string str, out ZError error)
{
if (socket == null)
{
throw new System.ArgumentNullException(typeof(ZSocket).Name);
}
error = null;
using (var frame = new ZFrame(str, System.Text.Encoding.UTF8))
{
return(socket.SendFrame(frame, out error));
}
}
public void Stop(ZError error = null)
{
_serverToWorkerSocket?.Dispose();
if (error == null || error == ZError.ETERM)
{
// ignore it
return;
}
throw new ZException(error);
}
ZSocket CreateSocket(out ZError error)
{
var socket = new ZSocket(NetMqManager.Instance.Context, ZSocketType.REQ);
socket.Connect(ReqAddress);
socket.IdentityString = BaseNetMqServer.GenerateKey("CLIENT");
socket.Linger = TimeSpan.FromMilliseconds(1);
if (!socket.Connect(ReqAddress, out error))
{
return(null);
}
return(socket);
}
static bool ReceiveMsg(ZSocket sock, ref ZMessage message, out string address, out ZError error)
{
error = ZError.None;
// address = IPAddress.None;
address = string.Empty;
// STREAM: read frames: identity, body
// read the ip4 address from (ZFrame)frame.GetOption("Peer-Address")
int receiveCount = 2;
do
{
var frame = ZFrame.CreateEmpty();
while (-1 == zmq.msg_recv(frame.Ptr, sock.SocketPtr, (int)(/* ZSocketFlags.DontWait | */ ZSocketFlags.More)))
{
error = ZError.GetLastErr();
if (error == ZError.EINTR)
{
error = default(ZError);
continue;
}
frame.Close();
return(false);
}
if (message == null)
{
message = new ZMessage();
}
message.Add(frame);
if (receiveCount == 2)
{
if (default(string) == (address = frame.GetOption("Peer-Address", out error)))
{
// just ignore
error = default(ZError);
address = string.Empty;
}
}
} while (--receiveCount > 0);
return(true);
}
static ZSocket LPClient_CreateZSocket(ZContext context, string name, out ZError error)
{
// Helper function that returns a new configured socket
// connected to the Lazy Pirate queue
var requester = ZSocket.Create(context, ZSocketType.REQ);
requester.IdentityString = name;
if (!requester.Connect("tcp://127.0.0.1:5555", out error))
{
return(null);
}
return(requester);
}
//
// Lazy Pirate client
// Use zmq_poll (pollItem.PollIn) to do a safe request-reply
// To run, start lpserver and then randomly kill/restart it
//
// Author: metadings
//
public ZSocket LPClient_CreateZSocket(ZContext context, out ZError error)
{
// Helper function that returns a new configured socket
// connected to the Lazy Pirate queue
var requester = new ZSocket(context, ZSocketType.REQ);
requester.IdentityString = name;
requester.Linger = TimeSpan.FromMilliseconds(1);
if (!requester.Connect("tcp://localhost:" + port, out error))
{
return(null);
}
return(requester);
}
public static void ReceiveOnece(ZSocket socket)
{
ZError error = null;
using (var frame = socket.ReceiveFrame(out error))
{
if (error != null)
{
throw new Exception(error.Text);
}
Console.WriteLine("Server::Get-request::{0}", frame.ReadString());
Thread.Sleep(new Random().Next(100, 300));
var msg = new Random().Next(1000, 9999).ToString();
socket.SendFrame(new ZFrame("NONO::" + msg));
}
}
/// <summary>
/// Forwards requests from the frontend socket to the backend socket.
/// </summary>
protected override bool FrontendHandler(ZSocket sock, out ZMessage message, out ZError error)
{
error = default(ZError);
message = null;
// receiving scope
// STREAM: get 2 frames, identity and body
ZMessage incoming = null;
// IPAddress address = null;
string address;
if (!ReceiveMsg(sock, ref incoming, out address, out error))
{
return(false);
}
// sending scope
// DEALER: forward
using (incoming)
{
if (incoming[1].Length == 0)
{
return(true); // Ignore the Empty one
}
// Prepend empty delimiter between Identity frame and Data frame
incoming.Insert(1, new ZFrame());
// Prepend Peer-Address
incoming.Insert(2, new ZFrame(address));
try
{
if (!BackendSocket.Send(incoming, /* ZSocketFlags.DontWait, */ out error))
{
return(false);
}
}
finally {
incoming.Dismiss();
}
}
return(true);
}
static ZSocket LPClient_CreateZSocket(ZContext context, string name, out ZError error)
{
// Helper function that returns a new configured socket
// connected to the Lazy Pirate queue
var requester = new ZSocket(context, ZSocketType.REQ);
requester.IdentityString = name;
// The linger period determines how long pending messages which have yet to be sent to a peer shall linger in memory after a socket is closed
//Set linger period for socket shutdown
requester.Linger = TimeSpan.FromMilliseconds(1);
if (!requester.Connect("tcp://127.0.0.1:5555", out error))
{
return(null);
}
return(requester);
}
public void PollInSingle_CancelByContextClose()
{
Task task;
ZError error = null;
using (var context = new ZContext())
{
var socket = new ZSocket(context, ZSocketType.PAIR);
task = Task.Run(() =>
{
using (socket)
{
ZMessage message;
socket.PollIn(ZPollItem.CreateReceiver(), out message, out error);
}
});
}
Assert.IsTrue(task.Wait(1000));
Assert.AreEqual(ZError.ETERM, error);
}
/// <summary>
/// 接收一次数据
/// </summary>
/// <param name="socket"></param>
/// <param name="error"></param>
/// <returns></returns>
public static string RecvOnce(this ZSocket socket, out ZError error)
{
if (socket == null)
{
throw new System.ArgumentNullException(typeof(ZSocket).Name);
}
error = null;
using (var frame = socket.ReceiveFrame(ZSocketFlags.None, out error))
{
if (error != null)
{
return(null);
}
if (frame != null)
{
var str = frame.ReadString();
return(str);
}
}
return(null);
}
/// <summary>
/// Forwards replies from the backend socket to the frontend socket.
/// </summary>
protected override bool BackendHandler(ZSocket sock, out ZMessage message, out ZError error)
{
error = default(ZError);
message = null;
// receiving scope
// DEALER: normal movemsg
ZMessage incoming = null;
if (!sock.ReceiveMessage(ref incoming, /* ZSocketFlags.DontWait */ ZSocketFlags.None, out error))
{
return(false);
}
using (incoming)
{
// STREAM: write frames: identity, body, identity, empty
// Read identity
int ic = (int)incoming[0].Length;
var identityBytes = new byte[ic];
incoming[0].Read(identityBytes, 0, ic);
// Remove DEALER's delimiter
incoming.RemoveAt(1);
// Append Identity frame
var identity0 = new ZFrame(identityBytes);
incoming.Add(identity0);
// Append STREAM's empty delimiter frame
incoming.Add(new ZFrame());
if (!SendMsg(FrontendSocket, incoming, out error))
{
return(false);
}
}
return(true);
}
/// <summary>
/// Forwards requests from the frontend socket to the backend socket.
/// </summary>
protected override bool FrontendHandler(ZSocket sock, out ZMessage message, out ZError error)
{
error = default(ZError);
message = null;
// receiving scope
// STREAM: get 2 frames, identity and body
ZMessage incoming = null;
// IPAddress address = null;
string address;
if (!ReceiveMsg(sock, ref incoming, out address, out error))
{
return false;
}
// sending scope
// DEALER: forward
using (incoming)
{
if (incoming[1].Length == 0)
{
return true; // Ignore the Empty one
}
// Prepend empty delimiter between Identity frame and Data frame
incoming.Insert(1, new ZFrame());
// Prepend Peer-Address
incoming.Insert(2, new ZFrame(address));
if (!BackendSocket.Send(incoming, /* ZSocketFlags.DontWait, */ out error))
{
return false;
}
incoming.Dismiss();
}
return true;
}
/// <summary>
/// Forwards replies from the backend socket to the frontend socket.
/// </summary>
protected override bool BackendHandler(ZSocket sock, out ZMessage message, out ZError error)
{
error = default(ZError);
message = null;
// receiving scope
// DEALER: normal movemsg
ZMessage incoming = null;
if (!sock.ReceiveMessage(ref incoming, /* ZSocketFlags.DontWait */ ZSocketFlags.None, out error))
{
return false;
}
using (incoming)
{
// STREAM: write frames: identity, body, identity, empty
// Read identity
int ic = (int)incoming[0].Length;
var identityBytes = new byte[ic];
incoming[0].Read(identityBytes, 0, ic);
// Remove DEALER's delimiter
incoming.RemoveAt(1);
// Append Identity frame
var identity0 = new ZFrame(identityBytes);
incoming.Add(identity0);
// Append STREAM's empty delimiter frame
incoming.Add(new ZFrame());
if (!SendMsg(FrontendSocket, incoming, out error))
{
return false;
}
}
return true;
}
static ZSocket PPWorker_CreateZSocket(ZContext context, string name, out ZError error)
{
// Helper function that returns a new configured socket
// connected to the Paranoid Pirate queue
var worker = new ZSocket(context, ZSocketType.DEALER);
worker.IdentityString = name;
if (!worker.Connect("tcp://127.0.0.1:5556", out error))
{
return(null); // Interrupted
}
// Tell queue we're ready for work
using (var outgoing = new ZFrame(Worker.PPP_READY))
{
worker.Send(outgoing);
}
Console.WriteLine("I: worker ready");
return(worker);
}
public void PollInMany_CancelByContextClose()
{
Task task;
ZError error = null;
using (var context = new ZContext())
{
var socket = new ZSocket(context, ZSocketType.PAIR);
task = Task.Run(() =>
{
using (socket)
{
var sockets = new[] { socket };
var pollItems = new[] { ZPollItem.CreateReceiver() };
ZMessage[] messages;
sockets.PollIn(pollItems, out messages, out error, TimeSpan.Zero);
}
});
}
Assert.IsTrue(task.Wait(1000));
Assert.AreEqual(ZError.ETERM, error);
}
/// <summary>
/// Spawns a <see cref="ZSocketType.PAIR"/> socket that publishes all events for
/// the specified socket over the inproc transport at the given endpoint.
/// </summary>
public static bool Monitor(this ZSocket socket, string endpoint, ZMonitorEvents eventsToMonitor, out ZError error)
{
if (socket == null)
{
throw new ArgumentNullException("socket");
}
if (endpoint == null)
{
throw new ArgumentNullException("endpoint");
}
if (endpoint == string.Empty)
{
throw new ArgumentException("Unable to publish socket events to an empty endpoint.", "endpoint");
}
error = ZError.None;
using (var endpointPtr = DispoIntPtr.AllocString(endpoint))
{
while (-1 == zmq.socket_monitor(socket.SocketPtr, endpointPtr, (Int32)eventsToMonitor))
{
error = ZError.GetLastErr();
if (error == ZError.EINTR)
{
error = default(ZError);
continue;
}
return false;
}
}
return true;
}
/// <summary>
/// Spawns a <see cref="ZSocketType.PAIR"/> socket that publishes all events for
/// the specified socket over the inproc transport at the given endpoint.
/// </summary>
public static bool Monitor(this ZSocket socket, string endpoint, ZMonitorEvents eventsToMonitor, out ZError error)
{
if (socket == null)
{
throw new ArgumentNullException("socket");
}
if (endpoint == null)
{
throw new ArgumentNullException("endpoint");
}
if (endpoint == string.Empty)
{
throw new ArgumentException("Unable to publish socket events to an empty endpoint.", "endpoint");
}
error = ZError.None;
using (var endpointPtr = DispoIntPtr.AllocString(endpoint))
{
while (-1 == zmq.socket_monitor(socket.SocketPtr, endpointPtr, (Int32)eventsToMonitor))
{
error = ZError.GetLastErr();
if (error == ZError.EINTR)
{
error = default(ZError);
continue;
}
return(false);
}
}
return(true);
}
public static bool DefaultSendMessage(ZSocket socket, ZMessage message, out ZError error)
{
return(socket.Send(message, out error));
}
/// <summary>
/// Forwards replies from the backend socket to the frontend socket.
/// </summary>
protected override bool BackendHandler(ZSocket args, out ZMessage message, out ZError error)
{
return(BackendSocket.Forward(FrontendSocket, out message, out error));
}
/// <summary>
/// Spawns a <see cref="ZSocketType.PAIR"/> socket that publishes all events for
/// the specified socket over the inproc transport at the given endpoint.
/// </summary>
public static bool Monitor(this ZSocket socket, string endpoint, out ZError error)
{
return Monitor(socket, endpoint, ZMonitorEvents.AllEvents, out error);
}
public static bool DefaultReceiveMessage(ZSocket socket, out ZMessage message, out ZError error)
{
message = null;
return(socket.ReceiveMessage(ref message, out error));
}
void _RecvRoute(object obj)
{
using (var ctx = new ZContext())
using (var skt = new ZSocket(ctx, ZSocketType.SUB))
{
skt.SubscribeAll();
//skt.
//skt.SetOption(ZSocketOption.IDENTITY, "yoyotek.cn");
//skt.SetOption(ZSocketOption.RCVHWM, 0);
//skt.Subscribe("BDPK");
// WDPK, 五档盘口
// SDPK, 十档盘口
// ZBCJ，逐笔成交
// ZBWT，逐笔委托
// ZBDD，逐笔大单
// BDPK，百档盘口
// QQPK，期权盘口
skt.ReceiveHighWatermark = 0;
skt.MulticastRate = 10000;
skt.Connect(ConfigurationManager.AppSettings["ZMQServer"]);
while (true)
{
try
{
//var bytes = _udpClient.Receive(ref _ipEndPoint);
ZError zerr = new ZError(0);
//skt.SetOption(ZSocketOption.SUBSCRIBE, "");
var frms = skt.ReceiveFrames(100);
frms.ToList().AsParallel().ForAll(frm => {
var bytes = frm.Read();
//var str = frm.
//if (string.IsNullOrEmpty(str) || str == "UNKNOWN")
//{
// return null;
//}
//else
//{
// var dit = new Dictionary<string, string>();
// str.Split(new char[] { ';' }).ToList().ForEach(kv =>
// {
// var pair = kv.Split(new char[] { '=' });
// if (pair.Length == 2)
// dit.Add(pair[0], pair[1]);
// });
// return dit;
//}
//writelog("dzh_recvthread.log", "thread is:" + Thread.CurrentThread.ManagedThreadId.ToString() + " received!");
_ResolveDatagram(bytes);
frm.Close();
if (_hsAltered.Any() && QuoteChanged != null)
{
QuoteChanged();
}
});
}
catch (ThreadAbortException)
{
//LogManager.LogMgr.WriteLog(LogManager.LogFile.Trace, "UDP recv aborted.");
}
catch (System.Exception ex)
{
//LogManager.LogMgr.WriteLog(LogManager.LogFile.Error, "UDP recv err:" + ex.Message);
writelog(DateTime.Now.ToString("yyyyMMdd") + "\\exception.txt", ex.Message);
}
}
}
}
/// <summary>
/// 中间路由分发器
/// </summary>
/// <param name="routerPort">路由绑定端口</param>
/// <param name="dealerPort">分发绑定端口</param>
public static void RouterDealer(int routerPort, int dealerPort)
{
using (var router = new ZSocket(zContext, ZSocketType.ROUTER))
{
using (var dealer = new ZSocket(zContext, ZSocketType.DEALER))
{
router.Bind($"tcp://*:{routerPort}");
dealer.Bind($"tcp://*:{dealerPort}");
//初始化 Poll set
ZPollItem poll = ZPollItem.CreateReceiver();
//路由
//switch messages between sockets
ZError error = null;
ZMessage message = null;
DateTime lastErrorTime = DateTime.Now.AddDays(-1);
int logIntervalSeconds = 19;
long errorCount = 0;//错误次数
while (isRunning)
{
if (router.PollIn(poll, out message, out error, TimeSpan.FromMilliseconds(32)))
{
//转发消息
dealer.Send(message);
}
else
{
#region 处理错误
if (error != null && error.Number != ZError.EAGAIN.Number)
{
//Eagain表示重试
//记录日志
errorCount++;
if (errorCount > 1000000)
{
errorCount = 1;
}
if (errorCount % 10 == 0)
{
Thread.Sleep(10);
}
if ((DateTime.Now - lastErrorTime).TotalSeconds > logIntervalSeconds)
{
lastErrorTime = DateTime.Now;
NLogHelper.Error($"Router接收消息失败，错误码={error}");
}
}
#endregion
}
if (dealer.PollIn(poll, out message, out error, TimeSpan.FromMilliseconds(32)))
{
router.Send(message);
}
else
{
#region 处理错误
if (error != null && error.Number != ZError.EAGAIN.Number)
{
//Eagain表示重试
//记录日志
errorCount++;
if (errorCount > 1000000)
{
errorCount = 1;
}
if (errorCount % 10 == 0)
{
Thread.Sleep(10);
}
if ((DateTime.Now - lastErrorTime).TotalSeconds > logIntervalSeconds)
{
lastErrorTime = DateTime.Now;
NLogHelper.Error($"Router接收消息失败，错误码={error}");
}
}
#endregion
}
}
}
}
}
/// <summary>
/// PubSub Forwards the Subscription messages
/// </summary>
protected override bool BackendHandler(ZSocket args, out ZMessage message, out ZError error)
{
return BackendSocket.Forward(FrontendSocket, out message, out error);
}
/// <summary>
/// Create a socket with the current context and the specified socket type.
/// </summary>
/// <param name="socketType">A <see cref="ZSocketType"/> value for the socket.</param>
/// <returns>A <see cref="ZSocket"/> instance with the current context and the specified socket type.</returns>
public static ZMonitor Create(string endpoint, out ZError error)
{
return(Create(ZContext.Current, endpoint, out error));
}
static bool ReceiveMsg(ZSocket sock, ref ZMessage message, out string address, out ZError error)
{
error = ZError.None;
// address = IPAddress.None;
address = string.Empty;
// STREAM: read frames: identity, body
// read the ip4 address from (ZFrame)frame.GetOption("Peer-Address")
int receiveCount = 2;
do
{
var frame = ZFrame.CreateEmpty();
while (-1 == zmq.msg_recv(frame.Ptr, sock.SocketPtr, (int)(/* ZSocketFlags.DontWait | */ ZSocketFlags.More)))
{
error = ZError.GetLastErr();
if (error == ZError.EINTR)
{
error = default(ZError);
continue;
}
frame.Dispose();
return false;
}
if (message == null)
{
message = new ZMessage();
}
message.Add(frame);
if (receiveCount == 2)
{
if (default(string) == (address = frame.GetOption("Peer-Address", out error)))
{
// just ignore
error = default(ZError);
address = string.Empty;
}
}
} while (--receiveCount > 0);
return true;
}
static bool SendMsg(ZSocket sock, ZMessage msg, out ZError error)
{
error = ZError.None;
try
{
foreach (ZFrame frame in msg)
{
while (-1 == zmq.msg_send(frame.Ptr, sock.SocketPtr, (int)(/* ZSocketFlags.DontWait | */ ZSocketFlags.More)))
{
error = ZError.GetLastErr();
if (error == ZError.EINTR)
{
error = default(ZError);
continue;
}
/* if (error == ZError.EAGAIN)
{
error = default(ZError);
Thread.Sleep(1);
continue;
} */
return false;
}
}
}
finally
{
msg.Dismiss();
}
return true;
}
/// <summary>
/// Not implemented for the <see cref="StreamerDevice"/>.
/// </summary>
protected override bool BackendHandler(ZSocket args, out ZMessage message, out ZError error)
{
throw new NotSupportedException();
}
