Ding Li
53 lines
2.1 KiB
Plaintext
53 lines
2.1 KiB
Plaintext
//+------------------------------------------------------------------+
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//| TaskWorker.mq4 |
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//| Copyright 2017, Bear Two Technologies Co., Ltd. |
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//| dingmaotu@126.com |
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//+------------------------------------------------------------------+
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#property copyright "Copyright 2017, Bear Two Technologies Co., Ltd."
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#property link "dingmaotu@126.com"
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#property version "1.00"
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#property strict
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#include <Zmq/Zmq.mqh>
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//+------------------------------------------------------------------+
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//| Task worker in MQL (adapted from C++ version) |
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//| Connects PULL socket to tcp://localhost:5557 |
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//| Collects workloads from ventilator via that socket |
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//| Connects PUSH socket to tcp://localhost:5558 |
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//| Sends results to sink via that socket |
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//| |
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//| Olivier Chamoux <olivier.chamoux@fr.thalesgroup.com> |
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//+------------------------------------------------------------------+
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void OnStart()
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{
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//--- Share a single context in the terminal by the key "work"
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Context context("work");
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//--- Socket to receive messages on
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Socket receiver(context,ZMQ_PULL);
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receiver.connect("tcp://localhost:5557");
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//--- Socket to send messages to
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Socket sender(context,ZMQ_PUSH);
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sender.connect("tcp://localhost:5558");
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//--- Process tasks forever
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string progress="";
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while(!IsStopped())
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{
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ZmqMsg message;
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receiver.recv(message);
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//--- Workload in msecs
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int workload=(int)StringToInteger(message.getData());
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//--- Do the work
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Sleep(workload);
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//--- Send results to sink
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message.rebuild();
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sender.send(message);
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// Simple progress indicator for the viewer
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progress+=".";
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Comment(progress);
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}
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}
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//+------------------------------------------------------------------+
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