Ding Li
51 lines
3.6 KiB
Plaintext
51 lines
3.6 KiB
Plaintext
//+------------------------------------------------------------------+
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//| WeatherUpdateClient.mq4 |
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//| Copyright 2016, Li Ding |
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//| dingmaotu@hotmail.com |
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//+------------------------------------------------------------------+
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#property copyright "Copyright 2016, Li Ding"
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#property link "dingmaotu@hotmail.com"
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#property version "1.00"
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#property strict
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#property show_inputs
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input string InpZipCode="10001"; // ZipCode to subscribe to, default is NYC, 10001
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#include <Zmq/Zmq.mqh>
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//+------------------------------------------------------------------+
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//| Script program start function |
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//+------------------------------------------------------------------+
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void OnStart()
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{
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Context context;
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// Socket to talk to server
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Print("Collecting updates from weather server…");
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Socket subscriber(context,ZMQ_SUB);
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subscriber.connect("tcp://localhost:5556");
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subscriber.subscribe(InpZipCode);
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// Process 100 updates
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int update_nbr;
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long total_temp=0;
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for(update_nbr=0; update_nbr<100; update_nbr++)
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{
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ZmqMsg update;
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long zipcode,temperature,relhumidity;
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subscriber.recv(update);
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string msg=update.getData();
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string msg_array[];
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StringSplit(msg,' ',msg_array);
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zipcode=StringToInteger(msg_array[0]);
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temperature = StringToInteger(msg_array[1]);
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relhumidity = StringToInteger(msg_array[2]);
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total_temp+=temperature;
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}
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PrintFormat("Average temperature for zipcode '%s' was %dF",
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InpZipCode,(int)(total_temp/update_nbr));
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}
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//+------------------------------------------------------------------+
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