58 lines
2 KiB
MQL5
58 lines
2 KiB
MQL5
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//+------------------------------------------------------------------+
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//| SocketIsConnected.mq5 |
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//| Copyright 2022, MetaQuotes Ltd. |
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//| https://www.mql5.com |
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//+------------------------------------------------------------------+
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#property description "Connects to a server via sockets and shows socket state."
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#property description "NB: Default 'Server' requires to allow 'www.mql5.com' in terminal settings - to use other servers, change the settings accordingly."
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#property script_show_inputs
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#include "..\..\Include\PRTF.mqh"
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input string Server = "www.mql5.com";
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input uint Port = 443;
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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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PRTF(Server);
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PRTF(Port);
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const int socket = PRTF(SocketCreate());
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if(PRTF(SocketConnect(socket, Server, Port, 5000)))
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{
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int i = 0;
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while(PRTF(SocketIsConnected(socket)) && !IsStopped())
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{
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PRTF(SocketIsReadable(socket));
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PRTF(SocketIsWritable(socket));
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Sleep(1000);
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if(++i >= 5)
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{
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PRTF(SocketClose(socket));
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}
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}
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}
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}
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//+------------------------------------------------------------------+
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/*
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Example:
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Server=www.mql5.com / ok
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Port=443 / ok
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SocketCreate()=1 / ok
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SocketConnect(socket,Server,Port,5000)=true / ok
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SocketIsConnected(socket)=true / ok
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SocketIsReadable(socket)=0 / ok
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SocketIsWritable(socket)=true / ok
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SocketIsConnected(socket)=true / ok
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SocketIsReadable(socket)=0 / ok
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SocketIsWritable(socket)=true / ok
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SocketClose(socket)=true / ok
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SocketIsConnected(socket)=false / NETSOCKET_INVALIDHANDLE(5270)
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*/
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//+------------------------------------------------------------------+
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