how to send and receive data in mql4 ?

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hi dear,

can i send and receive data in ea in mql4 using webrequest ? (send and receive via json or ... ?)

thanks

 

try this :

(place in experts folder) and the mqh file in Include folder

#property copyright "Forum.Thread"
#property link      "https://www.mql5.com/en/forum/351725"
#property version   "1.00"
#property description "Telegram  : https://t.me/lorentzor\nInstagram : @rlorentzo\nTwitter : @lorentzo_r\nLinkedIn : https://www.linkedin.com/in/lorentzor\nYoutube : https://www.youtube.com/channel/UCM0Lj06cAJagFWvSpb9N5zA\nFacebook  : @LorentzoR"
/* 
ways to connect .> : 
Telegram  : https://t.me/lorentzor
Instagram : https://www.instagram.com/rlorentzo /OR/ @rlorentzo
Twitter   : https://twitter.com/lorentzo_r /OR/ @lorentzo_r
LinkedIn  : https://www.linkedin.com/in/lorentzor
Youtube   : https://www.youtube.com/channel/UCM0Lj06cAJagFWvSpb9N5zA
Facebook  : https://www.facebook.com/LorentzoR /OR/ @LorentzoR
Mql5.com  : https://www.mql5.com/en/users/lorio
*/
#property strict
#include <LorioTools\WebRequests.mqh>
input string baseUrl="https://mql4.requestcatcher.com/";//Base URL : (the request will go there)
input wr_type requestType=wr_type_get;//Post Request : 
input uint requestTimeout=3000;//Request timeout milliseconds : 
input string referer="https://www.mql5.com/en/forum/351725";//Referer
enum uau{
ua_none=0,//None
ua_custom=1,//Custom (enter below)
ua_mozilla=2//Mozilla
};
input uau UserAgentUsed=ua_custom;//User Agent Used : 
string Mozilla="Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:80.0) Gecko/20100101 Firefox/80.0";
input string UserAgent="MT4/v1310 GR";//User Agent : 
input string param1Name="Param1";//Param 1 Name 
input string param1Data="Data1";//Param 1 Data 
input string param2Name="Param2";//Param 2 Name 
input string param2Data="Data2";//Param 2 Data
input string param3Name="Param3";//Param3 Name
input string param3Data="Data3";//Param3 Data

web_request WR;
int OnInit()
  {
  WR.SetupWithBasicHeaders(requestType,baseUrl,requestTimeout);
  if(referer!=""){WR.SetReferer(referer);}
  if(UserAgentUsed==ua_mozilla){WR.SetUserAgent(Mozilla);}
  if(UserAgentUsed==ua_custom){WR.SetUserAgent(UserAgent);}
  //parameters 
  if(param1Name!=""){WR.Parameters+param1Name=param1Data;}
  /* or
  if(param1Name!=""){WR.Parameters[param1Name]=param1Data;}
  */
  if(param2Name!=""){WR.Parameters+param2Name=param2Data;}
  if(param3Name!=""){WR.Parameters+param3Name=param3Data;}
  //WR.Cookies+"CookieLast"=TimeToString(TimeLocal(),TIME_DATE|TIME_MINUTES|TIME_SECONDS);
  simple_result result=WR.Send();
  Print("Errors : "+result.error);
  if(result.status==200)
    {
    Alert("response headers : \n"+result.response_headers+"\nresponse body : \n"+result.response_body);
    }
  return(INIT_SUCCEEDED);
  }
void OnDeinit(const int reason){}   
void OnTick(){}
 

Thank you for your reply.

is it for mql4 ?

i want to receive data in my EA, for exapmle power of USD or Corellation of EURUSD.

my question is how can receive data via json or any way.

thanks

 
Masoud1365:

Thank you for your reply.

is it for mql4 ?

i want to receive data in my EA, for exapmle power of USD or Corellation of EURUSD.

my question is how can receive data via json or any way.

thanks

it works on both platforms.

To do what you want , you will need to find a provider of the data you want.

and then code the json (or use a json library) to read the data this request returns

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