Send data from c++ program to php web server

Question

I have a php script running in a web server in order to perform some inserts into a database. This script receives some encrypted data, decrypts it and push it into the db.

The responsible to send this data is a C++ program (Running in Linux), this program will send a message of no more than 40 characters every 5 seconds.

I was thinking on call some bash script that opens the URL (http://myserver.com/myscript.php?message=adfafdadfasfasdfasdf) and receives the message by argument.

I dont want a complex solution, because I just need to open the URL, it is a unidirectional communication channel.

Some simple solution to do this?

Thanks!

Your solution seems reasonable given the constraints.

Matt
– Matt

2013-02-14 17:00:07 +00:00
Commented Feb 14, 2013 at 17:00 — Matt
– Matt, Commented Feb 14, 2013 at 17:00

that other guy · Accepted Answer · 2013-02-14 17:11:21Z

3

A more robust solution would be to use libcurl, which lets you open a http connection in a few lines. Here's the self contained example from the link:

#include <stdio.h>
#include <curl/curl.h>

int main(void)
{
  CURL *curl;
  CURLcode res;

  curl = curl_easy_init();
  if(curl) {
    curl_easy_setopt(curl, CURLOPT_URL, "http://example.com");
    /* example.com is redirected, so we tell libcurl to follow redirection */ 
    curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);

    /* Perform the request, res will get the return code */ 
    res = curl_easy_perform(curl);
    /* Check for errors */ 
    if(res != CURLE_OK)
      fprintf(stderr, "curl_easy_perform() failed: %s\n",
              curl_easy_strerror(res));

    /* always cleanup */ 
    curl_easy_cleanup(curl);
  }
  return 0;
}

answered Feb 14, 2013 at 17:11

that other guy

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Comments

syam · Accepted Answer · 2013-02-14 17:59:46Z

1

Since you don't need to parse the result of the HTTP query, you could just use system to call a standard utility like wget.

int retVal = system("wget -O- -q http://whatever.com/foo/bar");
// handle return value as per the system man page

This is basically the same as what you were thinking about, save the script indirection.

answered Feb 14, 2013 at 17:59

syam

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1 Comment

user1370912 Over a year ago

Thanks for the answers!! Finally I decided to use libcurl, very easy to use for my purposes :D

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