libs/ardour/callback.cc

   1 #include <iostream>
   2 #include <string>
   3
   4 #include <sys/utsname.h>
   5 #include <curl/curl.h>
   6
   7 #include "pbd/compose.h"
   8 #include "ardour/callback.h"
   9
  10 using namespace std;
  11
  12 #define PING_URL "http://ardour.org/pingback/versioncheck"
  13
  14 static size_t
  15 curl_write_data (char *bufptr, size_t size, size_t nitems, void *ptr)
  16 {
  17         return size * nitems;
  18 }
  19
  20 static string
  21 watermark ()
  22 {
  23         return "";
  24 }
  25
  26 void
  27 call_the_mothership (const string& version)
  28 {
  29         CURL* c;
  30         struct utsname utb;
  31
  32         if (uname (&utb)) {
  33                 return;
  34         }
  35
  36         curl_global_init (CURL_GLOBAL_NOTHING);
  37
  38         c = curl_easy_init ();
  39
  40         string data;
  41         string wm;
  42
  43         data = string_compose ("version=%1&platform=%2 %3 %4", version, utb.sysname, utb.release, utb.machine);
  44
  45         wm = watermark();
  46         if (!wm.empty()) {
  47                 data += string_compose ("&watermark=%1", wm);
  48         }
  49
  50         curl_easy_setopt(c, CURLOPT_POSTFIELDS, data.c_str());
  51         curl_easy_setopt(c, CURLOPT_URL, PING_URL);
  52         curl_easy_setopt(c, CURLOPT_WRITEFUNCTION, curl_write_data);
  53         curl_easy_setopt(c, CURLOPT_WRITEDATA, 0);
  54
  55         std::cerr << "Callback to ardour.org ...\n";
  56
  57         char errbuf[CURL_ERROR_SIZE];
  58         curl_easy_setopt(c, CURLOPT_ERRORBUFFER, errbuf);
  59
  60         if (curl_easy_perform (c) == 0) {
  61
  62         }
  63
  64         curl_easy_cleanup (c);
  65 }