git.maemo.org Git - cinaest/blob - src/backends/google/curl-wrapper.vala

   1 public class CurlWrapper : Object {
   2         private Curl.EasyHandle curl;
   3         private string url = null;
   4         private SourceFunc callback = null;
   5         private StringBuilder result;
   6
   7         construct {
   8                 curl = new Curl.EasyHandle ();
   9                 // FIXME: Fremantle SDK doesn't come with certs
  10                 curl.setopt (Curl.Option.SSL_VERIFYPEER, 0);
  11         //      curl.setopt (Curl.Option.VERBOSE, 1);
  12         }
  13
  14         static construct {
  15                 Curl.global_init (Curl.GLOBAL_DEFAULT);
  16         }
  17
  18         private void* download_thread () {
  19                 curl.setopt (Curl.Option.WRITEFUNCTION, write_callback);
  20                 curl.setopt (Curl.Option.WRITEDATA, this);
  21                 curl.setopt (Curl.Option.URL, url);
  22                 var res = curl.perform ();
  23                 if (res != Curl.Code.OK)
  24                         print ("CURL: %d\n", res);
  25
  26                 if (callback != null)
  27                         Idle.add (callback);
  28                 callback = null;
  29
  30                 return null;
  31         }
  32
  33         [CCode (instance_pos = -1)]
  34         private size_t write_callback (void *buffer, size_t size, size_t nmemb) {
  35                 result.append_len ((string) buffer, (ssize_t) (size * nmemb));
  36
  37                 return size * nmemb;
  38         }
  39
  40         public async unowned string http_get (string _url) {
  41                 url = _url;
  42                 callback = http_get.callback;
  43                 result = new StringBuilder ();
  44                 try {
  45                         Thread.create(download_thread, false);
  46                 } catch (ThreadError e) {
  47                         critical ("Failed to create download thread\n");
  48                         return "";
  49                 }
  50
  51                 yield;
  52
  53                 return result.str;
  54         }
  55 }