src/examples/ecore_con_url_download_example.c

   1 #include <stdio.h>
   2 #include <sys/types.h>
   3 #include <sys/stat.h>
   4 #include <fcntl.h>
   5 #include <Ecore.h>
   6 #include <Ecore_Con.h>
   7
   8 struct _request
   9 {
  10    long size;
  11 };
  12
  13 static Eina_Bool
  14 _url_progress_cb(void *data, int type, void *event_info)
  15 {
  16    Ecore_Con_Event_Url_Progress *url_progress = event_info;
  17    float percent;
  18
  19    if (url_progress->down.total > 0)
  20      {
  21         struct _request *req = ecore_con_url_data_get(url_progress->url_con);
  22         req->size = url_progress->down.now;
  23
  24         percent = (url_progress->down.now / url_progress->down.total) * 100;
  25         printf("Total of download complete: %0.1f (%0.0f)%%\n",
  26                percent, url_progress->down.now);
  27      }
  28
  29    return EINA_TRUE;
  30 }
  31
  32 static Eina_Bool
  33 _url_complete_cb(void *data, int type, void *event_info)
  34 {
  35    Ecore_Con_Event_Url_Complete *url_complete = event_info;
  36
  37    struct _request *req = ecore_con_url_data_get(url_complete->url_con);
  38    int nbytes = ecore_con_url_received_bytes_get(url_complete->url_con);
  39
  40    printf("\n");
  41    printf("download completed with status code: %d\n", url_complete->status);
  42    printf("Total size of downloaded file: %ld bytes\n", req->size);
  43    printf("Total size of downloaded file: %ld bytes "
  44           "(from received_bytes_get)\n", nbytes);
  45    ecore_main_loop_quit();
  46
  47    return EINA_TRUE;
  48 }
  49
  50 int
  51 main(int argc, const char *argv[])
  52 {
  53    Ecore_Con_Url *ec_url = NULL;
  54    struct _request *req;
  55    int fd;
  56    const char *filename = "downloadedfile.dat";
  57
  58    if (argc < 2)
  59      {
  60         printf("need one parameter: <url>\n");
  61         return -1;
  62      }
  63
  64    fd = open(filename, O_CREAT | O_WRONLY | O_TRUNC, 0644);
  65
  66    if (fd == -1)
  67      {
  68         printf("error: could not open file for writing: \"%s\"\n",
  69                filename);
  70         return -1;
  71      }
  72
  73    ecore_init();
  74    ecore_con_init();
  75    ecore_con_url_init();
  76
  77    ec_url = ecore_con_url_new(argv[1]);
  78    if (!ec_url)
  79      {
  80         printf("error when creating ecore con url object.\n");
  81         goto end;
  82      }
  83
  84    req = malloc(sizeof(*req));
  85    req->size = 0;
  86    ecore_con_url_data_set(ec_url, req);
  87
  88    ecore_con_url_fd_set(ec_url, fd);
  89
  90    ecore_event_handler_add(ECORE_CON_EVENT_URL_PROGRESS, _url_progress_cb, NULL);
  91    ecore_event_handler_add(ECORE_CON_EVENT_URL_COMPLETE, _url_complete_cb, NULL);
  92
  93    if (!ecore_con_url_get(ec_url))
  94      {
  95         printf("could not realize request.\n");
  96         goto free_ec_url;
  97      }
  98
  99    ecore_main_loop_begin();
 100
 101 free_ec_url:
 102    free(req);
 103    ecore_con_url_free(ec_url);
 104 end:
 105
 106    close(fd);
 107    ecore_con_url_shutdown();
 108    ecore_con_shutdown();
 109    ecore_shutdown();
 110
 111    return 0;
 112 }
 113