1 /*****************************************************************************
2  *                                  _   _ ____  _
3  *  Project                     ___| | | |  _ \| |
4  *                             / __| | | | |_) | |
5  *                            | (__| |_| |  _ <| |___
6  *                             \___|\___/|_| \_\_____|
7  *
8  *  Copyright (c) 2000 David Odin (aka DindinX) for MandrakeSoft
9  */
10 /* <DESC>
11  * use the libcurl in a gtk-threaded application
12  * </DESC>
13  */
14 
15 #include <stdio.h>
16 #include <gtk/gtk.h>
17 
18 #include <curl/curl.h>
19 
20 GtkWidget *Bar;
21 
22 size_t my_write_func(void *ptr, size_t size, size_t nmemb, FILE *stream)
23 {
24   return fwrite(ptr, size, nmemb, stream);
25 }
26 
27 size_t my_read_func(void *ptr, size_t size, size_t nmemb, FILE *stream)
28 {
29   return fread(ptr, size, nmemb, stream);
30 }
31 
32 int my_progress_func(GtkWidget *bar,
33                      double t, /* dltotal */
34                      double d, /* dlnow */
35                      double ultotal,
36                      double ulnow)
37 {
38 /*  printf("%d / %d (%g %%)\n", d, t, d*100.0/t);*/
39   gdk_threads_enter();
40   gtk_progress_set_value(GTK_PROGRESS(bar), d*100.0/t);
41   gdk_threads_leave();
42   return 0;
43 }
44 
45 void *my_thread(void *ptr)
46 {
47   CURL *curl;
48   CURLcode res;
49   FILE *outfile;
50   gchar *url = ptr;
51 
52   curl = curl_easy_init();
53   if(curl) {
54     const char *filename = "test.curl";
55     outfile = fopen(filename, "wb");
56 
57     curl_easy_setopt(curl, CURLOPT_URL, url);
58     curl_easy_setopt(curl, CURLOPT_WRITEDATA, outfile);
59     curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, my_write_func);
60     curl_easy_setopt(curl, CURLOPT_READFUNCTION, my_read_func);
61     curl_easy_setopt(curl, CURLOPT_NOPROGRESS, 0L);
62     curl_easy_setopt(curl, CURLOPT_PROGRESSFUNCTION, my_progress_func);
63     curl_easy_setopt(curl, CURLOPT_PROGRESSDATA, Bar);
64 
65     res = curl_easy_perform(curl);
66 
67     fclose(outfile);
68     /* always cleanup */
69     curl_easy_cleanup(curl);
70   }
71 
72   return NULL;
73 }
74 
75 int main(int argc, char **argv)
76 {
77   GtkWidget *Window, *Frame, *Frame2;
78   GtkAdjustment *adj;
79 
80   /* Must initialize libcurl before any threads are started */
81   curl_global_init(CURL_GLOBAL_ALL);
82 
83   /* Init thread */
84   g_thread_init(NULL);
85 
86   gtk_init(&argc, &argv);
87   Window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
88   Frame = gtk_frame_new(NULL);
89   gtk_frame_set_shadow_type(GTK_FRAME(Frame), GTK_SHADOW_OUT);
90   gtk_container_add(GTK_CONTAINER(Window), Frame);
91   Frame2 = gtk_frame_new(NULL);
92   gtk_frame_set_shadow_type(GTK_FRAME(Frame2), GTK_SHADOW_IN);
93   gtk_container_add(GTK_CONTAINER(Frame), Frame2);
94   gtk_container_set_border_width(GTK_CONTAINER(Frame2), 5);
95   adj = (GtkAdjustment*)gtk_adjustment_new(0, 0, 100, 0, 0, 0);
96   Bar = gtk_progress_bar_new_with_adjustment(adj);
97   gtk_container_add(GTK_CONTAINER(Frame2), Bar);
98   gtk_widget_show_all(Window);
99 
100   if(!g_thread_create(&my_thread, argv[1], FALSE, NULL) != 0)
101     g_warning("can't create the thread");
102 
103 
104   gdk_threads_enter();
105   gtk_main();
106   gdk_threads_leave();
107   return 0;
108 }
109 
110