1 /*****************************************************************************
2 * _ _ ____ _
3 * Project ___| | | | _ \| |
4 * / __| | | | |_) | |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
7 *
8 * Copyright (c) 2000 - 2020 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
my_write_func(void * ptr,size_t size,size_t nmemb,FILE * stream)22 static 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
my_read_func(char * ptr,size_t size,size_t nmemb,FILE * stream)27 static size_t my_read_func(char *ptr, size_t size, size_t nmemb, FILE *stream)
28 {
29 return fread(ptr, size, nmemb, stream);
30 }
31
my_progress_func(GtkWidget * bar,double t,double d,double ultotal,double ulnow)32 static 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
my_thread(void * ptr)45 static void *my_thread(void *ptr)
46 {
47 CURL *curl;
48
49 curl = curl_easy_init();
50 if(curl) {
51 gchar *url = ptr;
52 const char *filename = "test.curl";
53 FILE *outfile = fopen(filename, "wb");
54
55 curl_easy_setopt(curl, CURLOPT_URL, url);
56 curl_easy_setopt(curl, CURLOPT_WRITEDATA, outfile);
57 curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, my_write_func);
58 curl_easy_setopt(curl, CURLOPT_READFUNCTION, my_read_func);
59 curl_easy_setopt(curl, CURLOPT_NOPROGRESS, 0L);
60 curl_easy_setopt(curl, CURLOPT_PROGRESSFUNCTION, my_progress_func);
61 curl_easy_setopt(curl, CURLOPT_PROGRESSDATA, Bar);
62
63 curl_easy_perform(curl);
64
65 fclose(outfile);
66 /* always cleanup */
67 curl_easy_cleanup(curl);
68 }
69
70 return NULL;
71 }
72
main(int argc,char ** argv)73 int main(int argc, char **argv)
74 {
75 GtkWidget *Window, *Frame, *Frame2;
76 GtkAdjustment *adj;
77
78 /* Must initialize libcurl before any threads are started */
79 curl_global_init(CURL_GLOBAL_ALL);
80
81 /* Init thread */
82 g_thread_init(NULL);
83
84 gtk_init(&argc, &argv);
85 Window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
86 Frame = gtk_frame_new(NULL);
87 gtk_frame_set_shadow_type(GTK_FRAME(Frame), GTK_SHADOW_OUT);
88 gtk_container_add(GTK_CONTAINER(Window), Frame);
89 Frame2 = gtk_frame_new(NULL);
90 gtk_frame_set_shadow_type(GTK_FRAME(Frame2), GTK_SHADOW_IN);
91 gtk_container_add(GTK_CONTAINER(Frame), Frame2);
92 gtk_container_set_border_width(GTK_CONTAINER(Frame2), 5);
93 adj = (GtkAdjustment*)gtk_adjustment_new(0, 0, 100, 0, 0, 0);
94 Bar = gtk_progress_bar_new_with_adjustment(adj);
95 gtk_container_add(GTK_CONTAINER(Frame2), Bar);
96 gtk_widget_show_all(Window);
97
98 if(!g_thread_create(&my_thread, argv[1], FALSE, NULL) != 0)
99 g_warning("can't create the thread");
100
101 gdk_threads_enter();
102 gtk_main();
103 gdk_threads_leave();
104 return 0;
105 }
106