Port to GTK+-3
[dhcpcd-ui] / src / dhcpcd-gtk / main.c
1 /*
2  * dhcpcd-gtk
3  * Copyright 2009-2012 Roy Marples <roy@marples.name>
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  */
26
27 #include <locale.h>
28 #include <poll.h>
29 #include <stdlib.h>
30 #include <string.h>
31
32 #ifdef NOTIFY
33 #  include <libnotify/notify.h>
34 #ifndef NOTIFY_CHECK_VERSION
35 #  define NOTIFY_CHECK_VERSION(a,b,c) 0
36 #endif
37 static NotifyNotification *nn;
38 #endif
39
40 #include "config.h"
41 #include "dhcpcd-gtk.h"
42
43 static GtkStatusIcon *status_icon;
44 static int ani_timer;
45 static int ani_counter;
46 static bool online;
47 static bool carrier;
48
49 struct watch {
50         struct pollfd pollfd;
51         int eventid;
52         GIOChannel *gio;
53         struct watch *next;
54 };
55 static struct watch *watches;
56
57 WI_SCAN *wi_scans;
58
59 WI_SCAN *
60 wi_scan_find(DHCPCD_WI_SCAN *scan)
61 {
62         WI_SCAN *w;
63         DHCPCD_WI_SCAN *dw;
64
65         for (w = wi_scans; w; w = w->next) {
66                 for (dw = w->scans; dw; dw = dw->next)
67                         if (dw == scan)
68                                 break;
69                 if (dw)
70                         return w;
71         }
72         return NULL;
73 }
74
75 static gboolean
76 animate_carrier(_unused gpointer data)
77 {
78         const char *icon;
79         
80         if (ani_timer == 0)
81                 return false;
82
83         switch(ani_counter++) {
84         case 0:
85                 icon = "network-transmit";
86                 break;
87         case 1:
88                 icon = "network-receive";
89                 break;
90         default:
91                 icon = "network-idle";
92                 ani_counter = 0;
93                 break;
94         }
95         gtk_status_icon_set_from_icon_name(status_icon, icon);
96         return true;
97 }
98
99 static gboolean
100 animate_online(_unused gpointer data)
101 {
102         const char *icon;
103         
104         if (ani_timer == 0)
105                 return false;
106
107         if (ani_counter++ > 6) {
108                 ani_timer = 0;
109                 ani_counter = 0;
110                 return false;
111         }
112
113         if (ani_counter % 2 == 0)
114                 icon = "network-idle";
115         else
116                 icon = "network-transmit-receive";
117         gtk_status_icon_set_from_icon_name(status_icon, icon);
118         return true;
119 }
120
121 static void
122 update_online(DHCPCD_CONNECTION *con, bool showif)
123 {
124         bool ison, iscarrier, isstop;
125         char *msg, *msgs, *tmp;
126         DHCPCD_IF *ifs, *i, *j;
127
128         ison = iscarrier = false;
129         msgs = NULL;
130         ifs = dhcpcd_interfaces(con);
131         for (i = ifs; i; i = i->next) {
132                 if (showif)
133                         g_message("%s: %s", i->ifname, i->reason);
134                 if (strcmp(i->reason, "RELEASE") == 0 ||
135                     strcmp(i->reason, "STOP") == 0)
136                         continue;
137                 if (strcmp(i->type, "ipv4") != 0) {
138                         isstop = false;
139                         for (j = ifs; j; j = j->next)
140                                 if (strcmp(j->ifname, i->ifname) == 0 &&
141                                     strcmp(j->type, "ipv4") == 0)
142                                 {
143                                         if (strcmp(j->reason, "STOP") == 0)
144                                                 isstop = true;
145                                         break;
146                                 }
147                         if (isstop)
148                                 continue;
149                 }
150                 if (i->up)
151                         ison = iscarrier = true;
152                 if (!iscarrier && g_strcmp0(i->reason, "CARRIER") == 0)
153                         iscarrier = true;
154                 msg = dhcpcd_if_message(i);
155                 if (msgs) {
156                         tmp = g_strconcat(msgs, "\n", msg, NULL);
157                         g_free(msgs);
158                         g_free(msg);
159                         msgs = tmp;
160                 } else
161                         msgs = msg;
162         }
163
164         if (online != ison || carrier != iscarrier) {
165                 online = ison;
166                 if (ani_timer != 0) {
167                         g_source_remove(ani_timer);
168                         ani_timer = 0;
169                         ani_counter = 0;
170                 }
171                 if (ison) {
172                         animate_online(NULL);
173                         ani_timer = g_timeout_add(300, animate_online, NULL);
174                 } else if (iscarrier) {
175                         animate_carrier(NULL);
176                         ani_timer = g_timeout_add(500, animate_carrier, NULL);
177                 } else {
178                         gtk_status_icon_set_from_icon_name(status_icon,
179                             "network-offline");
180                 }
181         }
182         gtk_status_icon_set_tooltip_text(status_icon, msgs);
183         g_free(msgs);
184 }
185
186 void
187 notify_close(void)
188 {
189 #ifdef NOTIFY
190         if (nn != NULL)
191                 notify_notification_close(nn, NULL);
192 #endif
193 }
194
195 #ifdef NOTIFY
196 static char *notify_last_msg;
197
198 static void
199 notify_closed(void)
200 {
201         nn = NULL;
202 }
203
204 static void
205 notify(const char *title, const char *msg, const char *icon)
206 {
207         char **msgs, **m;
208
209         /* Don't spam the same message */
210         if (notify_last_msg) {
211                 if (strcmp(msg, notify_last_msg) == 0)
212                         return;
213                 g_free(notify_last_msg);
214         }
215         notify_last_msg = g_strdup(msg);
216
217         msgs = g_strsplit(msg, "\n", 0);
218         for (m = msgs; *m; m++)
219                 g_message("%s", *m);
220         g_strfreev(msgs);
221
222         if (nn != NULL)
223                 notify_notification_close(nn, NULL);
224
225 #if NOTIFY_CHECK_VERSION(0,7,0)
226         nn = notify_notification_new(title, msg, icon);
227         notify_notification_set_hint(nn, "transient",
228             g_variant_new_boolean(TRUE));
229 #else
230         if (gtk_status_icon_get_visible(status_icon))
231                 nn = notify_notification_new_with_status_icon(title,
232                     msg, icon, status_icon);
233         else
234                 nn = notify_notification_new(title, msg, icon, NULL);
235 #endif
236
237         notify_notification_set_timeout(nn, 5000);
238         g_signal_connect(nn, "closed", G_CALLBACK(notify_closed), NULL);
239         notify_notification_show(nn, NULL);
240 }
241 #else
242 #  define notify(a, b, c)
243 #endif
244
245 static void
246 event_cb(DHCPCD_CONNECTION *con, DHCPCD_IF *i, _unused void *data)
247 {
248         char *msg;
249         const char *icon;
250
251         g_message("%s: %s", i->ifname, i->reason);
252         update_online(con, false);
253         
254         /* We should ignore renew and stop so we don't annoy the user */
255         if (g_strcmp0(i->reason, "RENEW") == 0 ||
256             g_strcmp0(i->reason, "STOP") == 0)
257                 return;
258
259         msg = dhcpcd_if_message(i);
260         if (i->up)
261                 icon = "network-transmit-receive";
262         //else
263         //      icon = "network-transmit";
264         if (!i->up)
265                 icon = "network-offline";
266         notify(_("Network event"), msg, icon);
267         g_free(msg);
268 }
269
270 static void
271 status_cb(DHCPCD_CONNECTION *con, const char *status, _unused void *data)
272 {
273         static char *last = NULL;
274         char *version;
275         const char *msg;
276         bool refresh;
277         WI_SCAN *w;
278
279         g_message("Status changed to %s", status);
280         if (g_strcmp0(status, "down") == 0) {
281                 msg = N_(last ?
282                     "Connection to dhcpcd lost" : "dhcpcd not running");
283                 if (ani_timer != 0) {
284                         g_source_remove(ani_timer);
285                         ani_timer = 0;
286                         ani_counter = 0;
287                 }
288                 gtk_status_icon_set_from_icon_name(status_icon,
289                     "network-offline");
290                 gtk_status_icon_set_tooltip_text(status_icon, msg);
291                 notify(_("No network"), msg, "network-offline");
292                 dhcpcd_prefs_abort();
293                 while (wi_scans) {
294                         w = wi_scans->next;
295                         dhcpcd_wi_scans_free(wi_scans->scans);
296                         g_free(wi_scans);
297                         wi_scans = w;
298                 }
299         } else {
300                 if ((last == NULL || g_strcmp0(last, "down") == 0) &&
301                     dhcpcd_command(con, "GetDhcpcdVersion", NULL, &version))
302                 {
303                         g_message(_("Connected to %s-%s"), "dhcpcd", version);
304                         g_free(version);
305                         refresh = true;
306                 } else
307                         refresh = false;
308                 update_online(con, refresh);
309         }
310         last = g_strdup(status);
311 }
312
313 static void
314 scan_cb(DHCPCD_CONNECTION *con, DHCPCD_IF *i, _unused void *data)
315 {
316         WI_SCAN *w;
317         DHCPCD_WI_SCAN *scans, *s1, *s2;
318         char *txt, *t;
319         const char *msg;
320
321         g_message(_("%s: Received scan results"), i->ifname);
322         scans = dhcpcd_wi_scans(con, i);
323         if (scans == NULL && dhcpcd_error(con) != NULL) {
324                 g_warning("%s: %s", i->ifname, dhcpcd_error(con));
325                 dhcpcd_error_clear(con);
326         }
327         for (w = wi_scans; w; w = w->next)
328                 if (w->connection == con && w->interface == i)
329                         break;
330         if (w == NULL) {
331                 w = g_malloc(sizeof(*w));
332                 w->connection = con;
333                 w->interface = i;
334                 w->next = wi_scans;
335                 wi_scans = w;
336         } else {
337                 txt = NULL;
338                 msg = N_("New Access Point");
339                 for (s1 = scans; s1; s1 = s1->next) {
340                         for (s2 = w->scans; s2; s2 = s2->next)
341                                 if (g_strcmp0(s1->ssid, s2->ssid) == 0)
342                                         break;
343                         if (s2 == NULL) {
344                                 if (txt == NULL)
345                                         txt = g_strdup(s1->ssid);
346                                 else {
347                                         msg = N_("New Access Points");
348                                         t = g_strconcat(txt, "\n",
349                                             s1->ssid, NULL);
350                                         g_free(txt);
351                                         txt = t;
352                                 }
353                         }
354                 }
355                 if (txt) {
356                         notify(msg, txt, "network-wireless");
357                         g_free(txt);
358                 }
359                 dhcpcd_wi_scans_free(w->scans);
360         }
361         w->scans = scans;
362 }
363
364 static gboolean
365 gio_callback(GIOChannel *gio, _unused GIOCondition c, _unused gpointer d)
366 {
367         int fd;
368
369         fd = g_io_channel_unix_get_fd(gio);
370         dhcpcd_dispatch(fd);
371         return true;
372 }
373
374 static void
375 delete_watch_cb(_unused DHCPCD_CONNECTION *con, const struct pollfd *fd,
376     _unused void *data)
377 {
378         struct watch *w, *l;
379
380         l = NULL;
381         for (w = watches; w; w = w->next) {
382                 if (w->pollfd.fd == fd->fd) {
383                         if (l == NULL)
384                                 watches = w->next;
385                         else
386                                 l->next = w->next;
387                         g_source_remove(w->eventid);
388                         g_io_channel_unref(w->gio);
389                         g_free(w);
390                         break;
391                 }
392         }
393 }
394
395 static void
396 add_watch_cb(DHCPCD_CONNECTION *con, const struct pollfd *fd,
397     _unused void *data)
398 {
399         struct watch *w;
400         GIOChannel *gio;
401         int flags, eventid;
402
403         /* Remove any existing watch */
404         delete_watch_cb(con, fd, data);
405         
406         gio = g_io_channel_unix_new(fd->fd);
407         if (gio == NULL) {
408                 g_warning(_("Error creating new GIO Channel\n"));
409                 return;
410         }
411         flags = 0;
412         if (fd->events & POLLIN)
413                 flags |= G_IO_IN;
414         if (fd->events & POLLOUT)
415                 flags |= G_IO_OUT;
416         if (fd->events & POLLERR)
417                 flags |= G_IO_ERR;
418         if (fd->events & POLLHUP)
419                 flags |= G_IO_HUP;
420         if ((eventid = g_io_add_watch(gio, flags, gio_callback, con)) == 0) {
421                 g_io_channel_unref(gio);
422                 g_warning(_("Error creating watch\n"));
423                 return;
424         }
425         w = g_malloc(sizeof(*w));
426         memcpy(&w->pollfd, fd, sizeof(w->pollfd));
427         w->eventid = eventid;
428         w->gio = gio;
429         w->next = watches;
430         watches = w;
431 }
432
433 int
434 main(int argc, char *argv[])
435 {
436         char *error = NULL;
437         char *version = NULL;
438         DHCPCD_CONNECTION *con;
439                 
440         setlocale(LC_ALL, "");
441         bindtextdomain(PACKAGE, NULL);
442         bind_textdomain_codeset(PACKAGE, "UTF-8");
443         textdomain(PACKAGE); 
444
445         gtk_init(&argc, &argv);
446         g_set_application_name("Network Configurator");
447         gtk_icon_theme_append_search_path(gtk_icon_theme_get_default(),
448             ICONDIR);
449         status_icon = gtk_status_icon_new_from_icon_name("network-offline");
450
451         gtk_status_icon_set_tooltip_text(status_icon,
452             _("Connecting to dhcpcd ..."));
453         gtk_status_icon_set_visible(status_icon, true);
454
455 #ifdef NOTIFY
456         notify_init(PACKAGE);
457 #endif
458
459         g_message(_("Connecting ..."));
460         con = dhcpcd_open(&error);
461         if (con ==  NULL) {
462                 g_critical("libdhcpcd: %s", error);
463                 exit(EXIT_FAILURE);
464         }
465
466         gtk_status_icon_set_tooltip_text(status_icon,
467             _("Triggering dhcpcd ..."));
468         online = false;
469
470         if (!dhcpcd_command(con, "GetVersion", NULL, &version)) {
471                 g_critical("libdhcpcd: GetVersion: %s", dhcpcd_error(con));
472                 exit(EXIT_FAILURE);
473         }
474         g_message(_("Connected to %s-%s"), "dhcpcd-dbus", version);
475         g_free(version);
476
477         dhcpcd_set_watch_functions(con, add_watch_cb, delete_watch_cb, NULL);
478         dhcpcd_set_signal_functions(con, event_cb, status_cb, scan_cb, NULL);
479         if (dhcpcd_error(con)) {
480                 g_critical("libdhcpcd: %s", dhcpcd_error(con));
481                 exit(EXIT_FAILURE);
482         }
483
484         menu_init(status_icon, con);
485
486         gtk_main();
487         dhcpcd_close(con);
488         return 0;
489 }