roy.marples.name Git - dhcpcd-ui/blob - 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 }