roy.marples.name Git - dhcpcd-ui/blob - src/dhcpcd-gtk/main.c

   1 /*
   2  * dhcpcd-gtk
   3  * Copyright 2009-2014 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 guint ani_timer;
  45 static int ani_counter;
  46 static bool online;
  47 static bool carrier;
  48
  49 struct watch {
  50         struct pollfd pollfd;
  51         guint 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;
 125         char *msg, *msgs, *tmp;
 126         DHCPCD_IF *ifs, *i;
 127
 128         ison = iscarrier = false;
 129         msgs = NULL;
 130         ifs = dhcpcd_interfaces(con);
 131         for (i = ifs; i; i = i->next) {
 132                 if (i->up)
 133                         ison = iscarrier = true;
 134                 if (!iscarrier && g_strcmp0(i->reason, "CARRIER") == 0)
 135                         iscarrier = true;
 136                 msg = dhcpcd_if_message(i);
 137                 if (msg) {
 138                         if (showif)
 139                                 g_message("%s", msg);
 140                         if (msgs) {
 141                                 tmp = g_strconcat(msgs, "\n", msg, NULL);
 142                                 g_free(msgs);
 143                                 g_free(msg);
 144                                 msgs = tmp;
 145                         } else
 146                                 msgs = msg;
 147                 } else if (showif)
 148                         g_message("%s: %s", i->ifname, i->reason);
 149         }
 150
 151         if (online != ison || carrier != iscarrier) {
 152                 online = ison;
 153                 if (ani_timer != 0) {
 154                         g_source_remove(ani_timer);
 155                         ani_timer = 0;
 156                         ani_counter = 0;
 157                 }
 158                 if (ison) {
 159                         animate_online(NULL);
 160                         ani_timer = g_timeout_add(300, animate_online, NULL);
 161                 } else if (iscarrier) {
 162                         animate_carrier(NULL);
 163                         ani_timer = g_timeout_add(500, animate_carrier, NULL);
 164                 } else {
 165                         gtk_status_icon_set_from_icon_name(status_icon,
 166                             "network-offline");
 167                 }
 168         }
 169         gtk_status_icon_set_tooltip_text(status_icon, msgs);
 170         g_free(msgs);
 171 }
 172
 173 void
 174 notify_close(void)
 175 {
 176 #ifdef NOTIFY
 177         if (nn != NULL)
 178                 notify_notification_close(nn, NULL);
 179 #endif
 180 }
 181
 182 #ifdef NOTIFY
 183 static char *notify_last_msg;
 184
 185 static void
 186 notify_closed(void)
 187 {
 188         nn = NULL;
 189 }
 190
 191 static void
 192 notify(const char *title, const char *msg, const char *icon)
 193 {
 194         char **msgs, **m;
 195
 196         if (msg == NULL)
 197                 return;
 198         /* Don't spam the same message */
 199         if (notify_last_msg) {
 200                         return;
 201                 if (notify_last_msg && strcmp(msg, notify_last_msg) == 0)
 202                         return;
 203                 g_free(notify_last_msg);
 204         }
 205         notify_last_msg = g_strdup(msg);
 206
 207         msgs = g_strsplit(msg, "\n", 0);
 208         for (m = msgs; *m; m++)
 209                 g_message("%s", *m);
 210         g_strfreev(msgs);
 211
 212         if (nn != NULL)
 213                 notify_notification_close(nn, NULL);
 214
 215 #if NOTIFY_CHECK_VERSION(0,7,0)
 216         nn = notify_notification_new(title, msg, icon);
 217         notify_notification_set_hint(nn, "transient",
 218             g_variant_new_boolean(TRUE));
 219 #else
 220         if (gtk_status_icon_get_visible(status_icon))
 221                 nn = notify_notification_new_with_status_icon(title,
 222                     msg, icon, status_icon);
 223         else
 224                 nn = notify_notification_new(title, msg, icon, NULL);
 225 #endif
 226
 227         notify_notification_set_timeout(nn, 5000);
 228         g_signal_connect(nn, "closed", G_CALLBACK(notify_closed), NULL);
 229         notify_notification_show(nn, NULL);
 230 }
 231 #else
 232 #  define notify(a, b, c)
 233 #endif
 234
 235 static void
 236 event_cb(DHCPCD_CONNECTION *con, DHCPCD_IF *i, _unused void *data)
 237 {
 238         char *msg;
 239         const char *icon;
 240
 241         g_message("interface event: %s: %s", i->ifname, i->reason);
 242         update_online(con, false);
 243
 244         /* We should ignore renew and stop so we don't annoy the user */
 245         if (g_strcmp0(i->reason, "RENEW") == 0 ||
 246             g_strcmp0(i->reason, "STOP") == 0)
 247                 return;
 248
 249         msg = dhcpcd_if_message(i);
 250         if (msg) {
 251                 g_message("%s", msg);
 252                 if (i->up)
 253                         icon = "network-transmit-receive";
 254                 //else
 255                 //      icon = "network-transmit";
 256                 if (!i->up)
 257                         icon = "network-offline";
 258                 notify(_("Network event"), msg, icon);
 259                 g_free(msg);
 260         }
 261 }
 262
 263 static void
 264 status_cb(DHCPCD_CONNECTION *con, const char *status, _unused void *data)
 265 {
 266         static char *last = NULL;
 267         char *version;
 268         const char *msg;
 269         bool refresh;
 270         WI_SCAN *w;
 271
 272         g_message("Status changed to %s", status);
 273         if (g_strcmp0(status, "down") == 0) {
 274                 msg = N_(last ?
 275                     "Connection to dhcpcd lost" : "dhcpcd not running");
 276                 if (ani_timer != 0) {
 277                         g_source_remove(ani_timer);
 278                         ani_timer = 0;
 279                         ani_counter = 0;
 280                 }
 281                 gtk_status_icon_set_from_icon_name(status_icon,
 282                     "network-offline");
 283                 gtk_status_icon_set_tooltip_text(status_icon, msg);
 284                 notify(_("No network"), msg, "network-offline");
 285                 dhcpcd_prefs_abort();
 286                 while (wi_scans) {
 287                         w = wi_scans->next;
 288                         dhcpcd_wi_scans_free(wi_scans->scans);
 289                         g_free(wi_scans);
 290                         wi_scans = w;
 291                 }
 292         } else {
 293                 if ((last == NULL || g_strcmp0(last, "down") == 0) &&
 294                     dhcpcd_command(con, "GetDhcpcdVersion", NULL, &version))
 295                 {
 296                         g_message(_("Connected to %s-%s"), "dhcpcd", version);
 297                         g_free(version);
 298                         refresh = true;
 299                 } else
 300                         refresh = false;
 301                 update_online(con, refresh);
 302         }
 303         last = g_strdup(status);
 304 }
 305
 306 static void
 307 scan_cb(DHCPCD_CONNECTION *con, DHCPCD_IF *i, _unused void *data)
 308 {
 309         WI_SCAN *w;
 310         DHCPCD_WI_SCAN *scans, *s1, *s2;
 311         char *txt, *t;
 312         const char *msg;
 313
 314         g_message(_("%s: Received scan results"), i->ifname);
 315         scans = dhcpcd_wi_scans(con, i);
 316         if (scans == NULL && dhcpcd_error(con) != NULL) {
 317                 g_warning("%s: %s", i->ifname, dhcpcd_error(con));
 318                 dhcpcd_error_clear(con);
 319         }
 320         for (w = wi_scans; w; w = w->next)
 321                 if (w->connection == con && w->interface == i)
 322                         break;
 323         if (w == NULL) {
 324                 w = g_malloc(sizeof(*w));
 325                 w->connection = con;
 326                 w->interface = i;
 327                 w->next = wi_scans;
 328                 wi_scans = w;
 329         } else {
 330                 txt = NULL;
 331                 msg = N_("New Access Point");
 332                 for (s1 = scans; s1; s1 = s1->next) {
 333                         for (s2 = w->scans; s2; s2 = s2->next)
 334                                 if (g_strcmp0(s1->ssid, s2->ssid) == 0)
 335                                         break;
 336                         if (s2 == NULL) {
 337                                 if (txt == NULL)
 338                                         txt = g_strdup(s1->ssid);
 339                                 else {
 340                                         msg = N_("New Access Points");
 341                                         t = g_strconcat(txt, "\n",
 342                                             s1->ssid, NULL);
 343                                         g_free(txt);
 344                                         txt = t;
 345                                 }
 346                         }
 347                 }
 348                 if (txt) {
 349                         notify(msg, txt, "network-wireless");
 350                         g_free(txt);
 351                 }
 352                 dhcpcd_wi_scans_free(w->scans);
 353         }
 354         w->scans = scans;
 355 }
 356
 357 static gboolean
 358 gio_callback(GIOChannel *gio, _unused GIOCondition c, _unused gpointer d)
 359 {
 360         int fd;
 361
 362         fd = g_io_channel_unix_get_fd(gio);
 363         dhcpcd_dispatch(fd);
 364         return true;
 365 }
 366
 367 static void
 368 delete_watch_cb(_unused DHCPCD_CONNECTION *con, const struct pollfd *fd,
 369     _unused void *data)
 370 {
 371         struct watch *w, *l;
 372
 373         l = NULL;
 374         for (w = watches; w; w = w->next) {
 375                 if (w->pollfd.fd == fd->fd) {
 376                         if (l == NULL)
 377                                 watches = w->next;
 378                         else
 379                                 l->next = w->next;
 380                         g_source_remove(w->eventid);
 381                         g_io_channel_unref(w->gio);
 382                         g_free(w);
 383                         break;
 384                 }
 385         }
 386 }
 387
 388 static void
 389 add_watch_cb(DHCPCD_CONNECTION *con, const struct pollfd *fd,
 390     _unused void *data)
 391 {
 392         struct watch *w;
 393         GIOChannel *gio;
 394         GIOCondition flags;
 395         guint eventid;
 396
 397         /* Remove any existing watch */
 398         delete_watch_cb(con, fd, data);
 399
 400         gio = g_io_channel_unix_new(fd->fd);
 401         if (gio == NULL) {
 402                 g_warning(_("Error creating new GIO Channel\n"));
 403                 return;
 404         }
 405         flags = 0;
 406         if (fd->events & POLLIN)
 407                 flags |= G_IO_IN;
 408         if (fd->events & POLLOUT)
 409                 flags |= G_IO_OUT;
 410         if (fd->events & POLLERR)
 411                 flags |= G_IO_ERR;
 412         if (fd->events & POLLHUP)
 413                 flags |= G_IO_HUP;
 414         if ((eventid = g_io_add_watch(gio, flags, gio_callback, con)) == 0) {
 415                 g_io_channel_unref(gio);
 416                 g_warning(_("Error creating watch\n"));
 417                 return;
 418         }
 419         w = g_malloc(sizeof(*w));
 420         memcpy(&w->pollfd, fd, sizeof(w->pollfd));
 421         w->eventid = eventid;
 422         w->gio = gio;
 423         w->next = watches;
 424         watches = w;
 425 }
 426
 427 int
 428 main(int argc, char *argv[])
 429 {
 430         char *error = NULL;
 431         char *version = NULL;
 432         DHCPCD_CONNECTION *con;
 433
 434         setlocale(LC_ALL, "");
 435         bindtextdomain(PACKAGE, NULL);
 436         bind_textdomain_codeset(PACKAGE, "UTF-8");
 437         textdomain(PACKAGE);
 438
 439         gtk_init(&argc, &argv);
 440         g_set_application_name("Network Configurator");
 441         gtk_icon_theme_append_search_path(gtk_icon_theme_get_default(),
 442             ICONDIR);
 443         status_icon = gtk_status_icon_new_from_icon_name("network-offline");
 444
 445         gtk_status_icon_set_tooltip_text(status_icon,
 446             _("Connecting to dhcpcd ..."));
 447         gtk_status_icon_set_visible(status_icon, true);
 448
 449 #ifdef NOTIFY
 450         notify_init(PACKAGE);
 451 #endif
 452
 453         g_message(_("Connecting ..."));
 454         con = dhcpcd_open(&error);
 455         if (con ==  NULL) {
 456                 g_critical("libdhcpcd: %s", error);
 457                 exit(EXIT_FAILURE);
 458         }
 459
 460         gtk_status_icon_set_tooltip_text(status_icon,
 461             _("Triggering dhcpcd ..."));
 462         online = false;
 463
 464         if (!dhcpcd_command(con, "GetVersion", NULL, &version)) {
 465                 g_critical("libdhcpcd: GetVersion: %s", dhcpcd_error(con));
 466                 exit(EXIT_FAILURE);
 467         }
 468         g_message(_("Connected to %s-%s"), "dhcpcd-dbus", version);
 469         g_free(version);
 470
 471         dhcpcd_set_watch_functions(con, add_watch_cb, delete_watch_cb, NULL);
 472         dhcpcd_set_signal_functions(con, event_cb, status_cb, scan_cb, NULL);
 473         if (dhcpcd_error(con)) {
 474                 g_critical("libdhcpcd: %s", dhcpcd_error(con));
 475                 exit(EXIT_FAILURE);
 476         }
 477
 478         menu_init(status_icon, con);
 479
 480         gtk_main();
 481         dhcpcd_close(con);
 482         return 0;
 483 }