network-monitor.c 16.8 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108
/* GIO - GLib Input, Output and Streaming Library
 *
 * Copyright 2011 Red Hat, Inc.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General
 * Public License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
 * Boston, MA 02111-1307, USA.
 */

#include "gio.h"

/* hack */
#define GIO_COMPILATION
#include "gnetworkmonitorbase.h"

#include <string.h>

/* Test data; the GInetAddresses and GInetAddressMasks get filled in
 * in main(). Each address in a TestAddress matches the mask in its
 * corresponding TestMask, and none of them match any of the other
 * masks. The addresses in unmatched don't match any of the masks.
 */

typedef struct {
  const char *string;
  GInetAddress *address;
} TestAddress;

typedef struct {
  const char *mask_string;
  GInetAddressMask *mask;
  TestAddress *addresses;
} TestMask;

TestAddress net127addrs[] = {
  { "127.0.0.1", NULL },
  { "127.0.0.2", NULL },
  { "127.0.0.255", NULL },
  { "127.0.1.0", NULL },
  { "127.0.255.0", NULL },
  { "127.0.255.0", NULL },
  { "127.255.255.255", NULL },
  { NULL, NULL }
};
TestMask net127 = { "127.0.0.0/8", NULL, net127addrs };

TestAddress net10addrs[] = {
  { "10.0.0.1", NULL },
  { "10.0.0.2", NULL },
  { "10.0.0.255", NULL },
  { NULL, NULL }
};
TestMask net10 = { "10.0.0.0/24", NULL, net10addrs };

TestAddress net192addrs[] = {
  { "192.168.0.1", NULL },
  { "192.168.0.2", NULL },
  { "192.168.0.255", NULL },
  { "192.168.1.0", NULL },
  { "192.168.15.0", NULL },
  { NULL, NULL }
};
TestMask net192 = { "192.168.0.0/20", NULL, net192addrs };

TestAddress netlocal6addrs[] = {
  { "::1", NULL },
  { NULL, NULL }
};
TestMask netlocal6 = { "::1/128", NULL, netlocal6addrs };

TestAddress netfe80addrs[] = {
  { "fe80::", NULL },
  { "fe80::1", NULL },
  { "fe80::21b:77ff:fea2:972a", NULL },
  { NULL, NULL }
};
TestMask netfe80 = { "fe80::/64", NULL, netfe80addrs };

TestAddress unmatched[] = {
  { "10.0.1.0", NULL },
  { "10.0.255.0", NULL },
  { "10.255.255.255", NULL },
  { "192.168.16.0", NULL },
  { "192.168.255.0", NULL },
  { "192.169.0.0", NULL },
  { "192.255.255.255", NULL },
  { "::2", NULL },
  { "1::1", NULL },
  { "fe80::1:0:0:0:0", NULL },
  { "fe80:8000::0:0:0:0", NULL },
  { NULL, NULL }
};

GInetAddressMask *ip4_default, *ip6_default;

static void
notify_handler (GObject    *object,
109 110
                GParamSpec *pspec,
                gpointer    user_data)
111 112 113 114 115 116 117 118
{
  gboolean *emitted = user_data;

  *emitted = TRUE;
}

static void
network_changed_handler (GNetworkMonitor *monitor,
119 120
                         gboolean         available,
                         gpointer         user_data)
121 122 123 124 125 126 127 128
{
  gboolean *emitted = user_data;

  *emitted = TRUE;
}

static void
assert_signals (GNetworkMonitor *monitor,
129 130 131
                gboolean         should_emit_notify,
                gboolean         should_emit_network_changed,
                gboolean         expected_network_available)
132 133 134 135 136
{
  gboolean emitted_notify = FALSE, emitted_network_changed = FALSE;
  guint h1, h2;

  h1 = g_signal_connect (monitor, "notify::network-available",
137 138
                         G_CALLBACK (notify_handler),
                         &emitted_notify);
139
  h2 = g_signal_connect (monitor, "network-changed",
140 141
                         G_CALLBACK (network_changed_handler),
                         &emitted_network_changed);
142 143 144 145 146 147 148 149 150 151 152 153

  g_main_context_iteration (NULL, FALSE);

  g_signal_handler_disconnect (monitor, h1);
  g_signal_handler_disconnect (monitor, h2);

  g_assert (emitted_notify == should_emit_notify);
  g_assert (emitted_network_changed == should_emit_network_changed);

  g_assert (g_network_monitor_get_network_available (monitor) == expected_network_available);
}

154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196
typedef struct {
  GNetworkMonitor *monitor;
  GMainLoop       *loop;
  GSocketAddress  *sockaddr;
  gboolean         should_be_reachable;
} CanReachData;

static void
reach_cb (GObject      *source,
          GAsyncResult *res,
          gpointer      user_data)
{
  GError *error = NULL;
  gboolean reachable;
  CanReachData *data = user_data;

  reachable = g_network_monitor_can_reach_finish (data->monitor, res, &error);

  if (data->should_be_reachable)
    g_assert_no_error (error);
  else
    {
      g_assert (error != NULL);
      g_clear_error (&error);
    }
  g_assert (reachable == data->should_be_reachable);

  g_main_loop_quit (data->loop);
}

static gboolean
test_reach_async (gpointer user_data)
{
  CanReachData *data = user_data;

  g_network_monitor_can_reach_async (data->monitor,
                                     G_SOCKET_CONNECTABLE (data->sockaddr),
                                     NULL,
                                     reach_cb,
                                     data);
  return G_SOURCE_REMOVE;
}

197 198
static void
run_tests (GNetworkMonitor *monitor,
199 200
           TestAddress     *addresses,
           gboolean         should_be_reachable)
201 202 203 204 205
{
  GError *error = NULL;
  int i;
  gboolean reachable;
  GSocketAddress *sockaddr;
206 207 208 209
  CanReachData data;

  data.monitor = monitor;
  data.loop = g_main_loop_new (NULL, FALSE);
210 211 212 213 214

  for (i = 0; addresses[i].address; i++)
    {
      sockaddr = g_inet_socket_address_new (addresses[i].address, 0);
      reachable = g_network_monitor_can_reach (monitor,
215 216 217 218 219 220 221 222
                                               G_SOCKET_CONNECTABLE (sockaddr),
                                               NULL, &error);
      data.sockaddr = sockaddr;
      data.should_be_reachable = should_be_reachable;

      g_idle_add (test_reach_async, &data);
      g_main_loop_run (data.loop);

223 224 225
      g_object_unref (sockaddr);
      g_assert_cmpint (reachable, ==, should_be_reachable);
      if (should_be_reachable)
226
        g_assert_no_error (error);
227
      else
228 229 230 231
        {
          g_assert (error != NULL);
          g_clear_error (&error);
        }
232 233 234 235 236 237
    }
}

static void
test_default (void)
{
238
  GNetworkMonitor *monitor, *m;
239 240
  GError *error = NULL;

241 242 243
  m = g_network_monitor_get_default ();
  g_assert (G_IS_NETWORK_MONITOR (m));

244 245 246 247 248 249 250 251 252 253 254 255
  monitor = g_initable_new (G_TYPE_NETWORK_MONITOR_BASE, NULL, &error, NULL);
  g_assert_no_error (error);

  /* In the default configuration, all addresses are reachable */
  run_tests (monitor, net127.addresses, TRUE);
  run_tests (monitor, net10.addresses, TRUE);
  run_tests (monitor, net192.addresses, TRUE);
  run_tests (monitor, netlocal6.addresses, TRUE);
  run_tests (monitor, netfe80.addresses, TRUE);
  run_tests (monitor, unmatched, TRUE);

  assert_signals (monitor, FALSE, FALSE, TRUE);
256 257

  g_object_unref (monitor);
258 259 260 261 262 263 264 265 266 267 268 269 270
}

static void
test_remove_default (void)
{
  GNetworkMonitor *monitor;
  GError *error = NULL;

  monitor = g_initable_new (G_TYPE_NETWORK_MONITOR_BASE, NULL, &error, NULL);
  g_assert_no_error (error);
  assert_signals (monitor, FALSE, FALSE, TRUE);

  g_network_monitor_base_remove_network (G_NETWORK_MONITOR_BASE (monitor),
271
                                         ip4_default);
272 273
  assert_signals (monitor, FALSE, TRUE, TRUE);
  g_network_monitor_base_remove_network (G_NETWORK_MONITOR_BASE (monitor),
274
                                         ip6_default);
275 276 277 278 279 280 281 282 283
  assert_signals (monitor, TRUE, TRUE, FALSE);

  /* Now nothing should be reachable */
  run_tests (monitor, net127.addresses, FALSE);
  run_tests (monitor, net10.addresses, FALSE);
  run_tests (monitor, net192.addresses, FALSE);
  run_tests (monitor, netlocal6.addresses, FALSE);
  run_tests (monitor, netfe80.addresses, FALSE);
  run_tests (monitor, unmatched, FALSE);
284 285

  g_object_unref (monitor);
286 287 288 289 290 291 292 293 294 295 296 297 298
}

static void
test_add_networks (void)
{
  GNetworkMonitor *monitor;
  GError *error = NULL;

  monitor = g_initable_new (G_TYPE_NETWORK_MONITOR_BASE, NULL, &error, NULL);
  g_assert_no_error (error);
  assert_signals (monitor, FALSE, FALSE, TRUE);

  g_network_monitor_base_remove_network (G_NETWORK_MONITOR_BASE (monitor),
299
                                         ip4_default);
300 301
  assert_signals (monitor, FALSE, TRUE, TRUE);
  g_network_monitor_base_remove_network (G_NETWORK_MONITOR_BASE (monitor),
302
                                         ip6_default);
303 304 305 306 307
  assert_signals (monitor, TRUE, TRUE, FALSE);

  /* Now add the masks one by one */

  g_network_monitor_base_add_network (G_NETWORK_MONITOR_BASE (monitor),
308
                                      net127.mask);
309 310 311 312 313 314 315 316 317 318
  assert_signals (monitor, FALSE, TRUE, FALSE);

  run_tests (monitor, net127.addresses, TRUE);
  run_tests (monitor, net10.addresses, FALSE);
  run_tests (monitor, net192.addresses, FALSE);
  run_tests (monitor, netlocal6.addresses, FALSE);
  run_tests (monitor, netfe80.addresses, FALSE);
  run_tests (monitor, unmatched, FALSE);

  g_network_monitor_base_add_network (G_NETWORK_MONITOR_BASE (monitor),
319
                                      net10.mask);
320 321 322 323 324 325 326 327 328
  assert_signals (monitor, FALSE, TRUE, FALSE);
  run_tests (monitor, net127.addresses, TRUE);
  run_tests (monitor, net10.addresses, TRUE);
  run_tests (monitor, net192.addresses, FALSE);
  run_tests (monitor, netlocal6.addresses, FALSE);
  run_tests (monitor, netfe80.addresses, FALSE);
  run_tests (monitor, unmatched, FALSE);

  g_network_monitor_base_add_network (G_NETWORK_MONITOR_BASE (monitor),
329
                                      net192.mask);
330 331 332 333 334 335 336 337 338
  assert_signals (monitor, FALSE, TRUE, FALSE);
  run_tests (monitor, net127.addresses, TRUE);
  run_tests (monitor, net10.addresses, TRUE);
  run_tests (monitor, net192.addresses, TRUE);
  run_tests (monitor, netlocal6.addresses, FALSE);
  run_tests (monitor, netfe80.addresses, FALSE);
  run_tests (monitor, unmatched, FALSE);

  g_network_monitor_base_add_network (G_NETWORK_MONITOR_BASE (monitor),
339
                                      netlocal6.mask);
340 341 342 343 344 345 346 347 348
  assert_signals (monitor, FALSE, TRUE, FALSE);
  run_tests (monitor, net127.addresses, TRUE);
  run_tests (monitor, net10.addresses, TRUE);
  run_tests (monitor, net192.addresses, TRUE);
  run_tests (monitor, netlocal6.addresses, TRUE);
  run_tests (monitor, netfe80.addresses, FALSE);
  run_tests (monitor, unmatched, FALSE);

  g_network_monitor_base_add_network (G_NETWORK_MONITOR_BASE (monitor),
349
                                      netfe80.mask);
350 351 352 353 354 355 356
  assert_signals (monitor, FALSE, TRUE, FALSE);
  run_tests (monitor, net127.addresses, TRUE);
  run_tests (monitor, net10.addresses, TRUE);
  run_tests (monitor, net192.addresses, TRUE);
  run_tests (monitor, netlocal6.addresses, TRUE);
  run_tests (monitor, netfe80.addresses, TRUE);
  run_tests (monitor, unmatched, FALSE);
357 358

  g_object_unref (monitor);
359 360 361 362 363 364 365 366 367 368 369 370 371
}

static void
test_remove_networks (void)
{
  GNetworkMonitor *monitor;
  GError *error = NULL;

  monitor = g_initable_new (G_TYPE_NETWORK_MONITOR_BASE, NULL, &error, NULL);
  g_assert_no_error (error);
  assert_signals (monitor, FALSE, FALSE, TRUE);

  g_network_monitor_base_remove_network (G_NETWORK_MONITOR_BASE (monitor),
372
                                         ip4_default);
373 374
  assert_signals (monitor, FALSE, TRUE, TRUE);
  g_network_monitor_base_remove_network (G_NETWORK_MONITOR_BASE (monitor),
375
                                         ip6_default);
376 377 378 379
  assert_signals (monitor, TRUE, TRUE, FALSE);

  /* First add them */
  g_network_monitor_base_add_network (G_NETWORK_MONITOR_BASE (monitor),
380
                                      net127.mask);
381 382
  assert_signals (monitor, FALSE, TRUE, FALSE);
  g_network_monitor_base_add_network (G_NETWORK_MONITOR_BASE (monitor),
383
                                      net10.mask);
384 385
  assert_signals (monitor, FALSE, TRUE, FALSE);
  g_network_monitor_base_add_network (G_NETWORK_MONITOR_BASE (monitor),
386
                                      net192.mask);
387 388
  assert_signals (monitor, FALSE, TRUE, FALSE);
  g_network_monitor_base_add_network (G_NETWORK_MONITOR_BASE (monitor),
389
                                      netlocal6.mask);
390 391
  assert_signals (monitor, FALSE, TRUE, FALSE);
  g_network_monitor_base_add_network (G_NETWORK_MONITOR_BASE (monitor),
392
                                      netfe80.mask);
393 394 395 396 397 398 399 400 401 402 403
  assert_signals (monitor, FALSE, TRUE, FALSE);

  run_tests (monitor, net127.addresses, TRUE);
  run_tests (monitor, net10.addresses, TRUE);
  run_tests (monitor, net192.addresses, TRUE);
  run_tests (monitor, netlocal6.addresses, TRUE);
  run_tests (monitor, netfe80.addresses, TRUE);
  run_tests (monitor, unmatched, FALSE);

  /* Now remove them one by one */
  g_network_monitor_base_remove_network (G_NETWORK_MONITOR_BASE (monitor),
404
                                         net127.mask);
405 406 407 408 409 410 411 412 413
  assert_signals (monitor, FALSE, TRUE, FALSE);
  run_tests (monitor, net127.addresses, FALSE);
  run_tests (monitor, net10.addresses, TRUE);
  run_tests (monitor, net192.addresses, TRUE);
  run_tests (monitor, netlocal6.addresses, TRUE);
  run_tests (monitor, netfe80.addresses, TRUE);
  run_tests (monitor, unmatched, FALSE);

  g_network_monitor_base_remove_network (G_NETWORK_MONITOR_BASE (monitor),
414
                                         net10.mask);
415 416 417 418 419 420 421 422 423
  assert_signals (monitor, FALSE, TRUE, FALSE);
  run_tests (monitor, net127.addresses, FALSE);
  run_tests (monitor, net10.addresses, FALSE);
  run_tests (monitor, net192.addresses, TRUE);
  run_tests (monitor, netlocal6.addresses, TRUE);
  run_tests (monitor, netfe80.addresses, TRUE);
  run_tests (monitor, unmatched, FALSE);

  g_network_monitor_base_remove_network (G_NETWORK_MONITOR_BASE (monitor),
424
                                         net192.mask);
425 426 427 428 429 430 431 432 433
  assert_signals (monitor, FALSE, TRUE, FALSE);
  run_tests (monitor, net127.addresses, FALSE);
  run_tests (monitor, net10.addresses, FALSE);
  run_tests (monitor, net192.addresses, FALSE);
  run_tests (monitor, netlocal6.addresses, TRUE);
  run_tests (monitor, netfe80.addresses, TRUE);
  run_tests (monitor, unmatched, FALSE);

  g_network_monitor_base_remove_network (G_NETWORK_MONITOR_BASE (monitor),
434
                                         netlocal6.mask);
435 436 437 438 439 440 441 442 443
  assert_signals (monitor, FALSE, TRUE, FALSE);
  run_tests (monitor, net127.addresses, FALSE);
  run_tests (monitor, net10.addresses, FALSE);
  run_tests (monitor, net192.addresses, FALSE);
  run_tests (monitor, netlocal6.addresses, FALSE);
  run_tests (monitor, netfe80.addresses, TRUE);
  run_tests (monitor, unmatched, FALSE);

  g_network_monitor_base_remove_network (G_NETWORK_MONITOR_BASE (monitor),
444
                                         netfe80.mask);
445 446 447 448 449 450 451
  assert_signals (monitor, FALSE, TRUE, FALSE);
  run_tests (monitor, net127.addresses, FALSE);
  run_tests (monitor, net10.addresses, FALSE);
  run_tests (monitor, net192.addresses, FALSE);
  run_tests (monitor, netlocal6.addresses, FALSE);
  run_tests (monitor, netfe80.addresses, FALSE);
  run_tests (monitor, unmatched, FALSE);
452 453

  g_object_unref (monitor);
454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469
}


static void
init_test (TestMask *test)
{
  GError *error = NULL;
  int i;

  test->mask = g_inet_address_mask_new_from_string (test->mask_string, &error);
  g_assert_no_error (error);

  for (i = 0; test->addresses[i].string; i++)
    {
      test->addresses[i].address = g_inet_address_new_from_string (test->addresses[i].string);
      if (strchr (test->addresses[i].string, ':'))
470
        g_assert_cmpint (g_inet_address_get_family (test->addresses[i].address), ==, G_SOCKET_FAMILY_IPV6);
471
      else
472
        g_assert_cmpint (g_inet_address_get_family (test->addresses[i].address), ==, G_SOCKET_FAMILY_IPV4);
473 474 475 476 477
    }
}

static void
watch_network_changed (GNetworkMonitor *monitor,
478 479
                       gboolean         available,
                       gpointer         user_data)
480 481 482 483 484 485 486 487 488 489 490 491 492
{
  g_print ("Network is %s\n", available ? "up" : "down");
}

static void
do_watch_network (void)
{
  GNetworkMonitor *monitor = g_network_monitor_get_default ();
  GMainLoop *loop;

  g_print ("Monitoring via %s\n", g_type_name_from_instance ((GTypeInstance *) monitor));

  g_signal_connect (monitor, "network-changed",
493
                    G_CALLBACK (watch_network_changed), NULL);
494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527
  watch_network_changed (monitor, g_network_monitor_get_network_available (monitor), NULL);

  loop = g_main_loop_new (NULL, FALSE);
  g_main_loop_run (loop);
}

int
main (int argc, char **argv)
{
  g_type_init ();

  if (argc == 2 && !strcmp (argv[1], "--watch"))
    {
      do_watch_network ();
      return 0;
    }

  g_test_init (&argc, &argv, NULL);

  init_test (&net127);
  init_test (&net10);
  init_test (&net192);
  init_test (&netlocal6);
  init_test (&netfe80);
  ip4_default = g_inet_address_mask_new_from_string ("0.0.0.0/0", NULL);
  ip6_default = g_inet_address_mask_new_from_string ("::/0", NULL);

  g_test_add_func ("/network-monitor/default", test_default);
  g_test_add_func ("/network-monitor/remove_default", test_remove_default);
  g_test_add_func ("/network-monitor/add_networks", test_add_networks);
  g_test_add_func ("/network-monitor/remove_networks", test_remove_networks);

  return g_test_run ();
}