13 #include "meshlink-tiny.h"
17 static struct sync_flag baz_reachable;
18 static struct sync_flag seven_reachable;
19 static struct sync_flag commits_first_flag;
21 static void status_cb(meshlink_handle_t *mesh, meshlink_node_t *node, bool reachable) {
24 if(reachable && !strcmp(node->name, "baz")) {
25 set_sync_flag(&baz_reachable, true);
28 if(reachable && !strcmp(node->name, "seven")) {
29 set_sync_flag(&seven_reachable, true);
33 static void invitee_commits_first_cb(bool inviter_first) {
34 // Check that eight has committed foo's host config file, but foo hasn't committed eight's
35 assert(access("invite_join_conf.8/current/hosts/foo", F_OK) == 0);
36 assert(access("invite_join_conf.1/current/hosts/eight", F_OK) == -1 && errno == ENOENT);
37 set_sync_flag(&commits_first_flag, !inviter_first);
40 static void inviter_commits_first_cb(bool inviter_first) {
41 // Check that foo has committed nine's host config file, but nine hasn't committed foo's
42 assert(access("invite_join_conf.1/current/hosts/nine", F_OK) == 0);
43 assert(access("invite_join_conf.9/current/hosts/foo", F_OK) == -1 && errno == ENOENT);
44 set_sync_flag(&commits_first_flag, inviter_first);
48 init_sync_flag(&baz_reachable);
49 init_sync_flag(&seven_reachable);
50 init_sync_flag(&commits_first_flag);
52 meshlink_set_log_cb(NULL, MESHLINK_DEBUG, log_cb);
54 assert(meshlink_destroy("invite_join_conf.1"));
55 assert(meshlink_destroy("invite_join_conf.2"));
56 assert(meshlink_destroy("invite_join_conf.3"));
57 assert(meshlink_destroy("invite_join_conf.4"));
58 assert(meshlink_destroy("invite_join_conf.5"));
59 assert(meshlink_destroy("invite_join_conf.6"));
60 assert(meshlink_destroy("invite_join_conf.7"));
61 assert(meshlink_destroy("invite_join_conf.8"));
62 assert(meshlink_destroy("invite_join_conf.9"));
64 // Open thee new meshlink instance.
66 meshlink_handle_t *mesh1 = meshlink_open("invite_join_conf.1", "foo", "invite-join", DEV_CLASS_BACKBONE);
69 meshlink_handle_t *mesh2 = meshlink_open("invite_join_conf.2", "bar", "invite-join", DEV_CLASS_BACKBONE);
72 meshlink_handle_t *mesh3 = meshlink_open("invite_join_conf.3", "quux", "invite-join", DEV_CLASS_BACKBONE);
75 // Have the first instance generate invitations.
77 meshlink_set_node_status_cb(mesh1, status_cb);
79 assert(meshlink_set_canonical_address(mesh1, meshlink_get_self(mesh1), "localhost", NULL));
81 char *baz_url = meshlink_invite(mesh1, NULL, "baz");
84 char *quux_url = meshlink_invite(mesh1, NULL, "quux");
87 // Check that the second instances cannot join if it is already started
89 assert(meshlink_start(mesh1));
90 assert(meshlink_start(mesh2));
91 meshlink_errno = MESHLINK_OK;
92 assert(!meshlink_join(mesh2, baz_url));
93 assert(meshlink_errno = MESHLINK_EINVAL);
95 // Have the second instance join the first.
98 assert(meshlink_join(mesh2, baz_url));
99 assert(meshlink_start(mesh2));
101 // Wait for the two to connect.
103 assert(wait_sync_flag(&baz_reachable, 20));
105 // Wait for UDP communication to become possible.
107 int pmtu = meshlink_get_pmtu(mesh1, meshlink_get_node(mesh1, "baz"));
109 for(int i = 0; i < 10 && !pmtu; i++) {
111 pmtu = meshlink_get_pmtu(mesh1, meshlink_get_node(mesh1, "baz"));
116 // Check that an invitation cannot be used twice
118 assert(!meshlink_join(mesh3, baz_url));
121 // Check that nodes cannot join with expired invitations
123 meshlink_set_invitation_timeout(mesh1, 0);
125 assert(!meshlink_join(mesh3, quux_url));
128 // Check that existing nodes cannot join another mesh
130 char *corge_url = meshlink_invite(mesh3, NULL, "corge");
133 assert(meshlink_start(mesh3));
135 meshlink_stop(mesh2);
137 assert(!meshlink_join(mesh2, corge_url));
140 // Check that invitations work correctly after changing ports
142 meshlink_set_invitation_timeout(mesh1, 86400);
143 meshlink_stop(mesh1);
144 meshlink_stop(mesh3);
146 int oldport = meshlink_get_port(mesh1);
147 bool success = false;
149 for(int i = 0; !success && i < 100; i++) {
150 success = meshlink_set_port(mesh1, 0x9000 + rand() % 0x1000);
154 int newport = meshlink_get_port(mesh1);
155 assert(oldport != newport);
157 assert(meshlink_set_canonical_address(mesh1, meshlink_get_self(mesh1), "localhost", NULL));
159 assert(meshlink_start(mesh1));
160 quux_url = meshlink_invite(mesh1, NULL, "quux");
163 // The old port should not be in the invitation URL
166 snprintf(portstr, sizeof(portstr), ":%d", oldport);
167 assert(!strstr(quux_url, portstr));
169 // The new port should be in the invitation URL
171 snprintf(portstr, sizeof(portstr), ":%d", newport);
172 assert(strstr(quux_url, portstr));
174 // The invitation should work
176 assert(meshlink_join(mesh3, quux_url));
179 // Check that adding duplicate addresses get removed correctly
181 assert(meshlink_add_invitation_address(mesh1, "localhost", portstr + 1));
182 corge_url = meshlink_invite(mesh1, NULL, "corge");
184 char *localhost = strstr(corge_url, "localhost");
186 assert(!strstr(localhost + 1, "localhost"));
189 // Check that resetting and adding multiple, different invitation address works
191 meshlink_clear_invitation_addresses(mesh1);
192 assert(meshlink_add_invitation_address(mesh1, "1.invalid.", "12345"));
193 assert(meshlink_add_invitation_address(mesh1, "2.invalid.", NULL));
194 assert(meshlink_add_invitation_address(mesh1, "3.invalid.", NULL));
195 assert(meshlink_add_invitation_address(mesh1, "4.invalid.", NULL));
196 assert(meshlink_add_invitation_address(mesh1, "5.invalid.", NULL));
197 char *grault_url = meshlink_invite(mesh1, NULL, "grault");
199 localhost = strstr(grault_url, "localhost");
201 char *invalid1 = strstr(grault_url, "1.invalid.:12345");
203 char *invalid5 = strstr(grault_url, "5.invalid.");
206 // Check that explicitly added invitation addresses come before others, in the order they were specified.
208 assert(invalid1 < invalid5);
209 assert(invalid5 < localhost);
212 // Check inviting nodes into a submesh
214 assert(!meshlink_get_node_submesh(mesh1, meshlink_get_self(mesh1)));
216 meshlink_handle_t *mesh4 = meshlink_open("invite_join_conf.4", "four", "invite-join", DEV_CLASS_BACKBONE);
217 meshlink_handle_t *mesh5 = meshlink_open("invite_join_conf.5", "five", "invite-join", DEV_CLASS_BACKBONE);
218 meshlink_handle_t *mesh6 = meshlink_open("invite_join_conf.6", "six", "invite-join", DEV_CLASS_BACKBONE);
223 meshlink_enable_discovery(mesh4, false);
224 meshlink_enable_discovery(mesh5, false);
225 meshlink_enable_discovery(mesh6, false);
227 meshlink_submesh_t *submesh1 = meshlink_submesh_open(mesh1, "submesh1");
228 meshlink_submesh_t *submesh2 = meshlink_submesh_open(mesh1, "submesh2");
232 char *four_url = meshlink_invite(mesh1, submesh1, mesh4->name);
233 char *five_url = meshlink_invite(mesh1, submesh1, mesh5->name);
234 char *six_url = meshlink_invite(mesh1, submesh2, mesh6->name);
239 assert(meshlink_join(mesh4, four_url));
240 assert(meshlink_join(mesh5, five_url));
241 assert(meshlink_join(mesh6, six_url));
247 assert(meshlink_start(mesh2));
248 assert(meshlink_start(mesh4));
249 assert(meshlink_start(mesh5));
250 assert(meshlink_start(mesh6));
252 // Check that each node knows in which submesh it is
254 meshlink_submesh_t *mesh4_submesh = meshlink_get_node_submesh(mesh4, meshlink_get_self(mesh4));
255 meshlink_submesh_t *mesh5_submesh = meshlink_get_node_submesh(mesh4, meshlink_get_self(mesh5));
256 meshlink_submesh_t *mesh6_submesh = meshlink_get_node_submesh(mesh6, meshlink_get_self(mesh6));
257 assert(mesh4_submesh);
258 assert(mesh5_submesh);
259 assert(mesh6_submesh);
260 assert(!strcmp(mesh4_submesh->name, "submesh1"));
261 assert(!strcmp(mesh5_submesh->name, "submesh1"));
262 assert(!strcmp(mesh6_submesh->name, "submesh2"));
264 // Wait for nodes to connect, and check that foo sees the right submeshes
267 meshlink_node_t *mesh1_four = meshlink_get_node(mesh1, mesh4->name);
268 meshlink_node_t *mesh1_six = meshlink_get_node(mesh1, mesh6->name);
269 assert(meshlink_get_node_submesh(mesh1, meshlink_get_self(mesh1)) == NULL);
270 assert(meshlink_get_node_submesh(mesh1, mesh1_four) == submesh1);
271 assert(meshlink_get_node_submesh(mesh1, mesh1_six) == submesh2);
273 // Check that the new invitees still have the right submesh information
275 meshlink_node_t *mesh4_four = meshlink_get_node(mesh4, mesh4->name);
276 meshlink_node_t *mesh4_five = meshlink_get_node(mesh4, mesh5->name);
277 meshlink_node_t *mesh6_six = meshlink_get_node(mesh6, mesh6->name);
278 assert(meshlink_get_node_submesh(mesh4, mesh4_four) == mesh4_submesh);
279 assert(meshlink_get_node_submesh(mesh4, mesh4_five) == mesh4_submesh);
280 assert(meshlink_get_node_submesh(mesh6, mesh6_six) == mesh6_submesh);
282 // Check that bar can see all the nodes in submeshes and vice versa
284 assert(meshlink_get_node(mesh2, mesh4->name));
285 assert(meshlink_get_node(mesh2, mesh5->name));
286 assert(meshlink_get_node(mesh2, mesh6->name));
287 assert(meshlink_get_node(mesh4, mesh2->name));
288 assert(meshlink_get_node(mesh5, mesh2->name));
289 assert(meshlink_get_node(mesh6, mesh2->name));
291 // Check that four and five can see each other
293 assert(meshlink_get_node(mesh4, mesh5->name));
294 assert(meshlink_get_node(mesh5, mesh4->name));
296 // Check that the nodes in different submeshes cannot see each other
298 assert(!meshlink_get_node(mesh4, mesh6->name));
299 assert(!meshlink_get_node(mesh5, mesh6->name));
300 assert(!meshlink_get_node(mesh6, mesh4->name));
301 assert(!meshlink_get_node(mesh6, mesh5->name));
303 // Check that bar sees the right submesh information for the nodes in submeshes
305 meshlink_submesh_t *mesh2_four_submesh = meshlink_get_node_submesh(mesh2, meshlink_get_node(mesh2, mesh4->name));
306 meshlink_submesh_t *mesh2_five_submesh = meshlink_get_node_submesh(mesh2, meshlink_get_node(mesh2, mesh5->name));
307 meshlink_submesh_t *mesh2_six_submesh = meshlink_get_node_submesh(mesh2, meshlink_get_node(mesh2, mesh6->name));
308 assert(mesh2_four_submesh);
309 assert(mesh2_five_submesh);
310 assert(mesh2_six_submesh);
311 assert(!strcmp(mesh2_four_submesh->name, "submesh1"));
312 assert(!strcmp(mesh2_five_submesh->name, "submesh1"));
313 assert(!strcmp(mesh2_six_submesh->name, "submesh2"));
315 // Test case #2: check invalid parameters
317 meshlink_handle_t *mesh7 = meshlink_open("invite_join_conf.7", "seven", "invite-join", DEV_CLASS_BACKBONE);
319 meshlink_enable_discovery(mesh7, false);
320 char *seven_url = meshlink_invite(mesh1, NULL, "seven");
323 meshlink_errno = MESHLINK_OK;
324 assert(!meshlink_invite(NULL, NULL, "seven"));
325 assert(meshlink_errno == MESHLINK_EINVAL);
327 meshlink_errno = MESHLINK_OK;
328 assert(!meshlink_invite(mesh1, NULL, NULL));
329 assert(meshlink_errno == MESHLINK_EINVAL);
331 meshlink_errno = MESHLINK_OK;
332 assert(!meshlink_invite(mesh1, NULL, ""));
333 assert(meshlink_errno == MESHLINK_EINVAL);
335 meshlink_errno = MESHLINK_OK;
336 assert(!meshlink_join(NULL, seven_url));
337 assert(meshlink_errno == MESHLINK_EINVAL);
339 meshlink_errno = MESHLINK_OK;
340 assert(!meshlink_join(mesh7, NULL));
341 assert(meshlink_errno == MESHLINK_EINVAL);
343 meshlink_errno = MESHLINK_OK;
344 assert(!meshlink_join(mesh7, ""));
345 assert(meshlink_errno == MESHLINK_EINVAL);
347 // Test case #3 and #4: check persistence of inviter and invitee
349 assert(meshlink_join(mesh7, seven_url));
351 meshlink_close(mesh1);
352 meshlink_stop(mesh2);
353 meshlink_stop(mesh3);
354 meshlink_stop(mesh4);
355 meshlink_stop(mesh5);
356 meshlink_stop(mesh6);
357 meshlink_close(mesh7);
358 mesh1 = meshlink_open("invite_join_conf.1", "foo", "invite-join", DEV_CLASS_BACKBONE);
359 mesh7 = meshlink_open("invite_join_conf.7", "seven", "invite-join", DEV_CLASS_BACKBONE);
362 meshlink_enable_discovery(mesh1, false);
363 meshlink_enable_discovery(mesh7, false);
364 meshlink_set_node_status_cb(mesh1, status_cb);
365 assert(meshlink_start(mesh1));
366 assert(meshlink_start(mesh7));
367 assert(wait_sync_flag(&seven_reachable, 5));
368 meshlink_stop(mesh7);
370 // Test case #6 and #7: check invalid inviter_commits_first combinations
372 meshlink_handle_t *mesh8 = meshlink_open("invite_join_conf.8", "eight", "invite-join", DEV_CLASS_BACKBONE);
374 meshlink_enable_discovery(mesh8, false);
375 char *eight_url = meshlink_invite(mesh1, NULL, "eight");
377 meshlink_set_inviter_commits_first(mesh1, true);
378 meshlink_set_inviter_commits_first(mesh8, false);
379 assert(!meshlink_join(mesh8, eight_url));
382 eight_url = meshlink_invite(mesh1, NULL, "eight");
383 meshlink_set_inviter_commits_first(mesh1, false);
384 meshlink_set_inviter_commits_first(mesh8, true);
385 assert(!meshlink_join(mesh8, eight_url));
388 // Test case #5: test invitee committing first scenario
390 eight_url = meshlink_invite(mesh1, NULL, "eight");
391 meshlink_set_inviter_commits_first(mesh1, false);
392 meshlink_set_inviter_commits_first(mesh8, false);
393 devtool_set_inviter_commits_first = invitee_commits_first_cb;
394 assert(meshlink_join(mesh8, eight_url));
396 assert(wait_sync_flag(&commits_first_flag, 5));
398 // Test case #6: test inviter committing first scenario
400 meshlink_handle_t *mesh9 = meshlink_open("invite_join_conf.9", "nine", "invite-join", DEV_CLASS_BACKBONE);
402 meshlink_enable_discovery(mesh9, false);
403 char *nine_url = meshlink_invite(mesh1, NULL, "nine");
404 meshlink_set_inviter_commits_first(mesh1, true);
405 meshlink_set_inviter_commits_first(mesh9, true);
406 devtool_set_inviter_commits_first = inviter_commits_first_cb;
407 reset_sync_flag(&commits_first_flag);
408 assert(meshlink_join(mesh9, nine_url));
410 assert(wait_sync_flag(&commits_first_flag, 5));
414 meshlink_close(mesh9);
415 meshlink_close(mesh8);
416 meshlink_close(mesh7);
417 meshlink_close(mesh6);
418 meshlink_close(mesh5);
419 meshlink_close(mesh4);
420 meshlink_close(mesh3);
421 meshlink_close(mesh2);
422 meshlink_close(mesh1);