15 static struct sync_flag baz_reachable;
17 static void status_cb(meshlink_handle_t *mesh, meshlink_node_t *node, bool reachable) {
20 if(reachable && !strcmp(node->name, "baz")) {
21 set_sync_flag(&baz_reachable, true);
26 init_sync_flag(&baz_reachable);
28 meshlink_set_log_cb(NULL, MESHLINK_DEBUG, log_cb);
30 assert(meshlink_destroy("invite_join_conf.1"));
31 assert(meshlink_destroy("invite_join_conf.2"));
32 assert(meshlink_destroy("invite_join_conf.3"));
33 assert(meshlink_destroy("invite_join_conf.4"));
34 assert(meshlink_destroy("invite_join_conf.5"));
35 assert(meshlink_destroy("invite_join_conf.6"));
37 // Open thee new meshlink instance.
39 meshlink_handle_t *mesh1 = meshlink_open("invite_join_conf.1", "foo", "invite-join", DEV_CLASS_BACKBONE);
42 meshlink_handle_t *mesh2 = meshlink_open("invite_join_conf.2", "bar", "invite-join", DEV_CLASS_BACKBONE);
45 meshlink_handle_t *mesh3 = meshlink_open("invite_join_conf.3", "quux", "invite-join", DEV_CLASS_BACKBONE);
48 // Disable local discovery.
50 meshlink_enable_discovery(mesh1, false);
51 meshlink_enable_discovery(mesh2, false);
52 meshlink_enable_discovery(mesh3, false);
54 // Have the first instance generate invitations.
56 meshlink_set_node_status_cb(mesh1, status_cb);
58 assert(meshlink_set_canonical_address(mesh1, meshlink_get_self(mesh1), "localhost", NULL));
60 char *baz_url = meshlink_invite(mesh1, NULL, "baz");
63 char *quux_url = meshlink_invite(mesh1, NULL, "quux");
66 // Have the second instance join the first.
68 assert(meshlink_start(mesh1));
70 assert(meshlink_join(mesh2, baz_url));
71 assert(meshlink_start(mesh2));
73 // Wait for the two to connect.
75 assert(wait_sync_flag(&baz_reachable, 20));
77 // Wait for UDP communication to become possible.
79 int pmtu = meshlink_get_pmtu(mesh1, meshlink_get_node(mesh1, "baz"));
81 for(int i = 0; i < 10 && !pmtu; i++) {
83 pmtu = meshlink_get_pmtu(mesh1, meshlink_get_node(mesh1, "baz"));
88 // Check that an invitation cannot be used twice
90 assert(!meshlink_join(mesh3, baz_url));
93 // Check that nodes cannot join with expired invitations
95 meshlink_set_invitation_timeout(mesh1, 0);
97 assert(!meshlink_join(mesh3, quux_url));
100 // Check that existing nodes cannot join another mesh
102 char *corge_url = meshlink_invite(mesh3, NULL, "corge");
105 assert(meshlink_start(mesh3));
107 meshlink_stop(mesh2);
109 assert(!meshlink_join(mesh2, corge_url));
112 // Check that invitations work correctly after changing ports
114 meshlink_set_invitation_timeout(mesh1, 86400);
115 meshlink_stop(mesh1);
116 meshlink_stop(mesh3);
118 int oldport = meshlink_get_port(mesh1);
119 bool success = false;
121 for(int i = 0; !success && i < 100; i++) {
122 success = meshlink_set_port(mesh1, 0x9000 + rand() % 0x1000);
126 int newport = meshlink_get_port(mesh1);
127 assert(oldport != newport);
129 assert(meshlink_start(mesh1));
130 quux_url = meshlink_invite(mesh1, NULL, "quux");
133 // The old port should not be in the invitation URL
136 snprintf(portstr, sizeof(portstr), ":%d", oldport);
137 assert(!strstr(quux_url, portstr));
139 // The new port should be in the invitation URL
141 snprintf(portstr, sizeof(portstr), ":%d", newport);
142 assert(strstr(quux_url, portstr));
144 // The invitation should work
146 assert(meshlink_join(mesh3, quux_url));
149 // Check that adding duplicate addresses get removed correctly
151 assert(meshlink_add_invitation_address(mesh1, "localhost", portstr + 1));
152 corge_url = meshlink_invite(mesh1, NULL, "corge");
154 char *localhost = strstr(corge_url, "localhost");
156 assert(!strstr(localhost + 1, "localhost"));
159 // Check that resetting and adding multiple, different invitation address works
161 meshlink_clear_invitation_addresses(mesh1);
162 assert(meshlink_add_invitation_address(mesh1, "1.invalid.", "12345"));
163 assert(meshlink_add_invitation_address(mesh1, "2.invalid.", NULL));
164 assert(meshlink_add_invitation_address(mesh1, "3.invalid.", NULL));
165 assert(meshlink_add_invitation_address(mesh1, "4.invalid.", NULL));
166 assert(meshlink_add_invitation_address(mesh1, "5.invalid.", NULL));
167 char *grault_url = meshlink_invite(mesh1, NULL, "grault");
169 localhost = strstr(grault_url, "localhost");
171 char *invalid1 = strstr(grault_url, "1.invalid.:12345");
173 char *invalid5 = strstr(grault_url, "5.invalid.");
176 // Check that explicitly added invitation addresses come before others, in the order they were specified.
178 assert(invalid1 < invalid5);
179 assert(invalid5 < localhost);
182 // Check inviting nodes into a submesh
184 assert(!meshlink_get_node_submesh(mesh1, meshlink_get_self(mesh1)));
186 meshlink_handle_t *mesh4 = meshlink_open("invite_join_conf.4", "four", "invite-join", DEV_CLASS_BACKBONE);
187 meshlink_handle_t *mesh5 = meshlink_open("invite_join_conf.5", "five", "invite-join", DEV_CLASS_BACKBONE);
188 meshlink_handle_t *mesh6 = meshlink_open("invite_join_conf.6", "six", "invite-join", DEV_CLASS_BACKBONE);
193 meshlink_enable_discovery(mesh4, false);
194 meshlink_enable_discovery(mesh5, false);
195 meshlink_enable_discovery(mesh6, false);
197 meshlink_submesh_t *submesh1 = meshlink_submesh_open(mesh1, "submesh1");
198 meshlink_submesh_t *submesh2 = meshlink_submesh_open(mesh1, "submesh2");
202 char *four_url = meshlink_invite(mesh1, submesh1, mesh4->name);
203 char *five_url = meshlink_invite(mesh1, submesh1, mesh5->name);
204 char *six_url = meshlink_invite(mesh1, submesh2, mesh6->name);
209 assert(meshlink_join(mesh4, four_url));
210 assert(meshlink_join(mesh5, five_url));
211 assert(meshlink_join(mesh6, six_url));
217 assert(meshlink_start(mesh2));
218 assert(meshlink_start(mesh4));
219 assert(meshlink_start(mesh5));
220 assert(meshlink_start(mesh6));
222 // Check that each node knows in which submesh it is
224 meshlink_submesh_t *mesh4_submesh = meshlink_get_node_submesh(mesh4, meshlink_get_self(mesh4));
225 meshlink_submesh_t *mesh5_submesh = meshlink_get_node_submesh(mesh4, meshlink_get_self(mesh5));
226 meshlink_submesh_t *mesh6_submesh = meshlink_get_node_submesh(mesh6, meshlink_get_self(mesh6));
227 assert(mesh4_submesh);
228 assert(mesh5_submesh);
229 assert(mesh6_submesh);
230 assert(!strcmp(mesh4_submesh->name, "submesh1"));
231 assert(!strcmp(mesh5_submesh->name, "submesh1"));
232 assert(!strcmp(mesh6_submesh->name, "submesh2"));
234 // Wait for nodes to connect, and check that foo sees the right submeshes
237 meshlink_node_t *mesh1_four = meshlink_get_node(mesh1, mesh4->name);
238 meshlink_node_t *mesh1_six = meshlink_get_node(mesh1, mesh6->name);
239 assert(meshlink_get_node_submesh(mesh1, meshlink_get_self(mesh1)) == NULL);
240 assert(meshlink_get_node_submesh(mesh1, mesh1_four) == submesh1);
241 assert(meshlink_get_node_submesh(mesh1, mesh1_six) == submesh2);
243 // Check that the new invitees still have the right submesh information
245 meshlink_node_t *mesh4_four = meshlink_get_node(mesh4, mesh4->name);
246 meshlink_node_t *mesh4_five = meshlink_get_node(mesh4, mesh5->name);
247 meshlink_node_t *mesh6_six = meshlink_get_node(mesh6, mesh6->name);
248 assert(meshlink_get_node_submesh(mesh4, mesh4_four) == mesh4_submesh);
249 assert(meshlink_get_node_submesh(mesh4, mesh4_five) == mesh4_submesh);
250 assert(meshlink_get_node_submesh(mesh6, mesh6_six) == mesh6_submesh);
252 // Check that bar can see all the nodes in submeshes and vice versa
254 assert(meshlink_get_node(mesh2, mesh4->name));
255 assert(meshlink_get_node(mesh2, mesh5->name));
256 assert(meshlink_get_node(mesh2, mesh6->name));
257 assert(meshlink_get_node(mesh4, mesh2->name));
258 assert(meshlink_get_node(mesh5, mesh2->name));
259 assert(meshlink_get_node(mesh6, mesh2->name));
261 // Check that four and five can see each other
263 assert(meshlink_get_node(mesh4, mesh5->name));
264 assert(meshlink_get_node(mesh5, mesh4->name));
266 // Check that the nodes in different submeshes cannot see each other
268 assert(!meshlink_get_node(mesh4, mesh6->name));
269 assert(!meshlink_get_node(mesh5, mesh6->name));
270 assert(!meshlink_get_node(mesh6, mesh4->name));
271 assert(!meshlink_get_node(mesh6, mesh5->name));
273 // Check that bar sees the right submesh information for the nodes in submeshes
275 meshlink_submesh_t *mesh2_four_submesh = meshlink_get_node_submesh(mesh2, meshlink_get_node(mesh2, mesh4->name));
276 meshlink_submesh_t *mesh2_five_submesh = meshlink_get_node_submesh(mesh2, meshlink_get_node(mesh2, mesh5->name));
277 meshlink_submesh_t *mesh2_six_submesh = meshlink_get_node_submesh(mesh2, meshlink_get_node(mesh2, mesh6->name));
278 assert(mesh2_four_submesh);
279 assert(mesh2_five_submesh);
280 assert(mesh2_six_submesh);
281 assert(!strcmp(mesh2_four_submesh->name, "submesh1"));
282 assert(!strcmp(mesh2_five_submesh->name, "submesh1"));
283 assert(!strcmp(mesh2_six_submesh->name, "submesh2"));
287 meshlink_close(mesh6);
288 meshlink_close(mesh5);
289 meshlink_close(mesh4);
290 meshlink_close(mesh3);
291 meshlink_close(mesh2);
292 meshlink_close(mesh1);