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 meshlink_set_log_cb(NULL, MESHLINK_DEBUG, log_cb);
28 assert(meshlink_destroy("invite_join_conf.1"));
29 assert(meshlink_destroy("invite_join_conf.2"));
30 assert(meshlink_destroy("invite_join_conf.3"));
31 assert(meshlink_destroy("invite_join_conf.4"));
32 assert(meshlink_destroy("invite_join_conf.5"));
33 assert(meshlink_destroy("invite_join_conf.6"));
35 // Open thee new meshlink instance.
37 meshlink_handle_t *mesh1 = meshlink_open("invite_join_conf.1", "foo", "invite-join", DEV_CLASS_BACKBONE);
40 meshlink_handle_t *mesh2 = meshlink_open("invite_join_conf.2", "bar", "invite-join", DEV_CLASS_BACKBONE);
43 meshlink_handle_t *mesh3 = meshlink_open("invite_join_conf.3", "quux", "invite-join", DEV_CLASS_BACKBONE);
46 // Disable local discovery.
48 meshlink_enable_discovery(mesh1, false);
49 meshlink_enable_discovery(mesh2, false);
50 meshlink_enable_discovery(mesh3, false);
52 // Have the first instance generate invitations.
54 meshlink_set_node_status_cb(mesh1, status_cb);
56 assert(meshlink_set_canonical_address(mesh1, meshlink_get_self(mesh1), "localhost", NULL));
58 char *baz_url = meshlink_invite(mesh1, NULL, "baz");
61 char *quux_url = meshlink_invite(mesh1, NULL, "quux");
64 // Have the second instance join the first.
66 assert(meshlink_start(mesh1));
68 assert(meshlink_join(mesh2, baz_url));
69 assert(meshlink_start(mesh2));
71 // Wait for the two to connect.
73 assert(wait_sync_flag(&baz_reachable, 20));
75 // Wait for UDP communication to become possible.
77 int pmtu = meshlink_get_pmtu(mesh1, meshlink_get_node(mesh1, "baz"));
79 for(int i = 0; i < 10 && !pmtu; i++) {
81 pmtu = meshlink_get_pmtu(mesh1, meshlink_get_node(mesh1, "baz"));
86 // Check that an invitation cannot be used twice
88 assert(!meshlink_join(mesh3, baz_url));
91 // Check that nodes cannot join with expired invitations
93 meshlink_set_invitation_timeout(mesh1, 0);
95 assert(!meshlink_join(mesh3, quux_url));
98 // Check that existing nodes cannot join another mesh
100 char *corge_url = meshlink_invite(mesh3, NULL, "corge");
103 assert(meshlink_start(mesh3));
105 meshlink_stop(mesh2);
107 assert(!meshlink_join(mesh2, corge_url));
110 // Check that invitations work correctly after changing ports
112 meshlink_set_invitation_timeout(mesh1, 86400);
113 meshlink_stop(mesh1);
114 meshlink_stop(mesh3);
116 int oldport = meshlink_get_port(mesh1);
117 bool success = false;
119 for(int i = 0; !success && i < 100; i++) {
120 success = meshlink_set_port(mesh1, 0x9000 + rand() % 0x1000);
124 int newport = meshlink_get_port(mesh1);
125 assert(oldport != newport);
127 assert(meshlink_start(mesh1));
128 quux_url = meshlink_invite(mesh1, NULL, "quux");
131 // The old port should not be in the invitation URL
134 snprintf(portstr, sizeof(portstr), ":%d", oldport);
135 assert(!strstr(quux_url, portstr));
137 // The new port should be in the invitation URL
139 snprintf(portstr, sizeof(portstr), ":%d", newport);
140 assert(strstr(quux_url, portstr));
142 // The invitation should work
144 assert(meshlink_join(mesh3, quux_url));
147 // Check that adding duplicate addresses get removed correctly
149 assert(meshlink_add_invitation_address(mesh1, "localhost", portstr + 1));
150 corge_url = meshlink_invite(mesh1, NULL, "corge");
152 char *localhost = strstr(corge_url, "localhost");
154 assert(!strstr(localhost + 1, "localhost"));
157 // Check that resetting and adding multiple, different invitation address works
159 meshlink_clear_invitation_addresses(mesh1);
160 assert(meshlink_add_invitation_address(mesh1, "1.invalid.", "12345"));
161 assert(meshlink_add_invitation_address(mesh1, "2.invalid.", NULL));
162 assert(meshlink_add_invitation_address(mesh1, "3.invalid.", NULL));
163 assert(meshlink_add_invitation_address(mesh1, "4.invalid.", NULL));
164 assert(meshlink_add_invitation_address(mesh1, "5.invalid.", NULL));
165 char *grault_url = meshlink_invite(mesh1, NULL, "grault");
167 localhost = strstr(grault_url, "localhost");
169 char *invalid1 = strstr(grault_url, "1.invalid.:12345");
171 char *invalid5 = strstr(grault_url, "5.invalid.");
174 // Check that explicitly added invitation addresses come before others, in the order they were specified.
176 assert(invalid1 < invalid5);
177 assert(invalid5 < localhost);
180 // Check inviting nodes into a submesh
182 assert(!meshlink_get_node_submesh(mesh1, meshlink_get_self(mesh1)));
184 meshlink_handle_t *mesh4 = meshlink_open("invite_join_conf.4", "four", "invite-join", DEV_CLASS_BACKBONE);
185 meshlink_handle_t *mesh5 = meshlink_open("invite_join_conf.5", "five", "invite-join", DEV_CLASS_BACKBONE);
186 meshlink_handle_t *mesh6 = meshlink_open("invite_join_conf.6", "six", "invite-join", DEV_CLASS_BACKBONE);
191 meshlink_enable_discovery(mesh4, false);
192 meshlink_enable_discovery(mesh5, false);
193 meshlink_enable_discovery(mesh6, false);
195 meshlink_submesh_t *submesh1 = meshlink_submesh_open(mesh1, "submesh1");
196 meshlink_submesh_t *submesh2 = meshlink_submesh_open(mesh1, "submesh2");
200 char *four_url = meshlink_invite(mesh1, submesh1, mesh4->name);
201 char *five_url = meshlink_invite(mesh1, submesh1, mesh5->name);
202 char *six_url = meshlink_invite(mesh1, submesh2, mesh6->name);
207 assert(meshlink_join(mesh4, four_url));
208 assert(meshlink_join(mesh5, five_url));
209 assert(meshlink_join(mesh6, six_url));
215 assert(meshlink_start(mesh2));
216 assert(meshlink_start(mesh4));
217 assert(meshlink_start(mesh5));
218 assert(meshlink_start(mesh6));
220 // Check that each node knows in which submesh it is
222 meshlink_submesh_t *mesh4_submesh = meshlink_get_node_submesh(mesh4, meshlink_get_self(mesh4));
223 meshlink_submesh_t *mesh5_submesh = meshlink_get_node_submesh(mesh4, meshlink_get_self(mesh5));
224 meshlink_submesh_t *mesh6_submesh = meshlink_get_node_submesh(mesh6, meshlink_get_self(mesh6));
225 assert(mesh4_submesh);
226 assert(mesh5_submesh);
227 assert(mesh6_submesh);
228 assert(!strcmp(mesh4_submesh->name, "submesh1"));
229 assert(!strcmp(mesh5_submesh->name, "submesh1"));
230 assert(!strcmp(mesh6_submesh->name, "submesh2"));
232 // Wait for nodes to connect, and check that foo sees the right submeshes
235 meshlink_node_t *mesh1_four = meshlink_get_node(mesh1, mesh4->name);
236 meshlink_node_t *mesh1_six = meshlink_get_node(mesh1, mesh6->name);
237 assert(meshlink_get_node_submesh(mesh1, meshlink_get_self(mesh1)) == NULL);
238 assert(meshlink_get_node_submesh(mesh1, mesh1_four) == submesh1);
239 assert(meshlink_get_node_submesh(mesh1, mesh1_six) == submesh2);
241 // Check that the new invitees still have the right submesh information
243 meshlink_node_t *mesh4_four = meshlink_get_node(mesh4, mesh4->name);
244 meshlink_node_t *mesh4_five = meshlink_get_node(mesh4, mesh5->name);
245 meshlink_node_t *mesh6_six = meshlink_get_node(mesh6, mesh6->name);
246 assert(meshlink_get_node_submesh(mesh4, mesh4_four) == mesh4_submesh);
247 assert(meshlink_get_node_submesh(mesh4, mesh4_five) == mesh4_submesh);
248 assert(meshlink_get_node_submesh(mesh6, mesh6_six) == mesh6_submesh);
250 // Check that bar can see all the nodes in submeshes and vice versa
252 assert(meshlink_get_node(mesh2, mesh4->name));
253 assert(meshlink_get_node(mesh2, mesh5->name));
254 assert(meshlink_get_node(mesh2, mesh6->name));
255 assert(meshlink_get_node(mesh4, mesh2->name));
256 assert(meshlink_get_node(mesh5, mesh2->name));
257 assert(meshlink_get_node(mesh6, mesh2->name));
259 // Check that four and five can see each other
261 assert(meshlink_get_node(mesh4, mesh5->name));
262 assert(meshlink_get_node(mesh5, mesh4->name));
264 // Check that the nodes in different submeshes cannot see each other
266 assert(!meshlink_get_node(mesh4, mesh6->name));
267 assert(!meshlink_get_node(mesh5, mesh6->name));
268 assert(!meshlink_get_node(mesh6, mesh4->name));
269 assert(!meshlink_get_node(mesh6, mesh5->name));
271 // Check that bar sees the right submesh information for the nodes in submeshes
273 meshlink_submesh_t *mesh2_four_submesh = meshlink_get_node_submesh(mesh2, meshlink_get_node(mesh2, mesh4->name));
274 meshlink_submesh_t *mesh2_five_submesh = meshlink_get_node_submesh(mesh2, meshlink_get_node(mesh2, mesh5->name));
275 meshlink_submesh_t *mesh2_six_submesh = meshlink_get_node_submesh(mesh2, meshlink_get_node(mesh2, mesh6->name));
276 assert(mesh2_four_submesh);
277 assert(mesh2_five_submesh);
278 assert(mesh2_six_submesh);
279 assert(!strcmp(mesh2_four_submesh->name, "submesh1"));
280 assert(!strcmp(mesh2_five_submesh->name, "submesh1"));
281 assert(!strcmp(mesh2_six_submesh->name, "submesh2"));
285 meshlink_close(mesh6);
286 meshlink_close(mesh5);
287 meshlink_close(mesh4);
288 meshlink_close(mesh3);
289 meshlink_close(mesh2);
290 meshlink_close(mesh1);