15 static struct sync_flag bar_reachable;
17 static void status_cb(meshlink_handle_t *mesh, meshlink_node_t *node, bool reachable) {
20 if(reachable && !strcmp(node->name, "bar")) {
21 set_sync_flag(&bar_reachable, true);
26 init_sync_flag(&bar_reachable);
28 meshlink_set_log_cb(NULL, MESHLINK_DEBUG, log_cb);
30 // Open two new meshlink instance.
32 assert(meshlink_destroy("import_export_conf.1"));
33 assert(meshlink_destroy("import_export_conf.2"));
35 meshlink_handle_t *mesh1 = meshlink_open("import_export_conf.1", "foo", "import-export", DEV_CLASS_BACKBONE);
38 meshlink_handle_t *mesh2 = meshlink_open("import_export_conf.2", "bar", "import-export", DEV_CLASS_BACKBONE);
41 // Disable local discovery
43 meshlink_enable_discovery(mesh1, false);
44 meshlink_enable_discovery(mesh2, false);
46 // Import and export both side's data
48 assert(meshlink_set_canonical_address(mesh1, meshlink_get_self(mesh1), "localhost", NULL));
49 assert(meshlink_set_canonical_address(mesh2, meshlink_get_self(mesh2), "localhost", NULL));
51 char *data = meshlink_export(mesh1);
54 assert(meshlink_import(mesh2, data));
57 data = meshlink_export(mesh2);
60 assert(meshlink_import(mesh1, data));
62 // Check that importing twice is fine
63 assert(meshlink_import(mesh1, data));
66 // Check that importing garbage is not fine
67 assert(!meshlink_import(mesh1, "Garbage\n"));
69 // Check that foo knows bar, but that it is not reachable.
71 time_t last_reachable;
72 time_t last_unreachable;
73 meshlink_node_t *bar = meshlink_get_node(mesh1, "bar");
75 assert(!meshlink_get_node_reachability(mesh1, bar, &last_reachable, &last_unreachable));
76 assert(!last_reachable);
77 assert(!last_unreachable);
79 // Start both instances
81 meshlink_set_node_status_cb(mesh1, status_cb);
83 assert(meshlink_start(mesh1));
84 assert(meshlink_start(mesh2));
86 // Wait for the two to connect.
88 assert(wait_sync_flag(&bar_reachable, 20));
90 // Wait for UDP communication to become possible.
92 int pmtu = meshlink_get_pmtu(mesh2, meshlink_get_node(mesh2, "bar"));
94 for(int i = 0; i < 10 && !pmtu; i++) {
96 pmtu = meshlink_get_pmtu(mesh2, meshlink_get_node(mesh2, "bar"));
101 // Check that we now have reachability information
103 assert(meshlink_get_node_reachability(mesh1, bar, &last_reachable, &last_unreachable));
104 assert(last_reachable);
105 assert(!last_unreachable);
109 meshlink_stop(mesh1);
110 meshlink_stop(mesh2);
112 // Check that bar is no longer reachable
114 assert(!meshlink_get_node_reachability(mesh1, bar, &last_reachable, &last_unreachable));
115 assert(last_reachable);
116 assert(last_unreachable);
117 assert(last_reachable <= last_unreachable);
121 meshlink_close(mesh2);
122 meshlink_close(mesh1);