15 static struct sync_flag bar_reachable;
16 static struct sync_flag pmtu_flag;
18 static void status_cb(meshlink_handle_t *mesh, meshlink_node_t *node, bool reachable) {
21 if(reachable && !strcmp(node->name, "bar")) {
22 set_sync_flag(&bar_reachable, true);
26 static void pmtu_cb(meshlink_handle_t *mesh, meshlink_node_t *node, uint16_t pmtu) {
29 if(pmtu && !strcmp(node->name, "bar")) {
30 set_sync_flag(&pmtu_flag, true);
35 init_sync_flag(&bar_reachable);
37 meshlink_set_log_cb(NULL, MESHLINK_DEBUG, log_cb);
39 // Open two new meshlink instance.
41 assert(meshlink_destroy("import_export_conf.1"));
42 assert(meshlink_destroy("import_export_conf.2"));
44 meshlink_handle_t *mesh1 = meshlink_open("import_export_conf.1", "foo", "import-export", DEV_CLASS_BACKBONE);
47 meshlink_handle_t *mesh2 = meshlink_open("import_export_conf.2", "bar", "import-export", DEV_CLASS_BACKBONE);
50 // Disable local discovery
52 meshlink_enable_discovery(mesh1, false);
53 meshlink_enable_discovery(mesh2, false);
55 // Import and export both side's data
57 assert(meshlink_set_canonical_address(mesh1, meshlink_get_self(mesh1), "localhost", NULL));
58 assert(meshlink_set_canonical_address(mesh2, meshlink_get_self(mesh2), "localhost", NULL));
60 char *data = meshlink_export(mesh1);
63 assert(meshlink_import(mesh2, data));
66 data = meshlink_export(mesh2);
69 assert(meshlink_import(mesh1, data));
71 // Check that importing twice is fine
72 assert(meshlink_import(mesh1, data));
75 // Check that importing garbage is not fine
76 assert(!meshlink_import(mesh1, "Garbage\n"));
78 // Check that foo knows bar, but that it is not reachable.
80 time_t last_reachable;
81 time_t last_unreachable;
82 meshlink_node_t *bar = meshlink_get_node(mesh1, "bar");
84 assert(!meshlink_get_node_reachability(mesh1, bar, &last_reachable, &last_unreachable));
85 assert(!last_reachable);
86 assert(!last_unreachable);
88 // Start both instances
90 meshlink_set_node_status_cb(mesh1, status_cb);
91 meshlink_set_node_pmtu_cb(mesh1, pmtu_cb);
93 assert(meshlink_start(mesh1));
94 assert(meshlink_start(mesh2));
96 // Wait for the two to connect.
98 assert(wait_sync_flag(&bar_reachable, 10));
100 // Wait for UDP communication to become possible.
102 assert(wait_sync_flag(&pmtu_flag, 10));
104 // Check that we now have reachability information
106 assert(meshlink_get_node_reachability(mesh1, bar, &last_reachable, &last_unreachable));
107 assert(last_reachable);
111 meshlink_stop(mesh1);
112 meshlink_stop(mesh2);
114 // Check that bar is no longer reachable
116 assert(!meshlink_get_node_reachability(mesh1, bar, &last_reachable, &last_unreachable));
117 assert(last_reachable);
118 assert(last_unreachable);
119 assert(last_reachable <= last_unreachable);
123 meshlink_close(mesh2);
124 meshlink_close(mesh1);