12 #include "meshlink-tiny.h"
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);
36 init_sync_flag(&pmtu_flag);
38 meshlink_set_log_cb(NULL, MESHLINK_DEBUG, log_cb);
40 // Open two new meshlink instance.
42 assert(meshlink_destroy("import_export_conf.1"));
43 assert(meshlink_destroy("import_export_conf.2"));
45 meshlink_handle_t *mesh1 = meshlink_open("import_export_conf.1", "foo", "import-export", DEV_CLASS_BACKBONE);
48 meshlink_handle_t *mesh2 = meshlink_open("import_export_conf.2", "bar", "import-export", DEV_CLASS_BACKBONE);
51 // Import and export both side's data
53 assert(meshlink_set_canonical_address(mesh1, meshlink_get_self(mesh1), "localhost", NULL));
54 assert(meshlink_set_canonical_address(mesh2, meshlink_get_self(mesh2), "localhost", NULL));
56 char *data = meshlink_export(mesh1);
59 assert(meshlink_import(mesh2, data));
62 data = meshlink_export(mesh2);
65 assert(meshlink_import(mesh1, data));
67 // Check that importing twice is fine
68 assert(meshlink_import(mesh1, data));
71 // Check that importing garbage is not fine
72 assert(!meshlink_import(mesh1, "Garbage\n"));
74 // Check that foo knows bar, but that it is not reachable.
76 time_t last_reachable;
77 time_t last_unreachable;
78 meshlink_node_t *bar = meshlink_get_node(mesh1, "bar");
80 assert(!meshlink_get_node_reachability(mesh1, bar, &last_reachable, &last_unreachable));
81 assert(!last_reachable);
82 assert(!last_unreachable);
84 // Start both instances
86 meshlink_set_node_status_cb(mesh1, status_cb);
87 meshlink_set_node_pmtu_cb(mesh1, pmtu_cb);
89 assert(meshlink_start(mesh1));
90 assert(meshlink_start(mesh2));
92 // Wait for the two to connect.
94 assert(wait_sync_flag(&bar_reachable, 10));
96 // Wait for UDP communication to become possible.
98 assert(wait_sync_flag(&pmtu_flag, 10));
100 // Check that we now have reachability information
102 assert(meshlink_get_node_reachability(mesh1, bar, &last_reachable, &last_unreachable));
103 assert(last_reachable);
107 meshlink_stop(mesh1);
108 meshlink_stop(mesh2);
110 // Check that bar is no longer reachable
112 assert(!meshlink_get_node_reachability(mesh1, bar, &last_reachable, &last_unreachable));
113 assert(last_reachable);
114 assert(last_unreachable);
115 assert(last_reachable <= last_unreachable);
119 meshlink_close(mesh2);
120 meshlink_close(mesh1);