14 static void log_cb(meshlink_handle_t *mesh, meshlink_log_level_t level, const char *text) {
17 static struct timeval tv0;
21 gettimeofday(&tv0, NULL);
24 gettimeofday(&tv, NULL);
25 fprintf(stderr, "%u.%.03u ", (unsigned int)(tv.tv_sec - tv0.tv_sec), (unsigned int)tv.tv_usec / 1000);
28 fprintf(stderr, "(%s) ", mesh->name);
31 fprintf(stderr, "[%d] %s\n", level, text);
34 static bool received = false;
36 static void receive_cb(meshlink_handle_t *mesh, meshlink_node_t *source, const void *data, size_t len) {
40 fprintf(stderr, "RECEIVED SOMETHING\n");
42 if(len == 5 && !memcmp(data, "Hello", 5)) {
48 // Create three instances.
50 const char *name[3] = {"foo", "bar", "baz"};
51 meshlink_handle_t *mesh[3];
54 for(int i = 0; i < 3; i++) {
56 asprintf(&path, "trio_conf.%d", i);
59 mesh[i] = meshlink_open(path, name[i], "trio", DEV_CLASS_BACKBONE);
62 data[i] = meshlink_export(mesh[i]);
66 // first node knows the two other nodes
68 for(int i = 1; i < 3; i++) {
69 assert(meshlink_import(mesh[i], data[0]));
70 assert(meshlink_import(mesh[0], data[i]));
72 assert(meshlink_get_node(mesh[i], name[0]));
73 assert(meshlink_get_node(mesh[0], name[i]));
76 // second and third node should not know each other yet
78 assert(!meshlink_get_node(mesh[1], name[2]));
79 assert(!meshlink_get_node(mesh[2], name[1]));
83 for(int i = 0; i < 3; i++) {
84 meshlink_start(mesh[i]);
87 // the nodes should now learn about each other
89 assert_after(meshlink_get_node(mesh[1], name[2]), 5);
90 assert_after(meshlink_get_node(mesh[2], name[1]), 5);
92 // Send a packet, expect it is received
94 meshlink_set_receive_cb(mesh[1], receive_cb);
95 assert_after((meshlink_send(mesh[2], meshlink_get_node(mesh[2], name[1]), "Hello", 5), received), 15);
97 // Check that the second and third node have autoconnected to each other
99 devtool_edge_t *edges = NULL;
101 assert_after((edges = devtool_get_all_edges(mesh[1], edges, &nedges), nedges == 3), 15);
103 // Stop the first node
105 meshlink_stop(mesh[0]);
108 // Communication should still be possible
110 assert_after((meshlink_send(mesh[2], meshlink_get_node(mesh[2], name[1]), "Hello", 5), received), 15);
112 // Stop the other nodes
114 for(int i = 1; i < 3; i++) {
115 meshlink_stop(mesh[i]);
120 // Start just the other two nodes
122 meshlink_set_log_cb(mesh[1], MESHLINK_DEBUG, log_cb);
124 for(int i = 1; i < 3; i++) {
125 meshlink_start(mesh[i]);
128 assert(meshlink_get_node(mesh[1], name[2]));
129 assert(meshlink_get_node(mesh[2], name[1]));
131 // Communication should still be possible
134 assert_after((meshlink_send(mesh[2], meshlink_get_node(mesh[2], name[1]), "Hello", 5), received), 25);
138 for(int i = 0; i < 3; i++) {
139 meshlink_close(mesh[i]);