15 static void log_cb(meshlink_handle_t *mesh, meshlink_log_level_t level, const char *text) {
18 static struct timeval tv0;
22 gettimeofday(&tv0, NULL);
25 gettimeofday(&tv, NULL);
26 fprintf(stderr, "%u.%.03u ", (unsigned int)(tv.tv_sec - tv0.tv_sec), (unsigned int)tv.tv_usec / 1000);
29 fprintf(stderr, "(%s) ", mesh->name);
32 fprintf(stderr, "[%d] %s\n", level, text);
35 static bool received = false;
37 static void receive_cb(meshlink_handle_t *mesh, meshlink_node_t *source, const void *data, size_t len) {
41 fprintf(stderr, "RECEIVED SOMETHING\n");
43 if(len == 5 && !memcmp(data, "Hello", 5)) {
49 // Create three instances.
51 const char *name[3] = {"foo", "bar", "baz"};
52 meshlink_handle_t *mesh[3];
55 for(int i = 0; i < 3; i++) {
57 assert(asprintf(&path, "trio_conf.%d", i) != -1 && path);
59 mesh[i] = meshlink_open(path, name[i], "trio", DEV_CLASS_BACKBONE);
63 meshlink_add_address(mesh[i], "localhost");
65 data[i] = meshlink_export(mesh[i]);
69 // first node knows the two other nodes
71 for(int i = 1; i < 3; i++) {
72 assert(meshlink_import(mesh[i], data[0]));
73 assert(meshlink_import(mesh[0], data[i]));
75 assert(meshlink_get_node(mesh[i], name[0]));
76 assert(meshlink_get_node(mesh[0], name[i]));
79 // second and third node should not know each other yet
81 assert(!meshlink_get_node(mesh[1], name[2]));
82 assert(!meshlink_get_node(mesh[2], name[1]));
86 for(int i = 0; i < 3; i++) {
88 assert(meshlink_start(mesh[i]));
91 // the nodes should now learn about each other
93 assert_after(meshlink_get_node(mesh[1], name[2]), 5);
94 assert_after(meshlink_get_node(mesh[2], name[1]), 5);
96 // Send a packet, expect it is received
98 meshlink_set_receive_cb(mesh[1], receive_cb);
99 assert_after((meshlink_send(mesh[2], meshlink_get_node(mesh[2], name[1]), "Hello", 5), received), 15);
101 // Check that the second and third node have autoconnected to each other
103 devtool_edge_t *edges = NULL;
105 assert_after((edges = devtool_get_all_edges(mesh[1], edges, &nedges), nedges == 3), 15);
108 // Stop the first node
110 meshlink_stop(mesh[0]);
113 // Communication should still be possible
115 assert_after((meshlink_send(mesh[2], meshlink_get_node(mesh[2], name[1]), "Hello", 5), received), 15);
117 // Stop the other nodes
119 for(int i = 1; i < 3; i++) {
120 meshlink_stop(mesh[i]);
125 // Start just the other two nodes
127 meshlink_set_log_cb(mesh[1], MESHLINK_DEBUG, log_cb);
129 for(int i = 1; i < 3; i++) {
130 assert(meshlink_start(mesh[i]));
133 assert(meshlink_get_node(mesh[1], name[2]));
134 assert(meshlink_get_node(mesh[2], name[1]));
136 // Communication should still be possible
139 assert_after((meshlink_send(mesh[2], meshlink_get_node(mesh[2], name[1]), "Hello", 5), received), 25);
143 for(int i = 0; i < 3; i++) {
144 meshlink_close(mesh[i]);