14 static void log_cb(meshlink_handle_t *mesh, meshlink_log_level_t level, const char *text) {
15 static struct timeval tv0;
19 gettimeofday(&tv0, NULL);
20 gettimeofday(&tv, NULL);
21 fprintf(stderr, "%u.%.03u ", (unsigned int)(tv.tv_sec - tv0.tv_sec), (unsigned int)tv.tv_usec / 1000);
24 fprintf(stderr, "(%s) ", mesh->name);
25 fprintf(stderr, "[%d] %s\n", level, text);
28 static bool received = false;
30 static void receive_cb(meshlink_handle_t *mesh, meshlink_node_t *source, const void *data, size_t len) {
31 fprintf(stderr, "RECEIVED SOMETHING\n");
32 if(len == 5 && !memcmp(data, "Hello", 5))
36 int main(int argc, char *argv[]) {
37 // Create three instances.
39 const char *name[3] = {"foo", "bar", "baz"};
40 meshlink_handle_t *mesh[3];
43 for(int i = 0; i < 3; i++) {
45 asprintf(&path, "trio_conf.%d", i);
48 mesh[i] = meshlink_open(path, name[i], "trio", DEV_CLASS_BACKBONE);
51 data[i] = meshlink_export(mesh[i]);
55 // first node knows the two other nodes
57 for(int i = 1; i < 3; i++) {
58 assert(meshlink_import(mesh[i], data[0]));
59 assert(meshlink_import(mesh[0], data[i]));
61 assert(meshlink_get_node(mesh[i], name[0]));
62 assert(meshlink_get_node(mesh[0], name[i]));
65 // second and third node should not know each other yet
67 assert(!meshlink_get_node(mesh[1], name[2]));
68 assert(!meshlink_get_node(mesh[2], name[1]));
72 for(int i = 0; i < 3; i++)
73 meshlink_start(mesh[i]);
75 // the nodes should now learn about each other
77 assert_after(meshlink_get_node(mesh[1], name[2]), 5);
78 assert_after(meshlink_get_node(mesh[2], name[1]), 5);
80 // Send a packet, expect it is received
82 meshlink_set_receive_cb(mesh[1], receive_cb);
83 assert_after((meshlink_send(mesh[2], meshlink_get_node(mesh[2], name[1]), "Hello", 5), received), 15);
85 // Check that the second and third node have autoconnected to each other
87 devtool_edge_t *edges = NULL;
89 assert_after((edges = devtool_get_all_edges(mesh[1], edges, &nedges), nedges == 3), 15);
91 // Stop the first node
93 meshlink_stop(mesh[0]);
96 // Communication should still be possible
98 assert_after((meshlink_send(mesh[2], meshlink_get_node(mesh[2], name[1]), "Hello", 5), received), 15);
100 // Stop the other nodes
102 for(int i = 1; i < 3; i++)
103 meshlink_stop(mesh[i]);
107 // Start just the other two nodes
109 meshlink_set_log_cb(mesh[1], MESHLINK_DEBUG, log_cb);
111 for(int i = 1; i < 3; i++)
112 meshlink_start(mesh[i]);
114 assert(meshlink_get_node(mesh[1], name[2]));
115 assert(meshlink_get_node(mesh[2], name[1]));
117 // Communication should still be possible
120 assert_after((meshlink_send(mesh[2], meshlink_get_node(mesh[2], name[1]), "Hello", 5), received), 25);
124 for(int i = 0; i < 3; i++)
125 meshlink_close(mesh[i]);