13 static void log_cb(meshlink_handle_t *mesh, meshlink_log_level_t level, const char *text) {
14 static struct timeval tv0;
18 gettimeofday(&tv0, NULL);
19 gettimeofday(&tv, NULL);
20 fprintf(stderr, "%u.%.03u ", (unsigned int)(tv.tv_sec - tv0.tv_sec), (unsigned int)tv.tv_usec / 1000);
23 fprintf(stderr, "(%s) ", mesh->name);
24 fprintf(stderr, "[%d] %s\n", level, text);
27 static bool received = false;
29 static void receive_cb(meshlink_handle_t *mesh, meshlink_node_t *source, const void *data, size_t len) {
30 fprintf(stderr, "RECEIVED SOMETHING\n");
31 if(len == 5 && !memcmp(data, "Hello", 5))
35 int main(int argc, char *argv[]) {
36 // Create three instances.
38 const char *name[3] = {"foo", "bar", "baz"};
39 meshlink_handle_t *mesh[3];
42 for(int i = 0; i < 3; i++) {
44 asprintf(&path, "trio_conf.%d", i);
47 mesh[i] = meshlink_open(path, name[i], "trio", DEV_CLASS_BACKBONE);
50 data[i] = meshlink_export(mesh[i]);
54 // first node knows the two other nodes
56 for(int i = 1; i < 3; i++) {
57 assert(meshlink_import(mesh[i], data[0]));
58 assert(meshlink_import(mesh[0], data[i]));
60 assert(meshlink_get_node(mesh[i], name[0]));
61 assert(meshlink_get_node(mesh[0], name[i]));
64 // second and third node should not know each other yet
66 assert(!meshlink_get_node(mesh[1], name[2]));
67 assert(!meshlink_get_node(mesh[2], name[1]));
71 for(int i = 0; i < 3; i++)
72 meshlink_start(mesh[i]);
74 // the nodes should now learn about each other
76 assert_after(meshlink_get_node(mesh[1], name[2]), 5);
77 assert_after(meshlink_get_node(mesh[2], name[1]), 5);
81 meshlink_set_receive_cb(mesh[1], receive_cb);
82 assert_after((meshlink_send(mesh[2], meshlink_get_node(mesh[2], name[1]), "Hello", 5), received), 15);
84 // Stop the first node
86 meshlink_stop(mesh[0]);
89 // Communication should still be possible
91 assert_after((meshlink_send(mesh[2], meshlink_get_node(mesh[2], name[1]), "Hello", 5), received), 15);
93 // Stop the other nodes
95 for(int i = 1; i < 3; i++)
96 meshlink_stop(mesh[i]);
100 // Start just the other two nodes
102 meshlink_set_log_cb(mesh[1], MESHLINK_DEBUG, log_cb);
104 for(int i = 1; i < 3; i++)
105 meshlink_start(mesh[i]);
107 assert(meshlink_get_node(mesh[1], name[2]));
108 assert(meshlink_get_node(mesh[2], name[1]));
110 // Communication should still be possible
113 assert_after((meshlink_send(mesh[2], meshlink_get_node(mesh[2], name[1]), "Hello", 5), received), 25);
117 for(int i = 0; i < 3; i++)
118 meshlink_close(mesh[i]);