12 static void log_cb(meshlink_handle_t *mesh, meshlink_log_level_t level, const char *text) {
13 static struct timeval tv0;
17 gettimeofday(&tv0, NULL);
18 gettimeofday(&tv, NULL);
19 fprintf(stderr, "%u.%.03u ", (unsigned int)(tv.tv_sec - tv0.tv_sec), (unsigned int)tv.tv_usec / 1000);
22 fprintf(stderr, "(%s) ", mesh->name);
23 fprintf(stderr, "[%d] %s\n", level, text);
26 static bool received = false;
28 static void receive_cb(meshlink_handle_t *mesh, meshlink_node_t *source, const void *data, size_t len) {
29 fprintf(stderr, "RECEIVED SOMETHING\n");
30 if(len == 5 && !memcmp(data, "Hello", 5))
34 int main(int argc, char *argv[]) {
35 // Create three instances.
37 const char *name[3] = {"foo", "bar", "baz"};
38 meshlink_handle_t *mesh[3];
41 for(int i = 0; i < 3; i++) {
43 asprintf(&path, "trio_conf.%d", i);
46 mesh[i] = meshlink_open(path, name[i], "trio", DEV_CLASS_BACKBONE);
49 data[i] = meshlink_export(mesh[i]);
53 // first node knows the two other nodes
55 for(int i = 1; i < 3; i++) {
56 assert(meshlink_import(mesh[i], data[0]));
57 assert(meshlink_import(mesh[0], data[i]));
59 assert(meshlink_get_node(mesh[i], name[0]));
60 assert(meshlink_get_node(mesh[0], name[i]));
63 // second and third node should not know each other yet
65 assert(!meshlink_get_node(mesh[1], name[2]));
66 assert(!meshlink_get_node(mesh[2], name[1]));
70 for(int i = 0; i < 3; i++)
71 meshlink_start(mesh[i]);
73 // the nodes should now learn about each other
75 assert_after(meshlink_get_node(mesh[1], name[2]), 5);
76 assert_after(meshlink_get_node(mesh[2], name[1]), 5);
80 meshlink_set_receive_cb(mesh[1], receive_cb);
81 assert_after((meshlink_send(mesh[2], meshlink_get_node(mesh[2], name[1]), "Hello", 5), received), 15);
83 // Stop the first node
85 meshlink_stop(mesh[0]);
88 // Communication should still be possible
90 assert_after((meshlink_send(mesh[2], meshlink_get_node(mesh[2], name[1]), "Hello", 5), received), 15);
92 // Stop the other nodes
94 for(int i = 1; i < 3; i++)
95 meshlink_stop(mesh[i]);
99 // Start just the other two nodes
101 meshlink_set_log_cb(mesh[1], MESHLINK_DEBUG, log_cb);
103 for(int i = 1; i < 3; i++)
104 meshlink_start(mesh[i]);
106 assert(meshlink_get_node(mesh[1], name[2]));
107 assert(meshlink_get_node(mesh[2], name[1]));
109 // Communication should still be possible
112 assert_after((meshlink_send(mesh[2], meshlink_get_node(mesh[2], name[1]), "Hello", 5), received), 25);
116 for(int i = 0; i < 3; i++)
117 meshlink_close(mesh[i]);