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);
22 gettimeofday(&tv, NULL);
23 fprintf(stderr, "%u.%.03u ", (unsigned int)(tv.tv_sec - tv0.tv_sec), (unsigned int)tv.tv_usec / 1000);
26 fprintf(stderr, "(%s) ", mesh->name);
29 fprintf(stderr, "[%d] %s\n", level, text);
32 static bool received = false;
34 static void receive_cb(meshlink_handle_t *mesh, meshlink_node_t *source, const void *data, size_t len) {
35 fprintf(stderr, "RECEIVED SOMETHING\n");
37 if(len == 5 && !memcmp(data, "Hello", 5)) {
42 int main(int argc, char *argv[]) {
43 // Create three instances.
45 const char *name[3] = {"foo", "bar", "baz"};
46 meshlink_handle_t *mesh[3];
49 for(int i = 0; i < 3; i++) {
51 asprintf(&path, "trio_conf.%d", i);
54 mesh[i] = meshlink_open(path, name[i], "trio", DEV_CLASS_BACKBONE);
57 data[i] = meshlink_export(mesh[i]);
61 // first node knows the two other nodes
63 for(int i = 1; i < 3; i++) {
64 assert(meshlink_import(mesh[i], data[0]));
65 assert(meshlink_import(mesh[0], data[i]));
67 assert(meshlink_get_node(mesh[i], name[0]));
68 assert(meshlink_get_node(mesh[0], name[i]));
71 // second and third node should not know each other yet
73 assert(!meshlink_get_node(mesh[1], name[2]));
74 assert(!meshlink_get_node(mesh[2], name[1]));
78 for(int i = 0; i < 3; i++) {
79 meshlink_start(mesh[i]);
82 // the nodes should now learn about each other
84 assert_after(meshlink_get_node(mesh[1], name[2]), 5);
85 assert_after(meshlink_get_node(mesh[2], name[1]), 5);
87 // Send a packet, expect it is received
89 meshlink_set_receive_cb(mesh[1], receive_cb);
90 assert_after((meshlink_send(mesh[2], meshlink_get_node(mesh[2], name[1]), "Hello", 5), received), 15);
92 // Check that the second and third node have autoconnected to each other
94 devtool_edge_t *edges = NULL;
96 assert_after((edges = devtool_get_all_edges(mesh[1], edges, &nedges), nedges == 3), 15);
98 // Stop the first node
100 meshlink_stop(mesh[0]);
103 // Communication should still be possible
105 assert_after((meshlink_send(mesh[2], meshlink_get_node(mesh[2], name[1]), "Hello", 5), received), 15);
107 // Stop the other nodes
109 for(int i = 1; i < 3; i++) {
110 meshlink_stop(mesh[i]);
115 // Start just the other two nodes
117 meshlink_set_log_cb(mesh[1], MESHLINK_DEBUG, log_cb);
119 for(int i = 1; i < 3; i++) {
120 meshlink_start(mesh[i]);
123 assert(meshlink_get_node(mesh[1], name[2]));
124 assert(meshlink_get_node(mesh[2], name[1]));
126 // Communication should still be possible
129 assert_after((meshlink_send(mesh[2], meshlink_get_node(mesh[2], name[1]), "Hello", 5), received), 25);
133 for(int i = 0; i < 3; i++) {
134 meshlink_close(mesh[i]);