11 #include "../src/meshlink.h"
14 volatile bool b_responded = false;
15 volatile bool b_closed = false;
16 volatile bool a_nonzero_poll_cb = false;
18 void log_cb(meshlink_handle_t *mesh, meshlink_log_level_t level, const char *text) {
19 static struct timeval tv0;
23 gettimeofday(&tv0, NULL);
24 gettimeofday(&tv, NULL);
25 fprintf(stderr, "%u.%.03u ", (unsigned int)(tv.tv_sec - tv0.tv_sec), (unsigned int)tv.tv_usec / 1000);
28 fprintf(stderr, "(%s) ", mesh->name);
29 fprintf(stderr, "[%d] %s\n", level, text);
32 void a_receive_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, const void *data, size_t len) {
33 if(len == 5 && !memcmp(data, "Hello", 5))
39 void b_receive_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, const void *data, size_t len) {
40 // Send one message back, then close the channel.
42 meshlink_channel_send(mesh, channel, data, len);
44 meshlink_channel_close(mesh, channel);
47 bool reject_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, uint16_t port, const void *data, size_t len) {
51 bool accept_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, uint16_t port, const void *data, size_t len) {
52 meshlink_set_channel_accept_cb(mesh, NULL);
53 meshlink_set_channel_receive_cb(mesh, channel, b_receive_cb);
55 b_receive_cb(mesh, channel, data, len);
59 void poll_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, size_t len) {
60 meshlink_set_channel_poll_cb(mesh, channel, NULL);
61 set_sync_flag(channel->priv);
64 void poll_cb2(meshlink_handle_t *mesh, meshlink_channel_t *channel, size_t len) {
66 a_nonzero_poll_cb = true;
69 int main(int argc, char *argv[]) {
70 meshlink_handle_t *a, *b;
71 open_meshlink_pair(&a, &b, "channels-cornercases");
72 //meshlink_set_log_cb(a, MESHLINK_DEBUG, log_cb);
73 //meshlink_set_log_cb(b, MESHLINK_DEBUG, log_cb);
77 meshlink_set_channel_accept_cb(a, reject_cb);
78 meshlink_set_channel_accept_cb(b, accept_cb);
80 // Open a channel from a to b before starting the mesh.
82 meshlink_node_t *nb = meshlink_get_node(a, "b");
85 struct sync_flag channel_opened = {};
86 pthread_mutex_lock(&channel_opened.mutex);
88 meshlink_channel_t *channel = meshlink_channel_open(a, nb, 7, a_receive_cb, NULL, 0);
91 channel->priv = &channel_opened;
92 meshlink_set_channel_poll_cb(a, channel, poll_cb);
94 // Start MeshLink and wait for the channel to become connected.
95 start_meshlink_pair(a, b);
97 assert(wait_sync_flag(&channel_opened, 20));
99 // Re-initialize everything
100 close_meshlink_pair(a, b, "channels-cornercases");
103 channel_opened.flag = false;
104 open_meshlink_pair(&a, &b, "channels-cornercases");
106 meshlink_set_channel_accept_cb(a, reject_cb);
107 meshlink_set_channel_accept_cb(b, accept_cb);
109 start_meshlink_pair(a, b);
111 // Create a channel to b
112 nb = meshlink_get_node(a, "b");
115 channel = meshlink_channel_open(a, nb, 7, a_receive_cb, NULL, 0);
117 channel->priv = &channel_opened;
118 meshlink_set_channel_poll_cb(a, channel, poll_cb);
120 assert(wait_sync_flag(&channel_opened, 20));
122 assert(!b_responded);
125 // Send a message to b
127 meshlink_channel_send(a, channel, "Hello", 5);
134 // Try to create a second channel
136 meshlink_channel_t *channel2 = meshlink_channel_open(a, nb, 7, a_receive_cb, NULL, 0);
138 meshlink_set_channel_poll_cb(a, channel2, poll_cb2);
142 assert(!a_nonzero_poll_cb);