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);
26 gettimeofday(&tv, NULL);
27 fprintf(stderr, "%u.%.03u ", (unsigned int)(tv.tv_sec - tv0.tv_sec), (unsigned int)tv.tv_usec / 1000);
30 fprintf(stderr, "(%s) ", mesh->name);
33 fprintf(stderr, "[%d] %s\n", level, text);
36 void a_receive_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, const void *data, size_t len) {
37 if(len == 5 && !memcmp(data, "Hello", 5)) {
44 void b_receive_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, const void *data, size_t len) {
45 // Send one message back, then close the channel.
47 meshlink_channel_send(mesh, channel, data, len);
50 meshlink_channel_close(mesh, channel);
53 bool reject_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, uint16_t port, const void *data, size_t len) {
57 bool accept_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, uint16_t port, const void *data, size_t len) {
58 meshlink_set_channel_accept_cb(mesh, NULL);
59 meshlink_set_channel_receive_cb(mesh, channel, b_receive_cb);
62 b_receive_cb(mesh, channel, data, len);
68 void poll_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, size_t len) {
69 meshlink_set_channel_poll_cb(mesh, channel, NULL);
70 set_sync_flag(channel->priv);
73 void poll_cb2(meshlink_handle_t *mesh, meshlink_channel_t *channel, size_t len) {
75 a_nonzero_poll_cb = true;
79 int main(int argc, char *argv[]) {
80 meshlink_handle_t *a, *b;
81 open_meshlink_pair(&a, &b, "channels-cornercases");
82 //meshlink_set_log_cb(a, MESHLINK_DEBUG, log_cb);
83 //meshlink_set_log_cb(b, MESHLINK_DEBUG, log_cb);
87 meshlink_set_channel_accept_cb(a, reject_cb);
88 meshlink_set_channel_accept_cb(b, accept_cb);
90 // Open a channel from a to b before starting the mesh.
92 meshlink_node_t *nb = meshlink_get_node(a, "b");
95 struct sync_flag channel_opened = {};
96 pthread_mutex_lock(&channel_opened.mutex);
98 meshlink_channel_t *channel = meshlink_channel_open(a, nb, 7, a_receive_cb, NULL, 0);
101 channel->priv = &channel_opened;
102 meshlink_set_channel_poll_cb(a, channel, poll_cb);
104 // Start MeshLink and wait for the channel to become connected.
105 start_meshlink_pair(a, b);
107 assert(wait_sync_flag(&channel_opened, 20));
109 // Re-initialize everything
110 close_meshlink_pair(a, b, "channels-cornercases");
113 channel_opened.flag = false;
114 open_meshlink_pair(&a, &b, "channels-cornercases");
116 meshlink_set_channel_accept_cb(a, reject_cb);
117 meshlink_set_channel_accept_cb(b, accept_cb);
119 start_meshlink_pair(a, b);
121 // Create a channel to b
122 nb = meshlink_get_node(a, "b");
125 channel = meshlink_channel_open(a, nb, 7, a_receive_cb, NULL, 0);
127 channel->priv = &channel_opened;
128 meshlink_set_channel_poll_cb(a, channel, poll_cb);
130 assert(wait_sync_flag(&channel_opened, 20));
132 assert(!b_responded);
135 // Send a message to b
137 meshlink_channel_send(a, channel, "Hello", 5);
144 // Try to create a second channel
146 meshlink_channel_t *channel2 = meshlink_channel_open(a, nb, 7, a_receive_cb, NULL, 0);
148 meshlink_set_channel_poll_cb(a, channel2, poll_cb2);
152 assert(!a_nonzero_poll_cb);