15 #include "../src/meshlink.h"
18 static volatile bool b_responded = false;
19 static volatile bool b_closed = false;
20 static volatile size_t a_poll_cb_len;
22 static void a_receive_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, const void *data, size_t len) {
26 if(len == 5 && !memcmp(data, "Hello", 5)) {
30 set_sync_flag(channel->priv, true);
34 static void b_receive_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, const void *data, size_t len) {
35 // Send one message back, then close the channel.
37 assert(meshlink_channel_send(mesh, channel, data, len) == (ssize_t)len);
40 meshlink_channel_close(mesh, channel);
43 static bool reject_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, uint16_t port, const void *data, size_t len) {
53 static bool accept_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, uint16_t port, const void *data, size_t len) {
56 meshlink_set_channel_accept_cb(mesh, NULL);
57 meshlink_set_channel_receive_cb(mesh, channel, b_receive_cb);
60 b_receive_cb(mesh, channel, data, len);
66 static 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, true);
73 static void poll_cb2(meshlink_handle_t *mesh, meshlink_channel_t *channel, size_t len) {
78 meshlink_set_channel_poll_cb(mesh, channel, NULL);
79 set_sync_flag(channel->priv, true);
83 meshlink_set_log_cb(NULL, MESHLINK_DEBUG, log_cb);
85 meshlink_handle_t *a, *b;
86 open_meshlink_pair(&a, &b, "channels-cornercases");
90 meshlink_set_channel_accept_cb(a, reject_cb);
91 meshlink_set_channel_accept_cb(b, accept_cb);
93 // Open a channel from a to b before starting the mesh.
95 meshlink_node_t *nb = meshlink_get_node(a, "b");
98 struct sync_flag channel_opened = {.flag = false};
99 init_sync_flag(&channel_opened);
101 meshlink_channel_t *channel = meshlink_channel_open(a, nb, 7, a_receive_cb, &channel_opened, 0);
104 meshlink_set_channel_poll_cb(a, channel, poll_cb);
106 // Start MeshLink and wait for the channel to become connected.
107 start_meshlink_pair(a, b);
109 assert(wait_sync_flag(&channel_opened, 20));
111 // Re-initialize everything
112 meshlink_channel_close(a, channel);
113 close_meshlink_pair(a, b);
116 channel_opened.flag = false;
117 open_meshlink_pair(&a, &b, "channels-cornercases");
119 meshlink_set_channel_accept_cb(a, reject_cb);
120 meshlink_set_channel_accept_cb(b, accept_cb);
122 start_meshlink_pair(a, b);
124 // Create a channel to b
125 nb = meshlink_get_node(a, "b");
128 channel = meshlink_channel_open(a, nb, 7, a_receive_cb, &channel_opened, 0);
130 meshlink_set_channel_poll_cb(a, channel, poll_cb);
132 assert(wait_sync_flag(&channel_opened, 20));
134 assert(!b_responded);
137 // Send a message to b
139 struct sync_flag channel_closed = {.flag = false};
140 init_sync_flag(&channel_closed);
141 channel->priv = &channel_closed;
143 assert(meshlink_channel_send(a, channel, "Hello", 5) == 5);
144 assert(wait_sync_flag(&channel_closed, 20));
148 // Try to create a second channel
150 struct sync_flag channel_polled = {.flag = false};
151 init_sync_flag(&channel_polled);
153 meshlink_channel_t *channel2 = meshlink_channel_open(a, nb, 7, a_receive_cb, &channel_polled, 0);
155 meshlink_set_channel_poll_cb(a, channel2, poll_cb2);
157 assert(wait_sync_flag(&channel_polled, 20));
159 assert(0 == a_poll_cb_len);
161 meshlink_channel_close(a, channel);
162 meshlink_channel_close(a, channel2);
163 close_meshlink_pair(a, b);