11 #include "../src/meshlink.h"
14 static volatile bool b_responded = false;
15 static volatile bool b_closed = false;
16 static volatile size_t a_poll_cb_len;
18 static 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 static void a_receive_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, const void *data, size_t len) {
40 if(len == 5 && !memcmp(data, "Hello", 5)) {
44 set_sync_flag(channel->priv, true);
48 static void b_receive_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, const void *data, size_t len) {
49 // Send one message back, then close the channel.
51 meshlink_channel_send(mesh, channel, data, len);
54 meshlink_channel_close(mesh, channel);
57 static bool reject_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, uint16_t port, const void *data, size_t len) {
67 static bool accept_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, uint16_t port, const void *data, size_t len) {
70 meshlink_set_channel_accept_cb(mesh, NULL);
71 meshlink_set_channel_receive_cb(mesh, channel, b_receive_cb);
74 b_receive_cb(mesh, channel, data, len);
80 static void poll_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, size_t len) {
83 meshlink_set_channel_poll_cb(mesh, channel, NULL);
84 set_sync_flag(channel->priv, true);
87 static void poll_cb2(meshlink_handle_t *mesh, meshlink_channel_t *channel, size_t len) {
92 meshlink_set_channel_poll_cb(mesh, channel, NULL);
93 set_sync_flag(channel->priv, true);
97 meshlink_set_log_cb(NULL, MESHLINK_DEBUG, log_cb);
99 meshlink_handle_t *a, *b;
100 open_meshlink_pair(&a, &b, "channels-cornercases");
102 // Set the callbacks.
104 meshlink_set_channel_accept_cb(a, reject_cb);
105 meshlink_set_channel_accept_cb(b, accept_cb);
107 // Open a channel from a to b before starting the mesh.
109 meshlink_node_t *nb = meshlink_get_node(a, "b");
112 struct sync_flag channel_opened = {.flag = false};
114 meshlink_channel_t *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 // Start MeshLink and wait for the channel to become connected.
121 start_meshlink_pair(a, b);
123 assert(wait_sync_flag(&channel_opened, 20));
125 // Re-initialize everything
126 close_meshlink_pair(a, b, "channels-cornercases");
129 channel_opened.flag = false;
130 open_meshlink_pair(&a, &b, "channels-cornercases");
132 meshlink_set_channel_accept_cb(a, reject_cb);
133 meshlink_set_channel_accept_cb(b, accept_cb);
135 start_meshlink_pair(a, b);
137 // Create a channel to b
138 nb = meshlink_get_node(a, "b");
141 channel = meshlink_channel_open(a, nb, 7, a_receive_cb, NULL, 0);
143 channel->priv = &channel_opened;
144 meshlink_set_channel_poll_cb(a, channel, poll_cb);
146 assert(wait_sync_flag(&channel_opened, 20));
148 assert(!b_responded);
151 // Send a message to b
153 struct sync_flag channel_closed = {.flag = false};
154 channel->priv = &channel_closed;
156 meshlink_channel_send(a, channel, "Hello", 5);
158 assert(wait_sync_flag(&channel_closed, 20));
162 // Try to create a second channel
164 struct sync_flag channel_polled = {.flag = false};
166 meshlink_channel_t *channel2 = meshlink_channel_open(a, nb, 7, a_receive_cb, NULL, 0);
168 channel2->priv = &channel_polled;
169 meshlink_set_channel_poll_cb(a, channel2, poll_cb2);
171 assert(wait_sync_flag(&channel_polled, 20));
173 assert(0 == a_poll_cb_len);