12 #include "../src/meshlink.h"
15 static bool accept_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, uint16_t port, const void *data, size_t len) {
25 static struct sync_flag poll_flag;
26 static size_t poll_len;
28 static void poll_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, size_t len) {
29 meshlink_set_channel_poll_cb(mesh, channel, NULL);
31 set_sync_flag(&poll_flag, true);
34 static struct sync_flag receive_flag;
35 static size_t receive_len;
37 static void receive_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, const void *data, size_t len) {
43 set_sync_flag(&receive_flag, true);
47 init_sync_flag(&poll_flag);
48 init_sync_flag(&receive_flag);
50 meshlink_set_log_cb(NULL, MESHLINK_DEBUG, log_cb);
52 // Open two meshlink instances.
54 meshlink_handle_t *mesh_a, *mesh_b;
55 open_meshlink_pair(&mesh_a, &mesh_b, "channels_failure");
59 meshlink_set_channel_accept_cb(mesh_b, accept_cb);
61 // Open a channel from a to b
63 meshlink_node_t *b = meshlink_get_node(mesh_a, "b");
66 meshlink_channel_t *channel = meshlink_channel_open(mesh_a, b, 7, receive_cb, NULL, 0);
69 meshlink_set_channel_poll_cb(mesh_a, channel, poll_cb);
71 // Start both instances
73 start_meshlink_pair(mesh_a, mesh_b);
75 // Wait for the channel to be established
77 assert(wait_sync_flag(&poll_flag, 10));
78 assert(poll_len != 0);
82 // Set a very small timeout for channels to b.
84 meshlink_set_node_channel_timeout(mesh_a, b, 1);
86 // Stop mesh_b. We should get a notification that the channel has closed after a while.
88 meshlink_stop(mesh_b);
90 assert(wait_sync_flag(&receive_flag, 5));
91 assert(receive_len == 0);
93 meshlink_channel_close(mesh_a, channel);
95 // Try setting up a new channel while b is still down.
97 set_sync_flag(&poll_flag, false);
98 set_sync_flag(&receive_flag, false);
100 channel = meshlink_channel_open(mesh_a, b, 7, NULL, NULL, 0);
103 meshlink_set_channel_poll_cb(mesh_a, channel, poll_cb);
105 assert(wait_sync_flag(&poll_flag, 5));
106 assert(poll_len == 0);
108 meshlink_channel_close(mesh_a, channel);
110 // Restart b and create a new channel
112 set_sync_flag(&poll_flag, false);
113 set_sync_flag(&receive_flag, false);
115 meshlink_set_node_channel_timeout(mesh_a, b, 60);
117 assert(meshlink_start(mesh_b));
119 channel = meshlink_channel_open(mesh_a, b, 7, receive_cb, NULL, 0);
120 meshlink_set_channel_poll_cb(mesh_a, channel, poll_cb);
122 assert(wait_sync_flag(&poll_flag, 10));
123 assert(poll_len != 0);
125 // Close and reopen b, we should get a fast notification that the channel has been closed.
127 meshlink_close(mesh_b);
128 mesh_b = meshlink_open("channels_failure_conf.2", "b", "channels_failure", DEV_CLASS_BACKBONE);
130 assert(meshlink_start(mesh_b));
132 assert(wait_sync_flag(&receive_flag, 10));
133 assert(receive_len == 0);
137 close_meshlink_pair(mesh_a, mesh_b);