11 static const size_t size = 10000000; // size of data to transfer
12 static bool bar_reachable = false;
13 static int foo_callbacks = 0;
14 static size_t bar_received = 0;
15 static struct sync_flag bar_finished_flag;
17 void log_cb(meshlink_handle_t *mesh, meshlink_log_level_t level, const char *text) {
18 static struct timeval tv0;
22 gettimeofday(&tv0, NULL);
25 gettimeofday(&tv, NULL);
26 fprintf(stderr, "%u.%.03u ", (unsigned int)(tv.tv_sec - tv0.tv_sec), (unsigned int)tv.tv_usec / 1000);
29 fprintf(stderr, "(%s) ", mesh->name);
32 fprintf(stderr, "[%d] %s\n", level, text);
35 void status_cb(meshlink_handle_t *mesh, meshlink_node_t *node, bool reachable) {
38 if(!strcmp(node->name, "bar")) {
39 bar_reachable = reachable;
43 void foo_aio_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, const void *data, size_t len, void *priv) {
53 void bar_receive_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, const void *data, size_t len) {
56 char *indata = mesh->priv;
57 memcpy(indata, data, len);
58 mesh->priv = indata + len;
61 if(bar_received >= size) {
62 set_sync_flag(&bar_finished_flag, true);
66 bool reject_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, uint16_t port, const void *data, size_t len) {
76 bool accept_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, uint16_t port, const void *data, size_t len) {
79 meshlink_set_channel_receive_cb(mesh, channel, bar_receive_cb);
82 bar_receive_cb(mesh, channel, data, len);
88 void poll_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, size_t len) {
91 meshlink_set_channel_poll_cb(mesh, channel, NULL);
92 assert(meshlink_channel_send(mesh, channel, "Hello", 5) == 5);
95 int main(int argc, char *argv[]) {
99 // Prepare data buffers
101 char *outdata = malloc(size);
102 char *indata = malloc(size);
107 for(size_t i = 0; i < size; i++) {
111 memset(indata, 0, size);
113 meshlink_set_log_cb(NULL, MESHLINK_DEBUG, log_cb);
115 // Open two new meshlink instance.
117 meshlink_destroy("channels_aio_conf.1");
118 meshlink_destroy("channels_aio_conf.2");
120 meshlink_handle_t *mesh1 = meshlink_open("channels_aio_conf.1", "foo", "channels", DEV_CLASS_BACKBONE);
123 meshlink_handle_t *mesh2 = meshlink_open("channels_aio_conf.2", "bar", "channels", DEV_CLASS_BACKBONE);
126 mesh2->priv = indata;
128 meshlink_set_log_cb(mesh1, MESHLINK_DEBUG, log_cb);
129 meshlink_set_log_cb(mesh2, MESHLINK_DEBUG, log_cb);
131 meshlink_enable_discovery(mesh1, false);
132 meshlink_enable_discovery(mesh2, false);
134 // Import and export both side's data
136 meshlink_add_address(mesh1, "localhost");
138 char *data = meshlink_export(mesh1);
140 assert(meshlink_import(mesh2, data));
143 data = meshlink_export(mesh2);
145 assert(meshlink_import(mesh1, data));
148 // Set the callbacks.
150 meshlink_set_channel_accept_cb(mesh1, reject_cb);
151 meshlink_set_channel_accept_cb(mesh2, accept_cb);
153 meshlink_set_node_status_cb(mesh1, status_cb);
155 // Start both instances
157 assert(meshlink_start(mesh1));
158 assert(meshlink_start(mesh2));
160 // Open a channel from foo to bar.
162 meshlink_node_t *bar = meshlink_get_node(mesh1, "bar");
165 meshlink_channel_t *channel = meshlink_channel_open(mesh1, bar, 7, NULL, NULL, 0);
168 // Send a large buffer of data.
170 assert(meshlink_channel_aio_send(mesh1, channel, outdata, size / 2, foo_aio_cb, NULL));
171 assert(meshlink_channel_aio_send(mesh1, channel, outdata + size / 2, size - size / 2, foo_aio_cb, NULL));
173 assert(wait_sync_flag(&bar_finished_flag, 10));
175 assert(foo_callbacks == 2);
176 assert(bar_received == size);
177 assert(!memcmp(indata, outdata, size));
181 meshlink_close(mesh2);
182 meshlink_close(mesh1);