11 static const size_t size = 10000000; // size of data to transfer
12 static bool bar_reachable = false;
13 static int bar_callbacks = 0;
14 static int foo_callbacks = 0;
15 static size_t bar_received = 0;
16 static struct sync_flag bar_finished_flag;
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 status_cb(meshlink_handle_t *mesh, meshlink_node_t *node, bool reachable) {
39 if(!strcmp(node->name, "bar")) {
40 bar_reachable = reachable;
44 void foo_aio_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, const void *data, size_t len, void *priv) {
54 void bar_aio_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, const void *data, size_t len, void *priv) {
64 if(bar_received >= size) {
65 set_sync_flag(&bar_finished_flag, true);
69 bool reject_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, uint16_t port, const void *data, size_t len) {
79 bool accept_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, uint16_t port, const void *data, size_t len) {
83 char *outdata = mesh->priv;
85 meshlink_set_channel_receive_cb(mesh, channel, NULL);
86 assert(meshlink_channel_aio_receive(mesh, channel, outdata, size / 4, bar_aio_cb, NULL));
87 assert(meshlink_channel_aio_receive(mesh, channel, outdata + size / 4, size - size / 4, bar_aio_cb, NULL));
92 void poll_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, size_t len) {
95 meshlink_set_channel_poll_cb(mesh, channel, NULL);
96 assert(meshlink_channel_send(mesh, channel, "Hello", 5) == 5);
99 int main(int argc, char *argv[]) {
103 // Prepare data buffers
105 char *outdata = malloc(size);
106 char *indata = malloc(size);
111 for(size_t i = 0; i < size; i++) {
115 memset(indata, 0, size);
117 meshlink_set_log_cb(NULL, MESHLINK_DEBUG, log_cb);
119 // Open two new meshlink instance.
121 meshlink_destroy("channels_aio_conf.1");
122 meshlink_destroy("channels_aio_conf.2");
124 meshlink_handle_t *mesh1 = meshlink_open("channels_aio_conf.1", "foo", "channels", DEV_CLASS_BACKBONE);
127 meshlink_handle_t *mesh2 = meshlink_open("channels_aio_conf.2", "bar", "channels", DEV_CLASS_BACKBONE);
130 mesh2->priv = indata;
132 meshlink_set_log_cb(mesh1, MESHLINK_DEBUG, log_cb);
133 meshlink_set_log_cb(mesh2, MESHLINK_DEBUG, log_cb);
135 meshlink_enable_discovery(mesh1, false);
136 meshlink_enable_discovery(mesh2, false);
138 // Import and export both side's data
140 meshlink_add_address(mesh1, "localhost");
142 char *data = meshlink_export(mesh1);
144 assert(meshlink_import(mesh2, data));
147 data = meshlink_export(mesh2);
149 assert(meshlink_import(mesh1, data));
152 // Set the callbacks.
154 meshlink_set_channel_accept_cb(mesh1, reject_cb);
155 meshlink_set_channel_accept_cb(mesh2, accept_cb);
157 meshlink_set_node_status_cb(mesh1, status_cb);
159 // Start both instances
161 assert(meshlink_start(mesh1));
162 assert(meshlink_start(mesh2));
164 // Open a channel from foo to bar.
166 meshlink_node_t *bar = meshlink_get_node(mesh1, "bar");
169 meshlink_channel_t *channel = meshlink_channel_open(mesh1, bar, 7, NULL, NULL, 0);
172 // Send a large buffer of data.
174 assert(meshlink_channel_aio_send(mesh1, channel, outdata, size / 2, foo_aio_cb, NULL));
175 assert(meshlink_channel_aio_send(mesh1, channel, outdata + size / 2, size - size / 2, foo_aio_cb, NULL));
177 assert(wait_sync_flag(&bar_finished_flag, 10));
179 assert(foo_callbacks == 2);
180 assert(bar_callbacks == 2);
181 assert(bar_received == size);
182 assert(!memcmp(indata, outdata, size));
186 meshlink_close(mesh2);
187 meshlink_close(mesh1);