6 #include "../src/meshlink.h"
8 volatile bool bar_reachable = false;
9 volatile bool bar_responded = false;
11 void log_cb(meshlink_handle_t *mesh, meshlink_log_level_t level, const char *text) {
13 fprintf(stderr, "(%s) ", mesh->name);
14 fprintf(stderr, "[%d] %s\n", level, text);
17 void status_cb(meshlink_handle_t *mesh, meshlink_node_t *node, bool reachable) {
18 if(!strcmp(node->name, "bar"))
19 bar_reachable = reachable;
22 void foo_receive_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, const void *data, size_t len) {
23 if(len == 5 && !memcmp(data, "Hello", 5))
27 void bar_receive_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, const void *data, size_t len) {
28 // Echo the data back.
29 meshlink_channel_send(mesh, channel, data, len);
32 bool reject_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, uint16_t port, const void *data, size_t len) {
36 bool accept_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, uint16_t port, const void *data, size_t len) {
39 meshlink_set_channel_receive_cb(mesh, channel, bar_receive_cb);
41 bar_receive_cb(mesh, channel, data, len);
45 void poll_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, size_t len) {
46 meshlink_set_channel_poll_cb(mesh, channel, NULL);
47 if(meshlink_channel_send(mesh, channel, "Hello", 5) != 5)
48 fprintf(stderr, "Could not send whole message\n");
51 int main(int argc, char *argv[]) {
52 meshlink_set_log_cb(NULL, MESHLINK_DEBUG, log_cb);
54 // Open two new meshlink instance.
56 meshlink_handle_t *mesh1 = meshlink_open("channels_conf.1", "foo", "channels", DEV_CLASS_BACKBONE);
58 fprintf(stderr, "Could not initialize configuration for foo\n");
62 meshlink_handle_t *mesh2 = meshlink_open("channels_conf.2", "bar", "channels", DEV_CLASS_BACKBONE);
64 fprintf(stderr, "Could not initialize configuration for bar\n");
68 // Import and export both side's data
70 meshlink_add_address(mesh1, "localhost");
71 meshlink_add_address(mesh2, "localhost");
73 char *data = meshlink_export(mesh1);
75 fprintf(stderr, "Foo could not export its configuration\n");
79 if(!meshlink_import(mesh2, data)) {
80 fprintf(stderr, "Bar could not import foo's configuration\n");
86 data = meshlink_export(mesh2);
88 fprintf(stderr, "Bar could not export its configuration\n");
92 if(!meshlink_import(mesh1, data)) {
93 fprintf(stderr, "Foo could not import bar's configuration\n");
101 meshlink_set_channel_accept_cb(mesh1, reject_cb);
102 meshlink_set_channel_accept_cb(mesh2, accept_cb);
104 meshlink_set_node_status_cb(mesh1, status_cb);
106 // Start both instances
108 if(!meshlink_start(mesh1)) {
109 fprintf(stderr, "Foo could not start\n");
115 if(!meshlink_start(mesh2)) {
116 fprintf(stderr, "Bar could not start\n");
120 // Wait for the two to connect.
122 for(int i = 0; i < 20; i++) {
129 fprintf(stderr, "Bar not reachable for foo after 20 seconds\n");
135 // Open a channel from foo to bar.
137 meshlink_node_t *bar = meshlink_get_node(mesh1, "bar");
139 fprintf(stderr, "Foo could not find bar\n");
143 meshlink_channel_t *channel = meshlink_channel_open(mesh1, bar, 7, foo_receive_cb, NULL, 0);
144 meshlink_set_channel_poll_cb(mesh1, channel, poll_cb);
146 for(int i = 0; i < 5; i++) {
153 fprintf(stderr, "Bar did not respond to foo's channel message\n");
157 meshlink_channel_close(mesh1, channel);
161 meshlink_stop(mesh2);
162 meshlink_stop(mesh1);
163 meshlink_close(mesh2);
164 meshlink_close(mesh1);