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");
72 char *data = meshlink_export(mesh1);
74 fprintf(stderr, "Foo could not export its configuration\n");
78 if(!meshlink_import(mesh2, data)) {
79 fprintf(stderr, "Bar could not import foo's configuration\n");
85 data = meshlink_export(mesh2);
87 fprintf(stderr, "Bar could not export its configuration\n");
91 if(!meshlink_import(mesh1, data)) {
92 fprintf(stderr, "Foo could not import bar's configuration\n");
100 meshlink_set_channel_accept_cb(mesh1, reject_cb);
101 meshlink_set_channel_accept_cb(mesh2, accept_cb);
103 meshlink_set_node_status_cb(mesh1, status_cb);
105 // Start both instances
107 if(!meshlink_start(mesh1)) {
108 fprintf(stderr, "Foo could not start\n");
112 if(!meshlink_start(mesh2)) {
113 fprintf(stderr, "Bar could not start\n");
117 // Wait for the two to connect.
119 for(int i = 0; i < 20; i++) {
126 fprintf(stderr, "Bar not reachable for foo after 20 seconds\n");
130 // Open a channel from foo to bar.
132 meshlink_node_t *bar = meshlink_get_node(mesh1, "bar");
134 fprintf(stderr, "Foo could not find bar\n");
138 meshlink_channel_t *channel = meshlink_channel_open(mesh1, bar, 7, foo_receive_cb, NULL, 0);
139 meshlink_set_channel_poll_cb(mesh1, channel, poll_cb);
141 for(int i = 0; i < 5; i++) {
148 fprintf(stderr, "Bar did not respond to foo's channel message\n");
152 meshlink_channel_close(mesh1, channel);
156 meshlink_stop(mesh2);
157 meshlink_stop(mesh1);
158 meshlink_close(mesh2);
159 meshlink_close(mesh1);