7 #include "../src/meshlink.h"
8 #include "../src/node.h"
10 volatile bool bar_reachable = false;
11 volatile bool bar_responded = false;
13 void log_cb(meshlink_handle_t *mesh, meshlink_log_level_t level, const char *text) {
14 static struct timeval tv0;
18 gettimeofday(&tv0, NULL);
19 gettimeofday(&tv, NULL);
20 fprintf(stderr, "%u.%.03u ", (unsigned int)(tv.tv_sec-tv0.tv_sec), (unsigned int)tv.tv_usec/1000);
23 fprintf(stderr, "(%s) ", mesh->name);
24 fprintf(stderr, "[%d] %s\n", level, text);
27 void status_cb(meshlink_handle_t *mesh, meshlink_node_t *node, bool reachable) {
28 printf("status_cb: %s %sreachable\n", node->name, reachable?"":"un");
29 if(!strcmp(node->name, "bar"))
30 bar_reachable = reachable;
33 void foo_receive_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, const void *data, size_t len) {
34 printf("foo_receive_cb %zu: ", len);
35 fwrite(data, 1, len, stdout);
37 if(len == 5 && !memcmp(data, "Hello", 5))
41 void bar_receive_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, const void *data, size_t len) {
42 printf("bar_receive_cb %zu: ", len);
43 fwrite(data, 1, len, stdout);
45 // Echo the data back.
46 meshlink_channel_send(mesh, channel, data, len);
49 bool reject_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, uint16_t port, const void *data, size_t len) {
53 bool accept_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, uint16_t port, const void *data, size_t len) {
54 printf("accept_cb: (from %s on port %u) ", channel->node->name, (unsigned int)port);
56 fwrite(data, 1, len, stdout);
62 meshlink_set_channel_receive_cb(mesh, channel, bar_receive_cb);
64 bar_receive_cb(mesh, channel, data, len);
68 void poll_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, size_t len) {
69 meshlink_set_channel_poll_cb(mesh, channel, NULL);
70 if(meshlink_channel_send(mesh, channel, "Hello", 5) != 5)
71 fprintf(stderr, "Could not send whole message\n");
74 int main(int argc, char *argv[]) {
75 meshlink_set_log_cb(NULL, MESHLINK_DEBUG, log_cb);
77 // Open two new meshlink instance.
79 meshlink_handle_t *mesh1 = meshlink_open("channels_conf.1", "foo", "channels", DEV_CLASS_BACKBONE);
81 fprintf(stderr, "Could not initialize configuration for foo\n");
85 meshlink_handle_t *mesh2 = meshlink_open("channels_conf.2", "bar", "channels", DEV_CLASS_BACKBONE);
87 fprintf(stderr, "Could not initialize configuration for bar\n");
91 meshlink_enable_discovery(mesh1, false);
92 meshlink_enable_discovery(mesh2, false);
93 meshlink_set_log_cb(mesh1, MESHLINK_DEBUG, log_cb);
94 meshlink_set_log_cb(mesh2, MESHLINK_DEBUG, log_cb);
96 // Import and export both side's data
98 meshlink_add_address(mesh1, "localhost");
100 char *data = meshlink_export(mesh1);
102 fprintf(stderr, "Foo could not export its configuration\n");
106 if(!meshlink_import(mesh2, data)) {
107 fprintf(stderr, "Bar could not import foo's configuration\n");
113 data = meshlink_export(mesh2);
115 fprintf(stderr, "Bar could not export its configuration\n");
119 if(!meshlink_import(mesh1, data)) {
120 fprintf(stderr, "Foo could not import bar's configuration\n");
126 // Set the callbacks.
128 meshlink_set_channel_accept_cb(mesh1, reject_cb);
129 meshlink_set_channel_accept_cb(mesh2, accept_cb);
131 meshlink_set_node_status_cb(mesh1, status_cb);
133 // Start both instances
135 if(!meshlink_start(mesh1)) {
136 fprintf(stderr, "Foo could not start\n");
140 if(!meshlink_start(mesh2)) {
141 fprintf(stderr, "Bar could not start\n");
145 // Wait for the two to connect.
147 for(int i = 0; i < 20; i++) {
154 fprintf(stderr, "Bar not reachable for foo after 20 seconds\n");
158 // Open a channel from foo to bar.
160 meshlink_node_t *bar = meshlink_get_node(mesh1, "bar");
162 fprintf(stderr, "Foo could not find bar\n");
166 meshlink_channel_t *channel = meshlink_channel_open(mesh1, bar, 7, foo_receive_cb, NULL, 0);
167 meshlink_set_channel_poll_cb(mesh1, channel, poll_cb);
169 for(int i = 0; i < 20; i++) {
176 fprintf(stderr, "Bar did not respond to foo's channel message\n");
180 meshlink_channel_close(mesh1, channel);
184 meshlink_stop(mesh2);
185 meshlink_stop(mesh1);
186 meshlink_close(mesh2);
187 meshlink_close(mesh1);