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);
21 gettimeofday(&tv, NULL);
22 fprintf(stderr, "%u.%.03u ", (unsigned int)(tv.tv_sec - tv0.tv_sec), (unsigned int)tv.tv_usec / 1000);
25 fprintf(stderr, "(%s) ", mesh->name);
28 fprintf(stderr, "[%d] %s\n", level, text);
31 void status_cb(meshlink_handle_t *mesh, meshlink_node_t *node, bool reachable) {
34 printf("status_cb: %s %sreachable\n", node->name, reachable ? "" : "un");
36 if(!strcmp(node->name, "bar")) {
37 bar_reachable = reachable;
41 void foo_receive_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, const void *data, size_t len) {
45 printf("foo_receive_cb %zu: ", len);
46 fwrite(data, 1, len, stdout);
49 if(len == 5 && !memcmp(data, "Hello", 5)) {
54 void bar_receive_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, const void *data, size_t len) {
55 printf("bar_receive_cb %zu: ", len);
56 fwrite(data, 1, len, stdout);
58 // Echo the data back.
59 meshlink_channel_send(mesh, channel, data, len);
62 bool reject_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, uint16_t port, const void *data, size_t len) {
72 bool accept_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, uint16_t port, const void *data, size_t len) {
73 printf("accept_cb: (from %s on port %u) ", channel->node->name, (unsigned int)port);
76 fwrite(data, 1, len, stdout);
85 meshlink_set_channel_receive_cb(mesh, channel, bar_receive_cb);
88 bar_receive_cb(mesh, channel, data, len);
94 void poll_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, size_t len) {
97 meshlink_set_channel_poll_cb(mesh, channel, NULL);
99 if(meshlink_channel_send(mesh, channel, "Hello", 5) != 5) {
100 fprintf(stderr, "Could not send whole message\n");
105 meshlink_set_log_cb(NULL, MESHLINK_DEBUG, log_cb);
107 // Open two new meshlink instance.
109 meshlink_handle_t *mesh1 = meshlink_open("channels_conf.1", "foo", "channels", DEV_CLASS_BACKBONE);
112 fprintf(stderr, "Could not initialize configuration for foo\n");
116 meshlink_handle_t *mesh2 = meshlink_open("channels_conf.2", "bar", "channels", DEV_CLASS_BACKBONE);
119 fprintf(stderr, "Could not initialize configuration for bar\n");
123 meshlink_enable_discovery(mesh1, false);
124 meshlink_enable_discovery(mesh2, false);
125 meshlink_set_log_cb(mesh1, MESHLINK_DEBUG, log_cb);
126 meshlink_set_log_cb(mesh2, MESHLINK_DEBUG, log_cb);
128 // Import and export both side's data
130 meshlink_add_address(mesh1, "localhost");
132 char *data = meshlink_export(mesh1);
135 fprintf(stderr, "Foo could not export its configuration\n");
139 if(!meshlink_import(mesh2, data)) {
140 fprintf(stderr, "Bar could not import foo's configuration\n");
146 data = meshlink_export(mesh2);
149 fprintf(stderr, "Bar could not export its configuration\n");
153 if(!meshlink_import(mesh1, data)) {
154 fprintf(stderr, "Foo could not import bar's configuration\n");
160 // Set the callbacks.
162 meshlink_set_channel_accept_cb(mesh1, reject_cb);
163 meshlink_set_channel_accept_cb(mesh2, accept_cb);
165 meshlink_set_node_status_cb(mesh1, status_cb);
167 // Start both instances
169 if(!meshlink_start(mesh1)) {
170 fprintf(stderr, "Foo could not start\n");
174 if(!meshlink_start(mesh2)) {
175 fprintf(stderr, "Bar could not start\n");
179 // Wait for the two to connect.
181 for(int i = 0; i < 20; i++) {
190 fprintf(stderr, "Bar not reachable for foo after 20 seconds\n");
194 // Open a channel from foo to bar.
196 meshlink_node_t *bar = meshlink_get_node(mesh1, "bar");
199 fprintf(stderr, "Foo could not find bar\n");
203 meshlink_channel_t *channel = meshlink_channel_open(mesh1, bar, 7, foo_receive_cb, NULL, 0);
204 meshlink_set_channel_poll_cb(mesh1, channel, poll_cb);
206 for(int i = 0; i < 20; i++) {
215 fprintf(stderr, "Bar did not respond to foo's channel message\n");
219 meshlink_channel_close(mesh1, channel);
223 meshlink_stop(mesh2);
224 meshlink_stop(mesh1);
225 meshlink_close(mesh2);
226 meshlink_close(mesh1);