volatile bool baz_reachable = false;
void status_cb(meshlink_handle_t *mesh, meshlink_node_t *node, bool reachable) {
- if(!strcmp(node->name, "baz"))
+ (void)mesh;
+
+ if(!strcmp(node->name, "baz")) {
baz_reachable = reachable;
+ }
}
-int main(int argc, char *argv[]) {
+int main() {
// Open two new meshlink instance.
- meshlink_handle_t *mesh1 = meshlink_open("invite_join_conf.1", "foo");
+ meshlink_handle_t *mesh1 = meshlink_open("invite_join_conf.1", "foo", "invite-join", DEV_CLASS_BACKBONE);
+
if(!mesh1) {
fprintf(stderr, "Could not initialize configuration for foo\n");
return 1;
}
- meshlink_handle_t *mesh2 = meshlink_open("invite_join_conf.2", "bar");
+ meshlink_handle_t *mesh2 = meshlink_open("invite_join_conf.2", "bar", "invite-join", DEV_CLASS_BACKBONE);
+
if(!mesh2) {
fprintf(stderr, "Could not initialize configuration for bar\n");
return 1;
}
- // Start the first instance and have it generate an invitation.
+ meshlink_handle_t *mesh3 = meshlink_open("invite_join_conf.3", "quux", "invite-join", DEV_CLASS_BACKBONE);
+
+ if(!mesh3) {
+ fprintf(stderr, "Could not initialize configuration for quux\n");
+ return 1;
+ }
+
+ // Disable local discovery.
+
+ meshlink_enable_discovery(mesh1, false);
+ meshlink_enable_discovery(mesh2, false);
+ meshlink_enable_discovery(mesh3, false);
+
+ // Start the first instance and have it generate invitations.
meshlink_set_node_status_cb(mesh1, status_cb);
-
+
if(!meshlink_start(mesh1)) {
fprintf(stderr, "Foo could not start\n");
return 1;
}
meshlink_add_address(mesh1, "localhost");
- char *url = meshlink_invite(mesh1, "baz");
- if(!url) {
+ char *baz_url = meshlink_invite(mesh1, "baz");
+
+ if(!baz_url) {
fprintf(stderr, "Foo could not generate an invitation for baz\n");
return 1;
}
+ char *quux_url = meshlink_invite(mesh1, "quux");
+
+ if(!quux_url) {
+ fprintf(stderr, "Foo could not generate an invitation for quux\n");
+ return 1;
+ }
+
// Have the second instance join the first.
- if(!meshlink_join(mesh2, url)) {
+ if(!meshlink_join(mesh2, baz_url)) {
fprintf(stderr, "Baz could not join foo's mesh\n");
return 1;
}
- free(url);
+ free(baz_url);
if(!meshlink_start(mesh2)) {
fprintf(stderr, "Baz could not start\n");
for(int i = 0; i < 60; i++) {
sleep(1);
- if(baz_reachable)
+
+ if(baz_reachable) {
break;
+ }
}
if(!baz_reachable) {
return 1;
}
+ int pmtu = meshlink_get_pmtu(mesh1, meshlink_get_node(mesh1, "baz"));
+
+ for(int i = 0; i < 10 && !pmtu; i++) {
+ sleep(1);
+ pmtu = meshlink_get_pmtu(mesh1, meshlink_get_node(mesh1, "baz"));
+ }
+
+ if(!pmtu) {
+ fprintf(stderr, "UDP communication with baz not possible after 10 seconds\n");
+ return 1;
+ }
+
+ // Check that nodes cannot join with expired invitations
+
+ meshlink_set_invitation_timeout(mesh1, 0);
+
+ if(meshlink_join(mesh3, quux_url)) {
+ fprintf(stderr, "Quux could join foo's mesh using an outdated invitation\n");
+ return 1;
+ }
+
+ free(quux_url);
+
// Clean up.
meshlink_stop(mesh2);