+ if(flags & IO_WRITE)
+ handle_meta_write(mesh, c);
+ else
+ handle_meta_connection_data(mesh, c);
+}
+
+// Find edges pointing to this node, and use them to build a list of unique, known addresses.
+static struct addrinfo *get_known_addresses(node_t *n) {
+ struct addrinfo *ai = NULL;
+
+ for splay_each(edge_t, e, n->edge_tree) {
+ if(!e->reverse)
+ continue;
+
+ bool found = false;
+ for(struct addrinfo *aip = ai; aip; aip = aip->ai_next) {
+ if(!sockaddrcmp(&e->reverse->address, (sockaddr_t *)aip->ai_addr)) {
+ found = true;
+ break;
+ }
+ }
+ if(found)
+ continue;
+
+ // Create a new struct addrinfo, and put it at the head of the list.
+ struct addrinfo *nai = xzalloc(sizeof(*nai) + SALEN(e->reverse->address.sa));
+ nai->ai_next = ai;
+ ai = nai;
+
+ ai->ai_family = e->reverse->address.sa.sa_family;
+ ai->ai_socktype = SOCK_STREAM;
+ ai->ai_protocol = IPPROTO_TCP;
+ ai->ai_addrlen = SALEN(e->reverse->address.sa);
+ ai->ai_addr = (struct sockaddr *)(nai + 1);
+ memcpy(ai->ai_addr, &e->reverse->address, ai->ai_addrlen);
+ }
+
+ return ai;
+}
+
+// Free struct addrinfo list from get_known_addresses().
+static void free_known_addresses(struct addrinfo *ai) {
+ for(struct addrinfo *aip = ai, *next; aip; aip = next) {
+ next = aip->ai_next;
+ free(aip);
+ }
+}
+
+bool do_outgoing_connection(meshlink_handle_t *mesh, outgoing_t *outgoing) {
+ char *address, *port, *space;
+ struct addrinfo *proxyai = NULL;
+ int result;
+
+begin:
+ if(!outgoing->ai && !outgoing->nai) {
+ if(!outgoing->cfg) {
+ logger(mesh, MESHLINK_ERROR, "Could not set up a meta connection to %s", outgoing->name);
+ retry_outgoing(mesh, outgoing);
+ return false;
+ }
+
+ get_config_string(outgoing->cfg, &address);