-int send_add_edge(connection_t *c, edge_t *e)
-{
- int x;
- char *from_udpaddress, *from_udpport;
- char *to_udpaddress, *to_udpport;
-cp
-// sockaddr2str(&e->from.tcpaddress, &from_tcpaddress, &from_tcpport);
- sockaddr2str(&e->from.udpaddress, &from_udpaddress, &from_udpport);
-// sockaddr2str(&e->to.tcpaddress, &to_tcpaddress, &to_tcpport);
- sockaddr2str(&e->to.udpaddress, &to_udpaddress, &to_udpport);
- x = send_request(c, "%d %lx %s %s %s %s %s %s %lx %d", ADD_EDGE, random(),
- e->from.node->name, from_udpaddress, from_udpport,
- e->to.node->name, to_udpaddress, to_udpport,
- e->options, e->weight);
-// free(from_tcpaddress);
-// free(from_tcpport);
- free(from_udpaddress);
- free(from_udpport);
-// free(to_tcpaddress);
-// free(to_tcpport);
- free(to_udpaddress);
- free(to_udpport);
-cp
- return x;
+ if(sscanf(request, "%*d %*x "MAX_STRING" %d "MAX_STRING" "MAX_STRING" "MAX_STRING" "MAX_STRING" %d "MAX_STRING" %x %d %d",
+ from_name, &from_devclass, from_submesh_name, to_name, to_address, to_port, &to_devclass, to_submesh_name,
+ &options, &weight, &contradictions) < 10) {
+ logger(mesh, MESHLINK_ERROR, "Got bad %s from %s", "ADD_EDGE", c->name);
+ return false;
+ }
+
+ // Check if devclasses are valid
+
+ if(from_devclass < 0 || from_devclass > _DEV_CLASS_MAX) {
+ logger(mesh, MESHLINK_ERROR, "Got bad %s from %s: %s", "ADD_EDGE", c->name, "from devclass invalid");
+ return false;
+ }
+
+ if(to_devclass < 0 || to_devclass > _DEV_CLASS_MAX) {
+ logger(mesh, MESHLINK_ERROR, "Got bad %s from %s: %s", "ADD_EDGE", c->name, "to devclass invalid");
+ return false;
+ }
+
+ if(0 == strcmp(from_submesh_name, "")) {
+ logger(mesh, MESHLINK_ERROR, "Got bad %s from %s: %s", "ADD_EDGE", c->name, "invalid submesh id");
+ return false;
+ }
+
+ if(0 == strcmp(to_submesh_name, "")) {
+ logger(mesh, MESHLINK_ERROR, "Got bad %s from %s: %s", "ADD_EDGE", c->name, "invalid submesh id");
+ return false;
+ }
+
+ if(seen_request(mesh, request)) {
+ return true;
+ }
+
+ /* Lookup nodes */
+
+ from = lookup_node(mesh, from_name);
+ to = lookup_node(mesh, to_name);
+
+ if(!from) {
+ from = new_node();
+ from->status.blacklisted = mesh->default_blacklist;
+ from->name = xstrdup(from_name);
+
+ from->submesh = NULL;
+
+ if(0 != strcmp(from_submesh_name, CORE_MESH)) {
+ if(!(from->submesh = lookup_or_create_submesh(mesh, from_submesh_name))) {
+ return false;
+ }
+ }
+
+ node_add(mesh, from);
+ }
+
+ if(contradictions > 50) {
+ handle_duplicate_node(mesh, from);
+ }
+
+ from->devclass = from_devclass;
+ node_write_devclass(mesh, from);
+
+ if(from->submesh) {
+ node_write_submesh(mesh, from);
+ }
+
+ if(!to) {
+ to = new_node();
+ to->status.blacklisted = mesh->default_blacklist;
+ to->name = xstrdup(to_name);
+
+ to->submesh = NULL;
+
+ if(0 != strcmp(to_submesh_name, CORE_MESH)) {
+ if(!(to->submesh = lookup_or_create_submesh(mesh, to_submesh_name))) {
+ return false;
+
+ }
+ }
+
+ node_add(mesh, to);
+ }
+
+ to->devclass = to_devclass;
+ node_write_devclass(mesh, to);
+
+ if(to->submesh) {
+ node_write_submesh(mesh, to);
+ }
+
+ /* Convert addresses */
+
+ address = str2sockaddr(to_address, to_port);
+
+ /* Check if edge already exists */
+
+ e = lookup_edge(from, to);
+
+ if(e) {
+ if(e->weight != weight || e->options != options || sockaddrcmp(&e->address, &address)) {
+ if(from == mesh->self) {
+ logger(mesh, MESHLINK_WARNING, "Got %s from %s for ourself which does not match existing entry",
+ "ADD_EDGE", c->name);
+ send_add_edge(mesh, c, e, 0);
+ return true;
+ } else {
+ logger(mesh, MESHLINK_WARNING, "Got %s from %s which does not match existing entry",
+ "ADD_EDGE", c->name);
+ edge_del(mesh, e);
+ graph(mesh);
+ }
+ } else {
+ return true;
+ }
+ } else if(from == mesh->self) {
+ logger(mesh, MESHLINK_WARNING, "Got %s from %s for ourself which does not exist",
+ "ADD_EDGE", c->name);
+ mesh->contradicting_add_edge++;
+ e = new_edge();
+ e->from = from;
+ e->to = to;
+ send_del_edge(mesh, c, e, mesh->contradicting_add_edge);
+ free_edge(e);
+ return true;
+ }
+
+ e = new_edge();
+ e->from = from;
+ e->to = to;
+ e->address = address;
+ e->options = options;
+ e->weight = weight;
+ edge_add(mesh, e);
+
+ /* Run MST before or after we tell the rest? */
+
+ graph(mesh);
+
+ if(e->from->submesh && e->to->submesh && (e->from->submesh != e->to->submesh)) {
+ logger(mesh, MESHLINK_ERROR, "Dropping add edge ( %s to %s )", e->from->submesh->name, e->to->submesh->name);
+ return false;
+ }
+
+ if(e->from->submesh) {
+ s = e->from->submesh;
+ } else {
+ s = e->to->submesh;
+ }
+
+ /* Tell the rest about the new edge */
+
+ forward_request(mesh, c, s, request);
+
+ return true;