/*
node.c -- node tree management
- Copyright (C) 2001-2013 Guus Sliepen <guus@tinc-vpn.org>,
- 2001-2005 Ivo Timmermans
+ Copyright (C) 2014 Guus Sliepen <guus@meshlink.io>,
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#include "system.h"
-#include "control_common.h"
#include "hash.h"
#include "logger.h"
+#include "meshlink_internal.h"
#include "net.h"
#include "netutl.h"
#include "node.h"
#include "utils.h"
#include "xalloc.h"
-splay_tree_t *node_tree;
-static hash_t *node_udp_cache;
-
-node_t *myself;
-
static int node_compare(const node_t *a, const node_t *b) {
return strcmp(a->name, b->name);
}
-void init_nodes(void) {
- node_tree = splay_alloc_tree((splay_compare_t) node_compare, (splay_action_t) free_node);
- node_udp_cache = hash_alloc(0x100, sizeof(sockaddr_t));
+void init_nodes(meshlink_handle_t *mesh) {
+ mesh->nodes = splay_alloc_tree((splay_compare_t) node_compare, (splay_action_t) free_node);
+ mesh->node_udp_cache = hash_alloc(0x100, sizeof(sockaddr_t));
}
-void exit_nodes(void) {
- hash_free(node_udp_cache);
- splay_delete_tree(node_tree);
+void exit_nodes(meshlink_handle_t *mesh) {
+ if(mesh->node_udp_cache) {
+ hash_free(mesh->node_udp_cache);
+ }
+
+ if(mesh->nodes) {
+ splay_delete_tree(mesh->nodes);
+ }
+
+ mesh->node_udp_cache = NULL;
+ mesh->nodes = NULL;
}
node_t *new_node(void) {
- node_t *n = xmalloc_and_zero(sizeof *n);
+ node_t *n = xzalloc(sizeof(*n));
- if(replaywin) n->late = xmalloc_and_zero(replaywin);
- n->subnet_tree = new_subnet_tree();
n->edge_tree = new_edge_tree();
n->mtu = MTU;
n->maxmtu = MTU;
+ n->devclass = DEV_CLASS_UNKNOWN;
return n;
}
void free_node(node_t *n) {
- if(n->subnet_tree)
- free_subnet_tree(n->subnet_tree);
+ n->status.destroyed = true;
+
+ utcp_exit(n->utcp);
- if(n->edge_tree)
+ if(n->edge_tree) {
free_edge_tree(n->edge_tree);
+ }
sockaddrfree(&n->address);
- cipher_close(n->incipher);
- digest_close(n->indigest);
- cipher_close(n->outcipher);
- digest_close(n->outdigest);
-
ecdsa_free(n->ecdsa);
sptps_stop(&n->sptps);
- timeout_del(&n->mtutimeout);
-
- if(n->hostname)
- free(n->hostname);
-
- if(n->name)
- free(n->name);
+ if(n->mtutimeout.cb) {
+ abort();
+ }
- if(n->late)
- free(n->late);
+ free(n->name);
+ free(n->canonical_address);
free(n);
}
-void node_add(node_t *n) {
- splay_insert(node_tree, n);
+void node_add(meshlink_handle_t *mesh, node_t *n) {
+ n->mesh = mesh;
+ splay_insert(mesh->nodes, n);
}
-void node_del(node_t *n) {
- for splay_each(subnet_t, s, n->subnet_tree)
- subnet_del(n, s);
+void node_del(meshlink_handle_t *mesh, node_t *n) {
+ timeout_del(&mesh->loop, &n->mtutimeout);
- for splay_each(edge_t, e, n->edge_tree)
- edge_del(e);
+ for splay_each(edge_t, e, n->edge_tree) {
+ edge_del(mesh, e);
+ }
- splay_delete(node_tree, n);
+ splay_delete(mesh->nodes, n);
}
-node_t *lookup_node(char *name) {
- node_t n = {NULL};
+node_t *lookup_node(meshlink_handle_t *mesh, const char *name) {
+ const node_t n = {.name = (char *)name};
+ node_t *result;
- n.name = name;
+ result = splay_search(mesh->nodes, &n);
- return splay_search(node_tree, &n);
+ return result;
}
-node_t *lookup_node_udp(const sockaddr_t *sa) {
- return hash_search(node_udp_cache, sa);
+node_t *lookup_node_udp(meshlink_handle_t *mesh, const sockaddr_t *sa) {
+ return hash_search(mesh->node_udp_cache, sa);
}
-void update_node_udp(node_t *n, const sockaddr_t *sa) {
- if(n == myself) {
- logger(DEBUG_ALWAYS, LOG_WARNING, "Trying to update UDP address of myself!");
+void update_node_udp(meshlink_handle_t *mesh, node_t *n, const sockaddr_t *sa) {
+ if(n == mesh->self) {
+ logger(mesh, MESHLINK_WARNING, "Trying to update UDP address of mesh->self!");
return;
}
- hash_insert(node_udp_cache, &n->address, NULL);
+ hash_insert(mesh->node_udp_cache, &n->address, NULL);
if(sa) {
n->address = *sa;
n->sock = 0;
- for(int i = 0; i < listen_sockets; i++) {
- if(listen_socket[i].sa.sa.sa_family == sa->sa.sa_family) {
+
+ for(int i = 0; i < mesh->listen_sockets; i++) {
+ if(mesh->listen_socket[i].sa.sa.sa_family == sa->sa.sa_family) {
n->sock = i;
break;
}
}
- hash_insert(node_udp_cache, sa, n);
- free(n->hostname);
- n->hostname = sockaddr2hostname(&n->address);
- logger(DEBUG_PROTOCOL, LOG_DEBUG, "UDP address of %s set to %s", n->name, n->hostname);
- }
-}
-
-bool dump_nodes(connection_t *c) {
- for splay_each(node_t, n, node_tree)
- send_request(c, "%d %d %s %s %d %d %d %d %x %x %s %s %d %hd %hd %hd %ld", CONTROL, REQ_DUMP_NODES,
- n->name, n->hostname ?: "unknown port unknown", cipher_get_nid(n->outcipher),
- digest_get_nid(n->outdigest), (int)digest_length(n->outdigest), n->outcompression,
- n->options, bitfield_to_int(&n->status, sizeof n->status), n->nexthop ? n->nexthop->name : "-",
- n->via ? n->via->name ?: "-" : "-", n->distance, n->mtu, n->minmtu, n->maxmtu, (long)n->last_state_change);
- return send_request(c, "%d %d", CONTROL, REQ_DUMP_NODES);
-}
+ hash_insert(mesh->node_udp_cache, sa, n);
-bool dump_traffic(connection_t *c) {
- for splay_each(node_t, n, node_tree)
- send_request(c, "%d %d %s %"PRIu64" %"PRIu64" %"PRIu64" %"PRIu64, CONTROL, REQ_DUMP_TRAFFIC,
- n->name, n->in_packets, n->in_bytes, n->out_packets, n->out_bytes);
+ meshlink_hint_address(mesh, (meshlink_node_t *)n, &sa->sa);
- return send_request(c, "%d %d", CONTROL, REQ_DUMP_TRAFFIC);
+ if(mesh->log_level <= MESHLINK_DEBUG) {
+ char *hostname = sockaddr2hostname(&n->address);
+ logger(mesh, MESHLINK_DEBUG, "UDP address of %s set to %s", n->name, hostname);
+ free(hostname);
+ }
+ }
}