X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fnode.c;h=9f1a78afed4248572800b22600947ed6df8f5cc7;hp=d2553625dbf9425c08b5e538a3d98b825715e714;hb=39fe3b445c2f20b325ee492dd1845877777b25c8;hpb=ec0c16b9b63f361b11a757ee1641d562e4811f93 diff --git a/src/node.c b/src/node.c index d2553625..9f1a78af 100644 --- a/src/node.c +++ b/src/node.c @@ -1,7 +1,7 @@ /* node.c -- node tree management - Copyright (C) 2001 Guus Sliepen , - 2001 Ivo Timmermans + Copyright (C) 2001-2004 Guus Sliepen , + 2001-2004 Ivo Timmermans 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 @@ -17,93 +17,177 @@ along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - $Id: node.c,v 1.1.2.1 2001/10/10 08:49:47 guus Exp $ + $Id$ */ -avl_tree_t *node_tree; /* Known nodes, sorted by name */ +#include "system.h" -int node_compare(connection_t *a, connection_t *b) +#include "avl_tree.h" +#include "logger.h" +#include "net.h" +#include "netutl.h" +#include "node.h" +#include "utils.h" +#include "xalloc.h" + +avl_tree_t *node_tree; /* Known nodes, sorted by name */ +avl_tree_t *node_udp_tree; /* Known nodes, sorted by address and port */ + +node_t *myself; + +static int node_compare(const node_t *a, const node_t *b) +{ + return strcmp(a->name, b->name); +} + +static int node_udp_compare(const node_t *a, const node_t *b) { - return strcmp(a->name, b->name); + int result; + + cp(); + + result = sockaddrcmp(&a->address, &b->address); + + if(result) + return result; + + return (a->name && b->name) ? strcmp(a->name, b->name) : 0; } void init_nodes(void) { -cp - node_tree = avl_alloc_tree((avl_compare_t)node_compare, NULL); -cp + cp(); + + node_tree = avl_alloc_tree((avl_compare_t) node_compare, (avl_action_t) free_node); + node_udp_tree = avl_alloc_tree((avl_compare_t) node_udp_compare, NULL); } void exit_nodes(void) { -cp - avl_delete_tree(node_tree); -cp + cp(); + + avl_delete_tree(node_udp_tree); + avl_delete_tree(node_tree); } node_t *new_node(void) { - node_t *n = (node_t *)xmalloc_and_zero(sizeof(*n)); -cp - n->subnet_tree = avl_alloc_tree((avl_compare_t)subnet_compare, NULL); - n->queue = list_alloc((list_action_t)free); -cp - return n; + node_t *n = xmalloc_and_zero(sizeof(*n)); + + cp(); + + n->subnet_tree = new_subnet_tree(); + n->edge_tree = new_edge_tree(); + n->queue = list_alloc((list_action_t) free); + EVP_CIPHER_CTX_init(&n->packet_ctx); + n->mtu = MTU; + n->maxmtu = MTU; + + return n; } void free_node(node_t *n) { -cp - if(n->queue) - list_delete_list(n->queue); - if(n->name) - free(n->name); - if(n->hostname) - free(n->hostname); - if(n->key) - free(n->key); - if(n->config) - clear_config(&n->config); - free(n); -cp + cp(); + + if(n->queue) + list_delete_list(n->queue); + + if(n->name) + free(n->name); + + if(n->hostname) + free(n->hostname); + + if(n->key) + free(n->key); + + if(n->subnet_tree) + free_subnet_tree(n->subnet_tree); + + if(n->edge_tree) + free_edge_tree(n->edge_tree); + + sockaddrfree(&n->address); + + EVP_CIPHER_CTX_cleanup(&n->packet_ctx); + + if(n->mtuevent) + event_del(n->mtuevent); + + free(n); } -node_t *lookup_node(char *name) +void node_add(node_t *n) { - node_t n; -cp - n.name = name; - return avl_search(node_tree, &n); + cp(); + + avl_insert(node_tree, n); } +void node_del(node_t *n) +{ + avl_node_t *node, *next; + edge_t *e; + subnet_t *s; + + cp(); + + for(node = n->subnet_tree->head; node; node = next) { + next = node->next; + s = node->data; + subnet_del(n, s); + } + + for(node = n->edge_tree->head; node; node = next) { + next = node->next; + e = node->data; + edge_del(e); + } + + avl_delete(node_tree, n); +} + +node_t *lookup_node(char *name) +{ + node_t n = {0}; + + cp(); + + n.name = name; + + return avl_search(node_tree, &n); +} -int read_host_config(nodet *n) +node_t *lookup_node_udp(const sockaddr_t *sa) { - char *fname; - int x; -cp - asprintf(&fname, "%s/hosts/%s", confbase, n->name); - x = read_config_file(&n->config, fname); - free(fname); -cp - return x; + node_t n = {0}; + + cp(); + + n.address = *sa; + n.name = NULL; + + return avl_search(node_udp_tree, &n); } void dump_nodes(void) { - avl_node_t *node; - node_t *n; -cp - syslog(LOG_DEBUG, _("Nodes:")); - - for(node = node_tree->head; node; node = node->next) - { - n = (connection_t *)node->data; - syslog(LOG_DEBUG, _(" %s at %s port %hd options %ld sockets %d, %d status %04x"), - n->name, n->hostname, n->port, n->options, - n->socket, n->meta_socket, n->status); - } - - syslog(LOG_DEBUG, _("End of nodes.")); -cp + avl_node_t *node; + node_t *n; + + cp(); + + logger(LOG_DEBUG, _("Nodes:")); + + for(node = node_tree->head; node; node = node->next) { + n = node->data; + logger(LOG_DEBUG, _(" %s at %s cipher %d digest %d maclength %d compression %d options %lx status %04x nexthop %s via %s pmtu %d (min %d max %d)"), + n->name, n->hostname, n->cipher ? n->cipher->nid : 0, + n->digest ? n->digest->type : 0, n->maclength, n->compression, + n->options, *(uint32_t *)&n->status, n->nexthop ? n->nexthop->name : "-", + n->via ? n->via->name : "-", n->mtu, n->minmtu, n->maxmtu); + } + + logger(LOG_DEBUG, _("End of nodes.")); }