X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fnode.c;h=53013d2d66e43b7b4c90f9767d55d20e080a39a8;hb=a85198d20f24cd4e20ec5c57e402611fef8b137a;hp=fb4b7eb4ca88293daf0affff0da340874c98bc90;hpb=f0afde0467443969eb408090d6b8ee542768ee33;p=tinc diff --git a/src/node.c b/src/node.c index fb4b7eb4..53013d2d 100644 --- a/src/node.c +++ b/src/node.c @@ -20,8 +20,8 @@ #include "system.h" +#include "address_cache.h" #include "control_common.h" -#include "hash.h" #include "logger.h" #include "net.h" #include "netutl.h" @@ -32,11 +32,6 @@ #include "ed25519/sha512.h" -splay_tree_t *node_tree; -static splay_tree_t *node_id_tree; -static hash_t *node_udp_cache; -static hash_t *node_id_cache; - node_t *myself; static int node_compare(const node_t *a, const node_t *b) { @@ -47,46 +42,63 @@ static int node_id_compare(const node_t *a, const node_t *b) { return memcmp(&a->id, &b->id, sizeof(node_id_t)); } -void init_nodes(void) { - node_tree = splay_alloc_tree((splay_compare_t) node_compare, (splay_action_t) free_node); - node_id_tree = splay_alloc_tree((splay_compare_t) node_id_compare, NULL); - node_udp_cache = hash_alloc(0x100, sizeof(sockaddr_t)); - node_id_cache = hash_alloc(0x100, sizeof(node_id_t)); +static int node_udp_compare(const node_t *a, const node_t *b) { + int result = sockaddrcmp(&a->address, &b->address); + + if(result) { + return result; + } + + return (a->name && b->name) ? strcmp(a->name, b->name) : 0; } +splay_tree_t node_tree = { + .compare = (splay_compare_t) node_compare, + .delete = (splay_action_t) free_node, +}; + +static splay_tree_t node_id_tree = { + .compare = (splay_compare_t) node_id_compare, +}; + +static splay_tree_t node_udp_tree = { + .compare = (splay_compare_t) node_udp_compare, +}; + void exit_nodes(void) { - hash_free(node_id_cache); - hash_free(node_udp_cache); - splay_delete_tree(node_id_tree); - splay_delete_tree(node_tree); + splay_empty_tree(&node_udp_tree); + splay_empty_tree(&node_id_tree); + splay_empty_tree(&node_tree); } node_t *new_node(void) { - node_t *n = xzalloc(sizeof *n); + node_t *n = xzalloc(sizeof(*n)); + + if(replaywin) { + n->late = xzalloc(replaywin); + } + + init_subnet_tree(&n->subnet_tree); + init_edge_tree(&n->edge_tree); - if(replaywin) n->late = xzalloc(replaywin); - n->subnet_tree = new_subnet_tree(); - n->edge_tree = new_edge_tree(); n->mtu = MTU; n->maxmtu = MTU; + n->udp_ping_rtt = -1; return n; } void free_node(node_t *n) { - if(n->subnet_tree) - free_subnet_tree(n->subnet_tree); - - if(n->edge_tree) - free_edge_tree(n->edge_tree); + splay_empty_tree(&n->subnet_tree); + splay_empty_tree(&n->edge_tree); sockaddrfree(&n->address); #ifndef DISABLE_LEGACY - cipher_close(n->incipher); - digest_close(n->indigest); - cipher_close(n->outcipher); - digest_close(n->outdigest); + cipher_free(&n->incipher); + digest_free(&n->indigest); + cipher_free(&n->outcipher); + digest_free(&n->outdigest); #endif ecdsa_free(n->ecdsa); @@ -94,63 +106,57 @@ void free_node(node_t *n) { timeout_del(&n->udp_ping_timeout); - if(n->hostname) - free(n->hostname); - - if(n->name) - free(n->name); + free(n->hostname); + free(n->name); + free(n->late); - if(n->late) - free(n->late); + if(n->address_cache) { + close_address_cache(n->address_cache); + } free(n); } void node_add(node_t *n) { unsigned char buf[64]; - sha512(n->name, strlen(n->name),buf); - memcpy(&n->id, buf, sizeof n->id); + sha512(n->name, strlen(n->name), buf); + memcpy(&n->id, buf, sizeof(n->id)); - splay_insert(node_tree, n); - splay_insert(node_id_tree, n); + splay_insert(&node_tree, n); + splay_insert(&node_id_tree, n); } void node_del(node_t *n) { - hash_delete(node_udp_cache, &n->address); - hash_delete(node_id_cache, &n->id); + splay_delete(&node_udp_tree, n); - for splay_each(subnet_t, s, n->subnet_tree) + for splay_each(subnet_t, s, &n->subnet_tree) { subnet_del(n, s); + } - for splay_each(edge_t, e, n->edge_tree) + for splay_each(edge_t, e, &n->edge_tree) { edge_del(e); + } - splay_delete(node_id_tree, n); - splay_delete(node_tree, n); + splay_delete(&node_id_tree, n); + splay_delete(&node_tree, n); } node_t *lookup_node(char *name) { - node_t n = {NULL}; + node_t n = {0}; n.name = name; - return splay_search(node_tree, &n); + return splay_search(&node_tree, &n); } node_t *lookup_node_id(const node_id_t *id) { - node_t *n = hash_search(node_id_cache, id); - if(!n) { - node_t tmp = {.id = *id}; - n = splay_search(node_id_tree, &tmp); - if(n) - hash_insert(node_id_cache, id, n); - } - - return n; + node_t n = {.id = *id}; + return splay_search(&node_id_tree, &n); } node_t *lookup_node_udp(const sockaddr_t *sa) { - return hash_search(node_udp_cache, sa); + node_t tmp = {.address = *sa}; + return splay_search(&node_udp_tree, &tmp); } void update_node_udp(node_t *n, const sockaddr_t *sa) { @@ -159,18 +165,20 @@ void update_node_udp(node_t *n, const sockaddr_t *sa) { return; } - hash_delete(node_udp_cache, &n->address); + splay_delete(&node_udp_tree, n); 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) { n->sock = i; break; } } - hash_insert(node_udp_cache, sa, n); + + splay_insert(&node_udp_tree, 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); @@ -186,30 +194,34 @@ void update_node_udp(node_t *n, const sockaddr_t *sa) { } bool dump_nodes(connection_t *c) { - for splay_each(node_t, n, node_tree) { - char id[2 * sizeof n->id + 1]; - for (size_t c = 0; c < sizeof n->id; ++c) - sprintf(id + 2 * c, "%02hhx", n->id.x[c]); - id[sizeof id - 1] = 0; - send_request(c, "%d %d %s %s %s %d %d %d %d %x %x %s %s %d %hd %hd %hd %ld", CONTROL, REQ_DUMP_NODES, - n->name, id, n->hostname ?: "unknown port unknown", + for splay_each(node_t, n, &node_tree) { + char id[2 * sizeof(n->id) + 1]; + + for(size_t c = 0; c < sizeof(n->id); ++c) { + snprintf(id + 2 * c, 3, "%02x", n->id.x[c]); + } + + id[sizeof(id) - 1] = 0; + send_request(c, "%d %d %s %s %s %d %d %lu %d %x %x %s %s %d %d %d %d %ld %d %"PRIu64" %"PRIu64" %"PRIu64" %"PRIu64, CONTROL, REQ_DUMP_NODES, + n->name, id, n->hostname ? n->hostname : "unknown port unknown", #ifdef DISABLE_LEGACY - 0, 0, 0, + 0, 0, 0UL, #else - cipher_get_nid(n->outcipher), digest_get_nid(n->outdigest), (int)digest_length(n->outdigest), + cipher_get_nid(n->outcipher), digest_get_nid(n->outdigest), (unsigned long)digest_length(n->outdigest), #endif - 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); + n->outcompression, n->options, n->status.value, + n->nexthop ? n->nexthop->name : "-", n->via && n->via->name ? n->via->name : "-", n->distance, + n->mtu, n->minmtu, n->maxmtu, (long)n->last_state_change, n->udp_ping_rtt, + n->in_packets, n->in_bytes, n->out_packets, n->out_bytes); } return send_request(c, "%d %d", CONTROL, REQ_DUMP_NODES); } bool dump_traffic(connection_t *c) { - for splay_each(node_t, n, node_tree) + 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); + n->name, n->in_packets, n->in_bytes, n->out_packets, n->out_bytes); return send_request(c, "%d %d", CONTROL, REQ_DUMP_TRAFFIC); }