X-Git-Url: http://git.meshlink.io/?p=meshlink;a=blobdiff_plain;f=src%2Fnode.c;h=ebd2c7c2c9421d56c1225c89c95f7d593189c278;hp=4fbec08fabcb8e1a18e8588f089661b3832f5a01;hb=075e6828a7533e7daa790225f17aa6bb39703278;hpb=b5ccce296848aab72d574ca3de14af5fdf3efa4d diff --git a/src/node.c b/src/node.c index 4fbec08f..ebd2c7c2 100644 --- a/src/node.c +++ b/src/node.c @@ -22,7 +22,7 @@ #include "system.h" -#include "avl_tree.h" +#include "splay_tree.h" #include "logger.h" #include "net.h" #include "netutl.h" @@ -30,63 +30,58 @@ #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 */ +splay_tree_t *node_tree; /* Known nodes, sorted by name */ +splay_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) -{ +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 sockaddrcmp(&a->address, &b->address); +static int node_udp_compare(const node_t *a, const node_t *b) { + 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) -{ +void init_nodes(void) { 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); + node_tree = splay_alloc_tree((splay_compare_t) node_compare, (splay_action_t) free_node); + node_udp_tree = splay_alloc_tree((splay_compare_t) node_udp_compare, NULL); } -void exit_nodes(void) -{ +void exit_nodes(void) { cp(); - avl_delete_tree(node_udp_tree); - avl_delete_tree(node_tree); + splay_delete_tree(node_udp_tree); + splay_delete_tree(node_tree); } -node_t *new_node(void) -{ - node_t *n = xmalloc_and_zero(sizeof(*n)); +node_t *new_node(void) { + node_t *n = xmalloc_and_zero(sizeof *n); cp(); n->subnet_tree = new_subnet_tree(); n->edge_tree = new_edge_tree(); - EVP_CIPHER_CTX_init(&n->inctx); - EVP_CIPHER_CTX_init(&n->outctx); n->mtu = MTU; n->maxmtu = MTU; return n; } -void free_node(node_t *n) -{ +void free_node(node_t *n) { cp(); - if(n->inkey) - free(n->inkey); - - if(n->outkey) - free(n->outkey); - if(n->subnet_tree) free_subnet_tree(n->subnet_tree); @@ -95,11 +90,12 @@ void free_node(node_t *n) sockaddrfree(&n->address); - EVP_CIPHER_CTX_cleanup(&n->inctx); - EVP_CIPHER_CTX_cleanup(&n->outctx); + cipher_close(&n->incipher); + digest_close(&n->indigest); + cipher_close(&n->outcipher); + digest_close(&n->outdigest); - if(n->mtuevent) - event_del(n->mtuevent); + event_del(&n->mtuevent); if(n->hostname) free(n->hostname); @@ -110,16 +106,14 @@ void free_node(node_t *n) free(n); } -void node_add(node_t *n) -{ +void node_add(node_t *n) { cp(); - avl_insert(node_tree, n); + splay_insert(node_tree, n); } -void node_del(node_t *n) -{ - avl_node_t *node, *next; +void node_del(node_t *n) { + splay_node_t *node, *next; edge_t *e; subnet_t *s; @@ -137,23 +131,21 @@ void node_del(node_t *n) edge_del(e); } - avl_delete(node_udp_tree, n); - avl_delete(node_tree, n); + splay_delete(node_udp_tree, n); + splay_delete(node_tree, n); } -node_t *lookup_node(char *name) -{ +node_t *lookup_node(char *name) { node_t n = {0}; cp(); n.name = name; - return avl_search(node_tree, &n); + return splay_search(node_tree, &n); } -node_t *lookup_node_udp(const sockaddr_t *sa) -{ +node_t *lookup_node_udp(const sockaddr_t *sa) { node_t n = {0}; cp(); @@ -161,12 +153,12 @@ node_t *lookup_node_udp(const sockaddr_t *sa) n.address = *sa; n.name = NULL; - return avl_search(node_udp_tree, &n); + return splay_search(node_udp_tree, &n); } void update_node_udp(node_t *n, const sockaddr_t *sa) { - avl_delete(node_udp_tree, n); + splay_delete(node_udp_tree, n); if(n->hostname) free(n->hostname); @@ -174,8 +166,8 @@ void update_node_udp(node_t *n, const sockaddr_t *sa) if(sa) { n->address = *sa; n->hostname = sockaddr2hostname(&n->address); - avl_insert(node_udp_tree, n); - ifdebug(PROTOCOL) logger(LOG_DEBUG, "UDP address of %s set to %s", n->name, n->hostname); + splay_insert(node_udp_tree, n); + logger(LOG_DEBUG, "UDP address of %s set to %s", n->name, n->hostname); } else { memset(&n->address, 0, sizeof n->address); n->hostname = 0; @@ -183,23 +175,21 @@ void update_node_udp(node_t *n, const sockaddr_t *sa) } } -void dump_nodes(void) -{ - avl_node_t *node; +int dump_nodes(struct evbuffer *out) { + splay_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->outcipher ? n->outcipher->nid : 0, - n->outdigest ? n->outdigest->type : 0, n->outmaclength, n->outcompression, + if(evbuffer_add_printf(out, _(" %s at %s cipher %d digest %d maclength %d compression %d options %lx status %04x nexthop %s via %s distance %d pmtu %d (min %d max %d)\n"), + n->name, n->hostname, cipher_get_nid(&n->outcipher), + digest_get_nid(&n->outdigest), 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->mtu, n->minmtu, n->maxmtu); + n->via ? n->via->name : "-", n->distance, n->mtu, n->minmtu, n->maxmtu) == -1) + return errno; } - logger(LOG_DEBUG, _("End of nodes.")); + return 0; }