X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fprotocol.c;h=7de75b931a868690861d355e194e58e46801f5b7;hb=3a149f7521dfff67e6a790c1a830afc649ae083e;hp=3a0ae1d79554e292779059177d4cdc40545af162;hpb=1545909dcb3ac618754486f4ccd4d8f237d64bb7;p=tinc diff --git a/src/protocol.c b/src/protocol.c index 3a0ae1d7..7de75b93 100644 --- a/src/protocol.c +++ b/src/protocol.c @@ -56,7 +56,19 @@ static char (*request_name[]) = { "REQ_PUBKEY", "ANS_PUBKEY", "SPTPS_PACKET", "UDP_INFO", "MTU_INFO", }; -static splay_tree_t *past_request_tree; +static int past_request_compare(const past_request_t *a, const past_request_t *b) { + return strcmp(a->request, b->request); +} + +static void free_past_request(past_request_t *r) { + free((char *)r->request); + free(r); +} + +static splay_tree_t past_request_tree = { + .compare = (splay_compare_t) past_request_compare, + .delete = (splay_action_t) free_past_request, +}; /* Generic request routines - takes care of logging and error detection as well */ @@ -103,7 +115,7 @@ void forward_request(connection_t *from, const char *request) { logger(DEBUG_META, LOG_DEBUG, "Forwarding %s from %s (%s): %s", request_name[atoi(request)], from->name, from->hostname, request); // Create a temporary newline-terminated copy of the request - int len = strlen(request); + size_t len = strlen(request); char tmp[len + 1]; memcpy(tmp, request, len); tmp[len] = '\n'; @@ -159,24 +171,15 @@ bool receive_request(connection_t *c, const char *request) { return true; } -static int past_request_compare(const past_request_t *a, const past_request_t *b) { - return strcmp(a->request, b->request); -} - -static void free_past_request(past_request_t *r) { - free((char *)r->request); - free(r); -} - static timeout_t past_request_timeout; static void age_past_requests(void *data) { (void)data; int left = 0, deleted = 0; - for splay_each(past_request_t, p, past_request_tree) { + for splay_each(past_request_t, p, &past_request_tree) { if(p->firstseen + pinginterval <= now.tv_sec) { - splay_delete_node(past_request_tree, node), deleted++; + splay_delete_node(&past_request_tree, node), deleted++; } else { left++; } @@ -197,14 +200,14 @@ bool seen_request(const char *request) { p.request = request; - if(splay_search(past_request_tree, &p)) { + if(splay_search(&past_request_tree, &p)) { logger(DEBUG_SCARY_THINGS, LOG_DEBUG, "Already seen request"); return true; } else { new = xmalloc(sizeof(*new)); new->request = xstrdup(request); new->firstseen = now.tv_sec; - splay_insert(past_request_tree, new); + splay_insert(&past_request_tree, new); timeout_add(&past_request_timeout, age_past_requests, NULL, &(struct timeval) { 10, rand() % 100000 }); @@ -212,12 +215,8 @@ bool seen_request(const char *request) { } } -void init_requests(void) { - past_request_tree = splay_alloc_tree((splay_compare_t) past_request_compare, (splay_action_t) free_past_request); -} - void exit_requests(void) { - splay_delete_tree(past_request_tree); + splay_empty_tree(&past_request_tree); timeout_del(&past_request_timeout); }