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make dns resolves a lot faster

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(but only enable this once we've found the bug)


svn:r1358
This commit is contained in:
Roger Dingledine 2004-03-28 21:16:52 +00:00
parent 2ba9901cb4
commit 4a5586b8e3
1 changed files with 12 additions and 2 deletions
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14
src/or/dns.c
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@ -109,11 +109,21 @@ int dns_resolve(connection_t *exitconn) {
struct cached_resolve *resolve;
struct cached_resolve search;
struct pending_connection_t *pending_connection;
struct in_addr in;
uint32_t now = time(NULL);
assert_connection_ok(exitconn, 0);
/* first take this opportunity to see if there are any expired
resolves in the tree.*/
#if 0 /* only enable this once we've found the conn-munging bug */
/* first check if exitconn->address is an IP. If so, we already
* know the answer. */
if (tor_inet_aton(exitconn->address, &in) != 0) {
exitconn->addr = ntohl(in.s_addr);
return 1;
}
#endif
/* then take this opportunity to see if there are any expired
* resolves in the tree. */
purge_expired_resolves(now);
/* now check the tree to see if 'address' is already there. */