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balance the reachability testing so a smidgen of it happens
every 10 seconds. this way we don't try to do 500 tls's at once every 20 minutes. svn:r5763
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@ -686,8 +686,8 @@ list_single_server_status(routerinfo_t *desc, int is_live)
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return tor_strdup(buf);
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}
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#define REACHABLE_TIMEOUT (60*60) /* an hour */
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/* Make sure this is 3 times the value of get_dir_fetch_period() */
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#define REACHABLE_TIMEOUT (90*60) /* ninety minutes */
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/* Make sure this is at least 3 times the value of get_dir_fetch_period() */
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/** Treat a router as alive if
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* - It's me, and I'm not hibernating.
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@ -523,7 +523,7 @@ directory_all_unreachable(time_t now)
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}
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/**
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* Return the interval to wait betweeen directory downloads, in seconds.
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* Return the interval to wait between directory downloads, in seconds.
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*/
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static INLINE int
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get_dir_fetch_period(or_options_t *options)
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@ -573,7 +573,7 @@ directory_info_has_arrived(time_t now, int from_cache)
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if (server_mode(options) &&
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!we_are_hibernating()) { /* connect to the appropriate routers */
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if (!authdir_mode(options))
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router_retry_connections(0);
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router_retry_connections(0, 1);
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if (!from_cache)
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consider_testing_reachability();
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}
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@ -768,6 +768,11 @@ run_scheduled_events(time_t now)
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if (accounting_is_enabled(options))
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accounting_run_housekeeping(now);
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if (now % 10 == 0 && authdir_mode(options) && !we_are_hibernating()) {
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/* try to determine reachability */
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router_retry_connections(1, 0);
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}
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/** 2. Periodically, we consider getting a new directory, getting a
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* new running-routers list, and/or force-uploading our descriptor
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* (if we've passed our internal checks). */
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@ -776,12 +781,6 @@ run_scheduled_events(time_t now)
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routerlist_remove_old_routers();
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networkstatus_list_clean(now);
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if (authdir_mode(options)) {
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if (!we_are_hibernating()) { /* try to determine reachability */
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router_retry_connections(1);
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}
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}
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/* Only caches actually need to fetch directories now. */
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if (options->DirPort && !options->V1AuthoritativeDir) {
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directory_get_from_dirserver(DIR_PURPOSE_FETCH_DIR, NULL, 1);
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@ -1108,7 +1107,7 @@ do_main_loop(void)
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if (authdir_mode(get_options())) {
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/* the directory is already here, run startup things */
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router_retry_connections(1);
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router_retry_connections(1, 1);
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}
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if (server_mode(get_options())) {
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@ -2195,7 +2195,7 @@ int server_mode(or_options_t *options);
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int advertised_server_mode(void);
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int proxy_mode(or_options_t *options);
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void router_retry_connections(int force);
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void router_retry_connections(int testing_reachability, int try_all);
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int router_is_clique_mode(routerinfo_t *router);
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void router_upload_dir_desc_to_dirservers(int force);
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void mark_my_descriptor_dirty_if_older_than(time_t when);
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@ -610,15 +610,20 @@ consider_publishable_server(time_t now, int force)
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* other ORs we know about. Otherwise, open connections to those we
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* think are in clique mode.
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*
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* If <b>force</b> is zero, only open the connection if we don't already
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* have one.
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* If <b>testing_reachability</b> is 0, try to open the connections
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* but only if we don't already have one. If it's 1, then we're an
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* auth dir server, and we should try to connect regardless of
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* whether we already have a connection open -- but if <b>try_all</b>
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* is 0, we want to load balance such that we only try a few connections
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* per call.
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*/
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void
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router_retry_connections(int force)
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router_retry_connections(int testing_reachability, int try_all)
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{
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time_t now = time(NULL);
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routerlist_t *rl = router_get_routerlist();
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or_options_t *options = get_options();
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static char ctr = 0;
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tor_assert(server_mode(options));
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@ -628,8 +633,10 @@ router_retry_connections(int force)
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continue;
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if (!clique_mode(options) && !router_is_clique_mode(router))
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continue;
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if (force ||
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!connection_or_get_by_identity_digest(id_digest)) {
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if ((testing_reachability &&
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(try_all || (((uint8_t)id_digest[0]) % 128) == ctr)) ||
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(!testing_reachability &&
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!connection_or_get_by_identity_digest(id_digest))) {
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debug(LD_OR,"%sconnecting to %s at %s:%u.",
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clique_mode(options) ? "(forced) " : "",
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router->nickname, router->address, router->or_port);
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@ -640,6 +647,8 @@ router_retry_connections(int force)
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id_digest);
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}
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});
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if (testing_reachability && !try_all) /* increment ctr */
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ctr = (ctr + 1) % 128;
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}
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/** Return true iff this OR should try to keep connections open to all
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