[or-cvs] r12859: Make bridge authorities test reachability of bridges. Added (tor/trunk/src/or)
arma at seul.org
arma at seul.org
Tue Dec 18 21:37:58 UTC 2007
Author: arma
Date: 2007-12-18 16:37:58 -0500 (Tue, 18 Dec 2007)
New Revision: 12859
Modified:
tor/trunk/src/or/dirserv.c
tor/trunk/src/or/dirvote.c
tor/trunk/src/or/main.c
tor/trunk/src/or/networkstatus.c
tor/trunk/src/or/or.h
tor/trunk/src/or/rephist.c
tor/trunk/src/or/router.c
tor/trunk/src/or/routerlist.c
Log:
Make bridge authorities test reachability of bridges.
Added two XXX020's that we need to think harder about.
Modified: tor/trunk/src/or/dirserv.c
===================================================================
--- tor/trunk/src/or/dirserv.c 2007-12-18 21:27:12 UTC (rev 12858)
+++ tor/trunk/src/or/dirserv.c 2007-12-18 21:37:58 UTC (rev 12859)
@@ -1581,7 +1581,6 @@
should_generate_v2_networkstatus(void)
{
return authdir_mode_v2(get_options()) &&
- !authdir_mode_bridge(get_options()) && /* XXX020 RD */
the_v2_networkstatus_is_dirty &&
the_v2_networkstatus_is_dirty + DIR_REGEN_SLACK_TIME < time(NULL);
}
@@ -1673,7 +1672,7 @@
* Right now this means it advertises support for it, it has a high
* uptime, and it's currently considered Running.
*
- * This function needs to be called after router->is_running has
+ * This function needs to be called after router-\>is_running has
* been set.
*/
static int
@@ -1992,7 +1991,11 @@
* functions and store it in <b>rs</b>>. If <b>naming</b>, consider setting
* the named flag in <b>rs</b>. If not <b>exits_can_be_guards</b>, never mark
* an exit as a guard. If <b>listbadexits</b>, consider setting the badexit
- * flag. */
+ * flag.
+ *
+ * We assume that ri-\>is_running has already been set, e.g. by
+ * dirserv_set_router_is_running(ri, now);
+ */
static void
set_routerstatus_from_routerinfo(routerstatus_t *rs,
routerinfo_t *ri, time_t now,
@@ -2678,6 +2681,7 @@
{
routerlist_t *rl = router_get_routerlist();
time_t now = time(NULL);
+ int bridge_auth = authdir_mode_bridge(get_options());
tor_assert(address);
tor_assert(digest_rcvd);
@@ -2686,10 +2690,12 @@
as_advertised &&
!memcmp(ri->cache_info.identity_digest, digest_rcvd, DIGEST_LEN)) {
/* correct digest. mark this router reachable! */
- log_info(LD_DIRSERV, "Found router %s to be reachable. Yay.",
- ri->nickname);
- rep_hist_note_router_reachable(digest_rcvd, now);
- ri->last_reachable = now;
+ if (!bridge_auth || ri->purpose == ROUTER_PURPOSE_BRIDGE) {
+ log_info(LD_DIRSERV, "Found router %s to be reachable. Yay.",
+ ri->nickname);
+ rep_hist_note_router_reachable(digest_rcvd, now);
+ ri->last_reachable = now;
+ }
}
});
/* FFFF Maybe we should reinstate the code that dumps routers with the same
@@ -2719,11 +2725,14 @@
// time_t cutoff = now - ROUTER_MAX_AGE_TO_PUBLISH;
routerlist_t *rl = router_get_routerlist();
static char ctr = 0;
+ int bridge_auth = authdir_mode_bridge(get_options());
SMARTLIST_FOREACH(rl->routers, routerinfo_t *, router, {
const char *id_digest = router->cache_info.identity_digest;
if (router_is_me(router))
continue;
+ if (bridge_auth && router->purpose != ROUTER_PURPOSE_BRIDGE)
+ continue; /* bridge authorities only test reachability on bridges */
// if (router->cache_info.published_on > cutoff)
// continue;
if (try_all || (((uint8_t)id_digest[0]) % 128) == ctr) {
Modified: tor/trunk/src/or/dirvote.c
===================================================================
--- tor/trunk/src/or/dirvote.c 2007-12-18 21:27:12 UTC (rev 12858)
+++ tor/trunk/src/or/dirvote.c 2007-12-18 21:37:58 UTC (rev 12859)
@@ -40,13 +40,14 @@
#define LONGEST_STATUS_FLAG_NAME_LEN 9
/** Maximum number of status flags we'll apply to one router. */
#define N_STATUS_FLAGS 10
-/** Amount of space to allocate for each entry. (r line and s line.) */
+/** Amount of space to allocate for each entry: r, s, and v lines. */
#define RS_ENTRY_LEN \
( /* first line */ \
MAX_NICKNAME_LEN+BASE64_DIGEST_LEN*2+ISO_TIME_LEN+INET_NTOA_BUF_LEN+ \
5*2 /* ports */ + 10 /* punctuation */ + \
/* second line */ \
(LONGEST_STATUS_FLAG_NAME_LEN+1)*N_STATUS_FLAGS + 2)
+/* XXX020 RS_ENTRY_LEN should probably include space for v lines */
size_t len;
char *status = NULL;
@@ -208,7 +209,7 @@
* ===== */
/** Given a vote <b>vote</b> (not a consensus!), return its associated
- * networkstatus_voter_info_t.*/
+ * networkstatus_voter_info_t. */
static networkstatus_voter_info_t *
get_voter(const networkstatus_vote_t *vote)
{
Modified: tor/trunk/src/or/main.c
===================================================================
--- tor/trunk/src/or/main.c 2007-12-18 21:27:12 UTC (rev 12858)
+++ tor/trunk/src/or/main.c 2007-12-18 21:37:58 UTC (rev 12859)
@@ -920,7 +920,7 @@
if (now % 10 == 0 && (authdir_mode_tests_reachability(options)) &&
!we_are_hibernating()) {
- /* try to determine reachability of the other Tor servers */
+ /* try to determine reachability of the other Tor relays */
dirserv_test_reachability(now, 0);
}
Modified: tor/trunk/src/or/networkstatus.c
===================================================================
--- tor/trunk/src/or/networkstatus.c 2007-12-18 21:27:12 UTC (rev 12858)
+++ tor/trunk/src/or/networkstatus.c 2007-12-18 21:37:58 UTC (rev 12859)
@@ -472,7 +472,7 @@
return 0;
}
-/** Add the parsed neworkstatus in <b>ns</b> (with original document in
+/** Add the parsed v2 networkstatus in <b>ns</b> (with original document in
* <b>s</b>) to the disk cache (and the in-memory directory server cache) as
* appropriate. */
static int
@@ -1672,6 +1672,7 @@
networkstatus_getinfo_helper_single(routerstatus_t *rs)
{
char buf[256];
+ /* XXX020 that 256 above sounds a lot like RS_ENTRY_LEN in dirvote.c */
routerstatus_format_entry(buf, sizeof(buf), rs, NULL, 0);
return tor_strdup(buf);
}
Modified: tor/trunk/src/or/or.h
===================================================================
--- tor/trunk/src/or/or.h 2007-12-18 21:27:12 UTC (rev 12858)
+++ tor/trunk/src/or/or.h 2007-12-18 21:37:58 UTC (rev 12859)
@@ -3716,7 +3716,7 @@
int authdir_mode_publishes_statuses(or_options_t *options);
int authdir_mode_tests_reachability(or_options_t *options);
int authdir_mode_bridge(or_options_t *options);
-int authdir_mode_any_nonbridge(or_options_t *options);
+int authdir_mode_any_nonhidserv(or_options_t *options);
int clique_mode(or_options_t *options);
int server_mode(or_options_t *options);
int advertised_server_mode(void);
Modified: tor/trunk/src/or/rephist.c
===================================================================
--- tor/trunk/src/or/rephist.c 2007-12-18 21:27:12 UTC (rev 12858)
+++ tor/trunk/src/or/rephist.c 2007-12-18 21:37:58 UTC (rev 12859)
@@ -676,6 +676,8 @@
PUT("data\n");
+ /* XXX020 Nick: now bridge auths record this for all routers too.
+ * Should we make them record it only for bridge routers? */
for (orhist_it = digestmap_iter_init(history_map);
!digestmap_iter_done(orhist_it);
orhist_it = digestmap_iter_next(history_map,orhist_it)) {
Modified: tor/trunk/src/or/router.c
===================================================================
--- tor/trunk/src/or/router.c 2007-12-18 21:27:12 UTC (rev 12858)
+++ tor/trunk/src/or/router.c 2007-12-18 21:37:58 UTC (rev 12859)
@@ -823,13 +823,14 @@
{
return authdir_mode(options) && options->V3AuthoritativeDir != 0;
}
-/** Return true if we belive ourselves to be any kind of non-bridge
- * authoritative directory */
+/** Return true if we believe ourselves to be any kind of
+ * authoritative directory beyond just a hidserv authority. */
int
-authdir_mode_any_nonbridge(or_options_t *options)
+authdir_mode_any_nonhidserv(or_options_t *options)
{
return authdir_mode(options) &&
- (options->V1AuthoritativeDir ||
+ (options->BridgeAuthoritativeDir ||
+ options->V1AuthoritativeDir ||
options->V2AuthoritativeDir ||
options->V3AuthoritativeDir);
}
@@ -839,8 +840,7 @@
int
authdir_mode_handles_descs(or_options_t *options)
{
- return authdir_mode_any_nonbridge(options) ||
- authdir_mode_bridge(options);
+ return authdir_mode_any_nonhidserv(options);
}
/** Return true iff we are an authoritative directory server that
* publishes its own network statuses.
@@ -850,7 +850,7 @@
{
if (authdir_mode_bridge(options))
return 0;
- return authdir_mode_any_nonbridge(options);
+ return authdir_mode_any_nonhidserv(options);
}
/** Return true iff we are an authoritative directory server that
* tests reachability of the descriptors it learns about.
@@ -858,7 +858,7 @@
int
authdir_mode_tests_reachability(or_options_t *options)
{
- return authdir_mode_any_nonbridge(options);
+ return authdir_mode_handles_descs(options);
}
/** Return true iff we believe ourselves to be a bridge authoritative
* directory server.
@@ -868,7 +868,10 @@
{
return authdir_mode(options) && options->BridgeAuthoritativeDir != 0;
}
-/** Return true iff we try to stay connected to all ORs at once.
+/** Return true iff we once tried to stay connected to all ORs at once.
+ * FFFF this function, and the notion of staying connected to ORs, is
+ * nearly obsolete. One day there will be a proposal for getting rid of
+ * it.
*/
int
clique_mode(or_options_t *options)
Modified: tor/trunk/src/or/routerlist.c
===================================================================
--- tor/trunk/src/or/routerlist.c 2007-12-18 21:27:12 UTC (rev 12858)
+++ tor/trunk/src/or/routerlist.c 2007-12-18 21:37:58 UTC (rev 12859)
@@ -2419,8 +2419,8 @@
* search over the list to decide which to remove. We put ri_new in the same
* index as ri_old, if possible. ri is freed as appropriate.
*
- * If <b>make_old</b> is true, instead of deleting the router, we try adding
- * it to rl->old_routers. */
+ * If should_cache_descriptors() is true, instead of deleting the router,
+ * we add it to rl->old_routers. */
static void
routerlist_replace(routerlist_t *rl, routerinfo_t *ri_old,
routerinfo_t *ri_new)
@@ -3830,7 +3830,9 @@
smartlist_add(downloadable, rs->descriptor_digest);
});
- if (!authdir_mode_any_nonbridge(options) && smartlist_len(no_longer_old)) {
+ if (!authdir_mode_handles_descs(options) && smartlist_len(no_longer_old)) {
+ /* XXX020 Nick: where do authorities decide never to put stuff in old?
+ * We should make sure bridge descriptors do that too. */
routerlist_t *rl = router_get_routerlist();
log_info(LD_DIR, "%d router descriptors listed in consensus are "
"currently in old_routers; making them current.",
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