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switch over the bridge descriptor download mechanism to

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use the same download mechanism as other places.

i had to make an ugly hack around "IMPOSSIBLE_TO_DOWNLOAD+1".
we should unhack that sometime.


svn:r17834
This commit is contained in:
Roger Dingledine 2008-12-31 14:19:57 +00:00
parent 9ea7e7f0cd
commit dfc6555ddd
2 changed files with 6 additions and 28 deletions
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32
src/or/circuitbuild.c
View File

@ -2980,35 +2980,12 @@ bridge_add_from_config(const tor_addr_t *addr, uint16_t port, char *digest)
b->port = port;
if (digest)
memcpy(b->identity, digest, DIGEST_LEN);
b->fetch_status.schedule = DL_SCHED_BRIDGE;
if (!bridge_list)
bridge_list = smartlist_create();
smartlist_add(bridge_list, b);
}
/** Schedule the next fetch for <b>bridge</b>, based on
* some retry schedule. */
static void
bridge_fetch_status_increment(bridge_info_t *bridge, time_t now)
{
switch (bridge->fetch_status.n_download_failures) {
case 0: bridge->fetch_status.next_attempt_at = now+60*15; break;
case 1: bridge->fetch_status.next_attempt_at = now+60*15; break;
default: bridge->fetch_status.next_attempt_at = now+60*60; break;
}
if (bridge->fetch_status.n_download_failures < 10)
bridge->fetch_status.n_download_failures++;
}
/** We just got a new descriptor for <b>bridge</b>. Reschedule the
* next fetch for a long time from <b>now</b>. */
static void
bridge_fetch_status_arrived(bridge_info_t *bridge, time_t now)
{
tor_assert(bridge);
bridge->fetch_status.next_attempt_at = now+60*60;
bridge->fetch_status.n_download_failures = 0;
}
/** If <b>digest</b> is one of our known bridges, return it. */
static bridge_info_t *
find_bridge_by_digest(const char *digest)
@ -3072,11 +3049,12 @@ fetch_bridge_descriptors(time_t now)
SMARTLIST_FOREACH_BEGIN(bridge_list, bridge_info_t *, bridge)
{
if (bridge->fetch_status.next_attempt_at > now)
if (!download_status_is_ready(&bridge->fetch_status, now,
IMPOSSIBLE_TO_DOWNLOAD+1))
continue; /* don't bother, no need to retry yet */
/* schedule another fetch as if this one will fail, in case it does */
bridge_fetch_status_increment(bridge, now);
download_status_failed(&bridge->fetch_status, 0);
can_use_bridge_authority = !tor_digest_is_zero(bridge->identity) &&
num_bridge_auths;
@ -3136,7 +3114,7 @@ learned_bridge_descriptor(routerinfo_t *ri, int from_cache)
if (bridge) { /* if we actually want to use this one */
/* it's here; schedule its re-fetch for a long time from now. */
if (!from_cache)
bridge_fetch_status_arrived(bridge, now);
download_status_reset(&bridge->fetch_status);
add_an_entry_guard(ri, 1);
log_notice(LD_DIR, "new bridge descriptor '%s' (%s)", ri->nickname,

2
src/or/rendcommon.c
View File

@ -696,7 +696,7 @@ rend_encode_service_descriptor(rend_service_descriptor_t *desc,
intro->extend_info->identity_digest,
DIGEST_LEN);
tor_assert(strlen(ipoint) == ipoint_len);
/* Assert that appending ipoint and its NUL won't over overun the
/* Assert that appending ipoint and its NUL won't over overrun the
* buffer. */
tor_assert(cp + ipoint_len+1 < *str_out + buflen);
memcpy(cp, ipoint, ipoint_len+1);