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Make dropping very old descriptors faster (remove old correctness check). Track bytes dropped that are still in our store or journal, and rebuild when it gets very high.

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svn:r5445
This commit is contained in:
Nick Mathewson 2005-11-23 07:24:59 +00:00
parent 36109fea33
commit 061ef582a1
1 changed files with 10 additions and 3 deletions
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13
src/or/routerlist.c
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@ -143,6 +143,8 @@ router_reload_networkstatus(void)
static size_t router_journal_len = 0;
/** The size of the router store, in bytes. */
static size_t router_store_len = 0;
/** Total bytes dropped since last rebuild. */
static size_t router_bytes_dropped = 0;
/** Helper: return 1 iff the router log is so big we want to rebuild the
* store. */
@ -150,7 +152,8 @@ static int
router_should_rebuild_store(void)
{
if (router_store_len > (1<<16))
return router_journal_len > router_store_len / 2;
return (router_journal_len > router_store_len / 2 ||
router_bytes_dropped > router_store_len / 2);
else
return router_journal_len > (1<<15);
}
@ -239,6 +242,7 @@ router_rebuild_store(int force)
r = 0;
router_store_len = len;
router_journal_len = 0;
router_bytes_dropped = 0;
done:
tor_free(fname);
if (chunk_list) {
@ -1210,13 +1214,15 @@ routerlist_remove(routerlist_t *rl, routerinfo_t *ri, int idx, int make_old)
ri_tmp = digestmap_remove(rl->identity_map, ri->cache_info.identity_digest);
tor_assert(ri_tmp == ri);
if (make_old && get_options()->DirPort) {
signed_descriptor_t *sd = signed_descriptor_from_routerinfo(ri);
signed_descriptor_t *sd;
sd = signed_descriptor_from_routerinfo(ri);
smartlist_add(rl->old_routers, sd);
digestmap_set(rl->desc_digest_map, sd->signed_descriptor_digest, sd);
} else {
ri_tmp = digestmap_remove(rl->desc_digest_map,
ri->cache_info.signed_descriptor_digest);
tor_assert(ri_tmp == ri);
router_bytes_dropped += ri->cache_info.signed_descriptor_len;
routerinfo_free(ri);
}
// routerlist_assert_ok(rl);
@ -1233,8 +1239,9 @@ routerlist_remove_old(routerlist_t *rl, signed_descriptor_t *sd, int idx)
sd_tmp = digestmap_remove(rl->desc_digest_map,
sd->signed_descriptor_digest);
tor_assert(sd_tmp == sd);
router_bytes_dropped += sd->signed_descriptor_len;
signed_descriptor_free(sd);
routerlist_assert_ok(rl);
// routerlist_assert_ok(rl);
}
/** Remove <b>ri_old</b> from the routerlist <b>rl</b>, and replace it with