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r15868@catbus: nickm | 2007-10-16 14:18:29 -0400

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Remove nearly all calls to routerlist_remove_old().  Backport candidate.


svn:r11994
This commit is contained in:
Nick Mathewson 2007-10-16 18:19:02 +00:00
parent 29173560b8
commit 9d7eba6ecc
3 changed files with 19 additions and 6 deletions
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4
ChangeLog
View file

@ -16,6 +16,10 @@ Changes in version 0.2.0.9-alpha - 2007-10-??
than 28 days unmodified, then most likely it's a leftover from when we
upgraded to 0.2.0.8-alpha. Remove it. It has no good routers anyway.
o Minor features (performance):
- Call routerlist_remove_old_routers() much less often. This should
speed startup, especially on directory caches.
o Minor bugfixes (directory authorities):
- Correct the implementation of "download votes by digest." Bugfix on
0.2.0.8-alpha.

3
src/or/main.c
View file

@ -994,8 +994,9 @@ run_scheduled_events(time_t now)
/* If any networkstatus documents are no longer recent, we need to
* update all the descriptors' running status. */
/* purge obsolete entries */
routerlist_remove_old_routers();
networkstatus_v2_list_clean(now);
/* Remove dead routers. */
routerlist_remove_old_routers();
#if 0
networkstatus_v2_list_update_recent(now);
#endif

18
src/or/routerlist.c
View file

@ -475,7 +475,7 @@ router_rebuild_store(int force, desc_store_t *store)
if (!routerlist)
return 0;
routerlist_assert_ok(routerlist);
//routerlist_assert_ok(routerlist);
/* Don't save deadweight. */
routerlist_remove_old_routers();
@ -2140,6 +2140,7 @@ dump_routerlist_mem_usage(int severity)
smartlist_len(routerlist->old_routers), U64_PRINTF_ARG(olddescs));
}
#if 0
/** Return non-zero if we have a lot of extra descriptors in our
* routerlist, and should get rid of some of them. Else return 0.
*
@ -2158,6 +2159,7 @@ routerlist_is_overfull(routerlist_t *rl)
return smartlist_len(rl->old_routers) > smartlist_len(rl->routers)*2;
}
}
#endif
static INLINE int
_routerlist_find_elt(smartlist_t *sl, void *ri, int idx)
@ -2613,8 +2615,10 @@ router_add_to_routerlist(routerinfo_t *router, const char **msg,
return -1;
}
#if 0
if (routerlist_is_overfull(routerlist))
routerlist_remove_old_routers();
#endif
if (authdir) {
if (authdir_wants_to_reject_router(router, msg,
@ -2907,7 +2911,7 @@ routerlist_remove_old_routers(void)
if (!routerlist || !consensus)
return;
routerlist_assert_ok(routerlist);
// routerlist_assert_ok(routerlist);
retain = digestmap_new();
cutoff = now - OLD_ROUTER_DESC_MAX_AGE;
@ -2959,7 +2963,7 @@ routerlist_remove_old_routers(void)
}
}
routerlist_assert_ok(routerlist);
//routerlist_assert_ok(routerlist);
/* Remove far-too-old members of routerlist->old_routers. */
cutoff = now - OLD_ROUTER_DESC_MAX_AGE;
@ -2972,7 +2976,7 @@ routerlist_remove_old_routers(void)
}
}
routerlist_assert_ok(routerlist);
//routerlist_assert_ok(routerlist);
/* Now we might have to look at routerlist->old_routers for extraneous
* members. (We'd keep all the members if we could, but we need to save
@ -3002,7 +3006,7 @@ routerlist_remove_old_routers(void)
}
if (hi>=0)
routerlist_remove_old_cached_routers_with_id(cutoff, 0, hi, retain);
routerlist_assert_ok(routerlist);
//routerlist_assert_ok(routerlist);
done:
digestmap_free(retain, NULL);
@ -3477,6 +3481,10 @@ client_would_use_router(routerstatus_t *rs, time_t now, or_options_t *options)
/* Most caches probably don't have this descriptor yet. */
return 0;
}
if (rs->published_on + OLD_ROUTER_DESC_MAX_AGE < now) {
/* We'd drop it immediately for being too old. */
return 0;
}
return 1;
}