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Rate-limit "No circuits are opened" message to once-per-hour

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mr-4 reports on #7799 that he was seeing it several times per second,
which suggests that things had gone very wrong.

This isn't a real fix, but it should make Tor usable till we can
figure out the real issue.
This commit is contained in:
Nick Mathewson 2012-12-26 10:05:45 -05:00
parent 2e9be92cd7
commit 127cb39ffc
2 changed files with 14 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
changes/bug7799.ratelim Normal file
View File

@ -0,0 +1,6 @@
o Minor bugfixes:
- Rate-limit the "No circuits are opened. Relaxed timeout for a
circuit with channel state open..." message to once per hour to
keep it from filling the notice logs. Mitigates bug 7799 but does
not fix the underlying cause. Bugfix on 0.2.4.7-alpha.

9
src/or/circuituse.c
View File

@ -478,13 +478,18 @@ circuit_expire_building(void)
} }
continue; continue;
} else { } else {
static ratelim_t relax_timeout_limit = RATELIM_INIT(3600);
char *m;
if ((m = rate_limit_log(&relax_timeout_limit, approx_time()))) {
log_notice(LD_CIRC, log_notice(LD_CIRC,
"No circuits are opened. Relaxed timeout for " "No circuits are opened. Relaxed timeout for "
"a circuit with channel state %s to %ldms. " "a circuit with channel state %s to %ldms. "
"However, it appears the circuit has timed out anyway. " "However, it appears the circuit has timed out anyway. "
"%d guards are live. ", "%d guards are live. %s",
channel_state_to_string(victim->n_chan->state), channel_state_to_string(victim->n_chan->state),
(long)circ_times.close_ms, num_live_entry_guards(0)); (long)circ_times.close_ms, num_live_entry_guards(0), m);
tor_free(m);
}
} }
} }