Commit Graph

252 Commits

Author SHA1 Message Date
Sebastian Hahn
db7dd3ee7a remove some dead code, found by coverity 2011-06-08 21:07:54 +02:00
Nick Mathewson
b95dd03e5f Log descriptions of nodes, not just nicknames.
This patch introduces a few new functions in router.c to produce a
more helpful description of a node than its nickame, and then tweaks
nearly all log messages taking a nickname as an argument to call these
functions instead.

There are a few cases where I left the old log messages alone: in
these cases, the nickname was that of an authority (whose nicknames
are useful and unique), or the message already included an identity
and/or an address.  I might have missed a couple more too.

This is a fix for bug 3045.
2011-05-15 21:58:46 -04:00
Nick Mathewson
44ad734573 Merge remote-tracking branch 'public/3122_memcmp_squashed' into bug3122_memcmp_022
Conflicts throughout.  All resolved in favor of taking HEAD and
adding tor_mem* or fast_mem* ops as appropriate.

	src/common/Makefile.am
	src/or/circuitbuild.c
	src/or/directory.c
	src/or/dirserv.c
	src/or/dirvote.c
	src/or/networkstatus.c
	src/or/rendclient.c
	src/or/rendservice.c
	src/or/router.c
	src/or/routerlist.c
	src/or/routerparse.c
	src/or/test.c
2011-05-11 16:24:29 -04:00
Nick Mathewson
59f9097d5c Hand-conversion and audit phase of memcmp transition
Here I looked at the results of the automated conversion and cleaned
them up as follows:

   If there was a tor_memcmp or tor_memeq that was in fact "safe"[*] I
   changed it to a fast_memcmp or fast_memeq.

   Otherwise if there was a tor_memcmp that could turn into a
   tor_memneq or tor_memeq, I converted it.

This wants close attention.

[*] I'm erring on the side of caution here, and leaving some things
as tor_memcmp that could in my opinion use the data-dependent
fast_memcmp variant.
2011-05-11 16:12:51 -04:00
Nick Mathewson
3055acbdbe Merge remote-tracking branch 'sebastian/bug2497' into maint-0.2.2 2011-04-28 16:05:34 -04:00
Roger Dingledine
9d673dcd20 fix some comments before they create conflicts 2011-04-26 11:29:22 -04:00
Nick Mathewson
1cff525973 Fix compilation in last patch 2011-04-26 11:14:46 -04:00
Sebastian Hahn
6fde2b46d2 Fix more of bug 2704
The last entry of the *Maxima values in the state file was inflated by a
factor of NUM_SECS_ROLLING_MEASURE (currently 10). This could lead to
a wrong maximum value propagating through the state file history.
2011-04-26 15:36:17 +02:00
Sebastian Hahn
3f7f96d9e7 Prevent hugely inflated observed bandwidth values
When reading the bw history from the state file, we'd add the 900-second
value as traffic that occured during one second. Fix that by adding the
average value to each second.

This bug was present since 0.2.0.5-alpha, but was hidden until
0.2.23-alpha when we started using the saved values.
2011-04-19 15:38:26 -04:00
Sebastian Hahn
13c3884ff6 Don't sometimes undercount bw average
This fixes the first part of bug 2704. It should occur only rarely when
no bw maxima are known. Bugfix on 0.2.2.23-alpha. Fixes bug 2704.
2011-04-19 15:38:10 -04:00
Sebastian Hahn
c1927d7d5f Don't report empty bw-history lines in extrainfo
Some tor relays would report lines like these in their extrainfo
documents:
dirreq-write-history 2011-03-14 16:46:44 (900 s)

This was confusing to some people who look at the stats. It would happen
whenever a relay first starts up, or when a relay has dirport disabled.
Change this so that lines without actual bw entries are omitted.
Implements ticket 2497.
2011-04-19 14:51:40 +02:00
Nick Mathewson
403b6cfded Free circuits_for_buffer_stats on shutdown 2011-04-07 14:59:28 -04:00
Nick Mathewson
71fb2af62c Fix up some cell-queue stats issues in rephist.c
- Document the structure and variables.
- Make circuits_for_buffer_stats into a static variable.
- Don't die horribly if interval_length is 0.
- Remove the unused local_circ_id field.
- Reorder the fields of circ_buffer_stats_t for cleaner alignment layout.
2011-04-07 14:56:50 -04:00
Nick Mathewson
ba0cd8094f Merge remote-tracking branch 'public/xxx_fixups' into maint-0.2.2
Conflicts:
	src/or/or.h
2011-04-07 12:03:04 -04:00
Nick Mathewson
aa950e6c48 Use timevals, not time_t, when expiring circuits.
We've got millisecond timers now, we might as well use them.

This change won't actually make circuits get expiered with microsecond
precision, since we only call the expiry functions once per second.
Still, it should avoid the situation where we have a circuit get
expired too early because of rounding.

A couple of the expiry functions now call tor_gettimeofday: this
should be cheap since we're only doing it once per second.  If it gets
to be called more often, though, we should onsider having the current
time be an argument again.
2011-03-30 14:41:41 -04:00
Nick Mathewson
05887f10ff Triage the XXX022 and XXX021 comments remaining in the code
Remove some, postpone others, leave some alone.  Now the only
remaining XXX022s are ones that seem important to fix or investigate.
2011-03-25 18:32:27 -04:00
Nick Mathewson
8f9cfa0abe Remove a useless doxygen comment 2011-03-16 18:07:42 -04:00
Nick Mathewson
3a0c602155 Clarify threat description and avoid negative uptimes. 2011-03-11 23:27:53 -05:00
Sebastian Hahn
f7a3cdc8f2 Use observed instead of declared uptime for HSDir
It is important to verify the uptime claim of a relay instead of just
trusting it, otherwise it becomes too easy to blackhole a specific
hidden service. rephist already has data available that we can use here.

Bugfix on 0.2.0.10-alpha.
2011-03-11 18:44:35 +01:00
Nick Mathewson
0d78a16c36 Merge remote branch 'sebastian/bug1035' into maint-0.2.2 2011-03-08 15:52:43 -05:00
Nick Mathewson
6b7408178b Avoid spurious bwhist parsing failures
This should fix a bug that special ran into, where if your state file
didn't record period maxima, it would never decide that it had
successfully parsed itself unless you got lucky with your
uninitialized-variable values.

This patch also tries to improve error messags in the case where a
maximum value legitimately doesn't parse.
2011-03-01 17:08:02 -05:00
Sebastian Hahn
5a4f7fa1e4 clarify an assert
also log about running changes, even on a bridge authority.
2011-02-26 09:42:44 +01:00
Karsten Loesing
0642b92792 Fix two potential bugs in the bug1863 code. 2011-02-24 16:44:54 +01:00
Sebastian Hahn
9b64227ffd Routers count as down when they change ORPort, too
rransom noticed that a change of ORPort is just as bad as a change of IP
address from a client's perspective, because both mean that the relay is
not available to them while the new information hasn't propagated.
Change the bug1035 fix accordingly.

Also make sure we don't log a bridge's IP address (which might happen
when we are the bridge authority).
2011-02-08 00:38:48 +01:00
Sebastian Hahn
a68e2043ab Fix spelling and an unused #define
both noticed by rransom
2011-02-07 16:16:10 +01:00
Nick Mathewson
80253ba4d7 fix some spelling in rephist comments 2011-01-10 15:13:07 -05:00
Nick Mathewson
105b94b75b Add Maxima lists to bandwidth state.
Right now, Tor routers don't save the maxima values from the
bw_history_t between sessions.  That's no good, since we use those
values to determine bandwidth.  This code adds a new BWHist.*Maximum
set of values to the state file.  If they're not present, we estimate
them by taking the observed total bandwidth and dividing it by the
period length, which provides a lower bound.

This should fix bug 1863.  I'm calling it a feature.
2011-01-10 14:47:39 -05:00
Nick Mathewson
28844c8403 On bwhist state load failure, clear dir_read/write hist too 2011-01-10 13:15:51 -05:00
Nick Mathewson
7e1502c0d1 Fix bug when parsing bwhist with unexpected Interval
Previously, our state parsing code would fail to parse a bwhist
correctly if the Interval was anything other than the default
hardcoded 15 minutes.  This change makes the parsing less incorrect,
though the resulting history array might get strange values in it if
the intervals don't match the one we're using.  (That is, if stuff was
generated in 15 minute intervals, and we read it into an array that
expects 30 minute intervals, we're fine, since values can be combined
pairwise.  But if we generate data at 30 minute intervals and read it
into 15 minute intervals, alternating buckets will be empty.)

Bugfix on 0.1.1.11-alpha.
2011-01-10 13:06:50 -05:00
Nick Mathewson
8dd4ecd14e Turn the loop bodies of rep_hist_save/load_state into functions
The trick of looping from i=0..4 , switching on i to set up some
variables, then running some common code is much better expressed by
just calling a function 4 times with 4 sets of arguments.  This should
make the code a little easier to follow and maintain here.
2011-01-10 12:59:07 -05:00
Nick Mathewson
40ef9087cf Fix a function formatting warning in rephist.c 2011-01-03 11:59:47 -05:00
Nick Mathewson
f1de329e78 Merge remote branch 'origin/maint-0.2.1' into maint-0.2.2
Conflicts:
	src/common/test.h
	src/or/test.c
2011-01-03 11:51:17 -05:00
Nick Mathewson
1a07348a50 Bump copyright statements to 2011 2011-01-03 11:50:39 -05:00
Sebastian Hahn
59a3d536d8 Fix compile without warnings on OS X 10.6 2010-12-27 11:37:16 +01:00
Nick Mathewson
a8a8e08220 comment karsten's bug2196 patch a little 2010-11-29 15:27:54 -05:00
Karsten Loesing
4fed43ab2e Report only the top 10 ports in exit-port stats. 2010-11-24 08:45:05 +01:00
Nick Mathewson
5a9903b9e0 Handle negative run lengths in wfu/mtbf calculations 2010-11-22 12:39:22 -05:00
Nick Mathewson
bea0a31c1c Treat routers whose IPs have changed as having been down for MTBF/routerinfo
calculation purposes.
2010-11-22 12:32:29 -05:00
Karsten Loesing
cec21652a7 Try harder not to exceed the 50 KB extra-info descriptor limit.
Our checks that we don't exceed the 50 KB size limit of extra-info
descriptors apparently failed. This patch fixes these checks and reserves
another 250 bytes for appending the signature. Fixes bug 2183.
2010-11-15 12:51:51 +01:00
Nick Mathewson
a509dbba50 Merge commit 'karsten/dirbytes2'
Conflicts:
	src/or/rephist.h
2010-08-18 10:06:14 -04:00
Karsten Loesing
db94b7f46e Count bytes we spend on answering directory requests. 2010-08-18 13:54:41 +02:00
Karsten Loesing
69545efbaf Give rep_hist_exit_stats_history() a better name. 2010-08-15 14:15:58 +02:00
Karsten Loesing
3d77c67d93 Fix memory leak spotted by Nick. 2010-08-15 13:34:57 +02:00
Karsten Loesing
acd25558b8 Refactor exit port statistics code and add unit tests. 2010-08-11 16:19:54 +02:00
Karsten Loesing
83626ec91c Move exit-stats code to the end of rephist.c. 2010-08-05 13:05:33 +02:00
Karsten Loesing
166c2f4d92 Allow enabling or disabling *Statistics while Tor is running.
With this patch we stop scheduling when we should write statistics using a
single timestamp in run_scheduled_events(). Instead, we remember when a
statistics interval starts separately for each statistic type in geoip.c
and rephist.c. Every time run_scheduled_events() tries to write stats to
disk, it learns when it should schedule the next such attempt.

This patch also enables all statistics to be stopped and restarted at a
later time.

This patch comes with a few refactorings, some of which were not easily
doable without the patch.
2010-08-05 13:05:25 +02:00
Sebastian Hahn
df9d42cef5 Create rephist.h 2010-07-27 10:00:46 +02:00
Sebastian Hahn
c4f8f1316e Create config.h 2010-07-27 07:58:14 +02:00
Sebastian Hahn
01c7b60a80 Create circuituse.h 2010-07-27 07:58:14 +02:00
Sebastian Hahn
174a88dd79 Create circuitlist.h 2010-07-27 07:58:13 +02:00