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119 commits

Author SHA1 Message Date
Roger Dingledine
56dfc3151f work around a tsocks bug 
when an AP connection dies early, be sure to do a socks reject
for it. if you just hang up, tsocks goes into an infinite loop.


svn:r1352
 2004-03-27 05:45:52 +00:00
Roger Dingledine
66f878513f deal with hardware word alignment 
this was causing the seg faults on sparc processors

i wonder if i got them all.


svn:r1314
 2004-03-20 09:30:30 +00:00
Nick Mathewson
2ba2f02181 Integrate the new "rephist" [rep(utation) hist(ory)] module to trace 
successful/failed connections, successful/failed extends, and
connection uptimes.

It's still not done: more tests are needed, and not everything calls
connection/circuit_mark_for_close properly.  This skews the results.

Also, there needs to be a 'testing' mode for non-OP ORs, where they
periodically build circuits just to test whether extends work.


svn:r1313
 2004-03-20 04:59:29 +00:00
Nick Mathewson
b0ef4e1143 Use strmap code for client DNS. 
svn:r1309
 2004-03-20 01:21:19 +00:00
Nick Mathewson
2da54de968 Make tor build on windows again. More work still needed 
svn:r1247
 2004-03-09 22:01:17 +00:00
Roger Dingledine
0ab367ed91 re-try streams at most 4 times 
svn:r1242
 2004-03-07 23:50:15 +00:00
Roger Dingledine
516ef41ac1 if a stream times out after 15s without a connected cell, 
don't try that circuit again.


svn:r1239
 2004-03-06 05:10:07 +00:00
Roger Dingledine
419a672222 holding until flush was borked 
we were never writing anything when hold_open_until_flushed was set,
since conn_write returns early if marked_for_conn is set.

seems a bit better now.


svn:r1214
 2004-03-03 08:46:18 +00:00
Roger Dingledine
dbdd2eaa2a don't mark_for_close again when the destroy arrives after the end cell 
svn:r1211
 2004-03-03 07:24:53 +00:00
Roger Dingledine
3c71d09402 use conn->hold_open_until_flushed for streams 
and also note/fix a variety of other stream-based bugs


svn:r1210
 2004-03-03 06:26:34 +00:00
Roger Dingledine
8275e2302c make socks5 not give a spurious warning 
also rename AP_CONN_STATE_CONNECTING to _CONNECT_WAIT


svn:r1208
 2004-03-03 04:54:16 +00:00
Nick Mathewson
6f3c6d1289 Split out mark_for_close with circuits. Seems to work for me. 
svn:r1197
 2004-03-02 17:48:17 +00:00
Nick Mathewson
a1e4c6dc85 Fix assertion failure spotted by arma. 
Apparently, when a DNS failure was already cached, then when we tried
to mark the exit connection as closed, we'd try to remove it from the
pending queue anyway, and hit an assert.  Now, we put failed-resolve
connections in a separate state so that mark_for_close does the right
thing.


svn:r1196
 2004-03-02 07:24:11 +00:00
Roger Dingledine
f81ad1550e note an assert trigger bug 
nick, want to fix this? :)


svn:r1192
 2004-03-01 12:37:45 +00:00
Roger Dingledine
e2881631cf fix duplicate call to connection_mark_for_close 
svn:r1187
 2004-02-29 22:07:44 +00:00
Roger Dingledine
2ac37c64f2 bugfix: we were checking the wrong thing to see if 'reason' 
was out of range


svn:r1186
 2004-02-29 22:04:52 +00:00
Roger Dingledine
8e5c1921fc when a stream is 15s late, print out the circuit at -l warn 
svn:r1180
 2004-02-29 09:15:29 +00:00
Roger Dingledine
195ee8c845 create a separate connection_edge_destroy() function 
svn:r1176
 2004-02-29 00:11:37 +00:00
Roger Dingledine
62d3df8633 bugfix: when we time out on a stream and detach, send an end first 
svn:r1175
 2004-02-28 23:56:50 +00:00
Roger Dingledine
dd632e697e clean up some log messages and severities 
still plenty more left to clean


svn:r1158
 2004-02-28 07:01:22 +00:00
Roger Dingledine
e59f19ca03 some more small fixes 
svn:r1152
 2004-02-28 04:44:48 +00:00
Nick Mathewson
ee68371f41 Stop answering "end" with "end" 
svn:r1150
 2004-02-28 04:25:54 +00:00
Nick Mathewson
4e89c6661a Push responsibility for connection marking down as far as possible; have only a close path; add some missing end cells; change return conventions a little. 
svn:r1149
 2004-02-28 04:11:53 +00:00
Nick Mathewson
88e222ff76 Make has_sent_end irrelevant: only try to send end if reason is nonzero 
svn:r1148
 2004-02-28 03:06:31 +00:00
Roger Dingledine
611f117ce1 patches/answers to nick's commit 
svn:r1146
 2004-02-27 23:23:33 +00:00
Nick Mathewson
c5bbb571d2 Refactor mark_for_close, connection_edge_end and friends. Now, everybody 
who wants to shut down a connection calls connection_mark_for_close instead
of setting marked_for_close to 1.  This automatically removes the connection
from the DNS cache if needed, sends a RELAY END cell if appropriate, and can
be changed to do whatever else is needed.

Still to do:
  - The same for circuits, maybe.
  - Add some kind of hold_connection_open_until_flushed flag, maybe.
  - Change stuff that closes connections with return -1 to use mark_for_close,
    maybe.


svn:r1145
 2004-02-27 22:00:26 +00:00
Roger Dingledine
737b2a0bf1 make 'connected' cells include the resolved IP 
svn:r1143
 2004-02-27 04:52:02 +00:00
Roger Dingledine
3456adec31 adding the reattach-after-timeout feature wasn't so easy after all. 
maybe it works now.


svn:r1101
 2004-02-18 01:21:20 +00:00
Roger Dingledine
39efb0ed52 retry streams where the connected cell hasn't arrived in 15 seconds 
svn:r1100
 2004-02-17 21:07:15 +00:00
Nick Mathewson
bd14023afd Propagate yes/no/maybe a little farther forward. 
svn:r1096
 2004-02-17 08:29:22 +00:00
Roger Dingledine
deda0d93dd Let AP edges receive 'end' relay cells while waiting for 'connected' 
svn:r1012
 2004-01-20 18:17:43 +00:00
Roger Dingledine
3516ae1a26 add an ap_conn connecting state; report connecting delay 
svn:r1011
 2004-01-20 09:21:46 +00:00
Roger Dingledine
522982f8e9 fix assert trigger in server 
Jan 18 04:11:43.312 [warn] connection_edge_send_command(): no circ. Closing.

i think it was while sending a connected relay cell back.
reason for having the circ gone is still not known. presumably the end cell
arrived at just the right time.


svn:r1005
 2004-01-19 04:58:39 +00:00
Roger Dingledine
5086300815 split the token bucket into 'rate' and 'burst' params 
we're not entirely migrated to burst yet, for backward compatibility

note some win32 probable-bugs

clean up routerlist.c


svn:r982
 2004-01-10 23:40:38 +00:00
Roger Dingledine
53061b3778 fix endian issue: rh.integrity was getting sent wrong 
now it's a char[4] rather than an int


svn:r966
 2004-01-02 09:03:38 +00:00
Roger Dingledine
c2e37901be stop a bug that straycat may have found 
svn:r964
 2004-01-01 07:01:09 +00:00
Roger Dingledine
43fcb70bad checkpoint: revamp relay cell packaging and handling 
include the infrastructure for inserting padding cells when there's
a relay-recognized conflict, but it does not work currently.


svn:r958
 2003-12-23 07:45:31 +00:00
Roger Dingledine
ad93c0a2bd make sure there's no conflict when generating stream_ids 
svn:r955
 2003-12-19 21:25:44 +00:00
Roger Dingledine
45a66c6955 make a relay_header_t struct and pack/unpack funcs 
split 7-byte stream_id string into 2-byte recognized and 2-byte stream_id
fix two seg faults in fetch_from_buf_http
fix several lurking seg faults in handling unexpected relay cells

still need to
 * clean up relay_crypt
 * use relay dummies if there's going to be a conflict with rh.recognized
 * check for a conflict when generating stream_ids


svn:r953
 2003-12-19 05:09:51 +00:00
Roger Dingledine
6a19e64066 remove trailing whitespace 
svn:r951
 2003-12-17 21:09:31 +00:00
Roger Dingledine
21cc01299b infrastructure for integrity-checks in relay cells 
make circuit_consider_sending_sendme use connection_edge_send_command
fix endian bug in relay length handling (maybe)


svn:r946
 2003-12-16 22:56:50 +00:00
Roger Dingledine
8712a30e91 move cell size to 512 bytes 
move length to 2 bytes, put it in the relay header
remove 4 reserved bytes in cell
add 4 bytes to relay header for the integrity check


svn:r942
 2003-12-16 09:48:17 +00:00
Nick Mathewson
7c439c30d0 Resolve format warnings on MacOS X 10.3 
svn:r938
 2003-12-16 05:33:11 +00:00
Nick Mathewson
4885e90490 Make compile warning-free on cygwin 
svn:r936
 2003-12-15 21:35:52 +00:00
Roger Dingledine
08534a6271 start tracking the 'It appears I've already sent the end' warning 
svn:r932
 2003-12-14 08:32:14 +00:00
Roger Dingledine
f9bdb8a0da document aborted attempt to merge client dns cache with server dns cache 
svn:r930
 2003-12-14 07:50:45 +00:00
Roger Dingledine
7d58bfbd50 change dns notation from question/answer to address/addr 
svn:r929
 2003-12-14 07:40:47 +00:00
Roger Dingledine
8f573c06c3 start to track the 'unexpected relay cell' warning 
svn:r928
 2003-12-14 06:50:44 +00:00
Roger Dingledine
8bd7c94bf6 general cleanups 
svn:r889
 2003-12-07 22:03:47 +00:00
Roger Dingledine
d172fdd300 fix vicious bug in connection_ap_attach_pending that caused it to 
never work.
fix vicious bug in choose_good_exit_server that caused it to *skip over*
  pending circuits, and look only at *non-pending circuits*, when choosing
  a good exit node for the new circuit.
bugfix: remove incorrect asserts in circuit_get_newest()


svn:r876
 2003-12-03 09:50:02 +00:00