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297 Commits

Author SHA1 Message Date
Mark Andrews
550085fed1 1374. [func] dns_adb_dump() now logs the lame zones associated 
with each server.
* DP now supports debbugging at non-debug levels.
* log fetch failure reasons at DEF_LEVEL.
 2002-09-10 02:01:15 +00:00
Mark Andrews
c8aa2c8311 1204. [bug] The RTT estimate on unused servers was not aged. 
[RT #2569]
 2002-05-27 06:30:25 +00:00
Andreas Gustafsson
1f1d36a87b Check return values or cast them to (void), as required by the coding 
standards; add exceptions to the coding standards for cases where this is
not desirable
 2001-11-30 01:59:49 +00:00
Mark Andrews
1e4bfff185 1137. [func] It is now possible to flush given names from the 
adb cache dns_adb_flushname().
 2001-11-27 03:00:50 +00:00
Andreas Gustafsson
452606f147 forgot to remove a function declaration in previous change 2001-11-14 23:15:44 +00:00
Andreas Gustafsson
ca50fa0230 Partial fix for RT #2053. The potential for deadlock still exists, 
but it is much less likely to occur because we now only take the ADB lock when the
external reference count reaches zero, not every time it is decremented.
Althought this does not actually fix the bug, it at least lets us make
progress on testing fixes for other bugs affecting shutdown of multithreaded
servers.
 2001-11-14 22:32:10 +00:00
Andreas Gustafsson
f3ca27e9fe sizeof style 2001-11-12 19:05:39 +00:00
Andreas Gustafsson
78bf1ca895 1111. [bug] Multithreaded servers could deadlock processing 
recursive queries due to a locking hieararchy
                        violation in adb.c. [RT #2017]
 2001-11-07 22:40:33 +00:00
Mark Andrews
773e64ec15 try-edns is no more 2001-11-07 04:25:19 +00:00
Andreas Gustafsson
ff303bcf27 Begin comments with capital letter; misc other 
comment cleanup
 2001-11-05 20:02:41 +00:00
Andreas Gustafsson
7923de0ddd consistently begin debug log messages with a lower case letter 2001-10-27 00:32:31 +00:00
Andreas Gustafsson
d3f58baf38 log a debug log message when reaching a memory water mark 2001-10-27 00:29:35 +00:00
Andreas Gustafsson
66bea4d912 if() condition in check_expire_entry did not have 
the effect I think was intended due to operator precedence: || binds tighter than ?:.
Rewrote it without :?.
 2001-10-25 17:47:16 +00:00
Mark Andrews
081cff0c33 1073. [bug] The adb cache should also be space driven, 
max-adb-size.  [RT #1915, #1938]
 2001-10-25 04:57:46 +00:00
Andreas Gustafsson
0e27dac042 spacing 2001-10-19 01:29:41 +00:00
Mark Andrews
06a960c681 971. [func] 'try-edns' can be use to disable edns on all queries. 2001-08-30 05:52:18 +00:00
Andreas Gustafsson
76c8294c81 format string bugs and improved format string checking [RT #1578] 2001-08-08 22:54:55 +00:00
Andreas Gustafsson
c44072c299 uninitialized pointer could potentially (but not likely) 
be passed to free_adbfind(); if it happened, it would look like RT #1393
(caught by bwelling)
 2001-06-11 04:26:41 +00:00
David Lawrence
92ef1a9b9d use ISC_MAGIC for all magic numbers, for our friends in EBCDIC land 2001-06-04 19:33:39 +00:00
Brian Wellington
8358be5851 uninitialized variable 2001-05-29 22:44:12 +00:00
Bob Halley
1a286a6613 In certain cases, the resolver's attempts to restart an address lookup 
at the root could cause the fetch to deadlock (with itself) instead of
restarting. [RT #1225]
 2001-05-02 17:29:17 +00:00
Andreas Gustafsson
570234616c when following A6 chains, glue was inadvertantly ignored 2001-05-01 23:17:48 +00:00
Andreas Gustafsson
784d78b831 commented 2001-04-30 18:27:10 +00:00
Brian Wellington
c20ffa38de 808. [func] Add 'rndc flush' to flush the server's cache. 2001-04-11 20:37:50 +00:00
Andreas Gustafsson
abd51a9a96 removed unused label 2001-04-10 00:18:27 +00:00
Bob Halley
907620b5e0 The ADB didn't find AAAA glue in a zone unless A6 glue was also present. 2001-03-30 17:27:29 +00:00
Andreas Gustafsson
d1cc210d20 RT #927 fix from Bob: 
759.   [bug]           The resolver didn't turn off "avoid fetches" mode
                        when restarting, possibly causing resolution
                        to fail when it should not.  This bug only affected
                        platforms which support both IPv4 and IPv6. [RT #927]

 758.   [bug]           The "avoid fetches" code did not treat negative
                        cache entries correctly, causing fetches that would
                        be useful to be avoided.  This bug only affected
                        platforms which support both IPv4 and IPv6. [RT #927]
 2001-02-28 20:51:22 +00:00
Andreas Gustafsson
a349fd680c removed all code for maintaining a 'goodness' value in the adb, 
since it was never used and Michael thinks 'it should probably be removed'.
 2001-02-09 00:13:55 +00:00
Brian Wellington
b7cd261f2f dns_name_concatenate(foo, NULL, bar, NULL) -> dns_name_copy(foo, bar, NULL) 2001-02-05 19:47:05 +00:00
Andreas Gustafsson
dfa0badebe 715. [bug] Resolving some A6 chains could cause an assertion 
failure in adb.c. [RT #738]
 2001-01-30 05:56:58 +00:00
Andreas Gustafsson
9e992ecf37 further cleanup of ADB dumps 2001-01-27 02:44:35 +00:00
Brian Wellington
7b5172166d Waking up once a second to clean one bucket is excessive. Change the 
default values (and dependencies) so that the clenup routine is called once
ever 30 seconds and cleans 8-9 buckets.
 2001-01-26 03:20:58 +00:00
Andreas Gustafsson
57ecc983c0 removed unused edns_level member from ADB entry 2001-01-22 22:53:13 +00:00
Andreas Gustafsson
d5874af5a5 removed avoid_bitstring feature from the ADB 2001-01-22 22:51:23 +00:00
Brian Wellington
499b34cea0 copyright update 2001-01-09 22:01:04 +00:00
Brian Wellington
58cbc05eb0 Fix memory leak in dns_view_find; return DNS_R_HINTNXRRSET instead of 
DNS_R_NOTFOUND when correct to do so.
 2000-12-20 23:31:11 +00:00
Brian Wellington
13090db2b1 dns_view_find can now do ANY queries; it takes additional db and node 
parameters used for return values.
 2000-12-20 03:38:46 +00:00
Andreas Gustafsson
5fca48054b dump the ADB in a more user-friendly format (unless a debug flag is set) 2000-12-18 20:03:33 +00:00
Andreas Gustafsson
acea06c80c spelling 2000-12-15 21:06:00 +00:00
Andreas Gustafsson
f58cfa95f7 comment formatting 2000-11-11 02:14:25 +00:00
Mark Andrews
368b37b616 dns_rdata_invalidate -> dns_rdata_reset 2000-10-31 03:22:05 +00:00
Mark Andrews
c03bb27f06 532. [func] Implement DNS UPDATE pseudo records using 
DNS_RDATA_UPDATE flag.

 531.   [func]          Rdata really should be initalized before being
                        assigned to (dns_rdata_fromwire(), dns_rdata_fromtext(),
                        dns_rdata_clone(), dns_rdata_fromregion()),
                        check that it is.
 2000-10-25 04:26:57 +00:00
Mark Andrews
5e589b5356 Uninitalised link fixes, batch 1. 2000-10-20 02:21:58 +00:00
Brian Wellington
d1cbf71409 clean up suspicious looking and incorrect uses of dns_name_fromregion 2000-10-07 00:09:28 +00:00
Andreas Gustafsson
6bd179ea9a removed empty line at beginning of file 2000-09-29 23:54:31 +00:00
Andreas Gustafsson
f20c9d340a fixed a typo in a comment, expanded another 2000-09-29 23:53:05 +00:00
Michael Graff
e1db5e817f ask the database for aaaa records too, when an a6 isn't found. 2000-09-26 22:28:55 +00:00
Michael Graff
7da0286b54 get rid of isc_random_t -- use a wrapper around rand() instead that doesn't do as much work. Also, implement isc_random_jitter(), used to generate a value between a min, max, with a provided jitter value. 2000-09-06 02:40:00 +00:00
Michael Graff
306a935305 add find->result_v[46] 2000-08-26 02:21:45 +00:00
Brian Wellington
5e387b9ce6 and more calls to DESTROYLOCK 2000-08-26 01:37:00 +00:00