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205 commits

Author SHA1 Message Date
Ondrej Zajicek
c1b51598d4 Implements changes in checksum alg suggested by Joakim Tjernlund. 2010-04-25 19:13:49 +02:00
Ondrej Zajicek
54305181f6 Merge branch 'new' into socket2 2010-03-11 18:55:59 +01:00
Ondrej Zajicek
ff2857b03d Many changes in (mainly) kernel syncers. 
- BSD kernel syncer is now self-conscious and can learn alien routes
- important bugfix in BSD kernel syncer (crash after protocol restart)
- many minor changes and bugfixes in kernel syncers and neighbor cache
- direct protocol does not generate host and link local routes
- min_scope check is removed, all routes have SCOPE_UNIVERSE by default
- also fixes some remaining compiler warnings
 2010-02-26 10:55:58 +01:00
Ondrej Zajicek
e81b440f68 Fix configure to enable warnings and fix most of them. 2010-02-21 14:34:53 +01:00
Ondrej Zajicek
a2ea1bac60 Moves errno.h include. 2010-02-11 21:19:20 +01:00
Ondrej Zajicek
353729f513 Temporary OSPF commit - socket changes. 2010-02-11 10:23:35 +01:00
Ondrej Zajicek
0741e68750 Socket table update. 2010-01-08 10:21:51 +01:00
Ondrej Zajicek
cf31112f0d Implements MRTdump feature. 2010-01-03 12:17:52 +01:00
Ondrej Zajicek
4ac7c8341c Use IPv6 checksums in OSPFv3. 2009-11-09 23:22:53 +01:00
Ondrej Zajicek
3f22fa9e74 Merge branch 'dev' into ospf3 2009-11-09 22:54:39 +01:00
Ondrej Zajicek
ea89da381f Workaround for stupid callback scheduler. 
There is no reak callback scheduler and previous behavior causes
bad things during hard congestion (like BGP hold timeouts).

Smart callback scheduler is still missing, but main loop was
changed such that it first processes all tx callbacks (which
are fast enough) (but max 4* per socket) + rx callbacks for CLI,
and in the second phase it processes one rx callback per
socket up to four sockets (as rx callback can be slow when
there are too many protocols, because route redistribution
is done synchronously inside rx callback). If there is event
callback ready, second phase is skipped in 90% of iterations
(to speed up CLI during congestion).
 2009-10-11 18:56:16 +02:00
Ondrej Zajicek
46eb80d5d5 Fixes headers for uintptr_t (and build on NetBSD). 2009-09-17 17:52:36 +02:00
Ondrej Zajicek
be86240662 Temporary OSPFv3 development commit. 
Finally, it is working.
 2009-09-08 13:45:02 +02:00
Ondrej Zajicek
daeeb8e982 Clear memory allocated by ralloc(). 
This also fixes bug that timer->recurrent was not cleared
in tm_new() and unexpected recurrence of startup timer
in BGP confused state machine and caused crash.
 2009-09-04 11:24:08 +02:00
Ondrej Zajicek
f9c799a00e Temporary OSPFv3 development commit (changing multicast support). 2009-09-04 11:06:51 +02:00
Ondrej Zajicek
061ab802a6 Temporary OSPFv3 development commit 2009-08-27 18:25:46 +02:00
Ondrej Zajicek
b49e6f5a65 Temporary OSPFv3 development commit 2009-08-25 16:42:14 +02:00
Ondrej Zajicek
54d70d3ebb Fixes compiler warning in OFFSETOF(). 2009-07-23 22:21:17 +02:00
Ondrej Zajicek
2f6483cd31 Adds %R printf directive for Router ID. 2009-07-23 16:06:25 +02:00
Ondrej Zajicek
d1abbeacfb Fixes memory alignment problems on Sparc64. 
Not quite standard construction, i should add
some autoconf macro.

Not tested yet.
 2009-07-06 19:07:01 +02:00
Ondrej Zajicek
789772ed45 Implements option that changes BGP listening socket parametres. 2009-06-18 19:20:07 +02:00
Ondrej Zajicek
1b3b3e34ec Minor bugfixes. 2009-06-18 14:32:44 +02:00
Ondrej Zajicek
3d15dcdb1c Changes OSPF to generate stub networks for non-primary addresses. 
Also does some reorganization in RT LSA announcement.
 2009-06-10 23:45:08 +02:00
Ondrej Zajicek
c60cdd8c39 Cleanup changes 2009-03-31 21:17:00 +02:00
Ondrej Zajicek
b1a597e0c3 Reimplementation of prefix sets. 
Prefix sets were broken beyond any repair and have to be reimplemented.
They are reimplemented using a trie with bitmasks in nodes.
There is also change in the interpretation of minus prefix pattern,
but the old interpretation was already inconsistent with
the documentation and broken.

There is also some bugfixes in filter code related to set variables.
 2009-03-31 12:55:57 +02:00
Ondrej Zajicek
cb53039271 Rate limit for most abundant log messages 2009-02-26 14:23:54 +01:00
Ondrej Zajicek
02a9eeeb85 Slist update 2009-01-12 14:40:21 +01:00
Ondrej Zajicek
083c43e22e fixes some 64-bit related bugs. 
Filter code used 'aux' integer field of 'symbol' struct to store ptr
to next symbol and both 'aux2' and 'def' fields for value.
Changed to just 'def' for value and 'aux2' for ptr to next symbol.
Also another minor bugfix.
 2008-12-25 11:55:27 +01:00
Ondrej Zajicek
b933281ed5 Fixes nasty bug in event processing. 
WALK_LIST_DELSAFE (in ev_run_list) is not safe with regard
to deletion of next node. When some events are rescheduled
during event execution, it may lead to deletion of next
node and some events are skipped. Such skipped nodes remain
in temporary list on stack and the last of them contains
'next' pointer to stack area. When this event is later
scheduled, it damages stack area trying to remove it from
the list, which leads to random crashes with funny
backtraces :-) .
 2008-12-18 23:26:08 +01:00
Ondrej Zajicek
a39b165e45 Multihop BGP was completely broken, because listening socket has always 
ttl 1.
 2008-11-01 16:58:40 +01:00
Ondrej Zajicek
d51aa28190 Implementation of MD5 authentication of BGP sessions. 2008-10-26 22:42:39 +01:00
Martin Mares
057021df0d Fix behavior of ipa_opposite(). 
It was giving wrong results on /30 networks.
 2008-08-25 11:19:49 +00:00
Martin Mares
9831e5916f Staticized lots of local functions. 2004-06-05 09:58:23 +00:00
Martin Mares
2f6de49f8c Better prototypes. 2004-06-05 09:57:49 +00:00
Martin Mares
fab37e8197 One more in the library. 2004-06-05 09:27:02 +00:00
Martin Mares
e98bc2ea9b Renamed log() to log_msg(), but still keeping the old name as a macro. 
This is done to avoid clashes with gcc-3.3 which has built-in logarithms :)
 2004-06-05 09:05:12 +00:00
Martin Mares
5da8f82feb A better comment. 2004-06-05 09:01:12 +00:00
Ondrej Filip
e7ef86a58c OSPF is ready for changing MTU. 2004-06-04 18:51:29 +00:00
Ondrej Filip
7fdd338c36 ALIGN -> BIRD_ALIGN 2004-06-01 10:28:25 +00:00
Martin Mares
38a608c55a Rewritten the I/O loop. All socket operations are now safe, meaning that 
you can delete the socket from anywhere in the hooks and nothing should break.
Also, the receive/transmit buffers are now regular xmalloc()'ed buffers,
not separate resources which would need shuffling around between pools.

sk_close() is gone, use rfree() instead.
 2004-05-31 21:48:19 +00:00
Martin Mares
206f59dfa8 Added UNUSED. 2004-05-31 21:02:09 +00:00
Martin Mares
2cc37815ae Added rmove() (by Andreas, tweaked by me). 2004-05-31 18:47:19 +00:00
Ondrej Filip
1bd897dd33 Changed of comments. 2004-05-31 17:27:21 +00:00
Ondrej Filip
7dbd4fd332 alloca.h added 2004-05-31 17:13:58 +00:00
Ondrej Filip
0e6eef620d Use #include "alloca.h" 2004-05-31 17:07:05 +00:00
Ondrej Filip
012279f395 Some include added. 2004-05-31 13:59:03 +00:00
Ondrej Filip
d93fb7e6b9 #ifndef ALIGN - it is defined on *BSD 2004-05-31 13:58:38 +00:00
Martin Mares
47f18ac39a ABS should be a macro. 2002-11-13 08:47:19 +00:00
Martin Mares
30b773041c IP address formatting now uses the same rules as formatting of strings 
with two exceptions:

   o  Any non-zero field width is automatically replaced by standard
      IP address width. This hides dependences on IPv4/IPv6.
   o  %#I generates hexadecimal form of the address.

Therefore |%I| generates unpadded format, |%1I| full size flush-right,
and |%-1I| full size flush-left format.
 2001-08-19 11:11:44 +00:00
Martin Mares
27e993fb4e Fixed duplicity in log category numbering. 
Thanks to Zheng Yuan for spotting this.
 2001-02-20 09:49:19 +00:00
Martin Mares
0766e962e9 Bug fix from Zheng Yuan <zyuan1@cig.mot.com>. 2001-01-17 08:32:28 +00:00
Martin Mares
a2d01907c5 Added an explanatory comment. 2001-01-15 09:24:16 +00:00
Martin Mares
725270cb1d Fixes for the programmer's manual. 2000-06-08 12:37:21 +00:00
Martin Mares
58f7d004fd Fixes to the progdoc. 2000-06-07 13:25:53 +00:00
Martin Mares
2e9b24211a Spelling fixes to progdoc. 2000-06-07 12:29:08 +00:00
Ondrej Filip
3df89cefc1 #define SIZE_OF_IP_HEADER 2000-06-07 01:18:36 +00:00
Martin Mares
525fa2c1f0 Documented sockets, events and timers. 2000-06-05 12:19:12 +00:00
Martin Mares
5cc1e1f805 Documented memory resources. 2000-06-05 11:41:41 +00:00
Martin Mares
7722938d63 Added library progdocs. 2000-06-04 18:34:39 +00:00
Martin Mares
38cf78a97a Added the introduction chapter of progdoc. 2000-05-31 13:30:58 +00:00
Martin Mares
fcb5f4a725 Updated all the Doc files to new format. 2000-05-31 11:30:18 +00:00
Martin Mares
cfa6ab0593 Added ipa_absolutize() which converts link-scope addresses to global scope 
ones according to prefix assigned to the corresponding interface.
 2000-05-30 22:47:33 +00:00
Martin Mares
be77b6890c Poisoning: take there... 2000-05-16 15:02:33 +00:00
Martin Mares
e2f4f27564 Oops, the poison was too deadly... 2000-05-16 13:53:44 +00:00
Martin Mares
b8e60d3562 Added poisoning of free'd objects when we're debugging. 2000-05-16 13:51:31 +00:00
Martin Mares
758458be05 Unified parsing of prefixes. 
Had to rename `prefix' in filters to `fprefix'.
 2000-05-13 11:17:49 +00:00
Martin Mares
c976342828 Implemented debugging function rlookup() which you can call from gdb 
to see what resource does the address given as a parameter belong to.
 2000-05-08 22:33:38 +00:00
Martin Mares
ab1129c1bd Added skeleton Doc files for the whole developer's documentation. 2000-05-05 17:17:42 +00:00
Martin Mares
2a149b18cc Unused variables in IPv6 code. 2000-05-04 20:38:44 +00:00
Martin Mares
93a786cb03 Removed a lot of unused variables. 
Please try compiling your code with --enable-warnings to see them. (The
unused parameter warnings are usually bogus, the unused variable ones
are very useful, but gcc is unable to control them separately.)
 2000-05-04 20:30:36 +00:00
Martin Mares
53943a0022 Defined format specifier %M' which behaves as %m', but takes the 
error code as an argument.

Use it in socket hooks where we really shouldn't rely on errno containing
the right value or even existing.
 2000-05-02 16:10:04 +00:00
Martin Mares
85a291ff30 IPv6 address classification fixes. 2000-05-02 15:21:51 +00:00
Martin Mares
8f6accb5bb Event handlers no longer return re-queue flag. Instead of using it, just 
call ev_schedule() on the same handler which should work perfectly now.
 2000-04-27 22:28:49 +00:00
Martin Mares
7750634946 Introduced `ARRAY_SIZE' macro to replace all the sizeof(a)/sizeof(*a) constructs. 2000-04-12 13:21:23 +00:00
Martin Mares
ac4b4683ae Removal of useless includes continues... 2000-03-31 23:40:00 +00:00
Martin Mares
a37410cbdd Use bsprintf() instead of sprintf(). 2000-03-31 23:33:03 +00:00
Martin Mares
221135d6bf Include "lib/string.h" instead of <string.h>. It should give us bzero() 
and other non-portable functions on all systems.
 2000-03-31 23:30:21 +00:00
Martin Mares
320f417357 Defined sk_close() which closes the socket safely even if called from 
socket hook. Replaces the SK_DELETED hack.

Squashed a couple of bugs in handling of TCP sockets.
 2000-03-30 10:43:37 +00:00
Martin Mares
3ee2310c5d Avoid conflicts with libraries defining their own xmalloc by defining 
xmalloc to bird_xmalloc internally.
 2000-03-29 22:57:46 +00:00
Martin Mares
a8f944cb6e Wrote real version of unaligned data access functions (needed for BGP). 2000-03-21 15:51:30 +00:00
Martin Mares
e68dd11c43 Use do { } while(0) instead of empty DBG if not debugging. 2000-03-12 21:47:25 +00:00
Martin Mares
3cbfcafecd DBG calls debug() if defined(LOCAL_DEBUG) || defined(GLOBAL_DEBUG). 2000-03-07 21:04:14 +00:00
Martin Mares
3549667925 Implemented real slab allocator. If you suspect it from being buggy, 
just #define FAKE_SLAB at the top of lib/slab.c to bypass it.
 2000-03-05 22:48:30 +00:00
Martin Mares
4ebbbd4079 Changed comments regarding hash function. 2000-03-01 12:15:20 +00:00
Martin Mares
14a6c2a705 IP_PREC_INTERNET_CONTROL for IPv6 (see the comment). 2000-03-01 12:03:43 +00:00
Martin Mares
ebc793a5f5 No more problems when events get scheduled during event processing. 2000-01-16 17:39:16 +00:00
Martin Mares
12a9d139ee ipv6_compare() accepts non-lvalue arguments as well. This makes filters 
compile with IPv6.
 1999-12-16 13:13:22 +00:00
Martin Mares
a0c37b45e5 Logging is now configurable. You can define multiple log outputs (to both 
files and syslog) and assign lists of message categories to each of them.
 1999-12-06 13:45:56 +00:00
Martin Mares
ea32afb765 Added ip_scope_text() for translating of scopes to strings. 1999-11-25 15:34:20 +00:00
Martin Mares
84a7d7f77c ev_run() now returns whether the event has been requeued or not. 
ev_run_list() now returns number of events which remain in the list.
 1999-11-17 12:01:11 +00:00
Martin Mares
b93abffae4 Implemented unix-domain sockets. 1999-10-29 12:09:29 +00:00
Martin Mares
0d70292d88 Events now return a value. If it's non-zero, the event is re-queued 
for processing in next event cycle. This can be used to prevent background
actions (hint: user commands) from hogging the CPU for too long time.
 1999-10-29 12:08:49 +00:00
Martin Mares
92af6f309b Simplify handling of free chunks. 1999-10-29 10:08:27 +00:00
Martin Mares
89dc383a8c Changed syntax of ip_class_mask, the old one was stupid. 1999-10-12 07:46:08 +00:00
Martin Mares
507cb9e58b Don't forget to free large blocks. 1999-10-02 10:55:19 +00:00
Martin Mares
f651941402 Added a function for generating 32-bit random numbers. 1999-08-17 20:47:40 +00:00
Martin Mares
4f22c98185 Support for IPv6 sockets. How nice one doesn't have to ifdef around 
ten years of API evolution :-)
 1999-08-03 19:36:51 +00:00
Martin Mares
dce267832a Basic support for IPv6. The system-dependent part doesn't work yet, 
but the core routines are there and seem to be working.

   o  lib/ipv6.[ch] written
   o  Lexical analyser recognizes IPv6 addresses and when in IPv6
      mode, treats pure IPv4 addresses as router IDs.
   o  Router ID must be configured manually on IPv6 systems.
   o  Added SCOPE_ORGANIZATION for org-scoped IPv6 multicasts.
   o  Fixed few places where ipa_(hton|ntoh) was called as a function
      returning converted address.
 1999-08-03 19:36:06 +00:00
Martin Mares
b6628a8c98 Added macros for walking lists backwards. 1999-08-03 19:31:30 +00:00
Martin Mares
5e13ffe6f4 Faster checksum function. 1999-08-03 19:29:57 +00:00