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247 commits

Author SHA1 Message Date
Ondrej Zajicek
00192d5ab8 Implements proper setting of 'gw' route attribute. 
Thanks to Sergey Popovich for the bugreport.
 2013-08-13 20:32:02 +02:00
Ondrej Zajicek
4ee39ff2ff Fixes initial random values for function arguments. 
Thanks to Javor Kliachev for the bugreport.
 2013-07-26 11:08:59 +02:00
Ondrej Zajicek
1103b32e83 Allows to define constants of all filter types. 2013-07-25 22:33:57 +02:00
Ondrej Zajicek
508d936078 Implements eval command and minor CLI cleanups. 
Implemented eval command can be used to evaluate expressions.

The patch also documents echo command and allows to use log classes
instead of integer as a mask for echo.
 2013-07-25 13:15:32 +02:00
Ondrej Zajicek
cc31b75a8f Implements 'bgppath ~ int set' filter op. 2013-07-09 23:27:10 +02:00
Ondrej Zajicek
36da2857bc Implements router advertisements activated by received routes. 
The RAdv protocol could be configured to change its behavior based on
availability of routes, e.g., do not announce router lifetime when a
default route is not available.
 2013-02-08 23:58:27 +01:00
Ondrej Zajicek
b31774eeb0 Removes some nonsense. 2012-11-27 01:30:09 +01:00
Ondrej Zajicek
3e40f3e795 Fixes setting of route attributes of type router id. 2012-11-27 01:25:47 +01:00
Ondrej Zajicek
4be266a983 Implements wildcard matching in config file include. 
Also fixes some minor bugs in include.

Thanks Kelly Cochran for suggestion and draft patch.
 2012-07-18 19:29:33 +02:00
Ondrej Zajicek
182a78957d Allows some modifications of dest attribute in filters. 2012-04-29 01:35:52 +02:00
Ondrej Zajicek
af582c4811 Route Origin Authorization basics. 
- ROA tables, which are used as a basic part for RPKI.
 - Commands for examining and modifying ROA tables.
 - Filter operators based on ROA tables consistent with RFC 6483.
 2012-03-18 17:32:30 +01:00
Ondrej Zajicek
0888a737b0 Extends set operations in filters. 
Allows add/filter/delete clist on clist (set algebra on clists).

Allows number ~ bgppath match.
 2012-03-15 21:07:58 +01:00
Ondrej Zajicek
8796a8a56e Fixes name for unnamed filters. 
Thanks to Alexander V. Chernikov for the suggestion.
 2012-03-15 12:50:49 +01:00
Ondrej Zajicek
117e3c4bbf Fixes a bug in pair set intervals. 
Pair intervals in form (a,b)..(c,d) were mishanded.

Thanks to Alexander Shikoff for the bugreport.
 2012-03-15 12:18:26 +01:00
Ondrej Zajicek
a03ede6493 Fixes a tricky bug in route filtering. 
Route attributes was used after rta was freed during copy-on-write in
filter code. This causes some random crashes, esp. with multipath
routes.
 2012-01-03 00:42:25 +01:00
Ondrej Zajicek
78e33c29bb Some minor fixes in parser. 2011-10-26 20:06:36 +02:00
Ondrej Zajicek
736fd7303c Fixes a bug with multiple function arguments. 2011-09-27 13:49:32 +02:00
Ondrej Filip
4271f2b77e Fixed problem during 'configure' with EC 2011-09-18 13:52:50 +02:00
Ondrej Filip
48ec367aab Configuration can include other files. 2011-09-11 21:21:47 +02:00
Ondrej Zajicek
42a0c05408 BGP Extended communities. 2011-08-14 13:55:02 +02:00
Ondrej Zajicek
fdf16eb658 Prints full community lists during 'show route all'. 2011-07-03 19:43:30 +02:00
Ondrej Zajicek
e08d2ff08e Adds filter clist operation. 2011-06-26 17:09:24 +02:00
Ondrej Zajicek
b8cc390e7e Fixes several problems in filter syntax. 
- Fixes several conflicts in the grammar.
 - Fixes a bug in (a..b, c) pair patterns.
 - Makes pair patterns orthogonal.
 - Allows term expressions in pair patterns without additional ( ).
 - Allows several comma separated values in switch cases.
 2011-05-06 22:00:54 +02:00
Ondrej Filip
c454872f4e Avoid using stack. 2011-03-27 23:27:37 +02:00
Ondrej Filip
4fc36f394e This adds (*,x) functionality. 2011-03-26 14:18:56 +01:00
Ondrej Zajicek
0aa88530ad Convert && and || to shortcut boolean operators. 2011-03-23 13:40:46 +01:00
Ondrej Zajicek
26d92bb892 A hack to distinguish if..else from else: in case. 
The old BIRD grammar needs two lookaheads to distinguish if..else from
else: in case, which caused the parser to fail on some combinations of
both expressions.

This patch replaces two tokens 'else' ':' by one token 'else:' to fix
that.
 2011-03-23 12:49:53 +01:00
Ondrej Zajicek
938b191b92 Fixes error handling in ASN expressions. 2010-10-09 01:00:53 +02:00
Ondrej Zajicek
b2b7bbfc69 Fixes scope of filter symbols. 2010-10-04 19:55:11 +02:00
Ondrej Zajicek
0d1b3c4c0e Changes print-like filter commands to use a log instead of a stderr. 
And extends the log subsystem to better handle that.
 2010-09-20 13:01:01 +02:00
Ondrej Zajicek
2dec1e3471 Fixes a bug in pair sets. 2010-09-15 02:01:23 +02:00
Ondrej Zajicek
a58022a64e Fixes a bug in community set delete. 2010-09-11 20:14:53 +02:00
Ondrej Filip
946dc15c92 Documentation update and improvement of tests related to expressions in sets. 2010-08-03 17:35:34 +02:00
Ondrej Filip
edaec901e1 Even set of number can be made by expressions. 2010-08-03 15:22:29 +02:00
Ondrej Filip
4733b49ed6 Syntax of sets improved. 2010-08-03 15:16:25 +02:00
Ondrej Zajicek
c477f48916 Hostcache should use trie to filter relevant route changes. 2010-07-27 18:20:12 +02:00
Ondrej Zajicek
7f0d245a5e Minor changes in prefix trie. 2010-07-27 17:17:11 +02:00
Ondrej Zajicek
ba5c0057ed Extends pair set syntax, matching and deleting against clist. 
Expressions like (123,*) can be used in pair set literals, clists can be
matched against pair sets (community ~ pairset) and pair sets can be
used to specify items to delete from clists (community.delete(pairset)).
 2010-05-22 22:47:24 +02:00
Ondrej Zajicek
d759c1a6f8 NEWS and version update. 2010-04-09 17:42:39 +02:00
Ondrej Zajicek
0277cc0baf Revert "Fixes behavior of defined() on bgp_community attribute." 
This reverts commit 74e9331fe0.
 2010-04-08 17:47:14 +02:00
Ondrej Zajicek
126683feed Filter language updates; new route attributes and datatype. 
- Adds bgp_originator_id and bgp_cluster_list route attributes.
 - Adds dotted quad filter datatype (for router IDs, used by
   bgp_originator_id and ospf_router_id route attributes).
 - Fixes pair ~ pair set matching.
 - Documentation updates.
 2010-03-29 19:29:03 +02:00
Ondrej Zajicek
aa46124804 Clear local variables in filters and functions. 
Fixes crash when used uninitialized variables.
This problem was surprisingly tricky to fix.
 2010-03-19 09:41:18 +01:00
Ondrej Zajicek
74e9331fe0 Fixes behavior of defined() on bgp_community attribute. 2010-03-18 00:10:35 +01:00
Ondrej Zajicek
e8da1bd0b5 Fixes missing cases in filters. 2010-03-15 00:34:44 +01:00
Ondrej Zajicek
dfd48621d1 Replaces the algorithm for building balanced trees. 
Changes the time complexity of the algorithm from O(n^2) to O(n*log(n)).
This speeds up loading of huge DEC-IX config from 128 s to 15 s. It also
makes the code significantly simpler.
 2010-02-17 22:11:42 +01:00
Ondrej Zajicek
14f6aca480 Changes right recursion to left in the grammar of the case expression. 2010-02-17 11:29:48 +01:00
Ondrej Filip
0efd646278 Define symbols as text between ''. 2010-02-10 12:30:14 +01:00
Ondrej Zajicek
5f47c4c11e Changes right-recursion to left-recursion in a filter grammar. 
Because we don't want to have a limit on a function/filter length.
 2010-02-02 00:03:46 +01:00
Ondrej Filip
1960d20350 Priority for '||' and '&&' fixed. 2010-01-27 23:45:36 +01:00
Ondrej Filip
7515dafc00 Allow multiple || and && statements. 2010-01-27 22:26:45 +01:00