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52 commits

Author SHA1 Message Date
Ondrej Zajicek
42a0c05408 BGP Extended communities. 2011-08-14 13:55:02 +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
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
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 Filip
946dc15c92 Documentation update and improvement of tests related to expressions in sets. 2010-08-03 17:35:34 +02:00
Ondrej Filip
4733b49ed6 Syntax of sets improved. 2010-08-03 15:16:25 +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
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
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 Filip
0efd646278 Define symbols as text between ''. 2010-02-10 12:30:14 +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
Ondrej Zajicek
4cdd078453 Implements protocol-specific router id and updates documentation. 2009-10-12 23:31:42 +02:00
Ondrej Zajicek
5004d02cb9 Merge branch 'master' into dev 2009-06-26 01:06:12 +02:00
Ondrej Zajicek
92a72a4cbd Adds support for dynamic pair and bgp mask expressions. 2009-06-01 19:32:41 +02:00
Ondrej Filip
a6c9f0648d Missing boolean comparison added. 2009-05-28 13:37:04 +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
cf18603491 New syntax for bgp_path 2009-03-14 12:43:10 +01:00
Pavel Machek
4bb18dd2da Fix i_same for 'c' instruction. 2000-06-08 16:57:41 +00:00
Pavel Machek
64ba9f7bcc Do not try to divide by zero. 2000-06-02 08:01:12 +00:00
Pavel Machek
5f4aee76a2 Added && and ||. 2000-06-01 08:43:29 +00:00
Pavel Machek
9a09a64bb4 Use ? in path matching to avoid /* trap. 2000-05-25 14:58:38 +00:00
Pavel Machek
60de3356ab Resolved shift/reduce conflict 2000-05-16 14:24:33 +00:00
Pavel Machek
c5a06f65ee Allow other operations than +. 2000-05-15 12:27:45 +00:00
Pavel Machek
cbfd671f11 Allow accessing defined symbols. 2000-05-15 12:19:26 +00:00
Pavel Machek
6be662d917 Use new eval mechanism for testing filters. 2000-05-15 12:07:09 +00:00
Pavel Machek
f71bded6e9 Bugfix in i_same (comparing of paths still does not work). 2000-04-26 09:30:12 +00:00
Pavel Machek
7a86a8b08d Added code for testing filters. 2000-04-26 08:03:50 +00:00
Pavel Machek
94d9dfa47a Startup renamed to __startup: it is internal function and mj already 
uses word startup in other context.
 2000-04-26 07:31:45 +00:00
Pavel Machek
2bd2de0188 pair ~ community list matching works. 2000-04-17 11:49:21 +00:00
Pavel Machek
4444ed2b26 It is good idea to separate entries in list _somehow_. Adding/deleting 
to community lists from filters now works.
 2000-04-17 11:42:08 +00:00
Pavel Machek
9c400ec9dd Int sets moved to core. It is now possible to have variable of type clist. 2000-04-17 11:34:38 +00:00
Pavel Machek
684c6f5a0e Path_getlen moved to nest and length was made callable from filters. 2000-04-17 11:06:39 +00:00
Pavel Machek
4b641bab52 Path matching now actually works, including / * 1 2 3 * /. 2000-04-17 10:50:03 +00:00
Pavel Machek
e399b6f6ad Path and path matching seem to work, now. 2000-04-17 10:42:28 +00:00
Pavel Machek
10a5360886 Filters now know type path. It is possible to declare variable of type 
path, but it is not possible to write constant of type path.

It should be possible to print paths and match them.
 2000-04-12 13:31:39 +00:00
Pavel Machek
77de68825c BGP_PATH masks now actually work as data type. 2000-04-12 12:10:37 +00:00
Pavel Machek
995e5894cd 1 less shift/reduce conflict 
print now takes arguments separated by ,

[ 1.2.3.0/24 .. 3.4.5.0/8 ] is now forbidden

[ 1.2.3.0/8 ] now actually works
 2000-03-09 14:47:43 +00:00
Pavel Machek
d4d7562806 Avoid being exponential, do not allow ! = 2000-03-02 22:23:18 +00:00
Pavel Machek
2d496d2028 Get rid of 'ab'-s, added return to functions. 2000-02-25 11:15:26 +00:00
Pavel Machek
9a4037d408 filter_same() implemented. Don't bet on it, yet. 2000-01-31 17:44:22 +00:00
Pavel Machek
2e18b87dcf Disallow rta.net syntax. 1999-12-08 12:51:26 +00:00
Pavel Machek
455ca441d9 Check that prefixes are really prefixes + fix config file to 
comply. (:-( 1.2.3.4/8 looks nicer than 1.0.0.0/8).
 1999-11-24 12:16:31 +00:00
Pavel Machek
48f9e01954 Filters: write access to dynamic attributes should actually work. It 
would be nice to find method of testing such beasts.
 1999-11-24 12:04:32 +00:00
Pavel Machek
c7b43f33ae Split inst->code into inst->code and inst->aux. Both are only 16 bit, 
so aux is suitable for storing type but not much more.
 1999-11-18 14:01:36 +00:00