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293 commits

Author SHA1 Message Date
Martin Mares
498c33395f Cosmetic fixes. 2000-05-06 21:42:19 +00:00
Martin Mares
0b7610985c Fixed silly bug in previous commit. 2000-05-06 21:31:41 +00:00
Martin Mares
67be5b23cd When rte_update is called for an identical route, don't announce anything. 
Please implement the rte_same hook in your protocols. It should just
compare your metrics stored directly in rte, the rest is done by the core.
 2000-05-06 21:21:19 +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
beaf86e13c Removed RTS_RIP_EXT. 2000-05-04 21:23:10 +00:00
Martin Mares
9a220cabbc #ifdef out lots of debugging information. 
The long resource/routing table dump printed upon startup is gone now
and if you wish to see it, just send bird SIGUSR1 or use the `debug'
commands.
 2000-05-04 20:52:28 +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
1d9622e10d Switched off LOCAL_DEBUG. 2000-05-04 09:08:28 +00:00
Martin Mares
85a291ff30 IPv6 address classification fixes. 2000-05-02 15:21:51 +00:00
Martin Mares
2edb31b097 Split CF_HDR section to CF_HDR (only includes) and CF_DEFINES (defines, 
C declarations etc.).
 2000-04-28 15:11:10 +00:00
Martin Mares
f75e3bbc01 Fixed a couple of nasty CLI bugs which were triggered on long or multi-part 
outputs. It took a whole evening to hunt them down, but now the CLI seems
to work fine.

Now I run three BGP connections with several thousand routes!
 2000-04-27 22:35:08 +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
987de54578 Fixed stupid bug in as_path_format(). 2000-04-27 19:44:27 +00:00
Martin Mares
dbf3939a53 Better formatting of router ID's. 2000-04-26 12:32:07 +00:00
Martin Mares
ebd3720f83 Fixed several bugs in protocol state machine. Reconfigurations and 
restarts of BGP seem to work now.
 2000-04-26 12:30:41 +00:00
Pavel Machek
9834765946 Whitespace changes. 2000-04-26 09:37:07 +00:00
Martin Mares
41b26cfb55 Don't forget to set filter pointers in struct proto when reconfiguring. 2000-04-25 21:56:46 +00:00
Martin Mares
56a2bed46b Don't import/export MED and LOCAL_PREF on external links. 
Added real comparison of BGP routes (inspired by the Cisco one).
Default local preference and default MED are now settable.
Defined filter keywords for all BGP attributes we know.
 2000-04-17 12:46:07 +00:00
Martin Mares
700bbe60fb The previous fix for spacing was (a) totally out of context, (b) wrong. 
Please *read* the code when trying to change it.

Also killed a couple of type clashes.
 2000-04-17 11:49:41 +00:00
Pavel Machek
5a2455886d Put space between entries so they are separated. 
FIXME: should use format as in filters.
 2000-04-17 11:42:34 +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
Martin Mares
51a183af78 Define EAF_ORIGINATED and propagate it properly when merging attribute lists. 2000-04-17 11:23:05 +00:00
Martin Mares
4b03f64b34 Aesthetical tweaks (asterisk spells `asterisk' etc.) 2000-04-17 11:22:24 +00:00
Pavel Machek
2a40efa5e6 as_path_match moved to a-path.c 2000-04-17 11:11:33 +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
Martin Mares
c6add07fa6 Printing of AS paths and community sets. 2000-04-17 10:18:55 +00:00
Martin Mares
c0668f3696 Created nest/a-path.c and a-set.c which should contain general operations 
on AS paths and community sets.

Moved as_path_prepend() there.

Pavel, please move the other functions as well.
 2000-04-17 07:53:29 +00:00
Martin Mares
b475c543b4 Fix comments. 2000-04-10 22:08:32 +00:00
Pavel Machek
73e03bce66 As usuall, most important info was missing. 2000-04-10 14:45:00 +00:00
Martin Mares
6f57dcc07c Export ea_same() and ea_hash(). 2000-04-10 12:39:29 +00:00
Martin Mares
287111fed1 Fix stupid bug in neighbor cache. 2000-04-10 10:40:00 +00:00
Martin Mares
d3feceff10 BGP doesn't need any inline attributes. 2000-04-09 22:04:12 +00:00
Martin Mares
3991d84e8f Changed initialization of protocol list -- now we call proto_build() instead 
of calling the protocols manually.

Implemented printing of dynamic attributes in `show route all'.

Each protocol can now register its own attribute class (protocol->attr_class,
set to EAP_xxx) and also a callback for naming and formatting of attributes.
The callback can return one of the following results:

	GA_UNKNOWN	Attribute not recognized.
	GA_NAME		Attribute name recognized and put to the buffer,
			generic code should format the value.
	GA_FULL		Both attribute name and value put to the buffer.

Please update protocols generating dynamic attributes to provide
the attr_class and formatting hook.
 2000-04-01 10:19:47 +00:00
Martin Mares
f880924990 BGP now handles incoming routes (IPv4 only). 2000-04-01 09:17:33 +00:00
Martin Mares
8581061399 When tracing, always print incoming part of the trace before the outgoing one. 
Avoid buffer overflows in `show routes' command.
 2000-04-01 09:16:42 +00:00
Martin Mares
ac4b4683ae Removal of useless includes continues... 2000-03-31 23:40:00 +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
08732b7178 Fixed bug in processing of dynamic attributes. 2000-03-31 23:21:19 +00:00
Martin Mares
3a6337ecb2 Use FF_FORCE_TMPATTR where appropriate. 2000-03-30 08:50:46 +00:00
Pavel Machek
0a06a9b8b3 f_run gets one more parameter to distinguish between in and out modes. 2000-03-29 09:02:00 +00:00
Martin Mares
200accf396 if_connected() is again private. 
Introduced neigh_connected_to() to serve the same purpose efficiently.
 2000-03-27 12:16:37 +00:00
Pavel Machek
6480dd0880 I broke compilation. Sorry. 2000-03-26 21:31:57 +00:00
Pavel Machek
697711be2c if_connected is usefull outside of neighbour cache. 2000-03-26 18:00:45 +00:00
Martin Mares
267a2c0ebd Added missing newline in debug output. 2000-03-20 20:52:18 +00:00
Martin Mares
ca97b489de Define new data types for BGP. 2000-03-20 18:45:03 +00:00
Martin Mares
2638249d34 Bare skeleton of the BGP. 2000-03-19 22:09:07 +00:00
Martin Mares
349e21bb0b Protocol tracing: Don't dump core on filtered out routes. 2000-03-19 21:59:24 +00:00
Martin Mares
f098e072be Fixed a bunch of FIXME's by removing them :) 2000-03-12 22:53:05 +00:00
Martin Mares
4327090276 Made `show status' show uptime and time of last reconfiguration. 2000-03-12 22:44:54 +00:00
Martin Mares
6b9fa32080 Great cleanup of debug messages. LOCAL_DEBUG turned off in most modules, 
several debug() calls converted to DBG().
 2000-03-12 21:01:38 +00:00
Martin Mares
6a9f28b0b9 Added tracing of interface events. 2000-03-12 20:50:35 +00:00
Martin Mares
b0a47440e3 Oops, got <' and >' markers in trace output reversed. 2000-03-12 20:49:08 +00:00
Martin Mares
cfd46ee4c5 Added debugging of communication between protocols and routing tables. 
Just ask for "debug routes" if you want to see the routes and "debug filters"
if you want even the rejected ones.
 2000-03-12 20:30:53 +00:00
Martin Mares
839380d7ec Added debugging of protocol state transitions. 2000-03-07 21:50:21 +00:00
Martin Mares
f30b86f9d5 Added configuration of default protocol debugging flags. 2000-03-07 21:50:03 +00:00
Martin Mares
96d8e3bff2 Added protocol debugging flags (protocol.h: D_xxx), parsing of them 
in configuration files and commands for manipulating them.

Current debug message policy:

   o  D_STATES, D_ROUTES and D_FILTERS are handled in generic code.
   o  Other debug flags should be handled in the protocols and whenever
      the flag is set, the corresponding messages should be printed
      using calls to log(L_TRACE, ...), each message prefixed with
      the name of the protocol instance. These messages should cover
      the whole normal operation of the protocol and should be useful
      for an administrator trying to understand what does the protocol
      behave on his network or who is attempting to diagnose network
      problems. If your messages don't fit to the categories I've defined,
      feel free to add your own ones (by adding them to protocol.h
      and on two places in nest/config.Y), but please try to keep the
      categories as general as possible (i.e., not tied to your protocol).
   o  Internal debug messages not interesting even to an experienced
      user should be printed by calling DBG() which is either void or
      a call to debug() depending on setting of the LOCAL_DEBUG symbol
      at the top of your source.
   o  Dump functions (proto->dump etc.) should call debug() to print
      their messages.
   o  If you are doing any internal consistency checks, use ASSERT
      or bug().
   o  Nobody shall ever call printf() or any other stdio functions.

Also please try to log any protocol errors you encounter and tag them
with the appropriate message category (usually L_REMOTE or L_AUTH). Always
carefully check contents of any message field you receive and verify all
IP addresses you work with (by calling ipa_classify() or by using the
neighbour cache if you want to check direct connectedness as well).
 2000-03-07 20:49:48 +00:00
Martin Mares
9f4929e749 Renamed EAF_INLINE to EAF_TEMP to make the name reflect the real meaning. 2000-03-04 22:30:44 +00:00
Martin Mares
b9626ec6ea Garbage collector events and counters are now per table and one day 
they can be made configurable if it turns out to be useful.
 2000-03-04 22:21:06 +00:00
Martin Mares
c7814f01fc Enabled short continuations. 2000-03-04 21:26:19 +00:00
Martin Mares
ee76a92a80 Implemented real attribute cache. 2000-03-04 21:09:14 +00:00
Martin Mares
c8518ae136 Removed RTF_EXTERIOR and RTF_TAGGED (unused). 2000-03-01 15:05:43 +00:00
Martin Mares
85053fce04 Reimplemented neighbor cache. Now uses real hashing. 2000-03-01 14:51:47 +00:00
Martin Mares
7293c5dd81 Added proto->hash_key which contains randomly generated hash key used 
for calculation of hash functions depending on proto.
 2000-03-01 14:49:07 +00:00
Martin Mares
4c1b4e1a58 If the user has specified identical preferences for instances of different 
protocols, break the tie by comparing addresses, so we keep the ordering
unambiguous.
 2000-03-01 11:48:11 +00:00
Martin Mares
6a636392d3 Rewrote interface type detection logic. The `unnumbered' flag is now per 
address, not per interface (hence it's ifa->flags & IA_UNNUMBERED) and
should be set reliably. IF_MULTIACCESS should be fixed now, but it isn't
wise to rely on it on interfaces configured with /30 prefix.
 2000-02-29 23:19:52 +00:00
Martin Mares
fae0396ea4 Completion works. Unfortunately, we have to access a couple of internal 
symbols of libreadline :-(
 2000-02-17 23:37:16 +00:00
Martin Mares
4b87e256eb Split off general commands to cmds.c. 
Added `show symbols' command which dumps whole symbol table together
with symbol types etc.
 2000-01-19 12:30:19 +00:00
Martin Mares
f5ad9f87a3 Killed a couple of bugs in the neighbor cache. 
Manual disable/enable/restart/shutdown/reconfiguration of protocols
no longer hangs on loops in neighbor lists :)
 2000-01-19 11:52:32 +00:00
Martin Mares
3ea1ba632b Killed protocol->priority. Protocol startup should be clean and hack-free now. 
It seems everything still works (except for disable/enable/restart which hangs
sometimes, but it's another story).
 2000-01-18 11:01:03 +00:00
Martin Mares
54aaa89ada protocol->startup_counter no longer exists. 2000-01-18 10:42:45 +00:00
Martin Mares
471cc0be65 Moved initlialization of protocol lists to global init. Argh. 2000-01-17 12:38:07 +00:00
Martin Mares
d272fe22dd Separated `official protocol names' used in status dumps from name templates 
used for automatic generation of instance names.

	protocol->name is the official name
	protocol->template is the name template (usually "name%d"),
		should be all lowercase.

Updated all protocols to define the templates, checked that their configuration
grammar includes proto_name which generates the name and interns it in the
symbol table.
 2000-01-17 11:52:50 +00:00
Martin Mares
88dc89f991 Device protocol supports reconfiguration. 2000-01-17 00:20:17 +00:00
Martin Mares
26368f656c Don't forget changing proto->name to point to name in new configuration 
(to avoid the name being freed with the old config).

Also remember to add proto_pipe to protocol_list.
 2000-01-17 00:19:58 +00:00
Martin Mares
f14a4becbe Reworked proto lists -- each proto is now in two lists: the global one 
(proto_list) and per-type one (original lists). A lot of things simplified.

Implemented `disable', `enable' and `restart' CLI commands.
 2000-01-16 23:30:06 +00:00
Martin Mares
30a6108ccc Added filter_same() for comparision of two filters. 
Pavel, please implement this as soon as possible.
 2000-01-16 17:49:32 +00:00
Martin Mares
bf8558bc9c Converted shutdown to a kind of reconfiguration, it's no more handled 
as a exception in protocol state machines. Introduced a `shutdown'
CLI command. Killed few reconfiguration bugs.
 2000-01-16 17:40:26 +00:00
Martin Mares
50fe90edf3 First attempt on dynamic reconfiguration. There are still lots of bugs 
and problems to solve, but the hardest part works.
 2000-01-16 16:44:50 +00:00
Martin Mares
394aec8fdd Don't forget to set proto->min_scope = SCOPE_HOST. 2000-01-16 16:40:57 +00:00
Martin Mares
476e108425 Minor cleanups. 1999-12-16 13:51:43 +00:00
Martin Mares
ccdc339756 Avoid touching F_MODIFY, it no longer exists. 1999-12-16 12:59:09 +00:00
Martin Mares
f545d38707 Added universal locking mechanism which will solve problems 
with protocols wanting to use the same port on the same interface
during reconfiguration time.

How to use locks: In the if_notify hook, just order locks for the
interfaces you want to work with and do the real socket opening after the
lock hook function gets called. When you stop using the socket, close
it and rfree() the lock.

Please update your protocols to use the new locking mechanism.
 1999-12-09 18:54:20 +00:00
Martin Mares
0da472d7e8 Except for special protocols (nowadays only the kernel syncer), don't 
export host and link scope routes.
 1999-12-08 14:16:13 +00:00
Martin Mares
7c0cc76ed7 Moved initialization of protocol list to proto.c. 
Added sysdep configuration hooks.
 1999-12-06 13:44:45 +00:00
Martin Mares
34350a5270 Implemented echoing of log messages to CLI connections. Just try `echo all'. 1999-12-06 12:34:45 +00:00
Martin Mares
f3792601df Don't forget to send an OK reply after dumping debug information. 1999-12-04 23:28:56 +00:00
Martin Mares
305a01f57b Added DEBUG commands. 
Removed CLI tests, real commands now serve as much better examples.
 1999-12-04 23:17:29 +00:00
Martin Mares
02c1fbddd4 Added proto_get_named() to be used in CLI commands to get protocol instance 
of a given protocol with optionally given name. See `show static' for an
example.
 1999-12-03 11:40:45 +00:00
Martin Mares
28e01f85c6 Renamed SHOW PROTOCOLS VERBOSE to SHOW PROTOCOLS ALL to be consistent 
with the other commands.
 1999-12-03 11:10:50 +00:00
Martin Mares
430da60fa2 Implemented `show route where <condition>' command. 
Pavel, please check my addition to filter/config.Y.
 1999-12-02 14:04:44 +00:00
Martin Mares
730f2e2c8c Added dumping of routing tables (`show route'). This includes filtering. 1999-12-01 15:10:21 +00:00
Martin Mares
04a60c689a Added get_route_info and show_route_data hooks to struct protocol. 
Please implement them.
 1999-12-01 15:08:32 +00:00
Martin Mares
f611f0ee82 Reset temporary parser data before parsing, not afterwards. This enables 
deferred CLI command handlers to store their temporary data in the CLI
parsing pool.
 1999-12-01 15:07:56 +00:00
Martin Mares
9685deb910 `show protocols' now shows time of last state change and protocol-dependent 
status information (obtained via newly introduced hook protocol->get_status).
 1999-12-01 12:00:15 +00:00
Martin Mares
5954dcfab7 Introduced new protocol-dependent integer field `aux' to struct neighbor. 1999-12-01 11:59:24 +00:00
Martin Mares
1d2664a4d4 Remember protocol instance in proto_config and use that for 
`show protocols <name>'.
 1999-11-30 14:04:09 +00:00
Martin Mares
f0474f2070 Use TIME_INFINITY for initialization of password entries instead 
of 2000000000 (BTW who wrote that???)
 1999-11-30 14:02:27 +00:00
Martin Mares
0d3e6bceee show interfaces' and show protocols' works. 1999-11-30 12:57:14 +00:00
Martin Mares
10b5baaef3 Don't use continuation shortcuts until real client is written. 1999-11-30 12:56:52 +00:00
Martin Mares
ae97b946e9 Added few basic commands: show status, show interfaces [summary], 
show protocols (incomplete).
 1999-11-25 15:35:30 +00:00