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Addition of OSPF-API - Amir Guindehi <nospam.amir@datacore.ch>
This commit is contained in:
paul
parent
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1
ospfclient/AUTHORS
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1
ospfclient/AUTHORS
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@ -0,0 +1 @@
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Ralph Keller <keller@tik.ee.ethz.ch>
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339
ospfclient/COPYING
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339
ospfclient/COPYING
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|
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@ -0,0 +1,339 @@
|
|||
GNU GENERAL PUBLIC LICENSE
|
||||
Version 2, June 1991
|
||||
|
||||
Copyright (C) 1989, 1991 Free Software Foundation, Inc.
|
||||
675 Mass Ave, Cambridge, MA 02139, USA
|
||||
Everyone is permitted to copy and distribute verbatim copies
|
||||
of this license document, but changing it is not allowed.
|
||||
|
||||
Preamble
|
||||
|
||||
The licenses for most software are designed to take away your
|
||||
freedom to share and change it. By contrast, the GNU General Public
|
||||
License is intended to guarantee your freedom to share and change free
|
||||
software--to make sure the software is free for all its users. This
|
||||
General Public License applies to most of the Free Software
|
||||
Foundation's software and to any other program whose authors commit to
|
||||
using it. (Some other Free Software Foundation software is covered by
|
||||
the GNU Library General Public License instead.) You can apply it to
|
||||
your programs, too.
|
||||
|
||||
When we speak of free software, we are referring to freedom, not
|
||||
price. Our General Public Licenses are designed to make sure that you
|
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have the freedom to distribute copies of free software (and charge for
|
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this service if you wish), that you receive source code or can get it
|
||||
if you want it, that you can change the software or use pieces of it
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in new free programs; and that you know you can do these things.
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To protect your rights, we need to make restrictions that forbid
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These restrictions translate to certain responsibilities for you if you
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For example, if you distribute copies of such a program, whether
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The precise terms and conditions for copying, distribution and
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||||
modification follow.
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|
||||
GNU GENERAL PUBLIC LICENSE
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||||
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
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|
||||
0. This License applies to any program or other work which contains
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Whether that is true depends on what the Program does.
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You are not responsible for enforcing compliance by third parties to
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infringement or for any other reason (not limited to patent issues),
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If any portion of this section is held invalid or unenforceable under
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apply and the section as a whole is intended to apply in other
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circumstances.
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It is not the purpose of this section to induce you to infringe any
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This section is intended to make thoroughly clear what is believed to
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||||
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||||
8. If the distribution and/or use of the Program is restricted in
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may add an explicit geographical distribution limitation excluding
|
||||
those countries, so that distribution is permitted only in or among
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||||
countries not thus excluded. In such case, this License incorporates
|
||||
the limitation as if written in the body of this License.
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||||
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||||
9. The Free Software Foundation may publish revised and/or new versions
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||||
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Each version is given a distinguishing version number. If the Program
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Software Foundation. If the Program does not specify a version number of
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|
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Foundation.
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||||
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||||
10. If you wish to incorporate parts of the Program into other free
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||||
NO WARRANTY
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||||
|
||||
11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
|
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FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
|
||||
OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
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PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
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OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE
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PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
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||||
12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
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WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
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REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
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INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
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OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
|
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TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
|
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YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
|
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PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
|
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POSSIBILITY OF SUCH DAMAGES.
|
||||
|
||||
END OF TERMS AND CONDITIONS
|
||||
|
||||
Appendix: How to Apply These Terms to Your New Programs
|
||||
|
||||
If you develop a new program, and you want it to be of the greatest
|
||||
possible use to the public, the best way to achieve this is to make it
|
||||
free software which everyone can redistribute and change under these terms.
|
||||
|
||||
To do so, attach the following notices to the program. It is safest
|
||||
to attach them to the start of each source file to most effectively
|
||||
convey the exclusion of warranty; and each file should have at least
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||||
the "copyright" line and a pointer to where the full notice is found.
|
||||
|
||||
<one line to give the program's name and a brief idea of what it does.>
|
||||
Copyright (C) 19yy <name of author>
|
||||
|
||||
This program is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 2 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program; if not, write to the Free Software
|
||||
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||
|
||||
Also add information on how to contact you by electronic and paper mail.
|
||||
|
||||
If the program is interactive, make it output a short notice like this
|
||||
when it starts in an interactive mode:
|
||||
|
||||
Gnomovision version 69, Copyright (C) 19yy name of author
|
||||
Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
|
||||
This is free software, and you are welcome to redistribute it
|
||||
under certain conditions; type `show c' for details.
|
||||
|
||||
The hypothetical commands `show w' and `show c' should show the appropriate
|
||||
parts of the General Public License. Of course, the commands you use may
|
||||
be called something other than `show w' and `show c'; they could even be
|
||||
mouse-clicks or menu items--whatever suits your program.
|
||||
|
||||
You should also get your employer (if you work as a programmer) or your
|
||||
school, if any, to sign a "copyright disclaimer" for the program, if
|
||||
necessary. Here is a sample; alter the names:
|
||||
|
||||
Yoyodyne, Inc., hereby disclaims all copyright interest in the program
|
||||
`Gnomovision' (which makes passes at compilers) written by James Hacker.
|
||||
|
||||
<signature of Ty Coon>, 1 April 1989
|
||||
Ty Coon, President of Vice
|
||||
|
||||
This General Public License does not permit incorporating your program into
|
||||
proprietary programs. If your program is a subroutine library, you may
|
||||
consider it more useful to permit linking proprietary applications with the
|
||||
library. If this is what you want to do, use the GNU Library General
|
||||
Public License instead of this License.
|
||||
57
ospfclient/ChangeLog
Normal file
57
ospfclient/ChangeLog
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2003-01-10 Ralph Keller <keller@tik.ee.ethz.ch>
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* New ChangeLog
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||||
|
||||
2003-01-08 Ralph Keller <keller@tik.ee.ethz.ch>
|
||||
* apiclient message passing bug resolved
|
||||
* (proposed by Masahiko)
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||||
|
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2002-10-09 Ralph Keller <keller@tik.ee.ethz.ch>
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||||
* Includes patch in OSPFd for ISM, NSM, neighbor
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||||
|
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2002-09-16 Ralph Keller <keller@tik.ee.ethz.ch>
|
||||
* Current patch vs. Zebra-0.93b
|
||||
|
||||
2002-08-22 Ralph Keller <keller@tik.ee.ethz.ch>
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||||
* Bugfix: LSA updates are now received only once even
|
||||
* if multiple opaque types are registered
|
||||
|
||||
2002-08-06 Ralph Keller <keller@tik.ee.ethz.ch>
|
||||
* Upgrade of OSPF API to Zebra-0.93a.
|
||||
|
||||
2002-06-13 Ralph Keller <keller@tik.ee.ethz.ch>
|
||||
* Opaque LSA origination bug fixed by Masahiko.
|
||||
* This code is based on 0.93-pre
|
||||
|
||||
2002-05-03 Ralph Keller <keller@tik.ee.ethz.ch>
|
||||
* Upgrade to newest Zebra from CVS repository. ospf_flood_through
|
||||
* function did not work after upgrade. Function
|
||||
* ospf_apiserver_flood_opaque_lsa added. Also byte order problem
|
||||
* with port numbers resolved.
|
||||
|
||||
2002-05-02 Ralph Keller <keller@tik.ee.ethz.ch>
|
||||
|
||||
* new autoconf and automake files, now called configure.in
|
||||
* instead of configure.ac
|
||||
|
||||
2002-04-24 Ralph Keller <keller@tik.ee.ethz.ch>
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||||
|
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* reverse channel now works (syncport and syncport+1)
|
||||
* ospf_apiclient.c: standard includes removed (not needed)
|
||||
* bzero replaced with memset
|
||||
|
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2002-04-18 Ralph Keller <keller@tik.ee.ethz.ch>
|
||||
|
||||
* 2-way phase connection setup
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||||
|
||||
2002-04-05 Ralph Keller <keller@tik.ee.ethz.ch>
|
||||
|
||||
* Changes incorporated as proposed by Masahiko
|
||||
|
||||
2002-04-05 Ralph Keller <keller@tik.ee.ethz.ch>
|
||||
|
||||
* autoconf and automake-style Makefile
|
||||
|
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2002-04-04 Ralph Keller <keller@tik.ee.ethz.ch>
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||||
|
||||
* 1st public release of OSPF API
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|
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182
ospfclient/INSTALL
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182
ospfclient/INSTALL
Normal file
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@ -0,0 +1,182 @@
|
|||
Basic Installation
|
||||
==================
|
||||
|
||||
These are generic installation instructions.
|
||||
|
||||
The `configure' shell script attempts to guess correct values for
|
||||
various system-dependent variables used during compilation. It uses
|
||||
those values to create a `Makefile' in each directory of the package.
|
||||
It may also create one or more `.h' files containing system-dependent
|
||||
definitions. Finally, it creates a shell script `config.status' that
|
||||
you can run in the future to recreate the current configuration, a file
|
||||
`config.cache' that saves the results of its tests to speed up
|
||||
reconfiguring, and a file `config.log' containing compiler output
|
||||
(useful mainly for debugging `configure').
|
||||
|
||||
If you need to do unusual things to compile the package, please try
|
||||
to figure out how `configure' could check whether to do them, and mail
|
||||
diffs or instructions to the address given in the `README' so they can
|
||||
be considered for the next release. If at some point `config.cache'
|
||||
contains results you don't want to keep, you may remove or edit it.
|
||||
|
||||
The file `configure.in' is used to create `configure' by a program
|
||||
called `autoconf'. You only need `configure.in' if you want to change
|
||||
it or regenerate `configure' using a newer version of `autoconf'.
|
||||
|
||||
The simplest way to compile this package is:
|
||||
|
||||
1. `cd' to the directory containing the package's source code and type
|
||||
`./configure' to configure the package for your system. If you're
|
||||
using `csh' on an old version of System V, you might need to type
|
||||
`sh ./configure' instead to prevent `csh' from trying to execute
|
||||
`configure' itself.
|
||||
|
||||
Running `configure' takes awhile. While running, it prints some
|
||||
messages telling which features it is checking for.
|
||||
|
||||
2. Type `make' to compile the package.
|
||||
|
||||
3. Optionally, type `make check' to run any self-tests that come with
|
||||
the package.
|
||||
|
||||
4. Type `make install' to install the programs and any data files and
|
||||
documentation.
|
||||
|
||||
5. You can remove the program binaries and object files from the
|
||||
source code directory by typing `make clean'. To also remove the
|
||||
files that `configure' created (so you can compile the package for
|
||||
a different kind of computer), type `make distclean'. There is
|
||||
also a `make maintainer-clean' target, but that is intended mainly
|
||||
for the package's developers. If you use it, you may have to get
|
||||
all sorts of other programs in order to regenerate files that came
|
||||
with the distribution.
|
||||
|
||||
Compilers and Options
|
||||
=====================
|
||||
|
||||
Some systems require unusual options for compilation or linking that
|
||||
the `configure' script does not know about. You can give `configure'
|
||||
initial values for variables by setting them in the environment. Using
|
||||
a Bourne-compatible shell, you can do that on the command line like
|
||||
this:
|
||||
CC=c89 CFLAGS=-O2 LIBS=-lposix ./configure
|
||||
|
||||
Or on systems that have the `env' program, you can do it like this:
|
||||
env CPPFLAGS=-I/usr/local/include LDFLAGS=-s ./configure
|
||||
|
||||
Compiling For Multiple Architectures
|
||||
====================================
|
||||
|
||||
You can compile the package for more than one kind of computer at the
|
||||
same time, by placing the object files for each architecture in their
|
||||
own directory. To do this, you must use a version of `make' that
|
||||
supports the `VPATH' variable, such as GNU `make'. `cd' to the
|
||||
directory where you want the object files and executables to go and run
|
||||
the `configure' script. `configure' automatically checks for the
|
||||
source code in the directory that `configure' is in and in `..'.
|
||||
|
||||
If you have to use a `make' that does not supports the `VPATH'
|
||||
variable, you have to compile the package for one architecture at a time
|
||||
in the source code directory. After you have installed the package for
|
||||
one architecture, use `make distclean' before reconfiguring for another
|
||||
architecture.
|
||||
|
||||
Installation Names
|
||||
==================
|
||||
|
||||
By default, `make install' will install the package's files in
|
||||
`/usr/local/bin', `/usr/local/man', etc. You can specify an
|
||||
installation prefix other than `/usr/local' by giving `configure' the
|
||||
option `--prefix=PATH'.
|
||||
|
||||
You can specify separate installation prefixes for
|
||||
architecture-specific files and architecture-independent files. If you
|
||||
give `configure' the option `--exec-prefix=PATH', the package will use
|
||||
PATH as the prefix for installing programs and libraries.
|
||||
Documentation and other data files will still use the regular prefix.
|
||||
|
||||
In addition, if you use an unusual directory layout you can give
|
||||
options like `--bindir=PATH' to specify different values for particular
|
||||
kinds of files. Run `configure --help' for a list of the directories
|
||||
you can set and what kinds of files go in them.
|
||||
|
||||
If the package supports it, you can cause programs to be installed
|
||||
with an extra prefix or suffix on their names by giving `configure' the
|
||||
option `--program-prefix=PREFIX' or `--program-suffix=SUFFIX'.
|
||||
|
||||
Optional Features
|
||||
=================
|
||||
|
||||
Some packages pay attention to `--enable-FEATURE' options to
|
||||
`configure', where FEATURE indicates an optional part of the package.
|
||||
They may also pay attention to `--with-PACKAGE' options, where PACKAGE
|
||||
is something like `gnu-as' or `x' (for the X Window System). The
|
||||
`README' should mention any `--enable-' and `--with-' options that the
|
||||
package recognizes.
|
||||
|
||||
For packages that use the X Window System, `configure' can usually
|
||||
find the X include and library files automatically, but if it doesn't,
|
||||
you can use the `configure' options `--x-includes=DIR' and
|
||||
`--x-libraries=DIR' to specify their locations.
|
||||
|
||||
Specifying the System Type
|
||||
==========================
|
||||
|
||||
There may be some features `configure' can not figure out
|
||||
automatically, but needs to determine by the type of host the package
|
||||
will run on. Usually `configure' can figure that out, but if it prints
|
||||
a message saying it can not guess the host type, give it the
|
||||
`--host=TYPE' option. TYPE can either be a short name for the system
|
||||
type, such as `sun4', or a canonical name with three fields:
|
||||
CPU-COMPANY-SYSTEM
|
||||
|
||||
See the file `config.sub' for the possible values of each field. If
|
||||
`config.sub' isn't included in this package, then this package doesn't
|
||||
need to know the host type.
|
||||
|
||||
If you are building compiler tools for cross-compiling, you can also
|
||||
use the `--target=TYPE' option to select the type of system they will
|
||||
produce code for and the `--build=TYPE' option to select the type of
|
||||
system on which you are compiling the package.
|
||||
|
||||
Sharing Defaults
|
||||
================
|
||||
|
||||
If you want to set default values for `configure' scripts to share,
|
||||
you can create a site shell script called `config.site' that gives
|
||||
default values for variables like `CC', `cache_file', and `prefix'.
|
||||
`configure' looks for `PREFIX/share/config.site' if it exists, then
|
||||
`PREFIX/etc/config.site' if it exists. Or, you can set the
|
||||
`CONFIG_SITE' environment variable to the location of the site script.
|
||||
A warning: not all `configure' scripts look for a site script.
|
||||
|
||||
Operation Controls
|
||||
==================
|
||||
|
||||
`configure' recognizes the following options to control how it
|
||||
operates.
|
||||
|
||||
`--cache-file=FILE'
|
||||
Use and save the results of the tests in FILE instead of
|
||||
`./config.cache'. Set FILE to `/dev/null' to disable caching, for
|
||||
debugging `configure'.
|
||||
|
||||
`--help'
|
||||
Print a summary of the options to `configure', and exit.
|
||||
|
||||
`--quiet'
|
||||
`--silent'
|
||||
`-q'
|
||||
Do not print messages saying which checks are being made. To
|
||||
suppress all normal output, redirect it to `/dev/null' (any error
|
||||
messages will still be shown).
|
||||
|
||||
`--srcdir=DIR'
|
||||
Look for the package's source code in directory DIR. Usually
|
||||
`configure' can determine that directory automatically.
|
||||
|
||||
`--version'
|
||||
Print the version of Autoconf used to generate the `configure'
|
||||
script, and exit.
|
||||
|
||||
`configure' also accepts some other, not widely useful, options.
|
||||
19
ospfclient/Makefile.am
Normal file
19
ospfclient/Makefile.am
Normal file
|
|
@ -0,0 +1,19 @@
|
|||
## Automake.am for OSPF API client
|
||||
|
||||
INCLUDES = -I../lib -I../
|
||||
|
||||
noinst_LIBRARIES = libospfapiclient.a
|
||||
sbin_PROGRAMS = ospfclient
|
||||
|
||||
libospfapiclient_a_SOURCES = \
|
||||
ospf_apiclient.c
|
||||
|
||||
noinst_HEADERS = \
|
||||
ospf_apiclient.h
|
||||
|
||||
ospfclient_SOURCES = \
|
||||
ospfclient.c $(libospfapiclient_a_SOURCES)
|
||||
|
||||
ospfclient_LDADD = ../ospfd/libospf.a ../lib/libzebra.a
|
||||
|
||||
|
||||
374
ospfclient/Makefile.in
Normal file
374
ospfclient/Makefile.in
Normal file
|
|
@ -0,0 +1,374 @@
|
|||
# Makefile.in generated automatically by automake 1.4-p5 from Makefile.am
|
||||
|
||||
# Copyright (C) 1994, 1995-8, 1999, 2001 Free Software Foundation, Inc.
|
||||
# This Makefile.in is free software; the Free Software Foundation
|
||||
# gives unlimited permission to copy and/or distribute it,
|
||||
# with or without modifications, as long as this notice is preserved.
|
||||
|
||||
# This program is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
|
||||
# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
|
||||
# PARTICULAR PURPOSE.
|
||||
|
||||
|
||||
SHELL = @SHELL@
|
||||
|
||||
srcdir = @srcdir@
|
||||
top_srcdir = @top_srcdir@
|
||||
VPATH = @srcdir@
|
||||
prefix = @prefix@
|
||||
exec_prefix = @exec_prefix@
|
||||
|
||||
bindir = @bindir@
|
||||
sbindir = @sbindir@
|
||||
libexecdir = @libexecdir@
|
||||
datadir = @datadir@
|
||||
sysconfdir = @sysconfdir@
|
||||
sharedstatedir = @sharedstatedir@
|
||||
localstatedir = @localstatedir@
|
||||
libdir = @libdir@
|
||||
infodir = @infodir@
|
||||
mandir = @mandir@
|
||||
includedir = @includedir@
|
||||
oldincludedir = /usr/include
|
||||
|
||||
DESTDIR =
|
||||
|
||||
pkgdatadir = $(datadir)/@PACKAGE@
|
||||
pkglibdir = $(libdir)/@PACKAGE@
|
||||
pkgincludedir = $(includedir)/@PACKAGE@
|
||||
|
||||
top_builddir = ..
|
||||
|
||||
ACLOCAL = @ACLOCAL@
|
||||
AUTOCONF = @AUTOCONF@
|
||||
AUTOMAKE = @AUTOMAKE@
|
||||
AUTOHEADER = @AUTOHEADER@
|
||||
|
||||
INSTALL = @INSTALL@
|
||||
INSTALL_PROGRAM = @INSTALL_PROGRAM@ $(AM_INSTALL_PROGRAM_FLAGS)
|
||||
INSTALL_DATA = @INSTALL_DATA@
|
||||
INSTALL_SCRIPT = @INSTALL_SCRIPT@
|
||||
transform = @program_transform_name@
|
||||
|
||||
NORMAL_INSTALL = :
|
||||
PRE_INSTALL = :
|
||||
POST_INSTALL = :
|
||||
NORMAL_UNINSTALL = :
|
||||
PRE_UNINSTALL = :
|
||||
POST_UNINSTALL = :
|
||||
host_alias = @host_alias@
|
||||
host_triplet = @host@
|
||||
AR = @AR@
|
||||
BGPD = @BGPD@
|
||||
CC = @CC@
|
||||
CPP = @CPP@
|
||||
CURSES = @CURSES@
|
||||
IF_METHOD = @IF_METHOD@
|
||||
IF_PROC = @IF_PROC@
|
||||
IPFORWARD = @IPFORWARD@
|
||||
KERNEL_METHOD = @KERNEL_METHOD@
|
||||
LIBPAM = @LIBPAM@
|
||||
LIB_IPV6 = @LIB_IPV6@
|
||||
LIB_REGEX = @LIB_REGEX@
|
||||
MAKEINFO = @MAKEINFO@
|
||||
MULTIPATH_NUM = @MULTIPATH_NUM@
|
||||
OSPF6D = @OSPF6D@
|
||||
OSPFCLIENT = @OSPFCLIENT@
|
||||
OSPFD = @OSPFD@
|
||||
OTHER_METHOD = @OTHER_METHOD@
|
||||
PACKAGE = @PACKAGE@
|
||||
RANLIB = @RANLIB@
|
||||
RIPD = @RIPD@
|
||||
RIPNGD = @RIPNGD@
|
||||
RTREAD_METHOD = @RTREAD_METHOD@
|
||||
RT_METHOD = @RT_METHOD@
|
||||
VERSION = @VERSION@
|
||||
VTYSH = @VTYSH@
|
||||
ZEBRA = @ZEBRA@
|
||||
|
||||
INCLUDES = -I../lib -I../
|
||||
|
||||
noinst_LIBRARIES = libospfapiclient.a
|
||||
sbin_PROGRAMS = ospfclient
|
||||
|
||||
libospfapiclient_a_SOURCES = \
|
||||
ospf_apiclient.c
|
||||
|
||||
|
||||
noinst_HEADERS = \
|
||||
ospf_apiclient.h
|
||||
|
||||
|
||||
ospfclient_SOURCES = \
|
||||
ospfclient.c $(libospfapiclient_a_SOURCES)
|
||||
|
||||
|
||||
ospfclient_LDADD = ../ospfd/libospf.a ../lib/libzebra.a
|
||||
mkinstalldirs = $(SHELL) $(top_srcdir)/mkinstalldirs
|
||||
CONFIG_HEADER = ../config.h
|
||||
CONFIG_CLEAN_FILES =
|
||||
LIBRARIES = $(noinst_LIBRARIES)
|
||||
|
||||
|
||||
DEFS = @DEFS@ -I. -I$(srcdir) -I..
|
||||
CPPFLAGS = @CPPFLAGS@
|
||||
LDFLAGS = @LDFLAGS@
|
||||
LIBS = @LIBS@
|
||||
libospfapiclient_a_LIBADD =
|
||||
libospfapiclient_a_OBJECTS = ospf_apiclient.o
|
||||
PROGRAMS = $(sbin_PROGRAMS)
|
||||
|
||||
ospfclient_OBJECTS = ospfclient.o ospf_apiclient.o
|
||||
ospfclient_DEPENDENCIES = ../ospfd/libospf.a ../lib/libzebra.a
|
||||
ospfclient_LDFLAGS =
|
||||
CFLAGS = @CFLAGS@
|
||||
COMPILE = $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
|
||||
CCLD = $(CC)
|
||||
LINK = $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@
|
||||
HEADERS = $(noinst_HEADERS)
|
||||
|
||||
DIST_COMMON = README AUTHORS COPYING ChangeLog INSTALL Makefile.am \
|
||||
Makefile.in NEWS
|
||||
|
||||
|
||||
DISTFILES = $(DIST_COMMON) $(SOURCES) $(HEADERS) $(TEXINFOS) $(EXTRA_DIST)
|
||||
|
||||
TAR = gtar
|
||||
GZIP_ENV = --best
|
||||
DEP_FILES = .deps/ospf_apiclient.P .deps/ospfclient.P
|
||||
SOURCES = $(libospfapiclient_a_SOURCES) $(ospfclient_SOURCES)
|
||||
OBJECTS = $(libospfapiclient_a_OBJECTS) $(ospfclient_OBJECTS)
|
||||
|
||||
all: all-redirect
|
||||
.SUFFIXES:
|
||||
.SUFFIXES: .S .c .o .s
|
||||
$(srcdir)/Makefile.in: Makefile.am $(top_srcdir)/configure.in $(ACLOCAL_M4)
|
||||
cd $(top_srcdir) && $(AUTOMAKE) --foreign ospfclient/Makefile
|
||||
|
||||
Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status $(BUILT_SOURCES)
|
||||
cd $(top_builddir) \
|
||||
&& CONFIG_FILES=$(subdir)/$@ CONFIG_HEADERS= $(SHELL) ./config.status
|
||||
|
||||
|
||||
mostlyclean-noinstLIBRARIES:
|
||||
|
||||
clean-noinstLIBRARIES:
|
||||
-test -z "$(noinst_LIBRARIES)" || rm -f $(noinst_LIBRARIES)
|
||||
|
||||
distclean-noinstLIBRARIES:
|
||||
|
||||
maintainer-clean-noinstLIBRARIES:
|
||||
|
||||
.s.o:
|
||||
$(COMPILE) -c $<
|
||||
|
||||
.S.o:
|
||||
$(COMPILE) -c $<
|
||||
|
||||
mostlyclean-compile:
|
||||
-rm -f *.o core *.core
|
||||
|
||||
clean-compile:
|
||||
|
||||
distclean-compile:
|
||||
-rm -f *.tab.c
|
||||
|
||||
maintainer-clean-compile:
|
||||
|
||||
libospfapiclient.a: $(libospfapiclient_a_OBJECTS) $(libospfapiclient_a_DEPENDENCIES)
|
||||
-rm -f libospfapiclient.a
|
||||
$(AR) cru libospfapiclient.a $(libospfapiclient_a_OBJECTS) $(libospfapiclient_a_LIBADD)
|
||||
$(RANLIB) libospfapiclient.a
|
||||
|
||||
mostlyclean-sbinPROGRAMS:
|
||||
|
||||
clean-sbinPROGRAMS:
|
||||
-test -z "$(sbin_PROGRAMS)" || rm -f $(sbin_PROGRAMS)
|
||||
|
||||
distclean-sbinPROGRAMS:
|
||||
|
||||
maintainer-clean-sbinPROGRAMS:
|
||||
|
||||
install-sbinPROGRAMS: $(sbin_PROGRAMS)
|
||||
@$(NORMAL_INSTALL)
|
||||
$(mkinstalldirs) $(DESTDIR)$(sbindir)
|
||||
@list='$(sbin_PROGRAMS)'; for p in $$list; do \
|
||||
if test -f $$p; then \
|
||||
echo " $(INSTALL_PROGRAM) $$p $(DESTDIR)$(sbindir)/`echo $$p|sed 's/$(EXEEXT)$$//'|sed '$(transform)'|sed 's/$$/$(EXEEXT)/'`"; \
|
||||
$(INSTALL_PROGRAM) $$p $(DESTDIR)$(sbindir)/`echo $$p|sed 's/$(EXEEXT)$$//'|sed '$(transform)'|sed 's/$$/$(EXEEXT)/'`; \
|
||||
else :; fi; \
|
||||
done
|
||||
|
||||
uninstall-sbinPROGRAMS:
|
||||
@$(NORMAL_UNINSTALL)
|
||||
list='$(sbin_PROGRAMS)'; for p in $$list; do \
|
||||
rm -f $(DESTDIR)$(sbindir)/`echo $$p|sed 's/$(EXEEXT)$$//'|sed '$(transform)'|sed 's/$$/$(EXEEXT)/'`; \
|
||||
done
|
||||
|
||||
ospfclient: $(ospfclient_OBJECTS) $(ospfclient_DEPENDENCIES)
|
||||
@rm -f ospfclient
|
||||
$(LINK) $(ospfclient_LDFLAGS) $(ospfclient_OBJECTS) $(ospfclient_LDADD) $(LIBS)
|
||||
|
||||
tags: TAGS
|
||||
|
||||
ID: $(HEADERS) $(SOURCES) $(LISP)
|
||||
list='$(SOURCES) $(HEADERS)'; \
|
||||
unique=`for i in $$list; do echo $$i; done | \
|
||||
awk ' { files[$$0] = 1; } \
|
||||
END { for (i in files) print i; }'`; \
|
||||
here=`pwd` && cd $(srcdir) \
|
||||
&& mkid -f$$here/ID $$unique $(LISP)
|
||||
|
||||
TAGS: $(HEADERS) $(SOURCES) $(TAGS_DEPENDENCIES) $(LISP)
|
||||
tags=; \
|
||||
here=`pwd`; \
|
||||
list='$(SOURCES) $(HEADERS)'; \
|
||||
unique=`for i in $$list; do echo $$i; done | \
|
||||
awk ' { files[$$0] = 1; } \
|
||||
END { for (i in files) print i; }'`; \
|
||||
test -z "$(ETAGS_ARGS)$$unique$(LISP)$$tags" \
|
||||
|| (cd $(srcdir) && etags $(ETAGS_ARGS) $$tags $$unique $(LISP) -o $$here/TAGS)
|
||||
|
||||
mostlyclean-tags:
|
||||
|
||||
clean-tags:
|
||||
|
||||
distclean-tags:
|
||||
-rm -f TAGS ID
|
||||
|
||||
maintainer-clean-tags:
|
||||
|
||||
distdir = $(top_builddir)/$(PACKAGE)-$(VERSION)/$(subdir)
|
||||
|
||||
subdir = ospfclient
|
||||
|
||||
distdir: $(DISTFILES)
|
||||
here=`cd $(top_builddir) && pwd`; \
|
||||
top_distdir=`cd $(top_distdir) && pwd`; \
|
||||
distdir=`cd $(distdir) && pwd`; \
|
||||
cd $(top_srcdir) \
|
||||
&& $(AUTOMAKE) --include-deps --build-dir=$$here --srcdir-name=$(top_srcdir) --output-dir=$$top_distdir --foreign ospfclient/Makefile
|
||||
@for file in $(DISTFILES); do \
|
||||
d=$(srcdir); \
|
||||
if test -d $$d/$$file; then \
|
||||
cp -pr $$d/$$file $(distdir)/$$file; \
|
||||
else \
|
||||
test -f $(distdir)/$$file \
|
||||
|| ln $$d/$$file $(distdir)/$$file 2> /dev/null \
|
||||
|| cp -p $$d/$$file $(distdir)/$$file || :; \
|
||||
fi; \
|
||||
done
|
||||
|
||||
DEPS_MAGIC := $(shell mkdir .deps > /dev/null 2>&1 || :)
|
||||
|
||||
-include $(DEP_FILES)
|
||||
|
||||
mostlyclean-depend:
|
||||
|
||||
clean-depend:
|
||||
|
||||
distclean-depend:
|
||||
-rm -rf .deps
|
||||
|
||||
maintainer-clean-depend:
|
||||
|
||||
%.o: %.c
|
||||
@echo '$(COMPILE) -c $<'; \
|
||||
$(COMPILE) -Wp,-MD,.deps/$(*F).pp -c $<
|
||||
@-cp .deps/$(*F).pp .deps/$(*F).P; \
|
||||
tr ' ' '\012' < .deps/$(*F).pp \
|
||||
| sed -e 's/^\\$$//' -e '/^$$/ d' -e '/:$$/ d' -e 's/$$/ :/' \
|
||||
>> .deps/$(*F).P; \
|
||||
rm .deps/$(*F).pp
|
||||
|
||||
%.lo: %.c
|
||||
@echo '$(LTCOMPILE) -c $<'; \
|
||||
$(LTCOMPILE) -Wp,-MD,.deps/$(*F).pp -c $<
|
||||
@-sed -e 's/^\([^:]*\)\.o[ ]*:/\1.lo \1.o :/' \
|
||||
< .deps/$(*F).pp > .deps/$(*F).P; \
|
||||
tr ' ' '\012' < .deps/$(*F).pp \
|
||||
| sed -e 's/^\\$$//' -e '/^$$/ d' -e '/:$$/ d' -e 's/$$/ :/' \
|
||||
>> .deps/$(*F).P; \
|
||||
rm -f .deps/$(*F).pp
|
||||
info-am:
|
||||
info: info-am
|
||||
dvi-am:
|
||||
dvi: dvi-am
|
||||
check-am: all-am
|
||||
check: check-am
|
||||
installcheck-am:
|
||||
installcheck: installcheck-am
|
||||
install-exec-am: install-sbinPROGRAMS
|
||||
install-exec: install-exec-am
|
||||
|
||||
install-data-am:
|
||||
install-data: install-data-am
|
||||
|
||||
install-am: all-am
|
||||
@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
|
||||
install: install-am
|
||||
uninstall-am: uninstall-sbinPROGRAMS
|
||||
uninstall: uninstall-am
|
||||
all-am: Makefile $(LIBRARIES) $(PROGRAMS) $(HEADERS)
|
||||
all-redirect: all-am
|
||||
install-strip:
|
||||
$(MAKE) $(AM_MAKEFLAGS) AM_INSTALL_PROGRAM_FLAGS=-s install
|
||||
installdirs:
|
||||
$(mkinstalldirs) $(DESTDIR)$(sbindir)
|
||||
|
||||
|
||||
mostlyclean-generic:
|
||||
|
||||
clean-generic:
|
||||
|
||||
distclean-generic:
|
||||
-rm -f Makefile $(CONFIG_CLEAN_FILES)
|
||||
-rm -f config.cache config.log stamp-h stamp-h[0-9]*
|
||||
|
||||
maintainer-clean-generic:
|
||||
mostlyclean-am: mostlyclean-noinstLIBRARIES mostlyclean-compile \
|
||||
mostlyclean-sbinPROGRAMS mostlyclean-tags \
|
||||
mostlyclean-depend mostlyclean-generic
|
||||
|
||||
mostlyclean: mostlyclean-am
|
||||
|
||||
clean-am: clean-noinstLIBRARIES clean-compile clean-sbinPROGRAMS \
|
||||
clean-tags clean-depend clean-generic mostlyclean-am
|
||||
|
||||
clean: clean-am
|
||||
|
||||
distclean-am: distclean-noinstLIBRARIES distclean-compile \
|
||||
distclean-sbinPROGRAMS distclean-tags distclean-depend \
|
||||
distclean-generic clean-am
|
||||
|
||||
distclean: distclean-am
|
||||
|
||||
maintainer-clean-am: maintainer-clean-noinstLIBRARIES \
|
||||
maintainer-clean-compile maintainer-clean-sbinPROGRAMS \
|
||||
maintainer-clean-tags maintainer-clean-depend \
|
||||
maintainer-clean-generic distclean-am
|
||||
@echo "This command is intended for maintainers to use;"
|
||||
@echo "it deletes files that may require special tools to rebuild."
|
||||
|
||||
maintainer-clean: maintainer-clean-am
|
||||
|
||||
.PHONY: mostlyclean-noinstLIBRARIES distclean-noinstLIBRARIES \
|
||||
clean-noinstLIBRARIES maintainer-clean-noinstLIBRARIES \
|
||||
mostlyclean-compile distclean-compile clean-compile \
|
||||
maintainer-clean-compile mostlyclean-sbinPROGRAMS \
|
||||
distclean-sbinPROGRAMS clean-sbinPROGRAMS maintainer-clean-sbinPROGRAMS \
|
||||
uninstall-sbinPROGRAMS install-sbinPROGRAMS tags mostlyclean-tags \
|
||||
distclean-tags clean-tags maintainer-clean-tags distdir \
|
||||
mostlyclean-depend distclean-depend clean-depend \
|
||||
maintainer-clean-depend info-am info dvi-am dvi check check-am \
|
||||
installcheck-am installcheck install-exec-am install-exec \
|
||||
install-data-am install-data install-am install uninstall-am uninstall \
|
||||
all-redirect all-am all installdirs mostlyclean-generic \
|
||||
distclean-generic clean-generic maintainer-clean-generic clean \
|
||||
mostlyclean distclean maintainer-clean
|
||||
|
||||
|
||||
# Tell versions [3.59,3.63) of GNU make to not export all variables.
|
||||
# Otherwise a system limit (for SysV at least) may be exceeded.
|
||||
.NOEXPORT:
|
||||
1
ospfclient/NEWS
Normal file
1
ospfclient/NEWS
Normal file
|
|
@ -0,0 +1 @@
|
|||
This file contains news.
|
||||
4
ospfclient/README
Normal file
4
ospfclient/README
Normal file
|
|
@ -0,0 +1,4 @@
|
|||
For more information about this software check out:
|
||||
|
||||
http://www.tik.ee.ethz.ch/~keller/ospfapi/
|
||||
|
||||
747
ospfclient/ospf_apiclient.c
Normal file
747
ospfclient/ospf_apiclient.c
Normal file
|
|
@ -0,0 +1,747 @@
|
|||
/*
|
||||
* Client side of OSPF API.
|
||||
* Copyright (C) 2001, 2002, 2003 Ralph Keller
|
||||
*
|
||||
* This file is part of GNU Zebra.
|
||||
*
|
||||
* GNU Zebra is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published
|
||||
* by the Free Software Foundation; either version 2, or (at your
|
||||
* option) any later version.
|
||||
*
|
||||
* GNU Zebra is distributed in the hope that it will be useful, but
|
||||
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with GNU Zebra; see the file COPYING. If not, write to the
|
||||
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||||
* Boston, MA 02111-1307, USA.
|
||||
*/
|
||||
|
||||
#include <zebra.h>
|
||||
|
||||
#include "version.h"
|
||||
#include "getopt.h"
|
||||
#include "thread.h"
|
||||
#include "prefix.h"
|
||||
#include "linklist.h"
|
||||
#include "if.h"
|
||||
#include "vector.h"
|
||||
#include "vty.h"
|
||||
#include "command.h"
|
||||
#include "filter.h"
|
||||
#include "stream.h"
|
||||
#include "log.h"
|
||||
#include "memory.h"
|
||||
|
||||
#include "ospfd/ospfd.h"
|
||||
#include "ospfd/ospf_interface.h"
|
||||
#include "ospfd/ospf_asbr.h"
|
||||
#include "ospfd/ospf_lsa.h"
|
||||
#include "ospfd/ospf_opaque.h"
|
||||
#include "ospfd/ospf_lsdb.h"
|
||||
#include "ospfd/ospf_neighbor.h"
|
||||
#include "ospfd/ospf_dump.h"
|
||||
#include "ospfd/ospf_zebra.h"
|
||||
#include "ospfd/ospf_api.h"
|
||||
|
||||
#include "ospf_apiclient.h"
|
||||
|
||||
/* Backlog for listen */
|
||||
#define BACKLOG 5
|
||||
|
||||
/* -----------------------------------------------------------
|
||||
* Forward declarations
|
||||
* -----------------------------------------------------------
|
||||
*/
|
||||
|
||||
void ospf_apiclient_handle_reply (struct ospf_apiclient *oclient,
|
||||
struct msg *msg);
|
||||
void ospf_apiclient_handle_update_notify (struct ospf_apiclient *oclient,
|
||||
struct msg *msg);
|
||||
void ospf_apiclient_handle_delete_notify (struct ospf_apiclient *oclient,
|
||||
struct msg *msg);
|
||||
|
||||
/* -----------------------------------------------------------
|
||||
* Initialization
|
||||
* -----------------------------------------------------------
|
||||
*/
|
||||
|
||||
unsigned short
|
||||
ospf_apiclient_getport (void)
|
||||
{
|
||||
struct servent *sp = getservbyname ("ospfapi", "tcp");
|
||||
|
||||
return sp ? ntohs (sp->s_port) : OSPF_API_SYNC_PORT;
|
||||
}
|
||||
|
||||
/* -----------------------------------------------------------
|
||||
* Followings are functions for connection management
|
||||
* -----------------------------------------------------------
|
||||
*/
|
||||
|
||||
struct ospf_apiclient *
|
||||
ospf_apiclient_connect (char *host, int syncport)
|
||||
{
|
||||
struct sockaddr_in myaddr_sync;
|
||||
struct sockaddr_in myaddr_async;
|
||||
struct sockaddr_in peeraddr;
|
||||
struct hostent *hp;
|
||||
struct ospf_apiclient *new;
|
||||
int size = 0;
|
||||
int peeraddrlen;
|
||||
int async_server_sock;
|
||||
int fd1, fd2;
|
||||
int ret;
|
||||
int on = 1;
|
||||
|
||||
/* There are two connections between the client and the server.
|
||||
First the client opens a connection for synchronous requests/replies
|
||||
to the server. The server will accept this connection and
|
||||
as a reaction open a reverse connection channel for
|
||||
asynchronous messages. */
|
||||
|
||||
async_server_sock = socket (AF_INET, SOCK_STREAM, 0);
|
||||
if (async_server_sock < 0)
|
||||
{
|
||||
fprintf (stderr,
|
||||
"ospf_apiclient_connect: creating async socket failed\n");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/* Prepare socket for asynchronous messages */
|
||||
/* Initialize async address structure */
|
||||
memset (&myaddr_async, 0, sizeof (struct sockaddr_in));
|
||||
myaddr_async.sin_family = AF_INET;
|
||||
myaddr_async.sin_addr.s_addr = htonl (INADDR_ANY);
|
||||
myaddr_async.sin_port = htons (syncport+1);
|
||||
size = sizeof (struct sockaddr_in);
|
||||
#ifdef HAVE_SIN_LEN
|
||||
myaddr_async.sin_len = size;
|
||||
#endif /* HAVE_SIN_LEN */
|
||||
|
||||
/* This is a server socket, reuse addr and port */
|
||||
ret = setsockopt (async_server_sock, SOL_SOCKET,
|
||||
SO_REUSEADDR, (void *) &on, sizeof (on));
|
||||
if (ret < 0)
|
||||
{
|
||||
fprintf (stderr, "ospf_apiclient_connect: SO_REUSEADDR failed\n");
|
||||
close (async_server_sock);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
#ifdef SO_REUSEPORT
|
||||
ret = setsockopt (async_server_sock, SOL_SOCKET, SO_REUSEPORT,
|
||||
(void *) &on, sizeof (on));
|
||||
if (ret < 0)
|
||||
{
|
||||
fprintf (stderr, "ospf_apiclient_connect: SO_REUSEPORT failed\n");
|
||||
close (async_server_sock);
|
||||
return NULL;
|
||||
}
|
||||
#endif /* SO_REUSEPORT */
|
||||
|
||||
/* Bind socket to address structure */
|
||||
ret = bind (async_server_sock, (struct sockaddr *) &myaddr_async, size);
|
||||
if (ret < 0)
|
||||
{
|
||||
fprintf (stderr, "ospf_apiclient_connect: bind async socket failed\n");
|
||||
close (async_server_sock);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/* Wait for reverse channel connection establishment from server */
|
||||
ret = listen (async_server_sock, BACKLOG);
|
||||
if (ret < 0)
|
||||
{
|
||||
fprintf (stderr, "ospf_apiclient_connect: listen: %s\n", strerror (errno));
|
||||
close (async_server_sock);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/* Make connection for synchronous requests and connect to server */
|
||||
/* Resolve address of server */
|
||||
hp = gethostbyname (host);
|
||||
if (!hp)
|
||||
{
|
||||
fprintf (stderr, "ospf_apiclient_connect: no such host %s\n", host);
|
||||
close (async_server_sock);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
fd1 = socket (AF_INET, SOCK_STREAM, 0);
|
||||
if (fd1 < 0)
|
||||
{
|
||||
fprintf (stderr,
|
||||
"ospf_apiclient_connect: creating sync socket failed\n");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
|
||||
/* Reuse addr and port */
|
||||
ret = setsockopt (fd1, SOL_SOCKET,
|
||||
SO_REUSEADDR, (void *) &on, sizeof (on));
|
||||
if (ret < 0)
|
||||
{
|
||||
fprintf (stderr, "ospf_apiclient_connect: SO_REUSEADDR failed\n");
|
||||
close (fd1);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
#ifdef SO_REUSEPORT
|
||||
ret = setsockopt (fd1, SOL_SOCKET, SO_REUSEPORT,
|
||||
(void *) &on, sizeof (on));
|
||||
if (ret < 0)
|
||||
{
|
||||
fprintf (stderr, "ospf_apiclient_connect: SO_REUSEPORT failed\n");
|
||||
close (fd1);
|
||||
return NULL;
|
||||
}
|
||||
#endif /* SO_REUSEPORT */
|
||||
|
||||
|
||||
/* Bind sync socket to address structure. This is needed since we
|
||||
want the sync port number on a fixed port number. The reverse
|
||||
async channel will be at this port+1 */
|
||||
|
||||
memset (&myaddr_sync, 0, sizeof (struct sockaddr_in));
|
||||
myaddr_sync.sin_family = AF_INET;
|
||||
myaddr_sync.sin_port = htons (syncport);
|
||||
#ifdef HAVE_SIN_LEN
|
||||
myaddr_sync.sin_len = sizeof (struct sockaddr_in);
|
||||
#endif /* HAVE_SIN_LEN */
|
||||
|
||||
ret = bind (fd1, (struct sockaddr *) &myaddr_sync, size);
|
||||
if (ret < 0)
|
||||
{
|
||||
fprintf (stderr, "ospf_apiclient_connect: bind sync socket failed\n");
|
||||
close (fd1);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/* Prepare address structure for connect */
|
||||
memcpy (&myaddr_sync.sin_addr, hp->h_addr, hp->h_length);
|
||||
myaddr_sync.sin_family = AF_INET;
|
||||
myaddr_sync.sin_port = htons(ospf_apiclient_getport ());
|
||||
#ifdef HAVE_SIN_LEN
|
||||
myaddr_sync.sin_len = sizeof (struct sockaddr_in);
|
||||
#endif /* HAVE_SIN_LEN */
|
||||
|
||||
/* Now establish synchronous channel with OSPF daemon */
|
||||
ret = connect (fd1, (struct sockaddr *) &myaddr_sync,
|
||||
sizeof (struct sockaddr_in));
|
||||
if (ret < 0)
|
||||
{
|
||||
fprintf (stderr, "ospf_apiclient_connect: sync connect failed\n");
|
||||
close (async_server_sock);
|
||||
close (fd1);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/* Accept reverse connection */
|
||||
peeraddrlen = sizeof (struct sockaddr_in);
|
||||
memset (&peeraddr, 0, peeraddrlen);
|
||||
|
||||
fd2 =
|
||||
accept (async_server_sock, (struct sockaddr *) &peeraddr, &peeraddrlen);
|
||||
if (fd2 < 0)
|
||||
{
|
||||
fprintf (stderr, "ospf_apiclient_connect: accept async failed\n");
|
||||
close (async_server_sock);
|
||||
close (fd1);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/* Server socket is not needed anymore since we are not accepting more
|
||||
connections */
|
||||
close (async_server_sock);
|
||||
|
||||
/* Create new client-side instance */
|
||||
new = XMALLOC (MTYPE_OSPF_APICLIENT, sizeof (struct ospf_apiclient));
|
||||
memset (new, 0, sizeof (struct ospf_apiclient));
|
||||
|
||||
/* Initialize socket descriptors for sync and async channels */
|
||||
new->fd_sync = fd1;
|
||||
new->fd_async = fd2;
|
||||
|
||||
return new;
|
||||
}
|
||||
|
||||
int
|
||||
ospf_apiclient_close (struct ospf_apiclient *oclient)
|
||||
{
|
||||
|
||||
if (oclient->fd_sync >= 0)
|
||||
{
|
||||
close (oclient->fd_sync);
|
||||
}
|
||||
|
||||
if (oclient->fd_async >= 0)
|
||||
{
|
||||
close (oclient->fd_async);
|
||||
}
|
||||
|
||||
/* Free client structure */
|
||||
XFREE (MTYPE_OSPF_APICLIENT, oclient);
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* -----------------------------------------------------------
|
||||
* Followings are functions to send a request to OSPFd
|
||||
* -----------------------------------------------------------
|
||||
*/
|
||||
|
||||
/* Send synchronous request, wait for reply */
|
||||
int
|
||||
ospf_apiclient_send_request (struct ospf_apiclient *oclient, struct msg *msg)
|
||||
{
|
||||
u_int32_t reqseq;
|
||||
struct msg_reply *msgreply;
|
||||
int rc;
|
||||
|
||||
/* NB: Given "msg" is freed inside this function. */
|
||||
|
||||
/* Remember the sequence number of the request */
|
||||
reqseq = ntohl (msg->hdr.msgseq);
|
||||
|
||||
/* Write message to OSPFd */
|
||||
rc = msg_write (oclient->fd_sync, msg);
|
||||
msg_free (msg);
|
||||
|
||||
if (rc < 0)
|
||||
{
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* Wait for reply *//* NB: New "msg" is allocated by "msg_read()". */
|
||||
msg = msg_read (oclient->fd_sync);
|
||||
if (!msg)
|
||||
return -1;
|
||||
|
||||
assert (msg->hdr.msgtype == MSG_REPLY);
|
||||
assert (ntohl (msg->hdr.msgseq) == reqseq);
|
||||
|
||||
msgreply = (struct msg_reply *) STREAM_DATA (msg->s);
|
||||
rc = msgreply->errcode;
|
||||
msg_free (msg);
|
||||
|
||||
return rc;
|
||||
}
|
||||
|
||||
|
||||
/* -----------------------------------------------------------
|
||||
* Helper functions
|
||||
* -----------------------------------------------------------
|
||||
*/
|
||||
|
||||
static u_int32_t
|
||||
ospf_apiclient_get_seqnr (void)
|
||||
{
|
||||
static u_int32_t seqnr = MIN_SEQ;
|
||||
u_int32_t tmp;
|
||||
|
||||
tmp = seqnr;
|
||||
/* Increment sequence number */
|
||||
if (seqnr < MAX_SEQ)
|
||||
{
|
||||
seqnr++;
|
||||
}
|
||||
else
|
||||
{
|
||||
seqnr = MIN_SEQ;
|
||||
}
|
||||
return tmp;
|
||||
}
|
||||
|
||||
/* -----------------------------------------------------------
|
||||
* API to access OSPF daemon by client applications.
|
||||
* -----------------------------------------------------------
|
||||
*/
|
||||
|
||||
/*
|
||||
* Synchronous request to register opaque type.
|
||||
*/
|
||||
int
|
||||
ospf_apiclient_register_opaque_type (struct ospf_apiclient *cl,
|
||||
u_char ltype, u_char otype)
|
||||
{
|
||||
struct msg *msg;
|
||||
int rc;
|
||||
|
||||
/* just put 1 as a sequence number. */
|
||||
msg = new_msg_register_opaque_type (ospf_apiclient_get_seqnr (),
|
||||
ltype, otype);
|
||||
if (!msg)
|
||||
{
|
||||
fprintf (stderr, "new_msg_register_opaque_type failed\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
rc = ospf_apiclient_send_request (cl, msg);
|
||||
return rc;
|
||||
}
|
||||
|
||||
/*
|
||||
* Synchronous request to synchronize with OSPF's LSDB.
|
||||
* Two steps required: register_event in order to get
|
||||
* dynamic updates and LSDB_Sync.
|
||||
*/
|
||||
int
|
||||
ospf_apiclient_sync_lsdb (struct ospf_apiclient *oclient)
|
||||
{
|
||||
struct msg *msg;
|
||||
int rc;
|
||||
struct lsa_filter_type filter;
|
||||
|
||||
filter.typemask = 0xFFFF; /* all LSAs */
|
||||
filter.origin = ANY_ORIGIN;
|
||||
filter.num_areas = 0; /* all Areas. */
|
||||
|
||||
msg = new_msg_register_event (ospf_apiclient_get_seqnr (), &filter);
|
||||
if (!msg)
|
||||
{
|
||||
fprintf (stderr, "new_msg_register_event failed\n");
|
||||
return -1;
|
||||
}
|
||||
rc = ospf_apiclient_send_request (oclient, msg);
|
||||
|
||||
if (rc != 0)
|
||||
goto out;
|
||||
|
||||
msg = new_msg_sync_lsdb (ospf_apiclient_get_seqnr (), &filter);
|
||||
if (!msg)
|
||||
{
|
||||
fprintf (stderr, "new_msg_sync_lsdb failed\n");
|
||||
return -1;
|
||||
}
|
||||
rc = ospf_apiclient_send_request (oclient, msg);
|
||||
|
||||
out:
|
||||
return rc;
|
||||
}
|
||||
|
||||
/*
|
||||
* Synchronous request to originate or update an LSA.
|
||||
*/
|
||||
|
||||
int
|
||||
ospf_apiclient_lsa_originate (struct ospf_apiclient *oclient,
|
||||
struct in_addr ifaddr,
|
||||
struct in_addr area_id,
|
||||
u_char lsa_type,
|
||||
u_char opaque_type, u_int32_t opaque_id,
|
||||
void *opaquedata, int opaquelen)
|
||||
{
|
||||
struct msg *msg;
|
||||
int rc;
|
||||
u_char buf[OSPF_MAX_LSA_SIZE];
|
||||
struct lsa_header *lsah;
|
||||
u_int32_t tmp;
|
||||
|
||||
|
||||
/* We can only originate opaque LSAs */
|
||||
if (!IS_OPAQUE_LSA (lsa_type))
|
||||
{
|
||||
fprintf (stderr, "Cannot originate non-opaque LSA type %d\n", lsa_type);
|
||||
return OSPF_API_ILLEGALLSATYPE;
|
||||
}
|
||||
|
||||
/* Make a new LSA from parameters */
|
||||
lsah = (struct lsa_header *) buf;
|
||||
lsah->ls_age = 0;
|
||||
lsah->options = 0;
|
||||
lsah->type = lsa_type;
|
||||
|
||||
tmp = SET_OPAQUE_LSID (opaque_type, opaque_id);
|
||||
lsah->id.s_addr = htonl (tmp);
|
||||
lsah->adv_router.s_addr = 0;
|
||||
lsah->ls_seqnum = 0;
|
||||
lsah->checksum = 0;
|
||||
lsah->length = htons (sizeof (struct lsa_header) + opaquelen);
|
||||
|
||||
memcpy (((u_char *) lsah) + sizeof (struct lsa_header), opaquedata,
|
||||
opaquelen);
|
||||
|
||||
msg = new_msg_originate_request (ospf_apiclient_get_seqnr (),
|
||||
ifaddr, area_id, lsah);
|
||||
if (!msg)
|
||||
{
|
||||
fprintf (stderr, "new_msg_originate_request failed\n");
|
||||
return OSPF_API_NOMEMORY;
|
||||
}
|
||||
|
||||
rc = ospf_apiclient_send_request (oclient, msg);
|
||||
return rc;
|
||||
}
|
||||
|
||||
int
|
||||
ospf_apiclient_lsa_delete (struct ospf_apiclient *oclient,
|
||||
struct in_addr area_id, u_char lsa_type,
|
||||
u_char opaque_type, u_int32_t opaque_id)
|
||||
{
|
||||
struct msg *msg;
|
||||
int rc;
|
||||
|
||||
/* Only opaque LSA can be deleted */
|
||||
if (!IS_OPAQUE_LSA (lsa_type))
|
||||
{
|
||||
fprintf (stderr, "Cannot delete non-opaque LSA type %d\n", lsa_type);
|
||||
return OSPF_API_ILLEGALLSATYPE;
|
||||
}
|
||||
|
||||
/* opaque_id is in host byte order and will be converted
|
||||
* to network byte order by new_msg_delete_request */
|
||||
msg = new_msg_delete_request (ospf_apiclient_get_seqnr (),
|
||||
area_id, lsa_type, opaque_type, opaque_id);
|
||||
|
||||
rc = ospf_apiclient_send_request (oclient, msg);
|
||||
return rc;
|
||||
}
|
||||
|
||||
/* -----------------------------------------------------------
|
||||
* Followings are handlers for messages from OSPF daemon
|
||||
* -----------------------------------------------------------
|
||||
*/
|
||||
|
||||
void
|
||||
ospf_apiclient_handle_ready (struct ospf_apiclient *oclient, struct msg *msg)
|
||||
{
|
||||
struct msg_ready_notify *r;
|
||||
r = (struct msg_ready_notify *) STREAM_DATA (msg->s);
|
||||
|
||||
/* Invoke registered callback function. */
|
||||
if (oclient->ready_notify)
|
||||
{
|
||||
(oclient->ready_notify) (r->lsa_type, r->opaque_type, r->addr);
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
ospf_apiclient_handle_new_if (struct ospf_apiclient *oclient, struct msg *msg)
|
||||
{
|
||||
struct msg_new_if *n;
|
||||
n = (struct msg_new_if *) STREAM_DATA (msg->s);
|
||||
|
||||
/* Invoke registered callback function. */
|
||||
if (oclient->new_if)
|
||||
{
|
||||
(oclient->new_if) (n->ifaddr, n->area_id);
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
ospf_apiclient_handle_del_if (struct ospf_apiclient *oclient, struct msg *msg)
|
||||
{
|
||||
struct msg_del_if *d;
|
||||
d = (struct msg_del_if *) STREAM_DATA (msg->s);
|
||||
|
||||
/* Invoke registered callback function. */
|
||||
if (oclient->del_if)
|
||||
{
|
||||
(oclient->del_if) (d->ifaddr);
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
ospf_apiclient_handle_ism_change (struct ospf_apiclient *oclient,
|
||||
struct msg *msg)
|
||||
{
|
||||
struct msg_ism_change *m;
|
||||
m = (struct msg_ism_change *) STREAM_DATA (msg->s);
|
||||
|
||||
/* Invoke registered callback function. */
|
||||
if (oclient->ism_change)
|
||||
{
|
||||
(oclient->ism_change) (m->ifaddr, m->area_id, m->status);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
void
|
||||
ospf_apiclient_handle_nsm_change (struct ospf_apiclient *oclient,
|
||||
struct msg *msg)
|
||||
{
|
||||
struct msg_nsm_change *m;
|
||||
m = (struct msg_nsm_change *) STREAM_DATA (msg->s);
|
||||
|
||||
/* Invoke registered callback function. */
|
||||
if (oclient->nsm_change)
|
||||
{
|
||||
(oclient->nsm_change) (m->ifaddr, m->nbraddr, m->router_id, m->status);
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
ospf_apiclient_handle_lsa_update (struct ospf_apiclient *oclient,
|
||||
struct msg *msg)
|
||||
{
|
||||
struct msg_lsa_change_notify *cn;
|
||||
struct lsa_header *lsa;
|
||||
int lsalen;
|
||||
|
||||
cn = (struct msg_lsa_change_notify *) STREAM_DATA (msg->s);
|
||||
|
||||
/* Extract LSA from message */
|
||||
lsalen = ntohs (cn->data.length);
|
||||
lsa = XMALLOC (MTYPE_OSPF_APICLIENT, lsalen);
|
||||
if (!lsa)
|
||||
{
|
||||
fprintf (stderr, "LSA update: Cannot allocate memory for LSA\n");
|
||||
return;
|
||||
}
|
||||
memcpy (lsa, &(cn->data), lsalen);
|
||||
|
||||
/* Invoke registered update callback function */
|
||||
if (oclient->update_notify)
|
||||
{
|
||||
(oclient->update_notify) (cn->ifaddr, cn->area_id,
|
||||
cn->is_self_originated, lsa);
|
||||
}
|
||||
|
||||
/* free memory allocated by ospf apiclient library */
|
||||
XFREE (MTYPE_OSPF_APICLIENT, lsa);
|
||||
}
|
||||
|
||||
void
|
||||
ospf_apiclient_handle_lsa_delete (struct ospf_apiclient *oclient,
|
||||
struct msg *msg)
|
||||
{
|
||||
struct msg_lsa_change_notify *cn;
|
||||
struct lsa_header *lsa;
|
||||
int lsalen;
|
||||
|
||||
cn = (struct msg_lsa_change_notify *) STREAM_DATA (msg->s);
|
||||
|
||||
/* Extract LSA from message */
|
||||
lsalen = ntohs (cn->data.length);
|
||||
lsa = XMALLOC (MTYPE_OSPF_APICLIENT, lsalen);
|
||||
if (!lsa)
|
||||
{
|
||||
fprintf (stderr, "LSA delete: Cannot allocate memory for LSA\n");
|
||||
return;
|
||||
}
|
||||
memcpy (lsa, &(cn->data), lsalen);
|
||||
|
||||
/* Invoke registered update callback function */
|
||||
if (oclient->delete_notify)
|
||||
{
|
||||
(oclient->delete_notify) (cn->ifaddr, cn->area_id,
|
||||
cn->is_self_originated, lsa);
|
||||
}
|
||||
|
||||
/* free memory allocated by ospf apiclient library */
|
||||
XFREE (MTYPE_OSPF_APICLIENT, lsa);
|
||||
}
|
||||
|
||||
void
|
||||
ospf_apiclient_msghandle (struct ospf_apiclient *oclient, struct msg *msg)
|
||||
{
|
||||
/* Call message handler function. */
|
||||
switch (msg->hdr.msgtype)
|
||||
{
|
||||
case MSG_READY_NOTIFY:
|
||||
ospf_apiclient_handle_ready (oclient, msg);
|
||||
break;
|
||||
case MSG_NEW_IF:
|
||||
ospf_apiclient_handle_new_if (oclient, msg);
|
||||
break;
|
||||
case MSG_DEL_IF:
|
||||
ospf_apiclient_handle_del_if (oclient, msg);
|
||||
break;
|
||||
case MSG_ISM_CHANGE:
|
||||
ospf_apiclient_handle_ism_change (oclient, msg);
|
||||
break;
|
||||
case MSG_NSM_CHANGE:
|
||||
ospf_apiclient_handle_nsm_change (oclient, msg);
|
||||
break;
|
||||
case MSG_LSA_UPDATE_NOTIFY:
|
||||
ospf_apiclient_handle_lsa_update (oclient, msg);
|
||||
break;
|
||||
case MSG_LSA_DELETE_NOTIFY:
|
||||
ospf_apiclient_handle_lsa_delete (oclient, msg);
|
||||
break;
|
||||
default:
|
||||
fprintf (stderr, "ospf_apiclient_read: Unknown message type: %d\n",
|
||||
msg->hdr.msgtype);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/* -----------------------------------------------------------
|
||||
* Callback handler registration
|
||||
* -----------------------------------------------------------
|
||||
*/
|
||||
|
||||
void
|
||||
ospf_apiclient_register_callback (struct ospf_apiclient *oclient,
|
||||
void (*ready_notify) (u_char lsa_type,
|
||||
u_char opaque_type,
|
||||
struct in_addr addr),
|
||||
void (*new_if) (struct in_addr ifaddr,
|
||||
struct in_addr area_id),
|
||||
void (*del_if) (struct in_addr ifaddr),
|
||||
void (*ism_change) (struct in_addr ifaddr,
|
||||
struct in_addr area_id,
|
||||
u_char status),
|
||||
void (*nsm_change) (struct in_addr ifaddr,
|
||||
struct in_addr nbraddr,
|
||||
struct in_addr
|
||||
router_id,
|
||||
u_char status),
|
||||
void (*update_notify) (struct in_addr
|
||||
ifaddr,
|
||||
struct in_addr
|
||||
area_id,
|
||||
u_char self_origin,
|
||||
struct lsa_header *
|
||||
lsa),
|
||||
void (*delete_notify) (struct in_addr
|
||||
ifaddr,
|
||||
struct in_addr
|
||||
area_id,
|
||||
u_char self_origin,
|
||||
struct lsa_header *
|
||||
lsa))
|
||||
{
|
||||
assert (oclient);
|
||||
assert (update_notify);
|
||||
|
||||
/* Register callback function */
|
||||
oclient->ready_notify = ready_notify;
|
||||
oclient->new_if = new_if;
|
||||
oclient->del_if = del_if;
|
||||
oclient->ism_change = ism_change;
|
||||
oclient->nsm_change = nsm_change;
|
||||
oclient->update_notify = update_notify;
|
||||
oclient->delete_notify = delete_notify;
|
||||
}
|
||||
|
||||
/* -----------------------------------------------------------
|
||||
* Asynchronous message handling
|
||||
* -----------------------------------------------------------
|
||||
*/
|
||||
|
||||
int
|
||||
ospf_apiclient_handle_async (struct ospf_apiclient *oclient)
|
||||
{
|
||||
struct msg *msg;
|
||||
|
||||
/* Get a message */
|
||||
msg = msg_read (oclient->fd_async);
|
||||
|
||||
if (!msg)
|
||||
{
|
||||
/* Connection broke down */
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* Handle message */
|
||||
ospf_apiclient_msghandle (oclient, msg);
|
||||
|
||||
/* Don't forget to free this message */
|
||||
msg_free (msg);
|
||||
|
||||
return 0;
|
||||
}
|
||||
135
ospfclient/ospf_apiclient.h
Normal file
135
ospfclient/ospf_apiclient.h
Normal file
|
|
@ -0,0 +1,135 @@
|
|||
/*
|
||||
* Client side of OSPF API.
|
||||
* Copyright (C) 2001, 2002, 2003 Ralph Keller
|
||||
*
|
||||
* This file is part of GNU Zebra.
|
||||
*
|
||||
* GNU Zebra is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published
|
||||
* by the Free Software Foundation; either version 2, or (at your
|
||||
* option) any later version.
|
||||
*
|
||||
* GNU Zebra is distributed in the hope that it will be useful, but
|
||||
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with GNU Zebra; see the file COPYING. If not, write to the
|
||||
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||||
* Boston, MA 02111-1307, USA.
|
||||
*/
|
||||
|
||||
#ifndef _OSPF_APICLIENT_H
|
||||
#define _OSPF_APICLIENT_H
|
||||
|
||||
#define MTYPE_OSPF_APICLIENT 0
|
||||
|
||||
/* Structure for the OSPF API client */
|
||||
struct ospf_apiclient
|
||||
{
|
||||
|
||||
/* Sockets for sync requests and async notifications */
|
||||
int fd_sync;
|
||||
int fd_async;
|
||||
|
||||
/* Pointer to callback functions */
|
||||
void (*ready_notify) (u_char lsa_type, u_char opaque_type,
|
||||
struct in_addr addr);
|
||||
void (*new_if) (struct in_addr ifaddr, struct in_addr area_id);
|
||||
void (*del_if) (struct in_addr ifaddr);
|
||||
void (*ism_change) (struct in_addr ifaddr, struct in_addr area_id,
|
||||
u_char status);
|
||||
void (*nsm_change) (struct in_addr ifaddr, struct in_addr nbraddr,
|
||||
struct in_addr router_id, u_char status);
|
||||
void (*update_notify) (struct in_addr ifaddr, struct in_addr area_id,
|
||||
u_char self_origin,
|
||||
struct lsa_header * lsa);
|
||||
void (*delete_notify) (struct in_addr ifaddr, struct in_addr area_id,
|
||||
u_char self_origin,
|
||||
struct lsa_header * lsa);
|
||||
};
|
||||
|
||||
|
||||
/* ---------------------------------------------------------
|
||||
* API function prototypes.
|
||||
* --------------------------------------------------------- */
|
||||
|
||||
/* Open connection to OSPF daemon. Two ports will be allocated on
|
||||
client, sync channel at syncport and reverse channel at syncport+1 */
|
||||
struct ospf_apiclient *ospf_apiclient_connect (char *host, int syncport);
|
||||
|
||||
/* Shutdown connection to OSPF daemon. */
|
||||
int ospf_apiclient_close (struct ospf_apiclient *oclient);
|
||||
|
||||
/* Synchronous request to register opaque type. */
|
||||
int ospf_apiclient_register_opaque_type (struct ospf_apiclient *oclient,
|
||||
u_char ltype, u_char otype);
|
||||
|
||||
/* Synchronous request to register event mask. */
|
||||
int ospf_apiclient_register_events (struct ospf_apiclient *oclient,
|
||||
u_int32_t mask);
|
||||
|
||||
/* Register callback functions.*/
|
||||
void ospf_apiclient_register_callback (struct ospf_apiclient *oclient,
|
||||
void (*ready_notify) (u_char lsa_type,
|
||||
u_char
|
||||
opaque_type,
|
||||
struct in_addr
|
||||
addr),
|
||||
void (*new_if) (struct in_addr ifaddr,
|
||||
struct in_addr
|
||||
area_id),
|
||||
void (*del_if) (struct in_addr ifaddr),
|
||||
void (*ism_change) (struct in_addr
|
||||
ifaddr,
|
||||
struct in_addr
|
||||
area_id,
|
||||
u_char status),
|
||||
void (*nsm_change) (struct in_addr
|
||||
ifaddr,
|
||||
struct in_addr
|
||||
nbraddr,
|
||||
struct in_addr
|
||||
router_id,
|
||||
u_char status),
|
||||
void (*update_notify) (struct in_addr
|
||||
ifaddr,
|
||||
struct in_addr
|
||||
area_id,
|
||||
u_char selforig,
|
||||
struct
|
||||
lsa_header *
|
||||
lsa),
|
||||
void (*delete_notify) (struct in_addr
|
||||
ifaddr,
|
||||
struct in_addr
|
||||
area_id,
|
||||
u_char selforig,
|
||||
struct
|
||||
lsa_header *
|
||||
lsa));
|
||||
|
||||
/* Synchronous request to synchronize LSDB. */
|
||||
int ospf_apiclient_sync_lsdb (struct ospf_apiclient *oclient);
|
||||
|
||||
/* Synchronous request to originate or update opaque LSA. */
|
||||
int
|
||||
ospf_apiclient_lsa_originate(struct ospf_apiclient *oclient,
|
||||
struct in_addr ifaddr,
|
||||
struct in_addr area_id,
|
||||
u_char lsa_type,
|
||||
u_char opaque_type, u_int32_t opaque_id,
|
||||
void *opaquedata, int opaquelen);
|
||||
|
||||
|
||||
/* Synchronous request to delete opaque LSA. Parameter opaque_id is in
|
||||
host byte order */
|
||||
int ospf_apiclient_lsa_delete (struct ospf_apiclient *oclient,
|
||||
struct in_addr area_id, u_char lsa_type,
|
||||
u_char opaque_type, u_int32_t opaque_id);
|
||||
|
||||
/* Fetch async message and handle it */
|
||||
int ospf_apiclient_handle_async (struct ospf_apiclient *oclient);
|
||||
|
||||
#endif /* _OSPF_APICLIENT_H */
|
||||
291
ospfclient/ospfclient.c
Normal file
291
ospfclient/ospfclient.c
Normal file
|
|
@ -0,0 +1,291 @@
|
|||
/*
|
||||
* Simple main program to demonstrate how OSPF API can be used.
|
||||
*/
|
||||
|
||||
/* The following includes are needed in all OSPF API client
|
||||
applications */
|
||||
|
||||
#include <zebra.h>
|
||||
#include "prefix.h" /* for ospf_asbr.h */
|
||||
|
||||
#include "ospfd/ospfd.h"
|
||||
#include "ospfd/ospf_asbr.h"
|
||||
#include "ospfd/ospf_lsa.h"
|
||||
#include "ospfd/ospf_opaque.h"
|
||||
#include "ospfd/ospf_lsdb.h"
|
||||
#include "ospfd/ospf_dump.h"
|
||||
#include "ospfd/ospf_api.h"
|
||||
#include "ospf_apiclient.h"
|
||||
|
||||
/* The following includes are specific to this main application. Here
|
||||
main uses the thread functionality from libzebra (however an
|
||||
application can use any thread library like pthreads) */
|
||||
|
||||
#include "thread.h"
|
||||
#include "log.h"
|
||||
|
||||
/* local portnumber for async channel */
|
||||
#define ASYNCPORT 4000
|
||||
|
||||
/* Master thread */
|
||||
struct thread_master *master;
|
||||
|
||||
/* Global variables */
|
||||
struct ospf_apiclient *oclient;
|
||||
char **args;
|
||||
|
||||
/* Our opaque LSAs have the following format */
|
||||
struct my_opaque_lsa
|
||||
{
|
||||
struct lsa_header hdr;
|
||||
u_char data[4];
|
||||
};
|
||||
|
||||
|
||||
/* ---------------------------------------------------------
|
||||
* Threads for asynchronous messages and LSA update/delete
|
||||
* ---------------------------------------------------------
|
||||
*/
|
||||
|
||||
int
|
||||
lsa_delete (struct thread *t)
|
||||
{
|
||||
struct ospf_apiclient *oclient;
|
||||
struct in_addr area_id;
|
||||
int rc;
|
||||
|
||||
oclient = THREAD_ARG (t);
|
||||
|
||||
inet_aton (args[6], &area_id);
|
||||
|
||||
printf ("Deleting LSA... ");
|
||||
rc = ospf_apiclient_lsa_delete (oclient,
|
||||
area_id,
|
||||
atoi (args[2]), /* lsa type */
|
||||
atoi (args[3]), /* opaque type */
|
||||
atoi (args[4])); /* opaque ID */
|
||||
printf ("done, return code is = %d\n", rc);
|
||||
return rc;
|
||||
}
|
||||
|
||||
int
|
||||
lsa_inject (struct thread *t)
|
||||
{
|
||||
struct ospf_apiclient *cl;
|
||||
struct in_addr ifaddr;
|
||||
struct in_addr area_id;
|
||||
u_char lsa_type;
|
||||
u_char opaque_type;
|
||||
u_int32_t opaque_id;
|
||||
void *opaquedata;
|
||||
int opaquelen;
|
||||
|
||||
static u_int32_t counter = 1; /* Incremented each time */
|
||||
int rc;
|
||||
|
||||
cl = THREAD_ARG (t);
|
||||
|
||||
inet_aton (args[5], &ifaddr);
|
||||
inet_aton (args[6], &area_id);
|
||||
lsa_type = atoi (args[2]);
|
||||
opaque_type = atoi (args[3]);
|
||||
opaque_id = atoi (args[4]);
|
||||
opaquedata = &counter;
|
||||
opaquelen = sizeof (u_int32_t);
|
||||
|
||||
printf ("Originating/updating LSA with counter=%d... ", counter);
|
||||
rc = ospf_apiclient_lsa_originate(cl, ifaddr, area_id,
|
||||
lsa_type,
|
||||
opaque_type, opaque_id,
|
||||
opaquedata, opaquelen);
|
||||
|
||||
printf ("done, return code is %d\n", rc);
|
||||
|
||||
counter++;
|
||||
|
||||
return 0;
|
||||
};
|
||||
|
||||
|
||||
/* This thread handles asynchronous messages coming in from the OSPF
|
||||
API server */
|
||||
int
|
||||
lsa_read (struct thread *thread)
|
||||
{
|
||||
struct ospf_apiclient *oclient;
|
||||
int fd;
|
||||
int ret;
|
||||
|
||||
printf ("lsa_read called\n");
|
||||
|
||||
oclient = THREAD_ARG (thread);
|
||||
fd = THREAD_FD (thread);
|
||||
|
||||
/* Handle asynchronous message */
|
||||
ret = ospf_apiclient_handle_async (oclient);
|
||||
if (ret < 0) {
|
||||
printf ("Connection closed, exiting...");
|
||||
exit(0);
|
||||
}
|
||||
|
||||
/* Reschedule read thread */
|
||||
thread_add_read (master, lsa_read, oclient, fd);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/* ---------------------------------------------------------
|
||||
* Callback functions for asynchronous events
|
||||
* ---------------------------------------------------------
|
||||
*/
|
||||
|
||||
void
|
||||
lsa_update_callback (struct in_addr ifaddr, struct in_addr area_id,
|
||||
u_char is_self_originated,
|
||||
struct lsa_header *lsa)
|
||||
{
|
||||
printf ("lsa_update_callback: ");
|
||||
printf ("ifaddr: %s ", inet_ntoa (ifaddr));
|
||||
printf ("area: %s\n", inet_ntoa (area_id));
|
||||
printf ("is_self_origin: %u\n", is_self_originated);
|
||||
|
||||
ospf_lsa_header_dump (lsa);
|
||||
}
|
||||
|
||||
void
|
||||
lsa_delete_callback (struct in_addr ifaddr, struct in_addr area_id,
|
||||
u_char is_self_originated,
|
||||
struct lsa_header *lsa)
|
||||
{
|
||||
printf ("lsa_delete_callback: ");
|
||||
printf ("ifaddr: %s ", inet_ntoa (ifaddr));
|
||||
printf ("area: %s\n", inet_ntoa (area_id));
|
||||
printf ("is_self_origin: %u\n", is_self_originated);
|
||||
|
||||
ospf_lsa_header_dump (lsa);
|
||||
}
|
||||
|
||||
void
|
||||
ready_callback (u_char lsa_type, u_char opaque_type, struct in_addr addr)
|
||||
{
|
||||
printf ("ready_callback: lsa_type: %d opaque_type: %d addr=%s\n",
|
||||
lsa_type, opaque_type, inet_ntoa (addr));
|
||||
|
||||
/* Schedule opaque LSA originate in 5 secs */
|
||||
thread_add_timer (master, lsa_inject, oclient, 5);
|
||||
|
||||
/* Schedule opaque LSA update with new value */
|
||||
thread_add_timer (master, lsa_inject, oclient, 10);
|
||||
|
||||
/* Schedule delete */
|
||||
thread_add_timer (master, lsa_delete, oclient, 30);
|
||||
}
|
||||
|
||||
void
|
||||
new_if_callback (struct in_addr ifaddr, struct in_addr area_id)
|
||||
{
|
||||
printf ("new_if_callback: ifaddr: %s ", inet_ntoa (ifaddr));
|
||||
printf ("area_id: %s\n", inet_ntoa (area_id));
|
||||
}
|
||||
|
||||
void
|
||||
del_if_callback (struct in_addr ifaddr)
|
||||
{
|
||||
printf ("new_if_callback: ifaddr: %s\n ", inet_ntoa (ifaddr));
|
||||
}
|
||||
|
||||
void
|
||||
ism_change_callback (struct in_addr ifaddr, struct in_addr area_id,
|
||||
u_char state)
|
||||
{
|
||||
printf ("ism_change: ifaddr: %s ", inet_ntoa (ifaddr));
|
||||
printf ("area_id: %s\n", inet_ntoa (area_id));
|
||||
printf ("state: %d [%s]\n", state, LOOKUP (ospf_ism_state_msg, state));
|
||||
}
|
||||
|
||||
void
|
||||
nsm_change_callback (struct in_addr ifaddr, struct in_addr nbraddr,
|
||||
struct in_addr router_id, u_char state)
|
||||
{
|
||||
printf ("nsm_change: ifaddr: %s ", inet_ntoa (ifaddr));
|
||||
printf ("nbraddr: %s\n", inet_ntoa (nbraddr));
|
||||
printf ("router_id: %s\n", inet_ntoa (router_id));
|
||||
printf ("state: %d [%s]\n", state, LOOKUP (ospf_nsm_state_msg, state));
|
||||
}
|
||||
|
||||
|
||||
/* ---------------------------------------------------------
|
||||
* Main program
|
||||
* ---------------------------------------------------------
|
||||
*/
|
||||
|
||||
int
|
||||
main (int argc, char *argv[])
|
||||
{
|
||||
struct thread thread;
|
||||
|
||||
args = argv;
|
||||
|
||||
/* Main should be started with the following arguments:
|
||||
*
|
||||
* (1) host (2) lsa_type (3) opaque_type (4) opaque_id (5) if_addr
|
||||
* (6) area_id
|
||||
*
|
||||
* host: name or IP of host where ospfd is running
|
||||
* lsa_type: 9, 10, or 11
|
||||
* opaque_type: 0-255 (e.g., 140 for experimental Active Networking)
|
||||
* opaque_id: arbitrary application instance (24 bits)
|
||||
* if_addr: interface IP address (for type 9) otherwise ignored
|
||||
* area_id: area in IP address format (for type 10) otherwise ignored
|
||||
*/
|
||||
|
||||
if (argc != 7)
|
||||
{
|
||||
printf ("main: wrong number of arguments!\n");
|
||||
exit (1);
|
||||
}
|
||||
|
||||
/* Initialization */
|
||||
master = thread_master_create ();
|
||||
|
||||
/* Open connection to OSPF daemon */
|
||||
oclient = ospf_apiclient_connect (args[1], ASYNCPORT);
|
||||
if (!oclient)
|
||||
{
|
||||
printf ("main: connect failed!\n");
|
||||
exit (1);
|
||||
}
|
||||
|
||||
/* Register callback functions. */
|
||||
ospf_apiclient_register_callback (oclient,
|
||||
ready_callback,
|
||||
new_if_callback,
|
||||
del_if_callback,
|
||||
ism_change_callback,
|
||||
nsm_change_callback,
|
||||
lsa_update_callback,
|
||||
lsa_delete_callback);
|
||||
|
||||
/* Register LSA type and opaque type. */
|
||||
ospf_apiclient_register_opaque_type (oclient, atoi (args[2]),
|
||||
atoi (args[3]));
|
||||
|
||||
/* Synchronize database with OSPF daemon. */
|
||||
ospf_apiclient_sync_lsdb (oclient);
|
||||
|
||||
/* Schedule thread that handles asynchronous messages */
|
||||
thread_add_read (master, lsa_read, oclient, oclient->fd_async);
|
||||
|
||||
/* Now connection is established, run loop */
|
||||
while (1)
|
||||
{
|
||||
thread_fetch (master, &thread);
|
||||
thread_call (&thread);
|
||||
}
|
||||
|
||||
/* Never reached */
|
||||
return 0;
|
||||
}
|
||||
|
||||
647
ospfd/ospf_api.c
Normal file
647
ospfd/ospf_api.c
Normal file
|
|
@ -0,0 +1,647 @@
|
|||
/*
|
||||
* API message handling module for OSPF daemon and client.
|
||||
* Copyright (C) 2001, 2002 Ralph Keller
|
||||
*
|
||||
* This file is part of GNU Zebra.
|
||||
*
|
||||
* GNU Zebra is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published
|
||||
* by the Free Software Foundation; either version 2, or (at your
|
||||
* option) any later version.
|
||||
*
|
||||
* GNU Zebra is distributed in the hope that it will be useful, but
|
||||
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with GNU Zebra; see the file COPYING. If not, write to the
|
||||
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||||
* Boston, MA 02111-1307, USA.
|
||||
*/
|
||||
|
||||
#include <zebra.h>
|
||||
|
||||
#ifdef SUPPORT_OSPF_API
|
||||
#ifndef HAVE_OPAQUE_LSA
|
||||
#error "Core Opaque-LSA module must be configured."
|
||||
#endif /* HAVE_OPAQUE_LSA */
|
||||
|
||||
#include "linklist.h"
|
||||
#include "prefix.h"
|
||||
#include "if.h"
|
||||
#include "table.h"
|
||||
#include "memory.h"
|
||||
#include "command.h"
|
||||
#include "vty.h"
|
||||
#include "stream.h"
|
||||
#include "log.h"
|
||||
#include "thread.h"
|
||||
#include "hash.h"
|
||||
#include "sockunion.h" /* for inet_aton() */
|
||||
#include "buffer.h"
|
||||
#include "network.h"
|
||||
|
||||
#include "ospfd/ospfd.h"
|
||||
#include "ospfd/ospf_interface.h"
|
||||
#include "ospfd/ospf_ism.h"
|
||||
#include "ospfd/ospf_asbr.h"
|
||||
#include "ospfd/ospf_lsa.h"
|
||||
#include "ospfd/ospf_lsdb.h"
|
||||
#include "ospfd/ospf_neighbor.h"
|
||||
#include "ospfd/ospf_nsm.h"
|
||||
#include "ospfd/ospf_flood.h"
|
||||
#include "ospfd/ospf_packet.h"
|
||||
#include "ospfd/ospf_spf.h"
|
||||
#include "ospfd/ospf_dump.h"
|
||||
#include "ospfd/ospf_route.h"
|
||||
#include "ospfd/ospf_ase.h"
|
||||
#include "ospfd/ospf_zebra.h"
|
||||
|
||||
#include "ospfd/ospf_api.h"
|
||||
|
||||
|
||||
/* For debugging only, will be removed */
|
||||
void
|
||||
api_opaque_lsa_print (struct lsa_header *data)
|
||||
{
|
||||
struct opaque_lsa
|
||||
{
|
||||
struct lsa_header header;
|
||||
u_char mydata[0];
|
||||
};
|
||||
|
||||
struct opaque_lsa *olsa;
|
||||
int opaquelen;
|
||||
int i;
|
||||
|
||||
ospf_lsa_header_dump (data);
|
||||
|
||||
olsa = (struct opaque_lsa *) data;
|
||||
|
||||
opaquelen = ntohs (data->length) - OSPF_LSA_HEADER_SIZE;
|
||||
zlog_warn ("apiserver_lsa_print: opaquelen=%d\n", opaquelen);
|
||||
|
||||
for (i = 0; i < opaquelen; i++)
|
||||
{
|
||||
zlog_warn ("0x%x ", olsa->mydata[i]);
|
||||
}
|
||||
zlog_warn ("\n");
|
||||
}
|
||||
|
||||
/* -----------------------------------------------------------
|
||||
* Generic messages
|
||||
* -----------------------------------------------------------
|
||||
*/
|
||||
|
||||
struct msg *
|
||||
msg_new (u_char msgtype, void *msgbody, u_int32_t seqnum, u_int16_t msglen)
|
||||
{
|
||||
struct msg *new;
|
||||
|
||||
new = XMALLOC (MTYPE_OSPF_API_MSG, sizeof (struct msg));
|
||||
memset (new, 0, sizeof (struct msg));
|
||||
|
||||
new->hdr.version = OSPF_API_VERSION;
|
||||
new->hdr.msgtype = msgtype;
|
||||
new->hdr.msglen = htons (msglen);
|
||||
new->hdr.msgseq = htonl (seqnum);
|
||||
|
||||
new->s = stream_new (msglen);
|
||||
assert (new->s);
|
||||
stream_put (new->s, msgbody, msglen);
|
||||
|
||||
return new;
|
||||
}
|
||||
|
||||
|
||||
/* Duplicate a message by copying content. */
|
||||
struct msg *
|
||||
msg_dup (struct msg *msg)
|
||||
{
|
||||
struct msg *new;
|
||||
|
||||
assert (msg);
|
||||
|
||||
new = msg_new (msg->hdr.msgtype, STREAM_DATA (msg->s),
|
||||
ntohl (msg->hdr.msgseq), ntohs (msg->hdr.msglen));
|
||||
return new;
|
||||
}
|
||||
|
||||
|
||||
/* XXX only for testing, will be removed */
|
||||
|
||||
struct nametab {
|
||||
int value;
|
||||
const char *name;
|
||||
};
|
||||
|
||||
const char *
|
||||
ospf_api_typename (int msgtype)
|
||||
{
|
||||
struct nametab NameTab[] = {
|
||||
{ MSG_REGISTER_OPAQUETYPE, "Register opaque-type", },
|
||||
{ MSG_UNREGISTER_OPAQUETYPE, "Unregister opaque-type", },
|
||||
{ MSG_REGISTER_EVENT, "Register event", },
|
||||
{ MSG_SYNC_LSDB, "Sync LSDB", },
|
||||
{ MSG_ORIGINATE_REQUEST, "Originate request", },
|
||||
{ MSG_DELETE_REQUEST, "Delete request", },
|
||||
{ MSG_REPLY, "Reply", },
|
||||
{ MSG_READY_NOTIFY, "Ready notify", },
|
||||
{ MSG_LSA_UPDATE_NOTIFY, "LSA update notify", },
|
||||
{ MSG_LSA_DELETE_NOTIFY, "LSA delete notify", },
|
||||
{ MSG_NEW_IF, "New interface", },
|
||||
{ MSG_DEL_IF, "Del interface", },
|
||||
{ MSG_ISM_CHANGE, "ISM change", },
|
||||
{ MSG_NSM_CHANGE, "NSM change", },
|
||||
};
|
||||
|
||||
int i, n = sizeof (NameTab) / sizeof (NameTab[0]);
|
||||
const char *name = NULL;
|
||||
|
||||
for (i = 0; i < n; i++)
|
||||
{
|
||||
if (NameTab[i].value == msgtype)
|
||||
{
|
||||
name = NameTab[i].name;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
return name ? name : "?";
|
||||
}
|
||||
|
||||
const char *
|
||||
ospf_api_errname (int errcode)
|
||||
{
|
||||
struct nametab NameTab[] = {
|
||||
{ OSPF_API_OK, "OK", },
|
||||
{ OSPF_API_NOSUCHINTERFACE, "No such interface", },
|
||||
{ OSPF_API_NOSUCHAREA, "No such area", },
|
||||
{ OSPF_API_NOSUCHLSA, "No such LSA", },
|
||||
{ OSPF_API_ILLEGALLSATYPE, "Illegal LSA type", },
|
||||
{ OSPF_API_OPAQUETYPEINUSE, "Opaque type in use", },
|
||||
{ OSPF_API_OPAQUETYPENOTREGISTERED, "Opaque type not registered", },
|
||||
{ OSPF_API_NOTREADY, "Not ready", },
|
||||
{ OSPF_API_NOMEMORY, "No memory", },
|
||||
{ OSPF_API_ERROR, "Other error", },
|
||||
{ OSPF_API_UNDEF, "Undefined", },
|
||||
};
|
||||
|
||||
int i, n = sizeof (NameTab) / sizeof (NameTab[0]);
|
||||
const char *name = NULL;
|
||||
|
||||
for (i = 0; i < n; i++)
|
||||
{
|
||||
if (NameTab[i].value == errcode)
|
||||
{
|
||||
name = NameTab[i].name;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
return name ? name : "?";
|
||||
}
|
||||
|
||||
void
|
||||
msg_print (struct msg *msg)
|
||||
{
|
||||
if (!msg)
|
||||
{
|
||||
zlog_warn ("msg_print msg=NULL!\n");
|
||||
return;
|
||||
}
|
||||
|
||||
#ifdef ORIGINAL_CODING
|
||||
zlog_warn
|
||||
("msg=%p msgtype=%d msglen=%d msgseq=%d streamdata=%p streamsize=%lu\n",
|
||||
msg, msg->hdr.msgtype, ntohs (msg->hdr.msglen), ntohl (msg->hdr.msgseq),
|
||||
STREAM_DATA (msg->s), STREAM_SIZE (msg->s));
|
||||
#else /* ORIGINAL_CODING */
|
||||
/* API message common header part. */
|
||||
zlog_info
|
||||
("API-msg [%s]: type(%d),len(%d),seq(%lu),data(%p),size(%lu)",
|
||||
ospf_api_typename (msg->hdr.msgtype), msg->hdr.msgtype,
|
||||
ntohs (msg->hdr.msglen), (unsigned long) ntohl (msg->hdr.msgseq),
|
||||
STREAM_DATA (msg->s), STREAM_SIZE (msg->s));
|
||||
|
||||
/* API message body part. */
|
||||
#ifdef ndef
|
||||
/* Generic Hex/Ascii dump */
|
||||
DumpBuf (STREAM_DATA (msg->s), STREAM_SIZE (msg->s)); /* Sorry, deleted! */
|
||||
#else /* ndef */
|
||||
/* Message-type dependent dump function. */
|
||||
#endif /* ndef */
|
||||
|
||||
return;
|
||||
#endif /* ORIGINAL_CODING */
|
||||
}
|
||||
|
||||
void
|
||||
msg_free (struct msg *msg)
|
||||
{
|
||||
if (msg->s)
|
||||
stream_free (msg->s);
|
||||
|
||||
XFREE (MTYPE_OSPF_API_MSG, msg);
|
||||
}
|
||||
|
||||
|
||||
/* Set sequence number of message */
|
||||
void
|
||||
msg_set_seq (struct msg *msg, u_int32_t seqnr)
|
||||
{
|
||||
assert (msg);
|
||||
msg->hdr.msgseq = htonl (seqnr);
|
||||
}
|
||||
|
||||
/* Get sequence number of message */
|
||||
u_int32_t
|
||||
msg_get_seq (struct msg *msg)
|
||||
{
|
||||
assert (msg);
|
||||
return ntohl (msg->hdr.msgseq);
|
||||
}
|
||||
|
||||
/* -----------------------------------------------------------
|
||||
* Message fifo queues
|
||||
* -----------------------------------------------------------
|
||||
*/
|
||||
|
||||
struct msg_fifo *
|
||||
msg_fifo_new ()
|
||||
{
|
||||
struct msg_fifo *new;
|
||||
|
||||
new = XMALLOC (MTYPE_OSPF_API_FIFO, sizeof (struct msg_fifo));
|
||||
memset (new, 0, sizeof (struct msg_fifo));
|
||||
|
||||
return new;
|
||||
}
|
||||
|
||||
/* Add new message to fifo. */
|
||||
void
|
||||
msg_fifo_push (struct msg_fifo *fifo, struct msg *msg)
|
||||
{
|
||||
if (fifo->tail)
|
||||
fifo->tail->next = msg;
|
||||
else
|
||||
fifo->head = msg;
|
||||
|
||||
fifo->tail = msg;
|
||||
fifo->count++;
|
||||
}
|
||||
|
||||
|
||||
/* Remove first message from fifo. */
|
||||
struct msg *
|
||||
msg_fifo_pop (struct msg_fifo *fifo)
|
||||
{
|
||||
struct msg *msg;
|
||||
|
||||
msg = fifo->head;
|
||||
if (msg)
|
||||
{
|
||||
fifo->head = msg->next;
|
||||
|
||||
if (fifo->head == NULL)
|
||||
fifo->tail = NULL;
|
||||
|
||||
fifo->count--;
|
||||
}
|
||||
return msg;
|
||||
}
|
||||
|
||||
/* Return first fifo entry but do not remove it. */
|
||||
struct msg *
|
||||
msg_fifo_head (struct msg_fifo *fifo)
|
||||
{
|
||||
return fifo->head;
|
||||
}
|
||||
|
||||
/* Flush message fifo. */
|
||||
void
|
||||
msg_fifo_flush (struct msg_fifo *fifo)
|
||||
{
|
||||
struct msg *op;
|
||||
struct msg *next;
|
||||
|
||||
for (op = fifo->head; op; op = next)
|
||||
{
|
||||
next = op->next;
|
||||
msg_free (op);
|
||||
}
|
||||
|
||||
fifo->head = fifo->tail = NULL;
|
||||
fifo->count = 0;
|
||||
}
|
||||
|
||||
/* Free API message fifo. */
|
||||
void
|
||||
msg_fifo_free (struct msg_fifo *fifo)
|
||||
{
|
||||
msg_fifo_flush (fifo);
|
||||
|
||||
XFREE (MTYPE_OSPF_API_FIFO, fifo);
|
||||
}
|
||||
|
||||
struct msg *
|
||||
msg_read (int fd)
|
||||
{
|
||||
struct msg *msg;
|
||||
struct apimsghdr hdr;
|
||||
char buf[OSPF_API_MAX_MSG_SIZE];
|
||||
int bodylen;
|
||||
int rlen;
|
||||
|
||||
/* Read message header */
|
||||
rlen = readn (fd, (char *) &hdr, sizeof (struct apimsghdr));
|
||||
|
||||
if (rlen < 0)
|
||||
{
|
||||
zlog_warn ("msg_read: readn %s", strerror (errno));
|
||||
return NULL;
|
||||
}
|
||||
else if (rlen == 0)
|
||||
{
|
||||
zlog_warn ("msg_read: Connection closed by peer");
|
||||
return NULL;
|
||||
}
|
||||
else if (rlen != sizeof (struct apimsghdr))
|
||||
{
|
||||
zlog_warn ("msg_read: Cannot read message header!");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/* Check version of API protocol */
|
||||
if (hdr.version != OSPF_API_VERSION)
|
||||
{
|
||||
zlog_warn ("msg_read: OSPF API protocol version mismatch");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/* Determine body length. */
|
||||
bodylen = ntohs (hdr.msglen);
|
||||
if (bodylen > 0)
|
||||
{
|
||||
|
||||
/* Read message body */
|
||||
rlen = readn (fd, buf, bodylen);
|
||||
if (rlen < 0)
|
||||
{
|
||||
zlog_warn ("msg_read: readn %s", strerror (errno));
|
||||
return NULL;
|
||||
}
|
||||
else if (rlen == 0)
|
||||
{
|
||||
zlog_warn ("msg_read: Connection closed by peer");
|
||||
return NULL;
|
||||
}
|
||||
else if (rlen != bodylen)
|
||||
{
|
||||
zlog_warn ("msg_read: Cannot read message body!");
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
|
||||
/* Allocate new message */
|
||||
msg = msg_new (hdr.msgtype, buf, ntohl (hdr.msgseq), ntohs (hdr.msglen));
|
||||
|
||||
return msg;
|
||||
}
|
||||
|
||||
int
|
||||
msg_write (int fd, struct msg *msg)
|
||||
{
|
||||
u_char buf[OSPF_API_MAX_MSG_SIZE];
|
||||
int l;
|
||||
int wlen;
|
||||
|
||||
assert (msg);
|
||||
assert (msg->s);
|
||||
|
||||
/* Length of message including header */
|
||||
l = sizeof (struct apimsghdr) + ntohs (msg->hdr.msglen);
|
||||
|
||||
/* Make contiguous memory buffer for message */
|
||||
memcpy (buf, &msg->hdr, sizeof (struct apimsghdr));
|
||||
memcpy (buf + sizeof (struct apimsghdr), STREAM_DATA (msg->s),
|
||||
ntohs (msg->hdr.msglen));
|
||||
|
||||
wlen = writen (fd, buf, l);
|
||||
if (wlen < 0)
|
||||
{
|
||||
zlog_warn ("msg_write: writen %s", strerror (errno));
|
||||
return -1;
|
||||
}
|
||||
else if (wlen == 0)
|
||||
{
|
||||
zlog_warn ("msg_write: Connection closed by peer");
|
||||
return -1;
|
||||
}
|
||||
else if (wlen != l)
|
||||
{
|
||||
zlog_warn ("msg_write: Cannot write API message");
|
||||
return -1;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* -----------------------------------------------------------
|
||||
* Specific messages
|
||||
* -----------------------------------------------------------
|
||||
*/
|
||||
|
||||
struct msg *
|
||||
new_msg_register_opaque_type (u_int32_t seqnum, u_char ltype, u_char otype)
|
||||
{
|
||||
struct msg_register_opaque_type rmsg;
|
||||
|
||||
rmsg.lsatype = ltype;
|
||||
rmsg.opaquetype = otype;
|
||||
memset (&rmsg.pad, 0, sizeof (rmsg.pad));
|
||||
|
||||
return msg_new (MSG_REGISTER_OPAQUETYPE, &rmsg, seqnum,
|
||||
sizeof (struct msg_register_opaque_type));
|
||||
}
|
||||
|
||||
struct msg *
|
||||
new_msg_register_event (u_int32_t seqnum, struct lsa_filter_type *filter)
|
||||
{
|
||||
u_char buf[OSPF_API_MAX_MSG_SIZE];
|
||||
struct msg_register_event *emsg;
|
||||
int len;
|
||||
|
||||
emsg = (struct msg_register_event *) buf;
|
||||
len = sizeof (struct msg_register_event) +
|
||||
filter->num_areas * sizeof (struct in_addr);
|
||||
emsg->filter.typemask = htons (filter->typemask);
|
||||
emsg->filter.origin = filter->origin;
|
||||
emsg->filter.num_areas = filter->num_areas;
|
||||
return msg_new (MSG_REGISTER_EVENT, emsg, seqnum, len);
|
||||
}
|
||||
|
||||
struct msg *
|
||||
new_msg_sync_lsdb (u_int32_t seqnum, struct lsa_filter_type *filter)
|
||||
{
|
||||
u_char buf[OSPF_API_MAX_MSG_SIZE];
|
||||
struct msg_sync_lsdb *smsg;
|
||||
int len;
|
||||
|
||||
smsg = (struct msg_sync_lsdb *) buf;
|
||||
len = sizeof (struct msg_sync_lsdb) +
|
||||
filter->num_areas * sizeof (struct in_addr);
|
||||
smsg->filter.typemask = htons (filter->typemask);
|
||||
smsg->filter.origin = filter->origin;
|
||||
smsg->filter.num_areas = filter->num_areas;
|
||||
return msg_new (MSG_SYNC_LSDB, smsg, seqnum, len);
|
||||
}
|
||||
|
||||
|
||||
struct msg *
|
||||
new_msg_originate_request (u_int32_t seqnum,
|
||||
struct in_addr ifaddr,
|
||||
struct in_addr area_id, struct lsa_header *data)
|
||||
{
|
||||
struct msg_originate_request *omsg;
|
||||
int omsglen;
|
||||
char buf[OSPF_API_MAX_MSG_SIZE];
|
||||
|
||||
omsglen = sizeof (struct msg_originate_request) - sizeof (struct lsa_header)
|
||||
+ ntohs (data->length);
|
||||
|
||||
omsg = (struct msg_originate_request *) buf;
|
||||
omsg->ifaddr = ifaddr;
|
||||
omsg->area_id = area_id;
|
||||
memcpy (&omsg->data, data, ntohs (data->length));
|
||||
|
||||
return msg_new (MSG_ORIGINATE_REQUEST, omsg, seqnum, omsglen);
|
||||
}
|
||||
|
||||
struct msg *
|
||||
new_msg_delete_request (u_int32_t seqnum,
|
||||
struct in_addr area_id, u_char lsa_type,
|
||||
u_char opaque_type, u_int32_t opaque_id)
|
||||
{
|
||||
struct msg_delete_request dmsg;
|
||||
dmsg.area_id = area_id;
|
||||
dmsg.lsa_type = lsa_type;
|
||||
dmsg.opaque_type = opaque_type;
|
||||
dmsg.opaque_id = htonl (opaque_id);
|
||||
memset (&dmsg.pad, 0, sizeof (dmsg.pad));
|
||||
|
||||
return msg_new (MSG_DELETE_REQUEST, &dmsg, seqnum,
|
||||
sizeof (struct msg_delete_request));
|
||||
}
|
||||
|
||||
|
||||
struct msg *
|
||||
new_msg_reply (u_int32_t seqnr, u_char rc)
|
||||
{
|
||||
struct msg *msg;
|
||||
struct msg_reply rmsg;
|
||||
|
||||
/* Set return code */
|
||||
rmsg.errcode = rc;
|
||||
memset (&rmsg.pad, 0, sizeof (rmsg.pad));
|
||||
|
||||
msg = msg_new (MSG_REPLY, &rmsg, seqnr, sizeof (struct msg_reply));
|
||||
|
||||
return msg;
|
||||
}
|
||||
|
||||
struct msg *
|
||||
new_msg_ready_notify (u_int32_t seqnr, u_char lsa_type,
|
||||
u_char opaque_type, struct in_addr addr)
|
||||
{
|
||||
struct msg_ready_notify rmsg;
|
||||
|
||||
rmsg.lsa_type = lsa_type;
|
||||
rmsg.opaque_type = opaque_type;
|
||||
memset (&rmsg.pad, 0, sizeof (rmsg.pad));
|
||||
rmsg.addr = addr;
|
||||
|
||||
return msg_new (MSG_READY_NOTIFY, &rmsg, seqnr,
|
||||
sizeof (struct msg_ready_notify));
|
||||
}
|
||||
|
||||
struct msg *
|
||||
new_msg_new_if (u_int32_t seqnr,
|
||||
struct in_addr ifaddr, struct in_addr area_id)
|
||||
{
|
||||
struct msg_new_if nmsg;
|
||||
|
||||
nmsg.ifaddr = ifaddr;
|
||||
nmsg.area_id = area_id;
|
||||
|
||||
return msg_new (MSG_NEW_IF, &nmsg, seqnr, sizeof (struct msg_new_if));
|
||||
}
|
||||
|
||||
struct msg *
|
||||
new_msg_del_if (u_int32_t seqnr, struct in_addr ifaddr)
|
||||
{
|
||||
struct msg_del_if dmsg;
|
||||
|
||||
dmsg.ifaddr = ifaddr;
|
||||
|
||||
return msg_new (MSG_DEL_IF, &dmsg, seqnr, sizeof (struct msg_del_if));
|
||||
}
|
||||
|
||||
struct msg *
|
||||
new_msg_ism_change (u_int32_t seqnr, struct in_addr ifaddr,
|
||||
struct in_addr area_id, u_char status)
|
||||
{
|
||||
struct msg_ism_change imsg;
|
||||
|
||||
imsg.ifaddr = ifaddr;
|
||||
imsg.area_id = area_id;
|
||||
imsg.status = status;
|
||||
memset (&imsg.pad, 0, sizeof (imsg.pad));
|
||||
|
||||
return msg_new (MSG_ISM_CHANGE, &imsg, seqnr,
|
||||
sizeof (struct msg_ism_change));
|
||||
}
|
||||
|
||||
struct msg *
|
||||
new_msg_nsm_change (u_int32_t seqnr, struct in_addr ifaddr,
|
||||
struct in_addr nbraddr,
|
||||
struct in_addr router_id, u_char status)
|
||||
{
|
||||
struct msg_nsm_change nmsg;
|
||||
|
||||
nmsg.ifaddr = ifaddr;
|
||||
nmsg.nbraddr = nbraddr;
|
||||
nmsg.router_id = router_id;
|
||||
nmsg.status = status;
|
||||
memset (&nmsg.pad, 0, sizeof (nmsg.pad));
|
||||
|
||||
return msg_new (MSG_NSM_CHANGE, &nmsg, seqnr,
|
||||
sizeof (struct msg_nsm_change));
|
||||
}
|
||||
|
||||
struct msg *
|
||||
new_msg_lsa_change_notify (u_char msgtype,
|
||||
u_int32_t seqnum,
|
||||
struct in_addr ifaddr,
|
||||
struct in_addr area_id,
|
||||
u_char is_self_originated, struct lsa_header *data)
|
||||
{
|
||||
u_char buf[OSPF_API_MAX_MSG_SIZE];
|
||||
struct msg_lsa_change_notify *nmsg;
|
||||
int len;
|
||||
|
||||
assert (data);
|
||||
|
||||
nmsg = (struct msg_lsa_change_notify *) buf;
|
||||
len = ntohs (data->length) + sizeof (struct msg_lsa_change_notify)
|
||||
- sizeof (struct lsa_header);
|
||||
nmsg->ifaddr = ifaddr;
|
||||
nmsg->area_id = area_id;
|
||||
nmsg->is_self_originated = is_self_originated;
|
||||
memset (&nmsg->pad, 0, sizeof (nmsg->pad));
|
||||
memcpy (&nmsg->data, data, ntohs (data->length));
|
||||
|
||||
return msg_new (msgtype, nmsg, seqnum, len);
|
||||
}
|
||||
|
||||
#endif /* SUPPORT_OSPF_API */
|
||||
357
ospfd/ospf_api.h
Normal file
357
ospfd/ospf_api.h
Normal file
|
|
@ -0,0 +1,357 @@
|
|||
/*
|
||||
* API message handling module for OSPF daemon and client.
|
||||
* Copyright (C) 2001, 2002 Ralph Keller
|
||||
*
|
||||
* This file is part of GNU Zebra.
|
||||
*
|
||||
* GNU Zebra is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published
|
||||
* by the Free Software Foundation; either version 2, or (at your
|
||||
* option) any later version.
|
||||
*
|
||||
* GNU Zebra is distributed in the hope that it will be useful, but
|
||||
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with GNU Zebra; see the file COPYING. If not, write to the
|
||||
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||||
* Boston, MA 02111-1307, USA.
|
||||
*/
|
||||
|
||||
|
||||
/* This file is used both by the OSPFd and client applications to
|
||||
define message formats used for communication. */
|
||||
|
||||
#ifndef _OSPF_API_H
|
||||
#define _OSPF_API_H
|
||||
|
||||
#define OSPF_API_VERSION 1
|
||||
|
||||
/* MTYPE definition is not reflected to "memory.h". */
|
||||
#define MTYPE_OSPF_API_MSG MTYPE_TMP
|
||||
#define MTYPE_OSPF_API_FIFO MTYPE_TMP
|
||||
|
||||
/* Default API server port to accept connection request from client-side. */
|
||||
/* This value could be overridden by "ospfapi" entry in "/etc/services". */
|
||||
#define OSPF_API_SYNC_PORT 2607
|
||||
|
||||
/* -----------------------------------------------------------
|
||||
* Generic messages
|
||||
* -----------------------------------------------------------
|
||||
*/
|
||||
|
||||
/* Message header structure, fields are in network byte order and
|
||||
aligned to four octets. */
|
||||
struct apimsghdr
|
||||
{
|
||||
u_char version; /* OSPF API protocol version */
|
||||
u_char msgtype; /* Type of message */
|
||||
u_int16_t msglen; /* Length of message w/o header */
|
||||
u_int32_t msgseq; /* Sequence number */
|
||||
};
|
||||
|
||||
/* Message representation with header and body */
|
||||
struct msg
|
||||
{
|
||||
struct msg *next; /* to link into fifo */
|
||||
|
||||
/* Message header */
|
||||
struct apimsghdr hdr;
|
||||
|
||||
/* Message body */
|
||||
struct stream *s;
|
||||
};
|
||||
|
||||
/* Prototypes for generic messages. */
|
||||
struct msg *msg_new (u_char msgtype, void *msgbody,
|
||||
u_int32_t seqnum, u_int16_t msglen);
|
||||
struct msg *msg_dup (struct msg *msg);
|
||||
void msg_print (struct msg *msg); /* XXX debug only */
|
||||
void msg_free (struct msg *msg);
|
||||
struct msg *msg_read (int fd);
|
||||
int msg_write (int fd, struct msg *msg);
|
||||
|
||||
/* For requests, the message sequence number is between MIN_SEQ and
|
||||
MAX_SEQ. For notifications, the sequence number is 0. */
|
||||
|
||||
#define MIN_SEQ 1
|
||||
#define MAX_SEQ 2147483647
|
||||
|
||||
void msg_set_seq (struct msg *msg, u_int32_t seqnr);
|
||||
u_int32_t msg_get_seq (struct msg *msg);
|
||||
|
||||
/* -----------------------------------------------------------
|
||||
* Message fifo queues
|
||||
* -----------------------------------------------------------
|
||||
*/
|
||||
|
||||
/* Message queue structure. */
|
||||
struct msg_fifo
|
||||
{
|
||||
unsigned long count;
|
||||
|
||||
struct msg *head;
|
||||
struct msg *tail;
|
||||
};
|
||||
|
||||
/* Prototype for message fifo queues. */
|
||||
struct msg_fifo *msg_fifo_new ();
|
||||
void msg_fifo_push (struct msg_fifo *, struct msg *msg);
|
||||
struct msg *msg_fifo_pop (struct msg_fifo *fifo);
|
||||
struct msg *msg_fifo_head (struct msg_fifo *fifo);
|
||||
void msg_fifo_flush (struct msg_fifo *fifo);
|
||||
void msg_fifo_free (struct msg_fifo *fifo);
|
||||
|
||||
/* -----------------------------------------------------------
|
||||
* Specific message type and format definitions
|
||||
* -----------------------------------------------------------
|
||||
*/
|
||||
|
||||
/* Messages to OSPF daemon. */
|
||||
#define MSG_REGISTER_OPAQUETYPE 1
|
||||
#define MSG_UNREGISTER_OPAQUETYPE 2
|
||||
#define MSG_REGISTER_EVENT 3
|
||||
#define MSG_SYNC_LSDB 4
|
||||
#define MSG_ORIGINATE_REQUEST 5
|
||||
#define MSG_DELETE_REQUEST 6
|
||||
|
||||
/* Messages from OSPF daemon. */
|
||||
#define MSG_REPLY 10
|
||||
#define MSG_READY_NOTIFY 11
|
||||
#define MSG_LSA_UPDATE_NOTIFY 12
|
||||
#define MSG_LSA_DELETE_NOTIFY 13
|
||||
#define MSG_NEW_IF 14
|
||||
#define MSG_DEL_IF 15
|
||||
#define MSG_ISM_CHANGE 16
|
||||
#define MSG_NSM_CHANGE 17
|
||||
|
||||
struct msg_register_opaque_type
|
||||
{
|
||||
u_char lsatype;
|
||||
u_char opaquetype;
|
||||
u_char pad[2]; /* padding */
|
||||
};
|
||||
|
||||
struct msg_unregister_opaque_type
|
||||
{
|
||||
u_char lsatype;
|
||||
u_char opaquetype;
|
||||
u_char pad[2]; /* padding */
|
||||
};
|
||||
|
||||
/* Power2 is needed to convert LSA types into bit positions,
|
||||
* see typemask below. Type definition starts at 1, so
|
||||
* Power2[0] is not used. */
|
||||
|
||||
|
||||
#ifdef ORIGINAL_CODING
|
||||
static const u_int16_t
|
||||
Power2[] = { 0x0, 0x1, 0x2, 0x4, 0x8, 0x10, 0x20, 0x40, 0x80,
|
||||
0x100, 0x200, 0x400, 0x800, 0x1000, 0x2000, 0x4000, 0x8000
|
||||
};
|
||||
#else
|
||||
static const u_int16_t
|
||||
Power2[] = { 0, (1 << 0), (1 << 1), (1 << 2), (1 << 3), (1 << 4),
|
||||
(1 << 5), (1 << 6), (1 << 7), (1 << 8), (1 << 9),
|
||||
(1 << 10), (1 << 11), (1 << 12), (1 << 13), (1 << 14),
|
||||
(1 << 15)
|
||||
};
|
||||
#endif /* ORIGINAL_CODING */
|
||||
|
||||
struct lsa_filter_type
|
||||
{
|
||||
u_int16_t typemask; /* bitmask for selecting LSA types (1..16) */
|
||||
u_char origin; /* selects according to origin. */
|
||||
#define NON_SELF_ORIGINATED 0
|
||||
#define SELF_ORIGINATED (OSPF_LSA_SELF)
|
||||
#define ANY_ORIGIN 2
|
||||
|
||||
u_char num_areas; /* number of areas in the filter. */
|
||||
/* areas, if any, go here. */
|
||||
};
|
||||
|
||||
struct msg_register_event
|
||||
{
|
||||
struct lsa_filter_type filter;
|
||||
};
|
||||
|
||||
struct msg_sync_lsdb
|
||||
{
|
||||
struct lsa_filter_type filter;
|
||||
};
|
||||
|
||||
struct msg_originate_request
|
||||
{
|
||||
/* Used for LSA type 9 otherwise ignored */
|
||||
struct in_addr ifaddr;
|
||||
|
||||
/* Used for LSA type 10 otherwise ignored */
|
||||
struct in_addr area_id;
|
||||
|
||||
/* LSA header and LSA-specific part */
|
||||
struct lsa_header data;
|
||||
};
|
||||
|
||||
struct msg_delete_request
|
||||
{
|
||||
struct in_addr area_id; /* "0.0.0.0" for AS-external opaque LSAs */
|
||||
u_char lsa_type;
|
||||
u_char opaque_type;
|
||||
u_char pad[2]; /* padding */
|
||||
u_int32_t opaque_id;
|
||||
};
|
||||
|
||||
struct msg_reply
|
||||
{
|
||||
char errcode;
|
||||
#define OSPF_API_OK 0
|
||||
#define OSPF_API_NOSUCHINTERFACE (-1)
|
||||
#define OSPF_API_NOSUCHAREA (-2)
|
||||
#define OSPF_API_NOSUCHLSA (-3)
|
||||
#define OSPF_API_ILLEGALLSATYPE (-4)
|
||||
#define OSPF_API_OPAQUETYPEINUSE (-5)
|
||||
#define OSPF_API_OPAQUETYPENOTREGISTERED (-6)
|
||||
#define OSPF_API_NOTREADY (-7)
|
||||
#define OSPF_API_NOMEMORY (-8)
|
||||
#define OSPF_API_ERROR (-9)
|
||||
#define OSPF_API_UNDEF (-10)
|
||||
u_char pad[3]; /* padding to four byte alignment */
|
||||
};
|
||||
|
||||
/* Message to tell client application that it ospf daemon is
|
||||
* ready to accept opaque LSAs for a given interface or area. */
|
||||
|
||||
struct msg_ready_notify
|
||||
{
|
||||
u_char lsa_type;
|
||||
u_char opaque_type;
|
||||
u_char pad[2]; /* padding */
|
||||
struct in_addr addr; /* interface address or area address */
|
||||
};
|
||||
|
||||
/* These messages have a dynamic length depending on the embodied LSA.
|
||||
They are aligned to four octets. msg_lsa_change_notify is used for
|
||||
both LSA update and LSAs delete. */
|
||||
|
||||
struct msg_lsa_change_notify
|
||||
{
|
||||
/* Used for LSA type 9 otherwise ignored */
|
||||
struct in_addr ifaddr;
|
||||
/* Area ID. Not valid for AS-External and Opaque11 LSAs. */
|
||||
struct in_addr area_id;
|
||||
u_char is_self_originated; /* 1 if self originated. */
|
||||
u_char pad[3];
|
||||
struct lsa_header data;
|
||||
};
|
||||
|
||||
struct msg_new_if
|
||||
{
|
||||
struct in_addr ifaddr; /* interface IP address */
|
||||
struct in_addr area_id; /* area this interface belongs to */
|
||||
};
|
||||
|
||||
struct msg_del_if
|
||||
{
|
||||
struct in_addr ifaddr; /* interface IP address */
|
||||
};
|
||||
|
||||
struct msg_ism_change
|
||||
{
|
||||
struct in_addr ifaddr; /* interface IP address */
|
||||
struct in_addr area_id; /* area this interface belongs to */
|
||||
u_char status; /* interface status (up/down) */
|
||||
u_char pad[3]; /* not used */
|
||||
};
|
||||
|
||||
struct msg_nsm_change
|
||||
{
|
||||
struct in_addr ifaddr; /* attached interface */
|
||||
struct in_addr nbraddr; /* Neighbor interface address */
|
||||
struct in_addr router_id; /* Router ID of neighbor */
|
||||
u_char status; /* NSM status */
|
||||
u_char pad[3];
|
||||
};
|
||||
|
||||
/* We make use of a union to define a structure that covers all
|
||||
possible API messages. This allows us to find out how much memory
|
||||
needs to be reserved for the largest API message. */
|
||||
struct apimsg
|
||||
{
|
||||
struct apimsghdr hdr;
|
||||
union
|
||||
{
|
||||
struct msg_register_opaque_type register_opaque_type;
|
||||
struct msg_register_event register_event;
|
||||
struct msg_sync_lsdb sync_lsdb;
|
||||
struct msg_originate_request originate_request;
|
||||
struct msg_delete_request delete_request;
|
||||
struct msg_reply reply;
|
||||
struct msg_ready_notify ready_notify;
|
||||
struct msg_new_if new_if;
|
||||
struct msg_del_if del_if;
|
||||
struct msg_ism_change ism_change;
|
||||
struct msg_nsm_change nsm_change;
|
||||
struct msg_lsa_change_notify lsa_change_notify;
|
||||
}
|
||||
u;
|
||||
};
|
||||
|
||||
#define OSPF_API_MAX_MSG_SIZE (sizeof(struct apimsg) + OSPF_MAX_LSA_SIZE)
|
||||
|
||||
/* -----------------------------------------------------------
|
||||
* Prototypes for specific messages
|
||||
* -----------------------------------------------------------
|
||||
*/
|
||||
|
||||
/* For debugging only. */
|
||||
void api_opaque_lsa_print (struct lsa_header *data);
|
||||
|
||||
/* Messages sent by client */
|
||||
struct msg *new_msg_register_opaque_type (u_int32_t seqnum, u_char ltype,
|
||||
u_char otype);
|
||||
struct msg *new_msg_register_event (u_int32_t seqnum,
|
||||
struct lsa_filter_type *filter);
|
||||
struct msg *new_msg_sync_lsdb (u_int32_t seqnum,
|
||||
struct lsa_filter_type *filter);
|
||||
struct msg *new_msg_originate_request (u_int32_t seqnum,
|
||||
struct in_addr ifaddr,
|
||||
struct in_addr area_id,
|
||||
struct lsa_header *data);
|
||||
struct msg *new_msg_delete_request (u_int32_t seqnum,
|
||||
struct in_addr area_id,
|
||||
u_char lsa_type,
|
||||
u_char opaque_type, u_int32_t opaque_id);
|
||||
|
||||
/* Messages sent by OSPF daemon */
|
||||
struct msg *new_msg_reply (u_int32_t seqnum, u_char rc);
|
||||
|
||||
struct msg *new_msg_ready_notify (u_int32_t seqnr, u_char lsa_type,
|
||||
u_char opaque_type, struct in_addr addr);
|
||||
|
||||
struct msg *new_msg_new_if (u_int32_t seqnr,
|
||||
struct in_addr ifaddr, struct in_addr area);
|
||||
|
||||
struct msg *new_msg_del_if (u_int32_t seqnr, struct in_addr ifaddr);
|
||||
|
||||
struct msg *new_msg_ism_change (u_int32_t seqnr, struct in_addr ifaddr,
|
||||
struct in_addr area, u_char status);
|
||||
|
||||
struct msg *new_msg_nsm_change (u_int32_t seqnr, struct in_addr ifaddr,
|
||||
struct in_addr nbraddr,
|
||||
struct in_addr router_id, u_char status);
|
||||
|
||||
/* msgtype is MSG_LSA_UPDATE_NOTIFY or MSG_LSA_DELETE_NOTIFY */
|
||||
struct msg *new_msg_lsa_change_notify (u_char msgtype,
|
||||
u_int32_t seqnum,
|
||||
struct in_addr ifaddr,
|
||||
struct in_addr area_id,
|
||||
u_char is_self_originated,
|
||||
struct lsa_header *data);
|
||||
|
||||
/* string printing functions */
|
||||
const char *ospf_api_errname (int errcode);
|
||||
const char *ospf_api_typename (int msgtype);
|
||||
|
||||
#endif /* _OSPF_API_H */
|
||||
2647
ospfd/ospf_apiserver.c
Normal file
2647
ospfd/ospf_apiserver.c
Normal file
File diff suppressed because it is too large
Load diff
201
ospfd/ospf_apiserver.h
Normal file
201
ospfd/ospf_apiserver.h
Normal file
|
|
@ -0,0 +1,201 @@
|
|||
/*
|
||||
* Server side of OSPF API.
|
||||
* Copyright (C) 2001, 2002 Ralph Keller
|
||||
*
|
||||
* This file is part of GNU Zebra.
|
||||
*
|
||||
* GNU Zebra is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published
|
||||
* by the Free Software Foundation; either version 2, or (at your
|
||||
* option) any later version.
|
||||
*
|
||||
* GNU Zebra is distributed in the hope that it will be useful, but
|
||||
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with GNU Zebra; see the file COPYING. If not, write to the
|
||||
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||||
* Boston, MA 02111-1307, USA.
|
||||
*/
|
||||
|
||||
#ifndef _OSPF_APISERVER_H
|
||||
#define _OSPF_APISERVER_H
|
||||
|
||||
/* MTYPE definition is not reflected to "memory.h". */
|
||||
#define MTYPE_OSPF_APISERVER MTYPE_TMP
|
||||
#define MTYPE_OSPF_APISERVER_MSGFILTER MTYPE_TMP
|
||||
|
||||
/* List of opaque types that application registered */
|
||||
struct registered_opaque_type
|
||||
{
|
||||
u_char lsa_type;
|
||||
u_char opaque_type;
|
||||
};
|
||||
|
||||
|
||||
/* Server instance for each accepted client connection. */
|
||||
struct ospf_apiserver
|
||||
{
|
||||
/* Socket connections for synchronous commands and asynchronous
|
||||
notifications */
|
||||
int fd_sync; /* synchronous requests */
|
||||
struct sockaddr_in peer_sync;
|
||||
|
||||
int fd_async; /* asynchronous notifications */
|
||||
struct sockaddr_in peer_async;
|
||||
|
||||
/* List of all opaque types that application registers to use. Using
|
||||
a single connection with the OSPF daemon, multiple
|
||||
<lsa,opaque_type> pairs can be registered. However, each
|
||||
combination can only be registered once by all applications. */
|
||||
list opaque_types; /* of type registered_opaque_type */
|
||||
|
||||
/* Temporary storage for LSA instances to be refreshed. */
|
||||
struct ospf_lsdb reserve;
|
||||
|
||||
/* filter for LSA update/delete notifies */
|
||||
struct lsa_filter_type *filter;
|
||||
|
||||
/* Fifo buffers for outgoing messages */
|
||||
struct msg_fifo *out_sync_fifo;
|
||||
struct msg_fifo *out_async_fifo;
|
||||
|
||||
/* Read and write threads */
|
||||
struct thread *t_sync_read;
|
||||
#ifdef USE_ASYNC_READ
|
||||
struct thread *t_async_read;
|
||||
#endif /* USE_ASYNC_READ */
|
||||
struct thread *t_sync_write;
|
||||
struct thread *t_async_write;
|
||||
};
|
||||
|
||||
enum event
|
||||
{
|
||||
OSPF_APISERVER_ACCEPT,
|
||||
OSPF_APISERVER_SYNC_READ,
|
||||
#ifdef USE_ASYNC_READ
|
||||
OSPF_APISERVER_ASYNC_READ,
|
||||
#endif /* USE_ASYNC_READ */
|
||||
OSPF_APISERVER_SYNC_WRITE,
|
||||
OSPF_APISERVER_ASYNC_WRITE
|
||||
};
|
||||
|
||||
/* -----------------------------------------------------------
|
||||
* Followings are functions to manage client connections.
|
||||
* -----------------------------------------------------------
|
||||
*/
|
||||
|
||||
unsigned short ospf_apiserver_getport (void);
|
||||
int ospf_apiserver_init (void);
|
||||
void ospf_apiserver_term (void);
|
||||
struct ospf_apiserver *ospf_apiserver_new (int fd_sync, int fd_async);
|
||||
void ospf_apiserver_free (struct ospf_apiserver *apiserv);
|
||||
void ospf_apiserver_event (enum event event, int fd,
|
||||
struct ospf_apiserver *apiserv);
|
||||
int ospf_apiserver_serv_sock_family (unsigned short port, int family);
|
||||
int ospf_apiserver_accept (struct thread *thread);
|
||||
int ospf_apiserver_read (struct thread *thread);
|
||||
int ospf_apiserver_sync_write (struct thread *thread);
|
||||
int ospf_apiserver_async_write (struct thread *thread);
|
||||
int ospf_apiserver_send_reply (struct ospf_apiserver *apiserv,
|
||||
u_int32_t seqnr, u_char rc);
|
||||
|
||||
/* -----------------------------------------------------------
|
||||
* Followings are message handler functions
|
||||
* -----------------------------------------------------------
|
||||
*/
|
||||
|
||||
int ospf_apiserver_lsa9_originator (void *arg);
|
||||
int ospf_apiserver_lsa10_originator (void *arg);
|
||||
int ospf_apiserver_lsa11_originator (void *arg);
|
||||
|
||||
void ospf_apiserver_clients_notify_all (struct msg *msg);
|
||||
|
||||
void ospf_apiserver_clients_notify_ready_type9 (struct ospf_interface *oi);
|
||||
void ospf_apiserver_clients_notify_ready_type10 (struct ospf_area *area);
|
||||
void ospf_apiserver_clients_notify_ready_type11 (struct ospf *top);
|
||||
|
||||
void ospf_apiserver_clients_notify_new_if (struct ospf_interface *oi);
|
||||
void ospf_apiserver_clients_notify_del_if (struct ospf_interface *oi);
|
||||
void ospf_apiserver_clients_notify_ism_change (struct ospf_interface *oi);
|
||||
void ospf_apiserver_clients_notify_nsm_change (struct ospf_neighbor *nbr);
|
||||
|
||||
int ospf_apiserver_is_ready_type9 (struct ospf_interface *oi);
|
||||
int ospf_apiserver_is_ready_type10 (struct ospf_area *area);
|
||||
int ospf_apiserver_is_ready_type11 (struct ospf *ospf);
|
||||
|
||||
void ospf_apiserver_notify_ready_type9 (struct ospf_apiserver *apiserv);
|
||||
void ospf_apiserver_notify_ready_type10 (struct ospf_apiserver *apiserv);
|
||||
void ospf_apiserver_notify_ready_type11 (struct ospf_apiserver *apiserv);
|
||||
|
||||
int ospf_apiserver_handle_msg (struct ospf_apiserver *apiserv,
|
||||
struct msg *msg);
|
||||
int ospf_apiserver_handle_register_opaque_type (struct ospf_apiserver
|
||||
*apiserv, struct msg *msg);
|
||||
int ospf_apiserver_handle_unregister_opaque_type (struct ospf_apiserver
|
||||
*apiserv, struct msg *msg);
|
||||
int ospf_apiserver_handle_register_event (struct ospf_apiserver *apiserv,
|
||||
struct msg *msg);
|
||||
int ospf_apiserver_handle_originate_request (struct ospf_apiserver *apiserv,
|
||||
struct msg *msg);
|
||||
int ospf_apiserver_handle_delete_request (struct ospf_apiserver *apiserv,
|
||||
struct msg *msg);
|
||||
int ospf_apiserver_handle_sync_lsdb (struct ospf_apiserver *apiserv,
|
||||
struct msg *msg);
|
||||
|
||||
|
||||
/* -----------------------------------------------------------
|
||||
* Followings are functions for LSA origination/deletion
|
||||
* -----------------------------------------------------------
|
||||
*/
|
||||
|
||||
int ospf_apiserver_register_opaque_type (struct ospf_apiserver *apiserver,
|
||||
u_char lsa_type, u_char opaque_type);
|
||||
int ospf_apiserver_unregister_opaque_type (struct ospf_apiserver *apiserver,
|
||||
u_char lsa_type,
|
||||
u_char opaque_type);
|
||||
struct ospf_lsa *ospf_apiserver_opaque_lsa_new (struct ospf_area *area,
|
||||
struct ospf_interface *oi,
|
||||
struct lsa_header *protolsa);
|
||||
struct ospf_interface *ospf_apiserver_if_lookup_by_addr (struct in_addr
|
||||
address);
|
||||
struct ospf_interface *ospf_apiserver_if_lookup_by_ifp (struct interface
|
||||
*ifp);
|
||||
int ospf_apiserver_originate1 (struct ospf_lsa *lsa);
|
||||
void ospf_apiserver_flood_opaque_lsa (struct ospf_lsa *lsa);
|
||||
|
||||
|
||||
/* -----------------------------------------------------------
|
||||
* Followings are callback functions to handle opaque types
|
||||
* -----------------------------------------------------------
|
||||
*/
|
||||
|
||||
int ospf_apiserver_new_if (struct interface *ifp);
|
||||
int ospf_apiserver_del_if (struct interface *ifp);
|
||||
void ospf_apiserver_ism_change (struct ospf_interface *oi, int old_status);
|
||||
void ospf_apiserver_nsm_change (struct ospf_neighbor *nbr, int old_status);
|
||||
void ospf_apiserver_config_write_router (struct vty *vty);
|
||||
void ospf_apiserver_config_write_if (struct vty *vty, struct interface *ifp);
|
||||
void ospf_apiserver_show_info (struct vty *vty, struct ospf_lsa *lsa);
|
||||
int ospf_ospf_apiserver_lsa_originator (void *arg);
|
||||
void ospf_apiserver_lsa_refresher (struct ospf_lsa *lsa);
|
||||
void ospf_apiserver_flush_opaque_lsa (struct ospf_apiserver *apiserv,
|
||||
u_char lsa_type, u_char opaque_type);
|
||||
|
||||
/* -----------------------------------------------------------
|
||||
* Followings are hooks when LSAs are updated or deleted
|
||||
* -----------------------------------------------------------
|
||||
*/
|
||||
|
||||
|
||||
/* Hooks that are invoked from ospf opaque module */
|
||||
|
||||
int ospf_apiserver_lsa_update (struct ospf_lsa *lsa);
|
||||
int ospf_apiserver_lsa_delete (struct ospf_lsa *lsa);
|
||||
|
||||
void ospf_apiserver_clients_lsa_change_notify (u_char msgtype,
|
||||
struct ospf_lsa *lsa);
|
||||
|
||||
#endif /* _OSPF_APISERVER_H */
|
||||
Loading…
Reference in a new issue