extract.pl
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上传日期:2009-11-15
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文件大小:5k
- #! /usr/bin/perl
- ##
- ## Virtual terminal interface shell command extractor.
- ## Copyright (C) 2000 Kunihiro Ishiguro
- ##
- ## 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.
- ##
- print <<EOF;
- #include <zebra.h>
- #include "command.h"
- #include "vtysh.h"
- EOF
- $ignore{'"interface IFNAME"'} = "ignore";
- $ignore{'"ip vrf NAME"'} = "ignore";
- $ignore{'"router rip"'} = "ignore";
- $ignore{'"router ripng"'} = "ignore";
- $ignore{'"router ospf"'} = "ignore";
- $ignore{'"router ospf <0-65535>"'} = "ignore";
- $ignore{'"router ospf6"'} = "ignore";
- $ignore{'"router bgp <1-65535>"'} = "ignore";
- $ignore{'"router bgp <1-65535> view WORD"'} = "ignore";
- $ignore{'"address-family ipv4"'} = "ignore";
- $ignore{'"address-family ipv4 (unicast|multicast)"'} = "ignore";
- $ignore{'"address-family ipv6"'} = "ignore";
- $ignore{'"address-family ipv6 unicast"'} = "ignore";
- $ignore{'"address-family vpnv4"'} = "ignore";
- $ignore{'"address-family vpnv4 unicast"'} = "ignore";
- $ignore{'"address-family ipv4 vrf NAME"'} = "ignore";
- $ignore{'"exit-address-family"'} = "ignore";
- $ignore{'"key chain WORD"'} = "ignore";
- $ignore{'"key <0-2147483647>"'} = "ignore";
- $ignore{'"route-map WORD (deny|permit) <1-65535>"'} = "ignore";
- $ignore{'"show route-map"'} = "ignore";
- foreach (@ARGV) {
- $file = $_;
- open (FH, "cpp -DHAVE_CONFIG_H -DVTYSH_EXTRACT_PL -I. -I.. -I../lib $file |");
- local $/; undef $/;
- $line = <FH>;
- close (FH);
- @defun = ($line =~ /(?:DEFUN|ALIAS)s*((.+?));?s?s?n/sg);
- @install = ($line =~ /install_element (s*[0-9A-Z_]+,s*&[^;]*;s*n/sg);
- # DEFUN process
- foreach (@defun) {
- my (@defun_array);
- @defun_array = split (/,/);
- $defun_array[0] = '';
- # Actual input command string.
- $str = "$defun_array[2]";
- $str =~ s/^s+//g;
- $str =~ s/s+$//g;
- # Get VTY command structure. This is needed for searching
- # install_element() command.
- $cmd = "$defun_array[1]";
- $cmd =~ s/^s+//g;
- $cmd =~ s/s+$//g;
- # $protocol is VTYSH_PROTO format for redirection of user input
- if ($file =~ /lib/) {
- if ($file =~ /keychain.c/) {
- $protocol = "VTYSH_RIPD";
- }
- if ($file =~ /routemap.c/) {
- $protocol = "VTYSH_RIPD|VTYSH_RIPNGD|VTYSH_OSPFD|VTYSH_OSPF6D|VTYSH_BGPD";
- }
- if ($file =~ /filter.c/) {
- if ($defun_array[1] =~ m/ipv6/) {
- $protocol = "VTYSH_RIPNGD|VTYSH_OSPF6D|VTYSH_BGPD";
- } else {
- $protocol = "VTYSH_RIPD|VTYSH_OSPFD|VTYSH_BGPD";
- }
- }
- if ($file =~ /plist.c/) {
- if ($defun_array[1] =~ m/ipv6/) {
- $protocol = "VTYSH_RIPNGD|VTYSH_OSPF6D|VTYSH_BGPD";
- } else {
- $protocol = "VTYSH_RIPD|VTYSH_OSPFD|VTYSH_BGPD";
- }
- }
- if ($file =~ /distribute.c/) {
- if ($defun_array[1] =~ m/ipv6/) {
- $protocol = "VTYSH_RIPNGD";
- } else {
- $protocol = "VTYSH_RIPD";
- }
- }
- } else {
- ($protocol) = ($file =~ //([a-z0-9]+)/);
- $protocol = "VTYSH_" . uc $protocol;
- }
- # Append _vtysh to structure then build DEFUN again
- $defun_array[1] = $cmd . "_vtysh";
- $defun_body = join (", ", @defun_array);
- # $cmd -> $str hash for lookup
- $cmd2str{$cmd} = $str;
- $cmd2defun{$cmd} = $defun_body;
- $cmd2proto{$cmd} = $protocol;
- }
- # install_element() process
- foreach (@install) {
- my (@element_array);
- @element_array = split (/,/);
- # Install node
- $enode = $element_array[0];
- $enode =~ s/^s+//g;
- $enode =~ s/s+$//g;
- ($enode) = ($enode =~ /([0-9A-Z_]+)$/);
- # VTY command structure.
- ($ecmd) = ($element_array[1] =~ /&([^)]+)/);
- $ecmd =~ s/^s+//g;
- $ecmd =~ s/s+$//g;
- # Register $ecmd
- if (defined ($cmd2str{$ecmd})
- && ! defined ($ignore{$cmd2str{$ecmd}})) {
- my ($key);
- $key = $enode . "," . $cmd2str{$ecmd};
- $ocmd{$key} = $ecmd;
- $odefun{$key} = $cmd2defun{$ecmd};
- push (@{$oproto{$key}}, $cmd2proto{$ecmd});
- }
- }
- }
- # Check finaly alive $cmd;
- foreach (keys %odefun) {
- my ($node, $str) = (split (/,/));
- my ($cmd) = $ocmd{$_};
- $live{$cmd} = $_;
- }
- # Output DEFSH
- foreach (keys %live) {
- my ($proto);
- my ($key);
- $key = $live{$_};
- $proto = join ("|", @{$oproto{$key}});
- printf "DEFSH ($proto$odefun{$key})nn";
- }
- # Output install_element
- print <<EOF;
- void
- vtysh_init_cmd ()
- {
- EOF
- foreach (keys %odefun) {
- my ($node, $str) = (split (/,/));
- $cmd = $ocmd{$_};
- $cmd =~ s/_cmd/_cmd_vtysh/;
- printf " install_element ($node, &$cmd);n";
- }
- print <<EOF
- }
- EOF