1171 lines
30 KiB
Perl
1171 lines
30 KiB
Perl
#!/usr/bin/perl
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#
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# Copyright (c) IBM Corp. 2009, 2010, All Rights Reserved
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#
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# Author(s): Vasileios Pappas <vpappas@us.ibm.com>
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# Jens Osterkamp <jens@linux.vnet.ibm.com>
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to
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# deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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# FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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use NetSNMP::OID (':all');
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use NetSNMP::ASN (':all');
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use NetSNMP::agent (':all');
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sub STP_PROP_VALUE() { 0x01}
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sub STP_PROP_FILE() { 0x02}
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sub STP_PROP_DEC() { 0x04}
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sub STP_PROP_HEX() { 0x08}
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sub FDB_STATUS_OTHER { 1 }
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sub FDB_STATUS_INVALID { 2 }
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sub FDB_STATUS_LEARNED { 3 }
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sub FDB_STATUS_SELF { 4 }
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sub FDB_STATUS_MGMT { 5 }
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my %oid_value;
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my %oid_type;
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my %oid_next;
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my (%indexes, %interfaces, %macs, %ages, %locals, %vlans, %tagged);
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my $oid;
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$subagent=0;
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my $netdir="/sys/class/net/";
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my $targetbridge;
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$cache_timout=60;
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$last_populated=0;
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my $regoid = ".1.3.6.1.2.1.17";
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# are we running embedded ? If not, register as subagent
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if (!$agent) {
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$agent = new NetSNMP::agent('Name' => 'dot1qbridge',
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'AgentX' => 1);
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$subagent = 1;
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if ( $#ARGV != 0) {
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usage($0);
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exit();
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}
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$targetbridge = $ARGV[0];
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} else {
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if (!defined($bridge)) {
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usage($0);
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exit();
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}
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$targetbridge = $bridge;
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}
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$agent->register("dot1qbridge", ".1.3.6.1.2.1.17", \&request_handler) or die "registration of handler failed !\n";
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if ($subagent) {
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# register handler for graceful shutdown
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$SIG{'INT'} = \&shutdown;
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$SIG{'QUIT'} = \&shutdown;
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$running = 1;
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while($running) {
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$agent->agent_check_and_process(1);
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}
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$agent->shutdown();
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}
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sub usage {
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my $name = shift;
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if ($subagent) {
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print $name."\n\n";
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print "usage: \t$name <bridge> start snmp bridge module".
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" for bridge <bridge>\n\n";
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print "arguments: bridge name of the Linux bridge".
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" which you want to provide info via snmp for.\n\n";
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} else {
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print 'usage in snmpd.conf: perl $bridge="br0"; perl do <path to $name>\n';
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}
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print "number of arguments given $#ARGV\n\n";
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}
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sub request_handler {
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my ($handler, $registration_info, $request_info, $requests)=@_;
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my $request;
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populate_mib($targetbridge);
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for($request = $requests; $request; $request = $request->next()) {
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if($request_info->getMode() == MODE_GET) {
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mode_get($request);
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} elsif($request_info->getMode() == MODE_GETNEXT) {
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mode_get_next($request);
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} else {
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print STDERR "mode not implemented.\n";
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}
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}
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}
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sub mode_get{
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my ($request)=@_;
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my $oid=$request->getOID();
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$SNMP::use_numeric = 1;
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my $noid=SNMP::translateObj($oid);
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reply($request, $noid) if (exists $oid_value{$noid});
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}
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sub find_next{
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my ($noid) = @_;
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my $nextoid = $oid_next{$noid};
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if(!defined($nextoid) || !defined($oid_value{$nextoid})) {
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# find the lowest OID whis is higher than $noid
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$prev = ".1.3.6.1.2.1.18";
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$prev_oid = new NetSNMP::OID($prev);
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$noid_oid = new NetSNMP::OID($noid);
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#print "looking for next of $noid\n";
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for my $candidate (keys %oid_value) {
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#print "evaluating $candidate\n";
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$candidate_oid = new NetSNMP::OID($candidate);
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if ($noid_oid < $candidate_oid && $prev_oid > $candidate_oid) {
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#print "found candidate $candidate\n";
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$prev = $candidate;
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$prev_oid = $candidate_oid;
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}
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}
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if ($prev eq ".1.3.6.1.2.1.18") {
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return; # no OID higher than $noid found
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}
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$nextoid = $prev;
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}
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return $nextoid;
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}
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sub mode_get_next{
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my ($request)=@_;
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my $oid=$request->getOID();
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$SNMP::use_numeric = 1;
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my $noid=SNMP::translateObj($oid);
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my $nextoid = find_next($noid);
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#print "found $nextoid\n";
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if(defined($nextoid)) {
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my $type = $oid_type{$nextoid};
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my $value = $oid_value{$nextoid};
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if (defined($type) and defined($value)) {
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reply($request, $nextoid);
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}
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}
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}
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sub reply{
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my ($request, $oid)=@_;
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my $type=$oid_type{$oid};
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my $value=$oid_value{$oid};
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$request->setOID(new NetSNMP::OID($oid));
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$request->setValue($type, $value);
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}
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# Populated MIB OID
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#
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## dot1dBasePort: 1.3.6.1.2.1.17.1.4.1.1.<dot1dBasePort>
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# INTEGER32
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#
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# dot1dBasePortIfIndex: 1.3.6.1.2.1.17.1.4.1.2.<dot1dBasePort>
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# INTEGER32
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#
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# dot1dStp*: 1.3.6.1.2.1.17.2.<1-14>
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# INTEGER, OCTET STRING
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#
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# dot1dTpFdbAddress: 1.3.6.1.2.1.17.4.3.1.1.<dot1dTpFdbAddress>
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# OCTET STRING (SIZE (6))
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#
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# dot1dTpFdbPort: 1.3.6.1.2.1.17.4.3.1.2.<dot1dTpFdbAddress>
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# INTEGER32
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#
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# dot1dTpFdbStatus: 1.3.6.1.2.1.17.4.3.1.3.<dot1dTpFdbAddress>
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# INTEGER
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# 1 : other
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# 2 : invalid
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# 3 : learned
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# 4 : self
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# 5 : mgmt
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#
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sub populate_mib {
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my $now;
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my $bridge = shift;
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my $seconds_passed;
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$ports=0;
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$oid="";
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$now=time();
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$seconds_passed=$now-$last_populated;
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return if($seconds_passed <= $cache_timout);
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$last_populated=$now;
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%oid_value=();
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%oid_type=();
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%oid_next=();
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%indexes=();
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%interfaces=();
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%macs=();
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%ages=();
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%locals=();
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%vlans=();
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%tagged=();
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# first populated oid
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$oid_next{".1.3.6.1.2.1.17"}=".1.3.6.1.2.1.17.1.1";
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createbaseinfo($bridge);
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readindexes($bridge);
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readforwards($bridge);
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readvlans($bridge);
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createports($bridge);
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stpproperties($bridge);
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stpportproperties($bridge);
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dot1dTpproperties();
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my $prevoid = $oid;
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my $curroid = createmacs($bridge);
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$oid_next{$prevoid} = $curroid;
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portproperties($bridge);
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dot1qbase($bridge);
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dot1qfdb($bridge);
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dot1qcurrentvlans($bridge);
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return 0;
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}
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sub findbridges()
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{
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my @bridges;
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opendir(DIR, $netdir) or die "unable to open $netdir !\n";
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while(my $br=readdir(DIR)){
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next if $br eq ".";
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next if $br eq "..";
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next unless -d $netdir.$br."/bridge";
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push @bridges, $br;
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}
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close(DIR);
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return @bridges;
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}
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sub createbaseinfo()
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{
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my $bridge = shift;
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$oid=".1.3.6.1.2.1.17.1.1";
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$oid_value{$oid}=mac2hex(readfile($netdir.$bridge."/address", 0));
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$oid_type{$oid}=ASN_OCTET_STR;
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$oid_next{$oid}=".1.3.6.1.2.1.17.1.2";
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opendir(DIR, $netdir.$bridge."/brif/") or die "Could not open ".$netdir.$bridge."brif !\n";
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foreach $entry (readdir(DIR)) {
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next if $entry eq ".";
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next if $entry eq "..";
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# only count non-vlan interfaces
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next if $entry =~ /\.[0-9]*/;
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$ports++;
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}
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closedir(DIR);
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$oid=".1.3.6.1.2.1.17.1.2";
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$oid_value{$oid}=$ports;
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$oid_type{$oid}=ASN_INTEGER;
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$oid_next{$oid}=".1.3.6.1.2.1.17.1.3";
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$oid=".1.3.6.1.2.1.17.1.3";
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$oid_value{$oid}="2"; # transparent only
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$oid_type{$oid}=ASN_INTEGER;
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$oid_next{$oid}=".1.3.6.1.2.1.17.1.4.1.1.1";
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}
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sub createmacs()
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{
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my $bridge = shift;
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my $start_oid = $oid = ".1.3.6.1.2.1.17.4.3.1";
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foreach my $mac (sort {$a cmp $b} keys %macs) {
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my $mac_oid=mac2oid($mac);
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unless(defined($first_mac_oid)){
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$first_mac_oid=$mac_oid;
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$oid_next{$oid.".1"}=$oid.".1".$mac_oid;
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$oid_next{$oid.".2"}=$oid.".2".$mac_oid;
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$oid_next{$oid.".3"}=$oid.".3".$mac_oid;
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}
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my $port=$macs{$mac}{$bridge};
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my $baseport=$baseports{$bridge}{$port};
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my $status=$locals{$mac}{$bridge};
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my $age=$ages{$mac}{$bridge};
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$oid_value{$oid.".1".$mac_oid}=mac2hex($mac);
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$oid_type{$oid.".1".$mac_oid}=ASN_OCTET_STR;
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if(defined($prv_mac_oid)){
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$oid_next{$oid.".1".$prv_mac_oid}=
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$oid.".1".$mac_oid;
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}
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$oid_value{$oid.".2".$mac_oid}=$baseport;
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$oid_type{$oid.".2".$mac_oid}=ASN_INTEGER;
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if(defined($prv_mac_oid)){
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$oid_next{$oid.".2".$prv_mac_oid}=
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$oid.".2".$mac_oid;
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}
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$oid_value{$oid.".3".$mac_oid}=$status;
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$oid_type{$oid.".3".$mac_oid}=ASN_INTEGER;
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if(defined($prv_mac_oid)){
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$oid_next{$oid.".3".$prv_mac_oid}=
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$oid.".3".$mac_oid;
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}
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$prv_mac_oid=$mac_oid;
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}
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if ($prv_mac_oid and $first_mac_oid) {
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$oid_next{$oid.".1".$prv_mac_oid}=$oid.".2".$first_mac_oid;
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$oid_next{$oid.".2".$prv_mac_oid}=$oid.".3".$first_mac_oid;
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$oid_next{$oid.".3".$prv_mac_oid}=".1.3.6.1.2.1.17.4.4.1.1.1";
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}
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undef $prv_mac_oid;
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undef $first_mac_oid;
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return $start_oid.".1".$first_mac_oid;
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}
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# TODO: is this sequence complete ?
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sub createports()
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{
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my $bridge = shift;
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my ($baseport, $prev_baseport, $first_baseport);
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$baseport=1;
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my $oid= '.1.3.6.1.2.1.17.1.4.1';
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foreach my $port (keys %{$interfaces{$bridge}}) {
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unless(defined($first_baseport)){
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$first_baseport=$baseport;
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$oid_next{$oid.".1"}=$oid.".1.".$baseport;
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$oid_next{$oid.".2"}=$oid.".2.".$baseport;
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}
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my $index=$indexes{$bridge}{$port};
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$baseports{$bridge}{$port}=$baseport;
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$oid_value{$oid.".1.".$baseport}=$baseport;
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$oid_type{$oid.".1.".$baseport}=ASN_INTEGER;
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if(defined($prv_baseport)){
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$oid_next{$oid.".1.".$prv_baseport}=
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$oid.".1.".$baseport;
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}
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$oid_value{$oid.".2.".$baseport}=$index;
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$oid_type{$oid.".2.".$baseport}=ASN_INTEGER;
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if(defined($prv_baseport)){
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$oid_next{$oid.".2.".$prv_baseport}=
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$oid.".2.".$baseport;
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}
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$prv_baseport=$baseport;
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$baseport++;
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}
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if ( $prv_baseport and $first_baseport ) {
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$oid_next{$oid.".1.".$prv_baseport}=$oid.".2.".$first_baseport;
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$oid_next{$oid.".2.".$prv_baseport}=".1.3.6.1.2.1.17.2.1";
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}
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undef $prv_baseport;
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undef $first_baseport;
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}
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sub stpproperties()
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{
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my $bridge = shift;
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my $dir = $netdir.$bridge."/bridge/";
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@stpprops = ( { oid => ".1.3.6.1.2.1.17.2.1",
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flags => STP_PROP_VALUE,
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value => "3",
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type => ASN_INTEGER,
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nextoid => ".1.3.6.1.2.1.17.2.2" },
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{ oid => ".1.3.6.1.2.1.17.2.2",
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flags => STP_PROP_FILE | STP_PROP_DEC,
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value => $dir."priority",
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type => ASN_INTEGER,
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nextoid => ".1.3.6.1.2.1.17.2.3" },
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{ oid => ".1.3.6.1.2.1.17.2.3",
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flags => STP_PROP_FILE | STP_PROP_DEC,
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value => $dir."topology_change_timer",
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type => ASN_TIMETICKS,
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nextoid => ".1.3.6.1.2.1.17.2.4" },
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{ oid => ".1.3.6.1.2.1.17.2.4",
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flags => STP_PROP_FILE | STP_PROP_DEC,
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value => $dir."topology_change",
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type => ASN_COUNTER,
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nextoid => ".1.3.6.1.2.1.17.2.5" },
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{ oid => ".1.3.6.1.2.1.17.2.5",
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flags => STP_PROP_FILE | STP_PROP_DEC,
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value => $dir."root_id",
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type => ASN_OCTET_STR,
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nextoid => ".1.3.6.1.2.1.17.2.6" },
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{ oid => ".1.3.6.1.2.1.17.2.6",
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flags => STP_PROP_FILE | STP_PROP_DEC,
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value => $dir."root_path_cost",
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type => ASN_INTEGER,
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nextoid => ".1.3.6.1.2.1.17.2.7" },
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{ oid => ".1.3.6.1.2.1.17.2.7",
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flags => STP_PROP_FILE | STP_PROP_DEC,
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value => $dir."root_port",
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type => ASN_INTEGER,
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nextoid => ".1.3.6.1.2.1.17.2.8" },
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{ oid => ".1.3.6.1.2.1.17.2.8",
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flags => STP_PROP_FILE | STP_PROP_DEC,
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value => $dir."max_age",
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type => ASN_INTEGER,
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nextoid => ".1.3.6.1.2.1.17.2.9" },
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{ oid => ".1.3.6.1.2.1.17.2.9",
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flags => STP_PROP_FILE | STP_PROP_DEC,
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value => $dir."hello_time",
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type => ASN_INTEGER,
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nextoid => ".1.3.6.1.2.1.17.2.11" },
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# TODO ...17.2.10
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{ oid => ".1.3.6.1.2.1.17.2.11",
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flags => STP_PROP_FILE | STP_PROP_DEC,
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value => $dir."forward_delay",
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type => ASN_INTEGER,
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nextoid => ".1.3.6.1.2.1.17.2.12" },
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{ oid => ".1.3.6.1.2.1.17.2.12",
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flags => STP_PROP_FILE | STP_PROP_DEC,
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value => $dir."max_age",
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type => ASN_INTEGER,
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nextoid => ".1.3.6.1.2.1.17.2.13" },
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{ oid => ".1.3.6.1.2.1.17.2.13",
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flags => STP_PROP_FILE | STP_PROP_DEC,
|
|
value => $dir."hello_time",
|
|
type => ASN_INTEGER,
|
|
nextoid => ".1.3.6.1.2.1.17.2.14" },
|
|
{ oid => ".1.3.6.1.2.1.17.2.14",
|
|
flags => STP_PROP_FILE | STP_PROP_DEC,
|
|
value => $dir."forward_delay",
|
|
type => ASN_INTEGER,
|
|
nextoid => ".1.3.6.1.2.1.17.2.15.1.1.1" },
|
|
);
|
|
|
|
for ($i=0; $i <= $#stpprops; $i++) {
|
|
my %props = %{$stpprops[$i]};
|
|
$oid = $props{'oid'};
|
|
if ( $props{'flags'} & STP_PROP_VALUE,) {
|
|
$oid_value{$oid} = $props{'value'};
|
|
}
|
|
if ( $props{'flags'} & STP_PROP_FILE,) {
|
|
$oid_value{$oid} =
|
|
readfile($props{'value'},
|
|
$props{'flags'});
|
|
}
|
|
$oid_type{$oid} = $props{'type'};
|
|
$oid_next{$oid} = $props{'nextoid'};
|
|
}
|
|
}
|
|
|
|
sub stpportproperties
|
|
{
|
|
my $bridge = shift;
|
|
my $brifdir = $netdir.$bridge."/brif/";
|
|
my ($baseport, $first_baseport, $prev_baseport);
|
|
|
|
$oid='.1.3.6.1.2.1.17.2.15.1';
|
|
|
|
foreach my $port (keys %{$interfaces{$bridge}}) {
|
|
$baseport = $baseports{$bridge}{$port};
|
|
|
|
unless(defined($first_baseport)){
|
|
$first_baseport=$baseport;
|
|
$oid_next{$oid.".1"}=$oid.".1.".$baseport;
|
|
$oid_next{$oid.".2"}=$oid.".2.".$baseport;
|
|
}
|
|
|
|
my $interface = $interfaces{$bridge}{$port};
|
|
my $ifdir = $brifdir.$interface;
|
|
|
|
# dot1dStpPort
|
|
$oid_value{$oid.".1.".$baseport}=$baseport;
|
|
$oid_type{$oid.".1.".$baseport}=ASN_INTEGER;
|
|
if(defined($prev_baseport)){
|
|
$oid_next{$oid.".1.".$prev_baseport}=
|
|
$oid.".1.".$baseport;
|
|
}
|
|
|
|
# dot1dStpPortPriority
|
|
$oid_value{$oid.".2.".$baseport}=readfile($ifdir."/priority", 0);
|
|
$oid_type{$oid.".2.".$baseport}=ASN_INTEGER;
|
|
if(defined($prev_baseport)){
|
|
$oid_next{$oid.".2.".$prev_baseport}=
|
|
$oid.".2.".$baseport;
|
|
}
|
|
|
|
# dot1dStpPortState
|
|
my @translation = (1, 3, 4, 5, 2);
|
|
my $state = readfile($ifdir."/state", 0);
|
|
$oid_value{$oid.".3.".$baseport}=$translation[$state];
|
|
$oid_type{$oid.".3.".$baseport}=ASN_INTEGER;
|
|
if(defined($prev_baseport)){
|
|
$oid_next{$oid.".3.".$prev_baseport}=
|
|
$oid.".3.".$baseport;
|
|
}
|
|
|
|
# dot1dStpPortEnable
|
|
@translation = (2, 1, 1, 1, 1);
|
|
$oid_value{$oid.".4.".$baseport}=$translation[$state];
|
|
$oid_type{$oid.".4.".$baseport}=ASN_INTEGER;
|
|
if(defined($prev_baseport)){
|
|
$oid_next{$oid.".4.".$prev_baseport}=
|
|
$oid.".4.".$baseport;
|
|
}
|
|
|
|
# dot1dStpPortPathCost
|
|
$oid_value{$oid.".5.".$baseport}=readfile($ifdir."/path_cost", 0);
|
|
$oid_type{$oid.".5.".$baseport}=ASN_INTEGER;
|
|
if(defined($prev_baseport)){
|
|
$oid_next{$oid.".5.".$prev_baseport}=
|
|
$oid.".5.".$baseport;
|
|
}
|
|
|
|
# dot1dStpPortDesignatedRoot
|
|
$oid_value{$oid.".6.".$baseport}=readfile($ifdir."/designated_root", 0);
|
|
$oid_type{$oid.".6.".$baseport}=ASN_OCTET_STR;
|
|
if(defined($prev_baseport)){
|
|
$oid_next{$oid.".6.".$prev_baseport}=
|
|
$oid.".6.".$baseport;
|
|
}
|
|
|
|
# dot1dStpPortDesignatedCost
|
|
$oid_value{$oid.".7.".$baseport}=readfile($ifdir."/designated_cost", 0);
|
|
$oid_type{$oid.".7.".$baseport}=ASN_INTEGER;
|
|
if(defined($prev_baseport)){
|
|
$oid_next{$oid.".7.".$prev_baseport}=
|
|
$oid.".7.".$baseport;
|
|
}
|
|
|
|
# dot1dStpPortDesignatedBridge
|
|
$oid_value{$oid.".8.".$baseport}=readfile($ifdir."/designated_bridge", 0);
|
|
$oid_type{$oid.".8.".$baseport}=ASN_OCTET_STR;
|
|
if(defined($prev_baseport)){
|
|
$oid_next{$oid.".8.".$prev_baseport}=
|
|
$oid.".8.".$baseport;
|
|
}
|
|
|
|
# dot1dStpPortDesignatedPort
|
|
$oid_value{$oid.".9.".$baseport}=readfile($ifdir."/designated_port", 0);
|
|
$oid_type{$oid.".9.".$baseport}=ASN_OCTET_STR;
|
|
if(defined($prev_baseport)){
|
|
$oid_next{$oid.".9.".$prev_baseport}=
|
|
$oid.".9.".$baseport;
|
|
}
|
|
|
|
# dot1dStpPortForwardTransitions (no value in bridge module)
|
|
|
|
# dot1dStpPortPathCost32
|
|
$oid_value{$oid.".11.".$baseport}=readfile($ifdir."/path_cost", 0);
|
|
$oid_type{$oid.".11.".$baseport}=ASN_INTEGER;
|
|
if(defined($prev_baseport)){
|
|
$oid_next{$oid.".11.".$prev_baseport}=
|
|
$oid.".11.".$baseport;
|
|
}
|
|
|
|
|
|
$prev_baseport=$baseport;
|
|
}
|
|
|
|
if ( $prev_baseport and $first_baseport ) {
|
|
$oid_next{$oid.".1.".$prev_baseport}=$oid.".2.".$first_baseport;
|
|
$oid_next{$oid.".2.".$prev_baseport}=$oid.".3.".$first_baseport;
|
|
$oid_next{$oid.".3.".$prev_baseport}=$oid.".4.".$first_baseport;
|
|
$oid_next{$oid.".4.".$prev_baseport}=$oid.".5.".$first_baseport;
|
|
$oid_next{$oid.".5.".$prev_baseport}=$oid.".6.".$first_baseport;
|
|
$oid_next{$oid.".6.".$prev_baseport}=$oid.".7.".$first_baseport;
|
|
$oid_next{$oid.".7.".$prev_baseport}=$oid.".8.".$first_baseport;
|
|
$oid_next{$oid.".8.".$prev_baseport}=$oid.".9.".$first_baseport;
|
|
$oid_next{$oid.".9.".$prev_baseport}=$oid.".11.".$first_baseport;
|
|
$oid_next{$oid.".11.".$prev_baseport}=".1.3.6.1.2.1.17.4.1";
|
|
}
|
|
|
|
$oid = $oid.".11.".$prev_baseport;
|
|
|
|
undef $prev_baseport;
|
|
undef $first_baseport;
|
|
|
|
}
|
|
|
|
sub dot1dTpproperties()
|
|
{
|
|
@stpprops = ( { oid => ".1.3.6.1.2.1.17.4.1",
|
|
flags => STP_PROP_VALUE,
|
|
value => "0",
|
|
type => ASN_COUNTER,
|
|
nextoid => ".1.3.6.1.2.1.17.4.2" },
|
|
{ oid => ".1.3.6.1.2.1.17.4.2",
|
|
flags => STP_PROP_VALUE,
|
|
value => "300",
|
|
type => ASN_INTEGER,
|
|
nextoid => ".1.3.6.1.2.1.17.4.3" },
|
|
);
|
|
|
|
for ($i=0; $i <= $#stpprops; $i++) {
|
|
my %props = %{$stpprops[$i]};
|
|
$oid = $props{'oid'};
|
|
if ( $props{'flags'} & STP_PROP_VALUE,) {
|
|
$oid_value{$oid} = $props{'value'};
|
|
}
|
|
if ( $props{'flags'} & STP_PROP_FILE,) {
|
|
$oid_value{$oid} =
|
|
readfile($props{'value'},
|
|
$props{'flags'});
|
|
}
|
|
$oid_type{$oid} = $props{'type'};
|
|
$oid_next{$oid} = $props{'nextoid'};
|
|
}
|
|
}
|
|
|
|
sub portproperties
|
|
{
|
|
my $bridge = shift;
|
|
my ($baseport, $first_baseport, $prev_baseport);
|
|
|
|
$oid='.1.3.6.1.2.1.17.4.4.1';
|
|
|
|
foreach my $port (keys %{$interfaces{$bridge}}) {
|
|
$baseport = $baseports{$bridge}{$port};
|
|
|
|
unless(defined($first_baseport)){
|
|
$first_baseport=$baseport;
|
|
$oid_next{$oid.".1"}=$oid.".1.".$baseport;
|
|
$oid_next{$oid.".2"}=$oid.".2.".$baseport;
|
|
}
|
|
|
|
my $interface = $interfaces{$bridge}{$port};
|
|
my $ifdir = $netdir.$interface;
|
|
|
|
# dot1dTpPort
|
|
$oid_value{$oid.".1.".$baseport}=$baseport;
|
|
$oid_type{$oid.".1.".$baseport}=ASN_INTEGER;
|
|
if(defined($prev_baseport)){
|
|
$oid_next{$oid.".1.".$prev_baseport}=
|
|
$oid.".1.".$baseport;
|
|
}
|
|
|
|
# dot1dTpPortMaxInfo
|
|
$oid_value{$oid.".2.".$baseport}=readfile($ifdir."/mtu", 0);
|
|
$oid_type{$oid.".2.".$baseport}=ASN_INTEGER;
|
|
if(defined($prev_baseport)){
|
|
$oid_next{$oid.".2.".$prev_baseport}=
|
|
$oid.".2.".$baseport;
|
|
}
|
|
|
|
# dot1dTpPortInFrames
|
|
$oid_value{$oid.".3.".$baseport}=readfile($ifdir."/statistics/rx_packets", 0);
|
|
$oid_type{$oid.".3.".$baseport}=ASN_COUNTER;
|
|
if(defined($prev_baseport)){
|
|
$oid_next{$oid.".3.".$prev_baseport}=
|
|
$oid.".3.".$baseport;
|
|
}
|
|
|
|
# dot1dTpPortOutFrames
|
|
$oid_value{$oid.".4.".$baseport}=readfile($ifdir."/statistics/tx_packets", 0);
|
|
$oid_type{$oid.".4.".$baseport}=ASN_COUNTER;
|
|
if(defined($prev_baseport)){
|
|
$oid_next{$oid.".4.".$prev_baseport}=
|
|
$oid.".4.".$baseport;
|
|
}
|
|
|
|
# dot1dTpPortInDiscards
|
|
$oid_value{$oid.".5.".$baseport}=readfile($ifdir."/statistics/rx_dropped", 0);
|
|
$oid_type{$oid.".5.".$baseport}=ASN_COUNTER;
|
|
if(defined($prev_baseport)){
|
|
$oid_next{$oid.".5.".$prev_baseport}=
|
|
$oid.".5.".$baseport;
|
|
}
|
|
|
|
$prev_baseport=$baseport;
|
|
}
|
|
|
|
if ( $prev_baseport and $first_baseport ) {
|
|
$oid_next{$oid.".1.".$prev_baseport}=$oid.".2.".$first_baseport;
|
|
$oid_next{$oid.".2.".$prev_baseport}=$oid.".3.".$first_baseport;
|
|
$oid_next{$oid.".3.".$prev_baseport}=$oid.".4.".$first_baseport;
|
|
$oid_next{$oid.".4.".$prev_baseport}=$oid.".5.".$first_baseport;
|
|
$oid_next{$oid.".5.".$prev_baseport}=".1.3.6.1.2.1.17.5.1";
|
|
}
|
|
|
|
$oid = $oid.".5.".$prev_baseport;
|
|
|
|
undef $prev_baseport;
|
|
undef $first_baseport;
|
|
}
|
|
|
|
sub dot1qbase()
|
|
{
|
|
my $bridge = shift;
|
|
|
|
my $oid=".1.3.6.1.2.1.17.7.1.1";
|
|
$oid_next{".1.3.6.1.2.1.17.7"}=$oid.".1";
|
|
$oid_next{".1.3.6.1.2.1.17.7.1"}=$oid.".1";
|
|
|
|
$oid_value{$oid.".1"}=1;
|
|
$oid_type{$oid.".1"}=ASN_INTEGER;
|
|
$oid_next{$oid.".1"}=$oid.".2";
|
|
|
|
$oid_value{$oid.".2"}=4094;
|
|
$oid_type{$oid.".2"}=ASN_UNSIGNED;
|
|
$oid_next{$oid.".2"}=$oid.".3";
|
|
|
|
$oid_value{$oid.".3"}=4094;
|
|
$oid_type{$oid.".3"}=ASN_UNSIGNED;
|
|
$oid_next{$oid.".3"}=$oid.".4";
|
|
|
|
$oid_value{$oid.".4"}=0; # filled in by currentvlans
|
|
$oid_type{$oid.".4"}=ASN_UNSIGNED;
|
|
$oid_next{$oid.".4"}=$oid.".5";
|
|
|
|
$oid_value{$oid.".5"}=2;
|
|
$oid_type{$oid.".5"}=ASN_INTEGER;
|
|
$oid_next{$oid.".5"}=0; # filled in by dot1qfdb
|
|
|
|
}
|
|
|
|
sub dot1qfdb()
|
|
{
|
|
my $bridge = shift;
|
|
|
|
my $oid=".1.3.6.1.2.1.17.7.1.2";
|
|
foreach my $vlan (sort {$a<=>$b} keys %vlans){
|
|
unless(defined($first_vlan)){
|
|
$first_vlan=$vlan;
|
|
$oid_next{".1.3.6.1.2.1.17.7.1.1.5"}=$oid.".1.1.".$vlan;
|
|
$oid_next{$oid}=$oid.".1.1.".$vlan;
|
|
$oid_next{$oid.".1"}=$oid.".1.1.".$vlan;
|
|
$oid_next{$oid.".1.1"}=$oid.".1.1.".$vlan;
|
|
$oid_next{$oid.".1.2"}=$oid.".1.2.".$vlan;
|
|
}
|
|
|
|
$oid_value{$oid.".1.1.".$vlan}=$vlan;
|
|
$oid_type{$oid.".1.1.".$vlan}=ASN_UNSIGNED;
|
|
if(defined($prv_vlan)){
|
|
$oid_next{$oid.".1.1.".$prv_vlan}=$oid.".1.1.".$vlan;
|
|
}
|
|
|
|
$oid_value{$oid.".1.2.".$vlan}=0; # to be filled later
|
|
$oid_type{$oid.".1.2.".$vlan}=ASN_COUNTER;
|
|
if(defined($prv_vlan)){
|
|
$oid_next{$oid.".1.2.".$prv_vlan}=$oid.".1.2.".$vlan;
|
|
}
|
|
|
|
$prv_vlan=$vlan;
|
|
}
|
|
if($prv_vlan and $first_vlan){
|
|
$oid_next{$oid.".1.1.".$prv_vlan}=$oid.".1.2.".$first_vlan;
|
|
$oid_next{$oid.".1.2.".$prv_vlan}=0; # to be filled later
|
|
}
|
|
|
|
my %macvlan=();
|
|
my %vlanmac=();
|
|
|
|
foreach my $vlan (sort {$a<=>$b} keys %vlans){
|
|
my $count=0;
|
|
foreach my $mac (sort {$a cmp $b} keys %macs) {
|
|
my $vbridge=$bridge."_vlan".$vlan;
|
|
next unless(defined($macs{$mac}{$vbridge}));
|
|
$count++;
|
|
my $mac_oid=mac2oid($mac);
|
|
$macvlan{$vlan.$mac_oid}=$mac;
|
|
$vlanmac{$vlan.$mac_oid}=$vlan;
|
|
}
|
|
$oid_value{$oid.".1.2.".$vlan}=$count;
|
|
}
|
|
|
|
foreach my $vmac_oid (sort {$a cmp $b} keys %vlanmac){
|
|
my $mac=$macvlan{$vmac_oid};
|
|
my $vlan=$vlanmac{$vmac_oid};
|
|
|
|
#print "VMAC: $vmac_oid ($vlan:$mac)\n";
|
|
unless(defined($first_vmac_oid)){
|
|
$first_vmac_oid=$vmac_oid;
|
|
$oid_next{$oid.".1.2.".$prv_vlan}=$oid.".2.1.".$vmac_oid;
|
|
$oid_next{$oid.".2"}=$oid.".2.1.".$vmac_oid;
|
|
$oid_next{$oid.".2.1"}=$oid.".2.1.".$vmac_oid;
|
|
$oid_next{$oid.".2.2"}=$oid.".2.2.".$vmac_oid;
|
|
$oid_next{$oid.".2.3"}=$oid.".2.3.".$vmac_oid;
|
|
}
|
|
|
|
my $port=$macs{$mac}{$bridge};
|
|
my $baseport=$baseports{$bridge}{$port};
|
|
my $status=$locals{$mac}{$bridge};
|
|
my $age=$ages{$mac}{$bridge};
|
|
|
|
print "VLAN $vlan: $mac -> $port:$baseport ($status, $age)\n";
|
|
|
|
$oid_value{$oid.".2.1.".$vmac_oid}=mac2hex($mac);
|
|
$oid_type{$oid.".2.1.".$vmac_oid}=ASN_OCTET_STR;
|
|
if(defined($prv_vmac_oid)){
|
|
$oid_next{$oid.".2.1.".$prv_vmac_oid}=$oid.".2.1.".$vmac_oid;
|
|
}
|
|
|
|
$oid_value{$oid.".2.2.".$vmac_oid}=$baseport;
|
|
$oid_type{$oid.".2.2.".$vmac_oid}=ASN_INTEGER;
|
|
if(defined($prv_vmac_oid)){
|
|
$oid_next{$oid.".2.2.".$prv_vmac_oid}=$oid.".2.2.".$vmac_oid;
|
|
}
|
|
|
|
$oid_value{$oid.".2.3.".$vmac_oid}=$status;
|
|
$oid_type{$oid.".2.3.".$vmac_oid}=ASN_INTEGER;
|
|
if(defined($prv_vmac_oid)){
|
|
$oid_next{$oid.".2.3.".$prv_vmac_oid}=$oid.".2.3.".$vmac_oid;
|
|
}
|
|
$prv_vmac_oid=$vmac_oid;
|
|
}
|
|
|
|
if ($prv_vmac_oid and $first_vmac_oid) {
|
|
$oid_next{$oid.".2.1.".$prv_vmac_oid}=$oid.".2.2.".$first_vmac_oid;
|
|
$oid_next{$oid.".2.2.".$prv_vmac_oid}=$oid.".2.3.".$first_vmac_oid;
|
|
$oid_next{$oid.".2.3.".$prv_vmac_oid}=".1.3.6.1.2.1.17.7.1.4.1";
|
|
}
|
|
|
|
undef $first_vmac_oid;
|
|
undef $prv_vmac_oid;
|
|
|
|
undef $first_vlan;
|
|
undef $prv_vlan;
|
|
}
|
|
|
|
sub dot1qcurrentvlans()
|
|
{
|
|
my $bridge = shift;
|
|
|
|
|
|
my $oid=".1.3.6.1.2.1.17.7.1.4.1";
|
|
$oid_next{".1.3.6.1.2.1.17.7.1.4"}=$oid;
|
|
|
|
$oid_value{$oid}=0; # can't keep track of this info
|
|
$oid_type{$oid}=ASN_COUNTER;
|
|
|
|
my $count=0;
|
|
$oid=".1.3.6.1.2.1.17.7.1.4.2";
|
|
foreach my $vlan (sort {$a<=>$b} keys %vlans){
|
|
$count++;
|
|
my @allports=();
|
|
my @untaggedports=();
|
|
foreach my $port (keys %{$vlans{$vlan}}){
|
|
$baseport=$baseports{$bridge}{$port};
|
|
push @allports, $baseport;
|
|
push @untaggedports, $baseport
|
|
unless($tagged{$vlan}{$port});
|
|
}
|
|
#print "ADDING: vlan $vlan (@allports, @untaggedports)\n";
|
|
unless(defined($first_vlan)){
|
|
$first_vlan=$vlan;
|
|
$oid_next{".1.3.6.1.2.1.17.7.1.4.1"}=$oid.".1.0.".$vlan;
|
|
$oid_next{$oid}=$oid.".1.0.".$vlan;
|
|
$oid_next{$oid.".1"}=$oid.".1.0.".$vlan;
|
|
$oid_next{$oid.".2"}=$oid.".2.0.".$vlan;
|
|
$oid_next{$oid.".3"}=$oid.".3.0.".$vlan;
|
|
$oid_next{$oid.".4"}=$oid.".4.0.".$vlan;
|
|
$oid_next{$oid.".5"}=$oid.".5.0.".$vlan;
|
|
$oid_next{$oid.".6"}=$oid.".6.0.".$vlan;
|
|
$oid_next{$oid.".7"}=$oid.".7.0.".$vlan;
|
|
}
|
|
|
|
$oid_value{$oid.".1.0.".$vlan}=0; # can't keep track of this
|
|
$oid_type{$oid.".1.0.".$vlan}=ASN_TIMETICKS;
|
|
if(defined($prv_vlan)){
|
|
$oid_next{$oid.".1.0.".$prv_vlan}=$oid.".1.0.".$vlan;
|
|
}
|
|
|
|
$oid_value{$oid.".2.0.".$vlan}=$vlan;
|
|
$oid_type{$oid.".2.0.".$vlan}=ASN_UNSIGNED;
|
|
if(defined($prv_vlan)){
|
|
$oid_next{$oid.".2.0.".$prv_vlan}=$oid.".2.0.".$vlan;
|
|
}
|
|
|
|
$oid_value{$oid.".3.0.".$vlan}=$vlan;
|
|
$oid_type{$oid.".3.0.".$vlan}=ASN_UNSIGNED;
|
|
if(defined($prv_vlan)){
|
|
$oid_next{$oid.".3.0.".$prv_vlan}=$oid.".3.0.".$vlan;
|
|
}
|
|
|
|
$oid_value{$oid.".4.0.".$vlan}=getportlist(@allports);
|
|
$oid_type{$oid.".4.0.".$vlan}=ASN_OCTET_STR;
|
|
if(defined($prv_vlan)){
|
|
$oid_next{$oid.".4.0.".$prv_vlan}=$oid.".4.0.".$vlan;
|
|
}
|
|
|
|
$oid_value{$oid.".5.0.".$vlan}=getportlist(@untaggedports);
|
|
$oid_type{$oid.".5.0.".$vlan}=ASN_OCTET_STR;
|
|
if(defined($prv_vlan)){
|
|
$oid_next{$oid.".5.0.".$prv_vlan}=$oid.".5.0.".$vlan;
|
|
}
|
|
|
|
$oid_value{$oid.".6.0.".$vlan}=1;
|
|
$oid_type{$oid.".6.0.".$vlan}=ASN_INTEGER;
|
|
if(defined($prv_vlan)){
|
|
$oid_next{$oid.".6.0.".$prv_vlan}=$oid.".6.0.".$vlan;
|
|
}
|
|
|
|
$oid_value{$oid.".7.0.".$vlan}=0;
|
|
$oid_type{$oid.".7.0.".$vlan}=ASN_TIMETICKS;
|
|
if(defined($prv_vlan)){
|
|
$oid_next{$oid.".7.0.".$prv_vlan}=$oid.".7.0.".$vlan;
|
|
}
|
|
$prv_vlan=$vlan;
|
|
}
|
|
|
|
$oid_value{".1.3.6.1.2.1.17.7.1.1.4"}=$count;
|
|
if($prv_vlan and $first_vlan){
|
|
$oid_next{$oid.".1.0.".$prv_vlan}=$oid.".2.0.".$first_vlan;
|
|
$oid_next{$oid.".2.0.".$prv_vlan}=$oid.".3.0.".$first_vlan;
|
|
$oid_next{$oid.".3.0.".$prv_vlan}=$oid.".4.0.".$first_vlan;
|
|
$oid_next{$oid.".4.0.".$prv_vlan}=$oid.".5.0.".$first_vlan;
|
|
$oid_next{$oid.".5.0.".$prv_vlan}=$oid.".6.0.".$first_vlan;
|
|
$oid_next{$oid.".6.0.".$prv_vlan}=$oid.".7.0.".$first_vlan;
|
|
$oid_next{$oid.".7.0.".$prv_vlan}=".1.3.6.1.2.1.17.7.1.4.3";
|
|
}
|
|
|
|
undef $prv_vlan;
|
|
undef $first_vlan;
|
|
|
|
}
|
|
|
|
sub readforwards()
|
|
{
|
|
my $bridge = shift;
|
|
my $fdb=$netdir.$bridge."/brforward";
|
|
|
|
open(FWD, $fdb) or return -1;
|
|
while(sysread(FWD, $data, 20)){
|
|
my $mac;
|
|
my ($b1,$b2,$b3,$b4,$b5,$b6,$port,$local,$age,$hi)=
|
|
unpack("C6 C C L C x3", $data);
|
|
$mac=sprintf("%.2x:%.2x:%.2x:%.2x:%.2x:%.2x",
|
|
$b1,$b2,$b3,$b4,$b5,$b6);
|
|
$age=$age/100;
|
|
$macs{$mac}{$bridge}=$port;
|
|
$ages{$mac}{$bridge}=$age;
|
|
$locals{$mac}{$bridge}=FDB_STATUS_LEARNED;
|
|
next if ($local);
|
|
$macs{$mac}{$bridge}=$bridge;
|
|
$locals{$mac}{$bridge}=FDB_STATUS_SELF;
|
|
}
|
|
close(FWD);
|
|
}
|
|
|
|
sub readindexes()
|
|
{
|
|
my $bridge = shift;
|
|
|
|
my $brifdir=$netdir.$bridge."/brif/";
|
|
|
|
opendir(DIR, $brifdir) or return -1;
|
|
my @interfaces = readdir(DIR);
|
|
next if ($#interfaces lt 2);
|
|
foreach my $if (@interfaces) {
|
|
next if $if eq ".";
|
|
next if $if eq "..";
|
|
|
|
my $port=hex(readfile($brifdir.$if."/port_no", 0));
|
|
my $index=readfile($netdir.$if."/ifindex", 0);
|
|
|
|
$indexes{$bridge}{$port}=$index;
|
|
$interfaces{$bridge}{$port}=$if;
|
|
}
|
|
|
|
$indexes{$bridge}{$bridge}=readfile($netdir.$bridge."/ifindex", 0);
|
|
|
|
close(DIR);
|
|
}
|
|
|
|
sub readvlans()
|
|
{
|
|
my $bridge = shift;
|
|
my $brifdir = $netdir.$bridge."/brif/";
|
|
my %ifs;
|
|
|
|
opendir(DIR, $brifdir) or return -1;
|
|
my @interfaces = readdir(DIR);
|
|
return if ($#interfaces < 2);
|
|
foreach my $if (@interfaces) {
|
|
next if $if eq ".";
|
|
next if $if eq "..";
|
|
$ifs{$if}=1;
|
|
}
|
|
close(DIR);
|
|
|
|
opendir(DIR, $netdir) or return -1;
|
|
@interfaces = readdir(DIR);
|
|
return 0 if ($#interfaces < 2);
|
|
foreach my $if (@interfaces) {
|
|
next if $if eq ".";
|
|
next if $if eq "..";
|
|
next unless($if=~/^(.*)\.(\d+)$/);
|
|
my $pif=$1;
|
|
my $vlan=$2;
|
|
next unless(defined($ifs{$pif}));
|
|
tracevlan($vlan, $if, $bridge);
|
|
}
|
|
close(DIR);
|
|
}
|
|
|
|
sub tracevlan{
|
|
my ($vlan, $interface, $bridge)=@_;
|
|
|
|
my $brifdir=$netdir.$interface."/brport/bridge/brif/";
|
|
|
|
opendir(DIR, $brifdir) or return -1;
|
|
my @interfaces = readdir(DIR);
|
|
return if ($#interfaces < 2);
|
|
foreach my $if (@interfaces) {
|
|
next if $if eq ".";
|
|
next if $if eq "..";
|
|
my $port;
|
|
my $index;
|
|
if($if=~/^(.*)\.(\d+)$/){
|
|
my $pif=$1;
|
|
$brifdir=$netdir.$pif."/brport/bridge/brif/";
|
|
$port=hex(readfile($brifdir.$pif."/port_no", 0));
|
|
$index=readfile($netdir.$pif."/ifindex", 0);
|
|
#$indexes{$bridge}{$port}=$index;
|
|
#$interfaces{$bridge}{$port}=$if;
|
|
$tagged{$vlan}{$port}=1;
|
|
}else{
|
|
my $brid=readfile($netdir.$if."/brport/bridge/ifindex", 0);
|
|
$brifdir=$netdir.$if."/brport/bridge/brif/";
|
|
$port=hex(readfile($brifdir.$if."/port_no", 0));
|
|
$port=$brid*1000+$port; #create a unique port number
|
|
$index=readfile($netdir.$if."/ifindex", 0);
|
|
$indexes{$bridge}{$port}=$index;
|
|
$interfaces{$bridge}{$port}=$if;
|
|
$tagged{$vlan}{$port}=0;
|
|
}
|
|
$vlans{$vlan}{$port}=1;
|
|
#print "VLAN: $vlan -> $if ($port <-> $index)\n";
|
|
}
|
|
close(DIR);
|
|
|
|
my $brid=readfile($netdir.$interface."/brport/bridge/ifindex", 0);
|
|
my $fdb=$netdir.$interface."/brport/bridge/brforward";
|
|
|
|
my $vbridge=$bridge."_vlan".$vlan;
|
|
open(FWD, $fdb) or return -1;
|
|
while(sysread(FWD, $data, 20)){
|
|
my $mac;
|
|
my ($b1,$b2,$b3,$b4,$b5,$b6,$port,$local,$age,$hi)=
|
|
unpack("C6 C C L C x3", $data);
|
|
$mac=sprintf("%.2x:%.2x:%.2x:%.2x:%.2x:%.2x",
|
|
$b1,$b2,$b3,$b4,$b5,$b6);
|
|
$port=$brid*1000+$port unless(defined($indexes{$bridge}{$port})); #create a unique port number
|
|
$age=$age/100;
|
|
#$macs{$mac}{$bridge}=$port;
|
|
$macs{$mac}{$vbridge}=$port;
|
|
#$ages{$mac}{$bridge}=$age;
|
|
$ages{$mac}{$vbridge}=$age;
|
|
#$locals{$mac}{$bridge}=FDB_STATUS_LEARNED;
|
|
$locals{$mac}{$vbridge}=FDB_STATUS_LEARNED;
|
|
next if ($local);
|
|
#$macs{$mac}{$bridge}=$bridge;
|
|
$macs{$mac}{$vbridge}=$bridge;
|
|
#$locals{$mac}{$bridge}=FDB_STATUS_SELF;
|
|
$locals{$mac}{$vbridge}=FDB_STATUS_SELF;
|
|
}
|
|
close(FWD);
|
|
}
|
|
|
|
sub readfile()
|
|
{
|
|
my $file = shift;
|
|
my $flags = shift;
|
|
|
|
open(FILE, $file) or print "Could not open file $file !\n";
|
|
my $value=<FILE>;
|
|
chomp $value;
|
|
close(FILE);
|
|
|
|
if ($flags & STP_PROP_HEX) {
|
|
return hex($value);
|
|
}
|
|
|
|
return $value;
|
|
}
|
|
|
|
sub getportlist{
|
|
my @ports=@_;
|
|
my $portlist="";
|
|
|
|
@ports=sort {$a <=> $b} @ports;
|
|
my $last=1;
|
|
foreach my $port (@ports){
|
|
for(my $i=$last; $i<$port; $i++){
|
|
$portlist=$portlist."0";
|
|
}
|
|
$portlist=$portlist."1";
|
|
$last=$port+1;
|
|
}
|
|
return pack('B*',$portlist);
|
|
}
|
|
|
|
sub mac2oid{
|
|
my ($mac)=@_;
|
|
my @octets=split(/:/,$mac);
|
|
|
|
$mac="";
|
|
foreach my $octet (@octets){
|
|
$mac=$mac.".".hex($octet);
|
|
}
|
|
return $mac;
|
|
}
|
|
|
|
sub mac2hex{
|
|
my ($mac)=@_;
|
|
my @decimals;
|
|
my @octets=split(/:/,$mac);
|
|
|
|
foreach my $octet (@octets){
|
|
push @decimals, hex($octet);
|
|
}
|
|
return pack("CCCCCC", @decimals);
|
|
}
|
|
|
|
sub shutdown {
|
|
$running = 0;
|
|
}
|