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Diff for /trango/Net-Telnet-Trango/lib/Net/Telnet/Trango.pm between version 1.3 and 1.59

version 1.3, 2005/12/30 19:26:06 version 1.59, 2009/07/31 22:44:33
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 package Net::Telnet::Trango;  package Net::Telnet::Trango;
 # $RedRiver: Trango.pm,v 1.2 2005/12/30 01:02:41 andrew Exp $  
 use strict;  # $RedRiver: Trango.pm,v 1.58 2009/07/13 16:33:45 andrew Exp $
 use warnings;  use strict;
 use base 'Net::Telnet';  use warnings;
   use base 'Net::Telnet';
 =pod  
   =pod
 =head1 NAME  
   =head1 NAME
 Net::Telnet::Trango - Perl extension for accessing the Trango telnet interface  
   Net::Telnet::Trango
 =head1 SYNOPSIS  - Perl extension for accessing the Trango telnet interface
   
   use Net::Telnet::Trango;  =head1 SYNOPSIS
   my $t = new Net::Telnet::Trango ( Timeout => 5 );  
       use Net::Telnet::Trango;
   my ($type, $version) = $t->open( Host => $fox );    my $t = new Net::Telnet::Trango ( Timeout => 5 );
     
   unless (defined $type && defined $version) {    $t->open( Host => $ap ) or die "Error connecting: $!";
     die "Error connecting: $!";  
   }    $t->login('password') or die "Couldn't log in: $!";
   
   $t->login('password') or die "Couldn't log in: $!";    # Do whatever
     
   # Do whatever    $t->exit;
       $t->close;
   $t->exit;  
   $t->close;  =head1 DESCRIPTION
   
 =head1 DESCRIPTION  Perl access to the telnet interface on Trango APs and SUs.
   
 Perl access to the telnet interface on Trango Foxes, SUs and APs.  A handy feature is that it will parse the output from certain commands that is
   in the format "[key1] value1 [key2] value2" and put those in a hashref that is
 Another handy feature is that it will parse the output from certain commands that is in the format "[key1] value1 [key2] value2" and put those in a hashref that is returned.  This makes using the output from things like sysinfo very easy to do.  returned.  This makes using the output from things like sysinfo very easy to
   do.
 =head2 EXPORT  
   =head2 EXPORT
 None  
   None
 =cut  
   =head1 METHODS
 our $VERSION = '0.01';  
   =cut
 my %PRIVATE = (  
   is_connected => 0,  our $VERSION = '0.05';
   logged_in => 0,  
 );  my $EMPTY = q{};
   my $SPACE = q{ };
 =pod  
   =pod
 =head1 METHODS  
   =head2 B<new> - Creates a new Net::Telnet::Trango object.
 =head2 ACCESSORS  
       new([Options from Net::Telnet,]
 =over          [Decode => 0,]);
   
 =item Host  Same as new from L<Net::Telnet> but sets the default Trango Prompt:
   '/[\$#]>\s*\Z/'
 returns the name of the host that you are accessing  
   It also takes an optional parameter 'Decode'.  If not defined it
 =item firmware_version  defaults to 1, if it is set to 0, it will not decode the output and
   instead return a reference to an array of the lines that were returned
 returns the firmware version on the trango if available otherwise undef.    from the command.
 Available after a successful open()  
 This is usually only set internally  =cut
   
 =item host_type  sub new {
       my $class = shift;
 returns the type of host from the login banner for example M5830S or M5300S.    
 Available after a successful open()      my %args = ();
 This is usually only set internally      if ( @_ == 1 ) {
           $args{'Host'} = shift;
 =item is_connected      }
       else {
 returns 1 after a successful open() otherwise undef          %args = @_;
 This is usually only set internally      }
   
 =item logged_in      $args{'Prompt'} ||= '/[\$#]>\s*\r?\n?$/';
   
 returns 1 after a successful login() 0 if it failed and undef if      my $decode = $args{'Decode'};
 login() was never called      delete $args{'Decode'};
 This is usually only set internally  
       my $self = $class->SUPER::new(%args);
 =item login_banner      bless $self if ref $self;
   
 returns the banner that is displayed when first connected at login.  Only set after a successful open()      $args{Decode}       = defined $decode ? $decode : 1;
       $args{is_connected} = 0;
 This is usually only set internally      $args{logged_in}    = 0;
   
 =item last_lines      *$self->{net_telnet_trango} = \%args;
   
 returns the output from the last cmd() that was run as an array ref      return $self;
 This is usually only set internally  }
   
 =back  #  _password <new password> <new password>
   #  ? [command]
 =head2 ALIASES  #  apsearch <secs> <ch#> <h|v> [<ch#> <h|v>]...
   #  arp -bcast <on|off>
 =over  #  bcastscant <all|suid> <ch#> <h|v> [<ch#> <h|v> ...
   #  bye
 =item bye  #  cf2cf ap [default|<size>]
   #  date
 alias of exit()  #  date <month> <day> <year>
   #  freq scantable
 =item restart  #  freq channeltable
   #  freq writescan [<ch#> <h|v>]
 alias of reboot()  #  freq writechannel [<ch#> <freq>] ...
   #  freq <ch #> <h|v>
 =back  #  help [command]
   #  heater [<on temp> <off temp>]
 =head2 COMMANDS  #  ipconfig [<new ip> <new subnet mask> <new gateway>]
   #  linktest <suid> [<pkt len, bytes> [<# of pkts> [<# of cycle>]]]
 Most of these are just shortcuts to C<cmd(String =E<gt> METHOD)>, as such they accept the same options as C<cmd()>.  Specifically they take a named paramater "args", for example:  #  log [<# of entries, 1..179>]
 C<tftpd(args =E<gt> 'on')> would enable tftpd  #  log <sum> <# of entries, 1..179>
   #  logout
 =over  #  opmode [ap [y]]
   #  password
 =item tftpd  #  ping <ip addr>
   #  polar <h|v>
 Returns a hash ref of the decoded output from the command.  #  power <setism|setunii> <max|min|<dBm>>
   #  reboot
 Also see enable_tftpd() and disable_tftpd() as those check for correct output  #  restart
   #  remarks [<str>]
 =item ver  #  rfrxthreshold [<ism|unii> <-90|-85|-80|-75|-70|-65>]
   #  rfrxth [<ism|unii> <-90|-85|-80|-75|-70|-65>]
 Returns a hash ref of the decoded output from the command.  #  sysinfo
   #  set suid <id>
 =item sysinfo  #  set apid <id>
   #  set baseid <id>
 Returns a hash ref of the decoded output from the command.  #  set defaultopmode [<ap|su> <min,0..10>]
   #  set defaultopmode off
 =item exit  #  set snmpcomm [<read | write | trap (id or setall)> <str>]
   #  set mir [on|off]
 exits the command session with the trango and closes the connection  #  set mir threshold <kbps>
   #  set rssitarget [<ism|unii> <dBm>]
 =item reboot  #  set serviceradius [<ism | unii> <miles>]
   #  ssrssi <ch #> <h|v>
 reboots the trango and closes the connection  #  su [<suid>|all]
   #  su changechannel <all|suid> <ch#> <h|v>
 =cut  #  su ipconfig <suid> <new ip> <new subnet> <new gateway>
   #  su [live|poweroff|priority]
 #  _password <new password> <new password>  #  su <ping|info|status> <suid>
 #  ? [command]  #  su powerleveling <all|suid>
 #  apsearch <secs> <ch#> <h|v> [<ch#> <h|v>]...  #  su reboot <all|suid>
 #  arp -bcast <on|off>  #  su restart <all|suid>
 #  bcastscant <all|suid> <ch#> <h|v> [<ch#> <h|v> ...  #  su testrflink <all|suid> [r]
 #  bye  #  su testrflink <setlen> [64..1600]
 #  cf2cf ap [default|<size>]  #  su testrflink <aptx> [20..100]
 #  date  #  su sw <suid|all> <sw #> <on|off>
 #  date <month> <day> <year>  #  sudb [dload | view]
 #  freq scantable  #  sudb add <suid> pr <cir,kbps> <mir,kbps> <device id,hex>
 #  freq channeltable  #  sudb add <suid> reg <cir,kbps> <mir,kbps> <device id,hex>
 #  freq writescan [<ch#> <h|v>]  #  sudb delete <all|<suid>>
 #  freq writechannel [<ch#> <freq>] ...  #  sudb modify <suid> <cir|mir> <kbps>
 #  freq <ch #> <h|v>  #  sudb modify <suid> <su2su> <group id,hex>
 #  help [command]  #  sudb view
 #  heater [<on temp> <off temp>]  #  sulog [lastmins | sampleperiod <1..60>]
 #  ipconfig [<new ip> <new subnet mask> <new gateway>]  #  sulog [<# of entry,1..18>]
 #  log [<# of entries, 1..179>]  #  survey <ism|unii> <time, sec> <h|v>
 #  log <sum> <# of entries, 1..179>  #  sw [<sw #> <on|off>]
 #  logout  #  temp
 #  opmode [ap [y]]  #  tftpd [on|off]
 #  password  #  time
 #  ping <ip addr>  #  time <hour> <min> <sec>
 #  polar <h|v>  #  save <mainimage|fpgaimage> <current chksum> <new chksum>
 #  power <setism|setunii> <max|min|<dBm>>  #  save <systemsetting|sudb>
 #  reboot  #  updateflash <mainimage|fpgaimage> <current chksum> <new chksum>
 #  restart  #  updateflash <systemsetting|sudb>
 #  remarks [<str>]  
 #  rfrxthreshold [<ism|unii> <-90|-85|-80|-75|-70|-65>]  =pod
 #  rfrxth [<ism|unii> <-90|-85|-80|-75|-70|-65>]  
 #  sysinfo  =head1 ACCESSORS
 #  set suid <id>  
 #  set apid <id>  These are usually only set internally.
 #  set baseid <id>  
 #  set defaultopmode [<ap|su> <min,0..10>]  =head2 B<firmware_version> - returns the firmware version
 #  set defaultopmode off  
 #  set snmpcomm [<read | write | trap (id or setall)> <str>]  Returns the firmware version if available, otherwise undef.
 #  set mir [on|off]  
 #  set mir threshold <kbps>  It should be available after a successful open().
 #  set rssitarget [<ism|unii> <dBm>]  
 #  set serviceradius [<ism | unii> <miles>]  =head2 B<host_type> - return the type of host you are connected to.
 #  ssrssi <ch #> <h|v>  
 #  su [<suid>|all]  returns the type of host from the login banner for example M5830S or M5300S.
 #  su changechannel <all|suid> <ch#> <h|v>  
 #  su ipconfig <suid> <new ip> <new subnet> <new gateway>  Should be available after a successful open().
 #  su [live|poweroff|priority]  
 #  su <ping|info|status> <suid>  =head2 B<is_connected> - Status of the connection to host.
 #  su powerleveling <all|suid>  
 #  su reboot <all|suid>  returns 1 when connected, undef otherwise.
 #  su restart <all|suid>  
 #  su testrflink <all|suid> [r]  =head2 B<logged_in> - Status of being logged in to the host.
 #  su testrflink <setlen> [64..1600]  
 #  su testrflink <aptx> [20..100]  returns 1 after a successful login(), 0 if it failed and undef if
 #  su sw <suid|all> <sw #> <on|off>  login() was never called.
 #  sudb [dload | view]  
 #  sudb add <suid> pr <cir,kbps> <mir,kbps> <device id,hex>  =head2 B<login_banner> - The banner when first connecting to the host.
 #  sudb add <suid> reg <cir,kbps> <mir,kbps> <device id,hex>  
 #  sudb delete <all|<suid>>  returns the banner that is displayed when first connected at login.
 #  sudb modify <suid> <cir|mir> <kbps>  Only set after a successful open().
 #  sudb modify <suid> <su2su> <group id,hex>  
 #  sudb view  =head2 B<last_lines> - The last lines of output from the last cmd().
 #  sulog [lastmins | sampleperiod <1..60>]  
 #  sulog [<# of entry,1..18>]  returns, as an array ref, the output from the last cmd() that was run.
 #  survey <ism|unii> <time, sec> <h|v>  
 #  sw [<sw #> <on|off>]  =head2 B<last_error> - A text output of the last error that was encountered.
 #  temp  
 #  tftpd [on|off]  returns the last error reported.  Probably contains the last entry in
 #  time  last_lines.
 #  time <hour> <min> <sec>  
 #  save <mainimage|fpgaimage> <current chksum> <new chksum>  =head1 ALIASES
 #  save <systemsetting|sudb>  
 #  updateflash <mainimage|fpgaimage> <current chksum> <new chksum>  =head2 B<bye> - alias of exit()
 #  updateflash <systemsetting|sudb>  
   Does the same as exit()
   
 my $success = 'Success.';  =head2 B<restart> - alias of reboot()
 my %COMMANDS = (  
   tftpd       => { decode => 1, expect => $success },  Does the same as reboot()
   ver         => { decode => 1 },  
   sysinfo     => { decode => 1, expect => $success },  =head2 B<save_systemsetting> - alias of save_ss()
   updateflash => { decode => 1, expect => $success },  
   'exit'      => { Prompt => '//', cmd_disconnects => 1 },  Does the same as save_ss()
   reboot      => { Prompt => '//', cmd_disconnects => 1 },  
   #su password???  =head1 COMMANDS
   #_bootloader  
   #temp  Most of these are just shortcuts to C<cmd(String =E<gt> METHOD)>,
   #heater  as such they accept the same options as C<cmd()>.
 );  Specifically they take a named paramater "args", for example:
   C<tftpd(args =E<gt> 'on')> would enable tftpd
 my %ALIASES = (  
   bye     => 'exit',  =head2 B<tftpd> - The output from the tftpd command
   restart => 'reboot',  
 );  Returns a hash ref of the decoded output from the
   command.
 my %ACCESS = map { $_ => 1 } qw(  
   firmware_version  Also see enable_tftpd() and disable_tftpd() as those check that it was
   host_type  successfully changed.
   Host  
   is_connected  =head2 B<ver> - The output from the ver command
   logged_in  
   login_banner  Returns a hash ref of the decoded output from the
   Timeout  command.
   last_lines  
 );  =head2 B<sysinfo> - The output from the sysinfo command
   
 sub AUTOLOAD  Returns a hash ref of the decoded output from the
 {  command.
   my $self = shift;  
   =head2 B<exit> - Exits the connection
   my ($method) = (our $AUTOLOAD) =~ /^.*::(\w+)$/  
     or die "Weird: $AUTOLOAD";  exits the command session with the Trango and closes
   the connection
   if (exists $ALIASES{$method}) {  
     $method = $ALIASES{$method};  =head2 B<reboot> - Sends a reboot command
     return $self->$method(@_);  
   }  reboots the Trango and closes the connection
   
   if (exists $COMMANDS{$method}) {  ==head2 B<reset> <all|0..2> - Sends a reset command
     $method = shift if (@_ == 1);  
     $COMMANDS{$method}{'String'} ||= $method;  resets settings to default
     return $self->cmd(%{ $COMMANDS{$method} }, @_);  
   }  =head2 B<remarks> - Set or retrieve the remarks.
   
   if (exists $ACCESS{$method}) {  Takes an optional argument, which sets the remarks.
     my $prev = $PRIVATE{$method};  If there is no argument, returns the current remarks.
     ($PRIVATE{$method}) = @_ if @_;  
     return $prev;    my $old_remarks = $t->remarks();
   }    $t->remarks($new_remarks);
   
   $method = "SUPER::$method";  =head2 B<sulog> - The output from the sulog command
   return $self->$method(@_);  
 }  Returns an array ref of hashes containing each log
   line.
 =pod  
   =head2 B<save_sudb> - saves the sudb
 =item new  
   Returns true on success, undef on failure
 Same as new from L<Net::Telnet> but has defaults for the trango 'Prompt'  
   =head2 B<syslog> - The output from the sulog command
 =cut  
   Returns a hashref of the output from the syslog command
 sub new  
 {  =head2 B<pipe> - the pipe command
   my $class = shift;  
   Returns the output from the pipe command
   my %args;  
   if (@_ == 1) {  =head2 B<maclist> - retrieves the maclist
     $args{'Host'} = shift;  
   } else {  Returns the output from the maclist command
     %args = @_;  
   }  =head2 B<maclist_reset> - resets the maclist.
   
   $args{'Prompt'}  ||= '/#> *$/';  No useful output.
   
   foreach my $key (keys %args) {  =head2 B<eth_link> - eth link command
     $PRIVATE{$key} = $args{$key};  
   }  Returns the output from the eth link command
   
   my $self = $class->SUPER::new(%args);  This command seems to cause some weird issues.  It often will cause the
   bless $self if ref $self;  command after it to appear to fail.  I am not sure why.
   
   return $self;  =head2 B<su_info> - gets the su info
 }  
   Returns information about the SU.
 =pod  
   You need to pass in the $suid and it will return the info for that suid.
 =item open  
     $t->su_info($suid);
 Calls Net::Telnet::open() then makes sure you get a password prompt so you are ready to login() and parses the login banner so you can get host_type() and firmware_version()  
   =head2 B<su_testrflink> - tests the RF Link to an su
 =cut  
     $t->su_testrflink($suid|'all');
 sub open  
 {  =head2 B<save_ss> - saves the config.
   my $self = shift;  
   Returns 1 on success, undef on failure.
   unless ( $self->SUPER::open(@_) ) {  
     #$! = "Couldn't connect to " . $self->Host . ":  $!";  =head2 B<set_baseid> - sets baseid
     return undef;  
   }      $t->set_baseid($baseid);
   
   ## Get to login prompt  =head2 B<set_suid> - sets baseid
   unless ($self->waitfor(  
       -match => '/password: ?$/i',      $t->set_suid($baseid);
       -errmode => "return",  
     ) ) {  =head2 B<set_defaultopmode> - sets default opmode
     #$! = "problem connecting to host (" . $self->Host . "): " .  
     #    $self->lastline;      $t->set_defaultopmode(ap|su);
     return undef;  
   }  =head2 B<opmode> - sets or returns the opmode
   
   $self->parse_login_banner($self->lastline);      $t->opmode([ap y|su y]);
   
   $self->is_connected(1);  =head2 B<freq> - sets or returns the freq
   
   return $self->is_connected;      $channel = '11 v';
 }      $t->freq([$channel]);
   
 =pod  =head2 B<freq_writescan> - sets the freq writescan
   
 =item login      $channels = '11 v 11 h 12 v 12 h';
       $t->freq_writescan($channels);
 Calls open() if not already connected, then sends the password and sets logged_in() if successful  
   =head2 B<freq_scantable> - returns the freq scantable
 =cut  
       $channels = $t->freq_scantable();
 sub login      # now $channels eq '11 v 11 h 12 v 12 h';
 {  
   my $self = shift;  
   =cut
   unless ($self->is_connected) {  
     $self->open or return undef;  my $success  = 'Success\\.';
   }  my %COMMANDS = (
       _clear      => { String    => "\n" },
   my $password = shift;      tftpd       => { decode    => 'all', expect => $success },
       ver         => { decode    => 'all' },
   $self->print($password);      sysinfo     => { decode    => 'all', expect => $success },
   unless ($self->waitfor(      updateflash => { decode    => 'all', expect => $success },
     -match => $self->prompt,      sulog       => { decode    => 'sulog', expect => $success },
     -errmode => "return",      'exit'      => { no_prompt => 1, cmd_disconnects => 1 },
   ) ) {      reboot      => { no_prompt => 1, cmd_disconnects => 1 },
     #$! = "login ($self->Host) failed: " . $self->lastline;      'reset'   => {},
     return undef;      remarks   => { decode => 'all', expect => $success },
   }      save_sudb => { String => 'save sudb', expect => $success },
       syslog  => { expect => $success },
   $self->logged_in(1);      'pipe'  => {},      # XXX needs a special decode
       maclist => { decode => 'maclist' },
   return $self->logged_in;      maclist_reset => { String => 'maclist reset', expect => 'done' },
 }      eth_link      => { String => 'eth link',      expect => $success },
       su_info => { String => 'su info', decode => 'all', expect => $success },
 =pod      su_testrflink =>
           { String => 'su testrflink', decode => 'each', expect => $success },
 =item parse_login_banner      save_ss    => { String => 'save ss', expect => $success },
       set_baseid => {
 Takes a login banner (what you get when you first connect to the Trango) or reads what is already in login_banner() then parses it and sets host_type() and firmware_version() as well as login_banner()          String => 'set baseid',
           decode => 'all',
 =cut          expect => $success
       },
 sub parse_login_banner      set_suid => {
 {          String => 'set suid',
   my $self = shift;          decode => 'all',
           expect => $success
   if (@_) {      },
     $self->login_banner(@_);      set_defaultopmode => {
   }          String => 'set defaultopmode',
           decode => 'all',
   my $banner = $self->login_banner;          expect => $success
       },
   my ($type, $ver) = $banner =~      opmode => { decode => 'all',  expect => $success },
     /Welcome to Trango Broadband Wireless (\S+)[\s-]+(.+)$/i;      freq   => { decode => 'freq', expect => $success },
       freq_writescan =>
   $self->login_banner($banner);          { String => 'freq writescan', decode => 'all', expect => $success },
   $self->host_type($type);      freq_scantable =>
   $self->firmware_version($ver);          { String => 'freq scantable', decode => 'all', expect => $success },
       arq => { decode => 'all' },
   return 1;  );
 }  
   my %ALIASES = (
 =pod      bye               => 'exit',
       restart           => 'reboot',
 =item enable_tftpd      Host              => 'host',
       save_systemseting => 'save_ss',
 runs C<tftpd(args =E<gt> 'on')> and makes sure that Tftpd is now 'listen'ing  );
   
 =cut  my %ACCESS = map { $_ => 1 } qw(
       firmware_version
 sub enable_tftpd      host_type
 {      is_connected
   my $self = shift;      logged_in
       login_banner
   my $vals = $self->tftpd( args => 'on' );      Timeout
       last_lines
   if ($vals->{'Tftpd'} eq 'listen') {      last_vals
     return $vals;      last_error
   } else {      Decode
     return undef;  );
   }  
 }  sub AUTOLOAD {
       my $self = shift;
 =pod  
       my ($method) = ( our $AUTOLOAD ) =~ /^.*::(\w+)$/
 =item disable_tftpd          or die "Weird: $AUTOLOAD";
   
 runs C<tftpd(args =E<gt> 'off')> and makes sure that Tftpd is now 'disabled'      if ( exists $ALIASES{$method} ) {
           $method = $ALIASES{$method};
 =cut          return $self->$method(@_);
       }
 sub disable_tftpd  
 {      if ( exists $COMMANDS{$method} ) {
   my $self = shift;          my %cmd;
           foreach my $k ( keys %{ $COMMANDS{$method} } ) {
   my $vals = $self->tftpd( args => 'off' );              $cmd{$k} = $COMMANDS{$method}{$k};
           }
   if (ref $vals eq 'HASH' && $vals->{'Tftpd'} eq 'disabled') {          $cmd{'String'} ||= $method;
     return $vals;          $cmd{'args'} .= $SPACE . shift if ( @_ == 1 );
   } else {          return $self->cmd( %cmd, @_ );
     return undef;      }
   }  
 }      if ( exists $ACCESS{$method} ) {
           my $s    = *$self->{net_telnet_trango};
 =pod          my $prev = $s->{$method};
           ( $s->{$method} ) = @_ if @_;
 =item cmd          return $prev;
       }
 This does most of the work.  At the heart, it calls Net::Telnet::cmd() but it also does some special stuff for Trango.  
       $method = "SUPER::$method";
 Normally returns the last lines from from the command      return $self->$method(@_);
   }
 Also accepts these options:  
   =pod
 I<decode>  
 - if this is true, then it will send the output lines to _decode_lines() and then returns the decoded output  =head2 B<open> - Open a connection to a Trango AP.
   
 I<cmd_disconnects>  Calls Net::Telnet::open() then makes sure you get a password prompt so
 - if this is true, it then sets logged_in() to false, then it will close() the connection and then sets is_connected() to false  you are ready to login() and parses the login banner so you can get
   host_type() and firmware_version()
 I<expect>  
 - if this is set (usually to 'Success.') it will check for that in the last line of output and if it does not, will return undef because the command probably failed  =cut
   
 I<args>  sub open {
 - a string containing the command line options that are passed to the command      my $self = shift;
   
 =cut      unless ( $self->SUPER::open(@_) ) {
           $self->last_error( "Couldn't connect to " . $self->host . ":  $!" );
 sub cmd          return;
 {      }
   my $self = shift;  
       ## Get to login prompt
   my @valid_net_telnet_opts = qw(      unless (
     String          $self->waitfor(
     Output              -match   => '/password: ?$/i',
     Cmd_remove_mode              -errmode => "return",
     Errmode          )
     Input_record_separator          )
     Ors      {
     Output_record_separator          $self->last_error( "problem connecting to host ("
     Prompt                  . $self->host . "): "
     Rs                  . $self->lastline );
     Timeout          return;
   );      }
   
   my %cfg;      $self->parse_login_banner( $self->lastline );
   if (@_ == 2) {  
     $cfg{'String'} = shift;      $self->is_connected(1);
   } elsif (@_ > 2) {  
     %cfg = @_;      return $self->is_connected;
   }  }
   
   $cfg{'Timeout'} ||= $self->Timeout;  =pod
   
   unless ($cfg{'String'}) {  =head2 B<login> - Login to the AP.
     #$! = "No command passed";  
     #warn "No command passed\n";  Calls open() if not already connected, then sends the password and sets
     return undef;  logged_in() if successful
   }  
   =cut
   unless ($self->is_connected) {  
     #$! = "Not connected";  sub login {
     #warn "Not connected\n";      my $self = shift;
     return undef;  
   }      unless ( $self->is_connected ) {
           $self->open or return;
   unless ($self->logged_in) {      }
     #$! = "Not logged in";  
     #warn "Not logged in\n";      my $password = shift;
     return undef;  
   }      $self->print($password);
       unless (
           $self->waitfor(
   my %cmd;              -match   => $self->prompt,
   foreach (@valid_net_telnet_opts) {              -errmode => "return",
     if (exists $cfg{$_}) {          )
       $cmd{$_} = $cfg{$_};          )
     }      {
   }          $self->last_error( "login ($self->host) failed: " . $self->lastline );
   if ($cfg{'args'}) {          return;
     $cmd{'String'} .= ' ' . $cfg{'args'};      }
   }  
   my @lines = $self->SUPER::cmd(%cmd);      $self->logged_in(1);
   
   $self->last_lines(\@lines);      return $self->logged_in;
   }
   my $vals = 1;  
   if ($cfg{'decode'}) {  =pod
     $vals = _decode_lines(@lines);  
   }  =head2 B<parse_login_banner> - Converts the login_banner to something useful.
   
   Takes a login banner (what you get when you first connect to the Trango)
   my $last = $self->lastline;  or reads what is already in login_banner() then parses it and sets
   host_type() and firmware_version() as well as login_banner()
   if ((not $cfg{'expect'}) || $last =~ /$cfg{'expect'}$/) {  
     if ($cfg{'cmd_disconnects'}) {  =cut
       $self->logged_in(0);  
       $self->close;  sub parse_login_banner {
       $self->is_connected(0);      my $self = shift;
     }  
       if (@_) {
     if ($cfg{'decode'}) {          $self->login_banner(@_);
       return $vals;      }
     } else {  
       return @lines;      my $banner = $self->login_banner;
     }  
   } else {      my ( $type, $sep1, $subtype, $sep2, $ver )
     #$! = "Error with command ($cfg{'string'}): $last";          = $banner
     return undef;          =~ /Welcome to Trango Broadband Wireless,? (\S+)([\s-]+)(\S+)([\s-]+)(.+)$/i;
   }  
 }      $type .= $sep1 . $subtype;
       $ver = $subtype . $sep2 . $ver;
 #=item _decode_lines  
       $self->login_banner($banner);
 sub _decode_lines      $self->host_type($type);
 {      $self->firmware_version($ver);
   my @lines = @_;  
       return 1;
   my %conf;  }
   
   my $key = '';  =pod
   my $val = '';  
   my $in_key = 0;  =head2 B<linktest> - Link test to SU
   my $in_val = 0;  
   linktest('suid'[, 'pkt len, bytes'[, '# of pkts'[, '# of cycles']]]);
   foreach my $line (@lines) {  
     my @chars = split //, $line;  Returns a hash reference to the results of the test
   
     my $last_key = '';  =cut
     foreach my $c (@chars) {  
   sub linktest {
       if ($c eq '[' || $c eq "\r" || $c eq "\n") {      my $self = shift;
         if ($c eq '[') {      my $suid = shift;
           $in_key = 1;  
           $in_val = 0;      # These numbers are what I found as defaults when running the command
         } else {      my $pkt_len = shift || 1600;
           $in_key = 0;      my $pkt_cnt = shift || 500;
           $in_val = 0;      my $cycles  = shift || 10;
         }  
       my %config = @_;
         if ($key) {  
           $key =~ s/^\s+//;      # * 2, one for the FromAP, one FromSU.  Then / 1000 to get to ms.
           $key =~ s/\s+$//;      # XXX This might need to be changed, this makes the default timeout the
       # same as $pkt_len, and that might not be enough at slower speeds.
           $val =~ s/^\s+//;      $config{Timeout} ||= int( ( $pkt_len * $pkt_cnt * $cycles * 2 ) / 1000 );
           $val =~ s/\s+$//;  
       my $string = join $SPACE, 'linktest', $suid, $pkt_len, $pkt_cnt, $cycles;
           if ($key eq 'Checksum' && $last_key) {      return $self->cmd(
             # Special case for these bastids.          %config,
             my $new = $last_key;          String => $string,
             $new =~ s/\s+\S+$//;          decode => 'linktest',
             $key = $new . " " . $key;      );
           }  
   }
           $last_key = $key;  
           $conf{$key} = $val;  =pod
           $key = '';  
           $val = '';  =head2 B<su_password> - Set the password on SUs connected to the AP.
         }  
   su_password('new_password'[, 'suid']) If no suid is specified,
       } elsif ($c eq ']') {  the default is "all".
         $in_val = 1;  
         $in_key = 0;    $t->su_password('good_pass', 5);
         $c = shift @chars;  
   =cut
       } elsif ($in_key) {  
         $key .= $c;  sub su_password {
       my $self     = shift;
       } elsif ($in_val) {      my $new_pass = shift || $EMPTY;
         $val .= $c;      my $su       = shift || 'all';
       }  
     }      unless ( defined $new_pass ) {
   }          $self->last_error("No new password");
   
   if (%conf) {          #return;
     return \%conf;      }
   } else {  
     return \@lines;      return $self->cmd(
   }          String => 'su password '
 }              . $su
               . $SPACE
 1;              . $new_pass
 __END__              . $SPACE
               . $new_pass,
 =back          expect => $success,
       );
 =head1 SEE ALSO  }
   
 Trango Documentation - http://www.trangobroadband.com/support/product_docs.htm  =pod
   
 L<Net::Telnet>  =head2 B<ipconfig> - Change IP configuration
   
 =head1 TODO  ipconfig( 'new_ip', 'new_subnet', 'new_gateway' )
   
 There are still a lot of commands that are not accessed directly.  If you call them (as cmd("command + args") or whatever) and it works, please send me examples that work and I will try to get it incorporated into the next version of the script.    $t->ipconfig( '10.0.1.5', '255.255.255.0', '10.0.1.1' );
   
 I also want to be able to parse the different types of output from commands like su, sudb all and anything else that would be better available as a perl datastructure.  =cut
   
 =head1 AUTHOR  sub ipconfig {
       my $self = shift;
 Andrew Fresh E<lt>andrew@rraz.netE<gt>  
       my $string = join $SPACE, 'ipconfig', @_;
 =head1 COPYRIGHT AND LICENSE  
       if ( @_ == 3 ) {
 Copyright (C) 2005 by Andrew Fresh          $self->print($string);
           my @lines = $self->waitfor( Match => '/save\s+and\s+activate/', );
 This library is free software; you can redistribute it and/or modify          $self->print('y');
 it under the same terms as Perl itself, either Perl version 5.8.7 or,  
 at your option, any later version of Perl 5 you may have available.          $self->logged_in(0);
           $self->is_connected(0);
   
 =cut          foreach my $line (@lines) {
               if ( $line =~ s/New \s configuration:\s+//xms ) {
                   return _decode_lines($line);
               }
           }
   
           return {};
       }
   
       # ipconfig [ <new ip> <new subnet> <new gateway> ]
       return $self->cmd( String => $string, expect => $success );
   }
   
   =pod
   
   =head2 B<su_ipconfig> - Change IP configuration on SUs connected to the AP.
   
   su_ipconfig( 'suid', 'new_ip', 'new_subnet', 'new_gateway' )
   
     $t->su_ipconfig( 5, '10.0.1.5', '255.255.255.0', '10.0.1.1' );
   
   =cut
   
   sub su_ipconfig {
       my $self = shift;
   
       my $suid        = shift;
       my $new_ip      = shift;
       my $new_subnet  = shift;
       my $new_gateway = shift;
   
       if ( $suid =~ /\D/ ) {
           $self->last_error("Invalid suid '$suid'");
           return;
       }
       unless ($new_ip) {
           $self->last_error("no new_ip passed");
           return;
       }
       unless ($new_subnet) {
           $self->last_error("no new_subnet passed");
           return;
       }
       unless ($new_gateway) {
           $self->last_error("no new_gateway passed");
           return;
       }
   
       # su ipconfig <suid> <new ip> <new subnet> <new gateway>
       return $self->cmd(
           String => 'su ipconfig '
               . $suid
               . $SPACE
               . $new_ip
               . $SPACE
               . $new_subnet
               . $SPACE
               . $new_gateway,
           expect => $success,
       );
   }
   
   =pod
   
   =head2 B<sudb_view> - Returns the output from the sudb view command
   
   returns a reference to an array of hashes each containing these keys
   'suid', 'su2su', 'type', 'cir', 'mir' and 'mac'
   
   =cut
   
   sub sudb_view {
       my $self = shift;
   
       my $lines = $self->cmd( String => 'sudb view', expect => $success ) || [];
   
       return unless @{$lines};
   
       my $s = *$self->{net_telnet_trango};
       return $lines if !$s->{'Decode'};
   
       my @sus;
       foreach ( @{$lines} ) {
           next unless $_;
           if (/^
               \[(\d+)\]
               \s+
               [[:xdigit:]]{2}
               ([[:xdigit:]])
               ([[:xdigit:]])
               \s+
               (\d+)
               \s+
               (\d+)
               \s+
               ([[:xdigit:]\s]+)
           $/ixms
               )
           {
               my %s = (
                   suid  => $1,
                   su2su => $2 ? $2 : undef,
                   type  => $3 == 1 ? 'reg' : $3 == 5 ? 'pri' : $3,
                   cir   => $4,
                   mir   => $5,
                   mac   => $6,
               );
   
               $s{'mac'} =~ s/\s//gxms;
               $s{'mac'} = uc( $s{'mac'} );
   
               push @sus, \%s;
           }
       }
   
       return \@sus;
   }
   
   =pod
   
   =head2 B<sudb_add> - Adds an su to the sudb
   
   Takes the following paramaters
   
       suid : numeric,
       type : (reg|pr)
       cir  : numeric,
       mir  : numeric,
       mac  : Almost any format, it will be reformatted,
   
   and returns true on success or undef otherwise.
   
     $t->sudb_add($suid, 'reg', $cir, $mir, $mac);
   
   You should save_sudb() after calling this, or your changes  will be lost
   when the AP is rebooted.
   
   =cut
   
   sub sudb_add {
       my $self = shift;
       my $suid = shift;
       my $type = shift;
       my $cir  = shift;
       my $mir  = shift;
       my $mac  = shift;
   
       if ( $suid =~ /\D/ ) {
           $self->last_error("Invalid suid '$suid'");
           return;
       }
   
       unless ( lc($type) eq 'reg' || lc($type) eq 'pr' ) {
           $self->last_error("Invalid type '$type'");
           return;
       }
   
       if ( $cir =~ /\D/ ) {
           $self->last_error("Invalid CIR '$cir'");
           return;
       }
   
       if ( $mir =~ /\D/ ) {
           $self->last_error("Invalid MIR '$mir'");
           return;
       }
   
       my $new_mac = $mac;
       $new_mac =~ s/[^0-9A-Fa-f]//g;
       unless ( length $new_mac == 12 ) {
           $self->last_error("Invalid MAC '$mac'");
           return;
       }
       $new_mac = join $SPACE, $new_mac =~ /../g;
   
       my $string
           = 'sudb add '
           . $suid
           . $SPACE
           . $type
           . $SPACE
           . $cir
           . $SPACE
           . $mir
           . $SPACE
           . $new_mac;
   
       return $self->cmd( String => $string, expect => $success );
   }
   
   =pod
   
   =head2 B<sudb_delete> - removes an su from the sudb
   
   Takes either 'all' or the  suid of the su to delete
   and returns true on success or undef otherwise.
   
     $t->sudb_delete($suid);
   
   You should save_sudb() after calling this, or your changes  will be lost
   when the AP is rebooted.
   
   =cut
   
   sub sudb_delete {
       my $self = shift;
       my $suid = shift;
   
       #if (lc($suid) ne 'all' || $suid =~ /\D/) {
       if ( $suid =~ /\D/ ) {
           $self->last_error("Invalid suid '$suid'");
           return;
       }
   
       return $self->cmd( String => 'sudb delete ' . $suid, expect => $success );
   }
   
   =pod
   
   =head2 B<sudb_modify> - changes the su information in the sudb
   
   Takes either the  suid of the su to change
   as well as what you are changing, either "cir, mir or su2su"
   and returns true on success or undef otherwise.
   
   cir and mir also take a value to set the cir/mir to.
   
   su2su takes a group id parameter that is in hex.
   
     $t->sudb_modify($suid, 'cir', 512);
   
   You should save_sudb() after calling this, or your changes  will be lost
   when the AP is rebooted.
   
   =cut
   
   sub sudb_modify {
       my $self  = shift;
       my $suid  = shift;
       my $opt   = shift;
       my $value = shift;
   
       if ( $suid =~ /\D/ ) {
           $self->last_error("Invalid suid '$suid'");
           return;
       }
   
       if ( lc($opt) eq 'cir' or lc($opt) eq 'mir' ) {
           if ( $value =~ /\D/ ) {
               $self->last_error("Invalid $opt '$value'");
               return;
           }
       }
       elsif ( lc($opt) eq 'su2su' ) {
           if ( $value =~ /[^0-9A-Za-f]/ ) {
               $self->last_error("Invalid MAC '$value'");
               return;
           }
       }
       else {
           $self->last_error("Invalid option '$opt'");
           return;
       }
   
       my $string = 'sudb modify ' . $suid . $SPACE . $opt . $SPACE . $value;
   
       return $self->cmd( String => $string, expect => $success );
   }
   
   =pod
   
   =head2 B<enable_tftpd> - enable the TFTP server
   
   runs C<tftpd(args =E<gt> 'on')> and makes sure that Tftpd is now 'listen'ing
   
   =cut
   
   sub enable_tftpd {
       my $self = shift;
   
       my $vals = $self->tftpd( args => 'on' );
   
       if ( ref $vals eq 'HASH' && $vals->{'Tftpd'} eq 'listen' ) {
           return $vals;
       }
       else {
           return;
       }
   }
   
   =pod
   
   =head2 B<disable_tftpd> - disable the TFTP server
   
   runs C<tftpd(args =E<gt> 'off')> and makes sure that Tftpd is now 'disabled'
   
   =cut
   
   sub disable_tftpd {
       my $self = shift;
   
       my $vals = $self->tftpd( args => 'off' );
   
       if ( ref $vals eq 'HASH' && $vals->{'Tftpd'} eq 'disabled' ) {
           return $vals;
       }
       else {
           return;
       }
   }
   
   =pod
   
   =head2 B<cmd> - runs a command on the AP.
   
   This does most of the work.  At the heart, it calls Net::Telnet::cmd()
   but it also does some special stuff for Trango.
   
   Normally returns the last lines from from the command
   
   If you are using this, rather than one of the "easy" methods above,
   you probably want to read through the source of this module to see how
   some of the other commands are called.
   
   In addition to the Net::Telnet::cmd() options, it also accepts these:
   
   I<decode>
   - if this is true, then it will send the output lines to _decode_lines()
   and then returns the decoded output
   
   I<no_prompt>
   - if this is true, it does not wait for a prompt, so you are not stuck
   waiting for something that will never happen.
   
   I<cmd_disconnects>
   - if this is true, it then sets logged_in() to false, then it will
   close() the connection and set is_connected() to false
   
   I<expect>
   - if this is set (usually to 'Success.') it will check for that in the
   last line of output and if it does not, will return undef because the
   command probably failed
   
   I<args>
   - a string containing the command line options that are passed to the
   command
   
       $t->cmd( String => 'exit', no_prompt => 1, cmd_disconnects => 1 );
   
   =cut
   
   sub cmd {
       my $self = shift;
       my $s    = *$self->{net_telnet_trango};
   
       my @valid_net_telnet_opts = qw(
           String
           Output
           Cmd_remove_mode
           Errmode
           Input_record_separator
           Ors
           Output_record_separator
           Prompt
           Rs
           Timeout
       );
   
       my %cfg;
       if ( @_ == 1 ) {
           $cfg{'String'} = shift;
       }
       elsif ( @_ > 1 ) {
           %cfg = @_;
       }
   
       $cfg{'Timeout'} ||= $self->Timeout;
   
       unless ( $cfg{'String'} ) {
           $self->last_error("No command passed");
           return;
       }
   
       unless ( $self->is_connected ) {
           $self->last_error("Not connected");
           return;
       }
   
       unless ( $self->logged_in ) {
           $self->last_error("Not logged in");
           return;
       }
   
       my %cmd;
       foreach (@valid_net_telnet_opts) {
           if ( exists $cfg{$_} ) {
               $cmd{$_} = $cfg{$_};
           }
       }
       if ( $cfg{'args'} ) {
           $cmd{'String'} .= $SPACE . $cfg{'args'};
       }
   
       #print "Running cmd $cmd{String}\n";
       my @lines;
       if ( $cfg{'no_prompt'} ) {
           $self->print( $cmd{'String'} );
           @lines = $self->lastline;
       }
       else {
           @lines = $self->SUPER::cmd(%cmd);
       }
   
       $self->last_lines( \@lines );
   
       my $last   = $self->lastline;
       my $prompt = $self->prompt;
       $prompt =~ s{^/}{}xms;
       $prompt =~ s{/[gixms]*$}{}xms;
       while ( @lines && $last =~ qr($prompt) ) {
           pop @lines;
           $last = $lines[-1];
       }
       $self->last_error($EMPTY);
   
       my $vals = 1;
       if ( $s->{'Decode'} && $cfg{'decode'} ) {
           if ( $cfg{'decode'} eq 'each' ) {
               $vals = _decode_each_line(@lines);
           }
           elsif ( $cfg{'decode'} eq 'sulog' ) {
               $vals = _decode_sulog(@lines);
           }
           elsif ( $cfg{'decode'} eq 'maclist' ) {
               $vals = _decode_maclist(@lines);
               if ( !$vals ) {
                   $self->last_error("Error decoding maclist");
               }
           }
           elsif ( $cfg{'decode'} eq 'linktest' ) {
               $vals = _decode_linktest(@lines);
               if ( !$vals ) {
                   $self->last_error("Error decoding linktest");
               }
           }
           elsif ( $cfg{'decode'} eq 'freq' ) {
               $vals = _decode_freq(@lines);
           }
           else {
               $vals = _decode_lines(@lines);
           }
       }
       if ( ref $vals eq 'HASH' ) {
           $vals->{_raw} = join q{}, @lines;
       }
       $self->last_vals($vals);
   
       if ( ( not $cfg{'expect'} ) || $last =~ /$cfg{'expect'}$/ ) {
           if ( $cfg{'cmd_disconnects'} ) {
               $self->logged_in(0);
               $self->close;
               $self->is_connected(0);
           }
   
           if ( $s->{'Decode'} && $cfg{'decode'} ) {
               return $vals;
           }
           else {
               return \@lines;
           }
       }
       else {
           my $err;
           if ( grep {/\[ERR\]/} @lines ) {
               $err = _decode_lines(@lines);
           }
   
           if ( ref $err eq 'HASH' && $err->{ERR} ) {
               $self->last_error( $err->{ERR} );
           }
           else {
               $self->last_error("Error with command ($cmd{'String'}): $last");
           }
           return;
       }
   }
   
   #=item _decode_lines
   
   sub _decode_lines {
       my @lines = @_;
   
       my %conf;
   
       my $key = $EMPTY;
       my $val = undef;
       my @vals;
       my $in_key = 0;
       my $in_val = 1;
   
   LINE: while ( my $line = shift @lines ) {
           next LINE if $line =~ /$success\Z/;
           next LINE if $line =~ /^ \*+ \s+ \d+ \s+ \*+ \Z/xms;
   
           # Special decode for sysinfo on a TrangoLink 45
           if ( $line =~ /^(.* Channel \s+ Table):\s*(.*)\Z/xms ) {
               my $key  = $1;
               my $note = $2;
   
               my %vals;
               while ( $line = shift @lines ) {
                   if ( $line =~ /^\Z/ ) {
                       $conf{$key} = \%vals;
                       $conf{$key}{note} = $note;
                       next LINE;
                   }
   
                   my $decoded = _decode_lines($line);
                   if ($decoded) {
                       %vals = ( %vals, %{$decoded} );
                   }
               }
           }
   
           # Another special decode for the TrangoLink
           elsif (
               $line =~ /^
               RF \s Band \s \#
               (\d+) \s+
               \( ([^\)]+) \) \s*
               (.*)$
           /xms
               )
           {
               my $num   = $1;
               my $band  = $2;
               my $extra = $3;
   
               if ( $extra =~ /\[/ ) {
                   my $decoded = _decode_lines($extra);
                   $conf{'RF Band'}{$num} = $decoded;
               }
               else {
                   $conf{'RF Band'}{$num}{$extra} = 1;
               }
               next LINE;
           }
   
           my @chars = split //, $line;
   
           my $last_key = $EMPTY;
           foreach my $c (@chars) {
   
               if ( $c eq '[' || $c eq "\r" || $c eq "\n" ) {
                   if ( $c eq '[' ) {
                       $in_key = 1;
                       $in_val = 0;
                   }
                   else {
                       $in_key = 0;
                       $in_val = 1;
                   }
   
                   if ($key) {
                       $key =~ s/^\s+//;
                       $key =~ s/\s+$//;
   
                       if ($val) {
                           $val =~ s/^\s+//;
                           $val =~ s/\s+\.*$//;
                       }
   
                       if ( $key eq 'Checksum' && $last_key ) {
   
                           # Special case for these bastids.
                           my $new = $last_key;
                           $new =~ s/\s+\S+$//;
                           $key = $new . $SPACE . $key;
                       }
   
                       $conf{$key} = $val;
                       $last_key   = $key;
                       $key        = $EMPTY;
                   }
                   elsif ($val) {
                       push @vals, $val;
                   }
                   $val = $EMPTY;
   
               }
               elsif ( $c eq ']' ) {
                   $in_val = 1;
                   $in_key = 0;
                   $c      = shift @chars;
   
               }
               elsif ($in_key) {
                   $key .= $c;
   
               }
               elsif ($in_val) {
                   $val .= $c;
               }
           }
       }
   
       unless ($key) {
           push @vals, $val;
       }
   
       foreach my $val (@vals) {
           if ( defined $val && length $val ) {
               $val =~ s/^\s+//;
               $val =~ s/\s+\.*$//;
           }
       }
   
       if ( @vals == 1 ) {
           $val = $vals[0];
       }
       elsif (@vals) {
           $val = \@vals;
       }
       else {
           $val = undef;
       }
   
       if (%conf) {
           $conf{_pre} = $val if $val;
           return \%conf;
       }
       else {
           return $val;
       }
   }
   
   #=item _decode_each_line
   
   sub _decode_each_line {
       my @lines = @_;
       my @decoded;
       foreach my $line (@lines) {
           my $decoded = _decode_lines($line);
           push @decoded, $decoded if defined $decoded && length $decoded;
       }
       return \@decoded;
   }
   
   #=item _decode_linktest
   
   sub _decode_linktest {
       my @lines = @_;
       my %decoded;
       foreach my $line (@lines) {
   
           if ( $line =~ s/^(\d+) \s+ //xms ) {
               my $line_id = $1;
               my ( $tm, $rt );
               if ( $line =~ s/\s+ (\d+ \s+ \w+) \s* $//xms ) {
                   $rt = $1;
               }
               if ( $line =~ s/\s+ (\d+ \s+ \w+) \s* $//xms ) {
                   $tm = $1;
               }
   
               my $d = _decode_lines( $line . "\n" );
               $decoded{tests}[$line_id]         = $d;
               $decoded{tests}[$line_id]{'time'} = $tm;
               $decoded{tests}[$line_id]{rate}   = $rt;
           }
   
           else {
               my $d = _decode_lines( $line . "\n" );
               if ($d) {
                   while ( my ( $k, $v ) = each %{$d} ) {
                       $decoded{$k} = $v;
                   }
               }
           }
   
       }
       return \%decoded;
   }
   
   #=item _decode_sulog
   
   sub _decode_sulog {
       my @lines = @_;
       my @decoded;
       my $last_tm;
       foreach my $line (@lines) {
           my $decoded = _decode_lines($line);
   
           if ( defined $decoded ) {
               if ( $decoded->{'tm'} ) {
                   $last_tm = $decoded->{'tm'};
                   next;
               }
               else {
                   $decoded->{'tm'} = $last_tm;
               }
               next unless $last_tm;
   
               push @decoded, $decoded if defined $decoded;
           }
       }
       return \@decoded;
   }
   
   #=item _decode_maclist
   
   sub _decode_maclist {
       my @lines = @_;
       my @decoded;
       my $total_entries = 0;
       my $current_tm    = 0;
       foreach my $line (@lines) {
           $line =~ s/\r?\n$//;
           my ( $mac, $loc, $tm ) = $line =~ /
               ([0-9a-fA-F ]{17})\s+
               (.*)\s+
               tm\s+
               (\d+)
           /x;
   
           if ($mac) {
               $mac =~ s/\s+//g;
               $loc =~ s/^\s+//;
               $loc =~ s/\s+$//;
   
               my $suid = undef;
               if ( $loc =~ /suid\s+=\s+(\d+)/ ) {
                   $suid = $1;
                   $loc  = undef;
               }
   
               push @decoded,
                   {
                   mac  => $mac,
                   loc  => $loc,
                   tm   => $tm,
                   suid => $suid,
                   };
           }
           elsif ( $line =~ /(\d+)\s+entries/ ) {
               $total_entries = $1;
           }
           elsif ( $line =~ /current tm = (\d+)\s+sec/ ) {
               $current_tm = $1;
           }
       }
   
       map { $_->{'cur_tm'} = $current_tm } @decoded;
   
       if ( scalar @decoded == $total_entries ) {
           return \@decoded;
       }
       else {
           return;
       }
   }
   
   #=item _decode_freq
   
   sub _decode_freq {
       my @lines   = @_;
       my $decoded = _decode_lines(@lines);
   
       if ( $decoded && $decoded->{ERR} ) {
           return $decoded;
       }
   
   LINE: foreach my $line (@lines) {
           if (my ( $channel, $polarity, $freq )
               = $line =~ /
               Ch \s+ \#(\d+)
               \s+
               (\w+)
               \s+
               \[ (\d+) \s+ MHz\]
           /ixms
               )
           {
               $decoded = {
                   channel   => $channel,
                   polarity  => $polarity,
                   frequency => $freq,
               };
               last LINE;
           }
       }
       return $decoded;
   }
   
   1;    # End of Net::Telnet::Trango
   __END__
   
   =head1 SEE ALSO
   
   Trango Documentation -
   L<http://www.trangobroadband.com/support/product_docs.htm>
   
   L<Net::Telnet>
   
   =head1 TODO
   
   There are still a lot of commands that are not accessed directly.  If
   you call them (as cmd("command + args") or whatever) and it works,
   please send me examples that work and I will try to get it incorporated
   into the next version of the script.
   
   I also want to be able to parse the different types of output from
   commands like su, sudb all and anything else that would be better
   available as a perl datastructure.
   
   =head1 AUTHOR
   
   Andrew Fresh E<lt>andrew@rraz.netE<gt>
   
   =head1 SUPPORT
   
   You can find documentation for this module with the perldoc command.
   
       perldoc Net::Telnet::Trango
   
   You can also look for information at:
   
   =over 4
   
   =item * AnnoCPAN: Annotated CPAN documentation
   
   L<http://annocpan.org/dist/Net-Telnet-Trango>
   
   =item * CPAN Ratings
   
   L<http://cpanratings.perl.org/d/Net-Telnet-Trango>
   
   =item * RT: CPAN's request tracker
   
   L<http://rt.cpan.org/NoAuth/Bugs.html?Dist=Net-Telnet-Trango>
   
   =item * Search CPAN
   
   L<http://search.cpan.org/dist/Net-Telnet-Trango>
   
   =back
   
   =head1 COPYRIGHT AND LICENSE
   
   Copyright (C) 2005,2006,2007 by Andrew Fresh
   
   This program is free software; you can redistribute it and/or modify it
   under the same terms as Perl itself.
   
   =cut
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