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Diff for /trango/Net-Telnet-Trango/lib/Net/Telnet/Trango.pm between version 1.5 and 1.59

version 1.5, 2006/01/03 00:22:19 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 1.4 2005/12/30 20:26:41 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
 =item new  
   =head2 B<new> - Creates a new Net::Telnet::Trango object.
 Same as new from L<Net::Telnet> but has defaults for the trango 'Prompt'  
       new([Options from Net::Telnet,]
 =cut          [Decode => 0,]);
   
 sub new  Same as new from L<Net::Telnet> but sets the default Trango Prompt:
 {  '/[\$#]>\s*\Z/'
   my $class = shift;  
   It also takes an optional parameter 'Decode'.  If not defined it
   my %args;  defaults to 1, if it is set to 0, it will not decode the output and
   if (@_ == 1) {  instead return a reference to an array of the lines that were returned
     $args{'Host'} = shift;  from the command.
   } else {  
     %args = @_;  =cut
   }  
   sub new {
   $args{'Prompt'}  ||= '/#> *$/';      my $class = shift;
   
   foreach my $key (keys %args) {      my %args = ();
     $PRIVATE{$key} = $args{$key};      if ( @_ == 1 ) {
   }          $args{'Host'} = shift;
       }
   my $self = $class->SUPER::new(%args);      else {
   bless $self if ref $self;          %args = @_;
       }
   return $self;  
 }      $args{'Prompt'} ||= '/[\$#]>\s*\r?\n?$/';
   
 #  _password <new password> <new password>      my $decode = $args{'Decode'};
 #  ? [command]      delete $args{'Decode'};
 #  apsearch <secs> <ch#> <h|v> [<ch#> <h|v>]...  
 #  arp -bcast <on|off>      my $self = $class->SUPER::new(%args);
 #  bcastscant <all|suid> <ch#> <h|v> [<ch#> <h|v> ...      bless $self if ref $self;
 #  bye  
 #  cf2cf ap [default|<size>]      $args{Decode}       = defined $decode ? $decode : 1;
 #  date      $args{is_connected} = 0;
 #  date <month> <day> <year>      $args{logged_in}    = 0;
 #  freq scantable  
 #  freq channeltable      *$self->{net_telnet_trango} = \%args;
 #  freq writescan [<ch#> <h|v>]  
 #  freq writechannel [<ch#> <freq>] ...      return $self;
 #  freq <ch #> <h|v>  }
 #  help [command]  
 #  heater [<on temp> <off temp>]  #  _password <new password> <new password>
 #  ipconfig [<new ip> <new subnet mask> <new gateway>]  #  ? [command]
 #  log [<# of entries, 1..179>]  #  apsearch <secs> <ch#> <h|v> [<ch#> <h|v>]...
 #  log <sum> <# of entries, 1..179>  #  arp -bcast <on|off>
 #  logout  #  bcastscant <all|suid> <ch#> <h|v> [<ch#> <h|v> ...
 #  opmode [ap [y]]  #  bye
 #  password  #  cf2cf ap [default|<size>]
 #  ping <ip addr>  #  date
 #  polar <h|v>  #  date <month> <day> <year>
 #  power <setism|setunii> <max|min|<dBm>>  #  freq scantable
 #  reboot  #  freq channeltable
 #  restart  #  freq writescan [<ch#> <h|v>]
 #  remarks [<str>]  #  freq writechannel [<ch#> <freq>] ...
 #  rfrxthreshold [<ism|unii> <-90|-85|-80|-75|-70|-65>]  #  freq <ch #> <h|v>
 #  rfrxth [<ism|unii> <-90|-85|-80|-75|-70|-65>]  #  help [command]
 #  sysinfo  #  heater [<on temp> <off temp>]
 #  set suid <id>  #  ipconfig [<new ip> <new subnet mask> <new gateway>]
 #  set apid <id>  #  linktest <suid> [<pkt len, bytes> [<# of pkts> [<# of cycle>]]]
 #  set baseid <id>  #  log [<# of entries, 1..179>]
 #  set defaultopmode [<ap|su> <min,0..10>]  #  log <sum> <# of entries, 1..179>
 #  set defaultopmode off  #  logout
 #  set snmpcomm [<read | write | trap (id or setall)> <str>]  #  opmode [ap [y]]
 #  set mir [on|off]  #  password
 #  set mir threshold <kbps>  #  ping <ip addr>
 #  set rssitarget [<ism|unii> <dBm>]  #  polar <h|v>
 #  set serviceradius [<ism | unii> <miles>]  #  power <setism|setunii> <max|min|<dBm>>
 #  ssrssi <ch #> <h|v>  #  reboot
 #  su [<suid>|all]  #  restart
 #  su changechannel <all|suid> <ch#> <h|v>  #  remarks [<str>]
 #  su ipconfig <suid> <new ip> <new subnet> <new gateway>  #  rfrxthreshold [<ism|unii> <-90|-85|-80|-75|-70|-65>]
 #  su [live|poweroff|priority]  #  rfrxth [<ism|unii> <-90|-85|-80|-75|-70|-65>]
 #  su <ping|info|status> <suid>  #  sysinfo
 #  su powerleveling <all|suid>  #  set suid <id>
 #  su reboot <all|suid>  #  set apid <id>
 #  su restart <all|suid>  #  set baseid <id>
 #  su testrflink <all|suid> [r]  #  set defaultopmode [<ap|su> <min,0..10>]
 #  su testrflink <setlen> [64..1600]  #  set defaultopmode off
 #  su testrflink <aptx> [20..100]  #  set snmpcomm [<read | write | trap (id or setall)> <str>]
 #  su sw <suid|all> <sw #> <on|off>  #  set mir [on|off]
 #  sudb [dload | view]  #  set mir threshold <kbps>
 #  sudb add <suid> pr <cir,kbps> <mir,kbps> <device id,hex>  #  set rssitarget [<ism|unii> <dBm>]
 #  sudb add <suid> reg <cir,kbps> <mir,kbps> <device id,hex>  #  set serviceradius [<ism | unii> <miles>]
 #  sudb delete <all|<suid>>  #  ssrssi <ch #> <h|v>
 #  sudb modify <suid> <cir|mir> <kbps>  #  su [<suid>|all]
 #  sudb modify <suid> <su2su> <group id,hex>  #  su changechannel <all|suid> <ch#> <h|v>
 #  sudb view  #  su ipconfig <suid> <new ip> <new subnet> <new gateway>
 #  sulog [lastmins | sampleperiod <1..60>]  #  su [live|poweroff|priority]
 #  sulog [<# of entry,1..18>]  #  su <ping|info|status> <suid>
 #  survey <ism|unii> <time, sec> <h|v>  #  su powerleveling <all|suid>
 #  sw [<sw #> <on|off>]  #  su reboot <all|suid>
 #  temp  #  su restart <all|suid>
 #  tftpd [on|off]  #  su testrflink <all|suid> [r]
 #  time  #  su testrflink <setlen> [64..1600]
 #  time <hour> <min> <sec>  #  su testrflink <aptx> [20..100]
 #  save <mainimage|fpgaimage> <current chksum> <new chksum>  #  su sw <suid|all> <sw #> <on|off>
 #  save <systemsetting|sudb>  #  sudb [dload | view]
 #  updateflash <mainimage|fpgaimage> <current chksum> <new chksum>  #  sudb add <suid> pr <cir,kbps> <mir,kbps> <device id,hex>
 #  updateflash <systemsetting|sudb>  #  sudb add <suid> reg <cir,kbps> <mir,kbps> <device id,hex>
   #  sudb delete <all|<suid>>
 =pod  #  sudb modify <suid> <cir|mir> <kbps>
   #  sudb modify <suid> <su2su> <group id,hex>
 =head1 METHODS  #  sudb view
   #  sulog [lastmins | sampleperiod <1..60>]
 =head2 ACCESSORS  #  sulog [<# of entry,1..18>]
   #  survey <ism|unii> <time, sec> <h|v>
 =over  #  sw [<sw #> <on|off>]
   #  temp
 =item Host  #  tftpd [on|off]
   #  time
 returns the name of the host that you are accessing  #  time <hour> <min> <sec>
   #  save <mainimage|fpgaimage> <current chksum> <new chksum>
 =item firmware_version  #  save <systemsetting|sudb>
   #  updateflash <mainimage|fpgaimage> <current chksum> <new chksum>
 returns the firmware version on the trango if available otherwise undef.    #  updateflash <systemsetting|sudb>
 Available after a successful open()  
 This is usually only set internally  =pod
   
 =item host_type  =head1 ACCESSORS
   
 returns the type of host from the login banner for example M5830S or M5300S.    These are usually only set internally.
 Available after a successful open()  
 This is usually only set internally  =head2 B<firmware_version> - returns the firmware version
   
 =item is_connected  Returns the firmware version if available, otherwise undef.
   
 returns 1 after a successful open() otherwise undef  It should be available after a successful open().
 This is usually only set internally  
   =head2 B<host_type> - return the type of host you are connected to.
 =item logged_in  
   returns the type of host from the login banner for example M5830S or M5300S.
 returns 1 after a successful login() 0 if it failed and undef if  
 login() was never called  Should be available after a successful open().
 This is usually only set internally  
   =head2 B<is_connected> - Status of the connection to host.
 =item login_banner  
   returns 1 when connected, undef otherwise.
 returns the banner that is displayed when first connected at login.  Only set after a successful open()  
   =head2 B<logged_in> - Status of being logged in to the host.
 This is usually only set internally  
   returns 1 after a successful login(), 0 if it failed and undef if
 =item last_lines  login() was never called.
   
 returns the output from the last cmd() that was run as an array ref  =head2 B<login_banner> - The banner when first connecting to the host.
 This is usually only set internally  
   returns the banner that is displayed when first connected at login.
 =back  Only set after a successful open().
   
 =head2 ALIASES  =head2 B<last_lines> - The last lines of output from the last cmd().
   
 =over  returns, as an array ref, the output from the last cmd() that was run.
   
 =item bye  =head2 B<last_error> - A text output of the last error that was encountered.
   
 alias of exit()  returns the last error reported.  Probably contains the last entry in
   last_lines.
 =item restart  
   =head1 ALIASES
 alias of reboot()  
   =head2 B<bye> - alias of exit()
 =back  
   Does the same as exit()
 =head2 COMMANDS  
   =head2 B<restart> - alias of reboot()
 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:  
 C<tftpd(args =E<gt> 'on')> would enable tftpd  Does the same as reboot()
   
 =over  =head2 B<save_systemsetting> - alias of save_ss()
   
 =item tftpd  Does the same as save_ss()
   
 Returns a hash ref of the decoded output from the command.  =head1 COMMANDS
   
 Also see enable_tftpd() and disable_tftpd() as those check for correct output  Most of these are just shortcuts to C<cmd(String =E<gt> METHOD)>,
   as such they accept the same options as C<cmd()>.
 =item ver  Specifically they take a named paramater "args", for example:
   C<tftpd(args =E<gt> 'on')> would enable tftpd
 Returns a hash ref of the decoded output from the command.  
   =head2 B<tftpd> - The output from the tftpd command
 =item sysinfo  
   Returns a hash ref of the decoded output from the
 Returns a hash ref of the decoded output from the command.  command.
   
 =item exit  Also see enable_tftpd() and disable_tftpd() as those check that it was
   successfully changed.
 exits the command session with the trango and closes the connection  
   =head2 B<ver> - The output from the ver command
 =item reboot  
   Returns a hash ref of the decoded output from the
 reboots the trango and closes the connection  command.
   
 =item sulog  =head2 B<sysinfo> - The output from the sysinfo command
   
 returns an array ref of hashes containing each log line.  Returns a hash ref of the decoded output from the
   command.
 =cut  
   =head2 B<exit> - Exits the connection
   
 my $success = 'Success.';  exits the command session with the Trango and closes
 my %COMMANDS = (  the connection
   tftpd       => { decode => 'all',   expect => $success },  
   ver         => { decode => 'all' },  =head2 B<reboot> - Sends a reboot command
   sysinfo     => { decode => 'all',   expect => $success },  
   updateflash => { decode => 'all',   expect => $success },  reboots the Trango and closes the connection
   sulog       => { decode => 'sulog', expect => $success },  
   'exit'      => { no_prompt => 1, cmd_disconnects => 1 },  ==head2 B<reset> <all|0..2> - Sends a reset command
   reboot      => { no_prompt => 1, cmd_disconnects => 1 },  
   #su password???  resets settings to default
   #_bootloader  
   #temp  =head2 B<remarks> - Set or retrieve the remarks.
   #heater  
 );  Takes an optional argument, which sets the remarks.
   If there is no argument, returns the current remarks.
 my %ALIASES = (  
   bye     => 'exit',    my $old_remarks = $t->remarks();
   restart => 'reboot',    $t->remarks($new_remarks);
 );  
   =head2 B<sulog> - The output from the sulog command
 my %ACCESS = map { $_ => 1 } qw(  
   firmware_version  Returns an array ref of hashes containing each log
   host_type  line.
   Host  
   is_connected  =head2 B<save_sudb> - saves the sudb
   logged_in  
   login_banner  Returns true on success, undef on failure
   Timeout  
   last_lines  =head2 B<syslog> - The output from the sulog command
   last_vals  
 );  Returns a hashref of the output from the syslog command
   
 sub AUTOLOAD  =head2 B<pipe> - the pipe command
 {  
   my $self = shift;  Returns the output from the pipe command
   
   my ($method) = (our $AUTOLOAD) =~ /^.*::(\w+)$/  =head2 B<maclist> - retrieves the maclist
     or die "Weird: $AUTOLOAD";  
   Returns the output from the maclist command
   if (exists $ALIASES{$method}) {  
     $method = $ALIASES{$method};  =head2 B<maclist_reset> - resets the maclist.
     return $self->$method(@_);  
   }  No useful output.
   
   if (exists $COMMANDS{$method}) {  =head2 B<eth_link> - eth link command
     $method = shift if (@_ == 1);  
     $COMMANDS{$method}{'String'} ||= $method;  Returns the output from the eth link command
     return $self->cmd(%{ $COMMANDS{$method} }, @_);  
   }  This command seems to cause some weird issues.  It often will cause the
   command after it to appear to fail.  I am not sure why.
   if (exists $ACCESS{$method}) {  
     my $prev = $PRIVATE{$method};  =head2 B<su_info> - gets the su info
     ($PRIVATE{$method}) = @_ if @_;  
     return $prev;  Returns information about the SU.
   }  
   You need to pass in the $suid and it will return the info for that suid.
   $method = "SUPER::$method";  
   return $self->$method(@_);    $t->su_info($suid);
 }  
   =head2 B<su_testrflink> - tests the RF Link to an su
 =pod  
     $t->su_testrflink($suid|'all');
 =item open  
   =head2 B<save_ss> - saves the config.
 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()  
   Returns 1 on success, undef on failure.
 =cut  
   =head2 B<set_baseid> - sets baseid
 sub open  
 {      $t->set_baseid($baseid);
   my $self = shift;  
   =head2 B<set_suid> - sets baseid
   unless ( $self->SUPER::open(@_) ) {  
     #$! = "Couldn't connect to " . $self->Host . ":  $!";      $t->set_suid($baseid);
     return undef;  
   }  =head2 B<set_defaultopmode> - sets default opmode
   
   ## Get to login prompt      $t->set_defaultopmode(ap|su);
   unless ($self->waitfor(  
       -match => '/password: ?$/i',  =head2 B<opmode> - sets or returns the opmode
       -errmode => "return",  
     ) ) {      $t->opmode([ap y|su y]);
     #$! = "problem connecting to host (" . $self->Host . "): " .  
     #    $self->lastline;  =head2 B<freq> - sets or returns the freq
     return undef;  
   }      $channel = '11 v';
       $t->freq([$channel]);
   $self->parse_login_banner($self->lastline);  
   =head2 B<freq_writescan> - sets the freq writescan
   $self->is_connected(1);  
       $channels = '11 v 11 h 12 v 12 h';
   return $self->is_connected;      $t->freq_writescan($channels);
 }  
   =head2 B<freq_scantable> - returns the freq scantable
 =pod  
       $channels = $t->freq_scantable();
 =item login      # now $channels eq '11 v 11 h 12 v 12 h';
   
 Calls open() if not already connected, then sends the password and sets logged_in() if successful  
   =cut
 =cut  
   my $success  = 'Success\\.';
 sub login  my %COMMANDS = (
 {      _clear      => { String    => "\n" },
   my $self = shift;      tftpd       => { decode    => 'all', expect => $success },
       ver         => { decode    => 'all' },
   unless ($self->is_connected) {      sysinfo     => { decode    => 'all', expect => $success },
     $self->open or return undef;      updateflash => { decode    => 'all', expect => $success },
   }      sulog       => { decode    => 'sulog', expect => $success },
       'exit'      => { no_prompt => 1, cmd_disconnects => 1 },
   my $password = shift;      reboot      => { no_prompt => 1, cmd_disconnects => 1 },
       'reset'   => {},
   $self->print($password);      remarks   => { decode => 'all', expect => $success },
   unless ($self->waitfor(      save_sudb => { String => 'save sudb', expect => $success },
     -match => $self->prompt,      syslog  => { expect => $success },
     -errmode => "return",      'pipe'  => {},      # XXX needs a special decode
   ) ) {      maclist => { decode => 'maclist' },
     #$! = "login ($self->Host) failed: " . $self->lastline;      maclist_reset => { String => 'maclist reset', expect => 'done' },
     return undef;      eth_link      => { String => 'eth link',      expect => $success },
   }      su_info => { String => 'su info', decode => 'all', expect => $success },
       su_testrflink =>
   $self->logged_in(1);          { String => 'su testrflink', decode => 'each', expect => $success },
       save_ss    => { String => 'save ss', expect => $success },
   return $self->logged_in;      set_baseid => {
 }          String => 'set baseid',
           decode => 'all',
 =pod          expect => $success
       },
 =item parse_login_banner      set_suid => {
           String => 'set suid',
 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()          decode => 'all',
           expect => $success
 =cut      },
       set_defaultopmode => {
 sub parse_login_banner          String => 'set defaultopmode',
 {          decode => 'all',
   my $self = shift;          expect => $success
       },
   if (@_) {      opmode => { decode => 'all',  expect => $success },
     $self->login_banner(@_);      freq   => { decode => 'freq', expect => $success },
   }      freq_writescan =>
           { String => 'freq writescan', decode => 'all', expect => $success },
   my $banner = $self->login_banner;      freq_scantable =>
           { String => 'freq scantable', decode => 'all', expect => $success },
   my ($type, $ver) = $banner =~      arq => { decode => 'all' },
     /Welcome to Trango Broadband Wireless (\S+)[\s-]+(.+)$/i;  );
   
   $self->login_banner($banner);  my %ALIASES = (
   $self->host_type($type);      bye               => 'exit',
   $self->firmware_version($ver);      restart           => 'reboot',
       Host              => 'host',
   return 1;      save_systemseting => 'save_ss',
 }  );
   
 =pod  my %ACCESS = map { $_ => 1 } qw(
       firmware_version
 =item su_password      host_type
       is_connected
 C<su_password('all'|suid, 'new_password')>      logged_in
       login_banner
 =cut      Timeout
       last_lines
 sub su_password      last_vals
 {      last_error
   my $self     = shift;      Decode
   my $su       = shift || '!';  );
   my $new_pass = shift || '';  
   sub AUTOLOAD {
   unless (defined $su) {      my $self = shift;
     warn "No su passed!"  
     #return undef;      my ($method) = ( our $AUTOLOAD ) =~ /^.*::(\w+)$/
   }          or die "Weird: $AUTOLOAD";
   
   unless (defined $new_pass) {      if ( exists $ALIASES{$method} ) {
     warn "No new password!"            $method = $ALIASES{$method};
     #return undef;          return $self->$method(@_);
   }      }
   
   return $self->cmd(String => 'su password ' .      if ( exists $COMMANDS{$method} ) {
                      $su . ' ' .          my %cmd;
                      $new_pass . ' ' .          foreach my $k ( keys %{ $COMMANDS{$method} } ) {
                      $new_pass,              $cmd{$k} = $COMMANDS{$method}{$k};
                      expect => $success,          }
                     );          $cmd{'String'} ||= $method;
 }          $cmd{'args'} .= $SPACE . shift if ( @_ == 1 );
           return $self->cmd( %cmd, @_ );
       }
 =pod  
       if ( exists $ACCESS{$method} ) {
 =item sudb_view          my $s    = *$self->{net_telnet_trango};
           my $prev = $s->{$method};
 returns a reference to an array of hashes each containing:          ( $s->{$method} ) = @_ if @_;
           return $prev;
   suid      }
   type  
   cir      $method = "SUPER::$method";
   mir      return $self->$method(@_);
   mac  }
   
 =cut  =pod
   
 sub sudb_view  =head2 B<open> - Open a connection to a Trango AP.
 {  
   my $self = shift;  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
   my @lines = $self->cmd( String => 'sudb view', expect => $success );  host_type() and firmware_version()
   
   return undef unless @lines;  =cut
   
   my @sus;  sub open {
   foreach (@lines) {      my $self = shift;
     if (/^\[(\d+)\]\s+(\d+)\s+(\d+)\s+(\d+)\s+([0-9a-fA-F]+)/) {  
       my %s = (      unless ( $self->SUPER::open(@_) ) {
         suid => $1,          $self->last_error( "Couldn't connect to " . $self->host . ":  $!" );
         type => $2,          return;
         cir  => $3,      }
         mir  => $4,  
         mac  => $5,      ## Get to login prompt
       );      unless (
       push @sus, \%s;          $self->waitfor(
     }              -match   => '/password: ?$/i',
   }              -errmode => "return",
           )
   return \@sus;          )
 }      {
           $self->last_error( "problem connecting to host ("
 =pod                  . $self->host . "): "
                   . $self->lastline );
 =item enable_tftpd          return;
       }
 runs C<tftpd(args =E<gt> 'on')> and makes sure that Tftpd is now 'listen'ing  
       $self->parse_login_banner( $self->lastline );
 =cut  
       $self->is_connected(1);
 sub enable_tftpd  
 {      return $self->is_connected;
   my $self = shift;  }
   
   my $vals = $self->tftpd( args => 'on' );  =pod
   
   if ($vals->{'Tftpd'} eq 'listen') {  =head2 B<login> - Login to the AP.
     return $vals;  
   } else {  Calls open() if not already connected, then sends the password and sets
     return undef;  logged_in() if successful
   }  
 }  =cut
   
 =pod  sub login {
       my $self = shift;
 =item disable_tftpd  
       unless ( $self->is_connected ) {
 runs C<tftpd(args =E<gt> 'off')> and makes sure that Tftpd is now 'disabled'          $self->open or return;
       }
 =cut  
       my $password = shift;
 sub disable_tftpd  
 {      $self->print($password);
   my $self = shift;      unless (
           $self->waitfor(
   my $vals = $self->tftpd( args => 'off' );              -match   => $self->prompt,
               -errmode => "return",
   if (ref $vals eq 'HASH' && $vals->{'Tftpd'} eq 'disabled') {          )
     return $vals;          )
   } else {      {
     return undef;          $self->last_error( "login ($self->host) failed: " . $self->lastline );
   }          return;
 }      }
   
 =pod      $self->logged_in(1);
   
 =item cmd      return $self->logged_in;
   }
 This does most of the work.  At the heart, it calls Net::Telnet::cmd() but it also does some special stuff for Trango.  
   =pod
 Normally returns the last lines from from the command  
   =head2 B<parse_login_banner> - Converts the login_banner to something useful.
 Also accepts these options:  
   Takes a login banner (what you get when you first connect to the Trango)
 I<decode>  or reads what is already in login_banner() then parses it and sets
 - if this is true, then it will send the output lines to _decode_lines() and then returns the decoded output  host_type() and firmware_version() as well as login_banner()
   
 I<cmd_disconnects>  =cut
 - if this is true, it then sets logged_in() to false, then it will close() the connection and then sets is_connected() to false  
   sub parse_login_banner {
 I<expect>      my $self = shift;
 - 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  
       if (@_) {
 I<args>          $self->login_banner(@_);
 - a string containing the command line options that are passed to the command      }
   
 =cut      my $banner = $self->login_banner;
   
 sub cmd      my ( $type, $sep1, $subtype, $sep2, $ver )
 {          = $banner
   my $self = shift;          =~ /Welcome to Trango Broadband Wireless,? (\S+)([\s-]+)(\S+)([\s-]+)(.+)$/i;
   
   my @valid_net_telnet_opts = qw(      $type .= $sep1 . $subtype;
     String      $ver = $subtype . $sep2 . $ver;
     Output  
     Cmd_remove_mode      $self->login_banner($banner);
     Errmode      $self->host_type($type);
     Input_record_separator      $self->firmware_version($ver);
     Ors  
     Output_record_separator      return 1;
     Prompt  }
     Rs  
     Timeout  =pod
   );  
   =head2 B<linktest> - Link test to SU
   my %cfg;  
   if (@_ == 2) {  linktest('suid'[, 'pkt len, bytes'[, '# of pkts'[, '# of cycles']]]);
     $cfg{'String'} = shift;  
   } elsif (@_ > 2) {  Returns a hash reference to the results of the test
     %cfg = @_;  
   }  =cut
   
   $cfg{'Timeout'} ||= $self->Timeout;  sub linktest {
       my $self = shift;
   unless ($cfg{'String'}) {      my $suid = shift;
     #$! = "No command passed";  
     #warn "No command passed\n";      # These numbers are what I found as defaults when running the command
     return undef;      my $pkt_len = shift || 1600;
   }      my $pkt_cnt = shift || 500;
       my $cycles  = shift || 10;
   unless ($self->is_connected) {  
     #$! = "Not connected";      my %config = @_;
     #warn "Not connected\n";  
     return undef;      # * 2, one for the FromAP, one FromSU.  Then / 1000 to get to ms.
   }      # XXX This might need to be changed, this makes the default timeout the
       # same as $pkt_len, and that might not be enough at slower speeds.
   unless ($self->logged_in) {      $config{Timeout} ||= int( ( $pkt_len * $pkt_cnt * $cycles * 2 ) / 1000 );
     #$! = "Not logged in";  
     #warn "Not logged in\n";      my $string = join $SPACE, 'linktest', $suid, $pkt_len, $pkt_cnt, $cycles;
     return undef;      return $self->cmd(
   }          %config,
           String => $string,
           decode => 'linktest',
   my %cmd;      );
   foreach (@valid_net_telnet_opts) {  
     if (exists $cfg{$_}) {  }
       $cmd{$_} = $cfg{$_};  
     }  =pod
   }  
   if ($cfg{'args'}) {  =head2 B<su_password> - Set the password on SUs connected to the AP.
     $cmd{'String'} .= ' ' . $cfg{'args'};  
   }  su_password('new_password'[, 'suid']) If no suid is specified,
   my @lines;  the default is "all".
   unless ($cfg{'no_prompt'}) {  
     @lines = $self->SUPER::cmd(%cmd);    $t->su_password('good_pass', 5);
   } else {  
     $self->print($cmd{'String'});  =cut
     @lines = $self->lastline;  
   }  sub su_password {
       my $self     = shift;
   $self->last_lines(\@lines);      my $new_pass = shift || $EMPTY;
       my $su       = shift || 'all';
   my $vals = 1;  
   if ($cfg{'decode'}) {      unless ( defined $new_pass ) {
     if ($cfg{'decode'} eq 'each') {          $self->last_error("No new password");
       $vals = _decode_each_line(@lines);  
     } elsif ($cfg{'decode'} eq 'sulog') {          #return;
       $vals = _decode_sulog(@lines);      }
     } else {  
       $vals = _decode_lines(@lines);      return $self->cmd(
     }          String => 'su password '
   }              . $su
               . $SPACE
   $self->last_vals($vals);              . $new_pass
               . $SPACE
               . $new_pass,
   my $last = $self->lastline;          expect => $success,
       );
   if ((not $cfg{'expect'}) || $last =~ /$cfg{'expect'}$/) {  }
     if ($cfg{'cmd_disconnects'}) {  
       $self->logged_in(0);  =pod
       $self->close;  
       $self->is_connected(0);  =head2 B<ipconfig> - Change IP configuration
     }  
   ipconfig( 'new_ip', 'new_subnet', 'new_gateway' )
     if ($cfg{'decode'}) {  
       return $vals;    $t->ipconfig( '10.0.1.5', '255.255.255.0', '10.0.1.1' );
     } else {  
       return @lines;  =cut
     }  
   } else {  sub ipconfig {
     #$! = "Error with command ($cfg{'string'}): $last";      my $self = shift;
     return undef;  
   }      my $string = join $SPACE, 'ipconfig', @_;
 }  
       if ( @_ == 3 ) {
 #=item _decode_lines          $self->print($string);
           my @lines = $self->waitfor( Match => '/save\s+and\s+activate/', );
 sub _decode_lines          $self->print('y');
 {  
   my @lines = @_;          $self->logged_in(0);
           $self->is_connected(0);
   my %conf;  
           foreach my $line (@lines) {
   my $key = '';              if ( $line =~ s/New \s configuration:\s+//xms ) {
   my $val = '';                  return _decode_lines($line);
   my $in_key = 0;              }
   my $in_val = 0;          }
   
   foreach my $line (@lines) {          return {};
     next if $line =~ /$success$/;      }
   
     my @chars = split //, $line;      # ipconfig [ <new ip> <new subnet> <new gateway> ]
       return $self->cmd( String => $string, expect => $success );
     my $last_key = '';  }
     foreach my $c (@chars) {  
   =pod
       if ($c eq '[' || $c eq "\r" || $c eq "\n") {  
         if ($c eq '[') {  =head2 B<su_ipconfig> - Change IP configuration on SUs connected to the AP.
           $in_key = 1;  
           $in_val = 0;  su_ipconfig( 'suid', 'new_ip', 'new_subnet', 'new_gateway' )
         } else {  
           $in_key = 0;    $t->su_ipconfig( 5, '10.0.1.5', '255.255.255.0', '10.0.1.1' );
           $in_val = 0;  
         }  =cut
   
         if ($key) {  sub su_ipconfig {
           $key =~ s/^\s+//;      my $self = shift;
           $key =~ s/\s+$//;  
       my $suid        = shift;
           $val =~ s/^\s+//;      my $new_ip      = shift;
           $val =~ s/\s+$//;      my $new_subnet  = shift;
       my $new_gateway = shift;
           if ($key eq 'Checksum' && $last_key) {  
             # Special case for these bastids.      if ( $suid =~ /\D/ ) {
             my $new = $last_key;          $self->last_error("Invalid suid '$suid'");
             $new =~ s/\s+\S+$//;          return;
             $key = $new . " " . $key;      }
           }      unless ($new_ip) {
           $self->last_error("no new_ip passed");
           $last_key = $key;          return;
           $conf{$key} = $val;      }
           $key = '';      unless ($new_subnet) {
           $val = '';          $self->last_error("no new_subnet passed");
         }          return;
       }
       } elsif ($c eq ']') {      unless ($new_gateway) {
         $in_val = 1;          $self->last_error("no new_gateway passed");
         $in_key = 0;          return;
         $c = shift @chars;      }
   
       } elsif ($in_key) {      # su ipconfig <suid> <new ip> <new subnet> <new gateway>
         $key .= $c;      return $self->cmd(
           String => 'su ipconfig '
       } elsif ($in_val) {              . $suid
         $val .= $c;              . $SPACE
       }              . $new_ip
     }              . $SPACE
   }              . $new_subnet
               . $SPACE
   if (%conf) {              . $new_gateway,
     return \%conf;          expect => $success,
   } else {      );
     return undef;  }
   }  
 }  =pod
   
 #=item _decode_each_line  =head2 B<sudb_view> - Returns the output from the sudb view command
   
 sub _decode_each_line  returns a reference to an array of hashes each containing these keys
 {  'suid', 'su2su', 'type', 'cir', 'mir' and 'mac'
   my @lines = @_;  
   my @decoded;  =cut
   foreach my $line (@lines) {  
     my $decoded = _decode_lines($line);  sub sudb_view {
     push @decoded, $decoded if defined $decoded;      my $self = shift;
   }  
   return \@decoded;      my $lines = $self->cmd( String => 'sudb view', expect => $success ) || [];
 }  
       return unless @{$lines};
 #=item _decode_sulog  
       my $s = *$self->{net_telnet_trango};
 sub _decode_sulog      return $lines if !$s->{'Decode'};
 {  
   my @lines = @_;      my @sus;
   my @decoded;      foreach ( @{$lines} ) {
   my $last_tm;          next unless $_;
   foreach my $line (@lines) {          if (/^
     my $decoded = _decode_lines($line);              \[(\d+)\]
               \s+
     if (defined $decoded) {              [[:xdigit:]]{2}
       if ($decoded->{'tm'}) {              ([[:xdigit:]])
         $last_tm = $decoded->{'tm'};              ([[:xdigit:]])
         next;              \s+
       } else {              (\d+)
         $decoded->{'tm'} = $last_tm;              \s+
       }              (\d+)
       next unless $last_tm;              \s+
               ([[:xdigit:]\s]+)
       push @decoded, $decoded if defined $decoded;          $/ixms
     }              )
   }          {
   return \@decoded;              my %s = (
 }                  suid  => $1,
                   su2su => $2 ? $2 : undef,
 1;                  type  => $3 == 1 ? 'reg' : $3 == 5 ? 'pri' : $3,
 __END__                  cir   => $4,
                   mir   => $5,
 =back                  mac   => $6,
               );
 =head1 SEE ALSO  
               $s{'mac'} =~ s/\s//gxms;
 Trango Documentation - http://www.trangobroadband.com/support/product_docs.htm              $s{'mac'} = uc( $s{'mac'} );
   
 L<Net::Telnet>              push @sus, \%s;
           }
 =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.      return \@sus;
   }
 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.  
   =pod
 =head1 AUTHOR  
   =head2 B<sudb_add> - Adds an su to the sudb
 Andrew Fresh E<lt>andrew@rraz.netE<gt>  
   Takes the following paramaters
 =head1 COPYRIGHT AND LICENSE  
       suid : numeric,
 Copyright (C) 2005 by Andrew Fresh      type : (reg|pr)
       cir  : numeric,
 This library is free software; you can redistribute it and/or modify      mir  : numeric,
 it under the same terms as Perl itself, either Perl version 5.8.7 or,      mac  : Almost any format, it will be reformatted,
 at your option, any later version of Perl 5 you may have available.  
   and returns true on success or undef otherwise.
   
 =cut    $t->sudb_add($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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