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Diff for /trango/Net-Telnet-Trango/lib/Net/Telnet/Trango.pm between version 1.4 and 1.52

version 1.4, 2005/12/30 20:26:41 version 1.52, 2008/02/18 19:13:32
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 package Net::Telnet::Trango;  package Net::Telnet::Trango;
 # $RedRiver: Trango.pm,v 1.3 2005/12/30 19:26:06 andrew Exp $  
 use strict;  # $RedRiver: Trango.pm,v 1.51 2008/02/18 16:37:35 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 = '0.01';
   logged_in => 0,  
 );  my $EMPTY = q{};
   my $SPACE = q{ };
 =pod  
   my %PRIVATE = (
 =item new      is_connected => 0,
       logged_in    => 0,
 Same as new from L<Net::Telnet> but has defaults for the trango 'Prompt'  );
   
 =cut  =pod
   
 sub new  =head2 B<new> - Creates a new Net::Telnet::Trango object.
 {  
   my $class = shift;      new([Options from Net::Telnet,]
           [Decode => 0,]);
   my %args;  
   if (@_ == 1) {  Same as new from L<Net::Telnet> but sets the default Trango Prompt:
     $args{'Host'} = shift;  '/#>\s*\Z/'
   } else {  
     %args = @_;  It also takes an optional parameter 'Decode'.  If not defined it
   }  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
   $args{'Prompt'}  ||= '/#> *$/';  from the command.
   
   foreach my $key (keys %args) {  =cut
     $PRIVATE{$key} = $args{$key};  
   }  sub new {
       my $class = shift;
   my $self = $class->SUPER::new(%args);  
   bless $self if ref $self;      my %args;
       if ( @_ == 1 ) {
   return $self;          $args{'Host'} = shift;
 }      }
       else {
 #  _password <new password> <new password>          %args = @_;
 #  ? [command]      }
 #  apsearch <secs> <ch#> <h|v> [<ch#> <h|v>]...  
 #  arp -bcast <on|off>      $args{'Prompt'} ||= '/#>\s*\r?\n?$/';
 #  bcastscant <all|suid> <ch#> <h|v> [<ch#> <h|v> ...  
 #  bye      foreach my $key ( keys %args ) {
 #  cf2cf ap [default|<size>]          $PRIVATE{$key} = $args{$key};
 #  date      }
 #  date <month> <day> <year>      $PRIVATE{'Decode'} = 1 unless defined $PRIVATE{'Decode'};
 #  freq scantable      delete $args{'Decode'};
 #  freq channeltable  
 #  freq writescan [<ch#> <h|v>]      my $self = $class->SUPER::new(%args);
 #  freq writechannel [<ch#> <freq>] ...      bless $self if ref $self;
 #  freq <ch #> <h|v>  
 #  help [command]      return $self;
 #  heater [<on temp> <off temp>]  }
 #  ipconfig [<new ip> <new subnet mask> <new gateway>]  
 #  log [<# of entries, 1..179>]  #  _password <new password> <new password>
 #  log <sum> <# of entries, 1..179>  #  ? [command]
 #  logout  #  apsearch <secs> <ch#> <h|v> [<ch#> <h|v>]...
 #  opmode [ap [y]]  #  arp -bcast <on|off>
 #  password  #  bcastscant <all|suid> <ch#> <h|v> [<ch#> <h|v> ...
 #  ping <ip addr>  #  bye
 #  polar <h|v>  #  cf2cf ap [default|<size>]
 #  power <setism|setunii> <max|min|<dBm>>  #  date
 #  reboot  #  date <month> <day> <year>
 #  restart  #  freq scantable
 #  remarks [<str>]  #  freq channeltable
 #  rfrxthreshold [<ism|unii> <-90|-85|-80|-75|-70|-65>]  #  freq writescan [<ch#> <h|v>]
 #  rfrxth [<ism|unii> <-90|-85|-80|-75|-70|-65>]  #  freq writechannel [<ch#> <freq>] ...
 #  sysinfo  #  freq <ch #> <h|v>
 #  set suid <id>  #  help [command]
 #  set apid <id>  #  heater [<on temp> <off temp>]
 #  set baseid <id>  #  ipconfig [<new ip> <new subnet mask> <new gateway>]
 #  set defaultopmode [<ap|su> <min,0..10>]  #  linktest <suid> [<pkt len, bytes> [<# of pkts> [<# of cycle>]]]
 #  set defaultopmode off  #  log [<# of entries, 1..179>]
 #  set snmpcomm [<read | write | trap (id or setall)> <str>]  #  log <sum> <# of entries, 1..179>
 #  set mir [on|off]  #  logout
 #  set mir threshold <kbps>  #  opmode [ap [y]]
 #  set rssitarget [<ism|unii> <dBm>]  #  password
 #  set serviceradius [<ism | unii> <miles>]  #  ping <ip addr>
 #  ssrssi <ch #> <h|v>  #  polar <h|v>
 #  su [<suid>|all]  #  power <setism|setunii> <max|min|<dBm>>
 #  su changechannel <all|suid> <ch#> <h|v>  #  reboot
 #  su ipconfig <suid> <new ip> <new subnet> <new gateway>  #  restart
 #  su [live|poweroff|priority]  #  remarks [<str>]
 #  su <ping|info|status> <suid>  #  rfrxthreshold [<ism|unii> <-90|-85|-80|-75|-70|-65>]
 #  su powerleveling <all|suid>  #  rfrxth [<ism|unii> <-90|-85|-80|-75|-70|-65>]
 #  su reboot <all|suid>  #  sysinfo
 #  su restart <all|suid>  #  set suid <id>
 #  su testrflink <all|suid> [r]  #  set apid <id>
 #  su testrflink <setlen> [64..1600]  #  set baseid <id>
 #  su testrflink <aptx> [20..100]  #  set defaultopmode [<ap|su> <min,0..10>]
 #  su sw <suid|all> <sw #> <on|off>  #  set defaultopmode off
 #  sudb [dload | view]  #  set snmpcomm [<read | write | trap (id or setall)> <str>]
 #  sudb add <suid> pr <cir,kbps> <mir,kbps> <device id,hex>  #  set mir [on|off]
 #  sudb add <suid> reg <cir,kbps> <mir,kbps> <device id,hex>  #  set mir threshold <kbps>
 #  sudb delete <all|<suid>>  #  set rssitarget [<ism|unii> <dBm>]
 #  sudb modify <suid> <cir|mir> <kbps>  #  set serviceradius [<ism | unii> <miles>]
 #  sudb modify <suid> <su2su> <group id,hex>  #  ssrssi <ch #> <h|v>
 #  sudb view  #  su [<suid>|all]
 #  sulog [lastmins | sampleperiod <1..60>]  #  su changechannel <all|suid> <ch#> <h|v>
 #  sulog [<# of entry,1..18>]  #  su ipconfig <suid> <new ip> <new subnet> <new gateway>
 #  survey <ism|unii> <time, sec> <h|v>  #  su [live|poweroff|priority]
 #  sw [<sw #> <on|off>]  #  su <ping|info|status> <suid>
 #  temp  #  su powerleveling <all|suid>
 #  tftpd [on|off]  #  su reboot <all|suid>
 #  time  #  su restart <all|suid>
 #  time <hour> <min> <sec>  #  su testrflink <all|suid> [r]
 #  save <mainimage|fpgaimage> <current chksum> <new chksum>  #  su testrflink <setlen> [64..1600]
 #  save <systemsetting|sudb>  #  su testrflink <aptx> [20..100]
 #  updateflash <mainimage|fpgaimage> <current chksum> <new chksum>  #  su sw <suid|all> <sw #> <on|off>
 #  updateflash <systemsetting|sudb>  #  sudb [dload | view]
   #  sudb add <suid> pr <cir,kbps> <mir,kbps> <device id,hex>
 =pod  #  sudb add <suid> reg <cir,kbps> <mir,kbps> <device id,hex>
   #  sudb delete <all|<suid>>
 =head1 METHODS  #  sudb modify <suid> <cir|mir> <kbps>
   #  sudb modify <suid> <su2su> <group id,hex>
 =head2 ACCESSORS  #  sudb view
   #  sulog [lastmins | sampleperiod <1..60>]
 =over  #  sulog [<# of entry,1..18>]
   #  survey <ism|unii> <time, sec> <h|v>
 =item Host  #  sw [<sw #> <on|off>]
   #  temp
 returns the name of the host that you are accessing  #  tftpd [on|off]
   #  time
 =item firmware_version  #  time <hour> <min> <sec>
   #  save <mainimage|fpgaimage> <current chksum> <new chksum>
 returns the firmware version on the trango if available otherwise undef.    #  save <systemsetting|sudb>
 Available after a successful open()  #  updateflash <mainimage|fpgaimage> <current chksum> <new chksum>
 This is usually only set internally  #  updateflash <systemsetting|sudb>
   
 =item host_type  =pod
   
 returns the type of host from the login banner for example M5830S or M5300S.    =head1 ACCESSORS
 Available after a successful open()  
 This is usually only set internally  These are usually only set internally.
   
 =item is_connected  =head2 B<firmware_version> - returns the firmware version
   
 returns 1 after a successful open() otherwise undef  Returns the firmware version if available, otherwise undef.
 This is usually only set internally  
   It should be available after a successful open().
 =item logged_in  
   =head2 B<host_type> - return the type of host you are connected to.
 returns 1 after a successful login() 0 if it failed and undef if  
 login() was never called  returns the type of host from the login banner for example M5830S or M5300S.
 This is usually only set internally  
   Should be available after a successful open().
 =item login_banner  
   =head2 B<is_connected> - Status of the connection to host.
 returns the banner that is displayed when first connected at login.  Only set after a successful open()  
   returns 1 when connected, undef otherwise.
 This is usually only set internally  
   =head2 B<logged_in> - Status of being logged in to the host.
 =item last_lines  
   returns 1 after a successful login(), 0 if it failed and undef if
 returns the output from the last cmd() that was run as an array ref  login() was never called.
 This is usually only set internally  
   =head2 B<login_banner> - The banner when first connecting to the host.
 =back  
   returns the banner that is displayed when first connected at login.
 =head2 ALIASES  Only set after a successful open().
   
 =over  =head2 B<last_lines> - The last lines of output from the last cmd().
   
 =item bye  returns, as an array ref, the output from the last cmd() that was run.
   
 alias of exit()  =head2 B<last_error> - A text output of the last error that was encountered.
   
 =item restart  returns the last error reported.  Probably contains the last entry in
   last_lines.
 alias of reboot()  
   =head1 ALIASES
 =back  
   =head2 B<bye> - alias of exit()
 =head2 COMMANDS  
   Does the same as exit()
 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  =head2 B<restart> - alias of reboot()
   
 =over  Does the same as reboot()
   
 =item tftpd  =head2 B<save_systemsetting> - alias of save_ss()
   
 Returns a hash ref of the decoded output from the command.  Does the same as save_ss()
   
 Also see enable_tftpd() and disable_tftpd() as those check for correct output  =head1 COMMANDS
   
 =item ver  Most of these are just shortcuts to C<cmd(String =E<gt> METHOD)>,
   as such they accept the same options as C<cmd()>.
 Returns a hash ref of the decoded output from the command.  Specifically they take a named paramater "args", for example:
   C<tftpd(args =E<gt> 'on')> would enable tftpd
 =item sysinfo  
   =head2 B<tftpd> - The output from the tftpd command
 Returns a hash ref of the decoded output from the command.  
   Returns a hash ref of the decoded output from the
 =item exit  command.
   
 exits the command session with the trango and closes the connection  Also see enable_tftpd() and disable_tftpd() as those check that it was
   successfully changed.
 =item reboot  
   =head2 B<ver> - The output from the ver command
 reboots the trango and closes the connection  
   Returns a hash ref of the decoded output from the
 =item sulog  command.
   
 returns an array ref of hashes containing each log line.  =head2 B<sysinfo> - The output from the sysinfo command
   
 =cut  Returns a hash ref of the decoded output from the
   command.
   
 my $success = 'Success.';  =head2 B<exit> - Exits the connection
 my %COMMANDS = (  
   tftpd       => { decode => 'all',   expect => $success },  exits the command session with the Trango and closes
   ver         => { decode => 'all' },  the connection
   sysinfo     => { decode => 'all',   expect => $success },  
   updateflash => { decode => 'all',   expect => $success },  =head2 B<reboot> - Sends a reboot command
   sulog       => { decode => 'sulog', expect => $success },  
   'exit'      => { Prompt => '//', cmd_disconnects => 1 },  reboots the Trango and closes the connection
   reboot      => { Prompt => '//', cmd_disconnects => 1 },  
   #su password???  =head2 B<remarks> - Set or retrieve the remarks.
   #_bootloader  
   #temp  Takes an optional argument, which sets the remarks.
   #heater  If there is no argument, returns the current remarks.
 );  
     my $old_remarks = $t->remarks();
 my %ALIASES = (    $t->remarks($new_remarks);
   bye     => 'exit',  
   restart => 'reboot',  =head2 B<sulog> - The output from the sulog command
 );  
   Returns an array ref of hashes containing each log
 my %ACCESS = map { $_ => 1 } qw(  line.
   firmware_version  
   host_type  =head2 B<save_sudb> - saves the sudb
   Host  
   is_connected  Returns true on success, undef on failure
   logged_in  
   login_banner  =head2 B<syslog> - The output from the sulog command
   Timeout  
   last_lines  Returns a hashref of the output from the syslog command
 );  
   =head2 B<pipe> - the pipe command
 sub AUTOLOAD  
 {  Returns the output from the pipe command
   my $self = shift;  
   =head2 B<maclist> - retrieves the maclist
   my ($method) = (our $AUTOLOAD) =~ /^.*::(\w+)$/  
     or die "Weird: $AUTOLOAD";  Returns the output from the maclist command
   
   if (exists $ALIASES{$method}) {  =head2 B<maclist_reset> - resets the maclist.
     $method = $ALIASES{$method};  
     return $self->$method(@_);  No useful output.
   }  
   =head2 B<eth_link> - eth link command
   if (exists $COMMANDS{$method}) {  
     $method = shift if (@_ == 1);  Returns the output from the eth link command
     $COMMANDS{$method}{'String'} ||= $method;  
     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}) {  =head2 B<su_info> - gets the su info
     my $prev = $PRIVATE{$method};  
     ($PRIVATE{$method}) = @_ if @_;  Returns information about the SU.
     return $prev;  
   }  You need to pass in the $suid and it will return the info for that suid.
   
   $method = "SUPER::$method";    $t->su_info($suid);
   return $self->$method(@_);  
 }  =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<opmode> - sets opmode ap y or returns the opmode
   
 sub open      $t->opmode([ap y]);
 {  
   my $self = shift;  =cut
   
   unless ( $self->SUPER::open(@_) ) {  my $success  = 'Success\\.';
     #$! = "Couldn't connect to " . $self->Host . ":  $!";  my %COMMANDS = (
     return undef;      _clear      => { String => "\n" },
   }      tftpd       => { decode    => 'all',       expect          => $success },
       ver         => { decode    => 'all' },
   ## Get to login prompt      sysinfo     => { decode    => 'all',       expect          => $success },
   unless ($self->waitfor(      updateflash => { decode    => 'all',       expect          => $success },
       -match => '/password: ?$/i',      sulog       => { decode    => 'sulog',     expect          => $success },
       -errmode => "return",      'exit'      => { no_prompt => 1,           cmd_disconnects => 1 },
     ) ) {      reboot      => { no_prompt => 1,           cmd_disconnects => 1 },
     #$! = "problem connecting to host (" . $self->Host . "): " .      remarks     => { decode    => 'all',       expect          => $success },
     #    $self->lastline;      save_sudb   => { String    => 'save sudb', expect          => $success },
     return undef;      syslog      => { expect    => $success },
   }      'pipe'      => {},                        # XXX needs a special decode
       maclist     => { decode => 'maclist' },
   $self->parse_login_banner($self->lastline);      maclist_reset => { String => 'maclist reset', expect       => 'done' },
       eth_link    => { String => 'eth link',     expect          => $success },
   $self->is_connected(1);      su_info     =>
         { String => 'su info',  decode => 'all', expect          => $success },
   return $self->is_connected;      su_testrflink =>
 }        { String => 'su testrflink', decode => 'each', expect    => $success },
       save_ss     => { String => 'save ss',      expect          => $success },
 =pod      opmode      => { decode => 'all',          expect          => $success },
       arq         => { decode => 'all' },
 =item login  );
   
 Calls open() if not already connected, then sends the password and sets logged_in() if successful  my %ALIASES = (
       bye     => 'exit',
 =cut      restart => 'reboot',
       Host    => 'host',
 sub login      save_systemseting => 'save_ss',
 {  );
   my $self = shift;  
   my %ACCESS = map { $_ => 1 } qw(
   unless ($self->is_connected) {    firmware_version
     $self->open or return undef;    host_type
   }    is_connected
     logged_in
   my $password = shift;    login_banner
     Timeout
   $self->print($password);    last_lines
   unless ($self->waitfor(    last_vals
     -match => $self->prompt,    last_error
     -errmode => "return",    Decode
   ) ) {  );
     #$! = "login ($self->Host) failed: " . $self->lastline;  
     return undef;  sub AUTOLOAD {
   }      my $self = shift;
   
   $self->logged_in(1);      my ($method) = ( our $AUTOLOAD ) =~ /^.*::(\w+)$/
         or die "Weird: $AUTOLOAD";
   return $self->logged_in;  
 }      if ( exists $ALIASES{$method} ) {
           $method = $ALIASES{$method};
 =pod          return $self->$method(@_);
       }
 =item parse_login_banner  
       if ( exists $COMMANDS{$method} ) {
 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()          my %cmd;
           foreach my $k ( keys %{ $COMMANDS{$method} } ) {
 =cut              $cmd{$k} = $COMMANDS{$method}{$k};
           }
 sub parse_login_banner          $cmd{'String'} ||= $method;
 {          $cmd{'args'} .= $SPACE . shift if ( @_ == 1 );
   my $self = shift;          return $self->cmd( %cmd, @_ );
       }
   if (@_) {  
     $self->login_banner(@_);      if ( exists $ACCESS{$method} ) {
   }          my $prev = $PRIVATE{$method};
           ( $PRIVATE{$method} ) = @_ if @_;
   my $banner = $self->login_banner;          return $prev;
       }
   my ($type, $ver) = $banner =~  
     /Welcome to Trango Broadband Wireless (\S+)[\s-]+(.+)$/i;      $method = "SUPER::$method";
       return $self->$method(@_);
   $self->login_banner($banner);  }
   $self->host_type($type);  
   $self->firmware_version($ver);  =pod
   
   return 1;  =head2 B<open> - Open a connection to a Trango AP.
 }  
   Calls Net::Telnet::open() then makes sure you get a password prompt so
 =pod  you are ready to login() and parses the login banner so you can get
   host_type() and firmware_version()
 =item enable_tftpd  
   =cut
 runs C<tftpd(args =E<gt> 'on')> and makes sure that Tftpd is now 'listen'ing  
   sub open {
 =cut      my $self = shift;
   
 sub enable_tftpd      unless ( $self->SUPER::open(@_) ) {
 {          $self->last_error( "Couldn't connect to " . $self->host . ":  $!" );
   my $self = shift;          return;
       }
   my $vals = $self->tftpd( args => 'on' );  
       ## Get to login prompt
   if ($vals->{'Tftpd'} eq 'listen') {      unless (
     return $vals;          $self->waitfor(
   } else {              -match   => '/password: ?$/i',
     return undef;              -errmode => "return",
   }          )
 }        )
       {
 =pod          $self->last_error( "problem connecting to host ("
                 . $self->host . "): "
 =item disable_tftpd                . $self->lastline );
           return;
 runs C<tftpd(args =E<gt> 'off')> and makes sure that Tftpd is now 'disabled'      }
   
 =cut      $self->parse_login_banner( $self->lastline );
   
 sub disable_tftpd      $self->is_connected(1);
 {  
   my $self = shift;      return $self->is_connected;
   }
   my $vals = $self->tftpd( args => 'off' );  
   =pod
   if (ref $vals eq 'HASH' && $vals->{'Tftpd'} eq 'disabled') {  
     return $vals;  =head2 B<login> - Login to the AP.
   } else {  
     return undef;  Calls open() if not already connected, then sends the password and sets
   }  logged_in() if successful
 }  
   =cut
 =pod  
   sub login {
 =item cmd      my $self = shift;
   
 This does most of the work.  At the heart, it calls Net::Telnet::cmd() but it also does some special stuff for Trango.      unless ( $self->is_connected ) {
           $self->open or return;
 Normally returns the last lines from from the command      }
   
 Also accepts these options:      my $password = shift;
   
 I<decode>      $self->print($password);
 - if this is true, then it will send the output lines to _decode_lines() and then returns the decoded output      unless (
           $self->waitfor(
 I<cmd_disconnects>              -match   => $self->prompt,
 - if this is true, it then sets logged_in() to false, then it will close() the connection and then sets is_connected() to false              -errmode => "return",
           )
 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      {
           $self->last_error( "login ($self->host) failed: " . $self->lastline );
 I<args>          return;
 - a string containing the command line options that are passed to the command      }
   
 =cut      $self->logged_in(1);
   
 sub cmd      return $self->logged_in;
 {  }
   my $self = shift;  
   =pod
   my @valid_net_telnet_opts = qw(  
     String  =head2 B<parse_login_banner> - Converts the login_banner to something useful.
     Output  
     Cmd_remove_mode  Takes a login banner (what you get when you first connect to the Trango)
     Errmode  or reads what is already in login_banner() then parses it and sets
     Input_record_separator  host_type() and firmware_version() as well as login_banner()
     Ors  
     Output_record_separator  =cut
     Prompt  
     Rs  sub parse_login_banner {
     Timeout      my $self = shift;
   );  
       if (@_) {
   my %cfg;          $self->login_banner(@_);
   if (@_ == 2) {      }
     $cfg{'String'} = shift;  
   } elsif (@_ > 2) {      my $banner = $self->login_banner;
     %cfg = @_;  
   }      my ( $type, $sep1, $subtype, $sep2, $ver ) =
         $banner =~
   $cfg{'Timeout'} ||= $self->Timeout;        /Welcome to Trango Broadband Wireless,? (\S+)([\s-]+)(\S+)([\s-]+)(.+)$/i;
   
   unless ($cfg{'String'}) {      $type .= $sep1 . $subtype;
     #$! = "No command passed";      $ver = $subtype . $sep2 . $ver;
     #warn "No command passed\n";  
     return undef;      $self->login_banner($banner);
   }      $self->host_type($type);
       $self->firmware_version($ver);
   unless ($self->is_connected) {  
     #$! = "Not connected";      return 1;
     #warn "Not connected\n";  }
     return undef;  
   }  =pod
   
   unless ($self->logged_in) {  =head2 B<linktest> - Link test to SU
     #$! = "Not logged in";  
     #warn "Not logged in\n";  linktest('suid'[, 'pkt len, bytes'[, '# of pkts'[, '# of cycles']]]);
     return undef;  
   }  Returns a hash reference to the results of the test
   
   =cut
   my %cmd;  
   foreach (@valid_net_telnet_opts) {  sub linktest
     if (exists $cfg{$_}) {  {
       $cmd{$_} = $cfg{$_};      my $self    = shift;
     }      my $suid    = shift;
   }      # These numbers are what I found as defaults when running the command
   if ($cfg{'args'}) {      my $pkt_len = shift || 1600;
     $cmd{'String'} .= ' ' . $cfg{'args'};      my $pkt_cnt = shift || 500;
   }      my $cycles  = shift || 10;
   my @lines = $self->SUPER::cmd(%cmd);  
       my %config  = @_;
   $self->last_lines(\@lines);  
       # * 2, one for the FromAP, one FromSU.  Then / 1000 to get to ms.
   my $vals = 1;      # XXX This might need to be changed, this makes the default timeout the
   if ($cfg{'decode'}) {      # same as $pkt_len, and that might not be enough at slower speeds.
     if ($cfg{'decode'} eq 'each') {      $config{Timeout} ||= int(($pkt_len * $pkt_cnt * $cycles * 2 ) / 1000);
       $vals = _decode_each_line(@lines);  
     } elsif ($cfg{'decode'} eq 'sulog') {      my $string = join $SPACE, 'linktest', $suid, $pkt_len, $pkt_cnt, $cycles;
       $vals = _decode_sulog(@lines);      return $self->cmd(
     } else {          %config,
       $vals = _decode_lines(@lines);          String => $string,
     }          decode => 'linktest',
   }      );
   
   }
   my $last = $self->lastline;  
   =pod
   if ((not $cfg{'expect'}) || $last =~ /$cfg{'expect'}$/) {  
     if ($cfg{'cmd_disconnects'}) {  =head2 B<su_password> - Set the password on SUs connected to the AP.
       $self->logged_in(0);  
       $self->close;  su_password('new_password'[, 'suid']) If no suid is specified,
       $self->is_connected(0);  the default is "all".
     }  
     $t->su_password('good_pass', 5);
     if ($cfg{'decode'}) {  
       return $vals;  =cut
     } else {  
       return @lines;  sub su_password {
     }      my $self     = shift;
   } else {      my $new_pass = shift || $EMPTY;
     #$! = "Error with command ($cfg{'string'}): $last";      my $su       = shift || 'all';
     return undef;  
   }      unless ( defined $new_pass ) {
 }          $self->last_error("No new password");
   
 #=item _decode_lines          #return;
       }
 sub _decode_lines  
 {      return $self->cmd(
   my @lines = @_;          String => 'su password ' . $su . $SPACE . $new_pass . $SPACE . $new_pass,
           expect => $success,
   my %conf;      );
   }
   my $key = '';  
   my $val = '';  =pod
   my $in_key = 0;  
   my $in_val = 0;  =head2 B<su_ipconfig> - Change IP configuration on SUs connected to the AP.
   
   foreach my $line (@lines) {  su_ipconfig( 'suid', 'new_ip', 'new_subnet', 'new_gateway' )
     next if $line =~ /$success$/;  
     $t->su_ipconfig( 5, '10.0.1.5', '255.255.255.0', '10.0.1.1' );
     my @chars = split //, $line;  
   =cut
     my $last_key = '';  
     foreach my $c (@chars) {  sub su_ipconfig {
       my $self = shift;
       if ($c eq '[' || $c eq "\r" || $c eq "\n") {  
         if ($c eq '[') {      my $suid        = shift;
           $in_key = 1;      my $new_ip      = shift;
           $in_val = 0;      my $new_subnet  = shift;
         } else {      my $new_gateway = shift;
           $in_key = 0;  
           $in_val = 0;      if ( $suid =~ /\D/ ) {
         }          $self->last_error("Invalid suid '$suid'");
           return;
         if ($key) {      }
           $key =~ s/^\s+//;      unless ($new_ip) {
           $key =~ s/\s+$//;          $self->last_error("no new_ip passed");
           return;
           $val =~ s/^\s+//;      }
           $val =~ s/\s+$//;      unless ($new_subnet) {
           $self->last_error("no new_subnet passed");
           if ($key eq 'Checksum' && $last_key) {          return;
             # Special case for these bastids.      }
             my $new = $last_key;      unless ($new_gateway) {
             $new =~ s/\s+\S+$//;          $self->last_error("no new_gateway passed");
             $key = $new . " " . $key;          return;
           }      }
   
           $last_key = $key;      # su ipconfig <suid> <new ip> <new subnet> <new gateway>
           $conf{$key} = $val;      return $self->cmd(
           $key = '';          String => 'su ipconfig ' . $suid . $SPACE . $new_ip . $SPACE
           $val = '';            . $new_subnet . $SPACE
         }            . $new_gateway,
           expect => $success,
       } elsif ($c eq ']') {      );
         $in_val = 1;  }
         $in_key = 0;  
         $c = shift @chars;  =pod
   
       } elsif ($in_key) {  =head2 B<sudb_view> - Returns the output from the sudb view command
         $key .= $c;  
   returns a reference to an array of hashes each containing these keys
       } elsif ($in_val) {  'suid', 'type', 'cir', 'mir' and 'mac'
         $val .= $c;  
       }  =cut
     }  
   }  sub sudb_view {
       my $self = shift;
   if (%conf) {  
     return \%conf;      my $lines = $self->cmd( String => 'sudb view', expect => $success ) || [];
   } else {  
     return undef;      return unless @{$lines};
   }  
 }      unless ( $PRIVATE{'Decode'} ) {
           return $lines;
 #=item _decode_each_line      }
   
 sub _decode_each_line      my @sus;
 {      foreach ( @{$lines} ) {
   my @lines = @_;          next unless $_;
   my @decoded;          if (/^\[(\d+)\]\s+(\d+)\s+(\d+)\s+(\d+)\s+([0-9A-Fa-f\s]+)$/) {
   foreach my $line (@lines) {              my %s = (
     my $decoded = _decode_lines($line);                  suid => $1,
     push @decoded, $decoded if defined $decoded;                  type => $2,
   }                  cir  => $3,
   return \@decoded;                  mir  => $4,
 }                  mac  => $5,
               );
 #=item _decode_sulog  
               $s{'mac'} =~ s/\s//g;
 sub _decode_sulog              $s{'mac'} = uc( $s{'mac'} );
 {  
   my @lines = @_;              push @sus, \%s;
   my @decoded;          }
   my $last_tm;      }
   foreach my $line (@lines) {  
     my $decoded = _decode_lines($line);      return \@sus;
   }
     if (defined $decoded) {  
       if ($decoded->{'tm'}) {  =pod
         $last_tm = $decoded->{'tm'};  
         next;  =head2 B<sudb_add> - Adds an su to the sudb
       } else {  
         $decoded->{'tm'} = $last_tm;  Takes the following paramaters
       }  
       next unless $last_tm;      suid : numeric,
       type : (reg|pr)
       push @decoded, $decoded if defined $decoded;      cir  : numeric,
     }      mir  : numeric,
   }      mac  : Almost any format, it will be reformatted,
   return \@decoded;  
 }  and returns true on success or undef otherwise.
   
 1;    $t->sudb_add($suid, 'reg', $cir, $mir, $mac);
 __END__  
   You should save_sudb() after calling this, or your changes  will be lost
 =back  when the AP is rebooted.
   
 =head1 SEE ALSO  =cut
   
 Trango Documentation - http://www.trangobroadband.com/support/product_docs.htm  sub sudb_add {
       my $self = shift;
 L<Net::Telnet>      my $suid = shift;
       my $type = shift;
 =head1 TODO      my $cir  = shift;
       my $mir  = shift;
 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.      my $mac  = shift;
   
 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.      if ( $suid =~ /\D/ ) {
           $self->last_error("Invalid suid '$suid'");
 =head1 AUTHOR          return;
       }
 Andrew Fresh E<lt>andrew@rraz.netE<gt>  
       unless ( lc($type) eq 'reg' || lc($type) eq 'pr' ) {
 =head1 COPYRIGHT AND LICENSE          $self->last_error("Invalid type '$type'");
           return;
 Copyright (C) 2005 by Andrew Fresh      }
   
 This library is free software; you can redistribute it and/or modify      if ( $cir =~ /\D/ ) {
 it under the same terms as Perl itself, either Perl version 5.8.7 or,          $self->last_error("Invalid CIR '$cir'");
 at your option, any later version of Perl 5 you may have available.          return;
       }
   
 =cut      if ( $mir =~ /\D/ ) {
           $self->last_error("Invalid MIR '$mir'");
           return;
       }
   
       my $new_mac = $mac;
       $new_mac =~ s/[^0-9A-Fa-f]//;
       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 @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 ( $PRIVATE{'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");
               }
           }
           else {
               $vals = _decode_lines(@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 ( $PRIVATE{'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;
       }
   
       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;
       }
       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;
       }
   }
   
   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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