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Diff for /trango/Net-Telnet-Trango/lib/Net/Telnet/Trango.pm between version 1.7 and 1.57

version 1.7, 2006/06/28 23:33:18 version 1.57, 2009/07/09 22:50:03
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 package Net::Telnet::Trango;  package Net::Telnet::Trango;
 # $RedRiver: Trango.pm,v 1.6 2006/06/28 22:00:15 andrew Exp $  
 use strict;  # $RedRiver: Trango.pm,v 1.56 2009/07/08 17:16:41 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;
   $t->open( Host => $fox ) or die "Error connecting: $!";    my $t = new Net::Telnet::Trango ( Timeout => 5 );
   
   $t->login('password') or die "Couldn't log in: $!";    $t->open( Host => $ap ) or die "Error connecting: $!";
     
   # Do whatever    $t->login('password') or die "Couldn't log in: $!";
     
   $t->exit;    # Do whatever
   $t->close;  
     $t->exit;
 =head1 DESCRIPTION    $t->close;
   
 Perl access to the telnet interface on Trango Foxes, SUs and APs.  =head1 DESCRIPTION
   
 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.  Perl access to the telnet interface on Trango APs and SUs.
   
 =head2 EXPORT  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
 None  returned.  This makes using the output from things like sysinfo very easy to
   do.
 =cut  
   =head2 EXPORT
 our $VERSION = '0.01';  
   None
 my %PRIVATE = (  
   is_connected => 0,  =head1 METHODS
   logged_in => 0,  
 );  =cut
   
 =pod  our $VERSION = '0.03';
   
 =item new  my $EMPTY = q{};
   my $SPACE = q{ };
 Same as new from L<Net::Telnet> but has defaults for the trango 'Prompt'  
   my %PRIVATE = (
 =cut      is_connected => 0,
       logged_in    => 0,
 sub new  );
 {  
   my $class = shift;  =pod
   
   my %args;  =head2 B<new> - Creates a new Net::Telnet::Trango object.
   if (@_ == 1) {  
     $args{'Host'} = shift;      new([Options from Net::Telnet,]
   } else {          [Decode => 0,]);
     %args = @_;  
   }  Same as new from L<Net::Telnet> but sets the default Trango Prompt:
   '/[\$#]>\s*\Z/'
   $args{'Prompt'}  ||= '/#> *$/';  
   It also takes an optional parameter 'Decode'.  If not defined it
   foreach my $key (keys %args) {  defaults to 1, if it is set to 0, it will not decode the output and
     $PRIVATE{$key} = $args{$key};  instead return a reference to an array of the lines that were returned
   }  from the command.
   
   my $self = $class->SUPER::new(%args);  =cut
   bless $self if ref $self;  
   sub new {
   return $self;      my $class = shift;
 }  
       my %args;
 #  _password <new password> <new password>      if ( @_ == 1 ) {
 #  ? [command]          $args{'Host'} = shift;
 #  apsearch <secs> <ch#> <h|v> [<ch#> <h|v>]...      }
 #  arp -bcast <on|off>      else {
 #  bcastscant <all|suid> <ch#> <h|v> [<ch#> <h|v> ...          %args = @_;
 #  bye      }
 #  cf2cf ap [default|<size>]  
 #  date      $args{'Prompt'} ||= '/[\$#]>\s*\r?\n?$/';
 #  date <month> <day> <year>  
 #  freq scantable      foreach my $key ( keys %args ) {
 #  freq channeltable          $PRIVATE{$key} = $args{$key};
 #  freq writescan [<ch#> <h|v>]      }
 #  freq writechannel [<ch#> <freq>] ...      $PRIVATE{'Decode'} = 1 unless defined $PRIVATE{'Decode'};
 #  freq <ch #> <h|v>      delete $args{'Decode'};
 #  help [command]  
 #  heater [<on temp> <off temp>]      my $self = $class->SUPER::new(%args);
 #  ipconfig [<new ip> <new subnet mask> <new gateway>]      bless $self if ref $self;
 #  log [<# of entries, 1..179>]  
 #  log <sum> <# of entries, 1..179>      return $self;
 #  logout  }
 #  opmode [ap [y]]  
 #  password  #  _password <new password> <new password>
 #  ping <ip addr>  #  ? [command]
 #  polar <h|v>  #  apsearch <secs> <ch#> <h|v> [<ch#> <h|v>]...
 #  power <setism|setunii> <max|min|<dBm>>  #  arp -bcast <on|off>
 #  reboot  #  bcastscant <all|suid> <ch#> <h|v> [<ch#> <h|v> ...
 #  restart  #  bye
 #  remarks [<str>]  #  cf2cf ap [default|<size>]
 #  rfrxthreshold [<ism|unii> <-90|-85|-80|-75|-70|-65>]  #  date
 #  rfrxth [<ism|unii> <-90|-85|-80|-75|-70|-65>]  #  date <month> <day> <year>
 #  sysinfo  #  freq scantable
 #  set suid <id>  #  freq channeltable
 #  set apid <id>  #  freq writescan [<ch#> <h|v>]
 #  set baseid <id>  #  freq writechannel [<ch#> <freq>] ...
 #  set defaultopmode [<ap|su> <min,0..10>]  #  freq <ch #> <h|v>
 #  set defaultopmode off  #  help [command]
 #  set snmpcomm [<read | write | trap (id or setall)> <str>]  #  heater [<on temp> <off temp>]
 #  set mir [on|off]  #  ipconfig [<new ip> <new subnet mask> <new gateway>]
 #  set mir threshold <kbps>  #  linktest <suid> [<pkt len, bytes> [<# of pkts> [<# of cycle>]]]
 #  set rssitarget [<ism|unii> <dBm>]  #  log [<# of entries, 1..179>]
 #  set serviceradius [<ism | unii> <miles>]  #  log <sum> <# of entries, 1..179>
 #  ssrssi <ch #> <h|v>  #  logout
 #  su [<suid>|all]  #  opmode [ap [y]]
 #  su changechannel <all|suid> <ch#> <h|v>  #  password
 #  su ipconfig <suid> <new ip> <new subnet> <new gateway>  #  ping <ip addr>
 #  su [live|poweroff|priority]  #  polar <h|v>
 #  su <ping|info|status> <suid>  #  power <setism|setunii> <max|min|<dBm>>
 #  su powerleveling <all|suid>  #  reboot
 #  su reboot <all|suid>  #  restart
 #  su restart <all|suid>  #  remarks [<str>]
 #  su testrflink <all|suid> [r]  #  rfrxthreshold [<ism|unii> <-90|-85|-80|-75|-70|-65>]
 #  su testrflink <setlen> [64..1600]  #  rfrxth [<ism|unii> <-90|-85|-80|-75|-70|-65>]
 #  su testrflink <aptx> [20..100]  #  sysinfo
 #  su sw <suid|all> <sw #> <on|off>  #  set suid <id>
 #  sudb [dload | view]  #  set apid <id>
 #  sudb add <suid> pr <cir,kbps> <mir,kbps> <device id,hex>  #  set baseid <id>
 #  sudb add <suid> reg <cir,kbps> <mir,kbps> <device id,hex>  #  set defaultopmode [<ap|su> <min,0..10>]
 #  sudb delete <all|<suid>>  #  set defaultopmode off
 #  sudb modify <suid> <cir|mir> <kbps>  #  set snmpcomm [<read | write | trap (id or setall)> <str>]
 #  sudb modify <suid> <su2su> <group id,hex>  #  set mir [on|off]
 #  sudb view  #  set mir threshold <kbps>
 #  sulog [lastmins | sampleperiod <1..60>]  #  set rssitarget [<ism|unii> <dBm>]
 #  sulog [<# of entry,1..18>]  #  set serviceradius [<ism | unii> <miles>]
 #  survey <ism|unii> <time, sec> <h|v>  #  ssrssi <ch #> <h|v>
 #  sw [<sw #> <on|off>]  #  su [<suid>|all]
 #  temp  #  su changechannel <all|suid> <ch#> <h|v>
 #  tftpd [on|off]  #  su ipconfig <suid> <new ip> <new subnet> <new gateway>
 #  time  #  su [live|poweroff|priority]
 #  time <hour> <min> <sec>  #  su <ping|info|status> <suid>
 #  save <mainimage|fpgaimage> <current chksum> <new chksum>  #  su powerleveling <all|suid>
 #  save <systemsetting|sudb>  #  su reboot <all|suid>
 #  updateflash <mainimage|fpgaimage> <current chksum> <new chksum>  #  su restart <all|suid>
 #  updateflash <systemsetting|sudb>  #  su testrflink <all|suid> [r]
   #  su testrflink <setlen> [64..1600]
 =pod  #  su testrflink <aptx> [20..100]
   #  su sw <suid|all> <sw #> <on|off>
 =head1 METHODS  #  sudb [dload | view]
   #  sudb add <suid> pr <cir,kbps> <mir,kbps> <device id,hex>
 =head2 ACCESSORS  #  sudb add <suid> reg <cir,kbps> <mir,kbps> <device id,hex>
   #  sudb delete <all|<suid>>
 =over  #  sudb modify <suid> <cir|mir> <kbps>
   #  sudb modify <suid> <su2su> <group id,hex>
 =item Host  #  sudb view
   #  sulog [lastmins | sampleperiod <1..60>]
 returns the name of the host that you are accessing  #  sulog [<# of entry,1..18>]
   #  survey <ism|unii> <time, sec> <h|v>
 =item firmware_version  #  sw [<sw #> <on|off>]
   #  temp
 returns the firmware version on the trango if available otherwise undef.    #  tftpd [on|off]
 Available after a successful open()  #  time
 This is usually only set internally  #  time <hour> <min> <sec>
   #  save <mainimage|fpgaimage> <current chksum> <new chksum>
 =item host_type  #  save <systemsetting|sudb>
   #  updateflash <mainimage|fpgaimage> <current chksum> <new chksum>
 returns the type of host from the login banner for example M5830S or M5300S.    #  updateflash <systemsetting|sudb>
 Available after a successful open()  
 This is usually only set internally  =pod
   
 =item is_connected  =head1 ACCESSORS
   
 returns 1 after a successful open() otherwise undef  These are usually only set internally.
 This is usually only set internally  
   =head2 B<firmware_version> - returns the firmware version
 =item logged_in  
   Returns the firmware version if available, otherwise undef.
 returns 1 after a successful login() 0 if it failed and undef if  
 login() was never called  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 login_banner  
   returns the type of host from the login banner for example M5830S or M5300S.
 returns the banner that is displayed when first connected at login.  Only set after a successful open()  
   Should be available after a successful open().
 This is usually only set internally  
   =head2 B<is_connected> - Status of the connection to host.
 =item last_lines  
   returns 1 when connected, undef otherwise.
 returns the output from the last cmd() that was run as an array ref  
 This is usually only set internally  =head2 B<logged_in> - Status of being logged in to the host.
   
 =back  returns 1 after a successful login(), 0 if it failed and undef if
   login() was never called.
 =head2 ALIASES  
   =head2 B<login_banner> - The banner when first connecting to the host.
 =over  
   returns the banner that is displayed when first connected at login.
 =item bye  Only set after a successful open().
   
 alias of exit()  =head2 B<last_lines> - The last lines of output from the last cmd().
   
 =item restart  returns, as an array ref, the output from the last cmd() that was run.
   
 alias of reboot()  =head2 B<last_error> - A text output of the last error that was encountered.
   
 =back  returns the last error reported.  Probably contains the last entry in
   last_lines.
 =head2 COMMANDS  
   =head1 ALIASES
 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<bye> - alias of exit()
   
 =over  Does the same as exit()
   
 =item tftpd  =head2 B<restart> - alias of reboot()
   
 Returns a hash ref of the decoded output from the command.  Does the same as reboot()
   
 Also see enable_tftpd() and disable_tftpd() as those check for correct output  =head2 B<save_systemsetting> - alias of save_ss()
   
 =item ver  Does the same as save_ss()
   
 Returns a hash ref of the decoded output from the command.  =head1 COMMANDS
   
 =item sysinfo  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 exit  
   =head2 B<tftpd> - The output from the tftpd command
 exits the command session with the trango and closes the connection  
   Returns a hash ref of the decoded output from the
 =item reboot  command.
   
 reboots the trango and closes the connection  Also see enable_tftpd() and disable_tftpd() as those check that it was
   successfully changed.
 =item sulog  
   =head2 B<ver> - The output from the ver command
 returns an array ref of hashes containing each log line.  
   Returns a hash ref of the decoded output from the
 =cut  command.
   
   =head2 B<sysinfo> - The output from the sysinfo command
 my $success = 'Success.';  
 my %COMMANDS = (  Returns a hash ref of the decoded output from the
   tftpd       => { decode => 'all',   expect => $success },  command.
   ver         => { decode => 'all' },  
   sysinfo     => { decode => 'all',   expect => $success },  =head2 B<exit> - Exits the connection
   updateflash => { decode => 'all',   expect => $success },  
   sulog       => { decode => 'sulog', expect => $success },  exits the command session with the Trango and closes
   'exit'      => { no_prompt => 1, cmd_disconnects => 1 },  the connection
   reboot      => { no_prompt => 1, cmd_disconnects => 1 },  
   sudb_save   => { String => "sudb save", expect => $success },  =head2 B<reboot> - Sends a reboot command
   #su password???  
   #_bootloader  reboots the Trango and closes the connection
   #temp  
   #heater  =head2 B<remarks> - Set or retrieve the remarks.
 );  
   Takes an optional argument, which sets the remarks.
 my %ALIASES = (  If there is no argument, returns the current remarks.
   bye     => 'exit',  
   restart => 'reboot',    my $old_remarks = $t->remarks();
 );    $t->remarks($new_remarks);
   
 my %ACCESS = map { $_ => 1 } qw(  =head2 B<sulog> - The output from the sulog command
   firmware_version  
   host_type  Returns an array ref of hashes containing each log
   Host  line.
   is_connected  
   logged_in  =head2 B<save_sudb> - saves the sudb
   login_banner  
   Timeout  Returns true on success, undef on failure
   last_lines  
   last_vals  =head2 B<syslog> - The output from the sulog command
 );  
   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 $AUTOLOAD) =~ /^.*::(\w+)$/  
     or die "Weird: $AUTOLOAD";  =head2 B<maclist> - retrieves the maclist
   
   if (exists $ALIASES{$method}) {  Returns the output from the maclist command
     $method = $ALIASES{$method};  
     return $self->$method(@_);  =head2 B<maclist_reset> - resets the maclist.
   }  
   No useful output.
   if (exists $COMMANDS{$method}) {  
     $method = shift if (@_ == 1);  =head2 B<eth_link> - eth link command
     $COMMANDS{$method}{'String'} ||= $method;  
     return $self->cmd(%{ $COMMANDS{$method} }, @_);  Returns the output from the eth link command
   }  
   This command seems to cause some weird issues.  It often will cause the
   if (exists $ACCESS{$method}) {  command after it to appear to fail.  I am not sure why.
     my $prev = $PRIVATE{$method};  
     ($PRIVATE{$method}) = @_ if @_;  =head2 B<su_info> - gets the su info
     return $prev;  
   }  Returns information about the SU.
   
   $method = "SUPER::$method";  You need to pass in the $suid and it will return the info for that suid.
   return $self->$method(@_);  
 }    $t->su_info($suid);
   
 =pod  =head2 B<su_testrflink> - tests the RF Link to an su
   
 =item open    $t->su_testrflink($suid|'all');
   
 Calls Net::Telnet::open() then makes sure you get a password prompt so you are ready to login() and parses the login banner so you can get host_type() and firmware_version()  =head2 B<save_ss> - saves the config.
   
 =cut  Returns 1 on success, undef on failure.
   
 sub open  =head2 B<opmode> - sets opmode ap y or returns the opmode
 {  
   my $self = shift;      $t->opmode([ap y]);
   
   unless ( $self->SUPER::open(@_) ) {  =cut
     #$! = "Couldn't connect to " . $self->Host . ":  $!";  
     return undef;  my $success  = 'Success\\.';
   }  my %COMMANDS = (
       _clear      => { String    => "\n" },
   ## Get to login prompt      tftpd       => { decode    => 'all', expect => $success },
   unless ($self->waitfor(      ver         => { decode    => 'all' },
       -match => '/password: ?$/i',      sysinfo     => { decode    => 'all', expect => $success },
       -errmode => "return",      updateflash => { decode    => 'all', expect => $success },
     ) ) {      sulog       => { decode    => 'sulog', expect => $success },
     #$! = "problem connecting to host (" . $self->Host . "): " .      'exit'      => { no_prompt => 1, cmd_disconnects => 1 },
     #    $self->lastline;      reboot      => { no_prompt => 1, cmd_disconnects => 1 },
     return undef;      remarks     => { decode    => 'all', expect => $success },
   }      save_sudb   => { String    => 'save sudb', expect => $success },
       syslog      => { expect    => $success },
   $self->parse_login_banner($self->lastline);      'pipe'  => {},                        # XXX needs a special decode
       maclist => { decode => 'maclist' },
   $self->is_connected(1);      maclist_reset => { String => 'maclist reset', expect => 'done' },
       eth_link => { String => 'eth link', expect => $success },
   return $self->is_connected;      su_info  => { String => 'su info',  decode => 'all', expect => $success },
 }      su_testrflink =>
           { String => 'su testrflink', decode => 'each', expect => $success },
 =pod      save_ss => { String => 'save ss', expect => $success },
       opmode  => { decode => 'all',     expect => $success },
 =item login      arq     => { decode => 'all' },
   );
 Calls open() if not already connected, then sends the password and sets logged_in() if successful  
   my %ALIASES = (
 =cut      bye               => 'exit',
       restart           => 'reboot',
 sub login      Host              => 'host',
 {      save_systemseting => 'save_ss',
   my $self = shift;  );
   
   unless ($self->is_connected) {  my %ACCESS = map { $_ => 1 } qw(
     $self->open or return undef;      firmware_version
   }      host_type
       is_connected
   my $password = shift;      logged_in
       login_banner
   $self->print($password);      Timeout
   unless ($self->waitfor(      last_lines
     -match => $self->prompt,      last_vals
     -errmode => "return",      last_error
   ) ) {      Decode
     #$! = "login ($self->Host) failed: " . $self->lastline;  );
     return undef;  
   }  sub AUTOLOAD {
       my $self = shift;
   $self->logged_in(1);  
       my ($method) = ( our $AUTOLOAD ) =~ /^.*::(\w+)$/
   return $self->logged_in;          or die "Weird: $AUTOLOAD";
 }  
       if ( exists $ALIASES{$method} ) {
 =pod          $method = $ALIASES{$method};
           return $self->$method(@_);
 =item parse_login_banner      }
   
 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()      if ( exists $COMMANDS{$method} ) {
           my %cmd;
 =cut          foreach my $k ( keys %{ $COMMANDS{$method} } ) {
               $cmd{$k} = $COMMANDS{$method}{$k};
 sub parse_login_banner          }
 {          $cmd{'String'} ||= $method;
   my $self = shift;          $cmd{'args'} .= $SPACE . shift if ( @_ == 1 );
           return $self->cmd( %cmd, @_ );
   if (@_) {      }
     $self->login_banner(@_);  
   }      if ( exists $ACCESS{$method} ) {
           my $prev = $PRIVATE{$method};
   my $banner = $self->login_banner;          ( $PRIVATE{$method} ) = @_ if @_;
           return $prev;
   my ($type, $ver) = $banner =~      }
     /Welcome to Trango Broadband Wireless (\S+)[\s-]+(.+)$/i;  
       $method = "SUPER::$method";
   $self->login_banner($banner);      return $self->$method(@_);
   $self->host_type($type);  }
   $self->firmware_version($ver);  
   =pod
   return 1;  
 }  =head2 B<open> - Open a connection to a Trango AP.
   
 =pod  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
 =item su_password  host_type() and firmware_version()
   
 C<su_password('all'|suid, 'new_password')>  =cut
   
 =cut  sub open {
       my $self = shift;
 sub su_password  
 {      unless ( $self->SUPER::open(@_) ) {
   my $self     = shift;          $self->last_error( "Couldn't connect to " . $self->host . ":  $!" );
   my $su       = shift || '!';          return;
   my $new_pass = shift || '';      }
   
   unless (defined $su) {      ## Get to login prompt
     warn "No su passed!"      unless (
     #return undef;          $self->waitfor(
   }              -match   => '/password: ?$/i',
               -errmode => "return",
   unless (defined $new_pass) {          )
     warn "No new password!"            )
     #return undef;      {
   }          $self->last_error( "problem connecting to host ("
                   . $self->host . "): "
   return $self->cmd(String => 'su password ' .                  . $self->lastline );
                      $su . ' ' .          return;
                      $new_pass . ' ' .      }
                      $new_pass,  
                      expect => $success,      $self->parse_login_banner( $self->lastline );
                     );  
 }      $self->is_connected(1);
   
       return $self->is_connected;
 =pod  }
   
 =item sudb_view  =pod
   
 returns a reference to an array of hashes each containing:  =head2 B<login> - Login to the AP.
   
   suid  Calls open() if not already connected, then sends the password and sets
   type  logged_in() if successful
   cir  
   mir  =cut
   mac  
   sub login {
 =cut      my $self = shift;
   
 sub sudb_view      unless ( $self->is_connected ) {
 {          $self->open or return;
   my $self = shift;      }
   
   my @lines = $self->cmd( String => 'sudb view', expect => $success );      my $password = shift;
   
   return undef unless @lines;      $self->print($password);
       unless (
   my @sus;          $self->waitfor(
   foreach (@lines) {              -match   => $self->prompt,
     if (/^\[(\d+)\]\s+(\d+)\s+(\d+)\s+(\d+)\s+([0-9A-Fa-f\s]+)$/) {              -errmode => "return",
       my %s = (          )
         suid => $1,          )
         type => $2,      {
         cir  => $3,          $self->last_error( "login ($self->host) failed: " . $self->lastline );
         mir  => $4,          return;
         mac  => $5,      }
       );  
       $self->logged_in(1);
           $s{'mac'} =~ s/\s//g;  
           $s{'mac'} = uc($s{'mac'});      return $self->logged_in;
   }
       push @sus, \%s;  
     }  =pod
   }  
   =head2 B<parse_login_banner> - Converts the login_banner to something useful.
   return \@sus;  
 }  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
 =pod  host_type() and firmware_version() as well as login_banner()
   
 =item sudb_add  =cut
   
 Takes the following paramaters  sub parse_login_banner {
       my $self = shift;
         suid : numeric,  
         type : (reg|pr)      if (@_) {
         cir  : numeric,          $self->login_banner(@_);
         mir  : numeric,      }
         mac  : Almost any format, it will be reformatted,  
       my $banner = $self->login_banner;
 and returns true on success or undef otherwise.  
       my ( $type, $sep1, $subtype, $sep2, $ver )
 You should sudb_save() after calling this, or your changes  will be lost          = $banner
 when the AP is rebooted.          =~ /Welcome to Trango Broadband Wireless,? (\S+)([\s-]+)(\S+)([\s-]+)(.+)$/i;
   
 =cut      $type .= $sep1 . $subtype;
       $ver = $subtype . $sep2 . $ver;
 sub sudb_add  
 {      $self->login_banner($banner);
         my $self = shift;      $self->host_type($type);
         my $suid = shift;      $self->firmware_version($ver);
         my $type = shift;  
         my $cir  = shift;      return 1;
         my $mir  = shift;  }
         my $mac  = shift;  
   =pod
         if ($suid =~ /\D/) {  
                 return undef;  =head2 B<linktest> - Link test to SU
         }  
   linktest('suid'[, 'pkt len, bytes'[, '# of pkts'[, '# of cycles']]]);
         unless (lc($type) eq 'reg' || lc($type) eq 'pr') {  
                 warn "Invalid type '$type'!";  Returns a hash reference to the results of the test
                 return undef;  
         }  =cut
   
         if ($cir =~ /\D/) {  sub linktest {
                 warn "Invalid CIR '$cir'!";      my $self = shift;
                 return undef;      my $suid = shift;
         }  
       # These numbers are what I found as defaults when running the command
         if ($mir =~ /\D/) {      my $pkt_len = shift || 1600;
                 warn "Invalid MIR '$mir'!";      my $pkt_cnt = shift || 500;
                 return undef;      my $cycles  = shift || 10;
         }  
       my %config = @_;
         my $new_mac = $mac;  
         $new_mac =~ s/[^0-9A-Fa-f]//;      # * 2, one for the FromAP, one FromSU.  Then / 1000 to get to ms.
         unless (length $new_mac == 12) {      # XXX This might need to be changed, this makes the default timeout the
                 warn "Invalid MAC '$mac'!";      # same as $pkt_len, and that might not be enough at slower speeds.
                 return undef;      $config{Timeout} ||= int( ( $pkt_len * $pkt_cnt * $cycles * 2 ) / 1000 );
         }  
         $new_mac = join ' ', $new_mac =~ /../g;      my $string = join $SPACE, 'linktest', $suid, $pkt_len, $pkt_cnt, $cycles;
       return $self->cmd(
         my $string = 'sudb add ' .          %config,
                 $suid . ' ' .          String => $string,
                 $type . ' ' .          decode => 'linktest',
                 $cir  . ' ' .      );
                 $mir  . ' ' .  
                 $new_mac;  }
   
   =pod
         return $self->cmd( String => $string, expect => $success );  
 }  =head2 B<su_password> - Set the password on SUs connected to the AP.
   
 =pod  su_password('new_password'[, 'suid']) If no suid is specified,
   the default is "all".
 =item sudb_delete  
     $t->su_password('good_pass', 5);
 Takes either 'all' or the  suid of the su to delete  
 and returns true on success or undef otherwise.  =cut
   
 You should sudb_save() after calling this, or your changes  will be lost  sub su_password {
 when the AP is rebooted.      my $self     = shift;
       my $new_pass = shift || $EMPTY;
 =cut      my $su       = shift || 'all';
   
 sub sudb_delete      unless ( defined $new_pass ) {
 {          $self->last_error("No new password");
         my $self = shift;  
         my $suid = shift;          #return;
       }
         if (lc($suid) ne 'all' || $suid =~ /\D/) {  
                 return undef;      return $self->cmd(
         }          String => 'su password '
               . $su
         return $self->cmd( String => 'sudb delete ' . $suid, expect => $success );              . $SPACE
 }              . $new_pass
               . $SPACE
               . $new_pass,
 =pod          expect => $success,
       );
 =item sudb_modify  }
   
 Takes either the  suid of the su to delete  =pod
 as well as what you are changing, either "cir, mir or su2su"  
 and returns true on success or undef otherwise.  =head2 B<su_ipconfig> - Change IP configuration on SUs connected to the AP.
   
 cir and mir also take a value to set the cir/mir to.  su_ipconfig( 'suid', 'new_ip', 'new_subnet', 'new_gateway' )
   
 su2su takes a group id parameter that is in hex.    $t->su_ipconfig( 5, '10.0.1.5', '255.255.255.0', '10.0.1.1' );
   
 You should sudb_save() after calling this, or your changes  will be lost  =cut
 when the AP is rebooted.  
   sub su_ipconfig {
 =cut      my $self = shift;
   
 sub sudb_modify      my $suid        = shift;
 {      my $new_ip      = shift;
         my $self  = shift;      my $new_subnet  = shift;
         my $suid  = shift;      my $new_gateway = shift;
         my $opt   = shift;  
         my $value = shift;      if ( $suid =~ /\D/ ) {
           $self->last_error("Invalid suid '$suid'");
         if ($suid =~ /\D/) {          return;
                 return undef;      }
         }      unless ($new_ip) {
           $self->last_error("no new_ip passed");
         if (lc($opt) eq 'cir' or lc($opt) eq 'mir') {          return;
                 if ($value =~ /\D/) {      }
                         return undef;      unless ($new_subnet) {
                 }          $self->last_error("no new_subnet passed");
         } elsif (lc($opt) eq 'su2su') {          return;
                 if ($value =~ /[^0-9A-Za-f]/) {      }
                         return undef;      unless ($new_gateway) {
                 }          $self->last_error("no new_gateway passed");
         } else {          return;
                 return undef;      }
         }  
       # su ipconfig <suid> <new ip> <new subnet> <new gateway>
         my $string = 'sudb modify ' . $suid . ' ' . $opt . ' ' . $value;      return $self->cmd(
           String => 'su ipconfig '
         return $self->cmd( String => $string, expect => $success );              . $suid
 }              . $SPACE
               . $new_ip
 =pod              . $SPACE
               . $new_subnet
 =item enable_tftpd              . $SPACE
               . $new_gateway,
 runs C<tftpd(args =E<gt> 'on')> and makes sure that Tftpd is now 'listen'ing          expect => $success,
       );
 =cut  }
   
 sub enable_tftpd  =pod
 {  
   my $self = shift;  =head2 B<sudb_view> - Returns the output from the sudb view command
   
   my $vals = $self->tftpd( args => 'on' );  returns a reference to an array of hashes each containing these keys
   'suid', 'su2su', 'type', 'cir', 'mir' and 'mac'
   if ($vals->{'Tftpd'} eq 'listen') {  
     return $vals;  =cut
   } else {  
     return undef;  sub sudb_view {
   }      my $self = shift;
 }  
       my $lines = $self->cmd( String => 'sudb view', expect => $success ) || [];
 =pod  
       return unless @{$lines};
 =item disable_tftpd  
       unless ( $PRIVATE{'Decode'} ) {
 runs C<tftpd(args =E<gt> 'off')> and makes sure that Tftpd is now 'disabled'          return $lines;
       }
 =cut  
       my @sus;
 sub disable_tftpd      foreach ( @{$lines} ) {
 {          next unless $_;
   my $self = shift;          if (/^
               \[(\d+)\]
   my $vals = $self->tftpd( args => 'off' );              \s+
               [[:xdigit:]]{2}
   if (ref $vals eq 'HASH' && $vals->{'Tftpd'} eq 'disabled') {              ([[:xdigit:]])
     return $vals;              ([[:xdigit:]])
   } else {              \s+
     return undef;              (\d+)
   }              \s+
 }              ([[:xdigit:]\s]+)
           $/ixms
 =pod              )
           {
 =item cmd              my %s = (
                   suid  => $1,
 This does most of the work.  At the heart, it calls Net::Telnet::cmd() but it also does some special stuff for Trango.                  su2su => $2 ? $2 : undef,
                   type  => $3 == 1 ? 'reg' : $3 == 5 ? 'pri' : $3,
 Normally returns the last lines from from the command                  cir   => $4,
                   mir   => $5,
 Also accepts these options:                  mac   => $6,
               );
 I<decode>  
 - if this is true, then it will send the output lines to _decode_lines() and then returns the decoded output              $s{'mac'} =~ s/\s//gxms;
               $s{'mac'} = uc( $s{'mac'} );
 I<cmd_disconnects>  
 - if this is true, it then sets logged_in() to false, then it will close() the connection and then sets is_connected() to false              push @sus, \%s;
           }
 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  
       return \@sus;
 I<args>  }
 - a string containing the command line options that are passed to the command  
   =pod
 =cut  
   =head2 B<sudb_add> - Adds an su to the sudb
 sub cmd  
 {  Takes the following paramaters
   my $self = shift;  
       suid : numeric,
   my @valid_net_telnet_opts = qw(      type : (reg|pr)
     String      cir  : numeric,
     Output      mir  : numeric,
     Cmd_remove_mode      mac  : Almost any format, it will be reformatted,
     Errmode  
     Input_record_separator  and returns true on success or undef otherwise.
     Ors  
     Output_record_separator    $t->sudb_add($suid, 'reg', $cir, $mir, $mac);
     Prompt  
     Rs  You should save_sudb() after calling this, or your changes  will be lost
     Timeout  when the AP is rebooted.
   );  
   =cut
   my %cfg;  
   if (@_ == 2) {  sub sudb_add {
     $cfg{'String'} = shift;      my $self = shift;
   } elsif (@_ > 2) {      my $suid = shift;
     %cfg = @_;      my $type = shift;
   }      my $cir  = shift;
       my $mir  = shift;
   $cfg{'Timeout'} ||= $self->Timeout;      my $mac  = shift;
   
   unless ($cfg{'String'}) {      if ( $suid =~ /\D/ ) {
     #$! = "No command passed";          $self->last_error("Invalid suid '$suid'");
     #warn "No command passed\n";          return;
     return undef;      }
   }  
       unless ( lc($type) eq 'reg' || lc($type) eq 'pr' ) {
   unless ($self->is_connected) {          $self->last_error("Invalid type '$type'");
     #$! = "Not connected";          return;
     #warn "Not connected\n";      }
     return undef;  
   }      if ( $cir =~ /\D/ ) {
           $self->last_error("Invalid CIR '$cir'");
   unless ($self->logged_in) {          return;
     #$! = "Not logged in";      }
     #warn "Not logged in\n";  
     return undef;      if ( $mir =~ /\D/ ) {
   }          $self->last_error("Invalid MIR '$mir'");
           return;
       }
   my %cmd;  
   foreach (@valid_net_telnet_opts) {      my $new_mac = $mac;
     if (exists $cfg{$_}) {      $new_mac =~ s/[^0-9A-Fa-f]//g;
       $cmd{$_} = $cfg{$_};      unless ( length $new_mac == 12 ) {
     }          $self->last_error("Invalid MAC '$mac'");
   }          return;
   if ($cfg{'args'}) {      }
     $cmd{'String'} .= ' ' . $cfg{'args'};      $new_mac = join $SPACE, $new_mac =~ /../g;
   }  
   my @lines;      my $string
   unless ($cfg{'no_prompt'}) {          = 'sudb add '
     @lines = $self->SUPER::cmd(%cmd);          . $suid
   } else {          . $SPACE
     $self->print($cmd{'String'});          . $type
     @lines = $self->lastline;          . $SPACE
   }          . $cir
           . $SPACE
   $self->last_lines(\@lines);          . $mir
           . $SPACE
   my $vals = 1;          . $new_mac;
   if ($cfg{'decode'}) {  
     if ($cfg{'decode'} eq 'each') {      return $self->cmd( String => $string, expect => $success );
       $vals = _decode_each_line(@lines);  }
     } elsif ($cfg{'decode'} eq 'sulog') {  
       $vals = _decode_sulog(@lines);  =pod
     } else {  
       $vals = _decode_lines(@lines);  =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.
   $self->last_vals($vals);  
     $t->sudb_delete($suid);
   
   my $last = $self->lastline;  You should save_sudb() after calling this, or your changes  will be lost
   when the AP is rebooted.
   if ((not $cfg{'expect'}) || $last =~ /$cfg{'expect'}$/) {  
     if ($cfg{'cmd_disconnects'}) {  =cut
       $self->logged_in(0);  
       $self->close;  sub sudb_delete {
       $self->is_connected(0);      my $self = shift;
     }      my $suid = shift;
   
     if ($cfg{'decode'}) {      #if (lc($suid) ne 'all' || $suid =~ /\D/) {
       return $vals;      if ( $suid =~ /\D/ ) {
     } else {          $self->last_error("Invalid suid '$suid'");
       return @lines;          return;
     }      }
   } else {  
     #$! = "Error with command ($cfg{'string'}): $last";      return $self->cmd( String => 'sudb delete ' . $suid, expect => $success );
     return undef;  }
   }  
 }  =pod
   
 #=item _decode_lines  =head2 B<sudb_modify> - changes the su information in the sudb
   
 sub _decode_lines  Takes either the  suid of the su to change
 {  as well as what you are changing, either "cir, mir or su2su"
   my @lines = @_;  and returns true on success or undef otherwise.
   
   my %conf;  cir and mir also take a value to set the cir/mir to.
   
   my $key = '';  su2su takes a group id parameter that is in hex.
   my $val = '';  
   my $in_key = 0;    $t->sudb_modify($suid, 'cir', 512);
   my $in_val = 0;  
   You should save_sudb() after calling this, or your changes  will be lost
   foreach my $line (@lines) {  when the AP is rebooted.
     next if $line =~ /$success$/;  
   =cut
     my @chars = split //, $line;  
   sub sudb_modify {
     my $last_key = '';      my $self  = shift;
     foreach my $c (@chars) {      my $suid  = shift;
       my $opt   = shift;
       if ($c eq '[' || $c eq "\r" || $c eq "\n") {      my $value = shift;
         if ($c eq '[') {  
           $in_key = 1;      if ( $suid =~ /\D/ ) {
           $in_val = 0;          $self->last_error("Invalid suid '$suid'");
         } else {          return;
           $in_key = 0;      }
           $in_val = 0;  
         }      if ( lc($opt) eq 'cir' or lc($opt) eq 'mir' ) {
           if ( $value =~ /\D/ ) {
         if ($key) {              $self->last_error("Invalid $opt '$value'");
           $key =~ s/^\s+//;              return;
           $key =~ s/\s+$//;          }
       }
           $val =~ s/^\s+//;      elsif ( lc($opt) eq 'su2su' ) {
           $val =~ s/\s+$//;          if ( $value =~ /[^0-9A-Za-f]/ ) {
               $self->last_error("Invalid MAC '$value'");
           if ($key eq 'Checksum' && $last_key) {              return;
             # Special case for these bastids.          }
             my $new = $last_key;      }
             $new =~ s/\s+\S+$//;      else {
             $key = $new . " " . $key;          $self->last_error("Invalid option '$opt'");
           }          return;
       }
           $last_key = $key;  
           $conf{$key} = $val;      my $string = 'sudb modify ' . $suid . $SPACE . $opt . $SPACE . $value;
           $key = '';  
           $val = '';      return $self->cmd( String => $string, expect => $success );
         }  }
   
       } elsif ($c eq ']') {  =pod
         $in_val = 1;  
         $in_key = 0;  =head2 B<enable_tftpd> - enable the TFTP server
         $c = shift @chars;  
   runs C<tftpd(args =E<gt> 'on')> and makes sure that Tftpd is now 'listen'ing
       } elsif ($in_key) {  
         $key .= $c;  =cut
   
       } elsif ($in_val) {  sub enable_tftpd {
         $val .= $c;      my $self = shift;
       }  
     }      my $vals = $self->tftpd( args => 'on' );
   }  
       if ( ref $vals eq 'HASH' && $vals->{'Tftpd'} eq 'listen' ) {
   if (%conf) {          return $vals;
     return \%conf;      }
   } else {      else {
     return undef;          return;
   }      }
 }  }
   
 #=item _decode_each_line  =pod
   
 sub _decode_each_line  =head2 B<disable_tftpd> - disable the TFTP server
 {  
   my @lines = @_;  runs C<tftpd(args =E<gt> 'off')> and makes sure that Tftpd is now 'disabled'
   my @decoded;  
   foreach my $line (@lines) {  =cut
     my $decoded = _decode_lines($line);  
     push @decoded, $decoded if defined $decoded;  sub disable_tftpd {
   }      my $self = shift;
   return \@decoded;  
 }      my $vals = $self->tftpd( args => 'off' );
   
 #=item _decode_sulog      if ( ref $vals eq 'HASH' && $vals->{'Tftpd'} eq 'disabled' ) {
           return $vals;
 sub _decode_sulog      }
 {      else {
   my @lines = @_;          return;
   my @decoded;      }
   my $last_tm;  }
   foreach my $line (@lines) {  
     my $decoded = _decode_lines($line);  =pod
   
     if (defined $decoded) {  =head2 B<cmd> - runs a command on the AP.
       if ($decoded->{'tm'}) {  
         $last_tm = $decoded->{'tm'};  This does most of the work.  At the heart, it calls Net::Telnet::cmd()
         next;  but it also does some special stuff for Trango.
       } else {  
         $decoded->{'tm'} = $last_tm;  Normally returns the last lines from from the command
       }  
       next unless $last_tm;  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
       push @decoded, $decoded if defined $decoded;  some of the other commands are called.
     }  
   }  In addition to the Net::Telnet::cmd() options, it also accepts these:
   return \@decoded;  
 }  I<decode>
   - if this is true, then it will send the output lines to _decode_lines()
 1;  and then returns the decoded output
 __END__  
   I<no_prompt>
 =back  - if this is true, it does not wait for a prompt, so you are not stuck
   waiting for something that will never happen.
 =head1 SEE ALSO  
   I<cmd_disconnects>
 Trango Documentation - http://www.trangobroadband.com/support/product_docs.htm  - if this is true, it then sets logged_in() to false, then it will
   close() the connection and set is_connected() to false
 L<Net::Telnet>  
   I<expect>
 =head1 TODO  - 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
 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.  command probably failed
   
 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.  I<args>
   - a string containing the command line options that are passed to the
 =head1 AUTHOR  command
   
 Andrew Fresh E<lt>andrew@rraz.netE<gt>      $t->cmd( String => 'exit', no_prompt => 1, cmd_disconnects => 1 );
   
 =head1 COPYRIGHT AND LICENSE  =cut
   
 Copyright (C) 2005 by Andrew Fresh  sub cmd {
       my $self = shift;
 This library is free software; you can redistribute it and/or modify  
 it under the same terms as Perl itself, either Perl version 5.8.7 or,      my @valid_net_telnet_opts = qw(
 at your option, any later version of Perl 5 you may have available.          String
           Output
           Cmd_remove_mode
 =cut          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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