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Diff for /trango/Net-Telnet-Trango/lib/Net/Telnet/Trango.pm between version 1.19 and 1.39

version 1.19, 2006/09/12 03:16:43 version 1.39, 2007/02/06 20:41:42
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 package Net::Telnet::Trango;  package Net::Telnet::Trango;
 # $RedRiver: Trango.pm,v 1.18 2006/09/12 02:13:08 andrew Exp $  
 use strict;  # $RedRiver: Trango.pm,v 1.38 2007/02/06 16:22:46 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 => $fox ) 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 Foxes, SUs and APs.
   
 =head2 EXPORT  Another handy feature is that it will parse the output from certain
   commands that is in the format "[key1] value1 [key2] value2" and put
 None  those in a hashref that is 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 = '0.01';
   
 =item new  my $EMPTY = q{};
   my $SPACE = q{ };
 Same as new from L<Net::Telnet> but has defaults for the trango 'Prompt'  
   my %PRIVATE = (
 It also takes an optional parameter 'Decode'.  If not defined it      is_connected => 0,
 defaults to 1, if it is set to 0, it will not decode the output and      logged_in    => 0,
 instead return an array of the lines that were returned from the  );
 command.  
   =pod
 =cut  
   =head2 B<new> - Creates a new Net::Telnet::Trango object.
 sub new  
 {      new([Options from Net::Telnet,]
   my $class = shift;          [Decode => 0,]);
   
   my %args;  Same as new from L<Net::Telnet> but sets the default Trango Prompt:
   if (@_ == 1) {  '/#> *$/'
     $args{'Host'} = shift;  
   } else {  It also takes an optional parameter 'Decode'.  If not defined it
     %args = @_;  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
   from the command.
   $args{'Prompt'}  ||= '/#> *$/';  
   =cut
   foreach my $key (keys %args) {  
     $PRIVATE{$key} = $args{$key};  sub new {
   }      my $class = shift;
   $PRIVATE{'Decode'} = 1 unless defined $PRIVATE{'Decode'};  
   delete $args{'Decode'};      my %args;
       if ( @_ == 1 ) {
   my $self = $class->SUPER::new(%args);          $args{'Host'} = shift;
   bless $self if ref $self;      }
       else {
   return $self;          %args = @_;
 }      }
   
 #  _password <new password> <new password>      $args{'Prompt'} ||= '/#> *$/';
 #  ? [command]  
 #  apsearch <secs> <ch#> <h|v> [<ch#> <h|v>]...      foreach my $key ( keys %args ) {
 #  arp -bcast <on|off>          $PRIVATE{$key} = $args{$key};
 #  bcastscant <all|suid> <ch#> <h|v> [<ch#> <h|v> ...      }
 #  bye      $PRIVATE{'Decode'} = 1 unless defined $PRIVATE{'Decode'};
 #  cf2cf ap [default|<size>]      delete $args{'Decode'};
 #  date  
 #  date <month> <day> <year>      my $self = $class->SUPER::new(%args);
 #  freq scantable      bless $self if ref $self;
 #  freq channeltable  
 #  freq writescan [<ch#> <h|v>]      return $self;
 #  freq writechannel [<ch#> <freq>] ...  }
 #  freq <ch #> <h|v>  
 #  help [command]  #  _password <new password> <new password>
 #  heater [<on temp> <off temp>]  #  ? [command]
 #  ipconfig [<new ip> <new subnet mask> <new gateway>]  #  apsearch <secs> <ch#> <h|v> [<ch#> <h|v>]...
 #  log [<# of entries, 1..179>]  #  arp -bcast <on|off>
 #  log <sum> <# of entries, 1..179>  #  bcastscant <all|suid> <ch#> <h|v> [<ch#> <h|v> ...
 #  logout  #  bye
 #  opmode [ap [y]]  #  cf2cf ap [default|<size>]
 #  password  #  date
 #  ping <ip addr>  #  date <month> <day> <year>
 #  polar <h|v>  #  freq scantable
 #  power <setism|setunii> <max|min|<dBm>>  #  freq channeltable
 #  reboot  #  freq writescan [<ch#> <h|v>]
 #  restart  #  freq writechannel [<ch#> <freq>] ...
 #  remarks [<str>]  #  freq <ch #> <h|v>
 #  rfrxthreshold [<ism|unii> <-90|-85|-80|-75|-70|-65>]  #  help [command]
 #  rfrxth [<ism|unii> <-90|-85|-80|-75|-70|-65>]  #  heater [<on temp> <off temp>]
 #  sysinfo  #  ipconfig [<new ip> <new subnet mask> <new gateway>]
 #  set suid <id>  #  log [<# of entries, 1..179>]
 #  set apid <id>  #  log <sum> <# of entries, 1..179>
 #  set baseid <id>  #  logout
 #  set defaultopmode [<ap|su> <min,0..10>]  #  opmode [ap [y]]
 #  set defaultopmode off  #  password
 #  set snmpcomm [<read | write | trap (id or setall)> <str>]  #  ping <ip addr>
 #  set mir [on|off]  #  polar <h|v>
 #  set mir threshold <kbps>  #  power <setism|setunii> <max|min|<dBm>>
 #  set rssitarget [<ism|unii> <dBm>]  #  reboot
 #  set serviceradius [<ism | unii> <miles>]  #  restart
 #  ssrssi <ch #> <h|v>  #  remarks [<str>]
 #  su [<suid>|all]  #  rfrxthreshold [<ism|unii> <-90|-85|-80|-75|-70|-65>]
 #  su changechannel <all|suid> <ch#> <h|v>  #  rfrxth [<ism|unii> <-90|-85|-80|-75|-70|-65>]
 #  su ipconfig <suid> <new ip> <new subnet> <new gateway>  #  sysinfo
 #  su [live|poweroff|priority]  #  set suid <id>
 #  su <ping|info|status> <suid>  #  set apid <id>
 #  su powerleveling <all|suid>  #  set baseid <id>
 #  su reboot <all|suid>  #  set defaultopmode [<ap|su> <min,0..10>]
 #  su restart <all|suid>  #  set defaultopmode off
 #  su testrflink <all|suid> [r]  #  set snmpcomm [<read | write | trap (id or setall)> <str>]
 #  su testrflink <setlen> [64..1600]  #  set mir [on|off]
 #  su testrflink <aptx> [20..100]  #  set mir threshold <kbps>
 #  su sw <suid|all> <sw #> <on|off>  #  set rssitarget [<ism|unii> <dBm>]
 #  sudb [dload | view]  #  set serviceradius [<ism | unii> <miles>]
 #  sudb add <suid> pr <cir,kbps> <mir,kbps> <device id,hex>  #  ssrssi <ch #> <h|v>
 #  sudb add <suid> reg <cir,kbps> <mir,kbps> <device id,hex>  #  su [<suid>|all]
 #  sudb delete <all|<suid>>  #  su changechannel <all|suid> <ch#> <h|v>
 #  sudb modify <suid> <cir|mir> <kbps>  #  su ipconfig <suid> <new ip> <new subnet> <new gateway>
 #  sudb modify <suid> <su2su> <group id,hex>  #  su [live|poweroff|priority]
 #  sudb view  #  su <ping|info|status> <suid>
 #  sulog [lastmins | sampleperiod <1..60>]  #  su powerleveling <all|suid>
 #  sulog [<# of entry,1..18>]  #  su reboot <all|suid>
 #  survey <ism|unii> <time, sec> <h|v>  #  su restart <all|suid>
 #  sw [<sw #> <on|off>]  #  su testrflink <all|suid> [r]
 #  temp  #  su testrflink <setlen> [64..1600]
 #  tftpd [on|off]  #  su testrflink <aptx> [20..100]
 #  time  #  su sw <suid|all> <sw #> <on|off>
 #  time <hour> <min> <sec>  #  sudb [dload | view]
 #  save <mainimage|fpgaimage> <current chksum> <new chksum>  #  sudb add <suid> pr <cir,kbps> <mir,kbps> <device id,hex>
 #  save <systemsetting|sudb>  #  sudb add <suid> reg <cir,kbps> <mir,kbps> <device id,hex>
 #  updateflash <mainimage|fpgaimage> <current chksum> <new chksum>  #  sudb delete <all|<suid>>
 #  updateflash <systemsetting|sudb>  #  sudb modify <suid> <cir|mir> <kbps>
   #  sudb modify <suid> <su2su> <group id,hex>
 =pod  #  sudb view
   #  sulog [lastmins | sampleperiod <1..60>]
 =head1 METHODS  #  sulog [<# of entry,1..18>]
   #  survey <ism|unii> <time, sec> <h|v>
 =head2 ACCESSORS  #  sw [<sw #> <on|off>]
   #  temp
 =over  #  tftpd [on|off]
   #  time
 =item Host  #  time <hour> <min> <sec>
   #  save <mainimage|fpgaimage> <current chksum> <new chksum>
 returns the name of the host that you are accessing  #  save <systemsetting|sudb>
   #  updateflash <mainimage|fpgaimage> <current chksum> <new chksum>
 =item firmware_version  #  updateflash <systemsetting|sudb>
   
 returns the firmware version on the trango if available otherwise undef.  =pod
 Available after a successful open()  
 This is usually only set internally  =head1 ACCESSORS
   
 =item host_type  These are usually only set internally.
   
 returns the type of host from the login banner for example M5830S or M5300S.  =head2 B<firmware_version> - returns the firmware version
 Available after a successful open()  
 This is usually only set internally  Returns the firmware version if available, otherwise undef.
   
 =item is_connected  It should be available after a successful open().
   
 returns 1 after a successful open() otherwise undef  =head2 B<host_type> - return the type of host you are connected to.
 This is usually only set internally  
   returns the type of host from the login banner for example M5830S or M5300S.  
 =item logged_in  
   Should be available after a successful open().
 returns 1 after a successful login() 0 if it failed and undef if  
 login() was never called  =head2 B<is_connected> - Status of the connection to host.
 This is usually only set internally  
   returns 1 when connected, undef otherwise.
 =item login_banner  
   =head2 B<logged_in> - Status of being logged in to the host.
 returns the banner that is displayed when first connected at login.  Only set after a successful open()  
   returns 1 after a successful login(), 0 if it failed and undef if
 This is usually only set internally  login() was never called.
   
 =item last_lines  =head2 B<login_banner> - The banner when first connecting to the host.
   
 returns the output from the last cmd() that was run as an array ref  returns the banner that is displayed when first connected at login.  
 This is usually only set internally  Only set after a successful open().
   
 =back  =head2 B<last_lines> - The last lines of output from the last cmd().
   
 =head2 ALIASES  returns, as an array ref, the output from the last cmd() that was run.
   
 =over  =head2 B<last_error> - A text output of the last error that was encountered.
   
 =item bye  returns the last error reported.  Probably contains the last entry in
   last_lines.
 alias of exit()  
   =head1 ALIASES
 =item restart  
   =head2 B<bye> - alias of exit()
 alias of reboot()  
   Does the same as exit()
 =back  
   =head2 B<restart> - alias of reboot()
 =head2 COMMANDS  
   Does the same as reboot()
 Most of these are just shortcuts to C<cmd(String =E<gt> METHOD)>,  
 as such they accept the same options as C<cmd()>.  =head2 B<save_systemsetting> - alias of save_ss()
 Specifically they take a named paramater "args", for example:  
 C<tftpd(args =E<gt> 'on')> would enable tftpd  Does the same as save_ss()
   
 =over  =head1 COMMANDS
   
 =item tftpd  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
 Also see enable_tftpd() and disable_tftpd() as those check for correct output  
   =head2 B<tftpd> - The output from the tftpd command
 =item ver  
   Returns a hash ref of the decoded output from the
 Returns a hash ref of the decoded output from the command.  command.
   
 =item sysinfo  Also see enable_tftpd() and disable_tftpd() as those check that it was
   successfully changed.
 Returns a hash ref of the decoded output from the command.  
   =head2 B<ver> - The output from the ver command
 =item exit  
   Returns a hash ref of the decoded output from the
 exits the command session with the trango and closes the connection  command.
   
 =item reboot  =head2 B<sysinfo> - The output from the sysinfo command
   
 reboots the trango and closes the connection  Returns a hash ref of the decoded output from the
   command.
 =item remarks  
   =head2 B<exit> - Exits the connection
 Takes an optional argument, which sets the remarks.  
 If there is no argument, returns the current remarks.  exits the command session with the Trango and closes
   the connection
 =item sulog  
   =head2 B<reboot> - Sends a reboot command
 returns an array ref of hashes containing each log line.  
   reboots the Trango and closes the connection
 =item save_sudb  
   =head2 B<remarks> - Set or retrieve the remarks.
 returns true on success, undef on failure  
   Takes an optional argument, which sets the remarks.  
 =item syslog  If there is no argument, returns the current remarks.
   
 returns the output from the syslog command    my $old_remarks = $t->remarks();
     $t->remarks($new_remarks);
 =item pipe  
   =head2 B<sulog> - The output from the sulog command
 returns the output from the pipe command  
   Returns an array ref of hashes containing each log
 =item maclist  line.
   
 returns the output from the maclist command  =head2 B<save_sudb> - saves the sudb
   
 =item maclist_reset  Returns true on success, undef on failure
   
 resets the maclist.  No useful output.  =head2 B<syslog> - The output from the sulog command
   
 =item eth_list  Returns a hashref of the output from the syslog command
   
 returns the output from the eth list command  =head2 B<pipe> - the pipe command
   
 =item su_info  Returns the output from the pipe command
   
 You need to pass in args => <suid> and it will return the info for that suid.  =head2 B<maclist> - retrieves the maclist
   
 =item save_ss  Returns the output from the maclist command
   
 saves the config.  Returns 1 on success, undef on failure.  =head2 B<maclist_reset> - resets the maclist.  
   
 =cut  No useful output.
   
   =head2 B<eth_link> - eth link command
 my $success = 'Success.';  
 my %COMMANDS = (  Returns the output from the eth link command
   tftpd       => { decode => 'all',   expect => $success },  
   ver         => { decode => 'all' },  This command seems to cause some weird issues.  It often will cause the
   sysinfo     => { decode => 'all',   expect => $success },  command after it to appear to fail.  I am not sure why.
   updateflash => { decode => 'all',   expect => $success },  
   sulog       => { decode => 'sulog', expect => $success },  =head2 B<su_info> - gets the su info
   'exit'      => { no_prompt => 1, cmd_disconnects => 1 },  
   reboot      => { no_prompt => 1, cmd_disconnects => 1 },  Returns information about the SU.
   remarks     => { decode => 'all', expect => $success },  
   save_sudb   => { String => 'save sudb', expect => $success },  You need to pass in the $suid and it will return the info for that suid.
   syslog      => { expect => $success },  
   'pipe'      => { }, # XXX needs a special decode    $t->su_info($suid);
   maclist     => { decode => 'maclist' },  
   maclist_reset => { String => 'maclist reset', expect => 'done' },  =head2 B<su_testrflink> - tests the RF Link to an su
   eth_link    => { String => 'eth link', expect => $success },  
   su_info     => { String => 'su info', decode => 'all', expect => $success },    $t->su_testrflink($suid|'all');
   save_ss     => { String => 'save ss', expect => $success },  
   # eth r, w and reset???  =head2 B<save_ss> - saves the config.  
   #su password???  
   #_bootloader  Returns 1 on success, undef on failure.
   #temp  
   #heater  =head2 B<opmode> - sets opmode ap y or returns the opmode
 );  
       $t->opmode([ap y]);
 my %ALIASES = (  
   bye     => 'exit',  =cut
   restart => 'reboot',  
 );  my $success  = 'Success\\.';
   my %COMMANDS = (
 my %ACCESS = map { $_ => 1 } qw(      tftpd       => { decode    => 'all',       expect          => $success },
   firmware_version      ver         => { decode    => 'all' },
   host_type      sysinfo     => { decode    => 'all',       expect          => $success },
   Host      updateflash => { decode    => 'all',       expect          => $success },
   is_connected      sulog       => { decode    => 'sulog',     expect          => $success },
   logged_in      'exit'      => { no_prompt => 1,           cmd_disconnects => 1 },
   login_banner      reboot      => { no_prompt => 1,           cmd_disconnects => 1 },
   Timeout      remarks     => { decode    => 'all',       expect          => $success },
   last_lines      save_sudb   => { String    => 'save sudb', expect          => $success },
   last_vals      syslog      => { expect    => $success },
 );      'pipe'      => {},                        # XXX needs a special decode
       maclist     => { decode => 'maclist' },
 sub AUTOLOAD      maclist_reset => { String => 'maclist reset', expect       => 'done' },
 {      eth_link    => { String => 'eth link',     expect          => $success },
   my $self = shift;      su_info     =>
         { String => 'su info',  decode => 'all', expect          => $success },
   my ($method) = (our $AUTOLOAD) =~ /^.*::(\w+)$/      su_testrflink =>
     or die "Weird: $AUTOLOAD";        { String => 'su testrflink', decode => 'each', expect    => $success },
       save_ss     => { String => 'save ss',      expect          => $success },
   if (exists $ALIASES{$method}) {      opmode      => { decode => 'all',          expect          => $success },
     $method = $ALIASES{$method};  );
     return $self->$method(@_);  
   }  my %ALIASES = (
       bye     => 'exit',
   if (exists $COMMANDS{$method}) {      restart => 'reboot',
     $COMMANDS{$method}{'String'} ||= $method;      Host    => 'host',
     $COMMANDS{$method}{'args'} .= ' ' . shift if (@_ == 1);      save_systemseting => 'save_ss',
     return $self->cmd(%{ $COMMANDS{$method} }, @_);  );
   }  
   my %ACCESS = map { $_ => 1 } qw(
   if (exists $ACCESS{$method}) {    firmware_version
     my $prev = $PRIVATE{$method};    host_type
     ($PRIVATE{$method}) = @_ if @_;    is_connected
     return $prev;    logged_in
   }    login_banner
     Timeout
   $method = "SUPER::$method";    last_lines
   return $self->$method(@_);    last_vals
 }    last_error
     Decode
 =pod  );
   
 =item open  sub AUTOLOAD {
       my $self = shift;
 Calls Net::Telnet::open() then makes sure you get a password prompt so you are ready to login() and parses the login banner so you can get host_type() and firmware_version()  
       my ($method) = ( our $AUTOLOAD ) =~ /^.*::(\w+)$/
 =cut        or die "Weird: $AUTOLOAD";
   
 sub open      if ( exists $ALIASES{$method} ) {
 {          $method = $ALIASES{$method};
   my $self = shift;          return $self->$method(@_);
       }
   unless ( $self->SUPER::open(@_) ) {  
     #$! = "Couldn't connect to " . $self->Host . ":  $!";      if ( exists $COMMANDS{$method} ) {
     return undef;          my %cmd;
   }          foreach my $k ( keys %{ $COMMANDS{$method} } ) {
               $cmd{$k} = $COMMANDS{$method}{$k};
   ## Get to login prompt          }
   unless ($self->waitfor(          $cmd{'String'} ||= $method;
       -match => '/password: ?$/i',          $cmd{'args'} .= $SPACE . shift if ( @_ == 1 );
       -errmode => "return",          return $self->cmd( %cmd, @_ );
     ) ) {      }
     #$! = "problem connecting to host (" . $self->Host . "): " .  
     #    $self->lastline;      if ( exists $ACCESS{$method} ) {
     return undef;          my $prev = $PRIVATE{$method};
   }          ( $PRIVATE{$method} ) = @_ if @_;
           return $prev;
   $self->parse_login_banner($self->lastline);      }
   
   $self->is_connected(1);      $method = "SUPER::$method";
       return $self->$method(@_);
   return $self->is_connected;  }
 }  
   =pod
 =pod  
   =head2 B<open> - Open a connection to a Trango AP.
 =item login  
   Calls Net::Telnet::open() then makes sure you get a password prompt so
 Calls open() if not already connected, then sends the password and sets logged_in() if successful  you are ready to login() and parses the login banner so you can get
   host_type() and firmware_version()
 =cut  
   =cut
 sub login  
 {  sub open {
   my $self = shift;      my $self = shift;
   
   unless ($self->is_connected) {      unless ( $self->SUPER::open(@_) ) {
     $self->open or return undef;          $self->last_error( "Couldn't connect to " . $self->host . ":  $!" );
   }          return;
       }
   my $password = shift;  
       ## Get to login prompt
   $self->print($password);      unless (
   unless ($self->waitfor(          $self->waitfor(
     -match => $self->prompt,              -match   => '/password: ?$/i',
     -errmode => "return",              -errmode => "return",
   ) ) {          )
     #$! = "login ($self->Host) failed: " . $self->lastline;        )
     return undef;      {
   }          $self->last_error( "problem connecting to host ("
                 . $self->host . "): "
   $self->logged_in(1);                . $self->lastline );
           return;
   return $self->logged_in;      }
 }  
       $self->parse_login_banner( $self->lastline );
 =pod  
       $self->is_connected(1);
 =item parse_login_banner  
       return $self->is_connected;
 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()  }
   
 =cut  =pod
   
 sub parse_login_banner  =head2 B<login> - Login to the AP.
 {  
   my $self = shift;  Calls open() if not already connected, then sends the password and sets
   logged_in() if successful
   if (@_) {  
     $self->login_banner(@_);  =cut
   }  
   sub login {
   my $banner = $self->login_banner;      my $self = shift;
   
   my ($type, $ver) = $banner =~      unless ( $self->is_connected ) {
     /Welcome to Trango Broadband Wireless (\S+)[\s-]+(.+)$/i;          $self->open or return;
       }
   $self->login_banner($banner);  
   $self->host_type($type);      my $password = shift;
   $self->firmware_version($ver);  
       $self->print($password);
   return 1;      unless (
 }          $self->waitfor(
               -match   => $self->prompt,
 =pod              -errmode => "return",
           )
 =item su_password        )
       {
 C<su_password('all'|suid, 'new_password')>          $self->last_error( "login ($self->host) failed: " . $self->lastline );
           return;
 =cut      }
   
 sub su_password      $self->logged_in(1);
 {  
   my $self     = shift;      return $self->logged_in;
   my $su       = shift || '!';  }
   my $new_pass = shift || '';  
   =pod
   unless (defined $su) {  
     warn "No su passed!"  =head2 B<parse_login_banner> - Converts the login_banner to something useful.
     #return undef;  
   }  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
   unless (defined $new_pass) {  host_type() and firmware_version() as well as login_banner()
     warn "No new password!"  
     #return undef;  =cut
   }  
   sub parse_login_banner {
   return $self->cmd(String => 'su password ' .      my $self = shift;
                      $su . ' ' .  
                      $new_pass . ' ' .      if (@_) {
                      $new_pass,          $self->login_banner(@_);
                      expect => $success,      }
                     );  
 }      my $banner = $self->login_banner;
   
 =pod      my ( $type, $sep1, $subtype, $sep2, $ver ) =
         $banner =~
 =item su_ipconfig        /Welcome to Trango Broadband Wireless (\S+)([\s-]+)(\S+)([\s-]+)(.+)$/i;
   
 C<su_ipconfig( 'suid', 'new_ip', 'new_subnet', 'new_gateway' )>      $type .= $sep1 . $subtype;
       $ver = $subtype . $sep2 . $ver;
 =cut  
       $self->login_banner($banner);
 sub su_ipconfig      $self->host_type($type);
 {      $self->firmware_version($ver);
         my $self        = shift;  
       return 1;
         my $suid        = shift;  }
         my $new_ip      = shift;  
         my $new_subnet  = shift;  =pod
         my $new_gateway = shift;  
   =head2 B<su_password> - Set the password on SUs connected to the AP.
         return undef unless $suid =~ /^\d+$/;  
         return undef unless $new_ip;  su_password('new_password'[, 'suid']) If no suid is specified,
         return undef unless $new_subnet;  the default is "all".
         return undef unless $new_gateway;  
     $t->su_password('good_pass', 5);
         # su ipconfig <suid> <new ip> <new subnet> <new gateway>  
         return $self->cmd(String => 'su ipconfig ' .  =cut
                      $suid       . ' ' .  
                      $new_ip     . ' ' .  sub su_password {
                      $new_subnet . ' ' .      my $self     = shift;
                      $new_gateway,      my $new_pass = shift || $EMPTY;
                      expect => $success,      my $su       = shift || 'all';
                     );  
 }      unless ( defined $new_pass ) {
           $self->last_error("No new password");
 =pod  
           #return;
 =item sudb_view      }
   
 returns a reference to an array of hashes each containing:      return $self->cmd(
           String => 'su password ' . $su . $SPACE . $new_pass . $SPACE . $new_pass,
   suid          expect => $success,
   type      );
   cir  }
   mir  
   mac  =pod
   
 =cut  =head2 B<su_ipconfig> - Change IP configuration on SUs connected to the AP.
   
 sub sudb_view  su_ipconfig( 'suid', 'new_ip', 'new_subnet', 'new_gateway' )
 {  
   my $self = shift;    $t->su_ipconfig( 5, '10.0.1.5', '255.255.255.0', '10.0.1.1' );
   
   my @lines = $self->cmd( String => 'sudb view', expect => $success );  =cut
   
   return undef unless @lines;  sub su_ipconfig {
       my $self = shift;
   unless ($PRIVATE{'Decode'}) {  
     return @lines;      my $suid        = shift;
   }      my $new_ip      = shift;
       my $new_subnet  = shift;
   my @sus;      my $new_gateway = shift;
   foreach (@lines) {  
     next unless $_;      if ( $suid =~ /\D/ ) {
     if (/^\[(\d+)\]\s+(\d+)\s+(\d+)\s+(\d+)\s+([0-9A-Fa-f\s]+)$/) {          $self->last_error("Invalid suid '$suid'");
       my %s = (          return;
         suid => $1,      }
         type => $2,      unless ($new_ip) {
         cir  => $3,          $self->last_error("no new_ip passed");
         mir  => $4,          return;
         mac  => $5,      }
       );      unless ($new_subnet) {
           $self->last_error("no new_subnet passed");
           $s{'mac'} =~ s/\s//g;          return;
           $s{'mac'} = uc($s{'mac'});      }
       unless ($new_gateway) {
       push @sus, \%s;          $self->last_error("no new_gateway passed");
     }          return;
   }      }
   
   return \@sus;      # su ipconfig <suid> <new ip> <new subnet> <new gateway>
 }      return $self->cmd(
           String => 'su ipconfig ' . $suid . $SPACE . $new_ip . $SPACE
 =pod            . $new_subnet . $SPACE
             . $new_gateway,
 =item sudb_add          expect => $success,
       );
 Takes the following paramaters  }
   
         suid : numeric,  =pod
         type : (reg|pr)  
         cir  : numeric,  =head2 B<sudb_view> - Returns the output from the sudb view command
         mir  : numeric,  
         mac  : Almost any format, it will be reformatted,  returns a reference to an array of hashes each containing these keys
   'suid', 'type', 'cir', 'mir' and 'mac'
 and returns true on success or undef otherwise.  
   =cut
 You should save_sudb() after calling this, or your changes  will be lost  
 when the AP is rebooted.  sub sudb_view {
       my $self = shift;
 =cut  
       my $lines = $self->cmd( String => 'sudb view', expect => $success ) || [];
 sub sudb_add  
 {      return unless @{$lines};
         my $self = shift;  
         my $suid = shift;      unless ( $PRIVATE{'Decode'} ) {
         my $type = shift;          return $lines;
         my $cir  = shift;      }
         my $mir  = shift;  
         my $mac  = shift;      my @sus;
       foreach ( @{$lines} ) {
         if ($suid =~ /\D/) {          next unless $_;
                 return undef;          if (/^\[(\d+)\]\s+(\d+)\s+(\d+)\s+(\d+)\s+([0-9A-Fa-f\s]+)$/) {
         }              my %s = (
                   suid => $1,
         unless (lc($type) eq 'reg' || lc($type) eq 'pr') {                  type => $2,
                 warn "Invalid type '$type'!";                  cir  => $3,
                 return undef;                  mir  => $4,
         }                  mac  => $5,
               );
         if ($cir =~ /\D/) {  
                 warn "Invalid CIR '$cir'!";              $s{'mac'} =~ s/\s//g;
                 return undef;              $s{'mac'} = uc( $s{'mac'} );
         }  
               push @sus, \%s;
         if ($mir =~ /\D/) {          }
                 warn "Invalid MIR '$mir'!";      }
                 return undef;  
         }      return \@sus;
   }
         my $new_mac = $mac;  
         $new_mac =~ s/[^0-9A-Fa-f]//;  =pod
         unless (length $new_mac == 12) {  
                 warn "Invalid MAC '$mac'!";  =head2 B<sudb_add> - Adds an su to the sudb
                 return undef;  
         }  Takes the following paramaters
         $new_mac = join ' ', $new_mac =~ /../g;  
       suid : numeric,
         my $string = 'sudb add ' .      type : (reg|pr)
                 $suid . ' ' .      cir  : numeric,
                 $type . ' ' .      mir  : numeric,
                 $cir  . ' ' .      mac  : Almost any format, it will be reformatted,
                 $mir  . ' ' .  
                 $new_mac;  and returns true on success or undef otherwise.
   
     $t->sudb_add($suid, 'reg', $cir, $mir, $mac);
         return $self->cmd( String => $string, expect => $success );  
 }  You should save_sudb() after calling this, or your changes  will be lost
   when the AP is rebooted.
 =pod  
   =cut
 =item sudb_delete  
   sub sudb_add {
 Takes either 'all' or the  suid of the su to delete      my $self = shift;
 and returns true on success or undef otherwise.      my $suid = shift;
       my $type = shift;
 You should save_sudb() after calling this, or your changes  will be lost      my $cir  = shift;
 when the AP is rebooted.      my $mir  = shift;
       my $mac  = shift;
 =cut  
       if ( $suid =~ /\D/ ) {
 sub sudb_delete          $self->last_error("Invalid suid '$suid'");
 {          return;
         my $self = shift;      }
         my $suid = shift;  
       unless ( lc($type) eq 'reg' || lc($type) eq 'pr' ) {
         if (lc($suid) ne 'all' || $suid =~ /\D/) {          $self->last_error("Invalid type '$type'");
                 return undef;          return;
         }      }
   
         return $self->cmd( String => 'sudb delete ' . $suid, expect => $success );      if ( $cir =~ /\D/ ) {
 }          $self->last_error("Invalid CIR '$cir'");
           return;
 =pod      }
   
 =item sudb_modify      if ( $mir =~ /\D/ ) {
           $self->last_error("Invalid MIR '$mir'");
 Takes either the  suid of the su to delete          return;
 as well as what you are changing, either "cir, mir or su2su"      }
 and returns true on success or undef otherwise.  
       my $new_mac = $mac;
 cir and mir also take a value to set the cir/mir to.      $new_mac =~ s/[^0-9A-Fa-f]//;
       unless ( length $new_mac == 12 ) {
 su2su takes a group id parameter that is in hex.          $self->last_error("Invalid MAC '$mac'");
           return;
 You should save_sudb() after calling this, or your changes  will be lost      }
 when the AP is rebooted.      $new_mac = join $SPACE, $new_mac =~ /../g;
   
 =cut      my $string =
         'sudb add ' . $suid . $SPACE . $type . $SPACE . $cir . $SPACE . $mir . $SPACE
 sub sudb_modify        . $new_mac;
 {  
         my $self  = shift;      return $self->cmd( String => $string, expect => $success );
         my $suid  = shift;  }
         my $opt   = shift;  
         my $value = shift;  =pod
   
         if ($suid =~ /\D/) {  =head2 B<sudb_delete> - removes an su from the sudb
                 return undef;  
         }  Takes either 'all' or the  suid of the su to delete
   and returns true on success or undef otherwise.
         if (lc($opt) eq 'cir' or lc($opt) eq 'mir') {  
                 if ($value =~ /\D/) {    $t->sudb_delete($suid);
                         return undef;  
                 }  You should save_sudb() after calling this, or your changes  will be lost
         } elsif (lc($opt) eq 'su2su') {  when the AP is rebooted.
                 if ($value =~ /[^0-9A-Za-f]/) {  
                         return undef;  =cut
                 }  
         } else {  sub sudb_delete {
                 return undef;      my $self = shift;
         }      my $suid = shift;
   
         my $string = 'sudb modify ' . $suid . ' ' . $opt . ' ' . $value;      #if (lc($suid) ne 'all' || $suid =~ /\D/) {
       if ( $suid =~ /\D/ ) {
         return $self->cmd( String => $string, expect => $success );          $self->last_error("Invalid suid '$suid'");
 }          return;
       }
 =pod  
       return $self->cmd( String => 'sudb delete ' . $suid, expect => $success );
 =item enable_tftpd  }
   
 runs C<tftpd(args =E<gt> 'on')> and makes sure that Tftpd is now 'listen'ing  =pod
   
 =cut  =head2 B<sudb_modify> - changes the su information in the sudb
   
 sub enable_tftpd  Takes either the  suid of the su to change
 {  as well as what you are changing, either "cir, mir or su2su"
   my $self = shift;  and returns true on success or undef otherwise.
   
   my $vals = $self->tftpd( args => 'on' );  cir and mir also take a value to set the cir/mir to.
   
   if ($vals->{'Tftpd'} eq 'listen') {  su2su takes a group id parameter that is in hex.
     return $vals;  
   } else {    $t->sudb_modify($suid, 'cir', 512);
     return undef;  
   }  You should save_sudb() after calling this, or your changes  will be lost
 }  when the AP is rebooted.
   
 =pod  =cut
   
 =item disable_tftpd  sub sudb_modify {
       my $self  = shift;
 runs C<tftpd(args =E<gt> 'off')> and makes sure that Tftpd is now 'disabled'      my $suid  = shift;
       my $opt   = shift;
 =cut      my $value = shift;
   
 sub disable_tftpd      if ( $suid =~ /\D/ ) {
 {          $self->last_error("Invalid suid '$suid'");
   my $self = shift;          return;
       }
   my $vals = $self->tftpd( args => 'off' );  
       if ( lc($opt) eq 'cir' or lc($opt) eq 'mir' ) {
   if (ref $vals eq 'HASH' && $vals->{'Tftpd'} eq 'disabled') {          if ( $value =~ /\D/ ) {
     return $vals;              $self->last_error("Invalid $opt '$value'");
   } else {              return;
     return undef;          }
   }      }
 }      elsif ( lc($opt) eq 'su2su' ) {
           if ( $value =~ /[^0-9A-Za-f]/ ) {
 =pod              $self->last_error("Invalid MAC '$value'");
               return;
 =item cmd          }
       }
 This does most of the work.  At the heart, it calls Net::Telnet::cmd() but it also does some special stuff for Trango.      else {
           $self->last_error("Invalid option '$opt'");
 Normally returns the last lines from from the command          return;
       }
 Also accepts these options:  
       my $string = 'sudb modify ' . $suid . $SPACE . $opt . $SPACE . $value;
 I<decode>  
 - if this is true, then it will send the output lines to _decode_lines() and then returns the decoded output      return $self->cmd( String => $string, expect => $success );
   }
 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  =pod
   
 I<expect>  =head2 B<enable_tftpd> - enable the TFTP server
 - 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  
   runs C<tftpd(args =E<gt> 'on')> and makes sure that Tftpd is now 'listen'ing
 I<args>  
 - a string containing the command line options that are passed to the command  =cut
   
 =cut  sub enable_tftpd {
       my $self = shift;
 sub cmd  
 {      my $vals = $self->tftpd( args => 'on' );
   my $self = shift;  
       if ( ref $vals eq 'HASH' && $vals->{'Tftpd'} eq 'listen' ) {
   my @valid_net_telnet_opts = qw(          return $vals;
     String      }
     Output      else {
     Cmd_remove_mode          return;
     Errmode      }
     Input_record_separator  }
     Ors  
     Output_record_separator  =pod
     Prompt  
     Rs  =head2 B<disable_tftpd> - disable the TFTP server
     Timeout  
   );  runs C<tftpd(args =E<gt> 'off')> and makes sure that Tftpd is now 'disabled'
   
   my %cfg;  =cut
   if (@_ == 1) {  
     $cfg{'String'} = shift;  sub disable_tftpd {
   } elsif (@_ > 1) {      my $self = shift;
     %cfg = @_;  
   }      my $vals = $self->tftpd( args => 'off' );
   
   $cfg{'Timeout'} ||= $self->Timeout;      if ( ref $vals eq 'HASH' && $vals->{'Tftpd'} eq 'disabled' ) {
           return $vals;
   unless ($cfg{'String'}) {      }
     #$! = "No command passed";      else {
     #warn "No command passed\n";          return;
     return undef;      }
   }  }
   
   unless ($self->is_connected) {  =pod
     #$! = "Not connected";  
     #warn "Not connected\n";  =head2 B<cmd> - runs a command on the AP.
     return undef;  
   }  This does most of the work.  At the heart, it calls Net::Telnet::cmd()
   but it also does some special stuff for Trango.
   unless ($self->logged_in) {  
     #$! = "Not logged in";  Normally returns the last lines from from the command
     #warn "Not logged in\n";  
     return undef;  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.
   
   my %cmd;  In addition to the Net::Telnet::cmd() options, it also accepts these:
   foreach (@valid_net_telnet_opts) {  
     if (exists $cfg{$_}) {  I<decode>
       $cmd{$_} = $cfg{$_};  - if this is true, then it will send the output lines to _decode_lines()
     }  and then returns the decoded output
   }  
   if ($cfg{'args'}) {  I<no_prompt>
     $cmd{'String'} .= ' ' . $cfg{'args'};  - if this is true, it does not wait for a prompt, so you are not stuck
   }  waiting for something that will never happen.
   my @lines;  
   unless ($cfg{'no_prompt'}) {  I<cmd_disconnects>
     @lines = $self->SUPER::cmd(%cmd);  - if this is true, it then sets logged_in() to false, then it will
   } else {  close() the connection and set is_connected() to false
     $self->print($cmd{'String'});  
     @lines = $self->lastline;  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
   $self->last_lines(\@lines);  command probably failed
   
   my $vals = 1;  I<args>
   if ($PRIVATE{'Decode'} && $cfg{'decode'}) {  - a string containing the command line options that are passed to the
     if ($cfg{'decode'} eq 'each') {  command
       $vals = _decode_each_line(@lines);  
     } elsif ($cfg{'decode'} eq 'sulog') {      $t->cmd( String => 'exit', no_prompt => 1, cmd_disconnects => 1 );
       $vals = _decode_sulog(@lines);  
     } elsif ($cfg{'decode'} eq 'maclist') {  =cut
       $vals = _decode_maclist(@lines);  
     } else {  sub cmd {
       $vals = _decode_lines(@lines);      my $self = shift;
     }  
   }      my @valid_net_telnet_opts = qw(
         String
   $self->last_vals($vals);        Output
         Cmd_remove_mode
         Errmode
   my $last = $self->lastline;        Input_record_separator
         Ors
   if ((not $cfg{'expect'}) || $last =~ /$cfg{'expect'}$/) {        Output_record_separator
     if ($cfg{'cmd_disconnects'}) {        Prompt
       $self->logged_in(0);        Rs
       $self->close;        Timeout
       $self->is_connected(0);      );
     }  
       my %cfg;
     if ($PRIVATE{'Decode'} && $cfg{'decode'}) {      if ( @_ == 1 ) {
       return $vals;          $cfg{'String'} = shift;
     } else {      }
       return @lines;      elsif ( @_ > 1 ) {
     }          %cfg = @_;
   } else {      }
     #$! = "Error with command ($cfg{'string'}): $last";  
     return undef;      $cfg{'Timeout'} ||= $self->Timeout;
   }  
 }      unless ( $cfg{'String'} ) {
           $self->last_error("No command passed");
 #=item _decode_lines          return;
       }
 sub _decode_lines  
 {      unless ( $self->is_connected ) {
   my @lines = @_;          $self->last_error("Not connected");
           return;
   my %conf;      }
   
   my $key = '';      unless ( $self->logged_in ) {
   my $val = undef;          $self->last_error("Not logged in");
   my $in_key = 0;          return;
   my $in_val = 1;      }
   
   foreach my $line (@lines) {      my %cmd;
     next if $line =~ /$success$/;      foreach (@valid_net_telnet_opts) {
           if ( exists $cfg{$_} ) {
     my @chars = split //, $line;              $cmd{$_} = $cfg{$_};
           }
     my $last_key = '';      }
     foreach my $c (@chars) {      if ( $cfg{'args'} ) {
           $cmd{'String'} .= $SPACE . $cfg{'args'};
       if ($c eq '[' || $c eq "\r" || $c eq "\n") {      }
         if ($c eq '[') {  
           $in_key = 1;      my @lines;
           $in_val = 0;      if ( $cfg{'no_prompt'} ) {
         } else {          $self->print( $cmd{'String'} );
           $in_key = 0;          @lines = $self->lastline;
           $in_val = 1;      }
         }      else {
           @lines = $self->SUPER::cmd(%cmd);
         if ($key) {      }
           $key =~ s/^\s+//;  
           $key =~ s/\s+$//;      $self->last_lines( \@lines );
   
           if (defined $val) {      my $vals = 1;
             $val =~ s/^\s+//;      if ( $PRIVATE{'Decode'} && $cfg{'decode'} ) {
             $val =~ s/\s+$//;          if ( $cfg{'decode'} eq 'each' ) {
           }              $vals = _decode_each_line(@lines);
           }
           if ($key eq 'Checksum' && $last_key) {          elsif ( $cfg{'decode'} eq 'sulog' ) {
             # Special case for these bastids.              $vals = _decode_sulog(@lines);
             my $new = $last_key;          }
             $new =~ s/\s+\S+$//;          elsif ( $cfg{'decode'} eq 'maclist' ) {
             $key = $new . " " . $key;              $vals = _decode_maclist(@lines);
           }          }
           else {
           $last_key = $key;              $vals = _decode_lines(@lines);
           $conf{$key} = $val;          }
           $key = '';      }
           $val = '';  
         }      $self->last_vals($vals);
   
       } elsif ($c eq ']') {      my $last = $self->lastline;
         $in_val = 1;  
         $in_key = 0;      if ( ( not $cfg{'expect'} ) || $last =~ /$cfg{'expect'}$/ ) {
         $c = shift @chars;          if ( $cfg{'cmd_disconnects'} ) {
               $self->logged_in(0);
       } elsif ($in_key) {              $self->close;
         $key .= $c;              $self->is_connected(0);
           }
       } elsif ($in_val) {  
         $val .= $c;          if ( $PRIVATE{'Decode'} && $cfg{'decode'} ) {
       }              return $vals;
     }          }
   }          else {
               return \@lines;
   if (%conf) {          }
     return \%conf;      }
   } else {      else {
     return $val;          my $err;
   }          if (grep { /\[ERR\]/ } @lines) {
 }              $err = _decode_lines(@lines);
           }
 #=item _decode_each_line  
           if (ref $err eq 'HASH' && $err ->{ERR}) {
 sub _decode_each_line              $self->last_error($err->{ERR} );
 {          } else {
   my @lines = @_;              $self->last_error("Error with command ($cfg{'String'}): $last");
   my @decoded;          }
   foreach my $line (@lines) {          return;
     my $decoded = _decode_lines($line);      }
     push @decoded, $decoded if defined $decoded;  }
   }  
   return \@decoded;  #=item _decode_lines
 }  
   sub _decode_lines {
 #=item _decode_sulog      my @lines = @_;
   
 sub _decode_sulog      my %conf;
 {  
   my @lines = @_;      my $key = $EMPTY;
   my @decoded;      my $val = undef;
   my $last_tm;      my @vals;
   foreach my $line (@lines) {      my $in_key = 0;
     my $decoded = _decode_lines($line);      my $in_val = 1;
   
     if (defined $decoded) {      foreach my $line (@lines) {
       if ($decoded->{'tm'}) {          next if $line =~ /$success$/;
         $last_tm = $decoded->{'tm'};  
         next;          my @chars = split //, $line;
       } else {  
         $decoded->{'tm'} = $last_tm;          my $last_key = $EMPTY;
       }          foreach my $c (@chars) {
       next unless $last_tm;  
               if ( $c eq '[' || $c eq "\r" || $c eq "\n" ) {
       push @decoded, $decoded if defined $decoded;                  if ( $c eq '[' ) {
     }                      $in_key = 1;
   }                      $in_val = 0;
   return \@decoded;                  }
 }                  else {
                       $in_key = 0;
 #=item _decode_maclist                      $in_val = 1;
                   }
 sub _decode_maclist  
 {                  if ($key) {
         my @lines = @_;                      $key =~ s/^\s+//;
         my @decoded;                      $key =~ s/\s+$//;
         my $total_entries = 0;  
         my $current_tm = 0;                      if ($val) {
         foreach my $line (@lines) {                          $val =~ s/^\s+//;
                 $line =~ s/\r?\n$//;                          $val =~ s/\s+$//;
                 my ($mac, $loc, $tm) = $line =~ /                      }
                         ([0-9a-fA-F ]{17})\s+  
                         (.*)\s+                      if ( $key eq 'Checksum' && $last_key ) {
                         tm\s+  
                         (\d+)                          # Special case for these bastids.
                 /x;                          my $new = $last_key;
                           $new =~ s/\s+\S+$//;
                 if ($mac) {                          $key = $new . $SPACE . $key;
                         $mac =~ s/\s+//g;                      }
                         $loc =~ s/^\s+//;  
                         $loc =~ s/\s+$//;                      $conf{$key} = $val;
                       $last_key   = $key;
                         my $suid = undef;                      $key        = $EMPTY;
                         if ($loc =~ /suid\s+=\s+(\d+)/) {                  }
                                 $suid = $1;                  elsif ($val) {
                                 $loc = undef;                      push @vals, $val;
                         }                  }
                   $val = $EMPTY;
                         push @decoded, {  
                                 mac  => $mac,              }
                                 loc  => $loc,              elsif ( $c eq ']' ) {
                                 tm   => $tm,                  $in_val = 1;
                                 suid => $suid,                  $in_key = 0;
                         };                  $c      = shift @chars;
                 } elsif ($line =~ /(\d+)\s+entries/) {  
                         $total_entries = $1;              }
                 } elsif ($line =~ /current tm = (\d+)\s+sec/) {              elsif ($in_key) {
                         $current_tm = $1                  $key .= $c;
                 }  
         }              }
               elsif ($in_val) {
         map { $_->{'cur_tm'} = $current_tm } @decoded;                  $val .= $c;
               }
         if (scalar @decoded == $total_entries) {          }
                 return \@decoded;      }
         } else {  
                 # XXX we should have a way to set last error, not sure why we don't      unless ($key) {
                 return undef;          push @vals, $val;
         }      }
 }  
       if ( @vals == 1 ) {
 1;          $val = $vals[0];
 __END__      }
       elsif (@vals) {
 =back          $val = \@vals;
       }
 =head1 SEE ALSO      else {
           $val = undef;
 Trango Documentation - http://www.trangobroadband.com/support/product_docs.htm      }
   
 L<Net::Telnet>      if (%conf) {
           $conf{_pre} = $val if $val;
 =head1 TODO          return \%conf;
       }
 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.      else {
           return $val;
 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  
   #=item _decode_each_line
 Andrew Fresh E<lt>andrew@rraz.netE<gt>  
   sub _decode_each_line {
 =head1 COPYRIGHT AND LICENSE      my @lines = @_;
       my @decoded;
 Copyright (C) 2005 by Andrew Fresh      foreach my $line (@lines) {
           my $decoded = _decode_lines($line);
 This library is free software; you can redistribute it and/or modify          push @decoded, $decoded if defined $decoded;
 it under the same terms as Perl itself, either Perl version 5.8.7 or,      }
 at your option, any later version of Perl 5 you may have available.      return \@decoded;
   }
   
 =cut  #=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 {
   
           # XXX we should have a way to set last error, not sure why we don't
           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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