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Diff for /trango/Net-Telnet-Trango/lib/Net/Telnet/Trango.pm between version 1.14 and 1.39

version 1.14, 2006/09/07 03:49:34 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 1.13 2006/09/07 02:39:36 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()>.  Specifically they take a named paramater "args", for example:  
 C<tftpd(args =E<gt> 'on')> would enable tftpd  =head2 B<save_systemsetting> - alias of save_ss()
   
 =over  Does the same as save_ss()
   
 =item tftpd  =head1 COMMANDS
   
 Returns a hash ref of the decoded output from the command.  Most of these are just shortcuts to C<cmd(String =E<gt> METHOD)>,
   as such they accept the same options as C<cmd()>.  
 Also see enable_tftpd() and disable_tftpd() as those check for correct output  Specifically they take a named paramater "args", for example:
   C<tftpd(args =E<gt> 'on')> would enable tftpd
 =item ver  
   =head2 B<tftpd> - The output from the tftpd command
 Returns a hash ref of the decoded output from the command.  
   Returns a hash ref of the decoded output from the
 =item sysinfo  command.
   
 Returns a hash ref of the decoded output from the command.  Also see enable_tftpd() and disable_tftpd() as those check that it was
   successfully changed.
 =item exit  
   =head2 B<ver> - The output from the ver 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  =head2 B<sysinfo> - The output from the sysinfo command
   
 =item sulog  Returns a hash ref of the decoded output from the
   command.
 returns an array ref of hashes containing each log line.  
   =head2 B<exit> - Exits the connection
 =item save_sudb  
   exits the command session with the Trango and closes
 returns true on success, undef on failure  the connection
   
 =item syslog  =head2 B<reboot> - Sends a reboot command
   
 returns the output from the syslog command  reboots the Trango and closes the connection
   
 =item pipe  =head2 B<remarks> - Set or retrieve the remarks.
   
 returns the output from the pipe command  Takes an optional argument, which sets the remarks.  
   If there is no argument, returns the current remarks.
 =item maclist  
     my $old_remarks = $t->remarks();
 returns the output from the maclist command    $t->remarks($new_remarks);
   
 =item maclist_reset  =head2 B<sulog> - The output from the sulog command
   
 resets the maclist.  No useful output.  Returns an array ref of hashes containing each log
   line.
 =item eth_list  
   =head2 B<save_sudb> - saves the sudb
 returns the output from the eth list command  
   Returns true on success, undef on failure
 =cut  
   =head2 B<syslog> - The output from the sulog command
   
 my $success = 'Success.';  Returns a hashref of the output from the syslog command
 my %COMMANDS = (  
   tftpd       => { decode => 'all',   expect => $success },  =head2 B<pipe> - the pipe command
   ver         => { decode => 'all' },  
   sysinfo     => { decode => 'all',   expect => $success },  Returns the output from the pipe command
   updateflash => { decode => 'all',   expect => $success },  
   sulog       => { decode => 'sulog', expect => $success },  =head2 B<maclist> - retrieves the maclist
   'exit'      => { no_prompt => 1, cmd_disconnects => 1 },  
   reboot      => { no_prompt => 1, cmd_disconnects => 1 },  Returns the output from the maclist command
   save_sudb   => { String => 'save sudb', expect => $success },  
   syslog      => { expect => $success },  =head2 B<maclist_reset> - resets the maclist.  
   'pipe'      => { }, # XXX needs a special decode  
   maclist     => { decode => 'maclist' },  No useful output.
   maclist_reset => { String => 'maclist reset', expect => 'done' },  
   eth_link    => { String => 'eth link', expect => $success },  =head2 B<eth_link> - eth link command
   # eth r, w and reset???  
   #su password???  Returns the output from the eth link command
   #_bootloader  
   #temp  This command seems to cause some weird issues.  It often will cause the
   #heater  command after it to appear to fail.  I am not sure why.
 );  
   =head2 B<su_info> - gets the su info
 my %ALIASES = (  
   bye     => 'exit',  Returns information about the SU.
   restart => 'reboot',  
 );  You need to pass in the $suid and it will return the info for that suid.
   
 my %ACCESS = map { $_ => 1 } qw(    $t->su_info($suid);
   firmware_version  
   host_type  =head2 B<su_testrflink> - tests the RF Link to an su
   Host  
   is_connected    $t->su_testrflink($suid|'all');
   logged_in  
   login_banner  =head2 B<save_ss> - saves the config.  
   Timeout  
   last_lines  Returns 1 on success, undef on failure.
   last_vals  
 );  =head2 B<opmode> - sets opmode ap y or returns the opmode
   
 sub AUTOLOAD      $t->opmode([ap y]);
 {  
   my $self = shift;  =cut
   
   my ($method) = (our $AUTOLOAD) =~ /^.*::(\w+)$/  my $success  = 'Success\\.';
     or die "Weird: $AUTOLOAD";  my %COMMANDS = (
       tftpd       => { decode    => 'all',       expect          => $success },
   if (exists $ALIASES{$method}) {      ver         => { decode    => 'all' },
     $method = $ALIASES{$method};      sysinfo     => { decode    => 'all',       expect          => $success },
     return $self->$method(@_);      updateflash => { decode    => 'all',       expect          => $success },
   }      sulog       => { decode    => 'sulog',     expect          => $success },
       'exit'      => { no_prompt => 1,           cmd_disconnects => 1 },
   if (exists $COMMANDS{$method}) {      reboot      => { no_prompt => 1,           cmd_disconnects => 1 },
     $method = shift if (@_ == 1);      remarks     => { decode    => 'all',       expect          => $success },
     $COMMANDS{$method}{'String'} ||= $method;      save_sudb   => { String    => 'save sudb', expect          => $success },
     return $self->cmd(%{ $COMMANDS{$method} }, @_);      syslog      => { expect    => $success },
   }      'pipe'      => {},                        # XXX needs a special decode
       maclist     => { decode => 'maclist' },
   if (exists $ACCESS{$method}) {      maclist_reset => { String => 'maclist reset', expect       => 'done' },
     my $prev = $PRIVATE{$method};      eth_link    => { String => 'eth link',     expect          => $success },
     ($PRIVATE{$method}) = @_ if @_;      su_info     =>
     return $prev;        { String => 'su info',  decode => 'all', expect          => $success },
   }      su_testrflink =>
         { String => 'su testrflink', decode => 'each', expect    => $success },
   $method = "SUPER::$method";      save_ss     => { String => 'save ss',      expect          => $success },
   return $self->$method(@_);      opmode      => { decode => 'all',          expect          => $success },
 }  );
   
 =pod  my %ALIASES = (
       bye     => 'exit',
 =item open      restart => 'reboot',
       Host    => 'host',
 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()      save_systemseting => 'save_ss',
   );
 =cut  
   my %ACCESS = map { $_ => 1 } qw(
 sub open    firmware_version
 {    host_type
   my $self = shift;    is_connected
     logged_in
   unless ( $self->SUPER::open(@_) ) {    login_banner
     #$! = "Couldn't connect to " . $self->Host . ":  $!";    Timeout
     return undef;    last_lines
   }    last_vals
     last_error
   ## Get to login prompt    Decode
   unless ($self->waitfor(  );
       -match => '/password: ?$/i',  
       -errmode => "return",  sub AUTOLOAD {
     ) ) {      my $self = shift;
     #$! = "problem connecting to host (" . $self->Host . "): " .  
     #    $self->lastline;      my ($method) = ( our $AUTOLOAD ) =~ /^.*::(\w+)$/
     return undef;        or die "Weird: $AUTOLOAD";
   }  
       if ( exists $ALIASES{$method} ) {
   $self->parse_login_banner($self->lastline);          $method = $ALIASES{$method};
           return $self->$method(@_);
   $self->is_connected(1);      }
   
   return $self->is_connected;      if ( exists $COMMANDS{$method} ) {
 }          my %cmd;
           foreach my $k ( keys %{ $COMMANDS{$method} } ) {
 =pod              $cmd{$k} = $COMMANDS{$method}{$k};
           }
 =item login          $cmd{'String'} ||= $method;
           $cmd{'args'} .= $SPACE . shift if ( @_ == 1 );
 Calls open() if not already connected, then sends the password and sets logged_in() if successful          return $self->cmd( %cmd, @_ );
       }
 =cut  
       if ( exists $ACCESS{$method} ) {
 sub login          my $prev = $PRIVATE{$method};
 {          ( $PRIVATE{$method} ) = @_ if @_;
   my $self = shift;          return $prev;
       }
   unless ($self->is_connected) {  
     $self->open or return undef;      $method = "SUPER::$method";
   }      return $self->$method(@_);
   }
   my $password = shift;  
   =pod
   $self->print($password);  
   unless ($self->waitfor(  =head2 B<open> - Open a connection to a Trango AP.
     -match => $self->prompt,  
     -errmode => "return",  Calls Net::Telnet::open() then makes sure you get a password prompt so
   ) ) {  you are ready to login() and parses the login banner so you can get
     #$! = "login ($self->Host) failed: " . $self->lastline;  host_type() and firmware_version()
     return undef;  
   }  =cut
   
   $self->logged_in(1);  sub open {
       my $self = shift;
   return $self->logged_in;  
 }      unless ( $self->SUPER::open(@_) ) {
           $self->last_error( "Couldn't connect to " . $self->host . ":  $!" );
 =pod          return;
       }
 =item parse_login_banner  
       ## Get to login prompt
 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()      unless (
           $self->waitfor(
 =cut              -match   => '/password: ?$/i',
               -errmode => "return",
 sub parse_login_banner          )
 {        )
   my $self = shift;      {
           $self->last_error( "problem connecting to host ("
   if (@_) {                . $self->host . "): "
     $self->login_banner(@_);                . $self->lastline );
   }          return;
       }
   my $banner = $self->login_banner;  
       $self->parse_login_banner( $self->lastline );
   my ($type, $ver) = $banner =~  
     /Welcome to Trango Broadband Wireless (\S+)[\s-]+(.+)$/i;      $self->is_connected(1);
   
   $self->login_banner($banner);      return $self->is_connected;
   $self->host_type($type);  }
   $self->firmware_version($ver);  
   =pod
   return 1;  
 }  =head2 B<login> - Login to the AP.
   
 =pod  Calls open() if not already connected, then sends the password and sets
   logged_in() if successful
 =item su_password  
   =cut
 C<su_password('all'|suid, 'new_password')>  
   sub login {
 =cut      my $self = shift;
   
 sub su_password      unless ( $self->is_connected ) {
 {          $self->open or return;
   my $self     = shift;      }
   my $su       = shift || '!';  
   my $new_pass = shift || '';      my $password = shift;
   
   unless (defined $su) {      $self->print($password);
     warn "No su passed!"      unless (
     #return undef;          $self->waitfor(
   }              -match   => $self->prompt,
               -errmode => "return",
   unless (defined $new_pass) {          )
     warn "No new password!"        )
     #return undef;      {
   }          $self->last_error( "login ($self->host) failed: " . $self->lastline );
           return;
   return $self->cmd(String => 'su password ' .      }
                      $su . ' ' .  
                      $new_pass . ' ' .      $self->logged_in(1);
                      $new_pass,  
                      expect => $success,      return $self->logged_in;
                     );  }
 }  
   =pod
 =pod  
   =head2 B<parse_login_banner> - Converts the login_banner to something useful.
 =item su_ipconfig  
   Takes a login banner (what you get when you first connect to the Trango)
 C<su_ipconfig( 'suid', 'new_ip', 'new_subnet', 'new_gateway' )>  or reads what is already in login_banner() then parses it and sets
   host_type() and firmware_version() as well as login_banner()
 =cut  
   =cut
 sub su_ipconfig  
 {  sub parse_login_banner {
         my $self        = shift;      my $self = shift;
   
         my $suid        = shift;      if (@_) {
         my $new_ip      = shift;          $self->login_banner(@_);
         my $new_subnet  = shift;      }
         my $new_gateway = shift;  
       my $banner = $self->login_banner;
         return undef unless $suid =~ /^\d+$/;  
         return undef unless $new_ip;      my ( $type, $sep1, $subtype, $sep2, $ver ) =
         return undef unless $new_subnet;        $banner =~
         return undef unless $new_gateway;        /Welcome to Trango Broadband Wireless (\S+)([\s-]+)(\S+)([\s-]+)(.+)$/i;
   
         # su ipconfig <suid> <new ip> <new subnet> <new gateway>      $type .= $sep1 . $subtype;
         return $self->cmd(String => 'su ipconfig ' .      $ver = $subtype . $sep2 . $ver;
                      $suid       . ' ' .  
                      $new_ip     . ' ' .      $self->login_banner($banner);
                      $new_subnet . ' ' .      $self->host_type($type);
                      $new_gateway,      $self->firmware_version($ver);
                      expect => $success,  
                     );      return 1;
 }  }
   
 =pod  =pod
   
 =item sudb_view  =head2 B<su_password> - Set the password on SUs connected to the AP.
   
 returns a reference to an array of hashes each containing:  su_password('new_password'[, 'suid']) If no suid is specified,
   the default is "all".
   suid  
   type    $t->su_password('good_pass', 5);
   cir  
   mir  =cut
   mac  
   sub su_password {
 =cut      my $self     = shift;
       my $new_pass = shift || $EMPTY;
 sub sudb_view      my $su       = shift || 'all';
 {  
   my $self = shift;      unless ( defined $new_pass ) {
           $self->last_error("No new password");
   my @lines = $self->cmd( String => 'sudb view', expect => $success );  
           #return;
   return undef unless @lines;      }
   
   unless ($PRIVATE{'Decode'}) {      return $self->cmd(
     return @lines;          String => 'su password ' . $su . $SPACE . $new_pass . $SPACE . $new_pass,
   }          expect => $success,
       );
   my @sus;  }
   foreach (@lines) {  
     next unless $_;  =pod
     if (/^\[(\d+)\]\s+(\d+)\s+(\d+)\s+(\d+)\s+([0-9A-Fa-f\s]+)$/) {  
       my %s = (  =head2 B<su_ipconfig> - Change IP configuration on SUs connected to the AP.
         suid => $1,  
         type => $2,  su_ipconfig( 'suid', 'new_ip', 'new_subnet', 'new_gateway' )
         cir  => $3,  
         mir  => $4,    $t->su_ipconfig( 5, '10.0.1.5', '255.255.255.0', '10.0.1.1' );
         mac  => $5,  
       );  =cut
   
           $s{'mac'} =~ s/\s//g;  sub su_ipconfig {
           $s{'mac'} = uc($s{'mac'});      my $self = shift;
   
       push @sus, \%s;      my $suid        = shift;
     }      my $new_ip      = shift;
   }      my $new_subnet  = shift;
       my $new_gateway = shift;
   return \@sus;  
 }      if ( $suid =~ /\D/ ) {
           $self->last_error("Invalid suid '$suid'");
 =pod          return;
       }
 =item sudb_add      unless ($new_ip) {
           $self->last_error("no new_ip passed");
 Takes the following paramaters          return;
       }
         suid : numeric,      unless ($new_subnet) {
         type : (reg|pr)          $self->last_error("no new_subnet passed");
         cir  : numeric,          return;
         mir  : numeric,      }
         mac  : Almost any format, it will be reformatted,      unless ($new_gateway) {
           $self->last_error("no new_gateway passed");
 and returns true on success or undef otherwise.          return;
       }
 You should save_sudb() after calling this, or your changes  will be lost  
 when the AP is rebooted.      # su ipconfig <suid> <new ip> <new subnet> <new gateway>
       return $self->cmd(
 =cut          String => 'su ipconfig ' . $suid . $SPACE . $new_ip . $SPACE
             . $new_subnet . $SPACE
 sub sudb_add            . $new_gateway,
 {          expect => $success,
         my $self = shift;      );
         my $suid = shift;  }
         my $type = shift;  
         my $cir  = shift;  =pod
         my $mir  = shift;  
         my $mac  = shift;  =head2 B<sudb_view> - Returns the output from the sudb view command
   
         if ($suid =~ /\D/) {  returns a reference to an array of hashes each containing these keys
                 return undef;  'suid', 'type', 'cir', 'mir' and 'mac'
         }  
   =cut
         unless (lc($type) eq 'reg' || lc($type) eq 'pr') {  
                 warn "Invalid type '$type'!";  sub sudb_view {
                 return undef;      my $self = shift;
         }  
       my $lines = $self->cmd( String => 'sudb view', expect => $success ) || [];
         if ($cir =~ /\D/) {  
                 warn "Invalid CIR '$cir'!";      return unless @{$lines};
                 return undef;  
         }      unless ( $PRIVATE{'Decode'} ) {
           return $lines;
         if ($mir =~ /\D/) {      }
                 warn "Invalid MIR '$mir'!";  
                 return undef;      my @sus;
         }      foreach ( @{$lines} ) {
           next unless $_;
         my $new_mac = $mac;          if (/^\[(\d+)\]\s+(\d+)\s+(\d+)\s+(\d+)\s+([0-9A-Fa-f\s]+)$/) {
         $new_mac =~ s/[^0-9A-Fa-f]//;              my %s = (
         unless (length $new_mac == 12) {                  suid => $1,
                 warn "Invalid MAC '$mac'!";                  type => $2,
                 return undef;                  cir  => $3,
         }                  mir  => $4,
         $new_mac = join ' ', $new_mac =~ /../g;                  mac  => $5,
               );
         my $string = 'sudb add ' .  
                 $suid . ' ' .              $s{'mac'} =~ s/\s//g;
                 $type . ' ' .              $s{'mac'} = uc( $s{'mac'} );
                 $cir  . ' ' .  
                 $mir  . ' ' .              push @sus, \%s;
                 $new_mac;          }
       }
   
         return $self->cmd( String => $string, expect => $success );      return \@sus;
 }  }
   
 =pod  =pod
   
 =item sudb_delete  =head2 B<sudb_add> - Adds an su to the sudb
   
 Takes either 'all' or the  suid of the su to delete  Takes the following paramaters
 and returns true on success or undef otherwise.  
       suid : numeric,
 You should save_sudb() after calling this, or your changes  will be lost      type : (reg|pr)
 when the AP is rebooted.      cir  : numeric,
       mir  : numeric,
 =cut      mac  : Almost any format, it will be reformatted,
   
 sub sudb_delete  and returns true on success or undef otherwise.
 {  
         my $self = shift;    $t->sudb_add($suid, 'reg', $cir, $mir, $mac);
         my $suid = shift;  
   You should save_sudb() after calling this, or your changes  will be lost
         if (lc($suid) ne 'all' || $suid =~ /\D/) {  when the AP is rebooted.
                 return undef;  
         }  =cut
   
         return $self->cmd( String => 'sudb delete ' . $suid, expect => $success );  sub sudb_add {
 }      my $self = shift;
       my $suid = shift;
 =pod      my $type = shift;
       my $cir  = shift;
 =item sudb_modify      my $mir  = shift;
       my $mac  = shift;
 Takes either the  suid of the su to delete  
 as well as what you are changing, either "cir, mir or su2su"      if ( $suid =~ /\D/ ) {
 and returns true on success or undef otherwise.          $self->last_error("Invalid suid '$suid'");
           return;
 cir and mir also take a value to set the cir/mir to.      }
   
 su2su takes a group id parameter that is in hex.      unless ( lc($type) eq 'reg' || lc($type) eq 'pr' ) {
           $self->last_error("Invalid type '$type'");
 You should save_sudb() after calling this, or your changes  will be lost          return;
 when the AP is rebooted.      }
   
 =cut      if ( $cir =~ /\D/ ) {
           $self->last_error("Invalid CIR '$cir'");
 sub sudb_modify          return;
 {      }
         my $self  = shift;  
         my $suid  = shift;      if ( $mir =~ /\D/ ) {
         my $opt   = shift;          $self->last_error("Invalid MIR '$mir'");
         my $value = shift;          return;
       }
         if ($suid =~ /\D/) {  
                 return undef;      my $new_mac = $mac;
         }      $new_mac =~ s/[^0-9A-Fa-f]//;
       unless ( length $new_mac == 12 ) {
         if (lc($opt) eq 'cir' or lc($opt) eq 'mir') {          $self->last_error("Invalid MAC '$mac'");
                 if ($value =~ /\D/) {          return;
                         return undef;      }
                 }      $new_mac = join $SPACE, $new_mac =~ /../g;
         } elsif (lc($opt) eq 'su2su') {  
                 if ($value =~ /[^0-9A-Za-f]/) {      my $string =
                         return undef;        'sudb add ' . $suid . $SPACE . $type . $SPACE . $cir . $SPACE . $mir . $SPACE
                 }        . $new_mac;
         } else {  
                 return undef;      return $self->cmd( String => $string, expect => $success );
         }  }
   
         my $string = 'sudb modify ' . $suid . ' ' . $opt . ' ' . $value;  =pod
   
         return $self->cmd( String => $string, expect => $success );  =head2 B<sudb_delete> - removes an su from the sudb
 }  
   Takes either 'all' or the  suid of the su to delete
 =pod  and returns true on success or undef otherwise.
   
 =item enable_tftpd    $t->sudb_delete($suid);
   
 runs C<tftpd(args =E<gt> 'on')> and makes sure that Tftpd is now 'listen'ing  You should save_sudb() after calling this, or your changes  will be lost
   when the AP is rebooted.
 =cut  
   =cut
 sub enable_tftpd  
 {  sub sudb_delete {
   my $self = shift;      my $self = shift;
       my $suid = shift;
   my $vals = $self->tftpd( args => 'on' );  
       #if (lc($suid) ne 'all' || $suid =~ /\D/) {
   if ($vals->{'Tftpd'} eq 'listen') {      if ( $suid =~ /\D/ ) {
     return $vals;          $self->last_error("Invalid suid '$suid'");
   } else {          return;
     return undef;      }
   }  
 }      return $self->cmd( String => 'sudb delete ' . $suid, expect => $success );
   }
 =pod  
   =pod
 =item disable_tftpd  
   =head2 B<sudb_modify> - changes the su information in the sudb
 runs C<tftpd(args =E<gt> 'off')> and makes sure that Tftpd is now 'disabled'  
   Takes either the  suid of the su to change
 =cut  as well as what you are changing, either "cir, mir or su2su"
   and returns true on success or undef otherwise.
 sub disable_tftpd  
 {  cir and mir also take a value to set the cir/mir to.
   my $self = shift;  
   su2su takes a group id parameter that is in hex.
   my $vals = $self->tftpd( args => 'off' );  
     $t->sudb_modify($suid, 'cir', 512);
   if (ref $vals eq 'HASH' && $vals->{'Tftpd'} eq 'disabled') {  
     return $vals;  You should save_sudb() after calling this, or your changes  will be lost
   } else {  when the AP is rebooted.
     return undef;  
   }  =cut
 }  
   sub sudb_modify {
 =pod      my $self  = shift;
       my $suid  = shift;
 =item cmd      my $opt   = shift;
       my $value = shift;
 This does most of the work.  At the heart, it calls Net::Telnet::cmd() but it also does some special stuff for Trango.  
       if ( $suid =~ /\D/ ) {
 Normally returns the last lines from from the command          $self->last_error("Invalid suid '$suid'");
           return;
 Also accepts these options:      }
   
 I<decode>      if ( lc($opt) eq 'cir' or lc($opt) eq 'mir' ) {
 - if this is true, then it will send the output lines to _decode_lines() and then returns the decoded output          if ( $value =~ /\D/ ) {
               $self->last_error("Invalid $opt '$value'");
 I<cmd_disconnects>              return;
 - if this is true, it then sets logged_in() to false, then it will close() the connection and then sets is_connected() to false          }
       }
 I<expect>      elsif ( lc($opt) eq 'su2su' ) {
 - if this is set (usually to 'Success.') it will check for that in the last line of output and if it does not, will return undef because the command probably failed          if ( $value =~ /[^0-9A-Za-f]/ ) {
               $self->last_error("Invalid MAC '$value'");
 I<args>              return;
 - a string containing the command line options that are passed to the command          }
       }
 =cut      else {
           $self->last_error("Invalid option '$opt'");
 sub cmd          return;
 {      }
   my $self = shift;  
       my $string = 'sudb modify ' . $suid . $SPACE . $opt . $SPACE . $value;
   my @valid_net_telnet_opts = qw(  
     String      return $self->cmd( String => $string, expect => $success );
     Output  }
     Cmd_remove_mode  
     Errmode  =pod
     Input_record_separator  
     Ors  =head2 B<enable_tftpd> - enable the TFTP server
     Output_record_separator  
     Prompt  runs C<tftpd(args =E<gt> 'on')> and makes sure that Tftpd is now 'listen'ing
     Rs  
     Timeout  =cut
   );  
   sub enable_tftpd {
   my %cfg;      my $self = shift;
   if (@_ == 1) {  
     $cfg{'String'} = shift;      my $vals = $self->tftpd( args => 'on' );
   } elsif (@_ > 1) {  
     %cfg = @_;      if ( ref $vals eq 'HASH' && $vals->{'Tftpd'} eq 'listen' ) {
   }          return $vals;
       }
   $cfg{'Timeout'} ||= $self->Timeout;      else {
           return;
   unless ($cfg{'String'}) {      }
     #$! = "No command passed";  }
     #warn "No command passed\n";  
     return undef;  =pod
   }  
   =head2 B<disable_tftpd> - disable the TFTP server
   unless ($self->is_connected) {  
     #$! = "Not connected";  runs C<tftpd(args =E<gt> 'off')> and makes sure that Tftpd is now 'disabled'
     #warn "Not connected\n";  
     return undef;  =cut
   }  
   sub disable_tftpd {
   unless ($self->logged_in) {      my $self = shift;
     #$! = "Not logged in";  
     #warn "Not logged in\n";      my $vals = $self->tftpd( args => 'off' );
     return undef;  
   }      if ( ref $vals eq 'HASH' && $vals->{'Tftpd'} eq 'disabled' ) {
           return $vals;
       }
   my %cmd;      else {
   foreach (@valid_net_telnet_opts) {          return;
     if (exists $cfg{$_}) {      }
       $cmd{$_} = $cfg{$_};  }
     }  
   }  =pod
   if ($cfg{'args'}) {  
     $cmd{'String'} .= ' ' . $cfg{'args'};  =head2 B<cmd> - runs a command on the AP.
   }  
   my @lines;  This does most of the work.  At the heart, it calls Net::Telnet::cmd()
   unless ($cfg{'no_prompt'}) {  but it also does some special stuff for Trango.
     @lines = $self->SUPER::cmd(%cmd);  
   } else {  Normally returns the last lines from from the command
     $self->print($cmd{'String'});  
     @lines = $self->lastline;  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.
   $self->last_lines(\@lines);  
   In addition to the Net::Telnet::cmd() options, it also accepts these:
   my $vals = 1;  
   if ($PRIVATE{'Decode'} && $cfg{'decode'}) {  I<decode>
     if ($cfg{'decode'} eq 'each') {  - if this is true, then it will send the output lines to _decode_lines()
       $vals = _decode_each_line(@lines);  and then returns the decoded output
     } elsif ($cfg{'decode'} eq 'sulog') {  
       $vals = _decode_sulog(@lines);  I<no_prompt>
     } elsif ($cfg{'decode'} eq 'maclist') {  - if this is true, it does not wait for a prompt, so you are not stuck
       $vals = _decode_maclist(@lines);  waiting for something that will never happen.
     } else {  
       $vals = _decode_lines(@lines);  I<cmd_disconnects>
     }  - if this is true, it then sets logged_in() to false, then it will
   }  close() the connection and set is_connected() to false
   
   $self->last_vals($vals);  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
   my $last = $self->lastline;  command probably failed
   
   if ((not $cfg{'expect'}) || $last =~ /$cfg{'expect'}$/) {  I<args>
     if ($cfg{'cmd_disconnects'}) {  - a string containing the command line options that are passed to the
       $self->logged_in(0);  command
       $self->close;  
       $self->is_connected(0);      $t->cmd( String => 'exit', no_prompt => 1, cmd_disconnects => 1 );
     }  
   =cut
     if ($PRIVATE{'Decode'} && $cfg{'decode'}) {  
       return $vals;  sub cmd {
     } else {      my $self = shift;
       return @lines;  
     }      my @valid_net_telnet_opts = qw(
   } else {        String
     #$! = "Error with command ($cfg{'string'}): $last";        Output
     return undef;        Cmd_remove_mode
   }        Errmode
 }        Input_record_separator
         Ors
 #=item _decode_lines        Output_record_separator
         Prompt
 sub _decode_lines        Rs
 {        Timeout
   my @lines = @_;      );
   
   my %conf;      my %cfg;
       if ( @_ == 1 ) {
   my $key = '';          $cfg{'String'} = shift;
   my $val = '';      }
   my $in_key = 0;      elsif ( @_ > 1 ) {
   my $in_val = 0;          %cfg = @_;
       }
   foreach my $line (@lines) {  
     next if $line =~ /$success$/;      $cfg{'Timeout'} ||= $self->Timeout;
   
     my @chars = split //, $line;      unless ( $cfg{'String'} ) {
           $self->last_error("No command passed");
     my $last_key = '';          return;
     foreach my $c (@chars) {      }
   
       if ($c eq '[' || $c eq "\r" || $c eq "\n") {      unless ( $self->is_connected ) {
         if ($c eq '[') {          $self->last_error("Not connected");
           $in_key = 1;          return;
           $in_val = 0;      }
         } else {  
           $in_key = 0;      unless ( $self->logged_in ) {
           $in_val = 0;          $self->last_error("Not logged in");
         }          return;
       }
         if ($key) {  
           $key =~ s/^\s+//;      my %cmd;
           $key =~ s/\s+$//;      foreach (@valid_net_telnet_opts) {
           if ( exists $cfg{$_} ) {
           $val =~ s/^\s+//;              $cmd{$_} = $cfg{$_};
           $val =~ s/\s+$//;          }
       }
           if ($key eq 'Checksum' && $last_key) {      if ( $cfg{'args'} ) {
             # Special case for these bastids.          $cmd{'String'} .= $SPACE . $cfg{'args'};
             my $new = $last_key;      }
             $new =~ s/\s+\S+$//;  
             $key = $new . " " . $key;      my @lines;
           }      if ( $cfg{'no_prompt'} ) {
           $self->print( $cmd{'String'} );
           $last_key = $key;          @lines = $self->lastline;
           $conf{$key} = $val;      }
           $key = '';      else {
           $val = '';          @lines = $self->SUPER::cmd(%cmd);
         }      }
   
       } elsif ($c eq ']') {      $self->last_lines( \@lines );
         $in_val = 1;  
         $in_key = 0;      my $vals = 1;
         $c = shift @chars;      if ( $PRIVATE{'Decode'} && $cfg{'decode'} ) {
           if ( $cfg{'decode'} eq 'each' ) {
       } elsif ($in_key) {              $vals = _decode_each_line(@lines);
         $key .= $c;          }
           elsif ( $cfg{'decode'} eq 'sulog' ) {
       } elsif ($in_val) {              $vals = _decode_sulog(@lines);
         $val .= $c;          }
       }          elsif ( $cfg{'decode'} eq 'maclist' ) {
     }              $vals = _decode_maclist(@lines);
   }          }
           else {
   if (%conf) {              $vals = _decode_lines(@lines);
     return \%conf;          }
   } else {      }
     return undef;  
   }      $self->last_vals($vals);
 }  
       my $last = $self->lastline;
 #=item _decode_each_line  
       if ( ( not $cfg{'expect'} ) || $last =~ /$cfg{'expect'}$/ ) {
 sub _decode_each_line          if ( $cfg{'cmd_disconnects'} ) {
 {              $self->logged_in(0);
   my @lines = @_;              $self->close;
   my @decoded;              $self->is_connected(0);
   foreach my $line (@lines) {          }
     my $decoded = _decode_lines($line);  
     push @decoded, $decoded if defined $decoded;          if ( $PRIVATE{'Decode'} && $cfg{'decode'} ) {
   }              return $vals;
   return \@decoded;          }
 }          else {
               return \@lines;
 #=item _decode_sulog          }
       }
 sub _decode_sulog      else {
 {          my $err;
   my @lines = @_;          if (grep { /\[ERR\]/ } @lines) {
   my @decoded;              $err = _decode_lines(@lines);
   my $last_tm;          }
   foreach my $line (@lines) {  
     my $decoded = _decode_lines($line);          if (ref $err eq 'HASH' && $err ->{ERR}) {
               $self->last_error($err->{ERR} );
     if (defined $decoded) {          } else {
       if ($decoded->{'tm'}) {              $self->last_error("Error with command ($cfg{'String'}): $last");
         $last_tm = $decoded->{'tm'};          }
         next;          return;
       } else {      }
         $decoded->{'tm'} = $last_tm;  }
       }  
       next unless $last_tm;  #=item _decode_lines
   
       push @decoded, $decoded if defined $decoded;  sub _decode_lines {
     }      my @lines = @_;
   }  
   return \@decoded;      my %conf;
 }  
       my $key = $EMPTY;
 #=item _decode_maclist      my $val = undef;
       my @vals;
 sub _decode_maclist      my $in_key = 0;
 {      my $in_val = 1;
         my @lines = @_;  
         my @decoded;      foreach my $line (@lines) {
         my $total_entries = 0;          next if $line =~ /$success$/;
         my $current_tm = 0;  
         foreach my $line (@lines) {          my @chars = split //, $line;
                 $line =~ s/\r?\n$//;  
                 my ($mac, $loc, $tm) = $line =~ /          my $last_key = $EMPTY;
                         ([0-9a-fA-F ]{17})\s+          foreach my $c (@chars) {
                         (.*)\s+  
                         tm\s+              if ( $c eq '[' || $c eq "\r" || $c eq "\n" ) {
                         (\d+)                  if ( $c eq '[' ) {
                 /x;                      $in_key = 1;
                       $in_val = 0;
                 if ($mac) {                  }
                         $mac =~ s/\s+//g;                  else {
                         $loc =~ s/^\s+//;                      $in_key = 0;
                         $loc =~ s/\s+$//;                      $in_val = 1;
                   }
                         my $suid = undef;  
                         if ($loc =~ /suid\s+=\s+(\d+)/) {                  if ($key) {
                                 $suid = $1;                      $key =~ s/^\s+//;
                                 $loc = undef;                      $key =~ s/\s+$//;
                         }  
                       if ($val) {
                         push @decoded, {                          $val =~ s/^\s+//;
                                 mac  => $mac,                          $val =~ s/\s+$//;
                                 loc  => $loc,                      }
                                 tm   => $tm,  
                                 suid => $suid,                      if ( $key eq 'Checksum' && $last_key ) {
                                 cur_tm => \$current_tm,  
                         };                          # Special case for these bastids.
                 } elsif ($line =~ /(\d+)\s+entries/) {                          my $new = $last_key;
                         $total_entries = $1;                          $new =~ s/\s+\S+$//;
                 } elsif ($line =~ /current tm = (\d+)\s+sec/) {                          $key = $new . $SPACE . $key;
                         $current_tm = $1                      }
                 }  
         }                      $conf{$key} = $val;
         if (scalar @decoded == $total_entries) {                      $last_key   = $key;
                 return \@decoded;                      $key        = $EMPTY;
         } else {                  }
                 # XXX we should have a way to set last error, not sure why we don't                  elsif ($val) {
                 return undef;                      push @vals, $val;
         }                  }
 }                  $val = $EMPTY;
   
 1;              }
 __END__              elsif ( $c eq ']' ) {
                   $in_val = 1;
 =back                  $in_key = 0;
                   $c      = shift @chars;
 =head1 SEE ALSO  
               }
 Trango Documentation - http://www.trangobroadband.com/support/product_docs.htm              elsif ($in_key) {
                   $key .= $c;
 L<Net::Telnet>  
               }
 =head1 TODO              elsif ($in_val) {
                   $val .= $c;
 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      unless ($key) {
           push @vals, $val;
 Andrew Fresh E<lt>andrew@rraz.netE<gt>      }
   
 =head1 COPYRIGHT AND LICENSE      if ( @vals == 1 ) {
           $val = $vals[0];
 Copyright (C) 2005 by Andrew Fresh      }
       elsif (@vals) {
 This library is free software; you can redistribute it and/or modify          $val = \@vals;
 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.      else {
           $val = undef;
       }
 =cut  
       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_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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