===================================================================
RCS file: /cvs/trango/Net-Telnet-Trango/scripts/update_trango.pl,v
retrieving revision 1.10
retrieving revision 1.31
diff -u -r1.10 -r1.31
--- trango/Net-Telnet-Trango/scripts/update_trango.pl	2005/12/21 01:17:06	1.10
+++ trango/Net-Telnet-Trango/scripts/update_trango.pl	2007/02/06 23:15:53	1.31
@@ -1,644 +1,451 @@
-#!/usr/bin/perl
-# $RedRiver: update_trango.pl,v 1.9 2005/11/18 19:17:12 andrew Exp $
-########################################################################
-# update_trango.pl *** Updates trango foxes with a new firmware
-# 
-# 2005.11.15 #*#*# andrew fresh <andrew@mad-techies.org>
-########################################################################
-use strict;
-use warnings;
-
-use Net::TFTP;
-
-my $config_file = shift || 'update_trango.conf';
-my $max_tries = 3;
-
-
-
-my $l = Mylogger->new( { log_prefix => 'UT' } );
-
-
-$l->sp("Reading config file '$config_file'");
-my $conf = read_conf($config_file);
-
-$l->sp("  Hardware Type: $conf->{'type'}");
-$l->sp("  File Name:     $conf->{'file_name'}");
-$l->sp("  File Size:     $conf->{'file_size'}");
-$l->sp("  File Checksum: $conf->{'file_cksum'}");
-$l->sp("  FW Version:    $conf->{'ver'}");
-$l->sp("  FW Checksum:   $conf->{'cksum'}");
-$l->sp("");
-
-
-
-
-
-
-foreach my $fox (@{ $conf->{'ips'} }) {
-  $l->sp("Updating: $fox");
-
-  ## Connect and login.
-  my $t = new Trango::Telnet ({
-    Host    => $fox,
-    Timeout => 5,
-  });
-
-  $l->p("Connecting to $fox");
-  my ($type, $version) = $t->connect();
-
-  unless (defined $type && defined $version) {
-    $l->sp("Error connecting!");
-    next;
-  }
-
-  if ($type ne $conf->{'type'}) {
-    $l->sp("Wrong type of unit ('$type' should be '$conf->{'type'}')");
-    $t->close;
-    next;
-  }
-
-  if ($version eq $conf->{'ver'}) {
-    $l->sp("Already up to date with firmware version '$version'");
-    $t->close;
-    next;
-  }
-
-  $l->p("Logging in");
-  $t->login($conf->{'password'}) || die "Couldn't login: $!";
-
-  $l->p("Sending commands");
-  ## Send commands
-  if ( upload($t, $conf->{'file_name'}) ) {
-    $l->p("Rebooting");
-    $t->reboot;
-  } else {
-    $l->p("Exiting");
-    $t->exit;
-  }
-  $t->close;
-  $l->sp("");
-}
-
-sub upload
-{
-  my $t    = shift;
-  my $file = shift;
-
-  $l->p("Getting current version");
-  my $ver = $t->ver;
-
-  if (
-    $ver->{'Firmware Version'}  eq $conf->{'ver'} && 
-    $ver->{'Firmware Checksum'} eq $conf->{'cksum'}
-  ) {
-    $l->sp("Already updated!");
-    return 1;
-  }
-
-  my $try = 0;
-  while (1) {
-    if ($try >= $max_tries) {
-      $l->sp("Couldn't update in $max_tries tries!");
-      return undef;
-    }
-    $try++;
-
-    #sysinfo($self->{'_host'});
-    
-    $l->p("Enabling TFTPd");
-    $t->enable_tftpd || die "Couldn't enable tftpd";
-
-    $l->p("Uploading file ($file)");
-    # use tftp to push the file up
-    my $tftp = Net::TFTP->new($t->Host, Mode => 'octet');
-
-    $tftp->put($file, $file) 
-      or die "Error uploading: " . $tftp->error;
-
-    # waitfor some sort of output
-    # make sure it says 'Success.' otherwise error
-    #print "LAST: " . $self->lastline;
-    #my @lines = $self->getlines;
-    #print Dump \@lines;
-    
-    $l->p("Checking upload ($conf->{'file_cksum'})");
-    my $results = $t->tftpd;
-    # check the 'File Length' against ???
-    if ( $results->{'File Checksum'} ne $conf->{'file_cksum'}) {
-      $l->sp(
-        "File checksum '" . $results->{'File Checksum'} .
-        "does not match config file '" . $conf->{'file_cksum'} . "'!"
-      );
-      next;
-    } 
-    $l->p("File checksum matches . . . ");
-
-    if ($results->{'File Length'}   !~ /^$conf->{'file_size'} bytes/) {
-      $l->sp(
-        "File length '" . $results->{'File Length'} .
-        "does not match config file '" . $conf->{'file_size'} . " bytes'!"
-      );
-      next;
-    }
-    $l->p("File length matches . . . ");
-
-    if ( uc($results->{'File Name'}) ne uc($conf->{'file_name'}) ) {
-      $l->sp(
-        "File name '" . $results->{'File Name'} .
-        "' does not match config file '" . $conf->{'file_name'} . "'!"
-      );
-      next;
-    }
-    $l->p("File name  matches . . . ");
-
-    $l->p("Updating flash (new checksum '$conf->{'cksum'}')");
-    unless ($results = $t->updateflash(
-      $ver->{'Firmware Checksum'}, $conf->{'cksum'}
-    ) ) {
-      $l->sp("Couldn't update flash: $!");
-      next;
-    }
-
-    unless (
-      defined $results->{'Checksum'} && 
-      $results->{'Checksum'} eq $conf->{'cksum'}
-    ) {
-      $l->sp("Saved checksum does not match config file!");
-      next;
-    }
-    $l->p("Uploaded checksum ($results->{'Checksum'}) " . 
-          "matches ($conf->{'cksum'})");
-    
-    $l->sp("Successfully updated!");
-    return 1;
-  }
-}
-
-sub read_conf
-{
-  my $file = shift;
-  my %conf;
-  my $in_ip_list = 0;
-  open my $fh, $file or die "Couldn't open file $file: $!";
-  while (<$fh>) {
-    chomp;
-    next if /^#/;
-    next if /^$/;
-    if ($in_ip_list) {
-      s/\s+//g; # Whitespace is a no no
-
-      if (/^(\d{1,3}\.\d{1,3}\.\d{1,3}\.)(\d{1,3})-(\d{1,3})/) {
-        push @{ $conf{'ips'} }, $1 . $_ for ($2..$3);
-      } else {
-        push @{ $conf{'ips'} }, $_;
-      }
-    } else {
-      my ($key, $val) = split /\s+/, $_, 2;
-
-      if (lc($key) eq 'ips') {
-        $in_ip_list = 1;
-        next;
-      }
-
-      $key =~ s/^\s+//;
-      $key =~ s/\s+$//;
-      $val =~ s/^\s+//;
-      $val =~ s/\s+$//;
-
-      $conf{ lc($key) } = $val;
-    }
-  }
-  close $fh;
-
-  #print Dump \%conf;
-  foreach (
-    'password', 
-    'file_name', 'file_size', 'file_cksum', 
-    'ver', 'cksum', 'ips',
-  ) {
-    die "No $_ specified in config file!"
-      if (not exists $conf{$_});
-  }
-
-  #print Dump \%conf;
-  #exit;
-  return \%conf;
-}
-
-package Trango::Telnet;
-use base 'Net::Telnet';
-
-my %PRIVATE = (
-  connected => 0,
-  logged_in => 0,
-);
-
-sub new {
-  my $class = shift;
-  my $args = shift || {};
-
-  $args->{'Timeout'} ||= 5;
-  $args->{'Prompt'}  ||= '/#> *$/';
-
-  foreach my $key (keys %{ $args }) {
-    $PRIVATE{$key} = $args->{$key};
-  }
-
-  my $self = $class->SUPER::new(%{ $args });
-  bless $self;
-
-  #bless $self, $package;
-  return $self;
-}
-
-sub connect
-{
-  my $self = shift;
-
-  unless ( $self->open( 
-      Host => $PRIVATE{'Host'},
-      Errmode => 'return',
-  ) ) {
-    $! = "Couldn't connect to $self->{'Host'}.  Connection timed out.";
-    return undef, undef;
-  }
-  #$self->dump_log('dump.log');
-
-  ## Login to remote host.
-  unless ($self->waitfor(
-    -match => '/password: ?$/i',
-    -errmode => "return",
-  ) ) {
-    $! = "problem connecting to host ($self->{'Host'}): " . $self->lastline;
-    return undef;
-  }
-
-  $self->login_banner($self->lastline);
-
-  $PRIVATE{'connected'} = 1;
-
-  return ($self->host_type, $self->firmware_version);
-}
-
-sub login
-{
-  my $self = shift;
-
-  my $password = shift;
-
-  $self->print($password);
-  unless ($self->waitfor(
-    -match => $self->prompt,
-    -errmode => "return",
-  ) ) {
-    $! = "login ($self->{'Host'}) failed: " . $self->lastline;
-    return undef;
-  }
-
-  $PRIVATE{'logged_in'} = 1;
-
-  return 1;
-}
-
-sub login_banner
-{
-  my $self = shift;
-
-  my $banner = shift || $PRIVATE{'login_banner'};
-
-  my ($type, $ver) = $banner =~ 
-    /Welcome to Trango Broadband Wireless (.+)[\s-](\w+)$/i;
-
-  $self->host_type($type);
-  $self->firmware_version($ver); 
-
-  return $banner;
-}
-
-sub host_type 
-{
-  my $self = shift;
-
-  my $type = shift || $PRIVATE{'host_type'};
-  $PRIVATE{'host_type'} = $type;
-
-  return $type;
-}
-
-sub firmware_version
-{
-  my $self = shift;
-
-  my $ver = shift || $PRIVATE{'firmware_version'};
-  $PRIVATE{'firmware_version'} = $ver;
-  
-  return $ver
-}
-
-sub Host
-{
-  my $self = shift;
-  
-  my $host = shift || $PRIVATE{'Host'};
-  $PRIVATE{'HOST'} = $host;
-
-  return $host;
-}
-
-
-sub reboot
-{
-  my $self = shift;
-
-  $self->print("reboot\n");
-  $self->getline;
-
-  return 1;
-}
-
-sub exit
-{
-  my $self = shift;
-
-  $self->print("exit\n");
-  $self->getline;
-
-  return 1;
-}
-
-sub ver
-{
-  my $self = shift;
-
-  return $self->cmd('ver');
-}
-
-sub tftpd
-{
-  my $self = shift;
-
-  return $self->cmd('tftpd', 'Success.');
-}
-
-sub sysinfo
-{
-  my $self = shift;
-
-  return $self->cmd('sysinfo', 'Success.');
-}
-
-sub enable_tftpd
-{
-  my $self = shift;
-
-  my $vals = $self->cmd('tftpd on', 'Success.');
-
-  if ($vals->{'Tftpd'} eq 'listen') {
-    return $vals;
-  } else {
-    return undef;
-  }
-}
-
-sub updateflash
-{
-  my $self = shift;
-
-  my $old = shift;
-  my $new = shift;
-
-  return undef unless $new;
-
-  return $self->cmd("updateflash mainimage $old $new", 'Success.', 90);
-}
-
-sub cmd
-{
-  my $self = shift;
-
-  my $string = shift;
-  my $expect_last = shift;
-  my $timeout = shift || $PRIVATE{'Timeout'};
-
-  unless (defined $string) {
-    $! = "No command passed";
-    return undef;
-  }
-
-  unless ($PRIVATE{'connected'}) {
-    $! = "Not connected";
-    return undef;
-  }
-
-  unless ($PRIVATE{'logged_in'}) {
-    $! = "Not logged in";
-    return undef;
-  }
-
-  my @lines = $self->SUPER::cmd(String => $string, Timeout => $timeout);
-
-  my $vals = _decode_lines(@lines);
-
-  unless ($expect_last) {
-    return $vals;
-  }
-
-  my $last = $self->lastline;
-
-  if ($last =~ /$expect_last$/) {
-    return $vals;
-  } else {
-    warn "Error with command ($string): $last";
-    return undef;
-  }
-}
-
-sub _decode_lines
-{
-  my @lines = @_;
-
-  my %conf;
-
-  my $key = '';
-  my $val = '';
-  my $in_key = 0;
-  my $in_val = 0;
-
-  foreach my $line (@lines) {
-    my @chars = split //, $line;
-
-    my $last_key = '';
-    foreach my $c (@chars) {
-
-      if ($c eq '[' || $c eq "\r" || $c eq "\n") {
-        if ($c eq '[') {
-          $in_key = 1;
-          $in_val = 0;
-        } else {
-          $in_key = 0;
-          $in_val = 0;
-        }
-
-        if ($key) {
-          $key =~ s/^\s+//;
-          $key =~ s/\s+$//;
-
-          $val =~ s/^\s+//;
-          $val =~ s/\s+$//;
-
-          if ($key eq 'Checksum' && $last_key) {
-            # Special case for these bastids.
-            my $new = $last_key;
-            $new =~ s/\s+\S+$//;
-            $key = $new . " " . $key;
-          }
-
-          $last_key = $key;
-          $conf{$key} = $val;
-          $key = '';
-          $val = '';
-        }
-
-      } elsif ($c eq ']') {
-        $in_val = 1;
-        $in_key = 0;
-        $c = shift @chars;
-
-      } elsif ($in_key) {
-        $key .= $c;
-
-      } elsif ($in_val) {
-        $val .= $c;
-      }
-    }
-  }
-  #print Dump \%conf;
-
-  if (%conf) {
-    return \%conf;
-  } else {
-    return \@lines;
-  }
-}
-
-
-
-package Mylogger;
-
-use Fcntl ':flock'; # import LOCK_* constants
-#use YAML;
-use constant LOG_PRINT => 128;
-use constant LOG_SAVE  =>  64;
-
-DESTROY {
-  my $self = shift;
-  if ($self->{'MYLOG'}) {
-    $self->p("Closing log ($self->{'log_path'}/$self->{'log_file'})");
-    close $self->{'MYLOG'};
-  }
-}
-
-sub new {
-  my $package = shift;
-  my $self = shift || {};
-
-  $self->{'base_path'}  ||= '.';
-  $self->{'log_path'}   ||= $self->{'base_path'};
-  $self->{'log_prefix'} ||= 'LOG';
-  $self->{'log_file'}   ||= GetLogName(
-    $self->{'log_prefix'}, 
-    $self->{'log_path'}
-  );
-  bless $self, $package;
-}
-
-sub s
-{
-  my $self = shift;
-  my $m = shift;
-  return $self->mylog($m, LOG_SAVE);
-}
-
-sub p
-{
-  my $self = shift;
-  my $m = shift;
-  return $self->mylog($m, LOG_PRINT);
-}
-
-sub sp
-{
-  my $self = shift;
-  my $m = shift;
-  return $self->mylog($m, LOG_SAVE | LOG_PRINT);
-}
-
-sub mylog
-{
-  my $self = shift;
-
-  my $thing = shift;
-  chomp $thing;
-
-  my $which = shift;
-
-  my $MYLOG;
-  if ($which & LOG_PRINT) {
-    print $thing, "\n";
-  }
-
-  if ($which & LOG_SAVE) {
-    if ($self->{'MYLOG'}) {
-      $MYLOG = $self->{'MYLOG'};
-    } else {
-      unless ($MYLOG) {
-		open ($MYLOG, '>>', $self->{'log_path'} . '/' . $self->{'log_file'}) 
-          or die "Couldn't open logfile!\n";
-        my $ofh = select $MYLOG;
-        $|=1;
-        select $ofh;
-        $self->{'MYLOG'} = $MYLOG;
-
-        $self->p("Opened log ($self->{'log_path'}/$self->{'log_file'})");
-      }
-    }
-    flock($MYLOG, LOCK_EX);
-    print $MYLOG (scalar gmtime), "\t", $thing, "\n" 
-      or die "Couldn't print to MYLOG: $!";
-    flock($MYLOG, LOCK_UN);
-  }
-}
-
-sub GetLogName
-{
-  my $prefix  = shift || die "Invalid prefix passed for log";
-
-  my $logdate = GetLogDate();
-  my $logver  = 0;
-  my $logname;
-
-  do {
-    $logname = $prefix . $logdate . sprintf("%02d", $logver) . '.log';
-    $logver++;
-  } until (not -e $logname);
-
-  return $logname;
-}
-
-sub GetLogDate
-{
-  my ($sec,$min,$hour,$mday,$mon,$year,,,) = localtime();
-
-  $mon++;
-  $year += 1900;
-
-  if ($min  < 10) { $min  = "0$min"  }
-  if ($sec  < 10) { $sec  = "0$sec"  }
-  if ($hour < 10) { $hour = "0$hour" }
-  if ($mday < 10) { $mday = "0$mday" }
-  if ($mon  < 10) { $mon  = "0$mon"  }
-
-  my $time = $year . $mon . $mday;
-
-  return $time;
-}
+#!/usr/bin/perl
+# $RedRiver: update_trango.pl,v 1.30 2007/02/06 23:00:31 andrew Exp $
+########################################################################
+# update_trango.pl *** Updates trango hosts with a new firmware
+# 
+# 2005.11.15 #*#*# andrew fresh <andrew@mad-techies.org>
+########################################################################
+use strict;
+use warnings;
+
+use YAML qw/ LoadFile /;
+use Net::TFTP;
+use Net::Telnet::Trango;
+
+my $config_file = shift || 'update_trango.yaml';
+my $max_tries = 3;
+
+my $l = Mylogger->new( { log_prefix => 'UT' } );
+
+$l->sp("Reading config file '$config_file'");
+my $conf = LoadFile($config_file);
+
+my $hosts;
+if (@ARGV) {
+    @{ $hosts } = map { { name => $_, group => 'Trango-Client' } } @ARGV
+} else {
+    $hosts = parse_hosts($conf->{hosts});
+}
+
+#@{ $hosts } = grep { $_->{name} eq '10.100.7.2' } @{ $hosts };
+
+my $global_tries = $max_tries * 2;
+while ($global_tries > 0) { 
+    $global_tries--;
+    my $processed = 0;
+
+    foreach my $host (@{ $hosts }) {
+
+        if (! exists $host->{retry}) {
+            $host->{tries} = 0;
+            $host->{retry} = 1;
+        }
+
+        if ($host->{tries} >= $max_tries) {
+            $host->{retry} = 0;
+        }
+
+        if ($host->{retry} <= 0) {
+            next;
+        }
+
+        $host->{tries}++;
+        $processed++;
+
+        $l->sp("");
+        $l->sp("Checking: $host->{name} (try $host->{tries})");
+        my $needs_reboot = 0;
+
+        ## Connect and login.
+        my $t = new Net::Telnet::Trango (
+            Timeout => 5,
+            Errmode => 'return',
+        ) or die "Couldn't make new connection: $!";
+        $l->p("Connecting to $host->{name}");
+        unless ( $t->open($host->{name}) ) {
+            $l->sp("Error connecting: $!");
+            next;
+        }
+
+        my $password = $host->{Telnet_Password} || $conf->{general}->{password};
+
+        $l->p("Logging in");
+        $t->login($password);
+        unless ($t->logged_in) {
+            $l->p('Failed!');
+            $t->close;
+            next;
+        }
+
+        $l->sp("Getting sudb");
+        my $sudb = $t->sudb_view;
+        if ($sudb) {
+            foreach my $su (@{ $sudb }) {
+                $l->p("Getting su info $su->{suid}");
+                my $su_info = $t->su_info( $su->{suid} ); 
+                if ($su_info->{ip}) {
+                    if (grep { $_->{name} eq $su_info->{'ip'} } @{ $hosts }) {
+                        $l->p("Already have $su_info->{ip}");
+                        next;
+                    }
+                    $l->sp("Adding host $su_info->{ip}");
+                    my $new_host = {
+                        password => $host->{password},
+                        name     => $su_info->{ip},
+                        remarks  => $su_info->{remarks},
+                    };
+                    push @{ $hosts }, $new_host;
+                } else {
+                    $l->sp("Couldn't get su info for $su->{suid}");
+                    $l->sp("ERR: " . $t->last_error);
+                }
+            }
+        }
+
+        foreach my $firmware_type ('Firmware', 'FPGA') {
+
+            if (! exists $conf->{$firmware_type}) {
+                $l->s("No configs for '$firmware_type'");
+                next;
+            }
+
+            my $host_type = $t->host_type;
+            if ($firmware_type eq 'FPGA') {
+                $host_type =~ s/\s.*$//;
+            }
+
+            if (! exists $conf->{$firmware_type}->{$host_type}) {
+                $l->sp("No '$firmware_type' config for type $host_type");
+                next;
+            }
+
+            if ($firmware_type eq 'Firmware' && 
+                $t->firmware_version eq 
+                $conf->{$firmware_type}->{$host_type}->{ver}
+            ) {
+                $l->sp("Firmware already up to date");
+                next;
+            }
+
+            if (! $t->logged_in) {
+                $l->p("Logging in");
+                $t->login($password);
+                unless ($t->logged_in) {
+                    $l->p('Failed!');
+                    $t->close;
+                    last;
+                }
+            }
+
+            foreach my $k (keys %{ $conf->{general} }) {
+                $conf->{$firmware_type}->{$host_type}->{$k} 
+                  ||= $conf->{general}->{$k};
+            }
+            $conf->{$firmware_type}->{$host_type}->{firmware_type} 
+              ||= $firmware_type;
+            $conf->{$firmware_type}->{$host_type}->{type} = $host_type;
+
+            $l->sp("$host_type $firmware_type");
+            ## Send commands
+            my $rc = upload($t, $conf->{$firmware_type}->{$host_type});
+            if ($rc) {
+                $l->sp("Successfull!");
+                $host->{retry}--;
+                $needs_reboot = 1;
+            } elsif (defined $rc) {
+                $l->sp("Already up to date");
+                $host->{retry}--;
+            } else {
+                $l->sp("Failed");
+                $t->bye;
+                next;
+            }
+
+        }
+
+        if ($needs_reboot) {
+            $l->sp("Rebooting $host->{name}");
+            $t->reboot;
+        } else {
+            $l->sp("Bye $host->{name}");
+            $t->bye();
+        }
+    }
+
+    if (! $processed) {
+        $l->sp("");
+        $l->sp("Finished.  No more hosts.");
+        last;
+    }
+}
+
+sub upload
+{
+    my $t    = shift;
+    my $conf = shift;
+
+    my $file = $conf->{firmware_path} . '/' . $conf->{file_name};
+
+    my $fw_type = $conf->{firmware_type};
+
+    my $ver = $t->ver;
+
+    if (! (
+            $ver->{$fw_type . ' Version'}  &&
+            $ver->{$fw_type . ' Checksum'} 
+        )) {
+        $l->sp("Error getting current version numbers");
+        return;
+    }
+
+    if (
+        $ver->{$fw_type . ' Version'}  eq $conf->{'ver'} && 
+        $ver->{$fw_type . ' Checksum'} eq $conf->{'cksum'}
+    ) {
+        return 0;
+    }
+
+    $l->sp("Updating $fw_type");
+    $l->sp("Config information:");
+    $l->sp("  Hardware Type: $conf->{'type'}");
+    $l->sp("  File Name:     $conf->{'file_name'}");
+    $l->sp("  File Size:     $conf->{'file_size'}");
+    $l->sp("  File Checksum: $conf->{'file_cksum'}");
+    $l->sp("  Conf Version:  $conf->{'ver'}");
+    $l->sp("  Cur  Version:  $ver->{$fw_type . ' Version'}");
+    $l->sp("  Conf Checksum: $conf->{'cksum'}");
+    $l->sp("  Cur  Checksum: $ver->{$fw_type . ' Checksum'}");
+
+    my $try = 0;
+    while (1) {
+        if ($try >= $max_tries) {
+            $l->sp("Couldn't update in $max_tries tries!");
+            return;
+        }
+        $try++;
+
+        $l->p("Enabling TFTPd");
+        unless ($t->enable_tftpd) {
+            $l->sp("Couldn't enable tftpd");
+            next;
+        }
+
+        $l->p("Uploading file ($conf->{file_name})");
+        # use tftp to push the file up
+        my $tftp = Net::TFTP->new($t->Host, Mode => 'octet');
+
+        unless ($tftp->put($file, $file)) {
+            $l->sp("Error uploading: " . $tftp->error);
+            next;
+        }
+
+        $l->p("Checking upload ($conf->{'file_cksum'})");
+        my $results = $t->tftpd;
+        # check the 'File Length' against ???
+        if (! (
+                $results->{'File Checksum'} &&
+                $results->{'File Length'}   &&
+                $results->{'File Name'}
+            )) {
+            $l->sp("Unable to get results of upload");
+            next;
+        }
+        if ( $results->{'File Checksum'} ne $conf->{'file_cksum'}) {
+            $l->sp(
+                "File checksum (" . $results->{'File Checksum'} .
+                ") does not match config file (" . $conf->{'file_cksum'} . ")!"
+            );
+            next;
+        } 
+        $l->p("File checksum matches . . . ");
+
+        if ($results->{'File Length'}   !~ /^$conf->{'file_size'} bytes/) {
+            $l->sp(
+                "File length (" . $results->{'File Length'} .
+                ") does not match config file (" . $conf->{'file_size'} . " bytes)!"
+            );
+            next;
+        }
+        $l->p("File length matches . . . ");
+
+        if ( uc($results->{'File Name'}) ne uc($file) ) {
+            $l->sp(
+                "File name (" . $results->{'File Name'} .
+                ") does not match config file (" . $file . ")!"
+            );
+            next;
+        }
+        $l->p("File name matches . . . ");
+
+        my $image_type = 'mainimage';
+        if ($fw_type eq 'FPGA') {
+            $image_type = 'fpgaimage';
+        }
+        $l->p("Updating $image_type (new checksum '$conf->{'cksum'}')");
+        unless ($results = $t->updateflash(
+                args => $image_type . ' ' . $ver->{$fw_type . ' Checksum'} . 
+                ' '          . $conf->{'cksum'},
+                Timeout => 90,
+            ) ) {
+            $l->sp("Couldn't update flash: $!");
+            next;
+        }
+
+        unless (
+            defined $results->{'Checksum'} && 
+            $results->{'Checksum'} eq $conf->{'cksum'}
+        ) {
+            $l->sp("Saved checksum " . $results->{'Checksum'} . " does not match config file " .  $conf->{'cksum'} . "!");
+            next;
+        }
+
+        $l->p("$fw_type saved checksum matches . . . ");
+
+        return 1;
+    }
+}
+
+sub parse_hosts
+{
+    my $src = shift;
+
+    my @hosts;
+    foreach my $h (@{ $src }) {
+        if ($h->{name} =~ /^(\d{1,3}\.\d{1,3}\.\d{1,3}\.)(\d{1,3})-(\d{1,3})/) {
+            for ($2..$3) {
+                my %cur_host;
+                foreach my $k (keys %{ $h }) {
+                    $cur_host{$k} = $h->{$k};
+                }
+                $cur_host{name} = $1 . $_;
+                if (! grep { $cur_host{name} eq $h->{name} } @hosts) {
+                    push @hosts, \%cur_host;
+                }
+            }
+        } else {
+            push @hosts, $h;
+        }
+    }
+
+    return \@hosts;
+}
+
+package Mylogger;
+
+use Fcntl ':flock'; # import LOCK_* constants
+#use YAML;
+use constant LOG_PRINT => 128;
+use constant LOG_SAVE  =>  64;
+
+DESTROY {
+    my $self = shift;
+    if ($self->{'MYLOG'}) {
+        $self->p("Closing log ($self->{'log_path'}/$self->{'log_file'})");
+        close $self->{'MYLOG'};
+    }
+}
+
+sub new {
+    my $package = shift;
+    my $self = shift || {};
+
+    $self->{'base_path'}  ||= '.';
+    $self->{'log_path'}   ||= $self->{'base_path'};
+    $self->{'log_prefix'} ||= 'LOG';
+    $self->{'log_file'}   ||= GetLogName(
+        $self->{'log_prefix'}, 
+        $self->{'log_path'}
+    );
+    bless $self, $package;
+}
+
+sub s
+{
+    my $self = shift;
+    my $m = shift;
+    return $self->mylog($m, LOG_SAVE);
+}
+
+sub p
+{
+    my $self = shift;
+    my $m = shift;
+    return $self->mylog($m, LOG_PRINT);
+}
+
+sub sp
+{
+    my $self = shift;
+    my $m = shift;
+    return $self->mylog($m, LOG_SAVE | LOG_PRINT);
+}
+
+sub mylog
+{
+    my $self = shift;
+
+    my $thing = shift;
+    chomp $thing;
+
+    my $which = shift;
+
+    my $MYLOG;
+    if ($which & LOG_PRINT) {
+        print $thing, "\n";
+    }
+
+    if ($which & LOG_SAVE) {
+        if ($self->{'MYLOG'}) {
+            $MYLOG = $self->{'MYLOG'};
+        } else {
+            unless ($MYLOG) {
+                open ($MYLOG, '>>', $self->{'log_path'} . '/' . 
+                    $self->{'log_file'}) or die "Couldn't open logfile!\n";
+                my $ofh = select $MYLOG;
+                $|=1;
+                select $ofh;
+                $self->{'MYLOG'} = $MYLOG;
+
+                $self->p("Opened log ($self->{'log_path'}/$self->{'log_file'})");
+            }
+        }
+        flock($MYLOG, LOCK_EX);
+        print $MYLOG (scalar gmtime), "\t", $thing, "\n" 
+            or die "Couldn't print to MYLOG: $!";
+        flock($MYLOG, LOCK_UN);
+    }
+}
+
+sub GetLogName
+{
+    my $prefix  = shift || die "Invalid prefix passed for log";
+
+    my $logdate = GetLogDate();
+    my $logver  = 0;
+    my $logname;
+
+    do {
+        $logname = $prefix . $logdate . sprintf("%02d", $logver) . '.log';
+        $logver++;
+    } until (not -e $logname);
+
+    return $logname;
+}
+
+sub GetLogDate
+{
+    my ($sec,$min,$hour,$mday,$mon,$year,,,) = localtime();
+
+    $mon++;
+    $year += 1900;
+
+    if ($min  < 10) { $min  = "0$min"  }
+    if ($sec  < 10) { $sec  = "0$sec"  }
+    if ($hour < 10) { $hour = "0$hour" }
+    if ($mday < 10) { $mday = "0$mday" }
+    if ($mon  < 10) { $mon  = "0$mon"  }
+
+    my $time = $year . $mon . $mday;
+
+    return $time;
+}