X-Git-Url: http://dxcluster.net/gitweb/gitweb.cgi?a=blobdiff_plain;f=perl%2FDXChannel.pm;h=127f3a0604665e6631784dbc8a871253f72cfb95;hb=0148e301a41d89c154254a457f7d79334eea9442;hp=519a0b48860e093aa102df570720dcf7a2cd456a;hpb=21e7642d216656c60b164d76208633a0c81cf5db;p=spider.git

diff --git a/perl/DXChannel.pm b/perl/DXChannel.pm
index 519a0b48..127f3a06 100644
--- a/perl/DXChannel.pm
+++ b/perl/DXChannel.pm
@@ -4,7 +4,7 @@
 # This is the base class for all channel operations, which is everything to do 
 # with input and output really.
 #
-# The instance variable in the outside world will be generally be called $dxchann
+# The instance variable in the outside world will be generally be called $dxchan
 #
 # This class is 'inherited' (if that is the goobledegook for what I am doing)
 # by various other modules. The point to understand is that the 'instance variable'
@@ -17,174 +17,516 @@
 #
 # PLEASE NOTE - I am a C programmer using this as a method of learning perl
 # firstly and OO about ninthly (if you don't like the design and you can't 
-# improve it with better OO by make it smaller and more efficient, then tough). 
+# improve it with better OO and thus make it smaller and more efficient, then tough). 
 #
-# Copyright (c) 1998 - Dirk Koopman G1TLH
+# Copyright (c) 1998-2000 - Dirk Koopman G1TLH
 #
 # $Id$
 #
 package DXChannel;
 
 use Msg;
-use DXUtil;
 use DXM;
+use DXUtil;
+use DXVars;
 use DXDebug;
-use Carp;
+use Filter;
+use Prefix;
+use Route;
 
 use strict;
+use vars qw(%channels %valid @ISA $count);
+
+%channels = ();
+$count = 0;
 
-my %channels = undef;
-
-my %valid = (
-  call => '0,Callsign',
-  conn => '9,Msg Conn ref',
-  user => '9,DXUser ref',
-  startt => '0,Start Time,atime',
-  t => '9,Time,atime',
-  pc50_t => '9,Last PC50 Time,atime',
-  priv => '9,Privilege',
-  state => '0,Current State',
-  oldstate => '5,Last State',
-  list => '9,Dep Chan List',
-  name => '0,User Name',
-  consort => '9,Connection Type',
-  sort => '9,Type of Channel',
-  wwv => '0,Want WWV,yesno',
-  talk => '0,Want Talk,yesno',
-  ann => '0,Want Announce,yesno',
-  here => '0,Here?,yesno',
-  confmode => '0,In Conference?,yesno',
-  dx => '0,DX Spots,yesno',
-);
+%valid = (
+		  call => '0,Callsign',
+		  conn => '9,Msg Conn ref',
+		  user => '9,DXUser ref',
+		  startt => '0,Start Time,atime',
+		  t => '9,Time,atime',
+		  pc50_t => '5,Last PC50 Time,atime',
+		  priv => '9,Privilege',
+		  state => '0,Current State',
+		  oldstate => '5,Last State',
+		  list => '9,Dep Chan List',
+		  name => '0,User Name',
+		  consort => '5,Connection Type',
+		  'sort' => '5,Type of Channel',
+		  wwv => '0,Want WWV,yesno',
+		  wcy => '0,Want WCY,yesno',
+		  wx => '0,Want WX,yesno',
+		  talk => '0,Want Talk,yesno',
+		  ann => '0,Want Announce,yesno',
+		  here => '0,Here?,yesno',
+		  conf => '0,In Conference?,yesno',
+		  dx => '0,DX Spots,yesno',
+		  redirect => '0,Redirect messages to',
+		  lang => '0,Language',
+		  func => '5,Function',
+		  loc => '9,Local Vars', # used by func to store local variables in
+		  beep => '0,Want Beeps,yesno',
+		  lastread => '5,Last Msg Read',
+		  outbound => '5,outbound?,yesno',
+		  remotecmd => '9,doing rcmd,yesno',
+		  pagelth => '0,Page Length',
+		  pagedata => '9,Page Data Store',
+		  group => '0,Access Group,parray',	# used to create a group of users/nodes for some purpose or other
+		  isolate => '5,Isolate network,yesno',
+		  delayed => '5,Delayed messages,parray',
+		  annfilter => '5,Ann Filt-out',
+		  wwvfilter => '5,WWV Filt-out',
+		  wcyfilter => '5,WCY Filt-out',
+		  spotsfilter => '5,Spot Filt-out',
+		  routefilter => '5,Route Filt-out',
+		  inannfilter => '5,Ann Filt-inp',
+		  inwwvfilter => '5,WWV Filt-inp',
+		  inwcyfilter => '5,WCY Filt-inp',
+		  inspotsfilter => '5,Spot Filt-inp',
+		  inroutefilter => '5,Route Filt-inp',
+		  passwd => '9,Passwd List,yesno',
+		  pingint => '5,Ping Interval ',
+		  nopings => '5,Ping Obs Count',
+		  lastping => '5,Ping last sent,atime',
+		  pingtime => '5,Ping totaltime,parray',
+		  pingave => '0,Ping ave time',
+		  logininfo => '9,Login info req,yesno',
+		  talklist => '0,Talk List,parray',
+		  cluster => '5,Cluster data',
+		  isbasic => '9,Internal Connection', 
+		  errors => '9,Errors',
+		  route => '9,Route Data',
+		  dxcc => '0,Country Code',
+		  itu => '0,ITU Zone',
+		  cq => '0,CQ Zone',
+		  enhanced => '5,Enhanced Client,yesno',
+		  senddbg => '8,Sending Debug,yesno',
+		  width => '0,Column Width',
+		  disconnecting => '9,Disconnecting,yesno',
+		  ann_talk => '0,Suppress Talk Anns,yesno',
+		  metric => '1,Route metric',
+		  badcount => '1,Bad Word Count',
+		  edit => '7,Edit Function',
+		  registered => '9,Registered?,yesno',
+		  prompt => '0,Required Prompt',
+		  version => '1,Node Version',
+		  build => '1,Node Build',
+		  verified => '9,Verified?,yesno',
+		  newroute => '1,New Style Routing,yesno',
+		  ve7cc => '0,VE7CC program special,yesno',
+		  lastmsgpoll => '0,Last Msg Poll,atime',
+		  inscript => '9,In a script,yesno',
+		  handle_xml => '9,Handles XML,yesno',
+		  inqueue => '9,Input Queue,parray',
+		 );
+
+use vars qw($VERSION $BRANCH);
+$VERSION = sprintf( "%d.%03d", q$Revision$ =~ /(\d+)\.(\d+)/ );
+$BRANCH = sprintf( "%d.%03d", q$Revision$ =~ /\d+\.\d+\.(\d+)\.(\d+)/  || (0,0));
+$main::build += $VERSION;
+$main::branch += $BRANCH;
+
+# object destruction
+sub DESTROY
+{
+	my $self = shift;
+	for (keys %$self) {
+		if (ref($self->{$_})) {
+			delete $self->{$_};
+		}
+	}
+	dbg("DXChannel $self->{call} destroyed ($count)") if isdbg('chan');
+	$count--;
+}
 
 # create a new channel object [$obj = DXChannel->new($call, $msg_conn_obj, $user_obj)]
 sub alloc
 {
-  my ($pkg, $call, $conn, $user) = @_;
-  my $self = {};
+	my ($pkg, $call, $conn, $user) = @_;
+	my $self = {};
   
-  die "trying to create a duplicate channel for $call" if $channels{$call};
-  $self->{call} = $call;
-  $self->{conn} = $conn if defined $conn;   # if this isn't defined then it must be a list
-  $self->{user} = $user if defined $user; 
-  $self->{startt} = $self->{t} = time;
-  $self->{state} = 0;
-  $self->{oldstate} = 0;
-  bless $self, $pkg; 
-  return $channels{$call} = $self;
-}
-
-# obtain a channel object by callsign [$obj = DXChannel->get($call)]
+	die "trying to create a duplicate channel for $call" if $channels{$call};
+	$self->{call} = $call;
+	$self->{priv} = 0;
+	$self->{conn} = $conn if defined $conn;	# if this isn't defined then it must be a list
+	if (defined $user) {
+		$self->{user} = $user;
+		$self->{lang} = $user->lang;
+		$user->new_group unless $user->group;
+		$user->new_buddies unless $user->buddies;
+		$self->{group} = $user->group;
+		$self->{sort} = $user->sort;
+	}
+	$self->{startt} = $self->{t} = time;
+	$self->{state} = 0;
+	$self->{oldstate} = 0;
+	$self->{lang} = $main::lang if !$self->{lang};
+	$self->{func} = "";
+
+	# add in all the dxcc, itu, zone info
+	my @dxcc = Prefix::extract($call);
+	if (@dxcc > 0) {
+		$self->{dxcc} = $dxcc[1]->dxcc;
+		$self->{itu} = $dxcc[1]->itu;
+		$self->{cq} = $dxcc[1]->cq;						
+	}
+	$self->{inqueue} = [];
+
+	$count++;
+	dbg("DXChannel $self->{call} created ($count)") if isdbg('chan');
+	bless $self, $pkg; 
+	return $channels{$call} = $self;
+}
+
+# rebless this channel as something else
+sub rebless
+{
+	my $self = shift;
+	my $class = shift;
+	return $channels{$self->{call}} = bless $self, $class;
+}
+
+sub rec	
+{
+	my ($self, $msg) = @_;
+	
+	# queue the message and the channel object for later processing
+	if (defined $msg) {
+		push @{$self->{inqueue}}, $msg;
+	}
+}
+
+# obtain a channel object by callsign [$obj = DXChannel::get($call)]
 sub get
 {
-  my ($pkg, $call) = @_;
-  return $channels{$call};
+	my $call = shift;
+	return $channels{$call};
 }
 
 # obtain all the channel objects
 sub get_all
 {
-  my ($pkg) = @_;
-  return values(%channels);
+	return values(%channels);
+}
+
+#
+# gimme all the ak1a nodes
+#
+sub get_all_nodes
+{
+	my $ref;
+	my @out;
+	foreach $ref (values %channels) {
+		push @out, $ref if $ref->is_node;
+	}
+	return @out;
+}
+
+# return a list of all users
+sub get_all_users
+{
+	my $ref;
+	my @out;
+	foreach $ref (values %channels) {
+		push @out, $ref if $ref->is_user;
+	}
+	return @out;
+}
+
+# return a list of all user callsigns
+sub get_all_user_calls
+{
+	my $ref;
+	my @out;
+	foreach $ref (values %channels) {
+		push @out, $ref->{call} if $ref->is_user;
+	}
+	return @out;
 }
 
 # obtain a channel object by searching for its connection reference
 sub get_by_cnum
 {
-  my ($pkg, $conn) = @_;
-  my $self;
+	my ($pkg, $conn) = @_;
+	my $self;
   
-  foreach $self (values(%channels)) {
-    return $self if ($self->{conn} == $conn);
-  }
-  return undef;
+	foreach $self (values(%channels)) {
+		return $self if ($self->{conn} == $conn);
+	}
+	return undef;
 }
 
 # get rid of a channel object [$obj->del()]
 sub del
 {
-  my $self = shift;
-  delete $channels{$self->{call}};
+	my $self = shift;
+
+	$self->{group} = undef;		# belt and braces
+	delete $channels{$self->{call}};
+}
+
+# is it a bbs
+sub is_bbs
+{
+	my $self = shift;
+	return $self->{'sort'} eq 'B';
 }
 
-# is it an ak1a cluster ?
+sub is_node
+{
+	my $self = shift;
+	return $self->{'sort'} =~ /[ACRSXW]/;
+}
+# is it an ak1a node ?
 sub is_ak1a
 {
-  my $self = shift;
-  return $self->{sort} eq 'A';
+	my $self = shift;
+	return $self->{'sort'} eq 'A';
 }
 
 # is it a user?
 sub is_user
 {
-  my $self = shift;
-  return $self->{sort} eq 'U';
+	my $self = shift;
+	return $self->{'sort'} eq 'U';
+}
+
+# is it a clx node
+sub is_clx
+{
+	my $self = shift;
+	return $self->{'sort'} eq 'C';
+}
+
+# it is Aranea
+sub is_aranea
+{
+	my $self = shift;
+	return $self->{'sort'} eq 'W';
+}
+
+# is it a spider node
+sub is_spider
+{
+	my $self = shift;
+	return $self->{'sort'} eq 'S';
+}
+
+# is it a DXNet node
+sub is_dxnet
+{
+	my $self = shift;
+	return $self->{'sort'} eq 'X';
+}
+
+# is it a ar-cluster node
+sub is_arcluster
+{
+	my $self = shift;
+	return $self->{'sort'} eq 'R';
+}
+
+# for perl 5.004's benefit
+sub sort
+{
+	my $self = shift;
+	return @_ ? $self->{'sort'} = shift : $self->{'sort'} ;
+}
+
+# find out whether we are prepared to believe this callsign on this interface
+sub is_believed
+{
+	my $self = shift;
+	my $call = shift;
+	
+	return grep $call eq $_, $self->user->believe;
 }
 
 # handle out going messages, immediately without waiting for the select to drop
 # this could, in theory, block
 sub send_now
 {
-  my $self = shift;
-  my $conn = $self->{conn};
-  my $sort = shift;
-  my $call = $self->{call};
-  my $line;
+	my $self = shift;
+	my $conn = $self->{conn};
+	return unless $conn;
+	my $sort = shift;
+	my $call = $self->{call};
+	
+	for (@_) {
+#		chomp;
+        my @lines = split /\n/;
+		for (@lines) {
+			$conn->send_now("$sort$call|$_");
+			dbg("-> $sort $call $_") if isdbg('chan');
+		}
+	}
+	$self->{t} = time;
+}
+
+#
+# send later with letter (more control)
+#
+
+sub send_later
+{
+	my $self = shift;
+	my $conn = $self->{conn};
+	return unless $conn;
+	my $sort = shift;
+	my $call = $self->{call};
 	
-  foreach $line (@_) {
-    chomp $line;
-	dbg('chan', "-> $sort $call $line\n") if $conn;
-	$conn->send_now("$sort$call|$line") if $conn;
-  }
-  $self->{t} = time;
+	for (@_) {
+#		chomp;
+        my @lines = split /\n/;
+		for (@lines) {
+			$conn->send_later("$sort$call|$_");
+			dbg("-> $sort $call $_") if isdbg('chan');
+		}
+	}
+	$self->{t} = time;
 }
 
 #
 # the normal output routine
 #
-sub send              # this is always later and always data
+sub send						# this is always later and always data
 {
-  my $self = shift;
-  my $conn = $self->{conn};
-  my $call = $self->{call};
-  my $line;
+	my $self = shift;
+	my $conn = $self->{conn};
+	return unless $conn;
+	my $call = $self->{call};
 
-  foreach $line (@_) {
-    chomp $line;
-	dbg('chan', "-> D $call $line\n") if $conn;
-	$conn->send_later("D$call|$line") if $conn;
-  }
-  $self->{t} = time;
+	foreach my $l (@_) {
+		for (ref $l ? @$l : $l) {
+			my @lines = split /\n/;
+			for (@lines) {
+				$conn->send_later("D$call|$_");
+				dbg("-> D $call $_") if isdbg('chan');
+			}
+		}
+	}
+	$self->{t} = $main::systime;
 }
 
 # send a file (always later)
 sub send_file
 {
-  my ($self, $fn) = @_;
-  my $call = $self->{call};
-  my $conn = $self->{conn};
-  my @buf;
+	my ($self, $fn) = @_;
+	my $call = $self->{call};
+	my $conn = $self->{conn};
+	my @buf;
   
-  open(F, $fn) or die "can't open $fn for sending file ($!)";
-  @buf = <F>;
-  close(F);
-  $self->send(@buf);
+	open(F, $fn) or die "can't open $fn for sending file ($!)";
+	@buf = <F>;
+	close(F);
+	$self->send(@buf);
 }
 
-# just a shortcut for $dxchan->send(msg(...));
+# this will implement language independence (in time)
 sub msg
 {
-  my $self = shift;
-  $self->send(DXM::msg(@_));
+	my $self = shift;
+	return DXM::msg($self->{lang}, @_);
+}
+
+# stick a broadcast on the delayed queue (but only up to 20 items)
+sub delay
+{
+	my $self = shift;
+	my $s = shift;
+	
+	$self->{delayed} = [] unless $self->{delayed};
+	push @{$self->{delayed}}, $s;
+	if (@{$self->{delayed}} >= 20) {
+		shift @{$self->{delayed}};   # lose oldest one
+	}
 }
 
 # change the state of the channel - lots of scope for debugging here :-)
 sub state
 {
-  my $self = shift;
-  $self->{oldstate} = $self->{state};
-  $self->{state} = shift;
-  dbg('state', "$self->{call} channel state $self->{oldstate} -> $self->{state}\n");
+	my $self = shift;
+	if (@_) {
+		$self->{oldstate} = $self->{state};
+		$self->{state} = shift;
+		$self->{func} = '' unless defined $self->{func};
+		dbg("$self->{call} channel func $self->{func} state $self->{oldstate} -> $self->{state}\n") if isdbg('state');
+
+		# if there is any queued up broadcasts then splurge them out here
+		if ($self->{delayed} && ($self->{state} eq 'prompt' || $self->{state} eq 'talk')) {
+			$self->send (@{$self->{delayed}});
+			delete $self->{delayed};
+		}
+	}
+	return $self->{state};
+}
+
+# disconnect this channel
+sub disconnect
+{
+	my $self = shift;
+	my $user = $self->{user};
+	
+	$user->close() if defined $user;
+	$self->{conn}->disconnect;
+	$self->del();
+}
+
+#
+# just close all the socket connections down without any fiddling about, cleaning, being
+# nice to other processes and otherwise telling them what is going on.
+#
+# This is for the benefit of forked processes to prepare for starting new programs, they
+# don't want or need all this baggage.
+#
+
+sub closeall
+{
+	my $ref;
+	foreach $ref (values %channels) {
+		$ref->{conn}->disconnect() if $ref->{conn};
+	}
+}
+
+#
+# Tell all the users that we have come in or out (if they want to know)
+#
+sub tell_login
+{
+	my ($self, $m, $call) = @_;
+	
+	$call ||= $self->{call};
+	
+	# send info to all logged in thingies
+	my @dxchan = get_all_users();
+	my $dxchan;
+	foreach $dxchan (@dxchan) {
+		next if $dxchan == $self;
+		next if $dxchan->{call} eq $main::mycall;
+		$dxchan->send($dxchan->msg($m, $call)) if $dxchan->{logininfo};
+	}
+}
+
+#
+# Tell all the users if a buddy is logged or out
+#
+sub tell_buddies
+{
+	my ($self, $m, $call, $node) = @_;
+	
+	$call ||= $self->{call};
+	$call =~ s/-\d+$//;
+	$m .= 'n' if $node;
+	
+	# send info to all logged in thingies
+	my @dxchan = get_all_users();
+	my $dxchan;
+	foreach $dxchan (@dxchan) {
+		next if $dxchan == $self;
+		next if $dxchan->{call} eq $main::mycall;
+		$dxchan->send($dxchan->msg($m, $call, $node)) if grep $_ eq $call, @{$dxchan->{user}->{buddies}} ;
+	}
 }
 
 # various access routines
@@ -195,7 +537,7 @@ sub state
 
 sub fields
 {
-  return keys(%valid);
+	return keys(%valid);
 }
 
 #
@@ -204,21 +546,200 @@ sub fields
 
 sub field_prompt
 { 
-  my ($self, $ele) = @_;
-  return $valid{$ele};
+	my ($self, $ele) = @_;
+	return $valid{$ele};
+}
+
+# take a standard input message and decode it into its standard parts
+sub decode_input
+{
+	my $dxchan = shift;
+	my $data = shift;
+	my ($sort, $call, $line) = $data =~ /^([A-Z])([A-Z0-9\-]{3,9})\|(.*)$/;
+
+	my $chcall = (ref $dxchan) ? $dxchan->call : "UN.KNOWN";
+	
+	# the above regexp must work
+	unless (defined $sort && defined $call && defined $line) {
+#		$data =~ s/([\x00-\x1f\x7f-\xff])/uc sprintf("%%%02x",ord($1))/eg;
+		dbg("DUFF Line on $chcall: $data");
+		return ();
+	}
+
+	if(ref($dxchan) && $call ne $chcall) {
+		dbg("DUFF Line come in for $call on wrong channel $chcall");
+		return();
+	}
+	
+	return ($sort, $call, $line);
+}
+
+sub rspfcheck
+{
+	my ($self, $flag, $node, $user) = @_;
+	my $nref = Route::Node::get($node);
+	my $dxchan = $nref->dxchan if $nref;
+	if ($nref && $dxchan) {
+	    if ($dxchan == $self) {
+			return 1 unless $user;
+			return 1 if $user eq $node;
+			my @users = $nref->users;
+			return 1 if @users == 0 || grep $user eq $_, @users;
+			dbg("RSPF: $user not on $node") if isdbg('chanerr');
+		} else {
+			dbg("RSPF: Shortest path for $node is " . $nref->dxchan->{call}) if isdbg('chanerr');
+		}
+	} else {
+		return 1 if $flag;
+		dbg("RSPF: required $node not found" ) if isdbg('chanerr');
+	}
+	return 0;
+}
+
+# broadcast a message to all clusters taking into account isolation
+# [except those mentioned after buffer]
+sub broadcast_nodes
+{
+	my $s = shift;				# the line to be rebroadcast
+	my @except = @_;			# to all channels EXCEPT these (dxchannel refs)
+	my @dxchan = get_all_nodes();
+	my $dxchan;
+	
+	# send it if it isn't the except list and isn't isolated and still has a hop count
+	foreach $dxchan (@dxchan) {
+		next if grep $dxchan == $_, @except;
+		next if $dxchan == $main::me;
+		
+		my $routeit = $dxchan->can('adjust_hops') ? $dxchan->adjust_hops($s) : $s;      # adjust its hop count by node name
+
+		$dxchan->send($routeit) unless $dxchan->{isolate} || !$routeit;
+	}
 }
 
-no strict;
+# broadcast a message to all clusters ignoring isolation
+# [except those mentioned after buffer]
+sub broadcast_all_nodes
+{
+	my $s = shift;				# the line to be rebroadcast
+	my @except = @_;			# to all channels EXCEPT these (dxchannel refs)
+	my @dxchan = get_all_nodes();
+	my $dxchan;
+	
+	# send it if it isn't the except list and isn't isolated and still has a hop count
+	foreach $dxchan (@dxchan) {
+		next if grep $dxchan == $_, @except;
+		next if $dxchan == $main::me;
+
+		my $routeit = $dxchan->can('adjust_hops') ? $dxchan->adjust_hops($s) : $s;      # adjust its hop count by node name
+		$dxchan->send($routeit);
+	}
+}
+
+# broadcast to all users
+# storing the spot or whatever until it is in a state to receive it
+sub broadcast_users
+{
+	my $s = shift;				# the line to be rebroadcast
+	my $sort = shift;           # the type of transmission
+	my $fref = shift;           # a reference to an object to filter on
+	my @except = @_;			# to all channels EXCEPT these (dxchannel refs)
+	my @dxchan = get_all_users();
+	my $dxchan;
+	my @out;
+	
+	foreach $dxchan (@dxchan) {
+		next if grep $dxchan == $_, @except;
+		push @out, $dxchan;
+	}
+	broadcast_list($s, $sort, $fref, @out);
+}
+
+
+# broadcast to a list of users
+sub broadcast_list
+{
+	my $s = shift;
+	my $sort = shift;
+	my $fref = shift;
+	my $dxchan;
+	
+	foreach $dxchan (@_) {
+		my $filter = 1;
+		next if $dxchan == $main::me;
+		
+		if ($sort eq 'dx') {
+		    next unless $dxchan->{dx};
+			($filter) = $dxchan->{spotsfilter}->it(@{$fref}) if ref $fref;
+			next unless $filter;
+		}
+		next if $sort eq 'ann' && !$dxchan->{ann} && $s !~ /^To\s+LOCAL\s+de\s+(?:$main::myalias|$main::mycall)/i;
+		next if $sort eq 'wwv' && !$dxchan->{wwv};
+		next if $sort eq 'wcy' && !$dxchan->{wcy};
+		next if $sort eq 'wx' && !$dxchan->{wx};
+
+		$s =~ s/\a//og unless $dxchan->{beep};
+
+		if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'talk') {
+			$dxchan->send($s);	
+		} else {
+			$dxchan->delay($s);
+		}
+	}
+}
+
+sub process
+{
+	foreach my $dxchan (get_all()) {
+
+		while (my $data = shift @{$dxchan->{inqueue}}) {
+			my ($sort, $call, $line) = $dxchan->decode_input($data);
+			next unless defined $sort;
+
+			# do the really sexy console interface bit! (Who is going to do the TK interface then?)
+			dbg("<- $sort $call $line") if $sort ne 'D' && isdbg('chan');
+			if ($dxchan->{disconnecting}) {
+				dbg('In disconnection, ignored');
+				next;
+			}
+
+			# handle A records
+			my $user = $dxchan->user;
+			if ($sort eq 'A' || $sort eq 'O') {
+				$dxchan->start($line, $sort);
+			} elsif ($sort eq 'I') {
+				die "\$user not defined for $call" if !defined $user;
+			
+				# normal input
+				$dxchan->normal($line);
+			} elsif ($sort eq 'Z') {
+				$dxchan->disconnect;
+			} elsif ($sort eq 'D') {
+				;				# ignored (an echo)
+			} elsif ($sort eq 'G') {
+				$dxchan->enhanced($line);
+			} else {
+				print STDERR atime, " Unknown command letter ($sort) received from $call\n";
+			}
+		}
+	}
+}
+
+#no strict;
 sub AUTOLOAD
 {
-  my $self = shift;
-  my $name = $AUTOLOAD;
-  return if $name =~ /::DESTROY$/;
-  $name =~ s/.*:://o;
+	no strict;
+	my $name = $AUTOLOAD;
+	return if $name =~ /::DESTROY$/;
+	$name =~ s/^.*:://o;
   
-  confess "Non-existant field '$AUTOLOAD'" if !$valid{$name};
-  @_ ? $self->{$name} = shift : $self->{$name} ;
+	confess "Non-existant field '$AUTOLOAD'" if !$valid{$name};
+
+	# this clever line of code creates a subroutine which takes over from autoload
+	# from OO Perl - Conway
+	*$AUTOLOAD = sub {@_ > 1 ? $_[0]->{$name} = $_[1] : $_[0]->{$name}};
+	goto &$AUTOLOAD;
 }
 
+
 1;
 __END__;