# 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'
# firstly and OO about ninthly (if you don't like the design and you can't
# improve it with better OO and thus make it smaller and more efficient, then tough).
#
-# Copyright (c) 1998-2000 - Dirk Koopman G1TLH
+# Copyright (c) 1998-2016 - Dirk Koopman G1TLH
+#
#
-# $Id$
#
package DXChannel;
use Msg;
use DXM;
use DXUtil;
+use DXVars;
use DXDebug;
use Filter;
+use Prefix;
+use Route;
use strict;
-use vars qw(%channels %valid);
+use vars qw(%channels %valid @ISA $count $maxerrors);
%channels = ();
+$count = 0;
%valid = (
+ 'sort' => '5,Type of Channel',
+ ann => '0,Want Announce,yesno',
+ ann_talk => '0,Suppress Talk Anns,yesno',
+ annfilter => '5,Ann Filt-out',
+ badcount => '1,Bad Word Count',
+ badip => '9,BAD IP address',
+ beep => '0,Want Beeps,yesno',
+ build => '1,Node Build',
call => '0,Callsign',
+ cluster => '5,Cluster data',
+ conf => '0,In Conference?,yesno',
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',
- confmode => '0,In Conference?,yesno',
+ cq => '0,CQ Zone',
+ delayed => '5,Delayed messages,parray',
+ disconnecting => '9,Disconnecting,yesno',
+ do_pc9x => '9,Handles PC9x,yesno',
dx => '0,DX Spots,yesno',
- redirect => '0,Redirect messages to',
- lang => '0,Language',
+ dxcc => '0,Country Code',
+ edit => '7,Edit Function',
+ enhanced => '5,Enhanced Client,yesno',
+ errors => '9,Errors',
func => '5,Function',
- loc => '9,Local Vars', # used by func to store local variables in
- beep => '0,Want Beeps,yesno',
+ group => '0,Access Group,parray', # used to create a group of users/nodes for some purpose or other.
+ gtk => '5,Using GTK,yesno',
+ handle_xml => '9,Handles XML,yesno',
+ here => '0,Here?,yesno',
+ hostname => '0,Hostname',
+ inannfilter => '5,Ann Filt-inp',
+ inpc92filter => '5,PC92 Route Filt-inp',
+ inqueue => '9,Input Queue,parray',
+ inrbnfilter => '5,RBN Filt-inp',
+ inroutefilter => '5,Route Filt-inp',
+ inscript => '9,In a script,yesno',
+ inspotsfilter => '5,Spot Filt-inp',
+ inwcyfilter => '5,WCY Filt-inp',
+ inwwvfilter => '5,WWV Filt-inp',
+ isbasic => '9,Internal Connection',
+ isolate => '5,Isolate network,yesno',
+ isslugged => '9,Still Slugged,yesno',
+ itu => '0,ITU Zone',
+ K => '9,Seen on PC92 K,yesno',
+ lang => '0,Language',
+ lastmsgpoll => '0,Last Msg Poll,atime',
+ lastping => '5,Ping last sent,atime',
lastread => '5,Last Msg Read',
+ list => '9,Dep Chan List',
+ loc => '9,Local Vars', # used by func to store local variables in
+ logininfo => '9,Login info req,yesno',
+ metric => '1,Route metric',
+ name => '0,User Name',
+ newroute => '1,New Style Routing,yesno',
+ next_pc92_keepalive => '9,Next PC92 KeepAlive,atime',
+ next_pc92_update => '9,Next PC92 Update,atime',
+ nopings => '5,Ping Obs Count',
+ oldstate => '5,Last State',
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,Announce Filter',
- wwvfilter => '5,WWV Filter',
- wcyfilter => '5,WCY Filter',
- spotfilter => '5,Spot Filter',
- inannfilter => '5,Input Ann Filter',
- inwwvfilter => '5,Input WWV Filter',
- inwcyfilter => '5,Input WCY Filter',
- inspotfilter => '5,Input Spot Filter',
- passwd => '9,Passwd List,parray',
+ pagelth => '0,Page Length',
+ passwd => '9,Passwd List,yesno',
+ pc50_t => '5,Last PC50 Time,atime',
+ pc92filter => '5,PC92 Route Filt-out',
+ pingave => '0,Ping ave time',
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',
+ priv => '9,Privilege',
+ prompt => '0,Required Prompt',
+ rbnfilter => '5,RBN Filt-out',
+ rbnseeme => '0,RBN See Me,yesno',
+ redirect => '0,Redirect messages to',
+ registered => '9,Registered?,yesno',
+ remotecmd => '9,doing rcmd,yesno',
+ route => '9,Route Data',
+ routefilter => '5,Route Filt-out',
+ senddbg => '8,Sending Debug,yesno',
+ sluggedpcs => '9,Slugged PCxx Queue,parray',
+ spotsfilter => '5,Spot Filt-out',
+ startt => '0,Start Time,atime',
+ state => '0,Current State',
+ t => '9,Time,atime',
+ talk => '0,Want Talk,yesno',
talklist => '0,Talk List,parray',
- cluster => '5,Cluster data',
+ user => '9,DXUser ref',
+ ve7cc => '0,VE7CC program special,yesno',
+ verified => '9,Verified?,yesno',
+ version => '1,Node Version',
+ wcy => '0,Want WCY,yesno',
+ wcyfilter => '5,WCY Filt-out',
+ width => '0,Column Width',
+ wwv => '0,Want WWV,yesno',
+ wwvfilter => '5,WWV Filt-out',
+ wx => '0,Want WX,yesno',
);
+$maxerrors = 5; # the maximum number of concurrent errors allowed before disconnection
+
# object destruction
sub DESTROY
{
my $self = shift;
- undef $self->{user};
- undef $self->{conn};
- undef $self->{loc};
- undef $self->{pagedata};
- undef $self->{group};
- undef $self->{delayed};
- undef $self->{annfilter};
- undef $self->{wwvfilter};
- undef $self->{spotfilter};
- undef $self->{inannfilter};
- undef $self->{inwwvfilter};
- undef $self->{inspotfilter};
- undef $self->{passwd};
- undef $self->{node};
+ for (keys %$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)]
if (defined $user) {
$self->{user} = $user;
$self->{lang} = $user->lang;
- $user->new_group() if !$user->group;
+ $user->new_group unless $user->group;
+ $user->new_buddies unless $user->buddies;
$self->{group} = $user->group;
$self->{sort} = $user->sort;
+ $self->{width} = $user->width;
}
- $self->{startt} = $self->{t} = time;
+ $self->{startt} = $self->{t} = $main::systime;
$self->{state} = 0;
$self->{oldstate} = 0;
$self->{lang} = $main::lang if !$self->{lang};
$self->{func} = "";
+ $self->{width} ||= 80;
+ $self->{_nospawn} = 0;
+
+ # add in all the dxcc, itu, zone info
+ my @dxcc = Prefix::extract($call);
+ if (@dxcc > 0) {
+ $self->{dxcc} = $dxcc[1]->dxcc;
+ $self->{itu} = $dxcc[1]->itu;
+ $self->{cq} = $dxcc[1]->cq;
+ }
+ $self->{inqueue} = [];
+
+ if ($conn) {
+ $self->{hostname} = $self->{conn}->peerhost;
+ $self->{sockhost} = $self->{conn}->sockhost;
+ }
+ $count++;
+ dbg("DXChannel $self->{call} created ($count)") if isdbg('chan');
bless $self, $pkg;
return $channels{$call} = $self;
}
-# obtain a channel object by callsign [$obj = DXChannel->get($call)]
+# count errors and disconnect if too many
+# this has to be here because it can come from rcmd (DXProt) as
+# well as DXCommandmode.
+sub _error_out
+{
+ my $self = shift;
+ my $e = shift;
+ if (++$self->{errors} > $maxerrors) {
+ $self->send($self->msg('e26'));
+ $self->disconnect;
+ return ();
+ } else {
+ return ($self->msg($e));
+ }
+}
+
+# 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;
+ }
+ $self->process_one;
+}
+
+# obtain a channel object by callsign [$obj = DXChannel::get($call)]
sub get
{
- my ($pkg, $call) = @_;
+ my $call = shift;
return $channels{$call};
}
# obtain all the channel objects
sub get_all
{
- my ($pkg) = @_;
return values(%channels);
}
return @out;
}
+# return a list of node calls
+sub get_all_node_calls
+{
+ my $ref;
+ my @out;
+ foreach $ref (values %channels) {
+ push @out, $ref->{call} if $ref->is_node;
+ }
+ return @out;
+}
+
# return a list of all users
sub get_all_users
{
# is it a bbs
sub is_bbs
{
- my $self = shift;
- return $self->{'sort'} eq 'B';
+ return $_[0]->{sort} eq 'B';
}
sub is_node
{
- my $self = shift;
- return $self->{'sort'} =~ /[ACRSX]/;
+ return $_[0]->{sort} =~ /^[ACRSX]$/;
}
# is it an ak1a node ?
sub is_ak1a
{
- my $self = shift;
- return $self->{'sort'} eq 'A';
+ return $_[0]->{sort} eq 'A';
}
# is it a user?
sub is_user
{
- my $self = shift;
- return $self->{'sort'} eq 'U';
+ return $_[0]->{sort} =~ /^[UW]$/;
}
# is it a clx node
sub is_clx
{
- my $self = shift;
- return $self->{'sort'} eq 'C';
+ return $_[0]->{sort} eq 'C';
+}
+
+# it is a Web connected user
+sub is_web
+{
+ return $_[0]->{sort} eq 'W';
}
# is it a spider node
sub is_spider
{
- my $self = shift;
- return $self->{'sort'} eq 'S';
+ return $_[0]->{sort} eq 'S';
}
# is it a DXNet node
sub is_dxnet
{
- my $self = shift;
- return $self->{'sort'} eq 'X';
+ return $_[0]->{sort} eq 'X';
}
# is it a ar-cluster node
sub is_arcluster
{
- my $self = shift;
- return $self->{'sort'} eq 'R';
+ return $_[0]->{sort} eq 'R';
+}
+
+sub is_rbn
+{
+ return $_[0]->{sort} eq 'N';
+}
+
+sub is_dslink
+{
+ return $_[0]->{sort} eq 'L';
}
# for perl 5.004's benefit
sub sort
{
my $self = shift;
- return @_ ? $self->{'sort'} = shift : $self->{'sort'} ;
+ 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
my @lines = split /\n/;
for (@lines) {
$conn->send_now("$sort$call|$_");
- dbg('chan', "-> $sort $call $_");
+ # debug log it, but not if it is a log message
+ dbg("-> $sort $call $_") if $sort ne 'L' && isdbg('chan');
}
}
$self->{t} = time;
}
#
-# the normal output routine
+# send later with letter (more control)
#
-sub send # this is always later and always data
+
+sub send_later
{
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) {
- $conn->send_later("D$call|$_");
- dbg('chan', "-> D $call $_");
+ $conn->send_later("$sort$call|$_");
+ # debug log it, but not if it is a log message
+ dbg("-> $sort $call $_") if $sort ne 'L' && isdbg('chan');
}
}
$self->{t} = time;
}
+#
+# the normal output routine
+#
+sub send # this is always later and always data
+{
+ my $self = shift;
+ my $conn = $self->{conn};
+ return unless $conn;
+ my $call = $self->{call};
+
+ 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
{
$self->{oldstate} = $self->{state};
$self->{state} = shift;
$self->{func} = '' unless defined $self->{func};
- dbg('state', "$self->{call} channel func $self->{func} state $self->{oldstate} -> $self->{state}\n");
+ dbg("$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')) {
{
my $self = shift;
my $user = $self->{user};
- my $conn = $self->{conn};
- my $call = $self->{call};
- $self->finish($conn);
- $user->close() if defined $user;
- $conn->disconnect() if $conn;
+ $user->close($self->{startt}, $self->{hostname}) if defined $user;
+ $self->{conn}->disconnect if $self->{conn};
$self->del();
}
#
sub tell_login
{
- my ($self, $m) = @_;
+ my ($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;
- $dxchan->send($dxchan->msg($m, $self->{call})) if $dxchan->{logininfo};
+ 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}} ;
}
}
{
my $dxchan = shift;
my $data = shift;
- my ($sort, $call, $line) = $data =~ /^([A-Z])([A-Z0-9\-]{3,9})\|(.*)$/;
+ my ($sort, $call, $line) = $data =~ /^([A-Z])(#?[A-Z0-9\/\-]{3,25})\|(.*)$/;
my $chcall = (ref $dxchan) ? $dxchan->call : "UN.KNOWN";
# the above regexp must work
- if (!defined $sort || !defined $call || !defined $line ||
- (ref $dxchan && $call ne $chcall)) {
- $data =~ s/([\x00-\x1f\x7f-\xff])/uc sprintf("%%%02x",ord($1))/eg;
- dbg('chan', "DUFF Line from $chcall: $data");
+ 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);
}
-no strict;
-sub AUTOLOAD
+# 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;
+ }
+}
+
+# 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 $dxchan->{spotsfilter} && 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_one
+{
+ my $self = shift;
+
+ while (my $data = shift @{$self->{inqueue}}) {
+ my ($sort, $call, $line) = $self->decode_input($data);
+ next unless defined $sort;
+
+ if ($sort ne 'D') {
+ if (isdbg('chan')) {
+ if (($self->is_rbn && isdbg('rbnchan')) || !$self->is_rbn) {
+ dbg("<- $sort $call $line") if isdbg('chan'); # you may think this is tautology, but it's needed get the correct label on the debug line
+ }
+ }
+ }
+
+ # handle A records
+ my $user = $self->user;
+ if ($sort eq 'I') {
+ die "\$user not defined for $call" unless defined $user;
+
+ # normal input
+ $self->normal($line);
+ } elsif ($sort eq 'G') {
+ $self->enhanced($line);
+ } elsif ($sort eq 'A' || $sort eq 'O' || $sort eq 'W') {
+ $self->start($line, $sort);
+ } elsif ($sort eq 'C') {
+ $self->width($line); # change number of columns
+ } elsif ($sort eq 'Z') {
+ $self->disconnect;
+ } elsif ($sort eq 'D') {
+ ; # ignored (an echo)
+ } else {
+ dbg atime . " DXChannel::process_one: Unknown command letter ($sort) received from $call\n";
+ }
+ }
+}
+
+sub process
+{
+ foreach my $dxchan (values %channels) {
+ next if $dxchan->{disconnecting};
+ $dxchan->process_one;
+ }
+}
+
+sub handle_xml
{
my $self = shift;
+ my $r = 0;
+
+ if (DXXml::available()) {
+ $r = $self->{handle_xml} || 0;
+ } else {
+ delete $self->{handle_xml} if exists $self->{handle_xml};
+ }
+ return $r;
+}
+
+sub error_handler
+{
+ my $self = shift;
+ my $error = shift || '';
+ dbg("$self->{call} ERROR '$error', closing") if isdbg('chan');
+ $self->{conn}->set_error(undef) if exists $self->{conn};
+ $self->disconnect(1);
+}
+
+sub refresh_user
+{
+ my $call = shift;
+ my $user = shift;
+ return unless $call && $user && ref $user;
+ my $self = DXChannel::get($call);
+ $self->{user} = $user;
+ return $user;
+}
+
+sub isregistered
+{
+ my $self = shift;
+
+ # the sysop is registered!
+ return 1 if $self->{call} eq $main::myalias || $self->{call} eq $main::mycall;
+
+ if ($main::reqreg) {
+ return $self->{registered};
+ } else {
+ return 1;
+ }
+}
+
+#no strict;
+sub AUTOLOAD
+{
+ no strict;
my $name = $AUTOLOAD;
return if $name =~ /::DESTROY$/;
- $name =~ s/.*:://o;
+ $name =~ s/^.*:://o;
confess "Non-existant field '$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}} ;
- @_ ? $self->{$name} = shift : $self->{$name} ;
+ *$AUTOLOAD = sub {@_ > 1 ? $_[0]->{$name} = $_[1] : $_[0]->{$name}};
+ goto &$AUTOLOAD;
}