2 # module to manage channel lists & data
4 # This is the base class for all channel operations, which is everything to do
5 # with input and output really.
7 # The instance variable in the outside world will be generally be called $dxchan
9 # This class is 'inherited' (if that is the goobledegook for what I am doing)
10 # by various other modules. The point to understand is that the 'instance variable'
11 # is in fact what normal people would call the state vector and all useful info
12 # about a connection goes in there.
14 # Another point to note is that a vector may contain a list of other vectors.
15 # I have simply added another variable to the vector for 'simplicity' (or laziness
16 # as it is more commonly called)
18 # PLEASE NOTE - I am a C programmer using this as a method of learning perl
19 # firstly and OO about ninthly (if you don't like the design and you can't
20 # improve it with better OO and thus make it smaller and more efficient, then tough).
22 # Copyright (c) 1998-2016 - Dirk Koopman G1TLH
38 use vars qw(%channels %valid @ISA $count $maxerrors);
45 conn => '9,Msg Conn ref',
46 user => '9,DXUser ref',
47 startt => '0,Start Time,atime',
49 pc50_t => '5,Last PC50 Time,atime',
50 priv => '9,Privilege',
51 state => '0,Current State',
52 oldstate => '5,Last State',
53 list => '9,Dep Chan List',
54 name => '0,User Name',
55 consort => '5,Connection Type',
56 'sort' => '5,Type of Channel',
57 wwv => '0,Want WWV,yesno',
58 wcy => '0,Want WCY,yesno',
59 wx => '0,Want WX,yesno',
60 talk => '0,Want Talk,yesno',
61 ann => '0,Want Announce,yesno',
62 here => '0,Here?,yesno',
63 conf => '0,In Conference?,yesno',
64 dx => '0,DX Spots,yesno',
65 redirect => '0,Redirect messages to',
68 loc => '9,Local Vars', # used by func to store local variables in
69 beep => '0,Want Beeps,yesno',
70 lastread => '5,Last Msg Read',
71 outbound => '5,outbound?,yesno',
72 remotecmd => '9,doing rcmd,yesno',
73 pagelth => '0,Page Length',
74 pagedata => '9,Page Data Store',
75 group => '0,Access Group,parray', # used to create a group of users/nodes for some purpose or other
76 isolate => '5,Isolate network,yesno',
77 delayed => '5,Delayed messages,parray',
78 annfilter => '5,Ann Filt-out',
79 wwvfilter => '5,WWV Filt-out',
80 wcyfilter => '5,WCY Filt-out',
81 spotsfilter => '5,Spot Filt-out',
82 routefilter => '5,Route Filt-out',
83 rbnfilter => '5,RBN Filt-out',
84 pc92filter => '5,PC92 Route Filt-out',
85 inannfilter => '5,Ann Filt-inp',
86 inwwvfilter => '5,WWV Filt-inp',
87 inwcyfilter => '5,WCY Filt-inp',
88 inspotsfilter => '5,Spot Filt-inp',
89 inroutefilter => '5,Route Filt-inp',
90 inrbnfilter => '5,RBN Filt-inp',
91 inpc92filter => '5,PC92 Route Filt-inp',
92 passwd => '9,Passwd List,yesno',
93 pingint => '5,Ping Interval ',
94 nopings => '5,Ping Obs Count',
95 lastping => '5,Ping last sent,atime',
96 pingtime => '5,Ping totaltime,parray',
97 pingave => '0,Ping ave time',
98 logininfo => '9,Login info req,yesno',
99 talklist => '0,Talk List,parray',
100 cluster => '5,Cluster data',
101 isbasic => '9,Internal Connection',
102 errors => '9,Errors',
103 route => '9,Route Data',
104 dxcc => '0,Country Code',
107 enhanced => '5,Enhanced Client,yesno',
108 gtk => '5,Using GTK,yesno',
109 senddbg => '8,Sending Debug,yesno',
110 width => '0,Column Width',
111 disconnecting => '9,Disconnecting,yesno',
112 ann_talk => '0,Suppress Talk Anns,yesno',
113 metric => '1,Route metric',
114 badcount => '1,Bad Word Count',
115 edit => '7,Edit Function',
116 registered => '9,Registered?,yesno',
117 prompt => '0,Required Prompt',
118 version => '1,Node Version',
119 build => '1,Node Build',
120 verified => '9,Verified?,yesno',
121 newroute => '1,New Style Routing,yesno',
122 ve7cc => '0,VE7CC program special,yesno',
123 lastmsgpoll => '0,Last Msg Poll,atime',
124 inscript => '9,In a script,yesno',
125 handle_xml => '9,Handles XML,yesno',
126 do_pc9x => '9,Handles PC9x,yesno',
127 inqueue => '9,Input Queue,parray',
128 next_pc92_update => '9,Next PC92 Update,atime',
129 next_pc92_keepalive => '9,Next PC92 KeepAlive,atime',
130 hostname => '0,Hostname',
131 isslugged => '9,Still Slugged,yesno',
132 sluggedpcs => '9,Slugged PCxx Queue,parray',
135 $maxerrors = 20; # the maximum number of concurrent errors allowed before disconnection
142 if (ref($self->{$_})) {
146 dbg("DXChannel $self->{call} destroyed ($count)") if isdbg('chan');
150 # create a new channel object [$obj = DXChannel->new($call, $msg_conn_obj, $user_obj)]
153 my ($pkg, $call, $conn, $user) = @_;
156 die "trying to create a duplicate channel for $call" if $channels{$call};
157 $self->{call} = $call;
159 $self->{conn} = $conn if defined $conn; # if this isn't defined then it must be a list
161 $self->{user} = $user;
162 $self->{lang} = $user->lang;
163 $user->new_group unless $user->group;
164 $user->new_buddies unless $user->buddies;
165 $self->{group} = $user->group;
166 $self->{sort} = $user->sort;
167 $self->{width} = $user->width;
169 $self->{startt} = $self->{t} = $main::systime;
171 $self->{oldstate} = 0;
172 $self->{lang} = $main::lang if !$self->{lang};
174 $self->{width} ||= 80;
176 # add in all the dxcc, itu, zone info
177 my @dxcc = Prefix::extract($call);
179 $self->{dxcc} = $dxcc[1]->dxcc;
180 $self->{itu} = $dxcc[1]->itu;
181 $self->{cq} = $dxcc[1]->cq;
183 $self->{inqueue} = [];
186 dbg("DXChannel $self->{call} created ($count)") if isdbg('chan');
188 return $channels{$call} = $self;
191 # count errors and disconnect if too many
192 # this has to be here because it can come from rcmd (DXProt) as
193 # well as DXCommandmode.
198 if (++$self->{errors} > $maxerrors) {
199 $self->send($self->msg('e26'));
203 return ($self->msg($e));
207 # rebless this channel as something else
212 return $channels{$self->{call}} = bless $self, $class;
217 my ($self, $msg) = @_;
219 # queue the message and the channel object for later processing
221 push @{$self->{inqueue}}, $msg;
226 # obtain a channel object by callsign [$obj = DXChannel::get($call)]
230 return $channels{$call};
233 # obtain all the channel objects
236 return values(%channels);
240 # gimme all the ak1a nodes
246 foreach $ref (values %channels) {
247 push @out, $ref if $ref->is_node;
252 # return a list of node calls
253 sub get_all_node_calls
257 foreach $ref (values %channels) {
258 push @out, $ref->{call} if $ref->is_node;
263 # return a list of all users
268 foreach $ref (values %channels) {
269 push @out, $ref if $ref->is_user;
274 # return a list of all user callsigns
275 sub get_all_user_calls
279 foreach $ref (values %channels) {
280 push @out, $ref->{call} if $ref->is_user;
285 # obtain a channel object by searching for its connection reference
288 my ($pkg, $conn) = @_;
291 foreach $self (values(%channels)) {
292 return $self if ($self->{conn} == $conn);
297 # get rid of a channel object [$obj->del()]
302 $self->{group} = undef; # belt and braces
303 delete $channels{$self->{call}};
309 return $_[0]->{sort} eq 'B';
314 return $_[0]->{sort} =~ /^[ACRSX]$/;
316 # is it an ak1a node ?
319 return $_[0]->{sort} eq 'A';
325 return $_[0]->{sort} =~ /^[UW]$/;
331 return $_[0]->{sort} eq 'C';
334 # it is a Web connected user
337 return $_[0]->{sort} eq 'W';
340 # is it a spider node
343 return $_[0]->{sort} eq 'S';
349 return $_[0]->{sort} eq 'X';
352 # is it a ar-cluster node
355 return $_[0]->{sort} eq 'R';
360 return $_[0]->{sort} eq 'N';
365 return $_[0]->{sort} eq 'L';
368 # for perl 5.004's benefit
372 return @_ ? $self->{sort} = shift : $self->{sort} ;
375 # find out whether we are prepared to believe this callsign on this interface
381 return grep $call eq $_, $self->user->believe;
384 # handle out going messages, immediately without waiting for the select to drop
385 # this could, in theory, block
389 my $conn = $self->{conn};
392 my $call = $self->{call};
396 my @lines = split /\n/;
398 $conn->send_now("$sort$call|$_");
399 # debug log it, but not if it is a log message
400 dbg("-> $sort $call $_") if $sort ne 'L' && isdbg('chan');
407 # send later with letter (more control)
413 my $conn = $self->{conn};
416 my $call = $self->{call};
420 my @lines = split /\n/;
422 $conn->send_later("$sort$call|$_");
423 # debug log it, but not if it is a log message
424 dbg("-> $sort $call $_") if $sort ne 'L' && isdbg('chan');
431 # the normal output routine
433 sub send # this is always later and always data
436 my $conn = $self->{conn};
438 my $call = $self->{call};
441 for (ref $l ? @$l : $l) {
442 my @lines = split /\n/;
444 $conn->send_later("D$call|$_");
445 dbg("-> D $call $_") if isdbg('chan');
449 $self->{t} = $main::systime;
452 # send a file (always later)
455 my ($self, $fn) = @_;
456 my $call = $self->{call};
457 my $conn = $self->{conn};
460 open(F, $fn) or die "can't open $fn for sending file ($!)";
466 # this will implement language independence (in time)
470 return DXM::msg($self->{lang}, @_);
473 # stick a broadcast on the delayed queue (but only up to 20 items)
479 $self->{delayed} = [] unless $self->{delayed};
480 push @{$self->{delayed}}, $s;
481 if (@{$self->{delayed}} >= 20) {
482 shift @{$self->{delayed}}; # lose oldest one
486 # change the state of the channel - lots of scope for debugging here :-)
491 $self->{oldstate} = $self->{state};
492 $self->{state} = shift;
493 $self->{func} = '' unless defined $self->{func};
494 dbg("$self->{call} channel func $self->{func} state $self->{oldstate} -> $self->{state}\n") if isdbg('state');
496 # if there is any queued up broadcasts then splurge them out here
497 if ($self->{delayed} && ($self->{state} eq 'prompt' || $self->{state} eq 'talk')) {
498 $self->send (@{$self->{delayed}});
499 delete $self->{delayed};
502 return $self->{state};
505 # disconnect this channel
509 my $user = $self->{user};
511 $user->close($self->{startt}, $self->{hostname}) if defined $user;
512 $self->{conn}->disconnect if $self->{conn};
517 # just close all the socket connections down without any fiddling about, cleaning, being
518 # nice to other processes and otherwise telling them what is going on.
520 # This is for the benefit of forked processes to prepare for starting new programs, they
521 # don't want or need all this baggage.
527 foreach $ref (values %channels) {
528 $ref->{conn}->disconnect() if $ref->{conn};
533 # Tell all the users that we have come in or out (if they want to know)
537 my ($self, $m, $call) = @_;
539 $call ||= $self->{call};
541 # send info to all logged in thingies
542 my @dxchan = get_all_users();
544 foreach $dxchan (@dxchan) {
545 next if $dxchan == $self;
546 next if $dxchan->{call} eq $main::mycall;
547 $dxchan->send($dxchan->msg($m, $call)) if $dxchan->{logininfo};
552 # Tell all the users if a buddy is logged or out
556 my ($self, $m, $call, $node) = @_;
558 $call ||= $self->{call};
562 # send info to all logged in thingies
563 my @dxchan = get_all_users();
565 foreach $dxchan (@dxchan) {
566 next if $dxchan == $self;
567 next if $dxchan->{call} eq $main::mycall;
568 $dxchan->send($dxchan->msg($m, $call, $node)) if grep $_ eq $call, @{$dxchan->{user}->{buddies}} ;
572 # various access routines
575 # return a list of valid elements
584 # return a prompt for a field
589 my ($self, $ele) = @_;
593 # take a standard input message and decode it into its standard parts
598 my ($sort, $call, $line) = $data =~ /^([A-Z])(#?[A-Z0-9\/\-]{3,25})\|(.*)$/;
600 my $chcall = (ref $dxchan) ? $dxchan->call : "UN.KNOWN";
602 # the above regexp must work
603 unless (defined $sort && defined $call && defined $line) {
604 # $data =~ s/([\x00-\x1f\x7f-\xff])/uc sprintf("%%%02x",ord($1))/eg;
605 dbg("DUFF Line on $chcall: $data");
609 if(ref($dxchan) && $call ne $chcall) {
610 dbg("DUFF Line come in for $call on wrong channel $chcall");
614 return ($sort, $call, $line);
617 # broadcast a message to all clusters taking into account isolation
618 # [except those mentioned after buffer]
621 my $s = shift; # the line to be rebroadcast
622 my @except = @_; # to all channels EXCEPT these (dxchannel refs)
623 my @dxchan = get_all_nodes();
626 # send it if it isn't the except list and isn't isolated and still has a hop count
627 foreach $dxchan (@dxchan) {
628 next if grep $dxchan == $_, @except;
629 next if $dxchan == $main::me;
631 my $routeit = $dxchan->can('adjust_hops') ? $dxchan->adjust_hops($s) : $s; # adjust its hop count by node name
633 $dxchan->send($routeit) unless $dxchan->{isolate} || !$routeit;
637 # broadcast a message to all clusters ignoring isolation
638 # [except those mentioned after buffer]
639 sub broadcast_all_nodes
641 my $s = shift; # the line to be rebroadcast
642 my @except = @_; # to all channels EXCEPT these (dxchannel refs)
643 my @dxchan = get_all_nodes();
646 # send it if it isn't the except list and isn't isolated and still has a hop count
647 foreach $dxchan (@dxchan) {
648 next if grep $dxchan == $_, @except;
649 next if $dxchan == $main::me;
651 my $routeit = $dxchan->can('adjust_hops') ? $dxchan->adjust_hops($s) : $s; # adjust its hop count by node name
652 $dxchan->send($routeit);
656 # broadcast to all users
657 # storing the spot or whatever until it is in a state to receive it
660 my $s = shift; # the line to be rebroadcast
661 my $sort = shift; # the type of transmission
662 my $fref = shift; # a reference to an object to filter on
663 my @except = @_; # to all channels EXCEPT these (dxchannel refs)
664 my @dxchan = get_all_users();
668 foreach $dxchan (@dxchan) {
669 next if grep $dxchan == $_, @except;
672 broadcast_list($s, $sort, $fref, @out);
676 # broadcast to a list of users
684 foreach $dxchan (@_) {
686 next if $dxchan == $main::me;
689 next unless $dxchan->{dx};
690 ($filter) = $dxchan->{spotsfilter}->it($fref) if $dxchan->{spotsfilter} && ref $fref;
693 next if $sort eq 'ann' && !$dxchan->{ann} && $s !~ /^To\s+LOCAL\s+de\s+(?:$main::myalias|$main::mycall)/i;
694 next if $sort eq 'wwv' && !$dxchan->{wwv};
695 next if $sort eq 'wcy' && !$dxchan->{wcy};
696 next if $sort eq 'wx' && !$dxchan->{wx};
698 $s =~ s/\a//og unless $dxchan->{beep};
700 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'talk') {
712 while (my $data = shift @{$self->{inqueue}}) {
713 my ($sort, $call, $line) = $self->decode_input($data);
714 next unless defined $sort;
716 # do the really sexy console interface bit! (Who is going to do the TK interface then?)
717 dbg("<- $sort $call $line") if $sort ne 'D' && isdbg('chan');
720 my $user = $self->user;
722 die "\$user not defined for $call" unless defined $user;
725 $self->normal($line);
726 } elsif ($sort eq 'G') {
727 $self->enhanced($line);
728 } elsif ($sort eq 'A' || $sort eq 'O' || $sort eq 'W') {
729 $self->start($line, $sort);
730 } elsif ($sort eq 'C') {
731 $self->width($line); # change number of columns
732 } elsif ($sort eq 'Z') {
734 } elsif ($sort eq 'D') {
735 ; # ignored (an echo)
737 dbg atime . " DXChannel::process_one: Unknown command letter ($sort) received from $call\n";
744 foreach my $dxchan (values %channels) {
745 next if $dxchan->{disconnecting};
746 $dxchan->process_one;
755 if (DXXml::available()) {
756 $r = $self->{handle_xml} || 0;
758 delete $self->{handle_xml} if exists $self->{handle_xml};
766 my $error = shift || '';
767 dbg("$self->{call} ERROR '$error', closing") if isdbg('chan');
768 $self->{conn}->set_error(undef) if exists $self->{conn};
769 $self->disconnect(1);
777 # the sysop is registered!
778 return 1 if $self->{call} eq $main::myalias || $self->{call} eq $main::mycall;
781 return $self->{registered};
791 my $name = $AUTOLOAD;
792 return if $name =~ /::DESTROY$/;
795 confess "Non-existant field '$AUTOLOAD'" if !$valid{$name};
797 # this clever line of code creates a subroutine which takes over from autoload
798 # from OO Perl - Conway
799 *$AUTOLOAD = sub {@_ > 1 ? $_[0]->{$name} = $_[1] : $_[0]->{$name}};