3 # This module impliments the message handling for a dx cluster
5 # Copyright (c) 1998 Dirk Koopman G1TLH
10 # Notes for implementors:-
12 # PC28 field 11 is the RR required flag
13 # PC28 field 12 is a VIA routing (ie it is a node call)
18 @ISA = qw(DXProt DXChannel);
33 use vars qw(%work @msg $msgdir %valid %busy $maxage $last_clean
34 @badmsg @swop $swopfn $badmsgfn $forwardfn @forward $timeout $waittime
35 $queueinterval $lastq $importfn $minchunk $maxchunk);
37 %work = (); # outstanding jobs
38 @msg = (); # messages we have
39 %busy = (); # station interlocks
40 $msgdir = "$main::root/msg"; # directory contain the msgs
41 $maxage = 30 * 86400; # the maximum age that a message shall live for if not marked
42 $last_clean = 0; # last time we did a clean
43 @forward = (); # msg forward table
44 @badmsg = (); # bad message table
45 @swop = (); # swop table
46 $timeout = 30*60; # forwarding timeout
47 $waittime = 30*60; # time an aborted outgoing message waits before trying again
48 $queueinterval = 1*60; # run the queue every 1 minute
51 $minchunk = 4800; # minimum chunk size for a split message
52 $maxchunk = 6000; # maximum chunk size
54 $badmsgfn = "$msgdir/badmsg.pl"; # list of TO address we wont store
55 $forwardfn = "$msgdir/forward.pl"; # the forwarding table
56 $swopfn = "$msgdir/swop.pl"; # the swopping table
57 $importfn = "$msgdir/import"; # import directory
61 fromnode => '5,From Node',
62 tonode => '5,To Node',
65 t => '0,Msg Time,cldatetime',
66 private => '5,Private',
67 subject => '0,Subject',
68 linesreq => '0,Lines per Gob',
69 rrreq => '5,Read Confirm',
72 stream => '9,Stream No',
73 count => '5,Gob Linecnt',
74 file => '5,File?,yesno',
75 gotit => '5,Got it Nodes,parray',
76 lines => '5,Lines,parray',
77 'read' => '5,Times read',
80 keep => '0,Keep this?,yesno',
81 lastt => '5,Last processed,cldatetime',
82 waitt => '5,Wait until,cldatetime',
92 # allocate a new object
93 # called fromnode, tonode, from, to, datetime, private?, subject, nolinesper
97 my $self = bless {}, $pkg;
98 $self->{msgno} = shift;
101 $self->{to} = ($to eq $main::mycall) ? $main::myalias : $to;
104 $self->{from} = uc $from;
106 $self->{private} = shift;
107 $self->{subject} = shift;
108 $self->{origin} = shift;
109 $self->{'read'} = shift;
110 $self->{rrreq} = shift;
112 $self->{lastt} = $main::systime;
120 delete $ref->{lines};
121 delete $ref->{linesreq};
122 delete $ref->{tonode};
123 delete $ref->{fromnode};
124 delete $ref->{stream};
125 delete $ref->{lines};
127 delete $ref->{count};
128 delete $ref->{lastt} if exists $ref->{lastt};
129 delete $ref->{waitt} if exists $ref->{waitt};
134 my ($self, $line) = @_;
136 # this is periodic processing
137 if (!$self || !$line) {
139 if ($main::systime > $lastq + $queueinterval) {
141 # wander down the work queue stopping any messages that have timed out
145 if (exists $ref->{lastt} && $main::systime >= $ref->{lastt} + $timeout) {
146 dbg('msg', "Timeout, stopping msgno: $ref->{msgno} -> $node");
147 $ref->stop_msg($node);
149 # delay any outgoing messages that fail
150 $ref->{waitt} = $main::systime + $waittime + rand(120) if $node ne $main::mycall;
154 # queue some message if the interval timer has gone off
157 # import any messages in the import directory
160 $lastq = $main::systime;
163 # clean the message queue
164 clean_old() if $main::systime - $last_clean > 3600 ;
168 my @f = split /\^/, $line;
169 my ($pcno) = $f[0] =~ /^PC(\d\d)/; # just get the number
172 if ($pcno == 28) { # incoming message
174 # first look for any messages in the busy queue
175 # and cancel them this should both resolve timed out incoming messages
176 # and crossing of message between nodes, incoming messages have priority
177 if (exists $busy{$f[2]}) {
178 my $ref = $busy{$f[2]};
179 my $tonode = $ref->{tonode};
180 dbg('msg', "Busy, stopping msgno: $ref->{msgno} -> $f[2]");
181 $ref->stop_msg($self->call);
184 my $t = cltounix($f[5], $f[6]);
185 my $stream = next_transno($f[2]);
186 my $ref = DXMsg->alloc($stream, uc $f[3], $f[4], $t, $f[7], $f[8], $f[13], '0', $f[11]);
188 # fill in various forwarding state variables
189 $ref->{fromnode} = $f[2];
190 $ref->{tonode} = $f[1];
191 $ref->{rrreq} = $f[11];
192 $ref->{linesreq} = $f[10];
193 $ref->{stream} = $stream;
194 $ref->{count} = 0; # no of lines between PC31s
195 dbg('msg', "new message from $f[4] to $f[3] '$f[8]' stream $stream\n");
196 Log('msg', "Incoming message $f[4] to $f[3] '$f[8]'" );
197 $work{"$f[2]$stream"} = $ref; # store in work
198 $busy{$f[2]} = $ref; # set interlock
199 $self->send(DXProt::pc30($f[2], $f[1], $stream)); # send ack
200 $ref->{lastt} = $main::systime;
202 # look to see whether this is a non private message sent to a known callsign
203 my $uref = DXUser->get_current($ref->{to});
204 if (iscallsign($ref->{to}) && !$ref->{private} && $uref && $uref->homenode) {
206 dbg('msg', "set bull to $ref->{to} to private");
211 if ($pcno == 29) { # incoming text
212 my $ref = $work{"$f[2]$f[3]"};
214 push @{$ref->{lines}}, $f[4];
216 if ($ref->{count} >= $ref->{linesreq}) {
217 $self->send(DXProt::pc31($f[2], $f[1], $f[3]));
218 dbg('msg', "stream $f[3]: $ref->{count} lines received\n");
221 $ref->{lastt} = $main::systime;
223 dbg('msg', "PC29 from unknown stream $f[3] from $f[2]" );
224 $self->send(DXProt::pc42($f[2], $f[1], $f[3])); # unknown stream
229 if ($pcno == 30) { # this is a incoming subject ack
230 my $ref = $work{$f[2]}; # note no stream at this stage
233 $ref->{stream} = $f[3];
235 $ref->{linesreq} = 5;
236 $work{"$f[2]$f[3]"} = $ref; # new ref
237 dbg('msg', "incoming subject ack stream $f[3]\n");
238 $busy{$f[2]} = $ref; # interlock
240 push @{$ref->{lines}}, ($ref->read_msg_body);
241 $ref->send_tranche($self);
242 $ref->{lastt} = $main::systime;
244 dbg('msg', "PC30 from unknown stream $f[3] from $f[2]" );
245 $self->send(DXProt::pc42($f[2], $f[1], $f[3])); # unknown stream
250 if ($pcno == 31) { # acknowledge a tranche of lines
251 my $ref = $work{"$f[2]$f[3]"};
253 dbg('msg', "tranche ack stream $f[3]\n");
254 $ref->send_tranche($self);
255 $ref->{lastt} = $main::systime;
257 dbg('msg', "PC31 from unknown stream $f[3] from $f[2]" );
258 $self->send(DXProt::pc42($f[2], $f[1], $f[3])); # unknown stream
263 if ($pcno == 32) { # incoming EOM
264 dbg('msg', "stream $f[3]: EOM received\n");
265 my $ref = $work{"$f[2]$f[3]"};
267 $self->send(DXProt::pc33($f[2], $f[1], $f[3])); # acknowledge it
269 # get the next msg no - note that this has NOTHING to do with the stream number in PC protocol
270 # store the file or message
271 # remove extraneous rubbish from the hash
272 # remove it from the work in progress vector
273 # stuff it on the msg queue
276 $ref->store($ref->{lines});
279 # does an identical message already exist?
282 if ($ref->{subject} eq $m->{subject} && $ref->{t} == $m->{t} && $ref->{from} eq $m->{from} && $ref->{to} eq $m->{to}) {
283 $ref->stop_msg($self->call);
284 my $msgno = $m->{msgno};
285 dbg('msg', "duplicate message from $ref->{from} -> $ref->{to} to $msgno");
286 Log('msg', "duplicate message from $ref->{from} -> $ref->{to} to $msgno");
292 $ref->swop_it($self->call);
294 # look for 'bad' to addresses
295 # if (grep $ref->{to} eq $_, @badmsg) {
296 if ($ref->dump_it($self->call)) {
297 $ref->stop_msg($self->call);
298 dbg('msg', "'Bad' message $ref->{to}");
299 Log('msg', "'Bad' message $ref->{to}");
303 $ref->{msgno} = next_transno("Msgno");
304 push @{$ref->{gotit}}, $f[2]; # mark this up as being received
305 $ref->store($ref->{lines});
307 my $dxchan = DXChannel->get($ref->{to});
308 $dxchan->send($dxchan->msg('m9')) if $dxchan && $dxchan->is_user;
309 Log('msg', "Message $ref->{msgno} from $ref->{from} received from $f[2] for $ref->{to}");
312 $ref->stop_msg($self->call);
314 dbg('msg', "PC32 from unknown stream $f[3] from $f[2]" );
315 $self->send(DXProt::pc42($f[2], $f[1], $f[3])); # unknown stream
321 if ($pcno == 33) { # acknowledge the end of message
322 my $ref = $work{"$f[2]$f[3]"};
324 if ($ref->{private}) { # remove it if it private and gone off site#
325 Log('msg', "Message $ref->{msgno} from $ref->{from} sent to $f[2] and deleted");
328 Log('msg', "Message $ref->{msgno} from $ref->{from} sent to $f[2]");
329 push @{$ref->{gotit}}, $f[2]; # mark this up as being received
330 $ref->store($ref->{lines}); # re- store the file
332 $ref->stop_msg($self->call);
334 dbg('msg', "PC33 from unknown stream $f[3] from $f[2]" );
335 $self->send(DXProt::pc42($f[2], $f[1], $f[3])); # unknown stream
338 # send next one if present
343 if ($pcno == 40) { # this is a file request
344 $f[3] =~ s/\\/\//og; # change the slashes
345 $f[3] =~ s/\.//og; # remove dots
346 $f[3] =~ s/^\///o; # remove the leading /
347 $f[3] = lc $f[3]; # to lower case;
348 dbg('msg', "incoming file $f[3]\n");
349 $f[3] = 'packclus/' . $f[3] unless $f[3] =~ /^packclus\//o;
351 # create any directories
352 my @part = split /\//, $f[3];
354 my $fn = "$main::root";
355 pop @part; # remove last part
356 foreach $part (@part) {
359 last SWITCH if !mkdir $fn, 0777;
360 dbg('msg', "created directory $fn\n");
362 my $stream = next_transno($f[2]);
363 my $ref = DXMsg->alloc($stream, "$main::root/$f[3]", $self->call, time, !$f[4], $f[3], ' ', '0', '0');
365 # forwarding variables
366 $ref->{fromnode} = $f[1];
367 $ref->{tonode} = $f[2];
368 $ref->{linesreq} = $f[5];
369 $ref->{stream} = $stream;
370 $ref->{count} = 0; # no of lines between PC31s
372 $ref->{lastt} = $main::systime;
373 $work{"$f[2]$stream"} = $ref; # store in work
374 $self->send(DXProt::pc30($f[2], $f[1], $stream)); # send ack
379 if ($pcno == 42) { # abort transfer
380 dbg('msg', "stream $f[3]: abort received\n");
381 my $ref = $work{"$f[2]$f[3]"};
383 $ref->stop_msg($self->call);
389 if ($pcno == 49) { # global delete on subject
391 if ($_->{from} eq $f[1] && $_->{subject} eq $f[2]) {
393 Log('msg', "Message $_->{msgno} from $_->{from} ($_->{subject}) fully deleted");
394 DXProt::broadcast_ak1a($line, $self);
402 # store a message away on disc or whatever
404 # NOTE the second arg is a REFERENCE not a list
410 # we only proceed if there are actually any lines in the file
411 # if (!$lines || @{$lines} == 0) {
415 if ($ref->{file}) { # a file
416 dbg('msg', "To be stored in $ref->{to}\n");
418 my $fh = new IO::File "$ref->{to}", "w";
421 foreach $line (@{$lines}) {
425 dbg('msg', "file $ref->{to} stored\n");
426 Log('msg', "file $ref->{to} from $ref->{from} stored" );
428 confess "can't open file $ref->{to} $!";
430 } else { # a normal message
432 # attempt to open the message file
433 my $fn = filename($ref->{msgno});
435 dbg('msg', "To be stored in $fn\n");
437 # now save the file, overwriting what's there, YES I KNOW OK! (I will change it if it's a problem)
438 my $fh = new IO::File "$fn", "w";
440 my $rr = $ref->{rrreq} ? '1' : '0';
441 my $priv = $ref->{private} ? '1': '0';
442 print $fh "=== $ref->{msgno}^$ref->{to}^$ref->{from}^$ref->{t}^$priv^$ref->{subject}^$ref->{origin}^$ref->{'read'}^$rr\n";
443 print $fh "=== ", join('^', @{$ref->{gotit}}), "\n";
446 foreach $line (@{$lines}) {
447 $ref->{size} += (length $line) + 1;
451 dbg('msg', "msg $ref->{msgno} stored\n");
452 Log('msg', "msg $ref->{msgno} from $ref->{from} to $ref->{to} stored" );
454 confess "can't open msg file $fn $!";
464 # remove it from the active message list
465 @msg = map { $_ != $self ? $_ : () } @msg;
467 # belt and braces (one day I will ask someone if this is REALLY necessary)
468 delete $self->{gotit};
469 delete $self->{list};
472 unlink filename($self->{msgno});
473 dbg('msg', "deleting $self->{msgno}\n");
476 # clean out old messages from the message queue
481 # mark old messages for deletion
482 foreach $ref (@msg) {
483 if (!$ref->{keep} && $ref->{t} < $main::systime - $maxage) {
484 $ref->{deleteme} = 1;
485 delete $ref->{gotit};
487 unlink filename($ref->{msgno});
488 dbg('msg', "deleting old $ref->{msgno}\n");
492 # remove them all from the active message list
493 @msg = map { $_->{deleteme} ? () : $_ } @msg;
494 $last_clean = $main::systime;
497 # read in a message header
507 $file = new IO::File "$fn";
509 dbg('err', "Error reading $fn $!");
510 Log('err', "Error reading $fn $!");
514 $line = <$file>; # first line
516 $size -= length $line;
517 if (! $line =~ /^===/o) {
518 dbg('err', "corrupt first line in $fn ($line)");
519 Log('err', "corrupt first line in $fn ($line)");
523 @f = split /\^/, $line;
524 $ref = DXMsg->alloc(@f);
526 $line = <$file>; # second line
528 $size -= length $line;
529 if (! $line =~ /^===/o) {
530 dbg('err', "corrupt second line in $fn ($line)");
531 Log('err', "corrupt second line in $fn ($line)");
536 @f = split /\^/, $line;
537 push @{$ref->{gotit}}, @f;
538 $ref->{size} = $size;
545 # read in a message header
549 my $msgno = $self->{msgno};
552 my $fn = filename($msgno);
555 $file = new IO::File;
556 if (!open($file, $fn)) {
557 dbg('err' ,"Error reading $fn $!");
558 Log('err' ,"Error reading $fn $!");
561 @out = map {chomp; $_} <$file>;
564 shift @out if $out[0] =~ /^=== /;
565 shift @out if $out[0] =~ /^=== /;
569 # send a tranche of lines to the other end
572 my ($self, $dxchan) = @_;
574 my $to = $self->{tonode};
575 my $from = $self->{fromnode};
576 my $stream = $self->{stream};
577 my $lines = $self->{lines};
580 for ($i = 0, $c = $self->{count}; $i < $self->{linesreq} && $c < @$lines; $i++, $c++) {
581 push @out, DXProt::pc29($to, $from, $stream, $lines->[$c]);
585 push @out, DXProt::pc32($to, $from, $stream) if $i < $self->{linesreq};
590 # find a message to send out and start the ball rolling
597 my @nodelist = DXChannel::get_all_ak1a();
599 # bat down the message list looking for one that needs to go off site and whose
600 # nearest node is not busy.
602 dbg('msg', "queue msg ($sort)\n");
603 foreach $ref (@msg) {
604 # firstly, is it private and unread? if so can I find the recipient
605 # in my cluster node list offsite?
607 # ignore 'delayed' messages until their waiting time has expired
608 if (exists $ref->{waitt}) {
609 next if $ref->{waitt} > $main::systime;
610 delete $ref->{waitt};
613 # deal with routed private messages
615 if ($ref->{private}) {
616 next if $ref->{'read'}; # if it is read, it is stuck here
617 $clref = DXCluster->get_exact($ref->{to});
618 unless ($clref) { # otherwise look for a homenode
619 my $uref = DXUser->get($ref->{to});
620 my $hnode = $uref->homenode if $uref;
621 $clref = DXCluster->get_exact($hnode) if $hnode;
623 if ($clref && !grep { $clref->{dxchan} == $_ } DXCommandmode::get_all()) {
624 next if $clref->call eq $main::mycall; # i.e. it lives here
625 $noderef = $clref->{dxchan};
626 $ref->start_msg($noderef) if !get_busy($noderef->call) && $noderef->state eq 'normal';
630 # otherwise we are dealing with a bulletin or forwarded private message
631 # compare the gotit list with
632 # the nodelist up above, if there are sites that haven't got it yet
633 # then start sending it - what happens when we get loops is anyone's
634 # guess, use (to, from, time, subject) tuple?
635 foreach $noderef (@nodelist) {
636 next if $noderef->call eq $main::mycall;
637 next if grep { $_ eq $noderef->call } @{$ref->{gotit}};
638 next unless $ref->forward_it($noderef->call); # check the forwarding file
640 # if we are here we have a node that doesn't have this message
641 $ref->start_msg($noderef) if !get_busy($noderef->call) && $noderef->state eq 'normal';
645 # if all the available nodes are busy then stop
646 last if @nodelist == scalar grep { get_busy($_->call) } @nodelist;
650 # is there a message for me?
656 foreach $ref (@msg) {
657 # is it for me, private and unread?
658 if ($ref->{to} eq $call && $ref->{private}) {
659 return 1 if !$ref->{'read'};
665 # start the message off on its travels with a PC28
668 my ($self, $dxchan) = @_;
670 dbg('msg', "start msg $self->{msgno}\n");
671 $self->{linesreq} = 5;
673 $self->{tonode} = $dxchan->call;
674 $self->{fromnode} = $main::mycall;
675 $busy{$self->{tonode}} = $self;
676 $work{$self->{tonode}} = $self;
677 $self->{lastt} = $main::systime;
678 $dxchan->send(DXProt::pc28($self->{tonode}, $self->{fromnode}, $self->{to}, $self->{from}, $self->{t}, $self->{private}, $self->{subject}, $self->{origin}, $self->{rrreq}));
681 # get the ref of a busy node
694 # get the forwarding queue
700 # stop a message from continuing, clean it out, unlock interlocks etc
705 my $stream = $self->{stream} if exists $self->{stream};
708 dbg('msg', "stop msg $self->{msgno} -> node $node\n");
710 delete $work{"$node$stream"} if $stream;
715 # get a new transaction number from the file specified
719 $name =~ s/\W//og; # remove non-word characters
720 my $fn = "$msgdir/$name";
723 my $fh = new IO::File;
724 if (sysopen($fh, $fn, O_RDWR|O_CREAT, 0666)) {
726 $msgno = $fh->getline;
730 $fh->print("$msgno\n");
731 dbg('msg', "msgno $msgno allocated for $name\n");
734 confess "can't open $fn $!";
739 # initialise the message 'system', read in all the message headers
742 my $dir = new IO::File;
746 # load various control files
747 dbg('err', "load badmsg: " . (load_badmsg() or "Ok"));
748 dbg('err', "load forward: " . (load_forward() or "Ok"));
749 dbg('err', "load swop: " . (load_swop() or "Ok"));
751 # read in the directory
752 opendir($dir, $msgdir) or confess "can't open $msgdir $!";
753 @dir = readdir($dir);
758 next unless /^m\d+$/o;
760 $ref = read_msg_header("$msgdir/$_");
763 # delete any messages to 'badmsg.pl' places
764 if (grep $ref->{to} eq $_, @badmsg) {
765 dbg('msg', "'Bad' TO address $ref->{to}");
766 Log('msg', "'Bad' TO address $ref->{to}");
771 # add the message to the available queue
776 # add the message to the directory listing
780 confess "tried to add a non-ref to the msg directory" if !ref $ref;
784 # return all the current messages
790 # get a particular message
795 return $_ if $_->{msgno} == $msgno;
796 last if $_->{msgno} > $msgno;
801 # return the official filename for a message no
804 return sprintf "$msgdir/m%06d", shift;
808 # return a list of valid elements
817 # return a prompt for a field
822 my ($self, $ele) = @_;
827 # send a message state machine
834 if ($self->state eq 'send1') {
836 confess "local var gone missing" if !ref $self->{loc};
837 my $loc = $self->{loc};
838 $loc->{subject} = $line;
840 $self->state('sendbody');
841 #push @out, $self->msg('sendbody');
842 push @out, $self->msg('m8');
843 } elsif ($self->state eq 'sendbody') {
844 confess "local var gone missing" if !ref $self->{loc};
845 my $loc = $self->{loc};
846 if ($line eq "\032" || $line eq '%1A' || uc $line eq "/EX") {
849 foreach $to (@{$loc->{to}}) {
851 my $systime = $main::systime;
852 my $mycall = $main::mycall;
853 $ref = DXMsg->alloc(DXMsg::next_transno('Msgno'),
855 exists $loc->{from} ? $loc->{from} : $self->call,
859 exists $loc->{origin} ? $loc->{origin} : $mycall,
862 $ref->swop_it($self->call);
863 $ref->store($loc->{lines});
865 push @out, $self->msg('m11', $ref->{msgno}, $to);
866 #push @out, "msgno $ref->{msgno} sent to $to";
867 my $dxchan = DXChannel->get(uc $to);
869 if ($dxchan->is_user()) {
870 $dxchan->send($dxchan->msg('m9'));
875 delete $loc->{lines};
880 $self->state('prompt');
881 } elsif ($line eq "\031" || uc $line eq "/ABORT" || uc $line eq "/QUIT") {
882 #push @out, $self->msg('sendabort');
883 push @out, $self->msg('m10');
884 delete $loc->{lines};
888 $self->state('prompt');
891 # i.e. it ain't and end or abort, therefore store the line
892 push @{$loc->{lines}}, length($line) > 0 ? $line : " ";
898 # return the standard directory line for this ref
902 return sprintf "%6d%s%s%5d %8.8s %8.8s %-6.6s %5.5s %-30.30s",
903 $ref->msgno, $ref->read ? '-' : ' ', $ref->private ? 'p' : ' ', $ref->size,
904 $ref->to, $ref->from, cldate($ref->t), ztime($ref->t), $ref->subject;
907 # load the forward table
911 my $s = readfilestr($forwardfn);
919 # load the bad message table
923 my $s = readfilestr($badmsgfn);
931 # load the swop message table
935 my $s = readfilestr($swopfn);
944 # forward that message or not according to the forwarding table
945 # returns 1 for forward, 0 - to ignore
954 for ($i = 0; $i < @forward; $i += 5) {
955 my ($sort, $field, $pattern, $action, $bbs) = @forward[$i..($i+4)];
959 next if $ref->{private} && $sort ne 'P';
960 next if !$ref->{private} && $sort ne 'B';
963 $tested = $ref->{to} if $field eq 'T';
964 $tested = $ref->{from} if $field eq 'F';
965 $tested = $ref->{origin} if $field eq 'O';
966 $tested = $ref->{subject} if $field eq 'S';
968 if (!$pattern || $tested =~ m{$pattern}i) {
969 return 0 if $action eq 'I';
970 return 1 if !$bbs || grep $_ eq $call, @{$bbs};
982 for ($i = 0; $i < @badmsg; $i += 3) {
983 my ($sort, $field, $pattern) = @badmsg[$i..($i+2)];
987 next if $ref->{private} && $sort ne 'P';
988 next if !$ref->{private} && $sort ne 'B';
991 $tested = $ref->{to} if $field eq 'T';
992 $tested = $ref->{from} if $field eq 'F';
993 $tested = $ref->{origin} if $field eq 'O';
994 $tested = $ref->{subject} if $field eq 'S';
996 if (!$pattern || $tested =~ m{$pattern}i) {
1010 for ($i = 0; $i < @swop; $i += 5) {
1011 my ($sort, $field, $pattern, $tfield, $topattern) = @swop[$i..($i+4)];
1016 # are we interested?
1017 next if $ref->{private} && $sort ne 'P';
1018 next if !$ref->{private} && $sort ne 'B';
1021 $tested = $ref->{to} if $field eq 'T';
1022 $tested = $ref->{from} if $field eq 'F';
1023 $tested = $ref->{origin} if $field eq 'O';
1024 $tested = $ref->{subject} if $field eq 'S';
1027 $old = $swop = $ref->{to} if $tfield eq 'T';
1028 $old = $swop = $ref->{from} if $tfield eq 'F';
1029 $old = $swop = $ref->{origin} if $tfield eq 'O';
1030 $old = $swop = $ref->{subject} if $tfield eq 'S';
1032 if ($tested =~ m{$pattern}i) {
1033 if ($tested eq $swop) {
1034 $swop =~ s{$pattern}{$topattern}i;
1038 Log('msg', "Msg $ref->{msgno}: $tfield $old -> $swop");
1039 Log('dbg', "Msg $ref->{msgno}: $tfield $old -> $swop");
1040 $ref->{to} = $swop if $tfield eq 'T';
1041 $ref->{from} = $swop if $tfield eq 'F';
1042 $ref->{origin} = $swop if $tfield eq 'O';
1043 $ref->{subject} = $swop if $tfield eq 'S';
1050 # import any msgs in the import directory
1051 # the messages are in BBS format (but may have cluster extentions
1052 # so SB UK < GB7TLH is legal
1055 # are there any to do in this directory?
1056 return unless -d $importfn;
1057 unless (opendir(DIR, $importfn)) {
1058 dbg('msg', "can\'t open $importfn $!");
1059 Log('msg', "can\'t open $importfn $!");
1063 my @names = readdir(DIR);
1066 foreach $name (@names) {
1067 next if $name =~ /^\./;
1068 my $splitit = $name =~ /^split/;
1069 my $fn = "$importfn/$name";
1071 unless (open(MSG, $fn)) {
1072 dbg('msg', "can\'t open import file $fn $!");
1073 Log('msg', "can\'t open import file $fn $!");
1077 my @msg = map { chomp; $_ } <MSG>;
1080 my @out = import_one($DXProt::me, \@msg, $splitit);
1085 # import one message as a list in bbs (as extended) mode
1086 # takes a reference to an array containing the whole message
1091 my $splitit = shift;
1095 my $from = $dxchan->call;
1096 my $origin = $main::mycall;
1101 my $line = shift @$ref;
1102 my @f = split /\s+/, $line;
1103 unless (@f && $f[0] =~ /^(:?S|SP|SB|SEND)$/ ) {
1104 my $m = "invalid first line in import '$line'";
1109 my $f = uc shift @f;
1110 next if $f eq 'SEND';
1112 # private / noprivate / rr
1113 if ($notincalls && ($f eq 'B' || $f eq 'SB' || $f =~ /^NOP/oi)) {
1115 } elsif ($notincalls && ($f eq 'P' || $f eq 'SP' || $f =~ /^PRI/oi)) {
1117 } elsif ($notincalls && ($f eq 'RR')) {
1119 } elsif ($f eq '@' && @f) { # this is bbs syntax, for origin
1120 $origin = uc shift @f;
1121 } elsif ($f eq '<' && @f) { # this is bbs syntax for from call
1122 $from = uc shift @f;
1123 } elsif ($f =~ /^\$/) { # this is bbs syntax for a bid
1125 } elsif ($f =~ /^<\S+/) { # this is bbs syntax for from call
1126 ($from) = $f =~ /^<(\S+)$/;
1127 } elsif ($f =~ /^\@\S+/) { # this is bbs syntax for origin
1128 ($origin) = $f =~ /^\@(\S+)$/;
1134 # is this callsign a distro?
1135 my $fn = "$msgdir/distro/$f.pl";
1137 my $fh = new IO::File $fn;
1144 return (1, "Error in Distro $f.pl:", $@) if $@;
1152 if (grep $_ eq $f, @DXMsg::badmsg) {
1153 push @out, $dxchan->msg('m3', $f);
1160 # subject is the next line
1161 my $subject = shift @$ref;
1163 # strip off trailing lines
1164 pop @$ref while (@$ref && $$ref[-1] =~ /^\s*$/);
1166 # strip off /EX or /ABORT
1167 return ("aborted") if @$ref && $$ref[-1] =~ m{^/ABORT$}i;
1168 pop @$ref if (@$ref && $$ref[-1] =~ m{^/EX$}i);
1170 # sort out any splitting that needs to be done
1176 if ($lth >= $maxchunk || ($lth > $minchunk && /^\s*$/)) {
1177 push @chunk, $lines;
1184 push @chunk, $lines if @$lines;
1189 # write all the messages away
1191 for ( $i = 0; $i < @chunk; $i++) {
1192 my $chunk = $chunk[$i];
1195 my $num = " [" . ($i+1) . "/" . scalar @chunk . "]";
1196 $ch_subject = substr($subject, 0, 27 - length $num) . $num;
1198 $ch_subject = $subject;
1202 my $systime = $main::systime;
1203 my $mycall = $main::mycall;
1204 my $mref = DXMsg->alloc(DXMsg::next_transno('Msgno'),
1213 $mref->swop_it($main::mycall);
1214 $mref->store($chunk);
1216 push @out, $dxchan->msg('m11', $mref->{msgno}, $to);
1217 #push @out, "msgno $ref->{msgno} sent to $to";
1218 my $todxchan = DXChannel->get(uc $to);
1220 if ($todxchan->is_user()) {
1221 $todxchan->send($todxchan->msg('m9'));
1233 my $name = $AUTOLOAD;
1234 return if $name =~ /::DESTROY$/;
1237 confess "Non-existant field '$AUTOLOAD'" if !$valid{$name};
1238 @_ ? $self->{$name} = shift : $self->{$name} ;