# Copyright (c) 1998 Dirk Koopman G1TLH
#
# $Id$
-#
+#
+#
+# Notes for implementors:-
+#
+# PC28 field 11 is the RR required flag
+# PC28 field 12 is a VIA routing (ie it is a node call)
package DXMsg;
file => '9,File?,yesno',
gotit => '9,Got it Nodes,parray',
lines => '9,Lines,parray',
- read => '9,Times read',
+ 'read' => '9,Times read',
size => '0,Size',
msgno => '0,Msgno',
keep => '0,Keep this?,yesno',
$self->{private} = shift;
$self->{subject} = shift;
$self->{origin} = shift;
- $self->{read} = shift;
+ $self->{'read'} = shift;
$self->{rrreq} = shift;
$self->{gotit} = [];
if ($pcno == 30) { # this is a incoming subject ack
my $ref = $work{$f[2]}; # note no stream at this stage
- delete $work{$f[2]};
- $ref->{stream} = $f[3];
- $ref->{count} = 0;
- $ref->{linesreq} = 5;
- $work{"$f[2]$f[3]"} = $ref; # new ref
- dbg('msg', "incoming subject ack stream $f[3]\n");
- $busy{$f[2]} = $ref; # interlock
- $ref->{lines} = [];
- push @{$ref->{lines}}, ($ref->read_msg_body);
- $ref->send_tranche($self);
+ if ($ref) {
+ delete $work{$f[2]};
+ $ref->{stream} = $f[3];
+ $ref->{count} = 0;
+ $ref->{linesreq} = 5;
+ $work{"$f[2]$f[3]"} = $ref; # new ref
+ dbg('msg', "incoming subject ack stream $f[3]\n");
+ $busy{$f[2]} = $ref; # interlock
+ $ref->{lines} = [];
+ push @{$ref->{lines}}, ($ref->read_msg_body);
+ $ref->send_tranche($self);
+ } else {
+ $self->send(DXProt::pc42($f[2], $f[1], $f[3])); # unknown stream
+ }
last SWITCH;
}
# remove it from the work in progress vector
# stuff it on the msg queue
if ($ref->{lines} && @{$ref->{lines}} > 0) { # ignore messages with 0 lines
- $ref->{msgno} = next_transno("Msgno") if !$ref->{file};
- push @{$ref->{gotit}}, $f[2]; # mark this up as being received
- $ref->store($ref->{lines});
- add_dir($ref);
- my $dxchan = DXChannel->get($ref->{to});
- $dxchan->send("New mail has arrived for you") if $dxchan;
- Log('msg', "Message $ref->{msgno} from $ref->{from} received from $f[2] for $ref->{to}");
+ if ($ref->{file}) {
+ $ref->store($ref->{lines});
+ } else {
+
+ # does an identical message already exist?
+ my $m;
+ for $m (@msg) {
+ if ($ref->{subject} eq $m->{subject} && $ref->{t} == $m->{t} && $ref->{from} eq $m->{from}) {
+ $ref->stop_msg($self);
+ my $msgno = $m->{msgno};
+ dbg('msg', "duplicate message to $msgno\n");
+ Log('msg', "duplicate message to $msgno");
+ return;
+ }
+ }
+
+ $ref->{msgno} = next_transno("Msgno");
+ push @{$ref->{gotit}}, $f[2]; # mark this up as being received
+ $ref->store($ref->{lines});
+ add_dir($ref);
+ my $dxchan = DXChannel->get($ref->{to});
+ $dxchan->msg('msgnew') if $dxchan;
+ Log('msg', "Message $ref->{msgno} from $ref->{from} received from $f[2] for $ref->{to}");
+ }
}
$ref->stop_msg($self);
- queue_msg();
+ queue_msg(0);
} else {
$self->send(DXProt::pc42($f[2], $f[1], $f[3])); # unknown stream
}
- queue_msg();
+ queue_msg(0);
last SWITCH;
}
} else {
$self->send(DXProt::pc42($f[2], $f[1], $f[3])); # unknown stream
}
- queue_msg();
+ queue_msg(0);
last SWITCH;
}
last SWITCH;
}
+
+ if ($pcno == 49) { # global delete on subject
+ for (@msg) {
+ if ($_->{subject} eq $f[2]) {
+ $_->del_msg();
+ Log('msg', "Message $_->{msgno} fully deleted by $f[1]");
+ }
+ }
+ }
}
-
- clean_old() if $main::systime - $last_clean > 3600 ; # clean the message queue
+
+ clean_old() if $main::systime - $last_clean > 3600 ; # clean the message queue
}
} else {
confess "can't open file $ref->{to} $!";
}
- # push @{$ref->{gotit}}, $ref->{fromnode} if $ref->{fromnode};
} else { # a normal message
-
+
# attempt to open the message file
my $fn = filename($ref->{msgno});
if (defined $fh) {
my $rr = $ref->{rrreq} ? '1' : '0';
my $priv = $ref->{private} ? '1': '0';
- print $fh "=== $ref->{msgno}^$ref->{to}^$ref->{from}^$ref->{t}^$priv^$ref->{subject}^$ref->{origin}^$ref->{read}^$rr\n";
+ print $fh "=== $ref->{msgno}^$ref->{to}^$ref->{from}^$ref->{t}^$priv^$ref->{subject}^$ref->{origin}^$ref->{'read'}^$rr\n";
print $fh "=== ", join('^', @{$ref->{gotit}}), "\n";
my $line;
$ref->{size} = 0;
my $to = $self->{tonode};
my $from = $self->{fromnode};
my $stream = $self->{stream};
- my $i;
+ my $lines = $self->{lines};
+ my ($c, $i);
- for ($i = 0; $i < $self->{linesreq} && $self->{count} < @{$self->{lines}}; $i++, $self->{count}++) {
- push @out, DXProt::pc29($to, $from, $stream, ${$self->{lines}}[$self->{count}]);
-}
-push @out, DXProt::pc32($to, $from, $stream) if $i < $self->{linesreq};
-$dxchan->send(@out);
+ for ($i = 0, $c = $self->{count}; $i < $self->{linesreq} && $c < @$lines; $i++, $c++) {
+ push @out, DXProt::pc29($to, $from, $stream, $lines->[$c]);
+ }
+ $self->{count} = $c;
+
+ push @out, DXProt::pc32($to, $from, $stream) if $i < $self->{linesreq};
+ $dxchan->send(@out);
}
- # find a message to send out and start the ball rolling
- sub queue_msg
+# find a message to send out and start the ball rolling
+sub queue_msg
{
my $sort = shift;
- my @nodelist = DXProt::get_all_ak1a();
+ my $call = shift;
my $ref;
my $clref;
my $dxchan;
+ my @nodelist = DXProt::get_all_ak1a();
# bat down the message list looking for one that needs to go off site and whose
# nearest node is not busy.
-
+
dbg('msg', "queue msg ($sort)\n");
foreach $ref (@msg) {
# firstly, is it private and unread? if so can I find the recipient
# in my cluster node list offsite?
if ($ref->{private}) {
- if ($ref->{read} == 0) {
- $clref = DXCluster->get($ref->{to});
+ if ($ref->{'read'} == 0) {
+ $clref = DXCluster->get_exact($ref->{to});
+ unless ($clref) { # otherwise look for a homenode
+ my $uref = DXUser->get($ref->{to});
+ my $hnode = $uref->homenode if $uref;
+ $clref = DXCluster->get_exact($hnode) if $hnode;
+ }
if ($clref && !grep { $clref->{dxchan} == $_ } DXCommandmode::get_all) {
$dxchan = $clref->{dxchan};
- $ref->start_msg($dxchan) if $clref && !get_busy($dxchan->call);
+ $ref->start_msg($dxchan) if $clref && !get_busy($dxchan->call) && $dxchan->state eq 'normal';
}
}
- } elsif ($sort == undef) {
+ } elsif (!$sort) {
# otherwise we are dealing with a bulletin, compare the gotit list with
# the nodelist up above, if there are sites that haven't got it yet
# then start sending it - what happens when we get loops is anyone's
my $noderef;
foreach $noderef (@nodelist) {
next if $noderef->call eq $main::mycall;
+ next if $noderef->isolate; # maybe add code for stuff originated here?
next if grep { $_ eq $noderef->call } @{$ref->{gotit}};
# if we are here we have a node that doesn't have this message
- $ref->start_msg($noderef) if !get_busy($noderef->call);
+ $ref->start_msg($noderef) if !get_busy($noderef->call) && $noderef->state eq 'normal';
last;
- }
+ }
}
# if all the available nodes are busy then stop
}
}
+# is there a message for me?
+sub for_me
+{
+ my $call = uc shift;
+ my $ref;
+
+ foreach $ref (@msg) {
+ # is it for me, private and unread?
+ if ($ref->{to} eq $call && $ref->{private}) {
+ return 1 if !$ref->{'read'};
+ }
+ }
+ return 0;
+}
+
# start the message off on its travels with a PC28
sub start_msg
{
delete $loc->{lines};
delete $loc->{to};
delete $self->{loc};
- $self->state('prompt');
$self->func(undef);
- DXMsg::queue_msg();
+ DXMsg::queue_msg(0);
+ $self->state('prompt');
} elsif ($line eq "\031" || uc $line eq "/ABORT" || uc $line eq "/QUIT") {
#push @out, $self->msg('sendabort');
push @out, "aborted";
} else {
# i.e. it ain't and end or abort, therefore store the line
- push @{$loc->{lines}}, $line;
+ push @{$loc->{lines}}, length($line) > 0 ? $line : " ";
}
}
return (1, @out);