X-Git-Url: http://dxcluster.net/gitweb/gitweb.cgi?a=blobdiff_plain;f=perl%2FDXMsg.pm;h=5a796935a65317bd79643a1311b073fe77b1a6bc;hb=8942c27356acc5d5f5a20134461bcf7e6bd6a044;hp=d8096075bdc0f106be0a754cb95baf4142bcd6b2;hpb=2a65593f255071174485afba2ef7f7c27e235f75;p=spider.git diff --git a/perl/DXMsg.pm b/perl/DXMsg.pm index d8096075..5a796935 100644 --- a/perl/DXMsg.pm +++ b/perl/DXMsg.pm @@ -5,7 +5,13 @@ # 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; @@ -24,7 +30,8 @@ use FileHandle; use Carp; use strict; -use vars qw(%work @msg $msgdir %valid %busy $maxage $last_clean); +use vars qw(%work @msg $msgdir %valid %busy $maxage $last_clean + @badmsg $badmsgfn $forwardfn @forward); %work = (); # outstanding jobs @msg = (); # messages we have @@ -32,6 +39,10 @@ use vars qw(%work @msg $msgdir %valid %busy $maxage $last_clean); $msgdir = "$main::root/msg"; # directory contain the msgs $maxage = 30 * 86400; # the maximum age that a message shall live for if not marked $last_clean = 0; # last time we did a clean +@forward = (); # msg forward table + +$badmsgfn = "$msgdir/badmsg.pl"; # list of TO address we wont store +$forwardfn = "$msgdir/forward.pl"; # the forwarding table %valid = ( fromnode => '9,From Node', @@ -50,7 +61,7 @@ $last_clean = 0; # last time we did a clean 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', @@ -73,7 +84,7 @@ sub alloc $self->{private} = shift; $self->{subject} = shift; $self->{origin} = shift; - $self->{read} = shift; + $self->{'read'} = shift; $self->{rrreq} = shift; $self->{gotit} = []; @@ -96,7 +107,7 @@ sub workclean sub process { my ($self, $line) = @_; - my @f = split /[\^\~]/, $line; + my @f = split /\^/, $line; my ($pcno) = $f[0] =~ /^PC(\d\d)/; # just get the number SWITCH: { @@ -135,16 +146,20 @@ sub process if ($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], $f[3])); # unknown stream + } last SWITCH; } @@ -171,20 +186,45 @@ sub process # remove it from the work in progress vector # stuff it on the msg queue if ($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; + } + } + + # look for 'bad' to addresses + if (grep $ref->{to} eq $_, @badmsg) { + $ref->stop_msg($self); + dbg('msg', "'Bad' TO address $ref->{to}"); + Log('msg', "'Bad' TO address $ref->{to}"); + 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}); + $dxchan->send($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; } @@ -203,7 +243,7 @@ sub process } else { $self->send(DXProt::pc42($f[2], $f[1], $f[3])); # unknown stream } - queue_msg(); + queue_msg(0); last SWITCH; } @@ -252,9 +292,18 @@ sub process last SWITCH; } + + if ($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 } @@ -286,9 +335,8 @@ sub store } 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}); @@ -299,7 +347,7 @@ sub store 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; @@ -430,41 +478,50 @@ sub send_tranche 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 $dxchan && $clref && !get_busy($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 @@ -473,11 +530,14 @@ $dxchan->send(@out); foreach $noderef (@nodelist) { next if $noderef->call eq $main::mycall; next if grep { $_ eq $noderef->call } @{$ref->{gotit}}; + next unless $ref->forward_it($noderef->call); # check the forwarding file + # next if $noderef->isolate; # maybe add code for stuff originated here? + # next if DXUser->get( ${$ref->{gotit}}[0] )->isolate; # is the origin isolated? # 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 @@ -485,6 +545,21 @@ $dxchan->send(@out); } } +# 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 { @@ -562,22 +637,35 @@ sub init my $dir = new FileHandle; my @dir; my $ref; - + + # load various control files + my @in = load_badmsg(); + print "@in\n" if @in; + @in = load_forward(); + print "@in\n" if @in; + # read in the directory opendir($dir, $msgdir) or confess "can't open $msgdir $!"; @dir = readdir($dir); closedir($dir); - + + @msg = (); for (sort @dir) { - next if /^\./o; - next if ! /^m\d+/o; + next unless /^m\d+$/o; $ref = read_msg_header("$msgdir/$_"); - next if !$ref; + next unless $ref; + # delete any messages to 'badmsg.pl' places + if (grep $ref->{to} eq $_, @badmsg) { + dbg('msg', "'Bad' TO address $ref->{to}"); + Log('msg', "'Bad' TO address $ref->{to}"); + $ref->del_msg; + next; + } + # add the message to the available queue add_dir($ref); - } } @@ -683,9 +771,9 @@ sub do_send_stuff 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, $self->msg('sendabort'); push @out, "aborted"; @@ -697,7 +785,7 @@ sub do_send_stuff } else { # i.e. it ain't and end or abort, therefore store the line - push @{$loc->{lines}}, $line; + push @{$loc->{lines}}, length($line) > 0 ? $line : " "; } } return (1, @out); @@ -712,6 +800,57 @@ sub dir $ref->to, $ref->from, cldate($ref->t), ztime($ref->t), $ref->subject; } +# load the forward table +sub load_forward +{ + my @out; + do "$forwardfn" if -e "$forwardfn"; + push @out, $@ if $@; + return @out; +} + +# load the bad message table +sub load_badmsg +{ + my @out; + do "$badmsgfn" if -e "$badmsgfn"; + push @out, $@ if $@; + return @out; +} + +# +# forward that message or not according to the forwarding table +# returns 1 for forward, 0 - to ignore +# + +sub forward_it +{ + my $ref = shift; + my $call = shift; + my $i; + + for ($i = 0; $i < @forward; $i += 5) { + my ($sort, $field, $pattern, $action, $bbs) = @forward[$i..($i+4)]; + my $tested; + + # are we interested? + last if $ref->{private} && $sort ne 'P'; + last if !$ref->{private} && $sort ne 'B'; + + # select field + $tested = $ref->{to} if $field eq 'T'; + $tested = $ref->{from} if $field eq 'F'; + $tested = $ref->{origin} if $field eq 'O'; + $tested = $ref->{subject} if $field eq 'S'; + + if (!$pattern || $tested =~ m{$pattern}i) { + return 0 if $action eq 'I'; + return 1 if !$bbs || grep $_ eq $call, @{$bbs}; + } + } + return 0; +} + no strict; sub AUTOLOAD {