use Carp;
use strict;
-use vars qw($stream %work @msg $msgdir $msgnofn);
+use vars qw(%work @msg $msgdir %valid);
%work = (); # outstanding jobs
@msg = (); # messages we have
-$msgdir = "$main::data/msg"; # directory contain the msgs
+$msgdir = "$main::root/msg"; # directory contain the msgs
+
+%valid = (
+ fromnode => '9,From Node',
+ tonode => '9,To Node',
+ to => '0,To',
+ from => '0,From',
+ t => '0,Msg Time,cldatetime',
+ private => '9,Private',
+ subject => '0,Subject',
+ linesreq => '0,Lines per Gob',
+ rrreq => '9,Read Confirm',
+ origin => '0,Origin',
+ lines => '5,Data',
+ stream => '9,Stream No',
+ count => '9,Gob Linecnt',
+ file => '9,File?,yesno',
+ gotit => '9,Got it Nodes,parray',
+ lines => '9,Lines,parray',
+ read => '9,Times read',
+ size => '0,Size',
+ msgno => '0,Msgno',
+);
# allocate a new object
# called fromnode, tonode, from, to, datetime, private?, subject, nolinesper
{
my $pkg = shift;
my $self = bless {}, $pkg;
- $self->{fromnode} = shift;
- $self->{tonode} = shift;
+ $self->{msgno} = shift;
$self->{to} = shift;
$self->{from} = shift;
$self->{t} = shift;
$self->{private} = shift;
$self->{subject} = shift;
- $self->{linesreq} = shift; # this the number of lines to send or receive between PC31s
- $self->{rrreq} = shift; # a read receipt is required
$self->{origin} = shift;
- $self->{stream} = shift;
- $self->{lines} = [];
-
+ $self->{read} = shift;
+
return $self;
}
delete $ref->{lines};
delete $ref->{linesreq};
delete $ref->{tonode};
+ delete $ref->{fromnode};
delete $ref->{stream};
+ delete $ref->{lines};
+ delete $ref->{file};
+ delete $ref->{count};
}
sub process
if ($pcno == 28) { # incoming message
my $t = cltounix($f[5], $f[6]);
my $stream = next_transno($f[2]);
- my $ref = DXMsg->alloc($f[1], $f[2], $f[3], $f[4], $t, $f[7], $f[8], $f[10], $f[11], $f[13], $stream);
+ my $ref = DXMsg->alloc($stream, $f[3], $f[4], $t, $f[7], $f[8], $f[13], '0');
+
+ # fill in various forwarding state variables
+ $ref->{fromnode} = $f[2];
+ $ref->{tonode} = $f[1];
+ $ref->{rrreq} = $f[11];
+ $ref->{linesreq} = $f[10];
+ $ref->{stream} = $stream;
+ $ref->{count} = 0; # no of lines between PC31s
dbg('msg', "new message from $f[4] to $f[3] '$f[8]' stream $stream\n");
$work{"$f[1]$f[2]$stream"} = $ref; # store in work
- $self->send(DXProt::pc30($f[2], $f[1], $stream));
- $ref->{count} = 0; # no of lines between PC31s
+ $self->send(DXProt::pc30($f[2], $f[1], $stream)); # send ack
last SWITCH;
}
my $ref = $work{"$f[1]$f[2]$f[3]"};
if ($ref) {
$self->send(DXProt::pc33($f[2], $f[1], $f[3]));# acknowledge it
- $ref->store(); # store it (whatever that may mean)
+ $ref->store($ref->{lines}); # store it (whatever that may mean)
+ $ref->workclean;
delete $work{"$f[1]$f[2]$f[3]"}; # remove the reference from the work vector
}
last SWITCH;
$f[3] =~ s/\.//og; # remove dots
$f[3] = lc $f[3]; # to lower case;
dbg('msg', "incoming file $f[3]\n");
- last SWITCH if $f[3] =~ /^\/(perl|cmd|local_cmd|src|lib|include|sys|data\/msg)\//; # prevent access to executables
+ last SWITCH if $f[3] =~ /^\/(perl|cmd|local_cmd|src|lib|include|sys|msg)\//; # prevent access to executables
# create any directories
my @part = split /\//, $f[3];
dbg('msg', "created directory $fn\n");
}
my $stream = next_transno($f[2]);
- my $ref = DXMsg->alloc($f[1], $f[2], "$main::root/$f[3]", undef, time, !$f[4], undef, $f[5], 0, ' ', $stream);
+ my $ref = DXMsg->alloc($stream, "$main::root/$f[3]", $self->call, time, !$f[4], $f[3], ' ', '0');
+
+ # forwarding variables
+ $ref->{fromnode} = $f[1];
+ $ref->{tonode} = $f[2];
+ $ref->{linesreq} = $f[5];
+ $ref->{stream} = $stream;
+ $ref->{count} = 0; # no of lines between PC31s
$ref->{file} = 1;
$work{"$f[1]$f[2]$stream"} = $ref; # store in work
- $self->send(DXProt::pc30($f[2], $f[1], $stream));
- $ref->{count} = 0; # no of lines between PC31s
+ $self->send(DXProt::pc30($f[2], $f[1], $stream)); # send ack
last SWITCH;
}
sub store
{
my $ref = shift;
+ my $lines = shift;
# we only proceed if there are actually any lines in the file
- if (@{$ref->{lines}} == 0) {
- delete $ref->{lines};
+ if (@{$lines} == 0) {
return;
}
my $fh = new FileHandle "$ref->{to}", "w";
if (defined $fh) {
my $line;
- foreach $line (@{$ref->{lines}}) {
+ foreach $line (@{$lines}) {
print $fh "$line\n";
}
$fh->close;
} else {
confess "can't open file $ref->{to} $!";
}
+# push @{$ref->{gotit}}, $ref->{fromnode} if $ref->{fromnode};
} else { # a normal message
# get the next msg no - note that this has NOTHING to do with the stream number in PC protocol
- my $msgno = next_transno("msgno");
+ my $msgno = next_transno("Msgno");
# attempt to open the message file
- my $fn = sprintf "$msgdir/m%06d", $msgno;
+ my $fn = filename($msgno);
dbg('msg', "To be stored in $fn\n");
my $fh = new FileHandle "$fn", "w";
if (defined $fh) {
- print $fh "=== $ref->{to}^$ref->{from}^$ref->{private}^$ref->{subject}^$ref->{origin}\n";
+ print $fh "=== $msgno^$ref->{to}^$ref->{from}^$ref->{t}^$ref->{private}^$ref->{subject}^$ref->{origin}^$ref->{read}\n";
print $fh "=== $ref->{fromnode}\n";
my $line;
- foreach $line (@{$ref->{lines}}) {
- $ref->{size} += length $line + 1;
+ foreach $line (@{$lines}) {
+ $ref->{size} += (length $line) + 1;
print $fh "$line\n";
}
- $ref->workclean();
+ $ref->{gotit} = [];
+ $ref->{msgno} = $msgno;
+ push @{$ref->{gotit}}, $ref->{fromnode} if $ref->{fromnode};
push @msg, $ref; # add this message to the incore message list
$fh->close;
dbg('msg', "msg $msgno stored\n");
}
}
+# delete a message
+sub del_msg
+{
+ my $self = shift;
+
+ # remove it from the active message list
+ @msg = map { $_ != $self ? $_ : () } @msg;
+
+ # remove the file
+ unlink filename($self->{msgno});
+}
+
+# read in a message header
+sub read_msg_header
+{
+ my $fn = shift;
+ my $file;
+ my $line;
+ my $ref;
+ my @f;
+ my $size;
+
+ $file = new FileHandle;
+ if (!open($file, $fn)) {
+ print "Error reading $fn $!\n";
+ return undef;
+ }
+ $size = -s $fn;
+ $line = <$file>; # first line
+ chomp $line;
+ $size -= length $line;
+ if (! $line =~ /^===/o) {
+ print "corrupt first line in $fn ($line)\n";
+ return undef;
+ }
+ $line =~ s/^=== //o;
+ @f = split /\^/, $line;
+ $ref = DXMsg->alloc(@f);
+
+ $line = <$file>; # second line
+ chomp $line;
+ $size -= length $line;
+ if (! $line =~ /^===/o) {
+ print "corrupt second line in $fn ($line)\n";
+ return undef;
+ }
+ $line =~ s/^=== //o;
+ $ref->{gotit} = [];
+ @f = split /\^/, $line;
+ push @{$ref->{goit}}, @f;
+ $ref->{size} = $size;
+
+ close($file);
+
+ return $ref;
+}
+
+# read in a message header
+sub read_msg_body
+{
+ my $self = shift;
+ my $msgno = $self->{msgno};
+ my $file;
+ my $line;
+ my $fn = filename($msgno);
+ my @out;
+
+ $file = new FileHandle;
+ if (!open($file, $fn)) {
+ print "Error reading $fn $!\n";
+ return undef;
+ }
+ chomp (@out = <$file>);
+ close($file);
+
+ shift @out if $out[0] =~ /^=== \d+\^/;
+ shift @out if $out[0] =~ /^=== \d+\^/;
+ return @out;
+}
+
# get a new transaction number from the file specified
sub next_transno
{
return $msgno;
}
-# initialise the message 'system'
+# initialise the message 'system', read in all the message headers
sub init
{
+ my $dir = new FileHandle;
+ my @dir;
+ my $ref;
+ # read in the directory
+ opendir($dir, $msgdir) or confess "can't open $msgdir $!";
+ @dir = readdir($dir);
+ closedir($dir);
+
+ for (sort @dir) {
+ next if /^\./o;
+ next if ! /^m\d+/o;
+
+ $ref = read_msg_header("$msgdir/$_");
+ next if !$ref;
+
+ # add the clusters that have this
+ push @msg, $ref;
+
+ }
+}
+
+# return all the current messages
+sub get_all
+{
+ return @msg;
+}
+
+# return the official filename for a message no
+sub filename
+{
+ return sprintf "$msgdir/m%06d", shift;
}
+#
+# return a list of valid elements
+#
+
+sub fields
+{
+ return keys(%valid);
+}
+
+#
+# return a prompt for a field
+#
+
+sub field_prompt
+{
+ my ($self, $ele) = @_;
+ return $valid{$ele};
+}
+
+no strict;
+sub AUTOLOAD
+{
+ my $self = shift;
+ my $name = $AUTOLOAD;
+ return if $name =~ /::DESTROY$/;
+ $name =~ s/.*:://o;
+
+ confess "Non-existant field '$AUTOLOAD'" if !$valid{$name};
+ @_ ? $self->{$name} = shift : $self->{$name} ;
+}
+
+
1;
__END__
projects / spider.git / blobdiff