added new DXUser with homemade data->ref and ref->data routines

[spider.git] / perl / DXUser.pm

diff --git a/perl/DXUser.pm b/perl/DXUser.pm
index c84598afad795680582b5fab55d9ccbff9a99567..9ebc31d934c9bea25a55aaa49b2b7318a1844929 100644 (file)
--- a/perl/DXUser.pm
+++ b/perl/DXUser.pm
@@ -11,7 +11,7 @@ package DXUser;
 require Exporter;
 @ISA = qw(Exporter);
 
-use MLDBM qw(DB_File);
+use DB_File;
 use Fcntl;
 use Carp;
 
@@ -76,10 +76,11 @@ sub init
        my ($pkg, $fn, $mode) = @_;
   
        confess "need a filename in User" if !$fn;
+       $fn .= ".new";
        if ($mode) {
-               $dbm = tie (%u, MLDBM, $fn, O_CREAT|O_RDWR, 0666) or confess "can't open user file: $fn ($!)";
+               $dbm = tie (%u, 'DB_File', $fn, O_CREAT|O_RDWR, 0666, $DB_BTREE) or confess "can't open user file: $fn ($!)";
        } else {
-               $dbm = tie (%u, MLDBM, $fn, O_RDONLY) or confess "can't open user file: $fn ($!)";
+               $dbm = tie (%u, 'DB_File', $fn, O_RDONLY, 0666, $DB_BTREE) or confess "can't open user file: $fn ($!)";
        }
        
        $filename = $fn;
@@ -93,7 +94,6 @@ use strict;
 
 sub finish
 {
-       $dbm = undef;
        untie %u;
 }
 
@@ -115,7 +115,7 @@ sub new
        $self->{dxok} = 1;
        $self->{annok} = 1;
        $self->{lang} = $main::lang;
-       $u{call} = $self;
+       $u{call} = $self->encode();
        return $self;
 }
 
@@ -129,7 +129,8 @@ sub get
        my $pkg = shift;
        my $call = uc shift;
        #  $call =~ s/-\d+$//o;       # strip ssid
-       return $u{$call};
+       my $s = $u{$call};
+       return $s ?  decode($s) : undef;
 }
 
 #
@@ -157,7 +158,8 @@ sub get_current
   
        my $dxchan = DXChannel->get($call);
        return $dxchan->user if $dxchan;
-       return $u{$call};
+       my $s = $u{$call};
+       return $s ? decode($s) : undef;
 }
 
 #
@@ -168,7 +170,49 @@ sub put
 {
        my $self = shift;
        my $call = $self->{call};
-       $u{$call} = $self;
+       $u{$call} = $self->encode();
+}
+
+# 
+# create a string from a user reference
+#
+sub encode
+{
+       my $self = shift;
+       my $out;
+       my $f;
+
+       $out = "bless( { ";
+       for $f (sort keys %$self) {
+               my $val = $$self{$f};
+           if (ref $val) {          # it's an array (we think)
+                       $out .= "'$f'=>[ ";
+                       foreach (@$val) {
+                               my $s = $_;
+                               $out .= "'$s',";
+                       }
+                       $out .= " ],";
+           } else {
+                       $val =~ s/'/\\'/og;
+                       $val =~ s/\@/\\@/og;
+                       $out .= "'$f'=>q{$val},";
+               }
+       }
+       $out .= " }, 'DXUser')";
+       return $out;
+}
+
+#
+# create a hash from a string
+#
+sub decode
+{
+       my $s = shift;
+       my $ref;
+       $s = '$ref = ' . $s;
+       eval $s;
+       confess $@ if $@;
+       return $ref;
 }
 
 #