add plugin system

[xmlrtorrent.git] / xmlrtorrent.pl

diff --git a/xmlrtorrent.pl b/xmlrtorrent.pl
index d3e4f81..71b3b3e 100644 (file)
--- a/xmlrtorrent.pl
+++ b/xmlrtorrent.pl
@@ -13,9 +13,12 @@ use File::Spec;
 use List::Util qw(max);
 use xmlrtorrent;
 
+my @talkers;
+my $talker;
 my $conf;
 my $conffile = File::Spec->catfile(Irssi::get_irssi_dir(), 'xmlrtorrent.xml');
 my $scriptdir = File::Spec->catfile(Irssi::get_irssi_dir(), 'scripts');
+my $plugindir = File::Spec->catfile($scriptdir, 'xmlrtorrent');
 my %torrentlist = ();
 my $torrentindex = 1;
 my $rtorrent;
@@ -30,7 +33,7 @@ my $PARAMS = {
 };
 
 # activate debug here
-my $debug = 0;
+my $debug = 1;
 
 # "message public", SERVER_REC, char *msg, char *nick, char *address, char *target
 signal_add_last("message public" => sub {check_for_link(\@_,1,4,2,0);});
@@ -334,6 +337,64 @@ sub sig_command_script_unload {
     }
 }
 
+sub ploader {
+
+    my $dir = shift;
+    my $pattern = shift;
+    my $type = shift;
+    my @list;
+    my $p;
+    my $g;
+    my @g = ();
+
+    opendir(D, $dir) || return ();
+    @list = grep {/$pattern/ && -f File::Spec->catfile($dir, $_) } readdir(D);
+    closedir(D);
+
+    foreach $p (@list) {
+        write_debug('Trying to load %s:', $p);
+        $p =~ s/\.pm$//;
+        eval qq{ require xmlrtorrent::$p; };
+        if ($@) {
+            write_irssi('Failed to load plugin: %s', "$@");
+            next;
+        }
+
+        $g = eval qq{ xmlrtorrent::$p->new(); };
+        if ($@) {
+            write_irssi('Failed to instanciate: %s', "$@");
+            delete($INC{$p});
+            next;
+        }
+
+        write_debug('found %s %s', $g->{'TYPE'}, $g->{'NAME'});
+        if ($type eq $g->{'TYPE'}) {
+            push(@g, $g);
+            $g->setio(sub {Irssi::print(shift)});
+        } else {
+            write_irssi('%s has wrong type (got %s, expected %s)', $p, $g->{'TYPE'}, $type);
+            delete($INC{$p});
+        }
+    }
+
+    write_debug('Loaded %d plugins', $#g+1);
+    
+    return @g;
+}
+
+sub _load_modules($) {
+
+    my $path = shift;
+
+    foreach (keys(%INC)) {
+        if ($INC{$_} =~ m|^$path|) {
+            write_debug('Removing %s from $INC', $_);
+            delete($INC{$_});
+        }
+    }
+    @talkers = ploader($path, '.*Talker\.pm$', 'talker');
+}
+
 sub init_xmlrtorrent {
 
     my $bindings = shift;
@@ -350,6 +411,23 @@ sub init_xmlrtorrent {
         }
     }
 
+    _load_modules($plugindir);
+
+    unless (defined(@talkers)) {
+        write_irssi('No talkers found, can not proceed.');
+        return;
+    }
+
+    $talker = $talkers[0];
+    foreach $p (@talkers) {
+        if ($conf->{'xmlrtorrent'}->{'talker'} eq $p->{'NAME'}) {
+            $talker = $p;
+        }
+    }
+    write_debug(undef, 'Selected %s as talker', $talker->{'NAME'});
+    $conf->{'videosite'}->{'talker'} = $talker->{'NAME'};
+
+
     # Restore the queue
     %torrentlist = %{$conf->{'xmlrtorrent'}->{'_QUEUE'}};
     %torrentlist = map { my $a = substr($_, 1); ("$a" => $torrentlist{$_}) } keys(%torrentlist);