--- deliantra/server/lib/cf.pm	2006/08/27 16:15:12	1.46
+++ deliantra/server/lib/cf.pm	2006/10/01 10:55:37	1.70
@@ -13,66 +13,58 @@
 
 use strict;
 
+_init_vars;
+
 our %COMMAND = ();
 our @EVENT;
-our %PROP_TYPE;
-our %PROP_IDX;
 our $LIBDIR = maps_directory "perl";
 
 our $TICK = MAX_TIME * 1e-6;
 our $TICK_WATCHER;
 our $NEXT_TICK;
 
-BEGIN {
-   *CORE::GLOBAL::warn = sub {
-      my $msg = join "", @_;
-      $msg .= "\n"
-         unless $msg =~ /\n$/;
+our %CFG;
 
-      print STDERR "cfperl: $msg";
-      LOG llevError, "cfperl: $msg";
-   };
-}
+#############################################################################
 
-my %ignore_set = (MAP_PROP_PATH => 1); # I hate the plug-in api. Deeply!
+=head2 GLOBAL VARIABLES
 
-# generate property mutators
-sub prop_gen {
-   my ($prefix, $class) = @_;
+=over 4
 
-   no strict 'refs';
+=item $cf::LIBDIR
 
-   for my $prop (keys %PROP_TYPE) {
-      $prop =~ /^\Q$prefix\E_(.*$)/ or next;
-      my $sub = lc $1;
+The perl library directory, where extensions and cf-specific modules can
+be found. It will be added to C<@INC> automatically.
 
-      my $type = $PROP_TYPE{$prop};
-      my $idx  = $PROP_IDX {$prop};
+=item $cf::TICK
 
-      *{"$class\::get_$sub"} = *{"$class\::$sub"} = sub {
-         $_[0]->get_property ($type, $idx)
-      };
+The interval between server ticks, in seconds.
 
-      *{"$class\::set_$sub"} = sub {
-         $_[0]->set_property ($type, $idx, $_[1]);
-      } unless $ignore_set{$prop};
-   }
-}
+=item %cf::CFG
 
-# auto-generate most of the API
+Configuration for the server, loaded from C</etc/crossfire/config>, or
+from wherever your confdir points to.
 
-prop_gen OBJECT_PROP => "cf::object";
-# CFAPI_OBJECT_ANIMATION?
-prop_gen PLAYER_PROP => "cf::object::player";
+=back
+
+=cut
+
+BEGIN {
+   *CORE::GLOBAL::warn = sub {
+      my $msg = join "", @_;
+      $msg .= "\n"
+         unless $msg =~ /\n$/;
 
-prop_gen MAP_PROP    => "cf::map";
-prop_gen ARCH_PROP   => "cf::arch";
+      print STDERR "cfperl: $msg";
+      LOG llevError, "cfperl: $msg";
+   };
+}
 
 @safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';
 
 # we bless all objects into (empty) derived classes to force a method lookup
 # within the Safe compartment.
-for my $pkg (qw(cf::object cf::object::player cf::player cf::map cf::party cf::region cf::arch)) {
+for my $pkg (qw(cf::object cf::object::player cf::player cf::map cf::party cf::region cf::arch cf::living)) {
    no strict 'refs';
    @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
 }
@@ -87,35 +79,69 @@
 my %command;
 my %extcmd;
 
-#############################################################################
-# utility functions
+=head2 UTILITY FUNCTIONS
+
+=over 4
+
+=cut
 
 use JSON::Syck (); # TODO# replace by JSON::PC once working
 
+=item $ref = cf::from_json $json
+
+Converts a JSON string into the corresponding perl data structure.
+
+=cut
+
 sub from_json($) {
    $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
    JSON::Syck::Load $_[0]
 }
 
+=item $json = cf::to_json $ref
+
+Converts a perl data structure into its JSON representation.
+
+=cut
+
 sub to_json($) {
    $JSON::Syck::ImplicitUnicode = 0;  # work around JSON::Syck bugs
    JSON::Syck::Dump $_[0]
 }
 
+=back
+
 #############################################################################
-# "new" plug-in system
 
-=item $object->attach ($attachment, ...)
+=head2 EVENTS AND OBJECT ATTACHMENTS
+
+=over 4
+
+=item $object->attach ($attachment, key => $value...)
+
+=item $object->detach ($attachment)
+
+Attach/detach a pre-registered attachment to an object.
+
+=item $player->attach ($attachment, key => $value...)
+
+=item $player->detach ($attachment)
+
+Attach/detach a pre-registered attachment to a player.
+
+=item $map->attach ($attachment, key => $value...)
 
-Attach a pre-registered attachment to an object.
+=item $map->detach ($attachment)
 
-=item $player->attach ($attachment, ...)
+Attach/detach a pre-registered attachment to a map.
 
-Attach a pre-registered attachment to a player.
+=item $bool = $object->attached ($name)
 
-=item $map->attach ($attachment, ...) # not yet persistent
+=item $bool = $player->attached ($name)
 
-Attach a pre-registered attachment to a map.
+=item $bool = $map->attached ($name)
+
+Checks wether the named attachment is currently attached to the object.
 
 =item cf::attach_global ...
 
@@ -152,9 +178,11 @@
 
 =back
 
-=item cf::attach_to_type $object_type, ...
+=item cf::attach_to_type $object_type, $subtype, ...
 
-Attach handlers for a specific object type (e.g. TRANSPORT).
+Attach handlers for a specific object type (e.g. TRANSPORT) and
+subtype. If C<$subtype> is zero or undef, matches all objects of the given
+type.
 
 =item cf::attach_to_objects ...
 
@@ -172,6 +200,19 @@
 
 =item cf:register_attachment $name, ...
 
+Register an attachment by name through which objects can refer to this
+attachment.
+
+=item cf:register_player_attachment $name, ...
+
+Register an attachment by name through which players can refer to this
+attachment.
+
+=item cf:register_map_attachment $name, ...
+
+Register an attachment by name through which maps can refer to this
+attachment.
+
 =cut
 
 # the following variables are defined in .xs and must not be re-created
@@ -243,51 +284,56 @@
 }
 
 sub _attach_attachment {
-   my ($klass, $obj, $name, @args) = q_;
+   my ($obj, $name, %arg) = @_;
+
+   return if exists $obj->{_attachment}{$name};
 
    my $res;
 
    if (my $attach = $attachment{$name}) {
       my $registry = $obj->registry;
 
-      $res = _attach @$registry, $klass, @$attach;
-
-      if (my $cb = delete $registry->[EVENT_OBJECT_INSTANTIATE]) {
-         for (@$cb) {
-            eval { $_->[1]->($obj, @args); };
-            if ($@) {
-               warn "$@";
-               warn "... while processing '$name' instantiate with args <@args>.\n";
-            }
-         }
+      for (@$attach) {
+         my ($klass, @attach) = @$_;
+         $res = _attach @$registry, $klass, @attach;
       }
+
+      $obj->{$name} = \%arg;
    } else {
       warn "object uses attachment '$name' that is not available, postponing.\n";
    }
 
-   push @{$obj->{_attachment}}, $name;
+   $obj->{_attachment}{$name} = undef;
 
    $res->{attachment} = $name;
    $res
 }
 
-sub cf::object::attach {
-   my ($obj, $name, @args) = @_;
+*cf::object::attach =
+*cf::player::attach =
+*cf::map::attach = sub {
+   my ($obj, $name, %arg) = @_;
 
-   _attach_attachment KLASS_OBJECT, $obj, $name, @args;
-}
+   _attach_attachment $obj, $name, %arg;
+};
 
-sub cf::player::attach {
-   my ($obj, $name, @args) = @_;
+# all those should be optimised
+*cf::object::detach =
+*cf::player::detach =
+*cf::map::detach = sub {
+   my ($obj, $name) = @_;
 
-   _attach_attachment KLASS_PLAYER, $obj, $name, @args;
-}
+   delete $obj->{_attachment}{$name};
+   reattach ($obj);
+};
 
-sub cf::map::attach {
-   my ($obj, $name, @args) = @_;
+*cf::object::attached =
+*cf::player::attached =
+*cf::map::attached = sub {
+   my ($obj, $name) = @_;
 
-   _attach_attachment KLASS_MAP, $obj, $name, @args;
-}
+   exists $obj->{_attachment}{$name}
+};
 
 sub attach_global {
    _attach @CB_GLOBAL, KLASS_GLOBAL, @_
@@ -295,8 +341,9 @@
 
 sub attach_to_type {
    my $type = shift;
+   my $subtype = shift;
 
-   _attach @{$CB_TYPE[$type]}, KLASS_OBJECT, @_
+   _attach @{$CB_TYPE[$type + $subtype * NUM_SUBTYPES]}, KLASS_OBJECT, @_
 }
 
 sub attach_to_objects {
@@ -314,7 +361,19 @@
 sub register_attachment {
    my $name = shift;
 
-   $attachment{$name} = [@_];
+   $attachment{$name} = [[KLASS_OBJECT, @_]];
+}
+
+sub register_player_attachment {
+   my $name = shift;
+
+   $attachment{$name} = [[KLASS_PLAYER, @_]];
+}
+
+sub register_map_attachment {
+   my $name = shift;
+
+   $attachment{$name} = [[KLASS_MAP, @_]];
 }
 
 our $override;
@@ -338,7 +397,7 @@
 
       if ($@) {
          warn "$@";
-         warn "... while processing $EVENT[$event][0] event, skipping processing altogether.\n";
+         warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
          override;
       }
 
@@ -348,6 +407,44 @@
    0
 }
 
+=item $bool = cf::invoke EVENT_GLOBAL_XXX, ...
+
+=item $bool = $object->invoke (EVENT_OBJECT_XXX, ...)
+
+=item $bool = $player->invoke (EVENT_PLAYER_XXX, ...)
+
+=item $bool = $map->invoke (EVENT_MAP_XXX, ...)
+
+Generate a global/object/player/map-specific event with the given arguments.
+
+This API is preliminary (most likely, the EVENT_KLASS_xxx prefix will be
+removed in future versions), and there is no public API to access override
+results (if you must, access C<@cf::invoke_results> directly).
+
+=back
+
+#############################################################################
+
+=head2 METHODS VALID FOR ALL CORE OBJECTS
+
+=over 4
+
+=item $object->valid, $player->valid, $map->valid
+
+Just because you have a perl object does not mean that the corresponding
+C-level object still exists. If you try to access an object that has no
+valid C counterpart anymore you get an exception at runtime. This method
+can be used to test for existence of the C object part without causing an
+exception.
+
+=back
+
+=cut
+
+*cf::object::valid =
+*cf::player::valid =
+*cf::map::valid = \&cf::_valid;
+
 #############################################################################
 # object support
 
@@ -358,54 +455,80 @@
 
    for (@$data) {
       my ($name, $args) = @$_;
-      attach $obj, $name, @{$args || [] };
+
+      $obj->attach ($name, %{$args || {} });
    }
 }
 
 # basically do the same as instantiate, without calling instantiate
 sub reattach {
-   warn "reattach<@_>\n";#d#
    my ($obj) = @_;
    my $registry = $obj->registry;
 
-   for my $name (@{ $obj->{_attachment} }) {
+   @$registry = ();
+
+   delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} || {} };
+
+   for my $name (keys %{ $obj->{_attachment} || {} }) {
       if (my $attach = $attachment{$name}) {
-         _attach @$registry, KLASS_OBJECT, @$attach;
+         for (@$attach) {
+            my ($klass, @attach) = @$_;
+            _attach @$registry, $klass, @attach;
+         }
       } else {
          warn "object uses attachment '$name' that is not available, postponing.\n";
       }
    }
-
-   warn "reattach<@_, $_>\n";
 }
 
 sub object_freezer_save {
-   my ($filename, $objs) = @_;
-   warn "freeze $filename\n";#d#
-   use Data::Dumper; print Dumper $objs;
-
-   $filename .= ".pst";
-
-   if (@$objs) {
-      open my $fh, ">:raw", "$filename~";
-      chmod $fh, SAVE_MODE;
-      syswrite $fh, Storable::nfreeze { version => 1, objs => $objs };
-      close $fh;
-      rename "$filename~", $filename;
+   my ($filename, $rdata, $objs) = @_;
+
+   if (length $$rdata) {
+      warn sprintf "saving %s (%d,%d)\n",
+         $filename, length $$rdata, scalar @$objs;
+
+      if (open my $fh, ">:raw", "$filename~") {
+         chmod SAVE_MODE, $fh;
+         syswrite $fh, $$rdata;
+         close $fh;
+
+         if (@$objs && open my $fh, ">:raw", "$filename.pst~") {
+            chmod SAVE_MODE, $fh;
+            syswrite $fh, Storable::nfreeze { version => 1, objs => $objs };
+            close $fh;
+            rename "$filename.pst~", "$filename.pst";
+         } else {
+            unlink "$filename.pst";
+         }
+
+         rename "$filename~", $filename;
+      } else {
+         warn "FATAL: $filename~: $!\n";
+      }
    } else {
       unlink $filename;
+      unlink "$filename.pst";
    }
 }
 
 sub object_thawer_load {
    my ($filename) = @_;
 
-   warn "thaw $filename\n";#d#
+   local $/;
 
-   open my $fh, "<:raw:perlio", "$filename.pst"
-      or return;
+   my $av;
 
-   eval { local $/; (Storable::thaw <$fh>)->{objs} }
+   #TODO: use sysread etc.
+   if (open my $data, "<:raw:perlio", $filename) {
+      $data = <$data>;
+      if (open my $pst, "<:raw:perlio", "$filename.pst") {
+         $av = eval { (Storable::thaw <$pst>)->{objs} };
+      }
+      return ($data, $av);
+   }
+
+   ()
 }
 
 attach_to_objects
@@ -414,14 +537,11 @@
       my ($src, $dst) = @_;
 
       @{$dst->registry} = @{$src->registry};
-      warn "registry clone ", join ":", @{$src->registry};#d#
 
       %$dst = %$src;
 
-      $dst->{_attachment} = [@{ $src->{_attachment} }]
+      %{$dst->{_attachment}} = %{$src->{_attachment}}
          if exists $src->{_attachment};
-
-      warn "clone<@_>\n";#d#
    },
 ;
 
@@ -565,79 +685,6 @@
    }
 }
 
-sub _perl_reload(&) {
-   my ($msg) = @_;
-
-   $msg->("reloading...");
-
-   eval {
-      # 1. cancel all watchers
-      $_->cancel for Event::all_watchers;
-
-      # 2. unload all extensions
-      for (@exts) {
-         $msg->("unloading <$_>");
-         unload_extension $_;
-      }
-
-      # 3. unload all modules loaded from $LIBDIR
-      while (my ($k, $v) = each %INC) {
-         next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
-
-         $msg->("removing <$k>");
-         delete $INC{$k};
-
-         $k =~ s/\.pm$//;
-         $k =~ s/\//::/g;
-
-         if (my $cb = $k->can ("unload_module")) {
-            $cb->();
-         }
-
-         Symbol::delete_package $k;
-      }
-
-      # 4. get rid of safe::, as good as possible
-      Symbol::delete_package "safe::$_"
-         for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region);
-
-      # 5. remove register_script_function callbacks
-      # TODO
-      
-      # 6. unload cf.pm "a bit"
-      delete $INC{"cf.pm"};
-
-      # don't, removes xs symbols, too,
-      # and global variables created in xs
-      #Symbol::delete_package __PACKAGE__;
-
-      # 7. reload cf.pm
-      $msg->("reloading cf.pm");
-      require cf;
-   };
-   $msg->($@) if $@;
-
-   $msg->("reloaded");
-};
-
-sub perl_reload() {
-   _perl_reload {
-      warn $_[0];
-      print "$_[0]\n";
-   };
-}
-
-register_command "perl-reload", 0, sub {
-   my ($who, $arg) = @_;
-
-   if ($who->flag (FLAG_WIZ)) {
-      _perl_reload {
-         warn $_[0];
-         $who->message ($_[0]);
-      };
-   }
-};
-
 #############################################################################
 # extcmd framework, basically convert ext <msg>
 # into pkg::->on_extcmd_arg1 (...) while shortcutting a few
@@ -671,28 +718,9 @@
    my $path = $map->tmpname;
    defined $path or return;
 
-   unlink "$path.cfperl";
    unlink "$path.pst";
 };
 
-*cf::mapsupport::on_swapin =
-*cf::mapsupport::on_load = sub {
-   my ($map) = @_;
-
-   my $path = $map->tmpname;
-   $path = $map->path unless defined $path;
-
-   open my $fh, "<:raw", "$path.cfperl"
-      or return; # no perl data
-
-   my $data = Storable::thaw do { local $/; <$fh> };
-
-   $data->{version} <= 1
-      or return; # too new
-
-   $map->_set_obs ($data->{obs});
-};
-
 attach_to_maps prio => -10000, package => cf::mapsupport::;
 
 #############################################################################
@@ -702,6 +730,7 @@
    @_, map all_objects ($_->inv), @_
 }
 
+# TODO: compatibility cruft, remove when no longer needed
 attach_to_players
    on_load => sub {
       my ($pl, $path) = @_;
@@ -717,7 +746,12 @@
 ;
 
 #############################################################################
-# core extensions - in perl
+
+=head2 CORE EXTENSIONS
+
+Functions and methods that extend core crossfire objects.
+
+=over 4
 
 =item cf::player::exists $login
 
@@ -767,8 +801,21 @@
    $self->send ("ext " . to_json \%msg);
 }
 
+=back
+
+=cut
+
 #############################################################################
-# map scripting support
+
+=head2 SAFE SCRIPTING
+
+Functions that provide a safe environment to compile and execute
+snippets of perl code without them endangering the safety of the server
+itself. Looping constructs, I/O operators and other built-in functionality
+is not available in the safe scripting environment, and the number of
+functions and methods that cna be called is greatly reduced.
+
+=cut
 
 our $safe = new Safe "safe";
 our $safe_hole = new Safe::Hole;
@@ -779,6 +826,16 @@
 
 # here we export the classes and methods available to script code
 
+=pod
+
+The following fucntions and emthods are available within a safe environment:
+
+  cf::object contr pay_amount pay_player
+  cf::object::player player
+  cf::player peaceful
+
+=cut
+
 for (
    ["cf::object"         => qw(contr pay_amount pay_player)],
    ["cf::object::player" => qw(player)],
@@ -790,6 +847,18 @@
       for @funs;
 }
 
+=over 4
+
+=item @retval = safe_eval $code, [var => value, ...]
+
+Compiled and executes the given perl code snippet. additional var/value
+pairs result in temporary local (my) scalar variables of the given name
+that are available in the code snippet. Example:
+
+   my $five = safe_eval '$first + $second', first => 1, second => 4;
+
+=cut
+
 sub safe_eval($;@) {
    my ($code, %vars) = @_;
 
@@ -821,6 +890,21 @@
    wantarray ? @res : $res[0]
 }
 
+=item cf::register_script_function $function => $cb
+
+Register a function that can be called from within map/npc scripts. The
+function should be reasonably secure and should be put into a package name
+like the extension.
+
+Example: register a function that gets called whenever a map script calls
+C<rent::overview>, as used by the C<rent> extension.
+
+   cf::register_script_function "rent::overview" => sub {
+     ...
+   };
+
+=cut
+
 sub register_script_function {
    my ($fun, $cb) = @_;
 
@@ -828,22 +912,215 @@
    *{"safe::$fun"} = $safe_hole->wrap ($cb);
 }
 
+=back
+
+#############################################################################
+
+=head2 EXTENSION DATABASE SUPPORT
+
+Crossfire maintains a very simple database for extension use. It can
+currently store anything that can be serialised using Storable, which
+excludes objects.
+
+The parameter C<$family> should best start with the name of the extension
+using it, it should be unique.
+
+=over 4
+
+=item $hashref = cf::db_get $family
+
+Return a hashref for use by the extension C<$family>, which can be
+modified. After modifications, you have to call C<cf::db_dirty> or
+C<cf::db_sync>.
+
+=item $value = cf::db_get $family => $key
+
+Returns a single value from the database
+
+=item cf::db_put $family => $hashref
+
+Stores the given family hashref into the database. Updates are delayed, if
+you want the data to be synced to disk immediately, use C<cf::db_sync>.
+
+=item cf::db_put $family => $key => $value
+
+Stores the given C<$value> in the family hash. Updates are delayed, if you
+want the data to be synced to disk immediately, use C<cf::db_sync>.
+
+=item cf::db_dirty
+
+Marks the database as dirty, to be updated at a later time.
+
+=item cf::db_sync
+
+Immediately write the database to disk I<if it is dirty>.
+
+=cut
+
+{
+   my $db;
+   my $path = cf::localdir . "/database.pst";
+
+   sub db_load() {
+      warn "loading database $path\n";#d# remove later
+      $db = stat $path ? Storable::retrieve $path : { };
+   }
+
+   my $pid;
+
+   sub db_save() {
+      warn "saving database $path\n";#d# remove later
+      waitpid $pid, 0 if $pid;
+      if (0 == ($pid = fork)) {
+         $db->{_meta}{version} = 1;
+         Storable::nstore $db, "$path~";
+         rename "$path~", $path;
+         cf::_exit 0 if defined $pid;
+      }
+   }
+
+   my $dirty;
+
+   sub db_sync() {
+      db_save if $dirty;
+      undef $dirty;
+   }
+
+   my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, cb => sub {
+      db_sync;
+   });
+
+   sub db_dirty() {
+      $dirty = 1;
+      $idle->start;
+   }
+
+   sub db_get($;$) {
+      @_ >= 2
+         ? $db->{$_[0]}{$_[1]}
+         : ($db->{$_[0]} ||= { })
+   }
+
+   sub db_put($$;$) {
+      if (@_ >= 3) {
+         $db->{$_[0]}{$_[1]} = $_[2];
+      } else {
+         $db->{$_[0]} = $_[1];
+      }
+      db_dirty;
+   }
+
+   attach_global
+      prio => 10000,
+      on_cleanup => sub {
+         db_sync;
+      },
+   ;
+}
+
 #############################################################################
 # the server's main()
 
 sub main {
+   db_load;
+   load_extensions;
    Event::loop;
 }
 
 #############################################################################
 # initialisation
 
+sub _perl_reload(&) {
+   my ($msg) = @_;
+
+   $msg->("reloading...");
+
+   eval {
+      # cancel all watchers
+      $_->cancel for Event::all_watchers;
+
+      # unload all extensions
+      for (@exts) {
+         $msg->("unloading <$_>");
+         unload_extension $_;
+      }
+
+      # unload all modules loaded from $LIBDIR
+      while (my ($k, $v) = each %INC) {
+         next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
+
+         $msg->("removing <$k>");
+         delete $INC{$k};
+
+         $k =~ s/\.pm$//;
+         $k =~ s/\//::/g;
+
+         if (my $cb = $k->can ("unload_module")) {
+            $cb->();
+         }
+
+         Symbol::delete_package $k;
+      }
+
+      # sync database to disk
+      cf::db_sync;
+
+      # get rid of safe::, as good as possible
+      Symbol::delete_package "safe::$_"
+         for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region);
+
+      # remove register_script_function callbacks
+      # TODO
+      
+      # unload cf.pm "a bit"
+      delete $INC{"cf.pm"};
+
+      # don't, removes xs symbols, too,
+      # and global variables created in xs
+      #Symbol::delete_package __PACKAGE__;
+
+      # reload cf.pm
+      $msg->("reloading cf.pm");
+      require cf;
+
+      # load database again
+      cf::db_load;
+
+      # load extensions
+      $msg->("load extensions");
+      cf::load_extensions;
+
+      # reattach attachments to objects
+      $msg->("reattach");
+      _global_reattach;
+   };
+   $msg->($@) if $@;
+
+   $msg->("reloaded");
+};
+
+sub perl_reload() {
+   _perl_reload {
+      warn $_[0];
+      print "$_[0]\n";
+   };
+}
+
+register_command "perl-reload", 0, sub {
+   my ($who, $arg) = @_;
+
+   if ($who->flag (FLAG_WIZ)) {
+      _perl_reload {
+         warn $_[0];
+         $who->message ($_[0]);
+      };
+   }
+};
+
 register "<global>", __PACKAGE__;
 
 unshift @INC, $LIBDIR;
 
-load_extensions;
-
 $TICK_WATCHER = Event->timer (
    prio => 1,
    at   => $NEXT_TICK || 1,