[ViewVC] Diff of: cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.111 by root, Mon Jan 1 12:28:47 2007 UTC vs.
Revision 1.115 by root, Mon Jan 1 16:50:10 2007 UTC

 =cut
 sub sync_job(&) {
    my ($job) = @_;
-   my $busy = 1;
-   my @res;
-   my $coro = Coro::async {
-      @res = eval { $job->() };
-      warn $@ if $@;
-      undef $busy;
-   };
    if ($Coro::current == $Coro::main) {
+      # this is the main coro, too bad, we have to block
+      # till the operation succeeds, freezing the server :/
       # TODO: use suspend/resume instead
+      # (but this is cancel-safe)
       local $FREEZE = 1;
+      my $busy = 1;
+      my @res;
+      (Coro::async {
+         @res = eval { $job->() };
+         warn $@ if $@;
+         undef $busy;
-      $coro->prio (Coro::PRIO_MAX);
+      })->prio (Coro::PRIO_MAX);
       while ($busy) {
          Coro::cede_notself;
          Event::one_event unless Coro::nready;
       }
+      wantarray ? @res : $res[0]
    } else {
-      $coro->join;
+      # we are in another coroutine, how wonderful, everything just works
+      $job->()
    }
-   wantarray ? @res : $res[0]
 }
 =item $coro = cf::coro { BLOCK }
 Creates and returns a new coro. This coro is automcatially being canceled
    my $runtime = cf::localdir . "/runtime";
    my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
       or return;
-   my $value = $cf::RUNTIME;
+   my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock
    (aio_write $fh, 0, (length $value), $value, 0) <= 0
       and return;
    aio_fsync $fh
       and return;
    $path = $path->as_string if ref $path;
    my $self = bless { }, $class;
+   # {...        are special paths that are not touched
+   # ?xxx/...    are special absolute paths
+   # ?random/... random maps
+   # /!          non-realised random map exit
+   # /...        normal maps
+   # ~/...       per-player maps without a specific player (DO NOT USE)
+   # ~user/...   per-player map of a specific user
+   if ($path =~ /^{/) {
+      # fine as it is
-   if ($path =~ s{^\?random/}{}) {
+   } elsif ($path =~ s{^\?random/}{}) {
       Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
       $self->{random} = cf::from_json $data;
    } else {
       if ($path =~ s{^~([^/]+)?}{}) {
          $self->{user_rel} = 1;
       or return;
    unless (aio_stat "$filename.pst") {
       (aio_load "$filename.pst", $av) >= 0
          or return;
-      $av = eval { (Storable::thaw <$av>)->{objs} };
+      $av = eval { (Storable::thaw $av)->{objs} };
    }
    return ($data, $av);
 }
 use Fcntl;
 use Coro::AIO;
 our $MAX_RESET     = 7200;
 our $DEFAULT_RESET = 3600;
-$MAX_RESET     = 10;#d#
-$DEFAULT_RESET = 10;#d#
 sub generate_random_map {
    my ($path, $rmp) = @_;
    # mit "rum" bekleckern, nicht
    $map->load_header ($path)
      or return;
    $map->{load_path} = $path;
-   use Data::Dumper; warn Dumper $map;#d#
    $map
 }
 sub find_map {
    my ($path, $origin) = @_;
    #warn "find_map<$path,$origin>\n";#d#
-   $path = ref $path ? $path : new cf::path $path, $origin && $origin->path;
+   $path = new cf::path $path, $origin && $origin->path;
    my $key = $path->as_string;
    $cf::MAP{$key} || do {
       # do it the slow way
       my $map = try_load_header $path->save_path;
       $map->path ($key);
       $map->{path} = $path;
       $map->last_access ($cf::RUNTIME);
-      $map->reset if $map->should_reset;
+      if ($map->should_reset) {
+         $map->reset;
+         $map = find_map $path;
+      }
       $cf::MAP{$key} = $map
    }
 }
    $self->alloc;
    $self->load_objects ($self->{load_path}, 1)
       or return;
-   $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) if delete $self->{load_original};
+   $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
+      if delete $self->{load_original};
    if (my $uniq = $path->uniq_path) {
       utf8::encode $uniq;
       if (aio_open $uniq, O_RDONLY, 0) {
          $self->clear_unique_items;
    $self->{load_path} = $save;
    return if $self->{deny_save};
-   warn "saving map ", $self->path;
    if ($uniq) {
       $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
       $self->save_objects ($uniq, cf::IO_UNIQUES);
    } else {
       $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
    $self->save;
    $self->clear;
    $self->in_memory (cf::MAP_SWAPPED);
 }
+sub reset_at {
+   my ($self) = @_;
+   # TODO: safety, remove and allow resettable per-player maps
+   return 1e99 if $self->{path}{user_rel};
+   return 1e99 if $self->{deny_reset};
+   my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
+   my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
+   $time + $to
+}
 sub should_reset {
-   my ($map) = @_;
+   my ($self) = @_;
-   # TODO: safety, remove and allow resettable per-player maps
+   $self->reset_at <= $cf::RUNTIME
-   return if $map->{path}{user_rel};#d#
-   return if $map->{deny_reset};
-   #return unless $map->reset_timeout;
-   my $time = $map->fixed_resettime ? $map->{instantiate_time} : $map->last_access;
-   my $to = $map->reset_timeout || $DEFAULT_RESET;
-   $to = $MAX_RESET if $to > $MAX_RESET;
-   $time + $to < $cf::RUNTIME
 }
 sub unlink_save {
    my ($self) = @_;
    utf8::encode (my $save = $self->{path}->save_path);
    aioreq_pri 3; IO::AIO::aio_unlink $save;
    aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
 }
+sub rename {
+   my ($self, $new_path) = @_;
+   $self->unlink_save;
+   delete $cf::MAP{$self->path};
+   $self->{path} = new cf::path $new_path;
+   $self->path ($self->{path}->as_string);
+   $cf::MAP{$self->path} = $self;
+   $self->save;
+}
 sub reset {
    my ($self) = @_;
    return if $self->players;
    return if $self->{path}{user_rel};#d#
    $_->clear_links_to ($self) for values %cf::MAP;
    $self->unlink_save;
    $self->destroy;
+}
+my $nuke_counter = "aaaa";
+sub nuke {
+   my ($self) = @_;
+   $self->{deny_save} = 1;
+   $self->reset_timeout (1);
+   $self->rename ("{nuke}/" . ($nuke_counter++));
+   $self->reset; # polite request, might not happen
 }
 sub customise_for {
    my ($map, $ob) = @_;
       (ref $cf::CFG{"may_$access"}
          ? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
          : $cf::CFG{"may_$access"})
 }
+=item $player_object->enter_link
+Freezes the player and moves him/her to a special map (C<{link}>).
+The player should be reaosnably safe there for short amounts of time. You
+I<MUST> call C<leave_link> as soon as possible, though.
+=item $player_object->leave_link ($map, $x, $y)
+Moves the player out of the specila link map onto the given map. If the
+map is not valid (or omitted), the player will be moved back to the
+location he/she was before the call to C<enter_link>, or, if that fails,
+to the emergency map position.
+Might block.
+=cut
 sub cf::object::player::enter_link {
    my ($self) = @_;
    return if $self->map == $LINK_MAP;
    my ($self, $map, $x, $y) = @_;
    my $link_pos = delete $self->{_link_pos};
    unless ($map) {
-      $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
       # restore original map position
       ($map, $x, $y) = @{ $link_pos || [] };
       $map = cf::map::find_map $map;
       unless ($map) {
       my $map = cf::map::find_map $path->as_string;
       $map = $map->customise_for ($self) if $map;
       warn "entering ", $map->path, " at ($x, $y)\n"
          if $map;
+      $map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
       $self->leave_link ($map, $x, $y);
    })->prio (1);
 }
 }
 sub main {
    # we must not ever block the main coroutine
    local $Coro::idle = sub {
-      Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#
+      Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
       (Coro::unblock_sub {
          Event::one_event;
       })->();
    };

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.111 by root, Mon Jan 1 12:28:47 2007 UTC vs. Revision 1.115 by root, Mon Jan 1 16:50:10 2007 UTC

Diff Legend

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.111 by root, Mon Jan 1 12:28:47 2007 UTC vs.
Revision 1.115 by root, Mon Jan 1 16:50:10 2007 UTC