--- deliantra/server/lib/cf.pm	2007/09/12 11:10:11	1.367
+++ deliantra/server/lib/cf.pm	2007/09/13 16:16:01	1.371
@@ -82,6 +82,7 @@
 our $USE_FSYNC = 1; # use fsync to write maps - default off
 
 our $BDB_POLL_WATCHER;
+our $BDB_DEADLOCK_WATCHER;
 our $BDB_CHECKPOINT_WATCHER;
 our $BDB_TRICKLE_WATCHER;
 our $DB_ENV;
@@ -2466,21 +2467,27 @@
             my $ob = $obs[rand @obs];
 
             # see if we actually can go there
-            # todo: use ob_blocked to check all tiles of the destination "object"
-            # for suitability.
+            if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
+               $ob = $obs[rand @obs];
+            } else {
+               $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
+            }
+            # else put us there anyways for now #d#
 
             ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
+         } else {
+            ($path, $x, $y) = (undef, undef, undef);
          }
       }
 
       my $map = eval {
-         my $map = cf::map::find $path;
+         my $map = defined $path ? cf::map::find $path : undef;
 
          if ($map) {
             $map = $map->customise_for ($self);
             $map = $check->($map) if $check && $map;
          } else {
-            $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
+            $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
          }
 
          $map
@@ -3460,9 +3467,6 @@
    $signal->wait;
 }
 
-our $stat_fh;
-sysopen $stat_fh, "/tmp/cfstats", Fcntl::O_APPEND | Fcntl::O_CREAT | Fcntl::O_WRONLY, 0600;#d#
-
 $TICK_WATCHER = Event->timer (
    reentrant => 0,
    parked    => 1,
@@ -3476,8 +3480,6 @@
          return;
       }
 
-      my @pl = cf::player::list; my $stats = sprintf "%.2f %d %d %d", $RUNTIME, (scalar @pl), cf::object::actives_size, cf::object::objects_size; #d#
-
       $NOW = $tick_start = Event::time;
 
       cf::server_tick; # one server iteration
@@ -3493,9 +3495,6 @@
          };
       }
 
-#      my $AFTER = Event::time;
-#      warn $AFTER - $NOW;#d#
-
       if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
          $sig->send;
       }
@@ -3515,10 +3514,6 @@
       $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
 
       _post_tick;
-
-      # gather some statistics#d#
-      $stats .= sprintf " %d\n", 10000 * ($NOW - $tick_start);#d#
-      IO::AIO::aio_write $stat_fh, undef, undef, $stats, 0;#d#
    },
 );
 
@@ -3551,6 +3546,10 @@
 
    unless ($DB_ENV) {
       $DB_ENV = BDB::db_env_create;
+      $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
+                          | BDB::LOG_AUTOREMOVE, 1);
+      $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
+      $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
 
       cf::sync_job {
          eval {
@@ -3562,16 +3561,22 @@
                0666;
 
             cf::cleanup "db_env_open($BDBDIR): $!" if $!;
-
-            $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
-                                | BDB::LOG_AUTOREMOVE, 1);
-            $DB_ENV->set_lk_detect;
          };
 
          cf::cleanup "db_env_open(db): $@" if $@;
       };
    }
 
+   $BDB_DEADLOCK_WATCHER = Event->timer (
+      after     => 3,
+      interval  => 1,
+      hard      => 1,
+      prio      => 0,
+      data      => WF_AUTOCANCEL,
+      cb        => sub {
+         BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
+      },
+   );
    $BDB_CHECKPOINT_WATCHER = Event->timer (
       after     => 11,
       interval  => 60,