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/cvs/deliantra/server/ext/map-scheduler.ext
Revision: 1.8
Committed: Wed Jan 3 03:04:12 2007 UTC (17 years, 4 months ago) by root
Branch: MAIN
Changes since 1.7: +6 -2 lines
Log Message:
make the map scheduelr more robust w.r.t. map resets while it is iterating over maps (perl bug workaround)

File Contents

# User Rev Content
1 root 1.1 #! perl
2    
3     # this extension swaps out maps and resets them, in essence managing
4     # the reset/swap policy of the server.
5    
6 root 1.7 our $DEACTIVATE_TIMEOUT = 20; # number of seconds after which maps get deactivated to save cpu
7     our $SWAP_TIMEOUT = 50; # number of seconds after which maps inactive get swapped out
8     our $SCHEDULE_INTERVAL = 2; # time the map scheduler sleeps between runs
9     our $SAVE_TIMEOUT = 30; # save maps every n seconds
10     our $SAVE_INTERVAL = 0.3; # save at max. one map every $SAVE_INTERVAL
11 root 1.1
12     our $SCHEDULER = cf::coro {
13     while () {
14     Coro::Timer::sleep $SCHEDULE_INTERVAL;
15    
16 root 1.8 my @maps = keys %cf::MAP;
17     for (@maps) {
18     my $map = $cf::MAP{$_}
19     or next;
20     $map->valid or next;
21 root 1.1 eval {
22     # not yet, because maps might become visible to players nearby
23 root 1.3 # we need to remove the map from %cf::MAP and all tiled map links
24 root 1.1 # if ($last_access + $DEACTIVATE_TIMEOUT <= $cf::RUNTIME) {
25     # $map->deactivate;
26     # delete $map->{active};
27     # }
28     if ($map->should_reset) {
29     $map->reset;
30 root 1.3 } elsif ($map->in_memory == cf::MAP_IN_MEMORY) {
31 root 1.6 if ($map->last_access + $SWAP_TIMEOUT <= $cf::RUNTIME && !$map->players) {
32 root 1.3 $map->swap_out;
33     Coro::Timer::sleep $SAVE_INTERVAL;
34     } elsif ($map->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) {
35     $map->save;
36     Coro::Timer::sleep $SAVE_INTERVAL;
37     }
38 root 1.1 }
39     };
40     warn $@ if $@;
41     Coro::cede;
42 root 1.8 };
43 root 1.1 }
44     };
45 root 1.5
46 root 1.1 $SCHEDULER->prio (-2);
47