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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

# Content
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 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
12 our $SCHEDULER = cf::coro {
13 while () {
14 Coro::Timer::sleep $SCHEDULE_INTERVAL;
15
16 my @maps = keys %cf::MAP;
17 for (@maps) {
18 my $map = $cf::MAP{$_}
19 or next;
20 $map->valid or next;
21 eval {
22 # not yet, because maps might become visible to players nearby
23 # we need to remove the map from %cf::MAP and all tiled map links
24 # if ($last_access + $DEACTIVATE_TIMEOUT <= $cf::RUNTIME) {
25 # $map->deactivate;
26 # delete $map->{active};
27 # }
28 if ($map->should_reset) {
29 $map->reset;
30 } elsif ($map->in_memory == cf::MAP_IN_MEMORY) {
31 if ($map->last_access + $SWAP_TIMEOUT <= $cf::RUNTIME && !$map->players) {
32 $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 }
39 };
40 warn $@ if $@;
41 Coro::cede;
42 };
43 }
44 };
45
46 $SCHEDULER->prio (-2);
47