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/cvs/deliantra/server/ext/map-scheduler.ext
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Comparing deliantra/server/ext/map-scheduler.ext (file contents):
Revision 1.1 by root, Mon Jan 1 11:21:54 2007 UTC vs.
Revision 1.10 by root, Thu Jan 4 01:35:55 2007 UTC

1#! perl 1#! perl
2 2
3# this extension swaps out maps and resets them, in essence managing 3# this extension swaps out maps and resets them, in essence managing
4# the reset/swap policy of the server. 4# the reset/swap policy of the server.
5 5
6our $DEACTIVATE_TIMEOUT = 60; # number of seconds after which maps get deactivated to save cpu 6our $DEACTIVATE_TIMEOUT = 20; # number of seconds after which maps get deactivated to save cpu
7our $SWAP_TIMEOUT = 600; # number of seconds after which maps inactive get swapped out 7our $SWAP_TIMEOUT = 35; # number of seconds after which maps inactive get swapped out
8our $SCHEDULE_INTERVAL = 8; # time the map scheduler sleeps between runs 8our $SCHEDULE_INTERVAL = 2; # time the map scheduler sleeps between runs
9our $SAVE_TIMEOUT = 60; # save maps every n seconds 9our $SAVE_TIMEOUT = 20; # save maps every n seconds
10our $SAVE_INTERVAL = 0.4; # save at max. one map every $SAVE_HOLD 10our $SAVE_INTERVAL = 0.1; # save at max. one map every $SAVE_INTERVAL
11
12$DEACTIVATE_TIMEOUT = 3;#d#
13$SWAP_TIMEOUT = 5;#d#
14$SCHEDULE_INTERVAL = 1;
15 11
16our $SCHEDULER = cf::coro { 12our $SCHEDULER = cf::coro {
17 while () { 13 while () {
18 Coro::Timer::sleep $SCHEDULE_INTERVAL; 14 Coro::Timer::sleep $SCHEDULE_INTERVAL;
19 15
20 for my $map (values %cf::MAP) { 16 # this weird form of iteration over values is used because
17 # the hash changes underneath us frequently, and for
18 # keeps a direct reference to the value without (in 5.8 perls)
19 # keeping a reference, so this is prone to crashes or worse.
20 my @maps = keys %cf::MAP;
21 for (@maps) {
22 my $map = $cf::MAP{$_}
23 or next;
24 $map->valid or next;
25
21 eval { 26 eval {
22 next if $map->in_memory != cf::MAP_IN_MEMORY;
23 next if $map->players;
24 my $last_access = $map->last_access;
25 # not yet, because maps might become visible to players nearby 27 # not yet, because maps might become visible to players nearby
26 # we need a tiled meta map for this to work 28 # we need to remove the map from %cf::MAP and all tiled map links
27# if ($last_access + $DEACTIVATE_TIMEOUT <= $cf::RUNTIME) { 29# if ($last_access + $DEACTIVATE_TIMEOUT <= $cf::RUNTIME) {
28# $map->deactivate; 30# $map->deactivate;
29# delete $map->{active}; 31# delete $map->{active};
30# } 32# }
31 if ($map->should_reset) { 33 if ($map->should_reset) {
32 $map->reset; 34 $map->reset;
35 } elsif ($map->in_memory == cf::MAP_IN_MEMORY) {
33 } elsif ($last_access + $SWAP_TIMEOUT <= $cf::RUNTIME) { 36 if ($map->last_access + $SWAP_TIMEOUT <= $cf::RUNTIME && !$map->players) {
34 $map->swap_out; 37 $map->swap_out;
35 Coro::Timer::sleep $SAVE_INTERVAL; 38 Coro::Timer::sleep $SAVE_INTERVAL;
36 } elsif ($map->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) { 39 } elsif ($map->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) {
37 $map->save; 40 $map->save;
38 Coro::Timer::sleep $SAVE_INTERVAL; 41 Coro::Timer::sleep $SAVE_INTERVAL;
42 }
39 } 43 }
40 }; 44 };
41 warn $@ if $@; 45 warn $@ if $@;
42 Coro::cede; 46 Coro::cede;
43 } 47 };
44 } 48 }
45}; 49};
50
46$SCHEDULER->prio (-2); 51$SCHEDULER->prio (-2);
47 52

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