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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 1.2 by root, Mon Jan 1 12:28:46 2007 UTC vs.
Revision 1.9 by root, Wed Jan 3 12:33:33 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 = 50; # 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 = 30; # save maps every n seconds
10our $SAVE_INTERVAL = 0.4; # save at max. one map every $SAVE_HOLD 10our $SAVE_INTERVAL = 0.3; # 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->players;
23 my $last_access = $map->last_access;
24 # not yet, because maps might become visible to players nearby 27 # not yet, because maps might become visible to players nearby
25 # we need a tiled meta map for this to work 28 # we need to remove the map from %cf::MAP and all tiled map links
26# if ($last_access + $DEACTIVATE_TIMEOUT <= $cf::RUNTIME) { 29# if ($last_access + $DEACTIVATE_TIMEOUT <= $cf::RUNTIME) {
27# $map->deactivate; 30# $map->deactivate;
28# delete $map->{active}; 31# delete $map->{active};
29# } 32# }
30 if ($map->should_reset) { 33 if ($map->should_reset) {
31 $map->reset; 34 $map->reset;
35 } elsif ($map->in_memory == cf::MAP_IN_MEMORY) {
32 } elsif ($last_access + $SWAP_TIMEOUT <= $cf::RUNTIME) { 36 if ($map->last_access + $SWAP_TIMEOUT <= $cf::RUNTIME && !$map->players) {
33 $map->swap_out; 37 $map->swap_out;
34 Coro::Timer::sleep $SAVE_INTERVAL; 38 Coro::Timer::sleep $SAVE_INTERVAL;
35 } elsif ($map->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) { 39 } elsif ($map->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) {
36 $map->save; 40 $map->save;
37 Coro::Timer::sleep $SAVE_INTERVAL; 41 Coro::Timer::sleep $SAVE_INTERVAL;
42 }
38 } 43 }
39 }; 44 };
40 warn $@ if $@; 45 warn $@ if $@;
41 Coro::cede; 46 Coro::cede;
42 } 47 };
43 } 48 }
44}; 49};
50
45$SCHEDULER->prio (-2); 51$SCHEDULER->prio (-2);
46 52

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