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root |
1.22 |
#! perl # MANDATORY |
2 |
root |
1.1 |
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3 |
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# this extension swaps out maps and resets them, in essence managing |
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# the reset/swap policy of the server. |
5 |
root |
1.18 |
# it also contains the map prefetching logic |
6 |
root |
1.1 |
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7 |
root |
1.24 |
#our $DEACTIVATE_TIMEOUT = 20; # number of seconds after which maps get deactivated to save cpu |
8 |
root |
1.10 |
our $SWAP_TIMEOUT = 35; # number of seconds after which maps inactive get swapped out |
9 |
root |
1.7 |
our $SCHEDULE_INTERVAL = 2; # time the map scheduler sleeps between runs |
10 |
root |
1.10 |
our $SAVE_TIMEOUT = 20; # save maps every n seconds |
11 |
root |
1.1 |
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12 |
root |
1.17 |
cf::async_ext { |
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root |
1.12 |
$Coro::current->prio (Coro::PRIO_MIN); |
14 |
root |
1.14 |
# load the header of swapped-out maps. |
15 |
root |
1.12 |
# this is not a correctness issue, it simply saves diskspace |
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# because old files will get cleaned up on reset time |
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root |
1.16 |
Coro::Timer::sleep 1; |
18 |
root |
1.12 |
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19 |
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my $files = Coro::AIO::aio_readdir cf::localdir . "/" . cf::tmpdir; |
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21 |
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for my $map (@$files) { |
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utf8::decode $map; |
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next if $map =~ /\.(?:pst|meta)$/; |
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$map =~ s/∕/\//g; |
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root |
1.23 |
$map =~ s/\.map$//; |
26 |
root |
1.12 |
cf::map::find $map; |
27 |
root |
1.21 |
$cf::WAIT_FOR_TICK_ONE->wait; |
28 |
root |
1.12 |
} |
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#TODO: should also preload random maps... |
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}; |
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root |
1.17 |
our $SCHEDULER = cf::async_ext { |
34 |
root |
1.24 |
my $schedule_interval = Coro::Event->timer (after => 1, interval => $SCHEDULE_INTERVAL); |
35 |
root |
1.1 |
while () { |
36 |
root |
1.24 |
$schedule_interval->next; |
37 |
root |
1.1 |
|
38 |
root |
1.9 |
# this weird form of iteration over values is used because |
39 |
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# the hash changes underneath us frequently, and for |
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# keeps a direct reference to the value without (in 5.8 perls) |
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# keeping a reference, so this is prone to crashes or worse. |
42 |
root |
1.8 |
my @maps = keys %cf::MAP; |
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for (@maps) { |
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my $map = $cf::MAP{$_} |
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or next; |
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$map->valid or next; |
47 |
root |
1.9 |
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48 |
root |
1.1 |
eval { |
49 |
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# not yet, because maps might become visible to players nearby |
50 |
root |
1.3 |
# we need to remove the map from %cf::MAP and all tiled map links |
51 |
root |
1.1 |
# if ($last_access + $DEACTIVATE_TIMEOUT <= $cf::RUNTIME) { |
52 |
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# $map->deactivate; |
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# delete $map->{active}; |
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# } |
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if ($map->should_reset) { |
56 |
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$map->reset; |
57 |
root |
1.3 |
} elsif ($map->in_memory == cf::MAP_IN_MEMORY) { |
58 |
root |
1.6 |
if ($map->last_access + $SWAP_TIMEOUT <= $cf::RUNTIME && !$map->players) { |
59 |
root |
1.20 |
$cf::WAIT_FOR_TICK_ONE->wait; |
60 |
root |
1.3 |
$map->swap_out; |
61 |
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} elsif ($map->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) { |
62 |
root |
1.20 |
$cf::WAIT_FOR_TICK_ONE->wait; |
63 |
root |
1.3 |
$map->save; |
64 |
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} |
65 |
root |
1.1 |
} |
66 |
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}; |
67 |
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warn $@ if $@; |
68 |
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Coro::cede; |
69 |
root |
1.8 |
}; |
70 |
root |
1.1 |
} |
71 |
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}; |
72 |
root |
1.5 |
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73 |
root |
1.1 |
$SCHEDULER->prio (-2); |
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