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 | # it also contains the map prefetching logic |
5 | |
6 | |
6 | our $DEACTIVATE_TIMEOUT = 20; # number of seconds after which maps get deactivated to save cpu |
7 | our $DEACTIVATE_TIMEOUT = 20; # number of seconds after which maps get deactivated to save cpu |
7 | our $SWAP_TIMEOUT = 35; # number of seconds after which maps inactive get swapped out |
8 | our $SWAP_TIMEOUT = 35; # number of seconds after which maps inactive get swapped out |
8 | our $SCHEDULE_INTERVAL = 2; # time the map scheduler sleeps between runs |
9 | our $SCHEDULE_INTERVAL = 2; # time the map scheduler sleeps between runs |
9 | our $SAVE_TIMEOUT = 20; # save maps every n seconds |
10 | our $SAVE_TIMEOUT = 20; # save maps every n seconds |
10 | our $SAVE_INTERVAL = 0.1; # save at max. one map every $SAVE_INTERVAL |
|
|
11 | |
11 | |
|
|
12 | cf::async_ext { |
|
|
13 | $Coro::current->prio (Coro::PRIO_MIN); |
|
|
14 | # load the header of swapped-out maps. |
|
|
15 | # this is not a correctness issue, it simply saves diskspace |
|
|
16 | # because old files will get cleaned up on reset time |
|
|
17 | Coro::Timer::sleep 1; |
|
|
18 | |
|
|
19 | my $files = Coro::AIO::aio_readdir cf::localdir . "/" . cf::tmpdir; |
|
|
20 | |
|
|
21 | for my $map (@$files) { |
|
|
22 | utf8::decode $map; |
|
|
23 | next if $map =~ /\.(?:pst|meta)$/; |
|
|
24 | $map =~ s/∕/\//g; |
|
|
25 | cf::map::find $map; |
|
|
26 | $cf::WAIT_FOR_TICK_ONE->wait; |
|
|
27 | } |
|
|
28 | |
|
|
29 | #TODO: should also preload random maps... |
|
|
30 | }; |
|
|
31 | |
12 | our $SCHEDULER = cf::coro { |
32 | our $SCHEDULER = cf::async_ext { |
13 | while () { |
33 | while () { |
14 | Coro::Timer::sleep $SCHEDULE_INTERVAL; |
34 | Coro::Timer::sleep $SCHEDULE_INTERVAL; |
15 | |
35 | |
16 | # this weird form of iteration over values is used because |
36 | # this weird form of iteration over values is used because |
17 | # the hash changes underneath us frequently, and for |
37 | # the hash changes underneath us frequently, and for |
… | |
… | |
32 | # } |
52 | # } |
33 | if ($map->should_reset) { |
53 | if ($map->should_reset) { |
34 | $map->reset; |
54 | $map->reset; |
35 | } elsif ($map->in_memory == cf::MAP_IN_MEMORY) { |
55 | } elsif ($map->in_memory == cf::MAP_IN_MEMORY) { |
36 | if ($map->last_access + $SWAP_TIMEOUT <= $cf::RUNTIME && !$map->players) { |
56 | if ($map->last_access + $SWAP_TIMEOUT <= $cf::RUNTIME && !$map->players) { |
|
|
57 | $cf::WAIT_FOR_TICK_ONE->wait; |
37 | $map->swap_out; |
58 | $map->swap_out; |
38 | Coro::Timer::sleep $SAVE_INTERVAL; |
|
|
39 | } elsif ($map->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) { |
59 | } elsif ($map->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) { |
|
|
60 | $cf::WAIT_FOR_TICK_ONE->wait; |
40 | $map->save; |
61 | $map->save; |
41 | Coro::Timer::sleep $SAVE_INTERVAL; |
|
|
42 | } |
62 | } |
43 | } |
63 | } |
44 | }; |
64 | }; |
45 | warn $@ if $@; |
65 | warn $@ if $@; |
46 | Coro::cede; |
66 | Coro::cede; |