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. |
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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 |
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11 | |
11 | |
12 | cf::coro { |
12 | cf::async_ext { |
13 | $Coro::current->prio (Coro::PRIO_MIN); |
13 | $Coro::current->prio (Coro::PRIO_MIN); |
14 | # load the header of swapped-out maps. |
14 | # load the header of swapped-out maps. |
15 | # this is not a correctness issue, it simply saves diskspace |
15 | # this is not a correctness issue, it simply saves diskspace |
16 | # because old files will get cleaned up on reset time |
16 | # because old files will get cleaned up on reset time |
17 | Coro::Timer::sleep 1; |
17 | Coro::Timer::sleep 1; |
… | |
… | |
21 | for my $map (@$files) { |
21 | for my $map (@$files) { |
22 | utf8::decode $map; |
22 | utf8::decode $map; |
23 | next if $map =~ /\.(?:pst|meta)$/; |
23 | next if $map =~ /\.(?:pst|meta)$/; |
24 | $map =~ s/∕/\//g; |
24 | $map =~ s/∕/\//g; |
25 | cf::map::find $map; |
25 | cf::map::find $map; |
26 | Coro::Timer::sleep 0.05; |
26 | Coro::Timer::sleep 0.3; |
27 | } |
27 | } |
28 | |
28 | |
29 | #TODO: should also preload random maps... |
29 | #TODO: should also preload random maps... |
30 | }; |
30 | }; |
31 | |
31 | |
32 | our $SCHEDULER = cf::coro { |
32 | our $SCHEDULER = cf::async_ext { |
33 | while () { |
33 | while () { |
34 | Coro::Timer::sleep $SCHEDULE_INTERVAL; |
34 | Coro::Timer::sleep $SCHEDULE_INTERVAL; |
35 | |
35 | |
36 | # this weird form of iteration over values is used because |
36 | # this weird form of iteration over values is used because |
37 | # the hash changes underneath us frequently, and for |
37 | # the hash changes underneath us frequently, and for |
… | |
… | |
52 | # } |
52 | # } |
53 | if ($map->should_reset) { |
53 | if ($map->should_reset) { |
54 | $map->reset; |
54 | $map->reset; |
55 | } elsif ($map->in_memory == cf::MAP_IN_MEMORY) { |
55 | } elsif ($map->in_memory == cf::MAP_IN_MEMORY) { |
56 | if ($map->last_access + $SWAP_TIMEOUT <= $cf::RUNTIME && !$map->players) { |
56 | if ($map->last_access + $SWAP_TIMEOUT <= $cf::RUNTIME && !$map->players) { |
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57 | $cf::WAIT_FOR_TICK_ONE->wait; |
57 | $map->swap_out; |
58 | $map->swap_out; |
58 | Coro::Timer::sleep $SAVE_INTERVAL; |
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59 | } elsif ($map->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) { |
59 | } elsif ($map->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) { |
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60 | $cf::WAIT_FOR_TICK_ONE->wait; |
60 | $map->save; |
61 | $map->save; |
61 | Coro::Timer::sleep $SAVE_INTERVAL; |
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62 | } |
62 | } |
63 | } |
63 | } |
64 | }; |
64 | }; |
65 | warn $@ if $@; |
65 | warn $@ if $@; |
66 | Coro::cede; |
66 | Coro::cede; |
… | |
… | |
73 | # map load prefetch for tiled maps, possibly exits, too |
73 | # map load prefetch for tiled maps, possibly exits, too |
74 | cf::map->attach ( |
74 | cf::map->attach ( |
75 | on_enter => sub { |
75 | on_enter => sub { |
76 | my ($map, $pl) = @_; |
76 | my ($map, $pl) = @_; |
77 | |
77 | |
78 | (Coro::async_pool { |
78 | (cf::async { |
79 | my @diag; # diagonal neighbours |
79 | my @diag; # diagonal neighbours |
80 | |
80 | |
81 | for (0 .. 3) { |
81 | for (0 .. 3) { |
82 | my $neigh = $map->tile_path ($_) |
82 | my $neigh = $map->tile_path ($_) |
83 | or next; |
83 | or next; |