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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 1.20 by root, Tue Jan 9 21:32:42 2007 UTC vs.
Revision 1.24 by root, Mon Jan 22 03:44:41 2007 UTC

1#! perl 1#! perl # MANDATORY
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# it also contains the map prefetching logic
6 6
7our $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
8our $SWAP_TIMEOUT = 35; # number of seconds after which maps inactive get swapped out 8our $SWAP_TIMEOUT = 35; # number of seconds after which maps inactive get swapped out
9our $SCHEDULE_INTERVAL = 2; # time the map scheduler sleeps between runs 9our $SCHEDULE_INTERVAL = 2; # time the map scheduler sleeps between runs
10our $SAVE_TIMEOUT = 20; # save maps every n seconds 10our $SAVE_TIMEOUT = 20; # save maps every n seconds
11 11
12cf::async_ext { 12cf::async_ext {
20 20
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 $map =~ s/\.map$//;
25 cf::map::find $map; 26 cf::map::find $map;
26 Coro::Timer::sleep 0.3; 27 $cf::WAIT_FOR_TICK_ONE->wait;
27 } 28 }
28 29
29 #TODO: should also preload random maps... 30 #TODO: should also preload random maps...
30}; 31};
31 32
32our $SCHEDULER = cf::async_ext { 33our $SCHEDULER = cf::async_ext {
34 my $schedule_interval = Coro::Event->timer (after => 1, interval => $SCHEDULE_INTERVAL);
33 while () { 35 while () {
34 Coro::Timer::sleep $SCHEDULE_INTERVAL; 36 $schedule_interval->next;
35 37
36 # this weird form of iteration over values is used because 38 # this weird form of iteration over values is used because
37 # the hash changes underneath us frequently, and for 39 # the hash changes underneath us frequently, and for
38 # keeps a direct reference to the value without (in 5.8 perls) 40 # keeps a direct reference to the value without (in 5.8 perls)
39 # keeping a reference, so this is prone to crashes or worse. 41 # keeping a reference, so this is prone to crashes or worse.
68 } 70 }
69}; 71};
70 72
71$SCHEDULER->prio (-2); 73$SCHEDULER->prio (-2);
72 74
73# map load prefetch for tiled maps, possibly exits, too
74cf::map->attach (
75 on_enter => sub {
76 my ($map, $pl) = @_;
77
78 (cf::async {
79 my @diag; # diagonal neighbours
80
81 for (0 .. 3) {
82 my $neigh = $map->tile_path ($_)
83 or next;
84 $neigh = cf::map::find $neigh, $map
85 or next;
86 $neigh->load;
87
88 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
89 [$neigh->tile_path (($_ + 1) % 4), $neigh];
90 }
91
92 for (@diag) {
93 my $neigh = cf::map::find @$_
94 or next;
95 $neigh->load;
96 }
97 })->prio (2);
98 # higher prio because prefetching is very important
99 # as it prefetches maps that can make the server block
100 },
101);
102

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