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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.263 by root, Sat May 5 05:40:27 2007 UTC vs.
Revision 1.276 by root, Sun Jun 10 04:05:47 2007 UTC

… …
90our $LINK_MAP; # the special {link} map, which is always available 90our $LINK_MAP; # the special {link} map, which is always available
91 91
92# used to convert map paths into valid unix filenames by replacing / by ∕ 92# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94 94
95our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96our $LOADAVG; # same thing, but with alpha-smoothing
97our $tick_start; # for load detecting purposes
98
95binmode STDOUT; 99binmode STDOUT;
96binmode STDERR; 100binmode STDERR;
97 101
98# read virtual server time, if available 102# read virtual server time, if available
99unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 103unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
… …
139 143
140=item $cf::TICK 144=item $cf::TICK
141 145
142The interval between server ticks, in seconds. 146The interval between server ticks, in seconds.
143 147
148=item $cf::LOADAVG
149
150The current CPU load on the server (alpha-smoothed), as a value between 0
151(none) and 1 (overloaded), indicating how much time is spent on processing
152objects per tick. Healthy values are < 0.5.
153
154=item $cf::LOAD
155
156The raw value load value from the last tick.
157
144=item %cf::CFG 158=item %cf::CFG
145 159
146Configuration for the server, loaded from C</etc/crossfire/config>, or 160Configuration for the server, loaded from C</etc/crossfire/config>, or
147from wherever your confdir points to. 161from wherever your confdir points to.
148 162
… …
173@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 188@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 189@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 190@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 191@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
192@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 193@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179 194
180# we bless all objects into (empty) derived classes to force a method lookup 195# we bless all objects into (empty) derived classes to force a method lookup
181# within the Safe compartment. 196# within the Safe compartment.
182for my $pkg (qw( 197for my $pkg (qw(
183 cf::global cf::attachable 198 cf::global cf::attachable
… …
318 333
319sub sync_job(&) { 334sub sync_job(&) {
320 my ($job) = @_; 335 my ($job) = @_;
321 336
322 if ($Coro::current == $Coro::main) { 337 if ($Coro::current == $Coro::main) {
338 my $time = Event::time;
339
323 # this is the main coro, too bad, we have to block 340 # this is the main coro, too bad, we have to block
324 # till the operation succeeds, freezing the server :/ 341 # till the operation succeeds, freezing the server :/
325 342
326 # TODO: use suspend/resume instead 343 # TODO: use suspend/resume instead
327 # (but this is cancel-safe) 344 # (but this is cancel-safe)
… …
338 355
339 while ($busy) { 356 while ($busy) {
340 Coro::cede or Event::one_event; 357 Coro::cede or Event::one_event;
341 } 358 }
342 359
360 $time = Event::time - $time;
361
362 LOG llevError | logBacktrace, Carp::longmess "long sync job"
363 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365 $tick_start += $time; # do not account sync jobs to server load
366
343 wantarray ? @res : $res[0] 367 wantarray ? @res : $res[0]
344 } else { 368 } else {
345 # we are in another coroutine, how wonderful, everything just works 369 # we are in another coroutine, how wonderful, everything just works
346 370
347 $job->() 371 $job->()
… …
367 391
368 $coro 392 $coro
369} 393}
370 394
371sub write_runtime { 395sub write_runtime {
396 my $runtime = "$LOCALDIR/runtime";
397
398 # first touch the runtime file to show we are still running:
399 # the fsync below can take a very very long time.
400
401 IO::AIO::aio_utime $runtime, undef, undef;
402
372 my $guard = cf::lock_acquire "write_runtime"; 403 my $guard = cf::lock_acquire "write_runtime";
373 404
374 my $runtime = "$LOCALDIR/runtime";
375
376 warn "starting to write runtime...\n";#d#
377 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 405 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
378 or return; 406 or return;
379 407
380 my $value = $cf::RUNTIME + 90 + 10; 408 my $value = $cf::RUNTIME + 90 + 10;
381 # 10 is the runtime save interval, for a monotonic clock 409 # 10 is the runtime save interval, for a monotonic clock
… …
386 414
387 # always fsync - this file is important 415 # always fsync - this file is important
388 aio_fsync $fh 416 aio_fsync $fh
389 and return; 417 and return;
390 418
419 # touch it again to show we are up-to-date
420 aio_utime $fh, undef, undef;
421
391 close $fh 422 close $fh
392 or return; 423 or return;
393 424
394 aio_rename "$runtime~", $runtime 425 aio_rename "$runtime~", $runtime
395 and return; 426 and return;
396 427
397 warn "... done writing runtime.\n";#d# 428 warn "runtime file written.\n";
398 429
399 1 430 1
400} 431}
401 432
402=item cf::datalog type => key => value, ... 433=item cf::datalog type => key => value, ...
… …
595 $registry = $CB_TYPE[$object_type] ||= []; 626 $registry = $CB_TYPE[$object_type] ||= [];
596 627
597 } elsif ($type eq "subtype") { 628 } elsif ($type eq "subtype") {
598 defined $object_type or Carp::croak "subtype specified without type"; 629 defined $object_type or Carp::croak "subtype specified without type";
599 my $object_subtype = shift @arg; 630 my $object_subtype = shift @arg;
600 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 631 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
601 632
602 } elsif ($type eq "package") { 633 } elsif ($type eq "package") {
603 my $pkg = shift @arg; 634 my $pkg = shift @arg;
604 635
605 while (my ($name, $id) = each %cb_id) { 636 while (my ($name, $id) = each %cb_id) {
… …
646 if (ref $_[0]) { 677 if (ref $_[0]) {
647 _object_attach @_; 678 _object_attach @_;
648 } else { 679 } else {
649 _attach shift->_attach_registry, @_; 680 _attach shift->_attach_registry, @_;
650 } 681 }
682 _recalc_want;
651}; 683};
652 684
653# all those should be optimised 685# all those should be optimised
654sub cf::attachable::detach { 686sub cf::attachable::detach {
655 my ($obj, $name) = @_; 687 my ($obj, $name) = @_;
… …
658 delete $obj->{_attachment}{$name}; 690 delete $obj->{_attachment}{$name};
659 reattach ($obj); 691 reattach ($obj);
660 } else { 692 } else {
661 Carp::croak "cannot, currently, detach class attachments"; 693 Carp::croak "cannot, currently, detach class attachments";
662 } 694 }
695 _recalc_want;
663}; 696};
664 697
665sub cf::attachable::attached { 698sub cf::attachable::attached {
666 my ($obj, $name) = @_; 699 my ($obj, $name) = @_;
667 700
… …
840 or return; 873 or return;
841 $av = eval { (Storable::thaw $av)->{objs} }; 874 $av = eval { (Storable::thaw $av)->{objs} };
842 } 875 }
843 876
844 warn sprintf "loading %s (%d)\n", 877 warn sprintf "loading %s (%d)\n",
845 $filename, length $data, scalar @{$av || []};#d# 878 $filename, length $data, scalar @{$av || []};
846 return ($data, $av); 879 return ($data, $av);
847} 880}
848 881
849############################################################################# 882#############################################################################
850# command handling &c 883# command handling &c
… …
1272 my ($self, $merge) = @_; 1305 my ($self, $merge) = @_;
1273 1306
1274 # we have to keep some variables in memory intact 1307 # we have to keep some variables in memory intact
1275 local $self->{path}; 1308 local $self->{path};
1276 local $self->{load_path}; 1309 local $self->{load_path};
1277 local $self->{deny_save};
1278 local $self->{deny_reset};
1279 1310
1280 $self->SUPER::thawer_merge ($merge); 1311 $self->SUPER::thawer_merge ($merge);
1281} 1312}
1282 1313
1283sub normalise { 1314sub normalise {
… …
1383 1414
1384 $_->change_map_light ($change) 1415 $_->change_map_light ($change)
1385 for grep $_->outdoor, values %cf::MAP; 1416 for grep $_->outdoor, values %cf::MAP;
1386} 1417}
1387 1418
1419sub decay_objects {
1420 my ($self) = @_;
1421
1422 return if $self->{deny_reset};
1423
1424 $self->do_decay_objects;
1425}
1426
1388sub unlink_save { 1427sub unlink_save {
1389 my ($self) = @_; 1428 my ($self) = @_;
1390 1429
1391 utf8::encode (my $save = $self->save_path); 1430 utf8::encode (my $save = $self->save_path);
1392 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1431 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
… …
1448 $self->load_header_orig 1487 $self->load_header_orig
1449 or return; 1488 or return;
1450 $self->prepare_orig; 1489 $self->prepare_orig;
1451 } 1490 }
1452 1491
1492 $self->{deny_reset} = 1
1493 if $self->no_reset;
1494
1453 $self->default_region (cf::region::find_by_path $self->{path}) 1495 $self->default_region (cf::region::find_by_path $self->{path})
1454 unless $self->default_region; 1496 unless $self->default_region;
1455 1497
1456 1 1498 1
1457} 1499}
… …
1472 $map->{last_save} = $cf::RUNTIME; 1514 $map->{last_save} = $cf::RUNTIME;
1473 1515
1474 $map->load_header 1516 $map->load_header
1475 or return; 1517 or return;
1476 1518
1477 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1519 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1478 # doing this can freeze the server in a sync job, obviously 1520 # doing this can freeze the server in a sync job, obviously
1479 #$cf::WAIT_FOR_TICK->wait; 1521 #$cf::WAIT_FOR_TICK->wait;
1480 $map->reset; 1522 $map->reset;
1481 undef $guard; 1523 undef $guard;
1482 return find $path; 1524 return find $path;
… …
1549 my ($self, $ob) = @_; 1591 my ($self, $ob) = @_;
1550 1592
1551 return find "~" . $ob->name . "/" . $self->{path} 1593 return find "~" . $ob->name . "/" . $self->{path}
1552 if $self->per_player; 1594 if $self->per_player;
1553 1595
1596# return find "?party/" . $ob->name . "/" . $self->{path}
1597# if $self->per_party;
1598
1554 $self 1599 $self
1555} 1600}
1556 1601
1557# find and load all maps in the 3x3 area around a map 1602# find and load all maps in the 3x3 area around a map
1558sub load_diag { 1603sub load_diag {
… …
1668 1713
1669sub reset_at { 1714sub reset_at {
1670 my ($self) = @_; 1715 my ($self) = @_;
1671 1716
1672 # TODO: safety, remove and allow resettable per-player maps 1717 # TODO: safety, remove and allow resettable per-player maps
1673 return 1e99 if $self->isa ("ext::map_per_player");#d#
1674 return 1e99 if $self->{deny_reset}; 1718 return 1e99 if $self->{deny_reset};
1675 1719
1676 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1720 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1677 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1721 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1678 1722
… …
1689 my ($self) = @_; 1733 my ($self) = @_;
1690 1734
1691 my $lock = cf::lock_acquire "map_data:$self->{path}"; 1735 my $lock = cf::lock_acquire "map_data:$self->{path}";
1692 1736
1693 return if $self->players; 1737 return if $self->players;
1694 return if $self->isa ("ext::map_per_player");#d#
1695 1738
1696 warn "resetting map ", $self->path;#d# 1739 warn "resetting map ", $self->path;
1697 1740
1698 $self->in_memory (cf::MAP_SWAPPED); 1741 $self->in_memory (cf::MAP_SWAPPED);
1699 1742
1700 # need to save uniques path 1743 # need to save uniques path
1701 unless ($self->{deny_save}) { 1744 unless ($self->{deny_save}) {
… …
1733 $cf::MAP{$self->path} = $self; 1776 $cf::MAP{$self->path} = $self;
1734 1777
1735 $self->reset; # polite request, might not happen 1778 $self->reset; # polite request, might not happen
1736} 1779}
1737 1780
1781=item $maps = cf::map::tmp_maps
1782
1783Returns an arrayref with all map paths of currently instantiated and saved
1784maps.
1785
1786=cut
1787
1788sub tmp_maps() {
1789 [
1790 map {
1791 utf8::decode $_;
1792 !/\.(?:pst|meta)$/ && /^$PATH_SEP/o
1793 ? normalise $_
1794 : ()
1795 } @{ aio_readdir $TMPDIR or [] }
1796 ]
1797}
1798
1738=item cf::map::unique_maps 1799=item cf::map::unique_maps
1739 1800
1740Returns an arrayref of paths of all shared maps that have 1801Returns an arrayref of paths of all shared maps that have
1741instantiated unique items. May block. 1802instantiated unique items. May block.
1742 1803
1743=cut 1804=cut
1744 1805
1745sub unique_maps() { 1806sub unique_maps() {
1746 my $files = aio_readdir $UNIQUEDIR 1807 [
1747 or return; 1808 map {
1748
1749 my @paths;
1750
1751 for (@$files) {
1752 utf8::decode $_; 1809 utf8::decode $_;
1753 next if /\.pst$/; 1810 !/\.(?:pst|meta)$/ && /^$PATH_SEP/o
1754 next unless /^$PATH_SEP/o; 1811 ? normalise $_
1755 1812 : ()
1756 push @paths, cf::map::normalise $_; 1813 } @{ aio_readdir $UNIQUEDIR or [] }
1757 } 1814 ]
1758
1759 \@paths
1760} 1815}
1761 1816
1762package cf; 1817package cf;
1763 1818
1764=back 1819=back
… …
1870 $self->deactivate_recursive; 1925 $self->deactivate_recursive;
1871 1926
1872 return if UNIVERSAL::isa $self->map, "ext::map_link"; 1927 return if UNIVERSAL::isa $self->map, "ext::map_link";
1873 1928
1874 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1929 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1875 if $self->map; 1930 if $self->map && $self->map->{path} ne "{link}";
1876 1931
1877 $self->enter_map ($LINK_MAP || link_map, 10, 10); 1932 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1878} 1933}
1879 1934
1880sub cf::object::player::leave_link { 1935sub cf::object::player::leave_link {
1881 my ($self, $map, $x, $y) = @_; 1936 my ($self, $map, $x, $y) = @_;
1937
1938 return unless $self->contr->active;
1882 1939
1883 my $link_pos = delete $self->{_link_pos}; 1940 my $link_pos = delete $self->{_link_pos};
1884 1941
1885 unless ($map) { 1942 unless ($map) {
1886 # restore original map position 1943 # restore original map position
… …
1909 1966
1910 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 1967 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1911 $self->enter_map ($map, $x, $y); 1968 $self->enter_map ($map, $x, $y);
1912} 1969}
1913 1970
1914cf::player->attach (
1915 on_logout => sub {
1916 my ($pl) = @_;
1917
1918 # abort map switching before logout
1919 if ($pl->ob->{_link_pos}) {
1920 cf::sync_job {
1921 $pl->ob->leave_link
1922 };
1923 }
1924 },
1925 on_login => sub {
1926 my ($pl) = @_;
1927
1928 # try to abort aborted map switching on player login :)
1929 # should happen only on crashes
1930 if ($pl->ob->{_link_pos}) {
1931 $pl->ob->enter_link;
1932 (async {
1933 $pl->ob->reply (undef,
1934 "There was an internal problem at your last logout, "
1935 . "the server will try to bring you to your intended destination in a second.",
1936 cf::NDI_RED);
1937 # we need this sleep as the login has a concurrent enter_exit running
1938 # and this sleep increases chances of the player not ending up in scorn
1939 Coro::Timer::sleep 1;
1940 $pl->ob->leave_link;
1941 })->prio (2);
1942 }
1943 },
1944);
1945
1946=item $player_object->goto ($path, $x, $y) 1971=item $player_object->goto ($path, $x, $y[, $check->($map)])
1947 1972
1973Moves the player to the given map-path and coordinates by first freezing
1974her, loading and preparing them map, calling the provided $check callback
1975that has to return the map if sucecssful, and then unfreezes the player on
1976the new (success) or old (failed) map position.
1977
1948=cut 1978=cut
1979
1980our $GOTOGEN;
1949 1981
1950sub cf::object::player::goto { 1982sub cf::object::player::goto {
1951 my ($self, $path, $x, $y) = @_; 1983 my ($self, $path, $x, $y, $check) = @_;
1984
1985 # do generation counting so two concurrent goto's will be executed in-order
1986 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1952 1987
1953 $self->enter_link; 1988 $self->enter_link;
1954 1989
1955 (async { 1990 (async {
1956 my $map = eval { 1991 my $map = eval {
1957 my $map = cf::map::find $path; 1992 my $map = cf::map::find $path;
1993
1994 if ($map) {
1958 $map = $map->customise_for ($self) if $map; 1995 $map = $map->customise_for ($self);
1996 $map = $check->($map) if $check && $map;
1997 } else {
1998 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1999 }
2000
1959 $map 2001 $map
2002 };
2003
2004 if ($@) {
2005 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2006 LOG llevError | logBacktrace, Carp::longmess $@;
1960 } or 2007 }
1961 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1962 2008
2009 if ($gen == $self->{_goto_generation}) {
2010 delete $self->{_goto_generation};
1963 $self->leave_link ($map, $x, $y); 2011 $self->leave_link ($map, $x, $y);
2012 }
1964 })->prio (1); 2013 })->prio (1);
1965} 2014}
1966 2015
1967=item $player_object->enter_exit ($exit_object) 2016=item $player_object->enter_exit ($exit_object)
1968 2017
… …
2453 warn $@ if $@; 2502 warn $@ if $@;
2454 _exit 0; 2503 _exit 0;
2455 } 2504 }
2456} 2505}
2457 2506
2458
2459
2460############################################################################# 2507#############################################################################
2461# the server's init and main functions 2508# the server's init and main functions
2462 2509
2463sub load_facedata($) { 2510sub load_facedata($) {
2464 my ($path) = @_; 2511 my ($path) = @_;
… …
2535sub reload_resources { 2582sub reload_resources {
2536 warn "reloading resource files...\n"; 2583 warn "reloading resource files...\n";
2537 2584
2538 reload_regions; 2585 reload_regions;
2539 reload_facedata; 2586 reload_facedata;
2587 #reload_archetypes;#d#
2540 reload_archetypes; 2588 reload_archetypes;
2541 reload_treasures; 2589 reload_treasures;
2542 2590
2543 warn "finished reloading resource files\n"; 2591 warn "finished reloading resource files\n";
2544} 2592}
… …
2814 my $signal = new Coro::Signal; 2862 my $signal = new Coro::Signal;
2815 push @WAIT_FOR_TICK_BEGIN, $signal; 2863 push @WAIT_FOR_TICK_BEGIN, $signal;
2816 $signal->wait; 2864 $signal->wait;
2817} 2865}
2818 2866
2867 my $min = 1e6;#d#
2868 my $avg = 10;
2819$TICK_WATCHER = Event->timer ( 2869$TICK_WATCHER = Event->timer (
2820 reentrant => 0, 2870 reentrant => 0,
2821 parked => 1, 2871 parked => 1,
2822 prio => 0, 2872 prio => 0,
2823 at => $NEXT_TICK || $TICK, 2873 at => $NEXT_TICK || $TICK,
… …
2827 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 2877 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2828 unless ++$bug_warning > 10; 2878 unless ++$bug_warning > 10;
2829 return; 2879 return;
2830 } 2880 }
2831 2881
2832 $NOW = Event::time; 2882 $NOW = $tick_start = Event::time;
2833 2883
2834 cf::server_tick; # one server iteration 2884 cf::server_tick; # one server iteration
2885
2886 0 && sync_job {#d#
2887 for(1..10) {
2888 my $t = Event::time;
2889 my $map = my $map = new_from_path cf::map "/tmp/x.map"
2890 or die;
2891
2892 $map->width (50);
2893 $map->height (50);
2894 $map->alloc;
2895 $map->_load_objects ("/tmp/x.map", 1);
2896 my $t = Event::time - $t;
2897
2898 #next unless $t < 0.0013;#d#
2899 if ($t < $min) {
2900 $min = $t;
2901 }
2902 $avg = $avg * 0.99 + $t * 0.01;
2903 }
2904 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2905 exit 0;
2906 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2907 };
2835 2908
2836 $RUNTIME += $TICK; 2909 $RUNTIME += $TICK;
2837 $NEXT_TICK += $TICK; 2910 $NEXT_TICK += $TICK;
2838 2911
2839 if ($NOW >= $NEXT_RUNTIME_WRITE) { 2912 if ($NOW >= $NEXT_RUNTIME_WRITE) {
… …
2845 } 2918 }
2846 2919
2847# my $AFTER = Event::time; 2920# my $AFTER = Event::time;
2848# warn $AFTER - $NOW;#d# 2921# warn $AFTER - $NOW;#d#
2849 2922
2923 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2924 $sig->send;
2925 }
2926 while (my $sig = shift @WAIT_FOR_TICK) {
2927 $sig->send;
2928 }
2929
2930 $NOW = Event::time;
2931
2850 # if we are delayed by four ticks or more, skip them all 2932 # if we are delayed by four ticks or more, skip them all
2851 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2933 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2852 2934
2853 $TICK_WATCHER->at ($NEXT_TICK); 2935 $TICK_WATCHER->at ($NEXT_TICK);
2854 $TICK_WATCHER->start; 2936 $TICK_WATCHER->start;
2855 2937
2856 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 2938 $LOAD = ($NOW - $tick_start) / $TICK;
2857 $sig->send; 2939 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2858 }
2859 while (my $sig = shift @WAIT_FOR_TICK) {
2860 $sig->send;
2861 }
2862 2940
2863 _post_tick; 2941 _post_tick;
2942
2943
2864 }, 2944 },
2865); 2945);
2866 2946
2867{ 2947{
2868 BDB::max_poll_time $TICK * 0.1; 2948 BDB::max_poll_time $TICK * 0.1;

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