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1 | # |
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2 | # This file is part of Deliantra, the Roguelike Realtime MMORPG. |
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3 | # |
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4 | # Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
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5 | # |
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6 | # Deliantra is free software: you can redistribute it and/or modify |
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7 | # it under the terms of the GNU General Public License as published by |
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8 | # the Free Software Foundation, either version 3 of the License, or |
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9 | # (at your option) any later version. |
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10 | # |
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11 | # This program is distributed in the hope that it will be useful, |
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12 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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14 | # GNU General Public License for more details. |
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15 | # |
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16 | # You should have received a copy of the GNU General Public License |
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17 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
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18 | # |
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19 | # The authors can be reached via e-mail to <support@deliantra.net> |
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20 | # |
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21 | |
1 | package cf; |
22 | package cf; |
2 | |
23 | |
3 | use utf8; |
24 | use utf8; |
4 | use strict; |
25 | use strict; |
5 | |
26 | |
6 | use Symbol; |
27 | use Symbol; |
7 | use List::Util; |
28 | use List::Util; |
8 | use Socket; |
29 | use Socket; |
9 | use EV 1.86; |
30 | use EV 3.2; |
10 | use Opcode; |
31 | use Opcode; |
11 | use Safe; |
32 | use Safe; |
12 | use Safe::Hole; |
33 | use Safe::Hole; |
13 | use Storable (); |
34 | use Storable (); |
14 | |
35 | |
15 | use Coro 4.32 (); |
36 | use Coro 4.50 (); |
16 | use Coro::State; |
37 | use Coro::State; |
17 | use Coro::Handle; |
38 | use Coro::Handle; |
18 | use Coro::EV; |
39 | use Coro::EV; |
19 | use Coro::Timer; |
40 | use Coro::Timer; |
20 | use Coro::Signal; |
41 | use Coro::Signal; |
… | |
… | |
69 | our $RANDOMDIR = "$LOCALDIR/random"; |
90 | our $RANDOMDIR = "$LOCALDIR/random"; |
70 | our $BDBDIR = "$LOCALDIR/db"; |
91 | our $BDBDIR = "$LOCALDIR/db"; |
71 | our %RESOURCE; |
92 | our %RESOURCE; |
72 | |
93 | |
73 | our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) |
94 | our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) |
74 | our $TICK_WATCHER; |
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75 | our $AIO_POLL_WATCHER; |
95 | our $AIO_POLL_WATCHER; |
76 | our $NEXT_RUNTIME_WRITE; # when should the runtime file be written |
96 | our $NEXT_RUNTIME_WRITE; # when should the runtime file be written |
77 | our $NEXT_TICK; |
97 | our $NEXT_TICK; |
78 | our $USE_FSYNC = 1; # use fsync to write maps - default off |
98 | our $USE_FSYNC = 1; # use fsync to write maps - default off |
79 | |
99 | |
… | |
… | |
96 | # used to convert map paths into valid unix filenames by replacing / by ∕ |
116 | # used to convert map paths into valid unix filenames by replacing / by ∕ |
97 | our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons |
117 | our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons |
98 | |
118 | |
99 | our $LOAD; # a number between 0 (idle) and 1 (too many objects) |
119 | our $LOAD; # a number between 0 (idle) and 1 (too many objects) |
100 | our $LOADAVG; # same thing, but with alpha-smoothing |
120 | our $LOADAVG; # same thing, but with alpha-smoothing |
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|
121 | our $JITTER; # average jitter |
101 | our $tick_start; # for load detecting purposes |
122 | our $TICK_START; # for load detecting purposes |
102 | |
123 | |
103 | binmode STDOUT; |
124 | binmode STDOUT; |
104 | binmode STDERR; |
125 | binmode STDERR; |
105 | |
126 | |
106 | # read virtual server time, if available |
127 | # read virtual server time, if available |
… | |
… | |
192 | LOG llevError, $msg; |
213 | LOG llevError, $msg; |
193 | }; |
214 | }; |
194 | } |
215 | } |
195 | |
216 | |
196 | $Coro::State::DIEHOOK = sub { |
217 | $Coro::State::DIEHOOK = sub { |
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218 | return unless $^S eq 0; # "eq", not "==" |
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219 | |
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220 | if ($Coro::current == $Coro::main) {#d# |
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221 | warn "DIEHOOK called in main context, Coro bug?\n";#d# |
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222 | return;#d# |
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223 | }#d# |
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224 | |
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225 | # kill coroutine otherwise |
197 | warn Carp::longmess $_[0]; |
226 | warn Carp::longmess $_[0]; |
198 | Coro::terminate; |
227 | Coro::terminate |
199 | }; |
228 | }; |
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229 | |
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230 | $SIG{__DIE__} = sub { }; #d#? |
200 | |
231 | |
201 | @safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; |
232 | @safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; |
202 | @safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; |
233 | @safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; |
203 | @safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; |
234 | @safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; |
204 | @safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; |
235 | @safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; |
… | |
… | |
329 | |
360 | |
330 | ! ! $LOCK{$key} |
361 | ! ! $LOCK{$key} |
331 | } |
362 | } |
332 | |
363 | |
333 | sub freeze_mainloop { |
364 | sub freeze_mainloop { |
334 | return unless $TICK_WATCHER->is_active; |
365 | tick_inhibit_inc; |
335 | |
366 | |
336 | my $guard = Coro::guard { |
367 | Coro::guard \&tick_inhibit_dec; |
337 | $TICK_WATCHER->start; |
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338 | }; |
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339 | $TICK_WATCHER->stop; |
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340 | $guard |
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341 | } |
368 | } |
342 | |
369 | |
343 | =item cf::periodic $interval, $cb |
370 | =item cf::periodic $interval, $cb |
344 | |
371 | |
345 | Like EV::periodic, but randomly selects a starting point so that the actions |
372 | Like EV::periodic, but randomly selects a starting point so that the actions |
… | |
… | |
400 | } |
427 | } |
401 | } |
428 | } |
402 | }; |
429 | }; |
403 | |
430 | |
404 | sub get_slot($;$$) { |
431 | sub get_slot($;$$) { |
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432 | return if tick_inhibit; |
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433 | |
405 | my ($time, $pri, $name) = @_; |
434 | my ($time, $pri, $name) = @_; |
406 | |
435 | |
407 | $time = $TICK * .6 if $time > $TICK * .6; |
436 | $time = $TICK * .6 if $time > $TICK * .6; |
408 | my $sig = new Coro::Signal; |
437 | my $sig = new Coro::Signal; |
409 | |
438 | |
… | |
… | |
446 | # this is the main coro, too bad, we have to block |
475 | # this is the main coro, too bad, we have to block |
447 | # till the operation succeeds, freezing the server :/ |
476 | # till the operation succeeds, freezing the server :/ |
448 | |
477 | |
449 | LOG llevError, Carp::longmess "sync job";#d# |
478 | LOG llevError, Carp::longmess "sync job";#d# |
450 | |
479 | |
451 | # TODO: use suspend/resume instead |
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452 | # (but this is cancel-safe) |
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453 | my $freeze_guard = freeze_mainloop; |
480 | my $freeze_guard = freeze_mainloop; |
454 | |
481 | |
455 | my $busy = 1; |
482 | my $busy = 1; |
456 | my @res; |
483 | my @res; |
457 | |
484 | |
… | |
… | |
468 | } else { |
495 | } else { |
469 | EV::loop EV::LOOP_ONESHOT; |
496 | EV::loop EV::LOOP_ONESHOT; |
470 | } |
497 | } |
471 | } |
498 | } |
472 | |
499 | |
473 | $time = EV::time - $time; |
500 | my $time = EV::time - $time; |
474 | |
501 | |
475 | LOG llevError | logBacktrace, Carp::longmess "long sync job" |
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476 | if $time > $TICK * 0.5 && $TICK_WATCHER->is_active; |
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477 | |
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478 | $tick_start += $time; # do not account sync jobs to server load |
502 | $TICK_START += $time; # do not account sync jobs to server load |
479 | |
503 | |
480 | wantarray ? @res : $res[0] |
504 | wantarray ? @res : $res[0] |
481 | } else { |
505 | } else { |
482 | # we are in another coroutine, how wonderful, everything just works |
506 | # we are in another coroutine, how wonderful, everything just works |
483 | |
507 | |
… | |
… | |
525 | reset_signals; |
549 | reset_signals; |
526 | &$cb |
550 | &$cb |
527 | }, @args; |
551 | }, @args; |
528 | |
552 | |
529 | wantarray ? @res : $res[-1] |
553 | wantarray ? @res : $res[-1] |
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554 | } |
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555 | |
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556 | =item $coin = coin_from_name $name |
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557 | |
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558 | =cut |
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559 | |
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560 | our %coin_alias = ( |
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561 | "silver" => "silvercoin", |
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562 | "silvercoin" => "silvercoin", |
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563 | "silvercoins" => "silvercoin", |
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564 | "gold" => "goldcoin", |
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565 | "goldcoin" => "goldcoin", |
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566 | "goldcoins" => "goldcoin", |
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567 | "platinum" => "platinacoin", |
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568 | "platinumcoin" => "platinacoin", |
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569 | "platinumcoins" => "platinacoin", |
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570 | "platina" => "platinacoin", |
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571 | "platinacoin" => "platinacoin", |
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572 | "platinacoins" => "platinacoin", |
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573 | "royalty" => "royalty", |
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574 | "royalties" => "royalty", |
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575 | ); |
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576 | |
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577 | sub coin_from_name($) { |
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578 | $coin_alias{$_[0]} |
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579 | ? cf::arch::find $coin_alias{$_[0]} |
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580 | : undef |
530 | } |
581 | } |
531 | |
582 | |
532 | =item $value = cf::db_get $family => $key |
583 | =item $value = cf::db_get $family => $key |
533 | |
584 | |
534 | Returns a single value from the environment database. |
585 | Returns a single value from the environment database. |
… | |
… | |
1306 | my $msg = $@ ? "$v->{path}: $@\n" |
1357 | my $msg = $@ ? "$v->{path}: $@\n" |
1307 | : "$v->{base}: extension inactive.\n"; |
1358 | : "$v->{base}: extension inactive.\n"; |
1308 | |
1359 | |
1309 | if (exists $v->{meta}{mandatory}) { |
1360 | if (exists $v->{meta}{mandatory}) { |
1310 | warn $msg; |
1361 | warn $msg; |
1311 | warn "mandatory extension failed to load, exiting.\n"; |
1362 | cf::cleanup "mandatory extension failed to load, exiting."; |
1312 | exit 1; |
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|
1313 | } |
1363 | } |
1314 | |
1364 | |
1315 | warn $msg; |
1365 | warn $msg; |
1316 | } |
1366 | } |
1317 | |
1367 | |
… | |
… | |
1425 | |
1475 | |
1426 | return if $pl->{deny_save}; |
1476 | return if $pl->{deny_save}; |
1427 | |
1477 | |
1428 | aio_mkdir playerdir $pl, 0770; |
1478 | aio_mkdir playerdir $pl, 0770; |
1429 | $pl->{last_save} = $cf::RUNTIME; |
1479 | $pl->{last_save} = $cf::RUNTIME; |
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1480 | |
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1481 | cf::get_slot 0.01; |
1430 | |
1482 | |
1431 | $pl->save_pl ($path); |
1483 | $pl->save_pl ($path); |
1432 | cf::cede_to_tick; |
1484 | cf::cede_to_tick; |
1433 | } |
1485 | } |
1434 | |
1486 | |
… | |
… | |
1727 | our $MAX_RESET = 3600; |
1779 | our $MAX_RESET = 3600; |
1728 | our $DEFAULT_RESET = 3000; |
1780 | our $DEFAULT_RESET = 3000; |
1729 | |
1781 | |
1730 | sub generate_random_map { |
1782 | sub generate_random_map { |
1731 | my ($self, $rmp) = @_; |
1783 | my ($self, $rmp) = @_; |
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1784 | |
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1785 | my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM |
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1786 | |
1732 | # mit "rum" bekleckern, nicht |
1787 | # mit "rum" bekleckern, nicht |
1733 | $self->_create_random_map ( |
1788 | $self->_create_random_map ( |
1734 | $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, |
1789 | $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, |
1735 | $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, |
1790 | $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, |
1736 | $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, |
1791 | $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, |
… | |
… | |
1858 | |
1913 | |
1859 | # the temporary/swap location |
1914 | # the temporary/swap location |
1860 | sub save_path { |
1915 | sub save_path { |
1861 | my ($self) = @_; |
1916 | my ($self) = @_; |
1862 | |
1917 | |
1863 | (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; |
1918 | (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go; |
1864 | "$TMPDIR/$path.map" |
1919 | "$TMPDIR/$path.map" |
1865 | } |
1920 | } |
1866 | |
1921 | |
1867 | # the unique path, undef == no special unique path |
1922 | # the unique path, undef == no special unique path |
1868 | sub uniq_path { |
1923 | sub uniq_path { |
1869 | my ($self) = @_; |
1924 | my ($self) = @_; |
1870 | |
1925 | |
1871 | (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; |
1926 | (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go; |
1872 | "$UNIQUEDIR/$path" |
1927 | "$UNIQUEDIR/$path" |
1873 | } |
1928 | } |
1874 | |
1929 | |
1875 | # and all this just because we cannot iterate over |
1930 | # and all this just because we cannot iterate over |
1876 | # all maps in C++... |
1931 | # all maps in C++... |
… | |
… | |
2062 | } |
2117 | } |
2063 | |
2118 | |
2064 | $self->{last_save} = $cf::RUNTIME; |
2119 | $self->{last_save} = $cf::RUNTIME; |
2065 | $self->last_access ($cf::RUNTIME); |
2120 | $self->last_access ($cf::RUNTIME); |
2066 | |
2121 | |
2067 | $self->in_memory (cf::MAP_IN_MEMORY); |
2122 | $self->in_memory (cf::MAP_ACTIVE); |
2068 | } |
2123 | } |
2069 | |
2124 | |
2070 | $self->post_load; |
2125 | $self->post_load; |
2071 | } |
2126 | } |
2072 | |
2127 | |
… | |
… | |
2130 | my ($path, $origin, $load) = @_; |
2185 | my ($path, $origin, $load) = @_; |
2131 | |
2186 | |
2132 | $path = normalise $path, $origin && $origin->{path}; |
2187 | $path = normalise $path, $origin && $origin->{path}; |
2133 | |
2188 | |
2134 | if (my $map = $cf::MAP{$path}) { |
2189 | if (my $map = $cf::MAP{$path}) { |
2135 | return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY; |
2190 | return $map if !$load || $map->in_memory == cf::MAP_ACTIVE; |
2136 | } |
2191 | } |
2137 | |
2192 | |
2138 | $MAP_PREFETCH{$path} |= $load; |
2193 | $MAP_PREFETCH{$path} |= $load; |
2139 | |
2194 | |
2140 | $MAP_PREFETCHER ||= cf::async { |
2195 | $MAP_PREFETCHER ||= cf::async { |
… | |
… | |
2177 | cf::async { |
2232 | cf::async { |
2178 | $Coro::current->{desc} = "map player save"; |
2233 | $Coro::current->{desc} = "map player save"; |
2179 | $_->contr->save for $self->players; |
2234 | $_->contr->save for $self->players; |
2180 | }; |
2235 | }; |
2181 | |
2236 | |
|
|
2237 | cf::get_slot 0.02; |
|
|
2238 | |
2182 | if ($uniq) { |
2239 | if ($uniq) { |
2183 | $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); |
2240 | $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); |
2184 | $self->_save_objects ($uniq, cf::IO_UNIQUES); |
2241 | $self->_save_objects ($uniq, cf::IO_UNIQUES); |
2185 | } else { |
2242 | } else { |
2186 | $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); |
2243 | $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); |
… | |
… | |
2194 | $self->save; |
2251 | $self->save; |
2195 | |
2252 | |
2196 | my $lock = cf::lock_acquire "map_data:$self->{path}"; |
2253 | my $lock = cf::lock_acquire "map_data:$self->{path}"; |
2197 | |
2254 | |
2198 | return if $self->players; |
2255 | return if $self->players; |
2199 | return if $self->in_memory != cf::MAP_IN_MEMORY; |
2256 | return if $self->in_memory != cf::MAP_ACTIVE; |
2200 | return if $self->{deny_save}; |
2257 | return if $self->{deny_save}; |
2201 | |
2258 | |
2202 | $self->in_memory (cf::MAP_SWAPPED); |
2259 | $self->in_memory (cf::MAP_SWAPPED); |
2203 | |
2260 | |
2204 | $self->deactivate; |
2261 | $self->deactivate; |
… | |
… | |
2322 | |
2379 | |
2323 | sub unique_maps() { |
2380 | sub unique_maps() { |
2324 | [ |
2381 | [ |
2325 | map { |
2382 | map { |
2326 | utf8::decode $_; |
2383 | utf8::decode $_; |
2327 | /\.map$/ |
2384 | s/\.map$//; # TODO future compatibility hack |
|
|
2385 | /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/ |
|
|
2386 | ? () |
2328 | ? normalise $_ |
2387 | : normalise $_ |
2329 | : () |
|
|
2330 | } @{ aio_readdir $UNIQUEDIR or [] } |
2388 | } @{ aio_readdir $UNIQUEDIR or [] } |
2331 | ] |
2389 | ] |
2332 | } |
2390 | } |
2333 | |
2391 | |
2334 | package cf; |
|
|
2335 | |
|
|
2336 | =back |
2392 | =back |
2337 | |
2393 | |
2338 | =head3 cf::object |
2394 | =head3 cf::object |
2339 | |
2395 | |
2340 | =cut |
2396 | =cut |
… | |
… | |
2343 | |
2399 | |
2344 | =over 4 |
2400 | =over 4 |
2345 | |
2401 | |
2346 | =item $ob->inv_recursive |
2402 | =item $ob->inv_recursive |
2347 | |
2403 | |
2348 | Returns the inventory of the object _and_ their inventories, recursively. |
2404 | Returns the inventory of the object I<and> their inventories, recursively, |
|
|
2405 | but I<not> the object itself. |
2349 | |
2406 | |
2350 | =cut |
2407 | =cut |
2351 | |
2408 | |
2352 | sub inv_recursive_; |
2409 | sub inv_recursive_; |
2353 | sub inv_recursive_ { |
2410 | sub inv_recursive_ { |
… | |
… | |
2358 | inv_recursive_ inv $_[0] |
2415 | inv_recursive_ inv $_[0] |
2359 | } |
2416 | } |
2360 | |
2417 | |
2361 | =item $ref = $ob->ref |
2418 | =item $ref = $ob->ref |
2362 | |
2419 | |
2363 | creates and returns a persistent reference to an objetc that can be stored as a string. |
2420 | Creates and returns a persistent reference to an object that can be stored as a string. |
2364 | |
2421 | |
2365 | =item $ob = cf::object::deref ($refstring) |
2422 | =item $ob = cf::object::deref ($refstring) |
2366 | |
2423 | |
2367 | returns the objetc referenced by refstring. may return undef when it cnanot find the object, |
2424 | returns the objetc referenced by refstring. may return undef when it cnanot find the object, |
2368 | even if the object actually exists. May block. |
2425 | even if the object actually exists. May block. |
… | |
… | |
3340 | |
3397 | |
3341 | reload_config; |
3398 | reload_config; |
3342 | db_init; |
3399 | db_init; |
3343 | load_extensions; |
3400 | load_extensions; |
3344 | |
3401 | |
3345 | $TICK_WATCHER->start; |
|
|
3346 | $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority |
3402 | $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority |
|
|
3403 | evthread_start IO::AIO::poll_fileno; |
3347 | EV::loop; |
3404 | EV::loop; |
3348 | } |
3405 | } |
3349 | |
3406 | |
3350 | ############################################################################# |
3407 | ############################################################################# |
3351 | # initialisation and cleanup |
3408 | # initialisation and cleanup |
… | |
… | |
3358 | cf::cleanup "SIG$signal"; |
3415 | cf::cleanup "SIG$signal"; |
3359 | }; |
3416 | }; |
3360 | } |
3417 | } |
3361 | } |
3418 | } |
3362 | |
3419 | |
3363 | sub write_runtime { |
3420 | sub write_runtime_sync { |
3364 | my $runtime = "$LOCALDIR/runtime"; |
3421 | my $runtime = "$LOCALDIR/runtime"; |
3365 | |
3422 | |
3366 | # first touch the runtime file to show we are still running: |
3423 | # first touch the runtime file to show we are still running: |
3367 | # the fsync below can take a very very long time. |
3424 | # the fsync below can take a very very long time. |
3368 | |
3425 | |
… | |
… | |
3394 | and return; |
3451 | and return; |
3395 | |
3452 | |
3396 | warn "runtime file written.\n"; |
3453 | warn "runtime file written.\n"; |
3397 | |
3454 | |
3398 | 1 |
3455 | 1 |
|
|
3456 | } |
|
|
3457 | |
|
|
3458 | our $uuid_lock; |
|
|
3459 | our $uuid_skip; |
|
|
3460 | |
|
|
3461 | sub write_uuid_sync($) { |
|
|
3462 | $uuid_skip ||= $_[0]; |
|
|
3463 | |
|
|
3464 | return if $uuid_lock; |
|
|
3465 | local $uuid_lock = 1; |
|
|
3466 | |
|
|
3467 | my $uuid = "$LOCALDIR/uuid"; |
|
|
3468 | |
|
|
3469 | my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644 |
|
|
3470 | or return; |
|
|
3471 | |
|
|
3472 | my $value = uuid_str $uuid_skip + uuid_seq uuid_cur; |
|
|
3473 | $uuid_skip = 0; |
|
|
3474 | |
|
|
3475 | (aio_write $fh, 0, (length $value), $value, 0) <= 0 |
|
|
3476 | and return; |
|
|
3477 | |
|
|
3478 | # always fsync - this file is important |
|
|
3479 | aio_fsync $fh |
|
|
3480 | and return; |
|
|
3481 | |
|
|
3482 | close $fh |
|
|
3483 | or return; |
|
|
3484 | |
|
|
3485 | aio_rename "$uuid~", $uuid |
|
|
3486 | and return; |
|
|
3487 | |
|
|
3488 | warn "uuid file written ($value).\n"; |
|
|
3489 | |
|
|
3490 | 1 |
|
|
3491 | |
|
|
3492 | } |
|
|
3493 | |
|
|
3494 | sub write_uuid($$) { |
|
|
3495 | my ($skip, $sync) = @_; |
|
|
3496 | |
|
|
3497 | $sync ? write_uuid_sync $skip |
|
|
3498 | : async { write_uuid_sync $skip }; |
3399 | } |
3499 | } |
3400 | |
3500 | |
3401 | sub emergency_save() { |
3501 | sub emergency_save() { |
3402 | my $freeze_guard = cf::freeze_mainloop; |
3502 | my $freeze_guard = cf::freeze_mainloop; |
3403 | |
3503 | |
… | |
… | |
3425 | warn "end emergency map save\n"; |
3525 | warn "end emergency map save\n"; |
3426 | |
3526 | |
3427 | warn "begin emergency database checkpoint\n"; |
3527 | warn "begin emergency database checkpoint\n"; |
3428 | BDB::db_env_txn_checkpoint $DB_ENV; |
3528 | BDB::db_env_txn_checkpoint $DB_ENV; |
3429 | warn "end emergency database checkpoint\n"; |
3529 | warn "end emergency database checkpoint\n"; |
|
|
3530 | |
|
|
3531 | warn "begin write uuid\n"; |
|
|
3532 | write_uuid_sync 1; |
|
|
3533 | warn "end write uuid\n"; |
3430 | }; |
3534 | }; |
3431 | |
3535 | |
3432 | warn "leave emergency perl save\n"; |
3536 | warn "leave emergency perl save\n"; |
3433 | } |
3537 | } |
3434 | |
3538 | |
… | |
… | |
3449 | warn "reloading..."; |
3553 | warn "reloading..."; |
3450 | |
3554 | |
3451 | warn "entering sync_job"; |
3555 | warn "entering sync_job"; |
3452 | |
3556 | |
3453 | cf::sync_job { |
3557 | cf::sync_job { |
3454 | cf::write_runtime; # external watchdog should not bark |
3558 | cf::write_runtime_sync; # external watchdog should not bark |
3455 | cf::emergency_save; |
3559 | cf::emergency_save; |
3456 | cf::write_runtime; # external watchdog should not bark |
3560 | cf::write_runtime_sync; # external watchdog should not bark |
3457 | |
3561 | |
3458 | warn "syncing database to disk"; |
3562 | warn "syncing database to disk"; |
3459 | BDB::db_env_txn_checkpoint $DB_ENV; |
3563 | BDB::db_env_txn_checkpoint $DB_ENV; |
3460 | |
3564 | |
3461 | # if anything goes wrong in here, we should simply crash as we already saved |
3565 | # if anything goes wrong in here, we should simply crash as we already saved |
… | |
… | |
3548 | warn "leaving sync_job"; |
3652 | warn "leaving sync_job"; |
3549 | |
3653 | |
3550 | 1 |
3654 | 1 |
3551 | } or do { |
3655 | } or do { |
3552 | warn $@; |
3656 | warn $@; |
3553 | warn "error while reloading, exiting."; |
3657 | cf::cleanup "error while reloading, exiting."; |
3554 | exit 1; |
|
|
3555 | }; |
3658 | }; |
3556 | |
3659 | |
3557 | warn "reloaded"; |
3660 | warn "reloaded"; |
3558 | }; |
3661 | }; |
3559 | |
3662 | |
… | |
… | |
3562 | sub reload_perl() { |
3665 | sub reload_perl() { |
3563 | # doing reload synchronously and two reloads happen back-to-back, |
3666 | # doing reload synchronously and two reloads happen back-to-back, |
3564 | # coro crashes during coro_state_free->destroy here. |
3667 | # coro crashes during coro_state_free->destroy here. |
3565 | |
3668 | |
3566 | $RELOAD_WATCHER ||= EV::timer 0, 0, sub { |
3669 | $RELOAD_WATCHER ||= EV::timer 0, 0, sub { |
|
|
3670 | do_reload_perl; |
3567 | undef $RELOAD_WATCHER; |
3671 | undef $RELOAD_WATCHER; |
3568 | do_reload_perl; |
|
|
3569 | }; |
3672 | }; |
3570 | } |
3673 | } |
3571 | |
3674 | |
3572 | register_command "reload" => sub { |
3675 | register_command "reload" => sub { |
3573 | my ($who, $arg) = @_; |
3676 | my ($who, $arg) = @_; |
… | |
… | |
3587 | |
3690 | |
3588 | our @WAIT_FOR_TICK; |
3691 | our @WAIT_FOR_TICK; |
3589 | our @WAIT_FOR_TICK_BEGIN; |
3692 | our @WAIT_FOR_TICK_BEGIN; |
3590 | |
3693 | |
3591 | sub wait_for_tick { |
3694 | sub wait_for_tick { |
3592 | return unless $TICK_WATCHER->is_active; |
3695 | return if tick_inhibit; |
3593 | return if $Coro::current == $Coro::main; |
3696 | return if $Coro::current == $Coro::main; |
3594 | |
3697 | |
3595 | my $signal = new Coro::Signal; |
3698 | my $signal = new Coro::Signal; |
3596 | push @WAIT_FOR_TICK, $signal; |
3699 | push @WAIT_FOR_TICK, $signal; |
3597 | $signal->wait; |
3700 | $signal->wait; |
3598 | } |
3701 | } |
3599 | |
3702 | |
3600 | sub wait_for_tick_begin { |
3703 | sub wait_for_tick_begin { |
3601 | return unless $TICK_WATCHER->is_active; |
3704 | return if tick_inhibit; |
3602 | return if $Coro::current == $Coro::main; |
3705 | return if $Coro::current == $Coro::main; |
3603 | |
3706 | |
3604 | my $signal = new Coro::Signal; |
3707 | my $signal = new Coro::Signal; |
3605 | push @WAIT_FOR_TICK_BEGIN, $signal; |
3708 | push @WAIT_FOR_TICK_BEGIN, $signal; |
3606 | $signal->wait; |
3709 | $signal->wait; |
3607 | } |
3710 | } |
3608 | |
3711 | |
3609 | $TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub { |
3712 | sub tick { |
3610 | if ($Coro::current != $Coro::main) { |
3713 | if ($Coro::current != $Coro::main) { |
3611 | Carp::cluck "major BUG: server tick called outside of main coro, skipping it" |
3714 | Carp::cluck "major BUG: server tick called outside of main coro, skipping it" |
3612 | unless ++$bug_warning > 10; |
3715 | unless ++$bug_warning > 10; |
3613 | return; |
3716 | return; |
3614 | } |
3717 | } |
3615 | |
3718 | |
3616 | $NOW = $tick_start = EV::now; |
|
|
3617 | |
|
|
3618 | cf::server_tick; # one server iteration |
3719 | cf::server_tick; # one server iteration |
3619 | |
|
|
3620 | $RUNTIME += $TICK; |
|
|
3621 | $NEXT_TICK = $_[0]->at; |
|
|
3622 | |
3720 | |
3623 | if ($NOW >= $NEXT_RUNTIME_WRITE) { |
3721 | if ($NOW >= $NEXT_RUNTIME_WRITE) { |
3624 | $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.; |
3722 | $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.; |
3625 | Coro::async_pool { |
3723 | Coro::async_pool { |
3626 | $Coro::current->{desc} = "runtime saver"; |
3724 | $Coro::current->{desc} = "runtime saver"; |
3627 | write_runtime |
3725 | write_runtime_sync |
3628 | or warn "ERROR: unable to write runtime file: $!"; |
3726 | or warn "ERROR: unable to write runtime file: $!"; |
3629 | }; |
3727 | }; |
3630 | } |
3728 | } |
3631 | |
3729 | |
3632 | if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { |
3730 | if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { |
… | |
… | |
3634 | } |
3732 | } |
3635 | while (my $sig = shift @WAIT_FOR_TICK) { |
3733 | while (my $sig = shift @WAIT_FOR_TICK) { |
3636 | $sig->send; |
3734 | $sig->send; |
3637 | } |
3735 | } |
3638 | |
3736 | |
3639 | $LOAD = ($NOW - $tick_start) / $TICK; |
3737 | $LOAD = ($NOW - $TICK_START) / $TICK; |
3640 | $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; |
3738 | $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; |
3641 | |
3739 | |
3642 | _post_tick; |
3740 | if (0) { |
3643 | }; |
3741 | if ($NEXT_TICK) { |
3644 | $TICK_WATCHER->priority (EV::MAXPRI); |
3742 | my $jitter = $TICK_START - $NEXT_TICK; |
|
|
3743 | $JITTER = $JITTER * 0.75 + $jitter * 0.25; |
|
|
3744 | warn "jitter $JITTER\n";#d# |
|
|
3745 | } |
|
|
3746 | } |
|
|
3747 | } |
3645 | |
3748 | |
3646 | { |
3749 | { |
3647 | # configure BDB |
3750 | # configure BDB |
3648 | |
3751 | |
3649 | BDB::min_parallel 8; |
3752 | BDB::min_parallel 8; |