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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.395 by root, Sat Nov 10 22:41:59 2007 UTC vs.
Revision 1.421 by root, Tue Apr 15 18:43:11 2008 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation, either version 3 of the License, or
9# (at your option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the GNU General Public License
17# along with this program. If not, see <http://www.gnu.org/licenses/>.
18#
19# The authors can be reached via e-mail to <support@deliantra.net>
20#
21
1package cf; 22package cf;
2 23
3use utf8; 24use utf8;
4use strict; 25use strict;
5 26
6use Symbol; 27use Symbol;
7use List::Util; 28use List::Util;
8use Socket; 29use Socket;
9use Event; 30use EV 3.2;
10use Opcode; 31use Opcode;
11use Safe; 32use Safe;
12use Safe::Hole; 33use Safe::Hole;
13use Storable (); 34use Storable ();
14 35
15use Coro 4.1 (); 36use Coro 4.50 ();
16use Coro::State; 37use Coro::State;
17use Coro::Handle; 38use Coro::Handle;
18use Coro::Event; 39use Coro::EV;
19use Coro::Timer; 40use Coro::Timer;
20use Coro::Signal; 41use Coro::Signal;
21use Coro::Semaphore; 42use Coro::Semaphore;
22use Coro::AIO; 43use Coro::AIO;
44use Coro::BDB;
23use Coro::Storable; 45use Coro::Storable;
24use Coro::Util (); 46use Coro::Util ();
25 47
26use JSON::XS (); 48use JSON::XS 2.01 ();
27use BDB (); 49use BDB ();
28use Data::Dumper; 50use Data::Dumper;
29use Digest::MD5; 51use Digest::MD5;
30use Fcntl; 52use Fcntl;
31use YAML::Syck (); 53use YAML ();
32use IO::AIO 2.51 (); 54use IO::AIO 2.51 ();
33use Time::HiRes; 55use Time::HiRes;
34use Compress::LZF; 56use Compress::LZF;
35use Digest::MD5 (); 57use Digest::MD5 ();
36 58
37# configure various modules to our taste 59# configure various modules to our taste
38# 60#
39$Storable::canonical = 1; # reduce rsync transfers 61$Storable::canonical = 1; # reduce rsync transfers
40Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 62Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
41Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 63Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42
43$Event::Eval = 1; # no idea why this is required, but it is
44
45# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46$YAML::Syck::ImplicitUnicode = 1;
47 64
48$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 65$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49 66
50sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 67sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51 68
70our $TMPDIR = "$LOCALDIR/" . tmpdir; 87our $TMPDIR = "$LOCALDIR/" . tmpdir;
71our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 88our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72our $PLAYERDIR = "$LOCALDIR/" . playerdir; 89our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73our $RANDOMDIR = "$LOCALDIR/random"; 90our $RANDOMDIR = "$LOCALDIR/random";
74our $BDBDIR = "$LOCALDIR/db"; 91our $BDBDIR = "$LOCALDIR/db";
92our %RESOURCE;
75 93
76our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 94our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77our $TICK_WATCHER;
78our $AIO_POLL_WATCHER; 95our $AIO_POLL_WATCHER;
79our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 96our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80our $NEXT_TICK; 97our $NEXT_TICK;
81our $NOW;
82our $USE_FSYNC = 1; # use fsync to write maps - default off 98our $USE_FSYNC = 1; # use fsync to write maps - default off
83 99
84our $BDB_POLL_WATCHER; 100our $BDB_POLL_WATCHER;
85our $BDB_DEADLOCK_WATCHER; 101our $BDB_DEADLOCK_WATCHER;
86our $BDB_CHECKPOINT_WATCHER; 102our $BDB_CHECKPOINT_WATCHER;
89 105
90our %CFG; 106our %CFG;
91 107
92our $UPTIME; $UPTIME ||= time; 108our $UPTIME; $UPTIME ||= time;
93our $RUNTIME; 109our $RUNTIME;
110our $NOW;
94 111
95our (%PLAYER, %PLAYER_LOADING); # all users 112our (%PLAYER, %PLAYER_LOADING); # all users
96our (%MAP, %MAP_LOADING ); # all maps 113our (%MAP, %MAP_LOADING ); # all maps
97our $LINK_MAP; # the special {link} map, which is always available 114our $LINK_MAP; # the special {link} map, which is always available
98 115
99# 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 ∕
100our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 117our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101 118
102our $LOAD; # a number between 0 (idle) and 1 (too many objects) 119our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103our $LOADAVG; # same thing, but with alpha-smoothing 120our $LOADAVG; # same thing, but with alpha-smoothing
121our $JITTER; # average jitter
104our $tick_start; # for load detecting purposes 122our $TICK_START; # for load detecting purposes
105 123
106binmode STDOUT; 124binmode STDOUT;
107binmode STDERR; 125binmode STDERR;
108 126
109# read virtual server time, if available 127# read virtual server time, if available
193 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 211 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194 212
195 LOG llevError, $msg; 213 LOG llevError, $msg;
196 }; 214 };
197} 215}
216
217$Coro::State::DIEHOOK = sub {
218 return unless $^S eq 0; # "eq", not "=="
219
220 if ($Coro::current == $Coro::main) {#d#
221 warn "DIEHOOK called in main context, Coro bug?\n";#d#
222 return;#d#
223 }#d#
224
225 # kill coroutine otherwise
226 warn Carp::longmess $_[0];
227 Coro::terminate
228};
229
230$SIG{__DIE__} = sub { }; #d#?
198 231
199@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 232@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 233@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 234@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 235@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
215)) { 248)) {
216 no strict 'refs'; 249 no strict 'refs';
217 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 250 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218} 251}
219 252
220$Event::DIED = sub { 253$EV::DIED = sub {
221 warn "error in event callback: @_"; 254 warn "error in event callback: @_";
222}; 255};
223 256
224############################################################################# 257#############################################################################
225 258
248 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 281 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249 $d 282 $d
250 } || "[unable to dump $_[0]: '$@']"; 283 } || "[unable to dump $_[0]: '$@']";
251} 284}
252 285
253=item $ref = cf::from_json $json 286=item $ref = cf::decode_json $json
254 287
255Converts a JSON string into the corresponding perl data structure. 288Converts a JSON string into the corresponding perl data structure.
256 289
257=item $json = cf::to_json $ref 290=item $json = cf::encode_json $ref
258 291
259Converts a perl data structure into its JSON representation. 292Converts a perl data structure into its JSON representation.
260 293
261=cut 294=cut
262 295
263our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 296our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264 297
265sub to_json ($) { $json_coder->encode ($_[0]) } 298sub encode_json($) { $json_coder->encode ($_[0]) }
266sub from_json ($) { $json_coder->decode ($_[0]) } 299sub decode_json($) { $json_coder->decode ($_[0]) }
267 300
268=item cf::lock_wait $string 301=item cf::lock_wait $string
269 302
270Wait until the given lock is available. See cf::lock_acquire. 303Wait until the given lock is available. See cf::lock_acquire.
271 304
327 360
328 ! ! $LOCK{$key} 361 ! ! $LOCK{$key}
329} 362}
330 363
331sub freeze_mainloop { 364sub freeze_mainloop {
332 return unless $TICK_WATCHER->is_active; 365 tick_inhibit_inc;
333 366
334 my $guard = Coro::guard { 367 Coro::guard \&tick_inhibit_dec;
335 $TICK_WATCHER->start; 368}
336 }; 369
337 $TICK_WATCHER->stop; 370=item cf::periodic $interval, $cb
338 $guard 371
372Like EV::periodic, but randomly selects a starting point so that the actions
373get spread over timer.
374
375=cut
376
377sub periodic($$) {
378 my ($interval, $cb) = @_;
379
380 my $start = rand List::Util::min 180, $interval;
381
382 EV::periodic $start, $interval, 0, $cb
339} 383}
340 384
341=item cf::get_slot $time[, $priority[, $name]] 385=item cf::get_slot $time[, $priority[, $name]]
342 386
343Allocate $time seconds of blocking CPU time at priority C<$priority>: 387Allocate $time seconds of blocking CPU time at priority C<$priority>:
383 } 427 }
384 } 428 }
385}; 429};
386 430
387sub get_slot($;$$) { 431sub get_slot($;$$) {
432 return if tick_inhibit;
433
388 my ($time, $pri, $name) = @_; 434 my ($time, $pri, $name) = @_;
389 435
390 $time = $TICK * .6 if $time > $TICK * .6; 436 $time = $TICK * .6 if $time > $TICK * .6;
391 my $sig = new Coro::Signal; 437 my $sig = new Coro::Signal;
392 438
422 468
423sub sync_job(&) { 469sub sync_job(&) {
424 my ($job) = @_; 470 my ($job) = @_;
425 471
426 if ($Coro::current == $Coro::main) { 472 if ($Coro::current == $Coro::main) {
427 my $time = Event::time; 473 my $time = EV::time;
428 474
429 # this is the main coro, too bad, we have to block 475 # this is the main coro, too bad, we have to block
430 # till the operation succeeds, freezing the server :/ 476 # till the operation succeeds, freezing the server :/
431 477
432 LOG llevError, Carp::longmess "sync job";#d# 478 LOG llevError, Carp::longmess "sync job";#d#
433 479
434 # TODO: use suspend/resume instead
435 # (but this is cancel-safe)
436 my $freeze_guard = freeze_mainloop; 480 my $freeze_guard = freeze_mainloop;
437 481
438 my $busy = 1; 482 my $busy = 1;
439 my @res; 483 my @res;
440 484
447 491
448 while ($busy) { 492 while ($busy) {
449 if (Coro::nready) { 493 if (Coro::nready) {
450 Coro::cede_notself; 494 Coro::cede_notself;
451 } else { 495 } else {
452 Event::one_event; 496 EV::loop EV::LOOP_ONESHOT;
453 } 497 }
454 } 498 }
455 499
456 $time = Event::time - $time; 500 my $time = EV::time - $time;
457 501
458 LOG llevError | logBacktrace, Carp::longmess "long sync job"
459 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
460
461 $tick_start += $time; # do not account sync jobs to server load 502 $TICK_START += $time; # do not account sync jobs to server load
462 503
463 wantarray ? @res : $res[0] 504 wantarray ? @res : $res[0]
464 } else { 505 } else {
465 # we are in another coroutine, how wonderful, everything just works 506 # we are in another coroutine, how wonderful, everything just works
466 507
491=item fork_call { }, $args 532=item fork_call { }, $args
492 533
493Executes the given code block with the given arguments in a seperate 534Executes the given code block with the given arguments in a seperate
494process, returning the results. Everything must be serialisable with 535process, returning the results. Everything must be serialisable with
495Coro::Storable. May, of course, block. Note that the executed sub may 536Coro::Storable. May, of course, block. Note that the executed sub may
496never block itself or use any form of Event handling. 537never block itself or use any form of event handling.
497 538
498=cut 539=cut
499 540
500sub fork_call(&@) { 541sub fork_call(&@) {
501 my ($cb, @args) = @_; 542 my ($cb, @args) = @_;
508 reset_signals; 549 reset_signals;
509 &$cb 550 &$cb
510 }, @args; 551 }, @args;
511 552
512 wantarray ? @res : $res[-1] 553 wantarray ? @res : $res[-1]
554}
555
556=item $coin = coin_from_name $name
557
558=cut
559
560our %coin_alias = (
561 "silver" => "silvercoin",
562 "silvercoin" => "silvercoin",
563 "silvercoins" => "silvercoin",
564 "gold" => "goldcoin",
565 "goldcoin" => "goldcoin",
566 "goldcoins" => "goldcoin",
567 "platinum" => "platinacoin",
568 "platinumcoin" => "platinacoin",
569 "platinumcoins" => "platinacoin",
570 "platina" => "platinacoin",
571 "platinacoin" => "platinacoin",
572 "platinacoins" => "platinacoin",
573 "royalty" => "royalty",
574 "royalties" => "royalty",
575);
576
577sub coin_from_name($) {
578 $coin_alias{$_[0]}
579 ? cf::arch::find $coin_alias{$_[0]}
580 : undef
513} 581}
514 582
515=item $value = cf::db_get $family => $key 583=item $value = cf::db_get $family => $key
516 584
517Returns a single value from the environment database. 585Returns a single value from the environment database.
954 } 1022 }
955 1023
956 0 1024 0
957} 1025}
958 1026
959=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1027=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
960 1028
961=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1029=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
962 1030
963Generate an object-specific event with the given arguments. 1031Generate an object-specific event with the given arguments.
964 1032
1042cf::attachable->attach ( 1110cf::attachable->attach (
1043 prio => -1000000, 1111 prio => -1000000,
1044 on_instantiate => sub { 1112 on_instantiate => sub {
1045 my ($obj, $data) = @_; 1113 my ($obj, $data) = @_;
1046 1114
1047 $data = from_json $data; 1115 $data = decode_json $data;
1048 1116
1049 for (@$data) { 1117 for (@$data) {
1050 my ($name, $args) = @$_; 1118 my ($name, $args) = @$_;
1051 1119
1052 $obj->attach ($name, %{$args || {} }); 1120 $obj->attach ($name, %{$args || {} });
1289 my $msg = $@ ? "$v->{path}: $@\n" 1357 my $msg = $@ ? "$v->{path}: $@\n"
1290 : "$v->{base}: extension inactive.\n"; 1358 : "$v->{base}: extension inactive.\n";
1291 1359
1292 if (exists $v->{meta}{mandatory}) { 1360 if (exists $v->{meta}{mandatory}) {
1293 warn $msg; 1361 warn $msg;
1294 warn "mandatory extension failed to load, exiting.\n"; 1362 cf::cleanup "mandatory extension failed to load, exiting.";
1295 exit 1;
1296 } 1363 }
1297 1364
1298 warn $msg; 1365 warn $msg;
1299 } 1366 }
1300 1367
1408 1475
1409 return if $pl->{deny_save}; 1476 return if $pl->{deny_save};
1410 1477
1411 aio_mkdir playerdir $pl, 0770; 1478 aio_mkdir playerdir $pl, 0770;
1412 $pl->{last_save} = $cf::RUNTIME; 1479 $pl->{last_save} = $cf::RUNTIME;
1480
1481 cf::get_slot 0.01;
1413 1482
1414 $pl->save_pl ($path); 1483 $pl->save_pl ($path);
1415 cf::cede_to_tick; 1484 cf::cede_to_tick;
1416} 1485}
1417 1486
1710our $MAX_RESET = 3600; 1779our $MAX_RESET = 3600;
1711our $DEFAULT_RESET = 3000; 1780our $DEFAULT_RESET = 3000;
1712 1781
1713sub generate_random_map { 1782sub generate_random_map {
1714 my ($self, $rmp) = @_; 1783 my ($self, $rmp) = @_;
1784
1785 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1786
1715 # mit "rum" bekleckern, nicht 1787 # mit "rum" bekleckern, nicht
1716 $self->_create_random_map ( 1788 $self->_create_random_map (
1717 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1789 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1718 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1790 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1719 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1791 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1841 1913
1842# the temporary/swap location 1914# the temporary/swap location
1843sub save_path { 1915sub save_path {
1844 my ($self) = @_; 1916 my ($self) = @_;
1845 1917
1846 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1918 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1847 "$TMPDIR/$path.map" 1919 "$TMPDIR/$path.map"
1848} 1920}
1849 1921
1850# the unique path, undef == no special unique path 1922# the unique path, undef == no special unique path
1851sub uniq_path { 1923sub uniq_path {
1852 my ($self) = @_; 1924 my ($self) = @_;
1853 1925
1854 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1926 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1855 "$UNIQUEDIR/$path" 1927 "$UNIQUEDIR/$path"
1856} 1928}
1857 1929
1858# and all this just because we cannot iterate over 1930# and all this just because we cannot iterate over
1859# all maps in C++... 1931# all maps in C++...
2045 } 2117 }
2046 2118
2047 $self->{last_save} = $cf::RUNTIME; 2119 $self->{last_save} = $cf::RUNTIME;
2048 $self->last_access ($cf::RUNTIME); 2120 $self->last_access ($cf::RUNTIME);
2049 2121
2050 $self->in_memory (cf::MAP_IN_MEMORY); 2122 $self->in_memory (cf::MAP_ACTIVE);
2051 } 2123 }
2052 2124
2053 $self->post_load; 2125 $self->post_load;
2054} 2126}
2055 2127
2113 my ($path, $origin, $load) = @_; 2185 my ($path, $origin, $load) = @_;
2114 2186
2115 $path = normalise $path, $origin && $origin->{path}; 2187 $path = normalise $path, $origin && $origin->{path};
2116 2188
2117 if (my $map = $cf::MAP{$path}) { 2189 if (my $map = $cf::MAP{$path}) {
2118 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY; 2190 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2119 } 2191 }
2120 2192
2121 $MAP_PREFETCH{$path} |= $load; 2193 $MAP_PREFETCH{$path} |= $load;
2122 2194
2123 $MAP_PREFETCHER ||= cf::async { 2195 $MAP_PREFETCHER ||= cf::async {
2160 cf::async { 2232 cf::async {
2161 $Coro::current->{desc} = "map player save"; 2233 $Coro::current->{desc} = "map player save";
2162 $_->contr->save for $self->players; 2234 $_->contr->save for $self->players;
2163 }; 2235 };
2164 2236
2237 cf::get_slot 0.02;
2238
2165 if ($uniq) { 2239 if ($uniq) {
2166 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2240 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2167 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2241 $self->_save_objects ($uniq, cf::IO_UNIQUES);
2168 } else { 2242 } else {
2169 $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);
2177 $self->save; 2251 $self->save;
2178 2252
2179 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2253 my $lock = cf::lock_acquire "map_data:$self->{path}";
2180 2254
2181 return if $self->players; 2255 return if $self->players;
2182 return if $self->in_memory != cf::MAP_IN_MEMORY; 2256 return if $self->in_memory != cf::MAP_ACTIVE;
2183 return if $self->{deny_save}; 2257 return if $self->{deny_save};
2184 2258
2185 $self->in_memory (cf::MAP_SWAPPED); 2259 $self->in_memory (cf::MAP_SWAPPED);
2186 2260
2187 $self->deactivate; 2261 $self->deactivate;
2305 2379
2306sub unique_maps() { 2380sub unique_maps() {
2307 [ 2381 [
2308 map { 2382 map {
2309 utf8::decode $_; 2383 utf8::decode $_;
2310 /\.map$/ 2384 s/\.map$//; # TODO future compatibility hack
2385 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2386 ? ()
2311 ? normalise $_ 2387 : normalise $_
2312 : ()
2313 } @{ aio_readdir $UNIQUEDIR or [] } 2388 } @{ aio_readdir $UNIQUEDIR or [] }
2314 ] 2389 ]
2315} 2390}
2316 2391
2317package cf;
2318
2319=back 2392=back
2320 2393
2321=head3 cf::object 2394=head3 cf::object
2322 2395
2323=cut 2396=cut
2326 2399
2327=over 4 2400=over 4
2328 2401
2329=item $ob->inv_recursive 2402=item $ob->inv_recursive
2330 2403
2331Returns the inventory of the object _and_ their inventories, recursively. 2404Returns the inventory of the object I<and> their inventories, recursively,
2405but I<not> the object itself.
2332 2406
2333=cut 2407=cut
2334 2408
2335sub inv_recursive_; 2409sub inv_recursive_;
2336sub inv_recursive_ { 2410sub inv_recursive_ {
2341 inv_recursive_ inv $_[0] 2415 inv_recursive_ inv $_[0]
2342} 2416}
2343 2417
2344=item $ref = $ob->ref 2418=item $ref = $ob->ref
2345 2419
2346creates and returns a persistent reference to an objetc that can be stored as a string. 2420Creates and returns a persistent reference to an object that can be stored as a string.
2347 2421
2348=item $ob = cf::object::deref ($refstring) 2422=item $ob = cf::object::deref ($refstring)
2349 2423
2350returns the objetc referenced by refstring. may return undef when it cnanot find the object, 2424returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2351even if the object actually exists. May block. 2425even if the object actually exists. May block.
2625 $rmp->{origin_y} = $exit->y; 2699 $rmp->{origin_y} = $exit->y;
2626 } 2700 }
2627 2701
2628 $rmp->{random_seed} ||= $exit->random_seed; 2702 $rmp->{random_seed} ||= $exit->random_seed;
2629 2703
2630 my $data = cf::to_json $rmp; 2704 my $data = JSON::XS->new->utf8->pretty->canolicalize->encode ($rmp);
2631 my $md5 = Digest::MD5::md5_hex $data; 2705 my $md5 = Digest::MD5::md5_hex $data;
2632 my $meta = "$RANDOMDIR/$md5.meta"; 2706 my $meta = "$RANDOMDIR/$md5.meta";
2633 2707
2634 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2708 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2635 aio_write $fh, 0, (length $data), $data, 0; 2709 aio_write $fh, 0, (length $data), $data, 0;
3135 { 3209 {
3136 my $faces = $facedata->{faceinfo}; 3210 my $faces = $facedata->{faceinfo};
3137 3211
3138 while (my ($face, $info) = each %$faces) { 3212 while (my ($face, $info) = each %$faces) {
3139 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3213 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3214
3140 cf::face::set_visibility $idx, $info->{visibility}; 3215 cf::face::set_visibility $idx, $info->{visibility};
3141 cf::face::set_magicmap $idx, $info->{magicmap}; 3216 cf::face::set_magicmap $idx, $info->{magicmap};
3142 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32}; 3217 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3143 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64}; 3218 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3144 3219
3145 cf::cede_to_tick; 3220 cf::cede_to_tick;
3146 } 3221 }
3147 3222
3148 while (my ($face, $info) = each %$faces) { 3223 while (my ($face, $info) = each %$faces) {
3149 next unless $info->{smooth}; 3224 next unless $info->{smooth};
3225
3150 my $idx = cf::face::find $face 3226 my $idx = cf::face::find $face
3151 or next; 3227 or next;
3228
3152 if (my $smooth = cf::face::find $info->{smooth}) { 3229 if (my $smooth = cf::face::find $info->{smooth}) {
3153 cf::face::set_smooth $idx, $smooth; 3230 cf::face::set_smooth $idx, $smooth;
3154 cf::face::set_smoothlevel $idx, $info->{smoothlevel}; 3231 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3155 } else { 3232 } else {
3156 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3233 warn "smooth face '$info->{smooth}' not found for face '$face'";
3174 { 3251 {
3175 # TODO: for gcfclient pleasure, we should give resources 3252 # TODO: for gcfclient pleasure, we should give resources
3176 # that gcfclient doesn't grok a >10000 face index. 3253 # that gcfclient doesn't grok a >10000 face index.
3177 my $res = $facedata->{resource}; 3254 my $res = $facedata->{resource};
3178 3255
3179 my $soundconf = delete $res->{"res/sound.conf"};
3180
3181 while (my ($name, $info) = each %$res) { 3256 while (my ($name, $info) = each %$res) {
3257 if (defined $info->{type}) {
3182 my $idx = (cf::face::find $name) || cf::face::alloc $name; 3258 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3183 my $data; 3259 my $data;
3184 3260
3185 if ($info->{type} & 1) { 3261 if ($info->{type} & 1) {
3186 # prepend meta info 3262 # prepend meta info
3187 3263
3188 my $meta = $enc->encode ({ 3264 my $meta = $enc->encode ({
3189 name => $name, 3265 name => $name,
3190 %{ $info->{meta} || {} }, 3266 %{ $info->{meta} || {} },
3191 }); 3267 });
3192 3268
3193 $data = pack "(w/a*)*", $meta, $info->{data}; 3269 $data = pack "(w/a*)*", $meta, $info->{data};
3270 } else {
3271 $data = $info->{data};
3272 }
3273
3274 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3275 cf::face::set_type $idx, $info->{type};
3194 } else { 3276 } else {
3195 $data = $info->{data}; 3277 $RESOURCE{$name} = $info;
3196 } 3278 }
3197 3279
3198 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3199 cf::face::set_type $idx, $info->{type};
3200
3201 cf::cede_to_tick; 3280 cf::cede_to_tick;
3202 } 3281 }
3203
3204 if ($soundconf) {
3205 $soundconf = $enc->decode (delete $soundconf->{data});
3206
3207 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3208 my $sound = $soundconf->{compat}[$_]
3209 or next;
3210
3211 my $face = cf::face::find "sound/$sound->[1]";
3212 cf::sound::set $sound->[0] => $face;
3213 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3214 }
3215
3216 while (my ($k, $v) = each %{$soundconf->{event}}) {
3217 my $face = cf::face::find "sound/$v";
3218 cf::sound::set $k => $face;
3219 }
3220 }
3221 } 3282 }
3283
3284 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3222 3285
3223 1 3286 1
3224} 3287}
3288
3289cf::global->attach (on_resource_update => sub {
3290 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3291 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3292
3293 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3294 my $sound = $soundconf->{compat}[$_]
3295 or next;
3296
3297 my $face = cf::face::find "sound/$sound->[1]";
3298 cf::sound::set $sound->[0] => $face;
3299 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3300 }
3301
3302 while (my ($k, $v) = each %{$soundconf->{event}}) {
3303 my $face = cf::face::find "sound/$v";
3304 cf::sound::set $k => $face;
3305 }
3306 }
3307});
3225 3308
3226register_exticmd fx_want => sub { 3309register_exticmd fx_want => sub {
3227 my ($ns, $want) = @_; 3310 my ($ns, $want) = @_;
3228 3311
3229 while (my ($k, $v) = each %$want) { 3312 while (my ($k, $v) = each %$want) {
3284sub reload_config { 3367sub reload_config {
3285 open my $fh, "<:utf8", "$CONFDIR/config" 3368 open my $fh, "<:utf8", "$CONFDIR/config"
3286 or return; 3369 or return;
3287 3370
3288 local $/; 3371 local $/;
3289 *CFG = YAML::Syck::Load <$fh>; 3372 *CFG = YAML::Load <$fh>;
3290 3373
3291 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3374 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3292 3375
3293 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3376 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3294 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3377 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3306 # we must not ever block the main coroutine 3389 # we must not ever block the main coroutine
3307 local $Coro::idle = sub { 3390 local $Coro::idle = sub {
3308 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3391 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3309 (async { 3392 (async {
3310 $Coro::current->{desc} = "IDLE BUG HANDLER"; 3393 $Coro::current->{desc} = "IDLE BUG HANDLER";
3311 Event::one_event; 3394 EV::loop EV::LOOP_ONESHOT;
3312 })->prio (Coro::PRIO_MAX); 3395 })->prio (Coro::PRIO_MAX);
3313 }; 3396 };
3314 3397
3315 reload_config; 3398 reload_config;
3316 db_init; 3399 db_init;
3317 load_extensions; 3400 load_extensions;
3318 3401
3319 $TICK_WATCHER->start; 3402 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3403 evthread_start IO::AIO::poll_fileno;
3320 Event::loop; 3404 EV::loop;
3321} 3405}
3322 3406
3323############################################################################# 3407#############################################################################
3324# initialisation and cleanup 3408# initialisation and cleanup
3325 3409
3326# install some emergency cleanup handlers 3410# install some emergency cleanup handlers
3327BEGIN { 3411BEGIN {
3412 our %SIGWATCHER = ();
3328 for my $signal (qw(INT HUP TERM)) { 3413 for my $signal (qw(INT HUP TERM)) {
3329 Event->signal ( 3414 $SIGWATCHER{$signal} = EV::signal $signal, sub {
3330 reentrant => 0,
3331 data => WF_AUTOCANCEL,
3332 signal => $signal,
3333 prio => 0,
3334 cb => sub {
3335 cf::cleanup "SIG$signal"; 3415 cf::cleanup "SIG$signal";
3336 },
3337 ); 3416 };
3338 } 3417 }
3339} 3418}
3340 3419
3341sub write_runtime { 3420sub write_runtime_sync {
3342 my $runtime = "$LOCALDIR/runtime"; 3421 my $runtime = "$LOCALDIR/runtime";
3343 3422
3344 # first touch the runtime file to show we are still running: 3423 # first touch the runtime file to show we are still running:
3345 # the fsync below can take a very very long time. 3424 # the fsync below can take a very very long time.
3346 3425
3372 and return; 3451 and return;
3373 3452
3374 warn "runtime file written.\n"; 3453 warn "runtime file written.\n";
3375 3454
3376 1 3455 1
3456}
3457
3458our $uuid_lock;
3459our $uuid_skip;
3460
3461sub 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
3494sub write_uuid($$) {
3495 my ($skip, $sync) = @_;
3496
3497 $sync ? write_uuid_sync $skip
3498 : async { write_uuid_sync $skip };
3377} 3499}
3378 3500
3379sub emergency_save() { 3501sub emergency_save() {
3380 my $freeze_guard = cf::freeze_mainloop; 3502 my $freeze_guard = cf::freeze_mainloop;
3381 3503
3403 warn "end emergency map save\n"; 3525 warn "end emergency map save\n";
3404 3526
3405 warn "begin emergency database checkpoint\n"; 3527 warn "begin emergency database checkpoint\n";
3406 BDB::db_env_txn_checkpoint $DB_ENV; 3528 BDB::db_env_txn_checkpoint $DB_ENV;
3407 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";
3408 }; 3534 };
3409 3535
3410 warn "leave emergency perl save\n"; 3536 warn "leave emergency perl save\n";
3411} 3537}
3412 3538
3427 warn "reloading..."; 3553 warn "reloading...";
3428 3554
3429 warn "entering sync_job"; 3555 warn "entering sync_job";
3430 3556
3431 cf::sync_job { 3557 cf::sync_job {
3432 cf::write_runtime; # external watchdog should not bark 3558 cf::write_runtime_sync; # external watchdog should not bark
3433 cf::emergency_save; 3559 cf::emergency_save;
3434 cf::write_runtime; # external watchdog should not bark 3560 cf::write_runtime_sync; # external watchdog should not bark
3435 3561
3436 warn "syncing database to disk"; 3562 warn "syncing database to disk";
3437 BDB::db_env_txn_checkpoint $DB_ENV; 3563 BDB::db_env_txn_checkpoint $DB_ENV;
3438 3564
3439 # 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
3440
3441 warn "cancelling all WF_AUTOCANCEL watchers";
3442 for (Event::all_watchers) {
3443 $_->cancel if $_->data & WF_AUTOCANCEL;
3444 }
3445 3566
3446 warn "flushing outstanding aio requests"; 3567 warn "flushing outstanding aio requests";
3447 for (;;) { 3568 for (;;) {
3448 BDB::flush; 3569 BDB::flush;
3449 IO::AIO::flush; 3570 IO::AIO::flush;
3531 warn "leaving sync_job"; 3652 warn "leaving sync_job";
3532 3653
3533 1 3654 1
3534 } or do { 3655 } or do {
3535 warn $@; 3656 warn $@;
3536 warn "error while reloading, exiting."; 3657 cf::cleanup "error while reloading, exiting.";
3537 exit 1;
3538 }; 3658 };
3539 3659
3540 warn "reloaded"; 3660 warn "reloaded";
3541}; 3661};
3542 3662
3544 3664
3545sub reload_perl() { 3665sub reload_perl() {
3546 # doing reload synchronously and two reloads happen back-to-back, 3666 # doing reload synchronously and two reloads happen back-to-back,
3547 # coro crashes during coro_state_free->destroy here. 3667 # coro crashes during coro_state_free->destroy here.
3548 3668
3549 $RELOAD_WATCHER ||= Event->timer ( 3669 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3550 reentrant => 0,
3551 after => 0,
3552 data => WF_AUTOCANCEL,
3553 cb => sub {
3554 do_reload_perl; 3670 do_reload_perl;
3555 undef $RELOAD_WATCHER; 3671 undef $RELOAD_WATCHER;
3556 },
3557 ); 3672 };
3558} 3673}
3559 3674
3560register_command "reload" => sub { 3675register_command "reload" => sub {
3561 my ($who, $arg) = @_; 3676 my ($who, $arg) = @_;
3562 3677
3575 3690
3576our @WAIT_FOR_TICK; 3691our @WAIT_FOR_TICK;
3577our @WAIT_FOR_TICK_BEGIN; 3692our @WAIT_FOR_TICK_BEGIN;
3578 3693
3579sub wait_for_tick { 3694sub wait_for_tick {
3580 return unless $TICK_WATCHER->is_active; 3695 return if tick_inhibit;
3581 return if $Coro::current == $Coro::main; 3696 return if $Coro::current == $Coro::main;
3582 3697
3583 my $signal = new Coro::Signal; 3698 my $signal = new Coro::Signal;
3584 push @WAIT_FOR_TICK, $signal; 3699 push @WAIT_FOR_TICK, $signal;
3585 $signal->wait; 3700 $signal->wait;
3586} 3701}
3587 3702
3588sub wait_for_tick_begin { 3703sub wait_for_tick_begin {
3589 return unless $TICK_WATCHER->is_active; 3704 return if tick_inhibit;
3590 return if $Coro::current == $Coro::main; 3705 return if $Coro::current == $Coro::main;
3591 3706
3592 my $signal = new Coro::Signal; 3707 my $signal = new Coro::Signal;
3593 push @WAIT_FOR_TICK_BEGIN, $signal; 3708 push @WAIT_FOR_TICK_BEGIN, $signal;
3594 $signal->wait; 3709 $signal->wait;
3595} 3710}
3596 3711
3597$TICK_WATCHER = Event->timer ( 3712sub tick {
3598 reentrant => 0,
3599 parked => 1,
3600 prio => 0,
3601 at => $NEXT_TICK || $TICK,
3602 data => WF_AUTOCANCEL,
3603 cb => sub {
3604 if ($Coro::current != $Coro::main) { 3713 if ($Coro::current != $Coro::main) {
3605 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3714 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3606 unless ++$bug_warning > 10; 3715 unless ++$bug_warning > 10;
3607 return; 3716 return;
3608 } 3717 }
3609 3718
3610 $NOW = $tick_start = Event::time;
3611
3612 cf::server_tick; # one server iteration 3719 cf::server_tick; # one server iteration
3613 3720
3614 $RUNTIME += $TICK;
3615 $NEXT_TICK += $TICK;
3616
3617 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3721 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3618 $NEXT_RUNTIME_WRITE = $NOW + 10; 3722 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3619 Coro::async_pool { 3723 Coro::async_pool {
3620 $Coro::current->{desc} = "runtime saver"; 3724 $Coro::current->{desc} = "runtime saver";
3621 write_runtime 3725 write_runtime_sync
3622 or warn "ERROR: unable to write runtime file: $!"; 3726 or warn "ERROR: unable to write runtime file: $!";
3623 };
3624 } 3727 };
3728 }
3625 3729
3626 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3730 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3627 $sig->send; 3731 $sig->send;
3628 } 3732 }
3629 while (my $sig = shift @WAIT_FOR_TICK) { 3733 while (my $sig = shift @WAIT_FOR_TICK) {
3630 $sig->send; 3734 $sig->send;
3631 } 3735 }
3632 3736
3633 $NOW = Event::time; 3737 $LOAD = ($NOW - $TICK_START) / $TICK;
3634
3635 # if we are delayed by four ticks or more, skip them all
3636 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3637
3638 $TICK_WATCHER->at ($NEXT_TICK);
3639 $TICK_WATCHER->start;
3640
3641 $LOAD = ($NOW - $tick_start) / $TICK;
3642 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3738 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3643 3739
3644 _post_tick; 3740 if (0) {
3741 if ($NEXT_TICK) {
3742 my $jitter = $TICK_START - $NEXT_TICK;
3743 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3744 warn "jitter $JITTER\n";#d#
3745 }
3645 }, 3746 }
3646); 3747}
3647 3748
3648{ 3749{
3750 # configure BDB
3751
3649 BDB::min_parallel 8; 3752 BDB::min_parallel 8;
3650 BDB::max_poll_time $TICK * 0.1; 3753 BDB::max_poll_reqs $TICK * 0.1;
3651 $BDB_POLL_WATCHER = Event->io ( 3754 $Coro::BDB::WATCHER->priority (1);
3652 reentrant => 0,
3653 fd => BDB::poll_fileno,
3654 poll => 'r',
3655 prio => 0,
3656 data => WF_AUTOCANCEL,
3657 cb => \&BDB::poll_cb,
3658 );
3659
3660 BDB::set_sync_prepare {
3661 my $status;
3662 my $current = $Coro::current;
3663 (
3664 sub {
3665 $status = $!;
3666 $current->ready; undef $current;
3667 },
3668 sub {
3669 Coro::schedule while defined $current;
3670 $! = $status;
3671 },
3672 )
3673 };
3674 3755
3675 unless ($DB_ENV) { 3756 unless ($DB_ENV) {
3676 $DB_ENV = BDB::db_env_create; 3757 $DB_ENV = BDB::db_env_create;
3677 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC 3758 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3678 | BDB::LOG_AUTOREMOVE, 1); 3759 | BDB::LOG_AUTOREMOVE, 1);
3693 3774
3694 cf::cleanup "db_env_open(db): $@" if $@; 3775 cf::cleanup "db_env_open(db): $@" if $@;
3695 }; 3776 };
3696 } 3777 }
3697 3778
3698 $BDB_DEADLOCK_WATCHER = Event->timer ( 3779 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3699 after => 3,
3700 interval => 1,
3701 hard => 1,
3702 prio => 0,
3703 data => WF_AUTOCANCEL,
3704 cb => sub {
3705 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { }; 3780 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3706 },
3707 ); 3781 };
3708 $BDB_CHECKPOINT_WATCHER = Event->timer ( 3782 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3709 after => 11,
3710 interval => 60,
3711 hard => 1,
3712 prio => 0,
3713 data => WF_AUTOCANCEL,
3714 cb => sub {
3715 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { }; 3783 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3716 },
3717 ); 3784 };
3718 $BDB_TRICKLE_WATCHER = Event->timer ( 3785 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3719 after => 5,
3720 interval => 10,
3721 hard => 1,
3722 prio => 0,
3723 data => WF_AUTOCANCEL,
3724 cb => sub {
3725 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { }; 3786 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3726 },
3727 ); 3787 };
3728} 3788}
3729 3789
3730{ 3790{
3791 # configure IO::AIO
3792
3731 IO::AIO::min_parallel 8; 3793 IO::AIO::min_parallel 8;
3732
3733 undef $Coro::AIO::WATCHER;
3734 IO::AIO::max_poll_time $TICK * 0.1; 3794 IO::AIO::max_poll_time $TICK * 0.1;
3735 $AIO_POLL_WATCHER = Event->io ( 3795 $Coro::AIO::WATCHER->priority (1);
3736 reentrant => 0,
3737 data => WF_AUTOCANCEL,
3738 fd => IO::AIO::poll_fileno,
3739 poll => 'r',
3740 prio => 0,
3741 cb => \&IO::AIO::poll_cb,
3742 );
3743} 3796}
3744 3797
3745my $_log_backtrace; 3798my $_log_backtrace;
3746 3799
3747sub _log_backtrace { 3800sub _log_backtrace {

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