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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.390 by root, Thu Oct 25 09:01:24 2007 UTC vs.
Revision 1.417 by root, Fri Apr 11 14:09:57 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
162 180
163The raw value load value from the last tick. 181The raw value load value from the last tick.
164 182
165=item %cf::CFG 183=item %cf::CFG
166 184
167Configuration for the server, loaded from C</etc/crossfire/config>, or 185Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168from wherever your confdir points to. 186from wherever your confdir points to.
169 187
170=item cf::wait_for_tick, cf::wait_for_tick_begin 188=item cf::wait_for_tick, cf::wait_for_tick_begin
171 189
172These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 190These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
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>:
406 450
407BEGIN { *async = \&Coro::async_pool } 451BEGIN { *async = \&Coro::async_pool }
408 452
409=item cf::sync_job { BLOCK } 453=item cf::sync_job { BLOCK }
410 454
411The design of Crossfire TRT requires that the main coroutine ($Coro::main) 455The design of Deliantra requires that the main coroutine ($Coro::main)
412is always able to handle events or runnable, as Crossfire TRT is only 456is always able to handle events or runnable, as Deliantra is only
413partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not 457partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414acceptable. 458acceptable.
415 459
416If it must be done, put the blocking parts into C<sync_job>. This will run 460If it must be done, put the blocking parts into C<sync_job>. This will run
417the given BLOCK in another coroutine while waiting for the result. The 461the given BLOCK in another coroutine while waiting for the result. The
422 466
423sub sync_job(&) { 467sub sync_job(&) {
424 my ($job) = @_; 468 my ($job) = @_;
425 469
426 if ($Coro::current == $Coro::main) { 470 if ($Coro::current == $Coro::main) {
427 my $time = Event::time; 471 my $time = EV::time;
428 472
429 # this is the main coro, too bad, we have to block 473 # this is the main coro, too bad, we have to block
430 # till the operation succeeds, freezing the server :/ 474 # till the operation succeeds, freezing the server :/
431 475
432 LOG llevError, Carp::longmess "sync job";#d# 476 LOG llevError, Carp::longmess "sync job";#d#
433 477
434 # TODO: use suspend/resume instead
435 # (but this is cancel-safe)
436 my $freeze_guard = freeze_mainloop; 478 my $freeze_guard = freeze_mainloop;
437 479
438 my $busy = 1; 480 my $busy = 1;
439 my @res; 481 my @res;
440 482
447 489
448 while ($busy) { 490 while ($busy) {
449 if (Coro::nready) { 491 if (Coro::nready) {
450 Coro::cede_notself; 492 Coro::cede_notself;
451 } else { 493 } else {
452 Event::one_event; 494 EV::loop EV::LOOP_ONESHOT;
453 } 495 }
454 } 496 }
455 497
456 $time = Event::time - $time; 498 my $time = EV::time - $time;
457 499
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 500 $TICK_START += $time; # do not account sync jobs to server load
462 501
463 wantarray ? @res : $res[0] 502 wantarray ? @res : $res[0]
464 } else { 503 } else {
465 # we are in another coroutine, how wonderful, everything just works 504 # we are in another coroutine, how wonderful, everything just works
466 505
491=item fork_call { }, $args 530=item fork_call { }, $args
492 531
493Executes the given code block with the given arguments in a seperate 532Executes the given code block with the given arguments in a seperate
494process, returning the results. Everything must be serialisable with 533process, returning the results. Everything must be serialisable with
495Coro::Storable. May, of course, block. Note that the executed sub may 534Coro::Storable. May, of course, block. Note that the executed sub may
496never block itself or use any form of Event handling. 535never block itself or use any form of event handling.
497 536
498=cut 537=cut
499 538
500sub fork_call(&@) { 539sub fork_call(&@) {
501 my ($cb, @args) = @_; 540 my ($cb, @args) = @_;
508 reset_signals; 547 reset_signals;
509 &$cb 548 &$cb
510 }, @args; 549 }, @args;
511 550
512 wantarray ? @res : $res[-1] 551 wantarray ? @res : $res[-1]
552}
553
554=item $coin = coin_from_name $name
555
556=cut
557
558our %coin_alias = (
559 "silver" => "silvercoin",
560 "silvercoin" => "silvercoin",
561 "silvercoins" => "silvercoin",
562 "gold" => "goldcoin",
563 "goldcoin" => "goldcoin",
564 "goldcoins" => "goldcoin",
565 "platinum" => "platinacoin",
566 "platinumcoin" => "platinacoin",
567 "platinumcoins" => "platinacoin",
568 "platina" => "platinacoin",
569 "platinacoin" => "platinacoin",
570 "platinacoins" => "platinacoin",
571 "royalty" => "royalty",
572 "royalties" => "royalty",
573);
574
575sub coin_from_name($) {
576 $coin_alias{$_[0]}
577 ? cf::arch::find $coin_alias{$_[0]}
578 : undef
513} 579}
514 580
515=item $value = cf::db_get $family => $key 581=item $value = cf::db_get $family => $key
516 582
517Returns a single value from the environment database. 583Returns a single value from the environment database.
662attach callbacks/event handlers (a collection of which is called an "attachment") 728attach callbacks/event handlers (a collection of which is called an "attachment")
663to it. All such attachable objects support the following methods. 729to it. All such attachable objects support the following methods.
664 730
665In the following description, CLASS can be any of C<global>, C<object> 731In the following description, CLASS can be any of C<global>, C<object>
666C<player>, C<client> or C<map> (i.e. the attachable objects in 732C<player>, C<client> or C<map> (i.e. the attachable objects in
667Crossfire TRT). 733Deliantra).
668 734
669=over 4 735=over 4
670 736
671=item $attachable->attach ($attachment, key => $value...) 737=item $attachable->attach ($attachment, key => $value...)
672 738
954 } 1020 }
955 1021
956 0 1022 0
957} 1023}
958 1024
959=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1025=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
960 1026
961=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1027=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
962 1028
963Generate an object-specific event with the given arguments. 1029Generate an object-specific event with the given arguments.
964 1030
1042cf::attachable->attach ( 1108cf::attachable->attach (
1043 prio => -1000000, 1109 prio => -1000000,
1044 on_instantiate => sub { 1110 on_instantiate => sub {
1045 my ($obj, $data) = @_; 1111 my ($obj, $data) = @_;
1046 1112
1047 $data = from_json $data; 1113 $data = decode_json $data;
1048 1114
1049 for (@$data) { 1115 for (@$data) {
1050 my ($name, $args) = @$_; 1116 my ($name, $args) = @$_;
1051 1117
1052 $obj->attach ($name, %{$args || {} }); 1118 $obj->attach ($name, %{$args || {} });
1289 my $msg = $@ ? "$v->{path}: $@\n" 1355 my $msg = $@ ? "$v->{path}: $@\n"
1290 : "$v->{base}: extension inactive.\n"; 1356 : "$v->{base}: extension inactive.\n";
1291 1357
1292 if (exists $v->{meta}{mandatory}) { 1358 if (exists $v->{meta}{mandatory}) {
1293 warn $msg; 1359 warn $msg;
1294 warn "mandatory extension failed to load, exiting.\n"; 1360 cf::cleanup "mandatory extension failed to load, exiting.";
1295 exit 1;
1296 } 1361 }
1297 1362
1298 warn $msg; 1363 warn $msg;
1299 } 1364 }
1300 1365
1548 1613
1549Expand crossfire pod fragments into protocol xml. 1614Expand crossfire pod fragments into protocol xml.
1550 1615
1551=cut 1616=cut
1552 1617
1618use re 'eval';
1619
1620my $group;
1621my $interior; $interior = qr{
1622 # match a pod interior sequence sans C<< >>
1623 (?:
1624 \ (.*?)\ (?{ $group = $^N })
1625 | < (??{$interior}) >
1626 )
1627}x;
1628
1553sub expand_cfpod { 1629sub expand_cfpod {
1554 ((my $self), (local $_)) = @_; 1630 my ($self, $pod) = @_;
1555 1631
1556 # escape & and < 1632 my $xml;
1557 s/&/&amp;/g;
1558 s/(?<![BIUGHT])</&lt;/g;
1559 1633
1560 # this is buggy, it needs to properly take care of nested <'s 1634 while () {
1635 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1636 $group = $1;
1561 1637
1562 1 while 1638 $group =~ s/&/&amp;/g;
1563 # replace B<>, I<>, U<> etc. 1639 $group =~ s/</&lt;/g;
1564 s/B<([^\>]*)>/<b>$1<\/b>/ 1640
1565 || s/I<([^\>]*)>/<i>$1<\/i>/ 1641 $xml .= $group;
1566 || s/U<([^\>]*)>/<u>$1<\/u>/ 1642 } elsif ($pod =~ m%\G
1567 || s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/ 1643 ([BCGHITU])
1568 # replace G<male|female> tags 1644 <
1569 || s{G<([^>|]*)\|([^>]*)>}{ 1645 (?:
1570 $self->gender ? $2 : $1 1646 ([^<>]*) (?{ $group = $^N })
1571 }ge 1647 | < $interior >
1572 # replace H<hint text> 1648 )
1573 || s{H<([^\>]*)>} 1649 >
1650 %gcsx
1574 { 1651 ) {
1652 my ($code, $data) = ($1, $group);
1653
1654 if ($code eq "B") {
1655 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1656 } elsif ($code eq "I") {
1657 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1658 } elsif ($code eq "U") {
1659 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1660 } elsif ($code eq "C") {
1661 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1662 } elsif ($code eq "T") {
1663 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1664 } elsif ($code eq "G") {
1665 my ($male, $female) = split /\|/, $data;
1666 $data = $self->gender ? $female : $male;
1667 $xml .= expand_cfpod ($self, $data);
1668 } elsif ($code eq "H") {
1575 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>", 1669 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1576 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>", 1670 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1577 "") 1671 "")
1578 [$self->{hintmode}] 1672 [$self->{hintmode}];
1673 } else {
1674 $xml .= "error processing '$code($data)' directive";
1579 }ge; 1675 }
1676 } else {
1677 if ($pod =~ /\G(.+)/) {
1678 warn "parse error while expanding $pod (at $1)";
1679 }
1680 last;
1681 }
1682 }
1580 1683
1684 for ($xml) {
1581 # create single paragraphs (very hackish) 1685 # create single paragraphs (very hackish)
1582 s/(?<=\S)\n(?=\w)/ /g; 1686 s/(?<=\S)\n(?=\w)/ /g;
1583 1687
1584 # compress some whitespace 1688 # compress some whitespace
1585 s/\s+\n/\n/g; # ws line-ends 1689 s/\s+\n/\n/g; # ws line-ends
1586 s/\n\n+/\n/g; # double lines 1690 s/\n\n+/\n/g; # double lines
1587 s/^\n+//; # beginning lines 1691 s/^\n+//; # beginning lines
1588 s/\n+$//; # ending lines 1692 s/\n+$//; # ending lines
1693 }
1589 1694
1590 $_ 1695 $xml
1591} 1696}
1697
1698no re 'eval';
1592 1699
1593sub hintmode { 1700sub hintmode {
1594 $_[0]{hintmode} = $_[1] if @_ > 1; 1701 $_[0]{hintmode} = $_[1] if @_ > 1;
1595 $_[0]{hintmode} 1702 $_[0]{hintmode}
1596} 1703}
2270 : () 2377 : ()
2271 } @{ aio_readdir $UNIQUEDIR or [] } 2378 } @{ aio_readdir $UNIQUEDIR or [] }
2272 ] 2379 ]
2273} 2380}
2274 2381
2275package cf;
2276
2277=back 2382=back
2278 2383
2279=head3 cf::object 2384=head3 cf::object
2280 2385
2281=cut 2386=cut
2583 $rmp->{origin_y} = $exit->y; 2688 $rmp->{origin_y} = $exit->y;
2584 } 2689 }
2585 2690
2586 $rmp->{random_seed} ||= $exit->random_seed; 2691 $rmp->{random_seed} ||= $exit->random_seed;
2587 2692
2588 my $data = cf::to_json $rmp; 2693 my $data = cf::encode_json $rmp;
2589 my $md5 = Digest::MD5::md5_hex $data; 2694 my $md5 = Digest::MD5::md5_hex $data;
2590 my $meta = "$RANDOMDIR/$md5.meta"; 2695 my $meta = "$RANDOMDIR/$md5.meta";
2591 2696
2592 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2697 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2593 aio_write $fh, 0, (length $data), $data, 0; 2698 aio_write $fh, 0, (length $data), $data, 0;
2666the message, with C<log> being the default. If C<$color> is negative, suppress 2771the message, with C<log> being the default. If C<$color> is negative, suppress
2667the message unless the client supports the msg packet. 2772the message unless the client supports the msg packet.
2668 2773
2669=cut 2774=cut
2670 2775
2776# non-persistent channels (usually the info channel)
2671our %CHANNEL = ( 2777our %CHANNEL = (
2672 "c/identify" => { 2778 "c/identify" => {
2673 id => "infobox", 2779 id => "infobox",
2674 title => "Identify", 2780 title => "Identify",
2675 reply => undef, 2781 reply => undef,
2707 }, 2813 },
2708 "c/uptime" => { 2814 "c/uptime" => {
2709 id => "infobox", 2815 id => "infobox",
2710 title => "Uptime", 2816 title => "Uptime",
2711 reply => undef, 2817 reply => undef,
2712 tooltip => "How long the server has been running sicne last restart", 2818 tooltip => "How long the server has been running since last restart",
2713 }, 2819 },
2714 "c/mapinfo" => { 2820 "c/mapinfo" => {
2715 id => "infobox", 2821 id => "infobox",
2716 title => "Map Info", 2822 title => "Map Info",
2717 reply => undef, 2823 reply => undef,
3092 { 3198 {
3093 my $faces = $facedata->{faceinfo}; 3199 my $faces = $facedata->{faceinfo};
3094 3200
3095 while (my ($face, $info) = each %$faces) { 3201 while (my ($face, $info) = each %$faces) {
3096 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3202 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3203
3097 cf::face::set_visibility $idx, $info->{visibility}; 3204 cf::face::set_visibility $idx, $info->{visibility};
3098 cf::face::set_magicmap $idx, $info->{magicmap}; 3205 cf::face::set_magicmap $idx, $info->{magicmap};
3099 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32}; 3206 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3100 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64}; 3207 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3101 3208
3102 cf::cede_to_tick; 3209 cf::cede_to_tick;
3103 } 3210 }
3104 3211
3105 while (my ($face, $info) = each %$faces) { 3212 while (my ($face, $info) = each %$faces) {
3106 next unless $info->{smooth}; 3213 next unless $info->{smooth};
3214
3107 my $idx = cf::face::find $face 3215 my $idx = cf::face::find $face
3108 or next; 3216 or next;
3217
3109 if (my $smooth = cf::face::find $info->{smooth}) { 3218 if (my $smooth = cf::face::find $info->{smooth}) {
3110 cf::face::set_smooth $idx, $smooth; 3219 cf::face::set_smooth $idx, $smooth;
3111 cf::face::set_smoothlevel $idx, $info->{smoothlevel}; 3220 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3112 } else { 3221 } else {
3113 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3222 warn "smooth face '$info->{smooth}' not found for face '$face'";
3131 { 3240 {
3132 # TODO: for gcfclient pleasure, we should give resources 3241 # TODO: for gcfclient pleasure, we should give resources
3133 # that gcfclient doesn't grok a >10000 face index. 3242 # that gcfclient doesn't grok a >10000 face index.
3134 my $res = $facedata->{resource}; 3243 my $res = $facedata->{resource};
3135 3244
3136 my $soundconf = delete $res->{"res/sound.conf"};
3137
3138 while (my ($name, $info) = each %$res) { 3245 while (my ($name, $info) = each %$res) {
3246 if (defined $info->{type}) {
3139 my $idx = (cf::face::find $name) || cf::face::alloc $name; 3247 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3140 my $data; 3248 my $data;
3141 3249
3142 if ($info->{type} & 1) { 3250 if ($info->{type} & 1) {
3143 # prepend meta info 3251 # prepend meta info
3144 3252
3145 my $meta = $enc->encode ({ 3253 my $meta = $enc->encode ({
3146 name => $name, 3254 name => $name,
3147 %{ $info->{meta} || {} }, 3255 %{ $info->{meta} || {} },
3148 }); 3256 });
3149 3257
3150 $data = pack "(w/a*)*", $meta, $info->{data}; 3258 $data = pack "(w/a*)*", $meta, $info->{data};
3259 } else {
3260 $data = $info->{data};
3261 }
3262
3263 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3264 cf::face::set_type $idx, $info->{type};
3151 } else { 3265 } else {
3152 $data = $info->{data}; 3266 $RESOURCE{$name} = $info;
3153 } 3267 }
3154 3268
3155 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3156 cf::face::set_type $idx, $info->{type};
3157
3158 cf::cede_to_tick; 3269 cf::cede_to_tick;
3159 } 3270 }
3160
3161 if ($soundconf) {
3162 $soundconf = $enc->decode (delete $soundconf->{data});
3163
3164 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3165 my $sound = $soundconf->{compat}[$_]
3166 or next;
3167
3168 my $face = cf::face::find "sound/$sound->[1]";
3169 cf::sound::set $sound->[0] => $face;
3170 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3171 }
3172
3173 while (my ($k, $v) = each %{$soundconf->{event}}) {
3174 my $face = cf::face::find "sound/$v";
3175 cf::sound::set $k => $face;
3176 }
3177 }
3178 } 3271 }
3272
3273 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3179 3274
3180 1 3275 1
3181} 3276}
3277
3278cf::global->attach (on_resource_update => sub {
3279 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3280 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3281
3282 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3283 my $sound = $soundconf->{compat}[$_]
3284 or next;
3285
3286 my $face = cf::face::find "sound/$sound->[1]";
3287 cf::sound::set $sound->[0] => $face;
3288 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3289 }
3290
3291 while (my ($k, $v) = each %{$soundconf->{event}}) {
3292 my $face = cf::face::find "sound/$v";
3293 cf::sound::set $k => $face;
3294 }
3295 }
3296});
3182 3297
3183register_exticmd fx_want => sub { 3298register_exticmd fx_want => sub {
3184 my ($ns, $want) = @_; 3299 my ($ns, $want) = @_;
3185 3300
3186 while (my ($k, $v) = each %$want) { 3301 while (my ($k, $v) = each %$want) {
3241sub reload_config { 3356sub reload_config {
3242 open my $fh, "<:utf8", "$CONFDIR/config" 3357 open my $fh, "<:utf8", "$CONFDIR/config"
3243 or return; 3358 or return;
3244 3359
3245 local $/; 3360 local $/;
3246 *CFG = YAML::Syck::Load <$fh>; 3361 *CFG = YAML::Load <$fh>;
3247 3362
3248 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3363 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3249 3364
3250 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3365 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3251 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3366 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3263 # we must not ever block the main coroutine 3378 # we must not ever block the main coroutine
3264 local $Coro::idle = sub { 3379 local $Coro::idle = sub {
3265 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3380 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3266 (async { 3381 (async {
3267 $Coro::current->{desc} = "IDLE BUG HANDLER"; 3382 $Coro::current->{desc} = "IDLE BUG HANDLER";
3268 Event::one_event; 3383 EV::loop EV::LOOP_ONESHOT;
3269 })->prio (Coro::PRIO_MAX); 3384 })->prio (Coro::PRIO_MAX);
3270 }; 3385 };
3271 3386
3272 reload_config; 3387 reload_config;
3273 db_init; 3388 db_init;
3274 load_extensions; 3389 load_extensions;
3275 3390
3276 $TICK_WATCHER->start; 3391 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3392 evthread_start IO::AIO::poll_fileno;
3277 Event::loop; 3393 EV::loop;
3278} 3394}
3279 3395
3280############################################################################# 3396#############################################################################
3281# initialisation and cleanup 3397# initialisation and cleanup
3282 3398
3283# install some emergency cleanup handlers 3399# install some emergency cleanup handlers
3284BEGIN { 3400BEGIN {
3401 our %SIGWATCHER = ();
3285 for my $signal (qw(INT HUP TERM)) { 3402 for my $signal (qw(INT HUP TERM)) {
3286 Event->signal ( 3403 $SIGWATCHER{$signal} = EV::signal $signal, sub {
3287 reentrant => 0,
3288 data => WF_AUTOCANCEL,
3289 signal => $signal,
3290 prio => 0,
3291 cb => sub {
3292 cf::cleanup "SIG$signal"; 3404 cf::cleanup "SIG$signal";
3293 },
3294 ); 3405 };
3295 } 3406 }
3296} 3407}
3297 3408
3298sub write_runtime { 3409sub write_runtime_sync {
3299 my $runtime = "$LOCALDIR/runtime"; 3410 my $runtime = "$LOCALDIR/runtime";
3300 3411
3301 # first touch the runtime file to show we are still running: 3412 # first touch the runtime file to show we are still running:
3302 # the fsync below can take a very very long time. 3413 # the fsync below can take a very very long time.
3303 3414
3329 and return; 3440 and return;
3330 3441
3331 warn "runtime file written.\n"; 3442 warn "runtime file written.\n";
3332 3443
3333 1 3444 1
3445}
3446
3447our $uuid_lock;
3448our $uuid_skip;
3449
3450sub write_uuid_sync($) {
3451 $uuid_skip ||= $_[0];
3452
3453 return if $uuid_lock;
3454 local $uuid_lock = 1;
3455
3456 my $uuid = "$LOCALDIR/uuid";
3457
3458 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3459 or return;
3460
3461 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3462 $uuid_skip = 0;
3463
3464 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3465 and return;
3466
3467 # always fsync - this file is important
3468 aio_fsync $fh
3469 and return;
3470
3471 close $fh
3472 or return;
3473
3474 aio_rename "$uuid~", $uuid
3475 and return;
3476
3477 warn "uuid file written ($value).\n";
3478
3479 1
3480
3481}
3482
3483sub write_uuid($$) {
3484 my ($skip, $sync) = @_;
3485
3486 $sync ? write_uuid_sync $skip
3487 : async { write_uuid_sync $skip };
3334} 3488}
3335 3489
3336sub emergency_save() { 3490sub emergency_save() {
3337 my $freeze_guard = cf::freeze_mainloop; 3491 my $freeze_guard = cf::freeze_mainloop;
3338 3492
3360 warn "end emergency map save\n"; 3514 warn "end emergency map save\n";
3361 3515
3362 warn "begin emergency database checkpoint\n"; 3516 warn "begin emergency database checkpoint\n";
3363 BDB::db_env_txn_checkpoint $DB_ENV; 3517 BDB::db_env_txn_checkpoint $DB_ENV;
3364 warn "end emergency database checkpoint\n"; 3518 warn "end emergency database checkpoint\n";
3519
3520 warn "begin write uuid\n";
3521 write_uuid_sync 1;
3522 warn "end write uuid\n";
3365 }; 3523 };
3366 3524
3367 warn "leave emergency perl save\n"; 3525 warn "leave emergency perl save\n";
3368} 3526}
3369 3527
3384 warn "reloading..."; 3542 warn "reloading...";
3385 3543
3386 warn "entering sync_job"; 3544 warn "entering sync_job";
3387 3545
3388 cf::sync_job { 3546 cf::sync_job {
3389 cf::write_runtime; # external watchdog should not bark 3547 cf::write_runtime_sync; # external watchdog should not bark
3390 cf::emergency_save; 3548 cf::emergency_save;
3391 cf::write_runtime; # external watchdog should not bark 3549 cf::write_runtime_sync; # external watchdog should not bark
3392 3550
3393 warn "syncing database to disk"; 3551 warn "syncing database to disk";
3394 BDB::db_env_txn_checkpoint $DB_ENV; 3552 BDB::db_env_txn_checkpoint $DB_ENV;
3395 3553
3396 # if anything goes wrong in here, we should simply crash as we already saved 3554 # if anything goes wrong in here, we should simply crash as we already saved
3397
3398 warn "cancelling all WF_AUTOCANCEL watchers";
3399 for (Event::all_watchers) {
3400 $_->cancel if $_->data & WF_AUTOCANCEL;
3401 }
3402 3555
3403 warn "flushing outstanding aio requests"; 3556 warn "flushing outstanding aio requests";
3404 for (;;) { 3557 for (;;) {
3405 BDB::flush; 3558 BDB::flush;
3406 IO::AIO::flush; 3559 IO::AIO::flush;
3488 warn "leaving sync_job"; 3641 warn "leaving sync_job";
3489 3642
3490 1 3643 1
3491 } or do { 3644 } or do {
3492 warn $@; 3645 warn $@;
3493 warn "error while reloading, exiting."; 3646 cf::cleanup "error while reloading, exiting.";
3494 exit 1;
3495 }; 3647 };
3496 3648
3497 warn "reloaded"; 3649 warn "reloaded";
3498}; 3650};
3499 3651
3501 3653
3502sub reload_perl() { 3654sub reload_perl() {
3503 # doing reload synchronously and two reloads happen back-to-back, 3655 # doing reload synchronously and two reloads happen back-to-back,
3504 # coro crashes during coro_state_free->destroy here. 3656 # coro crashes during coro_state_free->destroy here.
3505 3657
3506 $RELOAD_WATCHER ||= Event->timer ( 3658 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3507 reentrant => 0,
3508 after => 0,
3509 data => WF_AUTOCANCEL,
3510 cb => sub {
3511 do_reload_perl; 3659 do_reload_perl;
3512 undef $RELOAD_WATCHER; 3660 undef $RELOAD_WATCHER;
3513 },
3514 ); 3661 };
3515} 3662}
3516 3663
3517register_command "reload" => sub { 3664register_command "reload" => sub {
3518 my ($who, $arg) = @_; 3665 my ($who, $arg) = @_;
3519 3666
3532 3679
3533our @WAIT_FOR_TICK; 3680our @WAIT_FOR_TICK;
3534our @WAIT_FOR_TICK_BEGIN; 3681our @WAIT_FOR_TICK_BEGIN;
3535 3682
3536sub wait_for_tick { 3683sub wait_for_tick {
3537 return unless $TICK_WATCHER->is_active; 3684 return if tick_inhibit;
3538 return if $Coro::current == $Coro::main; 3685 return if $Coro::current == $Coro::main;
3539 3686
3540 my $signal = new Coro::Signal; 3687 my $signal = new Coro::Signal;
3541 push @WAIT_FOR_TICK, $signal; 3688 push @WAIT_FOR_TICK, $signal;
3542 $signal->wait; 3689 $signal->wait;
3543} 3690}
3544 3691
3545sub wait_for_tick_begin { 3692sub wait_for_tick_begin {
3546 return unless $TICK_WATCHER->is_active; 3693 return if tick_inhibit;
3547 return if $Coro::current == $Coro::main; 3694 return if $Coro::current == $Coro::main;
3548 3695
3549 my $signal = new Coro::Signal; 3696 my $signal = new Coro::Signal;
3550 push @WAIT_FOR_TICK_BEGIN, $signal; 3697 push @WAIT_FOR_TICK_BEGIN, $signal;
3551 $signal->wait; 3698 $signal->wait;
3552} 3699}
3553 3700
3554$TICK_WATCHER = Event->timer ( 3701sub tick {
3555 reentrant => 0,
3556 parked => 1,
3557 prio => 0,
3558 at => $NEXT_TICK || $TICK,
3559 data => WF_AUTOCANCEL,
3560 cb => sub {
3561 if ($Coro::current != $Coro::main) { 3702 if ($Coro::current != $Coro::main) {
3562 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3703 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3563 unless ++$bug_warning > 10; 3704 unless ++$bug_warning > 10;
3564 return; 3705 return;
3565 } 3706 }
3566 3707
3567 $NOW = $tick_start = Event::time;
3568
3569 cf::server_tick; # one server iteration 3708 cf::server_tick; # one server iteration
3570 3709
3571 $RUNTIME += $TICK;
3572 $NEXT_TICK += $TICK;
3573
3574 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3710 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3575 $NEXT_RUNTIME_WRITE = $NOW + 10; 3711 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3576 Coro::async_pool { 3712 Coro::async_pool {
3577 $Coro::current->{desc} = "runtime saver"; 3713 $Coro::current->{desc} = "runtime saver";
3578 write_runtime 3714 write_runtime_sync
3579 or warn "ERROR: unable to write runtime file: $!"; 3715 or warn "ERROR: unable to write runtime file: $!";
3580 };
3581 } 3716 };
3717 }
3582 3718
3583 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3719 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3584 $sig->send; 3720 $sig->send;
3585 } 3721 }
3586 while (my $sig = shift @WAIT_FOR_TICK) { 3722 while (my $sig = shift @WAIT_FOR_TICK) {
3587 $sig->send; 3723 $sig->send;
3588 } 3724 }
3589 3725
3590 $NOW = Event::time; 3726 $LOAD = ($NOW - $TICK_START) / $TICK;
3591
3592 # if we are delayed by four ticks or more, skip them all
3593 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3594
3595 $TICK_WATCHER->at ($NEXT_TICK);
3596 $TICK_WATCHER->start;
3597
3598 $LOAD = ($NOW - $tick_start) / $TICK;
3599 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3727 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3600 3728
3601 _post_tick; 3729 if (0) {
3730 if ($NEXT_TICK) {
3731 my $jitter = $TICK_START - $NEXT_TICK;
3732 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3733 warn "jitter $JITTER\n";#d#
3734 }
3602 }, 3735 }
3603); 3736}
3604 3737
3605{ 3738{
3739 # configure BDB
3740
3606 BDB::min_parallel 8; 3741 BDB::min_parallel 8;
3607 BDB::max_poll_time $TICK * 0.1; 3742 BDB::max_poll_reqs $TICK * 0.1;
3608 $BDB_POLL_WATCHER = Event->io ( 3743 $Coro::BDB::WATCHER->priority (1);
3609 reentrant => 0,
3610 fd => BDB::poll_fileno,
3611 poll => 'r',
3612 prio => 0,
3613 data => WF_AUTOCANCEL,
3614 cb => \&BDB::poll_cb,
3615 );
3616
3617 BDB::set_sync_prepare {
3618 my $status;
3619 my $current = $Coro::current;
3620 (
3621 sub {
3622 $status = $!;
3623 $current->ready; undef $current;
3624 },
3625 sub {
3626 Coro::schedule while defined $current;
3627 $! = $status;
3628 },
3629 )
3630 };
3631 3744
3632 unless ($DB_ENV) { 3745 unless ($DB_ENV) {
3633 $DB_ENV = BDB::db_env_create; 3746 $DB_ENV = BDB::db_env_create;
3634 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC 3747 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3635 | BDB::LOG_AUTOREMOVE, 1); 3748 | BDB::LOG_AUTOREMOVE, 1);
3650 3763
3651 cf::cleanup "db_env_open(db): $@" if $@; 3764 cf::cleanup "db_env_open(db): $@" if $@;
3652 }; 3765 };
3653 } 3766 }
3654 3767
3655 $BDB_DEADLOCK_WATCHER = Event->timer ( 3768 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3656 after => 3,
3657 interval => 1,
3658 hard => 1,
3659 prio => 0,
3660 data => WF_AUTOCANCEL,
3661 cb => sub {
3662 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { }; 3769 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3663 },
3664 ); 3770 };
3665 $BDB_CHECKPOINT_WATCHER = Event->timer ( 3771 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3666 after => 11,
3667 interval => 60,
3668 hard => 1,
3669 prio => 0,
3670 data => WF_AUTOCANCEL,
3671 cb => sub {
3672 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { }; 3772 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3673 },
3674 ); 3773 };
3675 $BDB_TRICKLE_WATCHER = Event->timer ( 3774 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3676 after => 5,
3677 interval => 10,
3678 hard => 1,
3679 prio => 0,
3680 data => WF_AUTOCANCEL,
3681 cb => sub {
3682 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { }; 3775 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3683 },
3684 ); 3776 };
3685} 3777}
3686 3778
3687{ 3779{
3780 # configure IO::AIO
3781
3688 IO::AIO::min_parallel 8; 3782 IO::AIO::min_parallel 8;
3689
3690 undef $Coro::AIO::WATCHER;
3691 IO::AIO::max_poll_time $TICK * 0.1; 3783 IO::AIO::max_poll_time $TICK * 0.1;
3692 $AIO_POLL_WATCHER = Event->io ( 3784 $Coro::AIO::WATCHER->priority (1);
3693 reentrant => 0,
3694 data => WF_AUTOCANCEL,
3695 fd => IO::AIO::poll_fileno,
3696 poll => 'r',
3697 prio => 0,
3698 cb => \&IO::AIO::poll_cb,
3699 );
3700} 3785}
3701 3786
3702my $_log_backtrace; 3787my $_log_backtrace;
3703 3788
3704sub _log_backtrace { 3789sub _log_backtrace {

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