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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.388 by root, Thu Oct 18 02:56:13 2007 UTC vs.
Revision 1.426 by root, Thu Apr 24 04:40:31 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($$) {
378 my ($interval, $cb) = @_;
379
380 my $start = rand List::Util::min 180, $interval;
381
382 EV::periodic $start, $interval, 0, $cb
339} 383}
340 384
341=item cf::get_slot $time[, $priority[, $name]] 385=item cf::get_slot $time[, $priority[, $name]]
342 386
343Allocate $time seconds of blocking CPU time at priority C<$priority>: 387Allocate $time seconds of blocking CPU time at priority C<$priority>:
383 } 427 }
384 } 428 }
385}; 429};
386 430
387sub get_slot($;$$) { 431sub get_slot($;$$) {
432 return if tick_inhibit || $Coro::current == $Coro::main;
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
406 452
407BEGIN { *async = \&Coro::async_pool } 453BEGIN { *async = \&Coro::async_pool }
408 454
409=item cf::sync_job { BLOCK } 455=item cf::sync_job { BLOCK }
410 456
411The design of Crossfire TRT requires that the main coroutine ($Coro::main) 457The design of Deliantra requires that the main coroutine ($Coro::main)
412is always able to handle events or runnable, as Crossfire TRT is only 458is 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 459partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414acceptable. 460acceptable.
415 461
416If it must be done, put the blocking parts into C<sync_job>. This will run 462If 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 463the given BLOCK in another coroutine while waiting for the result. The
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.
662attach callbacks/event handlers (a collection of which is called an "attachment") 730attach callbacks/event handlers (a collection of which is called an "attachment")
663to it. All such attachable objects support the following methods. 731to it. All such attachable objects support the following methods.
664 732
665In the following description, CLASS can be any of C<global>, C<object> 733In 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 734C<player>, C<client> or C<map> (i.e. the attachable objects in
667Crossfire TRT). 735Deliantra).
668 736
669=over 4 737=over 4
670 738
671=item $attachable->attach ($attachment, key => $value...) 739=item $attachable->attach ($attachment, key => $value...)
672 740
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
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;
1413 1480
1481 cf::get_slot 0.01;
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
1418sub new($) { 1487sub new($) {
1548 1617
1549Expand crossfire pod fragments into protocol xml. 1618Expand crossfire pod fragments into protocol xml.
1550 1619
1551=cut 1620=cut
1552 1621
1622use re 'eval';
1623
1624my $group;
1625my $interior; $interior = qr{
1626 # match a pod interior sequence sans C<< >>
1627 (?:
1628 \ (.*?)\ (?{ $group = $^N })
1629 | < (??{$interior}) >
1630 )
1631}x;
1632
1553sub expand_cfpod { 1633sub expand_cfpod {
1554 ((my $self), (local $_)) = @_; 1634 my ($self, $pod) = @_;
1555 1635
1556 # escape & and < 1636 my $xml;
1557 s/&/&amp;/g;
1558 s/(?<![BIUGHT])</&lt;/g;
1559 1637
1560 # this is buggy, it needs to properly take care of nested <'s 1638 while () {
1639 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1640 $group = $1;
1561 1641
1562 1 while 1642 $group =~ s/&/&amp;/g;
1563 # replace B<>, I<>, U<> etc. 1643 $group =~ s/</&lt;/g;
1564 s/B<([^\>]*)>/<b>$1<\/b>/ 1644
1565 || s/I<([^\>]*)>/<i>$1<\/i>/ 1645 $xml .= $group;
1566 || s/U<([^\>]*)>/<u>$1<\/u>/ 1646 } elsif ($pod =~ m%\G
1567 || s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/ 1647 ([BCGHITU])
1568 # replace G<male|female> tags 1648 <
1569 || s{G<([^>|]*)\|([^>]*)>}{ 1649 (?:
1570 $self->gender ? $2 : $1 1650 ([^<>]*) (?{ $group = $^N })
1571 }ge 1651 | < $interior >
1572 # replace H<hint text> 1652 )
1573 || s{H<([^\>]*)>} 1653 >
1654 %gcsx
1574 { 1655 ) {
1656 my ($code, $data) = ($1, $group);
1657
1658 if ($code eq "B") {
1659 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1660 } elsif ($code eq "I") {
1661 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1662 } elsif ($code eq "U") {
1663 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1664 } elsif ($code eq "C") {
1665 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1666 } elsif ($code eq "T") {
1667 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1668 } elsif ($code eq "G") {
1669 my ($male, $female) = split /\|/, $data;
1670 $data = $self->gender ? $female : $male;
1671 $xml .= expand_cfpod ($self, $data);
1672 } elsif ($code eq "H") {
1575 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>", 1673 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1576 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>", 1674 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1577 "") 1675 "")
1578 [$self->{hintmode}] 1676 [$self->{hintmode}];
1677 } else {
1678 $xml .= "error processing '$code($data)' directive";
1579 }ge; 1679 }
1680 } else {
1681 if ($pod =~ /\G(.+)/) {
1682 warn "parse error while expanding $pod (at $1)";
1683 }
1684 last;
1685 }
1686 }
1580 1687
1688 for ($xml) {
1581 # create single paragraphs (very hackish) 1689 # create single paragraphs (very hackish)
1582 s/(?<=\S)\n(?=\w)/ /g; 1690 s/(?<=\S)\n(?=\w)/ /g;
1583 1691
1584 # compress some whitespace 1692 # compress some whitespace
1585 s/\s+\n/\n/g; # ws line-ends 1693 s/\s+\n/\n/g; # ws line-ends
1586 s/\n\n+/\n/g; # double lines 1694 s/\n\n+/\n/g; # double lines
1587 s/^\n+//; # beginning lines 1695 s/^\n+//; # beginning lines
1588 s/\n+$//; # ending lines 1696 s/\n+$//; # ending lines
1697 }
1589 1698
1590 $_ 1699 $xml
1591} 1700}
1701
1702no re 'eval';
1592 1703
1593sub hintmode { 1704sub hintmode {
1594 $_[0]{hintmode} = $_[1] if @_ > 1; 1705 $_[0]{hintmode} = $_[1] if @_ > 1;
1595 $_[0]{hintmode} 1706 $_[0]{hintmode}
1596} 1707}
1668our $MAX_RESET = 3600; 1779our $MAX_RESET = 3600;
1669our $DEFAULT_RESET = 3000; 1780our $DEFAULT_RESET = 3000;
1670 1781
1671sub generate_random_map { 1782sub generate_random_map {
1672 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
1673 # mit "rum" bekleckern, nicht 1787 # mit "rum" bekleckern, nicht
1674 $self->_create_random_map ( 1788 $self->_create_random_map (
1675 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1789 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1676 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1790 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1677 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1791 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1799 1913
1800# the temporary/swap location 1914# the temporary/swap location
1801sub save_path { 1915sub save_path {
1802 my ($self) = @_; 1916 my ($self) = @_;
1803 1917
1804 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1918 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1805 "$TMPDIR/$path.map" 1919 "$TMPDIR/$path.map"
1806} 1920}
1807 1921
1808# the unique path, undef == no special unique path 1922# the unique path, undef == no special unique path
1809sub uniq_path { 1923sub uniq_path {
1810 my ($self) = @_; 1924 my ($self) = @_;
1811 1925
1812 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1926 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1813 "$UNIQUEDIR/$path" 1927 "$UNIQUEDIR/$path"
1814} 1928}
1815 1929
1816# and all this just because we cannot iterate over 1930# and all this just because we cannot iterate over
1817# all maps in C++... 1931# all maps in C++...
2003 } 2117 }
2004 2118
2005 $self->{last_save} = $cf::RUNTIME; 2119 $self->{last_save} = $cf::RUNTIME;
2006 $self->last_access ($cf::RUNTIME); 2120 $self->last_access ($cf::RUNTIME);
2007 2121
2008 $self->in_memory (cf::MAP_IN_MEMORY); 2122 $self->in_memory (cf::MAP_ACTIVE);
2009 } 2123 }
2010 2124
2011 $self->post_load; 2125 $self->post_load;
2012} 2126}
2013 2127
2071 my ($path, $origin, $load) = @_; 2185 my ($path, $origin, $load) = @_;
2072 2186
2073 $path = normalise $path, $origin && $origin->{path}; 2187 $path = normalise $path, $origin && $origin->{path};
2074 2188
2075 if (my $map = $cf::MAP{$path}) { 2189 if (my $map = $cf::MAP{$path}) {
2076 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY; 2190 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2077 } 2191 }
2078 2192
2079 $MAP_PREFETCH{$path} |= $load; 2193 $MAP_PREFETCH{$path} |= $load;
2080 2194
2081 $MAP_PREFETCHER ||= cf::async { 2195 $MAP_PREFETCHER ||= cf::async {
2118 cf::async { 2232 cf::async {
2119 $Coro::current->{desc} = "map player save"; 2233 $Coro::current->{desc} = "map player save";
2120 $_->contr->save for $self->players; 2234 $_->contr->save for $self->players;
2121 }; 2235 };
2122 2236
2237 cf::get_slot 0.02;
2238
2123 if ($uniq) { 2239 if ($uniq) {
2124 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2240 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2125 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2241 $self->_save_objects ($uniq, cf::IO_UNIQUES);
2126 } else { 2242 } else {
2127 $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);
2135 $self->save; 2251 $self->save;
2136 2252
2137 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2253 my $lock = cf::lock_acquire "map_data:$self->{path}";
2138 2254
2139 return if $self->players; 2255 return if $self->players;
2140 return if $self->in_memory != cf::MAP_IN_MEMORY; 2256 return if $self->in_memory != cf::MAP_ACTIVE;
2141 return if $self->{deny_save}; 2257 return if $self->{deny_save};
2142 2258
2143 $self->in_memory (cf::MAP_SWAPPED); 2259 $self->in_memory (cf::MAP_SWAPPED);
2144 2260
2145 $self->deactivate; 2261 $self->deactivate;
2263 2379
2264sub unique_maps() { 2380sub unique_maps() {
2265 [ 2381 [
2266 map { 2382 map {
2267 utf8::decode $_; 2383 utf8::decode $_;
2268 /\.map$/ 2384 s/\.map$//; # TODO future compatibility hack
2385 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2386 ? ()
2269 ? normalise $_ 2387 : normalise $_
2270 : ()
2271 } @{ aio_readdir $UNIQUEDIR or [] } 2388 } @{ aio_readdir $UNIQUEDIR or [] }
2272 ] 2389 ]
2273} 2390}
2274 2391
2275package cf;
2276
2277=back 2392=back
2278 2393
2279=head3 cf::object 2394=head3 cf::object
2280 2395
2281=cut 2396=cut
2284 2399
2285=over 4 2400=over 4
2286 2401
2287=item $ob->inv_recursive 2402=item $ob->inv_recursive
2288 2403
2289Returns 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.
2290 2406
2291=cut 2407=cut
2292 2408
2293sub inv_recursive_; 2409sub inv_recursive_;
2294sub inv_recursive_ { 2410sub inv_recursive_ {
2299 inv_recursive_ inv $_[0] 2415 inv_recursive_ inv $_[0]
2300} 2416}
2301 2417
2302=item $ref = $ob->ref 2418=item $ref = $ob->ref
2303 2419
2304creates 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.
2305 2421
2306=item $ob = cf::object::deref ($refstring) 2422=item $ob = cf::object::deref ($refstring)
2307 2423
2308returns 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,
2309even if the object actually exists. May block. 2425even if the object actually exists. May block.
2583 $rmp->{origin_y} = $exit->y; 2699 $rmp->{origin_y} = $exit->y;
2584 } 2700 }
2585 2701
2586 $rmp->{random_seed} ||= $exit->random_seed; 2702 $rmp->{random_seed} ||= $exit->random_seed;
2587 2703
2588 my $data = cf::to_json $rmp; 2704 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2589 my $md5 = Digest::MD5::md5_hex $data; 2705 my $md5 = Digest::MD5::md5_hex $data;
2590 my $meta = "$RANDOMDIR/$md5.meta"; 2706 my $meta = "$RANDOMDIR/$md5.meta";
2591 2707
2592 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2708 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2593 aio_write $fh, 0, (length $data), $data, 0; 2709 aio_write $fh, 0, (length $data), $data, 0;
2666the message, with C<log> being the default. If C<$color> is negative, suppress 2782the message, with C<log> being the default. If C<$color> is negative, suppress
2667the message unless the client supports the msg packet. 2783the message unless the client supports the msg packet.
2668 2784
2669=cut 2785=cut
2670 2786
2787# non-persistent channels (usually the info channel)
2671our %CHANNEL = ( 2788our %CHANNEL = (
2672 "c/identify" => { 2789 "c/identify" => {
2673 id => "infobox", 2790 id => "infobox",
2674 title => "Identify", 2791 title => "Identify",
2675 reply => undef, 2792 reply => undef,
2679 id => "infobox", 2796 id => "infobox",
2680 title => "Examine", 2797 title => "Examine",
2681 reply => undef, 2798 reply => undef,
2682 tooltip => "Signs and other items you examined", 2799 tooltip => "Signs and other items you examined",
2683 }, 2800 },
2801 "c/book" => {
2802 id => "infobox",
2803 title => "Book",
2804 reply => undef,
2805 tooltip => "The contents of a note or book",
2806 },
2684 "c/lookat" => { 2807 "c/lookat" => {
2685 id => "infobox", 2808 id => "infobox",
2686 title => "Look", 2809 title => "Look",
2687 reply => undef, 2810 reply => undef,
2688 tooltip => "What you saw there", 2811 tooltip => "What you saw there",
2812 },
2813 "c/who" => {
2814 id => "infobox",
2815 title => "Players",
2816 reply => undef,
2817 tooltip => "Shows players who are currently online",
2818 },
2819 "c/body" => {
2820 id => "infobox",
2821 title => "Body Parts",
2822 reply => undef,
2823 tooltip => "Shows which body parts you posess and are available",
2824 },
2825 "c/uptime" => {
2826 id => "infobox",
2827 title => "Uptime",
2828 reply => undef,
2829 tooltip => "How long the server has been running since last restart",
2830 },
2831 "c/mapinfo" => {
2832 id => "infobox",
2833 title => "Map Info",
2834 reply => undef,
2835 tooltip => "Information related to the maps",
2836 },
2837 "c/party" => {
2838 id => "party",
2839 title => "Party",
2840 reply => "gsay ",
2841 tooltip => "Messages and chat related to your party",
2689 }, 2842 },
2690); 2843);
2691 2844
2692sub cf::client::send_msg { 2845sub cf::client::send_msg {
2693 my ($self, $channel, $msg, $color, @extra) = @_; 2846 my ($self, $channel, $msg, $color, @extra) = @_;
2931 3084
2932The following functions and methods are available within a safe environment: 3085The following functions and methods are available within a safe environment:
2933 3086
2934 cf::object 3087 cf::object
2935 contr pay_amount pay_player map x y force_find force_add destroy 3088 contr pay_amount pay_player map x y force_find force_add destroy
2936 insert remove name archname title slaying race decrease_ob_nr 3089 insert remove name archname title slaying race decrease split
2937 3090
2938 cf::object::player 3091 cf::object::player
2939 player 3092 player
2940 3093
2941 cf::player 3094 cf::player
2947=cut 3100=cut
2948 3101
2949for ( 3102for (
2950 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3103 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2951 insert remove inv name archname title slaying race 3104 insert remove inv name archname title slaying race
2952 decrease_ob_nr destroy)], 3105 decrease split destroy)],
2953 ["cf::object::player" => qw(player)], 3106 ["cf::object::player" => qw(player)],
2954 ["cf::player" => qw(peaceful)], 3107 ["cf::player" => qw(peaceful)],
2955 ["cf::map" => qw(trigger)], 3108 ["cf::map" => qw(trigger)],
2956) { 3109) {
2957 no strict 'refs'; 3110 no strict 'refs';
3062 { 3215 {
3063 my $faces = $facedata->{faceinfo}; 3216 my $faces = $facedata->{faceinfo};
3064 3217
3065 while (my ($face, $info) = each %$faces) { 3218 while (my ($face, $info) = each %$faces) {
3066 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3219 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3220
3067 cf::face::set_visibility $idx, $info->{visibility}; 3221 cf::face::set_visibility $idx, $info->{visibility};
3068 cf::face::set_magicmap $idx, $info->{magicmap}; 3222 cf::face::set_magicmap $idx, $info->{magicmap};
3069 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32}; 3223 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3070 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64}; 3224 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3071 3225
3072 cf::cede_to_tick; 3226 cf::cede_to_tick;
3073 } 3227 }
3074 3228
3075 while (my ($face, $info) = each %$faces) { 3229 while (my ($face, $info) = each %$faces) {
3076 next unless $info->{smooth}; 3230 next unless $info->{smooth};
3231
3077 my $idx = cf::face::find $face 3232 my $idx = cf::face::find $face
3078 or next; 3233 or next;
3234
3079 if (my $smooth = cf::face::find $info->{smooth}) { 3235 if (my $smooth = cf::face::find $info->{smooth}) {
3080 cf::face::set_smooth $idx, $smooth; 3236 cf::face::set_smooth $idx, $smooth;
3081 cf::face::set_smoothlevel $idx, $info->{smoothlevel}; 3237 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3082 } else { 3238 } else {
3083 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3239 warn "smooth face '$info->{smooth}' not found for face '$face'";
3101 { 3257 {
3102 # TODO: for gcfclient pleasure, we should give resources 3258 # TODO: for gcfclient pleasure, we should give resources
3103 # that gcfclient doesn't grok a >10000 face index. 3259 # that gcfclient doesn't grok a >10000 face index.
3104 my $res = $facedata->{resource}; 3260 my $res = $facedata->{resource};
3105 3261
3106 my $soundconf = delete $res->{"res/sound.conf"};
3107
3108 while (my ($name, $info) = each %$res) { 3262 while (my ($name, $info) = each %$res) {
3263 if (defined $info->{type}) {
3109 my $idx = (cf::face::find $name) || cf::face::alloc $name; 3264 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3110 my $data; 3265 my $data;
3111 3266
3112 if ($info->{type} & 1) { 3267 if ($info->{type} & 1) {
3113 # prepend meta info 3268 # prepend meta info
3114 3269
3115 my $meta = $enc->encode ({ 3270 my $meta = $enc->encode ({
3116 name => $name, 3271 name => $name,
3117 %{ $info->{meta} || {} }, 3272 %{ $info->{meta} || {} },
3118 }); 3273 });
3119 3274
3120 $data = pack "(w/a*)*", $meta, $info->{data}; 3275 $data = pack "(w/a*)*", $meta, $info->{data};
3276 } else {
3277 $data = $info->{data};
3278 }
3279
3280 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3281 cf::face::set_type $idx, $info->{type};
3121 } else { 3282 } else {
3122 $data = $info->{data}; 3283 $RESOURCE{$name} = $info;
3123 } 3284 }
3124 3285
3125 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3126 cf::face::set_type $idx, $info->{type};
3127
3128 cf::cede_to_tick; 3286 cf::cede_to_tick;
3129 } 3287 }
3130
3131 if ($soundconf) {
3132 $soundconf = $enc->decode (delete $soundconf->{data});
3133
3134 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3135 my $sound = $soundconf->{compat}[$_]
3136 or next;
3137
3138 my $face = cf::face::find "sound/$sound->[1]";
3139 cf::sound::set $sound->[0] => $face;
3140 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3141 }
3142
3143 while (my ($k, $v) = each %{$soundconf->{event}}) {
3144 my $face = cf::face::find "sound/$v";
3145 cf::sound::set $k => $face;
3146 }
3147 }
3148 } 3288 }
3289
3290 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3149 3291
3150 1 3292 1
3151} 3293}
3294
3295cf::global->attach (on_resource_update => sub {
3296 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3297 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3298
3299 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3300 my $sound = $soundconf->{compat}[$_]
3301 or next;
3302
3303 my $face = cf::face::find "sound/$sound->[1]";
3304 cf::sound::set $sound->[0] => $face;
3305 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3306 }
3307
3308 while (my ($k, $v) = each %{$soundconf->{event}}) {
3309 my $face = cf::face::find "sound/$v";
3310 cf::sound::set $k => $face;
3311 }
3312 }
3313});
3152 3314
3153register_exticmd fx_want => sub { 3315register_exticmd fx_want => sub {
3154 my ($ns, $want) = @_; 3316 my ($ns, $want) = @_;
3155 3317
3156 while (my ($k, $v) = each %$want) { 3318 while (my ($k, $v) = each %$want) {
3157 $ns->fx_want ($k, $v); 3319 $ns->fx_want ($k, $v);
3158 } 3320 }
3159}; 3321};
3322
3323sub load_resource_file($) {
3324 my $guard = lock_acquire "load_resource_file";
3325
3326 my $status = load_resource_file_ $_[0];
3327 get_slot 0.1, 100;
3328 cf::arch::commit_load;
3329
3330 $status
3331}
3160 3332
3161sub reload_regions { 3333sub reload_regions {
3162 # HACK to clear player env face cache, we need some signal framework 3334 # HACK to clear player env face cache, we need some signal framework
3163 # for this (global event?) 3335 # for this (global event?)
3164 %ext::player_env::MUSIC_FACE_CACHE = (); 3336 %ext::player_env::MUSIC_FACE_CACHE = ();
3178} 3350}
3179 3351
3180sub reload_archetypes { 3352sub reload_archetypes {
3181 load_resource_file "$DATADIR/archetypes" 3353 load_resource_file "$DATADIR/archetypes"
3182 or die "unable to load archetypes\n"; 3354 or die "unable to load archetypes\n";
3183 #d# NEED to laod twice to resolve forward references
3184 # this really needs to be done in an extra post-pass
3185 # (which needs to be synchronous, so solve it differently)
3186 load_resource_file "$DATADIR/archetypes"
3187 or die "unable to load archetypes\n";
3188} 3355}
3189 3356
3190sub reload_treasures { 3357sub reload_treasures {
3191 load_resource_file "$DATADIR/treasures" 3358 load_resource_file "$DATADIR/treasures"
3192 or die "unable to load treasurelists\n"; 3359 or die "unable to load treasurelists\n";
3193} 3360}
3194 3361
3195sub reload_resources { 3362sub reload_resources {
3196 warn "reloading resource files...\n"; 3363 warn "reloading resource files...\n";
3197 3364
3365 reload_facedata;
3366 reload_archetypes;
3198 reload_regions; 3367 reload_regions;
3199 reload_facedata;
3200 #reload_archetypes;#d#
3201 reload_archetypes;
3202 reload_treasures; 3368 reload_treasures;
3203 3369
3204 warn "finished reloading resource files\n"; 3370 warn "finished reloading resource files\n";
3205} 3371}
3206 3372
3207sub init { 3373sub init {
3374 my $guard = freeze_mainloop;
3375
3208 reload_resources; 3376 reload_resources;
3209} 3377}
3210 3378
3211sub reload_config { 3379sub reload_config {
3212 open my $fh, "<:utf8", "$CONFDIR/config" 3380 open my $fh, "<:utf8", "$CONFDIR/config"
3213 or return; 3381 or return;
3214 3382
3215 local $/; 3383 local $/;
3216 *CFG = YAML::Syck::Load <$fh>; 3384 *CFG = YAML::Load <$fh>;
3217 3385
3218 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3386 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3219 3387
3220 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3388 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3221 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3389 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3233 # we must not ever block the main coroutine 3401 # we must not ever block the main coroutine
3234 local $Coro::idle = sub { 3402 local $Coro::idle = sub {
3235 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3403 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3236 (async { 3404 (async {
3237 $Coro::current->{desc} = "IDLE BUG HANDLER"; 3405 $Coro::current->{desc} = "IDLE BUG HANDLER";
3238 Event::one_event; 3406 EV::loop EV::LOOP_ONESHOT;
3239 })->prio (Coro::PRIO_MAX); 3407 })->prio (Coro::PRIO_MAX);
3240 }; 3408 };
3241 3409
3410 {
3411 my $guard = freeze_mainloop;
3242 reload_config; 3412 reload_config;
3243 db_init; 3413 db_init;
3244 load_extensions; 3414 load_extensions;
3245 3415
3246 $TICK_WATCHER->start; 3416 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3417 evthread_start IO::AIO::poll_fileno;
3418 }
3419
3247 Event::loop; 3420 EV::loop;
3248} 3421}
3249 3422
3250############################################################################# 3423#############################################################################
3251# initialisation and cleanup 3424# initialisation and cleanup
3252 3425
3253# install some emergency cleanup handlers 3426# install some emergency cleanup handlers
3254BEGIN { 3427BEGIN {
3428 our %SIGWATCHER = ();
3255 for my $signal (qw(INT HUP TERM)) { 3429 for my $signal (qw(INT HUP TERM)) {
3256 Event->signal ( 3430 $SIGWATCHER{$signal} = EV::signal $signal, sub {
3257 reentrant => 0,
3258 data => WF_AUTOCANCEL,
3259 signal => $signal,
3260 prio => 0,
3261 cb => sub {
3262 cf::cleanup "SIG$signal"; 3431 cf::cleanup "SIG$signal";
3263 },
3264 ); 3432 };
3265 } 3433 }
3266} 3434}
3267 3435
3268sub write_runtime { 3436sub write_runtime_sync {
3269 my $runtime = "$LOCALDIR/runtime"; 3437 my $runtime = "$LOCALDIR/runtime";
3270 3438
3271 # first touch the runtime file to show we are still running: 3439 # first touch the runtime file to show we are still running:
3272 # the fsync below can take a very very long time. 3440 # the fsync below can take a very very long time.
3273 3441
3299 and return; 3467 and return;
3300 3468
3301 warn "runtime file written.\n"; 3469 warn "runtime file written.\n";
3302 3470
3303 1 3471 1
3472}
3473
3474our $uuid_lock;
3475our $uuid_skip;
3476
3477sub write_uuid_sync($) {
3478 $uuid_skip ||= $_[0];
3479
3480 return if $uuid_lock;
3481 local $uuid_lock = 1;
3482
3483 my $uuid = "$LOCALDIR/uuid";
3484
3485 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3486 or return;
3487
3488 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3489 $uuid_skip = 0;
3490
3491 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3492 and return;
3493
3494 # always fsync - this file is important
3495 aio_fsync $fh
3496 and return;
3497
3498 close $fh
3499 or return;
3500
3501 aio_rename "$uuid~", $uuid
3502 and return;
3503
3504 warn "uuid file written ($value).\n";
3505
3506 1
3507
3508}
3509
3510sub write_uuid($$) {
3511 my ($skip, $sync) = @_;
3512
3513 $sync ? write_uuid_sync $skip
3514 : async { write_uuid_sync $skip };
3304} 3515}
3305 3516
3306sub emergency_save() { 3517sub emergency_save() {
3307 my $freeze_guard = cf::freeze_mainloop; 3518 my $freeze_guard = cf::freeze_mainloop;
3308 3519
3330 warn "end emergency map save\n"; 3541 warn "end emergency map save\n";
3331 3542
3332 warn "begin emergency database checkpoint\n"; 3543 warn "begin emergency database checkpoint\n";
3333 BDB::db_env_txn_checkpoint $DB_ENV; 3544 BDB::db_env_txn_checkpoint $DB_ENV;
3334 warn "end emergency database checkpoint\n"; 3545 warn "end emergency database checkpoint\n";
3546
3547 warn "begin write uuid\n";
3548 write_uuid_sync 1;
3549 warn "end write uuid\n";
3335 }; 3550 };
3336 3551
3337 warn "leave emergency perl save\n"; 3552 warn "leave emergency perl save\n";
3338} 3553}
3339 3554
3354 warn "reloading..."; 3569 warn "reloading...";
3355 3570
3356 warn "entering sync_job"; 3571 warn "entering sync_job";
3357 3572
3358 cf::sync_job { 3573 cf::sync_job {
3359 cf::write_runtime; # external watchdog should not bark 3574 cf::write_runtime_sync; # external watchdog should not bark
3360 cf::emergency_save; 3575 cf::emergency_save;
3361 cf::write_runtime; # external watchdog should not bark 3576 cf::write_runtime_sync; # external watchdog should not bark
3362 3577
3363 warn "syncing database to disk"; 3578 warn "syncing database to disk";
3364 BDB::db_env_txn_checkpoint $DB_ENV; 3579 BDB::db_env_txn_checkpoint $DB_ENV;
3365 3580
3366 # if anything goes wrong in here, we should simply crash as we already saved 3581 # if anything goes wrong in here, we should simply crash as we already saved
3367
3368 warn "cancelling all WF_AUTOCANCEL watchers";
3369 for (Event::all_watchers) {
3370 $_->cancel if $_->data & WF_AUTOCANCEL;
3371 }
3372 3582
3373 warn "flushing outstanding aio requests"; 3583 warn "flushing outstanding aio requests";
3374 for (;;) { 3584 for (;;) {
3375 BDB::flush; 3585 BDB::flush;
3376 IO::AIO::flush; 3586 IO::AIO::flush;
3458 warn "leaving sync_job"; 3668 warn "leaving sync_job";
3459 3669
3460 1 3670 1
3461 } or do { 3671 } or do {
3462 warn $@; 3672 warn $@;
3463 warn "error while reloading, exiting."; 3673 cf::cleanup "error while reloading, exiting.";
3464 exit 1;
3465 }; 3674 };
3466 3675
3467 warn "reloaded"; 3676 warn "reloaded";
3468}; 3677};
3469 3678
3471 3680
3472sub reload_perl() { 3681sub reload_perl() {
3473 # doing reload synchronously and two reloads happen back-to-back, 3682 # doing reload synchronously and two reloads happen back-to-back,
3474 # coro crashes during coro_state_free->destroy here. 3683 # coro crashes during coro_state_free->destroy here.
3475 3684
3476 $RELOAD_WATCHER ||= Event->timer ( 3685 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3477 reentrant => 0,
3478 after => 0,
3479 data => WF_AUTOCANCEL,
3480 cb => sub {
3481 do_reload_perl; 3686 do_reload_perl;
3482 undef $RELOAD_WATCHER; 3687 undef $RELOAD_WATCHER;
3483 },
3484 ); 3688 };
3485} 3689}
3486 3690
3487register_command "reload" => sub { 3691register_command "reload" => sub {
3488 my ($who, $arg) = @_; 3692 my ($who, $arg) = @_;
3489 3693
3502 3706
3503our @WAIT_FOR_TICK; 3707our @WAIT_FOR_TICK;
3504our @WAIT_FOR_TICK_BEGIN; 3708our @WAIT_FOR_TICK_BEGIN;
3505 3709
3506sub wait_for_tick { 3710sub wait_for_tick {
3507 return unless $TICK_WATCHER->is_active;
3508 return if $Coro::current == $Coro::main; 3711 return if tick_inhibit || $Coro::current == $Coro::main;
3509 3712
3510 my $signal = new Coro::Signal; 3713 my $signal = new Coro::Signal;
3511 push @WAIT_FOR_TICK, $signal; 3714 push @WAIT_FOR_TICK, $signal;
3512 $signal->wait; 3715 $signal->wait;
3513} 3716}
3514 3717
3515sub wait_for_tick_begin { 3718sub wait_for_tick_begin {
3516 return unless $TICK_WATCHER->is_active;
3517 return if $Coro::current == $Coro::main; 3719 return if tick_inhibit || $Coro::current == $Coro::main;
3518 3720
3519 my $signal = new Coro::Signal; 3721 my $signal = new Coro::Signal;
3520 push @WAIT_FOR_TICK_BEGIN, $signal; 3722 push @WAIT_FOR_TICK_BEGIN, $signal;
3521 $signal->wait; 3723 $signal->wait;
3522} 3724}
3523 3725
3524$TICK_WATCHER = Event->timer ( 3726sub tick {
3525 reentrant => 0,
3526 parked => 1,
3527 prio => 0,
3528 at => $NEXT_TICK || $TICK,
3529 data => WF_AUTOCANCEL,
3530 cb => sub {
3531 if ($Coro::current != $Coro::main) { 3727 if ($Coro::current != $Coro::main) {
3532 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3728 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3533 unless ++$bug_warning > 10; 3729 unless ++$bug_warning > 10;
3534 return; 3730 return;
3535 } 3731 }
3536 3732
3537 $NOW = $tick_start = Event::time;
3538
3539 cf::server_tick; # one server iteration 3733 cf::server_tick; # one server iteration
3540 3734
3541 $RUNTIME += $TICK;
3542 $NEXT_TICK += $TICK;
3543
3544 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3735 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3545 $NEXT_RUNTIME_WRITE = $NOW + 10; 3736 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3546 Coro::async_pool { 3737 Coro::async_pool {
3547 $Coro::current->{desc} = "runtime saver"; 3738 $Coro::current->{desc} = "runtime saver";
3548 write_runtime 3739 write_runtime_sync
3549 or warn "ERROR: unable to write runtime file: $!"; 3740 or warn "ERROR: unable to write runtime file: $!";
3550 };
3551 } 3741 };
3742 }
3552 3743
3553 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3744 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3554 $sig->send; 3745 $sig->send;
3555 } 3746 }
3556 while (my $sig = shift @WAIT_FOR_TICK) { 3747 while (my $sig = shift @WAIT_FOR_TICK) {
3557 $sig->send; 3748 $sig->send;
3558 } 3749 }
3559 3750
3560 $NOW = Event::time; 3751 $LOAD = ($NOW - $TICK_START) / $TICK;
3561
3562 # if we are delayed by four ticks or more, skip them all
3563 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3564
3565 $TICK_WATCHER->at ($NEXT_TICK);
3566 $TICK_WATCHER->start;
3567
3568 $LOAD = ($NOW - $tick_start) / $TICK;
3569 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3752 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3570 3753
3571 _post_tick; 3754 if (0) {
3755 if ($NEXT_TICK) {
3756 my $jitter = $TICK_START - $NEXT_TICK;
3757 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3758 warn "jitter $JITTER\n";#d#
3759 }
3572 }, 3760 }
3573); 3761}
3574 3762
3575{ 3763{
3764 # configure BDB
3765
3576 BDB::min_parallel 8; 3766 BDB::min_parallel 8;
3577 BDB::max_poll_time $TICK * 0.1; 3767 BDB::max_poll_reqs $TICK * 0.1;
3578 $BDB_POLL_WATCHER = Event->io ( 3768 $Coro::BDB::WATCHER->priority (1);
3579 reentrant => 0,
3580 fd => BDB::poll_fileno,
3581 poll => 'r',
3582 prio => 0,
3583 data => WF_AUTOCANCEL,
3584 cb => \&BDB::poll_cb,
3585 );
3586
3587 BDB::set_sync_prepare {
3588 my $status;
3589 my $current = $Coro::current;
3590 (
3591 sub {
3592 $status = $!;
3593 $current->ready; undef $current;
3594 },
3595 sub {
3596 Coro::schedule while defined $current;
3597 $! = $status;
3598 },
3599 )
3600 };
3601 3769
3602 unless ($DB_ENV) { 3770 unless ($DB_ENV) {
3603 $DB_ENV = BDB::db_env_create; 3771 $DB_ENV = BDB::db_env_create;
3604 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC 3772 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3605 | BDB::LOG_AUTOREMOVE, 1); 3773 | BDB::LOG_AUTOREMOVE, 1);
3620 3788
3621 cf::cleanup "db_env_open(db): $@" if $@; 3789 cf::cleanup "db_env_open(db): $@" if $@;
3622 }; 3790 };
3623 } 3791 }
3624 3792
3625 $BDB_DEADLOCK_WATCHER = Event->timer ( 3793 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3626 after => 3,
3627 interval => 1,
3628 hard => 1,
3629 prio => 0,
3630 data => WF_AUTOCANCEL,
3631 cb => sub {
3632 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { }; 3794 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3633 },
3634 ); 3795 };
3635 $BDB_CHECKPOINT_WATCHER = Event->timer ( 3796 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3636 after => 11,
3637 interval => 60,
3638 hard => 1,
3639 prio => 0,
3640 data => WF_AUTOCANCEL,
3641 cb => sub {
3642 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { }; 3797 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3643 },
3644 ); 3798 };
3645 $BDB_TRICKLE_WATCHER = Event->timer ( 3799 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3646 after => 5,
3647 interval => 10,
3648 hard => 1,
3649 prio => 0,
3650 data => WF_AUTOCANCEL,
3651 cb => sub {
3652 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { }; 3800 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3653 },
3654 ); 3801 };
3655} 3802}
3656 3803
3657{ 3804{
3805 # configure IO::AIO
3806
3658 IO::AIO::min_parallel 8; 3807 IO::AIO::min_parallel 8;
3659
3660 undef $Coro::AIO::WATCHER;
3661 IO::AIO::max_poll_time $TICK * 0.1; 3808 IO::AIO::max_poll_time $TICK * 0.1;
3662 $AIO_POLL_WATCHER = Event->io ( 3809 $Coro::AIO::WATCHER->priority (1);
3663 reentrant => 0,
3664 data => WF_AUTOCANCEL,
3665 fd => IO::AIO::poll_fileno,
3666 poll => 'r',
3667 prio => 0,
3668 cb => \&IO::AIO::poll_cb,
3669 );
3670} 3810}
3671 3811
3672my $_log_backtrace; 3812my $_log_backtrace;
3673 3813
3674sub _log_backtrace { 3814sub _log_backtrace {

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