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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.380 by root, Mon Oct 8 13:58:07 2007 UTC vs.
Revision 1.419 by root, Sun Apr 13 01:34:09 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 Storable; 30use EV 3.2;
10use Event;
11use Opcode; 31use Opcode;
12use Safe; 32use Safe;
13use Safe::Hole; 33use Safe::Hole;
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 | logBacktrace, 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
444 warn $@ if $@; 486 warn $@ if $@;
445 undef $busy; 487 undef $busy;
446 })->prio (Coro::PRIO_MAX); 488 })->prio (Coro::PRIO_MAX);
447 489
448 while ($busy) { 490 while ($busy) {
449 Coro::cede or Event::one_event; 491 if (Coro::nready) {
492 Coro::cede_notself;
493 } else {
494 EV::loop EV::LOOP_ONESHOT;
450 } 495 }
496 }
451 497
452 $time = Event::time - $time; 498 my $time = EV::time - $time;
453 499
454 LOG llevError | logBacktrace, Carp::longmess "long sync job"
455 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
456
457 $tick_start += $time; # do not account sync jobs to server load 500 $TICK_START += $time; # do not account sync jobs to server load
458 501
459 wantarray ? @res : $res[0] 502 wantarray ? @res : $res[0]
460 } else { 503 } else {
461 # we are in another coroutine, how wonderful, everything just works 504 # we are in another coroutine, how wonderful, everything just works
462 505
487=item fork_call { }, $args 530=item fork_call { }, $args
488 531
489Executes the given code block with the given arguments in a seperate 532Executes the given code block with the given arguments in a seperate
490process, returning the results. Everything must be serialisable with 533process, returning the results. Everything must be serialisable with
491Coro::Storable. May, of course, block. Note that the executed sub may 534Coro::Storable. May, of course, block. Note that the executed sub may
492never block itself or use any form of Event handling. 535never block itself or use any form of event handling.
493 536
494=cut 537=cut
495 538
496sub fork_call(&@) { 539sub fork_call(&@) {
497 my ($cb, @args) = @_; 540 my ($cb, @args) = @_;
504 reset_signals; 547 reset_signals;
505 &$cb 548 &$cb
506 }, @args; 549 }, @args;
507 550
508 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
509} 579}
510 580
511=item $value = cf::db_get $family => $key 581=item $value = cf::db_get $family => $key
512 582
513Returns a single value from the environment database. 583Returns a single value from the environment database.
658attach callbacks/event handlers (a collection of which is called an "attachment") 728attach callbacks/event handlers (a collection of which is called an "attachment")
659to it. All such attachable objects support the following methods. 729to it. All such attachable objects support the following methods.
660 730
661In 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>
662C<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
663Crossfire TRT). 733Deliantra).
664 734
665=over 4 735=over 4
666 736
667=item $attachable->attach ($attachment, key => $value...) 737=item $attachable->attach ($attachment, key => $value...)
668 738
950 } 1020 }
951 1021
952 0 1022 0
953} 1023}
954 1024
955=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1025=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
956 1026
957=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1027=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
958 1028
959Generate an object-specific event with the given arguments. 1029Generate an object-specific event with the given arguments.
960 1030
966 1036
967=cut 1037=cut
968 1038
969############################################################################# 1039#############################################################################
970# object support 1040# object support
971#
972 1041
1042sub _object_equal($$);
1043sub _object_equal($$) {
1044 my ($a, $b) = @_;
1045
1046 return 0 unless (ref $a) eq (ref $b);
1047
1048 if ("HASH" eq ref $a) {
1049 my @ka = keys %$a;
1050 my @kb = keys %$b;
1051
1052 return 0 if @ka != @kb;
1053
1054 for (0 .. $#ka) {
1055 return 0 unless $ka[$_] eq $kb[$_];
1056 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1057 }
1058
1059 } elsif ("ARRAY" eq ref $a) {
1060
1061 return 0 if @$a != @$b;
1062
1063 for (0 .. $#$a) {
1064 return 0 unless _object_equal $a->[$_], $b->[$_];
1065 }
1066
1067 } elsif ($a ne $b) {
1068 return 0;
1069 }
1070
1071 1
1072}
1073
1074our $SLOW_MERGES;#d#
973sub _can_merge { 1075sub _can_merge {
974 my ($ob1, $ob2) = @_; 1076 my ($ob1, $ob2) = @_;
975 1077
976 local $Storable::canonical = 1; 1078 ++$SLOW_MERGES;#d#
977 my $fob1 = Storable::freeze $ob1;
978 my $fob2 = Storable::freeze $ob2;
979 1079
980 $fob1 eq $fob2 1080 # we do the slow way here
1081 return _object_equal $ob1, $ob2
981} 1082}
982 1083
983sub reattach { 1084sub reattach {
984 # basically do the same as instantiate, without calling instantiate 1085 # basically do the same as instantiate, without calling instantiate
985 my ($obj) = @_; 1086 my ($obj) = @_;
1007cf::attachable->attach ( 1108cf::attachable->attach (
1008 prio => -1000000, 1109 prio => -1000000,
1009 on_instantiate => sub { 1110 on_instantiate => sub {
1010 my ($obj, $data) = @_; 1111 my ($obj, $data) = @_;
1011 1112
1012 $data = from_json $data; 1113 $data = decode_json $data;
1013 1114
1014 for (@$data) { 1115 for (@$data) {
1015 my ($name, $args) = @$_; 1116 my ($name, $args) = @$_;
1016 1117
1017 $obj->attach ($name, %{$args || {} }); 1118 $obj->attach ($name, %{$args || {} });
1087 1188
1088 unless (aio_stat "$filename.pst") { 1189 unless (aio_stat "$filename.pst") {
1089 (aio_load "$filename.pst", $av) >= 0 1190 (aio_load "$filename.pst", $av) >= 0
1090 or return; 1191 or return;
1091 1192
1092 my $st = eval { Coro::Storable::thaw $av } 1193 my $st = eval { Coro::Storable::thaw $av };
1093 || eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
1094 $av = $st->{objs}; 1194 $av = $st->{objs};
1095 } 1195 }
1096 1196
1097 utf8::decode (my $decname = $filename); 1197 utf8::decode (my $decname = $filename);
1098 warn sprintf "loading %s (%d,%d)\n", 1198 warn sprintf "loading %s (%d,%d)\n",
1255 my $msg = $@ ? "$v->{path}: $@\n" 1355 my $msg = $@ ? "$v->{path}: $@\n"
1256 : "$v->{base}: extension inactive.\n"; 1356 : "$v->{base}: extension inactive.\n";
1257 1357
1258 if (exists $v->{meta}{mandatory}) { 1358 if (exists $v->{meta}{mandatory}) {
1259 warn $msg; 1359 warn $msg;
1260 warn "mandatory extension failed to load, exiting.\n"; 1360 cf::cleanup "mandatory extension failed to load, exiting.";
1261 exit 1;
1262 } 1361 }
1263 1362
1264 warn $msg; 1363 warn $msg;
1265 } 1364 }
1266 1365
1514 1613
1515Expand crossfire pod fragments into protocol xml. 1614Expand crossfire pod fragments into protocol xml.
1516 1615
1517=cut 1616=cut
1518 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
1519sub expand_cfpod { 1629sub expand_cfpod {
1520 ((my $self), (local $_)) = @_; 1630 my ($self, $pod) = @_;
1521 1631
1522 # escape & and < 1632 my $xml;
1523 s/&/&amp;/g;
1524 s/(?<![BIUGHT])</&lt;/g;
1525 1633
1526 # this is buggy, it needs to properly take care of nested <'s 1634 while () {
1635 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1636 $group = $1;
1527 1637
1528 1 while 1638 $group =~ s/&/&amp;/g;
1529 # replace B<>, I<>, U<> etc. 1639 $group =~ s/</&lt;/g;
1530 s/B<([^\>]*)>/<b>$1<\/b>/ 1640
1531 || s/I<([^\>]*)>/<i>$1<\/i>/ 1641 $xml .= $group;
1532 || s/U<([^\>]*)>/<u>$1<\/u>/ 1642 } elsif ($pod =~ m%\G
1533 || s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/ 1643 ([BCGHITU])
1534 # replace G<male|female> tags 1644 <
1535 || s{G<([^>|]*)\|([^>]*)>}{ 1645 (?:
1536 $self->gender ? $2 : $1 1646 ([^<>]*) (?{ $group = $^N })
1537 }ge 1647 | < $interior >
1538 # replace H<hint text> 1648 )
1539 || s{H<([^\>]*)>} 1649 >
1650 %gcsx
1540 { 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") {
1541 ("<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>",
1542 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>", 1670 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1543 "") 1671 "")
1544 [$self->{hintmode}] 1672 [$self->{hintmode}];
1673 } else {
1674 $xml .= "error processing '$code($data)' directive";
1545 }ge; 1675 }
1676 } else {
1677 if ($pod =~ /\G(.+)/) {
1678 warn "parse error while expanding $pod (at $1)";
1679 }
1680 last;
1681 }
1682 }
1546 1683
1684 for ($xml) {
1547 # create single paragraphs (very hackish) 1685 # create single paragraphs (very hackish)
1548 s/(?<=\S)\n(?=\w)/ /g; 1686 s/(?<=\S)\n(?=\w)/ /g;
1549 1687
1550 # compress some whitespace 1688 # compress some whitespace
1551 s/\s+\n/\n/g; # ws line-ends 1689 s/\s+\n/\n/g; # ws line-ends
1552 s/\n\n+/\n/g; # double lines 1690 s/\n\n+/\n/g; # double lines
1553 s/^\n+//; # beginning lines 1691 s/^\n+//; # beginning lines
1554 s/\n+$//; # ending lines 1692 s/\n+$//; # ending lines
1693 }
1555 1694
1556 $_ 1695 $xml
1557} 1696}
1697
1698no re 'eval';
1558 1699
1559sub hintmode { 1700sub hintmode {
1560 $_[0]{hintmode} = $_[1] if @_ > 1; 1701 $_[0]{hintmode} = $_[1] if @_ > 1;
1561 $_[0]{hintmode} 1702 $_[0]{hintmode}
1562} 1703}
1634our $MAX_RESET = 3600; 1775our $MAX_RESET = 3600;
1635our $DEFAULT_RESET = 3000; 1776our $DEFAULT_RESET = 3000;
1636 1777
1637sub generate_random_map { 1778sub generate_random_map {
1638 my ($self, $rmp) = @_; 1779 my ($self, $rmp) = @_;
1780
1781 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1782
1639 # mit "rum" bekleckern, nicht 1783 # mit "rum" bekleckern, nicht
1640 $self->_create_random_map ( 1784 $self->_create_random_map (
1641 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1785 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1642 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1786 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1643 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1787 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1765 1909
1766# the temporary/swap location 1910# the temporary/swap location
1767sub save_path { 1911sub save_path {
1768 my ($self) = @_; 1912 my ($self) = @_;
1769 1913
1770 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1914 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1771 "$TMPDIR/$path.map" 1915 "$TMPDIR/$path.map"
1772} 1916}
1773 1917
1774# the unique path, undef == no special unique path 1918# the unique path, undef == no special unique path
1775sub uniq_path { 1919sub uniq_path {
1776 my ($self) = @_; 1920 my ($self) = @_;
1777 1921
1778 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1922 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1779 "$UNIQUEDIR/$path" 1923 "$UNIQUEDIR/$path"
1780} 1924}
1781 1925
1782# and all this just because we cannot iterate over 1926# and all this just because we cannot iterate over
1783# all maps in C++... 1927# all maps in C++...
2229 2373
2230sub unique_maps() { 2374sub unique_maps() {
2231 [ 2375 [
2232 map { 2376 map {
2233 utf8::decode $_; 2377 utf8::decode $_;
2234 /\.map$/ 2378 s/\.map$//; # TODO future compatibility hack
2379 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2380 ? ()
2235 ? normalise $_ 2381 : normalise $_
2236 : ()
2237 } @{ aio_readdir $UNIQUEDIR or [] } 2382 } @{ aio_readdir $UNIQUEDIR or [] }
2238 ] 2383 ]
2239} 2384}
2240 2385
2241package cf;
2242
2243=back 2386=back
2244 2387
2245=head3 cf::object 2388=head3 cf::object
2246 2389
2247=cut 2390=cut
2250 2393
2251=over 4 2394=over 4
2252 2395
2253=item $ob->inv_recursive 2396=item $ob->inv_recursive
2254 2397
2255Returns the inventory of the object _and_ their inventories, recursively. 2398Returns the inventory of the object I<and> their inventories, recursively,
2399but I<not> the object itself.
2256 2400
2257=cut 2401=cut
2258 2402
2259sub inv_recursive_; 2403sub inv_recursive_;
2260sub inv_recursive_ { 2404sub inv_recursive_ {
2265 inv_recursive_ inv $_[0] 2409 inv_recursive_ inv $_[0]
2266} 2410}
2267 2411
2268=item $ref = $ob->ref 2412=item $ref = $ob->ref
2269 2413
2270creates and returns a persistent reference to an objetc that can be stored as a string. 2414Creates and returns a persistent reference to an object that can be stored as a string.
2271 2415
2272=item $ob = cf::object::deref ($refstring) 2416=item $ob = cf::object::deref ($refstring)
2273 2417
2274returns the objetc referenced by refstring. may return undef when it cnanot find the object, 2418returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2275even if the object actually exists. May block. 2419even if the object actually exists. May block.
2549 $rmp->{origin_y} = $exit->y; 2693 $rmp->{origin_y} = $exit->y;
2550 } 2694 }
2551 2695
2552 $rmp->{random_seed} ||= $exit->random_seed; 2696 $rmp->{random_seed} ||= $exit->random_seed;
2553 2697
2554 my $data = cf::to_json $rmp; 2698 my $data = cf::encode_json $rmp;
2555 my $md5 = Digest::MD5::md5_hex $data; 2699 my $md5 = Digest::MD5::md5_hex $data;
2556 my $meta = "$RANDOMDIR/$md5.meta"; 2700 my $meta = "$RANDOMDIR/$md5.meta";
2557 2701
2558 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2702 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2559 aio_write $fh, 0, (length $data), $data, 0; 2703 aio_write $fh, 0, (length $data), $data, 0;
2632the message, with C<log> being the default. If C<$color> is negative, suppress 2776the message, with C<log> being the default. If C<$color> is negative, suppress
2633the message unless the client supports the msg packet. 2777the message unless the client supports the msg packet.
2634 2778
2635=cut 2779=cut
2636 2780
2781# non-persistent channels (usually the info channel)
2637our %CHANNEL = ( 2782our %CHANNEL = (
2638 "c/identify" => { 2783 "c/identify" => {
2639 id => "infobox", 2784 id => "infobox",
2640 title => "Identify", 2785 title => "Identify",
2641 reply => undef, 2786 reply => undef,
2645 id => "infobox", 2790 id => "infobox",
2646 title => "Examine", 2791 title => "Examine",
2647 reply => undef, 2792 reply => undef,
2648 tooltip => "Signs and other items you examined", 2793 tooltip => "Signs and other items you examined",
2649 }, 2794 },
2795 "c/book" => {
2796 id => "infobox",
2797 title => "Book",
2798 reply => undef,
2799 tooltip => "The contents of a note or book",
2800 },
2650 "c/lookat" => { 2801 "c/lookat" => {
2651 id => "infobox", 2802 id => "infobox",
2652 title => "Look", 2803 title => "Look",
2653 reply => undef, 2804 reply => undef,
2654 tooltip => "What you saw there", 2805 tooltip => "What you saw there",
2806 },
2807 "c/who" => {
2808 id => "infobox",
2809 title => "Players",
2810 reply => undef,
2811 tooltip => "Shows players who are currently online",
2812 },
2813 "c/body" => {
2814 id => "infobox",
2815 title => "Body Parts",
2816 reply => undef,
2817 tooltip => "Shows which body parts you posess and are available",
2818 },
2819 "c/uptime" => {
2820 id => "infobox",
2821 title => "Uptime",
2822 reply => undef,
2823 tooltip => "How long the server has been running since last restart",
2824 },
2825 "c/mapinfo" => {
2826 id => "infobox",
2827 title => "Map Info",
2828 reply => undef,
2829 tooltip => "Information related to the maps",
2655 }, 2830 },
2656); 2831);
2657 2832
2658sub cf::client::send_msg { 2833sub cf::client::send_msg {
2659 my ($self, $channel, $msg, $color, @extra) = @_; 2834 my ($self, $channel, $msg, $color, @extra) = @_;
2896=pod 3071=pod
2897 3072
2898The following functions and methods are available within a safe environment: 3073The following functions and methods are available within a safe environment:
2899 3074
2900 cf::object 3075 cf::object
2901 contr pay_amount pay_player map x y force_find force_add 3076 contr pay_amount pay_player map x y force_find force_add destroy
2902 insert remove name archname title slaying race decrease_ob_nr 3077 insert remove name archname title slaying race decrease_ob_nr
2903 3078
2904 cf::object::player 3079 cf::object::player
2905 player 3080 player
2906 3081
2913=cut 3088=cut
2914 3089
2915for ( 3090for (
2916 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3091 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2917 insert remove inv name archname title slaying race 3092 insert remove inv name archname title slaying race
2918 decrease_ob_nr)], 3093 decrease_ob_nr destroy)],
2919 ["cf::object::player" => qw(player)], 3094 ["cf::object::player" => qw(player)],
2920 ["cf::player" => qw(peaceful)], 3095 ["cf::player" => qw(peaceful)],
2921 ["cf::map" => qw(trigger)], 3096 ["cf::map" => qw(trigger)],
2922) { 3097) {
2923 no strict 'refs'; 3098 no strict 'refs';
3028 { 3203 {
3029 my $faces = $facedata->{faceinfo}; 3204 my $faces = $facedata->{faceinfo};
3030 3205
3031 while (my ($face, $info) = each %$faces) { 3206 while (my ($face, $info) = each %$faces) {
3032 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3207 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3208
3033 cf::face::set_visibility $idx, $info->{visibility}; 3209 cf::face::set_visibility $idx, $info->{visibility};
3034 cf::face::set_magicmap $idx, $info->{magicmap}; 3210 cf::face::set_magicmap $idx, $info->{magicmap};
3035 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32}; 3211 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3036 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64}; 3212 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3037 3213
3038 cf::cede_to_tick; 3214 cf::cede_to_tick;
3039 } 3215 }
3040 3216
3041 while (my ($face, $info) = each %$faces) { 3217 while (my ($face, $info) = each %$faces) {
3042 next unless $info->{smooth}; 3218 next unless $info->{smooth};
3219
3043 my $idx = cf::face::find $face 3220 my $idx = cf::face::find $face
3044 or next; 3221 or next;
3222
3045 if (my $smooth = cf::face::find $info->{smooth}) { 3223 if (my $smooth = cf::face::find $info->{smooth}) {
3046 cf::face::set_smooth $idx, $smooth; 3224 cf::face::set_smooth $idx, $smooth;
3047 cf::face::set_smoothlevel $idx, $info->{smoothlevel}; 3225 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3048 } else { 3226 } else {
3049 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3227 warn "smooth face '$info->{smooth}' not found for face '$face'";
3067 { 3245 {
3068 # TODO: for gcfclient pleasure, we should give resources 3246 # TODO: for gcfclient pleasure, we should give resources
3069 # that gcfclient doesn't grok a >10000 face index. 3247 # that gcfclient doesn't grok a >10000 face index.
3070 my $res = $facedata->{resource}; 3248 my $res = $facedata->{resource};
3071 3249
3072 my $soundconf = delete $res->{"res/sound.conf"};
3073
3074 while (my ($name, $info) = each %$res) { 3250 while (my ($name, $info) = each %$res) {
3251 if (defined $info->{type}) {
3075 my $idx = (cf::face::find $name) || cf::face::alloc $name; 3252 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3076 my $data; 3253 my $data;
3077 3254
3078 if ($info->{type} & 1) { 3255 if ($info->{type} & 1) {
3079 # prepend meta info 3256 # prepend meta info
3080 3257
3081 my $meta = $enc->encode ({ 3258 my $meta = $enc->encode ({
3082 name => $name, 3259 name => $name,
3083 %{ $info->{meta} || {} }, 3260 %{ $info->{meta} || {} },
3084 }); 3261 });
3085 3262
3086 $data = pack "(w/a*)*", $meta, $info->{data}; 3263 $data = pack "(w/a*)*", $meta, $info->{data};
3264 } else {
3265 $data = $info->{data};
3266 }
3267
3268 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3269 cf::face::set_type $idx, $info->{type};
3087 } else { 3270 } else {
3088 $data = $info->{data}; 3271 $RESOURCE{$name} = $info;
3089 } 3272 }
3090 3273
3091 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3092 cf::face::set_type $idx, $info->{type};
3093
3094 cf::cede_to_tick; 3274 cf::cede_to_tick;
3095 } 3275 }
3096
3097 if ($soundconf) {
3098 $soundconf = $enc->decode (delete $soundconf->{data});
3099
3100 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3101 my $sound = $soundconf->{compat}[$_]
3102 or next;
3103
3104 my $face = cf::face::find "sound/$sound->[1]";
3105 cf::sound::set $sound->[0] => $face;
3106 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3107 }
3108
3109 while (my ($k, $v) = each %{$soundconf->{event}}) {
3110 my $face = cf::face::find "sound/$v";
3111 cf::sound::set $k => $face;
3112 }
3113 }
3114 } 3276 }
3277
3278 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3115 3279
3116 1 3280 1
3117} 3281}
3282
3283cf::global->attach (on_resource_update => sub {
3284 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3285 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3286
3287 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3288 my $sound = $soundconf->{compat}[$_]
3289 or next;
3290
3291 my $face = cf::face::find "sound/$sound->[1]";
3292 cf::sound::set $sound->[0] => $face;
3293 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3294 }
3295
3296 while (my ($k, $v) = each %{$soundconf->{event}}) {
3297 my $face = cf::face::find "sound/$v";
3298 cf::sound::set $k => $face;
3299 }
3300 }
3301});
3118 3302
3119register_exticmd fx_want => sub { 3303register_exticmd fx_want => sub {
3120 my ($ns, $want) = @_; 3304 my ($ns, $want) = @_;
3121 3305
3122 while (my ($k, $v) = each %$want) { 3306 while (my ($k, $v) = each %$want) {
3177sub reload_config { 3361sub reload_config {
3178 open my $fh, "<:utf8", "$CONFDIR/config" 3362 open my $fh, "<:utf8", "$CONFDIR/config"
3179 or return; 3363 or return;
3180 3364
3181 local $/; 3365 local $/;
3182 *CFG = YAML::Syck::Load <$fh>; 3366 *CFG = YAML::Load <$fh>;
3183 3367
3184 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3368 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3185 3369
3186 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3370 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3187 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3371 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3199 # we must not ever block the main coroutine 3383 # we must not ever block the main coroutine
3200 local $Coro::idle = sub { 3384 local $Coro::idle = sub {
3201 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3385 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3202 (async { 3386 (async {
3203 $Coro::current->{desc} = "IDLE BUG HANDLER"; 3387 $Coro::current->{desc} = "IDLE BUG HANDLER";
3204 Event::one_event; 3388 EV::loop EV::LOOP_ONESHOT;
3205 })->prio (Coro::PRIO_MAX); 3389 })->prio (Coro::PRIO_MAX);
3206 }; 3390 };
3207 3391
3208 reload_config; 3392 reload_config;
3209 db_init; 3393 db_init;
3210 load_extensions; 3394 load_extensions;
3211 3395
3212 $TICK_WATCHER->start; 3396 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3397 evthread_start IO::AIO::poll_fileno;
3213 Event::loop; 3398 EV::loop;
3214} 3399}
3215 3400
3216############################################################################# 3401#############################################################################
3217# initialisation and cleanup 3402# initialisation and cleanup
3218 3403
3219# install some emergency cleanup handlers 3404# install some emergency cleanup handlers
3220BEGIN { 3405BEGIN {
3406 our %SIGWATCHER = ();
3221 for my $signal (qw(INT HUP TERM)) { 3407 for my $signal (qw(INT HUP TERM)) {
3222 Event->signal ( 3408 $SIGWATCHER{$signal} = EV::signal $signal, sub {
3223 reentrant => 0,
3224 data => WF_AUTOCANCEL,
3225 signal => $signal,
3226 prio => 0,
3227 cb => sub {
3228 cf::cleanup "SIG$signal"; 3409 cf::cleanup "SIG$signal";
3229 },
3230 ); 3410 };
3231 } 3411 }
3232} 3412}
3233 3413
3234sub write_runtime { 3414sub write_runtime_sync {
3235 my $runtime = "$LOCALDIR/runtime"; 3415 my $runtime = "$LOCALDIR/runtime";
3236 3416
3237 # first touch the runtime file to show we are still running: 3417 # first touch the runtime file to show we are still running:
3238 # the fsync below can take a very very long time. 3418 # the fsync below can take a very very long time.
3239 3419
3265 and return; 3445 and return;
3266 3446
3267 warn "runtime file written.\n"; 3447 warn "runtime file written.\n";
3268 3448
3269 1 3449 1
3450}
3451
3452our $uuid_lock;
3453our $uuid_skip;
3454
3455sub write_uuid_sync($) {
3456 $uuid_skip ||= $_[0];
3457
3458 return if $uuid_lock;
3459 local $uuid_lock = 1;
3460
3461 my $uuid = "$LOCALDIR/uuid";
3462
3463 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3464 or return;
3465
3466 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3467 $uuid_skip = 0;
3468
3469 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3470 and return;
3471
3472 # always fsync - this file is important
3473 aio_fsync $fh
3474 and return;
3475
3476 close $fh
3477 or return;
3478
3479 aio_rename "$uuid~", $uuid
3480 and return;
3481
3482 warn "uuid file written ($value).\n";
3483
3484 1
3485
3486}
3487
3488sub write_uuid($$) {
3489 my ($skip, $sync) = @_;
3490
3491 $sync ? write_uuid_sync $skip
3492 : async { write_uuid_sync $skip };
3270} 3493}
3271 3494
3272sub emergency_save() { 3495sub emergency_save() {
3273 my $freeze_guard = cf::freeze_mainloop; 3496 my $freeze_guard = cf::freeze_mainloop;
3274 3497
3280 # and maps saved/destroyed asynchronously. 3503 # and maps saved/destroyed asynchronously.
3281 warn "begin emergency player save\n"; 3504 warn "begin emergency player save\n";
3282 for my $login (keys %cf::PLAYER) { 3505 for my $login (keys %cf::PLAYER) {
3283 my $pl = $cf::PLAYER{$login} or next; 3506 my $pl = $cf::PLAYER{$login} or next;
3284 $pl->valid or next; 3507 $pl->valid or next;
3508 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3285 $pl->save; 3509 $pl->save;
3286 } 3510 }
3287 warn "end emergency player save\n"; 3511 warn "end emergency player save\n";
3288 3512
3289 warn "begin emergency map save\n"; 3513 warn "begin emergency map save\n";
3295 warn "end emergency map save\n"; 3519 warn "end emergency map save\n";
3296 3520
3297 warn "begin emergency database checkpoint\n"; 3521 warn "begin emergency database checkpoint\n";
3298 BDB::db_env_txn_checkpoint $DB_ENV; 3522 BDB::db_env_txn_checkpoint $DB_ENV;
3299 warn "end emergency database checkpoint\n"; 3523 warn "end emergency database checkpoint\n";
3524
3525 warn "begin write uuid\n";
3526 write_uuid_sync 1;
3527 warn "end write uuid\n";
3300 }; 3528 };
3301 3529
3302 warn "leave emergency perl save\n"; 3530 warn "leave emergency perl save\n";
3303} 3531}
3304 3532
3319 warn "reloading..."; 3547 warn "reloading...";
3320 3548
3321 warn "entering sync_job"; 3549 warn "entering sync_job";
3322 3550
3323 cf::sync_job { 3551 cf::sync_job {
3324 cf::write_runtime; # external watchdog should not bark 3552 cf::write_runtime_sync; # external watchdog should not bark
3325 cf::emergency_save; 3553 cf::emergency_save;
3326 cf::write_runtime; # external watchdog should not bark 3554 cf::write_runtime_sync; # external watchdog should not bark
3327 3555
3328 warn "syncing database to disk"; 3556 warn "syncing database to disk";
3329 BDB::db_env_txn_checkpoint $DB_ENV; 3557 BDB::db_env_txn_checkpoint $DB_ENV;
3330 3558
3331 # if anything goes wrong in here, we should simply crash as we already saved 3559 # if anything goes wrong in here, we should simply crash as we already saved
3332
3333 warn "cancelling all WF_AUTOCANCEL watchers";
3334 for (Event::all_watchers) {
3335 $_->cancel if $_->data & WF_AUTOCANCEL;
3336 }
3337 3560
3338 warn "flushing outstanding aio requests"; 3561 warn "flushing outstanding aio requests";
3339 for (;;) { 3562 for (;;) {
3340 BDB::flush; 3563 BDB::flush;
3341 IO::AIO::flush; 3564 IO::AIO::flush;
3342 Coro::cede; 3565 Coro::cede_notself;
3343 last unless IO::AIO::nreqs || BDB::nreqs; 3566 last unless IO::AIO::nreqs || BDB::nreqs;
3344 warn "iterate..."; 3567 warn "iterate...";
3345 } 3568 }
3346 3569
3347 ++$RELOAD; 3570 ++$RELOAD;
3423 warn "leaving sync_job"; 3646 warn "leaving sync_job";
3424 3647
3425 1 3648 1
3426 } or do { 3649 } or do {
3427 warn $@; 3650 warn $@;
3428 warn "error while reloading, exiting."; 3651 cf::cleanup "error while reloading, exiting.";
3429 exit 1;
3430 }; 3652 };
3431 3653
3432 warn "reloaded"; 3654 warn "reloaded";
3433}; 3655};
3434 3656
3436 3658
3437sub reload_perl() { 3659sub reload_perl() {
3438 # doing reload synchronously and two reloads happen back-to-back, 3660 # doing reload synchronously and two reloads happen back-to-back,
3439 # coro crashes during coro_state_free->destroy here. 3661 # coro crashes during coro_state_free->destroy here.
3440 3662
3441 $RELOAD_WATCHER ||= Event->timer ( 3663 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3442 reentrant => 0,
3443 after => 0,
3444 data => WF_AUTOCANCEL,
3445 cb => sub {
3446 do_reload_perl; 3664 do_reload_perl;
3447 undef $RELOAD_WATCHER; 3665 undef $RELOAD_WATCHER;
3448 },
3449 ); 3666 };
3450} 3667}
3451 3668
3452register_command "reload" => sub { 3669register_command "reload" => sub {
3453 my ($who, $arg) = @_; 3670 my ($who, $arg) = @_;
3454 3671
3467 3684
3468our @WAIT_FOR_TICK; 3685our @WAIT_FOR_TICK;
3469our @WAIT_FOR_TICK_BEGIN; 3686our @WAIT_FOR_TICK_BEGIN;
3470 3687
3471sub wait_for_tick { 3688sub wait_for_tick {
3472 return unless $TICK_WATCHER->is_active; 3689 return if tick_inhibit;
3473 return if $Coro::current == $Coro::main; 3690 return if $Coro::current == $Coro::main;
3474 3691
3475 my $signal = new Coro::Signal; 3692 my $signal = new Coro::Signal;
3476 push @WAIT_FOR_TICK, $signal; 3693 push @WAIT_FOR_TICK, $signal;
3477 $signal->wait; 3694 $signal->wait;
3478} 3695}
3479 3696
3480sub wait_for_tick_begin { 3697sub wait_for_tick_begin {
3481 return unless $TICK_WATCHER->is_active; 3698 return if tick_inhibit;
3482 return if $Coro::current == $Coro::main; 3699 return if $Coro::current == $Coro::main;
3483 3700
3484 my $signal = new Coro::Signal; 3701 my $signal = new Coro::Signal;
3485 push @WAIT_FOR_TICK_BEGIN, $signal; 3702 push @WAIT_FOR_TICK_BEGIN, $signal;
3486 $signal->wait; 3703 $signal->wait;
3487} 3704}
3488 3705
3489$TICK_WATCHER = Event->timer ( 3706sub tick {
3490 reentrant => 0,
3491 parked => 1,
3492 prio => 0,
3493 at => $NEXT_TICK || $TICK,
3494 data => WF_AUTOCANCEL,
3495 cb => sub {
3496 if ($Coro::current != $Coro::main) { 3707 if ($Coro::current != $Coro::main) {
3497 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3708 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3498 unless ++$bug_warning > 10; 3709 unless ++$bug_warning > 10;
3499 return; 3710 return;
3500 } 3711 }
3501 3712
3502 $NOW = $tick_start = Event::time;
3503
3504 cf::server_tick; # one server iteration 3713 cf::server_tick; # one server iteration
3505 3714
3506 $RUNTIME += $TICK;
3507 $NEXT_TICK += $TICK;
3508
3509 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3715 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3510 $NEXT_RUNTIME_WRITE = $NOW + 10; 3716 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3511 Coro::async_pool { 3717 Coro::async_pool {
3512 $Coro::current->{desc} = "runtime saver"; 3718 $Coro::current->{desc} = "runtime saver";
3513 write_runtime 3719 write_runtime_sync
3514 or warn "ERROR: unable to write runtime file: $!"; 3720 or warn "ERROR: unable to write runtime file: $!";
3515 };
3516 } 3721 };
3722 }
3517 3723
3518 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3724 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3519 $sig->send; 3725 $sig->send;
3520 } 3726 }
3521 while (my $sig = shift @WAIT_FOR_TICK) { 3727 while (my $sig = shift @WAIT_FOR_TICK) {
3522 $sig->send; 3728 $sig->send;
3523 } 3729 }
3524 3730
3525 $NOW = Event::time; 3731 $LOAD = ($NOW - $TICK_START) / $TICK;
3526
3527 # if we are delayed by four ticks or more, skip them all
3528 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3529
3530 $TICK_WATCHER->at ($NEXT_TICK);
3531 $TICK_WATCHER->start;
3532
3533 $LOAD = ($NOW - $tick_start) / $TICK;
3534 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3732 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3535 3733
3536 _post_tick; 3734 if (0) {
3735 if ($NEXT_TICK) {
3736 my $jitter = $TICK_START - $NEXT_TICK;
3737 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3738 warn "jitter $JITTER\n";#d#
3739 }
3537 }, 3740 }
3538); 3741}
3539 3742
3540{ 3743{
3744 # configure BDB
3745
3541 BDB::min_parallel 8; 3746 BDB::min_parallel 8;
3542 BDB::max_poll_time $TICK * 0.1; 3747 BDB::max_poll_reqs $TICK * 0.1;
3543 $BDB_POLL_WATCHER = Event->io ( 3748 $Coro::BDB::WATCHER->priority (1);
3544 reentrant => 0,
3545 fd => BDB::poll_fileno,
3546 poll => 'r',
3547 prio => 0,
3548 data => WF_AUTOCANCEL,
3549 cb => \&BDB::poll_cb,
3550 );
3551
3552 BDB::set_sync_prepare {
3553 my $status;
3554 my $current = $Coro::current;
3555 (
3556 sub {
3557 $status = $!;
3558 $current->ready; undef $current;
3559 },
3560 sub {
3561 Coro::schedule while defined $current;
3562 $! = $status;
3563 },
3564 )
3565 };
3566 3749
3567 unless ($DB_ENV) { 3750 unless ($DB_ENV) {
3568 $DB_ENV = BDB::db_env_create; 3751 $DB_ENV = BDB::db_env_create;
3569 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC 3752 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3570 | BDB::LOG_AUTOREMOVE, 1); 3753 | BDB::LOG_AUTOREMOVE, 1);
3585 3768
3586 cf::cleanup "db_env_open(db): $@" if $@; 3769 cf::cleanup "db_env_open(db): $@" if $@;
3587 }; 3770 };
3588 } 3771 }
3589 3772
3590 $BDB_DEADLOCK_WATCHER = Event->timer ( 3773 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3591 after => 3,
3592 interval => 1,
3593 hard => 1,
3594 prio => 0,
3595 data => WF_AUTOCANCEL,
3596 cb => sub {
3597 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { }; 3774 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3598 },
3599 ); 3775 };
3600 $BDB_CHECKPOINT_WATCHER = Event->timer ( 3776 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3601 after => 11,
3602 interval => 60,
3603 hard => 1,
3604 prio => 0,
3605 data => WF_AUTOCANCEL,
3606 cb => sub {
3607 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { }; 3777 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3608 },
3609 ); 3778 };
3610 $BDB_TRICKLE_WATCHER = Event->timer ( 3779 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3611 after => 5,
3612 interval => 10,
3613 hard => 1,
3614 prio => 0,
3615 data => WF_AUTOCANCEL,
3616 cb => sub {
3617 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { }; 3780 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3618 },
3619 ); 3781 };
3620} 3782}
3621 3783
3622{ 3784{
3785 # configure IO::AIO
3786
3623 IO::AIO::min_parallel 8; 3787 IO::AIO::min_parallel 8;
3624
3625 undef $Coro::AIO::WATCHER;
3626 IO::AIO::max_poll_time $TICK * 0.1; 3788 IO::AIO::max_poll_time $TICK * 0.1;
3627 $AIO_POLL_WATCHER = Event->io ( 3789 $Coro::AIO::WATCHER->priority (1);
3628 reentrant => 0,
3629 data => WF_AUTOCANCEL,
3630 fd => IO::AIO::poll_fileno,
3631 poll => 'r',
3632 prio => 0,
3633 cb => \&IO::AIO::poll_cb,
3634 );
3635} 3790}
3636 3791
3637my $_log_backtrace; 3792my $_log_backtrace;
3638 3793
3639sub _log_backtrace { 3794sub _log_backtrace {

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