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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.385 by root, Fri Oct 12 19:13:26 2007 UTC vs.
Revision 1.420 by root, Tue Apr 15 14:21:04 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;
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
444 warn $@ if $@; 488 warn $@ if $@;
445 undef $busy; 489 undef $busy;
446 })->prio (Coro::PRIO_MAX); 490 })->prio (Coro::PRIO_MAX);
447 491
448 while ($busy) { 492 while ($busy) {
449 Coro::cede or Event::one_event; 493 if (Coro::nready) {
494 Coro::cede_notself;
495 } else {
496 EV::loop EV::LOOP_ONESHOT;
450 } 497 }
498 }
451 499
452 $time = Event::time - $time; 500 my $time = EV::time - $time;
453 501
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 502 $TICK_START += $time; # do not account sync jobs to server load
458 503
459 wantarray ? @res : $res[0] 504 wantarray ? @res : $res[0]
460 } else { 505 } else {
461 # we are in another coroutine, how wonderful, everything just works 506 # we are in another coroutine, how wonderful, everything just works
462 507
487=item fork_call { }, $args 532=item fork_call { }, $args
488 533
489Executes the given code block with the given arguments in a seperate 534Executes the given code block with the given arguments in a seperate
490process, returning the results. Everything must be serialisable with 535process, returning the results. Everything must be serialisable with
491Coro::Storable. May, of course, block. Note that the executed sub may 536Coro::Storable. May, of course, block. Note that the executed sub may
492never block itself or use any form of Event handling. 537never block itself or use any form of event handling.
493 538
494=cut 539=cut
495 540
496sub fork_call(&@) { 541sub fork_call(&@) {
497 my ($cb, @args) = @_; 542 my ($cb, @args) = @_;
504 reset_signals; 549 reset_signals;
505 &$cb 550 &$cb
506 }, @args; 551 }, @args;
507 552
508 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
509} 581}
510 582
511=item $value = cf::db_get $family => $key 583=item $value = cf::db_get $family => $key
512 584
513Returns a single value from the environment database. 585Returns a single value from the environment database.
658attach callbacks/event handlers (a collection of which is called an "attachment") 730attach callbacks/event handlers (a collection of which is called an "attachment")
659to it. All such attachable objects support the following methods. 731to it. All such attachable objects support the following methods.
660 732
661In 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>
662C<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
663Crossfire TRT). 735Deliantra).
664 736
665=over 4 737=over 4
666 738
667=item $attachable->attach ($attachment, key => $value...) 739=item $attachable->attach ($attachment, key => $value...)
668 740
950 } 1022 }
951 1023
952 0 1024 0
953} 1025}
954 1026
955=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1027=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
956 1028
957=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1029=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
958 1030
959Generate an object-specific event with the given arguments. 1031Generate an object-specific event with the given arguments.
960 1032
966 1038
967=cut 1039=cut
968 1040
969############################################################################# 1041#############################################################################
970# object support 1042# object support
971#
972 1043
1044sub _object_equal($$);
1045sub _object_equal($$) {
1046 my ($a, $b) = @_;
1047
1048 return 0 unless (ref $a) eq (ref $b);
1049
1050 if ("HASH" eq ref $a) {
1051 my @ka = keys %$a;
1052 my @kb = keys %$b;
1053
1054 return 0 if @ka != @kb;
1055
1056 for (0 .. $#ka) {
1057 return 0 unless $ka[$_] eq $kb[$_];
1058 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1059 }
1060
1061 } elsif ("ARRAY" eq ref $a) {
1062
1063 return 0 if @$a != @$b;
1064
1065 for (0 .. $#$a) {
1066 return 0 unless _object_equal $a->[$_], $b->[$_];
1067 }
1068
1069 } elsif ($a ne $b) {
1070 return 0;
1071 }
1072
1073 1
1074}
1075
1076our $SLOW_MERGES;#d#
973sub _can_merge { 1077sub _can_merge {
974 my ($ob1, $ob2) = @_; 1078 my ($ob1, $ob2) = @_;
975 1079
976 return 1;#d# 1080 ++$SLOW_MERGES;#d#
977 1081
978 #todo#d# kill yourself and do some recursive checking manually without storable 1082 # we do the slow way here
979 sync_job { 1083 return _object_equal $ob1, $ob2
980 my $guard = Coro::Storable::guard;
981 local $Storable::canonical = 1;
982 my $fob1 = Storable::freeze $ob1;
983 my $fob2 = Storable::freeze $ob2;
984 $fob1 eq $fob2
985 }
986} 1084}
987 1085
988sub reattach { 1086sub reattach {
989 # basically do the same as instantiate, without calling instantiate 1087 # basically do the same as instantiate, without calling instantiate
990 my ($obj) = @_; 1088 my ($obj) = @_;
1012cf::attachable->attach ( 1110cf::attachable->attach (
1013 prio => -1000000, 1111 prio => -1000000,
1014 on_instantiate => sub { 1112 on_instantiate => sub {
1015 my ($obj, $data) = @_; 1113 my ($obj, $data) = @_;
1016 1114
1017 $data = from_json $data; 1115 $data = decode_json $data;
1018 1116
1019 for (@$data) { 1117 for (@$data) {
1020 my ($name, $args) = @$_; 1118 my ($name, $args) = @$_;
1021 1119
1022 $obj->attach ($name, %{$args || {} }); 1120 $obj->attach ($name, %{$args || {} });
1051 close $fh; 1149 close $fh;
1052 1150
1053 if (@$objs) { 1151 if (@$objs) {
1054 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1152 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1055 chmod SAVE_MODE, $fh; 1153 chmod SAVE_MODE, $fh;
1056 my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs }; 1154 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1057 aio_write $fh, 0, (length $data), $data, 0; 1155 aio_write $fh, 0, (length $data), $data, 0;
1058 aio_fsync $fh if $cf::USE_FSYNC; 1156 aio_fsync $fh if $cf::USE_FSYNC;
1059 close $fh; 1157 close $fh;
1060 aio_rename "$filename.pst~", "$filename.pst"; 1158 aio_rename "$filename.pst~", "$filename.pst";
1061 } 1159 }
1092 1190
1093 unless (aio_stat "$filename.pst") { 1191 unless (aio_stat "$filename.pst") {
1094 (aio_load "$filename.pst", $av) >= 0 1192 (aio_load "$filename.pst", $av) >= 0
1095 or return; 1193 or return;
1096 1194
1097 my $st = eval { Coro::Storable::thaw $av } 1195 my $st = eval { Coro::Storable::thaw $av };
1098 || eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
1099 $av = $st->{objs}; 1196 $av = $st->{objs};
1100 } 1197 }
1101 1198
1102 utf8::decode (my $decname = $filename); 1199 utf8::decode (my $decname = $filename);
1103 warn sprintf "loading %s (%d,%d)\n", 1200 warn sprintf "loading %s (%d,%d)\n",
1260 my $msg = $@ ? "$v->{path}: $@\n" 1357 my $msg = $@ ? "$v->{path}: $@\n"
1261 : "$v->{base}: extension inactive.\n"; 1358 : "$v->{base}: extension inactive.\n";
1262 1359
1263 if (exists $v->{meta}{mandatory}) { 1360 if (exists $v->{meta}{mandatory}) {
1264 warn $msg; 1361 warn $msg;
1265 warn "mandatory extension failed to load, exiting.\n"; 1362 cf::cleanup "mandatory extension failed to load, exiting.";
1266 exit 1;
1267 } 1363 }
1268 1364
1269 warn $msg; 1365 warn $msg;
1270 } 1366 }
1271 1367
1380 return if $pl->{deny_save}; 1476 return if $pl->{deny_save};
1381 1477
1382 aio_mkdir playerdir $pl, 0770; 1478 aio_mkdir playerdir $pl, 0770;
1383 $pl->{last_save} = $cf::RUNTIME; 1479 $pl->{last_save} = $cf::RUNTIME;
1384 1480
1481 cf::get_slot 0.01;
1482
1385 $pl->save_pl ($path); 1483 $pl->save_pl ($path);
1386 cf::cede_to_tick; 1484 cf::cede_to_tick;
1387} 1485}
1388 1486
1389sub new($) { 1487sub new($) {
1519 1617
1520Expand crossfire pod fragments into protocol xml. 1618Expand crossfire pod fragments into protocol xml.
1521 1619
1522=cut 1620=cut
1523 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
1524sub expand_cfpod { 1633sub expand_cfpod {
1525 ((my $self), (local $_)) = @_; 1634 my ($self, $pod) = @_;
1526 1635
1527 # escape & and < 1636 my $xml;
1528 s/&/&amp;/g;
1529 s/(?<![BIUGHT])</&lt;/g;
1530 1637
1531 # this is buggy, it needs to properly take care of nested <'s 1638 while () {
1639 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1640 $group = $1;
1532 1641
1533 1 while 1642 $group =~ s/&/&amp;/g;
1534 # replace B<>, I<>, U<> etc. 1643 $group =~ s/</&lt;/g;
1535 s/B<([^\>]*)>/<b>$1<\/b>/ 1644
1536 || s/I<([^\>]*)>/<i>$1<\/i>/ 1645 $xml .= $group;
1537 || s/U<([^\>]*)>/<u>$1<\/u>/ 1646 } elsif ($pod =~ m%\G
1538 || s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/ 1647 ([BCGHITU])
1539 # replace G<male|female> tags 1648 <
1540 || s{G<([^>|]*)\|([^>]*)>}{ 1649 (?:
1541 $self->gender ? $2 : $1 1650 ([^<>]*) (?{ $group = $^N })
1542 }ge 1651 | < $interior >
1543 # replace H<hint text> 1652 )
1544 || s{H<([^\>]*)>} 1653 >
1654 %gcsx
1545 { 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") {
1546 ("<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>",
1547 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>", 1674 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1548 "") 1675 "")
1549 [$self->{hintmode}] 1676 [$self->{hintmode}];
1677 } else {
1678 $xml .= "error processing '$code($data)' directive";
1550 }ge; 1679 }
1680 } else {
1681 if ($pod =~ /\G(.+)/) {
1682 warn "parse error while expanding $pod (at $1)";
1683 }
1684 last;
1685 }
1686 }
1551 1687
1688 for ($xml) {
1552 # create single paragraphs (very hackish) 1689 # create single paragraphs (very hackish)
1553 s/(?<=\S)\n(?=\w)/ /g; 1690 s/(?<=\S)\n(?=\w)/ /g;
1554 1691
1555 # compress some whitespace 1692 # compress some whitespace
1556 s/\s+\n/\n/g; # ws line-ends 1693 s/\s+\n/\n/g; # ws line-ends
1557 s/\n\n+/\n/g; # double lines 1694 s/\n\n+/\n/g; # double lines
1558 s/^\n+//; # beginning lines 1695 s/^\n+//; # beginning lines
1559 s/\n+$//; # ending lines 1696 s/\n+$//; # ending lines
1697 }
1560 1698
1561 $_ 1699 $xml
1562} 1700}
1701
1702no re 'eval';
1563 1703
1564sub hintmode { 1704sub hintmode {
1565 $_[0]{hintmode} = $_[1] if @_ > 1; 1705 $_[0]{hintmode} = $_[1] if @_ > 1;
1566 $_[0]{hintmode} 1706 $_[0]{hintmode}
1567} 1707}
1639our $MAX_RESET = 3600; 1779our $MAX_RESET = 3600;
1640our $DEFAULT_RESET = 3000; 1780our $DEFAULT_RESET = 3000;
1641 1781
1642sub generate_random_map { 1782sub generate_random_map {
1643 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
1644 # mit "rum" bekleckern, nicht 1787 # mit "rum" bekleckern, nicht
1645 $self->_create_random_map ( 1788 $self->_create_random_map (
1646 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1789 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1647 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1790 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1648 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1791 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1770 1913
1771# the temporary/swap location 1914# the temporary/swap location
1772sub save_path { 1915sub save_path {
1773 my ($self) = @_; 1916 my ($self) = @_;
1774 1917
1775 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1918 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1776 "$TMPDIR/$path.map" 1919 "$TMPDIR/$path.map"
1777} 1920}
1778 1921
1779# the unique path, undef == no special unique path 1922# the unique path, undef == no special unique path
1780sub uniq_path { 1923sub uniq_path {
1781 my ($self) = @_; 1924 my ($self) = @_;
1782 1925
1783 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1926 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1784 "$UNIQUEDIR/$path" 1927 "$UNIQUEDIR/$path"
1785} 1928}
1786 1929
1787# and all this just because we cannot iterate over 1930# and all this just because we cannot iterate over
1788# all maps in C++... 1931# all maps in C++...
1974 } 2117 }
1975 2118
1976 $self->{last_save} = $cf::RUNTIME; 2119 $self->{last_save} = $cf::RUNTIME;
1977 $self->last_access ($cf::RUNTIME); 2120 $self->last_access ($cf::RUNTIME);
1978 2121
1979 $self->in_memory (cf::MAP_IN_MEMORY); 2122 $self->in_memory (cf::MAP_ACTIVE);
1980 } 2123 }
1981 2124
1982 $self->post_load; 2125 $self->post_load;
1983} 2126}
1984 2127
2042 my ($path, $origin, $load) = @_; 2185 my ($path, $origin, $load) = @_;
2043 2186
2044 $path = normalise $path, $origin && $origin->{path}; 2187 $path = normalise $path, $origin && $origin->{path};
2045 2188
2046 if (my $map = $cf::MAP{$path}) { 2189 if (my $map = $cf::MAP{$path}) {
2047 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY; 2190 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2048 } 2191 }
2049 2192
2050 $MAP_PREFETCH{$path} |= $load; 2193 $MAP_PREFETCH{$path} |= $load;
2051 2194
2052 $MAP_PREFETCHER ||= cf::async { 2195 $MAP_PREFETCHER ||= cf::async {
2089 cf::async { 2232 cf::async {
2090 $Coro::current->{desc} = "map player save"; 2233 $Coro::current->{desc} = "map player save";
2091 $_->contr->save for $self->players; 2234 $_->contr->save for $self->players;
2092 }; 2235 };
2093 2236
2237 cf::get_slot 0.02;
2238
2094 if ($uniq) { 2239 if ($uniq) {
2095 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2240 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2096 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2241 $self->_save_objects ($uniq, cf::IO_UNIQUES);
2097 } else { 2242 } else {
2098 $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);
2106 $self->save; 2251 $self->save;
2107 2252
2108 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2253 my $lock = cf::lock_acquire "map_data:$self->{path}";
2109 2254
2110 return if $self->players; 2255 return if $self->players;
2111 return if $self->in_memory != cf::MAP_IN_MEMORY; 2256 return if $self->in_memory != cf::MAP_ACTIVE;
2112 return if $self->{deny_save}; 2257 return if $self->{deny_save};
2113 2258
2114 $self->in_memory (cf::MAP_SWAPPED); 2259 $self->in_memory (cf::MAP_SWAPPED);
2115 2260
2116 $self->deactivate; 2261 $self->deactivate;
2234 2379
2235sub unique_maps() { 2380sub unique_maps() {
2236 [ 2381 [
2237 map { 2382 map {
2238 utf8::decode $_; 2383 utf8::decode $_;
2239 /\.map$/ 2384 s/\.map$//; # TODO future compatibility hack
2385 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2386 ? ()
2240 ? normalise $_ 2387 : normalise $_
2241 : ()
2242 } @{ aio_readdir $UNIQUEDIR or [] } 2388 } @{ aio_readdir $UNIQUEDIR or [] }
2243 ] 2389 ]
2244} 2390}
2245 2391
2246package cf;
2247
2248=back 2392=back
2249 2393
2250=head3 cf::object 2394=head3 cf::object
2251 2395
2252=cut 2396=cut
2255 2399
2256=over 4 2400=over 4
2257 2401
2258=item $ob->inv_recursive 2402=item $ob->inv_recursive
2259 2403
2260Returns 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.
2261 2406
2262=cut 2407=cut
2263 2408
2264sub inv_recursive_; 2409sub inv_recursive_;
2265sub inv_recursive_ { 2410sub inv_recursive_ {
2270 inv_recursive_ inv $_[0] 2415 inv_recursive_ inv $_[0]
2271} 2416}
2272 2417
2273=item $ref = $ob->ref 2418=item $ref = $ob->ref
2274 2419
2275creates 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.
2276 2421
2277=item $ob = cf::object::deref ($refstring) 2422=item $ob = cf::object::deref ($refstring)
2278 2423
2279returns 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,
2280even if the object actually exists. May block. 2425even if the object actually exists. May block.
2554 $rmp->{origin_y} = $exit->y; 2699 $rmp->{origin_y} = $exit->y;
2555 } 2700 }
2556 2701
2557 $rmp->{random_seed} ||= $exit->random_seed; 2702 $rmp->{random_seed} ||= $exit->random_seed;
2558 2703
2559 my $data = cf::to_json $rmp; 2704 my $data = cf::encode_json $rmp;
2560 my $md5 = Digest::MD5::md5_hex $data; 2705 my $md5 = Digest::MD5::md5_hex $data;
2561 my $meta = "$RANDOMDIR/$md5.meta"; 2706 my $meta = "$RANDOMDIR/$md5.meta";
2562 2707
2563 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2708 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2564 aio_write $fh, 0, (length $data), $data, 0; 2709 aio_write $fh, 0, (length $data), $data, 0;
2637the 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
2638the message unless the client supports the msg packet. 2783the message unless the client supports the msg packet.
2639 2784
2640=cut 2785=cut
2641 2786
2787# non-persistent channels (usually the info channel)
2642our %CHANNEL = ( 2788our %CHANNEL = (
2643 "c/identify" => { 2789 "c/identify" => {
2644 id => "infobox", 2790 id => "infobox",
2645 title => "Identify", 2791 title => "Identify",
2646 reply => undef, 2792 reply => undef,
2650 id => "infobox", 2796 id => "infobox",
2651 title => "Examine", 2797 title => "Examine",
2652 reply => undef, 2798 reply => undef,
2653 tooltip => "Signs and other items you examined", 2799 tooltip => "Signs and other items you examined",
2654 }, 2800 },
2801 "c/book" => {
2802 id => "infobox",
2803 title => "Book",
2804 reply => undef,
2805 tooltip => "The contents of a note or book",
2806 },
2655 "c/lookat" => { 2807 "c/lookat" => {
2656 id => "infobox", 2808 id => "infobox",
2657 title => "Look", 2809 title => "Look",
2658 reply => undef, 2810 reply => undef,
2659 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",
2660 }, 2836 },
2661); 2837);
2662 2838
2663sub cf::client::send_msg { 2839sub cf::client::send_msg {
2664 my ($self, $channel, $msg, $color, @extra) = @_; 2840 my ($self, $channel, $msg, $color, @extra) = @_;
3033 { 3209 {
3034 my $faces = $facedata->{faceinfo}; 3210 my $faces = $facedata->{faceinfo};
3035 3211
3036 while (my ($face, $info) = each %$faces) { 3212 while (my ($face, $info) = each %$faces) {
3037 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3213 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3214
3038 cf::face::set_visibility $idx, $info->{visibility}; 3215 cf::face::set_visibility $idx, $info->{visibility};
3039 cf::face::set_magicmap $idx, $info->{magicmap}; 3216 cf::face::set_magicmap $idx, $info->{magicmap};
3040 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32}; 3217 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3041 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64}; 3218 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3042 3219
3043 cf::cede_to_tick; 3220 cf::cede_to_tick;
3044 } 3221 }
3045 3222
3046 while (my ($face, $info) = each %$faces) { 3223 while (my ($face, $info) = each %$faces) {
3047 next unless $info->{smooth}; 3224 next unless $info->{smooth};
3225
3048 my $idx = cf::face::find $face 3226 my $idx = cf::face::find $face
3049 or next; 3227 or next;
3228
3050 if (my $smooth = cf::face::find $info->{smooth}) { 3229 if (my $smooth = cf::face::find $info->{smooth}) {
3051 cf::face::set_smooth $idx, $smooth; 3230 cf::face::set_smooth $idx, $smooth;
3052 cf::face::set_smoothlevel $idx, $info->{smoothlevel}; 3231 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3053 } else { 3232 } else {
3054 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3233 warn "smooth face '$info->{smooth}' not found for face '$face'";
3072 { 3251 {
3073 # TODO: for gcfclient pleasure, we should give resources 3252 # TODO: for gcfclient pleasure, we should give resources
3074 # that gcfclient doesn't grok a >10000 face index. 3253 # that gcfclient doesn't grok a >10000 face index.
3075 my $res = $facedata->{resource}; 3254 my $res = $facedata->{resource};
3076 3255
3077 my $soundconf = delete $res->{"res/sound.conf"};
3078
3079 while (my ($name, $info) = each %$res) { 3256 while (my ($name, $info) = each %$res) {
3257 if (defined $info->{type}) {
3080 my $idx = (cf::face::find $name) || cf::face::alloc $name; 3258 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3081 my $data; 3259 my $data;
3082 3260
3083 if ($info->{type} & 1) { 3261 if ($info->{type} & 1) {
3084 # prepend meta info 3262 # prepend meta info
3085 3263
3086 my $meta = $enc->encode ({ 3264 my $meta = $enc->encode ({
3087 name => $name, 3265 name => $name,
3088 %{ $info->{meta} || {} }, 3266 %{ $info->{meta} || {} },
3089 }); 3267 });
3090 3268
3091 $data = pack "(w/a*)*", $meta, $info->{data}; 3269 $data = pack "(w/a*)*", $meta, $info->{data};
3270 } else {
3271 $data = $info->{data};
3272 }
3273
3274 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3275 cf::face::set_type $idx, $info->{type};
3092 } else { 3276 } else {
3093 $data = $info->{data}; 3277 $RESOURCE{$name} = $info;
3094 } 3278 }
3095 3279
3096 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3097 cf::face::set_type $idx, $info->{type};
3098
3099 cf::cede_to_tick; 3280 cf::cede_to_tick;
3100 } 3281 }
3101
3102 if ($soundconf) {
3103 $soundconf = $enc->decode (delete $soundconf->{data});
3104
3105 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3106 my $sound = $soundconf->{compat}[$_]
3107 or next;
3108
3109 my $face = cf::face::find "sound/$sound->[1]";
3110 cf::sound::set $sound->[0] => $face;
3111 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3112 }
3113
3114 while (my ($k, $v) = each %{$soundconf->{event}}) {
3115 my $face = cf::face::find "sound/$v";
3116 cf::sound::set $k => $face;
3117 }
3118 }
3119 } 3282 }
3283
3284 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3120 3285
3121 1 3286 1
3122} 3287}
3288
3289cf::global->attach (on_resource_update => sub {
3290 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3291 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3292
3293 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3294 my $sound = $soundconf->{compat}[$_]
3295 or next;
3296
3297 my $face = cf::face::find "sound/$sound->[1]";
3298 cf::sound::set $sound->[0] => $face;
3299 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3300 }
3301
3302 while (my ($k, $v) = each %{$soundconf->{event}}) {
3303 my $face = cf::face::find "sound/$v";
3304 cf::sound::set $k => $face;
3305 }
3306 }
3307});
3123 3308
3124register_exticmd fx_want => sub { 3309register_exticmd fx_want => sub {
3125 my ($ns, $want) = @_; 3310 my ($ns, $want) = @_;
3126 3311
3127 while (my ($k, $v) = each %$want) { 3312 while (my ($k, $v) = each %$want) {
3182sub reload_config { 3367sub reload_config {
3183 open my $fh, "<:utf8", "$CONFDIR/config" 3368 open my $fh, "<:utf8", "$CONFDIR/config"
3184 or return; 3369 or return;
3185 3370
3186 local $/; 3371 local $/;
3187 *CFG = YAML::Syck::Load <$fh>; 3372 *CFG = YAML::Load <$fh>;
3188 3373
3189 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3374 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3190 3375
3191 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3376 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3192 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3377 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3204 # we must not ever block the main coroutine 3389 # we must not ever block the main coroutine
3205 local $Coro::idle = sub { 3390 local $Coro::idle = sub {
3206 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3391 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3207 (async { 3392 (async {
3208 $Coro::current->{desc} = "IDLE BUG HANDLER"; 3393 $Coro::current->{desc} = "IDLE BUG HANDLER";
3209 Event::one_event; 3394 EV::loop EV::LOOP_ONESHOT;
3210 })->prio (Coro::PRIO_MAX); 3395 })->prio (Coro::PRIO_MAX);
3211 }; 3396 };
3212 3397
3213 reload_config; 3398 reload_config;
3214 db_init; 3399 db_init;
3215 load_extensions; 3400 load_extensions;
3216 3401
3217 $TICK_WATCHER->start; 3402 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3403 evthread_start IO::AIO::poll_fileno;
3218 Event::loop; 3404 EV::loop;
3219} 3405}
3220 3406
3221############################################################################# 3407#############################################################################
3222# initialisation and cleanup 3408# initialisation and cleanup
3223 3409
3224# install some emergency cleanup handlers 3410# install some emergency cleanup handlers
3225BEGIN { 3411BEGIN {
3412 our %SIGWATCHER = ();
3226 for my $signal (qw(INT HUP TERM)) { 3413 for my $signal (qw(INT HUP TERM)) {
3227 Event->signal ( 3414 $SIGWATCHER{$signal} = EV::signal $signal, sub {
3228 reentrant => 0,
3229 data => WF_AUTOCANCEL,
3230 signal => $signal,
3231 prio => 0,
3232 cb => sub {
3233 cf::cleanup "SIG$signal"; 3415 cf::cleanup "SIG$signal";
3234 },
3235 ); 3416 };
3236 } 3417 }
3237} 3418}
3238 3419
3239sub write_runtime { 3420sub write_runtime_sync {
3240 my $runtime = "$LOCALDIR/runtime"; 3421 my $runtime = "$LOCALDIR/runtime";
3241 3422
3242 # first touch the runtime file to show we are still running: 3423 # first touch the runtime file to show we are still running:
3243 # the fsync below can take a very very long time. 3424 # the fsync below can take a very very long time.
3244 3425
3270 and return; 3451 and return;
3271 3452
3272 warn "runtime file written.\n"; 3453 warn "runtime file written.\n";
3273 3454
3274 1 3455 1
3456}
3457
3458our $uuid_lock;
3459our $uuid_skip;
3460
3461sub write_uuid_sync($) {
3462 $uuid_skip ||= $_[0];
3463
3464 return if $uuid_lock;
3465 local $uuid_lock = 1;
3466
3467 my $uuid = "$LOCALDIR/uuid";
3468
3469 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3470 or return;
3471
3472 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3473 $uuid_skip = 0;
3474
3475 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3476 and return;
3477
3478 # always fsync - this file is important
3479 aio_fsync $fh
3480 and return;
3481
3482 close $fh
3483 or return;
3484
3485 aio_rename "$uuid~", $uuid
3486 and return;
3487
3488 warn "uuid file written ($value).\n";
3489
3490 1
3491
3492}
3493
3494sub write_uuid($$) {
3495 my ($skip, $sync) = @_;
3496
3497 $sync ? write_uuid_sync $skip
3498 : async { write_uuid_sync $skip };
3275} 3499}
3276 3500
3277sub emergency_save() { 3501sub emergency_save() {
3278 my $freeze_guard = cf::freeze_mainloop; 3502 my $freeze_guard = cf::freeze_mainloop;
3279 3503
3301 warn "end emergency map save\n"; 3525 warn "end emergency map save\n";
3302 3526
3303 warn "begin emergency database checkpoint\n"; 3527 warn "begin emergency database checkpoint\n";
3304 BDB::db_env_txn_checkpoint $DB_ENV; 3528 BDB::db_env_txn_checkpoint $DB_ENV;
3305 warn "end emergency database checkpoint\n"; 3529 warn "end emergency database checkpoint\n";
3530
3531 warn "begin write uuid\n";
3532 write_uuid_sync 1;
3533 warn "end write uuid\n";
3306 }; 3534 };
3307 3535
3308 warn "leave emergency perl save\n"; 3536 warn "leave emergency perl save\n";
3309} 3537}
3310 3538
3325 warn "reloading..."; 3553 warn "reloading...";
3326 3554
3327 warn "entering sync_job"; 3555 warn "entering sync_job";
3328 3556
3329 cf::sync_job { 3557 cf::sync_job {
3330 cf::write_runtime; # external watchdog should not bark 3558 cf::write_runtime_sync; # external watchdog should not bark
3331 cf::emergency_save; 3559 cf::emergency_save;
3332 cf::write_runtime; # external watchdog should not bark 3560 cf::write_runtime_sync; # external watchdog should not bark
3333 3561
3334 warn "syncing database to disk"; 3562 warn "syncing database to disk";
3335 BDB::db_env_txn_checkpoint $DB_ENV; 3563 BDB::db_env_txn_checkpoint $DB_ENV;
3336 3564
3337 # if anything goes wrong in here, we should simply crash as we already saved 3565 # if anything goes wrong in here, we should simply crash as we already saved
3338
3339 warn "cancelling all WF_AUTOCANCEL watchers";
3340 for (Event::all_watchers) {
3341 $_->cancel if $_->data & WF_AUTOCANCEL;
3342 }
3343 3566
3344 warn "flushing outstanding aio requests"; 3567 warn "flushing outstanding aio requests";
3345 for (;;) { 3568 for (;;) {
3346 BDB::flush; 3569 BDB::flush;
3347 IO::AIO::flush; 3570 IO::AIO::flush;
3348 Coro::cede; 3571 Coro::cede_notself;
3349 last unless IO::AIO::nreqs || BDB::nreqs; 3572 last unless IO::AIO::nreqs || BDB::nreqs;
3350 warn "iterate..."; 3573 warn "iterate...";
3351 } 3574 }
3352 3575
3353 ++$RELOAD; 3576 ++$RELOAD;
3429 warn "leaving sync_job"; 3652 warn "leaving sync_job";
3430 3653
3431 1 3654 1
3432 } or do { 3655 } or do {
3433 warn $@; 3656 warn $@;
3434 warn "error while reloading, exiting."; 3657 cf::cleanup "error while reloading, exiting.";
3435 exit 1;
3436 }; 3658 };
3437 3659
3438 warn "reloaded"; 3660 warn "reloaded";
3439}; 3661};
3440 3662
3442 3664
3443sub reload_perl() { 3665sub reload_perl() {
3444 # doing reload synchronously and two reloads happen back-to-back, 3666 # doing reload synchronously and two reloads happen back-to-back,
3445 # coro crashes during coro_state_free->destroy here. 3667 # coro crashes during coro_state_free->destroy here.
3446 3668
3447 $RELOAD_WATCHER ||= Event->timer ( 3669 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3448 reentrant => 0,
3449 after => 0,
3450 data => WF_AUTOCANCEL,
3451 cb => sub {
3452 do_reload_perl; 3670 do_reload_perl;
3453 undef $RELOAD_WATCHER; 3671 undef $RELOAD_WATCHER;
3454 },
3455 ); 3672 };
3456} 3673}
3457 3674
3458register_command "reload" => sub { 3675register_command "reload" => sub {
3459 my ($who, $arg) = @_; 3676 my ($who, $arg) = @_;
3460 3677
3473 3690
3474our @WAIT_FOR_TICK; 3691our @WAIT_FOR_TICK;
3475our @WAIT_FOR_TICK_BEGIN; 3692our @WAIT_FOR_TICK_BEGIN;
3476 3693
3477sub wait_for_tick { 3694sub wait_for_tick {
3478 return unless $TICK_WATCHER->is_active; 3695 return if tick_inhibit;
3479 return if $Coro::current == $Coro::main; 3696 return if $Coro::current == $Coro::main;
3480 3697
3481 my $signal = new Coro::Signal; 3698 my $signal = new Coro::Signal;
3482 push @WAIT_FOR_TICK, $signal; 3699 push @WAIT_FOR_TICK, $signal;
3483 $signal->wait; 3700 $signal->wait;
3484} 3701}
3485 3702
3486sub wait_for_tick_begin { 3703sub wait_for_tick_begin {
3487 return unless $TICK_WATCHER->is_active; 3704 return if tick_inhibit;
3488 return if $Coro::current == $Coro::main; 3705 return if $Coro::current == $Coro::main;
3489 3706
3490 my $signal = new Coro::Signal; 3707 my $signal = new Coro::Signal;
3491 push @WAIT_FOR_TICK_BEGIN, $signal; 3708 push @WAIT_FOR_TICK_BEGIN, $signal;
3492 $signal->wait; 3709 $signal->wait;
3493} 3710}
3494 3711
3495$TICK_WATCHER = Event->timer ( 3712sub tick {
3496 reentrant => 0,
3497 parked => 1,
3498 prio => 0,
3499 at => $NEXT_TICK || $TICK,
3500 data => WF_AUTOCANCEL,
3501 cb => sub {
3502 if ($Coro::current != $Coro::main) { 3713 if ($Coro::current != $Coro::main) {
3503 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3714 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3504 unless ++$bug_warning > 10; 3715 unless ++$bug_warning > 10;
3505 return; 3716 return;
3506 } 3717 }
3507 3718
3508 $NOW = $tick_start = Event::time;
3509
3510 cf::server_tick; # one server iteration 3719 cf::server_tick; # one server iteration
3511 3720
3512 $RUNTIME += $TICK;
3513 $NEXT_TICK += $TICK;
3514
3515 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3721 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3516 $NEXT_RUNTIME_WRITE = $NOW + 10; 3722 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3517 Coro::async_pool { 3723 Coro::async_pool {
3518 $Coro::current->{desc} = "runtime saver"; 3724 $Coro::current->{desc} = "runtime saver";
3519 write_runtime 3725 write_runtime_sync
3520 or warn "ERROR: unable to write runtime file: $!"; 3726 or warn "ERROR: unable to write runtime file: $!";
3521 };
3522 } 3727 };
3728 }
3523 3729
3524 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3730 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3525 $sig->send; 3731 $sig->send;
3526 } 3732 }
3527 while (my $sig = shift @WAIT_FOR_TICK) { 3733 while (my $sig = shift @WAIT_FOR_TICK) {
3528 $sig->send; 3734 $sig->send;
3529 } 3735 }
3530 3736
3531 $NOW = Event::time; 3737 $LOAD = ($NOW - $TICK_START) / $TICK;
3532
3533 # if we are delayed by four ticks or more, skip them all
3534 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3535
3536 $TICK_WATCHER->at ($NEXT_TICK);
3537 $TICK_WATCHER->start;
3538
3539 $LOAD = ($NOW - $tick_start) / $TICK;
3540 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3738 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3541 3739
3542 _post_tick; 3740 if (0) {
3741 if ($NEXT_TICK) {
3742 my $jitter = $TICK_START - $NEXT_TICK;
3743 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3744 warn "jitter $JITTER\n";#d#
3745 }
3543 }, 3746 }
3544); 3747}
3545 3748
3546{ 3749{
3750 # configure BDB
3751
3547 BDB::min_parallel 8; 3752 BDB::min_parallel 8;
3548 BDB::max_poll_time $TICK * 0.1; 3753 BDB::max_poll_reqs $TICK * 0.1;
3549 $BDB_POLL_WATCHER = Event->io ( 3754 $Coro::BDB::WATCHER->priority (1);
3550 reentrant => 0,
3551 fd => BDB::poll_fileno,
3552 poll => 'r',
3553 prio => 0,
3554 data => WF_AUTOCANCEL,
3555 cb => \&BDB::poll_cb,
3556 );
3557
3558 BDB::set_sync_prepare {
3559 my $status;
3560 my $current = $Coro::current;
3561 (
3562 sub {
3563 $status = $!;
3564 $current->ready; undef $current;
3565 },
3566 sub {
3567 Coro::schedule while defined $current;
3568 $! = $status;
3569 },
3570 )
3571 };
3572 3755
3573 unless ($DB_ENV) { 3756 unless ($DB_ENV) {
3574 $DB_ENV = BDB::db_env_create; 3757 $DB_ENV = BDB::db_env_create;
3575 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC 3758 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3576 | BDB::LOG_AUTOREMOVE, 1); 3759 | BDB::LOG_AUTOREMOVE, 1);
3591 3774
3592 cf::cleanup "db_env_open(db): $@" if $@; 3775 cf::cleanup "db_env_open(db): $@" if $@;
3593 }; 3776 };
3594 } 3777 }
3595 3778
3596 $BDB_DEADLOCK_WATCHER = Event->timer ( 3779 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3597 after => 3,
3598 interval => 1,
3599 hard => 1,
3600 prio => 0,
3601 data => WF_AUTOCANCEL,
3602 cb => sub {
3603 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { }; 3780 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3604 },
3605 ); 3781 };
3606 $BDB_CHECKPOINT_WATCHER = Event->timer ( 3782 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3607 after => 11,
3608 interval => 60,
3609 hard => 1,
3610 prio => 0,
3611 data => WF_AUTOCANCEL,
3612 cb => sub {
3613 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { }; 3783 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3614 },
3615 ); 3784 };
3616 $BDB_TRICKLE_WATCHER = Event->timer ( 3785 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3617 after => 5,
3618 interval => 10,
3619 hard => 1,
3620 prio => 0,
3621 data => WF_AUTOCANCEL,
3622 cb => sub {
3623 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { }; 3786 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3624 },
3625 ); 3787 };
3626} 3788}
3627 3789
3628{ 3790{
3791 # configure IO::AIO
3792
3629 IO::AIO::min_parallel 8; 3793 IO::AIO::min_parallel 8;
3630
3631 undef $Coro::AIO::WATCHER;
3632 IO::AIO::max_poll_time $TICK * 0.1; 3794 IO::AIO::max_poll_time $TICK * 0.1;
3633 $AIO_POLL_WATCHER = Event->io ( 3795 $Coro::AIO::WATCHER->priority (1);
3634 reentrant => 0,
3635 data => WF_AUTOCANCEL,
3636 fd => IO::AIO::poll_fileno,
3637 poll => 'r',
3638 prio => 0,
3639 cb => \&IO::AIO::poll_cb,
3640 );
3641} 3796}
3642 3797
3643my $_log_backtrace; 3798my $_log_backtrace;
3644 3799
3645sub _log_backtrace { 3800sub _log_backtrace {

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