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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.378 by root, Thu Oct 4 11:36:54 2007 UTC vs.
Revision 1.421 by root, Tue Apr 15 18:43:11 2008 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation, either version 3 of the License, or
9# (at your option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the GNU General Public License
17# along with this program. If not, see <http://www.gnu.org/licenses/>.
18#
19# The authors can be reached via e-mail to <support@deliantra.net>
20#
21
1package cf; 22package cf;
2 23
3use utf8; 24use utf8;
4use strict; 25use strict;
5 26
6use Symbol; 27use Symbol;
7use List::Util; 28use List::Util;
8use Socket; 29use Socket;
9use 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 3.64 (); 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 2.32 (); 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($$) {
378 my ($interval, $cb) = @_;
379
380 my $start = rand List::Util::min 180, $interval;
381
382 EV::periodic $start, $interval, 0, $cb
339} 383}
340 384
341=item cf::get_slot $time[, $priority[, $name]] 385=item cf::get_slot $time[, $priority[, $name]]
342 386
343Allocate $time seconds of blocking CPU time at priority C<$priority>: 387Allocate $time seconds of blocking CPU time at priority C<$priority>:
373 } 417 }
374 } 418 }
375 } 419 }
376 420
377 if (@SLOT_QUEUE) { 421 if (@SLOT_QUEUE) {
378 # we do not use wait_For_tick() as it returns immediately when tick is inactive 422 # we do not use wait_for_tick() as it returns immediately when tick is inactive
379 push @cf::WAIT_FOR_TICK, $signal; 423 push @cf::WAIT_FOR_TICK, $signal;
380 $signal->wait; 424 $signal->wait;
381 } else { 425 } else {
382 Coro::schedule; 426 Coro::schedule;
383 } 427 }
384 } 428 }
385}; 429};
386 430
387sub get_slot($;$$) { 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 # TODO: use suspend/resume instead 478 LOG llevError, Carp::longmess "sync job";#d#
433 # (but this is cancel-safe) 479
434 my $freeze_guard = freeze_mainloop; 480 my $freeze_guard = freeze_mainloop;
435 481
436 my $busy = 1; 482 my $busy = 1;
437 my @res; 483 my @res;
438 484
442 warn $@ if $@; 488 warn $@ if $@;
443 undef $busy; 489 undef $busy;
444 })->prio (Coro::PRIO_MAX); 490 })->prio (Coro::PRIO_MAX);
445 491
446 while ($busy) { 492 while ($busy) {
447 Coro::cede or Event::one_event; 493 if (Coro::nready) {
494 Coro::cede_notself;
495 } else {
496 EV::loop EV::LOOP_ONESHOT;
448 } 497 }
498 }
449 499
450 $time = Event::time - $time; 500 my $time = EV::time - $time;
451 501
452 LOG llevError | logBacktrace, Carp::longmess "long sync job"
453 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
454
455 $tick_start += $time; # do not account sync jobs to server load 502 $TICK_START += $time; # do not account sync jobs to server load
456 503
457 wantarray ? @res : $res[0] 504 wantarray ? @res : $res[0]
458 } else { 505 } else {
459 # we are in another coroutine, how wonderful, everything just works 506 # we are in another coroutine, how wonderful, everything just works
460 507
485=item fork_call { }, $args 532=item fork_call { }, $args
486 533
487Executes the given code block with the given arguments in a seperate 534Executes the given code block with the given arguments in a seperate
488process, returning the results. Everything must be serialisable with 535process, returning the results. Everything must be serialisable with
489Coro::Storable. May, of course, block. Note that the executed sub may 536Coro::Storable. May, of course, block. Note that the executed sub may
490never block itself or use any form of Event handling. 537never block itself or use any form of event handling.
491 538
492=cut 539=cut
493 540
494sub fork_call(&@) { 541sub fork_call(&@) {
495 my ($cb, @args) = @_; 542 my ($cb, @args) = @_;
502 reset_signals; 549 reset_signals;
503 &$cb 550 &$cb
504 }, @args; 551 }, @args;
505 552
506 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
507} 581}
508 582
509=item $value = cf::db_get $family => $key 583=item $value = cf::db_get $family => $key
510 584
511Returns a single value from the environment database. 585Returns a single value from the environment database.
656attach callbacks/event handlers (a collection of which is called an "attachment") 730attach callbacks/event handlers (a collection of which is called an "attachment")
657to it. All such attachable objects support the following methods. 731to it. All such attachable objects support the following methods.
658 732
659In 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>
660C<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
661Crossfire TRT). 735Deliantra).
662 736
663=over 4 737=over 4
664 738
665=item $attachable->attach ($attachment, key => $value...) 739=item $attachable->attach ($attachment, key => $value...)
666 740
948 } 1022 }
949 1023
950 0 1024 0
951} 1025}
952 1026
953=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1027=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
954 1028
955=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1029=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
956 1030
957Generate an object-specific event with the given arguments. 1031Generate an object-specific event with the given arguments.
958 1032
964 1038
965=cut 1039=cut
966 1040
967############################################################################# 1041#############################################################################
968# object support 1042# object support
969#
970 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#
971sub _can_merge { 1077sub _can_merge {
972 my ($ob1, $ob2) = @_; 1078 my ($ob1, $ob2) = @_;
973 1079
974 local $Storable::canonical = 1; 1080 ++$SLOW_MERGES;#d#
975 my $fob1 = Storable::freeze $ob1;
976 my $fob2 = Storable::freeze $ob2;
977 1081
978 $fob1 eq $fob2 1082 # we do the slow way here
1083 return _object_equal $ob1, $ob2
979} 1084}
980 1085
981sub reattach { 1086sub reattach {
982 # basically do the same as instantiate, without calling instantiate 1087 # basically do the same as instantiate, without calling instantiate
983 my ($obj) = @_; 1088 my ($obj) = @_;
1005cf::attachable->attach ( 1110cf::attachable->attach (
1006 prio => -1000000, 1111 prio => -1000000,
1007 on_instantiate => sub { 1112 on_instantiate => sub {
1008 my ($obj, $data) = @_; 1113 my ($obj, $data) = @_;
1009 1114
1010 $data = from_json $data; 1115 $data = decode_json $data;
1011 1116
1012 for (@$data) { 1117 for (@$data) {
1013 my ($name, $args) = @$_; 1118 my ($name, $args) = @$_;
1014 1119
1015 $obj->attach ($name, %{$args || {} }); 1120 $obj->attach ($name, %{$args || {} });
1044 close $fh; 1149 close $fh;
1045 1150
1046 if (@$objs) { 1151 if (@$objs) {
1047 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) {
1048 chmod SAVE_MODE, $fh; 1153 chmod SAVE_MODE, $fh;
1049 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1154 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1050 aio_write $fh, 0, (length $data), $data, 0; 1155 aio_write $fh, 0, (length $data), $data, 0;
1051 aio_fsync $fh if $cf::USE_FSYNC; 1156 aio_fsync $fh if $cf::USE_FSYNC;
1052 close $fh; 1157 close $fh;
1053 aio_rename "$filename.pst~", "$filename.pst"; 1158 aio_rename "$filename.pst~", "$filename.pst";
1054 } 1159 }
1085 1190
1086 unless (aio_stat "$filename.pst") { 1191 unless (aio_stat "$filename.pst") {
1087 (aio_load "$filename.pst", $av) >= 0 1192 (aio_load "$filename.pst", $av) >= 0
1088 or return; 1193 or return;
1089 1194
1090 $av = eval { (Storable::thaw $av)->{objs} }; 1195 my $st = eval { Coro::Storable::thaw $av };
1196 $av = $st->{objs};
1091 } 1197 }
1092 1198
1093 utf8::decode (my $decname = $filename); 1199 utf8::decode (my $decname = $filename);
1094 warn sprintf "loading %s (%d,%d)\n", 1200 warn sprintf "loading %s (%d,%d)\n",
1095 $decname, length $data, scalar @{$av || []}; 1201 $decname, length $data, scalar @{$av || []};
1251 my $msg = $@ ? "$v->{path}: $@\n" 1357 my $msg = $@ ? "$v->{path}: $@\n"
1252 : "$v->{base}: extension inactive.\n"; 1358 : "$v->{base}: extension inactive.\n";
1253 1359
1254 if (exists $v->{meta}{mandatory}) { 1360 if (exists $v->{meta}{mandatory}) {
1255 warn $msg; 1361 warn $msg;
1256 warn "mandatory extension failed to load, exiting.\n"; 1362 cf::cleanup "mandatory extension failed to load, exiting.";
1257 exit 1;
1258 } 1363 }
1259 1364
1260 warn $msg; 1365 warn $msg;
1261 } 1366 }
1262 1367
1371 return if $pl->{deny_save}; 1476 return if $pl->{deny_save};
1372 1477
1373 aio_mkdir playerdir $pl, 0770; 1478 aio_mkdir playerdir $pl, 0770;
1374 $pl->{last_save} = $cf::RUNTIME; 1479 $pl->{last_save} = $cf::RUNTIME;
1375 1480
1481 cf::get_slot 0.01;
1482
1376 $pl->save_pl ($path); 1483 $pl->save_pl ($path);
1377 cf::cede_to_tick; 1484 cf::cede_to_tick;
1378} 1485}
1379 1486
1380sub new($) { 1487sub new($) {
1510 1617
1511Expand crossfire pod fragments into protocol xml. 1618Expand crossfire pod fragments into protocol xml.
1512 1619
1513=cut 1620=cut
1514 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
1515sub expand_cfpod { 1633sub expand_cfpod {
1516 ((my $self), (local $_)) = @_; 1634 my ($self, $pod) = @_;
1517 1635
1518 # escape & and < 1636 my $xml;
1519 s/&/&amp;/g;
1520 s/(?<![BIUGHT])</&lt;/g;
1521 1637
1522 # this is buggy, it needs to properly take care of nested <'s 1638 while () {
1639 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1640 $group = $1;
1523 1641
1524 1 while 1642 $group =~ s/&/&amp;/g;
1525 # replace B<>, I<>, U<> etc. 1643 $group =~ s/</&lt;/g;
1526 s/B<([^\>]*)>/<b>$1<\/b>/ 1644
1527 || s/I<([^\>]*)>/<i>$1<\/i>/ 1645 $xml .= $group;
1528 || s/U<([^\>]*)>/<u>$1<\/u>/ 1646 } elsif ($pod =~ m%\G
1529 || s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/ 1647 ([BCGHITU])
1530 # replace G<male|female> tags 1648 <
1531 || s{G<([^>|]*)\|([^>]*)>}{ 1649 (?:
1532 $self->gender ? $2 : $1 1650 ([^<>]*) (?{ $group = $^N })
1533 }ge 1651 | < $interior >
1534 # replace H<hint text> 1652 )
1535 || s{H<([^\>]*)>} 1653 >
1654 %gcsx
1536 { 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") {
1537 ("<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>",
1538 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>", 1674 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1539 "") 1675 "")
1540 [$self->{hintmode}] 1676 [$self->{hintmode}];
1677 } else {
1678 $xml .= "error processing '$code($data)' directive";
1541 }ge; 1679 }
1680 } else {
1681 if ($pod =~ /\G(.+)/) {
1682 warn "parse error while expanding $pod (at $1)";
1683 }
1684 last;
1685 }
1686 }
1542 1687
1688 for ($xml) {
1543 # create single paragraphs (very hackish) 1689 # create single paragraphs (very hackish)
1544 s/(?<=\S)\n(?=\w)/ /g; 1690 s/(?<=\S)\n(?=\w)/ /g;
1545 1691
1546 # compress some whitespace 1692 # compress some whitespace
1547 s/\s+\n/\n/g; # ws line-ends 1693 s/\s+\n/\n/g; # ws line-ends
1548 s/\n\n+/\n/g; # double lines 1694 s/\n\n+/\n/g; # double lines
1549 s/^\n+//; # beginning lines 1695 s/^\n+//; # beginning lines
1550 s/\n+$//; # ending lines 1696 s/\n+$//; # ending lines
1697 }
1551 1698
1552 $_ 1699 $xml
1553} 1700}
1701
1702no re 'eval';
1554 1703
1555sub hintmode { 1704sub hintmode {
1556 $_[0]{hintmode} = $_[1] if @_ > 1; 1705 $_[0]{hintmode} = $_[1] if @_ > 1;
1557 $_[0]{hintmode} 1706 $_[0]{hintmode}
1558} 1707}
1630our $MAX_RESET = 3600; 1779our $MAX_RESET = 3600;
1631our $DEFAULT_RESET = 3000; 1780our $DEFAULT_RESET = 3000;
1632 1781
1633sub generate_random_map { 1782sub generate_random_map {
1634 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
1635 # mit "rum" bekleckern, nicht 1787 # mit "rum" bekleckern, nicht
1636 $self->_create_random_map ( 1788 $self->_create_random_map (
1637 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1789 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1638 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1790 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1639 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1791 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1761 1913
1762# the temporary/swap location 1914# the temporary/swap location
1763sub save_path { 1915sub save_path {
1764 my ($self) = @_; 1916 my ($self) = @_;
1765 1917
1766 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1918 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1767 "$TMPDIR/$path.map" 1919 "$TMPDIR/$path.map"
1768} 1920}
1769 1921
1770# the unique path, undef == no special unique path 1922# the unique path, undef == no special unique path
1771sub uniq_path { 1923sub uniq_path {
1772 my ($self) = @_; 1924 my ($self) = @_;
1773 1925
1774 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1926 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1775 "$UNIQUEDIR/$path" 1927 "$UNIQUEDIR/$path"
1776} 1928}
1777 1929
1778# and all this just because we cannot iterate over 1930# and all this just because we cannot iterate over
1779# all maps in C++... 1931# all maps in C++...
1965 } 2117 }
1966 2118
1967 $self->{last_save} = $cf::RUNTIME; 2119 $self->{last_save} = $cf::RUNTIME;
1968 $self->last_access ($cf::RUNTIME); 2120 $self->last_access ($cf::RUNTIME);
1969 2121
1970 $self->in_memory (cf::MAP_IN_MEMORY); 2122 $self->in_memory (cf::MAP_ACTIVE);
1971 } 2123 }
1972 2124
1973 $self->post_load; 2125 $self->post_load;
1974} 2126}
1975 2127
2033 my ($path, $origin, $load) = @_; 2185 my ($path, $origin, $load) = @_;
2034 2186
2035 $path = normalise $path, $origin && $origin->{path}; 2187 $path = normalise $path, $origin && $origin->{path};
2036 2188
2037 if (my $map = $cf::MAP{$path}) { 2189 if (my $map = $cf::MAP{$path}) {
2038 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY; 2190 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2039 } 2191 }
2040 2192
2041 $MAP_PREFETCH{$path} |= $load; 2193 $MAP_PREFETCH{$path} |= $load;
2042 2194
2043 $MAP_PREFETCHER ||= cf::async { 2195 $MAP_PREFETCHER ||= cf::async {
2080 cf::async { 2232 cf::async {
2081 $Coro::current->{desc} = "map player save"; 2233 $Coro::current->{desc} = "map player save";
2082 $_->contr->save for $self->players; 2234 $_->contr->save for $self->players;
2083 }; 2235 };
2084 2236
2237 cf::get_slot 0.02;
2238
2085 if ($uniq) { 2239 if ($uniq) {
2086 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2240 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2087 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2241 $self->_save_objects ($uniq, cf::IO_UNIQUES);
2088 } else { 2242 } else {
2089 $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);
2097 $self->save; 2251 $self->save;
2098 2252
2099 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2253 my $lock = cf::lock_acquire "map_data:$self->{path}";
2100 2254
2101 return if $self->players; 2255 return if $self->players;
2102 return if $self->in_memory != cf::MAP_IN_MEMORY; 2256 return if $self->in_memory != cf::MAP_ACTIVE;
2103 return if $self->{deny_save}; 2257 return if $self->{deny_save};
2104 2258
2105 $self->in_memory (cf::MAP_SWAPPED); 2259 $self->in_memory (cf::MAP_SWAPPED);
2106 2260
2107 $self->deactivate; 2261 $self->deactivate;
2225 2379
2226sub unique_maps() { 2380sub unique_maps() {
2227 [ 2381 [
2228 map { 2382 map {
2229 utf8::decode $_; 2383 utf8::decode $_;
2230 /\.map$/ 2384 s/\.map$//; # TODO future compatibility hack
2385 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2386 ? ()
2231 ? normalise $_ 2387 : normalise $_
2232 : ()
2233 } @{ aio_readdir $UNIQUEDIR or [] } 2388 } @{ aio_readdir $UNIQUEDIR or [] }
2234 ] 2389 ]
2235} 2390}
2236 2391
2237package cf;
2238
2239=back 2392=back
2240 2393
2241=head3 cf::object 2394=head3 cf::object
2242 2395
2243=cut 2396=cut
2246 2399
2247=over 4 2400=over 4
2248 2401
2249=item $ob->inv_recursive 2402=item $ob->inv_recursive
2250 2403
2251Returns 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.
2252 2406
2253=cut 2407=cut
2254 2408
2255sub inv_recursive_; 2409sub inv_recursive_;
2256sub inv_recursive_ { 2410sub inv_recursive_ {
2261 inv_recursive_ inv $_[0] 2415 inv_recursive_ inv $_[0]
2262} 2416}
2263 2417
2264=item $ref = $ob->ref 2418=item $ref = $ob->ref
2265 2419
2266creates 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.
2267 2421
2268=item $ob = cf::object::deref ($refstring) 2422=item $ob = cf::object::deref ($refstring)
2269 2423
2270returns 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,
2271even if the object actually exists. May block. 2425even if the object actually exists. May block.
2545 $rmp->{origin_y} = $exit->y; 2699 $rmp->{origin_y} = $exit->y;
2546 } 2700 }
2547 2701
2548 $rmp->{random_seed} ||= $exit->random_seed; 2702 $rmp->{random_seed} ||= $exit->random_seed;
2549 2703
2550 my $data = cf::to_json $rmp; 2704 my $data = JSON::XS->new->utf8->pretty->canolicalize->encode ($rmp);
2551 my $md5 = Digest::MD5::md5_hex $data; 2705 my $md5 = Digest::MD5::md5_hex $data;
2552 my $meta = "$RANDOMDIR/$md5.meta"; 2706 my $meta = "$RANDOMDIR/$md5.meta";
2553 2707
2554 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2708 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2555 aio_write $fh, 0, (length $data), $data, 0; 2709 aio_write $fh, 0, (length $data), $data, 0;
2628the 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
2629the message unless the client supports the msg packet. 2783the message unless the client supports the msg packet.
2630 2784
2631=cut 2785=cut
2632 2786
2787# non-persistent channels (usually the info channel)
2633our %CHANNEL = ( 2788our %CHANNEL = (
2634 "c/identify" => { 2789 "c/identify" => {
2635 id => "infobox", 2790 id => "infobox",
2636 title => "Identify", 2791 title => "Identify",
2637 reply => undef, 2792 reply => undef,
2641 id => "infobox", 2796 id => "infobox",
2642 title => "Examine", 2797 title => "Examine",
2643 reply => undef, 2798 reply => undef,
2644 tooltip => "Signs and other items you examined", 2799 tooltip => "Signs and other items you examined",
2645 }, 2800 },
2801 "c/book" => {
2802 id => "infobox",
2803 title => "Book",
2804 reply => undef,
2805 tooltip => "The contents of a note or book",
2806 },
2646 "c/lookat" => { 2807 "c/lookat" => {
2647 id => "infobox", 2808 id => "infobox",
2648 title => "Look", 2809 title => "Look",
2649 reply => undef, 2810 reply => undef,
2650 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",
2651 }, 2836 },
2652); 2837);
2653 2838
2654sub cf::client::send_msg { 2839sub cf::client::send_msg {
2655 my ($self, $channel, $msg, $color, @extra) = @_; 2840 my ($self, $channel, $msg, $color, @extra) = @_;
2892=pod 3077=pod
2893 3078
2894The following functions and methods are available within a safe environment: 3079The following functions and methods are available within a safe environment:
2895 3080
2896 cf::object 3081 cf::object
2897 contr pay_amount pay_player map x y force_find force_add 3082 contr pay_amount pay_player map x y force_find force_add destroy
2898 insert remove name archname title slaying race decrease_ob_nr 3083 insert remove name archname title slaying race decrease_ob_nr
2899 3084
2900 cf::object::player 3085 cf::object::player
2901 player 3086 player
2902 3087
2909=cut 3094=cut
2910 3095
2911for ( 3096for (
2912 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3097 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2913 insert remove inv name archname title slaying race 3098 insert remove inv name archname title slaying race
2914 decrease_ob_nr)], 3099 decrease_ob_nr destroy)],
2915 ["cf::object::player" => qw(player)], 3100 ["cf::object::player" => qw(player)],
2916 ["cf::player" => qw(peaceful)], 3101 ["cf::player" => qw(peaceful)],
2917 ["cf::map" => qw(trigger)], 3102 ["cf::map" => qw(trigger)],
2918) { 3103) {
2919 no strict 'refs'; 3104 no strict 'refs';
3024 { 3209 {
3025 my $faces = $facedata->{faceinfo}; 3210 my $faces = $facedata->{faceinfo};
3026 3211
3027 while (my ($face, $info) = each %$faces) { 3212 while (my ($face, $info) = each %$faces) {
3028 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3213 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3214
3029 cf::face::set_visibility $idx, $info->{visibility}; 3215 cf::face::set_visibility $idx, $info->{visibility};
3030 cf::face::set_magicmap $idx, $info->{magicmap}; 3216 cf::face::set_magicmap $idx, $info->{magicmap};
3031 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};
3032 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};
3033 3219
3034 cf::cede_to_tick; 3220 cf::cede_to_tick;
3035 } 3221 }
3036 3222
3037 while (my ($face, $info) = each %$faces) { 3223 while (my ($face, $info) = each %$faces) {
3038 next unless $info->{smooth}; 3224 next unless $info->{smooth};
3225
3039 my $idx = cf::face::find $face 3226 my $idx = cf::face::find $face
3040 or next; 3227 or next;
3228
3041 if (my $smooth = cf::face::find $info->{smooth}) { 3229 if (my $smooth = cf::face::find $info->{smooth}) {
3042 cf::face::set_smooth $idx, $smooth; 3230 cf::face::set_smooth $idx, $smooth;
3043 cf::face::set_smoothlevel $idx, $info->{smoothlevel}; 3231 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3044 } else { 3232 } else {
3045 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3233 warn "smooth face '$info->{smooth}' not found for face '$face'";
3063 { 3251 {
3064 # TODO: for gcfclient pleasure, we should give resources 3252 # TODO: for gcfclient pleasure, we should give resources
3065 # that gcfclient doesn't grok a >10000 face index. 3253 # that gcfclient doesn't grok a >10000 face index.
3066 my $res = $facedata->{resource}; 3254 my $res = $facedata->{resource};
3067 3255
3068 my $soundconf = delete $res->{"res/sound.conf"};
3069
3070 while (my ($name, $info) = each %$res) { 3256 while (my ($name, $info) = each %$res) {
3257 if (defined $info->{type}) {
3071 my $idx = (cf::face::find $name) || cf::face::alloc $name; 3258 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3072 my $data; 3259 my $data;
3073 3260
3074 if ($info->{type} & 1) { 3261 if ($info->{type} & 1) {
3075 # prepend meta info 3262 # prepend meta info
3076 3263
3077 my $meta = $enc->encode ({ 3264 my $meta = $enc->encode ({
3078 name => $name, 3265 name => $name,
3079 %{ $info->{meta} || {} }, 3266 %{ $info->{meta} || {} },
3080 }); 3267 });
3081 3268
3082 $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};
3083 } else { 3276 } else {
3084 $data = $info->{data}; 3277 $RESOURCE{$name} = $info;
3085 } 3278 }
3086 3279
3087 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3088 cf::face::set_type $idx, $info->{type};
3089
3090 cf::cede_to_tick; 3280 cf::cede_to_tick;
3091 } 3281 }
3092
3093 if ($soundconf) {
3094 $soundconf = $enc->decode (delete $soundconf->{data});
3095
3096 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3097 my $sound = $soundconf->{compat}[$_]
3098 or next;
3099
3100 my $face = cf::face::find "sound/$sound->[1]";
3101 cf::sound::set $sound->[0] => $face;
3102 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3103 }
3104
3105 while (my ($k, $v) = each %{$soundconf->{event}}) {
3106 my $face = cf::face::find "sound/$v";
3107 cf::sound::set $k => $face;
3108 }
3109 }
3110 } 3282 }
3283
3284 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3111 3285
3112 1 3286 1
3113} 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});
3114 3308
3115register_exticmd fx_want => sub { 3309register_exticmd fx_want => sub {
3116 my ($ns, $want) = @_; 3310 my ($ns, $want) = @_;
3117 3311
3118 while (my ($k, $v) = each %$want) { 3312 while (my ($k, $v) = each %$want) {
3173sub reload_config { 3367sub reload_config {
3174 open my $fh, "<:utf8", "$CONFDIR/config" 3368 open my $fh, "<:utf8", "$CONFDIR/config"
3175 or return; 3369 or return;
3176 3370
3177 local $/; 3371 local $/;
3178 *CFG = YAML::Syck::Load <$fh>; 3372 *CFG = YAML::Load <$fh>;
3179 3373
3180 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3374 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3181 3375
3182 $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};
3183 $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};
3195 # we must not ever block the main coroutine 3389 # we must not ever block the main coroutine
3196 local $Coro::idle = sub { 3390 local $Coro::idle = sub {
3197 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#
3198 (async { 3392 (async {
3199 $Coro::current->{desc} = "IDLE BUG HANDLER"; 3393 $Coro::current->{desc} = "IDLE BUG HANDLER";
3200 Event::one_event; 3394 EV::loop EV::LOOP_ONESHOT;
3201 })->prio (Coro::PRIO_MAX); 3395 })->prio (Coro::PRIO_MAX);
3202 }; 3396 };
3203 3397
3204 reload_config; 3398 reload_config;
3205 db_init; 3399 db_init;
3206 load_extensions; 3400 load_extensions;
3207 3401
3208 $TICK_WATCHER->start; 3402 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3403 evthread_start IO::AIO::poll_fileno;
3209 Event::loop; 3404 EV::loop;
3210} 3405}
3211 3406
3212############################################################################# 3407#############################################################################
3213# initialisation and cleanup 3408# initialisation and cleanup
3214 3409
3215# install some emergency cleanup handlers 3410# install some emergency cleanup handlers
3216BEGIN { 3411BEGIN {
3412 our %SIGWATCHER = ();
3217 for my $signal (qw(INT HUP TERM)) { 3413 for my $signal (qw(INT HUP TERM)) {
3218 Event->signal ( 3414 $SIGWATCHER{$signal} = EV::signal $signal, sub {
3219 reentrant => 0,
3220 data => WF_AUTOCANCEL,
3221 signal => $signal,
3222 prio => 0,
3223 cb => sub {
3224 cf::cleanup "SIG$signal"; 3415 cf::cleanup "SIG$signal";
3225 },
3226 ); 3416 };
3227 } 3417 }
3228} 3418}
3229 3419
3230sub write_runtime { 3420sub write_runtime_sync {
3231 my $runtime = "$LOCALDIR/runtime"; 3421 my $runtime = "$LOCALDIR/runtime";
3232 3422
3233 # first touch the runtime file to show we are still running: 3423 # first touch the runtime file to show we are still running:
3234 # the fsync below can take a very very long time. 3424 # the fsync below can take a very very long time.
3235 3425
3261 and return; 3451 and return;
3262 3452
3263 warn "runtime file written.\n"; 3453 warn "runtime file written.\n";
3264 3454
3265 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 };
3266} 3499}
3267 3500
3268sub emergency_save() { 3501sub emergency_save() {
3269 my $freeze_guard = cf::freeze_mainloop; 3502 my $freeze_guard = cf::freeze_mainloop;
3270 3503
3276 # and maps saved/destroyed asynchronously. 3509 # and maps saved/destroyed asynchronously.
3277 warn "begin emergency player save\n"; 3510 warn "begin emergency player save\n";
3278 for my $login (keys %cf::PLAYER) { 3511 for my $login (keys %cf::PLAYER) {
3279 my $pl = $cf::PLAYER{$login} or next; 3512 my $pl = $cf::PLAYER{$login} or next;
3280 $pl->valid or next; 3513 $pl->valid or next;
3514 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3281 $pl->save; 3515 $pl->save;
3282 } 3516 }
3283 warn "end emergency player save\n"; 3517 warn "end emergency player save\n";
3284 3518
3285 warn "begin emergency map save\n"; 3519 warn "begin emergency map save\n";
3291 warn "end emergency map save\n"; 3525 warn "end emergency map save\n";
3292 3526
3293 warn "begin emergency database checkpoint\n"; 3527 warn "begin emergency database checkpoint\n";
3294 BDB::db_env_txn_checkpoint $DB_ENV; 3528 BDB::db_env_txn_checkpoint $DB_ENV;
3295 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";
3296 }; 3534 };
3297 3535
3298 warn "leave emergency perl save\n"; 3536 warn "leave emergency perl save\n";
3299} 3537}
3300 3538
3315 warn "reloading..."; 3553 warn "reloading...";
3316 3554
3317 warn "entering sync_job"; 3555 warn "entering sync_job";
3318 3556
3319 cf::sync_job { 3557 cf::sync_job {
3320 cf::write_runtime; # external watchdog should not bark 3558 cf::write_runtime_sync; # external watchdog should not bark
3321 cf::emergency_save; 3559 cf::emergency_save;
3322 cf::write_runtime; # external watchdog should not bark 3560 cf::write_runtime_sync; # external watchdog should not bark
3323 3561
3324 warn "syncing database to disk"; 3562 warn "syncing database to disk";
3325 BDB::db_env_txn_checkpoint $DB_ENV; 3563 BDB::db_env_txn_checkpoint $DB_ENV;
3326 3564
3327 # 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
3328
3329 warn "cancelling all WF_AUTOCANCEL watchers";
3330 for (Event::all_watchers) {
3331 $_->cancel if $_->data & WF_AUTOCANCEL;
3332 }
3333 3566
3334 warn "flushing outstanding aio requests"; 3567 warn "flushing outstanding aio requests";
3335 for (;;) { 3568 for (;;) {
3336 BDB::flush; 3569 BDB::flush;
3337 IO::AIO::flush; 3570 IO::AIO::flush;
3338 Coro::cede; 3571 Coro::cede_notself;
3339 last unless IO::AIO::nreqs || BDB::nreqs; 3572 last unless IO::AIO::nreqs || BDB::nreqs;
3340 warn "iterate..."; 3573 warn "iterate...";
3341 } 3574 }
3342 3575
3343 ++$RELOAD; 3576 ++$RELOAD;
3419 warn "leaving sync_job"; 3652 warn "leaving sync_job";
3420 3653
3421 1 3654 1
3422 } or do { 3655 } or do {
3423 warn $@; 3656 warn $@;
3424 warn "error while reloading, exiting."; 3657 cf::cleanup "error while reloading, exiting.";
3425 exit 1;
3426 }; 3658 };
3427 3659
3428 warn "reloaded"; 3660 warn "reloaded";
3429}; 3661};
3430 3662
3432 3664
3433sub reload_perl() { 3665sub reload_perl() {
3434 # doing reload synchronously and two reloads happen back-to-back, 3666 # doing reload synchronously and two reloads happen back-to-back,
3435 # coro crashes during coro_state_free->destroy here. 3667 # coro crashes during coro_state_free->destroy here.
3436 3668
3437 $RELOAD_WATCHER ||= Event->timer ( 3669 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3438 reentrant => 0,
3439 after => 0,
3440 data => WF_AUTOCANCEL,
3441 cb => sub {
3442 do_reload_perl; 3670 do_reload_perl;
3443 undef $RELOAD_WATCHER; 3671 undef $RELOAD_WATCHER;
3444 },
3445 ); 3672 };
3446} 3673}
3447 3674
3448register_command "reload" => sub { 3675register_command "reload" => sub {
3449 my ($who, $arg) = @_; 3676 my ($who, $arg) = @_;
3450 3677
3463 3690
3464our @WAIT_FOR_TICK; 3691our @WAIT_FOR_TICK;
3465our @WAIT_FOR_TICK_BEGIN; 3692our @WAIT_FOR_TICK_BEGIN;
3466 3693
3467sub wait_for_tick { 3694sub wait_for_tick {
3468 return unless $TICK_WATCHER->is_active; 3695 return if tick_inhibit;
3469 return if $Coro::current == $Coro::main; 3696 return if $Coro::current == $Coro::main;
3470 3697
3471 my $signal = new Coro::Signal; 3698 my $signal = new Coro::Signal;
3472 push @WAIT_FOR_TICK, $signal; 3699 push @WAIT_FOR_TICK, $signal;
3473 $signal->wait; 3700 $signal->wait;
3474} 3701}
3475 3702
3476sub wait_for_tick_begin { 3703sub wait_for_tick_begin {
3477 return unless $TICK_WATCHER->is_active; 3704 return if tick_inhibit;
3478 return if $Coro::current == $Coro::main; 3705 return if $Coro::current == $Coro::main;
3479 3706
3480 my $signal = new Coro::Signal; 3707 my $signal = new Coro::Signal;
3481 push @WAIT_FOR_TICK_BEGIN, $signal; 3708 push @WAIT_FOR_TICK_BEGIN, $signal;
3482 $signal->wait; 3709 $signal->wait;
3483} 3710}
3484 3711
3485$TICK_WATCHER = Event->timer ( 3712sub tick {
3486 reentrant => 0,
3487 parked => 1,
3488 prio => 0,
3489 at => $NEXT_TICK || $TICK,
3490 data => WF_AUTOCANCEL,
3491 cb => sub {
3492 if ($Coro::current != $Coro::main) { 3713 if ($Coro::current != $Coro::main) {
3493 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3714 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3494 unless ++$bug_warning > 10; 3715 unless ++$bug_warning > 10;
3495 return; 3716 return;
3496 } 3717 }
3497 3718
3498 $NOW = $tick_start = Event::time;
3499
3500 cf::server_tick; # one server iteration 3719 cf::server_tick; # one server iteration
3501 3720
3502 $RUNTIME += $TICK;
3503 $NEXT_TICK += $TICK;
3504
3505 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3721 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3506 $NEXT_RUNTIME_WRITE = $NOW + 10; 3722 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3507 Coro::async_pool { 3723 Coro::async_pool {
3508 $Coro::current->{desc} = "runtime saver"; 3724 $Coro::current->{desc} = "runtime saver";
3509 write_runtime 3725 write_runtime_sync
3510 or warn "ERROR: unable to write runtime file: $!"; 3726 or warn "ERROR: unable to write runtime file: $!";
3511 };
3512 } 3727 };
3728 }
3513 3729
3514 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3730 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3515 $sig->send; 3731 $sig->send;
3516 } 3732 }
3517 while (my $sig = shift @WAIT_FOR_TICK) { 3733 while (my $sig = shift @WAIT_FOR_TICK) {
3518 $sig->send; 3734 $sig->send;
3519 } 3735 }
3520 3736
3521 $NOW = Event::time; 3737 $LOAD = ($NOW - $TICK_START) / $TICK;
3522
3523 # if we are delayed by four ticks or more, skip them all
3524 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3525
3526 $TICK_WATCHER->at ($NEXT_TICK);
3527 $TICK_WATCHER->start;
3528
3529 $LOAD = ($NOW - $tick_start) / $TICK;
3530 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3738 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3531 3739
3532 _post_tick; 3740 if (0) {
3741 if ($NEXT_TICK) {
3742 my $jitter = $TICK_START - $NEXT_TICK;
3743 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3744 warn "jitter $JITTER\n";#d#
3745 }
3533 }, 3746 }
3534); 3747}
3535 3748
3536{ 3749{
3750 # configure BDB
3751
3537 BDB::min_parallel 8; 3752 BDB::min_parallel 8;
3538 BDB::max_poll_time $TICK * 0.1; 3753 BDB::max_poll_reqs $TICK * 0.1;
3539 $BDB_POLL_WATCHER = Event->io ( 3754 $Coro::BDB::WATCHER->priority (1);
3540 reentrant => 0,
3541 fd => BDB::poll_fileno,
3542 poll => 'r',
3543 prio => 0,
3544 data => WF_AUTOCANCEL,
3545 cb => \&BDB::poll_cb,
3546 );
3547
3548 BDB::set_sync_prepare {
3549 my $status;
3550 my $current = $Coro::current;
3551 (
3552 sub {
3553 $status = $!;
3554 $current->ready; undef $current;
3555 },
3556 sub {
3557 Coro::schedule while defined $current;
3558 $! = $status;
3559 },
3560 )
3561 };
3562 3755
3563 unless ($DB_ENV) { 3756 unless ($DB_ENV) {
3564 $DB_ENV = BDB::db_env_create; 3757 $DB_ENV = BDB::db_env_create;
3565 $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
3566 | BDB::LOG_AUTOREMOVE, 1); 3759 | BDB::LOG_AUTOREMOVE, 1);
3581 3774
3582 cf::cleanup "db_env_open(db): $@" if $@; 3775 cf::cleanup "db_env_open(db): $@" if $@;
3583 }; 3776 };
3584 } 3777 }
3585 3778
3586 $BDB_DEADLOCK_WATCHER = Event->timer ( 3779 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3587 after => 3,
3588 interval => 1,
3589 hard => 1,
3590 prio => 0,
3591 data => WF_AUTOCANCEL,
3592 cb => sub {
3593 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 { };
3594 },
3595 ); 3781 };
3596 $BDB_CHECKPOINT_WATCHER = Event->timer ( 3782 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3597 after => 11,
3598 interval => 60,
3599 hard => 1,
3600 prio => 0,
3601 data => WF_AUTOCANCEL,
3602 cb => sub {
3603 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { }; 3783 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3604 },
3605 ); 3784 };
3606 $BDB_TRICKLE_WATCHER = Event->timer ( 3785 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3607 after => 5,
3608 interval => 10,
3609 hard => 1,
3610 prio => 0,
3611 data => WF_AUTOCANCEL,
3612 cb => sub {
3613 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { }; 3786 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3614 },
3615 ); 3787 };
3616} 3788}
3617 3789
3618{ 3790{
3791 # configure IO::AIO
3792
3619 IO::AIO::min_parallel 8; 3793 IO::AIO::min_parallel 8;
3620
3621 undef $Coro::AIO::WATCHER;
3622 IO::AIO::max_poll_time $TICK * 0.1; 3794 IO::AIO::max_poll_time $TICK * 0.1;
3623 $AIO_POLL_WATCHER = Event->io ( 3795 $Coro::AIO::WATCHER->priority (1);
3624 reentrant => 0,
3625 data => WF_AUTOCANCEL,
3626 fd => IO::AIO::poll_fileno,
3627 poll => 'r',
3628 prio => 0,
3629 cb => \&IO::AIO::poll_cb,
3630 );
3631} 3796}
3632 3797
3633my $_log_backtrace; 3798my $_log_backtrace;
3634 3799
3635sub _log_backtrace { 3800sub _log_backtrace {

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