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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.373 by root, Sat Sep 15 15:58:06 2007 UTC vs.
Revision 1.418 by root, Fri Apr 11 21:09:53 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>:
354our @SLOT_QUEUE; 398our @SLOT_QUEUE;
355our $SLOT_QUEUE; 399our $SLOT_QUEUE;
356 400
357$SLOT_QUEUE->cancel if $SLOT_QUEUE; 401$SLOT_QUEUE->cancel if $SLOT_QUEUE;
358$SLOT_QUEUE = Coro::async { 402$SLOT_QUEUE = Coro::async {
403 $Coro::current->desc ("timeslot manager");
404
359 my $signal = new Coro::Signal; 405 my $signal = new Coro::Signal;
360 406
361 while () { 407 while () {
362 next_job: 408 next_job:
363 my $avail = cf::till_tick; 409 my $avail = cf::till_tick;
371 } 417 }
372 } 418 }
373 } 419 }
374 420
375 if (@SLOT_QUEUE) { 421 if (@SLOT_QUEUE) {
376 # 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
377 push @cf::WAIT_FOR_TICK, $signal; 423 push @cf::WAIT_FOR_TICK, $signal;
378 $signal->wait; 424 $signal->wait;
379 } else { 425 } else {
380 Coro::schedule; 426 Coro::schedule;
381 } 427 }
404 450
405BEGIN { *async = \&Coro::async_pool } 451BEGIN { *async = \&Coro::async_pool }
406 452
407=item cf::sync_job { BLOCK } 453=item cf::sync_job { BLOCK }
408 454
409The design of Crossfire TRT requires that the main coroutine ($Coro::main) 455The design of Deliantra requires that the main coroutine ($Coro::main)
410is always able to handle events or runnable, as Crossfire TRT is only 456is always able to handle events or runnable, as Deliantra is only
411partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not 457partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
412acceptable. 458acceptable.
413 459
414If it must be done, put the blocking parts into C<sync_job>. This will run 460If it must be done, put the blocking parts into C<sync_job>. This will run
415the given BLOCK in another coroutine while waiting for the result. The 461the given BLOCK in another coroutine while waiting for the result. The
420 466
421sub sync_job(&) { 467sub sync_job(&) {
422 my ($job) = @_; 468 my ($job) = @_;
423 469
424 if ($Coro::current == $Coro::main) { 470 if ($Coro::current == $Coro::main) {
425 my $time = Event::time; 471 my $time = EV::time;
426 472
427 # this is the main coro, too bad, we have to block 473 # this is the main coro, too bad, we have to block
428 # till the operation succeeds, freezing the server :/ 474 # till the operation succeeds, freezing the server :/
429 475
430 # TODO: use suspend/resume instead 476 LOG llevError, Carp::longmess "sync job";#d#
431 # (but this is cancel-safe) 477
432 my $freeze_guard = freeze_mainloop; 478 my $freeze_guard = freeze_mainloop;
433 479
434 my $busy = 1; 480 my $busy = 1;
435 my @res; 481 my @res;
436 482
437 (async { 483 (async {
484 $Coro::current->desc ("sync job coro");
438 @res = eval { $job->() }; 485 @res = eval { $job->() };
439 warn $@ if $@; 486 warn $@ if $@;
440 undef $busy; 487 undef $busy;
441 })->prio (Coro::PRIO_MAX); 488 })->prio (Coro::PRIO_MAX);
442 489
443 while ($busy) { 490 while ($busy) {
444 Coro::cede or Event::one_event; 491 if (Coro::nready) {
492 Coro::cede_notself;
493 } else {
494 EV::loop EV::LOOP_ONESHOT;
445 } 495 }
496 }
446 497
447 $time = Event::time - $time; 498 my $time = EV::time - $time;
448 499
449 LOG llevError | logBacktrace, Carp::longmess "long sync job"
450 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
451
452 $tick_start += $time; # do not account sync jobs to server load 500 $TICK_START += $time; # do not account sync jobs to server load
453 501
454 wantarray ? @res : $res[0] 502 wantarray ? @res : $res[0]
455 } else { 503 } else {
456 # we are in another coroutine, how wonderful, everything just works 504 # we are in another coroutine, how wonderful, everything just works
457 505
482=item fork_call { }, $args 530=item fork_call { }, $args
483 531
484Executes the given code block with the given arguments in a seperate 532Executes the given code block with the given arguments in a seperate
485process, returning the results. Everything must be serialisable with 533process, returning the results. Everything must be serialisable with
486Coro::Storable. May, of course, block. Note that the executed sub may 534Coro::Storable. May, of course, block. Note that the executed sub may
487never block itself or use any form of Event handling. 535never block itself or use any form of event handling.
488 536
489=cut 537=cut
490 538
491sub fork_call(&@) { 539sub fork_call(&@) {
492 my ($cb, @args) = @_; 540 my ($cb, @args) = @_;
499 reset_signals; 547 reset_signals;
500 &$cb 548 &$cb
501 }, @args; 549 }, @args;
502 550
503 wantarray ? @res : $res[-1] 551 wantarray ? @res : $res[-1]
552}
553
554=item $coin = coin_from_name $name
555
556=cut
557
558our %coin_alias = (
559 "silver" => "silvercoin",
560 "silvercoin" => "silvercoin",
561 "silvercoins" => "silvercoin",
562 "gold" => "goldcoin",
563 "goldcoin" => "goldcoin",
564 "goldcoins" => "goldcoin",
565 "platinum" => "platinacoin",
566 "platinumcoin" => "platinacoin",
567 "platinumcoins" => "platinacoin",
568 "platina" => "platinacoin",
569 "platinacoin" => "platinacoin",
570 "platinacoins" => "platinacoin",
571 "royalty" => "royalty",
572 "royalties" => "royalty",
573);
574
575sub coin_from_name($) {
576 $coin_alias{$_[0]}
577 ? cf::arch::find $coin_alias{$_[0]}
578 : undef
504} 579}
505 580
506=item $value = cf::db_get $family => $key 581=item $value = cf::db_get $family => $key
507 582
508Returns a single value from the environment database. 583Returns a single value from the environment database.
653attach callbacks/event handlers (a collection of which is called an "attachment") 728attach callbacks/event handlers (a collection of which is called an "attachment")
654to it. All such attachable objects support the following methods. 729to it. All such attachable objects support the following methods.
655 730
656In the following description, CLASS can be any of C<global>, C<object> 731In the following description, CLASS can be any of C<global>, C<object>
657C<player>, C<client> or C<map> (i.e. the attachable objects in 732C<player>, C<client> or C<map> (i.e. the attachable objects in
658Crossfire TRT). 733Deliantra).
659 734
660=over 4 735=over 4
661 736
662=item $attachable->attach ($attachment, key => $value...) 737=item $attachable->attach ($attachment, key => $value...)
663 738
945 } 1020 }
946 1021
947 0 1022 0
948} 1023}
949 1024
950=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1025=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
951 1026
952=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1027=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
953 1028
954Generate an object-specific event with the given arguments. 1029Generate an object-specific event with the given arguments.
955 1030
961 1036
962=cut 1037=cut
963 1038
964############################################################################# 1039#############################################################################
965# object support 1040# object support
966#
967 1041
1042sub _object_equal($$);
1043sub _object_equal($$) {
1044 my ($a, $b) = @_;
1045
1046 return 0 unless (ref $a) eq (ref $b);
1047
1048 if ("HASH" eq ref $a) {
1049 my @ka = keys %$a;
1050 my @kb = keys %$b;
1051
1052 return 0 if @ka != @kb;
1053
1054 for (0 .. $#ka) {
1055 return 0 unless $ka[$_] eq $kb[$_];
1056 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1057 }
1058
1059 } elsif ("ARRAY" eq ref $a) {
1060
1061 return 0 if @$a != @$b;
1062
1063 for (0 .. $#$a) {
1064 return 0 unless _object_equal $a->[$_], $b->[$_];
1065 }
1066
1067 } elsif ($a ne $b) {
1068 return 0;
1069 }
1070
1071 1
1072}
1073
1074our $SLOW_MERGES;#d#
968sub _can_merge { 1075sub _can_merge {
969 my ($ob1, $ob2) = @_; 1076 my ($ob1, $ob2) = @_;
970 1077
971 local $Storable::canonical = 1; 1078 ++$SLOW_MERGES;#d#
972 my $fob1 = Storable::freeze $ob1;
973 my $fob2 = Storable::freeze $ob2;
974 1079
975 $fob1 eq $fob2 1080 # we do the slow way here
1081 return _object_equal $ob1, $ob2
976} 1082}
977 1083
978sub reattach { 1084sub reattach {
979 # basically do the same as instantiate, without calling instantiate 1085 # basically do the same as instantiate, without calling instantiate
980 my ($obj) = @_; 1086 my ($obj) = @_;
1002cf::attachable->attach ( 1108cf::attachable->attach (
1003 prio => -1000000, 1109 prio => -1000000,
1004 on_instantiate => sub { 1110 on_instantiate => sub {
1005 my ($obj, $data) = @_; 1111 my ($obj, $data) = @_;
1006 1112
1007 $data = from_json $data; 1113 $data = decode_json $data;
1008 1114
1009 for (@$data) { 1115 for (@$data) {
1010 my ($name, $args) = @$_; 1116 my ($name, $args) = @$_;
1011 1117
1012 $obj->attach ($name, %{$args || {} }); 1118 $obj->attach ($name, %{$args || {} });
1041 close $fh; 1147 close $fh;
1042 1148
1043 if (@$objs) { 1149 if (@$objs) {
1044 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1150 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1045 chmod SAVE_MODE, $fh; 1151 chmod SAVE_MODE, $fh;
1046 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1152 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1047 aio_write $fh, 0, (length $data), $data, 0; 1153 aio_write $fh, 0, (length $data), $data, 0;
1048 aio_fsync $fh if $cf::USE_FSYNC; 1154 aio_fsync $fh if $cf::USE_FSYNC;
1049 close $fh; 1155 close $fh;
1050 aio_rename "$filename.pst~", "$filename.pst"; 1156 aio_rename "$filename.pst~", "$filename.pst";
1051 } 1157 }
1082 1188
1083 unless (aio_stat "$filename.pst") { 1189 unless (aio_stat "$filename.pst") {
1084 (aio_load "$filename.pst", $av) >= 0 1190 (aio_load "$filename.pst", $av) >= 0
1085 or return; 1191 or return;
1086 1192
1087 $av = eval { (Storable::thaw $av)->{objs} }; 1193 my $st = eval { Coro::Storable::thaw $av };
1194 $av = $st->{objs};
1088 } 1195 }
1089 1196
1090 utf8::decode (my $decname = $filename); 1197 utf8::decode (my $decname = $filename);
1091 warn sprintf "loading %s (%d,%d)\n", 1198 warn sprintf "loading %s (%d,%d)\n",
1092 $decname, length $data, scalar @{$av || []}; 1199 $decname, length $data, scalar @{$av || []};
1248 my $msg = $@ ? "$v->{path}: $@\n" 1355 my $msg = $@ ? "$v->{path}: $@\n"
1249 : "$v->{base}: extension inactive.\n"; 1356 : "$v->{base}: extension inactive.\n";
1250 1357
1251 if (exists $v->{meta}{mandatory}) { 1358 if (exists $v->{meta}{mandatory}) {
1252 warn $msg; 1359 warn $msg;
1253 warn "mandatory extension failed to load, exiting.\n"; 1360 cf::cleanup "mandatory extension failed to load, exiting.";
1254 exit 1;
1255 } 1361 }
1256 1362
1257 warn $msg; 1363 warn $msg;
1258 } 1364 }
1259 1365
1507 1613
1508Expand crossfire pod fragments into protocol xml. 1614Expand crossfire pod fragments into protocol xml.
1509 1615
1510=cut 1616=cut
1511 1617
1618use re 'eval';
1619
1620my $group;
1621my $interior; $interior = qr{
1622 # match a pod interior sequence sans C<< >>
1623 (?:
1624 \ (.*?)\ (?{ $group = $^N })
1625 | < (??{$interior}) >
1626 )
1627}x;
1628
1512sub expand_cfpod { 1629sub expand_cfpod {
1513 ((my $self), (local $_)) = @_; 1630 my ($self, $pod) = @_;
1514 1631
1515 # escape & and < 1632 my $xml;
1516 s/&/&amp;/g;
1517 s/(?<![BIUGHT])</&lt;/g;
1518 1633
1519 # this is buggy, it needs to properly take care of nested <'s 1634 while () {
1635 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1636 $group = $1;
1520 1637
1521 1 while 1638 $group =~ s/&/&amp;/g;
1522 # replace B<>, I<>, U<> etc. 1639 $group =~ s/</&lt;/g;
1523 s/B<([^\>]*)>/<b>$1<\/b>/ 1640
1524 || s/I<([^\>]*)>/<i>$1<\/i>/ 1641 $xml .= $group;
1525 || s/U<([^\>]*)>/<u>$1<\/u>/ 1642 } elsif ($pod =~ m%\G
1526 || s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/ 1643 ([BCGHITU])
1527 # replace G<male|female> tags 1644 <
1528 || s{G<([^>|]*)\|([^>]*)>}{ 1645 (?:
1529 $self->gender ? $2 : $1 1646 ([^<>]*) (?{ $group = $^N })
1530 }ge 1647 | < $interior >
1531 # replace H<hint text> 1648 )
1532 || s{H<([^\>]*)>} 1649 >
1650 %gcsx
1533 { 1651 ) {
1652 my ($code, $data) = ($1, $group);
1653
1654 if ($code eq "B") {
1655 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1656 } elsif ($code eq "I") {
1657 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1658 } elsif ($code eq "U") {
1659 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1660 } elsif ($code eq "C") {
1661 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1662 } elsif ($code eq "T") {
1663 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1664 } elsif ($code eq "G") {
1665 my ($male, $female) = split /\|/, $data;
1666 $data = $self->gender ? $female : $male;
1667 $xml .= expand_cfpod ($self, $data);
1668 } elsif ($code eq "H") {
1534 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>", 1669 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1535 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>", 1670 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1536 "") 1671 "")
1537 [$self->{hintmode}] 1672 [$self->{hintmode}];
1673 } else {
1674 $xml .= "error processing '$code($data)' directive";
1538 }ge; 1675 }
1676 } else {
1677 if ($pod =~ /\G(.+)/) {
1678 warn "parse error while expanding $pod (at $1)";
1679 }
1680 last;
1681 }
1682 }
1539 1683
1684 for ($xml) {
1540 # create single paragraphs (very hackish) 1685 # create single paragraphs (very hackish)
1541 s/(?<=\S)\n(?=\w)/ /g; 1686 s/(?<=\S)\n(?=\w)/ /g;
1542 1687
1543 # compress some whitespace 1688 # compress some whitespace
1544 s/\s+\n/\n/g; # ws line-ends 1689 s/\s+\n/\n/g; # ws line-ends
1545 s/\n\n+/\n/g; # double lines 1690 s/\n\n+/\n/g; # double lines
1546 s/^\n+//; # beginning lines 1691 s/^\n+//; # beginning lines
1547 s/\n+$//; # ending lines 1692 s/\n+$//; # ending lines
1693 }
1548 1694
1549 $_ 1695 $xml
1550} 1696}
1697
1698no re 'eval';
1551 1699
1552sub hintmode { 1700sub hintmode {
1553 $_[0]{hintmode} = $_[1] if @_ > 1; 1701 $_[0]{hintmode} = $_[1] if @_ > 1;
1554 $_[0]{hintmode} 1702 $_[0]{hintmode}
1555} 1703}
1627our $MAX_RESET = 3600; 1775our $MAX_RESET = 3600;
1628our $DEFAULT_RESET = 3000; 1776our $DEFAULT_RESET = 3000;
1629 1777
1630sub generate_random_map { 1778sub generate_random_map {
1631 my ($self, $rmp) = @_; 1779 my ($self, $rmp) = @_;
1780
1781 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1782
1632 # mit "rum" bekleckern, nicht 1783 # mit "rum" bekleckern, nicht
1633 $self->_create_random_map ( 1784 $self->_create_random_map (
1634 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1785 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1635 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1786 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1636 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1787 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
2036 } 2187 }
2037 2188
2038 $MAP_PREFETCH{$path} |= $load; 2189 $MAP_PREFETCH{$path} |= $load;
2039 2190
2040 $MAP_PREFETCHER ||= cf::async { 2191 $MAP_PREFETCHER ||= cf::async {
2192 $Coro::current->{desc} = "map prefetcher";
2193
2041 while (%MAP_PREFETCH) { 2194 while (%MAP_PREFETCH) {
2042 while (my ($k, $v) = each %MAP_PREFETCH) { 2195 while (my ($k, $v) = each %MAP_PREFETCH) {
2043 if (my $map = find $k) { 2196 if (my $map = find $k) {
2044 $map->load if $v; 2197 $map->load if $v;
2045 } 2198 }
2071 return if $self->{deny_save}; 2224 return if $self->{deny_save};
2072 2225
2073 local $self->{last_access} = $self->last_access;#d# 2226 local $self->{last_access} = $self->last_access;#d#
2074 2227
2075 cf::async { 2228 cf::async {
2229 $Coro::current->{desc} = "map player save";
2076 $_->contr->save for $self->players; 2230 $_->contr->save for $self->players;
2077 }; 2231 };
2078 2232
2079 if ($uniq) { 2233 if ($uniq) {
2080 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2234 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2226 : () 2380 : ()
2227 } @{ aio_readdir $UNIQUEDIR or [] } 2381 } @{ aio_readdir $UNIQUEDIR or [] }
2228 ] 2382 ]
2229} 2383}
2230 2384
2231package cf;
2232
2233=back 2385=back
2234 2386
2235=head3 cf::object 2387=head3 cf::object
2236 2388
2237=cut 2389=cut
2267=cut 2419=cut
2268 2420
2269sub deref { 2421sub deref {
2270 my ($ref) = @_; 2422 my ($ref) = @_;
2271 2423
2272 # temporary compatibility#TODO#remove
2273 $ref =~ s{^<}{player/<};
2274
2275 if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) { 2424 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2276 my ($uuid, $name) = ($1, $2); 2425 my ($uuid, $name) = ($1, $2);
2277 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name 2426 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2278 or return; 2427 or return;
2279 $pl->ob->uuid eq $uuid 2428 $pl->ob->uuid eq $uuid
2280 or return; 2429 or return;
2451 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2600 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2452 2601
2453 $self->enter_link; 2602 $self->enter_link;
2454 2603
2455 (async { 2604 (async {
2605 $Coro::current->{desc} = "player::goto $path $x $y";
2606
2456 # *tag paths override both path and x|y 2607 # *tag paths override both path and x|y
2457 if ($path =~ /^\*(.*)$/) { 2608 if ($path =~ /^\*(.*)$/) {
2458 if (my @obs = grep $_->map, ext::map_tags::find $1) { 2609 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2459 my $ob = $obs[rand @obs]; 2610 my $ob = $obs[rand @obs];
2460 2611
2540 $rmp->{origin_y} = $exit->y; 2691 $rmp->{origin_y} = $exit->y;
2541 } 2692 }
2542 2693
2543 $rmp->{random_seed} ||= $exit->random_seed; 2694 $rmp->{random_seed} ||= $exit->random_seed;
2544 2695
2545 my $data = cf::to_json $rmp; 2696 my $data = cf::encode_json $rmp;
2546 my $md5 = Digest::MD5::md5_hex $data; 2697 my $md5 = Digest::MD5::md5_hex $data;
2547 my $meta = "$RANDOMDIR/$md5.meta"; 2698 my $meta = "$RANDOMDIR/$md5.meta";
2548 2699
2549 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2700 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2550 aio_write $fh, 0, (length $data), $data, 0; 2701 aio_write $fh, 0, (length $data), $data, 0;
2577 # if exit is damned, update players death & WoR home-position 2728 # if exit is damned, update players death & WoR home-position
2578 $self->contr->savebed ($slaying, $hp, $sp) 2729 $self->contr->savebed ($slaying, $hp, $sp)
2579 if $exit->flag (FLAG_DAMNED); 2730 if $exit->flag (FLAG_DAMNED);
2580 2731
2581 (async { 2732 (async {
2733 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2734
2582 $self->deactivate_recursive; # just to be sure 2735 $self->deactivate_recursive; # just to be sure
2583 unless (eval { 2736 unless (eval {
2584 $self->goto ($slaying, $hp, $sp); 2737 $self->goto ($slaying, $hp, $sp);
2585 2738
2586 1; 2739 1;
2621the message, with C<log> being the default. If C<$color> is negative, suppress 2774the message, with C<log> being the default. If C<$color> is negative, suppress
2622the message unless the client supports the msg packet. 2775the message unless the client supports the msg packet.
2623 2776
2624=cut 2777=cut
2625 2778
2779# non-persistent channels (usually the info channel)
2626our %CHANNEL = ( 2780our %CHANNEL = (
2627 "c/identify" => { 2781 "c/identify" => {
2628 id => "identify", 2782 id => "infobox",
2629 title => "Identify", 2783 title => "Identify",
2630 reply => undef, 2784 reply => undef,
2631 tooltip => "Items recently identified", 2785 tooltip => "Items recently identified",
2632 }, 2786 },
2633 "c/examine" => { 2787 "c/examine" => {
2634 id => "examine", 2788 id => "infobox",
2635 title => "Examine", 2789 title => "Examine",
2636 reply => undef, 2790 reply => undef,
2637 tooltip => "Signs and other items you examined", 2791 tooltip => "Signs and other items you examined",
2638 }, 2792 },
2793 "c/book" => {
2794 id => "infobox",
2795 title => "Book",
2796 reply => undef,
2797 tooltip => "The contents of a note or book",
2798 },
2799 "c/lookat" => {
2800 id => "infobox",
2801 title => "Look",
2802 reply => undef,
2803 tooltip => "What you saw there",
2804 },
2805 "c/who" => {
2806 id => "infobox",
2807 title => "Players",
2808 reply => undef,
2809 tooltip => "Shows players who are currently online",
2810 },
2811 "c/body" => {
2812 id => "infobox",
2813 title => "Body Parts",
2814 reply => undef,
2815 tooltip => "Shows which body parts you posess and are available",
2816 },
2817 "c/uptime" => {
2818 id => "infobox",
2819 title => "Uptime",
2820 reply => undef,
2821 tooltip => "How long the server has been running since last restart",
2822 },
2823 "c/mapinfo" => {
2824 id => "infobox",
2825 title => "Map Info",
2826 reply => undef,
2827 tooltip => "Information related to the maps",
2828 },
2639); 2829);
2640 2830
2641sub cf::client::send_msg { 2831sub cf::client::send_msg {
2642 my ($self, $channel, $msg, $color, @extra) = @_; 2832 my ($self, $channel, $msg, $color, @extra) = @_;
2643 2833
2644 $msg = $self->pl->expand_cfpod ($msg); 2834 $msg = $self->pl->expand_cfpod ($msg);
2645 2835
2646 $color &= cf::NDI_CLIENT_MASK; # just in case... 2836 $color &= cf::NDI_CLIENT_MASK; # just in case...
2647 2837
2648 # check predefined channels, for the benefit of C 2838 # check predefined channels, for the benefit of C
2649 $channel = $CHANNEL{$channel} if $CHANNEL{$channel}; 2839 if ($CHANNEL{$channel}) {
2840 $channel = $CHANNEL{$channel};
2650 2841
2842 $self->ext_msg (channel_info => $channel)
2843 if $self->can_msg;
2844
2845 $channel = $channel->{id};
2846
2651 if (ref $channel) { 2847 } elsif (ref $channel) {
2652 # send meta info to client, if not yet sent 2848 # send meta info to client, if not yet sent
2653 unless (exists $self->{channel}{$channel->{id}}) { 2849 unless (exists $self->{channel}{$channel->{id}}) {
2654 $self->{channel}{$channel->{id}} = $channel; 2850 $self->{channel}{$channel->{id}} = $channel;
2655 $self->ext_msg (channel_info => $channel) 2851 $self->ext_msg (channel_info => $channel)
2656 if $self->can_msg; 2852 if $self->can_msg;
2873=pod 3069=pod
2874 3070
2875The following functions and methods are available within a safe environment: 3071The following functions and methods are available within a safe environment:
2876 3072
2877 cf::object 3073 cf::object
2878 contr pay_amount pay_player map x y force_find force_add 3074 contr pay_amount pay_player map x y force_find force_add destroy
2879 insert remove name archname title slaying race decrease_ob_nr 3075 insert remove name archname title slaying race decrease_ob_nr
2880 3076
2881 cf::object::player 3077 cf::object::player
2882 player 3078 player
2883 3079
2890=cut 3086=cut
2891 3087
2892for ( 3088for (
2893 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3089 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2894 insert remove inv name archname title slaying race 3090 insert remove inv name archname title slaying race
2895 decrease_ob_nr)], 3091 decrease_ob_nr destroy)],
2896 ["cf::object::player" => qw(player)], 3092 ["cf::object::player" => qw(player)],
2897 ["cf::player" => qw(peaceful)], 3093 ["cf::player" => qw(peaceful)],
2898 ["cf::map" => qw(trigger)], 3094 ["cf::map" => qw(trigger)],
2899) { 3095) {
2900 no strict 'refs'; 3096 no strict 'refs';
3005 { 3201 {
3006 my $faces = $facedata->{faceinfo}; 3202 my $faces = $facedata->{faceinfo};
3007 3203
3008 while (my ($face, $info) = each %$faces) { 3204 while (my ($face, $info) = each %$faces) {
3009 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3205 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3206
3010 cf::face::set_visibility $idx, $info->{visibility}; 3207 cf::face::set_visibility $idx, $info->{visibility};
3011 cf::face::set_magicmap $idx, $info->{magicmap}; 3208 cf::face::set_magicmap $idx, $info->{magicmap};
3012 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32}; 3209 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3013 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64}; 3210 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3014 3211
3015 cf::cede_to_tick; 3212 cf::cede_to_tick;
3016 } 3213 }
3017 3214
3018 while (my ($face, $info) = each %$faces) { 3215 while (my ($face, $info) = each %$faces) {
3019 next unless $info->{smooth}; 3216 next unless $info->{smooth};
3217
3020 my $idx = cf::face::find $face 3218 my $idx = cf::face::find $face
3021 or next; 3219 or next;
3220
3022 if (my $smooth = cf::face::find $info->{smooth}) { 3221 if (my $smooth = cf::face::find $info->{smooth}) {
3023 cf::face::set_smooth $idx, $smooth; 3222 cf::face::set_smooth $idx, $smooth;
3024 cf::face::set_smoothlevel $idx, $info->{smoothlevel}; 3223 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3025 } else { 3224 } else {
3026 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3225 warn "smooth face '$info->{smooth}' not found for face '$face'";
3044 { 3243 {
3045 # TODO: for gcfclient pleasure, we should give resources 3244 # TODO: for gcfclient pleasure, we should give resources
3046 # that gcfclient doesn't grok a >10000 face index. 3245 # that gcfclient doesn't grok a >10000 face index.
3047 my $res = $facedata->{resource}; 3246 my $res = $facedata->{resource};
3048 3247
3049 my $soundconf = delete $res->{"res/sound.conf"};
3050
3051 while (my ($name, $info) = each %$res) { 3248 while (my ($name, $info) = each %$res) {
3249 if (defined $info->{type}) {
3052 my $idx = (cf::face::find $name) || cf::face::alloc $name; 3250 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3053 my $data; 3251 my $data;
3054 3252
3055 if ($info->{type} & 1) { 3253 if ($info->{type} & 1) {
3056 # prepend meta info 3254 # prepend meta info
3057 3255
3058 my $meta = $enc->encode ({ 3256 my $meta = $enc->encode ({
3059 name => $name, 3257 name => $name,
3060 %{ $info->{meta} || {} }, 3258 %{ $info->{meta} || {} },
3061 }); 3259 });
3062 3260
3063 $data = pack "(w/a*)*", $meta, $info->{data}; 3261 $data = pack "(w/a*)*", $meta, $info->{data};
3262 } else {
3263 $data = $info->{data};
3264 }
3265
3266 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3267 cf::face::set_type $idx, $info->{type};
3064 } else { 3268 } else {
3065 $data = $info->{data}; 3269 $RESOURCE{$name} = $info;
3066 } 3270 }
3067 3271
3068 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3069 cf::face::set_type $idx, $info->{type};
3070
3071 cf::cede_to_tick; 3272 cf::cede_to_tick;
3072 } 3273 }
3073
3074 if ($soundconf) {
3075 $soundconf = $enc->decode (delete $soundconf->{data});
3076
3077 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3078 my $sound = $soundconf->{compat}[$_]
3079 or next;
3080
3081 my $face = cf::face::find "sound/$sound->[1]";
3082 cf::sound::set $sound->[0] => $face;
3083 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3084 }
3085
3086 while (my ($k, $v) = each %{$soundconf->{event}}) {
3087 my $face = cf::face::find "sound/$v";
3088 cf::sound::set $k => $face;
3089 }
3090 }
3091 } 3274 }
3275
3276 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3092 3277
3093 1 3278 1
3094} 3279}
3280
3281cf::global->attach (on_resource_update => sub {
3282 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3283 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3284
3285 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3286 my $sound = $soundconf->{compat}[$_]
3287 or next;
3288
3289 my $face = cf::face::find "sound/$sound->[1]";
3290 cf::sound::set $sound->[0] => $face;
3291 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3292 }
3293
3294 while (my ($k, $v) = each %{$soundconf->{event}}) {
3295 my $face = cf::face::find "sound/$v";
3296 cf::sound::set $k => $face;
3297 }
3298 }
3299});
3095 3300
3096register_exticmd fx_want => sub { 3301register_exticmd fx_want => sub {
3097 my ($ns, $want) = @_; 3302 my ($ns, $want) = @_;
3098 3303
3099 while (my ($k, $v) = each %$want) { 3304 while (my ($k, $v) = each %$want) {
3154sub reload_config { 3359sub reload_config {
3155 open my $fh, "<:utf8", "$CONFDIR/config" 3360 open my $fh, "<:utf8", "$CONFDIR/config"
3156 or return; 3361 or return;
3157 3362
3158 local $/; 3363 local $/;
3159 *CFG = YAML::Syck::Load <$fh>; 3364 *CFG = YAML::Load <$fh>;
3160 3365
3161 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3366 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3162 3367
3163 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3368 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3164 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3369 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3175sub main { 3380sub main {
3176 # we must not ever block the main coroutine 3381 # we must not ever block the main coroutine
3177 local $Coro::idle = sub { 3382 local $Coro::idle = sub {
3178 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3383 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3179 (async { 3384 (async {
3180 Event::one_event; 3385 $Coro::current->{desc} = "IDLE BUG HANDLER";
3386 EV::loop EV::LOOP_ONESHOT;
3181 })->prio (Coro::PRIO_MAX); 3387 })->prio (Coro::PRIO_MAX);
3182 }; 3388 };
3183 3389
3184 reload_config; 3390 reload_config;
3185 db_init; 3391 db_init;
3186 load_extensions; 3392 load_extensions;
3187 3393
3188 $TICK_WATCHER->start; 3394 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3395 evthread_start IO::AIO::poll_fileno;
3189 Event::loop; 3396 EV::loop;
3190} 3397}
3191 3398
3192############################################################################# 3399#############################################################################
3193# initialisation and cleanup 3400# initialisation and cleanup
3194 3401
3195# install some emergency cleanup handlers 3402# install some emergency cleanup handlers
3196BEGIN { 3403BEGIN {
3404 our %SIGWATCHER = ();
3197 for my $signal (qw(INT HUP TERM)) { 3405 for my $signal (qw(INT HUP TERM)) {
3198 Event->signal ( 3406 $SIGWATCHER{$signal} = EV::signal $signal, sub {
3199 reentrant => 0,
3200 data => WF_AUTOCANCEL,
3201 signal => $signal,
3202 prio => 0,
3203 cb => sub {
3204 cf::cleanup "SIG$signal"; 3407 cf::cleanup "SIG$signal";
3205 },
3206 ); 3408 };
3207 } 3409 }
3208} 3410}
3209 3411
3210sub write_runtime { 3412sub write_runtime_sync {
3211 my $runtime = "$LOCALDIR/runtime"; 3413 my $runtime = "$LOCALDIR/runtime";
3212 3414
3213 # first touch the runtime file to show we are still running: 3415 # first touch the runtime file to show we are still running:
3214 # the fsync below can take a very very long time. 3416 # the fsync below can take a very very long time.
3215 3417
3241 and return; 3443 and return;
3242 3444
3243 warn "runtime file written.\n"; 3445 warn "runtime file written.\n";
3244 3446
3245 1 3447 1
3448}
3449
3450our $uuid_lock;
3451our $uuid_skip;
3452
3453sub write_uuid_sync($) {
3454 $uuid_skip ||= $_[0];
3455
3456 return if $uuid_lock;
3457 local $uuid_lock = 1;
3458
3459 my $uuid = "$LOCALDIR/uuid";
3460
3461 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3462 or return;
3463
3464 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3465 $uuid_skip = 0;
3466
3467 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3468 and return;
3469
3470 # always fsync - this file is important
3471 aio_fsync $fh
3472 and return;
3473
3474 close $fh
3475 or return;
3476
3477 aio_rename "$uuid~", $uuid
3478 and return;
3479
3480 warn "uuid file written ($value).\n";
3481
3482 1
3483
3484}
3485
3486sub write_uuid($$) {
3487 my ($skip, $sync) = @_;
3488
3489 $sync ? write_uuid_sync $skip
3490 : async { write_uuid_sync $skip };
3246} 3491}
3247 3492
3248sub emergency_save() { 3493sub emergency_save() {
3249 my $freeze_guard = cf::freeze_mainloop; 3494 my $freeze_guard = cf::freeze_mainloop;
3250 3495
3256 # and maps saved/destroyed asynchronously. 3501 # and maps saved/destroyed asynchronously.
3257 warn "begin emergency player save\n"; 3502 warn "begin emergency player save\n";
3258 for my $login (keys %cf::PLAYER) { 3503 for my $login (keys %cf::PLAYER) {
3259 my $pl = $cf::PLAYER{$login} or next; 3504 my $pl = $cf::PLAYER{$login} or next;
3260 $pl->valid or next; 3505 $pl->valid or next;
3506 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3261 $pl->save; 3507 $pl->save;
3262 } 3508 }
3263 warn "end emergency player save\n"; 3509 warn "end emergency player save\n";
3264 3510
3265 warn "begin emergency map save\n"; 3511 warn "begin emergency map save\n";
3271 warn "end emergency map save\n"; 3517 warn "end emergency map save\n";
3272 3518
3273 warn "begin emergency database checkpoint\n"; 3519 warn "begin emergency database checkpoint\n";
3274 BDB::db_env_txn_checkpoint $DB_ENV; 3520 BDB::db_env_txn_checkpoint $DB_ENV;
3275 warn "end emergency database checkpoint\n"; 3521 warn "end emergency database checkpoint\n";
3522
3523 warn "begin write uuid\n";
3524 write_uuid_sync 1;
3525 warn "end write uuid\n";
3276 }; 3526 };
3277 3527
3278 warn "leave emergency perl save\n"; 3528 warn "leave emergency perl save\n";
3279} 3529}
3280 3530
3295 warn "reloading..."; 3545 warn "reloading...";
3296 3546
3297 warn "entering sync_job"; 3547 warn "entering sync_job";
3298 3548
3299 cf::sync_job { 3549 cf::sync_job {
3300 cf::write_runtime; # external watchdog should not bark 3550 cf::write_runtime_sync; # external watchdog should not bark
3301 cf::emergency_save; 3551 cf::emergency_save;
3302 cf::write_runtime; # external watchdog should not bark 3552 cf::write_runtime_sync; # external watchdog should not bark
3303 3553
3304 warn "syncing database to disk"; 3554 warn "syncing database to disk";
3305 BDB::db_env_txn_checkpoint $DB_ENV; 3555 BDB::db_env_txn_checkpoint $DB_ENV;
3306 3556
3307 # if anything goes wrong in here, we should simply crash as we already saved 3557 # if anything goes wrong in here, we should simply crash as we already saved
3308
3309 warn "cancelling all WF_AUTOCANCEL watchers";
3310 for (Event::all_watchers) {
3311 $_->cancel if $_->data & WF_AUTOCANCEL;
3312 }
3313 3558
3314 warn "flushing outstanding aio requests"; 3559 warn "flushing outstanding aio requests";
3315 for (;;) { 3560 for (;;) {
3316 BDB::flush; 3561 BDB::flush;
3317 IO::AIO::flush; 3562 IO::AIO::flush;
3318 Coro::cede; 3563 Coro::cede_notself;
3319 last unless IO::AIO::nreqs || BDB::nreqs; 3564 last unless IO::AIO::nreqs || BDB::nreqs;
3320 warn "iterate..."; 3565 warn "iterate...";
3321 } 3566 }
3322 3567
3323 ++$RELOAD; 3568 ++$RELOAD;
3399 warn "leaving sync_job"; 3644 warn "leaving sync_job";
3400 3645
3401 1 3646 1
3402 } or do { 3647 } or do {
3403 warn $@; 3648 warn $@;
3404 warn "error while reloading, exiting."; 3649 cf::cleanup "error while reloading, exiting.";
3405 exit 1;
3406 }; 3650 };
3407 3651
3408 warn "reloaded"; 3652 warn "reloaded";
3409}; 3653};
3410 3654
3412 3656
3413sub reload_perl() { 3657sub reload_perl() {
3414 # doing reload synchronously and two reloads happen back-to-back, 3658 # doing reload synchronously and two reloads happen back-to-back,
3415 # coro crashes during coro_state_free->destroy here. 3659 # coro crashes during coro_state_free->destroy here.
3416 3660
3417 $RELOAD_WATCHER ||= Event->timer ( 3661 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3418 reentrant => 0,
3419 after => 0,
3420 data => WF_AUTOCANCEL,
3421 cb => sub {
3422 do_reload_perl; 3662 do_reload_perl;
3423 undef $RELOAD_WATCHER; 3663 undef $RELOAD_WATCHER;
3424 },
3425 ); 3664 };
3426} 3665}
3427 3666
3428register_command "reload" => sub { 3667register_command "reload" => sub {
3429 my ($who, $arg) = @_; 3668 my ($who, $arg) = @_;
3430 3669
3431 if ($who->flag (FLAG_WIZ)) { 3670 if ($who->flag (FLAG_WIZ)) {
3432 $who->message ("reloading server."); 3671 $who->message ("reloading server.");
3672 async {
3673 $Coro::current->{desc} = "perl_reload";
3433 async { reload_perl }; 3674 reload_perl;
3675 };
3434 } 3676 }
3435}; 3677};
3436 3678
3437unshift @INC, $LIBDIR; 3679unshift @INC, $LIBDIR;
3438 3680
3440 3682
3441our @WAIT_FOR_TICK; 3683our @WAIT_FOR_TICK;
3442our @WAIT_FOR_TICK_BEGIN; 3684our @WAIT_FOR_TICK_BEGIN;
3443 3685
3444sub wait_for_tick { 3686sub wait_for_tick {
3445 return unless $TICK_WATCHER->is_active; 3687 return if tick_inhibit;
3446 return if $Coro::current == $Coro::main; 3688 return if $Coro::current == $Coro::main;
3447 3689
3448 my $signal = new Coro::Signal; 3690 my $signal = new Coro::Signal;
3449 push @WAIT_FOR_TICK, $signal; 3691 push @WAIT_FOR_TICK, $signal;
3450 $signal->wait; 3692 $signal->wait;
3451} 3693}
3452 3694
3453sub wait_for_tick_begin { 3695sub wait_for_tick_begin {
3454 return unless $TICK_WATCHER->is_active; 3696 return if tick_inhibit;
3455 return if $Coro::current == $Coro::main; 3697 return if $Coro::current == $Coro::main;
3456 3698
3457 my $signal = new Coro::Signal; 3699 my $signal = new Coro::Signal;
3458 push @WAIT_FOR_TICK_BEGIN, $signal; 3700 push @WAIT_FOR_TICK_BEGIN, $signal;
3459 $signal->wait; 3701 $signal->wait;
3460} 3702}
3461 3703
3462$TICK_WATCHER = Event->timer ( 3704sub tick {
3463 reentrant => 0,
3464 parked => 1,
3465 prio => 0,
3466 at => $NEXT_TICK || $TICK,
3467 data => WF_AUTOCANCEL,
3468 cb => sub {
3469 if ($Coro::current != $Coro::main) { 3705 if ($Coro::current != $Coro::main) {
3470 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3706 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3471 unless ++$bug_warning > 10; 3707 unless ++$bug_warning > 10;
3472 return; 3708 return;
3473 } 3709 }
3474 3710
3475 $NOW = $tick_start = Event::time;
3476
3477 cf::server_tick; # one server iteration 3711 cf::server_tick; # one server iteration
3478 3712
3479 $RUNTIME += $TICK;
3480 $NEXT_TICK += $TICK;
3481
3482 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3713 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3483 $NEXT_RUNTIME_WRITE = $NOW + 10; 3714 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3484 Coro::async_pool { 3715 Coro::async_pool {
3716 $Coro::current->{desc} = "runtime saver";
3485 write_runtime 3717 write_runtime_sync
3486 or warn "ERROR: unable to write runtime file: $!"; 3718 or warn "ERROR: unable to write runtime file: $!";
3487 };
3488 } 3719 };
3720 }
3489 3721
3490 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3722 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3491 $sig->send; 3723 $sig->send;
3492 } 3724 }
3493 while (my $sig = shift @WAIT_FOR_TICK) { 3725 while (my $sig = shift @WAIT_FOR_TICK) {
3494 $sig->send; 3726 $sig->send;
3495 } 3727 }
3496 3728
3497 $NOW = Event::time; 3729 $LOAD = ($NOW - $TICK_START) / $TICK;
3498
3499 # if we are delayed by four ticks or more, skip them all
3500 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3501
3502 $TICK_WATCHER->at ($NEXT_TICK);
3503 $TICK_WATCHER->start;
3504
3505 $LOAD = ($NOW - $tick_start) / $TICK;
3506 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3730 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3507 3731
3508 _post_tick; 3732 if (0) {
3733 if ($NEXT_TICK) {
3734 my $jitter = $TICK_START - $NEXT_TICK;
3735 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3736 warn "jitter $JITTER\n";#d#
3737 }
3509 }, 3738 }
3510); 3739}
3511 3740
3512{ 3741{
3742 # configure BDB
3743
3513 BDB::min_parallel 8; 3744 BDB::min_parallel 8;
3514 BDB::max_poll_time $TICK * 0.1; 3745 BDB::max_poll_reqs $TICK * 0.1;
3515 $BDB_POLL_WATCHER = Event->io ( 3746 $Coro::BDB::WATCHER->priority (1);
3516 reentrant => 0,
3517 fd => BDB::poll_fileno,
3518 poll => 'r',
3519 prio => 0,
3520 data => WF_AUTOCANCEL,
3521 cb => \&BDB::poll_cb,
3522 );
3523
3524 BDB::set_sync_prepare {
3525 my $status;
3526 my $current = $Coro::current;
3527 (
3528 sub {
3529 $status = $!;
3530 $current->ready; undef $current;
3531 },
3532 sub {
3533 Coro::schedule while defined $current;
3534 $! = $status;
3535 },
3536 )
3537 };
3538 3747
3539 unless ($DB_ENV) { 3748 unless ($DB_ENV) {
3540 $DB_ENV = BDB::db_env_create; 3749 $DB_ENV = BDB::db_env_create;
3541 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC 3750 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3542 | BDB::LOG_AUTOREMOVE, 1); 3751 | BDB::LOG_AUTOREMOVE, 1);
3557 3766
3558 cf::cleanup "db_env_open(db): $@" if $@; 3767 cf::cleanup "db_env_open(db): $@" if $@;
3559 }; 3768 };
3560 } 3769 }
3561 3770
3562 $BDB_DEADLOCK_WATCHER = Event->timer ( 3771 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3563 after => 3,
3564 interval => 1,
3565 hard => 1,
3566 prio => 0,
3567 data => WF_AUTOCANCEL,
3568 cb => sub {
3569 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { }; 3772 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3570 },
3571 ); 3773 };
3572 $BDB_CHECKPOINT_WATCHER = Event->timer ( 3774 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3573 after => 11,
3574 interval => 60,
3575 hard => 1,
3576 prio => 0,
3577 data => WF_AUTOCANCEL,
3578 cb => sub {
3579 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { }; 3775 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3580 },
3581 ); 3776 };
3582 $BDB_TRICKLE_WATCHER = Event->timer ( 3777 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3583 after => 5,
3584 interval => 10,
3585 hard => 1,
3586 prio => 0,
3587 data => WF_AUTOCANCEL,
3588 cb => sub {
3589 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { }; 3778 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3590 },
3591 ); 3779 };
3592} 3780}
3593 3781
3594{ 3782{
3783 # configure IO::AIO
3784
3595 IO::AIO::min_parallel 8; 3785 IO::AIO::min_parallel 8;
3596
3597 undef $Coro::AIO::WATCHER;
3598 IO::AIO::max_poll_time $TICK * 0.1; 3786 IO::AIO::max_poll_time $TICK * 0.1;
3599 $AIO_POLL_WATCHER = Event->io ( 3787 $Coro::AIO::WATCHER->priority (1);
3600 reentrant => 0,
3601 data => WF_AUTOCANCEL,
3602 fd => IO::AIO::poll_fileno,
3603 poll => 'r',
3604 prio => 6,
3605 cb => \&IO::AIO::poll_cb,
3606 );
3607} 3788}
3608 3789
3609my $_log_backtrace; 3790my $_log_backtrace;
3610 3791
3611sub _log_backtrace { 3792sub _log_backtrace {
3615 3796
3616 # limit the # of concurrent backtraces 3797 # limit the # of concurrent backtraces
3617 if ($_log_backtrace < 2) { 3798 if ($_log_backtrace < 2) {
3618 ++$_log_backtrace; 3799 ++$_log_backtrace;
3619 async { 3800 async {
3801 $Coro::current->{desc} = "abt $msg";
3802
3620 my @bt = fork_call { 3803 my @bt = fork_call {
3621 @addr = map { sprintf "%x", $_ } @addr; 3804 @addr = map { sprintf "%x", $_ } @addr;
3622 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3805 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3623 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3806 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3624 or die "addr2line: $!"; 3807 or die "addr2line: $!";

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