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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 1.417 by root, Fri Apr 11 14:09:57 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}
2036 } 2184 }
2037 2185
2038 $MAP_PREFETCH{$path} |= $load; 2186 $MAP_PREFETCH{$path} |= $load;
2039 2187
2040 $MAP_PREFETCHER ||= cf::async { 2188 $MAP_PREFETCHER ||= cf::async {
2189 $Coro::current->{desc} = "map prefetcher";
2190
2041 while (%MAP_PREFETCH) { 2191 while (%MAP_PREFETCH) {
2042 while (my ($k, $v) = each %MAP_PREFETCH) { 2192 while (my ($k, $v) = each %MAP_PREFETCH) {
2043 if (my $map = find $k) { 2193 if (my $map = find $k) {
2044 $map->load if $v; 2194 $map->load if $v;
2045 } 2195 }
2071 return if $self->{deny_save}; 2221 return if $self->{deny_save};
2072 2222
2073 local $self->{last_access} = $self->last_access;#d# 2223 local $self->{last_access} = $self->last_access;#d#
2074 2224
2075 cf::async { 2225 cf::async {
2226 $Coro::current->{desc} = "map player save";
2076 $_->contr->save for $self->players; 2227 $_->contr->save for $self->players;
2077 }; 2228 };
2078 2229
2079 if ($uniq) { 2230 if ($uniq) {
2080 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2231 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2226 : () 2377 : ()
2227 } @{ aio_readdir $UNIQUEDIR or [] } 2378 } @{ aio_readdir $UNIQUEDIR or [] }
2228 ] 2379 ]
2229} 2380}
2230 2381
2231package cf;
2232
2233=back 2382=back
2234 2383
2235=head3 cf::object 2384=head3 cf::object
2236 2385
2237=cut 2386=cut
2267=cut 2416=cut
2268 2417
2269sub deref { 2418sub deref {
2270 my ($ref) = @_; 2419 my ($ref) = @_;
2271 2420
2272 # temporary compatibility#TODO#remove
2273 $ref =~ s{^<}{player/<};
2274
2275 if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) { 2421 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2276 my ($uuid, $name) = ($1, $2); 2422 my ($uuid, $name) = ($1, $2);
2277 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name 2423 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2278 or return; 2424 or return;
2279 $pl->ob->uuid eq $uuid 2425 $pl->ob->uuid eq $uuid
2280 or return; 2426 or return;
2451 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2597 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2452 2598
2453 $self->enter_link; 2599 $self->enter_link;
2454 2600
2455 (async { 2601 (async {
2602 $Coro::current->{desc} = "player::goto $path $x $y";
2603
2456 # *tag paths override both path and x|y 2604 # *tag paths override both path and x|y
2457 if ($path =~ /^\*(.*)$/) { 2605 if ($path =~ /^\*(.*)$/) {
2458 if (my @obs = grep $_->map, ext::map_tags::find $1) { 2606 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2459 my $ob = $obs[rand @obs]; 2607 my $ob = $obs[rand @obs];
2460 2608
2540 $rmp->{origin_y} = $exit->y; 2688 $rmp->{origin_y} = $exit->y;
2541 } 2689 }
2542 2690
2543 $rmp->{random_seed} ||= $exit->random_seed; 2691 $rmp->{random_seed} ||= $exit->random_seed;
2544 2692
2545 my $data = cf::to_json $rmp; 2693 my $data = cf::encode_json $rmp;
2546 my $md5 = Digest::MD5::md5_hex $data; 2694 my $md5 = Digest::MD5::md5_hex $data;
2547 my $meta = "$RANDOMDIR/$md5.meta"; 2695 my $meta = "$RANDOMDIR/$md5.meta";
2548 2696
2549 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2697 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2550 aio_write $fh, 0, (length $data), $data, 0; 2698 aio_write $fh, 0, (length $data), $data, 0;
2577 # if exit is damned, update players death & WoR home-position 2725 # if exit is damned, update players death & WoR home-position
2578 $self->contr->savebed ($slaying, $hp, $sp) 2726 $self->contr->savebed ($slaying, $hp, $sp)
2579 if $exit->flag (FLAG_DAMNED); 2727 if $exit->flag (FLAG_DAMNED);
2580 2728
2581 (async { 2729 (async {
2730 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2731
2582 $self->deactivate_recursive; # just to be sure 2732 $self->deactivate_recursive; # just to be sure
2583 unless (eval { 2733 unless (eval {
2584 $self->goto ($slaying, $hp, $sp); 2734 $self->goto ($slaying, $hp, $sp);
2585 2735
2586 1; 2736 1;
2621the message, with C<log> being the default. If C<$color> is negative, suppress 2771the message, with C<log> being the default. If C<$color> is negative, suppress
2622the message unless the client supports the msg packet. 2772the message unless the client supports the msg packet.
2623 2773
2624=cut 2774=cut
2625 2775
2776# non-persistent channels (usually the info channel)
2626our %CHANNEL = ( 2777our %CHANNEL = (
2627 "c/identify" => { 2778 "c/identify" => {
2628 id => "identify", 2779 id => "infobox",
2629 title => "Identify", 2780 title => "Identify",
2630 reply => undef, 2781 reply => undef,
2631 tooltip => "Items recently identified", 2782 tooltip => "Items recently identified",
2632 }, 2783 },
2633 "c/examine" => { 2784 "c/examine" => {
2634 id => "examine", 2785 id => "infobox",
2635 title => "Examine", 2786 title => "Examine",
2636 reply => undef, 2787 reply => undef,
2637 tooltip => "Signs and other items you examined", 2788 tooltip => "Signs and other items you examined",
2638 }, 2789 },
2790 "c/book" => {
2791 id => "infobox",
2792 title => "Book",
2793 reply => undef,
2794 tooltip => "The contents of a note or book",
2795 },
2796 "c/lookat" => {
2797 id => "infobox",
2798 title => "Look",
2799 reply => undef,
2800 tooltip => "What you saw there",
2801 },
2802 "c/who" => {
2803 id => "infobox",
2804 title => "Players",
2805 reply => undef,
2806 tooltip => "Shows players who are currently online",
2807 },
2808 "c/body" => {
2809 id => "infobox",
2810 title => "Body Parts",
2811 reply => undef,
2812 tooltip => "Shows which body parts you posess and are available",
2813 },
2814 "c/uptime" => {
2815 id => "infobox",
2816 title => "Uptime",
2817 reply => undef,
2818 tooltip => "How long the server has been running since last restart",
2819 },
2820 "c/mapinfo" => {
2821 id => "infobox",
2822 title => "Map Info",
2823 reply => undef,
2824 tooltip => "Information related to the maps",
2825 },
2639); 2826);
2640 2827
2641sub cf::client::send_msg { 2828sub cf::client::send_msg {
2642 my ($self, $channel, $msg, $color, @extra) = @_; 2829 my ($self, $channel, $msg, $color, @extra) = @_;
2643 2830
2644 $msg = $self->pl->expand_cfpod ($msg); 2831 $msg = $self->pl->expand_cfpod ($msg);
2645 2832
2646 $color &= cf::NDI_CLIENT_MASK; # just in case... 2833 $color &= cf::NDI_CLIENT_MASK; # just in case...
2647 2834
2648 # check predefined channels, for the benefit of C 2835 # check predefined channels, for the benefit of C
2649 $channel = $CHANNEL{$channel} if $CHANNEL{$channel}; 2836 if ($CHANNEL{$channel}) {
2837 $channel = $CHANNEL{$channel};
2650 2838
2839 $self->ext_msg (channel_info => $channel)
2840 if $self->can_msg;
2841
2842 $channel = $channel->{id};
2843
2651 if (ref $channel) { 2844 } elsif (ref $channel) {
2652 # send meta info to client, if not yet sent 2845 # send meta info to client, if not yet sent
2653 unless (exists $self->{channel}{$channel->{id}}) { 2846 unless (exists $self->{channel}{$channel->{id}}) {
2654 $self->{channel}{$channel->{id}} = $channel; 2847 $self->{channel}{$channel->{id}} = $channel;
2655 $self->ext_msg (channel_info => $channel) 2848 $self->ext_msg (channel_info => $channel)
2656 if $self->can_msg; 2849 if $self->can_msg;
2873=pod 3066=pod
2874 3067
2875The following functions and methods are available within a safe environment: 3068The following functions and methods are available within a safe environment:
2876 3069
2877 cf::object 3070 cf::object
2878 contr pay_amount pay_player map x y force_find force_add 3071 contr pay_amount pay_player map x y force_find force_add destroy
2879 insert remove name archname title slaying race decrease_ob_nr 3072 insert remove name archname title slaying race decrease_ob_nr
2880 3073
2881 cf::object::player 3074 cf::object::player
2882 player 3075 player
2883 3076
2890=cut 3083=cut
2891 3084
2892for ( 3085for (
2893 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3086 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2894 insert remove inv name archname title slaying race 3087 insert remove inv name archname title slaying race
2895 decrease_ob_nr)], 3088 decrease_ob_nr destroy)],
2896 ["cf::object::player" => qw(player)], 3089 ["cf::object::player" => qw(player)],
2897 ["cf::player" => qw(peaceful)], 3090 ["cf::player" => qw(peaceful)],
2898 ["cf::map" => qw(trigger)], 3091 ["cf::map" => qw(trigger)],
2899) { 3092) {
2900 no strict 'refs'; 3093 no strict 'refs';
3005 { 3198 {
3006 my $faces = $facedata->{faceinfo}; 3199 my $faces = $facedata->{faceinfo};
3007 3200
3008 while (my ($face, $info) = each %$faces) { 3201 while (my ($face, $info) = each %$faces) {
3009 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3202 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3203
3010 cf::face::set_visibility $idx, $info->{visibility}; 3204 cf::face::set_visibility $idx, $info->{visibility};
3011 cf::face::set_magicmap $idx, $info->{magicmap}; 3205 cf::face::set_magicmap $idx, $info->{magicmap};
3012 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32}; 3206 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}; 3207 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3014 3208
3015 cf::cede_to_tick; 3209 cf::cede_to_tick;
3016 } 3210 }
3017 3211
3018 while (my ($face, $info) = each %$faces) { 3212 while (my ($face, $info) = each %$faces) {
3019 next unless $info->{smooth}; 3213 next unless $info->{smooth};
3214
3020 my $idx = cf::face::find $face 3215 my $idx = cf::face::find $face
3021 or next; 3216 or next;
3217
3022 if (my $smooth = cf::face::find $info->{smooth}) { 3218 if (my $smooth = cf::face::find $info->{smooth}) {
3023 cf::face::set_smooth $idx, $smooth; 3219 cf::face::set_smooth $idx, $smooth;
3024 cf::face::set_smoothlevel $idx, $info->{smoothlevel}; 3220 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3025 } else { 3221 } else {
3026 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3222 warn "smooth face '$info->{smooth}' not found for face '$face'";
3044 { 3240 {
3045 # TODO: for gcfclient pleasure, we should give resources 3241 # TODO: for gcfclient pleasure, we should give resources
3046 # that gcfclient doesn't grok a >10000 face index. 3242 # that gcfclient doesn't grok a >10000 face index.
3047 my $res = $facedata->{resource}; 3243 my $res = $facedata->{resource};
3048 3244
3049 my $soundconf = delete $res->{"res/sound.conf"};
3050
3051 while (my ($name, $info) = each %$res) { 3245 while (my ($name, $info) = each %$res) {
3246 if (defined $info->{type}) {
3052 my $idx = (cf::face::find $name) || cf::face::alloc $name; 3247 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3053 my $data; 3248 my $data;
3054 3249
3055 if ($info->{type} & 1) { 3250 if ($info->{type} & 1) {
3056 # prepend meta info 3251 # prepend meta info
3057 3252
3058 my $meta = $enc->encode ({ 3253 my $meta = $enc->encode ({
3059 name => $name, 3254 name => $name,
3060 %{ $info->{meta} || {} }, 3255 %{ $info->{meta} || {} },
3061 }); 3256 });
3062 3257
3063 $data = pack "(w/a*)*", $meta, $info->{data}; 3258 $data = pack "(w/a*)*", $meta, $info->{data};
3259 } else {
3260 $data = $info->{data};
3261 }
3262
3263 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3264 cf::face::set_type $idx, $info->{type};
3064 } else { 3265 } else {
3065 $data = $info->{data}; 3266 $RESOURCE{$name} = $info;
3066 } 3267 }
3067 3268
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; 3269 cf::cede_to_tick;
3072 } 3270 }
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 } 3271 }
3272
3273 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3092 3274
3093 1 3275 1
3094} 3276}
3277
3278cf::global->attach (on_resource_update => sub {
3279 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3280 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3281
3282 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3283 my $sound = $soundconf->{compat}[$_]
3284 or next;
3285
3286 my $face = cf::face::find "sound/$sound->[1]";
3287 cf::sound::set $sound->[0] => $face;
3288 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3289 }
3290
3291 while (my ($k, $v) = each %{$soundconf->{event}}) {
3292 my $face = cf::face::find "sound/$v";
3293 cf::sound::set $k => $face;
3294 }
3295 }
3296});
3095 3297
3096register_exticmd fx_want => sub { 3298register_exticmd fx_want => sub {
3097 my ($ns, $want) = @_; 3299 my ($ns, $want) = @_;
3098 3300
3099 while (my ($k, $v) = each %$want) { 3301 while (my ($k, $v) = each %$want) {
3154sub reload_config { 3356sub reload_config {
3155 open my $fh, "<:utf8", "$CONFDIR/config" 3357 open my $fh, "<:utf8", "$CONFDIR/config"
3156 or return; 3358 or return;
3157 3359
3158 local $/; 3360 local $/;
3159 *CFG = YAML::Syck::Load <$fh>; 3361 *CFG = YAML::Load <$fh>;
3160 3362
3161 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3363 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3162 3364
3163 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3365 $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}; 3366 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3175sub main { 3377sub main {
3176 # we must not ever block the main coroutine 3378 # we must not ever block the main coroutine
3177 local $Coro::idle = sub { 3379 local $Coro::idle = sub {
3178 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3380 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3179 (async { 3381 (async {
3180 Event::one_event; 3382 $Coro::current->{desc} = "IDLE BUG HANDLER";
3383 EV::loop EV::LOOP_ONESHOT;
3181 })->prio (Coro::PRIO_MAX); 3384 })->prio (Coro::PRIO_MAX);
3182 }; 3385 };
3183 3386
3184 reload_config; 3387 reload_config;
3185 db_init; 3388 db_init;
3186 load_extensions; 3389 load_extensions;
3187 3390
3188 $TICK_WATCHER->start; 3391 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3392 evthread_start IO::AIO::poll_fileno;
3189 Event::loop; 3393 EV::loop;
3190} 3394}
3191 3395
3192############################################################################# 3396#############################################################################
3193# initialisation and cleanup 3397# initialisation and cleanup
3194 3398
3195# install some emergency cleanup handlers 3399# install some emergency cleanup handlers
3196BEGIN { 3400BEGIN {
3401 our %SIGWATCHER = ();
3197 for my $signal (qw(INT HUP TERM)) { 3402 for my $signal (qw(INT HUP TERM)) {
3198 Event->signal ( 3403 $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"; 3404 cf::cleanup "SIG$signal";
3205 },
3206 ); 3405 };
3207 } 3406 }
3208} 3407}
3209 3408
3210sub write_runtime { 3409sub write_runtime_sync {
3211 my $runtime = "$LOCALDIR/runtime"; 3410 my $runtime = "$LOCALDIR/runtime";
3212 3411
3213 # first touch the runtime file to show we are still running: 3412 # first touch the runtime file to show we are still running:
3214 # the fsync below can take a very very long time. 3413 # the fsync below can take a very very long time.
3215 3414
3241 and return; 3440 and return;
3242 3441
3243 warn "runtime file written.\n"; 3442 warn "runtime file written.\n";
3244 3443
3245 1 3444 1
3445}
3446
3447our $uuid_lock;
3448our $uuid_skip;
3449
3450sub write_uuid_sync($) {
3451 $uuid_skip ||= $_[0];
3452
3453 return if $uuid_lock;
3454 local $uuid_lock = 1;
3455
3456 my $uuid = "$LOCALDIR/uuid";
3457
3458 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3459 or return;
3460
3461 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3462 $uuid_skip = 0;
3463
3464 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3465 and return;
3466
3467 # always fsync - this file is important
3468 aio_fsync $fh
3469 and return;
3470
3471 close $fh
3472 or return;
3473
3474 aio_rename "$uuid~", $uuid
3475 and return;
3476
3477 warn "uuid file written ($value).\n";
3478
3479 1
3480
3481}
3482
3483sub write_uuid($$) {
3484 my ($skip, $sync) = @_;
3485
3486 $sync ? write_uuid_sync $skip
3487 : async { write_uuid_sync $skip };
3246} 3488}
3247 3489
3248sub emergency_save() { 3490sub emergency_save() {
3249 my $freeze_guard = cf::freeze_mainloop; 3491 my $freeze_guard = cf::freeze_mainloop;
3250 3492
3256 # and maps saved/destroyed asynchronously. 3498 # and maps saved/destroyed asynchronously.
3257 warn "begin emergency player save\n"; 3499 warn "begin emergency player save\n";
3258 for my $login (keys %cf::PLAYER) { 3500 for my $login (keys %cf::PLAYER) {
3259 my $pl = $cf::PLAYER{$login} or next; 3501 my $pl = $cf::PLAYER{$login} or next;
3260 $pl->valid or next; 3502 $pl->valid or next;
3503 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3261 $pl->save; 3504 $pl->save;
3262 } 3505 }
3263 warn "end emergency player save\n"; 3506 warn "end emergency player save\n";
3264 3507
3265 warn "begin emergency map save\n"; 3508 warn "begin emergency map save\n";
3271 warn "end emergency map save\n"; 3514 warn "end emergency map save\n";
3272 3515
3273 warn "begin emergency database checkpoint\n"; 3516 warn "begin emergency database checkpoint\n";
3274 BDB::db_env_txn_checkpoint $DB_ENV; 3517 BDB::db_env_txn_checkpoint $DB_ENV;
3275 warn "end emergency database checkpoint\n"; 3518 warn "end emergency database checkpoint\n";
3519
3520 warn "begin write uuid\n";
3521 write_uuid_sync 1;
3522 warn "end write uuid\n";
3276 }; 3523 };
3277 3524
3278 warn "leave emergency perl save\n"; 3525 warn "leave emergency perl save\n";
3279} 3526}
3280 3527
3295 warn "reloading..."; 3542 warn "reloading...";
3296 3543
3297 warn "entering sync_job"; 3544 warn "entering sync_job";
3298 3545
3299 cf::sync_job { 3546 cf::sync_job {
3300 cf::write_runtime; # external watchdog should not bark 3547 cf::write_runtime_sync; # external watchdog should not bark
3301 cf::emergency_save; 3548 cf::emergency_save;
3302 cf::write_runtime; # external watchdog should not bark 3549 cf::write_runtime_sync; # external watchdog should not bark
3303 3550
3304 warn "syncing database to disk"; 3551 warn "syncing database to disk";
3305 BDB::db_env_txn_checkpoint $DB_ENV; 3552 BDB::db_env_txn_checkpoint $DB_ENV;
3306 3553
3307 # if anything goes wrong in here, we should simply crash as we already saved 3554 # 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 $_->data & WF_AUTOCANCEL;
3312 }
3313 3555
3314 warn "flushing outstanding aio requests"; 3556 warn "flushing outstanding aio requests";
3315 for (;;) { 3557 for (;;) {
3316 BDB::flush; 3558 BDB::flush;
3317 IO::AIO::flush; 3559 IO::AIO::flush;
3318 Coro::cede; 3560 Coro::cede_notself;
3319 last unless IO::AIO::nreqs || BDB::nreqs; 3561 last unless IO::AIO::nreqs || BDB::nreqs;
3320 warn "iterate..."; 3562 warn "iterate...";
3321 } 3563 }
3322 3564
3323 ++$RELOAD; 3565 ++$RELOAD;
3399 warn "leaving sync_job"; 3641 warn "leaving sync_job";
3400 3642
3401 1 3643 1
3402 } or do { 3644 } or do {
3403 warn $@; 3645 warn $@;
3404 warn "error while reloading, exiting."; 3646 cf::cleanup "error while reloading, exiting.";
3405 exit 1;
3406 }; 3647 };
3407 3648
3408 warn "reloaded"; 3649 warn "reloaded";
3409}; 3650};
3410 3651
3412 3653
3413sub reload_perl() { 3654sub reload_perl() {
3414 # doing reload synchronously and two reloads happen back-to-back, 3655 # doing reload synchronously and two reloads happen back-to-back,
3415 # coro crashes during coro_state_free->destroy here. 3656 # coro crashes during coro_state_free->destroy here.
3416 3657
3417 $RELOAD_WATCHER ||= Event->timer ( 3658 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3418 reentrant => 0,
3419 after => 0,
3420 data => WF_AUTOCANCEL,
3421 cb => sub {
3422 do_reload_perl; 3659 do_reload_perl;
3423 undef $RELOAD_WATCHER; 3660 undef $RELOAD_WATCHER;
3424 },
3425 ); 3661 };
3426} 3662}
3427 3663
3428register_command "reload" => sub { 3664register_command "reload" => sub {
3429 my ($who, $arg) = @_; 3665 my ($who, $arg) = @_;
3430 3666
3431 if ($who->flag (FLAG_WIZ)) { 3667 if ($who->flag (FLAG_WIZ)) {
3432 $who->message ("reloading server."); 3668 $who->message ("reloading server.");
3669 async {
3670 $Coro::current->{desc} = "perl_reload";
3433 async { reload_perl }; 3671 reload_perl;
3672 };
3434 } 3673 }
3435}; 3674};
3436 3675
3437unshift @INC, $LIBDIR; 3676unshift @INC, $LIBDIR;
3438 3677
3440 3679
3441our @WAIT_FOR_TICK; 3680our @WAIT_FOR_TICK;
3442our @WAIT_FOR_TICK_BEGIN; 3681our @WAIT_FOR_TICK_BEGIN;
3443 3682
3444sub wait_for_tick { 3683sub wait_for_tick {
3445 return unless $TICK_WATCHER->is_active; 3684 return if tick_inhibit;
3446 return if $Coro::current == $Coro::main; 3685 return if $Coro::current == $Coro::main;
3447 3686
3448 my $signal = new Coro::Signal; 3687 my $signal = new Coro::Signal;
3449 push @WAIT_FOR_TICK, $signal; 3688 push @WAIT_FOR_TICK, $signal;
3450 $signal->wait; 3689 $signal->wait;
3451} 3690}
3452 3691
3453sub wait_for_tick_begin { 3692sub wait_for_tick_begin {
3454 return unless $TICK_WATCHER->is_active; 3693 return if tick_inhibit;
3455 return if $Coro::current == $Coro::main; 3694 return if $Coro::current == $Coro::main;
3456 3695
3457 my $signal = new Coro::Signal; 3696 my $signal = new Coro::Signal;
3458 push @WAIT_FOR_TICK_BEGIN, $signal; 3697 push @WAIT_FOR_TICK_BEGIN, $signal;
3459 $signal->wait; 3698 $signal->wait;
3460} 3699}
3461 3700
3462$TICK_WATCHER = Event->timer ( 3701sub 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 != $Coro::main) { 3702 if ($Coro::current != $Coro::main) {
3470 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3703 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3471 unless ++$bug_warning > 10; 3704 unless ++$bug_warning > 10;
3472 return; 3705 return;
3473 } 3706 }
3474 3707
3475 $NOW = $tick_start = Event::time;
3476
3477 cf::server_tick; # one server iteration 3708 cf::server_tick; # one server iteration
3478 3709
3479 $RUNTIME += $TICK;
3480 $NEXT_TICK += $TICK;
3481
3482 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3710 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3483 $NEXT_RUNTIME_WRITE = $NOW + 10; 3711 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3484 Coro::async_pool { 3712 Coro::async_pool {
3713 $Coro::current->{desc} = "runtime saver";
3485 write_runtime 3714 write_runtime_sync
3486 or warn "ERROR: unable to write runtime file: $!"; 3715 or warn "ERROR: unable to write runtime file: $!";
3487 };
3488 } 3716 };
3717 }
3489 3718
3490 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3719 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3491 $sig->send; 3720 $sig->send;
3492 } 3721 }
3493 while (my $sig = shift @WAIT_FOR_TICK) { 3722 while (my $sig = shift @WAIT_FOR_TICK) {
3494 $sig->send; 3723 $sig->send;
3495 } 3724 }
3496 3725
3497 $NOW = Event::time; 3726 $LOAD = ($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; 3727 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3507 3728
3508 _post_tick; 3729 if (0) {
3730 if ($NEXT_TICK) {
3731 my $jitter = $TICK_START - $NEXT_TICK;
3732 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3733 warn "jitter $JITTER\n";#d#
3734 }
3509 }, 3735 }
3510); 3736}
3511 3737
3512{ 3738{
3739 # configure BDB
3740
3513 BDB::min_parallel 8; 3741 BDB::min_parallel 8;
3514 BDB::max_poll_time $TICK * 0.1; 3742 BDB::max_poll_reqs $TICK * 0.1;
3515 $BDB_POLL_WATCHER = Event->io ( 3743 $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 $! = $status;
3535 },
3536 )
3537 };
3538 3744
3539 unless ($DB_ENV) { 3745 unless ($DB_ENV) {
3540 $DB_ENV = BDB::db_env_create; 3746 $DB_ENV = BDB::db_env_create;
3541 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC 3747 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3542 | BDB::LOG_AUTOREMOVE, 1); 3748 | BDB::LOG_AUTOREMOVE, 1);
3557 3763
3558 cf::cleanup "db_env_open(db): $@" if $@; 3764 cf::cleanup "db_env_open(db): $@" if $@;
3559 }; 3765 };
3560 } 3766 }
3561 3767
3562 $BDB_DEADLOCK_WATCHER = Event->timer ( 3768 $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 { }; 3769 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3570 },
3571 ); 3770 };
3572 $BDB_CHECKPOINT_WATCHER = Event->timer ( 3771 $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 { }; 3772 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3580 },
3581 ); 3773 };
3582 $BDB_TRICKLE_WATCHER = Event->timer ( 3774 $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 { }; 3775 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3590 },
3591 ); 3776 };
3592} 3777}
3593 3778
3594{ 3779{
3780 # configure IO::AIO
3781
3595 IO::AIO::min_parallel 8; 3782 IO::AIO::min_parallel 8;
3596
3597 undef $Coro::AIO::WATCHER;
3598 IO::AIO::max_poll_time $TICK * 0.1; 3783 IO::AIO::max_poll_time $TICK * 0.1;
3599 $AIO_POLL_WATCHER = Event->io ( 3784 $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} 3785}
3608 3786
3609my $_log_backtrace; 3787my $_log_backtrace;
3610 3788
3611sub _log_backtrace { 3789sub _log_backtrace {
3615 3793
3616 # limit the # of concurrent backtraces 3794 # limit the # of concurrent backtraces
3617 if ($_log_backtrace < 2) { 3795 if ($_log_backtrace < 2) {
3618 ++$_log_backtrace; 3796 ++$_log_backtrace;
3619 async { 3797 async {
3798 $Coro::current->{desc} = "abt $msg";
3799
3620 my @bt = fork_call { 3800 my @bt = fork_call {
3621 @addr = map { sprintf "%x", $_ } @addr; 3801 @addr = map { sprintf "%x", $_ } @addr;
3622 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3802 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3623 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3803 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3624 or die "addr2line: $!"; 3804 or die "addr2line: $!";

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