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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.372 by root, Sat Sep 15 13:25:33 2007 UTC vs.
Revision 1.415 by root, Thu Apr 10 15:35:16 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($$) {
1044 my ($a, $b) = @_;
1045
1046 return 0 unless (ref $a) eq (ref $b);
1047
1048 if ("HASH" eq ref $a) {
1049 my @ka = keys %$a;
1050 my @kb = keys %$b;
1051
1052 return 0 if @ka != @kb;
1053
1054 for (0 .. $#ka) {
1055 return 0 unless $ka[$_] eq $kb[$_];
1056 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1057 }
1058
1059 } elsif ("ARRAY" eq ref $a) {
1060
1061 return 0 if @$a != @$b;
1062
1063 for (0 .. $#$a) {
1064 return 0 unless _object_equal $a->[$_], $b->[$_];
1065 }
1066
1067 } elsif ($a ne $b) {
1068 return 0;
1069 }
1070
1071 1
1072}
1073
1074our $SLOW_MERGES;#d#
968sub _can_merge { 1075sub _can_merge {
969 my ($ob1, $ob2) = @_; 1076 my ($ob1, $ob2) = @_;
970 1077
971 local $Storable::canonical = 1; 1078 ++$SLOW_MERGES;#d#
972 my $fob1 = Storable::freeze $ob1;
973 my $fob2 = Storable::freeze $ob2;
974 1079
975 $fob1 eq $fob2 1080 # we do the slow way here
1081 return _object_equal $ob1, $ob2
976} 1082}
977 1083
978sub reattach { 1084sub reattach {
979 # basically do the same as instantiate, without calling instantiate 1085 # basically do the same as instantiate, without calling instantiate
980 my ($obj) = @_; 1086 my ($obj) = @_;
1002cf::attachable->attach ( 1108cf::attachable->attach (
1003 prio => -1000000, 1109 prio => -1000000,
1004 on_instantiate => sub { 1110 on_instantiate => sub {
1005 my ($obj, $data) = @_; 1111 my ($obj, $data) = @_;
1006 1112
1007 $data = from_json $data; 1113 $data = decode_json $data;
1008 1114
1009 for (@$data) { 1115 for (@$data) {
1010 my ($name, $args) = @$_; 1116 my ($name, $args) = @$_;
1011 1117
1012 $obj->attach ($name, %{$args || {} }); 1118 $obj->attach ($name, %{$args || {} });
1025 }, 1131 },
1026); 1132);
1027 1133
1028sub object_freezer_save { 1134sub object_freezer_save {
1029 my ($filename, $rdata, $objs) = @_; 1135 my ($filename, $rdata, $objs) = @_;
1030
1031 my $guard = cf::lock_acquire "io";
1032 1136
1033 sync_job { 1137 sync_job {
1034 if (length $$rdata) { 1138 if (length $$rdata) {
1035 utf8::decode (my $decname = $filename); 1139 utf8::decode (my $decname = $filename);
1036 warn sprintf "saving %s (%d,%d)\n", 1140 warn sprintf "saving %s (%d,%d)\n",
1043 close $fh; 1147 close $fh;
1044 1148
1045 if (@$objs) { 1149 if (@$objs) {
1046 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) {
1047 chmod SAVE_MODE, $fh; 1151 chmod SAVE_MODE, $fh;
1048 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1152 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1049 aio_write $fh, 0, (length $data), $data, 0; 1153 aio_write $fh, 0, (length $data), $data, 0;
1050 aio_fsync $fh if $cf::USE_FSYNC; 1154 aio_fsync $fh if $cf::USE_FSYNC;
1051 close $fh; 1155 close $fh;
1052 aio_rename "$filename.pst~", "$filename.pst"; 1156 aio_rename "$filename.pst~", "$filename.pst";
1053 } 1157 }
1062 } else { 1166 } else {
1063 aio_unlink $filename; 1167 aio_unlink $filename;
1064 aio_unlink "$filename.pst"; 1168 aio_unlink "$filename.pst";
1065 } 1169 }
1066 }; 1170 };
1067
1068 undef $guard;
1069} 1171}
1070 1172
1071sub object_freezer_as_string { 1173sub object_freezer_as_string {
1072 my ($rdata, $objs) = @_; 1174 my ($rdata, $objs) = @_;
1073 1175
1078 1180
1079sub object_thawer_load { 1181sub object_thawer_load {
1080 my ($filename) = @_; 1182 my ($filename) = @_;
1081 1183
1082 my ($data, $av); 1184 my ($data, $av);
1083
1084 my $guard = cf::lock_acquire "io";
1085 1185
1086 (aio_load $filename, $data) >= 0 1186 (aio_load $filename, $data) >= 0
1087 or return; 1187 or return;
1088 1188
1089 unless (aio_stat "$filename.pst") { 1189 unless (aio_stat "$filename.pst") {
1090 (aio_load "$filename.pst", $av) >= 0 1190 (aio_load "$filename.pst", $av) >= 0
1091 or return; 1191 or return;
1092 1192
1093 undef $guard;
1094 $av = eval { (Storable::thaw $av)->{objs} }; 1193 my $st = eval { Coro::Storable::thaw $av };
1194 $av = $st->{objs};
1095 } 1195 }
1096 1196
1097 utf8::decode (my $decname = $filename); 1197 utf8::decode (my $decname = $filename);
1098 warn sprintf "loading %s (%d,%d)\n", 1198 warn sprintf "loading %s (%d,%d)\n",
1099 $decname, length $data, scalar @{$av || []}; 1199 $decname, length $data, scalar @{$av || []};
1255 my $msg = $@ ? "$v->{path}: $@\n" 1355 my $msg = $@ ? "$v->{path}: $@\n"
1256 : "$v->{base}: extension inactive.\n"; 1356 : "$v->{base}: extension inactive.\n";
1257 1357
1258 if (exists $v->{meta}{mandatory}) { 1358 if (exists $v->{meta}{mandatory}) {
1259 warn $msg; 1359 warn $msg;
1260 warn "mandatory extension failed to load, exiting.\n"; 1360 cf::cleanup "mandatory extension failed to load, exiting.";
1261 exit 1;
1262 } 1361 }
1263 1362
1264 warn $msg; 1363 warn $msg;
1265 } 1364 }
1266 1365
1514 1613
1515Expand crossfire pod fragments into protocol xml. 1614Expand crossfire pod fragments into protocol xml.
1516 1615
1517=cut 1616=cut
1518 1617
1618use re 'eval';
1619
1620my $group;
1621my $interior; $interior = qr{
1622 # match a pod interior sequence sans C<< >>
1623 (?:
1624 \ (.*?)\ (?{ $group = $^N })
1625 | < (??{$interior}) >
1626 )
1627}x;
1628
1519sub expand_cfpod { 1629sub expand_cfpod {
1520 ((my $self), (local $_)) = @_; 1630 my ($self, $pod) = @_;
1521 1631
1522 # escape & and < 1632 my $xml;
1523 s/&/&amp;/g;
1524 s/(?<![BIUGHT])</&lt;/g;
1525 1633
1526 # this is buggy, it needs to properly take care of nested <'s 1634 while () {
1635 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1636 $group = $1;
1527 1637
1528 1 while 1638 $group =~ s/&/&amp;/g;
1529 # replace B<>, I<>, U<> etc. 1639 $group =~ s/</&lt;/g;
1530 s/B<([^\>]*)>/<b>$1<\/b>/ 1640
1531 || s/I<([^\>]*)>/<i>$1<\/i>/ 1641 $xml .= $group;
1532 || s/U<([^\>]*)>/<u>$1<\/u>/ 1642 } elsif ($pod =~ m%\G
1533 || s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/ 1643 ([BCGHITU])
1534 # replace G<male|female> tags 1644 <
1535 || s{G<([^>|]*)\|([^>]*)>}{ 1645 (?:
1536 $self->gender ? $2 : $1 1646 ([^<>]*) (?{ $group = $^N })
1537 }ge 1647 | < $interior >
1538 # replace H<hint text> 1648 )
1539 || s{H<([^\>]*)>} 1649 >
1650 %gcsx
1540 { 1651 ) {
1652 my ($code, $data) = ($1, $group);
1653
1654 if ($code eq "B") {
1655 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1656 } elsif ($code eq "I") {
1657 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1658 } elsif ($code eq "U") {
1659 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1660 } elsif ($code eq "C") {
1661 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1662 } elsif ($code eq "T") {
1663 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1664 } elsif ($code eq "G") {
1665 my ($male, $female) = split /\|/, $data;
1666 $data = $self->gender ? $female : $male;
1667 $xml .= expand_cfpod ($self, $data);
1668 } elsif ($code eq "H") {
1541 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>", 1669 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1542 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>", 1670 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1543 "") 1671 "")
1544 [$self->{hintmode}] 1672 [$self->{hintmode}];
1673 } else {
1674 $xml .= "error processing '$code($data)' directive";
1545 }ge; 1675 }
1676 } else {
1677 if ($pod =~ /\G(.+)/) {
1678 warn "parse error while expanding $pod (at $1)";
1679 }
1680 last;
1681 }
1682 }
1546 1683
1684 for ($xml) {
1547 # create single paragraphs (very hackish) 1685 # create single paragraphs (very hackish)
1548 s/(?<=\S)\n(?=\w)/ /g; 1686 s/(?<=\S)\n(?=\w)/ /g;
1549 1687
1550 # compress some whitespace 1688 # compress some whitespace
1551 s/\s+\n/\n/g; # ws line-ends 1689 s/\s+\n/\n/g; # ws line-ends
1552 s/\n\n+/\n/g; # double lines 1690 s/\n\n+/\n/g; # double lines
1553 s/^\n+//; # beginning lines 1691 s/^\n+//; # beginning lines
1554 s/\n+$//; # ending lines 1692 s/\n+$//; # ending lines
1693 }
1555 1694
1556 $_ 1695 $xml
1557} 1696}
1697
1698no re 'eval';
1558 1699
1559sub hintmode { 1700sub hintmode {
1560 $_[0]{hintmode} = $_[1] if @_ > 1; 1701 $_[0]{hintmode} = $_[1] if @_ > 1;
1561 $_[0]{hintmode} 1702 $_[0]{hintmode}
1562} 1703}
2043 } 2184 }
2044 2185
2045 $MAP_PREFETCH{$path} |= $load; 2186 $MAP_PREFETCH{$path} |= $load;
2046 2187
2047 $MAP_PREFETCHER ||= cf::async { 2188 $MAP_PREFETCHER ||= cf::async {
2189 $Coro::current->{desc} = "map prefetcher";
2190
2048 while (%MAP_PREFETCH) { 2191 while (%MAP_PREFETCH) {
2049 while (my ($k, $v) = each %MAP_PREFETCH) { 2192 while (my ($k, $v) = each %MAP_PREFETCH) {
2050 if (my $map = find $k) { 2193 if (my $map = find $k) {
2051 $map->load if $v; 2194 $map->load if $v;
2052 } 2195 }
2078 return if $self->{deny_save}; 2221 return if $self->{deny_save};
2079 2222
2080 local $self->{last_access} = $self->last_access;#d# 2223 local $self->{last_access} = $self->last_access;#d#
2081 2224
2082 cf::async { 2225 cf::async {
2226 $Coro::current->{desc} = "map player save";
2083 $_->contr->save for $self->players; 2227 $_->contr->save for $self->players;
2084 }; 2228 };
2085 2229
2086 if ($uniq) { 2230 if ($uniq) {
2087 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2231 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2233 : () 2377 : ()
2234 } @{ aio_readdir $UNIQUEDIR or [] } 2378 } @{ aio_readdir $UNIQUEDIR or [] }
2235 ] 2379 ]
2236} 2380}
2237 2381
2238package cf;
2239
2240=back 2382=back
2241 2383
2242=head3 cf::object 2384=head3 cf::object
2243 2385
2244=cut 2386=cut
2274=cut 2416=cut
2275 2417
2276sub deref { 2418sub deref {
2277 my ($ref) = @_; 2419 my ($ref) = @_;
2278 2420
2279 # temporary compatibility#TODO#remove
2280 $ref =~ s{^<}{player/<};
2281
2282 if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) { 2421 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2283 my ($uuid, $name) = ($1, $2); 2422 my ($uuid, $name) = ($1, $2);
2284 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name 2423 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2285 or return; 2424 or return;
2286 $pl->ob->uuid eq $uuid 2425 $pl->ob->uuid eq $uuid
2287 or return; 2426 or return;
2458 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2597 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2459 2598
2460 $self->enter_link; 2599 $self->enter_link;
2461 2600
2462 (async { 2601 (async {
2602 $Coro::current->{desc} = "player::goto $path $x $y";
2603
2463 # *tag paths override both path and x|y 2604 # *tag paths override both path and x|y
2464 if ($path =~ /^\*(.*)$/) { 2605 if ($path =~ /^\*(.*)$/) {
2465 if (my @obs = grep $_->map, ext::map_tags::find $1) { 2606 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2466 my $ob = $obs[rand @obs]; 2607 my $ob = $obs[rand @obs];
2467 2608
2547 $rmp->{origin_y} = $exit->y; 2688 $rmp->{origin_y} = $exit->y;
2548 } 2689 }
2549 2690
2550 $rmp->{random_seed} ||= $exit->random_seed; 2691 $rmp->{random_seed} ||= $exit->random_seed;
2551 2692
2552 my $data = cf::to_json $rmp; 2693 my $data = cf::encode_json $rmp;
2553 my $md5 = Digest::MD5::md5_hex $data; 2694 my $md5 = Digest::MD5::md5_hex $data;
2554 my $meta = "$RANDOMDIR/$md5.meta"; 2695 my $meta = "$RANDOMDIR/$md5.meta";
2555 2696
2556 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2697 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2557 aio_write $fh, 0, (length $data), $data, 0; 2698 aio_write $fh, 0, (length $data), $data, 0;
2584 # if exit is damned, update players death & WoR home-position 2725 # if exit is damned, update players death & WoR home-position
2585 $self->contr->savebed ($slaying, $hp, $sp) 2726 $self->contr->savebed ($slaying, $hp, $sp)
2586 if $exit->flag (FLAG_DAMNED); 2727 if $exit->flag (FLAG_DAMNED);
2587 2728
2588 (async { 2729 (async {
2730 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2731
2589 $self->deactivate_recursive; # just to be sure 2732 $self->deactivate_recursive; # just to be sure
2590 unless (eval { 2733 unless (eval {
2591 $self->goto ($slaying, $hp, $sp); 2734 $self->goto ($slaying, $hp, $sp);
2592 2735
2593 1; 2736 1;
2628the 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
2629the message unless the client supports the msg packet. 2772the message unless the client supports the msg packet.
2630 2773
2631=cut 2774=cut
2632 2775
2776# non-persistent channels (usually the info channel)
2633our %CHANNEL = ( 2777our %CHANNEL = (
2634 "c/identify" => { 2778 "c/identify" => {
2635 id => "identify", 2779 id => "infobox",
2636 title => "Identify", 2780 title => "Identify",
2637 reply => undef, 2781 reply => undef,
2638 tooltip => "Items recently identified", 2782 tooltip => "Items recently identified",
2639 }, 2783 },
2640 "c/examine" => { 2784 "c/examine" => {
2641 id => "examine", 2785 id => "infobox",
2642 title => "Examine", 2786 title => "Examine",
2643 reply => undef, 2787 reply => undef,
2644 tooltip => "Signs and other items you examined", 2788 tooltip => "Signs and other items you examined",
2645 }, 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 },
2646); 2826);
2647 2827
2648sub cf::client::send_msg { 2828sub cf::client::send_msg {
2649 my ($self, $channel, $msg, $color, @extra) = @_; 2829 my ($self, $channel, $msg, $color, @extra) = @_;
2650 2830
2651 $msg = $self->pl->expand_cfpod ($msg); 2831 $msg = $self->pl->expand_cfpod ($msg);
2652 2832
2653 $color &= cf::NDI_CLIENT_MASK; # just in case... 2833 $color &= cf::NDI_CLIENT_MASK; # just in case...
2654 2834
2655 # check predefined channels, for the benefit of C 2835 # check predefined channels, for the benefit of C
2656 $channel = $CHANNEL{$channel} if $CHANNEL{$channel}; 2836 if ($CHANNEL{$channel}) {
2837 $channel = $CHANNEL{$channel};
2657 2838
2839 $self->ext_msg (channel_info => $channel)
2840 if $self->can_msg;
2841
2842 $channel = $channel->{id};
2843
2658 if (ref $channel) { 2844 } elsif (ref $channel) {
2659 # send meta info to client, if not yet sent 2845 # send meta info to client, if not yet sent
2660 unless (exists $self->{channel}{$channel->{id}}) { 2846 unless (exists $self->{channel}{$channel->{id}}) {
2661 $self->{channel}{$channel->{id}} = $channel; 2847 $self->{channel}{$channel->{id}} = $channel;
2662 $self->ext_msg (channel_info => $channel) 2848 $self->ext_msg (channel_info => $channel)
2663 if $self->can_msg; 2849 if $self->can_msg;
2880=pod 3066=pod
2881 3067
2882The following functions and methods are available within a safe environment: 3068The following functions and methods are available within a safe environment:
2883 3069
2884 cf::object 3070 cf::object
2885 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
2886 insert remove name archname title slaying race decrease_ob_nr 3072 insert remove name archname title slaying race decrease_ob_nr
2887 3073
2888 cf::object::player 3074 cf::object::player
2889 player 3075 player
2890 3076
2897=cut 3083=cut
2898 3084
2899for ( 3085for (
2900 ["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
2901 insert remove inv name archname title slaying race 3087 insert remove inv name archname title slaying race
2902 decrease_ob_nr)], 3088 decrease_ob_nr destroy)],
2903 ["cf::object::player" => qw(player)], 3089 ["cf::object::player" => qw(player)],
2904 ["cf::player" => qw(peaceful)], 3090 ["cf::player" => qw(peaceful)],
2905 ["cf::map" => qw(trigger)], 3091 ["cf::map" => qw(trigger)],
2906) { 3092) {
2907 no strict 'refs'; 3093 no strict 'refs';
3012 { 3198 {
3013 my $faces = $facedata->{faceinfo}; 3199 my $faces = $facedata->{faceinfo};
3014 3200
3015 while (my ($face, $info) = each %$faces) { 3201 while (my ($face, $info) = each %$faces) {
3016 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3202 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3203
3017 cf::face::set_visibility $idx, $info->{visibility}; 3204 cf::face::set_visibility $idx, $info->{visibility};
3018 cf::face::set_magicmap $idx, $info->{magicmap}; 3205 cf::face::set_magicmap $idx, $info->{magicmap};
3019 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};
3020 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};
3021 3208
3022 cf::cede_to_tick; 3209 cf::cede_to_tick;
3023 } 3210 }
3024 3211
3025 while (my ($face, $info) = each %$faces) { 3212 while (my ($face, $info) = each %$faces) {
3026 next unless $info->{smooth}; 3213 next unless $info->{smooth};
3214
3027 my $idx = cf::face::find $face 3215 my $idx = cf::face::find $face
3028 or next; 3216 or next;
3217
3029 if (my $smooth = cf::face::find $info->{smooth}) { 3218 if (my $smooth = cf::face::find $info->{smooth}) {
3030 cf::face::set_smooth $idx, $smooth; 3219 cf::face::set_smooth $idx, $smooth;
3031 cf::face::set_smoothlevel $idx, $info->{smoothlevel}; 3220 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3032 } else { 3221 } else {
3033 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3222 warn "smooth face '$info->{smooth}' not found for face '$face'";
3051 { 3240 {
3052 # TODO: for gcfclient pleasure, we should give resources 3241 # TODO: for gcfclient pleasure, we should give resources
3053 # that gcfclient doesn't grok a >10000 face index. 3242 # that gcfclient doesn't grok a >10000 face index.
3054 my $res = $facedata->{resource}; 3243 my $res = $facedata->{resource};
3055 3244
3056 my $soundconf = delete $res->{"res/sound.conf"};
3057
3058 while (my ($name, $info) = each %$res) { 3245 while (my ($name, $info) = each %$res) {
3246 if (defined $info->{type}) {
3059 my $idx = (cf::face::find $name) || cf::face::alloc $name; 3247 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3060 my $data; 3248 my $data;
3061 3249
3062 if ($info->{type} & 1) { 3250 if ($info->{type} & 1) {
3063 # prepend meta info 3251 # prepend meta info
3064 3252
3065 my $meta = $enc->encode ({ 3253 my $meta = $enc->encode ({
3066 name => $name, 3254 name => $name,
3067 %{ $info->{meta} || {} }, 3255 %{ $info->{meta} || {} },
3068 }); 3256 });
3069 3257
3070 $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};
3071 } else { 3265 } else {
3072 $data = $info->{data}; 3266 $RESOURCE{$name} = $info;
3073 } 3267 }
3074 3268
3075 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3076 cf::face::set_type $idx, $info->{type};
3077
3078 cf::cede_to_tick; 3269 cf::cede_to_tick;
3079 } 3270 }
3080
3081 if ($soundconf) {
3082 $soundconf = $enc->decode (delete $soundconf->{data});
3083
3084 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3085 my $sound = $soundconf->{compat}[$_]
3086 or next;
3087
3088 my $face = cf::face::find "sound/$sound->[1]";
3089 cf::sound::set $sound->[0] => $face;
3090 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3091 }
3092
3093 while (my ($k, $v) = each %{$soundconf->{event}}) {
3094 my $face = cf::face::find "sound/$v";
3095 cf::sound::set $k => $face;
3096 }
3097 }
3098 } 3271 }
3272
3273 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3099 3274
3100 1 3275 1
3101} 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});
3102 3297
3103register_exticmd fx_want => sub { 3298register_exticmd fx_want => sub {
3104 my ($ns, $want) = @_; 3299 my ($ns, $want) = @_;
3105 3300
3106 while (my ($k, $v) = each %$want) { 3301 while (my ($k, $v) = each %$want) {
3161sub reload_config { 3356sub reload_config {
3162 open my $fh, "<:utf8", "$CONFDIR/config" 3357 open my $fh, "<:utf8", "$CONFDIR/config"
3163 or return; 3358 or return;
3164 3359
3165 local $/; 3360 local $/;
3166 *CFG = YAML::Syck::Load <$fh>; 3361 *CFG = YAML::Load <$fh>;
3167 3362
3168 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3363 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3169 3364
3170 $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};
3171 $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};
3182sub main { 3377sub main {
3183 # we must not ever block the main coroutine 3378 # we must not ever block the main coroutine
3184 local $Coro::idle = sub { 3379 local $Coro::idle = sub {
3185 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#
3186 (async { 3381 (async {
3187 Event::one_event; 3382 $Coro::current->{desc} = "IDLE BUG HANDLER";
3383 EV::loop EV::LOOP_ONESHOT;
3188 })->prio (Coro::PRIO_MAX); 3384 })->prio (Coro::PRIO_MAX);
3189 }; 3385 };
3190 3386
3191 reload_config; 3387 reload_config;
3192 db_init; 3388 db_init;
3193 load_extensions; 3389 load_extensions;
3194 3390
3195 $TICK_WATCHER->start; 3391 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3392 evthread_start IO::AIO::poll_fileno;
3196 Event::loop; 3393 EV::loop;
3197} 3394}
3198 3395
3199############################################################################# 3396#############################################################################
3200# initialisation and cleanup 3397# initialisation and cleanup
3201 3398
3202# install some emergency cleanup handlers 3399# install some emergency cleanup handlers
3203BEGIN { 3400BEGIN {
3401 our %SIGWATCHER = ();
3204 for my $signal (qw(INT HUP TERM)) { 3402 for my $signal (qw(INT HUP TERM)) {
3205 Event->signal ( 3403 $SIGWATCHER{$signal} = EV::signal $signal, sub {
3206 reentrant => 0,
3207 data => WF_AUTOCANCEL,
3208 signal => $signal,
3209 prio => 0,
3210 cb => sub {
3211 cf::cleanup "SIG$signal"; 3404 cf::cleanup "SIG$signal";
3212 },
3213 ); 3405 };
3214 } 3406 }
3215} 3407}
3216 3408
3217sub write_runtime { 3409sub write_runtime {
3218 my $runtime = "$LOCALDIR/runtime"; 3410 my $runtime = "$LOCALDIR/runtime";
3263 # and maps saved/destroyed asynchronously. 3455 # and maps saved/destroyed asynchronously.
3264 warn "begin emergency player save\n"; 3456 warn "begin emergency player save\n";
3265 for my $login (keys %cf::PLAYER) { 3457 for my $login (keys %cf::PLAYER) {
3266 my $pl = $cf::PLAYER{$login} or next; 3458 my $pl = $cf::PLAYER{$login} or next;
3267 $pl->valid or next; 3459 $pl->valid or next;
3460 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3268 $pl->save; 3461 $pl->save;
3269 } 3462 }
3270 warn "end emergency player save\n"; 3463 warn "end emergency player save\n";
3271 3464
3272 warn "begin emergency map save\n"; 3465 warn "begin emergency map save\n";
3311 warn "syncing database to disk"; 3504 warn "syncing database to disk";
3312 BDB::db_env_txn_checkpoint $DB_ENV; 3505 BDB::db_env_txn_checkpoint $DB_ENV;
3313 3506
3314 # if anything goes wrong in here, we should simply crash as we already saved 3507 # if anything goes wrong in here, we should simply crash as we already saved
3315 3508
3316 warn "cancelling all WF_AUTOCANCEL watchers";
3317 for (Event::all_watchers) {
3318 $_->cancel if $_->data & WF_AUTOCANCEL;
3319 }
3320
3321 warn "flushing outstanding aio requests"; 3509 warn "flushing outstanding aio requests";
3322 for (;;) { 3510 for (;;) {
3323 BDB::flush; 3511 BDB::flush;
3324 IO::AIO::flush; 3512 IO::AIO::flush;
3325 Coro::cede; 3513 Coro::cede_notself;
3326 last unless IO::AIO::nreqs || BDB::nreqs; 3514 last unless IO::AIO::nreqs || BDB::nreqs;
3327 warn "iterate..."; 3515 warn "iterate...";
3328 } 3516 }
3329 3517
3330 ++$RELOAD; 3518 ++$RELOAD;
3406 warn "leaving sync_job"; 3594 warn "leaving sync_job";
3407 3595
3408 1 3596 1
3409 } or do { 3597 } or do {
3410 warn $@; 3598 warn $@;
3411 warn "error while reloading, exiting."; 3599 cf::cleanup "error while reloading, exiting.";
3412 exit 1;
3413 }; 3600 };
3414 3601
3415 warn "reloaded"; 3602 warn "reloaded";
3416}; 3603};
3417 3604
3419 3606
3420sub reload_perl() { 3607sub reload_perl() {
3421 # doing reload synchronously and two reloads happen back-to-back, 3608 # doing reload synchronously and two reloads happen back-to-back,
3422 # coro crashes during coro_state_free->destroy here. 3609 # coro crashes during coro_state_free->destroy here.
3423 3610
3424 $RELOAD_WATCHER ||= Event->timer ( 3611 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3425 reentrant => 0,
3426 after => 0,
3427 data => WF_AUTOCANCEL,
3428 cb => sub {
3429 do_reload_perl; 3612 do_reload_perl;
3430 undef $RELOAD_WATCHER; 3613 undef $RELOAD_WATCHER;
3431 },
3432 ); 3614 };
3433} 3615}
3434 3616
3435register_command "reload" => sub { 3617register_command "reload" => sub {
3436 my ($who, $arg) = @_; 3618 my ($who, $arg) = @_;
3437 3619
3438 if ($who->flag (FLAG_WIZ)) { 3620 if ($who->flag (FLAG_WIZ)) {
3439 $who->message ("reloading server."); 3621 $who->message ("reloading server.");
3622 async {
3623 $Coro::current->{desc} = "perl_reload";
3440 async { reload_perl }; 3624 reload_perl;
3625 };
3441 } 3626 }
3442}; 3627};
3443 3628
3444unshift @INC, $LIBDIR; 3629unshift @INC, $LIBDIR;
3445 3630
3447 3632
3448our @WAIT_FOR_TICK; 3633our @WAIT_FOR_TICK;
3449our @WAIT_FOR_TICK_BEGIN; 3634our @WAIT_FOR_TICK_BEGIN;
3450 3635
3451sub wait_for_tick { 3636sub wait_for_tick {
3452 return unless $TICK_WATCHER->is_active; 3637 return if tick_inhibit;
3453 return if $Coro::current == $Coro::main; 3638 return if $Coro::current == $Coro::main;
3454 3639
3455 my $signal = new Coro::Signal; 3640 my $signal = new Coro::Signal;
3456 push @WAIT_FOR_TICK, $signal; 3641 push @WAIT_FOR_TICK, $signal;
3457 $signal->wait; 3642 $signal->wait;
3458} 3643}
3459 3644
3460sub wait_for_tick_begin { 3645sub wait_for_tick_begin {
3461 return unless $TICK_WATCHER->is_active; 3646 return if tick_inhibit;
3462 return if $Coro::current == $Coro::main; 3647 return if $Coro::current == $Coro::main;
3463 3648
3464 my $signal = new Coro::Signal; 3649 my $signal = new Coro::Signal;
3465 push @WAIT_FOR_TICK_BEGIN, $signal; 3650 push @WAIT_FOR_TICK_BEGIN, $signal;
3466 $signal->wait; 3651 $signal->wait;
3467} 3652}
3468 3653
3469$TICK_WATCHER = Event->timer ( 3654sub tick {
3470 reentrant => 0,
3471 parked => 1,
3472 prio => 0,
3473 at => $NEXT_TICK || $TICK,
3474 data => WF_AUTOCANCEL,
3475 cb => sub {
3476 if ($Coro::current != $Coro::main) { 3655 if ($Coro::current != $Coro::main) {
3477 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3656 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3478 unless ++$bug_warning > 10; 3657 unless ++$bug_warning > 10;
3479 return; 3658 return;
3480 } 3659 }
3481 3660
3482 $NOW = $tick_start = Event::time;
3483
3484 cf::server_tick; # one server iteration 3661 cf::server_tick; # one server iteration
3485 3662
3486 $RUNTIME += $TICK;
3487 $NEXT_TICK += $TICK;
3488
3489 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3663 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3490 $NEXT_RUNTIME_WRITE = $NOW + 10; 3664 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3491 Coro::async_pool { 3665 Coro::async_pool {
3666 $Coro::current->{desc} = "runtime saver";
3492 write_runtime 3667 write_runtime
3493 or warn "ERROR: unable to write runtime file: $!"; 3668 or warn "ERROR: unable to write runtime file: $!";
3494 };
3495 } 3669 };
3670 }
3496 3671
3497 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3672 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3498 $sig->send; 3673 $sig->send;
3499 } 3674 }
3500 while (my $sig = shift @WAIT_FOR_TICK) { 3675 while (my $sig = shift @WAIT_FOR_TICK) {
3501 $sig->send; 3676 $sig->send;
3502 } 3677 }
3503 3678
3504 $NOW = Event::time; 3679 $LOAD = ($NOW - $TICK_START) / $TICK;
3505
3506 # if we are delayed by four ticks or more, skip them all
3507 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3508
3509 $TICK_WATCHER->at ($NEXT_TICK);
3510 $TICK_WATCHER->start;
3511
3512 $LOAD = ($NOW - $tick_start) / $TICK;
3513 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3680 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3514 3681
3515 _post_tick; 3682 if (0) {
3683 if ($NEXT_TICK) {
3684 my $jitter = $TICK_START - $NEXT_TICK;
3685 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3686 warn "jitter $JITTER\n";#d#
3687 }
3516 }, 3688 }
3517); 3689}
3518 3690
3519{ 3691{
3692 # configure BDB
3693
3520 BDB::min_parallel 8; 3694 BDB::min_parallel 8;
3521 BDB::max_poll_time $TICK * 0.1; 3695 BDB::max_poll_reqs $TICK * 0.1;
3522 $BDB_POLL_WATCHER = Event->io ( 3696 $Coro::BDB::WATCHER->priority (1);
3523 reentrant => 0,
3524 fd => BDB::poll_fileno,
3525 poll => 'r',
3526 prio => 0,
3527 data => WF_AUTOCANCEL,
3528 cb => \&BDB::poll_cb,
3529 );
3530
3531 BDB::set_sync_prepare {
3532 my $status;
3533 my $current = $Coro::current;
3534 (
3535 sub {
3536 $status = $!;
3537 $current->ready; undef $current;
3538 },
3539 sub {
3540 Coro::schedule while defined $current;
3541 $! = $status;
3542 },
3543 )
3544 };
3545 3697
3546 unless ($DB_ENV) { 3698 unless ($DB_ENV) {
3547 $DB_ENV = BDB::db_env_create; 3699 $DB_ENV = BDB::db_env_create;
3548 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC 3700 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3549 | BDB::LOG_AUTOREMOVE, 1); 3701 | BDB::LOG_AUTOREMOVE, 1);
3564 3716
3565 cf::cleanup "db_env_open(db): $@" if $@; 3717 cf::cleanup "db_env_open(db): $@" if $@;
3566 }; 3718 };
3567 } 3719 }
3568 3720
3569 $BDB_DEADLOCK_WATCHER = Event->timer ( 3721 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3570 after => 3,
3571 interval => 1,
3572 hard => 1,
3573 prio => 0,
3574 data => WF_AUTOCANCEL,
3575 cb => sub {
3576 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { }; 3722 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3577 },
3578 ); 3723 };
3579 $BDB_CHECKPOINT_WATCHER = Event->timer ( 3724 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3580 after => 11,
3581 interval => 60,
3582 hard => 1,
3583 prio => 0,
3584 data => WF_AUTOCANCEL,
3585 cb => sub {
3586 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { }; 3725 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3587 },
3588 ); 3726 };
3589 $BDB_TRICKLE_WATCHER = Event->timer ( 3727 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3590 after => 5,
3591 interval => 10,
3592 hard => 1,
3593 prio => 0,
3594 data => WF_AUTOCANCEL,
3595 cb => sub {
3596 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { }; 3728 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3597 },
3598 ); 3729 };
3599} 3730}
3600 3731
3601{ 3732{
3733 # configure IO::AIO
3734
3602 IO::AIO::min_parallel 8; 3735 IO::AIO::min_parallel 8;
3603
3604 undef $Coro::AIO::WATCHER;
3605 IO::AIO::max_poll_time $TICK * 0.1; 3736 IO::AIO::max_poll_time $TICK * 0.1;
3606 $AIO_POLL_WATCHER = Event->io ( 3737 $Coro::AIO::WATCHER->priority (1);
3607 reentrant => 0,
3608 data => WF_AUTOCANCEL,
3609 fd => IO::AIO::poll_fileno,
3610 poll => 'r',
3611 prio => 6,
3612 cb => \&IO::AIO::poll_cb,
3613 );
3614} 3738}
3615 3739
3616my $_log_backtrace; 3740my $_log_backtrace;
3617 3741
3618sub _log_backtrace { 3742sub _log_backtrace {
3622 3746
3623 # limit the # of concurrent backtraces 3747 # limit the # of concurrent backtraces
3624 if ($_log_backtrace < 2) { 3748 if ($_log_backtrace < 2) {
3625 ++$_log_backtrace; 3749 ++$_log_backtrace;
3626 async { 3750 async {
3751 $Coro::current->{desc} = "abt $msg";
3752
3627 my @bt = fork_call { 3753 my @bt = fork_call {
3628 @addr = map { sprintf "%x", $_ } @addr; 3754 @addr = map { sprintf "%x", $_ } @addr;
3629 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3755 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3630 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3756 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3631 or die "addr2line: $!"; 3757 or die "addr2line: $!";

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