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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.405 by root, Mon Dec 17 08:03:22 2007 UTC vs.
Revision 1.470 by root, Sun Apr 26 19:42:45 2009 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
24use 5.10.0;
3use utf8; 25use utf8;
4use strict; 26use strict qw(vars subs);
5 27
6use Symbol; 28use Symbol;
7use List::Util; 29use List::Util;
8use Socket; 30use Socket;
9use EV 1.86; 31use EV;
10use Opcode; 32use Opcode;
11use Safe; 33use Safe;
12use Safe::Hole; 34use Safe::Hole;
13use Storable (); 35use Storable ();
14 36
37use Guard ();
15use Coro 4.32 (); 38use Coro ();
16use Coro::State; 39use Coro::State;
17use Coro::Handle; 40use Coro::Handle;
18use Coro::EV; 41use Coro::EV;
42use Coro::AnyEvent;
19use Coro::Timer; 43use Coro::Timer;
20use Coro::Signal; 44use Coro::Signal;
21use Coro::Semaphore; 45use Coro::Semaphore;
46use Coro::SemaphoreSet;
47use Coro::AnyEvent;
22use Coro::AIO; 48use Coro::AIO;
23use Coro::BDB; 49use Coro::BDB 1.6;
24use Coro::Storable; 50use Coro::Storable;
25use Coro::Util (); 51use Coro::Util ();
26 52
27use JSON::XS 2.01 (); 53use JSON::XS 2.01 ();
28use BDB (); 54use BDB ();
29use Data::Dumper; 55use Data::Dumper;
30use Digest::MD5; 56use Digest::MD5;
31use Fcntl; 57use Fcntl;
32use YAML::Syck (); 58use YAML ();
33use IO::AIO 2.51 (); 59use IO::AIO ();
34use Time::HiRes; 60use Time::HiRes;
35use Compress::LZF; 61use Compress::LZF;
36use Digest::MD5 (); 62use Digest::MD5 ();
63
64AnyEvent::detect;
37 65
38# configure various modules to our taste 66# configure various modules to our taste
39# 67#
40$Storable::canonical = 1; # reduce rsync transfers 68$Storable::canonical = 1; # reduce rsync transfers
41Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 69Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
70
71$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
72
73# make sure c-lzf reinitialises itself
74Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
42Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 75Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
43
44# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45$YAML::Syck::ImplicitUnicode = 1;
46
47$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48 76
49sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 77sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50 78
51our %COMMAND = (); 79our %COMMAND = ();
52our %COMMAND_TIME = (); 80our %COMMAND_TIME = ();
55our %EXTCMD = (); 83our %EXTCMD = ();
56our %EXTICMD = (); 84our %EXTICMD = ();
57our %EXT_CORO = (); # coroutines bound to extensions 85our %EXT_CORO = (); # coroutines bound to extensions
58our %EXT_MAP = (); # pluggable maps 86our %EXT_MAP = (); # pluggable maps
59 87
60our $RELOAD; # number of reloads so far 88our $RELOAD; # number of reloads so far, non-zero while in reload
61our @EVENT; 89our @EVENT;
62 90
63our $CONFDIR = confdir; 91our $CONFDIR = confdir;
64our $DATADIR = datadir; 92our $DATADIR = datadir;
65our $LIBDIR = "$DATADIR/ext"; 93our $LIBDIR = "$DATADIR/ext";
66our $PODDIR = "$DATADIR/pod"; 94our $PODDIR = "$DATADIR/pod";
67our $MAPDIR = "$DATADIR/" . mapdir; 95our $MAPDIR = "$DATADIR/" . mapdir;
68our $LOCALDIR = localdir; 96our $LOCALDIR = localdir;
69our $TMPDIR = "$LOCALDIR/" . tmpdir; 97our $TMPDIR = "$LOCALDIR/" . tmpdir;
70our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 98our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71our $PLAYERDIR = "$LOCALDIR/" . playerdir; 99our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72our $RANDOMDIR = "$LOCALDIR/random"; 100our $RANDOMDIR = "$LOCALDIR/random";
73our $BDBDIR = "$LOCALDIR/db"; 101our $BDBDIR = "$LOCALDIR/db";
102our $PIDFILE = "$LOCALDIR/pid";
103our $RUNTIMEFILE = "$LOCALDIR/runtime";
104
74our %RESOURCE; 105our %RESOURCE;
75 106
76our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 107our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77our $TICK_WATCHER;
78our $AIO_POLL_WATCHER;
79our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 108our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80our $NEXT_TICK; 109our $NEXT_TICK;
81our $USE_FSYNC = 1; # use fsync to write maps - default off 110our $USE_FSYNC = 1; # use fsync to write maps - default on
82 111
83our $BDB_POLL_WATCHER;
84our $BDB_DEADLOCK_WATCHER; 112our $BDB_DEADLOCK_WATCHER;
85our $BDB_CHECKPOINT_WATCHER; 113our $BDB_CHECKPOINT_WATCHER;
86our $BDB_TRICKLE_WATCHER; 114our $BDB_TRICKLE_WATCHER;
87our $DB_ENV; 115our $DB_ENV;
88 116
117our @EXTRA_MODULES = qw(pod mapscript);
118
89our %CFG; 119our %CFG;
90 120
91our $UPTIME; $UPTIME ||= time; 121our $UPTIME; $UPTIME ||= time;
92our $RUNTIME; 122our $RUNTIME;
93our $NOW; 123our $NOW;
99# used to convert map paths into valid unix filenames by replacing / by ∕ 129# used to convert map paths into valid unix filenames by replacing / by ∕
100our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 130our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101 131
102our $LOAD; # a number between 0 (idle) and 1 (too many objects) 132our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103our $LOADAVG; # same thing, but with alpha-smoothing 133our $LOADAVG; # same thing, but with alpha-smoothing
134our $JITTER; # average jitter
104our $tick_start; # for load detecting purposes 135our $TICK_START; # for load detecting purposes
136
137our @POST_INIT;
138
139our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
105 140
106binmode STDOUT; 141binmode STDOUT;
107binmode STDERR; 142binmode STDERR;
108 143
109# read virtual server time, if available 144# read virtual server time, if available
110unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 145unless ($RUNTIME || !-e $RUNTIMEFILE) {
111 open my $fh, "<", "$LOCALDIR/runtime" 146 open my $fh, "<", $RUNTIMEFILE
112 or die "unable to read runtime file: $!"; 147 or die "unable to read $RUNTIMEFILE file: $!";
113 $RUNTIME = <$fh> + 0.; 148 $RUNTIME = <$fh> + 0.;
114} 149}
150
151eval "sub TICK() { $TICK } 1" or die;
115 152
116mkdir $_ 153mkdir $_
117 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 154 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
118 155
119our $EMERGENCY_POSITION; 156our $EMERGENCY_POSITION;
193 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 230 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194 231
195 LOG llevError, $msg; 232 LOG llevError, $msg;
196 }; 233 };
197} 234}
235
236$Coro::State::DIEHOOK = sub {
237 return unless $^S eq 0; # "eq", not "=="
238
239 if ($Coro::current == $Coro::main) {#d#
240 warn "DIEHOOK called in main context, Coro bug?\n";#d#
241 return;#d#
242 }#d#
243
244 # kill coroutine otherwise
245 warn Carp::longmess $_[0];
246 Coro::terminate
247};
248
249$SIG{__DIE__} = sub { }; #d#?
198 250
199@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 251@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 252@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 253@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 254@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
209for my $pkg (qw( 261for my $pkg (qw(
210 cf::global cf::attachable 262 cf::global cf::attachable
211 cf::object cf::object::player 263 cf::object cf::object::player
212 cf::client cf::player 264 cf::client cf::player
213 cf::arch cf::living 265 cf::arch cf::living
266 cf::map cf::mapspace
214 cf::map cf::party cf::region 267 cf::party cf::region
215)) { 268)) {
216 no strict 'refs';
217 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 269 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218} 270}
219 271
220$EV::DIED = sub { 272$EV::DIED = sub {
221 warn "error in event callback: @_"; 273 warn "error in event callback: @_";
263our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 315our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264 316
265sub encode_json($) { $json_coder->encode ($_[0]) } 317sub encode_json($) { $json_coder->encode ($_[0]) }
266sub decode_json($) { $json_coder->decode ($_[0]) } 318sub decode_json($) { $json_coder->decode ($_[0]) }
267 319
320=item cf::post_init { BLOCK }
321
322Execute the given codeblock, I<after> all extensions have been (re-)loaded,
323but I<before> the server starts ticking again.
324
325The cdoeblock will have a single boolean argument to indicate whether this
326is a reload or not.
327
328=cut
329
330sub post_init(&) {
331 push @POST_INIT, shift;
332}
333
268=item cf::lock_wait $string 334=item cf::lock_wait $string
269 335
270Wait until the given lock is available. See cf::lock_acquire. 336Wait until the given lock is available. See cf::lock_acquire.
271 337
272=item my $lock = cf::lock_acquire $string 338=item my $lock = cf::lock_acquire $string
273 339
274Wait until the given lock is available and then acquires it and returns 340Wait until the given lock is available and then acquires it and returns
275a Coro::guard object. If the guard object gets destroyed (goes out of scope, 341a L<Guard> object. If the guard object gets destroyed (goes out of scope,
276for example when the coroutine gets canceled), the lock is automatically 342for example when the coroutine gets canceled), the lock is automatically
277returned. 343returned.
278 344
279Locks are *not* recursive, locking from the same coro twice results in a 345Locks are *not* recursive, locking from the same coro twice results in a
280deadlocked coro. 346deadlocked coro.
286 352
287Return true if the lock is currently active, i.e. somebody has locked it. 353Return true if the lock is currently active, i.e. somebody has locked it.
288 354
289=cut 355=cut
290 356
291our %LOCK; 357our $LOCKS = new Coro::SemaphoreSet;
292our %LOCKER;#d#
293 358
294sub lock_wait($) { 359sub lock_wait($) {
295 my ($key) = @_; 360 $LOCKS->wait ($_[0]);
296
297 if ($LOCKER{$key} == $Coro::current) {#d#
298 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299 return;#d#
300 }#d#
301
302 # wait for lock, if any
303 while ($LOCK{$key}) {
304 push @{ $LOCK{$key} }, $Coro::current;
305 Coro::schedule;
306 }
307} 361}
308 362
309sub lock_acquire($) { 363sub lock_acquire($) {
310 my ($key) = @_; 364 $LOCKS->guard ($_[0])
311
312 # wait, to be sure we are not locked
313 lock_wait $key;
314
315 $LOCK{$key} = [];
316 $LOCKER{$key} = $Coro::current;#d#
317
318 Coro::guard {
319 delete $LOCKER{$key};#d#
320 # wake up all waiters, to be on the safe side
321 $_->ready for @{ delete $LOCK{$key} };
322 }
323} 365}
324 366
325sub lock_active($) { 367sub lock_active($) {
326 my ($key) = @_; 368 $LOCKS->count ($_[0]) < 1
327
328 ! ! $LOCK{$key}
329} 369}
330 370
331sub freeze_mainloop { 371sub freeze_mainloop {
332 return unless $TICK_WATCHER->is_active; 372 tick_inhibit_inc;
333 373
334 my $guard = Coro::guard { 374 &Guard::guard (\&tick_inhibit_dec);
335 $TICK_WATCHER->start;
336 };
337 $TICK_WATCHER->stop;
338 $guard
339} 375}
340 376
341=item cf::periodic $interval, $cb 377=item cf::periodic $interval, $cb
342 378
343Like EV::periodic, but randomly selects a starting point so that the actions 379Like EV::periodic, but randomly selects a starting point so that the actions
398 } 434 }
399 } 435 }
400}; 436};
401 437
402sub get_slot($;$$) { 438sub get_slot($;$$) {
439 return if tick_inhibit || $Coro::current == $Coro::main;
440
403 my ($time, $pri, $name) = @_; 441 my ($time, $pri, $name) = @_;
404 442
405 $time = $TICK * .6 if $time > $TICK * .6; 443 $time = $TICK * .6 if $time > $TICK * .6;
406 my $sig = new Coro::Signal; 444 my $sig = new Coro::Signal;
407 445
444 # this is the main coro, too bad, we have to block 482 # this is the main coro, too bad, we have to block
445 # till the operation succeeds, freezing the server :/ 483 # till the operation succeeds, freezing the server :/
446 484
447 LOG llevError, Carp::longmess "sync job";#d# 485 LOG llevError, Carp::longmess "sync job";#d#
448 486
449 # TODO: use suspend/resume instead
450 # (but this is cancel-safe)
451 my $freeze_guard = freeze_mainloop; 487 my $freeze_guard = freeze_mainloop;
452 488
453 my $busy = 1; 489 my $busy = 1;
454 my @res; 490 my @res;
455 491
466 } else { 502 } else {
467 EV::loop EV::LOOP_ONESHOT; 503 EV::loop EV::LOOP_ONESHOT;
468 } 504 }
469 } 505 }
470 506
471 $time = EV::time - $time; 507 my $time = EV::time - $time;
472 508
473 LOG llevError | logBacktrace, Carp::longmess "long sync job"
474 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
475
476 $tick_start += $time; # do not account sync jobs to server load 509 $TICK_START += $time; # do not account sync jobs to server load
477 510
478 wantarray ? @res : $res[0] 511 wantarray ? @res : $res[0]
479 } else { 512 } else {
480 # we are in another coroutine, how wonderful, everything just works 513 # we are in another coroutine, how wonderful, everything just works
481 514
523 reset_signals; 556 reset_signals;
524 &$cb 557 &$cb
525 }, @args; 558 }, @args;
526 559
527 wantarray ? @res : $res[-1] 560 wantarray ? @res : $res[-1]
561}
562
563=item $coin = coin_from_name $name
564
565=cut
566
567our %coin_alias = (
568 "silver" => "silvercoin",
569 "silvercoin" => "silvercoin",
570 "silvercoins" => "silvercoin",
571 "gold" => "goldcoin",
572 "goldcoin" => "goldcoin",
573 "goldcoins" => "goldcoin",
574 "platinum" => "platinacoin",
575 "platinumcoin" => "platinacoin",
576 "platinumcoins" => "platinacoin",
577 "platina" => "platinacoin",
578 "platinacoin" => "platinacoin",
579 "platinacoins" => "platinacoin",
580 "royalty" => "royalty",
581 "royalties" => "royalty",
582);
583
584sub coin_from_name($) {
585 $coin_alias{$_[0]}
586 ? cf::arch::find $coin_alias{$_[0]}
587 : undef
528} 588}
529 589
530=item $value = cf::db_get $family => $key 590=item $value = cf::db_get $family => $key
531 591
532Returns a single value from the environment database. 592Returns a single value from the environment database.
671 731
672############################################################################# 732#############################################################################
673 733
674=head2 ATTACHABLE OBJECTS 734=head2 ATTACHABLE OBJECTS
675 735
676Many objects in crossfire are so-called attachable objects. That means you can 736Many objects in deliantra are so-called attachable objects. That means you can
677attach callbacks/event handlers (a collection of which is called an "attachment") 737attach callbacks/event handlers (a collection of which is called an "attachment")
678to it. All such attachable objects support the following methods. 738to it. All such attachable objects support the following methods.
679 739
680In the following description, CLASS can be any of C<global>, C<object> 740In the following description, CLASS can be any of C<global>, C<object>
681C<player>, C<client> or C<map> (i.e. the attachable objects in 741C<player>, C<client> or C<map> (i.e. the attachable objects in
731=item cf::CLASS::attachment $name, ... 791=item cf::CLASS::attachment $name, ...
732 792
733Register an attachment by C<$name> through which attachable objects of the 793Register an attachment by C<$name> through which attachable objects of the
734given CLASS can refer to this attachment. 794given CLASS can refer to this attachment.
735 795
736Some classes such as crossfire maps and objects can specify attachments 796Some classes such as deliantra maps and objects can specify attachments
737that are attached at load/instantiate time, thus the need for a name. 797that are attached at load/instantiate time, thus the need for a name.
738 798
739These calls expect any number of the following handler/hook descriptions: 799These calls expect any number of the following handler/hook descriptions:
740 800
741=over 4 801=over 4
969 } 1029 }
970 1030
971 0 1031 0
972} 1032}
973 1033
974=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1034=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
975 1035
976=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1036=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
977 1037
978Generate an object-specific event with the given arguments. 1038Generate an object-specific event with the given arguments.
979 1039
1032 1092
1033sub reattach { 1093sub reattach {
1034 # basically do the same as instantiate, without calling instantiate 1094 # basically do the same as instantiate, without calling instantiate
1035 my ($obj) = @_; 1095 my ($obj) = @_;
1036 1096
1097 # no longer needed after getting rid of delete_package?
1037 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1098 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1038 1099
1039 my $registry = $obj->registry; 1100 my $registry = $obj->registry;
1040 1101
1041 @$registry = (); 1102 @$registry = ();
1042 1103
1088 utf8::decode (my $decname = $filename); 1149 utf8::decode (my $decname = $filename);
1089 warn sprintf "saving %s (%d,%d)\n", 1150 warn sprintf "saving %s (%d,%d)\n",
1090 $decname, length $$rdata, scalar @$objs; 1151 $decname, length $$rdata, scalar @$objs;
1091 1152
1092 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1153 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1093 chmod SAVE_MODE, $fh; 1154 aio_chmod $fh, SAVE_MODE;
1094 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1155 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1095 aio_fsync $fh if $cf::USE_FSYNC; 1156 aio_fsync $fh if $cf::USE_FSYNC;
1096 close $fh; 1157 aio_close $fh;
1097 1158
1098 if (@$objs) { 1159 if (@$objs) {
1099 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1160 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1100 chmod SAVE_MODE, $fh; 1161 aio_chmod $fh, SAVE_MODE;
1101 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs }; 1162 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1102 aio_write $fh, 0, (length $data), $data, 0; 1163 aio_write $fh, 0, (length $data), $data, 0;
1103 aio_fsync $fh if $cf::USE_FSYNC; 1164 aio_fsync $fh if $cf::USE_FSYNC;
1104 close $fh; 1165 aio_close $fh;
1105 aio_rename "$filename.pst~", "$filename.pst"; 1166 aio_rename "$filename.pst~", "$filename.pst";
1106 } 1167 }
1107 } else { 1168 } else {
1108 aio_unlink "$filename.pst"; 1169 aio_unlink "$filename.pst";
1109 } 1170 }
1110 1171
1111 aio_rename "$filename~", $filename; 1172 aio_rename "$filename~", $filename;
1173
1174 $filename =~ s%/[^/]+$%%;
1175 aio_pathsync $filename if $cf::USE_FSYNC;
1112 } else { 1176 } else {
1113 warn "FATAL: $filename~: $!\n"; 1177 warn "unable to save objects: $filename~: $!\n";
1114 } 1178 }
1115 } else { 1179 } else {
1116 aio_unlink $filename; 1180 aio_unlink $filename;
1117 aio_unlink "$filename.pst"; 1181 aio_unlink "$filename.pst";
1118 } 1182 }
1209 my ($name, $cb) = @_; 1273 my ($name, $cb) = @_;
1210 1274
1211 $EXTICMD{$name} = $cb; 1275 $EXTICMD{$name} = $cb;
1212} 1276}
1213 1277
1278use File::Glob ();
1279
1214cf::player->attach ( 1280cf::player->attach (
1215 on_command => sub { 1281 on_command => sub {
1216 my ($pl, $name, $params) = @_; 1282 my ($pl, $name, $params) = @_;
1217 1283
1218 my $cb = $COMMAND{$name} 1284 my $cb = $COMMAND{$name}
1250 1316
1251 cf::override; 1317 cf::override;
1252 }, 1318 },
1253); 1319);
1254 1320
1321# "readahead" all extensions
1322sub cache_extensions {
1323 my $grp = IO::AIO::aio_group;
1324
1325 add $grp IO::AIO::aio_readdir $LIBDIR, sub {
1326 for (grep /\.ext$/, @{$_[0]}) {
1327 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1328 }
1329 };
1330
1331 $grp
1332}
1333
1255sub load_extensions { 1334sub load_extensions {
1256 cf::sync_job { 1335 cf::sync_job {
1257 my %todo; 1336 my %todo;
1258 1337
1259 for my $path (<$LIBDIR/*.ext>) { 1338 for my $path (<$LIBDIR/*.ext>) {
1278 1357
1279 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1358 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1280 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1359 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1281 1360
1282 $ext{source} = 1361 $ext{source} =
1283 "package $pkg; use strict; use utf8;\n" 1362 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1284 . "#line 1 \"$path\"\n{\n" 1363 . "#line 1 \"$path\"\n{\n"
1285 . $source 1364 . $source
1286 . "\n};\n1"; 1365 . "\n};\n1";
1287 1366
1288 $todo{$base} = \%ext; 1367 $todo{$base} = \%ext;
1304 my $msg = $@ ? "$v->{path}: $@\n" 1383 my $msg = $@ ? "$v->{path}: $@\n"
1305 : "$v->{base}: extension inactive.\n"; 1384 : "$v->{base}: extension inactive.\n";
1306 1385
1307 if (exists $v->{meta}{mandatory}) { 1386 if (exists $v->{meta}{mandatory}) {
1308 warn $msg; 1387 warn $msg;
1309 warn "mandatory extension failed to load, exiting.\n"; 1388 cf::cleanup "mandatory extension failed to load, exiting.";
1310 exit 1;
1311 } 1389 }
1312 1390
1313 warn $msg; 1391 warn $msg;
1314 } 1392 }
1315 1393
1329 1407
1330=back 1408=back
1331 1409
1332=head2 CORE EXTENSIONS 1410=head2 CORE EXTENSIONS
1333 1411
1334Functions and methods that extend core crossfire objects. 1412Functions and methods that extend core deliantra objects.
1335 1413
1336=cut 1414=cut
1337 1415
1338package cf::player; 1416package cf::player;
1339 1417
1382 1460
1383sub exists($) { 1461sub exists($) {
1384 my ($login) = @_; 1462 my ($login) = @_;
1385 1463
1386 $cf::PLAYER{$login} 1464 $cf::PLAYER{$login}
1387 or cf::sync_job { !aio_stat path $login } 1465 or !aio_stat path $login
1388} 1466}
1389 1467
1390sub find($) { 1468sub find($) {
1391 return $cf::PLAYER{$_[0]} || do { 1469 return $cf::PLAYER{$_[0]} || do {
1392 my $login = $_[0]; 1470 my $login = $_[0];
1404 my $f = new_from_file cf::object::thawer path $login 1482 my $f = new_from_file cf::object::thawer path $login
1405 or return; 1483 or return;
1406 1484
1407 my $pl = cf::player::load_pl $f 1485 my $pl = cf::player::load_pl $f
1408 or return; 1486 or return;
1487
1409 local $cf::PLAYER_LOADING{$login} = $pl; 1488 local $cf::PLAYER_LOADING{$login} = $pl;
1410 $f->resolve_delayed_derefs; 1489 $f->resolve_delayed_derefs;
1411 $cf::PLAYER{$login} = $pl 1490 $cf::PLAYER{$login} = $pl
1412 } 1491 }
1413 } 1492 }
1423 1502
1424 return if $pl->{deny_save}; 1503 return if $pl->{deny_save};
1425 1504
1426 aio_mkdir playerdir $pl, 0770; 1505 aio_mkdir playerdir $pl, 0770;
1427 $pl->{last_save} = $cf::RUNTIME; 1506 $pl->{last_save} = $cf::RUNTIME;
1507
1508 cf::get_slot 0.01;
1428 1509
1429 $pl->save_pl ($path); 1510 $pl->save_pl ($path);
1430 cf::cede_to_tick; 1511 cf::cede_to_tick;
1431} 1512}
1432 1513
1464 my ($pl) = @_; 1545 my ($pl) = @_;
1465 1546
1466 my $name = $pl->ob->name; 1547 my $name = $pl->ob->name;
1467 1548
1468 $pl->{deny_save} = 1; 1549 $pl->{deny_save} = 1;
1469 $pl->password ("*"); # this should lock out the player until we nuked the dir 1550 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1470 1551
1471 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1552 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1472 $pl->deactivate; 1553 $pl->deactivate;
1554 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1555 $pl->ob->check_score;
1473 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1556 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1474 $pl->ns->destroy if $pl->ns; 1557 $pl->ns->destroy if $pl->ns;
1475 1558
1476 my $path = playerdir $pl; 1559 my $path = playerdir $pl;
1477 my $temp = "$path~$cf::RUNTIME~deleting~"; 1560 my $temp = "$path~$cf::RUNTIME~deleting~";
1516 1599
1517 for my $login (@$dirs) { 1600 for my $login (@$dirs) {
1518 my $path = path $login; 1601 my $path = path $login;
1519 1602
1520 # a .pst is a dead give-away for a valid player 1603 # a .pst is a dead give-away for a valid player
1521 unless (-e "$path.pst") { 1604 # if no pst file found, open and chekc for blocked users
1605 if (aio_stat "$path.pst") {
1522 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next; 1606 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1523 aio_read $fh, 0, 512, my $buf, 0 or next; 1607 aio_read $fh, 0, 512, my $buf, 0 or next;
1524 $buf !~ /^password -------------$/m or next; # official not-valid tag 1608 $buf !~ /^password -------------$/m or next; # official not-valid tag
1525 } 1609 }
1526 1610
1557 } 1641 }
1558 1642
1559 \@paths 1643 \@paths
1560} 1644}
1561 1645
1562=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1646=item $protocol_xml = $player->expand_cfpod ($cfpod)
1563 1647
1564Expand crossfire pod fragments into protocol xml. 1648Expand deliantra pod fragments into protocol xml.
1565
1566=cut
1567
1568use re 'eval';
1569
1570my $group;
1571my $interior; $interior = qr{
1572 # match a pod interior sequence sans C<< >>
1573 (?:
1574 \ (.*?)\ (?{ $group = $^N })
1575 | < (??{$interior}) >
1576 )
1577}x;
1578
1579sub expand_cfpod {
1580 my ($self, $pod) = @_;
1581
1582 my $xml;
1583
1584 while () {
1585 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1586 $group = $1;
1587
1588 $group =~ s/&/&amp;/g;
1589 $group =~ s/</&lt;/g;
1590
1591 $xml .= $group;
1592 } elsif ($pod =~ m%\G
1593 ([BCGHITU])
1594 <
1595 (?:
1596 ([^<>]*) (?{ $group = $^N })
1597 | < $interior >
1598 )
1599 >
1600 %gcsx
1601 ) {
1602 my ($code, $data) = ($1, $group);
1603
1604 if ($code eq "B") {
1605 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1606 } elsif ($code eq "I") {
1607 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1608 } elsif ($code eq "U") {
1609 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1610 } elsif ($code eq "C") {
1611 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1612 } elsif ($code eq "T") {
1613 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1614 } elsif ($code eq "G") {
1615 my ($male, $female) = split /\|/, $data;
1616 $data = $self->gender ? $female : $male;
1617 $xml .= expand_cfpod ($self, $data);
1618 } elsif ($code eq "H") {
1619 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1620 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1621 "")
1622 [$self->{hintmode}];
1623 } else {
1624 $xml .= "error processing '$code($data)' directive";
1625 }
1626 } else {
1627 if ($pod =~ /\G(.+)/) {
1628 warn "parse error while expanding $pod (at $1)";
1629 }
1630 last;
1631 }
1632 }
1633
1634 for ($xml) {
1635 # create single paragraphs (very hackish)
1636 s/(?<=\S)\n(?=\w)/ /g;
1637
1638 # compress some whitespace
1639 s/\s+\n/\n/g; # ws line-ends
1640 s/\n\n+/\n/g; # double lines
1641 s/^\n+//; # beginning lines
1642 s/\n+$//; # ending lines
1643 }
1644
1645 $xml
1646}
1647
1648no re 'eval';
1649
1650sub hintmode {
1651 $_[0]{hintmode} = $_[1] if @_ > 1;
1652 $_[0]{hintmode}
1653}
1654 1649
1655=item $player->ext_reply ($msgid, @msg) 1650=item $player->ext_reply ($msgid, @msg)
1656 1651
1657Sends an ext reply to the player. 1652Sends an ext reply to the player.
1658 1653
1725our $MAX_RESET = 3600; 1720our $MAX_RESET = 3600;
1726our $DEFAULT_RESET = 3000; 1721our $DEFAULT_RESET = 3000;
1727 1722
1728sub generate_random_map { 1723sub generate_random_map {
1729 my ($self, $rmp) = @_; 1724 my ($self, $rmp) = @_;
1725
1726 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1727
1730 # mit "rum" bekleckern, nicht 1728 # mit "rum" bekleckern, nicht
1731 $self->_create_random_map ( 1729 $self->_create_random_map (
1732 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1730 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1733 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1731 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1734 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1732 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1856 1854
1857# the temporary/swap location 1855# the temporary/swap location
1858sub save_path { 1856sub save_path {
1859 my ($self) = @_; 1857 my ($self) = @_;
1860 1858
1861 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1859 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1862 "$TMPDIR/$path.map" 1860 "$TMPDIR/$path.map"
1863} 1861}
1864 1862
1865# the unique path, undef == no special unique path 1863# the unique path, undef == no special unique path
1866sub uniq_path { 1864sub uniq_path {
1867 my ($self) = @_; 1865 my ($self) = @_;
1868 1866
1869 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1867 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1870 "$UNIQUEDIR/$path" 1868 "$UNIQUEDIR/$path"
1871}
1872
1873# and all this just because we cannot iterate over
1874# all maps in C++...
1875sub change_all_map_light {
1876 my ($change) = @_;
1877
1878 $_->change_map_light ($change)
1879 for grep $_->outdoor, values %cf::MAP;
1880} 1869}
1881 1870
1882sub decay_objects { 1871sub decay_objects {
1883 my ($self) = @_; 1872 my ($self) = @_;
1884 1873
1968sub find { 1957sub find {
1969 my ($path, $origin) = @_; 1958 my ($path, $origin) = @_;
1970 1959
1971 $path = normalise $path, $origin && $origin->path; 1960 $path = normalise $path, $origin && $origin->path;
1972 1961
1973 cf::lock_wait "map_data:$path";#d#remove 1962 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1974 cf::lock_wait "map_find:$path"; 1963 my $guard2 = cf::lock_acquire "map_find:$path";
1975 1964
1976 $cf::MAP{$path} || do { 1965 $cf::MAP{$path} || do {
1977 my $guard1 = cf::lock_acquire "map_find:$path";
1978 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1979
1980 my $map = new_from_path cf::map $path 1966 my $map = new_from_path cf::map $path
1981 or return; 1967 or return;
1982 1968
1983 $map->{last_save} = $cf::RUNTIME; 1969 $map->{last_save} = $cf::RUNTIME;
1984 1970
1986 or return; 1972 or return;
1987 1973
1988 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 1974 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1989 # doing this can freeze the server in a sync job, obviously 1975 # doing this can freeze the server in a sync job, obviously
1990 #$cf::WAIT_FOR_TICK->wait; 1976 #$cf::WAIT_FOR_TICK->wait;
1977 undef $guard2;
1991 undef $guard1; 1978 undef $guard1;
1992 undef $guard2;
1993 $map->reset; 1979 $map->reset;
1994 return find $path; 1980 return find $path;
1995 } 1981 }
1996 1982
1997 $cf::MAP{$path} = $map 1983 $cf::MAP{$path} = $map
2024 my $f = new_from_file cf::object::thawer $self->{load_path}; 2010 my $f = new_from_file cf::object::thawer $self->{load_path};
2025 $f->skip_block; 2011 $f->skip_block;
2026 $self->_load_objects ($f) 2012 $self->_load_objects ($f)
2027 or return; 2013 or return;
2028 2014
2029 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2015 $self->post_load_original
2030 if delete $self->{load_original}; 2016 if delete $self->{load_original};
2031 2017
2032 if (my $uniq = $self->uniq_path) { 2018 if (my $uniq = $self->uniq_path) {
2033 utf8::encode $uniq; 2019 utf8::encode $uniq;
2034 unless (aio_stat $uniq) { 2020 unless (aio_stat $uniq) {
2052 unless ($self->{deny_activate}) { 2038 unless ($self->{deny_activate}) {
2053 $self->decay_objects; 2039 $self->decay_objects;
2054 $self->fix_auto_apply; 2040 $self->fix_auto_apply;
2055 $self->update_buttons; 2041 $self->update_buttons;
2056 cf::cede_to_tick; 2042 cf::cede_to_tick;
2057 $self->set_darkness_map;
2058 cf::cede_to_tick;
2059 $self->activate; 2043 $self->activate;
2060 } 2044 }
2061 2045
2062 $self->{last_save} = $cf::RUNTIME; 2046 $self->{last_save} = $cf::RUNTIME;
2063 $self->last_access ($cf::RUNTIME); 2047 $self->last_access ($cf::RUNTIME);
2064 2048
2065 $self->in_memory (cf::MAP_IN_MEMORY); 2049 $self->in_memory (cf::MAP_ACTIVE);
2066 } 2050 }
2067 2051
2068 $self->post_load; 2052 $self->post_load;
2069} 2053}
2070 2054
2128 my ($path, $origin, $load) = @_; 2112 my ($path, $origin, $load) = @_;
2129 2113
2130 $path = normalise $path, $origin && $origin->{path}; 2114 $path = normalise $path, $origin && $origin->{path};
2131 2115
2132 if (my $map = $cf::MAP{$path}) { 2116 if (my $map = $cf::MAP{$path}) {
2133 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY; 2117 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2134 } 2118 }
2135 2119
2136 $MAP_PREFETCH{$path} |= $load; 2120 $MAP_PREFETCH{$path} |= $load;
2137 2121
2138 $MAP_PREFETCHER ||= cf::async { 2122 $MAP_PREFETCHER ||= cf::async {
2175 cf::async { 2159 cf::async {
2176 $Coro::current->{desc} = "map player save"; 2160 $Coro::current->{desc} = "map player save";
2177 $_->contr->save for $self->players; 2161 $_->contr->save for $self->players;
2178 }; 2162 };
2179 2163
2164 cf::get_slot 0.02;
2165
2180 if ($uniq) { 2166 if ($uniq) {
2181 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2167 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2182 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2168 $self->_save_objects ($uniq, cf::IO_UNIQUES);
2183 } else { 2169 } else {
2184 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2170 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2192 $self->save; 2178 $self->save;
2193 2179
2194 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2180 my $lock = cf::lock_acquire "map_data:$self->{path}";
2195 2181
2196 return if $self->players; 2182 return if $self->players;
2197 return if $self->in_memory != cf::MAP_IN_MEMORY; 2183 return if $self->in_memory != cf::MAP_ACTIVE;
2198 return if $self->{deny_save}; 2184 return if $self->{deny_save};
2199 2185
2200 $self->in_memory (cf::MAP_SWAPPED); 2186 $self->in_memory (cf::MAP_SWAPPED);
2201 2187
2202 $self->deactivate; 2188 $self->deactivate;
2320 2306
2321sub unique_maps() { 2307sub unique_maps() {
2322 [ 2308 [
2323 map { 2309 map {
2324 utf8::decode $_; 2310 utf8::decode $_;
2325 /\.map$/ 2311 s/\.map$//; # TODO future compatibility hack
2312 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2313 ? ()
2326 ? normalise $_ 2314 : normalise $_
2327 : ()
2328 } @{ aio_readdir $UNIQUEDIR or [] } 2315 } @{ aio_readdir $UNIQUEDIR or [] }
2329 ] 2316 ]
2330} 2317}
2331 2318
2332package cf;
2333
2334=back 2319=back
2335 2320
2336=head3 cf::object 2321=head3 cf::object
2337 2322
2338=cut 2323=cut
2341 2326
2342=over 4 2327=over 4
2343 2328
2344=item $ob->inv_recursive 2329=item $ob->inv_recursive
2345 2330
2346Returns the inventory of the object _and_ their inventories, recursively. 2331Returns the inventory of the object I<and> their inventories, recursively,
2332but I<not> the object itself.
2347 2333
2348=cut 2334=cut
2349 2335
2350sub inv_recursive_; 2336sub inv_recursive_;
2351sub inv_recursive_ { 2337sub inv_recursive_ {
2356 inv_recursive_ inv $_[0] 2342 inv_recursive_ inv $_[0]
2357} 2343}
2358 2344
2359=item $ref = $ob->ref 2345=item $ref = $ob->ref
2360 2346
2361creates and returns a persistent reference to an objetc that can be stored as a string. 2347Creates and returns a persistent reference to an object that can be stored as a string.
2362 2348
2363=item $ob = cf::object::deref ($refstring) 2349=item $ob = cf::object::deref ($refstring)
2364 2350
2365returns the objetc referenced by refstring. may return undef when it cnanot find the object, 2351returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2366even if the object actually exists. May block. 2352even if the object actually exists. May block.
2398can be C<undef>. Does the right thing when the player is currently in a 2384can be C<undef>. Does the right thing when the player is currently in a
2399dialogue with the given NPC character. 2385dialogue with the given NPC character.
2400 2386
2401=cut 2387=cut
2402 2388
2389our $SAY_CHANNEL = {
2390 id => "say",
2391 title => "Map",
2392 reply => "say ",
2393 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2394};
2395
2396our $CHAT_CHANNEL = {
2397 id => "chat",
2398 title => "Chat",
2399 reply => "chat ",
2400 tooltip => "Player chat and shouts, global to the server.",
2401};
2402
2403# rough implementation of a future "reply" method that works 2403# rough implementation of a future "reply" method that works
2404# with dialog boxes. 2404# with dialog boxes.
2405#TODO: the first argument must go, split into a $npc->reply_to ( method 2405#TODO: the first argument must go, split into a $npc->reply_to ( method
2406sub cf::object::player::reply($$$;$) { 2406sub cf::object::player::reply($$$;$) {
2407 my ($self, $npc, $msg, $flags) = @_; 2407 my ($self, $npc, $msg, $flags) = @_;
2418 my $dialog = $pl->{npc_dialog}; 2418 my $dialog = $pl->{npc_dialog};
2419 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg)); 2419 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2420 2420
2421 } else { 2421 } else {
2422 $msg = $npc->name . " says: $msg" if $npc; 2422 $msg = $npc->name . " says: $msg" if $npc;
2423 $self->message ($msg, $flags); 2423 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2424 } 2424 }
2425 } 2425 }
2426} 2426}
2427 2427
2428=item $object->send_msg ($channel, $msg, $color, [extra...]) 2428=item $object->send_msg ($channel, $msg, $color, [extra...])
2453 2453
2454=item $player_object->enter_link 2454=item $player_object->enter_link
2455 2455
2456Freezes the player and moves him/her to a special map (C<{link}>). 2456Freezes the player and moves him/her to a special map (C<{link}>).
2457 2457
2458The player should be reasonably safe there for short amounts of time. You 2458The player should be reasonably safe there for short amounts of time (e.g.
2459I<MUST> call C<leave_link> as soon as possible, though. 2459for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2460though, as the palyer cannot control the character while it is on the link
2461map.
2460 2462
2461Will never block. 2463Will never block.
2462 2464
2463=item $player_object->leave_link ($map, $x, $y) 2465=item $player_object->leave_link ($map, $x, $y)
2464 2466
2522 2524
2523 $map->load; 2525 $map->load;
2524 $map->load_neighbours; 2526 $map->load_neighbours;
2525 2527
2526 return unless $self->contr->active; 2528 return unless $self->contr->active;
2529 $self->flag (cf::FLAG_DEBUG, 0);#d# temp
2527 $self->activate_recursive; 2530 $self->activate_recursive;
2528 2531
2529 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2532 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2530 $self->enter_map ($map, $x, $y); 2533 $self->enter_map ($map, $x, $y);
2531} 2534}
2535Moves the player to the given map-path and coordinates by first freezing 2538Moves the player to the given map-path and coordinates by first freezing
2536her, loading and preparing them map, calling the provided $check callback 2539her, loading and preparing them map, calling the provided $check callback
2537that has to return the map if sucecssful, and then unfreezes the player on 2540that has to return the map if sucecssful, and then unfreezes the player on
2538the new (success) or old (failed) map position. In either case, $done will 2541the new (success) or old (failed) map position. In either case, $done will
2539be called at the end of this process. 2542be called at the end of this process.
2543
2544Note that $check will be called with a potentially non-loaded map, so if
2545it needs a loaded map it has to call C<< ->load >>.
2540 2546
2541=cut 2547=cut
2542 2548
2543our $GOTOGEN; 2549our $GOTOGEN;
2544 2550
2623} 2629}
2624 2630
2625sub prepare_random_map { 2631sub prepare_random_map {
2626 my ($exit) = @_; 2632 my ($exit) = @_;
2627 2633
2628 my $guard = cf::lock_acquire "exit_prepare:$exit";
2629
2630 # all this does is basically replace the /! path by 2634 # all this does is basically replace the /! path by
2631 # a new random map path (?random/...) with a seed 2635 # a new random map path (?random/...) with a seed
2632 # that depends on the exit object 2636 # that depends on the exit object
2633 2637
2634 my $rmp = parse_random_map_params $exit->msg; 2638 my $rmp = parse_random_map_params $exit->msg;
2636 if ($exit->map) { 2640 if ($exit->map) {
2637 $rmp->{region} = $exit->region->name; 2641 $rmp->{region} = $exit->region->name;
2638 $rmp->{origin_map} = $exit->map->path; 2642 $rmp->{origin_map} = $exit->map->path;
2639 $rmp->{origin_x} = $exit->x; 2643 $rmp->{origin_x} = $exit->x;
2640 $rmp->{origin_y} = $exit->y; 2644 $rmp->{origin_y} = $exit->y;
2645
2646 $exit->map->touch;
2641 } 2647 }
2642 2648
2643 $rmp->{random_seed} ||= $exit->random_seed; 2649 $rmp->{random_seed} ||= $exit->random_seed;
2644 2650
2645 my $data = cf::encode_json $rmp; 2651 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2646 my $md5 = Digest::MD5::md5_hex $data; 2652 my $md5 = Digest::MD5::md5_hex $data;
2647 my $meta = "$RANDOMDIR/$md5.meta"; 2653 my $meta = "$RANDOMDIR/$md5.meta";
2648 2654
2649 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2655 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2650 aio_write $fh, 0, (length $data), $data, 0; 2656 aio_write $fh, 0, (length $data), $data, 0;
2651 undef $fh; 2657 undef $fh;
2652 aio_rename "$meta~", $meta; 2658 aio_rename "$meta~", $meta;
2653 2659
2660 my $slaying = "?random/$md5";
2661
2662 if ($exit->valid) {
2654 $exit->slaying ("?random/$md5"); 2663 $exit->slaying ("?random/$md5");
2655 $exit->msg (undef); 2664 $exit->msg (undef);
2665 }
2656 } 2666 }
2657} 2667}
2658 2668
2659sub cf::object::player::enter_exit { 2669sub cf::object::player::enter_exit {
2660 my ($self, $exit) = @_; 2670 my ($self, $exit) = @_;
2661 2671
2662 return unless $self->type == cf::PLAYER; 2672 return unless $self->type == cf::PLAYER;
2663 2673
2664 if ($exit->slaying eq "/!") {
2665 #TODO: this should de-fi-ni-te-ly not be a sync-job
2666 # the problem is that $exit might not survive long enough
2667 # so it needs to be done right now, right here
2668 cf::sync_job { prepare_random_map $exit };
2669 }
2670
2671 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2672 my $hp = $exit->stats->hp;
2673 my $sp = $exit->stats->sp;
2674
2675 $self->enter_link; 2674 $self->enter_link;
2676 2675
2677 # if exit is damned, update players death & WoR home-position
2678 $self->contr->savebed ($slaying, $hp, $sp)
2679 if $exit->flag (FLAG_DAMNED);
2680
2681 (async { 2676 (async {
2682 $Coro::current->{desc} = "enter_exit $slaying $hp $sp"; 2677 $Coro::current->{desc} = "enter_exit";
2683 2678
2684 $self->deactivate_recursive; # just to be sure
2685 unless (eval { 2679 unless (eval {
2680 $self->deactivate_recursive; # just to be sure
2681
2682 # random map handling
2683 {
2684 my $guard = cf::lock_acquire "exit_prepare:$exit";
2685
2686 prepare_random_map $exit
2687 if $exit->slaying eq "/!";
2688 }
2689
2690 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2691 my $x = $exit->stats->hp;
2692 my $y = $exit->stats->sp;
2693
2686 $self->goto ($slaying, $hp, $sp); 2694 $self->goto ($map, $x, $y);
2687 2695
2696 # if exit is damned, update players death & WoR home-position
2697 $self->contr->savebed ($map, $x, $y)
2698 if $exit->flag (cf::FLAG_DAMNED);
2699
2688 1; 2700 1
2689 }) { 2701 }) {
2690 $self->message ("Something went wrong deep within the crossfire server. " 2702 $self->message ("Something went wrong deep within the deliantra server. "
2691 . "I'll try to bring you back to the map you were before. " 2703 . "I'll try to bring you back to the map you were before. "
2692 . "Please report this to the dungeon master!", 2704 . "Please report this to the dungeon master!",
2693 cf::NDI_UNIQUE | cf::NDI_RED); 2705 cf::NDI_UNIQUE | cf::NDI_RED);
2694 2706
2695 warn "ERROR in enter_exit: $@"; 2707 warn "ERROR in enter_exit: $@";
2761 id => "infobox", 2773 id => "infobox",
2762 title => "Body Parts", 2774 title => "Body Parts",
2763 reply => undef, 2775 reply => undef,
2764 tooltip => "Shows which body parts you posess and are available", 2776 tooltip => "Shows which body parts you posess and are available",
2765 }, 2777 },
2778 "c/statistics" => {
2779 id => "infobox",
2780 title => "Statistics",
2781 reply => undef,
2782 tooltip => "Shows your primary statistics",
2783 },
2784 "c/skills" => {
2785 id => "infobox",
2786 title => "Skills",
2787 reply => undef,
2788 tooltip => "Shows your experience per skill and item power",
2789 },
2790 "c/shopitems" => {
2791 id => "infobox",
2792 title => "Shop Items",
2793 reply => undef,
2794 tooltip => "Shows the items currently for sale in this shop",
2795 },
2796 "c/resistances" => {
2797 id => "infobox",
2798 title => "Resistances",
2799 reply => undef,
2800 tooltip => "Shows your resistances",
2801 },
2802 "c/pets" => {
2803 id => "infobox",
2804 title => "Pets",
2805 reply => undef,
2806 tooltip => "Shows information abotu your pets/a specific pet",
2807 },
2766 "c/uptime" => { 2808 "c/uptime" => {
2767 id => "infobox", 2809 id => "infobox",
2768 title => "Uptime", 2810 title => "Uptime",
2769 reply => undef, 2811 reply => undef,
2770 tooltip => "How long the server has been running since last restart", 2812 tooltip => "How long the server has been running since last restart",
2773 id => "infobox", 2815 id => "infobox",
2774 title => "Map Info", 2816 title => "Map Info",
2775 reply => undef, 2817 reply => undef,
2776 tooltip => "Information related to the maps", 2818 tooltip => "Information related to the maps",
2777 }, 2819 },
2820 "c/party" => {
2821 id => "party",
2822 title => "Party",
2823 reply => "gsay ",
2824 tooltip => "Messages and chat related to your party",
2825 },
2826 "c/death" => {
2827 id => "death",
2828 title => "Death",
2829 reply => undef,
2830 tooltip => "Reason for and more info about your most recent death",
2831 },
2832 "c/say" => $SAY_CHANNEL,
2833 "c/chat" => $CHAT_CHANNEL,
2778); 2834);
2779 2835
2780sub cf::client::send_msg { 2836sub cf::client::send_msg {
2781 my ($self, $channel, $msg, $color, @extra) = @_; 2837 my ($self, $channel, $msg, $color, @extra) = @_;
2782 2838
2783 $msg = $self->pl->expand_cfpod ($msg); 2839 $msg = $self->pl->expand_cfpod ($msg)
2840 unless $color & cf::NDI_VERBATIM;
2784 2841
2785 $color &= cf::NDI_CLIENT_MASK; # just in case... 2842 $color &= cf::NDI_CLIENT_MASK; # just in case...
2786 2843
2787 # check predefined channels, for the benefit of C 2844 # check predefined channels, for the benefit of C
2788 if ($CHANNEL{$channel}) { 2845 if ($CHANNEL{$channel}) {
2789 $channel = $CHANNEL{$channel}; 2846 $channel = $CHANNEL{$channel};
2790 2847
2791 $self->ext_msg (channel_info => $channel) 2848 $self->ext_msg (channel_info => $channel);
2792 if $self->can_msg;
2793
2794 $channel = $channel->{id}; 2849 $channel = $channel->{id};
2795 2850
2796 } elsif (ref $channel) { 2851 } elsif (ref $channel) {
2797 # send meta info to client, if not yet sent 2852 # send meta info to client, if not yet sent
2798 unless (exists $self->{channel}{$channel->{id}}) { 2853 unless (exists $self->{channel}{$channel->{id}}) {
2799 $self->{channel}{$channel->{id}} = $channel; 2854 $self->{channel}{$channel->{id}} = $channel;
2800 $self->ext_msg (channel_info => $channel) 2855 $self->ext_msg (channel_info => $channel);
2801 if $self->can_msg;
2802 } 2856 }
2803 2857
2804 $channel = $channel->{id}; 2858 $channel = $channel->{id};
2805 } 2859 }
2806 2860
2807 return unless @extra || length $msg; 2861 return unless @extra || length $msg;
2808 2862
2809 if ($self->can_msg) {
2810 # default colour, mask it out 2863 # default colour, mask it out
2811 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF) 2864 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2812 if $color & cf::NDI_DEF; 2865 if $color & cf::NDI_DEF;
2813 2866
2814 $self->send_packet ("msg " . $self->{json_coder}->encode ( 2867 my $pkt = "msg "
2868 . $self->{json_coder}->encode (
2815 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra])); 2869 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2816 } else { 2870 );
2817 if ($color >= 0) {
2818 # replace some tags by gcfclient-compatible ones
2819 for ($msg) {
2820 1 while
2821 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2822 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2823 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2824 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2825 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2826 }
2827 2871
2828 $color &= cf::NDI_COLOR_MASK; 2872 # try lzf for large packets
2873 $pkt = "lzf " . Compress::LZF::compress $pkt
2874 if 1024 <= length $pkt and $self->{can_lzf};
2829 2875
2830 utf8::encode $msg; 2876 # split very large packets
2831 2877 if (8192 < length $pkt and $self->{can_lzf}) {
2832 if (0 && $msg =~ /\[/) { 2878 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2833 # COMMAND/INFO 2879 $pkt = "frag";
2834 $self->send_packet ("drawextinfo $color 10 8 $msg")
2835 } else {
2836 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2837 $self->send_packet ("drawinfo $color $msg")
2838 }
2839 }
2840 } 2880 }
2881
2882 $self->send_packet ($pkt);
2841} 2883}
2842 2884
2843=item $client->ext_msg ($type, @msg) 2885=item $client->ext_msg ($type, @msg)
2844 2886
2845Sends an ext event to the client. 2887Sends an ext event to the client.
3019 3061
3020The following functions and methods are available within a safe environment: 3062The following functions and methods are available within a safe environment:
3021 3063
3022 cf::object 3064 cf::object
3023 contr pay_amount pay_player map x y force_find force_add destroy 3065 contr pay_amount pay_player map x y force_find force_add destroy
3024 insert remove name archname title slaying race decrease_ob_nr 3066 insert remove name archname title slaying race decrease split
3067 value
3025 3068
3026 cf::object::player 3069 cf::object::player
3027 player 3070 player
3028 3071
3029 cf::player 3072 cf::player
3034 3077
3035=cut 3078=cut
3036 3079
3037for ( 3080for (
3038 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3081 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3039 insert remove inv name archname title slaying race 3082 insert remove inv nrof name archname title slaying race
3040 decrease_ob_nr destroy)], 3083 decrease split destroy change_exp value msg lore send_msg)],
3041 ["cf::object::player" => qw(player)], 3084 ["cf::object::player" => qw(player)],
3042 ["cf::player" => qw(peaceful)], 3085 ["cf::player" => qw(peaceful send_msg)],
3043 ["cf::map" => qw(trigger)], 3086 ["cf::map" => qw(trigger)],
3044) { 3087) {
3045 no strict 'refs'; 3088 no strict 'refs';
3046 my ($pkg, @funs) = @$_; 3089 my ($pkg, @funs) = @$_;
3047 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3090 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3064 my ($code, %vars) = @_; 3107 my ($code, %vars) = @_;
3065 3108
3066 my $qcode = $code; 3109 my $qcode = $code;
3067 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3110 $qcode =~ s/"/‟/g; # not allowed in #line filenames
3068 $qcode =~ s/\n/\\n/g; 3111 $qcode =~ s/\n/\\n/g;
3112
3113 %vars = (_dummy => 0) unless %vars;
3069 3114
3070 local $_; 3115 local $_;
3071 local @safe::cf::_safe_eval_args = values %vars; 3116 local @safe::cf::_safe_eval_args = values %vars;
3072 3117
3073 my $eval = 3118 my $eval =
3218 $RESOURCE{$name} = $info; 3263 $RESOURCE{$name} = $info;
3219 } 3264 }
3220 3265
3221 cf::cede_to_tick; 3266 cf::cede_to_tick;
3222 } 3267 }
3223
3224 if (my $soundconf = delete $res->{"res/sound.conf"}) {
3225 $soundconf = $enc->decode (delete $soundconf->{data});
3226
3227 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3228 my $sound = $soundconf->{compat}[$_]
3229 or next;
3230
3231 my $face = cf::face::find "sound/$sound->[1]";
3232 cf::sound::set $sound->[0] => $face;
3233 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3234 }
3235
3236 while (my ($k, $v) = each %{$soundconf->{event}}) {
3237 my $face = cf::face::find "sound/$v";
3238 cf::sound::set $k => $face;
3239 }
3240 }
3241 } 3268 }
3269
3270 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3242 3271
3243 1 3272 1
3244} 3273}
3274
3275cf::global->attach (on_resource_update => sub {
3276 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3277 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3278
3279 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3280 my $sound = $soundconf->{compat}[$_]
3281 or next;
3282
3283 my $face = cf::face::find "sound/$sound->[1]";
3284 cf::sound::set $sound->[0] => $face;
3285 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3286 }
3287
3288 while (my ($k, $v) = each %{$soundconf->{event}}) {
3289 my $face = cf::face::find "sound/$v";
3290 cf::sound::set $k => $face;
3291 }
3292 }
3293});
3245 3294
3246register_exticmd fx_want => sub { 3295register_exticmd fx_want => sub {
3247 my ($ns, $want) = @_; 3296 my ($ns, $want) = @_;
3248 3297
3249 while (my ($k, $v) = each %$want) { 3298 while (my ($k, $v) = each %$want) {
3250 $ns->fx_want ($k, $v); 3299 $ns->fx_want ($k, $v);
3251 } 3300 }
3252}; 3301};
3302
3303sub load_resource_file($) {
3304 my $guard = lock_acquire "load_resource_file";
3305
3306 my $status = load_resource_file_ $_[0];
3307 get_slot 0.1, 100;
3308 cf::arch::commit_load;
3309
3310 $status
3311}
3253 3312
3254sub reload_regions { 3313sub reload_regions {
3255 # HACK to clear player env face cache, we need some signal framework 3314 # HACK to clear player env face cache, we need some signal framework
3256 # for this (global event?) 3315 # for this (global event?)
3257 %ext::player_env::MUSIC_FACE_CACHE = (); 3316 %ext::player_env::MUSIC_FACE_CACHE = ();
3271} 3330}
3272 3331
3273sub reload_archetypes { 3332sub reload_archetypes {
3274 load_resource_file "$DATADIR/archetypes" 3333 load_resource_file "$DATADIR/archetypes"
3275 or die "unable to load archetypes\n"; 3334 or die "unable to load archetypes\n";
3276 #d# NEED to laod twice to resolve forward references
3277 # this really needs to be done in an extra post-pass
3278 # (which needs to be synchronous, so solve it differently)
3279 load_resource_file "$DATADIR/archetypes"
3280 or die "unable to load archetypes\n";
3281} 3335}
3282 3336
3283sub reload_treasures { 3337sub reload_treasures {
3284 load_resource_file "$DATADIR/treasures" 3338 load_resource_file "$DATADIR/treasures"
3285 or die "unable to load treasurelists\n"; 3339 or die "unable to load treasurelists\n";
3286} 3340}
3287 3341
3288sub reload_resources { 3342sub reload_resources {
3289 warn "reloading resource files...\n"; 3343 warn "reloading resource files...\n";
3290 3344
3345 reload_facedata;
3346 reload_archetypes;
3291 reload_regions; 3347 reload_regions;
3292 reload_facedata;
3293 #reload_archetypes;#d#
3294 reload_archetypes;
3295 reload_treasures; 3348 reload_treasures;
3296 3349
3297 warn "finished reloading resource files\n"; 3350 warn "finished reloading resource files\n";
3298}
3299
3300sub init {
3301 reload_resources;
3302} 3351}
3303 3352
3304sub reload_config { 3353sub reload_config {
3305 open my $fh, "<:utf8", "$CONFDIR/config" 3354 open my $fh, "<:utf8", "$CONFDIR/config"
3306 or return; 3355 or return;
3307 3356
3308 local $/; 3357 local $/;
3309 *CFG = YAML::Syck::Load <$fh>; 3358 *CFG = YAML::Load <$fh>;
3310 3359
3311 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3360 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3312 3361
3313 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3362 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3314 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3363 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3320 }; 3369 };
3321 warn $@ if $@; 3370 warn $@ if $@;
3322 } 3371 }
3323} 3372}
3324 3373
3374sub pidfile() {
3375 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3376 or die "$PIDFILE: $!";
3377 flock $fh, &Fcntl::LOCK_EX
3378 or die "$PIDFILE: flock: $!";
3379 $fh
3380}
3381
3382# make sure only one server instance is running at any one time
3383sub atomic {
3384 my $fh = pidfile;
3385
3386 my $pid = <$fh>;
3387 kill 9, $pid if $pid > 0;
3388
3389 seek $fh, 0, 0;
3390 print $fh $$;
3391}
3392
3325sub main { 3393sub main {
3394 cf::init_globals; # initialise logging
3395
3396 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3397 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3398 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3399 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3400
3401 cf::init_experience;
3402 cf::init_anim;
3403 cf::init_attackmess;
3404 cf::init_dynamic;
3405
3406 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3407
3326 # we must not ever block the main coroutine 3408 # we must not ever block the main coroutine
3327 local $Coro::idle = sub { 3409 local $Coro::idle = sub {
3328 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3410 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3329 (async { 3411 (async {
3330 $Coro::current->{desc} = "IDLE BUG HANDLER"; 3412 $Coro::current->{desc} = "IDLE BUG HANDLER";
3331 EV::loop EV::LOOP_ONESHOT; 3413 EV::loop EV::LOOP_ONESHOT;
3332 })->prio (Coro::PRIO_MAX); 3414 })->prio (Coro::PRIO_MAX);
3333 }; 3415 };
3334 3416
3417 evthread_start IO::AIO::poll_fileno;
3418
3419 cf::sync_job {
3420 reload_resources;
3335 reload_config; 3421 reload_config;
3336 db_init; 3422 db_init;
3423
3424 cf::load_settings;
3425 cf::load_materials;
3426 cf::init_uuid;
3427 cf::init_signals;
3428 cf::init_commands;
3429 cf::init_skills;
3430
3431 cf::init_beforeplay;
3432
3433 atomic;
3434
3337 load_extensions; 3435 load_extensions;
3338 3436
3339 $TICK_WATCHER->start; 3437 utime time, time, $RUNTIMEFILE;
3340 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority 3438
3439 # no (long-running) fork's whatsoever before this point(!)
3440 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3441
3442 (pop @POST_INIT)->(0) while @POST_INIT;
3443 };
3444
3341 EV::loop; 3445 EV::loop;
3342} 3446}
3343 3447
3344############################################################################# 3448#############################################################################
3345# initialisation and cleanup 3449# initialisation and cleanup
3352 cf::cleanup "SIG$signal"; 3456 cf::cleanup "SIG$signal";
3353 }; 3457 };
3354 } 3458 }
3355} 3459}
3356 3460
3357sub write_runtime { 3461sub write_runtime_sync {
3358 my $runtime = "$LOCALDIR/runtime";
3359
3360 # first touch the runtime file to show we are still running: 3462 # first touch the runtime file to show we are still running:
3361 # the fsync below can take a very very long time. 3463 # the fsync below can take a very very long time.
3362 3464
3363 IO::AIO::aio_utime $runtime, undef, undef; 3465 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3364 3466
3365 my $guard = cf::lock_acquire "write_runtime"; 3467 my $guard = cf::lock_acquire "write_runtime";
3366 3468
3367 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3469 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3368 or return; 3470 or return;
3369 3471
3370 my $value = $cf::RUNTIME + 90 + 10; 3472 my $value = $cf::RUNTIME + 90 + 10;
3371 # 10 is the runtime save interval, for a monotonic clock 3473 # 10 is the runtime save interval, for a monotonic clock
3372 # 60 allows for the watchdog to kill the server. 3474 # 60 allows for the watchdog to kill the server.
3382 aio_utime $fh, undef, undef; 3484 aio_utime $fh, undef, undef;
3383 3485
3384 close $fh 3486 close $fh
3385 or return; 3487 or return;
3386 3488
3387 aio_rename "$runtime~", $runtime 3489 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3388 and return; 3490 and return;
3389 3491
3390 warn "runtime file written.\n"; 3492 warn "runtime file written.\n";
3391 3493
3392 1 3494 1
3495}
3496
3497our $uuid_lock;
3498our $uuid_skip;
3499
3500sub write_uuid_sync($) {
3501 $uuid_skip ||= $_[0];
3502
3503 return if $uuid_lock;
3504 local $uuid_lock = 1;
3505
3506 my $uuid = "$LOCALDIR/uuid";
3507
3508 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3509 or return;
3510
3511 my $value = uuid_seq uuid_cur;
3512
3513 unless ($value) {
3514 warn "cowardly refusing to write zero uuid value!\n";
3515 return;
3516 }
3517
3518 my $value = uuid_str $value + $uuid_skip;
3519 $uuid_skip = 0;
3520
3521 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3522 and return;
3523
3524 # always fsync - this file is important
3525 aio_fsync $fh
3526 and return;
3527
3528 close $fh
3529 or return;
3530
3531 aio_rename "$uuid~", $uuid
3532 and return;
3533
3534 warn "uuid file written ($value).\n";
3535
3536 1
3537
3538}
3539
3540sub write_uuid($$) {
3541 my ($skip, $sync) = @_;
3542
3543 $sync ? write_uuid_sync $skip
3544 : async { write_uuid_sync $skip };
3393} 3545}
3394 3546
3395sub emergency_save() { 3547sub emergency_save() {
3396 my $freeze_guard = cf::freeze_mainloop; 3548 my $freeze_guard = cf::freeze_mainloop;
3397 3549
3398 warn "enter emergency perl save\n"; 3550 warn "emergency_perl_save: enter\n";
3399 3551
3400 cf::sync_job { 3552 cf::sync_job {
3553 # this is a trade-off: we want to be very quick here, so
3554 # save all maps without fsync, and later call a global sync
3555 # (which in turn might be very very slow)
3556 local $USE_FSYNC = 0;
3557
3401 # use a peculiar iteration method to avoid tripping on perl 3558 # use a peculiar iteration method to avoid tripping on perl
3402 # refcount bugs in for. also avoids problems with players 3559 # refcount bugs in for. also avoids problems with players
3403 # and maps saved/destroyed asynchronously. 3560 # and maps saved/destroyed asynchronously.
3404 warn "begin emergency player save\n"; 3561 warn "emergency_perl_save: begin player save\n";
3405 for my $login (keys %cf::PLAYER) { 3562 for my $login (keys %cf::PLAYER) {
3406 my $pl = $cf::PLAYER{$login} or next; 3563 my $pl = $cf::PLAYER{$login} or next;
3407 $pl->valid or next; 3564 $pl->valid or next;
3408 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt 3565 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3409 $pl->save; 3566 $pl->save;
3410 } 3567 }
3411 warn "end emergency player save\n"; 3568 warn "emergency_perl_save: end player save\n";
3412 3569
3413 warn "begin emergency map save\n"; 3570 warn "emergency_perl_save: begin map save\n";
3414 for my $path (keys %cf::MAP) { 3571 for my $path (keys %cf::MAP) {
3415 my $map = $cf::MAP{$path} or next; 3572 my $map = $cf::MAP{$path} or next;
3416 $map->valid or next; 3573 $map->valid or next;
3417 $map->save; 3574 $map->save;
3418 } 3575 }
3419 warn "end emergency map save\n"; 3576 warn "emergency_perl_save: end map save\n";
3420 3577
3421 warn "begin emergency database checkpoint\n"; 3578 warn "emergency_perl_save: begin database checkpoint\n";
3422 BDB::db_env_txn_checkpoint $DB_ENV; 3579 BDB::db_env_txn_checkpoint $DB_ENV;
3423 warn "end emergency database checkpoint\n"; 3580 warn "emergency_perl_save: end database checkpoint\n";
3581
3582 warn "emergency_perl_save: begin write uuid\n";
3583 write_uuid_sync 1;
3584 warn "emergency_perl_save: end write uuid\n";
3424 }; 3585 };
3425 3586
3587 warn "emergency_perl_save: starting sync()\n";
3588 IO::AIO::aio_sync sub {
3589 warn "emergency_perl_save: finished sync()\n";
3590 };
3591
3426 warn "leave emergency perl save\n"; 3592 warn "emergency_perl_save: leave\n";
3427} 3593}
3428 3594
3429sub post_cleanup { 3595sub post_cleanup {
3430 my ($make_core) = @_; 3596 my ($make_core) = @_;
3431 3597
3432 warn Carp::longmess "post_cleanup backtrace" 3598 warn Carp::longmess "post_cleanup backtrace"
3433 if $make_core; 3599 if $make_core;
3600
3601 my $fh = pidfile;
3602 unlink $PIDFILE if <$fh> == $$;
3603}
3604
3605# a safer delete_package, copied from Symbol
3606sub clear_package($) {
3607 my $pkg = shift;
3608
3609 # expand to full symbol table name if needed
3610 unless ($pkg =~ /^main::.*::$/) {
3611 $pkg = "main$pkg" if $pkg =~ /^::/;
3612 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3613 $pkg .= '::' unless $pkg =~ /::$/;
3614 }
3615
3616 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3617 my $stem_symtab = *{$stem}{HASH};
3618
3619 defined $stem_symtab and exists $stem_symtab->{$leaf}
3620 or return;
3621
3622 # clear all symbols
3623 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3624 for my $name (keys %$leaf_symtab) {
3625 _gv_clear *{"$pkg$name"};
3626# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3627 }
3628 warn "cleared package $pkg\n";#d#
3434} 3629}
3435 3630
3436sub do_reload_perl() { 3631sub do_reload_perl() {
3437 # can/must only be called in main 3632 # can/must only be called in main
3438 if ($Coro::current != $Coro::main) { 3633 if ($Coro::current != $Coro::main) {
3439 warn "can only reload from main coroutine"; 3634 warn "can only reload from main coroutine";
3440 return; 3635 return;
3441 } 3636 }
3442 3637
3638 return if $RELOAD++;
3639
3640 my $t1 = EV::time;
3641
3642 while ($RELOAD) {
3443 warn "reloading..."; 3643 warn "reloading...";
3444 3644
3445 warn "entering sync_job"; 3645 warn "entering sync_job";
3446 3646
3447 cf::sync_job { 3647 cf::sync_job {
3448 cf::write_runtime; # external watchdog should not bark 3648 cf::write_runtime_sync; # external watchdog should not bark
3449 cf::emergency_save; 3649 cf::emergency_save;
3450 cf::write_runtime; # external watchdog should not bark 3650 cf::write_runtime_sync; # external watchdog should not bark
3451 3651
3452 warn "syncing database to disk"; 3652 warn "syncing database to disk";
3453 BDB::db_env_txn_checkpoint $DB_ENV; 3653 BDB::db_env_txn_checkpoint $DB_ENV;
3454 3654
3455 # if anything goes wrong in here, we should simply crash as we already saved 3655 # if anything goes wrong in here, we should simply crash as we already saved
3456 3656
3457 warn "flushing outstanding aio requests"; 3657 warn "flushing outstanding aio requests";
3458 for (;;) {
3459 BDB::flush;
3460 IO::AIO::flush;
3461 Coro::cede_notself;
3462 last unless IO::AIO::nreqs || BDB::nreqs; 3658 while (IO::AIO::nreqs || BDB::nreqs) {
3463 warn "iterate..."; 3659 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3464 }
3465
3466 ++$RELOAD;
3467
3468 warn "cancelling all extension coros";
3469 $_->cancel for values %EXT_CORO;
3470 %EXT_CORO = ();
3471
3472 warn "removing commands";
3473 %COMMAND = ();
3474
3475 warn "removing ext/exti commands";
3476 %EXTCMD = ();
3477 %EXTICMD = ();
3478
3479 warn "unloading/nuking all extensions";
3480 for my $pkg (@EXTS) {
3481 warn "... unloading $pkg";
3482
3483 if (my $cb = $pkg->can ("unload")) {
3484 eval {
3485 $cb->($pkg);
3486 1
3487 } or warn "$pkg unloaded, but with errors: $@";
3488 } 3660 }
3489 3661
3490 warn "... nuking $pkg"; 3662 warn "cancelling all extension coros";
3491 Symbol::delete_package $pkg; 3663 $_->cancel for values %EXT_CORO;
3492 } 3664 %EXT_CORO = ();
3493 3665
3494 warn "unloading all perl modules loaded from $LIBDIR"; 3666 warn "removing commands";
3495 while (my ($k, $v) = each %INC) { 3667 %COMMAND = ();
3496 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3497 3668
3669 warn "removing ext/exti commands";
3670 %EXTCMD = ();
3671 %EXTICMD = ();
3672
3673 warn "unloading/nuking all extensions";
3674 for my $pkg (@EXTS) {
3498 warn "... unloading $k"; 3675 warn "... unloading $pkg";
3499 delete $INC{$k};
3500 3676
3501 $k =~ s/\.pm$//;
3502 $k =~ s/\//::/g;
3503
3504 if (my $cb = $k->can ("unload_module")) { 3677 if (my $cb = $pkg->can ("unload")) {
3678 eval {
3505 $cb->(); 3679 $cb->($pkg);
3680 1
3681 } or warn "$pkg unloaded, but with errors: $@";
3682 }
3683
3684 warn "... clearing $pkg";
3685 clear_package $pkg;
3506 } 3686 }
3507 3687
3508 Symbol::delete_package $k; 3688 warn "unloading all perl modules loaded from $LIBDIR";
3689 while (my ($k, $v) = each %INC) {
3690 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3691
3692 warn "... unloading $k";
3693 delete $INC{$k};
3694
3695 $k =~ s/\.pm$//;
3696 $k =~ s/\//::/g;
3697
3698 if (my $cb = $k->can ("unload_module")) {
3699 $cb->();
3700 }
3701
3702 clear_package $k;
3509 } 3703 }
3510 3704
3511 warn "getting rid of safe::, as good as possible"; 3705 warn "getting rid of safe::, as good as possible";
3512 Symbol::delete_package "safe::$_" 3706 clear_package "safe::$_"
3513 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3707 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3514 3708
3515 warn "unloading cf.pm \"a bit\""; 3709 warn "unloading cf.pm \"a bit\"";
3516 delete $INC{"cf.pm"}; 3710 delete $INC{"cf.pm"};
3517 delete $INC{"cf/pod.pm"}; 3711 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3518 3712
3519 # don't, removes xs symbols, too, 3713 # don't, removes xs symbols, too,
3520 # and global variables created in xs 3714 # and global variables created in xs
3521 #Symbol::delete_package __PACKAGE__; 3715 #clear_package __PACKAGE__;
3522 3716
3523 warn "unload completed, starting to reload now"; 3717 warn "unload completed, starting to reload now";
3524 3718
3525 warn "reloading cf.pm"; 3719 warn "reloading cf.pm";
3526 require cf; 3720 require cf;
3527 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3721 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3528 3722
3529 warn "loading config and database again"; 3723 warn "loading config and database again";
3530 cf::reload_config; 3724 cf::reload_config;
3531 3725
3532 warn "loading extensions"; 3726 warn "loading extensions";
3533 cf::load_extensions; 3727 cf::load_extensions;
3534 3728
3729 if ($REATTACH_ON_RELOAD) {
3535 warn "reattaching attachments to objects/players"; 3730 warn "reattaching attachments to objects/players";
3536 _global_reattach; # objects, sockets 3731 _global_reattach; # objects, sockets
3537 warn "reattaching attachments to maps"; 3732 warn "reattaching attachments to maps";
3538 reattach $_ for values %MAP; 3733 reattach $_ for values %MAP;
3539 warn "reattaching attachments to players"; 3734 warn "reattaching attachments to players";
3540 reattach $_ for values %PLAYER; 3735 reattach $_ for values %PLAYER;
3736 }
3541 3737
3738 warn "running post_init jobs";
3739 (pop @POST_INIT)->(1) while @POST_INIT;
3740
3542 warn "leaving sync_job"; 3741 warn "leaving sync_job";
3543 3742
3544 1 3743 1
3545 } or do { 3744 } or do {
3546 warn $@; 3745 warn $@;
3547 warn "error while reloading, exiting."; 3746 cf::cleanup "error while reloading, exiting.";
3548 exit 1;
3549 }; 3747 };
3550 3748
3551 warn "reloaded"; 3749 warn "reloaded";
3750 --$RELOAD;
3751 }
3752
3753 $t1 = EV::time - $t1;
3754 warn "reload completed in ${t1}s\n";
3552}; 3755};
3553 3756
3554our $RELOAD_WATCHER; # used only during reload 3757our $RELOAD_WATCHER; # used only during reload
3555 3758
3556sub reload_perl() { 3759sub reload_perl() {
3557 # doing reload synchronously and two reloads happen back-to-back, 3760 # doing reload synchronously and two reloads happen back-to-back,
3558 # coro crashes during coro_state_free->destroy here. 3761 # coro crashes during coro_state_free->destroy here.
3559 3762
3763 $RELOAD_WATCHER ||= cf::async {
3764 Coro::AIO::aio_wait cache_extensions;
3765
3560 $RELOAD_WATCHER ||= EV::timer 0, 0, sub { 3766 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3767 do_reload_perl;
3561 undef $RELOAD_WATCHER; 3768 undef $RELOAD_WATCHER;
3562 do_reload_perl; 3769 };
3563 }; 3770 };
3564} 3771}
3565 3772
3566register_command "reload" => sub { 3773register_command "reload" => sub {
3567 my ($who, $arg) = @_; 3774 my ($who, $arg) = @_;
3581 3788
3582our @WAIT_FOR_TICK; 3789our @WAIT_FOR_TICK;
3583our @WAIT_FOR_TICK_BEGIN; 3790our @WAIT_FOR_TICK_BEGIN;
3584 3791
3585sub wait_for_tick { 3792sub wait_for_tick {
3586 return unless $TICK_WATCHER->is_active;
3587 return if $Coro::current == $Coro::main; 3793 return if tick_inhibit || $Coro::current == $Coro::main;
3588 3794
3589 my $signal = new Coro::Signal; 3795 my $signal = new Coro::Signal;
3590 push @WAIT_FOR_TICK, $signal; 3796 push @WAIT_FOR_TICK, $signal;
3591 $signal->wait; 3797 $signal->wait;
3592} 3798}
3593 3799
3594sub wait_for_tick_begin { 3800sub wait_for_tick_begin {
3595 return unless $TICK_WATCHER->is_active;
3596 return if $Coro::current == $Coro::main; 3801 return if tick_inhibit || $Coro::current == $Coro::main;
3597 3802
3598 my $signal = new Coro::Signal; 3803 my $signal = new Coro::Signal;
3599 push @WAIT_FOR_TICK_BEGIN, $signal; 3804 push @WAIT_FOR_TICK_BEGIN, $signal;
3600 $signal->wait; 3805 $signal->wait;
3601} 3806}
3602 3807
3603$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub { 3808sub tick {
3604 if ($Coro::current != $Coro::main) { 3809 if ($Coro::current != $Coro::main) {
3605 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3810 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3606 unless ++$bug_warning > 10; 3811 unless ++$bug_warning > 10;
3607 return; 3812 return;
3608 } 3813 }
3609 3814
3610 $NOW = $tick_start = EV::now;
3611
3612 cf::server_tick; # one server iteration 3815 cf::server_tick; # one server iteration
3613
3614 $RUNTIME += $TICK;
3615 $NEXT_TICK = $_[0]->at;
3616 3816
3617 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3817 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3618 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.; 3818 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3619 Coro::async_pool { 3819 Coro::async_pool {
3620 $Coro::current->{desc} = "runtime saver"; 3820 $Coro::current->{desc} = "runtime saver";
3621 write_runtime 3821 write_runtime_sync
3622 or warn "ERROR: unable to write runtime file: $!"; 3822 or warn "ERROR: unable to write runtime file: $!";
3623 }; 3823 };
3624 } 3824 }
3625 3825
3626 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3826 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3628 } 3828 }
3629 while (my $sig = shift @WAIT_FOR_TICK) { 3829 while (my $sig = shift @WAIT_FOR_TICK) {
3630 $sig->send; 3830 $sig->send;
3631 } 3831 }
3632 3832
3633 $LOAD = ($NOW - $tick_start) / $TICK; 3833 $LOAD = ($NOW - $TICK_START) / $TICK;
3634 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3834 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3635 3835
3636 _post_tick; 3836 if (0) {
3637}; 3837 if ($NEXT_TICK) {
3638$TICK_WATCHER->priority (EV::MAXPRI); 3838 my $jitter = $TICK_START - $NEXT_TICK;
3839 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3840 warn "jitter $JITTER\n";#d#
3841 }
3842 }
3843}
3639 3844
3640{ 3845{
3641 # configure BDB 3846 # configure BDB
3642 3847
3643 BDB::min_parallel 8; 3848 BDB::min_parallel 8;
3644 BDB::max_poll_reqs $TICK * 0.1; 3849 BDB::max_poll_reqs $TICK * 0.1;
3645 $Coro::BDB::WATCHER->priority (1); 3850 $AnyEvent::BDB::WATCHER->priority (1);
3646 3851
3647 unless ($DB_ENV) { 3852 unless ($DB_ENV) {
3648 $DB_ENV = BDB::db_env_create; 3853 $DB_ENV = BDB::db_env_create;
3649 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC 3854 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3650 | BDB::LOG_AUTOREMOVE, 1); 3855 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3856 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3651 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT); 3857 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3652 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT); 3858 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3653 3859
3654 cf::sync_job { 3860 cf::sync_job {
3655 eval { 3861 eval {
3681{ 3887{
3682 # configure IO::AIO 3888 # configure IO::AIO
3683 3889
3684 IO::AIO::min_parallel 8; 3890 IO::AIO::min_parallel 8;
3685 IO::AIO::max_poll_time $TICK * 0.1; 3891 IO::AIO::max_poll_time $TICK * 0.1;
3686 $Coro::AIO::WATCHER->priority (1); 3892 undef $AnyEvent::AIO::WATCHER;
3687} 3893}
3688 3894
3689my $_log_backtrace; 3895my $_log_backtrace;
3690 3896
3691sub _log_backtrace { 3897sub _log_backtrace {
3694 $msg =~ s/\n//; 3900 $msg =~ s/\n//;
3695 3901
3696 # limit the # of concurrent backtraces 3902 # limit the # of concurrent backtraces
3697 if ($_log_backtrace < 2) { 3903 if ($_log_backtrace < 2) {
3698 ++$_log_backtrace; 3904 ++$_log_backtrace;
3905 my $perl_bt = Carp::longmess $msg;
3699 async { 3906 async {
3700 $Coro::current->{desc} = "abt $msg"; 3907 $Coro::current->{desc} = "abt $msg";
3701 3908
3702 my @bt = fork_call { 3909 my @bt = fork_call {
3703 @addr = map { sprintf "%x", $_ } @addr; 3910 @addr = map { sprintf "%x", $_ } @addr;
3714 } 3921 }
3715 3922
3716 @funcs 3923 @funcs
3717 }; 3924 };
3718 3925
3719 LOG llevInfo, "[ABT] $msg\n"; 3926 LOG llevInfo, "[ABT] $perl_bt\n";
3927 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3720 LOG llevInfo, "[ABT] $_\n" for @bt; 3928 LOG llevInfo, "[ABT] $_\n" for @bt;
3721 --$_log_backtrace; 3929 --$_log_backtrace;
3722 }; 3930 };
3723 } else { 3931 } else {
3724 LOG llevInfo, "[ABT] $msg\n"; 3932 LOG llevInfo, "[ABT] $msg\n";
3725 LOG llevInfo, "[ABT] [suppressed]\n"; 3933 LOG llevInfo, "[ABT] [suppressed]\n";
3726 } 3934 }
3727} 3935}
3728 3936
3729# load additional modules 3937# load additional modules
3730use cf::pod; 3938require "cf/$_.pm" for @EXTRA_MODULES;
3731 3939
3732END { cf::emergency_save } 3940END { cf::emergency_save }
3733 3941
37341 39421
3735 3943

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