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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.406 by root, Mon Dec 17 08:27:44 2007 UTC vs.
Revision 1.477 by root, Wed Sep 2 22:52:36 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$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
72
73# make sure c-lzf reinitialises itself
74Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
42Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 75Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
43 76
44# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 77# strictly for debugging
45$YAML::Syck::ImplicitUnicode = 1; 78$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
46
47$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48 79
49sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 80sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50 81
51our %COMMAND = (); 82our %COMMAND = ();
52our %COMMAND_TIME = (); 83our %COMMAND_TIME = ();
55our %EXTCMD = (); 86our %EXTCMD = ();
56our %EXTICMD = (); 87our %EXTICMD = ();
57our %EXT_CORO = (); # coroutines bound to extensions 88our %EXT_CORO = (); # coroutines bound to extensions
58our %EXT_MAP = (); # pluggable maps 89our %EXT_MAP = (); # pluggable maps
59 90
60our $RELOAD; # number of reloads so far 91our $RELOAD; # number of reloads so far, non-zero while in reload
61our @EVENT; 92our @EVENT;
62 93
63our $CONFDIR = confdir; 94our $CONFDIR = confdir;
64our $DATADIR = datadir; 95our $DATADIR = datadir;
65our $LIBDIR = "$DATADIR/ext"; 96our $LIBDIR = "$DATADIR/ext";
66our $PODDIR = "$DATADIR/pod"; 97our $PODDIR = "$DATADIR/pod";
67our $MAPDIR = "$DATADIR/" . mapdir; 98our $MAPDIR = "$DATADIR/" . mapdir;
68our $LOCALDIR = localdir; 99our $LOCALDIR = localdir;
69our $TMPDIR = "$LOCALDIR/" . tmpdir; 100our $TMPDIR = "$LOCALDIR/" . tmpdir;
70our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 101our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71our $PLAYERDIR = "$LOCALDIR/" . playerdir; 102our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72our $RANDOMDIR = "$LOCALDIR/random"; 103our $RANDOMDIR = "$LOCALDIR/random";
73our $BDBDIR = "$LOCALDIR/db"; 104our $BDBDIR = "$LOCALDIR/db";
105our $PIDFILE = "$LOCALDIR/pid";
106our $RUNTIMEFILE = "$LOCALDIR/runtime";
107
74our %RESOURCE; 108our %RESOURCE;
75 109
76our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 110our $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 111our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80our $NEXT_TICK; 112our $NEXT_TICK;
81our $USE_FSYNC = 1; # use fsync to write maps - default off 113our $USE_FSYNC = 1; # use fsync to write maps - default on
82 114
83our $BDB_POLL_WATCHER;
84our $BDB_DEADLOCK_WATCHER; 115our $BDB_DEADLOCK_WATCHER;
85our $BDB_CHECKPOINT_WATCHER; 116our $BDB_CHECKPOINT_WATCHER;
86our $BDB_TRICKLE_WATCHER; 117our $BDB_TRICKLE_WATCHER;
87our $DB_ENV; 118our $DB_ENV;
88 119
120our @EXTRA_MODULES = qw(pod mapscript);
121
89our %CFG; 122our %CFG;
90 123
91our $UPTIME; $UPTIME ||= time; 124our $UPTIME; $UPTIME ||= time;
92our $RUNTIME; 125our $RUNTIME;
93our $NOW; 126our $NOW;
99# used to convert map paths into valid unix filenames by replacing / by ∕ 132# used to convert map paths into valid unix filenames by replacing / by ∕
100our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 133our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101 134
102our $LOAD; # a number between 0 (idle) and 1 (too many objects) 135our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103our $LOADAVG; # same thing, but with alpha-smoothing 136our $LOADAVG; # same thing, but with alpha-smoothing
137our $JITTER; # average jitter
104our $tick_start; # for load detecting purposes 138our $TICK_START; # for load detecting purposes
139
140our @POST_INIT;
141
142our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
143our $REALLY_UNLOOP; # never set to true, please :)
105 144
106binmode STDOUT; 145binmode STDOUT;
107binmode STDERR; 146binmode STDERR;
108 147
109# read virtual server time, if available 148# read virtual server time, if available
110unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 149unless ($RUNTIME || !-e $RUNTIMEFILE) {
111 open my $fh, "<", "$LOCALDIR/runtime" 150 open my $fh, "<", $RUNTIMEFILE
112 or die "unable to read runtime file: $!"; 151 or die "unable to read $RUNTIMEFILE file: $!";
113 $RUNTIME = <$fh> + 0.; 152 $RUNTIME = <$fh> + 0.;
114} 153}
154
155eval "sub TICK() { $TICK } 1" or die;
115 156
116mkdir $_ 157mkdir $_
117 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 158 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
118 159
119our $EMERGENCY_POSITION; 160our $EMERGENCY_POSITION;
181 222
182=back 223=back
183 224
184=cut 225=cut
185 226
186BEGIN { 227$Coro::State::WARNHOOK = sub {
187 *CORE::GLOBAL::warn = sub {
188 my $msg = join "", @_; 228 my $msg = join "", @_;
189 229
190 $msg .= "\n" 230 $msg .= "\n"
191 unless $msg =~ /\n$/; 231 unless $msg =~ /\n$/;
192 232
193 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 233 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194 234
195 LOG llevError, $msg; 235 LOG llevError, $msg;
196 }; 236};
197} 237
238$Coro::State::DIEHOOK = sub {
239 return unless $^S eq 0; # "eq", not "=="
240
241 warn Carp::longmess $_[0];
242
243 if ($Coro::current == $Coro::main) {#d#
244 warn "DIEHOOK called in main context, Coro bug?\n";#d#
245 return;#d#
246 }#d#
247
248 # kill coroutine otherwise
249 Coro::terminate
250};
198 251
199@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 252@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 253@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 254@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 255@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
209for my $pkg (qw( 262for my $pkg (qw(
210 cf::global cf::attachable 263 cf::global cf::attachable
211 cf::object cf::object::player 264 cf::object cf::object::player
212 cf::client cf::player 265 cf::client cf::player
213 cf::arch cf::living 266 cf::arch cf::living
267 cf::map cf::mapspace
214 cf::map cf::party cf::region 268 cf::party cf::region
215)) { 269)) {
216 no strict 'refs';
217 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 270 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218} 271}
219 272
220$EV::DIED = sub { 273$EV::DIED = sub {
221 warn "error in event callback: @_"; 274 warn "error in event callback: @_";
263our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 316our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264 317
265sub encode_json($) { $json_coder->encode ($_[0]) } 318sub encode_json($) { $json_coder->encode ($_[0]) }
266sub decode_json($) { $json_coder->decode ($_[0]) } 319sub decode_json($) { $json_coder->decode ($_[0]) }
267 320
321=item cf::post_init { BLOCK }
322
323Execute the given codeblock, I<after> all extensions have been (re-)loaded,
324but I<before> the server starts ticking again.
325
326The cdoeblock will have a single boolean argument to indicate whether this
327is a reload or not.
328
329=cut
330
331sub post_init(&) {
332 push @POST_INIT, shift;
333}
334
268=item cf::lock_wait $string 335=item cf::lock_wait $string
269 336
270Wait until the given lock is available. See cf::lock_acquire. 337Wait until the given lock is available. See cf::lock_acquire.
271 338
272=item my $lock = cf::lock_acquire $string 339=item my $lock = cf::lock_acquire $string
273 340
274Wait until the given lock is available and then acquires it and returns 341Wait 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, 342a L<Guard> object. If the guard object gets destroyed (goes out of scope,
276for example when the coroutine gets canceled), the lock is automatically 343for example when the coroutine gets canceled), the lock is automatically
277returned. 344returned.
278 345
279Locks are *not* recursive, locking from the same coro twice results in a 346Locks are *not* recursive, locking from the same coro twice results in a
280deadlocked coro. 347deadlocked coro.
286 353
287Return true if the lock is currently active, i.e. somebody has locked it. 354Return true if the lock is currently active, i.e. somebody has locked it.
288 355
289=cut 356=cut
290 357
291our %LOCK; 358our $LOCKS = new Coro::SemaphoreSet;
292our %LOCKER;#d#
293 359
294sub lock_wait($) { 360sub lock_wait($) {
295 my ($key) = @_; 361 $LOCKS->wait ($_[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} }, $Coro::current;
305 Coro::schedule;
306 }
307} 362}
308 363
309sub lock_acquire($) { 364sub lock_acquire($) {
310 my ($key) = @_; 365 $LOCKS->guard ($_[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} 366}
324 367
325sub lock_active($) { 368sub lock_active($) {
326 my ($key) = @_; 369 $LOCKS->count ($_[0]) < 1
327
328 ! ! $LOCK{$key}
329} 370}
330 371
331sub freeze_mainloop { 372sub freeze_mainloop {
332 return unless $TICK_WATCHER->is_active; 373 tick_inhibit_inc;
333 374
334 my $guard = Coro::guard { 375 &Guard::guard (\&tick_inhibit_dec);
335 $TICK_WATCHER->start;
336 };
337 $TICK_WATCHER->stop;
338 $guard
339} 376}
340 377
341=item cf::periodic $interval, $cb 378=item cf::periodic $interval, $cb
342 379
343Like EV::periodic, but randomly selects a starting point so that the actions 380Like EV::periodic, but randomly selects a starting point so that the actions
398 } 435 }
399 } 436 }
400}; 437};
401 438
402sub get_slot($;$$) { 439sub get_slot($;$$) {
440 return if tick_inhibit || $Coro::current == $Coro::main;
441
403 my ($time, $pri, $name) = @_; 442 my ($time, $pri, $name) = @_;
404 443
405 $time = $TICK * .6 if $time > $TICK * .6; 444 $time = $TICK * .6 if $time > $TICK * .6;
406 my $sig = new Coro::Signal; 445 my $sig = new Coro::Signal;
407 446
444 # this is the main coro, too bad, we have to block 483 # this is the main coro, too bad, we have to block
445 # till the operation succeeds, freezing the server :/ 484 # till the operation succeeds, freezing the server :/
446 485
447 LOG llevError, Carp::longmess "sync job";#d# 486 LOG llevError, Carp::longmess "sync job";#d#
448 487
449 # TODO: use suspend/resume instead
450 # (but this is cancel-safe)
451 my $freeze_guard = freeze_mainloop; 488 my $freeze_guard = freeze_mainloop;
452 489
453 my $busy = 1; 490 my $busy = 1;
454 my @res; 491 my @res;
455 492
466 } else { 503 } else {
467 EV::loop EV::LOOP_ONESHOT; 504 EV::loop EV::LOOP_ONESHOT;
468 } 505 }
469 } 506 }
470 507
471 $time = EV::time - $time; 508 my $time = EV::time - $time;
472 509
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 510 $TICK_START += $time; # do not account sync jobs to server load
477 511
478 wantarray ? @res : $res[0] 512 wantarray ? @res : $res[0]
479 } else { 513 } else {
480 # we are in another coroutine, how wonderful, everything just works 514 # we are in another coroutine, how wonderful, everything just works
481 515
523 reset_signals; 557 reset_signals;
524 &$cb 558 &$cb
525 }, @args; 559 }, @args;
526 560
527 wantarray ? @res : $res[-1] 561 wantarray ? @res : $res[-1]
562}
563
564=item $coin = coin_from_name $name
565
566=cut
567
568our %coin_alias = (
569 "silver" => "silvercoin",
570 "silvercoin" => "silvercoin",
571 "silvercoins" => "silvercoin",
572 "gold" => "goldcoin",
573 "goldcoin" => "goldcoin",
574 "goldcoins" => "goldcoin",
575 "platinum" => "platinacoin",
576 "platinumcoin" => "platinacoin",
577 "platinumcoins" => "platinacoin",
578 "platina" => "platinacoin",
579 "platinacoin" => "platinacoin",
580 "platinacoins" => "platinacoin",
581 "royalty" => "royalty",
582 "royalties" => "royalty",
583);
584
585sub coin_from_name($) {
586 $coin_alias{$_[0]}
587 ? cf::arch::find $coin_alias{$_[0]}
588 : undef
528} 589}
529 590
530=item $value = cf::db_get $family => $key 591=item $value = cf::db_get $family => $key
531 592
532Returns a single value from the environment database. 593Returns a single value from the environment database.
671 732
672############################################################################# 733#############################################################################
673 734
674=head2 ATTACHABLE OBJECTS 735=head2 ATTACHABLE OBJECTS
675 736
676Many objects in crossfire are so-called attachable objects. That means you can 737Many objects in deliantra are so-called attachable objects. That means you can
677attach callbacks/event handlers (a collection of which is called an "attachment") 738attach callbacks/event handlers (a collection of which is called an "attachment")
678to it. All such attachable objects support the following methods. 739to it. All such attachable objects support the following methods.
679 740
680In the following description, CLASS can be any of C<global>, C<object> 741In 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 742C<player>, C<client> or C<map> (i.e. the attachable objects in
731=item cf::CLASS::attachment $name, ... 792=item cf::CLASS::attachment $name, ...
732 793
733Register an attachment by C<$name> through which attachable objects of the 794Register an attachment by C<$name> through which attachable objects of the
734given CLASS can refer to this attachment. 795given CLASS can refer to this attachment.
735 796
736Some classes such as crossfire maps and objects can specify attachments 797Some classes such as deliantra maps and objects can specify attachments
737that are attached at load/instantiate time, thus the need for a name. 798that are attached at load/instantiate time, thus the need for a name.
738 799
739These calls expect any number of the following handler/hook descriptions: 800These calls expect any number of the following handler/hook descriptions:
740 801
741=over 4 802=over 4
1032 1093
1033sub reattach { 1094sub reattach {
1034 # basically do the same as instantiate, without calling instantiate 1095 # basically do the same as instantiate, without calling instantiate
1035 my ($obj) = @_; 1096 my ($obj) = @_;
1036 1097
1098 # no longer needed after getting rid of delete_package?
1037 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1099 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1038 1100
1039 my $registry = $obj->registry; 1101 my $registry = $obj->registry;
1040 1102
1041 @$registry = (); 1103 @$registry = ();
1042 1104
1088 utf8::decode (my $decname = $filename); 1150 utf8::decode (my $decname = $filename);
1089 warn sprintf "saving %s (%d,%d)\n", 1151 warn sprintf "saving %s (%d,%d)\n",
1090 $decname, length $$rdata, scalar @$objs; 1152 $decname, length $$rdata, scalar @$objs;
1091 1153
1092 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1154 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1093 chmod SAVE_MODE, $fh; 1155 aio_chmod $fh, SAVE_MODE;
1094 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1156 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1095 aio_fsync $fh if $cf::USE_FSYNC; 1157 if ($cf::USE_FSYNC) {
1158 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
1159 aio_fsync $fh;
1160 }
1096 close $fh; 1161 aio_close $fh;
1097 1162
1098 if (@$objs) { 1163 if (@$objs) {
1099 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1164 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1100 chmod SAVE_MODE, $fh; 1165 aio_chmod $fh, SAVE_MODE;
1101 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs }; 1166 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1102 aio_write $fh, 0, (length $data), $data, 0; 1167 aio_write $fh, 0, (length $data), $data, 0;
1103 aio_fsync $fh if $cf::USE_FSYNC; 1168 if ($cf::USE_FSYNC) {
1169 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
1170 aio_fsync $fh;
1171 }
1104 close $fh; 1172 aio_close $fh;
1105 aio_rename "$filename.pst~", "$filename.pst"; 1173 aio_rename "$filename.pst~", "$filename.pst";
1106 } 1174 }
1107 } else { 1175 } else {
1108 aio_unlink "$filename.pst"; 1176 aio_unlink "$filename.pst";
1109 } 1177 }
1110 1178
1111 aio_rename "$filename~", $filename; 1179 aio_rename "$filename~", $filename;
1180
1181 $filename =~ s%/[^/]+$%%;
1182 aio_pathsync $filename if $cf::USE_FSYNC;
1112 } else { 1183 } else {
1113 warn "FATAL: $filename~: $!\n"; 1184 warn "unable to save objects: $filename~: $!\n";
1114 } 1185 }
1115 } else { 1186 } else {
1116 aio_unlink $filename; 1187 aio_unlink $filename;
1117 aio_unlink "$filename.pst"; 1188 aio_unlink "$filename.pst";
1118 } 1189 }
1209 my ($name, $cb) = @_; 1280 my ($name, $cb) = @_;
1210 1281
1211 $EXTICMD{$name} = $cb; 1282 $EXTICMD{$name} = $cb;
1212} 1283}
1213 1284
1285use File::Glob ();
1286
1214cf::player->attach ( 1287cf::player->attach (
1215 on_command => sub { 1288 on_command => sub {
1216 my ($pl, $name, $params) = @_; 1289 my ($pl, $name, $params) = @_;
1217 1290
1218 my $cb = $COMMAND{$name} 1291 my $cb = $COMMAND{$name}
1250 1323
1251 cf::override; 1324 cf::override;
1252 }, 1325 },
1253); 1326);
1254 1327
1328# "readahead" all extensions
1329sub cache_extensions {
1330 my $grp = IO::AIO::aio_group;
1331
1332 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1333 for (grep /\.ext$/, @{$_[0]}) {
1334 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1335 }
1336 };
1337
1338 $grp
1339}
1340
1255sub load_extensions { 1341sub load_extensions {
1256 cf::sync_job { 1342 cf::sync_job {
1257 my %todo; 1343 my %todo;
1258 1344
1259 for my $path (<$LIBDIR/*.ext>) { 1345 for my $path (<$LIBDIR/*.ext>) {
1278 1364
1279 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1365 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1280 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1366 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1281 1367
1282 $ext{source} = 1368 $ext{source} =
1283 "package $pkg; use strict; use utf8;\n" 1369 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1284 . "#line 1 \"$path\"\n{\n" 1370 . "#line 1 \"$path\"\n{\n"
1285 . $source 1371 . $source
1286 . "\n};\n1"; 1372 . "\n};\n1";
1287 1373
1288 $todo{$base} = \%ext; 1374 $todo{$base} = \%ext;
1304 my $msg = $@ ? "$v->{path}: $@\n" 1390 my $msg = $@ ? "$v->{path}: $@\n"
1305 : "$v->{base}: extension inactive.\n"; 1391 : "$v->{base}: extension inactive.\n";
1306 1392
1307 if (exists $v->{meta}{mandatory}) { 1393 if (exists $v->{meta}{mandatory}) {
1308 warn $msg; 1394 warn $msg;
1309 warn "mandatory extension failed to load, exiting.\n"; 1395 cf::cleanup "mandatory extension failed to load, exiting.";
1310 exit 1;
1311 } 1396 }
1312 1397
1313 warn $msg; 1398 warn $msg;
1314 } 1399 }
1315 1400
1329 1414
1330=back 1415=back
1331 1416
1332=head2 CORE EXTENSIONS 1417=head2 CORE EXTENSIONS
1333 1418
1334Functions and methods that extend core crossfire objects. 1419Functions and methods that extend core deliantra objects.
1335 1420
1336=cut 1421=cut
1337 1422
1338package cf::player; 1423package cf::player;
1339 1424
1382 1467
1383sub exists($) { 1468sub exists($) {
1384 my ($login) = @_; 1469 my ($login) = @_;
1385 1470
1386 $cf::PLAYER{$login} 1471 $cf::PLAYER{$login}
1387 or cf::sync_job { !aio_stat path $login } 1472 or !aio_stat path $login
1388} 1473}
1389 1474
1390sub find($) { 1475sub find($) {
1391 return $cf::PLAYER{$_[0]} || do { 1476 return $cf::PLAYER{$_[0]} || do {
1392 my $login = $_[0]; 1477 my $login = $_[0];
1404 my $f = new_from_file cf::object::thawer path $login 1489 my $f = new_from_file cf::object::thawer path $login
1405 or return; 1490 or return;
1406 1491
1407 my $pl = cf::player::load_pl $f 1492 my $pl = cf::player::load_pl $f
1408 or return; 1493 or return;
1494
1409 local $cf::PLAYER_LOADING{$login} = $pl; 1495 local $cf::PLAYER_LOADING{$login} = $pl;
1410 $f->resolve_delayed_derefs; 1496 $f->resolve_delayed_derefs;
1411 $cf::PLAYER{$login} = $pl 1497 $cf::PLAYER{$login} = $pl
1412 } 1498 }
1413 } 1499 }
1423 1509
1424 return if $pl->{deny_save}; 1510 return if $pl->{deny_save};
1425 1511
1426 aio_mkdir playerdir $pl, 0770; 1512 aio_mkdir playerdir $pl, 0770;
1427 $pl->{last_save} = $cf::RUNTIME; 1513 $pl->{last_save} = $cf::RUNTIME;
1514
1515 cf::get_slot 0.01;
1428 1516
1429 $pl->save_pl ($path); 1517 $pl->save_pl ($path);
1430 cf::cede_to_tick; 1518 cf::cede_to_tick;
1431} 1519}
1432 1520
1464 my ($pl) = @_; 1552 my ($pl) = @_;
1465 1553
1466 my $name = $pl->ob->name; 1554 my $name = $pl->ob->name;
1467 1555
1468 $pl->{deny_save} = 1; 1556 $pl->{deny_save} = 1;
1469 $pl->password ("*"); # this should lock out the player until we nuked the dir 1557 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1470 1558
1471 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1559 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1472 $pl->deactivate; 1560 $pl->deactivate;
1561 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1562 $pl->ob->check_score;
1473 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1563 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1474 $pl->ns->destroy if $pl->ns; 1564 $pl->ns->destroy if $pl->ns;
1475 1565
1476 my $path = playerdir $pl; 1566 my $path = playerdir $pl;
1477 my $temp = "$path~$cf::RUNTIME~deleting~"; 1567 my $temp = "$path~$cf::RUNTIME~deleting~";
1516 1606
1517 for my $login (@$dirs) { 1607 for my $login (@$dirs) {
1518 my $path = path $login; 1608 my $path = path $login;
1519 1609
1520 # a .pst is a dead give-away for a valid player 1610 # a .pst is a dead give-away for a valid player
1521 unless (-e "$path.pst") { 1611 # if no pst file found, open and chekc for blocked users
1612 if (aio_stat "$path.pst") {
1522 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next; 1613 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1523 aio_read $fh, 0, 512, my $buf, 0 or next; 1614 aio_read $fh, 0, 512, my $buf, 0 or next;
1524 $buf !~ /^password -------------$/m or next; # official not-valid tag 1615 $buf !~ /^password -------------$/m or next; # official not-valid tag
1525 } 1616 }
1526 1617
1557 } 1648 }
1558 1649
1559 \@paths 1650 \@paths
1560} 1651}
1561 1652
1562=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1653=item $protocol_xml = $player->expand_cfpod ($cfpod)
1563 1654
1564Expand crossfire pod fragments into protocol xml. 1655Expand 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 1656
1655=item $player->ext_reply ($msgid, @msg) 1657=item $player->ext_reply ($msgid, @msg)
1656 1658
1657Sends an ext reply to the player. 1659Sends an ext reply to the player.
1658 1660
1725our $MAX_RESET = 3600; 1727our $MAX_RESET = 3600;
1726our $DEFAULT_RESET = 3000; 1728our $DEFAULT_RESET = 3000;
1727 1729
1728sub generate_random_map { 1730sub generate_random_map {
1729 my ($self, $rmp) = @_; 1731 my ($self, $rmp) = @_;
1732
1733 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1734
1730 # mit "rum" bekleckern, nicht 1735 # mit "rum" bekleckern, nicht
1731 $self->_create_random_map ( 1736 $self->_create_random_map (
1732 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1737 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1733 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1738 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1734 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1739 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1856 1861
1857# the temporary/swap location 1862# the temporary/swap location
1858sub save_path { 1863sub save_path {
1859 my ($self) = @_; 1864 my ($self) = @_;
1860 1865
1861 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1866 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1862 "$TMPDIR/$path.map" 1867 "$TMPDIR/$path.map"
1863} 1868}
1864 1869
1865# the unique path, undef == no special unique path 1870# the unique path, undef == no special unique path
1866sub uniq_path { 1871sub uniq_path {
1867 my ($self) = @_; 1872 my ($self) = @_;
1868 1873
1869 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1874 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1870 "$UNIQUEDIR/$path" 1875 "$UNIQUEDIR/$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 $_->outdoor, values %cf::MAP;
1880} 1876}
1881 1877
1882sub decay_objects { 1878sub decay_objects {
1883 my ($self) = @_; 1879 my ($self) = @_;
1884 1880
1968sub find { 1964sub find {
1969 my ($path, $origin) = @_; 1965 my ($path, $origin) = @_;
1970 1966
1971 $path = normalise $path, $origin && $origin->path; 1967 $path = normalise $path, $origin && $origin->path;
1972 1968
1973 cf::lock_wait "map_data:$path";#d#remove 1969 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1974 cf::lock_wait "map_find:$path"; 1970 my $guard2 = cf::lock_acquire "map_find:$path";
1975 1971
1976 $cf::MAP{$path} || do { 1972 $cf::MAP{$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 1973 my $map = new_from_path cf::map $path
1981 or return; 1974 or return;
1982 1975
1983 $map->{last_save} = $cf::RUNTIME; 1976 $map->{last_save} = $cf::RUNTIME;
1984 1977
1986 or return; 1979 or return;
1987 1980
1988 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 1981 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1989 # doing this can freeze the server in a sync job, obviously 1982 # doing this can freeze the server in a sync job, obviously
1990 #$cf::WAIT_FOR_TICK->wait; 1983 #$cf::WAIT_FOR_TICK->wait;
1984 undef $guard2;
1991 undef $guard1; 1985 undef $guard1;
1992 undef $guard2;
1993 $map->reset; 1986 $map->reset;
1994 return find $path; 1987 return find $path;
1995 } 1988 }
1996 1989
1997 $cf::MAP{$path} = $map 1990 $cf::MAP{$path} = $map
2024 my $f = new_from_file cf::object::thawer $self->{load_path}; 2017 my $f = new_from_file cf::object::thawer $self->{load_path};
2025 $f->skip_block; 2018 $f->skip_block;
2026 $self->_load_objects ($f) 2019 $self->_load_objects ($f)
2027 or return; 2020 or return;
2028 2021
2029 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2022 $self->post_load_original
2030 if delete $self->{load_original}; 2023 if delete $self->{load_original};
2031 2024
2032 if (my $uniq = $self->uniq_path) { 2025 if (my $uniq = $self->uniq_path) {
2033 utf8::encode $uniq; 2026 utf8::encode $uniq;
2034 unless (aio_stat $uniq) { 2027 unless (aio_stat $uniq) {
2052 unless ($self->{deny_activate}) { 2045 unless ($self->{deny_activate}) {
2053 $self->decay_objects; 2046 $self->decay_objects;
2054 $self->fix_auto_apply; 2047 $self->fix_auto_apply;
2055 $self->update_buttons; 2048 $self->update_buttons;
2056 cf::cede_to_tick; 2049 cf::cede_to_tick;
2057 $self->set_darkness_map;
2058 cf::cede_to_tick;
2059 $self->activate; 2050 $self->activate;
2060 } 2051 }
2061 2052
2062 $self->{last_save} = $cf::RUNTIME; 2053 $self->{last_save} = $cf::RUNTIME;
2063 $self->last_access ($cf::RUNTIME); 2054 $self->last_access ($cf::RUNTIME);
2064 2055
2065 $self->in_memory (cf::MAP_IN_MEMORY); 2056 $self->in_memory (cf::MAP_ACTIVE);
2066 } 2057 }
2067 2058
2068 $self->post_load; 2059 $self->post_load;
2069} 2060}
2070 2061
2128 my ($path, $origin, $load) = @_; 2119 my ($path, $origin, $load) = @_;
2129 2120
2130 $path = normalise $path, $origin && $origin->{path}; 2121 $path = normalise $path, $origin && $origin->{path};
2131 2122
2132 if (my $map = $cf::MAP{$path}) { 2123 if (my $map = $cf::MAP{$path}) {
2133 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY; 2124 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2134 } 2125 }
2135 2126
2136 $MAP_PREFETCH{$path} |= $load; 2127 $MAP_PREFETCH{$path} |= $load;
2137 2128
2138 $MAP_PREFETCHER ||= cf::async { 2129 $MAP_PREFETCHER ||= cf::async {
2175 cf::async { 2166 cf::async {
2176 $Coro::current->{desc} = "map player save"; 2167 $Coro::current->{desc} = "map player save";
2177 $_->contr->save for $self->players; 2168 $_->contr->save for $self->players;
2178 }; 2169 };
2179 2170
2171 cf::get_slot 0.02;
2172
2180 if ($uniq) { 2173 if ($uniq) {
2181 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2174 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2182 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2175 $self->_save_objects ($uniq, cf::IO_UNIQUES);
2183 } else { 2176 } else {
2184 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2177 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2192 $self->save; 2185 $self->save;
2193 2186
2194 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2187 my $lock = cf::lock_acquire "map_data:$self->{path}";
2195 2188
2196 return if $self->players; 2189 return if $self->players;
2197 return if $self->in_memory != cf::MAP_IN_MEMORY; 2190 return if $self->in_memory != cf::MAP_ACTIVE;
2198 return if $self->{deny_save}; 2191 return if $self->{deny_save};
2199 2192
2200 $self->in_memory (cf::MAP_SWAPPED); 2193 $self->in_memory (cf::MAP_SWAPPED);
2201 2194
2202 $self->deactivate; 2195 $self->deactivate;
2320 2313
2321sub unique_maps() { 2314sub unique_maps() {
2322 [ 2315 [
2323 map { 2316 map {
2324 utf8::decode $_; 2317 utf8::decode $_;
2325 /\.map$/ 2318 s/\.map$//; # TODO future compatibility hack
2319 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2320 ? ()
2326 ? normalise $_ 2321 : normalise $_
2327 : ()
2328 } @{ aio_readdir $UNIQUEDIR or [] } 2322 } @{ aio_readdir $UNIQUEDIR or [] }
2329 ] 2323 ]
2330} 2324}
2331 2325
2332package cf;
2333
2334=back 2326=back
2335 2327
2336=head3 cf::object 2328=head3 cf::object
2337 2329
2338=cut 2330=cut
2341 2333
2342=over 4 2334=over 4
2343 2335
2344=item $ob->inv_recursive 2336=item $ob->inv_recursive
2345 2337
2346Returns the inventory of the object _and_ their inventories, recursively. 2338Returns the inventory of the object I<and> their inventories, recursively,
2339but I<not> the object itself.
2347 2340
2348=cut 2341=cut
2349 2342
2350sub inv_recursive_; 2343sub inv_recursive_;
2351sub inv_recursive_ { 2344sub inv_recursive_ {
2356 inv_recursive_ inv $_[0] 2349 inv_recursive_ inv $_[0]
2357} 2350}
2358 2351
2359=item $ref = $ob->ref 2352=item $ref = $ob->ref
2360 2353
2361creates and returns a persistent reference to an objetc that can be stored as a string. 2354Creates and returns a persistent reference to an object that can be stored as a string.
2362 2355
2363=item $ob = cf::object::deref ($refstring) 2356=item $ob = cf::object::deref ($refstring)
2364 2357
2365returns the objetc referenced by refstring. may return undef when it cnanot find the object, 2358returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2366even if the object actually exists. May block. 2359even if the object actually exists. May block.
2398can be C<undef>. Does the right thing when the player is currently in a 2391can be C<undef>. Does the right thing when the player is currently in a
2399dialogue with the given NPC character. 2392dialogue with the given NPC character.
2400 2393
2401=cut 2394=cut
2402 2395
2396our $SAY_CHANNEL = {
2397 id => "say",
2398 title => "Map",
2399 reply => "say ",
2400 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2401};
2402
2403our $CHAT_CHANNEL = {
2404 id => "chat",
2405 title => "Chat",
2406 reply => "chat ",
2407 tooltip => "Player chat and shouts, global to the server.",
2408};
2409
2403# rough implementation of a future "reply" method that works 2410# rough implementation of a future "reply" method that works
2404# with dialog boxes. 2411# with dialog boxes.
2405#TODO: the first argument must go, split into a $npc->reply_to ( method 2412#TODO: the first argument must go, split into a $npc->reply_to ( method
2406sub cf::object::player::reply($$$;$) { 2413sub cf::object::player::reply($$$;$) {
2407 my ($self, $npc, $msg, $flags) = @_; 2414 my ($self, $npc, $msg, $flags) = @_;
2418 my $dialog = $pl->{npc_dialog}; 2425 my $dialog = $pl->{npc_dialog};
2419 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg)); 2426 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2420 2427
2421 } else { 2428 } else {
2422 $msg = $npc->name . " says: $msg" if $npc; 2429 $msg = $npc->name . " says: $msg" if $npc;
2423 $self->message ($msg, $flags); 2430 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2424 } 2431 }
2425 } 2432 }
2426} 2433}
2427 2434
2428=item $object->send_msg ($channel, $msg, $color, [extra...]) 2435=item $object->send_msg ($channel, $msg, $color, [extra...])
2453 2460
2454=item $player_object->enter_link 2461=item $player_object->enter_link
2455 2462
2456Freezes the player and moves him/her to a special map (C<{link}>). 2463Freezes the player and moves him/her to a special map (C<{link}>).
2457 2464
2458The player should be reasonably safe there for short amounts of time. You 2465The player should be reasonably safe there for short amounts of time (e.g.
2459I<MUST> call C<leave_link> as soon as possible, though. 2466for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2467though, as the palyer cannot control the character while it is on the link
2468map.
2460 2469
2461Will never block. 2470Will never block.
2462 2471
2463=item $player_object->leave_link ($map, $x, $y) 2472=item $player_object->leave_link ($map, $x, $y)
2464 2473
2522 2531
2523 $map->load; 2532 $map->load;
2524 $map->load_neighbours; 2533 $map->load_neighbours;
2525 2534
2526 return unless $self->contr->active; 2535 return unless $self->contr->active;
2527 $self->activate_recursive;
2528 2536
2529 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2537 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2530 $self->enter_map ($map, $x, $y); 2538 $self->enter_map ($map, $x, $y);
2539
2540 # only activate afterwards, to support waiting in hooks
2541 $self->activate_recursive;
2531} 2542}
2532 2543
2533=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]]) 2544=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2534 2545
2535Moves the player to the given map-path and coordinates by first freezing 2546Moves the player to the given map-path and coordinates by first freezing
2536her, loading and preparing them map, calling the provided $check callback 2547her, loading and preparing them map, calling the provided $check callback
2537that has to return the map if sucecssful, and then unfreezes the player on 2548that 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 2549the new (success) or old (failed) map position. In either case, $done will
2539be called at the end of this process. 2550be called at the end of this process.
2551
2552Note that $check will be called with a potentially non-loaded map, so if
2553it needs a loaded map it has to call C<< ->load >>.
2540 2554
2541=cut 2555=cut
2542 2556
2543our $GOTOGEN; 2557our $GOTOGEN;
2544 2558
2623} 2637}
2624 2638
2625sub prepare_random_map { 2639sub prepare_random_map {
2626 my ($exit) = @_; 2640 my ($exit) = @_;
2627 2641
2628 my $guard = cf::lock_acquire "exit_prepare:$exit";
2629
2630 # all this does is basically replace the /! path by 2642 # all this does is basically replace the /! path by
2631 # a new random map path (?random/...) with a seed 2643 # a new random map path (?random/...) with a seed
2632 # that depends on the exit object 2644 # that depends on the exit object
2633 2645
2634 my $rmp = parse_random_map_params $exit->msg; 2646 my $rmp = parse_random_map_params $exit->msg;
2636 if ($exit->map) { 2648 if ($exit->map) {
2637 $rmp->{region} = $exit->region->name; 2649 $rmp->{region} = $exit->region->name;
2638 $rmp->{origin_map} = $exit->map->path; 2650 $rmp->{origin_map} = $exit->map->path;
2639 $rmp->{origin_x} = $exit->x; 2651 $rmp->{origin_x} = $exit->x;
2640 $rmp->{origin_y} = $exit->y; 2652 $rmp->{origin_y} = $exit->y;
2653
2654 $exit->map->touch;
2641 } 2655 }
2642 2656
2643 $rmp->{random_seed} ||= $exit->random_seed; 2657 $rmp->{random_seed} ||= $exit->random_seed;
2644 2658
2645 my $data = cf::encode_json $rmp; 2659 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2646 my $md5 = Digest::MD5::md5_hex $data; 2660 my $md5 = Digest::MD5::md5_hex $data;
2647 my $meta = "$RANDOMDIR/$md5.meta"; 2661 my $meta = "$RANDOMDIR/$md5.meta";
2648 2662
2649 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2663 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2650 aio_write $fh, 0, (length $data), $data, 0; 2664 aio_write $fh, 0, (length $data), $data, 0;
2651 undef $fh; 2665 undef $fh;
2652 aio_rename "$meta~", $meta; 2666 aio_rename "$meta~", $meta;
2653 2667
2668 my $slaying = "?random/$md5";
2669
2670 if ($exit->valid) {
2654 $exit->slaying ("?random/$md5"); 2671 $exit->slaying ("?random/$md5");
2655 $exit->msg (undef); 2672 $exit->msg (undef);
2673 }
2656 } 2674 }
2657} 2675}
2658 2676
2659sub cf::object::player::enter_exit { 2677sub cf::object::player::enter_exit {
2660 my ($self, $exit) = @_; 2678 my ($self, $exit) = @_;
2661 2679
2662 return unless $self->type == cf::PLAYER; 2680 return unless $self->type == cf::PLAYER;
2663 2681
2664 if ($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; 2682 $self->enter_link;
2676 2683
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 { 2684 (async {
2682 $Coro::current->{desc} = "enter_exit $slaying $hp $sp"; 2685 $Coro::current->{desc} = "enter_exit";
2683 2686
2684 $self->deactivate_recursive; # just to be sure
2685 unless (eval { 2687 unless (eval {
2688 $self->deactivate_recursive; # just to be sure
2689
2690 # random map handling
2691 {
2692 my $guard = cf::lock_acquire "exit_prepare:$exit";
2693
2694 prepare_random_map $exit
2695 if $exit->slaying eq "/!";
2696 }
2697
2698 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2699 my $x = $exit->stats->hp;
2700 my $y = $exit->stats->sp;
2701
2686 $self->goto ($slaying, $hp, $sp); 2702 $self->goto ($map, $x, $y);
2687 2703
2704 # if exit is damned, update players death & WoR home-position
2705 $self->contr->savebed ($map, $x, $y)
2706 if $exit->flag (cf::FLAG_DAMNED);
2707
2688 1; 2708 1
2689 }) { 2709 }) {
2690 $self->message ("Something went wrong deep within the crossfire server. " 2710 $self->message ("Something went wrong deep within the deliantra server. "
2691 . "I'll try to bring you back to the map you were before. " 2711 . "I'll try to bring you back to the map you were before. "
2692 . "Please report this to the dungeon master!", 2712 . "Please report this to the dungeon master!",
2693 cf::NDI_UNIQUE | cf::NDI_RED); 2713 cf::NDI_UNIQUE | cf::NDI_RED);
2694 2714
2695 warn "ERROR in enter_exit: $@"; 2715 warn "ERROR in enter_exit: $@";
2761 id => "infobox", 2781 id => "infobox",
2762 title => "Body Parts", 2782 title => "Body Parts",
2763 reply => undef, 2783 reply => undef,
2764 tooltip => "Shows which body parts you posess and are available", 2784 tooltip => "Shows which body parts you posess and are available",
2765 }, 2785 },
2786 "c/statistics" => {
2787 id => "infobox",
2788 title => "Statistics",
2789 reply => undef,
2790 tooltip => "Shows your primary statistics",
2791 },
2792 "c/skills" => {
2793 id => "infobox",
2794 title => "Skills",
2795 reply => undef,
2796 tooltip => "Shows your experience per skill and item power",
2797 },
2798 "c/shopitems" => {
2799 id => "infobox",
2800 title => "Shop Items",
2801 reply => undef,
2802 tooltip => "Shows the items currently for sale in this shop",
2803 },
2804 "c/resistances" => {
2805 id => "infobox",
2806 title => "Resistances",
2807 reply => undef,
2808 tooltip => "Shows your resistances",
2809 },
2810 "c/pets" => {
2811 id => "infobox",
2812 title => "Pets",
2813 reply => undef,
2814 tooltip => "Shows information abotu your pets/a specific pet",
2815 },
2816 "c/perceiveself" => {
2817 id => "infobox",
2818 title => "Perceive Self",
2819 reply => undef,
2820 tooltip => "You gained detailed knowledge about yourself",
2821 },
2766 "c/uptime" => { 2822 "c/uptime" => {
2767 id => "infobox", 2823 id => "infobox",
2768 title => "Uptime", 2824 title => "Uptime",
2769 reply => undef, 2825 reply => undef,
2770 tooltip => "How long the server has been running since last restart", 2826 tooltip => "How long the server has been running since last restart",
2773 id => "infobox", 2829 id => "infobox",
2774 title => "Map Info", 2830 title => "Map Info",
2775 reply => undef, 2831 reply => undef,
2776 tooltip => "Information related to the maps", 2832 tooltip => "Information related to the maps",
2777 }, 2833 },
2834 "c/party" => {
2835 id => "party",
2836 title => "Party",
2837 reply => "gsay ",
2838 tooltip => "Messages and chat related to your party",
2839 },
2840 "c/death" => {
2841 id => "death",
2842 title => "Death",
2843 reply => undef,
2844 tooltip => "Reason for and more info about your most recent death",
2845 },
2846 "c/say" => $SAY_CHANNEL,
2847 "c/chat" => $CHAT_CHANNEL,
2778); 2848);
2779 2849
2780sub cf::client::send_msg { 2850sub cf::client::send_msg {
2781 my ($self, $channel, $msg, $color, @extra) = @_; 2851 my ($self, $channel, $msg, $color, @extra) = @_;
2782 2852
2783 $msg = $self->pl->expand_cfpod ($msg); 2853 $msg = $self->pl->expand_cfpod ($msg)
2854 unless $color & cf::NDI_VERBATIM;
2784 2855
2785 $color &= cf::NDI_CLIENT_MASK; # just in case... 2856 $color &= cf::NDI_CLIENT_MASK; # just in case...
2786 2857
2787 # check predefined channels, for the benefit of C 2858 # check predefined channels, for the benefit of C
2788 if ($CHANNEL{$channel}) { 2859 if ($CHANNEL{$channel}) {
2789 $channel = $CHANNEL{$channel}; 2860 $channel = $CHANNEL{$channel};
2790 2861
2791 $self->ext_msg (channel_info => $channel) 2862 $self->ext_msg (channel_info => $channel);
2792 if $self->can_msg;
2793
2794 $channel = $channel->{id}; 2863 $channel = $channel->{id};
2795 2864
2796 } elsif (ref $channel) { 2865 } elsif (ref $channel) {
2797 # send meta info to client, if not yet sent 2866 # send meta info to client, if not yet sent
2798 unless (exists $self->{channel}{$channel->{id}}) { 2867 unless (exists $self->{channel}{$channel->{id}}) {
2799 $self->{channel}{$channel->{id}} = $channel; 2868 $self->{channel}{$channel->{id}} = $channel;
2800 $self->ext_msg (channel_info => $channel) 2869 $self->ext_msg (channel_info => $channel);
2801 if $self->can_msg;
2802 } 2870 }
2803 2871
2804 $channel = $channel->{id}; 2872 $channel = $channel->{id};
2805 } 2873 }
2806 2874
2807 return unless @extra || length $msg; 2875 return unless @extra || length $msg;
2808 2876
2809 if ($self->can_msg) {
2810 # default colour, mask it out 2877 # default colour, mask it out
2811 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF) 2878 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2812 if $color & cf::NDI_DEF; 2879 if $color & cf::NDI_DEF;
2813 2880
2814 $self->send_packet ("msg " . $self->{json_coder}->encode ( 2881 my $pkt = "msg "
2882 . $self->{json_coder}->encode (
2815 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra])); 2883 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2816 } else { 2884 );
2817 if ($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 2885
2828 $color &= cf::NDI_COLOR_MASK; 2886 # try lzf for large packets
2887 $pkt = "lzf " . Compress::LZF::compress $pkt
2888 if 1024 <= length $pkt and $self->{can_lzf};
2829 2889
2830 utf8::encode $msg; 2890 # split very large packets
2831 2891 if (8192 < length $pkt and $self->{can_lzf}) {
2832 if (0 && $msg =~ /\[/) { 2892 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2833 # COMMAND/INFO 2893 $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 } 2894 }
2895
2896 $self->send_packet ($pkt);
2841} 2897}
2842 2898
2843=item $client->ext_msg ($type, @msg) 2899=item $client->ext_msg ($type, @msg)
2844 2900
2845Sends an ext event to the client. 2901Sends an ext event to the client.
3019 3075
3020The following functions and methods are available within a safe environment: 3076The following functions and methods are available within a safe environment:
3021 3077
3022 cf::object 3078 cf::object
3023 contr pay_amount pay_player map x y force_find force_add destroy 3079 contr pay_amount pay_player map x y force_find force_add destroy
3024 insert remove name archname title slaying race decrease_ob_nr 3080 insert remove name archname title slaying race decrease split
3081 value
3025 3082
3026 cf::object::player 3083 cf::object::player
3027 player 3084 player
3028 3085
3029 cf::player 3086 cf::player
3034 3091
3035=cut 3092=cut
3036 3093
3037for ( 3094for (
3038 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3095 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3039 insert remove inv name archname title slaying race 3096 insert remove inv nrof name archname title slaying race
3040 decrease_ob_nr destroy)], 3097 decrease split destroy change_exp value msg lore send_msg)],
3041 ["cf::object::player" => qw(player)], 3098 ["cf::object::player" => qw(player)],
3042 ["cf::player" => qw(peaceful)], 3099 ["cf::player" => qw(peaceful send_msg)],
3043 ["cf::map" => qw(trigger)], 3100 ["cf::map" => qw(trigger)],
3044) { 3101) {
3045 no strict 'refs'; 3102 no strict 'refs';
3046 my ($pkg, @funs) = @$_; 3103 my ($pkg, @funs) = @$_;
3047 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3104 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3064 my ($code, %vars) = @_; 3121 my ($code, %vars) = @_;
3065 3122
3066 my $qcode = $code; 3123 my $qcode = $code;
3067 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3124 $qcode =~ s/"/‟/g; # not allowed in #line filenames
3068 $qcode =~ s/\n/\\n/g; 3125 $qcode =~ s/\n/\\n/g;
3126
3127 %vars = (_dummy => 0) unless %vars;
3069 3128
3070 local $_; 3129 local $_;
3071 local @safe::cf::_safe_eval_args = values %vars; 3130 local @safe::cf::_safe_eval_args = values %vars;
3072 3131
3073 my $eval = 3132 my $eval =
3253 while (my ($k, $v) = each %$want) { 3312 while (my ($k, $v) = each %$want) {
3254 $ns->fx_want ($k, $v); 3313 $ns->fx_want ($k, $v);
3255 } 3314 }
3256}; 3315};
3257 3316
3317sub load_resource_file($) {
3318 my $guard = lock_acquire "load_resource_file";
3319
3320 my $status = load_resource_file_ $_[0];
3321 get_slot 0.1, 100;
3322 cf::arch::commit_load;
3323
3324 $status
3325}
3326
3258sub reload_regions { 3327sub reload_regions {
3259 # HACK to clear player env face cache, we need some signal framework 3328 # HACK to clear player env face cache, we need some signal framework
3260 # for this (global event?) 3329 # for this (global event?)
3261 %ext::player_env::MUSIC_FACE_CACHE = (); 3330 %ext::player_env::MUSIC_FACE_CACHE = ();
3262 3331
3275} 3344}
3276 3345
3277sub reload_archetypes { 3346sub reload_archetypes {
3278 load_resource_file "$DATADIR/archetypes" 3347 load_resource_file "$DATADIR/archetypes"
3279 or die "unable to load archetypes\n"; 3348 or die "unable to load archetypes\n";
3280 #d# NEED to laod twice to resolve forward references
3281 # this really needs to be done in an extra post-pass
3282 # (which needs to be synchronous, so solve it differently)
3283 load_resource_file "$DATADIR/archetypes"
3284 or die "unable to load archetypes\n";
3285} 3349}
3286 3350
3287sub reload_treasures { 3351sub reload_treasures {
3288 load_resource_file "$DATADIR/treasures" 3352 load_resource_file "$DATADIR/treasures"
3289 or die "unable to load treasurelists\n"; 3353 or die "unable to load treasurelists\n";
3290} 3354}
3291 3355
3292sub reload_resources { 3356sub reload_resources {
3293 warn "reloading resource files...\n"; 3357 warn "reloading resource files...\n";
3294 3358
3359 reload_facedata;
3360 reload_archetypes;
3295 reload_regions; 3361 reload_regions;
3296 reload_facedata;
3297 #reload_archetypes;#d#
3298 reload_archetypes;
3299 reload_treasures; 3362 reload_treasures;
3300 3363
3301 warn "finished reloading resource files\n"; 3364 warn "finished reloading resource files\n";
3302}
3303
3304sub init {
3305 reload_resources;
3306} 3365}
3307 3366
3308sub reload_config { 3367sub reload_config {
3309 open my $fh, "<:utf8", "$CONFDIR/config" 3368 open my $fh, "<:utf8", "$CONFDIR/config"
3310 or return; 3369 or return;
3311 3370
3312 local $/; 3371 local $/;
3313 *CFG = YAML::Syck::Load <$fh>; 3372 *CFG = YAML::Load <$fh>;
3314 3373
3315 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3374 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3316 3375
3317 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3376 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3318 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3377 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3324 }; 3383 };
3325 warn $@ if $@; 3384 warn $@ if $@;
3326 } 3385 }
3327} 3386}
3328 3387
3388sub pidfile() {
3389 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3390 or die "$PIDFILE: $!";
3391 flock $fh, &Fcntl::LOCK_EX
3392 or die "$PIDFILE: flock: $!";
3393 $fh
3394}
3395
3396# make sure only one server instance is running at any one time
3397sub atomic {
3398 my $fh = pidfile;
3399
3400 my $pid = <$fh>;
3401 kill 9, $pid if $pid > 0;
3402
3403 seek $fh, 0, 0;
3404 print $fh $$;
3405}
3406
3407sub main_loop {
3408 warn "EV::loop starting\n";
3409 if (1) {
3410 EV::loop;
3411 }
3412 warn "EV::loop returned\n";
3413 goto &main_loop unless $REALLY_UNLOOP;
3414}
3415
3329sub main { 3416sub main {
3417 cf::init_globals; # initialise logging
3418
3419 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3420 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3421 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3422 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3423
3424 cf::init_experience;
3425 cf::init_anim;
3426 cf::init_attackmess;
3427 cf::init_dynamic;
3428
3429 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3430
3330 # we must not ever block the main coroutine 3431 # we must not ever block the main coroutine
3331 local $Coro::idle = sub { 3432 local $Coro::idle = sub {
3332 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3433 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3333 (async { 3434 (async {
3334 $Coro::current->{desc} = "IDLE BUG HANDLER"; 3435 $Coro::current->{desc} = "IDLE BUG HANDLER";
3335 EV::loop EV::LOOP_ONESHOT; 3436 EV::loop EV::LOOP_ONESHOT;
3336 })->prio (Coro::PRIO_MAX); 3437 })->prio (Coro::PRIO_MAX);
3337 }; 3438 };
3338 3439
3440 evthread_start IO::AIO::poll_fileno;
3441
3442 cf::sync_job {
3443 reload_resources;
3339 reload_config; 3444 reload_config;
3340 db_init; 3445 db_init;
3446
3447 cf::load_settings;
3448 cf::load_materials;
3449 cf::init_uuid;
3450 cf::init_signals;
3451 cf::init_commands;
3452 cf::init_skills;
3453
3454 cf::init_beforeplay;
3455
3456 atomic;
3457
3341 load_extensions; 3458 load_extensions;
3342 3459
3343 $TICK_WATCHER->start; 3460 utime time, time, $RUNTIMEFILE;
3344 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority 3461
3345 EV::loop; 3462 # no (long-running) fork's whatsoever before this point(!)
3463 use POSIX ();
3464 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3465
3466 (pop @POST_INIT)->(0) while @POST_INIT;
3467 };
3468
3469 main_loop;
3346} 3470}
3347 3471
3348############################################################################# 3472#############################################################################
3349# initialisation and cleanup 3473# initialisation and cleanup
3350 3474
3356 cf::cleanup "SIG$signal"; 3480 cf::cleanup "SIG$signal";
3357 }; 3481 };
3358 } 3482 }
3359} 3483}
3360 3484
3361sub write_runtime { 3485sub write_runtime_sync {
3362 my $runtime = "$LOCALDIR/runtime";
3363
3364 # first touch the runtime file to show we are still running: 3486 # first touch the runtime file to show we are still running:
3365 # the fsync below can take a very very long time. 3487 # the fsync below can take a very very long time.
3366 3488
3367 IO::AIO::aio_utime $runtime, undef, undef; 3489 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3368 3490
3369 my $guard = cf::lock_acquire "write_runtime"; 3491 my $guard = cf::lock_acquire "write_runtime";
3370 3492
3371 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3493 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3372 or return; 3494 or return;
3373 3495
3374 my $value = $cf::RUNTIME + 90 + 10; 3496 my $value = $cf::RUNTIME + 90 + 10;
3375 # 10 is the runtime save interval, for a monotonic clock 3497 # 10 is the runtime save interval, for a monotonic clock
3376 # 60 allows for the watchdog to kill the server. 3498 # 60 allows for the watchdog to kill the server.
3386 aio_utime $fh, undef, undef; 3508 aio_utime $fh, undef, undef;
3387 3509
3388 close $fh 3510 close $fh
3389 or return; 3511 or return;
3390 3512
3391 aio_rename "$runtime~", $runtime 3513 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3392 and return; 3514 and return;
3393 3515
3394 warn "runtime file written.\n"; 3516 warn "runtime file written.\n";
3395 3517
3396 1 3518 1
3519}
3520
3521our $uuid_lock;
3522our $uuid_skip;
3523
3524sub write_uuid_sync($) {
3525 $uuid_skip ||= $_[0];
3526
3527 return if $uuid_lock;
3528 local $uuid_lock = 1;
3529
3530 my $uuid = "$LOCALDIR/uuid";
3531
3532 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3533 or return;
3534
3535 my $value = uuid_seq uuid_cur;
3536
3537 unless ($value) {
3538 warn "cowardly refusing to write zero uuid value!\n";
3539 return;
3540 }
3541
3542 my $value = uuid_str $value + $uuid_skip;
3543 $uuid_skip = 0;
3544
3545 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3546 and return;
3547
3548 # always fsync - this file is important
3549 aio_fsync $fh
3550 and return;
3551
3552 close $fh
3553 or return;
3554
3555 aio_rename "$uuid~", $uuid
3556 and return;
3557
3558 warn "uuid file written ($value).\n";
3559
3560 1
3561
3562}
3563
3564sub write_uuid($$) {
3565 my ($skip, $sync) = @_;
3566
3567 $sync ? write_uuid_sync $skip
3568 : async { write_uuid_sync $skip };
3397} 3569}
3398 3570
3399sub emergency_save() { 3571sub emergency_save() {
3400 my $freeze_guard = cf::freeze_mainloop; 3572 my $freeze_guard = cf::freeze_mainloop;
3401 3573
3402 warn "enter emergency perl save\n"; 3574 warn "emergency_perl_save: enter\n";
3403 3575
3404 cf::sync_job { 3576 cf::sync_job {
3577 # this is a trade-off: we want to be very quick here, so
3578 # save all maps without fsync, and later call a global sync
3579 # (which in turn might be very very slow)
3580 local $USE_FSYNC = 0;
3581
3405 # use a peculiar iteration method to avoid tripping on perl 3582 # use a peculiar iteration method to avoid tripping on perl
3406 # refcount bugs in for. also avoids problems with players 3583 # refcount bugs in for. also avoids problems with players
3407 # and maps saved/destroyed asynchronously. 3584 # and maps saved/destroyed asynchronously.
3408 warn "begin emergency player save\n"; 3585 warn "emergency_perl_save: begin player save\n";
3409 for my $login (keys %cf::PLAYER) { 3586 for my $login (keys %cf::PLAYER) {
3410 my $pl = $cf::PLAYER{$login} or next; 3587 my $pl = $cf::PLAYER{$login} or next;
3411 $pl->valid or next; 3588 $pl->valid or next;
3412 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt 3589 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3413 $pl->save; 3590 $pl->save;
3414 } 3591 }
3415 warn "end emergency player save\n"; 3592 warn "emergency_perl_save: end player save\n";
3416 3593
3417 warn "begin emergency map save\n"; 3594 warn "emergency_perl_save: begin map save\n";
3418 for my $path (keys %cf::MAP) { 3595 for my $path (keys %cf::MAP) {
3419 my $map = $cf::MAP{$path} or next; 3596 my $map = $cf::MAP{$path} or next;
3420 $map->valid or next; 3597 $map->valid or next;
3421 $map->save; 3598 $map->save;
3422 } 3599 }
3423 warn "end emergency map save\n"; 3600 warn "emergency_perl_save: end map save\n";
3424 3601
3425 warn "begin emergency database checkpoint\n"; 3602 warn "emergency_perl_save: begin database checkpoint\n";
3426 BDB::db_env_txn_checkpoint $DB_ENV; 3603 BDB::db_env_txn_checkpoint $DB_ENV;
3427 warn "end emergency database checkpoint\n"; 3604 warn "emergency_perl_save: end database checkpoint\n";
3605
3606 warn "emergency_perl_save: begin write uuid\n";
3607 write_uuid_sync 1;
3608 warn "emergency_perl_save: end write uuid\n";
3428 }; 3609 };
3429 3610
3611 warn "emergency_perl_save: starting sync()\n";
3612 IO::AIO::aio_sync sub {
3613 warn "emergency_perl_save: finished sync()\n";
3614 };
3615
3430 warn "leave emergency perl save\n"; 3616 warn "emergency_perl_save: leave\n";
3431} 3617}
3432 3618
3433sub post_cleanup { 3619sub post_cleanup {
3434 my ($make_core) = @_; 3620 my ($make_core) = @_;
3435 3621
3436 warn Carp::longmess "post_cleanup backtrace" 3622 warn Carp::longmess "post_cleanup backtrace"
3437 if $make_core; 3623 if $make_core;
3624
3625 my $fh = pidfile;
3626 unlink $PIDFILE if <$fh> == $$;
3627}
3628
3629# a safer delete_package, copied from Symbol
3630sub clear_package($) {
3631 my $pkg = shift;
3632
3633 # expand to full symbol table name if needed
3634 unless ($pkg =~ /^main::.*::$/) {
3635 $pkg = "main$pkg" if $pkg =~ /^::/;
3636 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3637 $pkg .= '::' unless $pkg =~ /::$/;
3638 }
3639
3640 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3641 my $stem_symtab = *{$stem}{HASH};
3642
3643 defined $stem_symtab and exists $stem_symtab->{$leaf}
3644 or return;
3645
3646 # clear all symbols
3647 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3648 for my $name (keys %$leaf_symtab) {
3649 _gv_clear *{"$pkg$name"};
3650# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3651 }
3652 warn "cleared package $pkg\n";#d#
3438} 3653}
3439 3654
3440sub do_reload_perl() { 3655sub do_reload_perl() {
3441 # can/must only be called in main 3656 # can/must only be called in main
3442 if ($Coro::current != $Coro::main) { 3657 if ($Coro::current != $Coro::main) {
3443 warn "can only reload from main coroutine"; 3658 warn "can only reload from main coroutine";
3444 return; 3659 return;
3445 } 3660 }
3446 3661
3662 return if $RELOAD++;
3663
3664 my $t1 = EV::time;
3665
3666 while ($RELOAD) {
3447 warn "reloading..."; 3667 warn "reloading...";
3448 3668
3449 warn "entering sync_job"; 3669 warn "entering sync_job";
3450 3670
3451 cf::sync_job { 3671 cf::sync_job {
3452 cf::write_runtime; # external watchdog should not bark 3672 cf::write_runtime_sync; # external watchdog should not bark
3453 cf::emergency_save; 3673 cf::emergency_save;
3454 cf::write_runtime; # external watchdog should not bark 3674 cf::write_runtime_sync; # external watchdog should not bark
3455 3675
3456 warn "syncing database to disk"; 3676 warn "syncing database to disk";
3457 BDB::db_env_txn_checkpoint $DB_ENV; 3677 BDB::db_env_txn_checkpoint $DB_ENV;
3458 3678
3459 # if anything goes wrong in here, we should simply crash as we already saved 3679 # if anything goes wrong in here, we should simply crash as we already saved
3460 3680
3461 warn "flushing outstanding aio requests"; 3681 warn "flushing outstanding aio requests";
3462 for (;;) {
3463 BDB::flush;
3464 IO::AIO::flush;
3465 Coro::cede_notself;
3466 last unless IO::AIO::nreqs || BDB::nreqs; 3682 while (IO::AIO::nreqs || BDB::nreqs) {
3467 warn "iterate..."; 3683 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3468 }
3469
3470 ++$RELOAD;
3471
3472 warn "cancelling all extension coros";
3473 $_->cancel for values %EXT_CORO;
3474 %EXT_CORO = ();
3475
3476 warn "removing commands";
3477 %COMMAND = ();
3478
3479 warn "removing ext/exti commands";
3480 %EXTCMD = ();
3481 %EXTICMD = ();
3482
3483 warn "unloading/nuking all extensions";
3484 for my $pkg (@EXTS) {
3485 warn "... unloading $pkg";
3486
3487 if (my $cb = $pkg->can ("unload")) {
3488 eval {
3489 $cb->($pkg);
3490 1
3491 } or warn "$pkg unloaded, but with errors: $@";
3492 } 3684 }
3493 3685
3494 warn "... nuking $pkg"; 3686 warn "cancelling all extension coros";
3495 Symbol::delete_package $pkg; 3687 $_->cancel for values %EXT_CORO;
3496 } 3688 %EXT_CORO = ();
3497 3689
3498 warn "unloading all perl modules loaded from $LIBDIR"; 3690 warn "removing commands";
3499 while (my ($k, $v) = each %INC) { 3691 %COMMAND = ();
3500 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3501 3692
3693 warn "removing ext/exti commands";
3694 %EXTCMD = ();
3695 %EXTICMD = ();
3696
3697 warn "unloading/nuking all extensions";
3698 for my $pkg (@EXTS) {
3502 warn "... unloading $k"; 3699 warn "... unloading $pkg";
3503 delete $INC{$k};
3504 3700
3505 $k =~ s/\.pm$//;
3506 $k =~ s/\//::/g;
3507
3508 if (my $cb = $k->can ("unload_module")) { 3701 if (my $cb = $pkg->can ("unload")) {
3702 eval {
3509 $cb->(); 3703 $cb->($pkg);
3704 1
3705 } or warn "$pkg unloaded, but with errors: $@";
3706 }
3707
3708 warn "... clearing $pkg";
3709 clear_package $pkg;
3510 } 3710 }
3511 3711
3512 Symbol::delete_package $k; 3712 warn "unloading all perl modules loaded from $LIBDIR";
3713 while (my ($k, $v) = each %INC) {
3714 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3715
3716 warn "... unloading $k";
3717 delete $INC{$k};
3718
3719 $k =~ s/\.pm$//;
3720 $k =~ s/\//::/g;
3721
3722 if (my $cb = $k->can ("unload_module")) {
3723 $cb->();
3724 }
3725
3726 clear_package $k;
3513 } 3727 }
3514 3728
3515 warn "getting rid of safe::, as good as possible"; 3729 warn "getting rid of safe::, as good as possible";
3516 Symbol::delete_package "safe::$_" 3730 clear_package "safe::$_"
3517 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3731 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3518 3732
3519 warn "unloading cf.pm \"a bit\""; 3733 warn "unloading cf.pm \"a bit\"";
3520 delete $INC{"cf.pm"}; 3734 delete $INC{"cf.pm"};
3521 delete $INC{"cf/pod.pm"}; 3735 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3522 3736
3523 # don't, removes xs symbols, too, 3737 # don't, removes xs symbols, too,
3524 # and global variables created in xs 3738 # and global variables created in xs
3525 #Symbol::delete_package __PACKAGE__; 3739 #clear_package __PACKAGE__;
3526 3740
3527 warn "unload completed, starting to reload now"; 3741 warn "unload completed, starting to reload now";
3528 3742
3529 warn "reloading cf.pm"; 3743 warn "reloading cf.pm";
3530 require cf; 3744 require cf;
3531 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3745 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3532 3746
3533 warn "loading config and database again"; 3747 warn "loading config and database again";
3534 cf::reload_config; 3748 cf::reload_config;
3535 3749
3536 warn "loading extensions"; 3750 warn "loading extensions";
3537 cf::load_extensions; 3751 cf::load_extensions;
3538 3752
3753 if ($REATTACH_ON_RELOAD) {
3539 warn "reattaching attachments to objects/players"; 3754 warn "reattaching attachments to objects/players";
3540 _global_reattach; # objects, sockets 3755 _global_reattach; # objects, sockets
3541 warn "reattaching attachments to maps"; 3756 warn "reattaching attachments to maps";
3542 reattach $_ for values %MAP; 3757 reattach $_ for values %MAP;
3543 warn "reattaching attachments to players"; 3758 warn "reattaching attachments to players";
3544 reattach $_ for values %PLAYER; 3759 reattach $_ for values %PLAYER;
3760 }
3545 3761
3762 warn "running post_init jobs";
3763 (pop @POST_INIT)->(1) while @POST_INIT;
3764
3546 warn "leaving sync_job"; 3765 warn "leaving sync_job";
3547 3766
3548 1 3767 1
3549 } or do { 3768 } or do {
3550 warn $@; 3769 warn $@;
3551 warn "error while reloading, exiting."; 3770 cf::cleanup "error while reloading, exiting.";
3552 exit 1;
3553 }; 3771 };
3554 3772
3555 warn "reloaded"; 3773 warn "reloaded";
3774 --$RELOAD;
3775 }
3776
3777 $t1 = EV::time - $t1;
3778 warn "reload completed in ${t1}s\n";
3556}; 3779};
3557 3780
3558our $RELOAD_WATCHER; # used only during reload 3781our $RELOAD_WATCHER; # used only during reload
3559 3782
3560sub reload_perl() { 3783sub reload_perl() {
3561 # doing reload synchronously and two reloads happen back-to-back, 3784 # doing reload synchronously and two reloads happen back-to-back,
3562 # coro crashes during coro_state_free->destroy here. 3785 # coro crashes during coro_state_free->destroy here.
3563 3786
3787 $RELOAD_WATCHER ||= cf::async {
3788 Coro::AIO::aio_wait cache_extensions;
3789
3564 $RELOAD_WATCHER ||= EV::timer 0, 0, sub { 3790 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3791 do_reload_perl;
3565 undef $RELOAD_WATCHER; 3792 undef $RELOAD_WATCHER;
3566 do_reload_perl; 3793 };
3567 }; 3794 };
3568} 3795}
3569 3796
3570register_command "reload" => sub { 3797register_command "reload" => sub {
3571 my ($who, $arg) = @_; 3798 my ($who, $arg) = @_;
3585 3812
3586our @WAIT_FOR_TICK; 3813our @WAIT_FOR_TICK;
3587our @WAIT_FOR_TICK_BEGIN; 3814our @WAIT_FOR_TICK_BEGIN;
3588 3815
3589sub wait_for_tick { 3816sub wait_for_tick {
3590 return unless $TICK_WATCHER->is_active;
3591 return if $Coro::current == $Coro::main; 3817 return if tick_inhibit || $Coro::current == $Coro::main;
3592 3818
3593 my $signal = new Coro::Signal; 3819 my $signal = new Coro::Signal;
3594 push @WAIT_FOR_TICK, $signal; 3820 push @WAIT_FOR_TICK, $signal;
3595 $signal->wait; 3821 $signal->wait;
3596} 3822}
3597 3823
3598sub wait_for_tick_begin { 3824sub wait_for_tick_begin {
3599 return unless $TICK_WATCHER->is_active;
3600 return if $Coro::current == $Coro::main; 3825 return if tick_inhibit || $Coro::current == $Coro::main;
3601 3826
3602 my $signal = new Coro::Signal; 3827 my $signal = new Coro::Signal;
3603 push @WAIT_FOR_TICK_BEGIN, $signal; 3828 push @WAIT_FOR_TICK_BEGIN, $signal;
3604 $signal->wait; 3829 $signal->wait;
3605} 3830}
3606 3831
3607$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub { 3832sub tick {
3608 if ($Coro::current != $Coro::main) { 3833 if ($Coro::current != $Coro::main) {
3609 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3834 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3610 unless ++$bug_warning > 10; 3835 unless ++$bug_warning > 10;
3611 return; 3836 return;
3612 } 3837 }
3613 3838
3614 $NOW = $tick_start = EV::now;
3615
3616 cf::server_tick; # one server iteration 3839 cf::server_tick; # one server iteration
3617
3618 $RUNTIME += $TICK;
3619 $NEXT_TICK = $_[0]->at;
3620 3840
3621 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3841 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3622 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.; 3842 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3623 Coro::async_pool { 3843 Coro::async_pool {
3624 $Coro::current->{desc} = "runtime saver"; 3844 $Coro::current->{desc} = "runtime saver";
3625 write_runtime 3845 write_runtime_sync
3626 or warn "ERROR: unable to write runtime file: $!"; 3846 or warn "ERROR: unable to write runtime file: $!";
3627 }; 3847 };
3628 } 3848 }
3629 3849
3630 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3850 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3632 } 3852 }
3633 while (my $sig = shift @WAIT_FOR_TICK) { 3853 while (my $sig = shift @WAIT_FOR_TICK) {
3634 $sig->send; 3854 $sig->send;
3635 } 3855 }
3636 3856
3637 $LOAD = ($NOW - $tick_start) / $TICK; 3857 $LOAD = ($NOW - $TICK_START) / $TICK;
3638 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3858 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3639 3859
3640 _post_tick; 3860 if (0) {
3641}; 3861 if ($NEXT_TICK) {
3642$TICK_WATCHER->priority (EV::MAXPRI); 3862 my $jitter = $TICK_START - $NEXT_TICK;
3863 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3864 warn "jitter $JITTER\n";#d#
3865 }
3866 }
3867}
3643 3868
3644{ 3869{
3645 # configure BDB 3870 # configure BDB
3646 3871
3647 BDB::min_parallel 8; 3872 BDB::min_parallel 8;
3648 BDB::max_poll_reqs $TICK * 0.1; 3873 BDB::max_poll_reqs $TICK * 0.1;
3649 $Coro::BDB::WATCHER->priority (1); 3874 $AnyEvent::BDB::WATCHER->priority (1);
3650 3875
3651 unless ($DB_ENV) { 3876 unless ($DB_ENV) {
3652 $DB_ENV = BDB::db_env_create; 3877 $DB_ENV = BDB::db_env_create;
3653 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC 3878 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3654 | BDB::LOG_AUTOREMOVE, 1); 3879 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3880 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3655 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT); 3881 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3656 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT); 3882 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3657 3883
3658 cf::sync_job { 3884 cf::sync_job {
3659 eval { 3885 eval {
3685{ 3911{
3686 # configure IO::AIO 3912 # configure IO::AIO
3687 3913
3688 IO::AIO::min_parallel 8; 3914 IO::AIO::min_parallel 8;
3689 IO::AIO::max_poll_time $TICK * 0.1; 3915 IO::AIO::max_poll_time $TICK * 0.1;
3690 $Coro::AIO::WATCHER->priority (1); 3916 undef $AnyEvent::AIO::WATCHER;
3691} 3917}
3692 3918
3693my $_log_backtrace; 3919my $_log_backtrace;
3694 3920
3695sub _log_backtrace { 3921sub _log_backtrace {
3698 $msg =~ s/\n//; 3924 $msg =~ s/\n//;
3699 3925
3700 # limit the # of concurrent backtraces 3926 # limit the # of concurrent backtraces
3701 if ($_log_backtrace < 2) { 3927 if ($_log_backtrace < 2) {
3702 ++$_log_backtrace; 3928 ++$_log_backtrace;
3929 my $perl_bt = Carp::longmess $msg;
3703 async { 3930 async {
3704 $Coro::current->{desc} = "abt $msg"; 3931 $Coro::current->{desc} = "abt $msg";
3705 3932
3706 my @bt = fork_call { 3933 my @bt = fork_call {
3707 @addr = map { sprintf "%x", $_ } @addr; 3934 @addr = map { sprintf "%x", $_ } @addr;
3718 } 3945 }
3719 3946
3720 @funcs 3947 @funcs
3721 }; 3948 };
3722 3949
3723 LOG llevInfo, "[ABT] $msg\n"; 3950 LOG llevInfo, "[ABT] $perl_bt\n";
3951 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3724 LOG llevInfo, "[ABT] $_\n" for @bt; 3952 LOG llevInfo, "[ABT] $_\n" for @bt;
3725 --$_log_backtrace; 3953 --$_log_backtrace;
3726 }; 3954 };
3727 } else { 3955 } else {
3728 LOG llevInfo, "[ABT] $msg\n"; 3956 LOG llevInfo, "[ABT] $msg\n";
3729 LOG llevInfo, "[ABT] [suppressed]\n"; 3957 LOG llevInfo, "[ABT] [suppressed]\n";
3730 } 3958 }
3731} 3959}
3732 3960
3733# load additional modules 3961# load additional modules
3734use cf::pod; 3962require "cf/$_.pm" for @EXTRA_MODULES;
3735 3963
3736END { cf::emergency_save } 3964END { cf::emergency_save }
3737 3965
37381 39661
3739 3967

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