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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 1.474 by root, Thu Jul 16 21:42:56 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;
193 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 234 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194 235
195 LOG llevError, $msg; 236 LOG llevError, $msg;
196 }; 237 };
197} 238}
239
240$Coro::State::DIEHOOK = sub {
241 return unless $^S eq 0; # "eq", not "=="
242
243 if ($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 warn Carp::longmess $_[0];
250 Coro::terminate
251};
252
253$SIG{__DIE__} = sub { }; #d#?
198 254
199@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 255@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 256@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 257@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 258@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
209for my $pkg (qw( 265for my $pkg (qw(
210 cf::global cf::attachable 266 cf::global cf::attachable
211 cf::object cf::object::player 267 cf::object cf::object::player
212 cf::client cf::player 268 cf::client cf::player
213 cf::arch cf::living 269 cf::arch cf::living
270 cf::map cf::mapspace
214 cf::map cf::party cf::region 271 cf::party cf::region
215)) { 272)) {
216 no strict 'refs';
217 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 273 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218} 274}
219 275
220$EV::DIED = sub { 276$EV::DIED = sub {
221 warn "error in event callback: @_"; 277 warn "error in event callback: @_";
263our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 319our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264 320
265sub encode_json($) { $json_coder->encode ($_[0]) } 321sub encode_json($) { $json_coder->encode ($_[0]) }
266sub decode_json($) { $json_coder->decode ($_[0]) } 322sub decode_json($) { $json_coder->decode ($_[0]) }
267 323
324=item cf::post_init { BLOCK }
325
326Execute the given codeblock, I<after> all extensions have been (re-)loaded,
327but I<before> the server starts ticking again.
328
329The cdoeblock will have a single boolean argument to indicate whether this
330is a reload or not.
331
332=cut
333
334sub post_init(&) {
335 push @POST_INIT, shift;
336}
337
268=item cf::lock_wait $string 338=item cf::lock_wait $string
269 339
270Wait until the given lock is available. See cf::lock_acquire. 340Wait until the given lock is available. See cf::lock_acquire.
271 341
272=item my $lock = cf::lock_acquire $string 342=item my $lock = cf::lock_acquire $string
273 343
274Wait until the given lock is available and then acquires it and returns 344Wait 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, 345a L<Guard> object. If the guard object gets destroyed (goes out of scope,
276for example when the coroutine gets canceled), the lock is automatically 346for example when the coroutine gets canceled), the lock is automatically
277returned. 347returned.
278 348
279Locks are *not* recursive, locking from the same coro twice results in a 349Locks are *not* recursive, locking from the same coro twice results in a
280deadlocked coro. 350deadlocked coro.
286 356
287Return true if the lock is currently active, i.e. somebody has locked it. 357Return true if the lock is currently active, i.e. somebody has locked it.
288 358
289=cut 359=cut
290 360
291our %LOCK; 361our $LOCKS = new Coro::SemaphoreSet;
292our %LOCKER;#d#
293 362
294sub lock_wait($) { 363sub lock_wait($) {
295 my ($key) = @_; 364 $LOCKS->wait ($_[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} }, $Coro::current;
305 Coro::schedule;
306 }
307} 365}
308 366
309sub lock_acquire($) { 367sub lock_acquire($) {
310 my ($key) = @_; 368 $LOCKS->guard ($_[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} 369}
324 370
325sub lock_active($) { 371sub lock_active($) {
326 my ($key) = @_; 372 $LOCKS->count ($_[0]) < 1
327
328 ! ! $LOCK{$key}
329} 373}
330 374
331sub freeze_mainloop { 375sub freeze_mainloop {
332 return unless $TICK_WATCHER->is_active; 376 tick_inhibit_inc;
333 377
334 my $guard = Coro::guard { 378 &Guard::guard (\&tick_inhibit_dec);
335 $TICK_WATCHER->start;
336 };
337 $TICK_WATCHER->stop;
338 $guard
339} 379}
340 380
341=item cf::periodic $interval, $cb 381=item cf::periodic $interval, $cb
342 382
343Like EV::periodic, but randomly selects a starting point so that the actions 383Like EV::periodic, but randomly selects a starting point so that the actions
398 } 438 }
399 } 439 }
400}; 440};
401 441
402sub get_slot($;$$) { 442sub get_slot($;$$) {
443 return if tick_inhibit || $Coro::current == $Coro::main;
444
403 my ($time, $pri, $name) = @_; 445 my ($time, $pri, $name) = @_;
404 446
405 $time = $TICK * .6 if $time > $TICK * .6; 447 $time = $TICK * .6 if $time > $TICK * .6;
406 my $sig = new Coro::Signal; 448 my $sig = new Coro::Signal;
407 449
444 # this is the main coro, too bad, we have to block 486 # this is the main coro, too bad, we have to block
445 # till the operation succeeds, freezing the server :/ 487 # till the operation succeeds, freezing the server :/
446 488
447 LOG llevError, Carp::longmess "sync job";#d# 489 LOG llevError, Carp::longmess "sync job";#d#
448 490
449 # TODO: use suspend/resume instead
450 # (but this is cancel-safe)
451 my $freeze_guard = freeze_mainloop; 491 my $freeze_guard = freeze_mainloop;
452 492
453 my $busy = 1; 493 my $busy = 1;
454 my @res; 494 my @res;
455 495
466 } else { 506 } else {
467 EV::loop EV::LOOP_ONESHOT; 507 EV::loop EV::LOOP_ONESHOT;
468 } 508 }
469 } 509 }
470 510
471 $time = EV::time - $time; 511 my $time = EV::time - $time;
472 512
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 513 $TICK_START += $time; # do not account sync jobs to server load
477 514
478 wantarray ? @res : $res[0] 515 wantarray ? @res : $res[0]
479 } else { 516 } else {
480 # we are in another coroutine, how wonderful, everything just works 517 # we are in another coroutine, how wonderful, everything just works
481 518
523 reset_signals; 560 reset_signals;
524 &$cb 561 &$cb
525 }, @args; 562 }, @args;
526 563
527 wantarray ? @res : $res[-1] 564 wantarray ? @res : $res[-1]
565}
566
567=item $coin = coin_from_name $name
568
569=cut
570
571our %coin_alias = (
572 "silver" => "silvercoin",
573 "silvercoin" => "silvercoin",
574 "silvercoins" => "silvercoin",
575 "gold" => "goldcoin",
576 "goldcoin" => "goldcoin",
577 "goldcoins" => "goldcoin",
578 "platinum" => "platinacoin",
579 "platinumcoin" => "platinacoin",
580 "platinumcoins" => "platinacoin",
581 "platina" => "platinacoin",
582 "platinacoin" => "platinacoin",
583 "platinacoins" => "platinacoin",
584 "royalty" => "royalty",
585 "royalties" => "royalty",
586);
587
588sub coin_from_name($) {
589 $coin_alias{$_[0]}
590 ? cf::arch::find $coin_alias{$_[0]}
591 : undef
528} 592}
529 593
530=item $value = cf::db_get $family => $key 594=item $value = cf::db_get $family => $key
531 595
532Returns a single value from the environment database. 596Returns a single value from the environment database.
671 735
672############################################################################# 736#############################################################################
673 737
674=head2 ATTACHABLE OBJECTS 738=head2 ATTACHABLE OBJECTS
675 739
676Many objects in crossfire are so-called attachable objects. That means you can 740Many objects in deliantra are so-called attachable objects. That means you can
677attach callbacks/event handlers (a collection of which is called an "attachment") 741attach callbacks/event handlers (a collection of which is called an "attachment")
678to it. All such attachable objects support the following methods. 742to it. All such attachable objects support the following methods.
679 743
680In the following description, CLASS can be any of C<global>, C<object> 744In 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 745C<player>, C<client> or C<map> (i.e. the attachable objects in
731=item cf::CLASS::attachment $name, ... 795=item cf::CLASS::attachment $name, ...
732 796
733Register an attachment by C<$name> through which attachable objects of the 797Register an attachment by C<$name> through which attachable objects of the
734given CLASS can refer to this attachment. 798given CLASS can refer to this attachment.
735 799
736Some classes such as crossfire maps and objects can specify attachments 800Some classes such as deliantra maps and objects can specify attachments
737that are attached at load/instantiate time, thus the need for a name. 801that are attached at load/instantiate time, thus the need for a name.
738 802
739These calls expect any number of the following handler/hook descriptions: 803These calls expect any number of the following handler/hook descriptions:
740 804
741=over 4 805=over 4
1032 1096
1033sub reattach { 1097sub reattach {
1034 # basically do the same as instantiate, without calling instantiate 1098 # basically do the same as instantiate, without calling instantiate
1035 my ($obj) = @_; 1099 my ($obj) = @_;
1036 1100
1101 # no longer needed after getting rid of delete_package?
1037 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1102 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1038 1103
1039 my $registry = $obj->registry; 1104 my $registry = $obj->registry;
1040 1105
1041 @$registry = (); 1106 @$registry = ();
1042 1107
1088 utf8::decode (my $decname = $filename); 1153 utf8::decode (my $decname = $filename);
1089 warn sprintf "saving %s (%d,%d)\n", 1154 warn sprintf "saving %s (%d,%d)\n",
1090 $decname, length $$rdata, scalar @$objs; 1155 $decname, length $$rdata, scalar @$objs;
1091 1156
1092 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1157 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1093 chmod SAVE_MODE, $fh; 1158 aio_chmod $fh, SAVE_MODE;
1094 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1159 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1095 aio_fsync $fh if $cf::USE_FSYNC; 1160 if ($cf::USE_FSYNC) {
1161 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;
1162 aio_fsync $fh;
1163 }
1096 close $fh; 1164 aio_close $fh;
1097 1165
1098 if (@$objs) { 1166 if (@$objs) {
1099 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1167 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1100 chmod SAVE_MODE, $fh; 1168 aio_chmod $fh, SAVE_MODE;
1101 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs }; 1169 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1102 aio_write $fh, 0, (length $data), $data, 0; 1170 aio_write $fh, 0, (length $data), $data, 0;
1103 aio_fsync $fh if $cf::USE_FSYNC; 1171 if ($cf::USE_FSYNC) {
1172 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;
1173 aio_fsync $fh;
1174 }
1104 close $fh; 1175 aio_close $fh;
1105 aio_rename "$filename.pst~", "$filename.pst"; 1176 aio_rename "$filename.pst~", "$filename.pst";
1106 } 1177 }
1107 } else { 1178 } else {
1108 aio_unlink "$filename.pst"; 1179 aio_unlink "$filename.pst";
1109 } 1180 }
1110 1181
1111 aio_rename "$filename~", $filename; 1182 aio_rename "$filename~", $filename;
1183
1184 $filename =~ s%/[^/]+$%%;
1185 aio_pathsync $filename if $cf::USE_FSYNC;
1112 } else { 1186 } else {
1113 warn "FATAL: $filename~: $!\n"; 1187 warn "unable to save objects: $filename~: $!\n";
1114 } 1188 }
1115 } else { 1189 } else {
1116 aio_unlink $filename; 1190 aio_unlink $filename;
1117 aio_unlink "$filename.pst"; 1191 aio_unlink "$filename.pst";
1118 } 1192 }
1209 my ($name, $cb) = @_; 1283 my ($name, $cb) = @_;
1210 1284
1211 $EXTICMD{$name} = $cb; 1285 $EXTICMD{$name} = $cb;
1212} 1286}
1213 1287
1288use File::Glob ();
1289
1214cf::player->attach ( 1290cf::player->attach (
1215 on_command => sub { 1291 on_command => sub {
1216 my ($pl, $name, $params) = @_; 1292 my ($pl, $name, $params) = @_;
1217 1293
1218 my $cb = $COMMAND{$name} 1294 my $cb = $COMMAND{$name}
1250 1326
1251 cf::override; 1327 cf::override;
1252 }, 1328 },
1253); 1329);
1254 1330
1331# "readahead" all extensions
1332sub cache_extensions {
1333 my $grp = IO::AIO::aio_group;
1334
1335 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1336 for (grep /\.ext$/, @{$_[0]}) {
1337 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1338 }
1339 };
1340
1341 $grp
1342}
1343
1255sub load_extensions { 1344sub load_extensions {
1256 cf::sync_job { 1345 cf::sync_job {
1257 my %todo; 1346 my %todo;
1258 1347
1259 for my $path (<$LIBDIR/*.ext>) { 1348 for my $path (<$LIBDIR/*.ext>) {
1278 1367
1279 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1368 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1280 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1369 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1281 1370
1282 $ext{source} = 1371 $ext{source} =
1283 "package $pkg; use strict; use utf8;\n" 1372 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1284 . "#line 1 \"$path\"\n{\n" 1373 . "#line 1 \"$path\"\n{\n"
1285 . $source 1374 . $source
1286 . "\n};\n1"; 1375 . "\n};\n1";
1287 1376
1288 $todo{$base} = \%ext; 1377 $todo{$base} = \%ext;
1304 my $msg = $@ ? "$v->{path}: $@\n" 1393 my $msg = $@ ? "$v->{path}: $@\n"
1305 : "$v->{base}: extension inactive.\n"; 1394 : "$v->{base}: extension inactive.\n";
1306 1395
1307 if (exists $v->{meta}{mandatory}) { 1396 if (exists $v->{meta}{mandatory}) {
1308 warn $msg; 1397 warn $msg;
1309 warn "mandatory extension failed to load, exiting.\n"; 1398 cf::cleanup "mandatory extension failed to load, exiting.";
1310 exit 1;
1311 } 1399 }
1312 1400
1313 warn $msg; 1401 warn $msg;
1314 } 1402 }
1315 1403
1329 1417
1330=back 1418=back
1331 1419
1332=head2 CORE EXTENSIONS 1420=head2 CORE EXTENSIONS
1333 1421
1334Functions and methods that extend core crossfire objects. 1422Functions and methods that extend core deliantra objects.
1335 1423
1336=cut 1424=cut
1337 1425
1338package cf::player; 1426package cf::player;
1339 1427
1382 1470
1383sub exists($) { 1471sub exists($) {
1384 my ($login) = @_; 1472 my ($login) = @_;
1385 1473
1386 $cf::PLAYER{$login} 1474 $cf::PLAYER{$login}
1387 or cf::sync_job { !aio_stat path $login } 1475 or !aio_stat path $login
1388} 1476}
1389 1477
1390sub find($) { 1478sub find($) {
1391 return $cf::PLAYER{$_[0]} || do { 1479 return $cf::PLAYER{$_[0]} || do {
1392 my $login = $_[0]; 1480 my $login = $_[0];
1404 my $f = new_from_file cf::object::thawer path $login 1492 my $f = new_from_file cf::object::thawer path $login
1405 or return; 1493 or return;
1406 1494
1407 my $pl = cf::player::load_pl $f 1495 my $pl = cf::player::load_pl $f
1408 or return; 1496 or return;
1497
1409 local $cf::PLAYER_LOADING{$login} = $pl; 1498 local $cf::PLAYER_LOADING{$login} = $pl;
1410 $f->resolve_delayed_derefs; 1499 $f->resolve_delayed_derefs;
1411 $cf::PLAYER{$login} = $pl 1500 $cf::PLAYER{$login} = $pl
1412 } 1501 }
1413 } 1502 }
1423 1512
1424 return if $pl->{deny_save}; 1513 return if $pl->{deny_save};
1425 1514
1426 aio_mkdir playerdir $pl, 0770; 1515 aio_mkdir playerdir $pl, 0770;
1427 $pl->{last_save} = $cf::RUNTIME; 1516 $pl->{last_save} = $cf::RUNTIME;
1517
1518 cf::get_slot 0.01;
1428 1519
1429 $pl->save_pl ($path); 1520 $pl->save_pl ($path);
1430 cf::cede_to_tick; 1521 cf::cede_to_tick;
1431} 1522}
1432 1523
1464 my ($pl) = @_; 1555 my ($pl) = @_;
1465 1556
1466 my $name = $pl->ob->name; 1557 my $name = $pl->ob->name;
1467 1558
1468 $pl->{deny_save} = 1; 1559 $pl->{deny_save} = 1;
1469 $pl->password ("*"); # this should lock out the player until we nuked the dir 1560 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1470 1561
1471 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1562 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1472 $pl->deactivate; 1563 $pl->deactivate;
1564 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1565 $pl->ob->check_score;
1473 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1566 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1474 $pl->ns->destroy if $pl->ns; 1567 $pl->ns->destroy if $pl->ns;
1475 1568
1476 my $path = playerdir $pl; 1569 my $path = playerdir $pl;
1477 my $temp = "$path~$cf::RUNTIME~deleting~"; 1570 my $temp = "$path~$cf::RUNTIME~deleting~";
1516 1609
1517 for my $login (@$dirs) { 1610 for my $login (@$dirs) {
1518 my $path = path $login; 1611 my $path = path $login;
1519 1612
1520 # a .pst is a dead give-away for a valid player 1613 # a .pst is a dead give-away for a valid player
1521 unless (-e "$path.pst") { 1614 # if no pst file found, open and chekc for blocked users
1615 if (aio_stat "$path.pst") {
1522 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next; 1616 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1523 aio_read $fh, 0, 512, my $buf, 0 or next; 1617 aio_read $fh, 0, 512, my $buf, 0 or next;
1524 $buf !~ /^password -------------$/m or next; # official not-valid tag 1618 $buf !~ /^password -------------$/m or next; # official not-valid tag
1525 } 1619 }
1526 1620
1557 } 1651 }
1558 1652
1559 \@paths 1653 \@paths
1560} 1654}
1561 1655
1562=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1656=item $protocol_xml = $player->expand_cfpod ($cfpod)
1563 1657
1564Expand crossfire pod fragments into protocol xml. 1658Expand 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 1659
1655=item $player->ext_reply ($msgid, @msg) 1660=item $player->ext_reply ($msgid, @msg)
1656 1661
1657Sends an ext reply to the player. 1662Sends an ext reply to the player.
1658 1663
1725our $MAX_RESET = 3600; 1730our $MAX_RESET = 3600;
1726our $DEFAULT_RESET = 3000; 1731our $DEFAULT_RESET = 3000;
1727 1732
1728sub generate_random_map { 1733sub generate_random_map {
1729 my ($self, $rmp) = @_; 1734 my ($self, $rmp) = @_;
1735
1736 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1737
1730 # mit "rum" bekleckern, nicht 1738 # mit "rum" bekleckern, nicht
1731 $self->_create_random_map ( 1739 $self->_create_random_map (
1732 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1740 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1733 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1741 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1734 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1742 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1856 1864
1857# the temporary/swap location 1865# the temporary/swap location
1858sub save_path { 1866sub save_path {
1859 my ($self) = @_; 1867 my ($self) = @_;
1860 1868
1861 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1869 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1862 "$TMPDIR/$path.map" 1870 "$TMPDIR/$path.map"
1863} 1871}
1864 1872
1865# the unique path, undef == no special unique path 1873# the unique path, undef == no special unique path
1866sub uniq_path { 1874sub uniq_path {
1867 my ($self) = @_; 1875 my ($self) = @_;
1868 1876
1869 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1877 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1870 "$UNIQUEDIR/$path" 1878 "$UNIQUEDIR/$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 $_->outdoor, values %cf::MAP;
1880} 1879}
1881 1880
1882sub decay_objects { 1881sub decay_objects {
1883 my ($self) = @_; 1882 my ($self) = @_;
1884 1883
1968sub find { 1967sub find {
1969 my ($path, $origin) = @_; 1968 my ($path, $origin) = @_;
1970 1969
1971 $path = normalise $path, $origin && $origin->path; 1970 $path = normalise $path, $origin && $origin->path;
1972 1971
1973 cf::lock_wait "map_data:$path";#d#remove 1972 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1974 cf::lock_wait "map_find:$path"; 1973 my $guard2 = cf::lock_acquire "map_find:$path";
1975 1974
1976 $cf::MAP{$path} || do { 1975 $cf::MAP{$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 1976 my $map = new_from_path cf::map $path
1981 or return; 1977 or return;
1982 1978
1983 $map->{last_save} = $cf::RUNTIME; 1979 $map->{last_save} = $cf::RUNTIME;
1984 1980
1986 or return; 1982 or return;
1987 1983
1988 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 1984 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1989 # doing this can freeze the server in a sync job, obviously 1985 # doing this can freeze the server in a sync job, obviously
1990 #$cf::WAIT_FOR_TICK->wait; 1986 #$cf::WAIT_FOR_TICK->wait;
1987 undef $guard2;
1991 undef $guard1; 1988 undef $guard1;
1992 undef $guard2;
1993 $map->reset; 1989 $map->reset;
1994 return find $path; 1990 return find $path;
1995 } 1991 }
1996 1992
1997 $cf::MAP{$path} = $map 1993 $cf::MAP{$path} = $map
2024 my $f = new_from_file cf::object::thawer $self->{load_path}; 2020 my $f = new_from_file cf::object::thawer $self->{load_path};
2025 $f->skip_block; 2021 $f->skip_block;
2026 $self->_load_objects ($f) 2022 $self->_load_objects ($f)
2027 or return; 2023 or return;
2028 2024
2029 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2025 $self->post_load_original
2030 if delete $self->{load_original}; 2026 if delete $self->{load_original};
2031 2027
2032 if (my $uniq = $self->uniq_path) { 2028 if (my $uniq = $self->uniq_path) {
2033 utf8::encode $uniq; 2029 utf8::encode $uniq;
2034 unless (aio_stat $uniq) { 2030 unless (aio_stat $uniq) {
2052 unless ($self->{deny_activate}) { 2048 unless ($self->{deny_activate}) {
2053 $self->decay_objects; 2049 $self->decay_objects;
2054 $self->fix_auto_apply; 2050 $self->fix_auto_apply;
2055 $self->update_buttons; 2051 $self->update_buttons;
2056 cf::cede_to_tick; 2052 cf::cede_to_tick;
2057 $self->set_darkness_map;
2058 cf::cede_to_tick;
2059 $self->activate; 2053 $self->activate;
2060 } 2054 }
2061 2055
2062 $self->{last_save} = $cf::RUNTIME; 2056 $self->{last_save} = $cf::RUNTIME;
2063 $self->last_access ($cf::RUNTIME); 2057 $self->last_access ($cf::RUNTIME);
2064 2058
2065 $self->in_memory (cf::MAP_IN_MEMORY); 2059 $self->in_memory (cf::MAP_ACTIVE);
2066 } 2060 }
2067 2061
2068 $self->post_load; 2062 $self->post_load;
2069} 2063}
2070 2064
2128 my ($path, $origin, $load) = @_; 2122 my ($path, $origin, $load) = @_;
2129 2123
2130 $path = normalise $path, $origin && $origin->{path}; 2124 $path = normalise $path, $origin && $origin->{path};
2131 2125
2132 if (my $map = $cf::MAP{$path}) { 2126 if (my $map = $cf::MAP{$path}) {
2133 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY; 2127 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2134 } 2128 }
2135 2129
2136 $MAP_PREFETCH{$path} |= $load; 2130 $MAP_PREFETCH{$path} |= $load;
2137 2131
2138 $MAP_PREFETCHER ||= cf::async { 2132 $MAP_PREFETCHER ||= cf::async {
2175 cf::async { 2169 cf::async {
2176 $Coro::current->{desc} = "map player save"; 2170 $Coro::current->{desc} = "map player save";
2177 $_->contr->save for $self->players; 2171 $_->contr->save for $self->players;
2178 }; 2172 };
2179 2173
2174 cf::get_slot 0.02;
2175
2180 if ($uniq) { 2176 if ($uniq) {
2181 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2177 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2182 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2178 $self->_save_objects ($uniq, cf::IO_UNIQUES);
2183 } else { 2179 } else {
2184 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2180 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2192 $self->save; 2188 $self->save;
2193 2189
2194 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2190 my $lock = cf::lock_acquire "map_data:$self->{path}";
2195 2191
2196 return if $self->players; 2192 return if $self->players;
2197 return if $self->in_memory != cf::MAP_IN_MEMORY; 2193 return if $self->in_memory != cf::MAP_ACTIVE;
2198 return if $self->{deny_save}; 2194 return if $self->{deny_save};
2199 2195
2200 $self->in_memory (cf::MAP_SWAPPED); 2196 $self->in_memory (cf::MAP_SWAPPED);
2201 2197
2202 $self->deactivate; 2198 $self->deactivate;
2320 2316
2321sub unique_maps() { 2317sub unique_maps() {
2322 [ 2318 [
2323 map { 2319 map {
2324 utf8::decode $_; 2320 utf8::decode $_;
2325 /\.map$/ 2321 s/\.map$//; # TODO future compatibility hack
2322 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2323 ? ()
2326 ? normalise $_ 2324 : normalise $_
2327 : ()
2328 } @{ aio_readdir $UNIQUEDIR or [] } 2325 } @{ aio_readdir $UNIQUEDIR or [] }
2329 ] 2326 ]
2330} 2327}
2331 2328
2332package cf;
2333
2334=back 2329=back
2335 2330
2336=head3 cf::object 2331=head3 cf::object
2337 2332
2338=cut 2333=cut
2341 2336
2342=over 4 2337=over 4
2343 2338
2344=item $ob->inv_recursive 2339=item $ob->inv_recursive
2345 2340
2346Returns the inventory of the object _and_ their inventories, recursively. 2341Returns the inventory of the object I<and> their inventories, recursively,
2342but I<not> the object itself.
2347 2343
2348=cut 2344=cut
2349 2345
2350sub inv_recursive_; 2346sub inv_recursive_;
2351sub inv_recursive_ { 2347sub inv_recursive_ {
2356 inv_recursive_ inv $_[0] 2352 inv_recursive_ inv $_[0]
2357} 2353}
2358 2354
2359=item $ref = $ob->ref 2355=item $ref = $ob->ref
2360 2356
2361creates and returns a persistent reference to an objetc that can be stored as a string. 2357Creates and returns a persistent reference to an object that can be stored as a string.
2362 2358
2363=item $ob = cf::object::deref ($refstring) 2359=item $ob = cf::object::deref ($refstring)
2364 2360
2365returns the objetc referenced by refstring. may return undef when it cnanot find the object, 2361returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2366even if the object actually exists. May block. 2362even if the object actually exists. May block.
2398can be C<undef>. Does the right thing when the player is currently in a 2394can be C<undef>. Does the right thing when the player is currently in a
2399dialogue with the given NPC character. 2395dialogue with the given NPC character.
2400 2396
2401=cut 2397=cut
2402 2398
2399our $SAY_CHANNEL = {
2400 id => "say",
2401 title => "Map",
2402 reply => "say ",
2403 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2404};
2405
2406our $CHAT_CHANNEL = {
2407 id => "chat",
2408 title => "Chat",
2409 reply => "chat ",
2410 tooltip => "Player chat and shouts, global to the server.",
2411};
2412
2403# rough implementation of a future "reply" method that works 2413# rough implementation of a future "reply" method that works
2404# with dialog boxes. 2414# with dialog boxes.
2405#TODO: the first argument must go, split into a $npc->reply_to ( method 2415#TODO: the first argument must go, split into a $npc->reply_to ( method
2406sub cf::object::player::reply($$$;$) { 2416sub cf::object::player::reply($$$;$) {
2407 my ($self, $npc, $msg, $flags) = @_; 2417 my ($self, $npc, $msg, $flags) = @_;
2418 my $dialog = $pl->{npc_dialog}; 2428 my $dialog = $pl->{npc_dialog};
2419 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg)); 2429 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2420 2430
2421 } else { 2431 } else {
2422 $msg = $npc->name . " says: $msg" if $npc; 2432 $msg = $npc->name . " says: $msg" if $npc;
2423 $self->message ($msg, $flags); 2433 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2424 } 2434 }
2425 } 2435 }
2426} 2436}
2427 2437
2428=item $object->send_msg ($channel, $msg, $color, [extra...]) 2438=item $object->send_msg ($channel, $msg, $color, [extra...])
2453 2463
2454=item $player_object->enter_link 2464=item $player_object->enter_link
2455 2465
2456Freezes the player and moves him/her to a special map (C<{link}>). 2466Freezes the player and moves him/her to a special map (C<{link}>).
2457 2467
2458The player should be reasonably safe there for short amounts of time. You 2468The player should be reasonably safe there for short amounts of time (e.g.
2459I<MUST> call C<leave_link> as soon as possible, though. 2469for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2470though, as the palyer cannot control the character while it is on the link
2471map.
2460 2472
2461Will never block. 2473Will never block.
2462 2474
2463=item $player_object->leave_link ($map, $x, $y) 2475=item $player_object->leave_link ($map, $x, $y)
2464 2476
2522 2534
2523 $map->load; 2535 $map->load;
2524 $map->load_neighbours; 2536 $map->load_neighbours;
2525 2537
2526 return unless $self->contr->active; 2538 return unless $self->contr->active;
2539 $self->flag (cf::FLAG_DEBUG, 0);#d# temp
2527 $self->activate_recursive; 2540 $self->activate_recursive;
2528 2541
2529 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2542 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2530 $self->enter_map ($map, $x, $y); 2543 $self->enter_map ($map, $x, $y);
2531} 2544}
2535Moves the player to the given map-path and coordinates by first freezing 2548Moves the player to the given map-path and coordinates by first freezing
2536her, loading and preparing them map, calling the provided $check callback 2549her, loading and preparing them map, calling the provided $check callback
2537that has to return the map if sucecssful, and then unfreezes the player on 2550that 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 2551the new (success) or old (failed) map position. In either case, $done will
2539be called at the end of this process. 2552be called at the end of this process.
2553
2554Note that $check will be called with a potentially non-loaded map, so if
2555it needs a loaded map it has to call C<< ->load >>.
2540 2556
2541=cut 2557=cut
2542 2558
2543our $GOTOGEN; 2559our $GOTOGEN;
2544 2560
2623} 2639}
2624 2640
2625sub prepare_random_map { 2641sub prepare_random_map {
2626 my ($exit) = @_; 2642 my ($exit) = @_;
2627 2643
2628 my $guard = cf::lock_acquire "exit_prepare:$exit";
2629
2630 # all this does is basically replace the /! path by 2644 # all this does is basically replace the /! path by
2631 # a new random map path (?random/...) with a seed 2645 # a new random map path (?random/...) with a seed
2632 # that depends on the exit object 2646 # that depends on the exit object
2633 2647
2634 my $rmp = parse_random_map_params $exit->msg; 2648 my $rmp = parse_random_map_params $exit->msg;
2636 if ($exit->map) { 2650 if ($exit->map) {
2637 $rmp->{region} = $exit->region->name; 2651 $rmp->{region} = $exit->region->name;
2638 $rmp->{origin_map} = $exit->map->path; 2652 $rmp->{origin_map} = $exit->map->path;
2639 $rmp->{origin_x} = $exit->x; 2653 $rmp->{origin_x} = $exit->x;
2640 $rmp->{origin_y} = $exit->y; 2654 $rmp->{origin_y} = $exit->y;
2655
2656 $exit->map->touch;
2641 } 2657 }
2642 2658
2643 $rmp->{random_seed} ||= $exit->random_seed; 2659 $rmp->{random_seed} ||= $exit->random_seed;
2644 2660
2645 my $data = cf::encode_json $rmp; 2661 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2646 my $md5 = Digest::MD5::md5_hex $data; 2662 my $md5 = Digest::MD5::md5_hex $data;
2647 my $meta = "$RANDOMDIR/$md5.meta"; 2663 my $meta = "$RANDOMDIR/$md5.meta";
2648 2664
2649 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2665 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2650 aio_write $fh, 0, (length $data), $data, 0; 2666 aio_write $fh, 0, (length $data), $data, 0;
2651 undef $fh; 2667 undef $fh;
2652 aio_rename "$meta~", $meta; 2668 aio_rename "$meta~", $meta;
2653 2669
2670 my $slaying = "?random/$md5";
2671
2672 if ($exit->valid) {
2654 $exit->slaying ("?random/$md5"); 2673 $exit->slaying ("?random/$md5");
2655 $exit->msg (undef); 2674 $exit->msg (undef);
2675 }
2656 } 2676 }
2657} 2677}
2658 2678
2659sub cf::object::player::enter_exit { 2679sub cf::object::player::enter_exit {
2660 my ($self, $exit) = @_; 2680 my ($self, $exit) = @_;
2661 2681
2662 return unless $self->type == cf::PLAYER; 2682 return unless $self->type == cf::PLAYER;
2663 2683
2664 if ($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; 2684 $self->enter_link;
2676 2685
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 { 2686 (async {
2682 $Coro::current->{desc} = "enter_exit $slaying $hp $sp"; 2687 $Coro::current->{desc} = "enter_exit";
2683 2688
2684 $self->deactivate_recursive; # just to be sure
2685 unless (eval { 2689 unless (eval {
2690 $self->deactivate_recursive; # just to be sure
2691
2692 # random map handling
2693 {
2694 my $guard = cf::lock_acquire "exit_prepare:$exit";
2695
2696 prepare_random_map $exit
2697 if $exit->slaying eq "/!";
2698 }
2699
2700 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2701 my $x = $exit->stats->hp;
2702 my $y = $exit->stats->sp;
2703
2686 $self->goto ($slaying, $hp, $sp); 2704 $self->goto ($map, $x, $y);
2687 2705
2706 # if exit is damned, update players death & WoR home-position
2707 $self->contr->savebed ($map, $x, $y)
2708 if $exit->flag (cf::FLAG_DAMNED);
2709
2688 1; 2710 1
2689 }) { 2711 }) {
2690 $self->message ("Something went wrong deep within the crossfire server. " 2712 $self->message ("Something went wrong deep within the deliantra server. "
2691 . "I'll try to bring you back to the map you were before. " 2713 . "I'll try to bring you back to the map you were before. "
2692 . "Please report this to the dungeon master!", 2714 . "Please report this to the dungeon master!",
2693 cf::NDI_UNIQUE | cf::NDI_RED); 2715 cf::NDI_UNIQUE | cf::NDI_RED);
2694 2716
2695 warn "ERROR in enter_exit: $@"; 2717 warn "ERROR in enter_exit: $@";
2761 id => "infobox", 2783 id => "infobox",
2762 title => "Body Parts", 2784 title => "Body Parts",
2763 reply => undef, 2785 reply => undef,
2764 tooltip => "Shows which body parts you posess and are available", 2786 tooltip => "Shows which body parts you posess and are available",
2765 }, 2787 },
2788 "c/statistics" => {
2789 id => "infobox",
2790 title => "Statistics",
2791 reply => undef,
2792 tooltip => "Shows your primary statistics",
2793 },
2794 "c/skills" => {
2795 id => "infobox",
2796 title => "Skills",
2797 reply => undef,
2798 tooltip => "Shows your experience per skill and item power",
2799 },
2800 "c/shopitems" => {
2801 id => "infobox",
2802 title => "Shop Items",
2803 reply => undef,
2804 tooltip => "Shows the items currently for sale in this shop",
2805 },
2806 "c/resistances" => {
2807 id => "infobox",
2808 title => "Resistances",
2809 reply => undef,
2810 tooltip => "Shows your resistances",
2811 },
2812 "c/pets" => {
2813 id => "infobox",
2814 title => "Pets",
2815 reply => undef,
2816 tooltip => "Shows information abotu your pets/a specific pet",
2817 },
2818 "c/perceiveself" => {
2819 id => "infobox",
2820 title => "Perceive Self",
2821 reply => undef,
2822 tooltip => "You gained detailed knowledge about yourself",
2823 },
2766 "c/uptime" => { 2824 "c/uptime" => {
2767 id => "infobox", 2825 id => "infobox",
2768 title => "Uptime", 2826 title => "Uptime",
2769 reply => undef, 2827 reply => undef,
2770 tooltip => "How long the server has been running since last restart", 2828 tooltip => "How long the server has been running since last restart",
2773 id => "infobox", 2831 id => "infobox",
2774 title => "Map Info", 2832 title => "Map Info",
2775 reply => undef, 2833 reply => undef,
2776 tooltip => "Information related to the maps", 2834 tooltip => "Information related to the maps",
2777 }, 2835 },
2836 "c/party" => {
2837 id => "party",
2838 title => "Party",
2839 reply => "gsay ",
2840 tooltip => "Messages and chat related to your party",
2841 },
2842 "c/death" => {
2843 id => "death",
2844 title => "Death",
2845 reply => undef,
2846 tooltip => "Reason for and more info about your most recent death",
2847 },
2848 "c/say" => $SAY_CHANNEL,
2849 "c/chat" => $CHAT_CHANNEL,
2778); 2850);
2779 2851
2780sub cf::client::send_msg { 2852sub cf::client::send_msg {
2781 my ($self, $channel, $msg, $color, @extra) = @_; 2853 my ($self, $channel, $msg, $color, @extra) = @_;
2782 2854
2783 $msg = $self->pl->expand_cfpod ($msg); 2855 $msg = $self->pl->expand_cfpod ($msg)
2856 unless $color & cf::NDI_VERBATIM;
2784 2857
2785 $color &= cf::NDI_CLIENT_MASK; # just in case... 2858 $color &= cf::NDI_CLIENT_MASK; # just in case...
2786 2859
2787 # check predefined channels, for the benefit of C 2860 # check predefined channels, for the benefit of C
2788 if ($CHANNEL{$channel}) { 2861 if ($CHANNEL{$channel}) {
2789 $channel = $CHANNEL{$channel}; 2862 $channel = $CHANNEL{$channel};
2790 2863
2791 $self->ext_msg (channel_info => $channel) 2864 $self->ext_msg (channel_info => $channel);
2792 if $self->can_msg;
2793
2794 $channel = $channel->{id}; 2865 $channel = $channel->{id};
2795 2866
2796 } elsif (ref $channel) { 2867 } elsif (ref $channel) {
2797 # send meta info to client, if not yet sent 2868 # send meta info to client, if not yet sent
2798 unless (exists $self->{channel}{$channel->{id}}) { 2869 unless (exists $self->{channel}{$channel->{id}}) {
2799 $self->{channel}{$channel->{id}} = $channel; 2870 $self->{channel}{$channel->{id}} = $channel;
2800 $self->ext_msg (channel_info => $channel) 2871 $self->ext_msg (channel_info => $channel);
2801 if $self->can_msg;
2802 } 2872 }
2803 2873
2804 $channel = $channel->{id}; 2874 $channel = $channel->{id};
2805 } 2875 }
2806 2876
2807 return unless @extra || length $msg; 2877 return unless @extra || length $msg;
2808 2878
2809 if ($self->can_msg) {
2810 # default colour, mask it out 2879 # default colour, mask it out
2811 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF) 2880 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2812 if $color & cf::NDI_DEF; 2881 if $color & cf::NDI_DEF;
2813 2882
2814 $self->send_packet ("msg " . $self->{json_coder}->encode ( 2883 my $pkt = "msg "
2884 . $self->{json_coder}->encode (
2815 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra])); 2885 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2816 } else { 2886 );
2817 if ($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 2887
2828 $color &= cf::NDI_COLOR_MASK; 2888 # try lzf for large packets
2889 $pkt = "lzf " . Compress::LZF::compress $pkt
2890 if 1024 <= length $pkt and $self->{can_lzf};
2829 2891
2830 utf8::encode $msg; 2892 # split very large packets
2831 2893 if (8192 < length $pkt and $self->{can_lzf}) {
2832 if (0 && $msg =~ /\[/) { 2894 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2833 # COMMAND/INFO 2895 $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 } 2896 }
2897
2898 $self->send_packet ($pkt);
2841} 2899}
2842 2900
2843=item $client->ext_msg ($type, @msg) 2901=item $client->ext_msg ($type, @msg)
2844 2902
2845Sends an ext event to the client. 2903Sends an ext event to the client.
3019 3077
3020The following functions and methods are available within a safe environment: 3078The following functions and methods are available within a safe environment:
3021 3079
3022 cf::object 3080 cf::object
3023 contr pay_amount pay_player map x y force_find force_add destroy 3081 contr pay_amount pay_player map x y force_find force_add destroy
3024 insert remove name archname title slaying race decrease_ob_nr 3082 insert remove name archname title slaying race decrease split
3083 value
3025 3084
3026 cf::object::player 3085 cf::object::player
3027 player 3086 player
3028 3087
3029 cf::player 3088 cf::player
3034 3093
3035=cut 3094=cut
3036 3095
3037for ( 3096for (
3038 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3097 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3039 insert remove inv name archname title slaying race 3098 insert remove inv nrof name archname title slaying race
3040 decrease_ob_nr destroy)], 3099 decrease split destroy change_exp value msg lore send_msg)],
3041 ["cf::object::player" => qw(player)], 3100 ["cf::object::player" => qw(player)],
3042 ["cf::player" => qw(peaceful)], 3101 ["cf::player" => qw(peaceful send_msg)],
3043 ["cf::map" => qw(trigger)], 3102 ["cf::map" => qw(trigger)],
3044) { 3103) {
3045 no strict 'refs'; 3104 no strict 'refs';
3046 my ($pkg, @funs) = @$_; 3105 my ($pkg, @funs) = @$_;
3047 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3106 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3064 my ($code, %vars) = @_; 3123 my ($code, %vars) = @_;
3065 3124
3066 my $qcode = $code; 3125 my $qcode = $code;
3067 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3126 $qcode =~ s/"/‟/g; # not allowed in #line filenames
3068 $qcode =~ s/\n/\\n/g; 3127 $qcode =~ s/\n/\\n/g;
3128
3129 %vars = (_dummy => 0) unless %vars;
3069 3130
3070 local $_; 3131 local $_;
3071 local @safe::cf::_safe_eval_args = values %vars; 3132 local @safe::cf::_safe_eval_args = values %vars;
3072 3133
3073 my $eval = 3134 my $eval =
3253 while (my ($k, $v) = each %$want) { 3314 while (my ($k, $v) = each %$want) {
3254 $ns->fx_want ($k, $v); 3315 $ns->fx_want ($k, $v);
3255 } 3316 }
3256}; 3317};
3257 3318
3319sub load_resource_file($) {
3320 my $guard = lock_acquire "load_resource_file";
3321
3322 my $status = load_resource_file_ $_[0];
3323 get_slot 0.1, 100;
3324 cf::arch::commit_load;
3325
3326 $status
3327}
3328
3258sub reload_regions { 3329sub reload_regions {
3259 # HACK to clear player env face cache, we need some signal framework 3330 # HACK to clear player env face cache, we need some signal framework
3260 # for this (global event?) 3331 # for this (global event?)
3261 %ext::player_env::MUSIC_FACE_CACHE = (); 3332 %ext::player_env::MUSIC_FACE_CACHE = ();
3262 3333
3275} 3346}
3276 3347
3277sub reload_archetypes { 3348sub reload_archetypes {
3278 load_resource_file "$DATADIR/archetypes" 3349 load_resource_file "$DATADIR/archetypes"
3279 or die "unable to load archetypes\n"; 3350 or die "unable to load archetypes\n";
3280 #d# NEED to laod twice to resolve forward references
3281 # this really needs to be done in an extra post-pass
3282 # (which needs to be synchronous, so solve it differently)
3283 load_resource_file "$DATADIR/archetypes"
3284 or die "unable to load archetypes\n";
3285} 3351}
3286 3352
3287sub reload_treasures { 3353sub reload_treasures {
3288 load_resource_file "$DATADIR/treasures" 3354 load_resource_file "$DATADIR/treasures"
3289 or die "unable to load treasurelists\n"; 3355 or die "unable to load treasurelists\n";
3290} 3356}
3291 3357
3292sub reload_resources { 3358sub reload_resources {
3293 warn "reloading resource files...\n"; 3359 warn "reloading resource files...\n";
3294 3360
3361 reload_facedata;
3362 reload_archetypes;
3295 reload_regions; 3363 reload_regions;
3296 reload_facedata;
3297 #reload_archetypes;#d#
3298 reload_archetypes;
3299 reload_treasures; 3364 reload_treasures;
3300 3365
3301 warn "finished reloading resource files\n"; 3366 warn "finished reloading resource files\n";
3302}
3303
3304sub init {
3305 reload_resources;
3306} 3367}
3307 3368
3308sub reload_config { 3369sub reload_config {
3309 open my $fh, "<:utf8", "$CONFDIR/config" 3370 open my $fh, "<:utf8", "$CONFDIR/config"
3310 or return; 3371 or return;
3311 3372
3312 local $/; 3373 local $/;
3313 *CFG = YAML::Syck::Load <$fh>; 3374 *CFG = YAML::Load <$fh>;
3314 3375
3315 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3376 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3316 3377
3317 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3378 $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}; 3379 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3324 }; 3385 };
3325 warn $@ if $@; 3386 warn $@ if $@;
3326 } 3387 }
3327} 3388}
3328 3389
3390sub pidfile() {
3391 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3392 or die "$PIDFILE: $!";
3393 flock $fh, &Fcntl::LOCK_EX
3394 or die "$PIDFILE: flock: $!";
3395 $fh
3396}
3397
3398# make sure only one server instance is running at any one time
3399sub atomic {
3400 my $fh = pidfile;
3401
3402 my $pid = <$fh>;
3403 kill 9, $pid if $pid > 0;
3404
3405 seek $fh, 0, 0;
3406 print $fh $$;
3407}
3408
3409sub main_loop {
3410 warn "EV::loop starting\n";
3411 if (1) {
3412 EV::loop;
3413 }
3414 warn "EV::loop returned\n";
3415 goto &main_loop unless $REALLY_UNLOOP;
3416}
3417
3329sub main { 3418sub main {
3419 cf::init_globals; # initialise logging
3420
3421 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3422 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3423 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3424 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3425
3426 cf::init_experience;
3427 cf::init_anim;
3428 cf::init_attackmess;
3429 cf::init_dynamic;
3430
3431 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3432
3330 # we must not ever block the main coroutine 3433 # we must not ever block the main coroutine
3331 local $Coro::idle = sub { 3434 local $Coro::idle = sub {
3332 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3435 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3333 (async { 3436 (async {
3334 $Coro::current->{desc} = "IDLE BUG HANDLER"; 3437 $Coro::current->{desc} = "IDLE BUG HANDLER";
3335 EV::loop EV::LOOP_ONESHOT; 3438 EV::loop EV::LOOP_ONESHOT;
3336 })->prio (Coro::PRIO_MAX); 3439 })->prio (Coro::PRIO_MAX);
3337 }; 3440 };
3338 3441
3442 evthread_start IO::AIO::poll_fileno;
3443
3444 cf::sync_job {
3445 reload_resources;
3339 reload_config; 3446 reload_config;
3340 db_init; 3447 db_init;
3448
3449 cf::load_settings;
3450 cf::load_materials;
3451 cf::init_uuid;
3452 cf::init_signals;
3453 cf::init_commands;
3454 cf::init_skills;
3455
3456 cf::init_beforeplay;
3457
3458 atomic;
3459
3341 load_extensions; 3460 load_extensions;
3342 3461
3343 $TICK_WATCHER->start; 3462 utime time, time, $RUNTIMEFILE;
3344 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority 3463
3345 EV::loop; 3464 # no (long-running) fork's whatsoever before this point(!)
3465 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3466
3467 (pop @POST_INIT)->(0) while @POST_INIT;
3468 };
3469
3470 main_loop;
3346} 3471}
3347 3472
3348############################################################################# 3473#############################################################################
3349# initialisation and cleanup 3474# initialisation and cleanup
3350 3475
3356 cf::cleanup "SIG$signal"; 3481 cf::cleanup "SIG$signal";
3357 }; 3482 };
3358 } 3483 }
3359} 3484}
3360 3485
3361sub write_runtime { 3486sub write_runtime_sync {
3362 my $runtime = "$LOCALDIR/runtime";
3363
3364 # first touch the runtime file to show we are still running: 3487 # first touch the runtime file to show we are still running:
3365 # the fsync below can take a very very long time. 3488 # the fsync below can take a very very long time.
3366 3489
3367 IO::AIO::aio_utime $runtime, undef, undef; 3490 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3368 3491
3369 my $guard = cf::lock_acquire "write_runtime"; 3492 my $guard = cf::lock_acquire "write_runtime";
3370 3493
3371 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3494 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3372 or return; 3495 or return;
3373 3496
3374 my $value = $cf::RUNTIME + 90 + 10; 3497 my $value = $cf::RUNTIME + 90 + 10;
3375 # 10 is the runtime save interval, for a monotonic clock 3498 # 10 is the runtime save interval, for a monotonic clock
3376 # 60 allows for the watchdog to kill the server. 3499 # 60 allows for the watchdog to kill the server.
3386 aio_utime $fh, undef, undef; 3509 aio_utime $fh, undef, undef;
3387 3510
3388 close $fh 3511 close $fh
3389 or return; 3512 or return;
3390 3513
3391 aio_rename "$runtime~", $runtime 3514 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3392 and return; 3515 and return;
3393 3516
3394 warn "runtime file written.\n"; 3517 warn "runtime file written.\n";
3395 3518
3396 1 3519 1
3520}
3521
3522our $uuid_lock;
3523our $uuid_skip;
3524
3525sub write_uuid_sync($) {
3526 $uuid_skip ||= $_[0];
3527
3528 return if $uuid_lock;
3529 local $uuid_lock = 1;
3530
3531 my $uuid = "$LOCALDIR/uuid";
3532
3533 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3534 or return;
3535
3536 my $value = uuid_seq uuid_cur;
3537
3538 unless ($value) {
3539 warn "cowardly refusing to write zero uuid value!\n";
3540 return;
3541 }
3542
3543 my $value = uuid_str $value + $uuid_skip;
3544 $uuid_skip = 0;
3545
3546 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3547 and return;
3548
3549 # always fsync - this file is important
3550 aio_fsync $fh
3551 and return;
3552
3553 close $fh
3554 or return;
3555
3556 aio_rename "$uuid~", $uuid
3557 and return;
3558
3559 warn "uuid file written ($value).\n";
3560
3561 1
3562
3563}
3564
3565sub write_uuid($$) {
3566 my ($skip, $sync) = @_;
3567
3568 $sync ? write_uuid_sync $skip
3569 : async { write_uuid_sync $skip };
3397} 3570}
3398 3571
3399sub emergency_save() { 3572sub emergency_save() {
3400 my $freeze_guard = cf::freeze_mainloop; 3573 my $freeze_guard = cf::freeze_mainloop;
3401 3574
3402 warn "enter emergency perl save\n"; 3575 warn "emergency_perl_save: enter\n";
3403 3576
3404 cf::sync_job { 3577 cf::sync_job {
3578 # this is a trade-off: we want to be very quick here, so
3579 # save all maps without fsync, and later call a global sync
3580 # (which in turn might be very very slow)
3581 local $USE_FSYNC = 0;
3582
3405 # use a peculiar iteration method to avoid tripping on perl 3583 # use a peculiar iteration method to avoid tripping on perl
3406 # refcount bugs in for. also avoids problems with players 3584 # refcount bugs in for. also avoids problems with players
3407 # and maps saved/destroyed asynchronously. 3585 # and maps saved/destroyed asynchronously.
3408 warn "begin emergency player save\n"; 3586 warn "emergency_perl_save: begin player save\n";
3409 for my $login (keys %cf::PLAYER) { 3587 for my $login (keys %cf::PLAYER) {
3410 my $pl = $cf::PLAYER{$login} or next; 3588 my $pl = $cf::PLAYER{$login} or next;
3411 $pl->valid or next; 3589 $pl->valid or next;
3412 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt 3590 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3413 $pl->save; 3591 $pl->save;
3414 } 3592 }
3415 warn "end emergency player save\n"; 3593 warn "emergency_perl_save: end player save\n";
3416 3594
3417 warn "begin emergency map save\n"; 3595 warn "emergency_perl_save: begin map save\n";
3418 for my $path (keys %cf::MAP) { 3596 for my $path (keys %cf::MAP) {
3419 my $map = $cf::MAP{$path} or next; 3597 my $map = $cf::MAP{$path} or next;
3420 $map->valid or next; 3598 $map->valid or next;
3421 $map->save; 3599 $map->save;
3422 } 3600 }
3423 warn "end emergency map save\n"; 3601 warn "emergency_perl_save: end map save\n";
3424 3602
3425 warn "begin emergency database checkpoint\n"; 3603 warn "emergency_perl_save: begin database checkpoint\n";
3426 BDB::db_env_txn_checkpoint $DB_ENV; 3604 BDB::db_env_txn_checkpoint $DB_ENV;
3427 warn "end emergency database checkpoint\n"; 3605 warn "emergency_perl_save: end database checkpoint\n";
3606
3607 warn "emergency_perl_save: begin write uuid\n";
3608 write_uuid_sync 1;
3609 warn "emergency_perl_save: end write uuid\n";
3428 }; 3610 };
3429 3611
3612 warn "emergency_perl_save: starting sync()\n";
3613 IO::AIO::aio_sync sub {
3614 warn "emergency_perl_save: finished sync()\n";
3615 };
3616
3430 warn "leave emergency perl save\n"; 3617 warn "emergency_perl_save: leave\n";
3431} 3618}
3432 3619
3433sub post_cleanup { 3620sub post_cleanup {
3434 my ($make_core) = @_; 3621 my ($make_core) = @_;
3435 3622
3436 warn Carp::longmess "post_cleanup backtrace" 3623 warn Carp::longmess "post_cleanup backtrace"
3437 if $make_core; 3624 if $make_core;
3625
3626 my $fh = pidfile;
3627 unlink $PIDFILE if <$fh> == $$;
3628}
3629
3630# a safer delete_package, copied from Symbol
3631sub clear_package($) {
3632 my $pkg = shift;
3633
3634 # expand to full symbol table name if needed
3635 unless ($pkg =~ /^main::.*::$/) {
3636 $pkg = "main$pkg" if $pkg =~ /^::/;
3637 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3638 $pkg .= '::' unless $pkg =~ /::$/;
3639 }
3640
3641 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3642 my $stem_symtab = *{$stem}{HASH};
3643
3644 defined $stem_symtab and exists $stem_symtab->{$leaf}
3645 or return;
3646
3647 # clear all symbols
3648 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3649 for my $name (keys %$leaf_symtab) {
3650 _gv_clear *{"$pkg$name"};
3651# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3652 }
3653 warn "cleared package $pkg\n";#d#
3438} 3654}
3439 3655
3440sub do_reload_perl() { 3656sub do_reload_perl() {
3441 # can/must only be called in main 3657 # can/must only be called in main
3442 if ($Coro::current != $Coro::main) { 3658 if ($Coro::current != $Coro::main) {
3443 warn "can only reload from main coroutine"; 3659 warn "can only reload from main coroutine";
3444 return; 3660 return;
3445 } 3661 }
3446 3662
3663 return if $RELOAD++;
3664
3665 my $t1 = EV::time;
3666
3667 while ($RELOAD) {
3447 warn "reloading..."; 3668 warn "reloading...";
3448 3669
3449 warn "entering sync_job"; 3670 warn "entering sync_job";
3450 3671
3451 cf::sync_job { 3672 cf::sync_job {
3452 cf::write_runtime; # external watchdog should not bark 3673 cf::write_runtime_sync; # external watchdog should not bark
3453 cf::emergency_save; 3674 cf::emergency_save;
3454 cf::write_runtime; # external watchdog should not bark 3675 cf::write_runtime_sync; # external watchdog should not bark
3455 3676
3456 warn "syncing database to disk"; 3677 warn "syncing database to disk";
3457 BDB::db_env_txn_checkpoint $DB_ENV; 3678 BDB::db_env_txn_checkpoint $DB_ENV;
3458 3679
3459 # if anything goes wrong in here, we should simply crash as we already saved 3680 # if anything goes wrong in here, we should simply crash as we already saved
3460 3681
3461 warn "flushing outstanding aio requests"; 3682 warn "flushing outstanding aio requests";
3462 for (;;) {
3463 BDB::flush;
3464 IO::AIO::flush;
3465 Coro::cede_notself;
3466 last unless IO::AIO::nreqs || BDB::nreqs; 3683 while (IO::AIO::nreqs || BDB::nreqs) {
3467 warn "iterate..."; 3684 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3468 }
3469
3470 ++$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 } 3685 }
3493 3686
3494 warn "... nuking $pkg"; 3687 warn "cancelling all extension coros";
3495 Symbol::delete_package $pkg; 3688 $_->cancel for values %EXT_CORO;
3496 } 3689 %EXT_CORO = ();
3497 3690
3498 warn "unloading all perl modules loaded from $LIBDIR"; 3691 warn "removing commands";
3499 while (my ($k, $v) = each %INC) { 3692 %COMMAND = ();
3500 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3501 3693
3694 warn "removing ext/exti commands";
3695 %EXTCMD = ();
3696 %EXTICMD = ();
3697
3698 warn "unloading/nuking all extensions";
3699 for my $pkg (@EXTS) {
3502 warn "... unloading $k"; 3700 warn "... unloading $pkg";
3503 delete $INC{$k};
3504 3701
3505 $k =~ s/\.pm$//;
3506 $k =~ s/\//::/g;
3507
3508 if (my $cb = $k->can ("unload_module")) { 3702 if (my $cb = $pkg->can ("unload")) {
3703 eval {
3509 $cb->(); 3704 $cb->($pkg);
3705 1
3706 } or warn "$pkg unloaded, but with errors: $@";
3707 }
3708
3709 warn "... clearing $pkg";
3710 clear_package $pkg;
3510 } 3711 }
3511 3712
3512 Symbol::delete_package $k; 3713 warn "unloading all perl modules loaded from $LIBDIR";
3714 while (my ($k, $v) = each %INC) {
3715 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3716
3717 warn "... unloading $k";
3718 delete $INC{$k};
3719
3720 $k =~ s/\.pm$//;
3721 $k =~ s/\//::/g;
3722
3723 if (my $cb = $k->can ("unload_module")) {
3724 $cb->();
3725 }
3726
3727 clear_package $k;
3513 } 3728 }
3514 3729
3515 warn "getting rid of safe::, as good as possible"; 3730 warn "getting rid of safe::, as good as possible";
3516 Symbol::delete_package "safe::$_" 3731 clear_package "safe::$_"
3517 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3732 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3518 3733
3519 warn "unloading cf.pm \"a bit\""; 3734 warn "unloading cf.pm \"a bit\"";
3520 delete $INC{"cf.pm"}; 3735 delete $INC{"cf.pm"};
3521 delete $INC{"cf/pod.pm"}; 3736 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3522 3737
3523 # don't, removes xs symbols, too, 3738 # don't, removes xs symbols, too,
3524 # and global variables created in xs 3739 # and global variables created in xs
3525 #Symbol::delete_package __PACKAGE__; 3740 #clear_package __PACKAGE__;
3526 3741
3527 warn "unload completed, starting to reload now"; 3742 warn "unload completed, starting to reload now";
3528 3743
3529 warn "reloading cf.pm"; 3744 warn "reloading cf.pm";
3530 require cf; 3745 require cf;
3531 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3746 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3532 3747
3533 warn "loading config and database again"; 3748 warn "loading config and database again";
3534 cf::reload_config; 3749 cf::reload_config;
3535 3750
3536 warn "loading extensions"; 3751 warn "loading extensions";
3537 cf::load_extensions; 3752 cf::load_extensions;
3538 3753
3754 if ($REATTACH_ON_RELOAD) {
3539 warn "reattaching attachments to objects/players"; 3755 warn "reattaching attachments to objects/players";
3540 _global_reattach; # objects, sockets 3756 _global_reattach; # objects, sockets
3541 warn "reattaching attachments to maps"; 3757 warn "reattaching attachments to maps";
3542 reattach $_ for values %MAP; 3758 reattach $_ for values %MAP;
3543 warn "reattaching attachments to players"; 3759 warn "reattaching attachments to players";
3544 reattach $_ for values %PLAYER; 3760 reattach $_ for values %PLAYER;
3761 }
3545 3762
3763 warn "running post_init jobs";
3764 (pop @POST_INIT)->(1) while @POST_INIT;
3765
3546 warn "leaving sync_job"; 3766 warn "leaving sync_job";
3547 3767
3548 1 3768 1
3549 } or do { 3769 } or do {
3550 warn $@; 3770 warn $@;
3551 warn "error while reloading, exiting."; 3771 cf::cleanup "error while reloading, exiting.";
3552 exit 1;
3553 }; 3772 };
3554 3773
3555 warn "reloaded"; 3774 warn "reloaded";
3775 --$RELOAD;
3776 }
3777
3778 $t1 = EV::time - $t1;
3779 warn "reload completed in ${t1}s\n";
3556}; 3780};
3557 3781
3558our $RELOAD_WATCHER; # used only during reload 3782our $RELOAD_WATCHER; # used only during reload
3559 3783
3560sub reload_perl() { 3784sub reload_perl() {
3561 # doing reload synchronously and two reloads happen back-to-back, 3785 # doing reload synchronously and two reloads happen back-to-back,
3562 # coro crashes during coro_state_free->destroy here. 3786 # coro crashes during coro_state_free->destroy here.
3563 3787
3788 $RELOAD_WATCHER ||= cf::async {
3789 Coro::AIO::aio_wait cache_extensions;
3790
3564 $RELOAD_WATCHER ||= EV::timer 0, 0, sub { 3791 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3792 do_reload_perl;
3565 undef $RELOAD_WATCHER; 3793 undef $RELOAD_WATCHER;
3566 do_reload_perl; 3794 };
3567 }; 3795 };
3568} 3796}
3569 3797
3570register_command "reload" => sub { 3798register_command "reload" => sub {
3571 my ($who, $arg) = @_; 3799 my ($who, $arg) = @_;
3585 3813
3586our @WAIT_FOR_TICK; 3814our @WAIT_FOR_TICK;
3587our @WAIT_FOR_TICK_BEGIN; 3815our @WAIT_FOR_TICK_BEGIN;
3588 3816
3589sub wait_for_tick { 3817sub wait_for_tick {
3590 return unless $TICK_WATCHER->is_active;
3591 return if $Coro::current == $Coro::main; 3818 return if tick_inhibit || $Coro::current == $Coro::main;
3592 3819
3593 my $signal = new Coro::Signal; 3820 my $signal = new Coro::Signal;
3594 push @WAIT_FOR_TICK, $signal; 3821 push @WAIT_FOR_TICK, $signal;
3595 $signal->wait; 3822 $signal->wait;
3596} 3823}
3597 3824
3598sub wait_for_tick_begin { 3825sub wait_for_tick_begin {
3599 return unless $TICK_WATCHER->is_active;
3600 return if $Coro::current == $Coro::main; 3826 return if tick_inhibit || $Coro::current == $Coro::main;
3601 3827
3602 my $signal = new Coro::Signal; 3828 my $signal = new Coro::Signal;
3603 push @WAIT_FOR_TICK_BEGIN, $signal; 3829 push @WAIT_FOR_TICK_BEGIN, $signal;
3604 $signal->wait; 3830 $signal->wait;
3605} 3831}
3606 3832
3607$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub { 3833sub tick {
3608 if ($Coro::current != $Coro::main) { 3834 if ($Coro::current != $Coro::main) {
3609 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3835 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3610 unless ++$bug_warning > 10; 3836 unless ++$bug_warning > 10;
3611 return; 3837 return;
3612 } 3838 }
3613 3839
3614 $NOW = $tick_start = EV::now;
3615
3616 cf::server_tick; # one server iteration 3840 cf::server_tick; # one server iteration
3617
3618 $RUNTIME += $TICK;
3619 $NEXT_TICK = $_[0]->at;
3620 3841
3621 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3842 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3622 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.; 3843 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3623 Coro::async_pool { 3844 Coro::async_pool {
3624 $Coro::current->{desc} = "runtime saver"; 3845 $Coro::current->{desc} = "runtime saver";
3625 write_runtime 3846 write_runtime_sync
3626 or warn "ERROR: unable to write runtime file: $!"; 3847 or warn "ERROR: unable to write runtime file: $!";
3627 }; 3848 };
3628 } 3849 }
3629 3850
3630 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3851 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3632 } 3853 }
3633 while (my $sig = shift @WAIT_FOR_TICK) { 3854 while (my $sig = shift @WAIT_FOR_TICK) {
3634 $sig->send; 3855 $sig->send;
3635 } 3856 }
3636 3857
3637 $LOAD = ($NOW - $tick_start) / $TICK; 3858 $LOAD = ($NOW - $TICK_START) / $TICK;
3638 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3859 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3639 3860
3640 _post_tick; 3861 if (0) {
3641}; 3862 if ($NEXT_TICK) {
3642$TICK_WATCHER->priority (EV::MAXPRI); 3863 my $jitter = $TICK_START - $NEXT_TICK;
3864 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3865 warn "jitter $JITTER\n";#d#
3866 }
3867 }
3868}
3643 3869
3644{ 3870{
3645 # configure BDB 3871 # configure BDB
3646 3872
3647 BDB::min_parallel 8; 3873 BDB::min_parallel 8;
3648 BDB::max_poll_reqs $TICK * 0.1; 3874 BDB::max_poll_reqs $TICK * 0.1;
3649 $Coro::BDB::WATCHER->priority (1); 3875 $AnyEvent::BDB::WATCHER->priority (1);
3650 3876
3651 unless ($DB_ENV) { 3877 unless ($DB_ENV) {
3652 $DB_ENV = BDB::db_env_create; 3878 $DB_ENV = BDB::db_env_create;
3653 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC 3879 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3654 | BDB::LOG_AUTOREMOVE, 1); 3880 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3881 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3655 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT); 3882 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3656 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT); 3883 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3657 3884
3658 cf::sync_job { 3885 cf::sync_job {
3659 eval { 3886 eval {
3685{ 3912{
3686 # configure IO::AIO 3913 # configure IO::AIO
3687 3914
3688 IO::AIO::min_parallel 8; 3915 IO::AIO::min_parallel 8;
3689 IO::AIO::max_poll_time $TICK * 0.1; 3916 IO::AIO::max_poll_time $TICK * 0.1;
3690 $Coro::AIO::WATCHER->priority (1); 3917 undef $AnyEvent::AIO::WATCHER;
3691} 3918}
3692 3919
3693my $_log_backtrace; 3920my $_log_backtrace;
3694 3921
3695sub _log_backtrace { 3922sub _log_backtrace {
3698 $msg =~ s/\n//; 3925 $msg =~ s/\n//;
3699 3926
3700 # limit the # of concurrent backtraces 3927 # limit the # of concurrent backtraces
3701 if ($_log_backtrace < 2) { 3928 if ($_log_backtrace < 2) {
3702 ++$_log_backtrace; 3929 ++$_log_backtrace;
3930 my $perl_bt = Carp::longmess $msg;
3703 async { 3931 async {
3704 $Coro::current->{desc} = "abt $msg"; 3932 $Coro::current->{desc} = "abt $msg";
3705 3933
3706 my @bt = fork_call { 3934 my @bt = fork_call {
3707 @addr = map { sprintf "%x", $_ } @addr; 3935 @addr = map { sprintf "%x", $_ } @addr;
3718 } 3946 }
3719 3947
3720 @funcs 3948 @funcs
3721 }; 3949 };
3722 3950
3723 LOG llevInfo, "[ABT] $msg\n"; 3951 LOG llevInfo, "[ABT] $perl_bt\n";
3952 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3724 LOG llevInfo, "[ABT] $_\n" for @bt; 3953 LOG llevInfo, "[ABT] $_\n" for @bt;
3725 --$_log_backtrace; 3954 --$_log_backtrace;
3726 }; 3955 };
3727 } else { 3956 } else {
3728 LOG llevInfo, "[ABT] $msg\n"; 3957 LOG llevInfo, "[ABT] $msg\n";
3729 LOG llevInfo, "[ABT] [suppressed]\n"; 3958 LOG llevInfo, "[ABT] [suppressed]\n";
3730 } 3959 }
3731} 3960}
3732 3961
3733# load additional modules 3962# load additional modules
3734use cf::pod; 3963require "cf/$_.pm" for @EXTRA_MODULES;
3735 3964
3736END { cf::emergency_save } 3965END { cf::emergency_save }
3737 3966
37381 39671
3739 3968

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