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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.220 by root, Sat Feb 17 23:54:35 2007 UTC vs.
Revision 1.538 by root, Tue May 4 21:45:43 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# 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 Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
12		38
		39	use Guard ();
13	use Coro 3.5 ();	40	use Coro ();
		41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
14	use Coro::Event;	44	use Coro::AnyEvent;
15	use Coro::Timer;	45	use Coro::Timer;
16	use Coro::Signal;	46	use Coro::Signal;
17	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
18	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
19		54
		55	use JSON::XS 2.01 ();
20	use BDB ();	56	use BDB ();
21	use Data::Dumper;	57	use Data::Dumper;
22	use Digest::MD5;
23	use Fcntl;	58	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
26	use Time::HiRes;	61	use Time::HiRes;
27	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
28		64
		65	AnyEvent::detect;
		66
		67	# configure various modules to our taste
		68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		77
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		80
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		82
40	our %COMMAND = ();	83	our %COMMAND = ();
41	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
42		85
43	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
47		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
48	our @EVENT;	93	our @EVENT;
49	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
50		96
51	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	98	our $DATADIR = datadir;
53	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	121	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
58		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
59	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
61		130
62	our %CFG;	131	our %CFG;
63		132
64	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
66		136
67	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		140
76	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
		153
79	binmode STDOUT;	154	binmode STDOUT;
80	binmode STDERR;	155	binmode STDERR;
81		156
82	# read virtual server time, if available	157	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
87	}	162	}
88		163
89	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
90	mkdir cf::localdir . "/" . cf::playerdir;	165
91	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
92	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		168
96	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
97		170
98	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
99		187
100	#############################################################################	188	#############################################################################
101		189
102	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
103		191
…		…
110	=item $cf::RUNTIME	198	=item $cf::RUNTIME
111		199
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	200	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	201	every server tick.
114		202
115	=item $cf::LIBDIR	203	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		204	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		205	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		206
117	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	208	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		209	unique-items directory, player file directory, random maps directory and
		210	database environment.
119		211
120	=item $cf::NOW	212	=item $cf::NOW
121		213
122	The time of the last (current) server tick.	214	The time of the last (current) server tick.
123		215
124	=item $cf::TICK	216	=item $cf::TICK
125		217
126	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
127		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
128	=item %cf::CFG	230	=item %cf::CFG
129		231
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	233	from wherever your confdir points to.
132		234
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		236
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	238	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
139		252
140	=back	253	=back
141		254
142	=cut	255	=cut
143		256
144	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
145	*CORE::GLOBAL::warn = sub {	258	sub warn (@) { LOG llevWarn , join "", @_ }
		259	sub info (@) { LOG llevInfo , join "", @_ }
		260	sub debug(@) { LOG llevDebug, join "", @_ }
		261	sub trace(@) { LOG llevTrace, join "", @_ }
		262
		263	$Coro::State::WARNHOOK = sub {
146	my $msg = join "", @_;	264	my $msg = join "", @_;
147	utf8::encode $msg;
148		265
149	$msg .= "\n"	266	$msg .= "\n"
150	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
151		268
		269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		270
152	LOG llevError, $msg;	271	LOG llevWarn, $msg;
153	};	272	};
154	}	273
		274	$Coro::State::DIEHOOK = sub {
		275	return unless $^S eq 0; # "eq", not "=="
		276
		277	error Carp::longmess $_[0];
		278
		279	if (in_main) {#d#
		280	error "DIEHOOK called in main context, Coro bug?\n";#d#
		281	return;#d#
		282	}#d#
		283
		284	# kill coroutine otherwise
		285	Coro::terminate
		286	};
155		287
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	292	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		293	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	294	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		295
163	# we bless all objects into (empty) derived classes to force a method lookup	296	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	297	# within the Safe compartment.
165	for my $pkg (qw(	298	for my $pkg (qw(
166	cf::global cf::attachable	299	cf::global cf::attachable
167	cf::object cf::object::player	300	cf::object cf::object::player
168	cf::client cf::player	301	cf::client cf::player
169	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
170	cf::map cf::party cf::region	304	cf::party cf::region
171	)) {	305	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	307	}
175		308
176	$Event::DIED = sub {	309	$EV::DIED = sub {
177	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
178	};	311	};
		312
		313	#############################################################################
179		314
180	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
181		316
182	=over 4	317	=over 4
183		318
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	337	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	338	$d
204	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
205	}	340	}
206		341
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
210		343
211	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
212		345
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
221		347
222	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
223		349
224	=cut	350	=cut
225		351
226	sub to_json($) {	352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	353
228	JSON::Syck::Dump $_[0]	354	sub encode_json($) { $json_coder->encode ($_[0]) }
		355	sub decode_json($) { $json_coder->decode ($_[0]) }
		356
		357	=item cf::post_init { BLOCK }
		358
		359	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		360	but I<before> the server starts ticking again.
		361
		362	The cdoeblock will have a single boolean argument to indicate whether this
		363	is a reload or not.
		364
		365	=cut
		366
		367	sub post_init(&) {
		368	push @POST_INIT, shift;
229	}	369	}
230		370
231	=item cf::lock_wait $string	371	=item cf::lock_wait $string
232		372
233	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
234		374
235	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
236		376
237	Wait until the given lock is available and then acquires it and returns	377	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	378	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
240	returned.	380	returned.
241		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
242	Lock names should begin with a unique identifier (for example, cf::map::find	385	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
244		387
245	=cut	388	=item $locked = cf::lock_active $string
246		389
247	our %LOCK;	390	Return true if the lock is currently active, i.e. somebody has locked it.
		391
		392	=cut
		393
		394	our $LOCKS = new Coro::SemaphoreSet;
248		395
249	sub lock_wait($) {	396	sub lock_wait($) {
250	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
251
252	# wait for lock, if any
253	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;
256	}
257	}	398	}
258		399
259	sub lock_acquire($) {	400	sub lock_acquire($) {
260	my ($key) = @_;	401	$LOCKS->guard ($_[0])
		402	}
261		403
262	# wait, to be sure we are not locked	404	sub lock_active($) {
263	lock_wait $key;	405	$LOCKS->count ($_[0]) < 1
264
265	$LOCK{$key} = [];
266
267	Coro::guard {
268	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };
270	}
271	}	406	}
272		407
273	sub freeze_mainloop {	408	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
275		410
276	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
277	$TICK_WATCHER->start;	412	}
		413
		414	=item cf::periodic $interval, $cb
		415
		416	Like EV::periodic, but randomly selects a starting point so that the actions
		417	get spread over time.
		418
		419	=cut
		420
		421	sub periodic($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
278	};	478	}
279	$TICK_WATCHER->stop;	479	};
280	$guard	480
		481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
		484	my ($time, $pri, $name) = @_;
		485
		486	$time = clamp $time, 0.01, $TICK * .6;
		487
		488	my $sig = new Coro::Signal;
		489
		490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		492	$SLOT_QUEUE->ready;
		493	$sig->wait;
281	}	494	}
282		495
283	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
284		497
285	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
290		503
291	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
292		505
293	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
294		507
295	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
298		512
299	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
302	fast or be very important.	516	fast or be very important.
…		…
304	=cut	518	=cut
305		519
306	sub sync_job(&) {	520	sub sync_job(&) {
307	my ($job) = @_;	521	my ($job) = @_;
308		522
309	if ($Coro::current == $Coro::main) {	523	if (in_main) {
		524	my $time = AE::time;
		525
310	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
312		528
313	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
314	# (but this is cancel-safe)	530
315	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
316		532
317	my $busy = 1;	533	my $busy = 1;
318	my @res;	534	my @res;
319		535
320	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	538	@res = eval { $job->() };
322	warn $@ if $@;	539	error $@ if $@;
323	undef $busy;	540	undef $busy;
324	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
325		542
326	while ($busy) {	543	while ($busy) {
327	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
328	}	548	}
		549	}
		550
		551	my $time = AE::time - $time;
		552
		553	$TICK_START += $time; # do not account sync jobs to server load
329		554
330	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
331	} else {	556	} else {
332	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
333		558
…		…
353	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
354		579
355	$coro	580	$coro
356	}	581	}
357		582
358	sub write_runtime {	583	=item fork_call { }, $args
359	my $guard = cf::lock_acquire "write_runtime";
360		584
361	my $runtime = cf::localdir . "/runtime";	585	Executes the given code block with the given arguments in a seperate
		586	process, returning the results. Everything must be serialisable with
		587	Coro::Storable. May, of course, block. Note that the executed sub may
		588	never block itself or use any form of event handling.
362		589
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	590	=cut
364	or return;
365		591
366	my $value = $cf::RUNTIME + 90 + 10;	592	sub fork_call(&@) {
367	# 10 is the runtime save interval, for a monotonic clock	593	my ($cb, @args) = @_;
368	# 60 allows for the watchdog to kill the server.
369		594
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	595	# we seemingly have to make a local copy of the whole thing,
371	and return;	596	# otherwise perl prematurely frees the stuff :/
		597	# TODO: investigate and fix (likely this will be rather laborious)
372		598
373	# always fsync - this file is important	599	my @res = Coro::Util::fork_eval {
374	aio_fsync $fh	600	reset_signals;
375	and return;	601	&$cb
		602	}, @args;
376		603
377	close $fh	604	wantarray ? @res : $res[-1]
378	or return;	605	}
379		606
380	aio_rename "$runtime~", $runtime	607	sub objinfo {
381	and return;
382
383	1	608	(
		609	"counter value" => cf::object::object_count,
		610	"objects created" => cf::object::create_count,
		611	"objects destroyed" => cf::object::destroy_count,
		612	"freelist size" => cf::object::free_count,
		613	"allocated objects" => cf::object::objects_size,
		614	"active objects" => cf::object::actives_size,
		615	)
		616	}
		617
		618	=item $coin = coin_from_name $name
		619
		620	=cut
		621
		622	our %coin_alias = (
		623	"silver" => "silvercoin",
		624	"silvercoin" => "silvercoin",
		625	"silvercoins" => "silvercoin",
		626	"gold" => "goldcoin",
		627	"goldcoin" => "goldcoin",
		628	"goldcoins" => "goldcoin",
		629	"platinum" => "platinacoin",
		630	"platinumcoin" => "platinacoin",
		631	"platinumcoins" => "platinacoin",
		632	"platina" => "platinacoin",
		633	"platinacoin" => "platinacoin",
		634	"platinacoins" => "platinacoin",
		635	"royalty" => "royalty",
		636	"royalties" => "royalty",
		637	);
		638
		639	sub coin_from_name($) {
		640	$coin_alias{$_[0]}
		641	? cf::arch::find $coin_alias{$_[0]}
		642	: undef
		643	}
		644
		645	=item $value = cf::db_get $family => $key
		646
		647	Returns a single value from the environment database.
		648
		649	=item cf::db_put $family => $key => $value
		650
		651	Stores the given C<$value> in the family. It can currently store binary
		652	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		653
		654	=item $db = cf::db_table "name"
		655
		656	Create and/or open a new database table. The string must not be "db" and must be unique
		657	within each server.
		658
		659	=cut
		660
		661	sub db_table($) {
		662	cf::error "db_get called from main context"
		663	if $Coro::current == $Coro::main;
		664
		665	my ($name) = @_;
		666	my $db = BDB::db_create $DB_ENV;
		667
		668	eval {
		669	$db->set_flags (BDB::CHKSUM);
		670
		671	utf8::encode $name;
		672	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		673	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		674	cf::cleanup "db_open(db): $!" if $!;
		675	};
		676	cf::cleanup "db_open(db): $@" if $@;
		677
		678	$db
		679	}
		680
		681	our $DB;
		682
		683	sub db_init {
		684	$DB ||= db_table "db";
		685	}
		686
		687	sub db_get($$) {
		688	my $key = "$_[0]/$_[1]";
		689
		690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
		693	BDB::db_get $DB, undef, $key, my $data;
		694
		695	$! ? ()
		696	: $data
		697	}
		698
		699	sub db_put($$$) {
		700	BDB::dbreq_pri 4;
		701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		702	}
		703
		704	=item cf::cache $id => [$paths...], $processversion => $process
		705
		706	Generic caching function that returns the value of the resource $id,
		707	caching and regenerating as required.
		708
		709	This function can block.
		710
		711	=cut
		712
		713	sub cache {
		714	my ($id, $src, $processversion, $process) = @_;
		715
		716	my $meta =
		717	join "\x00",
		718	$processversion,
		719	map {
		720	aio_stat $_
		721	and Carp::croak "$_: $!";
		722
		723	($_, (stat _)[7,9])
		724	} @$src;
		725
		726	my $dbmeta = db_get cache => "$id/meta";
		727	if ($dbmeta ne $meta) {
		728	# changed, we may need to process
		729
		730	my @data;
		731	my $md5;
		732
		733	for (0 .. $#$src) {
		734	0 <= aio_load $src->[$_], $data[$_]
		735	or Carp::croak "$src->[$_]: $!";
		736	}
		737
		738	# if processing is expensive, check
		739	# checksum first
		740	if (1) {
		741	$md5 =
		742	join "\x00",
		743	$processversion,
		744	map {
		745	cf::cede_to_tick;
		746	($src->[$_], Digest::MD5::md5_hex $data[$_])
		747	} 0.. $#$src;
		748
		749
		750	my $dbmd5 = db_get cache => "$id/md5";
		751	if ($dbmd5 eq $md5) {
		752	db_put cache => "$id/meta", $meta;
		753
		754	return db_get cache => "$id/data";
		755	}
		756	}
		757
		758	my $t1 = Time::HiRes::time;
		759	my $data = $process->(\@data);
		760	my $t2 = Time::HiRes::time;
		761
		762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		763
		764	db_put cache => "$id/data", $data;
		765	db_put cache => "$id/md5" , $md5;
		766	db_put cache => "$id/meta", $meta;
		767
		768	return $data;
		769	}
		770
		771	db_get cache => "$id/data"
		772	}
		773
		774	=item cf::datalog type => key => value, ...
		775
		776	Log a datalog packet of the given type with the given key-value pairs.
		777
		778	=cut
		779
		780	sub datalog($@) {
		781	my ($type, %kv) = @_;
		782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	783	}
385		784
386	=back	785	=back
387		786
388	=cut	787	=cut
389		788
390	#############################################################################	789	#############################################################################
391		790
392	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
393		792
394	Many objects in crossfire are so-called attachable objects. That means you can	793	Many objects in deliantra are so-called attachable objects. That means you can
395	attach callbacks/event handlers (a collection of which is called an "attachment")	794	attach callbacks/event handlers (a collection of which is called an "attachment")
396	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
397		796
398	In the following description, CLASS can be any of C<global>, C<object>	797	In the following description, CLASS can be any of C<global>, C<object>
399	C<player>, C<client> or C<map> (i.e. the attachable objects in	798	C<player>, C<client> or C<map> (i.e. the attachable objects in
400	crossfire+).	799	Deliantra).
401		800
402	=over 4	801	=over 4
403		802
404	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
405		804
…		…
449	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
450		849
451	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
452	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
453		852
454	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
455	that are attached at load/instantiate time, thus the need for a name.	854	that are attached at load/instantiate time, thus the need for a name.
456		855
457	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
458		857
459	=over 4	858	=over 4
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	967	$registry = $CB_TYPE[$object_type] ||= [];
569		968
570	} elsif ($type eq "subtype") {	969	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	970	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	971	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	972	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		973
575	} elsif ($type eq "package") {	974	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	975	my $pkg = shift @arg;
577		976
578	while (my ($name, $id) = each %cb_id) {	977	while (my ($name, $id) = each %cb_id) {
…		…
583		982
584	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
585	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
586		985
587	} elsif (ref $type) {	986	} elsif (ref $type) {
588	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
589		988
590	} else {	989	} else {
591	shift @arg;	990	shift @arg;
592	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
593	}	992	}
594	}	993	}
595	}	994	}
596		995
597	sub _object_attach {	996	sub _object_attach {
…		…
607	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
608	}	1007	}
609		1008
610	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
611	} else {	1010	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
613	}	1012	}
614		1013
615	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
616	}	1015	}
617		1016
…		…
619	if (ref $_[0]) {	1018	if (ref $_[0]) {
620	_object_attach @_;	1019	_object_attach @_;
621	} else {	1020	} else {
622	_attach shift->_attach_registry, @_;	1021	_attach shift->_attach_registry, @_;
623	}	1022	}
		1023	_recalc_want;
624	};	1024	};
625		1025
626	# all those should be optimised	1026	# all those should be optimised
627	sub cf::attachable::detach {	1027	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	1028	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	1031	delete $obj->{_attachment}{$name};
632	reattach ($obj);	1032	reattach ($obj);
633	} else {	1033	} else {
634	Carp::croak "cannot, currently, detach class attachments";	1034	Carp::croak "cannot, currently, detach class attachments";
635	}	1035	}
		1036	_recalc_want;
636	};	1037	};
637		1038
638	sub cf::attachable::attached {	1039	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	1040	my ($obj, $name) = @_;
640		1041
…		…
655	";	1056	";
656	die if $@;	1057	die if $@;
657	}	1058	}
658		1059
659	our $override;	1060	our $override;
660	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1061	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
661		1062
662	sub override {	1063	sub override {
663	$override = 1;	1064	$override = 1;
664	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
665	}	1066	}
666		1067
667	sub do_invoke {	1068	sub do_invoke {
668	my $event = shift;	1069	my $event = shift;
669	my $callbacks = shift;	1070	my $callbacks = shift;
670		1071
671	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
672		1073
673	local $override;	1074	local $override;
674		1075
675	for (@$callbacks) {	1076	for (@$callbacks) {
676	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
677		1078
678	if ($@) {	1079	if ($@) {
679	warn "$@";
680	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
681	override;	1081	override;
682	}	1082	}
683		1083
684	return 1 if $override;	1084	return 1 if $override;
685	}	1085	}
686		1086
687	0	1087	0
688	}	1088	}
689		1089
690	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691		1091
692	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693		1093
694	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
695		1095
696	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1096	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
697	removed in future versions), and there is no public API to access override	1097	removed in future versions), and there is no public API to access override
698	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		1099
700	=back	1100	=back
701		1101
702	=cut	1102	=cut
703		1103
704	#############################################################################	1104	#############################################################################
705	# object support	1105	# object support
		1106
		1107	sub _object_equal($$);
		1108	sub _object_equal($$) {
		1109	my ($a, $b) = @_;
		1110
		1111	return 0 unless (ref $a) eq (ref $b);
		1112
		1113	if ("HASH" eq ref $a) {
		1114	my @ka = keys %$a;
		1115	my @kb = keys %$b;
		1116
		1117	return 0 if @ka != @kb;
		1118
		1119	for (0 .. $#ka) {
		1120	return 0 unless $ka[$_] eq $kb[$_];
		1121	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1122	}
		1123
		1124	} elsif ("ARRAY" eq ref $a) {
		1125
		1126	return 0 if @$a != @$b;
		1127
		1128	for (0 .. $#$a) {
		1129	return 0 unless _object_equal $a->[$_], $b->[$_];
		1130	}
		1131
		1132	} elsif ($a ne $b) {
		1133	return 0;
		1134	}
		1135
		1136	1
		1137	}
		1138
		1139	our $SLOW_MERGES;#d#
		1140	sub _can_merge {
		1141	my ($ob1, $ob2) = @_;
		1142
		1143	++$SLOW_MERGES;#d#
		1144
		1145	# we do the slow way here
		1146	return _object_equal $ob1, $ob2
		1147	}
706		1148
707	sub reattach {	1149	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1151	my ($obj) = @_;
710		1152
		1153	# no longer needed after getting rid of delete_package?
711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1154	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
712		1155
713	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
714		1157
715	@$registry = ();	1158	@$registry = ();
716		1159
…		…
721	for (@$attach) {	1164	for (@$attach) {
722	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
723	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
724	}	1167	}
725	} else {	1168	} else {
726	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
727	}	1170	}
728	}	1171	}
729	}	1172	}
730		1173
731	cf::attachable->attach (	1174	cf::attachable->attach (
732	prio => -1000000,	1175	prio => -1000000,
733	on_instantiate => sub {	1176	on_instantiate => sub {
734	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
735		1178
736	$data = from_json $data;	1179	$data = decode_json $data;
737		1180
738	for (@$data) {	1181	for (@$data) {
739	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
740		1183
741	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1200	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
759		1202
760	sync_job {	1203	sync_job {
761	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
764		1209
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1213	if ($cf::USE_FSYNC) {
		1214	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;
		1215	aio_fsync $fh;
		1216	}
769	close $fh;	1217	aio_close $fh;
770		1218
771	if (@$objs) {	1219	if (@$objs) {
772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1220	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
773	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
776	aio_fsync $fh if $cf::USE_FSYNC;	1224	if ($cf::USE_FSYNC) {
		1225	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;
		1226	aio_fsync $fh;
		1227	}
777	close $fh;	1228	aio_close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
779	}	1230	}
780	} else {	1231	} else {
781	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
782	}	1233	}
783		1234
784	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
785	} else {	1239	} else {
786	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
787	}	1241	}
788	} else {	1242	} else {
789	aio_unlink $filename;	1243	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
791	}	1245	}
792	}	1246	};
793	}	1247	}
794		1248
795	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
796	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
797		1251
…		…
809	or return;	1263	or return;
810		1264
811	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
813	or return;	1267	or return;
		1268
814	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
815	}	1271	}
816		1272
		1273	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
819	return ($data, $av);	1278	($data, $av)
820	}	1279	}
		1280
		1281	=head2 COMMAND CALLBACKS
		1282
		1283	=over 4
		1284
		1285	=cut
821		1286
822	#############################################################################	1287	#############################################################################
823	# command handling &c	1288	# command handling &c
824		1289
825	=item cf::register_command $name => \&callback($ob,$args);	1290	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1304	}
840		1305
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1307
843	Register a callbackf ro execution when the client sends an extcmd packet.	1308	Register a callback for execution when the client sends an (synchronous)
		1309	extcmd packet. Ext commands will be processed in the order they are
		1310	received by the server, like other user commands. The first argument is
		1311	the logged-in player. Ext commands can only be processed after a player
		1312	has logged in successfully.
844		1313
845	If the callback returns something, it is sent back as if reply was being	1314	If the callback returns something, it is sent back as if reply was being
846	called.	1315	called.
847		1316
		1317	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1318
		1319	Register a callback for execution when the client sends an (asynchronous)
		1320	exticmd packet. Exti commands are processed by the server as soon as they
		1321	are received, i.e. out of order w.r.t. other commands. The first argument
		1322	is a client socket. Exti commands can be received anytime, even before
		1323	log-in.
		1324
		1325	If the callback returns something, it is sent back as if reply was being
		1326	called.
		1327
848	=cut	1328	=cut
849		1329
850	sub register_extcmd {	1330	sub register_extcmd {
851	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
852		1332
853	$EXTCMD{$name} = $cb;	1333	$EXTCMD{$name} = $cb;
854	}	1334	}
855		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
		1343
856	cf::player->attach (	1344	cf::player->attach (
857	on_command => sub {	1345	on_unknown_command => sub {
858	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
859		1347
860	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
861	or return;	1349	or return;
862		1350
…		…
867	cf::override;	1355	cf::override;
868	},	1356	},
869	on_extcmd => sub {	1357	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
871		1359
872	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1361
874	if (ref $msg) {	1362	if (ref $msg) {
		1363	my ($type, $reply, @payload) =
		1364	"ARRAY" eq ref $msg
		1365	? @$msg
		1366	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1367
		1368	my @reply;
		1369
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
880	} else {	1377	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1379	}
883		1380
884	cf::override;	1381	cf::override;
885	},	1382	},
886	);	1383	);
887		1384
		1385	# "readahead" all extensions
888	sub load_extension {	1386	sub cache_extensions {
889	my ($path) = @_;	1387	my $grp = IO::AIO::aio_group;
890		1388
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
892	my $base = $1;	1390	for (grep /\.ext$/, @{$_[0]}) {
893	my $pkg = $1;	1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}	1392	}
916	die $@;
917	}	1393	};
918		1394
919	push @EXTS, $pkg;	1395	$grp
920	}	1396	}
921		1397
922	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
		1401	cf::sync_job {
		1402	my %todo;
		1403
923	for my $ext (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1405	next unless -r $path;
925	eval {	1406
926	load_extension $ext;	1407	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1408	my $base = $1;
		1409	my $pkg = $1;
		1410	$pkg =~ s/[^[:word:]]/_/g;
		1411	$pkg = "ext::$pkg";
		1412
		1413	open my $fh, "<:utf8", $path
		1414	or die "$path: $!";
		1415
		1416	my $source = do { local $/; <$fh> };
		1417
		1418	my %ext = (
		1419	path => $path,
		1420	base => $base,
		1421	pkg => $pkg,
		1422	);
		1423
		1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1426
		1427	$ext{source} =
		1428	"package $pkg; use common::sense;\n"
		1429	. "#line 1 \"$path\"\n{\n"
		1430	. $source
		1431	. "\n};\n1";
		1432
		1433	$todo{$base} = \%ext;
		1434	}
		1435
		1436	my $pass = 0;
		1437	my %done;
		1438	while (%todo) {
		1439	my $progress;
		1440
		1441	++$pass;
		1442
		1443	ext:
		1444	while (my ($k, $v) = each %todo) {
		1445	for (split /,\s*/, $v->{meta}{depends}) {
		1446	next ext
		1447	unless exists $done{$_};
		1448	}
		1449
		1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1451
		1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
		1455	error "$v->{path}: $@\n";
		1456	undef $@; # work around perl 5.10.0 utf-8 caching bug
		1457
		1458	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1459	if exists $v->{meta}{mandatory};
		1460
		1461	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1462	delete $todo{$k};
		1463	} else {
		1464	$done{$k} = delete $todo{$k};
		1465	push @EXTS, $v->{pkg};
		1466	$progress = 1;
		1467
		1468	info "$v->{base}: extension inactive.\n"
		1469	unless $active;
		1470	}
927	1	1471	}
928	} or warn "$ext not loaded: $@";	1472
		1473	unless ($progress) {
		1474	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1475
		1476	while (my ($k, $v) = each %todo) {
		1477	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1478	if exists $v->{meta}{mandatory};
		1479	}
		1480	}
		1481	}
929	}	1482	};
930	}	1483	}
931		1484
932	#############################################################################	1485	#############################################################################
933		1486
		1487	=back
		1488
934	=head2 CORE EXTENSIONS	1489	=head2 CORE EXTENSIONS
935		1490
936	Functions and methods that extend core crossfire objects.	1491	Functions and methods that extend core deliantra objects.
937		1492
938	=cut	1493	=cut
939		1494
940	package cf::player;	1495	package cf::player;
941		1496
…		…
943		1498
944	=head3 cf::player	1499	=head3 cf::player
945		1500
946	=over 4	1501	=over 4
947		1502
		1503	=item cf::player::num_playing
		1504
		1505	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1506
		1507	=cut
		1508
		1509	sub num_playing {
		1510	scalar grep
		1511	$_->ob->map
		1512	&& !$_->hidden
		1513	&& !$_->ob->flag (cf::FLAG_WIZ),
		1514	cf::player::list
		1515	}
		1516
948	=item cf::player::find $login	1517	=item cf::player::find $login
949		1518
950	Returns the given player object, loading it if necessary (might block).	1519	Returns the given player object, loading it if necessary (might block).
951		1520
952	=cut	1521	=cut
953		1522
954	sub playerdir($) {	1523	sub playerdir($) {
955	cf::localdir	1524	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1525	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1526	}
961		1527
962	sub path($) {	1528	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1529	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1530
965	(playerdir $login) . "/$login.pl"	1531	(playerdir $login) . "/playerdata"
966	}	1532	}
967		1533
968	sub find_active($) {	1534	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1535	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1536	and $cf::PLAYER{$_[0]}->active
…		…
973		1539
974	sub exists($) {	1540	sub exists($) {
975	my ($login) = @_;	1541	my ($login) = @_;
976		1542
977	$cf::PLAYER{$login}	1543	$cf::PLAYER{$login}
978	or cf::sync_job { !aio_stat path $login }	1544	or !aio_stat path $login
979	}	1545	}
980		1546
981	sub find($) {	1547	sub find($) {
982	return $cf::PLAYER{$_[0]} || do {	1548	return $cf::PLAYER{$_[0]} || do {
983	my $login = $_[0];	1549	my $login = $_[0];
984		1550
985	my $guard = cf::lock_acquire "user_find:$login";	1551	my $guard = cf::lock_acquire "user_find:$login";
986		1552
987	$cf::PLAYER{$_[0]} || do {	1553	$cf::PLAYER{$_[0]} || do {
988	my $pl = load_pl path $login	1554	# rename old playerfiles to new ones
		1555	#TODO: remove when no longer required
		1556	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1557	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1558	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1559	aio_unlink +(playerdir $login) . "/$login.pl";
		1560
		1561	my $f = new_from_file cf::object::thawer path $login
989	or return;	1562	or return;
		1563
		1564	my $pl = cf::player::load_pl $f
		1565	or return;
		1566
		1567	local $cf::PLAYER_LOADING{$login} = $pl;
		1568	$f->resolve_delayed_derefs;
990	$cf::PLAYER{$login} = $pl	1569	$cf::PLAYER{$login} = $pl
991	}	1570	}
992	}	1571	}
993	}	1572	}
		1573
		1574	cf::player->attach (
		1575	on_load => sub {
		1576	my ($pl, $path) = @_;
		1577
		1578	# restore slots saved in save, below
		1579	my $slots = delete $pl->{_slots};
		1580
		1581	$pl->ob->current_weapon ($slots->[0]);
		1582	$pl->combat_ob ($slots->[1]);
		1583	$pl->ranged_ob ($slots->[2]);
		1584	},
		1585	);
994		1586
995	sub save($) {	1587	sub save($) {
996	my ($pl) = @_;	1588	my ($pl) = @_;
997		1589
998	return if $pl->{deny_save};	1590	return if $pl->{deny_save};
…		…
1003	return if $pl->{deny_save};	1595	return if $pl->{deny_save};
1004		1596
1005	aio_mkdir playerdir $pl, 0770;	1597	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1598	$pl->{last_save} = $cf::RUNTIME;
1007		1599
		1600	cf::get_slot 0.01;
		1601
		1602	# save slots, to be restored later
		1603	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1604
1008	$pl->save_pl ($path);	1605	$pl->save_pl ($path);
1009	Coro::cede;	1606	cf::cede_to_tick;
1010	}	1607	}
1011		1608
1012	sub new($) {	1609	sub new($) {
1013	my ($login) = @_;	1610	my ($login) = @_;
1014		1611
…		…
1020	$cf::PLAYER{$login} = $self;	1617	$cf::PLAYER{$login} = $self;
1021		1618
1022	$self	1619	$self
1023	}	1620	}
1024		1621
		1622	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1623
		1624	=cut
		1625
		1626	sub send_msg {
		1627	my $ns = shift->ns
		1628	or return;
		1629	$ns->send_msg (@_);
		1630	}
		1631
1025	=item $pl->quit_character	1632	=item $pl->quit_character
1026		1633
1027	Nukes the player without looking back. If logged in, the connection will	1634	Nukes the player without looking back. If logged in, the connection will
1028	be destroyed. May block for a long time.	1635	be destroyed. May block for a long time.
1029		1636
…		…
1033	my ($pl) = @_;	1640	my ($pl) = @_;
1034		1641
1035	my $name = $pl->ob->name;	1642	my $name = $pl->ob->name;
1036		1643
1037	$pl->{deny_save} = 1;	1644	$pl->{deny_save} = 1;
1038	$pl->password ("*"); # this should lock out the player until we nuked the dir	1645	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1039		1646
1040	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1647	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1041	$pl->deactivate;	1648	$pl->deactivate;
		1649	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1042	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1650	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1043	$pl->ns->destroy if $pl->ns;	1651	$pl->ns->destroy if $pl->ns;
1044		1652
1045	my $path = playerdir $pl;	1653	my $path = playerdir $pl;
1046	my $temp = "$path~$cf::RUNTIME~deleting~";	1654	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1054	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;	1662	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1055		1663
1056	IO::AIO::aio_rmtree $temp;	1664	IO::AIO::aio_rmtree $temp;
1057	}	1665	}
1058		1666
		1667	=item $pl->kick
		1668
		1669	Kicks a player out of the game. This destroys the connection.
		1670
		1671	=cut
		1672
		1673	sub kick {
		1674	my ($pl, $kicker) = @_;
		1675
		1676	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1677	$pl->killer ("kicked");
		1678	$pl->ns->destroy;
		1679	}
		1680
1059	=item cf::player::list_logins	1681	=item cf::player::list_logins
1060		1682
1061	Returns am arrayref of all valid playernames in the system, can take a	1683	Returns am arrayref of all valid playernames in the system, can take a
1062	while and may block, so not sync_job-capable, ever.	1684	while and may block, so not sync_job-capable, ever.
1063		1685
1064	=cut	1686	=cut
1065		1687
1066	sub list_logins {	1688	sub list_logins {
1067	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1689	my $dirs = aio_readdir $PLAYERDIR
1068	or return [];	1690	or return [];
1069		1691
1070	my @logins;	1692	my @logins;
1071		1693
1072	for my $login (@$dirs) {	1694	for my $login (@$dirs) {
		1695	my $path = path $login;
		1696
		1697	# a .pst is a dead give-away for a valid player
		1698	# if no pst file found, open and chekc for blocked users
		1699	if (aio_stat "$path.pst") {
1073	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1700	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1074	aio_read $fh, 0, 512, my $buf, 0 or next;	1701	aio_read $fh, 0, 512, my $buf, 0 or next;
1075	$buf !~ /^password -------------$/m or next; # official not-valid tag	1702	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1703	}
1076		1704
1077	utf8::decode $login;	1705	utf8::decode $login;
1078	push @logins, $login;	1706	push @logins, $login;
1079	}	1707	}
1080		1708
1081	\@logins	1709	\@logins
1082	}	1710	}
1083		1711
1084	=item $player->maps	1712	=item $player->maps
		1713
		1714	=item cf::player::maps $login
1085		1715
1086	Returns an arrayref of map paths that are private for this	1716	Returns an arrayref of map paths that are private for this
1087	player. May block.	1717	player. May block.
1088		1718
1089	=cut	1719	=cut
…		…
1107	}	1737	}
1108		1738
1109	\@paths	1739	\@paths
1110	}	1740	}
1111		1741
		1742	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1743
		1744	Expand deliantra pod fragments into protocol xml.
		1745
1112	=item $player->ext_reply ($msgid, $msgtype, %msg)	1746	=item $player->ext_reply ($msgid, @msg)
1113		1747
1114	Sends an ext reply to the player.	1748	Sends an ext reply to the player.
1115		1749
1116	=cut	1750	=cut
1117		1751
1118	sub ext_reply($$$%) {	1752	sub ext_reply($$@) {
1119	my ($self, $id, %msg) = @_;	1753	my ($self, $id, @msg) = @_;
1120		1754
1121	$msg{msgid} = $id;	1755	$self->ns->ext_reply ($id, @msg)
1122
1123	$self->send ("ext " . cf::to_json \%msg);
1124	}	1756	}
1125		1757
1126	package cf;	1758	=item $player->ext_msg ($type, @msg)
		1759
		1760	Sends an ext event to the client.
		1761
		1762	=cut
		1763
		1764	sub ext_msg($$@) {
		1765	my ($self, $type, @msg) = @_;
		1766
		1767	$self->ns->ext_msg ($type, @msg);
		1768	}
		1769
		1770	=head3 cf::region
		1771
		1772	=over 4
		1773
		1774	=cut
		1775
		1776	package cf::region;
		1777
		1778	=item cf::region::find_by_path $path
		1779
		1780	Tries to decuce the likely region for a map knowing only its path.
		1781
		1782	=cut
		1783
		1784	sub find_by_path($) {
		1785	my ($path) = @_;
		1786
		1787	$path =~ s/^~[^\/]*//; # skip ~login
		1788
		1789	my ($match, $specificity);
		1790
		1791	for my $region (list) {
		1792	if ($region->{match} && $path =~ $region->{match}) {
		1793	($match, $specificity) = ($region, $region->specificity)
		1794	if $region->specificity > $specificity;
		1795	}
		1796	}
		1797
		1798	$match
		1799	}
1127		1800
1128	=back	1801	=back
1129
1130		1802
1131	=head3 cf::map	1803	=head3 cf::map
1132		1804
1133	=over 4	1805	=over 4
1134		1806
…		…
1146	our $MAX_RESET = 3600;	1818	our $MAX_RESET = 3600;
1147	our $DEFAULT_RESET = 3000;	1819	our $DEFAULT_RESET = 3000;
1148		1820
1149	sub generate_random_map {	1821	sub generate_random_map {
1150	my ($self, $rmp) = @_;	1822	my ($self, $rmp) = @_;
		1823
		1824	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1825
1151	# mit "rum" bekleckern, nicht	1826	# mit "rum" bekleckern, nicht
1152	$self->_create_random_map (	1827	$self->_create_random_map (
1153	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1828	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1154	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1829	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1155	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1830	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1156	$rmp->{exit_on_final_map},	1831	$rmp->{exit_on_final_map},
1157	$rmp->{xsize}, $rmp->{ysize},	1832	$rmp->{xsize}, $rmp->{ysize},
1158	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1833	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1159	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1834	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1181		1856
1182	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1857	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1183	}	1858	}
1184		1859
1185	# also paths starting with '/'	1860	# also paths starting with '/'
1186	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1861	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1187		1862
1188	sub thawer_merge {	1863	sub thawer_merge {
1189	my ($self, $merge) = @_;	1864	my ($self, $merge) = @_;
1190		1865
1191	# we have to keep some variables in memory intact	1866	# we have to keep some variables in memory intact
1192	local $self->{path};	1867	local $self->{path};
1193	local $self->{load_path};	1868	local $self->{load_path};
1194	local $self->{deny_save};
1195	local $self->{deny_reset};
1196		1869
1197	$self->SUPER::thawer_merge ($merge);	1870	$self->SUPER::thawer_merge ($merge);
1198	}	1871	}
1199		1872
1200	sub normalise {	1873	sub normalise {
…		…
1247	$self->init; # pass $1 etc.	1920	$self->init; # pass $1 etc.
1248	return $self;	1921	return $self;
1249	}	1922	}
1250	}	1923	}
1251		1924
1252	Carp::carp "unable to resolve path '$path' (base '$base').";	1925	Carp::cluck "unable to resolve path '$path' (base '$base').";
1253	()	1926	()
1254	}	1927	}
1255		1928
1256	sub init {	1929	sub init {
1257	my ($self) = @_;	1930	my ($self) = @_;
…		…
1272		1945
1273	# the original (read-only) location	1946	# the original (read-only) location
1274	sub load_path {	1947	sub load_path {
1275	my ($self) = @_;	1948	my ($self) = @_;
1276		1949
1277	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1950	"$MAPDIR/$self->{path}.map"
1278	}	1951	}
1279		1952
1280	# the temporary/swap location	1953	# the temporary/swap location
1281	sub save_path {	1954	sub save_path {
1282	my ($self) = @_;	1955	my ($self) = @_;
1283		1956
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1957	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1285	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1958	"$TMPDIR/$path.map"
1286	}	1959	}
1287		1960
1288	# the unique path, undef == no special unique path	1961	# the unique path, undef == no special unique path
1289	sub uniq_path {	1962	sub uniq_path {
1290	my ($self) = @_;	1963	my ($self) = @_;
1291		1964
1292	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1965	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1293	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1966	"$UNIQUEDIR/$path"
1294	}	1967	}
1295		1968
1296	# and all this just because we cannot iterate over	1969	sub decay_objects {
1297	# all maps in C++...
1298	sub change_all_map_light {
1299	my ($change) = @_;	1970	my ($self) = @_;
1300		1971
1301	$_->change_map_light ($change)	1972	return if $self->{deny_reset};
1302	for grep $_->outdoor, values %cf::MAP;	1973
		1974	$self->do_decay_objects;
1303	}	1975	}
1304		1976
1305	sub unlink_save {	1977	sub unlink_save {
1306	my ($self) = @_;	1978	my ($self) = @_;
1307		1979
…		…
1312		1984
1313	sub load_header_from($) {	1985	sub load_header_from($) {
1314	my ($self, $path) = @_;	1986	my ($self, $path) = @_;
1315		1987
1316	utf8::encode $path;	1988	utf8::encode $path;
1317	#aio_open $path, O_RDONLY, 0	1989	my $f = new_from_file cf::object::thawer $path
1318	# or return;
1319
1320	$self->_load_header ($path)
1321	or return;	1990	or return;
		1991
		1992	$self->_load_header ($f)
		1993	or return;
		1994
		1995	local $MAP_LOADING{$self->{path}} = $self;
		1996	$f->resolve_delayed_derefs;
1322		1997
1323	$self->{load_path} = $path;	1998	$self->{load_path} = $path;
1324		1999
1325	1	2000	1
1326	}	2001	}
…		…
1365	$self->load_header_orig	2040	$self->load_header_orig
1366	or return;	2041	or return;
1367	$self->prepare_orig;	2042	$self->prepare_orig;
1368	}	2043	}
1369		2044
		2045	$self->{deny_reset} = 1
		2046	if $self->no_reset;
		2047
		2048	$self->default_region (cf::region::find_by_path $self->{path})
		2049	unless $self->default_region;
		2050
1370	1	2051	1
1371	}	2052	}
1372		2053
1373	sub find;	2054	sub find;
1374	sub find {	2055	sub find {
1375	my ($path, $origin) = @_;	2056	my ($path, $origin) = @_;
1376		2057
1377	$path = normalise $path, $origin && $origin->path;	2058	$path = normalise $path, $origin && $origin->path;
1378		2059
		2060	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1379	cf::lock_wait "map_find:$path";	2061	my $guard2 = cf::lock_acquire "map_find:$path";
1380		2062
1381	$cf::MAP{$path} || do {	2063	$cf::MAP{$path} || do {
1382	my $guard = cf::lock_acquire "map_find:$path";
1383	my $map = new_from_path cf::map $path	2064	my $map = new_from_path cf::map $path
1384	or return;	2065	or return;
1385		2066
1386	$map->{last_save} = $cf::RUNTIME;	2067	$map->{last_save} = $cf::RUNTIME;
1387		2068
1388	$map->load_header	2069	$map->load_header
1389	or return;	2070	or return;
1390		2071
1391	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2072	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1392	# doing this can freeze the server in a sync job, obviously	2073	# doing this can freeze the server in a sync job, obviously
1393	#$cf::WAIT_FOR_TICK->wait;	2074	#$cf::WAIT_FOR_TICK->wait;
		2075	undef $guard2;
		2076	undef $guard1;
1394	$map->reset;	2077	$map->reset;
1395	undef $guard;
1396	return find $path;	2078	return find $path;
1397	}	2079	}
1398		2080
1399	$cf::MAP{$path} = $map	2081	$cf::MAP{$path} = $map
1400	}	2082	}
1401	}	2083	}
1402		2084
1403	sub pre_load { }	2085	sub pre_load { }
1404	sub post_load { }	2086	#sub post_load { } # XS
1405		2087
1406	sub load {	2088	sub load {
1407	my ($self) = @_;	2089	my ($self) = @_;
1408		2090
1409	local $self->{deny_reset} = 1; # loading can take a long time	2091	local $self->{deny_reset} = 1; # loading can take a long time
1410		2092
1411	my $path = $self->{path};	2093	my $path = $self->{path};
		2094
		2095	{
1412	my $guard = cf::lock_acquire "map_load:$path";	2096	my $guard = cf::lock_acquire "map_data:$path";
1413		2097
		2098	return unless $self->valid;
1414	return if $self->in_memory != cf::MAP_SWAPPED;	2099	return unless $self->in_memory == cf::MAP_SWAPPED;
1415		2100
1416	$self->in_memory (cf::MAP_LOADING);	2101	$self->in_memory (cf::MAP_LOADING);
1417		2102
1418	$self->alloc;	2103	$self->alloc;
1419		2104
1420	$self->pre_load;	2105	$self->pre_load;
		2106	cf::cede_to_tick;
1421		2107
1422	$self->_load_objects ($self->{load_path}, 1)	2108	my $f = new_from_file cf::object::thawer $self->{load_path};
		2109	$f->skip_block;
		2110	$self->_load_objects ($f)
1423	or return;	2111	or return;
1424		2112
1425	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2113	$self->post_load_original
1426	if delete $self->{load_original};	2114	if delete $self->{load_original};
1427		2115
1428	if (my $uniq = $self->uniq_path) {	2116	if (my $uniq = $self->uniq_path) {
1429	utf8::encode $uniq;	2117	utf8::encode $uniq;
1430	if (aio_open $uniq, O_RDONLY, 0) {	2118	unless (aio_stat $uniq) {
		2119	if (my $f = new_from_file cf::object::thawer $uniq) {
1431	$self->clear_unique_items;	2120	$self->clear_unique_items;
1432	$self->_load_objects ($uniq, 0);	2121	$self->_load_objects ($f);
		2122	$f->resolve_delayed_derefs;
		2123	}
1433	}	2124	}
1434	}	2125	}
1435		2126
1436	Coro::cede;	2127	$f->resolve_delayed_derefs;
1437		2128
		2129	cf::cede_to_tick;
1438	# now do the right thing for maps	2130	# now do the right thing for maps
1439	$self->link_multipart_objects;	2131	$self->link_multipart_objects;
1440
1441	unless ($self->{deny_activate}) {
1442	$self->decay_objects;
1443	$self->fix_auto_apply;
1444	$self->update_buttons;
1445	Coro::cede;
1446	$self->set_darkness_map;
1447	$self->difficulty ($self->estimate_difficulty)	2132	$self->difficulty ($self->estimate_difficulty)
1448	unless $self->difficulty;	2133	unless $self->difficulty;
1449	Coro::cede;	2134	cf::cede_to_tick;
		2135
		2136	unless ($self->{deny_activate}) {
		2137	$self->decay_objects;
		2138	$self->fix_auto_apply;
		2139	$self->update_buttons;
		2140	cf::cede_to_tick;
1450	$self->activate;	2141	$self->activate;
		2142	}
		2143
		2144	$self->{last_save} = $cf::RUNTIME;
		2145	$self->last_access ($cf::RUNTIME);
		2146
		2147	$self->in_memory (cf::MAP_ACTIVE);
1451	}	2148	}
1452		2149
1453	$self->post_load;	2150	$self->post_load;
1454
1455	$self->in_memory (cf::MAP_IN_MEMORY);
1456	}	2151	}
1457		2152
		2153	# customize the map for a given player, i.e.
		2154	# return the _real_ map. used by e.g. per-player
		2155	# maps to change the path to ~playername/mappath
1458	sub customise_for {	2156	sub customise_for {
1459	my ($self, $ob) = @_;	2157	my ($self, $ob) = @_;
1460		2158
1461	return find "~" . $ob->name . "/" . $self->{path}	2159	return find "~" . $ob->name . "/" . $self->{path}
1462	if $self->per_player;	2160	if $self->per_player;
1463		2161
		2162	# return find "?party/" . $ob->name . "/" . $self->{path}
		2163	# if $self->per_party;
		2164
1464	$self	2165	$self
1465	}	2166	}
1466		2167
1467	# find and load all maps in the 3x3 area around a map	2168	# find and load all maps in the 3x3 area around a map
1468	sub load_diag {	2169	sub load_neighbours {
1469	my ($map) = @_;	2170	my ($map) = @_;
1470		2171
1471	my @diag; # diagonal neighbours	2172	my @neigh; # diagonal neighbours
1472		2173
1473	for (0 .. 3) {	2174	for (0 .. 3) {
1474	my $neigh = $map->tile_path ($_)	2175	my $neigh = $map->tile_path ($_)
1475	or next;	2176	or next;
1476	$neigh = find $neigh, $map	2177	$neigh = find $neigh, $map
1477	or next;	2178	or next;
1478	$neigh->load;	2179	$neigh->load;
1479		2180
		2181	# now find the diagonal neighbours
		2182	push @neigh,
1480	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2183	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1481	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2184	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1482	}	2185	}
1483		2186
1484	for (@diag) {	2187	for (grep defined $_->[0], @neigh) {
		2188	my ($path, $origin) = @$_;
1485	my $neigh = find @$_	2189	my $neigh = find $path, $origin
1486	or next;	2190	or next;
1487	$neigh->load;	2191	$neigh->load;
1488	}	2192	}
1489	}	2193	}
1490		2194
1491	sub find_sync {	2195	sub find_sync {
1492	my ($path, $origin) = @_;	2196	my ($path, $origin) = @_;
1493		2197
1494	cf::sync_job { find $path, $origin }	2198	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2199	if $Coro::current == $Coro::main;
		2200
		2201	find $path, $origin
1495	}	2202	}
1496		2203
1497	sub do_load_sync {	2204	sub do_load_sync {
1498	my ($map) = @_;	2205	my ($map) = @_;
1499		2206
1500	cf::sync_job { $map->load };	2207	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2208	if $Coro::current == $Coro::main;
		2209
		2210	$map->load;
1501	}	2211	}
1502		2212
1503	our %MAP_PREFETCH;	2213	our %MAP_PREFETCH;
1504	our $MAP_PREFETCHER = undef;	2214	our $MAP_PREFETCHER = undef;
1505		2215
1506	sub find_async {	2216	sub find_async {
1507	my ($path, $origin) = @_;	2217	my ($path, $origin, $load) = @_;
1508		2218
1509	$path = normalise $path, $origin && $origin->{path};	2219	$path = normalise $path, $origin && $origin->{path};
1510		2220
1511	if (my $map = $cf::MAP{$path}) {	2221	if (my $map = $cf::MAP{$path}) {
1512	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2222	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1513	}	2223	}
1514		2224
1515	undef $MAP_PREFETCH{$path};	2225	$MAP_PREFETCH{$path} |= $load;
		2226
1516	$MAP_PREFETCHER ||= cf::async {	2227	$MAP_PREFETCHER ||= cf::async {
		2228	$Coro::current->{desc} = "map prefetcher";
		2229
1517	while (%MAP_PREFETCH) {	2230	while (%MAP_PREFETCH) {
1518	for my $path (keys %MAP_PREFETCH) {	2231	while (my ($k, $v) = each %MAP_PREFETCH) {
1519	my $map = find $path	2232	if (my $map = find $k) {
1520	or next;
1521	$map->load;	2233	$map->load if $v;
		2234	}
1522		2235
1523	delete $MAP_PREFETCH{$path};	2236	delete $MAP_PREFETCH{$k};
1524	}	2237	}
1525	}	2238	}
1526	undef $MAP_PREFETCHER;	2239	undef $MAP_PREFETCHER;
1527	};	2240	};
1528	$MAP_PREFETCHER->prio (6);	2241	$MAP_PREFETCHER->prio (6);
1529		2242
1530	()	2243	()
1531	}	2244	}
1532		2245
		2246	# common code, used by both ->save and ->swapout
1533	sub save {	2247	sub _save {
1534	my ($self) = @_;	2248	my ($self) = @_;
1535
1536	my $lock = cf::lock_acquire "map_data:" . $self->path;
1537		2249
1538	$self->{last_save} = $cf::RUNTIME;	2250	$self->{last_save} = $cf::RUNTIME;
1539		2251
1540	return unless $self->dirty;	2252	return unless $self->dirty;
1541		2253
…		…
1547	return if $self->{deny_save};	2259	return if $self->{deny_save};
1548		2260
1549	local $self->{last_access} = $self->last_access;#d#	2261	local $self->{last_access} = $self->last_access;#d#
1550		2262
1551	cf::async {	2263	cf::async {
		2264	$Coro::current->{desc} = "map player save";
1552	$_->contr->save for $self->players;	2265	$_->contr->save for $self->players;
1553	};	2266	};
		2267
		2268	cf::get_slot 0.02;
1554		2269
1555	if ($uniq) {	2270	if ($uniq) {
1556	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2271	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1557	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2272	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1558	} else {	2273	} else {
1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2274	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1560	}	2275	}
1561	}	2276	}
1562		2277
		2278	sub save {
		2279	my ($self) = @_;
		2280
		2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2282
		2283	$self->_save;
		2284	}
		2285
1563	sub swap_out {	2286	sub swap_out {
1564	my ($self) = @_;	2287	my ($self) = @_;
1565		2288
1566	# save first because save cedes
1567	$self->save;
1568
1569	my $lock = cf::lock_acquire "map_data:" . $self->path;	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
1570		2290
		2291	return if $self->in_memory != cf::MAP_ACTIVE;
		2292	return if $self->{deny_save};
1571	return if $self->players;	2293	return if $self->players;
1572	return if $self->in_memory != cf::MAP_IN_MEMORY;
1573	return if $self->{deny_save};
1574		2294
		2295	# first deactivate the map and "unlink" it from the core
		2296	$self->deactivate;
		2297	$_->clear_links_to ($self) for values %cf::MAP;
		2298	$self->in_memory (cf::MAP_SWAPPED);
		2299
		2300	# then atomically save
		2301	$self->_save;
		2302
		2303	# then free the map
1575	$self->clear;	2304	$self->clear;
1576	$self->in_memory (cf::MAP_SWAPPED);
1577	}	2305	}
1578		2306
1579	sub reset_at {	2307	sub reset_at {
1580	my ($self) = @_;	2308	my ($self) = @_;
1581		2309
1582	# TODO: safety, remove and allow resettable per-player maps	2310	# TODO: safety, remove and allow resettable per-player maps
1583	return 1e99 if $self->isa ("ext::map_per_player");#d#
1584	return 1e99 if $self->{deny_reset};	2311	return 1e99 if $self->{deny_reset};
1585		2312
1586	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2313	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1587	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2314	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1588		2315
…		…
1599	my ($self) = @_;	2326	my ($self) = @_;
1600		2327
1601	my $lock = cf::lock_acquire "map_data:$self->{path}";	2328	my $lock = cf::lock_acquire "map_data:$self->{path}";
1602		2329
1603	return if $self->players;	2330	return if $self->players;
1604	return if $self->isa ("ext::map_per_player");#d#
1605		2331
1606	warn "resetting map ", $self->path;#d#	2332	cf::trace "resetting map ", $self->path, "\n";
1607		2333
1608	$self->in_memory (cf::MAP_SWAPPED);	2334	$self->in_memory (cf::MAP_SWAPPED);
1609		2335
1610	# need to save uniques path	2336	# need to save uniques path
1611	unless ($self->{deny_save}) {	2337	unless ($self->{deny_save}) {
…		…
1615	if $uniq;	2341	if $uniq;
1616	}	2342	}
1617		2343
1618	delete $cf::MAP{$self->path};	2344	delete $cf::MAP{$self->path};
1619		2345
		2346	$self->deactivate;
		2347	$_->clear_links_to ($self) for values %cf::MAP;
1620	$self->clear;	2348	$self->clear;
1621
1622	$_->clear_links_to ($self) for values %cf::MAP;
1623		2349
1624	$self->unlink_save;	2350	$self->unlink_save;
1625	$self->destroy;	2351	$self->destroy;
1626	}	2352	}
1627		2353
1628	my $nuke_counter = "aaaa";	2354	my $nuke_counter = "aaaa";
1629		2355
1630	sub nuke {	2356	sub nuke {
1631	my ($self) = @_;	2357	my ($self) = @_;
1632		2358
		2359	{
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
1633	delete $cf::MAP{$self->path};	2362	delete $cf::MAP{$self->path};
1634		2363
1635	$self->unlink_save;	2364	$self->unlink_save;
1636		2365
1637	bless $self, "cf::map";	2366	bless $self, "cf::map::wrap";
1638	delete $self->{deny_reset};	2367	delete $self->{deny_reset};
1639	$self->{deny_save} = 1;	2368	$self->{deny_save} = 1;
1640	$self->reset_timeout (1);	2369	$self->reset_timeout (1);
1641	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2370	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1642		2371
1643	$cf::MAP{$self->path} = $self;	2372	$cf::MAP{$self->path} = $self;
		2373	}
1644		2374
1645	$self->reset; # polite request, might not happen	2375	$self->reset; # polite request, might not happen
		2376	}
		2377
		2378	=item $maps = cf::map::tmp_maps
		2379
		2380	Returns an arrayref with all map paths of currently instantiated and saved
		2381	maps. May block.
		2382
		2383	=cut
		2384
		2385	sub tmp_maps() {
		2386	[
		2387	map {
		2388	utf8::decode $_;
		2389	/\.map$/
		2390	? normalise $_
		2391	: ()
		2392	} @{ aio_readdir $TMPDIR or [] }
		2393	]
		2394	}
		2395
		2396	=item $maps = cf::map::random_maps
		2397
		2398	Returns an arrayref with all map paths of currently instantiated and saved
		2399	random maps. May block.
		2400
		2401	=cut
		2402
		2403	sub random_maps() {
		2404	[
		2405	map {
		2406	utf8::decode $_;
		2407	/\.map$/
		2408	? normalise "?random/$_"
		2409	: ()
		2410	} @{ aio_readdir $RANDOMDIR or [] }
		2411	]
1646	}	2412	}
1647		2413
1648	=item cf::map::unique_maps	2414	=item cf::map::unique_maps
1649		2415
1650	Returns an arrayref of paths of all shared maps that have	2416	Returns an arrayref of paths of all shared maps that have
1651	instantiated unique items. May block.	2417	instantiated unique items. May block.
1652		2418
1653	=cut	2419	=cut
1654		2420
1655	sub unique_maps() {	2421	sub unique_maps() {
1656	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2422	[
1657	or return;	2423	map {
1658
1659	my @paths;
1660
1661	for (@$files) {
1662	utf8::decode $_;	2424	utf8::decode $_;
1663	next if /\.pst$/;	2425	s/\.map$//; # TODO future compatibility hack
1664	next unless /^$PATH_SEP/o;	2426	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1665		2427	? ()
1666	push @paths, cf::map::normalise $_;	2428	: normalise $_
		2429	} @{ aio_readdir $UNIQUEDIR or [] }
1667	}	2430	]
1668
1669	\@paths
1670	}	2431	}
1671		2432
1672	package cf;	2433	=item cf::map::static_maps
		2434
		2435	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2436	file in the shared directory excluding F</styles> and F</editor>). May
		2437	block.
		2438
		2439	=cut
		2440
		2441	sub static_maps() {
		2442	my @dirs = "";
		2443	my @maps;
		2444
		2445	while (@dirs) {
		2446	my $dir = shift @dirs;
		2447
		2448	next if $dir eq "/styles" || $dir eq "/editor";
		2449
		2450	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2451	or return;
		2452
		2453	for (@$files) {
		2454	s/\.map$// or next;
		2455	utf8::decode $_;
		2456	push @maps, "$dir/$_";
		2457	}
		2458
		2459	push @dirs, map "$dir/$_", @$dirs;
		2460	}
		2461
		2462	\@maps
		2463	}
1673		2464
1674	=back	2465	=back
1675		2466
1676	=head3 cf::object	2467	=head3 cf::object
1677		2468
…		…
1681		2472
1682	=over 4	2473	=over 4
1683		2474
1684	=item $ob->inv_recursive	2475	=item $ob->inv_recursive
1685		2476
1686	Returns the inventory of the object _and_ their inventories, recursively.	2477	Returns the inventory of the object I<and> their inventories, recursively,
		2478	but I<not> the object itself.
1687		2479
1688	=cut	2480	=cut
1689		2481
1690	sub inv_recursive_;	2482	sub inv_recursive_;
1691	sub inv_recursive_ {	2483	sub inv_recursive_ {
…		…
1694		2486
1695	sub inv_recursive {	2487	sub inv_recursive {
1696	inv_recursive_ inv $_[0]	2488	inv_recursive_ inv $_[0]
1697	}	2489	}
1698		2490
		2491	=item $ref = $ob->ref
		2492
		2493	Creates and returns a persistent reference to an object that can be stored as a string.
		2494
		2495	=item $ob = cf::object::deref ($refstring)
		2496
		2497	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2498	even if the object actually exists. May block.
		2499
		2500	=cut
		2501
		2502	sub deref {
		2503	my ($ref) = @_;
		2504
		2505	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2506	my ($uuid, $name) = ($1, $2);
		2507	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2508	or return;
		2509	$pl->ob->uuid eq $uuid
		2510	or return;
		2511
		2512	$pl->ob
		2513	} else {
		2514	warn "$ref: cannot resolve object reference\n";
		2515	undef
		2516	}
		2517	}
		2518
1699	package cf;	2519	package cf;
1700		2520
1701	=back	2521	=back
1702		2522
1703	=head3 cf::object::player	2523	=head3 cf::object::player
…		…
1709	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2529	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1710	can be C<undef>. Does the right thing when the player is currently in a	2530	can be C<undef>. Does the right thing when the player is currently in a
1711	dialogue with the given NPC character.	2531	dialogue with the given NPC character.
1712		2532
1713	=cut	2533	=cut
		2534
		2535	our $SAY_CHANNEL = {
		2536	id => "say",
		2537	title => "Map",
		2538	reply => "say ",
		2539	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2540	};
		2541
		2542	our $CHAT_CHANNEL = {
		2543	id => "chat",
		2544	title => "Chat",
		2545	reply => "chat ",
		2546	tooltip => "Player chat and shouts, global to the server.",
		2547	};
1714		2548
1715	# rough implementation of a future "reply" method that works	2549	# rough implementation of a future "reply" method that works
1716	# with dialog boxes.	2550	# with dialog boxes.
1717	#TODO: the first argument must go, split into a $npc->reply_to ( method	2551	#TODO: the first argument must go, split into a $npc->reply_to ( method
1718	sub cf::object::player::reply($$$;$) {	2552	sub cf::object::player::reply($$$;$) {
…		…
1720		2554
1721	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2555	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1722		2556
1723	if ($self->{record_replies}) {	2557	if ($self->{record_replies}) {
1724	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2558	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2559
1725	} else {	2560	} else {
		2561	my $pl = $self->contr;
		2562
		2563	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2564	my $dialog = $pl->{npc_dialog};
		2565	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2566
		2567	} else {
1726	$msg = $npc->name . " says: $msg" if $npc;	2568	$msg = $npc->name . " says: $msg" if $npc;
1727	$self->message ($msg, $flags);	2569	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2570	}
1728	}	2571	}
		2572	}
		2573
		2574	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2575
		2576	=cut
		2577
		2578	sub cf::object::send_msg {
		2579	my $pl = shift->contr
		2580	or return;
		2581	$pl->send_msg (@_);
1729	}	2582	}
1730		2583
1731	=item $player_object->may ("access")	2584	=item $player_object->may ("access")
1732		2585
1733	Returns wether the given player is authorized to access resource "access"	2586	Returns wether the given player is authorized to access resource "access"
…		…
1746		2599
1747	=item $player_object->enter_link	2600	=item $player_object->enter_link
1748		2601
1749	Freezes the player and moves him/her to a special map (C<{link}>).	2602	Freezes the player and moves him/her to a special map (C<{link}>).
1750		2603
1751	The player should be reasonably safe there for short amounts of time. You	2604	The player should be reasonably safe there for short amounts of time (e.g.
1752	I<MUST> call C<leave_link> as soon as possible, though.	2605	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2606	though, as the player cannot control the character while it is on the link
		2607	map.
1753		2608
1754	Will never block.	2609	Will never block.
1755		2610
1756	=item $player_object->leave_link ($map, $x, $y)	2611	=item $player_object->leave_link ($map, $x, $y)
1757		2612
…		…
1777	sub cf::object::player::enter_link {	2632	sub cf::object::player::enter_link {
1778	my ($self) = @_;	2633	my ($self) = @_;
1779		2634
1780	$self->deactivate_recursive;	2635	$self->deactivate_recursive;
1781		2636
		2637	++$self->{_link_recursion};
		2638
1782	return if UNIVERSAL::isa $self->map, "ext::map_link";	2639	return if UNIVERSAL::isa $self->map, "ext::map_link";
1783		2640
1784	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2641	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1785	if $self->map;	2642	if $self->map && $self->map->{path} ne "{link}";
1786		2643
1787	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2644	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1788	}	2645	}
1789		2646
1790	sub cf::object::player::leave_link {	2647	sub cf::object::player::leave_link {
1791	my ($self, $map, $x, $y) = @_;	2648	my ($self, $map, $x, $y) = @_;
		2649
		2650	return unless $self->contr->active;
1792		2651
1793	my $link_pos = delete $self->{_link_pos};	2652	my $link_pos = delete $self->{_link_pos};
1794		2653
1795	unless ($map) {	2654	unless ($map) {
1796	# restore original map position	2655	# restore original map position
…		…
1807	($x, $y) = (-1, -1)	2666	($x, $y) = (-1, -1)
1808	unless (defined $x) && (defined $y);	2667	unless (defined $x) && (defined $y);
1809		2668
1810	# use -1 or undef as default coordinates, not 0, 0	2669	# use -1 or undef as default coordinates, not 0, 0
1811	($x, $y) = ($map->enter_x, $map->enter_y)	2670	($x, $y) = ($map->enter_x, $map->enter_y)
1812	if $x <=0 && $y <= 0;	2671	if $x <= 0 && $y <= 0;
1813		2672
1814	$map->load;	2673	$map->load;
1815	$map->load_diag;	2674	$map->load_neighbours;
1816		2675
1817	return unless $self->contr->active;	2676	return unless $self->contr->active;
1818	$self->activate_recursive;
1819		2677
1820	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2678	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1821	$self->enter_map ($map, $x, $y);	2679	if ($self->enter_map ($map, $x, $y)) {
1822	}	2680	# entering was successful
1823		2681	delete $self->{_link_recursion};
1824	cf::player->attach (	2682	# only activate afterwards, to support waiting in hooks
1825	on_logout => sub {	2683	$self->activate_recursive;
1826	my ($pl) = @_;
1827
1828	# abort map switching before logout
1829	if ($pl->ob->{_link_pos}) {
1830	cf::sync_job {
1831	$pl->ob->leave_link
1832	};
1833	}
1834	},	2684	}
1835	on_login => sub {
1836	my ($pl) = @_;
1837		2685
1838	# try to abort aborted map switching on player login :)	2686	}
1839	# should happen only on crashes
1840	if ($pl->ob->{_link_pos}) {
1841	$pl->ob->enter_link;
1842	(async {
1843	$pl->ob->reply (undef,
1844	"There was an internal problem at your last logout, "
1845	. "the server will try to bring you to your intended destination in a second.",
1846	cf::NDI_RED);
1847	# we need this sleep as the login has a concurrent enter_exit running
1848	# and this sleep increases chances of the player not ending up in scorn
1849	Coro::Timer::sleep 1;
1850	$pl->ob->leave_link;
1851	})->prio (2);
1852	}
1853	},
1854	);
1855		2687
1856	=item $player_object->goto ($path, $x, $y)	2688	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1857		2689
		2690	Moves the player to the given map-path and coordinates by first freezing
		2691	her, loading and preparing them map, calling the provided $check callback
		2692	that has to return the map if sucecssful, and then unfreezes the player on
		2693	the new (success) or old (failed) map position. In either case, $done will
		2694	be called at the end of this process.
		2695
		2696	Note that $check will be called with a potentially non-loaded map, so if
		2697	it needs a loaded map it has to call C<< ->load >>.
		2698
1858	=cut	2699	=cut
		2700
		2701	our $GOTOGEN;
1859		2702
1860	sub cf::object::player::goto {	2703	sub cf::object::player::goto {
1861	my ($self, $path, $x, $y) = @_;	2704	my ($self, $path, $x, $y, $check, $done) = @_;
		2705
		2706	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2707	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2708	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2709	($path, $x, $y) = @$EMERGENCY_POSITION;
		2710	}
		2711
		2712	# do generation counting so two concurrent goto's will be executed in-order
		2713	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1862		2714
1863	$self->enter_link;	2715	$self->enter_link;
1864		2716
1865	(async {	2717	(async {
		2718	$Coro::current->{desc} = "player::goto $path $x $y";
		2719
		2720	# *tag paths override both path and x|y
		2721	if ($path =~ /^\*(.*)$/) {
		2722	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2723	my $ob = $obs[rand @obs];
		2724
		2725	# see if we actually can go there
		2726	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2727	$ob = $obs[rand @obs];
		2728	} else {
		2729	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2730	}
		2731	# else put us there anyways for now #d#
		2732
		2733	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2734	} else {
		2735	($path, $x, $y) = (undef, undef, undef);
		2736	}
		2737	}
		2738
1866	my $map = eval {	2739	my $map = eval {
1867	my $map = cf::map::find $path;	2740	my $map = defined $path ? cf::map::find $path : undef;
		2741
		2742	if ($map) {
1868	$map = $map->customise_for ($self) if $map;	2743	$map = $map->customise_for ($self);
		2744	$map = $check->($map, $x, $y, $self) if $check && $map;
		2745	} else {
		2746	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2747	}
		2748
1869	$map	2749	$map
		2750	};
		2751
		2752	if ($@) {
		2753	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2754	LOG llevError | logBacktrace, Carp::longmess $@;
1870	} or	2755	}
1871	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1872		2756
		2757	if ($gen == $self->{_goto_generation}) {
		2758	delete $self->{_goto_generation};
1873	$self->leave_link ($map, $x, $y);	2759	$self->leave_link ($map, $x, $y);
		2760	}
		2761
		2762	$done->($self) if $done;
1874	})->prio (1);	2763	})->prio (1);
1875	}	2764	}
1876		2765
1877	=item $player_object->enter_exit ($exit_object)	2766	=item $player_object->enter_exit ($exit_object)
1878		2767
…		…
1898	}	2787	}
1899		2788
1900	sub prepare_random_map {	2789	sub prepare_random_map {
1901	my ($exit) = @_;	2790	my ($exit) = @_;
1902		2791
1903	my $guard = cf::lock_acquire "exit_prepare:$exit";
1904
1905	# all this does is basically replace the /! path by	2792	# all this does is basically replace the /! path by
1906	# a new random map path (?random/...) with a seed	2793	# a new random map path (?random/...) with a seed
1907	# that depends on the exit object	2794	# that depends on the exit object
1908		2795
1909	my $rmp = parse_random_map_params $exit->msg;	2796	my $rmp = parse_random_map_params $exit->msg;
…		…
1911	if ($exit->map) {	2798	if ($exit->map) {
1912	$rmp->{region} = $exit->region->name;	2799	$rmp->{region} = $exit->region->name;
1913	$rmp->{origin_map} = $exit->map->path;	2800	$rmp->{origin_map} = $exit->map->path;
1914	$rmp->{origin_x} = $exit->x;	2801	$rmp->{origin_x} = $exit->x;
1915	$rmp->{origin_y} = $exit->y;	2802	$rmp->{origin_y} = $exit->y;
		2803
		2804	$exit->map->touch;
1916	}	2805	}
1917		2806
1918	$rmp->{random_seed} ||= $exit->random_seed;	2807	$rmp->{random_seed} ||= $exit->random_seed;
1919		2808
1920	my $data = cf::to_json $rmp;	2809	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1921	my $md5 = Digest::MD5::md5_hex $data;	2810	my $md5 = Digest::MD5::md5_hex $data;
1922	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2811	my $meta = "$RANDOMDIR/$md5.meta";
1923		2812
1924	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2813	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1925	aio_write $fh, 0, (length $data), $data, 0;	2814	aio_write $fh, 0, (length $data), $data, 0;
1926	undef $fh;	2815	undef $fh;
1927	aio_rename "$meta~", $meta;	2816	aio_rename "$meta~", $meta;
1928		2817
		2818	my $slaying = "?random/$md5";
		2819
		2820	if ($exit->valid) {
1929	$exit->slaying ("?random/$md5");	2821	$exit->slaying ("?random/$md5");
1930	$exit->msg (undef);	2822	$exit->msg (undef);
		2823	}
1931	}	2824	}
1932	}	2825	}
1933		2826
1934	sub cf::object::player::enter_exit {	2827	sub cf::object::player::enter_exit {
1935	my ($self, $exit) = @_;	2828	my ($self, $exit) = @_;
1936		2829
1937	return unless $self->type == cf::PLAYER;	2830	return unless $self->type == cf::PLAYER;
1938		2831
1939	if ($exit->slaying eq "/!") {
1940	#TODO: this should de-fi-ni-te-ly not be a sync-job
1941	cf::sync_job { prepare_random_map $exit };
1942	}
1943
1944	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1945	my $hp = $exit->stats->hp;
1946	my $sp = $exit->stats->sp;
1947
1948	$self->enter_link;	2832	$self->enter_link;
1949		2833
1950	(async {	2834	(async {
1951	$self->deactivate_recursive; # just to be sure	2835	$Coro::current->{desc} = "enter_exit";
		2836
1952	unless (eval {	2837	unless (eval {
		2838	$self->deactivate_recursive; # just to be sure
		2839
		2840	# random map handling
		2841	{
		2842	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2843
		2844	prepare_random_map $exit
		2845	if $exit->slaying eq "/!";
		2846	}
		2847
		2848	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2849	my $x = $exit->stats->hp;
		2850	my $y = $exit->stats->sp;
		2851
1953	$self->goto ($slaying, $hp, $sp);	2852	$self->goto ($map, $x, $y);
1954		2853
		2854	# if exit is damned, update players death & WoR home-position
		2855	$self->contr->savebed ($map, $x, $y)
		2856	if $exit->flag (cf::FLAG_DAMNED);
		2857
1955	1;	2858	1
1956	}) {	2859	}) {
1957	$self->message ("Something went wrong deep within the crossfire server. "	2860	$self->message ("Something went wrong deep within the deliantra server. "
1958	. "I'll try to bring you back to the map you were before. "	2861	. "I'll try to bring you back to the map you were before. "
1959	. "Please report this to the dungeon master!",	2862	. "Please report this to the dungeon master!",
1960	cf::NDI_UNIQUE | cf::NDI_RED);	2863	cf::NDI_UNIQUE | cf::NDI_RED);
1961		2864
1962	warn "ERROR in enter_exit: $@";	2865	error "ERROR in enter_exit: $@";
1963	$self->leave_link;	2866	$self->leave_link;
1964	}	2867	}
1965	})->prio (1);	2868	})->prio (1);
1966	}	2869	}
1967		2870
…		…
1978		2881
1979	sub cf::client::send_drawinfo {	2882	sub cf::client::send_drawinfo {
1980	my ($self, $text, $flags) = @_;	2883	my ($self, $text, $flags) = @_;
1981		2884
1982	utf8::encode $text;	2885	utf8::encode $text;
1983	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2886	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1984	}	2887	}
1985		2888
		2889	=item $client->send_big_packet ($pkt)
		2890
		2891	Like C<send_packet>, but tries to compress large packets, and fragments
		2892	them as required.
		2893
		2894	=cut
		2895
		2896	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2897
		2898	sub cf::client::send_big_packet {
		2899	my ($self, $pkt) = @_;
		2900
		2901	# try lzf for large packets
		2902	$pkt = "lzf " . Compress::LZF::compress $pkt
		2903	if 1024 <= length $pkt and $self->{can_lzf};
		2904
		2905	# split very large packets
		2906	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2907	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2908	$pkt = "frag";
		2909	}
		2910
		2911	$self->send_packet ($pkt);
		2912	}
		2913
		2914	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2915
		2916	Send a drawinfo or msg packet to the client, formatting the msg for the
		2917	client if neccessary. C<$type> should be a string identifying the type of
		2918	the message, with C<log> being the default. If C<$color> is negative, suppress
		2919	the message unless the client supports the msg packet.
		2920
		2921	=cut
		2922
		2923	# non-persistent channels (usually the info channel)
		2924	our %CHANNEL = (
		2925	"c/motd" => {
		2926	id => "infobox",
		2927	title => "MOTD",
		2928	reply => undef,
		2929	tooltip => "The message of the day",
		2930	},
		2931	"c/identify" => {
		2932	id => "infobox",
		2933	title => "Identify",
		2934	reply => undef,
		2935	tooltip => "Items recently identified",
		2936	},
		2937	"c/examine" => {
		2938	id => "infobox",
		2939	title => "Examine",
		2940	reply => undef,
		2941	tooltip => "Signs and other items you examined",
		2942	},
		2943	"c/shopinfo" => {
		2944	id => "infobox",
		2945	title => "Shop Info",
		2946	reply => undef,
		2947	tooltip => "What your bargaining skill tells you about the shop",
		2948	},
		2949	"c/book" => {
		2950	id => "infobox",
		2951	title => "Book",
		2952	reply => undef,
		2953	tooltip => "The contents of a note or book",
		2954	},
		2955	"c/lookat" => {
		2956	id => "infobox",
		2957	title => "Look",
		2958	reply => undef,
		2959	tooltip => "What you saw there",
		2960	},
		2961	"c/who" => {
		2962	id => "infobox",
		2963	title => "Players",
		2964	reply => undef,
		2965	tooltip => "Shows players who are currently online",
		2966	},
		2967	"c/body" => {
		2968	id => "infobox",
		2969	title => "Body Parts",
		2970	reply => undef,
		2971	tooltip => "Shows which body parts you posess and are available",
		2972	},
		2973	"c/statistics" => {
		2974	id => "infobox",
		2975	title => "Statistics",
		2976	reply => undef,
		2977	tooltip => "Shows your primary statistics",
		2978	},
		2979	"c/skills" => {
		2980	id => "infobox",
		2981	title => "Skills",
		2982	reply => undef,
		2983	tooltip => "Shows your experience per skill and item power",
		2984	},
		2985	"c/shopitems" => {
		2986	id => "infobox",
		2987	title => "Shop Items",
		2988	reply => undef,
		2989	tooltip => "Shows the items currently for sale in this shop",
		2990	},
		2991	"c/resistances" => {
		2992	id => "infobox",
		2993	title => "Resistances",
		2994	reply => undef,
		2995	tooltip => "Shows your resistances",
		2996	},
		2997	"c/pets" => {
		2998	id => "infobox",
		2999	title => "Pets",
		3000	reply => undef,
		3001	tooltip => "Shows information abotu your pets/a specific pet",
		3002	},
		3003	"c/perceiveself" => {
		3004	id => "infobox",
		3005	title => "Perceive Self",
		3006	reply => undef,
		3007	tooltip => "You gained detailed knowledge about yourself",
		3008	},
		3009	"c/uptime" => {
		3010	id => "infobox",
		3011	title => "Uptime",
		3012	reply => undef,
		3013	tooltip => "How long the server has been running since last restart",
		3014	},
		3015	"c/mapinfo" => {
		3016	id => "infobox",
		3017	title => "Map Info",
		3018	reply => undef,
		3019	tooltip => "Information related to the maps",
		3020	},
		3021	"c/party" => {
		3022	id => "party",
		3023	title => "Party",
		3024	reply => "gsay ",
		3025	tooltip => "Messages and chat related to your party",
		3026	},
		3027	"c/death" => {
		3028	id => "death",
		3029	title => "Death",
		3030	reply => undef,
		3031	tooltip => "Reason for and more info about your most recent death",
		3032	},
		3033	"c/say" => $SAY_CHANNEL,
		3034	"c/chat" => $CHAT_CHANNEL,
		3035	);
		3036
		3037	sub cf::client::send_msg {
		3038	my ($self, $channel, $msg, $color, @extra) = @_;
		3039
		3040	$msg = $self->pl->expand_cfpod ($msg)
		3041	unless $color & cf::NDI_VERBATIM;
		3042
		3043	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3044
		3045	# check predefined channels, for the benefit of C
		3046	if ($CHANNEL{$channel}) {
		3047	$channel = $CHANNEL{$channel};
		3048
		3049	$self->ext_msg (channel_info => $channel);
		3050	$channel = $channel->{id};
		3051
		3052	} elsif (ref $channel) {
		3053	# send meta info to client, if not yet sent
		3054	unless (exists $self->{channel}{$channel->{id}}) {
		3055	$self->{channel}{$channel->{id}} = $channel;
		3056	$self->ext_msg (channel_info => $channel);
		3057	}
		3058
		3059	$channel = $channel->{id};
		3060	}
		3061
		3062	return unless @extra || length $msg;
		3063
		3064	# default colour, mask it out
		3065	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3066	if $color & cf::NDI_DEF;
		3067
		3068	my $pkt = "msg "
		3069	. $self->{json_coder}->encode (
		3070	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3071	);
		3072
		3073	$self->send_big_packet ($pkt);
		3074	}
		3075
		3076	=item $client->ext_msg ($type, @msg)
		3077
		3078	Sends an ext event to the client.
		3079
		3080	=cut
		3081
		3082	sub cf::client::ext_msg($$@) {
		3083	my ($self, $type, @msg) = @_;
		3084
		3085	if ($self->extcmd == 2) {
		3086	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3087	} elsif ($self->extcmd == 1) { # TODO: remove
		3088	push @msg, msgtype => "event_$type";
		3089	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3090	}
		3091	}
		3092
		3093	=item $client->ext_reply ($msgid, @msg)
		3094
		3095	Sends an ext reply to the client.
		3096
		3097	=cut
		3098
		3099	sub cf::client::ext_reply($$@) {
		3100	my ($self, $id, @msg) = @_;
		3101
		3102	if ($self->extcmd == 2) {
		3103	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3104	} elsif ($self->extcmd == 1) {
		3105	#TODO: version 1, remove
		3106	unshift @msg, msgtype => "reply", msgid => $id;
		3107	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3108	}
		3109	}
1986		3110
1987	=item $success = $client->query ($flags, "text", \&cb)	3111	=item $success = $client->query ($flags, "text", \&cb)
1988		3112
1989	Queues a query to the client, calling the given callback with	3113	Queues a query to the client, calling the given callback with
1990	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3114	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1991	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3115	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1992		3116
1993	Queries can fail, so check the return code. Or don't, as queries will become	3117	Queries can fail, so check the return code. Or don't, as queries will
1994	reliable at some point in the future.	3118	become reliable at some point in the future.
1995		3119
1996	=cut	3120	=cut
1997		3121
1998	sub cf::client::query {	3122	sub cf::client::query {
1999	my ($self, $flags, $text, $cb) = @_;	3123	my ($self, $flags, $text, $cb) = @_;
…		…
2007	utf8::encode $text;	3131	utf8::encode $text;
2008	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3132	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2009		3133
2010	$self->send_packet ($self->{query_queue}[0][0])	3134	$self->send_packet ($self->{query_queue}[0][0])
2011	if @{ $self->{query_queue} } == 1;	3135	if @{ $self->{query_queue} } == 1;
		3136
		3137	1
2012	}	3138	}
2013		3139
2014	cf::client->attach (	3140	cf::client->attach (
		3141	on_connect => sub {
		3142	my ($ns) = @_;
		3143
		3144	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3145	},
2015	on_reply => sub {	3146	on_reply => sub {
2016	my ($ns, $msg) = @_;	3147	my ($ns, $msg) = @_;
2017		3148
2018	# this weird shuffling is so that direct followup queries	3149	# this weird shuffling is so that direct followup queries
2019	# get handled first	3150	# get handled first
…		…
2031	} else {	3162	} else {
2032	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2033	}	3164	}
2034	}	3165	}
2035	},	3166	},
		3167	on_exticmd => sub {
		3168	my ($ns, $buf) = @_;
		3169
		3170	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3171
		3172	if (ref $msg) {
		3173	my ($type, $reply, @payload) =
		3174	"ARRAY" eq ref $msg
		3175	? @$msg
		3176	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3177
		3178	my @reply;
		3179
		3180	if (my $cb = $EXTICMD{$type}) {
		3181	@reply = $cb->($ns, @payload);
		3182	}
		3183
		3184	$ns->ext_reply ($reply, @reply)
		3185	if $reply;
		3186
		3187	} else {
		3188	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3189	}
		3190
		3191	cf::override;
		3192	},
2036	);	3193	);
2037		3194
2038	=item $client->async (\&cb)	3195	=item $client->async (\&cb)
2039		3196
2040	Create a new coroutine, running the specified callback. The coroutine will	3197	Create a new coroutine, running the specified callback. The coroutine will
…		…
2056		3213
2057	$coro	3214	$coro
2058	}	3215	}
2059		3216
2060	cf::client->attach (	3217	cf::client->attach (
2061	on_destroy => sub {	3218	on_client_destroy => sub {
2062	my ($ns) = @_;	3219	my ($ns) = @_;
2063		3220
2064	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3221	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2065	},	3222	},
2066	);	3223	);
…		…
2081	our $safe = new Safe "safe";	3238	our $safe = new Safe "safe";
2082	our $safe_hole = new Safe::Hole;	3239	our $safe_hole = new Safe::Hole;
2083		3240
2084	$SIG{FPE} = 'IGNORE';	3241	$SIG{FPE} = 'IGNORE';
2085		3242
2086	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3243	$safe->permit_only (Opcode::opset qw(
		3244	:base_core :base_mem :base_orig :base_math :base_loop
		3245	grepstart grepwhile mapstart mapwhile
		3246	sort time
		3247	));
2087		3248
2088	# here we export the classes and methods available to script code	3249	# here we export the classes and methods available to script code
2089		3250
2090	=pod	3251	=pod
2091		3252
2092	The following fucntions and emthods are available within a safe environment:	3253	The following functions and methods are available within a safe environment:
2093		3254
2094	cf::object contr pay_amount pay_player map	3255	cf::object
		3256	contr pay_amount pay_player map x y force_find force_add destroy
		3257	insert remove name archname title slaying race decrease split
		3258	value
		3259
2095	cf::object::player player	3260	cf::object::player
2096	cf::player peaceful	3261	player
2097	cf::map trigger	3262
		3263	cf::player
		3264	peaceful
		3265
		3266	cf::map
		3267	trigger
2098		3268
2099	=cut	3269	=cut
2100		3270
2101	for (	3271	for (
2102	["cf::object" => qw(contr pay_amount pay_player map)],	3272	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3273	insert remove inv nrof name archname title slaying race
		3274	decrease split destroy change_exp value msg lore send_msg)],
2103	["cf::object::player" => qw(player)],	3275	["cf::object::player" => qw(player)],
2104	["cf::player" => qw(peaceful)],	3276	["cf::player" => qw(peaceful send_msg)],
2105	["cf::map" => qw(trigger)],	3277	["cf::map" => qw(trigger)],
2106	) {	3278	) {
2107	no strict 'refs';	3279	no strict 'refs';
2108	my ($pkg, @funs) = @$_;	3280	my ($pkg, @funs) = @$_;
2109	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3281	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2127		3299
2128	my $qcode = $code;	3300	my $qcode = $code;
2129	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3301	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2130	$qcode =~ s/\n/\\n/g;	3302	$qcode =~ s/\n/\\n/g;
2131		3303
		3304	%vars = (_dummy => 0) unless %vars;
		3305
		3306	my @res;
2132	local $_;	3307	local $_;
2133	local @safe::cf::_safe_eval_args = values %vars;
2134		3308
2135	my $eval =	3309	my $eval =
2136	"do {\n"	3310	"do {\n"
2137	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3311	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2138	. "#line 0 \"{$qcode}\"\n"	3312	. "#line 0 \"{$qcode}\"\n"
2139	. $code	3313	. $code
2140	. "\n}"	3314	. "\n}"
2141	;	3315	;
2142		3316
		3317	if ($CFG{safe_eval}) {
2143	sub_generation_inc;	3318	sub_generation_inc;
		3319	local @safe::cf::_safe_eval_args = values %vars;
2144	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3320	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2145	sub_generation_inc;	3321	sub_generation_inc;
		3322	} else {
		3323	local @cf::_safe_eval_args = values %vars;
		3324	@res = wantarray ? eval eval : scalar eval $eval;
		3325	}
2146		3326
2147	if ($@) {	3327	if ($@) {
2148	warn "$@";	3328	warn "$@",
2149	warn "while executing safe code '$code'\n";	3329	"while executing safe code '$code'\n",
2150	warn "with arguments " . (join " ", %vars) . "\n";	3330	"with arguments " . (join " ", %vars) . "\n";
2151	}	3331	}
2152		3332
2153	wantarray ? @res : $res[0]	3333	wantarray ? @res : $res[0]
2154	}	3334	}
2155		3335
…		…
2169	=cut	3349	=cut
2170		3350
2171	sub register_script_function {	3351	sub register_script_function {
2172	my ($fun, $cb) = @_;	3352	my ($fun, $cb) = @_;
2173		3353
2174	no strict 'refs';	3354	$fun = "safe::$fun" if $CFG{safe_eval};
2175	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3355	*$fun = $safe_hole->wrap ($cb);
2176	}	3356	}
2177		3357
2178	=back	3358	=back
2179		3359
2180	=cut	3360	=cut
2181
2182	#############################################################################
2183
2184	=head2 EXTENSION DATABASE SUPPORT
2185
2186	Crossfire maintains a very simple database for extension use. It can
2187	currently store anything that can be serialised using Storable, which
2188	excludes objects.
2189
2190	The parameter C<$family> should best start with the name of the extension
2191	using it, it should be unique.
2192
2193	=over 4
2194
2195	=item $value = cf::db_get $family => $key
2196
2197	Returns a single value from the database.
2198
2199	=item cf::db_put $family => $key => $value
2200
2201	Stores the given C<$value> in the family.
2202
2203	=cut
2204
2205	our $DB;
2206
2207	sub db_init {
2208	unless ($DB) {
2209	$DB = BDB::db_create $DB_ENV;
2210
2211	cf::sync_job {
2212	eval {
2213	$DB->set_flags (BDB::CHKSUM);
2214
2215	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2216	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2217	cf::cleanup "db_open(db): $!" if $!;
2218	};
2219	cf::cleanup "db_open(db): $@" if $@;
2220	};
2221
2222	my $path = cf::localdir . "/database.pst";
2223	if (stat $path) {
2224	cf::sync_job {
2225	my $pst = Storable::retrieve $path;
2226
2227	cf::db_put (board => data => $pst->{board});
2228	cf::db_put (guildrules => data => $pst->{guildrules});
2229	cf::db_put (rent => balance => $pst->{rent}{balance});
2230	BDB::db_env_txn_checkpoint $DB_ENV;
2231
2232	unlink $path;
2233	};
2234	}
2235	}
2236	}
2237
2238	sub db_get($$) {
2239	my $key = "$_[0]/$_[1]";
2240
2241	cf::sync_job {
2242	BDB::db_get $DB, undef, $key, my $data;
2243
2244	$! ? ()
2245	: Compress::LZF::sthaw $data
2246	}
2247	}
2248
2249	sub db_put($$$) {
2250	BDB::dbreq_pri 4;
2251	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2252	}
2253		3361
2254	#############################################################################	3362	#############################################################################
2255	# the server's init and main functions	3363	# the server's init and main functions
2256		3364
2257	sub init_resources {	3365	sub load_facedata($) {
2258	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3366	my ($path) = @_;
		3367
		3368	# HACK to clear player env face cache, we need some signal framework
		3369	# for this (global event?)
		3370	%ext::player_env::MUSIC_FACE_CACHE = ();
		3371
		3372	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3373
		3374	trace "loading facedata from $path\n";
		3375
		3376	my $facedata;
		3377	0 < aio_load $path, $facedata
		3378	or die "$path: $!";
		3379
		3380	$facedata = Coro::Storable::thaw $facedata;
		3381
		3382	$facedata->{version} == 2
		3383	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3384
		3385	# patch in the exptable
		3386	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3387	$facedata->{resource}{"res/exp_table"} = {
		3388	type => FT_RSRC,
		3389	data => $exp_table,
		3390	hash => (Digest::MD5::md5 $exp_table),
		3391	};
		3392	cf::cede_to_tick;
		3393
		3394	{
		3395	my $faces = $facedata->{faceinfo};
		3396
		3397	while (my ($face, $info) = each %$faces) {
		3398	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3399
		3400	cf::face::set_visibility $idx, $info->{visibility};
		3401	cf::face::set_magicmap $idx, $info->{magicmap};
		3402	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3403	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3404
		3405	cf::cede_to_tick;
		3406	}
		3407
		3408	while (my ($face, $info) = each %$faces) {
		3409	next unless $info->{smooth};
		3410
		3411	my $idx = cf::face::find $face
		3412	or next;
		3413
		3414	if (my $smooth = cf::face::find $info->{smooth}) {
		3415	cf::face::set_smooth $idx, $smooth;
		3416	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3417	} else {
		3418	error "smooth face '$info->{smooth}' not found for face '$face'";
		3419	}
		3420
		3421	cf::cede_to_tick;
		3422	}
		3423	}
		3424
		3425	{
		3426	my $anims = $facedata->{animinfo};
		3427
		3428	while (my ($anim, $info) = each %$anims) {
		3429	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3430	cf::cede_to_tick;
		3431	}
		3432
		3433	cf::anim::invalidate_all; # d'oh
		3434	}
		3435
		3436	{
		3437	my $res = $facedata->{resource};
		3438
		3439	while (my ($name, $info) = each %$res) {
		3440	if (defined $info->{type}) {
		3441	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3442
		3443	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3444	cf::face::set_type $idx, $info->{type};
		3445	} else {
		3446	$RESOURCE{$name} = $info; # unused
		3447	}
		3448
		3449	cf::cede_to_tick;
		3450	}
		3451	}
		3452
		3453	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3454
		3455	1
		3456	}
		3457
		3458	register_exticmd fx_want => sub {
		3459	my ($ns, $want) = @_;
		3460
		3461	while (my ($k, $v) = each %$want) {
		3462	$ns->fx_want ($k, $v);
		3463	}
		3464	};
		3465
		3466	sub load_resource_file($) {
		3467	my $guard = lock_acquire "load_resource_file";
		3468
		3469	my $status = load_resource_file_ $_[0];
		3470	get_slot 0.1, 100;
		3471	cf::arch::commit_load;
		3472
		3473	$status
		3474	}
		3475
		3476	sub reload_regions {
		3477	# HACK to clear player env face cache, we need some signal framework
		3478	# for this (global event?)
		3479	%ext::player_env::MUSIC_FACE_CACHE = ();
		3480
		3481	load_resource_file "$MAPDIR/regions"
2259	or die "unable to load regions file\n";#d#	3482	or die "unable to load regions file\n";
2260	}
2261		3483
2262	sub cfg_load {	3484	for (cf::region::list) {
		3485	$_->{match} = qr/$_->{match}/
		3486	if exists $_->{match};
		3487	}
		3488	}
		3489
		3490	sub reload_facedata {
		3491	load_facedata "$DATADIR/facedata"
		3492	or die "unable to load facedata\n";
		3493	}
		3494
		3495	sub reload_archetypes {
		3496	load_resource_file "$DATADIR/archetypes"
		3497	or die "unable to load archetypes\n";
		3498	}
		3499
		3500	sub reload_treasures {
		3501	load_resource_file "$DATADIR/treasures"
		3502	or die "unable to load treasurelists\n";
		3503	}
		3504
		3505	sub reload_sound {
		3506	trace "loading sound config from $DATADIR/sound\n";
		3507
		3508	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3509	or die "$DATADIR/sound $!";
		3510
		3511	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3512
		3513	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3514	my $sound = $soundconf->{compat}[$_]
		3515	or next;
		3516
		3517	my $face = cf::face::find "sound/$sound->[1]";
		3518	cf::sound::set $sound->[0] => $face;
		3519	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3520	}
		3521
		3522	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3523	my $face = cf::face::find "sound/$v";
		3524	cf::sound::set $k => $face;
		3525	}
		3526	}
		3527
		3528	sub reload_resources {
		3529	trace "reloading resource files...\n";
		3530
		3531	reload_facedata;
		3532	reload_sound;
		3533	reload_archetypes;
		3534	reload_regions;
		3535	reload_treasures;
		3536
		3537	trace "finished reloading resource files\n";
		3538	}
		3539
		3540	sub reload_config {
		3541	trace "reloading config file...\n";
		3542
2263	open my $fh, "<:utf8", cf::confdir . "/config"	3543	open my $fh, "<:utf8", "$CONFDIR/config"
2264	or return;	3544	or return;
2265		3545
2266	local $/;	3546	local $/;
2267	*CFG = YAML::Syck::Load <$fh>;	3547	*CFG = YAML::XS::Load scalar <$fh>;
2268		3548
2269	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3549	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2270		3550
2271	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3551	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2272	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3552	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2273		3553
2274	if (exists $CFG{mlockall}) {	3554	if (exists $CFG{mlockall}) {
…		…
2276	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3556	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2277	and die "WARNING: m(un)lockall failed: $!\n";	3557	and die "WARNING: m(un)lockall failed: $!\n";
2278	};	3558	};
2279	warn $@ if $@;	3559	warn $@ if $@;
2280	}	3560	}
2281	}
2282		3561
2283	sub init {	3562	trace "finished reloading resource files\n";
2284	init_resources;	3563	}
		3564
		3565	sub pidfile() {
		3566	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3567	or die "$PIDFILE: $!";
		3568	flock $fh, &Fcntl::LOCK_EX
		3569	or die "$PIDFILE: flock: $!";
		3570	$fh
		3571	}
		3572
		3573	# make sure only one server instance is running at any one time
		3574	sub atomic {
		3575	my $fh = pidfile;
		3576
		3577	my $pid = <$fh>;
		3578	kill 9, $pid if $pid > 0;
		3579
		3580	seek $fh, 0, 0;
		3581	print $fh $$;
		3582	}
		3583
		3584	sub main_loop {
		3585	trace "EV::loop starting\n";
		3586	if (1) {
		3587	EV::loop;
		3588	}
		3589	trace "EV::loop returned\n";
		3590	goto &main_loop unless $REALLY_UNLOOP;
2285	}	3591	}
2286		3592
2287	sub main {	3593	sub main {
		3594	cf::init_globals; # initialise logging
		3595
		3596	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3597	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3598	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3599	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3600
		3601	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3602
2288	# we must not ever block the main coroutine	3603	# we must not ever block the main coroutine
2289	local $Coro::idle = sub {	3604	local $Coro::idle = sub {
2290	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3605	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2291	(async {	3606	(async {
2292	Event::one_event;	3607	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3608	EV::loop EV::LOOP_ONESHOT;
2293	})->prio (Coro::PRIO_MAX);	3609	})->prio (Coro::PRIO_MAX);
2294	};	3610	};
2295		3611
2296	cfg_load;	3612	evthread_start IO::AIO::poll_fileno;
		3613
		3614	cf::sync_job {
		3615	cf::init_experience;
		3616	cf::init_anim;
		3617	cf::init_attackmess;
		3618	cf::init_dynamic;
		3619
		3620	cf::load_settings;
		3621	cf::load_materials;
		3622
		3623	reload_resources;
		3624	reload_config;
2297	db_init;	3625	db_init;
		3626
		3627	cf::init_uuid;
		3628	cf::init_signals;
		3629	cf::init_skills;
		3630
		3631	cf::init_beforeplay;
		3632
		3633	atomic;
		3634
2298	load_extensions;	3635	load_extensions;
2299		3636
2300	$TICK_WATCHER->start;	3637	utime time, time, $RUNTIMEFILE;
2301	Event::loop;	3638
		3639	# no (long-running) fork's whatsoever before this point(!)
		3640	use POSIX ();
		3641	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3642
		3643	(pop @POST_INIT)->(0) while @POST_INIT;
		3644	};
		3645
		3646	cf::object::thawer::errors_are_fatal 0;
		3647	info "parse errors in files are no longer fatal from this point on.\n";
		3648
		3649	main_loop;
2302	}	3650	}
2303		3651
2304	#############################################################################	3652	#############################################################################
2305	# initialisation and cleanup	3653	# initialisation and cleanup
2306		3654
2307	# install some emergency cleanup handlers	3655	# install some emergency cleanup handlers
2308	BEGIN {	3656	BEGIN {
		3657	our %SIGWATCHER = ();
2309	for my $signal (qw(INT HUP TERM)) {	3658	for my $signal (qw(INT HUP TERM)) {
2310	Event->signal (	3659	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2311	reentrant => 0,
2312	data => WF_AUTOCANCEL,
2313	signal => $signal,
2314	prio => 0,
2315	cb => sub {
2316	cf::cleanup "SIG$signal";	3660	cf::cleanup "SIG$signal";
2317	},
2318	);	3661	};
		3662	}
		3663	}
		3664
		3665	sub write_runtime_sync {
		3666	my $t0 = AE::time;
		3667
		3668	# first touch the runtime file to show we are still running:
		3669	# the fsync below can take a very very long time.
		3670
		3671	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3672
		3673	my $guard = cf::lock_acquire "write_runtime";
		3674
		3675	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3676	or return;
		3677
		3678	my $value = $cf::RUNTIME + 90 + 10;
		3679	# 10 is the runtime save interval, for a monotonic clock
		3680	# 60 allows for the watchdog to kill the server.
		3681
		3682	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3683	and return;
		3684
		3685	# always fsync - this file is important
		3686	aio_fsync $fh
		3687	and return;
		3688
		3689	# touch it again to show we are up-to-date
		3690	aio_utime $fh, undef, undef;
		3691
		3692	close $fh
		3693	or return;
		3694
		3695	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3696	and return;
		3697
		3698	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3699
2319	}	3700	1
		3701	}
		3702
		3703	our $uuid_lock;
		3704	our $uuid_skip;
		3705
		3706	sub write_uuid_sync($) {
		3707	$uuid_skip ||= $_[0];
		3708
		3709	return if $uuid_lock;
		3710	local $uuid_lock = 1;
		3711
		3712	my $uuid = "$LOCALDIR/uuid";
		3713
		3714	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3715	or return;
		3716
		3717	my $value = uuid_seq uuid_cur;
		3718
		3719	unless ($value) {
		3720	info "cowardly refusing to write zero uuid value!\n";
		3721	return;
		3722	}
		3723
		3724	my $value = uuid_str $value + $uuid_skip;
		3725	$uuid_skip = 0;
		3726
		3727	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3728	and return;
		3729
		3730	# always fsync - this file is important
		3731	aio_fsync $fh
		3732	and return;
		3733
		3734	close $fh
		3735	or return;
		3736
		3737	aio_rename "$uuid~", $uuid
		3738	and return;
		3739
		3740	trace "uuid file written ($value).\n";
		3741
		3742	1
		3743
		3744	}
		3745
		3746	sub write_uuid($$) {
		3747	my ($skip, $sync) = @_;
		3748
		3749	$sync ? write_uuid_sync $skip
		3750	: async { write_uuid_sync $skip };
2320	}	3751	}
2321		3752
2322	sub emergency_save() {	3753	sub emergency_save() {
2323	my $freeze_guard = cf::freeze_mainloop;	3754	my $freeze_guard = cf::freeze_mainloop;
2324		3755
2325	warn "enter emergency perl save\n";	3756	info "emergency_perl_save: enter\n";
		3757
		3758	# this is a trade-off: we want to be very quick here, so
		3759	# save all maps without fsync, and later call a global sync
		3760	# (which in turn might be very very slow)
		3761	local $USE_FSYNC = 0;
2326		3762
2327	cf::sync_job {	3763	cf::sync_job {
		3764	cf::write_runtime_sync; # external watchdog should not bark
		3765
2328	# use a peculiar iteration method to avoid tripping on perl	3766	# use a peculiar iteration method to avoid tripping on perl
2329	# refcount bugs in for. also avoids problems with players	3767	# refcount bugs in for. also avoids problems with players
2330	# and maps saved/destroyed asynchronously.	3768	# and maps saved/destroyed asynchronously.
2331	warn "begin emergency player save\n";	3769	info "emergency_perl_save: begin player save\n";
2332	for my $login (keys %cf::PLAYER) {	3770	for my $login (keys %cf::PLAYER) {
2333	my $pl = $cf::PLAYER{$login} or next;	3771	my $pl = $cf::PLAYER{$login} or next;
2334	$pl->valid or next;	3772	$pl->valid or next;
		3773	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2335	$pl->save;	3774	$pl->save;
2336	}	3775	}
2337	warn "end emergency player save\n";	3776	info "emergency_perl_save: end player save\n";
2338		3777
2339	warn "begin emergency map save\n";	3778	cf::write_runtime_sync; # external watchdog should not bark
		3779
		3780	info "emergency_perl_save: begin map save\n";
2340	for my $path (keys %cf::MAP) {	3781	for my $path (keys %cf::MAP) {
2341	my $map = $cf::MAP{$path} or next;	3782	my $map = $cf::MAP{$path} or next;
2342	$map->valid or next;	3783	$map->valid or next;
2343	$map->save;	3784	$map->save;
2344	}	3785	}
2345	warn "end emergency map save\n";	3786	info "emergency_perl_save: end map save\n";
2346		3787
2347	warn "begin emergency database checkpoint\n";	3788	cf::write_runtime_sync; # external watchdog should not bark
		3789
		3790	info "emergency_perl_save: begin database checkpoint\n";
2348	BDB::db_env_txn_checkpoint $DB_ENV;	3791	BDB::db_env_txn_checkpoint $DB_ENV;
2349	warn "end emergency database checkpoint\n";	3792	info "emergency_perl_save: end database checkpoint\n";
		3793
		3794	info "emergency_perl_save: begin write uuid\n";
		3795	write_uuid_sync 1;
		3796	info "emergency_perl_save: end write uuid\n";
		3797
		3798	cf::write_runtime_sync; # external watchdog should not bark
		3799
		3800	trace "emergency_perl_save: syncing database to disk";
		3801	BDB::db_env_txn_checkpoint $DB_ENV;
		3802
		3803	info "emergency_perl_save: starting sync\n";
		3804	IO::AIO::aio_sync sub {
		3805	info "emergency_perl_save: finished sync\n";
		3806	};
		3807
		3808	cf::write_runtime_sync; # external watchdog should not bark
		3809
		3810	trace "emergency_perl_save: flushing outstanding aio requests";
		3811	while (IO::AIO::nreqs || BDB::nreqs) {
		3812	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3813	}
		3814
		3815	cf::write_runtime_sync; # external watchdog should not bark
2350	};	3816	};
2351		3817
2352	warn "leave emergency perl save\n";	3818	info "emergency_perl_save: leave\n";
2353	}	3819	}
2354		3820
2355	sub post_cleanup {	3821	sub post_cleanup {
2356	my ($make_core) = @_;	3822	my ($make_core) = @_;
2357		3823
		3824	IO::AIO::flush;
		3825
2358	warn Carp::longmess "post_cleanup backtrace"	3826	error Carp::longmess "post_cleanup backtrace"
2359	if $make_core;	3827	if $make_core;
2360	}
2361		3828
		3829	my $fh = pidfile;
		3830	unlink $PIDFILE if <$fh> == $$;
		3831	}
		3832
		3833	# a safer delete_package, copied from Symbol
		3834	sub clear_package($) {
		3835	my $pkg = shift;
		3836
		3837	# expand to full symbol table name if needed
		3838	unless ($pkg =~ /^main::.*::$/) {
		3839	$pkg = "main$pkg" if $pkg =~ /^::/;
		3840	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3841	$pkg .= '::' unless $pkg =~ /::$/;
		3842	}
		3843
		3844	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3845	my $stem_symtab = *{$stem}{HASH};
		3846
		3847	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3848	or return;
		3849
		3850	# clear all symbols
		3851	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3852	for my $name (keys %$leaf_symtab) {
		3853	_gv_clear *{"$pkg$name"};
		3854	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3855	}
		3856	}
		3857
2362	sub reload() {	3858	sub do_reload_perl() {
2363	# can/must only be called in main	3859	# can/must only be called in main
2364	if ($Coro::current != $Coro::main) {	3860	if (in_main) {
2365	warn "can only reload from main coroutine";	3861	error "can only reload from main coroutine";
2366	return;	3862	return;
2367	}	3863	}
2368		3864
		3865	return if $RELOAD++;
		3866
		3867	my $t1 = AE::time;
		3868
		3869	while ($RELOAD) {
2369	warn "reloading...";	3870	info "reloading...";
2370		3871
2371	warn "entering sync_job";	3872	trace "entering sync_job";
2372		3873
2373	cf::sync_job {	3874	cf::sync_job {
2374	cf::write_runtime; # external watchdog should not bark
2375	cf::emergency_save;	3875	cf::emergency_save;
2376	cf::write_runtime; # external watchdog should not bark
2377		3876
2378	warn "syncing database to disk";
2379	BDB::db_env_txn_checkpoint $DB_ENV;
2380
2381	# if anything goes wrong in here, we should simply crash as we already saved
2382
2383	warn "cancelling all WF_AUTOCANCEL watchers";
2384	for (Event::all_watchers) {
2385	$_->cancel if $_->data & WF_AUTOCANCEL;
2386	}
2387
2388	warn "flushing outstanding aio requests";
2389	for (;;) {
2390	BDB::flush;
2391	IO::AIO::flush;
2392	Coro::cede;
2393	last unless IO::AIO::nreqs || BDB::nreqs;
2394	warn "iterate...";
2395	}
2396
2397	warn "cancelling all extension coros";	3877	trace "cancelling all extension coros";
2398	$_->cancel for values %EXT_CORO;	3878	$_->cancel for values %EXT_CORO;
2399	%EXT_CORO = ();	3879	%EXT_CORO = ();
2400		3880
2401	warn "removing commands";	3881	trace "removing commands";
2402	%COMMAND = ();	3882	%COMMAND = ();
2403		3883
2404	warn "removing ext commands";	3884	trace "removing ext/exti commands";
2405	%EXTCMD = ();	3885	%EXTCMD = ();
		3886	%EXTICMD = ();
2406		3887
2407	warn "unloading/nuking all extensions";	3888	trace "unloading/nuking all extensions";
2408	for my $pkg (@EXTS) {	3889	for my $pkg (@EXTS) {
2409	warn "... unloading $pkg";	3890	trace "... unloading $pkg";
2410		3891
2411	if (my $cb = $pkg->can ("unload")) {	3892	if (my $cb = $pkg->can ("unload")) {
2412	eval {	3893	eval {
2413	$cb->($pkg);	3894	$cb->($pkg);
2414	1	3895	1
2415	} or warn "$pkg unloaded, but with errors: $@";	3896	} or error "$pkg unloaded, but with errors: $@";
		3897	}
		3898
		3899	trace "... clearing $pkg";
		3900	clear_package $pkg;
2416	}	3901	}
2417		3902
2418	warn "... nuking $pkg";
2419	Symbol::delete_package $pkg;
2420	}
2421
2422	warn "unloading all perl modules loaded from $LIBDIR";	3903	trace "unloading all perl modules loaded from $LIBDIR";
2423	while (my ($k, $v) = each %INC) {	3904	while (my ($k, $v) = each %INC) {
2424	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3905	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2425		3906
2426	warn "... unloading $k";	3907	trace "... unloading $k";
2427	delete $INC{$k};	3908	delete $INC{$k};
2428		3909
2429	$k =~ s/\.pm$//;	3910	$k =~ s/\.pm$//;
2430	$k =~ s/\//::/g;	3911	$k =~ s/\//::/g;
2431		3912
2432	if (my $cb = $k->can ("unload_module")) {	3913	if (my $cb = $k->can ("unload_module")) {
2433	$cb->();	3914	$cb->();
		3915	}
		3916
		3917	clear_package $k;
2434	}	3918	}
2435		3919
2436	Symbol::delete_package $k;
2437	}
2438
2439	warn "getting rid of safe::, as good as possible";	3920	trace "getting rid of safe::, as good as possible";
2440	Symbol::delete_package "safe::$_"	3921	clear_package "safe::$_"
2441	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3922	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2442		3923
2443	warn "unloading cf.pm \"a bit\"";	3924	trace "unloading cf.pm \"a bit\"";
2444	delete $INC{"cf.pm"};	3925	delete $INC{"cf.pm"};
		3926	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2445		3927
2446	# don't, removes xs symbols, too,	3928	# don't, removes xs symbols, too,
2447	# and global variables created in xs	3929	# and global variables created in xs
2448	#Symbol::delete_package __PACKAGE__;	3930	#clear_package __PACKAGE__;
2449		3931
2450	warn "unload completed, starting to reload now";	3932	info "unload completed, starting to reload now";
2451		3933
2452	warn "reloading cf.pm";	3934	trace "reloading cf.pm";
2453	require cf;	3935	require cf;
2454	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3936	cf::_connect_to_perl_1;
2455		3937
2456	warn "loading config and database again";	3938	trace "loading config and database again";
2457	cf::cfg_load;	3939	cf::reload_config;
2458		3940
2459	warn "loading extensions";	3941	trace "loading extensions";
2460	cf::load_extensions;	3942	cf::load_extensions;
2461		3943
		3944	if ($REATTACH_ON_RELOAD) {
2462	warn "reattaching attachments to objects/players";	3945	trace "reattaching attachments to objects/players";
2463	_global_reattach;	3946	_global_reattach; # objects, sockets
2464	warn "reattaching attachments to maps";	3947	trace "reattaching attachments to maps";
2465	reattach $_ for values %MAP;	3948	reattach $_ for values %MAP;
		3949	trace "reattaching attachments to players";
		3950	reattach $_ for values %PLAYER;
		3951	}
2466		3952
2467	warn "loading reloadable resources";	3953	trace "running post_init jobs";
2468	init_resources;	3954	(pop @POST_INIT)->(1) while @POST_INIT;
2469		3955
2470	warn "leaving sync_job";	3956	trace "leaving sync_job";
2471		3957
2472	1	3958	1
2473	} or do {	3959	} or do {
2474	warn $@;	3960	error $@;
2475	warn "error while reloading, exiting.";	3961	cf::cleanup "error while reloading, exiting.";
2476	exit 1;	3962	};
		3963
		3964	info "reloaded";
		3965	--$RELOAD;
		3966	}
		3967
		3968	$t1 = AE::time - $t1;
		3969	info "reload completed in ${t1}s\n";
		3970	};
		3971
		3972	our $RELOAD_WATCHER; # used only during reload
		3973
		3974	sub reload_perl() {
		3975	# doing reload synchronously and two reloads happen back-to-back,
		3976	# coro crashes during coro_state_free->destroy here.
		3977
		3978	$RELOAD_WATCHER ||= cf::async {
		3979	Coro::AIO::aio_wait cache_extensions;
		3980
		3981	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3982	do_reload_perl;
		3983	undef $RELOAD_WATCHER;
		3984	};
2477	};	3985	};
2478		3986	}
2479	warn "reloaded";
2480	};
2481
2482	our $RELOAD_WATCHER; # used only during reload
2483		3987
2484	register_command "reload" => sub {	3988	register_command "reload" => sub {
2485	my ($who, $arg) = @_;	3989	my ($who, $arg) = @_;
2486		3990
2487	if ($who->flag (FLAG_WIZ)) {	3991	if ($who->flag (FLAG_WIZ)) {
2488	$who->message ("reloading server.");	3992	$who->message ("reloading server.");
2489		3993	async {
2490	# doing reload synchronously and two reloads happen back-to-back,	3994	$Coro::current->{desc} = "perl_reload";
2491	# coro crashes during coro_state_free->destroy here.
2492
2493	$RELOAD_WATCHER ||= Event->timer (
2494	reentrant => 0,
2495	after => 0,
2496	data => WF_AUTOCANCEL,
2497	cb => sub {
2498	reload;	3995	reload_perl;
2499	undef $RELOAD_WATCHER;
2500	},
2501	);	3996	};
2502	}	3997	}
2503	};	3998	};
2504		3999
2505	unshift @INC, $LIBDIR;	4000	unshift @INC, $LIBDIR;
2506		4001
2507	my $bug_warning = 0;	4002	my $bug_warning = 0;
2508		4003
2509	$TICK_WATCHER = Event->timer (	4004	our @WAIT_FOR_TICK;
2510	reentrant => 0,	4005	our @WAIT_FOR_TICK_BEGIN;
2511	parked => 1,	4006
2512	prio => 0,	4007	sub wait_for_tick {
2513	at => $NEXT_TICK || $TICK,	4008	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2514	data => WF_AUTOCANCEL,	4009
2515	cb => sub {	4010	my $signal = new Coro::Signal;
		4011	push @WAIT_FOR_TICK, $signal;
		4012	$signal->wait;
		4013	}
		4014
		4015	sub wait_for_tick_begin {
		4016	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4017
		4018	my $signal = new Coro::Signal;
		4019	push @WAIT_FOR_TICK_BEGIN, $signal;
		4020	$signal->wait;
		4021	}
		4022
		4023	sub tick {
2516	if ($Coro::current != $Coro::main) {	4024	if ($Coro::current != $Coro::main) {
2517	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4025	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2518	unless ++$bug_warning > 10;	4026	unless ++$bug_warning > 10;
2519	return;	4027	return;
2520	}	4028	}
2521		4029
2522	$NOW = Event::time;
2523
2524	cf::server_tick; # one server iteration	4030	cf::server_tick; # one server iteration
2525	$RUNTIME += $TICK;
2526	$NEXT_TICK += $TICK;
2527		4031
		4032	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4033
2528	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4034	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2529	$NEXT_RUNTIME_WRITE = $NOW + 10;	4035	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2530	Coro::async_pool {	4036	Coro::async_pool {
		4037	$Coro::current->{desc} = "runtime saver";
2531	write_runtime	4038	write_runtime_sync
2532	or warn "ERROR: unable to write runtime file: $!";	4039	or error "ERROR: unable to write runtime file: $!";
2533	};
2534	}	4040	};
2535
2536	$WAIT_FOR_TICK->broadcast;
2537	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2538
2539	# my $AFTER = Event::time;
2540	# warn $AFTER - $NOW;#d#
2541
2542	# if we are delayed by four ticks or more, skip them all
2543	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2544
2545	$TICK_WATCHER->at ($NEXT_TICK);
2546	$TICK_WATCHER->start;
2547	},	4041	}
2548	);	4042
		4043	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4044	$sig->send;
		4045	}
		4046	while (my $sig = shift @WAIT_FOR_TICK) {
		4047	$sig->send;
		4048	}
		4049
		4050	$LOAD = ($NOW - $TICK_START) / $TICK;
		4051	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4052
		4053	if (0) {
		4054	if ($NEXT_TICK) {
		4055	my $jitter = $TICK_START - $NEXT_TICK;
		4056	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4057	debug "jitter $JITTER\n";#d#
		4058	}
		4059	}
		4060	}
2549		4061
2550	{	4062	{
2551	BDB::max_poll_time $TICK * 0.1;	4063	# configure BDB
2552	$BDB_POLL_WATCHER = Event->io (	4064
2553	reentrant => 0,
2554	fd => BDB::poll_fileno,
2555	poll => 'r',
2556	prio => 0,
2557	data => WF_AUTOCANCEL,
2558	cb => \&BDB::poll_cb,
2559	);
2560	BDB::min_parallel 8;	4065	BDB::min_parallel 16;
2561		4066	BDB::max_poll_reqs $TICK * 0.1;
2562	BDB::set_sync_prepare {	4067	$AnyEvent::BDB::WATCHER->priority (1);
2563	my $status;
2564	my $current = $Coro::current;
2565	(
2566	sub {
2567	$status = $!;
2568	$current->ready; undef $current;
2569	},
2570	sub {
2571	Coro::schedule while defined $current;
2572	$! = $status;
2573	},
2574	)
2575	};
2576		4068
2577	unless ($DB_ENV) {	4069	unless ($DB_ENV) {
2578	$DB_ENV = BDB::db_env_create;	4070	$DB_ENV = BDB::db_env_create;
		4071	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4072	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4073	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4074	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4075	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2579		4076
2580	cf::sync_job {	4077	cf::sync_job {
2581	eval {	4078	eval {
2582	BDB::db_env_open	4079	BDB::db_env_open
2583	$DB_ENV,	4080	$DB_ENV,
2584	$BDB_ENV_DIR,	4081	$BDBDIR,
2585	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4082	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2586	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4083	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2587	0666;	4084	0666;
2588		4085
2589	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4086	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2590
2591	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2592	$DB_ENV->set_lk_detect;
2593	};	4087	};
2594		4088
2595	cf::cleanup "db_env_open(db): $@" if $@;	4089	cf::cleanup "db_env_open(db): $@" if $@;
2596	};	4090	};
2597	}	4091	}
		4092
		4093	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4094	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4095	};
		4096	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4097	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4098	};
		4099	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4100	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4101	};
2598	}	4102	}
2599		4103
2600	{	4104	{
		4105	# configure IO::AIO
		4106
2601	IO::AIO::min_parallel 8;	4107	IO::AIO::min_parallel 8;
2602
2603	undef $Coro::AIO::WATCHER;
2604	IO::AIO::max_poll_time $TICK * 0.1;	4108	IO::AIO::max_poll_time $TICK * 0.1;
2605	$AIO_POLL_WATCHER = Event->io (	4109	undef $AnyEvent::AIO::WATCHER;
2606	reentrant => 0,
2607	data => WF_AUTOCANCEL,
2608	fd => IO::AIO::poll_fileno,
2609	poll => 'r',
2610	prio => 6,
2611	cb => \&IO::AIO::poll_cb,
2612	);
2613	}	4110	}
		4111
		4112	my $_log_backtrace;
		4113
		4114	sub _log_backtrace {
		4115	my ($msg, @addr) = @_;
		4116
		4117	$msg =~ s/\n//;
		4118
		4119	# limit the # of concurrent backtraces
		4120	if ($_log_backtrace < 2) {
		4121	++$_log_backtrace;
		4122	my $perl_bt = Carp::longmess $msg;
		4123	async {
		4124	$Coro::current->{desc} = "abt $msg";
		4125
		4126	my @bt = fork_call {
		4127	@addr = map { sprintf "%x", $_ } @addr;
		4128	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4129	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4130	or die "addr2line: $!";
		4131
		4132	my @funcs;
		4133	my @res = <$fh>;
		4134	chomp for @res;
		4135	while (@res) {
		4136	my ($func, $line) = splice @res, 0, 2, ();
		4137	push @funcs, "[$func] $line";
		4138	}
		4139
		4140	@funcs
		4141	};
		4142
		4143	LOG llevInfo, "[ABT] $perl_bt\n";
		4144	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4145	LOG llevInfo, "[ABT] $_\n" for @bt;
		4146	--$_log_backtrace;
		4147	};
		4148	} else {
		4149	LOG llevInfo, "[ABT] $msg\n";
		4150	LOG llevInfo, "[ABT] [suppressed]\n";
		4151	}
		4152	}
		4153
		4154	# load additional modules
		4155	require "cf/$_.pm" for @EXTRA_MODULES;
		4156	cf::_connect_to_perl_2;
2614		4157
2615	END { cf::emergency_save }	4158	END { cf::emergency_save }
2616		4159
2617	1	4160	1
2618		4161

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