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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.219 by root, Sat Feb 17 03:19:44 2007 UTC vs.
Revision 1.544 by root, Thu May 6 21:58:07 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
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
20	use BDB ();	54	use BDB ();
21	use Data::Dumper;	55	use Data::Dumper;
22	use Digest::MD5;
23	use Fcntl;	56	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
26	use Time::HiRes;	59	use Time::HiRes;
27	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
28		62
		63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	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	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		75
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		78
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		80
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
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 incloader);
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}: $@\n";
		1456
		1457	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1458	if exists $v->{meta}{mandatory};
		1459
		1460	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1461	delete $todo{$k};
		1462	} else {
		1463	$done{$k} = delete $todo{$k};
		1464	push @EXTS, $v->{pkg};
		1465	$progress = 1;
		1466
		1467	info "$v->{base}: extension inactive.\n"
		1468	unless $active;
		1469	}
927	1	1470	}
928	} or warn "$ext not loaded: $@";	1471
		1472	unless ($progress) {
		1473	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1474
		1475	while (my ($k, $v) = each %todo) {
		1476	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1477	if exists $v->{meta}{mandatory};
		1478	}
		1479	}
		1480	}
929	}	1481	};
930	}	1482	}
931		1483
932	#############################################################################	1484	#############################################################################
933		1485
		1486	=back
		1487
934	=head2 CORE EXTENSIONS	1488	=head2 CORE EXTENSIONS
935		1489
936	Functions and methods that extend core crossfire objects.	1490	Functions and methods that extend core deliantra objects.
937		1491
938	=cut	1492	=cut
939		1493
940	package cf::player;	1494	package cf::player;
941		1495
…		…
943		1497
944	=head3 cf::player	1498	=head3 cf::player
945		1499
946	=over 4	1500	=over 4
947		1501
		1502	=item cf::player::num_playing
		1503
		1504	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1505
		1506	=cut
		1507
		1508	sub num_playing {
		1509	scalar grep
		1510	$_->ob->map
		1511	&& !$_->hidden
		1512	&& !$_->ob->flag (cf::FLAG_WIZ),
		1513	cf::player::list
		1514	}
		1515
948	=item cf::player::find $login	1516	=item cf::player::find $login
949		1517
950	Returns the given player object, loading it if necessary (might block).	1518	Returns the given player object, loading it if necessary (might block).
951		1519
952	=cut	1520	=cut
953		1521
954	sub playerdir($) {	1522	sub playerdir($) {
955	cf::localdir	1523	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1524	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1525	}
961		1526
962	sub path($) {	1527	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1528	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1529
965	(playerdir $login) . "/$login.pl"	1530	(playerdir $login) . "/playerdata"
966	}	1531	}
967		1532
968	sub find_active($) {	1533	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1534	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1535	and $cf::PLAYER{$_[0]}->active
…		…
973		1538
974	sub exists($) {	1539	sub exists($) {
975	my ($login) = @_;	1540	my ($login) = @_;
976		1541
977	$cf::PLAYER{$login}	1542	$cf::PLAYER{$login}
978	or cf::sync_job { !aio_stat path $login }	1543	or !aio_stat path $login
979	}	1544	}
980		1545
981	sub find($) {	1546	sub find($) {
982	return $cf::PLAYER{$_[0]} || do {	1547	return $cf::PLAYER{$_[0]} || do {
983	my $login = $_[0];	1548	my $login = $_[0];
984		1549
985	my $guard = cf::lock_acquire "user_find:$login";	1550	my $guard = cf::lock_acquire "user_find:$login";
986		1551
987	$cf::PLAYER{$_[0]} || do {	1552	$cf::PLAYER{$_[0]} || do {
988	my $pl = load_pl path $login	1553	# rename old playerfiles to new ones
		1554	#TODO: remove when no longer required
		1555	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1556	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1557	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1558	aio_unlink +(playerdir $login) . "/$login.pl";
		1559
		1560	my $f = new_from_file cf::object::thawer path $login
989	or return;	1561	or return;
		1562
		1563	my $pl = cf::player::load_pl $f
		1564	or return;
		1565
		1566	local $cf::PLAYER_LOADING{$login} = $pl;
		1567	$f->resolve_delayed_derefs;
990	$cf::PLAYER{$login} = $pl	1568	$cf::PLAYER{$login} = $pl
991	}	1569	}
992	}	1570	}
993	}	1571	}
		1572
		1573	cf::player->attach (
		1574	on_load => sub {
		1575	my ($pl, $path) = @_;
		1576
		1577	# restore slots saved in save, below
		1578	my $slots = delete $pl->{_slots};
		1579
		1580	$pl->ob->current_weapon ($slots->[0]);
		1581	$pl->combat_ob ($slots->[1]);
		1582	$pl->ranged_ob ($slots->[2]);
		1583	},
		1584	);
994		1585
995	sub save($) {	1586	sub save($) {
996	my ($pl) = @_;	1587	my ($pl) = @_;
997		1588
998	return if $pl->{deny_save};	1589	return if $pl->{deny_save};
…		…
1003	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
1004		1595
1005	aio_mkdir playerdir $pl, 0770;	1596	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1597	$pl->{last_save} = $cf::RUNTIME;
1007		1598
		1599	cf::get_slot 0.01;
		1600
		1601	# save slots, to be restored later
		1602	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1603
1008	$pl->save_pl ($path);	1604	$pl->save_pl ($path);
1009	Coro::cede;	1605	cf::cede_to_tick;
1010	}	1606	}
1011		1607
1012	sub new($) {	1608	sub new($) {
1013	my ($login) = @_;	1609	my ($login) = @_;
1014		1610
…		…
1020	$cf::PLAYER{$login} = $self;	1616	$cf::PLAYER{$login} = $self;
1021		1617
1022	$self	1618	$self
1023	}	1619	}
1024		1620
		1621	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1622
		1623	=cut
		1624
		1625	sub send_msg {
		1626	my $ns = shift->ns
		1627	or return;
		1628	$ns->send_msg (@_);
		1629	}
		1630
1025	=item $pl->quit_character	1631	=item $pl->quit_character
1026		1632
1027	Nukes the player without looking back. If logged in, the connection will	1633	Nukes the player without looking back. If logged in, the connection will
1028	be destroyed. May block for a long time.	1634	be destroyed. May block for a long time.
1029		1635
1030	=cut	1636	=cut
1031		1637
1032	sub quit_character {	1638	sub quit_character {
1033	my ($pl) = @_;	1639	my ($pl) = @_;
1034		1640
		1641	my $name = $pl->ob->name;
		1642
1035	$pl->{deny_save} = 1;	1643	$pl->{deny_save} = 1;
1036	$pl->password ("*"); # this should lock out the player until we nuked the dir	1644	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1037		1645
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1646	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1039	$pl->deactivate;	1647	$pl->deactivate;
		1648	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1040	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1649	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1041	$pl->ns->destroy if $pl->ns;	1650	$pl->ns->destroy if $pl->ns;
1042		1651
1043	my $path = playerdir $pl;	1652	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1653	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1654	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1655	delete $cf::PLAYER{$pl->ob->name};
1047	$pl->destroy;	1656	$pl->destroy;
		1657
		1658	my $prefix = qr<^~\Q$name\E/>;
		1659
		1660	# nuke player maps
		1661	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1662
1048	IO::AIO::aio_rmtree $temp;	1663	IO::AIO::aio_rmtree $temp;
		1664	}
		1665
		1666	=item $pl->kick
		1667
		1668	Kicks a player out of the game. This destroys the connection.
		1669
		1670	=cut
		1671
		1672	sub kick {
		1673	my ($pl, $kicker) = @_;
		1674
		1675	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1676	$pl->killer ("kicked");
		1677	$pl->ns->destroy;
1049	}	1678	}
1050		1679
1051	=item cf::player::list_logins	1680	=item cf::player::list_logins
1052		1681
1053	Returns am arrayref of all valid playernames in the system, can take a	1682	Returns am arrayref of all valid playernames in the system, can take a
1054	while and may block, so not sync_job-capable, ever.	1683	while and may block, so not sync_job-capable, ever.
1055		1684
1056	=cut	1685	=cut
1057		1686
1058	sub list_logins {	1687	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1688	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1689	or return [];
1061		1690
1062	my @logins;	1691	my @logins;
1063		1692
1064	for my $login (@$dirs) {	1693	for my $login (@$dirs) {
		1694	my $path = path $login;
		1695
		1696	# a .pst is a dead give-away for a valid player
		1697	# if no pst file found, open and chekc for blocked users
		1698	if (aio_stat "$path.pst") {
1065	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1699	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1066	aio_read $fh, 0, 512, my $buf, 0 or next;	1700	aio_read $fh, 0, 512, my $buf, 0 or next;
1067	$buf !~ /^password -------------$/m or next; # official not-valid tag	1701	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1702	}
1068		1703
1069	utf8::decode $login;	1704	utf8::decode $login;
1070	push @logins, $login;	1705	push @logins, $login;
1071	}	1706	}
1072		1707
1073	\@logins	1708	\@logins
1074	}	1709	}
1075		1710
1076	=item $player->maps	1711	=item $player->maps
		1712
		1713	=item cf::player::maps $login
1077		1714
1078	Returns an arrayref of map paths that are private for this	1715	Returns an arrayref of map paths that are private for this
1079	player. May block.	1716	player. May block.
1080		1717
1081	=cut	1718	=cut
…		…
1099	}	1736	}
1100		1737
1101	\@paths	1738	\@paths
1102	}	1739	}
1103		1740
		1741	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1742
		1743	Expand deliantra pod fragments into protocol xml.
		1744
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1745	=item $player->ext_reply ($msgid, @msg)
1105		1746
1106	Sends an ext reply to the player.	1747	Sends an ext reply to the player.
1107		1748
1108	=cut	1749	=cut
1109		1750
1110	sub ext_reply($$$%) {	1751	sub ext_reply($$@) {
1111	my ($self, $id, %msg) = @_;	1752	my ($self, $id, @msg) = @_;
1112		1753
1113	$msg{msgid} = $id;	1754	$self->ns->ext_reply ($id, @msg)
1114
1115	$self->send ("ext " . cf::to_json \%msg);
1116	}	1755	}
1117		1756
1118	package cf;	1757	=item $player->ext_msg ($type, @msg)
		1758
		1759	Sends an ext event to the client.
		1760
		1761	=cut
		1762
		1763	sub ext_msg($$@) {
		1764	my ($self, $type, @msg) = @_;
		1765
		1766	$self->ns->ext_msg ($type, @msg);
		1767	}
		1768
		1769	=head3 cf::region
		1770
		1771	=over 4
		1772
		1773	=cut
		1774
		1775	package cf::region;
		1776
		1777	=item cf::region::find_by_path $path
		1778
		1779	Tries to decuce the likely region for a map knowing only its path.
		1780
		1781	=cut
		1782
		1783	sub find_by_path($) {
		1784	my ($path) = @_;
		1785
		1786	$path =~ s/^~[^\/]*//; # skip ~login
		1787
		1788	my ($match, $specificity);
		1789
		1790	for my $region (list) {
		1791	if ($region->{match} && $path =~ $region->{match}) {
		1792	($match, $specificity) = ($region, $region->specificity)
		1793	if $region->specificity > $specificity;
		1794	}
		1795	}
		1796
		1797	$match
		1798	}
1119		1799
1120	=back	1800	=back
1121
1122		1801
1123	=head3 cf::map	1802	=head3 cf::map
1124		1803
1125	=over 4	1804	=over 4
1126		1805
…		…
1138	our $MAX_RESET = 3600;	1817	our $MAX_RESET = 3600;
1139	our $DEFAULT_RESET = 3000;	1818	our $DEFAULT_RESET = 3000;
1140		1819
1141	sub generate_random_map {	1820	sub generate_random_map {
1142	my ($self, $rmp) = @_;	1821	my ($self, $rmp) = @_;
		1822
		1823	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1824
1143	# mit "rum" bekleckern, nicht	1825	# mit "rum" bekleckern, nicht
1144	$self->_create_random_map (	1826	$self->_create_random_map (
1145	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1827	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1146	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1828	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1147	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1829	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1148	$rmp->{exit_on_final_map},	1830	$rmp->{exit_on_final_map},
1149	$rmp->{xsize}, $rmp->{ysize},	1831	$rmp->{xsize}, $rmp->{ysize},
1150	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1832	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1151	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1833	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1166		1848
1167	sub register {	1849	sub register {
1168	my (undef, $regex, $prio) = @_;	1850	my (undef, $regex, $prio) = @_;
1169	my $pkg = caller;	1851	my $pkg = caller;
1170		1852
1171	no strict;
1172	push @{"$pkg\::ISA"}, __PACKAGE__;	1853	push @{"$pkg\::ISA"}, __PACKAGE__;
1173		1854
1174	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1855	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1175	}	1856	}
1176		1857
1177	# also paths starting with '/'	1858	# also paths starting with '/'
1178	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1859	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1179		1860
1180	sub thawer_merge {	1861	sub thawer_merge {
1181	my ($self, $merge) = @_;	1862	my ($self, $merge) = @_;
1182		1863
1183	# we have to keep some variables in memory intact	1864	# we have to keep some variables in memory intact
1184	local $self->{path};	1865	local $self->{path};
1185	local $self->{load_path};	1866	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1867
1189	$self->SUPER::thawer_merge ($merge);	1868	$self->SUPER::thawer_merge ($merge);
1190	}	1869	}
1191		1870
1192	sub normalise {	1871	sub normalise {
1193	my ($path, $base) = @_;	1872	my ($path, $base) = @_;
1194		1873
1195	$path = "$path"; # make sure its a string	1874	$path = "$path"; # make sure it's a string
1196		1875
1197	$path =~ s/\.map$//;	1876	$path =~ s/\.map$//;
1198		1877
1199	# map plan:	1878	# map plan:
1200	#	1879	#
…		…
1239	$self->init; # pass $1 etc.	1918	$self->init; # pass $1 etc.
1240	return $self;	1919	return $self;
1241	}	1920	}
1242	}	1921	}
1243		1922
1244	Carp::carp "unable to resolve path '$path' (base '$base').";	1923	Carp::cluck "unable to resolve path '$path' (base '$base')";
1245	()	1924	()
1246	}	1925	}
1247		1926
1248	sub init {	1927	sub init {
1249	my ($self) = @_;	1928	my ($self) = @_;
…		…
1264		1943
1265	# the original (read-only) location	1944	# the original (read-only) location
1266	sub load_path {	1945	sub load_path {
1267	my ($self) = @_;	1946	my ($self) = @_;
1268		1947
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1948	"$MAPDIR/$self->{path}.map"
1270	}	1949	}
1271		1950
1272	# the temporary/swap location	1951	# the temporary/swap location
1273	sub save_path {	1952	sub save_path {
1274	my ($self) = @_;	1953	my ($self) = @_;
1275		1954
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1955	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1956	"$TMPDIR/$path.map"
1278	}	1957	}
1279		1958
1280	# the unique path, undef == no special unique path	1959	# the unique path, undef == no special unique path
1281	sub uniq_path {	1960	sub uniq_path {
1282	my ($self) = @_;	1961	my ($self) = @_;
1283		1962
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1963	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1964	"$UNIQUEDIR/$path"
1286	}	1965	}
1287		1966
1288	# and all this just because we cannot iterate over	1967	sub decay_objects {
1289	# all maps in C++...
1290	sub change_all_map_light {
1291	my ($change) = @_;	1968	my ($self) = @_;
1292		1969
1293	$_->change_map_light ($change)	1970	return if $self->{deny_reset};
1294	for grep $_->outdoor, values %cf::MAP;	1971
		1972	$self->do_decay_objects;
1295	}	1973	}
1296		1974
1297	sub unlink_save {	1975	sub unlink_save {
1298	my ($self) = @_;	1976	my ($self) = @_;
1299		1977
…		…
1304		1982
1305	sub load_header_from($) {	1983	sub load_header_from($) {
1306	my ($self, $path) = @_;	1984	my ($self, $path) = @_;
1307		1985
1308	utf8::encode $path;	1986	utf8::encode $path;
1309	#aio_open $path, O_RDONLY, 0	1987	my $f = new_from_file cf::object::thawer $path
1310	# or return;
1311
1312	$self->_load_header ($path)
1313	or return;	1988	or return;
		1989
		1990	$self->_load_header ($f)
		1991	or return;
		1992
		1993	local $MAP_LOADING{$self->{path}} = $self;
		1994	$f->resolve_delayed_derefs;
1314		1995
1315	$self->{load_path} = $path;	1996	$self->{load_path} = $path;
1316		1997
1317	1	1998	1
1318	}	1999	}
…		…
1357	$self->load_header_orig	2038	$self->load_header_orig
1358	or return;	2039	or return;
1359	$self->prepare_orig;	2040	$self->prepare_orig;
1360	}	2041	}
1361		2042
		2043	$self->{deny_reset} = 1
		2044	if $self->no_reset;
		2045
		2046	$self->default_region (cf::region::find_by_path $self->{path})
		2047	unless $self->default_region;
		2048
1362	1	2049	1
1363	}	2050	}
1364		2051
1365	sub find;	2052	sub find;
1366	sub find {	2053	sub find {
1367	my ($path, $origin) = @_;	2054	my ($path, $origin) = @_;
1368		2055
		2056	cf::cede_to_tick;
		2057
1369	$path = normalise $path, $origin && $origin->path;	2058	$path = normalise $path, $origin && $origin->path;
1370		2059
		2060	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1371	cf::lock_wait "map_find:$path";	2061	my $guard2 = cf::lock_acquire "map_find:$path";
1372		2062
1373	$cf::MAP{$path} || do {	2063	$cf::MAP{$path} || do {
1374	my $guard = cf::lock_acquire "map_find:$path";
1375	my $map = new_from_path cf::map $path	2064	my $map = new_from_path cf::map $path
1376	or return;	2065	or return;
1377		2066
1378	$map->{last_save} = $cf::RUNTIME;	2067	$map->{last_save} = $cf::RUNTIME;
1379		2068
1380	$map->load_header	2069	$map->load_header
1381	or return;	2070	or return;
1382		2071
1383	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2072	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1384	# doing this can freeze the server in a sync job, obviously	2073	# doing this can freeze the server in a sync job, obviously
1385	#$cf::WAIT_FOR_TICK->wait;	2074	#$cf::WAIT_FOR_TICK->wait;
		2075	undef $guard2;
		2076	undef $guard1;
1386	$map->reset;	2077	$map->reset;
1387	undef $guard;
1388	return find $path;	2078	return find $path;
1389	}	2079	}
1390		2080
1391	$cf::MAP{$path} = $map	2081	$cf::MAP{$path} = $map
1392	}	2082	}
1393	}	2083	}
1394		2084
1395	sub pre_load { }	2085	sub pre_load { }
1396	sub post_load { }	2086	#sub post_load { } # XS
1397		2087
1398	sub load {	2088	sub load {
1399	my ($self) = @_;	2089	my ($self) = @_;
1400		2090
1401	local $self->{deny_reset} = 1; # loading can take a long time	2091	local $self->{deny_reset} = 1; # loading can take a long time
1402		2092
1403	my $path = $self->{path};	2093	my $path = $self->{path};
		2094
		2095	{
1404	my $guard = cf::lock_acquire "map_load:$path";	2096	my $guard = cf::lock_acquire "map_data:$path";
1405		2097
		2098	return unless $self->valid;
1406	return if $self->in_memory != cf::MAP_SWAPPED;	2099	return unless $self->in_memory == cf::MAP_SWAPPED;
1407		2100
1408	$self->in_memory (cf::MAP_LOADING);	2101	$self->in_memory (cf::MAP_LOADING);
1409		2102
1410	$self->alloc;	2103	$self->alloc;
1411		2104
1412	$self->pre_load;	2105	$self->pre_load;
		2106	cf::cede_to_tick;
1413		2107
1414	$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)
1415	or return;	2111	or return;
1416		2112
1417	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2113	$self->post_load_original
1418	if delete $self->{load_original};	2114	if delete $self->{load_original};
1419		2115
1420	if (my $uniq = $self->uniq_path) {	2116	if (my $uniq = $self->uniq_path) {
1421	utf8::encode $uniq;	2117	utf8::encode $uniq;
1422	if (aio_open $uniq, O_RDONLY, 0) {	2118	unless (aio_stat $uniq) {
		2119	if (my $f = new_from_file cf::object::thawer $uniq) {
1423	$self->clear_unique_items;	2120	$self->clear_unique_items;
1424	$self->_load_objects ($uniq, 0);	2121	$self->_load_objects ($f);
		2122	$f->resolve_delayed_derefs;
		2123	}
1425	}	2124	}
1426	}	2125	}
1427		2126
1428	Coro::cede;	2127	$f->resolve_delayed_derefs;
1429		2128
		2129	cf::cede_to_tick;
1430	# now do the right thing for maps	2130	# now do the right thing for maps
1431	$self->link_multipart_objects;	2131	$self->link_multipart_objects;
1432
1433	unless ($self->{deny_activate}) {
1434	$self->decay_objects;
1435	$self->fix_auto_apply;
1436	$self->update_buttons;
1437	Coro::cede;
1438	$self->set_darkness_map;
1439	$self->difficulty ($self->estimate_difficulty)	2132	$self->difficulty ($self->estimate_difficulty)
1440	unless $self->difficulty;	2133	unless $self->difficulty;
1441	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;
1442	$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);
1443	}	2148	}
1444		2149
1445	$self->post_load;	2150	$self->post_load;
1446
1447	$self->in_memory (cf::MAP_IN_MEMORY);
1448	}	2151	}
1449		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
1450	sub customise_for {	2156	sub customise_for {
1451	my ($self, $ob) = @_;	2157	my ($self, $ob) = @_;
1452		2158
1453	return find "~" . $ob->name . "/" . $self->{path}	2159	return find "~" . $ob->name . "/" . $self->{path}
1454	if $self->per_player;	2160	if $self->per_player;
1455		2161
		2162	# return find "?party/" . $ob->name . "/" . $self->{path}
		2163	# if $self->per_party;
		2164
1456	$self	2165	$self
1457	}	2166	}
1458		2167
1459	# 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
1460	sub load_diag {	2169	sub load_neighbours {
1461	my ($map) = @_;	2170	my ($map) = @_;
1462		2171
1463	my @diag; # diagonal neighbours	2172	my @neigh; # diagonal neighbours
1464		2173
1465	for (0 .. 3) {	2174	for (0 .. 3) {
1466	my $neigh = $map->tile_path ($_)	2175	my $neigh = $map->tile_path ($_)
1467	or next;	2176	or next;
1468	$neigh = find $neigh, $map	2177	$neigh = find $neigh, $map
1469	or next;	2178	or next;
1470	$neigh->load;	2179	$neigh->load;
1471		2180
		2181	# now find the diagonal neighbours
		2182	push @neigh,
1472	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2183	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1473	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2184	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1474	}	2185	}
1475		2186
1476	for (@diag) {	2187	for (grep defined $_->[0], @neigh) {
		2188	my ($path, $origin) = @$_;
1477	my $neigh = find @$_	2189	my $neigh = find $path, $origin
1478	or next;	2190	or next;
1479	$neigh->load;	2191	$neigh->load;
1480	}	2192	}
1481	}	2193	}
1482		2194
1483	sub find_sync {	2195	sub find_sync {
1484	my ($path, $origin) = @_;	2196	my ($path, $origin) = @_;
1485		2197
1486	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
1487	}	2202	}
1488		2203
1489	sub do_load_sync {	2204	sub do_load_sync {
1490	my ($map) = @_;	2205	my ($map) = @_;
1491		2206
1492	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;
1493	}	2211	}
1494		2212
1495	our %MAP_PREFETCH;	2213	our %MAP_PREFETCH;
1496	our $MAP_PREFETCHER = undef;	2214	our $MAP_PREFETCHER = undef;
1497		2215
1498	sub find_async {	2216	sub find_async {
1499	my ($path, $origin) = @_;	2217	my ($path, $origin, $load) = @_;
1500		2218
1501	$path = normalise $path, $origin && $origin->{path};	2219	$path = normalise $path, $origin && $origin->{path};
1502		2220
1503	if (my $map = $cf::MAP{$path}) {	2221	if (my $map = $cf::MAP{$path}) {
1504	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2222	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1505	}	2223	}
1506		2224
1507	undef $MAP_PREFETCH{$path};	2225	$MAP_PREFETCH{$path} |= $load;
		2226
1508	$MAP_PREFETCHER ||= cf::async {	2227	$MAP_PREFETCHER ||= cf::async {
		2228	$Coro::current->{desc} = "map prefetcher";
		2229
1509	while (%MAP_PREFETCH) {	2230	while (%MAP_PREFETCH) {
1510	for my $path (keys %MAP_PREFETCH) {	2231	while (my ($k, $v) = each %MAP_PREFETCH) {
1511	my $map = find $path	2232	if (my $map = find $k) {
1512	or next;
1513	$map->load;	2233	$map->load if $v;
		2234	}
1514		2235
1515	delete $MAP_PREFETCH{$path};	2236	delete $MAP_PREFETCH{$k};
1516	}	2237	}
1517	}	2238	}
1518	undef $MAP_PREFETCHER;	2239	undef $MAP_PREFETCHER;
1519	};	2240	};
1520	$MAP_PREFETCHER->prio (6);	2241	$MAP_PREFETCHER->prio (6);
1521		2242
1522	()	2243	()
1523	}	2244	}
1524		2245
		2246	# common code, used by both ->save and ->swapout
1525	sub save {	2247	sub _save {
1526	my ($self) = @_;	2248	my ($self) = @_;
1527
1528	my $lock = cf::lock_acquire "map_data:" . $self->path;
1529		2249
1530	$self->{last_save} = $cf::RUNTIME;	2250	$self->{last_save} = $cf::RUNTIME;
1531		2251
1532	return unless $self->dirty;	2252	return unless $self->dirty;
1533		2253
…		…
1539	return if $self->{deny_save};	2259	return if $self->{deny_save};
1540		2260
1541	local $self->{last_access} = $self->last_access;#d#	2261	local $self->{last_access} = $self->last_access;#d#
1542		2262
1543	cf::async {	2263	cf::async {
		2264	$Coro::current->{desc} = "map player save";
1544	$_->contr->save for $self->players;	2265	$_->contr->save for $self->players;
1545	};	2266	};
		2267
		2268	cf::get_slot 0.02;
1546		2269
1547	if ($uniq) {	2270	if ($uniq) {
1548	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2271	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1549	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2272	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1550	} else {	2273	} else {
1551	$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);
1552	}	2275	}
1553	}	2276	}
1554		2277
		2278	sub save {
		2279	my ($self) = @_;
		2280
		2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2282
		2283	$self->_save;
		2284	}
		2285
1555	sub swap_out {	2286	sub swap_out {
1556	my ($self) = @_;	2287	my ($self) = @_;
1557		2288
1558	# save first because save cedes
1559	$self->save;
1560
1561	my $lock = cf::lock_acquire "map_data:" . $self->path;	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
1562		2290
		2291	return if $self->in_memory != cf::MAP_ACTIVE;
		2292	return if $self->{deny_save};
1563	return if $self->players;	2293	return if $self->players;
1564	return if $self->in_memory != cf::MAP_IN_MEMORY;
1565	return if $self->{deny_save};
1566		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
1567	$self->clear;	2304	$self->clear;
1568	$self->in_memory (cf::MAP_SWAPPED);
1569	}	2305	}
1570		2306
1571	sub reset_at {	2307	sub reset_at {
1572	my ($self) = @_;	2308	my ($self) = @_;
1573		2309
1574	# TODO: safety, remove and allow resettable per-player maps	2310	# TODO: safety, remove and allow resettable per-player maps
1575	return 1e99 if $self->isa ("ext::map_per_player");#d#
1576	return 1e99 if $self->{deny_reset};	2311	return 1e99 if $self->{deny_reset};
1577		2312
1578	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2313	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1579	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;
1580		2315
…		…
1591	my ($self) = @_;	2326	my ($self) = @_;
1592		2327
1593	my $lock = cf::lock_acquire "map_data:$self->{path}";	2328	my $lock = cf::lock_acquire "map_data:$self->{path}";
1594		2329
1595	return if $self->players;	2330	return if $self->players;
1596	return if $self->isa ("ext::map_per_player");#d#
1597		2331
1598	warn "resetting map ", $self->path;#d#	2332	cf::trace "resetting map ", $self->path, "\n";
1599		2333
1600	$self->in_memory (cf::MAP_SWAPPED);	2334	$self->in_memory (cf::MAP_SWAPPED);
1601		2335
1602	# need to save uniques path	2336	# need to save uniques path
1603	unless ($self->{deny_save}) {	2337	unless ($self->{deny_save}) {
…		…
1607	if $uniq;	2341	if $uniq;
1608	}	2342	}
1609		2343
1610	delete $cf::MAP{$self->path};	2344	delete $cf::MAP{$self->path};
1611		2345
		2346	$self->deactivate;
		2347	$_->clear_links_to ($self) for values %cf::MAP;
1612	$self->clear;	2348	$self->clear;
1613
1614	$_->clear_links_to ($self) for values %cf::MAP;
1615		2349
1616	$self->unlink_save;	2350	$self->unlink_save;
1617	$self->destroy;	2351	$self->destroy;
1618	}	2352	}
1619		2353
1620	my $nuke_counter = "aaaa";	2354	my $nuke_counter = "aaaa";
1621		2355
1622	sub nuke {	2356	sub nuke {
1623	my ($self) = @_;	2357	my ($self) = @_;
1624		2358
		2359	{
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
1625	delete $cf::MAP{$self->path};	2362	delete $cf::MAP{$self->path};
1626		2363
1627	$self->unlink_save;	2364	$self->unlink_save;
1628		2365
1629	bless $self, "cf::map";	2366	bless $self, "cf::map::wrap";
1630	delete $self->{deny_reset};	2367	delete $self->{deny_reset};
1631	$self->{deny_save} = 1;	2368	$self->{deny_save} = 1;
1632	$self->reset_timeout (1);	2369	$self->reset_timeout (1);
1633	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2370	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1634		2371
1635	$cf::MAP{$self->path} = $self;	2372	$cf::MAP{$self->path} = $self;
		2373	}
1636		2374
1637	$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	]
1638	}	2412	}
1639		2413
1640	=item cf::map::unique_maps	2414	=item cf::map::unique_maps
1641		2415
1642	Returns an arrayref of paths of all shared maps that have	2416	Returns an arrayref of paths of all shared maps that have
1643	instantiated unique items. May block.	2417	instantiated unique items. May block.
1644		2418
1645	=cut	2419	=cut
1646		2420
1647	sub unique_maps() {	2421	sub unique_maps() {
1648	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2422	[
1649	or return;	2423	map {
1650
1651	my @paths;
1652
1653	for (@$files) {
1654	utf8::decode $_;	2424	utf8::decode $_;
1655	next if /\.pst$/;	2425	s/\.map$//; # TODO future compatibility hack
1656	next unless /^$PATH_SEP/o;	2426	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1657		2427	? ()
1658	push @paths, cf::map::normalise $_;	2428	: normalise $_
		2429	} @{ aio_readdir $UNIQUEDIR or [] }
1659	}	2430	]
1660
1661	\@paths
1662	}	2431	}
1663		2432
1664	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	}
1665		2464
1666	=back	2465	=back
1667		2466
1668	=head3 cf::object	2467	=head3 cf::object
1669		2468
…		…
1673		2472
1674	=over 4	2473	=over 4
1675		2474
1676	=item $ob->inv_recursive	2475	=item $ob->inv_recursive
1677		2476
1678	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.
1679		2479
1680	=cut	2480	=cut
1681		2481
1682	sub inv_recursive_;	2482	sub inv_recursive_;
1683	sub inv_recursive_ {	2483	sub inv_recursive_ {
…		…
1686		2486
1687	sub inv_recursive {	2487	sub inv_recursive {
1688	inv_recursive_ inv $_[0]	2488	inv_recursive_ inv $_[0]
1689	}	2489	}
1690		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
1691	package cf;	2519	package cf;
1692		2520
1693	=back	2521	=back
1694		2522
1695	=head3 cf::object::player	2523	=head3 cf::object::player
…		…
1701	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>
1702	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
1703	dialogue with the given NPC character.	2531	dialogue with the given NPC character.
1704		2532
1705	=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	};
1706		2548
1707	# rough implementation of a future "reply" method that works	2549	# rough implementation of a future "reply" method that works
1708	# with dialog boxes.	2550	# with dialog boxes.
1709	#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
1710	sub cf::object::player::reply($$$;$) {	2552	sub cf::object::player::reply($$$;$) {
…		…
1712		2554
1713	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2555	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1714		2556
1715	if ($self->{record_replies}) {	2557	if ($self->{record_replies}) {
1716	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2558	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2559
1717	} 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 {
1718	$msg = $npc->name . " says: $msg" if $npc;	2568	$msg = $npc->name . " says: $msg" if $npc;
1719	$self->message ($msg, $flags);	2569	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2570	}
1720	}	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 (@_);
1721	}	2582	}
1722		2583
1723	=item $player_object->may ("access")	2584	=item $player_object->may ("access")
1724		2585
1725	Returns wether the given player is authorized to access resource "access"	2586	Returns wether the given player is authorized to access resource "access"
…		…
1738		2599
1739	=item $player_object->enter_link	2600	=item $player_object->enter_link
1740		2601
1741	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}>).
1742		2603
1743	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.
1744	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.
1745		2608
1746	Will never block.	2609	Will never block.
1747		2610
1748	=item $player_object->leave_link ($map, $x, $y)	2611	=item $player_object->leave_link ($map, $x, $y)
1749		2612
…		…
1769	sub cf::object::player::enter_link {	2632	sub cf::object::player::enter_link {
1770	my ($self) = @_;	2633	my ($self) = @_;
1771		2634
1772	$self->deactivate_recursive;	2635	$self->deactivate_recursive;
1773		2636
		2637	++$self->{_link_recursion};
		2638
1774	return if UNIVERSAL::isa $self->map, "ext::map_link";	2639	return if UNIVERSAL::isa $self->map, "ext::map_link";
1775		2640
1776	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2641	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1777	if $self->map;	2642	if $self->map && $self->map->{path} ne "{link}";
1778		2643
1779	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2644	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1780	}	2645	}
1781		2646
1782	sub cf::object::player::leave_link {	2647	sub cf::object::player::leave_link {
1783	my ($self, $map, $x, $y) = @_;	2648	my ($self, $map, $x, $y) = @_;
		2649
		2650	return unless $self->contr->active;
1784		2651
1785	my $link_pos = delete $self->{_link_pos};	2652	my $link_pos = delete $self->{_link_pos};
1786		2653
1787	unless ($map) {	2654	unless ($map) {
1788	# restore original map position	2655	# restore original map position
…		…
1799	($x, $y) = (-1, -1)	2666	($x, $y) = (-1, -1)
1800	unless (defined $x) && (defined $y);	2667	unless (defined $x) && (defined $y);
1801		2668
1802	# use -1 or undef as default coordinates, not 0, 0	2669	# use -1 or undef as default coordinates, not 0, 0
1803	($x, $y) = ($map->enter_x, $map->enter_y)	2670	($x, $y) = ($map->enter_x, $map->enter_y)
1804	if $x <=0 && $y <= 0;	2671	if $x <= 0 && $y <= 0;
1805		2672
1806	$map->load;	2673	$map->load;
1807	$map->load_diag;	2674	$map->load_neighbours;
1808		2675
1809	return unless $self->contr->active;	2676	return unless $self->contr->active;
1810	$self->activate_recursive;
1811		2677
1812	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2678	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2679	if ($self->enter_map ($map, $x, $y)) {
1814	}	2680	# entering was successful
1815		2681	delete $self->{_link_recursion};
1816	cf::player->attach (	2682	# only activate afterwards, to support waiting in hooks
1817	on_logout => sub {	2683	$self->activate_recursive;
1818	my ($pl) = @_;
1819
1820	# abort map switching before logout
1821	if ($pl->ob->{_link_pos}) {
1822	cf::sync_job {
1823	$pl->ob->leave_link
1824	};
1825	}
1826	},	2684	}
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2685
1830	# try to abort aborted map switching on player login :)	2686	}
1831	# should happen only on crashes
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	$pl->ob->reply (undef,
1836	"There was an internal problem at your last logout, "
1837	. "the server will try to bring you to your intended destination in a second.",
1838	cf::NDI_RED);
1839	# we need this sleep as the login has a concurrent enter_exit running
1840	# and this sleep increases chances of the player not ending up in scorn
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847		2687
1848	=item $player_object->goto ($path, $x, $y)	2688	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1849		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
1850	=cut	2699	=cut
		2700
		2701	our $GOTOGEN;
1851		2702
1852	sub cf::object::player::goto {	2703	sub cf::object::player::goto {
1853	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;
1854		2714
1855	$self->enter_link;	2715	$self->enter_link;
1856		2716
1857	(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
1858	my $map = eval {	2739	my $map = eval {
1859	my $map = cf::map::find $path;	2740	my $map = defined $path ? cf::map::find $path : undef;
		2741
		2742	if ($map) {
1860	$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
1861	$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 $@;
1862	} or	2755	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2756
		2757	if ($gen == $self->{_goto_generation}) {
		2758	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2759	$self->leave_link ($map, $x, $y);
		2760	}
		2761
		2762	$done->($self) if $done;
1866	})->prio (1);	2763	})->prio (1);
1867	}	2764	}
1868		2765
1869	=item $player_object->enter_exit ($exit_object)	2766	=item $player_object->enter_exit ($exit_object)
1870		2767
…		…
1890	}	2787	}
1891		2788
1892	sub prepare_random_map {	2789	sub prepare_random_map {
1893	my ($exit) = @_;	2790	my ($exit) = @_;
1894		2791
1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1896
1897	# all this does is basically replace the /! path by	2792	# all this does is basically replace the /! path by
1898	# a new random map path (?random/...) with a seed	2793	# a new random map path (?random/...) with a seed
1899	# that depends on the exit object	2794	# that depends on the exit object
1900		2795
1901	my $rmp = parse_random_map_params $exit->msg;	2796	my $rmp = parse_random_map_params $exit->msg;
…		…
1903	if ($exit->map) {	2798	if ($exit->map) {
1904	$rmp->{region} = $exit->region->name;	2799	$rmp->{region} = $exit->region->name;
1905	$rmp->{origin_map} = $exit->map->path;	2800	$rmp->{origin_map} = $exit->map->path;
1906	$rmp->{origin_x} = $exit->x;	2801	$rmp->{origin_x} = $exit->x;
1907	$rmp->{origin_y} = $exit->y;	2802	$rmp->{origin_y} = $exit->y;
		2803
		2804	$exit->map->touch;
1908	}	2805	}
1909		2806
1910	$rmp->{random_seed} ||= $exit->random_seed;	2807	$rmp->{random_seed} ||= $exit->random_seed;
1911		2808
1912	my $data = cf::to_json $rmp;	2809	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1913	my $md5 = Digest::MD5::md5_hex $data;	2810	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2811	my $meta = "$RANDOMDIR/$md5.meta";
1915		2812
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2813	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2814	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2815	undef $fh;
1919	aio_rename "$meta~", $meta;	2816	aio_rename "$meta~", $meta;
1920		2817
		2818	my $slaying = "?random/$md5";
		2819
		2820	if ($exit->valid) {
1921	$exit->slaying ("?random/$md5");	2821	$exit->slaying ("?random/$md5");
1922	$exit->msg (undef);	2822	$exit->msg (undef);
		2823	}
1923	}	2824	}
1924	}	2825	}
1925		2826
1926	sub cf::object::player::enter_exit {	2827	sub cf::object::player::enter_exit {
1927	my ($self, $exit) = @_;	2828	my ($self, $exit) = @_;
1928		2829
1929	return unless $self->type == cf::PLAYER;	2830	return unless $self->type == cf::PLAYER;
1930		2831
1931	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job
1933	cf::sync_job { prepare_random_map $exit };
1934	}
1935
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;
1939
1940	$self->enter_link;	2832	$self->enter_link;
1941		2833
1942	(async {	2834	(async {
1943	$self->deactivate_recursive; # just to be sure	2835	$Coro::current->{desc} = "enter_exit";
		2836
1944	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
1945	$self->goto ($slaying, $hp, $sp);	2852	$self->goto ($map, $x, $y);
1946		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
1947	1;	2858	1
1948	}) {	2859	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2860	$self->message ("Something went wrong deep within the deliantra server. "
1950	. "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. "
1951	. "Please report this to the dungeon master!",	2862	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2863	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2864
1954	warn "ERROR in enter_exit: $@";	2865	error "ERROR in enter_exit: $@";
1955	$self->leave_link;	2866	$self->leave_link;
1956	}	2867	}
1957	})->prio (1);	2868	})->prio (1);
1958	}	2869	}
1959		2870
…		…
1970		2881
1971	sub cf::client::send_drawinfo {	2882	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2883	my ($self, $text, $flags) = @_;
1973		2884
1974	utf8::encode $text;	2885	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2886	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2887	}
1977		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	}
1978		3110
1979	=item $success = $client->query ($flags, "text", \&cb)	3111	=item $success = $client->query ($flags, "text", \&cb)
1980		3112
1981	Queues a query to the client, calling the given callback with	3113	Queues a query to the client, calling the given callback with
1982	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>,
1983	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>.
1984		3116
1985	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
1986	reliable at some point in the future.	3118	become reliable at some point in the future.
1987		3119
1988	=cut	3120	=cut
1989		3121
1990	sub cf::client::query {	3122	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	3123	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	3131	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3132	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		3133
2002	$self->send_packet ($self->{query_queue}[0][0])	3134	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	3135	if @{ $self->{query_queue} } == 1;
		3136
		3137	1
2004	}	3138	}
2005		3139
2006	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	},
2007	on_reply => sub {	3146	on_reply => sub {
2008	my ($ns, $msg) = @_;	3147	my ($ns, $msg) = @_;
2009		3148
2010	# this weird shuffling is so that direct followup queries	3149	# this weird shuffling is so that direct followup queries
2011	# get handled first	3150	# get handled first
…		…
2023	} else {	3162	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	3164	}
2026	}	3165	}
2027	},	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	},
2028	);	3193	);
2029		3194
2030	=item $client->async (\&cb)	3195	=item $client->async (\&cb)
2031		3196
2032	Create a new coroutine, running the specified callback. The coroutine will	3197	Create a new coroutine, running the specified callback. The coroutine will
…		…
2048		3213
2049	$coro	3214	$coro
2050	}	3215	}
2051		3216
2052	cf::client->attach (	3217	cf::client->attach (
2053	on_destroy => sub {	3218	on_client_destroy => sub {
2054	my ($ns) = @_;	3219	my ($ns) = @_;
2055		3220
2056	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3221	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2057	},	3222	},
2058	);	3223	);
…		…
2073	our $safe = new Safe "safe";	3238	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	3239	our $safe_hole = new Safe::Hole;
2075		3240
2076	$SIG{FPE} = 'IGNORE';	3241	$SIG{FPE} = 'IGNORE';
2077		3242
2078	$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	));
2079		3248
2080	# here we export the classes and methods available to script code	3249	# here we export the classes and methods available to script code
2081		3250
2082	=pod	3251	=pod
2083		3252
2084	The following fucntions and emthods are available within a safe environment:	3253	The following functions and methods are available within a safe environment:
2085		3254
2086	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
2087	cf::object::player player	3260	cf::object::player
2088	cf::player peaceful	3261	player
2089	cf::map trigger	3262
		3263	cf::player
		3264	peaceful
		3265
		3266	cf::map
		3267	trigger
2090		3268
2091	=cut	3269	=cut
2092		3270
2093	for (	3271	for (
2094	["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)],
2095	["cf::object::player" => qw(player)],	3275	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	3276	["cf::player" => qw(peaceful send_msg)],
2097	["cf::map" => qw(trigger)],	3277	["cf::map" => qw(trigger)],
2098	) {	3278	) {
2099	no strict 'refs';
2100	my ($pkg, @funs) = @$_;	3279	my ($pkg, @funs) = @$_;
2101	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3280	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2102	for @funs;	3281	for @funs;
2103	}	3282	}
2104		3283
…		…
2119		3298
2120	my $qcode = $code;	3299	my $qcode = $code;
2121	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3300	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2122	$qcode =~ s/\n/\\n/g;	3301	$qcode =~ s/\n/\\n/g;
2123		3302
		3303	%vars = (_dummy => 0) unless %vars;
		3304
		3305	my @res;
2124	local $_;	3306	local $_;
2125	local @safe::cf::_safe_eval_args = values %vars;
2126		3307
2127	my $eval =	3308	my $eval =
2128	"do {\n"	3309	"do {\n"
2129	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3310	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2130	. "#line 0 \"{$qcode}\"\n"	3311	. "#line 0 \"{$qcode}\"\n"
2131	. $code	3312	. $code
2132	. "\n}"	3313	. "\n}"
2133	;	3314	;
2134		3315
		3316	if ($CFG{safe_eval}) {
2135	sub_generation_inc;	3317	sub_generation_inc;
		3318	local @safe::cf::_safe_eval_args = values %vars;
2136	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3319	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2137	sub_generation_inc;	3320	sub_generation_inc;
		3321	} else {
		3322	local @cf::_safe_eval_args = values %vars;
		3323	@res = wantarray ? eval eval : scalar eval $eval;
		3324	}
2138		3325
2139	if ($@) {	3326	if ($@) {
2140	warn "$@";	3327	warn "$@",
2141	warn "while executing safe code '$code'\n";	3328	"while executing safe code '$code'\n",
2142	warn "with arguments " . (join " ", %vars) . "\n";	3329	"with arguments " . (join " ", %vars) . "\n";
2143	}	3330	}
2144		3331
2145	wantarray ? @res : $res[0]	3332	wantarray ? @res : $res[0]
2146	}	3333	}
2147		3334
…		…
2161	=cut	3348	=cut
2162		3349
2163	sub register_script_function {	3350	sub register_script_function {
2164	my ($fun, $cb) = @_;	3351	my ($fun, $cb) = @_;
2165		3352
2166	no strict 'refs';	3353	$fun = "safe::$fun" if $CFG{safe_eval};
2167	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3354	*$fun = $safe_hole->wrap ($cb);
2168	}	3355	}
2169		3356
2170	=back	3357	=back
2171		3358
2172	=cut	3359	=cut
2173
2174	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.
2184
2185	=over 4
2186
2187	=item $value = cf::db_get $family => $key
2188
2189	Returns a single value from the database.
2190
2191	=item cf::db_put $family => $key => $value
2192
2193	Stores the given C<$value> in the family.
2194
2195	=cut
2196
2197	our $DB;
2198
2199	sub db_init {
2200	unless ($DB) {
2201	$DB = BDB::db_create $DB_ENV;
2202
2203	cf::sync_job {
2204	eval {
2205	$DB->set_flags (BDB::CHKSUM);
2206
2207	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2208	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2209	cf::cleanup "db_open(db): $!" if $!;
2210	};
2211	cf::cleanup "db_open(db): $@" if $@;
2212	};
2213
2214	my $path = cf::localdir . "/database.pst";
2215	if (stat $path) {
2216	cf::sync_job {
2217	my $pst = Storable::retrieve $path;
2218
2219	cf::db_put (board => data => $pst->{board});
2220	cf::db_put (guildrules => data => $pst->{guildrules});
2221	cf::db_put (rent => balance => $pst->{rent}{balance});
2222	BDB::db_env_txn_checkpoint $DB_ENV;
2223
2224	unlink $path;
2225	};
2226	}
2227	}
2228	}
2229
2230	sub db_get($$) {
2231	my $key = "$_[0]/$_[1]";
2232
2233	cf::sync_job {
2234	BDB::db_get $DB, undef, $key, my $data;
2235
2236	$! ? ()
2237	: Compress::LZF::sthaw $data
2238	}
2239	}
2240
2241	sub db_put($$$) {
2242	BDB::dbreq_pri 4;
2243	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2244	}
2245		3360
2246	#############################################################################	3361	#############################################################################
2247	# the server's init and main functions	3362	# the server's init and main functions
2248		3363
2249	sub init_resources {	3364	sub load_facedata($) {
2250	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3365	my ($path) = @_;
		3366
		3367	# HACK to clear player env face cache, we need some signal framework
		3368	# for this (global event?)
		3369	%ext::player_env::MUSIC_FACE_CACHE = ();
		3370
		3371	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3372
		3373	trace "loading facedata from $path\n";
		3374
		3375	my $facedata;
		3376	0 < aio_load $path, $facedata
		3377	or die "$path: $!";
		3378
		3379	$facedata = Coro::Storable::thaw $facedata;
		3380
		3381	$facedata->{version} == 2
		3382	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3383
		3384	# patch in the exptable
		3385	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3386	$facedata->{resource}{"res/exp_table"} = {
		3387	type => FT_RSRC,
		3388	data => $exp_table,
		3389	hash => (Digest::MD5::md5 $exp_table),
		3390	};
		3391	cf::cede_to_tick;
		3392
		3393	{
		3394	my $faces = $facedata->{faceinfo};
		3395
		3396	while (my ($face, $info) = each %$faces) {
		3397	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3398
		3399	cf::face::set_visibility $idx, $info->{visibility};
		3400	cf::face::set_magicmap $idx, $info->{magicmap};
		3401	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3402	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3403
		3404	cf::cede_to_tick;
		3405	}
		3406
		3407	while (my ($face, $info) = each %$faces) {
		3408	next unless $info->{smooth};
		3409
		3410	my $idx = cf::face::find $face
		3411	or next;
		3412
		3413	if (my $smooth = cf::face::find $info->{smooth}) {
		3414	cf::face::set_smooth $idx, $smooth;
		3415	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3416	} else {
		3417	error "smooth face '$info->{smooth}' not found for face '$face'";
		3418	}
		3419
		3420	cf::cede_to_tick;
		3421	}
		3422	}
		3423
		3424	{
		3425	my $anims = $facedata->{animinfo};
		3426
		3427	while (my ($anim, $info) = each %$anims) {
		3428	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3429	cf::cede_to_tick;
		3430	}
		3431
		3432	cf::anim::invalidate_all; # d'oh
		3433	}
		3434
		3435	{
		3436	my $res = $facedata->{resource};
		3437
		3438	while (my ($name, $info) = each %$res) {
		3439	if (defined $info->{type}) {
		3440	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3441
		3442	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3443	cf::face::set_type $idx, $info->{type};
		3444	} else {
		3445	$RESOURCE{$name} = $info; # unused
		3446	}
		3447
		3448	cf::cede_to_tick;
		3449	}
		3450	}
		3451
		3452	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3453
		3454	1
		3455	}
		3456
		3457	register_exticmd fx_want => sub {
		3458	my ($ns, $want) = @_;
		3459
		3460	while (my ($k, $v) = each %$want) {
		3461	$ns->fx_want ($k, $v);
		3462	}
		3463	};
		3464
		3465	sub load_resource_file($) {
		3466	my $guard = lock_acquire "load_resource_file";
		3467
		3468	my $status = load_resource_file_ $_[0];
		3469	get_slot 0.1, 100;
		3470	cf::arch::commit_load;
		3471
		3472	$status
		3473	}
		3474
		3475	sub reload_regions {
		3476	# HACK to clear player env face cache, we need some signal framework
		3477	# for this (global event?)
		3478	%ext::player_env::MUSIC_FACE_CACHE = ();
		3479
		3480	load_resource_file "$MAPDIR/regions"
2251	or die "unable to load regions file\n";#d#	3481	or die "unable to load regions file\n";
2252	}
2253		3482
2254	sub cfg_load {	3483	for (cf::region::list) {
		3484	$_->{match} = qr/$_->{match}/
		3485	if exists $_->{match};
		3486	}
		3487	}
		3488
		3489	sub reload_facedata {
		3490	load_facedata "$DATADIR/facedata"
		3491	or die "unable to load facedata\n";
		3492	}
		3493
		3494	sub reload_archetypes {
		3495	load_resource_file "$DATADIR/archetypes"
		3496	or die "unable to load archetypes\n";
		3497	}
		3498
		3499	sub reload_treasures {
		3500	load_resource_file "$DATADIR/treasures"
		3501	or die "unable to load treasurelists\n";
		3502	}
		3503
		3504	sub reload_exp {
		3505	cf::init_experience;
		3506	}
		3507
		3508	sub reload_sound {
		3509	trace "loading sound config from $DATADIR/sound\n";
		3510
		3511	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3512	or die "$DATADIR/sound $!";
		3513
		3514	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3515
		3516	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3517	my $sound = $soundconf->{compat}[$_]
		3518	or next;
		3519
		3520	my $face = cf::face::find "sound/$sound->[1]";
		3521	cf::sound::set $sound->[0] => $face;
		3522	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3523	}
		3524
		3525	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3526	my $face = cf::face::find "sound/$v";
		3527	cf::sound::set $k => $face;
		3528	}
		3529	}
		3530
		3531	sub reload_resources {
		3532	trace "reloading resource files...\n";
		3533
		3534	reload_exp;
		3535	reload_facedata;
		3536	reload_sound;
		3537	reload_archetypes;
		3538	reload_regions;
		3539	reload_treasures;
		3540
		3541	trace "finished reloading resource files\n";
		3542	}
		3543
		3544	sub reload_config {
		3545	trace "reloading config file...\n";
		3546
2255	open my $fh, "<:utf8", cf::confdir . "/config"	3547	open my $fh, "<:utf8", "$CONFDIR/config"
2256	or return;	3548	or return;
2257		3549
2258	local $/;	3550	local $/;
2259	*CFG = YAML::Syck::Load <$fh>;	3551	*CFG = YAML::XS::Load scalar <$fh>;
2260		3552
2261	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3553	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2262		3554
2263	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3555	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2264	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3556	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2265		3557
2266	if (exists $CFG{mlockall}) {	3558	if (exists $CFG{mlockall}) {
…		…
2268	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3560	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2269	and die "WARNING: m(un)lockall failed: $!\n";	3561	and die "WARNING: m(un)lockall failed: $!\n";
2270	};	3562	};
2271	warn $@ if $@;	3563	warn $@ if $@;
2272	}	3564	}
2273	}
2274		3565
2275	sub init {	3566	trace "finished reloading resource files\n";
2276	init_resources;	3567	}
		3568
		3569	sub pidfile() {
		3570	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3571	or die "$PIDFILE: $!";
		3572	flock $fh, &Fcntl::LOCK_EX
		3573	or die "$PIDFILE: flock: $!";
		3574	$fh
		3575	}
		3576
		3577	# make sure only one server instance is running at any one time
		3578	sub atomic {
		3579	my $fh = pidfile;
		3580
		3581	my $pid = <$fh>;
		3582	kill 9, $pid if $pid > 0;
		3583
		3584	seek $fh, 0, 0;
		3585	print $fh $$;
		3586	}
		3587
		3588	sub main_loop {
		3589	trace "EV::loop starting\n";
		3590	if (1) {
		3591	EV::loop;
		3592	}
		3593	trace "EV::loop returned\n";
		3594	goto &main_loop unless $REALLY_UNLOOP;
2277	}	3595	}
2278		3596
2279	sub main {	3597	sub main {
		3598	cf::init_globals; # initialise logging
		3599
		3600	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3601	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3602	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3603	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3604
		3605	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3606
2280	# we must not ever block the main coroutine	3607	# we must not ever block the main coroutine
2281	local $Coro::idle = sub {	3608	local $Coro::idle = sub {
2282	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3609	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2283	(async {	3610	(async {
2284	Event::one_event;	3611	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3612	EV::loop EV::LOOP_ONESHOT;
2285	})->prio (Coro::PRIO_MAX);	3613	})->prio (Coro::PRIO_MAX);
2286	};	3614	};
2287		3615
2288	cfg_load;	3616	evthread_start IO::AIO::poll_fileno;
		3617
		3618	cf::sync_job {
		3619	cf::incloader::init ();
		3620
		3621	cf::init_anim;
		3622	cf::init_attackmess;
		3623	cf::init_dynamic;
		3624
		3625	cf::load_settings;
		3626	cf::load_materials;
		3627
		3628	reload_resources;
		3629	reload_config;
2289	db_init;	3630	db_init;
		3631
		3632	cf::init_uuid;
		3633	cf::init_signals;
		3634	cf::init_skills;
		3635
		3636	cf::init_beforeplay;
		3637
		3638	atomic;
		3639
2290	load_extensions;	3640	load_extensions;
2291		3641
2292	$TICK_WATCHER->start;	3642	utime time, time, $RUNTIMEFILE;
2293	Event::loop;	3643
		3644	# no (long-running) fork's whatsoever before this point(!)
		3645	use POSIX ();
		3646	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3647
		3648	(pop @POST_INIT)->(0) while @POST_INIT;
		3649	};
		3650
		3651	cf::object::thawer::errors_are_fatal 0;
		3652	info "parse errors in files are no longer fatal from this point on.\n";
		3653
		3654	my $free_main; $free_main = EV::idle sub {
		3655	undef $free_main;
		3656	undef &main; # free gobs of memory :)
		3657	};
		3658
		3659	goto &main_loop;
2294	}	3660	}
2295		3661
2296	#############################################################################	3662	#############################################################################
2297	# initialisation and cleanup	3663	# initialisation and cleanup
2298		3664
2299	# install some emergency cleanup handlers	3665	# install some emergency cleanup handlers
2300	BEGIN {	3666	BEGIN {
		3667	our %SIGWATCHER = ();
2301	for my $signal (qw(INT HUP TERM)) {	3668	for my $signal (qw(INT HUP TERM)) {
2302	Event->signal (	3669	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2303	reentrant => 0,
2304	data => WF_AUTOCANCEL,
2305	signal => $signal,
2306	prio => 0,
2307	cb => sub {
2308	cf::cleanup "SIG$signal";	3670	cf::cleanup "SIG$signal";
2309	},
2310	);	3671	};
		3672	}
		3673	}
		3674
		3675	sub write_runtime_sync {
		3676	my $t0 = AE::time;
		3677
		3678	# first touch the runtime file to show we are still running:
		3679	# the fsync below can take a very very long time.
		3680
		3681	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3682
		3683	my $guard = cf::lock_acquire "write_runtime";
		3684
		3685	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3686	or return;
		3687
		3688	my $value = $cf::RUNTIME + 90 + 10;
		3689	# 10 is the runtime save interval, for a monotonic clock
		3690	# 60 allows for the watchdog to kill the server.
		3691
		3692	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3693	and return;
		3694
		3695	# always fsync - this file is important
		3696	aio_fsync $fh
		3697	and return;
		3698
		3699	# touch it again to show we are up-to-date
		3700	aio_utime $fh, undef, undef;
		3701
		3702	close $fh
		3703	or return;
		3704
		3705	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3706	and return;
		3707
		3708	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3709
2311	}	3710	1
		3711	}
		3712
		3713	our $uuid_lock;
		3714	our $uuid_skip;
		3715
		3716	sub write_uuid_sync($) {
		3717	$uuid_skip ||= $_[0];
		3718
		3719	return if $uuid_lock;
		3720	local $uuid_lock = 1;
		3721
		3722	my $uuid = "$LOCALDIR/uuid";
		3723
		3724	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3725	or return;
		3726
		3727	my $value = uuid_seq uuid_cur;
		3728
		3729	unless ($value) {
		3730	info "cowardly refusing to write zero uuid value!\n";
		3731	return;
		3732	}
		3733
		3734	my $value = uuid_str $value + $uuid_skip;
		3735	$uuid_skip = 0;
		3736
		3737	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3738	and return;
		3739
		3740	# always fsync - this file is important
		3741	aio_fsync $fh
		3742	and return;
		3743
		3744	close $fh
		3745	or return;
		3746
		3747	aio_rename "$uuid~", $uuid
		3748	and return;
		3749
		3750	trace "uuid file written ($value).\n";
		3751
		3752	1
		3753
		3754	}
		3755
		3756	sub write_uuid($$) {
		3757	my ($skip, $sync) = @_;
		3758
		3759	$sync ? write_uuid_sync $skip
		3760	: async { write_uuid_sync $skip };
2312	}	3761	}
2313		3762
2314	sub emergency_save() {	3763	sub emergency_save() {
2315	my $freeze_guard = cf::freeze_mainloop;	3764	my $freeze_guard = cf::freeze_mainloop;
2316		3765
2317	warn "enter emergency perl save\n";	3766	info "emergency_perl_save: enter\n";
		3767
		3768	# this is a trade-off: we want to be very quick here, so
		3769	# save all maps without fsync, and later call a global sync
		3770	# (which in turn might be very very slow)
		3771	local $USE_FSYNC = 0;
2318		3772
2319	cf::sync_job {	3773	cf::sync_job {
		3774	cf::write_runtime_sync; # external watchdog should not bark
		3775
2320	# use a peculiar iteration method to avoid tripping on perl	3776	# use a peculiar iteration method to avoid tripping on perl
2321	# refcount bugs in for. also avoids problems with players	3777	# refcount bugs in for. also avoids problems with players
2322	# and maps saved/destroyed asynchronously.	3778	# and maps saved/destroyed asynchronously.
2323	warn "begin emergency player save\n";	3779	info "emergency_perl_save: begin player save\n";
2324	for my $login (keys %cf::PLAYER) {	3780	for my $login (keys %cf::PLAYER) {
2325	my $pl = $cf::PLAYER{$login} or next;	3781	my $pl = $cf::PLAYER{$login} or next;
2326	$pl->valid or next;	3782	$pl->valid or next;
		3783	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2327	$pl->save;	3784	$pl->save;
2328	}	3785	}
2329	warn "end emergency player save\n";	3786	info "emergency_perl_save: end player save\n";
2330		3787
2331	warn "begin emergency map save\n";	3788	cf::write_runtime_sync; # external watchdog should not bark
		3789
		3790	info "emergency_perl_save: begin map save\n";
2332	for my $path (keys %cf::MAP) {	3791	for my $path (keys %cf::MAP) {
2333	my $map = $cf::MAP{$path} or next;	3792	my $map = $cf::MAP{$path} or next;
2334	$map->valid or next;	3793	$map->valid or next;
2335	$map->save;	3794	$map->save;
2336	}	3795	}
2337	warn "end emergency map save\n";	3796	info "emergency_perl_save: end map save\n";
2338		3797
2339	warn "begin emergency database checkpoint\n";	3798	cf::write_runtime_sync; # external watchdog should not bark
		3799
		3800	info "emergency_perl_save: begin database checkpoint\n";
2340	BDB::db_env_txn_checkpoint $DB_ENV;	3801	BDB::db_env_txn_checkpoint $DB_ENV;
2341	warn "end emergency database checkpoint\n";	3802	info "emergency_perl_save: end database checkpoint\n";
		3803
		3804	info "emergency_perl_save: begin write uuid\n";
		3805	write_uuid_sync 1;
		3806	info "emergency_perl_save: end write uuid\n";
		3807
		3808	cf::write_runtime_sync; # external watchdog should not bark
		3809
		3810	trace "emergency_perl_save: syncing database to disk";
		3811	BDB::db_env_txn_checkpoint $DB_ENV;
		3812
		3813	info "emergency_perl_save: starting sync\n";
		3814	IO::AIO::aio_sync sub {
		3815	info "emergency_perl_save: finished sync\n";
		3816	};
		3817
		3818	cf::write_runtime_sync; # external watchdog should not bark
		3819
		3820	trace "emergency_perl_save: flushing outstanding aio requests";
		3821	while (IO::AIO::nreqs || BDB::nreqs) {
		3822	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3823	}
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
2342	};	3826	};
2343		3827
2344	warn "leave emergency perl save\n";	3828	info "emergency_perl_save: leave\n";
2345	}	3829	}
2346		3830
2347	sub post_cleanup {	3831	sub post_cleanup {
2348	my ($make_core) = @_;	3832	my ($make_core) = @_;
2349		3833
		3834	IO::AIO::flush;
		3835
2350	warn Carp::longmess "post_cleanup backtrace"	3836	error Carp::longmess "post_cleanup backtrace"
2351	if $make_core;	3837	if $make_core;
2352	}
2353		3838
		3839	my $fh = pidfile;
		3840	unlink $PIDFILE if <$fh> == $$;
		3841	}
		3842
		3843	# a safer delete_package, copied from Symbol
		3844	sub clear_package($) {
		3845	my $pkg = shift;
		3846
		3847	# expand to full symbol table name if needed
		3848	unless ($pkg =~ /^main::.*::$/) {
		3849	$pkg = "main$pkg" if $pkg =~ /^::/;
		3850	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3851	$pkg .= '::' unless $pkg =~ /::$/;
		3852	}
		3853
		3854	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3855	my $stem_symtab = *{$stem}{HASH};
		3856
		3857	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3858	or return;
		3859
		3860	# clear all symbols
		3861	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3862	for my $name (keys %$leaf_symtab) {
		3863	_gv_clear *{"$pkg$name"};
		3864	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3865	}
		3866	}
		3867
2354	sub reload() {	3868	sub do_reload_perl() {
2355	# can/must only be called in main	3869	# can/must only be called in main
2356	if ($Coro::current != $Coro::main) {	3870	unless (in_main) {
2357	warn "can only reload from main coroutine";	3871	error "can only reload from main coroutine";
2358	return;	3872	return;
2359	}	3873	}
2360		3874
		3875	return if $RELOAD++;
		3876
		3877	my $t1 = AE::time;
		3878
		3879	while ($RELOAD) {
		3880	cf::get_slot 0.1, -1, "reload_perl";
2361	warn "reloading...";	3881	info "reloading...";
2362		3882
2363	warn "entering sync_job";	3883	trace "entering sync_job";
2364		3884
2365	cf::sync_job {	3885	cf::sync_job {
2366	cf::write_runtime; # external watchdog should not bark
2367	cf::emergency_save;	3886	#cf::emergency_save;
2368	cf::write_runtime; # external watchdog should not bark
2369		3887
2370	warn "syncing database to disk";
2371	BDB::db_env_txn_checkpoint $DB_ENV;
2372
2373	# if anything goes wrong in here, we should simply crash as we already saved
2374
2375	warn "cancelling all WF_AUTOCANCEL watchers";
2376	for (Event::all_watchers) {
2377	$_->cancel if $_->data & WF_AUTOCANCEL;
2378	}
2379
2380	warn "flushing outstanding aio requests";
2381	for (;;) {
2382	BDB::flush;
2383	IO::AIO::flush;
2384	Coro::cede;
2385	last unless IO::AIO::nreqs || BDB::nreqs;
2386	warn "iterate...";
2387	}
2388
2389	warn "cancelling all extension coros";	3888	trace "cancelling all extension coros";
2390	$_->cancel for values %EXT_CORO;	3889	$_->cancel for values %EXT_CORO;
2391	%EXT_CORO = ();	3890	%EXT_CORO = ();
2392		3891
2393	warn "removing commands";	3892	trace "removing commands";
2394	%COMMAND = ();	3893	%COMMAND = ();
2395		3894
2396	warn "removing ext commands";	3895	trace "removing ext/exti commands";
2397	%EXTCMD = ();	3896	%EXTCMD = ();
		3897	%EXTICMD = ();
2398		3898
2399	warn "unloading/nuking all extensions";	3899	trace "unloading/nuking all extensions";
2400	for my $pkg (@EXTS) {	3900	for my $pkg (@EXTS) {
2401	warn "... unloading $pkg";	3901	trace "... unloading $pkg";
2402		3902
2403	if (my $cb = $pkg->can ("unload")) {	3903	if (my $cb = $pkg->can ("unload")) {
2404	eval {	3904	eval {
2405	$cb->($pkg);	3905	$cb->($pkg);
2406	1	3906	1
2407	} or warn "$pkg unloaded, but with errors: $@";	3907	} or error "$pkg unloaded, but with errors: $@";
		3908	}
		3909
		3910	trace "... clearing $pkg";
		3911	clear_package $pkg;
2408	}	3912	}
2409		3913
2410	warn "... nuking $pkg";
2411	Symbol::delete_package $pkg;
2412	}
2413
2414	warn "unloading all perl modules loaded from $LIBDIR";	3914	trace "unloading all perl modules loaded from $LIBDIR";
2415	while (my ($k, $v) = each %INC) {	3915	while (my ($k, $v) = each %INC) {
2416	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3916	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2417		3917
2418	warn "... unloading $k";	3918	trace "... unloading $k";
2419	delete $INC{$k};	3919	delete $INC{$k};
2420		3920
2421	$k =~ s/\.pm$//;	3921	$k =~ s/\.pm$//;
2422	$k =~ s/\//::/g;	3922	$k =~ s/\//::/g;
2423		3923
2424	if (my $cb = $k->can ("unload_module")) {	3924	if (my $cb = $k->can ("unload_module")) {
2425	$cb->();	3925	$cb->();
		3926	}
		3927
		3928	clear_package $k;
2426	}	3929	}
2427		3930
2428	Symbol::delete_package $k;
2429	}
2430
2431	warn "getting rid of safe::, as good as possible";	3931	trace "getting rid of safe::, as good as possible";
2432	Symbol::delete_package "safe::$_"	3932	clear_package "safe::$_"
2433	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3933	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2434		3934
2435	warn "unloading cf.pm \"a bit\"";	3935	trace "unloading cf.pm \"a bit\"";
2436	delete $INC{"cf.pm"};	3936	delete $INC{"cf.pm"};
		3937	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2437		3938
2438	# don't, removes xs symbols, too,	3939	# don't, removes xs symbols, too,
2439	# and global variables created in xs	3940	# and global variables created in xs
2440	#Symbol::delete_package __PACKAGE__;	3941	#clear_package __PACKAGE__;
2441		3942
2442	warn "unload completed, starting to reload now";	3943	info "unload completed, starting to reload now";
2443		3944
2444	warn "reloading cf.pm";	3945	trace "reloading cf.pm";
2445	require cf;	3946	require cf;
2446	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3947	cf::_connect_to_perl_1;
2447		3948
2448	warn "loading config and database again";	3949	trace "loading config and database again";
2449	cf::cfg_load;	3950	cf::reload_config;
2450		3951
2451	warn "loading extensions";	3952	trace "loading extensions";
2452	cf::load_extensions;	3953	cf::load_extensions;
2453		3954
		3955	if ($REATTACH_ON_RELOAD) {
2454	warn "reattaching attachments to objects/players";	3956	trace "reattaching attachments to objects/players";
2455	_global_reattach;	3957	_global_reattach; # objects, sockets
2456	warn "reattaching attachments to maps";	3958	trace "reattaching attachments to maps";
2457	reattach $_ for values %MAP;	3959	reattach $_ for values %MAP;
		3960	trace "reattaching attachments to players";
		3961	reattach $_ for values %PLAYER;
		3962	}
2458		3963
2459	warn "loading reloadable resources";	3964	trace "running post_init jobs";
2460	init_resources;	3965	(pop @POST_INIT)->(1) while @POST_INIT;
2461		3966
2462	warn "leaving sync_job";	3967	trace "leaving sync_job";
2463		3968
2464	1	3969	1
2465	} or do {	3970	} or do {
2466	warn $@;	3971	error $@;
2467	warn "error while reloading, exiting.";	3972	cf::cleanup "error while reloading, exiting.";
2468	exit 1;	3973	};
		3974
		3975	info "reloaded";
		3976	--$RELOAD;
		3977	}
		3978
		3979	$t1 = AE::time - $t1;
		3980	info "reload completed in ${t1}s\n";
		3981	};
		3982
		3983	our $RELOAD_WATCHER; # used only during reload
		3984
		3985	sub reload_perl() {
		3986	# doing reload synchronously and two reloads happen back-to-back,
		3987	# coro crashes during coro_state_free->destroy here.
		3988
		3989	$RELOAD_WATCHER ||= cf::async {
		3990	Coro::AIO::aio_wait cache_extensions;
		3991
		3992	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3993	do_reload_perl;
		3994	undef $RELOAD_WATCHER;
		3995	};
2469	};	3996	};
2470		3997	}
2471	warn "reloaded";
2472	};
2473
2474	our $RELOAD_WATCHER; # used only during reload
2475		3998
2476	register_command "reload" => sub {	3999	register_command "reload" => sub {
2477	my ($who, $arg) = @_;	4000	my ($who, $arg) = @_;
2478		4001
2479	if ($who->flag (FLAG_WIZ)) {	4002	if ($who->flag (FLAG_WIZ)) {
2480	$who->message ("reloading server.");	4003	$who->message ("reloading server.");
2481		4004	async {
2482	# doing reload synchronously and two reloads happen back-to-back,	4005	$Coro::current->{desc} = "perl_reload";
2483	# coro crashes during coro_state_free->destroy here.
2484
2485	$RELOAD_WATCHER ||= Event->timer (
2486	reentrant => 0,
2487	after => 0,
2488	data => WF_AUTOCANCEL,
2489	cb => sub {
2490	reload;	4006	reload_perl;
2491	undef $RELOAD_WATCHER;
2492	},
2493	);	4007	};
2494	}	4008	}
2495	};	4009	};
2496		4010
2497	unshift @INC, $LIBDIR;	4011	#############################################################################
2498		4012
2499	my $bug_warning = 0;	4013	my $bug_warning = 0;
2500		4014
2501	$TICK_WATCHER = Event->timer (	4015	our @WAIT_FOR_TICK;
2502	reentrant => 0,	4016	our @WAIT_FOR_TICK_BEGIN;
2503	parked => 1,	4017
2504	prio => 0,	4018	sub wait_for_tick {
2505	at => $NEXT_TICK || $TICK,	4019	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2506	data => WF_AUTOCANCEL,	4020
2507	cb => sub {	4021	my $signal = new Coro::Signal;
		4022	push @WAIT_FOR_TICK, $signal;
		4023	$signal->wait;
		4024	}
		4025
		4026	sub wait_for_tick_begin {
		4027	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4028
		4029	my $signal = new Coro::Signal;
		4030	push @WAIT_FOR_TICK_BEGIN, $signal;
		4031	$signal->wait;
		4032	}
		4033
		4034	sub tick {
2508	if ($Coro::current != $Coro::main) {	4035	if ($Coro::current != $Coro::main) {
2509	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4036	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2510	unless ++$bug_warning > 10;	4037	unless ++$bug_warning > 10;
2511	return;	4038	return;
2512	}	4039	}
2513		4040
2514	$NOW = Event::time;
2515
2516	cf::server_tick; # one server iteration	4041	cf::server_tick; # one server iteration
2517	$RUNTIME += $TICK;
2518	$NEXT_TICK += $TICK;
2519		4042
		4043	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4044
2520	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4045	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2521	$NEXT_RUNTIME_WRITE = $NOW + 10;	4046	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2522	Coro::async_pool {	4047	Coro::async_pool {
		4048	$Coro::current->{desc} = "runtime saver";
2523	write_runtime	4049	write_runtime_sync
2524	or warn "ERROR: unable to write runtime file: $!";	4050	or error "ERROR: unable to write runtime file: $!";
2525	};
2526	}	4051	};
2527
2528	$WAIT_FOR_TICK->broadcast;
2529	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2530
2531	# my $AFTER = Event::time;
2532	# warn $AFTER - $NOW;#d#
2533
2534	# if we are delayed by four ticks or more, skip them all
2535	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2536
2537	$TICK_WATCHER->at ($NEXT_TICK);
2538	$TICK_WATCHER->start;
2539	},	4052	}
2540	);	4053
		4054	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4055	$sig->send;
		4056	}
		4057	while (my $sig = shift @WAIT_FOR_TICK) {
		4058	$sig->send;
		4059	}
		4060
		4061	$LOAD = ($NOW - $TICK_START) / $TICK;
		4062	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4063
		4064	if (0) {
		4065	if ($NEXT_TICK) {
		4066	my $jitter = $TICK_START - $NEXT_TICK;
		4067	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4068	debug "jitter $JITTER\n";#d#
		4069	}
		4070	}
		4071	}
2541		4072
2542	{	4073	{
2543	BDB::max_poll_time $TICK * 0.1;	4074	# configure BDB
2544	$BDB_POLL_WATCHER = Event->io (	4075
2545	reentrant => 0,
2546	fd => BDB::poll_fileno,
2547	poll => 'r',
2548	prio => 0,
2549	data => WF_AUTOCANCEL,
2550	cb => \&BDB::poll_cb,
2551	);
2552	BDB::min_parallel 8;	4076	BDB::min_parallel 16;
2553		4077	BDB::max_poll_reqs $TICK * 0.1;
2554	BDB::set_sync_prepare {	4078	$AnyEvent::BDB::WATCHER->priority (1);
2555	my $status;
2556	my $current = $Coro::current;
2557	(
2558	sub {
2559	$status = $!;
2560	$current->ready; undef $current;
2561	},
2562	sub {
2563	Coro::schedule while defined $current;
2564	$! = $status;
2565	},
2566	)
2567	};
2568		4079
2569	unless ($DB_ENV) {	4080	unless ($DB_ENV) {
2570	$DB_ENV = BDB::db_env_create;	4081	$DB_ENV = BDB::db_env_create;
		4082	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4083	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4084	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4085	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4086	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2571		4087
2572	cf::sync_job {	4088	cf::sync_job {
2573	eval {	4089	eval {
2574	BDB::db_env_open	4090	BDB::db_env_open
2575	$DB_ENV,	4091	$DB_ENV,
2576	$BDB_ENV_DIR,	4092	$BDBDIR,
2577	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4093	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2578	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4094	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2579	0666;	4095	0666;
2580		4096
2581	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4097	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2582
2583	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2584	$DB_ENV->set_lk_detect;
2585	};	4098	};
2586		4099
2587	cf::cleanup "db_env_open(db): $@" if $@;	4100	cf::cleanup "db_env_open(db): $@" if $@;
2588	};	4101	};
2589	}	4102	}
		4103
		4104	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4105	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4106	};
		4107	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4108	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4109	};
		4110	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4111	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4112	};
2590	}	4113	}
2591		4114
2592	{	4115	{
		4116	# configure IO::AIO
		4117
2593	IO::AIO::min_parallel 8;	4118	IO::AIO::min_parallel 8;
2594
2595	undef $Coro::AIO::WATCHER;
2596	IO::AIO::max_poll_time $TICK * 0.1;	4119	IO::AIO::max_poll_time $TICK * 0.1;
2597	$AIO_POLL_WATCHER = Event->io (	4120	undef $AnyEvent::AIO::WATCHER;
2598	reentrant => 0,
2599	data => WF_AUTOCANCEL,
2600	fd => IO::AIO::poll_fileno,
2601	poll => 'r',
2602	prio => 6,
2603	cb => \&IO::AIO::poll_cb,
2604	);
2605	}	4121	}
		4122
		4123	my $_log_backtrace;
		4124
		4125	sub _log_backtrace {
		4126	my ($msg, @addr) = @_;
		4127
		4128	$msg =~ s/\n//;
		4129
		4130	# limit the # of concurrent backtraces
		4131	if ($_log_backtrace < 2) {
		4132	++$_log_backtrace;
		4133	my $perl_bt = Carp::longmess $msg;
		4134	async {
		4135	$Coro::current->{desc} = "abt $msg";
		4136
		4137	my @bt = fork_call {
		4138	@addr = map { sprintf "%x", $_ } @addr;
		4139	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4140	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4141	or die "addr2line: $!";
		4142
		4143	my @funcs;
		4144	my @res = <$fh>;
		4145	chomp for @res;
		4146	while (@res) {
		4147	my ($func, $line) = splice @res, 0, 2, ();
		4148	push @funcs, "[$func] $line";
		4149	}
		4150
		4151	@funcs
		4152	};
		4153
		4154	LOG llevInfo, "[ABT] $perl_bt\n";
		4155	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4156	LOG llevInfo, "[ABT] $_\n" for @bt;
		4157	--$_log_backtrace;
		4158	};
		4159	} else {
		4160	LOG llevInfo, "[ABT] $msg\n";
		4161	LOG llevInfo, "[ABT] [suppressed]\n";
		4162	}
		4163	}
		4164
		4165	# load additional modules
		4166	require "cf/$_.pm" for @EXTRA_MODULES;
		4167	cf::_connect_to_perl_2;
2606		4168
2607	END { cf::emergency_save }	4169	END { cf::emergency_save }
2608		4170
2609	1	4171	1
2610		4172

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