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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.157 by root, Wed Jan 10 01:16:54 2007 UTC vs.
Revision 1.456 by root, Tue Sep 30 04:00:35 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
13	use Coro 3.3 ();	37	use Coro ();
		38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
14	use Coro::Event;	41	use Coro::AnyEvent;
15	use Coro::Timer;	42	use Coro::Timer;
16	use Coro::Signal;	43	use Coro::Signal;
17	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
18	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
		48	use Coro::Storable;
		49	use Coro::Util ();
19		50
		51	use JSON::XS 2.01 ();
		52	use BDB ();
20	use Data::Dumper;	53	use Data::Dumper;
21	use Digest::MD5;	54	use Digest::MD5;
22	use Fcntl;	55	use Fcntl;
		56	use YAML ();
23	use IO::AIO 2.32 ();	57	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	58	use Time::HiRes;
		59	use Compress::LZF;
		60	use Digest::MD5 ();
26		61
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	62	AnyEvent::detect;
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
		67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
28		74
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		76
36	our %COMMAND = ();	77	our %COMMAND = ();
37	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
		79
		80	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
		83	our %EXT_CORO = (); # coroutines bound to extensions
		84	our %EXT_MAP = (); # pluggable maps
39		85
		86	our $RELOAD; # number of reloads so far, non-zero while in reload
40	our @EVENT;	87	our @EVENT;
41	our $LIBDIR = datadir . "/ext";
42		88
43	our $TICK = MAX_TIME * 1e-6;	89	our $CONFDIR = confdir;
44	our $TICK_WATCHER;	90	our $DATADIR = datadir;
		91	our $LIBDIR = "$DATADIR/ext";
		92	our $PODDIR = "$DATADIR/pod";
		93	our $MAPDIR = "$DATADIR/" . mapdir;
		94	our $LOCALDIR = localdir;
		95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		98	our $RANDOMDIR = "$LOCALDIR/random";
		99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
		104
		105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	107	our $NEXT_TICK;
46	our $NOW;	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
		112	our $BDB_TRICKLE_WATCHER;
		113	our $DB_ENV;
47		114
48	our %CFG;	115	our %CFG;
49		116
50	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
52		120
53	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
54	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
55	our $LINK_MAP; # the special {link} map	123	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions
58		124
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	125	# used to convert map paths into valid unix filenames by replacing / by ∕
60	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		127
		128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
		131	our $TICK_START; # for load detecting purposes
		132
		133	our @POST_INIT;
61		134
62	binmode STDOUT;	135	binmode STDOUT;
63	binmode STDERR;	136	binmode STDERR;
64		137
65	# read virtual server time, if available	138	# read virtual server time, if available
66	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	139	unless ($RUNTIME || !-e $RUNTIMEFILE) {
67	open my $fh, "<", cf::localdir . "/runtime"	140	open my $fh, "<", $RUNTIMEFILE
68	or die "unable to read runtime file: $!";	141	or die "unable to read $RUNTIMEFILE file: $!";
69	$RUNTIME = <$fh> + 0.;	142	$RUNTIME = <$fh> + 0.;
70	}	143	}
71		144
72	mkdir cf::localdir;	145	mkdir $_
73	mkdir cf::localdir . "/" . cf::playerdir;	146	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
74	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;
77		147
78	# a special map that is always available
79	our $LINK_MAP;
80	our $EMERGENCY_POSITION;	148	our $EMERGENCY_POSITION;
		149
		150	sub cf::map::normalise;
81		151
82	#############################################################################	152	#############################################################################
83		153
84	=head2 GLOBAL VARIABLES	154	=head2 GLOBAL VARIABLES
85		155
…		…
92	=item $cf::RUNTIME	162	=item $cf::RUNTIME
93		163
94	The time this server has run, starts at 0 and is increased by $cf::TICK on	164	The time this server has run, starts at 0 and is increased by $cf::TICK on
95	every server tick.	165	every server tick.
96		166
97	=item $cf::LIBDIR	167	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		168	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		169	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
98		170
99	The perl library directory, where extensions and cf-specific modules can	171	Various directories - "/etc", read-only install directory, perl-library
100	be found. It will be added to C<@INC> automatically.	172	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		173	unique-items directory, player file directory, random maps directory and
		174	database environment.
101		175
102	=item $cf::NOW	176	=item $cf::NOW
103		177
104	The time of the last (current) server tick.	178	The time of the last (current) server tick.
105		179
106	=item $cf::TICK	180	=item $cf::TICK
107		181
108	The interval between server ticks, in seconds.	182	The interval between server ticks, in seconds.
109		183
		184	=item $cf::LOADAVG
		185
		186	The current CPU load on the server (alpha-smoothed), as a value between 0
		187	(none) and 1 (overloaded), indicating how much time is spent on processing
		188	objects per tick. Healthy values are < 0.5.
		189
		190	=item $cf::LOAD
		191
		192	The raw value load value from the last tick.
		193
110	=item %cf::CFG	194	=item %cf::CFG
111		195
112	Configuration for the server, loaded from C</etc/crossfire/config>, or	196	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
113	from wherever your confdir points to.	197	from wherever your confdir points to.
114		198
115	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	199	=item cf::wait_for_tick, cf::wait_for_tick_begin
116		200
117	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	201	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
118	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	202	returns directly I<after> the tick processing (and consequently, can only wake one process
119	processing has been done. Call C<< ->wait >> on them to maximise the	203	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
120	window of cpu time available, or simply to synchronise to the server tick.	204
		205	=item @cf::INVOKE_RESULTS
		206
		207	This array contains the results of the last C<invoke ()> call. When
		208	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		209	that call.
121		210
122	=back	211	=back
123		212
124	=cut	213	=cut
125		214
126	BEGIN {	215	BEGIN {
127	*CORE::GLOBAL::warn = sub {	216	*CORE::GLOBAL::warn = sub {
128	my $msg = join "", @_;	217	my $msg = join "", @_;
129	utf8::encode $msg;
130		218
131	$msg .= "\n"	219	$msg .= "\n"
132	unless $msg =~ /\n$/;	220	unless $msg =~ /\n$/;
133		221
		222	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		223
134	LOG llevError, $msg;	224	LOG llevError, $msg;
135	};	225	};
136	}	226	}
		227
		228	$Coro::State::DIEHOOK = sub {
		229	return unless $^S eq 0; # "eq", not "=="
		230
		231	if ($Coro::current == $Coro::main) {#d#
		232	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		233	return;#d#
		234	}#d#
		235
		236	# kill coroutine otherwise
		237	warn Carp::longmess $_[0];
		238	Coro::terminate
		239	};
		240
		241	$SIG{__DIE__} = sub { }; #d#?
137		242
138	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	243	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
139	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	244	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
140	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	245	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
141	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	246	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
142	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	247	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		248	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
143	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	249	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
144		250
145	# we bless all objects into (empty) derived classes to force a method lookup	251	# we bless all objects into (empty) derived classes to force a method lookup
146	# within the Safe compartment.	252	# within the Safe compartment.
147	for my $pkg (qw(	253	for my $pkg (qw(
148	cf::global cf::attachable	254	cf::global cf::attachable
149	cf::object cf::object::player	255	cf::object cf::object::player
150	cf::client cf::player	256	cf::client cf::player
151	cf::arch cf::living	257	cf::arch cf::living
		258	cf::map cf::mapspace
152	cf::map cf::party cf::region	259	cf::party cf::region
153	)) {	260	)) {
154	no strict 'refs';
155	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	261	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
156	}	262	}
157		263
158	$Event::DIED = sub {	264	$EV::DIED = sub {
159	warn "error in event callback: @_";	265	warn "error in event callback: @_";
160	};	266	};
161		267
162	my %ext_pkg;	268	#############################################################################
163	my @exts;
164	my @hook;
165		269
166	=head2 UTILITY FUNCTIONS	270	=head2 UTILITY FUNCTIONS
167		271
168	=over 4	272	=over 4
169		273
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	292	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	293	$d
190	} || "[unable to dump $_[0]: '$@']";	294	} || "[unable to dump $_[0]: '$@']";
191	}	295	}
192		296
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	297	=item $ref = cf::decode_json $json
196		298
197	Converts a JSON string into the corresponding perl data structure.	299	Converts a JSON string into the corresponding perl data structure.
198		300
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	301	=item $json = cf::encode_json $ref
207		302
208	Converts a perl data structure into its JSON representation.	303	Converts a perl data structure into its JSON representation.
209		304
210	=cut	305	=cut
211		306
212	sub to_json($) {	307	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	308
214	JSON::Syck::Dump $_[0]	309	sub encode_json($) { $json_coder->encode ($_[0]) }
		310	sub decode_json($) { $json_coder->decode ($_[0]) }
		311
		312	=item cf::post_init { BLOCK }
		313
		314	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		315	but I<before> the server starts ticking again.
		316
		317	The cdoeblock will have a single boolean argument to indicate whether this
		318	is a reload or not.
		319
		320	=cut
		321
		322	sub post_init(&) {
		323	push @POST_INIT, shift;
215	}	324	}
216		325
217	=item cf::lock_wait $string	326	=item cf::lock_wait $string
218		327
219	Wait until the given lock is available. See cf::lock_acquire.	328	Wait until the given lock is available. See cf::lock_acquire.
…		…
223	Wait until the given lock is available and then acquires it and returns	332	Wait until the given lock is available and then acquires it and returns
224	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	333	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
225	for example when the coroutine gets canceled), the lock is automatically	334	for example when the coroutine gets canceled), the lock is automatically
226	returned.	335	returned.
227		336
		337	Locks are *not* recursive, locking from the same coro twice results in a
		338	deadlocked coro.
		339
228	Lock names should begin with a unique identifier (for example, cf::map::find	340	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	341	uses map_find and cf::map::load uses map_load).
230		342
		343	=item $locked = cf::lock_active $string
		344
		345	Return true if the lock is currently active, i.e. somebody has locked it.
		346
231	=cut	347	=cut
232		348
233	our %LOCK;	349	our %LOCK;
		350	our %LOCKER;#d#
234		351
235	sub lock_wait($) {	352	sub lock_wait($) {
236	my ($key) = @_;	353	my ($key) = @_;
237		354
		355	if ($LOCKER{$key} == $Coro::current) {#d#
		356	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		357	return;#d#
		358	}#d#
		359
238	# wait for lock, if any	360	# wait for lock, if any
239	while ($LOCK{$key}) {	361	while ($LOCK{$key}) {
		362	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
240	push @{ $LOCK{$key} }, $Coro::current;	363	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;	364	Coro::schedule;
242	}	365	}
243	}	366	}
244		367
…		…
247		370
248	# wait, to be sure we are not locked	371	# wait, to be sure we are not locked
249	lock_wait $key;	372	lock_wait $key;
250		373
251	$LOCK{$key} = [];	374	$LOCK{$key} = [];
		375	$LOCKER{$key} = $Coro::current;#d#
252		376
253	Coro::guard {	377	Coro::guard {
		378	delete $LOCKER{$key};#d#
254	# wake up all waiters, to be on the safe side	379	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	380	$_->ready for @{ delete $LOCK{$key} };
256	}	381	}
257	}	382	}
258		383
		384	sub lock_active($) {
		385	my ($key) = @_;
		386
		387	! ! $LOCK{$key}
		388	}
		389
259	sub freeze_mainloop {	390	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	391	tick_inhibit_inc;
261		392
262	my $guard = Coro::guard { $TICK_WATCHER->start };	393	Coro::guard \&tick_inhibit_dec;
263	$TICK_WATCHER->stop;	394	}
264	$guard	395
		396	=item cf::periodic $interval, $cb
		397
		398	Like EV::periodic, but randomly selects a starting point so that the actions
		399	get spread over timer.
		400
		401	=cut
		402
		403	sub periodic($$) {
		404	my ($interval, $cb) = @_;
		405
		406	my $start = rand List::Util::min 180, $interval;
		407
		408	EV::periodic $start, $interval, 0, $cb
		409	}
		410
		411	=item cf::get_slot $time[, $priority[, $name]]
		412
		413	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		414	This call blocks and returns only when you have at least C<$time> seconds
		415	of cpu time till the next tick. The slot is only valid till the next cede.
		416
		417	The optional C<$name> can be used to identify the job to run. It might be
		418	used for statistical purposes and should identify the same time-class.
		419
		420	Useful for short background jobs.
		421
		422	=cut
		423
		424	our @SLOT_QUEUE;
		425	our $SLOT_QUEUE;
		426
		427	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		428	$SLOT_QUEUE = Coro::async {
		429	$Coro::current->desc ("timeslot manager");
		430
		431	my $signal = new Coro::Signal;
		432
		433	while () {
		434	next_job:
		435	my $avail = cf::till_tick;
		436	if ($avail > 0.01) {
		437	for (0 .. $#SLOT_QUEUE) {
		438	if ($SLOT_QUEUE[$_][0] < $avail) {
		439	my $job = splice @SLOT_QUEUE, $_, 1, ();
		440	$job->[2]->send;
		441	Coro::cede;
		442	goto next_job;
		443	}
		444	}
		445	}
		446
		447	if (@SLOT_QUEUE) {
		448	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		449	push @cf::WAIT_FOR_TICK, $signal;
		450	$signal->wait;
		451	} else {
		452	Coro::schedule;
		453	}
		454	}
		455	};
		456
		457	sub get_slot($;$$) {
		458	return if tick_inhibit || $Coro::current == $Coro::main;
		459
		460	my ($time, $pri, $name) = @_;
		461
		462	$time = $TICK * .6 if $time > $TICK * .6;
		463	my $sig = new Coro::Signal;
		464
		465	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		466	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		467	$SLOT_QUEUE->ready;
		468	$sig->wait;
265	}	469	}
266		470
267	=item cf::async { BLOCK }	471	=item cf::async { BLOCK }
268		472
269	Currently the same as Coro::async_pool, meaning you cannot use	473	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		478
275	BEGIN { *async = \&Coro::async_pool }	479	BEGIN { *async = \&Coro::async_pool }
276		480
277	=item cf::sync_job { BLOCK }	481	=item cf::sync_job { BLOCK }
278		482
279	The design of crossfire+ requires that the main coro ($Coro::main) is	483	The design of Deliantra requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	484	is always able to handle events or runnable, as Deliantra is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	485	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		486	acceptable.
282		487
283	If it must be done, put the blocking parts into C<sync_job>. This will run	488	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	489	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	490	server will be frozen during this time, so the block should either finish
286	fast or be very important.	491	fast or be very important.
…		…
289		494
290	sub sync_job(&) {	495	sub sync_job(&) {
291	my ($job) = @_;	496	my ($job) = @_;
292		497
293	if ($Coro::current == $Coro::main) {	498	if ($Coro::current == $Coro::main) {
		499	my $time = EV::time;
		500
294	# this is the main coro, too bad, we have to block	501	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	502	# till the operation succeeds, freezing the server :/
296		503
297	# TODO: use suspend/resume instead	504	LOG llevError, Carp::longmess "sync job";#d#
298	# (but this is cancel-safe)	505
299	my $freeze_guard = freeze_mainloop;	506	my $freeze_guard = freeze_mainloop;
300		507
301	my $busy = 1;	508	my $busy = 1;
302	my @res;	509	my @res;
303		510
304	(async {	511	(async {
		512	$Coro::current->desc ("sync job coro");
305	@res = eval { $job->() };	513	@res = eval { $job->() };
306	warn $@ if $@;	514	warn $@ if $@;
307	undef $busy;	515	undef $busy;
308	})->prio (Coro::PRIO_MAX);	516	})->prio (Coro::PRIO_MAX);
309		517
310	while ($busy) {	518	while ($busy) {
311	Coro::cede or Event::one_event;	519	if (Coro::nready) {
		520	Coro::cede_notself;
		521	} else {
		522	EV::loop EV::LOOP_ONESHOT;
312	}	523	}
		524	}
		525
		526	my $time = EV::time - $time;
		527
		528	$TICK_START += $time; # do not account sync jobs to server load
313		529
314	wantarray ? @res : $res[0]	530	wantarray ? @res : $res[0]
315	} else {	531	} else {
316	# we are in another coroutine, how wonderful, everything just works	532	# we are in another coroutine, how wonderful, everything just works
317		533
…		…
319	}	535	}
320	}	536	}
321		537
322	=item $coro = cf::async_ext { BLOCK }	538	=item $coro = cf::async_ext { BLOCK }
323		539
324	Like async, but this coro is automcatially being canceled when the	540	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	541	extension calling this is being unloaded.
326		542
327	=cut	543	=cut
328		544
329	sub async_ext(&) {	545	sub async_ext(&) {
…		…
337	$EXT_CORO{$coro+0} = $coro;	553	$EXT_CORO{$coro+0} = $coro;
338		554
339	$coro	555	$coro
340	}	556	}
341		557
342	sub write_runtime {	558	=item fork_call { }, $args
343	my $runtime = cf::localdir . "/runtime";
344		559
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	560	Executes the given code block with the given arguments in a seperate
346	or return;	561	process, returning the results. Everything must be serialisable with
		562	Coro::Storable. May, of course, block. Note that the executed sub may
		563	never block itself or use any form of event handling.
347		564
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	565	=cut
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;
351		566
352	aio_fsync $fh	567	sub fork_call(&@) {
353	and return;	568	my ($cb, @args) = @_;
354		569
355	close $fh	570	# we seemingly have to make a local copy of the whole thing,
356	or return;	571	# otherwise perl prematurely frees the stuff :/
		572	# TODO: investigate and fix (likely this will be rather laborious)
357		573
358	aio_rename "$runtime~", $runtime	574	my @res = Coro::Util::fork_eval {
359	and return;	575	reset_signals;
		576	&$cb
		577	}, @args;
360		578
		579	wantarray ? @res : $res[-1]
		580	}
		581
		582	=item $coin = coin_from_name $name
		583
		584	=cut
		585
		586	our %coin_alias = (
		587	"silver" => "silvercoin",
		588	"silvercoin" => "silvercoin",
		589	"silvercoins" => "silvercoin",
		590	"gold" => "goldcoin",
		591	"goldcoin" => "goldcoin",
		592	"goldcoins" => "goldcoin",
		593	"platinum" => "platinacoin",
		594	"platinumcoin" => "platinacoin",
		595	"platinumcoins" => "platinacoin",
		596	"platina" => "platinacoin",
		597	"platinacoin" => "platinacoin",
		598	"platinacoins" => "platinacoin",
		599	"royalty" => "royalty",
		600	"royalties" => "royalty",
		601	);
		602
		603	sub coin_from_name($) {
		604	$coin_alias{$_[0]}
		605	? cf::arch::find $coin_alias{$_[0]}
		606	: undef
		607	}
		608
		609	=item $value = cf::db_get $family => $key
		610
		611	Returns a single value from the environment database.
		612
		613	=item cf::db_put $family => $key => $value
		614
		615	Stores the given C<$value> in the family. It can currently store binary
		616	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		617
		618	=item $db = cf::db_table "name"
		619
		620	Create and/or open a new database table. The string must not be "db" and must be unique
		621	within each server.
		622
		623	=cut
		624
		625	sub db_table($) {
		626	my ($name) = @_;
		627	my $db = BDB::db_create $DB_ENV;
		628
		629	eval {
		630	$db->set_flags (BDB::CHKSUM);
		631
		632	utf8::encode $name;
		633	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		634	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		635	cf::cleanup "db_open(db): $!" if $!;
		636	};
		637	cf::cleanup "db_open(db): $@" if $@;
		638
		639	$db
		640	}
		641
		642	our $DB;
		643
		644	sub db_init {
		645	cf::sync_job {
		646	$DB ||= db_table "db";
		647	};
		648	}
		649
		650	sub db_get($$) {
		651	my $key = "$_[0]/$_[1]";
		652
		653	cf::sync_job {
		654	BDB::db_get $DB, undef, $key, my $data;
		655
		656	$! ? ()
		657	: $data
361	1	658	}
		659	}
		660
		661	sub db_put($$$) {
		662	BDB::dbreq_pri 4;
		663	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		664	}
		665
		666	=item cf::cache $id => [$paths...], $processversion => $process
		667
		668	Generic caching function that returns the value of the resource $id,
		669	caching and regenerating as required.
		670
		671	This function can block.
		672
		673	=cut
		674
		675	sub cache {
		676	my ($id, $src, $processversion, $process) = @_;
		677
		678	my $meta =
		679	join "\x00",
		680	$processversion,
		681	map {
		682	aio_stat $_
		683	and Carp::croak "$_: $!";
		684
		685	($_, (stat _)[7,9])
		686	} @$src;
		687
		688	my $dbmeta = db_get cache => "$id/meta";
		689	if ($dbmeta ne $meta) {
		690	# changed, we may need to process
		691
		692	my @data;
		693	my $md5;
		694
		695	for (0 .. $#$src) {
		696	0 <= aio_load $src->[$_], $data[$_]
		697	or Carp::croak "$src->[$_]: $!";
		698	}
		699
		700	# if processing is expensive, check
		701	# checksum first
		702	if (1) {
		703	$md5 =
		704	join "\x00",
		705	$processversion,
		706	map {
		707	cf::cede_to_tick;
		708	($src->[$_], Digest::MD5::md5_hex $data[$_])
		709	} 0.. $#$src;
		710
		711
		712	my $dbmd5 = db_get cache => "$id/md5";
		713	if ($dbmd5 eq $md5) {
		714	db_put cache => "$id/meta", $meta;
		715
		716	return db_get cache => "$id/data";
		717	}
		718	}
		719
		720	my $t1 = Time::HiRes::time;
		721	my $data = $process->(\@data);
		722	my $t2 = Time::HiRes::time;
		723
		724	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		725
		726	db_put cache => "$id/data", $data;
		727	db_put cache => "$id/md5" , $md5;
		728	db_put cache => "$id/meta", $meta;
		729
		730	return $data;
		731	}
		732
		733	db_get cache => "$id/data"
		734	}
		735
		736	=item cf::datalog type => key => value, ...
		737
		738	Log a datalog packet of the given type with the given key-value pairs.
		739
		740	=cut
		741
		742	sub datalog($@) {
		743	my ($type, %kv) = @_;
		744	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
362	}	745	}
363		746
364	=back	747	=back
365		748
366	=cut	749	=cut
367		750
368	#############################################################################	751	#############################################################################
369		752
370	package cf::path;
371
372	# used to convert map paths into valid unix filenames by repalcing / by ∕
373	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
374
375	sub new {
376	my ($class, $path, $base) = @_;
377
378	$path = $path->as_string if ref $path;
379
380	my $self = bless { }, $class;
381
382	# {... are special paths that are not touched
383	# ?xxx/... are special absolute paths
384	# ?random/... random maps
385	# /! non-realised random map exit
386	# /... normal maps
387	# ~/... per-player maps without a specific player (DO NOT USE)
388	# ~user/... per-player map of a specific user
389
390	if ($path =~ /^{/) {
391	# fine as it is
392	} elsif ($path =~ s{^\?random/}{}) {
393	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
394	$self->{random} = cf::from_json $data;
395	} else {
396	if ($path =~ s{^~([^/]+)?}{}) {
397	$self->{user_rel} = 1;
398
399	if (defined $1) {
400	$self->{user} = $1;
401	} elsif ($base =~ m{^~([^/]+)/}) {
402	$self->{user} = $1;
403	} else {
404	warn "cannot resolve user-relative path without user <$path,$base>\n";
405	}
406	} elsif ($path =~ /^\//) {
407	# already absolute
408	} else {
409	$base =~ s{[^/]+/?$}{};
410	return $class->new ("$base/$path");
411	}
412
413	for ($path) {
414	redo if s{/\.?/}{/};
415	redo if s{/[^/]+/\.\./}{/};
416	}
417	}
418
419	$self->{path} = $path;
420
421	$self
422	}
423
424	# the name / primary key / in-game path
425	sub as_string {
426	my ($self) = @_;
427
428	$self->{user_rel} ? "~$self->{user}$self->{path}"
429	: $self->{random} ? "?random/$self->{path}"
430	: $self->{path}
431	}
432
433	# the displayed name, this is a one way mapping
434	sub visible_name {
435	my ($self) = @_;
436
437	# if (my $rmp = $self->{random}) {
438	# # todo: be more intelligent about this
439	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
440	# } else {
441	$self->as_string
442	# }
443	}
444
445	# escape the /'s in the path
446	sub _escaped_path {
447	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
448	$path
449	}
450
451	# the original (read-only) location
452	sub load_path {
453	my ($self) = @_;
454
455	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
456	}
457
458	# the temporary/swap location
459	sub save_path {
460	my ($self) = @_;
461
462	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
463	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
464	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
465	}
466
467	# the unique path, might be eq to save_path
468	sub uniq_path {
469	my ($self) = @_;
470
471	$self->{user_rel} || $self->{random}
472	? undef
473	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
474	}
475
476	# return random map parameters, or undef
477	sub random_map_params {
478	my ($self) = @_;
479
480	$self->{random}
481	}
482
483	# this is somewhat ugly, but style maps do need special treatment
484	sub is_style_map {
485	$_[0]{path} =~ m{^/styles/}
486	}
487
488	package cf;
489
490	#############################################################################
491
492	=head2 ATTACHABLE OBJECTS	753	=head2 ATTACHABLE OBJECTS
493		754
494	Many objects in crossfire are so-called attachable objects. That means you can	755	Many objects in deliantra are so-called attachable objects. That means you can
495	attach callbacks/event handlers (a collection of which is called an "attachment")	756	attach callbacks/event handlers (a collection of which is called an "attachment")
496	to it. All such attachable objects support the following methods.	757	to it. All such attachable objects support the following methods.
497		758
498	In the following description, CLASS can be any of C<global>, C<object>	759	In the following description, CLASS can be any of C<global>, C<object>
499	C<player>, C<client> or C<map> (i.e. the attachable objects in	760	C<player>, C<client> or C<map> (i.e. the attachable objects in
500	crossfire+).	761	Deliantra).
501		762
502	=over 4	763	=over 4
503		764
504	=item $attachable->attach ($attachment, key => $value...)	765	=item $attachable->attach ($attachment, key => $value...)
505		766
…		…
549	=item cf::CLASS::attachment $name, ...	810	=item cf::CLASS::attachment $name, ...
550		811
551	Register an attachment by C<$name> through which attachable objects of the	812	Register an attachment by C<$name> through which attachable objects of the
552	given CLASS can refer to this attachment.	813	given CLASS can refer to this attachment.
553		814
554	Some classes such as crossfire maps and objects can specify attachments	815	Some classes such as deliantra maps and objects can specify attachments
555	that are attached at load/instantiate time, thus the need for a name.	816	that are attached at load/instantiate time, thus the need for a name.
556		817
557	These calls expect any number of the following handler/hook descriptions:	818	These calls expect any number of the following handler/hook descriptions:
558		819
559	=over 4	820	=over 4
…		…
619	our @CB_TYPE = (); # registry for type (cf-object class) based events	880	our @CB_TYPE = (); # registry for type (cf-object class) based events
620	our @CB_MAP = ();	881	our @CB_MAP = ();
621		882
622	my %attachment;	883	my %attachment;
623		884
		885	sub cf::attachable::thawer_merge {
		886	# simply override everything except _meta
		887	local $_[0]{_meta};
		888	%{$_[0]} = %{$_[1]};
		889	}
		890
624	sub _attach_cb($$$$) {	891	sub _attach_cb($$$$) {
625	my ($registry, $event, $prio, $cb) = @_;	892	my ($registry, $event, $prio, $cb) = @_;
626		893
627	use sort 'stable';	894	use sort 'stable';
628		895
…		…
662	$registry = $CB_TYPE[$object_type] ||= [];	929	$registry = $CB_TYPE[$object_type] ||= [];
663		930
664	} elsif ($type eq "subtype") {	931	} elsif ($type eq "subtype") {
665	defined $object_type or Carp::croak "subtype specified without type";	932	defined $object_type or Carp::croak "subtype specified without type";
666	my $object_subtype = shift @arg;	933	my $object_subtype = shift @arg;
667	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	934	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
668		935
669	} elsif ($type eq "package") {	936	} elsif ($type eq "package") {
670	my $pkg = shift @arg;	937	my $pkg = shift @arg;
671		938
672	while (my ($name, $id) = each %cb_id) {	939	while (my ($name, $id) = each %cb_id) {
…		…
701	_attach $registry, $klass, @attach;	968	_attach $registry, $klass, @attach;
702	}	969	}
703		970
704	$obj->{$name} = \%arg;	971	$obj->{$name} = \%arg;
705	} else {	972	} else {
706	warn "object uses attachment '$name' that is not available, postponing.\n";	973	warn "object uses attachment '$name' which is not available, postponing.\n";
707	}	974	}
708		975
709	$obj->{_attachment}{$name} = undef;	976	$obj->{_attachment}{$name} = undef;
710	}	977	}
711		978
…		…
713	if (ref $_[0]) {	980	if (ref $_[0]) {
714	_object_attach @_;	981	_object_attach @_;
715	} else {	982	} else {
716	_attach shift->_attach_registry, @_;	983	_attach shift->_attach_registry, @_;
717	}	984	}
		985	_recalc_want;
718	};	986	};
719		987
720	# all those should be optimised	988	# all those should be optimised
721	sub cf::attachable::detach {	989	sub cf::attachable::detach {
722	my ($obj, $name) = @_;	990	my ($obj, $name) = @_;
…		…
725	delete $obj->{_attachment}{$name};	993	delete $obj->{_attachment}{$name};
726	reattach ($obj);	994	reattach ($obj);
727	} else {	995	} else {
728	Carp::croak "cannot, currently, detach class attachments";	996	Carp::croak "cannot, currently, detach class attachments";
729	}	997	}
		998	_recalc_want;
730	};	999	};
731		1000
732	sub cf::attachable::attached {	1001	sub cf::attachable::attached {
733	my ($obj, $name) = @_;	1002	my ($obj, $name) = @_;
734		1003
…		…
749	";	1018	";
750	die if $@;	1019	die if $@;
751	}	1020	}
752		1021
753	our $override;	1022	our $override;
754	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1023	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
755		1024
756	sub override {	1025	sub override {
757	$override = 1;	1026	$override = 1;
758	@invoke_results = ();	1027	@INVOKE_RESULTS = (@_);
759	}	1028	}
760		1029
761	sub do_invoke {	1030	sub do_invoke {
762	my $event = shift;	1031	my $event = shift;
763	my $callbacks = shift;	1032	my $callbacks = shift;
764		1033
765	@invoke_results = ();	1034	@INVOKE_RESULTS = ();
766		1035
767	local $override;	1036	local $override;
768		1037
769	for (@$callbacks) {	1038	for (@$callbacks) {
770	eval { &{$_->[1]} };	1039	eval { &{$_->[1]} };
…		…
779	}	1048	}
780		1049
781	0	1050	0
782	}	1051	}
783		1052
784	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1053	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
785		1054
786	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
787		1056
788	Generate an object-specific event with the given arguments.	1057	Generate an object-specific event with the given arguments.
789		1058
790	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1059	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
791	removed in future versions), and there is no public API to access override	1060	removed in future versions), and there is no public API to access override
792	results (if you must, access C<@cf::invoke_results> directly).	1061	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
793		1062
794	=back	1063	=back
795		1064
796	=cut	1065	=cut
797		1066
798	#############################################################################	1067	#############################################################################
799	# object support	1068	# object support
		1069
		1070	sub _object_equal($$);
		1071	sub _object_equal($$) {
		1072	my ($a, $b) = @_;
		1073
		1074	return 0 unless (ref $a) eq (ref $b);
		1075
		1076	if ("HASH" eq ref $a) {
		1077	my @ka = keys %$a;
		1078	my @kb = keys %$b;
		1079
		1080	return 0 if @ka != @kb;
		1081
		1082	for (0 .. $#ka) {
		1083	return 0 unless $ka[$_] eq $kb[$_];
		1084	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1085	}
		1086
		1087	} elsif ("ARRAY" eq ref $a) {
		1088
		1089	return 0 if @$a != @$b;
		1090
		1091	for (0 .. $#$a) {
		1092	return 0 unless _object_equal $a->[$_], $b->[$_];
		1093	}
		1094
		1095	} elsif ($a ne $b) {
		1096	return 0;
		1097	}
		1098
		1099	1
		1100	}
		1101
		1102	our $SLOW_MERGES;#d#
		1103	sub _can_merge {
		1104	my ($ob1, $ob2) = @_;
		1105
		1106	++$SLOW_MERGES;#d#
		1107
		1108	# we do the slow way here
		1109	return _object_equal $ob1, $ob2
		1110	}
800		1111
801	sub reattach {	1112	sub reattach {
802	# basically do the same as instantiate, without calling instantiate	1113	# basically do the same as instantiate, without calling instantiate
803	my ($obj) = @_;	1114	my ($obj) = @_;
		1115
		1116	# no longer needed after getting rid of delete_package?
		1117	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804		1118
805	my $registry = $obj->registry;	1119	my $registry = $obj->registry;
806		1120
807	@$registry = ();	1121	@$registry = ();
808		1122
…		…
823	cf::attachable->attach (	1137	cf::attachable->attach (
824	prio => -1000000,	1138	prio => -1000000,
825	on_instantiate => sub {	1139	on_instantiate => sub {
826	my ($obj, $data) = @_;	1140	my ($obj, $data) = @_;
827		1141
828	$data = from_json $data;	1142	$data = decode_json $data;
829		1143
830	for (@$data) {	1144	for (@$data) {
831	my ($name, $args) = @$_;	1145	my ($name, $args) = @$_;
832		1146
833	$obj->attach ($name, %{$args || {} });	1147	$obj->attach ($name, %{$args || {} });
…		…
849	sub object_freezer_save {	1163	sub object_freezer_save {
850	my ($filename, $rdata, $objs) = @_;	1164	my ($filename, $rdata, $objs) = @_;
851		1165
852	sync_job {	1166	sync_job {
853	if (length $$rdata) {	1167	if (length $$rdata) {
		1168	utf8::decode (my $decname = $filename);
854	warn sprintf "saving %s (%d,%d)\n",	1169	warn sprintf "saving %s (%d,%d)\n",
855	$filename, length $$rdata, scalar @$objs;	1170	$decname, length $$rdata, scalar @$objs;
856		1171
857	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1172	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858	chmod SAVE_MODE, $fh;	1173	aio_chmod $fh, SAVE_MODE;
859	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1174	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
860	aio_fsync $fh;	1175	aio_fsync $fh if $cf::USE_FSYNC;
861	close $fh;	1176	aio_close $fh;
862		1177
863	if (@$objs) {	1178	if (@$objs) {
864	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1179	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
865	chmod SAVE_MODE, $fh;	1180	aio_chmod $fh, SAVE_MODE;
866	my $data = Storable::nfreeze { version => 1, objs => $objs };	1181	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
867	aio_write $fh, 0, (length $data), $data, 0;	1182	aio_write $fh, 0, (length $data), $data, 0;
868	aio_fsync $fh;	1183	aio_fsync $fh if $cf::USE_FSYNC;
869	close $fh;	1184	aio_close $fh;
870	aio_rename "$filename.pst~", "$filename.pst";	1185	aio_rename "$filename.pst~", "$filename.pst";
871	}	1186	}
872	} else {	1187	} else {
873	aio_unlink "$filename.pst";	1188	aio_unlink "$filename.pst";
874	}	1189	}
875		1190
876	aio_rename "$filename~", $filename;	1191	aio_rename "$filename~", $filename;
		1192
		1193	$filename =~ s%/[^/]+$%%;
		1194	aio_pathsync $filename;
877	} else {	1195	} else {
878	warn "FATAL: $filename~: $!\n";	1196	warn "FATAL: $filename~: $!\n";
879	}	1197	}
880	} else {	1198	} else {
881	aio_unlink $filename;	1199	aio_unlink $filename;
882	aio_unlink "$filename.pst";	1200	aio_unlink "$filename.pst";
883	}	1201	}
884	}	1202	};
885	}	1203	}
886		1204
887	sub object_freezer_as_string {	1205	sub object_freezer_as_string {
888	my ($rdata, $objs) = @_;	1206	my ($rdata, $objs) = @_;
889		1207
…		…
901	or return;	1219	or return;
902		1220
903	unless (aio_stat "$filename.pst") {	1221	unless (aio_stat "$filename.pst") {
904	(aio_load "$filename.pst", $av) >= 0	1222	(aio_load "$filename.pst", $av) >= 0
905	or return;	1223	or return;
		1224
906	$av = eval { (Storable::thaw $av)->{objs} };	1225	my $st = eval { Coro::Storable::thaw $av };
		1226	$av = $st->{objs};
907	}	1227	}
908		1228
		1229	utf8::decode (my $decname = $filename);
909	warn sprintf "loading %s (%d)\n",	1230	warn sprintf "loading %s (%d,%d)\n",
910	$filename, length $data, scalar @{$av || []};#d#	1231	$decname, length $data, scalar @{$av || []};
		1232
911	return ($data, $av);	1233	($data, $av)
912	}	1234	}
		1235
		1236	=head2 COMMAND CALLBACKS
		1237
		1238	=over 4
		1239
		1240	=cut
913		1241
914	#############################################################################	1242	#############################################################################
915	# command handling &c	1243	# command handling &c
916		1244
917	=item cf::register_command $name => \&callback($ob,$args);	1245	=item cf::register_command $name => \&callback($ob,$args);
…		…
930	push @{ $COMMAND{$name} }, [$caller, $cb];	1258	push @{ $COMMAND{$name} }, [$caller, $cb];
931	}	1259	}
932		1260
933	=item cf::register_extcmd $name => \&callback($pl,$packet);	1261	=item cf::register_extcmd $name => \&callback($pl,$packet);
934		1262
935	Register a callbackf ro execution when the client sends an extcmd packet.	1263	Register a callback for execution when the client sends an (synchronous)
		1264	extcmd packet. Ext commands will be processed in the order they are
		1265	received by the server, like other user commands. The first argument is
		1266	the logged-in player. Ext commands can only be processed after a player
		1267	has logged in successfully.
936		1268
937	If the callback returns something, it is sent back as if reply was being	1269	If the callback returns something, it is sent back as if reply was being
938	called.	1270	called.
939		1271
		1272	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1273
		1274	Register a callback for execution when the client sends an (asynchronous)
		1275	exticmd packet. Exti commands are processed by the server as soon as they
		1276	are received, i.e. out of order w.r.t. other commands. The first argument
		1277	is a client socket. Exti commands can be received anytime, even before
		1278	log-in.
		1279
		1280	If the callback returns something, it is sent back as if reply was being
		1281	called.
		1282
940	=cut	1283	=cut
941		1284
942	sub register_extcmd {	1285	sub register_extcmd {
943	my ($name, $cb) = @_;	1286	my ($name, $cb) = @_;
944		1287
945	my $caller = caller;
946	#warn "registering extcmd '$name' to '$caller'";
947
948	$EXTCMD{$name} = [$cb, $caller];	1288	$EXTCMD{$name} = $cb;
		1289	}
		1290
		1291	sub register_exticmd {
		1292	my ($name, $cb) = @_;
		1293
		1294	$EXTICMD{$name} = $cb;
949	}	1295	}
950		1296
951	cf::player->attach (	1297	cf::player->attach (
952	on_command => sub {	1298	on_command => sub {
953	my ($pl, $name, $params) = @_;	1299	my ($pl, $name, $params) = @_;
…		…
962	cf::override;	1308	cf::override;
963	},	1309	},
964	on_extcmd => sub {	1310	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1311	my ($pl, $buf) = @_;
966		1312
967	my $msg = eval { from_json $buf };	1313	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1314
969	if (ref $msg) {	1315	if (ref $msg) {
		1316	my ($type, $reply, @payload) =
		1317	"ARRAY" eq ref $msg
		1318	? @$msg
		1319	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1320
		1321	my @reply;
		1322
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1323	if (my $cb = $EXTCMD{$type}) {
971	if (my %reply = $cb->[0]->($pl, $msg)) {	1324	@reply = $cb->($pl, @payload);
972	$pl->ext_reply ($msg->{msgid}, %reply);
973	}
974	}	1325	}
		1326
		1327	$pl->ext_reply ($reply, @reply)
		1328	if $reply;
		1329
975	} else {	1330	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1331	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977	}	1332	}
978		1333
979	cf::override;	1334	cf::override;
980	},	1335	},
981	);	1336	);
982		1337
983	sub register {
984	my ($base, $pkg) = @_;
985
986	#TODO
987	}
988
989	sub load_extension {
990	my ($path) = @_;
991
992	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
993	my $base = $1;
994	my $pkg = $1;
995	$pkg =~ s/[^[:word:]]/_/g;
996	$pkg = "ext::$pkg";
997
998	warn "loading '$path' into '$pkg'\n";
999
1000	open my $fh, "<:utf8", $path
1001	or die "$path: $!";
1002
1003	my $source =
1004	"package $pkg; use strict; use utf8;\n"
1005	. "#line 1 \"$path\"\n{\n"
1006	. (do { local $/; <$fh> })
1007	. "\n};\n1";
1008
1009	eval $source
1010	or die $@ ? "$path: $@\n"
1011	: "extension disabled.\n";
1012
1013	push @exts, $pkg;
1014	$ext_pkg{$base} = $pkg;
1015
1016	# no strict 'refs';
1017	# @{"$pkg\::ISA"} = ext::;
1018
1019	register $base, $pkg;
1020	}
1021
1022	sub unload_extension {
1023	my ($pkg) = @_;
1024
1025	warn "removing extension $pkg\n";
1026
1027	# remove hooks
1028	#TODO
1029	# for my $idx (0 .. $#PLUGIN_EVENT) {
1030	# delete $hook[$idx]{$pkg};
1031	# }
1032
1033	# remove commands
1034	for my $name (keys %COMMAND) {
1035	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1036
1037	if (@cb) {
1038	$COMMAND{$name} = \@cb;
1039	} else {
1040	delete $COMMAND{$name};
1041	}
1042	}
1043
1044	# remove extcmds
1045	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1046	delete $EXTCMD{$name};
1047	}
1048
1049	if (my $cb = $pkg->can ("unload")) {
1050	eval {
1051	$cb->($pkg);
1052	1
1053	} or warn "$pkg unloaded, but with errors: $@";
1054	}
1055
1056	Symbol::delete_package $pkg;
1057	}
1058
1059	sub load_extensions {	1338	sub load_extensions {
		1339	cf::sync_job {
		1340	my %todo;
		1341
1060	for my $ext (<$LIBDIR/*.ext>) {	1342	for my $path (<$LIBDIR/*.ext>) {
1061	next unless -r $ext;	1343	next unless -r $path;
1062	eval {	1344
1063	load_extension $ext;	1345	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1346	my $base = $1;
		1347	my $pkg = $1;
		1348	$pkg =~ s/[^[:word:]]/_/g;
		1349	$pkg = "ext::$pkg";
		1350
		1351	open my $fh, "<:utf8", $path
		1352	or die "$path: $!";
		1353
		1354	my $source = do { local $/; <$fh> };
		1355
		1356	my %ext = (
		1357	path => $path,
		1358	base => $base,
		1359	pkg => $pkg,
		1360	);
		1361
		1362	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1363	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1364
		1365	$ext{source} =
		1366	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1367	. "#line 1 \"$path\"\n{\n"
		1368	. $source
		1369	. "\n};\n1";
		1370
		1371	$todo{$base} = \%ext;
		1372	}
		1373
		1374	my %done;
		1375	while (%todo) {
		1376	my $progress;
		1377
		1378	while (my ($k, $v) = each %todo) {
		1379	for (split /,\s*/, $v->{meta}{depends}) {
		1380	goto skip
		1381	unless exists $done{$_};
		1382	}
		1383
		1384	warn "... loading '$k' into '$v->{pkg}'\n";
		1385
		1386	unless (eval $v->{source}) {
		1387	my $msg = $@ ? "$v->{path}: $@\n"
		1388	: "$v->{base}: extension inactive.\n";
		1389
		1390	if (exists $v->{meta}{mandatory}) {
		1391	warn $msg;
		1392	cf::cleanup "mandatory extension failed to load, exiting.";
		1393	}
		1394
		1395	warn $msg;
		1396	}
		1397
		1398	$done{$k} = delete $todo{$k};
		1399	push @EXTS, $v->{pkg};
		1400	$progress = 1;
1064	1	1401	}
1065	} or warn "$ext not loaded: $@";	1402
		1403	skip:
		1404	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1405	unless $progress;
		1406	}
1066	}	1407	};
1067	}	1408	}
1068		1409
1069	#############################################################################	1410	#############################################################################
1070	# load/save/clean perl data associated with a map
1071		1411
1072	*cf::mapsupport::on_clean = sub {	1412	=back
1073	my ($map) = @_;
1074
1075	my $path = $map->tmpname;
1076	defined $path or return;
1077
1078	unlink "$path.pst";
1079	};
1080
1081	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1082
1083	#############################################################################
1084		1413
1085	=head2 CORE EXTENSIONS	1414	=head2 CORE EXTENSIONS
1086		1415
1087	Functions and methods that extend core crossfire objects.	1416	Functions and methods that extend core deliantra objects.
1088		1417
1089	=cut	1418	=cut
1090		1419
1091	package cf::player;	1420	package cf::player;
1092		1421
…		…
1094		1423
1095	=head3 cf::player	1424	=head3 cf::player
1096		1425
1097	=over 4	1426	=over 4
1098		1427
		1428	=item cf::player::num_playing
		1429
		1430	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1431
		1432	=cut
		1433
		1434	sub num_playing {
		1435	scalar grep
		1436	$_->ob->map
		1437	&& !$_->hidden
		1438	&& !$_->ob->flag (cf::FLAG_WIZ),
		1439	cf::player::list
		1440	}
		1441
1099	=item cf::player::find $login	1442	=item cf::player::find $login
1100		1443
1101	Returns the given player object, loading it if necessary (might block).	1444	Returns the given player object, loading it if necessary (might block).
1102		1445
1103	=cut	1446	=cut
1104		1447
1105	sub playerdir($) {	1448	sub playerdir($) {
1106	cf::localdir	1449	"$PLAYERDIR/"
1107	. "/"
1108	. cf::playerdir
1109	. "/"
1110	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1450	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1111	}	1451	}
1112		1452
1113	sub path($) {	1453	sub path($) {
1114	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1454	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1115		1455
1116	(playerdir $login) . "/$login.pl"	1456	(playerdir $login) . "/playerdata"
1117	}	1457	}
1118		1458
1119	sub find_active($) {	1459	sub find_active($) {
1120	$cf::PLAYER{$_[0]}	1460	$cf::PLAYER{$_[0]}
1121	and $cf::PLAYER{$_[0]}->active	1461	and $cf::PLAYER{$_[0]}->active
…		…
1124		1464
1125	sub exists($) {	1465	sub exists($) {
1126	my ($login) = @_;	1466	my ($login) = @_;
1127		1467
1128	$cf::PLAYER{$login}	1468	$cf::PLAYER{$login}
1129	or cf::sync_job { !aio_stat $login }	1469	or !aio_stat path $login
1130	}	1470	}
1131		1471
1132	sub find($) {	1472	sub find($) {
1133	return $cf::PLAYER{$_[0]} || do {	1473	return $cf::PLAYER{$_[0]} || do {
1134	my $login = $_[0];	1474	my $login = $_[0];
1135		1475
1136	my $guard = cf::lock_acquire "user_find:$login";	1476	my $guard = cf::lock_acquire "user_find:$login";
1137		1477
1138	$cf::PLAYER{$_[0]} || do {	1478	$cf::PLAYER{$_[0]} || do {
1139	my $pl = load_pl path $login	1479	# rename old playerfiles to new ones
		1480	#TODO: remove when no longer required
		1481	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1482	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1483	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1484	aio_unlink +(playerdir $login) . "/$login.pl";
		1485
		1486	my $f = new_from_file cf::object::thawer path $login
1140	or return;	1487	or return;
		1488
		1489	my $pl = cf::player::load_pl $f
		1490	or return;
		1491
		1492	local $cf::PLAYER_LOADING{$login} = $pl;
		1493	$f->resolve_delayed_derefs;
1141	$cf::PLAYER{$login} = $pl	1494	$cf::PLAYER{$login} = $pl
1142	}	1495	}
1143	}	1496	}
1144	}	1497	}
1145		1498
…		…
1154	return if $pl->{deny_save};	1507	return if $pl->{deny_save};
1155		1508
1156	aio_mkdir playerdir $pl, 0770;	1509	aio_mkdir playerdir $pl, 0770;
1157	$pl->{last_save} = $cf::RUNTIME;	1510	$pl->{last_save} = $cf::RUNTIME;
1158		1511
		1512	cf::get_slot 0.01;
		1513
1159	$pl->save_pl ($path);	1514	$pl->save_pl ($path);
1160	Coro::cede;	1515	cf::cede_to_tick;
1161	}	1516	}
1162		1517
1163	sub new($) {	1518	sub new($) {
1164	my ($login) = @_;	1519	my ($login) = @_;
1165		1520
…		…
1171	$cf::PLAYER{$login} = $self;	1526	$cf::PLAYER{$login} = $self;
1172		1527
1173	$self	1528	$self
1174	}	1529	}
1175		1530
		1531	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1532
		1533	=cut
		1534
		1535	sub send_msg {
		1536	my $ns = shift->ns
		1537	or return;
		1538	$ns->send_msg (@_);
		1539	}
		1540
1176	=item $pl->quit_character	1541	=item $pl->quit_character
1177		1542
1178	Nukes the player without looking back. If logged in, the connection will	1543	Nukes the player without looking back. If logged in, the connection will
1179	be destroyed. May block for a long time.	1544	be destroyed. May block for a long time.
1180		1545
1181	=cut	1546	=cut
1182		1547
1183	sub quit_character {	1548	sub quit_character {
1184	my ($pl) = @_;	1549	my ($pl) = @_;
1185		1550
		1551	my $name = $pl->ob->name;
		1552
1186	$pl->{deny_save} = 1;	1553	$pl->{deny_save} = 1;
1187	$pl->password ("*"); # this should lock out the player until we nuked the dir	1554	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1188		1555
1189	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1556	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1190	$pl->deactivate;	1557	$pl->deactivate;
		1558	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1559	$pl->ob->check_score;
1191	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1560	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1192	$pl->ns->destroy if $pl->ns;	1561	$pl->ns->destroy if $pl->ns;
1193		1562
1194	my $path = playerdir $pl;	1563	my $path = playerdir $pl;
1195	my $temp = "$path~$cf::RUNTIME~deleting~";	1564	my $temp = "$path~$cf::RUNTIME~deleting~";
1196	aio_rename $path, $temp;	1565	aio_rename $path, $temp;
1197	delete $cf::PLAYER{$pl->ob->name};	1566	delete $cf::PLAYER{$pl->ob->name};
1198	$pl->destroy;	1567	$pl->destroy;
		1568
		1569	my $prefix = qr<^~\Q$name\E/>;
		1570
		1571	# nuke player maps
		1572	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1573
1199	IO::AIO::aio_rmtree $temp;	1574	IO::AIO::aio_rmtree $temp;
		1575	}
		1576
		1577	=item $pl->kick
		1578
		1579	Kicks a player out of the game. This destroys the connection.
		1580
		1581	=cut
		1582
		1583	sub kick {
		1584	my ($pl, $kicker) = @_;
		1585
		1586	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1587	$pl->killer ("kicked");
		1588	$pl->ns->destroy;
1200	}	1589	}
1201		1590
1202	=item cf::player::list_logins	1591	=item cf::player::list_logins
1203		1592
1204	Returns am arrayref of all valid playernames in the system, can take a	1593	Returns am arrayref of all valid playernames in the system, can take a
1205	while and may block, so not sync_job-capable, ever.	1594	while and may block, so not sync_job-capable, ever.
1206		1595
1207	=cut	1596	=cut
1208		1597
1209	sub list_logins {	1598	sub list_logins {
1210	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1599	my $dirs = aio_readdir $PLAYERDIR
1211	or return [];	1600	or return [];
1212		1601
1213	my @logins;	1602	my @logins;
1214		1603
1215	for my $login (@$dirs) {	1604	for my $login (@$dirs) {
		1605	my $path = path $login;
		1606
		1607	# a .pst is a dead give-away for a valid player
		1608	# if no pst file found, open and chekc for blocked users
		1609	if (aio_stat "$path.pst") {
1216	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1610	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1217	aio_read $fh, 0, 512, my $buf, 0 or next;	1611	aio_read $fh, 0, 512, my $buf, 0 or next;
1218	$buf !~ /^password -------------$/m or next; # official not-valid tag	1612	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1613	}
1219		1614
1220	utf8::decode $login;	1615	utf8::decode $login;
1221	push @logins, $login;	1616	push @logins, $login;
1222	}	1617	}
1223		1618
1224	\@logins	1619	\@logins
1225	}	1620	}
1226		1621
1227	=item $player->maps	1622	=item $player->maps
1228		1623
1229	Returns an arrayref of cf::path's of all maps that are private for this	1624	Returns an arrayref of map paths that are private for this
1230	player. May block.	1625	player. May block.
1231		1626
1232	=cut	1627	=cut
1233		1628
1234	sub maps($) {	1629	sub maps($) {
1235	my ($pl) = @_;	1630	my ($pl) = @_;
		1631
		1632	$pl = ref $pl ? $pl->ob->name : $pl;
1236		1633
1237	my $files = aio_readdir playerdir $pl	1634	my $files = aio_readdir playerdir $pl
1238	or return;	1635	or return;
1239		1636
1240	my @paths;	1637	my @paths;
1241		1638
1242	for (@$files) {	1639	for (@$files) {
1243	utf8::decode $_;	1640	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1641	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1642	next unless /^$PATH_SEP/o;
1246		1643
1247	s/$PATH_SEP/\//g;	1644	push @paths, cf::map::normalise "~$pl/$_";
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249	}	1645	}
1250		1646
1251	\@paths	1647	\@paths
1252	}	1648	}
1253		1649
		1650	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1651
		1652	Expand deliantra pod fragments into protocol xml.
		1653
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1654	=item $player->ext_reply ($msgid, @msg)
1255		1655
1256	Sends an ext reply to the player.	1656	Sends an ext reply to the player.
1257		1657
1258	=cut	1658	=cut
1259		1659
1260	sub ext_reply($$$%) {	1660	sub ext_reply($$@) {
1261	my ($self, $id, %msg) = @_;	1661	my ($self, $id, @msg) = @_;
1262		1662
1263	$msg{msgid} = $id;	1663	$self->ns->ext_reply ($id, @msg)
1264
1265	$self->send ("ext " . cf::to_json \%msg);
1266	}	1664	}
1267		1665
1268	package cf;	1666	=item $player->ext_msg ($type, @msg)
		1667
		1668	Sends an ext event to the client.
		1669
		1670	=cut
		1671
		1672	sub ext_msg($$@) {
		1673	my ($self, $type, @msg) = @_;
		1674
		1675	$self->ns->ext_msg ($type, @msg);
		1676	}
		1677
		1678	=head3 cf::region
		1679
		1680	=over 4
		1681
		1682	=cut
		1683
		1684	package cf::region;
		1685
		1686	=item cf::region::find_by_path $path
		1687
		1688	Tries to decuce the likely region for a map knowing only its path.
		1689
		1690	=cut
		1691
		1692	sub find_by_path($) {
		1693	my ($path) = @_;
		1694
		1695	my ($match, $specificity);
		1696
		1697	for my $region (list) {
		1698	if ($region->{match} && $path =~ $region->{match}) {
		1699	($match, $specificity) = ($region, $region->specificity)
		1700	if $region->specificity > $specificity;
		1701	}
		1702	}
		1703
		1704	$match
		1705	}
1269		1706
1270	=back	1707	=back
1271
1272		1708
1273	=head3 cf::map	1709	=head3 cf::map
1274		1710
1275	=over 4	1711	=over 4
1276		1712
…		…
1279	package cf::map;	1715	package cf::map;
1280		1716
1281	use Fcntl;	1717	use Fcntl;
1282	use Coro::AIO;	1718	use Coro::AIO;
1283		1719
		1720	use overload
		1721	'""' => \&as_string,
		1722	fallback => 1;
		1723
1284	our $MAX_RESET = 3600;	1724	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1725	our $DEFAULT_RESET = 3000;
1286		1726
1287	sub generate_random_map {	1727	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1728	my ($self, $rmp) = @_;
		1729
		1730	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1289		1731
1290	# mit "rum" bekleckern, nicht	1732	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map	1733	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1734	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1735	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1736	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1737	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1738	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1739	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1740	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1741	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1742	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1743	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region})	1744	(cf::region::find $rmp->{region}), $rmp->{custom}
		1745	)
		1746	}
		1747
		1748	=item cf::map->register ($regex, $prio)
		1749
		1750	Register a handler for the map path matching the given regex at the
		1751	givne priority (higher is better, built-in handlers have priority 0, the
		1752	default).
		1753
		1754	=cut
		1755
		1756	sub register {
		1757	my (undef, $regex, $prio) = @_;
		1758	my $pkg = caller;
		1759
		1760	no strict;
		1761	push @{"$pkg\::ISA"}, __PACKAGE__;
		1762
		1763	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1764	}
		1765
		1766	# also paths starting with '/'
		1767	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1768
		1769	sub thawer_merge {
		1770	my ($self, $merge) = @_;
		1771
		1772	# we have to keep some variables in memory intact
		1773	local $self->{path};
		1774	local $self->{load_path};
		1775
		1776	$self->SUPER::thawer_merge ($merge);
		1777	}
		1778
		1779	sub normalise {
		1780	my ($path, $base) = @_;
		1781
		1782	$path = "$path"; # make sure its a string
		1783
		1784	$path =~ s/\.map$//;
		1785
		1786	# map plan:
		1787	#
		1788	# /! non-realised random map exit (special hack!)
		1789	# {... are special paths that are not being touched
		1790	# ?xxx/... are special absolute paths
		1791	# ?random/... random maps
		1792	# /... normal maps
		1793	# ~user/... per-player map of a specific user
		1794
		1795	$path =~ s/$PATH_SEP/\//go;
		1796
		1797	# treat it as relative path if it starts with
		1798	# something that looks reasonable
		1799	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1800	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1801
		1802	$base =~ s{[^/]+/?$}{};
		1803	$path = "$base/$path";
		1804	}
		1805
		1806	for ($path) {
		1807	redo if s{//}{/};
		1808	redo if s{/\.?/}{/};
		1809	redo if s{/[^/]+/\.\./}{/};
		1810	}
		1811
		1812	$path
		1813	}
		1814
		1815	sub new_from_path {
		1816	my (undef, $path, $base) = @_;
		1817
		1818	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1819
		1820	$path = normalise $path, $base;
		1821
		1822	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1823	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1824	my $self = bless cf::map::new, $pkg;
		1825	$self->{path} = $path; $self->path ($path);
		1826	$self->init; # pass $1 etc.
		1827	return $self;
		1828	}
		1829	}
		1830
		1831	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1832	()
		1833	}
		1834
		1835	sub init {
		1836	my ($self) = @_;
		1837
		1838	$self
		1839	}
		1840
		1841	sub as_string {
		1842	my ($self) = @_;
		1843
		1844	"$self->{path}"
		1845	}
		1846
		1847	# the displayed name, this is a one way mapping
		1848	sub visible_name {
		1849	&as_string
		1850	}
		1851
		1852	# the original (read-only) location
		1853	sub load_path {
		1854	my ($self) = @_;
		1855
		1856	"$MAPDIR/$self->{path}.map"
		1857	}
		1858
		1859	# the temporary/swap location
		1860	sub save_path {
		1861	my ($self) = @_;
		1862
		1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1864	"$TMPDIR/$path.map"
		1865	}
		1866
		1867	# the unique path, undef == no special unique path
		1868	sub uniq_path {
		1869	my ($self) = @_;
		1870
		1871	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1872	"$UNIQUEDIR/$path"
1304	}	1873	}
1305		1874
1306	# and all this just because we cannot iterate over	1875	# and all this just because we cannot iterate over
1307	# all maps in C++...	1876	# all maps in C++...
1308	sub change_all_map_light {	1877	sub change_all_map_light {
…		…
1310		1879
1311	$_->change_map_light ($change)	1880	$_->change_map_light ($change)
1312	for grep $_->outdoor, values %cf::MAP;	1881	for grep $_->outdoor, values %cf::MAP;
1313	}	1882	}
1314		1883
		1884	sub decay_objects {
		1885	my ($self) = @_;
		1886
		1887	return if $self->{deny_reset};
		1888
		1889	$self->do_decay_objects;
		1890	}
		1891
		1892	sub unlink_save {
		1893	my ($self) = @_;
		1894
		1895	utf8::encode (my $save = $self->save_path);
		1896	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1897	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1898	}
		1899
1315	sub try_load_header($) {	1900	sub load_header_from($) {
1316	my ($path) = @_;	1901	my ($self, $path) = @_;
1317		1902
1318	utf8::encode $path;	1903	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	1904	my $f = new_from_file cf::object::thawer $path
1320	or return;	1905	or return;
1321		1906
1322	my $map = cf::map::new	1907	$self->_load_header ($f)
1323	or return;	1908	or return;
1324		1909
1325	# for better error messages only, will be overwritten	1910	local $MAP_LOADING{$self->{path}} = $self;
1326	$map->path ($path);	1911	$f->resolve_delayed_derefs;
1327		1912
1328	$map->load_header ($path)	1913	$self->{load_path} = $path;
		1914
		1915	1
		1916	}
		1917
		1918	sub load_header_orig {
		1919	my ($self) = @_;
		1920
		1921	$self->load_header_from ($self->load_path)
		1922	}
		1923
		1924	sub load_header_temp {
		1925	my ($self) = @_;
		1926
		1927	$self->load_header_from ($self->save_path)
		1928	}
		1929
		1930	sub prepare_temp {
		1931	my ($self) = @_;
		1932
		1933	$self->last_access ((delete $self->{last_access})
		1934	|| $cf::RUNTIME); #d#
		1935	# safety
		1936	$self->{instantiate_time} = $cf::RUNTIME
		1937	if $self->{instantiate_time} > $cf::RUNTIME;
		1938	}
		1939
		1940	sub prepare_orig {
		1941	my ($self) = @_;
		1942
		1943	$self->{load_original} = 1;
		1944	$self->{instantiate_time} = $cf::RUNTIME;
		1945	$self->last_access ($cf::RUNTIME);
		1946	$self->instantiate;
		1947	}
		1948
		1949	sub load_header {
		1950	my ($self) = @_;
		1951
		1952	if ($self->load_header_temp) {
		1953	$self->prepare_temp;
		1954	} else {
		1955	$self->load_header_orig
1329	or return;	1956	or return;
		1957	$self->prepare_orig;
		1958	}
1330		1959
1331	$map->{load_path} = $path;	1960	$self->{deny_reset} = 1
		1961	if $self->no_reset;
1332		1962
1333	$map	1963	$self->default_region (cf::region::find_by_path $self->{path})
		1964	unless $self->default_region;
		1965
		1966	1
1334	}	1967	}
1335		1968
1336	sub find;	1969	sub find;
1337	sub find {	1970	sub find {
1338	my ($path, $origin) = @_;	1971	my ($path, $origin) = @_;
1339		1972
1340	#warn "find<$path,$origin>\n";#d#
1341
1342	$path = new cf::path $path, $origin && $origin->path;	1973	$path = normalise $path, $origin && $origin->path;
1343	my $key = $path->as_string;
1344		1974
		1975	cf::lock_wait "map_data:$path";#d#remove
1345	cf::lock_wait "map_find:$key";	1976	cf::lock_wait "map_find:$path";
1346		1977
1347	$cf::MAP{$key} || do {	1978	$cf::MAP{$path} || do {
		1979	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1348	my $guard = cf::lock_acquire "map_find:$key";	1980	my $guard2 = cf::lock_acquire "map_find:$path";
1349		1981
1350	# do it the slow way	1982	my $map = new_from_path cf::map $path
1351	my $map = try_load_header $path->save_path;
1352
1353	Coro::cede;
1354
1355	if ($map) {
1356	$map->last_access ((delete $map->{last_access})
1357	|| $cf::RUNTIME); #d#
1358	# safety
1359	$map->{instantiate_time} = $cf::RUNTIME
1360	if $map->{instantiate_time} > $cf::RUNTIME;
1361	} else {
1362	if (my $rmp = $path->random_map_params) {
1363	$map = generate_random_map $key, $rmp;
1364	} else {
1365	$map = try_load_header $path->load_path;
1366	}
1367
1368	$map or return;	1983	or return;
1369		1984
1370	$map->{load_original} = 1;
1371	$map->{instantiate_time} = $cf::RUNTIME;
1372	$map->last_access ($cf::RUNTIME);
1373	$map->instantiate;
1374
1375	# per-player maps become, after loading, normal maps
1376	$map->per_player (0) if $path->{user_rel};
1377	}
1378
1379	$map->path ($key);
1380	$map->{path} = $path;
1381	$map->{last_save} = $cf::RUNTIME;	1985	$map->{last_save} = $cf::RUNTIME;
1382		1986
1383	Coro::cede;	1987	$map->load_header
		1988	or return;
1384		1989
1385	if ($map->should_reset) {	1990	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1991	# doing this can freeze the server in a sync job, obviously
		1992	#$cf::WAIT_FOR_TICK->wait;
		1993	undef $guard2;
		1994	undef $guard1;
1386	$map->reset;	1995	$map->reset;
1387	undef $guard;
1388	$map = find $path	1996	return find $path;
1389	or return;
1390	}	1997	}
1391		1998
1392	$cf::MAP{$key} = $map	1999	$cf::MAP{$path} = $map
1393	}	2000	}
1394	}	2001	}
		2002
		2003	sub pre_load { }
		2004	sub post_load { }
1395		2005
1396	sub load {	2006	sub load {
1397	my ($self) = @_;	2007	my ($self) = @_;
1398		2008
		2009	local $self->{deny_reset} = 1; # loading can take a long time
		2010
1399	my $path = $self->{path};	2011	my $path = $self->{path};
		2012
		2013	{
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2014	my $guard = cf::lock_acquire "map_data:$path";
1401		2015
		2016	return unless $self->valid;
1402	return if $self->in_memory != cf::MAP_SWAPPED;	2017	return unless $self->in_memory == cf::MAP_SWAPPED;
1403		2018
1404	$self->in_memory (cf::MAP_LOADING);	2019	$self->in_memory (cf::MAP_LOADING);
1405		2020
1406	$self->alloc;	2021	$self->alloc;
1407	$self->load_objects ($self->{load_path}, 1)	2022
		2023	$self->pre_load;
		2024	cf::cede_to_tick;
		2025
		2026	my $f = new_from_file cf::object::thawer $self->{load_path};
		2027	$f->skip_block;
		2028	$self->_load_objects ($f)
1408	or return;	2029	or return;
1409		2030
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2031	$self->post_load_original
1411	if delete $self->{load_original};	2032	if delete $self->{load_original};
1412		2033
1413	if (my $uniq = $path->uniq_path) {	2034	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	2035	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	2036	unless (aio_stat $uniq) {
		2037	if (my $f = new_from_file cf::object::thawer $uniq) {
1416	$self->clear_unique_items;	2038	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	2039	$self->_load_objects ($f);
		2040	$f->resolve_delayed_derefs;
		2041	}
1418	}	2042	}
1419	}	2043	}
1420		2044
1421	Coro::cede;	2045	$f->resolve_delayed_derefs;
1422		2046
		2047	cf::cede_to_tick;
1423	# now do the right thing for maps	2048	# now do the right thing for maps
1424	$self->link_multipart_objects;	2049	$self->link_multipart_objects;
1425
1426	if ($self->{path}->is_style_map) {
1427	$self->{deny_save} = 1;
1428	$self->{deny_reset} = 1;
1429	} else {
1430	$self->fix_auto_apply;
1431	$self->decay_objects;
1432	$self->update_buttons;
1433	$self->set_darkness_map;
1434	$self->difficulty ($self->estimate_difficulty)	2050	$self->difficulty ($self->estimate_difficulty)
1435	unless $self->difficulty;	2051	unless $self->difficulty;
		2052	cf::cede_to_tick;
		2053
		2054	unless ($self->{deny_activate}) {
		2055	$self->decay_objects;
		2056	$self->fix_auto_apply;
		2057	$self->update_buttons;
		2058	cf::cede_to_tick;
		2059	$self->set_darkness_map;
		2060	cf::cede_to_tick;
1436	$self->activate;	2061	$self->activate;
1437	}	2062	}
1438		2063
1439	Coro::cede;	2064	$self->{last_save} = $cf::RUNTIME;
		2065	$self->last_access ($cf::RUNTIME);
1440		2066
1441	$self->in_memory (cf::MAP_IN_MEMORY);	2067	$self->in_memory (cf::MAP_ACTIVE);
		2068	}
		2069
		2070	$self->post_load;
		2071	}
		2072
		2073	sub customise_for {
		2074	my ($self, $ob) = @_;
		2075
		2076	return find "~" . $ob->name . "/" . $self->{path}
		2077	if $self->per_player;
		2078
		2079	# return find "?party/" . $ob->name . "/" . $self->{path}
		2080	# if $self->per_party;
		2081
		2082	$self
1442	}	2083	}
1443		2084
1444	# find and load all maps in the 3x3 area around a map	2085	# find and load all maps in the 3x3 area around a map
1445	sub load_diag {	2086	sub load_neighbours {
1446	my ($map) = @_;	2087	my ($map) = @_;
1447		2088
1448	my @diag; # diagonal neighbours	2089	my @neigh; # diagonal neighbours
1449		2090
1450	for (0 .. 3) {	2091	for (0 .. 3) {
1451	my $neigh = $map->tile_path ($_)	2092	my $neigh = $map->tile_path ($_)
1452	or next;	2093	or next;
1453	$neigh = find $neigh, $map	2094	$neigh = find $neigh, $map
1454	or next;	2095	or next;
1455	$neigh->load;	2096	$neigh->load;
1456		2097
		2098	push @neigh,
1457	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2099	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1458	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2100	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1459	}	2101	}
1460		2102
1461	for (@diag) {	2103	for (grep defined $_->[0], @neigh) {
		2104	my ($path, $origin) = @$_;
1462	my $neigh = find @$_	2105	my $neigh = find $path, $origin
1463	or next;	2106	or next;
1464	$neigh->load;	2107	$neigh->load;
1465	}	2108	}
1466	}	2109	}
1467		2110
…		…
1472	}	2115	}
1473		2116
1474	sub do_load_sync {	2117	sub do_load_sync {
1475	my ($map) = @_;	2118	my ($map) = @_;
1476		2119
		2120	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2121	if $Coro::current == $Coro::main;
		2122
1477	cf::sync_job { $map->load };	2123	cf::sync_job { $map->load };
1478	}	2124	}
1479		2125
1480	our %MAP_PREFETCH;	2126	our %MAP_PREFETCH;
		2127	our $MAP_PREFETCHER = undef;
		2128
		2129	sub find_async {
		2130	my ($path, $origin, $load) = @_;
		2131
		2132	$path = normalise $path, $origin && $origin->{path};
		2133
		2134	if (my $map = $cf::MAP{$path}) {
		2135	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2136	}
		2137
		2138	$MAP_PREFETCH{$path} |= $load;
		2139
1481	our $MAP_PREFETCHER = Coro::async {	2140	$MAP_PREFETCHER ||= cf::async {
1482	while () {	2141	$Coro::current->{desc} = "map prefetcher";
		2142
1483	while (%MAP_PREFETCH) {	2143	while (%MAP_PREFETCH) {
1484	my $key = each %MAP_PREFETCH	2144	while (my ($k, $v) = each %MAP_PREFETCH) {
1485	or next;	2145	if (my $map = find $k) {
		2146	$map->load if $v;
		2147	}
		2148
1486	my $path = delete $MAP_PREFETCH{$key};	2149	delete $MAP_PREFETCH{$k};
1487
1488	my $map = find $path
1489	or next;
1490	$map->load;
1491	}	2150	}
1492	Coro::schedule;	2151	}
		2152	undef $MAP_PREFETCHER;
1493	}	2153	};
1494	};
1495
1496	sub find_async {
1497	my ($path, $origin) = @_;
1498
1499	$path = new cf::path $path, $origin && $origin->path;
1500	my $key = $path->as_string;
1501
1502	if (my $map = $cf::MAP{$key}) {
1503	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1504	}
1505
1506	$MAP_PREFETCH{$key} = $path;
1507	$MAP_PREFETCHER->ready;	2154	$MAP_PREFETCHER->prio (6);
1508		2155
1509	()	2156	()
1510	}	2157	}
1511		2158
1512	sub save {	2159	sub save {
1513	my ($self) = @_;	2160	my ($self) = @_;
1514		2161
1515	my $lock = cf::lock_acquire "map_data:" . $self->path;	2162	my $lock = cf::lock_acquire "map_data:$self->{path}";
1516		2163
1517	$self->{last_save} = $cf::RUNTIME;	2164	$self->{last_save} = $cf::RUNTIME;
1518		2165
1519	return unless $self->dirty;	2166	return unless $self->dirty;
1520		2167
1521	my $save = $self->{path}->save_path; utf8::encode $save;	2168	my $save = $self->save_path; utf8::encode $save;
1522	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2169	my $uniq = $self->uniq_path; utf8::encode $uniq;
1523		2170
1524	$self->{load_path} = $save;	2171	$self->{load_path} = $save;
1525		2172
1526	return if $self->{deny_save};	2173	return if $self->{deny_save};
1527		2174
1528	local $self->{last_access} = $self->last_access;#d#	2175	local $self->{last_access} = $self->last_access;#d#
1529		2176
1530	cf::async {	2177	cf::async {
		2178	$Coro::current->{desc} = "map player save";
1531	$_->contr->save for $self->players;	2179	$_->contr->save for $self->players;
1532	};	2180	};
1533		2181
		2182	cf::get_slot 0.02;
		2183
1534	if ($uniq) {	2184	if ($uniq) {
1535	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2185	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1536	$self->save_objects ($uniq, cf::IO_UNIQUES);	2186	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1537	} else {	2187	} else {
1538	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2188	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1539	}	2189	}
1540	}	2190	}
1541		2191
1542	sub swap_out {	2192	sub swap_out {
1543	my ($self) = @_;	2193	my ($self) = @_;
1544		2194
1545	# save first because save cedes	2195	# save first because save cedes
1546	$self->save;	2196	$self->save;
1547		2197
1548	my $lock = cf::lock_acquire "map_data:" . $self->path;	2198	my $lock = cf::lock_acquire "map_data:$self->{path}";
1549		2199
1550	return if $self->players;	2200	return if $self->players;
1551	return if $self->in_memory != cf::MAP_IN_MEMORY;	2201	return if $self->in_memory != cf::MAP_ACTIVE;
1552	return if $self->{deny_save};	2202	return if $self->{deny_save};
1553		2203
		2204	$self->in_memory (cf::MAP_SWAPPED);
		2205
		2206	$self->deactivate;
		2207	$_->clear_links_to ($self) for values %cf::MAP;
1554	$self->clear;	2208	$self->clear;
1555	$self->in_memory (cf::MAP_SWAPPED);
1556	}	2209	}
1557		2210
1558	sub reset_at {	2211	sub reset_at {
1559	my ($self) = @_;	2212	my ($self) = @_;
1560		2213
1561	# TODO: safety, remove and allow resettable per-player maps	2214	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->{path}{user_rel};
1563	return 1e99 if $self->{deny_reset};	2215	return 1e99 if $self->{deny_reset};
1564		2216
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2217	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2218	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		2219
…		…
1572	my ($self) = @_;	2224	my ($self) = @_;
1573		2225
1574	$self->reset_at <= $cf::RUNTIME	2226	$self->reset_at <= $cf::RUNTIME
1575	}	2227	}
1576		2228
1577	sub unlink_save {
1578	my ($self) = @_;
1579
1580	utf8::encode (my $save = $self->{path}->save_path);
1581	aioreq_pri 3; IO::AIO::aio_unlink $save;
1582	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1583	}
1584
1585	sub rename {
1586	my ($self, $new_path) = @_;
1587
1588	$self->unlink_save;
1589
1590	delete $cf::MAP{$self->path};
1591	$self->{path} = new cf::path $new_path;
1592	$self->path ($self->{path}->as_string);
1593	$cf::MAP{$self->path} = $self;
1594
1595	$self->save;
1596	}
1597
1598	sub reset {	2229	sub reset {
1599	my ($self) = @_;	2230	my ($self) = @_;
1600		2231
1601	my $lock = cf::lock_acquire "map_data:" . $self->path;	2232	my $lock = cf::lock_acquire "map_data:$self->{path}";
1602		2233
1603	return if $self->players;	2234	return if $self->players;
1604	return if $self->{path}{user_rel};#d#
1605		2235
1606	warn "resetting map ", $self->path;#d#	2236	warn "resetting map ", $self->path;
		2237
		2238	$self->in_memory (cf::MAP_SWAPPED);
		2239
		2240	# need to save uniques path
		2241	unless ($self->{deny_save}) {
		2242	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2243
		2244	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2245	if $uniq;
		2246	}
1607		2247
1608	delete $cf::MAP{$self->path};	2248	delete $cf::MAP{$self->path};
1609		2249
		2250	$self->deactivate;
1610	$_->clear_links_to ($self) for values %cf::MAP;	2251	$_->clear_links_to ($self) for values %cf::MAP;
		2252	$self->clear;
1611		2253
1612	$self->unlink_save;	2254	$self->unlink_save;
1613	$self->destroy;	2255	$self->destroy;
1614	}	2256	}
1615		2257
1616	my $nuke_counter = "aaaa";	2258	my $nuke_counter = "aaaa";
1617		2259
1618	sub nuke {	2260	sub nuke {
1619	my ($self) = @_;	2261	my ($self) = @_;
1620		2262
		2263	{
		2264	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2265
		2266	delete $cf::MAP{$self->path};
		2267
		2268	$self->unlink_save;
		2269
		2270	bless $self, "cf::map";
		2271	delete $self->{deny_reset};
1621	$self->{deny_save} = 1;	2272	$self->{deny_save} = 1;
1622	$self->reset_timeout (1);	2273	$self->reset_timeout (1);
1623	$self->rename ("{nuke}/" . ($nuke_counter++));	2274	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2275
		2276	$cf::MAP{$self->path} = $self;
		2277	}
		2278
1624	$self->reset; # polite request, might not happen	2279	$self->reset; # polite request, might not happen
1625	}	2280	}
1626		2281
1627	sub customise_for {	2282	=item $maps = cf::map::tmp_maps
1628	my ($map, $ob) = @_;
1629		2283
1630	if ($map->per_player) {	2284	Returns an arrayref with all map paths of currently instantiated and saved
1631	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2285	maps. May block.
		2286
		2287	=cut
		2288
		2289	sub tmp_maps() {
1632	}	2290	[
1633		2291	map {
1634	$map	2292	utf8::decode $_;
		2293	/\.map$/
		2294	? normalise $_
		2295	: ()
		2296	} @{ aio_readdir $TMPDIR or [] }
		2297	]
1635	}	2298	}
1636		2299
1637	package cf;	2300	=item $maps = cf::map::random_maps
		2301
		2302	Returns an arrayref with all map paths of currently instantiated and saved
		2303	random maps. May block.
		2304
		2305	=cut
		2306
		2307	sub random_maps() {
		2308	[
		2309	map {
		2310	utf8::decode $_;
		2311	/\.map$/
		2312	? normalise "?random/$_"
		2313	: ()
		2314	} @{ aio_readdir $RANDOMDIR or [] }
		2315	]
		2316	}
		2317
		2318	=item cf::map::unique_maps
		2319
		2320	Returns an arrayref of paths of all shared maps that have
		2321	instantiated unique items. May block.
		2322
		2323	=cut
		2324
		2325	sub unique_maps() {
		2326	[
		2327	map {
		2328	utf8::decode $_;
		2329	s/\.map$//; # TODO future compatibility hack
		2330	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2331	? ()
		2332	: normalise $_
		2333	} @{ aio_readdir $UNIQUEDIR or [] }
		2334	]
		2335	}
1638		2336
1639	=back	2337	=back
1640		2338
1641	=head3 cf::object	2339	=head3 cf::object
1642		2340
…		…
1646		2344
1647	=over 4	2345	=over 4
1648		2346
1649	=item $ob->inv_recursive	2347	=item $ob->inv_recursive
1650		2348
1651	Returns the inventory of the object _and_ their inventories, recursively.	2349	Returns the inventory of the object I<and> their inventories, recursively,
		2350	but I<not> the object itself.
1652		2351
1653	=cut	2352	=cut
1654		2353
1655	sub inv_recursive_;	2354	sub inv_recursive_;
1656	sub inv_recursive_ {	2355	sub inv_recursive_ {
…		…
1659		2358
1660	sub inv_recursive {	2359	sub inv_recursive {
1661	inv_recursive_ inv $_[0]	2360	inv_recursive_ inv $_[0]
1662	}	2361	}
1663		2362
		2363	=item $ref = $ob->ref
		2364
		2365	Creates and returns a persistent reference to an object that can be stored as a string.
		2366
		2367	=item $ob = cf::object::deref ($refstring)
		2368
		2369	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2370	even if the object actually exists. May block.
		2371
		2372	=cut
		2373
		2374	sub deref {
		2375	my ($ref) = @_;
		2376
		2377	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2378	my ($uuid, $name) = ($1, $2);
		2379	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2380	or return;
		2381	$pl->ob->uuid eq $uuid
		2382	or return;
		2383
		2384	$pl->ob
		2385	} else {
		2386	warn "$ref: cannot resolve object reference\n";
		2387	undef
		2388	}
		2389	}
		2390
1664	package cf;	2391	package cf;
1665		2392
1666	=back	2393	=back
1667		2394
1668	=head3 cf::object::player	2395	=head3 cf::object::player
…		…
1674	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2401	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1675	can be C<undef>. Does the right thing when the player is currently in a	2402	can be C<undef>. Does the right thing when the player is currently in a
1676	dialogue with the given NPC character.	2403	dialogue with the given NPC character.
1677		2404
1678	=cut	2405	=cut
		2406
		2407	our $SAY_CHANNEL = {
		2408	id => "say",
		2409	title => "Map",
		2410	reply => "say ",
		2411	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2412	};
		2413
		2414	our $CHAT_CHANNEL = {
		2415	id => "chat",
		2416	title => "Chat",
		2417	reply => "chat ",
		2418	tooltip => "Player chat and shouts, global to the server.",
		2419	};
1679		2420
1680	# rough implementation of a future "reply" method that works	2421	# rough implementation of a future "reply" method that works
1681	# with dialog boxes.	2422	# with dialog boxes.
1682	#TODO: the first argument must go, split into a $npc->reply_to ( method	2423	#TODO: the first argument must go, split into a $npc->reply_to ( method
1683	sub cf::object::player::reply($$$;$) {	2424	sub cf::object::player::reply($$$;$) {
…		…
1685		2426
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2427	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2428
1688	if ($self->{record_replies}) {	2429	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2430	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2431
1690	} else {	2432	} else {
		2433	my $pl = $self->contr;
		2434
		2435	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2436	my $dialog = $pl->{npc_dialog};
		2437	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2438
		2439	} else {
1691	$msg = $npc->name . " says: $msg" if $npc;	2440	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2441	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2442	}
1693	}	2443	}
		2444	}
		2445
		2446	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2447
		2448	=cut
		2449
		2450	sub cf::object::send_msg {
		2451	my $pl = shift->contr
		2452	or return;
		2453	$pl->send_msg (@_);
1694	}	2454	}
1695		2455
1696	=item $player_object->may ("access")	2456	=item $player_object->may ("access")
1697		2457
1698	Returns wether the given player is authorized to access resource "access"	2458	Returns wether the given player is authorized to access resource "access"
…		…
1711		2471
1712	=item $player_object->enter_link	2472	=item $player_object->enter_link
1713		2473
1714	Freezes the player and moves him/her to a special map (C<{link}>).	2474	Freezes the player and moves him/her to a special map (C<{link}>).
1715		2475
1716	The player should be reaosnably safe there for short amounts of time. You	2476	The player should be reasonably safe there for short amounts of time (e.g.
1717	I<MUST> call C<leave_link> as soon as possible, though.	2477	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2478	though, as the palyer cannot control the character while it is on the link
		2479	map.
		2480
		2481	Will never block.
1718		2482
1719	=item $player_object->leave_link ($map, $x, $y)	2483	=item $player_object->leave_link ($map, $x, $y)
1720		2484
1721	Moves the player out of the specila link map onto the given map. If the	2485	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	2486	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	2487	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	2488	fails, to the emergency map position.
1725		2489
1726	Might block.	2490	Might block.
1727		2491
1728	=cut	2492	=cut
		2493
		2494	sub link_map {
		2495	unless ($LINK_MAP) {
		2496	$LINK_MAP = cf::map::find "{link}"
		2497	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2498	$LINK_MAP->load;
		2499	}
		2500
		2501	$LINK_MAP
		2502	}
1729		2503
1730	sub cf::object::player::enter_link {	2504	sub cf::object::player::enter_link {
1731	my ($self) = @_;	2505	my ($self) = @_;
1732		2506
1733	$self->deactivate_recursive;	2507	$self->deactivate_recursive;
1734		2508
1735	return if $self->map == $LINK_MAP;	2509	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		2510
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2511	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	2512	if $self->map && $self->map->{path} ne "{link}";
1739		2513
1740	$self->enter_map ($LINK_MAP, 20, 20);	2514	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	2515	}
1742		2516
1743	sub cf::object::player::leave_link {	2517	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	2518	my ($self, $map, $x, $y) = @_;
		2519
		2520	return unless $self->contr->active;
1745		2521
1746	my $link_pos = delete $self->{_link_pos};	2522	my $link_pos = delete $self->{_link_pos};
1747		2523
1748	unless ($map) {	2524	unless ($map) {
1749	# restore original map position	2525	# restore original map position
…		…
1763	# use -1 or undef as default coordinates, not 0, 0	2539	# use -1 or undef as default coordinates, not 0, 0
1764	($x, $y) = ($map->enter_x, $map->enter_y)	2540	($x, $y) = ($map->enter_x, $map->enter_y)
1765	if $x <=0 && $y <= 0;	2541	if $x <=0 && $y <= 0;
1766		2542
1767	$map->load;	2543	$map->load;
1768	$map->load_diag;	2544	$map->load_neighbours;
1769		2545
1770	return unless $self->contr->active;	2546	return unless $self->contr->active;
		2547	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1771	$self->activate_recursive;	2548	$self->activate_recursive;
		2549
		2550	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772	$self->enter_map ($map, $x, $y);	2551	$self->enter_map ($map, $x, $y);
1773	}	2552	}
1774		2553
1775	cf::player->attach (	2554	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1776	on_logout => sub {
1777	my ($pl) = @_;
1778		2555
1779	# abort map switching before logout	2556	Moves the player to the given map-path and coordinates by first freezing
1780	if ($pl->ob->{_link_pos}) {	2557	her, loading and preparing them map, calling the provided $check callback
1781	cf::sync_job {	2558	that has to return the map if sucecssful, and then unfreezes the player on
1782	$pl->ob->leave_link	2559	the new (success) or old (failed) map position. In either case, $done will
1783	};	2560	be called at the end of this process.
1784	}
1785	},
1786	on_login => sub {
1787	my ($pl) = @_;
1788		2561
1789	# try to abort aborted map switching on player login :)	2562	Note that $check will be called with a potentially non-loaded map, so if
1790	# should happen only on crashes	2563	it needs a loaded map it has to call C<< ->load >>.
1791	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;
1793	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);
1800	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;
1802	})->prio (2);
1803	}
1804	},
1805	);
1806		2564
1807	=item $player_object->goto ($path, $x, $y)
1808
1809	=cut	2565	=cut
		2566
		2567	our $GOTOGEN;
1810		2568
1811	sub cf::object::player::goto {	2569	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	2570	my ($self, $path, $x, $y, $check, $done) = @_;
1813		2571
1814	$path = new cf::path $path;	2572	# do generation counting so two concurrent goto's will be executed in-order
1815	$path ne "/" or Carp::cluck ("oy");#d#	2573	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1816		2574
1817	$self->enter_link;	2575	$self->enter_link;
1818		2576
1819	(async {	2577	(async {
1820	my $map = cf::map::find $path->as_string;	2578	$Coro::current->{desc} = "player::goto $path $x $y";
		2579
		2580	# *tag paths override both path and x|y
		2581	if ($path =~ /^\*(.*)$/) {
		2582	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2583	my $ob = $obs[rand @obs];
		2584
		2585	# see if we actually can go there
		2586	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2587	$ob = $obs[rand @obs];
		2588	} else {
		2589	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2590	}
		2591	# else put us there anyways for now #d#
		2592
		2593	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2594	} else {
		2595	($path, $x, $y) = (undef, undef, undef);
		2596	}
		2597	}
		2598
		2599	my $map = eval {
		2600	my $map = defined $path ? cf::map::find $path : undef;
		2601
		2602	if ($map) {
1821	$map = $map->customise_for ($self) if $map;	2603	$map = $map->customise_for ($self);
1822		2604	$map = $check->($map) if $check && $map;
1823	# warn "entering ", $map->path, " at ($x, $y)\n"	2605	} else {
1824	# if $map;
1825
1826	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2606	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2607	}
1827		2608
		2609	$map
		2610	};
		2611
		2612	if ($@) {
		2613	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2614	LOG llevError | logBacktrace, Carp::longmess $@;
		2615	}
		2616
		2617	if ($gen == $self->{_goto_generation}) {
		2618	delete $self->{_goto_generation};
1828	$self->leave_link ($map, $x, $y);	2619	$self->leave_link ($map, $x, $y);
		2620	}
		2621
		2622	$done->() if $done;
1829	})->prio (1);	2623	})->prio (1);
1830	}	2624	}
1831		2625
1832	=item $player_object->enter_exit ($exit_object)	2626	=item $player_object->enter_exit ($exit_object)
1833		2627
…		…
1835		2629
1836	sub parse_random_map_params {	2630	sub parse_random_map_params {
1837	my ($spec) = @_;	2631	my ($spec) = @_;
1838		2632
1839	my $rmp = { # defaults	2633	my $rmp = { # defaults
1840	xsize => 10,	2634	xsize => (cf::rndm 15, 40),
1841	ysize => 10,	2635	ysize => (cf::rndm 15, 40),
		2636	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2637	#layout => string,
1842	};	2638	};
1843		2639
1844	for (split /\n/, $spec) {	2640	for (split /\n/, $spec) {
1845	my ($k, $v) = split /\s+/, $_, 2;	2641	my ($k, $v) = split /\s+/, $_, 2;
1846		2642
…		…
1858	# that depends on the exit object	2654	# that depends on the exit object
1859		2655
1860	my $rmp = parse_random_map_params $exit->msg;	2656	my $rmp = parse_random_map_params $exit->msg;
1861		2657
1862	if ($exit->map) {	2658	if ($exit->map) {
1863	$rmp->{region} = $exit->map->region_name;	2659	$rmp->{region} = $exit->region->name;
1864	$rmp->{origin_map} = $exit->map->path;	2660	$rmp->{origin_map} = $exit->map->path;
1865	$rmp->{origin_x} = $exit->x;	2661	$rmp->{origin_x} = $exit->x;
1866	$rmp->{origin_y} = $exit->y;	2662	$rmp->{origin_y} = $exit->y;
		2663
		2664	$exit->map->touch;
1867	}	2665	}
1868		2666
1869	$rmp->{random_seed} ||= $exit->random_seed;	2667	$rmp->{random_seed} ||= $exit->random_seed;
1870		2668
1871	my $data = cf::to_json $rmp;	2669	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1872	my $md5 = Digest::MD5::md5_hex $data;	2670	my $md5 = Digest::MD5::md5_hex $data;
		2671	my $meta = "$RANDOMDIR/$md5.meta";
1873		2672
1874	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2673	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1875	aio_write $fh, 0, (length $data), $data, 0;	2674	aio_write $fh, 0, (length $data), $data, 0;
		2675	undef $fh;
		2676	aio_rename "$meta~", $meta;
1876		2677
		2678	my $slaying = "?random/$md5";
		2679
		2680	if ($exit->valid) {
1877	$exit->slaying ("?random/$md5");	2681	$exit->slaying ("?random/$md5");
1878	$exit->msg (undef);	2682	$exit->msg (undef);
		2683	}
1879	}	2684	}
1880	}	2685	}
1881		2686
1882	sub cf::object::player::enter_exit {	2687	sub cf::object::player::enter_exit {
1883	my ($self, $exit) = @_;	2688	my ($self, $exit) = @_;
…		…
1885	return unless $self->type == cf::PLAYER;	2690	return unless $self->type == cf::PLAYER;
1886		2691
1887	$self->enter_link;	2692	$self->enter_link;
1888		2693
1889	(async {	2694	(async {
1890	$self->deactivate_recursive; # just to be sure	2695	$Coro::current->{desc} = "enter_exit";
		2696
1891	unless (eval {	2697	unless (eval {
		2698	$self->deactivate_recursive; # just to be sure
		2699
		2700	# random map handling
		2701	{
		2702	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2703
1892	prepare_random_map $exit	2704	prepare_random_map $exit
1893	if $exit->slaying eq "/!";	2705	if $exit->slaying eq "/!";
		2706	}
1894		2707
1895	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2708	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1896	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2709	my $x = $exit->stats->hp;
		2710	my $y = $exit->stats->sp;
1897		2711
		2712	$self->goto ($map, $x, $y);
		2713
		2714	# if exit is damned, update players death & WoR home-position
		2715	$self->contr->savebed ($map, $x, $y)
		2716	if $exit->flag (cf::FLAG_DAMNED);
		2717
1898	1;	2718	1
1899	}) {	2719	}) {
1900	$self->message ("Something went wrong deep within the crossfire server. "	2720	$self->message ("Something went wrong deep within the deliantra server. "
1901	. "I'll try to bring you back to the map you were before. "	2721	. "I'll try to bring you back to the map you were before. "
1902	. "Please report this to the dungeon master",	2722	. "Please report this to the dungeon master!",
1903	cf::NDI_UNIQUE | cf::NDI_RED);	2723	cf::NDI_UNIQUE | cf::NDI_RED);
1904		2724
1905	warn "ERROR in enter_exit: $@";	2725	warn "ERROR in enter_exit: $@";
1906	$self->leave_link;	2726	$self->leave_link;
1907	}	2727	}
1908	})->prio (1);	2728	})->prio (1);
…		…
1921		2741
1922	sub cf::client::send_drawinfo {	2742	sub cf::client::send_drawinfo {
1923	my ($self, $text, $flags) = @_;	2743	my ($self, $text, $flags) = @_;
1924		2744
1925	utf8::encode $text;	2745	utf8::encode $text;
1926	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2746	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1927	}	2747	}
1928		2748
		2749	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2750
		2751	Send a drawinfo or msg packet to the client, formatting the msg for the
		2752	client if neccessary. C<$type> should be a string identifying the type of
		2753	the message, with C<log> being the default. If C<$color> is negative, suppress
		2754	the message unless the client supports the msg packet.
		2755
		2756	=cut
		2757
		2758	# non-persistent channels (usually the info channel)
		2759	our %CHANNEL = (
		2760	"c/identify" => {
		2761	id => "infobox",
		2762	title => "Identify",
		2763	reply => undef,
		2764	tooltip => "Items recently identified",
		2765	},
		2766	"c/examine" => {
		2767	id => "infobox",
		2768	title => "Examine",
		2769	reply => undef,
		2770	tooltip => "Signs and other items you examined",
		2771	},
		2772	"c/book" => {
		2773	id => "infobox",
		2774	title => "Book",
		2775	reply => undef,
		2776	tooltip => "The contents of a note or book",
		2777	},
		2778	"c/lookat" => {
		2779	id => "infobox",
		2780	title => "Look",
		2781	reply => undef,
		2782	tooltip => "What you saw there",
		2783	},
		2784	"c/who" => {
		2785	id => "infobox",
		2786	title => "Players",
		2787	reply => undef,
		2788	tooltip => "Shows players who are currently online",
		2789	},
		2790	"c/body" => {
		2791	id => "infobox",
		2792	title => "Body Parts",
		2793	reply => undef,
		2794	tooltip => "Shows which body parts you posess and are available",
		2795	},
		2796	"c/skills" => {
		2797	id => "infobox",
		2798	title => "Skills",
		2799	reply => undef,
		2800	tooltip => "Shows your experience per skill and item power",
		2801	},
		2802	"c/uptime" => {
		2803	id => "infobox",
		2804	title => "Uptime",
		2805	reply => undef,
		2806	tooltip => "How long the server has been running since last restart",
		2807	},
		2808	"c/mapinfo" => {
		2809	id => "infobox",
		2810	title => "Map Info",
		2811	reply => undef,
		2812	tooltip => "Information related to the maps",
		2813	},
		2814	"c/party" => {
		2815	id => "party",
		2816	title => "Party",
		2817	reply => "gsay ",
		2818	tooltip => "Messages and chat related to your party",
		2819	},
		2820	);
		2821
		2822	sub cf::client::send_msg {
		2823	my ($self, $channel, $msg, $color, @extra) = @_;
		2824
		2825	$msg = $self->pl->expand_cfpod ($msg)
		2826	unless $color & cf::NDI_VERBATIM;
		2827
		2828	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2829
		2830	# check predefined channels, for the benefit of C
		2831	if ($CHANNEL{$channel}) {
		2832	$channel = $CHANNEL{$channel};
		2833
		2834	$self->ext_msg (channel_info => $channel)
		2835	if $self->can_msg;
		2836
		2837	$channel = $channel->{id};
		2838
		2839	} elsif (ref $channel) {
		2840	# send meta info to client, if not yet sent
		2841	unless (exists $self->{channel}{$channel->{id}}) {
		2842	$self->{channel}{$channel->{id}} = $channel;
		2843	$self->ext_msg (channel_info => $channel)
		2844	if $self->can_msg;
		2845	}
		2846
		2847	$channel = $channel->{id};
		2848	}
		2849
		2850	return unless @extra || length $msg;
		2851
		2852	if ($self->can_msg) {
		2853	# default colour, mask it out
		2854	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2855	if $color & cf::NDI_DEF;
		2856
		2857	my $pkt = "msg "
		2858	. $self->{json_coder}->encode (
		2859	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2860	);
		2861
		2862	# try lzf for large packets
		2863	$pkt = "lzf " . Compress::LZF::compress $pkt
		2864	if 1024 <= length $pkt and $self->{can_lzf};
		2865
		2866	# split very large packets
		2867	if (8192 < length $pkt and $self->{can_lzf}) {
		2868	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2869	$pkt = "frag";
		2870	}
		2871
		2872	$self->send_packet ($pkt);
		2873	} else {
		2874	if ($color >= 0) {
		2875	# replace some tags by gcfclient-compatible ones
		2876	for ($msg) {
		2877	1 while
		2878	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2879	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2880	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2881	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2882	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2883	}
		2884
		2885	$color &= cf::NDI_COLOR_MASK;
		2886
		2887	utf8::encode $msg;
		2888
		2889	if (0 && $msg =~ /\[/) {
		2890	# COMMAND/INFO
		2891	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2892	} else {
		2893	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2894	$self->send_packet ("drawinfo $color $msg")
		2895	}
		2896	}
		2897	}
		2898	}
		2899
		2900	=item $client->ext_msg ($type, @msg)
		2901
		2902	Sends an ext event to the client.
		2903
		2904	=cut
		2905
		2906	sub cf::client::ext_msg($$@) {
		2907	my ($self, $type, @msg) = @_;
		2908
		2909	if ($self->extcmd == 2) {
		2910	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2911	} elsif ($self->extcmd == 1) { # TODO: remove
		2912	push @msg, msgtype => "event_$type";
		2913	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2914	}
		2915	}
		2916
		2917	=item $client->ext_reply ($msgid, @msg)
		2918
		2919	Sends an ext reply to the client.
		2920
		2921	=cut
		2922
		2923	sub cf::client::ext_reply($$@) {
		2924	my ($self, $id, @msg) = @_;
		2925
		2926	if ($self->extcmd == 2) {
		2927	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2928	} elsif ($self->extcmd == 1) {
		2929	#TODO: version 1, remove
		2930	unshift @msg, msgtype => "reply", msgid => $id;
		2931	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2932	}
		2933	}
1929		2934
1930	=item $success = $client->query ($flags, "text", \&cb)	2935	=item $success = $client->query ($flags, "text", \&cb)
1931		2936
1932	Queues a query to the client, calling the given callback with	2937	Queues a query to the client, calling the given callback with
1933	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2938	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1934	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2939	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1935		2940
1936	Queries can fail, so check the return code. Or don't, as queries will become	2941	Queries can fail, so check the return code. Or don't, as queries will
1937	reliable at some point in the future.	2942	become reliable at some point in the future.
1938		2943
1939	=cut	2944	=cut
1940		2945
1941	sub cf::client::query {	2946	sub cf::client::query {
1942	my ($self, $flags, $text, $cb) = @_;	2947	my ($self, $flags, $text, $cb) = @_;
…		…
1950	utf8::encode $text;	2955	utf8::encode $text;
1951	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2956	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1952		2957
1953	$self->send_packet ($self->{query_queue}[0][0])	2958	$self->send_packet ($self->{query_queue}[0][0])
1954	if @{ $self->{query_queue} } == 1;	2959	if @{ $self->{query_queue} } == 1;
		2960
		2961	1
1955	}	2962	}
1956		2963
1957	cf::client->attach (	2964	cf::client->attach (
		2965	on_connect => sub {
		2966	my ($ns) = @_;
		2967
		2968	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2969	},
1958	on_reply => sub {	2970	on_reply => sub {
1959	my ($ns, $msg) = @_;	2971	my ($ns, $msg) = @_;
1960		2972
1961	# this weird shuffling is so that direct followup queries	2973	# this weird shuffling is so that direct followup queries
1962	# get handled first	2974	# get handled first
1963	my $queue = delete $ns->{query_queue}	2975	my $queue = delete $ns->{query_queue}
1964	or return; # be conservative, not sure how that can happen, but we saw a crash here	2976	or return; # be conservative, not sure how that can happen, but we saw a crash here
1965		2977
1966	(shift @$queue)->[1]->($msg);	2978	(shift @$queue)->[1]->($msg);
		2979	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1967		2980
1968	push @{ $ns->{query_queue} }, @$queue;	2981	push @{ $ns->{query_queue} }, @$queue;
1969		2982
1970	if (@{ $ns->{query_queue} } == @$queue) {	2983	if (@{ $ns->{query_queue} } == @$queue) {
1971	if (@$queue) {	2984	if (@$queue) {
…		…
1973	} else {	2986	} else {
1974	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2987	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1975	}	2988	}
1976	}	2989	}
1977	},	2990	},
		2991	on_exticmd => sub {
		2992	my ($ns, $buf) = @_;
		2993
		2994	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2995
		2996	if (ref $msg) {
		2997	my ($type, $reply, @payload) =
		2998	"ARRAY" eq ref $msg
		2999	? @$msg
		3000	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3001
		3002	my @reply;
		3003
		3004	if (my $cb = $EXTICMD{$type}) {
		3005	@reply = $cb->($ns, @payload);
		3006	}
		3007
		3008	$ns->ext_reply ($reply, @reply)
		3009	if $reply;
		3010
		3011	} else {
		3012	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3013	}
		3014
		3015	cf::override;
		3016	},
1978	);	3017	);
1979		3018
1980	=item $client->async (\&cb)	3019	=item $client->async (\&cb)
1981		3020
1982	Create a new coroutine, running the specified callback. The coroutine will	3021	Create a new coroutine, running the specified callback. The coroutine will
…		…
2023	our $safe = new Safe "safe";	3062	our $safe = new Safe "safe";
2024	our $safe_hole = new Safe::Hole;	3063	our $safe_hole = new Safe::Hole;
2025		3064
2026	$SIG{FPE} = 'IGNORE';	3065	$SIG{FPE} = 'IGNORE';
2027		3066
2028	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3067	$safe->permit_only (Opcode::opset qw(
		3068	:base_core :base_mem :base_orig :base_math
		3069	grepstart grepwhile mapstart mapwhile
		3070	sort time
		3071	));
2029		3072
2030	# here we export the classes and methods available to script code	3073	# here we export the classes and methods available to script code
2031		3074
2032	=pod	3075	=pod
2033		3076
2034	The following fucntions and emthods are available within a safe environment:	3077	The following functions and methods are available within a safe environment:
2035		3078
2036	cf::object contr pay_amount pay_player map	3079	cf::object
		3080	contr pay_amount pay_player map x y force_find force_add destroy
		3081	insert remove name archname title slaying race decrease split
		3082
2037	cf::object::player player	3083	cf::object::player
2038	cf::player peaceful	3084	player
2039	cf::map trigger	3085
		3086	cf::player
		3087	peaceful
		3088
		3089	cf::map
		3090	trigger
2040		3091
2041	=cut	3092	=cut
2042		3093
2043	for (	3094	for (
2044	["cf::object" => qw(contr pay_amount pay_player map)],	3095	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3096	insert remove inv nrof name archname title slaying race
		3097	decrease split destroy change_exp)],
2045	["cf::object::player" => qw(player)],	3098	["cf::object::player" => qw(player)],
2046	["cf::player" => qw(peaceful)],	3099	["cf::player" => qw(peaceful)],
2047	["cf::map" => qw(trigger)],	3100	["cf::map" => qw(trigger)],
2048	) {	3101	) {
2049	no strict 'refs';	3102	no strict 'refs';
…		…
2120	=back	3173	=back
2121		3174
2122	=cut	3175	=cut
2123		3176
2124	#############################################################################	3177	#############################################################################
		3178	# the server's init and main functions
2125		3179
2126	=head2 EXTENSION DATABASE SUPPORT	3180	sub load_facedata($) {
		3181	my ($path) = @_;
2127		3182
2128	Crossfire maintains a very simple database for extension use. It can	3183	# HACK to clear player env face cache, we need some signal framework
2129	currently store anything that can be serialised using Storable, which	3184	# for this (global event?)
2130	excludes objects.	3185	%ext::player_env::MUSIC_FACE_CACHE = ();
2131		3186
2132	The parameter C<$family> should best start with the name of the extension	3187	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2133	using it, it should be unique.
2134		3188
2135	=over 4	3189	warn "loading facedata from $path\n";
2136		3190
2137	=item $hashref = cf::db_get $family	3191	my $facedata;
		3192	0 < aio_load $path, $facedata
		3193	or die "$path: $!";
2138		3194
2139	Return a hashref for use by the extension C<$family>, which can be	3195	$facedata = Coro::Storable::thaw $facedata;
2140	modified. After modifications, you have to call C<cf::db_dirty> or
2141	C<cf::db_sync>.
2142		3196
2143	=item $value = cf::db_get $family => $key	3197	$facedata->{version} == 2
		3198	or cf::cleanup "$path: version mismatch, cannot proceed.";
2144		3199
2145	Returns a single value from the database	3200	# patch in the exptable
2146		3201	$facedata->{resource}{"res/exp_table"} = {
2147	=item cf::db_put $family => $hashref	3202	type => FT_RSRC,
2148		3203	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2149	Stores the given family hashref into the database. Updates are delayed, if
2150	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2151
2152	=item cf::db_put $family => $key => $value
2153
2154	Stores the given C<$value> in the family hash. Updates are delayed, if you
2155	want the data to be synced to disk immediately, use C<cf::db_sync>.
2156
2157	=item cf::db_dirty
2158
2159	Marks the database as dirty, to be updated at a later time.
2160
2161	=item cf::db_sync
2162
2163	Immediately write the database to disk I<if it is dirty>.
2164
2165	=cut
2166
2167	our $DB;
2168
2169	{
2170	my $path = cf::localdir . "/database.pst";
2171
2172	sub db_load() {
2173	$DB = stat $path ? Storable::retrieve $path : { };
2174	}
2175
2176	my $pid;
2177
2178	sub db_save() {
2179	waitpid $pid, 0 if $pid;
2180	if (0 == ($pid = fork)) {
2181	$DB->{_meta}{version} = 1;
2182	Storable::nstore $DB, "$path~";
2183	rename "$path~", $path;
2184	cf::_exit 0 if defined $pid;
2185	}
2186	}
2187
2188	my $dirty;
2189
2190	sub db_sync() {
2191	db_save if $dirty;
2192	undef $dirty;
2193	}
2194
2195	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2196	db_sync;
2197	});	3204	};
		3205	cf::cede_to_tick;
2198		3206
2199	sub db_dirty() {
2200	$dirty = 1;
2201	$idle->start;
2202	}	3207	{
		3208	my $faces = $facedata->{faceinfo};
2203		3209
2204	sub db_get($;$) {	3210	while (my ($face, $info) = each %$faces) {
2205	@_ >= 2	3211	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2206	? $DB->{$_[0]}{$_[1]}
2207	: ($DB->{$_[0]} ||= { })
2208	}
2209		3212
2210	sub db_put($$;$) {	3213	cf::face::set_visibility $idx, $info->{visibility};
2211	if (@_ >= 3) {	3214	cf::face::set_magicmap $idx, $info->{magicmap};
2212	$DB->{$_[0]}{$_[1]} = $_[2];	3215	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2213	} else {	3216	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2214	$DB->{$_[0]} = $_[1];
2215	}
2216	db_dirty;
2217	}
2218		3217
2219	cf::global->attach (	3218	cf::cede_to_tick;
2220	prio => 10000,
2221	on_cleanup => sub {
2222	db_sync;
2223	},	3219	}
2224	);
2225	}
2226		3220
2227	#############################################################################	3221	while (my ($face, $info) = each %$faces) {
2228	# the server's main()	3222	next unless $info->{smooth};
2229		3223
2230	sub cfg_load {	3224	my $idx = cf::face::find $face
		3225	or next;
		3226
		3227	if (my $smooth = cf::face::find $info->{smooth}) {
		3228	cf::face::set_smooth $idx, $smooth;
		3229	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3230	} else {
		3231	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3232	}
		3233
		3234	cf::cede_to_tick;
		3235	}
		3236	}
		3237
		3238	{
		3239	my $anims = $facedata->{animinfo};
		3240
		3241	while (my ($anim, $info) = each %$anims) {
		3242	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3243	cf::cede_to_tick;
		3244	}
		3245
		3246	cf::anim::invalidate_all; # d'oh
		3247	}
		3248
		3249	{
		3250	# TODO: for gcfclient pleasure, we should give resources
		3251	# that gcfclient doesn't grok a >10000 face index.
		3252	my $res = $facedata->{resource};
		3253
		3254	while (my ($name, $info) = each %$res) {
		3255	if (defined $info->{type}) {
		3256	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3257	my $data;
		3258
		3259	if ($info->{type} & 1) {
		3260	# prepend meta info
		3261
		3262	my $meta = $enc->encode ({
		3263	name => $name,
		3264	%{ $info->{meta} || {} },
		3265	});
		3266
		3267	$data = pack "(w/a*)*", $meta, $info->{data};
		3268	} else {
		3269	$data = $info->{data};
		3270	}
		3271
		3272	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3273	cf::face::set_type $idx, $info->{type};
		3274	} else {
		3275	$RESOURCE{$name} = $info;
		3276	}
		3277
		3278	cf::cede_to_tick;
		3279	}
		3280	}
		3281
		3282	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3283
		3284	1
		3285	}
		3286
		3287	cf::global->attach (on_resource_update => sub {
		3288	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3289	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3290
		3291	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3292	my $sound = $soundconf->{compat}[$_]
		3293	or next;
		3294
		3295	my $face = cf::face::find "sound/$sound->[1]";
		3296	cf::sound::set $sound->[0] => $face;
		3297	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3298	}
		3299
		3300	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3301	my $face = cf::face::find "sound/$v";
		3302	cf::sound::set $k => $face;
		3303	}
		3304	}
		3305	});
		3306
		3307	register_exticmd fx_want => sub {
		3308	my ($ns, $want) = @_;
		3309
		3310	while (my ($k, $v) = each %$want) {
		3311	$ns->fx_want ($k, $v);
		3312	}
		3313	};
		3314
		3315	sub load_resource_file($) {
		3316	my $guard = lock_acquire "load_resource_file";
		3317
		3318	my $status = load_resource_file_ $_[0];
		3319	get_slot 0.1, 100;
		3320	cf::arch::commit_load;
		3321
		3322	$status
		3323	}
		3324
		3325	sub reload_regions {
		3326	# HACK to clear player env face cache, we need some signal framework
		3327	# for this (global event?)
		3328	%ext::player_env::MUSIC_FACE_CACHE = ();
		3329
		3330	load_resource_file "$MAPDIR/regions"
		3331	or die "unable to load regions file\n";
		3332
		3333	for (cf::region::list) {
		3334	$_->{match} = qr/$_->{match}/
		3335	if exists $_->{match};
		3336	}
		3337	}
		3338
		3339	sub reload_facedata {
		3340	load_facedata "$DATADIR/facedata"
		3341	or die "unable to load facedata\n";
		3342	}
		3343
		3344	sub reload_archetypes {
		3345	load_resource_file "$DATADIR/archetypes"
		3346	or die "unable to load archetypes\n";
		3347	}
		3348
		3349	sub reload_treasures {
		3350	load_resource_file "$DATADIR/treasures"
		3351	or die "unable to load treasurelists\n";
		3352	}
		3353
		3354	sub reload_resources {
		3355	warn "reloading resource files...\n";
		3356
		3357	reload_facedata;
		3358	reload_archetypes;
		3359	reload_regions;
		3360	reload_treasures;
		3361
		3362	warn "finished reloading resource files\n";
		3363	}
		3364
		3365	sub reload_config {
2231	open my $fh, "<:utf8", cf::confdir . "/config"	3366	open my $fh, "<:utf8", "$CONFDIR/config"
2232	or return;	3367	or return;
2233		3368
2234	local $/;	3369	local $/;
2235	*CFG = YAML::Syck::Load <$fh>;	3370	*CFG = YAML::Load <$fh>;
2236		3371
2237	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3372	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2238		3373
2239	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3374	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2240	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3375	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2246	};	3381	};
2247	warn $@ if $@;	3382	warn $@ if $@;
2248	}	3383	}
2249	}	3384	}
2250		3385
		3386	sub pidfile() {
		3387	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3388	or die "$PIDFILE: $!";
		3389	flock $fh, &Fcntl::LOCK_EX
		3390	or die "$PIDFILE: flock: $!";
		3391	$fh
		3392	}
		3393
		3394	# make sure only one server instance is running at any one time
		3395	sub atomic {
		3396	my $fh = pidfile;
		3397
		3398	my $pid = <$fh>;
		3399	kill 9, $pid if $pid > 0;
		3400
		3401	seek $fh, 0, 0;
		3402	print $fh $$;
		3403	}
		3404
2251	sub main {	3405	sub main {
		3406	cf::init_globals; # initialise logging
		3407
		3408	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3409	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3410	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3411	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3412
		3413	cf::init_experience;
		3414	cf::init_anim;
		3415	cf::init_attackmess;
		3416	cf::init_dynamic;
		3417	cf::init_block;
		3418
		3419	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3420
2252	# we must not ever block the main coroutine	3421	# we must not ever block the main coroutine
2253	local $Coro::idle = sub {	3422	local $Coro::idle = sub {
2254	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3423	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2255	async { Event::one_event };	3424	(async {
		3425	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3426	EV::loop EV::LOOP_ONESHOT;
		3427	})->prio (Coro::PRIO_MAX);
2256	};	3428	};
2257		3429
2258	cfg_load;	3430	evthread_start IO::AIO::poll_fileno;
2259	db_load;	3431
		3432	cf::sync_job {
		3433	reload_resources;
		3434	reload_config;
		3435	db_init;
		3436
		3437	cf::load_settings;
		3438	cf::load_materials;
		3439	cf::init_uuid;
		3440	cf::init_signals;
		3441	cf::init_commands;
		3442	cf::init_skills;
		3443
		3444	cf::init_beforeplay;
		3445
		3446	atomic;
		3447
2260	load_extensions;	3448	load_extensions;
		3449
		3450	utime time, time, $RUNTIMEFILE;
		3451
		3452	# no (long-running) fork's whatsoever before this point(!)
		3453	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3454
		3455	(pop @POST_INIT)->(0) while @POST_INIT;
		3456	};
		3457
2261	Event::loop;	3458	EV::loop;
2262	}	3459	}
2263		3460
2264	#############################################################################	3461	#############################################################################
2265	# initialisation and cleanup	3462	# initialisation and cleanup
2266		3463
2267	# install some emergency cleanup handlers	3464	# install some emergency cleanup handlers
2268	BEGIN {	3465	BEGIN {
		3466	our %SIGWATCHER = ();
2269	for my $signal (qw(INT HUP TERM)) {	3467	for my $signal (qw(INT HUP TERM)) {
2270	Event->signal (	3468	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2271	data => WF_AUTOCANCEL,
2272	signal => $signal,
2273	cb => sub {
2274	cf::cleanup "SIG$signal";	3469	cf::cleanup "SIG$signal";
2275	},
2276	);	3470	};
		3471	}
		3472	}
		3473
		3474	sub write_runtime_sync {
		3475	# first touch the runtime file to show we are still running:
		3476	# the fsync below can take a very very long time.
		3477
		3478	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3479
		3480	my $guard = cf::lock_acquire "write_runtime";
		3481
		3482	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3483	or return;
		3484
		3485	my $value = $cf::RUNTIME + 90 + 10;
		3486	# 10 is the runtime save interval, for a monotonic clock
		3487	# 60 allows for the watchdog to kill the server.
		3488
		3489	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3490	and return;
		3491
		3492	# always fsync - this file is important
		3493	aio_fsync $fh
		3494	and return;
		3495
		3496	# touch it again to show we are up-to-date
		3497	aio_utime $fh, undef, undef;
		3498
		3499	close $fh
		3500	or return;
		3501
		3502	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3503	and return;
		3504
		3505	warn "runtime file written.\n";
		3506
2277	}	3507	1
		3508	}
		3509
		3510	our $uuid_lock;
		3511	our $uuid_skip;
		3512
		3513	sub write_uuid_sync($) {
		3514	$uuid_skip ||= $_[0];
		3515
		3516	return if $uuid_lock;
		3517	local $uuid_lock = 1;
		3518
		3519	my $uuid = "$LOCALDIR/uuid";
		3520
		3521	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3522	or return;
		3523
		3524	my $value = uuid_seq uuid_cur;
		3525
		3526	unless ($value) {
		3527	warn "cowardly refusing to write zero uuid value!\n";
		3528	return;
		3529	}
		3530
		3531	my $value = uuid_str $value + $uuid_skip;
		3532	$uuid_skip = 0;
		3533
		3534	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3535	and return;
		3536
		3537	# always fsync - this file is important
		3538	aio_fsync $fh
		3539	and return;
		3540
		3541	close $fh
		3542	or return;
		3543
		3544	aio_rename "$uuid~", $uuid
		3545	and return;
		3546
		3547	warn "uuid file written ($value).\n";
		3548
		3549	1
		3550
		3551	}
		3552
		3553	sub write_uuid($$) {
		3554	my ($skip, $sync) = @_;
		3555
		3556	$sync ? write_uuid_sync $skip
		3557	: async { write_uuid_sync $skip };
2278	}	3558	}
2279		3559
2280	sub emergency_save() {	3560	sub emergency_save() {
2281	my $freeze_guard = cf::freeze_mainloop;	3561	my $freeze_guard = cf::freeze_mainloop;
2282		3562
2283	warn "enter emergency perl save\n";	3563	warn "enter emergency perl save\n";
2284		3564
2285	cf::sync_job {	3565	cf::sync_job {
2286	# use a peculiar iteration method to avoid tripping on perl	3566	# use a peculiar iteration method to avoid tripping on perl
2287	# refcount bugs in for. also avoids problems with players	3567	# refcount bugs in for. also avoids problems with players
2288	# and maps saved/Destroyed asynchronously.	3568	# and maps saved/destroyed asynchronously.
2289	warn "begin emergency player save\n";	3569	warn "begin emergency player save\n";
2290	for my $login (keys %cf::PLAYER) {	3570	for my $login (keys %cf::PLAYER) {
2291	my $pl = $cf::PLAYER{$login} or next;	3571	my $pl = $cf::PLAYER{$login} or next;
2292	$pl->valid or next;	3572	$pl->valid or next;
		3573	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2293	$pl->save;	3574	$pl->save;
2294	}	3575	}
2295	warn "end emergency player save\n";	3576	warn "end emergency player save\n";
2296		3577
2297	warn "begin emergency map save\n";	3578	warn "begin emergency map save\n";
…		…
2299	my $map = $cf::MAP{$path} or next;	3580	my $map = $cf::MAP{$path} or next;
2300	$map->valid or next;	3581	$map->valid or next;
2301	$map->save;	3582	$map->save;
2302	}	3583	}
2303	warn "end emergency map save\n";	3584	warn "end emergency map save\n";
		3585
		3586	warn "begin emergency database checkpoint\n";
		3587	BDB::db_env_txn_checkpoint $DB_ENV;
		3588	warn "end emergency database checkpoint\n";
		3589
		3590	warn "begin write uuid\n";
		3591	write_uuid_sync 1;
		3592	warn "end write uuid\n";
2304	};	3593	};
2305		3594
2306	warn "leave emergency perl save\n";	3595	warn "leave emergency perl save\n";
2307	}	3596	}
2308		3597
		3598	sub post_cleanup {
		3599	my ($make_core) = @_;
		3600
		3601	warn Carp::longmess "post_cleanup backtrace"
		3602	if $make_core;
		3603
		3604	my $fh = pidfile;
		3605	unlink $PIDFILE if <$fh> == $$;
		3606	}
		3607
		3608	# a safer delete_package, copied from Symbol
		3609	sub clear_package($) {
		3610	my $pkg = shift;
		3611
		3612	# expand to full symbol table name if needed
		3613	unless ($pkg =~ /^main::.*::$/) {
		3614	$pkg = "main$pkg" if $pkg =~ /^::/;
		3615	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3616	$pkg .= '::' unless $pkg =~ /::$/;
		3617	}
		3618
		3619	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3620	my $stem_symtab = *{$stem}{HASH};
		3621
		3622	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3623	or return;
		3624
		3625	# clear all symbols
		3626	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3627	for my $name (keys %$leaf_symtab) {
		3628	_gv_clear *{"$pkg$name"};
		3629	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3630	}
		3631	warn "cleared package $pkg\n";#d#
		3632	}
		3633
2309	sub reload() {	3634	sub do_reload_perl() {
2310	# can/must only be called in main	3635	# can/must only be called in main
2311	if ($Coro::current != $Coro::main) {	3636	if ($Coro::current != $Coro::main) {
2312	warn "can only reload from main coroutine\n";	3637	warn "can only reload from main coroutine";
2313	return;	3638	return;
2314	}	3639	}
2315		3640
		3641	return if $RELOAD++;
		3642
		3643	while ($RELOAD) {
2316	warn "reloading...";	3644	warn "reloading...";
2317		3645
2318	my $guard = freeze_mainloop;	3646	warn "entering sync_job";
		3647
		3648	cf::sync_job {
		3649	cf::write_runtime_sync; # external watchdog should not bark
2319	cf::emergency_save;	3650	cf::emergency_save;
		3651	cf::write_runtime_sync; # external watchdog should not bark
2320		3652
2321	eval {	3653	warn "syncing database to disk";
		3654	BDB::db_env_txn_checkpoint $DB_ENV;
		3655
2322	# if anything goes wrong in here, we should simply crash as we already saved	3656	# if anything goes wrong in here, we should simply crash as we already saved
2323		3657
2324	# cancel all watchers	3658	warn "flushing outstanding aio requests";
2325	for (Event::all_watchers) {	3659	while (IO::AIO::nreqs || BDB::nreqs) {
2326	$_->cancel if $_->data & WF_AUTOCANCEL;	3660	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2327	}
2328
2329	# cancel all extension coros
2330	$_->cancel for values %EXT_CORO;
2331	%EXT_CORO = ();
2332
2333	# unload all extensions
2334	for (@exts) {
2335	warn "unloading <$_>";
2336	unload_extension $_;
2337	}
2338
2339	# unload all modules loaded from $LIBDIR
2340	while (my ($k, $v) = each %INC) {
2341	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2342
2343	warn "removing <$k>";
2344	delete $INC{$k};
2345
2346	$k =~ s/\.pm$//;
2347	$k =~ s/\//::/g;
2348
2349	if (my $cb = $k->can ("unload_module")) {
2350	$cb->();
2351	}	3661	}
2352		3662
2353	Symbol::delete_package $k;	3663	warn "cancelling all extension coros";
		3664	$_->cancel for values %EXT_CORO;
		3665	%EXT_CORO = ();
		3666
		3667	warn "removing commands";
		3668	%COMMAND = ();
		3669
		3670	warn "removing ext/exti commands";
		3671	%EXTCMD = ();
		3672	%EXTICMD = ();
		3673
		3674	warn "unloading/nuking all extensions";
		3675	for my $pkg (@EXTS) {
		3676	warn "... unloading $pkg";
		3677
		3678	if (my $cb = $pkg->can ("unload")) {
		3679	eval {
		3680	$cb->($pkg);
		3681	1
		3682	} or warn "$pkg unloaded, but with errors: $@";
		3683	}
		3684
		3685	warn "... clearing $pkg";
		3686	clear_package $pkg;
2354	}	3687	}
2355		3688
2356	# sync database to disk	3689	warn "unloading all perl modules loaded from $LIBDIR";
2357	cf::db_sync;	3690	while (my ($k, $v) = each %INC) {
2358	IO::AIO::flush;	3691	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2359		3692
		3693	warn "... unloading $k";
		3694	delete $INC{$k};
		3695
		3696	$k =~ s/\.pm$//;
		3697	$k =~ s/\//::/g;
		3698
		3699	if (my $cb = $k->can ("unload_module")) {
		3700	$cb->();
		3701	}
		3702
		3703	clear_package $k;
		3704	}
		3705
2360	# get rid of safe::, as good as possible	3706	warn "getting rid of safe::, as good as possible";
2361	Symbol::delete_package "safe::$_"	3707	clear_package "safe::$_"
2362	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3708	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2363		3709
2364	# remove register_script_function callbacks	3710	warn "unloading cf.pm \"a bit\"";
2365	# TODO
2366
2367	# unload cf.pm "a bit"
2368	delete $INC{"cf.pm"};	3711	delete $INC{"cf.pm"};
		3712	delete $INC{"cf/pod.pm"};
2369		3713
2370	# don't, removes xs symbols, too,	3714	# don't, removes xs symbols, too,
2371	# and global variables created in xs	3715	# and global variables created in xs
2372	#Symbol::delete_package __PACKAGE__;	3716	#clear_package __PACKAGE__;
2373		3717
2374	# reload cf.pm	3718	warn "unload completed, starting to reload now";
		3719
2375	warn "reloading cf.pm";	3720	warn "reloading cf.pm";
2376	require cf;	3721	require cf;
2377	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3722	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2378		3723
2379	# load config and database again	3724	warn "loading config and database again";
2380	cf::cfg_load;	3725	cf::reload_config;
2381	cf::db_load;
2382		3726
2383	# load extensions
2384	warn "load extensions";	3727	warn "loading extensions";
2385	cf::load_extensions;	3728	cf::load_extensions;
2386		3729
2387	# reattach attachments to objects	3730	warn "reattaching attachments to objects/players";
2388	warn "reattach";	3731	_global_reattach; # objects, sockets
2389	_global_reattach;	3732	warn "reattaching attachments to maps";
2390	reattach $_ for values %MAP;	3733	reattach $_ for values %MAP;
		3734	warn "reattaching attachments to players";
		3735	reattach $_ for values %PLAYER;
		3736
		3737	warn "running post_load";
		3738	(pop @POST_INIT)->(1) while @POST_INIT;
		3739
		3740	warn "leaving sync_job";
		3741
		3742	1
		3743	} or do {
		3744	warn $@;
		3745	cf::cleanup "error while reloading, exiting.";
		3746	};
		3747
		3748	warn "reloaded";
		3749	--$RELOAD;
		3750	}
		3751	};
		3752
		3753	our $RELOAD_WATCHER; # used only during reload
		3754
		3755	sub reload_perl() {
		3756	# doing reload synchronously and two reloads happen back-to-back,
		3757	# coro crashes during coro_state_free->destroy here.
		3758
		3759	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
		3760	do_reload_perl;
		3761	undef $RELOAD_WATCHER;
2391	};	3762	};
2392
2393	if ($@) {
2394	warn $@;
2395	warn "error while reloading, exiting.";
2396	exit 1;
2397	}
2398
2399	warn "reloaded successfully";
2400	};
2401
2402	#############################################################################
2403
2404	unless ($LINK_MAP) {
2405	$LINK_MAP = cf::map::new;
2406
2407	$LINK_MAP->width (41);
2408	$LINK_MAP->height (41);
2409	$LINK_MAP->alloc;
2410	$LINK_MAP->path ("{link}");
2411	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2412	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2413
2414	# dirty hack because... archetypes are not yet loaded
2415	Event->timer (
2416	after => 10,
2417	cb => sub {
2418	$_[0]->w->cancel;
2419
2420	# provide some exits "home"
2421	my $exit = cf::object::new "exit";
2422
2423	$exit->slaying ($EMERGENCY_POSITION->[0]);
2424	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2425	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2426
2427	$LINK_MAP->insert ($exit->clone, 19, 19);
2428	$LINK_MAP->insert ($exit->clone, 19, 20);
2429	$LINK_MAP->insert ($exit->clone, 19, 21);
2430	$LINK_MAP->insert ($exit->clone, 20, 19);
2431	$LINK_MAP->insert ($exit->clone, 20, 21);
2432	$LINK_MAP->insert ($exit->clone, 21, 19);
2433	$LINK_MAP->insert ($exit->clone, 21, 20);
2434	$LINK_MAP->insert ($exit->clone, 21, 21);
2435
2436	$exit->destroy;
2437	});
2438
2439	$LINK_MAP->{deny_save} = 1;
2440	$LINK_MAP->{deny_reset} = 1;
2441
2442	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2443	}	3763	}
2444
2445	register "<global>", __PACKAGE__;
2446		3764
2447	register_command "reload" => sub {	3765	register_command "reload" => sub {
2448	my ($who, $arg) = @_;	3766	my ($who, $arg) = @_;
2449		3767
2450	if ($who->flag (FLAG_WIZ)) {	3768	if ($who->flag (FLAG_WIZ)) {
2451	$who->message ("start of reload.");
2452	reload;
2453	$who->message ("end of reload.");	3769	$who->message ("reloading server.");
		3770	async {
		3771	$Coro::current->{desc} = "perl_reload";
		3772	reload_perl;
		3773	};
2454	}	3774	}
2455	};	3775	};
2456		3776
2457	unshift @INC, $LIBDIR;	3777	unshift @INC, $LIBDIR;
2458		3778
2459	$TICK_WATCHER = Event->timer (	3779	my $bug_warning = 0;
2460	reentrant => 0,	3780
2461	prio => 0,	3781	our @WAIT_FOR_TICK;
2462	at => $NEXT_TICK || $TICK,	3782	our @WAIT_FOR_TICK_BEGIN;
2463	data => WF_AUTOCANCEL,	3783
2464	cb => sub {	3784	sub wait_for_tick {
		3785	return if tick_inhibit || $Coro::current == $Coro::main;
		3786
		3787	my $signal = new Coro::Signal;
		3788	push @WAIT_FOR_TICK, $signal;
		3789	$signal->wait;
		3790	}
		3791
		3792	sub wait_for_tick_begin {
		3793	return if tick_inhibit || $Coro::current == $Coro::main;
		3794
		3795	my $signal = new Coro::Signal;
		3796	push @WAIT_FOR_TICK_BEGIN, $signal;
		3797	$signal->wait;
		3798	}
		3799
		3800	sub tick {
		3801	if ($Coro::current != $Coro::main) {
		3802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3803	unless ++$bug_warning > 10;
		3804	return;
		3805	}
		3806
2465	cf::server_tick; # one server iteration	3807	cf::server_tick; # one server iteration
2466	$RUNTIME += $TICK;
2467	$NEXT_TICK += $TICK;
2468		3808
2469	$WAIT_FOR_TICK->broadcast;	3809	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2470	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3810	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2471		3811	Coro::async_pool {
2472	# if we are delayed by four ticks or more, skip them all	3812	$Coro::current->{desc} = "runtime saver";
2473	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2474
2475	$TICK_WATCHER->at ($NEXT_TICK);
2476	$TICK_WATCHER->start;
2477	},
2478	);
2479
2480	IO::AIO::max_poll_time $TICK * 0.2;
2481
2482	Event->io (
2483	fd => IO::AIO::poll_fileno,
2484	poll => 'r',
2485	prio => 5,
2486	data => WF_AUTOCANCEL,
2487	cb => \&IO::AIO::poll_cb,
2488	);
2489
2490	Event->timer (
2491	data => WF_AUTOCANCEL,
2492	after => 0,
2493	interval => 10,
2494	cb => sub {
2495	(Coro::unblock_sub {
2496	write_runtime	3813	write_runtime_sync
2497	or warn "ERROR: unable to write runtime file: $!";	3814	or warn "ERROR: unable to write runtime file: $!";
2498	})->();	3815	};
2499	},	3816	}
2500	);	3817
		3818	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3819	$sig->send;
		3820	}
		3821	while (my $sig = shift @WAIT_FOR_TICK) {
		3822	$sig->send;
		3823	}
		3824
		3825	$LOAD = ($NOW - $TICK_START) / $TICK;
		3826	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3827
		3828	if (0) {
		3829	if ($NEXT_TICK) {
		3830	my $jitter = $TICK_START - $NEXT_TICK;
		3831	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3832	warn "jitter $JITTER\n";#d#
		3833	}
		3834	}
		3835	}
		3836
		3837	{
		3838	# configure BDB
		3839
		3840	BDB::min_parallel 8;
		3841	BDB::max_poll_reqs $TICK * 0.1;
		3842	$AnyEvent::BDB::WATCHER->priority (1);
		3843
		3844	unless ($DB_ENV) {
		3845	$DB_ENV = BDB::db_env_create;
		3846	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3847	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3848	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3849	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3850	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3851
		3852	cf::sync_job {
		3853	eval {
		3854	BDB::db_env_open
		3855	$DB_ENV,
		3856	$BDBDIR,
		3857	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3858	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3859	0666;
		3860
		3861	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3862	};
		3863
		3864	cf::cleanup "db_env_open(db): $@" if $@;
		3865	};
		3866	}
		3867
		3868	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3869	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3870	};
		3871	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3872	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3873	};
		3874	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3875	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3876	};
		3877	}
		3878
		3879	{
		3880	# configure IO::AIO
		3881
		3882	IO::AIO::min_parallel 8;
		3883	IO::AIO::max_poll_time $TICK * 0.1;
		3884	undef $AnyEvent::AIO::WATCHER;
		3885	}
		3886
		3887	my $_log_backtrace;
		3888
		3889	sub _log_backtrace {
		3890	my ($msg, @addr) = @_;
		3891
		3892	$msg =~ s/\n//;
		3893
		3894	# limit the # of concurrent backtraces
		3895	if ($_log_backtrace < 2) {
		3896	++$_log_backtrace;
		3897	my $perl_bt = Carp::longmess $msg;
		3898	async {
		3899	$Coro::current->{desc} = "abt $msg";
		3900
		3901	my @bt = fork_call {
		3902	@addr = map { sprintf "%x", $_ } @addr;
		3903	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3904	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3905	or die "addr2line: $!";
		3906
		3907	my @funcs;
		3908	my @res = <$fh>;
		3909	chomp for @res;
		3910	while (@res) {
		3911	my ($func, $line) = splice @res, 0, 2, ();
		3912	push @funcs, "[$func] $line";
		3913	}
		3914
		3915	@funcs
		3916	};
		3917
		3918	LOG llevInfo, "[ABT] $perl_bt\n";
		3919	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3920	LOG llevInfo, "[ABT] $_\n" for @bt;
		3921	--$_log_backtrace;
		3922	};
		3923	} else {
		3924	LOG llevInfo, "[ABT] $msg\n";
		3925	LOG llevInfo, "[ABT] [suppressed]\n";
		3926	}
		3927	}
		3928
		3929	# load additional modules
		3930	use cf::pod;
2501		3931
2502	END { cf::emergency_save }	3932	END { cf::emergency_save }
2503		3933
2504	1	3934	1
2505		3935

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