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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.161 by root, Thu Jan 11 00:16:58 2007 UTC vs.
Revision 1.466 by root, Thu Jan 8 03:03:24 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
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 qw(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
		37	use Guard ();
13	use Coro 3.3 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;	56	use Digest::MD5;
22	use Fcntl;	57	use Fcntl;
		58	use YAML ();
23	use IO::AIO 2.32 ();	59	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	60	use Time::HiRes;
		61	use Compress::LZF;
		62	use Digest::MD5 ();
26		63
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	64	AnyEvent::detect;
		65
		66	# configure various modules to our taste
		67	#
		68	$Storable::canonical = 1; # reduce rsync transfers
		69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
28		76
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	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		78
36	our %COMMAND = ();	79	our %COMMAND = ();
37	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
38		81
39	our @EXTS = (); # list of extension package names	82	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	83	our %EXTCMD = ();
		84	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
43		87
		88	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	89	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		90
47	our $TICK = MAX_TIME * 1e-6;	91	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	92	our $DATADIR = datadir;
		93	our $LIBDIR = "$DATADIR/ext";
		94	our $PODDIR = "$DATADIR/pod";
		95	our $MAPDIR = "$DATADIR/" . mapdir;
		96	our $LOCALDIR = localdir;
		97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		100	our $RANDOMDIR = "$LOCALDIR/random";
		101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
		106
		107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	109	our $NEXT_TICK;
50	our $NOW;	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
		114	our $BDB_TRICKLE_WATCHER;
		115	our $DB_ENV;
		116
		117	our @EXTRA_MODULES = qw(pod mapscript);
51		118
52	our %CFG;	119	our %CFG;
53		120
54	our $UPTIME; $UPTIME ||= time;	121	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	122	our $RUNTIME;
		123	our $NOW;
56		124
57	our %PLAYER; # all users	125	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	126	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map	127	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61		128
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	129	# used to convert map paths into valid unix filenames by replacing / by ∕
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	130	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		131
		132	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		133	our $LOADAVG; # same thing, but with alpha-smoothing
		134	our $JITTER; # average jitter
		135	our $TICK_START; # for load detecting purposes
		136
		137	our @POST_INIT;
		138
		139	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
64		140
65	binmode STDOUT;	141	binmode STDOUT;
66	binmode STDERR;	142	binmode STDERR;
67		143
68	# read virtual server time, if available	144	# read virtual server time, if available
69	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	145	unless ($RUNTIME || !-e $RUNTIMEFILE) {
70	open my $fh, "<", cf::localdir . "/runtime"	146	open my $fh, "<", $RUNTIMEFILE
71	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
72	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
73	}	149	}
74		150
75	mkdir cf::localdir;	151	mkdir $_
76	mkdir cf::localdir . "/" . cf::playerdir;	152	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
77	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;
80		153
81	# a special map that is always available
82	our $LINK_MAP;
83	our $EMERGENCY_POSITION;	154	our $EMERGENCY_POSITION;
		155
		156	sub cf::map::normalise;
84		157
85	#############################################################################	158	#############################################################################
86		159
87	=head2 GLOBAL VARIABLES	160	=head2 GLOBAL VARIABLES
88		161
…		…
95	=item $cf::RUNTIME	168	=item $cf::RUNTIME
96		169
97	The time this server has run, starts at 0 and is increased by $cf::TICK on	170	The time this server has run, starts at 0 and is increased by $cf::TICK on
98	every server tick.	171	every server tick.
99		172
100	=item $cf::LIBDIR	173	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		174	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		175	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
101		176
102	The perl library directory, where extensions and cf-specific modules can	177	Various directories - "/etc", read-only install directory, perl-library
103	be found. It will be added to C<@INC> automatically.	178	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		179	unique-items directory, player file directory, random maps directory and
		180	database environment.
104		181
105	=item $cf::NOW	182	=item $cf::NOW
106		183
107	The time of the last (current) server tick.	184	The time of the last (current) server tick.
108		185
109	=item $cf::TICK	186	=item $cf::TICK
110		187
111	The interval between server ticks, in seconds.	188	The interval between server ticks, in seconds.
112		189
		190	=item $cf::LOADAVG
		191
		192	The current CPU load on the server (alpha-smoothed), as a value between 0
		193	(none) and 1 (overloaded), indicating how much time is spent on processing
		194	objects per tick. Healthy values are < 0.5.
		195
		196	=item $cf::LOAD
		197
		198	The raw value load value from the last tick.
		199
113	=item %cf::CFG	200	=item %cf::CFG
114		201
115	Configuration for the server, loaded from C</etc/crossfire/config>, or	202	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
116	from wherever your confdir points to.	203	from wherever your confdir points to.
117		204
118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	205	=item cf::wait_for_tick, cf::wait_for_tick_begin
119		206
120	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	207	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
121	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	208	returns directly I<after> the tick processing (and consequently, can only wake one process
122	processing has been done. Call C<< ->wait >> on them to maximise the	209	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
123	window of cpu time available, or simply to synchronise to the server tick.	210
		211	=item @cf::INVOKE_RESULTS
		212
		213	This array contains the results of the last C<invoke ()> call. When
		214	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		215	that call.
124		216
125	=back	217	=back
126		218
127	=cut	219	=cut
128		220
129	BEGIN {	221	BEGIN {
130	*CORE::GLOBAL::warn = sub {	222	*CORE::GLOBAL::warn = sub {
131	my $msg = join "", @_;	223	my $msg = join "", @_;
132	utf8::encode $msg;
133		224
134	$msg .= "\n"	225	$msg .= "\n"
135	unless $msg =~ /\n$/;	226	unless $msg =~ /\n$/;
136		227
		228	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		229
137	LOG llevError, $msg;	230	LOG llevError, $msg;
138	};	231	};
139	}	232	}
		233
		234	$Coro::State::DIEHOOK = sub {
		235	return unless $^S eq 0; # "eq", not "=="
		236
		237	if ($Coro::current == $Coro::main) {#d#
		238	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		239	return;#d#
		240	}#d#
		241
		242	# kill coroutine otherwise
		243	warn Carp::longmess $_[0];
		244	Coro::terminate
		245	};
		246
		247	$SIG{__DIE__} = sub { }; #d#?
140		248
141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	249	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
142	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	250	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	251	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	252	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	253	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		254	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
146	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	255	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
147		256
148	# we bless all objects into (empty) derived classes to force a method lookup	257	# we bless all objects into (empty) derived classes to force a method lookup
149	# within the Safe compartment.	258	# within the Safe compartment.
150	for my $pkg (qw(	259	for my $pkg (qw(
151	cf::global cf::attachable	260	cf::global cf::attachable
152	cf::object cf::object::player	261	cf::object cf::object::player
153	cf::client cf::player	262	cf::client cf::player
154	cf::arch cf::living	263	cf::arch cf::living
		264	cf::map cf::mapspace
155	cf::map cf::party cf::region	265	cf::party cf::region
156	)) {	266	)) {
157	no strict 'refs';
158	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	267	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
159	}	268	}
160		269
161	$Event::DIED = sub {	270	$EV::DIED = sub {
162	warn "error in event callback: @_";	271	warn "error in event callback: @_";
163	};	272	};
		273
		274	#############################################################################
164		275
165	=head2 UTILITY FUNCTIONS	276	=head2 UTILITY FUNCTIONS
166		277
167	=over 4	278	=over 4
168		279
…		…
187	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	298	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
188	$d	299	$d
189	} || "[unable to dump $_[0]: '$@']";	300	} || "[unable to dump $_[0]: '$@']";
190	}	301	}
191		302
192	use JSON::Syck (); # TODO# replace by JSON::PC once working
193
194	=item $ref = cf::from_json $json	303	=item $ref = cf::decode_json $json
195		304
196	Converts a JSON string into the corresponding perl data structure.	305	Converts a JSON string into the corresponding perl data structure.
197		306
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	307	=item $json = cf::encode_json $ref
206		308
207	Converts a perl data structure into its JSON representation.	309	Converts a perl data structure into its JSON representation.
208		310
209	=cut	311	=cut
210		312
211	sub to_json($) {	313	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	314
213	JSON::Syck::Dump $_[0]	315	sub encode_json($) { $json_coder->encode ($_[0]) }
		316	sub decode_json($) { $json_coder->decode ($_[0]) }
		317
		318	=item cf::post_init { BLOCK }
		319
		320	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		321	but I<before> the server starts ticking again.
		322
		323	The cdoeblock will have a single boolean argument to indicate whether this
		324	is a reload or not.
		325
		326	=cut
		327
		328	sub post_init(&) {
		329	push @POST_INIT, shift;
214	}	330	}
215		331
216	=item cf::lock_wait $string	332	=item cf::lock_wait $string
217		333
218	Wait until the given lock is available. See cf::lock_acquire.	334	Wait until the given lock is available. See cf::lock_acquire.
219		335
220	=item my $lock = cf::lock_acquire $string	336	=item my $lock = cf::lock_acquire $string
221		337
222	Wait until the given lock is available and then acquires it and returns	338	Wait until the given lock is available and then acquires it and returns
223	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	339	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
224	for example when the coroutine gets canceled), the lock is automatically	340	for example when the coroutine gets canceled), the lock is automatically
225	returned.	341	returned.
226		342
		343	Locks are *not* recursive, locking from the same coro twice results in a
		344	deadlocked coro.
		345
227	Lock names should begin with a unique identifier (for example, cf::map::find	346	Lock names should begin with a unique identifier (for example, cf::map::find
228	uses map_find and cf::map::load uses map_load).	347	uses map_find and cf::map::load uses map_load).
229		348
230	=cut	349	=item $locked = cf::lock_active $string
231		350
232	our %LOCK;	351	Return true if the lock is currently active, i.e. somebody has locked it.
		352
		353	=cut
		354
		355	our $LOCKS = new Coro::SemaphoreSet;
233		356
234	sub lock_wait($) {	357	sub lock_wait($) {
235	my ($key) = @_;	358	$LOCKS->wait ($_[0]);
236
237	# wait for lock, if any
238	while ($LOCK{$key}) {
239	push @{ $LOCK{$key} }, $Coro::current;
240	Coro::schedule;
241	}
242	}	359	}
243		360
244	sub lock_acquire($) {	361	sub lock_acquire($) {
245	my ($key) = @_;	362	$LOCKS->guard ($_[0])
		363	}
246		364
247	# wait, to be sure we are not locked	365	sub lock_active($) {
248	lock_wait $key;	366	$LOCKS->count ($_[0]) < 1
249
250	$LOCK{$key} = [];
251
252	Coro::guard {
253	# wake up all waiters, to be on the safe side
254	$_->ready for @{ delete $LOCK{$key} };
255	}
256	}	367	}
257		368
258	sub freeze_mainloop {	369	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	370	tick_inhibit_inc;
260		371
261	my $guard = Coro::guard { $TICK_WATCHER->start };	372	&Guard::guard (\&tick_inhibit_dec);
262	$TICK_WATCHER->stop;	373	}
263	$guard	374
		375	=item cf::periodic $interval, $cb
		376
		377	Like EV::periodic, but randomly selects a starting point so that the actions
		378	get spread over timer.
		379
		380	=cut
		381
		382	sub periodic($$) {
		383	my ($interval, $cb) = @_;
		384
		385	my $start = rand List::Util::min 180, $interval;
		386
		387	EV::periodic $start, $interval, 0, $cb
		388	}
		389
		390	=item cf::get_slot $time[, $priority[, $name]]
		391
		392	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		393	This call blocks and returns only when you have at least C<$time> seconds
		394	of cpu time till the next tick. The slot is only valid till the next cede.
		395
		396	The optional C<$name> can be used to identify the job to run. It might be
		397	used for statistical purposes and should identify the same time-class.
		398
		399	Useful for short background jobs.
		400
		401	=cut
		402
		403	our @SLOT_QUEUE;
		404	our $SLOT_QUEUE;
		405
		406	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		407	$SLOT_QUEUE = Coro::async {
		408	$Coro::current->desc ("timeslot manager");
		409
		410	my $signal = new Coro::Signal;
		411
		412	while () {
		413	next_job:
		414	my $avail = cf::till_tick;
		415	if ($avail > 0.01) {
		416	for (0 .. $#SLOT_QUEUE) {
		417	if ($SLOT_QUEUE[$_][0] < $avail) {
		418	my $job = splice @SLOT_QUEUE, $_, 1, ();
		419	$job->[2]->send;
		420	Coro::cede;
		421	goto next_job;
		422	}
		423	}
		424	}
		425
		426	if (@SLOT_QUEUE) {
		427	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		428	push @cf::WAIT_FOR_TICK, $signal;
		429	$signal->wait;
		430	} else {
		431	Coro::schedule;
		432	}
		433	}
		434	};
		435
		436	sub get_slot($;$$) {
		437	return if tick_inhibit || $Coro::current == $Coro::main;
		438
		439	my ($time, $pri, $name) = @_;
		440
		441	$time = $TICK * .6 if $time > $TICK * .6;
		442	my $sig = new Coro::Signal;
		443
		444	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		445	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		446	$SLOT_QUEUE->ready;
		447	$sig->wait;
264	}	448	}
265		449
266	=item cf::async { BLOCK }	450	=item cf::async { BLOCK }
267		451
268	Currently the same as Coro::async_pool, meaning you cannot use	452	Currently the same as Coro::async_pool, meaning you cannot use
…		…
273		457
274	BEGIN { *async = \&Coro::async_pool }	458	BEGIN { *async = \&Coro::async_pool }
275		459
276	=item cf::sync_job { BLOCK }	460	=item cf::sync_job { BLOCK }
277		461
278	The design of crossfire+ requires that the main coro ($Coro::main) is	462	The design of Deliantra requires that the main coroutine ($Coro::main)
279	always able to handle events or runnable, as crossfire+ is only partly	463	is always able to handle events or runnable, as Deliantra is only
280	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	464	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		465	acceptable.
281		466
282	If it must be done, put the blocking parts into C<sync_job>. This will run	467	If it must be done, put the blocking parts into C<sync_job>. This will run
283	the given BLOCK in another coroutine while waiting for the result. The	468	the given BLOCK in another coroutine while waiting for the result. The
284	server will be frozen during this time, so the block should either finish	469	server will be frozen during this time, so the block should either finish
285	fast or be very important.	470	fast or be very important.
…		…
288		473
289	sub sync_job(&) {	474	sub sync_job(&) {
290	my ($job) = @_;	475	my ($job) = @_;
291		476
292	if ($Coro::current == $Coro::main) {	477	if ($Coro::current == $Coro::main) {
		478	my $time = EV::time;
		479
293	# this is the main coro, too bad, we have to block	480	# this is the main coro, too bad, we have to block
294	# till the operation succeeds, freezing the server :/	481	# till the operation succeeds, freezing the server :/
295		482
296	# TODO: use suspend/resume instead	483	LOG llevError, Carp::longmess "sync job";#d#
297	# (but this is cancel-safe)	484
298	my $freeze_guard = freeze_mainloop;	485	my $freeze_guard = freeze_mainloop;
299		486
300	my $busy = 1;	487	my $busy = 1;
301	my @res;	488	my @res;
302		489
303	(async {	490	(async {
		491	$Coro::current->desc ("sync job coro");
304	@res = eval { $job->() };	492	@res = eval { $job->() };
305	warn $@ if $@;	493	warn $@ if $@;
306	undef $busy;	494	undef $busy;
307	})->prio (Coro::PRIO_MAX);	495	})->prio (Coro::PRIO_MAX);
308		496
309	while ($busy) {	497	while ($busy) {
310	Coro::cede or Event::one_event;	498	if (Coro::nready) {
		499	Coro::cede_notself;
		500	} else {
		501	EV::loop EV::LOOP_ONESHOT;
311	}	502	}
		503	}
		504
		505	my $time = EV::time - $time;
		506
		507	$TICK_START += $time; # do not account sync jobs to server load
312		508
313	wantarray ? @res : $res[0]	509	wantarray ? @res : $res[0]
314	} else {	510	} else {
315	# we are in another coroutine, how wonderful, everything just works	511	# we are in another coroutine, how wonderful, everything just works
316		512
…		…
336	$EXT_CORO{$coro+0} = $coro;	532	$EXT_CORO{$coro+0} = $coro;
337		533
338	$coro	534	$coro
339	}	535	}
340		536
341	sub write_runtime {	537	=item fork_call { }, $args
342	my $runtime = cf::localdir . "/runtime";
343		538
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	539	Executes the given code block with the given arguments in a seperate
345	or return;	540	process, returning the results. Everything must be serialisable with
		541	Coro::Storable. May, of course, block. Note that the executed sub may
		542	never block itself or use any form of event handling.
346		543
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	544	=cut
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;
350		545
351	aio_fsync $fh	546	sub fork_call(&@) {
352	and return;	547	my ($cb, @args) = @_;
353		548
354	close $fh	549	# we seemingly have to make a local copy of the whole thing,
355	or return;	550	# otherwise perl prematurely frees the stuff :/
		551	# TODO: investigate and fix (likely this will be rather laborious)
356		552
357	aio_rename "$runtime~", $runtime	553	my @res = Coro::Util::fork_eval {
358	and return;	554	reset_signals;
		555	&$cb
		556	}, @args;
359		557
		558	wantarray ? @res : $res[-1]
		559	}
		560
		561	=item $coin = coin_from_name $name
		562
		563	=cut
		564
		565	our %coin_alias = (
		566	"silver" => "silvercoin",
		567	"silvercoin" => "silvercoin",
		568	"silvercoins" => "silvercoin",
		569	"gold" => "goldcoin",
		570	"goldcoin" => "goldcoin",
		571	"goldcoins" => "goldcoin",
		572	"platinum" => "platinacoin",
		573	"platinumcoin" => "platinacoin",
		574	"platinumcoins" => "platinacoin",
		575	"platina" => "platinacoin",
		576	"platinacoin" => "platinacoin",
		577	"platinacoins" => "platinacoin",
		578	"royalty" => "royalty",
		579	"royalties" => "royalty",
		580	);
		581
		582	sub coin_from_name($) {
		583	$coin_alias{$_[0]}
		584	? cf::arch::find $coin_alias{$_[0]}
		585	: undef
		586	}
		587
		588	=item $value = cf::db_get $family => $key
		589
		590	Returns a single value from the environment database.
		591
		592	=item cf::db_put $family => $key => $value
		593
		594	Stores the given C<$value> in the family. It can currently store binary
		595	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		596
		597	=item $db = cf::db_table "name"
		598
		599	Create and/or open a new database table. The string must not be "db" and must be unique
		600	within each server.
		601
		602	=cut
		603
		604	sub db_table($) {
		605	my ($name) = @_;
		606	my $db = BDB::db_create $DB_ENV;
		607
		608	eval {
		609	$db->set_flags (BDB::CHKSUM);
		610
		611	utf8::encode $name;
		612	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		613	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		614	cf::cleanup "db_open(db): $!" if $!;
		615	};
		616	cf::cleanup "db_open(db): $@" if $@;
		617
		618	$db
		619	}
		620
		621	our $DB;
		622
		623	sub db_init {
		624	cf::sync_job {
		625	$DB ||= db_table "db";
		626	};
		627	}
		628
		629	sub db_get($$) {
		630	my $key = "$_[0]/$_[1]";
		631
		632	cf::sync_job {
		633	BDB::db_get $DB, undef, $key, my $data;
		634
		635	$! ? ()
		636	: $data
360	1	637	}
		638	}
		639
		640	sub db_put($$$) {
		641	BDB::dbreq_pri 4;
		642	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		643	}
		644
		645	=item cf::cache $id => [$paths...], $processversion => $process
		646
		647	Generic caching function that returns the value of the resource $id,
		648	caching and regenerating as required.
		649
		650	This function can block.
		651
		652	=cut
		653
		654	sub cache {
		655	my ($id, $src, $processversion, $process) = @_;
		656
		657	my $meta =
		658	join "\x00",
		659	$processversion,
		660	map {
		661	aio_stat $_
		662	and Carp::croak "$_: $!";
		663
		664	($_, (stat _)[7,9])
		665	} @$src;
		666
		667	my $dbmeta = db_get cache => "$id/meta";
		668	if ($dbmeta ne $meta) {
		669	# changed, we may need to process
		670
		671	my @data;
		672	my $md5;
		673
		674	for (0 .. $#$src) {
		675	0 <= aio_load $src->[$_], $data[$_]
		676	or Carp::croak "$src->[$_]: $!";
		677	}
		678
		679	# if processing is expensive, check
		680	# checksum first
		681	if (1) {
		682	$md5 =
		683	join "\x00",
		684	$processversion,
		685	map {
		686	cf::cede_to_tick;
		687	($src->[$_], Digest::MD5::md5_hex $data[$_])
		688	} 0.. $#$src;
		689
		690
		691	my $dbmd5 = db_get cache => "$id/md5";
		692	if ($dbmd5 eq $md5) {
		693	db_put cache => "$id/meta", $meta;
		694
		695	return db_get cache => "$id/data";
		696	}
		697	}
		698
		699	my $t1 = Time::HiRes::time;
		700	my $data = $process->(\@data);
		701	my $t2 = Time::HiRes::time;
		702
		703	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		704
		705	db_put cache => "$id/data", $data;
		706	db_put cache => "$id/md5" , $md5;
		707	db_put cache => "$id/meta", $meta;
		708
		709	return $data;
		710	}
		711
		712	db_get cache => "$id/data"
		713	}
		714
		715	=item cf::datalog type => key => value, ...
		716
		717	Log a datalog packet of the given type with the given key-value pairs.
		718
		719	=cut
		720
		721	sub datalog($@) {
		722	my ($type, %kv) = @_;
		723	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
361	}	724	}
362		725
363	=back	726	=back
364		727
365	=cut	728	=cut
366		729
367	#############################################################################	730	#############################################################################
368		731
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477	$path
478	}
479
480	# the original (read-only) location
481	sub load_path {
482	my ($self) = @_;
483
484	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
485	}
486
487	# the temporary/swap location
488	sub save_path {
489	my ($self) = @_;
490
491	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
492	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
493	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
494	}
495
496	# the unique path, undef == no special unique path
497	sub uniq_path {
498	my ($self) = @_;
499
500	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
501	}
502
503	# this is somewhat ugly, but style maps do need special treatment
504	sub is_style_map {
505	$_[0]{path} =~ m{^/styles/}
506	}
507
508	sub load_orig {
509	my ($self) = @_;
510
511	&cf::map::load_map_header ($self->load_path)
512	}
513
514	sub load_temp {
515	my ($self) = @_;
516
517	&cf::map::load_map_header ($self->save_path)
518	}
519
520	package cf;
521
522	#############################################################################
523
524	=head2 ATTACHABLE OBJECTS	732	=head2 ATTACHABLE OBJECTS
525		733
526	Many objects in crossfire are so-called attachable objects. That means you can	734	Many objects in deliantra are so-called attachable objects. That means you can
527	attach callbacks/event handlers (a collection of which is called an "attachment")	735	attach callbacks/event handlers (a collection of which is called an "attachment")
528	to it. All such attachable objects support the following methods.	736	to it. All such attachable objects support the following methods.
529		737
530	In the following description, CLASS can be any of C<global>, C<object>	738	In the following description, CLASS can be any of C<global>, C<object>
531	C<player>, C<client> or C<map> (i.e. the attachable objects in	739	C<player>, C<client> or C<map> (i.e. the attachable objects in
532	crossfire+).	740	Deliantra).
533		741
534	=over 4	742	=over 4
535		743
536	=item $attachable->attach ($attachment, key => $value...)	744	=item $attachable->attach ($attachment, key => $value...)
537		745
…		…
581	=item cf::CLASS::attachment $name, ...	789	=item cf::CLASS::attachment $name, ...
582		790
583	Register an attachment by C<$name> through which attachable objects of the	791	Register an attachment by C<$name> through which attachable objects of the
584	given CLASS can refer to this attachment.	792	given CLASS can refer to this attachment.
585		793
586	Some classes such as crossfire maps and objects can specify attachments	794	Some classes such as deliantra maps and objects can specify attachments
587	that are attached at load/instantiate time, thus the need for a name.	795	that are attached at load/instantiate time, thus the need for a name.
588		796
589	These calls expect any number of the following handler/hook descriptions:	797	These calls expect any number of the following handler/hook descriptions:
590		798
591	=over 4	799	=over 4
…		…
651	our @CB_TYPE = (); # registry for type (cf-object class) based events	859	our @CB_TYPE = (); # registry for type (cf-object class) based events
652	our @CB_MAP = ();	860	our @CB_MAP = ();
653		861
654	my %attachment;	862	my %attachment;
655		863
		864	sub cf::attachable::thawer_merge {
		865	# simply override everything except _meta
		866	local $_[0]{_meta};
		867	%{$_[0]} = %{$_[1]};
		868	}
		869
656	sub _attach_cb($$$$) {	870	sub _attach_cb($$$$) {
657	my ($registry, $event, $prio, $cb) = @_;	871	my ($registry, $event, $prio, $cb) = @_;
658		872
659	use sort 'stable';	873	use sort 'stable';
660		874
…		…
694	$registry = $CB_TYPE[$object_type] ||= [];	908	$registry = $CB_TYPE[$object_type] ||= [];
695		909
696	} elsif ($type eq "subtype") {	910	} elsif ($type eq "subtype") {
697	defined $object_type or Carp::croak "subtype specified without type";	911	defined $object_type or Carp::croak "subtype specified without type";
698	my $object_subtype = shift @arg;	912	my $object_subtype = shift @arg;
699	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	913	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
700		914
701	} elsif ($type eq "package") {	915	} elsif ($type eq "package") {
702	my $pkg = shift @arg;	916	my $pkg = shift @arg;
703		917
704	while (my ($name, $id) = each %cb_id) {	918	while (my ($name, $id) = each %cb_id) {
…		…
733	_attach $registry, $klass, @attach;	947	_attach $registry, $klass, @attach;
734	}	948	}
735		949
736	$obj->{$name} = \%arg;	950	$obj->{$name} = \%arg;
737	} else {	951	} else {
738	warn "object uses attachment '$name' that is not available, postponing.\n";	952	warn "object uses attachment '$name' which is not available, postponing.\n";
739	}	953	}
740		954
741	$obj->{_attachment}{$name} = undef;	955	$obj->{_attachment}{$name} = undef;
742	}	956	}
743		957
…		…
745	if (ref $_[0]) {	959	if (ref $_[0]) {
746	_object_attach @_;	960	_object_attach @_;
747	} else {	961	} else {
748	_attach shift->_attach_registry, @_;	962	_attach shift->_attach_registry, @_;
749	}	963	}
		964	_recalc_want;
750	};	965	};
751		966
752	# all those should be optimised	967	# all those should be optimised
753	sub cf::attachable::detach {	968	sub cf::attachable::detach {
754	my ($obj, $name) = @_;	969	my ($obj, $name) = @_;
…		…
757	delete $obj->{_attachment}{$name};	972	delete $obj->{_attachment}{$name};
758	reattach ($obj);	973	reattach ($obj);
759	} else {	974	} else {
760	Carp::croak "cannot, currently, detach class attachments";	975	Carp::croak "cannot, currently, detach class attachments";
761	}	976	}
		977	_recalc_want;
762	};	978	};
763		979
764	sub cf::attachable::attached {	980	sub cf::attachable::attached {
765	my ($obj, $name) = @_;	981	my ($obj, $name) = @_;
766		982
…		…
781	";	997	";
782	die if $@;	998	die if $@;
783	}	999	}
784		1000
785	our $override;	1001	our $override;
786	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1002	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
787		1003
788	sub override {	1004	sub override {
789	$override = 1;	1005	$override = 1;
790	@invoke_results = ();	1006	@INVOKE_RESULTS = (@_);
791	}	1007	}
792		1008
793	sub do_invoke {	1009	sub do_invoke {
794	my $event = shift;	1010	my $event = shift;
795	my $callbacks = shift;	1011	my $callbacks = shift;
796		1012
797	@invoke_results = ();	1013	@INVOKE_RESULTS = ();
798		1014
799	local $override;	1015	local $override;
800		1016
801	for (@$callbacks) {	1017	for (@$callbacks) {
802	eval { &{$_->[1]} };	1018	eval { &{$_->[1]} };
…		…
811	}	1027	}
812		1028
813	0	1029	0
814	}	1030	}
815		1031
816	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
817		1033
818	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
819		1035
820	Generate an object-specific event with the given arguments.	1036	Generate an object-specific event with the given arguments.
821		1037
822	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1038	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
823	removed in future versions), and there is no public API to access override	1039	removed in future versions), and there is no public API to access override
824	results (if you must, access C<@cf::invoke_results> directly).	1040	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
825		1041
826	=back	1042	=back
827		1043
828	=cut	1044	=cut
829		1045
830	#############################################################################	1046	#############################################################################
831	# object support	1047	# object support
		1048
		1049	sub _object_equal($$);
		1050	sub _object_equal($$) {
		1051	my ($a, $b) = @_;
		1052
		1053	return 0 unless (ref $a) eq (ref $b);
		1054
		1055	if ("HASH" eq ref $a) {
		1056	my @ka = keys %$a;
		1057	my @kb = keys %$b;
		1058
		1059	return 0 if @ka != @kb;
		1060
		1061	for (0 .. $#ka) {
		1062	return 0 unless $ka[$_] eq $kb[$_];
		1063	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1064	}
		1065
		1066	} elsif ("ARRAY" eq ref $a) {
		1067
		1068	return 0 if @$a != @$b;
		1069
		1070	for (0 .. $#$a) {
		1071	return 0 unless _object_equal $a->[$_], $b->[$_];
		1072	}
		1073
		1074	} elsif ($a ne $b) {
		1075	return 0;
		1076	}
		1077
		1078	1
		1079	}
		1080
		1081	our $SLOW_MERGES;#d#
		1082	sub _can_merge {
		1083	my ($ob1, $ob2) = @_;
		1084
		1085	++$SLOW_MERGES;#d#
		1086
		1087	# we do the slow way here
		1088	return _object_equal $ob1, $ob2
		1089	}
832		1090
833	sub reattach {	1091	sub reattach {
834	# basically do the same as instantiate, without calling instantiate	1092	# basically do the same as instantiate, without calling instantiate
835	my ($obj) = @_;	1093	my ($obj) = @_;
		1094
		1095	# no longer needed after getting rid of delete_package?
		1096	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
836		1097
837	my $registry = $obj->registry;	1098	my $registry = $obj->registry;
838		1099
839	@$registry = ();	1100	@$registry = ();
840		1101
…		…
855	cf::attachable->attach (	1116	cf::attachable->attach (
856	prio => -1000000,	1117	prio => -1000000,
857	on_instantiate => sub {	1118	on_instantiate => sub {
858	my ($obj, $data) = @_;	1119	my ($obj, $data) = @_;
859		1120
860	$data = from_json $data;	1121	$data = decode_json $data;
861		1122
862	for (@$data) {	1123	for (@$data) {
863	my ($name, $args) = @$_;	1124	my ($name, $args) = @$_;
864		1125
865	$obj->attach ($name, %{$args || {} });	1126	$obj->attach ($name, %{$args || {} });
…		…
881	sub object_freezer_save {	1142	sub object_freezer_save {
882	my ($filename, $rdata, $objs) = @_;	1143	my ($filename, $rdata, $objs) = @_;
883		1144
884	sync_job {	1145	sync_job {
885	if (length $$rdata) {	1146	if (length $$rdata) {
		1147	utf8::decode (my $decname = $filename);
886	warn sprintf "saving %s (%d,%d)\n",	1148	warn sprintf "saving %s (%d,%d)\n",
887	$filename, length $$rdata, scalar @$objs;	1149	$decname, length $$rdata, scalar @$objs;
888		1150
889	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1151	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
890	chmod SAVE_MODE, $fh;	1152	aio_chmod $fh, SAVE_MODE;
891	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1153	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
892	aio_fsync $fh;	1154	aio_fsync $fh if $cf::USE_FSYNC;
893	close $fh;	1155	aio_close $fh;
894		1156
895	if (@$objs) {	1157	if (@$objs) {
896	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1158	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
897	chmod SAVE_MODE, $fh;	1159	aio_chmod $fh, SAVE_MODE;
898	my $data = Storable::nfreeze { version => 1, objs => $objs };	1160	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
899	aio_write $fh, 0, (length $data), $data, 0;	1161	aio_write $fh, 0, (length $data), $data, 0;
900	aio_fsync $fh;	1162	aio_fsync $fh if $cf::USE_FSYNC;
901	close $fh;	1163	aio_close $fh;
902	aio_rename "$filename.pst~", "$filename.pst";	1164	aio_rename "$filename.pst~", "$filename.pst";
903	}	1165	}
904	} else {	1166	} else {
905	aio_unlink "$filename.pst";	1167	aio_unlink "$filename.pst";
906	}	1168	}
907		1169
908	aio_rename "$filename~", $filename;	1170	aio_rename "$filename~", $filename;
		1171
		1172	$filename =~ s%/[^/]+$%%;
		1173	aio_pathsync $filename if $cf::USE_FSYNC;
909	} else {	1174	} else {
910	warn "FATAL: $filename~: $!\n";	1175	warn "unable to save objects: $filename~: $!\n";
911	}	1176	}
912	} else {	1177	} else {
913	aio_unlink $filename;	1178	aio_unlink $filename;
914	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
915	}	1180	}
916	}	1181	};
917	}	1182	}
918		1183
919	sub object_freezer_as_string {	1184	sub object_freezer_as_string {
920	my ($rdata, $objs) = @_;	1185	my ($rdata, $objs) = @_;
921		1186
…		…
933	or return;	1198	or return;
934		1199
935	unless (aio_stat "$filename.pst") {	1200	unless (aio_stat "$filename.pst") {
936	(aio_load "$filename.pst", $av) >= 0	1201	(aio_load "$filename.pst", $av) >= 0
937	or return;	1202	or return;
		1203
938	$av = eval { (Storable::thaw $av)->{objs} };	1204	my $st = eval { Coro::Storable::thaw $av };
		1205	$av = $st->{objs};
939	}	1206	}
940		1207
		1208	utf8::decode (my $decname = $filename);
941	warn sprintf "loading %s (%d)\n",	1209	warn sprintf "loading %s (%d,%d)\n",
942	$filename, length $data, scalar @{$av || []};#d#	1210	$decname, length $data, scalar @{$av || []};
		1211
943	return ($data, $av);	1212	($data, $av)
944	}	1213	}
		1214
		1215	=head2 COMMAND CALLBACKS
		1216
		1217	=over 4
		1218
		1219	=cut
945		1220
946	#############################################################################	1221	#############################################################################
947	# command handling &c	1222	# command handling &c
948		1223
949	=item cf::register_command $name => \&callback($ob,$args);	1224	=item cf::register_command $name => \&callback($ob,$args);
…		…
962	push @{ $COMMAND{$name} }, [$caller, $cb];	1237	push @{ $COMMAND{$name} }, [$caller, $cb];
963	}	1238	}
964		1239
965	=item cf::register_extcmd $name => \&callback($pl,$packet);	1240	=item cf::register_extcmd $name => \&callback($pl,$packet);
966		1241
967	Register a callbackf ro execution when the client sends an extcmd packet.	1242	Register a callback for execution when the client sends an (synchronous)
		1243	extcmd packet. Ext commands will be processed in the order they are
		1244	received by the server, like other user commands. The first argument is
		1245	the logged-in player. Ext commands can only be processed after a player
		1246	has logged in successfully.
968		1247
969	If the callback returns something, it is sent back as if reply was being	1248	If the callback returns something, it is sent back as if reply was being
970	called.	1249	called.
971		1250
		1251	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1252
		1253	Register a callback for execution when the client sends an (asynchronous)
		1254	exticmd packet. Exti commands are processed by the server as soon as they
		1255	are received, i.e. out of order w.r.t. other commands. The first argument
		1256	is a client socket. Exti commands can be received anytime, even before
		1257	log-in.
		1258
		1259	If the callback returns something, it is sent back as if reply was being
		1260	called.
		1261
972	=cut	1262	=cut
973		1263
974	sub register_extcmd {	1264	sub register_extcmd {
975	my ($name, $cb) = @_;	1265	my ($name, $cb) = @_;
976		1266
977	$EXTCMD{$name} = $cb;	1267	$EXTCMD{$name} = $cb;
978	}	1268	}
		1269
		1270	sub register_exticmd {
		1271	my ($name, $cb) = @_;
		1272
		1273	$EXTICMD{$name} = $cb;
		1274	}
		1275
		1276	use File::Glob ();
979		1277
980	cf::player->attach (	1278	cf::player->attach (
981	on_command => sub {	1279	on_command => sub {
982	my ($pl, $name, $params) = @_;	1280	my ($pl, $name, $params) = @_;
983		1281
…		…
991	cf::override;	1289	cf::override;
992	},	1290	},
993	on_extcmd => sub {	1291	on_extcmd => sub {
994	my ($pl, $buf) = @_;	1292	my ($pl, $buf) = @_;
995		1293
996	my $msg = eval { from_json $buf };	1294	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
997		1295
998	if (ref $msg) {	1296	if (ref $msg) {
		1297	my ($type, $reply, @payload) =
		1298	"ARRAY" eq ref $msg
		1299	? @$msg
		1300	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1301
		1302	my @reply;
		1303
999	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1304	if (my $cb = $EXTCMD{$type}) {
1000	if (my %reply = $cb->($pl, $msg)) {	1305	@reply = $cb->($pl, @payload);
1001	$pl->ext_reply ($msg->{msgid}, %reply);
1002	}
1003	}	1306	}
		1307
		1308	$pl->ext_reply ($reply, @reply)
		1309	if $reply;
		1310
1004	} else {	1311	} else {
1005	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1312	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1006	}	1313	}
1007		1314
1008	cf::override;	1315	cf::override;
1009	},	1316	},
1010	);	1317	);
1011		1318
		1319	# "readahead" all extensions
1012	sub load_extension {	1320	sub cache_extensions {
1013	my ($path) = @_;	1321	my $grp = IO::AIO::aio_group;
1014		1322
1015	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1323	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
1016	my $base = $1;	1324	for (grep /\.ext$/, @{$_[0]}) {
1017	my $pkg = $1;	1325	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1018	$pkg =~ s/[^[:word:]]/_/g;	1326	}
1019	$pkg = "ext::$pkg";	1327	};
1020		1328
1021	warn "... loading '$path' into '$pkg'\n";	1329	$grp
1022
1023	open my $fh, "<:utf8", $path
1024	or die "$path: $!";
1025
1026	my $source =
1027	"package $pkg; use strict; use utf8;\n"
1028	. "#line 1 \"$path\"\n{\n"
1029	. (do { local $/; <$fh> })
1030	. "\n};\n1";
1031
1032	eval $source
1033	or die $@ ? "$path: $@\n"
1034	: "extension disabled.\n";
1035
1036	push @EXTS, $pkg;
1037	}	1330	}
1038		1331
1039	sub load_extensions {	1332	sub load_extensions {
		1333	cf::sync_job {
		1334	my %todo;
		1335
1040	for my $ext (<$LIBDIR/*.ext>) {	1336	for my $path (<$LIBDIR/*.ext>) {
1041	next unless -r $ext;	1337	next unless -r $path;
1042	eval {	1338
1043	load_extension $ext;	1339	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1340	my $base = $1;
		1341	my $pkg = $1;
		1342	$pkg =~ s/[^[:word:]]/_/g;
		1343	$pkg = "ext::$pkg";
		1344
		1345	open my $fh, "<:utf8", $path
		1346	or die "$path: $!";
		1347
		1348	my $source = do { local $/; <$fh> };
		1349
		1350	my %ext = (
		1351	path => $path,
		1352	base => $base,
		1353	pkg => $pkg,
		1354	);
		1355
		1356	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1357	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1358
		1359	$ext{source} =
		1360	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1361	. "#line 1 \"$path\"\n{\n"
		1362	. $source
		1363	. "\n};\n1";
		1364
		1365	$todo{$base} = \%ext;
		1366	}
		1367
		1368	my %done;
		1369	while (%todo) {
		1370	my $progress;
		1371
		1372	while (my ($k, $v) = each %todo) {
		1373	for (split /,\s*/, $v->{meta}{depends}) {
		1374	goto skip
		1375	unless exists $done{$_};
		1376	}
		1377
		1378	warn "... loading '$k' into '$v->{pkg}'\n";
		1379
		1380	unless (eval $v->{source}) {
		1381	my $msg = $@ ? "$v->{path}: $@\n"
		1382	: "$v->{base}: extension inactive.\n";
		1383
		1384	if (exists $v->{meta}{mandatory}) {
		1385	warn $msg;
		1386	cf::cleanup "mandatory extension failed to load, exiting.";
		1387	}
		1388
		1389	warn $msg;
		1390	}
		1391
		1392	$done{$k} = delete $todo{$k};
		1393	push @EXTS, $v->{pkg};
		1394	$progress = 1;
1044	1	1395	}
1045	} or warn "$ext not loaded: $@";	1396
		1397	skip:
		1398	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1399	unless $progress;
		1400	}
1046	}	1401	};
1047	}	1402	}
1048		1403
1049	#############################################################################	1404	#############################################################################
1050	# load/save/clean perl data associated with a map
1051		1405
1052	*cf::mapsupport::on_clean = sub {	1406	=back
1053	my ($map) = @_;
1054
1055	my $path = $map->tmpname;
1056	defined $path or return;
1057
1058	unlink "$path.pst";
1059	};
1060
1061	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1062
1063	#############################################################################
1064		1407
1065	=head2 CORE EXTENSIONS	1408	=head2 CORE EXTENSIONS
1066		1409
1067	Functions and methods that extend core crossfire objects.	1410	Functions and methods that extend core deliantra objects.
1068		1411
1069	=cut	1412	=cut
1070		1413
1071	package cf::player;	1414	package cf::player;
1072		1415
…		…
1074		1417
1075	=head3 cf::player	1418	=head3 cf::player
1076		1419
1077	=over 4	1420	=over 4
1078		1421
		1422	=item cf::player::num_playing
		1423
		1424	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1425
		1426	=cut
		1427
		1428	sub num_playing {
		1429	scalar grep
		1430	$_->ob->map
		1431	&& !$_->hidden
		1432	&& !$_->ob->flag (cf::FLAG_WIZ),
		1433	cf::player::list
		1434	}
		1435
1079	=item cf::player::find $login	1436	=item cf::player::find $login
1080		1437
1081	Returns the given player object, loading it if necessary (might block).	1438	Returns the given player object, loading it if necessary (might block).
1082		1439
1083	=cut	1440	=cut
1084		1441
1085	sub playerdir($) {	1442	sub playerdir($) {
1086	cf::localdir	1443	"$PLAYERDIR/"
1087	. "/"
1088	. cf::playerdir
1089	. "/"
1090	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1444	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1091	}	1445	}
1092		1446
1093	sub path($) {	1447	sub path($) {
1094	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1448	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1095		1449
1096	(playerdir $login) . "/$login.pl"	1450	(playerdir $login) . "/playerdata"
1097	}	1451	}
1098		1452
1099	sub find_active($) {	1453	sub find_active($) {
1100	$cf::PLAYER{$_[0]}	1454	$cf::PLAYER{$_[0]}
1101	and $cf::PLAYER{$_[0]}->active	1455	and $cf::PLAYER{$_[0]}->active
…		…
1104		1458
1105	sub exists($) {	1459	sub exists($) {
1106	my ($login) = @_;	1460	my ($login) = @_;
1107		1461
1108	$cf::PLAYER{$login}	1462	$cf::PLAYER{$login}
1109	or cf::sync_job { !aio_stat $login }	1463	or !aio_stat path $login
1110	}	1464	}
1111		1465
1112	sub find($) {	1466	sub find($) {
1113	return $cf::PLAYER{$_[0]} || do {	1467	return $cf::PLAYER{$_[0]} || do {
1114	my $login = $_[0];	1468	my $login = $_[0];
1115		1469
1116	my $guard = cf::lock_acquire "user_find:$login";	1470	my $guard = cf::lock_acquire "user_find:$login";
1117		1471
1118	$cf::PLAYER{$_[0]} || do {	1472	$cf::PLAYER{$_[0]} || do {
1119	my $pl = load_pl path $login	1473	# rename old playerfiles to new ones
		1474	#TODO: remove when no longer required
		1475	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1476	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1477	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1478	aio_unlink +(playerdir $login) . "/$login.pl";
		1479
		1480	my $f = new_from_file cf::object::thawer path $login
1120	or return;	1481	or return;
		1482
		1483	my $pl = cf::player::load_pl $f
		1484	or return;
		1485
		1486	local $cf::PLAYER_LOADING{$login} = $pl;
		1487	$f->resolve_delayed_derefs;
1121	$cf::PLAYER{$login} = $pl	1488	$cf::PLAYER{$login} = $pl
1122	}	1489	}
1123	}	1490	}
1124	}	1491	}
1125		1492
…		…
1134	return if $pl->{deny_save};	1501	return if $pl->{deny_save};
1135		1502
1136	aio_mkdir playerdir $pl, 0770;	1503	aio_mkdir playerdir $pl, 0770;
1137	$pl->{last_save} = $cf::RUNTIME;	1504	$pl->{last_save} = $cf::RUNTIME;
1138		1505
		1506	cf::get_slot 0.01;
		1507
1139	$pl->save_pl ($path);	1508	$pl->save_pl ($path);
1140	Coro::cede;	1509	cf::cede_to_tick;
1141	}	1510	}
1142		1511
1143	sub new($) {	1512	sub new($) {
1144	my ($login) = @_;	1513	my ($login) = @_;
1145		1514
…		…
1151	$cf::PLAYER{$login} = $self;	1520	$cf::PLAYER{$login} = $self;
1152		1521
1153	$self	1522	$self
1154	}	1523	}
1155		1524
		1525	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1526
		1527	=cut
		1528
		1529	sub send_msg {
		1530	my $ns = shift->ns
		1531	or return;
		1532	$ns->send_msg (@_);
		1533	}
		1534
1156	=item $pl->quit_character	1535	=item $pl->quit_character
1157		1536
1158	Nukes the player without looking back. If logged in, the connection will	1537	Nukes the player without looking back. If logged in, the connection will
1159	be destroyed. May block for a long time.	1538	be destroyed. May block for a long time.
1160		1539
1161	=cut	1540	=cut
1162		1541
1163	sub quit_character {	1542	sub quit_character {
1164	my ($pl) = @_;	1543	my ($pl) = @_;
1165		1544
		1545	my $name = $pl->ob->name;
		1546
1166	$pl->{deny_save} = 1;	1547	$pl->{deny_save} = 1;
1167	$pl->password ("*"); # this should lock out the player until we nuked the dir	1548	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1168		1549
1169	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1550	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1170	$pl->deactivate;	1551	$pl->deactivate;
		1552	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1553	$pl->ob->check_score;
1171	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1554	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1172	$pl->ns->destroy if $pl->ns;	1555	$pl->ns->destroy if $pl->ns;
1173		1556
1174	my $path = playerdir $pl;	1557	my $path = playerdir $pl;
1175	my $temp = "$path~$cf::RUNTIME~deleting~";	1558	my $temp = "$path~$cf::RUNTIME~deleting~";
1176	aio_rename $path, $temp;	1559	aio_rename $path, $temp;
1177	delete $cf::PLAYER{$pl->ob->name};	1560	delete $cf::PLAYER{$pl->ob->name};
1178	$pl->destroy;	1561	$pl->destroy;
		1562
		1563	my $prefix = qr<^~\Q$name\E/>;
		1564
		1565	# nuke player maps
		1566	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1567
1179	IO::AIO::aio_rmtree $temp;	1568	IO::AIO::aio_rmtree $temp;
		1569	}
		1570
		1571	=item $pl->kick
		1572
		1573	Kicks a player out of the game. This destroys the connection.
		1574
		1575	=cut
		1576
		1577	sub kick {
		1578	my ($pl, $kicker) = @_;
		1579
		1580	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1581	$pl->killer ("kicked");
		1582	$pl->ns->destroy;
1180	}	1583	}
1181		1584
1182	=item cf::player::list_logins	1585	=item cf::player::list_logins
1183		1586
1184	Returns am arrayref of all valid playernames in the system, can take a	1587	Returns am arrayref of all valid playernames in the system, can take a
1185	while and may block, so not sync_job-capable, ever.	1588	while and may block, so not sync_job-capable, ever.
1186		1589
1187	=cut	1590	=cut
1188		1591
1189	sub list_logins {	1592	sub list_logins {
1190	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1593	my $dirs = aio_readdir $PLAYERDIR
1191	or return [];	1594	or return [];
1192		1595
1193	my @logins;	1596	my @logins;
1194		1597
1195	for my $login (@$dirs) {	1598	for my $login (@$dirs) {
		1599	my $path = path $login;
		1600
		1601	# a .pst is a dead give-away for a valid player
		1602	# if no pst file found, open and chekc for blocked users
		1603	if (aio_stat "$path.pst") {
1196	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1604	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1197	aio_read $fh, 0, 512, my $buf, 0 or next;	1605	aio_read $fh, 0, 512, my $buf, 0 or next;
1198	$buf !~ /^password -------------$/m or next; # official not-valid tag	1606	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1607	}
1199		1608
1200	utf8::decode $login;	1609	utf8::decode $login;
1201	push @logins, $login;	1610	push @logins, $login;
1202	}	1611	}
1203		1612
1204	\@logins	1613	\@logins
1205	}	1614	}
1206		1615
1207	=item $player->maps	1616	=item $player->maps
1208		1617
1209	Returns an arrayref of cf::path's of all maps that are private for this	1618	Returns an arrayref of map paths that are private for this
1210	player. May block.	1619	player. May block.
1211		1620
1212	=cut	1621	=cut
1213		1622
1214	sub maps($) {	1623	sub maps($) {
1215	my ($pl) = @_;	1624	my ($pl) = @_;
		1625
		1626	$pl = ref $pl ? $pl->ob->name : $pl;
1216		1627
1217	my $files = aio_readdir playerdir $pl	1628	my $files = aio_readdir playerdir $pl
1218	or return;	1629	or return;
1219		1630
1220	my @paths;	1631	my @paths;
…		…
1222	for (@$files) {	1633	for (@$files) {
1223	utf8::decode $_;	1634	utf8::decode $_;
1224	next if /\.(?:pl|pst)$/;	1635	next if /\.(?:pl|pst)$/;
1225	next unless /^$PATH_SEP/o;	1636	next unless /^$PATH_SEP/o;
1226		1637
1227	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1638	push @paths, cf::map::normalise "~$pl/$_";
1228	}	1639	}
1229		1640
1230	\@paths	1641	\@paths
1231	}	1642	}
1232		1643
		1644	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1645
		1646	Expand deliantra pod fragments into protocol xml.
		1647
1233	=item $player->ext_reply ($msgid, $msgtype, %msg)	1648	=item $player->ext_reply ($msgid, @msg)
1234		1649
1235	Sends an ext reply to the player.	1650	Sends an ext reply to the player.
1236		1651
1237	=cut	1652	=cut
1238		1653
1239	sub ext_reply($$$%) {	1654	sub ext_reply($$@) {
1240	my ($self, $id, %msg) = @_;	1655	my ($self, $id, @msg) = @_;
1241		1656
1242	$msg{msgid} = $id;	1657	$self->ns->ext_reply ($id, @msg)
1243
1244	$self->send ("ext " . cf::to_json \%msg);
1245	}	1658	}
1246		1659
1247	package cf;	1660	=item $player->ext_msg ($type, @msg)
		1661
		1662	Sends an ext event to the client.
		1663
		1664	=cut
		1665
		1666	sub ext_msg($$@) {
		1667	my ($self, $type, @msg) = @_;
		1668
		1669	$self->ns->ext_msg ($type, @msg);
		1670	}
		1671
		1672	=head3 cf::region
		1673
		1674	=over 4
		1675
		1676	=cut
		1677
		1678	package cf::region;
		1679
		1680	=item cf::region::find_by_path $path
		1681
		1682	Tries to decuce the likely region for a map knowing only its path.
		1683
		1684	=cut
		1685
		1686	sub find_by_path($) {
		1687	my ($path) = @_;
		1688
		1689	my ($match, $specificity);
		1690
		1691	for my $region (list) {
		1692	if ($region->{match} && $path =~ $region->{match}) {
		1693	($match, $specificity) = ($region, $region->specificity)
		1694	if $region->specificity > $specificity;
		1695	}
		1696	}
		1697
		1698	$match
		1699	}
1248		1700
1249	=back	1701	=back
1250
1251		1702
1252	=head3 cf::map	1703	=head3 cf::map
1253		1704
1254	=over 4	1705	=over 4
1255		1706
…		…
1258	package cf::map;	1709	package cf::map;
1259		1710
1260	use Fcntl;	1711	use Fcntl;
1261	use Coro::AIO;	1712	use Coro::AIO;
1262		1713
		1714	use overload
		1715	'""' => \&as_string,
		1716	fallback => 1;
		1717
1263	our $MAX_RESET = 3600;	1718	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1719	our $DEFAULT_RESET = 3000;
1265		1720
1266	sub generate_random_map {	1721	sub generate_random_map {
1267	my ($path, $rmp) = @_;	1722	my ($self, $rmp) = @_;
		1723
		1724	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1268		1725
1269	# mit "rum" bekleckern, nicht	1726	# mit "rum" bekleckern, nicht
1270	cf::map::_create_random_map	1727	$self->_create_random_map (
1271	$path,
1272	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1728	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1273	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1729	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1274	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1730	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1275	$rmp->{exit_on_final_map},	1731	$rmp->{exit_on_final_map},
1276	$rmp->{xsize}, $rmp->{ysize},	1732	$rmp->{xsize}, $rmp->{ysize},
1277	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1733	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1278	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1734	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1279	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1735	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1280	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1736	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1281	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1737	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1282	(cf::region::find $rmp->{region})	1738	(cf::region::find $rmp->{region}), $rmp->{custom}
		1739	)
1283	}	1740	}
1284		1741
1285	# and all this just because we cannot iterate over	1742	=item cf::map->register ($regex, $prio)
1286	# all maps in C++...
1287	sub change_all_map_light {
1288	my ($change) = @_;
1289		1743
1290	$_->change_map_light ($change)	1744	Register a handler for the map path matching the given regex at the
1291	for grep $_->outdoor, values %cf::MAP;	1745	givne priority (higher is better, built-in handlers have priority 0, the
1292	}	1746	default).
1293		1747
1294	sub load_map_header($) {	1748	=cut
		1749
		1750	sub register {
		1751	my (undef, $regex, $prio) = @_;
		1752	my $pkg = caller;
		1753
		1754	no strict;
		1755	push @{"$pkg\::ISA"}, __PACKAGE__;
		1756
		1757	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1758	}
		1759
		1760	# also paths starting with '/'
		1761	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1762
		1763	sub thawer_merge {
		1764	my ($self, $merge) = @_;
		1765
		1766	# we have to keep some variables in memory intact
		1767	local $self->{path};
		1768	local $self->{load_path};
		1769
		1770	$self->SUPER::thawer_merge ($merge);
		1771	}
		1772
		1773	sub normalise {
1295	my ($path) = @_;	1774	my ($path, $base) = @_;
		1775
		1776	$path = "$path"; # make sure its a string
		1777
		1778	$path =~ s/\.map$//;
		1779
		1780	# map plan:
		1781	#
		1782	# /! non-realised random map exit (special hack!)
		1783	# {... are special paths that are not being touched
		1784	# ?xxx/... are special absolute paths
		1785	# ?random/... random maps
		1786	# /... normal maps
		1787	# ~user/... per-player map of a specific user
		1788
		1789	$path =~ s/$PATH_SEP/\//go;
		1790
		1791	# treat it as relative path if it starts with
		1792	# something that looks reasonable
		1793	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1794	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1795
		1796	$base =~ s{[^/]+/?$}{};
		1797	$path = "$base/$path";
		1798	}
		1799
		1800	for ($path) {
		1801	redo if s{//}{/};
		1802	redo if s{/\.?/}{/};
		1803	redo if s{/[^/]+/\.\./}{/};
		1804	}
		1805
		1806	$path
		1807	}
		1808
		1809	sub new_from_path {
		1810	my (undef, $path, $base) = @_;
		1811
		1812	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1813
		1814	$path = normalise $path, $base;
		1815
		1816	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1817	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1818	my $self = bless cf::map::new, $pkg;
		1819	$self->{path} = $path; $self->path ($path);
		1820	$self->init; # pass $1 etc.
		1821	return $self;
		1822	}
		1823	}
		1824
		1825	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1826	()
		1827	}
		1828
		1829	sub init {
		1830	my ($self) = @_;
		1831
		1832	$self
		1833	}
		1834
		1835	sub as_string {
		1836	my ($self) = @_;
		1837
		1838	"$self->{path}"
		1839	}
		1840
		1841	# the displayed name, this is a one way mapping
		1842	sub visible_name {
		1843	&as_string
		1844	}
		1845
		1846	# the original (read-only) location
		1847	sub load_path {
		1848	my ($self) = @_;
		1849
		1850	"$MAPDIR/$self->{path}.map"
		1851	}
		1852
		1853	# the temporary/swap location
		1854	sub save_path {
		1855	my ($self) = @_;
		1856
		1857	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1858	"$TMPDIR/$path.map"
		1859	}
		1860
		1861	# the unique path, undef == no special unique path
		1862	sub uniq_path {
		1863	my ($self) = @_;
		1864
		1865	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1866	"$UNIQUEDIR/$path"
		1867	}
		1868
		1869	sub decay_objects {
		1870	my ($self) = @_;
		1871
		1872	return if $self->{deny_reset};
		1873
		1874	$self->do_decay_objects;
		1875	}
		1876
		1877	sub unlink_save {
		1878	my ($self) = @_;
		1879
		1880	utf8::encode (my $save = $self->save_path);
		1881	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1882	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1883	}
		1884
		1885	sub load_header_from($) {
		1886	my ($self, $path) = @_;
1296		1887
1297	utf8::encode $path;	1888	utf8::encode $path;
1298	aio_open $path, O_RDONLY, 0	1889	my $f = new_from_file cf::object::thawer $path
1299	or return;	1890	or return;
1300		1891
1301	my $map = cf::map::new	1892	$self->_load_header ($f)
1302	or return;	1893	or return;
1303		1894
1304	# for better error messages only, will be overwritten later	1895	local $MAP_LOADING{$self->{path}} = $self;
1305	$map->path ($path);	1896	$f->resolve_delayed_derefs;
1306		1897
1307	$map->load_header ($path)	1898	$self->{load_path} = $path;
		1899
		1900	1
		1901	}
		1902
		1903	sub load_header_orig {
		1904	my ($self) = @_;
		1905
		1906	$self->load_header_from ($self->load_path)
		1907	}
		1908
		1909	sub load_header_temp {
		1910	my ($self) = @_;
		1911
		1912	$self->load_header_from ($self->save_path)
		1913	}
		1914
		1915	sub prepare_temp {
		1916	my ($self) = @_;
		1917
		1918	$self->last_access ((delete $self->{last_access})
		1919	|| $cf::RUNTIME); #d#
		1920	# safety
		1921	$self->{instantiate_time} = $cf::RUNTIME
		1922	if $self->{instantiate_time} > $cf::RUNTIME;
		1923	}
		1924
		1925	sub prepare_orig {
		1926	my ($self) = @_;
		1927
		1928	$self->{load_original} = 1;
		1929	$self->{instantiate_time} = $cf::RUNTIME;
		1930	$self->last_access ($cf::RUNTIME);
		1931	$self->instantiate;
		1932	}
		1933
		1934	sub load_header {
		1935	my ($self) = @_;
		1936
		1937	if ($self->load_header_temp) {
		1938	$self->prepare_temp;
		1939	} else {
		1940	$self->load_header_orig
1308	or return;	1941	or return;
		1942	$self->prepare_orig;
		1943	}
1309		1944
1310	$map->{load_path} = $path;	1945	$self->{deny_reset} = 1
		1946	if $self->no_reset;
1311		1947
1312	$map	1948	$self->default_region (cf::region::find_by_path $self->{path})
		1949	unless $self->default_region;
		1950
		1951	1
1313	}	1952	}
1314		1953
1315	sub find;	1954	sub find;
1316	sub find {	1955	sub find {
1317	my ($path, $origin) = @_;	1956	my ($path, $origin) = @_;
1318		1957
1319	#warn "find<$path,$origin>\n";#d#
1320
1321	$path = new cf::path $path, $origin && $origin->path;	1958	$path = normalise $path, $origin && $origin->path;
1322	my $key = $path->as_string;
1323		1959
1324	cf::lock_wait "map_find:$key";	1960	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1325
1326	$cf::MAP{$key} || do {
1327	my $guard = cf::lock_acquire "map_find:$key";	1961	my $guard2 = cf::lock_acquire "map_find:$path";
1328		1962
1329	# do it the slow way	1963	$cf::MAP{$path} || do {
1330	my $map = $path->load_temp;	1964	my $map = new_from_path cf::map $path
1331
1332	Coro::cede;
1333
1334	if ($map) {
1335	$map->last_access ((delete $map->{last_access})
1336	|| $cf::RUNTIME); #d#
1337	# safety
1338	$map->{instantiate_time} = $cf::RUNTIME
1339	if $map->{instantiate_time} > $cf::RUNTIME;
1340	} else {
1341	$map = $path->load_orig
1342	or return;	1965	or return;
1343		1966
1344	$map->{load_original} = 1;
1345	$map->{instantiate_time} = $cf::RUNTIME;
1346	$map->last_access ($cf::RUNTIME);
1347	$map->instantiate;
1348
1349	# per-player maps become, after loading, normal maps
1350	$map->per_player (0) if $path->{user_rel};
1351	}
1352
1353	$map->path ($key);
1354	$map->{path} = $path;
1355	$map->{last_save} = $cf::RUNTIME;	1967	$map->{last_save} = $cf::RUNTIME;
1356		1968
1357	Coro::cede;	1969	$map->load_header
		1970	or return;
1358		1971
1359	if ($map->should_reset) {	1972	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1973	# doing this can freeze the server in a sync job, obviously
		1974	#$cf::WAIT_FOR_TICK->wait;
		1975	undef $guard2;
		1976	undef $guard1;
1360	$map->reset;	1977	$map->reset;
1361	undef $guard;
1362	$map = find $path	1978	return find $path;
1363	or return;
1364	}	1979	}
1365		1980
1366	$cf::MAP{$key} = $map	1981	$cf::MAP{$path} = $map
1367	}	1982	}
1368	}	1983	}
		1984
		1985	sub pre_load { }
		1986	sub post_load { }
1369		1987
1370	sub load {	1988	sub load {
1371	my ($self) = @_;	1989	my ($self) = @_;
1372		1990
		1991	local $self->{deny_reset} = 1; # loading can take a long time
		1992
1373	my $path = $self->{path};	1993	my $path = $self->{path};
		1994
		1995	{
1374	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1996	my $guard = cf::lock_acquire "map_data:$path";
1375		1997
		1998	return unless $self->valid;
1376	return if $self->in_memory != cf::MAP_SWAPPED;	1999	return unless $self->in_memory == cf::MAP_SWAPPED;
1377		2000
1378	$self->in_memory (cf::MAP_LOADING);	2001	$self->in_memory (cf::MAP_LOADING);
1379		2002
1380	$self->alloc;	2003	$self->alloc;
1381	$self->load_objects ($self->{load_path}, 1)	2004
		2005	$self->pre_load;
		2006	cf::cede_to_tick;
		2007
		2008	my $f = new_from_file cf::object::thawer $self->{load_path};
		2009	$f->skip_block;
		2010	$self->_load_objects ($f)
1382	or return;	2011	or return;
1383		2012
1384	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2013	$self->post_load_original
1385	if delete $self->{load_original};	2014	if delete $self->{load_original};
1386		2015
1387	if (my $uniq = $path->uniq_path) {	2016	if (my $uniq = $self->uniq_path) {
1388	utf8::encode $uniq;	2017	utf8::encode $uniq;
1389	if (aio_open $uniq, O_RDONLY, 0) {	2018	unless (aio_stat $uniq) {
		2019	if (my $f = new_from_file cf::object::thawer $uniq) {
1390	$self->clear_unique_items;	2020	$self->clear_unique_items;
1391	$self->load_objects ($uniq, 0);	2021	$self->_load_objects ($f);
		2022	$f->resolve_delayed_derefs;
		2023	}
1392	}	2024	}
1393	}	2025	}
1394		2026
1395	Coro::cede;	2027	$f->resolve_delayed_derefs;
1396		2028
		2029	cf::cede_to_tick;
1397	# now do the right thing for maps	2030	# now do the right thing for maps
1398	$self->link_multipart_objects;	2031	$self->link_multipart_objects;
1399
1400	if ($self->{path}->is_style_map) {
1401	$self->{deny_save} = 1;
1402	$self->{deny_reset} = 1;
1403	} else {
1404	$self->fix_auto_apply;
1405	$self->decay_objects;
1406	$self->update_buttons;
1407	$self->set_darkness_map;
1408	$self->difficulty ($self->estimate_difficulty)	2032	$self->difficulty ($self->estimate_difficulty)
1409	unless $self->difficulty;	2033	unless $self->difficulty;
		2034	cf::cede_to_tick;
		2035
		2036	unless ($self->{deny_activate}) {
		2037	$self->decay_objects;
		2038	$self->fix_auto_apply;
		2039	$self->update_buttons;
		2040	cf::cede_to_tick;
1410	$self->activate;	2041	$self->activate;
1411	}	2042	}
1412		2043
1413	Coro::cede;	2044	$self->{last_save} = $cf::RUNTIME;
		2045	$self->last_access ($cf::RUNTIME);
1414		2046
1415	$self->in_memory (cf::MAP_IN_MEMORY);	2047	$self->in_memory (cf::MAP_ACTIVE);
		2048	}
		2049
		2050	$self->post_load;
		2051	}
		2052
		2053	sub customise_for {
		2054	my ($self, $ob) = @_;
		2055
		2056	return find "~" . $ob->name . "/" . $self->{path}
		2057	if $self->per_player;
		2058
		2059	# return find "?party/" . $ob->name . "/" . $self->{path}
		2060	# if $self->per_party;
		2061
		2062	$self
1416	}	2063	}
1417		2064
1418	# find and load all maps in the 3x3 area around a map	2065	# find and load all maps in the 3x3 area around a map
1419	sub load_diag {	2066	sub load_neighbours {
1420	my ($map) = @_;	2067	my ($map) = @_;
1421		2068
1422	my @diag; # diagonal neighbours	2069	my @neigh; # diagonal neighbours
1423		2070
1424	for (0 .. 3) {	2071	for (0 .. 3) {
1425	my $neigh = $map->tile_path ($_)	2072	my $neigh = $map->tile_path ($_)
1426	or next;	2073	or next;
1427	$neigh = find $neigh, $map	2074	$neigh = find $neigh, $map
1428	or next;	2075	or next;
1429	$neigh->load;	2076	$neigh->load;
1430		2077
		2078	push @neigh,
1431	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1432	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1433	}	2081	}
1434		2082
1435	for (@diag) {	2083	for (grep defined $_->[0], @neigh) {
		2084	my ($path, $origin) = @$_;
1436	my $neigh = find @$_	2085	my $neigh = find $path, $origin
1437	or next;	2086	or next;
1438	$neigh->load;	2087	$neigh->load;
1439	}	2088	}
1440	}	2089	}
1441		2090
…		…
1446	}	2095	}
1447		2096
1448	sub do_load_sync {	2097	sub do_load_sync {
1449	my ($map) = @_;	2098	my ($map) = @_;
1450		2099
		2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2101	if $Coro::current == $Coro::main;
		2102
1451	cf::sync_job { $map->load };	2103	cf::sync_job { $map->load };
1452	}	2104	}
1453		2105
1454	our %MAP_PREFETCH;	2106	our %MAP_PREFETCH;
		2107	our $MAP_PREFETCHER = undef;
		2108
		2109	sub find_async {
		2110	my ($path, $origin, $load) = @_;
		2111
		2112	$path = normalise $path, $origin && $origin->{path};
		2113
		2114	if (my $map = $cf::MAP{$path}) {
		2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2116	}
		2117
		2118	$MAP_PREFETCH{$path} |= $load;
		2119
1455	our $MAP_PREFETCHER = Coro::async {	2120	$MAP_PREFETCHER ||= cf::async {
1456	while () {	2121	$Coro::current->{desc} = "map prefetcher";
		2122
1457	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
1458	my $key = each %MAP_PREFETCH	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
1459	or next;	2125	if (my $map = find $k) {
		2126	$map->load if $v;
		2127	}
		2128
1460	my $path = delete $MAP_PREFETCH{$key};	2129	delete $MAP_PREFETCH{$k};
1461
1462	my $map = find $path
1463	or next;
1464	$map->load;
1465	}	2130	}
1466	Coro::schedule;	2131	}
		2132	undef $MAP_PREFETCHER;
1467	}	2133	};
1468	};
1469
1470	sub find_async {
1471	my ($path, $origin) = @_;
1472
1473	$path = new cf::path $path, $origin && $origin->path;
1474	my $key = $path->as_string;
1475
1476	if (my $map = $cf::MAP{$key}) {
1477	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1478	}
1479
1480	$MAP_PREFETCH{$key} = $path;
1481	$MAP_PREFETCHER->ready;	2134	$MAP_PREFETCHER->prio (6);
1482		2135
1483	()	2136	()
1484	}	2137	}
1485		2138
1486	sub save {	2139	sub save {
1487	my ($self) = @_;	2140	my ($self) = @_;
1488		2141
1489	my $lock = cf::lock_acquire "map_data:" . $self->path;	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1490		2143
1491	$self->{last_save} = $cf::RUNTIME;	2144	$self->{last_save} = $cf::RUNTIME;
1492		2145
1493	return unless $self->dirty;	2146	return unless $self->dirty;
1494		2147
1495	my $save = $self->{path}->save_path; utf8::encode $save;	2148	my $save = $self->save_path; utf8::encode $save;
1496	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2149	my $uniq = $self->uniq_path; utf8::encode $uniq;
1497		2150
1498	$self->{load_path} = $save;	2151	$self->{load_path} = $save;
1499		2152
1500	return if $self->{deny_save};	2153	return if $self->{deny_save};
1501		2154
1502	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
1503		2156
1504	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
1505	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
1506	};	2160	};
1507		2161
		2162	cf::get_slot 0.02;
		2163
1508	if ($uniq) {	2164	if ($uniq) {
1509	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1510	$self->save_objects ($uniq, cf::IO_UNIQUES);	2166	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1511	} else {	2167	} else {
1512	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2168	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1513	}	2169	}
1514	}	2170	}
1515		2171
1516	sub swap_out {	2172	sub swap_out {
1517	my ($self) = @_;	2173	my ($self) = @_;
1518		2174
1519	# save first because save cedes	2175	# save first because save cedes
1520	$self->save;	2176	$self->save;
1521		2177
1522	my $lock = cf::lock_acquire "map_data:" . $self->path;	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
1523		2179
1524	return if $self->players;	2180	return if $self->players;
1525	return if $self->in_memory != cf::MAP_IN_MEMORY;	2181	return if $self->in_memory != cf::MAP_ACTIVE;
1526	return if $self->{deny_save};	2182	return if $self->{deny_save};
1527		2183
		2184	$self->in_memory (cf::MAP_SWAPPED);
		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
1528	$self->clear;	2188	$self->clear;
1529	$self->in_memory (cf::MAP_SWAPPED);
1530	}	2189	}
1531		2190
1532	sub reset_at {	2191	sub reset_at {
1533	my ($self) = @_;	2192	my ($self) = @_;
1534		2193
1535	# TODO: safety, remove and allow resettable per-player maps	2194	# TODO: safety, remove and allow resettable per-player maps
1536	return 1e99 if $self->{path}{user_rel};
1537	return 1e99 if $self->{deny_reset};	2195	return 1e99 if $self->{deny_reset};
1538		2196
1539	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2197	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1540	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2198	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1541		2199
…		…
1546	my ($self) = @_;	2204	my ($self) = @_;
1547		2205
1548	$self->reset_at <= $cf::RUNTIME	2206	$self->reset_at <= $cf::RUNTIME
1549	}	2207	}
1550		2208
1551	sub unlink_save {
1552	my ($self) = @_;
1553
1554	utf8::encode (my $save = $self->{path}->save_path);
1555	aioreq_pri 3; IO::AIO::aio_unlink $save;
1556	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1557	}
1558
1559	sub rename {
1560	my ($self, $new_path) = @_;
1561
1562	$self->unlink_save;
1563
1564	delete $cf::MAP{$self->path};
1565	$self->{path} = new cf::path $new_path;
1566	$self->path ($self->{path}->as_string);
1567	$cf::MAP{$self->path} = $self;
1568
1569	$self->save;
1570	}
1571
1572	sub reset {	2209	sub reset {
1573	my ($self) = @_;	2210	my ($self) = @_;
1574		2211
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2212	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2213
1577	return if $self->players;	2214	return if $self->players;
1578	return if $self->{path}{user_rel};#d#
1579		2215
1580	warn "resetting map ", $self->path;#d#	2216	warn "resetting map ", $self->path;
		2217
		2218	$self->in_memory (cf::MAP_SWAPPED);
		2219
		2220	# need to save uniques path
		2221	unless ($self->{deny_save}) {
		2222	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2223
		2224	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2225	if $uniq;
		2226	}
1581		2227
1582	delete $cf::MAP{$self->path};	2228	delete $cf::MAP{$self->path};
1583		2229
		2230	$self->deactivate;
1584	$_->clear_links_to ($self) for values %cf::MAP;	2231	$_->clear_links_to ($self) for values %cf::MAP;
		2232	$self->clear;
1585		2233
1586	$self->unlink_save;	2234	$self->unlink_save;
1587	$self->destroy;	2235	$self->destroy;
1588	}	2236	}
1589		2237
1590	my $nuke_counter = "aaaa";	2238	my $nuke_counter = "aaaa";
1591		2239
1592	sub nuke {	2240	sub nuke {
1593	my ($self) = @_;	2241	my ($self) = @_;
1594		2242
		2243	{
		2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2245
		2246	delete $cf::MAP{$self->path};
		2247
		2248	$self->unlink_save;
		2249
		2250	bless $self, "cf::map";
		2251	delete $self->{deny_reset};
1595	$self->{deny_save} = 1;	2252	$self->{deny_save} = 1;
1596	$self->reset_timeout (1);	2253	$self->reset_timeout (1);
1597	$self->rename ("{nuke}/" . ($nuke_counter++));	2254	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2255
		2256	$cf::MAP{$self->path} = $self;
		2257	}
		2258
1598	$self->reset; # polite request, might not happen	2259	$self->reset; # polite request, might not happen
1599	}	2260	}
1600		2261
1601	sub customise_for {	2262	=item $maps = cf::map::tmp_maps
1602	my ($map, $ob) = @_;
1603		2263
1604	if ($map->per_player) {	2264	Returns an arrayref with all map paths of currently instantiated and saved
1605	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2265	maps. May block.
		2266
		2267	=cut
		2268
		2269	sub tmp_maps() {
1606	}	2270	[
		2271	map {
		2272	utf8::decode $_;
		2273	/\.map$/
		2274	? normalise $_
		2275	: ()
		2276	} @{ aio_readdir $TMPDIR or [] }
		2277	]
		2278	}
1607		2279
1608	$map	2280	=item $maps = cf::map::random_maps
		2281
		2282	Returns an arrayref with all map paths of currently instantiated and saved
		2283	random maps. May block.
		2284
		2285	=cut
		2286
		2287	sub random_maps() {
		2288	[
		2289	map {
		2290	utf8::decode $_;
		2291	/\.map$/
		2292	? normalise "?random/$_"
		2293	: ()
		2294	} @{ aio_readdir $RANDOMDIR or [] }
		2295	]
1609	}	2296	}
1610		2297
1611	=item cf::map::unique_maps	2298	=item cf::map::unique_maps
1612		2299
1613	Returns an arrayref of cf::path's of all shared maps that have	2300	Returns an arrayref of paths of all shared maps that have
1614	instantiated unique items. May block.	2301	instantiated unique items. May block.
1615		2302
1616	=cut	2303	=cut
1617		2304
1618	sub unique_maps() {	2305	sub unique_maps() {
1619	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2306	[
1620	or return;	2307	map {
1621
1622	my @paths;
1623
1624	for (@$files) {
1625	utf8::decode $_;	2308	utf8::decode $_;
1626	next if /\.pst$/;	2309	s/\.map$//; # TODO future compatibility hack
1627	next unless /^$PATH_SEP/o;	2310	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1628		2311	? ()
1629	push @paths, new cf::path $_;	2312	: normalise $_
		2313	} @{ aio_readdir $UNIQUEDIR or [] }
1630	}	2314	]
1631
1632	\@paths
1633	}	2315	}
1634
1635	package cf;
1636		2316
1637	=back	2317	=back
1638		2318
1639	=head3 cf::object	2319	=head3 cf::object
1640		2320
…		…
1644		2324
1645	=over 4	2325	=over 4
1646		2326
1647	=item $ob->inv_recursive	2327	=item $ob->inv_recursive
1648		2328
1649	Returns the inventory of the object _and_ their inventories, recursively.	2329	Returns the inventory of the object I<and> their inventories, recursively,
		2330	but I<not> the object itself.
1650		2331
1651	=cut	2332	=cut
1652		2333
1653	sub inv_recursive_;	2334	sub inv_recursive_;
1654	sub inv_recursive_ {	2335	sub inv_recursive_ {
…		…
1657		2338
1658	sub inv_recursive {	2339	sub inv_recursive {
1659	inv_recursive_ inv $_[0]	2340	inv_recursive_ inv $_[0]
1660	}	2341	}
1661		2342
		2343	=item $ref = $ob->ref
		2344
		2345	Creates and returns a persistent reference to an object that can be stored as a string.
		2346
		2347	=item $ob = cf::object::deref ($refstring)
		2348
		2349	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2350	even if the object actually exists. May block.
		2351
		2352	=cut
		2353
		2354	sub deref {
		2355	my ($ref) = @_;
		2356
		2357	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2358	my ($uuid, $name) = ($1, $2);
		2359	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2360	or return;
		2361	$pl->ob->uuid eq $uuid
		2362	or return;
		2363
		2364	$pl->ob
		2365	} else {
		2366	warn "$ref: cannot resolve object reference\n";
		2367	undef
		2368	}
		2369	}
		2370
1662	package cf;	2371	package cf;
1663		2372
1664	=back	2373	=back
1665		2374
1666	=head3 cf::object::player	2375	=head3 cf::object::player
…		…
1672	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2381	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1673	can be C<undef>. Does the right thing when the player is currently in a	2382	can be C<undef>. Does the right thing when the player is currently in a
1674	dialogue with the given NPC character.	2383	dialogue with the given NPC character.
1675		2384
1676	=cut	2385	=cut
		2386
		2387	our $SAY_CHANNEL = {
		2388	id => "say",
		2389	title => "Map",
		2390	reply => "say ",
		2391	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2392	};
		2393
		2394	our $CHAT_CHANNEL = {
		2395	id => "chat",
		2396	title => "Chat",
		2397	reply => "chat ",
		2398	tooltip => "Player chat and shouts, global to the server.",
		2399	};
1677		2400
1678	# rough implementation of a future "reply" method that works	2401	# rough implementation of a future "reply" method that works
1679	# with dialog boxes.	2402	# with dialog boxes.
1680	#TODO: the first argument must go, split into a $npc->reply_to ( method	2403	#TODO: the first argument must go, split into a $npc->reply_to ( method
1681	sub cf::object::player::reply($$$;$) {	2404	sub cf::object::player::reply($$$;$) {
…		…
1683		2406
1684	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1685		2408
1686	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
1687	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
1688	} else {	2412	} else {
		2413	my $pl = $self->contr;
		2414
		2415	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2416	my $dialog = $pl->{npc_dialog};
		2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2418
		2419	} else {
1689	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
1690	$self->message ($msg, $flags);	2421	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2422	}
1691	}	2423	}
		2424	}
		2425
		2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2427
		2428	=cut
		2429
		2430	sub cf::object::send_msg {
		2431	my $pl = shift->contr
		2432	or return;
		2433	$pl->send_msg (@_);
1692	}	2434	}
1693		2435
1694	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
1695		2437
1696	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
1709		2451
1710	=item $player_object->enter_link	2452	=item $player_object->enter_link
1711		2453
1712	Freezes the player and moves him/her to a special map (C<{link}>).	2454	Freezes the player and moves him/her to a special map (C<{link}>).
1713		2455
1714	The player should be reaosnably safe there for short amounts of time. You	2456	The player should be reasonably safe there for short amounts of time (e.g.
1715	I<MUST> call C<leave_link> as soon as possible, though.	2457	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2458	though, as the palyer cannot control the character while it is on the link
		2459	map.
		2460
		2461	Will never block.
1716		2462
1717	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
1718		2464
1719	Moves the player out of the specila link map onto the given map. If the	2465	Moves the player out of the special C<{link}> map onto the specified
1720	map is not valid (or omitted), the player will be moved back to the	2466	map. If the map is not valid (or omitted), the player will be moved back
1721	location he/she was before the call to C<enter_link>, or, if that fails,	2467	to the location he/she was before the call to C<enter_link>, or, if that
1722	to the emergency map position.	2468	fails, to the emergency map position.
1723		2469
1724	Might block.	2470	Might block.
1725		2471
1726	=cut	2472	=cut
		2473
		2474	sub link_map {
		2475	unless ($LINK_MAP) {
		2476	$LINK_MAP = cf::map::find "{link}"
		2477	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2478	$LINK_MAP->load;
		2479	}
		2480
		2481	$LINK_MAP
		2482	}
1727		2483
1728	sub cf::object::player::enter_link {	2484	sub cf::object::player::enter_link {
1729	my ($self) = @_;	2485	my ($self) = @_;
1730		2486
1731	$self->deactivate_recursive;	2487	$self->deactivate_recursive;
1732		2488
1733	return if $self->map == $LINK_MAP;	2489	return if UNIVERSAL::isa $self->map, "ext::map_link";
1734		2490
1735	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2491	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1736	if $self->map;	2492	if $self->map && $self->map->{path} ne "{link}";
1737		2493
1738	$self->enter_map ($LINK_MAP, 20, 20);	2494	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1739	}	2495	}
1740		2496
1741	sub cf::object::player::leave_link {	2497	sub cf::object::player::leave_link {
1742	my ($self, $map, $x, $y) = @_;	2498	my ($self, $map, $x, $y) = @_;
		2499
		2500	return unless $self->contr->active;
1743		2501
1744	my $link_pos = delete $self->{_link_pos};	2502	my $link_pos = delete $self->{_link_pos};
1745		2503
1746	unless ($map) {	2504	unless ($map) {
1747	# restore original map position	2505	# restore original map position
…		…
1761	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
1762	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
1763	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
1764		2522
1765	$map->load;	2523	$map->load;
1766	$map->load_diag;	2524	$map->load_neighbours;
1767		2525
1768	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1769	$self->activate_recursive;	2528	$self->activate_recursive;
		2529
		2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1770	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
1771	}	2532	}
1772		2533
1773	cf::player->attach (	2534	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1774	on_logout => sub {
1775	my ($pl) = @_;
1776		2535
1777	# abort map switching before logout	2536	Moves the player to the given map-path and coordinates by first freezing
1778	if ($pl->ob->{_link_pos}) {	2537	her, loading and preparing them map, calling the provided $check callback
1779	cf::sync_job {	2538	that has to return the map if sucecssful, and then unfreezes the player on
1780	$pl->ob->leave_link	2539	the new (success) or old (failed) map position. In either case, $done will
1781	};	2540	be called at the end of this process.
1782	}
1783	},
1784	on_login => sub {
1785	my ($pl) = @_;
1786		2541
1787	# try to abort aborted map switching on player login :)	2542	Note that $check will be called with a potentially non-loaded map, so if
1788	# should happen only on crashes	2543	it needs a loaded map it has to call C<< ->load >>.
1789	if ($pl->ob->{_link_pos}) {
1790	$pl->ob->enter_link;
1791	(async {
1792	# we need this sleep as the login has a concurrent enter_exit running
1793	# and this sleep increases chances of the player not ending up in scorn
1794	$pl->ob->reply (undef,
1795	"There was an internal problem at your last logout, "
1796	. "the server will try to bring you to your intended destination in a second.",
1797	cf::NDI_RED);
1798	Coro::Timer::sleep 1;
1799	$pl->ob->leave_link;
1800	})->prio (2);
1801	}
1802	},
1803	);
1804		2544
1805	=item $player_object->goto ($path, $x, $y)
1806
1807	=cut	2545	=cut
		2546
		2547	our $GOTOGEN;
1808		2548
1809	sub cf::object::player::goto {	2549	sub cf::object::player::goto {
1810	my ($self, $path, $x, $y) = @_;	2550	my ($self, $path, $x, $y, $check, $done) = @_;
1811		2551
1812	$path = new cf::path $path;	2552	# do generation counting so two concurrent goto's will be executed in-order
		2553	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1813		2554
1814	$self->enter_link;	2555	$self->enter_link;
1815		2556
1816	(async {	2557	(async {
1817	my $map = cf::map::find $path->as_string;	2558	$Coro::current->{desc} = "player::goto $path $x $y";
		2559
		2560	# *tag paths override both path and x|y
		2561	if ($path =~ /^\*(.*)$/) {
		2562	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2563	my $ob = $obs[rand @obs];
		2564
		2565	# see if we actually can go there
		2566	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2567	$ob = $obs[rand @obs];
		2568	} else {
		2569	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2570	}
		2571	# else put us there anyways for now #d#
		2572
		2573	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2574	} else {
		2575	($path, $x, $y) = (undef, undef, undef);
		2576	}
		2577	}
		2578
		2579	my $map = eval {
		2580	my $map = defined $path ? cf::map::find $path : undef;
		2581
		2582	if ($map) {
1818	$map = $map->customise_for ($self) if $map;	2583	$map = $map->customise_for ($self);
1819		2584	$map = $check->($map) if $check && $map;
1820	# warn "entering ", $map->path, " at ($x, $y)\n"	2585	} else {
1821	# if $map;
1822
1823	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2586	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2587	}
1824		2588
		2589	$map
		2590	};
		2591
		2592	if ($@) {
		2593	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2594	LOG llevError | logBacktrace, Carp::longmess $@;
		2595	}
		2596
		2597	if ($gen == $self->{_goto_generation}) {
		2598	delete $self->{_goto_generation};
1825	$self->leave_link ($map, $x, $y);	2599	$self->leave_link ($map, $x, $y);
		2600	}
		2601
		2602	$done->() if $done;
1826	})->prio (1);	2603	})->prio (1);
1827	}	2604	}
1828		2605
1829	=item $player_object->enter_exit ($exit_object)	2606	=item $player_object->enter_exit ($exit_object)
1830		2607
…		…
1832		2609
1833	sub parse_random_map_params {	2610	sub parse_random_map_params {
1834	my ($spec) = @_;	2611	my ($spec) = @_;
1835		2612
1836	my $rmp = { # defaults	2613	my $rmp = { # defaults
1837	xsize => 10,	2614	xsize => (cf::rndm 15, 40),
1838	ysize => 10,	2615	ysize => (cf::rndm 15, 40),
		2616	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2617	#layout => string,
1839	};	2618	};
1840		2619
1841	for (split /\n/, $spec) {	2620	for (split /\n/, $spec) {
1842	my ($k, $v) = split /\s+/, $_, 2;	2621	my ($k, $v) = split /\s+/, $_, 2;
1843		2622
…		…
1855	# that depends on the exit object	2634	# that depends on the exit object
1856		2635
1857	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
1858		2637
1859	if ($exit->map) {	2638	if ($exit->map) {
1860	$rmp->{region} = $exit->map->region_name;	2639	$rmp->{region} = $exit->region->name;
1861	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
1862	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
1863	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
1864	}	2645	}
1865		2646
1866	$rmp->{random_seed} ||= $exit->random_seed;	2647	$rmp->{random_seed} ||= $exit->random_seed;
1867		2648
1868	my $data = cf::to_json $rmp;	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1869	my $md5 = Digest::MD5::md5_hex $data;	2650	my $md5 = Digest::MD5::md5_hex $data;
		2651	my $meta = "$RANDOMDIR/$md5.meta";
1870		2652
1871	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1872	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
		2655	undef $fh;
		2656	aio_rename "$meta~", $meta;
1873		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
1874	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
1875	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
1876	}	2664	}
1877	}	2665	}
1878		2666
1879	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
1880	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
…		…
1882	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
1883		2671
1884	$self->enter_link;	2672	$self->enter_link;
1885		2673
1886	(async {	2674	(async {
1887	$self->deactivate_recursive; # just to be sure	2675	$Coro::current->{desc} = "enter_exit";
		2676
1888	unless (eval {	2677	unless (eval {
		2678	$self->deactivate_recursive; # just to be sure
		2679
		2680	# random map handling
		2681	{
		2682	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2683
1889	prepare_random_map $exit	2684	prepare_random_map $exit
1890	if $exit->slaying eq "/!";	2685	if $exit->slaying eq "/!";
		2686	}
1891		2687
1892	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2688	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1893	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2689	my $x = $exit->stats->hp;
		2690	my $y = $exit->stats->sp;
1894		2691
		2692	$self->goto ($map, $x, $y);
		2693
		2694	# if exit is damned, update players death & WoR home-position
		2695	$self->contr->savebed ($map, $x, $y)
		2696	if $exit->flag (cf::FLAG_DAMNED);
		2697
1895	1;	2698	1
1896	}) {	2699	}) {
1897	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
1898	. "I'll try to bring you back to the map you were before. "	2701	. "I'll try to bring you back to the map you were before. "
1899	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
1900	cf::NDI_UNIQUE | cf::NDI_RED);	2703	cf::NDI_UNIQUE | cf::NDI_RED);
1901		2704
1902	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
1903	$self->leave_link;	2706	$self->leave_link;
1904	}	2707	}
1905	})->prio (1);	2708	})->prio (1);
…		…
1918		2721
1919	sub cf::client::send_drawinfo {	2722	sub cf::client::send_drawinfo {
1920	my ($self, $text, $flags) = @_;	2723	my ($self, $text, $flags) = @_;
1921		2724
1922	utf8::encode $text;	2725	utf8::encode $text;
1923	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2726	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1924	}	2727	}
1925		2728
		2729	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2730
		2731	Send a drawinfo or msg packet to the client, formatting the msg for the
		2732	client if neccessary. C<$type> should be a string identifying the type of
		2733	the message, with C<log> being the default. If C<$color> is negative, suppress
		2734	the message unless the client supports the msg packet.
		2735
		2736	=cut
		2737
		2738	# non-persistent channels (usually the info channel)
		2739	our %CHANNEL = (
		2740	"c/identify" => {
		2741	id => "infobox",
		2742	title => "Identify",
		2743	reply => undef,
		2744	tooltip => "Items recently identified",
		2745	},
		2746	"c/examine" => {
		2747	id => "infobox",
		2748	title => "Examine",
		2749	reply => undef,
		2750	tooltip => "Signs and other items you examined",
		2751	},
		2752	"c/book" => {
		2753	id => "infobox",
		2754	title => "Book",
		2755	reply => undef,
		2756	tooltip => "The contents of a note or book",
		2757	},
		2758	"c/lookat" => {
		2759	id => "infobox",
		2760	title => "Look",
		2761	reply => undef,
		2762	tooltip => "What you saw there",
		2763	},
		2764	"c/who" => {
		2765	id => "infobox",
		2766	title => "Players",
		2767	reply => undef,
		2768	tooltip => "Shows players who are currently online",
		2769	},
		2770	"c/body" => {
		2771	id => "infobox",
		2772	title => "Body Parts",
		2773	reply => undef,
		2774	tooltip => "Shows which body parts you posess and are available",
		2775	},
		2776	"c/statistics" => {
		2777	id => "infobox",
		2778	title => "Statistics",
		2779	reply => undef,
		2780	tooltip => "Shows your primary statistics",
		2781	},
		2782	"c/skills" => {
		2783	id => "infobox",
		2784	title => "Skills",
		2785	reply => undef,
		2786	tooltip => "Shows your experience per skill and item power",
		2787	},
		2788	"c/resistances" => {
		2789	id => "infobox",
		2790	title => "Resistances",
		2791	reply => undef,
		2792	tooltip => "Shows your resistances",
		2793	},
		2794	"c/pets" => {
		2795	id => "infobox",
		2796	title => "Pets",
		2797	reply => undef,
		2798	tooltip => "Shows information abotu your pets/a specific pet",
		2799	},
		2800	"c/uptime" => {
		2801	id => "infobox",
		2802	title => "Uptime",
		2803	reply => undef,
		2804	tooltip => "How long the server has been running since last restart",
		2805	},
		2806	"c/mapinfo" => {
		2807	id => "infobox",
		2808	title => "Map Info",
		2809	reply => undef,
		2810	tooltip => "Information related to the maps",
		2811	},
		2812	"c/party" => {
		2813	id => "party",
		2814	title => "Party",
		2815	reply => "gsay ",
		2816	tooltip => "Messages and chat related to your party",
		2817	},
		2818	"c/death" => {
		2819	id => "death",
		2820	title => "Death",
		2821	reply => undef,
		2822	tooltip => "Reason for and more info about your most recent death",
		2823	},
		2824	"c/say" => $SAY_CHANNEL,
		2825	"c/chat" => $CHAT_CHANNEL,
		2826	);
		2827
		2828	sub cf::client::send_msg {
		2829	my ($self, $channel, $msg, $color, @extra) = @_;
		2830
		2831	$msg = $self->pl->expand_cfpod ($msg)
		2832	unless $color & cf::NDI_VERBATIM;
		2833
		2834	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2835
		2836	# check predefined channels, for the benefit of C
		2837	if ($CHANNEL{$channel}) {
		2838	$channel = $CHANNEL{$channel};
		2839
		2840	$self->ext_msg (channel_info => $channel);
		2841	$channel = $channel->{id};
		2842
		2843	} elsif (ref $channel) {
		2844	# send meta info to client, if not yet sent
		2845	unless (exists $self->{channel}{$channel->{id}}) {
		2846	$self->{channel}{$channel->{id}} = $channel;
		2847	$self->ext_msg (channel_info => $channel);
		2848	}
		2849
		2850	$channel = $channel->{id};
		2851	}
		2852
		2853	return unless @extra || length $msg;
		2854
		2855	# default colour, mask it out
		2856	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2857	if $color & cf::NDI_DEF;
		2858
		2859	my $pkt = "msg "
		2860	. $self->{json_coder}->encode (
		2861	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2862	);
		2863
		2864	# try lzf for large packets
		2865	$pkt = "lzf " . Compress::LZF::compress $pkt
		2866	if 1024 <= length $pkt and $self->{can_lzf};
		2867
		2868	# split very large packets
		2869	if (8192 < length $pkt and $self->{can_lzf}) {
		2870	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2871	$pkt = "frag";
		2872	}
		2873
		2874	$self->send_packet ($pkt);
		2875	}
		2876
		2877	=item $client->ext_msg ($type, @msg)
		2878
		2879	Sends an ext event to the client.
		2880
		2881	=cut
		2882
		2883	sub cf::client::ext_msg($$@) {
		2884	my ($self, $type, @msg) = @_;
		2885
		2886	if ($self->extcmd == 2) {
		2887	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2888	} elsif ($self->extcmd == 1) { # TODO: remove
		2889	push @msg, msgtype => "event_$type";
		2890	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2891	}
		2892	}
		2893
		2894	=item $client->ext_reply ($msgid, @msg)
		2895
		2896	Sends an ext reply to the client.
		2897
		2898	=cut
		2899
		2900	sub cf::client::ext_reply($$@) {
		2901	my ($self, $id, @msg) = @_;
		2902
		2903	if ($self->extcmd == 2) {
		2904	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2905	} elsif ($self->extcmd == 1) {
		2906	#TODO: version 1, remove
		2907	unshift @msg, msgtype => "reply", msgid => $id;
		2908	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2909	}
		2910	}
1926		2911
1927	=item $success = $client->query ($flags, "text", \&cb)	2912	=item $success = $client->query ($flags, "text", \&cb)
1928		2913
1929	Queues a query to the client, calling the given callback with	2914	Queues a query to the client, calling the given callback with
1930	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2915	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1931	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2916	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1932		2917
1933	Queries can fail, so check the return code. Or don't, as queries will become	2918	Queries can fail, so check the return code. Or don't, as queries will
1934	reliable at some point in the future.	2919	become reliable at some point in the future.
1935		2920
1936	=cut	2921	=cut
1937		2922
1938	sub cf::client::query {	2923	sub cf::client::query {
1939	my ($self, $flags, $text, $cb) = @_;	2924	my ($self, $flags, $text, $cb) = @_;
…		…
1947	utf8::encode $text;	2932	utf8::encode $text;
1948	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2933	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1949		2934
1950	$self->send_packet ($self->{query_queue}[0][0])	2935	$self->send_packet ($self->{query_queue}[0][0])
1951	if @{ $self->{query_queue} } == 1;	2936	if @{ $self->{query_queue} } == 1;
		2937
		2938	1
1952	}	2939	}
1953		2940
1954	cf::client->attach (	2941	cf::client->attach (
		2942	on_connect => sub {
		2943	my ($ns) = @_;
		2944
		2945	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2946	},
1955	on_reply => sub {	2947	on_reply => sub {
1956	my ($ns, $msg) = @_;	2948	my ($ns, $msg) = @_;
1957		2949
1958	# this weird shuffling is so that direct followup queries	2950	# this weird shuffling is so that direct followup queries
1959	# get handled first	2951	# get handled first
1960	my $queue = delete $ns->{query_queue}	2952	my $queue = delete $ns->{query_queue}
1961	or return; # be conservative, not sure how that can happen, but we saw a crash here	2953	or return; # be conservative, not sure how that can happen, but we saw a crash here
1962		2954
1963	(shift @$queue)->[1]->($msg);	2955	(shift @$queue)->[1]->($msg);
		2956	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1964		2957
1965	push @{ $ns->{query_queue} }, @$queue;	2958	push @{ $ns->{query_queue} }, @$queue;
1966		2959
1967	if (@{ $ns->{query_queue} } == @$queue) {	2960	if (@{ $ns->{query_queue} } == @$queue) {
1968	if (@$queue) {	2961	if (@$queue) {
…		…
1970	} else {	2963	} else {
1971	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2964	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1972	}	2965	}
1973	}	2966	}
1974	},	2967	},
		2968	on_exticmd => sub {
		2969	my ($ns, $buf) = @_;
		2970
		2971	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2972
		2973	if (ref $msg) {
		2974	my ($type, $reply, @payload) =
		2975	"ARRAY" eq ref $msg
		2976	? @$msg
		2977	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2978
		2979	my @reply;
		2980
		2981	if (my $cb = $EXTICMD{$type}) {
		2982	@reply = $cb->($ns, @payload);
		2983	}
		2984
		2985	$ns->ext_reply ($reply, @reply)
		2986	if $reply;
		2987
		2988	} else {
		2989	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2990	}
		2991
		2992	cf::override;
		2993	},
1975	);	2994	);
1976		2995
1977	=item $client->async (\&cb)	2996	=item $client->async (\&cb)
1978		2997
1979	Create a new coroutine, running the specified callback. The coroutine will	2998	Create a new coroutine, running the specified callback. The coroutine will
…		…
2020	our $safe = new Safe "safe";	3039	our $safe = new Safe "safe";
2021	our $safe_hole = new Safe::Hole;	3040	our $safe_hole = new Safe::Hole;
2022		3041
2023	$SIG{FPE} = 'IGNORE';	3042	$SIG{FPE} = 'IGNORE';
2024		3043
2025	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3044	$safe->permit_only (Opcode::opset qw(
		3045	:base_core :base_mem :base_orig :base_math
		3046	grepstart grepwhile mapstart mapwhile
		3047	sort time
		3048	));
2026		3049
2027	# here we export the classes and methods available to script code	3050	# here we export the classes and methods available to script code
2028		3051
2029	=pod	3052	=pod
2030		3053
2031	The following fucntions and emthods are available within a safe environment:	3054	The following functions and methods are available within a safe environment:
2032		3055
2033	cf::object contr pay_amount pay_player map	3056	cf::object
		3057	contr pay_amount pay_player map x y force_find force_add destroy
		3058	insert remove name archname title slaying race decrease split
		3059	value
		3060
2034	cf::object::player player	3061	cf::object::player
2035	cf::player peaceful	3062	player
2036	cf::map trigger	3063
		3064	cf::player
		3065	peaceful
		3066
		3067	cf::map
		3068	trigger
2037		3069
2038	=cut	3070	=cut
2039		3071
2040	for (	3072	for (
2041	["cf::object" => qw(contr pay_amount pay_player map)],	3073	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3074	insert remove inv nrof name archname title slaying race
		3075	decrease split destroy change_exp value msg lore send_msg)],
2042	["cf::object::player" => qw(player)],	3076	["cf::object::player" => qw(player)],
2043	["cf::player" => qw(peaceful)],	3077	["cf::player" => qw(peaceful send_msg)],
2044	["cf::map" => qw(trigger)],	3078	["cf::map" => qw(trigger)],
2045	) {	3079	) {
2046	no strict 'refs';	3080	no strict 'refs';
2047	my ($pkg, @funs) = @$_;	3081	my ($pkg, @funs) = @$_;
2048	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3082	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2065	my ($code, %vars) = @_;	3099	my ($code, %vars) = @_;
2066		3100
2067	my $qcode = $code;	3101	my $qcode = $code;
2068	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3102	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2069	$qcode =~ s/\n/\\n/g;	3103	$qcode =~ s/\n/\\n/g;
		3104
		3105	%vars = (_dummy => 0) unless %vars;
2070		3106
2071	local $_;	3107	local $_;
2072	local @safe::cf::_safe_eval_args = values %vars;	3108	local @safe::cf::_safe_eval_args = values %vars;
2073		3109
2074	my $eval =	3110	my $eval =
…		…
2117	=back	3153	=back
2118		3154
2119	=cut	3155	=cut
2120		3156
2121	#############################################################################	3157	#############################################################################
		3158	# the server's init and main functions
2122		3159
2123	=head2 EXTENSION DATABASE SUPPORT	3160	sub load_facedata($) {
		3161	my ($path) = @_;
2124		3162
2125	Crossfire maintains a very simple database for extension use. It can	3163	# HACK to clear player env face cache, we need some signal framework
2126	currently store anything that can be serialised using Storable, which	3164	# for this (global event?)
2127	excludes objects.	3165	%ext::player_env::MUSIC_FACE_CACHE = ();
2128		3166
2129	The parameter C<$family> should best start with the name of the extension	3167	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2130	using it, it should be unique.
2131		3168
2132	=over 4	3169	warn "loading facedata from $path\n";
2133		3170
2134	=item $hashref = cf::db_get $family	3171	my $facedata;
		3172	0 < aio_load $path, $facedata
		3173	or die "$path: $!";
2135		3174
2136	Return a hashref for use by the extension C<$family>, which can be	3175	$facedata = Coro::Storable::thaw $facedata;
2137	modified. After modifications, you have to call C<cf::db_dirty> or
2138	C<cf::db_sync>.
2139		3176
2140	=item $value = cf::db_get $family => $key	3177	$facedata->{version} == 2
		3178	or cf::cleanup "$path: version mismatch, cannot proceed.";
2141		3179
2142	Returns a single value from the database	3180	# patch in the exptable
2143		3181	$facedata->{resource}{"res/exp_table"} = {
2144	=item cf::db_put $family => $hashref	3182	type => FT_RSRC,
2145		3183	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2146	Stores the given family hashref into the database. Updates are delayed, if
2147	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2148
2149	=item cf::db_put $family => $key => $value
2150
2151	Stores the given C<$value> in the family hash. Updates are delayed, if you
2152	want the data to be synced to disk immediately, use C<cf::db_sync>.
2153
2154	=item cf::db_dirty
2155
2156	Marks the database as dirty, to be updated at a later time.
2157
2158	=item cf::db_sync
2159
2160	Immediately write the database to disk I<if it is dirty>.
2161
2162	=cut
2163
2164	our $DB;
2165
2166	{
2167	my $path = cf::localdir . "/database.pst";
2168
2169	sub db_load() {
2170	$DB = stat $path ? Storable::retrieve $path : { };
2171	}
2172
2173	my $pid;
2174
2175	sub db_save() {
2176	waitpid $pid, 0 if $pid;
2177	if (0 == ($pid = fork)) {
2178	$DB->{_meta}{version} = 1;
2179	Storable::nstore $DB, "$path~";
2180	rename "$path~", $path;
2181	cf::_exit 0 if defined $pid;
2182	}
2183	}
2184
2185	my $dirty;
2186
2187	sub db_sync() {
2188	db_save if $dirty;
2189	undef $dirty;
2190	}
2191
2192	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2193	db_sync;
2194	});	3184	};
		3185	cf::cede_to_tick;
2195		3186
2196	sub db_dirty() {
2197	$dirty = 1;
2198	$idle->start;
2199	}	3187	{
		3188	my $faces = $facedata->{faceinfo};
2200		3189
2201	sub db_get($;$) {	3190	while (my ($face, $info) = each %$faces) {
2202	@_ >= 2	3191	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2203	? $DB->{$_[0]}{$_[1]}
2204	: ($DB->{$_[0]} ||= { })
2205	}
2206		3192
2207	sub db_put($$;$) {	3193	cf::face::set_visibility $idx, $info->{visibility};
2208	if (@_ >= 3) {	3194	cf::face::set_magicmap $idx, $info->{magicmap};
2209	$DB->{$_[0]}{$_[1]} = $_[2];	3195	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2210	} else {	3196	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2211	$DB->{$_[0]} = $_[1];
2212	}
2213	db_dirty;
2214	}
2215		3197
2216	cf::global->attach (	3198	cf::cede_to_tick;
2217	prio => 10000,
2218	on_cleanup => sub {
2219	db_sync;
2220	},	3199	}
2221	);
2222	}
2223		3200
2224	#############################################################################	3201	while (my ($face, $info) = each %$faces) {
2225	# the server's main()	3202	next unless $info->{smooth};
2226		3203
2227	sub cfg_load {	3204	my $idx = cf::face::find $face
		3205	or next;
		3206
		3207	if (my $smooth = cf::face::find $info->{smooth}) {
		3208	cf::face::set_smooth $idx, $smooth;
		3209	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3210	} else {
		3211	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3212	}
		3213
		3214	cf::cede_to_tick;
		3215	}
		3216	}
		3217
		3218	{
		3219	my $anims = $facedata->{animinfo};
		3220
		3221	while (my ($anim, $info) = each %$anims) {
		3222	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3223	cf::cede_to_tick;
		3224	}
		3225
		3226	cf::anim::invalidate_all; # d'oh
		3227	}
		3228
		3229	{
		3230	# TODO: for gcfclient pleasure, we should give resources
		3231	# that gcfclient doesn't grok a >10000 face index.
		3232	my $res = $facedata->{resource};
		3233
		3234	while (my ($name, $info) = each %$res) {
		3235	if (defined $info->{type}) {
		3236	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3237	my $data;
		3238
		3239	if ($info->{type} & 1) {
		3240	# prepend meta info
		3241
		3242	my $meta = $enc->encode ({
		3243	name => $name,
		3244	%{ $info->{meta} || {} },
		3245	});
		3246
		3247	$data = pack "(w/a*)*", $meta, $info->{data};
		3248	} else {
		3249	$data = $info->{data};
		3250	}
		3251
		3252	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3253	cf::face::set_type $idx, $info->{type};
		3254	} else {
		3255	$RESOURCE{$name} = $info;
		3256	}
		3257
		3258	cf::cede_to_tick;
		3259	}
		3260	}
		3261
		3262	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3263
		3264	1
		3265	}
		3266
		3267	cf::global->attach (on_resource_update => sub {
		3268	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3269	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3270
		3271	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3272	my $sound = $soundconf->{compat}[$_]
		3273	or next;
		3274
		3275	my $face = cf::face::find "sound/$sound->[1]";
		3276	cf::sound::set $sound->[0] => $face;
		3277	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3278	}
		3279
		3280	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3281	my $face = cf::face::find "sound/$v";
		3282	cf::sound::set $k => $face;
		3283	}
		3284	}
		3285	});
		3286
		3287	register_exticmd fx_want => sub {
		3288	my ($ns, $want) = @_;
		3289
		3290	while (my ($k, $v) = each %$want) {
		3291	$ns->fx_want ($k, $v);
		3292	}
		3293	};
		3294
		3295	sub load_resource_file($) {
		3296	my $guard = lock_acquire "load_resource_file";
		3297
		3298	my $status = load_resource_file_ $_[0];
		3299	get_slot 0.1, 100;
		3300	cf::arch::commit_load;
		3301
		3302	$status
		3303	}
		3304
		3305	sub reload_regions {
		3306	# HACK to clear player env face cache, we need some signal framework
		3307	# for this (global event?)
		3308	%ext::player_env::MUSIC_FACE_CACHE = ();
		3309
		3310	load_resource_file "$MAPDIR/regions"
		3311	or die "unable to load regions file\n";
		3312
		3313	for (cf::region::list) {
		3314	$_->{match} = qr/$_->{match}/
		3315	if exists $_->{match};
		3316	}
		3317	}
		3318
		3319	sub reload_facedata {
		3320	load_facedata "$DATADIR/facedata"
		3321	or die "unable to load facedata\n";
		3322	}
		3323
		3324	sub reload_archetypes {
		3325	load_resource_file "$DATADIR/archetypes"
		3326	or die "unable to load archetypes\n";
		3327	}
		3328
		3329	sub reload_treasures {
		3330	load_resource_file "$DATADIR/treasures"
		3331	or die "unable to load treasurelists\n";
		3332	}
		3333
		3334	sub reload_resources {
		3335	warn "reloading resource files...\n";
		3336
		3337	reload_facedata;
		3338	reload_archetypes;
		3339	reload_regions;
		3340	reload_treasures;
		3341
		3342	warn "finished reloading resource files\n";
		3343	}
		3344
		3345	sub reload_config {
2228	open my $fh, "<:utf8", cf::confdir . "/config"	3346	open my $fh, "<:utf8", "$CONFDIR/config"
2229	or return;	3347	or return;
2230		3348
2231	local $/;	3349	local $/;
2232	*CFG = YAML::Syck::Load <$fh>;	3350	*CFG = YAML::Load <$fh>;
2233		3351
2234	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3352	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2235		3353
2236	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3354	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2237	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3355	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2243	};	3361	};
2244	warn $@ if $@;	3362	warn $@ if $@;
2245	}	3363	}
2246	}	3364	}
2247		3365
		3366	sub pidfile() {
		3367	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3368	or die "$PIDFILE: $!";
		3369	flock $fh, &Fcntl::LOCK_EX
		3370	or die "$PIDFILE: flock: $!";
		3371	$fh
		3372	}
		3373
		3374	# make sure only one server instance is running at any one time
		3375	sub atomic {
		3376	my $fh = pidfile;
		3377
		3378	my $pid = <$fh>;
		3379	kill 9, $pid if $pid > 0;
		3380
		3381	seek $fh, 0, 0;
		3382	print $fh $$;
		3383	}
		3384
2248	sub main {	3385	sub main {
		3386	cf::init_globals; # initialise logging
		3387
		3388	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3389	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3390	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3391	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3392
		3393	cf::init_experience;
		3394	cf::init_anim;
		3395	cf::init_attackmess;
		3396	cf::init_dynamic;
		3397
		3398	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3399
2249	# we must not ever block the main coroutine	3400	# we must not ever block the main coroutine
2250	local $Coro::idle = sub {	3401	local $Coro::idle = sub {
2251	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3402	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2252	async { Event::one_event };	3403	(async {
		3404	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3405	EV::loop EV::LOOP_ONESHOT;
		3406	})->prio (Coro::PRIO_MAX);
2253	};	3407	};
2254		3408
2255	cfg_load;	3409	evthread_start IO::AIO::poll_fileno;
2256	db_load;	3410
		3411	cf::sync_job {
		3412	reload_resources;
		3413	reload_config;
		3414	db_init;
		3415
		3416	cf::load_settings;
		3417	cf::load_materials;
		3418	cf::init_uuid;
		3419	cf::init_signals;
		3420	cf::init_commands;
		3421	cf::init_skills;
		3422
		3423	cf::init_beforeplay;
		3424
		3425	atomic;
		3426
2257	load_extensions;	3427	load_extensions;
		3428
		3429	utime time, time, $RUNTIMEFILE;
		3430
		3431	# no (long-running) fork's whatsoever before this point(!)
		3432	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3433
		3434	(pop @POST_INIT)->(0) while @POST_INIT;
		3435	};
		3436
2258	Event::loop;	3437	EV::loop;
2259	}	3438	}
2260		3439
2261	#############################################################################	3440	#############################################################################
2262	# initialisation and cleanup	3441	# initialisation and cleanup
2263		3442
2264	# install some emergency cleanup handlers	3443	# install some emergency cleanup handlers
2265	BEGIN {	3444	BEGIN {
		3445	our %SIGWATCHER = ();
2266	for my $signal (qw(INT HUP TERM)) {	3446	for my $signal (qw(INT HUP TERM)) {
2267	Event->signal (	3447	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2268	data => WF_AUTOCANCEL,
2269	signal => $signal,
2270	cb => sub {
2271	cf::cleanup "SIG$signal";	3448	cf::cleanup "SIG$signal";
2272	},
2273	);	3449	};
		3450	}
		3451	}
		3452
		3453	sub write_runtime_sync {
		3454	# first touch the runtime file to show we are still running:
		3455	# the fsync below can take a very very long time.
		3456
		3457	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3458
		3459	my $guard = cf::lock_acquire "write_runtime";
		3460
		3461	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3462	or return;
		3463
		3464	my $value = $cf::RUNTIME + 90 + 10;
		3465	# 10 is the runtime save interval, for a monotonic clock
		3466	# 60 allows for the watchdog to kill the server.
		3467
		3468	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3469	and return;
		3470
		3471	# always fsync - this file is important
		3472	aio_fsync $fh
		3473	and return;
		3474
		3475	# touch it again to show we are up-to-date
		3476	aio_utime $fh, undef, undef;
		3477
		3478	close $fh
		3479	or return;
		3480
		3481	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3482	and return;
		3483
		3484	warn "runtime file written.\n";
		3485
2274	}	3486	1
		3487	}
		3488
		3489	our $uuid_lock;
		3490	our $uuid_skip;
		3491
		3492	sub write_uuid_sync($) {
		3493	$uuid_skip ||= $_[0];
		3494
		3495	return if $uuid_lock;
		3496	local $uuid_lock = 1;
		3497
		3498	my $uuid = "$LOCALDIR/uuid";
		3499
		3500	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3501	or return;
		3502
		3503	my $value = uuid_seq uuid_cur;
		3504
		3505	unless ($value) {
		3506	warn "cowardly refusing to write zero uuid value!\n";
		3507	return;
		3508	}
		3509
		3510	my $value = uuid_str $value + $uuid_skip;
		3511	$uuid_skip = 0;
		3512
		3513	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3514	and return;
		3515
		3516	# always fsync - this file is important
		3517	aio_fsync $fh
		3518	and return;
		3519
		3520	close $fh
		3521	or return;
		3522
		3523	aio_rename "$uuid~", $uuid
		3524	and return;
		3525
		3526	warn "uuid file written ($value).\n";
		3527
		3528	1
		3529
		3530	}
		3531
		3532	sub write_uuid($$) {
		3533	my ($skip, $sync) = @_;
		3534
		3535	$sync ? write_uuid_sync $skip
		3536	: async { write_uuid_sync $skip };
2275	}	3537	}
2276		3538
2277	sub emergency_save() {	3539	sub emergency_save() {
2278	my $freeze_guard = cf::freeze_mainloop;	3540	my $freeze_guard = cf::freeze_mainloop;
2279		3541
2280	warn "enter emergency perl save\n";	3542	warn "emergency_perl_save: enter\n";
2281		3543
2282	cf::sync_job {	3544	cf::sync_job {
		3545	# this is a trade-off: we want to be very quick here, so
		3546	# save all maps without fsync, and later call a global sync
		3547	# (which in turn might be very very slow)
		3548	local $USE_FSYNC = 0;
		3549
2283	# use a peculiar iteration method to avoid tripping on perl	3550	# use a peculiar iteration method to avoid tripping on perl
2284	# refcount bugs in for. also avoids problems with players	3551	# refcount bugs in for. also avoids problems with players
2285	# and maps saved/Destroyed asynchronously.	3552	# and maps saved/destroyed asynchronously.
2286	warn "begin emergency player save\n";	3553	warn "emergency_perl_save: begin player save\n";
2287	for my $login (keys %cf::PLAYER) {	3554	for my $login (keys %cf::PLAYER) {
2288	my $pl = $cf::PLAYER{$login} or next;	3555	my $pl = $cf::PLAYER{$login} or next;
2289	$pl->valid or next;	3556	$pl->valid or next;
		3557	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2290	$pl->save;	3558	$pl->save;
2291	}	3559	}
2292	warn "end emergency player save\n";	3560	warn "emergency_perl_save: end player save\n";
2293		3561
2294	warn "begin emergency map save\n";	3562	warn "emergency_perl_save: begin map save\n";
2295	for my $path (keys %cf::MAP) {	3563	for my $path (keys %cf::MAP) {
2296	my $map = $cf::MAP{$path} or next;	3564	my $map = $cf::MAP{$path} or next;
2297	$map->valid or next;	3565	$map->valid or next;
2298	$map->save;	3566	$map->save;
2299	}	3567	}
2300	warn "end emergency map save\n";	3568	warn "emergency_perl_save: end map save\n";
		3569
		3570	warn "emergency_perl_save: begin database checkpoint\n";
		3571	BDB::db_env_txn_checkpoint $DB_ENV;
		3572	warn "emergency_perl_save: end database checkpoint\n";
		3573
		3574	warn "emergency_perl_save: begin write uuid\n";
		3575	write_uuid_sync 1;
		3576	warn "emergency_perl_save: end write uuid\n";
2301	};	3577	};
2302		3578
		3579	warn "emergency_perl_save: starting sync()\n";
		3580	IO::AIO::aio_sync sub {
		3581	warn "emergency_perl_save: finished sync()\n";
		3582	};
		3583
2303	warn "leave emergency perl save\n";	3584	warn "emergency_perl_save: leave\n";
2304	}	3585	}
2305		3586
		3587	sub post_cleanup {
		3588	my ($make_core) = @_;
		3589
		3590	warn Carp::longmess "post_cleanup backtrace"
		3591	if $make_core;
		3592
		3593	my $fh = pidfile;
		3594	unlink $PIDFILE if <$fh> == $$;
		3595	}
		3596
		3597	# a safer delete_package, copied from Symbol
		3598	sub clear_package($) {
		3599	my $pkg = shift;
		3600
		3601	# expand to full symbol table name if needed
		3602	unless ($pkg =~ /^main::.*::$/) {
		3603	$pkg = "main$pkg" if $pkg =~ /^::/;
		3604	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3605	$pkg .= '::' unless $pkg =~ /::$/;
		3606	}
		3607
		3608	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3609	my $stem_symtab = *{$stem}{HASH};
		3610
		3611	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3612	or return;
		3613
		3614	# clear all symbols
		3615	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3616	for my $name (keys %$leaf_symtab) {
		3617	_gv_clear *{"$pkg$name"};
		3618	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3619	}
		3620	warn "cleared package $pkg\n";#d#
		3621	}
		3622
2306	sub reload() {	3623	sub do_reload_perl() {
2307	# can/must only be called in main	3624	# can/must only be called in main
2308	if ($Coro::current != $Coro::main) {	3625	if ($Coro::current != $Coro::main) {
2309	warn "can only reload from main coroutine\n";	3626	warn "can only reload from main coroutine";
2310	return;	3627	return;
2311	}	3628	}
2312		3629
		3630	return if $RELOAD++;
		3631
		3632	my $t1 = EV::time;
		3633
		3634	while ($RELOAD) {
2313	warn "reloading...";	3635	warn "reloading...";
2314		3636
2315	warn "freezing server";	3637	warn "entering sync_job";
2316	my $guard = freeze_mainloop;	3638
		3639	cf::sync_job {
		3640	cf::write_runtime_sync; # external watchdog should not bark
2317	cf::emergency_save;	3641	cf::emergency_save;
		3642	cf::write_runtime_sync; # external watchdog should not bark
2318		3643
2319	warn "sync database to disk";	3644	warn "syncing database to disk";
2320	cf::db_sync;	3645	BDB::db_env_txn_checkpoint $DB_ENV;
2321	IO::AIO::flush;
2322		3646
2323	eval {
2324	# if anything goes wrong in here, we should simply crash as we already saved	3647	# if anything goes wrong in here, we should simply crash as we already saved
2325		3648
2326	warn "cancel all watchers";	3649	warn "flushing outstanding aio requests";
2327	for (Event::all_watchers) {	3650	while (IO::AIO::nreqs || BDB::nreqs) {
2328	$_->cancel if $_->data & WF_AUTOCANCEL;	3651	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2329	}
2330
2331	warn "cancel all extension coros";
2332	$_->cancel for values %EXT_CORO;
2333	%EXT_CORO = ();
2334
2335	warn "remove commands";
2336	%COMMAND = ();
2337
2338	warn "remove ext commands";
2339	%EXTCMD = ();
2340
2341	warn "unload/nuke all extensions";
2342	for my $pkg (@EXTS) {
2343	warn "... unloading $pkg";
2344
2345	if (my $cb = $pkg->can ("unload")) {
2346	eval {
2347	$cb->($pkg);
2348	1
2349	} or warn "$pkg unloaded, but with errors: $@";
2350	}	3652	}
2351		3653
		3654	warn "cancelling all extension coros";
		3655	$_->cancel for values %EXT_CORO;
		3656	%EXT_CORO = ();
		3657
		3658	warn "removing commands";
		3659	%COMMAND = ();
		3660
		3661	warn "removing ext/exti commands";
		3662	%EXTCMD = ();
		3663	%EXTICMD = ();
		3664
		3665	warn "unloading/nuking all extensions";
		3666	for my $pkg (@EXTS) {
2352	warn "... nuking $pkg";	3667	warn "... unloading $pkg";
2353	Symbol::delete_package $pkg;
2354	}
2355		3668
2356	warn "unload all perl modules loaded from $LIBDIR";
2357	while (my ($k, $v) = each %INC) {
2358	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2359
2360	warn "removing <$k>";
2361	delete $INC{$k};
2362
2363	$k =~ s/\.pm$//;
2364	$k =~ s/\//::/g;
2365
2366	if (my $cb = $k->can ("unload_module")) {	3669	if (my $cb = $pkg->can ("unload")) {
		3670	eval {
2367	$cb->();	3671	$cb->($pkg);
		3672	1
		3673	} or warn "$pkg unloaded, but with errors: $@";
		3674	}
		3675
		3676	warn "... clearing $pkg";
		3677	clear_package $pkg;
2368	}	3678	}
2369		3679
2370	Symbol::delete_package $k;	3680	warn "unloading all perl modules loaded from $LIBDIR";
		3681	while (my ($k, $v) = each %INC) {
		3682	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3683
		3684	warn "... unloading $k";
		3685	delete $INC{$k};
		3686
		3687	$k =~ s/\.pm$//;
		3688	$k =~ s/\//::/g;
		3689
		3690	if (my $cb = $k->can ("unload_module")) {
		3691	$cb->();
		3692	}
		3693
		3694	clear_package $k;
2371	}	3695	}
2372		3696
2373	warn "get rid of safe::, as good as possible";	3697	warn "getting rid of safe::, as good as possible";
2374	Symbol::delete_package "safe::$_"	3698	clear_package "safe::$_"
2375	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3699	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2376		3700
2377	warn "unload cf.pm \"a bit\"";	3701	warn "unloading cf.pm \"a bit\"";
2378	delete $INC{"cf.pm"};	3702	delete $INC{"cf.pm"};
		3703	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2379		3704
2380	# don't, removes xs symbols, too,	3705	# don't, removes xs symbols, too,
2381	# and global variables created in xs	3706	# and global variables created in xs
2382	#Symbol::delete_package __PACKAGE__;	3707	#clear_package __PACKAGE__;
2383		3708
		3709	warn "unload completed, starting to reload now";
		3710
2384	warn "reloading cf.pm";	3711	warn "reloading cf.pm";
2385	require cf;	3712	require cf;
2386	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3713	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2387		3714
2388	warn "load config and database again";	3715	warn "loading config and database again";
2389	cf::cfg_load;	3716	cf::reload_config;
2390	cf::db_load;
2391		3717
2392	warn "load extensions";	3718	warn "loading extensions";
2393	cf::load_extensions;	3719	cf::load_extensions;
2394		3720
		3721	if ($REATTACH_ON_RELOAD) {
2395	warn "reattach attachments to objects/players";	3722	warn "reattaching attachments to objects/players";
2396	_global_reattach;	3723	_global_reattach; # objects, sockets
2397	warn "reattach attachments to maps";	3724	warn "reattaching attachments to maps";
2398	reattach $_ for values %MAP;	3725	reattach $_ for values %MAP;
		3726	warn "reattaching attachments to players";
		3727	reattach $_ for values %PLAYER;
		3728	}
		3729
		3730	warn "running post_init jobs";
		3731	(pop @POST_INIT)->(1) while @POST_INIT;
		3732
		3733	warn "leaving sync_job";
		3734
		3735	1
		3736	} or do {
		3737	warn $@;
		3738	cf::cleanup "error while reloading, exiting.";
		3739	};
		3740
		3741	warn "reloaded";
		3742	--$RELOAD;
		3743	}
		3744
		3745	$t1 = EV::time - $t1;
		3746	warn "reload completed in ${t1}s\n";
		3747	};
		3748
		3749	our $RELOAD_WATCHER; # used only during reload
		3750
		3751	sub reload_perl() {
		3752	# doing reload synchronously and two reloads happen back-to-back,
		3753	# coro crashes during coro_state_free->destroy here.
		3754
		3755	$RELOAD_WATCHER ||= cf::async {
		3756	Coro::AIO::aio_wait cache_extensions;
		3757
		3758	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3759	do_reload_perl;
		3760	undef $RELOAD_WATCHER;
		3761	};
2399	};	3762	};
2400
2401	if ($@) {
2402	warn $@;
2403	warn "error while reloading, exiting.";
2404	exit 1;
2405	}
2406
2407	warn "reloaded";
2408	};
2409
2410	#############################################################################
2411
2412	unless ($LINK_MAP) {
2413	$LINK_MAP = cf::map::new;
2414
2415	$LINK_MAP->width (41);
2416	$LINK_MAP->height (41);
2417	$LINK_MAP->alloc;
2418	$LINK_MAP->path ("{link}");
2419	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2420	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2421
2422	# dirty hack because... archetypes are not yet loaded
2423	Event->timer (
2424	after => 10,
2425	cb => sub {
2426	$_[0]->w->cancel;
2427
2428	# provide some exits "home"
2429	my $exit = cf::object::new "exit";
2430
2431	$exit->slaying ($EMERGENCY_POSITION->[0]);
2432	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2433	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2434
2435	$LINK_MAP->insert ($exit->clone, 19, 19);
2436	$LINK_MAP->insert ($exit->clone, 19, 20);
2437	$LINK_MAP->insert ($exit->clone, 19, 21);
2438	$LINK_MAP->insert ($exit->clone, 20, 19);
2439	$LINK_MAP->insert ($exit->clone, 20, 21);
2440	$LINK_MAP->insert ($exit->clone, 21, 19);
2441	$LINK_MAP->insert ($exit->clone, 21, 20);
2442	$LINK_MAP->insert ($exit->clone, 21, 21);
2443
2444	$exit->destroy;
2445	});
2446
2447	$LINK_MAP->{deny_save} = 1;
2448	$LINK_MAP->{deny_reset} = 1;
2449
2450	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2451	}	3763	}
2452		3764
2453	register_command "reload" => sub {	3765	register_command "reload" => sub {
2454	my ($who, $arg) = @_;	3766	my ($who, $arg) = @_;
2455		3767
2456	if ($who->flag (FLAG_WIZ)) {	3768	if ($who->flag (FLAG_WIZ)) {
2457	$who->message ("start of reload.");
2458	reload;
2459	$who->message ("end of reload.");	3769	$who->message ("reloading server.");
		3770	async {
		3771	$Coro::current->{desc} = "perl_reload";
		3772	reload_perl;
		3773	};
2460	}	3774	}
2461	};	3775	};
2462		3776
2463	unshift @INC, $LIBDIR;	3777	unshift @INC, $LIBDIR;
2464		3778
2465	$TICK_WATCHER = Event->timer (	3779	my $bug_warning = 0;
2466	reentrant => 0,	3780
2467	prio => 0,	3781	our @WAIT_FOR_TICK;
2468	at => $NEXT_TICK || $TICK,	3782	our @WAIT_FOR_TICK_BEGIN;
2469	data => WF_AUTOCANCEL,	3783
2470	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
2471	cf::server_tick; # one server iteration	3807	cf::server_tick; # one server iteration
2472	$RUNTIME += $TICK;
2473	$NEXT_TICK += $TICK;
2474		3808
2475	$WAIT_FOR_TICK->broadcast;	3809	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2476	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3810	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2477		3811	Coro::async_pool {
2478	# if we are delayed by four ticks or more, skip them all	3812	$Coro::current->{desc} = "runtime saver";
2479	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2480
2481	$TICK_WATCHER->at ($NEXT_TICK);
2482	$TICK_WATCHER->start;
2483	},
2484	);
2485
2486	IO::AIO::max_poll_time $TICK * 0.2;
2487
2488	Event->io (
2489	fd => IO::AIO::poll_fileno,
2490	poll => 'r',
2491	prio => 5,
2492	data => WF_AUTOCANCEL,
2493	cb => \&IO::AIO::poll_cb,
2494	);
2495
2496	Event->timer (
2497	data => WF_AUTOCANCEL,
2498	after => 0,
2499	interval => 10,
2500	cb => sub {
2501	(Coro::unblock_sub {
2502	write_runtime	3813	write_runtime_sync
2503	or warn "ERROR: unable to write runtime file: $!";	3814	or warn "ERROR: unable to write runtime file: $!";
2504	})->();	3815	};
2505	},	3816	}
2506	);	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] $msg\n";
		3925	LOG llevInfo, "[ABT] [suppressed]\n";
		3926	}
		3927	}
		3928
		3929	# load additional modules
		3930	eval "use cf::$_" for @EXTRA_MODULES;
2507		3931
2508	END { cf::emergency_save }	3932	END { cf::emergency_save }
2509		3933
2510	1	3934	1
2511		3935

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