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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.162 by root, Thu Jan 11 00:41:08 2007 UTC vs.
Revision 1.473 by root, Fri Jun 26 16:32:10 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 on
		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	eval "sub TICK() { $TICK } 1" or die;
76	mkdir cf::localdir . "/" . cf::playerdir;
77	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;
80		152
81	# a special map that is always available	153	mkdir $_
82	our $LINK_MAP;	154	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		155
83	our $EMERGENCY_POSITION;	156	our $EMERGENCY_POSITION;
		157
		158	sub cf::map::normalise;
84		159
85	#############################################################################	160	#############################################################################
86		161
87	=head2 GLOBAL VARIABLES	162	=head2 GLOBAL VARIABLES
88		163
…		…
95	=item $cf::RUNTIME	170	=item $cf::RUNTIME
96		171
97	The time this server has run, starts at 0 and is increased by $cf::TICK on	172	The time this server has run, starts at 0 and is increased by $cf::TICK on
98	every server tick.	173	every server tick.
99		174
100	=item $cf::LIBDIR	175	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		176	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		177	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
101		178
102	The perl library directory, where extensions and cf-specific modules can	179	Various directories - "/etc", read-only install directory, perl-library
103	be found. It will be added to C<@INC> automatically.	180	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		181	unique-items directory, player file directory, random maps directory and
		182	database environment.
104		183
105	=item $cf::NOW	184	=item $cf::NOW
106		185
107	The time of the last (current) server tick.	186	The time of the last (current) server tick.
108		187
109	=item $cf::TICK	188	=item $cf::TICK
110		189
111	The interval between server ticks, in seconds.	190	The interval between server ticks, in seconds.
112		191
		192	=item $cf::LOADAVG
		193
		194	The current CPU load on the server (alpha-smoothed), as a value between 0
		195	(none) and 1 (overloaded), indicating how much time is spent on processing
		196	objects per tick. Healthy values are < 0.5.
		197
		198	=item $cf::LOAD
		199
		200	The raw value load value from the last tick.
		201
113	=item %cf::CFG	202	=item %cf::CFG
114		203
115	Configuration for the server, loaded from C</etc/crossfire/config>, or	204	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
116	from wherever your confdir points to.	205	from wherever your confdir points to.
117		206
118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	207	=item cf::wait_for_tick, cf::wait_for_tick_begin
119		208
120	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	209	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	210	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	211	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.	212
		213	=item @cf::INVOKE_RESULTS
		214
		215	This array contains the results of the last C<invoke ()> call. When
		216	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		217	that call.
124		218
125	=back	219	=back
126		220
127	=cut	221	=cut
128		222
129	BEGIN {	223	BEGIN {
130	*CORE::GLOBAL::warn = sub {	224	*CORE::GLOBAL::warn = sub {
131	my $msg = join "", @_;	225	my $msg = join "", @_;
132	utf8::encode $msg;
133		226
134	$msg .= "\n"	227	$msg .= "\n"
135	unless $msg =~ /\n$/;	228	unless $msg =~ /\n$/;
136		229
		230	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		231
137	LOG llevError, $msg;	232	LOG llevError, $msg;
138	};	233	};
139	}	234	}
		235
		236	$Coro::State::DIEHOOK = sub {
		237	return unless $^S eq 0; # "eq", not "=="
		238
		239	if ($Coro::current == $Coro::main) {#d#
		240	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		241	return;#d#
		242	}#d#
		243
		244	# kill coroutine otherwise
		245	warn Carp::longmess $_[0];
		246	Coro::terminate
		247	};
		248
		249	$SIG{__DIE__} = sub { }; #d#?
140		250
141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	251	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
142	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	252	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	253	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	254	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	255	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		256	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
146	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	257	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
147		258
148	# we bless all objects into (empty) derived classes to force a method lookup	259	# we bless all objects into (empty) derived classes to force a method lookup
149	# within the Safe compartment.	260	# within the Safe compartment.
150	for my $pkg (qw(	261	for my $pkg (qw(
151	cf::global cf::attachable	262	cf::global cf::attachable
152	cf::object cf::object::player	263	cf::object cf::object::player
153	cf::client cf::player	264	cf::client cf::player
154	cf::arch cf::living	265	cf::arch cf::living
		266	cf::map cf::mapspace
155	cf::map cf::party cf::region	267	cf::party cf::region
156	)) {	268	)) {
157	no strict 'refs';
158	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	269	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
159	}	270	}
160		271
161	$Event::DIED = sub {	272	$EV::DIED = sub {
162	warn "error in event callback: @_";	273	warn "error in event callback: @_";
163	};	274	};
		275
		276	#############################################################################
164		277
165	=head2 UTILITY FUNCTIONS	278	=head2 UTILITY FUNCTIONS
166		279
167	=over 4	280	=over 4
168		281
…		…
187	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	300	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
188	$d	301	$d
189	} || "[unable to dump $_[0]: '$@']";	302	} || "[unable to dump $_[0]: '$@']";
190	}	303	}
191		304
192	use JSON::Syck (); # TODO# replace by JSON::PC once working
193
194	=item $ref = cf::from_json $json	305	=item $ref = cf::decode_json $json
195		306
196	Converts a JSON string into the corresponding perl data structure.	307	Converts a JSON string into the corresponding perl data structure.
197		308
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	309	=item $json = cf::encode_json $ref
206		310
207	Converts a perl data structure into its JSON representation.	311	Converts a perl data structure into its JSON representation.
208		312
209	=cut	313	=cut
210		314
211	sub to_json($) {	315	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	316
213	JSON::Syck::Dump $_[0]	317	sub encode_json($) { $json_coder->encode ($_[0]) }
		318	sub decode_json($) { $json_coder->decode ($_[0]) }
		319
		320	=item cf::post_init { BLOCK }
		321
		322	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		323	but I<before> the server starts ticking again.
		324
		325	The cdoeblock will have a single boolean argument to indicate whether this
		326	is a reload or not.
		327
		328	=cut
		329
		330	sub post_init(&) {
		331	push @POST_INIT, shift;
214	}	332	}
215		333
216	=item cf::lock_wait $string	334	=item cf::lock_wait $string
217		335
218	Wait until the given lock is available. See cf::lock_acquire.	336	Wait until the given lock is available. See cf::lock_acquire.
219		337
220	=item my $lock = cf::lock_acquire $string	338	=item my $lock = cf::lock_acquire $string
221		339
222	Wait until the given lock is available and then acquires it and returns	340	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,	341	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	342	for example when the coroutine gets canceled), the lock is automatically
225	returned.	343	returned.
226		344
		345	Locks are *not* recursive, locking from the same coro twice results in a
		346	deadlocked coro.
		347
227	Lock names should begin with a unique identifier (for example, cf::map::find	348	Lock names should begin with a unique identifier (for example, cf::map::find
228	uses map_find and cf::map::load uses map_load).	349	uses map_find and cf::map::load uses map_load).
229		350
230	=cut	351	=item $locked = cf::lock_active $string
231		352
232	our %LOCK;	353	Return true if the lock is currently active, i.e. somebody has locked it.
		354
		355	=cut
		356
		357	our $LOCKS = new Coro::SemaphoreSet;
233		358
234	sub lock_wait($) {	359	sub lock_wait($) {
235	my ($key) = @_;	360	$LOCKS->wait ($_[0]);
236
237	# wait for lock, if any
238	while ($LOCK{$key}) {
239	push @{ $LOCK{$key} }, $Coro::current;
240	Coro::schedule;
241	}
242	}	361	}
243		362
244	sub lock_acquire($) {	363	sub lock_acquire($) {
245	my ($key) = @_;	364	$LOCKS->guard ($_[0])
		365	}
246		366
247	# wait, to be sure we are not locked	367	sub lock_active($) {
248	lock_wait $key;	368	$LOCKS->count ($_[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	}	369	}
257		370
258	sub freeze_mainloop {	371	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	372	tick_inhibit_inc;
260		373
261	my $guard = Coro::guard { $TICK_WATCHER->start };	374	&Guard::guard (\&tick_inhibit_dec);
262	$TICK_WATCHER->stop;	375	}
263	$guard	376
		377	=item cf::periodic $interval, $cb
		378
		379	Like EV::periodic, but randomly selects a starting point so that the actions
		380	get spread over timer.
		381
		382	=cut
		383
		384	sub periodic($$) {
		385	my ($interval, $cb) = @_;
		386
		387	my $start = rand List::Util::min 180, $interval;
		388
		389	EV::periodic $start, $interval, 0, $cb
		390	}
		391
		392	=item cf::get_slot $time[, $priority[, $name]]
		393
		394	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		395	This call blocks and returns only when you have at least C<$time> seconds
		396	of cpu time till the next tick. The slot is only valid till the next cede.
		397
		398	The optional C<$name> can be used to identify the job to run. It might be
		399	used for statistical purposes and should identify the same time-class.
		400
		401	Useful for short background jobs.
		402
		403	=cut
		404
		405	our @SLOT_QUEUE;
		406	our $SLOT_QUEUE;
		407
		408	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		409	$SLOT_QUEUE = Coro::async {
		410	$Coro::current->desc ("timeslot manager");
		411
		412	my $signal = new Coro::Signal;
		413
		414	while () {
		415	next_job:
		416	my $avail = cf::till_tick;
		417	if ($avail > 0.01) {
		418	for (0 .. $#SLOT_QUEUE) {
		419	if ($SLOT_QUEUE[$_][0] < $avail) {
		420	my $job = splice @SLOT_QUEUE, $_, 1, ();
		421	$job->[2]->send;
		422	Coro::cede;
		423	goto next_job;
		424	}
		425	}
		426	}
		427
		428	if (@SLOT_QUEUE) {
		429	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		430	push @cf::WAIT_FOR_TICK, $signal;
		431	$signal->wait;
		432	} else {
		433	Coro::schedule;
		434	}
		435	}
		436	};
		437
		438	sub get_slot($;$$) {
		439	return if tick_inhibit || $Coro::current == $Coro::main;
		440
		441	my ($time, $pri, $name) = @_;
		442
		443	$time = $TICK * .6 if $time > $TICK * .6;
		444	my $sig = new Coro::Signal;
		445
		446	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		447	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		448	$SLOT_QUEUE->ready;
		449	$sig->wait;
264	}	450	}
265		451
266	=item cf::async { BLOCK }	452	=item cf::async { BLOCK }
267		453
268	Currently the same as Coro::async_pool, meaning you cannot use	454	Currently the same as Coro::async_pool, meaning you cannot use
…		…
273		459
274	BEGIN { *async = \&Coro::async_pool }	460	BEGIN { *async = \&Coro::async_pool }
275		461
276	=item cf::sync_job { BLOCK }	462	=item cf::sync_job { BLOCK }
277		463
278	The design of crossfire+ requires that the main coro ($Coro::main) is	464	The design of Deliantra requires that the main coroutine ($Coro::main)
279	always able to handle events or runnable, as crossfire+ is only partly	465	is always able to handle events or runnable, as Deliantra is only
280	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	466	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		467	acceptable.
281		468
282	If it must be done, put the blocking parts into C<sync_job>. This will run	469	If it must be done, put the blocking parts into C<sync_job>. This will run
283	the given BLOCK in another coroutine while waiting for the result. The	470	the given BLOCK in another coroutine while waiting for the result. The
284	server will be frozen during this time, so the block should either finish	471	server will be frozen during this time, so the block should either finish
285	fast or be very important.	472	fast or be very important.
…		…
288		475
289	sub sync_job(&) {	476	sub sync_job(&) {
290	my ($job) = @_;	477	my ($job) = @_;
291		478
292	if ($Coro::current == $Coro::main) {	479	if ($Coro::current == $Coro::main) {
		480	my $time = EV::time;
		481
293	# this is the main coro, too bad, we have to block	482	# this is the main coro, too bad, we have to block
294	# till the operation succeeds, freezing the server :/	483	# till the operation succeeds, freezing the server :/
295		484
296	# TODO: use suspend/resume instead	485	LOG llevError, Carp::longmess "sync job";#d#
297	# (but this is cancel-safe)	486
298	my $freeze_guard = freeze_mainloop;	487	my $freeze_guard = freeze_mainloop;
299		488
300	my $busy = 1;	489	my $busy = 1;
301	my @res;	490	my @res;
302		491
303	(async {	492	(async {
		493	$Coro::current->desc ("sync job coro");
304	@res = eval { $job->() };	494	@res = eval { $job->() };
305	warn $@ if $@;	495	warn $@ if $@;
306	undef $busy;	496	undef $busy;
307	})->prio (Coro::PRIO_MAX);	497	})->prio (Coro::PRIO_MAX);
308		498
309	while ($busy) {	499	while ($busy) {
310	Coro::cede or Event::one_event;	500	if (Coro::nready) {
		501	Coro::cede_notself;
		502	} else {
		503	EV::loop EV::LOOP_ONESHOT;
311	}	504	}
		505	}
		506
		507	my $time = EV::time - $time;
		508
		509	$TICK_START += $time; # do not account sync jobs to server load
312		510
313	wantarray ? @res : $res[0]	511	wantarray ? @res : $res[0]
314	} else {	512	} else {
315	# we are in another coroutine, how wonderful, everything just works	513	# we are in another coroutine, how wonderful, everything just works
316		514
…		…
336	$EXT_CORO{$coro+0} = $coro;	534	$EXT_CORO{$coro+0} = $coro;
337		535
338	$coro	536	$coro
339	}	537	}
340		538
341	sub write_runtime {	539	=item fork_call { }, $args
342	my $runtime = cf::localdir . "/runtime";
343		540
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	541	Executes the given code block with the given arguments in a seperate
345	or return;	542	process, returning the results. Everything must be serialisable with
		543	Coro::Storable. May, of course, block. Note that the executed sub may
		544	never block itself or use any form of event handling.
346		545
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	546	=cut
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;
350		547
351	aio_fsync $fh	548	sub fork_call(&@) {
352	and return;	549	my ($cb, @args) = @_;
353		550
354	close $fh	551	# we seemingly have to make a local copy of the whole thing,
355	or return;	552	# otherwise perl prematurely frees the stuff :/
		553	# TODO: investigate and fix (likely this will be rather laborious)
356		554
357	aio_rename "$runtime~", $runtime	555	my @res = Coro::Util::fork_eval {
358	and return;	556	reset_signals;
		557	&$cb
		558	}, @args;
359		559
		560	wantarray ? @res : $res[-1]
		561	}
		562
		563	=item $coin = coin_from_name $name
		564
		565	=cut
		566
		567	our %coin_alias = (
		568	"silver" => "silvercoin",
		569	"silvercoin" => "silvercoin",
		570	"silvercoins" => "silvercoin",
		571	"gold" => "goldcoin",
		572	"goldcoin" => "goldcoin",
		573	"goldcoins" => "goldcoin",
		574	"platinum" => "platinacoin",
		575	"platinumcoin" => "platinacoin",
		576	"platinumcoins" => "platinacoin",
		577	"platina" => "platinacoin",
		578	"platinacoin" => "platinacoin",
		579	"platinacoins" => "platinacoin",
		580	"royalty" => "royalty",
		581	"royalties" => "royalty",
		582	);
		583
		584	sub coin_from_name($) {
		585	$coin_alias{$_[0]}
		586	? cf::arch::find $coin_alias{$_[0]}
		587	: undef
		588	}
		589
		590	=item $value = cf::db_get $family => $key
		591
		592	Returns a single value from the environment database.
		593
		594	=item cf::db_put $family => $key => $value
		595
		596	Stores the given C<$value> in the family. It can currently store binary
		597	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		598
		599	=item $db = cf::db_table "name"
		600
		601	Create and/or open a new database table. The string must not be "db" and must be unique
		602	within each server.
		603
		604	=cut
		605
		606	sub db_table($) {
		607	my ($name) = @_;
		608	my $db = BDB::db_create $DB_ENV;
		609
		610	eval {
		611	$db->set_flags (BDB::CHKSUM);
		612
		613	utf8::encode $name;
		614	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		615	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		616	cf::cleanup "db_open(db): $!" if $!;
		617	};
		618	cf::cleanup "db_open(db): $@" if $@;
		619
		620	$db
		621	}
		622
		623	our $DB;
		624
		625	sub db_init {
		626	cf::sync_job {
		627	$DB ||= db_table "db";
		628	};
		629	}
		630
		631	sub db_get($$) {
		632	my $key = "$_[0]/$_[1]";
		633
		634	cf::sync_job {
		635	BDB::db_get $DB, undef, $key, my $data;
		636
		637	$! ? ()
		638	: $data
360	1	639	}
		640	}
		641
		642	sub db_put($$$) {
		643	BDB::dbreq_pri 4;
		644	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		645	}
		646
		647	=item cf::cache $id => [$paths...], $processversion => $process
		648
		649	Generic caching function that returns the value of the resource $id,
		650	caching and regenerating as required.
		651
		652	This function can block.
		653
		654	=cut
		655
		656	sub cache {
		657	my ($id, $src, $processversion, $process) = @_;
		658
		659	my $meta =
		660	join "\x00",
		661	$processversion,
		662	map {
		663	aio_stat $_
		664	and Carp::croak "$_: $!";
		665
		666	($_, (stat _)[7,9])
		667	} @$src;
		668
		669	my $dbmeta = db_get cache => "$id/meta";
		670	if ($dbmeta ne $meta) {
		671	# changed, we may need to process
		672
		673	my @data;
		674	my $md5;
		675
		676	for (0 .. $#$src) {
		677	0 <= aio_load $src->[$_], $data[$_]
		678	or Carp::croak "$src->[$_]: $!";
		679	}
		680
		681	# if processing is expensive, check
		682	# checksum first
		683	if (1) {
		684	$md5 =
		685	join "\x00",
		686	$processversion,
		687	map {
		688	cf::cede_to_tick;
		689	($src->[$_], Digest::MD5::md5_hex $data[$_])
		690	} 0.. $#$src;
		691
		692
		693	my $dbmd5 = db_get cache => "$id/md5";
		694	if ($dbmd5 eq $md5) {
		695	db_put cache => "$id/meta", $meta;
		696
		697	return db_get cache => "$id/data";
		698	}
		699	}
		700
		701	my $t1 = Time::HiRes::time;
		702	my $data = $process->(\@data);
		703	my $t2 = Time::HiRes::time;
		704
		705	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		706
		707	db_put cache => "$id/data", $data;
		708	db_put cache => "$id/md5" , $md5;
		709	db_put cache => "$id/meta", $meta;
		710
		711	return $data;
		712	}
		713
		714	db_get cache => "$id/data"
		715	}
		716
		717	=item cf::datalog type => key => value, ...
		718
		719	Log a datalog packet of the given type with the given key-value pairs.
		720
		721	=cut
		722
		723	sub datalog($@) {
		724	my ($type, %kv) = @_;
		725	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
361	}	726	}
362		727
363	=back	728	=back
364		729
365	=cut	730	=cut
366		731
367	#############################################################################	732	#############################################################################
368		733
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
478	$path
479	}
480
481	# the original (read-only) location
482	sub load_path {
483	my ($self) = @_;
484
485	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
486	}
487
488	# the temporary/swap location
489	sub save_path {
490	my ($self) = @_;
491
492	$self->{user_rel}
493	? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
494	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
495	}
496
497	# the unique path, undef == no special unique path
498	sub uniq_path {
499	my ($self) = @_;
500
501	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
502	}
503
504	# this is somewhat ugly, but style maps do need special treatment
505	sub is_style_map {
506	$_[0]{path} =~ m{^/styles/}
507	}
508
509	sub load_orig {
510	my ($self) = @_;
511
512	&cf::map::load_map_header ($self->load_path)
513	}
514
515	sub load_temp {
516	my ($self) = @_;
517
518	&cf::map::load_map_header ($self->save_path)
519	}
520
521	package cf;
522
523	#############################################################################
524
525	=head2 ATTACHABLE OBJECTS	734	=head2 ATTACHABLE OBJECTS
526		735
527	Many objects in crossfire are so-called attachable objects. That means you can	736	Many objects in deliantra are so-called attachable objects. That means you can
528	attach callbacks/event handlers (a collection of which is called an "attachment")	737	attach callbacks/event handlers (a collection of which is called an "attachment")
529	to it. All such attachable objects support the following methods.	738	to it. All such attachable objects support the following methods.
530		739
531	In the following description, CLASS can be any of C<global>, C<object>	740	In the following description, CLASS can be any of C<global>, C<object>
532	C<player>, C<client> or C<map> (i.e. the attachable objects in	741	C<player>, C<client> or C<map> (i.e. the attachable objects in
533	crossfire+).	742	Deliantra).
534		743
535	=over 4	744	=over 4
536		745
537	=item $attachable->attach ($attachment, key => $value...)	746	=item $attachable->attach ($attachment, key => $value...)
538		747
…		…
582	=item cf::CLASS::attachment $name, ...	791	=item cf::CLASS::attachment $name, ...
583		792
584	Register an attachment by C<$name> through which attachable objects of the	793	Register an attachment by C<$name> through which attachable objects of the
585	given CLASS can refer to this attachment.	794	given CLASS can refer to this attachment.
586		795
587	Some classes such as crossfire maps and objects can specify attachments	796	Some classes such as deliantra maps and objects can specify attachments
588	that are attached at load/instantiate time, thus the need for a name.	797	that are attached at load/instantiate time, thus the need for a name.
589		798
590	These calls expect any number of the following handler/hook descriptions:	799	These calls expect any number of the following handler/hook descriptions:
591		800
592	=over 4	801	=over 4
…		…
652	our @CB_TYPE = (); # registry for type (cf-object class) based events	861	our @CB_TYPE = (); # registry for type (cf-object class) based events
653	our @CB_MAP = ();	862	our @CB_MAP = ();
654		863
655	my %attachment;	864	my %attachment;
656		865
		866	sub cf::attachable::thawer_merge {
		867	# simply override everything except _meta
		868	local $_[0]{_meta};
		869	%{$_[0]} = %{$_[1]};
		870	}
		871
657	sub _attach_cb($$$$) {	872	sub _attach_cb($$$$) {
658	my ($registry, $event, $prio, $cb) = @_;	873	my ($registry, $event, $prio, $cb) = @_;
659		874
660	use sort 'stable';	875	use sort 'stable';
661		876
…		…
695	$registry = $CB_TYPE[$object_type] ||= [];	910	$registry = $CB_TYPE[$object_type] ||= [];
696		911
697	} elsif ($type eq "subtype") {	912	} elsif ($type eq "subtype") {
698	defined $object_type or Carp::croak "subtype specified without type";	913	defined $object_type or Carp::croak "subtype specified without type";
699	my $object_subtype = shift @arg;	914	my $object_subtype = shift @arg;
700	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	915	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
701		916
702	} elsif ($type eq "package") {	917	} elsif ($type eq "package") {
703	my $pkg = shift @arg;	918	my $pkg = shift @arg;
704		919
705	while (my ($name, $id) = each %cb_id) {	920	while (my ($name, $id) = each %cb_id) {
…		…
734	_attach $registry, $klass, @attach;	949	_attach $registry, $klass, @attach;
735	}	950	}
736		951
737	$obj->{$name} = \%arg;	952	$obj->{$name} = \%arg;
738	} else {	953	} else {
739	warn "object uses attachment '$name' that is not available, postponing.\n";	954	warn "object uses attachment '$name' which is not available, postponing.\n";
740	}	955	}
741		956
742	$obj->{_attachment}{$name} = undef;	957	$obj->{_attachment}{$name} = undef;
743	}	958	}
744		959
…		…
746	if (ref $_[0]) {	961	if (ref $_[0]) {
747	_object_attach @_;	962	_object_attach @_;
748	} else {	963	} else {
749	_attach shift->_attach_registry, @_;	964	_attach shift->_attach_registry, @_;
750	}	965	}
		966	_recalc_want;
751	};	967	};
752		968
753	# all those should be optimised	969	# all those should be optimised
754	sub cf::attachable::detach {	970	sub cf::attachable::detach {
755	my ($obj, $name) = @_;	971	my ($obj, $name) = @_;
…		…
758	delete $obj->{_attachment}{$name};	974	delete $obj->{_attachment}{$name};
759	reattach ($obj);	975	reattach ($obj);
760	} else {	976	} else {
761	Carp::croak "cannot, currently, detach class attachments";	977	Carp::croak "cannot, currently, detach class attachments";
762	}	978	}
		979	_recalc_want;
763	};	980	};
764		981
765	sub cf::attachable::attached {	982	sub cf::attachable::attached {
766	my ($obj, $name) = @_;	983	my ($obj, $name) = @_;
767		984
…		…
782	";	999	";
783	die if $@;	1000	die if $@;
784	}	1001	}
785		1002
786	our $override;	1003	our $override;
787	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1004	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
788		1005
789	sub override {	1006	sub override {
790	$override = 1;	1007	$override = 1;
791	@invoke_results = ();	1008	@INVOKE_RESULTS = (@_);
792	}	1009	}
793		1010
794	sub do_invoke {	1011	sub do_invoke {
795	my $event = shift;	1012	my $event = shift;
796	my $callbacks = shift;	1013	my $callbacks = shift;
797		1014
798	@invoke_results = ();	1015	@INVOKE_RESULTS = ();
799		1016
800	local $override;	1017	local $override;
801		1018
802	for (@$callbacks) {	1019	for (@$callbacks) {
803	eval { &{$_->[1]} };	1020	eval { &{$_->[1]} };
…		…
812	}	1029	}
813		1030
814	0	1031	0
815	}	1032	}
816		1033
817	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
818		1035
819	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
820		1037
821	Generate an object-specific event with the given arguments.	1038	Generate an object-specific event with the given arguments.
822		1039
823	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1040	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
824	removed in future versions), and there is no public API to access override	1041	removed in future versions), and there is no public API to access override
825	results (if you must, access C<@cf::invoke_results> directly).	1042	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
826		1043
827	=back	1044	=back
828		1045
829	=cut	1046	=cut
830		1047
831	#############################################################################	1048	#############################################################################
832	# object support	1049	# object support
		1050
		1051	sub _object_equal($$);
		1052	sub _object_equal($$) {
		1053	my ($a, $b) = @_;
		1054
		1055	return 0 unless (ref $a) eq (ref $b);
		1056
		1057	if ("HASH" eq ref $a) {
		1058	my @ka = keys %$a;
		1059	my @kb = keys %$b;
		1060
		1061	return 0 if @ka != @kb;
		1062
		1063	for (0 .. $#ka) {
		1064	return 0 unless $ka[$_] eq $kb[$_];
		1065	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1066	}
		1067
		1068	} elsif ("ARRAY" eq ref $a) {
		1069
		1070	return 0 if @$a != @$b;
		1071
		1072	for (0 .. $#$a) {
		1073	return 0 unless _object_equal $a->[$_], $b->[$_];
		1074	}
		1075
		1076	} elsif ($a ne $b) {
		1077	return 0;
		1078	}
		1079
		1080	1
		1081	}
		1082
		1083	our $SLOW_MERGES;#d#
		1084	sub _can_merge {
		1085	my ($ob1, $ob2) = @_;
		1086
		1087	++$SLOW_MERGES;#d#
		1088
		1089	# we do the slow way here
		1090	return _object_equal $ob1, $ob2
		1091	}
833		1092
834	sub reattach {	1093	sub reattach {
835	# basically do the same as instantiate, without calling instantiate	1094	# basically do the same as instantiate, without calling instantiate
836	my ($obj) = @_;	1095	my ($obj) = @_;
		1096
		1097	# no longer needed after getting rid of delete_package?
		1098	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
837		1099
838	my $registry = $obj->registry;	1100	my $registry = $obj->registry;
839		1101
840	@$registry = ();	1102	@$registry = ();
841		1103
…		…
856	cf::attachable->attach (	1118	cf::attachable->attach (
857	prio => -1000000,	1119	prio => -1000000,
858	on_instantiate => sub {	1120	on_instantiate => sub {
859	my ($obj, $data) = @_;	1121	my ($obj, $data) = @_;
860		1122
861	$data = from_json $data;	1123	$data = decode_json $data;
862		1124
863	for (@$data) {	1125	for (@$data) {
864	my ($name, $args) = @$_;	1126	my ($name, $args) = @$_;
865		1127
866	$obj->attach ($name, %{$args || {} });	1128	$obj->attach ($name, %{$args || {} });
…		…
882	sub object_freezer_save {	1144	sub object_freezer_save {
883	my ($filename, $rdata, $objs) = @_;	1145	my ($filename, $rdata, $objs) = @_;
884		1146
885	sync_job {	1147	sync_job {
886	if (length $$rdata) {	1148	if (length $$rdata) {
		1149	utf8::decode (my $decname = $filename);
887	warn sprintf "saving %s (%d,%d)\n",	1150	warn sprintf "saving %s (%d,%d)\n",
888	$filename, length $$rdata, scalar @$objs;	1151	$decname, length $$rdata, scalar @$objs;
889		1152
890	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
891	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
892	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1155	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1156	if ($cf::USE_FSYNC) {
		1157	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
893	aio_fsync $fh;	1158	aio_fsync $fh;
		1159	}
894	close $fh;	1160	aio_close $fh;
895		1161
896	if (@$objs) {	1162	if (@$objs) {
897	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1163	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
898	chmod SAVE_MODE, $fh;	1164	aio_chmod $fh, SAVE_MODE;
899	my $data = Storable::nfreeze { version => 1, objs => $objs };	1165	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
900	aio_write $fh, 0, (length $data), $data, 0;	1166	aio_write $fh, 0, (length $data), $data, 0;
		1167	if ($cf::USE_FSYNC) {
		1168	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
901	aio_fsync $fh;	1169	aio_fsync $fh;
		1170	}
902	close $fh;	1171	aio_close $fh;
903	aio_rename "$filename.pst~", "$filename.pst";	1172	aio_rename "$filename.pst~", "$filename.pst";
904	}	1173	}
905	} else {	1174	} else {
906	aio_unlink "$filename.pst";	1175	aio_unlink "$filename.pst";
907	}	1176	}
908		1177
909	aio_rename "$filename~", $filename;	1178	aio_rename "$filename~", $filename;
		1179
		1180	$filename =~ s%/[^/]+$%%;
		1181	aio_pathsync $filename if $cf::USE_FSYNC;
910	} else {	1182	} else {
911	warn "FATAL: $filename~: $!\n";	1183	warn "unable to save objects: $filename~: $!\n";
912	}	1184	}
913	} else {	1185	} else {
914	aio_unlink $filename;	1186	aio_unlink $filename;
915	aio_unlink "$filename.pst";	1187	aio_unlink "$filename.pst";
916	}	1188	}
917	}	1189	};
918	}	1190	}
919		1191
920	sub object_freezer_as_string {	1192	sub object_freezer_as_string {
921	my ($rdata, $objs) = @_;	1193	my ($rdata, $objs) = @_;
922		1194
…		…
934	or return;	1206	or return;
935		1207
936	unless (aio_stat "$filename.pst") {	1208	unless (aio_stat "$filename.pst") {
937	(aio_load "$filename.pst", $av) >= 0	1209	(aio_load "$filename.pst", $av) >= 0
938	or return;	1210	or return;
		1211
939	$av = eval { (Storable::thaw $av)->{objs} };	1212	my $st = eval { Coro::Storable::thaw $av };
		1213	$av = $st->{objs};
940	}	1214	}
941		1215
		1216	utf8::decode (my $decname = $filename);
942	warn sprintf "loading %s (%d)\n",	1217	warn sprintf "loading %s (%d,%d)\n",
943	$filename, length $data, scalar @{$av || []};#d#	1218	$decname, length $data, scalar @{$av || []};
		1219
944	return ($data, $av);	1220	($data, $av)
945	}	1221	}
		1222
		1223	=head2 COMMAND CALLBACKS
		1224
		1225	=over 4
		1226
		1227	=cut
946		1228
947	#############################################################################	1229	#############################################################################
948	# command handling &c	1230	# command handling &c
949		1231
950	=item cf::register_command $name => \&callback($ob,$args);	1232	=item cf::register_command $name => \&callback($ob,$args);
…		…
963	push @{ $COMMAND{$name} }, [$caller, $cb];	1245	push @{ $COMMAND{$name} }, [$caller, $cb];
964	}	1246	}
965		1247
966	=item cf::register_extcmd $name => \&callback($pl,$packet);	1248	=item cf::register_extcmd $name => \&callback($pl,$packet);
967		1249
968	Register a callbackf ro execution when the client sends an extcmd packet.	1250	Register a callback for execution when the client sends an (synchronous)
		1251	extcmd packet. Ext commands will be processed in the order they are
		1252	received by the server, like other user commands. The first argument is
		1253	the logged-in player. Ext commands can only be processed after a player
		1254	has logged in successfully.
969		1255
970	If the callback returns something, it is sent back as if reply was being	1256	If the callback returns something, it is sent back as if reply was being
971	called.	1257	called.
972		1258
		1259	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1260
		1261	Register a callback for execution when the client sends an (asynchronous)
		1262	exticmd packet. Exti commands are processed by the server as soon as they
		1263	are received, i.e. out of order w.r.t. other commands. The first argument
		1264	is a client socket. Exti commands can be received anytime, even before
		1265	log-in.
		1266
		1267	If the callback returns something, it is sent back as if reply was being
		1268	called.
		1269
973	=cut	1270	=cut
974		1271
975	sub register_extcmd {	1272	sub register_extcmd {
976	my ($name, $cb) = @_;	1273	my ($name, $cb) = @_;
977		1274
978	$EXTCMD{$name} = $cb;	1275	$EXTCMD{$name} = $cb;
979	}	1276	}
		1277
		1278	sub register_exticmd {
		1279	my ($name, $cb) = @_;
		1280
		1281	$EXTICMD{$name} = $cb;
		1282	}
		1283
		1284	use File::Glob ();
980		1285
981	cf::player->attach (	1286	cf::player->attach (
982	on_command => sub {	1287	on_command => sub {
983	my ($pl, $name, $params) = @_;	1288	my ($pl, $name, $params) = @_;
984		1289
…		…
992	cf::override;	1297	cf::override;
993	},	1298	},
994	on_extcmd => sub {	1299	on_extcmd => sub {
995	my ($pl, $buf) = @_;	1300	my ($pl, $buf) = @_;
996		1301
997	my $msg = eval { from_json $buf };	1302	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
998		1303
999	if (ref $msg) {	1304	if (ref $msg) {
		1305	my ($type, $reply, @payload) =
		1306	"ARRAY" eq ref $msg
		1307	? @$msg
		1308	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1309
		1310	my @reply;
		1311
1000	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1312	if (my $cb = $EXTCMD{$type}) {
1001	if (my %reply = $cb->($pl, $msg)) {	1313	@reply = $cb->($pl, @payload);
1002	$pl->ext_reply ($msg->{msgid}, %reply);
1003	}
1004	}	1314	}
		1315
		1316	$pl->ext_reply ($reply, @reply)
		1317	if $reply;
		1318
1005	} else {	1319	} else {
1006	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1320	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1007	}	1321	}
1008		1322
1009	cf::override;	1323	cf::override;
1010	},	1324	},
1011	);	1325	);
1012		1326
		1327	# "readahead" all extensions
1013	sub load_extension {	1328	sub cache_extensions {
1014	my ($path) = @_;	1329	my $grp = IO::AIO::aio_group;
1015		1330
1016	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1331	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1017	my $base = $1;	1332	for (grep /\.ext$/, @{$_[0]}) {
1018	my $pkg = $1;	1333	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1019	$pkg =~ s/[^[:word:]]/_/g;	1334	}
1020	$pkg = "ext::$pkg";	1335	};
1021		1336
1022	warn "... loading '$path' into '$pkg'\n";	1337	$grp
1023
1024	open my $fh, "<:utf8", $path
1025	or die "$path: $!";
1026
1027	my $source =
1028	"package $pkg; use strict; use utf8;\n"
1029	. "#line 1 \"$path\"\n{\n"
1030	. (do { local $/; <$fh> })
1031	. "\n};\n1";
1032
1033	eval $source
1034	or die $@ ? "$path: $@\n"
1035	: "extension disabled.\n";
1036
1037	push @EXTS, $pkg;
1038	}	1338	}
1039		1339
1040	sub load_extensions {	1340	sub load_extensions {
		1341	cf::sync_job {
		1342	my %todo;
		1343
1041	for my $ext (<$LIBDIR/*.ext>) {	1344	for my $path (<$LIBDIR/*.ext>) {
1042	next unless -r $ext;	1345	next unless -r $path;
1043	eval {	1346
1044	load_extension $ext;	1347	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1348	my $base = $1;
		1349	my $pkg = $1;
		1350	$pkg =~ s/[^[:word:]]/_/g;
		1351	$pkg = "ext::$pkg";
		1352
		1353	open my $fh, "<:utf8", $path
		1354	or die "$path: $!";
		1355
		1356	my $source = do { local $/; <$fh> };
		1357
		1358	my %ext = (
		1359	path => $path,
		1360	base => $base,
		1361	pkg => $pkg,
		1362	);
		1363
		1364	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1365	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1366
		1367	$ext{source} =
		1368	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1369	. "#line 1 \"$path\"\n{\n"
		1370	. $source
		1371	. "\n};\n1";
		1372
		1373	$todo{$base} = \%ext;
		1374	}
		1375
		1376	my %done;
		1377	while (%todo) {
		1378	my $progress;
		1379
		1380	while (my ($k, $v) = each %todo) {
		1381	for (split /,\s*/, $v->{meta}{depends}) {
		1382	goto skip
		1383	unless exists $done{$_};
		1384	}
		1385
		1386	warn "... loading '$k' into '$v->{pkg}'\n";
		1387
		1388	unless (eval $v->{source}) {
		1389	my $msg = $@ ? "$v->{path}: $@\n"
		1390	: "$v->{base}: extension inactive.\n";
		1391
		1392	if (exists $v->{meta}{mandatory}) {
		1393	warn $msg;
		1394	cf::cleanup "mandatory extension failed to load, exiting.";
		1395	}
		1396
		1397	warn $msg;
		1398	}
		1399
		1400	$done{$k} = delete $todo{$k};
		1401	push @EXTS, $v->{pkg};
		1402	$progress = 1;
1045	1	1403	}
1046	} or warn "$ext not loaded: $@";	1404
		1405	skip:
		1406	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1407	unless $progress;
		1408	}
1047	}	1409	};
1048	}	1410	}
1049		1411
1050	#############################################################################	1412	#############################################################################
1051	# load/save/clean perl data associated with a map
1052		1413
1053	*cf::mapsupport::on_clean = sub {	1414	=back
1054	my ($map) = @_;
1055
1056	my $path = $map->tmpname;
1057	defined $path or return;
1058
1059	unlink "$path.pst";
1060	};
1061
1062	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1063
1064	#############################################################################
1065		1415
1066	=head2 CORE EXTENSIONS	1416	=head2 CORE EXTENSIONS
1067		1417
1068	Functions and methods that extend core crossfire objects.	1418	Functions and methods that extend core deliantra objects.
1069		1419
1070	=cut	1420	=cut
1071		1421
1072	package cf::player;	1422	package cf::player;
1073		1423
…		…
1075		1425
1076	=head3 cf::player	1426	=head3 cf::player
1077		1427
1078	=over 4	1428	=over 4
1079		1429
		1430	=item cf::player::num_playing
		1431
		1432	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1433
		1434	=cut
		1435
		1436	sub num_playing {
		1437	scalar grep
		1438	$_->ob->map
		1439	&& !$_->hidden
		1440	&& !$_->ob->flag (cf::FLAG_WIZ),
		1441	cf::player::list
		1442	}
		1443
1080	=item cf::player::find $login	1444	=item cf::player::find $login
1081		1445
1082	Returns the given player object, loading it if necessary (might block).	1446	Returns the given player object, loading it if necessary (might block).
1083		1447
1084	=cut	1448	=cut
1085		1449
1086	sub playerdir($) {	1450	sub playerdir($) {
1087	cf::localdir	1451	"$PLAYERDIR/"
1088	. "/"
1089	. cf::playerdir
1090	. "/"
1091	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1452	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1092	}	1453	}
1093		1454
1094	sub path($) {	1455	sub path($) {
1095	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1456	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1096		1457
1097	(playerdir $login) . "/$login.pl"	1458	(playerdir $login) . "/playerdata"
1098	}	1459	}
1099		1460
1100	sub find_active($) {	1461	sub find_active($) {
1101	$cf::PLAYER{$_[0]}	1462	$cf::PLAYER{$_[0]}
1102	and $cf::PLAYER{$_[0]}->active	1463	and $cf::PLAYER{$_[0]}->active
…		…
1105		1466
1106	sub exists($) {	1467	sub exists($) {
1107	my ($login) = @_;	1468	my ($login) = @_;
1108		1469
1109	$cf::PLAYER{$login}	1470	$cf::PLAYER{$login}
1110	or cf::sync_job { !aio_stat $login }	1471	or !aio_stat path $login
1111	}	1472	}
1112		1473
1113	sub find($) {	1474	sub find($) {
1114	return $cf::PLAYER{$_[0]} || do {	1475	return $cf::PLAYER{$_[0]} || do {
1115	my $login = $_[0];	1476	my $login = $_[0];
1116		1477
1117	my $guard = cf::lock_acquire "user_find:$login";	1478	my $guard = cf::lock_acquire "user_find:$login";
1118		1479
1119	$cf::PLAYER{$_[0]} || do {	1480	$cf::PLAYER{$_[0]} || do {
1120	my $pl = load_pl path $login	1481	# rename old playerfiles to new ones
		1482	#TODO: remove when no longer required
		1483	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1484	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1485	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1486	aio_unlink +(playerdir $login) . "/$login.pl";
		1487
		1488	my $f = new_from_file cf::object::thawer path $login
1121	or return;	1489	or return;
		1490
		1491	my $pl = cf::player::load_pl $f
		1492	or return;
		1493
		1494	local $cf::PLAYER_LOADING{$login} = $pl;
		1495	$f->resolve_delayed_derefs;
1122	$cf::PLAYER{$login} = $pl	1496	$cf::PLAYER{$login} = $pl
1123	}	1497	}
1124	}	1498	}
1125	}	1499	}
1126		1500
…		…
1135	return if $pl->{deny_save};	1509	return if $pl->{deny_save};
1136		1510
1137	aio_mkdir playerdir $pl, 0770;	1511	aio_mkdir playerdir $pl, 0770;
1138	$pl->{last_save} = $cf::RUNTIME;	1512	$pl->{last_save} = $cf::RUNTIME;
1139		1513
		1514	cf::get_slot 0.01;
		1515
1140	$pl->save_pl ($path);	1516	$pl->save_pl ($path);
1141	Coro::cede;	1517	cf::cede_to_tick;
1142	}	1518	}
1143		1519
1144	sub new($) {	1520	sub new($) {
1145	my ($login) = @_;	1521	my ($login) = @_;
1146		1522
…		…
1152	$cf::PLAYER{$login} = $self;	1528	$cf::PLAYER{$login} = $self;
1153		1529
1154	$self	1530	$self
1155	}	1531	}
1156		1532
		1533	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1534
		1535	=cut
		1536
		1537	sub send_msg {
		1538	my $ns = shift->ns
		1539	or return;
		1540	$ns->send_msg (@_);
		1541	}
		1542
1157	=item $pl->quit_character	1543	=item $pl->quit_character
1158		1544
1159	Nukes the player without looking back. If logged in, the connection will	1545	Nukes the player without looking back. If logged in, the connection will
1160	be destroyed. May block for a long time.	1546	be destroyed. May block for a long time.
1161		1547
1162	=cut	1548	=cut
1163		1549
1164	sub quit_character {	1550	sub quit_character {
1165	my ($pl) = @_;	1551	my ($pl) = @_;
1166		1552
		1553	my $name = $pl->ob->name;
		1554
1167	$pl->{deny_save} = 1;	1555	$pl->{deny_save} = 1;
1168	$pl->password ("*"); # this should lock out the player until we nuked the dir	1556	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1169		1557
1170	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1558	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1171	$pl->deactivate;	1559	$pl->deactivate;
		1560	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1561	$pl->ob->check_score;
1172	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1562	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1173	$pl->ns->destroy if $pl->ns;	1563	$pl->ns->destroy if $pl->ns;
1174		1564
1175	my $path = playerdir $pl;	1565	my $path = playerdir $pl;
1176	my $temp = "$path~$cf::RUNTIME~deleting~";	1566	my $temp = "$path~$cf::RUNTIME~deleting~";
1177	aio_rename $path, $temp;	1567	aio_rename $path, $temp;
1178	delete $cf::PLAYER{$pl->ob->name};	1568	delete $cf::PLAYER{$pl->ob->name};
1179	$pl->destroy;	1569	$pl->destroy;
		1570
		1571	my $prefix = qr<^~\Q$name\E/>;
		1572
		1573	# nuke player maps
		1574	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1575
1180	IO::AIO::aio_rmtree $temp;	1576	IO::AIO::aio_rmtree $temp;
		1577	}
		1578
		1579	=item $pl->kick
		1580
		1581	Kicks a player out of the game. This destroys the connection.
		1582
		1583	=cut
		1584
		1585	sub kick {
		1586	my ($pl, $kicker) = @_;
		1587
		1588	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1589	$pl->killer ("kicked");
		1590	$pl->ns->destroy;
1181	}	1591	}
1182		1592
1183	=item cf::player::list_logins	1593	=item cf::player::list_logins
1184		1594
1185	Returns am arrayref of all valid playernames in the system, can take a	1595	Returns am arrayref of all valid playernames in the system, can take a
1186	while and may block, so not sync_job-capable, ever.	1596	while and may block, so not sync_job-capable, ever.
1187		1597
1188	=cut	1598	=cut
1189		1599
1190	sub list_logins {	1600	sub list_logins {
1191	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1601	my $dirs = aio_readdir $PLAYERDIR
1192	or return [];	1602	or return [];
1193		1603
1194	my @logins;	1604	my @logins;
1195		1605
1196	for my $login (@$dirs) {	1606	for my $login (@$dirs) {
		1607	my $path = path $login;
		1608
		1609	# a .pst is a dead give-away for a valid player
		1610	# if no pst file found, open and chekc for blocked users
		1611	if (aio_stat "$path.pst") {
1197	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1612	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1198	aio_read $fh, 0, 512, my $buf, 0 or next;	1613	aio_read $fh, 0, 512, my $buf, 0 or next;
1199	$buf !~ /^password -------------$/m or next; # official not-valid tag	1614	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1615	}
1200		1616
1201	utf8::decode $login;	1617	utf8::decode $login;
1202	push @logins, $login;	1618	push @logins, $login;
1203	}	1619	}
1204		1620
1205	\@logins	1621	\@logins
1206	}	1622	}
1207		1623
1208	=item $player->maps	1624	=item $player->maps
1209		1625
1210	Returns an arrayref of cf::path's of all maps that are private for this	1626	Returns an arrayref of map paths that are private for this
1211	player. May block.	1627	player. May block.
1212		1628
1213	=cut	1629	=cut
1214		1630
1215	sub maps($) {	1631	sub maps($) {
1216	my ($pl) = @_;	1632	my ($pl) = @_;
		1633
		1634	$pl = ref $pl ? $pl->ob->name : $pl;
1217		1635
1218	my $files = aio_readdir playerdir $pl	1636	my $files = aio_readdir playerdir $pl
1219	or return;	1637	or return;
1220		1638
1221	my @paths;	1639	my @paths;
…		…
1223	for (@$files) {	1641	for (@$files) {
1224	utf8::decode $_;	1642	utf8::decode $_;
1225	next if /\.(?:pl|pst)$/;	1643	next if /\.(?:pl|pst)$/;
1226	next unless /^$PATH_SEP/o;	1644	next unless /^$PATH_SEP/o;
1227		1645
1228	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1646	push @paths, cf::map::normalise "~$pl/$_";
1229	}	1647	}
1230		1648
1231	\@paths	1649	\@paths
1232	}	1650	}
1233		1651
		1652	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1653
		1654	Expand deliantra pod fragments into protocol xml.
		1655
1234	=item $player->ext_reply ($msgid, $msgtype, %msg)	1656	=item $player->ext_reply ($msgid, @msg)
1235		1657
1236	Sends an ext reply to the player.	1658	Sends an ext reply to the player.
1237		1659
1238	=cut	1660	=cut
1239		1661
1240	sub ext_reply($$$%) {	1662	sub ext_reply($$@) {
1241	my ($self, $id, %msg) = @_;	1663	my ($self, $id, @msg) = @_;
1242		1664
1243	$msg{msgid} = $id;	1665	$self->ns->ext_reply ($id, @msg)
1244
1245	$self->send ("ext " . cf::to_json \%msg);
1246	}	1666	}
1247		1667
1248	package cf;	1668	=item $player->ext_msg ($type, @msg)
		1669
		1670	Sends an ext event to the client.
		1671
		1672	=cut
		1673
		1674	sub ext_msg($$@) {
		1675	my ($self, $type, @msg) = @_;
		1676
		1677	$self->ns->ext_msg ($type, @msg);
		1678	}
		1679
		1680	=head3 cf::region
		1681
		1682	=over 4
		1683
		1684	=cut
		1685
		1686	package cf::region;
		1687
		1688	=item cf::region::find_by_path $path
		1689
		1690	Tries to decuce the likely region for a map knowing only its path.
		1691
		1692	=cut
		1693
		1694	sub find_by_path($) {
		1695	my ($path) = @_;
		1696
		1697	my ($match, $specificity);
		1698
		1699	for my $region (list) {
		1700	if ($region->{match} && $path =~ $region->{match}) {
		1701	($match, $specificity) = ($region, $region->specificity)
		1702	if $region->specificity > $specificity;
		1703	}
		1704	}
		1705
		1706	$match
		1707	}
1249		1708
1250	=back	1709	=back
1251
1252		1710
1253	=head3 cf::map	1711	=head3 cf::map
1254		1712
1255	=over 4	1713	=over 4
1256		1714
…		…
1259	package cf::map;	1717	package cf::map;
1260		1718
1261	use Fcntl;	1719	use Fcntl;
1262	use Coro::AIO;	1720	use Coro::AIO;
1263		1721
		1722	use overload
		1723	'""' => \&as_string,
		1724	fallback => 1;
		1725
1264	our $MAX_RESET = 3600;	1726	our $MAX_RESET = 3600;
1265	our $DEFAULT_RESET = 3000;	1727	our $DEFAULT_RESET = 3000;
1266		1728
1267	sub generate_random_map {	1729	sub generate_random_map {
1268	my ($path, $rmp) = @_;	1730	my ($self, $rmp) = @_;
		1731
		1732	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1269		1733
1270	# mit "rum" bekleckern, nicht	1734	# mit "rum" bekleckern, nicht
1271	cf::map::_create_random_map (	1735	$self->_create_random_map (
1272	$path,
1273	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1736	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1274	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1737	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1275	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1738	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1276	$rmp->{exit_on_final_map},	1739	$rmp->{exit_on_final_map},
1277	$rmp->{xsize}, $rmp->{ysize},	1740	$rmp->{xsize}, $rmp->{ysize},
…		…
1282	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1745	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1283	(cf::region::find $rmp->{region}), $rmp->{custom}	1746	(cf::region::find $rmp->{region}), $rmp->{custom}
1284	)	1747	)
1285	}	1748	}
1286		1749
1287	# and all this just because we cannot iterate over	1750	=item cf::map->register ($regex, $prio)
1288	# all maps in C++...
1289	sub change_all_map_light {
1290	my ($change) = @_;
1291		1751
1292	$_->change_map_light ($change)	1752	Register a handler for the map path matching the given regex at the
1293	for grep $_->outdoor, values %cf::MAP;	1753	givne priority (higher is better, built-in handlers have priority 0, the
1294	}	1754	default).
1295		1755
1296	sub load_map_header($) {	1756	=cut
		1757
		1758	sub register {
		1759	my (undef, $regex, $prio) = @_;
		1760	my $pkg = caller;
		1761
		1762	no strict;
		1763	push @{"$pkg\::ISA"}, __PACKAGE__;
		1764
		1765	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1766	}
		1767
		1768	# also paths starting with '/'
		1769	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1770
		1771	sub thawer_merge {
		1772	my ($self, $merge) = @_;
		1773
		1774	# we have to keep some variables in memory intact
		1775	local $self->{path};
		1776	local $self->{load_path};
		1777
		1778	$self->SUPER::thawer_merge ($merge);
		1779	}
		1780
		1781	sub normalise {
1297	my ($path) = @_;	1782	my ($path, $base) = @_;
		1783
		1784	$path = "$path"; # make sure its a string
		1785
		1786	$path =~ s/\.map$//;
		1787
		1788	# map plan:
		1789	#
		1790	# /! non-realised random map exit (special hack!)
		1791	# {... are special paths that are not being touched
		1792	# ?xxx/... are special absolute paths
		1793	# ?random/... random maps
		1794	# /... normal maps
		1795	# ~user/... per-player map of a specific user
		1796
		1797	$path =~ s/$PATH_SEP/\//go;
		1798
		1799	# treat it as relative path if it starts with
		1800	# something that looks reasonable
		1801	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1802	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1803
		1804	$base =~ s{[^/]+/?$}{};
		1805	$path = "$base/$path";
		1806	}
		1807
		1808	for ($path) {
		1809	redo if s{//}{/};
		1810	redo if s{/\.?/}{/};
		1811	redo if s{/[^/]+/\.\./}{/};
		1812	}
		1813
		1814	$path
		1815	}
		1816
		1817	sub new_from_path {
		1818	my (undef, $path, $base) = @_;
		1819
		1820	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1821
		1822	$path = normalise $path, $base;
		1823
		1824	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1825	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1826	my $self = bless cf::map::new, $pkg;
		1827	$self->{path} = $path; $self->path ($path);
		1828	$self->init; # pass $1 etc.
		1829	return $self;
		1830	}
		1831	}
		1832
		1833	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1834	()
		1835	}
		1836
		1837	sub init {
		1838	my ($self) = @_;
		1839
		1840	$self
		1841	}
		1842
		1843	sub as_string {
		1844	my ($self) = @_;
		1845
		1846	"$self->{path}"
		1847	}
		1848
		1849	# the displayed name, this is a one way mapping
		1850	sub visible_name {
		1851	&as_string
		1852	}
		1853
		1854	# the original (read-only) location
		1855	sub load_path {
		1856	my ($self) = @_;
		1857
		1858	"$MAPDIR/$self->{path}.map"
		1859	}
		1860
		1861	# the temporary/swap location
		1862	sub save_path {
		1863	my ($self) = @_;
		1864
		1865	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1866	"$TMPDIR/$path.map"
		1867	}
		1868
		1869	# the unique path, undef == no special unique path
		1870	sub uniq_path {
		1871	my ($self) = @_;
		1872
		1873	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1874	"$UNIQUEDIR/$path"
		1875	}
		1876
		1877	sub decay_objects {
		1878	my ($self) = @_;
		1879
		1880	return if $self->{deny_reset};
		1881
		1882	$self->do_decay_objects;
		1883	}
		1884
		1885	sub unlink_save {
		1886	my ($self) = @_;
		1887
		1888	utf8::encode (my $save = $self->save_path);
		1889	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1890	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1891	}
		1892
		1893	sub load_header_from($) {
		1894	my ($self, $path) = @_;
1298		1895
1299	utf8::encode $path;	1896	utf8::encode $path;
1300	aio_open $path, O_RDONLY, 0	1897	my $f = new_from_file cf::object::thawer $path
1301	or return;	1898	or return;
1302		1899
1303	my $map = cf::map::new	1900	$self->_load_header ($f)
1304	or return;	1901	or return;
1305		1902
1306	# for better error messages only, will be overwritten later	1903	local $MAP_LOADING{$self->{path}} = $self;
1307	$map->path ($path);	1904	$f->resolve_delayed_derefs;
1308		1905
1309	$map->load_header ($path)	1906	$self->{load_path} = $path;
		1907
		1908	1
		1909	}
		1910
		1911	sub load_header_orig {
		1912	my ($self) = @_;
		1913
		1914	$self->load_header_from ($self->load_path)
		1915	}
		1916
		1917	sub load_header_temp {
		1918	my ($self) = @_;
		1919
		1920	$self->load_header_from ($self->save_path)
		1921	}
		1922
		1923	sub prepare_temp {
		1924	my ($self) = @_;
		1925
		1926	$self->last_access ((delete $self->{last_access})
		1927	|| $cf::RUNTIME); #d#
		1928	# safety
		1929	$self->{instantiate_time} = $cf::RUNTIME
		1930	if $self->{instantiate_time} > $cf::RUNTIME;
		1931	}
		1932
		1933	sub prepare_orig {
		1934	my ($self) = @_;
		1935
		1936	$self->{load_original} = 1;
		1937	$self->{instantiate_time} = $cf::RUNTIME;
		1938	$self->last_access ($cf::RUNTIME);
		1939	$self->instantiate;
		1940	}
		1941
		1942	sub load_header {
		1943	my ($self) = @_;
		1944
		1945	if ($self->load_header_temp) {
		1946	$self->prepare_temp;
		1947	} else {
		1948	$self->load_header_orig
1310	or return;	1949	or return;
		1950	$self->prepare_orig;
		1951	}
1311		1952
1312	$map->{load_path} = $path;	1953	$self->{deny_reset} = 1
		1954	if $self->no_reset;
1313		1955
1314	$map	1956	$self->default_region (cf::region::find_by_path $self->{path})
		1957	unless $self->default_region;
		1958
		1959	1
1315	}	1960	}
1316		1961
1317	sub find;	1962	sub find;
1318	sub find {	1963	sub find {
1319	my ($path, $origin) = @_;	1964	my ($path, $origin) = @_;
1320		1965
1321	#warn "find<$path,$origin>\n";#d#
1322
1323	$path = new cf::path $path, $origin && $origin->path;	1966	$path = normalise $path, $origin && $origin->path;
1324	my $key = $path->as_string;
1325		1967
1326	cf::lock_wait "map_find:$key";	1968	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1327
1328	$cf::MAP{$key} || do {
1329	my $guard = cf::lock_acquire "map_find:$key";	1969	my $guard2 = cf::lock_acquire "map_find:$path";
1330		1970
1331	# do it the slow way	1971	$cf::MAP{$path} || do {
1332	my $map = $path->load_temp;	1972	my $map = new_from_path cf::map $path
1333
1334	Coro::cede;
1335
1336	if ($map) {
1337	$map->last_access ((delete $map->{last_access})
1338	|| $cf::RUNTIME); #d#
1339	# safety
1340	$map->{instantiate_time} = $cf::RUNTIME
1341	if $map->{instantiate_time} > $cf::RUNTIME;
1342	} else {
1343	$map = $path->load_orig
1344	or return;	1973	or return;
1345		1974
1346	$map->{load_original} = 1;
1347	$map->{instantiate_time} = $cf::RUNTIME;
1348	$map->last_access ($cf::RUNTIME);
1349	$map->instantiate;
1350
1351	# per-player maps become, after loading, normal maps
1352	$map->per_player (0) if $path->{user_rel};
1353	}
1354
1355	$map->path ($key);
1356	$map->{path} = $path;
1357	$map->{last_save} = $cf::RUNTIME;	1975	$map->{last_save} = $cf::RUNTIME;
1358		1976
1359	Coro::cede;	1977	$map->load_header
		1978	or return;
1360		1979
1361	if ($map->should_reset) {	1980	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1981	# doing this can freeze the server in a sync job, obviously
		1982	#$cf::WAIT_FOR_TICK->wait;
		1983	undef $guard2;
		1984	undef $guard1;
1362	$map->reset;	1985	$map->reset;
1363	undef $guard;
1364	$map = find $path	1986	return find $path;
1365	or return;
1366	}	1987	}
1367		1988
1368	$cf::MAP{$key} = $map	1989	$cf::MAP{$path} = $map
1369	}	1990	}
1370	}	1991	}
		1992
		1993	sub pre_load { }
		1994	sub post_load { }
1371		1995
1372	sub load {	1996	sub load {
1373	my ($self) = @_;	1997	my ($self) = @_;
1374		1998
		1999	local $self->{deny_reset} = 1; # loading can take a long time
		2000
1375	my $path = $self->{path};	2001	my $path = $self->{path};
		2002
		2003	{
1376	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2004	my $guard = cf::lock_acquire "map_data:$path";
1377		2005
		2006	return unless $self->valid;
1378	return if $self->in_memory != cf::MAP_SWAPPED;	2007	return unless $self->in_memory == cf::MAP_SWAPPED;
1379		2008
1380	$self->in_memory (cf::MAP_LOADING);	2009	$self->in_memory (cf::MAP_LOADING);
1381		2010
1382	$self->alloc;	2011	$self->alloc;
1383	$self->load_objects ($self->{load_path}, 1)	2012
		2013	$self->pre_load;
		2014	cf::cede_to_tick;
		2015
		2016	my $f = new_from_file cf::object::thawer $self->{load_path};
		2017	$f->skip_block;
		2018	$self->_load_objects ($f)
1384	or return;	2019	or return;
1385		2020
1386	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2021	$self->post_load_original
1387	if delete $self->{load_original};	2022	if delete $self->{load_original};
1388		2023
1389	if (my $uniq = $path->uniq_path) {	2024	if (my $uniq = $self->uniq_path) {
1390	utf8::encode $uniq;	2025	utf8::encode $uniq;
1391	if (aio_open $uniq, O_RDONLY, 0) {	2026	unless (aio_stat $uniq) {
		2027	if (my $f = new_from_file cf::object::thawer $uniq) {
1392	$self->clear_unique_items;	2028	$self->clear_unique_items;
1393	$self->load_objects ($uniq, 0);	2029	$self->_load_objects ($f);
		2030	$f->resolve_delayed_derefs;
		2031	}
1394	}	2032	}
1395	}	2033	}
1396		2034
1397	Coro::cede;	2035	$f->resolve_delayed_derefs;
1398		2036
		2037	cf::cede_to_tick;
1399	# now do the right thing for maps	2038	# now do the right thing for maps
1400	$self->link_multipart_objects;	2039	$self->link_multipart_objects;
1401
1402	if ($self->{path}->is_style_map) {
1403	$self->{deny_save} = 1;
1404	$self->{deny_reset} = 1;
1405	} else {
1406	$self->fix_auto_apply;
1407	$self->decay_objects;
1408	$self->update_buttons;
1409	$self->set_darkness_map;
1410	$self->difficulty ($self->estimate_difficulty)	2040	$self->difficulty ($self->estimate_difficulty)
1411	unless $self->difficulty;	2041	unless $self->difficulty;
		2042	cf::cede_to_tick;
		2043
		2044	unless ($self->{deny_activate}) {
		2045	$self->decay_objects;
		2046	$self->fix_auto_apply;
		2047	$self->update_buttons;
		2048	cf::cede_to_tick;
1412	$self->activate;	2049	$self->activate;
1413	}	2050	}
1414		2051
1415	Coro::cede;	2052	$self->{last_save} = $cf::RUNTIME;
		2053	$self->last_access ($cf::RUNTIME);
1416		2054
1417	$self->in_memory (cf::MAP_IN_MEMORY);	2055	$self->in_memory (cf::MAP_ACTIVE);
		2056	}
		2057
		2058	$self->post_load;
		2059	}
		2060
		2061	sub customise_for {
		2062	my ($self, $ob) = @_;
		2063
		2064	return find "~" . $ob->name . "/" . $self->{path}
		2065	if $self->per_player;
		2066
		2067	# return find "?party/" . $ob->name . "/" . $self->{path}
		2068	# if $self->per_party;
		2069
		2070	$self
1418	}	2071	}
1419		2072
1420	# find and load all maps in the 3x3 area around a map	2073	# find and load all maps in the 3x3 area around a map
1421	sub load_diag {	2074	sub load_neighbours {
1422	my ($map) = @_;	2075	my ($map) = @_;
1423		2076
1424	my @diag; # diagonal neighbours	2077	my @neigh; # diagonal neighbours
1425		2078
1426	for (0 .. 3) {	2079	for (0 .. 3) {
1427	my $neigh = $map->tile_path ($_)	2080	my $neigh = $map->tile_path ($_)
1428	or next;	2081	or next;
1429	$neigh = find $neigh, $map	2082	$neigh = find $neigh, $map
1430	or next;	2083	or next;
1431	$neigh->load;	2084	$neigh->load;
1432		2085
		2086	push @neigh,
1433	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2087	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1434	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2088	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1435	}	2089	}
1436		2090
1437	for (@diag) {	2091	for (grep defined $_->[0], @neigh) {
		2092	my ($path, $origin) = @$_;
1438	my $neigh = find @$_	2093	my $neigh = find $path, $origin
1439	or next;	2094	or next;
1440	$neigh->load;	2095	$neigh->load;
1441	}	2096	}
1442	}	2097	}
1443		2098
…		…
1448	}	2103	}
1449		2104
1450	sub do_load_sync {	2105	sub do_load_sync {
1451	my ($map) = @_;	2106	my ($map) = @_;
1452		2107
		2108	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2109	if $Coro::current == $Coro::main;
		2110
1453	cf::sync_job { $map->load };	2111	cf::sync_job { $map->load };
1454	}	2112	}
1455		2113
1456	our %MAP_PREFETCH;	2114	our %MAP_PREFETCH;
		2115	our $MAP_PREFETCHER = undef;
		2116
		2117	sub find_async {
		2118	my ($path, $origin, $load) = @_;
		2119
		2120	$path = normalise $path, $origin && $origin->{path};
		2121
		2122	if (my $map = $cf::MAP{$path}) {
		2123	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2124	}
		2125
		2126	$MAP_PREFETCH{$path} |= $load;
		2127
1457	our $MAP_PREFETCHER = Coro::async {	2128	$MAP_PREFETCHER ||= cf::async {
1458	while () {	2129	$Coro::current->{desc} = "map prefetcher";
		2130
1459	while (%MAP_PREFETCH) {	2131	while (%MAP_PREFETCH) {
1460	my $key = each %MAP_PREFETCH	2132	while (my ($k, $v) = each %MAP_PREFETCH) {
1461	or next;	2133	if (my $map = find $k) {
		2134	$map->load if $v;
		2135	}
		2136
1462	my $path = delete $MAP_PREFETCH{$key};	2137	delete $MAP_PREFETCH{$k};
1463
1464	my $map = find $path
1465	or next;
1466	$map->load;
1467	}	2138	}
1468	Coro::schedule;	2139	}
		2140	undef $MAP_PREFETCHER;
1469	}	2141	};
1470	};
1471
1472	sub find_async {
1473	my ($path, $origin) = @_;
1474
1475	$path = new cf::path $path, $origin && $origin->path;
1476	my $key = $path->as_string;
1477
1478	if (my $map = $cf::MAP{$key}) {
1479	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1480	}
1481
1482	$MAP_PREFETCH{$key} = $path;
1483	$MAP_PREFETCHER->ready;	2142	$MAP_PREFETCHER->prio (6);
1484		2143
1485	()	2144	()
1486	}	2145	}
1487		2146
1488	sub save {	2147	sub save {
1489	my ($self) = @_;	2148	my ($self) = @_;
1490		2149
1491	my $lock = cf::lock_acquire "map_data:" . $self->path;	2150	my $lock = cf::lock_acquire "map_data:$self->{path}";
1492		2151
1493	$self->{last_save} = $cf::RUNTIME;	2152	$self->{last_save} = $cf::RUNTIME;
1494		2153
1495	return unless $self->dirty;	2154	return unless $self->dirty;
1496		2155
1497	my $save = $self->{path}->save_path; utf8::encode $save;	2156	my $save = $self->save_path; utf8::encode $save;
1498	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2157	my $uniq = $self->uniq_path; utf8::encode $uniq;
1499		2158
1500	$self->{load_path} = $save;	2159	$self->{load_path} = $save;
1501		2160
1502	return if $self->{deny_save};	2161	return if $self->{deny_save};
1503		2162
1504	local $self->{last_access} = $self->last_access;#d#	2163	local $self->{last_access} = $self->last_access;#d#
1505		2164
1506	cf::async {	2165	cf::async {
		2166	$Coro::current->{desc} = "map player save";
1507	$_->contr->save for $self->players;	2167	$_->contr->save for $self->players;
1508	};	2168	};
1509		2169
		2170	cf::get_slot 0.02;
		2171
1510	if ($uniq) {	2172	if ($uniq) {
1511	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2173	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1512	$self->save_objects ($uniq, cf::IO_UNIQUES);	2174	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1513	} else {	2175	} else {
1514	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2176	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1515	}	2177	}
1516	}	2178	}
1517		2179
1518	sub swap_out {	2180	sub swap_out {
1519	my ($self) = @_;	2181	my ($self) = @_;
1520		2182
1521	# save first because save cedes	2183	# save first because save cedes
1522	$self->save;	2184	$self->save;
1523		2185
1524	my $lock = cf::lock_acquire "map_data:" . $self->path;	2186	my $lock = cf::lock_acquire "map_data:$self->{path}";
1525		2187
1526	return if $self->players;	2188	return if $self->players;
1527	return if $self->in_memory != cf::MAP_IN_MEMORY;	2189	return if $self->in_memory != cf::MAP_ACTIVE;
1528	return if $self->{deny_save};	2190	return if $self->{deny_save};
1529		2191
		2192	$self->in_memory (cf::MAP_SWAPPED);
		2193
		2194	$self->deactivate;
		2195	$_->clear_links_to ($self) for values %cf::MAP;
1530	$self->clear;	2196	$self->clear;
1531	$self->in_memory (cf::MAP_SWAPPED);
1532	}	2197	}
1533		2198
1534	sub reset_at {	2199	sub reset_at {
1535	my ($self) = @_;	2200	my ($self) = @_;
1536		2201
1537	# TODO: safety, remove and allow resettable per-player maps	2202	# TODO: safety, remove and allow resettable per-player maps
1538	return 1e99 if $self->{path}{user_rel};
1539	return 1e99 if $self->{deny_reset};	2203	return 1e99 if $self->{deny_reset};
1540		2204
1541	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2205	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1542	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2206	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1543		2207
…		…
1548	my ($self) = @_;	2212	my ($self) = @_;
1549		2213
1550	$self->reset_at <= $cf::RUNTIME	2214	$self->reset_at <= $cf::RUNTIME
1551	}	2215	}
1552		2216
1553	sub unlink_save {
1554	my ($self) = @_;
1555
1556	utf8::encode (my $save = $self->{path}->save_path);
1557	aioreq_pri 3; IO::AIO::aio_unlink $save;
1558	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1559	}
1560
1561	sub rename {
1562	my ($self, $new_path) = @_;
1563
1564	$self->unlink_save;
1565
1566	delete $cf::MAP{$self->path};
1567	$self->{path} = new cf::path $new_path;
1568	$self->path ($self->{path}->as_string);
1569	$cf::MAP{$self->path} = $self;
1570
1571	$self->save;
1572	}
1573
1574	sub reset {	2217	sub reset {
1575	my ($self) = @_;	2218	my ($self) = @_;
1576		2219
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	2220	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2221
1579	return if $self->players;	2222	return if $self->players;
1580	return if $self->{path}{user_rel};#d#
1581		2223
1582	warn "resetting map ", $self->path;#d#	2224	warn "resetting map ", $self->path;
		2225
		2226	$self->in_memory (cf::MAP_SWAPPED);
		2227
		2228	# need to save uniques path
		2229	unless ($self->{deny_save}) {
		2230	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2231
		2232	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2233	if $uniq;
		2234	}
1583		2235
1584	delete $cf::MAP{$self->path};	2236	delete $cf::MAP{$self->path};
1585		2237
		2238	$self->deactivate;
1586	$_->clear_links_to ($self) for values %cf::MAP;	2239	$_->clear_links_to ($self) for values %cf::MAP;
		2240	$self->clear;
1587		2241
1588	$self->unlink_save;	2242	$self->unlink_save;
1589	$self->destroy;	2243	$self->destroy;
1590	}	2244	}
1591		2245
1592	my $nuke_counter = "aaaa";	2246	my $nuke_counter = "aaaa";
1593		2247
1594	sub nuke {	2248	sub nuke {
1595	my ($self) = @_;	2249	my ($self) = @_;
1596		2250
		2251	{
		2252	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2253
		2254	delete $cf::MAP{$self->path};
		2255
		2256	$self->unlink_save;
		2257
		2258	bless $self, "cf::map";
		2259	delete $self->{deny_reset};
1597	$self->{deny_save} = 1;	2260	$self->{deny_save} = 1;
1598	$self->reset_timeout (1);	2261	$self->reset_timeout (1);
1599	$self->rename ("{nuke}/" . ($nuke_counter++));	2262	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2263
		2264	$cf::MAP{$self->path} = $self;
		2265	}
		2266
1600	$self->reset; # polite request, might not happen	2267	$self->reset; # polite request, might not happen
1601	}	2268	}
1602		2269
1603	sub customise_for {	2270	=item $maps = cf::map::tmp_maps
1604	my ($map, $ob) = @_;
1605		2271
1606	if ($map->per_player) {	2272	Returns an arrayref with all map paths of currently instantiated and saved
1607	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2273	maps. May block.
		2274
		2275	=cut
		2276
		2277	sub tmp_maps() {
1608	}	2278	[
		2279	map {
		2280	utf8::decode $_;
		2281	/\.map$/
		2282	? normalise $_
		2283	: ()
		2284	} @{ aio_readdir $TMPDIR or [] }
		2285	]
		2286	}
1609		2287
1610	$map	2288	=item $maps = cf::map::random_maps
		2289
		2290	Returns an arrayref with all map paths of currently instantiated and saved
		2291	random maps. May block.
		2292
		2293	=cut
		2294
		2295	sub random_maps() {
		2296	[
		2297	map {
		2298	utf8::decode $_;
		2299	/\.map$/
		2300	? normalise "?random/$_"
		2301	: ()
		2302	} @{ aio_readdir $RANDOMDIR or [] }
		2303	]
1611	}	2304	}
1612		2305
1613	=item cf::map::unique_maps	2306	=item cf::map::unique_maps
1614		2307
1615	Returns an arrayref of cf::path's of all shared maps that have	2308	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	2309	instantiated unique items. May block.
1617		2310
1618	=cut	2311	=cut
1619		2312
1620	sub unique_maps() {	2313	sub unique_maps() {
1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2314	[
1622	or return;	2315	map {
1623
1624	my @paths;
1625
1626	for (@$files) {
1627	utf8::decode $_;	2316	utf8::decode $_;
1628	next if /\.pst$/;	2317	s/\.map$//; # TODO future compatibility hack
1629	next unless /^$PATH_SEP/o;	2318	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1630		2319	? ()
1631	push @paths, new cf::path $_;	2320	: normalise $_
		2321	} @{ aio_readdir $UNIQUEDIR or [] }
1632	}	2322	]
1633
1634	\@paths
1635	}	2323	}
1636
1637	package cf;
1638		2324
1639	=back	2325	=back
1640		2326
1641	=head3 cf::object	2327	=head3 cf::object
1642		2328
…		…
1646		2332
1647	=over 4	2333	=over 4
1648		2334
1649	=item $ob->inv_recursive	2335	=item $ob->inv_recursive
1650		2336
1651	Returns the inventory of the object _and_ their inventories, recursively.	2337	Returns the inventory of the object I<and> their inventories, recursively,
		2338	but I<not> the object itself.
1652		2339
1653	=cut	2340	=cut
1654		2341
1655	sub inv_recursive_;	2342	sub inv_recursive_;
1656	sub inv_recursive_ {	2343	sub inv_recursive_ {
…		…
1659		2346
1660	sub inv_recursive {	2347	sub inv_recursive {
1661	inv_recursive_ inv $_[0]	2348	inv_recursive_ inv $_[0]
1662	}	2349	}
1663		2350
		2351	=item $ref = $ob->ref
		2352
		2353	Creates and returns a persistent reference to an object that can be stored as a string.
		2354
		2355	=item $ob = cf::object::deref ($refstring)
		2356
		2357	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2358	even if the object actually exists. May block.
		2359
		2360	=cut
		2361
		2362	sub deref {
		2363	my ($ref) = @_;
		2364
		2365	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2366	my ($uuid, $name) = ($1, $2);
		2367	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2368	or return;
		2369	$pl->ob->uuid eq $uuid
		2370	or return;
		2371
		2372	$pl->ob
		2373	} else {
		2374	warn "$ref: cannot resolve object reference\n";
		2375	undef
		2376	}
		2377	}
		2378
1664	package cf;	2379	package cf;
1665		2380
1666	=back	2381	=back
1667		2382
1668	=head3 cf::object::player	2383	=head3 cf::object::player
…		…
1674	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2389	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1675	can be C<undef>. Does the right thing when the player is currently in a	2390	can be C<undef>. Does the right thing when the player is currently in a
1676	dialogue with the given NPC character.	2391	dialogue with the given NPC character.
1677		2392
1678	=cut	2393	=cut
		2394
		2395	our $SAY_CHANNEL = {
		2396	id => "say",
		2397	title => "Map",
		2398	reply => "say ",
		2399	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2400	};
		2401
		2402	our $CHAT_CHANNEL = {
		2403	id => "chat",
		2404	title => "Chat",
		2405	reply => "chat ",
		2406	tooltip => "Player chat and shouts, global to the server.",
		2407	};
1679		2408
1680	# rough implementation of a future "reply" method that works	2409	# rough implementation of a future "reply" method that works
1681	# with dialog boxes.	2410	# with dialog boxes.
1682	#TODO: the first argument must go, split into a $npc->reply_to ( method	2411	#TODO: the first argument must go, split into a $npc->reply_to ( method
1683	sub cf::object::player::reply($$$;$) {	2412	sub cf::object::player::reply($$$;$) {
…		…
1685		2414
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2415	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2416
1688	if ($self->{record_replies}) {	2417	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2418	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2419
1690	} else {	2420	} else {
		2421	my $pl = $self->contr;
		2422
		2423	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2424	my $dialog = $pl->{npc_dialog};
		2425	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2426
		2427	} else {
1691	$msg = $npc->name . " says: $msg" if $npc;	2428	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2429	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2430	}
1693	}	2431	}
		2432	}
		2433
		2434	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2435
		2436	=cut
		2437
		2438	sub cf::object::send_msg {
		2439	my $pl = shift->contr
		2440	or return;
		2441	$pl->send_msg (@_);
1694	}	2442	}
1695		2443
1696	=item $player_object->may ("access")	2444	=item $player_object->may ("access")
1697		2445
1698	Returns wether the given player is authorized to access resource "access"	2446	Returns wether the given player is authorized to access resource "access"
…		…
1711		2459
1712	=item $player_object->enter_link	2460	=item $player_object->enter_link
1713		2461
1714	Freezes the player and moves him/her to a special map (C<{link}>).	2462	Freezes the player and moves him/her to a special map (C<{link}>).
1715		2463
1716	The player should be reaosnably safe there for short amounts of time. You	2464	The player should be reasonably safe there for short amounts of time (e.g.
1717	I<MUST> call C<leave_link> as soon as possible, though.	2465	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2466	though, as the palyer cannot control the character while it is on the link
		2467	map.
		2468
		2469	Will never block.
1718		2470
1719	=item $player_object->leave_link ($map, $x, $y)	2471	=item $player_object->leave_link ($map, $x, $y)
1720		2472
1721	Moves the player out of the specila link map onto the given map. If the	2473	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	2474	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	2475	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	2476	fails, to the emergency map position.
1725		2477
1726	Might block.	2478	Might block.
1727		2479
1728	=cut	2480	=cut
		2481
		2482	sub link_map {
		2483	unless ($LINK_MAP) {
		2484	$LINK_MAP = cf::map::find "{link}"
		2485	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2486	$LINK_MAP->load;
		2487	}
		2488
		2489	$LINK_MAP
		2490	}
1729		2491
1730	sub cf::object::player::enter_link {	2492	sub cf::object::player::enter_link {
1731	my ($self) = @_;	2493	my ($self) = @_;
1732		2494
1733	$self->deactivate_recursive;	2495	$self->deactivate_recursive;
1734		2496
1735	return if $self->map == $LINK_MAP;	2497	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		2498
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2499	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	2500	if $self->map && $self->map->{path} ne "{link}";
1739		2501
1740	$self->enter_map ($LINK_MAP, 20, 20);	2502	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	2503	}
1742		2504
1743	sub cf::object::player::leave_link {	2505	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	2506	my ($self, $map, $x, $y) = @_;
		2507
		2508	return unless $self->contr->active;
1745		2509
1746	my $link_pos = delete $self->{_link_pos};	2510	my $link_pos = delete $self->{_link_pos};
1747		2511
1748	unless ($map) {	2512	unless ($map) {
1749	# restore original map position	2513	# restore original map position
…		…
1763	# use -1 or undef as default coordinates, not 0, 0	2527	# use -1 or undef as default coordinates, not 0, 0
1764	($x, $y) = ($map->enter_x, $map->enter_y)	2528	($x, $y) = ($map->enter_x, $map->enter_y)
1765	if $x <=0 && $y <= 0;	2529	if $x <=0 && $y <= 0;
1766		2530
1767	$map->load;	2531	$map->load;
1768	$map->load_diag;	2532	$map->load_neighbours;
1769		2533
1770	return unless $self->contr->active;	2534	return unless $self->contr->active;
		2535	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1771	$self->activate_recursive;	2536	$self->activate_recursive;
		2537
		2538	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772	$self->enter_map ($map, $x, $y);	2539	$self->enter_map ($map, $x, $y);
1773	}	2540	}
1774		2541
1775	cf::player->attach (	2542	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1776	on_logout => sub {
1777	my ($pl) = @_;
1778		2543
1779	# abort map switching before logout	2544	Moves the player to the given map-path and coordinates by first freezing
1780	if ($pl->ob->{_link_pos}) {	2545	her, loading and preparing them map, calling the provided $check callback
1781	cf::sync_job {	2546	that has to return the map if sucecssful, and then unfreezes the player on
1782	$pl->ob->leave_link	2547	the new (success) or old (failed) map position. In either case, $done will
1783	};	2548	be called at the end of this process.
1784	}
1785	},
1786	on_login => sub {
1787	my ($pl) = @_;
1788		2549
1789	# try to abort aborted map switching on player login :)	2550	Note that $check will be called with a potentially non-loaded map, so if
1790	# should happen only on crashes	2551	it needs a loaded map it has to call C<< ->load >>.
1791	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;
1793	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);
1800	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;
1802	})->prio (2);
1803	}
1804	},
1805	);
1806		2552
1807	=item $player_object->goto ($path, $x, $y)
1808
1809	=cut	2553	=cut
		2554
		2555	our $GOTOGEN;
1810		2556
1811	sub cf::object::player::goto {	2557	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	2558	my ($self, $path, $x, $y, $check, $done) = @_;
1813		2559
1814	$path = new cf::path $path;	2560	# do generation counting so two concurrent goto's will be executed in-order
		2561	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1815		2562
1816	$self->enter_link;	2563	$self->enter_link;
1817		2564
1818	(async {	2565	(async {
1819	my $map = cf::map::find $path->as_string;	2566	$Coro::current->{desc} = "player::goto $path $x $y";
		2567
		2568	# *tag paths override both path and x|y
		2569	if ($path =~ /^\*(.*)$/) {
		2570	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2571	my $ob = $obs[rand @obs];
		2572
		2573	# see if we actually can go there
		2574	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2575	$ob = $obs[rand @obs];
		2576	} else {
		2577	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2578	}
		2579	# else put us there anyways for now #d#
		2580
		2581	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2582	} else {
		2583	($path, $x, $y) = (undef, undef, undef);
		2584	}
		2585	}
		2586
		2587	my $map = eval {
		2588	my $map = defined $path ? cf::map::find $path : undef;
		2589
		2590	if ($map) {
1820	$map = $map->customise_for ($self) if $map;	2591	$map = $map->customise_for ($self);
1821		2592	$map = $check->($map) if $check && $map;
1822	# warn "entering ", $map->path, " at ($x, $y)\n"	2593	} else {
1823	# if $map;
1824
1825	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2594	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2595	}
1826		2596
		2597	$map
		2598	};
		2599
		2600	if ($@) {
		2601	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2602	LOG llevError | logBacktrace, Carp::longmess $@;
		2603	}
		2604
		2605	if ($gen == $self->{_goto_generation}) {
		2606	delete $self->{_goto_generation};
1827	$self->leave_link ($map, $x, $y);	2607	$self->leave_link ($map, $x, $y);
		2608	}
		2609
		2610	$done->() if $done;
1828	})->prio (1);	2611	})->prio (1);
1829	}	2612	}
1830		2613
1831	=item $player_object->enter_exit ($exit_object)	2614	=item $player_object->enter_exit ($exit_object)
1832		2615
…		…
1834		2617
1835	sub parse_random_map_params {	2618	sub parse_random_map_params {
1836	my ($spec) = @_;	2619	my ($spec) = @_;
1837		2620
1838	my $rmp = { # defaults	2621	my $rmp = { # defaults
1839	xsize => 10,	2622	xsize => (cf::rndm 15, 40),
1840	ysize => 10,	2623	ysize => (cf::rndm 15, 40),
		2624	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2625	#layout => string,
1841	};	2626	};
1842		2627
1843	for (split /\n/, $spec) {	2628	for (split /\n/, $spec) {
1844	my ($k, $v) = split /\s+/, $_, 2;	2629	my ($k, $v) = split /\s+/, $_, 2;
1845		2630
…		…
1857	# that depends on the exit object	2642	# that depends on the exit object
1858		2643
1859	my $rmp = parse_random_map_params $exit->msg;	2644	my $rmp = parse_random_map_params $exit->msg;
1860		2645
1861	if ($exit->map) {	2646	if ($exit->map) {
1862	$rmp->{region} = $exit->map->region_name;	2647	$rmp->{region} = $exit->region->name;
1863	$rmp->{origin_map} = $exit->map->path;	2648	$rmp->{origin_map} = $exit->map->path;
1864	$rmp->{origin_x} = $exit->x;	2649	$rmp->{origin_x} = $exit->x;
1865	$rmp->{origin_y} = $exit->y;	2650	$rmp->{origin_y} = $exit->y;
		2651
		2652	$exit->map->touch;
1866	}	2653	}
1867		2654
1868	$rmp->{random_seed} ||= $exit->random_seed;	2655	$rmp->{random_seed} ||= $exit->random_seed;
1869		2656
1870	my $data = cf::to_json $rmp;	2657	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1871	my $md5 = Digest::MD5::md5_hex $data;	2658	my $md5 = Digest::MD5::md5_hex $data;
		2659	my $meta = "$RANDOMDIR/$md5.meta";
1872		2660
1873	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2661	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1874	aio_write $fh, 0, (length $data), $data, 0;	2662	aio_write $fh, 0, (length $data), $data, 0;
		2663	undef $fh;
		2664	aio_rename "$meta~", $meta;
1875		2665
		2666	my $slaying = "?random/$md5";
		2667
		2668	if ($exit->valid) {
1876	$exit->slaying ("?random/$md5");	2669	$exit->slaying ("?random/$md5");
1877	$exit->msg (undef);	2670	$exit->msg (undef);
		2671	}
1878	}	2672	}
1879	}	2673	}
1880		2674
1881	sub cf::object::player::enter_exit {	2675	sub cf::object::player::enter_exit {
1882	my ($self, $exit) = @_;	2676	my ($self, $exit) = @_;
…		…
1884	return unless $self->type == cf::PLAYER;	2678	return unless $self->type == cf::PLAYER;
1885		2679
1886	$self->enter_link;	2680	$self->enter_link;
1887		2681
1888	(async {	2682	(async {
1889	$self->deactivate_recursive; # just to be sure	2683	$Coro::current->{desc} = "enter_exit";
		2684
1890	unless (eval {	2685	unless (eval {
		2686	$self->deactivate_recursive; # just to be sure
		2687
		2688	# random map handling
		2689	{
		2690	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2691
1891	prepare_random_map $exit	2692	prepare_random_map $exit
1892	if $exit->slaying eq "/!";	2693	if $exit->slaying eq "/!";
		2694	}
1893		2695
1894	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2696	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1895	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2697	my $x = $exit->stats->hp;
		2698	my $y = $exit->stats->sp;
1896		2699
		2700	$self->goto ($map, $x, $y);
		2701
		2702	# if exit is damned, update players death & WoR home-position
		2703	$self->contr->savebed ($map, $x, $y)
		2704	if $exit->flag (cf::FLAG_DAMNED);
		2705
1897	1;	2706	1
1898	}) {	2707	}) {
1899	$self->message ("Something went wrong deep within the crossfire server. "	2708	$self->message ("Something went wrong deep within the deliantra server. "
1900	. "I'll try to bring you back to the map you were before. "	2709	. "I'll try to bring you back to the map you were before. "
1901	. "Please report this to the dungeon master!",	2710	. "Please report this to the dungeon master!",
1902	cf::NDI_UNIQUE | cf::NDI_RED);	2711	cf::NDI_UNIQUE | cf::NDI_RED);
1903		2712
1904	warn "ERROR in enter_exit: $@";	2713	warn "ERROR in enter_exit: $@";
1905	$self->leave_link;	2714	$self->leave_link;
1906	}	2715	}
1907	})->prio (1);	2716	})->prio (1);
…		…
1920		2729
1921	sub cf::client::send_drawinfo {	2730	sub cf::client::send_drawinfo {
1922	my ($self, $text, $flags) = @_;	2731	my ($self, $text, $flags) = @_;
1923		2732
1924	utf8::encode $text;	2733	utf8::encode $text;
1925	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2734	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1926	}	2735	}
1927		2736
		2737	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2738
		2739	Send a drawinfo or msg packet to the client, formatting the msg for the
		2740	client if neccessary. C<$type> should be a string identifying the type of
		2741	the message, with C<log> being the default. If C<$color> is negative, suppress
		2742	the message unless the client supports the msg packet.
		2743
		2744	=cut
		2745
		2746	# non-persistent channels (usually the info channel)
		2747	our %CHANNEL = (
		2748	"c/identify" => {
		2749	id => "infobox",
		2750	title => "Identify",
		2751	reply => undef,
		2752	tooltip => "Items recently identified",
		2753	},
		2754	"c/examine" => {
		2755	id => "infobox",
		2756	title => "Examine",
		2757	reply => undef,
		2758	tooltip => "Signs and other items you examined",
		2759	},
		2760	"c/book" => {
		2761	id => "infobox",
		2762	title => "Book",
		2763	reply => undef,
		2764	tooltip => "The contents of a note or book",
		2765	},
		2766	"c/lookat" => {
		2767	id => "infobox",
		2768	title => "Look",
		2769	reply => undef,
		2770	tooltip => "What you saw there",
		2771	},
		2772	"c/who" => {
		2773	id => "infobox",
		2774	title => "Players",
		2775	reply => undef,
		2776	tooltip => "Shows players who are currently online",
		2777	},
		2778	"c/body" => {
		2779	id => "infobox",
		2780	title => "Body Parts",
		2781	reply => undef,
		2782	tooltip => "Shows which body parts you posess and are available",
		2783	},
		2784	"c/statistics" => {
		2785	id => "infobox",
		2786	title => "Statistics",
		2787	reply => undef,
		2788	tooltip => "Shows your primary statistics",
		2789	},
		2790	"c/skills" => {
		2791	id => "infobox",
		2792	title => "Skills",
		2793	reply => undef,
		2794	tooltip => "Shows your experience per skill and item power",
		2795	},
		2796	"c/shopitems" => {
		2797	id => "infobox",
		2798	title => "Shop Items",
		2799	reply => undef,
		2800	tooltip => "Shows the items currently for sale in this shop",
		2801	},
		2802	"c/resistances" => {
		2803	id => "infobox",
		2804	title => "Resistances",
		2805	reply => undef,
		2806	tooltip => "Shows your resistances",
		2807	},
		2808	"c/pets" => {
		2809	id => "infobox",
		2810	title => "Pets",
		2811	reply => undef,
		2812	tooltip => "Shows information abotu your pets/a specific pet",
		2813	},
		2814	"c/perceiveself" => {
		2815	id => "infobox",
		2816	title => "Perceive Self",
		2817	reply => undef,
		2818	tooltip => "You gained detailed knowledge about yourself",
		2819	},
		2820	"c/uptime" => {
		2821	id => "infobox",
		2822	title => "Uptime",
		2823	reply => undef,
		2824	tooltip => "How long the server has been running since last restart",
		2825	},
		2826	"c/mapinfo" => {
		2827	id => "infobox",
		2828	title => "Map Info",
		2829	reply => undef,
		2830	tooltip => "Information related to the maps",
		2831	},
		2832	"c/party" => {
		2833	id => "party",
		2834	title => "Party",
		2835	reply => "gsay ",
		2836	tooltip => "Messages and chat related to your party",
		2837	},
		2838	"c/death" => {
		2839	id => "death",
		2840	title => "Death",
		2841	reply => undef,
		2842	tooltip => "Reason for and more info about your most recent death",
		2843	},
		2844	"c/say" => $SAY_CHANNEL,
		2845	"c/chat" => $CHAT_CHANNEL,
		2846	);
		2847
		2848	sub cf::client::send_msg {
		2849	my ($self, $channel, $msg, $color, @extra) = @_;
		2850
		2851	$msg = $self->pl->expand_cfpod ($msg)
		2852	unless $color & cf::NDI_VERBATIM;
		2853
		2854	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2855
		2856	# check predefined channels, for the benefit of C
		2857	if ($CHANNEL{$channel}) {
		2858	$channel = $CHANNEL{$channel};
		2859
		2860	$self->ext_msg (channel_info => $channel);
		2861	$channel = $channel->{id};
		2862
		2863	} elsif (ref $channel) {
		2864	# send meta info to client, if not yet sent
		2865	unless (exists $self->{channel}{$channel->{id}}) {
		2866	$self->{channel}{$channel->{id}} = $channel;
		2867	$self->ext_msg (channel_info => $channel);
		2868	}
		2869
		2870	$channel = $channel->{id};
		2871	}
		2872
		2873	return unless @extra || length $msg;
		2874
		2875	# default colour, mask it out
		2876	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2877	if $color & cf::NDI_DEF;
		2878
		2879	my $pkt = "msg "
		2880	. $self->{json_coder}->encode (
		2881	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2882	);
		2883
		2884	# try lzf for large packets
		2885	$pkt = "lzf " . Compress::LZF::compress $pkt
		2886	if 1024 <= length $pkt and $self->{can_lzf};
		2887
		2888	# split very large packets
		2889	if (8192 < length $pkt and $self->{can_lzf}) {
		2890	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2891	$pkt = "frag";
		2892	}
		2893
		2894	$self->send_packet ($pkt);
		2895	}
		2896
		2897	=item $client->ext_msg ($type, @msg)
		2898
		2899	Sends an ext event to the client.
		2900
		2901	=cut
		2902
		2903	sub cf::client::ext_msg($$@) {
		2904	my ($self, $type, @msg) = @_;
		2905
		2906	if ($self->extcmd == 2) {
		2907	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2908	} elsif ($self->extcmd == 1) { # TODO: remove
		2909	push @msg, msgtype => "event_$type";
		2910	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2911	}
		2912	}
		2913
		2914	=item $client->ext_reply ($msgid, @msg)
		2915
		2916	Sends an ext reply to the client.
		2917
		2918	=cut
		2919
		2920	sub cf::client::ext_reply($$@) {
		2921	my ($self, $id, @msg) = @_;
		2922
		2923	if ($self->extcmd == 2) {
		2924	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2925	} elsif ($self->extcmd == 1) {
		2926	#TODO: version 1, remove
		2927	unshift @msg, msgtype => "reply", msgid => $id;
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2929	}
		2930	}
1928		2931
1929	=item $success = $client->query ($flags, "text", \&cb)	2932	=item $success = $client->query ($flags, "text", \&cb)
1930		2933
1931	Queues a query to the client, calling the given callback with	2934	Queues a query to the client, calling the given callback with
1932	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2935	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1933	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2936	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1934		2937
1935	Queries can fail, so check the return code. Or don't, as queries will become	2938	Queries can fail, so check the return code. Or don't, as queries will
1936	reliable at some point in the future.	2939	become reliable at some point in the future.
1937		2940
1938	=cut	2941	=cut
1939		2942
1940	sub cf::client::query {	2943	sub cf::client::query {
1941	my ($self, $flags, $text, $cb) = @_;	2944	my ($self, $flags, $text, $cb) = @_;
…		…
1949	utf8::encode $text;	2952	utf8::encode $text;
1950	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2953	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1951		2954
1952	$self->send_packet ($self->{query_queue}[0][0])	2955	$self->send_packet ($self->{query_queue}[0][0])
1953	if @{ $self->{query_queue} } == 1;	2956	if @{ $self->{query_queue} } == 1;
		2957
		2958	1
1954	}	2959	}
1955		2960
1956	cf::client->attach (	2961	cf::client->attach (
		2962	on_connect => sub {
		2963	my ($ns) = @_;
		2964
		2965	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2966	},
1957	on_reply => sub {	2967	on_reply => sub {
1958	my ($ns, $msg) = @_;	2968	my ($ns, $msg) = @_;
1959		2969
1960	# this weird shuffling is so that direct followup queries	2970	# this weird shuffling is so that direct followup queries
1961	# get handled first	2971	# get handled first
1962	my $queue = delete $ns->{query_queue}	2972	my $queue = delete $ns->{query_queue}
1963	or return; # be conservative, not sure how that can happen, but we saw a crash here	2973	or return; # be conservative, not sure how that can happen, but we saw a crash here
1964		2974
1965	(shift @$queue)->[1]->($msg);	2975	(shift @$queue)->[1]->($msg);
		2976	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1966		2977
1967	push @{ $ns->{query_queue} }, @$queue;	2978	push @{ $ns->{query_queue} }, @$queue;
1968		2979
1969	if (@{ $ns->{query_queue} } == @$queue) {	2980	if (@{ $ns->{query_queue} } == @$queue) {
1970	if (@$queue) {	2981	if (@$queue) {
…		…
1972	} else {	2983	} else {
1973	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2984	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1974	}	2985	}
1975	}	2986	}
1976	},	2987	},
		2988	on_exticmd => sub {
		2989	my ($ns, $buf) = @_;
		2990
		2991	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2992
		2993	if (ref $msg) {
		2994	my ($type, $reply, @payload) =
		2995	"ARRAY" eq ref $msg
		2996	? @$msg
		2997	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2998
		2999	my @reply;
		3000
		3001	if (my $cb = $EXTICMD{$type}) {
		3002	@reply = $cb->($ns, @payload);
		3003	}
		3004
		3005	$ns->ext_reply ($reply, @reply)
		3006	if $reply;
		3007
		3008	} else {
		3009	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3010	}
		3011
		3012	cf::override;
		3013	},
1977	);	3014	);
1978		3015
1979	=item $client->async (\&cb)	3016	=item $client->async (\&cb)
1980		3017
1981	Create a new coroutine, running the specified callback. The coroutine will	3018	Create a new coroutine, running the specified callback. The coroutine will
…		…
2022	our $safe = new Safe "safe";	3059	our $safe = new Safe "safe";
2023	our $safe_hole = new Safe::Hole;	3060	our $safe_hole = new Safe::Hole;
2024		3061
2025	$SIG{FPE} = 'IGNORE';	3062	$SIG{FPE} = 'IGNORE';
2026		3063
2027	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3064	$safe->permit_only (Opcode::opset qw(
		3065	:base_core :base_mem :base_orig :base_math
		3066	grepstart grepwhile mapstart mapwhile
		3067	sort time
		3068	));
2028		3069
2029	# here we export the classes and methods available to script code	3070	# here we export the classes and methods available to script code
2030		3071
2031	=pod	3072	=pod
2032		3073
2033	The following fucntions and emthods are available within a safe environment:	3074	The following functions and methods are available within a safe environment:
2034		3075
2035	cf::object contr pay_amount pay_player map	3076	cf::object
		3077	contr pay_amount pay_player map x y force_find force_add destroy
		3078	insert remove name archname title slaying race decrease split
		3079	value
		3080
2036	cf::object::player player	3081	cf::object::player
2037	cf::player peaceful	3082	player
2038	cf::map trigger	3083
		3084	cf::player
		3085	peaceful
		3086
		3087	cf::map
		3088	trigger
2039		3089
2040	=cut	3090	=cut
2041		3091
2042	for (	3092	for (
2043	["cf::object" => qw(contr pay_amount pay_player map)],	3093	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3094	insert remove inv nrof name archname title slaying race
		3095	decrease split destroy change_exp value msg lore send_msg)],
2044	["cf::object::player" => qw(player)],	3096	["cf::object::player" => qw(player)],
2045	["cf::player" => qw(peaceful)],	3097	["cf::player" => qw(peaceful send_msg)],
2046	["cf::map" => qw(trigger)],	3098	["cf::map" => qw(trigger)],
2047	) {	3099	) {
2048	no strict 'refs';	3100	no strict 'refs';
2049	my ($pkg, @funs) = @$_;	3101	my ($pkg, @funs) = @$_;
2050	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3102	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2067	my ($code, %vars) = @_;	3119	my ($code, %vars) = @_;
2068		3120
2069	my $qcode = $code;	3121	my $qcode = $code;
2070	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3122	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2071	$qcode =~ s/\n/\\n/g;	3123	$qcode =~ s/\n/\\n/g;
		3124
		3125	%vars = (_dummy => 0) unless %vars;
2072		3126
2073	local $_;	3127	local $_;
2074	local @safe::cf::_safe_eval_args = values %vars;	3128	local @safe::cf::_safe_eval_args = values %vars;
2075		3129
2076	my $eval =	3130	my $eval =
…		…
2119	=back	3173	=back
2120		3174
2121	=cut	3175	=cut
2122		3176
2123	#############################################################################	3177	#############################################################################
		3178	# the server's init and main functions
2124		3179
2125	=head2 EXTENSION DATABASE SUPPORT	3180	sub load_facedata($) {
		3181	my ($path) = @_;
2126		3182
2127	Crossfire maintains a very simple database for extension use. It can	3183	# HACK to clear player env face cache, we need some signal framework
2128	currently store anything that can be serialised using Storable, which	3184	# for this (global event?)
2129	excludes objects.	3185	%ext::player_env::MUSIC_FACE_CACHE = ();
2130		3186
2131	The parameter C<$family> should best start with the name of the extension	3187	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2132	using it, it should be unique.
2133		3188
2134	=over 4	3189	warn "loading facedata from $path\n";
2135		3190
2136	=item $hashref = cf::db_get $family	3191	my $facedata;
		3192	0 < aio_load $path, $facedata
		3193	or die "$path: $!";
2137		3194
2138	Return a hashref for use by the extension C<$family>, which can be	3195	$facedata = Coro::Storable::thaw $facedata;
2139	modified. After modifications, you have to call C<cf::db_dirty> or
2140	C<cf::db_sync>.
2141		3196
2142	=item $value = cf::db_get $family => $key	3197	$facedata->{version} == 2
		3198	or cf::cleanup "$path: version mismatch, cannot proceed.";
2143		3199
2144	Returns a single value from the database	3200	# patch in the exptable
2145		3201	$facedata->{resource}{"res/exp_table"} = {
2146	=item cf::db_put $family => $hashref	3202	type => FT_RSRC,
2147		3203	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2148	Stores the given family hashref into the database. Updates are delayed, if
2149	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2150
2151	=item cf::db_put $family => $key => $value
2152
2153	Stores the given C<$value> in the family hash. Updates are delayed, if you
2154	want the data to be synced to disk immediately, use C<cf::db_sync>.
2155
2156	=item cf::db_dirty
2157
2158	Marks the database as dirty, to be updated at a later time.
2159
2160	=item cf::db_sync
2161
2162	Immediately write the database to disk I<if it is dirty>.
2163
2164	=cut
2165
2166	our $DB;
2167
2168	{
2169	my $path = cf::localdir . "/database.pst";
2170
2171	sub db_load() {
2172	$DB = stat $path ? Storable::retrieve $path : { };
2173	}
2174
2175	my $pid;
2176
2177	sub db_save() {
2178	waitpid $pid, 0 if $pid;
2179	if (0 == ($pid = fork)) {
2180	$DB->{_meta}{version} = 1;
2181	Storable::nstore $DB, "$path~";
2182	rename "$path~", $path;
2183	cf::_exit 0 if defined $pid;
2184	}
2185	}
2186
2187	my $dirty;
2188
2189	sub db_sync() {
2190	db_save if $dirty;
2191	undef $dirty;
2192	}
2193
2194	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2195	db_sync;
2196	});	3204	};
		3205	cf::cede_to_tick;
2197		3206
2198	sub db_dirty() {
2199	$dirty = 1;
2200	$idle->start;
2201	}	3207	{
		3208	my $faces = $facedata->{faceinfo};
2202		3209
2203	sub db_get($;$) {	3210	while (my ($face, $info) = each %$faces) {
2204	@_ >= 2	3211	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2205	? $DB->{$_[0]}{$_[1]}
2206	: ($DB->{$_[0]} ||= { })
2207	}
2208		3212
2209	sub db_put($$;$) {	3213	cf::face::set_visibility $idx, $info->{visibility};
2210	if (@_ >= 3) {	3214	cf::face::set_magicmap $idx, $info->{magicmap};
2211	$DB->{$_[0]}{$_[1]} = $_[2];	3215	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2212	} else {	3216	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2213	$DB->{$_[0]} = $_[1];
2214	}
2215	db_dirty;
2216	}
2217		3217
2218	cf::global->attach (	3218	cf::cede_to_tick;
2219	prio => 10000,
2220	on_cleanup => sub {
2221	db_sync;
2222	},	3219	}
2223	);
2224	}
2225		3220
2226	#############################################################################	3221	while (my ($face, $info) = each %$faces) {
2227	# the server's main()	3222	next unless $info->{smooth};
2228		3223
2229	sub cfg_load {	3224	my $idx = cf::face::find $face
		3225	or next;
		3226
		3227	if (my $smooth = cf::face::find $info->{smooth}) {
		3228	cf::face::set_smooth $idx, $smooth;
		3229	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3230	} else {
		3231	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3232	}
		3233
		3234	cf::cede_to_tick;
		3235	}
		3236	}
		3237
		3238	{
		3239	my $anims = $facedata->{animinfo};
		3240
		3241	while (my ($anim, $info) = each %$anims) {
		3242	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3243	cf::cede_to_tick;
		3244	}
		3245
		3246	cf::anim::invalidate_all; # d'oh
		3247	}
		3248
		3249	{
		3250	# TODO: for gcfclient pleasure, we should give resources
		3251	# that gcfclient doesn't grok a >10000 face index.
		3252	my $res = $facedata->{resource};
		3253
		3254	while (my ($name, $info) = each %$res) {
		3255	if (defined $info->{type}) {
		3256	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3257	my $data;
		3258
		3259	if ($info->{type} & 1) {
		3260	# prepend meta info
		3261
		3262	my $meta = $enc->encode ({
		3263	name => $name,
		3264	%{ $info->{meta} || {} },
		3265	});
		3266
		3267	$data = pack "(w/a*)*", $meta, $info->{data};
		3268	} else {
		3269	$data = $info->{data};
		3270	}
		3271
		3272	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3273	cf::face::set_type $idx, $info->{type};
		3274	} else {
		3275	$RESOURCE{$name} = $info;
		3276	}
		3277
		3278	cf::cede_to_tick;
		3279	}
		3280	}
		3281
		3282	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3283
		3284	1
		3285	}
		3286
		3287	cf::global->attach (on_resource_update => sub {
		3288	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3289	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3290
		3291	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3292	my $sound = $soundconf->{compat}[$_]
		3293	or next;
		3294
		3295	my $face = cf::face::find "sound/$sound->[1]";
		3296	cf::sound::set $sound->[0] => $face;
		3297	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3298	}
		3299
		3300	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3301	my $face = cf::face::find "sound/$v";
		3302	cf::sound::set $k => $face;
		3303	}
		3304	}
		3305	});
		3306
		3307	register_exticmd fx_want => sub {
		3308	my ($ns, $want) = @_;
		3309
		3310	while (my ($k, $v) = each %$want) {
		3311	$ns->fx_want ($k, $v);
		3312	}
		3313	};
		3314
		3315	sub load_resource_file($) {
		3316	my $guard = lock_acquire "load_resource_file";
		3317
		3318	my $status = load_resource_file_ $_[0];
		3319	get_slot 0.1, 100;
		3320	cf::arch::commit_load;
		3321
		3322	$status
		3323	}
		3324
		3325	sub reload_regions {
		3326	# HACK to clear player env face cache, we need some signal framework
		3327	# for this (global event?)
		3328	%ext::player_env::MUSIC_FACE_CACHE = ();
		3329
		3330	load_resource_file "$MAPDIR/regions"
		3331	or die "unable to load regions file\n";
		3332
		3333	for (cf::region::list) {
		3334	$_->{match} = qr/$_->{match}/
		3335	if exists $_->{match};
		3336	}
		3337	}
		3338
		3339	sub reload_facedata {
		3340	load_facedata "$DATADIR/facedata"
		3341	or die "unable to load facedata\n";
		3342	}
		3343
		3344	sub reload_archetypes {
		3345	load_resource_file "$DATADIR/archetypes"
		3346	or die "unable to load archetypes\n";
		3347	}
		3348
		3349	sub reload_treasures {
		3350	load_resource_file "$DATADIR/treasures"
		3351	or die "unable to load treasurelists\n";
		3352	}
		3353
		3354	sub reload_resources {
		3355	warn "reloading resource files...\n";
		3356
		3357	reload_facedata;
		3358	reload_archetypes;
		3359	reload_regions;
		3360	reload_treasures;
		3361
		3362	warn "finished reloading resource files\n";
		3363	}
		3364
		3365	sub reload_config {
2230	open my $fh, "<:utf8", cf::confdir . "/config"	3366	open my $fh, "<:utf8", "$CONFDIR/config"
2231	or return;	3367	or return;
2232		3368
2233	local $/;	3369	local $/;
2234	*CFG = YAML::Syck::Load <$fh>;	3370	*CFG = YAML::Load <$fh>;
2235		3371
2236	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3372	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2237		3373
2238	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3374	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2239	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3375	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2245	};	3381	};
2246	warn $@ if $@;	3382	warn $@ if $@;
2247	}	3383	}
2248	}	3384	}
2249		3385
		3386	sub pidfile() {
		3387	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3388	or die "$PIDFILE: $!";
		3389	flock $fh, &Fcntl::LOCK_EX
		3390	or die "$PIDFILE: flock: $!";
		3391	$fh
		3392	}
		3393
		3394	# make sure only one server instance is running at any one time
		3395	sub atomic {
		3396	my $fh = pidfile;
		3397
		3398	my $pid = <$fh>;
		3399	kill 9, $pid if $pid > 0;
		3400
		3401	seek $fh, 0, 0;
		3402	print $fh $$;
		3403	}
		3404
2250	sub main {	3405	sub main {
		3406	cf::init_globals; # initialise logging
		3407
		3408	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3409	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3410	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3411	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3412
		3413	cf::init_experience;
		3414	cf::init_anim;
		3415	cf::init_attackmess;
		3416	cf::init_dynamic;
		3417
		3418	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3419
2251	# we must not ever block the main coroutine	3420	# we must not ever block the main coroutine
2252	local $Coro::idle = sub {	3421	local $Coro::idle = sub {
2253	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3422	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2254	async { Event::one_event };	3423	(async {
		3424	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3425	EV::loop EV::LOOP_ONESHOT;
		3426	})->prio (Coro::PRIO_MAX);
2255	};	3427	};
2256		3428
2257	cfg_load;	3429	evthread_start IO::AIO::poll_fileno;
2258	db_load;	3430
		3431	cf::sync_job {
		3432	reload_resources;
		3433	reload_config;
		3434	db_init;
		3435
		3436	cf::load_settings;
		3437	cf::load_materials;
		3438	cf::init_uuid;
		3439	cf::init_signals;
		3440	cf::init_commands;
		3441	cf::init_skills;
		3442
		3443	cf::init_beforeplay;
		3444
		3445	atomic;
		3446
2259	load_extensions;	3447	load_extensions;
		3448
		3449	utime time, time, $RUNTIMEFILE;
		3450
		3451	# no (long-running) fork's whatsoever before this point(!)
		3452	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3453
		3454	(pop @POST_INIT)->(0) while @POST_INIT;
		3455	};
		3456
2260	Event::loop;	3457	EV::loop;
2261	}	3458	}
2262		3459
2263	#############################################################################	3460	#############################################################################
2264	# initialisation and cleanup	3461	# initialisation and cleanup
2265		3462
2266	# install some emergency cleanup handlers	3463	# install some emergency cleanup handlers
2267	BEGIN {	3464	BEGIN {
		3465	our %SIGWATCHER = ();
2268	for my $signal (qw(INT HUP TERM)) {	3466	for my $signal (qw(INT HUP TERM)) {
2269	Event->signal (	3467	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2270	data => WF_AUTOCANCEL,
2271	signal => $signal,
2272	cb => sub {
2273	cf::cleanup "SIG$signal";	3468	cf::cleanup "SIG$signal";
2274	},
2275	);	3469	};
		3470	}
		3471	}
		3472
		3473	sub write_runtime_sync {
		3474	# first touch the runtime file to show we are still running:
		3475	# the fsync below can take a very very long time.
		3476
		3477	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3478
		3479	my $guard = cf::lock_acquire "write_runtime";
		3480
		3481	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3482	or return;
		3483
		3484	my $value = $cf::RUNTIME + 90 + 10;
		3485	# 10 is the runtime save interval, for a monotonic clock
		3486	# 60 allows for the watchdog to kill the server.
		3487
		3488	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3489	and return;
		3490
		3491	# always fsync - this file is important
		3492	aio_fsync $fh
		3493	and return;
		3494
		3495	# touch it again to show we are up-to-date
		3496	aio_utime $fh, undef, undef;
		3497
		3498	close $fh
		3499	or return;
		3500
		3501	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3502	and return;
		3503
		3504	warn "runtime file written.\n";
		3505
2276	}	3506	1
		3507	}
		3508
		3509	our $uuid_lock;
		3510	our $uuid_skip;
		3511
		3512	sub write_uuid_sync($) {
		3513	$uuid_skip ||= $_[0];
		3514
		3515	return if $uuid_lock;
		3516	local $uuid_lock = 1;
		3517
		3518	my $uuid = "$LOCALDIR/uuid";
		3519
		3520	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3521	or return;
		3522
		3523	my $value = uuid_seq uuid_cur;
		3524
		3525	unless ($value) {
		3526	warn "cowardly refusing to write zero uuid value!\n";
		3527	return;
		3528	}
		3529
		3530	my $value = uuid_str $value + $uuid_skip;
		3531	$uuid_skip = 0;
		3532
		3533	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3534	and return;
		3535
		3536	# always fsync - this file is important
		3537	aio_fsync $fh
		3538	and return;
		3539
		3540	close $fh
		3541	or return;
		3542
		3543	aio_rename "$uuid~", $uuid
		3544	and return;
		3545
		3546	warn "uuid file written ($value).\n";
		3547
		3548	1
		3549
		3550	}
		3551
		3552	sub write_uuid($$) {
		3553	my ($skip, $sync) = @_;
		3554
		3555	$sync ? write_uuid_sync $skip
		3556	: async { write_uuid_sync $skip };
2277	}	3557	}
2278		3558
2279	sub emergency_save() {	3559	sub emergency_save() {
2280	my $freeze_guard = cf::freeze_mainloop;	3560	my $freeze_guard = cf::freeze_mainloop;
2281		3561
2282	warn "enter emergency perl save\n";	3562	warn "emergency_perl_save: enter\n";
2283		3563
2284	cf::sync_job {	3564	cf::sync_job {
		3565	# this is a trade-off: we want to be very quick here, so
		3566	# save all maps without fsync, and later call a global sync
		3567	# (which in turn might be very very slow)
		3568	local $USE_FSYNC = 0;
		3569
2285	# use a peculiar iteration method to avoid tripping on perl	3570	# use a peculiar iteration method to avoid tripping on perl
2286	# refcount bugs in for. also avoids problems with players	3571	# refcount bugs in for. also avoids problems with players
2287	# and maps saved/Destroyed asynchronously.	3572	# and maps saved/destroyed asynchronously.
2288	warn "begin emergency player save\n";	3573	warn "emergency_perl_save: begin player save\n";
2289	for my $login (keys %cf::PLAYER) {	3574	for my $login (keys %cf::PLAYER) {
2290	my $pl = $cf::PLAYER{$login} or next;	3575	my $pl = $cf::PLAYER{$login} or next;
2291	$pl->valid or next;	3576	$pl->valid or next;
		3577	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2292	$pl->save;	3578	$pl->save;
2293	}	3579	}
2294	warn "end emergency player save\n";	3580	warn "emergency_perl_save: end player save\n";
2295		3581
2296	warn "begin emergency map save\n";	3582	warn "emergency_perl_save: begin map save\n";
2297	for my $path (keys %cf::MAP) {	3583	for my $path (keys %cf::MAP) {
2298	my $map = $cf::MAP{$path} or next;	3584	my $map = $cf::MAP{$path} or next;
2299	$map->valid or next;	3585	$map->valid or next;
2300	$map->save;	3586	$map->save;
2301	}	3587	}
2302	warn "end emergency map save\n";	3588	warn "emergency_perl_save: end map save\n";
		3589
		3590	warn "emergency_perl_save: begin database checkpoint\n";
		3591	BDB::db_env_txn_checkpoint $DB_ENV;
		3592	warn "emergency_perl_save: end database checkpoint\n";
		3593
		3594	warn "emergency_perl_save: begin write uuid\n";
		3595	write_uuid_sync 1;
		3596	warn "emergency_perl_save: end write uuid\n";
2303	};	3597	};
2304		3598
		3599	warn "emergency_perl_save: starting sync()\n";
		3600	IO::AIO::aio_sync sub {
		3601	warn "emergency_perl_save: finished sync()\n";
		3602	};
		3603
2305	warn "leave emergency perl save\n";	3604	warn "emergency_perl_save: leave\n";
2306	}	3605	}
2307		3606
		3607	sub post_cleanup {
		3608	my ($make_core) = @_;
		3609
		3610	warn Carp::longmess "post_cleanup backtrace"
		3611	if $make_core;
		3612
		3613	my $fh = pidfile;
		3614	unlink $PIDFILE if <$fh> == $$;
		3615	}
		3616
		3617	# a safer delete_package, copied from Symbol
		3618	sub clear_package($) {
		3619	my $pkg = shift;
		3620
		3621	# expand to full symbol table name if needed
		3622	unless ($pkg =~ /^main::.*::$/) {
		3623	$pkg = "main$pkg" if $pkg =~ /^::/;
		3624	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3625	$pkg .= '::' unless $pkg =~ /::$/;
		3626	}
		3627
		3628	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3629	my $stem_symtab = *{$stem}{HASH};
		3630
		3631	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3632	or return;
		3633
		3634	# clear all symbols
		3635	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3636	for my $name (keys %$leaf_symtab) {
		3637	_gv_clear *{"$pkg$name"};
		3638	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3639	}
		3640	warn "cleared package $pkg\n";#d#
		3641	}
		3642
2308	sub reload() {	3643	sub do_reload_perl() {
2309	# can/must only be called in main	3644	# can/must only be called in main
2310	if ($Coro::current != $Coro::main) {	3645	if ($Coro::current != $Coro::main) {
2311	warn "can only reload from main coroutine\n";	3646	warn "can only reload from main coroutine";
2312	return;	3647	return;
2313	}	3648	}
2314		3649
		3650	return if $RELOAD++;
		3651
		3652	my $t1 = EV::time;
		3653
		3654	while ($RELOAD) {
2315	warn "reloading...";	3655	warn "reloading...";
2316		3656
2317	warn "freezing server";	3657	warn "entering sync_job";
2318	my $guard = freeze_mainloop;	3658
		3659	cf::sync_job {
		3660	cf::write_runtime_sync; # external watchdog should not bark
2319	cf::emergency_save;	3661	cf::emergency_save;
		3662	cf::write_runtime_sync; # external watchdog should not bark
2320		3663
2321	warn "sync database to disk";	3664	warn "syncing database to disk";
2322	cf::db_sync;	3665	BDB::db_env_txn_checkpoint $DB_ENV;
2323	IO::AIO::flush;
2324		3666
2325	eval {
2326	# if anything goes wrong in here, we should simply crash as we already saved	3667	# if anything goes wrong in here, we should simply crash as we already saved
2327		3668
2328	warn "cancel all watchers";	3669	warn "flushing outstanding aio requests";
2329	for (Event::all_watchers) {	3670	while (IO::AIO::nreqs || BDB::nreqs) {
2330	$_->cancel if $_->data & WF_AUTOCANCEL;	3671	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2331	}
2332
2333	warn "cancel all extension coros";
2334	$_->cancel for values %EXT_CORO;
2335	%EXT_CORO = ();
2336
2337	warn "remove commands";
2338	%COMMAND = ();
2339
2340	warn "remove ext commands";
2341	%EXTCMD = ();
2342
2343	warn "unload/nuke all extensions";
2344	for my $pkg (@EXTS) {
2345	warn "... unloading $pkg";
2346
2347	if (my $cb = $pkg->can ("unload")) {
2348	eval {
2349	$cb->($pkg);
2350	1
2351	} or warn "$pkg unloaded, but with errors: $@";
2352	}	3672	}
2353		3673
		3674	warn "cancelling all extension coros";
		3675	$_->cancel for values %EXT_CORO;
		3676	%EXT_CORO = ();
		3677
		3678	warn "removing commands";
		3679	%COMMAND = ();
		3680
		3681	warn "removing ext/exti commands";
		3682	%EXTCMD = ();
		3683	%EXTICMD = ();
		3684
		3685	warn "unloading/nuking all extensions";
		3686	for my $pkg (@EXTS) {
2354	warn "... nuking $pkg";	3687	warn "... unloading $pkg";
2355	Symbol::delete_package $pkg;
2356	}
2357		3688
2358	warn "unload all perl modules loaded from $LIBDIR";
2359	while (my ($k, $v) = each %INC) {
2360	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2361
2362	warn "removing <$k>";
2363	delete $INC{$k};
2364
2365	$k =~ s/\.pm$//;
2366	$k =~ s/\//::/g;
2367
2368	if (my $cb = $k->can ("unload_module")) {	3689	if (my $cb = $pkg->can ("unload")) {
		3690	eval {
2369	$cb->();	3691	$cb->($pkg);
		3692	1
		3693	} or warn "$pkg unloaded, but with errors: $@";
		3694	}
		3695
		3696	warn "... clearing $pkg";
		3697	clear_package $pkg;
2370	}	3698	}
2371		3699
2372	Symbol::delete_package $k;	3700	warn "unloading all perl modules loaded from $LIBDIR";
		3701	while (my ($k, $v) = each %INC) {
		3702	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3703
		3704	warn "... unloading $k";
		3705	delete $INC{$k};
		3706
		3707	$k =~ s/\.pm$//;
		3708	$k =~ s/\//::/g;
		3709
		3710	if (my $cb = $k->can ("unload_module")) {
		3711	$cb->();
		3712	}
		3713
		3714	clear_package $k;
2373	}	3715	}
2374		3716
2375	warn "get rid of safe::, as good as possible";	3717	warn "getting rid of safe::, as good as possible";
2376	Symbol::delete_package "safe::$_"	3718	clear_package "safe::$_"
2377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3719	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2378		3720
2379	warn "unload cf.pm \"a bit\"";	3721	warn "unloading cf.pm \"a bit\"";
2380	delete $INC{"cf.pm"};	3722	delete $INC{"cf.pm"};
		3723	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2381		3724
2382	# don't, removes xs symbols, too,	3725	# don't, removes xs symbols, too,
2383	# and global variables created in xs	3726	# and global variables created in xs
2384	#Symbol::delete_package __PACKAGE__;	3727	#clear_package __PACKAGE__;
2385		3728
		3729	warn "unload completed, starting to reload now";
		3730
2386	warn "reloading cf.pm";	3731	warn "reloading cf.pm";
2387	require cf;	3732	require cf;
2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3733	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2389		3734
2390	warn "load config and database again";	3735	warn "loading config and database again";
2391	cf::cfg_load;	3736	cf::reload_config;
2392	cf::db_load;
2393		3737
2394	warn "load extensions";	3738	warn "loading extensions";
2395	cf::load_extensions;	3739	cf::load_extensions;
2396		3740
		3741	if ($REATTACH_ON_RELOAD) {
2397	warn "reattach attachments to objects/players";	3742	warn "reattaching attachments to objects/players";
2398	_global_reattach;	3743	_global_reattach; # objects, sockets
2399	warn "reattach attachments to maps";	3744	warn "reattaching attachments to maps";
2400	reattach $_ for values %MAP;	3745	reattach $_ for values %MAP;
		3746	warn "reattaching attachments to players";
		3747	reattach $_ for values %PLAYER;
		3748	}
		3749
		3750	warn "running post_init jobs";
		3751	(pop @POST_INIT)->(1) while @POST_INIT;
		3752
		3753	warn "leaving sync_job";
		3754
		3755	1
		3756	} or do {
		3757	warn $@;
		3758	cf::cleanup "error while reloading, exiting.";
		3759	};
		3760
		3761	warn "reloaded";
		3762	--$RELOAD;
		3763	}
		3764
		3765	$t1 = EV::time - $t1;
		3766	warn "reload completed in ${t1}s\n";
		3767	};
		3768
		3769	our $RELOAD_WATCHER; # used only during reload
		3770
		3771	sub reload_perl() {
		3772	# doing reload synchronously and two reloads happen back-to-back,
		3773	# coro crashes during coro_state_free->destroy here.
		3774
		3775	$RELOAD_WATCHER ||= cf::async {
		3776	Coro::AIO::aio_wait cache_extensions;
		3777
		3778	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3779	do_reload_perl;
		3780	undef $RELOAD_WATCHER;
		3781	};
2401	};	3782	};
2402
2403	if ($@) {
2404	warn $@;
2405	warn "error while reloading, exiting.";
2406	exit 1;
2407	}
2408
2409	warn "reloaded";
2410	};
2411
2412	#############################################################################
2413
2414	unless ($LINK_MAP) {
2415	$LINK_MAP = cf::map::new;
2416
2417	$LINK_MAP->width (41);
2418	$LINK_MAP->height (41);
2419	$LINK_MAP->alloc;
2420	$LINK_MAP->path ("{link}");
2421	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2422	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2423
2424	# dirty hack because... archetypes are not yet loaded
2425	Event->timer (
2426	after => 10,
2427	cb => sub {
2428	$_[0]->w->cancel;
2429
2430	# provide some exits "home"
2431	my $exit = cf::object::new "exit";
2432
2433	$exit->slaying ($EMERGENCY_POSITION->[0]);
2434	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2435	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2436
2437	$LINK_MAP->insert ($exit->clone, 19, 19);
2438	$LINK_MAP->insert ($exit->clone, 19, 20);
2439	$LINK_MAP->insert ($exit->clone, 19, 21);
2440	$LINK_MAP->insert ($exit->clone, 20, 19);
2441	$LINK_MAP->insert ($exit->clone, 20, 21);
2442	$LINK_MAP->insert ($exit->clone, 21, 19);
2443	$LINK_MAP->insert ($exit->clone, 21, 20);
2444	$LINK_MAP->insert ($exit->clone, 21, 21);
2445
2446	$exit->destroy;
2447	});
2448
2449	$LINK_MAP->{deny_save} = 1;
2450	$LINK_MAP->{deny_reset} = 1;
2451
2452	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2453	}	3783	}
2454		3784
2455	register_command "reload" => sub {	3785	register_command "reload" => sub {
2456	my ($who, $arg) = @_;	3786	my ($who, $arg) = @_;
2457		3787
2458	if ($who->flag (FLAG_WIZ)) {	3788	if ($who->flag (FLAG_WIZ)) {
2459	$who->message ("start of reload.");
2460	reload;
2461	$who->message ("end of reload.");	3789	$who->message ("reloading server.");
		3790	async {
		3791	$Coro::current->{desc} = "perl_reload";
		3792	reload_perl;
		3793	};
2462	}	3794	}
2463	};	3795	};
2464		3796
2465	unshift @INC, $LIBDIR;	3797	unshift @INC, $LIBDIR;
2466		3798
2467	$TICK_WATCHER = Event->timer (	3799	my $bug_warning = 0;
2468	reentrant => 0,	3800
2469	prio => 0,	3801	our @WAIT_FOR_TICK;
2470	at => $NEXT_TICK || $TICK,	3802	our @WAIT_FOR_TICK_BEGIN;
2471	data => WF_AUTOCANCEL,	3803
2472	cb => sub {	3804	sub wait_for_tick {
		3805	return if tick_inhibit || $Coro::current == $Coro::main;
		3806
		3807	my $signal = new Coro::Signal;
		3808	push @WAIT_FOR_TICK, $signal;
		3809	$signal->wait;
		3810	}
		3811
		3812	sub wait_for_tick_begin {
		3813	return if tick_inhibit || $Coro::current == $Coro::main;
		3814
		3815	my $signal = new Coro::Signal;
		3816	push @WAIT_FOR_TICK_BEGIN, $signal;
		3817	$signal->wait;
		3818	}
		3819
		3820	sub tick {
		3821	if ($Coro::current != $Coro::main) {
		3822	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3823	unless ++$bug_warning > 10;
		3824	return;
		3825	}
		3826
2473	cf::server_tick; # one server iteration	3827	cf::server_tick; # one server iteration
2474	$RUNTIME += $TICK;
2475	$NEXT_TICK += $TICK;
2476		3828
2477	$WAIT_FOR_TICK->broadcast;	3829	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2478	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3830	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2479		3831	Coro::async_pool {
2480	# if we are delayed by four ticks or more, skip them all	3832	$Coro::current->{desc} = "runtime saver";
2481	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2482
2483	$TICK_WATCHER->at ($NEXT_TICK);
2484	$TICK_WATCHER->start;
2485	},
2486	);
2487
2488	IO::AIO::max_poll_time $TICK * 0.2;
2489
2490	Event->io (
2491	fd => IO::AIO::poll_fileno,
2492	poll => 'r',
2493	prio => 5,
2494	data => WF_AUTOCANCEL,
2495	cb => \&IO::AIO::poll_cb,
2496	);
2497
2498	Event->timer (
2499	data => WF_AUTOCANCEL,
2500	after => 0,
2501	interval => 10,
2502	cb => sub {
2503	(Coro::unblock_sub {
2504	write_runtime	3833	write_runtime_sync
2505	or warn "ERROR: unable to write runtime file: $!";	3834	or warn "ERROR: unable to write runtime file: $!";
2506	})->();	3835	};
2507	},	3836	}
2508	);	3837
		3838	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3839	$sig->send;
		3840	}
		3841	while (my $sig = shift @WAIT_FOR_TICK) {
		3842	$sig->send;
		3843	}
		3844
		3845	$LOAD = ($NOW - $TICK_START) / $TICK;
		3846	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3847
		3848	if (0) {
		3849	if ($NEXT_TICK) {
		3850	my $jitter = $TICK_START - $NEXT_TICK;
		3851	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3852	warn "jitter $JITTER\n";#d#
		3853	}
		3854	}
		3855	}
		3856
		3857	{
		3858	# configure BDB
		3859
		3860	BDB::min_parallel 8;
		3861	BDB::max_poll_reqs $TICK * 0.1;
		3862	$AnyEvent::BDB::WATCHER->priority (1);
		3863
		3864	unless ($DB_ENV) {
		3865	$DB_ENV = BDB::db_env_create;
		3866	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3867	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3868	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3869	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3870	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3871
		3872	cf::sync_job {
		3873	eval {
		3874	BDB::db_env_open
		3875	$DB_ENV,
		3876	$BDBDIR,
		3877	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3878	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3879	0666;
		3880
		3881	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3882	};
		3883
		3884	cf::cleanup "db_env_open(db): $@" if $@;
		3885	};
		3886	}
		3887
		3888	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3889	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3890	};
		3891	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3892	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3893	};
		3894	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3895	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3896	};
		3897	}
		3898
		3899	{
		3900	# configure IO::AIO
		3901
		3902	IO::AIO::min_parallel 8;
		3903	IO::AIO::max_poll_time $TICK * 0.1;
		3904	undef $AnyEvent::AIO::WATCHER;
		3905	}
		3906
		3907	my $_log_backtrace;
		3908
		3909	sub _log_backtrace {
		3910	my ($msg, @addr) = @_;
		3911
		3912	$msg =~ s/\n//;
		3913
		3914	# limit the # of concurrent backtraces
		3915	if ($_log_backtrace < 2) {
		3916	++$_log_backtrace;
		3917	my $perl_bt = Carp::longmess $msg;
		3918	async {
		3919	$Coro::current->{desc} = "abt $msg";
		3920
		3921	my @bt = fork_call {
		3922	@addr = map { sprintf "%x", $_ } @addr;
		3923	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3924	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3925	or die "addr2line: $!";
		3926
		3927	my @funcs;
		3928	my @res = <$fh>;
		3929	chomp for @res;
		3930	while (@res) {
		3931	my ($func, $line) = splice @res, 0, 2, ();
		3932	push @funcs, "[$func] $line";
		3933	}
		3934
		3935	@funcs
		3936	};
		3937
		3938	LOG llevInfo, "[ABT] $perl_bt\n";
		3939	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3940	LOG llevInfo, "[ABT] $_\n" for @bt;
		3941	--$_log_backtrace;
		3942	};
		3943	} else {
		3944	LOG llevInfo, "[ABT] $msg\n";
		3945	LOG llevInfo, "[ABT] [suppressed]\n";
		3946	}
		3947	}
		3948
		3949	# load additional modules
		3950	require "cf/$_.pm" for @EXTRA_MODULES;
2509		3951
2510	END { cf::emergency_save }	3952	END { cf::emergency_save }
2511		3953
2512	1	3954	1
2513		3955

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