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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.161 by root, Thu Jan 11 00:16:58 2007 UTC vs.
Revision 1.457 by root, Wed Oct 1 05:50:19 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
13	use Coro 3.3 ();	37	use Coro ();
		38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
14	use Coro::Event;	41	use Coro::AnyEvent;
15	use Coro::Timer;	42	use Coro::Timer;
16	use Coro::Signal;	43	use Coro::Signal;
17	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
18	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
		48	use Coro::Storable;
		49	use Coro::Util ();
19		50
		51	use JSON::XS 2.01 ();
		52	use BDB ();
20	use Data::Dumper;	53	use Data::Dumper;
21	use Digest::MD5;	54	use Digest::MD5;
22	use Fcntl;	55	use Fcntl;
		56	use YAML ();
23	use IO::AIO 2.32 ();	57	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	58	use Time::HiRes;
		59	use Compress::LZF;
		60	use Digest::MD5 ();
26		61
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	62	AnyEvent::detect;
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
		67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
28		74
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		76
36	our %COMMAND = ();	77	our %COMMAND = ();
37	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
38		79
39	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
43		85
		86	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	87	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		88
47	our $TICK = MAX_TIME * 1e-6;	89	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	90	our $DATADIR = datadir;
		91	our $LIBDIR = "$DATADIR/ext";
		92	our $PODDIR = "$DATADIR/pod";
		93	our $MAPDIR = "$DATADIR/" . mapdir;
		94	our $LOCALDIR = localdir;
		95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		98	our $RANDOMDIR = "$LOCALDIR/random";
		99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
		104
		105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	107	our $NEXT_TICK;
50	our $NOW;	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
		112	our $BDB_TRICKLE_WATCHER;
		113	our $DB_ENV;
51		114
52	our %CFG;	115	our %CFG;
53		116
54	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
56		120
57	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map	123	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61		124
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	125	# 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;	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		127
		128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
		131	our $TICK_START; # for load detecting purposes
		132
		133	our @POST_INIT;
		134
		135	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
64		136
65	binmode STDOUT;	137	binmode STDOUT;
66	binmode STDERR;	138	binmode STDERR;
67		139
68	# read virtual server time, if available	140	# read virtual server time, if available
69	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	141	unless ($RUNTIME || !-e $RUNTIMEFILE) {
70	open my $fh, "<", cf::localdir . "/runtime"	142	open my $fh, "<", $RUNTIMEFILE
71	or die "unable to read runtime file: $!";	143	or die "unable to read $RUNTIMEFILE file: $!";
72	$RUNTIME = <$fh> + 0.;	144	$RUNTIME = <$fh> + 0.;
73	}	145	}
74		146
75	mkdir cf::localdir;	147	mkdir $_
76	mkdir cf::localdir . "/" . cf::playerdir;	148	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
77	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;
80		149
81	# a special map that is always available
82	our $LINK_MAP;
83	our $EMERGENCY_POSITION;	150	our $EMERGENCY_POSITION;
		151
		152	sub cf::map::normalise;
84		153
85	#############################################################################	154	#############################################################################
86		155
87	=head2 GLOBAL VARIABLES	156	=head2 GLOBAL VARIABLES
88		157
…		…
95	=item $cf::RUNTIME	164	=item $cf::RUNTIME
96		165
97	The time this server has run, starts at 0 and is increased by $cf::TICK on	166	The time this server has run, starts at 0 and is increased by $cf::TICK on
98	every server tick.	167	every server tick.
99		168
100	=item $cf::LIBDIR	169	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		170	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		171	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
101		172
102	The perl library directory, where extensions and cf-specific modules can	173	Various directories - "/etc", read-only install directory, perl-library
103	be found. It will be added to C<@INC> automatically.	174	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		175	unique-items directory, player file directory, random maps directory and
		176	database environment.
104		177
105	=item $cf::NOW	178	=item $cf::NOW
106		179
107	The time of the last (current) server tick.	180	The time of the last (current) server tick.
108		181
109	=item $cf::TICK	182	=item $cf::TICK
110		183
111	The interval between server ticks, in seconds.	184	The interval between server ticks, in seconds.
112		185
		186	=item $cf::LOADAVG
		187
		188	The current CPU load on the server (alpha-smoothed), as a value between 0
		189	(none) and 1 (overloaded), indicating how much time is spent on processing
		190	objects per tick. Healthy values are < 0.5.
		191
		192	=item $cf::LOAD
		193
		194	The raw value load value from the last tick.
		195
113	=item %cf::CFG	196	=item %cf::CFG
114		197
115	Configuration for the server, loaded from C</etc/crossfire/config>, or	198	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
116	from wherever your confdir points to.	199	from wherever your confdir points to.
117		200
118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	201	=item cf::wait_for_tick, cf::wait_for_tick_begin
119		202
120	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	203	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	204	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	205	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.	206
		207	=item @cf::INVOKE_RESULTS
		208
		209	This array contains the results of the last C<invoke ()> call. When
		210	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		211	that call.
124		212
125	=back	213	=back
126		214
127	=cut	215	=cut
128		216
129	BEGIN {	217	BEGIN {
130	*CORE::GLOBAL::warn = sub {	218	*CORE::GLOBAL::warn = sub {
131	my $msg = join "", @_;	219	my $msg = join "", @_;
132	utf8::encode $msg;
133		220
134	$msg .= "\n"	221	$msg .= "\n"
135	unless $msg =~ /\n$/;	222	unless $msg =~ /\n$/;
136		223
		224	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		225
137	LOG llevError, $msg;	226	LOG llevError, $msg;
138	};	227	};
139	}	228	}
		229
		230	$Coro::State::DIEHOOK = sub {
		231	return unless $^S eq 0; # "eq", not "=="
		232
		233	if ($Coro::current == $Coro::main) {#d#
		234	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		235	return;#d#
		236	}#d#
		237
		238	# kill coroutine otherwise
		239	warn Carp::longmess $_[0];
		240	Coro::terminate
		241	};
		242
		243	$SIG{__DIE__} = sub { }; #d#?
140		244
141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	245	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
142	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	246	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	247	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	248	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	249	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		250	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
146	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	251	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
147		252
148	# we bless all objects into (empty) derived classes to force a method lookup	253	# we bless all objects into (empty) derived classes to force a method lookup
149	# within the Safe compartment.	254	# within the Safe compartment.
150	for my $pkg (qw(	255	for my $pkg (qw(
151	cf::global cf::attachable	256	cf::global cf::attachable
152	cf::object cf::object::player	257	cf::object cf::object::player
153	cf::client cf::player	258	cf::client cf::player
154	cf::arch cf::living	259	cf::arch cf::living
		260	cf::map cf::mapspace
155	cf::map cf::party cf::region	261	cf::party cf::region
156	)) {	262	)) {
157	no strict 'refs';
158	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	263	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
159	}	264	}
160		265
161	$Event::DIED = sub {	266	$EV::DIED = sub {
162	warn "error in event callback: @_";	267	warn "error in event callback: @_";
163	};	268	};
		269
		270	#############################################################################
164		271
165	=head2 UTILITY FUNCTIONS	272	=head2 UTILITY FUNCTIONS
166		273
167	=over 4	274	=over 4
168		275
…		…
187	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	294	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
188	$d	295	$d
189	} || "[unable to dump $_[0]: '$@']";	296	} || "[unable to dump $_[0]: '$@']";
190	}	297	}
191		298
192	use JSON::Syck (); # TODO# replace by JSON::PC once working
193
194	=item $ref = cf::from_json $json	299	=item $ref = cf::decode_json $json
195		300
196	Converts a JSON string into the corresponding perl data structure.	301	Converts a JSON string into the corresponding perl data structure.
197		302
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	303	=item $json = cf::encode_json $ref
206		304
207	Converts a perl data structure into its JSON representation.	305	Converts a perl data structure into its JSON representation.
208		306
209	=cut	307	=cut
210		308
211	sub to_json($) {	309	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	310
213	JSON::Syck::Dump $_[0]	311	sub encode_json($) { $json_coder->encode ($_[0]) }
		312	sub decode_json($) { $json_coder->decode ($_[0]) }
		313
		314	=item cf::post_init { BLOCK }
		315
		316	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		317	but I<before> the server starts ticking again.
		318
		319	The cdoeblock will have a single boolean argument to indicate whether this
		320	is a reload or not.
		321
		322	=cut
		323
		324	sub post_init(&) {
		325	push @POST_INIT, shift;
214	}	326	}
215		327
216	=item cf::lock_wait $string	328	=item cf::lock_wait $string
217		329
218	Wait until the given lock is available. See cf::lock_acquire.	330	Wait until the given lock is available. See cf::lock_acquire.
…		…
222	Wait until the given lock is available and then acquires it and returns	334	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,	335	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
224	for example when the coroutine gets canceled), the lock is automatically	336	for example when the coroutine gets canceled), the lock is automatically
225	returned.	337	returned.
226		338
		339	Locks are *not* recursive, locking from the same coro twice results in a
		340	deadlocked coro.
		341
227	Lock names should begin with a unique identifier (for example, cf::map::find	342	Lock names should begin with a unique identifier (for example, cf::map::find
228	uses map_find and cf::map::load uses map_load).	343	uses map_find and cf::map::load uses map_load).
229		344
		345	=item $locked = cf::lock_active $string
		346
		347	Return true if the lock is currently active, i.e. somebody has locked it.
		348
230	=cut	349	=cut
231		350
232	our %LOCK;	351	our %LOCK;
		352	our %LOCKER;#d#
233		353
234	sub lock_wait($) {	354	sub lock_wait($) {
235	my ($key) = @_;	355	my ($key) = @_;
236		356
		357	if ($LOCKER{$key} == $Coro::current) {#d#
		358	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		359	return;#d#
		360	}#d#
		361
237	# wait for lock, if any	362	# wait for lock, if any
238	while ($LOCK{$key}) {	363	while ($LOCK{$key}) {
		364	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
239	push @{ $LOCK{$key} }, $Coro::current;	365	push @{ $LOCK{$key} }, $Coro::current;
240	Coro::schedule;	366	Coro::schedule;
241	}	367	}
242	}	368	}
243		369
…		…
246		372
247	# wait, to be sure we are not locked	373	# wait, to be sure we are not locked
248	lock_wait $key;	374	lock_wait $key;
249		375
250	$LOCK{$key} = [];	376	$LOCK{$key} = [];
		377	$LOCKER{$key} = $Coro::current;#d#
251		378
252	Coro::guard {	379	Coro::guard {
		380	delete $LOCKER{$key};#d#
253	# wake up all waiters, to be on the safe side	381	# wake up all waiters, to be on the safe side
254	$_->ready for @{ delete $LOCK{$key} };	382	$_->ready for @{ delete $LOCK{$key} };
255	}	383	}
256	}	384	}
257		385
		386	sub lock_active($) {
		387	my ($key) = @_;
		388
		389	! ! $LOCK{$key}
		390	}
		391
258	sub freeze_mainloop {	392	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
260		394
261	my $guard = Coro::guard { $TICK_WATCHER->start };	395	Coro::guard \&tick_inhibit_dec;
262	$TICK_WATCHER->stop;	396	}
263	$guard	397
		398	=item cf::periodic $interval, $cb
		399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428
		429	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		430	$SLOT_QUEUE = Coro::async {
		431	$Coro::current->desc ("timeslot manager");
		432
		433	my $signal = new Coro::Signal;
		434
		435	while () {
		436	next_job:
		437	my $avail = cf::till_tick;
		438	if ($avail > 0.01) {
		439	for (0 .. $#SLOT_QUEUE) {
		440	if ($SLOT_QUEUE[$_][0] < $avail) {
		441	my $job = splice @SLOT_QUEUE, $_, 1, ();
		442	$job->[2]->send;
		443	Coro::cede;
		444	goto next_job;
		445	}
		446	}
		447	}
		448
		449	if (@SLOT_QUEUE) {
		450	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		451	push @cf::WAIT_FOR_TICK, $signal;
		452	$signal->wait;
		453	} else {
		454	Coro::schedule;
		455	}
		456	}
		457	};
		458
		459	sub get_slot($;$$) {
		460	return if tick_inhibit || $Coro::current == $Coro::main;
		461
		462	my ($time, $pri, $name) = @_;
		463
		464	$time = $TICK * .6 if $time > $TICK * .6;
		465	my $sig = new Coro::Signal;
		466
		467	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		468	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		469	$SLOT_QUEUE->ready;
		470	$sig->wait;
264	}	471	}
265		472
266	=item cf::async { BLOCK }	473	=item cf::async { BLOCK }
267		474
268	Currently the same as Coro::async_pool, meaning you cannot use	475	Currently the same as Coro::async_pool, meaning you cannot use
…		…
273		480
274	BEGIN { *async = \&Coro::async_pool }	481	BEGIN { *async = \&Coro::async_pool }
275		482
276	=item cf::sync_job { BLOCK }	483	=item cf::sync_job { BLOCK }
277		484
278	The design of crossfire+ requires that the main coro ($Coro::main) is	485	The design of Deliantra requires that the main coroutine ($Coro::main)
279	always able to handle events or runnable, as crossfire+ is only partly	486	is always able to handle events or runnable, as Deliantra is only
280	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	487	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		488	acceptable.
281		489
282	If it must be done, put the blocking parts into C<sync_job>. This will run	490	If it must be done, put the blocking parts into C<sync_job>. This will run
283	the given BLOCK in another coroutine while waiting for the result. The	491	the given BLOCK in another coroutine while waiting for the result. The
284	server will be frozen during this time, so the block should either finish	492	server will be frozen during this time, so the block should either finish
285	fast or be very important.	493	fast or be very important.
…		…
288		496
289	sub sync_job(&) {	497	sub sync_job(&) {
290	my ($job) = @_;	498	my ($job) = @_;
291		499
292	if ($Coro::current == $Coro::main) {	500	if ($Coro::current == $Coro::main) {
		501	my $time = EV::time;
		502
293	# this is the main coro, too bad, we have to block	503	# this is the main coro, too bad, we have to block
294	# till the operation succeeds, freezing the server :/	504	# till the operation succeeds, freezing the server :/
295		505
296	# TODO: use suspend/resume instead	506	LOG llevError, Carp::longmess "sync job";#d#
297	# (but this is cancel-safe)	507
298	my $freeze_guard = freeze_mainloop;	508	my $freeze_guard = freeze_mainloop;
299		509
300	my $busy = 1;	510	my $busy = 1;
301	my @res;	511	my @res;
302		512
303	(async {	513	(async {
		514	$Coro::current->desc ("sync job coro");
304	@res = eval { $job->() };	515	@res = eval { $job->() };
305	warn $@ if $@;	516	warn $@ if $@;
306	undef $busy;	517	undef $busy;
307	})->prio (Coro::PRIO_MAX);	518	})->prio (Coro::PRIO_MAX);
308		519
309	while ($busy) {	520	while ($busy) {
310	Coro::cede or Event::one_event;	521	if (Coro::nready) {
		522	Coro::cede_notself;
		523	} else {
		524	EV::loop EV::LOOP_ONESHOT;
311	}	525	}
		526	}
		527
		528	my $time = EV::time - $time;
		529
		530	$TICK_START += $time; # do not account sync jobs to server load
312		531
313	wantarray ? @res : $res[0]	532	wantarray ? @res : $res[0]
314	} else {	533	} else {
315	# we are in another coroutine, how wonderful, everything just works	534	# we are in another coroutine, how wonderful, everything just works
316		535
…		…
336	$EXT_CORO{$coro+0} = $coro;	555	$EXT_CORO{$coro+0} = $coro;
337		556
338	$coro	557	$coro
339	}	558	}
340		559
341	sub write_runtime {	560	=item fork_call { }, $args
342	my $runtime = cf::localdir . "/runtime";
343		561
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	562	Executes the given code block with the given arguments in a seperate
345	or return;	563	process, returning the results. Everything must be serialisable with
		564	Coro::Storable. May, of course, block. Note that the executed sub may
		565	never block itself or use any form of event handling.
346		566
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	567	=cut
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;
350		568
351	aio_fsync $fh	569	sub fork_call(&@) {
352	and return;	570	my ($cb, @args) = @_;
353		571
354	close $fh	572	# we seemingly have to make a local copy of the whole thing,
355	or return;	573	# otherwise perl prematurely frees the stuff :/
		574	# TODO: investigate and fix (likely this will be rather laborious)
356		575
357	aio_rename "$runtime~", $runtime	576	my @res = Coro::Util::fork_eval {
358	and return;	577	reset_signals;
		578	&$cb
		579	}, @args;
359		580
		581	wantarray ? @res : $res[-1]
		582	}
		583
		584	=item $coin = coin_from_name $name
		585
		586	=cut
		587
		588	our %coin_alias = (
		589	"silver" => "silvercoin",
		590	"silvercoin" => "silvercoin",
		591	"silvercoins" => "silvercoin",
		592	"gold" => "goldcoin",
		593	"goldcoin" => "goldcoin",
		594	"goldcoins" => "goldcoin",
		595	"platinum" => "platinacoin",
		596	"platinumcoin" => "platinacoin",
		597	"platinumcoins" => "platinacoin",
		598	"platina" => "platinacoin",
		599	"platinacoin" => "platinacoin",
		600	"platinacoins" => "platinacoin",
		601	"royalty" => "royalty",
		602	"royalties" => "royalty",
		603	);
		604
		605	sub coin_from_name($) {
		606	$coin_alias{$_[0]}
		607	? cf::arch::find $coin_alias{$_[0]}
		608	: undef
		609	}
		610
		611	=item $value = cf::db_get $family => $key
		612
		613	Returns a single value from the environment database.
		614
		615	=item cf::db_put $family => $key => $value
		616
		617	Stores the given C<$value> in the family. It can currently store binary
		618	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		619
		620	=item $db = cf::db_table "name"
		621
		622	Create and/or open a new database table. The string must not be "db" and must be unique
		623	within each server.
		624
		625	=cut
		626
		627	sub db_table($) {
		628	my ($name) = @_;
		629	my $db = BDB::db_create $DB_ENV;
		630
		631	eval {
		632	$db->set_flags (BDB::CHKSUM);
		633
		634	utf8::encode $name;
		635	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		636	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		637	cf::cleanup "db_open(db): $!" if $!;
		638	};
		639	cf::cleanup "db_open(db): $@" if $@;
		640
		641	$db
		642	}
		643
		644	our $DB;
		645
		646	sub db_init {
		647	cf::sync_job {
		648	$DB ||= db_table "db";
		649	};
		650	}
		651
		652	sub db_get($$) {
		653	my $key = "$_[0]/$_[1]";
		654
		655	cf::sync_job {
		656	BDB::db_get $DB, undef, $key, my $data;
		657
		658	$! ? ()
		659	: $data
360	1	660	}
		661	}
		662
		663	sub db_put($$$) {
		664	BDB::dbreq_pri 4;
		665	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		666	}
		667
		668	=item cf::cache $id => [$paths...], $processversion => $process
		669
		670	Generic caching function that returns the value of the resource $id,
		671	caching and regenerating as required.
		672
		673	This function can block.
		674
		675	=cut
		676
		677	sub cache {
		678	my ($id, $src, $processversion, $process) = @_;
		679
		680	my $meta =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	aio_stat $_
		685	and Carp::croak "$_: $!";
		686
		687	($_, (stat _)[7,9])
		688	} @$src;
		689
		690	my $dbmeta = db_get cache => "$id/meta";
		691	if ($dbmeta ne $meta) {
		692	# changed, we may need to process
		693
		694	my @data;
		695	my $md5;
		696
		697	for (0 .. $#$src) {
		698	0 <= aio_load $src->[$_], $data[$_]
		699	or Carp::croak "$src->[$_]: $!";
		700	}
		701
		702	# if processing is expensive, check
		703	# checksum first
		704	if (1) {
		705	$md5 =
		706	join "\x00",
		707	$processversion,
		708	map {
		709	cf::cede_to_tick;
		710	($src->[$_], Digest::MD5::md5_hex $data[$_])
		711	} 0.. $#$src;
		712
		713
		714	my $dbmd5 = db_get cache => "$id/md5";
		715	if ($dbmd5 eq $md5) {
		716	db_put cache => "$id/meta", $meta;
		717
		718	return db_get cache => "$id/data";
		719	}
		720	}
		721
		722	my $t1 = Time::HiRes::time;
		723	my $data = $process->(\@data);
		724	my $t2 = Time::HiRes::time;
		725
		726	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		727
		728	db_put cache => "$id/data", $data;
		729	db_put cache => "$id/md5" , $md5;
		730	db_put cache => "$id/meta", $meta;
		731
		732	return $data;
		733	}
		734
		735	db_get cache => "$id/data"
		736	}
		737
		738	=item cf::datalog type => key => value, ...
		739
		740	Log a datalog packet of the given type with the given key-value pairs.
		741
		742	=cut
		743
		744	sub datalog($@) {
		745	my ($type, %kv) = @_;
		746	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
361	}	747	}
362		748
363	=back	749	=back
364		750
365	=cut	751	=cut
366		752
367	#############################################################################	753	#############################################################################
368		754
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477	$path
478	}
479
480	# the original (read-only) location
481	sub load_path {
482	my ($self) = @_;
483
484	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
485	}
486
487	# the temporary/swap location
488	sub save_path {
489	my ($self) = @_;
490
491	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
492	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
493	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
494	}
495
496	# the unique path, undef == no special unique path
497	sub uniq_path {
498	my ($self) = @_;
499
500	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
501	}
502
503	# this is somewhat ugly, but style maps do need special treatment
504	sub is_style_map {
505	$_[0]{path} =~ m{^/styles/}
506	}
507
508	sub load_orig {
509	my ($self) = @_;
510
511	&cf::map::load_map_header ($self->load_path)
512	}
513
514	sub load_temp {
515	my ($self) = @_;
516
517	&cf::map::load_map_header ($self->save_path)
518	}
519
520	package cf;
521
522	#############################################################################
523
524	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
525		756
526	Many objects in crossfire are so-called attachable objects. That means you can	757	Many objects in deliantra are so-called attachable objects. That means you can
527	attach callbacks/event handlers (a collection of which is called an "attachment")	758	attach callbacks/event handlers (a collection of which is called an "attachment")
528	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
529		760
530	In the following description, CLASS can be any of C<global>, C<object>	761	In the following description, CLASS can be any of C<global>, C<object>
531	C<player>, C<client> or C<map> (i.e. the attachable objects in	762	C<player>, C<client> or C<map> (i.e. the attachable objects in
532	crossfire+).	763	Deliantra).
533		764
534	=over 4	765	=over 4
535		766
536	=item $attachable->attach ($attachment, key => $value...)	767	=item $attachable->attach ($attachment, key => $value...)
537		768
…		…
581	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
582		813
583	Register an attachment by C<$name> through which attachable objects of the	814	Register an attachment by C<$name> through which attachable objects of the
584	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
585		816
586	Some classes such as crossfire maps and objects can specify attachments	817	Some classes such as deliantra maps and objects can specify attachments
587	that are attached at load/instantiate time, thus the need for a name.	818	that are attached at load/instantiate time, thus the need for a name.
588		819
589	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
590		821
591	=over 4	822	=over 4
…		…
651	our @CB_TYPE = (); # registry for type (cf-object class) based events	882	our @CB_TYPE = (); # registry for type (cf-object class) based events
652	our @CB_MAP = ();	883	our @CB_MAP = ();
653		884
654	my %attachment;	885	my %attachment;
655		886
		887	sub cf::attachable::thawer_merge {
		888	# simply override everything except _meta
		889	local $_[0]{_meta};
		890	%{$_[0]} = %{$_[1]};
		891	}
		892
656	sub _attach_cb($$$$) {	893	sub _attach_cb($$$$) {
657	my ($registry, $event, $prio, $cb) = @_;	894	my ($registry, $event, $prio, $cb) = @_;
658		895
659	use sort 'stable';	896	use sort 'stable';
660		897
…		…
694	$registry = $CB_TYPE[$object_type] ||= [];	931	$registry = $CB_TYPE[$object_type] ||= [];
695		932
696	} elsif ($type eq "subtype") {	933	} elsif ($type eq "subtype") {
697	defined $object_type or Carp::croak "subtype specified without type";	934	defined $object_type or Carp::croak "subtype specified without type";
698	my $object_subtype = shift @arg;	935	my $object_subtype = shift @arg;
699	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	936	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
700		937
701	} elsif ($type eq "package") {	938	} elsif ($type eq "package") {
702	my $pkg = shift @arg;	939	my $pkg = shift @arg;
703		940
704	while (my ($name, $id) = each %cb_id) {	941	while (my ($name, $id) = each %cb_id) {
…		…
733	_attach $registry, $klass, @attach;	970	_attach $registry, $klass, @attach;
734	}	971	}
735		972
736	$obj->{$name} = \%arg;	973	$obj->{$name} = \%arg;
737	} else {	974	} else {
738	warn "object uses attachment '$name' that is not available, postponing.\n";	975	warn "object uses attachment '$name' which is not available, postponing.\n";
739	}	976	}
740		977
741	$obj->{_attachment}{$name} = undef;	978	$obj->{_attachment}{$name} = undef;
742	}	979	}
743		980
…		…
745	if (ref $_[0]) {	982	if (ref $_[0]) {
746	_object_attach @_;	983	_object_attach @_;
747	} else {	984	} else {
748	_attach shift->_attach_registry, @_;	985	_attach shift->_attach_registry, @_;
749	}	986	}
		987	_recalc_want;
750	};	988	};
751		989
752	# all those should be optimised	990	# all those should be optimised
753	sub cf::attachable::detach {	991	sub cf::attachable::detach {
754	my ($obj, $name) = @_;	992	my ($obj, $name) = @_;
…		…
757	delete $obj->{_attachment}{$name};	995	delete $obj->{_attachment}{$name};
758	reattach ($obj);	996	reattach ($obj);
759	} else {	997	} else {
760	Carp::croak "cannot, currently, detach class attachments";	998	Carp::croak "cannot, currently, detach class attachments";
761	}	999	}
		1000	_recalc_want;
762	};	1001	};
763		1002
764	sub cf::attachable::attached {	1003	sub cf::attachable::attached {
765	my ($obj, $name) = @_;	1004	my ($obj, $name) = @_;
766		1005
…		…
781	";	1020	";
782	die if $@;	1021	die if $@;
783	}	1022	}
784		1023
785	our $override;	1024	our $override;
786	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1025	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
787		1026
788	sub override {	1027	sub override {
789	$override = 1;	1028	$override = 1;
790	@invoke_results = ();	1029	@INVOKE_RESULTS = (@_);
791	}	1030	}
792		1031
793	sub do_invoke {	1032	sub do_invoke {
794	my $event = shift;	1033	my $event = shift;
795	my $callbacks = shift;	1034	my $callbacks = shift;
796		1035
797	@invoke_results = ();	1036	@INVOKE_RESULTS = ();
798		1037
799	local $override;	1038	local $override;
800		1039
801	for (@$callbacks) {	1040	for (@$callbacks) {
802	eval { &{$_->[1]} };	1041	eval { &{$_->[1]} };
…		…
811	}	1050	}
812		1051
813	0	1052	0
814	}	1053	}
815		1054
816	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
817		1056
818	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1057	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
819		1058
820	Generate an object-specific event with the given arguments.	1059	Generate an object-specific event with the given arguments.
821		1060
822	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1061	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
823	removed in future versions), and there is no public API to access override	1062	removed in future versions), and there is no public API to access override
824	results (if you must, access C<@cf::invoke_results> directly).	1063	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
825		1064
826	=back	1065	=back
827		1066
828	=cut	1067	=cut
829		1068
830	#############################################################################	1069	#############################################################################
831	# object support	1070	# object support
		1071
		1072	sub _object_equal($$);
		1073	sub _object_equal($$) {
		1074	my ($a, $b) = @_;
		1075
		1076	return 0 unless (ref $a) eq (ref $b);
		1077
		1078	if ("HASH" eq ref $a) {
		1079	my @ka = keys %$a;
		1080	my @kb = keys %$b;
		1081
		1082	return 0 if @ka != @kb;
		1083
		1084	for (0 .. $#ka) {
		1085	return 0 unless $ka[$_] eq $kb[$_];
		1086	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1087	}
		1088
		1089	} elsif ("ARRAY" eq ref $a) {
		1090
		1091	return 0 if @$a != @$b;
		1092
		1093	for (0 .. $#$a) {
		1094	return 0 unless _object_equal $a->[$_], $b->[$_];
		1095	}
		1096
		1097	} elsif ($a ne $b) {
		1098	return 0;
		1099	}
		1100
		1101	1
		1102	}
		1103
		1104	our $SLOW_MERGES;#d#
		1105	sub _can_merge {
		1106	my ($ob1, $ob2) = @_;
		1107
		1108	++$SLOW_MERGES;#d#
		1109
		1110	# we do the slow way here
		1111	return _object_equal $ob1, $ob2
		1112	}
832		1113
833	sub reattach {	1114	sub reattach {
834	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
835	my ($obj) = @_;	1116	my ($obj) = @_;
		1117
		1118	# no longer needed after getting rid of delete_package?
		1119	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
836		1120
837	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
838		1122
839	@$registry = ();	1123	@$registry = ();
840		1124
…		…
855	cf::attachable->attach (	1139	cf::attachable->attach (
856	prio => -1000000,	1140	prio => -1000000,
857	on_instantiate => sub {	1141	on_instantiate => sub {
858	my ($obj, $data) = @_;	1142	my ($obj, $data) = @_;
859		1143
860	$data = from_json $data;	1144	$data = decode_json $data;
861		1145
862	for (@$data) {	1146	for (@$data) {
863	my ($name, $args) = @$_;	1147	my ($name, $args) = @$_;
864		1148
865	$obj->attach ($name, %{$args || {} });	1149	$obj->attach ($name, %{$args || {} });
…		…
881	sub object_freezer_save {	1165	sub object_freezer_save {
882	my ($filename, $rdata, $objs) = @_;	1166	my ($filename, $rdata, $objs) = @_;
883		1167
884	sync_job {	1168	sync_job {
885	if (length $$rdata) {	1169	if (length $$rdata) {
		1170	utf8::decode (my $decname = $filename);
886	warn sprintf "saving %s (%d,%d)\n",	1171	warn sprintf "saving %s (%d,%d)\n",
887	$filename, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
888		1173
889	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
890	chmod SAVE_MODE, $fh;	1175	aio_chmod $fh, SAVE_MODE;
891	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1176	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
892	aio_fsync $fh;	1177	aio_fsync $fh if $cf::USE_FSYNC;
893	close $fh;	1178	aio_close $fh;
894		1179
895	if (@$objs) {	1180	if (@$objs) {
896	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
897	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
898	my $data = Storable::nfreeze { version => 1, objs => $objs };	1183	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
899	aio_write $fh, 0, (length $data), $data, 0;	1184	aio_write $fh, 0, (length $data), $data, 0;
900	aio_fsync $fh;	1185	aio_fsync $fh if $cf::USE_FSYNC;
901	close $fh;	1186	aio_close $fh;
902	aio_rename "$filename.pst~", "$filename.pst";	1187	aio_rename "$filename.pst~", "$filename.pst";
903	}	1188	}
904	} else {	1189	} else {
905	aio_unlink "$filename.pst";	1190	aio_unlink "$filename.pst";
906	}	1191	}
907		1192
908	aio_rename "$filename~", $filename;	1193	aio_rename "$filename~", $filename;
		1194
		1195	$filename =~ s%/[^/]+$%%;
		1196	aio_pathsync $filename if $cf::USE_FSYNC;
909	} else {	1197	} else {
910	warn "FATAL: $filename~: $!\n";	1198	warn "FATAL: $filename~: $!\n";
911	}	1199	}
912	} else {	1200	} else {
913	aio_unlink $filename;	1201	aio_unlink $filename;
914	aio_unlink "$filename.pst";	1202	aio_unlink "$filename.pst";
915	}	1203	}
916	}	1204	};
917	}	1205	}
918		1206
919	sub object_freezer_as_string {	1207	sub object_freezer_as_string {
920	my ($rdata, $objs) = @_;	1208	my ($rdata, $objs) = @_;
921		1209
…		…
933	or return;	1221	or return;
934		1222
935	unless (aio_stat "$filename.pst") {	1223	unless (aio_stat "$filename.pst") {
936	(aio_load "$filename.pst", $av) >= 0	1224	(aio_load "$filename.pst", $av) >= 0
937	or return;	1225	or return;
		1226
938	$av = eval { (Storable::thaw $av)->{objs} };	1227	my $st = eval { Coro::Storable::thaw $av };
		1228	$av = $st->{objs};
939	}	1229	}
940		1230
		1231	utf8::decode (my $decname = $filename);
941	warn sprintf "loading %s (%d)\n",	1232	warn sprintf "loading %s (%d,%d)\n",
942	$filename, length $data, scalar @{$av || []};#d#	1233	$decname, length $data, scalar @{$av || []};
		1234
943	return ($data, $av);	1235	($data, $av)
944	}	1236	}
		1237
		1238	=head2 COMMAND CALLBACKS
		1239
		1240	=over 4
		1241
		1242	=cut
945		1243
946	#############################################################################	1244	#############################################################################
947	# command handling &c	1245	# command handling &c
948		1246
949	=item cf::register_command $name => \&callback($ob,$args);	1247	=item cf::register_command $name => \&callback($ob,$args);
…		…
962	push @{ $COMMAND{$name} }, [$caller, $cb];	1260	push @{ $COMMAND{$name} }, [$caller, $cb];
963	}	1261	}
964		1262
965	=item cf::register_extcmd $name => \&callback($pl,$packet);	1263	=item cf::register_extcmd $name => \&callback($pl,$packet);
966		1264
967	Register a callbackf ro execution when the client sends an extcmd packet.	1265	Register a callback for execution when the client sends an (synchronous)
		1266	extcmd packet. Ext commands will be processed in the order they are
		1267	received by the server, like other user commands. The first argument is
		1268	the logged-in player. Ext commands can only be processed after a player
		1269	has logged in successfully.
968		1270
969	If the callback returns something, it is sent back as if reply was being	1271	If the callback returns something, it is sent back as if reply was being
970	called.	1272	called.
971		1273
		1274	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1275
		1276	Register a callback for execution when the client sends an (asynchronous)
		1277	exticmd packet. Exti commands are processed by the server as soon as they
		1278	are received, i.e. out of order w.r.t. other commands. The first argument
		1279	is a client socket. Exti commands can be received anytime, even before
		1280	log-in.
		1281
		1282	If the callback returns something, it is sent back as if reply was being
		1283	called.
		1284
972	=cut	1285	=cut
973		1286
974	sub register_extcmd {	1287	sub register_extcmd {
975	my ($name, $cb) = @_;	1288	my ($name, $cb) = @_;
976		1289
977	$EXTCMD{$name} = $cb;	1290	$EXTCMD{$name} = $cb;
978	}	1291	}
		1292
		1293	sub register_exticmd {
		1294	my ($name, $cb) = @_;
		1295
		1296	$EXTICMD{$name} = $cb;
		1297	}
		1298
		1299	use File::Glob ();
979		1300
980	cf::player->attach (	1301	cf::player->attach (
981	on_command => sub {	1302	on_command => sub {
982	my ($pl, $name, $params) = @_;	1303	my ($pl, $name, $params) = @_;
983		1304
…		…
991	cf::override;	1312	cf::override;
992	},	1313	},
993	on_extcmd => sub {	1314	on_extcmd => sub {
994	my ($pl, $buf) = @_;	1315	my ($pl, $buf) = @_;
995		1316
996	my $msg = eval { from_json $buf };	1317	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
997		1318
998	if (ref $msg) {	1319	if (ref $msg) {
		1320	my ($type, $reply, @payload) =
		1321	"ARRAY" eq ref $msg
		1322	? @$msg
		1323	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1324
		1325	my @reply;
		1326
999	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1327	if (my $cb = $EXTCMD{$type}) {
1000	if (my %reply = $cb->($pl, $msg)) {	1328	@reply = $cb->($pl, @payload);
1001	$pl->ext_reply ($msg->{msgid}, %reply);
1002	}
1003	}	1329	}
		1330
		1331	$pl->ext_reply ($reply, @reply)
		1332	if $reply;
		1333
1004	} else {	1334	} else {
1005	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1335	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1006	}	1336	}
1007		1337
1008	cf::override;	1338	cf::override;
1009	},	1339	},
1010	);	1340	);
1011		1341
		1342	# "readahead" all extensions
1012	sub load_extension {	1343	sub cache_extensions {
1013	my ($path) = @_;	1344	my $grp = IO::AIO::aio_group;
1014		1345
1015	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1346	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
1016	my $base = $1;	1347	for (grep /\.ext$/, @{$_[0]}) {
1017	my $pkg = $1;	1348	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1018	$pkg =~ s/[^[:word:]]/_/g;	1349	}
1019	$pkg = "ext::$pkg";	1350	};
1020		1351
1021	warn "... loading '$path' into '$pkg'\n";	1352	$grp
1022
1023	open my $fh, "<:utf8", $path
1024	or die "$path: $!";
1025
1026	my $source =
1027	"package $pkg; use strict; use utf8;\n"
1028	. "#line 1 \"$path\"\n{\n"
1029	. (do { local $/; <$fh> })
1030	. "\n};\n1";
1031
1032	eval $source
1033	or die $@ ? "$path: $@\n"
1034	: "extension disabled.\n";
1035
1036	push @EXTS, $pkg;
1037	}	1353	}
1038		1354
1039	sub load_extensions {	1355	sub load_extensions {
		1356	cf::sync_job {
		1357	my %todo;
		1358
1040	for my $ext (<$LIBDIR/*.ext>) {	1359	for my $path (<$LIBDIR/*.ext>) {
1041	next unless -r $ext;	1360	next unless -r $path;
1042	eval {	1361
1043	load_extension $ext;	1362	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1363	my $base = $1;
		1364	my $pkg = $1;
		1365	$pkg =~ s/[^[:word:]]/_/g;
		1366	$pkg = "ext::$pkg";
		1367
		1368	open my $fh, "<:utf8", $path
		1369	or die "$path: $!";
		1370
		1371	my $source = do { local $/; <$fh> };
		1372
		1373	my %ext = (
		1374	path => $path,
		1375	base => $base,
		1376	pkg => $pkg,
		1377	);
		1378
		1379	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1380	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1381
		1382	$ext{source} =
		1383	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1384	. "#line 1 \"$path\"\n{\n"
		1385	. $source
		1386	. "\n};\n1";
		1387
		1388	$todo{$base} = \%ext;
		1389	}
		1390
		1391	my %done;
		1392	while (%todo) {
		1393	my $progress;
		1394
		1395	while (my ($k, $v) = each %todo) {
		1396	for (split /,\s*/, $v->{meta}{depends}) {
		1397	goto skip
		1398	unless exists $done{$_};
		1399	}
		1400
		1401	warn "... loading '$k' into '$v->{pkg}'\n";
		1402
		1403	unless (eval $v->{source}) {
		1404	my $msg = $@ ? "$v->{path}: $@\n"
		1405	: "$v->{base}: extension inactive.\n";
		1406
		1407	if (exists $v->{meta}{mandatory}) {
		1408	warn $msg;
		1409	cf::cleanup "mandatory extension failed to load, exiting.";
		1410	}
		1411
		1412	warn $msg;
		1413	}
		1414
		1415	$done{$k} = delete $todo{$k};
		1416	push @EXTS, $v->{pkg};
		1417	$progress = 1;
1044	1	1418	}
1045	} or warn "$ext not loaded: $@";	1419
		1420	skip:
		1421	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1422	unless $progress;
		1423	}
1046	}	1424	};
1047	}	1425	}
1048		1426
1049	#############################################################################	1427	#############################################################################
1050	# load/save/clean perl data associated with a map
1051		1428
1052	*cf::mapsupport::on_clean = sub {	1429	=back
1053	my ($map) = @_;
1054
1055	my $path = $map->tmpname;
1056	defined $path or return;
1057
1058	unlink "$path.pst";
1059	};
1060
1061	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1062
1063	#############################################################################
1064		1430
1065	=head2 CORE EXTENSIONS	1431	=head2 CORE EXTENSIONS
1066		1432
1067	Functions and methods that extend core crossfire objects.	1433	Functions and methods that extend core deliantra objects.
1068		1434
1069	=cut	1435	=cut
1070		1436
1071	package cf::player;	1437	package cf::player;
1072		1438
…		…
1074		1440
1075	=head3 cf::player	1441	=head3 cf::player
1076		1442
1077	=over 4	1443	=over 4
1078		1444
		1445	=item cf::player::num_playing
		1446
		1447	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1448
		1449	=cut
		1450
		1451	sub num_playing {
		1452	scalar grep
		1453	$_->ob->map
		1454	&& !$_->hidden
		1455	&& !$_->ob->flag (cf::FLAG_WIZ),
		1456	cf::player::list
		1457	}
		1458
1079	=item cf::player::find $login	1459	=item cf::player::find $login
1080		1460
1081	Returns the given player object, loading it if necessary (might block).	1461	Returns the given player object, loading it if necessary (might block).
1082		1462
1083	=cut	1463	=cut
1084		1464
1085	sub playerdir($) {	1465	sub playerdir($) {
1086	cf::localdir	1466	"$PLAYERDIR/"
1087	. "/"
1088	. cf::playerdir
1089	. "/"
1090	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1467	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1091	}	1468	}
1092		1469
1093	sub path($) {	1470	sub path($) {
1094	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1471	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1095		1472
1096	(playerdir $login) . "/$login.pl"	1473	(playerdir $login) . "/playerdata"
1097	}	1474	}
1098		1475
1099	sub find_active($) {	1476	sub find_active($) {
1100	$cf::PLAYER{$_[0]}	1477	$cf::PLAYER{$_[0]}
1101	and $cf::PLAYER{$_[0]}->active	1478	and $cf::PLAYER{$_[0]}->active
…		…
1104		1481
1105	sub exists($) {	1482	sub exists($) {
1106	my ($login) = @_;	1483	my ($login) = @_;
1107		1484
1108	$cf::PLAYER{$login}	1485	$cf::PLAYER{$login}
1109	or cf::sync_job { !aio_stat $login }	1486	or !aio_stat path $login
1110	}	1487	}
1111		1488
1112	sub find($) {	1489	sub find($) {
1113	return $cf::PLAYER{$_[0]} || do {	1490	return $cf::PLAYER{$_[0]} || do {
1114	my $login = $_[0];	1491	my $login = $_[0];
1115		1492
1116	my $guard = cf::lock_acquire "user_find:$login";	1493	my $guard = cf::lock_acquire "user_find:$login";
1117		1494
1118	$cf::PLAYER{$_[0]} || do {	1495	$cf::PLAYER{$_[0]} || do {
1119	my $pl = load_pl path $login	1496	# rename old playerfiles to new ones
		1497	#TODO: remove when no longer required
		1498	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1499	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1500	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1501	aio_unlink +(playerdir $login) . "/$login.pl";
		1502
		1503	my $f = new_from_file cf::object::thawer path $login
1120	or return;	1504	or return;
		1505
		1506	my $pl = cf::player::load_pl $f
		1507	or return;
		1508
		1509	local $cf::PLAYER_LOADING{$login} = $pl;
		1510	$f->resolve_delayed_derefs;
1121	$cf::PLAYER{$login} = $pl	1511	$cf::PLAYER{$login} = $pl
1122	}	1512	}
1123	}	1513	}
1124	}	1514	}
1125		1515
…		…
1134	return if $pl->{deny_save};	1524	return if $pl->{deny_save};
1135		1525
1136	aio_mkdir playerdir $pl, 0770;	1526	aio_mkdir playerdir $pl, 0770;
1137	$pl->{last_save} = $cf::RUNTIME;	1527	$pl->{last_save} = $cf::RUNTIME;
1138		1528
		1529	cf::get_slot 0.01;
		1530
1139	$pl->save_pl ($path);	1531	$pl->save_pl ($path);
1140	Coro::cede;	1532	cf::cede_to_tick;
1141	}	1533	}
1142		1534
1143	sub new($) {	1535	sub new($) {
1144	my ($login) = @_;	1536	my ($login) = @_;
1145		1537
…		…
1151	$cf::PLAYER{$login} = $self;	1543	$cf::PLAYER{$login} = $self;
1152		1544
1153	$self	1545	$self
1154	}	1546	}
1155		1547
		1548	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1549
		1550	=cut
		1551
		1552	sub send_msg {
		1553	my $ns = shift->ns
		1554	or return;
		1555	$ns->send_msg (@_);
		1556	}
		1557
1156	=item $pl->quit_character	1558	=item $pl->quit_character
1157		1559
1158	Nukes the player without looking back. If logged in, the connection will	1560	Nukes the player without looking back. If logged in, the connection will
1159	be destroyed. May block for a long time.	1561	be destroyed. May block for a long time.
1160		1562
1161	=cut	1563	=cut
1162		1564
1163	sub quit_character {	1565	sub quit_character {
1164	my ($pl) = @_;	1566	my ($pl) = @_;
1165		1567
		1568	my $name = $pl->ob->name;
		1569
1166	$pl->{deny_save} = 1;	1570	$pl->{deny_save} = 1;
1167	$pl->password ("*"); # this should lock out the player until we nuked the dir	1571	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1168		1572
1169	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1573	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1170	$pl->deactivate;	1574	$pl->deactivate;
		1575	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1576	$pl->ob->check_score;
1171	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1577	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1172	$pl->ns->destroy if $pl->ns;	1578	$pl->ns->destroy if $pl->ns;
1173		1579
1174	my $path = playerdir $pl;	1580	my $path = playerdir $pl;
1175	my $temp = "$path~$cf::RUNTIME~deleting~";	1581	my $temp = "$path~$cf::RUNTIME~deleting~";
1176	aio_rename $path, $temp;	1582	aio_rename $path, $temp;
1177	delete $cf::PLAYER{$pl->ob->name};	1583	delete $cf::PLAYER{$pl->ob->name};
1178	$pl->destroy;	1584	$pl->destroy;
		1585
		1586	my $prefix = qr<^~\Q$name\E/>;
		1587
		1588	# nuke player maps
		1589	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1590
1179	IO::AIO::aio_rmtree $temp;	1591	IO::AIO::aio_rmtree $temp;
		1592	}
		1593
		1594	=item $pl->kick
		1595
		1596	Kicks a player out of the game. This destroys the connection.
		1597
		1598	=cut
		1599
		1600	sub kick {
		1601	my ($pl, $kicker) = @_;
		1602
		1603	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1604	$pl->killer ("kicked");
		1605	$pl->ns->destroy;
1180	}	1606	}
1181		1607
1182	=item cf::player::list_logins	1608	=item cf::player::list_logins
1183		1609
1184	Returns am arrayref of all valid playernames in the system, can take a	1610	Returns am arrayref of all valid playernames in the system, can take a
1185	while and may block, so not sync_job-capable, ever.	1611	while and may block, so not sync_job-capable, ever.
1186		1612
1187	=cut	1613	=cut
1188		1614
1189	sub list_logins {	1615	sub list_logins {
1190	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1616	my $dirs = aio_readdir $PLAYERDIR
1191	or return [];	1617	or return [];
1192		1618
1193	my @logins;	1619	my @logins;
1194		1620
1195	for my $login (@$dirs) {	1621	for my $login (@$dirs) {
		1622	my $path = path $login;
		1623
		1624	# a .pst is a dead give-away for a valid player
		1625	# if no pst file found, open and chekc for blocked users
		1626	if (aio_stat "$path.pst") {
1196	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1627	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1197	aio_read $fh, 0, 512, my $buf, 0 or next;	1628	aio_read $fh, 0, 512, my $buf, 0 or next;
1198	$buf !~ /^password -------------$/m or next; # official not-valid tag	1629	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1630	}
1199		1631
1200	utf8::decode $login;	1632	utf8::decode $login;
1201	push @logins, $login;	1633	push @logins, $login;
1202	}	1634	}
1203		1635
1204	\@logins	1636	\@logins
1205	}	1637	}
1206		1638
1207	=item $player->maps	1639	=item $player->maps
1208		1640
1209	Returns an arrayref of cf::path's of all maps that are private for this	1641	Returns an arrayref of map paths that are private for this
1210	player. May block.	1642	player. May block.
1211		1643
1212	=cut	1644	=cut
1213		1645
1214	sub maps($) {	1646	sub maps($) {
1215	my ($pl) = @_;	1647	my ($pl) = @_;
		1648
		1649	$pl = ref $pl ? $pl->ob->name : $pl;
1216		1650
1217	my $files = aio_readdir playerdir $pl	1651	my $files = aio_readdir playerdir $pl
1218	or return;	1652	or return;
1219		1653
1220	my @paths;	1654	my @paths;
…		…
1222	for (@$files) {	1656	for (@$files) {
1223	utf8::decode $_;	1657	utf8::decode $_;
1224	next if /\.(?:pl|pst)$/;	1658	next if /\.(?:pl|pst)$/;
1225	next unless /^$PATH_SEP/o;	1659	next unless /^$PATH_SEP/o;
1226		1660
1227	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1661	push @paths, cf::map::normalise "~$pl/$_";
1228	}	1662	}
1229		1663
1230	\@paths	1664	\@paths
1231	}	1665	}
1232		1666
		1667	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1668
		1669	Expand deliantra pod fragments into protocol xml.
		1670
1233	=item $player->ext_reply ($msgid, $msgtype, %msg)	1671	=item $player->ext_reply ($msgid, @msg)
1234		1672
1235	Sends an ext reply to the player.	1673	Sends an ext reply to the player.
1236		1674
1237	=cut	1675	=cut
1238		1676
1239	sub ext_reply($$$%) {	1677	sub ext_reply($$@) {
1240	my ($self, $id, %msg) = @_;	1678	my ($self, $id, @msg) = @_;
1241		1679
1242	$msg{msgid} = $id;	1680	$self->ns->ext_reply ($id, @msg)
1243
1244	$self->send ("ext " . cf::to_json \%msg);
1245	}	1681	}
1246		1682
1247	package cf;	1683	=item $player->ext_msg ($type, @msg)
		1684
		1685	Sends an ext event to the client.
		1686
		1687	=cut
		1688
		1689	sub ext_msg($$@) {
		1690	my ($self, $type, @msg) = @_;
		1691
		1692	$self->ns->ext_msg ($type, @msg);
		1693	}
		1694
		1695	=head3 cf::region
		1696
		1697	=over 4
		1698
		1699	=cut
		1700
		1701	package cf::region;
		1702
		1703	=item cf::region::find_by_path $path
		1704
		1705	Tries to decuce the likely region for a map knowing only its path.
		1706
		1707	=cut
		1708
		1709	sub find_by_path($) {
		1710	my ($path) = @_;
		1711
		1712	my ($match, $specificity);
		1713
		1714	for my $region (list) {
		1715	if ($region->{match} && $path =~ $region->{match}) {
		1716	($match, $specificity) = ($region, $region->specificity)
		1717	if $region->specificity > $specificity;
		1718	}
		1719	}
		1720
		1721	$match
		1722	}
1248		1723
1249	=back	1724	=back
1250
1251		1725
1252	=head3 cf::map	1726	=head3 cf::map
1253		1727
1254	=over 4	1728	=over 4
1255		1729
…		…
1258	package cf::map;	1732	package cf::map;
1259		1733
1260	use Fcntl;	1734	use Fcntl;
1261	use Coro::AIO;	1735	use Coro::AIO;
1262		1736
		1737	use overload
		1738	'""' => \&as_string,
		1739	fallback => 1;
		1740
1263	our $MAX_RESET = 3600;	1741	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1742	our $DEFAULT_RESET = 3000;
1265		1743
1266	sub generate_random_map {	1744	sub generate_random_map {
1267	my ($path, $rmp) = @_;	1745	my ($self, $rmp) = @_;
		1746
		1747	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1268		1748
1269	# mit "rum" bekleckern, nicht	1749	# mit "rum" bekleckern, nicht
1270	cf::map::_create_random_map	1750	$self->_create_random_map (
1271	$path,
1272	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1751	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1273	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1752	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1274	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1753	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1275	$rmp->{exit_on_final_map},	1754	$rmp->{exit_on_final_map},
1276	$rmp->{xsize}, $rmp->{ysize},	1755	$rmp->{xsize}, $rmp->{ysize},
1277	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1756	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1278	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1757	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1279	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1758	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1280	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1759	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1281	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1760	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1282	(cf::region::find $rmp->{region})	1761	(cf::region::find $rmp->{region}), $rmp->{custom}
		1762	)
		1763	}
		1764
		1765	=item cf::map->register ($regex, $prio)
		1766
		1767	Register a handler for the map path matching the given regex at the
		1768	givne priority (higher is better, built-in handlers have priority 0, the
		1769	default).
		1770
		1771	=cut
		1772
		1773	sub register {
		1774	my (undef, $regex, $prio) = @_;
		1775	my $pkg = caller;
		1776
		1777	no strict;
		1778	push @{"$pkg\::ISA"}, __PACKAGE__;
		1779
		1780	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1781	}
		1782
		1783	# also paths starting with '/'
		1784	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1785
		1786	sub thawer_merge {
		1787	my ($self, $merge) = @_;
		1788
		1789	# we have to keep some variables in memory intact
		1790	local $self->{path};
		1791	local $self->{load_path};
		1792
		1793	$self->SUPER::thawer_merge ($merge);
		1794	}
		1795
		1796	sub normalise {
		1797	my ($path, $base) = @_;
		1798
		1799	$path = "$path"; # make sure its a string
		1800
		1801	$path =~ s/\.map$//;
		1802
		1803	# map plan:
		1804	#
		1805	# /! non-realised random map exit (special hack!)
		1806	# {... are special paths that are not being touched
		1807	# ?xxx/... are special absolute paths
		1808	# ?random/... random maps
		1809	# /... normal maps
		1810	# ~user/... per-player map of a specific user
		1811
		1812	$path =~ s/$PATH_SEP/\//go;
		1813
		1814	# treat it as relative path if it starts with
		1815	# something that looks reasonable
		1816	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1817	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1818
		1819	$base =~ s{[^/]+/?$}{};
		1820	$path = "$base/$path";
		1821	}
		1822
		1823	for ($path) {
		1824	redo if s{//}{/};
		1825	redo if s{/\.?/}{/};
		1826	redo if s{/[^/]+/\.\./}{/};
		1827	}
		1828
		1829	$path
		1830	}
		1831
		1832	sub new_from_path {
		1833	my (undef, $path, $base) = @_;
		1834
		1835	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1836
		1837	$path = normalise $path, $base;
		1838
		1839	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1840	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1841	my $self = bless cf::map::new, $pkg;
		1842	$self->{path} = $path; $self->path ($path);
		1843	$self->init; # pass $1 etc.
		1844	return $self;
		1845	}
		1846	}
		1847
		1848	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1849	()
		1850	}
		1851
		1852	sub init {
		1853	my ($self) = @_;
		1854
		1855	$self
		1856	}
		1857
		1858	sub as_string {
		1859	my ($self) = @_;
		1860
		1861	"$self->{path}"
		1862	}
		1863
		1864	# the displayed name, this is a one way mapping
		1865	sub visible_name {
		1866	&as_string
		1867	}
		1868
		1869	# the original (read-only) location
		1870	sub load_path {
		1871	my ($self) = @_;
		1872
		1873	"$MAPDIR/$self->{path}.map"
		1874	}
		1875
		1876	# the temporary/swap location
		1877	sub save_path {
		1878	my ($self) = @_;
		1879
		1880	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1881	"$TMPDIR/$path.map"
		1882	}
		1883
		1884	# the unique path, undef == no special unique path
		1885	sub uniq_path {
		1886	my ($self) = @_;
		1887
		1888	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1889	"$UNIQUEDIR/$path"
1283	}	1890	}
1284		1891
1285	# and all this just because we cannot iterate over	1892	# and all this just because we cannot iterate over
1286	# all maps in C++...	1893	# all maps in C++...
1287	sub change_all_map_light {	1894	sub change_all_map_light {
…		…
1289		1896
1290	$_->change_map_light ($change)	1897	$_->change_map_light ($change)
1291	for grep $_->outdoor, values %cf::MAP;	1898	for grep $_->outdoor, values %cf::MAP;
1292	}	1899	}
1293		1900
		1901	sub decay_objects {
		1902	my ($self) = @_;
		1903
		1904	return if $self->{deny_reset};
		1905
		1906	$self->do_decay_objects;
		1907	}
		1908
		1909	sub unlink_save {
		1910	my ($self) = @_;
		1911
		1912	utf8::encode (my $save = $self->save_path);
		1913	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1914	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1915	}
		1916
1294	sub load_map_header($) {	1917	sub load_header_from($) {
1295	my ($path) = @_;	1918	my ($self, $path) = @_;
1296		1919
1297	utf8::encode $path;	1920	utf8::encode $path;
1298	aio_open $path, O_RDONLY, 0	1921	my $f = new_from_file cf::object::thawer $path
1299	or return;	1922	or return;
1300		1923
1301	my $map = cf::map::new	1924	$self->_load_header ($f)
1302	or return;	1925	or return;
1303		1926
1304	# for better error messages only, will be overwritten later	1927	local $MAP_LOADING{$self->{path}} = $self;
1305	$map->path ($path);	1928	$f->resolve_delayed_derefs;
1306		1929
1307	$map->load_header ($path)	1930	$self->{load_path} = $path;
		1931
		1932	1
		1933	}
		1934
		1935	sub load_header_orig {
		1936	my ($self) = @_;
		1937
		1938	$self->load_header_from ($self->load_path)
		1939	}
		1940
		1941	sub load_header_temp {
		1942	my ($self) = @_;
		1943
		1944	$self->load_header_from ($self->save_path)
		1945	}
		1946
		1947	sub prepare_temp {
		1948	my ($self) = @_;
		1949
		1950	$self->last_access ((delete $self->{last_access})
		1951	|| $cf::RUNTIME); #d#
		1952	# safety
		1953	$self->{instantiate_time} = $cf::RUNTIME
		1954	if $self->{instantiate_time} > $cf::RUNTIME;
		1955	}
		1956
		1957	sub prepare_orig {
		1958	my ($self) = @_;
		1959
		1960	$self->{load_original} = 1;
		1961	$self->{instantiate_time} = $cf::RUNTIME;
		1962	$self->last_access ($cf::RUNTIME);
		1963	$self->instantiate;
		1964	}
		1965
		1966	sub load_header {
		1967	my ($self) = @_;
		1968
		1969	if ($self->load_header_temp) {
		1970	$self->prepare_temp;
		1971	} else {
		1972	$self->load_header_orig
1308	or return;	1973	or return;
		1974	$self->prepare_orig;
		1975	}
1309		1976
1310	$map->{load_path} = $path;	1977	$self->{deny_reset} = 1
		1978	if $self->no_reset;
1311		1979
1312	$map	1980	$self->default_region (cf::region::find_by_path $self->{path})
		1981	unless $self->default_region;
		1982
		1983	1
1313	}	1984	}
1314		1985
1315	sub find;	1986	sub find;
1316	sub find {	1987	sub find {
1317	my ($path, $origin) = @_;	1988	my ($path, $origin) = @_;
1318		1989
1319	#warn "find<$path,$origin>\n";#d#
1320
1321	$path = new cf::path $path, $origin && $origin->path;	1990	$path = normalise $path, $origin && $origin->path;
1322	my $key = $path->as_string;
1323		1991
		1992	cf::lock_wait "map_data:$path";#d#remove
1324	cf::lock_wait "map_find:$key";	1993	cf::lock_wait "map_find:$path";
1325		1994
1326	$cf::MAP{$key} || do {	1995	$cf::MAP{$path} || do {
		1996	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1327	my $guard = cf::lock_acquire "map_find:$key";	1997	my $guard2 = cf::lock_acquire "map_find:$path";
1328		1998
1329	# do it the slow way	1999	my $map = new_from_path cf::map $path
1330	my $map = $path->load_temp;
1331
1332	Coro::cede;
1333
1334	if ($map) {
1335	$map->last_access ((delete $map->{last_access})
1336	|| $cf::RUNTIME); #d#
1337	# safety
1338	$map->{instantiate_time} = $cf::RUNTIME
1339	if $map->{instantiate_time} > $cf::RUNTIME;
1340	} else {
1341	$map = $path->load_orig
1342	or return;	2000	or return;
1343		2001
1344	$map->{load_original} = 1;
1345	$map->{instantiate_time} = $cf::RUNTIME;
1346	$map->last_access ($cf::RUNTIME);
1347	$map->instantiate;
1348
1349	# per-player maps become, after loading, normal maps
1350	$map->per_player (0) if $path->{user_rel};
1351	}
1352
1353	$map->path ($key);
1354	$map->{path} = $path;
1355	$map->{last_save} = $cf::RUNTIME;	2002	$map->{last_save} = $cf::RUNTIME;
1356		2003
1357	Coro::cede;	2004	$map->load_header
		2005	or return;
1358		2006
1359	if ($map->should_reset) {	2007	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2008	# doing this can freeze the server in a sync job, obviously
		2009	#$cf::WAIT_FOR_TICK->wait;
		2010	undef $guard2;
		2011	undef $guard1;
1360	$map->reset;	2012	$map->reset;
1361	undef $guard;
1362	$map = find $path	2013	return find $path;
1363	or return;
1364	}	2014	}
1365		2015
1366	$cf::MAP{$key} = $map	2016	$cf::MAP{$path} = $map
1367	}	2017	}
1368	}	2018	}
		2019
		2020	sub pre_load { }
		2021	sub post_load { }
1369		2022
1370	sub load {	2023	sub load {
1371	my ($self) = @_;	2024	my ($self) = @_;
1372		2025
		2026	local $self->{deny_reset} = 1; # loading can take a long time
		2027
1373	my $path = $self->{path};	2028	my $path = $self->{path};
		2029
		2030	{
1374	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2031	my $guard = cf::lock_acquire "map_data:$path";
1375		2032
		2033	return unless $self->valid;
1376	return if $self->in_memory != cf::MAP_SWAPPED;	2034	return unless $self->in_memory == cf::MAP_SWAPPED;
1377		2035
1378	$self->in_memory (cf::MAP_LOADING);	2036	$self->in_memory (cf::MAP_LOADING);
1379		2037
1380	$self->alloc;	2038	$self->alloc;
1381	$self->load_objects ($self->{load_path}, 1)	2039
		2040	$self->pre_load;
		2041	cf::cede_to_tick;
		2042
		2043	my $f = new_from_file cf::object::thawer $self->{load_path};
		2044	$f->skip_block;
		2045	$self->_load_objects ($f)
1382	or return;	2046	or return;
1383		2047
1384	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2048	$self->post_load_original
1385	if delete $self->{load_original};	2049	if delete $self->{load_original};
1386		2050
1387	if (my $uniq = $path->uniq_path) {	2051	if (my $uniq = $self->uniq_path) {
1388	utf8::encode $uniq;	2052	utf8::encode $uniq;
1389	if (aio_open $uniq, O_RDONLY, 0) {	2053	unless (aio_stat $uniq) {
		2054	if (my $f = new_from_file cf::object::thawer $uniq) {
1390	$self->clear_unique_items;	2055	$self->clear_unique_items;
1391	$self->load_objects ($uniq, 0);	2056	$self->_load_objects ($f);
		2057	$f->resolve_delayed_derefs;
		2058	}
1392	}	2059	}
1393	}	2060	}
1394		2061
1395	Coro::cede;	2062	$f->resolve_delayed_derefs;
1396		2063
		2064	cf::cede_to_tick;
1397	# now do the right thing for maps	2065	# now do the right thing for maps
1398	$self->link_multipart_objects;	2066	$self->link_multipart_objects;
1399
1400	if ($self->{path}->is_style_map) {
1401	$self->{deny_save} = 1;
1402	$self->{deny_reset} = 1;
1403	} else {
1404	$self->fix_auto_apply;
1405	$self->decay_objects;
1406	$self->update_buttons;
1407	$self->set_darkness_map;
1408	$self->difficulty ($self->estimate_difficulty)	2067	$self->difficulty ($self->estimate_difficulty)
1409	unless $self->difficulty;	2068	unless $self->difficulty;
		2069	cf::cede_to_tick;
		2070
		2071	unless ($self->{deny_activate}) {
		2072	$self->decay_objects;
		2073	$self->fix_auto_apply;
		2074	$self->update_buttons;
		2075	cf::cede_to_tick;
		2076	$self->set_darkness_map;
		2077	cf::cede_to_tick;
1410	$self->activate;	2078	$self->activate;
1411	}	2079	}
1412		2080
1413	Coro::cede;	2081	$self->{last_save} = $cf::RUNTIME;
		2082	$self->last_access ($cf::RUNTIME);
1414		2083
1415	$self->in_memory (cf::MAP_IN_MEMORY);	2084	$self->in_memory (cf::MAP_ACTIVE);
		2085	}
		2086
		2087	$self->post_load;
		2088	}
		2089
		2090	sub customise_for {
		2091	my ($self, $ob) = @_;
		2092
		2093	return find "~" . $ob->name . "/" . $self->{path}
		2094	if $self->per_player;
		2095
		2096	# return find "?party/" . $ob->name . "/" . $self->{path}
		2097	# if $self->per_party;
		2098
		2099	$self
1416	}	2100	}
1417		2101
1418	# find and load all maps in the 3x3 area around a map	2102	# find and load all maps in the 3x3 area around a map
1419	sub load_diag {	2103	sub load_neighbours {
1420	my ($map) = @_;	2104	my ($map) = @_;
1421		2105
1422	my @diag; # diagonal neighbours	2106	my @neigh; # diagonal neighbours
1423		2107
1424	for (0 .. 3) {	2108	for (0 .. 3) {
1425	my $neigh = $map->tile_path ($_)	2109	my $neigh = $map->tile_path ($_)
1426	or next;	2110	or next;
1427	$neigh = find $neigh, $map	2111	$neigh = find $neigh, $map
1428	or next;	2112	or next;
1429	$neigh->load;	2113	$neigh->load;
1430		2114
		2115	push @neigh,
1431	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2116	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1432	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2117	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1433	}	2118	}
1434		2119
1435	for (@diag) {	2120	for (grep defined $_->[0], @neigh) {
		2121	my ($path, $origin) = @$_;
1436	my $neigh = find @$_	2122	my $neigh = find $path, $origin
1437	or next;	2123	or next;
1438	$neigh->load;	2124	$neigh->load;
1439	}	2125	}
1440	}	2126	}
1441		2127
…		…
1446	}	2132	}
1447		2133
1448	sub do_load_sync {	2134	sub do_load_sync {
1449	my ($map) = @_;	2135	my ($map) = @_;
1450		2136
		2137	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2138	if $Coro::current == $Coro::main;
		2139
1451	cf::sync_job { $map->load };	2140	cf::sync_job { $map->load };
1452	}	2141	}
1453		2142
1454	our %MAP_PREFETCH;	2143	our %MAP_PREFETCH;
		2144	our $MAP_PREFETCHER = undef;
		2145
		2146	sub find_async {
		2147	my ($path, $origin, $load) = @_;
		2148
		2149	$path = normalise $path, $origin && $origin->{path};
		2150
		2151	if (my $map = $cf::MAP{$path}) {
		2152	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2153	}
		2154
		2155	$MAP_PREFETCH{$path} |= $load;
		2156
1455	our $MAP_PREFETCHER = Coro::async {	2157	$MAP_PREFETCHER ||= cf::async {
1456	while () {	2158	$Coro::current->{desc} = "map prefetcher";
		2159
1457	while (%MAP_PREFETCH) {	2160	while (%MAP_PREFETCH) {
1458	my $key = each %MAP_PREFETCH	2161	while (my ($k, $v) = each %MAP_PREFETCH) {
1459	or next;	2162	if (my $map = find $k) {
		2163	$map->load if $v;
		2164	}
		2165
1460	my $path = delete $MAP_PREFETCH{$key};	2166	delete $MAP_PREFETCH{$k};
1461
1462	my $map = find $path
1463	or next;
1464	$map->load;
1465	}	2167	}
1466	Coro::schedule;	2168	}
		2169	undef $MAP_PREFETCHER;
1467	}	2170	};
1468	};
1469
1470	sub find_async {
1471	my ($path, $origin) = @_;
1472
1473	$path = new cf::path $path, $origin && $origin->path;
1474	my $key = $path->as_string;
1475
1476	if (my $map = $cf::MAP{$key}) {
1477	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1478	}
1479
1480	$MAP_PREFETCH{$key} = $path;
1481	$MAP_PREFETCHER->ready;	2171	$MAP_PREFETCHER->prio (6);
1482		2172
1483	()	2173	()
1484	}	2174	}
1485		2175
1486	sub save {	2176	sub save {
1487	my ($self) = @_;	2177	my ($self) = @_;
1488		2178
1489	my $lock = cf::lock_acquire "map_data:" . $self->path;	2179	my $lock = cf::lock_acquire "map_data:$self->{path}";
1490		2180
1491	$self->{last_save} = $cf::RUNTIME;	2181	$self->{last_save} = $cf::RUNTIME;
1492		2182
1493	return unless $self->dirty;	2183	return unless $self->dirty;
1494		2184
1495	my $save = $self->{path}->save_path; utf8::encode $save;	2185	my $save = $self->save_path; utf8::encode $save;
1496	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2186	my $uniq = $self->uniq_path; utf8::encode $uniq;
1497		2187
1498	$self->{load_path} = $save;	2188	$self->{load_path} = $save;
1499		2189
1500	return if $self->{deny_save};	2190	return if $self->{deny_save};
1501		2191
1502	local $self->{last_access} = $self->last_access;#d#	2192	local $self->{last_access} = $self->last_access;#d#
1503		2193
1504	cf::async {	2194	cf::async {
		2195	$Coro::current->{desc} = "map player save";
1505	$_->contr->save for $self->players;	2196	$_->contr->save for $self->players;
1506	};	2197	};
1507		2198
		2199	cf::get_slot 0.02;
		2200
1508	if ($uniq) {	2201	if ($uniq) {
1509	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2202	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1510	$self->save_objects ($uniq, cf::IO_UNIQUES);	2203	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1511	} else {	2204	} else {
1512	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2205	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1513	}	2206	}
1514	}	2207	}
1515		2208
1516	sub swap_out {	2209	sub swap_out {
1517	my ($self) = @_;	2210	my ($self) = @_;
1518		2211
1519	# save first because save cedes	2212	# save first because save cedes
1520	$self->save;	2213	$self->save;
1521		2214
1522	my $lock = cf::lock_acquire "map_data:" . $self->path;	2215	my $lock = cf::lock_acquire "map_data:$self->{path}";
1523		2216
1524	return if $self->players;	2217	return if $self->players;
1525	return if $self->in_memory != cf::MAP_IN_MEMORY;	2218	return if $self->in_memory != cf::MAP_ACTIVE;
1526	return if $self->{deny_save};	2219	return if $self->{deny_save};
1527		2220
		2221	$self->in_memory (cf::MAP_SWAPPED);
		2222
		2223	$self->deactivate;
		2224	$_->clear_links_to ($self) for values %cf::MAP;
1528	$self->clear;	2225	$self->clear;
1529	$self->in_memory (cf::MAP_SWAPPED);
1530	}	2226	}
1531		2227
1532	sub reset_at {	2228	sub reset_at {
1533	my ($self) = @_;	2229	my ($self) = @_;
1534		2230
1535	# TODO: safety, remove and allow resettable per-player maps	2231	# TODO: safety, remove and allow resettable per-player maps
1536	return 1e99 if $self->{path}{user_rel};
1537	return 1e99 if $self->{deny_reset};	2232	return 1e99 if $self->{deny_reset};
1538		2233
1539	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2234	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1540	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2235	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1541		2236
…		…
1546	my ($self) = @_;	2241	my ($self) = @_;
1547		2242
1548	$self->reset_at <= $cf::RUNTIME	2243	$self->reset_at <= $cf::RUNTIME
1549	}	2244	}
1550		2245
1551	sub unlink_save {
1552	my ($self) = @_;
1553
1554	utf8::encode (my $save = $self->{path}->save_path);
1555	aioreq_pri 3; IO::AIO::aio_unlink $save;
1556	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1557	}
1558
1559	sub rename {
1560	my ($self, $new_path) = @_;
1561
1562	$self->unlink_save;
1563
1564	delete $cf::MAP{$self->path};
1565	$self->{path} = new cf::path $new_path;
1566	$self->path ($self->{path}->as_string);
1567	$cf::MAP{$self->path} = $self;
1568
1569	$self->save;
1570	}
1571
1572	sub reset {	2246	sub reset {
1573	my ($self) = @_;	2247	my ($self) = @_;
1574		2248
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2249	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2250
1577	return if $self->players;	2251	return if $self->players;
1578	return if $self->{path}{user_rel};#d#
1579		2252
1580	warn "resetting map ", $self->path;#d#	2253	warn "resetting map ", $self->path;
		2254
		2255	$self->in_memory (cf::MAP_SWAPPED);
		2256
		2257	# need to save uniques path
		2258	unless ($self->{deny_save}) {
		2259	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2260
		2261	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2262	if $uniq;
		2263	}
1581		2264
1582	delete $cf::MAP{$self->path};	2265	delete $cf::MAP{$self->path};
1583		2266
		2267	$self->deactivate;
1584	$_->clear_links_to ($self) for values %cf::MAP;	2268	$_->clear_links_to ($self) for values %cf::MAP;
		2269	$self->clear;
1585		2270
1586	$self->unlink_save;	2271	$self->unlink_save;
1587	$self->destroy;	2272	$self->destroy;
1588	}	2273	}
1589		2274
1590	my $nuke_counter = "aaaa";	2275	my $nuke_counter = "aaaa";
1591		2276
1592	sub nuke {	2277	sub nuke {
1593	my ($self) = @_;	2278	my ($self) = @_;
1594		2279
		2280	{
		2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2282
		2283	delete $cf::MAP{$self->path};
		2284
		2285	$self->unlink_save;
		2286
		2287	bless $self, "cf::map";
		2288	delete $self->{deny_reset};
1595	$self->{deny_save} = 1;	2289	$self->{deny_save} = 1;
1596	$self->reset_timeout (1);	2290	$self->reset_timeout (1);
1597	$self->rename ("{nuke}/" . ($nuke_counter++));	2291	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2292
		2293	$cf::MAP{$self->path} = $self;
		2294	}
		2295
1598	$self->reset; # polite request, might not happen	2296	$self->reset; # polite request, might not happen
1599	}	2297	}
1600		2298
1601	sub customise_for {	2299	=item $maps = cf::map::tmp_maps
1602	my ($map, $ob) = @_;
1603		2300
1604	if ($map->per_player) {	2301	Returns an arrayref with all map paths of currently instantiated and saved
1605	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2302	maps. May block.
		2303
		2304	=cut
		2305
		2306	sub tmp_maps() {
1606	}	2307	[
		2308	map {
		2309	utf8::decode $_;
		2310	/\.map$/
		2311	? normalise $_
		2312	: ()
		2313	} @{ aio_readdir $TMPDIR or [] }
		2314	]
		2315	}
1607		2316
1608	$map	2317	=item $maps = cf::map::random_maps
		2318
		2319	Returns an arrayref with all map paths of currently instantiated and saved
		2320	random maps. May block.
		2321
		2322	=cut
		2323
		2324	sub random_maps() {
		2325	[
		2326	map {
		2327	utf8::decode $_;
		2328	/\.map$/
		2329	? normalise "?random/$_"
		2330	: ()
		2331	} @{ aio_readdir $RANDOMDIR or [] }
		2332	]
1609	}	2333	}
1610		2334
1611	=item cf::map::unique_maps	2335	=item cf::map::unique_maps
1612		2336
1613	Returns an arrayref of cf::path's of all shared maps that have	2337	Returns an arrayref of paths of all shared maps that have
1614	instantiated unique items. May block.	2338	instantiated unique items. May block.
1615		2339
1616	=cut	2340	=cut
1617		2341
1618	sub unique_maps() {	2342	sub unique_maps() {
1619	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2343	[
1620	or return;	2344	map {
1621
1622	my @paths;
1623
1624	for (@$files) {
1625	utf8::decode $_;	2345	utf8::decode $_;
1626	next if /\.pst$/;	2346	s/\.map$//; # TODO future compatibility hack
1627	next unless /^$PATH_SEP/o;	2347	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1628		2348	? ()
1629	push @paths, new cf::path $_;	2349	: normalise $_
		2350	} @{ aio_readdir $UNIQUEDIR or [] }
1630	}	2351	]
1631
1632	\@paths
1633	}	2352	}
1634
1635	package cf;
1636		2353
1637	=back	2354	=back
1638		2355
1639	=head3 cf::object	2356	=head3 cf::object
1640		2357
…		…
1644		2361
1645	=over 4	2362	=over 4
1646		2363
1647	=item $ob->inv_recursive	2364	=item $ob->inv_recursive
1648		2365
1649	Returns the inventory of the object _and_ their inventories, recursively.	2366	Returns the inventory of the object I<and> their inventories, recursively,
		2367	but I<not> the object itself.
1650		2368
1651	=cut	2369	=cut
1652		2370
1653	sub inv_recursive_;	2371	sub inv_recursive_;
1654	sub inv_recursive_ {	2372	sub inv_recursive_ {
…		…
1657		2375
1658	sub inv_recursive {	2376	sub inv_recursive {
1659	inv_recursive_ inv $_[0]	2377	inv_recursive_ inv $_[0]
1660	}	2378	}
1661		2379
		2380	=item $ref = $ob->ref
		2381
		2382	Creates and returns a persistent reference to an object that can be stored as a string.
		2383
		2384	=item $ob = cf::object::deref ($refstring)
		2385
		2386	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2387	even if the object actually exists. May block.
		2388
		2389	=cut
		2390
		2391	sub deref {
		2392	my ($ref) = @_;
		2393
		2394	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2395	my ($uuid, $name) = ($1, $2);
		2396	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2397	or return;
		2398	$pl->ob->uuid eq $uuid
		2399	or return;
		2400
		2401	$pl->ob
		2402	} else {
		2403	warn "$ref: cannot resolve object reference\n";
		2404	undef
		2405	}
		2406	}
		2407
1662	package cf;	2408	package cf;
1663		2409
1664	=back	2410	=back
1665		2411
1666	=head3 cf::object::player	2412	=head3 cf::object::player
…		…
1672	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2418	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1673	can be C<undef>. Does the right thing when the player is currently in a	2419	can be C<undef>. Does the right thing when the player is currently in a
1674	dialogue with the given NPC character.	2420	dialogue with the given NPC character.
1675		2421
1676	=cut	2422	=cut
		2423
		2424	our $SAY_CHANNEL = {
		2425	id => "say",
		2426	title => "Map",
		2427	reply => "say ",
		2428	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2429	};
		2430
		2431	our $CHAT_CHANNEL = {
		2432	id => "chat",
		2433	title => "Chat",
		2434	reply => "chat ",
		2435	tooltip => "Player chat and shouts, global to the server.",
		2436	};
1677		2437
1678	# rough implementation of a future "reply" method that works	2438	# rough implementation of a future "reply" method that works
1679	# with dialog boxes.	2439	# with dialog boxes.
1680	#TODO: the first argument must go, split into a $npc->reply_to ( method	2440	#TODO: the first argument must go, split into a $npc->reply_to ( method
1681	sub cf::object::player::reply($$$;$) {	2441	sub cf::object::player::reply($$$;$) {
…		…
1683		2443
1684	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2444	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1685		2445
1686	if ($self->{record_replies}) {	2446	if ($self->{record_replies}) {
1687	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2447	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2448
1688	} else {	2449	} else {
		2450	my $pl = $self->contr;
		2451
		2452	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2453	my $dialog = $pl->{npc_dialog};
		2454	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2455
		2456	} else {
1689	$msg = $npc->name . " says: $msg" if $npc;	2457	$msg = $npc->name . " says: $msg" if $npc;
1690	$self->message ($msg, $flags);	2458	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2459	}
1691	}	2460	}
		2461	}
		2462
		2463	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2464
		2465	=cut
		2466
		2467	sub cf::object::send_msg {
		2468	my $pl = shift->contr
		2469	or return;
		2470	$pl->send_msg (@_);
1692	}	2471	}
1693		2472
1694	=item $player_object->may ("access")	2473	=item $player_object->may ("access")
1695		2474
1696	Returns wether the given player is authorized to access resource "access"	2475	Returns wether the given player is authorized to access resource "access"
…		…
1709		2488
1710	=item $player_object->enter_link	2489	=item $player_object->enter_link
1711		2490
1712	Freezes the player and moves him/her to a special map (C<{link}>).	2491	Freezes the player and moves him/her to a special map (C<{link}>).
1713		2492
1714	The player should be reaosnably safe there for short amounts of time. You	2493	The player should be reasonably safe there for short amounts of time (e.g.
1715	I<MUST> call C<leave_link> as soon as possible, though.	2494	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2495	though, as the palyer cannot control the character while it is on the link
		2496	map.
		2497
		2498	Will never block.
1716		2499
1717	=item $player_object->leave_link ($map, $x, $y)	2500	=item $player_object->leave_link ($map, $x, $y)
1718		2501
1719	Moves the player out of the specila link map onto the given map. If the	2502	Moves the player out of the special C<{link}> map onto the specified
1720	map is not valid (or omitted), the player will be moved back to the	2503	map. If the map is not valid (or omitted), the player will be moved back
1721	location he/she was before the call to C<enter_link>, or, if that fails,	2504	to the location he/she was before the call to C<enter_link>, or, if that
1722	to the emergency map position.	2505	fails, to the emergency map position.
1723		2506
1724	Might block.	2507	Might block.
1725		2508
1726	=cut	2509	=cut
		2510
		2511	sub link_map {
		2512	unless ($LINK_MAP) {
		2513	$LINK_MAP = cf::map::find "{link}"
		2514	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2515	$LINK_MAP->load;
		2516	}
		2517
		2518	$LINK_MAP
		2519	}
1727		2520
1728	sub cf::object::player::enter_link {	2521	sub cf::object::player::enter_link {
1729	my ($self) = @_;	2522	my ($self) = @_;
1730		2523
1731	$self->deactivate_recursive;	2524	$self->deactivate_recursive;
1732		2525
1733	return if $self->map == $LINK_MAP;	2526	return if UNIVERSAL::isa $self->map, "ext::map_link";
1734		2527
1735	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2528	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1736	if $self->map;	2529	if $self->map && $self->map->{path} ne "{link}";
1737		2530
1738	$self->enter_map ($LINK_MAP, 20, 20);	2531	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1739	}	2532	}
1740		2533
1741	sub cf::object::player::leave_link {	2534	sub cf::object::player::leave_link {
1742	my ($self, $map, $x, $y) = @_;	2535	my ($self, $map, $x, $y) = @_;
		2536
		2537	return unless $self->contr->active;
1743		2538
1744	my $link_pos = delete $self->{_link_pos};	2539	my $link_pos = delete $self->{_link_pos};
1745		2540
1746	unless ($map) {	2541	unless ($map) {
1747	# restore original map position	2542	# restore original map position
…		…
1761	# use -1 or undef as default coordinates, not 0, 0	2556	# use -1 or undef as default coordinates, not 0, 0
1762	($x, $y) = ($map->enter_x, $map->enter_y)	2557	($x, $y) = ($map->enter_x, $map->enter_y)
1763	if $x <=0 && $y <= 0;	2558	if $x <=0 && $y <= 0;
1764		2559
1765	$map->load;	2560	$map->load;
1766	$map->load_diag;	2561	$map->load_neighbours;
1767		2562
1768	return unless $self->contr->active;	2563	return unless $self->contr->active;
		2564	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1769	$self->activate_recursive;	2565	$self->activate_recursive;
		2566
		2567	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1770	$self->enter_map ($map, $x, $y);	2568	$self->enter_map ($map, $x, $y);
1771	}	2569	}
1772		2570
1773	cf::player->attach (	2571	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1774	on_logout => sub {
1775	my ($pl) = @_;
1776		2572
1777	# abort map switching before logout	2573	Moves the player to the given map-path and coordinates by first freezing
1778	if ($pl->ob->{_link_pos}) {	2574	her, loading and preparing them map, calling the provided $check callback
1779	cf::sync_job {	2575	that has to return the map if sucecssful, and then unfreezes the player on
1780	$pl->ob->leave_link	2576	the new (success) or old (failed) map position. In either case, $done will
1781	};	2577	be called at the end of this process.
1782	}
1783	},
1784	on_login => sub {
1785	my ($pl) = @_;
1786		2578
1787	# try to abort aborted map switching on player login :)	2579	Note that $check will be called with a potentially non-loaded map, so if
1788	# should happen only on crashes	2580	it needs a loaded map it has to call C<< ->load >>.
1789	if ($pl->ob->{_link_pos}) {
1790	$pl->ob->enter_link;
1791	(async {
1792	# we need this sleep as the login has a concurrent enter_exit running
1793	# and this sleep increases chances of the player not ending up in scorn
1794	$pl->ob->reply (undef,
1795	"There was an internal problem at your last logout, "
1796	. "the server will try to bring you to your intended destination in a second.",
1797	cf::NDI_RED);
1798	Coro::Timer::sleep 1;
1799	$pl->ob->leave_link;
1800	})->prio (2);
1801	}
1802	},
1803	);
1804		2581
1805	=item $player_object->goto ($path, $x, $y)
1806
1807	=cut	2582	=cut
		2583
		2584	our $GOTOGEN;
1808		2585
1809	sub cf::object::player::goto {	2586	sub cf::object::player::goto {
1810	my ($self, $path, $x, $y) = @_;	2587	my ($self, $path, $x, $y, $check, $done) = @_;
1811		2588
1812	$path = new cf::path $path;	2589	# do generation counting so two concurrent goto's will be executed in-order
		2590	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1813		2591
1814	$self->enter_link;	2592	$self->enter_link;
1815		2593
1816	(async {	2594	(async {
1817	my $map = cf::map::find $path->as_string;	2595	$Coro::current->{desc} = "player::goto $path $x $y";
		2596
		2597	# *tag paths override both path and x|y
		2598	if ($path =~ /^\*(.*)$/) {
		2599	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2600	my $ob = $obs[rand @obs];
		2601
		2602	# see if we actually can go there
		2603	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2604	$ob = $obs[rand @obs];
		2605	} else {
		2606	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2607	}
		2608	# else put us there anyways for now #d#
		2609
		2610	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2611	} else {
		2612	($path, $x, $y) = (undef, undef, undef);
		2613	}
		2614	}
		2615
		2616	my $map = eval {
		2617	my $map = defined $path ? cf::map::find $path : undef;
		2618
		2619	if ($map) {
1818	$map = $map->customise_for ($self) if $map;	2620	$map = $map->customise_for ($self);
1819		2621	$map = $check->($map) if $check && $map;
1820	# warn "entering ", $map->path, " at ($x, $y)\n"	2622	} else {
1821	# if $map;
1822
1823	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2623	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2624	}
1824		2625
		2626	$map
		2627	};
		2628
		2629	if ($@) {
		2630	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2631	LOG llevError | logBacktrace, Carp::longmess $@;
		2632	}
		2633
		2634	if ($gen == $self->{_goto_generation}) {
		2635	delete $self->{_goto_generation};
1825	$self->leave_link ($map, $x, $y);	2636	$self->leave_link ($map, $x, $y);
		2637	}
		2638
		2639	$done->() if $done;
1826	})->prio (1);	2640	})->prio (1);
1827	}	2641	}
1828		2642
1829	=item $player_object->enter_exit ($exit_object)	2643	=item $player_object->enter_exit ($exit_object)
1830		2644
…		…
1832		2646
1833	sub parse_random_map_params {	2647	sub parse_random_map_params {
1834	my ($spec) = @_;	2648	my ($spec) = @_;
1835		2649
1836	my $rmp = { # defaults	2650	my $rmp = { # defaults
1837	xsize => 10,	2651	xsize => (cf::rndm 15, 40),
1838	ysize => 10,	2652	ysize => (cf::rndm 15, 40),
		2653	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2654	#layout => string,
1839	};	2655	};
1840		2656
1841	for (split /\n/, $spec) {	2657	for (split /\n/, $spec) {
1842	my ($k, $v) = split /\s+/, $_, 2;	2658	my ($k, $v) = split /\s+/, $_, 2;
1843		2659
…		…
1855	# that depends on the exit object	2671	# that depends on the exit object
1856		2672
1857	my $rmp = parse_random_map_params $exit->msg;	2673	my $rmp = parse_random_map_params $exit->msg;
1858		2674
1859	if ($exit->map) {	2675	if ($exit->map) {
1860	$rmp->{region} = $exit->map->region_name;	2676	$rmp->{region} = $exit->region->name;
1861	$rmp->{origin_map} = $exit->map->path;	2677	$rmp->{origin_map} = $exit->map->path;
1862	$rmp->{origin_x} = $exit->x;	2678	$rmp->{origin_x} = $exit->x;
1863	$rmp->{origin_y} = $exit->y;	2679	$rmp->{origin_y} = $exit->y;
		2680
		2681	$exit->map->touch;
1864	}	2682	}
1865		2683
1866	$rmp->{random_seed} ||= $exit->random_seed;	2684	$rmp->{random_seed} ||= $exit->random_seed;
1867		2685
1868	my $data = cf::to_json $rmp;	2686	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1869	my $md5 = Digest::MD5::md5_hex $data;	2687	my $md5 = Digest::MD5::md5_hex $data;
		2688	my $meta = "$RANDOMDIR/$md5.meta";
1870		2689
1871	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2690	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1872	aio_write $fh, 0, (length $data), $data, 0;	2691	aio_write $fh, 0, (length $data), $data, 0;
		2692	undef $fh;
		2693	aio_rename "$meta~", $meta;
1873		2694
		2695	my $slaying = "?random/$md5";
		2696
		2697	if ($exit->valid) {
1874	$exit->slaying ("?random/$md5");	2698	$exit->slaying ("?random/$md5");
1875	$exit->msg (undef);	2699	$exit->msg (undef);
		2700	}
1876	}	2701	}
1877	}	2702	}
1878		2703
1879	sub cf::object::player::enter_exit {	2704	sub cf::object::player::enter_exit {
1880	my ($self, $exit) = @_;	2705	my ($self, $exit) = @_;
…		…
1882	return unless $self->type == cf::PLAYER;	2707	return unless $self->type == cf::PLAYER;
1883		2708
1884	$self->enter_link;	2709	$self->enter_link;
1885		2710
1886	(async {	2711	(async {
1887	$self->deactivate_recursive; # just to be sure	2712	$Coro::current->{desc} = "enter_exit";
		2713
1888	unless (eval {	2714	unless (eval {
		2715	$self->deactivate_recursive; # just to be sure
		2716
		2717	# random map handling
		2718	{
		2719	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2720
1889	prepare_random_map $exit	2721	prepare_random_map $exit
1890	if $exit->slaying eq "/!";	2722	if $exit->slaying eq "/!";
		2723	}
1891		2724
1892	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2725	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1893	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2726	my $x = $exit->stats->hp;
		2727	my $y = $exit->stats->sp;
1894		2728
		2729	$self->goto ($map, $x, $y);
		2730
		2731	# if exit is damned, update players death & WoR home-position
		2732	$self->contr->savebed ($map, $x, $y)
		2733	if $exit->flag (cf::FLAG_DAMNED);
		2734
1895	1;	2735	1
1896	}) {	2736	}) {
1897	$self->message ("Something went wrong deep within the crossfire server. "	2737	$self->message ("Something went wrong deep within the deliantra server. "
1898	. "I'll try to bring you back to the map you were before. "	2738	. "I'll try to bring you back to the map you were before. "
1899	. "Please report this to the dungeon master!",	2739	. "Please report this to the dungeon master!",
1900	cf::NDI_UNIQUE | cf::NDI_RED);	2740	cf::NDI_UNIQUE | cf::NDI_RED);
1901		2741
1902	warn "ERROR in enter_exit: $@";	2742	warn "ERROR in enter_exit: $@";
1903	$self->leave_link;	2743	$self->leave_link;
1904	}	2744	}
1905	})->prio (1);	2745	})->prio (1);
…		…
1918		2758
1919	sub cf::client::send_drawinfo {	2759	sub cf::client::send_drawinfo {
1920	my ($self, $text, $flags) = @_;	2760	my ($self, $text, $flags) = @_;
1921		2761
1922	utf8::encode $text;	2762	utf8::encode $text;
1923	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2763	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1924	}	2764	}
1925		2765
		2766	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2767
		2768	Send a drawinfo or msg packet to the client, formatting the msg for the
		2769	client if neccessary. C<$type> should be a string identifying the type of
		2770	the message, with C<log> being the default. If C<$color> is negative, suppress
		2771	the message unless the client supports the msg packet.
		2772
		2773	=cut
		2774
		2775	# non-persistent channels (usually the info channel)
		2776	our %CHANNEL = (
		2777	"c/identify" => {
		2778	id => "infobox",
		2779	title => "Identify",
		2780	reply => undef,
		2781	tooltip => "Items recently identified",
		2782	},
		2783	"c/examine" => {
		2784	id => "infobox",
		2785	title => "Examine",
		2786	reply => undef,
		2787	tooltip => "Signs and other items you examined",
		2788	},
		2789	"c/book" => {
		2790	id => "infobox",
		2791	title => "Book",
		2792	reply => undef,
		2793	tooltip => "The contents of a note or book",
		2794	},
		2795	"c/lookat" => {
		2796	id => "infobox",
		2797	title => "Look",
		2798	reply => undef,
		2799	tooltip => "What you saw there",
		2800	},
		2801	"c/who" => {
		2802	id => "infobox",
		2803	title => "Players",
		2804	reply => undef,
		2805	tooltip => "Shows players who are currently online",
		2806	},
		2807	"c/body" => {
		2808	id => "infobox",
		2809	title => "Body Parts",
		2810	reply => undef,
		2811	tooltip => "Shows which body parts you posess and are available",
		2812	},
		2813	"c/skills" => {
		2814	id => "infobox",
		2815	title => "Skills",
		2816	reply => undef,
		2817	tooltip => "Shows your experience per skill and item power",
		2818	},
		2819	"c/uptime" => {
		2820	id => "infobox",
		2821	title => "Uptime",
		2822	reply => undef,
		2823	tooltip => "How long the server has been running since last restart",
		2824	},
		2825	"c/mapinfo" => {
		2826	id => "infobox",
		2827	title => "Map Info",
		2828	reply => undef,
		2829	tooltip => "Information related to the maps",
		2830	},
		2831	"c/party" => {
		2832	id => "party",
		2833	title => "Party",
		2834	reply => "gsay ",
		2835	tooltip => "Messages and chat related to your party",
		2836	},
		2837	);
		2838
		2839	sub cf::client::send_msg {
		2840	my ($self, $channel, $msg, $color, @extra) = @_;
		2841
		2842	$msg = $self->pl->expand_cfpod ($msg)
		2843	unless $color & cf::NDI_VERBATIM;
		2844
		2845	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2846
		2847	# check predefined channels, for the benefit of C
		2848	if ($CHANNEL{$channel}) {
		2849	$channel = $CHANNEL{$channel};
		2850
		2851	$self->ext_msg (channel_info => $channel)
		2852	if $self->can_msg;
		2853
		2854	$channel = $channel->{id};
		2855
		2856	} elsif (ref $channel) {
		2857	# send meta info to client, if not yet sent
		2858	unless (exists $self->{channel}{$channel->{id}}) {
		2859	$self->{channel}{$channel->{id}} = $channel;
		2860	$self->ext_msg (channel_info => $channel)
		2861	if $self->can_msg;
		2862	}
		2863
		2864	$channel = $channel->{id};
		2865	}
		2866
		2867	return unless @extra || length $msg;
		2868
		2869	if ($self->can_msg) {
		2870	# default colour, mask it out
		2871	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2872	if $color & cf::NDI_DEF;
		2873
		2874	my $pkt = "msg "
		2875	. $self->{json_coder}->encode (
		2876	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2877	);
		2878
		2879	# try lzf for large packets
		2880	$pkt = "lzf " . Compress::LZF::compress $pkt
		2881	if 1024 <= length $pkt and $self->{can_lzf};
		2882
		2883	# split very large packets
		2884	if (8192 < length $pkt and $self->{can_lzf}) {
		2885	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2886	$pkt = "frag";
		2887	}
		2888
		2889	$self->send_packet ($pkt);
		2890	} else {
		2891	if ($color >= 0) {
		2892	# replace some tags by gcfclient-compatible ones
		2893	for ($msg) {
		2894	1 while
		2895	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2896	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2897	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2898	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2899	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2900	}
		2901
		2902	$color &= cf::NDI_COLOR_MASK;
		2903
		2904	utf8::encode $msg;
		2905
		2906	if (0 && $msg =~ /\[/) {
		2907	# COMMAND/INFO
		2908	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2909	} else {
		2910	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2911	$self->send_packet ("drawinfo $color $msg")
		2912	}
		2913	}
		2914	}
		2915	}
		2916
		2917	=item $client->ext_msg ($type, @msg)
		2918
		2919	Sends an ext event to the client.
		2920
		2921	=cut
		2922
		2923	sub cf::client::ext_msg($$@) {
		2924	my ($self, $type, @msg) = @_;
		2925
		2926	if ($self->extcmd == 2) {
		2927	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2928	} elsif ($self->extcmd == 1) { # TODO: remove
		2929	push @msg, msgtype => "event_$type";
		2930	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2931	}
		2932	}
		2933
		2934	=item $client->ext_reply ($msgid, @msg)
		2935
		2936	Sends an ext reply to the client.
		2937
		2938	=cut
		2939
		2940	sub cf::client::ext_reply($$@) {
		2941	my ($self, $id, @msg) = @_;
		2942
		2943	if ($self->extcmd == 2) {
		2944	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2945	} elsif ($self->extcmd == 1) {
		2946	#TODO: version 1, remove
		2947	unshift @msg, msgtype => "reply", msgid => $id;
		2948	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2949	}
		2950	}
1926		2951
1927	=item $success = $client->query ($flags, "text", \&cb)	2952	=item $success = $client->query ($flags, "text", \&cb)
1928		2953
1929	Queues a query to the client, calling the given callback with	2954	Queues a query to the client, calling the given callback with
1930	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2955	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1931	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2956	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1932		2957
1933	Queries can fail, so check the return code. Or don't, as queries will become	2958	Queries can fail, so check the return code. Or don't, as queries will
1934	reliable at some point in the future.	2959	become reliable at some point in the future.
1935		2960
1936	=cut	2961	=cut
1937		2962
1938	sub cf::client::query {	2963	sub cf::client::query {
1939	my ($self, $flags, $text, $cb) = @_;	2964	my ($self, $flags, $text, $cb) = @_;
…		…
1947	utf8::encode $text;	2972	utf8::encode $text;
1948	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2973	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1949		2974
1950	$self->send_packet ($self->{query_queue}[0][0])	2975	$self->send_packet ($self->{query_queue}[0][0])
1951	if @{ $self->{query_queue} } == 1;	2976	if @{ $self->{query_queue} } == 1;
		2977
		2978	1
1952	}	2979	}
1953		2980
1954	cf::client->attach (	2981	cf::client->attach (
		2982	on_connect => sub {
		2983	my ($ns) = @_;
		2984
		2985	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2986	},
1955	on_reply => sub {	2987	on_reply => sub {
1956	my ($ns, $msg) = @_;	2988	my ($ns, $msg) = @_;
1957		2989
1958	# this weird shuffling is so that direct followup queries	2990	# this weird shuffling is so that direct followup queries
1959	# get handled first	2991	# get handled first
1960	my $queue = delete $ns->{query_queue}	2992	my $queue = delete $ns->{query_queue}
1961	or return; # be conservative, not sure how that can happen, but we saw a crash here	2993	or return; # be conservative, not sure how that can happen, but we saw a crash here
1962		2994
1963	(shift @$queue)->[1]->($msg);	2995	(shift @$queue)->[1]->($msg);
		2996	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1964		2997
1965	push @{ $ns->{query_queue} }, @$queue;	2998	push @{ $ns->{query_queue} }, @$queue;
1966		2999
1967	if (@{ $ns->{query_queue} } == @$queue) {	3000	if (@{ $ns->{query_queue} } == @$queue) {
1968	if (@$queue) {	3001	if (@$queue) {
…		…
1970	} else {	3003	} else {
1971	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3004	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1972	}	3005	}
1973	}	3006	}
1974	},	3007	},
		3008	on_exticmd => sub {
		3009	my ($ns, $buf) = @_;
		3010
		3011	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3012
		3013	if (ref $msg) {
		3014	my ($type, $reply, @payload) =
		3015	"ARRAY" eq ref $msg
		3016	? @$msg
		3017	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3018
		3019	my @reply;
		3020
		3021	if (my $cb = $EXTICMD{$type}) {
		3022	@reply = $cb->($ns, @payload);
		3023	}
		3024
		3025	$ns->ext_reply ($reply, @reply)
		3026	if $reply;
		3027
		3028	} else {
		3029	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3030	}
		3031
		3032	cf::override;
		3033	},
1975	);	3034	);
1976		3035
1977	=item $client->async (\&cb)	3036	=item $client->async (\&cb)
1978		3037
1979	Create a new coroutine, running the specified callback. The coroutine will	3038	Create a new coroutine, running the specified callback. The coroutine will
…		…
2020	our $safe = new Safe "safe";	3079	our $safe = new Safe "safe";
2021	our $safe_hole = new Safe::Hole;	3080	our $safe_hole = new Safe::Hole;
2022		3081
2023	$SIG{FPE} = 'IGNORE';	3082	$SIG{FPE} = 'IGNORE';
2024		3083
2025	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3084	$safe->permit_only (Opcode::opset qw(
		3085	:base_core :base_mem :base_orig :base_math
		3086	grepstart grepwhile mapstart mapwhile
		3087	sort time
		3088	));
2026		3089
2027	# here we export the classes and methods available to script code	3090	# here we export the classes and methods available to script code
2028		3091
2029	=pod	3092	=pod
2030		3093
2031	The following fucntions and emthods are available within a safe environment:	3094	The following functions and methods are available within a safe environment:
2032		3095
2033	cf::object contr pay_amount pay_player map	3096	cf::object
		3097	contr pay_amount pay_player map x y force_find force_add destroy
		3098	insert remove name archname title slaying race decrease split
		3099
2034	cf::object::player player	3100	cf::object::player
2035	cf::player peaceful	3101	player
2036	cf::map trigger	3102
		3103	cf::player
		3104	peaceful
		3105
		3106	cf::map
		3107	trigger
2037		3108
2038	=cut	3109	=cut
2039		3110
2040	for (	3111	for (
2041	["cf::object" => qw(contr pay_amount pay_player map)],	3112	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3113	insert remove inv nrof name archname title slaying race
		3114	decrease split destroy change_exp)],
2042	["cf::object::player" => qw(player)],	3115	["cf::object::player" => qw(player)],
2043	["cf::player" => qw(peaceful)],	3116	["cf::player" => qw(peaceful)],
2044	["cf::map" => qw(trigger)],	3117	["cf::map" => qw(trigger)],
2045	) {	3118	) {
2046	no strict 'refs';	3119	no strict 'refs';
…		…
2117	=back	3190	=back
2118		3191
2119	=cut	3192	=cut
2120		3193
2121	#############################################################################	3194	#############################################################################
		3195	# the server's init and main functions
2122		3196
2123	=head2 EXTENSION DATABASE SUPPORT	3197	sub load_facedata($) {
		3198	my ($path) = @_;
2124		3199
2125	Crossfire maintains a very simple database for extension use. It can	3200	# HACK to clear player env face cache, we need some signal framework
2126	currently store anything that can be serialised using Storable, which	3201	# for this (global event?)
2127	excludes objects.	3202	%ext::player_env::MUSIC_FACE_CACHE = ();
2128		3203
2129	The parameter C<$family> should best start with the name of the extension	3204	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2130	using it, it should be unique.
2131		3205
2132	=over 4	3206	warn "loading facedata from $path\n";
2133		3207
2134	=item $hashref = cf::db_get $family	3208	my $facedata;
		3209	0 < aio_load $path, $facedata
		3210	or die "$path: $!";
2135		3211
2136	Return a hashref for use by the extension C<$family>, which can be	3212	$facedata = Coro::Storable::thaw $facedata;
2137	modified. After modifications, you have to call C<cf::db_dirty> or
2138	C<cf::db_sync>.
2139		3213
2140	=item $value = cf::db_get $family => $key	3214	$facedata->{version} == 2
		3215	or cf::cleanup "$path: version mismatch, cannot proceed.";
2141		3216
2142	Returns a single value from the database	3217	# patch in the exptable
2143		3218	$facedata->{resource}{"res/exp_table"} = {
2144	=item cf::db_put $family => $hashref	3219	type => FT_RSRC,
2145		3220	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2146	Stores the given family hashref into the database. Updates are delayed, if
2147	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2148
2149	=item cf::db_put $family => $key => $value
2150
2151	Stores the given C<$value> in the family hash. Updates are delayed, if you
2152	want the data to be synced to disk immediately, use C<cf::db_sync>.
2153
2154	=item cf::db_dirty
2155
2156	Marks the database as dirty, to be updated at a later time.
2157
2158	=item cf::db_sync
2159
2160	Immediately write the database to disk I<if it is dirty>.
2161
2162	=cut
2163
2164	our $DB;
2165
2166	{
2167	my $path = cf::localdir . "/database.pst";
2168
2169	sub db_load() {
2170	$DB = stat $path ? Storable::retrieve $path : { };
2171	}
2172
2173	my $pid;
2174
2175	sub db_save() {
2176	waitpid $pid, 0 if $pid;
2177	if (0 == ($pid = fork)) {
2178	$DB->{_meta}{version} = 1;
2179	Storable::nstore $DB, "$path~";
2180	rename "$path~", $path;
2181	cf::_exit 0 if defined $pid;
2182	}
2183	}
2184
2185	my $dirty;
2186
2187	sub db_sync() {
2188	db_save if $dirty;
2189	undef $dirty;
2190	}
2191
2192	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2193	db_sync;
2194	});	3221	};
		3222	cf::cede_to_tick;
2195		3223
2196	sub db_dirty() {
2197	$dirty = 1;
2198	$idle->start;
2199	}	3224	{
		3225	my $faces = $facedata->{faceinfo};
2200		3226
2201	sub db_get($;$) {	3227	while (my ($face, $info) = each %$faces) {
2202	@_ >= 2	3228	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2203	? $DB->{$_[0]}{$_[1]}
2204	: ($DB->{$_[0]} ||= { })
2205	}
2206		3229
2207	sub db_put($$;$) {	3230	cf::face::set_visibility $idx, $info->{visibility};
2208	if (@_ >= 3) {	3231	cf::face::set_magicmap $idx, $info->{magicmap};
2209	$DB->{$_[0]}{$_[1]} = $_[2];	3232	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2210	} else {	3233	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2211	$DB->{$_[0]} = $_[1];
2212	}
2213	db_dirty;
2214	}
2215		3234
2216	cf::global->attach (	3235	cf::cede_to_tick;
2217	prio => 10000,
2218	on_cleanup => sub {
2219	db_sync;
2220	},	3236	}
2221	);
2222	}
2223		3237
2224	#############################################################################	3238	while (my ($face, $info) = each %$faces) {
2225	# the server's main()	3239	next unless $info->{smooth};
2226		3240
2227	sub cfg_load {	3241	my $idx = cf::face::find $face
		3242	or next;
		3243
		3244	if (my $smooth = cf::face::find $info->{smooth}) {
		3245	cf::face::set_smooth $idx, $smooth;
		3246	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3247	} else {
		3248	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3249	}
		3250
		3251	cf::cede_to_tick;
		3252	}
		3253	}
		3254
		3255	{
		3256	my $anims = $facedata->{animinfo};
		3257
		3258	while (my ($anim, $info) = each %$anims) {
		3259	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3260	cf::cede_to_tick;
		3261	}
		3262
		3263	cf::anim::invalidate_all; # d'oh
		3264	}
		3265
		3266	{
		3267	# TODO: for gcfclient pleasure, we should give resources
		3268	# that gcfclient doesn't grok a >10000 face index.
		3269	my $res = $facedata->{resource};
		3270
		3271	while (my ($name, $info) = each %$res) {
		3272	if (defined $info->{type}) {
		3273	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3274	my $data;
		3275
		3276	if ($info->{type} & 1) {
		3277	# prepend meta info
		3278
		3279	my $meta = $enc->encode ({
		3280	name => $name,
		3281	%{ $info->{meta} || {} },
		3282	});
		3283
		3284	$data = pack "(w/a*)*", $meta, $info->{data};
		3285	} else {
		3286	$data = $info->{data};
		3287	}
		3288
		3289	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3290	cf::face::set_type $idx, $info->{type};
		3291	} else {
		3292	$RESOURCE{$name} = $info;
		3293	}
		3294
		3295	cf::cede_to_tick;
		3296	}
		3297	}
		3298
		3299	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3300
		3301	1
		3302	}
		3303
		3304	cf::global->attach (on_resource_update => sub {
		3305	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3306	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3307
		3308	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3309	my $sound = $soundconf->{compat}[$_]
		3310	or next;
		3311
		3312	my $face = cf::face::find "sound/$sound->[1]";
		3313	cf::sound::set $sound->[0] => $face;
		3314	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3315	}
		3316
		3317	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3318	my $face = cf::face::find "sound/$v";
		3319	cf::sound::set $k => $face;
		3320	}
		3321	}
		3322	});
		3323
		3324	register_exticmd fx_want => sub {
		3325	my ($ns, $want) = @_;
		3326
		3327	while (my ($k, $v) = each %$want) {
		3328	$ns->fx_want ($k, $v);
		3329	}
		3330	};
		3331
		3332	sub load_resource_file($) {
		3333	my $guard = lock_acquire "load_resource_file";
		3334
		3335	my $status = load_resource_file_ $_[0];
		3336	get_slot 0.1, 100;
		3337	cf::arch::commit_load;
		3338
		3339	$status
		3340	}
		3341
		3342	sub reload_regions {
		3343	# HACK to clear player env face cache, we need some signal framework
		3344	# for this (global event?)
		3345	%ext::player_env::MUSIC_FACE_CACHE = ();
		3346
		3347	load_resource_file "$MAPDIR/regions"
		3348	or die "unable to load regions file\n";
		3349
		3350	for (cf::region::list) {
		3351	$_->{match} = qr/$_->{match}/
		3352	if exists $_->{match};
		3353	}
		3354	}
		3355
		3356	sub reload_facedata {
		3357	load_facedata "$DATADIR/facedata"
		3358	or die "unable to load facedata\n";
		3359	}
		3360
		3361	sub reload_archetypes {
		3362	load_resource_file "$DATADIR/archetypes"
		3363	or die "unable to load archetypes\n";
		3364	}
		3365
		3366	sub reload_treasures {
		3367	load_resource_file "$DATADIR/treasures"
		3368	or die "unable to load treasurelists\n";
		3369	}
		3370
		3371	sub reload_resources {
		3372	warn "reloading resource files...\n";
		3373
		3374	reload_facedata;
		3375	reload_archetypes;
		3376	reload_regions;
		3377	reload_treasures;
		3378
		3379	warn "finished reloading resource files\n";
		3380	}
		3381
		3382	sub reload_config {
2228	open my $fh, "<:utf8", cf::confdir . "/config"	3383	open my $fh, "<:utf8", "$CONFDIR/config"
2229	or return;	3384	or return;
2230		3385
2231	local $/;	3386	local $/;
2232	*CFG = YAML::Syck::Load <$fh>;	3387	*CFG = YAML::Load <$fh>;
2233		3388
2234	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3389	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2235		3390
2236	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3391	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2237	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3392	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2243	};	3398	};
2244	warn $@ if $@;	3399	warn $@ if $@;
2245	}	3400	}
2246	}	3401	}
2247		3402
		3403	sub pidfile() {
		3404	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3405	or die "$PIDFILE: $!";
		3406	flock $fh, &Fcntl::LOCK_EX
		3407	or die "$PIDFILE: flock: $!";
		3408	$fh
		3409	}
		3410
		3411	# make sure only one server instance is running at any one time
		3412	sub atomic {
		3413	my $fh = pidfile;
		3414
		3415	my $pid = <$fh>;
		3416	kill 9, $pid if $pid > 0;
		3417
		3418	seek $fh, 0, 0;
		3419	print $fh $$;
		3420	}
		3421
2248	sub main {	3422	sub main {
		3423	cf::init_globals; # initialise logging
		3424
		3425	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3426	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3427	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3428	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3429
		3430	cf::init_experience;
		3431	cf::init_anim;
		3432	cf::init_attackmess;
		3433	cf::init_dynamic;
		3434	cf::init_block;
		3435
		3436	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3437
2249	# we must not ever block the main coroutine	3438	# we must not ever block the main coroutine
2250	local $Coro::idle = sub {	3439	local $Coro::idle = sub {
2251	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3440	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2252	async { Event::one_event };	3441	(async {
		3442	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3443	EV::loop EV::LOOP_ONESHOT;
		3444	})->prio (Coro::PRIO_MAX);
2253	};	3445	};
2254		3446
2255	cfg_load;	3447	evthread_start IO::AIO::poll_fileno;
2256	db_load;	3448
		3449	cf::sync_job {
		3450	reload_resources;
		3451	reload_config;
		3452	db_init;
		3453
		3454	cf::load_settings;
		3455	cf::load_materials;
		3456	cf::init_uuid;
		3457	cf::init_signals;
		3458	cf::init_commands;
		3459	cf::init_skills;
		3460
		3461	cf::init_beforeplay;
		3462
		3463	atomic;
		3464
2257	load_extensions;	3465	load_extensions;
		3466
		3467	utime time, time, $RUNTIMEFILE;
		3468
		3469	# no (long-running) fork's whatsoever before this point(!)
		3470	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3471
		3472	(pop @POST_INIT)->(0) while @POST_INIT;
		3473	};
		3474
2258	Event::loop;	3475	EV::loop;
2259	}	3476	}
2260		3477
2261	#############################################################################	3478	#############################################################################
2262	# initialisation and cleanup	3479	# initialisation and cleanup
2263		3480
2264	# install some emergency cleanup handlers	3481	# install some emergency cleanup handlers
2265	BEGIN {	3482	BEGIN {
		3483	our %SIGWATCHER = ();
2266	for my $signal (qw(INT HUP TERM)) {	3484	for my $signal (qw(INT HUP TERM)) {
2267	Event->signal (	3485	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2268	data => WF_AUTOCANCEL,
2269	signal => $signal,
2270	cb => sub {
2271	cf::cleanup "SIG$signal";	3486	cf::cleanup "SIG$signal";
2272	},
2273	);	3487	};
		3488	}
		3489	}
		3490
		3491	sub write_runtime_sync {
		3492	# first touch the runtime file to show we are still running:
		3493	# the fsync below can take a very very long time.
		3494
		3495	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3496
		3497	my $guard = cf::lock_acquire "write_runtime";
		3498
		3499	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3500	or return;
		3501
		3502	my $value = $cf::RUNTIME + 90 + 10;
		3503	# 10 is the runtime save interval, for a monotonic clock
		3504	# 60 allows for the watchdog to kill the server.
		3505
		3506	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3507	and return;
		3508
		3509	# always fsync - this file is important
		3510	aio_fsync $fh
		3511	and return;
		3512
		3513	# touch it again to show we are up-to-date
		3514	aio_utime $fh, undef, undef;
		3515
		3516	close $fh
		3517	or return;
		3518
		3519	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3520	and return;
		3521
		3522	warn "runtime file written.\n";
		3523
2274	}	3524	1
		3525	}
		3526
		3527	our $uuid_lock;
		3528	our $uuid_skip;
		3529
		3530	sub write_uuid_sync($) {
		3531	$uuid_skip ||= $_[0];
		3532
		3533	return if $uuid_lock;
		3534	local $uuid_lock = 1;
		3535
		3536	my $uuid = "$LOCALDIR/uuid";
		3537
		3538	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3539	or return;
		3540
		3541	my $value = uuid_seq uuid_cur;
		3542
		3543	unless ($value) {
		3544	warn "cowardly refusing to write zero uuid value!\n";
		3545	return;
		3546	}
		3547
		3548	my $value = uuid_str $value + $uuid_skip;
		3549	$uuid_skip = 0;
		3550
		3551	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3552	and return;
		3553
		3554	# always fsync - this file is important
		3555	aio_fsync $fh
		3556	and return;
		3557
		3558	close $fh
		3559	or return;
		3560
		3561	aio_rename "$uuid~", $uuid
		3562	and return;
		3563
		3564	warn "uuid file written ($value).\n";
		3565
		3566	1
		3567
		3568	}
		3569
		3570	sub write_uuid($$) {
		3571	my ($skip, $sync) = @_;
		3572
		3573	$sync ? write_uuid_sync $skip
		3574	: async { write_uuid_sync $skip };
2275	}	3575	}
2276		3576
2277	sub emergency_save() {	3577	sub emergency_save() {
2278	my $freeze_guard = cf::freeze_mainloop;	3578	my $freeze_guard = cf::freeze_mainloop;
2279		3579
2280	warn "enter emergency perl save\n";	3580	warn "emergency_perl_save: enter\n";
2281		3581
2282	cf::sync_job {	3582	cf::sync_job {
		3583	# this is a trade-off: we want to be very quick here, so
		3584	# save all maps without fsync, and later call a global sync
		3585	# (which in turn might be very very slow)
		3586	local $USE_FSYNC = 0;
		3587
2283	# use a peculiar iteration method to avoid tripping on perl	3588	# use a peculiar iteration method to avoid tripping on perl
2284	# refcount bugs in for. also avoids problems with players	3589	# refcount bugs in for. also avoids problems with players
2285	# and maps saved/Destroyed asynchronously.	3590	# and maps saved/destroyed asynchronously.
2286	warn "begin emergency player save\n";	3591	warn "emergency_perl_save: begin player save\n";
2287	for my $login (keys %cf::PLAYER) {	3592	for my $login (keys %cf::PLAYER) {
2288	my $pl = $cf::PLAYER{$login} or next;	3593	my $pl = $cf::PLAYER{$login} or next;
2289	$pl->valid or next;	3594	$pl->valid or next;
		3595	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2290	$pl->save;	3596	$pl->save;
2291	}	3597	}
2292	warn "end emergency player save\n";	3598	warn "emergency_perl_save: end player save\n";
2293		3599
2294	warn "begin emergency map save\n";	3600	warn "emergency_perl_save: begin map save\n";
2295	for my $path (keys %cf::MAP) {	3601	for my $path (keys %cf::MAP) {
2296	my $map = $cf::MAP{$path} or next;	3602	my $map = $cf::MAP{$path} or next;
2297	$map->valid or next;	3603	$map->valid or next;
2298	$map->save;	3604	$map->save;
2299	}	3605	}
2300	warn "end emergency map save\n";	3606	warn "emergency_perl_save: end map save\n";
		3607
		3608	warn "emergency_perl_save: begin database checkpoint\n";
		3609	BDB::db_env_txn_checkpoint $DB_ENV;
		3610	warn "emergency_perl_save: end database checkpoint\n";
		3611
		3612	warn "emergency_perl_save: begin write uuid\n";
		3613	write_uuid_sync 1;
		3614	warn "emergency_perl_save: end write uuid\n";
2301	};	3615	};
2302		3616
		3617	warn "emergency_perl_save: starting sync()\n";
		3618	IO::AIO::aio_sync sub {
		3619	warn "emergency_perl_save: finished sync()\n";
		3620	};
		3621
2303	warn "leave emergency perl save\n";	3622	warn "emergency_perl_save: leave\n";
2304	}	3623	}
2305		3624
		3625	sub post_cleanup {
		3626	my ($make_core) = @_;
		3627
		3628	warn Carp::longmess "post_cleanup backtrace"
		3629	if $make_core;
		3630
		3631	my $fh = pidfile;
		3632	unlink $PIDFILE if <$fh> == $$;
		3633	}
		3634
		3635	# a safer delete_package, copied from Symbol
		3636	sub clear_package($) {
		3637	my $pkg = shift;
		3638
		3639	# expand to full symbol table name if needed
		3640	unless ($pkg =~ /^main::.*::$/) {
		3641	$pkg = "main$pkg" if $pkg =~ /^::/;
		3642	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3643	$pkg .= '::' unless $pkg =~ /::$/;
		3644	}
		3645
		3646	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3647	my $stem_symtab = *{$stem}{HASH};
		3648
		3649	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3650	or return;
		3651
		3652	# clear all symbols
		3653	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3654	for my $name (keys %$leaf_symtab) {
		3655	_gv_clear *{"$pkg$name"};
		3656	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3657	}
		3658	warn "cleared package $pkg\n";#d#
		3659	}
		3660
2306	sub reload() {	3661	sub do_reload_perl() {
2307	# can/must only be called in main	3662	# can/must only be called in main
2308	if ($Coro::current != $Coro::main) {	3663	if ($Coro::current != $Coro::main) {
2309	warn "can only reload from main coroutine\n";	3664	warn "can only reload from main coroutine";
2310	return;	3665	return;
2311	}	3666	}
2312		3667
		3668	return if $RELOAD++;
		3669
		3670	my $t1 = EV::time;
		3671
		3672	while ($RELOAD) {
2313	warn "reloading...";	3673	warn "reloading...";
2314		3674
2315	warn "freezing server";	3675	warn "entering sync_job";
2316	my $guard = freeze_mainloop;	3676
		3677	cf::sync_job {
		3678	cf::write_runtime_sync; # external watchdog should not bark
2317	cf::emergency_save;	3679	cf::emergency_save;
		3680	cf::write_runtime_sync; # external watchdog should not bark
2318		3681
2319	warn "sync database to disk";	3682	warn "syncing database to disk";
2320	cf::db_sync;	3683	BDB::db_env_txn_checkpoint $DB_ENV;
2321	IO::AIO::flush;
2322		3684
2323	eval {
2324	# if anything goes wrong in here, we should simply crash as we already saved	3685	# if anything goes wrong in here, we should simply crash as we already saved
2325		3686
2326	warn "cancel all watchers";	3687	warn "flushing outstanding aio requests";
2327	for (Event::all_watchers) {	3688	while (IO::AIO::nreqs || BDB::nreqs) {
2328	$_->cancel if $_->data & WF_AUTOCANCEL;	3689	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2329	}
2330
2331	warn "cancel all extension coros";
2332	$_->cancel for values %EXT_CORO;
2333	%EXT_CORO = ();
2334
2335	warn "remove commands";
2336	%COMMAND = ();
2337
2338	warn "remove ext commands";
2339	%EXTCMD = ();
2340
2341	warn "unload/nuke all extensions";
2342	for my $pkg (@EXTS) {
2343	warn "... unloading $pkg";
2344
2345	if (my $cb = $pkg->can ("unload")) {
2346	eval {
2347	$cb->($pkg);
2348	1
2349	} or warn "$pkg unloaded, but with errors: $@";
2350	}	3690	}
2351		3691
		3692	warn "cancelling all extension coros";
		3693	$_->cancel for values %EXT_CORO;
		3694	%EXT_CORO = ();
		3695
		3696	warn "removing commands";
		3697	%COMMAND = ();
		3698
		3699	warn "removing ext/exti commands";
		3700	%EXTCMD = ();
		3701	%EXTICMD = ();
		3702
		3703	warn "unloading/nuking all extensions";
		3704	for my $pkg (@EXTS) {
2352	warn "... nuking $pkg";	3705	warn "... unloading $pkg";
2353	Symbol::delete_package $pkg;
2354	}
2355		3706
2356	warn "unload all perl modules loaded from $LIBDIR";
2357	while (my ($k, $v) = each %INC) {
2358	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2359
2360	warn "removing <$k>";
2361	delete $INC{$k};
2362
2363	$k =~ s/\.pm$//;
2364	$k =~ s/\//::/g;
2365
2366	if (my $cb = $k->can ("unload_module")) {	3707	if (my $cb = $pkg->can ("unload")) {
		3708	eval {
2367	$cb->();	3709	$cb->($pkg);
		3710	1
		3711	} or warn "$pkg unloaded, but with errors: $@";
		3712	}
		3713
		3714	warn "... clearing $pkg";
		3715	clear_package $pkg;
2368	}	3716	}
2369		3717
2370	Symbol::delete_package $k;	3718	warn "unloading all perl modules loaded from $LIBDIR";
		3719	while (my ($k, $v) = each %INC) {
		3720	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3721
		3722	warn "... unloading $k";
		3723	delete $INC{$k};
		3724
		3725	$k =~ s/\.pm$//;
		3726	$k =~ s/\//::/g;
		3727
		3728	if (my $cb = $k->can ("unload_module")) {
		3729	$cb->();
		3730	}
		3731
		3732	clear_package $k;
2371	}	3733	}
2372		3734
2373	warn "get rid of safe::, as good as possible";	3735	warn "getting rid of safe::, as good as possible";
2374	Symbol::delete_package "safe::$_"	3736	clear_package "safe::$_"
2375	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3737	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2376		3738
2377	warn "unload cf.pm \"a bit\"";	3739	warn "unloading cf.pm \"a bit\"";
2378	delete $INC{"cf.pm"};	3740	delete $INC{"cf.pm"};
		3741	delete $INC{"cf/pod.pm"};
2379		3742
2380	# don't, removes xs symbols, too,	3743	# don't, removes xs symbols, too,
2381	# and global variables created in xs	3744	# and global variables created in xs
2382	#Symbol::delete_package __PACKAGE__;	3745	#clear_package __PACKAGE__;
2383		3746
		3747	warn "unload completed, starting to reload now";
		3748
2384	warn "reloading cf.pm";	3749	warn "reloading cf.pm";
2385	require cf;	3750	require cf;
2386	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3751	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2387		3752
2388	warn "load config and database again";	3753	warn "loading config and database again";
2389	cf::cfg_load;	3754	cf::reload_config;
2390	cf::db_load;
2391		3755
2392	warn "load extensions";	3756	warn "loading extensions";
2393	cf::load_extensions;	3757	cf::load_extensions;
2394		3758
		3759	if ($REATTACH_ON_RELOAD) {
2395	warn "reattach attachments to objects/players";	3760	warn "reattaching attachments to objects/players";
2396	_global_reattach;	3761	_global_reattach; # objects, sockets
2397	warn "reattach attachments to maps";	3762	warn "reattaching attachments to maps";
2398	reattach $_ for values %MAP;	3763	reattach $_ for values %MAP;
		3764	warn "reattaching attachments to players";
		3765	reattach $_ for values %PLAYER;
		3766	}
		3767
		3768	warn "running post_init jobs";
		3769	(pop @POST_INIT)->(1) while @POST_INIT;
		3770
		3771	warn "leaving sync_job";
		3772
		3773	1
		3774	} or do {
		3775	warn $@;
		3776	cf::cleanup "error while reloading, exiting.";
		3777	};
		3778
		3779	warn "reloaded";
		3780	--$RELOAD;
		3781	}
		3782
		3783	$t1 = EV::time - $t1;
		3784	warn "reload completed in ${t1}s\n";
		3785	};
		3786
		3787	our $RELOAD_WATCHER; # used only during reload
		3788
		3789	sub reload_perl() {
		3790	# doing reload synchronously and two reloads happen back-to-back,
		3791	# coro crashes during coro_state_free->destroy here.
		3792
		3793	$RELOAD_WATCHER ||= cf::async {
		3794	Coro::AIO::aio_wait cache_extensions;
		3795
		3796	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3797	do_reload_perl;
		3798	undef $RELOAD_WATCHER;
		3799	};
2399	};	3800	};
2400
2401	if ($@) {
2402	warn $@;
2403	warn "error while reloading, exiting.";
2404	exit 1;
2405	}
2406
2407	warn "reloaded";
2408	};
2409
2410	#############################################################################
2411
2412	unless ($LINK_MAP) {
2413	$LINK_MAP = cf::map::new;
2414
2415	$LINK_MAP->width (41);
2416	$LINK_MAP->height (41);
2417	$LINK_MAP->alloc;
2418	$LINK_MAP->path ("{link}");
2419	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2420	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2421
2422	# dirty hack because... archetypes are not yet loaded
2423	Event->timer (
2424	after => 10,
2425	cb => sub {
2426	$_[0]->w->cancel;
2427
2428	# provide some exits "home"
2429	my $exit = cf::object::new "exit";
2430
2431	$exit->slaying ($EMERGENCY_POSITION->[0]);
2432	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2433	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2434
2435	$LINK_MAP->insert ($exit->clone, 19, 19);
2436	$LINK_MAP->insert ($exit->clone, 19, 20);
2437	$LINK_MAP->insert ($exit->clone, 19, 21);
2438	$LINK_MAP->insert ($exit->clone, 20, 19);
2439	$LINK_MAP->insert ($exit->clone, 20, 21);
2440	$LINK_MAP->insert ($exit->clone, 21, 19);
2441	$LINK_MAP->insert ($exit->clone, 21, 20);
2442	$LINK_MAP->insert ($exit->clone, 21, 21);
2443
2444	$exit->destroy;
2445	});
2446
2447	$LINK_MAP->{deny_save} = 1;
2448	$LINK_MAP->{deny_reset} = 1;
2449
2450	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2451	}	3801	}
2452		3802
2453	register_command "reload" => sub {	3803	register_command "reload" => sub {
2454	my ($who, $arg) = @_;	3804	my ($who, $arg) = @_;
2455		3805
2456	if ($who->flag (FLAG_WIZ)) {	3806	if ($who->flag (FLAG_WIZ)) {
2457	$who->message ("start of reload.");
2458	reload;
2459	$who->message ("end of reload.");	3807	$who->message ("reloading server.");
		3808	async {
		3809	$Coro::current->{desc} = "perl_reload";
		3810	reload_perl;
		3811	};
2460	}	3812	}
2461	};	3813	};
2462		3814
2463	unshift @INC, $LIBDIR;	3815	unshift @INC, $LIBDIR;
2464		3816
2465	$TICK_WATCHER = Event->timer (	3817	my $bug_warning = 0;
2466	reentrant => 0,	3818
2467	prio => 0,	3819	our @WAIT_FOR_TICK;
2468	at => $NEXT_TICK || $TICK,	3820	our @WAIT_FOR_TICK_BEGIN;
2469	data => WF_AUTOCANCEL,	3821
2470	cb => sub {	3822	sub wait_for_tick {
		3823	return if tick_inhibit || $Coro::current == $Coro::main;
		3824
		3825	my $signal = new Coro::Signal;
		3826	push @WAIT_FOR_TICK, $signal;
		3827	$signal->wait;
		3828	}
		3829
		3830	sub wait_for_tick_begin {
		3831	return if tick_inhibit || $Coro::current == $Coro::main;
		3832
		3833	my $signal = new Coro::Signal;
		3834	push @WAIT_FOR_TICK_BEGIN, $signal;
		3835	$signal->wait;
		3836	}
		3837
		3838	sub tick {
		3839	if ($Coro::current != $Coro::main) {
		3840	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3841	unless ++$bug_warning > 10;
		3842	return;
		3843	}
		3844
2471	cf::server_tick; # one server iteration	3845	cf::server_tick; # one server iteration
2472	$RUNTIME += $TICK;
2473	$NEXT_TICK += $TICK;
2474		3846
2475	$WAIT_FOR_TICK->broadcast;	3847	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2476	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3848	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2477		3849	Coro::async_pool {
2478	# if we are delayed by four ticks or more, skip them all	3850	$Coro::current->{desc} = "runtime saver";
2479	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2480
2481	$TICK_WATCHER->at ($NEXT_TICK);
2482	$TICK_WATCHER->start;
2483	},
2484	);
2485
2486	IO::AIO::max_poll_time $TICK * 0.2;
2487
2488	Event->io (
2489	fd => IO::AIO::poll_fileno,
2490	poll => 'r',
2491	prio => 5,
2492	data => WF_AUTOCANCEL,
2493	cb => \&IO::AIO::poll_cb,
2494	);
2495
2496	Event->timer (
2497	data => WF_AUTOCANCEL,
2498	after => 0,
2499	interval => 10,
2500	cb => sub {
2501	(Coro::unblock_sub {
2502	write_runtime	3851	write_runtime_sync
2503	or warn "ERROR: unable to write runtime file: $!";	3852	or warn "ERROR: unable to write runtime file: $!";
2504	})->();	3853	};
2505	},	3854	}
2506	);	3855
		3856	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3857	$sig->send;
		3858	}
		3859	while (my $sig = shift @WAIT_FOR_TICK) {
		3860	$sig->send;
		3861	}
		3862
		3863	$LOAD = ($NOW - $TICK_START) / $TICK;
		3864	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3865
		3866	if (0) {
		3867	if ($NEXT_TICK) {
		3868	my $jitter = $TICK_START - $NEXT_TICK;
		3869	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3870	warn "jitter $JITTER\n";#d#
		3871	}
		3872	}
		3873	}
		3874
		3875	{
		3876	# configure BDB
		3877
		3878	BDB::min_parallel 8;
		3879	BDB::max_poll_reqs $TICK * 0.1;
		3880	$AnyEvent::BDB::WATCHER->priority (1);
		3881
		3882	unless ($DB_ENV) {
		3883	$DB_ENV = BDB::db_env_create;
		3884	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3885	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3886	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3887	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3888	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3889
		3890	cf::sync_job {
		3891	eval {
		3892	BDB::db_env_open
		3893	$DB_ENV,
		3894	$BDBDIR,
		3895	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3896	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3897	0666;
		3898
		3899	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3900	};
		3901
		3902	cf::cleanup "db_env_open(db): $@" if $@;
		3903	};
		3904	}
		3905
		3906	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3907	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3908	};
		3909	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3910	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3911	};
		3912	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3913	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3914	};
		3915	}
		3916
		3917	{
		3918	# configure IO::AIO
		3919
		3920	IO::AIO::min_parallel 8;
		3921	IO::AIO::max_poll_time $TICK * 0.1;
		3922	undef $AnyEvent::AIO::WATCHER;
		3923	}
		3924
		3925	my $_log_backtrace;
		3926
		3927	sub _log_backtrace {
		3928	my ($msg, @addr) = @_;
		3929
		3930	$msg =~ s/\n//;
		3931
		3932	# limit the # of concurrent backtraces
		3933	if ($_log_backtrace < 2) {
		3934	++$_log_backtrace;
		3935	my $perl_bt = Carp::longmess $msg;
		3936	async {
		3937	$Coro::current->{desc} = "abt $msg";
		3938
		3939	my @bt = fork_call {
		3940	@addr = map { sprintf "%x", $_ } @addr;
		3941	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3942	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3943	or die "addr2line: $!";
		3944
		3945	my @funcs;
		3946	my @res = <$fh>;
		3947	chomp for @res;
		3948	while (@res) {
		3949	my ($func, $line) = splice @res, 0, 2, ();
		3950	push @funcs, "[$func] $line";
		3951	}
		3952
		3953	@funcs
		3954	};
		3955
		3956	LOG llevInfo, "[ABT] $perl_bt\n";
		3957	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3958	LOG llevInfo, "[ABT] $_\n" for @bt;
		3959	--$_log_backtrace;
		3960	};
		3961	} else {
		3962	LOG llevInfo, "[ABT] $msg\n";
		3963	LOG llevInfo, "[ABT] [suppressed]\n";
		3964	}
		3965	}
		3966
		3967	# load additional modules
		3968	use cf::pod;
2507		3969
2508	END { cf::emergency_save }	3970	END { cf::emergency_save }
2509		3971
2510	1	3972	1
2511		3973

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