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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.201 by root, Mon Jan 29 18:15:23 2007 UTC vs.
Revision 1.429 by root, Sat May 3 15:17:13 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
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV 3.2;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
12		35
13	use Coro 3.5 ();	36	use Coro 4.50 ();
		37	use Coro::State;
		38	use Coro::Handle;
14	use Coro::Event;	39	use Coro::EV;
15	use Coro::Timer;	40	use Coro::Timer;
16	use Coro::Signal;	41	use Coro::Signal;
17	use Coro::Semaphore;	42	use Coro::Semaphore;
18	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
		45	use Coro::Storable;
		46	use Coro::Util ();
19		47
		48	use JSON::XS 2.01 ();
		49	use BDB ();
20	use Data::Dumper;	50	use Data::Dumper;
21	use Digest::MD5;	51	use Digest::MD5;
22	use Fcntl;	52	use Fcntl;
		53	use YAML ();
23	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
24	use YAML::Syck ();
25	use Time::HiRes;	55	use Time::HiRes;
		56	use Compress::LZF;
		57	use Digest::MD5 ();
26		58
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	59	# configure various modules to our taste
		60	#
		61	$Storable::canonical = 1; # reduce rsync transfers
		62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		64
		65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28		66
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	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		68
36	our %COMMAND = ();	69	our %COMMAND = ();
37	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
38		71
39	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
43		77
		78	our $RELOAD; # number of reloads so far
44	our @EVENT;	79	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		80
47	our $TICK = MAX_TIME * 1e-6;	81	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	82	our $DATADIR = datadir;
		83	our $LIBDIR = "$DATADIR/ext";
		84	our $PODDIR = "$DATADIR/pod";
		85	our $MAPDIR = "$DATADIR/" . mapdir;
		86	our $LOCALDIR = localdir;
		87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		90	our $RANDOMDIR = "$LOCALDIR/random";
		91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
		93
		94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
49	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	97	our $NEXT_TICK;
52	our $NOW;	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
		99
		100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
		104	our $DB_ENV;
53		105
54	our %CFG;	106	our %CFG;
55		107
56	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
58		111
59	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		115
67	# used to convert map paths into valid unix filenames by replacing / by ∕	116	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		118
		119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
		122	our $TICK_START; # for load detecting purposes
		123
70	binmode STDOUT;	124	binmode STDOUT;
71	binmode STDERR;	125	binmode STDERR;
72		126
73	# read virtual server time, if available	127	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
78	}	132	}
79		133
80	mkdir cf::localdir;	134	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		136
86	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
87		138
88	sub cf::map::normalise;	139	sub cf::map::normalise;
89		140
…		…
100	=item $cf::RUNTIME	151	=item $cf::RUNTIME
101		152
102	The time this server has run, starts at 0 and is increased by $cf::TICK on	153	The time this server has run, starts at 0 and is increased by $cf::TICK on
103	every server tick.	154	every server tick.
104		155
105	=item $cf::LIBDIR	156	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		157	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		158	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
106		159
107	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
108	be found. It will be added to C<@INC> automatically.	161	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		162	unique-items directory, player file directory, random maps directory and
		163	database environment.
109		164
110	=item $cf::NOW	165	=item $cf::NOW
111		166
112	The time of the last (current) server tick.	167	The time of the last (current) server tick.
113		168
114	=item $cf::TICK	169	=item $cf::TICK
115		170
116	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
117		172
		173	=item $cf::LOADAVG
		174
		175	The current CPU load on the server (alpha-smoothed), as a value between 0
		176	(none) and 1 (overloaded), indicating how much time is spent on processing
		177	objects per tick. Healthy values are < 0.5.
		178
		179	=item $cf::LOAD
		180
		181	The raw value load value from the last tick.
		182
118	=item %cf::CFG	183	=item %cf::CFG
119		184
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
121	from wherever your confdir points to.	186	from wherever your confdir points to.
122		187
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		189
125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	191	returns directly I<after> the tick processing (and consequently, can only wake one process
127	processing has been done. Call C<< ->wait >> on them to maximise the	192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
128	window of cpu time available, or simply to synchronise to the server tick.	193
		194	=item @cf::INVOKE_RESULTS
		195
		196	This array contains the results of the last C<invoke ()> call. When
		197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		198	that call.
129		199
130	=back	200	=back
131		201
132	=cut	202	=cut
133		203
134	BEGIN {	204	BEGIN {
135	*CORE::GLOBAL::warn = sub {	205	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	206	my $msg = join "", @_;
137	utf8::encode $msg;
138		207
139	$msg .= "\n"	208	$msg .= "\n"
140	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
141		210
		211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		212
142	LOG llevError, $msg;	213	LOG llevError, $msg;
143	};	214	};
144	}	215	}
		216
		217	$Coro::State::DIEHOOK = sub {
		218	return unless $^S eq 0; # "eq", not "=="
		219
		220	if ($Coro::current == $Coro::main) {#d#
		221	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		222	return;#d#
		223	}#d#
		224
		225	# kill coroutine otherwise
		226	warn Carp::longmess $_[0];
		227	Coro::terminate
		228	};
		229
		230	$SIG{__DIE__} = sub { }; #d#?
145		231
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	236	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		237	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
151	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	238	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
152		239
153	# we bless all objects into (empty) derived classes to force a method lookup	240	# we bless all objects into (empty) derived classes to force a method lookup
154	# within the Safe compartment.	241	# within the Safe compartment.
155	for my $pkg (qw(	242	for my $pkg (qw(
156	cf::global cf::attachable	243	cf::global cf::attachable
…		…
161	)) {	248	)) {
162	no strict 'refs';	249	no strict 'refs';
163	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
164	}	251	}
165		252
166	$Event::DIED = sub {	253	$EV::DIED = sub {
167	warn "error in event callback: @_";	254	warn "error in event callback: @_";
168	};	255	};
		256
		257	#############################################################################
169		258
170	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
171		260
172	=over 4	261	=over 4
173		262
…		…
192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
193	$d	282	$d
194	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
195	}	284	}
196		285
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
200		287
201	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
202		289
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
211		291
212	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
213		293
214	=cut	294	=cut
215		295
216	sub to_json($) {	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	297
218	JSON::Syck::Dump $_[0]	298	sub encode_json($) { $json_coder->encode ($_[0]) }
219	}	299	sub decode_json($) { $json_coder->decode ($_[0]) }
220		300
221	=item cf::lock_wait $string	301	=item cf::lock_wait $string
222		302
223	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
224		304
…		…
227	Wait until the given lock is available and then acquires it and returns	307	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
230	returned.	310	returned.
231		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
232	Lock names should begin with a unique identifier (for example, cf::map::find	315	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
234		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
235	=cut	322	=cut
236		323
237	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
238		326
239	sub lock_wait($) {	327	sub lock_wait($) {
240	my ($key) = @_;	328	my ($key) = @_;
		329
		330	if ($LOCKER{$key} == $Coro::current) {#d#
		331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		332	return;#d#
		333	}#d#
241		334
242	# wait for lock, if any	335	# wait for lock, if any
243	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	338	Coro::schedule;
…		…
251		344
252	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
253	lock_wait $key;	346	lock_wait $key;
254		347
255	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
256		350
257	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
260	}	355	}
261	}	356	}
262		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
263	sub freeze_mainloop {	364	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
265		366
266	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
267	$TICK_WATCHER->start;	368	}
268	$WRITE_RUNTIME_WATCHER->start;	369
		370	=item cf::periodic $interval, $cb
		371
		372	Like EV::periodic, but randomly selects a starting point so that the actions
		373	get spread over timer.
		374
		375	=cut
		376
		377	sub periodic($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
269	};	428	}
270	$WRITE_RUNTIME_WATCHER->stop;	429	};
271	$TICK_WATCHER->stop;	430
272	$guard	431	sub get_slot($;$$) {
		432	return if tick_inhibit || $Coro::current == $Coro::main;
		433
		434	my ($time, $pri, $name) = @_;
		435
		436	$time = $TICK * .6 if $time > $TICK * .6;
		437	my $sig = new Coro::Signal;
		438
		439	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		440	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		441	$SLOT_QUEUE->ready;
		442	$sig->wait;
273	}	443	}
274		444
275	=item cf::async { BLOCK }	445	=item cf::async { BLOCK }
276		446
277	Currently the same as Coro::async_pool, meaning you cannot use	447	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		452
283	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
284		454
285	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
286		456
287	The design of crossfire+ requires that the main coro ($Coro::main) is	457	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	458	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	459	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		460	acceptable.
290		461
291	If it must be done, put the blocking parts into C<sync_job>. This will run	462	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	463	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	464	server will be frozen during this time, so the block should either finish
294	fast or be very important.	465	fast or be very important.
…		…
297		468
298	sub sync_job(&) {	469	sub sync_job(&) {
299	my ($job) = @_;	470	my ($job) = @_;
300		471
301	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
		473	my $time = EV::time;
		474
302	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
304		477
305	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	479
307	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
308		481
309	my $busy = 1;	482	my $busy = 1;
310	my @res;	483	my @res;
311		484
312	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	487	@res = eval { $job->() };
314	warn $@ if $@;	488	warn $@ if $@;
315	undef $busy;	489	undef $busy;
316	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
317		491
318	while ($busy) {	492	while ($busy) {
319	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
320	}	497	}
		498	}
		499
		500	my $time = EV::time - $time;
		501
		502	$TICK_START += $time; # do not account sync jobs to server load
321		503
322	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
323	} else {	505	} else {
324	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
325		507
…		…
345	$EXT_CORO{$coro+0} = $coro;	527	$EXT_CORO{$coro+0} = $coro;
346		528
347	$coro	529	$coro
348	}	530	}
349		531
350	sub write_runtime {	532	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		533
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	534	Executes the given code block with the given arguments in a seperate
354	or return;	535	process, returning the results. Everything must be serialisable with
		536	Coro::Storable. May, of course, block. Note that the executed sub may
		537	never block itself or use any form of event handling.
355		538
356	my $value = $cf::RUNTIME + 90 + 10;	539	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		540
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	541	sub fork_call(&@) {
361	and return;	542	my ($cb, @args) = @_;
362		543
363	aio_fsync $fh	544	# we seemingly have to make a local copy of the whole thing,
364	and return;	545	# otherwise perl prematurely frees the stuff :/
		546	# TODO: investigate and fix (likely this will be rather laborious)
365		547
366	close $fh	548	my @res = Coro::Util::fork_eval {
367	or return;	549	reset_signals;
		550	&$cb
		551	}, @args;
368		552
369	aio_rename "$runtime~", $runtime	553	wantarray ? @res : $res[-1]
370	and return;	554	}
371		555
		556	=item $coin = coin_from_name $name
		557
		558	=cut
		559
		560	our %coin_alias = (
		561	"silver" => "silvercoin",
		562	"silvercoin" => "silvercoin",
		563	"silvercoins" => "silvercoin",
		564	"gold" => "goldcoin",
		565	"goldcoin" => "goldcoin",
		566	"goldcoins" => "goldcoin",
		567	"platinum" => "platinacoin",
		568	"platinumcoin" => "platinacoin",
		569	"platinumcoins" => "platinacoin",
		570	"platina" => "platinacoin",
		571	"platinacoin" => "platinacoin",
		572	"platinacoins" => "platinacoin",
		573	"royalty" => "royalty",
		574	"royalties" => "royalty",
		575	);
		576
		577	sub coin_from_name($) {
		578	$coin_alias{$_[0]}
		579	? cf::arch::find $coin_alias{$_[0]}
		580	: undef
		581	}
		582
		583	=item $value = cf::db_get $family => $key
		584
		585	Returns a single value from the environment database.
		586
		587	=item cf::db_put $family => $key => $value
		588
		589	Stores the given C<$value> in the family. It can currently store binary
		590	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		591
		592	=item $db = cf::db_table "name"
		593
		594	Create and/or open a new database table. The string must not be "db" and must be unique
		595	within each server.
		596
		597	=cut
		598
		599	sub db_table($) {
		600	my ($name) = @_;
		601	my $db = BDB::db_create $DB_ENV;
		602
		603	eval {
		604	$db->set_flags (BDB::CHKSUM);
		605
		606	utf8::encode $name;
		607	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		608	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		609	cf::cleanup "db_open(db): $!" if $!;
		610	};
		611	cf::cleanup "db_open(db): $@" if $@;
		612
		613	$db
		614	}
		615
		616	our $DB;
		617
		618	sub db_init {
		619	cf::sync_job {
		620	$DB ||= db_table "db";
		621	};
		622	}
		623
		624	sub db_get($$) {
		625	my $key = "$_[0]/$_[1]";
		626
		627	cf::sync_job {
		628	BDB::db_get $DB, undef, $key, my $data;
		629
		630	$! ? ()
		631	: $data
372	1	632	}
		633	}
		634
		635	sub db_put($$$) {
		636	BDB::dbreq_pri 4;
		637	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		638	}
		639
		640	=item cf::cache $id => [$paths...], $processversion => $process
		641
		642	Generic caching function that returns the value of the resource $id,
		643	caching and regenerating as required.
		644
		645	This function can block.
		646
		647	=cut
		648
		649	sub cache {
		650	my ($id, $src, $processversion, $process) = @_;
		651
		652	my $meta =
		653	join "\x00",
		654	$processversion,
		655	map {
		656	aio_stat $_
		657	and Carp::croak "$_: $!";
		658
		659	($_, (stat _)[7,9])
		660	} @$src;
		661
		662	my $dbmeta = db_get cache => "$id/meta";
		663	if ($dbmeta ne $meta) {
		664	# changed, we may need to process
		665
		666	my @data;
		667	my $md5;
		668
		669	for (0 .. $#$src) {
		670	0 <= aio_load $src->[$_], $data[$_]
		671	or Carp::croak "$src->[$_]: $!";
		672	}
		673
		674	# if processing is expensive, check
		675	# checksum first
		676	if (1) {
		677	$md5 =
		678	join "\x00",
		679	$processversion,
		680	map {
		681	cf::cede_to_tick;
		682	($src->[$_], Digest::MD5::md5_hex $data[$_])
		683	} 0.. $#$src;
		684
		685
		686	my $dbmd5 = db_get cache => "$id/md5";
		687	if ($dbmd5 eq $md5) {
		688	db_put cache => "$id/meta", $meta;
		689
		690	return db_get cache => "$id/data";
		691	}
		692	}
		693
		694	my $t1 = Time::HiRes::time;
		695	my $data = $process->(\@data);
		696	my $t2 = Time::HiRes::time;
		697
		698	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		699
		700	db_put cache => "$id/data", $data;
		701	db_put cache => "$id/md5" , $md5;
		702	db_put cache => "$id/meta", $meta;
		703
		704	return $data;
		705	}
		706
		707	db_get cache => "$id/data"
		708	}
		709
		710	=item cf::datalog type => key => value, ...
		711
		712	Log a datalog packet of the given type with the given key-value pairs.
		713
		714	=cut
		715
		716	sub datalog($@) {
		717	my ($type, %kv) = @_;
		718	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	719	}
374		720
375	=back	721	=back
376		722
377	=cut	723	=cut
…		…
384	attach callbacks/event handlers (a collection of which is called an "attachment")	730	attach callbacks/event handlers (a collection of which is called an "attachment")
385	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
386		732
387	In the following description, CLASS can be any of C<global>, C<object>	733	In the following description, CLASS can be any of C<global>, C<object>
388	C<player>, C<client> or C<map> (i.e. the attachable objects in	734	C<player>, C<client> or C<map> (i.e. the attachable objects in
389	crossfire+).	735	Deliantra).
390		736
391	=over 4	737	=over 4
392		738
393	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
394		740
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	903	$registry = $CB_TYPE[$object_type] ||= [];
558		904
559	} elsif ($type eq "subtype") {	905	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	906	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	907	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	908	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		909
564	} elsif ($type eq "package") {	910	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	911	my $pkg = shift @arg;
566		912
567	while (my ($name, $id) = each %cb_id) {	913	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	942	_attach $registry, $klass, @attach;
597	}	943	}
598		944
599	$obj->{$name} = \%arg;	945	$obj->{$name} = \%arg;
600	} else {	946	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	947	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	948	}
603		949
604	$obj->{_attachment}{$name} = undef;	950	$obj->{_attachment}{$name} = undef;
605	}	951	}
606		952
…		…
608	if (ref $_[0]) {	954	if (ref $_[0]) {
609	_object_attach @_;	955	_object_attach @_;
610	} else {	956	} else {
611	_attach shift->_attach_registry, @_;	957	_attach shift->_attach_registry, @_;
612	}	958	}
		959	_recalc_want;
613	};	960	};
614		961
615	# all those should be optimised	962	# all those should be optimised
616	sub cf::attachable::detach {	963	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	964	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	967	delete $obj->{_attachment}{$name};
621	reattach ($obj);	968	reattach ($obj);
622	} else {	969	} else {
623	Carp::croak "cannot, currently, detach class attachments";	970	Carp::croak "cannot, currently, detach class attachments";
624	}	971	}
		972	_recalc_want;
625	};	973	};
626		974
627	sub cf::attachable::attached {	975	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	976	my ($obj, $name) = @_;
629		977
…		…
644	";	992	";
645	die if $@;	993	die if $@;
646	}	994	}
647		995
648	our $override;	996	our $override;
649	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	997	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
650		998
651	sub override {	999	sub override {
652	$override = 1;	1000	$override = 1;
653	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
654	}	1002	}
655		1003
656	sub do_invoke {	1004	sub do_invoke {
657	my $event = shift;	1005	my $event = shift;
658	my $callbacks = shift;	1006	my $callbacks = shift;
659		1007
660	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
661		1009
662	local $override;	1010	local $override;
663		1011
664	for (@$callbacks) {	1012	for (@$callbacks) {
665	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
674	}	1022	}
675		1023
676	0	1024	0
677	}	1025	}
678		1026
679	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
680		1028
681	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
682		1030
683	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
684		1032
685	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1033	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
686	removed in future versions), and there is no public API to access override	1034	removed in future versions), and there is no public API to access override
687	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		1036
689	=back	1037	=back
690		1038
691	=cut	1039	=cut
692		1040
693	#############################################################################	1041	#############################################################################
694	# object support	1042	# object support
		1043
		1044	sub _object_equal($$);
		1045	sub _object_equal($$) {
		1046	my ($a, $b) = @_;
		1047
		1048	return 0 unless (ref $a) eq (ref $b);
		1049
		1050	if ("HASH" eq ref $a) {
		1051	my @ka = keys %$a;
		1052	my @kb = keys %$b;
		1053
		1054	return 0 if @ka != @kb;
		1055
		1056	for (0 .. $#ka) {
		1057	return 0 unless $ka[$_] eq $kb[$_];
		1058	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1059	}
		1060
		1061	} elsif ("ARRAY" eq ref $a) {
		1062
		1063	return 0 if @$a != @$b;
		1064
		1065	for (0 .. $#$a) {
		1066	return 0 unless _object_equal $a->[$_], $b->[$_];
		1067	}
		1068
		1069	} elsif ($a ne $b) {
		1070	return 0;
		1071	}
		1072
		1073	1
		1074	}
		1075
		1076	our $SLOW_MERGES;#d#
		1077	sub _can_merge {
		1078	my ($ob1, $ob2) = @_;
		1079
		1080	++$SLOW_MERGES;#d#
		1081
		1082	# we do the slow way here
		1083	return _object_equal $ob1, $ob2
		1084	}
695		1085
696	sub reattach {	1086	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	1088	my ($obj) = @_;
699		1089
…		…
720	cf::attachable->attach (	1110	cf::attachable->attach (
721	prio => -1000000,	1111	prio => -1000000,
722	on_instantiate => sub {	1112	on_instantiate => sub {
723	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
724		1114
725	$data = from_json $data;	1115	$data = decode_json $data;
726		1116
727	for (@$data) {	1117	for (@$data) {
728	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
729		1119
730	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
746	sub object_freezer_save {	1136	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
748		1138
749	sync_job {	1139	sync_job {
750	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
753		1144
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1146	aio_chmod $fh, SAVE_MODE;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	1148	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	1149	aio_close $fh;
759		1150
760	if (@$objs) {	1151	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	1156	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1157	aio_close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
768	}	1159	}
769	} else {	1160	} else {
770	aio_unlink "$filename.pst";	1161	aio_unlink "$filename.pst";
771	}	1162	}
…		…
776	}	1167	}
777	} else {	1168	} else {
778	aio_unlink $filename;	1169	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
780	}	1171	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	1172	};
788	}	1173	}
789		1174
790	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
792		1177
…		…
797		1182
798	sub object_thawer_load {	1183	sub object_thawer_load {
799	my ($filename) = @_;	1184	my ($filename) = @_;
800		1185
801	my ($data, $av);	1186	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1187
806	(aio_load $filename, $data) >= 0	1188	(aio_load $filename, $data) >= 0
807	or return;	1189	or return;
808		1190
809	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
811	or return;	1193	or return;
		1194
812	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
813	}	1197	}
814		1198
		1199	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1201	$decname, length $data, scalar @{$av || []};
		1202
817	return ($data, $av);	1203	($data, $av)
818	}	1204	}
		1205
		1206	=head2 COMMAND CALLBACKS
		1207
		1208	=over 4
		1209
		1210	=cut
819		1211
820	#############################################################################	1212	#############################################################################
821	# command handling &c	1213	# command handling &c
822		1214
823	=item cf::register_command $name => \&callback($ob,$args);	1215	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1228	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1229	}
838		1230
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1231	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1232
841	Register a callbackf ro execution when the client sends an extcmd packet.	1233	Register a callback for execution when the client sends an (synchronous)
		1234	extcmd packet. Ext commands will be processed in the order they are
		1235	received by the server, like other user commands. The first argument is
		1236	the logged-in player. Ext commands can only be processed after a player
		1237	has logged in successfully.
842		1238
843	If the callback returns something, it is sent back as if reply was being	1239	If the callback returns something, it is sent back as if reply was being
844	called.	1240	called.
845		1241
		1242	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1243
		1244	Register a callback for execution when the client sends an (asynchronous)
		1245	exticmd packet. Exti commands are processed by the server as soon as they
		1246	are received, i.e. out of order w.r.t. other commands. The first argument
		1247	is a client socket. Exti commands can be received anytime, even before
		1248	log-in.
		1249
		1250	If the callback returns something, it is sent back as if reply was being
		1251	called.
		1252
846	=cut	1253	=cut
847		1254
848	sub register_extcmd {	1255	sub register_extcmd {
849	my ($name, $cb) = @_;	1256	my ($name, $cb) = @_;
850		1257
851	$EXTCMD{$name} = $cb;	1258	$EXTCMD{$name} = $cb;
		1259	}
		1260
		1261	sub register_exticmd {
		1262	my ($name, $cb) = @_;
		1263
		1264	$EXTICMD{$name} = $cb;
852	}	1265	}
853		1266
854	cf::player->attach (	1267	cf::player->attach (
855	on_command => sub {	1268	on_command => sub {
856	my ($pl, $name, $params) = @_;	1269	my ($pl, $name, $params) = @_;
…		…
865	cf::override;	1278	cf::override;
866	},	1279	},
867	on_extcmd => sub {	1280	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
869		1282
870	my $msg = eval { from_json $buf };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1284
872	if (ref $msg) {	1285	if (ref $msg) {
		1286	my ($type, $reply, @payload) =
		1287	"ARRAY" eq ref $msg
		1288	? @$msg
		1289	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1290
		1291	my @reply;
		1292
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
878	} else {	1300	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1302	}
881		1303
882	cf::override;	1304	cf::override;
883	},	1305	},
884	);	1306	);
885		1307
886	sub load_extension {
887	my ($path) = @_;
888
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
890	my $base = $1;
891	my $pkg = $1;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}
914	die $@;
915	}
916
917	push @EXTS, $pkg;
918	}
919
920	sub load_extensions {	1308	sub load_extensions {
		1309	cf::sync_job {
		1310	my %todo;
		1311
921	for my $ext (<$LIBDIR/*.ext>) {	1312	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1313	next unless -r $path;
923	eval {	1314
924	load_extension $ext;	1315	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1316	my $base = $1;
		1317	my $pkg = $1;
		1318	$pkg =~ s/[^[:word:]]/_/g;
		1319	$pkg = "ext::$pkg";
		1320
		1321	open my $fh, "<:utf8", $path
		1322	or die "$path: $!";
		1323
		1324	my $source = do { local $/; <$fh> };
		1325
		1326	my %ext = (
		1327	path => $path,
		1328	base => $base,
		1329	pkg => $pkg,
		1330	);
		1331
		1332	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1333	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1334
		1335	$ext{source} =
		1336	"package $pkg; use strict; use utf8;\n"
		1337	. "#line 1 \"$path\"\n{\n"
		1338	. $source
		1339	. "\n};\n1";
		1340
		1341	$todo{$base} = \%ext;
		1342	}
		1343
		1344	my %done;
		1345	while (%todo) {
		1346	my $progress;
		1347
		1348	while (my ($k, $v) = each %todo) {
		1349	for (split /,\s*/, $v->{meta}{depends}) {
		1350	goto skip
		1351	unless exists $done{$_};
		1352	}
		1353
		1354	warn "... loading '$k' into '$v->{pkg}'\n";
		1355
		1356	unless (eval $v->{source}) {
		1357	my $msg = $@ ? "$v->{path}: $@\n"
		1358	: "$v->{base}: extension inactive.\n";
		1359
		1360	if (exists $v->{meta}{mandatory}) {
		1361	warn $msg;
		1362	cf::cleanup "mandatory extension failed to load, exiting.";
		1363	}
		1364
		1365	warn $msg;
		1366	}
		1367
		1368	$done{$k} = delete $todo{$k};
		1369	push @EXTS, $v->{pkg};
		1370	$progress = 1;
925	1	1371	}
926	} or warn "$ext not loaded: $@";	1372
		1373	skip:
		1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1375	unless $progress;
		1376	}
927	}	1377	};
928	}	1378	}
929		1379
930	#############################################################################	1380	#############################################################################
931		1381
		1382	=back
		1383
932	=head2 CORE EXTENSIONS	1384	=head2 CORE EXTENSIONS
933		1385
934	Functions and methods that extend core crossfire objects.	1386	Functions and methods that extend core crossfire objects.
935		1387
936	=cut	1388	=cut
…		…
941		1393
942	=head3 cf::player	1394	=head3 cf::player
943		1395
944	=over 4	1396	=over 4
945		1397
		1398	=item cf::player::num_playing
		1399
		1400	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1401
		1402	=cut
		1403
		1404	sub num_playing {
		1405	scalar grep
		1406	$_->ob->map
		1407	&& !$_->hidden
		1408	&& !$_->ob->flag (cf::FLAG_WIZ),
		1409	cf::player::list
		1410	}
		1411
946	=item cf::player::find $login	1412	=item cf::player::find $login
947		1413
948	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
949		1415
950	=cut	1416	=cut
951		1417
952	sub playerdir($) {	1418	sub playerdir($) {
953	cf::localdir	1419	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1420	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1421	}
959		1422
960	sub path($) {	1423	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1424	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1425
963	(playerdir $login) . "/$login.pl"	1426	(playerdir $login) . "/playerdata"
964	}	1427	}
965		1428
966	sub find_active($) {	1429	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1430	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1431	and $cf::PLAYER{$_[0]}->active
…		…
981	my $login = $_[0];	1444	my $login = $_[0];
982		1445
983	my $guard = cf::lock_acquire "user_find:$login";	1446	my $guard = cf::lock_acquire "user_find:$login";
984		1447
985	$cf::PLAYER{$_[0]} || do {	1448	$cf::PLAYER{$_[0]} || do {
986	my $pl = load_pl path $login	1449	# rename old playerfiles to new ones
		1450	#TODO: remove when no longer required
		1451	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1452	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1453	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1454	aio_unlink +(playerdir $login) . "/$login.pl";
		1455
		1456	my $f = new_from_file cf::object::thawer path $login
987	or return;	1457	or return;
		1458
		1459	my $pl = cf::player::load_pl $f
		1460	or return;
		1461
		1462	local $cf::PLAYER_LOADING{$login} = $pl;
		1463	$f->resolve_delayed_derefs;
988	$cf::PLAYER{$login} = $pl	1464	$cf::PLAYER{$login} = $pl
989	}	1465	}
990	}	1466	}
991	}	1467	}
992		1468
…		…
1001	return if $pl->{deny_save};	1477	return if $pl->{deny_save};
1002		1478
1003	aio_mkdir playerdir $pl, 0770;	1479	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1480	$pl->{last_save} = $cf::RUNTIME;
1005		1481
		1482	cf::get_slot 0.01;
		1483
1006	$pl->save_pl ($path);	1484	$pl->save_pl ($path);
1007	Coro::cede;	1485	cf::cede_to_tick;
1008	}	1486	}
1009		1487
1010	sub new($) {	1488	sub new($) {
1011	my ($login) = @_;	1489	my ($login) = @_;
1012		1490
…		…
1018	$cf::PLAYER{$login} = $self;	1496	$cf::PLAYER{$login} = $self;
1019		1497
1020	$self	1498	$self
1021	}	1499	}
1022		1500
		1501	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1502
		1503	=cut
		1504
		1505	sub send_msg {
		1506	my $ns = shift->ns
		1507	or return;
		1508	$ns->send_msg (@_);
		1509	}
		1510
1023	=item $pl->quit_character	1511	=item $pl->quit_character
1024		1512
1025	Nukes the player without looking back. If logged in, the connection will	1513	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1514	be destroyed. May block for a long time.
1027		1515
1028	=cut	1516	=cut
1029		1517
1030	sub quit_character {	1518	sub quit_character {
1031	my ($pl) = @_;	1519	my ($pl) = @_;
		1520
		1521	my $name = $pl->ob->name;
1032		1522
1033	$pl->{deny_save} = 1;	1523	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1524	$pl->password ("*"); # this should lock out the player until we nuked the dir
1035		1525
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1526	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1041	my $path = playerdir $pl;	1531	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1532	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1533	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1534	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1535	$pl->destroy;
		1536
		1537	my $prefix = qr<^~\Q$name\E/>;
		1538
		1539	# nuke player maps
		1540	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1541
1046	IO::AIO::aio_rmtree $temp;	1542	IO::AIO::aio_rmtree $temp;
		1543	}
		1544
		1545	=item $pl->kick
		1546
		1547	Kicks a player out of the game. This destroys the connection.
		1548
		1549	=cut
		1550
		1551	sub kick {
		1552	my ($pl, $kicker) = @_;
		1553
		1554	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1555	$pl->killer ("kicked");
		1556	$pl->ns->destroy;
1047	}	1557	}
1048		1558
1049	=item cf::player::list_logins	1559	=item cf::player::list_logins
1050		1560
1051	Returns am arrayref of all valid playernames in the system, can take a	1561	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1562	while and may block, so not sync_job-capable, ever.
1053		1563
1054	=cut	1564	=cut
1055		1565
1056	sub list_logins {	1566	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1567	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1568	or return [];
1059		1569
1060	my @logins;	1570	my @logins;
1061		1571
1062	for my $login (@$dirs) {	1572	for my $login (@$dirs) {
		1573	my $path = path $login;
		1574
		1575	# a .pst is a dead give-away for a valid player
		1576	# if no pst file found, open and chekc for blocked users
		1577	if (aio_stat "$path.pst") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1578	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1579	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1580	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1581	}
1066		1582
1067	utf8::decode $login;	1583	utf8::decode $login;
1068	push @logins, $login;	1584	push @logins, $login;
1069	}	1585	}
1070		1586
…		…
1097	}	1613	}
1098		1614
1099	\@paths	1615	\@paths
1100	}	1616	}
1101		1617
		1618	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1619
		1620	Expand crossfire pod fragments into protocol xml.
		1621
		1622	=cut
		1623
		1624	use re 'eval';
		1625
		1626	my $group;
		1627	my $interior; $interior = qr{
		1628	# match a pod interior sequence sans C<< >>
		1629	(?:
		1630	\ (.*?)\ (?{ $group = $^N })
		1631	| < (??{$interior}) >
		1632	)
		1633	}x;
		1634
		1635	sub expand_cfpod {
		1636	my ($self, $pod) = @_;
		1637
		1638	my $xml;
		1639
		1640	while () {
		1641	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1642	$group = $1;
		1643
		1644	$group =~ s/&/&amp;/g;
		1645	$group =~ s/</&lt;/g;
		1646
		1647	$xml .= $group;
		1648	} elsif ($pod =~ m%\G
		1649	([BCGHITU])
		1650	<
		1651	(?:
		1652	([^<>]*) (?{ $group = $^N })
		1653	| < $interior >
		1654	)
		1655	>
		1656	%gcsx
		1657	) {
		1658	my ($code, $data) = ($1, $group);
		1659
		1660	if ($code eq "B") {
		1661	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1662	} elsif ($code eq "I") {
		1663	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1664	} elsif ($code eq "U") {
		1665	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1666	} elsif ($code eq "C") {
		1667	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1668	} elsif ($code eq "T") {
		1669	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1670	} elsif ($code eq "G") {
		1671	my ($male, $female) = split /\|/, $data;
		1672	$data = $self->gender ? $female : $male;
		1673	$xml .= expand_cfpod ($self, $data);
		1674	} elsif ($code eq "H") {
		1675	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1676	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1677	"")
		1678	[$self->{hintmode}];
		1679	} else {
		1680	$xml .= "error processing '$code($data)' directive";
		1681	}
		1682	} else {
		1683	if ($pod =~ /\G(.+)/) {
		1684	warn "parse error while expanding $pod (at $1)";
		1685	}
		1686	last;
		1687	}
		1688	}
		1689
		1690	for ($xml) {
		1691	# create single paragraphs (very hackish)
		1692	s/(?<=\S)\n(?=\w)/ /g;
		1693
		1694	# compress some whitespace
		1695	s/\s+\n/\n/g; # ws line-ends
		1696	s/\n\n+/\n/g; # double lines
		1697	s/^\n+//; # beginning lines
		1698	s/\n+$//; # ending lines
		1699	}
		1700
		1701	$xml
		1702	}
		1703
		1704	no re 'eval';
		1705
		1706	sub hintmode {
		1707	$_[0]{hintmode} = $_[1] if @_ > 1;
		1708	$_[0]{hintmode}
		1709	}
		1710
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1711	=item $player->ext_reply ($msgid, @msg)
1103		1712
1104	Sends an ext reply to the player.	1713	Sends an ext reply to the player.
1105		1714
1106	=cut	1715	=cut
1107		1716
1108	sub ext_reply($$$%) {	1717	sub ext_reply($$@) {
1109	my ($self, $id, %msg) = @_;	1718	my ($self, $id, @msg) = @_;
1110		1719
1111	$msg{msgid} = $id;	1720	$self->ns->ext_reply ($id, @msg)
1112
1113	$self->send ("ext " . cf::to_json \%msg);
1114	}	1721	}
1115		1722
1116	package cf;	1723	=item $player->ext_msg ($type, @msg)
		1724
		1725	Sends an ext event to the client.
		1726
		1727	=cut
		1728
		1729	sub ext_msg($$@) {
		1730	my ($self, $type, @msg) = @_;
		1731
		1732	$self->ns->ext_msg ($type, @msg);
		1733	}
		1734
		1735	=head3 cf::region
		1736
		1737	=over 4
		1738
		1739	=cut
		1740
		1741	package cf::region;
		1742
		1743	=item cf::region::find_by_path $path
		1744
		1745	Tries to decuce the likely region for a map knowing only its path.
		1746
		1747	=cut
		1748
		1749	sub find_by_path($) {
		1750	my ($path) = @_;
		1751
		1752	my ($match, $specificity);
		1753
		1754	for my $region (list) {
		1755	if ($region->{match} && $path =~ $region->{match}) {
		1756	($match, $specificity) = ($region, $region->specificity)
		1757	if $region->specificity > $specificity;
		1758	}
		1759	}
		1760
		1761	$match
		1762	}
1117		1763
1118	=back	1764	=back
1119
1120		1765
1121	=head3 cf::map	1766	=head3 cf::map
1122		1767
1123	=over 4	1768	=over 4
1124		1769
…		…
1136	our $MAX_RESET = 3600;	1781	our $MAX_RESET = 3600;
1137	our $DEFAULT_RESET = 3000;	1782	our $DEFAULT_RESET = 3000;
1138		1783
1139	sub generate_random_map {	1784	sub generate_random_map {
1140	my ($self, $rmp) = @_;	1785	my ($self, $rmp) = @_;
		1786
		1787	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1788
1141	# mit "rum" bekleckern, nicht	1789	# mit "rum" bekleckern, nicht
1142	$self->_create_random_map (	1790	$self->_create_random_map (
1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1791	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1792	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1793	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1179	my ($self, $merge) = @_;	1827	my ($self, $merge) = @_;
1180		1828
1181	# we have to keep some variables in memory intact	1829	# we have to keep some variables in memory intact
1182	local $self->{path};	1830	local $self->{path};
1183	local $self->{load_path};	1831	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		1832
1187	$self->SUPER::thawer_merge ($merge);	1833	$self->SUPER::thawer_merge ($merge);
1188	}	1834	}
1189		1835
1190	sub normalise {	1836	sub normalise {
…		…
1237	$self->init; # pass $1 etc.	1883	$self->init; # pass $1 etc.
1238	return $self;	1884	return $self;
1239	}	1885	}
1240	}	1886	}
1241		1887
1242	Carp::carp "unable to resolve path '$path' (base '$base').";	1888	Carp::cluck "unable to resolve path '$path' (base '$base').";
1243	()	1889	()
1244	}	1890	}
1245		1891
1246	sub init {	1892	sub init {
1247	my ($self) = @_;	1893	my ($self) = @_;
…		…
1262		1908
1263	# the original (read-only) location	1909	# the original (read-only) location
1264	sub load_path {	1910	sub load_path {
1265	my ($self) = @_;	1911	my ($self) = @_;
1266		1912
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1913	"$MAPDIR/$self->{path}.map"
1268	}	1914	}
1269		1915
1270	# the temporary/swap location	1916	# the temporary/swap location
1271	sub save_path {	1917	sub save_path {
1272	my ($self) = @_;	1918	my ($self) = @_;
1273		1919
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1920	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1921	"$TMPDIR/$path.map"
1276	}	1922	}
1277		1923
1278	# the unique path, undef == no special unique path	1924	# the unique path, undef == no special unique path
1279	sub uniq_path {	1925	sub uniq_path {
1280	my ($self) = @_;	1926	my ($self) = @_;
1281		1927
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1929	"$UNIQUEDIR/$path"
1284	}	1930	}
1285		1931
1286	# and all this just because we cannot iterate over	1932	# and all this just because we cannot iterate over
1287	# all maps in C++...	1933	# all maps in C++...
1288	sub change_all_map_light {	1934	sub change_all_map_light {
…		…
1290		1936
1291	$_->change_map_light ($change)	1937	$_->change_map_light ($change)
1292	for grep $_->outdoor, values %cf::MAP;	1938	for grep $_->outdoor, values %cf::MAP;
1293	}	1939	}
1294		1940
		1941	sub decay_objects {
		1942	my ($self) = @_;
		1943
		1944	return if $self->{deny_reset};
		1945
		1946	$self->do_decay_objects;
		1947	}
		1948
1295	sub unlink_save {	1949	sub unlink_save {
1296	my ($self) = @_;	1950	my ($self) = @_;
1297		1951
1298	utf8::encode (my $save = $self->save_path);	1952	utf8::encode (my $save = $self->save_path);
1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1953	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1300	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1954	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1301
1302	#d#TODO remove .map and also nuke
1303	$save =~ s/\.map// or return;#d#
1304	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1305	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1306	}	1955	}
1307		1956
1308	sub load_header_from($) {	1957	sub load_header_from($) {
1309	my ($self, $path) = @_;	1958	my ($self, $path) = @_;
1310		1959
1311	utf8::encode $path;	1960	utf8::encode $path;
1312	#aio_open $path, O_RDONLY, 0	1961	my $f = new_from_file cf::object::thawer $path
1313	# or return;
1314
1315	$self->_load_header ($path)
1316	or return;	1962	or return;
		1963
		1964	$self->_load_header ($f)
		1965	or return;
		1966
		1967	local $MAP_LOADING{$self->{path}} = $self;
		1968	$f->resolve_delayed_derefs;
1317		1969
1318	$self->{load_path} = $path;	1970	$self->{load_path} = $path;
1319		1971
1320	1	1972	1
1321	}	1973	}
…		…
1360	$self->load_header_orig	2012	$self->load_header_orig
1361	or return;	2013	or return;
1362	$self->prepare_orig;	2014	$self->prepare_orig;
1363	}	2015	}
1364		2016
		2017	$self->{deny_reset} = 1
		2018	if $self->no_reset;
		2019
		2020	$self->default_region (cf::region::find_by_path $self->{path})
		2021	unless $self->default_region;
		2022
1365	1	2023	1
1366	}	2024	}
1367		2025
1368	sub find;	2026	sub find;
1369	sub find {	2027	sub find {
1370	my ($path, $origin) = @_;	2028	my ($path, $origin) = @_;
1371		2029
1372	$path = normalise $path, $origin && $origin->path;	2030	$path = normalise $path, $origin && $origin->path;
1373		2031
		2032	cf::lock_wait "map_data:$path";#d#remove
1374	cf::lock_wait "map_find:$path";	2033	cf::lock_wait "map_find:$path";
1375		2034
1376	$cf::MAP{$path} || do {	2035	$cf::MAP{$path} || do {
		2036	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1377	my $guard = cf::lock_acquire "map_find:$path";	2037	my $guard2 = cf::lock_acquire "map_find:$path";
		2038
1378	my $map = new_from_path cf::map $path	2039	my $map = new_from_path cf::map $path
1379	or return;	2040	or return;
1380		2041
1381	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1382		2043
1383	$map->load_header	2044	$map->load_header
1384	or return;	2045	or return;
1385		2046
1386	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1387	# doing this can freeze the server in a sync job, obviously	2048	# doing this can freeze the server in a sync job, obviously
1388	#$cf::WAIT_FOR_TICK->wait;	2049	#$cf::WAIT_FOR_TICK->wait;
		2050	undef $guard2;
		2051	undef $guard1;
1389	$map->reset;	2052	$map->reset;
1390	undef $guard;
1391	return find $path;	2053	return find $path;
1392	}	2054	}
1393		2055
1394	$cf::MAP{$path} = $map	2056	$cf::MAP{$path} = $map
1395	}	2057	}
…		…
1402	my ($self) = @_;	2064	my ($self) = @_;
1403		2065
1404	local $self->{deny_reset} = 1; # loading can take a long time	2066	local $self->{deny_reset} = 1; # loading can take a long time
1405		2067
1406	my $path = $self->{path};	2068	my $path = $self->{path};
		2069
		2070	{
1407	my $guard = cf::lock_acquire "map_load:$path";	2071	my $guard = cf::lock_acquire "map_data:$path";
1408		2072
		2073	return unless $self->valid;
1409	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1410		2075
1411	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1412		2077
1413	$self->alloc;	2078	$self->alloc;
1414		2079
1415	$self->pre_load;	2080	$self->pre_load;
		2081	cf::cede_to_tick;
1416		2082
1417	$self->_load_objects ($self->{load_path}, 1)	2083	my $f = new_from_file cf::object::thawer $self->{load_path};
		2084	$f->skip_block;
		2085	$self->_load_objects ($f)
1418	or return;	2086	or return;
1419		2087
1420	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1421	if delete $self->{load_original};	2089	if delete $self->{load_original};
1422		2090
1423	if (my $uniq = $self->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1424	utf8::encode $uniq;	2092	utf8::encode $uniq;
1425	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1426	$self->clear_unique_items;	2095	$self->clear_unique_items;
1427	$self->_load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1428	}	2099	}
1429	}	2100	}
1430		2101
1431	Coro::cede;	2102	$f->resolve_delayed_derefs;
1432		2103
		2104	cf::cede_to_tick;
1433	# now do the right thing for maps	2105	# now do the right thing for maps
1434	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1435
1436	unless ($self->{deny_activate}) {
1437	$self->decay_objects;
1438	$self->fix_auto_apply;
1439	$self->update_buttons;
1440	Coro::cede;
1441	$self->set_darkness_map;
1442	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
1443	unless $self->difficulty;	2108	unless $self->difficulty;
1444	Coro::cede;	2109	cf::cede_to_tick;
		2110
		2111	unless ($self->{deny_activate}) {
		2112	$self->decay_objects;
		2113	$self->fix_auto_apply;
		2114	$self->update_buttons;
		2115	cf::cede_to_tick;
		2116	$self->set_darkness_map;
		2117	cf::cede_to_tick;
1445	$self->activate;	2118	$self->activate;
		2119	}
		2120
		2121	$self->{last_save} = $cf::RUNTIME;
		2122	$self->last_access ($cf::RUNTIME);
		2123
		2124	$self->in_memory (cf::MAP_ACTIVE);
1446	}	2125	}
1447		2126
1448	$self->post_load;	2127	$self->post_load;
1449
1450	$self->in_memory (cf::MAP_IN_MEMORY);
1451	}	2128	}
1452		2129
1453	sub customise_for {	2130	sub customise_for {
1454	my ($self, $ob) = @_;	2131	my ($self, $ob) = @_;
1455		2132
1456	return find "~" . $ob->name . "/" . $self->{path}	2133	return find "~" . $ob->name . "/" . $self->{path}
1457	if $self->per_player;	2134	if $self->per_player;
1458		2135
		2136	# return find "?party/" . $ob->name . "/" . $self->{path}
		2137	# if $self->per_party;
		2138
1459	$self	2139	$self
1460	}	2140	}
1461		2141
1462	# find and load all maps in the 3x3 area around a map	2142	# find and load all maps in the 3x3 area around a map
1463	sub load_diag {	2143	sub load_neighbours {
1464	my ($map) = @_;	2144	my ($map) = @_;
1465		2145
1466	my @diag; # diagonal neighbours	2146	my @neigh; # diagonal neighbours
1467		2147
1468	for (0 .. 3) {	2148	for (0 .. 3) {
1469	my $neigh = $map->tile_path ($_)	2149	my $neigh = $map->tile_path ($_)
1470	or next;	2150	or next;
1471	$neigh = find $neigh, $map	2151	$neigh = find $neigh, $map
1472	or next;	2152	or next;
1473	$neigh->load;	2153	$neigh->load;
1474		2154
		2155	push @neigh,
1475	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2156	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1476	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2157	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1477	}	2158	}
1478		2159
1479	for (@diag) {	2160	for (grep defined $_->[0], @neigh) {
		2161	my ($path, $origin) = @$_;
1480	my $neigh = find @$_	2162	my $neigh = find $path, $origin
1481	or next;	2163	or next;
1482	$neigh->load;	2164	$neigh->load;
1483	}	2165	}
1484	}	2166	}
1485		2167
…		…
1490	}	2172	}
1491		2173
1492	sub do_load_sync {	2174	sub do_load_sync {
1493	my ($map) = @_;	2175	my ($map) = @_;
1494		2176
		2177	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2178	if $Coro::current == $Coro::main;
		2179
1495	cf::sync_job { $map->load };	2180	cf::sync_job { $map->load };
1496	}	2181	}
1497		2182
1498	our %MAP_PREFETCH;	2183	our %MAP_PREFETCH;
1499	our $MAP_PREFETCHER = undef;	2184	our $MAP_PREFETCHER = undef;
1500		2185
1501	sub find_async {	2186	sub find_async {
1502	my ($path, $origin) = @_;	2187	my ($path, $origin, $load) = @_;
1503		2188
1504	$path = normalise $path, $origin && $origin->{path};	2189	$path = normalise $path, $origin && $origin->{path};
1505		2190
1506	if (my $map = $cf::MAP{$path}) {	2191	if (my $map = $cf::MAP{$path}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2192	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1508	}	2193	}
1509		2194
1510	undef $MAP_PREFETCH{$path};	2195	$MAP_PREFETCH{$path} |= $load;
		2196
1511	$MAP_PREFETCHER ||= cf::async {	2197	$MAP_PREFETCHER ||= cf::async {
		2198	$Coro::current->{desc} = "map prefetcher";
		2199
1512	while (%MAP_PREFETCH) {	2200	while (%MAP_PREFETCH) {
1513	for my $path (keys %MAP_PREFETCH) {	2201	while (my ($k, $v) = each %MAP_PREFETCH) {
1514	my $map = find $path	2202	if (my $map = find $k) {
1515	or next;
1516	$map->load;	2203	$map->load if $v;
		2204	}
1517		2205
1518	delete $MAP_PREFETCH{$path};	2206	delete $MAP_PREFETCH{$k};
1519	}	2207	}
1520	}	2208	}
1521	undef $MAP_PREFETCHER;	2209	undef $MAP_PREFETCHER;
1522	};	2210	};
1523	$MAP_PREFETCHER->prio (6);	2211	$MAP_PREFETCHER->prio (6);
…		…
1526	}	2214	}
1527		2215
1528	sub save {	2216	sub save {
1529	my ($self) = @_;	2217	my ($self) = @_;
1530		2218
1531	my $lock = cf::lock_acquire "map_data:" . $self->path;	2219	my $lock = cf::lock_acquire "map_data:$self->{path}";
1532		2220
1533	$self->{last_save} = $cf::RUNTIME;	2221	$self->{last_save} = $cf::RUNTIME;
1534		2222
1535	return unless $self->dirty;	2223	return unless $self->dirty;
1536		2224
…		…
1542	return if $self->{deny_save};	2230	return if $self->{deny_save};
1543		2231
1544	local $self->{last_access} = $self->last_access;#d#	2232	local $self->{last_access} = $self->last_access;#d#
1545		2233
1546	cf::async {	2234	cf::async {
		2235	$Coro::current->{desc} = "map player save";
1547	$_->contr->save for $self->players;	2236	$_->contr->save for $self->players;
1548	};	2237	};
		2238
		2239	cf::get_slot 0.02;
1549		2240
1550	if ($uniq) {	2241	if ($uniq) {
1551	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2242	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1552	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2243	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1553	} else {	2244	} else {
…		…
1559	my ($self) = @_;	2250	my ($self) = @_;
1560		2251
1561	# save first because save cedes	2252	# save first because save cedes
1562	$self->save;	2253	$self->save;
1563		2254
1564	my $lock = cf::lock_acquire "map_data:" . $self->path;	2255	my $lock = cf::lock_acquire "map_data:$self->{path}";
1565		2256
1566	return if $self->players;	2257	return if $self->players;
1567	return if $self->in_memory != cf::MAP_IN_MEMORY;	2258	return if $self->in_memory != cf::MAP_ACTIVE;
1568	return if $self->{deny_save};	2259	return if $self->{deny_save};
1569		2260
		2261	$self->in_memory (cf::MAP_SWAPPED);
		2262
		2263	$self->deactivate;
		2264	$_->clear_links_to ($self) for values %cf::MAP;
1570	$self->clear;	2265	$self->clear;
1571	$self->in_memory (cf::MAP_SWAPPED);
1572	}	2266	}
1573		2267
1574	sub reset_at {	2268	sub reset_at {
1575	my ($self) = @_;	2269	my ($self) = @_;
1576		2270
1577	# TODO: safety, remove and allow resettable per-player maps	2271	# TODO: safety, remove and allow resettable per-player maps
1578	return 1e99 if $self->isa ("ext::map_per_player");#d#
1579	return 1e99 if $self->{deny_reset};	2272	return 1e99 if $self->{deny_reset};
1580		2273
1581	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2274	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1582	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2275	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1583		2276
…		…
1594	my ($self) = @_;	2287	my ($self) = @_;
1595		2288
1596	my $lock = cf::lock_acquire "map_data:$self->{path}";	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
1597		2290
1598	return if $self->players;	2291	return if $self->players;
1599	return if $self->isa ("ext::map_per_player");#d#
1600		2292
1601	warn "resetting map ", $self->path;#d#	2293	warn "resetting map ", $self->path;
		2294
		2295	$self->in_memory (cf::MAP_SWAPPED);
		2296
		2297	# need to save uniques path
		2298	unless ($self->{deny_save}) {
		2299	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2300
		2301	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2302	if $uniq;
		2303	}
1602		2304
1603	delete $cf::MAP{$self->path};	2305	delete $cf::MAP{$self->path};
1604		2306
1605	$self->in_memory (cf::MAP_SWAPPED);	2307	$self->deactivate;
		2308	$_->clear_links_to ($self) for values %cf::MAP;
1606	$self->clear;	2309	$self->clear;
1607
1608	$_->clear_links_to ($self) for values %cf::MAP;
1609		2310
1610	$self->unlink_save;	2311	$self->unlink_save;
1611	$self->destroy;	2312	$self->destroy;
1612	}	2313	}
1613		2314
1614	my $nuke_counter = "aaaa";	2315	my $nuke_counter = "aaaa";
1615		2316
1616	sub nuke {	2317	sub nuke {
1617	my ($self) = @_;	2318	my ($self) = @_;
1618		2319
		2320	{
		2321	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2322
1619	delete $cf::MAP{$self->path};	2323	delete $cf::MAP{$self->path};
1620		2324
1621	$self->unlink_save;	2325	$self->unlink_save;
1622		2326
1623	bless $self, "cf::map";	2327	bless $self, "cf::map";
1624	delete $self->{deny_reset};	2328	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	2329	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	2330	$self->reset_timeout (1);
1627	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2331	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1628		2332
1629	$cf::MAP{$self->path} = $self;	2333	$cf::MAP{$self->path} = $self;
		2334	}
1630		2335
1631	$self->reset; # polite request, might not happen	2336	$self->reset; # polite request, might not happen
		2337	}
		2338
		2339	=item $maps = cf::map::tmp_maps
		2340
		2341	Returns an arrayref with all map paths of currently instantiated and saved
		2342	maps. May block.
		2343
		2344	=cut
		2345
		2346	sub tmp_maps() {
		2347	[
		2348	map {
		2349	utf8::decode $_;
		2350	/\.map$/
		2351	? normalise $_
		2352	: ()
		2353	} @{ aio_readdir $TMPDIR or [] }
		2354	]
		2355	}
		2356
		2357	=item $maps = cf::map::random_maps
		2358
		2359	Returns an arrayref with all map paths of currently instantiated and saved
		2360	random maps. May block.
		2361
		2362	=cut
		2363
		2364	sub random_maps() {
		2365	[
		2366	map {
		2367	utf8::decode $_;
		2368	/\.map$/
		2369	? normalise "?random/$_"
		2370	: ()
		2371	} @{ aio_readdir $RANDOMDIR or [] }
		2372	]
1632	}	2373	}
1633		2374
1634	=item cf::map::unique_maps	2375	=item cf::map::unique_maps
1635		2376
1636	Returns an arrayref of paths of all shared maps that have	2377	Returns an arrayref of paths of all shared maps that have
1637	instantiated unique items. May block.	2378	instantiated unique items. May block.
1638		2379
1639	=cut	2380	=cut
1640		2381
1641	sub unique_maps() {	2382	sub unique_maps() {
1642	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2383	[
1643	or return;	2384	map {
1644
1645	my @paths;
1646
1647	for (@$files) {
1648	utf8::decode $_;	2385	utf8::decode $_;
1649	next if /\.pst$/;	2386	s/\.map$//; # TODO future compatibility hack
1650	next unless /^$PATH_SEP/o;	2387	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1651		2388	? ()
1652	push @paths, cf::map::normalise $_;	2389	: normalise $_
		2390	} @{ aio_readdir $UNIQUEDIR or [] }
1653	}	2391	]
1654
1655	\@paths
1656	}	2392	}
1657
1658	package cf;
1659		2393
1660	=back	2394	=back
1661		2395
1662	=head3 cf::object	2396	=head3 cf::object
1663		2397
…		…
1667		2401
1668	=over 4	2402	=over 4
1669		2403
1670	=item $ob->inv_recursive	2404	=item $ob->inv_recursive
1671		2405
1672	Returns the inventory of the object _and_ their inventories, recursively.	2406	Returns the inventory of the object I<and> their inventories, recursively,
		2407	but I<not> the object itself.
1673		2408
1674	=cut	2409	=cut
1675		2410
1676	sub inv_recursive_;	2411	sub inv_recursive_;
1677	sub inv_recursive_ {	2412	sub inv_recursive_ {
…		…
1680		2415
1681	sub inv_recursive {	2416	sub inv_recursive {
1682	inv_recursive_ inv $_[0]	2417	inv_recursive_ inv $_[0]
1683	}	2418	}
1684		2419
		2420	=item $ref = $ob->ref
		2421
		2422	Creates and returns a persistent reference to an object that can be stored as a string.
		2423
		2424	=item $ob = cf::object::deref ($refstring)
		2425
		2426	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2427	even if the object actually exists. May block.
		2428
		2429	=cut
		2430
		2431	sub deref {
		2432	my ($ref) = @_;
		2433
		2434	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2435	my ($uuid, $name) = ($1, $2);
		2436	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2437	or return;
		2438	$pl->ob->uuid eq $uuid
		2439	or return;
		2440
		2441	$pl->ob
		2442	} else {
		2443	warn "$ref: cannot resolve object reference\n";
		2444	undef
		2445	}
		2446	}
		2447
1685	package cf;	2448	package cf;
1686		2449
1687	=back	2450	=back
1688		2451
1689	=head3 cf::object::player	2452	=head3 cf::object::player
…		…
1695	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2458	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1696	can be C<undef>. Does the right thing when the player is currently in a	2459	can be C<undef>. Does the right thing when the player is currently in a
1697	dialogue with the given NPC character.	2460	dialogue with the given NPC character.
1698		2461
1699	=cut	2462	=cut
		2463
		2464	our $SAY_CHANNEL = {
		2465	id => "say",
		2466	title => "Map",
		2467	reply => "say ",
		2468	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2469	};
		2470
		2471	our $CHAT_CHANNEL = {
		2472	id => "chat",
		2473	title => "Chat",
		2474	reply => "chat ",
		2475	tooltip => "Player chat and shouts, global to the server.",
		2476	};
1700		2477
1701	# rough implementation of a future "reply" method that works	2478	# rough implementation of a future "reply" method that works
1702	# with dialog boxes.	2479	# with dialog boxes.
1703	#TODO: the first argument must go, split into a $npc->reply_to ( method	2480	#TODO: the first argument must go, split into a $npc->reply_to ( method
1704	sub cf::object::player::reply($$$;$) {	2481	sub cf::object::player::reply($$$;$) {
…		…
1706		2483
1707	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2484	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1708		2485
1709	if ($self->{record_replies}) {	2486	if ($self->{record_replies}) {
1710	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2487	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2488
1711	} else {	2489	} else {
		2490	my $pl = $self->contr;
		2491
		2492	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2493	my $dialog = $pl->{npc_dialog};
		2494	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2495
		2496	} else {
1712	$msg = $npc->name . " says: $msg" if $npc;	2497	$msg = $npc->name . " says: $msg" if $npc;
1713	$self->message ($msg, $flags);	2498	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2499	}
1714	}	2500	}
		2501	}
		2502
		2503	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2504
		2505	=cut
		2506
		2507	sub cf::object::send_msg {
		2508	my $pl = shift->contr
		2509	or return;
		2510	$pl->send_msg (@_);
1715	}	2511	}
1716		2512
1717	=item $player_object->may ("access")	2513	=item $player_object->may ("access")
1718		2514
1719	Returns wether the given player is authorized to access resource "access"	2515	Returns wether the given player is authorized to access resource "access"
…		…
1766	$self->deactivate_recursive;	2562	$self->deactivate_recursive;
1767		2563
1768	return if UNIVERSAL::isa $self->map, "ext::map_link";	2564	return if UNIVERSAL::isa $self->map, "ext::map_link";
1769		2565
1770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2566	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1771	if $self->map;	2567	if $self->map && $self->map->{path} ne "{link}";
1772		2568
1773	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2569	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1774	}	2570	}
1775		2571
1776	sub cf::object::player::leave_link {	2572	sub cf::object::player::leave_link {
1777	my ($self, $map, $x, $y) = @_;	2573	my ($self, $map, $x, $y) = @_;
		2574
		2575	return unless $self->contr->active;
1778		2576
1779	my $link_pos = delete $self->{_link_pos};	2577	my $link_pos = delete $self->{_link_pos};
1780		2578
1781	unless ($map) {	2579	unless ($map) {
1782	# restore original map position	2580	# restore original map position
…		…
1796	# use -1 or undef as default coordinates, not 0, 0	2594	# use -1 or undef as default coordinates, not 0, 0
1797	($x, $y) = ($map->enter_x, $map->enter_y)	2595	($x, $y) = ($map->enter_x, $map->enter_y)
1798	if $x <=0 && $y <= 0;	2596	if $x <=0 && $y <= 0;
1799		2597
1800	$map->load;	2598	$map->load;
1801	$map->load_diag;	2599	$map->load_neighbours;
1802		2600
1803	return unless $self->contr->active;	2601	return unless $self->contr->active;
1804	$self->activate_recursive;	2602	$self->activate_recursive;
		2603
		2604	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1805	$self->enter_map ($map, $x, $y);	2605	$self->enter_map ($map, $x, $y);
1806	}	2606	}
1807		2607
1808	cf::player->attach (	2608	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1809	on_logout => sub {
1810	my ($pl) = @_;
1811		2609
1812	# abort map switching before logout	2610	Moves the player to the given map-path and coordinates by first freezing
1813	if ($pl->ob->{_link_pos}) {	2611	her, loading and preparing them map, calling the provided $check callback
1814	cf::sync_job {	2612	that has to return the map if sucecssful, and then unfreezes the player on
1815	$pl->ob->leave_link	2613	the new (success) or old (failed) map position. In either case, $done will
1816	};	2614	be called at the end of this process.
1817	}
1818	},
1819	on_login => sub {
1820	my ($pl) = @_;
1821		2615
1822	# try to abort aborted map switching on player login :)
1823	# should happen only on crashes
1824	if ($pl->ob->{_link_pos}) {
1825	$pl->ob->enter_link;
1826	(async {
1827	# we need this sleep as the login has a concurrent enter_exit running
1828	# and this sleep increases chances of the player not ending up in scorn
1829	$pl->ob->reply (undef,
1830	"There was an internal problem at your last logout, "
1831	. "the server will try to bring you to your intended destination in a second.",
1832	cf::NDI_RED);
1833	Coro::Timer::sleep 1;
1834	$pl->ob->leave_link;
1835	})->prio (2);
1836	}
1837	},
1838	);
1839
1840	=item $player_object->goto ($path, $x, $y)
1841
1842	=cut	2616	=cut
		2617
		2618	our $GOTOGEN;
1843		2619
1844	sub cf::object::player::goto {	2620	sub cf::object::player::goto {
1845	my ($self, $path, $x, $y) = @_;	2621	my ($self, $path, $x, $y, $check, $done) = @_;
		2622
		2623	# do generation counting so two concurrent goto's will be executed in-order
		2624	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1846		2625
1847	$self->enter_link;	2626	$self->enter_link;
1848		2627
1849	(async {	2628	(async {
		2629	$Coro::current->{desc} = "player::goto $path $x $y";
		2630
		2631	# *tag paths override both path and x|y
		2632	if ($path =~ /^\*(.*)$/) {
		2633	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2634	my $ob = $obs[rand @obs];
		2635
		2636	# see if we actually can go there
		2637	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2638	$ob = $obs[rand @obs];
		2639	} else {
		2640	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2641	}
		2642	# else put us there anyways for now #d#
		2643
		2644	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2645	} else {
		2646	($path, $x, $y) = (undef, undef, undef);
		2647	}
		2648	}
		2649
1850	my $map = eval {	2650	my $map = eval {
1851	my $map = cf::map::find $path;	2651	my $map = defined $path ? cf::map::find $path : undef;
		2652
		2653	if ($map) {
1852	$map = $map->customise_for ($self) if $map;	2654	$map = $map->customise_for ($self);
		2655	$map = $check->($map) if $check && $map;
		2656	} else {
		2657	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2658	}
		2659
1853	$map	2660	$map
		2661	};
		2662
		2663	if ($@) {
		2664	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2665	LOG llevError | logBacktrace, Carp::longmess $@;
1854	} or	2666	}
1855	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1856		2667
		2668	if ($gen == $self->{_goto_generation}) {
		2669	delete $self->{_goto_generation};
1857	$self->leave_link ($map, $x, $y);	2670	$self->leave_link ($map, $x, $y);
		2671	}
		2672
		2673	$done->() if $done;
1858	})->prio (1);	2674	})->prio (1);
1859	}	2675	}
1860		2676
1861	=item $player_object->enter_exit ($exit_object)	2677	=item $player_object->enter_exit ($exit_object)
1862		2678
…		…
1899	$rmp->{origin_y} = $exit->y;	2715	$rmp->{origin_y} = $exit->y;
1900	}	2716	}
1901		2717
1902	$rmp->{random_seed} ||= $exit->random_seed;	2718	$rmp->{random_seed} ||= $exit->random_seed;
1903		2719
1904	my $data = cf::to_json $rmp;	2720	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1905	my $md5 = Digest::MD5::md5_hex $data;	2721	my $md5 = Digest::MD5::md5_hex $data;
1906	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2722	my $meta = "$RANDOMDIR/$md5.meta";
1907		2723
1908	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2724	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1909	aio_write $fh, 0, (length $data), $data, 0;	2725	aio_write $fh, 0, (length $data), $data, 0;
1910	undef $fh;	2726	undef $fh;
1911	aio_rename "$meta~", $meta;	2727	aio_rename "$meta~", $meta;
…		…
1920		2736
1921	return unless $self->type == cf::PLAYER;	2737	return unless $self->type == cf::PLAYER;
1922		2738
1923	if ($exit->slaying eq "/!") {	2739	if ($exit->slaying eq "/!") {
1924	#TODO: this should de-fi-ni-te-ly not be a sync-job	2740	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2741	# the problem is that $exit might not survive long enough
		2742	# so it needs to be done right now, right here
1925	cf::sync_job { prepare_random_map $exit };	2743	cf::sync_job { prepare_random_map $exit };
1926	}	2744	}
1927		2745
1928	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2746	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1929	my $hp = $exit->stats->hp;	2747	my $hp = $exit->stats->hp;
1930	my $sp = $exit->stats->sp;	2748	my $sp = $exit->stats->sp;
1931		2749
1932	$self->enter_link;	2750	$self->enter_link;
1933		2751
		2752	# if exit is damned, update players death & WoR home-position
		2753	$self->contr->savebed ($slaying, $hp, $sp)
		2754	if $exit->flag (FLAG_DAMNED);
		2755
1934	(async {	2756	(async {
		2757	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2758
1935	$self->deactivate_recursive; # just to be sure	2759	$self->deactivate_recursive; # just to be sure
1936	unless (eval {	2760	unless (eval {
1937	$self->goto ($slaying, $hp, $sp);	2761	$self->goto ($slaying, $hp, $sp);
1938		2762
1939	1;	2763	1;
1940	}) {	2764	}) {
1941	$self->message ("Something went wrong deep within the crossfire server. "	2765	$self->message ("Something went wrong deep within the crossfire server. "
1942	. "I'll try to bring you back to the map you were before. "	2766	. "I'll try to bring you back to the map you were before. "
1943	. "Please report this to the dungeon master!",	2767	. "Please report this to the dungeon master!",
1944	cf::NDI_UNIQUE | cf::NDI_RED);	2768	cf::NDI_UNIQUE | cf::NDI_RED);
1945		2769
1946	warn "ERROR in enter_exit: $@";	2770	warn "ERROR in enter_exit: $@";
1947	$self->leave_link;	2771	$self->leave_link;
1948	}	2772	}
1949	})->prio (1);	2773	})->prio (1);
…		…
1962		2786
1963	sub cf::client::send_drawinfo {	2787	sub cf::client::send_drawinfo {
1964	my ($self, $text, $flags) = @_;	2788	my ($self, $text, $flags) = @_;
1965		2789
1966	utf8::encode $text;	2790	utf8::encode $text;
1967	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2791	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1968	}	2792	}
1969		2793
		2794	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2795
		2796	Send a drawinfo or msg packet to the client, formatting the msg for the
		2797	client if neccessary. C<$type> should be a string identifying the type of
		2798	the message, with C<log> being the default. If C<$color> is negative, suppress
		2799	the message unless the client supports the msg packet.
		2800
		2801	=cut
		2802
		2803	# non-persistent channels (usually the info channel)
		2804	our %CHANNEL = (
		2805	"c/identify" => {
		2806	id => "infobox",
		2807	title => "Identify",
		2808	reply => undef,
		2809	tooltip => "Items recently identified",
		2810	},
		2811	"c/examine" => {
		2812	id => "infobox",
		2813	title => "Examine",
		2814	reply => undef,
		2815	tooltip => "Signs and other items you examined",
		2816	},
		2817	"c/book" => {
		2818	id => "infobox",
		2819	title => "Book",
		2820	reply => undef,
		2821	tooltip => "The contents of a note or book",
		2822	},
		2823	"c/lookat" => {
		2824	id => "infobox",
		2825	title => "Look",
		2826	reply => undef,
		2827	tooltip => "What you saw there",
		2828	},
		2829	"c/who" => {
		2830	id => "infobox",
		2831	title => "Players",
		2832	reply => undef,
		2833	tooltip => "Shows players who are currently online",
		2834	},
		2835	"c/body" => {
		2836	id => "infobox",
		2837	title => "Body Parts",
		2838	reply => undef,
		2839	tooltip => "Shows which body parts you posess and are available",
		2840	},
		2841	"c/uptime" => {
		2842	id => "infobox",
		2843	title => "Uptime",
		2844	reply => undef,
		2845	tooltip => "How long the server has been running since last restart",
		2846	},
		2847	"c/mapinfo" => {
		2848	id => "infobox",
		2849	title => "Map Info",
		2850	reply => undef,
		2851	tooltip => "Information related to the maps",
		2852	},
		2853	"c/party" => {
		2854	id => "party",
		2855	title => "Party",
		2856	reply => "gsay ",
		2857	tooltip => "Messages and chat related to your party",
		2858	},
		2859	);
		2860
		2861	sub cf::client::send_msg {
		2862	my ($self, $channel, $msg, $color, @extra) = @_;
		2863
		2864	$msg = $self->pl->expand_cfpod ($msg);
		2865
		2866	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2867
		2868	# check predefined channels, for the benefit of C
		2869	if ($CHANNEL{$channel}) {
		2870	$channel = $CHANNEL{$channel};
		2871
		2872	$self->ext_msg (channel_info => $channel)
		2873	if $self->can_msg;
		2874
		2875	$channel = $channel->{id};
		2876
		2877	} elsif (ref $channel) {
		2878	# send meta info to client, if not yet sent
		2879	unless (exists $self->{channel}{$channel->{id}}) {
		2880	$self->{channel}{$channel->{id}} = $channel;
		2881	$self->ext_msg (channel_info => $channel)
		2882	if $self->can_msg;
		2883	}
		2884
		2885	$channel = $channel->{id};
		2886	}
		2887
		2888	return unless @extra || length $msg;
		2889
		2890	if ($self->can_msg) {
		2891	# default colour, mask it out
		2892	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2893	if $color & cf::NDI_DEF;
		2894
		2895	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2896	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2897	} else {
		2898	if ($color >= 0) {
		2899	# replace some tags by gcfclient-compatible ones
		2900	for ($msg) {
		2901	1 while
		2902	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2903	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2904	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2905	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2906	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2907	}
		2908
		2909	$color &= cf::NDI_COLOR_MASK;
		2910
		2911	utf8::encode $msg;
		2912
		2913	if (0 && $msg =~ /\[/) {
		2914	# COMMAND/INFO
		2915	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2916	} else {
		2917	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2918	$self->send_packet ("drawinfo $color $msg")
		2919	}
		2920	}
		2921	}
		2922	}
		2923
		2924	=item $client->ext_msg ($type, @msg)
		2925
		2926	Sends an ext event to the client.
		2927
		2928	=cut
		2929
		2930	sub cf::client::ext_msg($$@) {
		2931	my ($self, $type, @msg) = @_;
		2932
		2933	if ($self->extcmd == 2) {
		2934	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2935	} elsif ($self->extcmd == 1) { # TODO: remove
		2936	push @msg, msgtype => "event_$type";
		2937	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2938	}
		2939	}
		2940
		2941	=item $client->ext_reply ($msgid, @msg)
		2942
		2943	Sends an ext reply to the client.
		2944
		2945	=cut
		2946
		2947	sub cf::client::ext_reply($$@) {
		2948	my ($self, $id, @msg) = @_;
		2949
		2950	if ($self->extcmd == 2) {
		2951	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2952	} elsif ($self->extcmd == 1) {
		2953	#TODO: version 1, remove
		2954	unshift @msg, msgtype => "reply", msgid => $id;
		2955	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2956	}
		2957	}
1970		2958
1971	=item $success = $client->query ($flags, "text", \&cb)	2959	=item $success = $client->query ($flags, "text", \&cb)
1972		2960
1973	Queues a query to the client, calling the given callback with	2961	Queues a query to the client, calling the given callback with
1974	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2962	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1975	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2963	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1976		2964
1977	Queries can fail, so check the return code. Or don't, as queries will become	2965	Queries can fail, so check the return code. Or don't, as queries will
1978	reliable at some point in the future.	2966	become reliable at some point in the future.
1979		2967
1980	=cut	2968	=cut
1981		2969
1982	sub cf::client::query {	2970	sub cf::client::query {
1983	my ($self, $flags, $text, $cb) = @_;	2971	my ($self, $flags, $text, $cb) = @_;
…		…
1991	utf8::encode $text;	2979	utf8::encode $text;
1992	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2980	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1993		2981
1994	$self->send_packet ($self->{query_queue}[0][0])	2982	$self->send_packet ($self->{query_queue}[0][0])
1995	if @{ $self->{query_queue} } == 1;	2983	if @{ $self->{query_queue} } == 1;
		2984
		2985	1
1996	}	2986	}
1997		2987
1998	cf::client->attach (	2988	cf::client->attach (
		2989	on_connect => sub {
		2990	my ($ns) = @_;
		2991
		2992	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2993	},
1999	on_reply => sub {	2994	on_reply => sub {
2000	my ($ns, $msg) = @_;	2995	my ($ns, $msg) = @_;
2001		2996
2002	# this weird shuffling is so that direct followup queries	2997	# this weird shuffling is so that direct followup queries
2003	# get handled first	2998	# get handled first
2004	my $queue = delete $ns->{query_queue}	2999	my $queue = delete $ns->{query_queue}
2005	or return; # be conservative, not sure how that can happen, but we saw a crash here	3000	or return; # be conservative, not sure how that can happen, but we saw a crash here
2006		3001
2007	(shift @$queue)->[1]->($msg);	3002	(shift @$queue)->[1]->($msg);
		3003	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
2008		3004
2009	push @{ $ns->{query_queue} }, @$queue;	3005	push @{ $ns->{query_queue} }, @$queue;
2010		3006
2011	if (@{ $ns->{query_queue} } == @$queue) {	3007	if (@{ $ns->{query_queue} } == @$queue) {
2012	if (@$queue) {	3008	if (@$queue) {
…		…
2014	} else {	3010	} else {
2015	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3011	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2016	}	3012	}
2017	}	3013	}
2018	},	3014	},
		3015	on_exticmd => sub {
		3016	my ($ns, $buf) = @_;
		3017
		3018	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3019
		3020	if (ref $msg) {
		3021	my ($type, $reply, @payload) =
		3022	"ARRAY" eq ref $msg
		3023	? @$msg
		3024	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3025
		3026	my @reply;
		3027
		3028	if (my $cb = $EXTICMD{$type}) {
		3029	@reply = $cb->($ns, @payload);
		3030	}
		3031
		3032	$ns->ext_reply ($reply, @reply)
		3033	if $reply;
		3034
		3035	} else {
		3036	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3037	}
		3038
		3039	cf::override;
		3040	},
2019	);	3041	);
2020		3042
2021	=item $client->async (\&cb)	3043	=item $client->async (\&cb)
2022		3044
2023	Create a new coroutine, running the specified callback. The coroutine will	3045	Create a new coroutine, running the specified callback. The coroutine will
…		…
2064	our $safe = new Safe "safe";	3086	our $safe = new Safe "safe";
2065	our $safe_hole = new Safe::Hole;	3087	our $safe_hole = new Safe::Hole;
2066		3088
2067	$SIG{FPE} = 'IGNORE';	3089	$SIG{FPE} = 'IGNORE';
2068		3090
2069	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3091	$safe->permit_only (Opcode::opset qw(
		3092	:base_core :base_mem :base_orig :base_math
		3093	grepstart grepwhile mapstart mapwhile
		3094	sort time
		3095	));
2070		3096
2071	# here we export the classes and methods available to script code	3097	# here we export the classes and methods available to script code
2072		3098
2073	=pod	3099	=pod
2074		3100
2075	The following fucntions and emthods are available within a safe environment:	3101	The following functions and methods are available within a safe environment:
2076		3102
2077	cf::object contr pay_amount pay_player map	3103	cf::object
		3104	contr pay_amount pay_player map x y force_find force_add destroy
		3105	insert remove name archname title slaying race decrease split
		3106
2078	cf::object::player player	3107	cf::object::player
2079	cf::player peaceful	3108	player
2080	cf::map trigger	3109
		3110	cf::player
		3111	peaceful
		3112
		3113	cf::map
		3114	trigger
2081		3115
2082	=cut	3116	=cut
2083		3117
2084	for (	3118	for (
2085	["cf::object" => qw(contr pay_amount pay_player map)],	3119	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3120	insert remove inv name archname title slaying race
		3121	decrease split destroy)],
2086	["cf::object::player" => qw(player)],	3122	["cf::object::player" => qw(player)],
2087	["cf::player" => qw(peaceful)],	3123	["cf::player" => qw(peaceful)],
2088	["cf::map" => qw(trigger)],	3124	["cf::map" => qw(trigger)],
2089	) {	3125	) {
2090	no strict 'refs';	3126	no strict 'refs';
…		…
2161	=back	3197	=back
2162		3198
2163	=cut	3199	=cut
2164		3200
2165	#############################################################################	3201	#############################################################################
		3202	# the server's init and main functions
2166		3203
2167	=head2 EXTENSION DATABASE SUPPORT	3204	sub load_facedata($) {
		3205	my ($path) = @_;
2168		3206
2169	Crossfire maintains a very simple database for extension use. It can	3207	# HACK to clear player env face cache, we need some signal framework
2170	currently store anything that can be serialised using Storable, which	3208	# for this (global event?)
2171	excludes objects.	3209	%ext::player_env::MUSIC_FACE_CACHE = ();
2172		3210
2173	The parameter C<$family> should best start with the name of the extension	3211	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2174	using it, it should be unique.
2175		3212
2176	=over 4	3213	warn "loading facedata from $path\n";
2177		3214
2178	=item $hashref = cf::db_get $family	3215	my $facedata;
		3216	0 < aio_load $path, $facedata
		3217	or die "$path: $!";
2179		3218
2180	Return a hashref for use by the extension C<$family>, which can be	3219	$facedata = Coro::Storable::thaw $facedata;
2181	modified. After modifications, you have to call C<cf::db_dirty> or
2182	C<cf::db_sync>.
2183		3220
2184	=item $value = cf::db_get $family => $key	3221	$facedata->{version} == 2
		3222	or cf::cleanup "$path: version mismatch, cannot proceed.";
2185		3223
2186	Returns a single value from the database	3224	# patch in the exptable
2187		3225	$facedata->{resource}{"res/exp_table"} = {
2188	=item cf::db_put $family => $hashref	3226	type => FT_RSRC,
2189		3227	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2190	Stores the given family hashref into the database. Updates are delayed, if
2191	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2192
2193	=item cf::db_put $family => $key => $value
2194
2195	Stores the given C<$value> in the family hash. Updates are delayed, if you
2196	want the data to be synced to disk immediately, use C<cf::db_sync>.
2197
2198	=item cf::db_dirty
2199
2200	Marks the database as dirty, to be updated at a later time.
2201
2202	=item cf::db_sync
2203
2204	Immediately write the database to disk I<if it is dirty>.
2205
2206	=cut
2207
2208	our $DB;
2209
2210	{
2211	my $path = cf::localdir . "/database.pst";
2212
2213	sub db_load() {
2214	$DB = stat $path ? Storable::retrieve $path : { };
2215	}	3228	};
		3229	cf::cede_to_tick;
2216		3230
2217	my $pid;
2218
2219	sub db_save() {
2220	waitpid $pid, 0 if $pid;
2221	if (0 == ($pid = fork)) {
2222	$DB->{_meta}{version} = 1;
2223	Storable::nstore $DB, "$path~";
2224	rename "$path~", $path;
2225	cf::_exit 0 if defined $pid;
2226	}
2227	}	3231	{
		3232	my $faces = $facedata->{faceinfo};
2228		3233
2229	my $dirty;	3234	while (my ($face, $info) = each %$faces) {
		3235	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2230		3236
2231	sub db_sync() {	3237	cf::face::set_visibility $idx, $info->{visibility};
2232	db_save if $dirty;	3238	cf::face::set_magicmap $idx, $info->{magicmap};
2233	undef $dirty;	3239	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2234	}	3240	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2235		3241
2236	my $idle = Event->idle (	3242	cf::cede_to_tick;
2237	reentrant => 0,
2238	min => 10,
2239	max => 20,
2240	repeat => 0,
2241	data => WF_AUTOCANCEL,
2242	cb => \&db_sync,
2243	);
2244
2245	sub db_dirty() {
2246	$dirty = 1;
2247	$idle->start;
2248	}
2249
2250	sub db_get($;$) {
2251	@_ >= 2
2252	? $DB->{$_[0]}{$_[1]}
2253	: ($DB->{$_[0]} ||= { })
2254	}
2255
2256	sub db_put($$;$) {
2257	if (@_ >= 3) {
2258	$DB->{$_[0]}{$_[1]} = $_[2];
2259	} else {
2260	$DB->{$_[0]} = $_[1];
2261	}
2262	db_dirty;
2263	}
2264
2265	cf::global->attach (
2266	prio => 10000,
2267	on_cleanup => sub {
2268	db_sync;
2269	},	3243	}
2270	);
2271	}
2272		3244
2273	#############################################################################	3245	while (my ($face, $info) = each %$faces) {
2274	# the server's main()	3246	next unless $info->{smooth};
2275		3247
2276	sub cfg_load {	3248	my $idx = cf::face::find $face
		3249	or next;
		3250
		3251	if (my $smooth = cf::face::find $info->{smooth}) {
		3252	cf::face::set_smooth $idx, $smooth;
		3253	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3254	} else {
		3255	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3256	}
		3257
		3258	cf::cede_to_tick;
		3259	}
		3260	}
		3261
		3262	{
		3263	my $anims = $facedata->{animinfo};
		3264
		3265	while (my ($anim, $info) = each %$anims) {
		3266	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3267	cf::cede_to_tick;
		3268	}
		3269
		3270	cf::anim::invalidate_all; # d'oh
		3271	}
		3272
		3273	{
		3274	# TODO: for gcfclient pleasure, we should give resources
		3275	# that gcfclient doesn't grok a >10000 face index.
		3276	my $res = $facedata->{resource};
		3277
		3278	while (my ($name, $info) = each %$res) {
		3279	if (defined $info->{type}) {
		3280	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3281	my $data;
		3282
		3283	if ($info->{type} & 1) {
		3284	# prepend meta info
		3285
		3286	my $meta = $enc->encode ({
		3287	name => $name,
		3288	%{ $info->{meta} || {} },
		3289	});
		3290
		3291	$data = pack "(w/a*)*", $meta, $info->{data};
		3292	} else {
		3293	$data = $info->{data};
		3294	}
		3295
		3296	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3297	cf::face::set_type $idx, $info->{type};
		3298	} else {
		3299	$RESOURCE{$name} = $info;
		3300	}
		3301
		3302	cf::cede_to_tick;
		3303	}
		3304	}
		3305
		3306	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3307
		3308	1
		3309	}
		3310
		3311	cf::global->attach (on_resource_update => sub {
		3312	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3313	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3314
		3315	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3316	my $sound = $soundconf->{compat}[$_]
		3317	or next;
		3318
		3319	my $face = cf::face::find "sound/$sound->[1]";
		3320	cf::sound::set $sound->[0] => $face;
		3321	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3322	}
		3323
		3324	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3325	my $face = cf::face::find "sound/$v";
		3326	cf::sound::set $k => $face;
		3327	}
		3328	}
		3329	});
		3330
		3331	register_exticmd fx_want => sub {
		3332	my ($ns, $want) = @_;
		3333
		3334	while (my ($k, $v) = each %$want) {
		3335	$ns->fx_want ($k, $v);
		3336	}
		3337	};
		3338
		3339	sub load_resource_file($) {
		3340	my $guard = lock_acquire "load_resource_file";
		3341
		3342	my $status = load_resource_file_ $_[0];
		3343	get_slot 0.1, 100;
		3344	cf::arch::commit_load;
		3345
		3346	$status
		3347	}
		3348
		3349	sub reload_regions {
		3350	# HACK to clear player env face cache, we need some signal framework
		3351	# for this (global event?)
		3352	%ext::player_env::MUSIC_FACE_CACHE = ();
		3353
		3354	load_resource_file "$MAPDIR/regions"
		3355	or die "unable to load regions file\n";
		3356
		3357	for (cf::region::list) {
		3358	$_->{match} = qr/$_->{match}/
		3359	if exists $_->{match};
		3360	}
		3361	}
		3362
		3363	sub reload_facedata {
		3364	load_facedata "$DATADIR/facedata"
		3365	or die "unable to load facedata\n";
		3366	}
		3367
		3368	sub reload_archetypes {
		3369	load_resource_file "$DATADIR/archetypes"
		3370	or die "unable to load archetypes\n";
		3371	}
		3372
		3373	sub reload_treasures {
		3374	load_resource_file "$DATADIR/treasures"
		3375	or die "unable to load treasurelists\n";
		3376	}
		3377
		3378	sub reload_resources {
		3379	warn "reloading resource files...\n";
		3380
		3381	reload_facedata;
		3382	reload_archetypes;
		3383	reload_regions;
		3384	reload_treasures;
		3385
		3386	warn "finished reloading resource files\n";
		3387	}
		3388
		3389	sub init {
		3390	my $guard = freeze_mainloop;
		3391
		3392	reload_resources;
		3393	}
		3394
		3395	sub reload_config {
2277	open my $fh, "<:utf8", cf::confdir . "/config"	3396	open my $fh, "<:utf8", "$CONFDIR/config"
2278	or return;	3397	or return;
2279		3398
2280	local $/;	3399	local $/;
2281	*CFG = YAML::Syck::Load <$fh>;	3400	*CFG = YAML::Load <$fh>;
2282		3401
2283	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3402	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2284		3403
2285	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3404	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2286	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3405	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2297	sub main {	3416	sub main {
2298	# we must not ever block the main coroutine	3417	# we must not ever block the main coroutine
2299	local $Coro::idle = sub {	3418	local $Coro::idle = sub {
2300	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3419	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2301	(async {	3420	(async {
2302	Event::one_event;	3421	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3422	EV::loop EV::LOOP_ONESHOT;
2303	})->prio (Coro::PRIO_MAX);	3423	})->prio (Coro::PRIO_MAX);
2304	};	3424	};
2305		3425
2306	cfg_load;	3426	{
2307	db_load;	3427	my $guard = freeze_mainloop;
		3428	reload_config;
		3429	db_init;
2308	load_extensions;	3430	load_extensions;
2309		3431
2310	$TICK_WATCHER->start;	3432	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3433	evthread_start IO::AIO::poll_fileno;
		3434	}
		3435
2311	Event::loop;	3436	EV::loop;
2312	}	3437	}
2313		3438
2314	#############################################################################	3439	#############################################################################
2315	# initialisation and cleanup	3440	# initialisation and cleanup
2316		3441
2317	# install some emergency cleanup handlers	3442	# install some emergency cleanup handlers
2318	BEGIN {	3443	BEGIN {
		3444	our %SIGWATCHER = ();
2319	for my $signal (qw(INT HUP TERM)) {	3445	for my $signal (qw(INT HUP TERM)) {
2320	Event->signal (	3446	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2321	reentrant => 0,
2322	data => WF_AUTOCANCEL,
2323	signal => $signal,
2324	prio => 0,
2325	cb => sub {
2326	cf::cleanup "SIG$signal";	3447	cf::cleanup "SIG$signal";
2327	},
2328	);	3448	};
		3449	}
		3450	}
		3451
		3452	sub write_runtime_sync {
		3453	my $runtime = "$LOCALDIR/runtime";
		3454
		3455	# first touch the runtime file to show we are still running:
		3456	# the fsync below can take a very very long time.
		3457
		3458	IO::AIO::aio_utime $runtime, undef, undef;
		3459
		3460	my $guard = cf::lock_acquire "write_runtime";
		3461
		3462	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3463	or return;
		3464
		3465	my $value = $cf::RUNTIME + 90 + 10;
		3466	# 10 is the runtime save interval, for a monotonic clock
		3467	# 60 allows for the watchdog to kill the server.
		3468
		3469	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3470	and return;
		3471
		3472	# always fsync - this file is important
		3473	aio_fsync $fh
		3474	and return;
		3475
		3476	# touch it again to show we are up-to-date
		3477	aio_utime $fh, undef, undef;
		3478
		3479	close $fh
		3480	or return;
		3481
		3482	aio_rename "$runtime~", $runtime
		3483	and return;
		3484
		3485	warn "runtime file written.\n";
		3486
2329	}	3487	1
		3488	}
		3489
		3490	our $uuid_lock;
		3491	our $uuid_skip;
		3492
		3493	sub write_uuid_sync($) {
		3494	$uuid_skip ||= $_[0];
		3495
		3496	return if $uuid_lock;
		3497	local $uuid_lock = 1;
		3498
		3499	my $uuid = "$LOCALDIR/uuid";
		3500
		3501	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3502	or return;
		3503
		3504	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3505	$uuid_skip = 0;
		3506
		3507	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3508	and return;
		3509
		3510	# always fsync - this file is important
		3511	aio_fsync $fh
		3512	and return;
		3513
		3514	close $fh
		3515	or return;
		3516
		3517	aio_rename "$uuid~", $uuid
		3518	and return;
		3519
		3520	warn "uuid file written ($value).\n";
		3521
		3522	1
		3523
		3524	}
		3525
		3526	sub write_uuid($$) {
		3527	my ($skip, $sync) = @_;
		3528
		3529	$sync ? write_uuid_sync $skip
		3530	: async { write_uuid_sync $skip };
2330	}	3531	}
2331		3532
2332	sub emergency_save() {	3533	sub emergency_save() {
2333	my $freeze_guard = cf::freeze_mainloop;	3534	my $freeze_guard = cf::freeze_mainloop;
2334		3535
…		…
2340	# and maps saved/destroyed asynchronously.	3541	# and maps saved/destroyed asynchronously.
2341	warn "begin emergency player save\n";	3542	warn "begin emergency player save\n";
2342	for my $login (keys %cf::PLAYER) {	3543	for my $login (keys %cf::PLAYER) {
2343	my $pl = $cf::PLAYER{$login} or next;	3544	my $pl = $cf::PLAYER{$login} or next;
2344	$pl->valid or next;	3545	$pl->valid or next;
		3546	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2345	$pl->save;	3547	$pl->save;
2346	}	3548	}
2347	warn "end emergency player save\n";	3549	warn "end emergency player save\n";
2348		3550
2349	warn "begin emergency map save\n";	3551	warn "begin emergency map save\n";
…		…
2351	my $map = $cf::MAP{$path} or next;	3553	my $map = $cf::MAP{$path} or next;
2352	$map->valid or next;	3554	$map->valid or next;
2353	$map->save;	3555	$map->save;
2354	}	3556	}
2355	warn "end emergency map save\n";	3557	warn "end emergency map save\n";
		3558
		3559	warn "begin emergency database checkpoint\n";
		3560	BDB::db_env_txn_checkpoint $DB_ENV;
		3561	warn "end emergency database checkpoint\n";
		3562
		3563	warn "begin write uuid\n";
		3564	write_uuid_sync 1;
		3565	warn "end write uuid\n";
2356	};	3566	};
2357		3567
2358	warn "leave emergency perl save\n";	3568	warn "leave emergency perl save\n";
2359	}	3569	}
2360		3570
		3571	sub post_cleanup {
		3572	my ($make_core) = @_;
		3573
		3574	warn Carp::longmess "post_cleanup backtrace"
		3575	if $make_core;
		3576	}
		3577
2361	sub reload() {	3578	sub do_reload_perl() {
2362	# can/must only be called in main	3579	# can/must only be called in main
2363	if ($Coro::current != $Coro::main) {	3580	if ($Coro::current != $Coro::main) {
2364	warn "can only reload from main coroutine";	3581	warn "can only reload from main coroutine";
2365	return;	3582	return;
2366	}	3583	}
2367		3584
2368	warn "reloading...";	3585	warn "reloading...";
2369		3586
2370	warn "cancelling server ticker";	3587	warn "entering sync_job";
2371	$TICK_WATCHER->cancel;
2372		3588
		3589	cf::sync_job {
		3590	cf::write_runtime_sync; # external watchdog should not bark
2373	cf::emergency_save;	3591	cf::emergency_save;
		3592	cf::write_runtime_sync; # external watchdog should not bark
2374		3593
2375	eval {	3594	warn "syncing database to disk";
		3595	BDB::db_env_txn_checkpoint $DB_ENV;
		3596
2376	# if anything goes wrong in here, we should simply crash as we already saved	3597	# if anything goes wrong in here, we should simply crash as we already saved
2377
2378	warn "syncing database to disk";
2379	cf::db_sync;
2380
2381	warn "cancelling all WF_AUTOCANCEL watchers";
2382	for (Event::all_watchers) {
2383	$_->cancel if $_->data & WF_AUTOCANCEL;
2384	}
2385		3598
2386	warn "flushing outstanding aio requests";	3599	warn "flushing outstanding aio requests";
2387	for (;;) {	3600	for (;;) {
		3601	BDB::flush;
2388	IO::AIO::flush;	3602	IO::AIO::flush;
2389	Coro::cede;	3603	Coro::cede_notself;
2390	last unless IO::AIO::nreqs;	3604	last unless IO::AIO::nreqs || BDB::nreqs;
2391	warn "iterate...";	3605	warn "iterate...";
2392	}	3606	}
		3607
		3608	++$RELOAD;
2393		3609
2394	warn "cancelling all extension coros";	3610	warn "cancelling all extension coros";
2395	$_->cancel for values %EXT_CORO;	3611	$_->cancel for values %EXT_CORO;
2396	%EXT_CORO = ();	3612	%EXT_CORO = ();
2397		3613
2398	warn "removing commands";	3614	warn "removing commands";
2399	%COMMAND = ();	3615	%COMMAND = ();
2400		3616
2401	warn "removing ext commands";	3617	warn "removing ext/exti commands";
2402	%EXTCMD = ();	3618	%EXTCMD = ();
		3619	%EXTICMD = ();
2403		3620
2404	warn "unloading/nuking all extensions";	3621	warn "unloading/nuking all extensions";
2405	for my $pkg (@EXTS) {	3622	for my $pkg (@EXTS) {
2406	warn "... unloading $pkg";	3623	warn "... unloading $pkg";
2407		3624
…		…
2437	Symbol::delete_package "safe::$_"	3654	Symbol::delete_package "safe::$_"
2438	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3655	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2439		3656
2440	warn "unloading cf.pm \"a bit\"";	3657	warn "unloading cf.pm \"a bit\"";
2441	delete $INC{"cf.pm"};	3658	delete $INC{"cf.pm"};
		3659	delete $INC{"cf/pod.pm"};
2442		3660
2443	# don't, removes xs symbols, too,	3661	# don't, removes xs symbols, too,
2444	# and global variables created in xs	3662	# and global variables created in xs
2445	#Symbol::delete_package __PACKAGE__;	3663	#Symbol::delete_package __PACKAGE__;
2446		3664
…		…
2449	warn "reloading cf.pm";	3667	warn "reloading cf.pm";
2450	require cf;	3668	require cf;
2451	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3669	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2452		3670
2453	warn "loading config and database again";	3671	warn "loading config and database again";
2454	cf::cfg_load;	3672	cf::reload_config;
2455	cf::db_load;
2456		3673
2457	warn "loading extensions";	3674	warn "loading extensions";
2458	cf::load_extensions;	3675	cf::load_extensions;
2459		3676
2460	warn "reattaching attachments to objects/players";	3677	warn "reattaching attachments to objects/players";
2461	_global_reattach;	3678	_global_reattach; # objects, sockets
2462	warn "reattaching attachments to maps";	3679	warn "reattaching attachments to maps";
2463	reattach $_ for values %MAP;	3680	reattach $_ for values %MAP;
		3681	warn "reattaching attachments to players";
		3682	reattach $_ for values %PLAYER;
2464		3683
2465	warn "restarting server ticker";	3684	warn "leaving sync_job";
2466		3685
2467	$TICK_WATCHER->start;	3686	1
		3687	} or do {
		3688	warn $@;
		3689	cf::cleanup "error while reloading, exiting.";
2468	};	3690	};
2469
2470	if ($@) {
2471	warn $@;
2472	warn "error while reloading, exiting.";
2473	exit 1;
2474	}
2475		3691
2476	warn "reloaded";	3692	warn "reloaded";
2477	};	3693	};
2478		3694
2479	our $RELOAD_WATCHER; # used only during reload	3695	our $RELOAD_WATCHER; # used only during reload
2480		3696
		3697	sub reload_perl() {
		3698	# doing reload synchronously and two reloads happen back-to-back,
		3699	# coro crashes during coro_state_free->destroy here.
		3700
		3701	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3702	do_reload_perl;
		3703	undef $RELOAD_WATCHER;
		3704	};
		3705	}
		3706
2481	register_command "reload" => sub {	3707	register_command "reload" => sub {
2482	my ($who, $arg) = @_;	3708	my ($who, $arg) = @_;
2483		3709
2484	if ($who->flag (FLAG_WIZ)) {	3710	if ($who->flag (FLAG_WIZ)) {
2485	$who->message ("reloading server.");	3711	$who->message ("reloading server.");
2486		3712	async {
2487	# doing reload synchronously and two reloads happen back-to-back,	3713	$Coro::current->{desc} = "perl_reload";
2488	# coro crashes during coro_state_free->destroy here.
2489
2490	$RELOAD_WATCHER ||= Event->timer (
2491	reentrant => 0,
2492	after => 0,
2493	data => WF_AUTOCANCEL,
2494	cb => sub {
2495	reload;	3714	reload_perl;
2496	undef $RELOAD_WATCHER;
2497	},
2498	);	3715	};
2499	}	3716	}
2500	};	3717	};
2501		3718
2502	unshift @INC, $LIBDIR;	3719	unshift @INC, $LIBDIR;
2503		3720
2504	my $bug_warning = 0;	3721	my $bug_warning = 0;
2505		3722
2506	$TICK_WATCHER = Event->timer (	3723	our @WAIT_FOR_TICK;
2507	reentrant => 0,	3724	our @WAIT_FOR_TICK_BEGIN;
2508	parked => 1,	3725
2509	prio => 0,	3726	sub wait_for_tick {
2510	at => $NEXT_TICK || $TICK,	3727	return if tick_inhibit || $Coro::current == $Coro::main;
2511	data => WF_AUTOCANCEL,	3728
2512	cb => sub {	3729	my $signal = new Coro::Signal;
		3730	push @WAIT_FOR_TICK, $signal;
		3731	$signal->wait;
		3732	}
		3733
		3734	sub wait_for_tick_begin {
		3735	return if tick_inhibit || $Coro::current == $Coro::main;
		3736
		3737	my $signal = new Coro::Signal;
		3738	push @WAIT_FOR_TICK_BEGIN, $signal;
		3739	$signal->wait;
		3740	}
		3741
		3742	sub tick {
2513	if ($Coro::current != $Coro::main) {	3743	if ($Coro::current != $Coro::main) {
2514	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3744	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2515	unless ++$bug_warning > 10;	3745	unless ++$bug_warning > 10;
2516	return;	3746	return;
2517	}	3747	}
2518		3748
2519	$NOW = Event::time;
2520
2521	cf::server_tick; # one server iteration	3749	cf::server_tick; # one server iteration
2522	$RUNTIME += $TICK;
2523	$NEXT_TICK += $TICK;
2524		3750
2525	$WAIT_FOR_TICK->broadcast;	3751	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2526	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3752	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2527		3753	Coro::async_pool {
2528	Event::sweep;	3754	$Coro::current->{desc} = "runtime saver";
2529	Coro::cede_notself;
2530
2531	# my $AFTER = Event::time;
2532	# warn $AFTER - $NOW;#d#
2533
2534	# if we are delayed by four ticks or more, skip them all
2535	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2536
2537	$TICK_WATCHER->at ($NEXT_TICK);
2538	$TICK_WATCHER->start;
2539	},
2540	);
2541
2542	IO::AIO::max_poll_time $TICK * 0.1;
2543
2544	undef $Coro::AIO::WATCHER;
2545	$AIO_POLL_WATCHER = Event->io (
2546	reentrant => 0,
2547	fd => IO::AIO::poll_fileno,
2548	poll => 'r',
2549	prio => 6,
2550	data => WF_AUTOCANCEL,
2551	cb => \&IO::AIO::poll_cb,
2552	);
2553
2554	$WRITE_RUNTIME_WATCHER = Event->timer (
2555	reentrant => 0,
2556	data => WF_AUTOCANCEL,
2557	after => 1,
2558	interval => 10,
2559	prio => 6, # keep it lowest so it acts like a watchdog
2560	cb => Coro::unblock_sub {
2561	write_runtime	3755	write_runtime_sync
2562	or warn "ERROR: unable to write runtime file: $!";	3756	or warn "ERROR: unable to write runtime file: $!";
		3757	};
2563	},	3758	}
2564	);	3759
		3760	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3761	$sig->send;
		3762	}
		3763	while (my $sig = shift @WAIT_FOR_TICK) {
		3764	$sig->send;
		3765	}
		3766
		3767	$LOAD = ($NOW - $TICK_START) / $TICK;
		3768	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3769
		3770	if (0) {
		3771	if ($NEXT_TICK) {
		3772	my $jitter = $TICK_START - $NEXT_TICK;
		3773	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3774	warn "jitter $JITTER\n";#d#
		3775	}
		3776	}
		3777	}
		3778
		3779	{
		3780	# configure BDB
		3781
		3782	BDB::min_parallel 8;
		3783	BDB::max_poll_reqs $TICK * 0.1;
		3784	$Coro::BDB::WATCHER->priority (1);
		3785
		3786	unless ($DB_ENV) {
		3787	$DB_ENV = BDB::db_env_create;
		3788	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3789	| BDB::LOG_AUTOREMOVE, 1);
		3790	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3791	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3792
		3793	cf::sync_job {
		3794	eval {
		3795	BDB::db_env_open
		3796	$DB_ENV,
		3797	$BDBDIR,
		3798	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3799	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3800	0666;
		3801
		3802	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3803	};
		3804
		3805	cf::cleanup "db_env_open(db): $@" if $@;
		3806	};
		3807	}
		3808
		3809	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3810	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3811	};
		3812	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3813	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3814	};
		3815	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3816	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3817	};
		3818	}
		3819
		3820	{
		3821	# configure IO::AIO
		3822
		3823	IO::AIO::min_parallel 8;
		3824	IO::AIO::max_poll_time $TICK * 0.1;
		3825	$Coro::AIO::WATCHER->priority (1);
		3826	}
		3827
		3828	my $_log_backtrace;
		3829
		3830	sub _log_backtrace {
		3831	my ($msg, @addr) = @_;
		3832
		3833	$msg =~ s/\n//;
		3834
		3835	# limit the # of concurrent backtraces
		3836	if ($_log_backtrace < 2) {
		3837	++$_log_backtrace;
		3838	async {
		3839	$Coro::current->{desc} = "abt $msg";
		3840
		3841	my @bt = fork_call {
		3842	@addr = map { sprintf "%x", $_ } @addr;
		3843	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3844	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3845	or die "addr2line: $!";
		3846
		3847	my @funcs;
		3848	my @res = <$fh>;
		3849	chomp for @res;
		3850	while (@res) {
		3851	my ($func, $line) = splice @res, 0, 2, ();
		3852	push @funcs, "[$func] $line";
		3853	}
		3854
		3855	@funcs
		3856	};
		3857
		3858	LOG llevInfo, "[ABT] $msg\n";
		3859	LOG llevInfo, "[ABT] $_\n" for @bt;
		3860	--$_log_backtrace;
		3861	};
		3862	} else {
		3863	LOG llevInfo, "[ABT] $msg\n";
		3864	LOG llevInfo, "[ABT] [suppressed]\n";
		3865	}
		3866	}
		3867
		3868	# load additional modules
		3869	use cf::pod;
2565		3870
2566	END { cf::emergency_save }	3871	END { cf::emergency_save }
2567		3872
2568	1	3873	1
2569		3874

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