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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.237 by root, Fri Apr 13 05:08:51 2007 UTC vs.
Revision 1.430 by root, Sun May 4 14:12:37 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;
9	use Event;	30	use EV 3.2;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
13		35
14	use Coro 3.52 ();	36	use Coro 4.50 ();
15	use Coro::State;	37	use Coro::State;
		38	use Coro::Handle;
16	use Coro::Event;	39	use Coro::EV;
17	use Coro::Timer;	40	use Coro::Timer;
18	use Coro::Signal;	41	use Coro::Signal;
19	use Coro::Semaphore;	42	use Coro::Semaphore;
20	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
21	use Coro::Storable;	45	use Coro::Storable;
		46	use Coro::Util ();
22		47
		48	use JSON::XS 2.01 ();
23	use BDB ();	49	use BDB ();
24	use Data::Dumper;	50	use Data::Dumper;
25	use Digest::MD5;	51	use Digest::MD5;
26	use Fcntl;	52	use Fcntl;
27	use YAML::Syck ();	53	use YAML ();
28	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
29	use Time::HiRes;	55	use Time::HiRes;
30	use Compress::LZF;	56	use Compress::LZF;
		57	use Digest::MD5 ();
31		58
32	# configure various modules to our taste	59	# configure various modules to our taste
33	#	60	#
34	$Storable::canonical = 1; # reduce rsync transfers	61	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
37		64
38	$Event::Eval = 1; # no idea why this is required, but it is
39
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		66
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
46		68
47	our %COMMAND = ();	69	our %COMMAND = ();
48	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
49		71
50	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
54		77
55	our $RELOAD; # number of reloads so far	78	our $RELOAD; # number of reloads so far
56	our @EVENT;	79	our @EVENT;
57	our $LIBDIR = datadir . "/ext";
58		80
59	our $TICK = MAX_TIME * 1e-6;	81	our $CONFDIR = confdir;
60	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(!)
61	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	97	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
66		99
67	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	104	our $DB_ENV;
69		105
70	our %CFG;	106	our %CFG;
71		107
72	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
74		111
75	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80
81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
83		115
84	# 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 ∕
85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
86		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 $TICK_START; # for load detecting purposes
		123
87	binmode STDOUT;	124	binmode STDOUT;
88	binmode STDERR;	125	binmode STDERR;
89		126
90	# read virtual server time, if available	127	# read virtual server time, if available
91	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
92	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
93	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
94	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
95	}	132	}
96		133
97	mkdir cf::localdir;	134	mkdir $_
98	mkdir cf::localdir . "/" . cf::playerdir;	135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir cf::localdir . "/" . cf::tmpdir;
100	mkdir cf::localdir . "/" . cf::uniquedir;
101	mkdir $RANDOM_MAPS;
102	mkdir $BDB_ENV_DIR;
103		136
104	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
105		138
106	sub cf::map::normalise;	139	sub cf::map::normalise;
107		140
…		…
118	=item $cf::RUNTIME	151	=item $cf::RUNTIME
119		152
120	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
121	every server tick.	154	every server tick.
122		155
123	=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
124		159
125	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
126	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.
127		164
128	=item $cf::NOW	165	=item $cf::NOW
129		166
130	The time of the last (current) server tick.	167	The time of the last (current) server tick.
131		168
132	=item $cf::TICK	169	=item $cf::TICK
133		170
134	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
135		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
136	=item %cf::CFG	183	=item %cf::CFG
137		184
138	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
139	from wherever your confdir points to.	186	from wherever your confdir points to.
140		187
141	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
142		189
143	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
144	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
145	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.
146	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.
147		199
148	=back	200	=back
149		201
150	=cut	202	=cut
151		203
152	BEGIN {	204	BEGIN {
153	*CORE::GLOBAL::warn = sub {	205	*CORE::GLOBAL::warn = sub {
154	my $msg = join "", @_;	206	my $msg = join "", @_;
155	utf8::encode $msg;
156		207
157	$msg .= "\n"	208	$msg .= "\n"
158	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
159		210
		211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		212
160	LOG llevError, $msg;	213	LOG llevError, $msg;
161	};	214	};
162	}	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#?
163		231
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@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';
169	@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)
170		239
171	# 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
172	# within the Safe compartment.	241	# within the Safe compartment.
173	for my $pkg (qw(	242	for my $pkg (qw(
174	cf::global cf::attachable	243	cf::global cf::attachable
…		…
179	)) {	248	)) {
180	no strict 'refs';	249	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	251	}
183		252
184	$Event::DIED = sub {	253	$EV::DIED = sub {
185	warn "error in event callback: @_";	254	warn "error in event callback: @_";
186	};	255	};
		256
		257	#############################################################################
187		258
188	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
189		260
190	=over 4	261	=over 4
191		262
…		…
210	$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;
211	$d	282	$d
212	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
213	}	284	}
214		285
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
218		287
219	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
220		289
221	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
222		291
223	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
		293
		294	=cut
		295
		296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		297
		298	sub encode_json($) { $json_coder->encode ($_[0]) }
		299	sub decode_json($) { $json_coder->decode ($_[0]) }
224		300
225	=item cf::lock_wait $string	301	=item cf::lock_wait $string
226		302
227	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
228		304
…		…
231	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
232	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,
233	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
234	returned.	310	returned.
235		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
236	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
237	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
238		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
239	=cut	322	=cut
240		323
241	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
242		326
243	sub lock_wait($) {	327	sub lock_wait($) {
244	my ($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#
245		334
246	# wait for lock, if any	335	# wait for lock, if any
247	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;	338	Coro::schedule;
…		…
255		344
256	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
257	lock_wait $key;	346	lock_wait $key;
258		347
259	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
260		350
261	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
262	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
264	}	355	}
265	}	356	}
266		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
267	sub freeze_mainloop {	364	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
269		366
270	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
271	$TICK_WATCHER->start;	368	}
		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($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
272	};	428	}
273	$TICK_WATCHER->stop;	429	};
274	$guard	430
		431	sub get_slot($;$$) {
		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	$sig->wait;
275	}	443	}
276		444
277	=item cf::async { BLOCK }	445	=item cf::async { BLOCK }
278		446
279	Currently the same as Coro::async_pool, meaning you cannot use	447	Currently the same as Coro::async_pool, meaning you cannot use
…		…
284		452
285	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
286		454
287	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
288		456
289	The design of crossfire+ requires that the main coro ($Coro::main) is	457	The design of Deliantra requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	458	is always able to handle events or runnable, as Deliantra is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	459	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		460	acceptable.
292		461
293	If it must be done, put the blocking parts into C<sync_job>. This will run	462	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	463	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	464	server will be frozen during this time, so the block should either finish
296	fast or be very important.	465	fast or be very important.
…		…
299		468
300	sub sync_job(&) {	469	sub sync_job(&) {
301	my ($job) = @_;	470	my ($job) = @_;
302		471
303	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
		473	my $time = EV::time;
		474
304	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
306		477
307	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
308	# (but this is cancel-safe)	479
309	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
310		481
311	my $busy = 1;	482	my $busy = 1;
312	my @res;	483	my @res;
313		484
314	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	487	@res = eval { $job->() };
316	warn $@ if $@;	488	warn $@ if $@;
317	undef $busy;	489	undef $busy;
318	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
319		491
320	while ($busy) {	492	while ($busy) {
321	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
322	}	497	}
		498	}
		499
		500	my $time = EV::time - $time;
		501
		502	$TICK_START += $time; # do not account sync jobs to server load
323		503
324	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
325	} else {	505	} else {
326	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
327		507
…		…
347	$EXT_CORO{$coro+0} = $coro;	527	$EXT_CORO{$coro+0} = $coro;
348		528
349	$coro	529	$coro
350	}	530	}
351		531
352	sub write_runtime {	532	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		533
355	my $runtime = cf::localdir . "/runtime";	534	Executes the given code block with the given arguments in a seperate
		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.
356		538
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	539	=cut
358	or return;
359		540
360	my $value = $cf::RUNTIME + 90 + 10;	541	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	542	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		543
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	544	# we seemingly have to make a local copy of the whole thing,
365	and return;	545	# otherwise perl prematurely frees the stuff :/
		546	# TODO: investigate and fix (likely this will be rather laborious)
366		547
367	# always fsync - this file is important	548	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	549	reset_signals;
369	and return;	550	&$cb
		551	}, @args;
370		552
371	close $fh	553	wantarray ? @res : $res[-1]
372	or return;	554	}
373		555
374	aio_rename "$runtime~", $runtime	556	=item $coin = coin_from_name $name
375	and return;
376		557
		558	=cut
		559
		560	our %coin_alias = (
		561	"silver" => "silvercoin",
		562	"silvercoin" => "silvercoin",
		563	"silvercoins" => "silvercoin",
		564	"gold" => "goldcoin",
		565	"goldcoin" => "goldcoin",
		566	"goldcoins" => "goldcoin",
		567	"platinum" => "platinacoin",
		568	"platinumcoin" => "platinacoin",
		569	"platinumcoins" => "platinacoin",
		570	"platina" => "platinacoin",
		571	"platinacoin" => "platinacoin",
		572	"platinacoins" => "platinacoin",
		573	"royalty" => "royalty",
		574	"royalties" => "royalty",
		575	);
		576
		577	sub coin_from_name($) {
		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($$) {
		625	my $key = "$_[0]/$_[1]";
		626
		627	cf::sync_job {
		628	BDB::db_get $DB, undef, $key, my $data;
		629
		630	$! ? ()
		631	: $data
377	1	632	}
		633	}
		634
		635	sub db_put($$$) {
		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"
378	}	708	}
379		709
380	=item cf::datalog type => key => value, ...	710	=item cf::datalog type => key => value, ...
381		711
382	Log a datalog packet of the given type with the given key-value pairs.	712	Log a datalog packet of the given type with the given key-value pairs.
…		…
400	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")
401	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
402		732
403	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>
404	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
405	crossfire+).	735	Deliantra).
406		736
407	=over 4	737	=over 4
408		738
409	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
410		740
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	903	$registry = $CB_TYPE[$object_type] ||= [];
574		904
575	} elsif ($type eq "subtype") {	905	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	906	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	907	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	908	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		909
580	} elsif ($type eq "package") {	910	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	911	my $pkg = shift @arg;
582		912
583	while (my ($name, $id) = each %cb_id) {	913	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	942	_attach $registry, $klass, @attach;
613	}	943	}
614		944
615	$obj->{$name} = \%arg;	945	$obj->{$name} = \%arg;
616	} else {	946	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	947	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	948	}
619		949
620	$obj->{_attachment}{$name} = undef;	950	$obj->{_attachment}{$name} = undef;
621	}	951	}
622		952
…		…
624	if (ref $_[0]) {	954	if (ref $_[0]) {
625	_object_attach @_;	955	_object_attach @_;
626	} else {	956	} else {
627	_attach shift->_attach_registry, @_;	957	_attach shift->_attach_registry, @_;
628	}	958	}
		959	_recalc_want;
629	};	960	};
630		961
631	# all those should be optimised	962	# all those should be optimised
632	sub cf::attachable::detach {	963	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	964	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	967	delete $obj->{_attachment}{$name};
637	reattach ($obj);	968	reattach ($obj);
638	} else {	969	} else {
639	Carp::croak "cannot, currently, detach class attachments";	970	Carp::croak "cannot, currently, detach class attachments";
640	}	971	}
		972	_recalc_want;
641	};	973	};
642		974
643	sub cf::attachable::attached {	975	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	976	my ($obj, $name) = @_;
645		977
…		…
660	";	992	";
661	die if $@;	993	die if $@;
662	}	994	}
663		995
664	our $override;	996	our $override;
665	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?
666		998
667	sub override {	999	sub override {
668	$override = 1;	1000	$override = 1;
669	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
670	}	1002	}
671		1003
672	sub do_invoke {	1004	sub do_invoke {
673	my $event = shift;	1005	my $event = shift;
674	my $callbacks = shift;	1006	my $callbacks = shift;
675		1007
676	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
677		1009
678	local $override;	1010	local $override;
679		1011
680	for (@$callbacks) {	1012	for (@$callbacks) {
681	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
690	}	1022	}
691		1023
692	0	1024	0
693	}	1025	}
694		1026
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		1028
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		1030
699	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
700		1032
701	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
702	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
703	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		1036
705	=back	1037	=back
706		1038
707	=cut	1039	=cut
708		1040
709	#############################################################################	1041	#############################################################################
710	# 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, $ob2
		1084	}
711		1085
712	sub reattach {	1086	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1088	my ($obj) = @_;
715		1089
…		…
736	cf::attachable->attach (	1110	cf::attachable->attach (
737	prio => -1000000,	1111	prio => -1000000,
738	on_instantiate => sub {	1112	on_instantiate => sub {
739	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
740		1114
741	$data = from_json $data;	1115	$data = decode_json $data;
742		1116
743	for (@$data) {	1117	for (@$data) {
744	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
745		1119
746	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1136	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
764		1138
765	sync_job {	1139	sync_job {
766	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
769		1144
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1146	aio_chmod $fh, SAVE_MODE;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1148	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1149	aio_close $fh;
775		1150
776	if (@$objs) {	1151	if (@$objs) {
777	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) {
778	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
782	close $fh;	1157	aio_close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
784	}	1159	}
785	} else {	1160	} else {
786	aio_unlink "$filename.pst";	1161	aio_unlink "$filename.pst";
787	}	1162	}
…		…
792	}	1167	}
793	} else {	1168	} else {
794	aio_unlink $filename;	1169	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
796	}	1171	}
797	}	1172	};
798	}	1173	}
799		1174
800	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
802		1177
…		…
814	or return;	1189	or return;
815		1190
816	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
818	or return;	1193	or return;
		1194
819	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
820	}	1197	}
821		1198
		1199	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1201	$decname, length $data, scalar @{$av || []};
		1202
824	return ($data, $av);	1203	($data, $av)
825	}	1204	}
		1205
		1206	=head2 COMMAND CALLBACKS
		1207
		1208	=over 4
		1209
		1210	=cut
826		1211
827	#############################################################################	1212	#############################################################################
828	# command handling &c	1213	# command handling &c
829		1214
830	=item cf::register_command $name => \&callback($ob,$args);	1215	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1228	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1229	}
845		1230
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1231	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1232
848	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.
849		1238
850	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
851	called.	1240	called.
852		1241
		1242	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1243
		1244	Register a callback for execution when the client sends an (asynchronous)
		1245	exticmd packet. Exti commands are processed by the server as soon as they
		1246	are received, i.e. out of order w.r.t. other commands. The first argument
		1247	is a client socket. Exti commands can be received anytime, even before
		1248	log-in.
		1249
		1250	If the callback returns something, it is sent back as if reply was being
		1251	called.
		1252
853	=cut	1253	=cut
854		1254
855	sub register_extcmd {	1255	sub register_extcmd {
856	my ($name, $cb) = @_;	1256	my ($name, $cb) = @_;
857		1257
858	$EXTCMD{$name} = $cb;	1258	$EXTCMD{$name} = $cb;
		1259	}
		1260
		1261	sub register_exticmd {
		1262	my ($name, $cb) = @_;
		1263
		1264	$EXTICMD{$name} = $cb;
859	}	1265	}
860		1266
861	cf::player->attach (	1267	cf::player->attach (
862	on_command => sub {	1268	on_command => sub {
863	my ($pl, $name, $params) = @_;	1269	my ($pl, $name, $params) = @_;
…		…
872	cf::override;	1278	cf::override;
873	},	1279	},
874	on_extcmd => sub {	1280	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
876		1282
877	my $msg = eval { from_json $buf };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1284
879	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
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
885	} else {	1300	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1302	}
888		1303
889	cf::override;	1304	cf::override;
890	},	1305	},
891	);	1306	);
892		1307
893	sub load_extension {
894	my ($path) = @_;
895
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
897	my $base = $1;
898	my $pkg = $1;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}
921	die $@;
922	}
923
924	push @EXTS, $pkg;
925	}
926
927	sub load_extensions {	1308	sub load_extensions {
		1309	cf::sync_job {
		1310	my %todo;
		1311
928	for my $ext (<$LIBDIR/*.ext>) {	1312	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1313	next unless -r $path;
930	eval {	1314
931	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	$progress = 1;
932	1	1371	}
933	} or warn "$ext not loaded: $@";	1372
		1373	skip:
		1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1375	unless $progress;
		1376	}
934	}	1377	};
935	}	1378	}
936		1379
937	#############################################################################	1380	#############################################################################
938		1381
		1382	=back
		1383
939	=head2 CORE EXTENSIONS	1384	=head2 CORE EXTENSIONS
940		1385
941	Functions and methods that extend core crossfire objects.	1386	Functions and methods that extend core crossfire objects.
942		1387
943	=cut	1388	=cut
…		…
948		1393
949	=head3 cf::player	1394	=head3 cf::player
950		1395
951	=over 4	1396	=over 4
952		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
953	=item cf::player::find $login	1412	=item cf::player::find $login
954		1413
955	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
956		1415
957	=cut	1416	=cut
958		1417
959	sub playerdir($) {	1418	sub playerdir($) {
960	cf::localdir	1419	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1420	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1421	}
966		1422
967	sub path($) {	1423	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1424	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1451	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1452	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1453	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1454	aio_unlink +(playerdir $login) . "/$login.pl";
999		1455
1000	my $pl = load_pl path $login	1456	my $f = new_from_file cf::object::thawer path $login
1001	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;
1002	$cf::PLAYER{$login} = $pl	1464	$cf::PLAYER{$login} = $pl
1003	}	1465	}
1004	}	1466	}
1005	}	1467	}
1006		1468
…		…
1015	return if $pl->{deny_save};	1477	return if $pl->{deny_save};
1016		1478
1017	aio_mkdir playerdir $pl, 0770;	1479	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1480	$pl->{last_save} = $cf::RUNTIME;
1019		1481
		1482	cf::get_slot 0.01;
		1483
1020	$pl->save_pl ($path);	1484	$pl->save_pl ($path);
1021	Coro::cede;	1485	cf::cede_to_tick;
1022	}	1486	}
1023		1487
1024	sub new($) {	1488	sub new($) {
1025	my ($login) = @_;	1489	my ($login) = @_;
1026		1490
…		…
1030	$self->{deny_save} = 1;	1494	$self->{deny_save} = 1;
1031		1495
1032	$cf::PLAYER{$login} = $self;	1496	$cf::PLAYER{$login} = $self;
1033		1497
1034	$self	1498	$self
		1499	}
		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 (@_);
1035	}	1509	}
1036		1510
1037	=item $pl->quit_character	1511	=item $pl->quit_character
1038		1512
1039	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
…		…
1088	while and may block, so not sync_job-capable, ever.	1562	while and may block, so not sync_job-capable, ever.
1089		1563
1090	=cut	1564	=cut
1091		1565
1092	sub list_logins {	1566	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1567	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1568	or return [];
1095		1569
1096	my @logins;	1570	my @logins;
1097		1571
1098	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") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1578	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1579	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1580	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1581	}
1102		1582
1103	utf8::decode $login;	1583	utf8::decode $login;
1104	push @logins, $login;	1584	push @logins, $login;
1105	}	1585	}
1106		1586
…		…
1133	}	1613	}
1134		1614
1135	\@paths	1615	\@paths
1136	}	1616	}
1137		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
1138	=item $player->ext_reply ($msgid, %msg)	1711	=item $player->ext_reply ($msgid, @msg)
1139		1712
1140	Sends an ext reply to the player.	1713	Sends an ext reply to the player.
1141		1714
1142	=cut	1715	=cut
1143		1716
1144	sub ext_reply($$%) {	1717	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1718	my ($self, $id, @msg) = @_;
1146		1719
1147	$msg{msgid} = $id;	1720	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1721	}
1151		1722
1152	=item $player->ext_event ($type, %msg)	1723	=item $player->ext_msg ($type, @msg)
1153		1724
1154	Sends an ext event to the client.	1725	Sends an ext event to the client.
1155		1726
1156	=cut	1727	=cut
1157		1728
1158	sub ext_event($$%) {	1729	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1730	my ($self, $type, @msg) = @_;
1160		1731
1161	$self->ns->ext_event ($type, %msg);	1732	$self->ns->ext_msg ($type, @msg);
1162	}	1733	}
1163		1734
1164	package cf;	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	}
1165		1763
1166	=back	1764	=back
1167
1168		1765
1169	=head3 cf::map	1766	=head3 cf::map
1170		1767
1171	=over 4	1768	=over 4
1172		1769
…		…
1184	our $MAX_RESET = 3600;	1781	our $MAX_RESET = 3600;
1185	our $DEFAULT_RESET = 3000;	1782	our $DEFAULT_RESET = 3000;
1186		1783
1187	sub generate_random_map {	1784	sub generate_random_map {
1188	my ($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
1189	# mit "rum" bekleckern, nicht	1789	# mit "rum" bekleckern, nicht
1190	$self->_create_random_map (	1790	$self->_create_random_map (
1191	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1791	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1192	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1792	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1193	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1793	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1227	my ($self, $merge) = @_;	1827	my ($self, $merge) = @_;
1228		1828
1229	# we have to keep some variables in memory intact	1829	# we have to keep some variables in memory intact
1230	local $self->{path};	1830	local $self->{path};
1231	local $self->{load_path};	1831	local $self->{load_path};
1232	local $self->{deny_save};
1233	local $self->{deny_reset};
1234		1832
1235	$self->SUPER::thawer_merge ($merge);	1833	$self->SUPER::thawer_merge ($merge);
1236	}	1834	}
1237		1835
1238	sub normalise {	1836	sub normalise {
…		…
1285	$self->init; # pass $1 etc.	1883	$self->init; # pass $1 etc.
1286	return $self;	1884	return $self;
1287	}	1885	}
1288	}	1886	}
1289		1887
1290	Carp::carp "unable to resolve path '$path' (base '$base').";	1888	Carp::cluck "unable to resolve path '$path' (base '$base').";
1291	()	1889	()
1292	}	1890	}
1293		1891
1294	sub init {	1892	sub init {
1295	my ($self) = @_;	1893	my ($self) = @_;
…		…
1310		1908
1311	# the original (read-only) location	1909	# the original (read-only) location
1312	sub load_path {	1910	sub load_path {
1313	my ($self) = @_;	1911	my ($self) = @_;
1314		1912
1315	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1913	"$MAPDIR/$self->{path}.map"
1316	}	1914	}
1317		1915
1318	# the temporary/swap location	1916	# the temporary/swap location
1319	sub save_path {	1917	sub save_path {
1320	my ($self) = @_;	1918	my ($self) = @_;
1321		1919
1322	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1920	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1323	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1921	"$TMPDIR/$path.map"
1324	}	1922	}
1325		1923
1326	# the unique path, undef == no special unique path	1924	# the unique path, undef == no special unique path
1327	sub uniq_path {	1925	sub uniq_path {
1328	my ($self) = @_;	1926	my ($self) = @_;
1329		1927
1330	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1331	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1929	"$UNIQUEDIR/$path"
1332	}	1930	}
1333		1931
1334	# and all this just because we cannot iterate over	1932	# and all this just because we cannot iterate over
1335	# all maps in C++...	1933	# all maps in C++...
1336	sub change_all_map_light {	1934	sub change_all_map_light {
…		…
1338		1936
1339	$_->change_map_light ($change)	1937	$_->change_map_light ($change)
1340	for grep $_->outdoor, values %cf::MAP;	1938	for grep $_->outdoor, values %cf::MAP;
1341	}	1939	}
1342		1940
		1941	sub decay_objects {
		1942	my ($self) = @_;
		1943
		1944	return if $self->{deny_reset};
		1945
		1946	$self->do_decay_objects;
		1947	}
		1948
1343	sub unlink_save {	1949	sub unlink_save {
1344	my ($self) = @_;	1950	my ($self) = @_;
1345		1951
1346	utf8::encode (my $save = $self->save_path);	1952	utf8::encode (my $save = $self->save_path);
1347	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1953	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1350		1956
1351	sub load_header_from($) {	1957	sub load_header_from($) {
1352	my ($self, $path) = @_;	1958	my ($self, $path) = @_;
1353		1959
1354	utf8::encode $path;	1960	utf8::encode $path;
1355	#aio_open $path, O_RDONLY, 0	1961	my $f = new_from_file cf::object::thawer $path
1356	# or return;
1357
1358	$self->_load_header ($path)
1359	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;
1360		1969
1361	$self->{load_path} = $path;	1970	$self->{load_path} = $path;
1362		1971
1363	1	1972	1
1364	}	1973	}
…		…
1403	$self->load_header_orig	2012	$self->load_header_orig
1404	or return;	2013	or return;
1405	$self->prepare_orig;	2014	$self->prepare_orig;
1406	}	2015	}
1407		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 $self->default_region;
		2022
1408	1	2023	1
1409	}	2024	}
1410		2025
1411	sub find;	2026	sub find;
1412	sub find {	2027	sub find {
1413	my ($path, $origin) = @_;	2028	my ($path, $origin) = @_;
1414		2029
1415	$path = normalise $path, $origin && $origin->path;	2030	$path = normalise $path, $origin && $origin->path;
1416		2031
		2032	cf::lock_wait "map_data:$path";#d#remove
1417	cf::lock_wait "map_find:$path";	2033	cf::lock_wait "map_find:$path";
1418		2034
1419	$cf::MAP{$path} || do {	2035	$cf::MAP{$path} || do {
		2036	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1420	my $guard = cf::lock_acquire "map_find:$path";	2037	my $guard2 = cf::lock_acquire "map_find:$path";
		2038
1421	my $map = new_from_path cf::map $path	2039	my $map = new_from_path cf::map $path
1422	or return;	2040	or return;
1423		2041
1424	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1425		2043
1426	$map->load_header	2044	$map->load_header
1427	or return;	2045	or return;
1428		2046
1429	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1430	# doing this can freeze the server in a sync job, obviously	2048	# doing this can freeze the server in a sync job, obviously
1431	#$cf::WAIT_FOR_TICK->wait;	2049	#$cf::WAIT_FOR_TICK->wait;
		2050	undef $guard2;
		2051	undef $guard1;
1432	$map->reset;	2052	$map->reset;
1433	undef $guard;
1434	return find $path;	2053	return find $path;
1435	}	2054	}
1436		2055
1437	$cf::MAP{$path} = $map	2056	$cf::MAP{$path} = $map
1438	}	2057	}
…		…
1445	my ($self) = @_;	2064	my ($self) = @_;
1446		2065
1447	local $self->{deny_reset} = 1; # loading can take a long time	2066	local $self->{deny_reset} = 1; # loading can take a long time
1448		2067
1449	my $path = $self->{path};	2068	my $path = $self->{path};
		2069
		2070	{
1450	my $guard = cf::lock_acquire "map_load:$path";	2071	my $guard = cf::lock_acquire "map_data:$path";
1451		2072
		2073	return unless $self->valid;
1452	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1453		2075
1454	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1455		2077
1456	$self->alloc;	2078	$self->alloc;
1457		2079
1458	$self->pre_load;	2080	$self->pre_load;
		2081	cf::cede_to_tick;
1459		2082
1460	$self->_load_objects ($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)
1461	or return;	2086	or return;
1462		2087
1463	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1464	if delete $self->{load_original};	2089	if delete $self->{load_original};
1465		2090
1466	if (my $uniq = $self->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1467	utf8::encode $uniq;	2092	utf8::encode $uniq;
1468	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1469	$self->clear_unique_items;	2095	$self->clear_unique_items;
1470	$self->_load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1471	}	2099	}
1472	}	2100	}
1473		2101
1474	Coro::cede;	2102	$f->resolve_delayed_derefs;
1475		2103
		2104	cf::cede_to_tick;
1476	# now do the right thing for maps	2105	# now do the right thing for maps
1477	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1478
1479	unless ($self->{deny_activate}) {
1480	$self->decay_objects;
1481	$self->fix_auto_apply;
1482	$self->update_buttons;
1483	Coro::cede;
1484	$self->set_darkness_map;
1485	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
1486	unless $self->difficulty;	2108	unless $self->difficulty;
1487	Coro::cede;	2109	cf::cede_to_tick;
		2110
		2111	unless ($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;
1488	$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);
1489	}	2125	}
1490		2126
1491	$self->post_load;	2127	$self->post_load;
1492
1493	$self->in_memory (cf::MAP_IN_MEMORY);
1494	}	2128	}
1495		2129
1496	sub customise_for {	2130	sub customise_for {
1497	my ($self, $ob) = @_;	2131	my ($self, $ob) = @_;
1498		2132
1499	return find "~" . $ob->name . "/" . $self->{path}	2133	return find "~" . $ob->name . "/" . $self->{path}
1500	if $self->per_player;	2134	if $self->per_player;
1501		2135
		2136	# return find "?party/" . $ob->name . "/" . $self->{path}
		2137	# if $self->per_party;
		2138
1502	$self	2139	$self
1503	}	2140	}
1504		2141
1505	# find and load all maps in the 3x3 area around a map	2142	# find and load all maps in the 3x3 area around a map
1506	sub load_diag {	2143	sub load_neighbours {
1507	my ($map) = @_;	2144	my ($map) = @_;
1508		2145
1509	my @diag; # diagonal neighbours	2146	my @neigh; # diagonal neighbours
1510		2147
1511	for (0 .. 3) {	2148	for (0 .. 3) {
1512	my $neigh = $map->tile_path ($_)	2149	my $neigh = $map->tile_path ($_)
1513	or next;	2150	or next;
1514	$neigh = find $neigh, $map	2151	$neigh = find $neigh, $map
1515	or next;	2152	or next;
1516	$neigh->load;	2153	$neigh->load;
1517		2154
		2155	push @neigh,
1518	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2156	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1519	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2157	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1520	}	2158	}
1521		2159
1522	for (@diag) {	2160	for (grep defined $_->[0], @neigh) {
		2161	my ($path, $origin) = @$_;
1523	my $neigh = find @$_	2162	my $neigh = find $path, $origin
1524	or next;	2163	or next;
1525	$neigh->load;	2164	$neigh->load;
1526	}	2165	}
1527	}	2166	}
1528		2167
…		…
1533	}	2172	}
1534		2173
1535	sub do_load_sync {	2174	sub do_load_sync {
1536	my ($map) = @_;	2175	my ($map) = @_;
1537		2176
		2177	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2178	if $Coro::current == $Coro::main;
		2179
1538	cf::sync_job { $map->load };	2180	cf::sync_job { $map->load };
1539	}	2181	}
1540		2182
1541	our %MAP_PREFETCH;	2183	our %MAP_PREFETCH;
1542	our $MAP_PREFETCHER = undef;	2184	our $MAP_PREFETCHER = undef;
1543		2185
1544	sub find_async {	2186	sub find_async {
1545	my ($path, $origin) = @_;	2187	my ($path, $origin, $load) = @_;
1546		2188
1547	$path = normalise $path, $origin && $origin->{path};	2189	$path = normalise $path, $origin && $origin->{path};
1548		2190
1549	if (my $map = $cf::MAP{$path}) {	2191	if (my $map = $cf::MAP{$path}) {
1550	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2192	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1551	}	2193	}
1552		2194
1553	undef $MAP_PREFETCH{$path};	2195	$MAP_PREFETCH{$path} |= $load;
		2196
1554	$MAP_PREFETCHER ||= cf::async {	2197	$MAP_PREFETCHER ||= cf::async {
		2198	$Coro::current->{desc} = "map prefetcher";
		2199
1555	while (%MAP_PREFETCH) {	2200	while (%MAP_PREFETCH) {
1556	for my $path (keys %MAP_PREFETCH) {	2201	while (my ($k, $v) = each %MAP_PREFETCH) {
1557	my $map = find $path	2202	if (my $map = find $k) {
1558	or next;
1559	$map->load;	2203	$map->load if $v;
		2204	}
1560		2205
1561	delete $MAP_PREFETCH{$path};	2206	delete $MAP_PREFETCH{$k};
1562	}	2207	}
1563	}	2208	}
1564	undef $MAP_PREFETCHER;	2209	undef $MAP_PREFETCHER;
1565	};	2210	};
1566	$MAP_PREFETCHER->prio (6);	2211	$MAP_PREFETCHER->prio (6);
…		…
1569	}	2214	}
1570		2215
1571	sub save {	2216	sub save {
1572	my ($self) = @_;	2217	my ($self) = @_;
1573		2218
1574	my $lock = cf::lock_acquire "map_data:" . $self->path;	2219	my $lock = cf::lock_acquire "map_data:$self->{path}";
1575		2220
1576	$self->{last_save} = $cf::RUNTIME;	2221	$self->{last_save} = $cf::RUNTIME;
1577		2222
1578	return unless $self->dirty;	2223	return unless $self->dirty;
1579		2224
…		…
1585	return if $self->{deny_save};	2230	return if $self->{deny_save};
1586		2231
1587	local $self->{last_access} = $self->last_access;#d#	2232	local $self->{last_access} = $self->last_access;#d#
1588		2233
1589	cf::async {	2234	cf::async {
		2235	$Coro::current->{desc} = "map player save";
1590	$_->contr->save for $self->players;	2236	$_->contr->save for $self->players;
1591	};	2237	};
		2238
		2239	cf::get_slot 0.02;
1592		2240
1593	if ($uniq) {	2241	if ($uniq) {
1594	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2242	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1595	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2243	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1596	} else {	2244	} else {
…		…
1602	my ($self) = @_;	2250	my ($self) = @_;
1603		2251
1604	# save first because save cedes	2252	# save first because save cedes
1605	$self->save;	2253	$self->save;
1606		2254
1607	my $lock = cf::lock_acquire "map_data:" . $self->path;	2255	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2256
1609	return if $self->players;	2257	return if $self->players;
1610	return if $self->in_memory != cf::MAP_IN_MEMORY;	2258	return if $self->in_memory != cf::MAP_ACTIVE;
1611	return if $self->{deny_save};	2259	return if $self->{deny_save};
1612		2260
		2261	$self->in_memory (cf::MAP_SWAPPED);
		2262
		2263	$self->deactivate;
		2264	$_->clear_links_to ($self) for values %cf::MAP;
1613	$self->clear;	2265	$self->clear;
1614	$self->in_memory (cf::MAP_SWAPPED);
1615	}	2266	}
1616		2267
1617	sub reset_at {	2268	sub reset_at {
1618	my ($self) = @_;	2269	my ($self) = @_;
1619		2270
1620	# TODO: safety, remove and allow resettable per-player maps	2271	# TODO: safety, remove and allow resettable per-player maps
1621	return 1e99 if $self->isa ("ext::map_per_player");#d#
1622	return 1e99 if $self->{deny_reset};	2272	return 1e99 if $self->{deny_reset};
1623		2273
1624	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2274	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1625	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2275	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1626		2276
…		…
1637	my ($self) = @_;	2287	my ($self) = @_;
1638		2288
1639	my $lock = cf::lock_acquire "map_data:$self->{path}";	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2290
1641	return if $self->players;	2291	return if $self->players;
1642	return if $self->isa ("ext::map_per_player");#d#
1643		2292
1644	warn "resetting map ", $self->path;#d#	2293	warn "resetting map ", $self->path;
1645		2294
1646	$self->in_memory (cf::MAP_SWAPPED);	2295	$self->in_memory (cf::MAP_SWAPPED);
1647		2296
1648	# need to save uniques path	2297	# need to save uniques path
1649	unless ($self->{deny_save}) {	2298	unless ($self->{deny_save}) {
…		…
1653	if $uniq;	2302	if $uniq;
1654	}	2303	}
1655		2304
1656	delete $cf::MAP{$self->path};	2305	delete $cf::MAP{$self->path};
1657		2306
		2307	$self->deactivate;
		2308	$_->clear_links_to ($self) for values %cf::MAP;
1658	$self->clear;	2309	$self->clear;
1659
1660	$_->clear_links_to ($self) for values %cf::MAP;
1661		2310
1662	$self->unlink_save;	2311	$self->unlink_save;
1663	$self->destroy;	2312	$self->destroy;
1664	}	2313	}
1665		2314
1666	my $nuke_counter = "aaaa";	2315	my $nuke_counter = "aaaa";
1667		2316
1668	sub nuke {	2317	sub nuke {
1669	my ($self) = @_;	2318	my ($self) = @_;
1670		2319
		2320	{
		2321	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2322
1671	delete $cf::MAP{$self->path};	2323	delete $cf::MAP{$self->path};
1672		2324
1673	$self->unlink_save;	2325	$self->unlink_save;
1674		2326
1675	bless $self, "cf::map";	2327	bless $self, "cf::map";
1676	delete $self->{deny_reset};	2328	delete $self->{deny_reset};
1677	$self->{deny_save} = 1;	2329	$self->{deny_save} = 1;
1678	$self->reset_timeout (1);	2330	$self->reset_timeout (1);
1679	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2331	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1680		2332
1681	$cf::MAP{$self->path} = $self;	2333	$cf::MAP{$self->path} = $self;
		2334	}
1682		2335
1683	$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	]
1684	}	2373	}
1685		2374
1686	=item cf::map::unique_maps	2375	=item cf::map::unique_maps
1687		2376
1688	Returns an arrayref of paths of all shared maps that have	2377	Returns an arrayref of paths of all shared maps that have
1689	instantiated unique items. May block.	2378	instantiated unique items. May block.
1690		2379
1691	=cut	2380	=cut
1692		2381
1693	sub unique_maps() {	2382	sub unique_maps() {
1694	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2383	[
1695	or return;	2384	map {
1696
1697	my @paths;
1698
1699	for (@$files) {
1700	utf8::decode $_;	2385	utf8::decode $_;
1701	next if /\.pst$/;	2386	s/\.map$//; # TODO future compatibility hack
1702	next unless /^$PATH_SEP/o;	2387	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1703		2388	? ()
1704	push @paths, cf::map::normalise $_;	2389	: normalise $_
		2390	} @{ aio_readdir $UNIQUEDIR or [] }
1705	}	2391	]
1706
1707	\@paths
1708	}	2392	}
1709
1710	package cf;
1711		2393
1712	=back	2394	=back
1713		2395
1714	=head3 cf::object	2396	=head3 cf::object
1715		2397
…		…
1719		2401
1720	=over 4	2402	=over 4
1721		2403
1722	=item $ob->inv_recursive	2404	=item $ob->inv_recursive
1723		2405
1724	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.
1725		2408
1726	=cut	2409	=cut
1727		2410
1728	sub inv_recursive_;	2411	sub inv_recursive_;
1729	sub inv_recursive_ {	2412	sub inv_recursive_ {
…		…
1732		2415
1733	sub inv_recursive {	2416	sub inv_recursive {
1734	inv_recursive_ inv $_[0]	2417	inv_recursive_ inv $_[0]
1735	}	2418	}
1736		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
1737	package cf;	2448	package cf;
1738		2449
1739	=back	2450	=back
1740		2451
1741	=head3 cf::object::player	2452	=head3 cf::object::player
…		…
1747	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>
1748	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
1749	dialogue with the given NPC character.	2460	dialogue with the given NPC character.
1750		2461
1751	=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	};
1752		2477
1753	# rough implementation of a future "reply" method that works	2478	# rough implementation of a future "reply" method that works
1754	# with dialog boxes.	2479	# with dialog boxes.
1755	#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
1756	sub cf::object::player::reply($$$;$) {	2481	sub cf::object::player::reply($$$;$) {
…		…
1758		2483
1759	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2484	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1760		2485
1761	if ($self->{record_replies}) {	2486	if ($self->{record_replies}) {
1762	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2487	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2488
1763	} 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 {
1764	$msg = $npc->name . " says: $msg" if $npc;	2497	$msg = $npc->name . " says: $msg" if $npc;
1765	$self->message ($msg, $flags);	2498	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2499	}
1766	}	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 (@_);
1767	}	2511	}
1768		2512
1769	=item $player_object->may ("access")	2513	=item $player_object->may ("access")
1770		2514
1771	Returns wether the given player is authorized to access resource "access"	2515	Returns wether the given player is authorized to access resource "access"
…		…
1818	$self->deactivate_recursive;	2562	$self->deactivate_recursive;
1819		2563
1820	return if UNIVERSAL::isa $self->map, "ext::map_link";	2564	return if UNIVERSAL::isa $self->map, "ext::map_link";
1821		2565
1822	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2566	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1823	if $self->map;	2567	if $self->map && $self->map->{path} ne "{link}";
1824		2568
1825	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2569	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1826	}	2570	}
1827		2571
1828	sub cf::object::player::leave_link {	2572	sub cf::object::player::leave_link {
1829	my ($self, $map, $x, $y) = @_;	2573	my ($self, $map, $x, $y) = @_;
		2574
		2575	return unless $self->contr->active;
1830		2576
1831	my $link_pos = delete $self->{_link_pos};	2577	my $link_pos = delete $self->{_link_pos};
1832		2578
1833	unless ($map) {	2579	unless ($map) {
1834	# restore original map position	2580	# restore original map position
…		…
1848	# use -1 or undef as default coordinates, not 0, 0	2594	# use -1 or undef as default coordinates, not 0, 0
1849	($x, $y) = ($map->enter_x, $map->enter_y)	2595	($x, $y) = ($map->enter_x, $map->enter_y)
1850	if $x <=0 && $y <= 0;	2596	if $x <=0 && $y <= 0;
1851		2597
1852	$map->load;	2598	$map->load;
1853	$map->load_diag;	2599	$map->load_neighbours;
1854		2600
1855	return unless $self->contr->active;	2601	return unless $self->contr->active;
1856	$self->activate_recursive;	2602	$self->activate_recursive;
1857		2603
1858	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2604	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1859	$self->enter_map ($map, $x, $y);	2605	$self->enter_map ($map, $x, $y);
1860	}	2606	}
1861		2607
1862	cf::player->attach (	2608	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1863	on_logout => sub {
1864	my ($pl) = @_;
1865		2609
1866	# abort map switching before logout	2610	Moves the player to the given map-path and coordinates by first freezing
1867	if ($pl->ob->{_link_pos}) {	2611	her, loading and preparing them map, calling the provided $check callback
1868	cf::sync_job {	2612	that has to return the map if sucecssful, and then unfreezes the player on
1869	$pl->ob->leave_link	2613	the new (success) or old (failed) map position. In either case, $done will
1870	};	2614	be called at the end of this process.
1871	}
1872	},
1873	on_login => sub {
1874	my ($pl) = @_;
1875		2615
1876	# try to abort aborted map switching on player login :)
1877	# should happen only on crashes
1878	if ($pl->ob->{_link_pos}) {
1879	$pl->ob->enter_link;
1880	(async {
1881	$pl->ob->reply (undef,
1882	"There was an internal problem at your last logout, "
1883	. "the server will try to bring you to your intended destination in a second.",
1884	cf::NDI_RED);
1885	# we need this sleep as the login has a concurrent enter_exit running
1886	# and this sleep increases chances of the player not ending up in scorn
1887	Coro::Timer::sleep 1;
1888	$pl->ob->leave_link;
1889	})->prio (2);
1890	}
1891	},
1892	);
1893
1894	=item $player_object->goto ($path, $x, $y)
1895
1896	=cut	2616	=cut
		2617
		2618	our $GOTOGEN;
1897		2619
1898	sub cf::object::player::goto {	2620	sub cf::object::player::goto {
1899	my ($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;
1900		2625
1901	$self->enter_link;	2626	$self->enter_link;
1902		2627
1903	(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
1904	my $map = eval {	2650	my $map = eval {
1905	my $map = cf::map::find $path;	2651	my $map = defined $path ? cf::map::find $path : undef;
		2652
		2653	if ($map) {
1906	$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
1907	$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 $@;
1908	} or	2666	}
1909	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1910		2667
		2668	if ($gen == $self->{_goto_generation}) {
		2669	delete $self->{_goto_generation};
1911	$self->leave_link ($map, $x, $y);	2670	$self->leave_link ($map, $x, $y);
		2671	}
		2672
		2673	$done->() if $done;
1912	})->prio (1);	2674	})->prio (1);
1913	}	2675	}
1914		2676
1915	=item $player_object->enter_exit ($exit_object)	2677	=item $player_object->enter_exit ($exit_object)
1916		2678
…		…
1936	}	2698	}
1937		2699
1938	sub prepare_random_map {	2700	sub prepare_random_map {
1939	my ($exit) = @_;	2701	my ($exit) = @_;
1940		2702
1941	my $guard = cf::lock_acquire "exit_prepare:$exit";
1942
1943	# all this does is basically replace the /! path by	2703	# all this does is basically replace the /! path by
1944	# a new random map path (?random/...) with a seed	2704	# a new random map path (?random/...) with a seed
1945	# that depends on the exit object	2705	# that depends on the exit object
1946		2706
1947	my $rmp = parse_random_map_params $exit->msg;	2707	my $rmp = parse_random_map_params $exit->msg;
…		…
1949	if ($exit->map) {	2709	if ($exit->map) {
1950	$rmp->{region} = $exit->region->name;	2710	$rmp->{region} = $exit->region->name;
1951	$rmp->{origin_map} = $exit->map->path;	2711	$rmp->{origin_map} = $exit->map->path;
1952	$rmp->{origin_x} = $exit->x;	2712	$rmp->{origin_x} = $exit->x;
1953	$rmp->{origin_y} = $exit->y;	2713	$rmp->{origin_y} = $exit->y;
		2714
		2715	$exit->map->touch;
1954	}	2716	}
1955		2717
1956	$rmp->{random_seed} ||= $exit->random_seed;	2718	$rmp->{random_seed} ||= $exit->random_seed;
1957		2719
1958	my $data = cf::to_json $rmp;	2720	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1959	my $md5 = Digest::MD5::md5_hex $data;	2721	my $md5 = Digest::MD5::md5_hex $data;
1960	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2722	my $meta = "$RANDOMDIR/$md5.meta";
1961		2723
1962	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2724	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1963	aio_write $fh, 0, (length $data), $data, 0;	2725	aio_write $fh, 0, (length $data), $data, 0;
1964	undef $fh;	2726	undef $fh;
1965	aio_rename "$meta~", $meta;	2727	aio_rename "$meta~", $meta;
1966		2728
		2729	my $slaying = "?random/$md5";
		2730
		2731	if ($exit->valid) {
1967	$exit->slaying ("?random/$md5");	2732	$exit->slaying ("?random/$md5");
1968	$exit->msg (undef);	2733	$exit->msg (undef);
		2734	}
1969	}	2735	}
1970	}	2736	}
1971		2737
1972	sub cf::object::player::enter_exit {	2738	sub cf::object::player::enter_exit {
1973	my ($self, $exit) = @_;	2739	my ($self, $exit) = @_;
1974		2740
1975	return unless $self->type == cf::PLAYER;	2741	return unless $self->type == cf::PLAYER;
1976		2742
1977	if ($exit->slaying eq "/!") {
1978	#TODO: this should de-fi-ni-te-ly not be a sync-job
1979	# the problem is that $exit might not survive long enough
1980	# so it needs to be done right now, right here
1981	cf::sync_job { prepare_random_map $exit };
1982	}
1983
1984	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1985	my $hp = $exit->stats->hp;
1986	my $sp = $exit->stats->sp;
1987
1988	$self->enter_link;	2743	$self->enter_link;
1989		2744
1990	(async {	2745	(async {
1991	$self->deactivate_recursive; # just to be sure	2746	$Coro::current->{desc} = "enter_exit";
		2747
1992	unless (eval {	2748	unless (eval {
		2749	$self->deactivate_recursive; # just to be sure
		2750
		2751	# random map handling
		2752	{
		2753	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2754
		2755	prepare_random_map $exit
		2756	if $exit->slaying eq "/!";
		2757	}
		2758
		2759	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2760	my $x = $exit->stats->hp;
		2761	my $y = $exit->stats->sp;
		2762
1993	$self->goto ($slaying, $hp, $sp);	2763	$self->goto ($map, $x, $y);
1994		2764
		2765	# if exit is damned, update players death & WoR home-position
		2766	$self->contr->savebed ($map, $x, $y)
		2767	if $exit->flag (cf::FLAG_DAMNED);
		2768
1995	1;	2769	1
1996	}) {	2770	}) {
1997	$self->message ("Something went wrong deep within the crossfire server. "	2771	$self->message ("Something went wrong deep within the crossfire server. "
1998	. "I'll try to bring you back to the map you were before. "	2772	. "I'll try to bring you back to the map you were before. "
1999	. "Please report this to the dungeon master!",	2773	. "Please report this to the dungeon master!",
2000	cf::NDI_UNIQUE | cf::NDI_RED);	2774	cf::NDI_UNIQUE | cf::NDI_RED);
…		…
2021		2795
2022	utf8::encode $text;	2796	utf8::encode $text;
2023	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2797	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2024	}	2798	}
2025		2799
		2800	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2801
		2802	Send a drawinfo or msg packet to the client, formatting the msg for the
		2803	client if neccessary. C<$type> should be a string identifying the type of
		2804	the message, with C<log> being the default. If C<$color> is negative, suppress
		2805	the message unless the client supports the msg packet.
		2806
		2807	=cut
		2808
		2809	# non-persistent channels (usually the info channel)
		2810	our %CHANNEL = (
		2811	"c/identify" => {
		2812	id => "infobox",
		2813	title => "Identify",
		2814	reply => undef,
		2815	tooltip => "Items recently identified",
		2816	},
		2817	"c/examine" => {
		2818	id => "infobox",
		2819	title => "Examine",
		2820	reply => undef,
		2821	tooltip => "Signs and other items you examined",
		2822	},
		2823	"c/book" => {
		2824	id => "infobox",
		2825	title => "Book",
		2826	reply => undef,
		2827	tooltip => "The contents of a note or book",
		2828	},
		2829	"c/lookat" => {
		2830	id => "infobox",
		2831	title => "Look",
		2832	reply => undef,
		2833	tooltip => "What you saw there",
		2834	},
		2835	"c/who" => {
		2836	id => "infobox",
		2837	title => "Players",
		2838	reply => undef,
		2839	tooltip => "Shows players who are currently online",
		2840	},
		2841	"c/body" => {
		2842	id => "infobox",
		2843	title => "Body Parts",
		2844	reply => undef,
		2845	tooltip => "Shows which body parts you posess and are available",
		2846	},
		2847	"c/uptime" => {
		2848	id => "infobox",
		2849	title => "Uptime",
		2850	reply => undef,
		2851	tooltip => "How long the server has been running since last restart",
		2852	},
		2853	"c/mapinfo" => {
		2854	id => "infobox",
		2855	title => "Map Info",
		2856	reply => undef,
		2857	tooltip => "Information related to the maps",
		2858	},
		2859	"c/party" => {
		2860	id => "party",
		2861	title => "Party",
		2862	reply => "gsay ",
		2863	tooltip => "Messages and chat related to your party",
		2864	},
		2865	);
		2866
		2867	sub cf::client::send_msg {
		2868	my ($self, $channel, $msg, $color, @extra) = @_;
		2869
		2870	$msg = $self->pl->expand_cfpod ($msg);
		2871
		2872	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2873
		2874	# check predefined channels, for the benefit of C
		2875	if ($CHANNEL{$channel}) {
		2876	$channel = $CHANNEL{$channel};
		2877
		2878	$self->ext_msg (channel_info => $channel)
		2879	if $self->can_msg;
		2880
		2881	$channel = $channel->{id};
		2882
		2883	} elsif (ref $channel) {
		2884	# send meta info to client, if not yet sent
		2885	unless (exists $self->{channel}{$channel->{id}}) {
		2886	$self->{channel}{$channel->{id}} = $channel;
		2887	$self->ext_msg (channel_info => $channel)
		2888	if $self->can_msg;
		2889	}
		2890
		2891	$channel = $channel->{id};
		2892	}
		2893
		2894	return unless @extra || length $msg;
		2895
		2896	if ($self->can_msg) {
		2897	# default colour, mask it out
		2898	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2899	if $color & cf::NDI_DEF;
		2900
		2901	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2902	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2903	} else {
		2904	if ($color >= 0) {
		2905	# replace some tags by gcfclient-compatible ones
		2906	for ($msg) {
		2907	1 while
		2908	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2909	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2910	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2911	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2912	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2913	}
		2914
		2915	$color &= cf::NDI_COLOR_MASK;
		2916
		2917	utf8::encode $msg;
		2918
		2919	if (0 && $msg =~ /\[/) {
		2920	# COMMAND/INFO
		2921	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2922	} else {
		2923	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2924	$self->send_packet ("drawinfo $color $msg")
		2925	}
		2926	}
		2927	}
		2928	}
		2929
2026	=item $client->ext_event ($type, %msg)	2930	=item $client->ext_msg ($type, @msg)
2027		2931
2028	Sends an exti event to the client.	2932	Sends an ext event to the client.
2029		2933
2030	=cut	2934	=cut
2031		2935
2032	sub cf::client::ext_event($$%) {	2936	sub cf::client::ext_msg($$@) {
2033	my ($self, $type, %msg) = @_;	2937	my ($self, $type, @msg) = @_;
2034		2938
		2939	if ($self->extcmd == 2) {
		2940	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2941	} elsif ($self->extcmd == 1) { # TODO: remove
2035	$msg{msgtype} = "event_$type";	2942	push @msg, msgtype => "event_$type";
2036	$self->send_packet ("ext " . cf::to_json \%msg);	2943	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2944	}
		2945	}
		2946
		2947	=item $client->ext_reply ($msgid, @msg)
		2948
		2949	Sends an ext reply to the client.
		2950
		2951	=cut
		2952
		2953	sub cf::client::ext_reply($$@) {
		2954	my ($self, $id, @msg) = @_;
		2955
		2956	if ($self->extcmd == 2) {
		2957	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2958	} elsif ($self->extcmd == 1) {
		2959	#TODO: version 1, remove
		2960	unshift @msg, msgtype => "reply", msgid => $id;
		2961	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2962	}
2037	}	2963	}
2038		2964
2039	=item $success = $client->query ($flags, "text", \&cb)	2965	=item $success = $client->query ($flags, "text", \&cb)
2040		2966
2041	Queues a query to the client, calling the given callback with	2967	Queues a query to the client, calling the given callback with
2042	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2968	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2043	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2969	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2044		2970
2045	Queries can fail, so check the return code. Or don't, as queries will become	2971	Queries can fail, so check the return code. Or don't, as queries will
2046	reliable at some point in the future.	2972	become reliable at some point in the future.
2047		2973
2048	=cut	2974	=cut
2049		2975
2050	sub cf::client::query {	2976	sub cf::client::query {
2051	my ($self, $flags, $text, $cb) = @_;	2977	my ($self, $flags, $text, $cb) = @_;
…		…
2059	utf8::encode $text;	2985	utf8::encode $text;
2060	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2986	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2061		2987
2062	$self->send_packet ($self->{query_queue}[0][0])	2988	$self->send_packet ($self->{query_queue}[0][0])
2063	if @{ $self->{query_queue} } == 1;	2989	if @{ $self->{query_queue} } == 1;
		2990
		2991	1
2064	}	2992	}
2065		2993
2066	cf::client->attach (	2994	cf::client->attach (
		2995	on_connect => sub {
		2996	my ($ns) = @_;
		2997
		2998	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2999	},
2067	on_reply => sub {	3000	on_reply => sub {
2068	my ($ns, $msg) = @_;	3001	my ($ns, $msg) = @_;
2069		3002
2070	# this weird shuffling is so that direct followup queries	3003	# this weird shuffling is so that direct followup queries
2071	# get handled first	3004	# get handled first
…		…
2083	} else {	3016	} else {
2084	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3017	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2085	}	3018	}
2086	}	3019	}
2087	},	3020	},
		3021	on_exticmd => sub {
		3022	my ($ns, $buf) = @_;
		3023
		3024	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3025
		3026	if (ref $msg) {
		3027	my ($type, $reply, @payload) =
		3028	"ARRAY" eq ref $msg
		3029	? @$msg
		3030	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3031
		3032	my @reply;
		3033
		3034	if (my $cb = $EXTICMD{$type}) {
		3035	@reply = $cb->($ns, @payload);
		3036	}
		3037
		3038	$ns->ext_reply ($reply, @reply)
		3039	if $reply;
		3040
		3041	} else {
		3042	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3043	}
		3044
		3045	cf::override;
		3046	},
2088	);	3047	);
2089		3048
2090	=item $client->async (\&cb)	3049	=item $client->async (\&cb)
2091		3050
2092	Create a new coroutine, running the specified callback. The coroutine will	3051	Create a new coroutine, running the specified callback. The coroutine will
…		…
2133	our $safe = new Safe "safe";	3092	our $safe = new Safe "safe";
2134	our $safe_hole = new Safe::Hole;	3093	our $safe_hole = new Safe::Hole;
2135		3094
2136	$SIG{FPE} = 'IGNORE';	3095	$SIG{FPE} = 'IGNORE';
2137		3096
2138	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3097	$safe->permit_only (Opcode::opset qw(
		3098	:base_core :base_mem :base_orig :base_math
		3099	grepstart grepwhile mapstart mapwhile
		3100	sort time
		3101	));
2139		3102
2140	# here we export the classes and methods available to script code	3103	# here we export the classes and methods available to script code
2141		3104
2142	=pod	3105	=pod
2143		3106
2144	The following functions and methods are available within a safe environment:	3107	The following functions and methods are available within a safe environment:
2145		3108
2146	cf::object contr pay_amount pay_player map	3109	cf::object
		3110	contr pay_amount pay_player map x y force_find force_add destroy
		3111	insert remove name archname title slaying race decrease split
		3112
2147	cf::object::player player	3113	cf::object::player
2148	cf::player peaceful	3114	player
2149	cf::map trigger	3115
		3116	cf::player
		3117	peaceful
		3118
		3119	cf::map
		3120	trigger
2150		3121
2151	=cut	3122	=cut
2152		3123
2153	for (	3124	for (
2154	["cf::object" => qw(contr pay_amount pay_player map)],	3125	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3126	insert remove inv name archname title slaying race
		3127	decrease split destroy)],
2155	["cf::object::player" => qw(player)],	3128	["cf::object::player" => qw(player)],
2156	["cf::player" => qw(peaceful)],	3129	["cf::player" => qw(peaceful)],
2157	["cf::map" => qw(trigger)],	3130	["cf::map" => qw(trigger)],
2158	) {	3131	) {
2159	no strict 'refs';	3132	no strict 'refs';
…		…
2230	=back	3203	=back
2231		3204
2232	=cut	3205	=cut
2233		3206
2234	#############################################################################	3207	#############################################################################
2235
2236	=head2 EXTENSION DATABASE SUPPORT
2237
2238	Crossfire maintains a very simple database for extension use. It can
2239	currently store anything that can be serialised using Storable, which
2240	excludes objects.
2241
2242	The parameter C<$family> should best start with the name of the extension
2243	using it, it should be unique.
2244
2245	=over 4
2246
2247	=item $value = cf::db_get $family => $key
2248
2249	Returns a single value from the database.
2250
2251	=item cf::db_put $family => $key => $value
2252
2253	Stores the given C<$value> in the family.
2254
2255	=cut
2256
2257	our $DB;
2258
2259	sub db_init {
2260	unless ($DB) {
2261	$DB = BDB::db_create $DB_ENV;
2262
2263	cf::sync_job {
2264	eval {
2265	$DB->set_flags (BDB::CHKSUM);
2266
2267	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2268	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2269	cf::cleanup "db_open(db): $!" if $!;
2270	};
2271	cf::cleanup "db_open(db): $@" if $@;
2272	};
2273
2274	my $path = cf::localdir . "/database.pst";
2275	if (stat $path) {
2276	cf::sync_job {
2277	my $pst = Storable::retrieve $path;
2278
2279	cf::db_put (board => data => $pst->{board});
2280	cf::db_put (guildrules => data => $pst->{guildrules});
2281	cf::db_put (rent => balance => $pst->{rent}{balance});
2282	BDB::db_env_txn_checkpoint $DB_ENV;
2283
2284	unlink $path;
2285	};
2286	}
2287	}
2288	}
2289
2290	sub db_get($$) {
2291	my $key = "$_[0]/$_[1]";
2292
2293	cf::sync_job {
2294	BDB::db_get $DB, undef, $key, my $data;
2295
2296	$! ? ()
2297	: Compress::LZF::sthaw $data
2298	}
2299	}
2300
2301	sub db_put($$$) {
2302	BDB::dbreq_pri 4;
2303	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2304	}
2305
2306	#############################################################################
2307	# the server's init and main functions	3208	# the server's init and main functions
2308		3209
2309	sub load_facedata {	3210	sub load_facedata($) {
2310	my $path = sprintf "%s/facedata", cf::datadir;	3211	my ($path) = @_;
		3212
		3213	# HACK to clear player env face cache, we need some signal framework
		3214	# for this (global event?)
		3215	%ext::player_env::MUSIC_FACE_CACHE = ();
		3216
		3217	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2311		3218
2312	warn "loading facedata from $path\n";	3219	warn "loading facedata from $path\n";
2313		3220
2314	my $facedata;	3221	my $facedata;
2315	0 < aio_load $path, $facedata	3222	0 < aio_load $path, $facedata
…		…
2318	$facedata = Coro::Storable::thaw $facedata;	3225	$facedata = Coro::Storable::thaw $facedata;
2319		3226
2320	$facedata->{version} == 2	3227	$facedata->{version} == 2
2321	or cf::cleanup "$path: version mismatch, cannot proceed.";	3228	or cf::cleanup "$path: version mismatch, cannot proceed.";
2322		3229
		3230	# patch in the exptable
		3231	$facedata->{resource}{"res/exp_table"} = {
		3232	type => FT_RSRC,
		3233	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3234	};
		3235	cf::cede_to_tick;
		3236
2323	{	3237	{
2324	my $faces = $facedata->{faceinfo};	3238	my $faces = $facedata->{faceinfo};
2325		3239
2326	while (my ($face, $info) = each %$faces) {	3240	while (my ($face, $info) = each %$faces) {
2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3241	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3242
2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3243	cf::face::set_visibility $idx, $info->{visibility};
		3244	cf::face::set_magicmap $idx, $info->{magicmap};
2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3245	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3246	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2331	Coro::cede;	3247
		3248	cf::cede_to_tick;
2332	}	3249	}
2333		3250
2334	while (my ($face, $info) = each %$faces) {	3251	while (my ($face, $info) = each %$faces) {
2335	next unless $info->{smooth};	3252	next unless $info->{smooth};
		3253
2336	my $idx = cf::face::find $face	3254	my $idx = cf::face::find $face
2337	or next;	3255	or next;
		3256
2338	if (my $smooth = cf::face::find $info->{smooth}) {	3257	if (my $smooth = cf::face::find $info->{smooth}) {
		3258	cf::face::set_smooth $idx, $smooth;
2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3259	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2340	} else {	3260	} else {
2341	warn "smooth face '$info->{smooth}' not found for face '$face'";	3261	warn "smooth face '$info->{smooth}' not found for face '$face'";
2342	}	3262	}
2343	Coro::cede;	3263
		3264	cf::cede_to_tick;
2344	}	3265	}
2345	}	3266	}
2346		3267
2347	{	3268	{
2348	my $anims = $facedata->{animinfo};	3269	my $anims = $facedata->{animinfo};
2349		3270
2350	while (my ($anim, $info) = each %$anims) {	3271	while (my ($anim, $info) = each %$anims) {
2351	cf::anim::set $anim, $info->{frames}, $info->{facings};	3272	cf::anim::set $anim, $info->{frames}, $info->{facings};
2352	Coro::cede;	3273	cf::cede_to_tick;
2353	}	3274	}
2354		3275
2355	cf::anim::invalidate_all; # d'oh	3276	cf::anim::invalidate_all; # d'oh
2356	}	3277	}
2357		3278
		3279	{
		3280	# TODO: for gcfclient pleasure, we should give resources
		3281	# that gcfclient doesn't grok a >10000 face index.
		3282	my $res = $facedata->{resource};
		3283
		3284	while (my ($name, $info) = each %$res) {
		3285	if (defined $info->{type}) {
		3286	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3287	my $data;
		3288
		3289	if ($info->{type} & 1) {
		3290	# prepend meta info
		3291
		3292	my $meta = $enc->encode ({
		3293	name => $name,
		3294	%{ $info->{meta} || {} },
		3295	});
		3296
		3297	$data = pack "(w/a*)*", $meta, $info->{data};
		3298	} else {
		3299	$data = $info->{data};
		3300	}
		3301
		3302	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3303	cf::face::set_type $idx, $info->{type};
		3304	} else {
		3305	$RESOURCE{$name} = $info;
		3306	}
		3307
		3308	cf::cede_to_tick;
		3309	}
		3310	}
		3311
		3312	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3313
2358	1	3314	1
2359	}	3315	}
2360		3316
		3317	cf::global->attach (on_resource_update => sub {
		3318	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3319	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3320
		3321	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3322	my $sound = $soundconf->{compat}[$_]
		3323	or next;
		3324
		3325	my $face = cf::face::find "sound/$sound->[1]";
		3326	cf::sound::set $sound->[0] => $face;
		3327	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3328	}
		3329
		3330	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3331	my $face = cf::face::find "sound/$v";
		3332	cf::sound::set $k => $face;
		3333	}
		3334	}
		3335	});
		3336
		3337	register_exticmd fx_want => sub {
		3338	my ($ns, $want) = @_;
		3339
		3340	while (my ($k, $v) = each %$want) {
		3341	$ns->fx_want ($k, $v);
		3342	}
		3343	};
		3344
		3345	sub load_resource_file($) {
		3346	my $guard = lock_acquire "load_resource_file";
		3347
		3348	my $status = load_resource_file_ $_[0];
		3349	get_slot 0.1, 100;
		3350	cf::arch::commit_load;
		3351
		3352	$status
		3353	}
		3354
		3355	sub reload_regions {
		3356	# HACK to clear player env face cache, we need some signal framework
		3357	# for this (global event?)
		3358	%ext::player_env::MUSIC_FACE_CACHE = ();
		3359
		3360	load_resource_file "$MAPDIR/regions"
		3361	or die "unable to load regions file\n";
		3362
		3363	for (cf::region::list) {
		3364	$_->{match} = qr/$_->{match}/
		3365	if exists $_->{match};
		3366	}
		3367	}
		3368
		3369	sub reload_facedata {
		3370	load_facedata "$DATADIR/facedata"
		3371	or die "unable to load facedata\n";
		3372	}
		3373
		3374	sub reload_archetypes {
		3375	load_resource_file "$DATADIR/archetypes"
		3376	or die "unable to load archetypes\n";
		3377	}
		3378
		3379	sub reload_treasures {
		3380	load_resource_file "$DATADIR/treasures"
		3381	or die "unable to load treasurelists\n";
		3382	}
		3383
2361	sub reload_resources {	3384	sub reload_resources {
2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3385	warn "reloading resource files...\n";
2363	or die "unable to load regions file\n";#d#	3386
2364	load_facedata	3387	reload_facedata;
2365	or die "unable to load facedata\n";#d#	3388	reload_archetypes;
		3389	reload_regions;
		3390	reload_treasures;
		3391
		3392	warn "finished reloading resource files\n";
2366	}	3393	}
2367		3394
2368	sub init {	3395	sub init {
		3396	my $guard = freeze_mainloop;
		3397
2369	reload_resources;	3398	reload_resources;
2370	}	3399	}
2371		3400
2372	sub cfg_load {	3401	sub reload_config {
2373	open my $fh, "<:utf8", cf::confdir . "/config"	3402	open my $fh, "<:utf8", "$CONFDIR/config"
2374	or return;	3403	or return;
2375		3404
2376	local $/;	3405	local $/;
2377	*CFG = YAML::Syck::Load <$fh>;	3406	*CFG = YAML::Load <$fh>;
2378		3407
2379	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3408	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2380		3409
2381	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3410	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2382	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3411	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2393	sub main {	3422	sub main {
2394	# we must not ever block the main coroutine	3423	# we must not ever block the main coroutine
2395	local $Coro::idle = sub {	3424	local $Coro::idle = sub {
2396	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3425	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2397	(async {	3426	(async {
2398	Event::one_event;	3427	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3428	EV::loop EV::LOOP_ONESHOT;
2399	})->prio (Coro::PRIO_MAX);	3429	})->prio (Coro::PRIO_MAX);
2400	};	3430	};
2401		3431
2402	cfg_load;	3432	{
		3433	my $guard = freeze_mainloop;
		3434	reload_config;
2403	db_init;	3435	db_init;
2404	load_extensions;	3436	load_extensions;
2405		3437
2406	$TICK_WATCHER->start;	3438	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3439	evthread_start IO::AIO::poll_fileno;
		3440	}
		3441
2407	Event::loop;	3442	EV::loop;
2408	}	3443	}
2409		3444
2410	#############################################################################	3445	#############################################################################
2411	# initialisation and cleanup	3446	# initialisation and cleanup
2412		3447
2413	# install some emergency cleanup handlers	3448	# install some emergency cleanup handlers
2414	BEGIN {	3449	BEGIN {
		3450	our %SIGWATCHER = ();
2415	for my $signal (qw(INT HUP TERM)) {	3451	for my $signal (qw(INT HUP TERM)) {
2416	Event->signal (	3452	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2417	reentrant => 0,
2418	data => WF_AUTOCANCEL,
2419	signal => $signal,
2420	prio => 0,
2421	cb => sub {
2422	cf::cleanup "SIG$signal";	3453	cf::cleanup "SIG$signal";
2423	},
2424	);	3454	};
		3455	}
		3456	}
		3457
		3458	sub write_runtime_sync {
		3459	my $runtime = "$LOCALDIR/runtime";
		3460
		3461	# first touch the runtime file to show we are still running:
		3462	# the fsync below can take a very very long time.
		3463
		3464	IO::AIO::aio_utime $runtime, undef, undef;
		3465
		3466	my $guard = cf::lock_acquire "write_runtime";
		3467
		3468	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3469	or return;
		3470
		3471	my $value = $cf::RUNTIME + 90 + 10;
		3472	# 10 is the runtime save interval, for a monotonic clock
		3473	# 60 allows for the watchdog to kill the server.
		3474
		3475	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3476	and return;
		3477
		3478	# always fsync - this file is important
		3479	aio_fsync $fh
		3480	and return;
		3481
		3482	# touch it again to show we are up-to-date
		3483	aio_utime $fh, undef, undef;
		3484
		3485	close $fh
		3486	or return;
		3487
		3488	aio_rename "$runtime~", $runtime
		3489	and return;
		3490
		3491	warn "runtime file written.\n";
		3492
2425	}	3493	1
		3494	}
		3495
		3496	our $uuid_lock;
		3497	our $uuid_skip;
		3498
		3499	sub write_uuid_sync($) {
		3500	$uuid_skip ||= $_[0];
		3501
		3502	return if $uuid_lock;
		3503	local $uuid_lock = 1;
		3504
		3505	my $uuid = "$LOCALDIR/uuid";
		3506
		3507	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3508	or return;
		3509
		3510	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3511	$uuid_skip = 0;
		3512
		3513	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3514	and return;
		3515
		3516	# always fsync - this file is important
		3517	aio_fsync $fh
		3518	and return;
		3519
		3520	close $fh
		3521	or return;
		3522
		3523	aio_rename "$uuid~", $uuid
		3524	and return;
		3525
		3526	warn "uuid file written ($value).\n";
		3527
		3528	1
		3529
		3530	}
		3531
		3532	sub write_uuid($$) {
		3533	my ($skip, $sync) = @_;
		3534
		3535	$sync ? write_uuid_sync $skip
		3536	: async { write_uuid_sync $skip };
2426	}	3537	}
2427		3538
2428	sub emergency_save() {	3539	sub emergency_save() {
2429	my $freeze_guard = cf::freeze_mainloop;	3540	my $freeze_guard = cf::freeze_mainloop;
2430		3541
…		…
2436	# and maps saved/destroyed asynchronously.	3547	# and maps saved/destroyed asynchronously.
2437	warn "begin emergency player save\n";	3548	warn "begin emergency player save\n";
2438	for my $login (keys %cf::PLAYER) {	3549	for my $login (keys %cf::PLAYER) {
2439	my $pl = $cf::PLAYER{$login} or next;	3550	my $pl = $cf::PLAYER{$login} or next;
2440	$pl->valid or next;	3551	$pl->valid or next;
		3552	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2441	$pl->save;	3553	$pl->save;
2442	}	3554	}
2443	warn "end emergency player save\n";	3555	warn "end emergency player save\n";
2444		3556
2445	warn "begin emergency map save\n";	3557	warn "begin emergency map save\n";
…		…
2451	warn "end emergency map save\n";	3563	warn "end emergency map save\n";
2452		3564
2453	warn "begin emergency database checkpoint\n";	3565	warn "begin emergency database checkpoint\n";
2454	BDB::db_env_txn_checkpoint $DB_ENV;	3566	BDB::db_env_txn_checkpoint $DB_ENV;
2455	warn "end emergency database checkpoint\n";	3567	warn "end emergency database checkpoint\n";
		3568
		3569	warn "begin write uuid\n";
		3570	write_uuid_sync 1;
		3571	warn "end write uuid\n";
2456	};	3572	};
2457		3573
2458	warn "leave emergency perl save\n";	3574	warn "leave emergency perl save\n";
2459	}	3575	}
2460		3576
…		…
2463		3579
2464	warn Carp::longmess "post_cleanup backtrace"	3580	warn Carp::longmess "post_cleanup backtrace"
2465	if $make_core;	3581	if $make_core;
2466	}	3582	}
2467		3583
2468	sub reload() {	3584	sub do_reload_perl() {
2469	# can/must only be called in main	3585	# can/must only be called in main
2470	if ($Coro::current != $Coro::main) {	3586	if ($Coro::current != $Coro::main) {
2471	warn "can only reload from main coroutine";	3587	warn "can only reload from main coroutine";
2472	return;	3588	return;
2473	}	3589	}
…		…
2475	warn "reloading...";	3591	warn "reloading...";
2476		3592
2477	warn "entering sync_job";	3593	warn "entering sync_job";
2478		3594
2479	cf::sync_job {	3595	cf::sync_job {
2480	cf::write_runtime; # external watchdog should not bark	3596	cf::write_runtime_sync; # external watchdog should not bark
2481	cf::emergency_save;	3597	cf::emergency_save;
2482	cf::write_runtime; # external watchdog should not bark	3598	cf::write_runtime_sync; # external watchdog should not bark
2483		3599
2484	warn "syncing database to disk";	3600	warn "syncing database to disk";
2485	BDB::db_env_txn_checkpoint $DB_ENV;	3601	BDB::db_env_txn_checkpoint $DB_ENV;
2486		3602
2487	# if anything goes wrong in here, we should simply crash as we already saved	3603	# if anything goes wrong in here, we should simply crash as we already saved
2488
2489	warn "cancelling all WF_AUTOCANCEL watchers";
2490	for (Event::all_watchers) {
2491	$_->cancel if $_->data & WF_AUTOCANCEL;
2492	}
2493		3604
2494	warn "flushing outstanding aio requests";	3605	warn "flushing outstanding aio requests";
2495	for (;;) {	3606	for (;;) {
2496	BDB::flush;	3607	BDB::flush;
2497	IO::AIO::flush;	3608	IO::AIO::flush;
2498	Coro::cede;	3609	Coro::cede_notself;
2499	last unless IO::AIO::nreqs || BDB::nreqs;	3610	last unless IO::AIO::nreqs || BDB::nreqs;
2500	warn "iterate...";	3611	warn "iterate...";
2501	}	3612	}
2502		3613
2503	++$RELOAD;	3614	++$RELOAD;
…		…
2507	%EXT_CORO = ();	3618	%EXT_CORO = ();
2508		3619
2509	warn "removing commands";	3620	warn "removing commands";
2510	%COMMAND = ();	3621	%COMMAND = ();
2511		3622
2512	warn "removing ext commands";	3623	warn "removing ext/exti commands";
2513	%EXTCMD = ();	3624	%EXTCMD = ();
		3625	%EXTICMD = ();
2514		3626
2515	warn "unloading/nuking all extensions";	3627	warn "unloading/nuking all extensions";
2516	for my $pkg (@EXTS) {	3628	for my $pkg (@EXTS) {
2517	warn "... unloading $pkg";	3629	warn "... unloading $pkg";
2518		3630
…		…
2548	Symbol::delete_package "safe::$_"	3660	Symbol::delete_package "safe::$_"
2549	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3661	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2550		3662
2551	warn "unloading cf.pm \"a bit\"";	3663	warn "unloading cf.pm \"a bit\"";
2552	delete $INC{"cf.pm"};	3664	delete $INC{"cf.pm"};
		3665	delete $INC{"cf/pod.pm"};
2553		3666
2554	# don't, removes xs symbols, too,	3667	# don't, removes xs symbols, too,
2555	# and global variables created in xs	3668	# and global variables created in xs
2556	#Symbol::delete_package __PACKAGE__;	3669	#Symbol::delete_package __PACKAGE__;
2557		3670
…		…
2560	warn "reloading cf.pm";	3673	warn "reloading cf.pm";
2561	require cf;	3674	require cf;
2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3675	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2563		3676
2564	warn "loading config and database again";	3677	warn "loading config and database again";
2565	cf::cfg_load;	3678	cf::reload_config;
2566		3679
2567	warn "loading extensions";	3680	warn "loading extensions";
2568	cf::load_extensions;	3681	cf::load_extensions;
2569		3682
2570	warn "reattaching attachments to objects/players";	3683	warn "reattaching attachments to objects/players";
…		…
2572	warn "reattaching attachments to maps";	3685	warn "reattaching attachments to maps";
2573	reattach $_ for values %MAP;	3686	reattach $_ for values %MAP;
2574	warn "reattaching attachments to players";	3687	warn "reattaching attachments to players";
2575	reattach $_ for values %PLAYER;	3688	reattach $_ for values %PLAYER;
2576		3689
2577	warn "loading reloadable resources";
2578	reload_resources;
2579
2580	warn "leaving sync_job";	3690	warn "leaving sync_job";
2581		3691
2582	1	3692	1
2583	} or do {	3693	} or do {
2584	warn $@;	3694	warn $@;
2585	warn "error while reloading, exiting.";	3695	cf::cleanup "error while reloading, exiting.";
2586	exit 1;
2587	};	3696	};
2588		3697
2589	warn "reloaded";	3698	warn "reloaded";
2590	};	3699	};
2591		3700
2592	our $RELOAD_WATCHER; # used only during reload	3701	our $RELOAD_WATCHER; # used only during reload
2593		3702
		3703	sub reload_perl() {
		3704	# doing reload synchronously and two reloads happen back-to-back,
		3705	# coro crashes during coro_state_free->destroy here.
		3706
		3707	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3708	do_reload_perl;
		3709	undef $RELOAD_WATCHER;
		3710	};
		3711	}
		3712
2594	register_command "reload" => sub {	3713	register_command "reload" => sub {
2595	my ($who, $arg) = @_;	3714	my ($who, $arg) = @_;
2596		3715
2597	if ($who->flag (FLAG_WIZ)) {	3716	if ($who->flag (FLAG_WIZ)) {
2598	$who->message ("reloading server.");	3717	$who->message ("reloading server.");
2599		3718	async {
2600	# doing reload synchronously and two reloads happen back-to-back,	3719	$Coro::current->{desc} = "perl_reload";
2601	# coro crashes during coro_state_free->destroy here.
2602
2603	$RELOAD_WATCHER ||= Event->timer (
2604	reentrant => 0,
2605	after => 0,
2606	data => WF_AUTOCANCEL,
2607	cb => sub {
2608	reload;	3720	reload_perl;
2609	undef $RELOAD_WATCHER;
2610	},
2611	);	3721	};
2612	}	3722	}
2613	};	3723	};
2614		3724
2615	unshift @INC, $LIBDIR;	3725	unshift @INC, $LIBDIR;
2616		3726
2617	my $bug_warning = 0;	3727	my $bug_warning = 0;
2618		3728
2619	$TICK_WATCHER = Event->timer (	3729	our @WAIT_FOR_TICK;
2620	reentrant => 0,	3730	our @WAIT_FOR_TICK_BEGIN;
2621	parked => 1,	3731
2622	prio => 0,	3732	sub wait_for_tick {
2623	at => $NEXT_TICK || $TICK,	3733	return if tick_inhibit || $Coro::current == $Coro::main;
2624	data => WF_AUTOCANCEL,	3734
2625	cb => sub {	3735	my $signal = new Coro::Signal;
		3736	push @WAIT_FOR_TICK, $signal;
		3737	$signal->wait;
		3738	}
		3739
		3740	sub wait_for_tick_begin {
		3741	return if tick_inhibit || $Coro::current == $Coro::main;
		3742
		3743	my $signal = new Coro::Signal;
		3744	push @WAIT_FOR_TICK_BEGIN, $signal;
		3745	$signal->wait;
		3746	}
		3747
		3748	sub tick {
2626	if ($Coro::current != $Coro::main) {	3749	if ($Coro::current != $Coro::main) {
2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3750	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2628	unless ++$bug_warning > 10;	3751	unless ++$bug_warning > 10;
2629	return;	3752	return;
2630	}	3753	}
2631		3754
2632	$NOW = Event::time;
2633
2634	cf::server_tick; # one server iteration	3755	cf::server_tick; # one server iteration
2635	$RUNTIME += $TICK;
2636	$NEXT_TICK += $TICK;
2637		3756
2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3757	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2639	$NEXT_RUNTIME_WRITE = $NOW + 10;	3758	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2640	Coro::async_pool {	3759	Coro::async_pool {
		3760	$Coro::current->{desc} = "runtime saver";
2641	write_runtime	3761	write_runtime_sync
2642	or warn "ERROR: unable to write runtime file: $!";	3762	or warn "ERROR: unable to write runtime file: $!";
2643	};
2644	}	3763	};
2645
2646	$WAIT_FOR_TICK->broadcast;
2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2648
2649	# my $AFTER = Event::time;
2650	# warn $AFTER - $NOW;#d#
2651
2652	# if we are delayed by four ticks or more, skip them all
2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2654
2655	$TICK_WATCHER->at ($NEXT_TICK);
2656	$TICK_WATCHER->start;
2657	},	3764	}
2658	);	3765
		3766	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3767	$sig->send;
		3768	}
		3769	while (my $sig = shift @WAIT_FOR_TICK) {
		3770	$sig->send;
		3771	}
		3772
		3773	$LOAD = ($NOW - $TICK_START) / $TICK;
		3774	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3775
		3776	if (0) {
		3777	if ($NEXT_TICK) {
		3778	my $jitter = $TICK_START - $NEXT_TICK;
		3779	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3780	warn "jitter $JITTER\n";#d#
		3781	}
		3782	}
		3783	}
2659		3784
2660	{	3785	{
2661	BDB::max_poll_time $TICK * 0.1;	3786	# configure BDB
2662	$BDB_POLL_WATCHER = Event->io (	3787
2663	reentrant => 0,
2664	fd => BDB::poll_fileno,
2665	poll => 'r',
2666	prio => 0,
2667	data => WF_AUTOCANCEL,
2668	cb => \&BDB::poll_cb,
2669	);
2670	BDB::min_parallel 8;	3788	BDB::min_parallel 8;
2671		3789	BDB::max_poll_reqs $TICK * 0.1;
2672	BDB::set_sync_prepare {	3790	$Coro::BDB::WATCHER->priority (1);
2673	my $status;
2674	my $current = $Coro::current;
2675	(
2676	sub {
2677	$status = $!;
2678	$current->ready; undef $current;
2679	},
2680	sub {
2681	Coro::schedule while defined $current;
2682	$! = $status;
2683	},
2684	)
2685	};
2686		3791
2687	unless ($DB_ENV) {	3792	unless ($DB_ENV) {
2688	$DB_ENV = BDB::db_env_create;	3793	$DB_ENV = BDB::db_env_create;
		3794	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3795	| BDB::LOG_AUTOREMOVE, 1);
		3796	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3797	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2689		3798
2690	cf::sync_job {	3799	cf::sync_job {
2691	eval {	3800	eval {
2692	BDB::db_env_open	3801	BDB::db_env_open
2693	$DB_ENV,	3802	$DB_ENV,
2694	$BDB_ENV_DIR,	3803	$BDBDIR,
2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3804	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3805	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2697	0666;	3806	0666;
2698		3807
2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3808	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2700
2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2702	$DB_ENV->set_lk_detect;
2703	};	3809	};
2704		3810
2705	cf::cleanup "db_env_open(db): $@" if $@;	3811	cf::cleanup "db_env_open(db): $@" if $@;
2706	};	3812	};
2707	}	3813	}
		3814
		3815	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3816	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3817	};
		3818	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3819	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3820	};
		3821	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3822	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3823	};
2708	}	3824	}
2709		3825
2710	{	3826	{
		3827	# configure IO::AIO
		3828
2711	IO::AIO::min_parallel 8;	3829	IO::AIO::min_parallel 8;
2712
2713	undef $Coro::AIO::WATCHER;
2714	IO::AIO::max_poll_time $TICK * 0.1;	3830	IO::AIO::max_poll_time $TICK * 0.1;
2715	$AIO_POLL_WATCHER = Event->io (	3831	$Coro::AIO::WATCHER->priority (1);
2716	reentrant => 0,
2717	data => WF_AUTOCANCEL,
2718	fd => IO::AIO::poll_fileno,
2719	poll => 'r',
2720	prio => 6,
2721	cb => \&IO::AIO::poll_cb,
2722	);
2723	}	3832	}
		3833
		3834	my $_log_backtrace;
		3835
		3836	sub _log_backtrace {
		3837	my ($msg, @addr) = @_;
		3838
		3839	$msg =~ s/\n//;
		3840
		3841	# limit the # of concurrent backtraces
		3842	if ($_log_backtrace < 2) {
		3843	++$_log_backtrace;
		3844	async {
		3845	$Coro::current->{desc} = "abt $msg";
		3846
		3847	my @bt = fork_call {
		3848	@addr = map { sprintf "%x", $_ } @addr;
		3849	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3850	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3851	or die "addr2line: $!";
		3852
		3853	my @funcs;
		3854	my @res = <$fh>;
		3855	chomp for @res;
		3856	while (@res) {
		3857	my ($func, $line) = splice @res, 0, 2, ();
		3858	push @funcs, "[$func] $line";
		3859	}
		3860
		3861	@funcs
		3862	};
		3863
		3864	LOG llevInfo, "[ABT] $msg\n";
		3865	LOG llevInfo, "[ABT] $_\n" for @bt;
		3866	--$_log_backtrace;
		3867	};
		3868	} else {
		3869	LOG llevInfo, "[ABT] $msg\n";
		3870	LOG llevInfo, "[ABT] [suppressed]\n";
		3871	}
		3872	}
		3873
		3874	# load additional modules
		3875	use cf::pod;
2724		3876
2725	END { cf::emergency_save }	3877	END { cf::emergency_save }
2726		3878
2727	1	3879	1
2728		3880

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