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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.235 by root, Tue Apr 10 09:35:23 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;
		45	use Coro::Storable;
		46	use Coro::Util ();
21		47
		48	use JSON::XS 2.01 ();
22	use BDB ();	49	use BDB ();
23	use Data::Dumper;	50	use Data::Dumper;
24	use Digest::MD5;	51	use Digest::MD5;
25	use Fcntl;	52	use Fcntl;
26	use YAML::Syck ();	53	use YAML ();
27	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
28	use Time::HiRes;	55	use Time::HiRes;
29	use Compress::LZF;	56	use Compress::LZF;
		57	use Digest::MD5 ();
30		58
31	# configure various modules to our taste	59	# configure various modules to our taste
32	#	60	#
		61	$Storable::canonical = 1; # reduce rsync transfers
33	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
34	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
35		64
36	$Event::Eval = 1; # no idea why this is required, but it is
37
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$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
42		66
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
44		68
45	our %COMMAND = ();	69	our %COMMAND = ();
46	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
47		71
48	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
52		77
53	our $RELOAD; # number of reloads so far	78	our $RELOAD; # number of reloads so far
54	our @EVENT;	79	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		80
57	our $TICK = MAX_TIME * 1e-6;	81	our $CONFDIR = confdir;
58	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(!)
59	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	97	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
64		99
65	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	104	our $DB_ENV;
67		105
68	our %CFG;	106	our %CFG;
69		107
70	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
72		111
73	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		115
82	# 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 ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		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 $TICK_START; # for load detecting purposes
		123
85	binmode STDOUT;	124	binmode STDOUT;
86	binmode STDERR;	125	binmode STDERR;
87		126
88	# read virtual server time, if available	127	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
90	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
91	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
92	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
93	}	132	}
94		133
95	mkdir cf::localdir;	134	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		136
102	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
103		138
104	sub cf::map::normalise;	139	sub cf::map::normalise;
105		140
…		…
116	=item $cf::RUNTIME	151	=item $cf::RUNTIME
117		152
118	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
119	every server tick.	154	every server tick.
120		155
121	=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
122		159
123	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
124	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.
125		164
126	=item $cf::NOW	165	=item $cf::NOW
127		166
128	The time of the last (current) server tick.	167	The time of the last (current) server tick.
129		168
130	=item $cf::TICK	169	=item $cf::TICK
131		170
132	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
133		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
134	=item %cf::CFG	183	=item %cf::CFG
135		184
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	186	from wherever your confdir points to.
138		187
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		189
141	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
142	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
143	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.
144	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.
145		199
146	=back	200	=back
147		201
148	=cut	202	=cut
149		203
150	BEGIN {	204	BEGIN {
151	*CORE::GLOBAL::warn = sub {	205	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	206	my $msg = join "", @_;
153	utf8::encode $msg;
154		207
155	$msg .= "\n"	208	$msg .= "\n"
156	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
157		210
		211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		212
158	LOG llevError, $msg;	213	LOG llevError, $msg;
159	};	214	};
160	}	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#?
161		231
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@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';
167	@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)
168		239
169	# 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
170	# within the Safe compartment.	241	# within the Safe compartment.
171	for my $pkg (qw(	242	for my $pkg (qw(
172	cf::global cf::attachable	243	cf::global cf::attachable
…		…
177	)) {	248	)) {
178	no strict 'refs';	249	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	251	}
181		252
182	$Event::DIED = sub {	253	$EV::DIED = sub {
183	warn "error in event callback: @_";	254	warn "error in event callback: @_";
184	};	255	};
		256
		257	#############################################################################
185		258
186	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
187		260
188	=over 4	261	=over 4
189		262
…		…
208	$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;
209	$d	282	$d
210	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
211	}	284	}
212		285
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
216		287
217	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
218		289
219	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
220		291
221	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]) }
222		300
223	=item cf::lock_wait $string	301	=item cf::lock_wait $string
224		302
225	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
226		304
…		…
229	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
230	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,
231	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
232	returned.	310	returned.
233		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
234	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
235	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
236		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
237	=cut	322	=cut
238		323
239	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
240		326
241	sub lock_wait($) {	327	sub lock_wait($) {
242	my ($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#
243		334
244	# wait for lock, if any	335	# wait for lock, if any
245	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;	338	Coro::schedule;
…		…
253		344
254	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
255	lock_wait $key;	346	lock_wait $key;
256		347
257	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
258		350
259	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
260	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
262	}	355	}
263	}	356	}
264		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
265	sub freeze_mainloop {	364	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
267		366
268	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
269	$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($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
270	};	428	}
271	$TICK_WATCHER->stop;	429	};
272	$guard	430
		431	sub get_slot($;$$) {
		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	$sig->wait;
273	}	443	}
274		444
275	=item cf::async { BLOCK }	445	=item cf::async { BLOCK }
276		446
277	Currently the same as Coro::async_pool, meaning you cannot use	447	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		452
283	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
284		454
285	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
286		456
287	The design of crossfire+ requires that the main coro ($Coro::main) is	457	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	458	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	459	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		460	acceptable.
290		461
291	If it must be done, put the blocking parts into C<sync_job>. This will run	462	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	463	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	464	server will be frozen during this time, so the block should either finish
294	fast or be very important.	465	fast or be very important.
…		…
297		468
298	sub sync_job(&) {	469	sub sync_job(&) {
299	my ($job) = @_;	470	my ($job) = @_;
300		471
301	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
		473	my $time = EV::time;
		474
302	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
304		477
305	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	479
307	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
308		481
309	my $busy = 1;	482	my $busy = 1;
310	my @res;	483	my @res;
311		484
312	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	487	@res = eval { $job->() };
314	warn $@ if $@;	488	warn $@ if $@;
315	undef $busy;	489	undef $busy;
316	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
317		491
318	while ($busy) {	492	while ($busy) {
319	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
320	}	497	}
		498	}
		499
		500	my $time = EV::time - $time;
		501
		502	$TICK_START += $time; # do not account sync jobs to server load
321		503
322	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
323	} else {	505	} else {
324	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
325		507
…		…
345	$EXT_CORO{$coro+0} = $coro;	527	$EXT_CORO{$coro+0} = $coro;
346		528
347	$coro	529	$coro
348	}	530	}
349		531
350	sub write_runtime {	532	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		533
353	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.
354		538
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	539	=cut
356	or return;
357		540
358	my $value = $cf::RUNTIME + 90 + 10;	541	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	542	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		543
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	544	# we seemingly have to make a local copy of the whole thing,
363	and return;	545	# otherwise perl prematurely frees the stuff :/
		546	# TODO: investigate and fix (likely this will be rather laborious)
364		547
365	# always fsync - this file is important	548	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	549	reset_signals;
367	and return;	550	&$cb
		551	}, @args;
368		552
369	close $fh	553	wantarray ? @res : $res[-1]
370	or return;	554	}
371		555
372	aio_rename "$runtime~", $runtime	556	=item $coin = coin_from_name $name
373	and return;
374		557
		558	=cut
		559
		560	our %coin_alias = (
		561	"silver" => "silvercoin",
		562	"silvercoin" => "silvercoin",
		563	"silvercoins" => "silvercoin",
		564	"gold" => "goldcoin",
		565	"goldcoin" => "goldcoin",
		566	"goldcoins" => "goldcoin",
		567	"platinum" => "platinacoin",
		568	"platinumcoin" => "platinacoin",
		569	"platinumcoins" => "platinacoin",
		570	"platina" => "platinacoin",
		571	"platinacoin" => "platinacoin",
		572	"platinacoins" => "platinacoin",
		573	"royalty" => "royalty",
		574	"royalties" => "royalty",
		575	);
		576
		577	sub coin_from_name($) {
		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($$) {
		625	my $key = "$_[0]/$_[1]";
		626
		627	cf::sync_job {
		628	BDB::db_get $DB, undef, $key, my $data;
		629
		630	$! ? ()
		631	: $data
375	1	632	}
		633	}
		634
		635	sub db_put($$$) {
		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"
376	}	708	}
377		709
378	=item cf::datalog type => key => value, ...	710	=item cf::datalog type => key => value, ...
379		711
380	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.
…		…
398	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")
399	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
400		732
401	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>
402	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
403	crossfire+).	735	Deliantra).
404		736
405	=over 4	737	=over 4
406		738
407	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
408		740
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	903	$registry = $CB_TYPE[$object_type] ||= [];
572		904
573	} elsif ($type eq "subtype") {	905	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	906	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	907	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	908	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		909
578	} elsif ($type eq "package") {	910	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	911	my $pkg = shift @arg;
580		912
581	while (my ($name, $id) = each %cb_id) {	913	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	942	_attach $registry, $klass, @attach;
611	}	943	}
612		944
613	$obj->{$name} = \%arg;	945	$obj->{$name} = \%arg;
614	} else {	946	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	947	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	948	}
617		949
618	$obj->{_attachment}{$name} = undef;	950	$obj->{_attachment}{$name} = undef;
619	}	951	}
620		952
…		…
622	if (ref $_[0]) {	954	if (ref $_[0]) {
623	_object_attach @_;	955	_object_attach @_;
624	} else {	956	} else {
625	_attach shift->_attach_registry, @_;	957	_attach shift->_attach_registry, @_;
626	}	958	}
		959	_recalc_want;
627	};	960	};
628		961
629	# all those should be optimised	962	# all those should be optimised
630	sub cf::attachable::detach {	963	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	964	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	967	delete $obj->{_attachment}{$name};
635	reattach ($obj);	968	reattach ($obj);
636	} else {	969	} else {
637	Carp::croak "cannot, currently, detach class attachments";	970	Carp::croak "cannot, currently, detach class attachments";
638	}	971	}
		972	_recalc_want;
639	};	973	};
640		974
641	sub cf::attachable::attached {	975	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	976	my ($obj, $name) = @_;
643		977
…		…
658	";	992	";
659	die if $@;	993	die if $@;
660	}	994	}
661		995
662	our $override;	996	our $override;
663	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?
664		998
665	sub override {	999	sub override {
666	$override = 1;	1000	$override = 1;
667	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
668	}	1002	}
669		1003
670	sub do_invoke {	1004	sub do_invoke {
671	my $event = shift;	1005	my $event = shift;
672	my $callbacks = shift;	1006	my $callbacks = shift;
673		1007
674	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
675		1009
676	local $override;	1010	local $override;
677		1011
678	for (@$callbacks) {	1012	for (@$callbacks) {
679	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
688	}	1022	}
689		1023
690	0	1024	0
691	}	1025	}
692		1026
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1028
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1030
697	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
698		1032
699	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
700	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
701	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1036
703	=back	1037	=back
704		1038
705	=cut	1039	=cut
706		1040
707	#############################################################################	1041	#############################################################################
708	# 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, $ob2
		1084	}
709		1085
710	sub reattach {	1086	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1088	my ($obj) = @_;
713		1089
…		…
734	cf::attachable->attach (	1110	cf::attachable->attach (
735	prio => -1000000,	1111	prio => -1000000,
736	on_instantiate => sub {	1112	on_instantiate => sub {
737	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
738		1114
739	$data = from_json $data;	1115	$data = decode_json $data;
740		1116
741	for (@$data) {	1117	for (@$data) {
742	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
743		1119
744	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1136	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
762		1138
763	sync_job {	1139	sync_job {
764	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
767		1144
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1146	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1148	aio_fsync $fh if $cf::USE_FSYNC;
772	close $fh;	1149	aio_close $fh;
773		1150
774	if (@$objs) {	1151	if (@$objs) {
775	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) {
776	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
780	close $fh;	1157	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
782	}	1159	}
783	} else {	1160	} else {
784	aio_unlink "$filename.pst";	1161	aio_unlink "$filename.pst";
785	}	1162	}
…		…
790	}	1167	}
791	} else {	1168	} else {
792	aio_unlink $filename;	1169	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
794	}	1171	}
795	}	1172	};
796	}	1173	}
797		1174
798	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
800		1177
…		…
812	or return;	1189	or return;
813		1190
814	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
816	or return;	1193	or return;
		1194
817	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
818	}	1197	}
819		1198
		1199	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1201	$decname, length $data, scalar @{$av || []};
		1202
822	return ($data, $av);	1203	($data, $av)
823	}	1204	}
		1205
		1206	=head2 COMMAND CALLBACKS
		1207
		1208	=over 4
		1209
		1210	=cut
824		1211
825	#############################################################################	1212	#############################################################################
826	# command handling &c	1213	# command handling &c
827		1214
828	=item cf::register_command $name => \&callback($ob,$args);	1215	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1228	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1229	}
843		1230
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1231	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1232
846	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.
847		1238
848	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
849	called.	1240	called.
850		1241
		1242	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1243
		1244	Register a callback for execution when the client sends an (asynchronous)
		1245	exticmd packet. Exti commands are processed by the server as soon as they
		1246	are received, i.e. out of order w.r.t. other commands. The first argument
		1247	is a client socket. Exti commands can be received anytime, even before
		1248	log-in.
		1249
		1250	If the callback returns something, it is sent back as if reply was being
		1251	called.
		1252
851	=cut	1253	=cut
852		1254
853	sub register_extcmd {	1255	sub register_extcmd {
854	my ($name, $cb) = @_;	1256	my ($name, $cb) = @_;
855		1257
856	$EXTCMD{$name} = $cb;	1258	$EXTCMD{$name} = $cb;
		1259	}
		1260
		1261	sub register_exticmd {
		1262	my ($name, $cb) = @_;
		1263
		1264	$EXTICMD{$name} = $cb;
857	}	1265	}
858		1266
859	cf::player->attach (	1267	cf::player->attach (
860	on_command => sub {	1268	on_command => sub {
861	my ($pl, $name, $params) = @_;	1269	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1278	cf::override;
871	},	1279	},
872	on_extcmd => sub {	1280	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
874		1282
875	my $msg = eval { from_json $buf };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1284
877	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
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
883	} else {	1300	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1302	}
886		1303
887	cf::override;	1304	cf::override;
888	},	1305	},
889	);	1306	);
890		1307
891	sub load_extension {
892	my ($path) = @_;
893
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
895	my $base = $1;
896	my $pkg = $1;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}
919	die $@;
920	}
921
922	push @EXTS, $pkg;
923	}
924
925	sub load_extensions {	1308	sub load_extensions {
		1309	cf::sync_job {
		1310	my %todo;
		1311
926	for my $ext (<$LIBDIR/*.ext>) {	1312	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1313	next unless -r $path;
928	eval {	1314
929	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	$progress = 1;
930	1	1371	}
931	} or warn "$ext not loaded: $@";	1372
		1373	skip:
		1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1375	unless $progress;
		1376	}
932	}	1377	};
933	}	1378	}
934		1379
935	#############################################################################	1380	#############################################################################
936		1381
		1382	=back
		1383
937	=head2 CORE EXTENSIONS	1384	=head2 CORE EXTENSIONS
938		1385
939	Functions and methods that extend core crossfire objects.	1386	Functions and methods that extend core crossfire objects.
940		1387
941	=cut	1388	=cut
…		…
946		1393
947	=head3 cf::player	1394	=head3 cf::player
948		1395
949	=over 4	1396	=over 4
950		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
951	=item cf::player::find $login	1412	=item cf::player::find $login
952		1413
953	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
954		1415
955	=cut	1416	=cut
956		1417
957	sub playerdir($) {	1418	sub playerdir($) {
958	cf::localdir	1419	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1420	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1421	}
964		1422
965	sub path($) {	1423	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1424	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
993	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1451	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
994	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1452	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
995	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1453	aio_unlink +(playerdir $login) . "/$login.pl.pst";
996	aio_unlink +(playerdir $login) . "/$login.pl";	1454	aio_unlink +(playerdir $login) . "/$login.pl";
997		1455
998	my $pl = load_pl path $login	1456	my $f = new_from_file cf::object::thawer path $login
999	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;
1000	$cf::PLAYER{$login} = $pl	1464	$cf::PLAYER{$login} = $pl
1001	}	1465	}
1002	}	1466	}
1003	}	1467	}
1004		1468
…		…
1013	return if $pl->{deny_save};	1477	return if $pl->{deny_save};
1014		1478
1015	aio_mkdir playerdir $pl, 0770;	1479	aio_mkdir playerdir $pl, 0770;
1016	$pl->{last_save} = $cf::RUNTIME;	1480	$pl->{last_save} = $cf::RUNTIME;
1017		1481
		1482	cf::get_slot 0.01;
		1483
1018	$pl->save_pl ($path);	1484	$pl->save_pl ($path);
1019	Coro::cede;	1485	cf::cede_to_tick;
1020	}	1486	}
1021		1487
1022	sub new($) {	1488	sub new($) {
1023	my ($login) = @_;	1489	my ($login) = @_;
1024		1490
…		…
1028	$self->{deny_save} = 1;	1494	$self->{deny_save} = 1;
1029		1495
1030	$cf::PLAYER{$login} = $self;	1496	$cf::PLAYER{$login} = $self;
1031		1497
1032	$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 (@_);
1033	}	1509	}
1034		1510
1035	=item $pl->quit_character	1511	=item $pl->quit_character
1036		1512
1037	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
…		…
1086	while and may block, so not sync_job-capable, ever.	1562	while and may block, so not sync_job-capable, ever.
1087		1563
1088	=cut	1564	=cut
1089		1565
1090	sub list_logins {	1566	sub list_logins {
1091	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1567	my $dirs = aio_readdir $PLAYERDIR
1092	or return [];	1568	or return [];
1093		1569
1094	my @logins;	1570	my @logins;
1095		1571
1096	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") {
1097	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1578	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1098	aio_read $fh, 0, 512, my $buf, 0 or next;	1579	aio_read $fh, 0, 512, my $buf, 0 or next;
1099	$buf !~ /^password -------------$/m or next; # official not-valid tag	1580	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1581	}
1100		1582
1101	utf8::decode $login;	1583	utf8::decode $login;
1102	push @logins, $login;	1584	push @logins, $login;
1103	}	1585	}
1104		1586
…		…
1131	}	1613	}
1132		1614
1133	\@paths	1615	\@paths
1134	}	1616	}
1135		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
1136	=item $player->ext_reply ($msgid, %msg)	1711	=item $player->ext_reply ($msgid, @msg)
1137		1712
1138	Sends an ext reply to the player.	1713	Sends an ext reply to the player.
1139		1714
1140	=cut	1715	=cut
1141		1716
1142	sub ext_reply($$%) {	1717	sub ext_reply($$@) {
1143	my ($self, $id, %msg) = @_;	1718	my ($self, $id, @msg) = @_;
1144		1719
1145	$msg{msgid} = $id;	1720	$self->ns->ext_reply ($id, @msg)
1146
1147	$self->send ("ext " . cf::to_json \%msg);
1148	}	1721	}
1149		1722
1150	=item $player->ext_event ($type, %msg)	1723	=item $player->ext_msg ($type, @msg)
1151		1724
1152	Sends an ext event to the client.	1725	Sends an ext event to the client.
1153		1726
1154	=cut	1727	=cut
1155		1728
1156	sub ext_event($$%) {	1729	sub ext_msg($$@) {
1157	my ($self, $type, %msg) = @_;	1730	my ($self, $type, @msg) = @_;
1158		1731
1159	$self->ns->ext_event ($type, %msg);	1732	$self->ns->ext_msg ($type, @msg);
1160	}	1733	}
1161		1734
1162	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	}
1163		1763
1164	=back	1764	=back
1165
1166		1765
1167	=head3 cf::map	1766	=head3 cf::map
1168		1767
1169	=over 4	1768	=over 4
1170		1769
…		…
1182	our $MAX_RESET = 3600;	1781	our $MAX_RESET = 3600;
1183	our $DEFAULT_RESET = 3000;	1782	our $DEFAULT_RESET = 3000;
1184		1783
1185	sub generate_random_map {	1784	sub generate_random_map {
1186	my ($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
1187	# mit "rum" bekleckern, nicht	1789	# mit "rum" bekleckern, nicht
1188	$self->_create_random_map (	1790	$self->_create_random_map (
1189	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1791	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1190	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1792	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1191	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1793	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1225	my ($self, $merge) = @_;	1827	my ($self, $merge) = @_;
1226		1828
1227	# we have to keep some variables in memory intact	1829	# we have to keep some variables in memory intact
1228	local $self->{path};	1830	local $self->{path};
1229	local $self->{load_path};	1831	local $self->{load_path};
1230	local $self->{deny_save};
1231	local $self->{deny_reset};
1232		1832
1233	$self->SUPER::thawer_merge ($merge);	1833	$self->SUPER::thawer_merge ($merge);
1234	}	1834	}
1235		1835
1236	sub normalise {	1836	sub normalise {
…		…
1283	$self->init; # pass $1 etc.	1883	$self->init; # pass $1 etc.
1284	return $self;	1884	return $self;
1285	}	1885	}
1286	}	1886	}
1287		1887
1288	Carp::carp "unable to resolve path '$path' (base '$base').";	1888	Carp::cluck "unable to resolve path '$path' (base '$base').";
1289	()	1889	()
1290	}	1890	}
1291		1891
1292	sub init {	1892	sub init {
1293	my ($self) = @_;	1893	my ($self) = @_;
…		…
1308		1908
1309	# the original (read-only) location	1909	# the original (read-only) location
1310	sub load_path {	1910	sub load_path {
1311	my ($self) = @_;	1911	my ($self) = @_;
1312		1912
1313	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1913	"$MAPDIR/$self->{path}.map"
1314	}	1914	}
1315		1915
1316	# the temporary/swap location	1916	# the temporary/swap location
1317	sub save_path {	1917	sub save_path {
1318	my ($self) = @_;	1918	my ($self) = @_;
1319		1919
1320	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1920	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1321	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1921	"$TMPDIR/$path.map"
1322	}	1922	}
1323		1923
1324	# the unique path, undef == no special unique path	1924	# the unique path, undef == no special unique path
1325	sub uniq_path {	1925	sub uniq_path {
1326	my ($self) = @_;	1926	my ($self) = @_;
1327		1927
1328	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1329	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1929	"$UNIQUEDIR/$path"
1330	}	1930	}
1331		1931
1332	# and all this just because we cannot iterate over	1932	# and all this just because we cannot iterate over
1333	# all maps in C++...	1933	# all maps in C++...
1334	sub change_all_map_light {	1934	sub change_all_map_light {
…		…
1336		1936
1337	$_->change_map_light ($change)	1937	$_->change_map_light ($change)
1338	for grep $_->outdoor, values %cf::MAP;	1938	for grep $_->outdoor, values %cf::MAP;
1339	}	1939	}
1340		1940
		1941	sub decay_objects {
		1942	my ($self) = @_;
		1943
		1944	return if $self->{deny_reset};
		1945
		1946	$self->do_decay_objects;
		1947	}
		1948
1341	sub unlink_save {	1949	sub unlink_save {
1342	my ($self) = @_;	1950	my ($self) = @_;
1343		1951
1344	utf8::encode (my $save = $self->save_path);	1952	utf8::encode (my $save = $self->save_path);
1345	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1953	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1348		1956
1349	sub load_header_from($) {	1957	sub load_header_from($) {
1350	my ($self, $path) = @_;	1958	my ($self, $path) = @_;
1351		1959
1352	utf8::encode $path;	1960	utf8::encode $path;
1353	#aio_open $path, O_RDONLY, 0	1961	my $f = new_from_file cf::object::thawer $path
1354	# or return;
1355
1356	$self->_load_header ($path)
1357	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;
1358		1969
1359	$self->{load_path} = $path;	1970	$self->{load_path} = $path;
1360		1971
1361	1	1972	1
1362	}	1973	}
…		…
1401	$self->load_header_orig	2012	$self->load_header_orig
1402	or return;	2013	or return;
1403	$self->prepare_orig;	2014	$self->prepare_orig;
1404	}	2015	}
1405		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 $self->default_region;
		2022
1406	1	2023	1
1407	}	2024	}
1408		2025
1409	sub find;	2026	sub find;
1410	sub find {	2027	sub find {
1411	my ($path, $origin) = @_;	2028	my ($path, $origin) = @_;
1412		2029
1413	$path = normalise $path, $origin && $origin->path;	2030	$path = normalise $path, $origin && $origin->path;
1414		2031
		2032	cf::lock_wait "map_data:$path";#d#remove
1415	cf::lock_wait "map_find:$path";	2033	cf::lock_wait "map_find:$path";
1416		2034
1417	$cf::MAP{$path} || do {	2035	$cf::MAP{$path} || do {
		2036	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1418	my $guard = cf::lock_acquire "map_find:$path";	2037	my $guard2 = cf::lock_acquire "map_find:$path";
		2038
1419	my $map = new_from_path cf::map $path	2039	my $map = new_from_path cf::map $path
1420	or return;	2040	or return;
1421		2041
1422	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1423		2043
1424	$map->load_header	2044	$map->load_header
1425	or return;	2045	or return;
1426		2046
1427	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1428	# doing this can freeze the server in a sync job, obviously	2048	# doing this can freeze the server in a sync job, obviously
1429	#$cf::WAIT_FOR_TICK->wait;	2049	#$cf::WAIT_FOR_TICK->wait;
		2050	undef $guard2;
		2051	undef $guard1;
1430	$map->reset;	2052	$map->reset;
1431	undef $guard;
1432	return find $path;	2053	return find $path;
1433	}	2054	}
1434		2055
1435	$cf::MAP{$path} = $map	2056	$cf::MAP{$path} = $map
1436	}	2057	}
…		…
1443	my ($self) = @_;	2064	my ($self) = @_;
1444		2065
1445	local $self->{deny_reset} = 1; # loading can take a long time	2066	local $self->{deny_reset} = 1; # loading can take a long time
1446		2067
1447	my $path = $self->{path};	2068	my $path = $self->{path};
		2069
		2070	{
1448	my $guard = cf::lock_acquire "map_load:$path";	2071	my $guard = cf::lock_acquire "map_data:$path";
1449		2072
		2073	return unless $self->valid;
1450	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1451		2075
1452	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1453		2077
1454	$self->alloc;	2078	$self->alloc;
1455		2079
1456	$self->pre_load;	2080	$self->pre_load;
		2081	cf::cede_to_tick;
1457		2082
1458	$self->_load_objects ($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)
1459	or return;	2086	or return;
1460		2087
1461	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1462	if delete $self->{load_original};	2089	if delete $self->{load_original};
1463		2090
1464	if (my $uniq = $self->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1465	utf8::encode $uniq;	2092	utf8::encode $uniq;
1466	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1467	$self->clear_unique_items;	2095	$self->clear_unique_items;
1468	$self->_load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1469	}	2099	}
1470	}	2100	}
1471		2101
1472	Coro::cede;	2102	$f->resolve_delayed_derefs;
1473		2103
		2104	cf::cede_to_tick;
1474	# now do the right thing for maps	2105	# now do the right thing for maps
1475	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1476
1477	unless ($self->{deny_activate}) {
1478	$self->decay_objects;
1479	$self->fix_auto_apply;
1480	$self->update_buttons;
1481	Coro::cede;
1482	$self->set_darkness_map;
1483	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
1484	unless $self->difficulty;	2108	unless $self->difficulty;
1485	Coro::cede;	2109	cf::cede_to_tick;
		2110
		2111	unless ($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;
1486	$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);
1487	}	2125	}
1488		2126
1489	$self->post_load;	2127	$self->post_load;
1490
1491	$self->in_memory (cf::MAP_IN_MEMORY);
1492	}	2128	}
1493		2129
1494	sub customise_for {	2130	sub customise_for {
1495	my ($self, $ob) = @_;	2131	my ($self, $ob) = @_;
1496		2132
1497	return find "~" . $ob->name . "/" . $self->{path}	2133	return find "~" . $ob->name . "/" . $self->{path}
1498	if $self->per_player;	2134	if $self->per_player;
1499		2135
		2136	# return find "?party/" . $ob->name . "/" . $self->{path}
		2137	# if $self->per_party;
		2138
1500	$self	2139	$self
1501	}	2140	}
1502		2141
1503	# find and load all maps in the 3x3 area around a map	2142	# find and load all maps in the 3x3 area around a map
1504	sub load_diag {	2143	sub load_neighbours {
1505	my ($map) = @_;	2144	my ($map) = @_;
1506		2145
1507	my @diag; # diagonal neighbours	2146	my @neigh; # diagonal neighbours
1508		2147
1509	for (0 .. 3) {	2148	for (0 .. 3) {
1510	my $neigh = $map->tile_path ($_)	2149	my $neigh = $map->tile_path ($_)
1511	or next;	2150	or next;
1512	$neigh = find $neigh, $map	2151	$neigh = find $neigh, $map
1513	or next;	2152	or next;
1514	$neigh->load;	2153	$neigh->load;
1515		2154
		2155	push @neigh,
1516	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2156	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1517	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2157	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1518	}	2158	}
1519		2159
1520	for (@diag) {	2160	for (grep defined $_->[0], @neigh) {
		2161	my ($path, $origin) = @$_;
1521	my $neigh = find @$_	2162	my $neigh = find $path, $origin
1522	or next;	2163	or next;
1523	$neigh->load;	2164	$neigh->load;
1524	}	2165	}
1525	}	2166	}
1526		2167
…		…
1531	}	2172	}
1532		2173
1533	sub do_load_sync {	2174	sub do_load_sync {
1534	my ($map) = @_;	2175	my ($map) = @_;
1535		2176
		2177	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2178	if $Coro::current == $Coro::main;
		2179
1536	cf::sync_job { $map->load };	2180	cf::sync_job { $map->load };
1537	}	2181	}
1538		2182
1539	our %MAP_PREFETCH;	2183	our %MAP_PREFETCH;
1540	our $MAP_PREFETCHER = undef;	2184	our $MAP_PREFETCHER = undef;
1541		2185
1542	sub find_async {	2186	sub find_async {
1543	my ($path, $origin) = @_;	2187	my ($path, $origin, $load) = @_;
1544		2188
1545	$path = normalise $path, $origin && $origin->{path};	2189	$path = normalise $path, $origin && $origin->{path};
1546		2190
1547	if (my $map = $cf::MAP{$path}) {	2191	if (my $map = $cf::MAP{$path}) {
1548	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2192	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1549	}	2193	}
1550		2194
1551	undef $MAP_PREFETCH{$path};	2195	$MAP_PREFETCH{$path} |= $load;
		2196
1552	$MAP_PREFETCHER ||= cf::async {	2197	$MAP_PREFETCHER ||= cf::async {
		2198	$Coro::current->{desc} = "map prefetcher";
		2199
1553	while (%MAP_PREFETCH) {	2200	while (%MAP_PREFETCH) {
1554	for my $path (keys %MAP_PREFETCH) {	2201	while (my ($k, $v) = each %MAP_PREFETCH) {
1555	my $map = find $path	2202	if (my $map = find $k) {
1556	or next;
1557	$map->load;	2203	$map->load if $v;
		2204	}
1558		2205
1559	delete $MAP_PREFETCH{$path};	2206	delete $MAP_PREFETCH{$k};
1560	}	2207	}
1561	}	2208	}
1562	undef $MAP_PREFETCHER;	2209	undef $MAP_PREFETCHER;
1563	};	2210	};
1564	$MAP_PREFETCHER->prio (6);	2211	$MAP_PREFETCHER->prio (6);
…		…
1567	}	2214	}
1568		2215
1569	sub save {	2216	sub save {
1570	my ($self) = @_;	2217	my ($self) = @_;
1571		2218
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2219	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2220
1574	$self->{last_save} = $cf::RUNTIME;	2221	$self->{last_save} = $cf::RUNTIME;
1575		2222
1576	return unless $self->dirty;	2223	return unless $self->dirty;
1577		2224
…		…
1583	return if $self->{deny_save};	2230	return if $self->{deny_save};
1584		2231
1585	local $self->{last_access} = $self->last_access;#d#	2232	local $self->{last_access} = $self->last_access;#d#
1586		2233
1587	cf::async {	2234	cf::async {
		2235	$Coro::current->{desc} = "map player save";
1588	$_->contr->save for $self->players;	2236	$_->contr->save for $self->players;
1589	};	2237	};
		2238
		2239	cf::get_slot 0.02;
1590		2240
1591	if ($uniq) {	2241	if ($uniq) {
1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2242	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1593	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2243	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1594	} else {	2244	} else {
…		…
1600	my ($self) = @_;	2250	my ($self) = @_;
1601		2251
1602	# save first because save cedes	2252	# save first because save cedes
1603	$self->save;	2253	$self->save;
1604		2254
1605	my $lock = cf::lock_acquire "map_data:" . $self->path;	2255	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2256
1607	return if $self->players;	2257	return if $self->players;
1608	return if $self->in_memory != cf::MAP_IN_MEMORY;	2258	return if $self->in_memory != cf::MAP_ACTIVE;
1609	return if $self->{deny_save};	2259	return if $self->{deny_save};
1610		2260
		2261	$self->in_memory (cf::MAP_SWAPPED);
		2262
		2263	$self->deactivate;
		2264	$_->clear_links_to ($self) for values %cf::MAP;
1611	$self->clear;	2265	$self->clear;
1612	$self->in_memory (cf::MAP_SWAPPED);
1613	}	2266	}
1614		2267
1615	sub reset_at {	2268	sub reset_at {
1616	my ($self) = @_;	2269	my ($self) = @_;
1617		2270
1618	# TODO: safety, remove and allow resettable per-player maps	2271	# TODO: safety, remove and allow resettable per-player maps
1619	return 1e99 if $self->isa ("ext::map_per_player");#d#
1620	return 1e99 if $self->{deny_reset};	2272	return 1e99 if $self->{deny_reset};
1621		2273
1622	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2274	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1623	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2275	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1624		2276
…		…
1635	my ($self) = @_;	2287	my ($self) = @_;
1636		2288
1637	my $lock = cf::lock_acquire "map_data:$self->{path}";	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
1638		2290
1639	return if $self->players;	2291	return if $self->players;
1640	return if $self->isa ("ext::map_per_player");#d#
1641		2292
1642	warn "resetting map ", $self->path;#d#	2293	warn "resetting map ", $self->path;
1643		2294
1644	$self->in_memory (cf::MAP_SWAPPED);	2295	$self->in_memory (cf::MAP_SWAPPED);
1645		2296
1646	# need to save uniques path	2297	# need to save uniques path
1647	unless ($self->{deny_save}) {	2298	unless ($self->{deny_save}) {
…		…
1651	if $uniq;	2302	if $uniq;
1652	}	2303	}
1653		2304
1654	delete $cf::MAP{$self->path};	2305	delete $cf::MAP{$self->path};
1655		2306
		2307	$self->deactivate;
		2308	$_->clear_links_to ($self) for values %cf::MAP;
1656	$self->clear;	2309	$self->clear;
1657
1658	$_->clear_links_to ($self) for values %cf::MAP;
1659		2310
1660	$self->unlink_save;	2311	$self->unlink_save;
1661	$self->destroy;	2312	$self->destroy;
1662	}	2313	}
1663		2314
1664	my $nuke_counter = "aaaa";	2315	my $nuke_counter = "aaaa";
1665		2316
1666	sub nuke {	2317	sub nuke {
1667	my ($self) = @_;	2318	my ($self) = @_;
1668		2319
		2320	{
		2321	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2322
1669	delete $cf::MAP{$self->path};	2323	delete $cf::MAP{$self->path};
1670		2324
1671	$self->unlink_save;	2325	$self->unlink_save;
1672		2326
1673	bless $self, "cf::map";	2327	bless $self, "cf::map";
1674	delete $self->{deny_reset};	2328	delete $self->{deny_reset};
1675	$self->{deny_save} = 1;	2329	$self->{deny_save} = 1;
1676	$self->reset_timeout (1);	2330	$self->reset_timeout (1);
1677	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2331	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1678		2332
1679	$cf::MAP{$self->path} = $self;	2333	$cf::MAP{$self->path} = $self;
		2334	}
1680		2335
1681	$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	]
1682	}	2373	}
1683		2374
1684	=item cf::map::unique_maps	2375	=item cf::map::unique_maps
1685		2376
1686	Returns an arrayref of paths of all shared maps that have	2377	Returns an arrayref of paths of all shared maps that have
1687	instantiated unique items. May block.	2378	instantiated unique items. May block.
1688		2379
1689	=cut	2380	=cut
1690		2381
1691	sub unique_maps() {	2382	sub unique_maps() {
1692	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2383	[
1693	or return;	2384	map {
1694
1695	my @paths;
1696
1697	for (@$files) {
1698	utf8::decode $_;	2385	utf8::decode $_;
1699	next if /\.pst$/;	2386	s/\.map$//; # TODO future compatibility hack
1700	next unless /^$PATH_SEP/o;	2387	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1701		2388	? ()
1702	push @paths, cf::map::normalise $_;	2389	: normalise $_
		2390	} @{ aio_readdir $UNIQUEDIR or [] }
1703	}	2391	]
1704
1705	\@paths
1706	}	2392	}
1707
1708	package cf;
1709		2393
1710	=back	2394	=back
1711		2395
1712	=head3 cf::object	2396	=head3 cf::object
1713		2397
…		…
1717		2401
1718	=over 4	2402	=over 4
1719		2403
1720	=item $ob->inv_recursive	2404	=item $ob->inv_recursive
1721		2405
1722	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.
1723		2408
1724	=cut	2409	=cut
1725		2410
1726	sub inv_recursive_;	2411	sub inv_recursive_;
1727	sub inv_recursive_ {	2412	sub inv_recursive_ {
…		…
1730		2415
1731	sub inv_recursive {	2416	sub inv_recursive {
1732	inv_recursive_ inv $_[0]	2417	inv_recursive_ inv $_[0]
1733	}	2418	}
1734		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
1735	package cf;	2448	package cf;
1736		2449
1737	=back	2450	=back
1738		2451
1739	=head3 cf::object::player	2452	=head3 cf::object::player
…		…
1745	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>
1746	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
1747	dialogue with the given NPC character.	2460	dialogue with the given NPC character.
1748		2461
1749	=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	};
1750		2477
1751	# rough implementation of a future "reply" method that works	2478	# rough implementation of a future "reply" method that works
1752	# with dialog boxes.	2479	# with dialog boxes.
1753	#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
1754	sub cf::object::player::reply($$$;$) {	2481	sub cf::object::player::reply($$$;$) {
…		…
1756		2483
1757	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2484	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1758		2485
1759	if ($self->{record_replies}) {	2486	if ($self->{record_replies}) {
1760	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2487	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2488
1761	} 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 {
1762	$msg = $npc->name . " says: $msg" if $npc;	2497	$msg = $npc->name . " says: $msg" if $npc;
1763	$self->message ($msg, $flags);	2498	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2499	}
1764	}	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 (@_);
1765	}	2511	}
1766		2512
1767	=item $player_object->may ("access")	2513	=item $player_object->may ("access")
1768		2514
1769	Returns wether the given player is authorized to access resource "access"	2515	Returns wether the given player is authorized to access resource "access"
…		…
1816	$self->deactivate_recursive;	2562	$self->deactivate_recursive;
1817		2563
1818	return if UNIVERSAL::isa $self->map, "ext::map_link";	2564	return if UNIVERSAL::isa $self->map, "ext::map_link";
1819		2565
1820	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2566	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1821	if $self->map;	2567	if $self->map && $self->map->{path} ne "{link}";
1822		2568
1823	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2569	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1824	}	2570	}
1825		2571
1826	sub cf::object::player::leave_link {	2572	sub cf::object::player::leave_link {
1827	my ($self, $map, $x, $y) = @_;	2573	my ($self, $map, $x, $y) = @_;
		2574
		2575	return unless $self->contr->active;
1828		2576
1829	my $link_pos = delete $self->{_link_pos};	2577	my $link_pos = delete $self->{_link_pos};
1830		2578
1831	unless ($map) {	2579	unless ($map) {
1832	# restore original map position	2580	# restore original map position
…		…
1846	# use -1 or undef as default coordinates, not 0, 0	2594	# use -1 or undef as default coordinates, not 0, 0
1847	($x, $y) = ($map->enter_x, $map->enter_y)	2595	($x, $y) = ($map->enter_x, $map->enter_y)
1848	if $x <=0 && $y <= 0;	2596	if $x <=0 && $y <= 0;
1849		2597
1850	$map->load;	2598	$map->load;
1851	$map->load_diag;	2599	$map->load_neighbours;
1852		2600
1853	return unless $self->contr->active;	2601	return unless $self->contr->active;
1854	$self->activate_recursive;	2602	$self->activate_recursive;
1855		2603
1856	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2604	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1857	$self->enter_map ($map, $x, $y);	2605	$self->enter_map ($map, $x, $y);
1858	}	2606	}
1859		2607
1860	cf::player->attach (	2608	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1861	on_logout => sub {
1862	my ($pl) = @_;
1863		2609
1864	# abort map switching before logout	2610	Moves the player to the given map-path and coordinates by first freezing
1865	if ($pl->ob->{_link_pos}) {	2611	her, loading and preparing them map, calling the provided $check callback
1866	cf::sync_job {	2612	that has to return the map if sucecssful, and then unfreezes the player on
1867	$pl->ob->leave_link	2613	the new (success) or old (failed) map position. In either case, $done will
1868	};	2614	be called at the end of this process.
1869	}
1870	},
1871	on_login => sub {
1872	my ($pl) = @_;
1873		2615
1874	# try to abort aborted map switching on player login :)
1875	# should happen only on crashes
1876	if ($pl->ob->{_link_pos}) {
1877	$pl->ob->enter_link;
1878	(async {
1879	$pl->ob->reply (undef,
1880	"There was an internal problem at your last logout, "
1881	. "the server will try to bring you to your intended destination in a second.",
1882	cf::NDI_RED);
1883	# we need this sleep as the login has a concurrent enter_exit running
1884	# and this sleep increases chances of the player not ending up in scorn
1885	Coro::Timer::sleep 1;
1886	$pl->ob->leave_link;
1887	})->prio (2);
1888	}
1889	},
1890	);
1891
1892	=item $player_object->goto ($path, $x, $y)
1893
1894	=cut	2616	=cut
		2617
		2618	our $GOTOGEN;
1895		2619
1896	sub cf::object::player::goto {	2620	sub cf::object::player::goto {
1897	my ($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;
1898		2625
1899	$self->enter_link;	2626	$self->enter_link;
1900		2627
1901	(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
1902	my $map = eval {	2650	my $map = eval {
1903	my $map = cf::map::find $path;	2651	my $map = defined $path ? cf::map::find $path : undef;
		2652
		2653	if ($map) {
1904	$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
1905	$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 $@;
1906	} or	2666	}
1907	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1908		2667
		2668	if ($gen == $self->{_goto_generation}) {
		2669	delete $self->{_goto_generation};
1909	$self->leave_link ($map, $x, $y);	2670	$self->leave_link ($map, $x, $y);
		2671	}
		2672
		2673	$done->() if $done;
1910	})->prio (1);	2674	})->prio (1);
1911	}	2675	}
1912		2676
1913	=item $player_object->enter_exit ($exit_object)	2677	=item $player_object->enter_exit ($exit_object)
1914		2678
…		…
1934	}	2698	}
1935		2699
1936	sub prepare_random_map {	2700	sub prepare_random_map {
1937	my ($exit) = @_;	2701	my ($exit) = @_;
1938		2702
1939	my $guard = cf::lock_acquire "exit_prepare:$exit";
1940
1941	# all this does is basically replace the /! path by	2703	# all this does is basically replace the /! path by
1942	# a new random map path (?random/...) with a seed	2704	# a new random map path (?random/...) with a seed
1943	# that depends on the exit object	2705	# that depends on the exit object
1944		2706
1945	my $rmp = parse_random_map_params $exit->msg;	2707	my $rmp = parse_random_map_params $exit->msg;
…		…
1947	if ($exit->map) {	2709	if ($exit->map) {
1948	$rmp->{region} = $exit->region->name;	2710	$rmp->{region} = $exit->region->name;
1949	$rmp->{origin_map} = $exit->map->path;	2711	$rmp->{origin_map} = $exit->map->path;
1950	$rmp->{origin_x} = $exit->x;	2712	$rmp->{origin_x} = $exit->x;
1951	$rmp->{origin_y} = $exit->y;	2713	$rmp->{origin_y} = $exit->y;
		2714
		2715	$exit->map->touch;
1952	}	2716	}
1953		2717
1954	$rmp->{random_seed} ||= $exit->random_seed;	2718	$rmp->{random_seed} ||= $exit->random_seed;
1955		2719
1956	my $data = cf::to_json $rmp;	2720	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1957	my $md5 = Digest::MD5::md5_hex $data;	2721	my $md5 = Digest::MD5::md5_hex $data;
1958	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2722	my $meta = "$RANDOMDIR/$md5.meta";
1959		2723
1960	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2724	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1961	aio_write $fh, 0, (length $data), $data, 0;	2725	aio_write $fh, 0, (length $data), $data, 0;
1962	undef $fh;	2726	undef $fh;
1963	aio_rename "$meta~", $meta;	2727	aio_rename "$meta~", $meta;
1964		2728
		2729	my $slaying = "?random/$md5";
		2730
		2731	if ($exit->valid) {
1965	$exit->slaying ("?random/$md5");	2732	$exit->slaying ("?random/$md5");
1966	$exit->msg (undef);	2733	$exit->msg (undef);
		2734	}
1967	}	2735	}
1968	}	2736	}
1969		2737
1970	sub cf::object::player::enter_exit {	2738	sub cf::object::player::enter_exit {
1971	my ($self, $exit) = @_;	2739	my ($self, $exit) = @_;
1972		2740
1973	return unless $self->type == cf::PLAYER;	2741	return unless $self->type == cf::PLAYER;
1974		2742
1975	if ($exit->slaying eq "/!") {
1976	#TODO: this should de-fi-ni-te-ly not be a sync-job
1977	# the problem is that $exit might not survive long enough
1978	# so it needs to be done right now, right here
1979	cf::sync_job { prepare_random_map $exit };
1980	}
1981
1982	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1983	my $hp = $exit->stats->hp;
1984	my $sp = $exit->stats->sp;
1985
1986	$self->enter_link;	2743	$self->enter_link;
1987		2744
1988	(async {	2745	(async {
1989	$self->deactivate_recursive; # just to be sure	2746	$Coro::current->{desc} = "enter_exit";
		2747
1990	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
1991	$self->goto ($slaying, $hp, $sp);	2763	$self->goto ($map, $x, $y);
1992		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
1993	1;	2769	1
1994	}) {	2770	}) {
1995	$self->message ("Something went wrong deep within the crossfire server. "	2771	$self->message ("Something went wrong deep within the crossfire server. "
1996	. "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. "
1997	. "Please report this to the dungeon master!",	2773	. "Please report this to the dungeon master!",
1998	cf::NDI_UNIQUE | cf::NDI_RED);	2774	cf::NDI_UNIQUE | cf::NDI_RED);
…		…
2019		2795
2020	utf8::encode $text;	2796	utf8::encode $text;
2021	$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);
2022	}	2798	}
2023		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
2024	=item $client->ext_event ($type, %msg)	2930	=item $client->ext_msg ($type, @msg)
2025		2931
2026	Sends an exti event to the client.	2932	Sends an ext event to the client.
2027		2933
2028	=cut	2934	=cut
2029		2935
2030	sub cf::client::ext_event($$%) {	2936	sub cf::client::ext_msg($$@) {
2031	my ($self, $type, %msg) = @_;	2937	my ($self, $type, @msg) = @_;
2032		2938
		2939	if ($self->extcmd == 2) {
		2940	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2941	} elsif ($self->extcmd == 1) { # TODO: remove
2033	$msg{msgtype} = "event_$type";	2942	push @msg, msgtype => "event_$type";
2034	$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	}
2035	}	2963	}
2036		2964
2037	=item $success = $client->query ($flags, "text", \&cb)	2965	=item $success = $client->query ($flags, "text", \&cb)
2038		2966
2039	Queues a query to the client, calling the given callback with	2967	Queues a query to the client, calling the given callback with
2040	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>,
2041	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>.
2042		2970
2043	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
2044	reliable at some point in the future.	2972	become reliable at some point in the future.
2045		2973
2046	=cut	2974	=cut
2047		2975
2048	sub cf::client::query {	2976	sub cf::client::query {
2049	my ($self, $flags, $text, $cb) = @_;	2977	my ($self, $flags, $text, $cb) = @_;
…		…
2057	utf8::encode $text;	2985	utf8::encode $text;
2058	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2986	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2059		2987
2060	$self->send_packet ($self->{query_queue}[0][0])	2988	$self->send_packet ($self->{query_queue}[0][0])
2061	if @{ $self->{query_queue} } == 1;	2989	if @{ $self->{query_queue} } == 1;
		2990
		2991	1
2062	}	2992	}
2063		2993
2064	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	},
2065	on_reply => sub {	3000	on_reply => sub {
2066	my ($ns, $msg) = @_;	3001	my ($ns, $msg) = @_;
2067		3002
2068	# this weird shuffling is so that direct followup queries	3003	# this weird shuffling is so that direct followup queries
2069	# get handled first	3004	# get handled first
…		…
2081	} else {	3016	} else {
2082	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3017	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2083	}	3018	}
2084	}	3019	}
2085	},	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	},
2086	);	3047	);
2087		3048
2088	=item $client->async (\&cb)	3049	=item $client->async (\&cb)
2089		3050
2090	Create a new coroutine, running the specified callback. The coroutine will	3051	Create a new coroutine, running the specified callback. The coroutine will
…		…
2131	our $safe = new Safe "safe";	3092	our $safe = new Safe "safe";
2132	our $safe_hole = new Safe::Hole;	3093	our $safe_hole = new Safe::Hole;
2133		3094
2134	$SIG{FPE} = 'IGNORE';	3095	$SIG{FPE} = 'IGNORE';
2135		3096
2136	$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	));
2137		3102
2138	# here we export the classes and methods available to script code	3103	# here we export the classes and methods available to script code
2139		3104
2140	=pod	3105	=pod
2141		3106
2142	The following functions and methods are available within a safe environment:	3107	The following functions and methods are available within a safe environment:
2143		3108
2144	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
2145	cf::object::player player	3113	cf::object::player
2146	cf::player peaceful	3114	player
2147	cf::map trigger	3115
		3116	cf::player
		3117	peaceful
		3118
		3119	cf::map
		3120	trigger
2148		3121
2149	=cut	3122	=cut
2150		3123
2151	for (	3124	for (
2152	["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)],
2153	["cf::object::player" => qw(player)],	3128	["cf::object::player" => qw(player)],
2154	["cf::player" => qw(peaceful)],	3129	["cf::player" => qw(peaceful)],
2155	["cf::map" => qw(trigger)],	3130	["cf::map" => qw(trigger)],
2156	) {	3131	) {
2157	no strict 'refs';	3132	no strict 'refs';
…		…
2228	=back	3203	=back
2229		3204
2230	=cut	3205	=cut
2231		3206
2232	#############################################################################	3207	#############################################################################
2233
2234	=head2 EXTENSION DATABASE SUPPORT
2235
2236	Crossfire maintains a very simple database for extension use. It can
2237	currently store anything that can be serialised using Storable, which
2238	excludes objects.
2239
2240	The parameter C<$family> should best start with the name of the extension
2241	using it, it should be unique.
2242
2243	=over 4
2244
2245	=item $value = cf::db_get $family => $key
2246
2247	Returns a single value from the database.
2248
2249	=item cf::db_put $family => $key => $value
2250
2251	Stores the given C<$value> in the family.
2252
2253	=cut
2254
2255	our $DB;
2256
2257	sub db_init {
2258	unless ($DB) {
2259	$DB = BDB::db_create $DB_ENV;
2260
2261	cf::sync_job {
2262	eval {
2263	$DB->set_flags (BDB::CHKSUM);
2264
2265	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2266	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2267	cf::cleanup "db_open(db): $!" if $!;
2268	};
2269	cf::cleanup "db_open(db): $@" if $@;
2270	};
2271
2272	my $path = cf::localdir . "/database.pst";
2273	if (stat $path) {
2274	cf::sync_job {
2275	my $pst = Storable::retrieve $path;
2276
2277	cf::db_put (board => data => $pst->{board});
2278	cf::db_put (guildrules => data => $pst->{guildrules});
2279	cf::db_put (rent => balance => $pst->{rent}{balance});
2280	BDB::db_env_txn_checkpoint $DB_ENV;
2281
2282	unlink $path;
2283	};
2284	}
2285	}
2286	}
2287
2288	sub db_get($$) {
2289	my $key = "$_[0]/$_[1]";
2290
2291	cf::sync_job {
2292	BDB::db_get $DB, undef, $key, my $data;
2293
2294	$! ? ()
2295	: Compress::LZF::sthaw $data
2296	}
2297	}
2298
2299	sub db_put($$$) {
2300	BDB::dbreq_pri 4;
2301	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2302	}
2303
2304	#############################################################################
2305	# the server's init and main functions	3208	# the server's init and main functions
2306		3209
2307	sub load_facedata {	3210	sub load_facedata($) {
2308	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;
2309		3218
2310	warn "loading facedata from $path\n";	3219	warn "loading facedata from $path\n";
2311		3220
2312	my $faces;	3221	my $facedata;
2313	0 < aio_load $path, $faces	3222	0 < aio_load $path, $facedata
2314	or die "$path: $!";	3223	or die "$path: $!";
2315		3224
2316	Coro::cede;
2317	$faces = Storable::thaw $faces;	3225	$facedata = Coro::Storable::thaw $facedata;
2318	Coro::cede;
2319		3226
2320	my $meta = delete $faces->{""};
2321	$meta->{version} == 1	3227	$facedata->{version} == 2
2322	or cf::cleanup "$path: version mismatch, cannot proceed.";	3228	or cf::cleanup "$path: version mismatch, cannot proceed.";
2323		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
		3237	{
		3238	my $faces = $facedata->{faceinfo};
		3239
2324	while (my ($face, $info) = each %$faces) {	3240	while (my ($face, $info) = each %$faces) {
2325	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3241	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2326	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3242
		3243	cf::face::set_visibility $idx, $info->{visibility};
		3244	cf::face::set_magicmap $idx, $info->{magicmap};
2327	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3245	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2328	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3246	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2329	Coro::cede;
2330	}
2331		3247
		3248	cf::cede_to_tick;
		3249	}
		3250
2332	while (my ($face, $info) = each %$faces) {	3251	while (my ($face, $info) = each %$faces) {
2333	next unless $info->{smooth};	3252	next unless $info->{smooth};
		3253
2334	my $idx = cf::face::find $face	3254	my $idx = cf::face::find $face
2335	or next;	3255	or next;
		3256
2336	if (my $smooth = cf::face::find $info->{smooth}) {	3257	if (my $smooth = cf::face::find $info->{smooth}) {
		3258	cf::face::set_smooth $idx, $smooth;
2337	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3259	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2338	} else {	3260	} else {
2339	warn "smooth face '$info->{smooth}' not found for face '$face'";	3261	warn "smooth face '$info->{smooth}' not found for face '$face'";
2340	}	3262	}
2341	Coro::cede;	3263
		3264	cf::cede_to_tick;
		3265	}
		3266	}
		3267
2342	}	3268	{
		3269	my $anims = $facedata->{animinfo};
		3270
		3271	while (my ($anim, $info) = each %$anims) {
		3272	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3273	cf::cede_to_tick;
		3274	}
		3275
		3276	cf::anim::invalidate_all; # d'oh
		3277	}
		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);
2343		3313
2344	1	3314	1
2345	}	3315	}
2346		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
2347	sub reload_resources {	3384	sub reload_resources {
2348	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3385	warn "reloading resource files...\n";
2349	or die "unable to load regions file\n";#d#	3386
2350	load_facedata	3387	reload_facedata;
2351	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";
2352	}	3393	}
2353		3394
2354	sub init {	3395	sub init {
		3396	my $guard = freeze_mainloop;
		3397
2355	reload_resources;	3398	reload_resources;
2356	}	3399	}
2357		3400
2358	sub cfg_load {	3401	sub reload_config {
2359	open my $fh, "<:utf8", cf::confdir . "/config"	3402	open my $fh, "<:utf8", "$CONFDIR/config"
2360	or return;	3403	or return;
2361		3404
2362	local $/;	3405	local $/;
2363	*CFG = YAML::Syck::Load <$fh>;	3406	*CFG = YAML::Load <$fh>;
2364		3407
2365	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3408	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2366		3409
2367	$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};
2368	$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};
…		…
2379	sub main {	3422	sub main {
2380	# we must not ever block the main coroutine	3423	# we must not ever block the main coroutine
2381	local $Coro::idle = sub {	3424	local $Coro::idle = sub {
2382	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#
2383	(async {	3426	(async {
2384	Event::one_event;	3427	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3428	EV::loop EV::LOOP_ONESHOT;
2385	})->prio (Coro::PRIO_MAX);	3429	})->prio (Coro::PRIO_MAX);
2386	};	3430	};
2387		3431
2388	cfg_load;	3432	{
		3433	my $guard = freeze_mainloop;
		3434	reload_config;
2389	db_init;	3435	db_init;
2390	load_extensions;	3436	load_extensions;
2391		3437
2392	$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
2393	Event::loop;	3442	EV::loop;
2394	}	3443	}
2395		3444
2396	#############################################################################	3445	#############################################################################
2397	# initialisation and cleanup	3446	# initialisation and cleanup
2398		3447
2399	# install some emergency cleanup handlers	3448	# install some emergency cleanup handlers
2400	BEGIN {	3449	BEGIN {
		3450	our %SIGWATCHER = ();
2401	for my $signal (qw(INT HUP TERM)) {	3451	for my $signal (qw(INT HUP TERM)) {
2402	Event->signal (	3452	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2403	reentrant => 0,
2404	data => WF_AUTOCANCEL,
2405	signal => $signal,
2406	prio => 0,
2407	cb => sub {
2408	cf::cleanup "SIG$signal";	3453	cf::cleanup "SIG$signal";
2409	},
2410	);	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
2411	}	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 };
2412	}	3537	}
2413		3538
2414	sub emergency_save() {	3539	sub emergency_save() {
2415	my $freeze_guard = cf::freeze_mainloop;	3540	my $freeze_guard = cf::freeze_mainloop;
2416		3541
…		…
2422	# and maps saved/destroyed asynchronously.	3547	# and maps saved/destroyed asynchronously.
2423	warn "begin emergency player save\n";	3548	warn "begin emergency player save\n";
2424	for my $login (keys %cf::PLAYER) {	3549	for my $login (keys %cf::PLAYER) {
2425	my $pl = $cf::PLAYER{$login} or next;	3550	my $pl = $cf::PLAYER{$login} or next;
2426	$pl->valid or next;	3551	$pl->valid or next;
		3552	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2427	$pl->save;	3553	$pl->save;
2428	}	3554	}
2429	warn "end emergency player save\n";	3555	warn "end emergency player save\n";
2430		3556
2431	warn "begin emergency map save\n";	3557	warn "begin emergency map save\n";
…		…
2437	warn "end emergency map save\n";	3563	warn "end emergency map save\n";
2438		3564
2439	warn "begin emergency database checkpoint\n";	3565	warn "begin emergency database checkpoint\n";
2440	BDB::db_env_txn_checkpoint $DB_ENV;	3566	BDB::db_env_txn_checkpoint $DB_ENV;
2441	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";
2442	};	3572	};
2443		3573
2444	warn "leave emergency perl save\n";	3574	warn "leave emergency perl save\n";
2445	}	3575	}
2446		3576
…		…
2449		3579
2450	warn Carp::longmess "post_cleanup backtrace"	3580	warn Carp::longmess "post_cleanup backtrace"
2451	if $make_core;	3581	if $make_core;
2452	}	3582	}
2453		3583
2454	sub reload() {	3584	sub do_reload_perl() {
2455	# can/must only be called in main	3585	# can/must only be called in main
2456	if ($Coro::current != $Coro::main) {	3586	if ($Coro::current != $Coro::main) {
2457	warn "can only reload from main coroutine";	3587	warn "can only reload from main coroutine";
2458	return;	3588	return;
2459	}	3589	}
…		…
2461	warn "reloading...";	3591	warn "reloading...";
2462		3592
2463	warn "entering sync_job";	3593	warn "entering sync_job";
2464		3594
2465	cf::sync_job {	3595	cf::sync_job {
2466	cf::write_runtime; # external watchdog should not bark	3596	cf::write_runtime_sync; # external watchdog should not bark
2467	cf::emergency_save;	3597	cf::emergency_save;
2468	cf::write_runtime; # external watchdog should not bark	3598	cf::write_runtime_sync; # external watchdog should not bark
2469		3599
2470	warn "syncing database to disk";	3600	warn "syncing database to disk";
2471	BDB::db_env_txn_checkpoint $DB_ENV;	3601	BDB::db_env_txn_checkpoint $DB_ENV;
2472		3602
2473	# 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
2474
2475	warn "cancelling all WF_AUTOCANCEL watchers";
2476	for (Event::all_watchers) {
2477	$_->cancel if $_->data & WF_AUTOCANCEL;
2478	}
2479		3604
2480	warn "flushing outstanding aio requests";	3605	warn "flushing outstanding aio requests";
2481	for (;;) {	3606	for (;;) {
2482	BDB::flush;	3607	BDB::flush;
2483	IO::AIO::flush;	3608	IO::AIO::flush;
2484	Coro::cede;	3609	Coro::cede_notself;
2485	last unless IO::AIO::nreqs || BDB::nreqs;	3610	last unless IO::AIO::nreqs || BDB::nreqs;
2486	warn "iterate...";	3611	warn "iterate...";
2487	}	3612	}
2488		3613
2489	++$RELOAD;	3614	++$RELOAD;
…		…
2493	%EXT_CORO = ();	3618	%EXT_CORO = ();
2494		3619
2495	warn "removing commands";	3620	warn "removing commands";
2496	%COMMAND = ();	3621	%COMMAND = ();
2497		3622
2498	warn "removing ext commands";	3623	warn "removing ext/exti commands";
2499	%EXTCMD = ();	3624	%EXTCMD = ();
		3625	%EXTICMD = ();
2500		3626
2501	warn "unloading/nuking all extensions";	3627	warn "unloading/nuking all extensions";
2502	for my $pkg (@EXTS) {	3628	for my $pkg (@EXTS) {
2503	warn "... unloading $pkg";	3629	warn "... unloading $pkg";
2504		3630
…		…
2534	Symbol::delete_package "safe::$_"	3660	Symbol::delete_package "safe::$_"
2535	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);
2536		3662
2537	warn "unloading cf.pm \"a bit\"";	3663	warn "unloading cf.pm \"a bit\"";
2538	delete $INC{"cf.pm"};	3664	delete $INC{"cf.pm"};
		3665	delete $INC{"cf/pod.pm"};
2539		3666
2540	# don't, removes xs symbols, too,	3667	# don't, removes xs symbols, too,
2541	# and global variables created in xs	3668	# and global variables created in xs
2542	#Symbol::delete_package __PACKAGE__;	3669	#Symbol::delete_package __PACKAGE__;
2543		3670
…		…
2546	warn "reloading cf.pm";	3673	warn "reloading cf.pm";
2547	require cf;	3674	require cf;
2548	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3675	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2549		3676
2550	warn "loading config and database again";	3677	warn "loading config and database again";
2551	cf::cfg_load;	3678	cf::reload_config;
2552		3679
2553	warn "loading extensions";	3680	warn "loading extensions";
2554	cf::load_extensions;	3681	cf::load_extensions;
2555		3682
2556	warn "reattaching attachments to objects/players";	3683	warn "reattaching attachments to objects/players";
…		…
2558	warn "reattaching attachments to maps";	3685	warn "reattaching attachments to maps";
2559	reattach $_ for values %MAP;	3686	reattach $_ for values %MAP;
2560	warn "reattaching attachments to players";	3687	warn "reattaching attachments to players";
2561	reattach $_ for values %PLAYER;	3688	reattach $_ for values %PLAYER;
2562		3689
2563	warn "loading reloadable resources";
2564	reload_resources;
2565
2566	warn "leaving sync_job";	3690	warn "leaving sync_job";
2567		3691
2568	1	3692	1
2569	} or do {	3693	} or do {
2570	warn $@;	3694	warn $@;
2571	warn "error while reloading, exiting.";	3695	cf::cleanup "error while reloading, exiting.";
2572	exit 1;
2573	};	3696	};
2574		3697
2575	warn "reloaded";	3698	warn "reloaded";
2576	};	3699	};
2577		3700
2578	our $RELOAD_WATCHER; # used only during reload	3701	our $RELOAD_WATCHER; # used only during reload
2579		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 $RELOAD_WATCHER;
		3710	};
		3711	}
		3712
2580	register_command "reload" => sub {	3713	register_command "reload" => sub {
2581	my ($who, $arg) = @_;	3714	my ($who, $arg) = @_;
2582		3715
2583	if ($who->flag (FLAG_WIZ)) {	3716	if ($who->flag (FLAG_WIZ)) {
2584	$who->message ("reloading server.");	3717	$who->message ("reloading server.");
2585		3718	async {
2586	# doing reload synchronously and two reloads happen back-to-back,	3719	$Coro::current->{desc} = "perl_reload";
2587	# coro crashes during coro_state_free->destroy here.
2588
2589	$RELOAD_WATCHER ||= Event->timer (
2590	reentrant => 0,
2591	after => 0,
2592	data => WF_AUTOCANCEL,
2593	cb => sub {
2594	reload;	3720	reload_perl;
2595	undef $RELOAD_WATCHER;
2596	},
2597	);	3721	};
2598	}	3722	}
2599	};	3723	};
2600		3724
2601	unshift @INC, $LIBDIR;	3725	unshift @INC, $LIBDIR;
2602		3726
2603	my $bug_warning = 0;	3727	my $bug_warning = 0;
2604		3728
2605	$TICK_WATCHER = Event->timer (	3729	our @WAIT_FOR_TICK;
2606	reentrant => 0,	3730	our @WAIT_FOR_TICK_BEGIN;
2607	parked => 1,	3731
2608	prio => 0,	3732	sub wait_for_tick {
2609	at => $NEXT_TICK || $TICK,	3733	return if tick_inhibit || $Coro::current == $Coro::main;
2610	data => WF_AUTOCANCEL,	3734
2611	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	$signal->wait;
		3746	}
		3747
		3748	sub tick {
2612	if ($Coro::current != $Coro::main) {	3749	if ($Coro::current != $Coro::main) {
2613	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3750	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2614	unless ++$bug_warning > 10;	3751	unless ++$bug_warning > 10;
2615	return;	3752	return;
2616	}	3753	}
2617		3754
2618	$NOW = Event::time;
2619
2620	cf::server_tick; # one server iteration	3755	cf::server_tick; # one server iteration
2621	$RUNTIME += $TICK;
2622	$NEXT_TICK += $TICK;
2623		3756
2624	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3757	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2625	$NEXT_RUNTIME_WRITE = $NOW + 10;	3758	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2626	Coro::async_pool {	3759	Coro::async_pool {
		3760	$Coro::current->{desc} = "runtime saver";
2627	write_runtime	3761	write_runtime_sync
2628	or warn "ERROR: unable to write runtime file: $!";	3762	or warn "ERROR: unable to write runtime file: $!";
2629	};
2630	}	3763	};
2631
2632	$WAIT_FOR_TICK->broadcast;
2633	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2634
2635	# my $AFTER = Event::time;
2636	# warn $AFTER - $NOW;#d#
2637
2638	# if we are delayed by four ticks or more, skip them all
2639	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2640
2641	$TICK_WATCHER->at ($NEXT_TICK);
2642	$TICK_WATCHER->start;
2643	},	3764	}
2644	);	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	}
2645		3784
2646	{	3785	{
2647	BDB::max_poll_time $TICK * 0.1;	3786	# configure BDB
2648	$BDB_POLL_WATCHER = Event->io (	3787
2649	reentrant => 0,
2650	fd => BDB::poll_fileno,
2651	poll => 'r',
2652	prio => 0,
2653	data => WF_AUTOCANCEL,
2654	cb => \&BDB::poll_cb,
2655	);
2656	BDB::min_parallel 8;	3788	BDB::min_parallel 8;
2657		3789	BDB::max_poll_reqs $TICK * 0.1;
2658	BDB::set_sync_prepare {	3790	$Coro::BDB::WATCHER->priority (1);
2659	my $status;
2660	my $current = $Coro::current;
2661	(
2662	sub {
2663	$status = $!;
2664	$current->ready; undef $current;
2665	},
2666	sub {
2667	Coro::schedule while defined $current;
2668	$! = $status;
2669	},
2670	)
2671	};
2672		3791
2673	unless ($DB_ENV) {	3792	unless ($DB_ENV) {
2674	$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);
2675		3798
2676	cf::sync_job {	3799	cf::sync_job {
2677	eval {	3800	eval {
2678	BDB::db_env_open	3801	BDB::db_env_open
2679	$DB_ENV,	3802	$DB_ENV,
2680	$BDB_ENV_DIR,	3803	$BDBDIR,
2681	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3804	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2682	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3805	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2683	0666;	3806	0666;
2684		3807
2685	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3808	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2686
2687	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2688	$DB_ENV->set_lk_detect;
2689	};	3809	};
2690		3810
2691	cf::cleanup "db_env_open(db): $@" if $@;	3811	cf::cleanup "db_env_open(db): $@" if $@;
2692	};	3812	};
2693	}	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	};
2694	}	3824	}
2695		3825
2696	{	3826	{
		3827	# configure IO::AIO
		3828
2697	IO::AIO::min_parallel 8;	3829	IO::AIO::min_parallel 8;
2698
2699	undef $Coro::AIO::WATCHER;
2700	IO::AIO::max_poll_time $TICK * 0.1;	3830	IO::AIO::max_poll_time $TICK * 0.1;
2701	$AIO_POLL_WATCHER = Event->io (	3831	$Coro::AIO::WATCHER->priority (1);
2702	reentrant => 0,
2703	data => WF_AUTOCANCEL,
2704	fd => IO::AIO::poll_fileno,
2705	poll => 'r',
2706	prio => 6,
2707	cb => \&IO::AIO::poll_cb,
2708	);
2709	}	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;
2710		3876
2711	END { cf::emergency_save }	3877	END { cf::emergency_save }
2712		3878
2713	1	3879	1
2714		3880

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