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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.264 by root, Sun May 6 05:44:48 2007 UTC vs.
Revision 1.440 by root, Mon Aug 11 23:23:41 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 Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
14		35
15	use Coro 3.61 ();	36	use Coro ();
16	use Coro::State;	37	use Coro::State;
17	use Coro::Handle;	38	use Coro::Handle;
18	use Coro::Event;	39	use Coro::AnyEvent;
19	use Coro::Timer;	40	use Coro::Timer;
20	use Coro::Signal;	41	use Coro::Signal;
21	use Coro::Semaphore;	42	use Coro::Semaphore;
		43	use Coro::AnyEvent;
22	use Coro::AIO;	44	use Coro::AIO;
		45	use Coro::BDB 1.6;
23	use Coro::Storable;	46	use Coro::Storable;
		47	use Coro::Util ();
24		48
		49	use JSON::XS 2.01 ();
25	use BDB ();	50	use BDB ();
26	use Data::Dumper;	51	use Data::Dumper;
27	use Digest::MD5;	52	use Digest::MD5;
28	use Fcntl;	53	use Fcntl;
29	use YAML::Syck ();	54	use YAML ();
30	use IO::AIO 2.32 ();	55	use IO::AIO ();
31	use Time::HiRes;	56	use Time::HiRes;
32	use Compress::LZF;	57	use Compress::LZF;
		58	use Digest::MD5 ();
		59
		60	AnyEvent::detect;
33		61
34	# configure various modules to our taste	62	# configure various modules to our taste
35	#	63	#
36	$Storable::canonical = 1; # reduce rsync transfers	64	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	65	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	66	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		67
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	68	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		69
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	70	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		71
49	our %COMMAND = ();	72	our %COMMAND = ();
50	our %COMMAND_TIME = ();	73	our %COMMAND_TIME = ();
51		74
52	our @EXTS = (); # list of extension package names	75	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	76	our %EXTCMD = ();
		77	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	78	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	79	our %EXT_MAP = (); # pluggable maps
56		80
57	our $RELOAD; # number of reloads so far	81	our $RELOAD; # number of reloads so far
58	our @EVENT;	82	our @EVENT;
…		…
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	90	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	91	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	92	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	93	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	94	our $BDBDIR = "$LOCALDIR/db";
		95	our %RESOURCE;
71		96
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	97	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	98	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	99	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	100	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		101
		102	our $BDB_DEADLOCK_WATCHER;
		103	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	104	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	105	our $DB_ENV;
82		106
83	our %CFG;	107	our %CFG;
84		108
85	our $UPTIME; $UPTIME ||= time;	109	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	110	our $RUNTIME;
		111	our $NOW;
87		112
88	our %PLAYER; # all users	113	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	114	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	115	our $LINK_MAP; # the special {link} map, which is always available
91		116
92	# used to convert map paths into valid unix filenames by replacing / by ∕	117	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	118	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		119
		120	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		121	our $LOADAVG; # same thing, but with alpha-smoothing
		122	our $JITTER; # average jitter
		123	our $TICK_START; # for load detecting purposes
94		124
95	binmode STDOUT;	125	binmode STDOUT;
96	binmode STDERR;	126	binmode STDERR;
97		127
98	# read virtual server time, if available	128	# read virtual server time, if available
…		…
139		169
140	=item $cf::TICK	170	=item $cf::TICK
141		171
142	The interval between server ticks, in seconds.	172	The interval between server ticks, in seconds.
143		173
		174	=item $cf::LOADAVG
		175
		176	The current CPU load on the server (alpha-smoothed), as a value between 0
		177	(none) and 1 (overloaded), indicating how much time is spent on processing
		178	objects per tick. Healthy values are < 0.5.
		179
		180	=item $cf::LOAD
		181
		182	The raw value load value from the last tick.
		183
144	=item %cf::CFG	184	=item %cf::CFG
145		185
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	186	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	187	from wherever your confdir points to.
148		188
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	189	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		190
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	191	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152	returns directly I<after> the tick processing (and consequently, can only wake one process	192	returns directly I<after> the tick processing (and consequently, can only wake one process
153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	193	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		194
		195	=item @cf::INVOKE_RESULTS
		196
		197	This array contains the results of the last C<invoke ()> call. When
		198	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		199	that call.
		200
155	=back	201	=back
156		202
157	=cut	203	=cut
158		204
159	BEGIN {	205	BEGIN {
…		…
163	$msg .= "\n"	209	$msg .= "\n"
164	unless $msg =~ /\n$/;	210	unless $msg =~ /\n$/;
165		211
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	212	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		213
168	utf8::encode $msg;
169	LOG llevError, $msg;	214	LOG llevError, $msg;
170	};	215	};
171	}	216	}
		217
		218	$Coro::State::DIEHOOK = sub {
		219	return unless $^S eq 0; # "eq", not "=="
		220
		221	if ($Coro::current == $Coro::main) {#d#
		222	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		223	return;#d#
		224	}#d#
		225
		226	# kill coroutine otherwise
		227	warn Carp::longmess $_[0];
		228	Coro::terminate
		229	};
		230
		231	$SIG{__DIE__} = sub { }; #d#?
172		232
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	233	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	234	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	235	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	236	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	237	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		238	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	239	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		240
180	# we bless all objects into (empty) derived classes to force a method lookup	241	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	242	# within the Safe compartment.
182	for my $pkg (qw(	243	for my $pkg (qw(
183	cf::global cf::attachable	244	cf::global cf::attachable
184	cf::object cf::object::player	245	cf::object cf::object::player
185	cf::client cf::player	246	cf::client cf::player
186	cf::arch cf::living	247	cf::arch cf::living
		248	cf::map cf::mapspace
187	cf::map cf::party cf::region	249	cf::party cf::region
188	)) {	250	)) {
189	no strict 'refs';	251	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	252	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	253	}
192		254
193	$Event::DIED = sub {	255	$EV::DIED = sub {
194	warn "error in event callback: @_";	256	warn "error in event callback: @_";
195	};	257	};
		258
		259	#############################################################################
196		260
197	=head2 UTILITY FUNCTIONS	261	=head2 UTILITY FUNCTIONS
198		262
199	=over 4	263	=over 4
200		264
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	283	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	284	$d
221	} || "[unable to dump $_[0]: '$@']";	285	} || "[unable to dump $_[0]: '$@']";
222	}	286	}
223		287
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	288	=item $ref = cf::decode_json $json
227		289
228	Converts a JSON string into the corresponding perl data structure.	290	Converts a JSON string into the corresponding perl data structure.
229		291
230	=item $json = cf::to_json $ref	292	=item $json = cf::encode_json $ref
231		293
232	Converts a perl data structure into its JSON representation.	294	Converts a perl data structure into its JSON representation.
		295
		296	=cut
		297
		298	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		299
		300	sub encode_json($) { $json_coder->encode ($_[0]) }
		301	sub decode_json($) { $json_coder->decode ($_[0]) }
233		302
234	=item cf::lock_wait $string	303	=item cf::lock_wait $string
235		304
236	Wait until the given lock is available. See cf::lock_acquire.	305	Wait until the given lock is available. See cf::lock_acquire.
237		306
…		…
240	Wait until the given lock is available and then acquires it and returns	309	Wait until the given lock is available and then acquires it and returns
241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	310	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
242	for example when the coroutine gets canceled), the lock is automatically	311	for example when the coroutine gets canceled), the lock is automatically
243	returned.	312	returned.
244		313
		314	Locks are *not* recursive, locking from the same coro twice results in a
		315	deadlocked coro.
		316
245	Lock names should begin with a unique identifier (for example, cf::map::find	317	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	318	uses map_find and cf::map::load uses map_load).
247		319
248	=item $locked = cf::lock_active $string	320	=item $locked = cf::lock_active $string
249		321
250	Return true if the lock is currently active, i.e. somebody has locked it.	322	Return true if the lock is currently active, i.e. somebody has locked it.
251		323
252	=cut	324	=cut
253		325
254	our %LOCK;	326	our %LOCK;
		327	our %LOCKER;#d#
255		328
256	sub lock_wait($) {	329	sub lock_wait($) {
257	my ($key) = @_;	330	my ($key) = @_;
		331
		332	if ($LOCKER{$key} == $Coro::current) {#d#
		333	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		334	return;#d#
		335	}#d#
258		336
259	# wait for lock, if any	337	# wait for lock, if any
260	while ($LOCK{$key}) {	338	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;	339	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;	340	Coro::schedule;
…		…
268		346
269	# wait, to be sure we are not locked	347	# wait, to be sure we are not locked
270	lock_wait $key;	348	lock_wait $key;
271		349
272	$LOCK{$key} = [];	350	$LOCK{$key} = [];
		351	$LOCKER{$key} = $Coro::current;#d#
273		352
274	Coro::guard {	353	Coro::guard {
		354	delete $LOCKER{$key};#d#
275	# wake up all waiters, to be on the safe side	355	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };	356	$_->ready for @{ delete $LOCK{$key} };
277	}	357	}
278	}	358	}
279		359
…		…
282		362
283	! ! $LOCK{$key}	363	! ! $LOCK{$key}
284	}	364	}
285		365
286	sub freeze_mainloop {	366	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	367	tick_inhibit_inc;
288		368
289	my $guard = Coro::guard {	369	Coro::guard \&tick_inhibit_dec;
290	$TICK_WATCHER->start;	370	}
		371
		372	=item cf::periodic $interval, $cb
		373
		374	Like EV::periodic, but randomly selects a starting point so that the actions
		375	get spread over timer.
		376
		377	=cut
		378
		379	sub periodic($$) {
		380	my ($interval, $cb) = @_;
		381
		382	my $start = rand List::Util::min 180, $interval;
		383
		384	EV::periodic $start, $interval, 0, $cb
		385	}
		386
		387	=item cf::get_slot $time[, $priority[, $name]]
		388
		389	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		390	This call blocks and returns only when you have at least C<$time> seconds
		391	of cpu time till the next tick. The slot is only valid till the next cede.
		392
		393	The optional C<$name> can be used to identify the job to run. It might be
		394	used for statistical purposes and should identify the same time-class.
		395
		396	Useful for short background jobs.
		397
		398	=cut
		399
		400	our @SLOT_QUEUE;
		401	our $SLOT_QUEUE;
		402
		403	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		404	$SLOT_QUEUE = Coro::async {
		405	$Coro::current->desc ("timeslot manager");
		406
		407	my $signal = new Coro::Signal;
		408
		409	while () {
		410	next_job:
		411	my $avail = cf::till_tick;
		412	if ($avail > 0.01) {
		413	for (0 .. $#SLOT_QUEUE) {
		414	if ($SLOT_QUEUE[$_][0] < $avail) {
		415	my $job = splice @SLOT_QUEUE, $_, 1, ();
		416	$job->[2]->send;
		417	Coro::cede;
		418	goto next_job;
		419	}
		420	}
		421	}
		422
		423	if (@SLOT_QUEUE) {
		424	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		425	push @cf::WAIT_FOR_TICK, $signal;
		426	$signal->wait;
		427	} else {
		428	Coro::schedule;
		429	}
291	};	430	}
292	$TICK_WATCHER->stop;	431	};
293	$guard	432
		433	sub get_slot($;$$) {
		434	return if tick_inhibit || $Coro::current == $Coro::main;
		435
		436	my ($time, $pri, $name) = @_;
		437
		438	$time = $TICK * .6 if $time > $TICK * .6;
		439	my $sig = new Coro::Signal;
		440
		441	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		442	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		443	$SLOT_QUEUE->ready;
		444	$sig->wait;
294	}	445	}
295		446
296	=item cf::async { BLOCK }	447	=item cf::async { BLOCK }
297		448
298	Currently the same as Coro::async_pool, meaning you cannot use	449	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		454
304	BEGIN { *async = \&Coro::async_pool }	455	BEGIN { *async = \&Coro::async_pool }
305		456
306	=item cf::sync_job { BLOCK }	457	=item cf::sync_job { BLOCK }
307		458
308	The design of crossfire+ requires that the main coro ($Coro::main) is	459	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	460	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	461	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		462	acceptable.
311		463
312	If it must be done, put the blocking parts into C<sync_job>. This will run	464	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	465	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	466	server will be frozen during this time, so the block should either finish
315	fast or be very important.	467	fast or be very important.
…		…
318		470
319	sub sync_job(&) {	471	sub sync_job(&) {
320	my ($job) = @_;	472	my ($job) = @_;
321		473
322	if ($Coro::current == $Coro::main) {	474	if ($Coro::current == $Coro::main) {
		475	my $time = EV::time;
		476
323	# this is the main coro, too bad, we have to block	477	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	478	# till the operation succeeds, freezing the server :/
325		479
326	# TODO: use suspend/resume instead	480	LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	481
328	my $freeze_guard = freeze_mainloop;	482	my $freeze_guard = freeze_mainloop;
329		483
330	my $busy = 1;	484	my $busy = 1;
331	my @res;	485	my @res;
332		486
333	(async {	487	(async {
		488	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	489	@res = eval { $job->() };
335	warn $@ if $@;	490	warn $@ if $@;
336	undef $busy;	491	undef $busy;
337	})->prio (Coro::PRIO_MAX);	492	})->prio (Coro::PRIO_MAX);
338		493
339	while ($busy) {	494	while ($busy) {
340	Coro::cede or Event::one_event;	495	if (Coro::nready) {
		496	Coro::cede_notself;
		497	} else {
		498	EV::loop EV::LOOP_ONESHOT;
341	}	499	}
		500	}
		501
		502	my $time = EV::time - $time;
		503
		504	$TICK_START += $time; # do not account sync jobs to server load
342		505
343	wantarray ? @res : $res[0]	506	wantarray ? @res : $res[0]
344	} else {	507	} else {
345	# we are in another coroutine, how wonderful, everything just works	508	# we are in another coroutine, how wonderful, everything just works
346		509
…		…
366	$EXT_CORO{$coro+0} = $coro;	529	$EXT_CORO{$coro+0} = $coro;
367		530
368	$coro	531	$coro
369	}	532	}
370		533
371	sub write_runtime {	534	=item fork_call { }, $args
372	my $runtime = "$LOCALDIR/runtime";
373		535
374	# first touch the runtime file to show we are still running:	536	Executes the given code block with the given arguments in a seperate
375	# the fsync below can take a very very long time.	537	process, returning the results. Everything must be serialisable with
		538	Coro::Storable. May, of course, block. Note that the executed sub may
		539	never block itself or use any form of event handling.
376		540
377	warn "touching runtime...\n";#d#	541	=cut
378	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	542
379	utime undef, undef, $fh;	543	sub fork_call(&@) {
		544	my ($cb, @args) = @_;
		545
		546	# we seemingly have to make a local copy of the whole thing,
		547	# otherwise perl prematurely frees the stuff :/
		548	# TODO: investigate and fix (likely this will be rather laborious)
		549
		550	my @res = Coro::Util::fork_eval {
		551	reset_signals;
		552	&$cb
		553	}, @args;
		554
		555	wantarray ? @res : $res[-1]
		556	}
		557
		558	=item $coin = coin_from_name $name
		559
		560	=cut
		561
		562	our %coin_alias = (
		563	"silver" => "silvercoin",
		564	"silvercoin" => "silvercoin",
		565	"silvercoins" => "silvercoin",
		566	"gold" => "goldcoin",
		567	"goldcoin" => "goldcoin",
		568	"goldcoins" => "goldcoin",
		569	"platinum" => "platinacoin",
		570	"platinumcoin" => "platinacoin",
		571	"platinumcoins" => "platinacoin",
		572	"platina" => "platinacoin",
		573	"platinacoin" => "platinacoin",
		574	"platinacoins" => "platinacoin",
		575	"royalty" => "royalty",
		576	"royalties" => "royalty",
		577	);
		578
		579	sub coin_from_name($) {
		580	$coin_alias{$_[0]}
		581	? cf::arch::find $coin_alias{$_[0]}
		582	: undef
		583	}
		584
		585	=item $value = cf::db_get $family => $key
		586
		587	Returns a single value from the environment database.
		588
		589	=item cf::db_put $family => $key => $value
		590
		591	Stores the given C<$value> in the family. It can currently store binary
		592	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		593
		594	=item $db = cf::db_table "name"
		595
		596	Create and/or open a new database table. The string must not be "db" and must be unique
		597	within each server.
		598
		599	=cut
		600
		601	sub db_table($) {
		602	my ($name) = @_;
		603	my $db = BDB::db_create $DB_ENV;
		604
		605	eval {
		606	$db->set_flags (BDB::CHKSUM);
		607
		608	utf8::encode $name;
		609	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		610	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		611	cf::cleanup "db_open(db): $!" if $!;
380	}	612	};
		613	cf::cleanup "db_open(db): $@" if $@;
381		614
382	my $guard = cf::lock_acquire "write_runtime";	615	$db
		616	}
383		617
384	warn "starting to write runtime...\n";#d#	618	our $DB;
385	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
386	or return;
387		619
388	my $value = $cf::RUNTIME + 90 + 10;	620	sub db_init {
389	# 10 is the runtime save interval, for a monotonic clock	621	cf::sync_job {
390	# 60 allows for the watchdog to kill the server.	622	$DB ||= db_table "db";
		623	};
		624	}
391		625
392	(aio_write $fh, 0, (length $value), $value, 0) <= 0	626	sub db_get($$) {
393	and return;	627	my $key = "$_[0]/$_[1]";
394		628
395	# always fsync - this file is important	629	cf::sync_job {
396	aio_fsync $fh	630	BDB::db_get $DB, undef, $key, my $data;
397	and return;
398		631
399	# touch it again to show we are up-to-date	632	$! ? ()
400	utime undef, undef, $fh;	633	: $data
401
402	close $fh
403	or return;
404
405	aio_rename "$runtime~", $runtime
406	and return;
407
408	warn "... done writing runtime.\n";#d#
409
410	1	634	}
		635	}
		636
		637	sub db_put($$$) {
		638	BDB::dbreq_pri 4;
		639	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		640	}
		641
		642	=item cf::cache $id => [$paths...], $processversion => $process
		643
		644	Generic caching function that returns the value of the resource $id,
		645	caching and regenerating as required.
		646
		647	This function can block.
		648
		649	=cut
		650
		651	sub cache {
		652	my ($id, $src, $processversion, $process) = @_;
		653
		654	my $meta =
		655	join "\x00",
		656	$processversion,
		657	map {
		658	aio_stat $_
		659	and Carp::croak "$_: $!";
		660
		661	($_, (stat _)[7,9])
		662	} @$src;
		663
		664	my $dbmeta = db_get cache => "$id/meta";
		665	if ($dbmeta ne $meta) {
		666	# changed, we may need to process
		667
		668	my @data;
		669	my $md5;
		670
		671	for (0 .. $#$src) {
		672	0 <= aio_load $src->[$_], $data[$_]
		673	or Carp::croak "$src->[$_]: $!";
		674	}
		675
		676	# if processing is expensive, check
		677	# checksum first
		678	if (1) {
		679	$md5 =
		680	join "\x00",
		681	$processversion,
		682	map {
		683	cf::cede_to_tick;
		684	($src->[$_], Digest::MD5::md5_hex $data[$_])
		685	} 0.. $#$src;
		686
		687
		688	my $dbmd5 = db_get cache => "$id/md5";
		689	if ($dbmd5 eq $md5) {
		690	db_put cache => "$id/meta", $meta;
		691
		692	return db_get cache => "$id/data";
		693	}
		694	}
		695
		696	my $t1 = Time::HiRes::time;
		697	my $data = $process->(\@data);
		698	my $t2 = Time::HiRes::time;
		699
		700	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		701
		702	db_put cache => "$id/data", $data;
		703	db_put cache => "$id/md5" , $md5;
		704	db_put cache => "$id/meta", $meta;
		705
		706	return $data;
		707	}
		708
		709	db_get cache => "$id/data"
411	}	710	}
412		711
413	=item cf::datalog type => key => value, ...	712	=item cf::datalog type => key => value, ...
414		713
415	Log a datalog packet of the given type with the given key-value pairs.	714	Log a datalog packet of the given type with the given key-value pairs.
…		…
433	attach callbacks/event handlers (a collection of which is called an "attachment")	732	attach callbacks/event handlers (a collection of which is called an "attachment")
434	to it. All such attachable objects support the following methods.	733	to it. All such attachable objects support the following methods.
435		734
436	In the following description, CLASS can be any of C<global>, C<object>	735	In the following description, CLASS can be any of C<global>, C<object>
437	C<player>, C<client> or C<map> (i.e. the attachable objects in	736	C<player>, C<client> or C<map> (i.e. the attachable objects in
438	crossfire+).	737	Deliantra).
439		738
440	=over 4	739	=over 4
441		740
442	=item $attachable->attach ($attachment, key => $value...)	741	=item $attachable->attach ($attachment, key => $value...)
443		742
…		…
606	$registry = $CB_TYPE[$object_type] ||= [];	905	$registry = $CB_TYPE[$object_type] ||= [];
607		906
608	} elsif ($type eq "subtype") {	907	} elsif ($type eq "subtype") {
609	defined $object_type or Carp::croak "subtype specified without type";	908	defined $object_type or Carp::croak "subtype specified without type";
610	my $object_subtype = shift @arg;	909	my $object_subtype = shift @arg;
611	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	910	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
612		911
613	} elsif ($type eq "package") {	912	} elsif ($type eq "package") {
614	my $pkg = shift @arg;	913	my $pkg = shift @arg;
615		914
616	while (my ($name, $id) = each %cb_id) {	915	while (my ($name, $id) = each %cb_id) {
…		…
645	_attach $registry, $klass, @attach;	944	_attach $registry, $klass, @attach;
646	}	945	}
647		946
648	$obj->{$name} = \%arg;	947	$obj->{$name} = \%arg;
649	} else {	948	} else {
650	warn "object uses attachment '$name' that is not available, postponing.\n";	949	warn "object uses attachment '$name' which is not available, postponing.\n";
651	}	950	}
652		951
653	$obj->{_attachment}{$name} = undef;	952	$obj->{_attachment}{$name} = undef;
654	}	953	}
655		954
…		…
657	if (ref $_[0]) {	956	if (ref $_[0]) {
658	_object_attach @_;	957	_object_attach @_;
659	} else {	958	} else {
660	_attach shift->_attach_registry, @_;	959	_attach shift->_attach_registry, @_;
661	}	960	}
		961	_recalc_want;
662	};	962	};
663		963
664	# all those should be optimised	964	# all those should be optimised
665	sub cf::attachable::detach {	965	sub cf::attachable::detach {
666	my ($obj, $name) = @_;	966	my ($obj, $name) = @_;
…		…
669	delete $obj->{_attachment}{$name};	969	delete $obj->{_attachment}{$name};
670	reattach ($obj);	970	reattach ($obj);
671	} else {	971	} else {
672	Carp::croak "cannot, currently, detach class attachments";	972	Carp::croak "cannot, currently, detach class attachments";
673	}	973	}
		974	_recalc_want;
674	};	975	};
675		976
676	sub cf::attachable::attached {	977	sub cf::attachable::attached {
677	my ($obj, $name) = @_;	978	my ($obj, $name) = @_;
678		979
…		…
693	";	994	";
694	die if $@;	995	die if $@;
695	}	996	}
696		997
697	our $override;	998	our $override;
698	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	999	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
699		1000
700	sub override {	1001	sub override {
701	$override = 1;	1002	$override = 1;
702	@invoke_results = ();	1003	@INVOKE_RESULTS = (@_);
703	}	1004	}
704		1005
705	sub do_invoke {	1006	sub do_invoke {
706	my $event = shift;	1007	my $event = shift;
707	my $callbacks = shift;	1008	my $callbacks = shift;
708		1009
709	@invoke_results = ();	1010	@INVOKE_RESULTS = ();
710		1011
711	local $override;	1012	local $override;
712		1013
713	for (@$callbacks) {	1014	for (@$callbacks) {
714	eval { &{$_->[1]} };	1015	eval { &{$_->[1]} };
…		…
723	}	1024	}
724		1025
725	0	1026	0
726	}	1027	}
727		1028
728	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
729		1030
730	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1031	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
731		1032
732	Generate an object-specific event with the given arguments.	1033	Generate an object-specific event with the given arguments.
733		1034
734	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1035	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
735	removed in future versions), and there is no public API to access override	1036	removed in future versions), and there is no public API to access override
736	results (if you must, access C<@cf::invoke_results> directly).	1037	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
737		1038
738	=back	1039	=back
739		1040
740	=cut	1041	=cut
741		1042
742	#############################################################################	1043	#############################################################################
743	# object support	1044	# object support
		1045
		1046	sub _object_equal($$);
		1047	sub _object_equal($$) {
		1048	my ($a, $b) = @_;
		1049
		1050	return 0 unless (ref $a) eq (ref $b);
		1051
		1052	if ("HASH" eq ref $a) {
		1053	my @ka = keys %$a;
		1054	my @kb = keys %$b;
		1055
		1056	return 0 if @ka != @kb;
		1057
		1058	for (0 .. $#ka) {
		1059	return 0 unless $ka[$_] eq $kb[$_];
		1060	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1061	}
		1062
		1063	} elsif ("ARRAY" eq ref $a) {
		1064
		1065	return 0 if @$a != @$b;
		1066
		1067	for (0 .. $#$a) {
		1068	return 0 unless _object_equal $a->[$_], $b->[$_];
		1069	}
		1070
		1071	} elsif ($a ne $b) {
		1072	return 0;
		1073	}
		1074
		1075	1
		1076	}
		1077
		1078	our $SLOW_MERGES;#d#
		1079	sub _can_merge {
		1080	my ($ob1, $ob2) = @_;
		1081
		1082	++$SLOW_MERGES;#d#
		1083
		1084	# we do the slow way here
		1085	return _object_equal $ob1, $ob2
		1086	}
744		1087
745	sub reattach {	1088	sub reattach {
746	# basically do the same as instantiate, without calling instantiate	1089	# basically do the same as instantiate, without calling instantiate
747	my ($obj) = @_;	1090	my ($obj) = @_;
748		1091
…		…
769	cf::attachable->attach (	1112	cf::attachable->attach (
770	prio => -1000000,	1113	prio => -1000000,
771	on_instantiate => sub {	1114	on_instantiate => sub {
772	my ($obj, $data) = @_;	1115	my ($obj, $data) = @_;
773		1116
774	$data = from_json $data;	1117	$data = decode_json $data;
775		1118
776	for (@$data) {	1119	for (@$data) {
777	my ($name, $args) = @$_;	1120	my ($name, $args) = @$_;
778		1121
779	$obj->attach ($name, %{$args || {} });	1122	$obj->attach ($name, %{$args || {} });
…		…
795	sub object_freezer_save {	1138	sub object_freezer_save {
796	my ($filename, $rdata, $objs) = @_;	1139	my ($filename, $rdata, $objs) = @_;
797		1140
798	sync_job {	1141	sync_job {
799	if (length $$rdata) {	1142	if (length $$rdata) {
		1143	utf8::decode (my $decname = $filename);
800	warn sprintf "saving %s (%d,%d)\n",	1144	warn sprintf "saving %s (%d,%d)\n",
801	$filename, length $$rdata, scalar @$objs;	1145	$decname, length $$rdata, scalar @$objs;
802		1146
803	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1147	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
804	chmod SAVE_MODE, $fh;	1148	aio_chmod $fh, SAVE_MODE;
805	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1149	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
806	aio_fsync $fh if $cf::USE_FSYNC;	1150	aio_fsync $fh if $cf::USE_FSYNC;
807	close $fh;	1151	aio_close $fh;
808		1152
809	if (@$objs) {	1153	if (@$objs) {
810	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1154	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
811	chmod SAVE_MODE, $fh;	1155	aio_chmod $fh, SAVE_MODE;
812	my $data = Storable::nfreeze { version => 1, objs => $objs };	1156	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
813	aio_write $fh, 0, (length $data), $data, 0;	1157	aio_write $fh, 0, (length $data), $data, 0;
814	aio_fsync $fh if $cf::USE_FSYNC;	1158	aio_fsync $fh if $cf::USE_FSYNC;
815	close $fh;	1159	aio_close $fh;
816	aio_rename "$filename.pst~", "$filename.pst";	1160	aio_rename "$filename.pst~", "$filename.pst";
817	}	1161	}
818	} else {	1162	} else {
819	aio_unlink "$filename.pst";	1163	aio_unlink "$filename.pst";
820	}	1164	}
…		…
825	}	1169	}
826	} else {	1170	} else {
827	aio_unlink $filename;	1171	aio_unlink $filename;
828	aio_unlink "$filename.pst";	1172	aio_unlink "$filename.pst";
829	}	1173	}
830	}	1174	};
831	}	1175	}
832		1176
833	sub object_freezer_as_string {	1177	sub object_freezer_as_string {
834	my ($rdata, $objs) = @_;	1178	my ($rdata, $objs) = @_;
835		1179
…		…
847	or return;	1191	or return;
848		1192
849	unless (aio_stat "$filename.pst") {	1193	unless (aio_stat "$filename.pst") {
850	(aio_load "$filename.pst", $av) >= 0	1194	(aio_load "$filename.pst", $av) >= 0
851	or return;	1195	or return;
		1196
852	$av = eval { (Storable::thaw $av)->{objs} };	1197	my $st = eval { Coro::Storable::thaw $av };
		1198	$av = $st->{objs};
853	}	1199	}
854		1200
		1201	utf8::decode (my $decname = $filename);
855	warn sprintf "loading %s (%d)\n",	1202	warn sprintf "loading %s (%d,%d)\n",
856	$filename, length $data, scalar @{$av || []};#d#	1203	$decname, length $data, scalar @{$av || []};
		1204
857	return ($data, $av);	1205	($data, $av)
858	}	1206	}
		1207
		1208	=head2 COMMAND CALLBACKS
		1209
		1210	=over 4
		1211
		1212	=cut
859		1213
860	#############################################################################	1214	#############################################################################
861	# command handling &c	1215	# command handling &c
862		1216
863	=item cf::register_command $name => \&callback($ob,$args);	1217	=item cf::register_command $name => \&callback($ob,$args);
…		…
876	push @{ $COMMAND{$name} }, [$caller, $cb];	1230	push @{ $COMMAND{$name} }, [$caller, $cb];
877	}	1231	}
878		1232
879	=item cf::register_extcmd $name => \&callback($pl,$packet);	1233	=item cf::register_extcmd $name => \&callback($pl,$packet);
880		1234
881	Register a callbackf ro execution when the client sends an extcmd packet.	1235	Register a callback for execution when the client sends an (synchronous)
		1236	extcmd packet. Ext commands will be processed in the order they are
		1237	received by the server, like other user commands. The first argument is
		1238	the logged-in player. Ext commands can only be processed after a player
		1239	has logged in successfully.
882		1240
883	If the callback returns something, it is sent back as if reply was being	1241	If the callback returns something, it is sent back as if reply was being
884	called.	1242	called.
885		1243
		1244	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1245
		1246	Register a callback for execution when the client sends an (asynchronous)
		1247	exticmd packet. Exti commands are processed by the server as soon as they
		1248	are received, i.e. out of order w.r.t. other commands. The first argument
		1249	is a client socket. Exti commands can be received anytime, even before
		1250	log-in.
		1251
		1252	If the callback returns something, it is sent back as if reply was being
		1253	called.
		1254
886	=cut	1255	=cut
887		1256
888	sub register_extcmd {	1257	sub register_extcmd {
889	my ($name, $cb) = @_;	1258	my ($name, $cb) = @_;
890		1259
891	$EXTCMD{$name} = $cb;	1260	$EXTCMD{$name} = $cb;
		1261	}
		1262
		1263	sub register_exticmd {
		1264	my ($name, $cb) = @_;
		1265
		1266	$EXTICMD{$name} = $cb;
892	}	1267	}
893		1268
894	cf::player->attach (	1269	cf::player->attach (
895	on_command => sub {	1270	on_command => sub {
896	my ($pl, $name, $params) = @_;	1271	my ($pl, $name, $params) = @_;
…		…
905	cf::override;	1280	cf::override;
906	},	1281	},
907	on_extcmd => sub {	1282	on_extcmd => sub {
908	my ($pl, $buf) = @_;	1283	my ($pl, $buf) = @_;
909		1284
910	my $msg = eval { from_json $buf };	1285	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
911		1286
912	if (ref $msg) {	1287	if (ref $msg) {
		1288	my ($type, $reply, @payload) =
		1289	"ARRAY" eq ref $msg
		1290	? @$msg
		1291	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1292
		1293	my @reply;
		1294
913	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1295	if (my $cb = $EXTCMD{$type}) {
914	if (my %reply = $cb->($pl, $msg)) {	1296	@reply = $cb->($pl, @payload);
915	$pl->ext_reply ($msg->{msgid}, %reply);
916	}
917	}	1297	}
		1298
		1299	$pl->ext_reply ($reply, @reply)
		1300	if $reply;
		1301
918	} else {	1302	} else {
919	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1303	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
920	}	1304	}
921		1305
922	cf::override;	1306	cf::override;
923	},	1307	},
924	);	1308	);
925		1309
926	sub load_extension {
927	my ($path) = @_;
928
929	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
930	my $base = $1;
931	my $pkg = $1;
932	$pkg =~ s/[^[:word:]]/_/g;
933	$pkg = "ext::$pkg";
934
935	warn "... loading '$path' into '$pkg'\n";
936
937	open my $fh, "<:utf8", $path
938	or die "$path: $!";
939
940	my $source =
941	"package $pkg; use strict; use utf8;\n"
942	. "#line 1 \"$path\"\n{\n"
943	. (do { local $/; <$fh> })
944	. "\n};\n1";
945
946	unless (eval $source) {
947	my $msg = $@ ? "$path: $@\n"
948	: "extension disabled.\n";
949	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
950	warn $@;
951	warn "mandatory extension failed to load, exiting.\n";
952	exit 1;
953	}
954	die $@;
955	}
956
957	push @EXTS, $pkg;
958	}
959
960	sub load_extensions {	1310	sub load_extensions {
		1311	cf::sync_job {
		1312	my %todo;
		1313
961	for my $ext (<$LIBDIR/*.ext>) {	1314	for my $path (<$LIBDIR/*.ext>) {
962	next unless -r $ext;	1315	next unless -r $path;
963	eval {	1316
964	load_extension $ext;	1317	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1318	my $base = $1;
		1319	my $pkg = $1;
		1320	$pkg =~ s/[^[:word:]]/_/g;
		1321	$pkg = "ext::$pkg";
		1322
		1323	open my $fh, "<:utf8", $path
		1324	or die "$path: $!";
		1325
		1326	my $source = do { local $/; <$fh> };
		1327
		1328	my %ext = (
		1329	path => $path,
		1330	base => $base,
		1331	pkg => $pkg,
		1332	);
		1333
		1334	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1335	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1336
		1337	$ext{source} =
		1338	"package $pkg; use strict; use utf8;\n"
		1339	. "#line 1 \"$path\"\n{\n"
		1340	. $source
		1341	. "\n};\n1";
		1342
		1343	$todo{$base} = \%ext;
		1344	}
		1345
		1346	my %done;
		1347	while (%todo) {
		1348	my $progress;
		1349
		1350	while (my ($k, $v) = each %todo) {
		1351	for (split /,\s*/, $v->{meta}{depends}) {
		1352	goto skip
		1353	unless exists $done{$_};
		1354	}
		1355
		1356	warn "... loading '$k' into '$v->{pkg}'\n";
		1357
		1358	unless (eval $v->{source}) {
		1359	my $msg = $@ ? "$v->{path}: $@\n"
		1360	: "$v->{base}: extension inactive.\n";
		1361
		1362	if (exists $v->{meta}{mandatory}) {
		1363	warn $msg;
		1364	cf::cleanup "mandatory extension failed to load, exiting.";
		1365	}
		1366
		1367	warn $msg;
		1368	}
		1369
		1370	$done{$k} = delete $todo{$k};
		1371	push @EXTS, $v->{pkg};
		1372	$progress = 1;
965	1	1373	}
966	} or warn "$ext not loaded: $@";	1374
		1375	skip:
		1376	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1377	unless $progress;
		1378	}
967	}	1379	};
968	}	1380	}
969		1381
970	#############################################################################	1382	#############################################################################
971		1383
		1384	=back
		1385
972	=head2 CORE EXTENSIONS	1386	=head2 CORE EXTENSIONS
973		1387
974	Functions and methods that extend core crossfire objects.	1388	Functions and methods that extend core crossfire objects.
975		1389
976	=cut	1390	=cut
…		…
980	use Coro::AIO;	1394	use Coro::AIO;
981		1395
982	=head3 cf::player	1396	=head3 cf::player
983		1397
984	=over 4	1398	=over 4
		1399
		1400	=item cf::player::num_playing
		1401
		1402	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1403
		1404	=cut
		1405
		1406	sub num_playing {
		1407	scalar grep
		1408	$_->ob->map
		1409	&& !$_->hidden
		1410	&& !$_->ob->flag (cf::FLAG_WIZ),
		1411	cf::player::list
		1412	}
985		1413
986	=item cf::player::find $login	1414	=item cf::player::find $login
987		1415
988	Returns the given player object, loading it if necessary (might block).	1416	Returns the given player object, loading it if necessary (might block).
989		1417
…		…
1025	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1453	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1026	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1454	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1027	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1455	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1028	aio_unlink +(playerdir $login) . "/$login.pl";	1456	aio_unlink +(playerdir $login) . "/$login.pl";
1029		1457
1030	my $pl = load_pl path $login	1458	my $f = new_from_file cf::object::thawer path $login
1031	or return;	1459	or return;
		1460
		1461	my $pl = cf::player::load_pl $f
		1462	or return;
		1463
		1464	local $cf::PLAYER_LOADING{$login} = $pl;
		1465	$f->resolve_delayed_derefs;
1032	$cf::PLAYER{$login} = $pl	1466	$cf::PLAYER{$login} = $pl
1033	}	1467	}
1034	}	1468	}
1035	}	1469	}
1036		1470
…		…
1045	return if $pl->{deny_save};	1479	return if $pl->{deny_save};
1046		1480
1047	aio_mkdir playerdir $pl, 0770;	1481	aio_mkdir playerdir $pl, 0770;
1048	$pl->{last_save} = $cf::RUNTIME;	1482	$pl->{last_save} = $cf::RUNTIME;
1049		1483
		1484	cf::get_slot 0.01;
		1485
1050	$pl->save_pl ($path);	1486	$pl->save_pl ($path);
1051	Coro::cede;	1487	cf::cede_to_tick;
1052	}	1488	}
1053		1489
1054	sub new($) {	1490	sub new($) {
1055	my ($login) = @_;	1491	my ($login) = @_;
1056		1492
…		…
1062	$cf::PLAYER{$login} = $self;	1498	$cf::PLAYER{$login} = $self;
1063		1499
1064	$self	1500	$self
1065	}	1501	}
1066		1502
		1503	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1504
		1505	=cut
		1506
		1507	sub send_msg {
		1508	my $ns = shift->ns
		1509	or return;
		1510	$ns->send_msg (@_);
		1511	}
		1512
1067	=item $pl->quit_character	1513	=item $pl->quit_character
1068		1514
1069	Nukes the player without looking back. If logged in, the connection will	1515	Nukes the player without looking back. If logged in, the connection will
1070	be destroyed. May block for a long time.	1516	be destroyed. May block for a long time.
1071		1517
…		…
1079	$pl->{deny_save} = 1;	1525	$pl->{deny_save} = 1;
1080	$pl->password ("*"); # this should lock out the player until we nuked the dir	1526	$pl->password ("*"); # this should lock out the player until we nuked the dir
1081		1527
1082	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1528	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1083	$pl->deactivate;	1529	$pl->deactivate;
		1530	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1531	$pl->ob->check_score;
1084	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1532	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1085	$pl->ns->destroy if $pl->ns;	1533	$pl->ns->destroy if $pl->ns;
1086		1534
1087	my $path = playerdir $pl;	1535	my $path = playerdir $pl;
1088	my $temp = "$path~$cf::RUNTIME~deleting~";	1536	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1124	or return [];	1572	or return [];
1125		1573
1126	my @logins;	1574	my @logins;
1127		1575
1128	for my $login (@$dirs) {	1576	for my $login (@$dirs) {
		1577	my $path = path $login;
		1578
		1579	# a .pst is a dead give-away for a valid player
		1580	# if no pst file found, open and chekc for blocked users
		1581	if (aio_stat "$path.pst") {
1129	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1582	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1130	aio_read $fh, 0, 512, my $buf, 0 or next;	1583	aio_read $fh, 0, 512, my $buf, 0 or next;
1131	$buf !~ /^password -------------$/m or next; # official not-valid tag	1584	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1585	}
1132		1586
1133	utf8::decode $login;	1587	utf8::decode $login;
1134	push @logins, $login;	1588	push @logins, $login;
1135	}	1589	}
1136		1590
…		…
1163	}	1617	}
1164		1618
1165	\@paths	1619	\@paths
1166	}	1620	}
1167		1621
		1622	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1623
		1624	Expand crossfire pod fragments into protocol xml.
		1625
		1626	=cut
		1627
		1628	use re 'eval';
		1629
		1630	my $group;
		1631	my $interior; $interior = qr{
		1632	# match a pod interior sequence sans C<< >>
		1633	(?:
		1634	\ (.*?)\ (?{ $group = $^N })
		1635	| < (??{$interior}) >
		1636	)
		1637	}x;
		1638
		1639	sub expand_cfpod {
		1640	my ($self, $pod) = @_;
		1641
		1642	my $xml;
		1643
		1644	while () {
		1645	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1646	$group = $1;
		1647
		1648	$group =~ s/&/&amp;/g;
		1649	$group =~ s/</&lt;/g;
		1650
		1651	$xml .= $group;
		1652	} elsif ($pod =~ m%\G
		1653	([BCGHITU])
		1654	<
		1655	(?:
		1656	([^<>]*) (?{ $group = $^N })
		1657	| < $interior >
		1658	)
		1659	>
		1660	%gcsx
		1661	) {
		1662	my ($code, $data) = ($1, $group);
		1663
		1664	if ($code eq "B") {
		1665	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1666	} elsif ($code eq "I") {
		1667	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1668	} elsif ($code eq "U") {
		1669	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1670	} elsif ($code eq "C") {
		1671	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1672	} elsif ($code eq "T") {
		1673	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1674	} elsif ($code eq "G") {
		1675	my ($male, $female) = split /\|/, $data;
		1676	$data = $self->gender ? $female : $male;
		1677	$xml .= expand_cfpod ($self, $data);
		1678	} elsif ($code eq "H") {
		1679	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1680	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1681	"")
		1682	[$self->{hintmode}];
		1683	} else {
		1684	$xml .= "error processing '$code($data)' directive";
		1685	}
		1686	} else {
		1687	if ($pod =~ /\G(.+)/) {
		1688	warn "parse error while expanding $pod (at $1)";
		1689	}
		1690	last;
		1691	}
		1692	}
		1693
		1694	for ($xml) {
		1695	# create single paragraphs (very hackish)
		1696	s/(?<=\S)\n(?=\w)/ /g;
		1697
		1698	# compress some whitespace
		1699	s/\s+\n/\n/g; # ws line-ends
		1700	s/\n\n+/\n/g; # double lines
		1701	s/^\n+//; # beginning lines
		1702	s/\n+$//; # ending lines
		1703	}
		1704
		1705	$xml
		1706	}
		1707
		1708	no re 'eval';
		1709
		1710	sub hintmode {
		1711	$_[0]{hintmode} = $_[1] if @_ > 1;
		1712	$_[0]{hintmode}
		1713	}
		1714
1168	=item $player->ext_reply ($msgid, %msg)	1715	=item $player->ext_reply ($msgid, @msg)
1169		1716
1170	Sends an ext reply to the player.	1717	Sends an ext reply to the player.
1171		1718
1172	=cut	1719	=cut
1173		1720
1174	sub ext_reply($$%) {	1721	sub ext_reply($$@) {
1175	my ($self, $id, %msg) = @_;	1722	my ($self, $id, @msg) = @_;
1176		1723
1177	$msg{msgid} = $id;	1724	$self->ns->ext_reply ($id, @msg)
1178
1179	$self->send ("ext " . cf::to_json \%msg);
1180	}	1725	}
1181		1726
1182	=item $player->ext_event ($type, %msg)	1727	=item $player->ext_msg ($type, @msg)
1183		1728
1184	Sends an ext event to the client.	1729	Sends an ext event to the client.
1185		1730
1186	=cut	1731	=cut
1187		1732
1188	sub ext_event($$%) {	1733	sub ext_msg($$@) {
1189	my ($self, $type, %msg) = @_;	1734	my ($self, $type, @msg) = @_;
1190		1735
1191	$self->ns->ext_event ($type, %msg);	1736	$self->ns->ext_msg ($type, @msg);
1192	}	1737	}
1193		1738
1194	=head3 cf::region	1739	=head3 cf::region
1195		1740
1196	=over 4	1741	=over 4
…		…
1199		1744
1200	package cf::region;	1745	package cf::region;
1201		1746
1202	=item cf::region::find_by_path $path	1747	=item cf::region::find_by_path $path
1203		1748
1204	Tries to decuce the probable region for a map knowing only its path.	1749	Tries to decuce the likely region for a map knowing only its path.
1205		1750
1206	=cut	1751	=cut
1207		1752
1208	sub find_by_path($) {	1753	sub find_by_path($) {
1209	my ($path) = @_;	1754	my ($path) = @_;
1210		1755
1211	my ($match, $specificity);	1756	my ($match, $specificity);
1212		1757
1213	for my $region (list) {	1758	for my $region (list) {
1214	if ($region->match && $path =~ $region->match) {	1759	if ($region->{match} && $path =~ $region->{match}) {
1215	($match, $specificity) = ($region, $region->specificity)	1760	($match, $specificity) = ($region, $region->specificity)
1216	if $region->specificity > $specificity;	1761	if $region->specificity > $specificity;
1217	}	1762	}
1218	}	1763	}
1219		1764
…		…
1240	our $MAX_RESET = 3600;	1785	our $MAX_RESET = 3600;
1241	our $DEFAULT_RESET = 3000;	1786	our $DEFAULT_RESET = 3000;
1242		1787
1243	sub generate_random_map {	1788	sub generate_random_map {
1244	my ($self, $rmp) = @_;	1789	my ($self, $rmp) = @_;
		1790
		1791	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1792
1245	# mit "rum" bekleckern, nicht	1793	# mit "rum" bekleckern, nicht
1246	$self->_create_random_map (	1794	$self->_create_random_map (
1247	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1795	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1248	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1796	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1249	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1797	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1283	my ($self, $merge) = @_;	1831	my ($self, $merge) = @_;
1284		1832
1285	# we have to keep some variables in memory intact	1833	# we have to keep some variables in memory intact
1286	local $self->{path};	1834	local $self->{path};
1287	local $self->{load_path};	1835	local $self->{load_path};
1288	local $self->{deny_save};
1289	local $self->{deny_reset};
1290		1836
1291	$self->SUPER::thawer_merge ($merge);	1837	$self->SUPER::thawer_merge ($merge);
1292	}	1838	}
1293		1839
1294	sub normalise {	1840	sub normalise {
…		…
1341	$self->init; # pass $1 etc.	1887	$self->init; # pass $1 etc.
1342	return $self;	1888	return $self;
1343	}	1889	}
1344	}	1890	}
1345		1891
1346	Carp::carp "unable to resolve path '$path' (base '$base').";	1892	Carp::cluck "unable to resolve path '$path' (base '$base').";
1347	()	1893	()
1348	}	1894	}
1349		1895
1350	sub init {	1896	sub init {
1351	my ($self) = @_;	1897	my ($self) = @_;
…		…
1373		1919
1374	# the temporary/swap location	1920	# the temporary/swap location
1375	sub save_path {	1921	sub save_path {
1376	my ($self) = @_;	1922	my ($self) = @_;
1377		1923
1378	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1924	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1379	"$TMPDIR/$path.map"	1925	"$TMPDIR/$path.map"
1380	}	1926	}
1381		1927
1382	# the unique path, undef == no special unique path	1928	# the unique path, undef == no special unique path
1383	sub uniq_path {	1929	sub uniq_path {
1384	my ($self) = @_;	1930	my ($self) = @_;
1385		1931
1386	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1932	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1387	"$UNIQUEDIR/$path"	1933	"$UNIQUEDIR/$path"
1388	}	1934	}
1389		1935
1390	# and all this just because we cannot iterate over	1936	# and all this just because we cannot iterate over
1391	# all maps in C++...	1937	# all maps in C++...
…		…
1394		1940
1395	$_->change_map_light ($change)	1941	$_->change_map_light ($change)
1396	for grep $_->outdoor, values %cf::MAP;	1942	for grep $_->outdoor, values %cf::MAP;
1397	}	1943	}
1398		1944
		1945	sub decay_objects {
		1946	my ($self) = @_;
		1947
		1948	return if $self->{deny_reset};
		1949
		1950	$self->do_decay_objects;
		1951	}
		1952
1399	sub unlink_save {	1953	sub unlink_save {
1400	my ($self) = @_;	1954	my ($self) = @_;
1401		1955
1402	utf8::encode (my $save = $self->save_path);	1956	utf8::encode (my $save = $self->save_path);
1403	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1957	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1406		1960
1407	sub load_header_from($) {	1961	sub load_header_from($) {
1408	my ($self, $path) = @_;	1962	my ($self, $path) = @_;
1409		1963
1410	utf8::encode $path;	1964	utf8::encode $path;
1411	#aio_open $path, O_RDONLY, 0	1965	my $f = new_from_file cf::object::thawer $path
1412	# or return;
1413
1414	$self->_load_header ($path)
1415	or return;	1966	or return;
		1967
		1968	$self->_load_header ($f)
		1969	or return;
		1970
		1971	local $MAP_LOADING{$self->{path}} = $self;
		1972	$f->resolve_delayed_derefs;
1416		1973
1417	$self->{load_path} = $path;	1974	$self->{load_path} = $path;
1418		1975
1419	1	1976	1
1420	}	1977	}
…		…
1459	$self->load_header_orig	2016	$self->load_header_orig
1460	or return;	2017	or return;
1461	$self->prepare_orig;	2018	$self->prepare_orig;
1462	}	2019	}
1463		2020
		2021	$self->{deny_reset} = 1
		2022	if $self->no_reset;
		2023
1464	$self->default_region (cf::region::find_by_path $self->{path})	2024	$self->default_region (cf::region::find_by_path $self->{path})
1465	unless $self->default_region;	2025	unless $self->default_region;
1466		2026
1467	1	2027	1
1468	}	2028	}
…		…
1471	sub find {	2031	sub find {
1472	my ($path, $origin) = @_;	2032	my ($path, $origin) = @_;
1473		2033
1474	$path = normalise $path, $origin && $origin->path;	2034	$path = normalise $path, $origin && $origin->path;
1475		2035
		2036	cf::lock_wait "map_data:$path";#d#remove
1476	cf::lock_wait "map_find:$path";	2037	cf::lock_wait "map_find:$path";
1477		2038
1478	$cf::MAP{$path} || do {	2039	$cf::MAP{$path} || do {
		2040	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1479	my $guard = cf::lock_acquire "map_find:$path";	2041	my $guard2 = cf::lock_acquire "map_find:$path";
		2042
1480	my $map = new_from_path cf::map $path	2043	my $map = new_from_path cf::map $path
1481	or return;	2044	or return;
1482		2045
1483	$map->{last_save} = $cf::RUNTIME;	2046	$map->{last_save} = $cf::RUNTIME;
1484		2047
1485	$map->load_header	2048	$map->load_header
1486	or return;	2049	or return;
1487		2050
1488	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2051	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1489	# doing this can freeze the server in a sync job, obviously	2052	# doing this can freeze the server in a sync job, obviously
1490	#$cf::WAIT_FOR_TICK->wait;	2053	#$cf::WAIT_FOR_TICK->wait;
		2054	undef $guard2;
		2055	undef $guard1;
1491	$map->reset;	2056	$map->reset;
1492	undef $guard;
1493	return find $path;	2057	return find $path;
1494	}	2058	}
1495		2059
1496	$cf::MAP{$path} = $map	2060	$cf::MAP{$path} = $map
1497	}	2061	}
…		…
1506	local $self->{deny_reset} = 1; # loading can take a long time	2070	local $self->{deny_reset} = 1; # loading can take a long time
1507		2071
1508	my $path = $self->{path};	2072	my $path = $self->{path};
1509		2073
1510	{	2074	{
1511	my $guard = cf::lock_acquire "map_load:$path";	2075	my $guard = cf::lock_acquire "map_data:$path";
1512		2076
		2077	return unless $self->valid;
1513	return if $self->in_memory != cf::MAP_SWAPPED;	2078	return unless $self->in_memory == cf::MAP_SWAPPED;
1514		2079
1515	$self->in_memory (cf::MAP_LOADING);	2080	$self->in_memory (cf::MAP_LOADING);
1516		2081
1517	$self->alloc;	2082	$self->alloc;
1518		2083
1519	$self->pre_load;	2084	$self->pre_load;
1520	Coro::cede;	2085	cf::cede_to_tick;
1521		2086
		2087	my $f = new_from_file cf::object::thawer $self->{load_path};
		2088	$f->skip_block;
1522	$self->_load_objects ($self->{load_path}, 1)	2089	$self->_load_objects ($f)
1523	or return;	2090	or return;
1524		2091
1525	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2092	$self->post_load_original
1526	if delete $self->{load_original};	2093	if delete $self->{load_original};
1527		2094
1528	if (my $uniq = $self->uniq_path) {	2095	if (my $uniq = $self->uniq_path) {
1529	utf8::encode $uniq;	2096	utf8::encode $uniq;
1530	if (aio_open $uniq, O_RDONLY, 0) {	2097	unless (aio_stat $uniq) {
		2098	if (my $f = new_from_file cf::object::thawer $uniq) {
1531	$self->clear_unique_items;	2099	$self->clear_unique_items;
1532	$self->_load_objects ($uniq, 0);	2100	$self->_load_objects ($f);
		2101	$f->resolve_delayed_derefs;
		2102	}
1533	}	2103	}
1534	}	2104	}
1535		2105
1536	Coro::cede;	2106	$f->resolve_delayed_derefs;
		2107
		2108	cf::cede_to_tick;
1537	# now do the right thing for maps	2109	# now do the right thing for maps
1538	$self->link_multipart_objects;	2110	$self->link_multipart_objects;
1539	$self->difficulty ($self->estimate_difficulty)	2111	$self->difficulty ($self->estimate_difficulty)
1540	unless $self->difficulty;	2112	unless $self->difficulty;
1541	Coro::cede;	2113	cf::cede_to_tick;
1542		2114
1543	unless ($self->{deny_activate}) {	2115	unless ($self->{deny_activate}) {
1544	$self->decay_objects;	2116	$self->decay_objects;
1545	$self->fix_auto_apply;	2117	$self->fix_auto_apply;
1546	$self->update_buttons;	2118	$self->update_buttons;
1547	Coro::cede;	2119	cf::cede_to_tick;
1548	$self->set_darkness_map;	2120	$self->set_darkness_map;
1549	Coro::cede;	2121	cf::cede_to_tick;
1550	$self->activate;	2122	$self->activate;
1551	}	2123	}
1552		2124
		2125	$self->{last_save} = $cf::RUNTIME;
		2126	$self->last_access ($cf::RUNTIME);
		2127
1553	$self->in_memory (cf::MAP_IN_MEMORY);	2128	$self->in_memory (cf::MAP_ACTIVE);
1554	}	2129	}
1555		2130
1556	$self->post_load;	2131	$self->post_load;
1557	}	2132	}
1558		2133
…		…
1560	my ($self, $ob) = @_;	2135	my ($self, $ob) = @_;
1561		2136
1562	return find "~" . $ob->name . "/" . $self->{path}	2137	return find "~" . $ob->name . "/" . $self->{path}
1563	if $self->per_player;	2138	if $self->per_player;
1564		2139
		2140	# return find "?party/" . $ob->name . "/" . $self->{path}
		2141	# if $self->per_party;
		2142
1565	$self	2143	$self
1566	}	2144	}
1567		2145
1568	# find and load all maps in the 3x3 area around a map	2146	# find and load all maps in the 3x3 area around a map
1569	sub load_diag {	2147	sub load_neighbours {
1570	my ($map) = @_;	2148	my ($map) = @_;
1571		2149
1572	my @diag; # diagonal neighbours	2150	my @neigh; # diagonal neighbours
1573		2151
1574	for (0 .. 3) {	2152	for (0 .. 3) {
1575	my $neigh = $map->tile_path ($_)	2153	my $neigh = $map->tile_path ($_)
1576	or next;	2154	or next;
1577	$neigh = find $neigh, $map	2155	$neigh = find $neigh, $map
1578	or next;	2156	or next;
1579	$neigh->load;	2157	$neigh->load;
1580		2158
		2159	push @neigh,
1581	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2160	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1582	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2161	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1583	}	2162	}
1584		2163
1585	for (@diag) {	2164	for (grep defined $_->[0], @neigh) {
		2165	my ($path, $origin) = @$_;
1586	my $neigh = find @$_	2166	my $neigh = find $path, $origin
1587	or next;	2167	or next;
1588	$neigh->load;	2168	$neigh->load;
1589	}	2169	}
1590	}	2170	}
1591		2171
…		…
1596	}	2176	}
1597		2177
1598	sub do_load_sync {	2178	sub do_load_sync {
1599	my ($map) = @_;	2179	my ($map) = @_;
1600		2180
		2181	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2182	if $Coro::current == $Coro::main;
		2183
1601	cf::sync_job { $map->load };	2184	cf::sync_job { $map->load };
1602	}	2185	}
1603		2186
1604	our %MAP_PREFETCH;	2187	our %MAP_PREFETCH;
1605	our $MAP_PREFETCHER = undef;	2188	our $MAP_PREFETCHER = undef;
1606		2189
1607	sub find_async {	2190	sub find_async {
1608	my ($path, $origin) = @_;	2191	my ($path, $origin, $load) = @_;
1609		2192
1610	$path = normalise $path, $origin && $origin->{path};	2193	$path = normalise $path, $origin && $origin->{path};
1611		2194
1612	if (my $map = $cf::MAP{$path}) {	2195	if (my $map = $cf::MAP{$path}) {
1613	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2196	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1614	}	2197	}
1615		2198
1616	undef $MAP_PREFETCH{$path};	2199	$MAP_PREFETCH{$path} |= $load;
		2200
1617	$MAP_PREFETCHER ||= cf::async {	2201	$MAP_PREFETCHER ||= cf::async {
		2202	$Coro::current->{desc} = "map prefetcher";
		2203
1618	while (%MAP_PREFETCH) {	2204	while (%MAP_PREFETCH) {
1619	for my $path (keys %MAP_PREFETCH) {	2205	while (my ($k, $v) = each %MAP_PREFETCH) {
1620	my $map = find $path	2206	if (my $map = find $k) {
1621	or next;
1622	$map->load;	2207	$map->load if $v;
		2208	}
1623		2209
1624	delete $MAP_PREFETCH{$path};	2210	delete $MAP_PREFETCH{$k};
1625	}	2211	}
1626	}	2212	}
1627	undef $MAP_PREFETCHER;	2213	undef $MAP_PREFETCHER;
1628	};	2214	};
1629	$MAP_PREFETCHER->prio (6);	2215	$MAP_PREFETCHER->prio (6);
…		…
1632	}	2218	}
1633		2219
1634	sub save {	2220	sub save {
1635	my ($self) = @_;	2221	my ($self) = @_;
1636		2222
1637	my $lock = cf::lock_acquire "map_data:" . $self->path;	2223	my $lock = cf::lock_acquire "map_data:$self->{path}";
1638		2224
1639	$self->{last_save} = $cf::RUNTIME;	2225	$self->{last_save} = $cf::RUNTIME;
1640		2226
1641	return unless $self->dirty;	2227	return unless $self->dirty;
1642		2228
…		…
1648	return if $self->{deny_save};	2234	return if $self->{deny_save};
1649		2235
1650	local $self->{last_access} = $self->last_access;#d#	2236	local $self->{last_access} = $self->last_access;#d#
1651		2237
1652	cf::async {	2238	cf::async {
		2239	$Coro::current->{desc} = "map player save";
1653	$_->contr->save for $self->players;	2240	$_->contr->save for $self->players;
1654	};	2241	};
		2242
		2243	cf::get_slot 0.02;
1655		2244
1656	if ($uniq) {	2245	if ($uniq) {
1657	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2246	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1658	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2247	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1659	} else {	2248	} else {
…		…
1665	my ($self) = @_;	2254	my ($self) = @_;
1666		2255
1667	# save first because save cedes	2256	# save first because save cedes
1668	$self->save;	2257	$self->save;
1669		2258
1670	my $lock = cf::lock_acquire "map_data:" . $self->path;	2259	my $lock = cf::lock_acquire "map_data:$self->{path}";
1671		2260
1672	return if $self->players;	2261	return if $self->players;
1673	return if $self->in_memory != cf::MAP_IN_MEMORY;	2262	return if $self->in_memory != cf::MAP_ACTIVE;
1674	return if $self->{deny_save};	2263	return if $self->{deny_save};
1675		2264
		2265	$self->in_memory (cf::MAP_SWAPPED);
		2266
		2267	$self->deactivate;
		2268	$_->clear_links_to ($self) for values %cf::MAP;
1676	$self->clear;	2269	$self->clear;
1677	$self->in_memory (cf::MAP_SWAPPED);
1678	}	2270	}
1679		2271
1680	sub reset_at {	2272	sub reset_at {
1681	my ($self) = @_;	2273	my ($self) = @_;
1682		2274
1683	# TODO: safety, remove and allow resettable per-player maps	2275	# TODO: safety, remove and allow resettable per-player maps
1684	return 1e99 if $self->isa ("ext::map_per_player");#d#
1685	return 1e99 if $self->{deny_reset};	2276	return 1e99 if $self->{deny_reset};
1686		2277
1687	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2278	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1688	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2279	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1689		2280
…		…
1700	my ($self) = @_;	2291	my ($self) = @_;
1701		2292
1702	my $lock = cf::lock_acquire "map_data:$self->{path}";	2293	my $lock = cf::lock_acquire "map_data:$self->{path}";
1703		2294
1704	return if $self->players;	2295	return if $self->players;
1705	return if $self->isa ("ext::map_per_player");#d#
1706		2296
1707	warn "resetting map ", $self->path;#d#	2297	warn "resetting map ", $self->path;
1708		2298
1709	$self->in_memory (cf::MAP_SWAPPED);	2299	$self->in_memory (cf::MAP_SWAPPED);
1710		2300
1711	# need to save uniques path	2301	# need to save uniques path
1712	unless ($self->{deny_save}) {	2302	unless ($self->{deny_save}) {
…		…
1716	if $uniq;	2306	if $uniq;
1717	}	2307	}
1718		2308
1719	delete $cf::MAP{$self->path};	2309	delete $cf::MAP{$self->path};
1720		2310
		2311	$self->deactivate;
		2312	$_->clear_links_to ($self) for values %cf::MAP;
1721	$self->clear;	2313	$self->clear;
1722
1723	$_->clear_links_to ($self) for values %cf::MAP;
1724		2314
1725	$self->unlink_save;	2315	$self->unlink_save;
1726	$self->destroy;	2316	$self->destroy;
1727	}	2317	}
1728		2318
1729	my $nuke_counter = "aaaa";	2319	my $nuke_counter = "aaaa";
1730		2320
1731	sub nuke {	2321	sub nuke {
1732	my ($self) = @_;	2322	my ($self) = @_;
1733		2323
		2324	{
		2325	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2326
1734	delete $cf::MAP{$self->path};	2327	delete $cf::MAP{$self->path};
1735		2328
1736	$self->unlink_save;	2329	$self->unlink_save;
1737		2330
1738	bless $self, "cf::map";	2331	bless $self, "cf::map";
1739	delete $self->{deny_reset};	2332	delete $self->{deny_reset};
1740	$self->{deny_save} = 1;	2333	$self->{deny_save} = 1;
1741	$self->reset_timeout (1);	2334	$self->reset_timeout (1);
1742	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2335	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1743		2336
1744	$cf::MAP{$self->path} = $self;	2337	$cf::MAP{$self->path} = $self;
		2338	}
1745		2339
1746	$self->reset; # polite request, might not happen	2340	$self->reset; # polite request, might not happen
		2341	}
		2342
		2343	=item $maps = cf::map::tmp_maps
		2344
		2345	Returns an arrayref with all map paths of currently instantiated and saved
		2346	maps. May block.
		2347
		2348	=cut
		2349
		2350	sub tmp_maps() {
		2351	[
		2352	map {
		2353	utf8::decode $_;
		2354	/\.map$/
		2355	? normalise $_
		2356	: ()
		2357	} @{ aio_readdir $TMPDIR or [] }
		2358	]
		2359	}
		2360
		2361	=item $maps = cf::map::random_maps
		2362
		2363	Returns an arrayref with all map paths of currently instantiated and saved
		2364	random maps. May block.
		2365
		2366	=cut
		2367
		2368	sub random_maps() {
		2369	[
		2370	map {
		2371	utf8::decode $_;
		2372	/\.map$/
		2373	? normalise "?random/$_"
		2374	: ()
		2375	} @{ aio_readdir $RANDOMDIR or [] }
		2376	]
1747	}	2377	}
1748		2378
1749	=item cf::map::unique_maps	2379	=item cf::map::unique_maps
1750		2380
1751	Returns an arrayref of paths of all shared maps that have	2381	Returns an arrayref of paths of all shared maps that have
1752	instantiated unique items. May block.	2382	instantiated unique items. May block.
1753		2383
1754	=cut	2384	=cut
1755		2385
1756	sub unique_maps() {	2386	sub unique_maps() {
1757	my $files = aio_readdir $UNIQUEDIR	2387	[
1758	or return;	2388	map {
1759
1760	my @paths;
1761
1762	for (@$files) {
1763	utf8::decode $_;	2389	utf8::decode $_;
1764	next if /\.pst$/;	2390	s/\.map$//; # TODO future compatibility hack
1765	next unless /^$PATH_SEP/o;	2391	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1766		2392	? ()
1767	push @paths, cf::map::normalise $_;	2393	: normalise $_
		2394	} @{ aio_readdir $UNIQUEDIR or [] }
1768	}	2395	]
1769
1770	\@paths
1771	}	2396	}
1772
1773	package cf;
1774		2397
1775	=back	2398	=back
1776		2399
1777	=head3 cf::object	2400	=head3 cf::object
1778		2401
…		…
1782		2405
1783	=over 4	2406	=over 4
1784		2407
1785	=item $ob->inv_recursive	2408	=item $ob->inv_recursive
1786		2409
1787	Returns the inventory of the object _and_ their inventories, recursively.	2410	Returns the inventory of the object I<and> their inventories, recursively,
		2411	but I<not> the object itself.
1788		2412
1789	=cut	2413	=cut
1790		2414
1791	sub inv_recursive_;	2415	sub inv_recursive_;
1792	sub inv_recursive_ {	2416	sub inv_recursive_ {
…		…
1795		2419
1796	sub inv_recursive {	2420	sub inv_recursive {
1797	inv_recursive_ inv $_[0]	2421	inv_recursive_ inv $_[0]
1798	}	2422	}
1799		2423
		2424	=item $ref = $ob->ref
		2425
		2426	Creates and returns a persistent reference to an object that can be stored as a string.
		2427
		2428	=item $ob = cf::object::deref ($refstring)
		2429
		2430	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2431	even if the object actually exists. May block.
		2432
		2433	=cut
		2434
		2435	sub deref {
		2436	my ($ref) = @_;
		2437
		2438	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2439	my ($uuid, $name) = ($1, $2);
		2440	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2441	or return;
		2442	$pl->ob->uuid eq $uuid
		2443	or return;
		2444
		2445	$pl->ob
		2446	} else {
		2447	warn "$ref: cannot resolve object reference\n";
		2448	undef
		2449	}
		2450	}
		2451
1800	package cf;	2452	package cf;
1801		2453
1802	=back	2454	=back
1803		2455
1804	=head3 cf::object::player	2456	=head3 cf::object::player
…		…
1810	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2462	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1811	can be C<undef>. Does the right thing when the player is currently in a	2463	can be C<undef>. Does the right thing when the player is currently in a
1812	dialogue with the given NPC character.	2464	dialogue with the given NPC character.
1813		2465
1814	=cut	2466	=cut
		2467
		2468	our $SAY_CHANNEL = {
		2469	id => "say",
		2470	title => "Map",
		2471	reply => "say ",
		2472	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2473	};
		2474
		2475	our $CHAT_CHANNEL = {
		2476	id => "chat",
		2477	title => "Chat",
		2478	reply => "chat ",
		2479	tooltip => "Player chat and shouts, global to the server.",
		2480	};
1815		2481
1816	# rough implementation of a future "reply" method that works	2482	# rough implementation of a future "reply" method that works
1817	# with dialog boxes.	2483	# with dialog boxes.
1818	#TODO: the first argument must go, split into a $npc->reply_to ( method	2484	#TODO: the first argument must go, split into a $npc->reply_to ( method
1819	sub cf::object::player::reply($$$;$) {	2485	sub cf::object::player::reply($$$;$) {
…		…
1821		2487
1822	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2488	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1823		2489
1824	if ($self->{record_replies}) {	2490	if ($self->{record_replies}) {
1825	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2491	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2492
1826	} else {	2493	} else {
		2494	my $pl = $self->contr;
		2495
		2496	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2497	my $dialog = $pl->{npc_dialog};
		2498	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2499
		2500	} else {
1827	$msg = $npc->name . " says: $msg" if $npc;	2501	$msg = $npc->name . " says: $msg" if $npc;
1828	$self->message ($msg, $flags);	2502	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2503	}
1829	}	2504	}
		2505	}
		2506
		2507	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2508
		2509	=cut
		2510
		2511	sub cf::object::send_msg {
		2512	my $pl = shift->contr
		2513	or return;
		2514	$pl->send_msg (@_);
1830	}	2515	}
1831		2516
1832	=item $player_object->may ("access")	2517	=item $player_object->may ("access")
1833		2518
1834	Returns wether the given player is authorized to access resource "access"	2519	Returns wether the given player is authorized to access resource "access"
…		…
1881	$self->deactivate_recursive;	2566	$self->deactivate_recursive;
1882		2567
1883	return if UNIVERSAL::isa $self->map, "ext::map_link";	2568	return if UNIVERSAL::isa $self->map, "ext::map_link";
1884		2569
1885	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2570	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1886	if $self->map;	2571	if $self->map && $self->map->{path} ne "{link}";
1887		2572
1888	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2573	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1889	}	2574	}
1890		2575
1891	sub cf::object::player::leave_link {	2576	sub cf::object::player::leave_link {
1892	my ($self, $map, $x, $y) = @_;	2577	my ($self, $map, $x, $y) = @_;
		2578
		2579	return unless $self->contr->active;
1893		2580
1894	my $link_pos = delete $self->{_link_pos};	2581	my $link_pos = delete $self->{_link_pos};
1895		2582
1896	unless ($map) {	2583	unless ($map) {
1897	# restore original map position	2584	# restore original map position
…		…
1911	# use -1 or undef as default coordinates, not 0, 0	2598	# use -1 or undef as default coordinates, not 0, 0
1912	($x, $y) = ($map->enter_x, $map->enter_y)	2599	($x, $y) = ($map->enter_x, $map->enter_y)
1913	if $x <=0 && $y <= 0;	2600	if $x <=0 && $y <= 0;
1914		2601
1915	$map->load;	2602	$map->load;
1916	$map->load_diag;	2603	$map->load_neighbours;
1917		2604
1918	return unless $self->contr->active;	2605	return unless $self->contr->active;
1919	$self->activate_recursive;	2606	$self->activate_recursive;
1920		2607
1921	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2608	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1922	$self->enter_map ($map, $x, $y);	2609	$self->enter_map ($map, $x, $y);
1923	}	2610	}
1924		2611
1925	cf::player->attach (	2612	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1926	on_logout => sub {
1927	my ($pl) = @_;
1928		2613
1929	# abort map switching before logout	2614	Moves the player to the given map-path and coordinates by first freezing
1930	if ($pl->ob->{_link_pos}) {	2615	her, loading and preparing them map, calling the provided $check callback
1931	cf::sync_job {	2616	that has to return the map if sucecssful, and then unfreezes the player on
1932	$pl->ob->leave_link	2617	the new (success) or old (failed) map position. In either case, $done will
1933	};	2618	be called at the end of this process.
1934	}
1935	},
1936	on_login => sub {
1937	my ($pl) = @_;
1938		2619
1939	# try to abort aborted map switching on player login :)	2620	Note that $check will be called with a potentially non-loaded map, so if
1940	# should happen only on crashes	2621	it needs a loaded map it has to call C<< ->load >>.
1941	if ($pl->ob->{_link_pos}) {
1942	$pl->ob->enter_link;
1943	(async {
1944	$pl->ob->reply (undef,
1945	"There was an internal problem at your last logout, "
1946	. "the server will try to bring you to your intended destination in a second.",
1947	cf::NDI_RED);
1948	# we need this sleep as the login has a concurrent enter_exit running
1949	# and this sleep increases chances of the player not ending up in scorn
1950	Coro::Timer::sleep 1;
1951	$pl->ob->leave_link;
1952	})->prio (2);
1953	}
1954	},
1955	);
1956		2622
1957	=item $player_object->goto ($path, $x, $y)
1958
1959	=cut	2623	=cut
		2624
		2625	our $GOTOGEN;
1960		2626
1961	sub cf::object::player::goto {	2627	sub cf::object::player::goto {
1962	my ($self, $path, $x, $y) = @_;	2628	my ($self, $path, $x, $y, $check, $done) = @_;
		2629
		2630	# do generation counting so two concurrent goto's will be executed in-order
		2631	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1963		2632
1964	$self->enter_link;	2633	$self->enter_link;
1965		2634
1966	(async {	2635	(async {
		2636	$Coro::current->{desc} = "player::goto $path $x $y";
		2637
		2638	# *tag paths override both path and x|y
		2639	if ($path =~ /^\*(.*)$/) {
		2640	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2641	my $ob = $obs[rand @obs];
		2642
		2643	# see if we actually can go there
		2644	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2645	$ob = $obs[rand @obs];
		2646	} else {
		2647	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2648	}
		2649	# else put us there anyways for now #d#
		2650
		2651	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2652	} else {
		2653	($path, $x, $y) = (undef, undef, undef);
		2654	}
		2655	}
		2656
1967	my $map = eval {	2657	my $map = eval {
1968	my $map = cf::map::find $path;	2658	my $map = defined $path ? cf::map::find $path : undef;
		2659
		2660	if ($map) {
1969	$map = $map->customise_for ($self) if $map;	2661	$map = $map->customise_for ($self);
		2662	$map = $check->($map) if $check && $map;
		2663	} else {
		2664	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2665	}
		2666
1970	$map	2667	$map
		2668	};
		2669
		2670	if ($@) {
		2671	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2672	LOG llevError | logBacktrace, Carp::longmess $@;
1971	} or	2673	}
1972	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1973		2674
		2675	if ($gen == $self->{_goto_generation}) {
		2676	delete $self->{_goto_generation};
1974	$self->leave_link ($map, $x, $y);	2677	$self->leave_link ($map, $x, $y);
		2678	}
		2679
		2680	$done->() if $done;
1975	})->prio (1);	2681	})->prio (1);
1976	}	2682	}
1977		2683
1978	=item $player_object->enter_exit ($exit_object)	2684	=item $player_object->enter_exit ($exit_object)
1979		2685
…		…
1999	}	2705	}
2000		2706
2001	sub prepare_random_map {	2707	sub prepare_random_map {
2002	my ($exit) = @_;	2708	my ($exit) = @_;
2003		2709
2004	my $guard = cf::lock_acquire "exit_prepare:$exit";
2005
2006	# all this does is basically replace the /! path by	2710	# all this does is basically replace the /! path by
2007	# a new random map path (?random/...) with a seed	2711	# a new random map path (?random/...) with a seed
2008	# that depends on the exit object	2712	# that depends on the exit object
2009		2713
2010	my $rmp = parse_random_map_params $exit->msg;	2714	my $rmp = parse_random_map_params $exit->msg;
…		…
2012	if ($exit->map) {	2716	if ($exit->map) {
2013	$rmp->{region} = $exit->region->name;	2717	$rmp->{region} = $exit->region->name;
2014	$rmp->{origin_map} = $exit->map->path;	2718	$rmp->{origin_map} = $exit->map->path;
2015	$rmp->{origin_x} = $exit->x;	2719	$rmp->{origin_x} = $exit->x;
2016	$rmp->{origin_y} = $exit->y;	2720	$rmp->{origin_y} = $exit->y;
		2721
		2722	$exit->map->touch;
2017	}	2723	}
2018		2724
2019	$rmp->{random_seed} ||= $exit->random_seed;	2725	$rmp->{random_seed} ||= $exit->random_seed;
2020		2726
2021	my $data = cf::to_json $rmp;	2727	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2022	my $md5 = Digest::MD5::md5_hex $data;	2728	my $md5 = Digest::MD5::md5_hex $data;
2023	my $meta = "$RANDOMDIR/$md5.meta";	2729	my $meta = "$RANDOMDIR/$md5.meta";
2024		2730
2025	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2731	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2026	aio_write $fh, 0, (length $data), $data, 0;	2732	aio_write $fh, 0, (length $data), $data, 0;
2027	undef $fh;	2733	undef $fh;
2028	aio_rename "$meta~", $meta;	2734	aio_rename "$meta~", $meta;
2029		2735
		2736	my $slaying = "?random/$md5";
		2737
		2738	if ($exit->valid) {
2030	$exit->slaying ("?random/$md5");	2739	$exit->slaying ("?random/$md5");
2031	$exit->msg (undef);	2740	$exit->msg (undef);
		2741	}
2032	}	2742	}
2033	}	2743	}
2034		2744
2035	sub cf::object::player::enter_exit {	2745	sub cf::object::player::enter_exit {
2036	my ($self, $exit) = @_;	2746	my ($self, $exit) = @_;
2037		2747
2038	return unless $self->type == cf::PLAYER;	2748	return unless $self->type == cf::PLAYER;
2039		2749
2040	if ($exit->slaying eq "/!") {
2041	#TODO: this should de-fi-ni-te-ly not be a sync-job
2042	# the problem is that $exit might not survive long enough
2043	# so it needs to be done right now, right here
2044	cf::sync_job { prepare_random_map $exit };
2045	}
2046
2047	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2048	my $hp = $exit->stats->hp;
2049	my $sp = $exit->stats->sp;
2050
2051	$self->enter_link;	2750	$self->enter_link;
2052		2751
2053	(async {	2752	(async {
2054	$self->deactivate_recursive; # just to be sure	2753	$Coro::current->{desc} = "enter_exit";
		2754
2055	unless (eval {	2755	unless (eval {
		2756	$self->deactivate_recursive; # just to be sure
		2757
		2758	# random map handling
		2759	{
		2760	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2761
		2762	prepare_random_map $exit
		2763	if $exit->slaying eq "/!";
		2764	}
		2765
		2766	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2767	my $x = $exit->stats->hp;
		2768	my $y = $exit->stats->sp;
		2769
2056	$self->goto ($slaying, $hp, $sp);	2770	$self->goto ($map, $x, $y);
2057		2771
		2772	# if exit is damned, update players death & WoR home-position
		2773	$self->contr->savebed ($map, $x, $y)
		2774	if $exit->flag (cf::FLAG_DAMNED);
		2775
2058	1;	2776	1
2059	}) {	2777	}) {
2060	$self->message ("Something went wrong deep within the crossfire server. "	2778	$self->message ("Something went wrong deep within the crossfire server. "
2061	. "I'll try to bring you back to the map you were before. "	2779	. "I'll try to bring you back to the map you were before. "
2062	. "Please report this to the dungeon master!",	2780	. "Please report this to the dungeon master!",
2063	cf::NDI_UNIQUE | cf::NDI_RED);	2781	cf::NDI_UNIQUE | cf::NDI_RED);
…		…
2084		2802
2085	utf8::encode $text;	2803	utf8::encode $text;
2086	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2804	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2087	}	2805	}
2088		2806
		2807	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2808
		2809	Send a drawinfo or msg packet to the client, formatting the msg for the
		2810	client if neccessary. C<$type> should be a string identifying the type of
		2811	the message, with C<log> being the default. If C<$color> is negative, suppress
		2812	the message unless the client supports the msg packet.
		2813
		2814	=cut
		2815
		2816	# non-persistent channels (usually the info channel)
		2817	our %CHANNEL = (
		2818	"c/identify" => {
		2819	id => "infobox",
		2820	title => "Identify",
		2821	reply => undef,
		2822	tooltip => "Items recently identified",
		2823	},
		2824	"c/examine" => {
		2825	id => "infobox",
		2826	title => "Examine",
		2827	reply => undef,
		2828	tooltip => "Signs and other items you examined",
		2829	},
		2830	"c/book" => {
		2831	id => "infobox",
		2832	title => "Book",
		2833	reply => undef,
		2834	tooltip => "The contents of a note or book",
		2835	},
		2836	"c/lookat" => {
		2837	id => "infobox",
		2838	title => "Look",
		2839	reply => undef,
		2840	tooltip => "What you saw there",
		2841	},
		2842	"c/who" => {
		2843	id => "infobox",
		2844	title => "Players",
		2845	reply => undef,
		2846	tooltip => "Shows players who are currently online",
		2847	},
		2848	"c/body" => {
		2849	id => "infobox",
		2850	title => "Body Parts",
		2851	reply => undef,
		2852	tooltip => "Shows which body parts you posess and are available",
		2853	},
		2854	"c/uptime" => {
		2855	id => "infobox",
		2856	title => "Uptime",
		2857	reply => undef,
		2858	tooltip => "How long the server has been running since last restart",
		2859	},
		2860	"c/mapinfo" => {
		2861	id => "infobox",
		2862	title => "Map Info",
		2863	reply => undef,
		2864	tooltip => "Information related to the maps",
		2865	},
		2866	"c/party" => {
		2867	id => "party",
		2868	title => "Party",
		2869	reply => "gsay ",
		2870	tooltip => "Messages and chat related to your party",
		2871	},
		2872	);
		2873
		2874	sub cf::client::send_msg {
		2875	my ($self, $channel, $msg, $color, @extra) = @_;
		2876
		2877	$msg = $self->pl->expand_cfpod ($msg);
		2878
		2879	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2880
		2881	# check predefined channels, for the benefit of C
		2882	if ($CHANNEL{$channel}) {
		2883	$channel = $CHANNEL{$channel};
		2884
		2885	$self->ext_msg (channel_info => $channel)
		2886	if $self->can_msg;
		2887
		2888	$channel = $channel->{id};
		2889
		2890	} elsif (ref $channel) {
		2891	# send meta info to client, if not yet sent
		2892	unless (exists $self->{channel}{$channel->{id}}) {
		2893	$self->{channel}{$channel->{id}} = $channel;
		2894	$self->ext_msg (channel_info => $channel)
		2895	if $self->can_msg;
		2896	}
		2897
		2898	$channel = $channel->{id};
		2899	}
		2900
		2901	return unless @extra || length $msg;
		2902
		2903	if ($self->can_msg) {
		2904	# default colour, mask it out
		2905	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2906	if $color & cf::NDI_DEF;
		2907
		2908	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2909	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2910	} else {
		2911	if ($color >= 0) {
		2912	# replace some tags by gcfclient-compatible ones
		2913	for ($msg) {
		2914	1 while
		2915	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2916	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2917	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2918	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2919	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2920	}
		2921
		2922	$color &= cf::NDI_COLOR_MASK;
		2923
		2924	utf8::encode $msg;
		2925
		2926	if (0 && $msg =~ /\[/) {
		2927	# COMMAND/INFO
		2928	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2929	} else {
		2930	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2931	$self->send_packet ("drawinfo $color $msg")
		2932	}
		2933	}
		2934	}
		2935	}
		2936
2089	=item $client->ext_event ($type, %msg)	2937	=item $client->ext_msg ($type, @msg)
2090		2938
2091	Sends an exti event to the client.	2939	Sends an ext event to the client.
2092		2940
2093	=cut	2941	=cut
2094		2942
2095	sub cf::client::ext_event($$%) {	2943	sub cf::client::ext_msg($$@) {
2096	my ($self, $type, %msg) = @_;	2944	my ($self, $type, @msg) = @_;
2097		2945
		2946	if ($self->extcmd == 2) {
		2947	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2948	} elsif ($self->extcmd == 1) { # TODO: remove
2098	$msg{msgtype} = "event_$type";	2949	push @msg, msgtype => "event_$type";
2099	$self->send_packet ("ext " . cf::to_json \%msg);	2950	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2951	}
		2952	}
		2953
		2954	=item $client->ext_reply ($msgid, @msg)
		2955
		2956	Sends an ext reply to the client.
		2957
		2958	=cut
		2959
		2960	sub cf::client::ext_reply($$@) {
		2961	my ($self, $id, @msg) = @_;
		2962
		2963	if ($self->extcmd == 2) {
		2964	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2965	} elsif ($self->extcmd == 1) {
		2966	#TODO: version 1, remove
		2967	unshift @msg, msgtype => "reply", msgid => $id;
		2968	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2969	}
2100	}	2970	}
2101		2971
2102	=item $success = $client->query ($flags, "text", \&cb)	2972	=item $success = $client->query ($flags, "text", \&cb)
2103		2973
2104	Queues a query to the client, calling the given callback with	2974	Queues a query to the client, calling the given callback with
2105	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2975	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2106	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2976	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2107		2977
2108	Queries can fail, so check the return code. Or don't, as queries will become	2978	Queries can fail, so check the return code. Or don't, as queries will
2109	reliable at some point in the future.	2979	become reliable at some point in the future.
2110		2980
2111	=cut	2981	=cut
2112		2982
2113	sub cf::client::query {	2983	sub cf::client::query {
2114	my ($self, $flags, $text, $cb) = @_;	2984	my ($self, $flags, $text, $cb) = @_;
…		…
2122	utf8::encode $text;	2992	utf8::encode $text;
2123	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2993	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2124		2994
2125	$self->send_packet ($self->{query_queue}[0][0])	2995	$self->send_packet ($self->{query_queue}[0][0])
2126	if @{ $self->{query_queue} } == 1;	2996	if @{ $self->{query_queue} } == 1;
		2997
		2998	1
2127	}	2999	}
2128		3000
2129	cf::client->attach (	3001	cf::client->attach (
		3002	on_connect => sub {
		3003	my ($ns) = @_;
		3004
		3005	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3006	},
2130	on_reply => sub {	3007	on_reply => sub {
2131	my ($ns, $msg) = @_;	3008	my ($ns, $msg) = @_;
2132		3009
2133	# this weird shuffling is so that direct followup queries	3010	# this weird shuffling is so that direct followup queries
2134	# get handled first	3011	# get handled first
…		…
2146	} else {	3023	} else {
2147	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2148	}	3025	}
2149	}	3026	}
2150	},	3027	},
		3028	on_exticmd => sub {
		3029	my ($ns, $buf) = @_;
		3030
		3031	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3032
		3033	if (ref $msg) {
		3034	my ($type, $reply, @payload) =
		3035	"ARRAY" eq ref $msg
		3036	? @$msg
		3037	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3038
		3039	my @reply;
		3040
		3041	if (my $cb = $EXTICMD{$type}) {
		3042	@reply = $cb->($ns, @payload);
		3043	}
		3044
		3045	$ns->ext_reply ($reply, @reply)
		3046	if $reply;
		3047
		3048	} else {
		3049	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3050	}
		3051
		3052	cf::override;
		3053	},
2151	);	3054	);
2152		3055
2153	=item $client->async (\&cb)	3056	=item $client->async (\&cb)
2154		3057
2155	Create a new coroutine, running the specified callback. The coroutine will	3058	Create a new coroutine, running the specified callback. The coroutine will
…		…
2196	our $safe = new Safe "safe";	3099	our $safe = new Safe "safe";
2197	our $safe_hole = new Safe::Hole;	3100	our $safe_hole = new Safe::Hole;
2198		3101
2199	$SIG{FPE} = 'IGNORE';	3102	$SIG{FPE} = 'IGNORE';
2200		3103
2201	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3104	$safe->permit_only (Opcode::opset qw(
		3105	:base_core :base_mem :base_orig :base_math
		3106	grepstart grepwhile mapstart mapwhile
		3107	sort time
		3108	));
2202		3109
2203	# here we export the classes and methods available to script code	3110	# here we export the classes and methods available to script code
2204		3111
2205	=pod	3112	=pod
2206		3113
2207	The following functions and methods are available within a safe environment:	3114	The following functions and methods are available within a safe environment:
2208		3115
2209	cf::object contr pay_amount pay_player map	3116	cf::object
		3117	contr pay_amount pay_player map x y force_find force_add destroy
		3118	insert remove name archname title slaying race decrease split
		3119
2210	cf::object::player player	3120	cf::object::player
2211	cf::player peaceful	3121	player
2212	cf::map trigger	3122
		3123	cf::player
		3124	peaceful
		3125
		3126	cf::map
		3127	trigger
2213		3128
2214	=cut	3129	=cut
2215		3130
2216	for (	3131	for (
2217	["cf::object" => qw(contr pay_amount pay_player map)],	3132	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3133	insert remove inv nrof name archname title slaying race
		3134	decrease split destroy change_exp)],
2218	["cf::object::player" => qw(player)],	3135	["cf::object::player" => qw(player)],
2219	["cf::player" => qw(peaceful)],	3136	["cf::player" => qw(peaceful)],
2220	["cf::map" => qw(trigger)],	3137	["cf::map" => qw(trigger)],
2221	) {	3138	) {
2222	no strict 'refs';	3139	no strict 'refs';
…		…
2293	=back	3210	=back
2294		3211
2295	=cut	3212	=cut
2296		3213
2297	#############################################################################	3214	#############################################################################
2298
2299	=head2 EXTENSION DATABASE SUPPORT
2300
2301	Crossfire maintains a very simple database for extension use. It can
2302	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2303	convert to/from binary).
2304
2305	The parameter C<$family> should best start with the name of the extension
2306	using it, it should be unique.
2307
2308	=over 4
2309
2310	=item $value = cf::db_get $family => $key
2311
2312	Returns a single value from the database.
2313
2314	=item cf::db_put $family => $key => $value
2315
2316	Stores the given C<$value> in the family.
2317
2318	=cut
2319
2320	our $DB;
2321
2322	sub db_init {
2323	unless ($DB) {
2324	$DB = BDB::db_create $DB_ENV;
2325
2326	cf::sync_job {
2327	eval {
2328	$DB->set_flags (BDB::CHKSUM);
2329
2330	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2331	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2332	cf::cleanup "db_open(db): $!" if $!;
2333	};
2334	cf::cleanup "db_open(db): $@" if $@;
2335	};
2336	}
2337	}
2338
2339	sub db_get($$) {
2340	my $key = "$_[0]/$_[1]";
2341
2342	cf::sync_job {
2343	BDB::db_get $DB, undef, $key, my $data;
2344
2345	$! ? ()
2346	: $data
2347	}
2348	}
2349
2350	sub db_put($$$) {
2351	BDB::dbreq_pri 4;
2352	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2353	}
2354
2355	=item cf::cache $id => [$paths...], $processversion => $process
2356
2357	Generic caching function that returns the value of the resource $id,
2358	caching and regenerating as required.
2359
2360	This function can block.
2361
2362	=cut
2363
2364	sub cache {
2365	my ($id, $src, $processversion, $process) = @_;
2366
2367	my $meta =
2368	join "\x00",
2369	$processversion,
2370	map {
2371	aio_stat $_
2372	and Carp::croak "$_: $!";
2373
2374	($_, (stat _)[7,9])
2375	} @$src;
2376
2377	my $dbmeta = db_get cache => "$id/meta";
2378	if ($dbmeta ne $meta) {
2379	# changed, we may need to process
2380
2381	my @data;
2382	my $md5;
2383
2384	for (0 .. $#$src) {
2385	0 <= aio_load $src->[$_], $data[$_]
2386	or Carp::croak "$src->[$_]: $!";
2387	}
2388
2389	# if processing is expensive, check
2390	# checksum first
2391	if (1) {
2392	$md5 =
2393	join "\x00",
2394	$processversion,
2395	map {
2396	Coro::cede;
2397	($src->[$_], Digest::MD5::md5_hex $data[$_])
2398	} 0.. $#$src;
2399
2400
2401	my $dbmd5 = db_get cache => "$id/md5";
2402	if ($dbmd5 eq $md5) {
2403	db_put cache => "$id/meta", $meta;
2404
2405	return db_get cache => "$id/data";
2406	}
2407	}
2408
2409	my $t1 = Time::HiRes::time;
2410	my $data = $process->(\@data);
2411	my $t2 = Time::HiRes::time;
2412
2413	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2414
2415	db_put cache => "$id/data", $data;
2416	db_put cache => "$id/md5" , $md5;
2417	db_put cache => "$id/meta", $meta;
2418
2419	return $data;
2420	}
2421
2422	db_get cache => "$id/data"
2423	}
2424
2425	=item fork_call { }, $args
2426
2427	Executes the given code block with the given arguments in a seperate
2428	process, returning the results. Everything must be serialisable with
2429	Coro::Storable. May, of course, block. Note that the executed sub may
2430	never block itself or use any form of Event handling.
2431
2432	=cut
2433
2434	sub fork_call(&@) {
2435	my ($cb, @args) = @_;
2436
2437	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2438	# or die "socketpair: $!";
2439	pipe my $fh1, my $fh2
2440	or die "pipe: $!";
2441
2442	if (my $pid = fork) {
2443	close $fh2;
2444
2445	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2446	$res = Coro::Storable::thaw $res;
2447
2448	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2449
2450	die $$res unless "ARRAY" eq ref $res;
2451
2452	return wantarray ? @$res : $res->[-1];
2453	} else {
2454	reset_signals;
2455	local $SIG{__WARN__};
2456	local $SIG{__DIE__};
2457	eval {
2458	close $fh1;
2459
2460	my @res = eval { $cb->(@args) };
2461	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2462	};
2463
2464	warn $@ if $@;
2465	_exit 0;
2466	}
2467	}
2468
2469
2470
2471	#############################################################################
2472	# the server's init and main functions	3215	# the server's init and main functions
2473		3216
2474	sub load_facedata($) {	3217	sub load_facedata($) {
2475	my ($path) = @_;	3218	my ($path) = @_;
		3219
		3220	# HACK to clear player env face cache, we need some signal framework
		3221	# for this (global event?)
		3222	%ext::player_env::MUSIC_FACE_CACHE = ();
		3223
		3224	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2476		3225
2477	warn "loading facedata from $path\n";	3226	warn "loading facedata from $path\n";
2478		3227
2479	my $facedata;	3228	my $facedata;
2480	0 < aio_load $path, $facedata	3229	0 < aio_load $path, $facedata
…		…
2483	$facedata = Coro::Storable::thaw $facedata;	3232	$facedata = Coro::Storable::thaw $facedata;
2484		3233
2485	$facedata->{version} == 2	3234	$facedata->{version} == 2
2486	or cf::cleanup "$path: version mismatch, cannot proceed.";	3235	or cf::cleanup "$path: version mismatch, cannot proceed.";
2487		3236
		3237	# patch in the exptable
		3238	$facedata->{resource}{"res/exp_table"} = {
		3239	type => FT_RSRC,
		3240	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3241	};
		3242	cf::cede_to_tick;
		3243
2488	{	3244	{
2489	my $faces = $facedata->{faceinfo};	3245	my $faces = $facedata->{faceinfo};
2490		3246
2491	while (my ($face, $info) = each %$faces) {	3247	while (my ($face, $info) = each %$faces) {
2492	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3248	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3249
2493	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3250	cf::face::set_visibility $idx, $info->{visibility};
		3251	cf::face::set_magicmap $idx, $info->{magicmap};
2494	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3252	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2495	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3253	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2496	Coro::cede;	3254
		3255	cf::cede_to_tick;
2497	}	3256	}
2498		3257
2499	while (my ($face, $info) = each %$faces) {	3258	while (my ($face, $info) = each %$faces) {
2500	next unless $info->{smooth};	3259	next unless $info->{smooth};
		3260
2501	my $idx = cf::face::find $face	3261	my $idx = cf::face::find $face
2502	or next;	3262	or next;
		3263
2503	if (my $smooth = cf::face::find $info->{smooth}) {	3264	if (my $smooth = cf::face::find $info->{smooth}) {
		3265	cf::face::set_smooth $idx, $smooth;
2504	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3266	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2505	} else {	3267	} else {
2506	warn "smooth face '$info->{smooth}' not found for face '$face'";	3268	warn "smooth face '$info->{smooth}' not found for face '$face'";
2507	}	3269	}
2508	Coro::cede;	3270
		3271	cf::cede_to_tick;
2509	}	3272	}
2510	}	3273	}
2511		3274
2512	{	3275	{
2513	my $anims = $facedata->{animinfo};	3276	my $anims = $facedata->{animinfo};
2514		3277
2515	while (my ($anim, $info) = each %$anims) {	3278	while (my ($anim, $info) = each %$anims) {
2516	cf::anim::set $anim, $info->{frames}, $info->{facings};	3279	cf::anim::set $anim, $info->{frames}, $info->{facings};
2517	Coro::cede;	3280	cf::cede_to_tick;
2518	}	3281	}
2519		3282
2520	cf::anim::invalidate_all; # d'oh	3283	cf::anim::invalidate_all; # d'oh
2521	}	3284	}
2522		3285
		3286	{
		3287	# TODO: for gcfclient pleasure, we should give resources
		3288	# that gcfclient doesn't grok a >10000 face index.
		3289	my $res = $facedata->{resource};
		3290
		3291	while (my ($name, $info) = each %$res) {
		3292	if (defined $info->{type}) {
		3293	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3294	my $data;
		3295
		3296	if ($info->{type} & 1) {
		3297	# prepend meta info
		3298
		3299	my $meta = $enc->encode ({
		3300	name => $name,
		3301	%{ $info->{meta} || {} },
		3302	});
		3303
		3304	$data = pack "(w/a*)*", $meta, $info->{data};
		3305	} else {
		3306	$data = $info->{data};
		3307	}
		3308
		3309	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3310	cf::face::set_type $idx, $info->{type};
		3311	} else {
		3312	$RESOURCE{$name} = $info;
		3313	}
		3314
		3315	cf::cede_to_tick;
		3316	}
		3317	}
		3318
		3319	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3320
2523	1	3321	1
2524	}	3322	}
2525		3323
		3324	cf::global->attach (on_resource_update => sub {
		3325	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3326	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3327
		3328	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3329	my $sound = $soundconf->{compat}[$_]
		3330	or next;
		3331
		3332	my $face = cf::face::find "sound/$sound->[1]";
		3333	cf::sound::set $sound->[0] => $face;
		3334	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3335	}
		3336
		3337	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3338	my $face = cf::face::find "sound/$v";
		3339	cf::sound::set $k => $face;
		3340	}
		3341	}
		3342	});
		3343
		3344	register_exticmd fx_want => sub {
		3345	my ($ns, $want) = @_;
		3346
		3347	while (my ($k, $v) = each %$want) {
		3348	$ns->fx_want ($k, $v);
		3349	}
		3350	};
		3351
		3352	sub load_resource_file($) {
		3353	my $guard = lock_acquire "load_resource_file";
		3354
		3355	my $status = load_resource_file_ $_[0];
		3356	get_slot 0.1, 100;
		3357	cf::arch::commit_load;
		3358
		3359	$status
		3360	}
		3361
2526	sub reload_regions {	3362	sub reload_regions {
		3363	# HACK to clear player env face cache, we need some signal framework
		3364	# for this (global event?)
		3365	%ext::player_env::MUSIC_FACE_CACHE = ();
		3366
2527	load_resource_file "$MAPDIR/regions"	3367	load_resource_file "$MAPDIR/regions"
2528	or die "unable to load regions file\n";	3368	or die "unable to load regions file\n";
		3369
		3370	for (cf::region::list) {
		3371	$_->{match} = qr/$_->{match}/
		3372	if exists $_->{match};
		3373	}
2529	}	3374	}
2530		3375
2531	sub reload_facedata {	3376	sub reload_facedata {
2532	load_facedata "$DATADIR/facedata"	3377	load_facedata "$DATADIR/facedata"
2533	or die "unable to load facedata\n";	3378	or die "unable to load facedata\n";
…		…
2544	}	3389	}
2545		3390
2546	sub reload_resources {	3391	sub reload_resources {
2547	warn "reloading resource files...\n";	3392	warn "reloading resource files...\n";
2548		3393
2549	reload_regions;
2550	reload_facedata;	3394	reload_facedata;
2551	reload_archetypes;	3395	reload_archetypes;
		3396	reload_regions;
2552	reload_treasures;	3397	reload_treasures;
2553		3398
2554	warn "finished reloading resource files\n";	3399	warn "finished reloading resource files\n";
2555	}	3400	}
2556		3401
2557	sub init {	3402	sub init {
		3403	my $guard = freeze_mainloop;
		3404
		3405	evthread_start IO::AIO::poll_fileno;
		3406
2558	reload_resources;	3407	reload_resources;
2559	}	3408	}
2560		3409
2561	sub cfg_load {	3410	sub reload_config {
2562	open my $fh, "<:utf8", "$CONFDIR/config"	3411	open my $fh, "<:utf8", "$CONFDIR/config"
2563	or return;	3412	or return;
2564		3413
2565	local $/;	3414	local $/;
2566	*CFG = YAML::Syck::Load <$fh>;	3415	*CFG = YAML::Load <$fh>;
2567		3416
2568	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3417	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2569		3418
2570	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3419	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2571	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3420	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2582	sub main {	3431	sub main {
2583	# we must not ever block the main coroutine	3432	# we must not ever block the main coroutine
2584	local $Coro::idle = sub {	3433	local $Coro::idle = sub {
2585	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3434	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2586	(async {	3435	(async {
2587	Event::one_event;	3436	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3437	EV::loop EV::LOOP_ONESHOT;
2588	})->prio (Coro::PRIO_MAX);	3438	})->prio (Coro::PRIO_MAX);
2589	};	3439	};
2590		3440
2591	cfg_load;	3441	{
		3442	my $guard = freeze_mainloop;
		3443	reload_config;
2592	db_init;	3444	db_init;
2593	load_extensions;	3445	load_extensions;
2594		3446
2595	$TICK_WATCHER->start;	3447	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3448	}
		3449
2596	Event::loop;	3450	EV::loop;
2597	}	3451	}
2598		3452
2599	#############################################################################	3453	#############################################################################
2600	# initialisation and cleanup	3454	# initialisation and cleanup
2601		3455
2602	# install some emergency cleanup handlers	3456	# install some emergency cleanup handlers
2603	BEGIN {	3457	BEGIN {
		3458	our %SIGWATCHER = ();
2604	for my $signal (qw(INT HUP TERM)) {	3459	for my $signal (qw(INT HUP TERM)) {
2605	Event->signal (	3460	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2606	reentrant => 0,
2607	data => WF_AUTOCANCEL,
2608	signal => $signal,
2609	prio => 0,
2610	cb => sub {
2611	cf::cleanup "SIG$signal";	3461	cf::cleanup "SIG$signal";
2612	},
2613	);	3462	};
		3463	}
		3464	}
		3465
		3466	sub write_runtime_sync {
		3467	my $runtime = "$LOCALDIR/runtime";
		3468
		3469	# first touch the runtime file to show we are still running:
		3470	# the fsync below can take a very very long time.
		3471
		3472	IO::AIO::aio_utime $runtime, undef, undef;
		3473
		3474	my $guard = cf::lock_acquire "write_runtime";
		3475
		3476	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3477	or return;
		3478
		3479	my $value = $cf::RUNTIME + 90 + 10;
		3480	# 10 is the runtime save interval, for a monotonic clock
		3481	# 60 allows for the watchdog to kill the server.
		3482
		3483	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3484	and return;
		3485
		3486	# always fsync - this file is important
		3487	aio_fsync $fh
		3488	and return;
		3489
		3490	# touch it again to show we are up-to-date
		3491	aio_utime $fh, undef, undef;
		3492
		3493	close $fh
		3494	or return;
		3495
		3496	aio_rename "$runtime~", $runtime
		3497	and return;
		3498
		3499	warn "runtime file written.\n";
		3500
2614	}	3501	1
		3502	}
		3503
		3504	our $uuid_lock;
		3505	our $uuid_skip;
		3506
		3507	sub write_uuid_sync($) {
		3508	$uuid_skip ||= $_[0];
		3509
		3510	return if $uuid_lock;
		3511	local $uuid_lock = 1;
		3512
		3513	my $uuid = "$LOCALDIR/uuid";
		3514
		3515	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3516	or return;
		3517
		3518	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3519	$uuid_skip = 0;
		3520
		3521	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3522	and return;
		3523
		3524	# always fsync - this file is important
		3525	aio_fsync $fh
		3526	and return;
		3527
		3528	close $fh
		3529	or return;
		3530
		3531	aio_rename "$uuid~", $uuid
		3532	and return;
		3533
		3534	warn "uuid file written ($value).\n";
		3535
		3536	1
		3537
		3538	}
		3539
		3540	sub write_uuid($$) {
		3541	my ($skip, $sync) = @_;
		3542
		3543	$sync ? write_uuid_sync $skip
		3544	: async { write_uuid_sync $skip };
2615	}	3545	}
2616		3546
2617	sub emergency_save() {	3547	sub emergency_save() {
2618	my $freeze_guard = cf::freeze_mainloop;	3548	my $freeze_guard = cf::freeze_mainloop;
2619		3549
…		…
2625	# and maps saved/destroyed asynchronously.	3555	# and maps saved/destroyed asynchronously.
2626	warn "begin emergency player save\n";	3556	warn "begin emergency player save\n";
2627	for my $login (keys %cf::PLAYER) {	3557	for my $login (keys %cf::PLAYER) {
2628	my $pl = $cf::PLAYER{$login} or next;	3558	my $pl = $cf::PLAYER{$login} or next;
2629	$pl->valid or next;	3559	$pl->valid or next;
		3560	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2630	$pl->save;	3561	$pl->save;
2631	}	3562	}
2632	warn "end emergency player save\n";	3563	warn "end emergency player save\n";
2633		3564
2634	warn "begin emergency map save\n";	3565	warn "begin emergency map save\n";
…		…
2640	warn "end emergency map save\n";	3571	warn "end emergency map save\n";
2641		3572
2642	warn "begin emergency database checkpoint\n";	3573	warn "begin emergency database checkpoint\n";
2643	BDB::db_env_txn_checkpoint $DB_ENV;	3574	BDB::db_env_txn_checkpoint $DB_ENV;
2644	warn "end emergency database checkpoint\n";	3575	warn "end emergency database checkpoint\n";
		3576
		3577	warn "begin write uuid\n";
		3578	write_uuid_sync 1;
		3579	warn "end write uuid\n";
2645	};	3580	};
2646		3581
2647	warn "leave emergency perl save\n";	3582	warn "leave emergency perl save\n";
2648	}	3583	}
2649		3584
…		…
2664	warn "reloading...";	3599	warn "reloading...";
2665		3600
2666	warn "entering sync_job";	3601	warn "entering sync_job";
2667		3602
2668	cf::sync_job {	3603	cf::sync_job {
2669	cf::write_runtime; # external watchdog should not bark	3604	cf::write_runtime_sync; # external watchdog should not bark
2670	cf::emergency_save;	3605	cf::emergency_save;
2671	cf::write_runtime; # external watchdog should not bark	3606	cf::write_runtime_sync; # external watchdog should not bark
2672		3607
2673	warn "syncing database to disk";	3608	warn "syncing database to disk";
2674	BDB::db_env_txn_checkpoint $DB_ENV;	3609	BDB::db_env_txn_checkpoint $DB_ENV;
2675		3610
2676	# if anything goes wrong in here, we should simply crash as we already saved	3611	# if anything goes wrong in here, we should simply crash as we already saved
2677
2678	warn "cancelling all WF_AUTOCANCEL watchers";
2679	for (Event::all_watchers) {
2680	$_->cancel if $_->data & WF_AUTOCANCEL;
2681	}
2682		3612
2683	warn "flushing outstanding aio requests";	3613	warn "flushing outstanding aio requests";
2684	for (;;) {	3614	for (;;) {
2685	BDB::flush;	3615	BDB::flush;
2686	IO::AIO::flush;	3616	IO::AIO::flush;
2687	Coro::cede;	3617	Coro::cede_notself;
2688	last unless IO::AIO::nreqs || BDB::nreqs;	3618	last unless IO::AIO::nreqs || BDB::nreqs;
2689	warn "iterate...";	3619	warn "iterate...";
2690	}	3620	}
2691		3621
2692	++$RELOAD;	3622	++$RELOAD;
…		…
2696	%EXT_CORO = ();	3626	%EXT_CORO = ();
2697		3627
2698	warn "removing commands";	3628	warn "removing commands";
2699	%COMMAND = ();	3629	%COMMAND = ();
2700		3630
2701	warn "removing ext commands";	3631	warn "removing ext/exti commands";
2702	%EXTCMD = ();	3632	%EXTCMD = ();
		3633	%EXTICMD = ();
2703		3634
2704	warn "unloading/nuking all extensions";	3635	warn "unloading/nuking all extensions";
2705	for my $pkg (@EXTS) {	3636	for my $pkg (@EXTS) {
2706	warn "... unloading $pkg";	3637	warn "... unloading $pkg";
2707		3638
…		…
2750	warn "reloading cf.pm";	3681	warn "reloading cf.pm";
2751	require cf;	3682	require cf;
2752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3683	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2753		3684
2754	warn "loading config and database again";	3685	warn "loading config and database again";
2755	cf::cfg_load;	3686	cf::reload_config;
2756		3687
2757	warn "loading extensions";	3688	warn "loading extensions";
2758	cf::load_extensions;	3689	cf::load_extensions;
2759		3690
2760	warn "reattaching attachments to objects/players";	3691	warn "reattaching attachments to objects/players";
…		…
2767	warn "leaving sync_job";	3698	warn "leaving sync_job";
2768		3699
2769	1	3700	1
2770	} or do {	3701	} or do {
2771	warn $@;	3702	warn $@;
2772	warn "error while reloading, exiting.";	3703	cf::cleanup "error while reloading, exiting.";
2773	exit 1;
2774	};	3704	};
2775		3705
2776	warn "reloaded";	3706	warn "reloaded";
2777	};	3707	};
2778		3708
…		…
2780		3710
2781	sub reload_perl() {	3711	sub reload_perl() {
2782	# doing reload synchronously and two reloads happen back-to-back,	3712	# doing reload synchronously and two reloads happen back-to-back,
2783	# coro crashes during coro_state_free->destroy here.	3713	# coro crashes during coro_state_free->destroy here.
2784		3714
2785	$RELOAD_WATCHER ||= Event->timer (	3715	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2786	reentrant => 0,
2787	after => 0,
2788	data => WF_AUTOCANCEL,
2789	cb => sub {
2790	do_reload_perl;	3716	do_reload_perl;
2791	undef $RELOAD_WATCHER;	3717	undef $RELOAD_WATCHER;
2792	},
2793	);	3718	};
2794	}	3719	}
2795		3720
2796	register_command "reload" => sub {	3721	register_command "reload" => sub {
2797	my ($who, $arg) = @_;	3722	my ($who, $arg) = @_;
2798		3723
2799	if ($who->flag (FLAG_WIZ)) {	3724	if ($who->flag (FLAG_WIZ)) {
2800	$who->message ("reloading server.");	3725	$who->message ("reloading server.");
		3726	async {
		3727	$Coro::current->{desc} = "perl_reload";
2801	async { reload_perl };	3728	reload_perl;
		3729	};
2802	}	3730	}
2803	};	3731	};
2804		3732
2805	unshift @INC, $LIBDIR;	3733	unshift @INC, $LIBDIR;
2806		3734
…		…
2808		3736
2809	our @WAIT_FOR_TICK;	3737	our @WAIT_FOR_TICK;
2810	our @WAIT_FOR_TICK_BEGIN;	3738	our @WAIT_FOR_TICK_BEGIN;
2811		3739
2812	sub wait_for_tick {	3740	sub wait_for_tick {
2813	return unless $TICK_WATCHER->is_active;
2814	return if $Coro::current == $Coro::main;	3741	return if tick_inhibit || $Coro::current == $Coro::main;
2815		3742
2816	my $signal = new Coro::Signal;	3743	my $signal = new Coro::Signal;
2817	push @WAIT_FOR_TICK, $signal;	3744	push @WAIT_FOR_TICK, $signal;
2818	$signal->wait;	3745	$signal->wait;
2819	}	3746	}
2820		3747
2821	sub wait_for_tick_begin {	3748	sub wait_for_tick_begin {
2822	return unless $TICK_WATCHER->is_active;
2823	return if $Coro::current == $Coro::main;	3749	return if tick_inhibit || $Coro::current == $Coro::main;
2824		3750
2825	my $signal = new Coro::Signal;	3751	my $signal = new Coro::Signal;
2826	push @WAIT_FOR_TICK_BEGIN, $signal;	3752	push @WAIT_FOR_TICK_BEGIN, $signal;
2827	$signal->wait;	3753	$signal->wait;
2828	}	3754	}
2829		3755
2830	$TICK_WATCHER = Event->timer (	3756	sub tick {
2831	reentrant => 0,
2832	parked => 1,
2833	prio => 0,
2834	at => $NEXT_TICK || $TICK,
2835	data => WF_AUTOCANCEL,
2836	cb => sub {
2837	if ($Coro::current != $Coro::main) {	3757	if ($Coro::current != $Coro::main) {
2838	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3758	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2839	unless ++$bug_warning > 10;	3759	unless ++$bug_warning > 10;
2840	return;	3760	return;
2841	}	3761	}
2842		3762
2843	$NOW = Event::time;
2844
2845	cf::server_tick; # one server iteration	3763	cf::server_tick; # one server iteration
2846		3764
2847	$RUNTIME += $TICK;
2848	$NEXT_TICK += $TICK;
2849
2850	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3765	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2851	$NEXT_RUNTIME_WRITE = $NOW + 10;	3766	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2852	Coro::async_pool {	3767	Coro::async_pool {
		3768	$Coro::current->{desc} = "runtime saver";
2853	write_runtime	3769	write_runtime_sync
2854	or warn "ERROR: unable to write runtime file: $!";	3770	or warn "ERROR: unable to write runtime file: $!";
2855	};
2856	}	3771	};
		3772	}
2857		3773
2858	# my $AFTER = Event::time;
2859	# warn $AFTER - $NOW;#d#
2860
2861	# if we are delayed by four ticks or more, skip them all
2862	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2863
2864	$TICK_WATCHER->at ($NEXT_TICK);
2865	$TICK_WATCHER->start;
2866
2867	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3774	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2868	$sig->send;	3775	$sig->send;
2869	}	3776	}
2870	while (my $sig = shift @WAIT_FOR_TICK) {	3777	while (my $sig = shift @WAIT_FOR_TICK) {
2871	$sig->send;	3778	$sig->send;
2872	}
2873
2874	_post_tick;
2875	},	3779	}
2876	);	3780
		3781	$LOAD = ($NOW - $TICK_START) / $TICK;
		3782	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3783
		3784	if (0) {
		3785	if ($NEXT_TICK) {
		3786	my $jitter = $TICK_START - $NEXT_TICK;
		3787	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3788	warn "jitter $JITTER\n";#d#
		3789	}
		3790	}
		3791	}
2877		3792
2878	{	3793	{
2879	BDB::max_poll_time $TICK * 0.1;	3794	# configure BDB
2880	$BDB_POLL_WATCHER = Event->io (	3795
2881	reentrant => 0,
2882	fd => BDB::poll_fileno,
2883	poll => 'r',
2884	prio => 0,
2885	data => WF_AUTOCANCEL,
2886	cb => \&BDB::poll_cb,
2887	);
2888	BDB::min_parallel 8;	3796	BDB::min_parallel 8;
2889		3797	BDB::max_poll_reqs $TICK * 0.1;
2890	BDB::set_sync_prepare {	3798	$AnyEvent::BDB::WATCHER->priority (1);
2891	my $status;
2892	my $current = $Coro::current;
2893	(
2894	sub {
2895	$status = $!;
2896	$current->ready; undef $current;
2897	},
2898	sub {
2899	Coro::schedule while defined $current;
2900	$! = $status;
2901	},
2902	)
2903	};
2904		3799
2905	unless ($DB_ENV) {	3800	unless ($DB_ENV) {
2906	$DB_ENV = BDB::db_env_create;	3801	$DB_ENV = BDB::db_env_create;
		3802	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3803	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3804	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3805	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3806	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2907		3807
2908	cf::sync_job {	3808	cf::sync_job {
2909	eval {	3809	eval {
2910	BDB::db_env_open	3810	BDB::db_env_open
2911	$DB_ENV,	3811	$DB_ENV,
…		…
2913	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3813	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2914	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3814	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2915	0666;	3815	0666;
2916		3816
2917	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3817	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2918
2919	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2920	$DB_ENV->set_lk_detect;
2921	};	3818	};
2922		3819
2923	cf::cleanup "db_env_open(db): $@" if $@;	3820	cf::cleanup "db_env_open(db): $@" if $@;
2924	};	3821	};
2925	}	3822	}
		3823
		3824	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3825	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3826	};
		3827	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3828	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3829	};
		3830	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3831	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3832	};
2926	}	3833	}
2927		3834
2928	{	3835	{
		3836	# configure IO::AIO
		3837
2929	IO::AIO::min_parallel 8;	3838	IO::AIO::min_parallel 8;
2930
2931	undef $Coro::AIO::WATCHER;
2932	IO::AIO::max_poll_time $TICK * 0.1;	3839	IO::AIO::max_poll_time $TICK * 0.1;
2933	$AIO_POLL_WATCHER = Event->io (	3840	undef $AnyEvent::AIO::WATCHER;
2934	reentrant => 0,
2935	data => WF_AUTOCANCEL,
2936	fd => IO::AIO::poll_fileno,
2937	poll => 'r',
2938	prio => 6,
2939	cb => \&IO::AIO::poll_cb,
2940	);
2941	}	3841	}
2942		3842
2943	my $_log_backtrace;	3843	my $_log_backtrace;
2944		3844
2945	sub _log_backtrace {	3845	sub _log_backtrace {
…		…
2949		3849
2950	# limit the # of concurrent backtraces	3850	# limit the # of concurrent backtraces
2951	if ($_log_backtrace < 2) {	3851	if ($_log_backtrace < 2) {
2952	++$_log_backtrace;	3852	++$_log_backtrace;
2953	async {	3853	async {
		3854	$Coro::current->{desc} = "abt $msg";
		3855
2954	my @bt = fork_call {	3856	my @bt = fork_call {
2955	@addr = map { sprintf "%x", $_ } @addr;	3857	@addr = map { sprintf "%x", $_ } @addr;
2956	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3858	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2957	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3859	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2958	or die "addr2line: $!";	3860	or die "addr2line: $!";

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