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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.270 by root, Sat May 26 15:44:06 2007 UTC vs.
Revision 1.531 by root, Wed Apr 28 21:07:41 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# 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 Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
		55	use JSON::XS 2.01 ();
25	use BDB ();	56	use BDB ();
26	use Data::Dumper;	57	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	58	use Fcntl;
29	use YAML::Syck ();	59	use YAML::XS ();
30	use IO::AIO 2.32 ();	60	use IO::AIO ();
31	use Time::HiRes;	61	use Time::HiRes;
32	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
33		66
34	# configure various modules to our taste	67	# configure various modules to our taste
35	#	68	#
36	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		77
40	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
41		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
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
46		80
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
71		118
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	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	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	121	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
82		130
83	our %CFG;	131	our %CFG;
84		132
85	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
87		136
88	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
91		140
92	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		143
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
98		153
99	binmode STDOUT;	154	binmode STDOUT;
100	binmode STDERR;	155	binmode STDERR;
101		156
102	# read virtual server time, if available	157	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
107	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
108		165
109	mkdir $_	166	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		168
112	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
113		170
114	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		187
116	#############################################################################	188	#############################################################################
117		189
118	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
119		191
…		…
155		227
156	The raw value load value from the last tick.	228	The raw value load value from the last tick.
157		229
158	=item %cf::CFG	230	=item %cf::CFG
159		231
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	233	from wherever your confdir points to.
162		234
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		236
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
		252
169	=back	253	=back
170		254
171	=cut	255	=cut
172		256
173	BEGIN {	257	$Coro::State::WARNHOOK = sub {
174	*CORE::GLOBAL::warn = sub {
175	my $msg = join "", @_;	258	my $msg = join "", @_;
176		259
177	$msg .= "\n"	260	$msg .= "\n"
178	unless $msg =~ /\n$/;	261	unless $msg =~ /\n$/;
179		262
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	263	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		264
182	utf8::encode $msg;
183	LOG llevError, $msg;	265	LOG llevError, $msg;
184	};	266	};
185	}	267
		268	$Coro::State::DIEHOOK = sub {
		269	return unless $^S eq 0; # "eq", not "=="
		270
		271	warn Carp::longmess $_[0];
		272
		273	if (in_main) {#d#
		274	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		275	return;#d#
		276	}#d#
		277
		278	# kill coroutine otherwise
		279	Coro::terminate
		280	};
186		281
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	282	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	283	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	284	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	285	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	286	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		287	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	288	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		289
194	# we bless all objects into (empty) derived classes to force a method lookup	290	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	291	# within the Safe compartment.
196	for my $pkg (qw(	292	for my $pkg (qw(
197	cf::global cf::attachable	293	cf::global cf::attachable
198	cf::object cf::object::player	294	cf::object cf::object::player
199	cf::client cf::player	295	cf::client cf::player
200	cf::arch cf::living	296	cf::arch cf::living
		297	cf::map cf::mapspace
201	cf::map cf::party cf::region	298	cf::party cf::region
202	)) {	299	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	300	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	301	}
206		302
207	$Event::DIED = sub {	303	$EV::DIED = sub {
208	warn "error in event callback: @_";	304	Carp::cluck "error in event callback: @_";
209	};	305	};
		306
		307	#############################################################################
210		308
211	=head2 UTILITY FUNCTIONS	309	=head2 UTILITY FUNCTIONS
212		310
213	=over 4	311	=over 4
214		312
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	331	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	332	$d
235	} || "[unable to dump $_[0]: '$@']";	333	} || "[unable to dump $_[0]: '$@']";
236	}	334	}
237		335
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	336	=item $ref = cf::decode_json $json
241		337
242	Converts a JSON string into the corresponding perl data structure.	338	Converts a JSON string into the corresponding perl data structure.
243		339
244	=item $json = cf::to_json $ref	340	=item $json = cf::encode_json $ref
245		341
246	Converts a perl data structure into its JSON representation.	342	Converts a perl data structure into its JSON representation.
247		343
		344	=cut
		345
		346	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		347
		348	sub encode_json($) { $json_coder->encode ($_[0]) }
		349	sub decode_json($) { $json_coder->decode ($_[0]) }
		350
		351	=item cf::post_init { BLOCK }
		352
		353	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		354	but I<before> the server starts ticking again.
		355
		356	The cdoeblock will have a single boolean argument to indicate whether this
		357	is a reload or not.
		358
		359	=cut
		360
		361	sub post_init(&) {
		362	push @POST_INIT, shift;
		363	}
		364
248	=item cf::lock_wait $string	365	=item cf::lock_wait $string
249		366
250	Wait until the given lock is available. See cf::lock_acquire.	367	Wait until the given lock is available. See cf::lock_acquire.
251		368
252	=item my $lock = cf::lock_acquire $string	369	=item my $lock = cf::lock_acquire $string
253		370
254	Wait until the given lock is available and then acquires it and returns	371	Wait until the given lock is available and then acquires it and returns
255	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	372	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
256	for example when the coroutine gets canceled), the lock is automatically	373	for example when the coroutine gets canceled), the lock is automatically
257	returned.	374	returned.
258		375
		376	Locks are *not* recursive, locking from the same coro twice results in a
		377	deadlocked coro.
		378
259	Lock names should begin with a unique identifier (for example, cf::map::find	379	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	380	uses map_find and cf::map::load uses map_load).
261		381
262	=item $locked = cf::lock_active $string	382	=item $locked = cf::lock_active $string
263		383
264	Return true if the lock is currently active, i.e. somebody has locked it.	384	Return true if the lock is currently active, i.e. somebody has locked it.
265		385
266	=cut	386	=cut
267		387
268	our %LOCK;	388	our $LOCKS = new Coro::SemaphoreSet;
269		389
270	sub lock_wait($) {	390	sub lock_wait($) {
271	my ($key) = @_;	391	$LOCKS->wait ($_[0]);
272
273	# wait for lock, if any
274	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;
277	}
278	}	392	}
279		393
280	sub lock_acquire($) {	394	sub lock_acquire($) {
281	my ($key) = @_;	395	$LOCKS->guard ($_[0])
282
283	# wait, to be sure we are not locked
284	lock_wait $key;
285
286	$LOCK{$key} = [];
287
288	Coro::guard {
289	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };
291	}
292	}	396	}
293		397
294	sub lock_active($) {	398	sub lock_active($) {
295	my ($key) = @_;	399	$LOCKS->count ($_[0]) < 1
296
297	! ! $LOCK{$key}
298	}	400	}
299		401
300	sub freeze_mainloop {	402	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	403	tick_inhibit_inc;
302		404
303	my $guard = Coro::guard {	405	&Guard::guard (\&tick_inhibit_dec);
304	$TICK_WATCHER->start;	406	}
		407
		408	=item cf::periodic $interval, $cb
		409
		410	Like EV::periodic, but randomly selects a starting point so that the actions
		411	get spread over time.
		412
		413	=cut
		414
		415	sub periodic($$) {
		416	my ($interval, $cb) = @_;
		417
		418	my $start = rand List::Util::min 180, $interval;
		419
		420	EV::periodic $start, $interval, 0, $cb
		421	}
		422
		423	=item cf::get_slot $time[, $priority[, $name]]
		424
		425	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		426	This call blocks and returns only when you have at least C<$time> seconds
		427	of cpu time till the next tick. The slot is only valid till the next cede.
		428
		429	The optional C<$name> can be used to identify the job to run. It might be
		430	used for statistical purposes and should identify the same time-class.
		431
		432	Useful for short background jobs.
		433
		434	=cut
		435
		436	our @SLOT_QUEUE;
		437	our $SLOT_QUEUE;
		438	our $SLOT_DECAY = 0.9;
		439
		440	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		441	$SLOT_QUEUE = Coro::async {
		442	$Coro::current->desc ("timeslot manager");
		443
		444	my $signal = new Coro::Signal;
		445	my $busy;
		446
		447	while () {
		448	next_job:
		449
		450	my $avail = cf::till_tick;
		451
		452	for (0 .. $#SLOT_QUEUE) {
		453	if ($SLOT_QUEUE[$_][0] <= $avail) {
		454	$busy = 0;
		455	my $job = splice @SLOT_QUEUE, $_, 1, ();
		456	$job->[2]->send;
		457	Coro::cede;
		458	goto next_job;
		459	} else {
		460	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		461	}
		462	}
		463
		464	if (@SLOT_QUEUE) {
		465	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		466	push @cf::WAIT_FOR_TICK, $signal;
		467	$signal->wait;
		468	} else {
		469	$busy = 0;
		470	Coro::schedule;
		471	}
305	};	472	}
306	$TICK_WATCHER->stop;	473	};
307	$guard	474
		475	sub get_slot($;$$) {
		476	return if tick_inhibit || $Coro::current == $Coro::main;
		477
		478	my ($time, $pri, $name) = @_;
		479
		480	$time = clamp $time, 0.01, $TICK * .6;
		481
		482	my $sig = new Coro::Signal;
		483
		484	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		485	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		486	$SLOT_QUEUE->ready;
		487	$sig->wait;
308	}	488	}
309		489
310	=item cf::async { BLOCK }	490	=item cf::async { BLOCK }
311		491
312	Currently the same as Coro::async_pool, meaning you cannot use	492	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		497
318	BEGIN { *async = \&Coro::async_pool }	498	BEGIN { *async = \&Coro::async_pool }
319		499
320	=item cf::sync_job { BLOCK }	500	=item cf::sync_job { BLOCK }
321		501
322	The design of crossfire+ requires that the main coro ($Coro::main) is	502	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	503	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	504	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		505	acceptable.
325		506
326	If it must be done, put the blocking parts into C<sync_job>. This will run	507	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	508	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	509	server will be frozen during this time, so the block should either finish
329	fast or be very important.	510	fast or be very important.
…		…
332		513
333	sub sync_job(&) {	514	sub sync_job(&) {
334	my ($job) = @_;	515	my ($job) = @_;
335		516
336	if ($Coro::current == $Coro::main) {	517	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	518	my $time = AE::time;
338		519
339	# this is the main coro, too bad, we have to block	520	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	521	# till the operation succeeds, freezing the server :/
341		522
342	# TODO: use suspend/resume instead	523	LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	524
344	my $freeze_guard = freeze_mainloop;	525	my $freeze_guard = freeze_mainloop;
345		526
346	my $busy = 1;	527	my $busy = 1;
347	my @res;	528	my @res;
348		529
349	(async {	530	(async {
		531	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	532	@res = eval { $job->() };
351	warn $@ if $@;	533	warn $@ if $@;
352	undef $busy;	534	undef $busy;
353	})->prio (Coro::PRIO_MAX);	535	})->prio (Coro::PRIO_MAX);
354		536
355	while ($busy) {	537	while ($busy) {
356	Coro::cede or Event::one_event;	538	if (Coro::nready) {
		539	Coro::cede_notself;
		540	} else {
		541	EV::loop EV::LOOP_ONESHOT;
357	}	542	}
		543	}
358		544
359	$time = Event::time - $time;	545	my $time = AE::time - $time;
360		546
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364	$tick_start += $time; # do not account sync jobs to server load	547	$TICK_START += $time; # do not account sync jobs to server load
365		548
366	wantarray ? @res : $res[0]	549	wantarray ? @res : $res[0]
367	} else {	550	} else {
368	# we are in another coroutine, how wonderful, everything just works	551	# we are in another coroutine, how wonderful, everything just works
369		552
…		…
389	$EXT_CORO{$coro+0} = $coro;	572	$EXT_CORO{$coro+0} = $coro;
390		573
391	$coro	574	$coro
392	}	575	}
393		576
394	sub write_runtime {	577	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		578
397	# first touch the runtime file to show we are still running:	579	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	580	process, returning the results. Everything must be serialisable with
		581	Coro::Storable. May, of course, block. Note that the executed sub may
		582	never block itself or use any form of event handling.
399		583
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	584	=cut
401	utime undef, undef, $fh;	585
		586	sub fork_call(&@) {
		587	my ($cb, @args) = @_;
		588
		589	# we seemingly have to make a local copy of the whole thing,
		590	# otherwise perl prematurely frees the stuff :/
		591	# TODO: investigate and fix (likely this will be rather laborious)
		592
		593	my @res = Coro::Util::fork_eval {
		594	reset_signals;
		595	&$cb
		596	}, @args;
		597
		598	wantarray ? @res : $res[-1]
		599	}
		600
		601	sub objinfo {
		602	(
		603	"counter value" => cf::object::object_count,
		604	"objects created" => cf::object::create_count,
		605	"objects destroyed" => cf::object::destroy_count,
		606	"freelist size" => cf::object::free_count,
		607	"allocated objects" => cf::object::objects_size,
		608	"active objects" => cf::object::actives_size,
		609	)
		610	}
		611
		612	=item $coin = coin_from_name $name
		613
		614	=cut
		615
		616	our %coin_alias = (
		617	"silver" => "silvercoin",
		618	"silvercoin" => "silvercoin",
		619	"silvercoins" => "silvercoin",
		620	"gold" => "goldcoin",
		621	"goldcoin" => "goldcoin",
		622	"goldcoins" => "goldcoin",
		623	"platinum" => "platinacoin",
		624	"platinumcoin" => "platinacoin",
		625	"platinumcoins" => "platinacoin",
		626	"platina" => "platinacoin",
		627	"platinacoin" => "platinacoin",
		628	"platinacoins" => "platinacoin",
		629	"royalty" => "royalty",
		630	"royalties" => "royalty",
		631	);
		632
		633	sub coin_from_name($) {
		634	$coin_alias{$_[0]}
		635	? cf::arch::find $coin_alias{$_[0]}
		636	: undef
		637	}
		638
		639	=item $value = cf::db_get $family => $key
		640
		641	Returns a single value from the environment database.
		642
		643	=item cf::db_put $family => $key => $value
		644
		645	Stores the given C<$value> in the family. It can currently store binary
		646	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		647
		648	=item $db = cf::db_table "name"
		649
		650	Create and/or open a new database table. The string must not be "db" and must be unique
		651	within each server.
		652
		653	=cut
		654
		655	sub db_table($) {
		656	my ($name) = @_;
		657	my $db = BDB::db_create $DB_ENV;
		658
		659	eval {
		660	$db->set_flags (BDB::CHKSUM);
		661
		662	utf8::encode $name;
		663	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		664	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		665	cf::cleanup "db_open(db): $!" if $!;
402	}	666	};
		667	cf::cleanup "db_open(db): $@" if $@;
403		668
404	my $guard = cf::lock_acquire "write_runtime";	669	$db
		670	}
405		671
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	672	our $DB;
407	or return;
408		673
409	my $value = $cf::RUNTIME + 90 + 10;	674	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	675	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	676	$DB ||= db_table "db";
		677	};
		678	}
412		679
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	680	sub db_get($$) {
414	and return;	681	my $key = "$_[0]/$_[1]";
415		682
416	# always fsync - this file is important	683	cf::sync_job {
417	aio_fsync $fh	684	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		685
420	# touch it again to show we are up-to-date	686	$! ? ()
421	utime undef, undef, $fh;	687	: $data
422
423	close $fh
424	or return;
425
426	aio_rename "$runtime~", $runtime
427	and return;
428
429	warn "runtime file written.\n";#d#
430
431	1	688	}
		689	}
		690
		691	sub db_put($$$) {
		692	BDB::dbreq_pri 4;
		693	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		694	}
		695
		696	=item cf::cache $id => [$paths...], $processversion => $process
		697
		698	Generic caching function that returns the value of the resource $id,
		699	caching and regenerating as required.
		700
		701	This function can block.
		702
		703	=cut
		704
		705	sub cache {
		706	my ($id, $src, $processversion, $process) = @_;
		707
		708	my $meta =
		709	join "\x00",
		710	$processversion,
		711	map {
		712	aio_stat $_
		713	and Carp::croak "$_: $!";
		714
		715	($_, (stat _)[7,9])
		716	} @$src;
		717
		718	my $dbmeta = db_get cache => "$id/meta";
		719	if ($dbmeta ne $meta) {
		720	# changed, we may need to process
		721
		722	my @data;
		723	my $md5;
		724
		725	for (0 .. $#$src) {
		726	0 <= aio_load $src->[$_], $data[$_]
		727	or Carp::croak "$src->[$_]: $!";
		728	}
		729
		730	# if processing is expensive, check
		731	# checksum first
		732	if (1) {
		733	$md5 =
		734	join "\x00",
		735	$processversion,
		736	map {
		737	cf::cede_to_tick;
		738	($src->[$_], Digest::MD5::md5_hex $data[$_])
		739	} 0.. $#$src;
		740
		741
		742	my $dbmd5 = db_get cache => "$id/md5";
		743	if ($dbmd5 eq $md5) {
		744	db_put cache => "$id/meta", $meta;
		745
		746	return db_get cache => "$id/data";
		747	}
		748	}
		749
		750	my $t1 = Time::HiRes::time;
		751	my $data = $process->(\@data);
		752	my $t2 = Time::HiRes::time;
		753
		754	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		755
		756	db_put cache => "$id/data", $data;
		757	db_put cache => "$id/md5" , $md5;
		758	db_put cache => "$id/meta", $meta;
		759
		760	return $data;
		761	}
		762
		763	db_get cache => "$id/data"
432	}	764	}
433		765
434	=item cf::datalog type => key => value, ...	766	=item cf::datalog type => key => value, ...
435		767
436	Log a datalog packet of the given type with the given key-value pairs.	768	Log a datalog packet of the given type with the given key-value pairs.
…		…
448		780
449	#############################################################################	781	#############################################################################
450		782
451	=head2 ATTACHABLE OBJECTS	783	=head2 ATTACHABLE OBJECTS
452		784
453	Many objects in crossfire are so-called attachable objects. That means you can	785	Many objects in deliantra are so-called attachable objects. That means you can
454	attach callbacks/event handlers (a collection of which is called an "attachment")	786	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	787	to it. All such attachable objects support the following methods.
456		788
457	In the following description, CLASS can be any of C<global>, C<object>	789	In the following description, CLASS can be any of C<global>, C<object>
458	C<player>, C<client> or C<map> (i.e. the attachable objects in	790	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	791	Deliantra).
460		792
461	=over 4	793	=over 4
462		794
463	=item $attachable->attach ($attachment, key => $value...)	795	=item $attachable->attach ($attachment, key => $value...)
464		796
…		…
508	=item cf::CLASS::attachment $name, ...	840	=item cf::CLASS::attachment $name, ...
509		841
510	Register an attachment by C<$name> through which attachable objects of the	842	Register an attachment by C<$name> through which attachable objects of the
511	given CLASS can refer to this attachment.	843	given CLASS can refer to this attachment.
512		844
513	Some classes such as crossfire maps and objects can specify attachments	845	Some classes such as deliantra maps and objects can specify attachments
514	that are attached at load/instantiate time, thus the need for a name.	846	that are attached at load/instantiate time, thus the need for a name.
515		847
516	These calls expect any number of the following handler/hook descriptions:	848	These calls expect any number of the following handler/hook descriptions:
517		849
518	=over 4	850	=over 4
…		…
666	_attach $registry, $klass, @attach;	998	_attach $registry, $klass, @attach;
667	}	999	}
668		1000
669	$obj->{$name} = \%arg;	1001	$obj->{$name} = \%arg;
670	} else {	1002	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	1003	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	1004	}
673		1005
674	$obj->{_attachment}{$name} = undef;	1006	$obj->{_attachment}{$name} = undef;
675	}	1007	}
676		1008
…		…
716	";	1048	";
717	die if $@;	1049	die if $@;
718	}	1050	}
719		1051
720	our $override;	1052	our $override;
721	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1053	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
722		1054
723	sub override {	1055	sub override {
724	$override = 1;	1056	$override = 1;
725	@invoke_results = ();	1057	@INVOKE_RESULTS = (@_);
726	}	1058	}
727		1059
728	sub do_invoke {	1060	sub do_invoke {
729	my $event = shift;	1061	my $event = shift;
730	my $callbacks = shift;	1062	my $callbacks = shift;
731		1063
732	@invoke_results = ();	1064	@INVOKE_RESULTS = ();
733		1065
734	local $override;	1066	local $override;
735		1067
736	for (@$callbacks) {	1068	for (@$callbacks) {
737	eval { &{$_->[1]} };	1069	eval { &{$_->[1]} };
…		…
746	}	1078	}
747		1079
748	0	1080	0
749	}	1081	}
750		1082
751	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1083	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752		1084
753	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1085	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754		1086
755	Generate an object-specific event with the given arguments.	1087	Generate an object-specific event with the given arguments.
756		1088
757	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1089	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
758	removed in future versions), and there is no public API to access override	1090	removed in future versions), and there is no public API to access override
759	results (if you must, access C<@cf::invoke_results> directly).	1091	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		1092
761	=back	1093	=back
762		1094
763	=cut	1095	=cut
764		1096
765	#############################################################################	1097	#############################################################################
766	# object support	1098	# object support
		1099
		1100	sub _object_equal($$);
		1101	sub _object_equal($$) {
		1102	my ($a, $b) = @_;
		1103
		1104	return 0 unless (ref $a) eq (ref $b);
		1105
		1106	if ("HASH" eq ref $a) {
		1107	my @ka = keys %$a;
		1108	my @kb = keys %$b;
		1109
		1110	return 0 if @ka != @kb;
		1111
		1112	for (0 .. $#ka) {
		1113	return 0 unless $ka[$_] eq $kb[$_];
		1114	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1115	}
		1116
		1117	} elsif ("ARRAY" eq ref $a) {
		1118
		1119	return 0 if @$a != @$b;
		1120
		1121	for (0 .. $#$a) {
		1122	return 0 unless _object_equal $a->[$_], $b->[$_];
		1123	}
		1124
		1125	} elsif ($a ne $b) {
		1126	return 0;
		1127	}
		1128
		1129	1
		1130	}
		1131
		1132	our $SLOW_MERGES;#d#
		1133	sub _can_merge {
		1134	my ($ob1, $ob2) = @_;
		1135
		1136	++$SLOW_MERGES;#d#
		1137
		1138	# we do the slow way here
		1139	return _object_equal $ob1, $ob2
		1140	}
767		1141
768	sub reattach {	1142	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1143	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1144	my ($obj) = @_;
771		1145
		1146	# no longer needed after getting rid of delete_package?
772	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1147	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
773		1148
774	my $registry = $obj->registry;	1149	my $registry = $obj->registry;
775		1150
776	@$registry = ();	1151	@$registry = ();
777		1152
…		…
792	cf::attachable->attach (	1167	cf::attachable->attach (
793	prio => -1000000,	1168	prio => -1000000,
794	on_instantiate => sub {	1169	on_instantiate => sub {
795	my ($obj, $data) = @_;	1170	my ($obj, $data) = @_;
796		1171
797	$data = from_json $data;	1172	$data = decode_json $data;
798		1173
799	for (@$data) {	1174	for (@$data) {
800	my ($name, $args) = @$_;	1175	my ($name, $args) = @$_;
801		1176
802	$obj->attach ($name, %{$args || {} });	1177	$obj->attach ($name, %{$args || {} });
…		…
818	sub object_freezer_save {	1193	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1194	my ($filename, $rdata, $objs) = @_;
820		1195
821	sync_job {	1196	sync_job {
822	if (length $$rdata) {	1197	if (length $$rdata) {
		1198	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1199	warn sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1200	$decname, length $$rdata, scalar @$objs
		1201	if $VERBOSE_IO;
825		1202
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1203	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1204	aio_chmod $fh, SAVE_MODE;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1205	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	aio_fsync $fh if $cf::USE_FSYNC;	1206	if ($cf::USE_FSYNC) {
		1207	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1208	aio_fsync $fh;
		1209	}
830	close $fh;	1210	aio_close $fh;
831		1211
832	if (@$objs) {	1212	if (@$objs) {
833	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1213	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
834	chmod SAVE_MODE, $fh;	1214	aio_chmod $fh, SAVE_MODE;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1215	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1216	aio_write $fh, 0, (length $data), $data, 0;
837	aio_fsync $fh if $cf::USE_FSYNC;	1217	if ($cf::USE_FSYNC) {
		1218	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1219	aio_fsync $fh;
		1220	}
838	close $fh;	1221	aio_close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1222	aio_rename "$filename.pst~", "$filename.pst";
840	}	1223	}
841	} else {	1224	} else {
842	aio_unlink "$filename.pst";	1225	aio_unlink "$filename.pst";
843	}	1226	}
844		1227
845	aio_rename "$filename~", $filename;	1228	aio_rename "$filename~", $filename;
		1229
		1230	$filename =~ s%/[^/]+$%%;
		1231	aio_pathsync $filename if $cf::USE_FSYNC;
846	} else {	1232	} else {
847	warn "FATAL: $filename~: $!\n";	1233	warn "unable to save objects: $filename~: $!\n";
848	}	1234	}
849	} else {	1235	} else {
850	aio_unlink $filename;	1236	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1237	aio_unlink "$filename.pst";
852	}	1238	}
853	}	1239	};
854	}	1240	}
855		1241
856	sub object_freezer_as_string {	1242	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1243	my ($rdata, $objs) = @_;
858		1244
…		…
870	or return;	1256	or return;
871		1257
872	unless (aio_stat "$filename.pst") {	1258	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1259	(aio_load "$filename.pst", $av) >= 0
874	or return;	1260	or return;
		1261
875	$av = eval { (Storable::thaw $av)->{objs} };	1262	my $st = eval { Coro::Storable::thaw $av };
		1263	$av = $st->{objs};
876	}	1264	}
877		1265
		1266	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1267	warn sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1268	$decname, length $data, scalar @{$av || []}
		1269	if $VERBOSE_IO;
		1270
880	return ($data, $av);	1271	($data, $av)
881	}	1272	}
		1273
		1274	=head2 COMMAND CALLBACKS
		1275
		1276	=over 4
		1277
		1278	=cut
882		1279
883	#############################################################################	1280	#############################################################################
884	# command handling &c	1281	# command handling &c
885		1282
886	=item cf::register_command $name => \&callback($ob,$args);	1283	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1296	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1297	}
901		1298
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1299	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1300
904	Register a callbackf ro execution when the client sends an extcmd packet.	1301	Register a callback for execution when the client sends an (synchronous)
		1302	extcmd packet. Ext commands will be processed in the order they are
		1303	received by the server, like other user commands. The first argument is
		1304	the logged-in player. Ext commands can only be processed after a player
		1305	has logged in successfully.
905		1306
906	If the callback returns something, it is sent back as if reply was being	1307	If the callback returns something, it is sent back as if reply was being
907	called.	1308	called.
908		1309
		1310	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1311
		1312	Register a callback for execution when the client sends an (asynchronous)
		1313	exticmd packet. Exti commands are processed by the server as soon as they
		1314	are received, i.e. out of order w.r.t. other commands. The first argument
		1315	is a client socket. Exti commands can be received anytime, even before
		1316	log-in.
		1317
		1318	If the callback returns something, it is sent back as if reply was being
		1319	called.
		1320
909	=cut	1321	=cut
910		1322
911	sub register_extcmd {	1323	sub register_extcmd {
912	my ($name, $cb) = @_;	1324	my ($name, $cb) = @_;
913		1325
914	$EXTCMD{$name} = $cb;	1326	$EXTCMD{$name} = $cb;
915	}	1327	}
916		1328
		1329	sub register_exticmd {
		1330	my ($name, $cb) = @_;
		1331
		1332	$EXTICMD{$name} = $cb;
		1333	}
		1334
		1335	use File::Glob ();
		1336
917	cf::player->attach (	1337	cf::player->attach (
918	on_command => sub {	1338	on_unknown_command => sub {
919	my ($pl, $name, $params) = @_;	1339	my ($pl, $name, $params) = @_;
920		1340
921	my $cb = $COMMAND{$name}	1341	my $cb = $COMMAND{$name}
922	or return;	1342	or return;
923		1343
…		…
928	cf::override;	1348	cf::override;
929	},	1349	},
930	on_extcmd => sub {	1350	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1351	my ($pl, $buf) = @_;
932		1352
933	my $msg = eval { from_json $buf };	1353	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1354
935	if (ref $msg) {	1355	if (ref $msg) {
		1356	my ($type, $reply, @payload) =
		1357	"ARRAY" eq ref $msg
		1358	? @$msg
		1359	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1360
		1361	my @reply;
		1362
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1363	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1364	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1365	}
		1366
		1367	$pl->ext_reply ($reply, @reply)
		1368	if $reply;
		1369
941	} else {	1370	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1371	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1372	}
944		1373
945	cf::override;	1374	cf::override;
946	},	1375	},
947	);	1376	);
948		1377
		1378	# "readahead" all extensions
949	sub load_extension {	1379	sub cache_extensions {
950	my ($path) = @_;	1380	my $grp = IO::AIO::aio_group;
951		1381
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1382	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
953	my $base = $1;	1383	for (grep /\.ext$/, @{$_[0]}) {
954	my $pkg = $1;	1384	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
955	$pkg =~ s/[^[:word:]]/_/g;
956	$pkg = "ext::$pkg";
957
958	warn "... loading '$path' into '$pkg'\n";
959
960	open my $fh, "<:utf8", $path
961	or die "$path: $!";
962
963	my $source =
964	"package $pkg; use strict; use utf8;\n"
965	. "#line 1 \"$path\"\n{\n"
966	. (do { local $/; <$fh> })
967	. "\n};\n1";
968
969	unless (eval $source) {
970	my $msg = $@ ? "$path: $@\n"
971	: "extension disabled.\n";
972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973	warn $@;
974	warn "mandatory extension failed to load, exiting.\n";
975	exit 1;
976	}	1385	}
977	die $@;
978	}	1386	};
979		1387
980	push @EXTS, $pkg;	1388	$grp
981	}	1389	}
982		1390
983	sub load_extensions {	1391	sub load_extensions {
		1392	cf::sync_job {
		1393	my %todo;
		1394
984	for my $ext (<$LIBDIR/*.ext>) {	1395	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1396	next unless -r $path;
986	eval {	1397
987	load_extension $ext;	1398	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1399	my $base = $1;
		1400	my $pkg = $1;
		1401	$pkg =~ s/[^[:word:]]/_/g;
		1402	$pkg = "ext::$pkg";
		1403
		1404	open my $fh, "<:utf8", $path
		1405	or die "$path: $!";
		1406
		1407	my $source = do { local $/; <$fh> };
		1408
		1409	my %ext = (
		1410	path => $path,
		1411	base => $base,
		1412	pkg => $pkg,
		1413	);
		1414
		1415	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1416	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1417
		1418	$ext{source} =
		1419	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1420	. "#line 1 \"$path\"\n{\n"
		1421	. $source
		1422	. "\n};\n1";
		1423
		1424	$todo{$base} = \%ext;
		1425	}
		1426
		1427	my $pass = 0;
		1428	my %done;
		1429	while (%todo) {
		1430	my $progress;
		1431
		1432	++$pass;
		1433
		1434	ext:
		1435	while (my ($k, $v) = each %todo) {
		1436	for (split /,\s*/, $v->{meta}{depends}) {
		1437	next ext
		1438	unless exists $done{$_};
		1439	}
		1440
		1441	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1442
		1443	my $active = eval $v->{source};
		1444
		1445	if (length $@) {
		1446	warn "$v->{path}: $@\n";
		1447
		1448	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1449	if exists $v->{meta}{mandatory};
		1450
		1451	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1452	delete $todo{$k};
		1453	} else {
		1454	$done{$k} = delete $todo{$k};
		1455	push @EXTS, $v->{pkg};
		1456	$progress = 1;
		1457
		1458	warn "$v->{base}: extension inactive.\n"
		1459	unless $active;
		1460	}
988	1	1461	}
989	} or warn "$ext not loaded: $@";	1462
		1463	unless ($progress) {
		1464	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1465
		1466	while (my ($k, $v) = each %todo) {
		1467	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1468	if exists $v->{meta}{mandatory};
		1469	}
		1470	}
		1471	}
990	}	1472	};
991	}	1473	}
992		1474
993	#############################################################################	1475	#############################################################################
994		1476
		1477	=back
		1478
995	=head2 CORE EXTENSIONS	1479	=head2 CORE EXTENSIONS
996		1480
997	Functions and methods that extend core crossfire objects.	1481	Functions and methods that extend core deliantra objects.
998		1482
999	=cut	1483	=cut
1000		1484
1001	package cf::player;	1485	package cf::player;
1002		1486
1003	use Coro::AIO;	1487	use Coro::AIO;
1004		1488
1005	=head3 cf::player	1489	=head3 cf::player
1006		1490
1007	=over 4	1491	=over 4
		1492
		1493	=item cf::player::num_playing
		1494
		1495	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1496
		1497	=cut
		1498
		1499	sub num_playing {
		1500	scalar grep
		1501	$_->ob->map
		1502	&& !$_->hidden
		1503	&& !$_->ob->flag (cf::FLAG_WIZ),
		1504	cf::player::list
		1505	}
1008		1506
1009	=item cf::player::find $login	1507	=item cf::player::find $login
1010		1508
1011	Returns the given player object, loading it if necessary (might block).	1509	Returns the given player object, loading it if necessary (might block).
1012		1510
…		…
1031		1529
1032	sub exists($) {	1530	sub exists($) {
1033	my ($login) = @_;	1531	my ($login) = @_;
1034		1532
1035	$cf::PLAYER{$login}	1533	$cf::PLAYER{$login}
1036	or cf::sync_job { !aio_stat path $login }	1534	or !aio_stat path $login
1037	}	1535	}
1038		1536
1039	sub find($) {	1537	sub find($) {
1040	return $cf::PLAYER{$_[0]} || do {	1538	return $cf::PLAYER{$_[0]} || do {
1041	my $login = $_[0];	1539	my $login = $_[0];
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1546	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1547	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1548	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1549	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1550
1053	my $pl = load_pl path $login	1551	my $f = new_from_file cf::object::thawer path $login
1054	or return;	1552	or return;
		1553
		1554	my $pl = cf::player::load_pl $f
		1555	or return;
		1556
		1557	local $cf::PLAYER_LOADING{$login} = $pl;
		1558	$f->resolve_delayed_derefs;
1055	$cf::PLAYER{$login} = $pl	1559	$cf::PLAYER{$login} = $pl
1056	}	1560	}
1057	}	1561	}
1058	}	1562	}
		1563
		1564	cf::player->attach (
		1565	on_load => sub {
		1566	my ($pl, $path) = @_;
		1567
		1568	# restore slots saved in save, below
		1569	my $slots = delete $pl->{_slots};
		1570
		1571	$pl->ob->current_weapon ($slots->[0]);
		1572	$pl->combat_ob ($slots->[1]);
		1573	$pl->ranged_ob ($slots->[2]);
		1574	},
		1575	);
1059		1576
1060	sub save($) {	1577	sub save($) {
1061	my ($pl) = @_;	1578	my ($pl) = @_;
1062		1579
1063	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
…		…
1068	return if $pl->{deny_save};	1585	return if $pl->{deny_save};
1069		1586
1070	aio_mkdir playerdir $pl, 0770;	1587	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1588	$pl->{last_save} = $cf::RUNTIME;
1072		1589
		1590	cf::get_slot 0.01;
		1591
		1592	# save slots, to be restored later
		1593	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1594
1073	$pl->save_pl ($path);	1595	$pl->save_pl ($path);
1074	Coro::cede;	1596	cf::cede_to_tick;
1075	}	1597	}
1076		1598
1077	sub new($) {	1599	sub new($) {
1078	my ($login) = @_;	1600	my ($login) = @_;
1079		1601
…		…
1085	$cf::PLAYER{$login} = $self;	1607	$cf::PLAYER{$login} = $self;
1086		1608
1087	$self	1609	$self
1088	}	1610	}
1089		1611
		1612	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1613
		1614	=cut
		1615
		1616	sub send_msg {
		1617	my $ns = shift->ns
		1618	or return;
		1619	$ns->send_msg (@_);
		1620	}
		1621
1090	=item $pl->quit_character	1622	=item $pl->quit_character
1091		1623
1092	Nukes the player without looking back. If logged in, the connection will	1624	Nukes the player without looking back. If logged in, the connection will
1093	be destroyed. May block for a long time.	1625	be destroyed. May block for a long time.
1094		1626
…		…
1098	my ($pl) = @_;	1630	my ($pl) = @_;
1099		1631
1100	my $name = $pl->ob->name;	1632	my $name = $pl->ob->name;
1101		1633
1102	$pl->{deny_save} = 1;	1634	$pl->{deny_save} = 1;
1103	$pl->password ("*"); # this should lock out the player until we nuked the dir	1635	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1104		1636
1105	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1637	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1106	$pl->deactivate;	1638	$pl->deactivate;
		1639	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1107	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1640	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1108	$pl->ns->destroy if $pl->ns;	1641	$pl->ns->destroy if $pl->ns;
1109		1642
1110	my $path = playerdir $pl;	1643	my $path = playerdir $pl;
1111	my $temp = "$path~$cf::RUNTIME~deleting~";	1644	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1147	or return [];	1680	or return [];
1148		1681
1149	my @logins;	1682	my @logins;
1150		1683
1151	for my $login (@$dirs) {	1684	for my $login (@$dirs) {
		1685	my $path = path $login;
		1686
		1687	# a .pst is a dead give-away for a valid player
		1688	# if no pst file found, open and chekc for blocked users
		1689	if (aio_stat "$path.pst") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1690	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1691	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1692	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1693	}
1155		1694
1156	utf8::decode $login;	1695	utf8::decode $login;
1157	push @logins, $login;	1696	push @logins, $login;
1158	}	1697	}
1159		1698
1160	\@logins	1699	\@logins
1161	}	1700	}
1162		1701
1163	=item $player->maps	1702	=item $player->maps
		1703
		1704	=item cf::player::maps $login
1164		1705
1165	Returns an arrayref of map paths that are private for this	1706	Returns an arrayref of map paths that are private for this
1166	player. May block.	1707	player. May block.
1167		1708
1168	=cut	1709	=cut
…		…
1186	}	1727	}
1187		1728
1188	\@paths	1729	\@paths
1189	}	1730	}
1190		1731
		1732	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1733
		1734	Expand deliantra pod fragments into protocol xml.
		1735
1191	=item $player->ext_reply ($msgid, %msg)	1736	=item $player->ext_reply ($msgid, @msg)
1192		1737
1193	Sends an ext reply to the player.	1738	Sends an ext reply to the player.
1194		1739
1195	=cut	1740	=cut
1196		1741
1197	sub ext_reply($$%) {	1742	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1743	my ($self, $id, @msg) = @_;
1199		1744
1200	$msg{msgid} = $id;	1745	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1746	}
1204		1747
1205	=item $player->ext_event ($type, %msg)	1748	=item $player->ext_msg ($type, @msg)
1206		1749
1207	Sends an ext event to the client.	1750	Sends an ext event to the client.
1208		1751
1209	=cut	1752	=cut
1210		1753
1211	sub ext_event($$%) {	1754	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1755	my ($self, $type, @msg) = @_;
1213		1756
1214	$self->ns->ext_event ($type, %msg);	1757	$self->ns->ext_msg ($type, @msg);
1215	}	1758	}
1216		1759
1217	=head3 cf::region	1760	=head3 cf::region
1218		1761
1219	=over 4	1762	=over 4
…		…
1222		1765
1223	package cf::region;	1766	package cf::region;
1224		1767
1225	=item cf::region::find_by_path $path	1768	=item cf::region::find_by_path $path
1226		1769
1227	Tries to decuce the probable region for a map knowing only its path.	1770	Tries to decuce the likely region for a map knowing only its path.
1228		1771
1229	=cut	1772	=cut
1230		1773
1231	sub find_by_path($) {	1774	sub find_by_path($) {
1232	my ($path) = @_;	1775	my ($path) = @_;
1233		1776
		1777	$path =~ s/^~[^\/]*//; # skip ~login
		1778
1234	my ($match, $specificity);	1779	my ($match, $specificity);
1235		1780
1236	for my $region (list) {	1781	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1782	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1783	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1784	if $region->specificity > $specificity;
1240	}	1785	}
1241	}	1786	}
1242		1787
…		…
1263	our $MAX_RESET = 3600;	1808	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1809	our $DEFAULT_RESET = 3000;
1265		1810
1266	sub generate_random_map {	1811	sub generate_random_map {
1267	my ($self, $rmp) = @_;	1812	my ($self, $rmp) = @_;
		1813
		1814	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1815
1268	# mit "rum" bekleckern, nicht	1816	# mit "rum" bekleckern, nicht
1269	$self->_create_random_map (	1817	$self->_create_random_map (
1270	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1818	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1271	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1819	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1272	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1820	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1273	$rmp->{exit_on_final_map},	1821	$rmp->{exit_on_final_map},
1274	$rmp->{xsize}, $rmp->{ysize},	1822	$rmp->{xsize}, $rmp->{ysize},
1275	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1823	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1276	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1824	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1298		1846
1299	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1847	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1300	}	1848	}
1301		1849
1302	# also paths starting with '/'	1850	# also paths starting with '/'
1303	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1851	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1304		1852
1305	sub thawer_merge {	1853	sub thawer_merge {
1306	my ($self, $merge) = @_;	1854	my ($self, $merge) = @_;
1307		1855
1308	# we have to keep some variables in memory intact	1856	# we have to keep some variables in memory intact
1309	local $self->{path};	1857	local $self->{path};
1310	local $self->{load_path};	1858	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1859
1314	$self->SUPER::thawer_merge ($merge);	1860	$self->SUPER::thawer_merge ($merge);
1315	}	1861	}
1316		1862
1317	sub normalise {	1863	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1910	$self->init; # pass $1 etc.
1365	return $self;	1911	return $self;
1366	}	1912	}
1367	}	1913	}
1368		1914
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1915	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1916	()
1371	}	1917	}
1372		1918
1373	sub init {	1919	sub init {
1374	my ($self) = @_;	1920	my ($self) = @_;
…		…
1396		1942
1397	# the temporary/swap location	1943	# the temporary/swap location
1398	sub save_path {	1944	sub save_path {
1399	my ($self) = @_;	1945	my ($self) = @_;
1400		1946
1401	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1947	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1402	"$TMPDIR/$path.map"	1948	"$TMPDIR/$path.map"
1403	}	1949	}
1404		1950
1405	# the unique path, undef == no special unique path	1951	# the unique path, undef == no special unique path
1406	sub uniq_path {	1952	sub uniq_path {
1407	my ($self) = @_;	1953	my ($self) = @_;
1408		1954
1409	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1955	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1410	"$UNIQUEDIR/$path"	1956	"$UNIQUEDIR/$path"
1411	}	1957	}
1412		1958
1413	# and all this just because we cannot iterate over	1959	sub decay_objects {
1414	# all maps in C++...
1415	sub change_all_map_light {
1416	my ($change) = @_;	1960	my ($self) = @_;
1417		1961
1418	$_->change_map_light ($change)	1962	return if $self->{deny_reset};
1419	for grep $_->outdoor, values %cf::MAP;	1963
		1964	$self->do_decay_objects;
1420	}	1965	}
1421		1966
1422	sub unlink_save {	1967	sub unlink_save {
1423	my ($self) = @_;	1968	my ($self) = @_;
1424		1969
…		…
1429		1974
1430	sub load_header_from($) {	1975	sub load_header_from($) {
1431	my ($self, $path) = @_;	1976	my ($self, $path) = @_;
1432		1977
1433	utf8::encode $path;	1978	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	1979	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	or return;	1980	or return;
		1981
		1982	$self->_load_header ($f)
		1983	or return;
		1984
		1985	local $MAP_LOADING{$self->{path}} = $self;
		1986	$f->resolve_delayed_derefs;
1439		1987
1440	$self->{load_path} = $path;	1988	$self->{load_path} = $path;
1441		1989
1442	1	1990	1
1443	}	1991	}
…		…
1482	$self->load_header_orig	2030	$self->load_header_orig
1483	or return;	2031	or return;
1484	$self->prepare_orig;	2032	$self->prepare_orig;
1485	}	2033	}
1486		2034
		2035	$self->{deny_reset} = 1
		2036	if $self->no_reset;
		2037
1487	$self->default_region (cf::region::find_by_path $self->{path})	2038	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	2039	unless $self->default_region;
1489		2040
1490	1	2041	1
1491	}	2042	}
…		…
1494	sub find {	2045	sub find {
1495	my ($path, $origin) = @_;	2046	my ($path, $origin) = @_;
1496		2047
1497	$path = normalise $path, $origin && $origin->path;	2048	$path = normalise $path, $origin && $origin->path;
1498		2049
		2050	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	2051	my $guard2 = cf::lock_acquire "map_find:$path";
1500		2052
1501	$cf::MAP{$path} || do {	2053	$cf::MAP{$path} || do {
1502	my $guard = cf::lock_acquire "map_find:$path";
1503	my $map = new_from_path cf::map $path	2054	my $map = new_from_path cf::map $path
1504	or return;	2055	or return;
1505		2056
1506	$map->{last_save} = $cf::RUNTIME;	2057	$map->{last_save} = $cf::RUNTIME;
1507		2058
1508	$map->load_header	2059	$map->load_header
1509	or return;	2060	or return;
1510		2061
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2062	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	2063	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	2064	#$cf::WAIT_FOR_TICK->wait;
		2065	undef $guard2;
		2066	undef $guard1;
1514	$map->reset;	2067	$map->reset;
1515	undef $guard;
1516	return find $path;	2068	return find $path;
1517	}	2069	}
1518		2070
1519	$cf::MAP{$path} = $map	2071	$cf::MAP{$path} = $map
1520	}	2072	}
1521	}	2073	}
1522		2074
1523	sub pre_load { }	2075	sub pre_load { }
1524	sub post_load { }	2076	#sub post_load { } # XS
1525		2077
1526	sub load {	2078	sub load {
1527	my ($self) = @_;	2079	my ($self) = @_;
1528		2080
1529	local $self->{deny_reset} = 1; # loading can take a long time	2081	local $self->{deny_reset} = 1; # loading can take a long time
1530		2082
1531	my $path = $self->{path};	2083	my $path = $self->{path};
1532		2084
1533	{	2085	{
1534	my $guard = cf::lock_acquire "map_load:$path";	2086	my $guard = cf::lock_acquire "map_data:$path";
1535		2087
		2088	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	2089	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		2090
1538	$self->in_memory (cf::MAP_LOADING);	2091	$self->in_memory (cf::MAP_LOADING);
1539		2092
1540	$self->alloc;	2093	$self->alloc;
1541		2094
1542	$self->pre_load;	2095	$self->pre_load;
1543	Coro::cede;	2096	cf::cede_to_tick;
1544		2097
		2098	my $f = new_from_file cf::object::thawer $self->{load_path};
		2099	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	2100	$self->_load_objects ($f)
1546	or return;	2101	or return;
1547		2102
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2103	$self->post_load_original
1549	if delete $self->{load_original};	2104	if delete $self->{load_original};
1550		2105
1551	if (my $uniq = $self->uniq_path) {	2106	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2107	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2108	unless (aio_stat $uniq) {
		2109	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2110	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2111	$self->_load_objects ($f);
		2112	$f->resolve_delayed_derefs;
		2113	}
1556	}	2114	}
1557	}	2115	}
1558		2116
1559	Coro::cede;	2117	$f->resolve_delayed_derefs;
		2118
		2119	cf::cede_to_tick;
1560	# now do the right thing for maps	2120	# now do the right thing for maps
1561	$self->link_multipart_objects;	2121	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	2122	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	2123	unless $self->difficulty;
1564	Coro::cede;	2124	cf::cede_to_tick;
1565		2125
1566	unless ($self->{deny_activate}) {	2126	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	2127	$self->decay_objects;
1568	$self->fix_auto_apply;	2128	$self->fix_auto_apply;
1569	$self->update_buttons;	2129	$self->update_buttons;
1570	Coro::cede;	2130	cf::cede_to_tick;
1571	$self->set_darkness_map;
1572	Coro::cede;
1573	$self->activate;	2131	$self->activate;
1574	}	2132	}
1575		2133
		2134	$self->{last_save} = $cf::RUNTIME;
		2135	$self->last_access ($cf::RUNTIME);
		2136
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2137	$self->in_memory (cf::MAP_ACTIVE);
1577	}	2138	}
1578		2139
1579	$self->post_load;	2140	$self->post_load;
1580	}	2141	}
1581		2142
		2143	# customize the map for a given player, i.e.
		2144	# return the _real_ map. used by e.g. per-player
		2145	# maps to change the path to ~playername/mappath
1582	sub customise_for {	2146	sub customise_for {
1583	my ($self, $ob) = @_;	2147	my ($self, $ob) = @_;
1584		2148
1585	return find "~" . $ob->name . "/" . $self->{path}	2149	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2150	if $self->per_player;
1587		2151
		2152	# return find "?party/" . $ob->name . "/" . $self->{path}
		2153	# if $self->per_party;
		2154
1588	$self	2155	$self
1589	}	2156	}
1590		2157
1591	# find and load all maps in the 3x3 area around a map	2158	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	2159	sub load_neighbours {
1593	my ($map) = @_;	2160	my ($map) = @_;
1594		2161
1595	my @diag; # diagonal neighbours	2162	my @neigh; # diagonal neighbours
1596		2163
1597	for (0 .. 3) {	2164	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	2165	my $neigh = $map->tile_path ($_)
1599	or next;	2166	or next;
1600	$neigh = find $neigh, $map	2167	$neigh = find $neigh, $map
1601	or next;	2168	or next;
1602	$neigh->load;	2169	$neigh->load;
1603		2170
		2171	# now find the diagonal neighbours
		2172	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2173	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2174	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2175	}
1607		2176
1608	for (@diag) {	2177	for (grep defined $_->[0], @neigh) {
		2178	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2179	my $neigh = find $path, $origin
1610	or next;	2180	or next;
1611	$neigh->load;	2181	$neigh->load;
1612	}	2182	}
1613	}	2183	}
1614		2184
…		…
1619	}	2189	}
1620		2190
1621	sub do_load_sync {	2191	sub do_load_sync {
1622	my ($map) = @_;	2192	my ($map) = @_;
1623		2193
		2194	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2195	if $Coro::current == $Coro::main;
		2196
1624	cf::sync_job { $map->load };	2197	cf::sync_job { $map->load };
1625	}	2198	}
1626		2199
1627	our %MAP_PREFETCH;	2200	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2201	our $MAP_PREFETCHER = undef;
1629		2202
1630	sub find_async {	2203	sub find_async {
1631	my ($path, $origin) = @_;	2204	my ($path, $origin, $load) = @_;
1632		2205
1633	$path = normalise $path, $origin && $origin->{path};	2206	$path = normalise $path, $origin && $origin->{path};
1634		2207
1635	if (my $map = $cf::MAP{$path}) {	2208	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2209	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1637	}	2210	}
1638		2211
1639	undef $MAP_PREFETCH{$path};	2212	$MAP_PREFETCH{$path} |= $load;
		2213
1640	$MAP_PREFETCHER ||= cf::async {	2214	$MAP_PREFETCHER ||= cf::async {
		2215	$Coro::current->{desc} = "map prefetcher";
		2216
1641	while (%MAP_PREFETCH) {	2217	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2218	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2219	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2220	$map->load if $v;
		2221	}
1646		2222
1647	delete $MAP_PREFETCH{$path};	2223	delete $MAP_PREFETCH{$k};
1648	}	2224	}
1649	}	2225	}
1650	undef $MAP_PREFETCHER;	2226	undef $MAP_PREFETCHER;
1651	};	2227	};
1652	$MAP_PREFETCHER->prio (6);	2228	$MAP_PREFETCHER->prio (6);
1653		2229
1654	()	2230	()
1655	}	2231	}
1656		2232
		2233	# common code, used by both ->save and ->swapout
1657	sub save {	2234	sub _save {
1658	my ($self) = @_;	2235	my ($self) = @_;
1659
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;
1661		2236
1662	$self->{last_save} = $cf::RUNTIME;	2237	$self->{last_save} = $cf::RUNTIME;
1663		2238
1664	return unless $self->dirty;	2239	return unless $self->dirty;
1665		2240
…		…
1671	return if $self->{deny_save};	2246	return if $self->{deny_save};
1672		2247
1673	local $self->{last_access} = $self->last_access;#d#	2248	local $self->{last_access} = $self->last_access;#d#
1674		2249
1675	cf::async {	2250	cf::async {
		2251	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2252	$_->contr->save for $self->players;
1677	};	2253	};
		2254
		2255	cf::get_slot 0.02;
1678		2256
1679	if ($uniq) {	2257	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2258	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1681	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2259	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1682	} else {	2260	} else {
1683	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2261	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1684	}	2262	}
1685	}	2263	}
1686		2264
		2265	sub save {
		2266	my ($self) = @_;
		2267
		2268	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2269
		2270	$self->_save;
		2271	}
		2272
1687	sub swap_out {	2273	sub swap_out {
1688	my ($self) = @_;	2274	my ($self) = @_;
1689		2275
1690	# save first because save cedes
1691	$self->save;
1692
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2276	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2277
		2278	return if $self->in_memory != cf::MAP_ACTIVE;
		2279	return if $self->{deny_save};
1695	return if $self->players;	2280	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;
1697	return if $self->{deny_save};
1698		2281
		2282	# first deactivate the map and "unlink" it from the core
		2283	$self->deactivate;
		2284	$_->clear_links_to ($self) for values %cf::MAP;
		2285	$self->in_memory (cf::MAP_SWAPPED);
		2286
		2287	# then atomically save
		2288	$self->_save;
		2289
		2290	# then free the map
1699	$self->clear;	2291	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2292	}
1702		2293
1703	sub reset_at {	2294	sub reset_at {
1704	my ($self) = @_;	2295	my ($self) = @_;
1705		2296
1706	# TODO: safety, remove and allow resettable per-player maps	2297	# TODO: safety, remove and allow resettable per-player maps
1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1708	return 1e99 if $self->{deny_reset};	2298	return 1e99 if $self->{deny_reset};
1709		2299
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2300	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2301	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2302
…		…
1723	my ($self) = @_;	2313	my ($self) = @_;
1724		2314
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2315	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2316
1727	return if $self->players;	2317	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2318
1730	warn "resetting map ", $self->path;#d#	2319	warn "resetting map ", $self->path, "\n";
1731		2320
1732	$self->in_memory (cf::MAP_SWAPPED);	2321	$self->in_memory (cf::MAP_SWAPPED);
1733		2322
1734	# need to save uniques path	2323	# need to save uniques path
1735	unless ($self->{deny_save}) {	2324	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2328	if $uniq;
1740	}	2329	}
1741		2330
1742	delete $cf::MAP{$self->path};	2331	delete $cf::MAP{$self->path};
1743		2332
		2333	$self->deactivate;
		2334	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2335	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2336
1748	$self->unlink_save;	2337	$self->unlink_save;
1749	$self->destroy;	2338	$self->destroy;
1750	}	2339	}
1751		2340
1752	my $nuke_counter = "aaaa";	2341	my $nuke_counter = "aaaa";
1753		2342
1754	sub nuke {	2343	sub nuke {
1755	my ($self) = @_;	2344	my ($self) = @_;
1756		2345
		2346	{
		2347	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2348
1757	delete $cf::MAP{$self->path};	2349	delete $cf::MAP{$self->path};
1758		2350
1759	$self->unlink_save;	2351	$self->unlink_save;
1760		2352
1761	bless $self, "cf::map";	2353	bless $self, "cf::map::wrap";
1762	delete $self->{deny_reset};	2354	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2355	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2356	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2357	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2358
1767	$cf::MAP{$self->path} = $self;	2359	$cf::MAP{$self->path} = $self;
		2360	}
1768		2361
1769	$self->reset; # polite request, might not happen	2362	$self->reset; # polite request, might not happen
		2363	}
		2364
		2365	=item $maps = cf::map::tmp_maps
		2366
		2367	Returns an arrayref with all map paths of currently instantiated and saved
		2368	maps. May block.
		2369
		2370	=cut
		2371
		2372	sub tmp_maps() {
		2373	[
		2374	map {
		2375	utf8::decode $_;
		2376	/\.map$/
		2377	? normalise $_
		2378	: ()
		2379	} @{ aio_readdir $TMPDIR or [] }
		2380	]
		2381	}
		2382
		2383	=item $maps = cf::map::random_maps
		2384
		2385	Returns an arrayref with all map paths of currently instantiated and saved
		2386	random maps. May block.
		2387
		2388	=cut
		2389
		2390	sub random_maps() {
		2391	[
		2392	map {
		2393	utf8::decode $_;
		2394	/\.map$/
		2395	? normalise "?random/$_"
		2396	: ()
		2397	} @{ aio_readdir $RANDOMDIR or [] }
		2398	]
1770	}	2399	}
1771		2400
1772	=item cf::map::unique_maps	2401	=item cf::map::unique_maps
1773		2402
1774	Returns an arrayref of paths of all shared maps that have	2403	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2404	instantiated unique items. May block.
1776		2405
1777	=cut	2406	=cut
1778		2407
1779	sub unique_maps() {	2408	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2409	[
1781	or return;	2410	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2411	utf8::decode $_;
1787	next if /\.pst$/;	2412	s/\.map$//; # TODO future compatibility hack
1788	next unless /^$PATH_SEP/o;	2413	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1789		2414	? ()
1790	push @paths, cf::map::normalise $_;	2415	: normalise $_
		2416	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2417	]
1792
1793	\@paths
1794	}	2418	}
1795		2419
1796	package cf;	2420	=item cf::map::static_maps
		2421
		2422	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2423	file in the shared directory excluding F</styles> and F</editor>). May
		2424	block.
		2425
		2426	=cut
		2427
		2428	sub static_maps() {
		2429	my @dirs = "";
		2430	my @maps;
		2431
		2432	while (@dirs) {
		2433	my $dir = shift @dirs;
		2434
		2435	next if $dir eq "/styles" || $dir eq "/editor";
		2436
		2437	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2438	or return;
		2439
		2440	for (@$files) {
		2441	s/\.map$// or next;
		2442	utf8::decode $_;
		2443	push @maps, "$dir/$_";
		2444	}
		2445
		2446	push @dirs, map "$dir/$_", @$dirs;
		2447	}
		2448
		2449	\@maps
		2450	}
1797		2451
1798	=back	2452	=back
1799		2453
1800	=head3 cf::object	2454	=head3 cf::object
1801		2455
…		…
1805		2459
1806	=over 4	2460	=over 4
1807		2461
1808	=item $ob->inv_recursive	2462	=item $ob->inv_recursive
1809		2463
1810	Returns the inventory of the object _and_ their inventories, recursively.	2464	Returns the inventory of the object I<and> their inventories, recursively,
		2465	but I<not> the object itself.
1811		2466
1812	=cut	2467	=cut
1813		2468
1814	sub inv_recursive_;	2469	sub inv_recursive_;
1815	sub inv_recursive_ {	2470	sub inv_recursive_ {
…		…
1818		2473
1819	sub inv_recursive {	2474	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2475	inv_recursive_ inv $_[0]
1821	}	2476	}
1822		2477
		2478	=item $ref = $ob->ref
		2479
		2480	Creates and returns a persistent reference to an object that can be stored as a string.
		2481
		2482	=item $ob = cf::object::deref ($refstring)
		2483
		2484	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2485	even if the object actually exists. May block.
		2486
		2487	=cut
		2488
		2489	sub deref {
		2490	my ($ref) = @_;
		2491
		2492	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2493	my ($uuid, $name) = ($1, $2);
		2494	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2495	or return;
		2496	$pl->ob->uuid eq $uuid
		2497	or return;
		2498
		2499	$pl->ob
		2500	} else {
		2501	warn "$ref: cannot resolve object reference\n";
		2502	undef
		2503	}
		2504	}
		2505
1823	package cf;	2506	package cf;
1824		2507
1825	=back	2508	=back
1826		2509
1827	=head3 cf::object::player	2510	=head3 cf::object::player
…		…
1833	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2516	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1834	can be C<undef>. Does the right thing when the player is currently in a	2517	can be C<undef>. Does the right thing when the player is currently in a
1835	dialogue with the given NPC character.	2518	dialogue with the given NPC character.
1836		2519
1837	=cut	2520	=cut
		2521
		2522	our $SAY_CHANNEL = {
		2523	id => "say",
		2524	title => "Map",
		2525	reply => "say ",
		2526	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2527	};
		2528
		2529	our $CHAT_CHANNEL = {
		2530	id => "chat",
		2531	title => "Chat",
		2532	reply => "chat ",
		2533	tooltip => "Player chat and shouts, global to the server.",
		2534	};
1838		2535
1839	# rough implementation of a future "reply" method that works	2536	# rough implementation of a future "reply" method that works
1840	# with dialog boxes.	2537	# with dialog boxes.
1841	#TODO: the first argument must go, split into a $npc->reply_to ( method	2538	#TODO: the first argument must go, split into a $npc->reply_to ( method
1842	sub cf::object::player::reply($$$;$) {	2539	sub cf::object::player::reply($$$;$) {
…		…
1844		2541
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2542	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2543
1847	if ($self->{record_replies}) {	2544	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2545	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2546
1849	} else {	2547	} else {
		2548	my $pl = $self->contr;
		2549
		2550	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2551	my $dialog = $pl->{npc_dialog};
		2552	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2553
		2554	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2555	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2556	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2557	}
1852	}	2558	}
		2559	}
		2560
		2561	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2562
		2563	=cut
		2564
		2565	sub cf::object::send_msg {
		2566	my $pl = shift->contr
		2567	or return;
		2568	$pl->send_msg (@_);
1853	}	2569	}
1854		2570
1855	=item $player_object->may ("access")	2571	=item $player_object->may ("access")
1856		2572
1857	Returns wether the given player is authorized to access resource "access"	2573	Returns wether the given player is authorized to access resource "access"
…		…
1870		2586
1871	=item $player_object->enter_link	2587	=item $player_object->enter_link
1872		2588
1873	Freezes the player and moves him/her to a special map (C<{link}>).	2589	Freezes the player and moves him/her to a special map (C<{link}>).
1874		2590
1875	The player should be reasonably safe there for short amounts of time. You	2591	The player should be reasonably safe there for short amounts of time (e.g.
1876	I<MUST> call C<leave_link> as soon as possible, though.	2592	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2593	though, as the player cannot control the character while it is on the link
		2594	map.
1877		2595
1878	Will never block.	2596	Will never block.
1879		2597
1880	=item $player_object->leave_link ($map, $x, $y)	2598	=item $player_object->leave_link ($map, $x, $y)
1881		2599
…		…
1901	sub cf::object::player::enter_link {	2619	sub cf::object::player::enter_link {
1902	my ($self) = @_;	2620	my ($self) = @_;
1903		2621
1904	$self->deactivate_recursive;	2622	$self->deactivate_recursive;
1905		2623
		2624	++$self->{_link_recursion};
		2625
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2626	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2627
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2628	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map && $self->map->{path} ne "{link}";	2629	if $self->map && $self->map->{path} ne "{link}";
1910		2630
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2631	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1912	}	2632	}
1913		2633
1914	sub cf::object::player::leave_link {	2634	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2635	my ($self, $map, $x, $y) = @_;
1916		2636
…		…
1933	($x, $y) = (-1, -1)	2653	($x, $y) = (-1, -1)
1934	unless (defined $x) && (defined $y);	2654	unless (defined $x) && (defined $y);
1935		2655
1936	# use -1 or undef as default coordinates, not 0, 0	2656	# use -1 or undef as default coordinates, not 0, 0
1937	($x, $y) = ($map->enter_x, $map->enter_y)	2657	($x, $y) = ($map->enter_x, $map->enter_y)
1938	if $x <=0 && $y <= 0;	2658	if $x <= 0 && $y <= 0;
1939		2659
1940	$map->load;	2660	$map->load;
1941	$map->load_diag;	2661	$map->load_neighbours;
1942		2662
1943	return unless $self->contr->active;	2663	return unless $self->contr->active;
1944	$self->activate_recursive;
1945		2664
1946	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2665	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1947	$self->enter_map ($map, $x, $y);	2666	if ($self->enter_map ($map, $x, $y)) {
1948	}	2667	# entering was successful
		2668	delete $self->{_link_recursion};
		2669	# only activate afterwards, to support waiting in hooks
		2670	$self->activate_recursive;
		2671	}
1949		2672
		2673	}
		2674
1950	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2675	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1951		2676
1952	Moves the player to the given map-path and coordinates by first freezing	2677	Moves the player to the given map-path and coordinates by first freezing
1953	her, loading and preparing them map, calling the provided $check callback	2678	her, loading and preparing them map, calling the provided $check callback
1954	that has to return the map if sucecssful, and then unfreezes the player on	2679	that has to return the map if sucecssful, and then unfreezes the player on
1955	the new (success) or old (failed) map position.	2680	the new (success) or old (failed) map position. In either case, $done will
		2681	be called at the end of this process.
		2682
		2683	Note that $check will be called with a potentially non-loaded map, so if
		2684	it needs a loaded map it has to call C<< ->load >>.
1956		2685
1957	=cut	2686	=cut
1958		2687
1959	our $GOTOGEN;	2688	our $GOTOGEN;
1960		2689
1961	sub cf::object::player::goto {	2690	sub cf::object::player::goto {
1962	my ($self, $path, $x, $y, $check) = @_;	2691	my ($self, $path, $x, $y, $check, $done) = @_;
		2692
		2693	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2694	warn "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2695	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2696	($path, $x, $y) = @$EMERGENCY_POSITION;
		2697	}
1963		2698
1964	# do generation counting so two concurrent goto's will be executed in-order	2699	# do generation counting so two concurrent goto's will be executed in-order
1965	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2700	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1966		2701
1967	$self->enter_link;	2702	$self->enter_link;
1968		2703
1969	(async {	2704	(async {
		2705	$Coro::current->{desc} = "player::goto $path $x $y";
		2706
		2707	# *tag paths override both path and x|y
		2708	if ($path =~ /^\*(.*)$/) {
		2709	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2710	my $ob = $obs[rand @obs];
		2711
		2712	# see if we actually can go there
		2713	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2714	$ob = $obs[rand @obs];
		2715	} else {
		2716	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2717	}
		2718	# else put us there anyways for now #d#
		2719
		2720	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2721	} else {
		2722	($path, $x, $y) = (undef, undef, undef);
		2723	}
		2724	}
		2725
1970	my $map = eval {	2726	my $map = eval {
1971	my $map = cf::map::find $path;	2727	my $map = defined $path ? cf::map::find $path : undef;
1972		2728
1973	if ($map) {	2729	if ($map) {
1974	$map = $map->customise_for ($self);	2730	$map = $map->customise_for ($self);
1975	$map = $check->($map) if $check && $map;	2731	$map = $check->($map, $x, $y, $self) if $check && $map;
1976	} else {	2732	} else {
1977	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2733	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1978	}	2734	}
1979		2735
1980	$map	2736	$map
1981	};	2737	};
1982		2738
…		…
1987		2743
1988	if ($gen == $self->{_goto_generation}) {	2744	if ($gen == $self->{_goto_generation}) {
1989	delete $self->{_goto_generation};	2745	delete $self->{_goto_generation};
1990	$self->leave_link ($map, $x, $y);	2746	$self->leave_link ($map, $x, $y);
1991	}	2747	}
		2748
		2749	$done->($self) if $done;
1992	})->prio (1);	2750	})->prio (1);
1993	}	2751	}
1994		2752
1995	=item $player_object->enter_exit ($exit_object)	2753	=item $player_object->enter_exit ($exit_object)
1996		2754
…		…
2016	}	2774	}
2017		2775
2018	sub prepare_random_map {	2776	sub prepare_random_map {
2019	my ($exit) = @_;	2777	my ($exit) = @_;
2020		2778
2021	my $guard = cf::lock_acquire "exit_prepare:$exit";
2022
2023	# all this does is basically replace the /! path by	2779	# all this does is basically replace the /! path by
2024	# a new random map path (?random/...) with a seed	2780	# a new random map path (?random/...) with a seed
2025	# that depends on the exit object	2781	# that depends on the exit object
2026		2782
2027	my $rmp = parse_random_map_params $exit->msg;	2783	my $rmp = parse_random_map_params $exit->msg;
…		…
2029	if ($exit->map) {	2785	if ($exit->map) {
2030	$rmp->{region} = $exit->region->name;	2786	$rmp->{region} = $exit->region->name;
2031	$rmp->{origin_map} = $exit->map->path;	2787	$rmp->{origin_map} = $exit->map->path;
2032	$rmp->{origin_x} = $exit->x;	2788	$rmp->{origin_x} = $exit->x;
2033	$rmp->{origin_y} = $exit->y;	2789	$rmp->{origin_y} = $exit->y;
		2790
		2791	$exit->map->touch;
2034	}	2792	}
2035		2793
2036	$rmp->{random_seed} ||= $exit->random_seed;	2794	$rmp->{random_seed} ||= $exit->random_seed;
2037		2795
2038	my $data = cf::to_json $rmp;	2796	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2039	my $md5 = Digest::MD5::md5_hex $data;	2797	my $md5 = Digest::MD5::md5_hex $data;
2040	my $meta = "$RANDOMDIR/$md5.meta";	2798	my $meta = "$RANDOMDIR/$md5.meta";
2041		2799
2042	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2800	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2043	aio_write $fh, 0, (length $data), $data, 0;	2801	aio_write $fh, 0, (length $data), $data, 0;
2044	undef $fh;	2802	undef $fh;
2045	aio_rename "$meta~", $meta;	2803	aio_rename "$meta~", $meta;
2046		2804
		2805	my $slaying = "?random/$md5";
		2806
		2807	if ($exit->valid) {
2047	$exit->slaying ("?random/$md5");	2808	$exit->slaying ("?random/$md5");
2048	$exit->msg (undef);	2809	$exit->msg (undef);
		2810	}
2049	}	2811	}
2050	}	2812	}
2051		2813
2052	sub cf::object::player::enter_exit {	2814	sub cf::object::player::enter_exit {
2053	my ($self, $exit) = @_;	2815	my ($self, $exit) = @_;
2054		2816
2055	return unless $self->type == cf::PLAYER;	2817	return unless $self->type == cf::PLAYER;
2056		2818
2057	if ($exit->slaying eq "/!") {
2058	#TODO: this should de-fi-ni-te-ly not be a sync-job
2059	# the problem is that $exit might not survive long enough
2060	# so it needs to be done right now, right here
2061	cf::sync_job { prepare_random_map $exit };
2062	}
2063
2064	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2065	my $hp = $exit->stats->hp;
2066	my $sp = $exit->stats->sp;
2067
2068	$self->enter_link;	2819	$self->enter_link;
2069		2820
2070	(async {	2821	(async {
2071	$self->deactivate_recursive; # just to be sure	2822	$Coro::current->{desc} = "enter_exit";
		2823
2072	unless (eval {	2824	unless (eval {
		2825	$self->deactivate_recursive; # just to be sure
		2826
		2827	# random map handling
		2828	{
		2829	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2830
		2831	prepare_random_map $exit
		2832	if $exit->slaying eq "/!";
		2833	}
		2834
		2835	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2836	my $x = $exit->stats->hp;
		2837	my $y = $exit->stats->sp;
		2838
2073	$self->goto ($slaying, $hp, $sp);	2839	$self->goto ($map, $x, $y);
2074		2840
		2841	# if exit is damned, update players death & WoR home-position
		2842	$self->contr->savebed ($map, $x, $y)
		2843	if $exit->flag (cf::FLAG_DAMNED);
		2844
2075	1;	2845	1
2076	}) {	2846	}) {
2077	$self->message ("Something went wrong deep within the crossfire server. "	2847	$self->message ("Something went wrong deep within the deliantra server. "
2078	. "I'll try to bring you back to the map you were before. "	2848	. "I'll try to bring you back to the map you were before. "
2079	. "Please report this to the dungeon master!",	2849	. "Please report this to the dungeon master!",
2080	cf::NDI_UNIQUE | cf::NDI_RED);	2850	cf::NDI_UNIQUE | cf::NDI_RED);
2081		2851
2082	warn "ERROR in enter_exit: $@";	2852	warn "ERROR in enter_exit: $@";
…		…
2101		2871
2102	utf8::encode $text;	2872	utf8::encode $text;
2103	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2873	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2104	}	2874	}
2105		2875
		2876	=item $client->send_big_packet ($pkt)
		2877
		2878	Like C<send_packet>, but tries to compress large packets, and fragments
		2879	them as required.
		2880
		2881	=cut
		2882
		2883	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2884
		2885	sub cf::client::send_big_packet {
		2886	my ($self, $pkt) = @_;
		2887
		2888	# try lzf for large packets
		2889	$pkt = "lzf " . Compress::LZF::compress $pkt
		2890	if 1024 <= length $pkt and $self->{can_lzf};
		2891
		2892	# split very large packets
		2893	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2894	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2895	$pkt = "frag";
		2896	}
		2897
		2898	$self->send_packet ($pkt);
		2899	}
		2900
		2901	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2902
		2903	Send a drawinfo or msg packet to the client, formatting the msg for the
		2904	client if neccessary. C<$type> should be a string identifying the type of
		2905	the message, with C<log> being the default. If C<$color> is negative, suppress
		2906	the message unless the client supports the msg packet.
		2907
		2908	=cut
		2909
		2910	# non-persistent channels (usually the info channel)
		2911	our %CHANNEL = (
		2912	"c/motd" => {
		2913	id => "infobox",
		2914	title => "MOTD",
		2915	reply => undef,
		2916	tooltip => "The message of the day",
		2917	},
		2918	"c/identify" => {
		2919	id => "infobox",
		2920	title => "Identify",
		2921	reply => undef,
		2922	tooltip => "Items recently identified",
		2923	},
		2924	"c/examine" => {
		2925	id => "infobox",
		2926	title => "Examine",
		2927	reply => undef,
		2928	tooltip => "Signs and other items you examined",
		2929	},
		2930	"c/shopinfo" => {
		2931	id => "infobox",
		2932	title => "Shop Info",
		2933	reply => undef,
		2934	tooltip => "What your bargaining skill tells you about the shop",
		2935	},
		2936	"c/book" => {
		2937	id => "infobox",
		2938	title => "Book",
		2939	reply => undef,
		2940	tooltip => "The contents of a note or book",
		2941	},
		2942	"c/lookat" => {
		2943	id => "infobox",
		2944	title => "Look",
		2945	reply => undef,
		2946	tooltip => "What you saw there",
		2947	},
		2948	"c/who" => {
		2949	id => "infobox",
		2950	title => "Players",
		2951	reply => undef,
		2952	tooltip => "Shows players who are currently online",
		2953	},
		2954	"c/body" => {
		2955	id => "infobox",
		2956	title => "Body Parts",
		2957	reply => undef,
		2958	tooltip => "Shows which body parts you posess and are available",
		2959	},
		2960	"c/statistics" => {
		2961	id => "infobox",
		2962	title => "Statistics",
		2963	reply => undef,
		2964	tooltip => "Shows your primary statistics",
		2965	},
		2966	"c/skills" => {
		2967	id => "infobox",
		2968	title => "Skills",
		2969	reply => undef,
		2970	tooltip => "Shows your experience per skill and item power",
		2971	},
		2972	"c/shopitems" => {
		2973	id => "infobox",
		2974	title => "Shop Items",
		2975	reply => undef,
		2976	tooltip => "Shows the items currently for sale in this shop",
		2977	},
		2978	"c/resistances" => {
		2979	id => "infobox",
		2980	title => "Resistances",
		2981	reply => undef,
		2982	tooltip => "Shows your resistances",
		2983	},
		2984	"c/pets" => {
		2985	id => "infobox",
		2986	title => "Pets",
		2987	reply => undef,
		2988	tooltip => "Shows information abotu your pets/a specific pet",
		2989	},
		2990	"c/perceiveself" => {
		2991	id => "infobox",
		2992	title => "Perceive Self",
		2993	reply => undef,
		2994	tooltip => "You gained detailed knowledge about yourself",
		2995	},
		2996	"c/uptime" => {
		2997	id => "infobox",
		2998	title => "Uptime",
		2999	reply => undef,
		3000	tooltip => "How long the server has been running since last restart",
		3001	},
		3002	"c/mapinfo" => {
		3003	id => "infobox",
		3004	title => "Map Info",
		3005	reply => undef,
		3006	tooltip => "Information related to the maps",
		3007	},
		3008	"c/party" => {
		3009	id => "party",
		3010	title => "Party",
		3011	reply => "gsay ",
		3012	tooltip => "Messages and chat related to your party",
		3013	},
		3014	"c/death" => {
		3015	id => "death",
		3016	title => "Death",
		3017	reply => undef,
		3018	tooltip => "Reason for and more info about your most recent death",
		3019	},
		3020	"c/say" => $SAY_CHANNEL,
		3021	"c/chat" => $CHAT_CHANNEL,
		3022	);
		3023
		3024	sub cf::client::send_msg {
		3025	my ($self, $channel, $msg, $color, @extra) = @_;
		3026
		3027	$msg = $self->pl->expand_cfpod ($msg)
		3028	unless $color & cf::NDI_VERBATIM;
		3029
		3030	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3031
		3032	# check predefined channels, for the benefit of C
		3033	if ($CHANNEL{$channel}) {
		3034	$channel = $CHANNEL{$channel};
		3035
		3036	$self->ext_msg (channel_info => $channel);
		3037	$channel = $channel->{id};
		3038
		3039	} elsif (ref $channel) {
		3040	# send meta info to client, if not yet sent
		3041	unless (exists $self->{channel}{$channel->{id}}) {
		3042	$self->{channel}{$channel->{id}} = $channel;
		3043	$self->ext_msg (channel_info => $channel);
		3044	}
		3045
		3046	$channel = $channel->{id};
		3047	}
		3048
		3049	return unless @extra || length $msg;
		3050
		3051	# default colour, mask it out
		3052	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3053	if $color & cf::NDI_DEF;
		3054
		3055	my $pkt = "msg "
		3056	. $self->{json_coder}->encode (
		3057	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3058	);
		3059
		3060	$self->send_big_packet ($pkt);
		3061	}
		3062
2106	=item $client->ext_event ($type, %msg)	3063	=item $client->ext_msg ($type, @msg)
2107		3064
2108	Sends an exti event to the client.	3065	Sends an ext event to the client.
2109		3066
2110	=cut	3067	=cut
2111		3068
2112	sub cf::client::ext_event($$%) {	3069	sub cf::client::ext_msg($$@) {
2113	my ($self, $type, %msg) = @_;	3070	my ($self, $type, @msg) = @_;
2114		3071
		3072	if ($self->extcmd == 2) {
		3073	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3074	} elsif ($self->extcmd == 1) { # TODO: remove
2115	$msg{msgtype} = "event_$type";	3075	push @msg, msgtype => "event_$type";
2116	$self->send_packet ("ext " . cf::to_json \%msg);	3076	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3077	}
		3078	}
		3079
		3080	=item $client->ext_reply ($msgid, @msg)
		3081
		3082	Sends an ext reply to the client.
		3083
		3084	=cut
		3085
		3086	sub cf::client::ext_reply($$@) {
		3087	my ($self, $id, @msg) = @_;
		3088
		3089	if ($self->extcmd == 2) {
		3090	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3091	} elsif ($self->extcmd == 1) {
		3092	#TODO: version 1, remove
		3093	unshift @msg, msgtype => "reply", msgid => $id;
		3094	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3095	}
2117	}	3096	}
2118		3097
2119	=item $success = $client->query ($flags, "text", \&cb)	3098	=item $success = $client->query ($flags, "text", \&cb)
2120		3099
2121	Queues a query to the client, calling the given callback with	3100	Queues a query to the client, calling the given callback with
2122	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3101	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2123	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3102	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2124		3103
2125	Queries can fail, so check the return code. Or don't, as queries will become	3104	Queries can fail, so check the return code. Or don't, as queries will
2126	reliable at some point in the future.	3105	become reliable at some point in the future.
2127		3106
2128	=cut	3107	=cut
2129		3108
2130	sub cf::client::query {	3109	sub cf::client::query {
2131	my ($self, $flags, $text, $cb) = @_;	3110	my ($self, $flags, $text, $cb) = @_;
…		…
2139	utf8::encode $text;	3118	utf8::encode $text;
2140	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3119	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2141		3120
2142	$self->send_packet ($self->{query_queue}[0][0])	3121	$self->send_packet ($self->{query_queue}[0][0])
2143	if @{ $self->{query_queue} } == 1;	3122	if @{ $self->{query_queue} } == 1;
		3123
		3124	1
2144	}	3125	}
2145		3126
2146	cf::client->attach (	3127	cf::client->attach (
		3128	on_connect => sub {
		3129	my ($ns) = @_;
		3130
		3131	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3132	},
2147	on_reply => sub {	3133	on_reply => sub {
2148	my ($ns, $msg) = @_;	3134	my ($ns, $msg) = @_;
2149		3135
2150	# this weird shuffling is so that direct followup queries	3136	# this weird shuffling is so that direct followup queries
2151	# get handled first	3137	# get handled first
…		…
2163	} else {	3149	} else {
2164	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3150	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2165	}	3151	}
2166	}	3152	}
2167	},	3153	},
		3154	on_exticmd => sub {
		3155	my ($ns, $buf) = @_;
		3156
		3157	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3158
		3159	if (ref $msg) {
		3160	my ($type, $reply, @payload) =
		3161	"ARRAY" eq ref $msg
		3162	? @$msg
		3163	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3164
		3165	my @reply;
		3166
		3167	if (my $cb = $EXTICMD{$type}) {
		3168	@reply = $cb->($ns, @payload);
		3169	}
		3170
		3171	$ns->ext_reply ($reply, @reply)
		3172	if $reply;
		3173
		3174	} else {
		3175	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3176	}
		3177
		3178	cf::override;
		3179	},
2168	);	3180	);
2169		3181
2170	=item $client->async (\&cb)	3182	=item $client->async (\&cb)
2171		3183
2172	Create a new coroutine, running the specified callback. The coroutine will	3184	Create a new coroutine, running the specified callback. The coroutine will
…		…
2188		3200
2189	$coro	3201	$coro
2190	}	3202	}
2191		3203
2192	cf::client->attach (	3204	cf::client->attach (
2193	on_destroy => sub {	3205	on_client_destroy => sub {
2194	my ($ns) = @_;	3206	my ($ns) = @_;
2195		3207
2196	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3208	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2197	},	3209	},
2198	);	3210	);
…		…
2213	our $safe = new Safe "safe";	3225	our $safe = new Safe "safe";
2214	our $safe_hole = new Safe::Hole;	3226	our $safe_hole = new Safe::Hole;
2215		3227
2216	$SIG{FPE} = 'IGNORE';	3228	$SIG{FPE} = 'IGNORE';
2217		3229
2218	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3230	$safe->permit_only (Opcode::opset qw(
		3231	:base_core :base_mem :base_orig :base_math :base_loop
		3232	grepstart grepwhile mapstart mapwhile
		3233	sort time
		3234	));
2219		3235
2220	# here we export the classes and methods available to script code	3236	# here we export the classes and methods available to script code
2221		3237
2222	=pod	3238	=pod
2223		3239
2224	The following functions and methods are available within a safe environment:	3240	The following functions and methods are available within a safe environment:
2225		3241
2226	cf::object contr pay_amount pay_player map	3242	cf::object
		3243	contr pay_amount pay_player map x y force_find force_add destroy
		3244	insert remove name archname title slaying race decrease split
		3245	value
		3246
2227	cf::object::player player	3247	cf::object::player
2228	cf::player peaceful	3248	player
2229	cf::map trigger	3249
		3250	cf::player
		3251	peaceful
		3252
		3253	cf::map
		3254	trigger
2230		3255
2231	=cut	3256	=cut
2232		3257
2233	for (	3258	for (
2234	["cf::object" => qw(contr pay_amount pay_player map)],	3259	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3260	insert remove inv nrof name archname title slaying race
		3261	decrease split destroy change_exp value msg lore send_msg)],
2235	["cf::object::player" => qw(player)],	3262	["cf::object::player" => qw(player)],
2236	["cf::player" => qw(peaceful)],	3263	["cf::player" => qw(peaceful send_msg)],
2237	["cf::map" => qw(trigger)],	3264	["cf::map" => qw(trigger)],
2238	) {	3265	) {
2239	no strict 'refs';	3266	no strict 'refs';
2240	my ($pkg, @funs) = @$_;	3267	my ($pkg, @funs) = @$_;
2241	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3268	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2259		3286
2260	my $qcode = $code;	3287	my $qcode = $code;
2261	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3288	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2262	$qcode =~ s/\n/\\n/g;	3289	$qcode =~ s/\n/\\n/g;
2263		3290
		3291	%vars = (_dummy => 0) unless %vars;
		3292
		3293	my @res;
2264	local $_;	3294	local $_;
2265	local @safe::cf::_safe_eval_args = values %vars;
2266		3295
2267	my $eval =	3296	my $eval =
2268	"do {\n"	3297	"do {\n"
2269	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3298	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2270	. "#line 0 \"{$qcode}\"\n"	3299	. "#line 0 \"{$qcode}\"\n"
2271	. $code	3300	. $code
2272	. "\n}"	3301	. "\n}"
2273	;	3302	;
2274		3303
		3304	if ($CFG{safe_eval}) {
2275	sub_generation_inc;	3305	sub_generation_inc;
		3306	local @safe::cf::_safe_eval_args = values %vars;
2276	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3307	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2277	sub_generation_inc;	3308	sub_generation_inc;
		3309	} else {
		3310	local @cf::_safe_eval_args = values %vars;
		3311	@res = wantarray ? eval eval : scalar eval $eval;
		3312	}
2278		3313
2279	if ($@) {	3314	if ($@) {
2280	warn "$@";	3315	warn "$@";
2281	warn "while executing safe code '$code'\n";	3316	warn "while executing safe code '$code'\n";
2282	warn "with arguments " . (join " ", %vars) . "\n";	3317	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2301	=cut	3336	=cut
2302		3337
2303	sub register_script_function {	3338	sub register_script_function {
2304	my ($fun, $cb) = @_;	3339	my ($fun, $cb) = @_;
2305		3340
2306	no strict 'refs';	3341	$fun = "safe::$fun" if $CFG{safe_eval};
2307	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3342	*$fun = $safe_hole->wrap ($cb);
2308	}	3343	}
2309		3344
2310	=back	3345	=back
2311		3346
2312	=cut	3347	=cut
2313
2314	#############################################################################
2315
2316	=head2 EXTENSION DATABASE SUPPORT
2317
2318	Crossfire maintains a very simple database for extension use. It can
2319	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2320	convert to/from binary).
2321
2322	The parameter C<$family> should best start with the name of the extension
2323	using it, it should be unique.
2324
2325	=over 4
2326
2327	=item $value = cf::db_get $family => $key
2328
2329	Returns a single value from the database.
2330
2331	=item cf::db_put $family => $key => $value
2332
2333	Stores the given C<$value> in the family.
2334
2335	=cut
2336
2337	our $DB;
2338
2339	sub db_init {
2340	unless ($DB) {
2341	$DB = BDB::db_create $DB_ENV;
2342
2343	cf::sync_job {
2344	eval {
2345	$DB->set_flags (BDB::CHKSUM);
2346
2347	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2348	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2349	cf::cleanup "db_open(db): $!" if $!;
2350	};
2351	cf::cleanup "db_open(db): $@" if $@;
2352	};
2353	}
2354	}
2355
2356	sub db_get($$) {
2357	my $key = "$_[0]/$_[1]";
2358
2359	cf::sync_job {
2360	BDB::db_get $DB, undef, $key, my $data;
2361
2362	$! ? ()
2363	: $data
2364	}
2365	}
2366
2367	sub db_put($$$) {
2368	BDB::dbreq_pri 4;
2369	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2370	}
2371
2372	=item cf::cache $id => [$paths...], $processversion => $process
2373
2374	Generic caching function that returns the value of the resource $id,
2375	caching and regenerating as required.
2376
2377	This function can block.
2378
2379	=cut
2380
2381	sub cache {
2382	my ($id, $src, $processversion, $process) = @_;
2383
2384	my $meta =
2385	join "\x00",
2386	$processversion,
2387	map {
2388	aio_stat $_
2389	and Carp::croak "$_: $!";
2390
2391	($_, (stat _)[7,9])
2392	} @$src;
2393
2394	my $dbmeta = db_get cache => "$id/meta";
2395	if ($dbmeta ne $meta) {
2396	# changed, we may need to process
2397
2398	my @data;
2399	my $md5;
2400
2401	for (0 .. $#$src) {
2402	0 <= aio_load $src->[$_], $data[$_]
2403	or Carp::croak "$src->[$_]: $!";
2404	}
2405
2406	# if processing is expensive, check
2407	# checksum first
2408	if (1) {
2409	$md5 =
2410	join "\x00",
2411	$processversion,
2412	map {
2413	Coro::cede;
2414	($src->[$_], Digest::MD5::md5_hex $data[$_])
2415	} 0.. $#$src;
2416
2417
2418	my $dbmd5 = db_get cache => "$id/md5";
2419	if ($dbmd5 eq $md5) {
2420	db_put cache => "$id/meta", $meta;
2421
2422	return db_get cache => "$id/data";
2423	}
2424	}
2425
2426	my $t1 = Time::HiRes::time;
2427	my $data = $process->(\@data);
2428	my $t2 = Time::HiRes::time;
2429
2430	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2431
2432	db_put cache => "$id/data", $data;
2433	db_put cache => "$id/md5" , $md5;
2434	db_put cache => "$id/meta", $meta;
2435
2436	return $data;
2437	}
2438
2439	db_get cache => "$id/data"
2440	}
2441
2442	=item fork_call { }, $args
2443
2444	Executes the given code block with the given arguments in a seperate
2445	process, returning the results. Everything must be serialisable with
2446	Coro::Storable. May, of course, block. Note that the executed sub may
2447	never block itself or use any form of Event handling.
2448
2449	=cut
2450
2451	sub fork_call(&@) {
2452	my ($cb, @args) = @_;
2453
2454	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2455	# or die "socketpair: $!";
2456	pipe my $fh1, my $fh2
2457	or die "pipe: $!";
2458
2459	if (my $pid = fork) {
2460	close $fh2;
2461
2462	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2463	$res = Coro::Storable::thaw $res;
2464
2465	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2466
2467	die $$res unless "ARRAY" eq ref $res;
2468
2469	return wantarray ? @$res : $res->[-1];
2470	} else {
2471	reset_signals;
2472	local $SIG{__WARN__};
2473	local $SIG{__DIE__};
2474	eval {
2475	close $fh1;
2476
2477	my @res = eval { $cb->(@args) };
2478	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2479	};
2480
2481	warn $@ if $@;
2482	_exit 0;
2483	}
2484	}
2485
2486
2487		3348
2488	#############################################################################	3349	#############################################################################
2489	# the server's init and main functions	3350	# the server's init and main functions
2490		3351
2491	sub load_facedata($) {	3352	sub load_facedata($) {
2492	my ($path) = @_;	3353	my ($path) = @_;
		3354
		3355	# HACK to clear player env face cache, we need some signal framework
		3356	# for this (global event?)
		3357	%ext::player_env::MUSIC_FACE_CACHE = ();
		3358
		3359	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2493		3360
2494	warn "loading facedata from $path\n";	3361	warn "loading facedata from $path\n";
2495		3362
2496	my $facedata;	3363	my $facedata;
2497	0 < aio_load $path, $facedata	3364	0 < aio_load $path, $facedata
…		…
2500	$facedata = Coro::Storable::thaw $facedata;	3367	$facedata = Coro::Storable::thaw $facedata;
2501		3368
2502	$facedata->{version} == 2	3369	$facedata->{version} == 2
2503	or cf::cleanup "$path: version mismatch, cannot proceed.";	3370	or cf::cleanup "$path: version mismatch, cannot proceed.";
2504		3371
		3372	# patch in the exptable
		3373	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3374	$facedata->{resource}{"res/exp_table"} = {
		3375	type => FT_RSRC,
		3376	data => $exp_table,
		3377	hash => (Digest::MD5::md5 $exp_table),
		3378	};
		3379	cf::cede_to_tick;
		3380
2505	{	3381	{
2506	my $faces = $facedata->{faceinfo};	3382	my $faces = $facedata->{faceinfo};
2507		3383
2508	while (my ($face, $info) = each %$faces) {	3384	while (my ($face, $info) = each %$faces) {
2509	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3385	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3386
2510	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3387	cf::face::set_visibility $idx, $info->{visibility};
		3388	cf::face::set_magicmap $idx, $info->{magicmap};
2511	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3389	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2512	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3390	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2513	Coro::cede;	3391
		3392	cf::cede_to_tick;
2514	}	3393	}
2515		3394
2516	while (my ($face, $info) = each %$faces) {	3395	while (my ($face, $info) = each %$faces) {
2517	next unless $info->{smooth};	3396	next unless $info->{smooth};
		3397
2518	my $idx = cf::face::find $face	3398	my $idx = cf::face::find $face
2519	or next;	3399	or next;
		3400
2520	if (my $smooth = cf::face::find $info->{smooth}) {	3401	if (my $smooth = cf::face::find $info->{smooth}) {
		3402	cf::face::set_smooth $idx, $smooth;
2521	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3403	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2522	} else {	3404	} else {
2523	warn "smooth face '$info->{smooth}' not found for face '$face'";	3405	warn "smooth face '$info->{smooth}' not found for face '$face'";
2524	}	3406	}
2525	Coro::cede;	3407
		3408	cf::cede_to_tick;
2526	}	3409	}
2527	}	3410	}
2528		3411
2529	{	3412	{
2530	my $anims = $facedata->{animinfo};	3413	my $anims = $facedata->{animinfo};
2531		3414
2532	while (my ($anim, $info) = each %$anims) {	3415	while (my ($anim, $info) = each %$anims) {
2533	cf::anim::set $anim, $info->{frames}, $info->{facings};	3416	cf::anim::set $anim, $info->{frames}, $info->{facings};
2534	Coro::cede;	3417	cf::cede_to_tick;
2535	}	3418	}
2536		3419
2537	cf::anim::invalidate_all; # d'oh	3420	cf::anim::invalidate_all; # d'oh
2538	}	3421	}
2539		3422
		3423	{
		3424	my $res = $facedata->{resource};
		3425
		3426	while (my ($name, $info) = each %$res) {
		3427	if (defined $info->{type}) {
		3428	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3429
		3430	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3431	cf::face::set_type $idx, $info->{type};
		3432	} else {
		3433	$RESOURCE{$name} = $info; # unused
		3434	}
		3435
		3436	cf::cede_to_tick;
		3437	}
		3438	}
		3439
		3440	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3441
2540	1	3442	1
2541	}	3443	}
2542		3444
		3445	register_exticmd fx_want => sub {
		3446	my ($ns, $want) = @_;
		3447
		3448	while (my ($k, $v) = each %$want) {
		3449	$ns->fx_want ($k, $v);
		3450	}
		3451	};
		3452
		3453	sub load_resource_file($) {
		3454	my $guard = lock_acquire "load_resource_file";
		3455
		3456	my $status = load_resource_file_ $_[0];
		3457	get_slot 0.1, 100;
		3458	cf::arch::commit_load;
		3459
		3460	$status
		3461	}
		3462
2543	sub reload_regions {	3463	sub reload_regions {
		3464	# HACK to clear player env face cache, we need some signal framework
		3465	# for this (global event?)
		3466	%ext::player_env::MUSIC_FACE_CACHE = ();
		3467
2544	load_resource_file "$MAPDIR/regions"	3468	load_resource_file "$MAPDIR/regions"
2545	or die "unable to load regions file\n";	3469	or die "unable to load regions file\n";
		3470
		3471	for (cf::region::list) {
		3472	$_->{match} = qr/$_->{match}/
		3473	if exists $_->{match};
		3474	}
2546	}	3475	}
2547		3476
2548	sub reload_facedata {	3477	sub reload_facedata {
2549	load_facedata "$DATADIR/facedata"	3478	load_facedata "$DATADIR/facedata"
2550	or die "unable to load facedata\n";	3479	or die "unable to load facedata\n";
…		…
2558	sub reload_treasures {	3487	sub reload_treasures {
2559	load_resource_file "$DATADIR/treasures"	3488	load_resource_file "$DATADIR/treasures"
2560	or die "unable to load treasurelists\n";	3489	or die "unable to load treasurelists\n";
2561	}	3490	}
2562		3491
		3492	sub reload_sound {
		3493	warn "loading sound config from $DATADIR/sound\n";
		3494
		3495	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3496	or die "$DATADIR/sound $!";
		3497
		3498	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3499
		3500	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3501	my $sound = $soundconf->{compat}[$_]
		3502	or next;
		3503
		3504	my $face = cf::face::find "sound/$sound->[1]";
		3505	cf::sound::set $sound->[0] => $face;
		3506	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3507	}
		3508
		3509	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3510	my $face = cf::face::find "sound/$v";
		3511	cf::sound::set $k => $face;
		3512	}
		3513	}
		3514
2563	sub reload_resources {	3515	sub reload_resources {
2564	warn "reloading resource files...\n";	3516	warn "reloading resource files...\n";
2565		3517
		3518	reload_facedata;
		3519	reload_sound;
		3520	reload_archetypes;
2566	reload_regions;	3521	reload_regions;
2567	reload_facedata;
2568	reload_archetypes;
2569	reload_treasures;	3522	reload_treasures;
2570		3523
2571	warn "finished reloading resource files\n";	3524	warn "finished reloading resource files\n";
2572	}	3525	}
2573		3526
2574	sub init {	3527	sub reload_config {
2575	reload_resources;	3528	warn "reloading config file...\n";
2576	}
2577		3529
2578	sub cfg_load {
2579	open my $fh, "<:utf8", "$CONFDIR/config"	3530	open my $fh, "<:utf8", "$CONFDIR/config"
2580	or return;	3531	or return;
2581		3532
2582	local $/;	3533	local $/;
2583	*CFG = YAML::Syck::Load <$fh>;	3534	*CFG = YAML::XS::Load scalar <$fh>;
2584		3535
2585	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3536	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2586		3537
2587	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3538	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2588	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3539	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2589		3540
2590	if (exists $CFG{mlockall}) {	3541	if (exists $CFG{mlockall}) {
…		…
2592	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3543	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2593	and die "WARNING: m(un)lockall failed: $!\n";	3544	and die "WARNING: m(un)lockall failed: $!\n";
2594	};	3545	};
2595	warn $@ if $@;	3546	warn $@ if $@;
2596	}	3547	}
		3548
		3549	warn "finished reloading resource files\n";
		3550	}
		3551
		3552	sub pidfile() {
		3553	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3554	or die "$PIDFILE: $!";
		3555	flock $fh, &Fcntl::LOCK_EX
		3556	or die "$PIDFILE: flock: $!";
		3557	$fh
		3558	}
		3559
		3560	# make sure only one server instance is running at any one time
		3561	sub atomic {
		3562	my $fh = pidfile;
		3563
		3564	my $pid = <$fh>;
		3565	kill 9, $pid if $pid > 0;
		3566
		3567	seek $fh, 0, 0;
		3568	print $fh $$;
		3569	}
		3570
		3571	sub main_loop {
		3572	warn "EV::loop starting\n";
		3573	if (1) {
		3574	EV::loop;
		3575	}
		3576	warn "EV::loop returned\n";
		3577	goto &main_loop unless $REALLY_UNLOOP;
2597	}	3578	}
2598		3579
2599	sub main {	3580	sub main {
		3581	cf::init_globals; # initialise logging
		3582
		3583	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3584	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3585	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3586	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3587
		3588	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3589
2600	# we must not ever block the main coroutine	3590	# we must not ever block the main coroutine
2601	local $Coro::idle = sub {	3591	local $Coro::idle = sub {
2602	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3592	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2603	(async {	3593	(async {
2604	Event::one_event;	3594	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3595	EV::loop EV::LOOP_ONESHOT;
2605	})->prio (Coro::PRIO_MAX);	3596	})->prio (Coro::PRIO_MAX);
2606	};	3597	};
2607		3598
2608	cfg_load;	3599	evthread_start IO::AIO::poll_fileno;
		3600
		3601	cf::sync_job {
		3602	cf::init_experience;
		3603	cf::init_anim;
		3604	cf::init_attackmess;
		3605	cf::init_dynamic;
		3606
		3607	cf::load_settings;
		3608	cf::load_materials;
		3609
		3610	reload_resources;
		3611	reload_config;
2609	db_init;	3612	db_init;
		3613
		3614	cf::init_uuid;
		3615	cf::init_signals;
		3616	cf::init_skills;
		3617
		3618	cf::init_beforeplay;
		3619
		3620	atomic;
		3621
2610	load_extensions;	3622	load_extensions;
2611		3623
2612	$TICK_WATCHER->start;	3624	utime time, time, $RUNTIMEFILE;
2613	Event::loop;	3625
		3626	# no (long-running) fork's whatsoever before this point(!)
		3627	use POSIX ();
		3628	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3629
		3630	(pop @POST_INIT)->(0) while @POST_INIT;
		3631	};
		3632
		3633	cf::object::thawer::errors_are_fatal 0;
		3634	warn "parse errors in files are no longer fatal from this point on.\n";
		3635
		3636	main_loop;
2614	}	3637	}
2615		3638
2616	#############################################################################	3639	#############################################################################
2617	# initialisation and cleanup	3640	# initialisation and cleanup
2618		3641
2619	# install some emergency cleanup handlers	3642	# install some emergency cleanup handlers
2620	BEGIN {	3643	BEGIN {
		3644	our %SIGWATCHER = ();
2621	for my $signal (qw(INT HUP TERM)) {	3645	for my $signal (qw(INT HUP TERM)) {
2622	Event->signal (	3646	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2623	reentrant => 0,
2624	data => WF_AUTOCANCEL,
2625	signal => $signal,
2626	prio => 0,
2627	cb => sub {
2628	cf::cleanup "SIG$signal";	3647	cf::cleanup "SIG$signal";
2629	},
2630	);	3648	};
		3649	}
		3650	}
		3651
		3652	sub write_runtime_sync {
		3653	my $t0 = AE::time;
		3654
		3655	# first touch the runtime file to show we are still running:
		3656	# the fsync below can take a very very long time.
		3657
		3658	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3659
		3660	my $guard = cf::lock_acquire "write_runtime";
		3661
		3662	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3663	or return;
		3664
		3665	my $value = $cf::RUNTIME + 90 + 10;
		3666	# 10 is the runtime save interval, for a monotonic clock
		3667	# 60 allows for the watchdog to kill the server.
		3668
		3669	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3670	and return;
		3671
		3672	# always fsync - this file is important
		3673	aio_fsync $fh
		3674	and return;
		3675
		3676	# touch it again to show we are up-to-date
		3677	aio_utime $fh, undef, undef;
		3678
		3679	close $fh
		3680	or return;
		3681
		3682	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3683	and return;
		3684
		3685	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3686
2631	}	3687	1
		3688	}
		3689
		3690	our $uuid_lock;
		3691	our $uuid_skip;
		3692
		3693	sub write_uuid_sync($) {
		3694	$uuid_skip ||= $_[0];
		3695
		3696	return if $uuid_lock;
		3697	local $uuid_lock = 1;
		3698
		3699	my $uuid = "$LOCALDIR/uuid";
		3700
		3701	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3702	or return;
		3703
		3704	my $value = uuid_seq uuid_cur;
		3705
		3706	unless ($value) {
		3707	warn "cowardly refusing to write zero uuid value!\n";
		3708	return;
		3709	}
		3710
		3711	my $value = uuid_str $value + $uuid_skip;
		3712	$uuid_skip = 0;
		3713
		3714	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3715	and return;
		3716
		3717	# always fsync - this file is important
		3718	aio_fsync $fh
		3719	and return;
		3720
		3721	close $fh
		3722	or return;
		3723
		3724	aio_rename "$uuid~", $uuid
		3725	and return;
		3726
		3727	warn "uuid file written ($value).\n";
		3728
		3729	1
		3730
		3731	}
		3732
		3733	sub write_uuid($$) {
		3734	my ($skip, $sync) = @_;
		3735
		3736	$sync ? write_uuid_sync $skip
		3737	: async { write_uuid_sync $skip };
2632	}	3738	}
2633		3739
2634	sub emergency_save() {	3740	sub emergency_save() {
2635	my $freeze_guard = cf::freeze_mainloop;	3741	my $freeze_guard = cf::freeze_mainloop;
2636		3742
2637	warn "enter emergency perl save\n";	3743	warn "emergency_perl_save: enter\n";
2638		3744
2639	cf::sync_job {	3745	cf::sync_job {
		3746	# this is a trade-off: we want to be very quick here, so
		3747	# save all maps without fsync, and later call a global sync
		3748	# (which in turn might be very very slow)
		3749	local $USE_FSYNC = 0;
		3750
2640	# use a peculiar iteration method to avoid tripping on perl	3751	# use a peculiar iteration method to avoid tripping on perl
2641	# refcount bugs in for. also avoids problems with players	3752	# refcount bugs in for. also avoids problems with players
2642	# and maps saved/destroyed asynchronously.	3753	# and maps saved/destroyed asynchronously.
2643	warn "begin emergency player save\n";	3754	warn "emergency_perl_save: begin player save\n";
2644	for my $login (keys %cf::PLAYER) {	3755	for my $login (keys %cf::PLAYER) {
2645	my $pl = $cf::PLAYER{$login} or next;	3756	my $pl = $cf::PLAYER{$login} or next;
2646	$pl->valid or next;	3757	$pl->valid or next;
		3758	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2647	$pl->save;	3759	$pl->save;
2648	}	3760	}
2649	warn "end emergency player save\n";	3761	warn "emergency_perl_save: end player save\n";
2650		3762
2651	warn "begin emergency map save\n";	3763	warn "emergency_perl_save: begin map save\n";
2652	for my $path (keys %cf::MAP) {	3764	for my $path (keys %cf::MAP) {
2653	my $map = $cf::MAP{$path} or next;	3765	my $map = $cf::MAP{$path} or next;
2654	$map->valid or next;	3766	$map->valid or next;
2655	$map->save;	3767	$map->save;
2656	}	3768	}
2657	warn "end emergency map save\n";	3769	warn "emergency_perl_save: end map save\n";
2658		3770
2659	warn "begin emergency database checkpoint\n";	3771	warn "emergency_perl_save: begin database checkpoint\n";
2660	BDB::db_env_txn_checkpoint $DB_ENV;	3772	BDB::db_env_txn_checkpoint $DB_ENV;
2661	warn "end emergency database checkpoint\n";	3773	warn "emergency_perl_save: end database checkpoint\n";
		3774
		3775	warn "emergency_perl_save: begin write uuid\n";
		3776	write_uuid_sync 1;
		3777	warn "emergency_perl_save: end write uuid\n";
2662	};	3778	};
2663		3779
		3780	warn "emergency_perl_save: starting sync()\n";
		3781	IO::AIO::aio_sync sub {
		3782	warn "emergency_perl_save: finished sync()\n";
		3783	};
		3784
2664	warn "leave emergency perl save\n";	3785	warn "emergency_perl_save: leave\n";
2665	}	3786	}
2666		3787
2667	sub post_cleanup {	3788	sub post_cleanup {
2668	my ($make_core) = @_;	3789	my ($make_core) = @_;
2669		3790
2670	warn Carp::longmess "post_cleanup backtrace"	3791	warn Carp::longmess "post_cleanup backtrace"
2671	if $make_core;	3792	if $make_core;
		3793
		3794	my $fh = pidfile;
		3795	unlink $PIDFILE if <$fh> == $$;
		3796	}
		3797
		3798	# a safer delete_package, copied from Symbol
		3799	sub clear_package($) {
		3800	my $pkg = shift;
		3801
		3802	# expand to full symbol table name if needed
		3803	unless ($pkg =~ /^main::.*::$/) {
		3804	$pkg = "main$pkg" if $pkg =~ /^::/;
		3805	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3806	$pkg .= '::' unless $pkg =~ /::$/;
		3807	}
		3808
		3809	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3810	my $stem_symtab = *{$stem}{HASH};
		3811
		3812	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3813	or return;
		3814
		3815	# clear all symbols
		3816	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3817	for my $name (keys %$leaf_symtab) {
		3818	_gv_clear *{"$pkg$name"};
		3819	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3820	}
2672	}	3821	}
2673		3822
2674	sub do_reload_perl() {	3823	sub do_reload_perl() {
2675	# can/must only be called in main	3824	# can/must only be called in main
2676	if ($Coro::current != $Coro::main) {	3825	if (in_main) {
2677	warn "can only reload from main coroutine";	3826	warn "can only reload from main coroutine";
2678	return;	3827	return;
2679	}	3828	}
2680		3829
		3830	return if $RELOAD++;
		3831
		3832	my $t1 = AE::time;
		3833
		3834	while ($RELOAD) {
2681	warn "reloading...";	3835	warn "reloading...";
2682		3836
2683	warn "entering sync_job";	3837	warn "entering sync_job";
2684		3838
2685	cf::sync_job {	3839	cf::sync_job {
2686	cf::write_runtime; # external watchdog should not bark	3840	cf::write_runtime_sync; # external watchdog should not bark
2687	cf::emergency_save;	3841	cf::emergency_save;
2688	cf::write_runtime; # external watchdog should not bark	3842	cf::write_runtime_sync; # external watchdog should not bark
2689		3843
2690	warn "syncing database to disk";	3844	warn "syncing database to disk";
2691	BDB::db_env_txn_checkpoint $DB_ENV;	3845	BDB::db_env_txn_checkpoint $DB_ENV;
2692		3846
2693	# if anything goes wrong in here, we should simply crash as we already saved	3847	# if anything goes wrong in here, we should simply crash as we already saved
2694		3848
2695	warn "cancelling all WF_AUTOCANCEL watchers";
2696	for (Event::all_watchers) {
2697	$_->cancel if $_->data & WF_AUTOCANCEL;
2698	}
2699
2700	warn "flushing outstanding aio requests";	3849	warn "flushing outstanding aio requests";
2701	for (;;) {
2702	BDB::flush;
2703	IO::AIO::flush;
2704	Coro::cede;
2705	last unless IO::AIO::nreqs || BDB::nreqs;	3850	while (IO::AIO::nreqs || BDB::nreqs) {
2706	warn "iterate...";	3851	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2707	}
2708
2709	++$RELOAD;
2710
2711	warn "cancelling all extension coros";
2712	$_->cancel for values %EXT_CORO;
2713	%EXT_CORO = ();
2714
2715	warn "removing commands";
2716	%COMMAND = ();
2717
2718	warn "removing ext commands";
2719	%EXTCMD = ();
2720
2721	warn "unloading/nuking all extensions";
2722	for my $pkg (@EXTS) {
2723	warn "... unloading $pkg";
2724
2725	if (my $cb = $pkg->can ("unload")) {
2726	eval {
2727	$cb->($pkg);
2728	1
2729	} or warn "$pkg unloaded, but with errors: $@";
2730	}	3852	}
2731		3853
2732	warn "... nuking $pkg";	3854	warn "cancelling all extension coros";
2733	Symbol::delete_package $pkg;	3855	$_->cancel for values %EXT_CORO;
2734	}	3856	%EXT_CORO = ();
2735		3857
2736	warn "unloading all perl modules loaded from $LIBDIR";	3858	warn "removing commands";
2737	while (my ($k, $v) = each %INC) {	3859	%COMMAND = ();
2738	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2739		3860
		3861	warn "removing ext/exti commands";
		3862	%EXTCMD = ();
		3863	%EXTICMD = ();
		3864
		3865	warn "unloading/nuking all extensions";
		3866	for my $pkg (@EXTS) {
2740	warn "... unloading $k";	3867	warn "... unloading $pkg";
2741	delete $INC{$k};
2742		3868
2743	$k =~ s/\.pm$//;
2744	$k =~ s/\//::/g;
2745
2746	if (my $cb = $k->can ("unload_module")) {	3869	if (my $cb = $pkg->can ("unload")) {
		3870	eval {
2747	$cb->();	3871	$cb->($pkg);
		3872	1
		3873	} or warn "$pkg unloaded, but with errors: $@";
		3874	}
		3875
		3876	warn "... clearing $pkg";
		3877	clear_package $pkg;
2748	}	3878	}
2749		3879
2750	Symbol::delete_package $k;	3880	warn "unloading all perl modules loaded from $LIBDIR";
		3881	while (my ($k, $v) = each %INC) {
		3882	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3883
		3884	warn "... unloading $k";
		3885	delete $INC{$k};
		3886
		3887	$k =~ s/\.pm$//;
		3888	$k =~ s/\//::/g;
		3889
		3890	if (my $cb = $k->can ("unload_module")) {
		3891	$cb->();
		3892	}
		3893
		3894	clear_package $k;
2751	}	3895	}
2752		3896
2753	warn "getting rid of safe::, as good as possible";	3897	warn "getting rid of safe::, as good as possible";
2754	Symbol::delete_package "safe::$_"	3898	clear_package "safe::$_"
2755	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3899	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2756		3900
2757	warn "unloading cf.pm \"a bit\"";	3901	warn "unloading cf.pm \"a bit\"";
2758	delete $INC{"cf.pm"};	3902	delete $INC{"cf.pm"};
2759	delete $INC{"cf/pod.pm"};	3903	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2760		3904
2761	# don't, removes xs symbols, too,	3905	# don't, removes xs symbols, too,
2762	# and global variables created in xs	3906	# and global variables created in xs
2763	#Symbol::delete_package __PACKAGE__;	3907	#clear_package __PACKAGE__;
2764		3908
2765	warn "unload completed, starting to reload now";	3909	warn "unload completed, starting to reload now";
2766		3910
2767	warn "reloading cf.pm";	3911	warn "reloading cf.pm";
2768	require cf;	3912	require cf;
2769	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3913	cf::_connect_to_perl_1;
2770		3914
2771	warn "loading config and database again";	3915	warn "loading config and database again";
2772	cf::cfg_load;	3916	cf::reload_config;
2773		3917
2774	warn "loading extensions";	3918	warn "loading extensions";
2775	cf::load_extensions;	3919	cf::load_extensions;
2776		3920
		3921	if ($REATTACH_ON_RELOAD) {
2777	warn "reattaching attachments to objects/players";	3922	warn "reattaching attachments to objects/players";
2778	_global_reattach; # objects, sockets	3923	_global_reattach; # objects, sockets
2779	warn "reattaching attachments to maps";	3924	warn "reattaching attachments to maps";
2780	reattach $_ for values %MAP;	3925	reattach $_ for values %MAP;
2781	warn "reattaching attachments to players";	3926	warn "reattaching attachments to players";
2782	reattach $_ for values %PLAYER;	3927	reattach $_ for values %PLAYER;
		3928	}
2783		3929
		3930	warn "running post_init jobs";
		3931	(pop @POST_INIT)->(1) while @POST_INIT;
		3932
2784	warn "leaving sync_job";	3933	warn "leaving sync_job";
2785		3934
2786	1	3935	1
2787	} or do {	3936	} or do {
2788	warn $@;	3937	warn $@;
2789	warn "error while reloading, exiting.";	3938	cf::cleanup "error while reloading, exiting.";
2790	exit 1;
2791	};	3939	};
2792		3940
2793	warn "reloaded";	3941	warn "reloaded";
		3942	--$RELOAD;
		3943	}
		3944
		3945	$t1 = AE::time - $t1;
		3946	warn "reload completed in ${t1}s\n";
2794	};	3947	};
2795		3948
2796	our $RELOAD_WATCHER; # used only during reload	3949	our $RELOAD_WATCHER; # used only during reload
2797		3950
2798	sub reload_perl() {	3951	sub reload_perl() {
2799	# doing reload synchronously and two reloads happen back-to-back,	3952	# doing reload synchronously and two reloads happen back-to-back,
2800	# coro crashes during coro_state_free->destroy here.	3953	# coro crashes during coro_state_free->destroy here.
2801		3954
2802	$RELOAD_WATCHER ||= Event->timer (	3955	$RELOAD_WATCHER ||= cf::async {
2803	reentrant => 0,	3956	Coro::AIO::aio_wait cache_extensions;
2804	after => 0,	3957
2805	data => WF_AUTOCANCEL,	3958	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2806	cb => sub {
2807	do_reload_perl;	3959	do_reload_perl;
2808	undef $RELOAD_WATCHER;	3960	undef $RELOAD_WATCHER;
2809	},	3961	};
2810	);	3962	};
2811	}	3963	}
2812		3964
2813	register_command "reload" => sub {	3965	register_command "reload" => sub {
2814	my ($who, $arg) = @_;	3966	my ($who, $arg) = @_;
2815		3967
2816	if ($who->flag (FLAG_WIZ)) {	3968	if ($who->flag (FLAG_WIZ)) {
2817	$who->message ("reloading server.");	3969	$who->message ("reloading server.");
		3970	async {
		3971	$Coro::current->{desc} = "perl_reload";
2818	async { reload_perl };	3972	reload_perl;
		3973	};
2819	}	3974	}
2820	};	3975	};
2821		3976
2822	unshift @INC, $LIBDIR;	3977	unshift @INC, $LIBDIR;
2823		3978
…		…
2825		3980
2826	our @WAIT_FOR_TICK;	3981	our @WAIT_FOR_TICK;
2827	our @WAIT_FOR_TICK_BEGIN;	3982	our @WAIT_FOR_TICK_BEGIN;
2828		3983
2829	sub wait_for_tick {	3984	sub wait_for_tick {
2830	return unless $TICK_WATCHER->is_active;
2831	return if $Coro::current == $Coro::main;	3985	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2832		3986
2833	my $signal = new Coro::Signal;	3987	my $signal = new Coro::Signal;
2834	push @WAIT_FOR_TICK, $signal;	3988	push @WAIT_FOR_TICK, $signal;
2835	$signal->wait;	3989	$signal->wait;
2836	}	3990	}
2837		3991
2838	sub wait_for_tick_begin {	3992	sub wait_for_tick_begin {
2839	return unless $TICK_WATCHER->is_active;
2840	return if $Coro::current == $Coro::main;	3993	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2841		3994
2842	my $signal = new Coro::Signal;	3995	my $signal = new Coro::Signal;
2843	push @WAIT_FOR_TICK_BEGIN, $signal;	3996	push @WAIT_FOR_TICK_BEGIN, $signal;
2844	$signal->wait;	3997	$signal->wait;
2845	}	3998	}
2846		3999
2847	my $min = 1e6;#d#	4000	sub tick {
2848	my $avg = 10;
2849	$TICK_WATCHER = Event->timer (
2850	reentrant => 0,
2851	parked => 1,
2852	prio => 0,
2853	at => $NEXT_TICK || $TICK,
2854	data => WF_AUTOCANCEL,
2855	cb => sub {
2856	if ($Coro::current != $Coro::main) {	4001	if ($Coro::current != $Coro::main) {
2857	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4002	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2858	unless ++$bug_warning > 10;	4003	unless ++$bug_warning > 10;
2859	return;	4004	return;
2860	}	4005	}
2861		4006
2862	$NOW = $tick_start = Event::time;
2863
2864	cf::server_tick; # one server iteration	4007	cf::server_tick; # one server iteration
2865		4008
2866	0 && sync_job {#d#	4009	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2867	for(1..10) {
2868	my $t = Event::time;
2869	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2870	or die;
2871		4010
2872	$map->width (50);	4011	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2873	$map->height (50);	4012	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2874	$map->alloc;	4013	Coro::async_pool {
2875	$map->_load_objects ("/tmp/x.map", 1);	4014	$Coro::current->{desc} = "runtime saver";
2876	my $t = Event::time - $t;	4015	write_runtime_sync
2877		4016	or warn "ERROR: unable to write runtime file: $!";
2878	#next unless $t < 0.0013;#d#
2879	if ($t < $min) {
2880	$min = $t;
2881	}
2882	$avg = $avg * 0.99 + $t * 0.01;
2883	}
2884	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2885	exit 0;
2886	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2887	};	4017	};
		4018	}
2888		4019
2889	$RUNTIME += $TICK;
2890	$NEXT_TICK += $TICK;
2891
2892	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2893	$NEXT_RUNTIME_WRITE = $NOW + 10;
2894	Coro::async_pool {
2895	write_runtime
2896	or warn "ERROR: unable to write runtime file: $!";
2897	};
2898	}
2899
2900	# my $AFTER = Event::time;
2901	# warn $AFTER - $NOW;#d#
2902
2903	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4020	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2904	$sig->send;	4021	$sig->send;
2905	}	4022	}
2906	while (my $sig = shift @WAIT_FOR_TICK) {	4023	while (my $sig = shift @WAIT_FOR_TICK) {
2907	$sig->send;	4024	$sig->send;
2908	}	4025	}
2909		4026
2910	$NOW = Event::time;	4027	$LOAD = ($NOW - $TICK_START) / $TICK;
2911
2912	# if we are delayed by four ticks or more, skip them all
2913	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2914
2915	$TICK_WATCHER->at ($NEXT_TICK);
2916	$TICK_WATCHER->start;
2917
2918	$LOAD = ($NOW - $tick_start) / $TICK;
2919	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4028	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2920		4029
2921	_post_tick;	4030	if (0) {
2922		4031	if ($NEXT_TICK) {
2923		4032	my $jitter = $TICK_START - $NEXT_TICK;
		4033	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4034	warn "jitter $JITTER\n";#d#
		4035	}
2924	},	4036	}
2925	);	4037	}
2926		4038
2927	{	4039	{
2928	BDB::max_poll_time $TICK * 0.1;	4040	# configure BDB
2929	$BDB_POLL_WATCHER = Event->io (	4041
2930	reentrant => 0,
2931	fd => BDB::poll_fileno,
2932	poll => 'r',
2933	prio => 0,
2934	data => WF_AUTOCANCEL,
2935	cb => \&BDB::poll_cb,
2936	);
2937	BDB::min_parallel 8;	4042	BDB::min_parallel 16;
2938		4043	BDB::max_poll_reqs $TICK * 0.1;
2939	BDB::set_sync_prepare {	4044	$AnyEvent::BDB::WATCHER->priority (1);
2940	my $status;
2941	my $current = $Coro::current;
2942	(
2943	sub {
2944	$status = $!;
2945	$current->ready; undef $current;
2946	},
2947	sub {
2948	Coro::schedule while defined $current;
2949	$! = $status;
2950	},
2951	)
2952	};
2953		4045
2954	unless ($DB_ENV) {	4046	unless ($DB_ENV) {
2955	$DB_ENV = BDB::db_env_create;	4047	$DB_ENV = BDB::db_env_create;
		4048	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4049	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4050	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4051	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4052	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2956		4053
2957	cf::sync_job {	4054	cf::sync_job {
2958	eval {	4055	eval {
2959	BDB::db_env_open	4056	BDB::db_env_open
2960	$DB_ENV,	4057	$DB_ENV,
…		…
2962	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4059	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2963	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4060	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2964	0666;	4061	0666;
2965		4062
2966	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4063	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2967
2968	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2969	$DB_ENV->set_lk_detect;
2970	};	4064	};
2971		4065
2972	cf::cleanup "db_env_open(db): $@" if $@;	4066	cf::cleanup "db_env_open(db): $@" if $@;
2973	};	4067	};
2974	}	4068	}
		4069
		4070	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4071	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4072	};
		4073	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4074	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4075	};
		4076	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4077	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4078	};
2975	}	4079	}
2976		4080
2977	{	4081	{
		4082	# configure IO::AIO
		4083
2978	IO::AIO::min_parallel 8;	4084	IO::AIO::min_parallel 8;
2979
2980	undef $Coro::AIO::WATCHER;
2981	IO::AIO::max_poll_time $TICK * 0.1;	4085	IO::AIO::max_poll_time $TICK * 0.1;
2982	$AIO_POLL_WATCHER = Event->io (	4086	undef $AnyEvent::AIO::WATCHER;
2983	reentrant => 0,
2984	data => WF_AUTOCANCEL,
2985	fd => IO::AIO::poll_fileno,
2986	poll => 'r',
2987	prio => 6,
2988	cb => \&IO::AIO::poll_cb,
2989	);
2990	}	4087	}
2991		4088
2992	my $_log_backtrace;	4089	my $_log_backtrace;
2993		4090
2994	sub _log_backtrace {	4091	sub _log_backtrace {
…		…
2997	$msg =~ s/\n//;	4094	$msg =~ s/\n//;
2998		4095
2999	# limit the # of concurrent backtraces	4096	# limit the # of concurrent backtraces
3000	if ($_log_backtrace < 2) {	4097	if ($_log_backtrace < 2) {
3001	++$_log_backtrace;	4098	++$_log_backtrace;
		4099	my $perl_bt = Carp::longmess $msg;
3002	async {	4100	async {
		4101	$Coro::current->{desc} = "abt $msg";
		4102
3003	my @bt = fork_call {	4103	my @bt = fork_call {
3004	@addr = map { sprintf "%x", $_ } @addr;	4104	@addr = map { sprintf "%x", $_ } @addr;
3005	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4105	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3006	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4106	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3007	or die "addr2line: $!";	4107	or die "addr2line: $!";
…		…
3015	}	4115	}
3016		4116
3017	@funcs	4117	@funcs
3018	};	4118	};
3019		4119
3020	LOG llevInfo, "[ABT] $msg\n";	4120	LOG llevInfo, "[ABT] $perl_bt\n";
		4121	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3021	LOG llevInfo, "[ABT] $_\n" for @bt;	4122	LOG llevInfo, "[ABT] $_\n" for @bt;
3022	--$_log_backtrace;	4123	--$_log_backtrace;
3023	};	4124	};
3024	} else {	4125	} else {
3025	LOG llevInfo, "[ABT] $msg\n";	4126	LOG llevInfo, "[ABT] $msg\n";
3026	LOG llevInfo, "[ABT] [suppressed]\n";	4127	LOG llevInfo, "[ABT] [suppressed]\n";
3027	}	4128	}
3028	}	4129	}
3029		4130
3030	# load additional modules	4131	# load additional modules
3031	use cf::pod;	4132	require "cf/$_.pm" for @EXTRA_MODULES;
		4133	cf::_connect_to_perl_2;
3032		4134
3033	END { cf::emergency_save }	4135	END { cf::emergency_save }
3034		4136
3035	1	4137	1
3036		4138

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