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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.264 by root, Sun May 6 05:44:48 2007 UTC vs.
Revision 1.514 by root, Mon Apr 12 17:13:36 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;
		112
		113	our $OUTPUT_RATE_MIN = 4000;
		114	our $OUTPUT_RATE_MAX = 100000;
71		115
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	116	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	117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	118	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	123	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
82		127
83	our %CFG;	128	our %CFG;
84		129
85	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
87		133
88	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
91		137
92	# used to convert map paths into valid unix filenames by replacing / by ∕	138	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		140
		141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
		144	our $TICK_START; # for load detecting purposes
		145
		146	our @POST_INIT;
		147
		148	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		149	our $REALLY_UNLOOP; # never set to true, please :)
		150
95	binmode STDOUT;	151	binmode STDOUT;
96	binmode STDERR;	152	binmode STDERR;
97		153
98	# read virtual server time, if available	154	# read virtual server time, if available
99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
100	open my $fh, "<", "$LOCALDIR/runtime"	156	open my $fh, "<", $RUNTIMEFILE
101	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
102	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
103	}	159	}
		160
		161	eval "sub TICK() { $TICK } 1" or die;
104		162
105	mkdir $_	163	mkdir $_
106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
107		165
108	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
109		167
110	sub cf::map::normalise;	168	sub cf::map::normalise;
		169
		170	#############################################################################
		171
		172	%REFLECT = ();
		173	for (@REFLECT) {
		174	my $reflect = JSON::XS::decode_json $_;
		175	$REFLECT{$reflect->{class}} = $reflect;
		176	}
		177
		178	# this is decidedly evil
		179	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
111		180
112	#############################################################################	181	#############################################################################
113		182
114	=head2 GLOBAL VARIABLES	183	=head2 GLOBAL VARIABLES
115		184
…		…
139		208
140	=item $cf::TICK	209	=item $cf::TICK
141		210
142	The interval between server ticks, in seconds.	211	The interval between server ticks, in seconds.
143		212
		213	=item $cf::LOADAVG
		214
		215	The current CPU load on the server (alpha-smoothed), as a value between 0
		216	(none) and 1 (overloaded), indicating how much time is spent on processing
		217	objects per tick. Healthy values are < 0.5.
		218
		219	=item $cf::LOAD
		220
		221	The raw value load value from the last tick.
		222
144	=item %cf::CFG	223	=item %cf::CFG
145		224
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	225	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	226	from wherever your confdir points to.
148		227
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	228	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		229
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	230	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152	returns directly I<after> the tick processing (and consequently, can only wake one process	231	returns directly I<after> the tick processing (and consequently, can only wake one process
153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	232	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		233
		234	=item @cf::INVOKE_RESULTS
		235
		236	This array contains the results of the last C<invoke ()> call. When
		237	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		238	that call.
		239
		240	=item %cf::REFLECT
		241
		242	Contains, for each (C++) class name, a hash reference with information
		243	about object members (methods, scalars, arrays and flags) and other
		244	metadata, which is useful for introspection.
		245
155	=back	246	=back
156		247
157	=cut	248	=cut
158		249
159	BEGIN {	250	$Coro::State::WARNHOOK = sub {
160	*CORE::GLOBAL::warn = sub {
161	my $msg = join "", @_;	251	my $msg = join "", @_;
162		252
163	$msg .= "\n"	253	$msg .= "\n"
164	unless $msg =~ /\n$/;	254	unless $msg =~ /\n$/;
165		255
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	256	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		257
168	utf8::encode $msg;
169	LOG llevError, $msg;	258	LOG llevError, $msg;
170	};	259	};
171	}	260
		261	$Coro::State::DIEHOOK = sub {
		262	return unless $^S eq 0; # "eq", not "=="
		263
		264	warn Carp::longmess $_[0];
		265
		266	if ($Coro::current == $Coro::main) {#d#
		267	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		268	return;#d#
		269	}#d#
		270
		271	# kill coroutine otherwise
		272	Coro::terminate
		273	};
172		274
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	275	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	276	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	277	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	278	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	279	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		280	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	281	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		282
180	# we bless all objects into (empty) derived classes to force a method lookup	283	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	284	# within the Safe compartment.
182	for my $pkg (qw(	285	for my $pkg (qw(
183	cf::global cf::attachable	286	cf::global cf::attachable
184	cf::object cf::object::player	287	cf::object cf::object::player
185	cf::client cf::player	288	cf::client cf::player
186	cf::arch cf::living	289	cf::arch cf::living
		290	cf::map cf::mapspace
187	cf::map cf::party cf::region	291	cf::party cf::region
188	)) {	292	)) {
189	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	293	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	294	}
192		295
193	$Event::DIED = sub {	296	$EV::DIED = sub {
194	warn "error in event callback: @_";	297	Carp::cluck "error in event callback: @_";
195	};	298	};
		299
		300	#############################################################################
196		301
197	=head2 UTILITY FUNCTIONS	302	=head2 UTILITY FUNCTIONS
198		303
199	=over 4	304	=over 4
200		305
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	324	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	325	$d
221	} || "[unable to dump $_[0]: '$@']";	326	} || "[unable to dump $_[0]: '$@']";
222	}	327	}
223		328
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	329	=item $ref = cf::decode_json $json
227		330
228	Converts a JSON string into the corresponding perl data structure.	331	Converts a JSON string into the corresponding perl data structure.
229		332
230	=item $json = cf::to_json $ref	333	=item $json = cf::encode_json $ref
231		334
232	Converts a perl data structure into its JSON representation.	335	Converts a perl data structure into its JSON representation.
233		336
		337	=cut
		338
		339	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		340
		341	sub encode_json($) { $json_coder->encode ($_[0]) }
		342	sub decode_json($) { $json_coder->decode ($_[0]) }
		343
		344	=item cf::post_init { BLOCK }
		345
		346	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		347	but I<before> the server starts ticking again.
		348
		349	The cdoeblock will have a single boolean argument to indicate whether this
		350	is a reload or not.
		351
		352	=cut
		353
		354	sub post_init(&) {
		355	push @POST_INIT, shift;
		356	}
		357
234	=item cf::lock_wait $string	358	=item cf::lock_wait $string
235		359
236	Wait until the given lock is available. See cf::lock_acquire.	360	Wait until the given lock is available. See cf::lock_acquire.
237		361
238	=item my $lock = cf::lock_acquire $string	362	=item my $lock = cf::lock_acquire $string
239		363
240	Wait until the given lock is available and then acquires it and returns	364	Wait until the given lock is available and then acquires it and returns
241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	365	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
242	for example when the coroutine gets canceled), the lock is automatically	366	for example when the coroutine gets canceled), the lock is automatically
243	returned.	367	returned.
244		368
		369	Locks are *not* recursive, locking from the same coro twice results in a
		370	deadlocked coro.
		371
245	Lock names should begin with a unique identifier (for example, cf::map::find	372	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	373	uses map_find and cf::map::load uses map_load).
247		374
248	=item $locked = cf::lock_active $string	375	=item $locked = cf::lock_active $string
249		376
250	Return true if the lock is currently active, i.e. somebody has locked it.	377	Return true if the lock is currently active, i.e. somebody has locked it.
251		378
252	=cut	379	=cut
253		380
254	our %LOCK;	381	our $LOCKS = new Coro::SemaphoreSet;
255		382
256	sub lock_wait($) {	383	sub lock_wait($) {
257	my ($key) = @_;	384	$LOCKS->wait ($_[0]);
258
259	# wait for lock, if any
260	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;
263	}
264	}	385	}
265		386
266	sub lock_acquire($) {	387	sub lock_acquire($) {
267	my ($key) = @_;	388	$LOCKS->guard ($_[0])
268
269	# wait, to be sure we are not locked
270	lock_wait $key;
271
272	$LOCK{$key} = [];
273
274	Coro::guard {
275	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };
277	}
278	}	389	}
279		390
280	sub lock_active($) {	391	sub lock_active($) {
281	my ($key) = @_;	392	$LOCKS->count ($_[0]) < 1
282
283	! ! $LOCK{$key}
284	}	393	}
285		394
286	sub freeze_mainloop {	395	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	396	tick_inhibit_inc;
288		397
289	my $guard = Coro::guard {	398	&Guard::guard (\&tick_inhibit_dec);
290	$TICK_WATCHER->start;	399	}
		400
		401	=item cf::periodic $interval, $cb
		402
		403	Like EV::periodic, but randomly selects a starting point so that the actions
		404	get spread over time.
		405
		406	=cut
		407
		408	sub periodic($$) {
		409	my ($interval, $cb) = @_;
		410
		411	my $start = rand List::Util::min 180, $interval;
		412
		413	EV::periodic $start, $interval, 0, $cb
		414	}
		415
		416	=item cf::get_slot $time[, $priority[, $name]]
		417
		418	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		419	This call blocks and returns only when you have at least C<$time> seconds
		420	of cpu time till the next tick. The slot is only valid till the next cede.
		421
		422	The optional C<$name> can be used to identify the job to run. It might be
		423	used for statistical purposes and should identify the same time-class.
		424
		425	Useful for short background jobs.
		426
		427	=cut
		428
		429	our @SLOT_QUEUE;
		430	our $SLOT_QUEUE;
		431	our $SLOT_DECAY = 0.9;
		432
		433	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		434	$SLOT_QUEUE = Coro::async {
		435	$Coro::current->desc ("timeslot manager");
		436
		437	my $signal = new Coro::Signal;
		438	my $busy;
		439
		440	while () {
		441	next_job:
		442
		443	my $avail = cf::till_tick;
		444
		445	for (0 .. $#SLOT_QUEUE) {
		446	if ($SLOT_QUEUE[$_][0] <= $avail) {
		447	$busy = 0;
		448	my $job = splice @SLOT_QUEUE, $_, 1, ();
		449	$job->[2]->send;
		450	Coro::cede;
		451	goto next_job;
		452	} else {
		453	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		454	}
		455	}
		456
		457	if (@SLOT_QUEUE) {
		458	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		459	push @cf::WAIT_FOR_TICK, $signal;
		460	$signal->wait;
		461	} else {
		462	$busy = 0;
		463	Coro::schedule;
		464	}
291	};	465	}
292	$TICK_WATCHER->stop;	466	};
293	$guard	467
		468	sub get_slot($;$$) {
		469	return if tick_inhibit || $Coro::current == $Coro::main;
		470
		471	my ($time, $pri, $name) = @_;
		472
		473	$time = clamp $time, 0.01, $TICK * .6;
		474
		475	my $sig = new Coro::Signal;
		476
		477	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		478	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		479	$SLOT_QUEUE->ready;
		480	$sig->wait;
294	}	481	}
295		482
296	=item cf::async { BLOCK }	483	=item cf::async { BLOCK }
297		484
298	Currently the same as Coro::async_pool, meaning you cannot use	485	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		490
304	BEGIN { *async = \&Coro::async_pool }	491	BEGIN { *async = \&Coro::async_pool }
305		492
306	=item cf::sync_job { BLOCK }	493	=item cf::sync_job { BLOCK }
307		494
308	The design of crossfire+ requires that the main coro ($Coro::main) is	495	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	496	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	497	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		498	acceptable.
311		499
312	If it must be done, put the blocking parts into C<sync_job>. This will run	500	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	501	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	502	server will be frozen during this time, so the block should either finish
315	fast or be very important.	503	fast or be very important.
…		…
318		506
319	sub sync_job(&) {	507	sub sync_job(&) {
320	my ($job) = @_;	508	my ($job) = @_;
321		509
322	if ($Coro::current == $Coro::main) {	510	if ($Coro::current == $Coro::main) {
		511	my $time = AE::time;
		512
323	# this is the main coro, too bad, we have to block	513	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	514	# till the operation succeeds, freezing the server :/
325		515
326	# TODO: use suspend/resume instead	516	LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	517
328	my $freeze_guard = freeze_mainloop;	518	my $freeze_guard = freeze_mainloop;
329		519
330	my $busy = 1;	520	my $busy = 1;
331	my @res;	521	my @res;
332		522
333	(async {	523	(async {
		524	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	525	@res = eval { $job->() };
335	warn $@ if $@;	526	warn $@ if $@;
336	undef $busy;	527	undef $busy;
337	})->prio (Coro::PRIO_MAX);	528	})->prio (Coro::PRIO_MAX);
338		529
339	while ($busy) {	530	while ($busy) {
340	Coro::cede or Event::one_event;	531	if (Coro::nready) {
		532	Coro::cede_notself;
		533	} else {
		534	EV::loop EV::LOOP_ONESHOT;
341	}	535	}
		536	}
		537
		538	my $time = AE::time - $time;
		539
		540	$TICK_START += $time; # do not account sync jobs to server load
342		541
343	wantarray ? @res : $res[0]	542	wantarray ? @res : $res[0]
344	} else {	543	} else {
345	# we are in another coroutine, how wonderful, everything just works	544	# we are in another coroutine, how wonderful, everything just works
346		545
…		…
366	$EXT_CORO{$coro+0} = $coro;	565	$EXT_CORO{$coro+0} = $coro;
367		566
368	$coro	567	$coro
369	}	568	}
370		569
371	sub write_runtime {	570	=item fork_call { }, $args
372	my $runtime = "$LOCALDIR/runtime";
373		571
374	# first touch the runtime file to show we are still running:	572	Executes the given code block with the given arguments in a seperate
375	# the fsync below can take a very very long time.	573	process, returning the results. Everything must be serialisable with
		574	Coro::Storable. May, of course, block. Note that the executed sub may
		575	never block itself or use any form of event handling.
376		576
377	warn "touching runtime...\n";#d#	577	=cut
378	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	578
379	utime undef, undef, $fh;	579	sub fork_call(&@) {
		580	my ($cb, @args) = @_;
		581
		582	# we seemingly have to make a local copy of the whole thing,
		583	# otherwise perl prematurely frees the stuff :/
		584	# TODO: investigate and fix (likely this will be rather laborious)
		585
		586	my @res = Coro::Util::fork_eval {
		587	reset_signals;
		588	&$cb
		589	}, @args;
		590
		591	wantarray ? @res : $res[-1]
		592	}
		593
		594	sub objinfo {
		595	(
		596	"counter value" => cf::object::object_count,
		597	"objects created" => cf::object::create_count,
		598	"objects destroyed" => cf::object::destroy_count,
		599	"freelist size" => cf::object::free_count,
		600	"allocated objects" => cf::object::objects_size,
		601	"active objects" => cf::object::actives_size,
		602	)
		603	}
		604
		605	=item $coin = coin_from_name $name
		606
		607	=cut
		608
		609	our %coin_alias = (
		610	"silver" => "silvercoin",
		611	"silvercoin" => "silvercoin",
		612	"silvercoins" => "silvercoin",
		613	"gold" => "goldcoin",
		614	"goldcoin" => "goldcoin",
		615	"goldcoins" => "goldcoin",
		616	"platinum" => "platinacoin",
		617	"platinumcoin" => "platinacoin",
		618	"platinumcoins" => "platinacoin",
		619	"platina" => "platinacoin",
		620	"platinacoin" => "platinacoin",
		621	"platinacoins" => "platinacoin",
		622	"royalty" => "royalty",
		623	"royalties" => "royalty",
		624	);
		625
		626	sub coin_from_name($) {
		627	$coin_alias{$_[0]}
		628	? cf::arch::find $coin_alias{$_[0]}
		629	: undef
		630	}
		631
		632	=item $value = cf::db_get $family => $key
		633
		634	Returns a single value from the environment database.
		635
		636	=item cf::db_put $family => $key => $value
		637
		638	Stores the given C<$value> in the family. It can currently store binary
		639	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		640
		641	=item $db = cf::db_table "name"
		642
		643	Create and/or open a new database table. The string must not be "db" and must be unique
		644	within each server.
		645
		646	=cut
		647
		648	sub db_table($) {
		649	my ($name) = @_;
		650	my $db = BDB::db_create $DB_ENV;
		651
		652	eval {
		653	$db->set_flags (BDB::CHKSUM);
		654
		655	utf8::encode $name;
		656	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		657	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		658	cf::cleanup "db_open(db): $!" if $!;
380	}	659	};
		660	cf::cleanup "db_open(db): $@" if $@;
381		661
382	my $guard = cf::lock_acquire "write_runtime";	662	$db
		663	}
383		664
384	warn "starting to write runtime...\n";#d#	665	our $DB;
385	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
386	or return;
387		666
388	my $value = $cf::RUNTIME + 90 + 10;	667	sub db_init {
389	# 10 is the runtime save interval, for a monotonic clock	668	cf::sync_job {
390	# 60 allows for the watchdog to kill the server.	669	$DB ||= db_table "db";
		670	};
		671	}
391		672
392	(aio_write $fh, 0, (length $value), $value, 0) <= 0	673	sub db_get($$) {
393	and return;	674	my $key = "$_[0]/$_[1]";
394		675
395	# always fsync - this file is important	676	cf::sync_job {
396	aio_fsync $fh	677	BDB::db_get $DB, undef, $key, my $data;
397	and return;
398		678
399	# touch it again to show we are up-to-date	679	$! ? ()
400	utime undef, undef, $fh;	680	: $data
401
402	close $fh
403	or return;
404
405	aio_rename "$runtime~", $runtime
406	and return;
407
408	warn "... done writing runtime.\n";#d#
409
410	1	681	}
		682	}
		683
		684	sub db_put($$$) {
		685	BDB::dbreq_pri 4;
		686	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		687	}
		688
		689	=item cf::cache $id => [$paths...], $processversion => $process
		690
		691	Generic caching function that returns the value of the resource $id,
		692	caching and regenerating as required.
		693
		694	This function can block.
		695
		696	=cut
		697
		698	sub cache {
		699	my ($id, $src, $processversion, $process) = @_;
		700
		701	my $meta =
		702	join "\x00",
		703	$processversion,
		704	map {
		705	aio_stat $_
		706	and Carp::croak "$_: $!";
		707
		708	($_, (stat _)[7,9])
		709	} @$src;
		710
		711	my $dbmeta = db_get cache => "$id/meta";
		712	if ($dbmeta ne $meta) {
		713	# changed, we may need to process
		714
		715	my @data;
		716	my $md5;
		717
		718	for (0 .. $#$src) {
		719	0 <= aio_load $src->[$_], $data[$_]
		720	or Carp::croak "$src->[$_]: $!";
		721	}
		722
		723	# if processing is expensive, check
		724	# checksum first
		725	if (1) {
		726	$md5 =
		727	join "\x00",
		728	$processversion,
		729	map {
		730	cf::cede_to_tick;
		731	($src->[$_], Digest::MD5::md5_hex $data[$_])
		732	} 0.. $#$src;
		733
		734
		735	my $dbmd5 = db_get cache => "$id/md5";
		736	if ($dbmd5 eq $md5) {
		737	db_put cache => "$id/meta", $meta;
		738
		739	return db_get cache => "$id/data";
		740	}
		741	}
		742
		743	my $t1 = Time::HiRes::time;
		744	my $data = $process->(\@data);
		745	my $t2 = Time::HiRes::time;
		746
		747	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		748
		749	db_put cache => "$id/data", $data;
		750	db_put cache => "$id/md5" , $md5;
		751	db_put cache => "$id/meta", $meta;
		752
		753	return $data;
		754	}
		755
		756	db_get cache => "$id/data"
411	}	757	}
412		758
413	=item cf::datalog type => key => value, ...	759	=item cf::datalog type => key => value, ...
414		760
415	Log a datalog packet of the given type with the given key-value pairs.	761	Log a datalog packet of the given type with the given key-value pairs.
…		…
427		773
428	#############################################################################	774	#############################################################################
429		775
430	=head2 ATTACHABLE OBJECTS	776	=head2 ATTACHABLE OBJECTS
431		777
432	Many objects in crossfire are so-called attachable objects. That means you can	778	Many objects in deliantra are so-called attachable objects. That means you can
433	attach callbacks/event handlers (a collection of which is called an "attachment")	779	attach callbacks/event handlers (a collection of which is called an "attachment")
434	to it. All such attachable objects support the following methods.	780	to it. All such attachable objects support the following methods.
435		781
436	In the following description, CLASS can be any of C<global>, C<object>	782	In the following description, CLASS can be any of C<global>, C<object>
437	C<player>, C<client> or C<map> (i.e. the attachable objects in	783	C<player>, C<client> or C<map> (i.e. the attachable objects in
438	crossfire+).	784	Deliantra).
439		785
440	=over 4	786	=over 4
441		787
442	=item $attachable->attach ($attachment, key => $value...)	788	=item $attachable->attach ($attachment, key => $value...)
443		789
…		…
487	=item cf::CLASS::attachment $name, ...	833	=item cf::CLASS::attachment $name, ...
488		834
489	Register an attachment by C<$name> through which attachable objects of the	835	Register an attachment by C<$name> through which attachable objects of the
490	given CLASS can refer to this attachment.	836	given CLASS can refer to this attachment.
491		837
492	Some classes such as crossfire maps and objects can specify attachments	838	Some classes such as deliantra maps and objects can specify attachments
493	that are attached at load/instantiate time, thus the need for a name.	839	that are attached at load/instantiate time, thus the need for a name.
494		840
495	These calls expect any number of the following handler/hook descriptions:	841	These calls expect any number of the following handler/hook descriptions:
496		842
497	=over 4	843	=over 4
…		…
606	$registry = $CB_TYPE[$object_type] ||= [];	952	$registry = $CB_TYPE[$object_type] ||= [];
607		953
608	} elsif ($type eq "subtype") {	954	} elsif ($type eq "subtype") {
609	defined $object_type or Carp::croak "subtype specified without type";	955	defined $object_type or Carp::croak "subtype specified without type";
610	my $object_subtype = shift @arg;	956	my $object_subtype = shift @arg;
611	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	957	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
612		958
613	} elsif ($type eq "package") {	959	} elsif ($type eq "package") {
614	my $pkg = shift @arg;	960	my $pkg = shift @arg;
615		961
616	while (my ($name, $id) = each %cb_id) {	962	while (my ($name, $id) = each %cb_id) {
…		…
645	_attach $registry, $klass, @attach;	991	_attach $registry, $klass, @attach;
646	}	992	}
647		993
648	$obj->{$name} = \%arg;	994	$obj->{$name} = \%arg;
649	} else {	995	} else {
650	warn "object uses attachment '$name' that is not available, postponing.\n";	996	warn "object uses attachment '$name' which is not available, postponing.\n";
651	}	997	}
652		998
653	$obj->{_attachment}{$name} = undef;	999	$obj->{_attachment}{$name} = undef;
654	}	1000	}
655		1001
…		…
657	if (ref $_[0]) {	1003	if (ref $_[0]) {
658	_object_attach @_;	1004	_object_attach @_;
659	} else {	1005	} else {
660	_attach shift->_attach_registry, @_;	1006	_attach shift->_attach_registry, @_;
661	}	1007	}
		1008	_recalc_want;
662	};	1009	};
663		1010
664	# all those should be optimised	1011	# all those should be optimised
665	sub cf::attachable::detach {	1012	sub cf::attachable::detach {
666	my ($obj, $name) = @_;	1013	my ($obj, $name) = @_;
…		…
669	delete $obj->{_attachment}{$name};	1016	delete $obj->{_attachment}{$name};
670	reattach ($obj);	1017	reattach ($obj);
671	} else {	1018	} else {
672	Carp::croak "cannot, currently, detach class attachments";	1019	Carp::croak "cannot, currently, detach class attachments";
673	}	1020	}
		1021	_recalc_want;
674	};	1022	};
675		1023
676	sub cf::attachable::attached {	1024	sub cf::attachable::attached {
677	my ($obj, $name) = @_;	1025	my ($obj, $name) = @_;
678		1026
…		…
693	";	1041	";
694	die if $@;	1042	die if $@;
695	}	1043	}
696		1044
697	our $override;	1045	our $override;
698	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1046	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
699		1047
700	sub override {	1048	sub override {
701	$override = 1;	1049	$override = 1;
702	@invoke_results = ();	1050	@INVOKE_RESULTS = (@_);
703	}	1051	}
704		1052
705	sub do_invoke {	1053	sub do_invoke {
706	my $event = shift;	1054	my $event = shift;
707	my $callbacks = shift;	1055	my $callbacks = shift;
708		1056
709	@invoke_results = ();	1057	@INVOKE_RESULTS = ();
710		1058
711	local $override;	1059	local $override;
712		1060
713	for (@$callbacks) {	1061	for (@$callbacks) {
714	eval { &{$_->[1]} };	1062	eval { &{$_->[1]} };
…		…
723	}	1071	}
724		1072
725	0	1073	0
726	}	1074	}
727		1075
728	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1076	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
729		1077
730	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1078	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
731		1079
732	Generate an object-specific event with the given arguments.	1080	Generate an object-specific event with the given arguments.
733		1081
734	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1082	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
735	removed in future versions), and there is no public API to access override	1083	removed in future versions), and there is no public API to access override
736	results (if you must, access C<@cf::invoke_results> directly).	1084	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
737		1085
738	=back	1086	=back
739		1087
740	=cut	1088	=cut
741		1089
742	#############################################################################	1090	#############################################################################
743	# object support	1091	# object support
		1092
		1093	sub _object_equal($$);
		1094	sub _object_equal($$) {
		1095	my ($a, $b) = @_;
		1096
		1097	return 0 unless (ref $a) eq (ref $b);
		1098
		1099	if ("HASH" eq ref $a) {
		1100	my @ka = keys %$a;
		1101	my @kb = keys %$b;
		1102
		1103	return 0 if @ka != @kb;
		1104
		1105	for (0 .. $#ka) {
		1106	return 0 unless $ka[$_] eq $kb[$_];
		1107	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1108	}
		1109
		1110	} elsif ("ARRAY" eq ref $a) {
		1111
		1112	return 0 if @$a != @$b;
		1113
		1114	for (0 .. $#$a) {
		1115	return 0 unless _object_equal $a->[$_], $b->[$_];
		1116	}
		1117
		1118	} elsif ($a ne $b) {
		1119	return 0;
		1120	}
		1121
		1122	1
		1123	}
		1124
		1125	our $SLOW_MERGES;#d#
		1126	sub _can_merge {
		1127	my ($ob1, $ob2) = @_;
		1128
		1129	++$SLOW_MERGES;#d#
		1130
		1131	# we do the slow way here
		1132	return _object_equal $ob1, $ob2
		1133	}
744		1134
745	sub reattach {	1135	sub reattach {
746	# basically do the same as instantiate, without calling instantiate	1136	# basically do the same as instantiate, without calling instantiate
747	my ($obj) = @_;	1137	my ($obj) = @_;
748		1138
		1139	# no longer needed after getting rid of delete_package?
749	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1140	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
750		1141
751	my $registry = $obj->registry;	1142	my $registry = $obj->registry;
752		1143
753	@$registry = ();	1144	@$registry = ();
754		1145
…		…
769	cf::attachable->attach (	1160	cf::attachable->attach (
770	prio => -1000000,	1161	prio => -1000000,
771	on_instantiate => sub {	1162	on_instantiate => sub {
772	my ($obj, $data) = @_;	1163	my ($obj, $data) = @_;
773		1164
774	$data = from_json $data;	1165	$data = decode_json $data;
775		1166
776	for (@$data) {	1167	for (@$data) {
777	my ($name, $args) = @$_;	1168	my ($name, $args) = @$_;
778		1169
779	$obj->attach ($name, %{$args || {} });	1170	$obj->attach ($name, %{$args || {} });
…		…
795	sub object_freezer_save {	1186	sub object_freezer_save {
796	my ($filename, $rdata, $objs) = @_;	1187	my ($filename, $rdata, $objs) = @_;
797		1188
798	sync_job {	1189	sync_job {
799	if (length $$rdata) {	1190	if (length $$rdata) {
		1191	utf8::decode (my $decname = $filename);
800	warn sprintf "saving %s (%d,%d)\n",	1192	warn sprintf "saving %s (%d,%d)\n",
801	$filename, length $$rdata, scalar @$objs;	1193	$decname, length $$rdata, scalar @$objs;
802		1194
803	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1195	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
804	chmod SAVE_MODE, $fh;	1196	aio_chmod $fh, SAVE_MODE;
805	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1197	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
806	aio_fsync $fh if $cf::USE_FSYNC;	1198	if ($cf::USE_FSYNC) {
		1199	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;
		1200	aio_fsync $fh;
		1201	}
807	close $fh;	1202	aio_close $fh;
808		1203
809	if (@$objs) {	1204	if (@$objs) {
810	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1205	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
811	chmod SAVE_MODE, $fh;	1206	aio_chmod $fh, SAVE_MODE;
812	my $data = Storable::nfreeze { version => 1, objs => $objs };	1207	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
813	aio_write $fh, 0, (length $data), $data, 0;	1208	aio_write $fh, 0, (length $data), $data, 0;
814	aio_fsync $fh if $cf::USE_FSYNC;	1209	if ($cf::USE_FSYNC) {
		1210	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;
		1211	aio_fsync $fh;
		1212	}
815	close $fh;	1213	aio_close $fh;
816	aio_rename "$filename.pst~", "$filename.pst";	1214	aio_rename "$filename.pst~", "$filename.pst";
817	}	1215	}
818	} else {	1216	} else {
819	aio_unlink "$filename.pst";	1217	aio_unlink "$filename.pst";
820	}	1218	}
821		1219
822	aio_rename "$filename~", $filename;	1220	aio_rename "$filename~", $filename;
		1221
		1222	$filename =~ s%/[^/]+$%%;
		1223	aio_pathsync $filename if $cf::USE_FSYNC;
823	} else {	1224	} else {
824	warn "FATAL: $filename~: $!\n";	1225	warn "unable to save objects: $filename~: $!\n";
825	}	1226	}
826	} else {	1227	} else {
827	aio_unlink $filename;	1228	aio_unlink $filename;
828	aio_unlink "$filename.pst";	1229	aio_unlink "$filename.pst";
829	}	1230	}
830	}	1231	};
831	}	1232	}
832		1233
833	sub object_freezer_as_string {	1234	sub object_freezer_as_string {
834	my ($rdata, $objs) = @_;	1235	my ($rdata, $objs) = @_;
835		1236
…		…
847	or return;	1248	or return;
848		1249
849	unless (aio_stat "$filename.pst") {	1250	unless (aio_stat "$filename.pst") {
850	(aio_load "$filename.pst", $av) >= 0	1251	(aio_load "$filename.pst", $av) >= 0
851	or return;	1252	or return;
		1253
852	$av = eval { (Storable::thaw $av)->{objs} };	1254	my $st = eval { Coro::Storable::thaw $av };
		1255	$av = $st->{objs};
853	}	1256	}
854		1257
		1258	utf8::decode (my $decname = $filename);
855	warn sprintf "loading %s (%d)\n",	1259	warn sprintf "loading %s (%d,%d)\n",
856	$filename, length $data, scalar @{$av || []};#d#	1260	$decname, length $data, scalar @{$av || []};
		1261
857	return ($data, $av);	1262	($data, $av)
858	}	1263	}
		1264
		1265	=head2 COMMAND CALLBACKS
		1266
		1267	=over 4
		1268
		1269	=cut
859		1270
860	#############################################################################	1271	#############################################################################
861	# command handling &c	1272	# command handling &c
862		1273
863	=item cf::register_command $name => \&callback($ob,$args);	1274	=item cf::register_command $name => \&callback($ob,$args);
…		…
876	push @{ $COMMAND{$name} }, [$caller, $cb];	1287	push @{ $COMMAND{$name} }, [$caller, $cb];
877	}	1288	}
878		1289
879	=item cf::register_extcmd $name => \&callback($pl,$packet);	1290	=item cf::register_extcmd $name => \&callback($pl,$packet);
880		1291
881	Register a callbackf ro execution when the client sends an extcmd packet.	1292	Register a callback for execution when the client sends an (synchronous)
		1293	extcmd packet. Ext commands will be processed in the order they are
		1294	received by the server, like other user commands. The first argument is
		1295	the logged-in player. Ext commands can only be processed after a player
		1296	has logged in successfully.
882		1297
883	If the callback returns something, it is sent back as if reply was being	1298	If the callback returns something, it is sent back as if reply was being
884	called.	1299	called.
885		1300
		1301	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1302
		1303	Register a callback for execution when the client sends an (asynchronous)
		1304	exticmd packet. Exti commands are processed by the server as soon as they
		1305	are received, i.e. out of order w.r.t. other commands. The first argument
		1306	is a client socket. Exti commands can be received anytime, even before
		1307	log-in.
		1308
		1309	If the callback returns something, it is sent back as if reply was being
		1310	called.
		1311
886	=cut	1312	=cut
887		1313
888	sub register_extcmd {	1314	sub register_extcmd {
889	my ($name, $cb) = @_;	1315	my ($name, $cb) = @_;
890		1316
891	$EXTCMD{$name} = $cb;	1317	$EXTCMD{$name} = $cb;
892	}	1318	}
893		1319
		1320	sub register_exticmd {
		1321	my ($name, $cb) = @_;
		1322
		1323	$EXTICMD{$name} = $cb;
		1324	}
		1325
		1326	use File::Glob ();
		1327
894	cf::player->attach (	1328	cf::player->attach (
895	on_command => sub {	1329	on_unknown_command => sub {
896	my ($pl, $name, $params) = @_;	1330	my ($pl, $name, $params) = @_;
897		1331
898	my $cb = $COMMAND{$name}	1332	my $cb = $COMMAND{$name}
899	or return;	1333	or return;
900		1334
…		…
905	cf::override;	1339	cf::override;
906	},	1340	},
907	on_extcmd => sub {	1341	on_extcmd => sub {
908	my ($pl, $buf) = @_;	1342	my ($pl, $buf) = @_;
909		1343
910	my $msg = eval { from_json $buf };	1344	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
911		1345
912	if (ref $msg) {	1346	if (ref $msg) {
		1347	my ($type, $reply, @payload) =
		1348	"ARRAY" eq ref $msg
		1349	? @$msg
		1350	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1351
		1352	my @reply;
		1353
913	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1354	if (my $cb = $EXTCMD{$type}) {
914	if (my %reply = $cb->($pl, $msg)) {	1355	@reply = $cb->($pl, @payload);
915	$pl->ext_reply ($msg->{msgid}, %reply);
916	}
917	}	1356	}
		1357
		1358	$pl->ext_reply ($reply, @reply)
		1359	if $reply;
		1360
918	} else {	1361	} else {
919	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1362	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
920	}	1363	}
921		1364
922	cf::override;	1365	cf::override;
923	},	1366	},
924	);	1367	);
925		1368
		1369	# "readahead" all extensions
926	sub load_extension {	1370	sub cache_extensions {
927	my ($path) = @_;	1371	my $grp = IO::AIO::aio_group;
928		1372
929	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1373	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
930	my $base = $1;	1374	for (grep /\.ext$/, @{$_[0]}) {
931	my $pkg = $1;	1375	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
932	$pkg =~ s/[^[:word:]]/_/g;
933	$pkg = "ext::$pkg";
934
935	warn "... loading '$path' into '$pkg'\n";
936
937	open my $fh, "<:utf8", $path
938	or die "$path: $!";
939
940	my $source =
941	"package $pkg; use strict; use utf8;\n"
942	. "#line 1 \"$path\"\n{\n"
943	. (do { local $/; <$fh> })
944	. "\n};\n1";
945
946	unless (eval $source) {
947	my $msg = $@ ? "$path: $@\n"
948	: "extension disabled.\n";
949	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
950	warn $@;
951	warn "mandatory extension failed to load, exiting.\n";
952	exit 1;
953	}	1376	}
954	die $@;
955	}	1377	};
956		1378
957	push @EXTS, $pkg;	1379	$grp
958	}	1380	}
959		1381
960	sub load_extensions {	1382	sub load_extensions {
		1383	cf::sync_job {
		1384	my %todo;
		1385
961	for my $ext (<$LIBDIR/*.ext>) {	1386	for my $path (<$LIBDIR/*.ext>) {
962	next unless -r $ext;	1387	next unless -r $path;
963	eval {	1388
964	load_extension $ext;	1389	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1390	my $base = $1;
		1391	my $pkg = $1;
		1392	$pkg =~ s/[^[:word:]]/_/g;
		1393	$pkg = "ext::$pkg";
		1394
		1395	open my $fh, "<:utf8", $path
		1396	or die "$path: $!";
		1397
		1398	my $source = do { local $/; <$fh> };
		1399
		1400	my %ext = (
		1401	path => $path,
		1402	base => $base,
		1403	pkg => $pkg,
		1404	);
		1405
		1406	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1407	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1408
		1409	$ext{source} =
		1410	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1411	. "#line 1 \"$path\"\n{\n"
		1412	. $source
		1413	. "\n};\n1";
		1414
		1415	$todo{$base} = \%ext;
		1416	}
		1417
		1418	my $pass = 0;
		1419	my %done;
		1420	while (%todo) {
		1421	my $progress;
		1422
		1423	++$pass;
		1424
		1425	ext:
		1426	while (my ($k, $v) = each %todo) {
		1427	for (split /,\s*/, $v->{meta}{depends}) {
		1428	next ext
		1429	unless exists $done{$_};
		1430	}
		1431
		1432	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1433
		1434	my $active = eval $v->{source};
		1435
		1436	if (length $@) {
		1437	warn "$v->{path}: $@\n";
		1438
		1439	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1440	if exists $v->{meta}{mandatory};
		1441	} else {
		1442	$done{$k} = delete $todo{$k};
		1443	push @EXTS, $v->{pkg};
		1444	$progress = 1;
		1445
		1446	warn "$v->{base}: extension inactive.\n"
		1447	unless $active;
		1448	}
965	1	1449	}
966	} or warn "$ext not loaded: $@";	1450
		1451	unless ($progress) {
		1452	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1453
		1454	while (my ($k, $v) = each %todo) {
		1455	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1456	if exists $v->{meta}{mandatory};
		1457	}
		1458	}
		1459	}
967	}	1460	};
968	}	1461	}
969		1462
970	#############################################################################	1463	#############################################################################
971		1464
		1465	=back
		1466
972	=head2 CORE EXTENSIONS	1467	=head2 CORE EXTENSIONS
973		1468
974	Functions and methods that extend core crossfire objects.	1469	Functions and methods that extend core deliantra objects.
975		1470
976	=cut	1471	=cut
977		1472
978	package cf::player;	1473	package cf::player;
979		1474
980	use Coro::AIO;	1475	use Coro::AIO;
981		1476
982	=head3 cf::player	1477	=head3 cf::player
983		1478
984	=over 4	1479	=over 4
		1480
		1481	=item cf::player::num_playing
		1482
		1483	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1484
		1485	=cut
		1486
		1487	sub num_playing {
		1488	scalar grep
		1489	$_->ob->map
		1490	&& !$_->hidden
		1491	&& !$_->ob->flag (cf::FLAG_WIZ),
		1492	cf::player::list
		1493	}
985		1494
986	=item cf::player::find $login	1495	=item cf::player::find $login
987		1496
988	Returns the given player object, loading it if necessary (might block).	1497	Returns the given player object, loading it if necessary (might block).
989		1498
…		…
1008		1517
1009	sub exists($) {	1518	sub exists($) {
1010	my ($login) = @_;	1519	my ($login) = @_;
1011		1520
1012	$cf::PLAYER{$login}	1521	$cf::PLAYER{$login}
1013	or cf::sync_job { !aio_stat path $login }	1522	or !aio_stat path $login
1014	}	1523	}
1015		1524
1016	sub find($) {	1525	sub find($) {
1017	return $cf::PLAYER{$_[0]} || do {	1526	return $cf::PLAYER{$_[0]} || do {
1018	my $login = $_[0];	1527	my $login = $_[0];
…		…
1025	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1534	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1026	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1535	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1027	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1536	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1028	aio_unlink +(playerdir $login) . "/$login.pl";	1537	aio_unlink +(playerdir $login) . "/$login.pl";
1029		1538
1030	my $pl = load_pl path $login	1539	my $f = new_from_file cf::object::thawer path $login
1031	or return;	1540	or return;
		1541
		1542	my $pl = cf::player::load_pl $f
		1543	or return;
		1544
		1545	local $cf::PLAYER_LOADING{$login} = $pl;
		1546	$f->resolve_delayed_derefs;
1032	$cf::PLAYER{$login} = $pl	1547	$cf::PLAYER{$login} = $pl
1033	}	1548	}
1034	}	1549	}
1035	}	1550	}
		1551
		1552	cf::player->attach (
		1553	on_load => sub {
		1554	my ($pl, $path) = @_;
		1555
		1556	# restore slots saved in save, below
		1557	my $slots = delete $pl->{_slots};
		1558
		1559	$pl->ob->current_weapon ($slots->[0]);
		1560	$pl->combat_ob ($slots->[1]);
		1561	$pl->ranged_ob ($slots->[2]);
		1562	},
		1563	);
1036		1564
1037	sub save($) {	1565	sub save($) {
1038	my ($pl) = @_;	1566	my ($pl) = @_;
1039		1567
1040	return if $pl->{deny_save};	1568	return if $pl->{deny_save};
…		…
1045	return if $pl->{deny_save};	1573	return if $pl->{deny_save};
1046		1574
1047	aio_mkdir playerdir $pl, 0770;	1575	aio_mkdir playerdir $pl, 0770;
1048	$pl->{last_save} = $cf::RUNTIME;	1576	$pl->{last_save} = $cf::RUNTIME;
1049		1577
		1578	cf::get_slot 0.01;
		1579
		1580	# save slots, to be restored later
		1581	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1582
1050	$pl->save_pl ($path);	1583	$pl->save_pl ($path);
1051	Coro::cede;	1584	cf::cede_to_tick;
1052	}	1585	}
1053		1586
1054	sub new($) {	1587	sub new($) {
1055	my ($login) = @_;	1588	my ($login) = @_;
1056		1589
…		…
1062	$cf::PLAYER{$login} = $self;	1595	$cf::PLAYER{$login} = $self;
1063		1596
1064	$self	1597	$self
1065	}	1598	}
1066		1599
		1600	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1601
		1602	=cut
		1603
		1604	sub send_msg {
		1605	my $ns = shift->ns
		1606	or return;
		1607	$ns->send_msg (@_);
		1608	}
		1609
1067	=item $pl->quit_character	1610	=item $pl->quit_character
1068		1611
1069	Nukes the player without looking back. If logged in, the connection will	1612	Nukes the player without looking back. If logged in, the connection will
1070	be destroyed. May block for a long time.	1613	be destroyed. May block for a long time.
1071		1614
…		…
1075	my ($pl) = @_;	1618	my ($pl) = @_;
1076		1619
1077	my $name = $pl->ob->name;	1620	my $name = $pl->ob->name;
1078		1621
1079	$pl->{deny_save} = 1;	1622	$pl->{deny_save} = 1;
1080	$pl->password ("*"); # this should lock out the player until we nuked the dir	1623	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1081		1624
1082	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1625	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1083	$pl->deactivate;	1626	$pl->deactivate;
		1627	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1628	$pl->ob->check_score;
1084	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1629	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1085	$pl->ns->destroy if $pl->ns;	1630	$pl->ns->destroy if $pl->ns;
1086		1631
1087	my $path = playerdir $pl;	1632	my $path = playerdir $pl;
1088	my $temp = "$path~$cf::RUNTIME~deleting~";	1633	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1124	or return [];	1669	or return [];
1125		1670
1126	my @logins;	1671	my @logins;
1127		1672
1128	for my $login (@$dirs) {	1673	for my $login (@$dirs) {
		1674	my $path = path $login;
		1675
		1676	# a .pst is a dead give-away for a valid player
		1677	# if no pst file found, open and chekc for blocked users
		1678	if (aio_stat "$path.pst") {
1129	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1679	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1130	aio_read $fh, 0, 512, my $buf, 0 or next;	1680	aio_read $fh, 0, 512, my $buf, 0 or next;
1131	$buf !~ /^password -------------$/m or next; # official not-valid tag	1681	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1682	}
1132		1683
1133	utf8::decode $login;	1684	utf8::decode $login;
1134	push @logins, $login;	1685	push @logins, $login;
1135	}	1686	}
1136		1687
…		…
1163	}	1714	}
1164		1715
1165	\@paths	1716	\@paths
1166	}	1717	}
1167		1718
		1719	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1720
		1721	Expand deliantra pod fragments into protocol xml.
		1722
1168	=item $player->ext_reply ($msgid, %msg)	1723	=item $player->ext_reply ($msgid, @msg)
1169		1724
1170	Sends an ext reply to the player.	1725	Sends an ext reply to the player.
1171		1726
1172	=cut	1727	=cut
1173		1728
1174	sub ext_reply($$%) {	1729	sub ext_reply($$@) {
1175	my ($self, $id, %msg) = @_;	1730	my ($self, $id, @msg) = @_;
1176		1731
1177	$msg{msgid} = $id;	1732	$self->ns->ext_reply ($id, @msg)
1178
1179	$self->send ("ext " . cf::to_json \%msg);
1180	}	1733	}
1181		1734
1182	=item $player->ext_event ($type, %msg)	1735	=item $player->ext_msg ($type, @msg)
1183		1736
1184	Sends an ext event to the client.	1737	Sends an ext event to the client.
1185		1738
1186	=cut	1739	=cut
1187		1740
1188	sub ext_event($$%) {	1741	sub ext_msg($$@) {
1189	my ($self, $type, %msg) = @_;	1742	my ($self, $type, @msg) = @_;
1190		1743
1191	$self->ns->ext_event ($type, %msg);	1744	$self->ns->ext_msg ($type, @msg);
1192	}	1745	}
1193		1746
1194	=head3 cf::region	1747	=head3 cf::region
1195		1748
1196	=over 4	1749	=over 4
…		…
1199		1752
1200	package cf::region;	1753	package cf::region;
1201		1754
1202	=item cf::region::find_by_path $path	1755	=item cf::region::find_by_path $path
1203		1756
1204	Tries to decuce the probable region for a map knowing only its path.	1757	Tries to decuce the likely region for a map knowing only its path.
1205		1758
1206	=cut	1759	=cut
1207		1760
1208	sub find_by_path($) {	1761	sub find_by_path($) {
1209	my ($path) = @_;	1762	my ($path) = @_;
1210		1763
1211	my ($match, $specificity);	1764	my ($match, $specificity);
1212		1765
1213	for my $region (list) {	1766	for my $region (list) {
1214	if ($region->match && $path =~ $region->match) {	1767	if ($region->{match} && $path =~ $region->{match}) {
1215	($match, $specificity) = ($region, $region->specificity)	1768	($match, $specificity) = ($region, $region->specificity)
1216	if $region->specificity > $specificity;	1769	if $region->specificity > $specificity;
1217	}	1770	}
1218	}	1771	}
1219		1772
…		…
1240	our $MAX_RESET = 3600;	1793	our $MAX_RESET = 3600;
1241	our $DEFAULT_RESET = 3000;	1794	our $DEFAULT_RESET = 3000;
1242		1795
1243	sub generate_random_map {	1796	sub generate_random_map {
1244	my ($self, $rmp) = @_;	1797	my ($self, $rmp) = @_;
		1798
		1799	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1800
1245	# mit "rum" bekleckern, nicht	1801	# mit "rum" bekleckern, nicht
1246	$self->_create_random_map (	1802	$self->_create_random_map (
1247	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1803	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1248	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1804	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1249	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1805	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1250	$rmp->{exit_on_final_map},	1806	$rmp->{exit_on_final_map},
1251	$rmp->{xsize}, $rmp->{ysize},	1807	$rmp->{xsize}, $rmp->{ysize},
1252	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1808	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1253	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1809	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1283	my ($self, $merge) = @_;	1839	my ($self, $merge) = @_;
1284		1840
1285	# we have to keep some variables in memory intact	1841	# we have to keep some variables in memory intact
1286	local $self->{path};	1842	local $self->{path};
1287	local $self->{load_path};	1843	local $self->{load_path};
1288	local $self->{deny_save};
1289	local $self->{deny_reset};
1290		1844
1291	$self->SUPER::thawer_merge ($merge);	1845	$self->SUPER::thawer_merge ($merge);
1292	}	1846	}
1293		1847
1294	sub normalise {	1848	sub normalise {
…		…
1341	$self->init; # pass $1 etc.	1895	$self->init; # pass $1 etc.
1342	return $self;	1896	return $self;
1343	}	1897	}
1344	}	1898	}
1345		1899
1346	Carp::carp "unable to resolve path '$path' (base '$base').";	1900	Carp::cluck "unable to resolve path '$path' (base '$base').";
1347	()	1901	()
1348	}	1902	}
1349		1903
1350	sub init {	1904	sub init {
1351	my ($self) = @_;	1905	my ($self) = @_;
…		…
1373		1927
1374	# the temporary/swap location	1928	# the temporary/swap location
1375	sub save_path {	1929	sub save_path {
1376	my ($self) = @_;	1930	my ($self) = @_;
1377		1931
1378	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1932	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1379	"$TMPDIR/$path.map"	1933	"$TMPDIR/$path.map"
1380	}	1934	}
1381		1935
1382	# the unique path, undef == no special unique path	1936	# the unique path, undef == no special unique path
1383	sub uniq_path {	1937	sub uniq_path {
1384	my ($self) = @_;	1938	my ($self) = @_;
1385		1939
1386	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1940	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1387	"$UNIQUEDIR/$path"	1941	"$UNIQUEDIR/$path"
1388	}	1942	}
1389		1943
1390	# and all this just because we cannot iterate over	1944	sub decay_objects {
1391	# all maps in C++...
1392	sub change_all_map_light {
1393	my ($change) = @_;	1945	my ($self) = @_;
1394		1946
1395	$_->change_map_light ($change)	1947	return if $self->{deny_reset};
1396	for grep $_->outdoor, values %cf::MAP;	1948
		1949	$self->do_decay_objects;
1397	}	1950	}
1398		1951
1399	sub unlink_save {	1952	sub unlink_save {
1400	my ($self) = @_;	1953	my ($self) = @_;
1401		1954
…		…
1406		1959
1407	sub load_header_from($) {	1960	sub load_header_from($) {
1408	my ($self, $path) = @_;	1961	my ($self, $path) = @_;
1409		1962
1410	utf8::encode $path;	1963	utf8::encode $path;
1411	#aio_open $path, O_RDONLY, 0	1964	my $f = new_from_file cf::object::thawer $path
1412	# or return;
1413
1414	$self->_load_header ($path)
1415	or return;	1965	or return;
		1966
		1967	$self->_load_header ($f)
		1968	or return;
		1969
		1970	local $MAP_LOADING{$self->{path}} = $self;
		1971	$f->resolve_delayed_derefs;
1416		1972
1417	$self->{load_path} = $path;	1973	$self->{load_path} = $path;
1418		1974
1419	1	1975	1
1420	}	1976	}
…		…
1459	$self->load_header_orig	2015	$self->load_header_orig
1460	or return;	2016	or return;
1461	$self->prepare_orig;	2017	$self->prepare_orig;
1462	}	2018	}
1463		2019
		2020	$self->{deny_reset} = 1
		2021	if $self->no_reset;
		2022
1464	$self->default_region (cf::region::find_by_path $self->{path})	2023	$self->default_region (cf::region::find_by_path $self->{path})
1465	unless $self->default_region;	2024	unless $self->default_region;
1466		2025
1467	1	2026	1
1468	}	2027	}
…		…
1471	sub find {	2030	sub find {
1472	my ($path, $origin) = @_;	2031	my ($path, $origin) = @_;
1473		2032
1474	$path = normalise $path, $origin && $origin->path;	2033	$path = normalise $path, $origin && $origin->path;
1475		2034
		2035	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1476	cf::lock_wait "map_find:$path";	2036	my $guard2 = cf::lock_acquire "map_find:$path";
1477		2037
1478	$cf::MAP{$path} || do {	2038	$cf::MAP{$path} || do {
1479	my $guard = cf::lock_acquire "map_find:$path";
1480	my $map = new_from_path cf::map $path	2039	my $map = new_from_path cf::map $path
1481	or return;	2040	or return;
1482		2041
1483	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1484		2043
1485	$map->load_header	2044	$map->load_header
1486	or return;	2045	or return;
1487		2046
1488	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1489	# doing this can freeze the server in a sync job, obviously	2048	# doing this can freeze the server in a sync job, obviously
1490	#$cf::WAIT_FOR_TICK->wait;	2049	#$cf::WAIT_FOR_TICK->wait;
		2050	undef $guard2;
		2051	undef $guard1;
1491	$map->reset;	2052	$map->reset;
1492	undef $guard;
1493	return find $path;	2053	return find $path;
1494	}	2054	}
1495		2055
1496	$cf::MAP{$path} = $map	2056	$cf::MAP{$path} = $map
1497	}	2057	}
1498	}	2058	}
1499		2059
1500	sub pre_load { }	2060	sub pre_load { }
1501	sub post_load { }	2061	#sub post_load { } # XS
1502		2062
1503	sub load {	2063	sub load {
1504	my ($self) = @_;	2064	my ($self) = @_;
1505		2065
1506	local $self->{deny_reset} = 1; # loading can take a long time	2066	local $self->{deny_reset} = 1; # loading can take a long time
1507		2067
1508	my $path = $self->{path};	2068	my $path = $self->{path};
1509		2069
1510	{	2070	{
1511	my $guard = cf::lock_acquire "map_load:$path";	2071	my $guard = cf::lock_acquire "map_data:$path";
1512		2072
		2073	return unless $self->valid;
1513	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1514		2075
1515	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1516		2077
1517	$self->alloc;	2078	$self->alloc;
1518		2079
1519	$self->pre_load;	2080	$self->pre_load;
1520	Coro::cede;	2081	cf::cede_to_tick;
1521		2082
		2083	my $f = new_from_file cf::object::thawer $self->{load_path};
		2084	$f->skip_block;
1522	$self->_load_objects ($self->{load_path}, 1)	2085	$self->_load_objects ($f)
1523	or return;	2086	or return;
1524		2087
1525	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->post_load_original
1526	if delete $self->{load_original};	2089	if delete $self->{load_original};
1527		2090
1528	if (my $uniq = $self->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1529	utf8::encode $uniq;	2092	utf8::encode $uniq;
1530	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1531	$self->clear_unique_items;	2095	$self->clear_unique_items;
1532	$self->_load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1533	}	2099	}
1534	}	2100	}
1535		2101
1536	Coro::cede;	2102	$f->resolve_delayed_derefs;
		2103
		2104	cf::cede_to_tick;
1537	# now do the right thing for maps	2105	# now do the right thing for maps
1538	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1539	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
1540	unless $self->difficulty;	2108	unless $self->difficulty;
1541	Coro::cede;	2109	cf::cede_to_tick;
1542		2110
1543	unless ($self->{deny_activate}) {	2111	unless ($self->{deny_activate}) {
1544	$self->decay_objects;	2112	$self->decay_objects;
1545	$self->fix_auto_apply;	2113	$self->fix_auto_apply;
1546	$self->update_buttons;	2114	$self->update_buttons;
1547	Coro::cede;	2115	cf::cede_to_tick;
1548	$self->set_darkness_map;
1549	Coro::cede;
1550	$self->activate;	2116	$self->activate;
1551	}	2117	}
1552		2118
		2119	$self->{last_save} = $cf::RUNTIME;
		2120	$self->last_access ($cf::RUNTIME);
		2121
1553	$self->in_memory (cf::MAP_IN_MEMORY);	2122	$self->in_memory (cf::MAP_ACTIVE);
1554	}	2123	}
1555		2124
1556	$self->post_load;	2125	$self->post_load;
1557	}	2126	}
1558		2127
		2128	# customize the map for a given player, i.e.
		2129	# return the _real_ map. used by e.g. per-player
		2130	# maps to change the path to ~playername/mappath
1559	sub customise_for {	2131	sub customise_for {
1560	my ($self, $ob) = @_;	2132	my ($self, $ob) = @_;
1561		2133
1562	return find "~" . $ob->name . "/" . $self->{path}	2134	return find "~" . $ob->name . "/" . $self->{path}
1563	if $self->per_player;	2135	if $self->per_player;
1564		2136
		2137	# return find "?party/" . $ob->name . "/" . $self->{path}
		2138	# if $self->per_party;
		2139
1565	$self	2140	$self
1566	}	2141	}
1567		2142
1568	# find and load all maps in the 3x3 area around a map	2143	# find and load all maps in the 3x3 area around a map
1569	sub load_diag {	2144	sub load_neighbours {
1570	my ($map) = @_;	2145	my ($map) = @_;
1571		2146
1572	my @diag; # diagonal neighbours	2147	my @neigh; # diagonal neighbours
1573		2148
1574	for (0 .. 3) {	2149	for (0 .. 3) {
1575	my $neigh = $map->tile_path ($_)	2150	my $neigh = $map->tile_path ($_)
1576	or next;	2151	or next;
1577	$neigh = find $neigh, $map	2152	$neigh = find $neigh, $map
1578	or next;	2153	or next;
1579	$neigh->load;	2154	$neigh->load;
1580		2155
		2156	push @neigh,
1581	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2157	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1582	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2158	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1583	}	2159	}
1584		2160
1585	for (@diag) {	2161	for (grep defined $_->[0], @neigh) {
		2162	my ($path, $origin) = @$_;
1586	my $neigh = find @$_	2163	my $neigh = find $path, $origin
1587	or next;	2164	or next;
1588	$neigh->load;	2165	$neigh->load;
1589	}	2166	}
1590	}	2167	}
1591		2168
…		…
1596	}	2173	}
1597		2174
1598	sub do_load_sync {	2175	sub do_load_sync {
1599	my ($map) = @_;	2176	my ($map) = @_;
1600		2177
		2178	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2179	if $Coro::current == $Coro::main;
		2180
1601	cf::sync_job { $map->load };	2181	cf::sync_job { $map->load };
1602	}	2182	}
1603		2183
1604	our %MAP_PREFETCH;	2184	our %MAP_PREFETCH;
1605	our $MAP_PREFETCHER = undef;	2185	our $MAP_PREFETCHER = undef;
1606		2186
1607	sub find_async {	2187	sub find_async {
1608	my ($path, $origin) = @_;	2188	my ($path, $origin, $load) = @_;
1609		2189
1610	$path = normalise $path, $origin && $origin->{path};	2190	$path = normalise $path, $origin && $origin->{path};
1611		2191
1612	if (my $map = $cf::MAP{$path}) {	2192	if (my $map = $cf::MAP{$path}) {
1613	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2193	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1614	}	2194	}
1615		2195
1616	undef $MAP_PREFETCH{$path};	2196	$MAP_PREFETCH{$path} |= $load;
		2197
1617	$MAP_PREFETCHER ||= cf::async {	2198	$MAP_PREFETCHER ||= cf::async {
		2199	$Coro::current->{desc} = "map prefetcher";
		2200
1618	while (%MAP_PREFETCH) {	2201	while (%MAP_PREFETCH) {
1619	for my $path (keys %MAP_PREFETCH) {	2202	while (my ($k, $v) = each %MAP_PREFETCH) {
1620	my $map = find $path	2203	if (my $map = find $k) {
1621	or next;
1622	$map->load;	2204	$map->load if $v;
		2205	}
1623		2206
1624	delete $MAP_PREFETCH{$path};	2207	delete $MAP_PREFETCH{$k};
1625	}	2208	}
1626	}	2209	}
1627	undef $MAP_PREFETCHER;	2210	undef $MAP_PREFETCHER;
1628	};	2211	};
1629	$MAP_PREFETCHER->prio (6);	2212	$MAP_PREFETCHER->prio (6);
…		…
1632	}	2215	}
1633		2216
1634	sub save {	2217	sub save {
1635	my ($self) = @_;	2218	my ($self) = @_;
1636		2219
1637	my $lock = cf::lock_acquire "map_data:" . $self->path;	2220	my $lock = cf::lock_acquire "map_data:$self->{path}";
1638		2221
1639	$self->{last_save} = $cf::RUNTIME;	2222	$self->{last_save} = $cf::RUNTIME;
1640		2223
1641	return unless $self->dirty;	2224	return unless $self->dirty;
1642		2225
…		…
1648	return if $self->{deny_save};	2231	return if $self->{deny_save};
1649		2232
1650	local $self->{last_access} = $self->last_access;#d#	2233	local $self->{last_access} = $self->last_access;#d#
1651		2234
1652	cf::async {	2235	cf::async {
		2236	$Coro::current->{desc} = "map player save";
1653	$_->contr->save for $self->players;	2237	$_->contr->save for $self->players;
1654	};	2238	};
		2239
		2240	cf::get_slot 0.02;
1655		2241
1656	if ($uniq) {	2242	if ($uniq) {
1657	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2243	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1658	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2244	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1659	} else {	2245	} else {
…		…
1665	my ($self) = @_;	2251	my ($self) = @_;
1666		2252
1667	# save first because save cedes	2253	# save first because save cedes
1668	$self->save;	2254	$self->save;
1669		2255
1670	my $lock = cf::lock_acquire "map_data:" . $self->path;	2256	my $lock = cf::lock_acquire "map_data:$self->{path}";
1671		2257
1672	return if $self->players;	2258	return if $self->players;
1673	return if $self->in_memory != cf::MAP_IN_MEMORY;	2259	return if $self->in_memory != cf::MAP_ACTIVE;
1674	return if $self->{deny_save};	2260	return if $self->{deny_save};
1675		2261
		2262	$self->in_memory (cf::MAP_SWAPPED);
		2263
		2264	$self->deactivate;
		2265	$_->clear_links_to ($self) for values %cf::MAP;
1676	$self->clear;	2266	$self->clear;
1677	$self->in_memory (cf::MAP_SWAPPED);
1678	}	2267	}
1679		2268
1680	sub reset_at {	2269	sub reset_at {
1681	my ($self) = @_;	2270	my ($self) = @_;
1682		2271
1683	# TODO: safety, remove and allow resettable per-player maps	2272	# TODO: safety, remove and allow resettable per-player maps
1684	return 1e99 if $self->isa ("ext::map_per_player");#d#
1685	return 1e99 if $self->{deny_reset};	2273	return 1e99 if $self->{deny_reset};
1686		2274
1687	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2275	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1688	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2276	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1689		2277
…		…
1700	my ($self) = @_;	2288	my ($self) = @_;
1701		2289
1702	my $lock = cf::lock_acquire "map_data:$self->{path}";	2290	my $lock = cf::lock_acquire "map_data:$self->{path}";
1703		2291
1704	return if $self->players;	2292	return if $self->players;
1705	return if $self->isa ("ext::map_per_player");#d#
1706		2293
1707	warn "resetting map ", $self->path;#d#	2294	warn "resetting map ", $self->path, "\n";
1708		2295
1709	$self->in_memory (cf::MAP_SWAPPED);	2296	$self->in_memory (cf::MAP_SWAPPED);
1710		2297
1711	# need to save uniques path	2298	# need to save uniques path
1712	unless ($self->{deny_save}) {	2299	unless ($self->{deny_save}) {
…		…
1716	if $uniq;	2303	if $uniq;
1717	}	2304	}
1718		2305
1719	delete $cf::MAP{$self->path};	2306	delete $cf::MAP{$self->path};
1720		2307
		2308	$self->deactivate;
		2309	$_->clear_links_to ($self) for values %cf::MAP;
1721	$self->clear;	2310	$self->clear;
1722
1723	$_->clear_links_to ($self) for values %cf::MAP;
1724		2311
1725	$self->unlink_save;	2312	$self->unlink_save;
1726	$self->destroy;	2313	$self->destroy;
1727	}	2314	}
1728		2315
1729	my $nuke_counter = "aaaa";	2316	my $nuke_counter = "aaaa";
1730		2317
1731	sub nuke {	2318	sub nuke {
1732	my ($self) = @_;	2319	my ($self) = @_;
1733		2320
		2321	{
		2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2323
1734	delete $cf::MAP{$self->path};	2324	delete $cf::MAP{$self->path};
1735		2325
1736	$self->unlink_save;	2326	$self->unlink_save;
1737		2327
1738	bless $self, "cf::map";	2328	bless $self, "cf::map";
1739	delete $self->{deny_reset};	2329	delete $self->{deny_reset};
1740	$self->{deny_save} = 1;	2330	$self->{deny_save} = 1;
1741	$self->reset_timeout (1);	2331	$self->reset_timeout (1);
1742	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2332	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1743		2333
1744	$cf::MAP{$self->path} = $self;	2334	$cf::MAP{$self->path} = $self;
		2335	}
1745		2336
1746	$self->reset; # polite request, might not happen	2337	$self->reset; # polite request, might not happen
		2338	}
		2339
		2340	=item $maps = cf::map::tmp_maps
		2341
		2342	Returns an arrayref with all map paths of currently instantiated and saved
		2343	maps. May block.
		2344
		2345	=cut
		2346
		2347	sub tmp_maps() {
		2348	[
		2349	map {
		2350	utf8::decode $_;
		2351	/\.map$/
		2352	? normalise $_
		2353	: ()
		2354	} @{ aio_readdir $TMPDIR or [] }
		2355	]
		2356	}
		2357
		2358	=item $maps = cf::map::random_maps
		2359
		2360	Returns an arrayref with all map paths of currently instantiated and saved
		2361	random maps. May block.
		2362
		2363	=cut
		2364
		2365	sub random_maps() {
		2366	[
		2367	map {
		2368	utf8::decode $_;
		2369	/\.map$/
		2370	? normalise "?random/$_"
		2371	: ()
		2372	} @{ aio_readdir $RANDOMDIR or [] }
		2373	]
1747	}	2374	}
1748		2375
1749	=item cf::map::unique_maps	2376	=item cf::map::unique_maps
1750		2377
1751	Returns an arrayref of paths of all shared maps that have	2378	Returns an arrayref of paths of all shared maps that have
1752	instantiated unique items. May block.	2379	instantiated unique items. May block.
1753		2380
1754	=cut	2381	=cut
1755		2382
1756	sub unique_maps() {	2383	sub unique_maps() {
1757	my $files = aio_readdir $UNIQUEDIR	2384	[
1758	or return;	2385	map {
1759
1760	my @paths;
1761
1762	for (@$files) {
1763	utf8::decode $_;	2386	utf8::decode $_;
1764	next if /\.pst$/;	2387	s/\.map$//; # TODO future compatibility hack
1765	next unless /^$PATH_SEP/o;	2388	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1766		2389	? ()
1767	push @paths, cf::map::normalise $_;	2390	: normalise $_
		2391	} @{ aio_readdir $UNIQUEDIR or [] }
1768	}	2392	]
1769
1770	\@paths
1771	}	2393	}
1772		2394
1773	package cf;	2395	=item cf::map::static_maps
		2396
		2397	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2398	file in the shared directory excluding F</styles> and F</editor>). May
		2399	block.
		2400
		2401	=cut
		2402
		2403	sub static_maps() {
		2404	my @dirs = "";
		2405	my @maps;
		2406
		2407	while (@dirs) {
		2408	my $dir = shift @dirs;
		2409
		2410	next if $dir eq "/styles" || $dir eq "/editor";
		2411
		2412	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2413	or return;
		2414
		2415	for (@$files) {
		2416	s/\.map$// or next;
		2417	utf8::decode $_;
		2418	push @maps, "$dir/$_";
		2419	}
		2420
		2421	push @dirs, map "$dir/$_", @$dirs;
		2422	}
		2423
		2424	\@maps
		2425	}
1774		2426
1775	=back	2427	=back
1776		2428
1777	=head3 cf::object	2429	=head3 cf::object
1778		2430
…		…
1782		2434
1783	=over 4	2435	=over 4
1784		2436
1785	=item $ob->inv_recursive	2437	=item $ob->inv_recursive
1786		2438
1787	Returns the inventory of the object _and_ their inventories, recursively.	2439	Returns the inventory of the object I<and> their inventories, recursively,
		2440	but I<not> the object itself.
1788		2441
1789	=cut	2442	=cut
1790		2443
1791	sub inv_recursive_;	2444	sub inv_recursive_;
1792	sub inv_recursive_ {	2445	sub inv_recursive_ {
…		…
1795		2448
1796	sub inv_recursive {	2449	sub inv_recursive {
1797	inv_recursive_ inv $_[0]	2450	inv_recursive_ inv $_[0]
1798	}	2451	}
1799		2452
		2453	=item $ref = $ob->ref
		2454
		2455	Creates and returns a persistent reference to an object that can be stored as a string.
		2456
		2457	=item $ob = cf::object::deref ($refstring)
		2458
		2459	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2460	even if the object actually exists. May block.
		2461
		2462	=cut
		2463
		2464	sub deref {
		2465	my ($ref) = @_;
		2466
		2467	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2468	my ($uuid, $name) = ($1, $2);
		2469	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2470	or return;
		2471	$pl->ob->uuid eq $uuid
		2472	or return;
		2473
		2474	$pl->ob
		2475	} else {
		2476	warn "$ref: cannot resolve object reference\n";
		2477	undef
		2478	}
		2479	}
		2480
1800	package cf;	2481	package cf;
1801		2482
1802	=back	2483	=back
1803		2484
1804	=head3 cf::object::player	2485	=head3 cf::object::player
…		…
1810	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2491	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1811	can be C<undef>. Does the right thing when the player is currently in a	2492	can be C<undef>. Does the right thing when the player is currently in a
1812	dialogue with the given NPC character.	2493	dialogue with the given NPC character.
1813		2494
1814	=cut	2495	=cut
		2496
		2497	our $SAY_CHANNEL = {
		2498	id => "say",
		2499	title => "Map",
		2500	reply => "say ",
		2501	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2502	};
		2503
		2504	our $CHAT_CHANNEL = {
		2505	id => "chat",
		2506	title => "Chat",
		2507	reply => "chat ",
		2508	tooltip => "Player chat and shouts, global to the server.",
		2509	};
1815		2510
1816	# rough implementation of a future "reply" method that works	2511	# rough implementation of a future "reply" method that works
1817	# with dialog boxes.	2512	# with dialog boxes.
1818	#TODO: the first argument must go, split into a $npc->reply_to ( method	2513	#TODO: the first argument must go, split into a $npc->reply_to ( method
1819	sub cf::object::player::reply($$$;$) {	2514	sub cf::object::player::reply($$$;$) {
…		…
1821		2516
1822	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2517	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1823		2518
1824	if ($self->{record_replies}) {	2519	if ($self->{record_replies}) {
1825	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2520	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2521
1826	} else {	2522	} else {
		2523	my $pl = $self->contr;
		2524
		2525	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2526	my $dialog = $pl->{npc_dialog};
		2527	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2528
		2529	} else {
1827	$msg = $npc->name . " says: $msg" if $npc;	2530	$msg = $npc->name . " says: $msg" if $npc;
1828	$self->message ($msg, $flags);	2531	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2532	}
1829	}	2533	}
		2534	}
		2535
		2536	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2537
		2538	=cut
		2539
		2540	sub cf::object::send_msg {
		2541	my $pl = shift->contr
		2542	or return;
		2543	$pl->send_msg (@_);
1830	}	2544	}
1831		2545
1832	=item $player_object->may ("access")	2546	=item $player_object->may ("access")
1833		2547
1834	Returns wether the given player is authorized to access resource "access"	2548	Returns wether the given player is authorized to access resource "access"
…		…
1847		2561
1848	=item $player_object->enter_link	2562	=item $player_object->enter_link
1849		2563
1850	Freezes the player and moves him/her to a special map (C<{link}>).	2564	Freezes the player and moves him/her to a special map (C<{link}>).
1851		2565
1852	The player should be reasonably safe there for short amounts of time. You	2566	The player should be reasonably safe there for short amounts of time (e.g.
1853	I<MUST> call C<leave_link> as soon as possible, though.	2567	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2568	though, as the palyer cannot control the character while it is on the link
		2569	map.
1854		2570
1855	Will never block.	2571	Will never block.
1856		2572
1857	=item $player_object->leave_link ($map, $x, $y)	2573	=item $player_object->leave_link ($map, $x, $y)
1858		2574
…		…
1881	$self->deactivate_recursive;	2597	$self->deactivate_recursive;
1882		2598
1883	return if UNIVERSAL::isa $self->map, "ext::map_link";	2599	return if UNIVERSAL::isa $self->map, "ext::map_link";
1884		2600
1885	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2601	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1886	if $self->map;	2602	if $self->map && $self->map->{path} ne "{link}";
1887		2603
1888	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2604	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1889	}	2605	}
1890		2606
1891	sub cf::object::player::leave_link {	2607	sub cf::object::player::leave_link {
1892	my ($self, $map, $x, $y) = @_;	2608	my ($self, $map, $x, $y) = @_;
		2609
		2610	return unless $self->contr->active;
1893		2611
1894	my $link_pos = delete $self->{_link_pos};	2612	my $link_pos = delete $self->{_link_pos};
1895		2613
1896	unless ($map) {	2614	unless ($map) {
1897	# restore original map position	2615	# restore original map position
…		…
1908	($x, $y) = (-1, -1)	2626	($x, $y) = (-1, -1)
1909	unless (defined $x) && (defined $y);	2627	unless (defined $x) && (defined $y);
1910		2628
1911	# use -1 or undef as default coordinates, not 0, 0	2629	# use -1 or undef as default coordinates, not 0, 0
1912	($x, $y) = ($map->enter_x, $map->enter_y)	2630	($x, $y) = ($map->enter_x, $map->enter_y)
1913	if $x <=0 && $y <= 0;	2631	if $x <= 0 && $y <= 0;
1914		2632
1915	$map->load;	2633	$map->load;
1916	$map->load_diag;	2634	$map->load_neighbours;
1917		2635
1918	return unless $self->contr->active;	2636	return unless $self->contr->active;
1919	$self->activate_recursive;
1920		2637
1921	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2638	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1922	$self->enter_map ($map, $x, $y);	2639	$self->enter_map ($map, $x, $y);
1923	}
1924		2640
1925	cf::player->attach (	2641	# only activate afterwards, to support waiting in hooks
1926	on_logout => sub {	2642	$self->activate_recursive;
1927	my ($pl) = @_;	2643	}
1928		2644
1929	# abort map switching before logout	2645	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1930	if ($pl->ob->{_link_pos}) {
1931	cf::sync_job {
1932	$pl->ob->leave_link
1933	};
1934	}
1935	},
1936	on_login => sub {
1937	my ($pl) = @_;
1938		2646
1939	# try to abort aborted map switching on player login :)	2647	Moves the player to the given map-path and coordinates by first freezing
1940	# should happen only on crashes	2648	her, loading and preparing them map, calling the provided $check callback
1941	if ($pl->ob->{_link_pos}) {	2649	that has to return the map if sucecssful, and then unfreezes the player on
1942	$pl->ob->enter_link;	2650	the new (success) or old (failed) map position. In either case, $done will
1943	(async {	2651	be called at the end of this process.
1944	$pl->ob->reply (undef,
1945	"There was an internal problem at your last logout, "
1946	. "the server will try to bring you to your intended destination in a second.",
1947	cf::NDI_RED);
1948	# we need this sleep as the login has a concurrent enter_exit running
1949	# and this sleep increases chances of the player not ending up in scorn
1950	Coro::Timer::sleep 1;
1951	$pl->ob->leave_link;
1952	})->prio (2);
1953	}
1954	},
1955	);
1956		2652
1957	=item $player_object->goto ($path, $x, $y)	2653	Note that $check will be called with a potentially non-loaded map, so if
		2654	it needs a loaded map it has to call C<< ->load >>.
1958		2655
1959	=cut	2656	=cut
		2657
		2658	our $GOTOGEN;
1960		2659
1961	sub cf::object::player::goto {	2660	sub cf::object::player::goto {
1962	my ($self, $path, $x, $y) = @_;	2661	my ($self, $path, $x, $y, $check, $done) = @_;
		2662
		2663	# do generation counting so two concurrent goto's will be executed in-order
		2664	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1963		2665
1964	$self->enter_link;	2666	$self->enter_link;
1965		2667
1966	(async {	2668	(async {
		2669	$Coro::current->{desc} = "player::goto $path $x $y";
		2670
		2671	# *tag paths override both path and x|y
		2672	if ($path =~ /^\*(.*)$/) {
		2673	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2674	my $ob = $obs[rand @obs];
		2675
		2676	# see if we actually can go there
		2677	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2678	$ob = $obs[rand @obs];
		2679	} else {
		2680	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2681	}
		2682	# else put us there anyways for now #d#
		2683
		2684	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2685	} else {
		2686	($path, $x, $y) = (undef, undef, undef);
		2687	}
		2688	}
		2689
1967	my $map = eval {	2690	my $map = eval {
1968	my $map = cf::map::find $path;	2691	my $map = defined $path ? cf::map::find $path : undef;
		2692
		2693	if ($map) {
1969	$map = $map->customise_for ($self) if $map;	2694	$map = $map->customise_for ($self);
		2695	$map = $check->($map) if $check && $map;
		2696	} else {
		2697	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2698	}
		2699
1970	$map	2700	$map
		2701	};
		2702
		2703	if ($@) {
		2704	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2705	LOG llevError | logBacktrace, Carp::longmess $@;
1971	} or	2706	}
1972	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1973		2707
		2708	if ($gen == $self->{_goto_generation}) {
		2709	delete $self->{_goto_generation};
1974	$self->leave_link ($map, $x, $y);	2710	$self->leave_link ($map, $x, $y);
		2711	}
		2712
		2713	$done->() if $done;
1975	})->prio (1);	2714	})->prio (1);
1976	}	2715	}
1977		2716
1978	=item $player_object->enter_exit ($exit_object)	2717	=item $player_object->enter_exit ($exit_object)
1979		2718
…		…
1999	}	2738	}
2000		2739
2001	sub prepare_random_map {	2740	sub prepare_random_map {
2002	my ($exit) = @_;	2741	my ($exit) = @_;
2003		2742
2004	my $guard = cf::lock_acquire "exit_prepare:$exit";
2005
2006	# all this does is basically replace the /! path by	2743	# all this does is basically replace the /! path by
2007	# a new random map path (?random/...) with a seed	2744	# a new random map path (?random/...) with a seed
2008	# that depends on the exit object	2745	# that depends on the exit object
2009		2746
2010	my $rmp = parse_random_map_params $exit->msg;	2747	my $rmp = parse_random_map_params $exit->msg;
…		…
2012	if ($exit->map) {	2749	if ($exit->map) {
2013	$rmp->{region} = $exit->region->name;	2750	$rmp->{region} = $exit->region->name;
2014	$rmp->{origin_map} = $exit->map->path;	2751	$rmp->{origin_map} = $exit->map->path;
2015	$rmp->{origin_x} = $exit->x;	2752	$rmp->{origin_x} = $exit->x;
2016	$rmp->{origin_y} = $exit->y;	2753	$rmp->{origin_y} = $exit->y;
		2754
		2755	$exit->map->touch;
2017	}	2756	}
2018		2757
2019	$rmp->{random_seed} ||= $exit->random_seed;	2758	$rmp->{random_seed} ||= $exit->random_seed;
2020		2759
2021	my $data = cf::to_json $rmp;	2760	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2022	my $md5 = Digest::MD5::md5_hex $data;	2761	my $md5 = Digest::MD5::md5_hex $data;
2023	my $meta = "$RANDOMDIR/$md5.meta";	2762	my $meta = "$RANDOMDIR/$md5.meta";
2024		2763
2025	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2764	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2026	aio_write $fh, 0, (length $data), $data, 0;	2765	aio_write $fh, 0, (length $data), $data, 0;
2027	undef $fh;	2766	undef $fh;
2028	aio_rename "$meta~", $meta;	2767	aio_rename "$meta~", $meta;
2029		2768
		2769	my $slaying = "?random/$md5";
		2770
		2771	if ($exit->valid) {
2030	$exit->slaying ("?random/$md5");	2772	$exit->slaying ("?random/$md5");
2031	$exit->msg (undef);	2773	$exit->msg (undef);
		2774	}
2032	}	2775	}
2033	}	2776	}
2034		2777
2035	sub cf::object::player::enter_exit {	2778	sub cf::object::player::enter_exit {
2036	my ($self, $exit) = @_;	2779	my ($self, $exit) = @_;
2037		2780
2038	return unless $self->type == cf::PLAYER;	2781	return unless $self->type == cf::PLAYER;
2039		2782
2040	if ($exit->slaying eq "/!") {
2041	#TODO: this should de-fi-ni-te-ly not be a sync-job
2042	# the problem is that $exit might not survive long enough
2043	# so it needs to be done right now, right here
2044	cf::sync_job { prepare_random_map $exit };
2045	}
2046
2047	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2048	my $hp = $exit->stats->hp;
2049	my $sp = $exit->stats->sp;
2050
2051	$self->enter_link;	2783	$self->enter_link;
2052		2784
2053	(async {	2785	(async {
2054	$self->deactivate_recursive; # just to be sure	2786	$Coro::current->{desc} = "enter_exit";
		2787
2055	unless (eval {	2788	unless (eval {
		2789	$self->deactivate_recursive; # just to be sure
		2790
		2791	# random map handling
		2792	{
		2793	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2794
		2795	prepare_random_map $exit
		2796	if $exit->slaying eq "/!";
		2797	}
		2798
		2799	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2800	my $x = $exit->stats->hp;
		2801	my $y = $exit->stats->sp;
		2802
2056	$self->goto ($slaying, $hp, $sp);	2803	$self->goto ($map, $x, $y);
2057		2804
		2805	# if exit is damned, update players death & WoR home-position
		2806	$self->contr->savebed ($map, $x, $y)
		2807	if $exit->flag (cf::FLAG_DAMNED);
		2808
2058	1;	2809	1
2059	}) {	2810	}) {
2060	$self->message ("Something went wrong deep within the crossfire server. "	2811	$self->message ("Something went wrong deep within the deliantra server. "
2061	. "I'll try to bring you back to the map you were before. "	2812	. "I'll try to bring you back to the map you were before. "
2062	. "Please report this to the dungeon master!",	2813	. "Please report this to the dungeon master!",
2063	cf::NDI_UNIQUE | cf::NDI_RED);	2814	cf::NDI_UNIQUE | cf::NDI_RED);
2064		2815
2065	warn "ERROR in enter_exit: $@";	2816	warn "ERROR in enter_exit: $@";
…		…
2084		2835
2085	utf8::encode $text;	2836	utf8::encode $text;
2086	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2837	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2087	}	2838	}
2088		2839
		2840	=item $client->send_big_packet ($pkt)
		2841
		2842	Like C<send_packet>, but tries to compress large packets, and fragments
		2843	them as required.
		2844
		2845	=cut
		2846
		2847	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2848
		2849	sub cf::client::send_big_packet {
		2850	my ($self, $pkt) = @_;
		2851
		2852	# try lzf for large packets
		2853	$pkt = "lzf " . Compress::LZF::compress $pkt
		2854	if 1024 <= length $pkt and $self->{can_lzf};
		2855
		2856	# split very large packets
		2857	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2858	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2859	$pkt = "frag";
		2860	}
		2861
		2862	$self->send_packet ($pkt);
		2863	}
		2864
		2865	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2866
		2867	Send a drawinfo or msg packet to the client, formatting the msg for the
		2868	client if neccessary. C<$type> should be a string identifying the type of
		2869	the message, with C<log> being the default. If C<$color> is negative, suppress
		2870	the message unless the client supports the msg packet.
		2871
		2872	=cut
		2873
		2874	# non-persistent channels (usually the info channel)
		2875	our %CHANNEL = (
		2876	"c/motd" => {
		2877	id => "infobox",
		2878	title => "MOTD",
		2879	reply => undef,
		2880	tooltip => "The message of the day",
		2881	},
		2882	"c/identify" => {
		2883	id => "infobox",
		2884	title => "Identify",
		2885	reply => undef,
		2886	tooltip => "Items recently identified",
		2887	},
		2888	"c/examine" => {
		2889	id => "infobox",
		2890	title => "Examine",
		2891	reply => undef,
		2892	tooltip => "Signs and other items you examined",
		2893	},
		2894	"c/shopinfo" => {
		2895	id => "infobox",
		2896	title => "Shop Info",
		2897	reply => undef,
		2898	tooltip => "What your bargaining skill tells you about the shop",
		2899	},
		2900	"c/book" => {
		2901	id => "infobox",
		2902	title => "Book",
		2903	reply => undef,
		2904	tooltip => "The contents of a note or book",
		2905	},
		2906	"c/lookat" => {
		2907	id => "infobox",
		2908	title => "Look",
		2909	reply => undef,
		2910	tooltip => "What you saw there",
		2911	},
		2912	"c/who" => {
		2913	id => "infobox",
		2914	title => "Players",
		2915	reply => undef,
		2916	tooltip => "Shows players who are currently online",
		2917	},
		2918	"c/body" => {
		2919	id => "infobox",
		2920	title => "Body Parts",
		2921	reply => undef,
		2922	tooltip => "Shows which body parts you posess and are available",
		2923	},
		2924	"c/statistics" => {
		2925	id => "infobox",
		2926	title => "Statistics",
		2927	reply => undef,
		2928	tooltip => "Shows your primary statistics",
		2929	},
		2930	"c/skills" => {
		2931	id => "infobox",
		2932	title => "Skills",
		2933	reply => undef,
		2934	tooltip => "Shows your experience per skill and item power",
		2935	},
		2936	"c/shopitems" => {
		2937	id => "infobox",
		2938	title => "Shop Items",
		2939	reply => undef,
		2940	tooltip => "Shows the items currently for sale in this shop",
		2941	},
		2942	"c/resistances" => {
		2943	id => "infobox",
		2944	title => "Resistances",
		2945	reply => undef,
		2946	tooltip => "Shows your resistances",
		2947	},
		2948	"c/pets" => {
		2949	id => "infobox",
		2950	title => "Pets",
		2951	reply => undef,
		2952	tooltip => "Shows information abotu your pets/a specific pet",
		2953	},
		2954	"c/perceiveself" => {
		2955	id => "infobox",
		2956	title => "Perceive Self",
		2957	reply => undef,
		2958	tooltip => "You gained detailed knowledge about yourself",
		2959	},
		2960	"c/uptime" => {
		2961	id => "infobox",
		2962	title => "Uptime",
		2963	reply => undef,
		2964	tooltip => "How long the server has been running since last restart",
		2965	},
		2966	"c/mapinfo" => {
		2967	id => "infobox",
		2968	title => "Map Info",
		2969	reply => undef,
		2970	tooltip => "Information related to the maps",
		2971	},
		2972	"c/party" => {
		2973	id => "party",
		2974	title => "Party",
		2975	reply => "gsay ",
		2976	tooltip => "Messages and chat related to your party",
		2977	},
		2978	"c/death" => {
		2979	id => "death",
		2980	title => "Death",
		2981	reply => undef,
		2982	tooltip => "Reason for and more info about your most recent death",
		2983	},
		2984	"c/say" => $SAY_CHANNEL,
		2985	"c/chat" => $CHAT_CHANNEL,
		2986	);
		2987
		2988	sub cf::client::send_msg {
		2989	my ($self, $channel, $msg, $color, @extra) = @_;
		2990
		2991	$msg = $self->pl->expand_cfpod ($msg)
		2992	unless $color & cf::NDI_VERBATIM;
		2993
		2994	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2995
		2996	# check predefined channels, for the benefit of C
		2997	if ($CHANNEL{$channel}) {
		2998	$channel = $CHANNEL{$channel};
		2999
		3000	$self->ext_msg (channel_info => $channel);
		3001	$channel = $channel->{id};
		3002
		3003	} elsif (ref $channel) {
		3004	# send meta info to client, if not yet sent
		3005	unless (exists $self->{channel}{$channel->{id}}) {
		3006	$self->{channel}{$channel->{id}} = $channel;
		3007	$self->ext_msg (channel_info => $channel);
		3008	}
		3009
		3010	$channel = $channel->{id};
		3011	}
		3012
		3013	return unless @extra || length $msg;
		3014
		3015	# default colour, mask it out
		3016	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3017	if $color & cf::NDI_DEF;
		3018
		3019	my $pkt = "msg "
		3020	. $self->{json_coder}->encode (
		3021	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3022	);
		3023
		3024	$self->send_big_packet ($pkt);
		3025	}
		3026
2089	=item $client->ext_event ($type, %msg)	3027	=item $client->ext_msg ($type, @msg)
2090		3028
2091	Sends an exti event to the client.	3029	Sends an ext event to the client.
2092		3030
2093	=cut	3031	=cut
2094		3032
2095	sub cf::client::ext_event($$%) {	3033	sub cf::client::ext_msg($$@) {
2096	my ($self, $type, %msg) = @_;	3034	my ($self, $type, @msg) = @_;
2097		3035
		3036	if ($self->extcmd == 2) {
		3037	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3038	} elsif ($self->extcmd == 1) { # TODO: remove
2098	$msg{msgtype} = "event_$type";	3039	push @msg, msgtype => "event_$type";
2099	$self->send_packet ("ext " . cf::to_json \%msg);	3040	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3041	}
		3042	}
		3043
		3044	=item $client->ext_reply ($msgid, @msg)
		3045
		3046	Sends an ext reply to the client.
		3047
		3048	=cut
		3049
		3050	sub cf::client::ext_reply($$@) {
		3051	my ($self, $id, @msg) = @_;
		3052
		3053	if ($self->extcmd == 2) {
		3054	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3055	} elsif ($self->extcmd == 1) {
		3056	#TODO: version 1, remove
		3057	unshift @msg, msgtype => "reply", msgid => $id;
		3058	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3059	}
2100	}	3060	}
2101		3061
2102	=item $success = $client->query ($flags, "text", \&cb)	3062	=item $success = $client->query ($flags, "text", \&cb)
2103		3063
2104	Queues a query to the client, calling the given callback with	3064	Queues a query to the client, calling the given callback with
2105	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3065	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2106	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3066	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2107		3067
2108	Queries can fail, so check the return code. Or don't, as queries will become	3068	Queries can fail, so check the return code. Or don't, as queries will
2109	reliable at some point in the future.	3069	become reliable at some point in the future.
2110		3070
2111	=cut	3071	=cut
2112		3072
2113	sub cf::client::query {	3073	sub cf::client::query {
2114	my ($self, $flags, $text, $cb) = @_;	3074	my ($self, $flags, $text, $cb) = @_;
…		…
2122	utf8::encode $text;	3082	utf8::encode $text;
2123	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3083	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2124		3084
2125	$self->send_packet ($self->{query_queue}[0][0])	3085	$self->send_packet ($self->{query_queue}[0][0])
2126	if @{ $self->{query_queue} } == 1;	3086	if @{ $self->{query_queue} } == 1;
		3087
		3088	1
2127	}	3089	}
2128		3090
2129	cf::client->attach (	3091	cf::client->attach (
		3092	on_connect => sub {
		3093	my ($ns) = @_;
		3094
		3095	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3096	},
2130	on_reply => sub {	3097	on_reply => sub {
2131	my ($ns, $msg) = @_;	3098	my ($ns, $msg) = @_;
2132		3099
2133	# this weird shuffling is so that direct followup queries	3100	# this weird shuffling is so that direct followup queries
2134	# get handled first	3101	# get handled first
…		…
2146	} else {	3113	} else {
2147	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3114	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2148	}	3115	}
2149	}	3116	}
2150	},	3117	},
		3118	on_exticmd => sub {
		3119	my ($ns, $buf) = @_;
		3120
		3121	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3122
		3123	if (ref $msg) {
		3124	my ($type, $reply, @payload) =
		3125	"ARRAY" eq ref $msg
		3126	? @$msg
		3127	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3128
		3129	my @reply;
		3130
		3131	if (my $cb = $EXTICMD{$type}) {
		3132	@reply = $cb->($ns, @payload);
		3133	}
		3134
		3135	$ns->ext_reply ($reply, @reply)
		3136	if $reply;
		3137
		3138	} else {
		3139	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3140	}
		3141
		3142	cf::override;
		3143	},
2151	);	3144	);
2152		3145
2153	=item $client->async (\&cb)	3146	=item $client->async (\&cb)
2154		3147
2155	Create a new coroutine, running the specified callback. The coroutine will	3148	Create a new coroutine, running the specified callback. The coroutine will
…		…
2171		3164
2172	$coro	3165	$coro
2173	}	3166	}
2174		3167
2175	cf::client->attach (	3168	cf::client->attach (
2176	on_destroy => sub {	3169	on_client_destroy => sub {
2177	my ($ns) = @_;	3170	my ($ns) = @_;
2178		3171
2179	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3172	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2180	},	3173	},
2181	);	3174	);
…		…
2196	our $safe = new Safe "safe";	3189	our $safe = new Safe "safe";
2197	our $safe_hole = new Safe::Hole;	3190	our $safe_hole = new Safe::Hole;
2198		3191
2199	$SIG{FPE} = 'IGNORE';	3192	$SIG{FPE} = 'IGNORE';
2200		3193
2201	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3194	$safe->permit_only (Opcode::opset qw(
		3195	:base_core :base_mem :base_orig :base_math :base_loop
		3196	grepstart grepwhile mapstart mapwhile
		3197	sort time
		3198	));
2202		3199
2203	# here we export the classes and methods available to script code	3200	# here we export the classes and methods available to script code
2204		3201
2205	=pod	3202	=pod
2206		3203
2207	The following functions and methods are available within a safe environment:	3204	The following functions and methods are available within a safe environment:
2208		3205
2209	cf::object contr pay_amount pay_player map	3206	cf::object
		3207	contr pay_amount pay_player map x y force_find force_add destroy
		3208	insert remove name archname title slaying race decrease split
		3209	value
		3210
2210	cf::object::player player	3211	cf::object::player
2211	cf::player peaceful	3212	player
2212	cf::map trigger	3213
		3214	cf::player
		3215	peaceful
		3216
		3217	cf::map
		3218	trigger
2213		3219
2214	=cut	3220	=cut
2215		3221
2216	for (	3222	for (
2217	["cf::object" => qw(contr pay_amount pay_player map)],	3223	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3224	insert remove inv nrof name archname title slaying race
		3225	decrease split destroy change_exp value msg lore send_msg)],
2218	["cf::object::player" => qw(player)],	3226	["cf::object::player" => qw(player)],
2219	["cf::player" => qw(peaceful)],	3227	["cf::player" => qw(peaceful send_msg)],
2220	["cf::map" => qw(trigger)],	3228	["cf::map" => qw(trigger)],
2221	) {	3229	) {
2222	no strict 'refs';	3230	no strict 'refs';
2223	my ($pkg, @funs) = @$_;	3231	my ($pkg, @funs) = @$_;
2224	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3232	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2242		3250
2243	my $qcode = $code;	3251	my $qcode = $code;
2244	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3252	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2245	$qcode =~ s/\n/\\n/g;	3253	$qcode =~ s/\n/\\n/g;
2246		3254
		3255	%vars = (_dummy => 0) unless %vars;
		3256
		3257	my @res;
2247	local $_;	3258	local $_;
2248	local @safe::cf::_safe_eval_args = values %vars;
2249		3259
2250	my $eval =	3260	my $eval =
2251	"do {\n"	3261	"do {\n"
2252	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3262	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2253	. "#line 0 \"{$qcode}\"\n"	3263	. "#line 0 \"{$qcode}\"\n"
2254	. $code	3264	. $code
2255	. "\n}"	3265	. "\n}"
2256	;	3266	;
2257		3267
		3268	if ($CFG{safe_eval}) {
2258	sub_generation_inc;	3269	sub_generation_inc;
		3270	local @safe::cf::_safe_eval_args = values %vars;
2259	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3271	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2260	sub_generation_inc;	3272	sub_generation_inc;
		3273	} else {
		3274	local @cf::_safe_eval_args = values %vars;
		3275	@res = wantarray ? eval eval : scalar eval $eval;
		3276	}
2261		3277
2262	if ($@) {	3278	if ($@) {
2263	warn "$@";	3279	warn "$@";
2264	warn "while executing safe code '$code'\n";	3280	warn "while executing safe code '$code'\n";
2265	warn "with arguments " . (join " ", %vars) . "\n";	3281	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2284	=cut	3300	=cut
2285		3301
2286	sub register_script_function {	3302	sub register_script_function {
2287	my ($fun, $cb) = @_;	3303	my ($fun, $cb) = @_;
2288		3304
2289	no strict 'refs';	3305	$fun = "safe::$fun" if $CFG{safe_eval};
2290	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3306	*$fun = $safe_hole->wrap ($cb);
2291	}	3307	}
2292		3308
2293	=back	3309	=back
2294		3310
2295	=cut	3311	=cut
2296
2297	#############################################################################
2298
2299	=head2 EXTENSION DATABASE SUPPORT
2300
2301	Crossfire maintains a very simple database for extension use. It can
2302	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2303	convert to/from binary).
2304
2305	The parameter C<$family> should best start with the name of the extension
2306	using it, it should be unique.
2307
2308	=over 4
2309
2310	=item $value = cf::db_get $family => $key
2311
2312	Returns a single value from the database.
2313
2314	=item cf::db_put $family => $key => $value
2315
2316	Stores the given C<$value> in the family.
2317
2318	=cut
2319
2320	our $DB;
2321
2322	sub db_init {
2323	unless ($DB) {
2324	$DB = BDB::db_create $DB_ENV;
2325
2326	cf::sync_job {
2327	eval {
2328	$DB->set_flags (BDB::CHKSUM);
2329
2330	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2331	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2332	cf::cleanup "db_open(db): $!" if $!;
2333	};
2334	cf::cleanup "db_open(db): $@" if $@;
2335	};
2336	}
2337	}
2338
2339	sub db_get($$) {
2340	my $key = "$_[0]/$_[1]";
2341
2342	cf::sync_job {
2343	BDB::db_get $DB, undef, $key, my $data;
2344
2345	$! ? ()
2346	: $data
2347	}
2348	}
2349
2350	sub db_put($$$) {
2351	BDB::dbreq_pri 4;
2352	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2353	}
2354
2355	=item cf::cache $id => [$paths...], $processversion => $process
2356
2357	Generic caching function that returns the value of the resource $id,
2358	caching and regenerating as required.
2359
2360	This function can block.
2361
2362	=cut
2363
2364	sub cache {
2365	my ($id, $src, $processversion, $process) = @_;
2366
2367	my $meta =
2368	join "\x00",
2369	$processversion,
2370	map {
2371	aio_stat $_
2372	and Carp::croak "$_: $!";
2373
2374	($_, (stat _)[7,9])
2375	} @$src;
2376
2377	my $dbmeta = db_get cache => "$id/meta";
2378	if ($dbmeta ne $meta) {
2379	# changed, we may need to process
2380
2381	my @data;
2382	my $md5;
2383
2384	for (0 .. $#$src) {
2385	0 <= aio_load $src->[$_], $data[$_]
2386	or Carp::croak "$src->[$_]: $!";
2387	}
2388
2389	# if processing is expensive, check
2390	# checksum first
2391	if (1) {
2392	$md5 =
2393	join "\x00",
2394	$processversion,
2395	map {
2396	Coro::cede;
2397	($src->[$_], Digest::MD5::md5_hex $data[$_])
2398	} 0.. $#$src;
2399
2400
2401	my $dbmd5 = db_get cache => "$id/md5";
2402	if ($dbmd5 eq $md5) {
2403	db_put cache => "$id/meta", $meta;
2404
2405	return db_get cache => "$id/data";
2406	}
2407	}
2408
2409	my $t1 = Time::HiRes::time;
2410	my $data = $process->(\@data);
2411	my $t2 = Time::HiRes::time;
2412
2413	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2414
2415	db_put cache => "$id/data", $data;
2416	db_put cache => "$id/md5" , $md5;
2417	db_put cache => "$id/meta", $meta;
2418
2419	return $data;
2420	}
2421
2422	db_get cache => "$id/data"
2423	}
2424
2425	=item fork_call { }, $args
2426
2427	Executes the given code block with the given arguments in a seperate
2428	process, returning the results. Everything must be serialisable with
2429	Coro::Storable. May, of course, block. Note that the executed sub may
2430	never block itself or use any form of Event handling.
2431
2432	=cut
2433
2434	sub fork_call(&@) {
2435	my ($cb, @args) = @_;
2436
2437	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2438	# or die "socketpair: $!";
2439	pipe my $fh1, my $fh2
2440	or die "pipe: $!";
2441
2442	if (my $pid = fork) {
2443	close $fh2;
2444
2445	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2446	$res = Coro::Storable::thaw $res;
2447
2448	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2449
2450	die $$res unless "ARRAY" eq ref $res;
2451
2452	return wantarray ? @$res : $res->[-1];
2453	} else {
2454	reset_signals;
2455	local $SIG{__WARN__};
2456	local $SIG{__DIE__};
2457	eval {
2458	close $fh1;
2459
2460	my @res = eval { $cb->(@args) };
2461	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2462	};
2463
2464	warn $@ if $@;
2465	_exit 0;
2466	}
2467	}
2468
2469
2470		3312
2471	#############################################################################	3313	#############################################################################
2472	# the server's init and main functions	3314	# the server's init and main functions
2473		3315
2474	sub load_facedata($) {	3316	sub load_facedata($) {
2475	my ($path) = @_;	3317	my ($path) = @_;
		3318
		3319	# HACK to clear player env face cache, we need some signal framework
		3320	# for this (global event?)
		3321	%ext::player_env::MUSIC_FACE_CACHE = ();
		3322
		3323	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2476		3324
2477	warn "loading facedata from $path\n";	3325	warn "loading facedata from $path\n";
2478		3326
2479	my $facedata;	3327	my $facedata;
2480	0 < aio_load $path, $facedata	3328	0 < aio_load $path, $facedata
…		…
2483	$facedata = Coro::Storable::thaw $facedata;	3331	$facedata = Coro::Storable::thaw $facedata;
2484		3332
2485	$facedata->{version} == 2	3333	$facedata->{version} == 2
2486	or cf::cleanup "$path: version mismatch, cannot proceed.";	3334	or cf::cleanup "$path: version mismatch, cannot proceed.";
2487		3335
		3336	# patch in the exptable
		3337	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3338	$facedata->{resource}{"res/exp_table"} = {
		3339	type => FT_RSRC,
		3340	data => $exp_table,
		3341	hash => (Digest::MD5::md5 $exp_table),
		3342	};
		3343	cf::cede_to_tick;
		3344
2488	{	3345	{
2489	my $faces = $facedata->{faceinfo};	3346	my $faces = $facedata->{faceinfo};
2490		3347
2491	while (my ($face, $info) = each %$faces) {	3348	while (my ($face, $info) = each %$faces) {
2492	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3349	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3350
2493	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3351	cf::face::set_visibility $idx, $info->{visibility};
		3352	cf::face::set_magicmap $idx, $info->{magicmap};
2494	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3353	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2495	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3354	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2496	Coro::cede;	3355
		3356	cf::cede_to_tick;
2497	}	3357	}
2498		3358
2499	while (my ($face, $info) = each %$faces) {	3359	while (my ($face, $info) = each %$faces) {
2500	next unless $info->{smooth};	3360	next unless $info->{smooth};
		3361
2501	my $idx = cf::face::find $face	3362	my $idx = cf::face::find $face
2502	or next;	3363	or next;
		3364
2503	if (my $smooth = cf::face::find $info->{smooth}) {	3365	if (my $smooth = cf::face::find $info->{smooth}) {
		3366	cf::face::set_smooth $idx, $smooth;
2504	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3367	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2505	} else {	3368	} else {
2506	warn "smooth face '$info->{smooth}' not found for face '$face'";	3369	warn "smooth face '$info->{smooth}' not found for face '$face'";
2507	}	3370	}
2508	Coro::cede;	3371
		3372	cf::cede_to_tick;
2509	}	3373	}
2510	}	3374	}
2511		3375
2512	{	3376	{
2513	my $anims = $facedata->{animinfo};	3377	my $anims = $facedata->{animinfo};
2514		3378
2515	while (my ($anim, $info) = each %$anims) {	3379	while (my ($anim, $info) = each %$anims) {
2516	cf::anim::set $anim, $info->{frames}, $info->{facings};	3380	cf::anim::set $anim, $info->{frames}, $info->{facings};
2517	Coro::cede;	3381	cf::cede_to_tick;
2518	}	3382	}
2519		3383
2520	cf::anim::invalidate_all; # d'oh	3384	cf::anim::invalidate_all; # d'oh
2521	}	3385	}
2522		3386
		3387	{
		3388	my $res = $facedata->{resource};
		3389
		3390	while (my ($name, $info) = each %$res) {
		3391	if (defined $info->{type}) {
		3392	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3393
		3394	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3395	cf::face::set_type $idx, $info->{type};
		3396	} else {
		3397	$RESOURCE{$name} = $info;
		3398	}
		3399
		3400	cf::cede_to_tick;
		3401	}
		3402	}
		3403
		3404	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3405
2523	1	3406	1
2524	}	3407	}
2525		3408
		3409	cf::global->attach (on_resource_update => sub {
		3410	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3411	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3412
		3413	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3414	my $sound = $soundconf->{compat}[$_]
		3415	or next;
		3416
		3417	my $face = cf::face::find "sound/$sound->[1]";
		3418	cf::sound::set $sound->[0] => $face;
		3419	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3420	}
		3421
		3422	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3423	my $face = cf::face::find "sound/$v";
		3424	cf::sound::set $k => $face;
		3425	}
		3426	}
		3427	});
		3428
		3429	register_exticmd fx_want => sub {
		3430	my ($ns, $want) = @_;
		3431
		3432	while (my ($k, $v) = each %$want) {
		3433	$ns->fx_want ($k, $v);
		3434	}
		3435	};
		3436
		3437	sub load_resource_file($) {
		3438	my $guard = lock_acquire "load_resource_file";
		3439
		3440	my $status = load_resource_file_ $_[0];
		3441	get_slot 0.1, 100;
		3442	cf::arch::commit_load;
		3443
		3444	$status
		3445	}
		3446
2526	sub reload_regions {	3447	sub reload_regions {
		3448	# HACK to clear player env face cache, we need some signal framework
		3449	# for this (global event?)
		3450	%ext::player_env::MUSIC_FACE_CACHE = ();
		3451
2527	load_resource_file "$MAPDIR/regions"	3452	load_resource_file "$MAPDIR/regions"
2528	or die "unable to load regions file\n";	3453	or die "unable to load regions file\n";
		3454
		3455	for (cf::region::list) {
		3456	$_->{match} = qr/$_->{match}/
		3457	if exists $_->{match};
		3458	}
2529	}	3459	}
2530		3460
2531	sub reload_facedata {	3461	sub reload_facedata {
2532	load_facedata "$DATADIR/facedata"	3462	load_facedata "$DATADIR/facedata"
2533	or die "unable to load facedata\n";	3463	or die "unable to load facedata\n";
…		…
2544	}	3474	}
2545		3475
2546	sub reload_resources {	3476	sub reload_resources {
2547	warn "reloading resource files...\n";	3477	warn "reloading resource files...\n";
2548		3478
2549	reload_regions;
2550	reload_facedata;	3479	reload_facedata;
2551	reload_archetypes;	3480	reload_archetypes;
		3481	reload_regions;
2552	reload_treasures;	3482	reload_treasures;
2553		3483
2554	warn "finished reloading resource files\n";	3484	warn "finished reloading resource files\n";
2555	}	3485	}
2556		3486
2557	sub init {	3487	sub reload_config {
2558	reload_resources;	3488	warn "reloading config file...\n";
2559	}
2560		3489
2561	sub cfg_load {
2562	open my $fh, "<:utf8", "$CONFDIR/config"	3490	open my $fh, "<:utf8", "$CONFDIR/config"
2563	or return;	3491	or return;
2564		3492
2565	local $/;	3493	local $/;
2566	*CFG = YAML::Syck::Load <$fh>;	3494	*CFG = YAML::XS::Load scalar <$fh>;
2567		3495
2568	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3496	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2569		3497
2570	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3498	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2571	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3499	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2575	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3503	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2576	and die "WARNING: m(un)lockall failed: $!\n";	3504	and die "WARNING: m(un)lockall failed: $!\n";
2577	};	3505	};
2578	warn $@ if $@;	3506	warn $@ if $@;
2579	}	3507	}
		3508
		3509	warn "finished reloading resource files\n";
		3510	}
		3511
		3512	sub pidfile() {
		3513	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3514	or die "$PIDFILE: $!";
		3515	flock $fh, &Fcntl::LOCK_EX
		3516	or die "$PIDFILE: flock: $!";
		3517	$fh
		3518	}
		3519
		3520	# make sure only one server instance is running at any one time
		3521	sub atomic {
		3522	my $fh = pidfile;
		3523
		3524	my $pid = <$fh>;
		3525	kill 9, $pid if $pid > 0;
		3526
		3527	seek $fh, 0, 0;
		3528	print $fh $$;
		3529	}
		3530
		3531	sub main_loop {
		3532	warn "EV::loop starting\n";
		3533	if (1) {
		3534	EV::loop;
		3535	}
		3536	warn "EV::loop returned\n";
		3537	goto &main_loop unless $REALLY_UNLOOP;
2580	}	3538	}
2581		3539
2582	sub main {	3540	sub main {
		3541	cf::init_globals; # initialise logging
		3542
		3543	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3544	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3545	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3546	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3547
		3548	cf::init_experience;
		3549	cf::init_anim;
		3550	cf::init_attackmess;
		3551	cf::init_dynamic;
		3552
		3553	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3554
2583	# we must not ever block the main coroutine	3555	# we must not ever block the main coroutine
2584	local $Coro::idle = sub {	3556	local $Coro::idle = sub {
2585	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3557	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2586	(async {	3558	(async {
2587	Event::one_event;	3559	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3560	EV::loop EV::LOOP_ONESHOT;
2588	})->prio (Coro::PRIO_MAX);	3561	})->prio (Coro::PRIO_MAX);
2589	};	3562	};
2590		3563
2591	cfg_load;	3564	evthread_start IO::AIO::poll_fileno;
		3565
		3566	cf::sync_job {
		3567	cf::load_settings;
		3568	cf::load_materials;
		3569
		3570	reload_resources;
		3571	reload_config;
2592	db_init;	3572	db_init;
		3573
		3574	cf::init_uuid;
		3575	cf::init_signals;
		3576	cf::init_skills;
		3577
		3578	cf::init_beforeplay;
		3579
		3580	atomic;
		3581
2593	load_extensions;	3582	load_extensions;
2594		3583
2595	$TICK_WATCHER->start;	3584	utime time, time, $RUNTIMEFILE;
2596	Event::loop;	3585
		3586	# no (long-running) fork's whatsoever before this point(!)
		3587	use POSIX ();
		3588	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3589
		3590	(pop @POST_INIT)->(0) while @POST_INIT;
		3591	};
		3592
		3593	main_loop;
2597	}	3594	}
2598		3595
2599	#############################################################################	3596	#############################################################################
2600	# initialisation and cleanup	3597	# initialisation and cleanup
2601		3598
2602	# install some emergency cleanup handlers	3599	# install some emergency cleanup handlers
2603	BEGIN {	3600	BEGIN {
		3601	our %SIGWATCHER = ();
2604	for my $signal (qw(INT HUP TERM)) {	3602	for my $signal (qw(INT HUP TERM)) {
2605	Event->signal (	3603	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2606	reentrant => 0,
2607	data => WF_AUTOCANCEL,
2608	signal => $signal,
2609	prio => 0,
2610	cb => sub {
2611	cf::cleanup "SIG$signal";	3604	cf::cleanup "SIG$signal";
2612	},
2613	);	3605	};
		3606	}
		3607	}
		3608
		3609	sub write_runtime_sync {
		3610	my $t0 = AE::time;
		3611
		3612	# first touch the runtime file to show we are still running:
		3613	# the fsync below can take a very very long time.
		3614
		3615	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3616
		3617	my $guard = cf::lock_acquire "write_runtime";
		3618
		3619	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3620	or return;
		3621
		3622	my $value = $cf::RUNTIME + 90 + 10;
		3623	# 10 is the runtime save interval, for a monotonic clock
		3624	# 60 allows for the watchdog to kill the server.
		3625
		3626	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3627	and return;
		3628
		3629	# always fsync - this file is important
		3630	aio_fsync $fh
		3631	and return;
		3632
		3633	# touch it again to show we are up-to-date
		3634	aio_utime $fh, undef, undef;
		3635
		3636	close $fh
		3637	or return;
		3638
		3639	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3640	and return;
		3641
		3642	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3643
2614	}	3644	1
		3645	}
		3646
		3647	our $uuid_lock;
		3648	our $uuid_skip;
		3649
		3650	sub write_uuid_sync($) {
		3651	$uuid_skip ||= $_[0];
		3652
		3653	return if $uuid_lock;
		3654	local $uuid_lock = 1;
		3655
		3656	my $uuid = "$LOCALDIR/uuid";
		3657
		3658	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3659	or return;
		3660
		3661	my $value = uuid_seq uuid_cur;
		3662
		3663	unless ($value) {
		3664	warn "cowardly refusing to write zero uuid value!\n";
		3665	return;
		3666	}
		3667
		3668	my $value = uuid_str $value + $uuid_skip;
		3669	$uuid_skip = 0;
		3670
		3671	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3672	and return;
		3673
		3674	# always fsync - this file is important
		3675	aio_fsync $fh
		3676	and return;
		3677
		3678	close $fh
		3679	or return;
		3680
		3681	aio_rename "$uuid~", $uuid
		3682	and return;
		3683
		3684	warn "uuid file written ($value).\n";
		3685
		3686	1
		3687
		3688	}
		3689
		3690	sub write_uuid($$) {
		3691	my ($skip, $sync) = @_;
		3692
		3693	$sync ? write_uuid_sync $skip
		3694	: async { write_uuid_sync $skip };
2615	}	3695	}
2616		3696
2617	sub emergency_save() {	3697	sub emergency_save() {
2618	my $freeze_guard = cf::freeze_mainloop;	3698	my $freeze_guard = cf::freeze_mainloop;
2619		3699
2620	warn "enter emergency perl save\n";	3700	warn "emergency_perl_save: enter\n";
2621		3701
2622	cf::sync_job {	3702	cf::sync_job {
		3703	# this is a trade-off: we want to be very quick here, so
		3704	# save all maps without fsync, and later call a global sync
		3705	# (which in turn might be very very slow)
		3706	local $USE_FSYNC = 0;
		3707
2623	# use a peculiar iteration method to avoid tripping on perl	3708	# use a peculiar iteration method to avoid tripping on perl
2624	# refcount bugs in for. also avoids problems with players	3709	# refcount bugs in for. also avoids problems with players
2625	# and maps saved/destroyed asynchronously.	3710	# and maps saved/destroyed asynchronously.
2626	warn "begin emergency player save\n";	3711	warn "emergency_perl_save: begin player save\n";
2627	for my $login (keys %cf::PLAYER) {	3712	for my $login (keys %cf::PLAYER) {
2628	my $pl = $cf::PLAYER{$login} or next;	3713	my $pl = $cf::PLAYER{$login} or next;
2629	$pl->valid or next;	3714	$pl->valid or next;
		3715	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2630	$pl->save;	3716	$pl->save;
2631	}	3717	}
2632	warn "end emergency player save\n";	3718	warn "emergency_perl_save: end player save\n";
2633		3719
2634	warn "begin emergency map save\n";	3720	warn "emergency_perl_save: begin map save\n";
2635	for my $path (keys %cf::MAP) {	3721	for my $path (keys %cf::MAP) {
2636	my $map = $cf::MAP{$path} or next;	3722	my $map = $cf::MAP{$path} or next;
2637	$map->valid or next;	3723	$map->valid or next;
2638	$map->save;	3724	$map->save;
2639	}	3725	}
2640	warn "end emergency map save\n";	3726	warn "emergency_perl_save: end map save\n";
2641		3727
2642	warn "begin emergency database checkpoint\n";	3728	warn "emergency_perl_save: begin database checkpoint\n";
2643	BDB::db_env_txn_checkpoint $DB_ENV;	3729	BDB::db_env_txn_checkpoint $DB_ENV;
2644	warn "end emergency database checkpoint\n";	3730	warn "emergency_perl_save: end database checkpoint\n";
		3731
		3732	warn "emergency_perl_save: begin write uuid\n";
		3733	write_uuid_sync 1;
		3734	warn "emergency_perl_save: end write uuid\n";
2645	};	3735	};
2646		3736
		3737	warn "emergency_perl_save: starting sync()\n";
		3738	IO::AIO::aio_sync sub {
		3739	warn "emergency_perl_save: finished sync()\n";
		3740	};
		3741
2647	warn "leave emergency perl save\n";	3742	warn "emergency_perl_save: leave\n";
2648	}	3743	}
2649		3744
2650	sub post_cleanup {	3745	sub post_cleanup {
2651	my ($make_core) = @_;	3746	my ($make_core) = @_;
2652		3747
2653	warn Carp::longmess "post_cleanup backtrace"	3748	warn Carp::longmess "post_cleanup backtrace"
2654	if $make_core;	3749	if $make_core;
		3750
		3751	my $fh = pidfile;
		3752	unlink $PIDFILE if <$fh> == $$;
		3753	}
		3754
		3755	# a safer delete_package, copied from Symbol
		3756	sub clear_package($) {
		3757	my $pkg = shift;
		3758
		3759	# expand to full symbol table name if needed
		3760	unless ($pkg =~ /^main::.*::$/) {
		3761	$pkg = "main$pkg" if $pkg =~ /^::/;
		3762	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3763	$pkg .= '::' unless $pkg =~ /::$/;
		3764	}
		3765
		3766	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3767	my $stem_symtab = *{$stem}{HASH};
		3768
		3769	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3770	or return;
		3771
		3772	# clear all symbols
		3773	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3774	for my $name (keys %$leaf_symtab) {
		3775	_gv_clear *{"$pkg$name"};
		3776	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3777	}
		3778	warn "cleared package $pkg\n";#d#
2655	}	3779	}
2656		3780
2657	sub do_reload_perl() {	3781	sub do_reload_perl() {
2658	# can/must only be called in main	3782	# can/must only be called in main
2659	if ($Coro::current != $Coro::main) {	3783	if ($Coro::current != $Coro::main) {
2660	warn "can only reload from main coroutine";	3784	warn "can only reload from main coroutine";
2661	return;	3785	return;
2662	}	3786	}
2663		3787
		3788	return if $RELOAD++;
		3789
		3790	my $t1 = AE::time;
		3791
		3792	while ($RELOAD) {
2664	warn "reloading...";	3793	warn "reloading...";
2665		3794
2666	warn "entering sync_job";	3795	warn "entering sync_job";
2667		3796
2668	cf::sync_job {	3797	cf::sync_job {
2669	cf::write_runtime; # external watchdog should not bark	3798	cf::write_runtime_sync; # external watchdog should not bark
2670	cf::emergency_save;	3799	cf::emergency_save;
2671	cf::write_runtime; # external watchdog should not bark	3800	cf::write_runtime_sync; # external watchdog should not bark
2672		3801
2673	warn "syncing database to disk";	3802	warn "syncing database to disk";
2674	BDB::db_env_txn_checkpoint $DB_ENV;	3803	BDB::db_env_txn_checkpoint $DB_ENV;
2675		3804
2676	# if anything goes wrong in here, we should simply crash as we already saved	3805	# if anything goes wrong in here, we should simply crash as we already saved
2677		3806
2678	warn "cancelling all WF_AUTOCANCEL watchers";
2679	for (Event::all_watchers) {
2680	$_->cancel if $_->data & WF_AUTOCANCEL;
2681	}
2682
2683	warn "flushing outstanding aio requests";	3807	warn "flushing outstanding aio requests";
2684	for (;;) {
2685	BDB::flush;
2686	IO::AIO::flush;
2687	Coro::cede;
2688	last unless IO::AIO::nreqs || BDB::nreqs;	3808	while (IO::AIO::nreqs || BDB::nreqs) {
2689	warn "iterate...";	3809	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2690	}
2691
2692	++$RELOAD;
2693
2694	warn "cancelling all extension coros";
2695	$_->cancel for values %EXT_CORO;
2696	%EXT_CORO = ();
2697
2698	warn "removing commands";
2699	%COMMAND = ();
2700
2701	warn "removing ext commands";
2702	%EXTCMD = ();
2703
2704	warn "unloading/nuking all extensions";
2705	for my $pkg (@EXTS) {
2706	warn "... unloading $pkg";
2707
2708	if (my $cb = $pkg->can ("unload")) {
2709	eval {
2710	$cb->($pkg);
2711	1
2712	} or warn "$pkg unloaded, but with errors: $@";
2713	}	3810	}
2714		3811
2715	warn "... nuking $pkg";	3812	warn "cancelling all extension coros";
2716	Symbol::delete_package $pkg;	3813	$_->cancel for values %EXT_CORO;
2717	}	3814	%EXT_CORO = ();
2718		3815
2719	warn "unloading all perl modules loaded from $LIBDIR";	3816	warn "removing commands";
2720	while (my ($k, $v) = each %INC) {	3817	%COMMAND = ();
2721	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2722		3818
		3819	warn "removing ext/exti commands";
		3820	%EXTCMD = ();
		3821	%EXTICMD = ();
		3822
		3823	warn "unloading/nuking all extensions";
		3824	for my $pkg (@EXTS) {
2723	warn "... unloading $k";	3825	warn "... unloading $pkg";
2724	delete $INC{$k};
2725		3826
2726	$k =~ s/\.pm$//;
2727	$k =~ s/\//::/g;
2728
2729	if (my $cb = $k->can ("unload_module")) {	3827	if (my $cb = $pkg->can ("unload")) {
		3828	eval {
2730	$cb->();	3829	$cb->($pkg);
		3830	1
		3831	} or warn "$pkg unloaded, but with errors: $@";
		3832	}
		3833
		3834	warn "... clearing $pkg";
		3835	clear_package $pkg;
2731	}	3836	}
2732		3837
2733	Symbol::delete_package $k;	3838	warn "unloading all perl modules loaded from $LIBDIR";
		3839	while (my ($k, $v) = each %INC) {
		3840	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3841
		3842	warn "... unloading $k";
		3843	delete $INC{$k};
		3844
		3845	$k =~ s/\.pm$//;
		3846	$k =~ s/\//::/g;
		3847
		3848	if (my $cb = $k->can ("unload_module")) {
		3849	$cb->();
		3850	}
		3851
		3852	clear_package $k;
2734	}	3853	}
2735		3854
2736	warn "getting rid of safe::, as good as possible";	3855	warn "getting rid of safe::, as good as possible";
2737	Symbol::delete_package "safe::$_"	3856	clear_package "safe::$_"
2738	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3857	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2739		3858
2740	warn "unloading cf.pm \"a bit\"";	3859	warn "unloading cf.pm \"a bit\"";
2741	delete $INC{"cf.pm"};	3860	delete $INC{"cf.pm"};
2742	delete $INC{"cf/pod.pm"};	3861	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2743		3862
2744	# don't, removes xs symbols, too,	3863	# don't, removes xs symbols, too,
2745	# and global variables created in xs	3864	# and global variables created in xs
2746	#Symbol::delete_package __PACKAGE__;	3865	#clear_package __PACKAGE__;
2747		3866
2748	warn "unload completed, starting to reload now";	3867	warn "unload completed, starting to reload now";
2749		3868
2750	warn "reloading cf.pm";	3869	warn "reloading cf.pm";
2751	require cf;	3870	require cf;
2752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3871	cf::_connect_to_perl_1;
2753		3872
2754	warn "loading config and database again";	3873	warn "loading config and database again";
2755	cf::cfg_load;	3874	cf::reload_config;
2756		3875
2757	warn "loading extensions";	3876	warn "loading extensions";
2758	cf::load_extensions;	3877	cf::load_extensions;
2759		3878
		3879	if ($REATTACH_ON_RELOAD) {
2760	warn "reattaching attachments to objects/players";	3880	warn "reattaching attachments to objects/players";
2761	_global_reattach; # objects, sockets	3881	_global_reattach; # objects, sockets
2762	warn "reattaching attachments to maps";	3882	warn "reattaching attachments to maps";
2763	reattach $_ for values %MAP;	3883	reattach $_ for values %MAP;
2764	warn "reattaching attachments to players";	3884	warn "reattaching attachments to players";
2765	reattach $_ for values %PLAYER;	3885	reattach $_ for values %PLAYER;
		3886	}
2766		3887
		3888	warn "running post_init jobs";
		3889	(pop @POST_INIT)->(1) while @POST_INIT;
		3890
2767	warn "leaving sync_job";	3891	warn "leaving sync_job";
2768		3892
2769	1	3893	1
2770	} or do {	3894	} or do {
2771	warn $@;	3895	warn $@;
2772	warn "error while reloading, exiting.";	3896	cf::cleanup "error while reloading, exiting.";
2773	exit 1;
2774	};	3897	};
2775		3898
2776	warn "reloaded";	3899	warn "reloaded";
		3900	--$RELOAD;
		3901	}
		3902
		3903	$t1 = AE::time - $t1;
		3904	warn "reload completed in ${t1}s\n";
2777	};	3905	};
2778		3906
2779	our $RELOAD_WATCHER; # used only during reload	3907	our $RELOAD_WATCHER; # used only during reload
2780		3908
2781	sub reload_perl() {	3909	sub reload_perl() {
2782	# doing reload synchronously and two reloads happen back-to-back,	3910	# doing reload synchronously and two reloads happen back-to-back,
2783	# coro crashes during coro_state_free->destroy here.	3911	# coro crashes during coro_state_free->destroy here.
2784		3912
2785	$RELOAD_WATCHER ||= Event->timer (	3913	$RELOAD_WATCHER ||= cf::async {
2786	reentrant => 0,	3914	Coro::AIO::aio_wait cache_extensions;
2787	after => 0,	3915
2788	data => WF_AUTOCANCEL,	3916	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2789	cb => sub {
2790	do_reload_perl;	3917	do_reload_perl;
2791	undef $RELOAD_WATCHER;	3918	undef $RELOAD_WATCHER;
2792	},	3919	};
2793	);	3920	};
2794	}	3921	}
2795		3922
2796	register_command "reload" => sub {	3923	register_command "reload" => sub {
2797	my ($who, $arg) = @_;	3924	my ($who, $arg) = @_;
2798		3925
2799	if ($who->flag (FLAG_WIZ)) {	3926	if ($who->flag (FLAG_WIZ)) {
2800	$who->message ("reloading server.");	3927	$who->message ("reloading server.");
		3928	async {
		3929	$Coro::current->{desc} = "perl_reload";
2801	async { reload_perl };	3930	reload_perl;
		3931	};
2802	}	3932	}
2803	};	3933	};
2804		3934
2805	unshift @INC, $LIBDIR;	3935	unshift @INC, $LIBDIR;
2806		3936
…		…
2808		3938
2809	our @WAIT_FOR_TICK;	3939	our @WAIT_FOR_TICK;
2810	our @WAIT_FOR_TICK_BEGIN;	3940	our @WAIT_FOR_TICK_BEGIN;
2811		3941
2812	sub wait_for_tick {	3942	sub wait_for_tick {
2813	return unless $TICK_WATCHER->is_active;
2814	return if $Coro::current == $Coro::main;	3943	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2815		3944
2816	my $signal = new Coro::Signal;	3945	my $signal = new Coro::Signal;
2817	push @WAIT_FOR_TICK, $signal;	3946	push @WAIT_FOR_TICK, $signal;
2818	$signal->wait;	3947	$signal->wait;
2819	}	3948	}
2820		3949
2821	sub wait_for_tick_begin {	3950	sub wait_for_tick_begin {
2822	return unless $TICK_WATCHER->is_active;
2823	return if $Coro::current == $Coro::main;	3951	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2824		3952
2825	my $signal = new Coro::Signal;	3953	my $signal = new Coro::Signal;
2826	push @WAIT_FOR_TICK_BEGIN, $signal;	3954	push @WAIT_FOR_TICK_BEGIN, $signal;
2827	$signal->wait;	3955	$signal->wait;
2828	}	3956	}
2829		3957
2830	$TICK_WATCHER = Event->timer (	3958	sub tick {
2831	reentrant => 0,
2832	parked => 1,
2833	prio => 0,
2834	at => $NEXT_TICK || $TICK,
2835	data => WF_AUTOCANCEL,
2836	cb => sub {
2837	if ($Coro::current != $Coro::main) {	3959	if ($Coro::current != $Coro::main) {
2838	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3960	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2839	unless ++$bug_warning > 10;	3961	unless ++$bug_warning > 10;
2840	return;	3962	return;
2841	}	3963	}
2842		3964
2843	$NOW = Event::time;
2844
2845	cf::server_tick; # one server iteration	3965	cf::server_tick; # one server iteration
2846		3966
2847	$RUNTIME += $TICK;	3967	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2848	$NEXT_TICK += $TICK;
2849		3968
2850	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3969	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2851	$NEXT_RUNTIME_WRITE = $NOW + 10;	3970	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2852	Coro::async_pool {	3971	Coro::async_pool {
		3972	$Coro::current->{desc} = "runtime saver";
2853	write_runtime	3973	write_runtime_sync
2854	or warn "ERROR: unable to write runtime file: $!";	3974	or warn "ERROR: unable to write runtime file: $!";
2855	};
2856	}	3975	};
		3976	}
2857		3977
2858	# my $AFTER = Event::time;
2859	# warn $AFTER - $NOW;#d#
2860
2861	# if we are delayed by four ticks or more, skip them all
2862	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2863
2864	$TICK_WATCHER->at ($NEXT_TICK);
2865	$TICK_WATCHER->start;
2866
2867	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3978	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2868	$sig->send;	3979	$sig->send;
2869	}	3980	}
2870	while (my $sig = shift @WAIT_FOR_TICK) {	3981	while (my $sig = shift @WAIT_FOR_TICK) {
2871	$sig->send;	3982	$sig->send;
2872	}
2873
2874	_post_tick;
2875	},	3983	}
2876	);	3984
		3985	$LOAD = ($NOW - $TICK_START) / $TICK;
		3986	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3987
		3988	if (0) {
		3989	if ($NEXT_TICK) {
		3990	my $jitter = $TICK_START - $NEXT_TICK;
		3991	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3992	warn "jitter $JITTER\n";#d#
		3993	}
		3994	}
		3995	}
2877		3996
2878	{	3997	{
2879	BDB::max_poll_time $TICK * 0.1;	3998	# configure BDB
2880	$BDB_POLL_WATCHER = Event->io (	3999
2881	reentrant => 0,
2882	fd => BDB::poll_fileno,
2883	poll => 'r',
2884	prio => 0,
2885	data => WF_AUTOCANCEL,
2886	cb => \&BDB::poll_cb,
2887	);
2888	BDB::min_parallel 8;	4000	BDB::min_parallel 16;
2889		4001	BDB::max_poll_reqs $TICK * 0.1;
2890	BDB::set_sync_prepare {	4002	$AnyEvent::BDB::WATCHER->priority (1);
2891	my $status;
2892	my $current = $Coro::current;
2893	(
2894	sub {
2895	$status = $!;
2896	$current->ready; undef $current;
2897	},
2898	sub {
2899	Coro::schedule while defined $current;
2900	$! = $status;
2901	},
2902	)
2903	};
2904		4003
2905	unless ($DB_ENV) {	4004	unless ($DB_ENV) {
2906	$DB_ENV = BDB::db_env_create;	4005	$DB_ENV = BDB::db_env_create;
		4006	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4007	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4008	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4009	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4010	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2907		4011
2908	cf::sync_job {	4012	cf::sync_job {
2909	eval {	4013	eval {
2910	BDB::db_env_open	4014	BDB::db_env_open
2911	$DB_ENV,	4015	$DB_ENV,
…		…
2913	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4017	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2914	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4018	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2915	0666;	4019	0666;
2916		4020
2917	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4021	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2918
2919	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2920	$DB_ENV->set_lk_detect;
2921	};	4022	};
2922		4023
2923	cf::cleanup "db_env_open(db): $@" if $@;	4024	cf::cleanup "db_env_open(db): $@" if $@;
2924	};	4025	};
2925	}	4026	}
		4027
		4028	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4029	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4030	};
		4031	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4032	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4033	};
		4034	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4035	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4036	};
2926	}	4037	}
2927		4038
2928	{	4039	{
		4040	# configure IO::AIO
		4041
2929	IO::AIO::min_parallel 8;	4042	IO::AIO::min_parallel 8;
2930
2931	undef $Coro::AIO::WATCHER;
2932	IO::AIO::max_poll_time $TICK * 0.1;	4043	IO::AIO::max_poll_time $TICK * 0.1;
2933	$AIO_POLL_WATCHER = Event->io (	4044	undef $AnyEvent::AIO::WATCHER;
2934	reentrant => 0,
2935	data => WF_AUTOCANCEL,
2936	fd => IO::AIO::poll_fileno,
2937	poll => 'r',
2938	prio => 6,
2939	cb => \&IO::AIO::poll_cb,
2940	);
2941	}	4045	}
2942		4046
2943	my $_log_backtrace;	4047	my $_log_backtrace;
2944		4048
2945	sub _log_backtrace {	4049	sub _log_backtrace {
…		…
2948	$msg =~ s/\n//;	4052	$msg =~ s/\n//;
2949		4053
2950	# limit the # of concurrent backtraces	4054	# limit the # of concurrent backtraces
2951	if ($_log_backtrace < 2) {	4055	if ($_log_backtrace < 2) {
2952	++$_log_backtrace;	4056	++$_log_backtrace;
		4057	my $perl_bt = Carp::longmess $msg;
2953	async {	4058	async {
		4059	$Coro::current->{desc} = "abt $msg";
		4060
2954	my @bt = fork_call {	4061	my @bt = fork_call {
2955	@addr = map { sprintf "%x", $_ } @addr;	4062	@addr = map { sprintf "%x", $_ } @addr;
2956	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4063	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2957	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4064	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2958	or die "addr2line: $!";	4065	or die "addr2line: $!";
…		…
2966	}	4073	}
2967		4074
2968	@funcs	4075	@funcs
2969	};	4076	};
2970		4077
2971	LOG llevInfo, "[ABT] $msg\n";	4078	LOG llevInfo, "[ABT] $perl_bt\n";
		4079	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
2972	LOG llevInfo, "[ABT] $_\n" for @bt;	4080	LOG llevInfo, "[ABT] $_\n" for @bt;
2973	--$_log_backtrace;	4081	--$_log_backtrace;
2974	};	4082	};
2975	} else {	4083	} else {
2976	LOG llevInfo, "[ABT] $msg\n";	4084	LOG llevInfo, "[ABT] $msg\n";
2977	LOG llevInfo, "[ABT] [suppressed]\n";	4085	LOG llevInfo, "[ABT] [suppressed]\n";
2978	}	4086	}
2979	}	4087	}
2980		4088
2981	# load additional modules	4089	# load additional modules
2982	use cf::pod;	4090	require "cf/$_.pm" for @EXTRA_MODULES;
		4091	cf::_connect_to_perl_2;
2983		4092
2984	END { cf::emergency_save }	4093	END { cf::emergency_save }
2985		4094
2986	1	4095	1
2987		4096

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