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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.265 by root, Fri May 11 08:00:00 2007 UTC vs.
Revision 1.515 by root, Thu Apr 15 04:56:47 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
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	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 $REALLY_UNLOOP; # never set to true, please :)
98		150
99	binmode STDOUT;	151	binmode STDOUT;
100	binmode STDERR;	152	binmode STDERR;
101		153
102	# read virtual server time, if available	154	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	156	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
107	}	159	}
		160
		161	eval "sub TICK() { $TICK } 1" or die;
108		162
109	mkdir $_	163	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		165
112	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
113		167
114	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::"} };
115		180
116	#############################################################################	181	#############################################################################
117		182
118	=head2 GLOBAL VARIABLES	183	=head2 GLOBAL VARIABLES
119		184
…		…
155		220
156	The raw value load value from the last tick.	221	The raw value load value from the last tick.
157		222
158	=item %cf::CFG	223	=item %cf::CFG
159		224
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	225	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	226	from wherever your confdir points to.
162		227
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	228	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		229
165	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
166	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
167	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.
168		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
169	=back	246	=back
170		247
171	=cut	248	=cut
172		249
173	BEGIN {	250	$Coro::State::WARNHOOK = sub {
174	*CORE::GLOBAL::warn = sub {
175	my $msg = join "", @_;	251	my $msg = join "", @_;
176		252
177	$msg .= "\n"	253	$msg .= "\n"
178	unless $msg =~ /\n$/;	254	unless $msg =~ /\n$/;
179		255
180	$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;
181		257
182	utf8::encode $msg;
183	LOG llevError, $msg;	258	LOG llevError, $msg;
184	};	259	};
185	}	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	};
186		274
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	275	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	276	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	277	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	278	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@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';
192	@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)
193		282
194	# 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
195	# within the Safe compartment.	284	# within the Safe compartment.
196	for my $pkg (qw(	285	for my $pkg (qw(
197	cf::global cf::attachable	286	cf::global cf::attachable
198	cf::object cf::object::player	287	cf::object cf::object::player
199	cf::client cf::player	288	cf::client cf::player
200	cf::arch cf::living	289	cf::arch cf::living
		290	cf::map cf::mapspace
201	cf::map cf::party cf::region	291	cf::party cf::region
202	)) {	292	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	293	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	294	}
206		295
207	$Event::DIED = sub {	296	$EV::DIED = sub {
208	warn "error in event callback: @_";	297	Carp::cluck "error in event callback: @_";
209	};	298	};
		299
		300	#############################################################################
210		301
211	=head2 UTILITY FUNCTIONS	302	=head2 UTILITY FUNCTIONS
212		303
213	=over 4	304	=over 4
214		305
…		…
233	$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;
234	$d	325	$d
235	} || "[unable to dump $_[0]: '$@']";	326	} || "[unable to dump $_[0]: '$@']";
236	}	327	}
237		328
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	329	=item $ref = cf::decode_json $json
241		330
242	Converts a JSON string into the corresponding perl data structure.	331	Converts a JSON string into the corresponding perl data structure.
243		332
244	=item $json = cf::to_json $ref	333	=item $json = cf::encode_json $ref
245		334
246	Converts a perl data structure into its JSON representation.	335	Converts a perl data structure into its JSON representation.
247		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
248	=item cf::lock_wait $string	358	=item cf::lock_wait $string
249		359
250	Wait until the given lock is available. See cf::lock_acquire.	360	Wait until the given lock is available. See cf::lock_acquire.
251		361
252	=item my $lock = cf::lock_acquire $string	362	=item my $lock = cf::lock_acquire $string
253		363
254	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
255	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,
256	for example when the coroutine gets canceled), the lock is automatically	366	for example when the coroutine gets canceled), the lock is automatically
257	returned.	367	returned.
258		368
		369	Locks are *not* recursive, locking from the same coro twice results in a
		370	deadlocked coro.
		371
259	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
260	uses map_find and cf::map::load uses map_load).	373	uses map_find and cf::map::load uses map_load).
261		374
262	=item $locked = cf::lock_active $string	375	=item $locked = cf::lock_active $string
263		376
264	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.
265		378
266	=cut	379	=cut
267		380
268	our %LOCK;	381	our $LOCKS = new Coro::SemaphoreSet;
269		382
270	sub lock_wait($) {	383	sub lock_wait($) {
271	my ($key) = @_;	384	$LOCKS->wait ($_[0]);
272
273	# wait for lock, if any
274	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;
277	}
278	}	385	}
279		386
280	sub lock_acquire($) {	387	sub lock_acquire($) {
281	my ($key) = @_;	388	$LOCKS->guard ($_[0])
282
283	# wait, to be sure we are not locked
284	lock_wait $key;
285
286	$LOCK{$key} = [];
287
288	Coro::guard {
289	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };
291	}
292	}	389	}
293		390
294	sub lock_active($) {	391	sub lock_active($) {
295	my ($key) = @_;	392	$LOCKS->count ($_[0]) < 1
296
297	! ! $LOCK{$key}
298	}	393	}
299		394
300	sub freeze_mainloop {	395	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	396	tick_inhibit_inc;
302		397
303	my $guard = Coro::guard {	398	&Guard::guard (\&tick_inhibit_dec);
304	$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($$) {
		409	my ($interval, $cb) = @_;
		410
		411	my $start = rand List::Util::min 180, $interval;
		412
		413	EV::periodic $start, $interval, 0, $cb
		414	}
		415
		416	=item cf::get_slot $time[, $priority[, $name]]
		417
		418	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		419	This call blocks and returns only when you have at least C<$time> seconds
		420	of cpu time till the next tick. The slot is only valid till the next cede.
		421
		422	The optional C<$name> can be used to identify the job to run. It might be
		423	used for statistical purposes and should identify the same time-class.
		424
		425	Useful for short background jobs.
		426
		427	=cut
		428
		429	our @SLOT_QUEUE;
		430	our $SLOT_QUEUE;
		431	our $SLOT_DECAY = 0.9;
		432
		433	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		434	$SLOT_QUEUE = Coro::async {
		435	$Coro::current->desc ("timeslot manager");
		436
		437	my $signal = new Coro::Signal;
		438	my $busy;
		439
		440	while () {
		441	next_job:
		442
		443	my $avail = cf::till_tick;
		444
		445	for (0 .. $#SLOT_QUEUE) {
		446	if ($SLOT_QUEUE[$_][0] <= $avail) {
		447	$busy = 0;
		448	my $job = splice @SLOT_QUEUE, $_, 1, ();
		449	$job->[2]->send;
		450	Coro::cede;
		451	goto next_job;
		452	} else {
		453	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		454	}
		455	}
		456
		457	if (@SLOT_QUEUE) {
		458	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		459	push @cf::WAIT_FOR_TICK, $signal;
		460	$signal->wait;
		461	} else {
		462	$busy = 0;
		463	Coro::schedule;
		464	}
305	};	465	}
306	$TICK_WATCHER->stop;	466	};
307	$guard	467
		468	sub get_slot($;$$) {
		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	$sig->wait;
308	}	481	}
309		482
310	=item cf::async { BLOCK }	483	=item cf::async { BLOCK }
311		484
312	Currently the same as Coro::async_pool, meaning you cannot use	485	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		490
318	BEGIN { *async = \&Coro::async_pool }	491	BEGIN { *async = \&Coro::async_pool }
319		492
320	=item cf::sync_job { BLOCK }	493	=item cf::sync_job { BLOCK }
321		494
322	The design of crossfire+ requires that the main coro ($Coro::main) is	495	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	496	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	497	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		498	acceptable.
325		499
326	If it must be done, put the blocking parts into C<sync_job>. This will run	500	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	501	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	502	server will be frozen during this time, so the block should either finish
329	fast or be very important.	503	fast or be very important.
…		…
332		506
333	sub sync_job(&) {	507	sub sync_job(&) {
334	my ($job) = @_;	508	my ($job) = @_;
335		509
336	if ($Coro::current == $Coro::main) {	510	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	511	my $time = AE::time;
338		512
339	# this is the main coro, too bad, we have to block	513	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	514	# till the operation succeeds, freezing the server :/
341		515
342	# TODO: use suspend/resume instead	516	LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	517
344	my $freeze_guard = freeze_mainloop;	518	my $freeze_guard = freeze_mainloop;
345		519
346	my $busy = 1;	520	my $busy = 1;
347	my @res;	521	my @res;
348		522
349	(async {	523	(async {
		524	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	525	@res = eval { $job->() };
351	warn $@ if $@;	526	warn $@ if $@;
352	undef $busy;	527	undef $busy;
353	})->prio (Coro::PRIO_MAX);	528	})->prio (Coro::PRIO_MAX);
354		529
355	while ($busy) {	530	while ($busy) {
356	Coro::cede or Event::one_event;	531	if (Coro::nready) {
		532	Coro::cede_notself;
		533	} else {
		534	EV::loop EV::LOOP_ONESHOT;
357	}	535	}
		536	}
358		537
359	$time = Event::time - $time;	538	my $time = AE::time - $time;
360		539
361	LOG llevError | logBacktrace, "long sync job\n"
362	if $time > $TICK * 0.5;
363
364	$tick_start += $time; # do not account sync jobs to server load	540	$TICK_START += $time; # do not account sync jobs to server load
365		541
366	wantarray ? @res : $res[0]	542	wantarray ? @res : $res[0]
367	} else {	543	} else {
368	# we are in another coroutine, how wonderful, everything just works	544	# we are in another coroutine, how wonderful, everything just works
369		545
…		…
389	$EXT_CORO{$coro+0} = $coro;	565	$EXT_CORO{$coro+0} = $coro;
390		566
391	$coro	567	$coro
392	}	568	}
393		569
394	sub write_runtime {	570	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		571
397	# first touch the runtime file to show we are still running:	572	Executes the given code block with the given arguments in a seperate
398	# 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.
399		576
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	577	=cut
401	utime undef, undef, $fh;	578
		579	sub fork_call(&@) {
		580	my ($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 $!;
402	}	659	};
		660	cf::cleanup "db_open(db): $@" if $@;
403		661
404	my $guard = cf::lock_acquire "write_runtime";	662	$db
		663	}
405		664
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	665	our $DB;
407	or return;
408		666
409	my $value = $cf::RUNTIME + 90 + 10;	667	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	668	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	669	$DB ||= db_table "db";
		670	};
		671	}
412		672
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	673	sub db_get($$) {
414	and return;	674	my $key = "$_[0]/$_[1]";
415		675
416	# always fsync - this file is important	676	cf::sync_job {
417	aio_fsync $fh	677	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		678
420	# touch it again to show we are up-to-date	679	$! ? ()
421	utime undef, undef, $fh;	680	: $data
422
423	close $fh
424	or return;
425
426	aio_rename "$runtime~", $runtime
427	and return;
428
429	warn "runtime file written.\n";#d#
430
431	1	681	}
		682	}
		683
		684	sub db_put($$$) {
		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"
432	}	757	}
433		758
434	=item cf::datalog type => key => value, ...	759	=item cf::datalog type => key => value, ...
435		760
436	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.
…		…
448		773
449	#############################################################################	774	#############################################################################
450		775
451	=head2 ATTACHABLE OBJECTS	776	=head2 ATTACHABLE OBJECTS
452		777
453	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
454	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")
455	to it. All such attachable objects support the following methods.	780	to it. All such attachable objects support the following methods.
456		781
457	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>
458	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
459	crossfire+).	784	Deliantra).
460		785
461	=over 4	786	=over 4
462		787
463	=item $attachable->attach ($attachment, key => $value...)	788	=item $attachable->attach ($attachment, key => $value...)
464		789
…		…
508	=item cf::CLASS::attachment $name, ...	833	=item cf::CLASS::attachment $name, ...
509		834
510	Register an attachment by C<$name> through which attachable objects of the	835	Register an attachment by C<$name> through which attachable objects of the
511	given CLASS can refer to this attachment.	836	given CLASS can refer to this attachment.
512		837
513	Some classes such as crossfire maps and objects can specify attachments	838	Some classes such as deliantra maps and objects can specify attachments
514	that are attached at load/instantiate time, thus the need for a name.	839	that are attached at load/instantiate time, thus the need for a name.
515		840
516	These calls expect any number of the following handler/hook descriptions:	841	These calls expect any number of the following handler/hook descriptions:
517		842
518	=over 4	843	=over 4
…		…
627	$registry = $CB_TYPE[$object_type] ||= [];	952	$registry = $CB_TYPE[$object_type] ||= [];
628		953
629	} elsif ($type eq "subtype") {	954	} elsif ($type eq "subtype") {
630	defined $object_type or Carp::croak "subtype specified without type";	955	defined $object_type or Carp::croak "subtype specified without type";
631	my $object_subtype = shift @arg;	956	my $object_subtype = shift @arg;
632	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	957	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
633		958
634	} elsif ($type eq "package") {	959	} elsif ($type eq "package") {
635	my $pkg = shift @arg;	960	my $pkg = shift @arg;
636		961
637	while (my ($name, $id) = each %cb_id) {	962	while (my ($name, $id) = each %cb_id) {
…		…
666	_attach $registry, $klass, @attach;	991	_attach $registry, $klass, @attach;
667	}	992	}
668		993
669	$obj->{$name} = \%arg;	994	$obj->{$name} = \%arg;
670	} else {	995	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	996	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	997	}
673		998
674	$obj->{_attachment}{$name} = undef;	999	$obj->{_attachment}{$name} = undef;
675	}	1000	}
676		1001
…		…
678	if (ref $_[0]) {	1003	if (ref $_[0]) {
679	_object_attach @_;	1004	_object_attach @_;
680	} else {	1005	} else {
681	_attach shift->_attach_registry, @_;	1006	_attach shift->_attach_registry, @_;
682	}	1007	}
		1008	_recalc_want;
683	};	1009	};
684		1010
685	# all those should be optimised	1011	# all those should be optimised
686	sub cf::attachable::detach {	1012	sub cf::attachable::detach {
687	my ($obj, $name) = @_;	1013	my ($obj, $name) = @_;
…		…
690	delete $obj->{_attachment}{$name};	1016	delete $obj->{_attachment}{$name};
691	reattach ($obj);	1017	reattach ($obj);
692	} else {	1018	} else {
693	Carp::croak "cannot, currently, detach class attachments";	1019	Carp::croak "cannot, currently, detach class attachments";
694	}	1020	}
		1021	_recalc_want;
695	};	1022	};
696		1023
697	sub cf::attachable::attached {	1024	sub cf::attachable::attached {
698	my ($obj, $name) = @_;	1025	my ($obj, $name) = @_;
699		1026
…		…
714	";	1041	";
715	die if $@;	1042	die if $@;
716	}	1043	}
717		1044
718	our $override;	1045	our $override;
719	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?
720		1047
721	sub override {	1048	sub override {
722	$override = 1;	1049	$override = 1;
723	@invoke_results = ();	1050	@INVOKE_RESULTS = (@_);
724	}	1051	}
725		1052
726	sub do_invoke {	1053	sub do_invoke {
727	my $event = shift;	1054	my $event = shift;
728	my $callbacks = shift;	1055	my $callbacks = shift;
729		1056
730	@invoke_results = ();	1057	@INVOKE_RESULTS = ();
731		1058
732	local $override;	1059	local $override;
733		1060
734	for (@$callbacks) {	1061	for (@$callbacks) {
735	eval { &{$_->[1]} };	1062	eval { &{$_->[1]} };
…		…
744	}	1071	}
745		1072
746	0	1073	0
747	}	1074	}
748		1075
749	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1076	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750		1077
751	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1078	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752		1079
753	Generate an object-specific event with the given arguments.	1080	Generate an object-specific event with the given arguments.
754		1081
755	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
756	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
757	results (if you must, access C<@cf::invoke_results> directly).	1084	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		1085
759	=back	1086	=back
760		1087
761	=cut	1088	=cut
762		1089
763	#############################################################################	1090	#############################################################################
764	# 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, $ob2
		1133	}
765		1134
766	sub reattach {	1135	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	1136	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	1137	my ($obj) = @_;
769		1138
		1139	# no longer needed after getting rid of delete_package?
770	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
771		1141
772	my $registry = $obj->registry;	1142	my $registry = $obj->registry;
773		1143
774	@$registry = ();	1144	@$registry = ();
775		1145
…		…
790	cf::attachable->attach (	1160	cf::attachable->attach (
791	prio => -1000000,	1161	prio => -1000000,
792	on_instantiate => sub {	1162	on_instantiate => sub {
793	my ($obj, $data) = @_;	1163	my ($obj, $data) = @_;
794		1164
795	$data = from_json $data;	1165	$data = decode_json $data;
796		1166
797	for (@$data) {	1167	for (@$data) {
798	my ($name, $args) = @$_;	1168	my ($name, $args) = @$_;
799		1169
800	$obj->attach ($name, %{$args || {} });	1170	$obj->attach ($name, %{$args || {} });
…		…
816	sub object_freezer_save {	1186	sub object_freezer_save {
817	my ($filename, $rdata, $objs) = @_;	1187	my ($filename, $rdata, $objs) = @_;
818		1188
819	sync_job {	1189	sync_job {
820	if (length $$rdata) {	1190	if (length $$rdata) {
		1191	utf8::decode (my $decname = $filename);
821	warn sprintf "saving %s (%d,%d)\n",	1192	warn sprintf "saving %s (%d,%d)\n",
822	$filename, length $$rdata, scalar @$objs;	1193	$decname, length $$rdata, scalar @$objs;
823		1194
824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1195	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825	chmod SAVE_MODE, $fh;	1196	aio_chmod $fh, SAVE_MODE;
826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1197	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827	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	}
828	close $fh;	1202	aio_close $fh;
829		1203
830	if (@$objs) {	1204	if (@$objs) {
831	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) {
832	chmod SAVE_MODE, $fh;	1206	aio_chmod $fh, SAVE_MODE;
833	my $data = Storable::nfreeze { version => 1, objs => $objs };	1207	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834	aio_write $fh, 0, (length $data), $data, 0;	1208	aio_write $fh, 0, (length $data), $data, 0;
835	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	}
836	close $fh;	1213	aio_close $fh;
837	aio_rename "$filename.pst~", "$filename.pst";	1214	aio_rename "$filename.pst~", "$filename.pst";
838	}	1215	}
839	} else {	1216	} else {
840	aio_unlink "$filename.pst";	1217	aio_unlink "$filename.pst";
841	}	1218	}
842		1219
843	aio_rename "$filename~", $filename;	1220	aio_rename "$filename~", $filename;
		1221
		1222	$filename =~ s%/[^/]+$%%;
		1223	aio_pathsync $filename if $cf::USE_FSYNC;
844	} else {	1224	} else {
845	warn "FATAL: $filename~: $!\n";	1225	warn "unable to save objects: $filename~: $!\n";
846	}	1226	}
847	} else {	1227	} else {
848	aio_unlink $filename;	1228	aio_unlink $filename;
849	aio_unlink "$filename.pst";	1229	aio_unlink "$filename.pst";
850	}	1230	}
851	}	1231	};
852	}	1232	}
853		1233
854	sub object_freezer_as_string {	1234	sub object_freezer_as_string {
855	my ($rdata, $objs) = @_;	1235	my ($rdata, $objs) = @_;
856		1236
…		…
868	or return;	1248	or return;
869		1249
870	unless (aio_stat "$filename.pst") {	1250	unless (aio_stat "$filename.pst") {
871	(aio_load "$filename.pst", $av) >= 0	1251	(aio_load "$filename.pst", $av) >= 0
872	or return;	1252	or return;
		1253
873	$av = eval { (Storable::thaw $av)->{objs} };	1254	my $st = eval { Coro::Storable::thaw $av };
		1255	$av = $st->{objs};
874	}	1256	}
875		1257
		1258	utf8::decode (my $decname = $filename);
876	warn sprintf "loading %s (%d)\n",	1259	warn sprintf "loading %s (%d,%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1260	$decname, length $data, scalar @{$av || []};
		1261
878	return ($data, $av);	1262	($data, $av)
879	}	1263	}
		1264
		1265	=head2 COMMAND CALLBACKS
		1266
		1267	=over 4
		1268
		1269	=cut
880		1270
881	#############################################################################	1271	#############################################################################
882	# command handling &c	1272	# command handling &c
883		1273
884	=item cf::register_command $name => \&callback($ob,$args);	1274	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1287	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1288	}
899		1289
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1290	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1291
902	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.
903		1297
904	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
905	called.	1299	called.
906		1300
		1301	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1302
		1303	Register a callback for execution when the client sends an (asynchronous)
		1304	exticmd packet. Exti commands are processed by the server as soon as they
		1305	are received, i.e. out of order w.r.t. other commands. The first argument
		1306	is a client socket. Exti commands can be received anytime, even before
		1307	log-in.
		1308
		1309	If the callback returns something, it is sent back as if reply was being
		1310	called.
		1311
907	=cut	1312	=cut
908		1313
909	sub register_extcmd {	1314	sub register_extcmd {
910	my ($name, $cb) = @_;	1315	my ($name, $cb) = @_;
911		1316
912	$EXTCMD{$name} = $cb;	1317	$EXTCMD{$name} = $cb;
913	}	1318	}
914		1319
		1320	sub register_exticmd {
		1321	my ($name, $cb) = @_;
		1322
		1323	$EXTICMD{$name} = $cb;
		1324	}
		1325
		1326	use File::Glob ();
		1327
915	cf::player->attach (	1328	cf::player->attach (
916	on_command => sub {	1329	on_unknown_command => sub {
917	my ($pl, $name, $params) = @_;	1330	my ($pl, $name, $params) = @_;
918		1331
919	my $cb = $COMMAND{$name}	1332	my $cb = $COMMAND{$name}
920	or return;	1333	or return;
921		1334
…		…
926	cf::override;	1339	cf::override;
927	},	1340	},
928	on_extcmd => sub {	1341	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1342	my ($pl, $buf) = @_;
930		1343
931	my $msg = eval { from_json $buf };	1344	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1345
933	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
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1354	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1355	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1356	}
		1357
		1358	$pl->ext_reply ($reply, @reply)
		1359	if $reply;
		1360
939	} else {	1361	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1362	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1363	}
942		1364
943	cf::override;	1365	cf::override;
944	},	1366	},
945	);	1367	);
946		1368
		1369	# "readahead" all extensions
947	sub load_extension {	1370	sub cache_extensions {
948	my ($path) = @_;	1371	my $grp = IO::AIO::aio_group;
949		1372
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1373	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
951	my $base = $1;	1374	for (grep /\.ext$/, @{$_[0]}) {
952	my $pkg = $1;	1375	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955
956	warn "... loading '$path' into '$pkg'\n";
957
958	open my $fh, "<:utf8", $path
959	or die "$path: $!";
960
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	unless (eval $source) {
968	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	warn $@;
972	warn "mandatory extension failed to load, exiting.\n";
973	exit 1;
974	}	1376	}
975	die $@;
976	}	1377	};
977		1378
978	push @EXTS, $pkg;	1379	$grp
979	}	1380	}
980		1381
981	sub load_extensions {	1382	sub load_extensions {
		1383	cf::sync_job {
		1384	my %todo;
		1385
982	for my $ext (<$LIBDIR/*.ext>) {	1386	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1387	next unless -r $path;
984	eval {	1388
985	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 $active;
		1448	}
986	1	1449	}
987	} or warn "$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	}
988	}	1460	};
989	}	1461	}
990		1462
991	#############################################################################	1463	#############################################################################
992		1464
		1465	=back
		1466
993	=head2 CORE EXTENSIONS	1467	=head2 CORE EXTENSIONS
994		1468
995	Functions and methods that extend core crossfire objects.	1469	Functions and methods that extend core deliantra objects.
996		1470
997	=cut	1471	=cut
998		1472
999	package cf::player;	1473	package cf::player;
1000		1474
1001	use Coro::AIO;	1475	use Coro::AIO;
1002		1476
1003	=head3 cf::player	1477	=head3 cf::player
1004		1478
1005	=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	}
1006		1494
1007	=item cf::player::find $login	1495	=item cf::player::find $login
1008		1496
1009	Returns the given player object, loading it if necessary (might block).	1497	Returns the given player object, loading it if necessary (might block).
1010		1498
…		…
1029		1517
1030	sub exists($) {	1518	sub exists($) {
1031	my ($login) = @_;	1519	my ($login) = @_;
1032		1520
1033	$cf::PLAYER{$login}	1521	$cf::PLAYER{$login}
1034	or cf::sync_job { !aio_stat path $login }	1522	or !aio_stat path $login
1035	}	1523	}
1036		1524
1037	sub find($) {	1525	sub find($) {
1038	return $cf::PLAYER{$_[0]} || do {	1526	return $cf::PLAYER{$_[0]} || do {
1039	my $login = $_[0];	1527	my $login = $_[0];
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1534	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1535	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1536	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1537	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1538
1051	my $pl = load_pl path $login	1539	my $f = new_from_file cf::object::thawer path $login
1052	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;
1053	$cf::PLAYER{$login} = $pl	1547	$cf::PLAYER{$login} = $pl
1054	}	1548	}
1055	}	1549	}
1056	}	1550	}
		1551
		1552	cf::player->attach (
		1553	on_load => sub {
		1554	my ($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	);
1057		1564
1058	sub save($) {	1565	sub save($) {
1059	my ($pl) = @_;	1566	my ($pl) = @_;
1060		1567
1061	return if $pl->{deny_save};	1568	return if $pl->{deny_save};
…		…
1066	return if $pl->{deny_save};	1573	return if $pl->{deny_save};
1067		1574
1068	aio_mkdir playerdir $pl, 0770;	1575	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1576	$pl->{last_save} = $cf::RUNTIME;
1070		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
1071	$pl->save_pl ($path);	1583	$pl->save_pl ($path);
1072	Coro::cede;	1584	cf::cede_to_tick;
1073	}	1585	}
1074		1586
1075	sub new($) {	1587	sub new($) {
1076	my ($login) = @_;	1588	my ($login) = @_;
1077		1589
…		…
1083	$cf::PLAYER{$login} = $self;	1595	$cf::PLAYER{$login} = $self;
1084		1596
1085	$self	1597	$self
1086	}	1598	}
1087		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
1088	=item $pl->quit_character	1610	=item $pl->quit_character
1089		1611
1090	Nukes the player without looking back. If logged in, the connection will	1612	Nukes the player without looking back. If logged in, the connection will
1091	be destroyed. May block for a long time.	1613	be destroyed. May block for a long time.
1092		1614
…		…
1096	my ($pl) = @_;	1618	my ($pl) = @_;
1097		1619
1098	my $name = $pl->ob->name;	1620	my $name = $pl->ob->name;
1099		1621
1100	$pl->{deny_save} = 1;	1622	$pl->{deny_save} = 1;
1101	$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
1102		1624
1103	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1625	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1104	$pl->deactivate;	1626	$pl->deactivate;
		1627	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1628	$pl->ob->check_score;
1105	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1629	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1106	$pl->ns->destroy if $pl->ns;	1630	$pl->ns->destroy if $pl->ns;
1107		1631
1108	my $path = playerdir $pl;	1632	my $path = playerdir $pl;
1109	my $temp = "$path~$cf::RUNTIME~deleting~";	1633	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1145	or return [];	1669	or return [];
1146		1670
1147	my @logins;	1671	my @logins;
1148		1672
1149	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") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1679	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1680	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1681	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1682	}
1153		1683
1154	utf8::decode $login;	1684	utf8::decode $login;
1155	push @logins, $login;	1685	push @logins, $login;
1156	}	1686	}
1157		1687
…		…
1184	}	1714	}
1185		1715
1186	\@paths	1716	\@paths
1187	}	1717	}
1188		1718
		1719	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1720
		1721	Expand deliantra pod fragments into protocol xml.
		1722
1189	=item $player->ext_reply ($msgid, %msg)	1723	=item $player->ext_reply ($msgid, @msg)
1190		1724
1191	Sends an ext reply to the player.	1725	Sends an ext reply to the player.
1192		1726
1193	=cut	1727	=cut
1194		1728
1195	sub ext_reply($$%) {	1729	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1730	my ($self, $id, @msg) = @_;
1197		1731
1198	$msg{msgid} = $id;	1732	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1733	}
1202		1734
1203	=item $player->ext_event ($type, %msg)	1735	=item $player->ext_msg ($type, @msg)
1204		1736
1205	Sends an ext event to the client.	1737	Sends an ext event to the client.
1206		1738
1207	=cut	1739	=cut
1208		1740
1209	sub ext_event($$%) {	1741	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1742	my ($self, $type, @msg) = @_;
1211		1743
1212	$self->ns->ext_event ($type, %msg);	1744	$self->ns->ext_msg ($type, @msg);
1213	}	1745	}
1214		1746
1215	=head3 cf::region	1747	=head3 cf::region
1216		1748
1217	=over 4	1749	=over 4
…		…
1220		1752
1221	package cf::region;	1753	package cf::region;
1222		1754
1223	=item cf::region::find_by_path $path	1755	=item cf::region::find_by_path $path
1224		1756
1225	Tries to decuce the probable region for a map knowing only its path.	1757	Tries to decuce the likely region for a map knowing only its path.
1226		1758
1227	=cut	1759	=cut
1228		1760
1229	sub find_by_path($) {	1761	sub find_by_path($) {
1230	my ($path) = @_;	1762	my ($path) = @_;
1231		1763
1232	my ($match, $specificity);	1764	my ($match, $specificity);
1233		1765
1234	for my $region (list) {	1766	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1767	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1768	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1769	if $region->specificity > $specificity;
1238	}	1770	}
1239	}	1771	}
1240		1772
…		…
1261	our $MAX_RESET = 3600;	1793	our $MAX_RESET = 3600;
1262	our $DEFAULT_RESET = 3000;	1794	our $DEFAULT_RESET = 3000;
1263		1795
1264	sub generate_random_map {	1796	sub generate_random_map {
1265	my ($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
1266	# mit "rum" bekleckern, nicht	1801	# mit "rum" bekleckern, nicht
1267	$self->_create_random_map (	1802	$self->_create_random_map (
1268	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1803	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1804	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1270	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1805	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1271	$rmp->{exit_on_final_map},	1806	$rmp->{exit_on_final_map},
1272	$rmp->{xsize}, $rmp->{ysize},	1807	$rmp->{xsize}, $rmp->{ysize},
1273	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1808	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1274	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1809	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1304	my ($self, $merge) = @_;	1839	my ($self, $merge) = @_;
1305		1840
1306	# we have to keep some variables in memory intact	1841	# we have to keep some variables in memory intact
1307	local $self->{path};	1842	local $self->{path};
1308	local $self->{load_path};	1843	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1844
1312	$self->SUPER::thawer_merge ($merge);	1845	$self->SUPER::thawer_merge ($merge);
1313	}	1846	}
1314		1847
1315	sub normalise {	1848	sub normalise {
…		…
1362	$self->init; # pass $1 etc.	1895	$self->init; # pass $1 etc.
1363	return $self;	1896	return $self;
1364	}	1897	}
1365	}	1898	}
1366		1899
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	1900	Carp::cluck "unable to resolve path '$path' (base '$base').";
1368	()	1901	()
1369	}	1902	}
1370		1903
1371	sub init {	1904	sub init {
1372	my ($self) = @_;	1905	my ($self) = @_;
…		…
1394		1927
1395	# the temporary/swap location	1928	# the temporary/swap location
1396	sub save_path {	1929	sub save_path {
1397	my ($self) = @_;	1930	my ($self) = @_;
1398		1931
1399	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1932	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400	"$TMPDIR/$path.map"	1933	"$TMPDIR/$path.map"
1401	}	1934	}
1402		1935
1403	# the unique path, undef == no special unique path	1936	# the unique path, undef == no special unique path
1404	sub uniq_path {	1937	sub uniq_path {
1405	my ($self) = @_;	1938	my ($self) = @_;
1406		1939
1407	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1940	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408	"$UNIQUEDIR/$path"	1941	"$UNIQUEDIR/$path"
1409	}	1942	}
1410		1943
1411	# and all this just because we cannot iterate over	1944	sub decay_objects {
1412	# all maps in C++...
1413	sub change_all_map_light {
1414	my ($change) = @_;	1945	my ($self) = @_;
1415		1946
1416	$_->change_map_light ($change)	1947	return if $self->{deny_reset};
1417	for grep $_->outdoor, values %cf::MAP;	1948
		1949	$self->do_decay_objects;
1418	}	1950	}
1419		1951
1420	sub unlink_save {	1952	sub unlink_save {
1421	my ($self) = @_;	1953	my ($self) = @_;
1422		1954
…		…
1427		1959
1428	sub load_header_from($) {	1960	sub load_header_from($) {
1429	my ($self, $path) = @_;	1961	my ($self, $path) = @_;
1430		1962
1431	utf8::encode $path;	1963	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	1964	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	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;
1437		1972
1438	$self->{load_path} = $path;	1973	$self->{load_path} = $path;
1439		1974
1440	1	1975	1
1441	}	1976	}
…		…
1480	$self->load_header_orig	2015	$self->load_header_orig
1481	or return;	2016	or return;
1482	$self->prepare_orig;	2017	$self->prepare_orig;
1483	}	2018	}
1484		2019
		2020	$self->{deny_reset} = 1
		2021	if $self->no_reset;
		2022
1485	$self->default_region (cf::region::find_by_path $self->{path})	2023	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	2024	unless $self->default_region;
1487		2025
1488	1	2026	1
1489	}	2027	}
…		…
1492	sub find {	2030	sub find {
1493	my ($path, $origin) = @_;	2031	my ($path, $origin) = @_;
1494		2032
1495	$path = normalise $path, $origin && $origin->path;	2033	$path = normalise $path, $origin && $origin->path;
1496		2034
		2035	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	2036	my $guard2 = cf::lock_acquire "map_find:$path";
1498		2037
1499	$cf::MAP{$path} || do {	2038	$cf::MAP{$path} || do {
1500	my $guard = cf::lock_acquire "map_find:$path";
1501	my $map = new_from_path cf::map $path	2039	my $map = new_from_path cf::map $path
1502	or return;	2040	or return;
1503		2041
1504	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1505		2043
1506	$map->load_header	2044	$map->load_header
1507	or return;	2045	or return;
1508		2046
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	2048	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	2049	#$cf::WAIT_FOR_TICK->wait;
		2050	undef $guard2;
		2051	undef $guard1;
1512	$map->reset;	2052	$map->reset;
1513	undef $guard;
1514	return find $path;	2053	return find $path;
1515	}	2054	}
1516		2055
1517	$cf::MAP{$path} = $map	2056	$cf::MAP{$path} = $map
1518	}	2057	}
1519	}	2058	}
1520		2059
1521	sub pre_load { }	2060	sub pre_load { }
1522	sub post_load { }	2061	#sub post_load { } # XS
1523		2062
1524	sub load {	2063	sub load {
1525	my ($self) = @_;	2064	my ($self) = @_;
1526		2065
1527	local $self->{deny_reset} = 1; # loading can take a long time	2066	local $self->{deny_reset} = 1; # loading can take a long time
1528		2067
1529	my $path = $self->{path};	2068	my $path = $self->{path};
1530		2069
1531	{	2070	{
1532	my $guard = cf::lock_acquire "map_load:$path";	2071	my $guard = cf::lock_acquire "map_data:$path";
1533		2072
		2073	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1535		2075
1536	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1537		2077
1538	$self->alloc;	2078	$self->alloc;
1539		2079
1540	$self->pre_load;	2080	$self->pre_load;
1541	Coro::cede;	2081	cf::cede_to_tick;
1542		2082
		2083	my $f = new_from_file cf::object::thawer $self->{load_path};
		2084	$f->skip_block;
1543	$self->_load_objects ($self->{load_path}, 1)	2085	$self->_load_objects ($f)
1544	or return;	2086	or return;
1545		2087
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->post_load_original
1547	if delete $self->{load_original};	2089	if delete $self->{load_original};
1548		2090
1549	if (my $uniq = $self->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	2092	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	2095	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1554	}	2099	}
1555	}	2100	}
1556		2101
1557	Coro::cede;	2102	$f->resolve_delayed_derefs;
		2103
		2104	cf::cede_to_tick;
1558	# now do the right thing for maps	2105	# now do the right thing for maps
1559	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	2108	unless $self->difficulty;
1562	Coro::cede;	2109	cf::cede_to_tick;
1563		2110
1564	unless ($self->{deny_activate}) {	2111	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	2112	$self->decay_objects;
1566	$self->fix_auto_apply;	2113	$self->fix_auto_apply;
1567	$self->update_buttons;	2114	$self->update_buttons;
1568	Coro::cede;	2115	cf::cede_to_tick;
1569	$self->set_darkness_map;
1570	Coro::cede;
1571	$self->activate;	2116	$self->activate;
1572	}	2117	}
1573		2118
		2119	$self->{last_save} = $cf::RUNTIME;
		2120	$self->last_access ($cf::RUNTIME);
		2121
1574	$self->in_memory (cf::MAP_IN_MEMORY);	2122	$self->in_memory (cf::MAP_ACTIVE);
1575	}	2123	}
1576		2124
1577	$self->post_load;	2125	$self->post_load;
1578	}	2126	}
1579		2127
		2128	# customize the map for a given player, i.e.
		2129	# return the _real_ map. used by e.g. per-player
		2130	# maps to change the path to ~playername/mappath
1580	sub customise_for {	2131	sub customise_for {
1581	my ($self, $ob) = @_;	2132	my ($self, $ob) = @_;
1582		2133
1583	return find "~" . $ob->name . "/" . $self->{path}	2134	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	2135	if $self->per_player;
1585		2136
		2137	# return find "?party/" . $ob->name . "/" . $self->{path}
		2138	# if $self->per_party;
		2139
1586	$self	2140	$self
1587	}	2141	}
1588		2142
1589	# find and load all maps in the 3x3 area around a map	2143	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	2144	sub load_neighbours {
1591	my ($map) = @_;	2145	my ($map) = @_;
1592		2146
1593	my @diag; # diagonal neighbours	2147	my @neigh; # diagonal neighbours
1594		2148
1595	for (0 .. 3) {	2149	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)	2150	my $neigh = $map->tile_path ($_)
1597	or next;	2151	or next;
1598	$neigh = find $neigh, $map	2152	$neigh = find $neigh, $map
1599	or next;	2153	or next;
1600	$neigh->load;	2154	$neigh->load;
1601		2155
		2156	push @neigh,
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2157	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2158	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}	2159	}
1605		2160
1606	for (@diag) {	2161	for (grep defined $_->[0], @neigh) {
		2162	my ($path, $origin) = @$_;
1607	my $neigh = find @$_	2163	my $neigh = find $path, $origin
1608	or next;	2164	or next;
1609	$neigh->load;	2165	$neigh->load;
1610	}	2166	}
1611	}	2167	}
1612		2168
…		…
1617	}	2173	}
1618		2174
1619	sub do_load_sync {	2175	sub do_load_sync {
1620	my ($map) = @_;	2176	my ($map) = @_;
1621		2177
		2178	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2179	if $Coro::current == $Coro::main;
		2180
1622	cf::sync_job { $map->load };	2181	cf::sync_job { $map->load };
1623	}	2182	}
1624		2183
1625	our %MAP_PREFETCH;	2184	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2185	our $MAP_PREFETCHER = undef;
1627		2186
1628	sub find_async {	2187	sub find_async {
1629	my ($path, $origin) = @_;	2188	my ($path, $origin, $load) = @_;
1630		2189
1631	$path = normalise $path, $origin && $origin->{path};	2190	$path = normalise $path, $origin && $origin->{path};
1632		2191
1633	if (my $map = $cf::MAP{$path}) {	2192	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2193	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1635	}	2194	}
1636		2195
1637	undef $MAP_PREFETCH{$path};	2196	$MAP_PREFETCH{$path} |= $load;
		2197
1638	$MAP_PREFETCHER ||= cf::async {	2198	$MAP_PREFETCHER ||= cf::async {
		2199	$Coro::current->{desc} = "map prefetcher";
		2200
1639	while (%MAP_PREFETCH) {	2201	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2202	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2203	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2204	$map->load if $v;
		2205	}
1644		2206
1645	delete $MAP_PREFETCH{$path};	2207	delete $MAP_PREFETCH{$k};
1646	}	2208	}
1647	}	2209	}
1648	undef $MAP_PREFETCHER;	2210	undef $MAP_PREFETCHER;
1649	};	2211	};
1650	$MAP_PREFETCHER->prio (6);	2212	$MAP_PREFETCHER->prio (6);
…		…
1653	}	2215	}
1654		2216
1655	sub save {	2217	sub save {
1656	my ($self) = @_;	2218	my ($self) = @_;
1657		2219
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;	2220	my $lock = cf::lock_acquire "map_data:$self->{path}";
1659		2221
1660	$self->{last_save} = $cf::RUNTIME;	2222	$self->{last_save} = $cf::RUNTIME;
1661		2223
1662	return unless $self->dirty;	2224	return unless $self->dirty;
1663		2225
…		…
1669	return if $self->{deny_save};	2231	return if $self->{deny_save};
1670		2232
1671	local $self->{last_access} = $self->last_access;#d#	2233	local $self->{last_access} = $self->last_access;#d#
1672		2234
1673	cf::async {	2235	cf::async {
		2236	$Coro::current->{desc} = "map player save";
1674	$_->contr->save for $self->players;	2237	$_->contr->save for $self->players;
1675	};	2238	};
		2239
		2240	cf::get_slot 0.02;
1676		2241
1677	if ($uniq) {	2242	if ($uniq) {
1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2243	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2244	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1680	} else {	2245	} else {
…		…
1686	my ($self) = @_;	2251	my ($self) = @_;
1687		2252
1688	# save first because save cedes	2253	# save first because save cedes
1689	$self->save;	2254	$self->save;
1690		2255
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2256	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2257
1693	return if $self->players;	2258	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;	2259	return if $self->in_memory != cf::MAP_ACTIVE;
1695	return if $self->{deny_save};	2260	return if $self->{deny_save};
1696		2261
		2262	$self->in_memory (cf::MAP_SWAPPED);
		2263
		2264	$self->deactivate;
		2265	$_->clear_links_to ($self) for values %cf::MAP;
1697	$self->clear;	2266	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2267	}
1700		2268
1701	sub reset_at {	2269	sub reset_at {
1702	my ($self) = @_;	2270	my ($self) = @_;
1703		2271
1704	# TODO: safety, remove and allow resettable per-player maps	2272	# TODO: safety, remove and allow resettable per-player maps
1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1706	return 1e99 if $self->{deny_reset};	2273	return 1e99 if $self->{deny_reset};
1707		2274
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2275	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2276	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2277
…		…
1721	my ($self) = @_;	2288	my ($self) = @_;
1722		2289
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2290	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2291
1725	return if $self->players;	2292	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2293
1728	warn "resetting map ", $self->path;#d#	2294	warn "resetting map ", $self->path, "\n";
1729		2295
1730	$self->in_memory (cf::MAP_SWAPPED);	2296	$self->in_memory (cf::MAP_SWAPPED);
1731		2297
1732	# need to save uniques path	2298	# need to save uniques path
1733	unless ($self->{deny_save}) {	2299	unless ($self->{deny_save}) {
…		…
1737	if $uniq;	2303	if $uniq;
1738	}	2304	}
1739		2305
1740	delete $cf::MAP{$self->path};	2306	delete $cf::MAP{$self->path};
1741		2307
		2308	$self->deactivate;
		2309	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2310	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2311
1746	$self->unlink_save;	2312	$self->unlink_save;
1747	$self->destroy;	2313	$self->destroy;
1748	}	2314	}
1749		2315
1750	my $nuke_counter = "aaaa";	2316	my $nuke_counter = "aaaa";
1751		2317
1752	sub nuke {	2318	sub nuke {
1753	my ($self) = @_;	2319	my ($self) = @_;
1754		2320
		2321	{
		2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2323
1755	delete $cf::MAP{$self->path};	2324	delete $cf::MAP{$self->path};
1756		2325
1757	$self->unlink_save;	2326	$self->unlink_save;
1758		2327
1759	bless $self, "cf::map";	2328	bless $self, "cf::map";
1760	delete $self->{deny_reset};	2329	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2330	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2331	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2332	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2333
1765	$cf::MAP{$self->path} = $self;	2334	$cf::MAP{$self->path} = $self;
		2335	}
1766		2336
1767	$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	]
1768	}	2374	}
1769		2375
1770	=item cf::map::unique_maps	2376	=item cf::map::unique_maps
1771		2377
1772	Returns an arrayref of paths of all shared maps that have	2378	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2379	instantiated unique items. May block.
1774		2380
1775	=cut	2381	=cut
1776		2382
1777	sub unique_maps() {	2383	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2384	[
1779	or return;	2385	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2386	utf8::decode $_;
1785	next if /\.pst$/;	2387	s/\.map$//; # TODO future compatibility hack
1786	next unless /^$PATH_SEP/o;	2388	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787		2389	? ()
1788	push @paths, cf::map::normalise $_;	2390	: normalise $_
		2391	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2392	]
1790
1791	\@paths
1792	}	2393	}
1793		2394
1794	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	}
1795		2426
1796	=back	2427	=back
1797		2428
1798	=head3 cf::object	2429	=head3 cf::object
1799		2430
…		…
1803		2434
1804	=over 4	2435	=over 4
1805		2436
1806	=item $ob->inv_recursive	2437	=item $ob->inv_recursive
1807		2438
1808	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.
1809		2441
1810	=cut	2442	=cut
1811		2443
1812	sub inv_recursive_;	2444	sub inv_recursive_;
1813	sub inv_recursive_ {	2445	sub inv_recursive_ {
…		…
1816		2448
1817	sub inv_recursive {	2449	sub inv_recursive {
1818	inv_recursive_ inv $_[0]	2450	inv_recursive_ inv $_[0]
1819	}	2451	}
1820		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
1821	package cf;	2481	package cf;
1822		2482
1823	=back	2483	=back
1824		2484
1825	=head3 cf::object::player	2485	=head3 cf::object::player
…		…
1831	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>
1832	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
1833	dialogue with the given NPC character.	2493	dialogue with the given NPC character.
1834		2494
1835	=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	};
1836		2510
1837	# rough implementation of a future "reply" method that works	2511	# rough implementation of a future "reply" method that works
1838	# with dialog boxes.	2512	# with dialog boxes.
1839	#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
1840	sub cf::object::player::reply($$$;$) {	2514	sub cf::object::player::reply($$$;$) {
…		…
1842		2516
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2517	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2518
1845	if ($self->{record_replies}) {	2519	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2520	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2521
1847	} 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 {
1848	$msg = $npc->name . " says: $msg" if $npc;	2530	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2531	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2532	}
1850	}	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 (@_);
1851	}	2544	}
1852		2545
1853	=item $player_object->may ("access")	2546	=item $player_object->may ("access")
1854		2547
1855	Returns wether the given player is authorized to access resource "access"	2548	Returns wether the given player is authorized to access resource "access"
…		…
1868		2561
1869	=item $player_object->enter_link	2562	=item $player_object->enter_link
1870		2563
1871	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}>).
1872		2565
1873	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.
1874	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.
1875		2570
1876	Will never block.	2571	Will never block.
1877		2572
1878	=item $player_object->leave_link ($map, $x, $y)	2573	=item $player_object->leave_link ($map, $x, $y)
1879		2574
…		…
1902	$self->deactivate_recursive;	2597	$self->deactivate_recursive;
1903		2598
1904	return if UNIVERSAL::isa $self->map, "ext::map_link";	2599	return if UNIVERSAL::isa $self->map, "ext::map_link";
1905		2600
1906	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2601	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1907	if $self->map;	2602	if $self->map && $self->map->{path} ne "{link}";
1908		2603
1909	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2604	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1910	}	2605	}
1911		2606
1912	sub cf::object::player::leave_link {	2607	sub cf::object::player::leave_link {
1913	my ($self, $map, $x, $y) = @_;	2608	my ($self, $map, $x, $y) = @_;
		2609
		2610	return unless $self->contr->active;
1914		2611
1915	my $link_pos = delete $self->{_link_pos};	2612	my $link_pos = delete $self->{_link_pos};
1916		2613
1917	unless ($map) {	2614	unless ($map) {
1918	# restore original map position	2615	# restore original map position
…		…
1929	($x, $y) = (-1, -1)	2626	($x, $y) = (-1, -1)
1930	unless (defined $x) && (defined $y);	2627	unless (defined $x) && (defined $y);
1931		2628
1932	# use -1 or undef as default coordinates, not 0, 0	2629	# use -1 or undef as default coordinates, not 0, 0
1933	($x, $y) = ($map->enter_x, $map->enter_y)	2630	($x, $y) = ($map->enter_x, $map->enter_y)
1934	if $x <=0 && $y <= 0;	2631	if $x <= 0 && $y <= 0;
1935		2632
1936	$map->load;	2633	$map->load;
1937	$map->load_diag;	2634	$map->load_neighbours;
1938		2635
1939	return unless $self->contr->active;	2636	return unless $self->contr->active;
1940	$self->activate_recursive;
1941		2637
1942	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2638	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1943	$self->enter_map ($map, $x, $y);	2639	$self->enter_map ($map, $x, $y);
1944	}
1945		2640
1946	cf::player->attach (	2641	# only activate afterwards, to support waiting in hooks
1947	on_logout => sub {	2642	$self->activate_recursive;
1948	my ($pl) = @_;	2643	}
1949		2644
1950	# abort map switching before logout	2645	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1951	if ($pl->ob->{_link_pos}) {
1952	cf::sync_job {
1953	$pl->ob->leave_link
1954	};
1955	}
1956	},
1957	on_login => sub {
1958	my ($pl) = @_;
1959		2646
1960	# try to abort aborted map switching on player login :)	2647	Moves the player to the given map-path and coordinates by first freezing
1961	# should happen only on crashes	2648	her, loading and preparing them map, calling the provided $check callback
1962	if ($pl->ob->{_link_pos}) {	2649	that has to return the map if sucecssful, and then unfreezes the player on
1963	$pl->ob->enter_link;	2650	the new (success) or old (failed) map position. In either case, $done will
1964	(async {	2651	be called at the end of this process.
1965	$pl->ob->reply (undef,
1966	"There was an internal problem at your last logout, "
1967	. "the server will try to bring you to your intended destination in a second.",
1968	cf::NDI_RED);
1969	# we need this sleep as the login has a concurrent enter_exit running
1970	# and this sleep increases chances of the player not ending up in scorn
1971	Coro::Timer::sleep 1;
1972	$pl->ob->leave_link;
1973	})->prio (2);
1974	}
1975	},
1976	);
1977		2652
1978	=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 >>.
1979		2655
1980	=cut	2656	=cut
		2657
		2658	our $GOTOGEN;
1981		2659
1982	sub cf::object::player::goto {	2660	sub cf::object::player::goto {
1983	my ($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;
1984		2665
1985	$self->enter_link;	2666	$self->enter_link;
1986		2667
1987	(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
1988	my $map = eval {	2690	my $map = eval {
1989	my $map = cf::map::find $path;	2691	my $map = defined $path ? cf::map::find $path : undef;
		2692
		2693	if ($map) {
1990	$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
1991	$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 $@;
1992	} or	2706	}
1993	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1994		2707
		2708	if ($gen == $self->{_goto_generation}) {
		2709	delete $self->{_goto_generation};
1995	$self->leave_link ($map, $x, $y);	2710	$self->leave_link ($map, $x, $y);
		2711	}
		2712
		2713	$done->() if $done;
1996	})->prio (1);	2714	})->prio (1);
1997	}	2715	}
1998		2716
1999	=item $player_object->enter_exit ($exit_object)	2717	=item $player_object->enter_exit ($exit_object)
2000		2718
…		…
2020	}	2738	}
2021		2739
2022	sub prepare_random_map {	2740	sub prepare_random_map {
2023	my ($exit) = @_;	2741	my ($exit) = @_;
2024		2742
2025	my $guard = cf::lock_acquire "exit_prepare:$exit";
2026
2027	# all this does is basically replace the /! path by	2743	# all this does is basically replace the /! path by
2028	# a new random map path (?random/...) with a seed	2744	# a new random map path (?random/...) with a seed
2029	# that depends on the exit object	2745	# that depends on the exit object
2030		2746
2031	my $rmp = parse_random_map_params $exit->msg;	2747	my $rmp = parse_random_map_params $exit->msg;
…		…
2033	if ($exit->map) {	2749	if ($exit->map) {
2034	$rmp->{region} = $exit->region->name;	2750	$rmp->{region} = $exit->region->name;
2035	$rmp->{origin_map} = $exit->map->path;	2751	$rmp->{origin_map} = $exit->map->path;
2036	$rmp->{origin_x} = $exit->x;	2752	$rmp->{origin_x} = $exit->x;
2037	$rmp->{origin_y} = $exit->y;	2753	$rmp->{origin_y} = $exit->y;
		2754
		2755	$exit->map->touch;
2038	}	2756	}
2039		2757
2040	$rmp->{random_seed} ||= $exit->random_seed;	2758	$rmp->{random_seed} ||= $exit->random_seed;
2041		2759
2042	my $data = cf::to_json $rmp;	2760	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2043	my $md5 = Digest::MD5::md5_hex $data;	2761	my $md5 = Digest::MD5::md5_hex $data;
2044	my $meta = "$RANDOMDIR/$md5.meta";	2762	my $meta = "$RANDOMDIR/$md5.meta";
2045		2763
2046	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2764	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2047	aio_write $fh, 0, (length $data), $data, 0;	2765	aio_write $fh, 0, (length $data), $data, 0;
2048	undef $fh;	2766	undef $fh;
2049	aio_rename "$meta~", $meta;	2767	aio_rename "$meta~", $meta;
2050		2768
		2769	my $slaying = "?random/$md5";
		2770
		2771	if ($exit->valid) {
2051	$exit->slaying ("?random/$md5");	2772	$exit->slaying ("?random/$md5");
2052	$exit->msg (undef);	2773	$exit->msg (undef);
		2774	}
2053	}	2775	}
2054	}	2776	}
2055		2777
2056	sub cf::object::player::enter_exit {	2778	sub cf::object::player::enter_exit {
2057	my ($self, $exit) = @_;	2779	my ($self, $exit) = @_;
2058		2780
2059	return unless $self->type == cf::PLAYER;	2781	return unless $self->type == cf::PLAYER;
2060		2782
2061	if ($exit->slaying eq "/!") {
2062	#TODO: this should de-fi-ni-te-ly not be a sync-job
2063	# the problem is that $exit might not survive long enough
2064	# so it needs to be done right now, right here
2065	cf::sync_job { prepare_random_map $exit };
2066	}
2067
2068	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2069	my $hp = $exit->stats->hp;
2070	my $sp = $exit->stats->sp;
2071
2072	$self->enter_link;	2783	$self->enter_link;
2073		2784
2074	(async {	2785	(async {
2075	$self->deactivate_recursive; # just to be sure	2786	$Coro::current->{desc} = "enter_exit";
		2787
2076	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
2077	$self->goto ($slaying, $hp, $sp);	2803	$self->goto ($map, $x, $y);
2078		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
2079	1;	2809	1
2080	}) {	2810	}) {
2081	$self->message ("Something went wrong deep within the crossfire server. "	2811	$self->message ("Something went wrong deep within the deliantra server. "
2082	. "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. "
2083	. "Please report this to the dungeon master!",	2813	. "Please report this to the dungeon master!",
2084	cf::NDI_UNIQUE | cf::NDI_RED);	2814	cf::NDI_UNIQUE | cf::NDI_RED);
2085		2815
2086	warn "ERROR in enter_exit: $@";	2816	warn "ERROR in enter_exit: $@";
…		…
2105		2835
2106	utf8::encode $text;	2836	utf8::encode $text;
2107	$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);
2108	}	2838	}
2109		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
2110	=item $client->ext_event ($type, %msg)	3027	=item $client->ext_msg ($type, @msg)
2111		3028
2112	Sends an exti event to the client.	3029	Sends an ext event to the client.
2113		3030
2114	=cut	3031	=cut
2115		3032
2116	sub cf::client::ext_event($$%) {	3033	sub cf::client::ext_msg($$@) {
2117	my ($self, $type, %msg) = @_;	3034	my ($self, $type, @msg) = @_;
2118		3035
		3036	if ($self->extcmd == 2) {
		3037	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3038	} elsif ($self->extcmd == 1) { # TODO: remove
2119	$msg{msgtype} = "event_$type";	3039	push @msg, msgtype => "event_$type";
2120	$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	}
2121	}	3060	}
2122		3061
2123	=item $success = $client->query ($flags, "text", \&cb)	3062	=item $success = $client->query ($flags, "text", \&cb)
2124		3063
2125	Queues a query to the client, calling the given callback with	3064	Queues a query to the client, calling the given callback with
2126	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>,
2127	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>.
2128		3067
2129	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
2130	reliable at some point in the future.	3069	become reliable at some point in the future.
2131		3070
2132	=cut	3071	=cut
2133		3072
2134	sub cf::client::query {	3073	sub cf::client::query {
2135	my ($self, $flags, $text, $cb) = @_;	3074	my ($self, $flags, $text, $cb) = @_;
…		…
2143	utf8::encode $text;	3082	utf8::encode $text;
2144	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3083	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2145		3084
2146	$self->send_packet ($self->{query_queue}[0][0])	3085	$self->send_packet ($self->{query_queue}[0][0])
2147	if @{ $self->{query_queue} } == 1;	3086	if @{ $self->{query_queue} } == 1;
		3087
		3088	1
2148	}	3089	}
2149		3090
2150	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	},
2151	on_reply => sub {	3097	on_reply => sub {
2152	my ($ns, $msg) = @_;	3098	my ($ns, $msg) = @_;
2153		3099
2154	# this weird shuffling is so that direct followup queries	3100	# this weird shuffling is so that direct followup queries
2155	# get handled first	3101	# get handled first
…		…
2167	} else {	3113	} else {
2168	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3114	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2169	}	3115	}
2170	}	3116	}
2171	},	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	},
2172	);	3144	);
2173		3145
2174	=item $client->async (\&cb)	3146	=item $client->async (\&cb)
2175		3147
2176	Create a new coroutine, running the specified callback. The coroutine will	3148	Create a new coroutine, running the specified callback. The coroutine will
…		…
2192		3164
2193	$coro	3165	$coro
2194	}	3166	}
2195		3167
2196	cf::client->attach (	3168	cf::client->attach (
2197	on_destroy => sub {	3169	on_client_destroy => sub {
2198	my ($ns) = @_;	3170	my ($ns) = @_;
2199		3171
2200	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3172	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2201	},	3173	},
2202	);	3174	);
…		…
2217	our $safe = new Safe "safe";	3189	our $safe = new Safe "safe";
2218	our $safe_hole = new Safe::Hole;	3190	our $safe_hole = new Safe::Hole;
2219		3191
2220	$SIG{FPE} = 'IGNORE';	3192	$SIG{FPE} = 'IGNORE';
2221		3193
2222	$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	));
2223		3199
2224	# here we export the classes and methods available to script code	3200	# here we export the classes and methods available to script code
2225		3201
2226	=pod	3202	=pod
2227		3203
2228	The following functions and methods are available within a safe environment:	3204	The following functions and methods are available within a safe environment:
2229		3205
2230	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
2231	cf::object::player player	3211	cf::object::player
2232	cf::player peaceful	3212	player
2233	cf::map trigger	3213
		3214	cf::player
		3215	peaceful
		3216
		3217	cf::map
		3218	trigger
2234		3219
2235	=cut	3220	=cut
2236		3221
2237	for (	3222	for (
2238	["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)],
2239	["cf::object::player" => qw(player)],	3226	["cf::object::player" => qw(player)],
2240	["cf::player" => qw(peaceful)],	3227	["cf::player" => qw(peaceful send_msg)],
2241	["cf::map" => qw(trigger)],	3228	["cf::map" => qw(trigger)],
2242	) {	3229	) {
2243	no strict 'refs';	3230	no strict 'refs';
2244	my ($pkg, @funs) = @$_;	3231	my ($pkg, @funs) = @$_;
2245	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3232	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2263		3250
2264	my $qcode = $code;	3251	my $qcode = $code;
2265	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3252	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2266	$qcode =~ s/\n/\\n/g;	3253	$qcode =~ s/\n/\\n/g;
2267		3254
		3255	%vars = (_dummy => 0) unless %vars;
		3256
		3257	my @res;
2268	local $_;	3258	local $_;
2269	local @safe::cf::_safe_eval_args = values %vars;
2270		3259
2271	my $eval =	3260	my $eval =
2272	"do {\n"	3261	"do {\n"
2273	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3262	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2274	. "#line 0 \"{$qcode}\"\n"	3263	. "#line 0 \"{$qcode}\"\n"
2275	. $code	3264	. $code
2276	. "\n}"	3265	. "\n}"
2277	;	3266	;
2278		3267
		3268	if ($CFG{safe_eval}) {
2279	sub_generation_inc;	3269	sub_generation_inc;
		3270	local @safe::cf::_safe_eval_args = values %vars;
2280	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3271	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2281	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	}
2282		3277
2283	if ($@) {	3278	if ($@) {
2284	warn "$@";	3279	warn "$@";
2285	warn "while executing safe code '$code'\n";	3280	warn "while executing safe code '$code'\n";
2286	warn "with arguments " . (join " ", %vars) . "\n";	3281	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2305	=cut	3300	=cut
2306		3301
2307	sub register_script_function {	3302	sub register_script_function {
2308	my ($fun, $cb) = @_;	3303	my ($fun, $cb) = @_;
2309		3304
2310	no strict 'refs';	3305	$fun = "safe::$fun" if $CFG{safe_eval};
2311	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3306	*$fun = $safe_hole->wrap ($cb);
2312	}	3307	}
2313		3308
2314	=back	3309	=back
2315		3310
2316	=cut	3311	=cut
2317
2318	#############################################################################
2319
2320	=head2 EXTENSION DATABASE SUPPORT
2321
2322	Crossfire maintains a very simple database for extension use. It can
2323	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2324	convert to/from binary).
2325
2326	The parameter C<$family> should best start with the name of the extension
2327	using it, it should be unique.
2328
2329	=over 4
2330
2331	=item $value = cf::db_get $family => $key
2332
2333	Returns a single value from the database.
2334
2335	=item cf::db_put $family => $key => $value
2336
2337	Stores the given C<$value> in the family.
2338
2339	=cut
2340
2341	our $DB;
2342
2343	sub db_init {
2344	unless ($DB) {
2345	$DB = BDB::db_create $DB_ENV;
2346
2347	cf::sync_job {
2348	eval {
2349	$DB->set_flags (BDB::CHKSUM);
2350
2351	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2352	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2353	cf::cleanup "db_open(db): $!" if $!;
2354	};
2355	cf::cleanup "db_open(db): $@" if $@;
2356	};
2357	}
2358	}
2359
2360	sub db_get($$) {
2361	my $key = "$_[0]/$_[1]";
2362
2363	cf::sync_job {
2364	BDB::db_get $DB, undef, $key, my $data;
2365
2366	$! ? ()
2367	: $data
2368	}
2369	}
2370
2371	sub db_put($$$) {
2372	BDB::dbreq_pri 4;
2373	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2374	}
2375
2376	=item cf::cache $id => [$paths...], $processversion => $process
2377
2378	Generic caching function that returns the value of the resource $id,
2379	caching and regenerating as required.
2380
2381	This function can block.
2382
2383	=cut
2384
2385	sub cache {
2386	my ($id, $src, $processversion, $process) = @_;
2387
2388	my $meta =
2389	join "\x00",
2390	$processversion,
2391	map {
2392	aio_stat $_
2393	and Carp::croak "$_: $!";
2394
2395	($_, (stat _)[7,9])
2396	} @$src;
2397
2398	my $dbmeta = db_get cache => "$id/meta";
2399	if ($dbmeta ne $meta) {
2400	# changed, we may need to process
2401
2402	my @data;
2403	my $md5;
2404
2405	for (0 .. $#$src) {
2406	0 <= aio_load $src->[$_], $data[$_]
2407	or Carp::croak "$src->[$_]: $!";
2408	}
2409
2410	# if processing is expensive, check
2411	# checksum first
2412	if (1) {
2413	$md5 =
2414	join "\x00",
2415	$processversion,
2416	map {
2417	Coro::cede;
2418	($src->[$_], Digest::MD5::md5_hex $data[$_])
2419	} 0.. $#$src;
2420
2421
2422	my $dbmd5 = db_get cache => "$id/md5";
2423	if ($dbmd5 eq $md5) {
2424	db_put cache => "$id/meta", $meta;
2425
2426	return db_get cache => "$id/data";
2427	}
2428	}
2429
2430	my $t1 = Time::HiRes::time;
2431	my $data = $process->(\@data);
2432	my $t2 = Time::HiRes::time;
2433
2434	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2435
2436	db_put cache => "$id/data", $data;
2437	db_put cache => "$id/md5" , $md5;
2438	db_put cache => "$id/meta", $meta;
2439
2440	return $data;
2441	}
2442
2443	db_get cache => "$id/data"
2444	}
2445
2446	=item fork_call { }, $args
2447
2448	Executes the given code block with the given arguments in a seperate
2449	process, returning the results. Everything must be serialisable with
2450	Coro::Storable. May, of course, block. Note that the executed sub may
2451	never block itself or use any form of Event handling.
2452
2453	=cut
2454
2455	sub fork_call(&@) {
2456	my ($cb, @args) = @_;
2457
2458	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2459	# or die "socketpair: $!";
2460	pipe my $fh1, my $fh2
2461	or die "pipe: $!";
2462
2463	if (my $pid = fork) {
2464	close $fh2;
2465
2466	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2467	$res = Coro::Storable::thaw $res;
2468
2469	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2470
2471	die $$res unless "ARRAY" eq ref $res;
2472
2473	return wantarray ? @$res : $res->[-1];
2474	} else {
2475	reset_signals;
2476	local $SIG{__WARN__};
2477	local $SIG{__DIE__};
2478	eval {
2479	close $fh1;
2480
2481	my @res = eval { $cb->(@args) };
2482	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2483	};
2484
2485	warn $@ if $@;
2486	_exit 0;
2487	}
2488	}
2489
2490
2491		3312
2492	#############################################################################	3313	#############################################################################
2493	# the server's init and main functions	3314	# the server's init and main functions
2494		3315
2495	sub load_facedata($) {	3316	sub load_facedata($) {
2496	my ($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;
2497		3324
2498	warn "loading facedata from $path\n";	3325	warn "loading facedata from $path\n";
2499		3326
2500	my $facedata;	3327	my $facedata;
2501	0 < aio_load $path, $facedata	3328	0 < aio_load $path, $facedata
…		…
2504	$facedata = Coro::Storable::thaw $facedata;	3331	$facedata = Coro::Storable::thaw $facedata;
2505		3332
2506	$facedata->{version} == 2	3333	$facedata->{version} == 2
2507	or cf::cleanup "$path: version mismatch, cannot proceed.";	3334	or cf::cleanup "$path: version mismatch, cannot proceed.";
2508		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
2509	{	3345	{
2510	my $faces = $facedata->{faceinfo};	3346	my $faces = $facedata->{faceinfo};
2511		3347
2512	while (my ($face, $info) = each %$faces) {	3348	while (my ($face, $info) = each %$faces) {
2513	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3349	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3350
2514	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3351	cf::face::set_visibility $idx, $info->{visibility};
		3352	cf::face::set_magicmap $idx, $info->{magicmap};
2515	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3353	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2516	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3354	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2517	Coro::cede;	3355
		3356	cf::cede_to_tick;
2518	}	3357	}
2519		3358
2520	while (my ($face, $info) = each %$faces) {	3359	while (my ($face, $info) = each %$faces) {
2521	next unless $info->{smooth};	3360	next unless $info->{smooth};
		3361
2522	my $idx = cf::face::find $face	3362	my $idx = cf::face::find $face
2523	or next;	3363	or next;
		3364
2524	if (my $smooth = cf::face::find $info->{smooth}) {	3365	if (my $smooth = cf::face::find $info->{smooth}) {
		3366	cf::face::set_smooth $idx, $smooth;
2525	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3367	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2526	} else {	3368	} else {
2527	warn "smooth face '$info->{smooth}' not found for face '$face'";	3369	warn "smooth face '$info->{smooth}' not found for face '$face'";
2528	}	3370	}
2529	Coro::cede;	3371
		3372	cf::cede_to_tick;
2530	}	3373	}
2531	}	3374	}
2532		3375
2533	{	3376	{
2534	my $anims = $facedata->{animinfo};	3377	my $anims = $facedata->{animinfo};
2535		3378
2536	while (my ($anim, $info) = each %$anims) {	3379	while (my ($anim, $info) = each %$anims) {
2537	cf::anim::set $anim, $info->{frames}, $info->{facings};	3380	cf::anim::set $anim, $info->{frames}, $info->{facings};
2538	Coro::cede;	3381	cf::cede_to_tick;
2539	}	3382	}
2540		3383
2541	cf::anim::invalidate_all; # d'oh	3384	cf::anim::invalidate_all; # d'oh
2542	}	3385	}
2543		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
2544	1	3406	1
2545	}	3407	}
2546		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	$status
		3445	}
		3446
2547	sub reload_regions {	3447	sub reload_regions {
		3448	# HACK to clear player env face cache, we need some signal framework
		3449	# for this (global event?)
		3450	%ext::player_env::MUSIC_FACE_CACHE = ();
		3451
2548	load_resource_file "$MAPDIR/regions"	3452	load_resource_file "$MAPDIR/regions"
2549	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 $_->{match};
		3458	}
2550	}	3459	}
2551		3460
2552	sub reload_facedata {	3461	sub reload_facedata {
2553	load_facedata "$DATADIR/facedata"	3462	load_facedata "$DATADIR/facedata"
2554	or die "unable to load facedata\n";	3463	or die "unable to load facedata\n";
…		…
2565	}	3474	}
2566		3475
2567	sub reload_resources {	3476	sub reload_resources {
2568	warn "reloading resource files...\n";	3477	warn "reloading resource files...\n";
2569		3478
2570	reload_regions;
2571	reload_facedata;	3479	reload_facedata;
2572	reload_archetypes;	3480	reload_archetypes;
		3481	reload_regions;
2573	reload_treasures;	3482	reload_treasures;
2574		3483
2575	warn "finished reloading resource files\n";	3484	warn "finished reloading resource files\n";
2576	}	3485	}
2577		3486
2578	sub init {	3487	sub reload_config {
2579	reload_resources;	3488	warn "reloading config file...\n";
2580	}
2581		3489
2582	sub cfg_load {
2583	open my $fh, "<:utf8", "$CONFDIR/config"	3490	open my $fh, "<:utf8", "$CONFDIR/config"
2584	or return;	3491	or return;
2585		3492
2586	local $/;	3493	local $/;
2587	*CFG = YAML::Syck::Load <$fh>;	3494	*CFG = YAML::XS::Load scalar <$fh>;
2588		3495
2589	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3496	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2590		3497
2591	$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};
2592	$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};
…		…
2596	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3503	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2597	and die "WARNING: m(un)lockall failed: $!\n";	3504	and die "WARNING: m(un)lockall failed: $!\n";
2598	};	3505	};
2599	warn $@ if $@;	3506	warn $@ if $@;
2600	}	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;
2601	}	3538	}
2602		3539
2603	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	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3549
2604	# we must not ever block the main coroutine	3550	# we must not ever block the main coroutine
2605	local $Coro::idle = sub {	3551	local $Coro::idle = sub {
2606	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3552	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2607	(async {	3553	(async {
2608	Event::one_event;	3554	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3555	EV::loop EV::LOOP_ONESHOT;
2609	})->prio (Coro::PRIO_MAX);	3556	})->prio (Coro::PRIO_MAX);
2610	};	3557	};
2611		3558
2612	cfg_load;	3559	evthread_start IO::AIO::poll_fileno;
		3560
		3561	cf::sync_job {
		3562	cf::init_experience;
		3563	cf::init_anim;
		3564	cf::init_attackmess;
		3565	cf::init_dynamic;
		3566
		3567	cf::load_settings;
		3568	cf::load_materials;
		3569
		3570	reload_resources;
		3571	reload_config;
2613	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
2614	load_extensions;	3582	load_extensions;
2615		3583
2616	$TICK_WATCHER->start;	3584	utime time, time, $RUNTIMEFILE;
2617	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;
2618	}	3594	}
2619		3595
2620	#############################################################################	3596	#############################################################################
2621	# initialisation and cleanup	3597	# initialisation and cleanup
2622		3598
2623	# install some emergency cleanup handlers	3599	# install some emergency cleanup handlers
2624	BEGIN {	3600	BEGIN {
		3601	our %SIGWATCHER = ();
2625	for my $signal (qw(INT HUP TERM)) {	3602	for my $signal (qw(INT HUP TERM)) {
2626	Event->signal (	3603	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2627	reentrant => 0,
2628	data => WF_AUTOCANCEL,
2629	signal => $signal,
2630	prio => 0,
2631	cb => sub {
2632	cf::cleanup "SIG$signal";	3604	cf::cleanup "SIG$signal";
2633	},
2634	);	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
2635	}	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 };
2636	}	3695	}
2637		3696
2638	sub emergency_save() {	3697	sub emergency_save() {
2639	my $freeze_guard = cf::freeze_mainloop;	3698	my $freeze_guard = cf::freeze_mainloop;
2640		3699
2641	warn "enter emergency perl save\n";	3700	warn "emergency_perl_save: enter\n";
2642		3701
2643	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
2644	# use a peculiar iteration method to avoid tripping on perl	3708	# use a peculiar iteration method to avoid tripping on perl
2645	# refcount bugs in for. also avoids problems with players	3709	# refcount bugs in for. also avoids problems with players
2646	# and maps saved/destroyed asynchronously.	3710	# and maps saved/destroyed asynchronously.
2647	warn "begin emergency player save\n";	3711	warn "emergency_perl_save: begin player save\n";
2648	for my $login (keys %cf::PLAYER) {	3712	for my $login (keys %cf::PLAYER) {
2649	my $pl = $cf::PLAYER{$login} or next;	3713	my $pl = $cf::PLAYER{$login} or next;
2650	$pl->valid or next;	3714	$pl->valid or next;
		3715	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2651	$pl->save;	3716	$pl->save;
2652	}	3717	}
2653	warn "end emergency player save\n";	3718	warn "emergency_perl_save: end player save\n";
2654		3719
2655	warn "begin emergency map save\n";	3720	warn "emergency_perl_save: begin map save\n";
2656	for my $path (keys %cf::MAP) {	3721	for my $path (keys %cf::MAP) {
2657	my $map = $cf::MAP{$path} or next;	3722	my $map = $cf::MAP{$path} or next;
2658	$map->valid or next;	3723	$map->valid or next;
2659	$map->save;	3724	$map->save;
2660	}	3725	}
2661	warn "end emergency map save\n";	3726	warn "emergency_perl_save: end map save\n";
2662		3727
2663	warn "begin emergency database checkpoint\n";	3728	warn "emergency_perl_save: begin database checkpoint\n";
2664	BDB::db_env_txn_checkpoint $DB_ENV;	3729	BDB::db_env_txn_checkpoint $DB_ENV;
2665	warn "end emergency database checkpoint\n";	3730	warn "emergency_perl_save: end database checkpoint\n";
		3731
		3732	warn "emergency_perl_save: begin write uuid\n";
		3733	write_uuid_sync 1;
		3734	warn "emergency_perl_save: end write uuid\n";
2666	};	3735	};
2667		3736
		3737	warn "emergency_perl_save: starting sync()\n";
		3738	IO::AIO::aio_sync sub {
		3739	warn "emergency_perl_save: finished sync()\n";
		3740	};
		3741
2668	warn "leave emergency perl save\n";	3742	warn "emergency_perl_save: leave\n";
2669	}	3743	}
2670		3744
2671	sub post_cleanup {	3745	sub post_cleanup {
2672	my ($make_core) = @_;	3746	my ($make_core) = @_;
2673		3747
2674	warn Carp::longmess "post_cleanup backtrace"	3748	warn Carp::longmess "post_cleanup backtrace"
2675	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#
2676	}	3779	}
2677		3780
2678	sub do_reload_perl() {	3781	sub do_reload_perl() {
2679	# can/must only be called in main	3782	# can/must only be called in main
2680	if ($Coro::current != $Coro::main) {	3783	if ($Coro::current != $Coro::main) {
2681	warn "can only reload from main coroutine";	3784	warn "can only reload from main coroutine";
2682	return;	3785	return;
2683	}	3786	}
2684		3787
		3788	return if $RELOAD++;
		3789
		3790	my $t1 = AE::time;
		3791
		3792	while ($RELOAD) {
2685	warn "reloading...";	3793	warn "reloading...";
2686		3794
2687	warn "entering sync_job";	3795	warn "entering sync_job";
2688		3796
2689	cf::sync_job {	3797	cf::sync_job {
2690	cf::write_runtime; # external watchdog should not bark	3798	cf::write_runtime_sync; # external watchdog should not bark
2691	cf::emergency_save;	3799	cf::emergency_save;
2692	cf::write_runtime; # external watchdog should not bark	3800	cf::write_runtime_sync; # external watchdog should not bark
2693		3801
2694	warn "syncing database to disk";	3802	warn "syncing database to disk";
2695	BDB::db_env_txn_checkpoint $DB_ENV;	3803	BDB::db_env_txn_checkpoint $DB_ENV;
2696		3804
2697	# 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
2698		3806
2699	warn "cancelling all WF_AUTOCANCEL watchers";
2700	for (Event::all_watchers) {
2701	$_->cancel if $_->data & WF_AUTOCANCEL;
2702	}
2703
2704	warn "flushing outstanding aio requests";	3807	warn "flushing outstanding aio requests";
2705	for (;;) {
2706	BDB::flush;
2707	IO::AIO::flush;
2708	Coro::cede;
2709	last unless IO::AIO::nreqs || BDB::nreqs;	3808	while (IO::AIO::nreqs || BDB::nreqs) {
2710	warn "iterate...";	3809	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2711	}
2712
2713	++$RELOAD;
2714
2715	warn "cancelling all extension coros";
2716	$_->cancel for values %EXT_CORO;
2717	%EXT_CORO = ();
2718
2719	warn "removing commands";
2720	%COMMAND = ();
2721
2722	warn "removing ext commands";
2723	%EXTCMD = ();
2724
2725	warn "unloading/nuking all extensions";
2726	for my $pkg (@EXTS) {
2727	warn "... unloading $pkg";
2728
2729	if (my $cb = $pkg->can ("unload")) {
2730	eval {
2731	$cb->($pkg);
2732	1
2733	} or warn "$pkg unloaded, but with errors: $@";
2734	}	3810	}
2735		3811
2736	warn "... nuking $pkg";	3812	warn "cancelling all extension coros";
2737	Symbol::delete_package $pkg;	3813	$_->cancel for values %EXT_CORO;
2738	}	3814	%EXT_CORO = ();
2739		3815
2740	warn "unloading all perl modules loaded from $LIBDIR";	3816	warn "removing commands";
2741	while (my ($k, $v) = each %INC) {	3817	%COMMAND = ();
2742	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2743		3818
		3819	warn "removing ext/exti commands";
		3820	%EXTCMD = ();
		3821	%EXTICMD = ();
		3822
		3823	warn "unloading/nuking all extensions";
		3824	for my $pkg (@EXTS) {
2744	warn "... unloading $k";	3825	warn "... unloading $pkg";
2745	delete $INC{$k};
2746		3826
2747	$k =~ s/\.pm$//;
2748	$k =~ s/\//::/g;
2749
2750	if (my $cb = $k->can ("unload_module")) {	3827	if (my $cb = $pkg->can ("unload")) {
		3828	eval {
2751	$cb->();	3829	$cb->($pkg);
		3830	1
		3831	} or warn "$pkg unloaded, but with errors: $@";
		3832	}
		3833
		3834	warn "... clearing $pkg";
		3835	clear_package $pkg;
2752	}	3836	}
2753		3837
2754	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;
2755	}	3853	}
2756		3854
2757	warn "getting rid of safe::, as good as possible";	3855	warn "getting rid of safe::, as good as possible";
2758	Symbol::delete_package "safe::$_"	3856	clear_package "safe::$_"
2759	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);
2760		3858
2761	warn "unloading cf.pm \"a bit\"";	3859	warn "unloading cf.pm \"a bit\"";
2762	delete $INC{"cf.pm"};	3860	delete $INC{"cf.pm"};
2763	delete $INC{"cf/pod.pm"};	3861	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2764		3862
2765	# don't, removes xs symbols, too,	3863	# don't, removes xs symbols, too,
2766	# and global variables created in xs	3864	# and global variables created in xs
2767	#Symbol::delete_package __PACKAGE__;	3865	#clear_package __PACKAGE__;
2768		3866
2769	warn "unload completed, starting to reload now";	3867	warn "unload completed, starting to reload now";
2770		3868
2771	warn "reloading cf.pm";	3869	warn "reloading cf.pm";
2772	require cf;	3870	require cf;
2773	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3871	cf::_connect_to_perl_1;
2774		3872
2775	warn "loading config and database again";	3873	warn "loading config and database again";
2776	cf::cfg_load;	3874	cf::reload_config;
2777		3875
2778	warn "loading extensions";	3876	warn "loading extensions";
2779	cf::load_extensions;	3877	cf::load_extensions;
2780		3878
		3879	if ($REATTACH_ON_RELOAD) {
2781	warn "reattaching attachments to objects/players";	3880	warn "reattaching attachments to objects/players";
2782	_global_reattach; # objects, sockets	3881	_global_reattach; # objects, sockets
2783	warn "reattaching attachments to maps";	3882	warn "reattaching attachments to maps";
2784	reattach $_ for values %MAP;	3883	reattach $_ for values %MAP;
2785	warn "reattaching attachments to players";	3884	warn "reattaching attachments to players";
2786	reattach $_ for values %PLAYER;	3885	reattach $_ for values %PLAYER;
		3886	}
2787		3887
		3888	warn "running post_init jobs";
		3889	(pop @POST_INIT)->(1) while @POST_INIT;
		3890
2788	warn "leaving sync_job";	3891	warn "leaving sync_job";
2789		3892
2790	1	3893	1
2791	} or do {	3894	} or do {
2792	warn $@;	3895	warn $@;
2793	warn "error while reloading, exiting.";	3896	cf::cleanup "error while reloading, exiting.";
2794	exit 1;
2795	};	3897	};
2796		3898
2797	warn "reloaded";	3899	warn "reloaded";
		3900	--$RELOAD;
		3901	}
		3902
		3903	$t1 = AE::time - $t1;
		3904	warn "reload completed in ${t1}s\n";
2798	};	3905	};
2799		3906
2800	our $RELOAD_WATCHER; # used only during reload	3907	our $RELOAD_WATCHER; # used only during reload
2801		3908
2802	sub reload_perl() {	3909	sub reload_perl() {
2803	# doing reload synchronously and two reloads happen back-to-back,	3910	# doing reload synchronously and two reloads happen back-to-back,
2804	# coro crashes during coro_state_free->destroy here.	3911	# coro crashes during coro_state_free->destroy here.
2805		3912
2806	$RELOAD_WATCHER ||= Event->timer (	3913	$RELOAD_WATCHER ||= cf::async {
2807	reentrant => 0,	3914	Coro::AIO::aio_wait cache_extensions;
2808	after => 0,	3915
2809	data => WF_AUTOCANCEL,	3916	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2810	cb => sub {
2811	do_reload_perl;	3917	do_reload_perl;
2812	undef $RELOAD_WATCHER;	3918	undef $RELOAD_WATCHER;
2813	},	3919	};
2814	);	3920	};
2815	}	3921	}
2816		3922
2817	register_command "reload" => sub {	3923	register_command "reload" => sub {
2818	my ($who, $arg) = @_;	3924	my ($who, $arg) = @_;
2819		3925
2820	if ($who->flag (FLAG_WIZ)) {	3926	if ($who->flag (FLAG_WIZ)) {
2821	$who->message ("reloading server.");	3927	$who->message ("reloading server.");
		3928	async {
		3929	$Coro::current->{desc} = "perl_reload";
2822	async { reload_perl };	3930	reload_perl;
		3931	};
2823	}	3932	}
2824	};	3933	};
2825		3934
2826	unshift @INC, $LIBDIR;	3935	unshift @INC, $LIBDIR;
2827		3936
…		…
2829		3938
2830	our @WAIT_FOR_TICK;	3939	our @WAIT_FOR_TICK;
2831	our @WAIT_FOR_TICK_BEGIN;	3940	our @WAIT_FOR_TICK_BEGIN;
2832		3941
2833	sub wait_for_tick {	3942	sub wait_for_tick {
2834	return unless $TICK_WATCHER->is_active;
2835	return if $Coro::current == $Coro::main;	3943	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2836		3944
2837	my $signal = new Coro::Signal;	3945	my $signal = new Coro::Signal;
2838	push @WAIT_FOR_TICK, $signal;	3946	push @WAIT_FOR_TICK, $signal;
2839	$signal->wait;	3947	$signal->wait;
2840	}	3948	}
2841		3949
2842	sub wait_for_tick_begin {	3950	sub wait_for_tick_begin {
2843	return unless $TICK_WATCHER->is_active;
2844	return if $Coro::current == $Coro::main;	3951	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2845		3952
2846	my $signal = new Coro::Signal;	3953	my $signal = new Coro::Signal;
2847	push @WAIT_FOR_TICK_BEGIN, $signal;	3954	push @WAIT_FOR_TICK_BEGIN, $signal;
2848	$signal->wait;	3955	$signal->wait;
2849	}	3956	}
2850		3957
2851	$TICK_WATCHER = Event->timer (	3958	sub tick {
2852	reentrant => 0,
2853	parked => 1,
2854	prio => 0,
2855	at => $NEXT_TICK || $TICK,
2856	data => WF_AUTOCANCEL,
2857	cb => sub {
2858	if ($Coro::current != $Coro::main) {	3959	if ($Coro::current != $Coro::main) {
2859	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"
2860	unless ++$bug_warning > 10;	3961	unless ++$bug_warning > 10;
2861	return;	3962	return;
2862	}	3963	}
2863		3964
2864	$NOW = $tick_start = Event::time;
2865
2866	cf::server_tick; # one server iteration	3965	cf::server_tick; # one server iteration
2867		3966
2868	$RUNTIME += $TICK;	3967	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2869	$NEXT_TICK += $TICK;
2870		3968
2871	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3969	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2872	$NEXT_RUNTIME_WRITE = $NOW + 10;	3970	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2873	Coro::async_pool {	3971	Coro::async_pool {
		3972	$Coro::current->{desc} = "runtime saver";
2874	write_runtime	3973	write_runtime_sync
2875	or warn "ERROR: unable to write runtime file: $!";	3974	or warn "ERROR: unable to write runtime file: $!";
2876	};
2877	}	3975	};
		3976	}
2878		3977
2879	# my $AFTER = Event::time;
2880	# warn $AFTER - $NOW;#d#
2881
2882	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3978	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2883	$sig->send;	3979	$sig->send;
2884	}	3980	}
2885	while (my $sig = shift @WAIT_FOR_TICK) {	3981	while (my $sig = shift @WAIT_FOR_TICK) {
2886	$sig->send;	3982	$sig->send;
2887	}	3983	}
2888		3984
2889	$NOW = Event::time;	3985	$LOAD = ($NOW - $TICK_START) / $TICK;
2890
2891	# if we are delayed by four ticks or more, skip them all
2892	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2893
2894	$TICK_WATCHER->at ($NEXT_TICK);
2895	$TICK_WATCHER->start;
2896
2897	$LOAD = ($NOW - $tick_start) / $TICK;
2898	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3986	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2899		3987
2900	_post_tick;	3988	if (0) {
2901		3989	if ($NEXT_TICK) {
2902		3990	my $jitter = $TICK_START - $NEXT_TICK;
		3991	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3992	warn "jitter $JITTER\n";#d#
		3993	}
2903	},	3994	}
2904	);	3995	}
2905		3996
2906	{	3997	{
2907	BDB::max_poll_time $TICK * 0.1;	3998	# configure BDB
2908	$BDB_POLL_WATCHER = Event->io (	3999
2909	reentrant => 0,
2910	fd => BDB::poll_fileno,
2911	poll => 'r',
2912	prio => 0,
2913	data => WF_AUTOCANCEL,
2914	cb => \&BDB::poll_cb,
2915	);
2916	BDB::min_parallel 8;	4000	BDB::min_parallel 16;
2917		4001	BDB::max_poll_reqs $TICK * 0.1;
2918	BDB::set_sync_prepare {	4002	$AnyEvent::BDB::WATCHER->priority (1);
2919	my $status;
2920	my $current = $Coro::current;
2921	(
2922	sub {
2923	$status = $!;
2924	$current->ready; undef $current;
2925	},
2926	sub {
2927	Coro::schedule while defined $current;
2928	$! = $status;
2929	},
2930	)
2931	};
2932		4003
2933	unless ($DB_ENV) {	4004	unless ($DB_ENV) {
2934	$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);
2935		4011
2936	cf::sync_job {	4012	cf::sync_job {
2937	eval {	4013	eval {
2938	BDB::db_env_open	4014	BDB::db_env_open
2939	$DB_ENV,	4015	$DB_ENV,
…		…
2941	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
2942	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4018	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2943	0666;	4019	0666;
2944		4020
2945	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4021	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2946
2947	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2948	$DB_ENV->set_lk_detect;
2949	};	4022	};
2950		4023
2951	cf::cleanup "db_env_open(db): $@" if $@;	4024	cf::cleanup "db_env_open(db): $@" if $@;
2952	};	4025	};
2953	}	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	};
2954	}	4037	}
2955		4038
2956	{	4039	{
		4040	# configure IO::AIO
		4041
2957	IO::AIO::min_parallel 8;	4042	IO::AIO::min_parallel 8;
2958
2959	undef $Coro::AIO::WATCHER;
2960	IO::AIO::max_poll_time $TICK * 0.1;	4043	IO::AIO::max_poll_time $TICK * 0.1;
2961	$AIO_POLL_WATCHER = Event->io (	4044	undef $AnyEvent::AIO::WATCHER;
2962	reentrant => 0,
2963	data => WF_AUTOCANCEL,
2964	fd => IO::AIO::poll_fileno,
2965	poll => 'r',
2966	prio => 6,
2967	cb => \&IO::AIO::poll_cb,
2968	);
2969	}	4045	}
2970		4046
2971	my $_log_backtrace;	4047	my $_log_backtrace;
2972		4048
2973	sub _log_backtrace {	4049	sub _log_backtrace {
…		…
2976	$msg =~ s/\n//;	4052	$msg =~ s/\n//;
2977		4053
2978	# limit the # of concurrent backtraces	4054	# limit the # of concurrent backtraces
2979	if ($_log_backtrace < 2) {	4055	if ($_log_backtrace < 2) {
2980	++$_log_backtrace;	4056	++$_log_backtrace;
		4057	my $perl_bt = Carp::longmess $msg;
2981	async {	4058	async {
		4059	$Coro::current->{desc} = "abt $msg";
		4060
2982	my @bt = fork_call {	4061	my @bt = fork_call {
2983	@addr = map { sprintf "%x", $_ } @addr;	4062	@addr = map { sprintf "%x", $_ } @addr;
2984	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4063	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2985	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 |"
2986	or die "addr2line: $!";	4065	or die "addr2line: $!";
…		…
2994	}	4073	}
2995		4074
2996	@funcs	4075	@funcs
2997	};	4076	};
2998		4077
2999	LOG llevInfo, "[ABT] $msg\n";	4078	LOG llevInfo, "[ABT] $perl_bt\n";
		4079	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3000	LOG llevInfo, "[ABT] $_\n" for @bt;	4080	LOG llevInfo, "[ABT] $_\n" for @bt;
3001	--$_log_backtrace;	4081	--$_log_backtrace;
3002	};	4082	};
3003	} else {	4083	} else {
3004	LOG llevInfo, "[ABT] $msg\n";	4084	LOG llevInfo, "[ABT] $msg\n";
3005	LOG llevInfo, "[ABT] [suppressed]\n";	4085	LOG llevInfo, "[ABT] [suppressed]\n";
3006	}	4086	}
3007	}	4087	}
3008		4088
3009	# load additional modules	4089	# load additional modules
3010	use cf::pod;	4090	require "cf/$_.pm" for @EXTRA_MODULES;
		4091	cf::_connect_to_perl_2;
3011		4092
3012	END { cf::emergency_save }	4093	END { cf::emergency_save }
3013		4094
3014	1	4095	1
3015		4096

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