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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.260 by root, Fri Apr 27 19:53:05 2007 UTC vs.
Revision 1.519 by root, Fri Apr 16 02:32:25 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
		55	use JSON::XS 2.01 ();
25	use BDB ();	56	use BDB ();
26	use Data::Dumper;	57	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	58	use Fcntl;
29	use YAML::Syck ();	59	use YAML::XS ();
30	use IO::AIO 2.32 ();	60	use IO::AIO ();
31	use Time::HiRes;	61	use Time::HiRes;
32	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
33		66
34	# configure various modules to our taste	67	# configure various modules to our taste
35	#	68	#
36	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		77
40	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
41		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		80
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $OUTPUT_RATE_MIN = 4000;
		114	our $OUTPUT_RATE_MAX = 100000;
71		115
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	118	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	123	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
82		127
83	our %CFG;	128	our %CFG;
84		129
85	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
87		133
88	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
91		137
92	# used to convert map paths into valid unix filenames by replacing / by ∕	138	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		140
		141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
		144	our $TICK_START; # for load detecting purposes
		145
		146	our @POST_INIT;
		147
		148	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		149	our $REALLY_UNLOOP; # never set to true, please :)
		150
95	binmode STDOUT;	151	binmode STDOUT;
96	binmode STDERR;	152	binmode STDERR;
97		153
98	# read virtual server time, if available	154	# read virtual server time, if available
99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
100	open my $fh, "<", "$LOCALDIR/runtime"	156	open my $fh, "<", $RUNTIMEFILE
101	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
102	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
103	}	159	}
		160
		161	eval "sub TICK() { $TICK } 1" or die;
104		162
105	mkdir $_	163	mkdir $_
106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
107		165
108	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
109		167
110	sub cf::map::normalise;	168	sub cf::map::normalise;
		169
		170	#############################################################################
		171
		172	%REFLECT = ();
		173	for (@REFLECT) {
		174	my $reflect = JSON::XS::decode_json $_;
		175	$REFLECT{$reflect->{class}} = $reflect;
		176	}
		177
		178	# this is decidedly evil
		179	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
111		180
112	#############################################################################	181	#############################################################################
113		182
114	=head2 GLOBAL VARIABLES	183	=head2 GLOBAL VARIABLES
115		184
…		…
139		208
140	=item $cf::TICK	209	=item $cf::TICK
141		210
142	The interval between server ticks, in seconds.	211	The interval between server ticks, in seconds.
143		212
		213	=item $cf::LOADAVG
		214
		215	The current CPU load on the server (alpha-smoothed), as a value between 0
		216	(none) and 1 (overloaded), indicating how much time is spent on processing
		217	objects per tick. Healthy values are < 0.5.
		218
		219	=item $cf::LOAD
		220
		221	The raw value load value from the last tick.
		222
144	=item %cf::CFG	223	=item %cf::CFG
145		224
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	225	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	226	from wherever your confdir points to.
148		227
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	228	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		229
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	230	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152	returns directly I<after> the tick processing (and consequently, can only wake one process	231	returns directly I<after> the tick processing (and consequently, can only wake one process
153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	232	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		233
		234	=item @cf::INVOKE_RESULTS
		235
		236	This array contains the results of the last C<invoke ()> call. When
		237	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		238	that call.
		239
		240	=item %cf::REFLECT
		241
		242	Contains, for each (C++) class name, a hash reference with information
		243	about object members (methods, scalars, arrays and flags) and other
		244	metadata, which is useful for introspection.
		245
155	=back	246	=back
156		247
157	=cut	248	=cut
158		249
159	BEGIN {	250	$Coro::State::WARNHOOK = sub {
160	*CORE::GLOBAL::warn = sub {
161	my $msg = join "", @_;	251	my $msg = join "", @_;
162		252
163	$msg .= "\n"	253	$msg .= "\n"
164	unless $msg =~ /\n$/;	254	unless $msg =~ /\n$/;
165		255
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	256	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		257
168	utf8::encode $msg;
169	LOG llevError, $msg;	258	LOG llevError, $msg;
170	};	259	};
171	}	260
		261	$Coro::State::DIEHOOK = sub {
		262	return unless $^S eq 0; # "eq", not "=="
		263
		264	warn Carp::longmess $_[0];
		265
		266	if ($Coro::current == $Coro::main) {#d#
		267	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		268	return;#d#
		269	}#d#
		270
		271	# kill coroutine otherwise
		272	Coro::terminate
		273	};
172		274
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	275	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	276	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	277	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	278	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	279	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		280	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	281	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		282
180	# we bless all objects into (empty) derived classes to force a method lookup	283	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	284	# within the Safe compartment.
182	for my $pkg (qw(	285	for my $pkg (qw(
183	cf::global cf::attachable	286	cf::global cf::attachable
184	cf::object cf::object::player	287	cf::object cf::object::player
185	cf::client cf::player	288	cf::client cf::player
186	cf::arch cf::living	289	cf::arch cf::living
		290	cf::map cf::mapspace
187	cf::map cf::party cf::region	291	cf::party cf::region
188	)) {	292	)) {
189	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	293	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	294	}
192		295
193	$Event::DIED = sub {	296	$EV::DIED = sub {
194	warn "error in event callback: @_";	297	Carp::cluck "error in event callback: @_";
195	};	298	};
		299
		300	#############################################################################
196		301
197	=head2 UTILITY FUNCTIONS	302	=head2 UTILITY FUNCTIONS
198		303
199	=over 4	304	=over 4
200		305
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	324	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	325	$d
221	} || "[unable to dump $_[0]: '$@']";	326	} || "[unable to dump $_[0]: '$@']";
222	}	327	}
223		328
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	329	=item $ref = cf::decode_json $json
227		330
228	Converts a JSON string into the corresponding perl data structure.	331	Converts a JSON string into the corresponding perl data structure.
229		332
230	=item $json = cf::to_json $ref	333	=item $json = cf::encode_json $ref
231		334
232	Converts a perl data structure into its JSON representation.	335	Converts a perl data structure into its JSON representation.
233		336
		337	=cut
		338
		339	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		340
		341	sub encode_json($) { $json_coder->encode ($_[0]) }
		342	sub decode_json($) { $json_coder->decode ($_[0]) }
		343
		344	=item cf::post_init { BLOCK }
		345
		346	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		347	but I<before> the server starts ticking again.
		348
		349	The cdoeblock will have a single boolean argument to indicate whether this
		350	is a reload or not.
		351
		352	=cut
		353
		354	sub post_init(&) {
		355	push @POST_INIT, shift;
		356	}
		357
234	=item cf::lock_wait $string	358	=item cf::lock_wait $string
235		359
236	Wait until the given lock is available. See cf::lock_acquire.	360	Wait until the given lock is available. See cf::lock_acquire.
237		361
238	=item my $lock = cf::lock_acquire $string	362	=item my $lock = cf::lock_acquire $string
239		363
240	Wait until the given lock is available and then acquires it and returns	364	Wait until the given lock is available and then acquires it and returns
241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	365	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
242	for example when the coroutine gets canceled), the lock is automatically	366	for example when the coroutine gets canceled), the lock is automatically
243	returned.	367	returned.
244		368
		369	Locks are *not* recursive, locking from the same coro twice results in a
		370	deadlocked coro.
		371
245	Lock names should begin with a unique identifier (for example, cf::map::find	372	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	373	uses map_find and cf::map::load uses map_load).
247		374
248	=item $locked = cf::lock_active $string	375	=item $locked = cf::lock_active $string
249		376
250	Return true if the lock is currently active, i.e. somebody has locked it.	377	Return true if the lock is currently active, i.e. somebody has locked it.
251		378
252	=cut	379	=cut
253		380
254	our %LOCK;	381	our $LOCKS = new Coro::SemaphoreSet;
255		382
256	sub lock_wait($) {	383	sub lock_wait($) {
257	my ($key) = @_;	384	$LOCKS->wait ($_[0]);
258
259	# wait for lock, if any
260	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;
263	}
264	}	385	}
265		386
266	sub lock_acquire($) {	387	sub lock_acquire($) {
267	my ($key) = @_;	388	$LOCKS->guard ($_[0])
268
269	# wait, to be sure we are not locked
270	lock_wait $key;
271
272	$LOCK{$key} = [];
273
274	Coro::guard {
275	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };
277	}
278	}	389	}
279		390
280	sub lock_active($) {	391	sub lock_active($) {
281	my ($key) = @_;	392	$LOCKS->count ($_[0]) < 1
282
283	! ! $LOCK{$key}
284	}	393	}
285		394
286	sub freeze_mainloop {	395	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	396	tick_inhibit_inc;
288		397
289	my $guard = Coro::guard {	398	&Guard::guard (\&tick_inhibit_dec);
290	$TICK_WATCHER->start;	399	}
		400
		401	=item cf::periodic $interval, $cb
		402
		403	Like EV::periodic, but randomly selects a starting point so that the actions
		404	get spread over time.
		405
		406	=cut
		407
		408	sub periodic($$) {
		409	my ($interval, $cb) = @_;
		410
		411	my $start = rand List::Util::min 180, $interval;
		412
		413	EV::periodic $start, $interval, 0, $cb
		414	}
		415
		416	=item cf::get_slot $time[, $priority[, $name]]
		417
		418	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		419	This call blocks and returns only when you have at least C<$time> seconds
		420	of cpu time till the next tick. The slot is only valid till the next cede.
		421
		422	The optional C<$name> can be used to identify the job to run. It might be
		423	used for statistical purposes and should identify the same time-class.
		424
		425	Useful for short background jobs.
		426
		427	=cut
		428
		429	our @SLOT_QUEUE;
		430	our $SLOT_QUEUE;
		431	our $SLOT_DECAY = 0.9;
		432
		433	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		434	$SLOT_QUEUE = Coro::async {
		435	$Coro::current->desc ("timeslot manager");
		436
		437	my $signal = new Coro::Signal;
		438	my $busy;
		439
		440	while () {
		441	next_job:
		442
		443	my $avail = cf::till_tick;
		444
		445	for (0 .. $#SLOT_QUEUE) {
		446	if ($SLOT_QUEUE[$_][0] <= $avail) {
		447	$busy = 0;
		448	my $job = splice @SLOT_QUEUE, $_, 1, ();
		449	$job->[2]->send;
		450	Coro::cede;
		451	goto next_job;
		452	} else {
		453	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		454	}
		455	}
		456
		457	if (@SLOT_QUEUE) {
		458	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		459	push @cf::WAIT_FOR_TICK, $signal;
		460	$signal->wait;
		461	} else {
		462	$busy = 0;
		463	Coro::schedule;
		464	}
291	};	465	}
292	$TICK_WATCHER->stop;	466	};
293	$guard	467
		468	sub get_slot($;$$) {
		469	return if tick_inhibit || $Coro::current == $Coro::main;
		470
		471	my ($time, $pri, $name) = @_;
		472
		473	$time = clamp $time, 0.01, $TICK * .6;
		474
		475	my $sig = new Coro::Signal;
		476
		477	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		478	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		479	$SLOT_QUEUE->ready;
		480	$sig->wait;
294	}	481	}
295		482
296	=item cf::async { BLOCK }	483	=item cf::async { BLOCK }
297		484
298	Currently the same as Coro::async_pool, meaning you cannot use	485	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		490
304	BEGIN { *async = \&Coro::async_pool }	491	BEGIN { *async = \&Coro::async_pool }
305		492
306	=item cf::sync_job { BLOCK }	493	=item cf::sync_job { BLOCK }
307		494
308	The design of crossfire+ requires that the main coro ($Coro::main) is	495	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	496	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	497	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		498	acceptable.
311		499
312	If it must be done, put the blocking parts into C<sync_job>. This will run	500	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	501	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	502	server will be frozen during this time, so the block should either finish
315	fast or be very important.	503	fast or be very important.
…		…
318		506
319	sub sync_job(&) {	507	sub sync_job(&) {
320	my ($job) = @_;	508	my ($job) = @_;
321		509
322	if ($Coro::current == $Coro::main) {	510	if ($Coro::current == $Coro::main) {
		511	my $time = AE::time;
		512
323	# this is the main coro, too bad, we have to block	513	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	514	# till the operation succeeds, freezing the server :/
325		515
326	# TODO: use suspend/resume instead	516	LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	517
328	my $freeze_guard = freeze_mainloop;	518	my $freeze_guard = freeze_mainloop;
329		519
330	my $busy = 1;	520	my $busy = 1;
331	my @res;	521	my @res;
332		522
333	(async {	523	(async {
		524	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	525	@res = eval { $job->() };
335	warn $@ if $@;	526	warn $@ if $@;
336	undef $busy;	527	undef $busy;
337	})->prio (Coro::PRIO_MAX);	528	})->prio (Coro::PRIO_MAX);
338		529
339	while ($busy) {	530	while ($busy) {
340	Coro::cede or Event::one_event;	531	if (Coro::nready) {
		532	Coro::cede_notself;
		533	} else {
		534	EV::loop EV::LOOP_ONESHOT;
341	}	535	}
		536	}
		537
		538	my $time = AE::time - $time;
		539
		540	$TICK_START += $time; # do not account sync jobs to server load
342		541
343	wantarray ? @res : $res[0]	542	wantarray ? @res : $res[0]
344	} else {	543	} else {
345	# we are in another coroutine, how wonderful, everything just works	544	# we are in another coroutine, how wonderful, everything just works
346		545
…		…
366	$EXT_CORO{$coro+0} = $coro;	565	$EXT_CORO{$coro+0} = $coro;
367		566
368	$coro	567	$coro
369	}	568	}
370		569
371	sub write_runtime {	570	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		571
374	my $runtime = "$LOCALDIR/runtime";	572	Executes the given code block with the given arguments in a seperate
		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.
375		576
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	577	=cut
377	or return;
378		578
379	my $value = $cf::RUNTIME + 90 + 10;	579	sub fork_call(&@) {
380	# 10 is the runtime save interval, for a monotonic clock	580	my ($cb, @args) = @_;
381	# 60 allows for the watchdog to kill the server.
382		581
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	582	# we seemingly have to make a local copy of the whole thing,
384	and return;	583	# otherwise perl prematurely frees the stuff :/
		584	# TODO: investigate and fix (likely this will be rather laborious)
385		585
386	# always fsync - this file is important	586	my @res = Coro::Util::fork_eval {
387	aio_fsync $fh	587	reset_signals;
388	and return;	588	&$cb
		589	}, @args;
389		590
390	close $fh	591	wantarray ? @res : $res[-1]
391	or return;	592	}
392		593
393	aio_rename "$runtime~", $runtime	594	sub objinfo {
394	and return;
395
396	1	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 $!;
		659	};
		660	cf::cleanup "db_open(db): $@" if $@;
		661
		662	$db
		663	}
		664
		665	our $DB;
		666
		667	sub db_init {
		668	cf::sync_job {
		669	$DB ||= db_table "db";
		670	};
		671	}
		672
		673	sub db_get($$) {
		674	my $key = "$_[0]/$_[1]";
		675
		676	cf::sync_job {
		677	BDB::db_get $DB, undef, $key, my $data;
		678
		679	$! ? ()
		680	: $data
		681	}
		682	}
		683
		684	sub db_put($$$) {
		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"
397	}	757	}
398		758
399	=item cf::datalog type => key => value, ...	759	=item cf::datalog type => key => value, ...
400		760
401	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.
…		…
413		773
414	#############################################################################	774	#############################################################################
415		775
416	=head2 ATTACHABLE OBJECTS	776	=head2 ATTACHABLE OBJECTS
417		777
418	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
419	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")
420	to it. All such attachable objects support the following methods.	780	to it. All such attachable objects support the following methods.
421		781
422	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>
423	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
424	crossfire+).	784	Deliantra).
425		785
426	=over 4	786	=over 4
427		787
428	=item $attachable->attach ($attachment, key => $value...)	788	=item $attachable->attach ($attachment, key => $value...)
429		789
…		…
473	=item cf::CLASS::attachment $name, ...	833	=item cf::CLASS::attachment $name, ...
474		834
475	Register an attachment by C<$name> through which attachable objects of the	835	Register an attachment by C<$name> through which attachable objects of the
476	given CLASS can refer to this attachment.	836	given CLASS can refer to this attachment.
477		837
478	Some classes such as crossfire maps and objects can specify attachments	838	Some classes such as deliantra maps and objects can specify attachments
479	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.
480		840
481	These calls expect any number of the following handler/hook descriptions:	841	These calls expect any number of the following handler/hook descriptions:
482		842
483	=over 4	843	=over 4
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	952	$registry = $CB_TYPE[$object_type] ||= [];
593		953
594	} elsif ($type eq "subtype") {	954	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	955	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	956	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	957	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		958
599	} elsif ($type eq "package") {	959	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	960	my $pkg = shift @arg;
601		961
602	while (my ($name, $id) = each %cb_id) {	962	while (my ($name, $id) = each %cb_id) {
…		…
631	_attach $registry, $klass, @attach;	991	_attach $registry, $klass, @attach;
632	}	992	}
633		993
634	$obj->{$name} = \%arg;	994	$obj->{$name} = \%arg;
635	} else {	995	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	996	warn "object uses attachment '$name' which is not available, postponing.\n";
637	}	997	}
638		998
639	$obj->{_attachment}{$name} = undef;	999	$obj->{_attachment}{$name} = undef;
640	}	1000	}
641		1001
…		…
643	if (ref $_[0]) {	1003	if (ref $_[0]) {
644	_object_attach @_;	1004	_object_attach @_;
645	} else {	1005	} else {
646	_attach shift->_attach_registry, @_;	1006	_attach shift->_attach_registry, @_;
647	}	1007	}
		1008	_recalc_want;
648	};	1009	};
649		1010
650	# all those should be optimised	1011	# all those should be optimised
651	sub cf::attachable::detach {	1012	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	1013	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	1016	delete $obj->{_attachment}{$name};
656	reattach ($obj);	1017	reattach ($obj);
657	} else {	1018	} else {
658	Carp::croak "cannot, currently, detach class attachments";	1019	Carp::croak "cannot, currently, detach class attachments";
659	}	1020	}
		1021	_recalc_want;
660	};	1022	};
661		1023
662	sub cf::attachable::attached {	1024	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	1025	my ($obj, $name) = @_;
664		1026
…		…
679	";	1041	";
680	die if $@;	1042	die if $@;
681	}	1043	}
682		1044
683	our $override;	1045	our $override;
684	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?
685		1047
686	sub override {	1048	sub override {
687	$override = 1;	1049	$override = 1;
688	@invoke_results = ();	1050	@INVOKE_RESULTS = (@_);
689	}	1051	}
690		1052
691	sub do_invoke {	1053	sub do_invoke {
692	my $event = shift;	1054	my $event = shift;
693	my $callbacks = shift;	1055	my $callbacks = shift;
694		1056
695	@invoke_results = ();	1057	@INVOKE_RESULTS = ();
696		1058
697	local $override;	1059	local $override;
698		1060
699	for (@$callbacks) {	1061	for (@$callbacks) {
700	eval { &{$_->[1]} };	1062	eval { &{$_->[1]} };
…		…
709	}	1071	}
710		1072
711	0	1073	0
712	}	1074	}
713		1075
714	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1076	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715		1077
716	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1078	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717		1079
718	Generate an object-specific event with the given arguments.	1080	Generate an object-specific event with the given arguments.
719		1081
720	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
721	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
722	results (if you must, access C<@cf::invoke_results> directly).	1084	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		1085
724	=back	1086	=back
725		1087
726	=cut	1088	=cut
727		1089
728	#############################################################################	1090	#############################################################################
729	# 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, $ob2
		1133	}
730		1134
731	sub reattach {	1135	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	1136	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	1137	my ($obj) = @_;
734		1138
		1139	# no longer needed after getting rid of delete_package?
735	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
736		1141
737	my $registry = $obj->registry;	1142	my $registry = $obj->registry;
738		1143
739	@$registry = ();	1144	@$registry = ();
740		1145
…		…
755	cf::attachable->attach (	1160	cf::attachable->attach (
756	prio => -1000000,	1161	prio => -1000000,
757	on_instantiate => sub {	1162	on_instantiate => sub {
758	my ($obj, $data) = @_;	1163	my ($obj, $data) = @_;
759		1164
760	$data = from_json $data;	1165	$data = decode_json $data;
761		1166
762	for (@$data) {	1167	for (@$data) {
763	my ($name, $args) = @$_;	1168	my ($name, $args) = @$_;
764		1169
765	$obj->attach ($name, %{$args || {} });	1170	$obj->attach ($name, %{$args || {} });
…		…
781	sub object_freezer_save {	1186	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1187	my ($filename, $rdata, $objs) = @_;
783		1188
784	sync_job {	1189	sync_job {
785	if (length $$rdata) {	1190	if (length $$rdata) {
		1191	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1192	warn sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1193	$decname, length $$rdata, scalar @$objs;
788		1194
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1195	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1196	aio_chmod $fh, SAVE_MODE;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1197	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	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	}
793	close $fh;	1202	aio_close $fh;
794		1203
795	if (@$objs) {	1204	if (@$objs) {
796	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) {
797	chmod SAVE_MODE, $fh;	1206	aio_chmod $fh, SAVE_MODE;
798	my $data = Storable::nfreeze { version => 1, objs => $objs };	1207	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799	aio_write $fh, 0, (length $data), $data, 0;	1208	aio_write $fh, 0, (length $data), $data, 0;
800	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	}
801	close $fh;	1213	aio_close $fh;
802	aio_rename "$filename.pst~", "$filename.pst";	1214	aio_rename "$filename.pst~", "$filename.pst";
803	}	1215	}
804	} else {	1216	} else {
805	aio_unlink "$filename.pst";	1217	aio_unlink "$filename.pst";
806	}	1218	}
807		1219
808	aio_rename "$filename~", $filename;	1220	aio_rename "$filename~", $filename;
		1221
		1222	$filename =~ s%/[^/]+$%%;
		1223	aio_pathsync $filename if $cf::USE_FSYNC;
809	} else {	1224	} else {
810	warn "FATAL: $filename~: $!\n";	1225	warn "unable to save objects: $filename~: $!\n";
811	}	1226	}
812	} else {	1227	} else {
813	aio_unlink $filename;	1228	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1229	aio_unlink "$filename.pst";
815	}	1230	}
816	}	1231	};
817	}	1232	}
818		1233
819	sub object_freezer_as_string {	1234	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1235	my ($rdata, $objs) = @_;
821		1236
…		…
833	or return;	1248	or return;
834		1249
835	unless (aio_stat "$filename.pst") {	1250	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1251	(aio_load "$filename.pst", $av) >= 0
837	or return;	1252	or return;
		1253
838	$av = eval { (Storable::thaw $av)->{objs} };	1254	my $st = eval { Coro::Storable::thaw $av };
		1255	$av = $st->{objs};
839	}	1256	}
840		1257
		1258	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1259	warn sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1260	$decname, length $data, scalar @{$av || []};
		1261
843	return ($data, $av);	1262	($data, $av)
844	}	1263	}
		1264
		1265	=head2 COMMAND CALLBACKS
		1266
		1267	=over 4
		1268
		1269	=cut
845		1270
846	#############################################################################	1271	#############################################################################
847	# command handling &c	1272	# command handling &c
848		1273
849	=item cf::register_command $name => \&callback($ob,$args);	1274	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1287	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1288	}
864		1289
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1290	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1291
867	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.
868		1297
869	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
870	called.	1299	called.
871		1300
		1301	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1302
		1303	Register a callback for execution when the client sends an (asynchronous)
		1304	exticmd packet. Exti commands are processed by the server as soon as they
		1305	are received, i.e. out of order w.r.t. other commands. The first argument
		1306	is a client socket. Exti commands can be received anytime, even before
		1307	log-in.
		1308
		1309	If the callback returns something, it is sent back as if reply was being
		1310	called.
		1311
872	=cut	1312	=cut
873		1313
874	sub register_extcmd {	1314	sub register_extcmd {
875	my ($name, $cb) = @_;	1315	my ($name, $cb) = @_;
876		1316
877	$EXTCMD{$name} = $cb;	1317	$EXTCMD{$name} = $cb;
878	}	1318	}
879		1319
		1320	sub register_exticmd {
		1321	my ($name, $cb) = @_;
		1322
		1323	$EXTICMD{$name} = $cb;
		1324	}
		1325
		1326	use File::Glob ();
		1327
880	cf::player->attach (	1328	cf::player->attach (
881	on_command => sub {	1329	on_unknown_command => sub {
882	my ($pl, $name, $params) = @_;	1330	my ($pl, $name, $params) = @_;
883		1331
884	my $cb = $COMMAND{$name}	1332	my $cb = $COMMAND{$name}
885	or return;	1333	or return;
886		1334
…		…
891	cf::override;	1339	cf::override;
892	},	1340	},
893	on_extcmd => sub {	1341	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1342	my ($pl, $buf) = @_;
895		1343
896	my $msg = eval { from_json $buf };	1344	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1345
898	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
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1354	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1355	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1356	}
		1357
		1358	$pl->ext_reply ($reply, @reply)
		1359	if $reply;
		1360
904	} else {	1361	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1362	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1363	}
907		1364
908	cf::override;	1365	cf::override;
909	},	1366	},
910	);	1367	);
911		1368
		1369	# "readahead" all extensions
912	sub load_extension {	1370	sub cache_extensions {
913	my ($path) = @_;	1371	my $grp = IO::AIO::aio_group;
914		1372
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1373	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
916	my $base = $1;	1374	for (grep /\.ext$/, @{$_[0]}) {
917	my $pkg = $1;	1375	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
918	$pkg =~ s/[^[:word:]]/_/g;
919	$pkg = "ext::$pkg";
920
921	warn "... loading '$path' into '$pkg'\n";
922
923	open my $fh, "<:utf8", $path
924	or die "$path: $!";
925
926	my $source =
927	"package $pkg; use strict; use utf8;\n"
928	. "#line 1 \"$path\"\n{\n"
929	. (do { local $/; <$fh> })
930	. "\n};\n1";
931
932	unless (eval $source) {
933	my $msg = $@ ? "$path: $@\n"
934	: "extension disabled.\n";
935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936	warn $@;
937	warn "mandatory extension failed to load, exiting.\n";
938	exit 1;
939	}	1376	}
940	die $@;
941	}	1377	};
942		1378
943	push @EXTS, $pkg;	1379	$grp
944	}	1380	}
945		1381
946	sub load_extensions {	1382	sub load_extensions {
		1383	cf::sync_job {
		1384	my %todo;
		1385
947	for my $ext (<$LIBDIR/*.ext>) {	1386	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1387	next unless -r $path;
949	eval {	1388
950	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 $active;
		1448	}
951	1	1449	}
952	} or warn "$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	}
953	}	1460	};
954	}	1461	}
955		1462
956	#############################################################################	1463	#############################################################################
957		1464
		1465	=back
		1466
958	=head2 CORE EXTENSIONS	1467	=head2 CORE EXTENSIONS
959		1468
960	Functions and methods that extend core crossfire objects.	1469	Functions and methods that extend core deliantra objects.
961		1470
962	=cut	1471	=cut
963		1472
964	package cf::player;	1473	package cf::player;
965		1474
966	use Coro::AIO;	1475	use Coro::AIO;
967		1476
968	=head3 cf::player	1477	=head3 cf::player
969		1478
970	=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	}
971		1494
972	=item cf::player::find $login	1495	=item cf::player::find $login
973		1496
974	Returns the given player object, loading it if necessary (might block).	1497	Returns the given player object, loading it if necessary (might block).
975		1498
…		…
994		1517
995	sub exists($) {	1518	sub exists($) {
996	my ($login) = @_;	1519	my ($login) = @_;
997		1520
998	$cf::PLAYER{$login}	1521	$cf::PLAYER{$login}
999	or cf::sync_job { !aio_stat path $login }	1522	or !aio_stat path $login
1000	}	1523	}
1001		1524
1002	sub find($) {	1525	sub find($) {
1003	return $cf::PLAYER{$_[0]} || do {	1526	return $cf::PLAYER{$_[0]} || do {
1004	my $login = $_[0];	1527	my $login = $_[0];
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1534	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1535	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1536	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1537	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1538
1016	my $pl = load_pl path $login	1539	my $f = new_from_file cf::object::thawer path $login
1017	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;
1018	$cf::PLAYER{$login} = $pl	1547	$cf::PLAYER{$login} = $pl
1019	}	1548	}
1020	}	1549	}
1021	}	1550	}
		1551
		1552	cf::player->attach (
		1553	on_load => sub {
		1554	my ($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	);
1022		1564
1023	sub save($) {	1565	sub save($) {
1024	my ($pl) = @_;	1566	my ($pl) = @_;
1025		1567
1026	return if $pl->{deny_save};	1568	return if $pl->{deny_save};
…		…
1031	return if $pl->{deny_save};	1573	return if $pl->{deny_save};
1032		1574
1033	aio_mkdir playerdir $pl, 0770;	1575	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1576	$pl->{last_save} = $cf::RUNTIME;
1035		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
1036	$pl->save_pl ($path);	1583	$pl->save_pl ($path);
1037	Coro::cede;	1584	cf::cede_to_tick;
1038	}	1585	}
1039		1586
1040	sub new($) {	1587	sub new($) {
1041	my ($login) = @_;	1588	my ($login) = @_;
1042		1589
…		…
1048	$cf::PLAYER{$login} = $self;	1595	$cf::PLAYER{$login} = $self;
1049		1596
1050	$self	1597	$self
1051	}	1598	}
1052		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
1053	=item $pl->quit_character	1610	=item $pl->quit_character
1054		1611
1055	Nukes the player without looking back. If logged in, the connection will	1612	Nukes the player without looking back. If logged in, the connection will
1056	be destroyed. May block for a long time.	1613	be destroyed. May block for a long time.
1057		1614
…		…
1061	my ($pl) = @_;	1618	my ($pl) = @_;
1062		1619
1063	my $name = $pl->ob->name;	1620	my $name = $pl->ob->name;
1064		1621
1065	$pl->{deny_save} = 1;	1622	$pl->{deny_save} = 1;
1066	$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
1067		1624
1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1625	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1069	$pl->deactivate;	1626	$pl->deactivate;
		1627	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1628	$pl->ob->check_score;
1070	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1629	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1071	$pl->ns->destroy if $pl->ns;	1630	$pl->ns->destroy if $pl->ns;
1072		1631
1073	my $path = playerdir $pl;	1632	my $path = playerdir $pl;
1074	my $temp = "$path~$cf::RUNTIME~deleting~";	1633	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1110	or return [];	1669	or return [];
1111		1670
1112	my @logins;	1671	my @logins;
1113		1672
1114	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") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1679	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1680	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1681	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1682	}
1118		1683
1119	utf8::decode $login;	1684	utf8::decode $login;
1120	push @logins, $login;	1685	push @logins, $login;
1121	}	1686	}
1122		1687
…		…
1149	}	1714	}
1150		1715
1151	\@paths	1716	\@paths
1152	}	1717	}
1153		1718
		1719	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1720
		1721	Expand deliantra pod fragments into protocol xml.
		1722
1154	=item $player->ext_reply ($msgid, %msg)	1723	=item $player->ext_reply ($msgid, @msg)
1155		1724
1156	Sends an ext reply to the player.	1725	Sends an ext reply to the player.
1157		1726
1158	=cut	1727	=cut
1159		1728
1160	sub ext_reply($$%) {	1729	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1730	my ($self, $id, @msg) = @_;
1162		1731
1163	$msg{msgid} = $id;	1732	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1733	}
1167		1734
1168	=item $player->ext_event ($type, %msg)	1735	=item $player->ext_msg ($type, @msg)
1169		1736
1170	Sends an ext event to the client.	1737	Sends an ext event to the client.
1171		1738
1172	=cut	1739	=cut
1173		1740
1174	sub ext_event($$%) {	1741	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1742	my ($self, $type, @msg) = @_;
1176		1743
1177	$self->ns->ext_event ($type, %msg);	1744	$self->ns->ext_msg ($type, @msg);
1178	}	1745	}
1179		1746
1180	=head3 cf::region	1747	=head3 cf::region
1181		1748
1182	=over 4	1749	=over 4
…		…
1185		1752
1186	package cf::region;	1753	package cf::region;
1187		1754
1188	=item cf::region::find_by_path $path	1755	=item cf::region::find_by_path $path
1189		1756
1190	Tries to decuce the probable region for a map knowing only its path.	1757	Tries to decuce the likely region for a map knowing only its path.
1191		1758
1192	=cut	1759	=cut
1193		1760
1194	sub find_by_path($) {	1761	sub find_by_path($) {
1195	my ($path) = @_;	1762	my ($path) = @_;
1196		1763
1197	my ($match, $specificity);	1764	my ($match, $specificity);
1198		1765
1199	for my $region (list) {	1766	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1767	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1768	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1769	if $region->specificity > $specificity;
1203	}	1770	}
1204	}	1771	}
1205		1772
…		…
1226	our $MAX_RESET = 3600;	1793	our $MAX_RESET = 3600;
1227	our $DEFAULT_RESET = 3000;	1794	our $DEFAULT_RESET = 3000;
1228		1795
1229	sub generate_random_map {	1796	sub generate_random_map {
1230	my ($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
1231	# mit "rum" bekleckern, nicht	1801	# mit "rum" bekleckern, nicht
1232	$self->_create_random_map (	1802	$self->_create_random_map (
1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1803	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1804	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1805	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1236	$rmp->{exit_on_final_map},	1806	$rmp->{exit_on_final_map},
1237	$rmp->{xsize}, $rmp->{ysize},	1807	$rmp->{xsize}, $rmp->{ysize},
1238	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1808	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1239	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1809	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1269	my ($self, $merge) = @_;	1839	my ($self, $merge) = @_;
1270		1840
1271	# we have to keep some variables in memory intact	1841	# we have to keep some variables in memory intact
1272	local $self->{path};	1842	local $self->{path};
1273	local $self->{load_path};	1843	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1844
1277	$self->SUPER::thawer_merge ($merge);	1845	$self->SUPER::thawer_merge ($merge);
1278	}	1846	}
1279		1847
1280	sub normalise {	1848	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1895	$self->init; # pass $1 etc.
1328	return $self;	1896	return $self;
1329	}	1897	}
1330	}	1898	}
1331		1899
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1900	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1901	()
1334	}	1902	}
1335		1903
1336	sub init {	1904	sub init {
1337	my ($self) = @_;	1905	my ($self) = @_;
…		…
1359		1927
1360	# the temporary/swap location	1928	# the temporary/swap location
1361	sub save_path {	1929	sub save_path {
1362	my ($self) = @_;	1930	my ($self) = @_;
1363		1931
1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1932	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365	"$TMPDIR/$path.map"	1933	"$TMPDIR/$path.map"
1366	}	1934	}
1367		1935
1368	# the unique path, undef == no special unique path	1936	# the unique path, undef == no special unique path
1369	sub uniq_path {	1937	sub uniq_path {
1370	my ($self) = @_;	1938	my ($self) = @_;
1371		1939
1372	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1940	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373	"$UNIQUEDIR/$path"	1941	"$UNIQUEDIR/$path"
1374	}	1942	}
1375		1943
1376	# and all this just because we cannot iterate over	1944	sub decay_objects {
1377	# all maps in C++...
1378	sub change_all_map_light {
1379	my ($change) = @_;	1945	my ($self) = @_;
1380		1946
1381	$_->change_map_light ($change)	1947	return if $self->{deny_reset};
1382	for grep $_->outdoor, values %cf::MAP;	1948
		1949	$self->do_decay_objects;
1383	}	1950	}
1384		1951
1385	sub unlink_save {	1952	sub unlink_save {
1386	my ($self) = @_;	1953	my ($self) = @_;
1387		1954
…		…
1392		1959
1393	sub load_header_from($) {	1960	sub load_header_from($) {
1394	my ($self, $path) = @_;	1961	my ($self, $path) = @_;
1395		1962
1396	utf8::encode $path;	1963	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	1964	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	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;
1402		1972
1403	$self->{load_path} = $path;	1973	$self->{load_path} = $path;
1404		1974
1405	1	1975	1
1406	}	1976	}
…		…
1445	$self->load_header_orig	2015	$self->load_header_orig
1446	or return;	2016	or return;
1447	$self->prepare_orig;	2017	$self->prepare_orig;
1448	}	2018	}
1449		2019
		2020	$self->{deny_reset} = 1
		2021	if $self->no_reset;
		2022
1450	$self->default_region (cf::region::find_by_path $self->{path})	2023	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	2024	unless $self->default_region;
1452		2025
1453	1	2026	1
1454	}	2027	}
…		…
1457	sub find {	2030	sub find {
1458	my ($path, $origin) = @_;	2031	my ($path, $origin) = @_;
1459		2032
1460	$path = normalise $path, $origin && $origin->path;	2033	$path = normalise $path, $origin && $origin->path;
1461		2034
		2035	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	2036	my $guard2 = cf::lock_acquire "map_find:$path";
1463		2037
1464	$cf::MAP{$path} || do {	2038	$cf::MAP{$path} || do {
1465	my $guard = cf::lock_acquire "map_find:$path";
1466	my $map = new_from_path cf::map $path	2039	my $map = new_from_path cf::map $path
1467	or return;	2040	or return;
1468		2041
1469	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1470		2043
1471	$map->load_header	2044	$map->load_header
1472	or return;	2045	or return;
1473		2046
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	2048	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	2049	#$cf::WAIT_FOR_TICK->wait;
		2050	undef $guard2;
		2051	undef $guard1;
1477	$map->reset;	2052	$map->reset;
1478	undef $guard;
1479	return find $path;	2053	return find $path;
1480	}	2054	}
1481		2055
1482	$cf::MAP{$path} = $map	2056	$cf::MAP{$path} = $map
1483	}	2057	}
1484	}	2058	}
1485		2059
1486	sub pre_load { }	2060	sub pre_load { }
1487	sub post_load { }	2061	#sub post_load { } # XS
1488		2062
1489	sub load {	2063	sub load {
1490	my ($self) = @_;	2064	my ($self) = @_;
1491		2065
1492	local $self->{deny_reset} = 1; # loading can take a long time	2066	local $self->{deny_reset} = 1; # loading can take a long time
1493		2067
1494	my $path = $self->{path};	2068	my $path = $self->{path};
1495		2069
1496	{	2070	{
1497	my $guard = cf::lock_acquire "map_load:$path";	2071	my $guard = cf::lock_acquire "map_data:$path";
1498		2072
		2073	return unless $self->valid;
1499	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1500		2075
1501	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1502		2077
1503	$self->alloc;	2078	$self->alloc;
1504		2079
1505	$self->pre_load;	2080	$self->pre_load;
1506	Coro::cede;	2081	cf::cede_to_tick;
1507		2082
		2083	my $f = new_from_file cf::object::thawer $self->{load_path};
		2084	$f->skip_block;
1508	$self->_load_objects ($self->{load_path}, 1)	2085	$self->_load_objects ($f)
1509	or return;	2086	or return;
1510		2087
1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->post_load_original
1512	if delete $self->{load_original};	2089	if delete $self->{load_original};
1513		2090
1514	if (my $uniq = $self->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1515	utf8::encode $uniq;	2092	utf8::encode $uniq;
1516	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1517	$self->clear_unique_items;	2095	$self->clear_unique_items;
1518	$self->_load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1519	}	2099	}
1520	}	2100	}
1521		2101
1522	Coro::cede;	2102	$f->resolve_delayed_derefs;
		2103
		2104	cf::cede_to_tick;
1523	# now do the right thing for maps	2105	# now do the right thing for maps
1524	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1525	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
1526	unless $self->difficulty;	2108	unless $self->difficulty;
1527	Coro::cede;	2109	cf::cede_to_tick;
1528		2110
1529	unless ($self->{deny_activate}) {	2111	unless ($self->{deny_activate}) {
1530	$self->decay_objects;	2112	$self->decay_objects;
1531	$self->fix_auto_apply;	2113	$self->fix_auto_apply;
1532	$self->update_buttons;	2114	$self->update_buttons;
1533	Coro::cede;	2115	cf::cede_to_tick;
1534	$self->set_darkness_map;
1535	Coro::cede;
1536	$self->activate;	2116	$self->activate;
1537	}	2117	}
1538		2118
		2119	$self->{last_save} = $cf::RUNTIME;
		2120	$self->last_access ($cf::RUNTIME);
		2121
1539	$self->in_memory (cf::MAP_IN_MEMORY);	2122	$self->in_memory (cf::MAP_ACTIVE);
1540	}	2123	}
1541		2124
1542	$self->post_load;	2125	$self->post_load;
1543	}	2126	}
1544		2127
		2128	# customize the map for a given player, i.e.
		2129	# return the _real_ map. used by e.g. per-player
		2130	# maps to change the path to ~playername/mappath
1545	sub customise_for {	2131	sub customise_for {
1546	my ($self, $ob) = @_;	2132	my ($self, $ob) = @_;
1547		2133
1548	return find "~" . $ob->name . "/" . $self->{path}	2134	return find "~" . $ob->name . "/" . $self->{path}
1549	if $self->per_player;	2135	if $self->per_player;
1550		2136
		2137	# return find "?party/" . $ob->name . "/" . $self->{path}
		2138	# if $self->per_party;
		2139
1551	$self	2140	$self
1552	}	2141	}
1553		2142
1554	# find and load all maps in the 3x3 area around a map	2143	# find and load all maps in the 3x3 area around a map
1555	sub load_diag {	2144	sub load_neighbours {
1556	my ($map) = @_;	2145	my ($map) = @_;
1557		2146
1558	my @diag; # diagonal neighbours	2147	my @neigh; # diagonal neighbours
1559		2148
1560	for (0 .. 3) {	2149	for (0 .. 3) {
1561	my $neigh = $map->tile_path ($_)	2150	my $neigh = $map->tile_path ($_)
1562	or next;	2151	or next;
1563	$neigh = find $neigh, $map	2152	$neigh = find $neigh, $map
1564	or next;	2153	or next;
1565	$neigh->load;	2154	$neigh->load;
1566		2155
		2156	push @neigh,
1567	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2157	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1568	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2158	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1569	}	2159	}
1570		2160
1571	for (@diag) {	2161	for (grep defined $_->[0], @neigh) {
		2162	my ($path, $origin) = @$_;
1572	my $neigh = find @$_	2163	my $neigh = find $path, $origin
1573	or next;	2164	or next;
1574	$neigh->load;	2165	$neigh->load;
1575	}	2166	}
1576	}	2167	}
1577		2168
…		…
1582	}	2173	}
1583		2174
1584	sub do_load_sync {	2175	sub do_load_sync {
1585	my ($map) = @_;	2176	my ($map) = @_;
1586		2177
		2178	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2179	if $Coro::current == $Coro::main;
		2180
1587	cf::sync_job { $map->load };	2181	cf::sync_job { $map->load };
1588	}	2182	}
1589		2183
1590	our %MAP_PREFETCH;	2184	our %MAP_PREFETCH;
1591	our $MAP_PREFETCHER = undef;	2185	our $MAP_PREFETCHER = undef;
1592		2186
1593	sub find_async {	2187	sub find_async {
1594	my ($path, $origin) = @_;	2188	my ($path, $origin, $load) = @_;
1595		2189
1596	$path = normalise $path, $origin && $origin->{path};	2190	$path = normalise $path, $origin && $origin->{path};
1597		2191
1598	if (my $map = $cf::MAP{$path}) {	2192	if (my $map = $cf::MAP{$path}) {
1599	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2193	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1600	}	2194	}
1601		2195
1602	undef $MAP_PREFETCH{$path};	2196	$MAP_PREFETCH{$path} |= $load;
		2197
1603	$MAP_PREFETCHER ||= cf::async {	2198	$MAP_PREFETCHER ||= cf::async {
		2199	$Coro::current->{desc} = "map prefetcher";
		2200
1604	while (%MAP_PREFETCH) {	2201	while (%MAP_PREFETCH) {
1605	for my $path (keys %MAP_PREFETCH) {	2202	while (my ($k, $v) = each %MAP_PREFETCH) {
1606	my $map = find $path	2203	if (my $map = find $k) {
1607	or next;
1608	$map->load;	2204	$map->load if $v;
		2205	}
1609		2206
1610	delete $MAP_PREFETCH{$path};	2207	delete $MAP_PREFETCH{$k};
1611	}	2208	}
1612	}	2209	}
1613	undef $MAP_PREFETCHER;	2210	undef $MAP_PREFETCHER;
1614	};	2211	};
1615	$MAP_PREFETCHER->prio (6);	2212	$MAP_PREFETCHER->prio (6);
1616		2213
1617	()	2214	()
1618	}	2215	}
1619		2216
		2217	# common code, used by both ->save and ->swapout
1620	sub save {	2218	sub _save {
1621	my ($self) = @_;	2219	my ($self) = @_;
1622
1623	my $lock = cf::lock_acquire "map_data:" . $self->path;
1624		2220
1625	$self->{last_save} = $cf::RUNTIME;	2221	$self->{last_save} = $cf::RUNTIME;
1626		2222
1627	return unless $self->dirty;	2223	return unless $self->dirty;
1628		2224
…		…
1634	return if $self->{deny_save};	2230	return if $self->{deny_save};
1635		2231
1636	local $self->{last_access} = $self->last_access;#d#	2232	local $self->{last_access} = $self->last_access;#d#
1637		2233
1638	cf::async {	2234	cf::async {
		2235	$Coro::current->{desc} = "map player save";
1639	$_->contr->save for $self->players;	2236	$_->contr->save for $self->players;
1640	};	2237	};
		2238
		2239	cf::get_slot 0.02;
1641		2240
1642	if ($uniq) {	2241	if ($uniq) {
1643	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2242	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1644	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2243	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1645	} else {	2244	} else {
1646	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2245	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1647	}	2246	}
1648	}	2247	}
1649		2248
		2249	sub save {
		2250	my ($self) = @_;
		2251
		2252	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2253
		2254	$self->_save;
		2255	}
		2256
1650	sub swap_out {	2257	sub swap_out {
1651	my ($self) = @_;	2258	my ($self) = @_;
1652		2259
1653	# save first because save cedes
1654	$self->save;
1655
1656	my $lock = cf::lock_acquire "map_data:" . $self->path;	2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
1657		2261
		2262	return if $self->in_memory != cf::MAP_ACTIVE;
		2263	return if $self->{deny_save};
1658	return if $self->players;	2264	return if $self->players;
1659	return if $self->in_memory != cf::MAP_IN_MEMORY;
1660	return if $self->{deny_save};
1661		2265
		2266	# first deactivate the map and "unlink" it from the core
		2267	$self->deactivate;
		2268	$_->clear_links_to ($self) for values %cf::MAP;
		2269	$self->in_memory (cf::MAP_SWAPPED);
		2270
		2271	# then atomically save
		2272	$self->_save;
		2273
		2274	# then free the map
1662	$self->clear;	2275	$self->clear;
1663	$self->in_memory (cf::MAP_SWAPPED);
1664	}	2276	}
1665		2277
1666	sub reset_at {	2278	sub reset_at {
1667	my ($self) = @_;	2279	my ($self) = @_;
1668		2280
1669	# TODO: safety, remove and allow resettable per-player maps	2281	# TODO: safety, remove and allow resettable per-player maps
1670	return 1e99 if $self->isa ("ext::map_per_player");#d#
1671	return 1e99 if $self->{deny_reset};	2282	return 1e99 if $self->{deny_reset};
1672		2283
1673	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2284	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1674	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2285	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1675		2286
…		…
1686	my ($self) = @_;	2297	my ($self) = @_;
1687		2298
1688	my $lock = cf::lock_acquire "map_data:$self->{path}";	2299	my $lock = cf::lock_acquire "map_data:$self->{path}";
1689		2300
1690	return if $self->players;	2301	return if $self->players;
1691	return if $self->isa ("ext::map_per_player");#d#
1692		2302
1693	warn "resetting map ", $self->path;#d#	2303	warn "resetting map ", $self->path, "\n";
1694		2304
1695	$self->in_memory (cf::MAP_SWAPPED);	2305	$self->in_memory (cf::MAP_SWAPPED);
1696		2306
1697	# need to save uniques path	2307	# need to save uniques path
1698	unless ($self->{deny_save}) {	2308	unless ($self->{deny_save}) {
…		…
1702	if $uniq;	2312	if $uniq;
1703	}	2313	}
1704		2314
1705	delete $cf::MAP{$self->path};	2315	delete $cf::MAP{$self->path};
1706		2316
		2317	$self->deactivate;
		2318	$_->clear_links_to ($self) for values %cf::MAP;
1707	$self->clear;	2319	$self->clear;
1708
1709	$_->clear_links_to ($self) for values %cf::MAP;
1710		2320
1711	$self->unlink_save;	2321	$self->unlink_save;
1712	$self->destroy;	2322	$self->destroy;
1713	}	2323	}
1714		2324
1715	my $nuke_counter = "aaaa";	2325	my $nuke_counter = "aaaa";
1716		2326
1717	sub nuke {	2327	sub nuke {
1718	my ($self) = @_;	2328	my ($self) = @_;
1719		2329
		2330	{
		2331	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2332
1720	delete $cf::MAP{$self->path};	2333	delete $cf::MAP{$self->path};
1721		2334
1722	$self->unlink_save;	2335	$self->unlink_save;
1723		2336
1724	bless $self, "cf::map";	2337	bless $self, "cf::map";
1725	delete $self->{deny_reset};	2338	delete $self->{deny_reset};
1726	$self->{deny_save} = 1;	2339	$self->{deny_save} = 1;
1727	$self->reset_timeout (1);	2340	$self->reset_timeout (1);
1728	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2341	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1729		2342
1730	$cf::MAP{$self->path} = $self;	2343	$cf::MAP{$self->path} = $self;
		2344	}
1731		2345
1732	$self->reset; # polite request, might not happen	2346	$self->reset; # polite request, might not happen
		2347	}
		2348
		2349	=item $maps = cf::map::tmp_maps
		2350
		2351	Returns an arrayref with all map paths of currently instantiated and saved
		2352	maps. May block.
		2353
		2354	=cut
		2355
		2356	sub tmp_maps() {
		2357	[
		2358	map {
		2359	utf8::decode $_;
		2360	/\.map$/
		2361	? normalise $_
		2362	: ()
		2363	} @{ aio_readdir $TMPDIR or [] }
		2364	]
		2365	}
		2366
		2367	=item $maps = cf::map::random_maps
		2368
		2369	Returns an arrayref with all map paths of currently instantiated and saved
		2370	random maps. May block.
		2371
		2372	=cut
		2373
		2374	sub random_maps() {
		2375	[
		2376	map {
		2377	utf8::decode $_;
		2378	/\.map$/
		2379	? normalise "?random/$_"
		2380	: ()
		2381	} @{ aio_readdir $RANDOMDIR or [] }
		2382	]
1733	}	2383	}
1734		2384
1735	=item cf::map::unique_maps	2385	=item cf::map::unique_maps
1736		2386
1737	Returns an arrayref of paths of all shared maps that have	2387	Returns an arrayref of paths of all shared maps that have
1738	instantiated unique items. May block.	2388	instantiated unique items. May block.
1739		2389
1740	=cut	2390	=cut
1741		2391
1742	sub unique_maps() {	2392	sub unique_maps() {
1743	my $files = aio_readdir $UNIQUEDIR	2393	[
1744	or return;	2394	map {
1745
1746	my @paths;
1747
1748	for (@$files) {
1749	utf8::decode $_;	2395	utf8::decode $_;
1750	next if /\.pst$/;	2396	s/\.map$//; # TODO future compatibility hack
1751	next unless /^$PATH_SEP/o;	2397	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1752		2398	? ()
1753	push @paths, cf::map::normalise $_;	2399	: normalise $_
		2400	} @{ aio_readdir $UNIQUEDIR or [] }
1754	}	2401	]
1755
1756	\@paths
1757	}	2402	}
1758		2403
1759	package cf;	2404	=item cf::map::static_maps
		2405
		2406	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2407	file in the shared directory excluding F</styles> and F</editor>). May
		2408	block.
		2409
		2410	=cut
		2411
		2412	sub static_maps() {
		2413	my @dirs = "";
		2414	my @maps;
		2415
		2416	while (@dirs) {
		2417	my $dir = shift @dirs;
		2418
		2419	next if $dir eq "/styles" || $dir eq "/editor";
		2420
		2421	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2422	or return;
		2423
		2424	for (@$files) {
		2425	s/\.map$// or next;
		2426	utf8::decode $_;
		2427	push @maps, "$dir/$_";
		2428	}
		2429
		2430	push @dirs, map "$dir/$_", @$dirs;
		2431	}
		2432
		2433	\@maps
		2434	}
1760		2435
1761	=back	2436	=back
1762		2437
1763	=head3 cf::object	2438	=head3 cf::object
1764		2439
…		…
1768		2443
1769	=over 4	2444	=over 4
1770		2445
1771	=item $ob->inv_recursive	2446	=item $ob->inv_recursive
1772		2447
1773	Returns the inventory of the object _and_ their inventories, recursively.	2448	Returns the inventory of the object I<and> their inventories, recursively,
		2449	but I<not> the object itself.
1774		2450
1775	=cut	2451	=cut
1776		2452
1777	sub inv_recursive_;	2453	sub inv_recursive_;
1778	sub inv_recursive_ {	2454	sub inv_recursive_ {
…		…
1781		2457
1782	sub inv_recursive {	2458	sub inv_recursive {
1783	inv_recursive_ inv $_[0]	2459	inv_recursive_ inv $_[0]
1784	}	2460	}
1785		2461
		2462	=item $ref = $ob->ref
		2463
		2464	Creates and returns a persistent reference to an object that can be stored as a string.
		2465
		2466	=item $ob = cf::object::deref ($refstring)
		2467
		2468	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2469	even if the object actually exists. May block.
		2470
		2471	=cut
		2472
		2473	sub deref {
		2474	my ($ref) = @_;
		2475
		2476	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2477	my ($uuid, $name) = ($1, $2);
		2478	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2479	or return;
		2480	$pl->ob->uuid eq $uuid
		2481	or return;
		2482
		2483	$pl->ob
		2484	} else {
		2485	warn "$ref: cannot resolve object reference\n";
		2486	undef
		2487	}
		2488	}
		2489
1786	package cf;	2490	package cf;
1787		2491
1788	=back	2492	=back
1789		2493
1790	=head3 cf::object::player	2494	=head3 cf::object::player
…		…
1796	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2500	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1797	can be C<undef>. Does the right thing when the player is currently in a	2501	can be C<undef>. Does the right thing when the player is currently in a
1798	dialogue with the given NPC character.	2502	dialogue with the given NPC character.
1799		2503
1800	=cut	2504	=cut
		2505
		2506	our $SAY_CHANNEL = {
		2507	id => "say",
		2508	title => "Map",
		2509	reply => "say ",
		2510	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2511	};
		2512
		2513	our $CHAT_CHANNEL = {
		2514	id => "chat",
		2515	title => "Chat",
		2516	reply => "chat ",
		2517	tooltip => "Player chat and shouts, global to the server.",
		2518	};
1801		2519
1802	# rough implementation of a future "reply" method that works	2520	# rough implementation of a future "reply" method that works
1803	# with dialog boxes.	2521	# with dialog boxes.
1804	#TODO: the first argument must go, split into a $npc->reply_to ( method	2522	#TODO: the first argument must go, split into a $npc->reply_to ( method
1805	sub cf::object::player::reply($$$;$) {	2523	sub cf::object::player::reply($$$;$) {
…		…
1807		2525
1808	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2526	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1809		2527
1810	if ($self->{record_replies}) {	2528	if ($self->{record_replies}) {
1811	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2529	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2530
1812	} else {	2531	} else {
		2532	my $pl = $self->contr;
		2533
		2534	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2535	my $dialog = $pl->{npc_dialog};
		2536	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2537
		2538	} else {
1813	$msg = $npc->name . " says: $msg" if $npc;	2539	$msg = $npc->name . " says: $msg" if $npc;
1814	$self->message ($msg, $flags);	2540	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2541	}
1815	}	2542	}
		2543	}
		2544
		2545	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2546
		2547	=cut
		2548
		2549	sub cf::object::send_msg {
		2550	my $pl = shift->contr
		2551	or return;
		2552	$pl->send_msg (@_);
1816	}	2553	}
1817		2554
1818	=item $player_object->may ("access")	2555	=item $player_object->may ("access")
1819		2556
1820	Returns wether the given player is authorized to access resource "access"	2557	Returns wether the given player is authorized to access resource "access"
…		…
1833		2570
1834	=item $player_object->enter_link	2571	=item $player_object->enter_link
1835		2572
1836	Freezes the player and moves him/her to a special map (C<{link}>).	2573	Freezes the player and moves him/her to a special map (C<{link}>).
1837		2574
1838	The player should be reasonably safe there for short amounts of time. You	2575	The player should be reasonably safe there for short amounts of time (e.g.
1839	I<MUST> call C<leave_link> as soon as possible, though.	2576	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2577	though, as the palyer cannot control the character while it is on the link
		2578	map.
1840		2579
1841	Will never block.	2580	Will never block.
1842		2581
1843	=item $player_object->leave_link ($map, $x, $y)	2582	=item $player_object->leave_link ($map, $x, $y)
1844		2583
…		…
1867	$self->deactivate_recursive;	2606	$self->deactivate_recursive;
1868		2607
1869	return if UNIVERSAL::isa $self->map, "ext::map_link";	2608	return if UNIVERSAL::isa $self->map, "ext::map_link";
1870		2609
1871	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2610	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1872	if $self->map;	2611	if $self->map && $self->map->{path} ne "{link}";
1873		2612
1874	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2613	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1875	}	2614	}
1876		2615
1877	sub cf::object::player::leave_link {	2616	sub cf::object::player::leave_link {
1878	my ($self, $map, $x, $y) = @_;	2617	my ($self, $map, $x, $y) = @_;
		2618
		2619	return unless $self->contr->active;
1879		2620
1880	my $link_pos = delete $self->{_link_pos};	2621	my $link_pos = delete $self->{_link_pos};
1881		2622
1882	unless ($map) {	2623	unless ($map) {
1883	# restore original map position	2624	# restore original map position
…		…
1894	($x, $y) = (-1, -1)	2635	($x, $y) = (-1, -1)
1895	unless (defined $x) && (defined $y);	2636	unless (defined $x) && (defined $y);
1896		2637
1897	# use -1 or undef as default coordinates, not 0, 0	2638	# use -1 or undef as default coordinates, not 0, 0
1898	($x, $y) = ($map->enter_x, $map->enter_y)	2639	($x, $y) = ($map->enter_x, $map->enter_y)
1899	if $x <=0 && $y <= 0;	2640	if $x <= 0 && $y <= 0;
1900		2641
1901	$map->load;	2642	$map->load;
1902	$map->load_diag;	2643	$map->load_neighbours;
1903		2644
1904	return unless $self->contr->active;	2645	return unless $self->contr->active;
1905	$self->activate_recursive;
1906		2646
1907	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2647	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1908	$self->enter_map ($map, $x, $y);	2648	$self->enter_map ($map, $x, $y);
1909	}
1910		2649
1911	cf::player->attach (	2650	# only activate afterwards, to support waiting in hooks
1912	on_logout => sub {	2651	$self->activate_recursive;
1913	my ($pl) = @_;	2652	}
1914		2653
1915	# abort map switching before logout	2654	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1916	if ($pl->ob->{_link_pos}) {
1917	cf::sync_job {
1918	$pl->ob->leave_link
1919	};
1920	}
1921	},
1922	on_login => sub {
1923	my ($pl) = @_;
1924		2655
1925	# try to abort aborted map switching on player login :)	2656	Moves the player to the given map-path and coordinates by first freezing
1926	# should happen only on crashes	2657	her, loading and preparing them map, calling the provided $check callback
1927	if ($pl->ob->{_link_pos}) {	2658	that has to return the map if sucecssful, and then unfreezes the player on
1928	$pl->ob->enter_link;	2659	the new (success) or old (failed) map position. In either case, $done will
1929	(async {	2660	be called at the end of this process.
1930	$pl->ob->reply (undef,
1931	"There was an internal problem at your last logout, "
1932	. "the server will try to bring you to your intended destination in a second.",
1933	cf::NDI_RED);
1934	# we need this sleep as the login has a concurrent enter_exit running
1935	# and this sleep increases chances of the player not ending up in scorn
1936	Coro::Timer::sleep 1;
1937	$pl->ob->leave_link;
1938	})->prio (2);
1939	}
1940	},
1941	);
1942		2661
1943	=item $player_object->goto ($path, $x, $y)	2662	Note that $check will be called with a potentially non-loaded map, so if
		2663	it needs a loaded map it has to call C<< ->load >>.
1944		2664
1945	=cut	2665	=cut
		2666
		2667	our $GOTOGEN;
1946		2668
1947	sub cf::object::player::goto {	2669	sub cf::object::player::goto {
1948	my ($self, $path, $x, $y) = @_;	2670	my ($self, $path, $x, $y, $check, $done) = @_;
		2671
		2672	# do generation counting so two concurrent goto's will be executed in-order
		2673	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1949		2674
1950	$self->enter_link;	2675	$self->enter_link;
1951		2676
1952	(async {	2677	(async {
		2678	$Coro::current->{desc} = "player::goto $path $x $y";
		2679
		2680	# *tag paths override both path and x|y
		2681	if ($path =~ /^\*(.*)$/) {
		2682	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2683	my $ob = $obs[rand @obs];
		2684
		2685	# see if we actually can go there
		2686	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2687	$ob = $obs[rand @obs];
		2688	} else {
		2689	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2690	}
		2691	# else put us there anyways for now #d#
		2692
		2693	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2694	} else {
		2695	($path, $x, $y) = (undef, undef, undef);
		2696	}
		2697	}
		2698
1953	my $map = eval {	2699	my $map = eval {
1954	my $map = cf::map::find $path;	2700	my $map = defined $path ? cf::map::find $path : undef;
		2701
		2702	if ($map) {
1955	$map = $map->customise_for ($self) if $map;	2703	$map = $map->customise_for ($self);
		2704	$map = $check->($map) if $check && $map;
		2705	} else {
		2706	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2707	}
		2708
1956	$map	2709	$map
		2710	};
		2711
		2712	if ($@) {
		2713	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2714	LOG llevError | logBacktrace, Carp::longmess $@;
1957	} or	2715	}
1958	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1959		2716
		2717	if ($gen == $self->{_goto_generation}) {
		2718	delete $self->{_goto_generation};
1960	$self->leave_link ($map, $x, $y);	2719	$self->leave_link ($map, $x, $y);
		2720	}
		2721
		2722	$done->() if $done;
1961	})->prio (1);	2723	})->prio (1);
1962	}	2724	}
1963		2725
1964	=item $player_object->enter_exit ($exit_object)	2726	=item $player_object->enter_exit ($exit_object)
1965		2727
…		…
1985	}	2747	}
1986		2748
1987	sub prepare_random_map {	2749	sub prepare_random_map {
1988	my ($exit) = @_;	2750	my ($exit) = @_;
1989		2751
1990	my $guard = cf::lock_acquire "exit_prepare:$exit";
1991
1992	# all this does is basically replace the /! path by	2752	# all this does is basically replace the /! path by
1993	# a new random map path (?random/...) with a seed	2753	# a new random map path (?random/...) with a seed
1994	# that depends on the exit object	2754	# that depends on the exit object
1995		2755
1996	my $rmp = parse_random_map_params $exit->msg;	2756	my $rmp = parse_random_map_params $exit->msg;
…		…
1998	if ($exit->map) {	2758	if ($exit->map) {
1999	$rmp->{region} = $exit->region->name;	2759	$rmp->{region} = $exit->region->name;
2000	$rmp->{origin_map} = $exit->map->path;	2760	$rmp->{origin_map} = $exit->map->path;
2001	$rmp->{origin_x} = $exit->x;	2761	$rmp->{origin_x} = $exit->x;
2002	$rmp->{origin_y} = $exit->y;	2762	$rmp->{origin_y} = $exit->y;
		2763
		2764	$exit->map->touch;
2003	}	2765	}
2004		2766
2005	$rmp->{random_seed} ||= $exit->random_seed;	2767	$rmp->{random_seed} ||= $exit->random_seed;
2006		2768
2007	my $data = cf::to_json $rmp;	2769	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2008	my $md5 = Digest::MD5::md5_hex $data;	2770	my $md5 = Digest::MD5::md5_hex $data;
2009	my $meta = "$RANDOMDIR/$md5.meta";	2771	my $meta = "$RANDOMDIR/$md5.meta";
2010		2772
2011	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2773	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2012	aio_write $fh, 0, (length $data), $data, 0;	2774	aio_write $fh, 0, (length $data), $data, 0;
2013	undef $fh;	2775	undef $fh;
2014	aio_rename "$meta~", $meta;	2776	aio_rename "$meta~", $meta;
2015		2777
		2778	my $slaying = "?random/$md5";
		2779
		2780	if ($exit->valid) {
2016	$exit->slaying ("?random/$md5");	2781	$exit->slaying ("?random/$md5");
2017	$exit->msg (undef);	2782	$exit->msg (undef);
		2783	}
2018	}	2784	}
2019	}	2785	}
2020		2786
2021	sub cf::object::player::enter_exit {	2787	sub cf::object::player::enter_exit {
2022	my ($self, $exit) = @_;	2788	my ($self, $exit) = @_;
2023		2789
2024	return unless $self->type == cf::PLAYER;	2790	return unless $self->type == cf::PLAYER;
2025		2791
2026	if ($exit->slaying eq "/!") {
2027	#TODO: this should de-fi-ni-te-ly not be a sync-job
2028	# the problem is that $exit might not survive long enough
2029	# so it needs to be done right now, right here
2030	cf::sync_job { prepare_random_map $exit };
2031	}
2032
2033	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2034	my $hp = $exit->stats->hp;
2035	my $sp = $exit->stats->sp;
2036
2037	$self->enter_link;	2792	$self->enter_link;
2038		2793
2039	(async {	2794	(async {
2040	$self->deactivate_recursive; # just to be sure	2795	$Coro::current->{desc} = "enter_exit";
		2796
2041	unless (eval {	2797	unless (eval {
		2798	$self->deactivate_recursive; # just to be sure
		2799
		2800	# random map handling
		2801	{
		2802	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2803
		2804	prepare_random_map $exit
		2805	if $exit->slaying eq "/!";
		2806	}
		2807
		2808	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2809	my $x = $exit->stats->hp;
		2810	my $y = $exit->stats->sp;
		2811
2042	$self->goto ($slaying, $hp, $sp);	2812	$self->goto ($map, $x, $y);
2043		2813
		2814	# if exit is damned, update players death & WoR home-position
		2815	$self->contr->savebed ($map, $x, $y)
		2816	if $exit->flag (cf::FLAG_DAMNED);
		2817
2044	1;	2818	1
2045	}) {	2819	}) {
2046	$self->message ("Something went wrong deep within the crossfire server. "	2820	$self->message ("Something went wrong deep within the deliantra server. "
2047	. "I'll try to bring you back to the map you were before. "	2821	. "I'll try to bring you back to the map you were before. "
2048	. "Please report this to the dungeon master!",	2822	. "Please report this to the dungeon master!",
2049	cf::NDI_UNIQUE | cf::NDI_RED);	2823	cf::NDI_UNIQUE | cf::NDI_RED);
2050		2824
2051	warn "ERROR in enter_exit: $@";	2825	warn "ERROR in enter_exit: $@";
…		…
2070		2844
2071	utf8::encode $text;	2845	utf8::encode $text;
2072	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2846	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2073	}	2847	}
2074		2848
		2849	=item $client->send_big_packet ($pkt)
		2850
		2851	Like C<send_packet>, but tries to compress large packets, and fragments
		2852	them as required.
		2853
		2854	=cut
		2855
		2856	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2857
		2858	sub cf::client::send_big_packet {
		2859	my ($self, $pkt) = @_;
		2860
		2861	# try lzf for large packets
		2862	$pkt = "lzf " . Compress::LZF::compress $pkt
		2863	if 1024 <= length $pkt and $self->{can_lzf};
		2864
		2865	# split very large packets
		2866	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2867	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2868	$pkt = "frag";
		2869	}
		2870
		2871	$self->send_packet ($pkt);
		2872	}
		2873
		2874	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2875
		2876	Send a drawinfo or msg packet to the client, formatting the msg for the
		2877	client if neccessary. C<$type> should be a string identifying the type of
		2878	the message, with C<log> being the default. If C<$color> is negative, suppress
		2879	the message unless the client supports the msg packet.
		2880
		2881	=cut
		2882
		2883	# non-persistent channels (usually the info channel)
		2884	our %CHANNEL = (
		2885	"c/motd" => {
		2886	id => "infobox",
		2887	title => "MOTD",
		2888	reply => undef,
		2889	tooltip => "The message of the day",
		2890	},
		2891	"c/identify" => {
		2892	id => "infobox",
		2893	title => "Identify",
		2894	reply => undef,
		2895	tooltip => "Items recently identified",
		2896	},
		2897	"c/examine" => {
		2898	id => "infobox",
		2899	title => "Examine",
		2900	reply => undef,
		2901	tooltip => "Signs and other items you examined",
		2902	},
		2903	"c/shopinfo" => {
		2904	id => "infobox",
		2905	title => "Shop Info",
		2906	reply => undef,
		2907	tooltip => "What your bargaining skill tells you about the shop",
		2908	},
		2909	"c/book" => {
		2910	id => "infobox",
		2911	title => "Book",
		2912	reply => undef,
		2913	tooltip => "The contents of a note or book",
		2914	},
		2915	"c/lookat" => {
		2916	id => "infobox",
		2917	title => "Look",
		2918	reply => undef,
		2919	tooltip => "What you saw there",
		2920	},
		2921	"c/who" => {
		2922	id => "infobox",
		2923	title => "Players",
		2924	reply => undef,
		2925	tooltip => "Shows players who are currently online",
		2926	},
		2927	"c/body" => {
		2928	id => "infobox",
		2929	title => "Body Parts",
		2930	reply => undef,
		2931	tooltip => "Shows which body parts you posess and are available",
		2932	},
		2933	"c/statistics" => {
		2934	id => "infobox",
		2935	title => "Statistics",
		2936	reply => undef,
		2937	tooltip => "Shows your primary statistics",
		2938	},
		2939	"c/skills" => {
		2940	id => "infobox",
		2941	title => "Skills",
		2942	reply => undef,
		2943	tooltip => "Shows your experience per skill and item power",
		2944	},
		2945	"c/shopitems" => {
		2946	id => "infobox",
		2947	title => "Shop Items",
		2948	reply => undef,
		2949	tooltip => "Shows the items currently for sale in this shop",
		2950	},
		2951	"c/resistances" => {
		2952	id => "infobox",
		2953	title => "Resistances",
		2954	reply => undef,
		2955	tooltip => "Shows your resistances",
		2956	},
		2957	"c/pets" => {
		2958	id => "infobox",
		2959	title => "Pets",
		2960	reply => undef,
		2961	tooltip => "Shows information abotu your pets/a specific pet",
		2962	},
		2963	"c/perceiveself" => {
		2964	id => "infobox",
		2965	title => "Perceive Self",
		2966	reply => undef,
		2967	tooltip => "You gained detailed knowledge about yourself",
		2968	},
		2969	"c/uptime" => {
		2970	id => "infobox",
		2971	title => "Uptime",
		2972	reply => undef,
		2973	tooltip => "How long the server has been running since last restart",
		2974	},
		2975	"c/mapinfo" => {
		2976	id => "infobox",
		2977	title => "Map Info",
		2978	reply => undef,
		2979	tooltip => "Information related to the maps",
		2980	},
		2981	"c/party" => {
		2982	id => "party",
		2983	title => "Party",
		2984	reply => "gsay ",
		2985	tooltip => "Messages and chat related to your party",
		2986	},
		2987	"c/death" => {
		2988	id => "death",
		2989	title => "Death",
		2990	reply => undef,
		2991	tooltip => "Reason for and more info about your most recent death",
		2992	},
		2993	"c/say" => $SAY_CHANNEL,
		2994	"c/chat" => $CHAT_CHANNEL,
		2995	);
		2996
		2997	sub cf::client::send_msg {
		2998	my ($self, $channel, $msg, $color, @extra) = @_;
		2999
		3000	$msg = $self->pl->expand_cfpod ($msg)
		3001	unless $color & cf::NDI_VERBATIM;
		3002
		3003	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3004
		3005	# check predefined channels, for the benefit of C
		3006	if ($CHANNEL{$channel}) {
		3007	$channel = $CHANNEL{$channel};
		3008
		3009	$self->ext_msg (channel_info => $channel);
		3010	$channel = $channel->{id};
		3011
		3012	} elsif (ref $channel) {
		3013	# send meta info to client, if not yet sent
		3014	unless (exists $self->{channel}{$channel->{id}}) {
		3015	$self->{channel}{$channel->{id}} = $channel;
		3016	$self->ext_msg (channel_info => $channel);
		3017	}
		3018
		3019	$channel = $channel->{id};
		3020	}
		3021
		3022	return unless @extra || length $msg;
		3023
		3024	# default colour, mask it out
		3025	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3026	if $color & cf::NDI_DEF;
		3027
		3028	my $pkt = "msg "
		3029	. $self->{json_coder}->encode (
		3030	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3031	);
		3032
		3033	$self->send_big_packet ($pkt);
		3034	}
		3035
2075	=item $client->ext_event ($type, %msg)	3036	=item $client->ext_msg ($type, @msg)
2076		3037
2077	Sends an exti event to the client.	3038	Sends an ext event to the client.
2078		3039
2079	=cut	3040	=cut
2080		3041
2081	sub cf::client::ext_event($$%) {	3042	sub cf::client::ext_msg($$@) {
2082	my ($self, $type, %msg) = @_;	3043	my ($self, $type, @msg) = @_;
2083		3044
		3045	if ($self->extcmd == 2) {
		3046	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3047	} elsif ($self->extcmd == 1) { # TODO: remove
2084	$msg{msgtype} = "event_$type";	3048	push @msg, msgtype => "event_$type";
2085	$self->send_packet ("ext " . cf::to_json \%msg);	3049	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3050	}
		3051	}
		3052
		3053	=item $client->ext_reply ($msgid, @msg)
		3054
		3055	Sends an ext reply to the client.
		3056
		3057	=cut
		3058
		3059	sub cf::client::ext_reply($$@) {
		3060	my ($self, $id, @msg) = @_;
		3061
		3062	if ($self->extcmd == 2) {
		3063	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3064	} elsif ($self->extcmd == 1) {
		3065	#TODO: version 1, remove
		3066	unshift @msg, msgtype => "reply", msgid => $id;
		3067	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3068	}
2086	}	3069	}
2087		3070
2088	=item $success = $client->query ($flags, "text", \&cb)	3071	=item $success = $client->query ($flags, "text", \&cb)
2089		3072
2090	Queues a query to the client, calling the given callback with	3073	Queues a query to the client, calling the given callback with
2091	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3074	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2092	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3075	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2093		3076
2094	Queries can fail, so check the return code. Or don't, as queries will become	3077	Queries can fail, so check the return code. Or don't, as queries will
2095	reliable at some point in the future.	3078	become reliable at some point in the future.
2096		3079
2097	=cut	3080	=cut
2098		3081
2099	sub cf::client::query {	3082	sub cf::client::query {
2100	my ($self, $flags, $text, $cb) = @_;	3083	my ($self, $flags, $text, $cb) = @_;
…		…
2108	utf8::encode $text;	3091	utf8::encode $text;
2109	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2110		3093
2111	$self->send_packet ($self->{query_queue}[0][0])	3094	$self->send_packet ($self->{query_queue}[0][0])
2112	if @{ $self->{query_queue} } == 1;	3095	if @{ $self->{query_queue} } == 1;
		3096
		3097	1
2113	}	3098	}
2114		3099
2115	cf::client->attach (	3100	cf::client->attach (
		3101	on_connect => sub {
		3102	my ($ns) = @_;
		3103
		3104	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3105	},
2116	on_reply => sub {	3106	on_reply => sub {
2117	my ($ns, $msg) = @_;	3107	my ($ns, $msg) = @_;
2118		3108
2119	# this weird shuffling is so that direct followup queries	3109	# this weird shuffling is so that direct followup queries
2120	# get handled first	3110	# get handled first
…		…
2132	} else {	3122	} else {
2133	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3123	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2134	}	3124	}
2135	}	3125	}
2136	},	3126	},
		3127	on_exticmd => sub {
		3128	my ($ns, $buf) = @_;
		3129
		3130	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3131
		3132	if (ref $msg) {
		3133	my ($type, $reply, @payload) =
		3134	"ARRAY" eq ref $msg
		3135	? @$msg
		3136	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3137
		3138	my @reply;
		3139
		3140	if (my $cb = $EXTICMD{$type}) {
		3141	@reply = $cb->($ns, @payload);
		3142	}
		3143
		3144	$ns->ext_reply ($reply, @reply)
		3145	if $reply;
		3146
		3147	} else {
		3148	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3149	}
		3150
		3151	cf::override;
		3152	},
2137	);	3153	);
2138		3154
2139	=item $client->async (\&cb)	3155	=item $client->async (\&cb)
2140		3156
2141	Create a new coroutine, running the specified callback. The coroutine will	3157	Create a new coroutine, running the specified callback. The coroutine will
…		…
2157		3173
2158	$coro	3174	$coro
2159	}	3175	}
2160		3176
2161	cf::client->attach (	3177	cf::client->attach (
2162	on_destroy => sub {	3178	on_client_destroy => sub {
2163	my ($ns) = @_;	3179	my ($ns) = @_;
2164		3180
2165	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3181	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2166	},	3182	},
2167	);	3183	);
…		…
2182	our $safe = new Safe "safe";	3198	our $safe = new Safe "safe";
2183	our $safe_hole = new Safe::Hole;	3199	our $safe_hole = new Safe::Hole;
2184		3200
2185	$SIG{FPE} = 'IGNORE';	3201	$SIG{FPE} = 'IGNORE';
2186		3202
2187	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3203	$safe->permit_only (Opcode::opset qw(
		3204	:base_core :base_mem :base_orig :base_math :base_loop
		3205	grepstart grepwhile mapstart mapwhile
		3206	sort time
		3207	));
2188		3208
2189	# here we export the classes and methods available to script code	3209	# here we export the classes and methods available to script code
2190		3210
2191	=pod	3211	=pod
2192		3212
2193	The following functions and methods are available within a safe environment:	3213	The following functions and methods are available within a safe environment:
2194		3214
2195	cf::object contr pay_amount pay_player map	3215	cf::object
		3216	contr pay_amount pay_player map x y force_find force_add destroy
		3217	insert remove name archname title slaying race decrease split
		3218	value
		3219
2196	cf::object::player player	3220	cf::object::player
2197	cf::player peaceful	3221	player
2198	cf::map trigger	3222
		3223	cf::player
		3224	peaceful
		3225
		3226	cf::map
		3227	trigger
2199		3228
2200	=cut	3229	=cut
2201		3230
2202	for (	3231	for (
2203	["cf::object" => qw(contr pay_amount pay_player map)],	3232	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3233	insert remove inv nrof name archname title slaying race
		3234	decrease split destroy change_exp value msg lore send_msg)],
2204	["cf::object::player" => qw(player)],	3235	["cf::object::player" => qw(player)],
2205	["cf::player" => qw(peaceful)],	3236	["cf::player" => qw(peaceful send_msg)],
2206	["cf::map" => qw(trigger)],	3237	["cf::map" => qw(trigger)],
2207	) {	3238	) {
2208	no strict 'refs';	3239	no strict 'refs';
2209	my ($pkg, @funs) = @$_;	3240	my ($pkg, @funs) = @$_;
2210	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3241	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2228		3259
2229	my $qcode = $code;	3260	my $qcode = $code;
2230	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3261	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2231	$qcode =~ s/\n/\\n/g;	3262	$qcode =~ s/\n/\\n/g;
2232		3263
		3264	%vars = (_dummy => 0) unless %vars;
		3265
		3266	my @res;
2233	local $_;	3267	local $_;
2234	local @safe::cf::_safe_eval_args = values %vars;
2235		3268
2236	my $eval =	3269	my $eval =
2237	"do {\n"	3270	"do {\n"
2238	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3271	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2239	. "#line 0 \"{$qcode}\"\n"	3272	. "#line 0 \"{$qcode}\"\n"
2240	. $code	3273	. $code
2241	. "\n}"	3274	. "\n}"
2242	;	3275	;
2243		3276
		3277	if ($CFG{safe_eval}) {
2244	sub_generation_inc;	3278	sub_generation_inc;
		3279	local @safe::cf::_safe_eval_args = values %vars;
2245	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3280	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2246	sub_generation_inc;	3281	sub_generation_inc;
		3282	} else {
		3283	local @cf::_safe_eval_args = values %vars;
		3284	@res = wantarray ? eval eval : scalar eval $eval;
		3285	}
2247		3286
2248	if ($@) {	3287	if ($@) {
2249	warn "$@";	3288	warn "$@";
2250	warn "while executing safe code '$code'\n";	3289	warn "while executing safe code '$code'\n";
2251	warn "with arguments " . (join " ", %vars) . "\n";	3290	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2270	=cut	3309	=cut
2271		3310
2272	sub register_script_function {	3311	sub register_script_function {
2273	my ($fun, $cb) = @_;	3312	my ($fun, $cb) = @_;
2274		3313
2275	no strict 'refs';	3314	$fun = "safe::$fun" if $CFG{safe_eval};
2276	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3315	*$fun = $safe_hole->wrap ($cb);
2277	}	3316	}
2278		3317
2279	=back	3318	=back
2280		3319
2281	=cut	3320	=cut
2282
2283	#############################################################################
2284
2285	=head2 EXTENSION DATABASE SUPPORT
2286
2287	Crossfire maintains a very simple database for extension use. It can
2288	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2289	convert to/from binary).
2290
2291	The parameter C<$family> should best start with the name of the extension
2292	using it, it should be unique.
2293
2294	=over 4
2295
2296	=item $value = cf::db_get $family => $key
2297
2298	Returns a single value from the database.
2299
2300	=item cf::db_put $family => $key => $value
2301
2302	Stores the given C<$value> in the family.
2303
2304	=cut
2305
2306	our $DB;
2307
2308	sub db_init {
2309	unless ($DB) {
2310	$DB = BDB::db_create $DB_ENV;
2311
2312	cf::sync_job {
2313	eval {
2314	$DB->set_flags (BDB::CHKSUM);
2315
2316	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2317	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2318	cf::cleanup "db_open(db): $!" if $!;
2319	};
2320	cf::cleanup "db_open(db): $@" if $@;
2321	};
2322	}
2323	}
2324
2325	sub db_get($$) {
2326	my $key = "$_[0]/$_[1]";
2327
2328	cf::sync_job {
2329	BDB::db_get $DB, undef, $key, my $data;
2330
2331	$! ? ()
2332	: $data
2333	}
2334	}
2335
2336	sub db_put($$$) {
2337	BDB::dbreq_pri 4;
2338	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2339	}
2340
2341	=item cf::cache $id => [$paths...], $processversion => $process
2342
2343	Generic caching function that returns the value of the resource $id,
2344	caching and regenerating as required.
2345
2346	This function can block.
2347
2348	=cut
2349
2350	sub cache {
2351	my ($id, $src, $processversion, $process) = @_;
2352
2353	my $meta =
2354	join "\x00",
2355	$processversion,
2356	map {
2357	aio_stat $_
2358	and Carp::croak "$_: $!";
2359
2360	($_, (stat _)[7,9])
2361	} @$src;
2362
2363	my $dbmeta = db_get cache => "$id/meta";
2364	if ($dbmeta ne $meta) {
2365	# changed, we may need to process
2366
2367	my @data;
2368	my $md5;
2369
2370	for (0 .. $#$src) {
2371	0 <= aio_load $src->[$_], $data[$_]
2372	or Carp::croak "$src->[$_]: $!";
2373	}
2374
2375	# if processing is expensive, check
2376	# checksum first
2377	if (1) {
2378	$md5 =
2379	join "\x00",
2380	$processversion,
2381	map {
2382	Coro::cede;
2383	($src->[$_], Digest::MD5::md5_hex $data[$_])
2384	} 0.. $#$src;
2385
2386
2387	my $dbmd5 = db_get cache => "$id/md5";
2388	if ($dbmd5 eq $md5) {
2389	db_put cache => "$id/meta", $meta;
2390
2391	return db_get cache => "$id/data";
2392	}
2393	}
2394
2395	my $t1 = Time::HiRes::time;
2396	my $data = $process->(\@data);
2397	my $t2 = Time::HiRes::time;
2398
2399	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2400
2401	db_put cache => "$id/data", $data;
2402	db_put cache => "$id/md5" , $md5;
2403	db_put cache => "$id/meta", $meta;
2404
2405	return $data;
2406	}
2407
2408	db_get cache => "$id/data"
2409	}
2410
2411	=item fork_call { }, $args
2412
2413	Executes the given code block with the given arguments in a seperate
2414	process, returning the results. Everything must be serialisable with
2415	Coro::Storable. May, of course, block. Note that the executed sub may
2416	never block itself or use any form of Event handling.
2417
2418	=cut
2419
2420	sub fork_call(&@) {
2421	my ($cb, @args) = @_;
2422
2423	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2424	# or die "socketpair: $!";
2425	pipe my $fh1, my $fh2
2426	or die "pipe: $!";
2427
2428	if (my $pid = fork) {
2429	close $fh2;
2430
2431	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2432	$res = Coro::Storable::thaw $res;
2433
2434	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2435
2436	die $$res unless "ARRAY" eq ref $res;
2437
2438	return wantarray ? @$res : $res->[-1];
2439	} else {
2440	local $SIG{__WARN__};
2441	eval {
2442	local $SIG{__DIE__};
2443	close $fh1;
2444
2445	my @res = eval { $cb->(@args) };
2446	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2447	};
2448
2449	warn $@ if $@;
2450	_exit 0;
2451	}
2452	}
2453
2454
2455		3321
2456	#############################################################################	3322	#############################################################################
2457	# the server's init and main functions	3323	# the server's init and main functions
2458		3324
2459	sub load_facedata($) {	3325	sub load_facedata($) {
2460	my ($path) = @_;	3326	my ($path) = @_;
		3327
		3328	# HACK to clear player env face cache, we need some signal framework
		3329	# for this (global event?)
		3330	%ext::player_env::MUSIC_FACE_CACHE = ();
		3331
		3332	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2461		3333
2462	warn "loading facedata from $path\n";	3334	warn "loading facedata from $path\n";
2463		3335
2464	my $facedata;	3336	my $facedata;
2465	0 < aio_load $path, $facedata	3337	0 < aio_load $path, $facedata
…		…
2468	$facedata = Coro::Storable::thaw $facedata;	3340	$facedata = Coro::Storable::thaw $facedata;
2469		3341
2470	$facedata->{version} == 2	3342	$facedata->{version} == 2
2471	or cf::cleanup "$path: version mismatch, cannot proceed.";	3343	or cf::cleanup "$path: version mismatch, cannot proceed.";
2472		3344
		3345	# patch in the exptable
		3346	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3347	$facedata->{resource}{"res/exp_table"} = {
		3348	type => FT_RSRC,
		3349	data => $exp_table,
		3350	hash => (Digest::MD5::md5 $exp_table),
		3351	};
		3352	cf::cede_to_tick;
		3353
2473	{	3354	{
2474	my $faces = $facedata->{faceinfo};	3355	my $faces = $facedata->{faceinfo};
2475		3356
2476	while (my ($face, $info) = each %$faces) {	3357	while (my ($face, $info) = each %$faces) {
2477	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3358	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3359
2478	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3360	cf::face::set_visibility $idx, $info->{visibility};
		3361	cf::face::set_magicmap $idx, $info->{magicmap};
2479	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3362	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2480	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3363	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2481	Coro::cede;	3364
		3365	cf::cede_to_tick;
2482	}	3366	}
2483		3367
2484	while (my ($face, $info) = each %$faces) {	3368	while (my ($face, $info) = each %$faces) {
2485	next unless $info->{smooth};	3369	next unless $info->{smooth};
		3370
2486	my $idx = cf::face::find $face	3371	my $idx = cf::face::find $face
2487	or next;	3372	or next;
		3373
2488	if (my $smooth = cf::face::find $info->{smooth}) {	3374	if (my $smooth = cf::face::find $info->{smooth}) {
		3375	cf::face::set_smooth $idx, $smooth;
2489	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3376	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2490	} else {	3377	} else {
2491	warn "smooth face '$info->{smooth}' not found for face '$face'";	3378	warn "smooth face '$info->{smooth}' not found for face '$face'";
2492	}	3379	}
2493	Coro::cede;	3380
		3381	cf::cede_to_tick;
2494	}	3382	}
2495	}	3383	}
2496		3384
2497	{	3385	{
2498	my $anims = $facedata->{animinfo};	3386	my $anims = $facedata->{animinfo};
2499		3387
2500	while (my ($anim, $info) = each %$anims) {	3388	while (my ($anim, $info) = each %$anims) {
2501	cf::anim::set $anim, $info->{frames}, $info->{facings};	3389	cf::anim::set $anim, $info->{frames}, $info->{facings};
2502	Coro::cede;	3390	cf::cede_to_tick;
2503	}	3391	}
2504		3392
2505	cf::anim::invalidate_all; # d'oh	3393	cf::anim::invalidate_all; # d'oh
2506	}	3394	}
2507		3395
		3396	{
		3397	my $res = $facedata->{resource};
		3398
		3399	while (my ($name, $info) = each %$res) {
		3400	if (defined $info->{type}) {
		3401	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3402
		3403	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3404	cf::face::set_type $idx, $info->{type};
		3405	} else {
		3406	$RESOURCE{$name} = $info;
		3407	}
		3408
		3409	cf::cede_to_tick;
		3410	}
		3411	}
		3412
		3413	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3414
2508	1	3415	1
2509	}	3416	}
2510		3417
		3418	cf::global->attach (on_resource_update => sub {
		3419	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3420	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3421
		3422	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3423	my $sound = $soundconf->{compat}[$_]
		3424	or next;
		3425
		3426	my $face = cf::face::find "sound/$sound->[1]";
		3427	cf::sound::set $sound->[0] => $face;
		3428	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3429	}
		3430
		3431	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3432	my $face = cf::face::find "sound/$v";
		3433	cf::sound::set $k => $face;
		3434	}
		3435	}
		3436	});
		3437
		3438	register_exticmd fx_want => sub {
		3439	my ($ns, $want) = @_;
		3440
		3441	while (my ($k, $v) = each %$want) {
		3442	$ns->fx_want ($k, $v);
		3443	}
		3444	};
		3445
		3446	sub load_resource_file($) {
		3447	my $guard = lock_acquire "load_resource_file";
		3448
		3449	my $status = load_resource_file_ $_[0];
		3450	get_slot 0.1, 100;
		3451	cf::arch::commit_load;
		3452
		3453	$status
		3454	}
		3455
2511	sub reload_regions {	3456	sub reload_regions {
		3457	# HACK to clear player env face cache, we need some signal framework
		3458	# for this (global event?)
		3459	%ext::player_env::MUSIC_FACE_CACHE = ();
		3460
2512	load_resource_file "$MAPDIR/regions"	3461	load_resource_file "$MAPDIR/regions"
2513	or die "unable to load regions file\n";	3462	or die "unable to load regions file\n";
		3463
		3464	for (cf::region::list) {
		3465	$_->{match} = qr/$_->{match}/
		3466	if exists $_->{match};
		3467	}
2514	}	3468	}
2515		3469
2516	sub reload_facedata {	3470	sub reload_facedata {
2517	load_facedata "$DATADIR/facedata"	3471	load_facedata "$DATADIR/facedata"
2518	or die "unable to load facedata\n";	3472	or die "unable to load facedata\n";
…		…
2529	}	3483	}
2530		3484
2531	sub reload_resources {	3485	sub reload_resources {
2532	warn "reloading resource files...\n";	3486	warn "reloading resource files...\n";
2533		3487
2534	reload_regions;
2535	reload_facedata;	3488	reload_facedata;
2536	reload_archetypes;	3489	reload_archetypes;
		3490	reload_regions;
2537	reload_treasures;	3491	reload_treasures;
2538		3492
2539	warn "finished reloading resource files\n";	3493	warn "finished reloading resource files\n";
2540	}	3494	}
2541		3495
2542	sub init {	3496	sub reload_config {
2543	reload_resources;	3497	warn "reloading config file...\n";
2544	}
2545		3498
2546	sub cfg_load {
2547	open my $fh, "<:utf8", "$CONFDIR/config"	3499	open my $fh, "<:utf8", "$CONFDIR/config"
2548	or return;	3500	or return;
2549		3501
2550	local $/;	3502	local $/;
2551	*CFG = YAML::Syck::Load <$fh>;	3503	*CFG = YAML::XS::Load scalar <$fh>;
2552		3504
2553	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3505	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2554		3506
2555	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3507	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2556	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3508	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2560	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3512	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2561	and die "WARNING: m(un)lockall failed: $!\n";	3513	and die "WARNING: m(un)lockall failed: $!\n";
2562	};	3514	};
2563	warn $@ if $@;	3515	warn $@ if $@;
2564	}	3516	}
		3517
		3518	warn "finished reloading resource files\n";
		3519	}
		3520
		3521	sub pidfile() {
		3522	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3523	or die "$PIDFILE: $!";
		3524	flock $fh, &Fcntl::LOCK_EX
		3525	or die "$PIDFILE: flock: $!";
		3526	$fh
		3527	}
		3528
		3529	# make sure only one server instance is running at any one time
		3530	sub atomic {
		3531	my $fh = pidfile;
		3532
		3533	my $pid = <$fh>;
		3534	kill 9, $pid if $pid > 0;
		3535
		3536	seek $fh, 0, 0;
		3537	print $fh $$;
		3538	}
		3539
		3540	sub main_loop {
		3541	warn "EV::loop starting\n";
		3542	if (1) {
		3543	EV::loop;
		3544	}
		3545	warn "EV::loop returned\n";
		3546	goto &main_loop unless $REALLY_UNLOOP;
2565	}	3547	}
2566		3548
2567	sub main {	3549	sub main {
		3550	cf::init_globals; # initialise logging
		3551
		3552	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3553	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3554	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3555	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3556
		3557	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3558
2568	# we must not ever block the main coroutine	3559	# we must not ever block the main coroutine
2569	local $Coro::idle = sub {	3560	local $Coro::idle = sub {
2570	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3561	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2571	(async {	3562	(async {
2572	Event::one_event;	3563	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3564	EV::loop EV::LOOP_ONESHOT;
2573	})->prio (Coro::PRIO_MAX);	3565	})->prio (Coro::PRIO_MAX);
2574	};	3566	};
2575		3567
2576	cfg_load;	3568	evthread_start IO::AIO::poll_fileno;
		3569
		3570	cf::sync_job {
		3571	cf::init_experience;
		3572	cf::init_anim;
		3573	cf::init_attackmess;
		3574	cf::init_dynamic;
		3575
		3576	cf::load_settings;
		3577	cf::load_materials;
		3578
		3579	reload_resources;
		3580	reload_config;
2577	db_init;	3581	db_init;
		3582
		3583	cf::init_uuid;
		3584	cf::init_signals;
		3585	cf::init_skills;
		3586
		3587	cf::init_beforeplay;
		3588
		3589	atomic;
		3590
2578	load_extensions;	3591	load_extensions;
2579		3592
2580	$TICK_WATCHER->start;	3593	utime time, time, $RUNTIMEFILE;
2581	Event::loop;	3594
		3595	# no (long-running) fork's whatsoever before this point(!)
		3596	use POSIX ();
		3597	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3598
		3599	(pop @POST_INIT)->(0) while @POST_INIT;
		3600	};
		3601
		3602	cf::object::thawer::errors_are_fatal 0;
		3603	warn "parse errors in files are no longer fatal from this point on.\n";
		3604
		3605	main_loop;
2582	}	3606	}
2583		3607
2584	#############################################################################	3608	#############################################################################
2585	# initialisation and cleanup	3609	# initialisation and cleanup
2586		3610
2587	# install some emergency cleanup handlers	3611	# install some emergency cleanup handlers
2588	BEGIN {	3612	BEGIN {
		3613	our %SIGWATCHER = ();
2589	for my $signal (qw(INT HUP TERM)) {	3614	for my $signal (qw(INT HUP TERM)) {
2590	Event->signal (	3615	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2591	reentrant => 0,
2592	data => WF_AUTOCANCEL,
2593	signal => $signal,
2594	prio => 0,
2595	cb => sub {
2596	cf::cleanup "SIG$signal";	3616	cf::cleanup "SIG$signal";
2597	},
2598	);	3617	};
		3618	}
		3619	}
		3620
		3621	sub write_runtime_sync {
		3622	my $t0 = AE::time;
		3623
		3624	# first touch the runtime file to show we are still running:
		3625	# the fsync below can take a very very long time.
		3626
		3627	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3628
		3629	my $guard = cf::lock_acquire "write_runtime";
		3630
		3631	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3632	or return;
		3633
		3634	my $value = $cf::RUNTIME + 90 + 10;
		3635	# 10 is the runtime save interval, for a monotonic clock
		3636	# 60 allows for the watchdog to kill the server.
		3637
		3638	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3639	and return;
		3640
		3641	# always fsync - this file is important
		3642	aio_fsync $fh
		3643	and return;
		3644
		3645	# touch it again to show we are up-to-date
		3646	aio_utime $fh, undef, undef;
		3647
		3648	close $fh
		3649	or return;
		3650
		3651	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3652	and return;
		3653
		3654	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3655
2599	}	3656	1
		3657	}
		3658
		3659	our $uuid_lock;
		3660	our $uuid_skip;
		3661
		3662	sub write_uuid_sync($) {
		3663	$uuid_skip ||= $_[0];
		3664
		3665	return if $uuid_lock;
		3666	local $uuid_lock = 1;
		3667
		3668	my $uuid = "$LOCALDIR/uuid";
		3669
		3670	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3671	or return;
		3672
		3673	my $value = uuid_seq uuid_cur;
		3674
		3675	unless ($value) {
		3676	warn "cowardly refusing to write zero uuid value!\n";
		3677	return;
		3678	}
		3679
		3680	my $value = uuid_str $value + $uuid_skip;
		3681	$uuid_skip = 0;
		3682
		3683	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3684	and return;
		3685
		3686	# always fsync - this file is important
		3687	aio_fsync $fh
		3688	and return;
		3689
		3690	close $fh
		3691	or return;
		3692
		3693	aio_rename "$uuid~", $uuid
		3694	and return;
		3695
		3696	warn "uuid file written ($value).\n";
		3697
		3698	1
		3699
		3700	}
		3701
		3702	sub write_uuid($$) {
		3703	my ($skip, $sync) = @_;
		3704
		3705	$sync ? write_uuid_sync $skip
		3706	: async { write_uuid_sync $skip };
2600	}	3707	}
2601		3708
2602	sub emergency_save() {	3709	sub emergency_save() {
2603	my $freeze_guard = cf::freeze_mainloop;	3710	my $freeze_guard = cf::freeze_mainloop;
2604		3711
2605	warn "enter emergency perl save\n";	3712	warn "emergency_perl_save: enter\n";
2606		3713
2607	cf::sync_job {	3714	cf::sync_job {
		3715	# this is a trade-off: we want to be very quick here, so
		3716	# save all maps without fsync, and later call a global sync
		3717	# (which in turn might be very very slow)
		3718	local $USE_FSYNC = 0;
		3719
2608	# use a peculiar iteration method to avoid tripping on perl	3720	# use a peculiar iteration method to avoid tripping on perl
2609	# refcount bugs in for. also avoids problems with players	3721	# refcount bugs in for. also avoids problems with players
2610	# and maps saved/destroyed asynchronously.	3722	# and maps saved/destroyed asynchronously.
2611	warn "begin emergency player save\n";	3723	warn "emergency_perl_save: begin player save\n";
2612	for my $login (keys %cf::PLAYER) {	3724	for my $login (keys %cf::PLAYER) {
2613	my $pl = $cf::PLAYER{$login} or next;	3725	my $pl = $cf::PLAYER{$login} or next;
2614	$pl->valid or next;	3726	$pl->valid or next;
		3727	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2615	$pl->save;	3728	$pl->save;
2616	}	3729	}
2617	warn "end emergency player save\n";	3730	warn "emergency_perl_save: end player save\n";
2618		3731
2619	warn "begin emergency map save\n";	3732	warn "emergency_perl_save: begin map save\n";
2620	for my $path (keys %cf::MAP) {	3733	for my $path (keys %cf::MAP) {
2621	my $map = $cf::MAP{$path} or next;	3734	my $map = $cf::MAP{$path} or next;
2622	$map->valid or next;	3735	$map->valid or next;
2623	$map->save;	3736	$map->save;
2624	}	3737	}
2625	warn "end emergency map save\n";	3738	warn "emergency_perl_save: end map save\n";
2626		3739
2627	warn "begin emergency database checkpoint\n";	3740	warn "emergency_perl_save: begin database checkpoint\n";
2628	BDB::db_env_txn_checkpoint $DB_ENV;	3741	BDB::db_env_txn_checkpoint $DB_ENV;
2629	warn "end emergency database checkpoint\n";	3742	warn "emergency_perl_save: end database checkpoint\n";
		3743
		3744	warn "emergency_perl_save: begin write uuid\n";
		3745	write_uuid_sync 1;
		3746	warn "emergency_perl_save: end write uuid\n";
2630	};	3747	};
2631		3748
		3749	warn "emergency_perl_save: starting sync()\n";
		3750	IO::AIO::aio_sync sub {
		3751	warn "emergency_perl_save: finished sync()\n";
		3752	};
		3753
2632	warn "leave emergency perl save\n";	3754	warn "emergency_perl_save: leave\n";
2633	}	3755	}
2634		3756
2635	sub post_cleanup {	3757	sub post_cleanup {
2636	my ($make_core) = @_;	3758	my ($make_core) = @_;
2637		3759
2638	warn Carp::longmess "post_cleanup backtrace"	3760	warn Carp::longmess "post_cleanup backtrace"
2639	if $make_core;	3761	if $make_core;
		3762
		3763	my $fh = pidfile;
		3764	unlink $PIDFILE if <$fh> == $$;
		3765	}
		3766
		3767	# a safer delete_package, copied from Symbol
		3768	sub clear_package($) {
		3769	my $pkg = shift;
		3770
		3771	# expand to full symbol table name if needed
		3772	unless ($pkg =~ /^main::.*::$/) {
		3773	$pkg = "main$pkg" if $pkg =~ /^::/;
		3774	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3775	$pkg .= '::' unless $pkg =~ /::$/;
		3776	}
		3777
		3778	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3779	my $stem_symtab = *{$stem}{HASH};
		3780
		3781	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3782	or return;
		3783
		3784	# clear all symbols
		3785	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3786	for my $name (keys %$leaf_symtab) {
		3787	_gv_clear *{"$pkg$name"};
		3788	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3789	}
		3790	warn "cleared package $pkg\n";#d#
2640	}	3791	}
2641		3792
2642	sub do_reload_perl() {	3793	sub do_reload_perl() {
2643	# can/must only be called in main	3794	# can/must only be called in main
2644	if ($Coro::current != $Coro::main) {	3795	if ($Coro::current != $Coro::main) {
2645	warn "can only reload from main coroutine";	3796	warn "can only reload from main coroutine";
2646	return;	3797	return;
2647	}	3798	}
2648		3799
		3800	return if $RELOAD++;
		3801
		3802	my $t1 = AE::time;
		3803
		3804	while ($RELOAD) {
2649	warn "reloading...";	3805	warn "reloading...";
2650		3806
2651	warn "entering sync_job";	3807	warn "entering sync_job";
2652		3808
2653	cf::sync_job {	3809	cf::sync_job {
2654	cf::write_runtime; # external watchdog should not bark	3810	cf::write_runtime_sync; # external watchdog should not bark
2655	cf::emergency_save;	3811	cf::emergency_save;
2656	cf::write_runtime; # external watchdog should not bark	3812	cf::write_runtime_sync; # external watchdog should not bark
2657		3813
2658	warn "syncing database to disk";	3814	warn "syncing database to disk";
2659	BDB::db_env_txn_checkpoint $DB_ENV;	3815	BDB::db_env_txn_checkpoint $DB_ENV;
2660		3816
2661	# if anything goes wrong in here, we should simply crash as we already saved	3817	# if anything goes wrong in here, we should simply crash as we already saved
2662		3818
2663	warn "cancelling all WF_AUTOCANCEL watchers";
2664	for (Event::all_watchers) {
2665	$_->cancel if $_->data & WF_AUTOCANCEL;
2666	}
2667
2668	warn "flushing outstanding aio requests";	3819	warn "flushing outstanding aio requests";
2669	for (;;) {
2670	BDB::flush;
2671	IO::AIO::flush;
2672	Coro::cede;
2673	last unless IO::AIO::nreqs || BDB::nreqs;	3820	while (IO::AIO::nreqs || BDB::nreqs) {
2674	warn "iterate...";	3821	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2675	}
2676
2677	++$RELOAD;
2678
2679	warn "cancelling all extension coros";
2680	$_->cancel for values %EXT_CORO;
2681	%EXT_CORO = ();
2682
2683	warn "removing commands";
2684	%COMMAND = ();
2685
2686	warn "removing ext commands";
2687	%EXTCMD = ();
2688
2689	warn "unloading/nuking all extensions";
2690	for my $pkg (@EXTS) {
2691	warn "... unloading $pkg";
2692
2693	if (my $cb = $pkg->can ("unload")) {
2694	eval {
2695	$cb->($pkg);
2696	1
2697	} or warn "$pkg unloaded, but with errors: $@";
2698	}	3822	}
2699		3823
2700	warn "... nuking $pkg";	3824	warn "cancelling all extension coros";
2701	Symbol::delete_package $pkg;	3825	$_->cancel for values %EXT_CORO;
2702	}	3826	%EXT_CORO = ();
2703		3827
2704	warn "unloading all perl modules loaded from $LIBDIR";	3828	warn "removing commands";
2705	while (my ($k, $v) = each %INC) {	3829	%COMMAND = ();
2706	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2707		3830
		3831	warn "removing ext/exti commands";
		3832	%EXTCMD = ();
		3833	%EXTICMD = ();
		3834
		3835	warn "unloading/nuking all extensions";
		3836	for my $pkg (@EXTS) {
2708	warn "... unloading $k";	3837	warn "... unloading $pkg";
2709	delete $INC{$k};
2710		3838
2711	$k =~ s/\.pm$//;
2712	$k =~ s/\//::/g;
2713
2714	if (my $cb = $k->can ("unload_module")) {	3839	if (my $cb = $pkg->can ("unload")) {
		3840	eval {
2715	$cb->();	3841	$cb->($pkg);
		3842	1
		3843	} or warn "$pkg unloaded, but with errors: $@";
		3844	}
		3845
		3846	warn "... clearing $pkg";
		3847	clear_package $pkg;
2716	}	3848	}
2717		3849
2718	Symbol::delete_package $k;	3850	warn "unloading all perl modules loaded from $LIBDIR";
		3851	while (my ($k, $v) = each %INC) {
		3852	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3853
		3854	warn "... unloading $k";
		3855	delete $INC{$k};
		3856
		3857	$k =~ s/\.pm$//;
		3858	$k =~ s/\//::/g;
		3859
		3860	if (my $cb = $k->can ("unload_module")) {
		3861	$cb->();
		3862	}
		3863
		3864	clear_package $k;
2719	}	3865	}
2720		3866
2721	warn "getting rid of safe::, as good as possible";	3867	warn "getting rid of safe::, as good as possible";
2722	Symbol::delete_package "safe::$_"	3868	clear_package "safe::$_"
2723	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3869	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2724		3870
2725	warn "unloading cf.pm \"a bit\"";	3871	warn "unloading cf.pm \"a bit\"";
2726	delete $INC{"cf.pm"};	3872	delete $INC{"cf.pm"};
2727	delete $INC{"cf/pod.pm"};	3873	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2728		3874
2729	# don't, removes xs symbols, too,	3875	# don't, removes xs symbols, too,
2730	# and global variables created in xs	3876	# and global variables created in xs
2731	#Symbol::delete_package __PACKAGE__;	3877	#clear_package __PACKAGE__;
2732		3878
2733	warn "unload completed, starting to reload now";	3879	warn "unload completed, starting to reload now";
2734		3880
2735	warn "reloading cf.pm";	3881	warn "reloading cf.pm";
2736	require cf;	3882	require cf;
2737	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3883	cf::_connect_to_perl_1;
2738		3884
2739	warn "loading config and database again";	3885	warn "loading config and database again";
2740	cf::cfg_load;	3886	cf::reload_config;
2741		3887
2742	warn "loading extensions";	3888	warn "loading extensions";
2743	cf::load_extensions;	3889	cf::load_extensions;
2744		3890
		3891	if ($REATTACH_ON_RELOAD) {
2745	warn "reattaching attachments to objects/players";	3892	warn "reattaching attachments to objects/players";
2746	_global_reattach; # objects, sockets	3893	_global_reattach; # objects, sockets
2747	warn "reattaching attachments to maps";	3894	warn "reattaching attachments to maps";
2748	reattach $_ for values %MAP;	3895	reattach $_ for values %MAP;
2749	warn "reattaching attachments to players";	3896	warn "reattaching attachments to players";
2750	reattach $_ for values %PLAYER;	3897	reattach $_ for values %PLAYER;
		3898	}
2751		3899
		3900	warn "running post_init jobs";
		3901	(pop @POST_INIT)->(1) while @POST_INIT;
		3902
2752	warn "leaving sync_job";	3903	warn "leaving sync_job";
2753		3904
2754	1	3905	1
2755	} or do {	3906	} or do {
2756	warn $@;	3907	warn $@;
2757	warn "error while reloading, exiting.";	3908	cf::cleanup "error while reloading, exiting.";
2758	exit 1;
2759	};	3909	};
2760		3910
2761	warn "reloaded";	3911	warn "reloaded";
		3912	--$RELOAD;
		3913	}
		3914
		3915	$t1 = AE::time - $t1;
		3916	warn "reload completed in ${t1}s\n";
2762	};	3917	};
2763		3918
2764	our $RELOAD_WATCHER; # used only during reload	3919	our $RELOAD_WATCHER; # used only during reload
2765		3920
2766	sub reload_perl() {	3921	sub reload_perl() {
2767	# doing reload synchronously and two reloads happen back-to-back,	3922	# doing reload synchronously and two reloads happen back-to-back,
2768	# coro crashes during coro_state_free->destroy here.	3923	# coro crashes during coro_state_free->destroy here.
2769		3924
2770	$RELOAD_WATCHER ||= Event->timer (	3925	$RELOAD_WATCHER ||= cf::async {
2771	reentrant => 0,	3926	Coro::AIO::aio_wait cache_extensions;
2772	after => 0,	3927
2773	data => WF_AUTOCANCEL,	3928	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2774	cb => sub {
2775	do_reload_perl;	3929	do_reload_perl;
2776	undef $RELOAD_WATCHER;	3930	undef $RELOAD_WATCHER;
2777	},	3931	};
2778	);	3932	};
2779	}	3933	}
2780		3934
2781	register_command "reload" => sub {	3935	register_command "reload" => sub {
2782	my ($who, $arg) = @_;	3936	my ($who, $arg) = @_;
2783		3937
2784	if ($who->flag (FLAG_WIZ)) {	3938	if ($who->flag (FLAG_WIZ)) {
2785	$who->message ("reloading server.");	3939	$who->message ("reloading server.");
		3940	async {
		3941	$Coro::current->{desc} = "perl_reload";
2786	async { reload_perl };	3942	reload_perl;
		3943	};
2787	}	3944	}
2788	};	3945	};
2789		3946
2790	unshift @INC, $LIBDIR;	3947	unshift @INC, $LIBDIR;
2791		3948
…		…
2793		3950
2794	our @WAIT_FOR_TICK;	3951	our @WAIT_FOR_TICK;
2795	our @WAIT_FOR_TICK_BEGIN;	3952	our @WAIT_FOR_TICK_BEGIN;
2796		3953
2797	sub wait_for_tick {	3954	sub wait_for_tick {
2798	return unless $TICK_WATCHER->is_active;
2799	return if $Coro::current == $Coro::main;	3955	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2800		3956
2801	my $signal = new Coro::Signal;	3957	my $signal = new Coro::Signal;
2802	push @WAIT_FOR_TICK, $signal;	3958	push @WAIT_FOR_TICK, $signal;
2803	$signal->wait;	3959	$signal->wait;
2804	}	3960	}
2805		3961
2806	sub wait_for_tick_begin {	3962	sub wait_for_tick_begin {
2807	return unless $TICK_WATCHER->is_active;
2808	return if $Coro::current == $Coro::main;	3963	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2809		3964
2810	my $signal = new Coro::Signal;	3965	my $signal = new Coro::Signal;
2811	push @WAIT_FOR_TICK_BEGIN, $signal;	3966	push @WAIT_FOR_TICK_BEGIN, $signal;
2812	$signal->wait;	3967	$signal->wait;
2813	}	3968	}
2814		3969
2815	$TICK_WATCHER = Event->timer (	3970	sub tick {
2816	reentrant => 0,
2817	parked => 1,
2818	prio => 0,
2819	at => $NEXT_TICK || $TICK,
2820	data => WF_AUTOCANCEL,
2821	cb => sub {
2822	if ($Coro::current != $Coro::main) {	3971	if ($Coro::current != $Coro::main) {
2823	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3972	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2824	unless ++$bug_warning > 10;	3973	unless ++$bug_warning > 10;
2825	return;	3974	return;
2826	}	3975	}
2827		3976
2828	$NOW = Event::time;
2829
2830	cf::server_tick; # one server iteration	3977	cf::server_tick; # one server iteration
2831		3978
2832	$RUNTIME += $TICK;	3979	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2833	$NEXT_TICK += $TICK;
2834		3980
2835	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3981	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2836	$NEXT_RUNTIME_WRITE = $NOW + 10;	3982	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2837	Coro::async_pool {	3983	Coro::async_pool {
		3984	$Coro::current->{desc} = "runtime saver";
2838	write_runtime	3985	write_runtime_sync
2839	or warn "ERROR: unable to write runtime file: $!";	3986	or warn "ERROR: unable to write runtime file: $!";
2840	};
2841	}	3987	};
		3988	}
2842		3989
2843	# my $AFTER = Event::time;
2844	# warn $AFTER - $NOW;#d#
2845
2846	# if we are delayed by four ticks or more, skip them all
2847	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2848
2849	$TICK_WATCHER->at ($NEXT_TICK);
2850	$TICK_WATCHER->start;
2851
2852	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3990	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2853	$sig->send;	3991	$sig->send;
2854	}	3992	}
2855	while (my $sig = shift @WAIT_FOR_TICK) {	3993	while (my $sig = shift @WAIT_FOR_TICK) {
2856	$sig->send;	3994	$sig->send;
2857	}
2858
2859	_post_tick;
2860	},	3995	}
2861	);	3996
		3997	$LOAD = ($NOW - $TICK_START) / $TICK;
		3998	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3999
		4000	if (0) {
		4001	if ($NEXT_TICK) {
		4002	my $jitter = $TICK_START - $NEXT_TICK;
		4003	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4004	warn "jitter $JITTER\n";#d#
		4005	}
		4006	}
		4007	}
2862		4008
2863	{	4009	{
2864	BDB::max_poll_time $TICK * 0.1;	4010	# configure BDB
2865	$BDB_POLL_WATCHER = Event->io (	4011
2866	reentrant => 0,
2867	fd => BDB::poll_fileno,
2868	poll => 'r',
2869	prio => 0,
2870	data => WF_AUTOCANCEL,
2871	cb => \&BDB::poll_cb,
2872	);
2873	BDB::min_parallel 8;	4012	BDB::min_parallel 16;
2874		4013	BDB::max_poll_reqs $TICK * 0.1;
2875	BDB::set_sync_prepare {	4014	$AnyEvent::BDB::WATCHER->priority (1);
2876	my $status;
2877	my $current = $Coro::current;
2878	(
2879	sub {
2880	$status = $!;
2881	$current->ready; undef $current;
2882	},
2883	sub {
2884	Coro::schedule while defined $current;
2885	$! = $status;
2886	},
2887	)
2888	};
2889		4015
2890	unless ($DB_ENV) {	4016	unless ($DB_ENV) {
2891	$DB_ENV = BDB::db_env_create;	4017	$DB_ENV = BDB::db_env_create;
		4018	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4019	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4020	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4021	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4022	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2892		4023
2893	cf::sync_job {	4024	cf::sync_job {
2894	eval {	4025	eval {
2895	BDB::db_env_open	4026	BDB::db_env_open
2896	$DB_ENV,	4027	$DB_ENV,
…		…
2898	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4029	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2899	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4030	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2900	0666;	4031	0666;
2901		4032
2902	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4033	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2903
2904	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2905	$DB_ENV->set_lk_detect;
2906	};	4034	};
2907		4035
2908	cf::cleanup "db_env_open(db): $@" if $@;	4036	cf::cleanup "db_env_open(db): $@" if $@;
2909	};	4037	};
2910	}	4038	}
		4039
		4040	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4041	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4042	};
		4043	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4044	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4045	};
		4046	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4047	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4048	};
2911	}	4049	}
2912		4050
2913	{	4051	{
		4052	# configure IO::AIO
		4053
2914	IO::AIO::min_parallel 8;	4054	IO::AIO::min_parallel 8;
2915
2916	undef $Coro::AIO::WATCHER;
2917	IO::AIO::max_poll_time $TICK * 0.1;	4055	IO::AIO::max_poll_time $TICK * 0.1;
2918	$AIO_POLL_WATCHER = Event->io (	4056	undef $AnyEvent::AIO::WATCHER;
2919	reentrant => 0,
2920	data => WF_AUTOCANCEL,
2921	fd => IO::AIO::poll_fileno,
2922	poll => 'r',
2923	prio => 6,
2924	cb => \&IO::AIO::poll_cb,
2925	);
2926	}	4057	}
		4058
		4059	my $_log_backtrace;
2927		4060
2928	sub _log_backtrace {	4061	sub _log_backtrace {
2929	my ($msg, @addr) = @_;	4062	my ($msg, @addr) = @_;
2930		4063
		4064	$msg =~ s/\n//;
		4065
		4066	# limit the # of concurrent backtraces
		4067	if ($_log_backtrace < 2) {
		4068	++$_log_backtrace;
		4069	my $perl_bt = Carp::longmess $msg;
2931	async {	4070	async {
		4071	$Coro::current->{desc} = "abt $msg";
		4072
2932	my @bt = fork_call {	4073	my @bt = fork_call {
2933	@addr = map { sprintf "%x", $_ } @addr;	4074	@addr = map { sprintf "%x", $_ } @addr;
		4075	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2934	open my $fh, "exec addr2line -C -f -i -e \Q$^X\E @addr 2>&1 |"	4076	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2935	or die "addr2line: $!";	4077	or die "addr2line: $!";
2936		4078
2937	my @funcs;	4079	my @funcs;
2938	my @res = <$fh>;	4080	my @res = <$fh>;
2939	chomp for @res;	4081	chomp for @res;
2940	while (@res) {	4082	while (@res) {
2941	my ($func, $line) = splice @res, 0, 2, ();	4083	my ($func, $line) = splice @res, 0, 2, ();
2942	push @funcs, "[$func] $line";	4084	push @funcs, "[$func] $line";
		4085	}
		4086
		4087	@funcs
2943	}	4088	};
2944		4089
2945	@funcs	4090	LOG llevInfo, "[ABT] $perl_bt\n";
		4091	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4092	LOG llevInfo, "[ABT] $_\n" for @bt;
		4093	--$_log_backtrace;
2946	};	4094	};
2947		4095	} else {
2948	$msg =~ s/\n//;
2949
2950	LOG llevInfo, "[ABT] $msg\n";	4096	LOG llevInfo, "[ABT] $msg\n";
2951	LOG llevInfo, "[ABT] $_\n" for @bt;	4097	LOG llevInfo, "[ABT] [suppressed]\n";
2952	};	4098	}
2953	}	4099	}
2954		4100
2955	# load additional modules	4101	# load additional modules
2956	use cf::pod;	4102	require "cf/$_.pm" for @EXTRA_MODULES;
		4103	cf::_connect_to_perl_2;
2957		4104
2958	END { cf::emergency_save }	4105	END { cf::emergency_save }
2959		4106
2960	1	4107	1
2961		4108

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