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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.254 by root, Thu Apr 19 11:12:45 2007 UTC vs.
Revision 1.518 by root, Fri Apr 16 02:21:26 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-\x09\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};
		2069
		2070	{
1495	my $guard = cf::lock_acquire "map_load:$path";	2071	my $guard = cf::lock_acquire "map_data:$path";
1496		2072
		2073	return unless $self->valid;
1497	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1498		2075
1499	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1500		2077
1501	$self->alloc;	2078	$self->alloc;
1502		2079
1503	$self->pre_load;	2080	$self->pre_load;
1504	Coro::cede;	2081	cf::cede_to_tick;
1505		2082
1506	$self->_load_objects ($self->{load_path}, 1)	2083	my $f = new_from_file cf::object::thawer $self->{load_path};
		2084	$f->skip_block;
		2085	$self->_load_objects ($f)
1507	or return;	2086	or return;
1508		2087
1509	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->post_load_original
1510	if delete $self->{load_original};	2089	if delete $self->{load_original};
1511		2090
1512	if (my $uniq = $self->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1513	utf8::encode $uniq;	2092	utf8::encode $uniq;
1514	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1515	$self->clear_unique_items;	2095	$self->clear_unique_items;
1516	$self->_load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1517	}	2099	}
1518	}	2100	}
1519		2101
1520	Coro::cede;	2102	$f->resolve_delayed_derefs;
		2103
		2104	cf::cede_to_tick;
1521	# now do the right thing for maps	2105	# now do the right thing for maps
1522	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1523	Coro::cede;
1524
1525	unless ($self->{deny_activate}) {
1526	$self->decay_objects;
1527	$self->fix_auto_apply;
1528	$self->update_buttons;
1529	Coro::cede;
1530	$self->set_darkness_map;
1531	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
1532	unless $self->difficulty;	2108	unless $self->difficulty;
1533	Coro::cede;	2109	cf::cede_to_tick;
		2110
		2111	unless ($self->{deny_activate}) {
		2112	$self->decay_objects;
		2113	$self->fix_auto_apply;
		2114	$self->update_buttons;
		2115	cf::cede_to_tick;
1534	$self->activate;	2116	$self->activate;
1535	Coro::cede;	2117	}
		2118
		2119	$self->{last_save} = $cf::RUNTIME;
		2120	$self->last_access ($cf::RUNTIME);
		2121
		2122	$self->in_memory (cf::MAP_ACTIVE);
1536	}	2123	}
1537		2124
1538	$self->post_load;	2125	$self->post_load;
1539	Coro::cede;
1540
1541	$self->in_memory (cf::MAP_IN_MEMORY);
1542	}	2126	}
1543		2127
		2128	# customize the map for a given player, i.e.
		2129	# return the _real_ map. used by e.g. per-player
		2130	# maps to change the path to ~playername/mappath
1544	sub customise_for {	2131	sub customise_for {
1545	my ($self, $ob) = @_;	2132	my ($self, $ob) = @_;
1546		2133
1547	return find "~" . $ob->name . "/" . $self->{path}	2134	return find "~" . $ob->name . "/" . $self->{path}
1548	if $self->per_player;	2135	if $self->per_player;
1549		2136
		2137	# return find "?party/" . $ob->name . "/" . $self->{path}
		2138	# if $self->per_party;
		2139
1550	$self	2140	$self
1551	}	2141	}
1552		2142
1553	# find and load all maps in the 3x3 area around a map	2143	# find and load all maps in the 3x3 area around a map
1554	sub load_diag {	2144	sub load_neighbours {
1555	my ($map) = @_;	2145	my ($map) = @_;
1556		2146
1557	my @diag; # diagonal neighbours	2147	my @neigh; # diagonal neighbours
1558		2148
1559	for (0 .. 3) {	2149	for (0 .. 3) {
1560	my $neigh = $map->tile_path ($_)	2150	my $neigh = $map->tile_path ($_)
1561	or next;	2151	or next;
1562	$neigh = find $neigh, $map	2152	$neigh = find $neigh, $map
1563	or next;	2153	or next;
1564	$neigh->load;	2154	$neigh->load;
1565		2155
		2156	push @neigh,
1566	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2157	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1567	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2158	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1568	}	2159	}
1569		2160
1570	for (@diag) {	2161	for (grep defined $_->[0], @neigh) {
		2162	my ($path, $origin) = @$_;
1571	my $neigh = find @$_	2163	my $neigh = find $path, $origin
1572	or next;	2164	or next;
1573	$neigh->load;	2165	$neigh->load;
1574	}	2166	}
1575	}	2167	}
1576		2168
…		…
1581	}	2173	}
1582		2174
1583	sub do_load_sync {	2175	sub do_load_sync {
1584	my ($map) = @_;	2176	my ($map) = @_;
1585		2177
		2178	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2179	if $Coro::current == $Coro::main;
		2180
1586	cf::sync_job { $map->load };	2181	cf::sync_job { $map->load };
1587	}	2182	}
1588		2183
1589	our %MAP_PREFETCH;	2184	our %MAP_PREFETCH;
1590	our $MAP_PREFETCHER = undef;	2185	our $MAP_PREFETCHER = undef;
1591		2186
1592	sub find_async {	2187	sub find_async {
1593	my ($path, $origin) = @_;	2188	my ($path, $origin, $load) = @_;
1594		2189
1595	$path = normalise $path, $origin && $origin->{path};	2190	$path = normalise $path, $origin && $origin->{path};
1596		2191
1597	if (my $map = $cf::MAP{$path}) {	2192	if (my $map = $cf::MAP{$path}) {
1598	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2193	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1599	}	2194	}
1600		2195
1601	undef $MAP_PREFETCH{$path};	2196	$MAP_PREFETCH{$path} |= $load;
		2197
1602	$MAP_PREFETCHER ||= cf::async {	2198	$MAP_PREFETCHER ||= cf::async {
		2199	$Coro::current->{desc} = "map prefetcher";
		2200
1603	while (%MAP_PREFETCH) {	2201	while (%MAP_PREFETCH) {
1604	for my $path (keys %MAP_PREFETCH) {	2202	while (my ($k, $v) = each %MAP_PREFETCH) {
1605	my $map = find $path	2203	if (my $map = find $k) {
1606	or next;
1607	$map->load;	2204	$map->load if $v;
		2205	}
1608		2206
1609	delete $MAP_PREFETCH{$path};	2207	delete $MAP_PREFETCH{$k};
1610	}	2208	}
1611	}	2209	}
1612	undef $MAP_PREFETCHER;	2210	undef $MAP_PREFETCHER;
1613	};	2211	};
1614	$MAP_PREFETCHER->prio (6);	2212	$MAP_PREFETCHER->prio (6);
1615		2213
1616	()	2214	()
1617	}	2215	}
1618		2216
		2217	# common code, used by both ->save and ->swapout
1619	sub save {	2218	sub _save {
1620	my ($self) = @_;	2219	my ($self) = @_;
1621
1622	my $lock = cf::lock_acquire "map_data:" . $self->path;
1623		2220
1624	$self->{last_save} = $cf::RUNTIME;	2221	$self->{last_save} = $cf::RUNTIME;
1625		2222
1626	return unless $self->dirty;	2223	return unless $self->dirty;
1627		2224
…		…
1633	return if $self->{deny_save};	2230	return if $self->{deny_save};
1634		2231
1635	local $self->{last_access} = $self->last_access;#d#	2232	local $self->{last_access} = $self->last_access;#d#
1636		2233
1637	cf::async {	2234	cf::async {
		2235	$Coro::current->{desc} = "map player save";
1638	$_->contr->save for $self->players;	2236	$_->contr->save for $self->players;
1639	};	2237	};
		2238
		2239	cf::get_slot 0.02;
1640		2240
1641	if ($uniq) {	2241	if ($uniq) {
1642	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2242	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1643	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2243	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1644	} else {	2244	} else {
1645	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2245	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1646	}	2246	}
1647	}	2247	}
1648		2248
		2249	sub save {
		2250	my ($self) = @_;
		2251
		2252	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2253
		2254	$self->_save;
		2255	}
		2256
1649	sub swap_out {	2257	sub swap_out {
1650	my ($self) = @_;	2258	my ($self) = @_;
1651		2259
1652	# save first because save cedes
1653	$self->save;
1654
1655	my $lock = cf::lock_acquire "map_data:" . $self->path;	2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
1656		2261
		2262	return if $self->in_memory != cf::MAP_ACTIVE;
		2263	return if $self->{deny_save};
1657	return if $self->players;	2264	return if $self->players;
1658	return if $self->in_memory != cf::MAP_IN_MEMORY;
1659	return if $self->{deny_save};
1660		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
1661	$self->clear;	2275	$self->clear;
1662	$self->in_memory (cf::MAP_SWAPPED);
1663	}	2276	}
1664		2277
1665	sub reset_at {	2278	sub reset_at {
1666	my ($self) = @_;	2279	my ($self) = @_;
1667		2280
1668	# TODO: safety, remove and allow resettable per-player maps	2281	# TODO: safety, remove and allow resettable per-player maps
1669	return 1e99 if $self->isa ("ext::map_per_player");#d#
1670	return 1e99 if $self->{deny_reset};	2282	return 1e99 if $self->{deny_reset};
1671		2283
1672	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2284	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1673	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2285	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1674		2286
…		…
1685	my ($self) = @_;	2297	my ($self) = @_;
1686		2298
1687	my $lock = cf::lock_acquire "map_data:$self->{path}";	2299	my $lock = cf::lock_acquire "map_data:$self->{path}";
1688		2300
1689	return if $self->players;	2301	return if $self->players;
1690	return if $self->isa ("ext::map_per_player");#d#
1691		2302
1692	warn "resetting map ", $self->path;#d#	2303	warn "resetting map ", $self->path, "\n";
1693		2304
1694	$self->in_memory (cf::MAP_SWAPPED);	2305	$self->in_memory (cf::MAP_SWAPPED);
1695		2306
1696	# need to save uniques path	2307	# need to save uniques path
1697	unless ($self->{deny_save}) {	2308	unless ($self->{deny_save}) {
…		…
1701	if $uniq;	2312	if $uniq;
1702	}	2313	}
1703		2314
1704	delete $cf::MAP{$self->path};	2315	delete $cf::MAP{$self->path};
1705		2316
		2317	$self->deactivate;
		2318	$_->clear_links_to ($self) for values %cf::MAP;
1706	$self->clear;	2319	$self->clear;
1707
1708	$_->clear_links_to ($self) for values %cf::MAP;
1709		2320
1710	$self->unlink_save;	2321	$self->unlink_save;
1711	$self->destroy;	2322	$self->destroy;
1712	}	2323	}
1713		2324
1714	my $nuke_counter = "aaaa";	2325	my $nuke_counter = "aaaa";
1715		2326
1716	sub nuke {	2327	sub nuke {
1717	my ($self) = @_;	2328	my ($self) = @_;
1718		2329
		2330	{
		2331	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2332
1719	delete $cf::MAP{$self->path};	2333	delete $cf::MAP{$self->path};
1720		2334
1721	$self->unlink_save;	2335	$self->unlink_save;
1722		2336
1723	bless $self, "cf::map";	2337	bless $self, "cf::map";
1724	delete $self->{deny_reset};	2338	delete $self->{deny_reset};
1725	$self->{deny_save} = 1;	2339	$self->{deny_save} = 1;
1726	$self->reset_timeout (1);	2340	$self->reset_timeout (1);
1727	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2341	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1728		2342
1729	$cf::MAP{$self->path} = $self;	2343	$cf::MAP{$self->path} = $self;
		2344	}
1730		2345
1731	$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	]
1732	}	2383	}
1733		2384
1734	=item cf::map::unique_maps	2385	=item cf::map::unique_maps
1735		2386
1736	Returns an arrayref of paths of all shared maps that have	2387	Returns an arrayref of paths of all shared maps that have
1737	instantiated unique items. May block.	2388	instantiated unique items. May block.
1738		2389
1739	=cut	2390	=cut
1740		2391
1741	sub unique_maps() {	2392	sub unique_maps() {
1742	my $files = aio_readdir $UNIQUEDIR	2393	[
1743	or return;	2394	map {
1744
1745	my @paths;
1746
1747	for (@$files) {
1748	utf8::decode $_;	2395	utf8::decode $_;
1749	next if /\.pst$/;	2396	s/\.map$//; # TODO future compatibility hack
1750	next unless /^$PATH_SEP/o;	2397	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1751		2398	? ()
1752	push @paths, cf::map::normalise $_;	2399	: normalise $_
		2400	} @{ aio_readdir $UNIQUEDIR or [] }
1753	}	2401	]
1754
1755	\@paths
1756	}	2402	}
1757		2403
1758	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	}
1759		2435
1760	=back	2436	=back
1761		2437
1762	=head3 cf::object	2438	=head3 cf::object
1763		2439
…		…
1767		2443
1768	=over 4	2444	=over 4
1769		2445
1770	=item $ob->inv_recursive	2446	=item $ob->inv_recursive
1771		2447
1772	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.
1773		2450
1774	=cut	2451	=cut
1775		2452
1776	sub inv_recursive_;	2453	sub inv_recursive_;
1777	sub inv_recursive_ {	2454	sub inv_recursive_ {
…		…
1780		2457
1781	sub inv_recursive {	2458	sub inv_recursive {
1782	inv_recursive_ inv $_[0]	2459	inv_recursive_ inv $_[0]
1783	}	2460	}
1784		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
1785	package cf;	2490	package cf;
1786		2491
1787	=back	2492	=back
1788		2493
1789	=head3 cf::object::player	2494	=head3 cf::object::player
…		…
1795	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>
1796	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
1797	dialogue with the given NPC character.	2502	dialogue with the given NPC character.
1798		2503
1799	=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	};
1800		2519
1801	# rough implementation of a future "reply" method that works	2520	# rough implementation of a future "reply" method that works
1802	# with dialog boxes.	2521	# with dialog boxes.
1803	#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
1804	sub cf::object::player::reply($$$;$) {	2523	sub cf::object::player::reply($$$;$) {
…		…
1806		2525
1807	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2526	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1808		2527
1809	if ($self->{record_replies}) {	2528	if ($self->{record_replies}) {
1810	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2529	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2530
1811	} 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 {
1812	$msg = $npc->name . " says: $msg" if $npc;	2539	$msg = $npc->name . " says: $msg" if $npc;
1813	$self->message ($msg, $flags);	2540	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2541	}
1814	}	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 (@_);
1815	}	2553	}
1816		2554
1817	=item $player_object->may ("access")	2555	=item $player_object->may ("access")
1818		2556
1819	Returns wether the given player is authorized to access resource "access"	2557	Returns wether the given player is authorized to access resource "access"
…		…
1832		2570
1833	=item $player_object->enter_link	2571	=item $player_object->enter_link
1834		2572
1835	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}>).
1836		2574
1837	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.
1838	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.
1839		2579
1840	Will never block.	2580	Will never block.
1841		2581
1842	=item $player_object->leave_link ($map, $x, $y)	2582	=item $player_object->leave_link ($map, $x, $y)
1843		2583
…		…
1866	$self->deactivate_recursive;	2606	$self->deactivate_recursive;
1867		2607
1868	return if UNIVERSAL::isa $self->map, "ext::map_link";	2608	return if UNIVERSAL::isa $self->map, "ext::map_link";
1869		2609
1870	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2610	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1871	if $self->map;	2611	if $self->map && $self->map->{path} ne "{link}";
1872		2612
1873	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2613	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1874	}	2614	}
1875		2615
1876	sub cf::object::player::leave_link {	2616	sub cf::object::player::leave_link {
1877	my ($self, $map, $x, $y) = @_;	2617	my ($self, $map, $x, $y) = @_;
		2618
		2619	return unless $self->contr->active;
1878		2620
1879	my $link_pos = delete $self->{_link_pos};	2621	my $link_pos = delete $self->{_link_pos};
1880		2622
1881	unless ($map) {	2623	unless ($map) {
1882	# restore original map position	2624	# restore original map position
…		…
1893	($x, $y) = (-1, -1)	2635	($x, $y) = (-1, -1)
1894	unless (defined $x) && (defined $y);	2636	unless (defined $x) && (defined $y);
1895		2637
1896	# use -1 or undef as default coordinates, not 0, 0	2638	# use -1 or undef as default coordinates, not 0, 0
1897	($x, $y) = ($map->enter_x, $map->enter_y)	2639	($x, $y) = ($map->enter_x, $map->enter_y)
1898	if $x <=0 && $y <= 0;	2640	if $x <= 0 && $y <= 0;
1899		2641
1900	$map->load;	2642	$map->load;
1901	$map->load_diag;	2643	$map->load_neighbours;
1902		2644
1903	return unless $self->contr->active;	2645	return unless $self->contr->active;
1904	$self->activate_recursive;
1905		2646
1906	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2647	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1907	$self->enter_map ($map, $x, $y);	2648	$self->enter_map ($map, $x, $y);
1908	}
1909		2649
1910	cf::player->attach (	2650	# only activate afterwards, to support waiting in hooks
1911	on_logout => sub {	2651	$self->activate_recursive;
1912	my ($pl) = @_;	2652	}
1913		2653
1914	# abort map switching before logout	2654	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1915	if ($pl->ob->{_link_pos}) {
1916	cf::sync_job {
1917	$pl->ob->leave_link
1918	};
1919	}
1920	},
1921	on_login => sub {
1922	my ($pl) = @_;
1923		2655
1924	# try to abort aborted map switching on player login :)	2656	Moves the player to the given map-path and coordinates by first freezing
1925	# should happen only on crashes	2657	her, loading and preparing them map, calling the provided $check callback
1926	if ($pl->ob->{_link_pos}) {	2658	that has to return the map if sucecssful, and then unfreezes the player on
1927	$pl->ob->enter_link;	2659	the new (success) or old (failed) map position. In either case, $done will
1928	(async {	2660	be called at the end of this process.
1929	$pl->ob->reply (undef,
1930	"There was an internal problem at your last logout, "
1931	. "the server will try to bring you to your intended destination in a second.",
1932	cf::NDI_RED);
1933	# we need this sleep as the login has a concurrent enter_exit running
1934	# and this sleep increases chances of the player not ending up in scorn
1935	Coro::Timer::sleep 1;
1936	$pl->ob->leave_link;
1937	})->prio (2);
1938	}
1939	},
1940	);
1941		2661
1942	=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 >>.
1943		2664
1944	=cut	2665	=cut
		2666
		2667	our $GOTOGEN;
1945		2668
1946	sub cf::object::player::goto {	2669	sub cf::object::player::goto {
1947	my ($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;
1948		2674
1949	$self->enter_link;	2675	$self->enter_link;
1950		2676
1951	(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
1952	my $map = eval {	2699	my $map = eval {
1953	my $map = cf::map::find $path;	2700	my $map = defined $path ? cf::map::find $path : undef;
		2701
		2702	if ($map) {
1954	$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
1955	$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 $@;
1956	} or	2715	}
1957	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1958		2716
		2717	if ($gen == $self->{_goto_generation}) {
		2718	delete $self->{_goto_generation};
1959	$self->leave_link ($map, $x, $y);	2719	$self->leave_link ($map, $x, $y);
		2720	}
		2721
		2722	$done->() if $done;
1960	})->prio (1);	2723	})->prio (1);
1961	}	2724	}
1962		2725
1963	=item $player_object->enter_exit ($exit_object)	2726	=item $player_object->enter_exit ($exit_object)
1964		2727
…		…
1984	}	2747	}
1985		2748
1986	sub prepare_random_map {	2749	sub prepare_random_map {
1987	my ($exit) = @_;	2750	my ($exit) = @_;
1988		2751
1989	my $guard = cf::lock_acquire "exit_prepare:$exit";
1990
1991	# all this does is basically replace the /! path by	2752	# all this does is basically replace the /! path by
1992	# a new random map path (?random/...) with a seed	2753	# a new random map path (?random/...) with a seed
1993	# that depends on the exit object	2754	# that depends on the exit object
1994		2755
1995	my $rmp = parse_random_map_params $exit->msg;	2756	my $rmp = parse_random_map_params $exit->msg;
…		…
1997	if ($exit->map) {	2758	if ($exit->map) {
1998	$rmp->{region} = $exit->region->name;	2759	$rmp->{region} = $exit->region->name;
1999	$rmp->{origin_map} = $exit->map->path;	2760	$rmp->{origin_map} = $exit->map->path;
2000	$rmp->{origin_x} = $exit->x;	2761	$rmp->{origin_x} = $exit->x;
2001	$rmp->{origin_y} = $exit->y;	2762	$rmp->{origin_y} = $exit->y;
		2763
		2764	$exit->map->touch;
2002	}	2765	}
2003		2766
2004	$rmp->{random_seed} ||= $exit->random_seed;	2767	$rmp->{random_seed} ||= $exit->random_seed;
2005		2768
2006	my $data = cf::to_json $rmp;	2769	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2007	my $md5 = Digest::MD5::md5_hex $data;	2770	my $md5 = Digest::MD5::md5_hex $data;
2008	my $meta = "$RANDOMDIR/$md5.meta";	2771	my $meta = "$RANDOMDIR/$md5.meta";
2009		2772
2010	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2773	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2011	aio_write $fh, 0, (length $data), $data, 0;	2774	aio_write $fh, 0, (length $data), $data, 0;
2012	undef $fh;	2775	undef $fh;
2013	aio_rename "$meta~", $meta;	2776	aio_rename "$meta~", $meta;
2014		2777
		2778	my $slaying = "?random/$md5";
		2779
		2780	if ($exit->valid) {
2015	$exit->slaying ("?random/$md5");	2781	$exit->slaying ("?random/$md5");
2016	$exit->msg (undef);	2782	$exit->msg (undef);
		2783	}
2017	}	2784	}
2018	}	2785	}
2019		2786
2020	sub cf::object::player::enter_exit {	2787	sub cf::object::player::enter_exit {
2021	my ($self, $exit) = @_;	2788	my ($self, $exit) = @_;
2022		2789
2023	return unless $self->type == cf::PLAYER;	2790	return unless $self->type == cf::PLAYER;
2024		2791
2025	if ($exit->slaying eq "/!") {
2026	#TODO: this should de-fi-ni-te-ly not be a sync-job
2027	# the problem is that $exit might not survive long enough
2028	# so it needs to be done right now, right here
2029	cf::sync_job { prepare_random_map $exit };
2030	}
2031
2032	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2033	my $hp = $exit->stats->hp;
2034	my $sp = $exit->stats->sp;
2035
2036	$self->enter_link;	2792	$self->enter_link;
2037		2793
2038	(async {	2794	(async {
2039	$self->deactivate_recursive; # just to be sure	2795	$Coro::current->{desc} = "enter_exit";
		2796
2040	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
2041	$self->goto ($slaying, $hp, $sp);	2812	$self->goto ($map, $x, $y);
2042		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
2043	1;	2818	1
2044	}) {	2819	}) {
2045	$self->message ("Something went wrong deep within the crossfire server. "	2820	$self->message ("Something went wrong deep within the deliantra server. "
2046	. "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. "
2047	. "Please report this to the dungeon master!",	2822	. "Please report this to the dungeon master!",
2048	cf::NDI_UNIQUE | cf::NDI_RED);	2823	cf::NDI_UNIQUE | cf::NDI_RED);
2049		2824
2050	warn "ERROR in enter_exit: $@";	2825	warn "ERROR in enter_exit: $@";
…		…
2069		2844
2070	utf8::encode $text;	2845	utf8::encode $text;
2071	$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);
2072	}	2847	}
2073		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
2074	=item $client->ext_event ($type, %msg)	3036	=item $client->ext_msg ($type, @msg)
2075		3037
2076	Sends an exti event to the client.	3038	Sends an ext event to the client.
2077		3039
2078	=cut	3040	=cut
2079		3041
2080	sub cf::client::ext_event($$%) {	3042	sub cf::client::ext_msg($$@) {
2081	my ($self, $type, %msg) = @_;	3043	my ($self, $type, @msg) = @_;
2082		3044
		3045	if ($self->extcmd == 2) {
		3046	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3047	} elsif ($self->extcmd == 1) { # TODO: remove
2083	$msg{msgtype} = "event_$type";	3048	push @msg, msgtype => "event_$type";
2084	$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	}
2085	}	3069	}
2086		3070
2087	=item $success = $client->query ($flags, "text", \&cb)	3071	=item $success = $client->query ($flags, "text", \&cb)
2088		3072
2089	Queues a query to the client, calling the given callback with	3073	Queues a query to the client, calling the given callback with
2090	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>,
2091	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>.
2092		3076
2093	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
2094	reliable at some point in the future.	3078	become reliable at some point in the future.
2095		3079
2096	=cut	3080	=cut
2097		3081
2098	sub cf::client::query {	3082	sub cf::client::query {
2099	my ($self, $flags, $text, $cb) = @_;	3083	my ($self, $flags, $text, $cb) = @_;
…		…
2107	utf8::encode $text;	3091	utf8::encode $text;
2108	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2109		3093
2110	$self->send_packet ($self->{query_queue}[0][0])	3094	$self->send_packet ($self->{query_queue}[0][0])
2111	if @{ $self->{query_queue} } == 1;	3095	if @{ $self->{query_queue} } == 1;
		3096
		3097	1
2112	}	3098	}
2113		3099
2114	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	},
2115	on_reply => sub {	3106	on_reply => sub {
2116	my ($ns, $msg) = @_;	3107	my ($ns, $msg) = @_;
2117		3108
2118	# this weird shuffling is so that direct followup queries	3109	# this weird shuffling is so that direct followup queries
2119	# get handled first	3110	# get handled first
…		…
2131	} else {	3122	} else {
2132	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3123	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2133	}	3124	}
2134	}	3125	}
2135	},	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	},
2136	);	3153	);
2137		3154
2138	=item $client->async (\&cb)	3155	=item $client->async (\&cb)
2139		3156
2140	Create a new coroutine, running the specified callback. The coroutine will	3157	Create a new coroutine, running the specified callback. The coroutine will
…		…
2156		3173
2157	$coro	3174	$coro
2158	}	3175	}
2159		3176
2160	cf::client->attach (	3177	cf::client->attach (
2161	on_destroy => sub {	3178	on_client_destroy => sub {
2162	my ($ns) = @_;	3179	my ($ns) = @_;
2163		3180
2164	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3181	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2165	},	3182	},
2166	);	3183	);
…		…
2181	our $safe = new Safe "safe";	3198	our $safe = new Safe "safe";
2182	our $safe_hole = new Safe::Hole;	3199	our $safe_hole = new Safe::Hole;
2183		3200
2184	$SIG{FPE} = 'IGNORE';	3201	$SIG{FPE} = 'IGNORE';
2185		3202
2186	$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	));
2187		3208
2188	# here we export the classes and methods available to script code	3209	# here we export the classes and methods available to script code
2189		3210
2190	=pod	3211	=pod
2191		3212
2192	The following functions and methods are available within a safe environment:	3213	The following functions and methods are available within a safe environment:
2193		3214
2194	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
2195	cf::object::player player	3220	cf::object::player
2196	cf::player peaceful	3221	player
2197	cf::map trigger	3222
		3223	cf::player
		3224	peaceful
		3225
		3226	cf::map
		3227	trigger
2198		3228
2199	=cut	3229	=cut
2200		3230
2201	for (	3231	for (
2202	["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)],
2203	["cf::object::player" => qw(player)],	3235	["cf::object::player" => qw(player)],
2204	["cf::player" => qw(peaceful)],	3236	["cf::player" => qw(peaceful send_msg)],
2205	["cf::map" => qw(trigger)],	3237	["cf::map" => qw(trigger)],
2206	) {	3238	) {
2207	no strict 'refs';	3239	no strict 'refs';
2208	my ($pkg, @funs) = @$_;	3240	my ($pkg, @funs) = @$_;
2209	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3241	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2227		3259
2228	my $qcode = $code;	3260	my $qcode = $code;
2229	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3261	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2230	$qcode =~ s/\n/\\n/g;	3262	$qcode =~ s/\n/\\n/g;
2231		3263
		3264	%vars = (_dummy => 0) unless %vars;
		3265
		3266	my @res;
2232	local $_;	3267	local $_;
2233	local @safe::cf::_safe_eval_args = values %vars;
2234		3268
2235	my $eval =	3269	my $eval =
2236	"do {\n"	3270	"do {\n"
2237	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3271	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2238	. "#line 0 \"{$qcode}\"\n"	3272	. "#line 0 \"{$qcode}\"\n"
2239	. $code	3273	. $code
2240	. "\n}"	3274	. "\n}"
2241	;	3275	;
2242		3276
		3277	if ($CFG{safe_eval}) {
2243	sub_generation_inc;	3278	sub_generation_inc;
		3279	local @safe::cf::_safe_eval_args = values %vars;
2244	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3280	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2245	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	}
2246		3286
2247	if ($@) {	3287	if ($@) {
2248	warn "$@";	3288	warn "$@";
2249	warn "while executing safe code '$code'\n";	3289	warn "while executing safe code '$code'\n";
2250	warn "with arguments " . (join " ", %vars) . "\n";	3290	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2269	=cut	3309	=cut
2270		3310
2271	sub register_script_function {	3311	sub register_script_function {
2272	my ($fun, $cb) = @_;	3312	my ($fun, $cb) = @_;
2273		3313
2274	no strict 'refs';	3314	$fun = "safe::$fun" if $CFG{safe_eval};
2275	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3315	*$fun = $safe_hole->wrap ($cb);
2276	}	3316	}
2277		3317
2278	=back	3318	=back
2279		3319
2280	=cut	3320	=cut
2281
2282	#############################################################################
2283
2284	=head2 EXTENSION DATABASE SUPPORT
2285
2286	Crossfire maintains a very simple database for extension use. It can
2287	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2288	convert to/from binary).
2289
2290	The parameter C<$family> should best start with the name of the extension
2291	using it, it should be unique.
2292
2293	=over 4
2294
2295	=item $value = cf::db_get $family => $key
2296
2297	Returns a single value from the database.
2298
2299	=item cf::db_put $family => $key => $value
2300
2301	Stores the given C<$value> in the family.
2302
2303	=cut
2304
2305	our $DB;
2306
2307	sub db_init {
2308	unless ($DB) {
2309	$DB = BDB::db_create $DB_ENV;
2310
2311	cf::sync_job {
2312	eval {
2313	$DB->set_flags (BDB::CHKSUM);
2314
2315	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2316	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2317	cf::cleanup "db_open(db): $!" if $!;
2318	};
2319	cf::cleanup "db_open(db): $@" if $@;
2320	};
2321	}
2322	}
2323
2324	sub db_get($$) {
2325	my $key = "$_[0]/$_[1]";
2326
2327	cf::sync_job {
2328	BDB::db_get $DB, undef, $key, my $data;
2329
2330	$! ? ()
2331	: $data
2332	}
2333	}
2334
2335	sub db_put($$$) {
2336	BDB::dbreq_pri 4;
2337	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2338	}
2339
2340	=item cf::cache $id => [$paths...], $processversion => $process
2341
2342	Generic caching function that returns the value of the resource $id,
2343	caching and regenerating as required.
2344
2345	This function can block.
2346
2347	=cut
2348
2349	sub cache {
2350	my ($id, $src, $processversion, $process) = @_;
2351
2352	my $meta =
2353	join "\x00",
2354	$processversion,
2355	map {
2356	aio_stat $_
2357	and Carp::croak "$_: $!";
2358
2359	($_, (stat _)[7,9])
2360	} @$src;
2361
2362	my $dbmeta = db_get cache => "$id/meta";
2363	if ($dbmeta ne $meta) {
2364	# changed, we may need to process
2365
2366	my @data;
2367	my $md5;
2368
2369	for (0 .. $#$src) {
2370	0 <= aio_load $src->[$_], $data[$_]
2371	or Carp::croak "$src->[$_]: $!";
2372	}
2373
2374	# if processing is expensive, check
2375	# checksum first
2376	if (1) {
2377	$md5 =
2378	join "\x00",
2379	$processversion,
2380	map {
2381	Coro::cede;
2382	($src->[$_], Digest::MD5::md5_hex $data[$_])
2383	} 0.. $#$src;
2384
2385
2386	my $dbmd5 = db_get cache => "$id/md5";
2387	if ($dbmd5 eq $md5) {
2388	db_put cache => "$id/meta", $meta;
2389
2390	return db_get cache => "$id/data";
2391	}
2392	}
2393
2394	my $t1 = Time::HiRes::time;
2395	my $data = $process->(\@data);
2396	my $t2 = Time::HiRes::time;
2397
2398	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2399
2400	db_put cache => "$id/data", $data;
2401	db_put cache => "$id/md5" , $md5;
2402	db_put cache => "$id/meta", $meta;
2403
2404	return $data;
2405	}
2406
2407	db_get cache => "$id/data"
2408	}
2409
2410	=item fork_call { }, $args
2411
2412	Executes the given code block with the given arguments in a seperate
2413	process, returning the results. Everything must be serialisable with
2414	Coro::Storable. May, of course, block. Note that the executed sub may
2415	never block itself or use any form of Event handling.
2416
2417	=cut
2418
2419	sub fork_call(&@) {
2420	my ($cb, @args) = @_;
2421
2422	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2423	# or die "socketpair: $!";
2424	pipe my $fh1, my $fh2
2425	or die "pipe: $!";
2426
2427	if (my $pid = fork) {
2428	close $fh2;
2429
2430	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2431	$res = Coro::Storable::thaw $res;
2432
2433	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2434
2435	die $$res unless "ARRAY" eq ref $res;
2436
2437	return wantarray ? @$res : $res->[-1];
2438	} else {
2439	local $SIG{__WARN__};
2440	eval {
2441	local $SIG{__DIE__};
2442	close $fh1;
2443
2444	my @res = eval { $cb->(@args) };
2445	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2446	};
2447
2448	warn $@ if $@;
2449	_exit 0;
2450	}
2451	}
2452
2453
2454		3321
2455	#############################################################################	3322	#############################################################################
2456	# the server's init and main functions	3323	# the server's init and main functions
2457		3324
2458	sub load_facedata($) {	3325	sub load_facedata($) {
2459	my ($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;
2460		3333
2461	warn "loading facedata from $path\n";	3334	warn "loading facedata from $path\n";
2462		3335
2463	my $facedata;	3336	my $facedata;
2464	0 < aio_load $path, $facedata	3337	0 < aio_load $path, $facedata
…		…
2467	$facedata = Coro::Storable::thaw $facedata;	3340	$facedata = Coro::Storable::thaw $facedata;
2468		3341
2469	$facedata->{version} == 2	3342	$facedata->{version} == 2
2470	or cf::cleanup "$path: version mismatch, cannot proceed.";	3343	or cf::cleanup "$path: version mismatch, cannot proceed.";
2471		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
2472	{	3354	{
2473	my $faces = $facedata->{faceinfo};	3355	my $faces = $facedata->{faceinfo};
2474		3356
2475	while (my ($face, $info) = each %$faces) {	3357	while (my ($face, $info) = each %$faces) {
2476	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3358	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3359
2477	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3360	cf::face::set_visibility $idx, $info->{visibility};
		3361	cf::face::set_magicmap $idx, $info->{magicmap};
2478	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3362	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2479	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3363	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2480	Coro::cede;	3364
		3365	cf::cede_to_tick;
2481	}	3366	}
2482		3367
2483	while (my ($face, $info) = each %$faces) {	3368	while (my ($face, $info) = each %$faces) {
2484	next unless $info->{smooth};	3369	next unless $info->{smooth};
		3370
2485	my $idx = cf::face::find $face	3371	my $idx = cf::face::find $face
2486	or next;	3372	or next;
		3373
2487	if (my $smooth = cf::face::find $info->{smooth}) {	3374	if (my $smooth = cf::face::find $info->{smooth}) {
		3375	cf::face::set_smooth $idx, $smooth;
2488	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3376	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2489	} else {	3377	} else {
2490	warn "smooth face '$info->{smooth}' not found for face '$face'";	3378	warn "smooth face '$info->{smooth}' not found for face '$face'";
2491	}	3379	}
2492	Coro::cede;	3380
		3381	cf::cede_to_tick;
2493	}	3382	}
2494	}	3383	}
2495		3384
2496	{	3385	{
2497	my $anims = $facedata->{animinfo};	3386	my $anims = $facedata->{animinfo};
2498		3387
2499	while (my ($anim, $info) = each %$anims) {	3388	while (my ($anim, $info) = each %$anims) {
2500	cf::anim::set $anim, $info->{frames}, $info->{facings};	3389	cf::anim::set $anim, $info->{frames}, $info->{facings};
2501	Coro::cede;	3390	cf::cede_to_tick;
2502	}	3391	}
2503		3392
2504	cf::anim::invalidate_all; # d'oh	3393	cf::anim::invalidate_all; # d'oh
2505	}	3394	}
2506		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
2507	1	3415	1
2508	}	3416	}
2509		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	$status
		3454	}
		3455
2510	sub reload_regions {	3456	sub reload_regions {
		3457	# HACK to clear player env face cache, we need some signal framework
		3458	# for this (global event?)
		3459	%ext::player_env::MUSIC_FACE_CACHE = ();
		3460
2511	load_resource_file "$MAPDIR/regions"	3461	load_resource_file "$MAPDIR/regions"
2512	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 $_->{match};
		3467	}
2513	}	3468	}
2514		3469
2515	sub reload_facedata {	3470	sub reload_facedata {
2516	load_facedata "$DATADIR/facedata"	3471	load_facedata "$DATADIR/facedata"
2517	or die "unable to load facedata\n";	3472	or die "unable to load facedata\n";
…		…
2528	}	3483	}
2529		3484
2530	sub reload_resources {	3485	sub reload_resources {
2531	warn "reloading resource files...\n";	3486	warn "reloading resource files...\n";
2532		3487
2533	reload_regions;
2534	reload_facedata;	3488	reload_facedata;
2535	reload_archetypes;	3489	reload_archetypes;
		3490	reload_regions;
2536	reload_treasures;	3491	reload_treasures;
2537		3492
2538	warn "finished reloading resource files\n";	3493	warn "finished reloading resource files\n";
2539	}	3494	}
2540		3495
2541	sub init {	3496	sub reload_config {
2542	reload_resources;	3497	warn "reloading config file...\n";
2543	}
2544		3498
2545	sub cfg_load {
2546	open my $fh, "<:utf8", "$CONFDIR/config"	3499	open my $fh, "<:utf8", "$CONFDIR/config"
2547	or return;	3500	or return;
2548		3501
2549	local $/;	3502	local $/;
2550	*CFG = YAML::Syck::Load <$fh>;	3503	*CFG = YAML::XS::Load scalar <$fh>;
2551		3504
2552	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3505	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2553		3506
2554	$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};
2555	$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};
…		…
2559	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3512	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2560	and die "WARNING: m(un)lockall failed: $!\n";	3513	and die "WARNING: m(un)lockall failed: $!\n";
2561	};	3514	};
2562	warn $@ if $@;	3515	warn $@ if $@;
2563	}	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;
2564	}	3547	}
2565		3548
2566	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
2567	# we must not ever block the main coroutine	3559	# we must not ever block the main coroutine
2568	local $Coro::idle = sub {	3560	local $Coro::idle = sub {
2569	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#
2570	(async {	3562	(async {
2571	Event::one_event;	3563	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3564	EV::loop EV::LOOP_ONESHOT;
2572	})->prio (Coro::PRIO_MAX);	3565	})->prio (Coro::PRIO_MAX);
2573	};	3566	};
2574		3567
2575	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;
2576	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
2577	load_extensions;	3591	load_extensions;
2578		3592
2579	$TICK_WATCHER->start;	3593	utime time, time, $RUNTIMEFILE;
2580	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;
2581	}	3606	}
2582		3607
2583	#############################################################################	3608	#############################################################################
2584	# initialisation and cleanup	3609	# initialisation and cleanup
2585		3610
2586	# install some emergency cleanup handlers	3611	# install some emergency cleanup handlers
2587	BEGIN {	3612	BEGIN {
		3613	our %SIGWATCHER = ();
2588	for my $signal (qw(INT HUP TERM)) {	3614	for my $signal (qw(INT HUP TERM)) {
2589	Event->signal (	3615	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2590	reentrant => 0,
2591	data => WF_AUTOCANCEL,
2592	signal => $signal,
2593	prio => 0,
2594	cb => sub {
2595	cf::cleanup "SIG$signal";	3616	cf::cleanup "SIG$signal";
2596	},
2597	);	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
2598	}	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 };
2599	}	3707	}
2600		3708
2601	sub emergency_save() {	3709	sub emergency_save() {
2602	my $freeze_guard = cf::freeze_mainloop;	3710	my $freeze_guard = cf::freeze_mainloop;
2603		3711
2604	warn "enter emergency perl save\n";	3712	warn "emergency_perl_save: enter\n";
2605		3713
2606	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
2607	# use a peculiar iteration method to avoid tripping on perl	3720	# use a peculiar iteration method to avoid tripping on perl
2608	# refcount bugs in for. also avoids problems with players	3721	# refcount bugs in for. also avoids problems with players
2609	# and maps saved/destroyed asynchronously.	3722	# and maps saved/destroyed asynchronously.
2610	warn "begin emergency player save\n";	3723	warn "emergency_perl_save: begin player save\n";
2611	for my $login (keys %cf::PLAYER) {	3724	for my $login (keys %cf::PLAYER) {
2612	my $pl = $cf::PLAYER{$login} or next;	3725	my $pl = $cf::PLAYER{$login} or next;
2613	$pl->valid or next;	3726	$pl->valid or next;
		3727	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2614	$pl->save;	3728	$pl->save;
2615	}	3729	}
2616	warn "end emergency player save\n";	3730	warn "emergency_perl_save: end player save\n";
2617		3731
2618	warn "begin emergency map save\n";	3732	warn "emergency_perl_save: begin map save\n";
2619	for my $path (keys %cf::MAP) {	3733	for my $path (keys %cf::MAP) {
2620	my $map = $cf::MAP{$path} or next;	3734	my $map = $cf::MAP{$path} or next;
2621	$map->valid or next;	3735	$map->valid or next;
2622	$map->save;	3736	$map->save;
2623	}	3737	}
2624	warn "end emergency map save\n";	3738	warn "emergency_perl_save: end map save\n";
2625		3739
2626	warn "begin emergency database checkpoint\n";	3740	warn "emergency_perl_save: begin database checkpoint\n";
2627	BDB::db_env_txn_checkpoint $DB_ENV;	3741	BDB::db_env_txn_checkpoint $DB_ENV;
2628	warn "end emergency database checkpoint\n";	3742	warn "emergency_perl_save: end database checkpoint\n";
		3743
		3744	warn "emergency_perl_save: begin write uuid\n";
		3745	write_uuid_sync 1;
		3746	warn "emergency_perl_save: end write uuid\n";
2629	};	3747	};
2630		3748
		3749	warn "emergency_perl_save: starting sync()\n";
		3750	IO::AIO::aio_sync sub {
		3751	warn "emergency_perl_save: finished sync()\n";
		3752	};
		3753
2631	warn "leave emergency perl save\n";	3754	warn "emergency_perl_save: leave\n";
2632	}	3755	}
2633		3756
2634	sub post_cleanup {	3757	sub post_cleanup {
2635	my ($make_core) = @_;	3758	my ($make_core) = @_;
2636		3759
2637	warn Carp::longmess "post_cleanup backtrace"	3760	warn Carp::longmess "post_cleanup backtrace"
2638	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#
2639	}	3791	}
2640		3792
2641	sub do_reload_perl() {	3793	sub do_reload_perl() {
2642	# can/must only be called in main	3794	# can/must only be called in main
2643	if ($Coro::current != $Coro::main) {	3795	if ($Coro::current != $Coro::main) {
2644	warn "can only reload from main coroutine";	3796	warn "can only reload from main coroutine";
2645	return;	3797	return;
2646	}	3798	}
2647		3799
		3800	return if $RELOAD++;
		3801
		3802	my $t1 = AE::time;
		3803
		3804	while ($RELOAD) {
2648	warn "reloading...";	3805	warn "reloading...";
2649		3806
2650	warn "entering sync_job";	3807	warn "entering sync_job";
2651		3808
2652	cf::sync_job {	3809	cf::sync_job {
2653	cf::write_runtime; # external watchdog should not bark	3810	cf::write_runtime_sync; # external watchdog should not bark
2654	cf::emergency_save;	3811	cf::emergency_save;
2655	cf::write_runtime; # external watchdog should not bark	3812	cf::write_runtime_sync; # external watchdog should not bark
2656		3813
2657	warn "syncing database to disk";	3814	warn "syncing database to disk";
2658	BDB::db_env_txn_checkpoint $DB_ENV;	3815	BDB::db_env_txn_checkpoint $DB_ENV;
2659		3816
2660	# 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
2661		3818
2662	warn "cancelling all WF_AUTOCANCEL watchers";
2663	for (Event::all_watchers) {
2664	$_->cancel if $_->data & WF_AUTOCANCEL;
2665	}
2666
2667	warn "flushing outstanding aio requests";	3819	warn "flushing outstanding aio requests";
2668	for (;;) {
2669	BDB::flush;
2670	IO::AIO::flush;
2671	Coro::cede;
2672	last unless IO::AIO::nreqs || BDB::nreqs;	3820	while (IO::AIO::nreqs || BDB::nreqs) {
2673	warn "iterate...";	3821	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2674	}
2675
2676	++$RELOAD;
2677
2678	warn "cancelling all extension coros";
2679	$_->cancel for values %EXT_CORO;
2680	%EXT_CORO = ();
2681
2682	warn "removing commands";
2683	%COMMAND = ();
2684
2685	warn "removing ext commands";
2686	%EXTCMD = ();
2687
2688	warn "unloading/nuking all extensions";
2689	for my $pkg (@EXTS) {
2690	warn "... unloading $pkg";
2691
2692	if (my $cb = $pkg->can ("unload")) {
2693	eval {
2694	$cb->($pkg);
2695	1
2696	} or warn "$pkg unloaded, but with errors: $@";
2697	}	3822	}
2698		3823
2699	warn "... nuking $pkg";	3824	warn "cancelling all extension coros";
2700	Symbol::delete_package $pkg;	3825	$_->cancel for values %EXT_CORO;
2701	}	3826	%EXT_CORO = ();
2702		3827
2703	warn "unloading all perl modules loaded from $LIBDIR";	3828	warn "removing commands";
2704	while (my ($k, $v) = each %INC) {	3829	%COMMAND = ();
2705	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2706		3830
		3831	warn "removing ext/exti commands";
		3832	%EXTCMD = ();
		3833	%EXTICMD = ();
		3834
		3835	warn "unloading/nuking all extensions";
		3836	for my $pkg (@EXTS) {
2707	warn "... unloading $k";	3837	warn "... unloading $pkg";
2708	delete $INC{$k};
2709		3838
2710	$k =~ s/\.pm$//;
2711	$k =~ s/\//::/g;
2712
2713	if (my $cb = $k->can ("unload_module")) {	3839	if (my $cb = $pkg->can ("unload")) {
		3840	eval {
2714	$cb->();	3841	$cb->($pkg);
		3842	1
		3843	} or warn "$pkg unloaded, but with errors: $@";
		3844	}
		3845
		3846	warn "... clearing $pkg";
		3847	clear_package $pkg;
2715	}	3848	}
2716		3849
2717	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;
2718	}	3865	}
2719		3866
2720	warn "getting rid of safe::, as good as possible";	3867	warn "getting rid of safe::, as good as possible";
2721	Symbol::delete_package "safe::$_"	3868	clear_package "safe::$_"
2722	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);
2723		3870
2724	warn "unloading cf.pm \"a bit\"";	3871	warn "unloading cf.pm \"a bit\"";
2725	delete $INC{"cf.pm"};	3872	delete $INC{"cf.pm"};
2726	delete $INC{"cf/pod.pm"};	3873	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2727		3874
2728	# don't, removes xs symbols, too,	3875	# don't, removes xs symbols, too,
2729	# and global variables created in xs	3876	# and global variables created in xs
2730	#Symbol::delete_package __PACKAGE__;	3877	#clear_package __PACKAGE__;
2731		3878
2732	warn "unload completed, starting to reload now";	3879	warn "unload completed, starting to reload now";
2733		3880
2734	warn "reloading cf.pm";	3881	warn "reloading cf.pm";
2735	require cf;	3882	require cf;
2736	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3883	cf::_connect_to_perl_1;
2737		3884
2738	warn "loading config and database again";	3885	warn "loading config and database again";
2739	cf::cfg_load;	3886	cf::reload_config;
2740		3887
2741	warn "loading extensions";	3888	warn "loading extensions";
2742	cf::load_extensions;	3889	cf::load_extensions;
2743		3890
		3891	if ($REATTACH_ON_RELOAD) {
2744	warn "reattaching attachments to objects/players";	3892	warn "reattaching attachments to objects/players";
2745	_global_reattach; # objects, sockets	3893	_global_reattach; # objects, sockets
2746	warn "reattaching attachments to maps";	3894	warn "reattaching attachments to maps";
2747	reattach $_ for values %MAP;	3895	reattach $_ for values %MAP;
2748	warn "reattaching attachments to players";	3896	warn "reattaching attachments to players";
2749	reattach $_ for values %PLAYER;	3897	reattach $_ for values %PLAYER;
		3898	}
2750		3899
		3900	warn "running post_init jobs";
		3901	(pop @POST_INIT)->(1) while @POST_INIT;
		3902
2751	warn "leaving sync_job";	3903	warn "leaving sync_job";
2752		3904
2753	1	3905	1
2754	} or do {	3906	} or do {
2755	warn $@;	3907	warn $@;
2756	warn "error while reloading, exiting.";	3908	cf::cleanup "error while reloading, exiting.";
2757	exit 1;
2758	};	3909	};
2759		3910
2760	warn "reloaded";	3911	warn "reloaded";
		3912	--$RELOAD;
		3913	}
		3914
		3915	$t1 = AE::time - $t1;
		3916	warn "reload completed in ${t1}s\n";
2761	};	3917	};
2762		3918
2763	our $RELOAD_WATCHER; # used only during reload	3919	our $RELOAD_WATCHER; # used only during reload
2764		3920
2765	sub reload_perl() {	3921	sub reload_perl() {
2766	# doing reload synchronously and two reloads happen back-to-back,	3922	# doing reload synchronously and two reloads happen back-to-back,
2767	# coro crashes during coro_state_free->destroy here.	3923	# coro crashes during coro_state_free->destroy here.
2768		3924
2769	$RELOAD_WATCHER ||= Event->timer (	3925	$RELOAD_WATCHER ||= cf::async {
2770	reentrant => 0,	3926	Coro::AIO::aio_wait cache_extensions;
2771	after => 0,	3927
2772	data => WF_AUTOCANCEL,	3928	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2773	cb => sub {
2774	do_reload_perl;	3929	do_reload_perl;
2775	undef $RELOAD_WATCHER;	3930	undef $RELOAD_WATCHER;
2776	},	3931	};
2777	);	3932	};
2778	}	3933	}
2779		3934
2780	register_command "reload" => sub {	3935	register_command "reload" => sub {
2781	my ($who, $arg) = @_;	3936	my ($who, $arg) = @_;
2782		3937
2783	if ($who->flag (FLAG_WIZ)) {	3938	if ($who->flag (FLAG_WIZ)) {
2784	$who->message ("reloading server.");	3939	$who->message ("reloading server.");
		3940	async {
		3941	$Coro::current->{desc} = "perl_reload";
2785	async { reload_perl };	3942	reload_perl;
		3943	};
2786	}	3944	}
2787	};	3945	};
2788		3946
2789	unshift @INC, $LIBDIR;	3947	unshift @INC, $LIBDIR;
2790		3948
…		…
2792		3950
2793	our @WAIT_FOR_TICK;	3951	our @WAIT_FOR_TICK;
2794	our @WAIT_FOR_TICK_BEGIN;	3952	our @WAIT_FOR_TICK_BEGIN;
2795		3953
2796	sub wait_for_tick {	3954	sub wait_for_tick {
2797	return unless $TICK_WATCHER->is_active;
2798	return if $Coro::current == $Coro::main;	3955	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2799		3956
2800	my $signal = new Coro::Signal;	3957	my $signal = new Coro::Signal;
2801	push @WAIT_FOR_TICK, $signal;	3958	push @WAIT_FOR_TICK, $signal;
2802	$signal->wait;	3959	$signal->wait;
2803	}	3960	}
2804		3961
2805	sub wait_for_tick_begin {	3962	sub wait_for_tick_begin {
2806	return unless $TICK_WATCHER->is_active;
2807	return if $Coro::current == $Coro::main;	3963	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2808		3964
2809	my $signal = new Coro::Signal;	3965	my $signal = new Coro::Signal;
2810	push @WAIT_FOR_TICK_BEGIN, $signal;	3966	push @WAIT_FOR_TICK_BEGIN, $signal;
2811	$signal->wait;	3967	$signal->wait;
2812	}	3968	}
2813		3969
2814	$TICK_WATCHER = Event->timer (	3970	sub tick {
2815	reentrant => 0,
2816	parked => 1,
2817	prio => 0,
2818	at => $NEXT_TICK || $TICK,
2819	data => WF_AUTOCANCEL,
2820	cb => sub {
2821	if ($Coro::current != $Coro::main) {	3971	if ($Coro::current != $Coro::main) {
2822	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"
2823	unless ++$bug_warning > 10;	3973	unless ++$bug_warning > 10;
2824	return;	3974	return;
2825	}	3975	}
2826		3976
2827	$NOW = Event::time;
2828
2829	cf::server_tick; # one server iteration	3977	cf::server_tick; # one server iteration
2830		3978
2831	$RUNTIME += $TICK;	3979	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2832	$NEXT_TICK += $TICK;
2833		3980
2834	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3981	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2835	$NEXT_RUNTIME_WRITE = $NOW + 10;	3982	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2836	Coro::async_pool {	3983	Coro::async_pool {
		3984	$Coro::current->{desc} = "runtime saver";
2837	write_runtime	3985	write_runtime_sync
2838	or warn "ERROR: unable to write runtime file: $!";	3986	or warn "ERROR: unable to write runtime file: $!";
2839	};
2840	}	3987	};
		3988	}
2841		3989
2842	# my $AFTER = Event::time;
2843	# warn $AFTER - $NOW;#d#
2844
2845	# if we are delayed by four ticks or more, skip them all
2846	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2847
2848	$TICK_WATCHER->at ($NEXT_TICK);
2849	$TICK_WATCHER->start;
2850
2851	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3990	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2852	$sig->send;	3991	$sig->send;
2853	}	3992	}
2854	while (my $sig = shift @WAIT_FOR_TICK) {	3993	while (my $sig = shift @WAIT_FOR_TICK) {
2855	$sig->send;	3994	$sig->send;
2856	}
2857
2858	_post_tick;
2859	},	3995	}
2860	);	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	}
2861		4008
2862	{	4009	{
2863	BDB::max_poll_time $TICK * 0.1;	4010	# configure BDB
2864	$BDB_POLL_WATCHER = Event->io (	4011
2865	reentrant => 0,
2866	fd => BDB::poll_fileno,
2867	poll => 'r',
2868	prio => 0,
2869	data => WF_AUTOCANCEL,
2870	cb => \&BDB::poll_cb,
2871	);
2872	BDB::min_parallel 8;	4012	BDB::min_parallel 16;
2873		4013	BDB::max_poll_reqs $TICK * 0.1;
2874	BDB::set_sync_prepare {	4014	$AnyEvent::BDB::WATCHER->priority (1);
2875	my $status;
2876	my $current = $Coro::current;
2877	(
2878	sub {
2879	$status = $!;
2880	$current->ready; undef $current;
2881	},
2882	sub {
2883	Coro::schedule while defined $current;
2884	$! = $status;
2885	},
2886	)
2887	};
2888		4015
2889	unless ($DB_ENV) {	4016	unless ($DB_ENV) {
2890	$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);
2891		4023
2892	cf::sync_job {	4024	cf::sync_job {
2893	eval {	4025	eval {
2894	BDB::db_env_open	4026	BDB::db_env_open
2895	$DB_ENV,	4027	$DB_ENV,
…		…
2897	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
2898	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4030	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2899	0666;	4031	0666;
2900		4032
2901	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4033	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2902
2903	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2904	$DB_ENV->set_lk_detect;
2905	};	4034	};
2906		4035
2907	cf::cleanup "db_env_open(db): $@" if $@;	4036	cf::cleanup "db_env_open(db): $@" if $@;
2908	};	4037	};
2909	}	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	};
2910	}	4049	}
2911		4050
2912	{	4051	{
		4052	# configure IO::AIO
		4053
2913	IO::AIO::min_parallel 8;	4054	IO::AIO::min_parallel 8;
2914
2915	undef $Coro::AIO::WATCHER;
2916	IO::AIO::max_poll_time $TICK * 0.1;	4055	IO::AIO::max_poll_time $TICK * 0.1;
2917	$AIO_POLL_WATCHER = Event->io (	4056	undef $AnyEvent::AIO::WATCHER;
2918	reentrant => 0,	4057	}
2919	data => WF_AUTOCANCEL,	4058
2920	fd => IO::AIO::poll_fileno,	4059	my $_log_backtrace;
2921	poll => 'r',	4060
2922	prio => 6,	4061	sub _log_backtrace {
2923	cb => \&IO::AIO::poll_cb,	4062	my ($msg, @addr) = @_;
2924	);	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;
		4070	async {
		4071	$Coro::current->{desc} = "abt $msg";
		4072
		4073	my @bt = fork_call {
		4074	@addr = map { sprintf "%x", $_ } @addr;
		4075	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4076	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4077	or die "addr2line: $!";
		4078
		4079	my @funcs;
		4080	my @res = <$fh>;
		4081	chomp for @res;
		4082	while (@res) {
		4083	my ($func, $line) = splice @res, 0, 2, ();
		4084	push @funcs, "[$func] $line";
		4085	}
		4086
		4087	@funcs
		4088	};
		4089
		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;
		4094	};
		4095	} else {
		4096	LOG llevInfo, "[ABT] $msg\n";
		4097	LOG llevInfo, "[ABT] [suppressed]\n";
		4098	}
2925	}	4099	}
2926		4100
2927	# load additional modules	4101	# load additional modules
2928	use cf::pod;	4102	require "cf/$_.pm" for @EXTRA_MODULES;
		4103	cf::_connect_to_perl_2;
2929		4104
2930	END { cf::emergency_save }	4105	END { cf::emergency_save }
2931		4106
2932	1	4107	1
2933		4108

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