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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.213 by root, Tue Feb 13 20:01:04 2007 UTC vs.
Revision 1.521 by root, Fri Apr 16 23:28:42 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 Storable;	31	use Socket;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
12		38
		39	use Guard ();
13	use Coro 3.5 ();	40	use Coro ();
		41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
14	use Coro::Event;	44	use Coro::AnyEvent;
15	use Coro::Timer;	45	use Coro::Timer;
16	use Coro::Signal;	46	use Coro::Signal;
17	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
18	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
19		54
		55	use JSON::XS 2.01 ();
20	use BDB ();	56	use BDB ();
21	use Data::Dumper;	57	use Data::Dumper;
22	use Digest::MD5;
23	use Fcntl;	58	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
26	use Time::HiRes;	61	use Time::HiRes;
27	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
28		64
		65	AnyEvent::detect;
		66
		67	# configure various modules to our taste
		68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		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";
29	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
30		77
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		80
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		82
40	our %COMMAND = ();	83	our %COMMAND = ();
41	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
42		85
43	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
47		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
48	our @EVENT;	93	our @EVENT;
49	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
50		96
51	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	98	our $DATADIR = datadir;
53	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
54	our $WRITE_RUNTIME_WATCHER;	100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		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;
		115
		116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	118	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
58		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
59	our $BDB_POLL_WATCHER;	123	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
61		127
62	our %CFG;	128	our %CFG;
63		129
64	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
66		133
67	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		137
76	# 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 ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $REALLY_UNLOOP; # never set to true, please :)
		150
79	binmode STDOUT;	151	binmode STDOUT;
80	binmode STDERR;	152	binmode STDERR;
81		153
82	# read virtual server time, if available	154	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	156	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
87	}	159	}
88		160
89	mkdir cf::localdir;	161	eval "sub TICK() { $TICK } 1" or die;
90	mkdir cf::localdir . "/" . cf::playerdir;	162
91	mkdir cf::localdir . "/" . cf::tmpdir;	163	mkdir $_
92	mkdir cf::localdir . "/" . cf::uniquedir;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		165
96	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
97		167
98	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::"} };
99		180
100	#############################################################################	181	#############################################################################
101		182
102	=head2 GLOBAL VARIABLES	183	=head2 GLOBAL VARIABLES
103		184
…		…
110	=item $cf::RUNTIME	191	=item $cf::RUNTIME
111		192
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	193	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	194	every server tick.
114		195
115	=item $cf::LIBDIR	196	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		197	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		198	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		199
117	The perl library directory, where extensions and cf-specific modules can	200	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	201	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		202	unique-items directory, player file directory, random maps directory and
		203	database environment.
119		204
120	=item $cf::NOW	205	=item $cf::NOW
121		206
122	The time of the last (current) server tick.	207	The time of the last (current) server tick.
123		208
124	=item $cf::TICK	209	=item $cf::TICK
125		210
126	The interval between server ticks, in seconds.	211	The interval between server ticks, in seconds.
127		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
128	=item %cf::CFG	223	=item %cf::CFG
129		224
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	225	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	226	from wherever your confdir points to.
132		227
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	228	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		229
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	230	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	231	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	232	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	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.
139		245
140	=back	246	=back
141		247
142	=cut	248	=cut
143		249
144	BEGIN {	250	$Coro::State::WARNHOOK = sub {
145	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	251	my $msg = join "", @_;
147	utf8::encode $msg;
148		252
149	$msg .= "\n"	253	$msg .= "\n"
150	unless $msg =~ /\n$/;	254	unless $msg =~ /\n$/;
151		255
		256	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		257
152	LOG llevError, $msg;	258	LOG llevError, $msg;
153	};	259	};
154	}	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	};
155		274
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	275	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	276	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	277	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	278	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@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';
161	@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)
162		282
163	# 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
164	# within the Safe compartment.	284	# within the Safe compartment.
165	for my $pkg (qw(	285	for my $pkg (qw(
166	cf::global cf::attachable	286	cf::global cf::attachable
167	cf::object cf::object::player	287	cf::object cf::object::player
168	cf::client cf::player	288	cf::client cf::player
169	cf::arch cf::living	289	cf::arch cf::living
		290	cf::map cf::mapspace
170	cf::map cf::party cf::region	291	cf::party cf::region
171	)) {	292	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	293	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	294	}
175		295
176	$Event::DIED = sub {	296	$EV::DIED = sub {
177	warn "error in event callback: @_";	297	Carp::cluck "error in event callback: @_";
178	};	298	};
		299
		300	#############################################################################
179		301
180	=head2 UTILITY FUNCTIONS	302	=head2 UTILITY FUNCTIONS
181		303
182	=over 4	304	=over 4
183		305
…		…
202	$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;
203	$d	325	$d
204	} || "[unable to dump $_[0]: '$@']";	326	} || "[unable to dump $_[0]: '$@']";
205	}	327	}
206		328
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	329	=item $ref = cf::decode_json $json
210		330
211	Converts a JSON string into the corresponding perl data structure.	331	Converts a JSON string into the corresponding perl data structure.
212		332
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	333	=item $json = cf::encode_json $ref
221		334
222	Converts a perl data structure into its JSON representation.	335	Converts a perl data structure into its JSON representation.
223		336
224	=cut	337	=cut
225		338
226	sub to_json($) {	339	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	340
228	JSON::Syck::Dump $_[0]	341	sub encode_json($) { $json_coder->encode ($_[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;
229	}	356	}
230		357
231	=item cf::lock_wait $string	358	=item cf::lock_wait $string
232		359
233	Wait until the given lock is available. See cf::lock_acquire.	360	Wait until the given lock is available. See cf::lock_acquire.
234		361
235	=item my $lock = cf::lock_acquire $string	362	=item my $lock = cf::lock_acquire $string
236		363
237	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
238	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,
239	for example when the coroutine gets canceled), the lock is automatically	366	for example when the coroutine gets canceled), the lock is automatically
240	returned.	367	returned.
241		368
		369	Locks are *not* recursive, locking from the same coro twice results in a
		370	deadlocked coro.
		371
242	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
243	uses map_find and cf::map::load uses map_load).	373	uses map_find and cf::map::load uses map_load).
244		374
245	=cut	375	=item $locked = cf::lock_active $string
246		376
247	our %LOCK;	377	Return true if the lock is currently active, i.e. somebody has locked it.
		378
		379	=cut
		380
		381	our $LOCKS = new Coro::SemaphoreSet;
248		382
249	sub lock_wait($) {	383	sub lock_wait($) {
250	my ($key) = @_;	384	$LOCKS->wait ($_[0]);
251
252	# wait for lock, if any
253	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;
256	}
257	}	385	}
258		386
259	sub lock_acquire($) {	387	sub lock_acquire($) {
260	my ($key) = @_;	388	$LOCKS->guard ($_[0])
		389	}
261		390
262	# wait, to be sure we are not locked	391	sub lock_active($) {
263	lock_wait $key;	392	$LOCKS->count ($_[0]) < 1
264
265	$LOCK{$key} = [];
266
267	Coro::guard {
268	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };
270	}
271	}	393	}
272		394
273	sub freeze_mainloop {	395	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	396	tick_inhibit_inc;
275		397
276	my $guard = Coro::guard {	398	&Guard::guard (\&tick_inhibit_dec);
277	$TICK_WATCHER->start;	399	}
278	$WRITE_RUNTIME_WATCHER->start;	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($$) {
		409	my ($interval, $cb) = @_;
		410
		411	my $start = rand List::Util::min 180, $interval;
		412
		413	EV::periodic $start, $interval, 0, $cb
		414	}
		415
		416	=item cf::get_slot $time[, $priority[, $name]]
		417
		418	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		419	This call blocks and returns only when you have at least C<$time> seconds
		420	of cpu time till the next tick. The slot is only valid till the next cede.
		421
		422	The optional C<$name> can be used to identify the job to run. It might be
		423	used for statistical purposes and should identify the same time-class.
		424
		425	Useful for short background jobs.
		426
		427	=cut
		428
		429	our @SLOT_QUEUE;
		430	our $SLOT_QUEUE;
		431	our $SLOT_DECAY = 0.9;
		432
		433	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		434	$SLOT_QUEUE = Coro::async {
		435	$Coro::current->desc ("timeslot manager");
		436
		437	my $signal = new Coro::Signal;
		438	my $busy;
		439
		440	while () {
		441	next_job:
		442
		443	my $avail = cf::till_tick;
		444
		445	for (0 .. $#SLOT_QUEUE) {
		446	if ($SLOT_QUEUE[$_][0] <= $avail) {
		447	$busy = 0;
		448	my $job = splice @SLOT_QUEUE, $_, 1, ();
		449	$job->[2]->send;
		450	Coro::cede;
		451	goto next_job;
		452	} else {
		453	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		454	}
		455	}
		456
		457	if (@SLOT_QUEUE) {
		458	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		459	push @cf::WAIT_FOR_TICK, $signal;
		460	$signal->wait;
		461	} else {
		462	$busy = 0;
		463	Coro::schedule;
		464	}
279	};	465	}
280	$WRITE_RUNTIME_WATCHER->stop;	466	};
281	$TICK_WATCHER->stop;	467
282	$guard	468	sub get_slot($;$$) {
		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	$sig->wait;
283	}	481	}
284		482
285	=item cf::async { BLOCK }	483	=item cf::async { BLOCK }
286		484
287	Currently the same as Coro::async_pool, meaning you cannot use	485	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		490
293	BEGIN { *async = \&Coro::async_pool }	491	BEGIN { *async = \&Coro::async_pool }
294		492
295	=item cf::sync_job { BLOCK }	493	=item cf::sync_job { BLOCK }
296		494
297	The design of crossfire+ requires that the main coro ($Coro::main) is	495	The design of Deliantra requires that the main coroutine ($Coro::main)
298	always able to handle events or runnable, as crossfire+ is only partly	496	is always able to handle events or runnable, as Deliantra is only
299	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	497	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		498	acceptable.
300		499
301	If it must be done, put the blocking parts into C<sync_job>. This will run	500	If it must be done, put the blocking parts into C<sync_job>. This will run
302	the given BLOCK in another coroutine while waiting for the result. The	501	the given BLOCK in another coroutine while waiting for the result. The
303	server will be frozen during this time, so the block should either finish	502	server will be frozen during this time, so the block should either finish
304	fast or be very important.	503	fast or be very important.
…		…
307		506
308	sub sync_job(&) {	507	sub sync_job(&) {
309	my ($job) = @_;	508	my ($job) = @_;
310		509
311	if ($Coro::current == $Coro::main) {	510	if ($Coro::current == $Coro::main) {
		511	my $time = AE::time;
		512
312	# this is the main coro, too bad, we have to block	513	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	514	# till the operation succeeds, freezing the server :/
314		515
315	# TODO: use suspend/resume instead	516	LOG llevError, Carp::longmess "sync job";#d#
316	# (but this is cancel-safe)	517
317	my $freeze_guard = freeze_mainloop;	518	my $freeze_guard = freeze_mainloop;
318		519
319	my $busy = 1;	520	my $busy = 1;
320	my @res;	521	my @res;
321		522
322	(async {	523	(async {
		524	$Coro::current->desc ("sync job coro");
323	@res = eval { $job->() };	525	@res = eval { $job->() };
324	warn $@ if $@;	526	warn $@ if $@;
325	undef $busy;	527	undef $busy;
326	})->prio (Coro::PRIO_MAX);	528	})->prio (Coro::PRIO_MAX);
327		529
328	while ($busy) {	530	while ($busy) {
329	Coro::cede or Event::one_event;	531	if (Coro::nready) {
		532	Coro::cede_notself;
		533	} else {
		534	EV::loop EV::LOOP_ONESHOT;
330	}	535	}
		536	}
		537
		538	my $time = AE::time - $time;
		539
		540	$TICK_START += $time; # do not account sync jobs to server load
331		541
332	wantarray ? @res : $res[0]	542	wantarray ? @res : $res[0]
333	} else {	543	} else {
334	# we are in another coroutine, how wonderful, everything just works	544	# we are in another coroutine, how wonderful, everything just works
335		545
…		…
355	$EXT_CORO{$coro+0} = $coro;	565	$EXT_CORO{$coro+0} = $coro;
356		566
357	$coro	567	$coro
358	}	568	}
359		569
360	sub write_runtime {	570	=item fork_call { }, $args
361	my $runtime = cf::localdir . "/runtime";
362		571
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	572	Executes the given code block with the given arguments in a seperate
364	or return;	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.
365		576
366	my $value = $cf::RUNTIME + 90 + 10;	577	=cut
367	# 10 is the runtime save interval, for a monotonic clock
368	# 60 allows for the watchdog to kill the server.
369		578
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	579	sub fork_call(&@) {
371	and return;	580	my ($cb, @args) = @_;
372		581
373	# always fsync - this file is important	582	# we seemingly have to make a local copy of the whole thing,
374	aio_fsync $fh	583	# otherwise perl prematurely frees the stuff :/
375	and return;	584	# TODO: investigate and fix (likely this will be rather laborious)
376		585
377	close $fh	586	my @res = Coro::Util::fork_eval {
378	or return;	587	reset_signals;
		588	&$cb
		589	}, @args;
379		590
380	aio_rename "$runtime~", $runtime	591	wantarray ? @res : $res[-1]
381	and return;	592	}
382		593
		594	sub objinfo {
383	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"
		757	}
		758
		759	=item cf::datalog type => key => value, ...
		760
		761	Log a datalog packet of the given type with the given key-value pairs.
		762
		763	=cut
		764
		765	sub datalog($@) {
		766	my ($type, %kv) = @_;
		767	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	768	}
385		769
386	=back	770	=back
387		771
388	=cut	772	=cut
389		773
390	#############################################################################	774	#############################################################################
391		775
392	=head2 ATTACHABLE OBJECTS	776	=head2 ATTACHABLE OBJECTS
393		777
394	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
395	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")
396	to it. All such attachable objects support the following methods.	780	to it. All such attachable objects support the following methods.
397		781
398	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>
399	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
400	crossfire+).	784	Deliantra).
401		785
402	=over 4	786	=over 4
403		787
404	=item $attachable->attach ($attachment, key => $value...)	788	=item $attachable->attach ($attachment, key => $value...)
405		789
…		…
449	=item cf::CLASS::attachment $name, ...	833	=item cf::CLASS::attachment $name, ...
450		834
451	Register an attachment by C<$name> through which attachable objects of the	835	Register an attachment by C<$name> through which attachable objects of the
452	given CLASS can refer to this attachment.	836	given CLASS can refer to this attachment.
453		837
454	Some classes such as crossfire maps and objects can specify attachments	838	Some classes such as deliantra maps and objects can specify attachments
455	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.
456		840
457	These calls expect any number of the following handler/hook descriptions:	841	These calls expect any number of the following handler/hook descriptions:
458		842
459	=over 4	843	=over 4
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	952	$registry = $CB_TYPE[$object_type] ||= [];
569		953
570	} elsif ($type eq "subtype") {	954	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	955	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	956	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	957	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		958
575	} elsif ($type eq "package") {	959	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	960	my $pkg = shift @arg;
577		961
578	while (my ($name, $id) = each %cb_id) {	962	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	991	_attach $registry, $klass, @attach;
608	}	992	}
609		993
610	$obj->{$name} = \%arg;	994	$obj->{$name} = \%arg;
611	} else {	995	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	996	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	997	}
614		998
615	$obj->{_attachment}{$name} = undef;	999	$obj->{_attachment}{$name} = undef;
616	}	1000	}
617		1001
…		…
619	if (ref $_[0]) {	1003	if (ref $_[0]) {
620	_object_attach @_;	1004	_object_attach @_;
621	} else {	1005	} else {
622	_attach shift->_attach_registry, @_;	1006	_attach shift->_attach_registry, @_;
623	}	1007	}
		1008	_recalc_want;
624	};	1009	};
625		1010
626	# all those should be optimised	1011	# all those should be optimised
627	sub cf::attachable::detach {	1012	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	1013	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	1016	delete $obj->{_attachment}{$name};
632	reattach ($obj);	1017	reattach ($obj);
633	} else {	1018	} else {
634	Carp::croak "cannot, currently, detach class attachments";	1019	Carp::croak "cannot, currently, detach class attachments";
635	}	1020	}
		1021	_recalc_want;
636	};	1022	};
637		1023
638	sub cf::attachable::attached {	1024	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	1025	my ($obj, $name) = @_;
640		1026
…		…
655	";	1041	";
656	die if $@;	1042	die if $@;
657	}	1043	}
658		1044
659	our $override;	1045	our $override;
660	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?
661		1047
662	sub override {	1048	sub override {
663	$override = 1;	1049	$override = 1;
664	@invoke_results = ();	1050	@INVOKE_RESULTS = (@_);
665	}	1051	}
666		1052
667	sub do_invoke {	1053	sub do_invoke {
668	my $event = shift;	1054	my $event = shift;
669	my $callbacks = shift;	1055	my $callbacks = shift;
670		1056
671	@invoke_results = ();	1057	@INVOKE_RESULTS = ();
672		1058
673	local $override;	1059	local $override;
674		1060
675	for (@$callbacks) {	1061	for (@$callbacks) {
676	eval { &{$_->[1]} };	1062	eval { &{$_->[1]} };
…		…
685	}	1071	}
686		1072
687	0	1073	0
688	}	1074	}
689		1075
690	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1076	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691		1077
692	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1078	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693		1079
694	Generate an object-specific event with the given arguments.	1080	Generate an object-specific event with the given arguments.
695		1081
696	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
697	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
698	results (if you must, access C<@cf::invoke_results> directly).	1084	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		1085
700	=back	1086	=back
701		1087
702	=cut	1088	=cut
703		1089
704	#############################################################################	1090	#############################################################################
705	# 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, $ob2
		1133	}
706		1134
707	sub reattach {	1135	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1136	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1137	my ($obj) = @_;
710		1138
		1139	# no longer needed after getting rid of delete_package?
711	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
712		1141
713	my $registry = $obj->registry;	1142	my $registry = $obj->registry;
714		1143
715	@$registry = ();	1144	@$registry = ();
716		1145
…		…
731	cf::attachable->attach (	1160	cf::attachable->attach (
732	prio => -1000000,	1161	prio => -1000000,
733	on_instantiate => sub {	1162	on_instantiate => sub {
734	my ($obj, $data) = @_;	1163	my ($obj, $data) = @_;
735		1164
736	$data = from_json $data;	1165	$data = decode_json $data;
737		1166
738	for (@$data) {	1167	for (@$data) {
739	my ($name, $args) = @$_;	1168	my ($name, $args) = @$_;
740		1169
741	$obj->attach ($name, %{$args || {} });	1170	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1186	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1187	my ($filename, $rdata, $objs) = @_;
759		1188
760	sync_job {	1189	sync_job {
761	if (length $$rdata) {	1190	if (length $$rdata) {
		1191	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1192	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1193	$decname, length $$rdata, scalar @$objs;
764		1194
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1195	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1196	aio_chmod $fh, SAVE_MODE;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1197	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	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	}
769	close $fh;	1202	aio_close $fh;
770		1203
771	if (@$objs) {	1204	if (@$objs) {
772	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) {
773	chmod SAVE_MODE, $fh;	1206	aio_chmod $fh, SAVE_MODE;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1207	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1208	aio_write $fh, 0, (length $data), $data, 0;
776	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	}
777	close $fh;	1213	aio_close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1214	aio_rename "$filename.pst~", "$filename.pst";
779	}	1215	}
780	} else {	1216	} else {
781	aio_unlink "$filename.pst";	1217	aio_unlink "$filename.pst";
782	}	1218	}
783		1219
784	aio_rename "$filename~", $filename;	1220	aio_rename "$filename~", $filename;
		1221
		1222	$filename =~ s%/[^/]+$%%;
		1223	aio_pathsync $filename if $cf::USE_FSYNC;
785	} else {	1224	} else {
786	warn "FATAL: $filename~: $!\n";	1225	warn "unable to save objects: $filename~: $!\n";
787	}	1226	}
788	} else {	1227	} else {
789	aio_unlink $filename;	1228	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1229	aio_unlink "$filename.pst";
791	}	1230	}
792
793	#d##TODO# nuke non .map-files if exist
794	if ($filename =~ s/\.map$//) {
795	aio_unlink $filename;
796	aio_unlink "$filename.pst";
797	}
798	}	1231	};
799	}	1232	}
800		1233
801	sub object_freezer_as_string {	1234	sub object_freezer_as_string {
802	my ($rdata, $objs) = @_;	1235	my ($rdata, $objs) = @_;
803		1236
…		…
808		1241
809	sub object_thawer_load {	1242	sub object_thawer_load {
810	my ($filename) = @_;	1243	my ($filename) = @_;
811		1244
812	my ($data, $av);	1245	my ($data, $av);
813
814	#d#TODO remove .map if file does not exist
815	aio_stat $filename and $filename =~ s/\.map$//;
816		1246
817	(aio_load $filename, $data) >= 0	1247	(aio_load $filename, $data) >= 0
818	or return;	1248	or return;
819		1249
820	unless (aio_stat "$filename.pst") {	1250	unless (aio_stat "$filename.pst") {
821	(aio_load "$filename.pst", $av) >= 0	1251	(aio_load "$filename.pst", $av) >= 0
822	or return;	1252	or return;
		1253
823	$av = eval { (Storable::thaw $av)->{objs} };	1254	my $st = eval { Coro::Storable::thaw $av };
		1255	$av = $st->{objs};
824	}	1256	}
825		1257
		1258	utf8::decode (my $decname = $filename);
826	warn sprintf "loading %s (%d)\n",	1259	warn sprintf "loading %s (%d,%d)\n",
827	$filename, length $data, scalar @{$av || []};#d#	1260	$decname, length $data, scalar @{$av || []};
		1261
828	return ($data, $av);	1262	($data, $av)
829	}	1263	}
		1264
		1265	=head2 COMMAND CALLBACKS
		1266
		1267	=over 4
		1268
		1269	=cut
830		1270
831	#############################################################################	1271	#############################################################################
832	# command handling &c	1272	# command handling &c
833		1273
834	=item cf::register_command $name => \&callback($ob,$args);	1274	=item cf::register_command $name => \&callback($ob,$args);
…		…
847	push @{ $COMMAND{$name} }, [$caller, $cb];	1287	push @{ $COMMAND{$name} }, [$caller, $cb];
848	}	1288	}
849		1289
850	=item cf::register_extcmd $name => \&callback($pl,$packet);	1290	=item cf::register_extcmd $name => \&callback($pl,$packet);
851		1291
852	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.
853		1297
854	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
855	called.	1299	called.
856		1300
		1301	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1302
		1303	Register a callback for execution when the client sends an (asynchronous)
		1304	exticmd packet. Exti commands are processed by the server as soon as they
		1305	are received, i.e. out of order w.r.t. other commands. The first argument
		1306	is a client socket. Exti commands can be received anytime, even before
		1307	log-in.
		1308
		1309	If the callback returns something, it is sent back as if reply was being
		1310	called.
		1311
857	=cut	1312	=cut
858		1313
859	sub register_extcmd {	1314	sub register_extcmd {
860	my ($name, $cb) = @_;	1315	my ($name, $cb) = @_;
861		1316
862	$EXTCMD{$name} = $cb;	1317	$EXTCMD{$name} = $cb;
863	}	1318	}
864		1319
		1320	sub register_exticmd {
		1321	my ($name, $cb) = @_;
		1322
		1323	$EXTICMD{$name} = $cb;
		1324	}
		1325
		1326	use File::Glob ();
		1327
865	cf::player->attach (	1328	cf::player->attach (
866	on_command => sub {	1329	on_unknown_command => sub {
867	my ($pl, $name, $params) = @_;	1330	my ($pl, $name, $params) = @_;
868		1331
869	my $cb = $COMMAND{$name}	1332	my $cb = $COMMAND{$name}
870	or return;	1333	or return;
871		1334
…		…
876	cf::override;	1339	cf::override;
877	},	1340	},
878	on_extcmd => sub {	1341	on_extcmd => sub {
879	my ($pl, $buf) = @_;	1342	my ($pl, $buf) = @_;
880		1343
881	my $msg = eval { from_json $buf };	1344	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882		1345
883	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
884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1354	if (my $cb = $EXTCMD{$type}) {
885	if (my %reply = $cb->($pl, $msg)) {	1355	@reply = $cb->($pl, @payload);
886	$pl->ext_reply ($msg->{msgid}, %reply);
887	}
888	}	1356	}
		1357
		1358	$pl->ext_reply ($reply, @reply)
		1359	if $reply;
		1360
889	} else {	1361	} else {
890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1362	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
891	}	1363	}
892		1364
893	cf::override;	1365	cf::override;
894	},	1366	},
895	);	1367	);
896		1368
		1369	# "readahead" all extensions
897	sub load_extension {	1370	sub cache_extensions {
898	my ($path) = @_;	1371	my $grp = IO::AIO::aio_group;
899		1372
900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1373	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
901	my $base = $1;	1374	for (grep /\.ext$/, @{$_[0]}) {
902	my $pkg = $1;	1375	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
903	$pkg =~ s/[^[:word:]]/_/g;
904	$pkg = "ext::$pkg";
905
906	warn "... loading '$path' into '$pkg'\n";
907
908	open my $fh, "<:utf8", $path
909	or die "$path: $!";
910
911	my $source =
912	"package $pkg; use strict; use utf8;\n"
913	. "#line 1 \"$path\"\n{\n"
914	. (do { local $/; <$fh> })
915	. "\n};\n1";
916
917	unless (eval $source) {
918	my $msg = $@ ? "$path: $@\n"
919	: "extension disabled.\n";
920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921	warn $@;
922	warn "mandatory extension failed to load, exiting.\n";
923	exit 1;
924	}	1376	}
925	die $@;
926	}	1377	};
927		1378
928	push @EXTS, $pkg;	1379	$grp
929	}	1380	}
930		1381
931	sub load_extensions {	1382	sub load_extensions {
		1383	cf::sync_job {
		1384	my %todo;
		1385
932	for my $ext (<$LIBDIR/*.ext>) {	1386	for my $path (<$LIBDIR/*.ext>) {
933	next unless -r $ext;	1387	next unless -r $path;
934	eval {	1388
935	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 $v->{meta}{mandatory};
		1441
		1442	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1443	delete $todo{$k};
		1444	} else {
		1445	$done{$k} = delete $todo{$k};
		1446	push @EXTS, $v->{pkg};
		1447	$progress = 1;
		1448
		1449	warn "$v->{base}: extension inactive.\n"
		1450	unless $active;
		1451	}
936	1	1452	}
937	} or warn "$ext not loaded: $@";	1453
		1454	unless ($progress) {
		1455	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1456
		1457	while (my ($k, $v) = each %todo) {
		1458	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1459	if exists $v->{meta}{mandatory};
		1460	}
		1461	}
		1462	}
938	}	1463	};
939	}	1464	}
940		1465
941	#############################################################################	1466	#############################################################################
942		1467
		1468	=back
		1469
943	=head2 CORE EXTENSIONS	1470	=head2 CORE EXTENSIONS
944		1471
945	Functions and methods that extend core crossfire objects.	1472	Functions and methods that extend core deliantra objects.
946		1473
947	=cut	1474	=cut
948		1475
949	package cf::player;	1476	package cf::player;
950		1477
…		…
952		1479
953	=head3 cf::player	1480	=head3 cf::player
954		1481
955	=over 4	1482	=over 4
956		1483
		1484	=item cf::player::num_playing
		1485
		1486	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1487
		1488	=cut
		1489
		1490	sub num_playing {
		1491	scalar grep
		1492	$_->ob->map
		1493	&& !$_->hidden
		1494	&& !$_->ob->flag (cf::FLAG_WIZ),
		1495	cf::player::list
		1496	}
		1497
957	=item cf::player::find $login	1498	=item cf::player::find $login
958		1499
959	Returns the given player object, loading it if necessary (might block).	1500	Returns the given player object, loading it if necessary (might block).
960		1501
961	=cut	1502	=cut
962		1503
963	sub playerdir($) {	1504	sub playerdir($) {
964	cf::localdir	1505	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1506	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1507	}
970		1508
971	sub path($) {	1509	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1510	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1511
974	(playerdir $login) . "/$login.pl"	1512	(playerdir $login) . "/playerdata"
975	}	1513	}
976		1514
977	sub find_active($) {	1515	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1516	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1517	and $cf::PLAYER{$_[0]}->active
…		…
982		1520
983	sub exists($) {	1521	sub exists($) {
984	my ($login) = @_;	1522	my ($login) = @_;
985		1523
986	$cf::PLAYER{$login}	1524	$cf::PLAYER{$login}
987	or cf::sync_job { !aio_stat path $login }	1525	or !aio_stat path $login
988	}	1526	}
989		1527
990	sub find($) {	1528	sub find($) {
991	return $cf::PLAYER{$_[0]} || do {	1529	return $cf::PLAYER{$_[0]} || do {
992	my $login = $_[0];	1530	my $login = $_[0];
993		1531
994	my $guard = cf::lock_acquire "user_find:$login";	1532	my $guard = cf::lock_acquire "user_find:$login";
995		1533
996	$cf::PLAYER{$_[0]} || do {	1534	$cf::PLAYER{$_[0]} || do {
997	my $pl = load_pl path $login	1535	# rename old playerfiles to new ones
		1536	#TODO: remove when no longer required
		1537	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1538	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1539	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1540	aio_unlink +(playerdir $login) . "/$login.pl";
		1541
		1542	my $f = new_from_file cf::object::thawer path $login
998	or return;	1543	or return;
		1544
		1545	my $pl = cf::player::load_pl $f
		1546	or return;
		1547
		1548	local $cf::PLAYER_LOADING{$login} = $pl;
		1549	$f->resolve_delayed_derefs;
999	$cf::PLAYER{$login} = $pl	1550	$cf::PLAYER{$login} = $pl
1000	}	1551	}
1001	}	1552	}
1002	}	1553	}
		1554
		1555	cf::player->attach (
		1556	on_load => sub {
		1557	my ($pl, $path) = @_;
		1558
		1559	# restore slots saved in save, below
		1560	my $slots = delete $pl->{_slots};
		1561
		1562	$pl->ob->current_weapon ($slots->[0]);
		1563	$pl->combat_ob ($slots->[1]);
		1564	$pl->ranged_ob ($slots->[2]);
		1565	},
		1566	);
1003		1567
1004	sub save($) {	1568	sub save($) {
1005	my ($pl) = @_;	1569	my ($pl) = @_;
1006		1570
1007	return if $pl->{deny_save};	1571	return if $pl->{deny_save};
…		…
1012	return if $pl->{deny_save};	1576	return if $pl->{deny_save};
1013		1577
1014	aio_mkdir playerdir $pl, 0770;	1578	aio_mkdir playerdir $pl, 0770;
1015	$pl->{last_save} = $cf::RUNTIME;	1579	$pl->{last_save} = $cf::RUNTIME;
1016		1580
		1581	cf::get_slot 0.01;
		1582
		1583	# save slots, to be restored later
		1584	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1585
1017	$pl->save_pl ($path);	1586	$pl->save_pl ($path);
1018	Coro::cede;	1587	cf::cede_to_tick;
1019	}	1588	}
1020		1589
1021	sub new($) {	1590	sub new($) {
1022	my ($login) = @_;	1591	my ($login) = @_;
1023		1592
…		…
1029	$cf::PLAYER{$login} = $self;	1598	$cf::PLAYER{$login} = $self;
1030		1599
1031	$self	1600	$self
1032	}	1601	}
1033		1602
		1603	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1604
		1605	=cut
		1606
		1607	sub send_msg {
		1608	my $ns = shift->ns
		1609	or return;
		1610	$ns->send_msg (@_);
		1611	}
		1612
1034	=item $pl->quit_character	1613	=item $pl->quit_character
1035		1614
1036	Nukes the player without looking back. If logged in, the connection will	1615	Nukes the player without looking back. If logged in, the connection will
1037	be destroyed. May block for a long time.	1616	be destroyed. May block for a long time.
1038		1617
1039	=cut	1618	=cut
1040		1619
1041	sub quit_character {	1620	sub quit_character {
1042	my ($pl) = @_;	1621	my ($pl) = @_;
1043		1622
		1623	my $name = $pl->ob->name;
		1624
1044	$pl->{deny_save} = 1;	1625	$pl->{deny_save} = 1;
1045	$pl->password ("*"); # this should lock out the player until we nuked the dir	1626	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1046		1627
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1628	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1048	$pl->deactivate;	1629	$pl->deactivate;
		1630	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1631	$pl->ob->check_score;
1049	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1632	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1050	$pl->ns->destroy if $pl->ns;	1633	$pl->ns->destroy if $pl->ns;
1051		1634
1052	my $path = playerdir $pl;	1635	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1636	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1637	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1638	delete $cf::PLAYER{$pl->ob->name};
1056	$pl->destroy;	1639	$pl->destroy;
		1640
		1641	my $prefix = qr<^~\Q$name\E/>;
		1642
		1643	# nuke player maps
		1644	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1645
1057	IO::AIO::aio_rmtree $temp;	1646	IO::AIO::aio_rmtree $temp;
		1647	}
		1648
		1649	=item $pl->kick
		1650
		1651	Kicks a player out of the game. This destroys the connection.
		1652
		1653	=cut
		1654
		1655	sub kick {
		1656	my ($pl, $kicker) = @_;
		1657
		1658	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1659	$pl->killer ("kicked");
		1660	$pl->ns->destroy;
1058	}	1661	}
1059		1662
1060	=item cf::player::list_logins	1663	=item cf::player::list_logins
1061		1664
1062	Returns am arrayref of all valid playernames in the system, can take a	1665	Returns am arrayref of all valid playernames in the system, can take a
1063	while and may block, so not sync_job-capable, ever.	1666	while and may block, so not sync_job-capable, ever.
1064		1667
1065	=cut	1668	=cut
1066		1669
1067	sub list_logins {	1670	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1671	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1672	or return [];
1070		1673
1071	my @logins;	1674	my @logins;
1072		1675
1073	for my $login (@$dirs) {	1676	for my $login (@$dirs) {
		1677	my $path = path $login;
		1678
		1679	# a .pst is a dead give-away for a valid player
		1680	# if no pst file found, open and chekc for blocked users
		1681	if (aio_stat "$path.pst") {
1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1682	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1075	aio_read $fh, 0, 512, my $buf, 0 or next;	1683	aio_read $fh, 0, 512, my $buf, 0 or next;
1076	$buf !~ /^password -------------$/m or next; # official not-valid tag	1684	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1685	}
1077		1686
1078	utf8::decode $login;	1687	utf8::decode $login;
1079	push @logins, $login;	1688	push @logins, $login;
1080	}	1689	}
1081		1690
…		…
1108	}	1717	}
1109		1718
1110	\@paths	1719	\@paths
1111	}	1720	}
1112		1721
		1722	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1723
		1724	Expand deliantra pod fragments into protocol xml.
		1725
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1726	=item $player->ext_reply ($msgid, @msg)
1114		1727
1115	Sends an ext reply to the player.	1728	Sends an ext reply to the player.
1116		1729
1117	=cut	1730	=cut
1118		1731
1119	sub ext_reply($$$%) {	1732	sub ext_reply($$@) {
1120	my ($self, $id, %msg) = @_;	1733	my ($self, $id, @msg) = @_;
1121		1734
1122	$msg{msgid} = $id;	1735	$self->ns->ext_reply ($id, @msg)
1123
1124	$self->send ("ext " . cf::to_json \%msg);
1125	}	1736	}
1126		1737
1127	package cf;	1738	=item $player->ext_msg ($type, @msg)
		1739
		1740	Sends an ext event to the client.
		1741
		1742	=cut
		1743
		1744	sub ext_msg($$@) {
		1745	my ($self, $type, @msg) = @_;
		1746
		1747	$self->ns->ext_msg ($type, @msg);
		1748	}
		1749
		1750	=head3 cf::region
		1751
		1752	=over 4
		1753
		1754	=cut
		1755
		1756	package cf::region;
		1757
		1758	=item cf::region::find_by_path $path
		1759
		1760	Tries to decuce the likely region for a map knowing only its path.
		1761
		1762	=cut
		1763
		1764	sub find_by_path($) {
		1765	my ($path) = @_;
		1766
		1767	my ($match, $specificity);
		1768
		1769	for my $region (list) {
		1770	if ($region->{match} && $path =~ $region->{match}) {
		1771	($match, $specificity) = ($region, $region->specificity)
		1772	if $region->specificity > $specificity;
		1773	}
		1774	}
		1775
		1776	$match
		1777	}
1128		1778
1129	=back	1779	=back
1130
1131		1780
1132	=head3 cf::map	1781	=head3 cf::map
1133		1782
1134	=over 4	1783	=over 4
1135		1784
…		…
1147	our $MAX_RESET = 3600;	1796	our $MAX_RESET = 3600;
1148	our $DEFAULT_RESET = 3000;	1797	our $DEFAULT_RESET = 3000;
1149		1798
1150	sub generate_random_map {	1799	sub generate_random_map {
1151	my ($self, $rmp) = @_;	1800	my ($self, $rmp) = @_;
		1801
		1802	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1803
1152	# mit "rum" bekleckern, nicht	1804	# mit "rum" bekleckern, nicht
1153	$self->_create_random_map (	1805	$self->_create_random_map (
1154	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1806	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1155	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1807	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1156	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1808	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1157	$rmp->{exit_on_final_map},	1809	$rmp->{exit_on_final_map},
1158	$rmp->{xsize}, $rmp->{ysize},	1810	$rmp->{xsize}, $rmp->{ysize},
1159	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1811	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1160	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1812	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1190	my ($self, $merge) = @_;	1842	my ($self, $merge) = @_;
1191		1843
1192	# we have to keep some variables in memory intact	1844	# we have to keep some variables in memory intact
1193	local $self->{path};	1845	local $self->{path};
1194	local $self->{load_path};	1846	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		1847
1198	$self->SUPER::thawer_merge ($merge);	1848	$self->SUPER::thawer_merge ($merge);
1199	}	1849	}
1200		1850
1201	sub normalise {	1851	sub normalise {
…		…
1248	$self->init; # pass $1 etc.	1898	$self->init; # pass $1 etc.
1249	return $self;	1899	return $self;
1250	}	1900	}
1251	}	1901	}
1252		1902
1253	Carp::carp "unable to resolve path '$path' (base '$base').";	1903	Carp::cluck "unable to resolve path '$path' (base '$base').";
1254	()	1904	()
1255	}	1905	}
1256		1906
1257	sub init {	1907	sub init {
1258	my ($self) = @_;	1908	my ($self) = @_;
…		…
1273		1923
1274	# the original (read-only) location	1924	# the original (read-only) location
1275	sub load_path {	1925	sub load_path {
1276	my ($self) = @_;	1926	my ($self) = @_;
1277		1927
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1928	"$MAPDIR/$self->{path}.map"
1279	}	1929	}
1280		1930
1281	# the temporary/swap location	1931	# the temporary/swap location
1282	sub save_path {	1932	sub save_path {
1283	my ($self) = @_;	1933	my ($self) = @_;
1284		1934
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1935	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1936	"$TMPDIR/$path.map"
1287	}	1937	}
1288		1938
1289	# the unique path, undef == no special unique path	1939	# the unique path, undef == no special unique path
1290	sub uniq_path {	1940	sub uniq_path {
1291	my ($self) = @_;	1941	my ($self) = @_;
1292		1942
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1943	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1944	"$UNIQUEDIR/$path"
1295	}	1945	}
1296		1946
1297	# and all this just because we cannot iterate over	1947	sub decay_objects {
1298	# all maps in C++...
1299	sub change_all_map_light {
1300	my ($change) = @_;	1948	my ($self) = @_;
1301		1949
1302	$_->change_map_light ($change)	1950	return if $self->{deny_reset};
1303	for grep $_->outdoor, values %cf::MAP;	1951
		1952	$self->do_decay_objects;
1304	}	1953	}
1305		1954
1306	sub unlink_save {	1955	sub unlink_save {
1307	my ($self) = @_;	1956	my ($self) = @_;
1308		1957
1309	utf8::encode (my $save = $self->save_path);	1958	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1959	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1960	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313	#d#TODO remove .map and also nuke
1314	$save =~ s/\.map// or return;#d#
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317	}	1961	}
1318		1962
1319	sub load_header_from($) {	1963	sub load_header_from($) {
1320	my ($self, $path) = @_;	1964	my ($self, $path) = @_;
1321		1965
1322	utf8::encode $path;	1966	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1967	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	1968	or return;
		1969
		1970	$self->_load_header ($f)
		1971	or return;
		1972
		1973	local $MAP_LOADING{$self->{path}} = $self;
		1974	$f->resolve_delayed_derefs;
1328		1975
1329	$self->{load_path} = $path;	1976	$self->{load_path} = $path;
1330		1977
1331	1	1978	1
1332	}	1979	}
…		…
1371	$self->load_header_orig	2018	$self->load_header_orig
1372	or return;	2019	or return;
1373	$self->prepare_orig;	2020	$self->prepare_orig;
1374	}	2021	}
1375		2022
		2023	$self->{deny_reset} = 1
		2024	if $self->no_reset;
		2025
		2026	$self->default_region (cf::region::find_by_path $self->{path})
		2027	unless $self->default_region;
		2028
1376	1	2029	1
1377	}	2030	}
1378		2031
1379	sub find;	2032	sub find;
1380	sub find {	2033	sub find {
1381	my ($path, $origin) = @_;	2034	my ($path, $origin) = @_;
1382		2035
1383	$path = normalise $path, $origin && $origin->path;	2036	$path = normalise $path, $origin && $origin->path;
1384		2037
		2038	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	2039	my $guard2 = cf::lock_acquire "map_find:$path";
1386		2040
1387	$cf::MAP{$path} || do {	2041	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";
1389	my $map = new_from_path cf::map $path	2042	my $map = new_from_path cf::map $path
1390	or return;	2043	or return;
1391		2044
1392	$map->{last_save} = $cf::RUNTIME;	2045	$map->{last_save} = $cf::RUNTIME;
1393		2046
1394	$map->load_header	2047	$map->load_header
1395	or return;	2048	or return;
1396		2049
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2050	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	2051	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	2052	#$cf::WAIT_FOR_TICK->wait;
		2053	undef $guard2;
		2054	undef $guard1;
1400	$map->reset;	2055	$map->reset;
1401	undef $guard;
1402	return find $path;	2056	return find $path;
1403	}	2057	}
1404		2058
1405	$cf::MAP{$path} = $map	2059	$cf::MAP{$path} = $map
1406	}	2060	}
1407	}	2061	}
1408		2062
1409	sub pre_load { }	2063	sub pre_load { }
1410	sub post_load { }	2064	#sub post_load { } # XS
1411		2065
1412	sub load {	2066	sub load {
1413	my ($self) = @_;	2067	my ($self) = @_;
1414		2068
1415	local $self->{deny_reset} = 1; # loading can take a long time	2069	local $self->{deny_reset} = 1; # loading can take a long time
1416		2070
1417	my $path = $self->{path};	2071	my $path = $self->{path};
		2072
		2073	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2074	my $guard = cf::lock_acquire "map_data:$path";
1419		2075
		2076	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2077	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		2078
1422	$self->in_memory (cf::MAP_LOADING);	2079	$self->in_memory (cf::MAP_LOADING);
1423		2080
1424	$self->alloc;	2081	$self->alloc;
1425		2082
1426	$self->pre_load;	2083	$self->pre_load;
		2084	cf::cede_to_tick;
1427		2085
1428	$self->_load_objects ($self->{load_path}, 1)	2086	my $f = new_from_file cf::object::thawer $self->{load_path};
		2087	$f->skip_block;
		2088	$self->_load_objects ($f)
1429	or return;	2089	or return;
1430		2090
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2091	$self->post_load_original
1432	if delete $self->{load_original};	2092	if delete $self->{load_original};
1433		2093
1434	if (my $uniq = $self->uniq_path) {	2094	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2095	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2096	unless (aio_stat $uniq) {
		2097	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2098	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2099	$self->_load_objects ($f);
		2100	$f->resolve_delayed_derefs;
		2101	}
1439	}	2102	}
1440	}	2103	}
1441		2104
1442	Coro::cede;	2105	$f->resolve_delayed_derefs;
1443		2106
		2107	cf::cede_to_tick;
1444	# now do the right thing for maps	2108	# now do the right thing for maps
1445	$self->link_multipart_objects;	2109	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2110	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2111	unless $self->difficulty;
1455	Coro::cede;	2112	cf::cede_to_tick;
		2113
		2114	unless ($self->{deny_activate}) {
		2115	$self->decay_objects;
		2116	$self->fix_auto_apply;
		2117	$self->update_buttons;
		2118	cf::cede_to_tick;
1456	$self->activate;	2119	$self->activate;
		2120	}
		2121
		2122	$self->{last_save} = $cf::RUNTIME;
		2123	$self->last_access ($cf::RUNTIME);
		2124
		2125	$self->in_memory (cf::MAP_ACTIVE);
1457	}	2126	}
1458		2127
1459	$self->post_load;	2128	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	2129	}
1463		2130
		2131	# customize the map for a given player, i.e.
		2132	# return the _real_ map. used by e.g. per-player
		2133	# maps to change the path to ~playername/mappath
1464	sub customise_for {	2134	sub customise_for {
1465	my ($self, $ob) = @_;	2135	my ($self, $ob) = @_;
1466		2136
1467	return find "~" . $ob->name . "/" . $self->{path}	2137	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2138	if $self->per_player;
1469		2139
		2140	# return find "?party/" . $ob->name . "/" . $self->{path}
		2141	# if $self->per_party;
		2142
1470	$self	2143	$self
1471	}	2144	}
1472		2145
1473	# find and load all maps in the 3x3 area around a map	2146	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	2147	sub load_neighbours {
1475	my ($map) = @_;	2148	my ($map) = @_;
1476		2149
1477	my @diag; # diagonal neighbours	2150	my @neigh; # diagonal neighbours
1478		2151
1479	for (0 .. 3) {	2152	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2153	my $neigh = $map->tile_path ($_)
1481	or next;	2154	or next;
1482	$neigh = find $neigh, $map	2155	$neigh = find $neigh, $map
1483	or next;	2156	or next;
1484	$neigh->load;	2157	$neigh->load;
1485		2158
		2159	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2160	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2161	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2162	}
1489		2163
1490	for (@diag) {	2164	for (grep defined $_->[0], @neigh) {
		2165	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2166	my $neigh = find $path, $origin
1492	or next;	2167	or next;
1493	$neigh->load;	2168	$neigh->load;
1494	}	2169	}
1495	}	2170	}
1496		2171
…		…
1501	}	2176	}
1502		2177
1503	sub do_load_sync {	2178	sub do_load_sync {
1504	my ($map) = @_;	2179	my ($map) = @_;
1505		2180
		2181	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2182	if $Coro::current == $Coro::main;
		2183
1506	cf::sync_job { $map->load };	2184	cf::sync_job { $map->load };
1507	}	2185	}
1508		2186
1509	our %MAP_PREFETCH;	2187	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2188	our $MAP_PREFETCHER = undef;
1511		2189
1512	sub find_async {	2190	sub find_async {
1513	my ($path, $origin) = @_;	2191	my ($path, $origin, $load) = @_;
1514		2192
1515	$path = normalise $path, $origin && $origin->{path};	2193	$path = normalise $path, $origin && $origin->{path};
1516		2194
1517	if (my $map = $cf::MAP{$path}) {	2195	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2196	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519	}	2197	}
1520		2198
1521	undef $MAP_PREFETCH{$path};	2199	$MAP_PREFETCH{$path} |= $load;
		2200
1522	$MAP_PREFETCHER ||= cf::async {	2201	$MAP_PREFETCHER ||= cf::async {
		2202	$Coro::current->{desc} = "map prefetcher";
		2203
1523	while (%MAP_PREFETCH) {	2204	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2205	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2206	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2207	$map->load if $v;
		2208	}
1528		2209
1529	delete $MAP_PREFETCH{$path};	2210	delete $MAP_PREFETCH{$k};
1530	}	2211	}
1531	}	2212	}
1532	undef $MAP_PREFETCHER;	2213	undef $MAP_PREFETCHER;
1533	};	2214	};
1534	$MAP_PREFETCHER->prio (6);	2215	$MAP_PREFETCHER->prio (6);
1535		2216
1536	()	2217	()
1537	}	2218	}
1538		2219
		2220	# common code, used by both ->save and ->swapout
1539	sub save {	2221	sub _save {
1540	my ($self) = @_;	2222	my ($self) = @_;
1541
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1543		2223
1544	$self->{last_save} = $cf::RUNTIME;	2224	$self->{last_save} = $cf::RUNTIME;
1545		2225
1546	return unless $self->dirty;	2226	return unless $self->dirty;
1547		2227
…		…
1553	return if $self->{deny_save};	2233	return if $self->{deny_save};
1554		2234
1555	local $self->{last_access} = $self->last_access;#d#	2235	local $self->{last_access} = $self->last_access;#d#
1556		2236
1557	cf::async {	2237	cf::async {
		2238	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2239	$_->contr->save for $self->players;
1559	};	2240	};
		2241
		2242	cf::get_slot 0.02;
1560		2243
1561	if ($uniq) {	2244	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2245	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2246	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2247	} else {
1565	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2248	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1566	}	2249	}
1567	}	2250	}
1568		2251
		2252	sub save {
		2253	my ($self) = @_;
		2254
		2255	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2256
		2257	$self->_save;
		2258	}
		2259
1569	sub swap_out {	2260	sub swap_out {
1570	my ($self) = @_;	2261	my ($self) = @_;
1571		2262
1572	# save first because save cedes
1573	$self->save;
1574
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2264
		2265	return if $self->in_memory != cf::MAP_ACTIVE;
		2266	return if $self->{deny_save};
1577	return if $self->players;	2267	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};
1580		2268
		2269	# first deactivate the map and "unlink" it from the core
		2270	$self->deactivate;
		2271	$_->clear_links_to ($self) for values %cf::MAP;
		2272	$self->in_memory (cf::MAP_SWAPPED);
		2273
		2274	# then atomically save
		2275	$self->_save;
		2276
		2277	# then free the map
1581	$self->clear;	2278	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2279	}
1584		2280
1585	sub reset_at {	2281	sub reset_at {
1586	my ($self) = @_;	2282	my ($self) = @_;
1587		2283
1588	# TODO: safety, remove and allow resettable per-player maps	2284	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2285	return 1e99 if $self->{deny_reset};
1591		2286
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2287	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2288	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2289
…		…
1605	my ($self) = @_;	2300	my ($self) = @_;
1606		2301
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2302	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2303
1609	return if $self->players;	2304	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2305
1612	warn "resetting map ", $self->path;#d#	2306	warn "resetting map ", $self->path, "\n";
1613		2307
1614	$self->in_memory (cf::MAP_SWAPPED);	2308	$self->in_memory (cf::MAP_SWAPPED);
1615		2309
1616	# need to save uniques path	2310	# need to save uniques path
1617	unless ($self->{deny_save}) {	2311	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2315	if $uniq;
1622	}	2316	}
1623		2317
1624	delete $cf::MAP{$self->path};	2318	delete $cf::MAP{$self->path};
1625		2319
		2320	$self->deactivate;
		2321	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2322	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2323
1630	$self->unlink_save;	2324	$self->unlink_save;
1631	$self->destroy;	2325	$self->destroy;
1632	}	2326	}
1633		2327
1634	my $nuke_counter = "aaaa";	2328	my $nuke_counter = "aaaa";
1635		2329
1636	sub nuke {	2330	sub nuke {
1637	my ($self) = @_;	2331	my ($self) = @_;
1638		2332
		2333	{
		2334	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2335
1639	delete $cf::MAP{$self->path};	2336	delete $cf::MAP{$self->path};
1640		2337
1641	$self->unlink_save;	2338	$self->unlink_save;
1642		2339
1643	bless $self, "cf::map";	2340	bless $self, "cf::map";
1644	delete $self->{deny_reset};	2341	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2342	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2343	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2344	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2345
1649	$cf::MAP{$self->path} = $self;	2346	$cf::MAP{$self->path} = $self;
		2347	}
1650		2348
1651	$self->reset; # polite request, might not happen	2349	$self->reset; # polite request, might not happen
		2350	}
		2351
		2352	=item $maps = cf::map::tmp_maps
		2353
		2354	Returns an arrayref with all map paths of currently instantiated and saved
		2355	maps. May block.
		2356
		2357	=cut
		2358
		2359	sub tmp_maps() {
		2360	[
		2361	map {
		2362	utf8::decode $_;
		2363	/\.map$/
		2364	? normalise $_
		2365	: ()
		2366	} @{ aio_readdir $TMPDIR or [] }
		2367	]
		2368	}
		2369
		2370	=item $maps = cf::map::random_maps
		2371
		2372	Returns an arrayref with all map paths of currently instantiated and saved
		2373	random maps. May block.
		2374
		2375	=cut
		2376
		2377	sub random_maps() {
		2378	[
		2379	map {
		2380	utf8::decode $_;
		2381	/\.map$/
		2382	? normalise "?random/$_"
		2383	: ()
		2384	} @{ aio_readdir $RANDOMDIR or [] }
		2385	]
1652	}	2386	}
1653		2387
1654	=item cf::map::unique_maps	2388	=item cf::map::unique_maps
1655		2389
1656	Returns an arrayref of paths of all shared maps that have	2390	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2391	instantiated unique items. May block.
1658		2392
1659	=cut	2393	=cut
1660		2394
1661	sub unique_maps() {	2395	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2396	[
1663	or return;	2397	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2398	utf8::decode $_;
1669	next if /\.pst$/;	2399	s/\.map$//; # TODO future compatibility hack
1670	next unless /^$PATH_SEP/o;	2400	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1671		2401	? ()
1672	push @paths, cf::map::normalise $_;	2402	: normalise $_
		2403	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2404	]
1674
1675	\@paths
1676	}	2405	}
1677		2406
1678	package cf;	2407	=item cf::map::static_maps
		2408
		2409	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2410	file in the shared directory excluding F</styles> and F</editor>). May
		2411	block.
		2412
		2413	=cut
		2414
		2415	sub static_maps() {
		2416	my @dirs = "";
		2417	my @maps;
		2418
		2419	while (@dirs) {
		2420	my $dir = shift @dirs;
		2421
		2422	next if $dir eq "/styles" || $dir eq "/editor";
		2423
		2424	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2425	or return;
		2426
		2427	for (@$files) {
		2428	s/\.map$// or next;
		2429	utf8::decode $_;
		2430	push @maps, "$dir/$_";
		2431	}
		2432
		2433	push @dirs, map "$dir/$_", @$dirs;
		2434	}
		2435
		2436	\@maps
		2437	}
1679		2438
1680	=back	2439	=back
1681		2440
1682	=head3 cf::object	2441	=head3 cf::object
1683		2442
…		…
1687		2446
1688	=over 4	2447	=over 4
1689		2448
1690	=item $ob->inv_recursive	2449	=item $ob->inv_recursive
1691		2450
1692	Returns the inventory of the object _and_ their inventories, recursively.	2451	Returns the inventory of the object I<and> their inventories, recursively,
		2452	but I<not> the object itself.
1693		2453
1694	=cut	2454	=cut
1695		2455
1696	sub inv_recursive_;	2456	sub inv_recursive_;
1697	sub inv_recursive_ {	2457	sub inv_recursive_ {
…		…
1700		2460
1701	sub inv_recursive {	2461	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2462	inv_recursive_ inv $_[0]
1703	}	2463	}
1704		2464
		2465	=item $ref = $ob->ref
		2466
		2467	Creates and returns a persistent reference to an object that can be stored as a string.
		2468
		2469	=item $ob = cf::object::deref ($refstring)
		2470
		2471	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2472	even if the object actually exists. May block.
		2473
		2474	=cut
		2475
		2476	sub deref {
		2477	my ($ref) = @_;
		2478
		2479	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2480	my ($uuid, $name) = ($1, $2);
		2481	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2482	or return;
		2483	$pl->ob->uuid eq $uuid
		2484	or return;
		2485
		2486	$pl->ob
		2487	} else {
		2488	warn "$ref: cannot resolve object reference\n";
		2489	undef
		2490	}
		2491	}
		2492
1705	package cf;	2493	package cf;
1706		2494
1707	=back	2495	=back
1708		2496
1709	=head3 cf::object::player	2497	=head3 cf::object::player
…		…
1715	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2503	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1716	can be C<undef>. Does the right thing when the player is currently in a	2504	can be C<undef>. Does the right thing when the player is currently in a
1717	dialogue with the given NPC character.	2505	dialogue with the given NPC character.
1718		2506
1719	=cut	2507	=cut
		2508
		2509	our $SAY_CHANNEL = {
		2510	id => "say",
		2511	title => "Map",
		2512	reply => "say ",
		2513	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2514	};
		2515
		2516	our $CHAT_CHANNEL = {
		2517	id => "chat",
		2518	title => "Chat",
		2519	reply => "chat ",
		2520	tooltip => "Player chat and shouts, global to the server.",
		2521	};
1720		2522
1721	# rough implementation of a future "reply" method that works	2523	# rough implementation of a future "reply" method that works
1722	# with dialog boxes.	2524	# with dialog boxes.
1723	#TODO: the first argument must go, split into a $npc->reply_to ( method	2525	#TODO: the first argument must go, split into a $npc->reply_to ( method
1724	sub cf::object::player::reply($$$;$) {	2526	sub cf::object::player::reply($$$;$) {
…		…
1726		2528
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2529	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2530
1729	if ($self->{record_replies}) {	2531	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2532	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2533
1731	} else {	2534	} else {
		2535	my $pl = $self->contr;
		2536
		2537	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2538	my $dialog = $pl->{npc_dialog};
		2539	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2540
		2541	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2542	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2543	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2544	}
1734	}	2545	}
		2546	}
		2547
		2548	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2549
		2550	=cut
		2551
		2552	sub cf::object::send_msg {
		2553	my $pl = shift->contr
		2554	or return;
		2555	$pl->send_msg (@_);
1735	}	2556	}
1736		2557
1737	=item $player_object->may ("access")	2558	=item $player_object->may ("access")
1738		2559
1739	Returns wether the given player is authorized to access resource "access"	2560	Returns wether the given player is authorized to access resource "access"
…		…
1752		2573
1753	=item $player_object->enter_link	2574	=item $player_object->enter_link
1754		2575
1755	Freezes the player and moves him/her to a special map (C<{link}>).	2576	Freezes the player and moves him/her to a special map (C<{link}>).
1756		2577
1757	The player should be reasonably safe there for short amounts of time. You	2578	The player should be reasonably safe there for short amounts of time (e.g.
1758	I<MUST> call C<leave_link> as soon as possible, though.	2579	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2580	though, as the palyer cannot control the character while it is on the link
		2581	map.
1759		2582
1760	Will never block.	2583	Will never block.
1761		2584
1762	=item $player_object->leave_link ($map, $x, $y)	2585	=item $player_object->leave_link ($map, $x, $y)
1763		2586
…		…
1786	$self->deactivate_recursive;	2609	$self->deactivate_recursive;
1787		2610
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2611	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2612
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2613	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2614	if $self->map && $self->map->{path} ne "{link}";
1792		2615
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2616	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1794	}	2617	}
1795		2618
1796	sub cf::object::player::leave_link {	2619	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2620	my ($self, $map, $x, $y) = @_;
		2621
		2622	return unless $self->contr->active;
1798		2623
1799	my $link_pos = delete $self->{_link_pos};	2624	my $link_pos = delete $self->{_link_pos};
1800		2625
1801	unless ($map) {	2626	unless ($map) {
1802	# restore original map position	2627	# restore original map position
…		…
1813	($x, $y) = (-1, -1)	2638	($x, $y) = (-1, -1)
1814	unless (defined $x) && (defined $y);	2639	unless (defined $x) && (defined $y);
1815		2640
1816	# use -1 or undef as default coordinates, not 0, 0	2641	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2642	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2643	if $x <= 0 && $y <= 0;
1819		2644
1820	$map->load;	2645	$map->load;
1821	$map->load_diag;	2646	$map->load_neighbours;
1822		2647
1823	return unless $self->contr->active;	2648	return unless $self->contr->active;
		2649
		2650	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2651	$self->enter_map ($map, $x, $y);
		2652
		2653	# only activate afterwards, to support waiting in hooks
1824	$self->activate_recursive;	2654	$self->activate_recursive;
1825	$self->enter_map ($map, $x, $y);
1826	}	2655	}
1827		2656
1828	cf::player->attach (	2657	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1829	on_logout => sub {
1830	my ($pl) = @_;
1831		2658
1832	# abort map switching before logout	2659	Moves the player to the given map-path and coordinates by first freezing
1833	if ($pl->ob->{_link_pos}) {	2660	her, loading and preparing them map, calling the provided $check callback
1834	cf::sync_job {	2661	that has to return the map if sucecssful, and then unfreezes the player on
1835	$pl->ob->leave_link	2662	the new (success) or old (failed) map position. In either case, $done will
1836	};	2663	be called at the end of this process.
1837	}
1838	},
1839	on_login => sub {
1840	my ($pl) = @_;
1841		2664
1842	# try to abort aborted map switching on player login :)	2665	Note that $check will be called with a potentially non-loaded map, so if
1843	# should happen only on crashes	2666	it needs a loaded map it has to call C<< ->load >>.
1844	if ($pl->ob->{_link_pos}) {
1845	$pl->ob->enter_link;
1846	(async {
1847	# we need this sleep as the login has a concurrent enter_exit running
1848	# and this sleep increases chances of the player not ending up in scorn
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	Coro::Timer::sleep 1;
1854	$pl->ob->leave_link;
1855	})->prio (2);
1856	}
1857	},
1858	);
1859		2667
1860	=item $player_object->goto ($path, $x, $y)
1861
1862	=cut	2668	=cut
		2669
		2670	our $GOTOGEN;
1863		2671
1864	sub cf::object::player::goto {	2672	sub cf::object::player::goto {
1865	my ($self, $path, $x, $y) = @_;	2673	my ($self, $path, $x, $y, $check, $done) = @_;
		2674
		2675	# do generation counting so two concurrent goto's will be executed in-order
		2676	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1866		2677
1867	$self->enter_link;	2678	$self->enter_link;
1868		2679
1869	(async {	2680	(async {
		2681	$Coro::current->{desc} = "player::goto $path $x $y";
		2682
		2683	# *tag paths override both path and x|y
		2684	if ($path =~ /^\*(.*)$/) {
		2685	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2686	my $ob = $obs[rand @obs];
		2687
		2688	# see if we actually can go there
		2689	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2690	$ob = $obs[rand @obs];
		2691	} else {
		2692	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2693	}
		2694	# else put us there anyways for now #d#
		2695
		2696	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2697	} else {
		2698	($path, $x, $y) = (undef, undef, undef);
		2699	}
		2700	}
		2701
1870	my $map = eval {	2702	my $map = eval {
1871	my $map = cf::map::find $path;	2703	my $map = defined $path ? cf::map::find $path : undef;
		2704
		2705	if ($map) {
1872	$map = $map->customise_for ($self) if $map;	2706	$map = $map->customise_for ($self);
		2707	$map = $check->($map) if $check && $map;
		2708	} else {
		2709	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2710	}
		2711
1873	$map	2712	$map
		2713	};
		2714
		2715	if ($@) {
		2716	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2717	LOG llevError | logBacktrace, Carp::longmess $@;
1874	} or	2718	}
1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876		2719
		2720	if ($gen == $self->{_goto_generation}) {
		2721	delete $self->{_goto_generation};
1877	$self->leave_link ($map, $x, $y);	2722	$self->leave_link ($map, $x, $y);
		2723	}
		2724
		2725	$done->() if $done;
1878	})->prio (1);	2726	})->prio (1);
1879	}	2727	}
1880		2728
1881	=item $player_object->enter_exit ($exit_object)	2729	=item $player_object->enter_exit ($exit_object)
1882		2730
…		…
1902	}	2750	}
1903		2751
1904	sub prepare_random_map {	2752	sub prepare_random_map {
1905	my ($exit) = @_;	2753	my ($exit) = @_;
1906		2754
1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1908
1909	# all this does is basically replace the /! path by	2755	# all this does is basically replace the /! path by
1910	# a new random map path (?random/...) with a seed	2756	# a new random map path (?random/...) with a seed
1911	# that depends on the exit object	2757	# that depends on the exit object
1912		2758
1913	my $rmp = parse_random_map_params $exit->msg;	2759	my $rmp = parse_random_map_params $exit->msg;
…		…
1915	if ($exit->map) {	2761	if ($exit->map) {
1916	$rmp->{region} = $exit->region->name;	2762	$rmp->{region} = $exit->region->name;
1917	$rmp->{origin_map} = $exit->map->path;	2763	$rmp->{origin_map} = $exit->map->path;
1918	$rmp->{origin_x} = $exit->x;	2764	$rmp->{origin_x} = $exit->x;
1919	$rmp->{origin_y} = $exit->y;	2765	$rmp->{origin_y} = $exit->y;
		2766
		2767	$exit->map->touch;
1920	}	2768	}
1921		2769
1922	$rmp->{random_seed} ||= $exit->random_seed;	2770	$rmp->{random_seed} ||= $exit->random_seed;
1923		2771
1924	my $data = cf::to_json $rmp;	2772	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1925	my $md5 = Digest::MD5::md5_hex $data;	2773	my $md5 = Digest::MD5::md5_hex $data;
1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2774	my $meta = "$RANDOMDIR/$md5.meta";
1927		2775
1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2776	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929	aio_write $fh, 0, (length $data), $data, 0;	2777	aio_write $fh, 0, (length $data), $data, 0;
1930	undef $fh;	2778	undef $fh;
1931	aio_rename "$meta~", $meta;	2779	aio_rename "$meta~", $meta;
1932		2780
		2781	my $slaying = "?random/$md5";
		2782
		2783	if ($exit->valid) {
1933	$exit->slaying ("?random/$md5");	2784	$exit->slaying ("?random/$md5");
1934	$exit->msg (undef);	2785	$exit->msg (undef);
		2786	}
1935	}	2787	}
1936	}	2788	}
1937		2789
1938	sub cf::object::player::enter_exit {	2790	sub cf::object::player::enter_exit {
1939	my ($self, $exit) = @_;	2791	my ($self, $exit) = @_;
1940		2792
1941	return unless $self->type == cf::PLAYER;	2793	return unless $self->type == cf::PLAYER;
1942		2794
1943	if ($exit->slaying eq "/!") {
1944	#TODO: this should de-fi-ni-te-ly not be a sync-job
1945	cf::sync_job { prepare_random_map $exit };
1946	}
1947
1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949	my $hp = $exit->stats->hp;
1950	my $sp = $exit->stats->sp;
1951
1952	$self->enter_link;	2795	$self->enter_link;
1953		2796
1954	(async {	2797	(async {
1955	$self->deactivate_recursive; # just to be sure	2798	$Coro::current->{desc} = "enter_exit";
		2799
1956	unless (eval {	2800	unless (eval {
		2801	$self->deactivate_recursive; # just to be sure
		2802
		2803	# random map handling
		2804	{
		2805	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2806
		2807	prepare_random_map $exit
		2808	if $exit->slaying eq "/!";
		2809	}
		2810
		2811	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2812	my $x = $exit->stats->hp;
		2813	my $y = $exit->stats->sp;
		2814
1957	$self->goto ($slaying, $hp, $sp);	2815	$self->goto ($map, $x, $y);
1958		2816
		2817	# if exit is damned, update players death & WoR home-position
		2818	$self->contr->savebed ($map, $x, $y)
		2819	if $exit->flag (cf::FLAG_DAMNED);
		2820
1959	1;	2821	1
1960	}) {	2822	}) {
1961	$self->message ("Something went wrong deep within the crossfire server. "	2823	$self->message ("Something went wrong deep within the deliantra server. "
1962	. "I'll try to bring you back to the map you were before. "	2824	. "I'll try to bring you back to the map you were before. "
1963	. "Please report this to the dungeon master!",	2825	. "Please report this to the dungeon master!",
1964	cf::NDI_UNIQUE | cf::NDI_RED);	2826	cf::NDI_UNIQUE | cf::NDI_RED);
1965		2827
1966	warn "ERROR in enter_exit: $@";	2828	warn "ERROR in enter_exit: $@";
1967	$self->leave_link;	2829	$self->leave_link;
1968	}	2830	}
1969	})->prio (1);	2831	})->prio (1);
…		…
1982		2844
1983	sub cf::client::send_drawinfo {	2845	sub cf::client::send_drawinfo {
1984	my ($self, $text, $flags) = @_;	2846	my ($self, $text, $flags) = @_;
1985		2847
1986	utf8::encode $text;	2848	utf8::encode $text;
1987	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2849	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988	}	2850	}
1989		2851
		2852	=item $client->send_big_packet ($pkt)
		2853
		2854	Like C<send_packet>, but tries to compress large packets, and fragments
		2855	them as required.
		2856
		2857	=cut
		2858
		2859	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2860
		2861	sub cf::client::send_big_packet {
		2862	my ($self, $pkt) = @_;
		2863
		2864	# try lzf for large packets
		2865	$pkt = "lzf " . Compress::LZF::compress $pkt
		2866	if 1024 <= length $pkt and $self->{can_lzf};
		2867
		2868	# split very large packets
		2869	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2870	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2871	$pkt = "frag";
		2872	}
		2873
		2874	$self->send_packet ($pkt);
		2875	}
		2876
		2877	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2878
		2879	Send a drawinfo or msg packet to the client, formatting the msg for the
		2880	client if neccessary. C<$type> should be a string identifying the type of
		2881	the message, with C<log> being the default. If C<$color> is negative, suppress
		2882	the message unless the client supports the msg packet.
		2883
		2884	=cut
		2885
		2886	# non-persistent channels (usually the info channel)
		2887	our %CHANNEL = (
		2888	"c/motd" => {
		2889	id => "infobox",
		2890	title => "MOTD",
		2891	reply => undef,
		2892	tooltip => "The message of the day",
		2893	},
		2894	"c/identify" => {
		2895	id => "infobox",
		2896	title => "Identify",
		2897	reply => undef,
		2898	tooltip => "Items recently identified",
		2899	},
		2900	"c/examine" => {
		2901	id => "infobox",
		2902	title => "Examine",
		2903	reply => undef,
		2904	tooltip => "Signs and other items you examined",
		2905	},
		2906	"c/shopinfo" => {
		2907	id => "infobox",
		2908	title => "Shop Info",
		2909	reply => undef,
		2910	tooltip => "What your bargaining skill tells you about the shop",
		2911	},
		2912	"c/book" => {
		2913	id => "infobox",
		2914	title => "Book",
		2915	reply => undef,
		2916	tooltip => "The contents of a note or book",
		2917	},
		2918	"c/lookat" => {
		2919	id => "infobox",
		2920	title => "Look",
		2921	reply => undef,
		2922	tooltip => "What you saw there",
		2923	},
		2924	"c/who" => {
		2925	id => "infobox",
		2926	title => "Players",
		2927	reply => undef,
		2928	tooltip => "Shows players who are currently online",
		2929	},
		2930	"c/body" => {
		2931	id => "infobox",
		2932	title => "Body Parts",
		2933	reply => undef,
		2934	tooltip => "Shows which body parts you posess and are available",
		2935	},
		2936	"c/statistics" => {
		2937	id => "infobox",
		2938	title => "Statistics",
		2939	reply => undef,
		2940	tooltip => "Shows your primary statistics",
		2941	},
		2942	"c/skills" => {
		2943	id => "infobox",
		2944	title => "Skills",
		2945	reply => undef,
		2946	tooltip => "Shows your experience per skill and item power",
		2947	},
		2948	"c/shopitems" => {
		2949	id => "infobox",
		2950	title => "Shop Items",
		2951	reply => undef,
		2952	tooltip => "Shows the items currently for sale in this shop",
		2953	},
		2954	"c/resistances" => {
		2955	id => "infobox",
		2956	title => "Resistances",
		2957	reply => undef,
		2958	tooltip => "Shows your resistances",
		2959	},
		2960	"c/pets" => {
		2961	id => "infobox",
		2962	title => "Pets",
		2963	reply => undef,
		2964	tooltip => "Shows information abotu your pets/a specific pet",
		2965	},
		2966	"c/perceiveself" => {
		2967	id => "infobox",
		2968	title => "Perceive Self",
		2969	reply => undef,
		2970	tooltip => "You gained detailed knowledge about yourself",
		2971	},
		2972	"c/uptime" => {
		2973	id => "infobox",
		2974	title => "Uptime",
		2975	reply => undef,
		2976	tooltip => "How long the server has been running since last restart",
		2977	},
		2978	"c/mapinfo" => {
		2979	id => "infobox",
		2980	title => "Map Info",
		2981	reply => undef,
		2982	tooltip => "Information related to the maps",
		2983	},
		2984	"c/party" => {
		2985	id => "party",
		2986	title => "Party",
		2987	reply => "gsay ",
		2988	tooltip => "Messages and chat related to your party",
		2989	},
		2990	"c/death" => {
		2991	id => "death",
		2992	title => "Death",
		2993	reply => undef,
		2994	tooltip => "Reason for and more info about your most recent death",
		2995	},
		2996	"c/say" => $SAY_CHANNEL,
		2997	"c/chat" => $CHAT_CHANNEL,
		2998	);
		2999
		3000	sub cf::client::send_msg {
		3001	my ($self, $channel, $msg, $color, @extra) = @_;
		3002
		3003	$msg = $self->pl->expand_cfpod ($msg)
		3004	unless $color & cf::NDI_VERBATIM;
		3005
		3006	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3007
		3008	# check predefined channels, for the benefit of C
		3009	if ($CHANNEL{$channel}) {
		3010	$channel = $CHANNEL{$channel};
		3011
		3012	$self->ext_msg (channel_info => $channel);
		3013	$channel = $channel->{id};
		3014
		3015	} elsif (ref $channel) {
		3016	# send meta info to client, if not yet sent
		3017	unless (exists $self->{channel}{$channel->{id}}) {
		3018	$self->{channel}{$channel->{id}} = $channel;
		3019	$self->ext_msg (channel_info => $channel);
		3020	}
		3021
		3022	$channel = $channel->{id};
		3023	}
		3024
		3025	return unless @extra || length $msg;
		3026
		3027	# default colour, mask it out
		3028	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3029	if $color & cf::NDI_DEF;
		3030
		3031	my $pkt = "msg "
		3032	. $self->{json_coder}->encode (
		3033	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3034	);
		3035
		3036	$self->send_big_packet ($pkt);
		3037	}
		3038
		3039	=item $client->ext_msg ($type, @msg)
		3040
		3041	Sends an ext event to the client.
		3042
		3043	=cut
		3044
		3045	sub cf::client::ext_msg($$@) {
		3046	my ($self, $type, @msg) = @_;
		3047
		3048	if ($self->extcmd == 2) {
		3049	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3050	} elsif ($self->extcmd == 1) { # TODO: remove
		3051	push @msg, msgtype => "event_$type";
		3052	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3053	}
		3054	}
		3055
		3056	=item $client->ext_reply ($msgid, @msg)
		3057
		3058	Sends an ext reply to the client.
		3059
		3060	=cut
		3061
		3062	sub cf::client::ext_reply($$@) {
		3063	my ($self, $id, @msg) = @_;
		3064
		3065	if ($self->extcmd == 2) {
		3066	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3067	} elsif ($self->extcmd == 1) {
		3068	#TODO: version 1, remove
		3069	unshift @msg, msgtype => "reply", msgid => $id;
		3070	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3071	}
		3072	}
1990		3073
1991	=item $success = $client->query ($flags, "text", \&cb)	3074	=item $success = $client->query ($flags, "text", \&cb)
1992		3075
1993	Queues a query to the client, calling the given callback with	3076	Queues a query to the client, calling the given callback with
1994	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3077	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1995	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3078	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1996		3079
1997	Queries can fail, so check the return code. Or don't, as queries will become	3080	Queries can fail, so check the return code. Or don't, as queries will
1998	reliable at some point in the future.	3081	become reliable at some point in the future.
1999		3082
2000	=cut	3083	=cut
2001		3084
2002	sub cf::client::query {	3085	sub cf::client::query {
2003	my ($self, $flags, $text, $cb) = @_;	3086	my ($self, $flags, $text, $cb) = @_;
…		…
2011	utf8::encode $text;	3094	utf8::encode $text;
2012	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3095	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013		3096
2014	$self->send_packet ($self->{query_queue}[0][0])	3097	$self->send_packet ($self->{query_queue}[0][0])
2015	if @{ $self->{query_queue} } == 1;	3098	if @{ $self->{query_queue} } == 1;
		3099
		3100	1
2016	}	3101	}
2017		3102
2018	cf::client->attach (	3103	cf::client->attach (
		3104	on_connect => sub {
		3105	my ($ns) = @_;
		3106
		3107	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3108	},
2019	on_reply => sub {	3109	on_reply => sub {
2020	my ($ns, $msg) = @_;	3110	my ($ns, $msg) = @_;
2021		3111
2022	# this weird shuffling is so that direct followup queries	3112	# this weird shuffling is so that direct followup queries
2023	# get handled first	3113	# get handled first
…		…
2035	} else {	3125	} else {
2036	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3126	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037	}	3127	}
2038	}	3128	}
2039	},	3129	},
		3130	on_exticmd => sub {
		3131	my ($ns, $buf) = @_;
		3132
		3133	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3134
		3135	if (ref $msg) {
		3136	my ($type, $reply, @payload) =
		3137	"ARRAY" eq ref $msg
		3138	? @$msg
		3139	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3140
		3141	my @reply;
		3142
		3143	if (my $cb = $EXTICMD{$type}) {
		3144	@reply = $cb->($ns, @payload);
		3145	}
		3146
		3147	$ns->ext_reply ($reply, @reply)
		3148	if $reply;
		3149
		3150	} else {
		3151	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3152	}
		3153
		3154	cf::override;
		3155	},
2040	);	3156	);
2041		3157
2042	=item $client->async (\&cb)	3158	=item $client->async (\&cb)
2043		3159
2044	Create a new coroutine, running the specified callback. The coroutine will	3160	Create a new coroutine, running the specified callback. The coroutine will
…		…
2060		3176
2061	$coro	3177	$coro
2062	}	3178	}
2063		3179
2064	cf::client->attach (	3180	cf::client->attach (
2065	on_destroy => sub {	3181	on_client_destroy => sub {
2066	my ($ns) = @_;	3182	my ($ns) = @_;
2067		3183
2068	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3184	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2069	},	3185	},
2070	);	3186	);
…		…
2085	our $safe = new Safe "safe";	3201	our $safe = new Safe "safe";
2086	our $safe_hole = new Safe::Hole;	3202	our $safe_hole = new Safe::Hole;
2087		3203
2088	$SIG{FPE} = 'IGNORE';	3204	$SIG{FPE} = 'IGNORE';
2089		3205
2090	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3206	$safe->permit_only (Opcode::opset qw(
		3207	:base_core :base_mem :base_orig :base_math :base_loop
		3208	grepstart grepwhile mapstart mapwhile
		3209	sort time
		3210	));
2091		3211
2092	# here we export the classes and methods available to script code	3212	# here we export the classes and methods available to script code
2093		3213
2094	=pod	3214	=pod
2095		3215
2096	The following fucntions and emthods are available within a safe environment:	3216	The following functions and methods are available within a safe environment:
2097		3217
2098	cf::object contr pay_amount pay_player map	3218	cf::object
		3219	contr pay_amount pay_player map x y force_find force_add destroy
		3220	insert remove name archname title slaying race decrease split
		3221	value
		3222
2099	cf::object::player player	3223	cf::object::player
2100	cf::player peaceful	3224	player
2101	cf::map trigger	3225
		3226	cf::player
		3227	peaceful
		3228
		3229	cf::map
		3230	trigger
2102		3231
2103	=cut	3232	=cut
2104		3233
2105	for (	3234	for (
2106	["cf::object" => qw(contr pay_amount pay_player map)],	3235	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3236	insert remove inv nrof name archname title slaying race
		3237	decrease split destroy change_exp value msg lore send_msg)],
2107	["cf::object::player" => qw(player)],	3238	["cf::object::player" => qw(player)],
2108	["cf::player" => qw(peaceful)],	3239	["cf::player" => qw(peaceful send_msg)],
2109	["cf::map" => qw(trigger)],	3240	["cf::map" => qw(trigger)],
2110	) {	3241	) {
2111	no strict 'refs';	3242	no strict 'refs';
2112	my ($pkg, @funs) = @$_;	3243	my ($pkg, @funs) = @$_;
2113	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3244	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2131		3262
2132	my $qcode = $code;	3263	my $qcode = $code;
2133	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3264	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2134	$qcode =~ s/\n/\\n/g;	3265	$qcode =~ s/\n/\\n/g;
2135		3266
		3267	%vars = (_dummy => 0) unless %vars;
		3268
		3269	my @res;
2136	local $_;	3270	local $_;
2137	local @safe::cf::_safe_eval_args = values %vars;
2138		3271
2139	my $eval =	3272	my $eval =
2140	"do {\n"	3273	"do {\n"
2141	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3274	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2142	. "#line 0 \"{$qcode}\"\n"	3275	. "#line 0 \"{$qcode}\"\n"
2143	. $code	3276	. $code
2144	. "\n}"	3277	. "\n}"
2145	;	3278	;
2146		3279
		3280	if ($CFG{safe_eval}) {
2147	sub_generation_inc;	3281	sub_generation_inc;
		3282	local @safe::cf::_safe_eval_args = values %vars;
2148	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3283	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2149	sub_generation_inc;	3284	sub_generation_inc;
		3285	} else {
		3286	local @cf::_safe_eval_args = values %vars;
		3287	@res = wantarray ? eval eval : scalar eval $eval;
		3288	}
2150		3289
2151	if ($@) {	3290	if ($@) {
2152	warn "$@";	3291	warn "$@";
2153	warn "while executing safe code '$code'\n";	3292	warn "while executing safe code '$code'\n";
2154	warn "with arguments " . (join " ", %vars) . "\n";	3293	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2173	=cut	3312	=cut
2174		3313
2175	sub register_script_function {	3314	sub register_script_function {
2176	my ($fun, $cb) = @_;	3315	my ($fun, $cb) = @_;
2177		3316
2178	no strict 'refs';	3317	$fun = "safe::$fun" if $CFG{safe_eval};
2179	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3318	*$fun = $safe_hole->wrap ($cb);
2180	}	3319	}
2181		3320
2182	=back	3321	=back
2183		3322
2184	=cut	3323	=cut
2185
2186	#############################################################################
2187
2188	=head2 EXTENSION DATABASE SUPPORT
2189
2190	Crossfire maintains a very simple database for extension use. It can
2191	currently store anything that can be serialised using Storable, which
2192	excludes objects.
2193
2194	The parameter C<$family> should best start with the name of the extension
2195	using it, it should be unique.
2196
2197	=over 4
2198
2199	=item $value = cf::db_get $family => $key
2200
2201	Returns a single value from the database.
2202
2203	=item cf::db_put $family => $key => $value
2204
2205	Stores the given C<$value> in the family.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	sub db_init {
2212	unless ($DB) {
2213	$DB = BDB::db_create $DB_ENV;
2214
2215	cf::sync_job {
2216	eval {
2217	$DB->set_flags (BDB::CHKSUM);
2218
2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2221	cf::cleanup "db_open(db): $!" if $!;
2222	};
2223	cf::cleanup "db_open(db): $@" if $@;
2224	};
2225
2226	my $path = cf::localdir . "/database.pst";
2227	if (stat $path) {
2228	cf::sync_job {
2229	my $pst = Storable::retrieve $path;
2230
2231	cf::db_put (board => data => $pst->{board});
2232	cf::db_put (guildrules => data => $pst->{guildrules});
2233	cf::db_put (rent => balance => $pst->{rent}{balance});
2234	BDB::db_env_txn_checkpoint $DB_ENV;
2235
2236	unlink $path;
2237	};
2238	}
2239	}
2240	}
2241
2242	sub db_get($$) {
2243	my $key = "$_[0]/$_[1]";
2244
2245	cf::sync_job {
2246	BDB::db_get $DB, undef, $key, my $data;
2247
2248	$! ? ()
2249	: Compress::LZF::sthaw $data
2250	}
2251	}
2252
2253	sub db_put($$$) {
2254	BDB::dbreq_pri 4;
2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2256	}
2257		3324
2258	#############################################################################	3325	#############################################################################
2259	# the server's init and main functions	3326	# the server's init and main functions
2260		3327
		3328	sub load_facedata($) {
		3329	my ($path) = @_;
		3330
		3331	# HACK to clear player env face cache, we need some signal framework
		3332	# for this (global event?)
		3333	%ext::player_env::MUSIC_FACE_CACHE = ();
		3334
		3335	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3336
		3337	warn "loading facedata from $path\n";
		3338
		3339	my $facedata;
		3340	0 < aio_load $path, $facedata
		3341	or die "$path: $!";
		3342
		3343	$facedata = Coro::Storable::thaw $facedata;
		3344
		3345	$facedata->{version} == 2
		3346	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3347
		3348	# patch in the exptable
		3349	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3350	$facedata->{resource}{"res/exp_table"} = {
		3351	type => FT_RSRC,
		3352	data => $exp_table,
		3353	hash => (Digest::MD5::md5 $exp_table),
		3354	};
		3355	cf::cede_to_tick;
		3356
		3357	{
		3358	my $faces = $facedata->{faceinfo};
		3359
		3360	while (my ($face, $info) = each %$faces) {
		3361	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3362
		3363	cf::face::set_visibility $idx, $info->{visibility};
		3364	cf::face::set_magicmap $idx, $info->{magicmap};
		3365	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3366	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3367
		3368	cf::cede_to_tick;
		3369	}
		3370
		3371	while (my ($face, $info) = each %$faces) {
		3372	next unless $info->{smooth};
		3373
		3374	my $idx = cf::face::find $face
		3375	or next;
		3376
		3377	if (my $smooth = cf::face::find $info->{smooth}) {
		3378	cf::face::set_smooth $idx, $smooth;
		3379	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3380	} else {
		3381	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3382	}
		3383
		3384	cf::cede_to_tick;
		3385	}
		3386	}
		3387
		3388	{
		3389	my $anims = $facedata->{animinfo};
		3390
		3391	while (my ($anim, $info) = each %$anims) {
		3392	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3393	cf::cede_to_tick;
		3394	}
		3395
		3396	cf::anim::invalidate_all; # d'oh
		3397	}
		3398
		3399	{
		3400	my $res = $facedata->{resource};
		3401
		3402	while (my ($name, $info) = each %$res) {
		3403	if (defined $info->{type}) {
		3404	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3405
		3406	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3407	cf::face::set_type $idx, $info->{type};
		3408	} else {
		3409	$RESOURCE{$name} = $info;
		3410	}
		3411
		3412	cf::cede_to_tick;
		3413	}
		3414	}
		3415
		3416	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3417
		3418	1
		3419	}
		3420
		3421	cf::global->attach (on_resource_update => sub {
		3422	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3423	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3424
		3425	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3426	my $sound = $soundconf->{compat}[$_]
		3427	or next;
		3428
		3429	my $face = cf::face::find "sound/$sound->[1]";
		3430	cf::sound::set $sound->[0] => $face;
		3431	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3432	}
		3433
		3434	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3435	my $face = cf::face::find "sound/$v";
		3436	cf::sound::set $k => $face;
		3437	}
		3438	}
		3439	});
		3440
		3441	register_exticmd fx_want => sub {
		3442	my ($ns, $want) = @_;
		3443
		3444	while (my ($k, $v) = each %$want) {
		3445	$ns->fx_want ($k, $v);
		3446	}
		3447	};
		3448
2261	sub load_resources {	3449	sub load_resource_file($) {
2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3450	my $guard = lock_acquire "load_resource_file";
		3451
		3452	my $status = load_resource_file_ $_[0];
		3453	get_slot 0.1, 100;
		3454	cf::arch::commit_load;
		3455
		3456	$status
		3457	}
		3458
		3459	sub reload_regions {
		3460	# HACK to clear player env face cache, we need some signal framework
		3461	# for this (global event?)
		3462	%ext::player_env::MUSIC_FACE_CACHE = ();
		3463
		3464	load_resource_file "$MAPDIR/regions"
2263	or die "unable to load regions file\n";#d#	3465	or die "unable to load regions file\n";
2264	}
2265		3466
2266	sub cfg_load {	3467	for (cf::region::list) {
		3468	$_->{match} = qr/$_->{match}/
		3469	if exists $_->{match};
		3470	}
		3471	}
		3472
		3473	sub reload_facedata {
		3474	load_facedata "$DATADIR/facedata"
		3475	or die "unable to load facedata\n";
		3476	}
		3477
		3478	sub reload_archetypes {
		3479	load_resource_file "$DATADIR/archetypes"
		3480	or die "unable to load archetypes\n";
		3481	}
		3482
		3483	sub reload_treasures {
		3484	load_resource_file "$DATADIR/treasures"
		3485	or die "unable to load treasurelists\n";
		3486	}
		3487
		3488	sub reload_resources {
		3489	warn "reloading resource files...\n";
		3490
		3491	reload_facedata;
		3492	reload_archetypes;
		3493	reload_regions;
		3494	reload_treasures;
		3495
		3496	warn "finished reloading resource files\n";
		3497	}
		3498
		3499	sub reload_config {
		3500	warn "reloading config file...\n";
		3501
2267	open my $fh, "<:utf8", cf::confdir . "/config"	3502	open my $fh, "<:utf8", "$CONFDIR/config"
2268	or return;	3503	or return;
2269		3504
2270	local $/;	3505	local $/;
2271	*CFG = YAML::Syck::Load <$fh>;	3506	*CFG = YAML::XS::Load scalar <$fh>;
2272		3507
2273	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3508	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2274		3509
2275	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3510	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2276	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3511	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2280	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3515	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2281	and die "WARNING: m(un)lockall failed: $!\n";	3516	and die "WARNING: m(un)lockall failed: $!\n";
2282	};	3517	};
2283	warn $@ if $@;	3518	warn $@ if $@;
2284	}	3519	}
2285	}
2286		3520
2287	sub init {	3521	warn "finished reloading resource files\n";
2288	load_resources;	3522	}
		3523
		3524	sub pidfile() {
		3525	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3526	or die "$PIDFILE: $!";
		3527	flock $fh, &Fcntl::LOCK_EX
		3528	or die "$PIDFILE: flock: $!";
		3529	$fh
		3530	}
		3531
		3532	# make sure only one server instance is running at any one time
		3533	sub atomic {
		3534	my $fh = pidfile;
		3535
		3536	my $pid = <$fh>;
		3537	kill 9, $pid if $pid > 0;
		3538
		3539	seek $fh, 0, 0;
		3540	print $fh $$;
		3541	}
		3542
		3543	sub main_loop {
		3544	warn "EV::loop starting\n";
		3545	if (1) {
		3546	EV::loop;
		3547	}
		3548	warn "EV::loop returned\n";
		3549	goto &main_loop unless $REALLY_UNLOOP;
2289	}	3550	}
2290		3551
2291	sub main {	3552	sub main {
		3553	cf::init_globals; # initialise logging
		3554
		3555	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3556	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3557	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3558	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3559
		3560	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3561
2292	# we must not ever block the main coroutine	3562	# we must not ever block the main coroutine
2293	local $Coro::idle = sub {	3563	local $Coro::idle = sub {
2294	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3564	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2295	(async {	3565	(async {
2296	Event::one_event;	3566	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3567	EV::loop EV::LOOP_ONESHOT;
2297	})->prio (Coro::PRIO_MAX);	3568	})->prio (Coro::PRIO_MAX);
2298	};	3569	};
2299		3570
2300	cfg_load;	3571	evthread_start IO::AIO::poll_fileno;
		3572
		3573	cf::sync_job {
		3574	cf::init_experience;
		3575	cf::init_anim;
		3576	cf::init_attackmess;
		3577	cf::init_dynamic;
		3578
		3579	cf::load_settings;
		3580	cf::load_materials;
		3581
		3582	reload_resources;
		3583	reload_config;
2301	db_init;	3584	db_init;
		3585
		3586	cf::init_uuid;
		3587	cf::init_signals;
		3588	cf::init_skills;
		3589
		3590	cf::init_beforeplay;
		3591
		3592	atomic;
		3593
2302	load_extensions;	3594	load_extensions;
2303		3595
2304	$TICK_WATCHER->start;	3596	utime time, time, $RUNTIMEFILE;
2305	$WRITE_RUNTIME_WATCHER->start;	3597
2306	Event::loop;	3598	# no (long-running) fork's whatsoever before this point(!)
		3599	use POSIX ();
		3600	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3601
		3602	(pop @POST_INIT)->(0) while @POST_INIT;
		3603	};
		3604
		3605	cf::object::thawer::errors_are_fatal 0;
		3606	warn "parse errors in files are no longer fatal from this point on.\n";
		3607
		3608	main_loop;
2307	}	3609	}
2308		3610
2309	#############################################################################	3611	#############################################################################
2310	# initialisation and cleanup	3612	# initialisation and cleanup
2311		3613
2312	# install some emergency cleanup handlers	3614	# install some emergency cleanup handlers
2313	BEGIN {	3615	BEGIN {
		3616	our %SIGWATCHER = ();
2314	for my $signal (qw(INT HUP TERM)) {	3617	for my $signal (qw(INT HUP TERM)) {
2315	Event->signal (	3618	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2316	reentrant => 0,
2317	data => WF_AUTOCANCEL,
2318	signal => $signal,
2319	prio => 0,
2320	cb => sub {
2321	cf::cleanup "SIG$signal";	3619	cf::cleanup "SIG$signal";
2322	},
2323	);	3620	};
		3621	}
		3622	}
		3623
		3624	sub write_runtime_sync {
		3625	my $t0 = AE::time;
		3626
		3627	# first touch the runtime file to show we are still running:
		3628	# the fsync below can take a very very long time.
		3629
		3630	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3631
		3632	my $guard = cf::lock_acquire "write_runtime";
		3633
		3634	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3635	or return;
		3636
		3637	my $value = $cf::RUNTIME + 90 + 10;
		3638	# 10 is the runtime save interval, for a monotonic clock
		3639	# 60 allows for the watchdog to kill the server.
		3640
		3641	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3642	and return;
		3643
		3644	# always fsync - this file is important
		3645	aio_fsync $fh
		3646	and return;
		3647
		3648	# touch it again to show we are up-to-date
		3649	aio_utime $fh, undef, undef;
		3650
		3651	close $fh
		3652	or return;
		3653
		3654	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3655	and return;
		3656
		3657	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3658
2324	}	3659	1
		3660	}
		3661
		3662	our $uuid_lock;
		3663	our $uuid_skip;
		3664
		3665	sub write_uuid_sync($) {
		3666	$uuid_skip ||= $_[0];
		3667
		3668	return if $uuid_lock;
		3669	local $uuid_lock = 1;
		3670
		3671	my $uuid = "$LOCALDIR/uuid";
		3672
		3673	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3674	or return;
		3675
		3676	my $value = uuid_seq uuid_cur;
		3677
		3678	unless ($value) {
		3679	warn "cowardly refusing to write zero uuid value!\n";
		3680	return;
		3681	}
		3682
		3683	my $value = uuid_str $value + $uuid_skip;
		3684	$uuid_skip = 0;
		3685
		3686	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3687	and return;
		3688
		3689	# always fsync - this file is important
		3690	aio_fsync $fh
		3691	and return;
		3692
		3693	close $fh
		3694	or return;
		3695
		3696	aio_rename "$uuid~", $uuid
		3697	and return;
		3698
		3699	warn "uuid file written ($value).\n";
		3700
		3701	1
		3702
		3703	}
		3704
		3705	sub write_uuid($$) {
		3706	my ($skip, $sync) = @_;
		3707
		3708	$sync ? write_uuid_sync $skip
		3709	: async { write_uuid_sync $skip };
2325	}	3710	}
2326		3711
2327	sub emergency_save() {	3712	sub emergency_save() {
2328	my $freeze_guard = cf::freeze_mainloop;	3713	my $freeze_guard = cf::freeze_mainloop;
2329		3714
2330	warn "enter emergency perl save\n";	3715	warn "emergency_perl_save: enter\n";
2331		3716
2332	cf::sync_job {	3717	cf::sync_job {
		3718	# this is a trade-off: we want to be very quick here, so
		3719	# save all maps without fsync, and later call a global sync
		3720	# (which in turn might be very very slow)
		3721	local $USE_FSYNC = 0;
		3722
2333	# use a peculiar iteration method to avoid tripping on perl	3723	# use a peculiar iteration method to avoid tripping on perl
2334	# refcount bugs in for. also avoids problems with players	3724	# refcount bugs in for. also avoids problems with players
2335	# and maps saved/destroyed asynchronously.	3725	# and maps saved/destroyed asynchronously.
2336	warn "begin emergency player save\n";	3726	warn "emergency_perl_save: begin player save\n";
2337	for my $login (keys %cf::PLAYER) {	3727	for my $login (keys %cf::PLAYER) {
2338	my $pl = $cf::PLAYER{$login} or next;	3728	my $pl = $cf::PLAYER{$login} or next;
2339	$pl->valid or next;	3729	$pl->valid or next;
		3730	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2340	$pl->save;	3731	$pl->save;
2341	}	3732	}
2342	warn "end emergency player save\n";	3733	warn "emergency_perl_save: end player save\n";
2343		3734
2344	warn "begin emergency map save\n";	3735	warn "emergency_perl_save: begin map save\n";
2345	for my $path (keys %cf::MAP) {	3736	for my $path (keys %cf::MAP) {
2346	my $map = $cf::MAP{$path} or next;	3737	my $map = $cf::MAP{$path} or next;
2347	$map->valid or next;	3738	$map->valid or next;
2348	$map->save;	3739	$map->save;
2349	}	3740	}
2350	warn "end emergency map save\n";	3741	warn "emergency_perl_save: end map save\n";
2351		3742
2352	warn "begin emergency database checkpoint\n";	3743	warn "emergency_perl_save: begin database checkpoint\n";
2353	BDB::db_env_txn_checkpoint $DB_ENV;	3744	BDB::db_env_txn_checkpoint $DB_ENV;
2354	warn "end emergency database checkpoint\n";	3745	warn "emergency_perl_save: end database checkpoint\n";
		3746
		3747	warn "emergency_perl_save: begin write uuid\n";
		3748	write_uuid_sync 1;
		3749	warn "emergency_perl_save: end write uuid\n";
2355	};	3750	};
2356		3751
		3752	warn "emergency_perl_save: starting sync()\n";
		3753	IO::AIO::aio_sync sub {
		3754	warn "emergency_perl_save: finished sync()\n";
		3755	};
		3756
2357	warn "leave emergency perl save\n";	3757	warn "emergency_perl_save: leave\n";
2358	}	3758	}
2359		3759
2360	sub post_cleanup {	3760	sub post_cleanup {
2361	my ($make_core) = @_;	3761	my ($make_core) = @_;
2362		3762
2363	warn Carp::longmess "post_cleanup backtrace"	3763	warn Carp::longmess "post_cleanup backtrace"
2364	if $make_core;	3764	if $make_core;
2365	}
2366		3765
		3766	my $fh = pidfile;
		3767	unlink $PIDFILE if <$fh> == $$;
		3768	}
		3769
		3770	# a safer delete_package, copied from Symbol
		3771	sub clear_package($) {
		3772	my $pkg = shift;
		3773
		3774	# expand to full symbol table name if needed
		3775	unless ($pkg =~ /^main::.*::$/) {
		3776	$pkg = "main$pkg" if $pkg =~ /^::/;
		3777	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3778	$pkg .= '::' unless $pkg =~ /::$/;
		3779	}
		3780
		3781	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3782	my $stem_symtab = *{$stem}{HASH};
		3783
		3784	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3785	or return;
		3786
		3787	# clear all symbols
		3788	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3789	for my $name (keys %$leaf_symtab) {
		3790	_gv_clear *{"$pkg$name"};
		3791	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3792	}
		3793	}
		3794
2367	sub reload() {	3795	sub do_reload_perl() {
2368	# can/must only be called in main	3796	# can/must only be called in main
2369	if ($Coro::current != $Coro::main) {	3797	if ($Coro::current != $Coro::main) {
2370	warn "can only reload from main coroutine";	3798	warn "can only reload from main coroutine";
2371	return;	3799	return;
2372	}	3800	}
2373		3801
		3802	return if $RELOAD++;
		3803
		3804	my $t1 = AE::time;
		3805
		3806	while ($RELOAD) {
2374	warn "reloading...";	3807	warn "reloading...";
2375		3808
2376	warn "entering sync_job";	3809	warn "entering sync_job";
2377		3810
2378	cf::sync_job {	3811	cf::sync_job {
2379	cf::write_runtime;	3812	cf::write_runtime_sync; # external watchdog should not bark
2380	cf::emergency_save;	3813	cf::emergency_save;
2381	cf::write_runtime;	3814	cf::write_runtime_sync; # external watchdog should not bark
2382		3815
2383	warn "syncing database to disk";	3816	warn "syncing database to disk";
2384	BDB::db_env_txn_checkpoint $DB_ENV;	3817	BDB::db_env_txn_checkpoint $DB_ENV;
2385		3818
2386	# if anything goes wrong in here, we should simply crash as we already saved	3819	# if anything goes wrong in here, we should simply crash as we already saved
2387		3820
2388	warn "cancelling all WF_AUTOCANCEL watchers";
2389	for (Event::all_watchers) {
2390	$_->cancel if $_->data & WF_AUTOCANCEL;
2391	}
2392
2393	warn "flushing outstanding aio requests";	3821	warn "flushing outstanding aio requests";
2394	for (;;) {
2395	BDB::flush;
2396	IO::AIO::flush;
2397	Coro::cede;
2398	last unless IO::AIO::nreqs || BDB::nreqs;	3822	while (IO::AIO::nreqs || BDB::nreqs) {
2399	warn "iterate...";	3823	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2400	}
2401
2402	warn "cancelling all extension coros";
2403	$_->cancel for values %EXT_CORO;
2404	%EXT_CORO = ();
2405
2406	warn "removing commands";
2407	%COMMAND = ();
2408
2409	warn "removing ext commands";
2410	%EXTCMD = ();
2411
2412	warn "unloading/nuking all extensions";
2413	for my $pkg (@EXTS) {
2414	warn "... unloading $pkg";
2415
2416	if (my $cb = $pkg->can ("unload")) {
2417	eval {
2418	$cb->($pkg);
2419	1
2420	} or warn "$pkg unloaded, but with errors: $@";
2421	}	3824	}
2422		3825
2423	warn "... nuking $pkg";	3826	warn "cancelling all extension coros";
2424	Symbol::delete_package $pkg;	3827	$_->cancel for values %EXT_CORO;
2425	}	3828	%EXT_CORO = ();
2426		3829
2427	warn "unloading all perl modules loaded from $LIBDIR";	3830	warn "removing commands";
2428	while (my ($k, $v) = each %INC) {	3831	%COMMAND = ();
2429	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2430		3832
		3833	warn "removing ext/exti commands";
		3834	%EXTCMD = ();
		3835	%EXTICMD = ();
		3836
		3837	warn "unloading/nuking all extensions";
		3838	for my $pkg (@EXTS) {
2431	warn "... unloading $k";	3839	warn "... unloading $pkg";
2432	delete $INC{$k};
2433		3840
2434	$k =~ s/\.pm$//;
2435	$k =~ s/\//::/g;
2436
2437	if (my $cb = $k->can ("unload_module")) {	3841	if (my $cb = $pkg->can ("unload")) {
		3842	eval {
2438	$cb->();	3843	$cb->($pkg);
		3844	1
		3845	} or warn "$pkg unloaded, but with errors: $@";
		3846	}
		3847
		3848	warn "... clearing $pkg";
		3849	clear_package $pkg;
2439	}	3850	}
2440		3851
2441	Symbol::delete_package $k;	3852	warn "unloading all perl modules loaded from $LIBDIR";
		3853	while (my ($k, $v) = each %INC) {
		3854	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3855
		3856	warn "... unloading $k";
		3857	delete $INC{$k};
		3858
		3859	$k =~ s/\.pm$//;
		3860	$k =~ s/\//::/g;
		3861
		3862	if (my $cb = $k->can ("unload_module")) {
		3863	$cb->();
		3864	}
		3865
		3866	clear_package $k;
2442	}	3867	}
2443		3868
2444	warn "getting rid of safe::, as good as possible";	3869	warn "getting rid of safe::, as good as possible";
2445	Symbol::delete_package "safe::$_"	3870	clear_package "safe::$_"
2446	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3871	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2447		3872
2448	warn "unloading cf.pm \"a bit\"";	3873	warn "unloading cf.pm \"a bit\"";
2449	delete $INC{"cf.pm"};	3874	delete $INC{"cf.pm"};
		3875	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2450		3876
2451	# don't, removes xs symbols, too,	3877	# don't, removes xs symbols, too,
2452	# and global variables created in xs	3878	# and global variables created in xs
2453	#Symbol::delete_package __PACKAGE__;	3879	#clear_package __PACKAGE__;
2454		3880
2455	warn "unload completed, starting to reload now";	3881	warn "unload completed, starting to reload now";
2456		3882
2457	warn "reloading cf.pm";	3883	warn "reloading cf.pm";
2458	require cf;	3884	require cf;
2459	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3885	cf::_connect_to_perl_1;
2460		3886
2461	warn "loading config and database again";	3887	warn "loading config and database again";
2462	cf::cfg_load;	3888	cf::reload_config;
2463		3889
2464	warn "loading extensions";	3890	warn "loading extensions";
2465	cf::load_extensions;	3891	cf::load_extensions;
2466		3892
		3893	if ($REATTACH_ON_RELOAD) {
2467	warn "reattaching attachments to objects/players";	3894	warn "reattaching attachments to objects/players";
2468	_global_reattach;	3895	_global_reattach; # objects, sockets
2469	warn "reattaching attachments to maps";	3896	warn "reattaching attachments to maps";
2470	reattach $_ for values %MAP;	3897	reattach $_ for values %MAP;
		3898	warn "reattaching attachments to players";
		3899	reattach $_ for values %PLAYER;
		3900	}
2471		3901
2472	warn "loading reloadable resources";	3902	warn "running post_init jobs";
2473	load_resources;	3903	(pop @POST_INIT)->(1) while @POST_INIT;
2474		3904
2475	warn "leaving sync_job";	3905	warn "leaving sync_job";
2476		3906
2477	1	3907	1
2478	} or do {	3908	} or do {
2479	warn $@;	3909	warn $@;
2480	warn "error while reloading, exiting.";	3910	cf::cleanup "error while reloading, exiting.";
2481	exit 1;	3911	};
		3912
		3913	warn "reloaded";
		3914	--$RELOAD;
		3915	}
		3916
		3917	$t1 = AE::time - $t1;
		3918	warn "reload completed in ${t1}s\n";
		3919	};
		3920
		3921	our $RELOAD_WATCHER; # used only during reload
		3922
		3923	sub reload_perl() {
		3924	# doing reload synchronously and two reloads happen back-to-back,
		3925	# coro crashes during coro_state_free->destroy here.
		3926
		3927	$RELOAD_WATCHER ||= cf::async {
		3928	Coro::AIO::aio_wait cache_extensions;
		3929
		3930	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3931	do_reload_perl;
		3932	undef $RELOAD_WATCHER;
		3933	};
2482	};	3934	};
2483		3935	}
2484	warn "reloaded";
2485	};
2486
2487	our $RELOAD_WATCHER; # used only during reload
2488		3936
2489	register_command "reload" => sub {	3937	register_command "reload" => sub {
2490	my ($who, $arg) = @_;	3938	my ($who, $arg) = @_;
2491		3939
2492	if ($who->flag (FLAG_WIZ)) {	3940	if ($who->flag (FLAG_WIZ)) {
2493	$who->message ("reloading server.");	3941	$who->message ("reloading server.");
2494		3942	async {
2495	# doing reload synchronously and two reloads happen back-to-back,	3943	$Coro::current->{desc} = "perl_reload";
2496	# coro crashes during coro_state_free->destroy here.
2497
2498	$RELOAD_WATCHER ||= Event->timer (
2499	reentrant => 0,
2500	after => 0,
2501	data => WF_AUTOCANCEL,
2502	cb => sub {
2503	reload;	3944	reload_perl;
2504	undef $RELOAD_WATCHER;
2505	},
2506	);	3945	};
2507	}	3946	}
2508	};	3947	};
2509		3948
2510	unshift @INC, $LIBDIR;	3949	unshift @INC, $LIBDIR;
2511		3950
2512	my $bug_warning = 0;	3951	my $bug_warning = 0;
2513		3952
2514	$TICK_WATCHER = Event->timer (	3953	our @WAIT_FOR_TICK;
2515	reentrant => 0,	3954	our @WAIT_FOR_TICK_BEGIN;
2516	parked => 1,	3955
2517	prio => 0,	3956	sub wait_for_tick {
2518	at => $NEXT_TICK || $TICK,	3957	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2519	data => WF_AUTOCANCEL,	3958
2520	cb => sub {	3959	my $signal = new Coro::Signal;
		3960	push @WAIT_FOR_TICK, $signal;
		3961	$signal->wait;
		3962	}
		3963
		3964	sub wait_for_tick_begin {
		3965	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3966
		3967	my $signal = new Coro::Signal;
		3968	push @WAIT_FOR_TICK_BEGIN, $signal;
		3969	$signal->wait;
		3970	}
		3971
		3972	sub tick {
2521	if ($Coro::current != $Coro::main) {	3973	if ($Coro::current != $Coro::main) {
2522	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3974	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2523	unless ++$bug_warning > 10;	3975	unless ++$bug_warning > 10;
2524	return;	3976	return;
2525	}	3977	}
2526		3978
2527	$NOW = Event::time;
2528
2529	cf::server_tick; # one server iteration	3979	cf::server_tick; # one server iteration
2530	$RUNTIME += $TICK;
2531	$NEXT_TICK += $TICK;
2532		3980
2533	$WAIT_FOR_TICK->broadcast;	3981	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2534	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2535		3982
2536	# my $AFTER = Event::time;	3983	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2537	# warn $AFTER - $NOW;#d#	3984	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2538		3985	Coro::async_pool {
2539	# if we are delayed by four ticks or more, skip them all	3986	$Coro::current->{desc} = "runtime saver";
2540	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3987	write_runtime_sync
2541		3988	or warn "ERROR: unable to write runtime file: $!";
2542	$TICK_WATCHER->at ($NEXT_TICK);	3989	};
2543	$TICK_WATCHER->start;
2544	},	3990	}
2545	);	3991
		3992	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3993	$sig->send;
		3994	}
		3995	while (my $sig = shift @WAIT_FOR_TICK) {
		3996	$sig->send;
		3997	}
		3998
		3999	$LOAD = ($NOW - $TICK_START) / $TICK;
		4000	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4001
		4002	if (0) {
		4003	if ($NEXT_TICK) {
		4004	my $jitter = $TICK_START - $NEXT_TICK;
		4005	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4006	warn "jitter $JITTER\n";#d#
		4007	}
		4008	}
		4009	}
2546		4010
2547	{	4011	{
2548	BDB::max_poll_time $TICK * 0.1;	4012	# configure BDB
2549	$BDB_POLL_WATCHER = Event->io (	4013
2550	reentrant => 0,
2551	fd => BDB::poll_fileno,
2552	poll => 'r',
2553	prio => 0,
2554	data => WF_AUTOCANCEL,
2555	cb => \&BDB::poll_cb,
2556	);
2557	BDB::min_parallel 8;	4014	BDB::min_parallel 16;
2558		4015	BDB::max_poll_reqs $TICK * 0.1;
2559	BDB::set_sync_prepare {	4016	$AnyEvent::BDB::WATCHER->priority (1);
2560	my $status;
2561	my $current = $Coro::current;
2562	(
2563	sub {
2564	$status = $!;
2565	$current->ready; undef $current;
2566	},
2567	sub {
2568	Coro::schedule while defined $current;
2569	$! = $status;
2570	},
2571	)
2572	};
2573		4017
2574	unless ($DB_ENV) {	4018	unless ($DB_ENV) {
2575	$DB_ENV = BDB::db_env_create;	4019	$DB_ENV = BDB::db_env_create;
		4020	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4021	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4022	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4023	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4024	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2576		4025
2577	cf::sync_job {	4026	cf::sync_job {
2578	eval {	4027	eval {
2579	BDB::db_env_open	4028	BDB::db_env_open
2580	$DB_ENV,	4029	$DB_ENV,
2581	$BDB_ENV_DIR,	4030	$BDBDIR,
2582	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4031	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2583	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4032	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2584	0666;	4033	0666;
2585		4034
2586	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4035	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2587
2588	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2589	$DB_ENV->set_lk_detect;
2590	};	4036	};
2591		4037
2592	cf::cleanup "db_env_open(db): $@" if $@;	4038	cf::cleanup "db_env_open(db): $@" if $@;
2593	};	4039	};
2594	}	4040	}
		4041
		4042	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4043	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4044	};
		4045	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4046	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4047	};
		4048	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4049	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4050	};
2595	}	4051	}
2596		4052
2597	{	4053	{
		4054	# configure IO::AIO
		4055
2598	IO::AIO::min_parallel 8;	4056	IO::AIO::min_parallel 8;
2599
2600	undef $Coro::AIO::WATCHER;
2601	IO::AIO::max_poll_time $TICK * 0.1;	4057	IO::AIO::max_poll_time $TICK * 0.1;
2602	$AIO_POLL_WATCHER = Event->io (	4058	undef $AnyEvent::AIO::WATCHER;
2603	reentrant => 0,
2604	fd => IO::AIO::poll_fileno,
2605	poll => 'r',
2606	prio => 6,
2607	data => WF_AUTOCANCEL,
2608	cb => \&IO::AIO::poll_cb,
2609	);
2610	}	4059	}
2611		4060
2612	$WRITE_RUNTIME_WATCHER = Event->timer (	4061	my $_log_backtrace;
2613	reentrant => 0,
2614	data => WF_AUTOCANCEL,
2615	parked => 1,
2616	after => 1,
2617	interval => 10,
2618	prio => 6, # keep it lowest so it acts like a watchdog
2619	cb => sub {
2620	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
2621		4062
2622	Coro::async_pool {	4063	sub _log_backtrace {
2623	write_runtime	4064	my ($msg, @addr) = @_;
2624	or warn "ERROR: unable to write runtime file: $!";	4065
		4066	$msg =~ s/\n//;
		4067
		4068	# limit the # of concurrent backtraces
		4069	if ($_log_backtrace < 2) {
		4070	++$_log_backtrace;
		4071	my $perl_bt = Carp::longmess $msg;
		4072	async {
		4073	$Coro::current->{desc} = "abt $msg";
		4074
		4075	my @bt = fork_call {
		4076	@addr = map { sprintf "%x", $_ } @addr;
		4077	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4078	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4079	or die "addr2line: $!";
		4080
		4081	my @funcs;
		4082	my @res = <$fh>;
		4083	chomp for @res;
		4084	while (@res) {
		4085	my ($func, $line) = splice @res, 0, 2, ();
		4086	push @funcs, "[$func] $line";
		4087	}
		4088
		4089	@funcs
		4090	};
		4091
		4092	LOG llevInfo, "[ABT] $perl_bt\n";
		4093	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4094	LOG llevInfo, "[ABT] $_\n" for @bt;
		4095	--$_log_backtrace;
2625	};	4096	};
		4097	} else {
		4098	LOG llevInfo, "[ABT] $msg\n";
		4099	LOG llevInfo, "[ABT] [suppressed]\n";
2626	},	4100	}
2627	);	4101	}
		4102
		4103	# load additional modules
		4104	require "cf/$_.pm" for @EXTRA_MODULES;
		4105	cf::_connect_to_perl_2;
2628		4106
2629	END { cf::emergency_save }	4107	END { cf::emergency_save }
2630		4108
2631	1	4109	1
2632		4110

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