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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 1.520 by root, Fri Apr 16 02:37:50 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	} else {
		1442	$done{$k} = delete $todo{$k};
		1443	push @EXTS, $v->{pkg};
		1444	$progress = 1;
		1445
		1446	warn "$v->{base}: extension inactive.\n"
		1447	unless $active;
		1448	}
936	1	1449	}
937	} or warn "$ext not loaded: $@";	1450
		1451	unless ($progress) {
		1452	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1453
		1454	while (my ($k, $v) = each %todo) {
		1455	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1456	if exists $v->{meta}{mandatory};
		1457	}
		1458	}
		1459	}
938	}	1460	};
939	}	1461	}
940		1462
941	#############################################################################	1463	#############################################################################
942		1464
		1465	=back
		1466
943	=head2 CORE EXTENSIONS	1467	=head2 CORE EXTENSIONS
944		1468
945	Functions and methods that extend core crossfire objects.	1469	Functions and methods that extend core deliantra objects.
946		1470
947	=cut	1471	=cut
948		1472
949	package cf::player;	1473	package cf::player;
950		1474
…		…
952		1476
953	=head3 cf::player	1477	=head3 cf::player
954		1478
955	=over 4	1479	=over 4
956		1480
		1481	=item cf::player::num_playing
		1482
		1483	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1484
		1485	=cut
		1486
		1487	sub num_playing {
		1488	scalar grep
		1489	$_->ob->map
		1490	&& !$_->hidden
		1491	&& !$_->ob->flag (cf::FLAG_WIZ),
		1492	cf::player::list
		1493	}
		1494
957	=item cf::player::find $login	1495	=item cf::player::find $login
958		1496
959	Returns the given player object, loading it if necessary (might block).	1497	Returns the given player object, loading it if necessary (might block).
960		1498
961	=cut	1499	=cut
962		1500
963	sub playerdir($) {	1501	sub playerdir($) {
964	cf::localdir	1502	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1503	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1504	}
970		1505
971	sub path($) {	1506	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1507	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1508
974	(playerdir $login) . "/$login.pl"	1509	(playerdir $login) . "/playerdata"
975	}	1510	}
976		1511
977	sub find_active($) {	1512	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1513	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1514	and $cf::PLAYER{$_[0]}->active
…		…
982		1517
983	sub exists($) {	1518	sub exists($) {
984	my ($login) = @_;	1519	my ($login) = @_;
985		1520
986	$cf::PLAYER{$login}	1521	$cf::PLAYER{$login}
987	or cf::sync_job { !aio_stat path $login }	1522	or !aio_stat path $login
988	}	1523	}
989		1524
990	sub find($) {	1525	sub find($) {
991	return $cf::PLAYER{$_[0]} || do {	1526	return $cf::PLAYER{$_[0]} || do {
992	my $login = $_[0];	1527	my $login = $_[0];
993		1528
994	my $guard = cf::lock_acquire "user_find:$login";	1529	my $guard = cf::lock_acquire "user_find:$login";
995		1530
996	$cf::PLAYER{$_[0]} || do {	1531	$cf::PLAYER{$_[0]} || do {
997	my $pl = load_pl path $login	1532	# rename old playerfiles to new ones
		1533	#TODO: remove when no longer required
		1534	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1535	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1536	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1537	aio_unlink +(playerdir $login) . "/$login.pl";
		1538
		1539	my $f = new_from_file cf::object::thawer path $login
998	or return;	1540	or return;
		1541
		1542	my $pl = cf::player::load_pl $f
		1543	or return;
		1544
		1545	local $cf::PLAYER_LOADING{$login} = $pl;
		1546	$f->resolve_delayed_derefs;
999	$cf::PLAYER{$login} = $pl	1547	$cf::PLAYER{$login} = $pl
1000	}	1548	}
1001	}	1549	}
1002	}	1550	}
		1551
		1552	cf::player->attach (
		1553	on_load => sub {
		1554	my ($pl, $path) = @_;
		1555
		1556	# restore slots saved in save, below
		1557	my $slots = delete $pl->{_slots};
		1558
		1559	$pl->ob->current_weapon ($slots->[0]);
		1560	$pl->combat_ob ($slots->[1]);
		1561	$pl->ranged_ob ($slots->[2]);
		1562	},
		1563	);
1003		1564
1004	sub save($) {	1565	sub save($) {
1005	my ($pl) = @_;	1566	my ($pl) = @_;
1006		1567
1007	return if $pl->{deny_save};	1568	return if $pl->{deny_save};
…		…
1012	return if $pl->{deny_save};	1573	return if $pl->{deny_save};
1013		1574
1014	aio_mkdir playerdir $pl, 0770;	1575	aio_mkdir playerdir $pl, 0770;
1015	$pl->{last_save} = $cf::RUNTIME;	1576	$pl->{last_save} = $cf::RUNTIME;
1016		1577
		1578	cf::get_slot 0.01;
		1579
		1580	# save slots, to be restored later
		1581	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1582
1017	$pl->save_pl ($path);	1583	$pl->save_pl ($path);
1018	Coro::cede;	1584	cf::cede_to_tick;
1019	}	1585	}
1020		1586
1021	sub new($) {	1587	sub new($) {
1022	my ($login) = @_;	1588	my ($login) = @_;
1023		1589
…		…
1029	$cf::PLAYER{$login} = $self;	1595	$cf::PLAYER{$login} = $self;
1030		1596
1031	$self	1597	$self
1032	}	1598	}
1033		1599
		1600	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1601
		1602	=cut
		1603
		1604	sub send_msg {
		1605	my $ns = shift->ns
		1606	or return;
		1607	$ns->send_msg (@_);
		1608	}
		1609
1034	=item $pl->quit_character	1610	=item $pl->quit_character
1035		1611
1036	Nukes the player without looking back. If logged in, the connection will	1612	Nukes the player without looking back. If logged in, the connection will
1037	be destroyed. May block for a long time.	1613	be destroyed. May block for a long time.
1038		1614
1039	=cut	1615	=cut
1040		1616
1041	sub quit_character {	1617	sub quit_character {
1042	my ($pl) = @_;	1618	my ($pl) = @_;
1043		1619
		1620	my $name = $pl->ob->name;
		1621
1044	$pl->{deny_save} = 1;	1622	$pl->{deny_save} = 1;
1045	$pl->password ("*"); # this should lock out the player until we nuked the dir	1623	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1046		1624
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1625	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1048	$pl->deactivate;	1626	$pl->deactivate;
		1627	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1628	$pl->ob->check_score;
1049	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1629	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1050	$pl->ns->destroy if $pl->ns;	1630	$pl->ns->destroy if $pl->ns;
1051		1631
1052	my $path = playerdir $pl;	1632	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1633	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1634	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1635	delete $cf::PLAYER{$pl->ob->name};
1056	$pl->destroy;	1636	$pl->destroy;
		1637
		1638	my $prefix = qr<^~\Q$name\E/>;
		1639
		1640	# nuke player maps
		1641	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1642
1057	IO::AIO::aio_rmtree $temp;	1643	IO::AIO::aio_rmtree $temp;
		1644	}
		1645
		1646	=item $pl->kick
		1647
		1648	Kicks a player out of the game. This destroys the connection.
		1649
		1650	=cut
		1651
		1652	sub kick {
		1653	my ($pl, $kicker) = @_;
		1654
		1655	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1656	$pl->killer ("kicked");
		1657	$pl->ns->destroy;
1058	}	1658	}
1059		1659
1060	=item cf::player::list_logins	1660	=item cf::player::list_logins
1061		1661
1062	Returns am arrayref of all valid playernames in the system, can take a	1662	Returns am arrayref of all valid playernames in the system, can take a
1063	while and may block, so not sync_job-capable, ever.	1663	while and may block, so not sync_job-capable, ever.
1064		1664
1065	=cut	1665	=cut
1066		1666
1067	sub list_logins {	1667	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1668	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1669	or return [];
1070		1670
1071	my @logins;	1671	my @logins;
1072		1672
1073	for my $login (@$dirs) {	1673	for my $login (@$dirs) {
		1674	my $path = path $login;
		1675
		1676	# a .pst is a dead give-away for a valid player
		1677	# if no pst file found, open and chekc for blocked users
		1678	if (aio_stat "$path.pst") {
1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1679	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1075	aio_read $fh, 0, 512, my $buf, 0 or next;	1680	aio_read $fh, 0, 512, my $buf, 0 or next;
1076	$buf !~ /^password -------------$/m or next; # official not-valid tag	1681	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1682	}
1077		1683
1078	utf8::decode $login;	1684	utf8::decode $login;
1079	push @logins, $login;	1685	push @logins, $login;
1080	}	1686	}
1081		1687
…		…
1108	}	1714	}
1109		1715
1110	\@paths	1716	\@paths
1111	}	1717	}
1112		1718
		1719	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1720
		1721	Expand deliantra pod fragments into protocol xml.
		1722
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1723	=item $player->ext_reply ($msgid, @msg)
1114		1724
1115	Sends an ext reply to the player.	1725	Sends an ext reply to the player.
1116		1726
1117	=cut	1727	=cut
1118		1728
1119	sub ext_reply($$$%) {	1729	sub ext_reply($$@) {
1120	my ($self, $id, %msg) = @_;	1730	my ($self, $id, @msg) = @_;
1121		1731
1122	$msg{msgid} = $id;	1732	$self->ns->ext_reply ($id, @msg)
1123
1124	$self->send ("ext " . cf::to_json \%msg);
1125	}	1733	}
1126		1734
1127	package cf;	1735	=item $player->ext_msg ($type, @msg)
		1736
		1737	Sends an ext event to the client.
		1738
		1739	=cut
		1740
		1741	sub ext_msg($$@) {
		1742	my ($self, $type, @msg) = @_;
		1743
		1744	$self->ns->ext_msg ($type, @msg);
		1745	}
		1746
		1747	=head3 cf::region
		1748
		1749	=over 4
		1750
		1751	=cut
		1752
		1753	package cf::region;
		1754
		1755	=item cf::region::find_by_path $path
		1756
		1757	Tries to decuce the likely region for a map knowing only its path.
		1758
		1759	=cut
		1760
		1761	sub find_by_path($) {
		1762	my ($path) = @_;
		1763
		1764	my ($match, $specificity);
		1765
		1766	for my $region (list) {
		1767	if ($region->{match} && $path =~ $region->{match}) {
		1768	($match, $specificity) = ($region, $region->specificity)
		1769	if $region->specificity > $specificity;
		1770	}
		1771	}
		1772
		1773	$match
		1774	}
1128		1775
1129	=back	1776	=back
1130
1131		1777
1132	=head3 cf::map	1778	=head3 cf::map
1133		1779
1134	=over 4	1780	=over 4
1135		1781
…		…
1147	our $MAX_RESET = 3600;	1793	our $MAX_RESET = 3600;
1148	our $DEFAULT_RESET = 3000;	1794	our $DEFAULT_RESET = 3000;
1149		1795
1150	sub generate_random_map {	1796	sub generate_random_map {
1151	my ($self, $rmp) = @_;	1797	my ($self, $rmp) = @_;
		1798
		1799	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1800
1152	# mit "rum" bekleckern, nicht	1801	# mit "rum" bekleckern, nicht
1153	$self->_create_random_map (	1802	$self->_create_random_map (
1154	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1803	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1155	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1804	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1156	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1805	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1157	$rmp->{exit_on_final_map},	1806	$rmp->{exit_on_final_map},
1158	$rmp->{xsize}, $rmp->{ysize},	1807	$rmp->{xsize}, $rmp->{ysize},
1159	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1808	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1160	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1809	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1190	my ($self, $merge) = @_;	1839	my ($self, $merge) = @_;
1191		1840
1192	# we have to keep some variables in memory intact	1841	# we have to keep some variables in memory intact
1193	local $self->{path};	1842	local $self->{path};
1194	local $self->{load_path};	1843	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		1844
1198	$self->SUPER::thawer_merge ($merge);	1845	$self->SUPER::thawer_merge ($merge);
1199	}	1846	}
1200		1847
1201	sub normalise {	1848	sub normalise {
…		…
1248	$self->init; # pass $1 etc.	1895	$self->init; # pass $1 etc.
1249	return $self;	1896	return $self;
1250	}	1897	}
1251	}	1898	}
1252		1899
1253	Carp::carp "unable to resolve path '$path' (base '$base').";	1900	Carp::cluck "unable to resolve path '$path' (base '$base').";
1254	()	1901	()
1255	}	1902	}
1256		1903
1257	sub init {	1904	sub init {
1258	my ($self) = @_;	1905	my ($self) = @_;
…		…
1273		1920
1274	# the original (read-only) location	1921	# the original (read-only) location
1275	sub load_path {	1922	sub load_path {
1276	my ($self) = @_;	1923	my ($self) = @_;
1277		1924
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1925	"$MAPDIR/$self->{path}.map"
1279	}	1926	}
1280		1927
1281	# the temporary/swap location	1928	# the temporary/swap location
1282	sub save_path {	1929	sub save_path {
1283	my ($self) = @_;	1930	my ($self) = @_;
1284		1931
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1932	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1933	"$TMPDIR/$path.map"
1287	}	1934	}
1288		1935
1289	# the unique path, undef == no special unique path	1936	# the unique path, undef == no special unique path
1290	sub uniq_path {	1937	sub uniq_path {
1291	my ($self) = @_;	1938	my ($self) = @_;
1292		1939
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1940	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1941	"$UNIQUEDIR/$path"
1295	}	1942	}
1296		1943
1297	# and all this just because we cannot iterate over	1944	sub decay_objects {
1298	# all maps in C++...
1299	sub change_all_map_light {
1300	my ($change) = @_;	1945	my ($self) = @_;
1301		1946
1302	$_->change_map_light ($change)	1947	return if $self->{deny_reset};
1303	for grep $_->outdoor, values %cf::MAP;	1948
		1949	$self->do_decay_objects;
1304	}	1950	}
1305		1951
1306	sub unlink_save {	1952	sub unlink_save {
1307	my ($self) = @_;	1953	my ($self) = @_;
1308		1954
1309	utf8::encode (my $save = $self->save_path);	1955	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1956	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1957	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	}	1958	}
1318		1959
1319	sub load_header_from($) {	1960	sub load_header_from($) {
1320	my ($self, $path) = @_;	1961	my ($self, $path) = @_;
1321		1962
1322	utf8::encode $path;	1963	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1964	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	1965	or return;
		1966
		1967	$self->_load_header ($f)
		1968	or return;
		1969
		1970	local $MAP_LOADING{$self->{path}} = $self;
		1971	$f->resolve_delayed_derefs;
1328		1972
1329	$self->{load_path} = $path;	1973	$self->{load_path} = $path;
1330		1974
1331	1	1975	1
1332	}	1976	}
…		…
1371	$self->load_header_orig	2015	$self->load_header_orig
1372	or return;	2016	or return;
1373	$self->prepare_orig;	2017	$self->prepare_orig;
1374	}	2018	}
1375		2019
		2020	$self->{deny_reset} = 1
		2021	if $self->no_reset;
		2022
		2023	$self->default_region (cf::region::find_by_path $self->{path})
		2024	unless $self->default_region;
		2025
1376	1	2026	1
1377	}	2027	}
1378		2028
1379	sub find;	2029	sub find;
1380	sub find {	2030	sub find {
1381	my ($path, $origin) = @_;	2031	my ($path, $origin) = @_;
1382		2032
1383	$path = normalise $path, $origin && $origin->path;	2033	$path = normalise $path, $origin && $origin->path;
1384		2034
		2035	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	2036	my $guard2 = cf::lock_acquire "map_find:$path";
1386		2037
1387	$cf::MAP{$path} || do {	2038	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";
1389	my $map = new_from_path cf::map $path	2039	my $map = new_from_path cf::map $path
1390	or return;	2040	or return;
1391		2041
1392	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1393		2043
1394	$map->load_header	2044	$map->load_header
1395	or return;	2045	or return;
1396		2046
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	2048	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	2049	#$cf::WAIT_FOR_TICK->wait;
		2050	undef $guard2;
		2051	undef $guard1;
1400	$map->reset;	2052	$map->reset;
1401	undef $guard;
1402	return find $path;	2053	return find $path;
1403	}	2054	}
1404		2055
1405	$cf::MAP{$path} = $map	2056	$cf::MAP{$path} = $map
1406	}	2057	}
1407	}	2058	}
1408		2059
1409	sub pre_load { }	2060	sub pre_load { }
1410	sub post_load { }	2061	#sub post_load { } # XS
1411		2062
1412	sub load {	2063	sub load {
1413	my ($self) = @_;	2064	my ($self) = @_;
1414		2065
1415	local $self->{deny_reset} = 1; # loading can take a long time	2066	local $self->{deny_reset} = 1; # loading can take a long time
1416		2067
1417	my $path = $self->{path};	2068	my $path = $self->{path};
		2069
		2070	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2071	my $guard = cf::lock_acquire "map_data:$path";
1419		2072
		2073	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		2075
1422	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1423		2077
1424	$self->alloc;	2078	$self->alloc;
1425		2079
1426	$self->pre_load;	2080	$self->pre_load;
		2081	cf::cede_to_tick;
1427		2082
1428	$self->_load_objects ($self->{load_path}, 1)	2083	my $f = new_from_file cf::object::thawer $self->{load_path};
		2084	$f->skip_block;
		2085	$self->_load_objects ($f)
1429	or return;	2086	or return;
1430		2087
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->post_load_original
1432	if delete $self->{load_original};	2089	if delete $self->{load_original};
1433		2090
1434	if (my $uniq = $self->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2092	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2095	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1439	}	2099	}
1440	}	2100	}
1441		2101
1442	Coro::cede;	2102	$f->resolve_delayed_derefs;
1443		2103
		2104	cf::cede_to_tick;
1444	# now do the right thing for maps	2105	# now do the right thing for maps
1445	$self->link_multipart_objects;	2106	$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)	2107	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2108	unless $self->difficulty;
1455	Coro::cede;	2109	cf::cede_to_tick;
		2110
		2111	unless ($self->{deny_activate}) {
		2112	$self->decay_objects;
		2113	$self->fix_auto_apply;
		2114	$self->update_buttons;
		2115	cf::cede_to_tick;
1456	$self->activate;	2116	$self->activate;
		2117	}
		2118
		2119	$self->{last_save} = $cf::RUNTIME;
		2120	$self->last_access ($cf::RUNTIME);
		2121
		2122	$self->in_memory (cf::MAP_ACTIVE);
1457	}	2123	}
1458		2124
1459	$self->post_load;	2125	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	2126	}
1463		2127
		2128	# customize the map for a given player, i.e.
		2129	# return the _real_ map. used by e.g. per-player
		2130	# maps to change the path to ~playername/mappath
1464	sub customise_for {	2131	sub customise_for {
1465	my ($self, $ob) = @_;	2132	my ($self, $ob) = @_;
1466		2133
1467	return find "~" . $ob->name . "/" . $self->{path}	2134	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2135	if $self->per_player;
1469		2136
		2137	# return find "?party/" . $ob->name . "/" . $self->{path}
		2138	# if $self->per_party;
		2139
1470	$self	2140	$self
1471	}	2141	}
1472		2142
1473	# find and load all maps in the 3x3 area around a map	2143	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	2144	sub load_neighbours {
1475	my ($map) = @_;	2145	my ($map) = @_;
1476		2146
1477	my @diag; # diagonal neighbours	2147	my @neigh; # diagonal neighbours
1478		2148
1479	for (0 .. 3) {	2149	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2150	my $neigh = $map->tile_path ($_)
1481	or next;	2151	or next;
1482	$neigh = find $neigh, $map	2152	$neigh = find $neigh, $map
1483	or next;	2153	or next;
1484	$neigh->load;	2154	$neigh->load;
1485		2155
		2156	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2157	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2158	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2159	}
1489		2160
1490	for (@diag) {	2161	for (grep defined $_->[0], @neigh) {
		2162	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2163	my $neigh = find $path, $origin
1492	or next;	2164	or next;
1493	$neigh->load;	2165	$neigh->load;
1494	}	2166	}
1495	}	2167	}
1496		2168
…		…
1501	}	2173	}
1502		2174
1503	sub do_load_sync {	2175	sub do_load_sync {
1504	my ($map) = @_;	2176	my ($map) = @_;
1505		2177
		2178	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2179	if $Coro::current == $Coro::main;
		2180
1506	cf::sync_job { $map->load };	2181	cf::sync_job { $map->load };
1507	}	2182	}
1508		2183
1509	our %MAP_PREFETCH;	2184	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2185	our $MAP_PREFETCHER = undef;
1511		2186
1512	sub find_async {	2187	sub find_async {
1513	my ($path, $origin) = @_;	2188	my ($path, $origin, $load) = @_;
1514		2189
1515	$path = normalise $path, $origin && $origin->{path};	2190	$path = normalise $path, $origin && $origin->{path};
1516		2191
1517	if (my $map = $cf::MAP{$path}) {	2192	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2193	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519	}	2194	}
1520		2195
1521	undef $MAP_PREFETCH{$path};	2196	$MAP_PREFETCH{$path} |= $load;
		2197
1522	$MAP_PREFETCHER ||= cf::async {	2198	$MAP_PREFETCHER ||= cf::async {
		2199	$Coro::current->{desc} = "map prefetcher";
		2200
1523	while (%MAP_PREFETCH) {	2201	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2202	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2203	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2204	$map->load if $v;
		2205	}
1528		2206
1529	delete $MAP_PREFETCH{$path};	2207	delete $MAP_PREFETCH{$k};
1530	}	2208	}
1531	}	2209	}
1532	undef $MAP_PREFETCHER;	2210	undef $MAP_PREFETCHER;
1533	};	2211	};
1534	$MAP_PREFETCHER->prio (6);	2212	$MAP_PREFETCHER->prio (6);
1535		2213
1536	()	2214	()
1537	}	2215	}
1538		2216
		2217	# common code, used by both ->save and ->swapout
1539	sub save {	2218	sub _save {
1540	my ($self) = @_;	2219	my ($self) = @_;
1541
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1543		2220
1544	$self->{last_save} = $cf::RUNTIME;	2221	$self->{last_save} = $cf::RUNTIME;
1545		2222
1546	return unless $self->dirty;	2223	return unless $self->dirty;
1547		2224
…		…
1553	return if $self->{deny_save};	2230	return if $self->{deny_save};
1554		2231
1555	local $self->{last_access} = $self->last_access;#d#	2232	local $self->{last_access} = $self->last_access;#d#
1556		2233
1557	cf::async {	2234	cf::async {
		2235	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2236	$_->contr->save for $self->players;
1559	};	2237	};
		2238
		2239	cf::get_slot 0.02;
1560		2240
1561	if ($uniq) {	2241	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2242	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2243	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2244	} else {
1565	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2245	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1566	}	2246	}
1567	}	2247	}
1568		2248
		2249	sub save {
		2250	my ($self) = @_;
		2251
		2252	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2253
		2254	$self->_save;
		2255	}
		2256
1569	sub swap_out {	2257	sub swap_out {
1570	my ($self) = @_;	2258	my ($self) = @_;
1571		2259
1572	# save first because save cedes
1573	$self->save;
1574
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2261
		2262	return if $self->in_memory != cf::MAP_ACTIVE;
		2263	return if $self->{deny_save};
1577	return if $self->players;	2264	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};
1580		2265
		2266	# first deactivate the map and "unlink" it from the core
		2267	$self->deactivate;
		2268	$_->clear_links_to ($self) for values %cf::MAP;
		2269	$self->in_memory (cf::MAP_SWAPPED);
		2270
		2271	# then atomically save
		2272	$self->_save;
		2273
		2274	# then free the map
1581	$self->clear;	2275	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2276	}
1584		2277
1585	sub reset_at {	2278	sub reset_at {
1586	my ($self) = @_;	2279	my ($self) = @_;
1587		2280
1588	# TODO: safety, remove and allow resettable per-player maps	2281	# 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};	2282	return 1e99 if $self->{deny_reset};
1591		2283
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2284	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2285	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2286
…		…
1605	my ($self) = @_;	2297	my ($self) = @_;
1606		2298
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2299	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2300
1609	return if $self->players;	2301	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2302
1612	warn "resetting map ", $self->path;#d#	2303	warn "resetting map ", $self->path, "\n";
1613		2304
1614	$self->in_memory (cf::MAP_SWAPPED);	2305	$self->in_memory (cf::MAP_SWAPPED);
1615		2306
1616	# need to save uniques path	2307	# need to save uniques path
1617	unless ($self->{deny_save}) {	2308	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2312	if $uniq;
1622	}	2313	}
1623		2314
1624	delete $cf::MAP{$self->path};	2315	delete $cf::MAP{$self->path};
1625		2316
		2317	$self->deactivate;
		2318	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2319	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2320
1630	$self->unlink_save;	2321	$self->unlink_save;
1631	$self->destroy;	2322	$self->destroy;
1632	}	2323	}
1633		2324
1634	my $nuke_counter = "aaaa";	2325	my $nuke_counter = "aaaa";
1635		2326
1636	sub nuke {	2327	sub nuke {
1637	my ($self) = @_;	2328	my ($self) = @_;
1638		2329
		2330	{
		2331	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2332
1639	delete $cf::MAP{$self->path};	2333	delete $cf::MAP{$self->path};
1640		2334
1641	$self->unlink_save;	2335	$self->unlink_save;
1642		2336
1643	bless $self, "cf::map";	2337	bless $self, "cf::map";
1644	delete $self->{deny_reset};	2338	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2339	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2340	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2341	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2342
1649	$cf::MAP{$self->path} = $self;	2343	$cf::MAP{$self->path} = $self;
		2344	}
1650		2345
1651	$self->reset; # polite request, might not happen	2346	$self->reset; # polite request, might not happen
		2347	}
		2348
		2349	=item $maps = cf::map::tmp_maps
		2350
		2351	Returns an arrayref with all map paths of currently instantiated and saved
		2352	maps. May block.
		2353
		2354	=cut
		2355
		2356	sub tmp_maps() {
		2357	[
		2358	map {
		2359	utf8::decode $_;
		2360	/\.map$/
		2361	? normalise $_
		2362	: ()
		2363	} @{ aio_readdir $TMPDIR or [] }
		2364	]
		2365	}
		2366
		2367	=item $maps = cf::map::random_maps
		2368
		2369	Returns an arrayref with all map paths of currently instantiated and saved
		2370	random maps. May block.
		2371
		2372	=cut
		2373
		2374	sub random_maps() {
		2375	[
		2376	map {
		2377	utf8::decode $_;
		2378	/\.map$/
		2379	? normalise "?random/$_"
		2380	: ()
		2381	} @{ aio_readdir $RANDOMDIR or [] }
		2382	]
1652	}	2383	}
1653		2384
1654	=item cf::map::unique_maps	2385	=item cf::map::unique_maps
1655		2386
1656	Returns an arrayref of paths of all shared maps that have	2387	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2388	instantiated unique items. May block.
1658		2389
1659	=cut	2390	=cut
1660		2391
1661	sub unique_maps() {	2392	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2393	[
1663	or return;	2394	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2395	utf8::decode $_;
1669	next if /\.pst$/;	2396	s/\.map$//; # TODO future compatibility hack
1670	next unless /^$PATH_SEP/o;	2397	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1671		2398	? ()
1672	push @paths, cf::map::normalise $_;	2399	: normalise $_
		2400	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2401	]
1674
1675	\@paths
1676	}	2402	}
1677		2403
1678	package cf;	2404	=item cf::map::static_maps
		2405
		2406	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2407	file in the shared directory excluding F</styles> and F</editor>). May
		2408	block.
		2409
		2410	=cut
		2411
		2412	sub static_maps() {
		2413	my @dirs = "";
		2414	my @maps;
		2415
		2416	while (@dirs) {
		2417	my $dir = shift @dirs;
		2418
		2419	next if $dir eq "/styles" || $dir eq "/editor";
		2420
		2421	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2422	or return;
		2423
		2424	for (@$files) {
		2425	s/\.map$// or next;
		2426	utf8::decode $_;
		2427	push @maps, "$dir/$_";
		2428	}
		2429
		2430	push @dirs, map "$dir/$_", @$dirs;
		2431	}
		2432
		2433	\@maps
		2434	}
1679		2435
1680	=back	2436	=back
1681		2437
1682	=head3 cf::object	2438	=head3 cf::object
1683		2439
…		…
1687		2443
1688	=over 4	2444	=over 4
1689		2445
1690	=item $ob->inv_recursive	2446	=item $ob->inv_recursive
1691		2447
1692	Returns the inventory of the object _and_ their inventories, recursively.	2448	Returns the inventory of the object I<and> their inventories, recursively,
		2449	but I<not> the object itself.
1693		2450
1694	=cut	2451	=cut
1695		2452
1696	sub inv_recursive_;	2453	sub inv_recursive_;
1697	sub inv_recursive_ {	2454	sub inv_recursive_ {
…		…
1700		2457
1701	sub inv_recursive {	2458	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2459	inv_recursive_ inv $_[0]
1703	}	2460	}
1704		2461
		2462	=item $ref = $ob->ref
		2463
		2464	Creates and returns a persistent reference to an object that can be stored as a string.
		2465
		2466	=item $ob = cf::object::deref ($refstring)
		2467
		2468	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2469	even if the object actually exists. May block.
		2470
		2471	=cut
		2472
		2473	sub deref {
		2474	my ($ref) = @_;
		2475
		2476	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2477	my ($uuid, $name) = ($1, $2);
		2478	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2479	or return;
		2480	$pl->ob->uuid eq $uuid
		2481	or return;
		2482
		2483	$pl->ob
		2484	} else {
		2485	warn "$ref: cannot resolve object reference\n";
		2486	undef
		2487	}
		2488	}
		2489
1705	package cf;	2490	package cf;
1706		2491
1707	=back	2492	=back
1708		2493
1709	=head3 cf::object::player	2494	=head3 cf::object::player
…		…
1715	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2500	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1716	can be C<undef>. Does the right thing when the player is currently in a	2501	can be C<undef>. Does the right thing when the player is currently in a
1717	dialogue with the given NPC character.	2502	dialogue with the given NPC character.
1718		2503
1719	=cut	2504	=cut
		2505
		2506	our $SAY_CHANNEL = {
		2507	id => "say",
		2508	title => "Map",
		2509	reply => "say ",
		2510	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2511	};
		2512
		2513	our $CHAT_CHANNEL = {
		2514	id => "chat",
		2515	title => "Chat",
		2516	reply => "chat ",
		2517	tooltip => "Player chat and shouts, global to the server.",
		2518	};
1720		2519
1721	# rough implementation of a future "reply" method that works	2520	# rough implementation of a future "reply" method that works
1722	# with dialog boxes.	2521	# with dialog boxes.
1723	#TODO: the first argument must go, split into a $npc->reply_to ( method	2522	#TODO: the first argument must go, split into a $npc->reply_to ( method
1724	sub cf::object::player::reply($$$;$) {	2523	sub cf::object::player::reply($$$;$) {
…		…
1726		2525
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2526	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2527
1729	if ($self->{record_replies}) {	2528	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2529	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2530
1731	} else {	2531	} else {
		2532	my $pl = $self->contr;
		2533
		2534	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2535	my $dialog = $pl->{npc_dialog};
		2536	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2537
		2538	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2539	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2540	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2541	}
1734	}	2542	}
		2543	}
		2544
		2545	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2546
		2547	=cut
		2548
		2549	sub cf::object::send_msg {
		2550	my $pl = shift->contr
		2551	or return;
		2552	$pl->send_msg (@_);
1735	}	2553	}
1736		2554
1737	=item $player_object->may ("access")	2555	=item $player_object->may ("access")
1738		2556
1739	Returns wether the given player is authorized to access resource "access"	2557	Returns wether the given player is authorized to access resource "access"
…		…
1752		2570
1753	=item $player_object->enter_link	2571	=item $player_object->enter_link
1754		2572
1755	Freezes the player and moves him/her to a special map (C<{link}>).	2573	Freezes the player and moves him/her to a special map (C<{link}>).
1756		2574
1757	The player should be reasonably safe there for short amounts of time. You	2575	The player should be reasonably safe there for short amounts of time (e.g.
1758	I<MUST> call C<leave_link> as soon as possible, though.	2576	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2577	though, as the palyer cannot control the character while it is on the link
		2578	map.
1759		2579
1760	Will never block.	2580	Will never block.
1761		2581
1762	=item $player_object->leave_link ($map, $x, $y)	2582	=item $player_object->leave_link ($map, $x, $y)
1763		2583
…		…
1786	$self->deactivate_recursive;	2606	$self->deactivate_recursive;
1787		2607
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2608	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2609
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2610	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2611	if $self->map && $self->map->{path} ne "{link}";
1792		2612
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2613	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1794	}	2614	}
1795		2615
1796	sub cf::object::player::leave_link {	2616	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2617	my ($self, $map, $x, $y) = @_;
		2618
		2619	return unless $self->contr->active;
1798		2620
1799	my $link_pos = delete $self->{_link_pos};	2621	my $link_pos = delete $self->{_link_pos};
1800		2622
1801	unless ($map) {	2623	unless ($map) {
1802	# restore original map position	2624	# restore original map position
…		…
1813	($x, $y) = (-1, -1)	2635	($x, $y) = (-1, -1)
1814	unless (defined $x) && (defined $y);	2636	unless (defined $x) && (defined $y);
1815		2637
1816	# use -1 or undef as default coordinates, not 0, 0	2638	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2639	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2640	if $x <= 0 && $y <= 0;
1819		2641
1820	$map->load;	2642	$map->load;
1821	$map->load_diag;	2643	$map->load_neighbours;
1822		2644
1823	return unless $self->contr->active;	2645	return unless $self->contr->active;
		2646
		2647	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2648	$self->enter_map ($map, $x, $y);
		2649
		2650	# only activate afterwards, to support waiting in hooks
1824	$self->activate_recursive;	2651	$self->activate_recursive;
1825	$self->enter_map ($map, $x, $y);
1826	}	2652	}
1827		2653
1828	cf::player->attach (	2654	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1829	on_logout => sub {
1830	my ($pl) = @_;
1831		2655
1832	# abort map switching before logout	2656	Moves the player to the given map-path and coordinates by first freezing
1833	if ($pl->ob->{_link_pos}) {	2657	her, loading and preparing them map, calling the provided $check callback
1834	cf::sync_job {	2658	that has to return the map if sucecssful, and then unfreezes the player on
1835	$pl->ob->leave_link	2659	the new (success) or old (failed) map position. In either case, $done will
1836	};	2660	be called at the end of this process.
1837	}
1838	},
1839	on_login => sub {
1840	my ($pl) = @_;
1841		2661
1842	# try to abort aborted map switching on player login :)	2662	Note that $check will be called with a potentially non-loaded map, so if
1843	# should happen only on crashes	2663	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		2664
1860	=item $player_object->goto ($path, $x, $y)
1861
1862	=cut	2665	=cut
		2666
		2667	our $GOTOGEN;
1863		2668
1864	sub cf::object::player::goto {	2669	sub cf::object::player::goto {
1865	my ($self, $path, $x, $y) = @_;	2670	my ($self, $path, $x, $y, $check, $done) = @_;
		2671
		2672	# do generation counting so two concurrent goto's will be executed in-order
		2673	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1866		2674
1867	$self->enter_link;	2675	$self->enter_link;
1868		2676
1869	(async {	2677	(async {
		2678	$Coro::current->{desc} = "player::goto $path $x $y";
		2679
		2680	# *tag paths override both path and x|y
		2681	if ($path =~ /^\*(.*)$/) {
		2682	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2683	my $ob = $obs[rand @obs];
		2684
		2685	# see if we actually can go there
		2686	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2687	$ob = $obs[rand @obs];
		2688	} else {
		2689	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2690	}
		2691	# else put us there anyways for now #d#
		2692
		2693	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2694	} else {
		2695	($path, $x, $y) = (undef, undef, undef);
		2696	}
		2697	}
		2698
1870	my $map = eval {	2699	my $map = eval {
1871	my $map = cf::map::find $path;	2700	my $map = defined $path ? cf::map::find $path : undef;
		2701
		2702	if ($map) {
1872	$map = $map->customise_for ($self) if $map;	2703	$map = $map->customise_for ($self);
		2704	$map = $check->($map) if $check && $map;
		2705	} else {
		2706	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2707	}
		2708
1873	$map	2709	$map
		2710	};
		2711
		2712	if ($@) {
		2713	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2714	LOG llevError | logBacktrace, Carp::longmess $@;
1874	} or	2715	}
1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876		2716
		2717	if ($gen == $self->{_goto_generation}) {
		2718	delete $self->{_goto_generation};
1877	$self->leave_link ($map, $x, $y);	2719	$self->leave_link ($map, $x, $y);
		2720	}
		2721
		2722	$done->() if $done;
1878	})->prio (1);	2723	})->prio (1);
1879	}	2724	}
1880		2725
1881	=item $player_object->enter_exit ($exit_object)	2726	=item $player_object->enter_exit ($exit_object)
1882		2727
…		…
1902	}	2747	}
1903		2748
1904	sub prepare_random_map {	2749	sub prepare_random_map {
1905	my ($exit) = @_;	2750	my ($exit) = @_;
1906		2751
1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1908
1909	# all this does is basically replace the /! path by	2752	# all this does is basically replace the /! path by
1910	# a new random map path (?random/...) with a seed	2753	# a new random map path (?random/...) with a seed
1911	# that depends on the exit object	2754	# that depends on the exit object
1912		2755
1913	my $rmp = parse_random_map_params $exit->msg;	2756	my $rmp = parse_random_map_params $exit->msg;
…		…
1915	if ($exit->map) {	2758	if ($exit->map) {
1916	$rmp->{region} = $exit->region->name;	2759	$rmp->{region} = $exit->region->name;
1917	$rmp->{origin_map} = $exit->map->path;	2760	$rmp->{origin_map} = $exit->map->path;
1918	$rmp->{origin_x} = $exit->x;	2761	$rmp->{origin_x} = $exit->x;
1919	$rmp->{origin_y} = $exit->y;	2762	$rmp->{origin_y} = $exit->y;
		2763
		2764	$exit->map->touch;
1920	}	2765	}
1921		2766
1922	$rmp->{random_seed} ||= $exit->random_seed;	2767	$rmp->{random_seed} ||= $exit->random_seed;
1923		2768
1924	my $data = cf::to_json $rmp;	2769	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1925	my $md5 = Digest::MD5::md5_hex $data;	2770	my $md5 = Digest::MD5::md5_hex $data;
1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2771	my $meta = "$RANDOMDIR/$md5.meta";
1927		2772
1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2773	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929	aio_write $fh, 0, (length $data), $data, 0;	2774	aio_write $fh, 0, (length $data), $data, 0;
1930	undef $fh;	2775	undef $fh;
1931	aio_rename "$meta~", $meta;	2776	aio_rename "$meta~", $meta;
1932		2777
		2778	my $slaying = "?random/$md5";
		2779
		2780	if ($exit->valid) {
1933	$exit->slaying ("?random/$md5");	2781	$exit->slaying ("?random/$md5");
1934	$exit->msg (undef);	2782	$exit->msg (undef);
		2783	}
1935	}	2784	}
1936	}	2785	}
1937		2786
1938	sub cf::object::player::enter_exit {	2787	sub cf::object::player::enter_exit {
1939	my ($self, $exit) = @_;	2788	my ($self, $exit) = @_;
1940		2789
1941	return unless $self->type == cf::PLAYER;	2790	return unless $self->type == cf::PLAYER;
1942		2791
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;	2792	$self->enter_link;
1953		2793
1954	(async {	2794	(async {
1955	$self->deactivate_recursive; # just to be sure	2795	$Coro::current->{desc} = "enter_exit";
		2796
1956	unless (eval {	2797	unless (eval {
		2798	$self->deactivate_recursive; # just to be sure
		2799
		2800	# random map handling
		2801	{
		2802	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2803
		2804	prepare_random_map $exit
		2805	if $exit->slaying eq "/!";
		2806	}
		2807
		2808	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2809	my $x = $exit->stats->hp;
		2810	my $y = $exit->stats->sp;
		2811
1957	$self->goto ($slaying, $hp, $sp);	2812	$self->goto ($map, $x, $y);
1958		2813
		2814	# if exit is damned, update players death & WoR home-position
		2815	$self->contr->savebed ($map, $x, $y)
		2816	if $exit->flag (cf::FLAG_DAMNED);
		2817
1959	1;	2818	1
1960	}) {	2819	}) {
1961	$self->message ("Something went wrong deep within the crossfire server. "	2820	$self->message ("Something went wrong deep within the deliantra server. "
1962	. "I'll try to bring you back to the map you were before. "	2821	. "I'll try to bring you back to the map you were before. "
1963	. "Please report this to the dungeon master!",	2822	. "Please report this to the dungeon master!",
1964	cf::NDI_UNIQUE | cf::NDI_RED);	2823	cf::NDI_UNIQUE | cf::NDI_RED);
1965		2824
1966	warn "ERROR in enter_exit: $@";	2825	warn "ERROR in enter_exit: $@";
1967	$self->leave_link;	2826	$self->leave_link;
1968	}	2827	}
1969	})->prio (1);	2828	})->prio (1);
…		…
1982		2841
1983	sub cf::client::send_drawinfo {	2842	sub cf::client::send_drawinfo {
1984	my ($self, $text, $flags) = @_;	2843	my ($self, $text, $flags) = @_;
1985		2844
1986	utf8::encode $text;	2845	utf8::encode $text;
1987	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2846	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988	}	2847	}
1989		2848
		2849	=item $client->send_big_packet ($pkt)
		2850
		2851	Like C<send_packet>, but tries to compress large packets, and fragments
		2852	them as required.
		2853
		2854	=cut
		2855
		2856	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2857
		2858	sub cf::client::send_big_packet {
		2859	my ($self, $pkt) = @_;
		2860
		2861	# try lzf for large packets
		2862	$pkt = "lzf " . Compress::LZF::compress $pkt
		2863	if 1024 <= length $pkt and $self->{can_lzf};
		2864
		2865	# split very large packets
		2866	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2867	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2868	$pkt = "frag";
		2869	}
		2870
		2871	$self->send_packet ($pkt);
		2872	}
		2873
		2874	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2875
		2876	Send a drawinfo or msg packet to the client, formatting the msg for the
		2877	client if neccessary. C<$type> should be a string identifying the type of
		2878	the message, with C<log> being the default. If C<$color> is negative, suppress
		2879	the message unless the client supports the msg packet.
		2880
		2881	=cut
		2882
		2883	# non-persistent channels (usually the info channel)
		2884	our %CHANNEL = (
		2885	"c/motd" => {
		2886	id => "infobox",
		2887	title => "MOTD",
		2888	reply => undef,
		2889	tooltip => "The message of the day",
		2890	},
		2891	"c/identify" => {
		2892	id => "infobox",
		2893	title => "Identify",
		2894	reply => undef,
		2895	tooltip => "Items recently identified",
		2896	},
		2897	"c/examine" => {
		2898	id => "infobox",
		2899	title => "Examine",
		2900	reply => undef,
		2901	tooltip => "Signs and other items you examined",
		2902	},
		2903	"c/shopinfo" => {
		2904	id => "infobox",
		2905	title => "Shop Info",
		2906	reply => undef,
		2907	tooltip => "What your bargaining skill tells you about the shop",
		2908	},
		2909	"c/book" => {
		2910	id => "infobox",
		2911	title => "Book",
		2912	reply => undef,
		2913	tooltip => "The contents of a note or book",
		2914	},
		2915	"c/lookat" => {
		2916	id => "infobox",
		2917	title => "Look",
		2918	reply => undef,
		2919	tooltip => "What you saw there",
		2920	},
		2921	"c/who" => {
		2922	id => "infobox",
		2923	title => "Players",
		2924	reply => undef,
		2925	tooltip => "Shows players who are currently online",
		2926	},
		2927	"c/body" => {
		2928	id => "infobox",
		2929	title => "Body Parts",
		2930	reply => undef,
		2931	tooltip => "Shows which body parts you posess and are available",
		2932	},
		2933	"c/statistics" => {
		2934	id => "infobox",
		2935	title => "Statistics",
		2936	reply => undef,
		2937	tooltip => "Shows your primary statistics",
		2938	},
		2939	"c/skills" => {
		2940	id => "infobox",
		2941	title => "Skills",
		2942	reply => undef,
		2943	tooltip => "Shows your experience per skill and item power",
		2944	},
		2945	"c/shopitems" => {
		2946	id => "infobox",
		2947	title => "Shop Items",
		2948	reply => undef,
		2949	tooltip => "Shows the items currently for sale in this shop",
		2950	},
		2951	"c/resistances" => {
		2952	id => "infobox",
		2953	title => "Resistances",
		2954	reply => undef,
		2955	tooltip => "Shows your resistances",
		2956	},
		2957	"c/pets" => {
		2958	id => "infobox",
		2959	title => "Pets",
		2960	reply => undef,
		2961	tooltip => "Shows information abotu your pets/a specific pet",
		2962	},
		2963	"c/perceiveself" => {
		2964	id => "infobox",
		2965	title => "Perceive Self",
		2966	reply => undef,
		2967	tooltip => "You gained detailed knowledge about yourself",
		2968	},
		2969	"c/uptime" => {
		2970	id => "infobox",
		2971	title => "Uptime",
		2972	reply => undef,
		2973	tooltip => "How long the server has been running since last restart",
		2974	},
		2975	"c/mapinfo" => {
		2976	id => "infobox",
		2977	title => "Map Info",
		2978	reply => undef,
		2979	tooltip => "Information related to the maps",
		2980	},
		2981	"c/party" => {
		2982	id => "party",
		2983	title => "Party",
		2984	reply => "gsay ",
		2985	tooltip => "Messages and chat related to your party",
		2986	},
		2987	"c/death" => {
		2988	id => "death",
		2989	title => "Death",
		2990	reply => undef,
		2991	tooltip => "Reason for and more info about your most recent death",
		2992	},
		2993	"c/say" => $SAY_CHANNEL,
		2994	"c/chat" => $CHAT_CHANNEL,
		2995	);
		2996
		2997	sub cf::client::send_msg {
		2998	my ($self, $channel, $msg, $color, @extra) = @_;
		2999
		3000	$msg = $self->pl->expand_cfpod ($msg)
		3001	unless $color & cf::NDI_VERBATIM;
		3002
		3003	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3004
		3005	# check predefined channels, for the benefit of C
		3006	if ($CHANNEL{$channel}) {
		3007	$channel = $CHANNEL{$channel};
		3008
		3009	$self->ext_msg (channel_info => $channel);
		3010	$channel = $channel->{id};
		3011
		3012	} elsif (ref $channel) {
		3013	# send meta info to client, if not yet sent
		3014	unless (exists $self->{channel}{$channel->{id}}) {
		3015	$self->{channel}{$channel->{id}} = $channel;
		3016	$self->ext_msg (channel_info => $channel);
		3017	}
		3018
		3019	$channel = $channel->{id};
		3020	}
		3021
		3022	return unless @extra || length $msg;
		3023
		3024	# default colour, mask it out
		3025	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3026	if $color & cf::NDI_DEF;
		3027
		3028	my $pkt = "msg "
		3029	. $self->{json_coder}->encode (
		3030	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3031	);
		3032
		3033	$self->send_big_packet ($pkt);
		3034	}
		3035
		3036	=item $client->ext_msg ($type, @msg)
		3037
		3038	Sends an ext event to the client.
		3039
		3040	=cut
		3041
		3042	sub cf::client::ext_msg($$@) {
		3043	my ($self, $type, @msg) = @_;
		3044
		3045	if ($self->extcmd == 2) {
		3046	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3047	} elsif ($self->extcmd == 1) { # TODO: remove
		3048	push @msg, msgtype => "event_$type";
		3049	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3050	}
		3051	}
		3052
		3053	=item $client->ext_reply ($msgid, @msg)
		3054
		3055	Sends an ext reply to the client.
		3056
		3057	=cut
		3058
		3059	sub cf::client::ext_reply($$@) {
		3060	my ($self, $id, @msg) = @_;
		3061
		3062	if ($self->extcmd == 2) {
		3063	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3064	} elsif ($self->extcmd == 1) {
		3065	#TODO: version 1, remove
		3066	unshift @msg, msgtype => "reply", msgid => $id;
		3067	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3068	}
		3069	}
1990		3070
1991	=item $success = $client->query ($flags, "text", \&cb)	3071	=item $success = $client->query ($flags, "text", \&cb)
1992		3072
1993	Queues a query to the client, calling the given callback with	3073	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>,	3074	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>.	3075	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1996		3076
1997	Queries can fail, so check the return code. Or don't, as queries will become	3077	Queries can fail, so check the return code. Or don't, as queries will
1998	reliable at some point in the future.	3078	become reliable at some point in the future.
1999		3079
2000	=cut	3080	=cut
2001		3081
2002	sub cf::client::query {	3082	sub cf::client::query {
2003	my ($self, $flags, $text, $cb) = @_;	3083	my ($self, $flags, $text, $cb) = @_;
…		…
2011	utf8::encode $text;	3091	utf8::encode $text;
2012	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013		3093
2014	$self->send_packet ($self->{query_queue}[0][0])	3094	$self->send_packet ($self->{query_queue}[0][0])
2015	if @{ $self->{query_queue} } == 1;	3095	if @{ $self->{query_queue} } == 1;
		3096
		3097	1
2016	}	3098	}
2017		3099
2018	cf::client->attach (	3100	cf::client->attach (
		3101	on_connect => sub {
		3102	my ($ns) = @_;
		3103
		3104	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3105	},
2019	on_reply => sub {	3106	on_reply => sub {
2020	my ($ns, $msg) = @_;	3107	my ($ns, $msg) = @_;
2021		3108
2022	# this weird shuffling is so that direct followup queries	3109	# this weird shuffling is so that direct followup queries
2023	# get handled first	3110	# get handled first
…		…
2035	} else {	3122	} else {
2036	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3123	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037	}	3124	}
2038	}	3125	}
2039	},	3126	},
		3127	on_exticmd => sub {
		3128	my ($ns, $buf) = @_;
		3129
		3130	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3131
		3132	if (ref $msg) {
		3133	my ($type, $reply, @payload) =
		3134	"ARRAY" eq ref $msg
		3135	? @$msg
		3136	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3137
		3138	my @reply;
		3139
		3140	if (my $cb = $EXTICMD{$type}) {
		3141	@reply = $cb->($ns, @payload);
		3142	}
		3143
		3144	$ns->ext_reply ($reply, @reply)
		3145	if $reply;
		3146
		3147	} else {
		3148	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3149	}
		3150
		3151	cf::override;
		3152	},
2040	);	3153	);
2041		3154
2042	=item $client->async (\&cb)	3155	=item $client->async (\&cb)
2043		3156
2044	Create a new coroutine, running the specified callback. The coroutine will	3157	Create a new coroutine, running the specified callback. The coroutine will
…		…
2060		3173
2061	$coro	3174	$coro
2062	}	3175	}
2063		3176
2064	cf::client->attach (	3177	cf::client->attach (
2065	on_destroy => sub {	3178	on_client_destroy => sub {
2066	my ($ns) = @_;	3179	my ($ns) = @_;
2067		3180
2068	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3181	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2069	},	3182	},
2070	);	3183	);
…		…
2085	our $safe = new Safe "safe";	3198	our $safe = new Safe "safe";
2086	our $safe_hole = new Safe::Hole;	3199	our $safe_hole = new Safe::Hole;
2087		3200
2088	$SIG{FPE} = 'IGNORE';	3201	$SIG{FPE} = 'IGNORE';
2089		3202
2090	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3203	$safe->permit_only (Opcode::opset qw(
		3204	:base_core :base_mem :base_orig :base_math :base_loop
		3205	grepstart grepwhile mapstart mapwhile
		3206	sort time
		3207	));
2091		3208
2092	# here we export the classes and methods available to script code	3209	# here we export the classes and methods available to script code
2093		3210
2094	=pod	3211	=pod
2095		3212
2096	The following fucntions and emthods are available within a safe environment:	3213	The following functions and methods are available within a safe environment:
2097		3214
2098	cf::object contr pay_amount pay_player map	3215	cf::object
		3216	contr pay_amount pay_player map x y force_find force_add destroy
		3217	insert remove name archname title slaying race decrease split
		3218	value
		3219
2099	cf::object::player player	3220	cf::object::player
2100	cf::player peaceful	3221	player
2101	cf::map trigger	3222
		3223	cf::player
		3224	peaceful
		3225
		3226	cf::map
		3227	trigger
2102		3228
2103	=cut	3229	=cut
2104		3230
2105	for (	3231	for (
2106	["cf::object" => qw(contr pay_amount pay_player map)],	3232	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3233	insert remove inv nrof name archname title slaying race
		3234	decrease split destroy change_exp value msg lore send_msg)],
2107	["cf::object::player" => qw(player)],	3235	["cf::object::player" => qw(player)],
2108	["cf::player" => qw(peaceful)],	3236	["cf::player" => qw(peaceful send_msg)],
2109	["cf::map" => qw(trigger)],	3237	["cf::map" => qw(trigger)],
2110	) {	3238	) {
2111	no strict 'refs';	3239	no strict 'refs';
2112	my ($pkg, @funs) = @$_;	3240	my ($pkg, @funs) = @$_;
2113	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3241	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2131		3259
2132	my $qcode = $code;	3260	my $qcode = $code;
2133	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3261	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2134	$qcode =~ s/\n/\\n/g;	3262	$qcode =~ s/\n/\\n/g;
2135		3263
		3264	%vars = (_dummy => 0) unless %vars;
		3265
		3266	my @res;
2136	local $_;	3267	local $_;
2137	local @safe::cf::_safe_eval_args = values %vars;
2138		3268
2139	my $eval =	3269	my $eval =
2140	"do {\n"	3270	"do {\n"
2141	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3271	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2142	. "#line 0 \"{$qcode}\"\n"	3272	. "#line 0 \"{$qcode}\"\n"
2143	. $code	3273	. $code
2144	. "\n}"	3274	. "\n}"
2145	;	3275	;
2146		3276
		3277	if ($CFG{safe_eval}) {
2147	sub_generation_inc;	3278	sub_generation_inc;
		3279	local @safe::cf::_safe_eval_args = values %vars;
2148	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3280	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2149	sub_generation_inc;	3281	sub_generation_inc;
		3282	} else {
		3283	local @cf::_safe_eval_args = values %vars;
		3284	@res = wantarray ? eval eval : scalar eval $eval;
		3285	}
2150		3286
2151	if ($@) {	3287	if ($@) {
2152	warn "$@";	3288	warn "$@";
2153	warn "while executing safe code '$code'\n";	3289	warn "while executing safe code '$code'\n";
2154	warn "with arguments " . (join " ", %vars) . "\n";	3290	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2173	=cut	3309	=cut
2174		3310
2175	sub register_script_function {	3311	sub register_script_function {
2176	my ($fun, $cb) = @_;	3312	my ($fun, $cb) = @_;
2177		3313
2178	no strict 'refs';	3314	$fun = "safe::$fun" if $CFG{safe_eval};
2179	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3315	*$fun = $safe_hole->wrap ($cb);
2180	}	3316	}
2181		3317
2182	=back	3318	=back
2183		3319
2184	=cut	3320	=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		3321
2258	#############################################################################	3322	#############################################################################
2259	# the server's init and main functions	3323	# the server's init and main functions
2260		3324
		3325	sub load_facedata($) {
		3326	my ($path) = @_;
		3327
		3328	# HACK to clear player env face cache, we need some signal framework
		3329	# for this (global event?)
		3330	%ext::player_env::MUSIC_FACE_CACHE = ();
		3331
		3332	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3333
		3334	warn "loading facedata from $path\n";
		3335
		3336	my $facedata;
		3337	0 < aio_load $path, $facedata
		3338	or die "$path: $!";
		3339
		3340	$facedata = Coro::Storable::thaw $facedata;
		3341
		3342	$facedata->{version} == 2
		3343	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3344
		3345	# patch in the exptable
		3346	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3347	$facedata->{resource}{"res/exp_table"} = {
		3348	type => FT_RSRC,
		3349	data => $exp_table,
		3350	hash => (Digest::MD5::md5 $exp_table),
		3351	};
		3352	cf::cede_to_tick;
		3353
		3354	{
		3355	my $faces = $facedata->{faceinfo};
		3356
		3357	while (my ($face, $info) = each %$faces) {
		3358	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3359
		3360	cf::face::set_visibility $idx, $info->{visibility};
		3361	cf::face::set_magicmap $idx, $info->{magicmap};
		3362	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3363	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3364
		3365	cf::cede_to_tick;
		3366	}
		3367
		3368	while (my ($face, $info) = each %$faces) {
		3369	next unless $info->{smooth};
		3370
		3371	my $idx = cf::face::find $face
		3372	or next;
		3373
		3374	if (my $smooth = cf::face::find $info->{smooth}) {
		3375	cf::face::set_smooth $idx, $smooth;
		3376	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3377	} else {
		3378	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3379	}
		3380
		3381	cf::cede_to_tick;
		3382	}
		3383	}
		3384
		3385	{
		3386	my $anims = $facedata->{animinfo};
		3387
		3388	while (my ($anim, $info) = each %$anims) {
		3389	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3390	cf::cede_to_tick;
		3391	}
		3392
		3393	cf::anim::invalidate_all; # d'oh
		3394	}
		3395
		3396	{
		3397	my $res = $facedata->{resource};
		3398
		3399	while (my ($name, $info) = each %$res) {
		3400	if (defined $info->{type}) {
		3401	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3402
		3403	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3404	cf::face::set_type $idx, $info->{type};
		3405	} else {
		3406	$RESOURCE{$name} = $info;
		3407	}
		3408
		3409	cf::cede_to_tick;
		3410	}
		3411	}
		3412
		3413	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3414
		3415	1
		3416	}
		3417
		3418	cf::global->attach (on_resource_update => sub {
		3419	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3420	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3421
		3422	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3423	my $sound = $soundconf->{compat}[$_]
		3424	or next;
		3425
		3426	my $face = cf::face::find "sound/$sound->[1]";
		3427	cf::sound::set $sound->[0] => $face;
		3428	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3429	}
		3430
		3431	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3432	my $face = cf::face::find "sound/$v";
		3433	cf::sound::set $k => $face;
		3434	}
		3435	}
		3436	});
		3437
		3438	register_exticmd fx_want => sub {
		3439	my ($ns, $want) = @_;
		3440
		3441	while (my ($k, $v) = each %$want) {
		3442	$ns->fx_want ($k, $v);
		3443	}
		3444	};
		3445
2261	sub load_resources {	3446	sub load_resource_file($) {
2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3447	my $guard = lock_acquire "load_resource_file";
		3448
		3449	my $status = load_resource_file_ $_[0];
		3450	get_slot 0.1, 100;
		3451	cf::arch::commit_load;
		3452
		3453	$status
		3454	}
		3455
		3456	sub reload_regions {
		3457	# HACK to clear player env face cache, we need some signal framework
		3458	# for this (global event?)
		3459	%ext::player_env::MUSIC_FACE_CACHE = ();
		3460
		3461	load_resource_file "$MAPDIR/regions"
2263	or die "unable to load regions file\n";#d#	3462	or die "unable to load regions file\n";
2264	}
2265		3463
2266	sub cfg_load {	3464	for (cf::region::list) {
		3465	$_->{match} = qr/$_->{match}/
		3466	if exists $_->{match};
		3467	}
		3468	}
		3469
		3470	sub reload_facedata {
		3471	load_facedata "$DATADIR/facedata"
		3472	or die "unable to load facedata\n";
		3473	}
		3474
		3475	sub reload_archetypes {
		3476	load_resource_file "$DATADIR/archetypes"
		3477	or die "unable to load archetypes\n";
		3478	}
		3479
		3480	sub reload_treasures {
		3481	load_resource_file "$DATADIR/treasures"
		3482	or die "unable to load treasurelists\n";
		3483	}
		3484
		3485	sub reload_resources {
		3486	warn "reloading resource files...\n";
		3487
		3488	reload_facedata;
		3489	reload_archetypes;
		3490	reload_regions;
		3491	reload_treasures;
		3492
		3493	warn "finished reloading resource files\n";
		3494	}
		3495
		3496	sub reload_config {
		3497	warn "reloading config file...\n";
		3498
2267	open my $fh, "<:utf8", cf::confdir . "/config"	3499	open my $fh, "<:utf8", "$CONFDIR/config"
2268	or return;	3500	or return;
2269		3501
2270	local $/;	3502	local $/;
2271	*CFG = YAML::Syck::Load <$fh>;	3503	*CFG = YAML::XS::Load scalar <$fh>;
2272		3504
2273	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3505	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2274		3506
2275	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3507	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2276	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3508	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2280	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3512	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2281	and die "WARNING: m(un)lockall failed: $!\n";	3513	and die "WARNING: m(un)lockall failed: $!\n";
2282	};	3514	};
2283	warn $@ if $@;	3515	warn $@ if $@;
2284	}	3516	}
2285	}
2286		3517
2287	sub init {	3518	warn "finished reloading resource files\n";
2288	load_resources;	3519	}
		3520
		3521	sub pidfile() {
		3522	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3523	or die "$PIDFILE: $!";
		3524	flock $fh, &Fcntl::LOCK_EX
		3525	or die "$PIDFILE: flock: $!";
		3526	$fh
		3527	}
		3528
		3529	# make sure only one server instance is running at any one time
		3530	sub atomic {
		3531	my $fh = pidfile;
		3532
		3533	my $pid = <$fh>;
		3534	kill 9, $pid if $pid > 0;
		3535
		3536	seek $fh, 0, 0;
		3537	print $fh $$;
		3538	}
		3539
		3540	sub main_loop {
		3541	warn "EV::loop starting\n";
		3542	if (1) {
		3543	EV::loop;
		3544	}
		3545	warn "EV::loop returned\n";
		3546	goto &main_loop unless $REALLY_UNLOOP;
2289	}	3547	}
2290		3548
2291	sub main {	3549	sub main {
		3550	cf::init_globals; # initialise logging
		3551
		3552	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3553	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3554	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3555	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3556
		3557	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3558
2292	# we must not ever block the main coroutine	3559	# we must not ever block the main coroutine
2293	local $Coro::idle = sub {	3560	local $Coro::idle = sub {
2294	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3561	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2295	(async {	3562	(async {
2296	Event::one_event;	3563	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3564	EV::loop EV::LOOP_ONESHOT;
2297	})->prio (Coro::PRIO_MAX);	3565	})->prio (Coro::PRIO_MAX);
2298	};	3566	};
2299		3567
2300	cfg_load;	3568	evthread_start IO::AIO::poll_fileno;
		3569
		3570	cf::sync_job {
		3571	cf::init_experience;
		3572	cf::init_anim;
		3573	cf::init_attackmess;
		3574	cf::init_dynamic;
		3575
		3576	cf::load_settings;
		3577	cf::load_materials;
		3578
		3579	reload_resources;
		3580	reload_config;
2301	db_init;	3581	db_init;
		3582
		3583	cf::init_uuid;
		3584	cf::init_signals;
		3585	cf::init_skills;
		3586
		3587	cf::init_beforeplay;
		3588
		3589	atomic;
		3590
2302	load_extensions;	3591	load_extensions;
2303		3592
2304	$TICK_WATCHER->start;	3593	utime time, time, $RUNTIMEFILE;
2305	$WRITE_RUNTIME_WATCHER->start;	3594
2306	Event::loop;	3595	# no (long-running) fork's whatsoever before this point(!)
		3596	use POSIX ();
		3597	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3598
		3599	(pop @POST_INIT)->(0) while @POST_INIT;
		3600	};
		3601
		3602	cf::object::thawer::errors_are_fatal 0;
		3603	warn "parse errors in files are no longer fatal from this point on.\n";
		3604
		3605	main_loop;
2307	}	3606	}
2308		3607
2309	#############################################################################	3608	#############################################################################
2310	# initialisation and cleanup	3609	# initialisation and cleanup
2311		3610
2312	# install some emergency cleanup handlers	3611	# install some emergency cleanup handlers
2313	BEGIN {	3612	BEGIN {
		3613	our %SIGWATCHER = ();
2314	for my $signal (qw(INT HUP TERM)) {	3614	for my $signal (qw(INT HUP TERM)) {
2315	Event->signal (	3615	$SIGWATCHER{$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";	3616	cf::cleanup "SIG$signal";
2322	},
2323	);	3617	};
		3618	}
		3619	}
		3620
		3621	sub write_runtime_sync {
		3622	my $t0 = AE::time;
		3623
		3624	# first touch the runtime file to show we are still running:
		3625	# the fsync below can take a very very long time.
		3626
		3627	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3628
		3629	my $guard = cf::lock_acquire "write_runtime";
		3630
		3631	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3632	or return;
		3633
		3634	my $value = $cf::RUNTIME + 90 + 10;
		3635	# 10 is the runtime save interval, for a monotonic clock
		3636	# 60 allows for the watchdog to kill the server.
		3637
		3638	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3639	and return;
		3640
		3641	# always fsync - this file is important
		3642	aio_fsync $fh
		3643	and return;
		3644
		3645	# touch it again to show we are up-to-date
		3646	aio_utime $fh, undef, undef;
		3647
		3648	close $fh
		3649	or return;
		3650
		3651	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3652	and return;
		3653
		3654	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3655
2324	}	3656	1
		3657	}
		3658
		3659	our $uuid_lock;
		3660	our $uuid_skip;
		3661
		3662	sub write_uuid_sync($) {
		3663	$uuid_skip ||= $_[0];
		3664
		3665	return if $uuid_lock;
		3666	local $uuid_lock = 1;
		3667
		3668	my $uuid = "$LOCALDIR/uuid";
		3669
		3670	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3671	or return;
		3672
		3673	my $value = uuid_seq uuid_cur;
		3674
		3675	unless ($value) {
		3676	warn "cowardly refusing to write zero uuid value!\n";
		3677	return;
		3678	}
		3679
		3680	my $value = uuid_str $value + $uuid_skip;
		3681	$uuid_skip = 0;
		3682
		3683	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3684	and return;
		3685
		3686	# always fsync - this file is important
		3687	aio_fsync $fh
		3688	and return;
		3689
		3690	close $fh
		3691	or return;
		3692
		3693	aio_rename "$uuid~", $uuid
		3694	and return;
		3695
		3696	warn "uuid file written ($value).\n";
		3697
		3698	1
		3699
		3700	}
		3701
		3702	sub write_uuid($$) {
		3703	my ($skip, $sync) = @_;
		3704
		3705	$sync ? write_uuid_sync $skip
		3706	: async { write_uuid_sync $skip };
2325	}	3707	}
2326		3708
2327	sub emergency_save() {	3709	sub emergency_save() {
2328	my $freeze_guard = cf::freeze_mainloop;	3710	my $freeze_guard = cf::freeze_mainloop;
2329		3711
2330	warn "enter emergency perl save\n";	3712	warn "emergency_perl_save: enter\n";
2331		3713
2332	cf::sync_job {	3714	cf::sync_job {
		3715	# this is a trade-off: we want to be very quick here, so
		3716	# save all maps without fsync, and later call a global sync
		3717	# (which in turn might be very very slow)
		3718	local $USE_FSYNC = 0;
		3719
2333	# use a peculiar iteration method to avoid tripping on perl	3720	# use a peculiar iteration method to avoid tripping on perl
2334	# refcount bugs in for. also avoids problems with players	3721	# refcount bugs in for. also avoids problems with players
2335	# and maps saved/destroyed asynchronously.	3722	# and maps saved/destroyed asynchronously.
2336	warn "begin emergency player save\n";	3723	warn "emergency_perl_save: begin player save\n";
2337	for my $login (keys %cf::PLAYER) {	3724	for my $login (keys %cf::PLAYER) {
2338	my $pl = $cf::PLAYER{$login} or next;	3725	my $pl = $cf::PLAYER{$login} or next;
2339	$pl->valid or next;	3726	$pl->valid or next;
		3727	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2340	$pl->save;	3728	$pl->save;
2341	}	3729	}
2342	warn "end emergency player save\n";	3730	warn "emergency_perl_save: end player save\n";
2343		3731
2344	warn "begin emergency map save\n";	3732	warn "emergency_perl_save: begin map save\n";
2345	for my $path (keys %cf::MAP) {	3733	for my $path (keys %cf::MAP) {
2346	my $map = $cf::MAP{$path} or next;	3734	my $map = $cf::MAP{$path} or next;
2347	$map->valid or next;	3735	$map->valid or next;
2348	$map->save;	3736	$map->save;
2349	}	3737	}
2350	warn "end emergency map save\n";	3738	warn "emergency_perl_save: end map save\n";
2351		3739
2352	warn "begin emergency database checkpoint\n";	3740	warn "emergency_perl_save: begin database checkpoint\n";
2353	BDB::db_env_txn_checkpoint $DB_ENV;	3741	BDB::db_env_txn_checkpoint $DB_ENV;
2354	warn "end emergency database checkpoint\n";	3742	warn "emergency_perl_save: end database checkpoint\n";
		3743
		3744	warn "emergency_perl_save: begin write uuid\n";
		3745	write_uuid_sync 1;
		3746	warn "emergency_perl_save: end write uuid\n";
2355	};	3747	};
2356		3748
		3749	warn "emergency_perl_save: starting sync()\n";
		3750	IO::AIO::aio_sync sub {
		3751	warn "emergency_perl_save: finished sync()\n";
		3752	};
		3753
2357	warn "leave emergency perl save\n";	3754	warn "emergency_perl_save: leave\n";
2358	}	3755	}
2359		3756
2360	sub post_cleanup {	3757	sub post_cleanup {
2361	my ($make_core) = @_;	3758	my ($make_core) = @_;
2362		3759
2363	warn Carp::longmess "post_cleanup backtrace"	3760	warn Carp::longmess "post_cleanup backtrace"
2364	if $make_core;	3761	if $make_core;
2365	}
2366		3762
		3763	my $fh = pidfile;
		3764	unlink $PIDFILE if <$fh> == $$;
		3765	}
		3766
		3767	# a safer delete_package, copied from Symbol
		3768	sub clear_package($) {
		3769	my $pkg = shift;
		3770
		3771	# expand to full symbol table name if needed
		3772	unless ($pkg =~ /^main::.*::$/) {
		3773	$pkg = "main$pkg" if $pkg =~ /^::/;
		3774	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3775	$pkg .= '::' unless $pkg =~ /::$/;
		3776	}
		3777
		3778	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3779	my $stem_symtab = *{$stem}{HASH};
		3780
		3781	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3782	or return;
		3783
		3784	# clear all symbols
		3785	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3786	for my $name (keys %$leaf_symtab) {
		3787	_gv_clear *{"$pkg$name"};
		3788	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3789	}
		3790	}
		3791
2367	sub reload() {	3792	sub do_reload_perl() {
2368	# can/must only be called in main	3793	# can/must only be called in main
2369	if ($Coro::current != $Coro::main) {	3794	if ($Coro::current != $Coro::main) {
2370	warn "can only reload from main coroutine";	3795	warn "can only reload from main coroutine";
2371	return;	3796	return;
2372	}	3797	}
2373		3798
		3799	return if $RELOAD++;
		3800
		3801	my $t1 = AE::time;
		3802
		3803	while ($RELOAD) {
2374	warn "reloading...";	3804	warn "reloading...";
2375		3805
2376	warn "entering sync_job";	3806	warn "entering sync_job";
2377		3807
2378	cf::sync_job {	3808	cf::sync_job {
2379	cf::write_runtime;	3809	cf::write_runtime_sync; # external watchdog should not bark
2380	cf::emergency_save;	3810	cf::emergency_save;
2381	cf::write_runtime;	3811	cf::write_runtime_sync; # external watchdog should not bark
2382		3812
2383	warn "syncing database to disk";	3813	warn "syncing database to disk";
2384	BDB::db_env_txn_checkpoint $DB_ENV;	3814	BDB::db_env_txn_checkpoint $DB_ENV;
2385		3815
2386	# if anything goes wrong in here, we should simply crash as we already saved	3816	# if anything goes wrong in here, we should simply crash as we already saved
2387		3817
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";	3818	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;	3819	while (IO::AIO::nreqs || BDB::nreqs) {
2399	warn "iterate...";	3820	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	}	3821	}
2422		3822
2423	warn "... nuking $pkg";	3823	warn "cancelling all extension coros";
2424	Symbol::delete_package $pkg;	3824	$_->cancel for values %EXT_CORO;
2425	}	3825	%EXT_CORO = ();
2426		3826
2427	warn "unloading all perl modules loaded from $LIBDIR";	3827	warn "removing commands";
2428	while (my ($k, $v) = each %INC) {	3828	%COMMAND = ();
2429	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2430		3829
		3830	warn "removing ext/exti commands";
		3831	%EXTCMD = ();
		3832	%EXTICMD = ();
		3833
		3834	warn "unloading/nuking all extensions";
		3835	for my $pkg (@EXTS) {
2431	warn "... unloading $k";	3836	warn "... unloading $pkg";
2432	delete $INC{$k};
2433		3837
2434	$k =~ s/\.pm$//;
2435	$k =~ s/\//::/g;
2436
2437	if (my $cb = $k->can ("unload_module")) {	3838	if (my $cb = $pkg->can ("unload")) {
		3839	eval {
2438	$cb->();	3840	$cb->($pkg);
		3841	1
		3842	} or warn "$pkg unloaded, but with errors: $@";
		3843	}
		3844
		3845	warn "... clearing $pkg";
		3846	clear_package $pkg;
2439	}	3847	}
2440		3848
2441	Symbol::delete_package $k;	3849	warn "unloading all perl modules loaded from $LIBDIR";
		3850	while (my ($k, $v) = each %INC) {
		3851	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3852
		3853	warn "... unloading $k";
		3854	delete $INC{$k};
		3855
		3856	$k =~ s/\.pm$//;
		3857	$k =~ s/\//::/g;
		3858
		3859	if (my $cb = $k->can ("unload_module")) {
		3860	$cb->();
		3861	}
		3862
		3863	clear_package $k;
2442	}	3864	}
2443		3865
2444	warn "getting rid of safe::, as good as possible";	3866	warn "getting rid of safe::, as good as possible";
2445	Symbol::delete_package "safe::$_"	3867	clear_package "safe::$_"
2446	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3868	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2447		3869
2448	warn "unloading cf.pm \"a bit\"";	3870	warn "unloading cf.pm \"a bit\"";
2449	delete $INC{"cf.pm"};	3871	delete $INC{"cf.pm"};
		3872	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2450		3873
2451	# don't, removes xs symbols, too,	3874	# don't, removes xs symbols, too,
2452	# and global variables created in xs	3875	# and global variables created in xs
2453	#Symbol::delete_package __PACKAGE__;	3876	#clear_package __PACKAGE__;
2454		3877
2455	warn "unload completed, starting to reload now";	3878	warn "unload completed, starting to reload now";
2456		3879
2457	warn "reloading cf.pm";	3880	warn "reloading cf.pm";
2458	require cf;	3881	require cf;
2459	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3882	cf::_connect_to_perl_1;
2460		3883
2461	warn "loading config and database again";	3884	warn "loading config and database again";
2462	cf::cfg_load;	3885	cf::reload_config;
2463		3886
2464	warn "loading extensions";	3887	warn "loading extensions";
2465	cf::load_extensions;	3888	cf::load_extensions;
2466		3889
		3890	if ($REATTACH_ON_RELOAD) {
2467	warn "reattaching attachments to objects/players";	3891	warn "reattaching attachments to objects/players";
2468	_global_reattach;	3892	_global_reattach; # objects, sockets
2469	warn "reattaching attachments to maps";	3893	warn "reattaching attachments to maps";
2470	reattach $_ for values %MAP;	3894	reattach $_ for values %MAP;
		3895	warn "reattaching attachments to players";
		3896	reattach $_ for values %PLAYER;
		3897	}
2471		3898
2472	warn "loading reloadable resources";	3899	warn "running post_init jobs";
2473	load_resources;	3900	(pop @POST_INIT)->(1) while @POST_INIT;
2474		3901
2475	warn "leaving sync_job";	3902	warn "leaving sync_job";
2476		3903
2477	1	3904	1
2478	} or do {	3905	} or do {
2479	warn $@;	3906	warn $@;
2480	warn "error while reloading, exiting.";	3907	cf::cleanup "error while reloading, exiting.";
2481	exit 1;	3908	};
		3909
		3910	warn "reloaded";
		3911	--$RELOAD;
		3912	}
		3913
		3914	$t1 = AE::time - $t1;
		3915	warn "reload completed in ${t1}s\n";
		3916	};
		3917
		3918	our $RELOAD_WATCHER; # used only during reload
		3919
		3920	sub reload_perl() {
		3921	# doing reload synchronously and two reloads happen back-to-back,
		3922	# coro crashes during coro_state_free->destroy here.
		3923
		3924	$RELOAD_WATCHER ||= cf::async {
		3925	Coro::AIO::aio_wait cache_extensions;
		3926
		3927	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3928	do_reload_perl;
		3929	undef $RELOAD_WATCHER;
		3930	};
2482	};	3931	};
2483		3932	}
2484	warn "reloaded";
2485	};
2486
2487	our $RELOAD_WATCHER; # used only during reload
2488		3933
2489	register_command "reload" => sub {	3934	register_command "reload" => sub {
2490	my ($who, $arg) = @_;	3935	my ($who, $arg) = @_;
2491		3936
2492	if ($who->flag (FLAG_WIZ)) {	3937	if ($who->flag (FLAG_WIZ)) {
2493	$who->message ("reloading server.");	3938	$who->message ("reloading server.");
2494		3939	async {
2495	# doing reload synchronously and two reloads happen back-to-back,	3940	$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;	3941	reload_perl;
2504	undef $RELOAD_WATCHER;
2505	},
2506	);	3942	};
2507	}	3943	}
2508	};	3944	};
2509		3945
2510	unshift @INC, $LIBDIR;	3946	unshift @INC, $LIBDIR;
2511		3947
2512	my $bug_warning = 0;	3948	my $bug_warning = 0;
2513		3949
2514	$TICK_WATCHER = Event->timer (	3950	our @WAIT_FOR_TICK;
2515	reentrant => 0,	3951	our @WAIT_FOR_TICK_BEGIN;
2516	parked => 1,	3952
2517	prio => 0,	3953	sub wait_for_tick {
2518	at => $NEXT_TICK || $TICK,	3954	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2519	data => WF_AUTOCANCEL,	3955
2520	cb => sub {	3956	my $signal = new Coro::Signal;
		3957	push @WAIT_FOR_TICK, $signal;
		3958	$signal->wait;
		3959	}
		3960
		3961	sub wait_for_tick_begin {
		3962	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3963
		3964	my $signal = new Coro::Signal;
		3965	push @WAIT_FOR_TICK_BEGIN, $signal;
		3966	$signal->wait;
		3967	}
		3968
		3969	sub tick {
2521	if ($Coro::current != $Coro::main) {	3970	if ($Coro::current != $Coro::main) {
2522	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3971	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2523	unless ++$bug_warning > 10;	3972	unless ++$bug_warning > 10;
2524	return;	3973	return;
2525	}	3974	}
2526		3975
2527	$NOW = Event::time;
2528
2529	cf::server_tick; # one server iteration	3976	cf::server_tick; # one server iteration
2530	$RUNTIME += $TICK;
2531	$NEXT_TICK += $TICK;
2532		3977
2533	$WAIT_FOR_TICK->broadcast;	3978	#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		3979
2536	# my $AFTER = Event::time;	3980	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2537	# warn $AFTER - $NOW;#d#	3981	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2538		3982	Coro::async_pool {
2539	# if we are delayed by four ticks or more, skip them all	3983	$Coro::current->{desc} = "runtime saver";
2540	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3984	write_runtime_sync
2541		3985	or warn "ERROR: unable to write runtime file: $!";
2542	$TICK_WATCHER->at ($NEXT_TICK);	3986	};
2543	$TICK_WATCHER->start;
2544	},	3987	}
2545	);	3988
		3989	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3990	$sig->send;
		3991	}
		3992	while (my $sig = shift @WAIT_FOR_TICK) {
		3993	$sig->send;
		3994	}
		3995
		3996	$LOAD = ($NOW - $TICK_START) / $TICK;
		3997	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3998
		3999	if (0) {
		4000	if ($NEXT_TICK) {
		4001	my $jitter = $TICK_START - $NEXT_TICK;
		4002	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4003	warn "jitter $JITTER\n";#d#
		4004	}
		4005	}
		4006	}
2546		4007
2547	{	4008	{
2548	BDB::max_poll_time $TICK * 0.1;	4009	# configure BDB
2549	$BDB_POLL_WATCHER = Event->io (	4010
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;	4011	BDB::min_parallel 16;
2558		4012	BDB::max_poll_reqs $TICK * 0.1;
2559	BDB::set_sync_prepare {	4013	$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	$! = $status;
2570	},
2571	)
2572	};
2573		4014
2574	unless ($DB_ENV) {	4015	unless ($DB_ENV) {
2575	$DB_ENV = BDB::db_env_create;	4016	$DB_ENV = BDB::db_env_create;
		4017	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4018	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4019	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4020	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4021	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2576		4022
2577	cf::sync_job {	4023	cf::sync_job {
2578	eval {	4024	eval {
2579	BDB::db_env_open	4025	BDB::db_env_open
2580	$DB_ENV,	4026	$DB_ENV,
2581	$BDB_ENV_DIR,	4027	$BDBDIR,
2582	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2583	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2584	0666;	4030	0666;
2585		4031
2586	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4032	cf::cleanup "db_env_open($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	};	4033	};
2591		4034
2592	cf::cleanup "db_env_open(db): $@" if $@;	4035	cf::cleanup "db_env_open(db): $@" if $@;
2593	};	4036	};
2594	}	4037	}
		4038
		4039	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4040	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4041	};
		4042	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4043	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4044	};
		4045	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4046	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4047	};
2595	}	4048	}
2596		4049
2597	{	4050	{
		4051	# configure IO::AIO
		4052
2598	IO::AIO::min_parallel 8;	4053	IO::AIO::min_parallel 8;
2599
2600	undef $Coro::AIO::WATCHER;
2601	IO::AIO::max_poll_time $TICK * 0.1;	4054	IO::AIO::max_poll_time $TICK * 0.1;
2602	$AIO_POLL_WATCHER = Event->io (	4055	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	}	4056	}
2611		4057
2612	$WRITE_RUNTIME_WATCHER = Event->timer (	4058	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	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
2621		4059
2622	Coro::async_pool {	4060	sub _log_backtrace {
2623	write_runtime	4061	my ($msg, @addr) = @_;
2624	or warn "ERROR: unable to write runtime file: $!";	4062
		4063	$msg =~ s/\n//;
		4064
		4065	# limit the # of concurrent backtraces
		4066	if ($_log_backtrace < 2) {
		4067	++$_log_backtrace;
		4068	my $perl_bt = Carp::longmess $msg;
		4069	async {
		4070	$Coro::current->{desc} = "abt $msg";
		4071
		4072	my @bt = fork_call {
		4073	@addr = map { sprintf "%x", $_ } @addr;
		4074	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4075	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4076	or die "addr2line: $!";
		4077
		4078	my @funcs;
		4079	my @res = <$fh>;
		4080	chomp for @res;
		4081	while (@res) {
		4082	my ($func, $line) = splice @res, 0, 2, ();
		4083	push @funcs, "[$func] $line";
		4084	}
		4085
		4086	@funcs
		4087	};
		4088
		4089	LOG llevInfo, "[ABT] $perl_bt\n";
		4090	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4091	LOG llevInfo, "[ABT] $_\n" for @bt;
		4092	--$_log_backtrace;
2625	};	4093	};
		4094	} else {
		4095	LOG llevInfo, "[ABT] $msg\n";
		4096	LOG llevInfo, "[ABT] [suppressed]\n";
2626	},	4097	}
2627	);	4098	}
		4099
		4100	# load additional modules
		4101	require "cf/$_.pm" for @EXTRA_MODULES;
		4102	cf::_connect_to_perl_2;
2628		4103
2629	END { cf::emergency_save }	4104	END { cf::emergency_save }
2630		4105
2631	1	4106	1
2632		4107

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