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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.235 by root, Tue Apr 10 09:35:23 2007 UTC vs.
Revision 1.531 by root, Wed Apr 28 21:07:41 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;
9	use Event;	32	use EV;
10	use Opcode;	33	use Opcode;
11	use Safe;	34	use Safe;
12	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
13		38
		39	use Guard ();
14	use Coro 3.52 ();	40	use Coro ();
15	use Coro::State;	41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
16	use Coro::Event;	44	use Coro::AnyEvent;
17	use Coro::Timer;	45	use Coro::Timer;
18	use Coro::Signal;	46	use Coro::Signal;
19	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
20	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
21		54
		55	use JSON::XS 2.01 ();
22	use BDB ();	56	use BDB ();
23	use Data::Dumper;	57	use Data::Dumper;
24	use Digest::MD5;
25	use Fcntl;	58	use Fcntl;
26	use YAML::Syck ();	59	use YAML::XS ();
27	use IO::AIO 2.32 ();	60	use IO::AIO ();
28	use Time::HiRes;	61	use Time::HiRes;
29	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
30		66
31	# configure various modules to our taste	67	# configure various modules to our taste
32	#	68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
34	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
35		77
36	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
37		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		80
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
44		82
45	our %COMMAND = ();	83	our %COMMAND = ();
46	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
47		85
48	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
52		91
53	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
54	our @EVENT;	93	our @EVENT;
55	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
56		96
57	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	98	our $DATADIR = datadir;
59	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
		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; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	121	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
64		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
65	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
67		130
68	our %CFG;	131	our %CFG;
69		132
70	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
72		136
73	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		140
82	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
		153
85	binmode STDOUT;	154	binmode STDOUT;
86	binmode STDERR;	155	binmode STDERR;
87		156
88	# read virtual server time, if available	157	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
93	}	162	}
94		163
95	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
96	mkdir cf::localdir . "/" . cf::playerdir;	165
97	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
98	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		168
102	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
103		170
104	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
105		187
106	#############################################################################	188	#############################################################################
107		189
108	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
109		191
…		…
116	=item $cf::RUNTIME	198	=item $cf::RUNTIME
117		199
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	200	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	201	every server tick.
120		202
121	=item $cf::LIBDIR	203	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		204	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		205	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		206
123	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	208	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		209	unique-items directory, player file directory, random maps directory and
		210	database environment.
125		211
126	=item $cf::NOW	212	=item $cf::NOW
127		213
128	The time of the last (current) server tick.	214	The time of the last (current) server tick.
129		215
130	=item $cf::TICK	216	=item $cf::TICK
131		217
132	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
133		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
134	=item %cf::CFG	230	=item %cf::CFG
135		231
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	233	from wherever your confdir points to.
138		234
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		236
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	238	returns directly I<after> the tick processing (and consequently, can only wake one process
143	processing has been done. Call C<< ->wait >> on them to maximise the	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.	240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
145		252
146	=back	253	=back
147		254
148	=cut	255	=cut
149		256
150	BEGIN {	257	$Coro::State::WARNHOOK = sub {
151	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	258	my $msg = join "", @_;
153	utf8::encode $msg;
154		259
155	$msg .= "\n"	260	$msg .= "\n"
156	unless $msg =~ /\n$/;	261	unless $msg =~ /\n$/;
157		262
		263	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		264
158	LOG llevError, $msg;	265	LOG llevError, $msg;
159	};	266	};
160	}	267
		268	$Coro::State::DIEHOOK = sub {
		269	return unless $^S eq 0; # "eq", not "=="
		270
		271	warn Carp::longmess $_[0];
		272
		273	if (in_main) {#d#
		274	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		275	return;#d#
		276	}#d#
		277
		278	# kill coroutine otherwise
		279	Coro::terminate
		280	};
161		281
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	282	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	283	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	284	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	285	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	286	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		287	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	288	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		289
169	# we bless all objects into (empty) derived classes to force a method lookup	290	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	291	# within the Safe compartment.
171	for my $pkg (qw(	292	for my $pkg (qw(
172	cf::global cf::attachable	293	cf::global cf::attachable
173	cf::object cf::object::player	294	cf::object cf::object::player
174	cf::client cf::player	295	cf::client cf::player
175	cf::arch cf::living	296	cf::arch cf::living
		297	cf::map cf::mapspace
176	cf::map cf::party cf::region	298	cf::party cf::region
177	)) {	299	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	300	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	301	}
181		302
182	$Event::DIED = sub {	303	$EV::DIED = sub {
183	warn "error in event callback: @_";	304	Carp::cluck "error in event callback: @_";
184	};	305	};
		306
		307	#############################################################################
185		308
186	=head2 UTILITY FUNCTIONS	309	=head2 UTILITY FUNCTIONS
187		310
188	=over 4	311	=over 4
189		312
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	331	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	332	$d
210	} || "[unable to dump $_[0]: '$@']";	333	} || "[unable to dump $_[0]: '$@']";
211	}	334	}
212		335
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	336	=item $ref = cf::decode_json $json
216		337
217	Converts a JSON string into the corresponding perl data structure.	338	Converts a JSON string into the corresponding perl data structure.
218		339
219	=item $json = cf::to_json $ref	340	=item $json = cf::encode_json $ref
220		341
221	Converts a perl data structure into its JSON representation.	342	Converts a perl data structure into its JSON representation.
222		343
		344	=cut
		345
		346	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		347
		348	sub encode_json($) { $json_coder->encode ($_[0]) }
		349	sub decode_json($) { $json_coder->decode ($_[0]) }
		350
		351	=item cf::post_init { BLOCK }
		352
		353	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		354	but I<before> the server starts ticking again.
		355
		356	The cdoeblock will have a single boolean argument to indicate whether this
		357	is a reload or not.
		358
		359	=cut
		360
		361	sub post_init(&) {
		362	push @POST_INIT, shift;
		363	}
		364
223	=item cf::lock_wait $string	365	=item cf::lock_wait $string
224		366
225	Wait until the given lock is available. See cf::lock_acquire.	367	Wait until the given lock is available. See cf::lock_acquire.
226		368
227	=item my $lock = cf::lock_acquire $string	369	=item my $lock = cf::lock_acquire $string
228		370
229	Wait until the given lock is available and then acquires it and returns	371	Wait until the given lock is available and then acquires it and returns
230	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	372	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
231	for example when the coroutine gets canceled), the lock is automatically	373	for example when the coroutine gets canceled), the lock is automatically
232	returned.	374	returned.
233		375
		376	Locks are *not* recursive, locking from the same coro twice results in a
		377	deadlocked coro.
		378
234	Lock names should begin with a unique identifier (for example, cf::map::find	379	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	380	uses map_find and cf::map::load uses map_load).
236		381
237	=cut	382	=item $locked = cf::lock_active $string
238		383
239	our %LOCK;	384	Return true if the lock is currently active, i.e. somebody has locked it.
		385
		386	=cut
		387
		388	our $LOCKS = new Coro::SemaphoreSet;
240		389
241	sub lock_wait($) {	390	sub lock_wait($) {
242	my ($key) = @_;	391	$LOCKS->wait ($_[0]);
243
244	# wait for lock, if any
245	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;
248	}
249	}	392	}
250		393
251	sub lock_acquire($) {	394	sub lock_acquire($) {
252	my ($key) = @_;	395	$LOCKS->guard ($_[0])
		396	}
253		397
254	# wait, to be sure we are not locked	398	sub lock_active($) {
255	lock_wait $key;	399	$LOCKS->count ($_[0]) < 1
256
257	$LOCK{$key} = [];
258
259	Coro::guard {
260	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };
262	}
263	}	400	}
264		401
265	sub freeze_mainloop {	402	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	403	tick_inhibit_inc;
267		404
268	my $guard = Coro::guard {	405	&Guard::guard (\&tick_inhibit_dec);
269	$TICK_WATCHER->start;	406	}
		407
		408	=item cf::periodic $interval, $cb
		409
		410	Like EV::periodic, but randomly selects a starting point so that the actions
		411	get spread over time.
		412
		413	=cut
		414
		415	sub periodic($$) {
		416	my ($interval, $cb) = @_;
		417
		418	my $start = rand List::Util::min 180, $interval;
		419
		420	EV::periodic $start, $interval, 0, $cb
		421	}
		422
		423	=item cf::get_slot $time[, $priority[, $name]]
		424
		425	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		426	This call blocks and returns only when you have at least C<$time> seconds
		427	of cpu time till the next tick. The slot is only valid till the next cede.
		428
		429	The optional C<$name> can be used to identify the job to run. It might be
		430	used for statistical purposes and should identify the same time-class.
		431
		432	Useful for short background jobs.
		433
		434	=cut
		435
		436	our @SLOT_QUEUE;
		437	our $SLOT_QUEUE;
		438	our $SLOT_DECAY = 0.9;
		439
		440	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		441	$SLOT_QUEUE = Coro::async {
		442	$Coro::current->desc ("timeslot manager");
		443
		444	my $signal = new Coro::Signal;
		445	my $busy;
		446
		447	while () {
		448	next_job:
		449
		450	my $avail = cf::till_tick;
		451
		452	for (0 .. $#SLOT_QUEUE) {
		453	if ($SLOT_QUEUE[$_][0] <= $avail) {
		454	$busy = 0;
		455	my $job = splice @SLOT_QUEUE, $_, 1, ();
		456	$job->[2]->send;
		457	Coro::cede;
		458	goto next_job;
		459	} else {
		460	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		461	}
		462	}
		463
		464	if (@SLOT_QUEUE) {
		465	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		466	push @cf::WAIT_FOR_TICK, $signal;
		467	$signal->wait;
		468	} else {
		469	$busy = 0;
		470	Coro::schedule;
		471	}
270	};	472	}
271	$TICK_WATCHER->stop;	473	};
272	$guard	474
		475	sub get_slot($;$$) {
		476	return if tick_inhibit || $Coro::current == $Coro::main;
		477
		478	my ($time, $pri, $name) = @_;
		479
		480	$time = clamp $time, 0.01, $TICK * .6;
		481
		482	my $sig = new Coro::Signal;
		483
		484	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		485	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		486	$SLOT_QUEUE->ready;
		487	$sig->wait;
273	}	488	}
274		489
275	=item cf::async { BLOCK }	490	=item cf::async { BLOCK }
276		491
277	Currently the same as Coro::async_pool, meaning you cannot use	492	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		497
283	BEGIN { *async = \&Coro::async_pool }	498	BEGIN { *async = \&Coro::async_pool }
284		499
285	=item cf::sync_job { BLOCK }	500	=item cf::sync_job { BLOCK }
286		501
287	The design of crossfire+ requires that the main coro ($Coro::main) is	502	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	503	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	504	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		505	acceptable.
290		506
291	If it must be done, put the blocking parts into C<sync_job>. This will run	507	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	508	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	509	server will be frozen during this time, so the block should either finish
294	fast or be very important.	510	fast or be very important.
…		…
297		513
298	sub sync_job(&) {	514	sub sync_job(&) {
299	my ($job) = @_;	515	my ($job) = @_;
300		516
301	if ($Coro::current == $Coro::main) {	517	if ($Coro::current == $Coro::main) {
		518	my $time = AE::time;
		519
302	# this is the main coro, too bad, we have to block	520	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	521	# till the operation succeeds, freezing the server :/
304		522
305	# TODO: use suspend/resume instead	523	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	524
307	my $freeze_guard = freeze_mainloop;	525	my $freeze_guard = freeze_mainloop;
308		526
309	my $busy = 1;	527	my $busy = 1;
310	my @res;	528	my @res;
311		529
312	(async {	530	(async {
		531	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	532	@res = eval { $job->() };
314	warn $@ if $@;	533	warn $@ if $@;
315	undef $busy;	534	undef $busy;
316	})->prio (Coro::PRIO_MAX);	535	})->prio (Coro::PRIO_MAX);
317		536
318	while ($busy) {	537	while ($busy) {
319	Coro::cede or Event::one_event;	538	if (Coro::nready) {
		539	Coro::cede_notself;
		540	} else {
		541	EV::loop EV::LOOP_ONESHOT;
320	}	542	}
		543	}
		544
		545	my $time = AE::time - $time;
		546
		547	$TICK_START += $time; # do not account sync jobs to server load
321		548
322	wantarray ? @res : $res[0]	549	wantarray ? @res : $res[0]
323	} else {	550	} else {
324	# we are in another coroutine, how wonderful, everything just works	551	# we are in another coroutine, how wonderful, everything just works
325		552
…		…
345	$EXT_CORO{$coro+0} = $coro;	572	$EXT_CORO{$coro+0} = $coro;
346		573
347	$coro	574	$coro
348	}	575	}
349		576
350	sub write_runtime {	577	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		578
353	my $runtime = cf::localdir . "/runtime";	579	Executes the given code block with the given arguments in a seperate
		580	process, returning the results. Everything must be serialisable with
		581	Coro::Storable. May, of course, block. Note that the executed sub may
		582	never block itself or use any form of event handling.
354		583
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	584	=cut
356	or return;
357		585
358	my $value = $cf::RUNTIME + 90 + 10;	586	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	587	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		588
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	589	# we seemingly have to make a local copy of the whole thing,
363	and return;	590	# otherwise perl prematurely frees the stuff :/
		591	# TODO: investigate and fix (likely this will be rather laborious)
364		592
365	# always fsync - this file is important	593	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	594	reset_signals;
367	and return;	595	&$cb
		596	}, @args;
368		597
369	close $fh	598	wantarray ? @res : $res[-1]
370	or return;	599	}
371		600
372	aio_rename "$runtime~", $runtime	601	sub objinfo {
373	and return;
374
375	1	602	(
		603	"counter value" => cf::object::object_count,
		604	"objects created" => cf::object::create_count,
		605	"objects destroyed" => cf::object::destroy_count,
		606	"freelist size" => cf::object::free_count,
		607	"allocated objects" => cf::object::objects_size,
		608	"active objects" => cf::object::actives_size,
		609	)
		610	}
		611
		612	=item $coin = coin_from_name $name
		613
		614	=cut
		615
		616	our %coin_alias = (
		617	"silver" => "silvercoin",
		618	"silvercoin" => "silvercoin",
		619	"silvercoins" => "silvercoin",
		620	"gold" => "goldcoin",
		621	"goldcoin" => "goldcoin",
		622	"goldcoins" => "goldcoin",
		623	"platinum" => "platinacoin",
		624	"platinumcoin" => "platinacoin",
		625	"platinumcoins" => "platinacoin",
		626	"platina" => "platinacoin",
		627	"platinacoin" => "platinacoin",
		628	"platinacoins" => "platinacoin",
		629	"royalty" => "royalty",
		630	"royalties" => "royalty",
		631	);
		632
		633	sub coin_from_name($) {
		634	$coin_alias{$_[0]}
		635	? cf::arch::find $coin_alias{$_[0]}
		636	: undef
		637	}
		638
		639	=item $value = cf::db_get $family => $key
		640
		641	Returns a single value from the environment database.
		642
		643	=item cf::db_put $family => $key => $value
		644
		645	Stores the given C<$value> in the family. It can currently store binary
		646	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		647
		648	=item $db = cf::db_table "name"
		649
		650	Create and/or open a new database table. The string must not be "db" and must be unique
		651	within each server.
		652
		653	=cut
		654
		655	sub db_table($) {
		656	my ($name) = @_;
		657	my $db = BDB::db_create $DB_ENV;
		658
		659	eval {
		660	$db->set_flags (BDB::CHKSUM);
		661
		662	utf8::encode $name;
		663	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		664	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		665	cf::cleanup "db_open(db): $!" if $!;
		666	};
		667	cf::cleanup "db_open(db): $@" if $@;
		668
		669	$db
		670	}
		671
		672	our $DB;
		673
		674	sub db_init {
		675	cf::sync_job {
		676	$DB ||= db_table "db";
		677	};
		678	}
		679
		680	sub db_get($$) {
		681	my $key = "$_[0]/$_[1]";
		682
		683	cf::sync_job {
		684	BDB::db_get $DB, undef, $key, my $data;
		685
		686	$! ? ()
		687	: $data
		688	}
		689	}
		690
		691	sub db_put($$$) {
		692	BDB::dbreq_pri 4;
		693	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		694	}
		695
		696	=item cf::cache $id => [$paths...], $processversion => $process
		697
		698	Generic caching function that returns the value of the resource $id,
		699	caching and regenerating as required.
		700
		701	This function can block.
		702
		703	=cut
		704
		705	sub cache {
		706	my ($id, $src, $processversion, $process) = @_;
		707
		708	my $meta =
		709	join "\x00",
		710	$processversion,
		711	map {
		712	aio_stat $_
		713	and Carp::croak "$_: $!";
		714
		715	($_, (stat _)[7,9])
		716	} @$src;
		717
		718	my $dbmeta = db_get cache => "$id/meta";
		719	if ($dbmeta ne $meta) {
		720	# changed, we may need to process
		721
		722	my @data;
		723	my $md5;
		724
		725	for (0 .. $#$src) {
		726	0 <= aio_load $src->[$_], $data[$_]
		727	or Carp::croak "$src->[$_]: $!";
		728	}
		729
		730	# if processing is expensive, check
		731	# checksum first
		732	if (1) {
		733	$md5 =
		734	join "\x00",
		735	$processversion,
		736	map {
		737	cf::cede_to_tick;
		738	($src->[$_], Digest::MD5::md5_hex $data[$_])
		739	} 0.. $#$src;
		740
		741
		742	my $dbmd5 = db_get cache => "$id/md5";
		743	if ($dbmd5 eq $md5) {
		744	db_put cache => "$id/meta", $meta;
		745
		746	return db_get cache => "$id/data";
		747	}
		748	}
		749
		750	my $t1 = Time::HiRes::time;
		751	my $data = $process->(\@data);
		752	my $t2 = Time::HiRes::time;
		753
		754	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		755
		756	db_put cache => "$id/data", $data;
		757	db_put cache => "$id/md5" , $md5;
		758	db_put cache => "$id/meta", $meta;
		759
		760	return $data;
		761	}
		762
		763	db_get cache => "$id/data"
376	}	764	}
377		765
378	=item cf::datalog type => key => value, ...	766	=item cf::datalog type => key => value, ...
379		767
380	Log a datalog packet of the given type with the given key-value pairs.	768	Log a datalog packet of the given type with the given key-value pairs.
…		…
392		780
393	#############################################################################	781	#############################################################################
394		782
395	=head2 ATTACHABLE OBJECTS	783	=head2 ATTACHABLE OBJECTS
396		784
397	Many objects in crossfire are so-called attachable objects. That means you can	785	Many objects in deliantra are so-called attachable objects. That means you can
398	attach callbacks/event handlers (a collection of which is called an "attachment")	786	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	787	to it. All such attachable objects support the following methods.
400		788
401	In the following description, CLASS can be any of C<global>, C<object>	789	In the following description, CLASS can be any of C<global>, C<object>
402	C<player>, C<client> or C<map> (i.e. the attachable objects in	790	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	791	Deliantra).
404		792
405	=over 4	793	=over 4
406		794
407	=item $attachable->attach ($attachment, key => $value...)	795	=item $attachable->attach ($attachment, key => $value...)
408		796
…		…
452	=item cf::CLASS::attachment $name, ...	840	=item cf::CLASS::attachment $name, ...
453		841
454	Register an attachment by C<$name> through which attachable objects of the	842	Register an attachment by C<$name> through which attachable objects of the
455	given CLASS can refer to this attachment.	843	given CLASS can refer to this attachment.
456		844
457	Some classes such as crossfire maps and objects can specify attachments	845	Some classes such as deliantra maps and objects can specify attachments
458	that are attached at load/instantiate time, thus the need for a name.	846	that are attached at load/instantiate time, thus the need for a name.
459		847
460	These calls expect any number of the following handler/hook descriptions:	848	These calls expect any number of the following handler/hook descriptions:
461		849
462	=over 4	850	=over 4
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	959	$registry = $CB_TYPE[$object_type] ||= [];
572		960
573	} elsif ($type eq "subtype") {	961	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	962	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	963	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	964	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		965
578	} elsif ($type eq "package") {	966	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	967	my $pkg = shift @arg;
580		968
581	while (my ($name, $id) = each %cb_id) {	969	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	998	_attach $registry, $klass, @attach;
611	}	999	}
612		1000
613	$obj->{$name} = \%arg;	1001	$obj->{$name} = \%arg;
614	} else {	1002	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	1003	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	1004	}
617		1005
618	$obj->{_attachment}{$name} = undef;	1006	$obj->{_attachment}{$name} = undef;
619	}	1007	}
620		1008
…		…
622	if (ref $_[0]) {	1010	if (ref $_[0]) {
623	_object_attach @_;	1011	_object_attach @_;
624	} else {	1012	} else {
625	_attach shift->_attach_registry, @_;	1013	_attach shift->_attach_registry, @_;
626	}	1014	}
		1015	_recalc_want;
627	};	1016	};
628		1017
629	# all those should be optimised	1018	# all those should be optimised
630	sub cf::attachable::detach {	1019	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	1020	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	1023	delete $obj->{_attachment}{$name};
635	reattach ($obj);	1024	reattach ($obj);
636	} else {	1025	} else {
637	Carp::croak "cannot, currently, detach class attachments";	1026	Carp::croak "cannot, currently, detach class attachments";
638	}	1027	}
		1028	_recalc_want;
639	};	1029	};
640		1030
641	sub cf::attachable::attached {	1031	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	1032	my ($obj, $name) = @_;
643		1033
…		…
658	";	1048	";
659	die if $@;	1049	die if $@;
660	}	1050	}
661		1051
662	our $override;	1052	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1053	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		1054
665	sub override {	1055	sub override {
666	$override = 1;	1056	$override = 1;
667	@invoke_results = ();	1057	@INVOKE_RESULTS = (@_);
668	}	1058	}
669		1059
670	sub do_invoke {	1060	sub do_invoke {
671	my $event = shift;	1061	my $event = shift;
672	my $callbacks = shift;	1062	my $callbacks = shift;
673		1063
674	@invoke_results = ();	1064	@INVOKE_RESULTS = ();
675		1065
676	local $override;	1066	local $override;
677		1067
678	for (@$callbacks) {	1068	for (@$callbacks) {
679	eval { &{$_->[1]} };	1069	eval { &{$_->[1]} };
…		…
688	}	1078	}
689		1079
690	0	1080	0
691	}	1081	}
692		1082
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1083	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1084
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1085	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1086
697	Generate an object-specific event with the given arguments.	1087	Generate an object-specific event with the given arguments.
698		1088
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1089	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700	removed in future versions), and there is no public API to access override	1090	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	1091	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1092
703	=back	1093	=back
704		1094
705	=cut	1095	=cut
706		1096
707	#############################################################################	1097	#############################################################################
708	# object support	1098	# object support
		1099
		1100	sub _object_equal($$);
		1101	sub _object_equal($$) {
		1102	my ($a, $b) = @_;
		1103
		1104	return 0 unless (ref $a) eq (ref $b);
		1105
		1106	if ("HASH" eq ref $a) {
		1107	my @ka = keys %$a;
		1108	my @kb = keys %$b;
		1109
		1110	return 0 if @ka != @kb;
		1111
		1112	for (0 .. $#ka) {
		1113	return 0 unless $ka[$_] eq $kb[$_];
		1114	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1115	}
		1116
		1117	} elsif ("ARRAY" eq ref $a) {
		1118
		1119	return 0 if @$a != @$b;
		1120
		1121	for (0 .. $#$a) {
		1122	return 0 unless _object_equal $a->[$_], $b->[$_];
		1123	}
		1124
		1125	} elsif ($a ne $b) {
		1126	return 0;
		1127	}
		1128
		1129	1
		1130	}
		1131
		1132	our $SLOW_MERGES;#d#
		1133	sub _can_merge {
		1134	my ($ob1, $ob2) = @_;
		1135
		1136	++$SLOW_MERGES;#d#
		1137
		1138	# we do the slow way here
		1139	return _object_equal $ob1, $ob2
		1140	}
709		1141
710	sub reattach {	1142	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1143	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1144	my ($obj) = @_;
713		1145
		1146	# no longer needed after getting rid of delete_package?
714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1147	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
715		1148
716	my $registry = $obj->registry;	1149	my $registry = $obj->registry;
717		1150
718	@$registry = ();	1151	@$registry = ();
719		1152
…		…
734	cf::attachable->attach (	1167	cf::attachable->attach (
735	prio => -1000000,	1168	prio => -1000000,
736	on_instantiate => sub {	1169	on_instantiate => sub {
737	my ($obj, $data) = @_;	1170	my ($obj, $data) = @_;
738		1171
739	$data = from_json $data;	1172	$data = decode_json $data;
740		1173
741	for (@$data) {	1174	for (@$data) {
742	my ($name, $args) = @$_;	1175	my ($name, $args) = @$_;
743		1176
744	$obj->attach ($name, %{$args || {} });	1177	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1193	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1194	my ($filename, $rdata, $objs) = @_;
762		1195
763	sync_job {	1196	sync_job {
764	if (length $$rdata) {	1197	if (length $$rdata) {
		1198	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1199	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1200	$decname, length $$rdata, scalar @$objs
		1201	if $VERBOSE_IO;
767		1202
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1203	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1204	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1205	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1206	if ($cf::USE_FSYNC) {
		1207	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;
		1208	aio_fsync $fh;
		1209	}
772	close $fh;	1210	aio_close $fh;
773		1211
774	if (@$objs) {	1212	if (@$objs) {
775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1213	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
776	chmod SAVE_MODE, $fh;	1214	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1215	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1216	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1217	if ($cf::USE_FSYNC) {
		1218	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;
		1219	aio_fsync $fh;
		1220	}
780	close $fh;	1221	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1222	aio_rename "$filename.pst~", "$filename.pst";
782	}	1223	}
783	} else {	1224	} else {
784	aio_unlink "$filename.pst";	1225	aio_unlink "$filename.pst";
785	}	1226	}
786		1227
787	aio_rename "$filename~", $filename;	1228	aio_rename "$filename~", $filename;
		1229
		1230	$filename =~ s%/[^/]+$%%;
		1231	aio_pathsync $filename if $cf::USE_FSYNC;
788	} else {	1232	} else {
789	warn "FATAL: $filename~: $!\n";	1233	warn "unable to save objects: $filename~: $!\n";
790	}	1234	}
791	} else {	1235	} else {
792	aio_unlink $filename;	1236	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1237	aio_unlink "$filename.pst";
794	}	1238	}
795	}	1239	};
796	}	1240	}
797		1241
798	sub object_freezer_as_string {	1242	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1243	my ($rdata, $objs) = @_;
800		1244
…		…
812	or return;	1256	or return;
813		1257
814	unless (aio_stat "$filename.pst") {	1258	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1259	(aio_load "$filename.pst", $av) >= 0
816	or return;	1260	or return;
		1261
817	$av = eval { (Storable::thaw $av)->{objs} };	1262	my $st = eval { Coro::Storable::thaw $av };
		1263	$av = $st->{objs};
818	}	1264	}
819		1265
		1266	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1267	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1268	$decname, length $data, scalar @{$av || []}
		1269	if $VERBOSE_IO;
		1270
822	return ($data, $av);	1271	($data, $av)
823	}	1272	}
		1273
		1274	=head2 COMMAND CALLBACKS
		1275
		1276	=over 4
		1277
		1278	=cut
824		1279
825	#############################################################################	1280	#############################################################################
826	# command handling &c	1281	# command handling &c
827		1282
828	=item cf::register_command $name => \&callback($ob,$args);	1283	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1296	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1297	}
843		1298
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1299	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1300
846	Register a callbackf ro execution when the client sends an extcmd packet.	1301	Register a callback for execution when the client sends an (synchronous)
		1302	extcmd packet. Ext commands will be processed in the order they are
		1303	received by the server, like other user commands. The first argument is
		1304	the logged-in player. Ext commands can only be processed after a player
		1305	has logged in successfully.
847		1306
848	If the callback returns something, it is sent back as if reply was being	1307	If the callback returns something, it is sent back as if reply was being
849	called.	1308	called.
850		1309
		1310	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1311
		1312	Register a callback for execution when the client sends an (asynchronous)
		1313	exticmd packet. Exti commands are processed by the server as soon as they
		1314	are received, i.e. out of order w.r.t. other commands. The first argument
		1315	is a client socket. Exti commands can be received anytime, even before
		1316	log-in.
		1317
		1318	If the callback returns something, it is sent back as if reply was being
		1319	called.
		1320
851	=cut	1321	=cut
852		1322
853	sub register_extcmd {	1323	sub register_extcmd {
854	my ($name, $cb) = @_;	1324	my ($name, $cb) = @_;
855		1325
856	$EXTCMD{$name} = $cb;	1326	$EXTCMD{$name} = $cb;
857	}	1327	}
858		1328
		1329	sub register_exticmd {
		1330	my ($name, $cb) = @_;
		1331
		1332	$EXTICMD{$name} = $cb;
		1333	}
		1334
		1335	use File::Glob ();
		1336
859	cf::player->attach (	1337	cf::player->attach (
860	on_command => sub {	1338	on_unknown_command => sub {
861	my ($pl, $name, $params) = @_;	1339	my ($pl, $name, $params) = @_;
862		1340
863	my $cb = $COMMAND{$name}	1341	my $cb = $COMMAND{$name}
864	or return;	1342	or return;
865		1343
…		…
870	cf::override;	1348	cf::override;
871	},	1349	},
872	on_extcmd => sub {	1350	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1351	my ($pl, $buf) = @_;
874		1352
875	my $msg = eval { from_json $buf };	1353	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1354
877	if (ref $msg) {	1355	if (ref $msg) {
		1356	my ($type, $reply, @payload) =
		1357	"ARRAY" eq ref $msg
		1358	? @$msg
		1359	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1360
		1361	my @reply;
		1362
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1363	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1364	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1365	}
		1366
		1367	$pl->ext_reply ($reply, @reply)
		1368	if $reply;
		1369
883	} else {	1370	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1371	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1372	}
886		1373
887	cf::override;	1374	cf::override;
888	},	1375	},
889	);	1376	);
890		1377
		1378	# "readahead" all extensions
891	sub load_extension {	1379	sub cache_extensions {
892	my ($path) = @_;	1380	my $grp = IO::AIO::aio_group;
893		1381
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1382	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
895	my $base = $1;	1383	for (grep /\.ext$/, @{$_[0]}) {
896	my $pkg = $1;	1384	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}	1385	}
919	die $@;
920	}	1386	};
921		1387
922	push @EXTS, $pkg;	1388	$grp
923	}	1389	}
924		1390
925	sub load_extensions {	1391	sub load_extensions {
		1392	cf::sync_job {
		1393	my %todo;
		1394
926	for my $ext (<$LIBDIR/*.ext>) {	1395	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1396	next unless -r $path;
928	eval {	1397
929	load_extension $ext;	1398	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1399	my $base = $1;
		1400	my $pkg = $1;
		1401	$pkg =~ s/[^[:word:]]/_/g;
		1402	$pkg = "ext::$pkg";
		1403
		1404	open my $fh, "<:utf8", $path
		1405	or die "$path: $!";
		1406
		1407	my $source = do { local $/; <$fh> };
		1408
		1409	my %ext = (
		1410	path => $path,
		1411	base => $base,
		1412	pkg => $pkg,
		1413	);
		1414
		1415	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1416	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1417
		1418	$ext{source} =
		1419	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1420	. "#line 1 \"$path\"\n{\n"
		1421	. $source
		1422	. "\n};\n1";
		1423
		1424	$todo{$base} = \%ext;
		1425	}
		1426
		1427	my $pass = 0;
		1428	my %done;
		1429	while (%todo) {
		1430	my $progress;
		1431
		1432	++$pass;
		1433
		1434	ext:
		1435	while (my ($k, $v) = each %todo) {
		1436	for (split /,\s*/, $v->{meta}{depends}) {
		1437	next ext
		1438	unless exists $done{$_};
		1439	}
		1440
		1441	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1442
		1443	my $active = eval $v->{source};
		1444
		1445	if (length $@) {
		1446	warn "$v->{path}: $@\n";
		1447
		1448	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1449	if exists $v->{meta}{mandatory};
		1450
		1451	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1452	delete $todo{$k};
		1453	} else {
		1454	$done{$k} = delete $todo{$k};
		1455	push @EXTS, $v->{pkg};
		1456	$progress = 1;
		1457
		1458	warn "$v->{base}: extension inactive.\n"
		1459	unless $active;
		1460	}
930	1	1461	}
931	} or warn "$ext not loaded: $@";	1462
		1463	unless ($progress) {
		1464	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1465
		1466	while (my ($k, $v) = each %todo) {
		1467	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1468	if exists $v->{meta}{mandatory};
		1469	}
		1470	}
		1471	}
932	}	1472	};
933	}	1473	}
934		1474
935	#############################################################################	1475	#############################################################################
936		1476
		1477	=back
		1478
937	=head2 CORE EXTENSIONS	1479	=head2 CORE EXTENSIONS
938		1480
939	Functions and methods that extend core crossfire objects.	1481	Functions and methods that extend core deliantra objects.
940		1482
941	=cut	1483	=cut
942		1484
943	package cf::player;	1485	package cf::player;
944		1486
…		…
946		1488
947	=head3 cf::player	1489	=head3 cf::player
948		1490
949	=over 4	1491	=over 4
950		1492
		1493	=item cf::player::num_playing
		1494
		1495	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1496
		1497	=cut
		1498
		1499	sub num_playing {
		1500	scalar grep
		1501	$_->ob->map
		1502	&& !$_->hidden
		1503	&& !$_->ob->flag (cf::FLAG_WIZ),
		1504	cf::player::list
		1505	}
		1506
951	=item cf::player::find $login	1507	=item cf::player::find $login
952		1508
953	Returns the given player object, loading it if necessary (might block).	1509	Returns the given player object, loading it if necessary (might block).
954		1510
955	=cut	1511	=cut
956		1512
957	sub playerdir($) {	1513	sub playerdir($) {
958	cf::localdir	1514	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1515	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1516	}
964		1517
965	sub path($) {	1518	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1519	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
976		1529
977	sub exists($) {	1530	sub exists($) {
978	my ($login) = @_;	1531	my ($login) = @_;
979		1532
980	$cf::PLAYER{$login}	1533	$cf::PLAYER{$login}
981	or cf::sync_job { !aio_stat path $login }	1534	or !aio_stat path $login
982	}	1535	}
983		1536
984	sub find($) {	1537	sub find($) {
985	return $cf::PLAYER{$_[0]} || do {	1538	return $cf::PLAYER{$_[0]} || do {
986	my $login = $_[0];	1539	my $login = $_[0];
…		…
993	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1546	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
994	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1547	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
995	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1548	aio_unlink +(playerdir $login) . "/$login.pl.pst";
996	aio_unlink +(playerdir $login) . "/$login.pl";	1549	aio_unlink +(playerdir $login) . "/$login.pl";
997		1550
998	my $pl = load_pl path $login	1551	my $f = new_from_file cf::object::thawer path $login
999	or return;	1552	or return;
		1553
		1554	my $pl = cf::player::load_pl $f
		1555	or return;
		1556
		1557	local $cf::PLAYER_LOADING{$login} = $pl;
		1558	$f->resolve_delayed_derefs;
1000	$cf::PLAYER{$login} = $pl	1559	$cf::PLAYER{$login} = $pl
1001	}	1560	}
1002	}	1561	}
1003	}	1562	}
		1563
		1564	cf::player->attach (
		1565	on_load => sub {
		1566	my ($pl, $path) = @_;
		1567
		1568	# restore slots saved in save, below
		1569	my $slots = delete $pl->{_slots};
		1570
		1571	$pl->ob->current_weapon ($slots->[0]);
		1572	$pl->combat_ob ($slots->[1]);
		1573	$pl->ranged_ob ($slots->[2]);
		1574	},
		1575	);
1004		1576
1005	sub save($) {	1577	sub save($) {
1006	my ($pl) = @_;	1578	my ($pl) = @_;
1007		1579
1008	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
…		…
1013	return if $pl->{deny_save};	1585	return if $pl->{deny_save};
1014		1586
1015	aio_mkdir playerdir $pl, 0770;	1587	aio_mkdir playerdir $pl, 0770;
1016	$pl->{last_save} = $cf::RUNTIME;	1588	$pl->{last_save} = $cf::RUNTIME;
1017		1589
		1590	cf::get_slot 0.01;
		1591
		1592	# save slots, to be restored later
		1593	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1594
1018	$pl->save_pl ($path);	1595	$pl->save_pl ($path);
1019	Coro::cede;	1596	cf::cede_to_tick;
1020	}	1597	}
1021		1598
1022	sub new($) {	1599	sub new($) {
1023	my ($login) = @_;	1600	my ($login) = @_;
1024		1601
…		…
1030	$cf::PLAYER{$login} = $self;	1607	$cf::PLAYER{$login} = $self;
1031		1608
1032	$self	1609	$self
1033	}	1610	}
1034		1611
		1612	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1613
		1614	=cut
		1615
		1616	sub send_msg {
		1617	my $ns = shift->ns
		1618	or return;
		1619	$ns->send_msg (@_);
		1620	}
		1621
1035	=item $pl->quit_character	1622	=item $pl->quit_character
1036		1623
1037	Nukes the player without looking back. If logged in, the connection will	1624	Nukes the player without looking back. If logged in, the connection will
1038	be destroyed. May block for a long time.	1625	be destroyed. May block for a long time.
1039		1626
…		…
1043	my ($pl) = @_;	1630	my ($pl) = @_;
1044		1631
1045	my $name = $pl->ob->name;	1632	my $name = $pl->ob->name;
1046		1633
1047	$pl->{deny_save} = 1;	1634	$pl->{deny_save} = 1;
1048	$pl->password ("*"); # this should lock out the player until we nuked the dir	1635	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1049		1636
1050	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1637	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1051	$pl->deactivate;	1638	$pl->deactivate;
		1639	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1052	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1640	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1053	$pl->ns->destroy if $pl->ns;	1641	$pl->ns->destroy if $pl->ns;
1054		1642
1055	my $path = playerdir $pl;	1643	my $path = playerdir $pl;
1056	my $temp = "$path~$cf::RUNTIME~deleting~";	1644	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1086	while and may block, so not sync_job-capable, ever.	1674	while and may block, so not sync_job-capable, ever.
1087		1675
1088	=cut	1676	=cut
1089		1677
1090	sub list_logins {	1678	sub list_logins {
1091	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1679	my $dirs = aio_readdir $PLAYERDIR
1092	or return [];	1680	or return [];
1093		1681
1094	my @logins;	1682	my @logins;
1095		1683
1096	for my $login (@$dirs) {	1684	for my $login (@$dirs) {
		1685	my $path = path $login;
		1686
		1687	# a .pst is a dead give-away for a valid player
		1688	# if no pst file found, open and chekc for blocked users
		1689	if (aio_stat "$path.pst") {
1097	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1690	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1098	aio_read $fh, 0, 512, my $buf, 0 or next;	1691	aio_read $fh, 0, 512, my $buf, 0 or next;
1099	$buf !~ /^password -------------$/m or next; # official not-valid tag	1692	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1693	}
1100		1694
1101	utf8::decode $login;	1695	utf8::decode $login;
1102	push @logins, $login;	1696	push @logins, $login;
1103	}	1697	}
1104		1698
1105	\@logins	1699	\@logins
1106	}	1700	}
1107		1701
1108	=item $player->maps	1702	=item $player->maps
		1703
		1704	=item cf::player::maps $login
1109		1705
1110	Returns an arrayref of map paths that are private for this	1706	Returns an arrayref of map paths that are private for this
1111	player. May block.	1707	player. May block.
1112		1708
1113	=cut	1709	=cut
…		…
1131	}	1727	}
1132		1728
1133	\@paths	1729	\@paths
1134	}	1730	}
1135		1731
		1732	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1733
		1734	Expand deliantra pod fragments into protocol xml.
		1735
1136	=item $player->ext_reply ($msgid, %msg)	1736	=item $player->ext_reply ($msgid, @msg)
1137		1737
1138	Sends an ext reply to the player.	1738	Sends an ext reply to the player.
1139		1739
1140	=cut	1740	=cut
1141		1741
1142	sub ext_reply($$%) {	1742	sub ext_reply($$@) {
1143	my ($self, $id, %msg) = @_;	1743	my ($self, $id, @msg) = @_;
1144		1744
1145	$msg{msgid} = $id;	1745	$self->ns->ext_reply ($id, @msg)
1146
1147	$self->send ("ext " . cf::to_json \%msg);
1148	}	1746	}
1149		1747
1150	=item $player->ext_event ($type, %msg)	1748	=item $player->ext_msg ($type, @msg)
1151		1749
1152	Sends an ext event to the client.	1750	Sends an ext event to the client.
1153		1751
1154	=cut	1752	=cut
1155		1753
1156	sub ext_event($$%) {	1754	sub ext_msg($$@) {
1157	my ($self, $type, %msg) = @_;	1755	my ($self, $type, @msg) = @_;
1158		1756
1159	$self->ns->ext_event ($type, %msg);	1757	$self->ns->ext_msg ($type, @msg);
1160	}	1758	}
1161		1759
1162	package cf;	1760	=head3 cf::region
		1761
		1762	=over 4
		1763
		1764	=cut
		1765
		1766	package cf::region;
		1767
		1768	=item cf::region::find_by_path $path
		1769
		1770	Tries to decuce the likely region for a map knowing only its path.
		1771
		1772	=cut
		1773
		1774	sub find_by_path($) {
		1775	my ($path) = @_;
		1776
		1777	$path =~ s/^~[^\/]*//; # skip ~login
		1778
		1779	my ($match, $specificity);
		1780
		1781	for my $region (list) {
		1782	if ($region->{match} && $path =~ $region->{match}) {
		1783	($match, $specificity) = ($region, $region->specificity)
		1784	if $region->specificity > $specificity;
		1785	}
		1786	}
		1787
		1788	$match
		1789	}
1163		1790
1164	=back	1791	=back
1165
1166		1792
1167	=head3 cf::map	1793	=head3 cf::map
1168		1794
1169	=over 4	1795	=over 4
1170		1796
…		…
1182	our $MAX_RESET = 3600;	1808	our $MAX_RESET = 3600;
1183	our $DEFAULT_RESET = 3000;	1809	our $DEFAULT_RESET = 3000;
1184		1810
1185	sub generate_random_map {	1811	sub generate_random_map {
1186	my ($self, $rmp) = @_;	1812	my ($self, $rmp) = @_;
		1813
		1814	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1815
1187	# mit "rum" bekleckern, nicht	1816	# mit "rum" bekleckern, nicht
1188	$self->_create_random_map (	1817	$self->_create_random_map (
1189	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1818	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1190	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1819	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1191	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1820	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1192	$rmp->{exit_on_final_map},	1821	$rmp->{exit_on_final_map},
1193	$rmp->{xsize}, $rmp->{ysize},	1822	$rmp->{xsize}, $rmp->{ysize},
1194	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1823	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1195	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1824	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1217		1846
1218	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1847	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1219	}	1848	}
1220		1849
1221	# also paths starting with '/'	1850	# also paths starting with '/'
1222	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1851	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1223		1852
1224	sub thawer_merge {	1853	sub thawer_merge {
1225	my ($self, $merge) = @_;	1854	my ($self, $merge) = @_;
1226		1855
1227	# we have to keep some variables in memory intact	1856	# we have to keep some variables in memory intact
1228	local $self->{path};	1857	local $self->{path};
1229	local $self->{load_path};	1858	local $self->{load_path};
1230	local $self->{deny_save};
1231	local $self->{deny_reset};
1232		1859
1233	$self->SUPER::thawer_merge ($merge);	1860	$self->SUPER::thawer_merge ($merge);
1234	}	1861	}
1235		1862
1236	sub normalise {	1863	sub normalise {
…		…
1283	$self->init; # pass $1 etc.	1910	$self->init; # pass $1 etc.
1284	return $self;	1911	return $self;
1285	}	1912	}
1286	}	1913	}
1287		1914
1288	Carp::carp "unable to resolve path '$path' (base '$base').";	1915	Carp::cluck "unable to resolve path '$path' (base '$base').";
1289	()	1916	()
1290	}	1917	}
1291		1918
1292	sub init {	1919	sub init {
1293	my ($self) = @_;	1920	my ($self) = @_;
…		…
1308		1935
1309	# the original (read-only) location	1936	# the original (read-only) location
1310	sub load_path {	1937	sub load_path {
1311	my ($self) = @_;	1938	my ($self) = @_;
1312		1939
1313	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1940	"$MAPDIR/$self->{path}.map"
1314	}	1941	}
1315		1942
1316	# the temporary/swap location	1943	# the temporary/swap location
1317	sub save_path {	1944	sub save_path {
1318	my ($self) = @_;	1945	my ($self) = @_;
1319		1946
1320	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1947	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1321	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1948	"$TMPDIR/$path.map"
1322	}	1949	}
1323		1950
1324	# the unique path, undef == no special unique path	1951	# the unique path, undef == no special unique path
1325	sub uniq_path {	1952	sub uniq_path {
1326	my ($self) = @_;	1953	my ($self) = @_;
1327		1954
1328	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1955	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1329	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1956	"$UNIQUEDIR/$path"
1330	}	1957	}
1331		1958
1332	# and all this just because we cannot iterate over	1959	sub decay_objects {
1333	# all maps in C++...
1334	sub change_all_map_light {
1335	my ($change) = @_;	1960	my ($self) = @_;
1336		1961
1337	$_->change_map_light ($change)	1962	return if $self->{deny_reset};
1338	for grep $_->outdoor, values %cf::MAP;	1963
		1964	$self->do_decay_objects;
1339	}	1965	}
1340		1966
1341	sub unlink_save {	1967	sub unlink_save {
1342	my ($self) = @_;	1968	my ($self) = @_;
1343		1969
…		…
1348		1974
1349	sub load_header_from($) {	1975	sub load_header_from($) {
1350	my ($self, $path) = @_;	1976	my ($self, $path) = @_;
1351		1977
1352	utf8::encode $path;	1978	utf8::encode $path;
1353	#aio_open $path, O_RDONLY, 0	1979	my $f = new_from_file cf::object::thawer $path
1354	# or return;
1355
1356	$self->_load_header ($path)
1357	or return;	1980	or return;
		1981
		1982	$self->_load_header ($f)
		1983	or return;
		1984
		1985	local $MAP_LOADING{$self->{path}} = $self;
		1986	$f->resolve_delayed_derefs;
1358		1987
1359	$self->{load_path} = $path;	1988	$self->{load_path} = $path;
1360		1989
1361	1	1990	1
1362	}	1991	}
…		…
1401	$self->load_header_orig	2030	$self->load_header_orig
1402	or return;	2031	or return;
1403	$self->prepare_orig;	2032	$self->prepare_orig;
1404	}	2033	}
1405		2034
		2035	$self->{deny_reset} = 1
		2036	if $self->no_reset;
		2037
		2038	$self->default_region (cf::region::find_by_path $self->{path})
		2039	unless $self->default_region;
		2040
1406	1	2041	1
1407	}	2042	}
1408		2043
1409	sub find;	2044	sub find;
1410	sub find {	2045	sub find {
1411	my ($path, $origin) = @_;	2046	my ($path, $origin) = @_;
1412		2047
1413	$path = normalise $path, $origin && $origin->path;	2048	$path = normalise $path, $origin && $origin->path;
1414		2049
		2050	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1415	cf::lock_wait "map_find:$path";	2051	my $guard2 = cf::lock_acquire "map_find:$path";
1416		2052
1417	$cf::MAP{$path} || do {	2053	$cf::MAP{$path} || do {
1418	my $guard = cf::lock_acquire "map_find:$path";
1419	my $map = new_from_path cf::map $path	2054	my $map = new_from_path cf::map $path
1420	or return;	2055	or return;
1421		2056
1422	$map->{last_save} = $cf::RUNTIME;	2057	$map->{last_save} = $cf::RUNTIME;
1423		2058
1424	$map->load_header	2059	$map->load_header
1425	or return;	2060	or return;
1426		2061
1427	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2062	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1428	# doing this can freeze the server in a sync job, obviously	2063	# doing this can freeze the server in a sync job, obviously
1429	#$cf::WAIT_FOR_TICK->wait;	2064	#$cf::WAIT_FOR_TICK->wait;
		2065	undef $guard2;
		2066	undef $guard1;
1430	$map->reset;	2067	$map->reset;
1431	undef $guard;
1432	return find $path;	2068	return find $path;
1433	}	2069	}
1434		2070
1435	$cf::MAP{$path} = $map	2071	$cf::MAP{$path} = $map
1436	}	2072	}
1437	}	2073	}
1438		2074
1439	sub pre_load { }	2075	sub pre_load { }
1440	sub post_load { }	2076	#sub post_load { } # XS
1441		2077
1442	sub load {	2078	sub load {
1443	my ($self) = @_;	2079	my ($self) = @_;
1444		2080
1445	local $self->{deny_reset} = 1; # loading can take a long time	2081	local $self->{deny_reset} = 1; # loading can take a long time
1446		2082
1447	my $path = $self->{path};	2083	my $path = $self->{path};
		2084
		2085	{
1448	my $guard = cf::lock_acquire "map_load:$path";	2086	my $guard = cf::lock_acquire "map_data:$path";
1449		2087
		2088	return unless $self->valid;
1450	return if $self->in_memory != cf::MAP_SWAPPED;	2089	return unless $self->in_memory == cf::MAP_SWAPPED;
1451		2090
1452	$self->in_memory (cf::MAP_LOADING);	2091	$self->in_memory (cf::MAP_LOADING);
1453		2092
1454	$self->alloc;	2093	$self->alloc;
1455		2094
1456	$self->pre_load;	2095	$self->pre_load;
		2096	cf::cede_to_tick;
1457		2097
1458	$self->_load_objects ($self->{load_path}, 1)	2098	my $f = new_from_file cf::object::thawer $self->{load_path};
		2099	$f->skip_block;
		2100	$self->_load_objects ($f)
1459	or return;	2101	or return;
1460		2102
1461	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2103	$self->post_load_original
1462	if delete $self->{load_original};	2104	if delete $self->{load_original};
1463		2105
1464	if (my $uniq = $self->uniq_path) {	2106	if (my $uniq = $self->uniq_path) {
1465	utf8::encode $uniq;	2107	utf8::encode $uniq;
1466	if (aio_open $uniq, O_RDONLY, 0) {	2108	unless (aio_stat $uniq) {
		2109	if (my $f = new_from_file cf::object::thawer $uniq) {
1467	$self->clear_unique_items;	2110	$self->clear_unique_items;
1468	$self->_load_objects ($uniq, 0);	2111	$self->_load_objects ($f);
		2112	$f->resolve_delayed_derefs;
		2113	}
1469	}	2114	}
1470	}	2115	}
1471		2116
1472	Coro::cede;	2117	$f->resolve_delayed_derefs;
1473		2118
		2119	cf::cede_to_tick;
1474	# now do the right thing for maps	2120	# now do the right thing for maps
1475	$self->link_multipart_objects;	2121	$self->link_multipart_objects;
1476
1477	unless ($self->{deny_activate}) {
1478	$self->decay_objects;
1479	$self->fix_auto_apply;
1480	$self->update_buttons;
1481	Coro::cede;
1482	$self->set_darkness_map;
1483	$self->difficulty ($self->estimate_difficulty)	2122	$self->difficulty ($self->estimate_difficulty)
1484	unless $self->difficulty;	2123	unless $self->difficulty;
1485	Coro::cede;	2124	cf::cede_to_tick;
		2125
		2126	unless ($self->{deny_activate}) {
		2127	$self->decay_objects;
		2128	$self->fix_auto_apply;
		2129	$self->update_buttons;
		2130	cf::cede_to_tick;
1486	$self->activate;	2131	$self->activate;
		2132	}
		2133
		2134	$self->{last_save} = $cf::RUNTIME;
		2135	$self->last_access ($cf::RUNTIME);
		2136
		2137	$self->in_memory (cf::MAP_ACTIVE);
1487	}	2138	}
1488		2139
1489	$self->post_load;	2140	$self->post_load;
1490
1491	$self->in_memory (cf::MAP_IN_MEMORY);
1492	}	2141	}
1493		2142
		2143	# customize the map for a given player, i.e.
		2144	# return the _real_ map. used by e.g. per-player
		2145	# maps to change the path to ~playername/mappath
1494	sub customise_for {	2146	sub customise_for {
1495	my ($self, $ob) = @_;	2147	my ($self, $ob) = @_;
1496		2148
1497	return find "~" . $ob->name . "/" . $self->{path}	2149	return find "~" . $ob->name . "/" . $self->{path}
1498	if $self->per_player;	2150	if $self->per_player;
1499		2151
		2152	# return find "?party/" . $ob->name . "/" . $self->{path}
		2153	# if $self->per_party;
		2154
1500	$self	2155	$self
1501	}	2156	}
1502		2157
1503	# find and load all maps in the 3x3 area around a map	2158	# find and load all maps in the 3x3 area around a map
1504	sub load_diag {	2159	sub load_neighbours {
1505	my ($map) = @_;	2160	my ($map) = @_;
1506		2161
1507	my @diag; # diagonal neighbours	2162	my @neigh; # diagonal neighbours
1508		2163
1509	for (0 .. 3) {	2164	for (0 .. 3) {
1510	my $neigh = $map->tile_path ($_)	2165	my $neigh = $map->tile_path ($_)
1511	or next;	2166	or next;
1512	$neigh = find $neigh, $map	2167	$neigh = find $neigh, $map
1513	or next;	2168	or next;
1514	$neigh->load;	2169	$neigh->load;
1515		2170
		2171	# now find the diagonal neighbours
		2172	push @neigh,
1516	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2173	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1517	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2174	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1518	}	2175	}
1519		2176
1520	for (@diag) {	2177	for (grep defined $_->[0], @neigh) {
		2178	my ($path, $origin) = @$_;
1521	my $neigh = find @$_	2179	my $neigh = find $path, $origin
1522	or next;	2180	or next;
1523	$neigh->load;	2181	$neigh->load;
1524	}	2182	}
1525	}	2183	}
1526		2184
…		…
1531	}	2189	}
1532		2190
1533	sub do_load_sync {	2191	sub do_load_sync {
1534	my ($map) = @_;	2192	my ($map) = @_;
1535		2193
		2194	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2195	if $Coro::current == $Coro::main;
		2196
1536	cf::sync_job { $map->load };	2197	cf::sync_job { $map->load };
1537	}	2198	}
1538		2199
1539	our %MAP_PREFETCH;	2200	our %MAP_PREFETCH;
1540	our $MAP_PREFETCHER = undef;	2201	our $MAP_PREFETCHER = undef;
1541		2202
1542	sub find_async {	2203	sub find_async {
1543	my ($path, $origin) = @_;	2204	my ($path, $origin, $load) = @_;
1544		2205
1545	$path = normalise $path, $origin && $origin->{path};	2206	$path = normalise $path, $origin && $origin->{path};
1546		2207
1547	if (my $map = $cf::MAP{$path}) {	2208	if (my $map = $cf::MAP{$path}) {
1548	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2209	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1549	}	2210	}
1550		2211
1551	undef $MAP_PREFETCH{$path};	2212	$MAP_PREFETCH{$path} |= $load;
		2213
1552	$MAP_PREFETCHER ||= cf::async {	2214	$MAP_PREFETCHER ||= cf::async {
		2215	$Coro::current->{desc} = "map prefetcher";
		2216
1553	while (%MAP_PREFETCH) {	2217	while (%MAP_PREFETCH) {
1554	for my $path (keys %MAP_PREFETCH) {	2218	while (my ($k, $v) = each %MAP_PREFETCH) {
1555	my $map = find $path	2219	if (my $map = find $k) {
1556	or next;
1557	$map->load;	2220	$map->load if $v;
		2221	}
1558		2222
1559	delete $MAP_PREFETCH{$path};	2223	delete $MAP_PREFETCH{$k};
1560	}	2224	}
1561	}	2225	}
1562	undef $MAP_PREFETCHER;	2226	undef $MAP_PREFETCHER;
1563	};	2227	};
1564	$MAP_PREFETCHER->prio (6);	2228	$MAP_PREFETCHER->prio (6);
1565		2229
1566	()	2230	()
1567	}	2231	}
1568		2232
		2233	# common code, used by both ->save and ->swapout
1569	sub save {	2234	sub _save {
1570	my ($self) = @_;	2235	my ($self) = @_;
1571
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;
1573		2236
1574	$self->{last_save} = $cf::RUNTIME;	2237	$self->{last_save} = $cf::RUNTIME;
1575		2238
1576	return unless $self->dirty;	2239	return unless $self->dirty;
1577		2240
…		…
1583	return if $self->{deny_save};	2246	return if $self->{deny_save};
1584		2247
1585	local $self->{last_access} = $self->last_access;#d#	2248	local $self->{last_access} = $self->last_access;#d#
1586		2249
1587	cf::async {	2250	cf::async {
		2251	$Coro::current->{desc} = "map player save";
1588	$_->contr->save for $self->players;	2252	$_->contr->save for $self->players;
1589	};	2253	};
		2254
		2255	cf::get_slot 0.02;
1590		2256
1591	if ($uniq) {	2257	if ($uniq) {
1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2258	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1593	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2259	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1594	} else {	2260	} else {
1595	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2261	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1596	}	2262	}
1597	}	2263	}
1598		2264
		2265	sub save {
		2266	my ($self) = @_;
		2267
		2268	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2269
		2270	$self->_save;
		2271	}
		2272
1599	sub swap_out {	2273	sub swap_out {
1600	my ($self) = @_;	2274	my ($self) = @_;
1601		2275
1602	# save first because save cedes
1603	$self->save;
1604
1605	my $lock = cf::lock_acquire "map_data:" . $self->path;	2276	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2277
		2278	return if $self->in_memory != cf::MAP_ACTIVE;
		2279	return if $self->{deny_save};
1607	return if $self->players;	2280	return if $self->players;
1608	return if $self->in_memory != cf::MAP_IN_MEMORY;
1609	return if $self->{deny_save};
1610		2281
		2282	# first deactivate the map and "unlink" it from the core
		2283	$self->deactivate;
		2284	$_->clear_links_to ($self) for values %cf::MAP;
		2285	$self->in_memory (cf::MAP_SWAPPED);
		2286
		2287	# then atomically save
		2288	$self->_save;
		2289
		2290	# then free the map
1611	$self->clear;	2291	$self->clear;
1612	$self->in_memory (cf::MAP_SWAPPED);
1613	}	2292	}
1614		2293
1615	sub reset_at {	2294	sub reset_at {
1616	my ($self) = @_;	2295	my ($self) = @_;
1617		2296
1618	# TODO: safety, remove and allow resettable per-player maps	2297	# TODO: safety, remove and allow resettable per-player maps
1619	return 1e99 if $self->isa ("ext::map_per_player");#d#
1620	return 1e99 if $self->{deny_reset};	2298	return 1e99 if $self->{deny_reset};
1621		2299
1622	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2300	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1623	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2301	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1624		2302
…		…
1635	my ($self) = @_;	2313	my ($self) = @_;
1636		2314
1637	my $lock = cf::lock_acquire "map_data:$self->{path}";	2315	my $lock = cf::lock_acquire "map_data:$self->{path}";
1638		2316
1639	return if $self->players;	2317	return if $self->players;
1640	return if $self->isa ("ext::map_per_player");#d#
1641		2318
1642	warn "resetting map ", $self->path;#d#	2319	warn "resetting map ", $self->path, "\n";
1643		2320
1644	$self->in_memory (cf::MAP_SWAPPED);	2321	$self->in_memory (cf::MAP_SWAPPED);
1645		2322
1646	# need to save uniques path	2323	# need to save uniques path
1647	unless ($self->{deny_save}) {	2324	unless ($self->{deny_save}) {
…		…
1651	if $uniq;	2328	if $uniq;
1652	}	2329	}
1653		2330
1654	delete $cf::MAP{$self->path};	2331	delete $cf::MAP{$self->path};
1655		2332
		2333	$self->deactivate;
		2334	$_->clear_links_to ($self) for values %cf::MAP;
1656	$self->clear;	2335	$self->clear;
1657
1658	$_->clear_links_to ($self) for values %cf::MAP;
1659		2336
1660	$self->unlink_save;	2337	$self->unlink_save;
1661	$self->destroy;	2338	$self->destroy;
1662	}	2339	}
1663		2340
1664	my $nuke_counter = "aaaa";	2341	my $nuke_counter = "aaaa";
1665		2342
1666	sub nuke {	2343	sub nuke {
1667	my ($self) = @_;	2344	my ($self) = @_;
1668		2345
		2346	{
		2347	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2348
1669	delete $cf::MAP{$self->path};	2349	delete $cf::MAP{$self->path};
1670		2350
1671	$self->unlink_save;	2351	$self->unlink_save;
1672		2352
1673	bless $self, "cf::map";	2353	bless $self, "cf::map::wrap";
1674	delete $self->{deny_reset};	2354	delete $self->{deny_reset};
1675	$self->{deny_save} = 1;	2355	$self->{deny_save} = 1;
1676	$self->reset_timeout (1);	2356	$self->reset_timeout (1);
1677	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2357	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1678		2358
1679	$cf::MAP{$self->path} = $self;	2359	$cf::MAP{$self->path} = $self;
		2360	}
1680		2361
1681	$self->reset; # polite request, might not happen	2362	$self->reset; # polite request, might not happen
		2363	}
		2364
		2365	=item $maps = cf::map::tmp_maps
		2366
		2367	Returns an arrayref with all map paths of currently instantiated and saved
		2368	maps. May block.
		2369
		2370	=cut
		2371
		2372	sub tmp_maps() {
		2373	[
		2374	map {
		2375	utf8::decode $_;
		2376	/\.map$/
		2377	? normalise $_
		2378	: ()
		2379	} @{ aio_readdir $TMPDIR or [] }
		2380	]
		2381	}
		2382
		2383	=item $maps = cf::map::random_maps
		2384
		2385	Returns an arrayref with all map paths of currently instantiated and saved
		2386	random maps. May block.
		2387
		2388	=cut
		2389
		2390	sub random_maps() {
		2391	[
		2392	map {
		2393	utf8::decode $_;
		2394	/\.map$/
		2395	? normalise "?random/$_"
		2396	: ()
		2397	} @{ aio_readdir $RANDOMDIR or [] }
		2398	]
1682	}	2399	}
1683		2400
1684	=item cf::map::unique_maps	2401	=item cf::map::unique_maps
1685		2402
1686	Returns an arrayref of paths of all shared maps that have	2403	Returns an arrayref of paths of all shared maps that have
1687	instantiated unique items. May block.	2404	instantiated unique items. May block.
1688		2405
1689	=cut	2406	=cut
1690		2407
1691	sub unique_maps() {	2408	sub unique_maps() {
1692	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2409	[
1693	or return;	2410	map {
1694
1695	my @paths;
1696
1697	for (@$files) {
1698	utf8::decode $_;	2411	utf8::decode $_;
1699	next if /\.pst$/;	2412	s/\.map$//; # TODO future compatibility hack
1700	next unless /^$PATH_SEP/o;	2413	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1701		2414	? ()
1702	push @paths, cf::map::normalise $_;	2415	: normalise $_
		2416	} @{ aio_readdir $UNIQUEDIR or [] }
1703	}	2417	]
1704
1705	\@paths
1706	}	2418	}
1707		2419
1708	package cf;	2420	=item cf::map::static_maps
		2421
		2422	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2423	file in the shared directory excluding F</styles> and F</editor>). May
		2424	block.
		2425
		2426	=cut
		2427
		2428	sub static_maps() {
		2429	my @dirs = "";
		2430	my @maps;
		2431
		2432	while (@dirs) {
		2433	my $dir = shift @dirs;
		2434
		2435	next if $dir eq "/styles" || $dir eq "/editor";
		2436
		2437	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2438	or return;
		2439
		2440	for (@$files) {
		2441	s/\.map$// or next;
		2442	utf8::decode $_;
		2443	push @maps, "$dir/$_";
		2444	}
		2445
		2446	push @dirs, map "$dir/$_", @$dirs;
		2447	}
		2448
		2449	\@maps
		2450	}
1709		2451
1710	=back	2452	=back
1711		2453
1712	=head3 cf::object	2454	=head3 cf::object
1713		2455
…		…
1717		2459
1718	=over 4	2460	=over 4
1719		2461
1720	=item $ob->inv_recursive	2462	=item $ob->inv_recursive
1721		2463
1722	Returns the inventory of the object _and_ their inventories, recursively.	2464	Returns the inventory of the object I<and> their inventories, recursively,
		2465	but I<not> the object itself.
1723		2466
1724	=cut	2467	=cut
1725		2468
1726	sub inv_recursive_;	2469	sub inv_recursive_;
1727	sub inv_recursive_ {	2470	sub inv_recursive_ {
…		…
1730		2473
1731	sub inv_recursive {	2474	sub inv_recursive {
1732	inv_recursive_ inv $_[0]	2475	inv_recursive_ inv $_[0]
1733	}	2476	}
1734		2477
		2478	=item $ref = $ob->ref
		2479
		2480	Creates and returns a persistent reference to an object that can be stored as a string.
		2481
		2482	=item $ob = cf::object::deref ($refstring)
		2483
		2484	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2485	even if the object actually exists. May block.
		2486
		2487	=cut
		2488
		2489	sub deref {
		2490	my ($ref) = @_;
		2491
		2492	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2493	my ($uuid, $name) = ($1, $2);
		2494	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2495	or return;
		2496	$pl->ob->uuid eq $uuid
		2497	or return;
		2498
		2499	$pl->ob
		2500	} else {
		2501	warn "$ref: cannot resolve object reference\n";
		2502	undef
		2503	}
		2504	}
		2505
1735	package cf;	2506	package cf;
1736		2507
1737	=back	2508	=back
1738		2509
1739	=head3 cf::object::player	2510	=head3 cf::object::player
…		…
1745	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2516	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1746	can be C<undef>. Does the right thing when the player is currently in a	2517	can be C<undef>. Does the right thing when the player is currently in a
1747	dialogue with the given NPC character.	2518	dialogue with the given NPC character.
1748		2519
1749	=cut	2520	=cut
		2521
		2522	our $SAY_CHANNEL = {
		2523	id => "say",
		2524	title => "Map",
		2525	reply => "say ",
		2526	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2527	};
		2528
		2529	our $CHAT_CHANNEL = {
		2530	id => "chat",
		2531	title => "Chat",
		2532	reply => "chat ",
		2533	tooltip => "Player chat and shouts, global to the server.",
		2534	};
1750		2535
1751	# rough implementation of a future "reply" method that works	2536	# rough implementation of a future "reply" method that works
1752	# with dialog boxes.	2537	# with dialog boxes.
1753	#TODO: the first argument must go, split into a $npc->reply_to ( method	2538	#TODO: the first argument must go, split into a $npc->reply_to ( method
1754	sub cf::object::player::reply($$$;$) {	2539	sub cf::object::player::reply($$$;$) {
…		…
1756		2541
1757	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2542	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1758		2543
1759	if ($self->{record_replies}) {	2544	if ($self->{record_replies}) {
1760	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2545	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2546
1761	} else {	2547	} else {
		2548	my $pl = $self->contr;
		2549
		2550	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2551	my $dialog = $pl->{npc_dialog};
		2552	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2553
		2554	} else {
1762	$msg = $npc->name . " says: $msg" if $npc;	2555	$msg = $npc->name . " says: $msg" if $npc;
1763	$self->message ($msg, $flags);	2556	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2557	}
1764	}	2558	}
		2559	}
		2560
		2561	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2562
		2563	=cut
		2564
		2565	sub cf::object::send_msg {
		2566	my $pl = shift->contr
		2567	or return;
		2568	$pl->send_msg (@_);
1765	}	2569	}
1766		2570
1767	=item $player_object->may ("access")	2571	=item $player_object->may ("access")
1768		2572
1769	Returns wether the given player is authorized to access resource "access"	2573	Returns wether the given player is authorized to access resource "access"
…		…
1782		2586
1783	=item $player_object->enter_link	2587	=item $player_object->enter_link
1784		2588
1785	Freezes the player and moves him/her to a special map (C<{link}>).	2589	Freezes the player and moves him/her to a special map (C<{link}>).
1786		2590
1787	The player should be reasonably safe there for short amounts of time. You	2591	The player should be reasonably safe there for short amounts of time (e.g.
1788	I<MUST> call C<leave_link> as soon as possible, though.	2592	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2593	though, as the player cannot control the character while it is on the link
		2594	map.
1789		2595
1790	Will never block.	2596	Will never block.
1791		2597
1792	=item $player_object->leave_link ($map, $x, $y)	2598	=item $player_object->leave_link ($map, $x, $y)
1793		2599
…		…
1813	sub cf::object::player::enter_link {	2619	sub cf::object::player::enter_link {
1814	my ($self) = @_;	2620	my ($self) = @_;
1815		2621
1816	$self->deactivate_recursive;	2622	$self->deactivate_recursive;
1817		2623
		2624	++$self->{_link_recursion};
		2625
1818	return if UNIVERSAL::isa $self->map, "ext::map_link";	2626	return if UNIVERSAL::isa $self->map, "ext::map_link";
1819		2627
1820	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2628	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1821	if $self->map;	2629	if $self->map && $self->map->{path} ne "{link}";
1822		2630
1823	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2631	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1824	}	2632	}
1825		2633
1826	sub cf::object::player::leave_link {	2634	sub cf::object::player::leave_link {
1827	my ($self, $map, $x, $y) = @_;	2635	my ($self, $map, $x, $y) = @_;
		2636
		2637	return unless $self->contr->active;
1828		2638
1829	my $link_pos = delete $self->{_link_pos};	2639	my $link_pos = delete $self->{_link_pos};
1830		2640
1831	unless ($map) {	2641	unless ($map) {
1832	# restore original map position	2642	# restore original map position
…		…
1843	($x, $y) = (-1, -1)	2653	($x, $y) = (-1, -1)
1844	unless (defined $x) && (defined $y);	2654	unless (defined $x) && (defined $y);
1845		2655
1846	# use -1 or undef as default coordinates, not 0, 0	2656	# use -1 or undef as default coordinates, not 0, 0
1847	($x, $y) = ($map->enter_x, $map->enter_y)	2657	($x, $y) = ($map->enter_x, $map->enter_y)
1848	if $x <=0 && $y <= 0;	2658	if $x <= 0 && $y <= 0;
1849		2659
1850	$map->load;	2660	$map->load;
1851	$map->load_diag;	2661	$map->load_neighbours;
1852		2662
1853	return unless $self->contr->active;	2663	return unless $self->contr->active;
1854	$self->activate_recursive;
1855		2664
1856	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2665	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1857	$self->enter_map ($map, $x, $y);	2666	if ($self->enter_map ($map, $x, $y)) {
1858	}	2667	# entering was successful
1859		2668	delete $self->{_link_recursion};
1860	cf::player->attach (	2669	# only activate afterwards, to support waiting in hooks
1861	on_logout => sub {	2670	$self->activate_recursive;
1862	my ($pl) = @_;
1863
1864	# abort map switching before logout
1865	if ($pl->ob->{_link_pos}) {
1866	cf::sync_job {
1867	$pl->ob->leave_link
1868	};
1869	}
1870	},	2671	}
1871	on_login => sub {
1872	my ($pl) = @_;
1873		2672
1874	# try to abort aborted map switching on player login :)	2673	}
1875	# should happen only on crashes
1876	if ($pl->ob->{_link_pos}) {
1877	$pl->ob->enter_link;
1878	(async {
1879	$pl->ob->reply (undef,
1880	"There was an internal problem at your last logout, "
1881	. "the server will try to bring you to your intended destination in a second.",
1882	cf::NDI_RED);
1883	# we need this sleep as the login has a concurrent enter_exit running
1884	# and this sleep increases chances of the player not ending up in scorn
1885	Coro::Timer::sleep 1;
1886	$pl->ob->leave_link;
1887	})->prio (2);
1888	}
1889	},
1890	);
1891		2674
1892	=item $player_object->goto ($path, $x, $y)	2675	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1893		2676
		2677	Moves the player to the given map-path and coordinates by first freezing
		2678	her, loading and preparing them map, calling the provided $check callback
		2679	that has to return the map if sucecssful, and then unfreezes the player on
		2680	the new (success) or old (failed) map position. In either case, $done will
		2681	be called at the end of this process.
		2682
		2683	Note that $check will be called with a potentially non-loaded map, so if
		2684	it needs a loaded map it has to call C<< ->load >>.
		2685
1894	=cut	2686	=cut
		2687
		2688	our $GOTOGEN;
1895		2689
1896	sub cf::object::player::goto {	2690	sub cf::object::player::goto {
1897	my ($self, $path, $x, $y) = @_;	2691	my ($self, $path, $x, $y, $check, $done) = @_;
		2692
		2693	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2694	warn "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2695	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2696	($path, $x, $y) = @$EMERGENCY_POSITION;
		2697	}
		2698
		2699	# do generation counting so two concurrent goto's will be executed in-order
		2700	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1898		2701
1899	$self->enter_link;	2702	$self->enter_link;
1900		2703
1901	(async {	2704	(async {
		2705	$Coro::current->{desc} = "player::goto $path $x $y";
		2706
		2707	# *tag paths override both path and x|y
		2708	if ($path =~ /^\*(.*)$/) {
		2709	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2710	my $ob = $obs[rand @obs];
		2711
		2712	# see if we actually can go there
		2713	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2714	$ob = $obs[rand @obs];
		2715	} else {
		2716	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2717	}
		2718	# else put us there anyways for now #d#
		2719
		2720	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2721	} else {
		2722	($path, $x, $y) = (undef, undef, undef);
		2723	}
		2724	}
		2725
1902	my $map = eval {	2726	my $map = eval {
1903	my $map = cf::map::find $path;	2727	my $map = defined $path ? cf::map::find $path : undef;
		2728
		2729	if ($map) {
1904	$map = $map->customise_for ($self) if $map;	2730	$map = $map->customise_for ($self);
		2731	$map = $check->($map, $x, $y, $self) if $check && $map;
		2732	} else {
		2733	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2734	}
		2735
1905	$map	2736	$map
		2737	};
		2738
		2739	if ($@) {
		2740	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2741	LOG llevError | logBacktrace, Carp::longmess $@;
1906	} or	2742	}
1907	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1908		2743
		2744	if ($gen == $self->{_goto_generation}) {
		2745	delete $self->{_goto_generation};
1909	$self->leave_link ($map, $x, $y);	2746	$self->leave_link ($map, $x, $y);
		2747	}
		2748
		2749	$done->($self) if $done;
1910	})->prio (1);	2750	})->prio (1);
1911	}	2751	}
1912		2752
1913	=item $player_object->enter_exit ($exit_object)	2753	=item $player_object->enter_exit ($exit_object)
1914		2754
…		…
1934	}	2774	}
1935		2775
1936	sub prepare_random_map {	2776	sub prepare_random_map {
1937	my ($exit) = @_;	2777	my ($exit) = @_;
1938		2778
1939	my $guard = cf::lock_acquire "exit_prepare:$exit";
1940
1941	# all this does is basically replace the /! path by	2779	# all this does is basically replace the /! path by
1942	# a new random map path (?random/...) with a seed	2780	# a new random map path (?random/...) with a seed
1943	# that depends on the exit object	2781	# that depends on the exit object
1944		2782
1945	my $rmp = parse_random_map_params $exit->msg;	2783	my $rmp = parse_random_map_params $exit->msg;
…		…
1947	if ($exit->map) {	2785	if ($exit->map) {
1948	$rmp->{region} = $exit->region->name;	2786	$rmp->{region} = $exit->region->name;
1949	$rmp->{origin_map} = $exit->map->path;	2787	$rmp->{origin_map} = $exit->map->path;
1950	$rmp->{origin_x} = $exit->x;	2788	$rmp->{origin_x} = $exit->x;
1951	$rmp->{origin_y} = $exit->y;	2789	$rmp->{origin_y} = $exit->y;
		2790
		2791	$exit->map->touch;
1952	}	2792	}
1953		2793
1954	$rmp->{random_seed} ||= $exit->random_seed;	2794	$rmp->{random_seed} ||= $exit->random_seed;
1955		2795
1956	my $data = cf::to_json $rmp;	2796	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1957	my $md5 = Digest::MD5::md5_hex $data;	2797	my $md5 = Digest::MD5::md5_hex $data;
1958	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2798	my $meta = "$RANDOMDIR/$md5.meta";
1959		2799
1960	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2800	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1961	aio_write $fh, 0, (length $data), $data, 0;	2801	aio_write $fh, 0, (length $data), $data, 0;
1962	undef $fh;	2802	undef $fh;
1963	aio_rename "$meta~", $meta;	2803	aio_rename "$meta~", $meta;
1964		2804
		2805	my $slaying = "?random/$md5";
		2806
		2807	if ($exit->valid) {
1965	$exit->slaying ("?random/$md5");	2808	$exit->slaying ("?random/$md5");
1966	$exit->msg (undef);	2809	$exit->msg (undef);
		2810	}
1967	}	2811	}
1968	}	2812	}
1969		2813
1970	sub cf::object::player::enter_exit {	2814	sub cf::object::player::enter_exit {
1971	my ($self, $exit) = @_;	2815	my ($self, $exit) = @_;
1972		2816
1973	return unless $self->type == cf::PLAYER;	2817	return unless $self->type == cf::PLAYER;
1974		2818
1975	if ($exit->slaying eq "/!") {
1976	#TODO: this should de-fi-ni-te-ly not be a sync-job
1977	# the problem is that $exit might not survive long enough
1978	# so it needs to be done right now, right here
1979	cf::sync_job { prepare_random_map $exit };
1980	}
1981
1982	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1983	my $hp = $exit->stats->hp;
1984	my $sp = $exit->stats->sp;
1985
1986	$self->enter_link;	2819	$self->enter_link;
1987		2820
1988	(async {	2821	(async {
1989	$self->deactivate_recursive; # just to be sure	2822	$Coro::current->{desc} = "enter_exit";
		2823
1990	unless (eval {	2824	unless (eval {
		2825	$self->deactivate_recursive; # just to be sure
		2826
		2827	# random map handling
		2828	{
		2829	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2830
		2831	prepare_random_map $exit
		2832	if $exit->slaying eq "/!";
		2833	}
		2834
		2835	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2836	my $x = $exit->stats->hp;
		2837	my $y = $exit->stats->sp;
		2838
1991	$self->goto ($slaying, $hp, $sp);	2839	$self->goto ($map, $x, $y);
1992		2840
		2841	# if exit is damned, update players death & WoR home-position
		2842	$self->contr->savebed ($map, $x, $y)
		2843	if $exit->flag (cf::FLAG_DAMNED);
		2844
1993	1;	2845	1
1994	}) {	2846	}) {
1995	$self->message ("Something went wrong deep within the crossfire server. "	2847	$self->message ("Something went wrong deep within the deliantra server. "
1996	. "I'll try to bring you back to the map you were before. "	2848	. "I'll try to bring you back to the map you were before. "
1997	. "Please report this to the dungeon master!",	2849	. "Please report this to the dungeon master!",
1998	cf::NDI_UNIQUE | cf::NDI_RED);	2850	cf::NDI_UNIQUE | cf::NDI_RED);
1999		2851
2000	warn "ERROR in enter_exit: $@";	2852	warn "ERROR in enter_exit: $@";
…		…
2019		2871
2020	utf8::encode $text;	2872	utf8::encode $text;
2021	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2873	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2022	}	2874	}
2023		2875
		2876	=item $client->send_big_packet ($pkt)
		2877
		2878	Like C<send_packet>, but tries to compress large packets, and fragments
		2879	them as required.
		2880
		2881	=cut
		2882
		2883	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2884
		2885	sub cf::client::send_big_packet {
		2886	my ($self, $pkt) = @_;
		2887
		2888	# try lzf for large packets
		2889	$pkt = "lzf " . Compress::LZF::compress $pkt
		2890	if 1024 <= length $pkt and $self->{can_lzf};
		2891
		2892	# split very large packets
		2893	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2894	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2895	$pkt = "frag";
		2896	}
		2897
		2898	$self->send_packet ($pkt);
		2899	}
		2900
		2901	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2902
		2903	Send a drawinfo or msg packet to the client, formatting the msg for the
		2904	client if neccessary. C<$type> should be a string identifying the type of
		2905	the message, with C<log> being the default. If C<$color> is negative, suppress
		2906	the message unless the client supports the msg packet.
		2907
		2908	=cut
		2909
		2910	# non-persistent channels (usually the info channel)
		2911	our %CHANNEL = (
		2912	"c/motd" => {
		2913	id => "infobox",
		2914	title => "MOTD",
		2915	reply => undef,
		2916	tooltip => "The message of the day",
		2917	},
		2918	"c/identify" => {
		2919	id => "infobox",
		2920	title => "Identify",
		2921	reply => undef,
		2922	tooltip => "Items recently identified",
		2923	},
		2924	"c/examine" => {
		2925	id => "infobox",
		2926	title => "Examine",
		2927	reply => undef,
		2928	tooltip => "Signs and other items you examined",
		2929	},
		2930	"c/shopinfo" => {
		2931	id => "infobox",
		2932	title => "Shop Info",
		2933	reply => undef,
		2934	tooltip => "What your bargaining skill tells you about the shop",
		2935	},
		2936	"c/book" => {
		2937	id => "infobox",
		2938	title => "Book",
		2939	reply => undef,
		2940	tooltip => "The contents of a note or book",
		2941	},
		2942	"c/lookat" => {
		2943	id => "infobox",
		2944	title => "Look",
		2945	reply => undef,
		2946	tooltip => "What you saw there",
		2947	},
		2948	"c/who" => {
		2949	id => "infobox",
		2950	title => "Players",
		2951	reply => undef,
		2952	tooltip => "Shows players who are currently online",
		2953	},
		2954	"c/body" => {
		2955	id => "infobox",
		2956	title => "Body Parts",
		2957	reply => undef,
		2958	tooltip => "Shows which body parts you posess and are available",
		2959	},
		2960	"c/statistics" => {
		2961	id => "infobox",
		2962	title => "Statistics",
		2963	reply => undef,
		2964	tooltip => "Shows your primary statistics",
		2965	},
		2966	"c/skills" => {
		2967	id => "infobox",
		2968	title => "Skills",
		2969	reply => undef,
		2970	tooltip => "Shows your experience per skill and item power",
		2971	},
		2972	"c/shopitems" => {
		2973	id => "infobox",
		2974	title => "Shop Items",
		2975	reply => undef,
		2976	tooltip => "Shows the items currently for sale in this shop",
		2977	},
		2978	"c/resistances" => {
		2979	id => "infobox",
		2980	title => "Resistances",
		2981	reply => undef,
		2982	tooltip => "Shows your resistances",
		2983	},
		2984	"c/pets" => {
		2985	id => "infobox",
		2986	title => "Pets",
		2987	reply => undef,
		2988	tooltip => "Shows information abotu your pets/a specific pet",
		2989	},
		2990	"c/perceiveself" => {
		2991	id => "infobox",
		2992	title => "Perceive Self",
		2993	reply => undef,
		2994	tooltip => "You gained detailed knowledge about yourself",
		2995	},
		2996	"c/uptime" => {
		2997	id => "infobox",
		2998	title => "Uptime",
		2999	reply => undef,
		3000	tooltip => "How long the server has been running since last restart",
		3001	},
		3002	"c/mapinfo" => {
		3003	id => "infobox",
		3004	title => "Map Info",
		3005	reply => undef,
		3006	tooltip => "Information related to the maps",
		3007	},
		3008	"c/party" => {
		3009	id => "party",
		3010	title => "Party",
		3011	reply => "gsay ",
		3012	tooltip => "Messages and chat related to your party",
		3013	},
		3014	"c/death" => {
		3015	id => "death",
		3016	title => "Death",
		3017	reply => undef,
		3018	tooltip => "Reason for and more info about your most recent death",
		3019	},
		3020	"c/say" => $SAY_CHANNEL,
		3021	"c/chat" => $CHAT_CHANNEL,
		3022	);
		3023
		3024	sub cf::client::send_msg {
		3025	my ($self, $channel, $msg, $color, @extra) = @_;
		3026
		3027	$msg = $self->pl->expand_cfpod ($msg)
		3028	unless $color & cf::NDI_VERBATIM;
		3029
		3030	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3031
		3032	# check predefined channels, for the benefit of C
		3033	if ($CHANNEL{$channel}) {
		3034	$channel = $CHANNEL{$channel};
		3035
		3036	$self->ext_msg (channel_info => $channel);
		3037	$channel = $channel->{id};
		3038
		3039	} elsif (ref $channel) {
		3040	# send meta info to client, if not yet sent
		3041	unless (exists $self->{channel}{$channel->{id}}) {
		3042	$self->{channel}{$channel->{id}} = $channel;
		3043	$self->ext_msg (channel_info => $channel);
		3044	}
		3045
		3046	$channel = $channel->{id};
		3047	}
		3048
		3049	return unless @extra || length $msg;
		3050
		3051	# default colour, mask it out
		3052	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3053	if $color & cf::NDI_DEF;
		3054
		3055	my $pkt = "msg "
		3056	. $self->{json_coder}->encode (
		3057	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3058	);
		3059
		3060	$self->send_big_packet ($pkt);
		3061	}
		3062
2024	=item $client->ext_event ($type, %msg)	3063	=item $client->ext_msg ($type, @msg)
2025		3064
2026	Sends an exti event to the client.	3065	Sends an ext event to the client.
2027		3066
2028	=cut	3067	=cut
2029		3068
2030	sub cf::client::ext_event($$%) {	3069	sub cf::client::ext_msg($$@) {
2031	my ($self, $type, %msg) = @_;	3070	my ($self, $type, @msg) = @_;
2032		3071
		3072	if ($self->extcmd == 2) {
		3073	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3074	} elsif ($self->extcmd == 1) { # TODO: remove
2033	$msg{msgtype} = "event_$type";	3075	push @msg, msgtype => "event_$type";
2034	$self->send_packet ("ext " . cf::to_json \%msg);	3076	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3077	}
		3078	}
		3079
		3080	=item $client->ext_reply ($msgid, @msg)
		3081
		3082	Sends an ext reply to the client.
		3083
		3084	=cut
		3085
		3086	sub cf::client::ext_reply($$@) {
		3087	my ($self, $id, @msg) = @_;
		3088
		3089	if ($self->extcmd == 2) {
		3090	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3091	} elsif ($self->extcmd == 1) {
		3092	#TODO: version 1, remove
		3093	unshift @msg, msgtype => "reply", msgid => $id;
		3094	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3095	}
2035	}	3096	}
2036		3097
2037	=item $success = $client->query ($flags, "text", \&cb)	3098	=item $success = $client->query ($flags, "text", \&cb)
2038		3099
2039	Queues a query to the client, calling the given callback with	3100	Queues a query to the client, calling the given callback with
2040	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3101	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2041	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3102	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2042		3103
2043	Queries can fail, so check the return code. Or don't, as queries will become	3104	Queries can fail, so check the return code. Or don't, as queries will
2044	reliable at some point in the future.	3105	become reliable at some point in the future.
2045		3106
2046	=cut	3107	=cut
2047		3108
2048	sub cf::client::query {	3109	sub cf::client::query {
2049	my ($self, $flags, $text, $cb) = @_;	3110	my ($self, $flags, $text, $cb) = @_;
…		…
2057	utf8::encode $text;	3118	utf8::encode $text;
2058	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3119	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2059		3120
2060	$self->send_packet ($self->{query_queue}[0][0])	3121	$self->send_packet ($self->{query_queue}[0][0])
2061	if @{ $self->{query_queue} } == 1;	3122	if @{ $self->{query_queue} } == 1;
		3123
		3124	1
2062	}	3125	}
2063		3126
2064	cf::client->attach (	3127	cf::client->attach (
		3128	on_connect => sub {
		3129	my ($ns) = @_;
		3130
		3131	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3132	},
2065	on_reply => sub {	3133	on_reply => sub {
2066	my ($ns, $msg) = @_;	3134	my ($ns, $msg) = @_;
2067		3135
2068	# this weird shuffling is so that direct followup queries	3136	# this weird shuffling is so that direct followup queries
2069	# get handled first	3137	# get handled first
…		…
2081	} else {	3149	} else {
2082	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3150	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2083	}	3151	}
2084	}	3152	}
2085	},	3153	},
		3154	on_exticmd => sub {
		3155	my ($ns, $buf) = @_;
		3156
		3157	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3158
		3159	if (ref $msg) {
		3160	my ($type, $reply, @payload) =
		3161	"ARRAY" eq ref $msg
		3162	? @$msg
		3163	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3164
		3165	my @reply;
		3166
		3167	if (my $cb = $EXTICMD{$type}) {
		3168	@reply = $cb->($ns, @payload);
		3169	}
		3170
		3171	$ns->ext_reply ($reply, @reply)
		3172	if $reply;
		3173
		3174	} else {
		3175	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3176	}
		3177
		3178	cf::override;
		3179	},
2086	);	3180	);
2087		3181
2088	=item $client->async (\&cb)	3182	=item $client->async (\&cb)
2089		3183
2090	Create a new coroutine, running the specified callback. The coroutine will	3184	Create a new coroutine, running the specified callback. The coroutine will
…		…
2106		3200
2107	$coro	3201	$coro
2108	}	3202	}
2109		3203
2110	cf::client->attach (	3204	cf::client->attach (
2111	on_destroy => sub {	3205	on_client_destroy => sub {
2112	my ($ns) = @_;	3206	my ($ns) = @_;
2113		3207
2114	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3208	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2115	},	3209	},
2116	);	3210	);
…		…
2131	our $safe = new Safe "safe";	3225	our $safe = new Safe "safe";
2132	our $safe_hole = new Safe::Hole;	3226	our $safe_hole = new Safe::Hole;
2133		3227
2134	$SIG{FPE} = 'IGNORE';	3228	$SIG{FPE} = 'IGNORE';
2135		3229
2136	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3230	$safe->permit_only (Opcode::opset qw(
		3231	:base_core :base_mem :base_orig :base_math :base_loop
		3232	grepstart grepwhile mapstart mapwhile
		3233	sort time
		3234	));
2137		3235
2138	# here we export the classes and methods available to script code	3236	# here we export the classes and methods available to script code
2139		3237
2140	=pod	3238	=pod
2141		3239
2142	The following functions and methods are available within a safe environment:	3240	The following functions and methods are available within a safe environment:
2143		3241
2144	cf::object contr pay_amount pay_player map	3242	cf::object
		3243	contr pay_amount pay_player map x y force_find force_add destroy
		3244	insert remove name archname title slaying race decrease split
		3245	value
		3246
2145	cf::object::player player	3247	cf::object::player
2146	cf::player peaceful	3248	player
2147	cf::map trigger	3249
		3250	cf::player
		3251	peaceful
		3252
		3253	cf::map
		3254	trigger
2148		3255
2149	=cut	3256	=cut
2150		3257
2151	for (	3258	for (
2152	["cf::object" => qw(contr pay_amount pay_player map)],	3259	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3260	insert remove inv nrof name archname title slaying race
		3261	decrease split destroy change_exp value msg lore send_msg)],
2153	["cf::object::player" => qw(player)],	3262	["cf::object::player" => qw(player)],
2154	["cf::player" => qw(peaceful)],	3263	["cf::player" => qw(peaceful send_msg)],
2155	["cf::map" => qw(trigger)],	3264	["cf::map" => qw(trigger)],
2156	) {	3265	) {
2157	no strict 'refs';	3266	no strict 'refs';
2158	my ($pkg, @funs) = @$_;	3267	my ($pkg, @funs) = @$_;
2159	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3268	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2177		3286
2178	my $qcode = $code;	3287	my $qcode = $code;
2179	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3288	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2180	$qcode =~ s/\n/\\n/g;	3289	$qcode =~ s/\n/\\n/g;
2181		3290
		3291	%vars = (_dummy => 0) unless %vars;
		3292
		3293	my @res;
2182	local $_;	3294	local $_;
2183	local @safe::cf::_safe_eval_args = values %vars;
2184		3295
2185	my $eval =	3296	my $eval =
2186	"do {\n"	3297	"do {\n"
2187	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3298	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2188	. "#line 0 \"{$qcode}\"\n"	3299	. "#line 0 \"{$qcode}\"\n"
2189	. $code	3300	. $code
2190	. "\n}"	3301	. "\n}"
2191	;	3302	;
2192		3303
		3304	if ($CFG{safe_eval}) {
2193	sub_generation_inc;	3305	sub_generation_inc;
		3306	local @safe::cf::_safe_eval_args = values %vars;
2194	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3307	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2195	sub_generation_inc;	3308	sub_generation_inc;
		3309	} else {
		3310	local @cf::_safe_eval_args = values %vars;
		3311	@res = wantarray ? eval eval : scalar eval $eval;
		3312	}
2196		3313
2197	if ($@) {	3314	if ($@) {
2198	warn "$@";	3315	warn "$@";
2199	warn "while executing safe code '$code'\n";	3316	warn "while executing safe code '$code'\n";
2200	warn "with arguments " . (join " ", %vars) . "\n";	3317	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2219	=cut	3336	=cut
2220		3337
2221	sub register_script_function {	3338	sub register_script_function {
2222	my ($fun, $cb) = @_;	3339	my ($fun, $cb) = @_;
2223		3340
2224	no strict 'refs';	3341	$fun = "safe::$fun" if $CFG{safe_eval};
2225	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3342	*$fun = $safe_hole->wrap ($cb);
2226	}	3343	}
2227		3344
2228	=back	3345	=back
2229		3346
2230	=cut	3347	=cut
2231
2232	#############################################################################
2233
2234	=head2 EXTENSION DATABASE SUPPORT
2235
2236	Crossfire maintains a very simple database for extension use. It can
2237	currently store anything that can be serialised using Storable, which
2238	excludes objects.
2239
2240	The parameter C<$family> should best start with the name of the extension
2241	using it, it should be unique.
2242
2243	=over 4
2244
2245	=item $value = cf::db_get $family => $key
2246
2247	Returns a single value from the database.
2248
2249	=item cf::db_put $family => $key => $value
2250
2251	Stores the given C<$value> in the family.
2252
2253	=cut
2254
2255	our $DB;
2256
2257	sub db_init {
2258	unless ($DB) {
2259	$DB = BDB::db_create $DB_ENV;
2260
2261	cf::sync_job {
2262	eval {
2263	$DB->set_flags (BDB::CHKSUM);
2264
2265	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2266	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2267	cf::cleanup "db_open(db): $!" if $!;
2268	};
2269	cf::cleanup "db_open(db): $@" if $@;
2270	};
2271
2272	my $path = cf::localdir . "/database.pst";
2273	if (stat $path) {
2274	cf::sync_job {
2275	my $pst = Storable::retrieve $path;
2276
2277	cf::db_put (board => data => $pst->{board});
2278	cf::db_put (guildrules => data => $pst->{guildrules});
2279	cf::db_put (rent => balance => $pst->{rent}{balance});
2280	BDB::db_env_txn_checkpoint $DB_ENV;
2281
2282	unlink $path;
2283	};
2284	}
2285	}
2286	}
2287
2288	sub db_get($$) {
2289	my $key = "$_[0]/$_[1]";
2290
2291	cf::sync_job {
2292	BDB::db_get $DB, undef, $key, my $data;
2293
2294	$! ? ()
2295	: Compress::LZF::sthaw $data
2296	}
2297	}
2298
2299	sub db_put($$$) {
2300	BDB::dbreq_pri 4;
2301	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2302	}
2303		3348
2304	#############################################################################	3349	#############################################################################
2305	# the server's init and main functions	3350	# the server's init and main functions
2306		3351
2307	sub load_facedata {	3352	sub load_facedata($) {
2308	my $path = sprintf "%s/facedata", cf::datadir;	3353	my ($path) = @_;
		3354
		3355	# HACK to clear player env face cache, we need some signal framework
		3356	# for this (global event?)
		3357	%ext::player_env::MUSIC_FACE_CACHE = ();
		3358
		3359	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2309		3360
2310	warn "loading facedata from $path\n";	3361	warn "loading facedata from $path\n";
2311		3362
2312	my $faces;	3363	my $facedata;
2313	0 < aio_load $path, $faces	3364	0 < aio_load $path, $facedata
2314	or die "$path: $!";	3365	or die "$path: $!";
2315		3366
2316	Coro::cede;
2317	$faces = Storable::thaw $faces;	3367	$facedata = Coro::Storable::thaw $facedata;
2318	Coro::cede;
2319		3368
2320	my $meta = delete $faces->{""};
2321	$meta->{version} == 1	3369	$facedata->{version} == 2
2322	or cf::cleanup "$path: version mismatch, cannot proceed.";	3370	or cf::cleanup "$path: version mismatch, cannot proceed.";
2323		3371
		3372	# patch in the exptable
		3373	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3374	$facedata->{resource}{"res/exp_table"} = {
		3375	type => FT_RSRC,
		3376	data => $exp_table,
		3377	hash => (Digest::MD5::md5 $exp_table),
		3378	};
		3379	cf::cede_to_tick;
		3380
		3381	{
		3382	my $faces = $facedata->{faceinfo};
		3383
2324	while (my ($face, $info) = each %$faces) {	3384	while (my ($face, $info) = each %$faces) {
2325	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3385	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2326	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3386
		3387	cf::face::set_visibility $idx, $info->{visibility};
		3388	cf::face::set_magicmap $idx, $info->{magicmap};
2327	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3389	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2328	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3390	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2329	Coro::cede;
2330	}
2331		3391
		3392	cf::cede_to_tick;
		3393	}
		3394
2332	while (my ($face, $info) = each %$faces) {	3395	while (my ($face, $info) = each %$faces) {
2333	next unless $info->{smooth};	3396	next unless $info->{smooth};
		3397
2334	my $idx = cf::face::find $face	3398	my $idx = cf::face::find $face
		3399	or next;
		3400
		3401	if (my $smooth = cf::face::find $info->{smooth}) {
		3402	cf::face::set_smooth $idx, $smooth;
		3403	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3404	} else {
		3405	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3406	}
		3407
		3408	cf::cede_to_tick;
		3409	}
		3410	}
		3411
		3412	{
		3413	my $anims = $facedata->{animinfo};
		3414
		3415	while (my ($anim, $info) = each %$anims) {
		3416	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3417	cf::cede_to_tick;
		3418	}
		3419
		3420	cf::anim::invalidate_all; # d'oh
		3421	}
		3422
		3423	{
		3424	my $res = $facedata->{resource};
		3425
		3426	while (my ($name, $info) = each %$res) {
		3427	if (defined $info->{type}) {
		3428	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3429
		3430	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3431	cf::face::set_type $idx, $info->{type};
		3432	} else {
		3433	$RESOURCE{$name} = $info; # unused
		3434	}
		3435
		3436	cf::cede_to_tick;
		3437	}
		3438	}
		3439
		3440	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3441
		3442	1
		3443	}
		3444
		3445	register_exticmd fx_want => sub {
		3446	my ($ns, $want) = @_;
		3447
		3448	while (my ($k, $v) = each %$want) {
		3449	$ns->fx_want ($k, $v);
		3450	}
		3451	};
		3452
		3453	sub load_resource_file($) {
		3454	my $guard = lock_acquire "load_resource_file";
		3455
		3456	my $status = load_resource_file_ $_[0];
		3457	get_slot 0.1, 100;
		3458	cf::arch::commit_load;
		3459
		3460	$status
		3461	}
		3462
		3463	sub reload_regions {
		3464	# HACK to clear player env face cache, we need some signal framework
		3465	# for this (global event?)
		3466	%ext::player_env::MUSIC_FACE_CACHE = ();
		3467
		3468	load_resource_file "$MAPDIR/regions"
		3469	or die "unable to load regions file\n";
		3470
		3471	for (cf::region::list) {
		3472	$_->{match} = qr/$_->{match}/
		3473	if exists $_->{match};
		3474	}
		3475	}
		3476
		3477	sub reload_facedata {
		3478	load_facedata "$DATADIR/facedata"
		3479	or die "unable to load facedata\n";
		3480	}
		3481
		3482	sub reload_archetypes {
		3483	load_resource_file "$DATADIR/archetypes"
		3484	or die "unable to load archetypes\n";
		3485	}
		3486
		3487	sub reload_treasures {
		3488	load_resource_file "$DATADIR/treasures"
		3489	or die "unable to load treasurelists\n";
		3490	}
		3491
		3492	sub reload_sound {
		3493	warn "loading sound config from $DATADIR/sound\n";
		3494
		3495	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3496	or die "$DATADIR/sound $!";
		3497
		3498	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3499
		3500	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3501	my $sound = $soundconf->{compat}[$_]
2335	or next;	3502	or next;
2336	if (my $smooth = cf::face::find $info->{smooth}) {
2337	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2338	} else {
2339	warn "smooth face '$info->{smooth}' not found for face '$face'";
2340	}
2341	Coro::cede;
2342	}
2343		3503
		3504	my $face = cf::face::find "sound/$sound->[1]";
		3505	cf::sound::set $sound->[0] => $face;
		3506	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2344	1	3507	}
		3508
		3509	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3510	my $face = cf::face::find "sound/$v";
		3511	cf::sound::set $k => $face;
		3512	}
2345	}	3513	}
2346		3514
2347	sub reload_resources {	3515	sub reload_resources {
2348	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3516	warn "reloading resource files...\n";
2349	or die "unable to load regions file\n";#d#	3517
2350	load_facedata	3518	reload_facedata;
2351	or die "unable to load facedata\n";#d#	3519	reload_sound;
2352	}	3520	reload_archetypes;
2353
2354	sub init {
2355	reload_resources;	3521	reload_regions;
2356	}	3522	reload_treasures;
2357		3523
2358	sub cfg_load {	3524	warn "finished reloading resource files\n";
		3525	}
		3526
		3527	sub reload_config {
		3528	warn "reloading config file...\n";
		3529
2359	open my $fh, "<:utf8", cf::confdir . "/config"	3530	open my $fh, "<:utf8", "$CONFDIR/config"
2360	or return;	3531	or return;
2361		3532
2362	local $/;	3533	local $/;
2363	*CFG = YAML::Syck::Load <$fh>;	3534	*CFG = YAML::XS::Load scalar <$fh>;
2364		3535
2365	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3536	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2366		3537
2367	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3538	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2368	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3539	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2369		3540
2370	if (exists $CFG{mlockall}) {	3541	if (exists $CFG{mlockall}) {
…		…
2372	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3543	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2373	and die "WARNING: m(un)lockall failed: $!\n";	3544	and die "WARNING: m(un)lockall failed: $!\n";
2374	};	3545	};
2375	warn $@ if $@;	3546	warn $@ if $@;
2376	}	3547	}
		3548
		3549	warn "finished reloading resource files\n";
		3550	}
		3551
		3552	sub pidfile() {
		3553	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3554	or die "$PIDFILE: $!";
		3555	flock $fh, &Fcntl::LOCK_EX
		3556	or die "$PIDFILE: flock: $!";
		3557	$fh
		3558	}
		3559
		3560	# make sure only one server instance is running at any one time
		3561	sub atomic {
		3562	my $fh = pidfile;
		3563
		3564	my $pid = <$fh>;
		3565	kill 9, $pid if $pid > 0;
		3566
		3567	seek $fh, 0, 0;
		3568	print $fh $$;
		3569	}
		3570
		3571	sub main_loop {
		3572	warn "EV::loop starting\n";
		3573	if (1) {
		3574	EV::loop;
		3575	}
		3576	warn "EV::loop returned\n";
		3577	goto &main_loop unless $REALLY_UNLOOP;
2377	}	3578	}
2378		3579
2379	sub main {	3580	sub main {
		3581	cf::init_globals; # initialise logging
		3582
		3583	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3584	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3585	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3586	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3587
		3588	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3589
2380	# we must not ever block the main coroutine	3590	# we must not ever block the main coroutine
2381	local $Coro::idle = sub {	3591	local $Coro::idle = sub {
2382	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3592	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2383	(async {	3593	(async {
2384	Event::one_event;	3594	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3595	EV::loop EV::LOOP_ONESHOT;
2385	})->prio (Coro::PRIO_MAX);	3596	})->prio (Coro::PRIO_MAX);
2386	};	3597	};
2387		3598
2388	cfg_load;	3599	evthread_start IO::AIO::poll_fileno;
		3600
		3601	cf::sync_job {
		3602	cf::init_experience;
		3603	cf::init_anim;
		3604	cf::init_attackmess;
		3605	cf::init_dynamic;
		3606
		3607	cf::load_settings;
		3608	cf::load_materials;
		3609
		3610	reload_resources;
		3611	reload_config;
2389	db_init;	3612	db_init;
		3613
		3614	cf::init_uuid;
		3615	cf::init_signals;
		3616	cf::init_skills;
		3617
		3618	cf::init_beforeplay;
		3619
		3620	atomic;
		3621
2390	load_extensions;	3622	load_extensions;
2391		3623
2392	$TICK_WATCHER->start;	3624	utime time, time, $RUNTIMEFILE;
2393	Event::loop;	3625
		3626	# no (long-running) fork's whatsoever before this point(!)
		3627	use POSIX ();
		3628	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3629
		3630	(pop @POST_INIT)->(0) while @POST_INIT;
		3631	};
		3632
		3633	cf::object::thawer::errors_are_fatal 0;
		3634	warn "parse errors in files are no longer fatal from this point on.\n";
		3635
		3636	main_loop;
2394	}	3637	}
2395		3638
2396	#############################################################################	3639	#############################################################################
2397	# initialisation and cleanup	3640	# initialisation and cleanup
2398		3641
2399	# install some emergency cleanup handlers	3642	# install some emergency cleanup handlers
2400	BEGIN {	3643	BEGIN {
		3644	our %SIGWATCHER = ();
2401	for my $signal (qw(INT HUP TERM)) {	3645	for my $signal (qw(INT HUP TERM)) {
2402	Event->signal (	3646	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2403	reentrant => 0,
2404	data => WF_AUTOCANCEL,
2405	signal => $signal,
2406	prio => 0,
2407	cb => sub {
2408	cf::cleanup "SIG$signal";	3647	cf::cleanup "SIG$signal";
2409	},
2410	);	3648	};
		3649	}
		3650	}
		3651
		3652	sub write_runtime_sync {
		3653	my $t0 = AE::time;
		3654
		3655	# first touch the runtime file to show we are still running:
		3656	# the fsync below can take a very very long time.
		3657
		3658	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3659
		3660	my $guard = cf::lock_acquire "write_runtime";
		3661
		3662	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3663	or return;
		3664
		3665	my $value = $cf::RUNTIME + 90 + 10;
		3666	# 10 is the runtime save interval, for a monotonic clock
		3667	# 60 allows for the watchdog to kill the server.
		3668
		3669	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3670	and return;
		3671
		3672	# always fsync - this file is important
		3673	aio_fsync $fh
		3674	and return;
		3675
		3676	# touch it again to show we are up-to-date
		3677	aio_utime $fh, undef, undef;
		3678
		3679	close $fh
		3680	or return;
		3681
		3682	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3683	and return;
		3684
		3685	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3686
2411	}	3687	1
		3688	}
		3689
		3690	our $uuid_lock;
		3691	our $uuid_skip;
		3692
		3693	sub write_uuid_sync($) {
		3694	$uuid_skip ||= $_[0];
		3695
		3696	return if $uuid_lock;
		3697	local $uuid_lock = 1;
		3698
		3699	my $uuid = "$LOCALDIR/uuid";
		3700
		3701	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3702	or return;
		3703
		3704	my $value = uuid_seq uuid_cur;
		3705
		3706	unless ($value) {
		3707	warn "cowardly refusing to write zero uuid value!\n";
		3708	return;
		3709	}
		3710
		3711	my $value = uuid_str $value + $uuid_skip;
		3712	$uuid_skip = 0;
		3713
		3714	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3715	and return;
		3716
		3717	# always fsync - this file is important
		3718	aio_fsync $fh
		3719	and return;
		3720
		3721	close $fh
		3722	or return;
		3723
		3724	aio_rename "$uuid~", $uuid
		3725	and return;
		3726
		3727	warn "uuid file written ($value).\n";
		3728
		3729	1
		3730
		3731	}
		3732
		3733	sub write_uuid($$) {
		3734	my ($skip, $sync) = @_;
		3735
		3736	$sync ? write_uuid_sync $skip
		3737	: async { write_uuid_sync $skip };
2412	}	3738	}
2413		3739
2414	sub emergency_save() {	3740	sub emergency_save() {
2415	my $freeze_guard = cf::freeze_mainloop;	3741	my $freeze_guard = cf::freeze_mainloop;
2416		3742
2417	warn "enter emergency perl save\n";	3743	warn "emergency_perl_save: enter\n";
2418		3744
2419	cf::sync_job {	3745	cf::sync_job {
		3746	# this is a trade-off: we want to be very quick here, so
		3747	# save all maps without fsync, and later call a global sync
		3748	# (which in turn might be very very slow)
		3749	local $USE_FSYNC = 0;
		3750
2420	# use a peculiar iteration method to avoid tripping on perl	3751	# use a peculiar iteration method to avoid tripping on perl
2421	# refcount bugs in for. also avoids problems with players	3752	# refcount bugs in for. also avoids problems with players
2422	# and maps saved/destroyed asynchronously.	3753	# and maps saved/destroyed asynchronously.
2423	warn "begin emergency player save\n";	3754	warn "emergency_perl_save: begin player save\n";
2424	for my $login (keys %cf::PLAYER) {	3755	for my $login (keys %cf::PLAYER) {
2425	my $pl = $cf::PLAYER{$login} or next;	3756	my $pl = $cf::PLAYER{$login} or next;
2426	$pl->valid or next;	3757	$pl->valid or next;
		3758	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2427	$pl->save;	3759	$pl->save;
2428	}	3760	}
2429	warn "end emergency player save\n";	3761	warn "emergency_perl_save: end player save\n";
2430		3762
2431	warn "begin emergency map save\n";	3763	warn "emergency_perl_save: begin map save\n";
2432	for my $path (keys %cf::MAP) {	3764	for my $path (keys %cf::MAP) {
2433	my $map = $cf::MAP{$path} or next;	3765	my $map = $cf::MAP{$path} or next;
2434	$map->valid or next;	3766	$map->valid or next;
2435	$map->save;	3767	$map->save;
2436	}	3768	}
2437	warn "end emergency map save\n";	3769	warn "emergency_perl_save: end map save\n";
2438		3770
2439	warn "begin emergency database checkpoint\n";	3771	warn "emergency_perl_save: begin database checkpoint\n";
2440	BDB::db_env_txn_checkpoint $DB_ENV;	3772	BDB::db_env_txn_checkpoint $DB_ENV;
2441	warn "end emergency database checkpoint\n";	3773	warn "emergency_perl_save: end database checkpoint\n";
		3774
		3775	warn "emergency_perl_save: begin write uuid\n";
		3776	write_uuid_sync 1;
		3777	warn "emergency_perl_save: end write uuid\n";
2442	};	3778	};
2443		3779
		3780	warn "emergency_perl_save: starting sync()\n";
		3781	IO::AIO::aio_sync sub {
		3782	warn "emergency_perl_save: finished sync()\n";
		3783	};
		3784
2444	warn "leave emergency perl save\n";	3785	warn "emergency_perl_save: leave\n";
2445	}	3786	}
2446		3787
2447	sub post_cleanup {	3788	sub post_cleanup {
2448	my ($make_core) = @_;	3789	my ($make_core) = @_;
2449		3790
2450	warn Carp::longmess "post_cleanup backtrace"	3791	warn Carp::longmess "post_cleanup backtrace"
2451	if $make_core;	3792	if $make_core;
2452	}
2453		3793
		3794	my $fh = pidfile;
		3795	unlink $PIDFILE if <$fh> == $$;
		3796	}
		3797
		3798	# a safer delete_package, copied from Symbol
		3799	sub clear_package($) {
		3800	my $pkg = shift;
		3801
		3802	# expand to full symbol table name if needed
		3803	unless ($pkg =~ /^main::.*::$/) {
		3804	$pkg = "main$pkg" if $pkg =~ /^::/;
		3805	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3806	$pkg .= '::' unless $pkg =~ /::$/;
		3807	}
		3808
		3809	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3810	my $stem_symtab = *{$stem}{HASH};
		3811
		3812	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3813	or return;
		3814
		3815	# clear all symbols
		3816	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3817	for my $name (keys %$leaf_symtab) {
		3818	_gv_clear *{"$pkg$name"};
		3819	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3820	}
		3821	}
		3822
2454	sub reload() {	3823	sub do_reload_perl() {
2455	# can/must only be called in main	3824	# can/must only be called in main
2456	if ($Coro::current != $Coro::main) {	3825	if (in_main) {
2457	warn "can only reload from main coroutine";	3826	warn "can only reload from main coroutine";
2458	return;	3827	return;
2459	}	3828	}
2460		3829
		3830	return if $RELOAD++;
		3831
		3832	my $t1 = AE::time;
		3833
		3834	while ($RELOAD) {
2461	warn "reloading...";	3835	warn "reloading...";
2462		3836
2463	warn "entering sync_job";	3837	warn "entering sync_job";
2464		3838
2465	cf::sync_job {	3839	cf::sync_job {
2466	cf::write_runtime; # external watchdog should not bark	3840	cf::write_runtime_sync; # external watchdog should not bark
2467	cf::emergency_save;	3841	cf::emergency_save;
2468	cf::write_runtime; # external watchdog should not bark	3842	cf::write_runtime_sync; # external watchdog should not bark
2469		3843
2470	warn "syncing database to disk";	3844	warn "syncing database to disk";
2471	BDB::db_env_txn_checkpoint $DB_ENV;	3845	BDB::db_env_txn_checkpoint $DB_ENV;
2472		3846
2473	# if anything goes wrong in here, we should simply crash as we already saved	3847	# if anything goes wrong in here, we should simply crash as we already saved
2474		3848
2475	warn "cancelling all WF_AUTOCANCEL watchers";
2476	for (Event::all_watchers) {
2477	$_->cancel if $_->data & WF_AUTOCANCEL;
2478	}
2479
2480	warn "flushing outstanding aio requests";	3849	warn "flushing outstanding aio requests";
2481	for (;;) {
2482	BDB::flush;
2483	IO::AIO::flush;
2484	Coro::cede;
2485	last unless IO::AIO::nreqs || BDB::nreqs;	3850	while (IO::AIO::nreqs || BDB::nreqs) {
2486	warn "iterate...";	3851	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2487	}
2488
2489	++$RELOAD;
2490
2491	warn "cancelling all extension coros";
2492	$_->cancel for values %EXT_CORO;
2493	%EXT_CORO = ();
2494
2495	warn "removing commands";
2496	%COMMAND = ();
2497
2498	warn "removing ext commands";
2499	%EXTCMD = ();
2500
2501	warn "unloading/nuking all extensions";
2502	for my $pkg (@EXTS) {
2503	warn "... unloading $pkg";
2504
2505	if (my $cb = $pkg->can ("unload")) {
2506	eval {
2507	$cb->($pkg);
2508	1
2509	} or warn "$pkg unloaded, but with errors: $@";
2510	}	3852	}
2511		3853
2512	warn "... nuking $pkg";	3854	warn "cancelling all extension coros";
2513	Symbol::delete_package $pkg;	3855	$_->cancel for values %EXT_CORO;
2514	}	3856	%EXT_CORO = ();
2515		3857
2516	warn "unloading all perl modules loaded from $LIBDIR";	3858	warn "removing commands";
2517	while (my ($k, $v) = each %INC) {	3859	%COMMAND = ();
2518	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2519		3860
		3861	warn "removing ext/exti commands";
		3862	%EXTCMD = ();
		3863	%EXTICMD = ();
		3864
		3865	warn "unloading/nuking all extensions";
		3866	for my $pkg (@EXTS) {
2520	warn "... unloading $k";	3867	warn "... unloading $pkg";
2521	delete $INC{$k};
2522		3868
2523	$k =~ s/\.pm$//;
2524	$k =~ s/\//::/g;
2525
2526	if (my $cb = $k->can ("unload_module")) {	3869	if (my $cb = $pkg->can ("unload")) {
		3870	eval {
2527	$cb->();	3871	$cb->($pkg);
		3872	1
		3873	} or warn "$pkg unloaded, but with errors: $@";
		3874	}
		3875
		3876	warn "... clearing $pkg";
		3877	clear_package $pkg;
2528	}	3878	}
2529		3879
2530	Symbol::delete_package $k;	3880	warn "unloading all perl modules loaded from $LIBDIR";
		3881	while (my ($k, $v) = each %INC) {
		3882	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3883
		3884	warn "... unloading $k";
		3885	delete $INC{$k};
		3886
		3887	$k =~ s/\.pm$//;
		3888	$k =~ s/\//::/g;
		3889
		3890	if (my $cb = $k->can ("unload_module")) {
		3891	$cb->();
		3892	}
		3893
		3894	clear_package $k;
2531	}	3895	}
2532		3896
2533	warn "getting rid of safe::, as good as possible";	3897	warn "getting rid of safe::, as good as possible";
2534	Symbol::delete_package "safe::$_"	3898	clear_package "safe::$_"
2535	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3899	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2536		3900
2537	warn "unloading cf.pm \"a bit\"";	3901	warn "unloading cf.pm \"a bit\"";
2538	delete $INC{"cf.pm"};	3902	delete $INC{"cf.pm"};
		3903	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2539		3904
2540	# don't, removes xs symbols, too,	3905	# don't, removes xs symbols, too,
2541	# and global variables created in xs	3906	# and global variables created in xs
2542	#Symbol::delete_package __PACKAGE__;	3907	#clear_package __PACKAGE__;
2543		3908
2544	warn "unload completed, starting to reload now";	3909	warn "unload completed, starting to reload now";
2545		3910
2546	warn "reloading cf.pm";	3911	warn "reloading cf.pm";
2547	require cf;	3912	require cf;
2548	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3913	cf::_connect_to_perl_1;
2549		3914
2550	warn "loading config and database again";	3915	warn "loading config and database again";
2551	cf::cfg_load;	3916	cf::reload_config;
2552		3917
2553	warn "loading extensions";	3918	warn "loading extensions";
2554	cf::load_extensions;	3919	cf::load_extensions;
2555		3920
		3921	if ($REATTACH_ON_RELOAD) {
2556	warn "reattaching attachments to objects/players";	3922	warn "reattaching attachments to objects/players";
2557	_global_reattach; # objects, sockets	3923	_global_reattach; # objects, sockets
2558	warn "reattaching attachments to maps";	3924	warn "reattaching attachments to maps";
2559	reattach $_ for values %MAP;	3925	reattach $_ for values %MAP;
2560	warn "reattaching attachments to players";	3926	warn "reattaching attachments to players";
2561	reattach $_ for values %PLAYER;	3927	reattach $_ for values %PLAYER;
		3928	}
2562		3929
2563	warn "loading reloadable resources";	3930	warn "running post_init jobs";
2564	reload_resources;	3931	(pop @POST_INIT)->(1) while @POST_INIT;
2565		3932
2566	warn "leaving sync_job";	3933	warn "leaving sync_job";
2567		3934
2568	1	3935	1
2569	} or do {	3936	} or do {
2570	warn $@;	3937	warn $@;
2571	warn "error while reloading, exiting.";	3938	cf::cleanup "error while reloading, exiting.";
2572	exit 1;	3939	};
		3940
		3941	warn "reloaded";
		3942	--$RELOAD;
		3943	}
		3944
		3945	$t1 = AE::time - $t1;
		3946	warn "reload completed in ${t1}s\n";
		3947	};
		3948
		3949	our $RELOAD_WATCHER; # used only during reload
		3950
		3951	sub reload_perl() {
		3952	# doing reload synchronously and two reloads happen back-to-back,
		3953	# coro crashes during coro_state_free->destroy here.
		3954
		3955	$RELOAD_WATCHER ||= cf::async {
		3956	Coro::AIO::aio_wait cache_extensions;
		3957
		3958	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3959	do_reload_perl;
		3960	undef $RELOAD_WATCHER;
		3961	};
2573	};	3962	};
2574		3963	}
2575	warn "reloaded";
2576	};
2577
2578	our $RELOAD_WATCHER; # used only during reload
2579		3964
2580	register_command "reload" => sub {	3965	register_command "reload" => sub {
2581	my ($who, $arg) = @_;	3966	my ($who, $arg) = @_;
2582		3967
2583	if ($who->flag (FLAG_WIZ)) {	3968	if ($who->flag (FLAG_WIZ)) {
2584	$who->message ("reloading server.");	3969	$who->message ("reloading server.");
2585		3970	async {
2586	# doing reload synchronously and two reloads happen back-to-back,	3971	$Coro::current->{desc} = "perl_reload";
2587	# coro crashes during coro_state_free->destroy here.
2588
2589	$RELOAD_WATCHER ||= Event->timer (
2590	reentrant => 0,
2591	after => 0,
2592	data => WF_AUTOCANCEL,
2593	cb => sub {
2594	reload;	3972	reload_perl;
2595	undef $RELOAD_WATCHER;
2596	},
2597	);	3973	};
2598	}	3974	}
2599	};	3975	};
2600		3976
2601	unshift @INC, $LIBDIR;	3977	unshift @INC, $LIBDIR;
2602		3978
2603	my $bug_warning = 0;	3979	my $bug_warning = 0;
2604		3980
2605	$TICK_WATCHER = Event->timer (	3981	our @WAIT_FOR_TICK;
2606	reentrant => 0,	3982	our @WAIT_FOR_TICK_BEGIN;
2607	parked => 1,	3983
2608	prio => 0,	3984	sub wait_for_tick {
2609	at => $NEXT_TICK || $TICK,	3985	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2610	data => WF_AUTOCANCEL,	3986
2611	cb => sub {	3987	my $signal = new Coro::Signal;
		3988	push @WAIT_FOR_TICK, $signal;
		3989	$signal->wait;
		3990	}
		3991
		3992	sub wait_for_tick_begin {
		3993	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3994
		3995	my $signal = new Coro::Signal;
		3996	push @WAIT_FOR_TICK_BEGIN, $signal;
		3997	$signal->wait;
		3998	}
		3999
		4000	sub tick {
2612	if ($Coro::current != $Coro::main) {	4001	if ($Coro::current != $Coro::main) {
2613	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4002	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2614	unless ++$bug_warning > 10;	4003	unless ++$bug_warning > 10;
2615	return;	4004	return;
2616	}	4005	}
2617		4006
2618	$NOW = Event::time;
2619
2620	cf::server_tick; # one server iteration	4007	cf::server_tick; # one server iteration
2621	$RUNTIME += $TICK;
2622	$NEXT_TICK += $TICK;
2623		4008
		4009	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4010
2624	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4011	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2625	$NEXT_RUNTIME_WRITE = $NOW + 10;	4012	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2626	Coro::async_pool {	4013	Coro::async_pool {
		4014	$Coro::current->{desc} = "runtime saver";
2627	write_runtime	4015	write_runtime_sync
2628	or warn "ERROR: unable to write runtime file: $!";	4016	or warn "ERROR: unable to write runtime file: $!";
2629	};
2630	}	4017	};
2631
2632	$WAIT_FOR_TICK->broadcast;
2633	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2634
2635	# my $AFTER = Event::time;
2636	# warn $AFTER - $NOW;#d#
2637
2638	# if we are delayed by four ticks or more, skip them all
2639	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2640
2641	$TICK_WATCHER->at ($NEXT_TICK);
2642	$TICK_WATCHER->start;
2643	},	4018	}
2644	);	4019
		4020	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4021	$sig->send;
		4022	}
		4023	while (my $sig = shift @WAIT_FOR_TICK) {
		4024	$sig->send;
		4025	}
		4026
		4027	$LOAD = ($NOW - $TICK_START) / $TICK;
		4028	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4029
		4030	if (0) {
		4031	if ($NEXT_TICK) {
		4032	my $jitter = $TICK_START - $NEXT_TICK;
		4033	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4034	warn "jitter $JITTER\n";#d#
		4035	}
		4036	}
		4037	}
2645		4038
2646	{	4039	{
2647	BDB::max_poll_time $TICK * 0.1;	4040	# configure BDB
2648	$BDB_POLL_WATCHER = Event->io (	4041
2649	reentrant => 0,
2650	fd => BDB::poll_fileno,
2651	poll => 'r',
2652	prio => 0,
2653	data => WF_AUTOCANCEL,
2654	cb => \&BDB::poll_cb,
2655	);
2656	BDB::min_parallel 8;	4042	BDB::min_parallel 16;
2657		4043	BDB::max_poll_reqs $TICK * 0.1;
2658	BDB::set_sync_prepare {	4044	$AnyEvent::BDB::WATCHER->priority (1);
2659	my $status;
2660	my $current = $Coro::current;
2661	(
2662	sub {
2663	$status = $!;
2664	$current->ready; undef $current;
2665	},
2666	sub {
2667	Coro::schedule while defined $current;
2668	$! = $status;
2669	},
2670	)
2671	};
2672		4045
2673	unless ($DB_ENV) {	4046	unless ($DB_ENV) {
2674	$DB_ENV = BDB::db_env_create;	4047	$DB_ENV = BDB::db_env_create;
		4048	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4049	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4050	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4051	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4052	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2675		4053
2676	cf::sync_job {	4054	cf::sync_job {
2677	eval {	4055	eval {
2678	BDB::db_env_open	4056	BDB::db_env_open
2679	$DB_ENV,	4057	$DB_ENV,
2680	$BDB_ENV_DIR,	4058	$BDBDIR,
2681	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4059	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2682	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4060	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2683	0666;	4061	0666;
2684		4062
2685	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4063	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2686
2687	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2688	$DB_ENV->set_lk_detect;
2689	};	4064	};
2690		4065
2691	cf::cleanup "db_env_open(db): $@" if $@;	4066	cf::cleanup "db_env_open(db): $@" if $@;
2692	};	4067	};
2693	}	4068	}
		4069
		4070	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4071	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4072	};
		4073	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4074	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4075	};
		4076	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4077	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4078	};
2694	}	4079	}
2695		4080
2696	{	4081	{
		4082	# configure IO::AIO
		4083
2697	IO::AIO::min_parallel 8;	4084	IO::AIO::min_parallel 8;
2698
2699	undef $Coro::AIO::WATCHER;
2700	IO::AIO::max_poll_time $TICK * 0.1;	4085	IO::AIO::max_poll_time $TICK * 0.1;
2701	$AIO_POLL_WATCHER = Event->io (	4086	undef $AnyEvent::AIO::WATCHER;
2702	reentrant => 0,
2703	data => WF_AUTOCANCEL,
2704	fd => IO::AIO::poll_fileno,
2705	poll => 'r',
2706	prio => 6,
2707	cb => \&IO::AIO::poll_cb,
2708	);
2709	}	4087	}
		4088
		4089	my $_log_backtrace;
		4090
		4091	sub _log_backtrace {
		4092	my ($msg, @addr) = @_;
		4093
		4094	$msg =~ s/\n//;
		4095
		4096	# limit the # of concurrent backtraces
		4097	if ($_log_backtrace < 2) {
		4098	++$_log_backtrace;
		4099	my $perl_bt = Carp::longmess $msg;
		4100	async {
		4101	$Coro::current->{desc} = "abt $msg";
		4102
		4103	my @bt = fork_call {
		4104	@addr = map { sprintf "%x", $_ } @addr;
		4105	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4106	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4107	or die "addr2line: $!";
		4108
		4109	my @funcs;
		4110	my @res = <$fh>;
		4111	chomp for @res;
		4112	while (@res) {
		4113	my ($func, $line) = splice @res, 0, 2, ();
		4114	push @funcs, "[$func] $line";
		4115	}
		4116
		4117	@funcs
		4118	};
		4119
		4120	LOG llevInfo, "[ABT] $perl_bt\n";
		4121	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4122	LOG llevInfo, "[ABT] $_\n" for @bt;
		4123	--$_log_backtrace;
		4124	};
		4125	} else {
		4126	LOG llevInfo, "[ABT] $msg\n";
		4127	LOG llevInfo, "[ABT] [suppressed]\n";
		4128	}
		4129	}
		4130
		4131	# load additional modules
		4132	require "cf/$_.pm" for @EXTRA_MODULES;
		4133	cf::_connect_to_perl_2;
2710		4134
2711	END { cf::emergency_save }	4135	END { cf::emergency_save }
2712		4136
2713	1	4137	1
2714		4138

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