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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.203 by root, Thu Feb 1 19:40:42 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;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
12		38
		39	use Guard ();
13	use Coro 3.5 ();	40	use Coro ();
		41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
14	use Coro::Event;	44	use Coro::AnyEvent;
15	use Coro::Timer;	45	use Coro::Timer;
16	use Coro::Signal;	46	use Coro::Signal;
17	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
18	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
19		54
		55	use JSON::XS 2.01 ();
		56	use BDB ();
20	use Data::Dumper;	57	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	58	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
25	use Time::HiRes;	61	use Time::HiRes;
		62	use Compress::LZF;
		63	use Digest::MD5 ();
26		64
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	AnyEvent::detect;
		66
		67	# configure various modules to our taste
		68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		77
		78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		80
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	98	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # 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(!)
		120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	121	our $NEXT_TICK;
52	our $NOW;	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
		126	our $BDB_TRICKLE_WATCHER;
		127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
53		130
54	our %CFG;	131	our %CFG;
55		132
56	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
58		136
59	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		140
67	# 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 ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $REALLY_UNLOOP; # never set to true, please :)
		153
70	binmode STDOUT;	154	binmode STDOUT;
71	binmode STDERR;	155	binmode STDERR;
72		156
73	# read virtual server time, if available	157	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
78	}	162	}
79		163
80	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	165
82	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		168
86	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
87		170
88	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::"} };
89		187
90	#############################################################################	188	#############################################################################
91		189
92	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
93		191
…		…
100	=item $cf::RUNTIME	198	=item $cf::RUNTIME
101		199
102	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
103	every server tick.	201	every server tick.
104		202
105	=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
106		206
107	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
108	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.
109		211
110	=item $cf::NOW	212	=item $cf::NOW
111		213
112	The time of the last (current) server tick.	214	The time of the last (current) server tick.
113		215
114	=item $cf::TICK	216	=item $cf::TICK
115		217
116	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
117		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
118	=item %cf::CFG	230	=item %cf::CFG
119		231
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
121	from wherever your confdir points to.	233	from wherever your confdir points to.
122		234
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		236
125	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
126	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
127	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.
128	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.
129		252
130	=back	253	=back
131		254
132	=cut	255	=cut
133		256
134	BEGIN {	257	$Coro::State::WARNHOOK = sub {
135	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	258	my $msg = join "", @_;
137	utf8::encode $msg;
138		259
139	$msg .= "\n"	260	$msg .= "\n"
140	unless $msg =~ /\n$/;	261	unless $msg =~ /\n$/;
141		262
		263	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		264
142	LOG llevError, $msg;	265	LOG llevError, $msg;
143	};	266	};
144	}	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	};
145		281
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	282	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	283	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	284	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	285	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@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';
151	@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)
152		289
153	# 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
154	# within the Safe compartment.	291	# within the Safe compartment.
155	for my $pkg (qw(	292	for my $pkg (qw(
156	cf::global cf::attachable	293	cf::global cf::attachable
157	cf::object cf::object::player	294	cf::object cf::object::player
158	cf::client cf::player	295	cf::client cf::player
159	cf::arch cf::living	296	cf::arch cf::living
		297	cf::map cf::mapspace
160	cf::map cf::party cf::region	298	cf::party cf::region
161	)) {	299	)) {
162	no strict 'refs';
163	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	300	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
164	}	301	}
165		302
166	$Event::DIED = sub {	303	$EV::DIED = sub {
167	warn "error in event callback: @_";	304	Carp::cluck "error in event callback: @_";
168	};	305	};
		306
		307	#############################################################################
169		308
170	=head2 UTILITY FUNCTIONS	309	=head2 UTILITY FUNCTIONS
171		310
172	=over 4	311	=over 4
173		312
…		…
192	$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;
193	$d	332	$d
194	} || "[unable to dump $_[0]: '$@']";	333	} || "[unable to dump $_[0]: '$@']";
195	}	334	}
196		335
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	336	=item $ref = cf::decode_json $json
200		337
201	Converts a JSON string into the corresponding perl data structure.	338	Converts a JSON string into the corresponding perl data structure.
202		339
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	340	=item $json = cf::encode_json $ref
211		341
212	Converts a perl data structure into its JSON representation.	342	Converts a perl data structure into its JSON representation.
213		343
214	=cut	344	=cut
215		345
216	sub to_json($) {	346	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	347
218	JSON::Syck::Dump $_[0]	348	sub encode_json($) { $json_coder->encode ($_[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;
219	}	363	}
220		364
221	=item cf::lock_wait $string	365	=item cf::lock_wait $string
222		366
223	Wait until the given lock is available. See cf::lock_acquire.	367	Wait until the given lock is available. See cf::lock_acquire.
224		368
225	=item my $lock = cf::lock_acquire $string	369	=item my $lock = cf::lock_acquire $string
226		370
227	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
228	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,
229	for example when the coroutine gets canceled), the lock is automatically	373	for example when the coroutine gets canceled), the lock is automatically
230	returned.	374	returned.
231		375
		376	Locks are *not* recursive, locking from the same coro twice results in a
		377	deadlocked coro.
		378
232	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
233	uses map_find and cf::map::load uses map_load).	380	uses map_find and cf::map::load uses map_load).
234		381
235	=cut	382	=item $locked = cf::lock_active $string
236		383
237	our %LOCK;	384	Return true if the lock is currently active, i.e. somebody has locked it.
		385
		386	=cut
		387
		388	our $LOCKS = new Coro::SemaphoreSet;
238		389
239	sub lock_wait($) {	390	sub lock_wait($) {
240	my ($key) = @_;	391	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	392	}
248		393
249	sub lock_acquire($) {	394	sub lock_acquire($) {
250	my ($key) = @_;	395	$LOCKS->guard ($_[0])
		396	}
251		397
252	# wait, to be sure we are not locked	398	sub lock_active($) {
253	lock_wait $key;	399	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	400	}
262		401
263	sub freeze_mainloop {	402	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	403	tick_inhibit_inc;
265		404
266	my $guard = Coro::guard {	405	&Guard::guard (\&tick_inhibit_dec);
267	$TICK_WATCHER->start;	406	}
268	$WRITE_RUNTIME_WATCHER->start;	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($$) {
		416	my ($interval, $cb) = @_;
		417
		418	my $start = rand List::Util::min 180, $interval;
		419
		420	EV::periodic $start, $interval, 0, $cb
		421	}
		422
		423	=item cf::get_slot $time[, $priority[, $name]]
		424
		425	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		426	This call blocks and returns only when you have at least C<$time> seconds
		427	of cpu time till the next tick. The slot is only valid till the next cede.
		428
		429	The optional C<$name> can be used to identify the job to run. It might be
		430	used for statistical purposes and should identify the same time-class.
		431
		432	Useful for short background jobs.
		433
		434	=cut
		435
		436	our @SLOT_QUEUE;
		437	our $SLOT_QUEUE;
		438	our $SLOT_DECAY = 0.9;
		439
		440	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		441	$SLOT_QUEUE = Coro::async {
		442	$Coro::current->desc ("timeslot manager");
		443
		444	my $signal = new Coro::Signal;
		445	my $busy;
		446
		447	while () {
		448	next_job:
		449
		450	my $avail = cf::till_tick;
		451
		452	for (0 .. $#SLOT_QUEUE) {
		453	if ($SLOT_QUEUE[$_][0] <= $avail) {
		454	$busy = 0;
		455	my $job = splice @SLOT_QUEUE, $_, 1, ();
		456	$job->[2]->send;
		457	Coro::cede;
		458	goto next_job;
		459	} else {
		460	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		461	}
		462	}
		463
		464	if (@SLOT_QUEUE) {
		465	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		466	push @cf::WAIT_FOR_TICK, $signal;
		467	$signal->wait;
		468	} else {
		469	$busy = 0;
		470	Coro::schedule;
		471	}
269	};	472	}
270	$WRITE_RUNTIME_WATCHER->stop;	473	};
271	$TICK_WATCHER->stop;	474
272	$guard	475	sub get_slot($;$$) {
		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 $runtime = cf::localdir . "/runtime";
352		578
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	579	Executes the given code block with the given arguments in a seperate
354	or return;	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.
355		583
356	my $value = $cf::RUNTIME + 90 + 10;	584	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		585
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	586	sub fork_call(&@) {
361	and return;	587	my ($cb, @args) = @_;
362		588
363	aio_fsync $fh	589	# we seemingly have to make a local copy of the whole thing,
364	and return;	590	# otherwise perl prematurely frees the stuff :/
		591	# TODO: investigate and fix (likely this will be rather laborious)
365		592
366	close $fh	593	my @res = Coro::Util::fork_eval {
367	or return;	594	reset_signals;
		595	&$cb
		596	}, @args;
368		597
369	aio_rename "$runtime~", $runtime	598	wantarray ? @res : $res[-1]
370	and return;	599	}
371		600
		601	sub objinfo {
372	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"
		764	}
		765
		766	=item cf::datalog type => key => value, ...
		767
		768	Log a datalog packet of the given type with the given key-value pairs.
		769
		770	=cut
		771
		772	sub datalog($@) {
		773	my ($type, %kv) = @_;
		774	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	775	}
374		776
375	=back	777	=back
376		778
377	=cut	779	=cut
378		780
379	#############################################################################	781	#############################################################################
380		782
381	=head2 ATTACHABLE OBJECTS	783	=head2 ATTACHABLE OBJECTS
382		784
383	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
384	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")
385	to it. All such attachable objects support the following methods.	787	to it. All such attachable objects support the following methods.
386		788
387	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>
388	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
389	crossfire+).	791	Deliantra).
390		792
391	=over 4	793	=over 4
392		794
393	=item $attachable->attach ($attachment, key => $value...)	795	=item $attachable->attach ($attachment, key => $value...)
394		796
…		…
438	=item cf::CLASS::attachment $name, ...	840	=item cf::CLASS::attachment $name, ...
439		841
440	Register an attachment by C<$name> through which attachable objects of the	842	Register an attachment by C<$name> through which attachable objects of the
441	given CLASS can refer to this attachment.	843	given CLASS can refer to this attachment.
442		844
443	Some classes such as crossfire maps and objects can specify attachments	845	Some classes such as deliantra maps and objects can specify attachments
444	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.
445		847
446	These calls expect any number of the following handler/hook descriptions:	848	These calls expect any number of the following handler/hook descriptions:
447		849
448	=over 4	850	=over 4
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	959	$registry = $CB_TYPE[$object_type] ||= [];
558		960
559	} elsif ($type eq "subtype") {	961	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	962	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	963	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	964	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		965
564	} elsif ($type eq "package") {	966	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	967	my $pkg = shift @arg;
566		968
567	while (my ($name, $id) = each %cb_id) {	969	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	998	_attach $registry, $klass, @attach;
597	}	999	}
598		1000
599	$obj->{$name} = \%arg;	1001	$obj->{$name} = \%arg;
600	} else {	1002	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	1003	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	1004	}
603		1005
604	$obj->{_attachment}{$name} = undef;	1006	$obj->{_attachment}{$name} = undef;
605	}	1007	}
606		1008
…		…
608	if (ref $_[0]) {	1010	if (ref $_[0]) {
609	_object_attach @_;	1011	_object_attach @_;
610	} else {	1012	} else {
611	_attach shift->_attach_registry, @_;	1013	_attach shift->_attach_registry, @_;
612	}	1014	}
		1015	_recalc_want;
613	};	1016	};
614		1017
615	# all those should be optimised	1018	# all those should be optimised
616	sub cf::attachable::detach {	1019	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	1020	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	1023	delete $obj->{_attachment}{$name};
621	reattach ($obj);	1024	reattach ($obj);
622	} else {	1025	} else {
623	Carp::croak "cannot, currently, detach class attachments";	1026	Carp::croak "cannot, currently, detach class attachments";
624	}	1027	}
		1028	_recalc_want;
625	};	1029	};
626		1030
627	sub cf::attachable::attached {	1031	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	1032	my ($obj, $name) = @_;
629		1033
…		…
644	";	1048	";
645	die if $@;	1049	die if $@;
646	}	1050	}
647		1051
648	our $override;	1052	our $override;
649	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?
650		1054
651	sub override {	1055	sub override {
652	$override = 1;	1056	$override = 1;
653	@invoke_results = ();	1057	@INVOKE_RESULTS = (@_);
654	}	1058	}
655		1059
656	sub do_invoke {	1060	sub do_invoke {
657	my $event = shift;	1061	my $event = shift;
658	my $callbacks = shift;	1062	my $callbacks = shift;
659		1063
660	@invoke_results = ();	1064	@INVOKE_RESULTS = ();
661		1065
662	local $override;	1066	local $override;
663		1067
664	for (@$callbacks) {	1068	for (@$callbacks) {
665	eval { &{$_->[1]} };	1069	eval { &{$_->[1]} };
…		…
674	}	1078	}
675		1079
676	0	1080	0
677	}	1081	}
678		1082
679	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1083	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
680		1084
681	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1085	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
682		1086
683	Generate an object-specific event with the given arguments.	1087	Generate an object-specific event with the given arguments.
684		1088
685	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
686	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
687	results (if you must, access C<@cf::invoke_results> directly).	1091	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		1092
689	=back	1093	=back
690		1094
691	=cut	1095	=cut
692		1096
693	#############################################################################	1097	#############################################################################
694	# 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, $ob2
		1140	}
695		1141
696	sub reattach {	1142	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	1143	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	1144	my ($obj) = @_;
699		1145
		1146	# no longer needed after getting rid of delete_package?
700	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
701		1148
702	my $registry = $obj->registry;	1149	my $registry = $obj->registry;
703		1150
704	@$registry = ();	1151	@$registry = ();
705		1152
…		…
720	cf::attachable->attach (	1167	cf::attachable->attach (
721	prio => -1000000,	1168	prio => -1000000,
722	on_instantiate => sub {	1169	on_instantiate => sub {
723	my ($obj, $data) = @_;	1170	my ($obj, $data) = @_;
724		1171
725	$data = from_json $data;	1172	$data = decode_json $data;
726		1173
727	for (@$data) {	1174	for (@$data) {
728	my ($name, $args) = @$_;	1175	my ($name, $args) = @$_;
729		1176
730	$obj->attach ($name, %{$args || {} });	1177	$obj->attach ($name, %{$args || {} });
…		…
746	sub object_freezer_save {	1193	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1194	my ($filename, $rdata, $objs) = @_;
748		1195
749	sync_job {	1196	sync_job {
750	if (length $$rdata) {	1197	if (length $$rdata) {
		1198	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1199	warn sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1200	$decname, length $$rdata, scalar @$objs
		1201	if $VERBOSE_IO;
753		1202
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1203	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1204	aio_chmod $fh, SAVE_MODE;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1205	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		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;
757	aio_fsync $fh;	1208	aio_fsync $fh;
		1209	}
758	close $fh;	1210	aio_close $fh;
759		1211
760	if (@$objs) {	1212	if (@$objs) {
761	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) {
762	chmod SAVE_MODE, $fh;	1214	aio_chmod $fh, SAVE_MODE;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1215	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1216	aio_write $fh, 0, (length $data), $data, 0;
		1217	if ($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;
765	aio_fsync $fh;	1219	aio_fsync $fh;
		1220	}
766	close $fh;	1221	aio_close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1222	aio_rename "$filename.pst~", "$filename.pst";
768	}	1223	}
769	} else {	1224	} else {
770	aio_unlink "$filename.pst";	1225	aio_unlink "$filename.pst";
771	}	1226	}
772		1227
773	aio_rename "$filename~", $filename;	1228	aio_rename "$filename~", $filename;
		1229
		1230	$filename =~ s%/[^/]+$%%;
		1231	aio_pathsync $filename if $cf::USE_FSYNC;
774	} else {	1232	} else {
775	warn "FATAL: $filename~: $!\n";	1233	warn "unable to save objects: $filename~: $!\n";
776	}	1234	}
777	} else {	1235	} else {
778	aio_unlink $filename;	1236	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1237	aio_unlink "$filename.pst";
780	}	1238	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	1239	};
788	}	1240	}
789		1241
790	sub object_freezer_as_string {	1242	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1243	my ($rdata, $objs) = @_;
792		1244
…		…
797		1249
798	sub object_thawer_load {	1250	sub object_thawer_load {
799	my ($filename) = @_;	1251	my ($filename) = @_;
800		1252
801	my ($data, $av);	1253	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1254
806	(aio_load $filename, $data) >= 0	1255	(aio_load $filename, $data) >= 0
807	or return;	1256	or return;
808		1257
809	unless (aio_stat "$filename.pst") {	1258	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1259	(aio_load "$filename.pst", $av) >= 0
811	or return;	1260	or return;
		1261
812	$av = eval { (Storable::thaw $av)->{objs} };	1262	my $st = eval { Coro::Storable::thaw $av };
		1263	$av = $st->{objs};
813	}	1264	}
814		1265
		1266	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1267	warn sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1268	$decname, length $data, scalar @{$av || []}
		1269	if $VERBOSE_IO;
		1270
817	return ($data, $av);	1271	($data, $av)
818	}	1272	}
		1273
		1274	=head2 COMMAND CALLBACKS
		1275
		1276	=over 4
		1277
		1278	=cut
819		1279
820	#############################################################################	1280	#############################################################################
821	# command handling &c	1281	# command handling &c
822		1282
823	=item cf::register_command $name => \&callback($ob,$args);	1283	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1296	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1297	}
838		1298
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1299	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1300
841	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.
842		1306
843	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
844	called.	1308	called.
845		1309
		1310	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1311
		1312	Register a callback for execution when the client sends an (asynchronous)
		1313	exticmd packet. Exti commands are processed by the server as soon as they
		1314	are received, i.e. out of order w.r.t. other commands. The first argument
		1315	is a client socket. Exti commands can be received anytime, even before
		1316	log-in.
		1317
		1318	If the callback returns something, it is sent back as if reply was being
		1319	called.
		1320
846	=cut	1321	=cut
847		1322
848	sub register_extcmd {	1323	sub register_extcmd {
849	my ($name, $cb) = @_;	1324	my ($name, $cb) = @_;
850		1325
851	$EXTCMD{$name} = $cb;	1326	$EXTCMD{$name} = $cb;
852	}	1327	}
853		1328
		1329	sub register_exticmd {
		1330	my ($name, $cb) = @_;
		1331
		1332	$EXTICMD{$name} = $cb;
		1333	}
		1334
		1335	use File::Glob ();
		1336
854	cf::player->attach (	1337	cf::player->attach (
855	on_command => sub {	1338	on_unknown_command => sub {
856	my ($pl, $name, $params) = @_;	1339	my ($pl, $name, $params) = @_;
857		1340
858	my $cb = $COMMAND{$name}	1341	my $cb = $COMMAND{$name}
859	or return;	1342	or return;
860		1343
…		…
865	cf::override;	1348	cf::override;
866	},	1349	},
867	on_extcmd => sub {	1350	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1351	my ($pl, $buf) = @_;
869		1352
870	my $msg = eval { from_json $buf };	1353	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1354
872	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
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1363	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1364	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1365	}
		1366
		1367	$pl->ext_reply ($reply, @reply)
		1368	if $reply;
		1369
878	} else {	1370	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1371	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1372	}
881		1373
882	cf::override;	1374	cf::override;
883	},	1375	},
884	);	1376	);
885		1377
		1378	# "readahead" all extensions
886	sub load_extension {	1379	sub cache_extensions {
887	my ($path) = @_;	1380	my $grp = IO::AIO::aio_group;
888		1381
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1382	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
890	my $base = $1;	1383	for (grep /\.ext$/, @{$_[0]}) {
891	my $pkg = $1;	1384	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}	1385	}
914	die $@;
915	}	1386	};
916		1387
917	push @EXTS, $pkg;	1388	$grp
918	}	1389	}
919		1390
920	sub load_extensions {	1391	sub load_extensions {
		1392	cf::sync_job {
		1393	my %todo;
		1394
921	for my $ext (<$LIBDIR/*.ext>) {	1395	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1396	next unless -r $path;
923	eval {	1397
924	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 $active;
		1460	}
925	1	1461	}
926	} or warn "$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	}
927	}	1472	};
928	}	1473	}
929		1474
930	#############################################################################	1475	#############################################################################
931		1476
		1477	=back
		1478
932	=head2 CORE EXTENSIONS	1479	=head2 CORE EXTENSIONS
933		1480
934	Functions and methods that extend core crossfire objects.	1481	Functions and methods that extend core deliantra objects.
935		1482
936	=cut	1483	=cut
937		1484
938	package cf::player;	1485	package cf::player;
939		1486
…		…
941		1488
942	=head3 cf::player	1489	=head3 cf::player
943		1490
944	=over 4	1491	=over 4
945		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
946	=item cf::player::find $login	1507	=item cf::player::find $login
947		1508
948	Returns the given player object, loading it if necessary (might block).	1509	Returns the given player object, loading it if necessary (might block).
949		1510
950	=cut	1511	=cut
951		1512
952	sub playerdir($) {	1513	sub playerdir($) {
953	cf::localdir	1514	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1515	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1516	}
959		1517
960	sub path($) {	1518	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1519	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1520
963	(playerdir $login) . "/$login.pl"	1521	(playerdir $login) . "/playerdata"
964	}	1522	}
965		1523
966	sub find_active($) {	1524	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1525	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1526	and $cf::PLAYER{$_[0]}->active
…		…
971		1529
972	sub exists($) {	1530	sub exists($) {
973	my ($login) = @_;	1531	my ($login) = @_;
974		1532
975	$cf::PLAYER{$login}	1533	$cf::PLAYER{$login}
976	or cf::sync_job { !aio_stat path $login }	1534	or !aio_stat path $login
977	}	1535	}
978		1536
979	sub find($) {	1537	sub find($) {
980	return $cf::PLAYER{$_[0]} || do {	1538	return $cf::PLAYER{$_[0]} || do {
981	my $login = $_[0];	1539	my $login = $_[0];
982		1540
983	my $guard = cf::lock_acquire "user_find:$login";	1541	my $guard = cf::lock_acquire "user_find:$login";
984		1542
985	$cf::PLAYER{$_[0]} || do {	1543	$cf::PLAYER{$_[0]} || do {
986	my $pl = load_pl path $login	1544	# rename old playerfiles to new ones
		1545	#TODO: remove when no longer required
		1546	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1547	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1548	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1549	aio_unlink +(playerdir $login) . "/$login.pl";
		1550
		1551	my $f = new_from_file cf::object::thawer path $login
987	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;
988	$cf::PLAYER{$login} = $pl	1559	$cf::PLAYER{$login} = $pl
989	}	1560	}
990	}	1561	}
991	}	1562	}
		1563
		1564	cf::player->attach (
		1565	on_load => sub {
		1566	my ($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	);
992		1576
993	sub save($) {	1577	sub save($) {
994	my ($pl) = @_;	1578	my ($pl) = @_;
995		1579
996	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
…		…
1001	return if $pl->{deny_save};	1585	return if $pl->{deny_save};
1002		1586
1003	aio_mkdir playerdir $pl, 0770;	1587	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1588	$pl->{last_save} = $cf::RUNTIME;
1005		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
1006	$pl->save_pl ($path);	1595	$pl->save_pl ($path);
1007	Coro::cede;	1596	cf::cede_to_tick;
1008	}	1597	}
1009		1598
1010	sub new($) {	1599	sub new($) {
1011	my ($login) = @_;	1600	my ($login) = @_;
1012		1601
…		…
1018	$cf::PLAYER{$login} = $self;	1607	$cf::PLAYER{$login} = $self;
1019		1608
1020	$self	1609	$self
1021	}	1610	}
1022		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
1023	=item $pl->quit_character	1622	=item $pl->quit_character
1024		1623
1025	Nukes the player without looking back. If logged in, the connection will	1624	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1625	be destroyed. May block for a long time.
1027		1626
1028	=cut	1627	=cut
1029		1628
1030	sub quit_character {	1629	sub quit_character {
1031	my ($pl) = @_;	1630	my ($pl) = @_;
1032		1631
		1632	my $name = $pl->ob->name;
		1633
1033	$pl->{deny_save} = 1;	1634	$pl->{deny_save} = 1;
1034	$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
1035		1636
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1637	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1037	$pl->deactivate;	1638	$pl->deactivate;
		1639	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1640	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1039	$pl->ns->destroy if $pl->ns;	1641	$pl->ns->destroy if $pl->ns;
1040		1642
1041	my $path = playerdir $pl;	1643	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1644	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1645	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1646	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1647	$pl->destroy;
		1648
		1649	my $prefix = qr<^~\Q$name\E/>;
		1650
		1651	# nuke player maps
		1652	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1653
1046	IO::AIO::aio_rmtree $temp;	1654	IO::AIO::aio_rmtree $temp;
		1655	}
		1656
		1657	=item $pl->kick
		1658
		1659	Kicks a player out of the game. This destroys the connection.
		1660
		1661	=cut
		1662
		1663	sub kick {
		1664	my ($pl, $kicker) = @_;
		1665
		1666	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1667	$pl->killer ("kicked");
		1668	$pl->ns->destroy;
1047	}	1669	}
1048		1670
1049	=item cf::player::list_logins	1671	=item cf::player::list_logins
1050		1672
1051	Returns am arrayref of all valid playernames in the system, can take a	1673	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1674	while and may block, so not sync_job-capable, ever.
1053		1675
1054	=cut	1676	=cut
1055		1677
1056	sub list_logins {	1678	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1679	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1680	or return [];
1059		1681
1060	my @logins;	1682	my @logins;
1061		1683
1062	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") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1690	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1691	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1692	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1693	}
1066		1694
1067	utf8::decode $login;	1695	utf8::decode $login;
1068	push @logins, $login;	1696	push @logins, $login;
1069	}	1697	}
1070		1698
1071	\@logins	1699	\@logins
1072	}	1700	}
1073		1701
1074	=item $player->maps	1702	=item $player->maps
		1703
		1704	=item cf::player::maps $login
1075		1705
1076	Returns an arrayref of map paths that are private for this	1706	Returns an arrayref of map paths that are private for this
1077	player. May block.	1707	player. May block.
1078		1708
1079	=cut	1709	=cut
…		…
1097	}	1727	}
1098		1728
1099	\@paths	1729	\@paths
1100	}	1730	}
1101		1731
		1732	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1733
		1734	Expand deliantra pod fragments into protocol xml.
		1735
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1736	=item $player->ext_reply ($msgid, @msg)
1103		1737
1104	Sends an ext reply to the player.	1738	Sends an ext reply to the player.
1105		1739
1106	=cut	1740	=cut
1107		1741
1108	sub ext_reply($$$%) {	1742	sub ext_reply($$@) {
1109	my ($self, $id, %msg) = @_;	1743	my ($self, $id, @msg) = @_;
1110		1744
1111	$msg{msgid} = $id;	1745	$self->ns->ext_reply ($id, @msg)
1112
1113	$self->send ("ext " . cf::to_json \%msg);
1114	}	1746	}
1115		1747
1116	package cf;	1748	=item $player->ext_msg ($type, @msg)
		1749
		1750	Sends an ext event to the client.
		1751
		1752	=cut
		1753
		1754	sub ext_msg($$@) {
		1755	my ($self, $type, @msg) = @_;
		1756
		1757	$self->ns->ext_msg ($type, @msg);
		1758	}
		1759
		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	}
1117		1790
1118	=back	1791	=back
1119
1120		1792
1121	=head3 cf::map	1793	=head3 cf::map
1122		1794
1123	=over 4	1795	=over 4
1124		1796
…		…
1136	our $MAX_RESET = 3600;	1808	our $MAX_RESET = 3600;
1137	our $DEFAULT_RESET = 3000;	1809	our $DEFAULT_RESET = 3000;
1138		1810
1139	sub generate_random_map {	1811	sub generate_random_map {
1140	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
1141	# mit "rum" bekleckern, nicht	1816	# mit "rum" bekleckern, nicht
1142	$self->_create_random_map (	1817	$self->_create_random_map (
1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1818	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1819	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1820	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1146	$rmp->{exit_on_final_map},	1821	$rmp->{exit_on_final_map},
1147	$rmp->{xsize}, $rmp->{ysize},	1822	$rmp->{xsize}, $rmp->{ysize},
1148	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1823	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1149	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1824	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1171		1846
1172	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1847	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1173	}	1848	}
1174		1849
1175	# also paths starting with '/'	1850	# also paths starting with '/'
1176	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1851	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1177		1852
1178	sub thawer_merge {	1853	sub thawer_merge {
1179	my ($self, $merge) = @_;	1854	my ($self, $merge) = @_;
1180		1855
1181	# we have to keep some variables in memory intact	1856	# we have to keep some variables in memory intact
1182	local $self->{path};	1857	local $self->{path};
1183	local $self->{load_path};	1858	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		1859
1187	$self->SUPER::thawer_merge ($merge);	1860	$self->SUPER::thawer_merge ($merge);
1188	}	1861	}
1189		1862
1190	sub normalise {	1863	sub normalise {
…		…
1237	$self->init; # pass $1 etc.	1910	$self->init; # pass $1 etc.
1238	return $self;	1911	return $self;
1239	}	1912	}
1240	}	1913	}
1241		1914
1242	Carp::carp "unable to resolve path '$path' (base '$base').";	1915	Carp::cluck "unable to resolve path '$path' (base '$base').";
1243	()	1916	()
1244	}	1917	}
1245		1918
1246	sub init {	1919	sub init {
1247	my ($self) = @_;	1920	my ($self) = @_;
…		…
1262		1935
1263	# the original (read-only) location	1936	# the original (read-only) location
1264	sub load_path {	1937	sub load_path {
1265	my ($self) = @_;	1938	my ($self) = @_;
1266		1939
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1940	"$MAPDIR/$self->{path}.map"
1268	}	1941	}
1269		1942
1270	# the temporary/swap location	1943	# the temporary/swap location
1271	sub save_path {	1944	sub save_path {
1272	my ($self) = @_;	1945	my ($self) = @_;
1273		1946
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1947	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1948	"$TMPDIR/$path.map"
1276	}	1949	}
1277		1950
1278	# the unique path, undef == no special unique path	1951	# the unique path, undef == no special unique path
1279	sub uniq_path {	1952	sub uniq_path {
1280	my ($self) = @_;	1953	my ($self) = @_;
1281		1954
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1955	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1956	"$UNIQUEDIR/$path"
1284	}	1957	}
1285		1958
1286	# and all this just because we cannot iterate over	1959	sub decay_objects {
1287	# all maps in C++...
1288	sub change_all_map_light {
1289	my ($change) = @_;	1960	my ($self) = @_;
1290		1961
1291	$_->change_map_light ($change)	1962	return if $self->{deny_reset};
1292	for grep $_->outdoor, values %cf::MAP;	1963
		1964	$self->do_decay_objects;
1293	}	1965	}
1294		1966
1295	sub unlink_save {	1967	sub unlink_save {
1296	my ($self) = @_;	1968	my ($self) = @_;
1297		1969
1298	utf8::encode (my $save = $self->save_path);	1970	utf8::encode (my $save = $self->save_path);
1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1971	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1300	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1972	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1301
1302	#d#TODO remove .map and also nuke
1303	$save =~ s/\.map// or return;#d#
1304	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1305	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1306	}	1973	}
1307		1974
1308	sub load_header_from($) {	1975	sub load_header_from($) {
1309	my ($self, $path) = @_;	1976	my ($self, $path) = @_;
1310		1977
1311	utf8::encode $path;	1978	utf8::encode $path;
1312	#aio_open $path, O_RDONLY, 0	1979	my $f = new_from_file cf::object::thawer $path
1313	# or return;
1314
1315	$self->_load_header ($path)
1316	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;
1317		1987
1318	$self->{load_path} = $path;	1988	$self->{load_path} = $path;
1319		1989
1320	1	1990	1
1321	}	1991	}
…		…
1360	$self->load_header_orig	2030	$self->load_header_orig
1361	or return;	2031	or return;
1362	$self->prepare_orig;	2032	$self->prepare_orig;
1363	}	2033	}
1364		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
1365	1	2041	1
1366	}	2042	}
1367		2043
1368	sub find;	2044	sub find;
1369	sub find {	2045	sub find {
1370	my ($path, $origin) = @_;	2046	my ($path, $origin) = @_;
1371		2047
1372	$path = normalise $path, $origin && $origin->path;	2048	$path = normalise $path, $origin && $origin->path;
1373		2049
		2050	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1374	cf::lock_wait "map_find:$path";	2051	my $guard2 = cf::lock_acquire "map_find:$path";
1375		2052
1376	$cf::MAP{$path} || do {	2053	$cf::MAP{$path} || do {
1377	my $guard = cf::lock_acquire "map_find:$path";
1378	my $map = new_from_path cf::map $path	2054	my $map = new_from_path cf::map $path
1379	or return;	2055	or return;
1380		2056
1381	$map->{last_save} = $cf::RUNTIME;	2057	$map->{last_save} = $cf::RUNTIME;
1382		2058
1383	$map->load_header	2059	$map->load_header
1384	or return;	2060	or return;
1385		2061
1386	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2062	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1387	# doing this can freeze the server in a sync job, obviously	2063	# doing this can freeze the server in a sync job, obviously
1388	#$cf::WAIT_FOR_TICK->wait;	2064	#$cf::WAIT_FOR_TICK->wait;
		2065	undef $guard2;
		2066	undef $guard1;
1389	$map->reset;	2067	$map->reset;
1390	undef $guard;
1391	return find $path;	2068	return find $path;
1392	}	2069	}
1393		2070
1394	$cf::MAP{$path} = $map	2071	$cf::MAP{$path} = $map
1395	}	2072	}
1396	}	2073	}
1397		2074
1398	sub pre_load { }	2075	sub pre_load { }
1399	sub post_load { }	2076	#sub post_load { } # XS
1400		2077
1401	sub load {	2078	sub load {
1402	my ($self) = @_;	2079	my ($self) = @_;
1403		2080
1404	local $self->{deny_reset} = 1; # loading can take a long time	2081	local $self->{deny_reset} = 1; # loading can take a long time
1405		2082
1406	my $path = $self->{path};	2083	my $path = $self->{path};
		2084
		2085	{
1407	my $guard = cf::lock_acquire "map_load:$path";	2086	my $guard = cf::lock_acquire "map_data:$path";
1408		2087
		2088	return unless $self->valid;
1409	return if $self->in_memory != cf::MAP_SWAPPED;	2089	return unless $self->in_memory == cf::MAP_SWAPPED;
1410		2090
1411	$self->in_memory (cf::MAP_LOADING);	2091	$self->in_memory (cf::MAP_LOADING);
1412		2092
1413	$self->alloc;	2093	$self->alloc;
1414		2094
1415	$self->pre_load;	2095	$self->pre_load;
		2096	cf::cede_to_tick;
1416		2097
1417	$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)
1418	or return;	2101	or return;
1419		2102
1420	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2103	$self->post_load_original
1421	if delete $self->{load_original};	2104	if delete $self->{load_original};
1422		2105
1423	if (my $uniq = $self->uniq_path) {	2106	if (my $uniq = $self->uniq_path) {
1424	utf8::encode $uniq;	2107	utf8::encode $uniq;
1425	if (aio_open $uniq, O_RDONLY, 0) {	2108	unless (aio_stat $uniq) {
		2109	if (my $f = new_from_file cf::object::thawer $uniq) {
1426	$self->clear_unique_items;	2110	$self->clear_unique_items;
1427	$self->_load_objects ($uniq, 0);	2111	$self->_load_objects ($f);
		2112	$f->resolve_delayed_derefs;
		2113	}
1428	}	2114	}
1429	}	2115	}
1430		2116
1431	Coro::cede;	2117	$f->resolve_delayed_derefs;
1432		2118
		2119	cf::cede_to_tick;
1433	# now do the right thing for maps	2120	# now do the right thing for maps
1434	$self->link_multipart_objects;	2121	$self->link_multipart_objects;
1435
1436	unless ($self->{deny_activate}) {
1437	$self->decay_objects;
1438	$self->fix_auto_apply;
1439	$self->update_buttons;
1440	Coro::cede;
1441	$self->set_darkness_map;
1442	$self->difficulty ($self->estimate_difficulty)	2122	$self->difficulty ($self->estimate_difficulty)
1443	unless $self->difficulty;	2123	unless $self->difficulty;
1444	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;
1445	$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);
1446	}	2138	}
1447		2139
1448	$self->post_load;	2140	$self->post_load;
1449
1450	$self->in_memory (cf::MAP_IN_MEMORY);
1451	}	2141	}
1452		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
1453	sub customise_for {	2146	sub customise_for {
1454	my ($self, $ob) = @_;	2147	my ($self, $ob) = @_;
1455		2148
1456	return find "~" . $ob->name . "/" . $self->{path}	2149	return find "~" . $ob->name . "/" . $self->{path}
1457	if $self->per_player;	2150	if $self->per_player;
1458		2151
		2152	# return find "?party/" . $ob->name . "/" . $self->{path}
		2153	# if $self->per_party;
		2154
1459	$self	2155	$self
1460	}	2156	}
1461		2157
1462	# 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
1463	sub load_diag {	2159	sub load_neighbours {
1464	my ($map) = @_;	2160	my ($map) = @_;
1465		2161
1466	my @diag; # diagonal neighbours	2162	my @neigh; # diagonal neighbours
1467		2163
1468	for (0 .. 3) {	2164	for (0 .. 3) {
1469	my $neigh = $map->tile_path ($_)	2165	my $neigh = $map->tile_path ($_)
1470	or next;	2166	or next;
1471	$neigh = find $neigh, $map	2167	$neigh = find $neigh, $map
1472	or next;	2168	or next;
1473	$neigh->load;	2169	$neigh->load;
1474		2170
		2171	# now find the diagonal neighbours
		2172	push @neigh,
1475	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2173	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1476	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2174	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1477	}	2175	}
1478		2176
1479	for (@diag) {	2177	for (grep defined $_->[0], @neigh) {
		2178	my ($path, $origin) = @$_;
1480	my $neigh = find @$_	2179	my $neigh = find $path, $origin
1481	or next;	2180	or next;
1482	$neigh->load;	2181	$neigh->load;
1483	}	2182	}
1484	}	2183	}
1485		2184
…		…
1490	}	2189	}
1491		2190
1492	sub do_load_sync {	2191	sub do_load_sync {
1493	my ($map) = @_;	2192	my ($map) = @_;
1494		2193
		2194	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2195	if $Coro::current == $Coro::main;
		2196
1495	cf::sync_job { $map->load };	2197	cf::sync_job { $map->load };
1496	}	2198	}
1497		2199
1498	our %MAP_PREFETCH;	2200	our %MAP_PREFETCH;
1499	our $MAP_PREFETCHER = undef;	2201	our $MAP_PREFETCHER = undef;
1500		2202
1501	sub find_async {	2203	sub find_async {
1502	my ($path, $origin) = @_;	2204	my ($path, $origin, $load) = @_;
1503		2205
1504	$path = normalise $path, $origin && $origin->{path};	2206	$path = normalise $path, $origin && $origin->{path};
1505		2207
1506	if (my $map = $cf::MAP{$path}) {	2208	if (my $map = $cf::MAP{$path}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2209	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1508	}	2210	}
1509		2211
1510	undef $MAP_PREFETCH{$path};	2212	$MAP_PREFETCH{$path} |= $load;
		2213
1511	$MAP_PREFETCHER ||= cf::async {	2214	$MAP_PREFETCHER ||= cf::async {
		2215	$Coro::current->{desc} = "map prefetcher";
		2216
1512	while (%MAP_PREFETCH) {	2217	while (%MAP_PREFETCH) {
1513	for my $path (keys %MAP_PREFETCH) {	2218	while (my ($k, $v) = each %MAP_PREFETCH) {
1514	my $map = find $path	2219	if (my $map = find $k) {
1515	or next;
1516	$map->load;	2220	$map->load if $v;
		2221	}
1517		2222
1518	delete $MAP_PREFETCH{$path};	2223	delete $MAP_PREFETCH{$k};
1519	}	2224	}
1520	}	2225	}
1521	undef $MAP_PREFETCHER;	2226	undef $MAP_PREFETCHER;
1522	};	2227	};
1523	$MAP_PREFETCHER->prio (6);	2228	$MAP_PREFETCHER->prio (6);
1524		2229
1525	()	2230	()
1526	}	2231	}
1527		2232
		2233	# common code, used by both ->save and ->swapout
1528	sub save {	2234	sub _save {
1529	my ($self) = @_;	2235	my ($self) = @_;
1530
1531	my $lock = cf::lock_acquire "map_data:" . $self->path;
1532		2236
1533	$self->{last_save} = $cf::RUNTIME;	2237	$self->{last_save} = $cf::RUNTIME;
1534		2238
1535	return unless $self->dirty;	2239	return unless $self->dirty;
1536		2240
…		…
1542	return if $self->{deny_save};	2246	return if $self->{deny_save};
1543		2247
1544	local $self->{last_access} = $self->last_access;#d#	2248	local $self->{last_access} = $self->last_access;#d#
1545		2249
1546	cf::async {	2250	cf::async {
		2251	$Coro::current->{desc} = "map player save";
1547	$_->contr->save for $self->players;	2252	$_->contr->save for $self->players;
1548	};	2253	};
		2254
		2255	cf::get_slot 0.02;
1549		2256
1550	if ($uniq) {	2257	if ($uniq) {
1551	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2258	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1552	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2259	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1553	} else {	2260	} else {
1554	$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);
1555	}	2262	}
1556	}	2263	}
1557		2264
		2265	sub save {
		2266	my ($self) = @_;
		2267
		2268	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2269
		2270	$self->_save;
		2271	}
		2272
1558	sub swap_out {	2273	sub swap_out {
1559	my ($self) = @_;	2274	my ($self) = @_;
1560		2275
1561	# save first because save cedes
1562	$self->save;
1563
1564	my $lock = cf::lock_acquire "map_data:" . $self->path;	2276	my $lock = cf::lock_acquire "map_data:$self->{path}";
1565		2277
		2278	return if $self->in_memory != cf::MAP_ACTIVE;
		2279	return if $self->{deny_save};
1566	return if $self->players;	2280	return if $self->players;
1567	return if $self->in_memory != cf::MAP_IN_MEMORY;
1568	return if $self->{deny_save};
1569		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
1570	$self->clear;	2291	$self->clear;
1571	$self->in_memory (cf::MAP_SWAPPED);
1572	}	2292	}
1573		2293
1574	sub reset_at {	2294	sub reset_at {
1575	my ($self) = @_;	2295	my ($self) = @_;
1576		2296
1577	# TODO: safety, remove and allow resettable per-player maps	2297	# TODO: safety, remove and allow resettable per-player maps
1578	return 1e99 if $self->isa ("ext::map_per_player");#d#
1579	return 1e99 if $self->{deny_reset};	2298	return 1e99 if $self->{deny_reset};
1580		2299
1581	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2300	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1582	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;
1583		2302
…		…
1594	my ($self) = @_;	2313	my ($self) = @_;
1595		2314
1596	my $lock = cf::lock_acquire "map_data:$self->{path}";	2315	my $lock = cf::lock_acquire "map_data:$self->{path}";
1597		2316
1598	return if $self->players;	2317	return if $self->players;
1599	return if $self->isa ("ext::map_per_player");#d#
1600		2318
1601	warn "resetting map ", $self->path;#d#	2319	warn "resetting map ", $self->path, "\n";
		2320
		2321	$self->in_memory (cf::MAP_SWAPPED);
		2322
		2323	# need to save uniques path
		2324	unless ($self->{deny_save}) {
		2325	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2326
		2327	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2328	if $uniq;
		2329	}
1602		2330
1603	delete $cf::MAP{$self->path};	2331	delete $cf::MAP{$self->path};
1604		2332
1605	$self->in_memory (cf::MAP_SWAPPED);	2333	$self->deactivate;
		2334	$_->clear_links_to ($self) for values %cf::MAP;
1606	$self->clear;	2335	$self->clear;
1607
1608	$_->clear_links_to ($self) for values %cf::MAP;
1609		2336
1610	$self->unlink_save;	2337	$self->unlink_save;
1611	$self->destroy;	2338	$self->destroy;
1612	}	2339	}
1613		2340
1614	my $nuke_counter = "aaaa";	2341	my $nuke_counter = "aaaa";
1615		2342
1616	sub nuke {	2343	sub nuke {
1617	my ($self) = @_;	2344	my ($self) = @_;
1618		2345
		2346	{
		2347	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2348
1619	delete $cf::MAP{$self->path};	2349	delete $cf::MAP{$self->path};
1620		2350
1621	$self->unlink_save;	2351	$self->unlink_save;
1622		2352
1623	bless $self, "cf::map";	2353	bless $self, "cf::map::wrap";
1624	delete $self->{deny_reset};	2354	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	2355	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	2356	$self->reset_timeout (1);
1627	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2357	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1628		2358
1629	$cf::MAP{$self->path} = $self;	2359	$cf::MAP{$self->path} = $self;
		2360	}
1630		2361
1631	$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	]
1632	}	2399	}
1633		2400
1634	=item cf::map::unique_maps	2401	=item cf::map::unique_maps
1635		2402
1636	Returns an arrayref of paths of all shared maps that have	2403	Returns an arrayref of paths of all shared maps that have
1637	instantiated unique items. May block.	2404	instantiated unique items. May block.
1638		2405
1639	=cut	2406	=cut
1640		2407
1641	sub unique_maps() {	2408	sub unique_maps() {
1642	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2409	[
1643	or return;	2410	map {
1644
1645	my @paths;
1646
1647	for (@$files) {
1648	utf8::decode $_;	2411	utf8::decode $_;
1649	next if /\.pst$/;	2412	s/\.map$//; # TODO future compatibility hack
1650	next unless /^$PATH_SEP/o;	2413	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1651		2414	? ()
1652	push @paths, cf::map::normalise $_;	2415	: normalise $_
		2416	} @{ aio_readdir $UNIQUEDIR or [] }
1653	}	2417	]
1654
1655	\@paths
1656	}	2418	}
1657		2419
1658	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	}
1659		2451
1660	=back	2452	=back
1661		2453
1662	=head3 cf::object	2454	=head3 cf::object
1663		2455
…		…
1667		2459
1668	=over 4	2460	=over 4
1669		2461
1670	=item $ob->inv_recursive	2462	=item $ob->inv_recursive
1671		2463
1672	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.
1673		2466
1674	=cut	2467	=cut
1675		2468
1676	sub inv_recursive_;	2469	sub inv_recursive_;
1677	sub inv_recursive_ {	2470	sub inv_recursive_ {
…		…
1680		2473
1681	sub inv_recursive {	2474	sub inv_recursive {
1682	inv_recursive_ inv $_[0]	2475	inv_recursive_ inv $_[0]
1683	}	2476	}
1684		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
1685	package cf;	2506	package cf;
1686		2507
1687	=back	2508	=back
1688		2509
1689	=head3 cf::object::player	2510	=head3 cf::object::player
…		…
1695	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>
1696	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
1697	dialogue with the given NPC character.	2518	dialogue with the given NPC character.
1698		2519
1699	=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	};
1700		2535
1701	# rough implementation of a future "reply" method that works	2536	# rough implementation of a future "reply" method that works
1702	# with dialog boxes.	2537	# with dialog boxes.
1703	#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
1704	sub cf::object::player::reply($$$;$) {	2539	sub cf::object::player::reply($$$;$) {
…		…
1706		2541
1707	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2542	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1708		2543
1709	if ($self->{record_replies}) {	2544	if ($self->{record_replies}) {
1710	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2545	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2546
1711	} 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 {
1712	$msg = $npc->name . " says: $msg" if $npc;	2555	$msg = $npc->name . " says: $msg" if $npc;
1713	$self->message ($msg, $flags);	2556	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2557	}
1714	}	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 (@_);
1715	}	2569	}
1716		2570
1717	=item $player_object->may ("access")	2571	=item $player_object->may ("access")
1718		2572
1719	Returns wether the given player is authorized to access resource "access"	2573	Returns wether the given player is authorized to access resource "access"
…		…
1732		2586
1733	=item $player_object->enter_link	2587	=item $player_object->enter_link
1734		2588
1735	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}>).
1736		2590
1737	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.
1738	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.
1739		2595
1740	Will never block.	2596	Will never block.
1741		2597
1742	=item $player_object->leave_link ($map, $x, $y)	2598	=item $player_object->leave_link ($map, $x, $y)
1743		2599
…		…
1763	sub cf::object::player::enter_link {	2619	sub cf::object::player::enter_link {
1764	my ($self) = @_;	2620	my ($self) = @_;
1765		2621
1766	$self->deactivate_recursive;	2622	$self->deactivate_recursive;
1767		2623
		2624	++$self->{_link_recursion};
		2625
1768	return if UNIVERSAL::isa $self->map, "ext::map_link";	2626	return if UNIVERSAL::isa $self->map, "ext::map_link";
1769		2627
1770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2628	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1771	if $self->map;	2629	if $self->map && $self->map->{path} ne "{link}";
1772		2630
1773	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2631	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1774	}	2632	}
1775		2633
1776	sub cf::object::player::leave_link {	2634	sub cf::object::player::leave_link {
1777	my ($self, $map, $x, $y) = @_;	2635	my ($self, $map, $x, $y) = @_;
		2636
		2637	return unless $self->contr->active;
1778		2638
1779	my $link_pos = delete $self->{_link_pos};	2639	my $link_pos = delete $self->{_link_pos};
1780		2640
1781	unless ($map) {	2641	unless ($map) {
1782	# restore original map position	2642	# restore original map position
…		…
1793	($x, $y) = (-1, -1)	2653	($x, $y) = (-1, -1)
1794	unless (defined $x) && (defined $y);	2654	unless (defined $x) && (defined $y);
1795		2655
1796	# use -1 or undef as default coordinates, not 0, 0	2656	# use -1 or undef as default coordinates, not 0, 0
1797	($x, $y) = ($map->enter_x, $map->enter_y)	2657	($x, $y) = ($map->enter_x, $map->enter_y)
1798	if $x <=0 && $y <= 0;	2658	if $x <= 0 && $y <= 0;
1799		2659
1800	$map->load;	2660	$map->load;
1801	$map->load_diag;	2661	$map->load_neighbours;
1802		2662
1803	return unless $self->contr->active;	2663	return unless $self->contr->active;
		2664
		2665	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2666	if ($self->enter_map ($map, $x, $y)) {
		2667	# entering was successful
		2668	delete $self->{_link_recursion};
		2669	# only activate afterwards, to support waiting in hooks
1804	$self->activate_recursive;	2670	$self->activate_recursive;
1805	$self->enter_map ($map, $x, $y);
1806	}
1807
1808	cf::player->attach (
1809	on_logout => sub {
1810	my ($pl) = @_;
1811
1812	# abort map switching before logout
1813	if ($pl->ob->{_link_pos}) {
1814	cf::sync_job {
1815	$pl->ob->leave_link
1816	};
1817	}
1818	},	2671	}
1819	on_login => sub {
1820	my ($pl) = @_;
1821		2672
1822	# try to abort aborted map switching on player login :)	2673	}
1823	# should happen only on crashes
1824	if ($pl->ob->{_link_pos}) {
1825	$pl->ob->enter_link;
1826	(async {
1827	# we need this sleep as the login has a concurrent enter_exit running
1828	# and this sleep increases chances of the player not ending up in scorn
1829	$pl->ob->reply (undef,
1830	"There was an internal problem at your last logout, "
1831	. "the server will try to bring you to your intended destination in a second.",
1832	cf::NDI_RED);
1833	Coro::Timer::sleep 1;
1834	$pl->ob->leave_link;
1835	})->prio (2);
1836	}
1837	},
1838	);
1839		2674
1840	=item $player_object->goto ($path, $x, $y)	2675	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1841		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
1842	=cut	2686	=cut
		2687
		2688	our $GOTOGEN;
1843		2689
1844	sub cf::object::player::goto {	2690	sub cf::object::player::goto {
1845	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;
1846		2701
1847	$self->enter_link;	2702	$self->enter_link;
1848		2703
1849	(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
1850	my $map = eval {	2726	my $map = eval {
1851	my $map = cf::map::find $path;	2727	my $map = defined $path ? cf::map::find $path : undef;
		2728
		2729	if ($map) {
1852	$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
1853	$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 $@;
1854	} or	2742	}
1855	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1856		2743
		2744	if ($gen == $self->{_goto_generation}) {
		2745	delete $self->{_goto_generation};
1857	$self->leave_link ($map, $x, $y);	2746	$self->leave_link ($map, $x, $y);
		2747	}
		2748
		2749	$done->($self) if $done;
1858	})->prio (1);	2750	})->prio (1);
1859	}	2751	}
1860		2752
1861	=item $player_object->enter_exit ($exit_object)	2753	=item $player_object->enter_exit ($exit_object)
1862		2754
…		…
1882	}	2774	}
1883		2775
1884	sub prepare_random_map {	2776	sub prepare_random_map {
1885	my ($exit) = @_;	2777	my ($exit) = @_;
1886		2778
1887	my $guard = cf::lock_acquire "exit_prepare:$exit";
1888
1889	# all this does is basically replace the /! path by	2779	# all this does is basically replace the /! path by
1890	# a new random map path (?random/...) with a seed	2780	# a new random map path (?random/...) with a seed
1891	# that depends on the exit object	2781	# that depends on the exit object
1892		2782
1893	my $rmp = parse_random_map_params $exit->msg;	2783	my $rmp = parse_random_map_params $exit->msg;
…		…
1895	if ($exit->map) {	2785	if ($exit->map) {
1896	$rmp->{region} = $exit->region->name;	2786	$rmp->{region} = $exit->region->name;
1897	$rmp->{origin_map} = $exit->map->path;	2787	$rmp->{origin_map} = $exit->map->path;
1898	$rmp->{origin_x} = $exit->x;	2788	$rmp->{origin_x} = $exit->x;
1899	$rmp->{origin_y} = $exit->y;	2789	$rmp->{origin_y} = $exit->y;
		2790
		2791	$exit->map->touch;
1900	}	2792	}
1901		2793
1902	$rmp->{random_seed} ||= $exit->random_seed;	2794	$rmp->{random_seed} ||= $exit->random_seed;
1903		2795
1904	my $data = cf::to_json $rmp;	2796	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1905	my $md5 = Digest::MD5::md5_hex $data;	2797	my $md5 = Digest::MD5::md5_hex $data;
1906	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2798	my $meta = "$RANDOMDIR/$md5.meta";
1907		2799
1908	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2800	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1909	aio_write $fh, 0, (length $data), $data, 0;	2801	aio_write $fh, 0, (length $data), $data, 0;
1910	undef $fh;	2802	undef $fh;
1911	aio_rename "$meta~", $meta;	2803	aio_rename "$meta~", $meta;
1912		2804
		2805	my $slaying = "?random/$md5";
		2806
		2807	if ($exit->valid) {
1913	$exit->slaying ("?random/$md5");	2808	$exit->slaying ("?random/$md5");
1914	$exit->msg (undef);	2809	$exit->msg (undef);
		2810	}
1915	}	2811	}
1916	}	2812	}
1917		2813
1918	sub cf::object::player::enter_exit {	2814	sub cf::object::player::enter_exit {
1919	my ($self, $exit) = @_;	2815	my ($self, $exit) = @_;
1920		2816
1921	return unless $self->type == cf::PLAYER;	2817	return unless $self->type == cf::PLAYER;
1922		2818
1923	if ($exit->slaying eq "/!") {
1924	#TODO: this should de-fi-ni-te-ly not be a sync-job
1925	cf::sync_job { prepare_random_map $exit };
1926	}
1927
1928	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1929	my $hp = $exit->stats->hp;
1930	my $sp = $exit->stats->sp;
1931
1932	$self->enter_link;	2819	$self->enter_link;
1933		2820
1934	(async {	2821	(async {
1935	$self->deactivate_recursive; # just to be sure	2822	$Coro::current->{desc} = "enter_exit";
		2823
1936	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
1937	$self->goto ($slaying, $hp, $sp);	2839	$self->goto ($map, $x, $y);
1938		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
1939	1;	2845	1
1940	}) {	2846	}) {
1941	$self->message ("Something went wrong deep within the crossfire server. "	2847	$self->message ("Something went wrong deep within the deliantra server. "
1942	. "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. "
1943	. "Please report this to the dungeon master!",	2849	. "Please report this to the dungeon master!",
1944	cf::NDI_UNIQUE | cf::NDI_RED);	2850	cf::NDI_UNIQUE | cf::NDI_RED);
1945		2851
1946	warn "ERROR in enter_exit: $@";	2852	warn "ERROR in enter_exit: $@";
1947	$self->leave_link;	2853	$self->leave_link;
1948	}	2854	}
1949	})->prio (1);	2855	})->prio (1);
…		…
1962		2868
1963	sub cf::client::send_drawinfo {	2869	sub cf::client::send_drawinfo {
1964	my ($self, $text, $flags) = @_;	2870	my ($self, $text, $flags) = @_;
1965		2871
1966	utf8::encode $text;	2872	utf8::encode $text;
1967	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2873	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1968	}	2874	}
1969		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
		3063	=item $client->ext_msg ($type, @msg)
		3064
		3065	Sends an ext event to the client.
		3066
		3067	=cut
		3068
		3069	sub cf::client::ext_msg($$@) {
		3070	my ($self, $type, @msg) = @_;
		3071
		3072	if ($self->extcmd == 2) {
		3073	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3074	} elsif ($self->extcmd == 1) { # TODO: remove
		3075	push @msg, msgtype => "event_$type";
		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	}
		3096	}
1970		3097
1971	=item $success = $client->query ($flags, "text", \&cb)	3098	=item $success = $client->query ($flags, "text", \&cb)
1972		3099
1973	Queues a query to the client, calling the given callback with	3100	Queues a query to the client, calling the given callback with
1974	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>,
1975	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>.
1976		3103
1977	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
1978	reliable at some point in the future.	3105	become reliable at some point in the future.
1979		3106
1980	=cut	3107	=cut
1981		3108
1982	sub cf::client::query {	3109	sub cf::client::query {
1983	my ($self, $flags, $text, $cb) = @_;	3110	my ($self, $flags, $text, $cb) = @_;
…		…
1991	utf8::encode $text;	3118	utf8::encode $text;
1992	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3119	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1993		3120
1994	$self->send_packet ($self->{query_queue}[0][0])	3121	$self->send_packet ($self->{query_queue}[0][0])
1995	if @{ $self->{query_queue} } == 1;	3122	if @{ $self->{query_queue} } == 1;
		3123
		3124	1
1996	}	3125	}
1997		3126
1998	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	},
1999	on_reply => sub {	3133	on_reply => sub {
2000	my ($ns, $msg) = @_;	3134	my ($ns, $msg) = @_;
2001		3135
2002	# this weird shuffling is so that direct followup queries	3136	# this weird shuffling is so that direct followup queries
2003	# get handled first	3137	# get handled first
…		…
2015	} else {	3149	} else {
2016	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3150	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2017	}	3151	}
2018	}	3152	}
2019	},	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	},
2020	);	3180	);
2021		3181
2022	=item $client->async (\&cb)	3182	=item $client->async (\&cb)
2023		3183
2024	Create a new coroutine, running the specified callback. The coroutine will	3184	Create a new coroutine, running the specified callback. The coroutine will
…		…
2040		3200
2041	$coro	3201	$coro
2042	}	3202	}
2043		3203
2044	cf::client->attach (	3204	cf::client->attach (
2045	on_destroy => sub {	3205	on_client_destroy => sub {
2046	my ($ns) = @_;	3206	my ($ns) = @_;
2047		3207
2048	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3208	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2049	},	3209	},
2050	);	3210	);
…		…
2065	our $safe = new Safe "safe";	3225	our $safe = new Safe "safe";
2066	our $safe_hole = new Safe::Hole;	3226	our $safe_hole = new Safe::Hole;
2067		3227
2068	$SIG{FPE} = 'IGNORE';	3228	$SIG{FPE} = 'IGNORE';
2069		3229
2070	$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	));
2071		3235
2072	# here we export the classes and methods available to script code	3236	# here we export the classes and methods available to script code
2073		3237
2074	=pod	3238	=pod
2075		3239
2076	The following fucntions and emthods are available within a safe environment:	3240	The following functions and methods are available within a safe environment:
2077		3241
2078	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
2079	cf::object::player player	3247	cf::object::player
2080	cf::player peaceful	3248	player
2081	cf::map trigger	3249
		3250	cf::player
		3251	peaceful
		3252
		3253	cf::map
		3254	trigger
2082		3255
2083	=cut	3256	=cut
2084		3257
2085	for (	3258	for (
2086	["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)],
2087	["cf::object::player" => qw(player)],	3262	["cf::object::player" => qw(player)],
2088	["cf::player" => qw(peaceful)],	3263	["cf::player" => qw(peaceful send_msg)],
2089	["cf::map" => qw(trigger)],	3264	["cf::map" => qw(trigger)],
2090	) {	3265	) {
2091	no strict 'refs';	3266	no strict 'refs';
2092	my ($pkg, @funs) = @$_;	3267	my ($pkg, @funs) = @$_;
2093	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3268	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2111		3286
2112	my $qcode = $code;	3287	my $qcode = $code;
2113	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3288	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2114	$qcode =~ s/\n/\\n/g;	3289	$qcode =~ s/\n/\\n/g;
2115		3290
		3291	%vars = (_dummy => 0) unless %vars;
		3292
		3293	my @res;
2116	local $_;	3294	local $_;
2117	local @safe::cf::_safe_eval_args = values %vars;
2118		3295
2119	my $eval =	3296	my $eval =
2120	"do {\n"	3297	"do {\n"
2121	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3298	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2122	. "#line 0 \"{$qcode}\"\n"	3299	. "#line 0 \"{$qcode}\"\n"
2123	. $code	3300	. $code
2124	. "\n}"	3301	. "\n}"
2125	;	3302	;
2126		3303
		3304	if ($CFG{safe_eval}) {
2127	sub_generation_inc;	3305	sub_generation_inc;
		3306	local @safe::cf::_safe_eval_args = values %vars;
2128	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3307	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2129	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	}
2130		3313
2131	if ($@) {	3314	if ($@) {
2132	warn "$@";	3315	warn "$@";
2133	warn "while executing safe code '$code'\n";	3316	warn "while executing safe code '$code'\n";
2134	warn "with arguments " . (join " ", %vars) . "\n";	3317	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2153	=cut	3336	=cut
2154		3337
2155	sub register_script_function {	3338	sub register_script_function {
2156	my ($fun, $cb) = @_;	3339	my ($fun, $cb) = @_;
2157		3340
2158	no strict 'refs';	3341	$fun = "safe::$fun" if $CFG{safe_eval};
2159	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3342	*$fun = $safe_hole->wrap ($cb);
2160	}	3343	}
2161		3344
2162	=back	3345	=back
2163		3346
2164	=cut	3347	=cut
2165
2166	#############################################################################
2167
2168	=head2 EXTENSION DATABASE SUPPORT
2169
2170	Crossfire maintains a very simple database for extension use. It can
2171	currently store anything that can be serialised using Storable, which
2172	excludes objects.
2173
2174	The parameter C<$family> should best start with the name of the extension
2175	using it, it should be unique.
2176
2177	=over 4
2178
2179	=item $hashref = cf::db_get $family
2180
2181	Return a hashref for use by the extension C<$family>, which can be
2182	modified. After modifications, you have to call C<cf::db_dirty> or
2183	C<cf::db_sync>.
2184
2185	=item $value = cf::db_get $family => $key
2186
2187	Returns a single value from the database
2188
2189	=item cf::db_put $family => $hashref
2190
2191	Stores the given family hashref into the database. Updates are delayed, if
2192	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2193
2194	=item cf::db_put $family => $key => $value
2195
2196	Stores the given C<$value> in the family hash. Updates are delayed, if you
2197	want the data to be synced to disk immediately, use C<cf::db_sync>.
2198
2199	=item cf::db_dirty
2200
2201	Marks the database as dirty, to be updated at a later time.
2202
2203	=item cf::db_sync
2204
2205	Immediately write the database to disk I<if it is dirty>.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	{
2212	my $path = cf::localdir . "/database.pst";
2213
2214	sub db_load() {
2215	$DB = stat $path ? Storable::retrieve $path : { };
2216	}
2217
2218	my $pid;
2219
2220	sub db_save() {
2221	waitpid $pid, 0 if $pid;
2222	if (0 == ($pid = fork)) {
2223	$DB->{_meta}{version} = 1;
2224	Storable::nstore $DB, "$path~";
2225	rename "$path~", $path;
2226	cf::_exit 0 if defined $pid;
2227	}
2228	}
2229
2230	my $dirty;
2231
2232	sub db_sync() {
2233	db_save if $dirty;
2234	undef $dirty;
2235	}
2236
2237	my $idle = Event->idle (
2238	reentrant => 0,
2239	min => 10,
2240	max => 20,
2241	repeat => 0,
2242	data => WF_AUTOCANCEL,
2243	cb => \&db_sync,
2244	);
2245
2246	sub db_dirty() {
2247	$dirty = 1;
2248	$idle->start;
2249	}
2250
2251	sub db_get($;$) {
2252	@_ >= 2
2253	? $DB->{$_[0]}{$_[1]}
2254	: ($DB->{$_[0]} ||= { })
2255	}
2256
2257	sub db_put($$;$) {
2258	if (@_ >= 3) {
2259	$DB->{$_[0]}{$_[1]} = $_[2];
2260	} else {
2261	$DB->{$_[0]} = $_[1];
2262	}
2263	db_dirty;
2264	}
2265
2266	cf::global->attach (
2267	prio => 10000,
2268	on_cleanup => sub {
2269	db_sync;
2270	},
2271	);
2272	}
2273		3348
2274	#############################################################################	3349	#############################################################################
2275	# the server's init and main functions	3350	# the server's init and main functions
2276		3351
		3352	sub load_facedata($) {
		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;
		3360
		3361	warn "loading facedata from $path\n";
		3362
		3363	my $facedata;
		3364	0 < aio_load $path, $facedata
		3365	or die "$path: $!";
		3366
		3367	$facedata = Coro::Storable::thaw $facedata;
		3368
		3369	$facedata->{version} == 2
		3370	or cf::cleanup "$path: version mismatch, cannot proceed.";
		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 = $facedata->{faceinfo};
		3383
		3384	while (my ($face, $info) = each %$faces) {
		3385	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3386
		3387	cf::face::set_visibility $idx, $info->{visibility};
		3388	cf::face::set_magicmap $idx, $info->{magicmap};
		3389	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3390	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3391
		3392	cf::cede_to_tick;
		3393	}
		3394
		3395	while (my ($face, $info) = each %$faces) {
		3396	next unless $info->{smooth};
		3397
		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, $v);
		3450	}
		3451	};
		3452
2277	sub load_resources {	3453	sub load_resource_file($) {
2278	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	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"
2279	or die "unable to load regions file\n";#d#	3469	or die "unable to load regions file\n";
2280	}
2281		3470
2282	sub cfg_load {	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 = $soundconf->{compat}[$_]
		3502	or next;
		3503
		3504	my $face = cf::face::find "sound/$sound->[1]";
		3505	cf::sound::set $sound->[0] => $face;
		3506	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3507	}
		3508
		3509	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3510	my $face = cf::face::find "sound/$v";
		3511	cf::sound::set $k => $face;
		3512	}
		3513	}
		3514
		3515	sub reload_resources {
		3516	warn "reloading resource files...\n";
		3517
		3518	reload_facedata;
		3519	reload_sound;
		3520	reload_archetypes;
		3521	reload_regions;
		3522	reload_treasures;
		3523
		3524	warn "finished reloading resource files\n";
		3525	}
		3526
		3527	sub reload_config {
		3528	warn "reloading config file...\n";
		3529
2283	open my $fh, "<:utf8", cf::confdir . "/config"	3530	open my $fh, "<:utf8", "$CONFDIR/config"
2284	or return;	3531	or return;
2285		3532
2286	local $/;	3533	local $/;
2287	*CFG = YAML::Syck::Load <$fh>;	3534	*CFG = YAML::XS::Load scalar <$fh>;
2288		3535
2289	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3536	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2290		3537
2291	$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};
2292	$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};
2293		3540
2294	if (exists $CFG{mlockall}) {	3541	if (exists $CFG{mlockall}) {
…		…
2296	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3543	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2297	and die "WARNING: m(un)lockall failed: $!\n";	3544	and die "WARNING: m(un)lockall failed: $!\n";
2298	};	3545	};
2299	warn $@ if $@;	3546	warn $@ if $@;
2300	}	3547	}
2301	}
2302		3548
2303	sub init {	3549	warn "finished reloading resource files\n";
2304	load_resources;	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;
2305	}	3578	}
2306		3579
2307	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
2308	# we must not ever block the main coroutine	3590	# we must not ever block the main coroutine
2309	local $Coro::idle = sub {	3591	local $Coro::idle = sub {
2310	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#
2311	(async {	3593	(async {
2312	Event::one_event;	3594	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3595	EV::loop EV::LOOP_ONESHOT;
2313	})->prio (Coro::PRIO_MAX);	3596	})->prio (Coro::PRIO_MAX);
2314	};	3597	};
2315		3598
2316	cfg_load;	3599	evthread_start IO::AIO::poll_fileno;
2317	db_load;	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;
		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
2318	load_extensions;	3622	load_extensions;
2319		3623
2320	$TICK_WATCHER->start;	3624	utime time, time, $RUNTIMEFILE;
2321	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;
2322	}	3637	}
2323		3638
2324	#############################################################################	3639	#############################################################################
2325	# initialisation and cleanup	3640	# initialisation and cleanup
2326		3641
2327	# install some emergency cleanup handlers	3642	# install some emergency cleanup handlers
2328	BEGIN {	3643	BEGIN {
		3644	our %SIGWATCHER = ();
2329	for my $signal (qw(INT HUP TERM)) {	3645	for my $signal (qw(INT HUP TERM)) {
2330	Event->signal (	3646	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2331	reentrant => 0,
2332	data => WF_AUTOCANCEL,
2333	signal => $signal,
2334	prio => 0,
2335	cb => sub {
2336	cf::cleanup "SIG$signal";	3647	cf::cleanup "SIG$signal";
2337	},
2338	);	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
2339	}	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 };
2340	}	3738	}
2341		3739
2342	sub emergency_save() {	3740	sub emergency_save() {
2343	my $freeze_guard = cf::freeze_mainloop;	3741	my $freeze_guard = cf::freeze_mainloop;
2344		3742
2345	warn "enter emergency perl save\n";	3743	warn "emergency_perl_save: enter\n";
2346		3744
2347	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
2348	# use a peculiar iteration method to avoid tripping on perl	3751	# use a peculiar iteration method to avoid tripping on perl
2349	# refcount bugs in for. also avoids problems with players	3752	# refcount bugs in for. also avoids problems with players
2350	# and maps saved/destroyed asynchronously.	3753	# and maps saved/destroyed asynchronously.
2351	warn "begin emergency player save\n";	3754	warn "emergency_perl_save: begin player save\n";
2352	for my $login (keys %cf::PLAYER) {	3755	for my $login (keys %cf::PLAYER) {
2353	my $pl = $cf::PLAYER{$login} or next;	3756	my $pl = $cf::PLAYER{$login} or next;
2354	$pl->valid or next;	3757	$pl->valid or next;
		3758	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2355	$pl->save;	3759	$pl->save;
2356	}	3760	}
2357	warn "end emergency player save\n";	3761	warn "emergency_perl_save: end player save\n";
2358		3762
2359	warn "begin emergency map save\n";	3763	warn "emergency_perl_save: begin map save\n";
2360	for my $path (keys %cf::MAP) {	3764	for my $path (keys %cf::MAP) {
2361	my $map = $cf::MAP{$path} or next;	3765	my $map = $cf::MAP{$path} or next;
2362	$map->valid or next;	3766	$map->valid or next;
2363	$map->save;	3767	$map->save;
2364	}	3768	}
2365	warn "end emergency map save\n";	3769	warn "emergency_perl_save: end map save\n";
		3770
		3771	warn "emergency_perl_save: begin database checkpoint\n";
		3772	BDB::db_env_txn_checkpoint $DB_ENV;
		3773	warn "emergency_perl_save: end database checkpoint\n";
		3774
		3775	warn "emergency_perl_save: begin write uuid\n";
		3776	write_uuid_sync 1;
		3777	warn "emergency_perl_save: end write uuid\n";
2366	};	3778	};
2367		3779
		3780	warn "emergency_perl_save: starting sync()\n";
		3781	IO::AIO::aio_sync sub {
		3782	warn "emergency_perl_save: finished sync()\n";
		3783	};
		3784
2368	warn "leave emergency perl save\n";	3785	warn "emergency_perl_save: leave\n";
2369	}	3786	}
2370		3787
		3788	sub post_cleanup {
		3789	my ($make_core) = @_;
		3790
		3791	warn Carp::longmess "post_cleanup backtrace"
		3792	if $make_core;
		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
2371	sub reload() {	3823	sub do_reload_perl() {
2372	# can/must only be called in main	3824	# can/must only be called in main
2373	if ($Coro::current != $Coro::main) {	3825	if (in_main) {
2374	warn "can only reload from main coroutine";	3826	warn "can only reload from main coroutine";
2375	return;	3827	return;
2376	}	3828	}
2377		3829
		3830	return if $RELOAD++;
		3831
		3832	my $t1 = AE::time;
		3833
		3834	while ($RELOAD) {
2378	warn "reloading...";	3835	warn "reloading...";
2379		3836
2380	warn "cancelling server ticker";	3837	warn "entering sync_job";
2381	$TICK_WATCHER->cancel;
2382		3838
		3839	cf::sync_job {
		3840	cf::write_runtime_sync; # external watchdog should not bark
2383	cf::emergency_save;	3841	cf::emergency_save;
		3842	cf::write_runtime_sync; # external watchdog should not bark
2384		3843
2385	eval {	3844	warn "syncing database to disk";
		3845	BDB::db_env_txn_checkpoint $DB_ENV;
		3846
2386	# 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
2387		3848
2388	warn "syncing database to disk";
2389	cf::db_sync;
2390
2391	warn "cancelling all WF_AUTOCANCEL watchers";
2392	for (Event::all_watchers) {
2393	$_->cancel if $_->data & WF_AUTOCANCEL;
2394	}
2395
2396	warn "flushing outstanding aio requests";	3849	warn "flushing outstanding aio requests";
2397	for (;;) {	3850	while (IO::AIO::nreqs || BDB::nreqs) {
2398	IO::AIO::flush;	3851	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2399	Coro::cede;
2400	last unless IO::AIO::nreqs;
2401	warn "iterate...";
2402	}
2403
2404	warn "cancelling all extension coros";
2405	$_->cancel for values %EXT_CORO;
2406	%EXT_CORO = ();
2407
2408	warn "removing commands";
2409	%COMMAND = ();
2410
2411	warn "removing ext commands";
2412	%EXTCMD = ();
2413
2414	warn "unloading/nuking all extensions";
2415	for my $pkg (@EXTS) {
2416	warn "... unloading $pkg";
2417
2418	if (my $cb = $pkg->can ("unload")) {
2419	eval {
2420	$cb->($pkg);
2421	1
2422	} or warn "$pkg unloaded, but with errors: $@";
2423	}	3852	}
2424		3853
2425	warn "... nuking $pkg";	3854	warn "cancelling all extension coros";
2426	Symbol::delete_package $pkg;	3855	$_->cancel for values %EXT_CORO;
2427	}	3856	%EXT_CORO = ();
2428		3857
2429	warn "unloading all perl modules loaded from $LIBDIR";	3858	warn "removing commands";
2430	while (my ($k, $v) = each %INC) {	3859	%COMMAND = ();
2431	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2432		3860
		3861	warn "removing ext/exti commands";
		3862	%EXTCMD = ();
		3863	%EXTICMD = ();
		3864
		3865	warn "unloading/nuking all extensions";
		3866	for my $pkg (@EXTS) {
2433	warn "... unloading $k";	3867	warn "... unloading $pkg";
2434	delete $INC{$k};
2435		3868
2436	$k =~ s/\.pm$//;
2437	$k =~ s/\//::/g;
2438
2439	if (my $cb = $k->can ("unload_module")) {	3869	if (my $cb = $pkg->can ("unload")) {
		3870	eval {
2440	$cb->();	3871	$cb->($pkg);
		3872	1
		3873	} or warn "$pkg unloaded, but with errors: $@";
		3874	}
		3875
		3876	warn "... clearing $pkg";
		3877	clear_package $pkg;
2441	}	3878	}
2442		3879
2443	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;
2444	}	3895	}
2445		3896
2446	warn "getting rid of safe::, as good as possible";	3897	warn "getting rid of safe::, as good as possible";
2447	Symbol::delete_package "safe::$_"	3898	clear_package "safe::$_"
2448	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);
2449		3900
2450	warn "unloading cf.pm \"a bit\"";	3901	warn "unloading cf.pm \"a bit\"";
2451	delete $INC{"cf.pm"};	3902	delete $INC{"cf.pm"};
		3903	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2452		3904
2453	# don't, removes xs symbols, too,	3905	# don't, removes xs symbols, too,
2454	# and global variables created in xs	3906	# and global variables created in xs
2455	#Symbol::delete_package __PACKAGE__;	3907	#clear_package __PACKAGE__;
2456		3908
2457	warn "unload completed, starting to reload now";	3909	warn "unload completed, starting to reload now";
2458		3910
2459	warn "reloading cf.pm";	3911	warn "reloading cf.pm";
2460	require cf;	3912	require cf;
2461	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3913	cf::_connect_to_perl_1;
2462		3914
2463	warn "loading config and database again";	3915	warn "loading config and database again";
2464	cf::cfg_load;	3916	cf::reload_config;
2465	cf::db_load;
2466		3917
2467	warn "loading extensions";	3918	warn "loading extensions";
2468	cf::load_extensions;	3919	cf::load_extensions;
2469		3920
		3921	if ($REATTACH_ON_RELOAD) {
2470	warn "reattaching attachments to objects/players";	3922	warn "reattaching attachments to objects/players";
2471	_global_reattach;	3923	_global_reattach; # objects, sockets
2472	warn "reattaching attachments to maps";	3924	warn "reattaching attachments to maps";
2473	reattach $_ for values %MAP;	3925	reattach $_ for values %MAP;
		3926	warn "reattaching attachments to players";
		3927	reattach $_ for values %PLAYER;
		3928	}
2474		3929
2475	warn "loading reloadable resources";	3930	warn "running post_init jobs";
2476	load_resources;	3931	(pop @POST_INIT)->(1) while @POST_INIT;
2477		3932
2478	warn "restarting server ticker";	3933	warn "leaving sync_job";
2479		3934
2480	$TICK_WATCHER->start;	3935	1
		3936	} or do {
		3937	warn $@;
		3938	cf::cleanup "error while reloading, exiting.";
		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	};
2481	};	3962	};
2482		3963	}
2483	if ($@) {
2484	warn $@;
2485	warn "error while reloading, exiting.";
2486	exit 1;
2487	}
2488
2489	warn "reloaded";
2490	};
2491
2492	our $RELOAD_WATCHER; # used only during reload
2493		3964
2494	register_command "reload" => sub {	3965	register_command "reload" => sub {
2495	my ($who, $arg) = @_;	3966	my ($who, $arg) = @_;
2496		3967
2497	if ($who->flag (FLAG_WIZ)) {	3968	if ($who->flag (FLAG_WIZ)) {
2498	$who->message ("reloading server.");	3969	$who->message ("reloading server.");
2499		3970	async {
2500	# doing reload synchronously and two reloads happen back-to-back,	3971	$Coro::current->{desc} = "perl_reload";
2501	# coro crashes during coro_state_free->destroy here.
2502
2503	$RELOAD_WATCHER ||= Event->timer (
2504	reentrant => 0,
2505	after => 0,
2506	data => WF_AUTOCANCEL,
2507	cb => sub {
2508	reload;	3972	reload_perl;
2509	undef $RELOAD_WATCHER;
2510	},
2511	);	3973	};
2512	}	3974	}
2513	};	3975	};
2514		3976
2515	unshift @INC, $LIBDIR;	3977	unshift @INC, $LIBDIR;
2516		3978
2517	my $bug_warning = 0;	3979	my $bug_warning = 0;
2518		3980
2519	$TICK_WATCHER = Event->timer (	3981	our @WAIT_FOR_TICK;
2520	reentrant => 0,	3982	our @WAIT_FOR_TICK_BEGIN;
2521	parked => 1,	3983
2522	prio => 0,	3984	sub wait_for_tick {
2523	at => $NEXT_TICK || $TICK,	3985	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2524	data => WF_AUTOCANCEL,	3986
2525	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 {
2526	if ($Coro::current != $Coro::main) {	4001	if ($Coro::current != $Coro::main) {
2527	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"
2528	unless ++$bug_warning > 10;	4003	unless ++$bug_warning > 10;
2529	return;	4004	return;
2530	}	4005	}
2531		4006
2532	$NOW = Event::time;
2533
2534	cf::server_tick; # one server iteration	4007	cf::server_tick; # one server iteration
2535	$RUNTIME += $TICK;
2536	$NEXT_TICK += $TICK;
2537		4008
2538	$WAIT_FOR_TICK->broadcast;	4009	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2539	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2540		4010
2541	Event::sweep;	4011	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2542	Coro::cede_notself;	4012	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2543		4013	Coro::async_pool {
2544	# my $AFTER = Event::time;	4014	$Coro::current->{desc} = "runtime saver";
2545	# warn $AFTER - $NOW;#d#
2546
2547	# if we are delayed by four ticks or more, skip them all
2548	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2549
2550	$TICK_WATCHER->at ($NEXT_TICK);
2551	$TICK_WATCHER->start;
2552	},
2553	);
2554
2555	IO::AIO::max_poll_time $TICK * 0.1;
2556
2557	undef $Coro::AIO::WATCHER;
2558	$AIO_POLL_WATCHER = Event->io (
2559	reentrant => 0,
2560	fd => IO::AIO::poll_fileno,
2561	poll => 'r',
2562	prio => 6,
2563	data => WF_AUTOCANCEL,
2564	cb => \&IO::AIO::poll_cb,
2565	);
2566
2567	$WRITE_RUNTIME_WATCHER = Event->timer (
2568	reentrant => 0,
2569	data => WF_AUTOCANCEL,
2570	after => 1,
2571	interval => 10,
2572	prio => 6, # keep it lowest so it acts like a watchdog
2573	cb => Coro::unblock_sub {
2574	write_runtime	4015	write_runtime_sync
2575	or warn "ERROR: unable to write runtime file: $!";	4016	or warn "ERROR: unable to write runtime file: $!";
		4017	};
2576	},	4018	}
2577	);	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	}
		4038
		4039	{
		4040	# configure BDB
		4041
		4042	BDB::min_parallel 16;
		4043	BDB::max_poll_reqs $TICK * 0.1;
		4044	$AnyEvent::BDB::WATCHER->priority (1);
		4045
		4046	unless ($DB_ENV) {
		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);
		4053
		4054	cf::sync_job {
		4055	eval {
		4056	BDB::db_env_open
		4057	$DB_ENV,
		4058	$BDBDIR,
		4059	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4060	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4061	0666;
		4062
		4063	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4064	};
		4065
		4066	cf::cleanup "db_env_open(db): $@" if $@;
		4067	};
		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	};
		4079	}
		4080
		4081	{
		4082	# configure IO::AIO
		4083
		4084	IO::AIO::min_parallel 8;
		4085	IO::AIO::max_poll_time $TICK * 0.1;
		4086	undef $AnyEvent::AIO::WATCHER;
		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;
2578		4134
2579	END { cf::emergency_save }	4135	END { cf::emergency_save }
2580		4136
2581	1	4137	1
2582		4138

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