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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.211 by root, Tue Feb 13 16:23:32 2007 UTC vs.
Revision 1.425 by root, Mon Apr 21 06:35:26 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your 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 GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV 3.2;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
12		35
13	use Coro 3.5 ();	36	use Coro 4.50 ();
		37	use Coro::State;
		38	use Coro::Handle;
14	use Coro::Event;	39	use Coro::EV;
15	use Coro::Timer;	40	use Coro::Timer;
16	use Coro::Signal;	41	use Coro::Signal;
17	use Coro::Semaphore;	42	use Coro::Semaphore;
18	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
		45	use Coro::Storable;
		46	use Coro::Util ();
19		47
		48	use JSON::XS 2.01 ();
20	use BDB ();	49	use BDB ();
21	use Data::Dumper;	50	use Data::Dumper;
22	use Digest::MD5;	51	use Digest::MD5;
23	use Fcntl;	52	use Fcntl;
		53	use YAML ();
24	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
25	use YAML::Syck ();
26	use Time::HiRes;	55	use Time::HiRes;
27	use Compress::LZF;	56	use Compress::LZF;
		57	use Digest::MD5 ();
28		58
		59	# configure various modules to our taste
		60	#
		61	$Storable::canonical = 1; # reduce rsync transfers
		62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		64
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		66
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		68
40	our %COMMAND = ();	69	our %COMMAND = ();
41	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
42		71
43	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
47		77
		78	our $RELOAD; # number of reloads so far
48	our @EVENT;	79	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		80
51	our $TICK = MAX_TIME * 1e-6;	81	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	82	our $DATADIR = datadir;
		83	our $LIBDIR = "$DATADIR/ext";
		84	our $PODDIR = "$DATADIR/pod";
		85	our $MAPDIR = "$DATADIR/" . mapdir;
		86	our $LOCALDIR = localdir;
		87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		90	our $RANDOMDIR = "$LOCALDIR/random";
		91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
		93
		94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
53	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
54	our $WRITE_RUNTIME_WATCHER;	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	97	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		99
59	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	104	our $DB_ENV;
61		105
62	our %CFG;	106	our %CFG;
63		107
64	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
66		111
67	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		115
76	# used to convert map paths into valid unix filenames by replacing / by ∕	116	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		118
		119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
		122	our $TICK_START; # for load detecting purposes
		123
79	binmode STDOUT;	124	binmode STDOUT;
80	binmode STDERR;	125	binmode STDERR;
81		126
82	# read virtual server time, if available	127	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
87	}	132	}
88		133
89	mkdir cf::localdir;	134	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		136
96	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
97		138
98	sub cf::map::normalise;	139	sub cf::map::normalise;
99		140
…		…
110	=item $cf::RUNTIME	151	=item $cf::RUNTIME
111		152
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	153	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	154	every server tick.
114		155
115	=item $cf::LIBDIR	156	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		157	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		158	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		159
117	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	161	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		162	unique-items directory, player file directory, random maps directory and
		163	database environment.
119		164
120	=item $cf::NOW	165	=item $cf::NOW
121		166
122	The time of the last (current) server tick.	167	The time of the last (current) server tick.
123		168
124	=item $cf::TICK	169	=item $cf::TICK
125		170
126	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
127		172
		173	=item $cf::LOADAVG
		174
		175	The current CPU load on the server (alpha-smoothed), as a value between 0
		176	(none) and 1 (overloaded), indicating how much time is spent on processing
		177	objects per tick. Healthy values are < 0.5.
		178
		179	=item $cf::LOAD
		180
		181	The raw value load value from the last tick.
		182
128	=item %cf::CFG	183	=item %cf::CFG
129		184
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	186	from wherever your confdir points to.
132		187
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		189
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	191	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	193
		194	=item @cf::INVOKE_RESULTS
		195
		196	This array contains the results of the last C<invoke ()> call. When
		197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		198	that call.
139		199
140	=back	200	=back
141		201
142	=cut	202	=cut
143		203
144	BEGIN {	204	BEGIN {
145	*CORE::GLOBAL::warn = sub {	205	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	206	my $msg = join "", @_;
147	utf8::encode $msg;
148		207
149	$msg .= "\n"	208	$msg .= "\n"
150	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
151		210
		211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		212
152	LOG llevError, $msg;	213	LOG llevError, $msg;
153	};	214	};
154	}	215	}
		216
		217	$Coro::State::DIEHOOK = sub {
		218	return unless $^S eq 0; # "eq", not "=="
		219
		220	if ($Coro::current == $Coro::main) {#d#
		221	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		222	return;#d#
		223	}#d#
		224
		225	# kill coroutine otherwise
		226	warn Carp::longmess $_[0];
		227	Coro::terminate
		228	};
		229
		230	$SIG{__DIE__} = sub { }; #d#?
155		231
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	236	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		237	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	238	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		239
163	# we bless all objects into (empty) derived classes to force a method lookup	240	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	241	# within the Safe compartment.
165	for my $pkg (qw(	242	for my $pkg (qw(
166	cf::global cf::attachable	243	cf::global cf::attachable
…		…
171	)) {	248	)) {
172	no strict 'refs';	249	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	251	}
175		252
176	$Event::DIED = sub {	253	$EV::DIED = sub {
177	warn "error in event callback: @_";	254	warn "error in event callback: @_";
178	};	255	};
		256
		257	#############################################################################
179		258
180	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
181		260
182	=over 4	261	=over 4
183		262
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	282	$d
204	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
205	}	284	}
206		285
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
210		287
211	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
212		289
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
221		291
222	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
223		293
224	=cut	294	=cut
225		295
226	sub to_json($) {	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	297
228	JSON::Syck::Dump $_[0]	298	sub encode_json($) { $json_coder->encode ($_[0]) }
229	}	299	sub decode_json($) { $json_coder->decode ($_[0]) }
230		300
231	=item cf::lock_wait $string	301	=item cf::lock_wait $string
232		302
233	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
234		304
…		…
237	Wait until the given lock is available and then acquires it and returns	307	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
240	returned.	310	returned.
241		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
242	Lock names should begin with a unique identifier (for example, cf::map::find	315	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
244		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
245	=cut	322	=cut
246		323
247	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
248		326
249	sub lock_wait($) {	327	sub lock_wait($) {
250	my ($key) = @_;	328	my ($key) = @_;
		329
		330	if ($LOCKER{$key} == $Coro::current) {#d#
		331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		332	return;#d#
		333	}#d#
251		334
252	# wait for lock, if any	335	# wait for lock, if any
253	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	338	Coro::schedule;
…		…
261		344
262	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
263	lock_wait $key;	346	lock_wait $key;
264		347
265	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
266		350
267	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
270	}	355	}
271	}	356	}
272		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
273	sub freeze_mainloop {	364	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
275		366
276	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
277	$TICK_WATCHER->start;	368	}
278	$WRITE_RUNTIME_WATCHER->start;	369
		370	=item cf::periodic $interval, $cb
		371
		372	Like EV::periodic, but randomly selects a starting point so that the actions
		373	get spread over timer.
		374
		375	=cut
		376
		377	sub periodic($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
279	};	428	}
280	$WRITE_RUNTIME_WATCHER->stop;	429	};
281	$TICK_WATCHER->stop;	430
282	$guard	431	sub get_slot($;$$) {
		432	return if tick_inhibit || $Coro::current == $Coro::main;
		433
		434	my ($time, $pri, $name) = @_;
		435
		436	$time = $TICK * .6 if $time > $TICK * .6;
		437	my $sig = new Coro::Signal;
		438
		439	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		440	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		441	$SLOT_QUEUE->ready;
		442	$sig->wait;
283	}	443	}
284		444
285	=item cf::async { BLOCK }	445	=item cf::async { BLOCK }
286		446
287	Currently the same as Coro::async_pool, meaning you cannot use	447	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		452
293	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
294		454
295	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
296		456
297	The design of crossfire+ requires that the main coro ($Coro::main) is	457	The design of Deliantra requires that the main coroutine ($Coro::main)
298	always able to handle events or runnable, as crossfire+ is only partly	458	is always able to handle events or runnable, as Deliantra is only
299	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	459	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		460	acceptable.
300		461
301	If it must be done, put the blocking parts into C<sync_job>. This will run	462	If it must be done, put the blocking parts into C<sync_job>. This will run
302	the given BLOCK in another coroutine while waiting for the result. The	463	the given BLOCK in another coroutine while waiting for the result. The
303	server will be frozen during this time, so the block should either finish	464	server will be frozen during this time, so the block should either finish
304	fast or be very important.	465	fast or be very important.
…		…
307		468
308	sub sync_job(&) {	469	sub sync_job(&) {
309	my ($job) = @_;	470	my ($job) = @_;
310		471
311	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
		473	my $time = EV::time;
		474
312	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
314		477
315	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
316	# (but this is cancel-safe)	479
317	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
318		481
319	my $busy = 1;	482	my $busy = 1;
320	my @res;	483	my @res;
321		484
322	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
323	@res = eval { $job->() };	487	@res = eval { $job->() };
324	warn $@ if $@;	488	warn $@ if $@;
325	undef $busy;	489	undef $busy;
326	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
327		491
328	while ($busy) {	492	while ($busy) {
329	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
330	}	497	}
		498	}
		499
		500	my $time = EV::time - $time;
		501
		502	$TICK_START += $time; # do not account sync jobs to server load
331		503
332	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
333	} else {	505	} else {
334	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
335		507
…		…
355	$EXT_CORO{$coro+0} = $coro;	527	$EXT_CORO{$coro+0} = $coro;
356		528
357	$coro	529	$coro
358	}	530	}
359		531
360	sub write_runtime {	532	=item fork_call { }, $args
361	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
362		533
363	my $runtime = cf::localdir . "/runtime";	534	Executes the given code block with the given arguments in a seperate
		535	process, returning the results. Everything must be serialisable with
		536	Coro::Storable. May, of course, block. Note that the executed sub may
		537	never block itself or use any form of event handling.
364		538
365	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	539	=cut
366	or return;
367		540
368	my $value = $cf::RUNTIME + 90 + 10;	541	sub fork_call(&@) {
369	# 10 is the runtime save interval, for a monotonic clock	542	my ($cb, @args) = @_;
370	# 60 allows for the watchdog to kill the server.
371		543
372	(aio_write $fh, 0, (length $value), $value, 0) <= 0	544	# we seemingly have to make a local copy of the whole thing,
373	and return;	545	# otherwise perl prematurely frees the stuff :/
		546	# TODO: investigate and fix (likely this will be rather laborious)
374		547
375	# always fsync - this file is important	548	my @res = Coro::Util::fork_eval {
376	aio_fsync $fh	549	reset_signals;
377	and return;	550	&$cb
		551	}, @args;
378		552
379	close $fh	553	wantarray ? @res : $res[-1]
380	or return;	554	}
381		555
382	aio_rename "$runtime~", $runtime	556	=item $coin = coin_from_name $name
383	and return;
384		557
		558	=cut
		559
		560	our %coin_alias = (
		561	"silver" => "silvercoin",
		562	"silvercoin" => "silvercoin",
		563	"silvercoins" => "silvercoin",
		564	"gold" => "goldcoin",
		565	"goldcoin" => "goldcoin",
		566	"goldcoins" => "goldcoin",
		567	"platinum" => "platinacoin",
		568	"platinumcoin" => "platinacoin",
		569	"platinumcoins" => "platinacoin",
		570	"platina" => "platinacoin",
		571	"platinacoin" => "platinacoin",
		572	"platinacoins" => "platinacoin",
		573	"royalty" => "royalty",
		574	"royalties" => "royalty",
		575	);
		576
		577	sub coin_from_name($) {
		578	$coin_alias{$_[0]}
		579	? cf::arch::find $coin_alias{$_[0]}
		580	: undef
		581	}
		582
		583	=item $value = cf::db_get $family => $key
		584
		585	Returns a single value from the environment database.
		586
		587	=item cf::db_put $family => $key => $value
		588
		589	Stores the given C<$value> in the family. It can currently store binary
		590	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		591
		592	=item $db = cf::db_table "name"
		593
		594	Create and/or open a new database table. The string must not be "db" and must be unique
		595	within each server.
		596
		597	=cut
		598
		599	sub db_table($) {
		600	my ($name) = @_;
		601	my $db = BDB::db_create $DB_ENV;
		602
		603	eval {
		604	$db->set_flags (BDB::CHKSUM);
		605
		606	utf8::encode $name;
		607	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		608	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		609	cf::cleanup "db_open(db): $!" if $!;
		610	};
		611	cf::cleanup "db_open(db): $@" if $@;
		612
		613	$db
		614	}
		615
		616	our $DB;
		617
		618	sub db_init {
		619	cf::sync_job {
		620	$DB ||= db_table "db";
		621	};
		622	}
		623
		624	sub db_get($$) {
		625	my $key = "$_[0]/$_[1]";
		626
		627	cf::sync_job {
		628	BDB::db_get $DB, undef, $key, my $data;
		629
		630	$! ? ()
		631	: $data
385	1	632	}
		633	}
		634
		635	sub db_put($$$) {
		636	BDB::dbreq_pri 4;
		637	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		638	}
		639
		640	=item cf::cache $id => [$paths...], $processversion => $process
		641
		642	Generic caching function that returns the value of the resource $id,
		643	caching and regenerating as required.
		644
		645	This function can block.
		646
		647	=cut
		648
		649	sub cache {
		650	my ($id, $src, $processversion, $process) = @_;
		651
		652	my $meta =
		653	join "\x00",
		654	$processversion,
		655	map {
		656	aio_stat $_
		657	and Carp::croak "$_: $!";
		658
		659	($_, (stat _)[7,9])
		660	} @$src;
		661
		662	my $dbmeta = db_get cache => "$id/meta";
		663	if ($dbmeta ne $meta) {
		664	# changed, we may need to process
		665
		666	my @data;
		667	my $md5;
		668
		669	for (0 .. $#$src) {
		670	0 <= aio_load $src->[$_], $data[$_]
		671	or Carp::croak "$src->[$_]: $!";
		672	}
		673
		674	# if processing is expensive, check
		675	# checksum first
		676	if (1) {
		677	$md5 =
		678	join "\x00",
		679	$processversion,
		680	map {
		681	cf::cede_to_tick;
		682	($src->[$_], Digest::MD5::md5_hex $data[$_])
		683	} 0.. $#$src;
		684
		685
		686	my $dbmd5 = db_get cache => "$id/md5";
		687	if ($dbmd5 eq $md5) {
		688	db_put cache => "$id/meta", $meta;
		689
		690	return db_get cache => "$id/data";
		691	}
		692	}
		693
		694	my $t1 = Time::HiRes::time;
		695	my $data = $process->(\@data);
		696	my $t2 = Time::HiRes::time;
		697
		698	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		699
		700	db_put cache => "$id/data", $data;
		701	db_put cache => "$id/md5" , $md5;
		702	db_put cache => "$id/meta", $meta;
		703
		704	return $data;
		705	}
		706
		707	db_get cache => "$id/data"
		708	}
		709
		710	=item cf::datalog type => key => value, ...
		711
		712	Log a datalog packet of the given type with the given key-value pairs.
		713
		714	=cut
		715
		716	sub datalog($@) {
		717	my ($type, %kv) = @_;
		718	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
386	}	719	}
387		720
388	=back	721	=back
389		722
390	=cut	723	=cut
…		…
397	attach callbacks/event handlers (a collection of which is called an "attachment")	730	attach callbacks/event handlers (a collection of which is called an "attachment")
398	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
399		732
400	In the following description, CLASS can be any of C<global>, C<object>	733	In the following description, CLASS can be any of C<global>, C<object>
401	C<player>, C<client> or C<map> (i.e. the attachable objects in	734	C<player>, C<client> or C<map> (i.e. the attachable objects in
402	crossfire+).	735	Deliantra).
403		736
404	=over 4	737	=over 4
405		738
406	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
407		740
…		…
570	$registry = $CB_TYPE[$object_type] ||= [];	903	$registry = $CB_TYPE[$object_type] ||= [];
571		904
572	} elsif ($type eq "subtype") {	905	} elsif ($type eq "subtype") {
573	defined $object_type or Carp::croak "subtype specified without type";	906	defined $object_type or Carp::croak "subtype specified without type";
574	my $object_subtype = shift @arg;	907	my $object_subtype = shift @arg;
575	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	908	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
576		909
577	} elsif ($type eq "package") {	910	} elsif ($type eq "package") {
578	my $pkg = shift @arg;	911	my $pkg = shift @arg;
579		912
580	while (my ($name, $id) = each %cb_id) {	913	while (my ($name, $id) = each %cb_id) {
…		…
609	_attach $registry, $klass, @attach;	942	_attach $registry, $klass, @attach;
610	}	943	}
611		944
612	$obj->{$name} = \%arg;	945	$obj->{$name} = \%arg;
613	} else {	946	} else {
614	warn "object uses attachment '$name' that is not available, postponing.\n";	947	warn "object uses attachment '$name' which is not available, postponing.\n";
615	}	948	}
616		949
617	$obj->{_attachment}{$name} = undef;	950	$obj->{_attachment}{$name} = undef;
618	}	951	}
619		952
…		…
621	if (ref $_[0]) {	954	if (ref $_[0]) {
622	_object_attach @_;	955	_object_attach @_;
623	} else {	956	} else {
624	_attach shift->_attach_registry, @_;	957	_attach shift->_attach_registry, @_;
625	}	958	}
		959	_recalc_want;
626	};	960	};
627		961
628	# all those should be optimised	962	# all those should be optimised
629	sub cf::attachable::detach {	963	sub cf::attachable::detach {
630	my ($obj, $name) = @_;	964	my ($obj, $name) = @_;
…		…
633	delete $obj->{_attachment}{$name};	967	delete $obj->{_attachment}{$name};
634	reattach ($obj);	968	reattach ($obj);
635	} else {	969	} else {
636	Carp::croak "cannot, currently, detach class attachments";	970	Carp::croak "cannot, currently, detach class attachments";
637	}	971	}
		972	_recalc_want;
638	};	973	};
639		974
640	sub cf::attachable::attached {	975	sub cf::attachable::attached {
641	my ($obj, $name) = @_;	976	my ($obj, $name) = @_;
642		977
…		…
657	";	992	";
658	die if $@;	993	die if $@;
659	}	994	}
660		995
661	our $override;	996	our $override;
662	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	997	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
663		998
664	sub override {	999	sub override {
665	$override = 1;	1000	$override = 1;
666	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
667	}	1002	}
668		1003
669	sub do_invoke {	1004	sub do_invoke {
670	my $event = shift;	1005	my $event = shift;
671	my $callbacks = shift;	1006	my $callbacks = shift;
672		1007
673	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
674		1009
675	local $override;	1010	local $override;
676		1011
677	for (@$callbacks) {	1012	for (@$callbacks) {
678	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
687	}	1022	}
688		1023
689	0	1024	0
690	}	1025	}
691		1026
692	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
693		1028
694	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
695		1030
696	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
697		1032
698	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1033	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
699	removed in future versions), and there is no public API to access override	1034	removed in future versions), and there is no public API to access override
700	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
701		1036
702	=back	1037	=back
703		1038
704	=cut	1039	=cut
705		1040
706	#############################################################################	1041	#############################################################################
707	# object support	1042	# object support
		1043
		1044	sub _object_equal($$);
		1045	sub _object_equal($$) {
		1046	my ($a, $b) = @_;
		1047
		1048	return 0 unless (ref $a) eq (ref $b);
		1049
		1050	if ("HASH" eq ref $a) {
		1051	my @ka = keys %$a;
		1052	my @kb = keys %$b;
		1053
		1054	return 0 if @ka != @kb;
		1055
		1056	for (0 .. $#ka) {
		1057	return 0 unless $ka[$_] eq $kb[$_];
		1058	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1059	}
		1060
		1061	} elsif ("ARRAY" eq ref $a) {
		1062
		1063	return 0 if @$a != @$b;
		1064
		1065	for (0 .. $#$a) {
		1066	return 0 unless _object_equal $a->[$_], $b->[$_];
		1067	}
		1068
		1069	} elsif ($a ne $b) {
		1070	return 0;
		1071	}
		1072
		1073	1
		1074	}
		1075
		1076	our $SLOW_MERGES;#d#
		1077	sub _can_merge {
		1078	my ($ob1, $ob2) = @_;
		1079
		1080	++$SLOW_MERGES;#d#
		1081
		1082	# we do the slow way here
		1083	return _object_equal $ob1, $ob2
		1084	}
708		1085
709	sub reattach {	1086	sub reattach {
710	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
711	my ($obj) = @_;	1088	my ($obj) = @_;
712		1089
…		…
733	cf::attachable->attach (	1110	cf::attachable->attach (
734	prio => -1000000,	1111	prio => -1000000,
735	on_instantiate => sub {	1112	on_instantiate => sub {
736	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
737		1114
738	$data = from_json $data;	1115	$data = decode_json $data;
739		1116
740	for (@$data) {	1117	for (@$data) {
741	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
742		1119
743	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
759	sub object_freezer_save {	1136	sub object_freezer_save {
760	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
761		1138
762	sync_job {	1139	sync_job {
763	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
764	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
765	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
766		1144
767	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
768	chmod SAVE_MODE, $fh;	1146	chmod SAVE_MODE, $fh;
769	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
770	aio_fsync $fh if $cf::USE_FSYNC;	1148	aio_fsync $fh if $cf::USE_FSYNC;
771	close $fh;	1149	close $fh;
772		1150
773	if (@$objs) {	1151	if (@$objs) {
774	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
775	chmod SAVE_MODE, $fh;	1153	chmod SAVE_MODE, $fh;
776	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
777	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
778	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
779	close $fh;	1157	close $fh;
780	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
781	}	1159	}
…		…
789	}	1167	}
790	} else {	1168	} else {
791	aio_unlink $filename;	1169	aio_unlink $filename;
792	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
793	}	1171	}
794
795	#d##TODO# nuke non .map-files if exist
796	if ($filename =~ s/\.map$//) {
797	aio_unlink $filename;
798	aio_unlink "$filename.pst";
799	}
800	}	1172	};
801	}	1173	}
802		1174
803	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
804	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
805		1177
…		…
810		1182
811	sub object_thawer_load {	1183	sub object_thawer_load {
812	my ($filename) = @_;	1184	my ($filename) = @_;
813		1185
814	my ($data, $av);	1186	my ($data, $av);
815
816	#d#TODO remove .map if file does not exist
817	aio_stat $filename and $filename =~ s/\.map$//;
818		1187
819	(aio_load $filename, $data) >= 0	1188	(aio_load $filename, $data) >= 0
820	or return;	1189	or return;
821		1190
822	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
823	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
824	or return;	1193	or return;
		1194
825	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
826	}	1197	}
827		1198
		1199	utf8::decode (my $decname = $filename);
828	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
829	$filename, length $data, scalar @{$av || []};#d#	1201	$decname, length $data, scalar @{$av || []};
		1202
830	return ($data, $av);	1203	($data, $av)
831	}	1204	}
		1205
		1206	=head2 COMMAND CALLBACKS
		1207
		1208	=over 4
		1209
		1210	=cut
832		1211
833	#############################################################################	1212	#############################################################################
834	# command handling &c	1213	# command handling &c
835		1214
836	=item cf::register_command $name => \&callback($ob,$args);	1215	=item cf::register_command $name => \&callback($ob,$args);
…		…
849	push @{ $COMMAND{$name} }, [$caller, $cb];	1228	push @{ $COMMAND{$name} }, [$caller, $cb];
850	}	1229	}
851		1230
852	=item cf::register_extcmd $name => \&callback($pl,$packet);	1231	=item cf::register_extcmd $name => \&callback($pl,$packet);
853		1232
854	Register a callbackf ro execution when the client sends an extcmd packet.	1233	Register a callback for execution when the client sends an (synchronous)
		1234	extcmd packet. Ext commands will be processed in the order they are
		1235	received by the server, like other user commands. The first argument is
		1236	the logged-in player. Ext commands can only be processed after a player
		1237	has logged in successfully.
855		1238
856	If the callback returns something, it is sent back as if reply was being	1239	If the callback returns something, it is sent back as if reply was being
857	called.	1240	called.
858		1241
		1242	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1243
		1244	Register a callback for execution when the client sends an (asynchronous)
		1245	exticmd packet. Exti commands are processed by the server as soon as they
		1246	are received, i.e. out of order w.r.t. other commands. The first argument
		1247	is a client socket. Exti commands can be received anytime, even before
		1248	log-in.
		1249
		1250	If the callback returns something, it is sent back as if reply was being
		1251	called.
		1252
859	=cut	1253	=cut
860		1254
861	sub register_extcmd {	1255	sub register_extcmd {
862	my ($name, $cb) = @_;	1256	my ($name, $cb) = @_;
863		1257
864	$EXTCMD{$name} = $cb;	1258	$EXTCMD{$name} = $cb;
		1259	}
		1260
		1261	sub register_exticmd {
		1262	my ($name, $cb) = @_;
		1263
		1264	$EXTICMD{$name} = $cb;
865	}	1265	}
866		1266
867	cf::player->attach (	1267	cf::player->attach (
868	on_command => sub {	1268	on_command => sub {
869	my ($pl, $name, $params) = @_;	1269	my ($pl, $name, $params) = @_;
…		…
878	cf::override;	1278	cf::override;
879	},	1279	},
880	on_extcmd => sub {	1280	on_extcmd => sub {
881	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
882		1282
883	my $msg = eval { from_json $buf };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
884		1284
885	if (ref $msg) {	1285	if (ref $msg) {
		1286	my ($type, $reply, @payload) =
		1287	"ARRAY" eq ref $msg
		1288	? @$msg
		1289	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1290
		1291	my @reply;
		1292
886	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
887	if (my %reply = $cb->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
888	$pl->ext_reply ($msg->{msgid}, %reply);
889	}
890	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
891	} else {	1300	} else {
892	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
893	}	1302	}
894		1303
895	cf::override;	1304	cf::override;
896	},	1305	},
897	);	1306	);
898		1307
899	sub load_extension {
900	my ($path) = @_;
901
902	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
903	my $base = $1;
904	my $pkg = $1;
905	$pkg =~ s/[^[:word:]]/_/g;
906	$pkg = "ext::$pkg";
907
908	warn "... loading '$path' into '$pkg'\n";
909
910	open my $fh, "<:utf8", $path
911	or die "$path: $!";
912
913	my $source =
914	"package $pkg; use strict; use utf8;\n"
915	. "#line 1 \"$path\"\n{\n"
916	. (do { local $/; <$fh> })
917	. "\n};\n1";
918
919	unless (eval $source) {
920	my $msg = $@ ? "$path: $@\n"
921	: "extension disabled.\n";
922	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
923	warn $@;
924	warn "mandatory extension failed to load, exiting.\n";
925	exit 1;
926	}
927	die $@;
928	}
929
930	push @EXTS, $pkg;
931	}
932
933	sub load_extensions {	1308	sub load_extensions {
		1309	cf::sync_job {
		1310	my %todo;
		1311
934	for my $ext (<$LIBDIR/*.ext>) {	1312	for my $path (<$LIBDIR/*.ext>) {
935	next unless -r $ext;	1313	next unless -r $path;
936	eval {	1314
937	load_extension $ext;	1315	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1316	my $base = $1;
		1317	my $pkg = $1;
		1318	$pkg =~ s/[^[:word:]]/_/g;
		1319	$pkg = "ext::$pkg";
		1320
		1321	open my $fh, "<:utf8", $path
		1322	or die "$path: $!";
		1323
		1324	my $source = do { local $/; <$fh> };
		1325
		1326	my %ext = (
		1327	path => $path,
		1328	base => $base,
		1329	pkg => $pkg,
		1330	);
		1331
		1332	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1333	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1334
		1335	$ext{source} =
		1336	"package $pkg; use strict; use utf8;\n"
		1337	. "#line 1 \"$path\"\n{\n"
		1338	. $source
		1339	. "\n};\n1";
		1340
		1341	$todo{$base} = \%ext;
		1342	}
		1343
		1344	my %done;
		1345	while (%todo) {
		1346	my $progress;
		1347
		1348	while (my ($k, $v) = each %todo) {
		1349	for (split /,\s*/, $v->{meta}{depends}) {
		1350	goto skip
		1351	unless exists $done{$_};
		1352	}
		1353
		1354	warn "... loading '$k' into '$v->{pkg}'\n";
		1355
		1356	unless (eval $v->{source}) {
		1357	my $msg = $@ ? "$v->{path}: $@\n"
		1358	: "$v->{base}: extension inactive.\n";
		1359
		1360	if (exists $v->{meta}{mandatory}) {
		1361	warn $msg;
		1362	cf::cleanup "mandatory extension failed to load, exiting.";
		1363	}
		1364
		1365	warn $msg;
		1366	}
		1367
		1368	$done{$k} = delete $todo{$k};
		1369	push @EXTS, $v->{pkg};
		1370	$progress = 1;
938	1	1371	}
939	} or warn "$ext not loaded: $@";	1372
		1373	skip:
		1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1375	unless $progress;
		1376	}
940	}	1377	};
941	}	1378	}
942		1379
943	#############################################################################	1380	#############################################################################
944		1381
		1382	=back
		1383
945	=head2 CORE EXTENSIONS	1384	=head2 CORE EXTENSIONS
946		1385
947	Functions and methods that extend core crossfire objects.	1386	Functions and methods that extend core crossfire objects.
948		1387
949	=cut	1388	=cut
…		…
954		1393
955	=head3 cf::player	1394	=head3 cf::player
956		1395
957	=over 4	1396	=over 4
958		1397
		1398	=item cf::player::num_playing
		1399
		1400	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1401
		1402	=cut
		1403
		1404	sub num_playing {
		1405	scalar grep
		1406	$_->ob->map
		1407	&& !$_->hidden
		1408	&& !$_->ob->flag (cf::FLAG_WIZ),
		1409	cf::player::list
		1410	}
		1411
959	=item cf::player::find $login	1412	=item cf::player::find $login
960		1413
961	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
962		1415
963	=cut	1416	=cut
964		1417
965	sub playerdir($) {	1418	sub playerdir($) {
966	cf::localdir	1419	"$PLAYERDIR/"
967	. "/"
968	. cf::playerdir
969	. "/"
970	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1420	. (ref $_[0] ? $_[0]->ob->name : $_[0])
971	}	1421	}
972		1422
973	sub path($) {	1423	sub path($) {
974	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1424	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
975		1425
976	(playerdir $login) . "/$login.pl"	1426	(playerdir $login) . "/playerdata"
977	}	1427	}
978		1428
979	sub find_active($) {	1429	sub find_active($) {
980	$cf::PLAYER{$_[0]}	1430	$cf::PLAYER{$_[0]}
981	and $cf::PLAYER{$_[0]}->active	1431	and $cf::PLAYER{$_[0]}->active
…		…
994	my $login = $_[0];	1444	my $login = $_[0];
995		1445
996	my $guard = cf::lock_acquire "user_find:$login";	1446	my $guard = cf::lock_acquire "user_find:$login";
997		1447
998	$cf::PLAYER{$_[0]} || do {	1448	$cf::PLAYER{$_[0]} || do {
999	my $pl = load_pl path $login	1449	# rename old playerfiles to new ones
		1450	#TODO: remove when no longer required
		1451	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1452	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1453	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1454	aio_unlink +(playerdir $login) . "/$login.pl";
		1455
		1456	my $f = new_from_file cf::object::thawer path $login
1000	or return;	1457	or return;
		1458
		1459	my $pl = cf::player::load_pl $f
		1460	or return;
		1461	local $cf::PLAYER_LOADING{$login} = $pl;
		1462	$f->resolve_delayed_derefs;
1001	$cf::PLAYER{$login} = $pl	1463	$cf::PLAYER{$login} = $pl
1002	}	1464	}
1003	}	1465	}
1004	}	1466	}
1005		1467
…		…
1014	return if $pl->{deny_save};	1476	return if $pl->{deny_save};
1015		1477
1016	aio_mkdir playerdir $pl, 0770;	1478	aio_mkdir playerdir $pl, 0770;
1017	$pl->{last_save} = $cf::RUNTIME;	1479	$pl->{last_save} = $cf::RUNTIME;
1018		1480
		1481	cf::get_slot 0.01;
		1482
1019	$pl->save_pl ($path);	1483	$pl->save_pl ($path);
1020	Coro::cede;	1484	cf::cede_to_tick;
1021	}	1485	}
1022		1486
1023	sub new($) {	1487	sub new($) {
1024	my ($login) = @_;	1488	my ($login) = @_;
1025		1489
…		…
1031	$cf::PLAYER{$login} = $self;	1495	$cf::PLAYER{$login} = $self;
1032		1496
1033	$self	1497	$self
1034	}	1498	}
1035		1499
		1500	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1501
		1502	=cut
		1503
		1504	sub send_msg {
		1505	my $ns = shift->ns
		1506	or return;
		1507	$ns->send_msg (@_);
		1508	}
		1509
1036	=item $pl->quit_character	1510	=item $pl->quit_character
1037		1511
1038	Nukes the player without looking back. If logged in, the connection will	1512	Nukes the player without looking back. If logged in, the connection will
1039	be destroyed. May block for a long time.	1513	be destroyed. May block for a long time.
1040		1514
1041	=cut	1515	=cut
1042		1516
1043	sub quit_character {	1517	sub quit_character {
1044	my ($pl) = @_;	1518	my ($pl) = @_;
		1519
		1520	my $name = $pl->ob->name;
1045		1521
1046	$pl->{deny_save} = 1;	1522	$pl->{deny_save} = 1;
1047	$pl->password ("*"); # this should lock out the player until we nuked the dir	1523	$pl->password ("*"); # this should lock out the player until we nuked the dir
1048		1524
1049	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1525	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1054	my $path = playerdir $pl;	1530	my $path = playerdir $pl;
1055	my $temp = "$path~$cf::RUNTIME~deleting~";	1531	my $temp = "$path~$cf::RUNTIME~deleting~";
1056	aio_rename $path, $temp;	1532	aio_rename $path, $temp;
1057	delete $cf::PLAYER{$pl->ob->name};	1533	delete $cf::PLAYER{$pl->ob->name};
1058	$pl->destroy;	1534	$pl->destroy;
		1535
		1536	my $prefix = qr<^~\Q$name\E/>;
		1537
		1538	# nuke player maps
		1539	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1540
1059	IO::AIO::aio_rmtree $temp;	1541	IO::AIO::aio_rmtree $temp;
		1542	}
		1543
		1544	=item $pl->kick
		1545
		1546	Kicks a player out of the game. This destroys the connection.
		1547
		1548	=cut
		1549
		1550	sub kick {
		1551	my ($pl, $kicker) = @_;
		1552
		1553	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1554	$pl->killer ("kicked");
		1555	$pl->ns->destroy;
1060	}	1556	}
1061		1557
1062	=item cf::player::list_logins	1558	=item cf::player::list_logins
1063		1559
1064	Returns am arrayref of all valid playernames in the system, can take a	1560	Returns am arrayref of all valid playernames in the system, can take a
1065	while and may block, so not sync_job-capable, ever.	1561	while and may block, so not sync_job-capable, ever.
1066		1562
1067	=cut	1563	=cut
1068		1564
1069	sub list_logins {	1565	sub list_logins {
1070	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1566	my $dirs = aio_readdir $PLAYERDIR
1071	or return [];	1567	or return [];
1072		1568
1073	my @logins;	1569	my @logins;
1074		1570
1075	for my $login (@$dirs) {	1571	for my $login (@$dirs) {
		1572	my $path = path $login;
		1573
		1574	# a .pst is a dead give-away for a valid player
		1575	unless (-e "$path.pst") {
1076	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1576	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1077	aio_read $fh, 0, 512, my $buf, 0 or next;	1577	aio_read $fh, 0, 512, my $buf, 0 or next;
1078	$buf !~ /^password -------------$/m or next; # official not-valid tag	1578	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1579	}
1079		1580
1080	utf8::decode $login;	1581	utf8::decode $login;
1081	push @logins, $login;	1582	push @logins, $login;
1082	}	1583	}
1083		1584
…		…
1110	}	1611	}
1111		1612
1112	\@paths	1613	\@paths
1113	}	1614	}
1114		1615
		1616	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1617
		1618	Expand crossfire pod fragments into protocol xml.
		1619
		1620	=cut
		1621
		1622	use re 'eval';
		1623
		1624	my $group;
		1625	my $interior; $interior = qr{
		1626	# match a pod interior sequence sans C<< >>
		1627	(?:
		1628	\ (.*?)\ (?{ $group = $^N })
		1629	| < (??{$interior}) >
		1630	)
		1631	}x;
		1632
		1633	sub expand_cfpod {
		1634	my ($self, $pod) = @_;
		1635
		1636	my $xml;
		1637
		1638	while () {
		1639	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1640	$group = $1;
		1641
		1642	$group =~ s/&/&amp;/g;
		1643	$group =~ s/</&lt;/g;
		1644
		1645	$xml .= $group;
		1646	} elsif ($pod =~ m%\G
		1647	([BCGHITU])
		1648	<
		1649	(?:
		1650	([^<>]*) (?{ $group = $^N })
		1651	| < $interior >
		1652	)
		1653	>
		1654	%gcsx
		1655	) {
		1656	my ($code, $data) = ($1, $group);
		1657
		1658	if ($code eq "B") {
		1659	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1660	} elsif ($code eq "I") {
		1661	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1662	} elsif ($code eq "U") {
		1663	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1664	} elsif ($code eq "C") {
		1665	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1666	} elsif ($code eq "T") {
		1667	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1668	} elsif ($code eq "G") {
		1669	my ($male, $female) = split /\|/, $data;
		1670	$data = $self->gender ? $female : $male;
		1671	$xml .= expand_cfpod ($self, $data);
		1672	} elsif ($code eq "H") {
		1673	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1674	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1675	"")
		1676	[$self->{hintmode}];
		1677	} else {
		1678	$xml .= "error processing '$code($data)' directive";
		1679	}
		1680	} else {
		1681	if ($pod =~ /\G(.+)/) {
		1682	warn "parse error while expanding $pod (at $1)";
		1683	}
		1684	last;
		1685	}
		1686	}
		1687
		1688	for ($xml) {
		1689	# create single paragraphs (very hackish)
		1690	s/(?<=\S)\n(?=\w)/ /g;
		1691
		1692	# compress some whitespace
		1693	s/\s+\n/\n/g; # ws line-ends
		1694	s/\n\n+/\n/g; # double lines
		1695	s/^\n+//; # beginning lines
		1696	s/\n+$//; # ending lines
		1697	}
		1698
		1699	$xml
		1700	}
		1701
		1702	no re 'eval';
		1703
		1704	sub hintmode {
		1705	$_[0]{hintmode} = $_[1] if @_ > 1;
		1706	$_[0]{hintmode}
		1707	}
		1708
1115	=item $player->ext_reply ($msgid, $msgtype, %msg)	1709	=item $player->ext_reply ($msgid, @msg)
1116		1710
1117	Sends an ext reply to the player.	1711	Sends an ext reply to the player.
1118		1712
1119	=cut	1713	=cut
1120		1714
1121	sub ext_reply($$$%) {	1715	sub ext_reply($$@) {
1122	my ($self, $id, %msg) = @_;	1716	my ($self, $id, @msg) = @_;
1123		1717
1124	$msg{msgid} = $id;	1718	$self->ns->ext_reply ($id, @msg)
1125
1126	$self->send ("ext " . cf::to_json \%msg);
1127	}	1719	}
1128		1720
1129	package cf;	1721	=item $player->ext_msg ($type, @msg)
		1722
		1723	Sends an ext event to the client.
		1724
		1725	=cut
		1726
		1727	sub ext_msg($$@) {
		1728	my ($self, $type, @msg) = @_;
		1729
		1730	$self->ns->ext_msg ($type, @msg);
		1731	}
		1732
		1733	=head3 cf::region
		1734
		1735	=over 4
		1736
		1737	=cut
		1738
		1739	package cf::region;
		1740
		1741	=item cf::region::find_by_path $path
		1742
		1743	Tries to decuce the likely region for a map knowing only its path.
		1744
		1745	=cut
		1746
		1747	sub find_by_path($) {
		1748	my ($path) = @_;
		1749
		1750	my ($match, $specificity);
		1751
		1752	for my $region (list) {
		1753	if ($region->{match} && $path =~ $region->{match}) {
		1754	($match, $specificity) = ($region, $region->specificity)
		1755	if $region->specificity > $specificity;
		1756	}
		1757	}
		1758
		1759	$match
		1760	}
1130		1761
1131	=back	1762	=back
1132
1133		1763
1134	=head3 cf::map	1764	=head3 cf::map
1135		1765
1136	=over 4	1766	=over 4
1137		1767
…		…
1149	our $MAX_RESET = 3600;	1779	our $MAX_RESET = 3600;
1150	our $DEFAULT_RESET = 3000;	1780	our $DEFAULT_RESET = 3000;
1151		1781
1152	sub generate_random_map {	1782	sub generate_random_map {
1153	my ($self, $rmp) = @_;	1783	my ($self, $rmp) = @_;
		1784
		1785	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1786
1154	# mit "rum" bekleckern, nicht	1787	# mit "rum" bekleckern, nicht
1155	$self->_create_random_map (	1788	$self->_create_random_map (
1156	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1789	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1157	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1790	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1158	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1791	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1192	my ($self, $merge) = @_;	1825	my ($self, $merge) = @_;
1193		1826
1194	# we have to keep some variables in memory intact	1827	# we have to keep some variables in memory intact
1195	local $self->{path};	1828	local $self->{path};
1196	local $self->{load_path};	1829	local $self->{load_path};
1197	local $self->{deny_save};
1198	local $self->{deny_reset};
1199		1830
1200	$self->SUPER::thawer_merge ($merge);	1831	$self->SUPER::thawer_merge ($merge);
1201	}	1832	}
1202		1833
1203	sub normalise {	1834	sub normalise {
…		…
1250	$self->init; # pass $1 etc.	1881	$self->init; # pass $1 etc.
1251	return $self;	1882	return $self;
1252	}	1883	}
1253	}	1884	}
1254		1885
1255	Carp::carp "unable to resolve path '$path' (base '$base').";	1886	Carp::cluck "unable to resolve path '$path' (base '$base').";
1256	()	1887	()
1257	}	1888	}
1258		1889
1259	sub init {	1890	sub init {
1260	my ($self) = @_;	1891	my ($self) = @_;
…		…
1275		1906
1276	# the original (read-only) location	1907	# the original (read-only) location
1277	sub load_path {	1908	sub load_path {
1278	my ($self) = @_;	1909	my ($self) = @_;
1279		1910
1280	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1911	"$MAPDIR/$self->{path}.map"
1281	}	1912	}
1282		1913
1283	# the temporary/swap location	1914	# the temporary/swap location
1284	sub save_path {	1915	sub save_path {
1285	my ($self) = @_;	1916	my ($self) = @_;
1286		1917
1287	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1918	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1288	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1919	"$TMPDIR/$path.map"
1289	}	1920	}
1290		1921
1291	# the unique path, undef == no special unique path	1922	# the unique path, undef == no special unique path
1292	sub uniq_path {	1923	sub uniq_path {
1293	my ($self) = @_;	1924	my ($self) = @_;
1294		1925
1295	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1296	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1927	"$UNIQUEDIR/$path"
1297	}	1928	}
1298		1929
1299	# and all this just because we cannot iterate over	1930	# and all this just because we cannot iterate over
1300	# all maps in C++...	1931	# all maps in C++...
1301	sub change_all_map_light {	1932	sub change_all_map_light {
…		…
1303		1934
1304	$_->change_map_light ($change)	1935	$_->change_map_light ($change)
1305	for grep $_->outdoor, values %cf::MAP;	1936	for grep $_->outdoor, values %cf::MAP;
1306	}	1937	}
1307		1938
		1939	sub decay_objects {
		1940	my ($self) = @_;
		1941
		1942	return if $self->{deny_reset};
		1943
		1944	$self->do_decay_objects;
		1945	}
		1946
1308	sub unlink_save {	1947	sub unlink_save {
1309	my ($self) = @_;	1948	my ($self) = @_;
1310		1949
1311	utf8::encode (my $save = $self->save_path);	1950	utf8::encode (my $save = $self->save_path);
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1951	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1952	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1314
1315	#d#TODO remove .map and also nuke
1316	$save =~ s/\.map// or return;#d#
1317	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1318	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1319	}	1953	}
1320		1954
1321	sub load_header_from($) {	1955	sub load_header_from($) {
1322	my ($self, $path) = @_;	1956	my ($self, $path) = @_;
1323		1957
1324	utf8::encode $path;	1958	utf8::encode $path;
1325	#aio_open $path, O_RDONLY, 0	1959	my $f = new_from_file cf::object::thawer $path
1326	# or return;
1327
1328	$self->_load_header ($path)
1329	or return;	1960	or return;
		1961
		1962	$self->_load_header ($f)
		1963	or return;
		1964
		1965	local $MAP_LOADING{$self->{path}} = $self;
		1966	$f->resolve_delayed_derefs;
1330		1967
1331	$self->{load_path} = $path;	1968	$self->{load_path} = $path;
1332		1969
1333	1	1970	1
1334	}	1971	}
…		…
1373	$self->load_header_orig	2010	$self->load_header_orig
1374	or return;	2011	or return;
1375	$self->prepare_orig;	2012	$self->prepare_orig;
1376	}	2013	}
1377		2014
		2015	$self->{deny_reset} = 1
		2016	if $self->no_reset;
		2017
		2018	$self->default_region (cf::region::find_by_path $self->{path})
		2019	unless $self->default_region;
		2020
1378	1	2021	1
1379	}	2022	}
1380		2023
1381	sub find;	2024	sub find;
1382	sub find {	2025	sub find {
1383	my ($path, $origin) = @_;	2026	my ($path, $origin) = @_;
1384		2027
1385	$path = normalise $path, $origin && $origin->path;	2028	$path = normalise $path, $origin && $origin->path;
1386		2029
		2030	cf::lock_wait "map_data:$path";#d#remove
1387	cf::lock_wait "map_find:$path";	2031	cf::lock_wait "map_find:$path";
1388		2032
1389	$cf::MAP{$path} || do {	2033	$cf::MAP{$path} || do {
1390	my $guard = cf::lock_acquire "map_find:$path";	2034	my $guard1 = cf::lock_acquire "map_find:$path";
		2035	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2036
1391	my $map = new_from_path cf::map $path	2037	my $map = new_from_path cf::map $path
1392	or return;	2038	or return;
1393		2039
1394	$map->{last_save} = $cf::RUNTIME;	2040	$map->{last_save} = $cf::RUNTIME;
1395		2041
1396	$map->load_header	2042	$map->load_header
1397	or return;	2043	or return;
1398		2044
1399	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2045	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1400	# doing this can freeze the server in a sync job, obviously	2046	# doing this can freeze the server in a sync job, obviously
1401	#$cf::WAIT_FOR_TICK->wait;	2047	#$cf::WAIT_FOR_TICK->wait;
		2048	undef $guard1;
		2049	undef $guard2;
1402	$map->reset;	2050	$map->reset;
1403	undef $guard;
1404	return find $path;	2051	return find $path;
1405	}	2052	}
1406		2053
1407	$cf::MAP{$path} = $map	2054	$cf::MAP{$path} = $map
1408	}	2055	}
…		…
1415	my ($self) = @_;	2062	my ($self) = @_;
1416		2063
1417	local $self->{deny_reset} = 1; # loading can take a long time	2064	local $self->{deny_reset} = 1; # loading can take a long time
1418		2065
1419	my $path = $self->{path};	2066	my $path = $self->{path};
		2067
		2068	{
1420	my $guard = cf::lock_acquire "map_load:$path";	2069	my $guard = cf::lock_acquire "map_data:$path";
1421		2070
		2071	return unless $self->valid;
1422	return if $self->in_memory != cf::MAP_SWAPPED;	2072	return unless $self->in_memory == cf::MAP_SWAPPED;
1423		2073
1424	$self->in_memory (cf::MAP_LOADING);	2074	$self->in_memory (cf::MAP_LOADING);
1425		2075
1426	$self->alloc;	2076	$self->alloc;
1427		2077
1428	$self->pre_load;	2078	$self->pre_load;
		2079	cf::cede_to_tick;
1429		2080
1430	$self->_load_objects ($self->{load_path}, 1)	2081	my $f = new_from_file cf::object::thawer $self->{load_path};
		2082	$f->skip_block;
		2083	$self->_load_objects ($f)
1431	or return;	2084	or return;
1432		2085
1433	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2086	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1434	if delete $self->{load_original};	2087	if delete $self->{load_original};
1435		2088
1436	if (my $uniq = $self->uniq_path) {	2089	if (my $uniq = $self->uniq_path) {
1437	utf8::encode $uniq;	2090	utf8::encode $uniq;
1438	if (aio_open $uniq, O_RDONLY, 0) {	2091	unless (aio_stat $uniq) {
		2092	if (my $f = new_from_file cf::object::thawer $uniq) {
1439	$self->clear_unique_items;	2093	$self->clear_unique_items;
1440	$self->_load_objects ($uniq, 0);	2094	$self->_load_objects ($f);
		2095	$f->resolve_delayed_derefs;
		2096	}
1441	}	2097	}
1442	}	2098	}
1443		2099
1444	Coro::cede;	2100	$f->resolve_delayed_derefs;
1445		2101
		2102	cf::cede_to_tick;
1446	# now do the right thing for maps	2103	# now do the right thing for maps
1447	$self->link_multipart_objects;	2104	$self->link_multipart_objects;
1448
1449	unless ($self->{deny_activate}) {
1450	$self->decay_objects;
1451	$self->fix_auto_apply;
1452	$self->update_buttons;
1453	Coro::cede;
1454	$self->set_darkness_map;
1455	$self->difficulty ($self->estimate_difficulty)	2105	$self->difficulty ($self->estimate_difficulty)
1456	unless $self->difficulty;	2106	unless $self->difficulty;
1457	Coro::cede;	2107	cf::cede_to_tick;
		2108
		2109	unless ($self->{deny_activate}) {
		2110	$self->decay_objects;
		2111	$self->fix_auto_apply;
		2112	$self->update_buttons;
		2113	cf::cede_to_tick;
		2114	$self->set_darkness_map;
		2115	cf::cede_to_tick;
1458	$self->activate;	2116	$self->activate;
		2117	}
		2118
		2119	$self->{last_save} = $cf::RUNTIME;
		2120	$self->last_access ($cf::RUNTIME);
		2121
		2122	$self->in_memory (cf::MAP_ACTIVE);
1459	}	2123	}
1460		2124
1461	$self->post_load;	2125	$self->post_load;
1462
1463	$self->in_memory (cf::MAP_IN_MEMORY);
1464	}	2126	}
1465		2127
1466	sub customise_for {	2128	sub customise_for {
1467	my ($self, $ob) = @_;	2129	my ($self, $ob) = @_;
1468		2130
1469	return find "~" . $ob->name . "/" . $self->{path}	2131	return find "~" . $ob->name . "/" . $self->{path}
1470	if $self->per_player;	2132	if $self->per_player;
1471		2133
		2134	# return find "?party/" . $ob->name . "/" . $self->{path}
		2135	# if $self->per_party;
		2136
1472	$self	2137	$self
1473	}	2138	}
1474		2139
1475	# find and load all maps in the 3x3 area around a map	2140	# find and load all maps in the 3x3 area around a map
1476	sub load_diag {	2141	sub load_neighbours {
1477	my ($map) = @_;	2142	my ($map) = @_;
1478		2143
1479	my @diag; # diagonal neighbours	2144	my @neigh; # diagonal neighbours
1480		2145
1481	for (0 .. 3) {	2146	for (0 .. 3) {
1482	my $neigh = $map->tile_path ($_)	2147	my $neigh = $map->tile_path ($_)
1483	or next;	2148	or next;
1484	$neigh = find $neigh, $map	2149	$neigh = find $neigh, $map
1485	or next;	2150	or next;
1486	$neigh->load;	2151	$neigh->load;
1487		2152
		2153	push @neigh,
1488	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2154	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1489	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2155	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1490	}	2156	}
1491		2157
1492	for (@diag) {	2158	for (grep defined $_->[0], @neigh) {
		2159	my ($path, $origin) = @$_;
1493	my $neigh = find @$_	2160	my $neigh = find $path, $origin
1494	or next;	2161	or next;
1495	$neigh->load;	2162	$neigh->load;
1496	}	2163	}
1497	}	2164	}
1498		2165
…		…
1503	}	2170	}
1504		2171
1505	sub do_load_sync {	2172	sub do_load_sync {
1506	my ($map) = @_;	2173	my ($map) = @_;
1507		2174
		2175	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2176	if $Coro::current == $Coro::main;
		2177
1508	cf::sync_job { $map->load };	2178	cf::sync_job { $map->load };
1509	}	2179	}
1510		2180
1511	our %MAP_PREFETCH;	2181	our %MAP_PREFETCH;
1512	our $MAP_PREFETCHER = undef;	2182	our $MAP_PREFETCHER = undef;
1513		2183
1514	sub find_async {	2184	sub find_async {
1515	my ($path, $origin) = @_;	2185	my ($path, $origin, $load) = @_;
1516		2186
1517	$path = normalise $path, $origin && $origin->{path};	2187	$path = normalise $path, $origin && $origin->{path};
1518		2188
1519	if (my $map = $cf::MAP{$path}) {	2189	if (my $map = $cf::MAP{$path}) {
1520	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2190	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1521	}	2191	}
1522		2192
1523	undef $MAP_PREFETCH{$path};	2193	$MAP_PREFETCH{$path} |= $load;
		2194
1524	$MAP_PREFETCHER ||= cf::async {	2195	$MAP_PREFETCHER ||= cf::async {
		2196	$Coro::current->{desc} = "map prefetcher";
		2197
1525	while (%MAP_PREFETCH) {	2198	while (%MAP_PREFETCH) {
1526	for my $path (keys %MAP_PREFETCH) {	2199	while (my ($k, $v) = each %MAP_PREFETCH) {
1527	my $map = find $path	2200	if (my $map = find $k) {
1528	or next;
1529	$map->load;	2201	$map->load if $v;
		2202	}
1530		2203
1531	delete $MAP_PREFETCH{$path};	2204	delete $MAP_PREFETCH{$k};
1532	}	2205	}
1533	}	2206	}
1534	undef $MAP_PREFETCHER;	2207	undef $MAP_PREFETCHER;
1535	};	2208	};
1536	$MAP_PREFETCHER->prio (6);	2209	$MAP_PREFETCHER->prio (6);
…		…
1539	}	2212	}
1540		2213
1541	sub save {	2214	sub save {
1542	my ($self) = @_;	2215	my ($self) = @_;
1543		2216
1544	my $lock = cf::lock_acquire "map_data:" . $self->path;	2217	my $lock = cf::lock_acquire "map_data:$self->{path}";
1545		2218
1546	$self->{last_save} = $cf::RUNTIME;	2219	$self->{last_save} = $cf::RUNTIME;
1547		2220
1548	return unless $self->dirty;	2221	return unless $self->dirty;
1549		2222
…		…
1555	return if $self->{deny_save};	2228	return if $self->{deny_save};
1556		2229
1557	local $self->{last_access} = $self->last_access;#d#	2230	local $self->{last_access} = $self->last_access;#d#
1558		2231
1559	cf::async {	2232	cf::async {
		2233	$Coro::current->{desc} = "map player save";
1560	$_->contr->save for $self->players;	2234	$_->contr->save for $self->players;
1561	};	2235	};
		2236
		2237	cf::get_slot 0.02;
1562		2238
1563	if ($uniq) {	2239	if ($uniq) {
1564	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2240	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1565	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2241	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1566	} else {	2242	} else {
…		…
1572	my ($self) = @_;	2248	my ($self) = @_;
1573		2249
1574	# save first because save cedes	2250	# save first because save cedes
1575	$self->save;	2251	$self->save;
1576		2252
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2254
1579	return if $self->players;	2255	return if $self->players;
1580	return if $self->in_memory != cf::MAP_IN_MEMORY;	2256	return if $self->in_memory != cf::MAP_ACTIVE;
1581	return if $self->{deny_save};	2257	return if $self->{deny_save};
1582		2258
		2259	$self->in_memory (cf::MAP_SWAPPED);
		2260
		2261	$self->deactivate;
		2262	$_->clear_links_to ($self) for values %cf::MAP;
1583	$self->clear;	2263	$self->clear;
1584	$self->in_memory (cf::MAP_SWAPPED);
1585	}	2264	}
1586		2265
1587	sub reset_at {	2266	sub reset_at {
1588	my ($self) = @_;	2267	my ($self) = @_;
1589		2268
1590	# TODO: safety, remove and allow resettable per-player maps	2269	# TODO: safety, remove and allow resettable per-player maps
1591	return 1e99 if $self->isa ("ext::map_per_player");#d#
1592	return 1e99 if $self->{deny_reset};	2270	return 1e99 if $self->{deny_reset};
1593		2271
1594	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2272	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1595	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2273	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1596		2274
…		…
1607	my ($self) = @_;	2285	my ($self) = @_;
1608		2286
1609	my $lock = cf::lock_acquire "map_data:$self->{path}";	2287	my $lock = cf::lock_acquire "map_data:$self->{path}";
1610		2288
1611	return if $self->players;	2289	return if $self->players;
1612	return if $self->isa ("ext::map_per_player");#d#
1613		2290
1614	warn "resetting map ", $self->path;#d#	2291	warn "resetting map ", $self->path;
1615		2292
1616	$self->in_memory (cf::MAP_SWAPPED);	2293	$self->in_memory (cf::MAP_SWAPPED);
1617		2294
1618	# need to save uniques path	2295	# need to save uniques path
1619	unless ($self->{deny_save}) {	2296	unless ($self->{deny_save}) {
…		…
1623	if $uniq;	2300	if $uniq;
1624	}	2301	}
1625		2302
1626	delete $cf::MAP{$self->path};	2303	delete $cf::MAP{$self->path};
1627		2304
		2305	$self->deactivate;
		2306	$_->clear_links_to ($self) for values %cf::MAP;
1628	$self->clear;	2307	$self->clear;
1629
1630	$_->clear_links_to ($self) for values %cf::MAP;
1631		2308
1632	$self->unlink_save;	2309	$self->unlink_save;
1633	$self->destroy;	2310	$self->destroy;
1634	}	2311	}
1635		2312
1636	my $nuke_counter = "aaaa";	2313	my $nuke_counter = "aaaa";
1637		2314
1638	sub nuke {	2315	sub nuke {
1639	my ($self) = @_;	2316	my ($self) = @_;
1640		2317
		2318	{
		2319	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2320
1641	delete $cf::MAP{$self->path};	2321	delete $cf::MAP{$self->path};
1642		2322
1643	$self->unlink_save;	2323	$self->unlink_save;
1644		2324
1645	bless $self, "cf::map";	2325	bless $self, "cf::map";
1646	delete $self->{deny_reset};	2326	delete $self->{deny_reset};
1647	$self->{deny_save} = 1;	2327	$self->{deny_save} = 1;
1648	$self->reset_timeout (1);	2328	$self->reset_timeout (1);
1649	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2329	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1650		2330
1651	$cf::MAP{$self->path} = $self;	2331	$cf::MAP{$self->path} = $self;
		2332	}
1652		2333
1653	$self->reset; # polite request, might not happen	2334	$self->reset; # polite request, might not happen
		2335	}
		2336
		2337	=item $maps = cf::map::tmp_maps
		2338
		2339	Returns an arrayref with all map paths of currently instantiated and saved
		2340	maps. May block.
		2341
		2342	=cut
		2343
		2344	sub tmp_maps() {
		2345	[
		2346	map {
		2347	utf8::decode $_;
		2348	/\.map$/
		2349	? normalise $_
		2350	: ()
		2351	} @{ aio_readdir $TMPDIR or [] }
		2352	]
		2353	}
		2354
		2355	=item $maps = cf::map::random_maps
		2356
		2357	Returns an arrayref with all map paths of currently instantiated and saved
		2358	random maps. May block.
		2359
		2360	=cut
		2361
		2362	sub random_maps() {
		2363	[
		2364	map {
		2365	utf8::decode $_;
		2366	/\.map$/
		2367	? normalise "?random/$_"
		2368	: ()
		2369	} @{ aio_readdir $RANDOMDIR or [] }
		2370	]
1654	}	2371	}
1655		2372
1656	=item cf::map::unique_maps	2373	=item cf::map::unique_maps
1657		2374
1658	Returns an arrayref of paths of all shared maps that have	2375	Returns an arrayref of paths of all shared maps that have
1659	instantiated unique items. May block.	2376	instantiated unique items. May block.
1660		2377
1661	=cut	2378	=cut
1662		2379
1663	sub unique_maps() {	2380	sub unique_maps() {
1664	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2381	[
1665	or return;	2382	map {
1666
1667	my @paths;
1668
1669	for (@$files) {
1670	utf8::decode $_;	2383	utf8::decode $_;
1671	next if /\.pst$/;	2384	s/\.map$//; # TODO future compatibility hack
1672	next unless /^$PATH_SEP/o;	2385	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1673		2386	? ()
1674	push @paths, cf::map::normalise $_;	2387	: normalise $_
		2388	} @{ aio_readdir $UNIQUEDIR or [] }
1675	}	2389	]
1676
1677	\@paths
1678	}	2390	}
1679
1680	package cf;
1681		2391
1682	=back	2392	=back
1683		2393
1684	=head3 cf::object	2394	=head3 cf::object
1685		2395
…		…
1689		2399
1690	=over 4	2400	=over 4
1691		2401
1692	=item $ob->inv_recursive	2402	=item $ob->inv_recursive
1693		2403
1694	Returns the inventory of the object _and_ their inventories, recursively.	2404	Returns the inventory of the object I<and> their inventories, recursively,
		2405	but I<not> the object itself.
1695		2406
1696	=cut	2407	=cut
1697		2408
1698	sub inv_recursive_;	2409	sub inv_recursive_;
1699	sub inv_recursive_ {	2410	sub inv_recursive_ {
1700	map { $_, inv_recursive_ $_->inv } @_	2411	map { $_, inv_recursive_ $_->inv } @_
1701	}	2412	}
1702		2413
1703	sub inv_recursive {	2414	sub inv_recursive {
1704	inv_recursive_ inv $_[0]	2415	inv_recursive_ inv $_[0]
		2416	}
		2417
		2418	=item $ref = $ob->ref
		2419
		2420	Creates and returns a persistent reference to an object that can be stored as a string.
		2421
		2422	=item $ob = cf::object::deref ($refstring)
		2423
		2424	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2425	even if the object actually exists. May block.
		2426
		2427	=cut
		2428
		2429	sub deref {
		2430	my ($ref) = @_;
		2431
		2432	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2433	my ($uuid, $name) = ($1, $2);
		2434	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2435	or return;
		2436	$pl->ob->uuid eq $uuid
		2437	or return;
		2438
		2439	$pl->ob
		2440	} else {
		2441	warn "$ref: cannot resolve object reference\n";
		2442	undef
		2443	}
1705	}	2444	}
1706		2445
1707	package cf;	2446	package cf;
1708		2447
1709	=back	2448	=back
…		…
1728		2467
1729	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2468	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1730		2469
1731	if ($self->{record_replies}) {	2470	if ($self->{record_replies}) {
1732	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2471	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2472
1733	} else {	2473	} else {
		2474	my $pl = $self->contr;
		2475
		2476	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2477	my $dialog = $pl->{npc_dialog};
		2478	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2479
		2480	} else {
1734	$msg = $npc->name . " says: $msg" if $npc;	2481	$msg = $npc->name . " says: $msg" if $npc;
1735	$self->message ($msg, $flags);	2482	$self->message ($msg, $flags);
		2483	}
1736	}	2484	}
		2485	}
		2486
		2487	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2488
		2489	=cut
		2490
		2491	sub cf::object::send_msg {
		2492	my $pl = shift->contr
		2493	or return;
		2494	$pl->send_msg (@_);
1737	}	2495	}
1738		2496
1739	=item $player_object->may ("access")	2497	=item $player_object->may ("access")
1740		2498
1741	Returns wether the given player is authorized to access resource "access"	2499	Returns wether the given player is authorized to access resource "access"
…		…
1788	$self->deactivate_recursive;	2546	$self->deactivate_recursive;
1789		2547
1790	return if UNIVERSAL::isa $self->map, "ext::map_link";	2548	return if UNIVERSAL::isa $self->map, "ext::map_link";
1791		2549
1792	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2550	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1793	if $self->map;	2551	if $self->map && $self->map->{path} ne "{link}";
1794		2552
1795	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2553	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1796	}	2554	}
1797		2555
1798	sub cf::object::player::leave_link {	2556	sub cf::object::player::leave_link {
1799	my ($self, $map, $x, $y) = @_;	2557	my ($self, $map, $x, $y) = @_;
		2558
		2559	return unless $self->contr->active;
1800		2560
1801	my $link_pos = delete $self->{_link_pos};	2561	my $link_pos = delete $self->{_link_pos};
1802		2562
1803	unless ($map) {	2563	unless ($map) {
1804	# restore original map position	2564	# restore original map position
…		…
1818	# use -1 or undef as default coordinates, not 0, 0	2578	# use -1 or undef as default coordinates, not 0, 0
1819	($x, $y) = ($map->enter_x, $map->enter_y)	2579	($x, $y) = ($map->enter_x, $map->enter_y)
1820	if $x <=0 && $y <= 0;	2580	if $x <=0 && $y <= 0;
1821		2581
1822	$map->load;	2582	$map->load;
1823	$map->load_diag;	2583	$map->load_neighbours;
1824		2584
1825	return unless $self->contr->active;	2585	return unless $self->contr->active;
1826	$self->activate_recursive;	2586	$self->activate_recursive;
		2587
		2588	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2589	$self->enter_map ($map, $x, $y);
1828	}	2590	}
1829		2591
1830	cf::player->attach (	2592	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1831	on_logout => sub {
1832	my ($pl) = @_;
1833		2593
1834	# abort map switching before logout	2594	Moves the player to the given map-path and coordinates by first freezing
1835	if ($pl->ob->{_link_pos}) {	2595	her, loading and preparing them map, calling the provided $check callback
1836	cf::sync_job {	2596	that has to return the map if sucecssful, and then unfreezes the player on
1837	$pl->ob->leave_link	2597	the new (success) or old (failed) map position. In either case, $done will
1838	};	2598	be called at the end of this process.
1839	}
1840	},
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2599
1844	# try to abort aborted map switching on player login :)
1845	# should happen only on crashes
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	# we need this sleep as the login has a concurrent enter_exit running
1850	# and this sleep increases chances of the player not ending up in scorn
1851	$pl->ob->reply (undef,
1852	"There was an internal problem at your last logout, "
1853	. "the server will try to bring you to your intended destination in a second.",
1854	cf::NDI_RED);
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861
1862	=item $player_object->goto ($path, $x, $y)
1863
1864	=cut	2600	=cut
		2601
		2602	our $GOTOGEN;
1865		2603
1866	sub cf::object::player::goto {	2604	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2605	my ($self, $path, $x, $y, $check, $done) = @_;
		2606
		2607	# do generation counting so two concurrent goto's will be executed in-order
		2608	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2609
1869	$self->enter_link;	2610	$self->enter_link;
1870		2611
1871	(async {	2612	(async {
		2613	$Coro::current->{desc} = "player::goto $path $x $y";
		2614
		2615	# *tag paths override both path and x|y
		2616	if ($path =~ /^\*(.*)$/) {
		2617	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2618	my $ob = $obs[rand @obs];
		2619
		2620	# see if we actually can go there
		2621	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2622	$ob = $obs[rand @obs];
		2623	} else {
		2624	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2625	}
		2626	# else put us there anyways for now #d#
		2627
		2628	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2629	} else {
		2630	($path, $x, $y) = (undef, undef, undef);
		2631	}
		2632	}
		2633
1872	my $map = eval {	2634	my $map = eval {
1873	my $map = cf::map::find $path;	2635	my $map = defined $path ? cf::map::find $path : undef;
		2636
		2637	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2638	$map = $map->customise_for ($self);
		2639	$map = $check->($map) if $check && $map;
		2640	} else {
		2641	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2642	}
		2643
1875	$map	2644	$map
		2645	};
		2646
		2647	if ($@) {
		2648	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2649	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2650	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2651
		2652	if ($gen == $self->{_goto_generation}) {
		2653	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2654	$self->leave_link ($map, $x, $y);
		2655	}
		2656
		2657	$done->() if $done;
1880	})->prio (1);	2658	})->prio (1);
1881	}	2659	}
1882		2660
1883	=item $player_object->enter_exit ($exit_object)	2661	=item $player_object->enter_exit ($exit_object)
1884		2662
…		…
1921	$rmp->{origin_y} = $exit->y;	2699	$rmp->{origin_y} = $exit->y;
1922	}	2700	}
1923		2701
1924	$rmp->{random_seed} ||= $exit->random_seed;	2702	$rmp->{random_seed} ||= $exit->random_seed;
1925		2703
1926	my $data = cf::to_json $rmp;	2704	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1927	my $md5 = Digest::MD5::md5_hex $data;	2705	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2706	my $meta = "$RANDOMDIR/$md5.meta";
1929		2707
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2708	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2709	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2710	undef $fh;
1933	aio_rename "$meta~", $meta;	2711	aio_rename "$meta~", $meta;
…		…
1942		2720
1943	return unless $self->type == cf::PLAYER;	2721	return unless $self->type == cf::PLAYER;
1944		2722
1945	if ($exit->slaying eq "/!") {	2723	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job	2724	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2725	# the problem is that $exit might not survive long enough
		2726	# so it needs to be done right now, right here
1947	cf::sync_job { prepare_random_map $exit };	2727	cf::sync_job { prepare_random_map $exit };
1948	}	2728	}
1949		2729
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2730	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;	2731	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;	2732	my $sp = $exit->stats->sp;
1953		2733
1954	$self->enter_link;	2734	$self->enter_link;
1955		2735
		2736	# if exit is damned, update players death & WoR home-position
		2737	$self->contr->savebed ($slaying, $hp, $sp)
		2738	if $exit->flag (FLAG_DAMNED);
		2739
1956	(async {	2740	(async {
		2741	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2742
1957	$self->deactivate_recursive; # just to be sure	2743	$self->deactivate_recursive; # just to be sure
1958	unless (eval {	2744	unless (eval {
1959	$self->goto ($slaying, $hp, $sp);	2745	$self->goto ($slaying, $hp, $sp);
1960		2746
1961	1;	2747	1;
1962	}) {	2748	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2749	$self->message ("Something went wrong deep within the crossfire server. "
1964	. "I'll try to bring you back to the map you were before. "	2750	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2751	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2752	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2753
1968	warn "ERROR in enter_exit: $@";	2754	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2755	$self->leave_link;
1970	}	2756	}
1971	})->prio (1);	2757	})->prio (1);
…		…
1984		2770
1985	sub cf::client::send_drawinfo {	2771	sub cf::client::send_drawinfo {
1986	my ($self, $text, $flags) = @_;	2772	my ($self, $text, $flags) = @_;
1987		2773
1988	utf8::encode $text;	2774	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2775	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2776	}
1991		2777
		2778	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2779
		2780	Send a drawinfo or msg packet to the client, formatting the msg for the
		2781	client if neccessary. C<$type> should be a string identifying the type of
		2782	the message, with C<log> being the default. If C<$color> is negative, suppress
		2783	the message unless the client supports the msg packet.
		2784
		2785	=cut
		2786
		2787	# non-persistent channels (usually the info channel)
		2788	our %CHANNEL = (
		2789	"c/identify" => {
		2790	id => "infobox",
		2791	title => "Identify",
		2792	reply => undef,
		2793	tooltip => "Items recently identified",
		2794	},
		2795	"c/examine" => {
		2796	id => "infobox",
		2797	title => "Examine",
		2798	reply => undef,
		2799	tooltip => "Signs and other items you examined",
		2800	},
		2801	"c/book" => {
		2802	id => "infobox",
		2803	title => "Book",
		2804	reply => undef,
		2805	tooltip => "The contents of a note or book",
		2806	},
		2807	"c/lookat" => {
		2808	id => "infobox",
		2809	title => "Look",
		2810	reply => undef,
		2811	tooltip => "What you saw there",
		2812	},
		2813	"c/who" => {
		2814	id => "infobox",
		2815	title => "Players",
		2816	reply => undef,
		2817	tooltip => "Shows players who are currently online",
		2818	},
		2819	"c/body" => {
		2820	id => "infobox",
		2821	title => "Body Parts",
		2822	reply => undef,
		2823	tooltip => "Shows which body parts you posess and are available",
		2824	},
		2825	"c/uptime" => {
		2826	id => "infobox",
		2827	title => "Uptime",
		2828	reply => undef,
		2829	tooltip => "How long the server has been running since last restart",
		2830	},
		2831	"c/mapinfo" => {
		2832	id => "infobox",
		2833	title => "Map Info",
		2834	reply => undef,
		2835	tooltip => "Information related to the maps",
		2836	},
		2837	);
		2838
		2839	sub cf::client::send_msg {
		2840	my ($self, $channel, $msg, $color, @extra) = @_;
		2841
		2842	$msg = $self->pl->expand_cfpod ($msg);
		2843
		2844	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2845
		2846	# check predefined channels, for the benefit of C
		2847	if ($CHANNEL{$channel}) {
		2848	$channel = $CHANNEL{$channel};
		2849
		2850	$self->ext_msg (channel_info => $channel)
		2851	if $self->can_msg;
		2852
		2853	$channel = $channel->{id};
		2854
		2855	} elsif (ref $channel) {
		2856	# send meta info to client, if not yet sent
		2857	unless (exists $self->{channel}{$channel->{id}}) {
		2858	$self->{channel}{$channel->{id}} = $channel;
		2859	$self->ext_msg (channel_info => $channel)
		2860	if $self->can_msg;
		2861	}
		2862
		2863	$channel = $channel->{id};
		2864	}
		2865
		2866	return unless @extra || length $msg;
		2867
		2868	if ($self->can_msg) {
		2869	# default colour, mask it out
		2870	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2871	if $color & cf::NDI_DEF;
		2872
		2873	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2874	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2875	} else {
		2876	if ($color >= 0) {
		2877	# replace some tags by gcfclient-compatible ones
		2878	for ($msg) {
		2879	1 while
		2880	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2881	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2882	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2883	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2884	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2885	}
		2886
		2887	$color &= cf::NDI_COLOR_MASK;
		2888
		2889	utf8::encode $msg;
		2890
		2891	if (0 && $msg =~ /\[/) {
		2892	# COMMAND/INFO
		2893	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2894	} else {
		2895	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2896	$self->send_packet ("drawinfo $color $msg")
		2897	}
		2898	}
		2899	}
		2900	}
		2901
		2902	=item $client->ext_msg ($type, @msg)
		2903
		2904	Sends an ext event to the client.
		2905
		2906	=cut
		2907
		2908	sub cf::client::ext_msg($$@) {
		2909	my ($self, $type, @msg) = @_;
		2910
		2911	if ($self->extcmd == 2) {
		2912	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2913	} elsif ($self->extcmd == 1) { # TODO: remove
		2914	push @msg, msgtype => "event_$type";
		2915	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2916	}
		2917	}
		2918
		2919	=item $client->ext_reply ($msgid, @msg)
		2920
		2921	Sends an ext reply to the client.
		2922
		2923	=cut
		2924
		2925	sub cf::client::ext_reply($$@) {
		2926	my ($self, $id, @msg) = @_;
		2927
		2928	if ($self->extcmd == 2) {
		2929	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2930	} elsif ($self->extcmd == 1) {
		2931	#TODO: version 1, remove
		2932	unshift @msg, msgtype => "reply", msgid => $id;
		2933	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2934	}
		2935	}
1992		2936
1993	=item $success = $client->query ($flags, "text", \&cb)	2937	=item $success = $client->query ($flags, "text", \&cb)
1994		2938
1995	Queues a query to the client, calling the given callback with	2939	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2940	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2941	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		2942
1999	Queries can fail, so check the return code. Or don't, as queries will become	2943	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	2944	become reliable at some point in the future.
2001		2945
2002	=cut	2946	=cut
2003		2947
2004	sub cf::client::query {	2948	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	2949	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	2957	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2958	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		2959
2016	$self->send_packet ($self->{query_queue}[0][0])	2960	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	2961	if @{ $self->{query_queue} } == 1;
		2962
		2963	1
2018	}	2964	}
2019		2965
2020	cf::client->attach (	2966	cf::client->attach (
		2967	on_connect => sub {
		2968	my ($ns) = @_;
		2969
		2970	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2971	},
2021	on_reply => sub {	2972	on_reply => sub {
2022	my ($ns, $msg) = @_;	2973	my ($ns, $msg) = @_;
2023		2974
2024	# this weird shuffling is so that direct followup queries	2975	# this weird shuffling is so that direct followup queries
2025	# get handled first	2976	# get handled first
…		…
2037	} else {	2988	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2989	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	2990	}
2040	}	2991	}
2041	},	2992	},
		2993	on_exticmd => sub {
		2994	my ($ns, $buf) = @_;
		2995
		2996	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2997
		2998	if (ref $msg) {
		2999	my ($type, $reply, @payload) =
		3000	"ARRAY" eq ref $msg
		3001	? @$msg
		3002	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3003
		3004	my @reply;
		3005
		3006	if (my $cb = $EXTICMD{$type}) {
		3007	@reply = $cb->($ns, @payload);
		3008	}
		3009
		3010	$ns->ext_reply ($reply, @reply)
		3011	if $reply;
		3012
		3013	} else {
		3014	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3015	}
		3016
		3017	cf::override;
		3018	},
2042	);	3019	);
2043		3020
2044	=item $client->async (\&cb)	3021	=item $client->async (\&cb)
2045		3022
2046	Create a new coroutine, running the specified callback. The coroutine will	3023	Create a new coroutine, running the specified callback. The coroutine will
…		…
2087	our $safe = new Safe "safe";	3064	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	3065	our $safe_hole = new Safe::Hole;
2089		3066
2090	$SIG{FPE} = 'IGNORE';	3067	$SIG{FPE} = 'IGNORE';
2091		3068
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3069	$safe->permit_only (Opcode::opset qw(
		3070	:base_core :base_mem :base_orig :base_math
		3071	grepstart grepwhile mapstart mapwhile
		3072	sort time
		3073	));
2093		3074
2094	# here we export the classes and methods available to script code	3075	# here we export the classes and methods available to script code
2095		3076
2096	=pod	3077	=pod
2097		3078
2098	The following fucntions and emthods are available within a safe environment:	3079	The following functions and methods are available within a safe environment:
2099		3080
2100	cf::object contr pay_amount pay_player map	3081	cf::object
		3082	contr pay_amount pay_player map x y force_find force_add destroy
		3083	insert remove name archname title slaying race decrease split
		3084
2101	cf::object::player player	3085	cf::object::player
2102	cf::player peaceful	3086	player
2103	cf::map trigger	3087
		3088	cf::player
		3089	peaceful
		3090
		3091	cf::map
		3092	trigger
2104		3093
2105	=cut	3094	=cut
2106		3095
2107	for (	3096	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	3097	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3098	insert remove inv name archname title slaying race
		3099	decrease split destroy)],
2109	["cf::object::player" => qw(player)],	3100	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	3101	["cf::player" => qw(peaceful)],
2111	["cf::map" => qw(trigger)],	3102	["cf::map" => qw(trigger)],
2112	) {	3103	) {
2113	no strict 'refs';	3104	no strict 'refs';
…		…
2184	=back	3175	=back
2185		3176
2186	=cut	3177	=cut
2187		3178
2188	#############################################################################	3179	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259
2260	#############################################################################
2261	# the server's init and main functions	3180	# the server's init and main functions
2262		3181
		3182	sub load_facedata($) {
		3183	my ($path) = @_;
		3184
		3185	# HACK to clear player env face cache, we need some signal framework
		3186	# for this (global event?)
		3187	%ext::player_env::MUSIC_FACE_CACHE = ();
		3188
		3189	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3190
		3191	warn "loading facedata from $path\n";
		3192
		3193	my $facedata;
		3194	0 < aio_load $path, $facedata
		3195	or die "$path: $!";
		3196
		3197	$facedata = Coro::Storable::thaw $facedata;
		3198
		3199	$facedata->{version} == 2
		3200	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3201
		3202	# patch in the exptable
		3203	$facedata->{resource}{"res/exp_table"} = {
		3204	type => FT_RSRC,
		3205	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3206	};
		3207	cf::cede_to_tick;
		3208
		3209	{
		3210	my $faces = $facedata->{faceinfo};
		3211
		3212	while (my ($face, $info) = each %$faces) {
		3213	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3214
		3215	cf::face::set_visibility $idx, $info->{visibility};
		3216	cf::face::set_magicmap $idx, $info->{magicmap};
		3217	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3218	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3219
		3220	cf::cede_to_tick;
		3221	}
		3222
		3223	while (my ($face, $info) = each %$faces) {
		3224	next unless $info->{smooth};
		3225
		3226	my $idx = cf::face::find $face
		3227	or next;
		3228
		3229	if (my $smooth = cf::face::find $info->{smooth}) {
		3230	cf::face::set_smooth $idx, $smooth;
		3231	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3232	} else {
		3233	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3234	}
		3235
		3236	cf::cede_to_tick;
		3237	}
		3238	}
		3239
		3240	{
		3241	my $anims = $facedata->{animinfo};
		3242
		3243	while (my ($anim, $info) = each %$anims) {
		3244	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3245	cf::cede_to_tick;
		3246	}
		3247
		3248	cf::anim::invalidate_all; # d'oh
		3249	}
		3250
		3251	{
		3252	# TODO: for gcfclient pleasure, we should give resources
		3253	# that gcfclient doesn't grok a >10000 face index.
		3254	my $res = $facedata->{resource};
		3255
		3256	while (my ($name, $info) = each %$res) {
		3257	if (defined $info->{type}) {
		3258	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3259	my $data;
		3260
		3261	if ($info->{type} & 1) {
		3262	# prepend meta info
		3263
		3264	my $meta = $enc->encode ({
		3265	name => $name,
		3266	%{ $info->{meta} || {} },
		3267	});
		3268
		3269	$data = pack "(w/a*)*", $meta, $info->{data};
		3270	} else {
		3271	$data = $info->{data};
		3272	}
		3273
		3274	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3275	cf::face::set_type $idx, $info->{type};
		3276	} else {
		3277	$RESOURCE{$name} = $info;
		3278	}
		3279
		3280	cf::cede_to_tick;
		3281	}
		3282	}
		3283
		3284	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3285
		3286	1
		3287	}
		3288
		3289	cf::global->attach (on_resource_update => sub {
		3290	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3291	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3292
		3293	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3294	my $sound = $soundconf->{compat}[$_]
		3295	or next;
		3296
		3297	my $face = cf::face::find "sound/$sound->[1]";
		3298	cf::sound::set $sound->[0] => $face;
		3299	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3300	}
		3301
		3302	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3303	my $face = cf::face::find "sound/$v";
		3304	cf::sound::set $k => $face;
		3305	}
		3306	}
		3307	});
		3308
		3309	register_exticmd fx_want => sub {
		3310	my ($ns, $want) = @_;
		3311
		3312	while (my ($k, $v) = each %$want) {
		3313	$ns->fx_want ($k, $v);
		3314	}
		3315	};
		3316
2263	sub load_resources {	3317	sub load_resource_file($) {
2264	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3318	my $guard = lock_acquire "load_resource_file";
		3319
		3320	my $status = load_resource_file_ $_[0];
		3321	get_slot 0.1, 100;
		3322	cf::arch::commit_load;
		3323
		3324	$status
		3325	}
		3326
		3327	sub reload_regions {
		3328	# HACK to clear player env face cache, we need some signal framework
		3329	# for this (global event?)
		3330	%ext::player_env::MUSIC_FACE_CACHE = ();
		3331
		3332	load_resource_file "$MAPDIR/regions"
2265	or die "unable to load regions file\n";#d#	3333	or die "unable to load regions file\n";
2266	}
2267		3334
2268	sub cfg_load {	3335	for (cf::region::list) {
		3336	$_->{match} = qr/$_->{match}/
		3337	if exists $_->{match};
		3338	}
		3339	}
		3340
		3341	sub reload_facedata {
		3342	load_facedata "$DATADIR/facedata"
		3343	or die "unable to load facedata\n";
		3344	}
		3345
		3346	sub reload_archetypes {
		3347	load_resource_file "$DATADIR/archetypes"
		3348	or die "unable to load archetypes\n";
		3349	}
		3350
		3351	sub reload_treasures {
		3352	load_resource_file "$DATADIR/treasures"
		3353	or die "unable to load treasurelists\n";
		3354	}
		3355
		3356	sub reload_resources {
		3357	warn "reloading resource files...\n";
		3358
		3359	reload_facedata;
		3360	reload_archetypes;
		3361	reload_regions;
		3362	reload_treasures;
		3363
		3364	warn "finished reloading resource files\n";
		3365	}
		3366
		3367	sub init {
		3368	my $guard = freeze_mainloop;
		3369
		3370	reload_resources;
		3371	}
		3372
		3373	sub reload_config {
2269	open my $fh, "<:utf8", cf::confdir . "/config"	3374	open my $fh, "<:utf8", "$CONFDIR/config"
2270	or return;	3375	or return;
2271		3376
2272	local $/;	3377	local $/;
2273	*CFG = YAML::Syck::Load <$fh>;	3378	*CFG = YAML::Load <$fh>;
2274		3379
2275	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3380	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2276		3381
2277	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3382	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2278	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3383	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2284	};	3389	};
2285	warn $@ if $@;	3390	warn $@ if $@;
2286	}	3391	}
2287	}	3392	}
2288		3393
2289	sub init {
2290	load_resources;
2291	}
2292
2293	sub main {	3394	sub main {
2294	# we must not ever block the main coroutine	3395	# we must not ever block the main coroutine
2295	local $Coro::idle = sub {	3396	local $Coro::idle = sub {
2296	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3397	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2297	(async {	3398	(async {
2298	Event::one_event;	3399	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3400	EV::loop EV::LOOP_ONESHOT;
2299	})->prio (Coro::PRIO_MAX);	3401	})->prio (Coro::PRIO_MAX);
2300	};	3402	};
2301		3403
2302	cfg_load;	3404	{
		3405	my $guard = freeze_mainloop;
		3406	reload_config;
2303	db_init;	3407	db_init;
2304	load_extensions;	3408	load_extensions;
2305		3409
2306	$TICK_WATCHER->start;	3410	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3411	evthread_start IO::AIO::poll_fileno;
		3412	}
		3413
2307	Event::loop;	3414	EV::loop;
2308	}	3415	}
2309		3416
2310	#############################################################################	3417	#############################################################################
2311	# initialisation and cleanup	3418	# initialisation and cleanup
2312		3419
2313	# install some emergency cleanup handlers	3420	# install some emergency cleanup handlers
2314	BEGIN {	3421	BEGIN {
		3422	our %SIGWATCHER = ();
2315	for my $signal (qw(INT HUP TERM)) {	3423	for my $signal (qw(INT HUP TERM)) {
2316	Event->signal (	3424	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2317	reentrant => 0,
2318	data => WF_AUTOCANCEL,
2319	signal => $signal,
2320	prio => 0,
2321	cb => sub {
2322	cf::cleanup "SIG$signal";	3425	cf::cleanup "SIG$signal";
2323	},
2324	);	3426	};
		3427	}
		3428	}
		3429
		3430	sub write_runtime_sync {
		3431	my $runtime = "$LOCALDIR/runtime";
		3432
		3433	# first touch the runtime file to show we are still running:
		3434	# the fsync below can take a very very long time.
		3435
		3436	IO::AIO::aio_utime $runtime, undef, undef;
		3437
		3438	my $guard = cf::lock_acquire "write_runtime";
		3439
		3440	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3441	or return;
		3442
		3443	my $value = $cf::RUNTIME + 90 + 10;
		3444	# 10 is the runtime save interval, for a monotonic clock
		3445	# 60 allows for the watchdog to kill the server.
		3446
		3447	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3448	and return;
		3449
		3450	# always fsync - this file is important
		3451	aio_fsync $fh
		3452	and return;
		3453
		3454	# touch it again to show we are up-to-date
		3455	aio_utime $fh, undef, undef;
		3456
		3457	close $fh
		3458	or return;
		3459
		3460	aio_rename "$runtime~", $runtime
		3461	and return;
		3462
		3463	warn "runtime file written.\n";
		3464
2325	}	3465	1
		3466	}
		3467
		3468	our $uuid_lock;
		3469	our $uuid_skip;
		3470
		3471	sub write_uuid_sync($) {
		3472	$uuid_skip ||= $_[0];
		3473
		3474	return if $uuid_lock;
		3475	local $uuid_lock = 1;
		3476
		3477	my $uuid = "$LOCALDIR/uuid";
		3478
		3479	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3480	or return;
		3481
		3482	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3483	$uuid_skip = 0;
		3484
		3485	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3486	and return;
		3487
		3488	# always fsync - this file is important
		3489	aio_fsync $fh
		3490	and return;
		3491
		3492	close $fh
		3493	or return;
		3494
		3495	aio_rename "$uuid~", $uuid
		3496	and return;
		3497
		3498	warn "uuid file written ($value).\n";
		3499
		3500	1
		3501
		3502	}
		3503
		3504	sub write_uuid($$) {
		3505	my ($skip, $sync) = @_;
		3506
		3507	$sync ? write_uuid_sync $skip
		3508	: async { write_uuid_sync $skip };
2326	}	3509	}
2327		3510
2328	sub emergency_save() {	3511	sub emergency_save() {
2329	my $freeze_guard = cf::freeze_mainloop;	3512	my $freeze_guard = cf::freeze_mainloop;
2330		3513
…		…
2336	# and maps saved/destroyed asynchronously.	3519	# and maps saved/destroyed asynchronously.
2337	warn "begin emergency player save\n";	3520	warn "begin emergency player save\n";
2338	for my $login (keys %cf::PLAYER) {	3521	for my $login (keys %cf::PLAYER) {
2339	my $pl = $cf::PLAYER{$login} or next;	3522	my $pl = $cf::PLAYER{$login} or next;
2340	$pl->valid or next;	3523	$pl->valid or next;
		3524	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2341	$pl->save;	3525	$pl->save;
2342	}	3526	}
2343	warn "end emergency player save\n";	3527	warn "end emergency player save\n";
2344		3528
2345	warn "begin emergency map save\n";	3529	warn "begin emergency map save\n";
…		…
2351	warn "end emergency map save\n";	3535	warn "end emergency map save\n";
2352		3536
2353	warn "begin emergency database checkpoint\n";	3537	warn "begin emergency database checkpoint\n";
2354	BDB::db_env_txn_checkpoint $DB_ENV;	3538	BDB::db_env_txn_checkpoint $DB_ENV;
2355	warn "end emergency database checkpoint\n";	3539	warn "end emergency database checkpoint\n";
		3540
		3541	warn "begin write uuid\n";
		3542	write_uuid_sync 1;
		3543	warn "end write uuid\n";
2356	};	3544	};
2357		3545
2358	warn "leave emergency perl save\n";	3546	warn "leave emergency perl save\n";
2359	}	3547	}
2360		3548
…		…
2363		3551
2364	warn Carp::longmess "post_cleanup backtrace"	3552	warn Carp::longmess "post_cleanup backtrace"
2365	if $make_core;	3553	if $make_core;
2366	}	3554	}
2367		3555
2368	sub reload() {	3556	sub do_reload_perl() {
2369	# can/must only be called in main	3557	# can/must only be called in main
2370	if ($Coro::current != $Coro::main) {	3558	if ($Coro::current != $Coro::main) {
2371	warn "can only reload from main coroutine";	3559	warn "can only reload from main coroutine";
2372	return;	3560	return;
2373	}	3561	}
2374		3562
2375	warn "reloading...";	3563	warn "reloading...";
2376		3564
2377	warn "cancelling server ticker";	3565	warn "entering sync_job";
2378	$TICK_WATCHER->cancel;
2379		3566
		3567	cf::sync_job {
		3568	cf::write_runtime_sync; # external watchdog should not bark
2380	cf::emergency_save;	3569	cf::emergency_save;
		3570	cf::write_runtime_sync; # external watchdog should not bark
2381		3571
2382	eval {	3572	warn "syncing database to disk";
		3573	BDB::db_env_txn_checkpoint $DB_ENV;
		3574
2383	# if anything goes wrong in here, we should simply crash as we already saved	3575	# if anything goes wrong in here, we should simply crash as we already saved
2384
2385	warn "cancelling all WF_AUTOCANCEL watchers";
2386	for (Event::all_watchers) {
2387	$_->cancel if $_->data & WF_AUTOCANCEL;
2388	}
2389
2390	warn "syncing database to disk";
2391	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2392		3576
2393	warn "flushing outstanding aio requests";	3577	warn "flushing outstanding aio requests";
2394	for (;;) {	3578	for (;;) {
2395	BDB::flush;	3579	BDB::flush;
2396	IO::AIO::flush;	3580	IO::AIO::flush;
2397	Coro::cede;	3581	Coro::cede_notself;
2398	last unless IO::AIO::nreqs || BDB::nreqs;	3582	last unless IO::AIO::nreqs || BDB::nreqs;
2399	warn "iterate...";	3583	warn "iterate...";
2400	}	3584	}
		3585
		3586	++$RELOAD;
2401		3587
2402	warn "cancelling all extension coros";	3588	warn "cancelling all extension coros";
2403	$_->cancel for values %EXT_CORO;	3589	$_->cancel for values %EXT_CORO;
2404	%EXT_CORO = ();	3590	%EXT_CORO = ();
2405		3591
2406	warn "removing commands";	3592	warn "removing commands";
2407	%COMMAND = ();	3593	%COMMAND = ();
2408		3594
2409	warn "removing ext commands";	3595	warn "removing ext/exti commands";
2410	%EXTCMD = ();	3596	%EXTCMD = ();
		3597	%EXTICMD = ();
2411		3598
2412	warn "unloading/nuking all extensions";	3599	warn "unloading/nuking all extensions";
2413	for my $pkg (@EXTS) {	3600	for my $pkg (@EXTS) {
2414	warn "... unloading $pkg";	3601	warn "... unloading $pkg";
2415		3602
…		…
2445	Symbol::delete_package "safe::$_"	3632	Symbol::delete_package "safe::$_"
2446	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3633	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2447		3634
2448	warn "unloading cf.pm \"a bit\"";	3635	warn "unloading cf.pm \"a bit\"";
2449	delete $INC{"cf.pm"};	3636	delete $INC{"cf.pm"};
		3637	delete $INC{"cf/pod.pm"};
2450		3638
2451	# don't, removes xs symbols, too,	3639	# don't, removes xs symbols, too,
2452	# and global variables created in xs	3640	# and global variables created in xs
2453	#Symbol::delete_package __PACKAGE__;	3641	#Symbol::delete_package __PACKAGE__;
2454		3642
…		…
2457	warn "reloading cf.pm";	3645	warn "reloading cf.pm";
2458	require cf;	3646	require cf;
2459	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3647	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2460		3648
2461	warn "loading config and database again";	3649	warn "loading config and database again";
2462	cf::cfg_load;	3650	cf::reload_config;
2463		3651
2464	warn "loading extensions";	3652	warn "loading extensions";
2465	cf::load_extensions;	3653	cf::load_extensions;
2466		3654
2467	warn "reattaching attachments to objects/players";	3655	warn "reattaching attachments to objects/players";
2468	_global_reattach;	3656	_global_reattach; # objects, sockets
2469	warn "reattaching attachments to maps";	3657	warn "reattaching attachments to maps";
2470	reattach $_ for values %MAP;	3658	reattach $_ for values %MAP;
		3659	warn "reattaching attachments to players";
		3660	reattach $_ for values %PLAYER;
2471		3661
2472	warn "loading reloadable resources";	3662	warn "leaving sync_job";
2473	load_resources;
2474		3663
2475	warn "restarting server ticker";	3664	1
2476		3665	} or do {
2477	$TICK_WATCHER->start;	3666	warn $@;
		3667	cf::cleanup "error while reloading, exiting.";
2478	};	3668	};
2479
2480	if ($@) {
2481	warn $@;
2482	warn "error while reloading, exiting.";
2483	exit 1;
2484	}
2485		3669
2486	warn "reloaded";	3670	warn "reloaded";
2487	};	3671	};
2488		3672
2489	our $RELOAD_WATCHER; # used only during reload	3673	our $RELOAD_WATCHER; # used only during reload
2490		3674
		3675	sub reload_perl() {
		3676	# doing reload synchronously and two reloads happen back-to-back,
		3677	# coro crashes during coro_state_free->destroy here.
		3678
		3679	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3680	do_reload_perl;
		3681	undef $RELOAD_WATCHER;
		3682	};
		3683	}
		3684
2491	register_command "reload" => sub {	3685	register_command "reload" => sub {
2492	my ($who, $arg) = @_;	3686	my ($who, $arg) = @_;
2493		3687
2494	if ($who->flag (FLAG_WIZ)) {	3688	if ($who->flag (FLAG_WIZ)) {
2495	$who->message ("reloading server.");	3689	$who->message ("reloading server.");
2496		3690	async {
2497	# doing reload synchronously and two reloads happen back-to-back,	3691	$Coro::current->{desc} = "perl_reload";
2498	# coro crashes during coro_state_free->destroy here.
2499
2500	$RELOAD_WATCHER ||= Event->timer (
2501	reentrant => 0,
2502	after => 0,
2503	data => WF_AUTOCANCEL,
2504	cb => sub {
2505	reload;	3692	reload_perl;
2506	undef $RELOAD_WATCHER;
2507	},
2508	);	3693	};
2509	}	3694	}
2510	};	3695	};
2511		3696
2512	unshift @INC, $LIBDIR;	3697	unshift @INC, $LIBDIR;
2513		3698
2514	my $bug_warning = 0;	3699	my $bug_warning = 0;
2515		3700
2516	$TICK_WATCHER = Event->timer (	3701	our @WAIT_FOR_TICK;
2517	reentrant => 0,	3702	our @WAIT_FOR_TICK_BEGIN;
2518	parked => 1,	3703
2519	prio => 0,	3704	sub wait_for_tick {
2520	at => $NEXT_TICK || $TICK,	3705	return if tick_inhibit || $Coro::current == $Coro::main;
2521	data => WF_AUTOCANCEL,	3706
2522	cb => sub {	3707	my $signal = new Coro::Signal;
		3708	push @WAIT_FOR_TICK, $signal;
		3709	$signal->wait;
		3710	}
		3711
		3712	sub wait_for_tick_begin {
		3713	return if tick_inhibit || $Coro::current == $Coro::main;
		3714
		3715	my $signal = new Coro::Signal;
		3716	push @WAIT_FOR_TICK_BEGIN, $signal;
		3717	$signal->wait;
		3718	}
		3719
		3720	sub tick {
2523	if ($Coro::current != $Coro::main) {	3721	if ($Coro::current != $Coro::main) {
2524	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3722	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2525	unless ++$bug_warning > 10;	3723	unless ++$bug_warning > 10;
2526	return;	3724	return;
2527	}	3725	}
2528		3726
2529	$NOW = Event::time;
2530
2531	cf::server_tick; # one server iteration	3727	cf::server_tick; # one server iteration
2532	$RUNTIME += $TICK;
2533	$NEXT_TICK += $TICK;
2534		3728
2535	$WAIT_FOR_TICK->broadcast;	3729	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2536	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3730	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		3731	Coro::async_pool {
		3732	$Coro::current->{desc} = "runtime saver";
		3733	write_runtime_sync
		3734	or warn "ERROR: unable to write runtime file: $!";
		3735	};
		3736	}
2537		3737
2538	Event::sweep;	3738	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2539	Coro::cede_notself;	3739	$sig->send;
		3740	}
		3741	while (my $sig = shift @WAIT_FOR_TICK) {
		3742	$sig->send;
		3743	}
		3744
		3745	$LOAD = ($NOW - $TICK_START) / $TICK;
		3746	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3747
		3748	if (0) {
		3749	if ($NEXT_TICK) {
		3750	my $jitter = $TICK_START - $NEXT_TICK;
		3751	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3752	warn "jitter $JITTER\n";#d#
2540		3753	}
2541	# my $AFTER = Event::time;
2542	# warn $AFTER - $NOW;#d#
2543
2544	# if we are delayed by four ticks or more, skip them all
2545	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2546
2547	$TICK_WATCHER->at ($NEXT_TICK);
2548	$TICK_WATCHER->start;
2549	},	3754	}
2550	);	3755	}
2551		3756
2552	{	3757	{
2553	BDB::max_poll_time $TICK * 0.1;	3758	# configure BDB
2554	$BDB_POLL_WATCHER = Event->io (	3759
2555	reentrant => 0,
2556	fd => BDB::poll_fileno,
2557	poll => 'r',
2558	prio => 0,
2559	data => WF_AUTOCANCEL,
2560	cb => \&BDB::poll_cb,
2561	);
2562	BDB::min_parallel 8;	3760	BDB::min_parallel 8;
2563		3761	BDB::max_poll_reqs $TICK * 0.1;
2564	BDB::set_sync_prepare {	3762	$Coro::BDB::WATCHER->priority (1);
2565	my $status;
2566	my $current = $Coro::current;
2567	(
2568	sub {
2569	$status = $!;
2570	$current->ready; undef $current;
2571	},
2572	sub {
2573	Coro::schedule while defined $current;
2574	$! = $status;
2575	},
2576	)
2577	};
2578		3763
2579	unless ($DB_ENV) {	3764	unless ($DB_ENV) {
2580	$DB_ENV = BDB::db_env_create;	3765	$DB_ENV = BDB::db_env_create;
		3766	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3767	| BDB::LOG_AUTOREMOVE, 1);
		3768	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3769	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2581		3770
2582	cf::sync_job {	3771	cf::sync_job {
2583	eval {	3772	eval {
2584	BDB::db_env_open	3773	BDB::db_env_open
2585	$DB_ENV,	3774	$DB_ENV,
2586	$BDB_ENV_DIR,	3775	$BDBDIR,
2587	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3776	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2588	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3777	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2589	0666;	3778	0666;
2590		3779
2591	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3780	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2592
2593	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2594	$DB_ENV->set_lk_detect;
2595	};	3781	};
2596		3782
2597	cf::cleanup "db_env_open(db): $@" if $@;	3783	cf::cleanup "db_env_open(db): $@" if $@;
2598	};	3784	};
2599	}	3785	}
		3786
		3787	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3788	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3789	};
		3790	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3791	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3792	};
		3793	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3794	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3795	};
2600	}	3796	}
2601		3797
2602	{	3798	{
		3799	# configure IO::AIO
		3800
2603	IO::AIO::min_parallel 8;	3801	IO::AIO::min_parallel 8;
2604
2605	undef $Coro::AIO::WATCHER;
2606	IO::AIO::max_poll_time $TICK * 0.1;	3802	IO::AIO::max_poll_time $TICK * 0.1;
2607	$AIO_POLL_WATCHER = Event->io (	3803	$Coro::AIO::WATCHER->priority (1);
2608	reentrant => 0,
2609	fd => IO::AIO::poll_fileno,
2610	poll => 'r',
2611	prio => 6,
2612	data => WF_AUTOCANCEL,
2613	cb => \&IO::AIO::poll_cb,
2614	);
2615	}	3804	}
2616		3805
2617	$WRITE_RUNTIME_WATCHER = Event->timer (	3806	my $_log_backtrace;
2618	reentrant => 0,	3807
2619	data => WF_AUTOCANCEL,	3808	sub _log_backtrace {
2620	after => 1,	3809	my ($msg, @addr) = @_;
2621	interval => 10,	3810
2622	prio => 6, # keep it lowest so it acts like a watchdog	3811	$msg =~ s/\n//;
2623	cb => Coro::unblock_sub {	3812
2624	write_runtime	3813	# limit the # of concurrent backtraces
2625	or warn "ERROR: unable to write runtime file: $!";	3814	if ($_log_backtrace < 2) {
		3815	++$_log_backtrace;
		3816	async {
		3817	$Coro::current->{desc} = "abt $msg";
		3818
		3819	my @bt = fork_call {
		3820	@addr = map { sprintf "%x", $_ } @addr;
		3821	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3822	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3823	or die "addr2line: $!";
		3824
		3825	my @funcs;
		3826	my @res = <$fh>;
		3827	chomp for @res;
		3828	while (@res) {
		3829	my ($func, $line) = splice @res, 0, 2, ();
		3830	push @funcs, "[$func] $line";
		3831	}
		3832
		3833	@funcs
		3834	};
		3835
		3836	LOG llevInfo, "[ABT] $msg\n";
		3837	LOG llevInfo, "[ABT] $_\n" for @bt;
		3838	--$_log_backtrace;
		3839	};
		3840	} else {
		3841	LOG llevInfo, "[ABT] $msg\n";
		3842	LOG llevInfo, "[ABT] [suppressed]\n";
2626	},	3843	}
2627	);	3844	}
		3845
		3846	# load additional modules
		3847	use cf::pod;
2628		3848
2629	END { cf::emergency_save }	3849	END { cf::emergency_save }
2630		3850
2631	1	3851	1
2632		3852

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