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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.209 by root, Mon Feb 12 01:25:55 2007 UTC vs.
Revision 1.426 by root, Thu Apr 24 04:40:31 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	my $runtime = cf::localdir . "/runtime";
362		533
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	534	Executes the given code block with the given arguments in a seperate
364	or return;	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.
365		538
366	my $value = $cf::RUNTIME + 90 + 10;	539	=cut
367	# 10 is the runtime save interval, for a monotonic clock
368	# 60 allows for the watchdog to kill the server.
369		540
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	541	sub fork_call(&@) {
371	and return;	542	my ($cb, @args) = @_;
372		543
373	# always fsync - this file is important	544	# we seemingly have to make a local copy of the whole thing,
374	aio_fsync $fh	545	# otherwise perl prematurely frees the stuff :/
375	and return;	546	# TODO: investigate and fix (likely this will be rather laborious)
376		547
377	close $fh	548	my @res = Coro::Util::fork_eval {
378	or return;	549	reset_signals;
		550	&$cb
		551	}, @args;
379		552
380	aio_rename "$runtime~", $runtime	553	wantarray ? @res : $res[-1]
381	and return;	554	}
382		555
		556	=item $coin = coin_from_name $name
		557
		558	=cut
		559
		560	our %coin_alias = (
		561	"silver" => "silvercoin",
		562	"silvercoin" => "silvercoin",
		563	"silvercoins" => "silvercoin",
		564	"gold" => "goldcoin",
		565	"goldcoin" => "goldcoin",
		566	"goldcoins" => "goldcoin",
		567	"platinum" => "platinacoin",
		568	"platinumcoin" => "platinacoin",
		569	"platinumcoins" => "platinacoin",
		570	"platina" => "platinacoin",
		571	"platinacoin" => "platinacoin",
		572	"platinacoins" => "platinacoin",
		573	"royalty" => "royalty",
		574	"royalties" => "royalty",
		575	);
		576
		577	sub coin_from_name($) {
		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($$) {
		625	my $key = "$_[0]/$_[1]";
		626
		627	cf::sync_job {
		628	BDB::db_get $DB, undef, $key, my $data;
		629
		630	$! ? ()
		631	: $data
383	1	632	}
		633	}
		634
		635	sub db_put($$$) {
		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 });
384	}	719	}
385		720
386	=back	721	=back
387		722
388	=cut	723	=cut
…		…
395	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")
396	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
397		732
398	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>
399	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
400	crossfire+).	735	Deliantra).
401		736
402	=over 4	737	=over 4
403		738
404	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
405		740
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	903	$registry = $CB_TYPE[$object_type] ||= [];
569		904
570	} elsif ($type eq "subtype") {	905	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	906	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	907	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	908	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		909
575	} elsif ($type eq "package") {	910	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	911	my $pkg = shift @arg;
577		912
578	while (my ($name, $id) = each %cb_id) {	913	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	942	_attach $registry, $klass, @attach;
608	}	943	}
609		944
610	$obj->{$name} = \%arg;	945	$obj->{$name} = \%arg;
611	} else {	946	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	947	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	948	}
614		949
615	$obj->{_attachment}{$name} = undef;	950	$obj->{_attachment}{$name} = undef;
616	}	951	}
617		952
…		…
619	if (ref $_[0]) {	954	if (ref $_[0]) {
620	_object_attach @_;	955	_object_attach @_;
621	} else {	956	} else {
622	_attach shift->_attach_registry, @_;	957	_attach shift->_attach_registry, @_;
623	}	958	}
		959	_recalc_want;
624	};	960	};
625		961
626	# all those should be optimised	962	# all those should be optimised
627	sub cf::attachable::detach {	963	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	964	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	967	delete $obj->{_attachment}{$name};
632	reattach ($obj);	968	reattach ($obj);
633	} else {	969	} else {
634	Carp::croak "cannot, currently, detach class attachments";	970	Carp::croak "cannot, currently, detach class attachments";
635	}	971	}
		972	_recalc_want;
636	};	973	};
637		974
638	sub cf::attachable::attached {	975	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	976	my ($obj, $name) = @_;
640		977
…		…
655	";	992	";
656	die if $@;	993	die if $@;
657	}	994	}
658		995
659	our $override;	996	our $override;
660	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?
661		998
662	sub override {	999	sub override {
663	$override = 1;	1000	$override = 1;
664	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
665	}	1002	}
666		1003
667	sub do_invoke {	1004	sub do_invoke {
668	my $event = shift;	1005	my $event = shift;
669	my $callbacks = shift;	1006	my $callbacks = shift;
670		1007
671	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
672		1009
673	local $override;	1010	local $override;
674		1011
675	for (@$callbacks) {	1012	for (@$callbacks) {
676	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
685	}	1022	}
686		1023
687	0	1024	0
688	}	1025	}
689		1026
690	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691		1028
692	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693		1030
694	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
695		1032
696	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
697	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
698	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		1036
700	=back	1037	=back
701		1038
702	=cut	1039	=cut
703		1040
704	#############################################################################	1041	#############################################################################
705	# 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, $ob2
		1084	}
706		1085
707	sub reattach {	1086	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1088	my ($obj) = @_;
710		1089
…		…
731	cf::attachable->attach (	1110	cf::attachable->attach (
732	prio => -1000000,	1111	prio => -1000000,
733	on_instantiate => sub {	1112	on_instantiate => sub {
734	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
735		1114
736	$data = from_json $data;	1115	$data = decode_json $data;
737		1116
738	for (@$data) {	1117	for (@$data) {
739	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
740		1119
741	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1136	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
759		1138
760	sync_job {	1139	sync_job {
761	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
764		1144
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1146	chmod SAVE_MODE, $fh;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1148	aio_fsync $fh if $cf::USE_FSYNC;
769	close $fh;	1149	close $fh;
770		1150
771	if (@$objs) {	1151	if (@$objs) {
772	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) {
773	chmod SAVE_MODE, $fh;	1153	chmod SAVE_MODE, $fh;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
776	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
777	close $fh;	1157	close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
779	}	1159	}
…		…
787	}	1167	}
788	} else {	1168	} else {
789	aio_unlink $filename;	1169	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
791	}	1171	}
792
793	#d##TODO# nuke non .map-files if exist
794	if ($filename =~ s/\.map$//) {
795	aio_unlink $filename;
796	aio_unlink "$filename.pst";
797	}
798	}	1172	};
799	}	1173	}
800		1174
801	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
802	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
803		1177
…		…
808		1182
809	sub object_thawer_load {	1183	sub object_thawer_load {
810	my ($filename) = @_;	1184	my ($filename) = @_;
811		1185
812	my ($data, $av);	1186	my ($data, $av);
813
814	#d#TODO remove .map if file does not exist
815	aio_stat $filename and $filename =~ s/\.map$//;
816		1187
817	(aio_load $filename, $data) >= 0	1188	(aio_load $filename, $data) >= 0
818	or return;	1189	or return;
819		1190
820	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
821	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
822	or return;	1193	or return;
		1194
823	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
824	}	1197	}
825		1198
		1199	utf8::decode (my $decname = $filename);
826	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
827	$filename, length $data, scalar @{$av || []};#d#	1201	$decname, length $data, scalar @{$av || []};
		1202
828	return ($data, $av);	1203	($data, $av)
829	}	1204	}
		1205
		1206	=head2 COMMAND CALLBACKS
		1207
		1208	=over 4
		1209
		1210	=cut
830		1211
831	#############################################################################	1212	#############################################################################
832	# command handling &c	1213	# command handling &c
833		1214
834	=item cf::register_command $name => \&callback($ob,$args);	1215	=item cf::register_command $name => \&callback($ob,$args);
…		…
847	push @{ $COMMAND{$name} }, [$caller, $cb];	1228	push @{ $COMMAND{$name} }, [$caller, $cb];
848	}	1229	}
849		1230
850	=item cf::register_extcmd $name => \&callback($pl,$packet);	1231	=item cf::register_extcmd $name => \&callback($pl,$packet);
851		1232
852	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.
853		1238
854	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
855	called.	1240	called.
856		1241
		1242	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1243
		1244	Register a callback for execution when the client sends an (asynchronous)
		1245	exticmd packet. Exti commands are processed by the server as soon as they
		1246	are received, i.e. out of order w.r.t. other commands. The first argument
		1247	is a client socket. Exti commands can be received anytime, even before
		1248	log-in.
		1249
		1250	If the callback returns something, it is sent back as if reply was being
		1251	called.
		1252
857	=cut	1253	=cut
858		1254
859	sub register_extcmd {	1255	sub register_extcmd {
860	my ($name, $cb) = @_;	1256	my ($name, $cb) = @_;
861		1257
862	$EXTCMD{$name} = $cb;	1258	$EXTCMD{$name} = $cb;
		1259	}
		1260
		1261	sub register_exticmd {
		1262	my ($name, $cb) = @_;
		1263
		1264	$EXTICMD{$name} = $cb;
863	}	1265	}
864		1266
865	cf::player->attach (	1267	cf::player->attach (
866	on_command => sub {	1268	on_command => sub {
867	my ($pl, $name, $params) = @_;	1269	my ($pl, $name, $params) = @_;
…		…
876	cf::override;	1278	cf::override;
877	},	1279	},
878	on_extcmd => sub {	1280	on_extcmd => sub {
879	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
880		1282
881	my $msg = eval { from_json $buf };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882		1284
883	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
884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
885	if (my %reply = $cb->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
886	$pl->ext_reply ($msg->{msgid}, %reply);
887	}
888	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
889	} else {	1300	} else {
890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
891	}	1302	}
892		1303
893	cf::override;	1304	cf::override;
894	},	1305	},
895	);	1306	);
896		1307
897	sub load_extension {
898	my ($path) = @_;
899
900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
901	my $base = $1;
902	my $pkg = $1;
903	$pkg =~ s/[^[:word:]]/_/g;
904	$pkg = "ext::$pkg";
905
906	warn "... loading '$path' into '$pkg'\n";
907
908	open my $fh, "<:utf8", $path
909	or die "$path: $!";
910
911	my $source =
912	"package $pkg; use strict; use utf8;\n"
913	. "#line 1 \"$path\"\n{\n"
914	. (do { local $/; <$fh> })
915	. "\n};\n1";
916
917	unless (eval $source) {
918	my $msg = $@ ? "$path: $@\n"
919	: "extension disabled.\n";
920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921	warn $@;
922	warn "mandatory extension failed to load, exiting.\n";
923	exit 1;
924	}
925	die $@;
926	}
927
928	push @EXTS, $pkg;
929	}
930
931	sub load_extensions {	1308	sub load_extensions {
		1309	cf::sync_job {
		1310	my %todo;
		1311
932	for my $ext (<$LIBDIR/*.ext>) {	1312	for my $path (<$LIBDIR/*.ext>) {
933	next unless -r $ext;	1313	next unless -r $path;
934	eval {	1314
935	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	$progress = 1;
936	1	1371	}
937	} or warn "$ext not loaded: $@";	1372
		1373	skip:
		1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1375	unless $progress;
		1376	}
938	}	1377	};
939	}	1378	}
940		1379
941	#############################################################################	1380	#############################################################################
942		1381
		1382	=back
		1383
943	=head2 CORE EXTENSIONS	1384	=head2 CORE EXTENSIONS
944		1385
945	Functions and methods that extend core crossfire objects.	1386	Functions and methods that extend core crossfire objects.
946		1387
947	=cut	1388	=cut
…		…
952		1393
953	=head3 cf::player	1394	=head3 cf::player
954		1395
955	=over 4	1396	=over 4
956		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
957	=item cf::player::find $login	1412	=item cf::player::find $login
958		1413
959	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
960		1415
961	=cut	1416	=cut
962		1417
963	sub playerdir($) {	1418	sub playerdir($) {
964	cf::localdir	1419	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1420	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1421	}
970		1422
971	sub path($) {	1423	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1424	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1425
974	(playerdir $login) . "/$login.pl"	1426	(playerdir $login) . "/playerdata"
975	}	1427	}
976		1428
977	sub find_active($) {	1429	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1430	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1431	and $cf::PLAYER{$_[0]}->active
…		…
992	my $login = $_[0];	1444	my $login = $_[0];
993		1445
994	my $guard = cf::lock_acquire "user_find:$login";	1446	my $guard = cf::lock_acquire "user_find:$login";
995		1447
996	$cf::PLAYER{$_[0]} || do {	1448	$cf::PLAYER{$_[0]} || do {
997	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
998	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;
999	$cf::PLAYER{$login} = $pl	1463	$cf::PLAYER{$login} = $pl
1000	}	1464	}
1001	}	1465	}
1002	}	1466	}
1003		1467
…		…
1012	return if $pl->{deny_save};	1476	return if $pl->{deny_save};
1013		1477
1014	aio_mkdir playerdir $pl, 0770;	1478	aio_mkdir playerdir $pl, 0770;
1015	$pl->{last_save} = $cf::RUNTIME;	1479	$pl->{last_save} = $cf::RUNTIME;
1016		1480
		1481	cf::get_slot 0.01;
		1482
1017	$pl->save_pl ($path);	1483	$pl->save_pl ($path);
1018	Coro::cede;	1484	cf::cede_to_tick;
1019	}	1485	}
1020		1486
1021	sub new($) {	1487	sub new($) {
1022	my ($login) = @_;	1488	my ($login) = @_;
1023		1489
…		…
1029	$cf::PLAYER{$login} = $self;	1495	$cf::PLAYER{$login} = $self;
1030		1496
1031	$self	1497	$self
1032	}	1498	}
1033		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
1034	=item $pl->quit_character	1510	=item $pl->quit_character
1035		1511
1036	Nukes the player without looking back. If logged in, the connection will	1512	Nukes the player without looking back. If logged in, the connection will
1037	be destroyed. May block for a long time.	1513	be destroyed. May block for a long time.
1038		1514
1039	=cut	1515	=cut
1040		1516
1041	sub quit_character {	1517	sub quit_character {
1042	my ($pl) = @_;	1518	my ($pl) = @_;
		1519
		1520	my $name = $pl->ob->name;
1043		1521
1044	$pl->{deny_save} = 1;	1522	$pl->{deny_save} = 1;
1045	$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
1046		1524
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1525	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1052	my $path = playerdir $pl;	1530	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1531	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1532	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1533	delete $cf::PLAYER{$pl->ob->name};
1056	$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
1057	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;
1058	}	1556	}
1059		1557
1060	=item cf::player::list_logins	1558	=item cf::player::list_logins
1061		1559
1062	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
1063	while and may block, so not sync_job-capable, ever.	1561	while and may block, so not sync_job-capable, ever.
1064		1562
1065	=cut	1563	=cut
1066		1564
1067	sub list_logins {	1565	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1566	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1567	or return [];
1070		1568
1071	my @logins;	1569	my @logins;
1072		1570
1073	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") {
1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1576	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1075	aio_read $fh, 0, 512, my $buf, 0 or next;	1577	aio_read $fh, 0, 512, my $buf, 0 or next;
1076	$buf !~ /^password -------------$/m or next; # official not-valid tag	1578	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1579	}
1077		1580
1078	utf8::decode $login;	1581	utf8::decode $login;
1079	push @logins, $login;	1582	push @logins, $login;
1080	}	1583	}
1081		1584
…		…
1108	}	1611	}
1109		1612
1110	\@paths	1613	\@paths
1111	}	1614	}
1112		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
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1709	=item $player->ext_reply ($msgid, @msg)
1114		1710
1115	Sends an ext reply to the player.	1711	Sends an ext reply to the player.
1116		1712
1117	=cut	1713	=cut
1118		1714
1119	sub ext_reply($$$%) {	1715	sub ext_reply($$@) {
1120	my ($self, $id, %msg) = @_;	1716	my ($self, $id, @msg) = @_;
1121		1717
1122	$msg{msgid} = $id;	1718	$self->ns->ext_reply ($id, @msg)
1123
1124	$self->send ("ext " . cf::to_json \%msg);
1125	}	1719	}
1126		1720
1127	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	}
1128		1761
1129	=back	1762	=back
1130
1131		1763
1132	=head3 cf::map	1764	=head3 cf::map
1133		1765
1134	=over 4	1766	=over 4
1135		1767
…		…
1147	our $MAX_RESET = 3600;	1779	our $MAX_RESET = 3600;
1148	our $DEFAULT_RESET = 3000;	1780	our $DEFAULT_RESET = 3000;
1149		1781
1150	sub generate_random_map {	1782	sub generate_random_map {
1151	my ($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
1152	# mit "rum" bekleckern, nicht	1787	# mit "rum" bekleckern, nicht
1153	$self->_create_random_map (	1788	$self->_create_random_map (
1154	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1789	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1155	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1790	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1156	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1791	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1190	my ($self, $merge) = @_;	1825	my ($self, $merge) = @_;
1191		1826
1192	# we have to keep some variables in memory intact	1827	# we have to keep some variables in memory intact
1193	local $self->{path};	1828	local $self->{path};
1194	local $self->{load_path};	1829	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		1830
1198	$self->SUPER::thawer_merge ($merge);	1831	$self->SUPER::thawer_merge ($merge);
1199	}	1832	}
1200		1833
1201	sub normalise {	1834	sub normalise {
…		…
1248	$self->init; # pass $1 etc.	1881	$self->init; # pass $1 etc.
1249	return $self;	1882	return $self;
1250	}	1883	}
1251	}	1884	}
1252		1885
1253	Carp::carp "unable to resolve path '$path' (base '$base').";	1886	Carp::cluck "unable to resolve path '$path' (base '$base').";
1254	()	1887	()
1255	}	1888	}
1256		1889
1257	sub init {	1890	sub init {
1258	my ($self) = @_;	1891	my ($self) = @_;
…		…
1273		1906
1274	# the original (read-only) location	1907	# the original (read-only) location
1275	sub load_path {	1908	sub load_path {
1276	my ($self) = @_;	1909	my ($self) = @_;
1277		1910
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1911	"$MAPDIR/$self->{path}.map"
1279	}	1912	}
1280		1913
1281	# the temporary/swap location	1914	# the temporary/swap location
1282	sub save_path {	1915	sub save_path {
1283	my ($self) = @_;	1916	my ($self) = @_;
1284		1917
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1918	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1919	"$TMPDIR/$path.map"
1287	}	1920	}
1288		1921
1289	# the unique path, undef == no special unique path	1922	# the unique path, undef == no special unique path
1290	sub uniq_path {	1923	sub uniq_path {
1291	my ($self) = @_;	1924	my ($self) = @_;
1292		1925
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1927	"$UNIQUEDIR/$path"
1295	}	1928	}
1296		1929
1297	# and all this just because we cannot iterate over	1930	# and all this just because we cannot iterate over
1298	# all maps in C++...	1931	# all maps in C++...
1299	sub change_all_map_light {	1932	sub change_all_map_light {
…		…
1301		1934
1302	$_->change_map_light ($change)	1935	$_->change_map_light ($change)
1303	for grep $_->outdoor, values %cf::MAP;	1936	for grep $_->outdoor, values %cf::MAP;
1304	}	1937	}
1305		1938
		1939	sub decay_objects {
		1940	my ($self) = @_;
		1941
		1942	return if $self->{deny_reset};
		1943
		1944	$self->do_decay_objects;
		1945	}
		1946
1306	sub unlink_save {	1947	sub unlink_save {
1307	my ($self) = @_;	1948	my ($self) = @_;
1308		1949
1309	utf8::encode (my $save = $self->save_path);	1950	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1951	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1952	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313	#d#TODO remove .map and also nuke
1314	$save =~ s/\.map// or return;#d#
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317	}	1953	}
1318		1954
1319	sub load_header_from($) {	1955	sub load_header_from($) {
1320	my ($self, $path) = @_;	1956	my ($self, $path) = @_;
1321		1957
1322	utf8::encode $path;	1958	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1959	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	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;
1328		1967
1329	$self->{load_path} = $path;	1968	$self->{load_path} = $path;
1330		1969
1331	1	1970	1
1332	}	1971	}
…		…
1371	$self->load_header_orig	2010	$self->load_header_orig
1372	or return;	2011	or return;
1373	$self->prepare_orig;	2012	$self->prepare_orig;
1374	}	2013	}
1375		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 $self->default_region;
		2020
1376	1	2021	1
1377	}	2022	}
1378		2023
1379	sub find;	2024	sub find;
1380	sub find {	2025	sub find {
1381	my ($path, $origin) = @_;	2026	my ($path, $origin) = @_;
1382		2027
1383	$path = normalise $path, $origin && $origin->path;	2028	$path = normalise $path, $origin && $origin->path;
1384		2029
		2030	cf::lock_wait "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	2031	cf::lock_wait "map_find:$path";
1386		2032
1387	$cf::MAP{$path} || do {	2033	$cf::MAP{$path} || do {
1388	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
1389	my $map = new_from_path cf::map $path	2037	my $map = new_from_path cf::map $path
1390	or return;	2038	or return;
1391		2039
1392	$map->{last_save} = $cf::RUNTIME;	2040	$map->{last_save} = $cf::RUNTIME;
1393		2041
1394	$map->load_header	2042	$map->load_header
1395	or return;	2043	or return;
1396		2044
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2045	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	2046	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	2047	#$cf::WAIT_FOR_TICK->wait;
		2048	undef $guard1;
		2049	undef $guard2;
1400	$map->reset;	2050	$map->reset;
1401	undef $guard;
1402	return find $path;	2051	return find $path;
1403	}	2052	}
1404		2053
1405	$cf::MAP{$path} = $map	2054	$cf::MAP{$path} = $map
1406	}	2055	}
…		…
1413	my ($self) = @_;	2062	my ($self) = @_;
1414		2063
1415	local $self->{deny_reset} = 1; # loading can take a long time	2064	local $self->{deny_reset} = 1; # loading can take a long time
1416		2065
1417	my $path = $self->{path};	2066	my $path = $self->{path};
		2067
		2068	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2069	my $guard = cf::lock_acquire "map_data:$path";
1419		2070
		2071	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2072	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		2073
1422	$self->in_memory (cf::MAP_LOADING);	2074	$self->in_memory (cf::MAP_LOADING);
1423		2075
1424	$self->alloc;	2076	$self->alloc;
1425		2077
1426	$self->pre_load;	2078	$self->pre_load;
		2079	cf::cede_to_tick;
1427		2080
1428	$self->_load_objects ($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)
1429	or return;	2084	or return;
1430		2085
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2086	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1432	if delete $self->{load_original};	2087	if delete $self->{load_original};
1433		2088
1434	if (my $uniq = $self->uniq_path) {	2089	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2090	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2091	unless (aio_stat $uniq) {
		2092	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2093	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2094	$self->_load_objects ($f);
		2095	$f->resolve_delayed_derefs;
		2096	}
1439	}	2097	}
1440	}	2098	}
1441		2099
1442	Coro::cede;	2100	$f->resolve_delayed_derefs;
1443		2101
		2102	cf::cede_to_tick;
1444	# now do the right thing for maps	2103	# now do the right thing for maps
1445	$self->link_multipart_objects;	2104	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2105	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2106	unless $self->difficulty;
1455	Coro::cede;	2107	cf::cede_to_tick;
		2108
		2109	unless ($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;
1456	$self->activate;	2116	$self->activate;
		2117	}
		2118
		2119	$self->{last_save} = $cf::RUNTIME;
		2120	$self->last_access ($cf::RUNTIME);
		2121
		2122	$self->in_memory (cf::MAP_ACTIVE);
1457	}	2123	}
1458		2124
1459	$self->post_load;	2125	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	2126	}
1463		2127
1464	sub customise_for {	2128	sub customise_for {
1465	my ($self, $ob) = @_;	2129	my ($self, $ob) = @_;
1466		2130
1467	return find "~" . $ob->name . "/" . $self->{path}	2131	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2132	if $self->per_player;
1469		2133
		2134	# return find "?party/" . $ob->name . "/" . $self->{path}
		2135	# if $self->per_party;
		2136
1470	$self	2137	$self
1471	}	2138	}
1472		2139
1473	# find and load all maps in the 3x3 area around a map	2140	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	2141	sub load_neighbours {
1475	my ($map) = @_;	2142	my ($map) = @_;
1476		2143
1477	my @diag; # diagonal neighbours	2144	my @neigh; # diagonal neighbours
1478		2145
1479	for (0 .. 3) {	2146	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2147	my $neigh = $map->tile_path ($_)
1481	or next;	2148	or next;
1482	$neigh = find $neigh, $map	2149	$neigh = find $neigh, $map
1483	or next;	2150	or next;
1484	$neigh->load;	2151	$neigh->load;
1485		2152
		2153	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2154	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2155	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2156	}
1489		2157
1490	for (@diag) {	2158	for (grep defined $_->[0], @neigh) {
		2159	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2160	my $neigh = find $path, $origin
1492	or next;	2161	or next;
1493	$neigh->load;	2162	$neigh->load;
1494	}	2163	}
1495	}	2164	}
1496		2165
…		…
1501	}	2170	}
1502		2171
1503	sub do_load_sync {	2172	sub do_load_sync {
1504	my ($map) = @_;	2173	my ($map) = @_;
1505		2174
		2175	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2176	if $Coro::current == $Coro::main;
		2177
1506	cf::sync_job { $map->load };	2178	cf::sync_job { $map->load };
1507	}	2179	}
1508		2180
1509	our %MAP_PREFETCH;	2181	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2182	our $MAP_PREFETCHER = undef;
1511		2183
1512	sub find_async {	2184	sub find_async {
1513	my ($path, $origin) = @_;	2185	my ($path, $origin, $load) = @_;
1514		2186
1515	$path = normalise $path, $origin && $origin->{path};	2187	$path = normalise $path, $origin && $origin->{path};
1516		2188
1517	if (my $map = $cf::MAP{$path}) {	2189	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2190	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519	}	2191	}
1520		2192
1521	undef $MAP_PREFETCH{$path};	2193	$MAP_PREFETCH{$path} |= $load;
		2194
1522	$MAP_PREFETCHER ||= cf::async {	2195	$MAP_PREFETCHER ||= cf::async {
		2196	$Coro::current->{desc} = "map prefetcher";
		2197
1523	while (%MAP_PREFETCH) {	2198	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2199	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2200	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2201	$map->load if $v;
		2202	}
1528		2203
1529	delete $MAP_PREFETCH{$path};	2204	delete $MAP_PREFETCH{$k};
1530	}	2205	}
1531	}	2206	}
1532	undef $MAP_PREFETCHER;	2207	undef $MAP_PREFETCHER;
1533	};	2208	};
1534	$MAP_PREFETCHER->prio (6);	2209	$MAP_PREFETCHER->prio (6);
…		…
1537	}	2212	}
1538		2213
1539	sub save {	2214	sub save {
1540	my ($self) = @_;	2215	my ($self) = @_;
1541		2216
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2217	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2218
1544	$self->{last_save} = $cf::RUNTIME;	2219	$self->{last_save} = $cf::RUNTIME;
1545		2220
1546	return unless $self->dirty;	2221	return unless $self->dirty;
1547		2222
…		…
1553	return if $self->{deny_save};	2228	return if $self->{deny_save};
1554		2229
1555	local $self->{last_access} = $self->last_access;#d#	2230	local $self->{last_access} = $self->last_access;#d#
1556		2231
1557	cf::async {	2232	cf::async {
		2233	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2234	$_->contr->save for $self->players;
1559	};	2235	};
		2236
		2237	cf::get_slot 0.02;
1560		2238
1561	if ($uniq) {	2239	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2240	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2241	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2242	} else {
…		…
1570	my ($self) = @_;	2248	my ($self) = @_;
1571		2249
1572	# save first because save cedes	2250	# save first because save cedes
1573	$self->save;	2251	$self->save;
1574		2252
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2254
1577	return if $self->players;	2255	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;	2256	return if $self->in_memory != cf::MAP_ACTIVE;
1579	return if $self->{deny_save};	2257	return if $self->{deny_save};
1580		2258
		2259	$self->in_memory (cf::MAP_SWAPPED);
		2260
		2261	$self->deactivate;
		2262	$_->clear_links_to ($self) for values %cf::MAP;
1581	$self->clear;	2263	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2264	}
1584		2265
1585	sub reset_at {	2266	sub reset_at {
1586	my ($self) = @_;	2267	my ($self) = @_;
1587		2268
1588	# TODO: safety, remove and allow resettable per-player maps	2269	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2270	return 1e99 if $self->{deny_reset};
1591		2271
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2272	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2273	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2274
…		…
1605	my ($self) = @_;	2285	my ($self) = @_;
1606		2286
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2287	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2288
1609	return if $self->players;	2289	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2290
1612	warn "resetting map ", $self->path;#d#	2291	warn "resetting map ", $self->path;
		2292
		2293	$self->in_memory (cf::MAP_SWAPPED);
		2294
		2295	# need to save uniques path
		2296	unless ($self->{deny_save}) {
		2297	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2298
		2299	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2300	if $uniq;
		2301	}
1613		2302
1614	delete $cf::MAP{$self->path};	2303	delete $cf::MAP{$self->path};
1615		2304
1616	$self->in_memory (cf::MAP_SWAPPED);	2305	$self->deactivate;
		2306	$_->clear_links_to ($self) for values %cf::MAP;
1617	$self->clear;	2307	$self->clear;
1618
1619	$_->clear_links_to ($self) for values %cf::MAP;
1620		2308
1621	$self->unlink_save;	2309	$self->unlink_save;
1622	$self->destroy;	2310	$self->destroy;
1623	}	2311	}
1624		2312
1625	my $nuke_counter = "aaaa";	2313	my $nuke_counter = "aaaa";
1626		2314
1627	sub nuke {	2315	sub nuke {
1628	my ($self) = @_;	2316	my ($self) = @_;
1629		2317
		2318	{
		2319	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2320
1630	delete $cf::MAP{$self->path};	2321	delete $cf::MAP{$self->path};
1631		2322
1632	$self->unlink_save;	2323	$self->unlink_save;
1633		2324
1634	bless $self, "cf::map";	2325	bless $self, "cf::map";
1635	delete $self->{deny_reset};	2326	delete $self->{deny_reset};
1636	$self->{deny_save} = 1;	2327	$self->{deny_save} = 1;
1637	$self->reset_timeout (1);	2328	$self->reset_timeout (1);
1638	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2329	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1639		2330
1640	$cf::MAP{$self->path} = $self;	2331	$cf::MAP{$self->path} = $self;
		2332	}
1641		2333
1642	$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	]
1643	}	2371	}
1644		2372
1645	=item cf::map::unique_maps	2373	=item cf::map::unique_maps
1646		2374
1647	Returns an arrayref of paths of all shared maps that have	2375	Returns an arrayref of paths of all shared maps that have
1648	instantiated unique items. May block.	2376	instantiated unique items. May block.
1649		2377
1650	=cut	2378	=cut
1651		2379
1652	sub unique_maps() {	2380	sub unique_maps() {
1653	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2381	[
1654	or return;	2382	map {
1655
1656	my @paths;
1657
1658	for (@$files) {
1659	utf8::decode $_;	2383	utf8::decode $_;
1660	next if /\.pst$/;	2384	s/\.map$//; # TODO future compatibility hack
1661	next unless /^$PATH_SEP/o;	2385	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1662		2386	? ()
1663	push @paths, cf::map::normalise $_;	2387	: normalise $_
		2388	} @{ aio_readdir $UNIQUEDIR or [] }
1664	}	2389	]
1665
1666	\@paths
1667	}	2390	}
1668
1669	package cf;
1670		2391
1671	=back	2392	=back
1672		2393
1673	=head3 cf::object	2394	=head3 cf::object
1674		2395
…		…
1678		2399
1679	=over 4	2400	=over 4
1680		2401
1681	=item $ob->inv_recursive	2402	=item $ob->inv_recursive
1682		2403
1683	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.
1684		2406
1685	=cut	2407	=cut
1686		2408
1687	sub inv_recursive_;	2409	sub inv_recursive_;
1688	sub inv_recursive_ {	2410	sub inv_recursive_ {
1689	map { $_, inv_recursive_ $_->inv } @_	2411	map { $_, inv_recursive_ $_->inv } @_
1690	}	2412	}
1691		2413
1692	sub inv_recursive {	2414	sub inv_recursive {
1693	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	}
1694	}	2444	}
1695		2445
1696	package cf;	2446	package cf;
1697		2447
1698	=back	2448	=back
…		…
1717		2467
1718	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2468	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1719		2469
1720	if ($self->{record_replies}) {	2470	if ($self->{record_replies}) {
1721	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2471	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2472
1722	} 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 {
1723	$msg = $npc->name . " says: $msg" if $npc;	2481	$msg = $npc->name . " says: $msg" if $npc;
1724	$self->message ($msg, $flags);	2482	$self->message ($msg, $flags);
		2483	}
1725	}	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 (@_);
1726	}	2495	}
1727		2496
1728	=item $player_object->may ("access")	2497	=item $player_object->may ("access")
1729		2498
1730	Returns wether the given player is authorized to access resource "access"	2499	Returns wether the given player is authorized to access resource "access"
…		…
1777	$self->deactivate_recursive;	2546	$self->deactivate_recursive;
1778		2547
1779	return if UNIVERSAL::isa $self->map, "ext::map_link";	2548	return if UNIVERSAL::isa $self->map, "ext::map_link";
1780		2549
1781	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2550	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1782	if $self->map;	2551	if $self->map && $self->map->{path} ne "{link}";
1783		2552
1784	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2553	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1785	}	2554	}
1786		2555
1787	sub cf::object::player::leave_link {	2556	sub cf::object::player::leave_link {
1788	my ($self, $map, $x, $y) = @_;	2557	my ($self, $map, $x, $y) = @_;
		2558
		2559	return unless $self->contr->active;
1789		2560
1790	my $link_pos = delete $self->{_link_pos};	2561	my $link_pos = delete $self->{_link_pos};
1791		2562
1792	unless ($map) {	2563	unless ($map) {
1793	# restore original map position	2564	# restore original map position
…		…
1807	# use -1 or undef as default coordinates, not 0, 0	2578	# use -1 or undef as default coordinates, not 0, 0
1808	($x, $y) = ($map->enter_x, $map->enter_y)	2579	($x, $y) = ($map->enter_x, $map->enter_y)
1809	if $x <=0 && $y <= 0;	2580	if $x <=0 && $y <= 0;
1810		2581
1811	$map->load;	2582	$map->load;
1812	$map->load_diag;	2583	$map->load_neighbours;
1813		2584
1814	return unless $self->contr->active;	2585	return unless $self->contr->active;
1815	$self->activate_recursive;	2586	$self->activate_recursive;
		2587
		2588	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1816	$self->enter_map ($map, $x, $y);	2589	$self->enter_map ($map, $x, $y);
1817	}	2590	}
1818		2591
1819	cf::player->attach (	2592	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1820	on_logout => sub {
1821	my ($pl) = @_;
1822		2593
1823	# abort map switching before logout	2594	Moves the player to the given map-path and coordinates by first freezing
1824	if ($pl->ob->{_link_pos}) {	2595	her, loading and preparing them map, calling the provided $check callback
1825	cf::sync_job {	2596	that has to return the map if sucecssful, and then unfreezes the player on
1826	$pl->ob->leave_link	2597	the new (success) or old (failed) map position. In either case, $done will
1827	};	2598	be called at the end of this process.
1828	}
1829	},
1830	on_login => sub {
1831	my ($pl) = @_;
1832		2599
1833	# try to abort aborted map switching on player login :)
1834	# should happen only on crashes
1835	if ($pl->ob->{_link_pos}) {
1836	$pl->ob->enter_link;
1837	(async {
1838	# we need this sleep as the login has a concurrent enter_exit running
1839	# and this sleep increases chances of the player not ending up in scorn
1840	$pl->ob->reply (undef,
1841	"There was an internal problem at your last logout, "
1842	. "the server will try to bring you to your intended destination in a second.",
1843	cf::NDI_RED);
1844	Coro::Timer::sleep 1;
1845	$pl->ob->leave_link;
1846	})->prio (2);
1847	}
1848	},
1849	);
1850
1851	=item $player_object->goto ($path, $x, $y)
1852
1853	=cut	2600	=cut
		2601
		2602	our $GOTOGEN;
1854		2603
1855	sub cf::object::player::goto {	2604	sub cf::object::player::goto {
1856	my ($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;
1857		2609
1858	$self->enter_link;	2610	$self->enter_link;
1859		2611
1860	(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
1861	my $map = eval {	2634	my $map = eval {
1862	my $map = cf::map::find $path;	2635	my $map = defined $path ? cf::map::find $path : undef;
		2636
		2637	if ($map) {
1863	$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
1864	$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 $@;
1865	} or	2650	}
1866	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1867		2651
		2652	if ($gen == $self->{_goto_generation}) {
		2653	delete $self->{_goto_generation};
1868	$self->leave_link ($map, $x, $y);	2654	$self->leave_link ($map, $x, $y);
		2655	}
		2656
		2657	$done->() if $done;
1869	})->prio (1);	2658	})->prio (1);
1870	}	2659	}
1871		2660
1872	=item $player_object->enter_exit ($exit_object)	2661	=item $player_object->enter_exit ($exit_object)
1873		2662
…		…
1910	$rmp->{origin_y} = $exit->y;	2699	$rmp->{origin_y} = $exit->y;
1911	}	2700	}
1912		2701
1913	$rmp->{random_seed} ||= $exit->random_seed;	2702	$rmp->{random_seed} ||= $exit->random_seed;
1914		2703
1915	my $data = cf::to_json $rmp;	2704	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1916	my $md5 = Digest::MD5::md5_hex $data;	2705	my $md5 = Digest::MD5::md5_hex $data;
1917	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2706	my $meta = "$RANDOMDIR/$md5.meta";
1918		2707
1919	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2708	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1920	aio_write $fh, 0, (length $data), $data, 0;	2709	aio_write $fh, 0, (length $data), $data, 0;
1921	undef $fh;	2710	undef $fh;
1922	aio_rename "$meta~", $meta;	2711	aio_rename "$meta~", $meta;
…		…
1931		2720
1932	return unless $self->type == cf::PLAYER;	2721	return unless $self->type == cf::PLAYER;
1933		2722
1934	if ($exit->slaying eq "/!") {	2723	if ($exit->slaying eq "/!") {
1935	#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
1936	cf::sync_job { prepare_random_map $exit };	2727	cf::sync_job { prepare_random_map $exit };
1937	}	2728	}
1938		2729
1939	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;
1940	my $hp = $exit->stats->hp;	2731	my $hp = $exit->stats->hp;
1941	my $sp = $exit->stats->sp;	2732	my $sp = $exit->stats->sp;
1942		2733
1943	$self->enter_link;	2734	$self->enter_link;
1944		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
1945	(async {	2740	(async {
		2741	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2742
1946	$self->deactivate_recursive; # just to be sure	2743	$self->deactivate_recursive; # just to be sure
1947	unless (eval {	2744	unless (eval {
1948	$self->goto ($slaying, $hp, $sp);	2745	$self->goto ($slaying, $hp, $sp);
1949		2746
1950	1;	2747	1;
1951	}) {	2748	}) {
1952	$self->message ("Something went wrong deep within the crossfire server. "	2749	$self->message ("Something went wrong deep within the crossfire server. "
1953	. "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. "
1954	. "Please report this to the dungeon master!",	2751	. "Please report this to the dungeon master!",
1955	cf::NDI_UNIQUE | cf::NDI_RED);	2752	cf::NDI_UNIQUE | cf::NDI_RED);
1956		2753
1957	warn "ERROR in enter_exit: $@";	2754	warn "ERROR in enter_exit: $@";
1958	$self->leave_link;	2755	$self->leave_link;
1959	}	2756	}
1960	})->prio (1);	2757	})->prio (1);
…		…
1973		2770
1974	sub cf::client::send_drawinfo {	2771	sub cf::client::send_drawinfo {
1975	my ($self, $text, $flags) = @_;	2772	my ($self, $text, $flags) = @_;
1976		2773
1977	utf8::encode $text;	2774	utf8::encode $text;
1978	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2775	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1979	}	2776	}
1980		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<$color> is negative, suppress
		2783	the message unless the client supports the msg packet.
		2784
		2785	=cut
		2786
		2787	# non-persistent channels (usually the info channel)
		2788	our %CHANNEL = (
		2789	"c/identify" => {
		2790	id => "infobox",
		2791	title => "Identify",
		2792	reply => undef,
		2793	tooltip => "Items recently identified",
		2794	},
		2795	"c/examine" => {
		2796	id => "infobox",
		2797	title => "Examine",
		2798	reply => undef,
		2799	tooltip => "Signs and other items you examined",
		2800	},
		2801	"c/book" => {
		2802	id => "infobox",
		2803	title => "Book",
		2804	reply => undef,
		2805	tooltip => "The contents of a note or book",
		2806	},
		2807	"c/lookat" => {
		2808	id => "infobox",
		2809	title => "Look",
		2810	reply => undef,
		2811	tooltip => "What you saw there",
		2812	},
		2813	"c/who" => {
		2814	id => "infobox",
		2815	title => "Players",
		2816	reply => undef,
		2817	tooltip => "Shows players who are currently online",
		2818	},
		2819	"c/body" => {
		2820	id => "infobox",
		2821	title => "Body Parts",
		2822	reply => undef,
		2823	tooltip => "Shows which body parts you posess and are available",
		2824	},
		2825	"c/uptime" => {
		2826	id => "infobox",
		2827	title => "Uptime",
		2828	reply => undef,
		2829	tooltip => "How long the server has been running since last restart",
		2830	},
		2831	"c/mapinfo" => {
		2832	id => "infobox",
		2833	title => "Map Info",
		2834	reply => undef,
		2835	tooltip => "Information related to the maps",
		2836	},
		2837	"c/party" => {
		2838	id => "party",
		2839	title => "Party",
		2840	reply => "gsay ",
		2841	tooltip => "Messages and chat related to your party",
		2842	},
		2843	);
		2844
		2845	sub cf::client::send_msg {
		2846	my ($self, $channel, $msg, $color, @extra) = @_;
		2847
		2848	$msg = $self->pl->expand_cfpod ($msg);
		2849
		2850	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2851
		2852	# check predefined channels, for the benefit of C
		2853	if ($CHANNEL{$channel}) {
		2854	$channel = $CHANNEL{$channel};
		2855
		2856	$self->ext_msg (channel_info => $channel)
		2857	if $self->can_msg;
		2858
		2859	$channel = $channel->{id};
		2860
		2861	} elsif (ref $channel) {
		2862	# send meta info to client, if not yet sent
		2863	unless (exists $self->{channel}{$channel->{id}}) {
		2864	$self->{channel}{$channel->{id}} = $channel;
		2865	$self->ext_msg (channel_info => $channel)
		2866	if $self->can_msg;
		2867	}
		2868
		2869	$channel = $channel->{id};
		2870	}
		2871
		2872	return unless @extra || length $msg;
		2873
		2874	if ($self->can_msg) {
		2875	# default colour, mask it out
		2876	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2877	if $color & cf::NDI_DEF;
		2878
		2879	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2880	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2881	} else {
		2882	if ($color >= 0) {
		2883	# replace some tags by gcfclient-compatible ones
		2884	for ($msg) {
		2885	1 while
		2886	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2887	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2888	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2889	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2890	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2891	}
		2892
		2893	$color &= cf::NDI_COLOR_MASK;
		2894
		2895	utf8::encode $msg;
		2896
		2897	if (0 && $msg =~ /\[/) {
		2898	# COMMAND/INFO
		2899	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2900	} else {
		2901	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2902	$self->send_packet ("drawinfo $color $msg")
		2903	}
		2904	}
		2905	}
		2906	}
		2907
		2908	=item $client->ext_msg ($type, @msg)
		2909
		2910	Sends an ext event to the client.
		2911
		2912	=cut
		2913
		2914	sub cf::client::ext_msg($$@) {
		2915	my ($self, $type, @msg) = @_;
		2916
		2917	if ($self->extcmd == 2) {
		2918	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2919	} elsif ($self->extcmd == 1) { # TODO: remove
		2920	push @msg, msgtype => "event_$type";
		2921	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2922	}
		2923	}
		2924
		2925	=item $client->ext_reply ($msgid, @msg)
		2926
		2927	Sends an ext reply to the client.
		2928
		2929	=cut
		2930
		2931	sub cf::client::ext_reply($$@) {
		2932	my ($self, $id, @msg) = @_;
		2933
		2934	if ($self->extcmd == 2) {
		2935	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2936	} elsif ($self->extcmd == 1) {
		2937	#TODO: version 1, remove
		2938	unshift @msg, msgtype => "reply", msgid => $id;
		2939	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2940	}
		2941	}
1981		2942
1982	=item $success = $client->query ($flags, "text", \&cb)	2943	=item $success = $client->query ($flags, "text", \&cb)
1983		2944
1984	Queues a query to the client, calling the given callback with	2945	Queues a query to the client, calling the given callback with
1985	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2946	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1986	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2947	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1987		2948
1988	Queries can fail, so check the return code. Or don't, as queries will become	2949	Queries can fail, so check the return code. Or don't, as queries will
1989	reliable at some point in the future.	2950	become reliable at some point in the future.
1990		2951
1991	=cut	2952	=cut
1992		2953
1993	sub cf::client::query {	2954	sub cf::client::query {
1994	my ($self, $flags, $text, $cb) = @_;	2955	my ($self, $flags, $text, $cb) = @_;
…		…
2002	utf8::encode $text;	2963	utf8::encode $text;
2003	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2964	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2004		2965
2005	$self->send_packet ($self->{query_queue}[0][0])	2966	$self->send_packet ($self->{query_queue}[0][0])
2006	if @{ $self->{query_queue} } == 1;	2967	if @{ $self->{query_queue} } == 1;
		2968
		2969	1
2007	}	2970	}
2008		2971
2009	cf::client->attach (	2972	cf::client->attach (
		2973	on_connect => sub {
		2974	my ($ns) = @_;
		2975
		2976	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2977	},
2010	on_reply => sub {	2978	on_reply => sub {
2011	my ($ns, $msg) = @_;	2979	my ($ns, $msg) = @_;
2012		2980
2013	# this weird shuffling is so that direct followup queries	2981	# this weird shuffling is so that direct followup queries
2014	# get handled first	2982	# get handled first
…		…
2026	} else {	2994	} else {
2027	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2995	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2028	}	2996	}
2029	}	2997	}
2030	},	2998	},
		2999	on_exticmd => sub {
		3000	my ($ns, $buf) = @_;
		3001
		3002	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3003
		3004	if (ref $msg) {
		3005	my ($type, $reply, @payload) =
		3006	"ARRAY" eq ref $msg
		3007	? @$msg
		3008	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3009
		3010	my @reply;
		3011
		3012	if (my $cb = $EXTICMD{$type}) {
		3013	@reply = $cb->($ns, @payload);
		3014	}
		3015
		3016	$ns->ext_reply ($reply, @reply)
		3017	if $reply;
		3018
		3019	} else {
		3020	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3021	}
		3022
		3023	cf::override;
		3024	},
2031	);	3025	);
2032		3026
2033	=item $client->async (\&cb)	3027	=item $client->async (\&cb)
2034		3028
2035	Create a new coroutine, running the specified callback. The coroutine will	3029	Create a new coroutine, running the specified callback. The coroutine will
…		…
2076	our $safe = new Safe "safe";	3070	our $safe = new Safe "safe";
2077	our $safe_hole = new Safe::Hole;	3071	our $safe_hole = new Safe::Hole;
2078		3072
2079	$SIG{FPE} = 'IGNORE';	3073	$SIG{FPE} = 'IGNORE';
2080		3074
2081	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3075	$safe->permit_only (Opcode::opset qw(
		3076	:base_core :base_mem :base_orig :base_math
		3077	grepstart grepwhile mapstart mapwhile
		3078	sort time
		3079	));
2082		3080
2083	# here we export the classes and methods available to script code	3081	# here we export the classes and methods available to script code
2084		3082
2085	=pod	3083	=pod
2086		3084
2087	The following fucntions and emthods are available within a safe environment:	3085	The following functions and methods are available within a safe environment:
2088		3086
2089	cf::object contr pay_amount pay_player map	3087	cf::object
		3088	contr pay_amount pay_player map x y force_find force_add destroy
		3089	insert remove name archname title slaying race decrease split
		3090
2090	cf::object::player player	3091	cf::object::player
2091	cf::player peaceful	3092	player
2092	cf::map trigger	3093
		3094	cf::player
		3095	peaceful
		3096
		3097	cf::map
		3098	trigger
2093		3099
2094	=cut	3100	=cut
2095		3101
2096	for (	3102	for (
2097	["cf::object" => qw(contr pay_amount pay_player map)],	3103	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3104	insert remove inv name archname title slaying race
		3105	decrease split destroy)],
2098	["cf::object::player" => qw(player)],	3106	["cf::object::player" => qw(player)],
2099	["cf::player" => qw(peaceful)],	3107	["cf::player" => qw(peaceful)],
2100	["cf::map" => qw(trigger)],	3108	["cf::map" => qw(trigger)],
2101	) {	3109	) {
2102	no strict 'refs';	3110	no strict 'refs';
…		…
2173	=back	3181	=back
2174		3182
2175	=cut	3183	=cut
2176		3184
2177	#############################################################################	3185	#############################################################################
		3186	# the server's init and main functions
2178		3187
2179	=head2 EXTENSION DATABASE SUPPORT	3188	sub load_facedata($) {
		3189	my ($path) = @_;
2180		3190
2181	Crossfire maintains a very simple database for extension use. It can	3191	# HACK to clear player env face cache, we need some signal framework
2182	currently store anything that can be serialised using Storable, which	3192	# for this (global event?)
2183	excludes objects.	3193	%ext::player_env::MUSIC_FACE_CACHE = ();
2184		3194
2185	The parameter C<$family> should best start with the name of the extension	3195	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2186	using it, it should be unique.
2187		3196
2188	=over 4	3197	warn "loading facedata from $path\n";
2189		3198
2190	=item $value = cf::db_get $family => $key	3199	my $facedata;
		3200	0 < aio_load $path, $facedata
		3201	or die "$path: $!";
2191		3202
2192	Returns a single value from the database.	3203	$facedata = Coro::Storable::thaw $facedata;
2193		3204
2194	=item cf::db_put $family => $key => $value	3205	$facedata->{version} == 2
		3206	or cf::cleanup "$path: version mismatch, cannot proceed.";
2195		3207
2196	Stores the given C<$value> in the family.	3208	# patch in the exptable
2197		3209	$facedata->{resource}{"res/exp_table"} = {
2198	=cut	3210	type => FT_RSRC,
2199		3211	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2200	our $DB;
2201
2202	unless ($DB) {
2203	$DB = BDB::db_create $DB_ENV;
2204
2205	cf::sync_job {
2206	eval {
2207	$DB->set_flags (BDB::CHKSUM);
2208
2209	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2210	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2211	cf::cleanup "db_open(db): $!" if $!;
2212	};
2213	cf::cleanup "db_open(db): $@" if $@;
2214	};	3212	};
		3213	cf::cede_to_tick;
2215		3214
2216	my $path = cf::localdir . "/database.pst";	3215	{
2217	if (stat $path) {	3216	my $faces = $facedata->{faceinfo};
2218	cf::sync_job {
2219	my $pst = Storable::retrieve $path;
2220		3217
2221	cf::db_put (board => data => $pst->{board});	3218	while (my ($face, $info) = each %$faces) {
2222	cf::db_put (guildrules => data => $pst->{guildrules});	3219	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2223	cf::db_put (rent => balance => $pst->{rent}{balance});
2224	BDB::db_env_txn_checkpoint $DB_ENV;
2225		3220
2226	unlink $path;	3221	cf::face::set_visibility $idx, $info->{visibility};
		3222	cf::face::set_magicmap $idx, $info->{magicmap};
		3223	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3224	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3225
		3226	cf::cede_to_tick;
2227	};	3227	}
		3228
		3229	while (my ($face, $info) = each %$faces) {
		3230	next unless $info->{smooth};
		3231
		3232	my $idx = cf::face::find $face
		3233	or next;
		3234
		3235	if (my $smooth = cf::face::find $info->{smooth}) {
		3236	cf::face::set_smooth $idx, $smooth;
		3237	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3238	} else {
		3239	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3240	}
		3241
		3242	cf::cede_to_tick;
		3243	}
		3244	}
		3245
2228	}	3246	{
2229	}	3247	my $anims = $facedata->{animinfo};
2230		3248
2231	sub db_get($$) {	3249	while (my ($anim, $info) = each %$anims) {
2232	my $key = "$_[0]/$_[1]";	3250	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3251	cf::cede_to_tick;
		3252	}
2233		3253
2234	cf::sync_job {	3254	cf::anim::invalidate_all; # d'oh
2235	BDB::db_get $DB, undef, $key, my $data;	3255	}
2236		3256
2237	$! ? ()
2238	: Compress::LZF::sthaw $data
2239	}	3257	{
2240	}	3258	# TODO: for gcfclient pleasure, we should give resources
		3259	# that gcfclient doesn't grok a >10000 face index.
		3260	my $res = $facedata->{resource};
2241		3261
2242	sub db_put($$$) {	3262	while (my ($name, $info) = each %$res) {
2243	BDB::dbreq_pri 4;	3263	if (defined $info->{type}) {
2244	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };	3264	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2245	}	3265	my $data;
2246		3266
2247	#############################################################################	3267	if ($info->{type} & 1) {
2248	# the server's init and main functions	3268	# prepend meta info
2249		3269
		3270	my $meta = $enc->encode ({
		3271	name => $name,
		3272	%{ $info->{meta} || {} },
		3273	});
		3274
		3275	$data = pack "(w/a*)*", $meta, $info->{data};
		3276	} else {
		3277	$data = $info->{data};
		3278	}
		3279
		3280	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3281	cf::face::set_type $idx, $info->{type};
		3282	} else {
		3283	$RESOURCE{$name} = $info;
		3284	}
		3285
		3286	cf::cede_to_tick;
		3287	}
		3288	}
		3289
		3290	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3291
		3292	1
		3293	}
		3294
		3295	cf::global->attach (on_resource_update => sub {
		3296	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3297	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3298
		3299	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3300	my $sound = $soundconf->{compat}[$_]
		3301	or next;
		3302
		3303	my $face = cf::face::find "sound/$sound->[1]";
		3304	cf::sound::set $sound->[0] => $face;
		3305	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3306	}
		3307
		3308	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3309	my $face = cf::face::find "sound/$v";
		3310	cf::sound::set $k => $face;
		3311	}
		3312	}
		3313	});
		3314
		3315	register_exticmd fx_want => sub {
		3316	my ($ns, $want) = @_;
		3317
		3318	while (my ($k, $v) = each %$want) {
		3319	$ns->fx_want ($k, $v);
		3320	}
		3321	};
		3322
2250	sub load_resources {	3323	sub load_resource_file($) {
2251	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3324	my $guard = lock_acquire "load_resource_file";
		3325
		3326	my $status = load_resource_file_ $_[0];
		3327	get_slot 0.1, 100;
		3328	cf::arch::commit_load;
		3329
		3330	$status
		3331	}
		3332
		3333	sub reload_regions {
		3334	# HACK to clear player env face cache, we need some signal framework
		3335	# for this (global event?)
		3336	%ext::player_env::MUSIC_FACE_CACHE = ();
		3337
		3338	load_resource_file "$MAPDIR/regions"
2252	or die "unable to load regions file\n";#d#	3339	or die "unable to load regions file\n";
2253	}
2254		3340
2255	sub cfg_load {	3341	for (cf::region::list) {
		3342	$_->{match} = qr/$_->{match}/
		3343	if exists $_->{match};
		3344	}
		3345	}
		3346
		3347	sub reload_facedata {
		3348	load_facedata "$DATADIR/facedata"
		3349	or die "unable to load facedata\n";
		3350	}
		3351
		3352	sub reload_archetypes {
		3353	load_resource_file "$DATADIR/archetypes"
		3354	or die "unable to load archetypes\n";
		3355	}
		3356
		3357	sub reload_treasures {
		3358	load_resource_file "$DATADIR/treasures"
		3359	or die "unable to load treasurelists\n";
		3360	}
		3361
		3362	sub reload_resources {
		3363	warn "reloading resource files...\n";
		3364
		3365	reload_facedata;
		3366	reload_archetypes;
		3367	reload_regions;
		3368	reload_treasures;
		3369
		3370	warn "finished reloading resource files\n";
		3371	}
		3372
		3373	sub init {
		3374	my $guard = freeze_mainloop;
		3375
		3376	reload_resources;
		3377	}
		3378
		3379	sub reload_config {
2256	open my $fh, "<:utf8", cf::confdir . "/config"	3380	open my $fh, "<:utf8", "$CONFDIR/config"
2257	or return;	3381	or return;
2258		3382
2259	local $/;	3383	local $/;
2260	*CFG = YAML::Syck::Load <$fh>;	3384	*CFG = YAML::Load <$fh>;
2261		3385
2262	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3386	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2263		3387
2264	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3388	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2265	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3389	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2271	};	3395	};
2272	warn $@ if $@;	3396	warn $@ if $@;
2273	}	3397	}
2274	}	3398	}
2275		3399
2276	sub init {
2277	load_resources;
2278	}
2279
2280	sub main {	3400	sub main {
2281	# we must not ever block the main coroutine	3401	# we must not ever block the main coroutine
2282	local $Coro::idle = sub {	3402	local $Coro::idle = sub {
2283	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3403	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2284	(async {	3404	(async {
2285	Event::one_event;	3405	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3406	EV::loop EV::LOOP_ONESHOT;
2286	})->prio (Coro::PRIO_MAX);	3407	})->prio (Coro::PRIO_MAX);
2287	};	3408	};
2288		3409
2289	cfg_load;	3410	{
		3411	my $guard = freeze_mainloop;
		3412	reload_config;
		3413	db_init;
2290	load_extensions;	3414	load_extensions;
2291		3415
2292	$TICK_WATCHER->start;	3416	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3417	evthread_start IO::AIO::poll_fileno;
		3418	}
		3419
2293	Event::loop;	3420	EV::loop;
2294	}	3421	}
2295		3422
2296	#############################################################################	3423	#############################################################################
2297	# initialisation and cleanup	3424	# initialisation and cleanup
2298		3425
2299	# install some emergency cleanup handlers	3426	# install some emergency cleanup handlers
2300	BEGIN {	3427	BEGIN {
		3428	our %SIGWATCHER = ();
2301	for my $signal (qw(INT HUP TERM)) {	3429	for my $signal (qw(INT HUP TERM)) {
2302	Event->signal (	3430	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2303	reentrant => 0,
2304	data => WF_AUTOCANCEL,
2305	signal => $signal,
2306	prio => 0,
2307	cb => sub {
2308	cf::cleanup "SIG$signal";	3431	cf::cleanup "SIG$signal";
2309	},
2310	);	3432	};
		3433	}
		3434	}
		3435
		3436	sub write_runtime_sync {
		3437	my $runtime = "$LOCALDIR/runtime";
		3438
		3439	# first touch the runtime file to show we are still running:
		3440	# the fsync below can take a very very long time.
		3441
		3442	IO::AIO::aio_utime $runtime, undef, undef;
		3443
		3444	my $guard = cf::lock_acquire "write_runtime";
		3445
		3446	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3447	or return;
		3448
		3449	my $value = $cf::RUNTIME + 90 + 10;
		3450	# 10 is the runtime save interval, for a monotonic clock
		3451	# 60 allows for the watchdog to kill the server.
		3452
		3453	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3454	and return;
		3455
		3456	# always fsync - this file is important
		3457	aio_fsync $fh
		3458	and return;
		3459
		3460	# touch it again to show we are up-to-date
		3461	aio_utime $fh, undef, undef;
		3462
		3463	close $fh
		3464	or return;
		3465
		3466	aio_rename "$runtime~", $runtime
		3467	and return;
		3468
		3469	warn "runtime file written.\n";
		3470
2311	}	3471	1
		3472	}
		3473
		3474	our $uuid_lock;
		3475	our $uuid_skip;
		3476
		3477	sub write_uuid_sync($) {
		3478	$uuid_skip ||= $_[0];
		3479
		3480	return if $uuid_lock;
		3481	local $uuid_lock = 1;
		3482
		3483	my $uuid = "$LOCALDIR/uuid";
		3484
		3485	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3486	or return;
		3487
		3488	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3489	$uuid_skip = 0;
		3490
		3491	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3492	and return;
		3493
		3494	# always fsync - this file is important
		3495	aio_fsync $fh
		3496	and return;
		3497
		3498	close $fh
		3499	or return;
		3500
		3501	aio_rename "$uuid~", $uuid
		3502	and return;
		3503
		3504	warn "uuid file written ($value).\n";
		3505
		3506	1
		3507
		3508	}
		3509
		3510	sub write_uuid($$) {
		3511	my ($skip, $sync) = @_;
		3512
		3513	$sync ? write_uuid_sync $skip
		3514	: async { write_uuid_sync $skip };
2312	}	3515	}
2313		3516
2314	sub emergency_save() {	3517	sub emergency_save() {
2315	my $freeze_guard = cf::freeze_mainloop;	3518	my $freeze_guard = cf::freeze_mainloop;
2316		3519
…		…
2322	# and maps saved/destroyed asynchronously.	3525	# and maps saved/destroyed asynchronously.
2323	warn "begin emergency player save\n";	3526	warn "begin emergency player save\n";
2324	for my $login (keys %cf::PLAYER) {	3527	for my $login (keys %cf::PLAYER) {
2325	my $pl = $cf::PLAYER{$login} or next;	3528	my $pl = $cf::PLAYER{$login} or next;
2326	$pl->valid or next;	3529	$pl->valid or next;
		3530	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2327	$pl->save;	3531	$pl->save;
2328	}	3532	}
2329	warn "end emergency player save\n";	3533	warn "end emergency player save\n";
2330		3534
2331	warn "begin emergency map save\n";	3535	warn "begin emergency map save\n";
…		…
2337	warn "end emergency map save\n";	3541	warn "end emergency map save\n";
2338		3542
2339	warn "begin emergency database checkpoint\n";	3543	warn "begin emergency database checkpoint\n";
2340	BDB::db_env_txn_checkpoint $DB_ENV;	3544	BDB::db_env_txn_checkpoint $DB_ENV;
2341	warn "end emergency database checkpoint\n";	3545	warn "end emergency database checkpoint\n";
		3546
		3547	warn "begin write uuid\n";
		3548	write_uuid_sync 1;
		3549	warn "end write uuid\n";
2342	};	3550	};
2343		3551
2344	warn "leave emergency perl save\n";	3552	warn "leave emergency perl save\n";
2345	}	3553	}
2346		3554
		3555	sub post_cleanup {
		3556	my ($make_core) = @_;
		3557
		3558	warn Carp::longmess "post_cleanup backtrace"
		3559	if $make_core;
		3560	}
		3561
2347	sub reload() {	3562	sub do_reload_perl() {
2348	# can/must only be called in main	3563	# can/must only be called in main
2349	if ($Coro::current != $Coro::main) {	3564	if ($Coro::current != $Coro::main) {
2350	warn "can only reload from main coroutine";	3565	warn "can only reload from main coroutine";
2351	return;	3566	return;
2352	}	3567	}
2353		3568
2354	warn "reloading...";	3569	warn "reloading...";
2355		3570
2356	warn "cancelling server ticker";	3571	warn "entering sync_job";
2357	$TICK_WATCHER->cancel;
2358		3572
		3573	cf::sync_job {
		3574	cf::write_runtime_sync; # external watchdog should not bark
2359	cf::emergency_save;	3575	cf::emergency_save;
		3576	cf::write_runtime_sync; # external watchdog should not bark
2360		3577
2361	eval {	3578	warn "syncing database to disk";
		3579	BDB::db_env_txn_checkpoint $DB_ENV;
		3580
2362	# if anything goes wrong in here, we should simply crash as we already saved	3581	# if anything goes wrong in here, we should simply crash as we already saved
2363
2364	warn "cancelling all WF_AUTOCANCEL watchers";
2365	for (Event::all_watchers) {
2366	$_->cancel if $_->data & WF_AUTOCANCEL;
2367	}
2368
2369	warn "syncing database to disk";
2370	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2371		3582
2372	warn "flushing outstanding aio requests";	3583	warn "flushing outstanding aio requests";
2373	for (;;) {	3584	for (;;) {
2374	BDB::flush;	3585	BDB::flush;
2375	IO::AIO::flush;	3586	IO::AIO::flush;
2376	Coro::cede;	3587	Coro::cede_notself;
2377	last unless IO::AIO::nreqs || BDB::nreqs;	3588	last unless IO::AIO::nreqs || BDB::nreqs;
2378	warn "iterate...";	3589	warn "iterate...";
2379	}	3590	}
		3591
		3592	++$RELOAD;
2380		3593
2381	warn "cancelling all extension coros";	3594	warn "cancelling all extension coros";
2382	$_->cancel for values %EXT_CORO;	3595	$_->cancel for values %EXT_CORO;
2383	%EXT_CORO = ();	3596	%EXT_CORO = ();
2384		3597
2385	warn "removing commands";	3598	warn "removing commands";
2386	%COMMAND = ();	3599	%COMMAND = ();
2387		3600
2388	warn "removing ext commands";	3601	warn "removing ext/exti commands";
2389	%EXTCMD = ();	3602	%EXTCMD = ();
		3603	%EXTICMD = ();
2390		3604
2391	warn "unloading/nuking all extensions";	3605	warn "unloading/nuking all extensions";
2392	for my $pkg (@EXTS) {	3606	for my $pkg (@EXTS) {
2393	warn "... unloading $pkg";	3607	warn "... unloading $pkg";
2394		3608
…		…
2424	Symbol::delete_package "safe::$_"	3638	Symbol::delete_package "safe::$_"
2425	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3639	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2426		3640
2427	warn "unloading cf.pm \"a bit\"";	3641	warn "unloading cf.pm \"a bit\"";
2428	delete $INC{"cf.pm"};	3642	delete $INC{"cf.pm"};
		3643	delete $INC{"cf/pod.pm"};
2429		3644
2430	# don't, removes xs symbols, too,	3645	# don't, removes xs symbols, too,
2431	# and global variables created in xs	3646	# and global variables created in xs
2432	#Symbol::delete_package __PACKAGE__;	3647	#Symbol::delete_package __PACKAGE__;
2433		3648
…		…
2436	warn "reloading cf.pm";	3651	warn "reloading cf.pm";
2437	require cf;	3652	require cf;
2438	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3653	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2439		3654
2440	warn "loading config and database again";	3655	warn "loading config and database again";
2441	cf::cfg_load;	3656	cf::reload_config;
2442		3657
2443	warn "loading extensions";	3658	warn "loading extensions";
2444	cf::load_extensions;	3659	cf::load_extensions;
2445		3660
2446	warn "reattaching attachments to objects/players";	3661	warn "reattaching attachments to objects/players";
2447	_global_reattach;	3662	_global_reattach; # objects, sockets
2448	warn "reattaching attachments to maps";	3663	warn "reattaching attachments to maps";
2449	reattach $_ for values %MAP;	3664	reattach $_ for values %MAP;
		3665	warn "reattaching attachments to players";
		3666	reattach $_ for values %PLAYER;
2450		3667
2451	warn "loading reloadable resources";	3668	warn "leaving sync_job";
2452	load_resources;
2453		3669
2454	warn "restarting server ticker";	3670	1
2455		3671	} or do {
2456	$TICK_WATCHER->start;	3672	warn $@;
		3673	cf::cleanup "error while reloading, exiting.";
2457	};	3674	};
2458
2459	if ($@) {
2460	warn $@;
2461	warn "error while reloading, exiting.";
2462	exit 1;
2463	}
2464		3675
2465	warn "reloaded";	3676	warn "reloaded";
2466	};	3677	};
2467		3678
2468	our $RELOAD_WATCHER; # used only during reload	3679	our $RELOAD_WATCHER; # used only during reload
2469		3680
		3681	sub reload_perl() {
		3682	# doing reload synchronously and two reloads happen back-to-back,
		3683	# coro crashes during coro_state_free->destroy here.
		3684
		3685	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3686	do_reload_perl;
		3687	undef $RELOAD_WATCHER;
		3688	};
		3689	}
		3690
2470	register_command "reload" => sub {	3691	register_command "reload" => sub {
2471	my ($who, $arg) = @_;	3692	my ($who, $arg) = @_;
2472		3693
2473	if ($who->flag (FLAG_WIZ)) {	3694	if ($who->flag (FLAG_WIZ)) {
2474	$who->message ("reloading server.");	3695	$who->message ("reloading server.");
2475		3696	async {
2476	# doing reload synchronously and two reloads happen back-to-back,	3697	$Coro::current->{desc} = "perl_reload";
2477	# coro crashes during coro_state_free->destroy here.
2478
2479	$RELOAD_WATCHER ||= Event->timer (
2480	reentrant => 0,
2481	after => 0,
2482	data => WF_AUTOCANCEL,
2483	cb => sub {
2484	reload;	3698	reload_perl;
2485	undef $RELOAD_WATCHER;
2486	},
2487	);	3699	};
2488	}	3700	}
2489	};	3701	};
2490		3702
2491	unshift @INC, $LIBDIR;	3703	unshift @INC, $LIBDIR;
2492		3704
2493	my $bug_warning = 0;	3705	my $bug_warning = 0;
2494		3706
2495	$TICK_WATCHER = Event->timer (	3707	our @WAIT_FOR_TICK;
2496	reentrant => 0,	3708	our @WAIT_FOR_TICK_BEGIN;
2497	parked => 1,	3709
2498	prio => 0,	3710	sub wait_for_tick {
2499	at => $NEXT_TICK || $TICK,	3711	return if tick_inhibit || $Coro::current == $Coro::main;
2500	data => WF_AUTOCANCEL,	3712
2501	cb => sub {	3713	my $signal = new Coro::Signal;
		3714	push @WAIT_FOR_TICK, $signal;
		3715	$signal->wait;
		3716	}
		3717
		3718	sub wait_for_tick_begin {
		3719	return if tick_inhibit || $Coro::current == $Coro::main;
		3720
		3721	my $signal = new Coro::Signal;
		3722	push @WAIT_FOR_TICK_BEGIN, $signal;
		3723	$signal->wait;
		3724	}
		3725
		3726	sub tick {
2502	if ($Coro::current != $Coro::main) {	3727	if ($Coro::current != $Coro::main) {
2503	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3728	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2504	unless ++$bug_warning > 10;	3729	unless ++$bug_warning > 10;
2505	return;	3730	return;
2506	}	3731	}
2507		3732
2508	$NOW = Event::time;
2509
2510	cf::server_tick; # one server iteration	3733	cf::server_tick; # one server iteration
2511	$RUNTIME += $TICK;
2512	$NEXT_TICK += $TICK;
2513		3734
2514	$WAIT_FOR_TICK->broadcast;	3735	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2515	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3736	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		3737	Coro::async_pool {
		3738	$Coro::current->{desc} = "runtime saver";
		3739	write_runtime_sync
		3740	or warn "ERROR: unable to write runtime file: $!";
		3741	};
		3742	}
2516		3743
2517	Event::sweep;	3744	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2518	Coro::cede_notself;	3745	$sig->send;
		3746	}
		3747	while (my $sig = shift @WAIT_FOR_TICK) {
		3748	$sig->send;
		3749	}
		3750
		3751	$LOAD = ($NOW - $TICK_START) / $TICK;
		3752	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3753
		3754	if (0) {
		3755	if ($NEXT_TICK) {
		3756	my $jitter = $TICK_START - $NEXT_TICK;
		3757	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3758	warn "jitter $JITTER\n";#d#
2519		3759	}
2520	# my $AFTER = Event::time;
2521	# warn $AFTER - $NOW;#d#
2522
2523	# if we are delayed by four ticks or more, skip them all
2524	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2525
2526	$TICK_WATCHER->at ($NEXT_TICK);
2527	$TICK_WATCHER->start;
2528	},	3760	}
2529	);	3761	}
2530		3762
2531	{	3763	{
2532	BDB::max_poll_time $TICK * 0.1;	3764	# configure BDB
2533	$BDB_POLL_WATCHER = Event->io (	3765
2534	reentrant => 0,
2535	fd => BDB::poll_fileno,
2536	poll => 'r',
2537	prio => 0,
2538	data => WF_AUTOCANCEL,
2539	cb => \&BDB::poll_cb,
2540	);
2541	BDB::min_parallel 8;	3766	BDB::min_parallel 8;
2542		3767	BDB::max_poll_reqs $TICK * 0.1;
2543	BDB::set_sync_prepare {	3768	$Coro::BDB::WATCHER->priority (1);
2544	my $status;
2545	my $current = $Coro::current;
2546	(
2547	sub {
2548	$status = $!;
2549	$current->ready; undef $current;
2550	},
2551	sub {
2552	Coro::schedule while defined $current;
2553	$! = $status;
2554	},
2555	)
2556	};
2557		3769
2558	unless ($DB_ENV) {	3770	unless ($DB_ENV) {
2559	$DB_ENV = BDB::db_env_create;	3771	$DB_ENV = BDB::db_env_create;
		3772	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3773	| BDB::LOG_AUTOREMOVE, 1);
		3774	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3775	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2560		3776
2561	cf::sync_job {	3777	cf::sync_job {
2562	eval {	3778	eval {
2563	BDB::db_env_open	3779	BDB::db_env_open
2564	$DB_ENV,	3780	$DB_ENV,
2565	$BDB_ENV_DIR,	3781	$BDBDIR,
2566	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3782	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2567	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3783	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2568	0666;	3784	0666;
2569		3785
2570	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3786	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2571
2572	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2573	$DB_ENV->set_lk_detect;
2574	};	3787	};
2575		3788
2576	cf::cleanup "db_env_open(db): $@" if $@;	3789	cf::cleanup "db_env_open(db): $@" if $@;
2577	};	3790	};
2578	}	3791	}
		3792
		3793	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3794	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3795	};
		3796	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3797	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3798	};
		3799	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3800	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3801	};
2579	}	3802	}
2580		3803
2581	{	3804	{
		3805	# configure IO::AIO
		3806
2582	IO::AIO::min_parallel 8;	3807	IO::AIO::min_parallel 8;
2583
2584	undef $Coro::AIO::WATCHER;
2585	IO::AIO::max_poll_time $TICK * 0.1;	3808	IO::AIO::max_poll_time $TICK * 0.1;
2586	$AIO_POLL_WATCHER = Event->io (	3809	$Coro::AIO::WATCHER->priority (1);
2587	reentrant => 0,
2588	fd => IO::AIO::poll_fileno,
2589	poll => 'r',
2590	prio => 6,
2591	data => WF_AUTOCANCEL,
2592	cb => \&IO::AIO::poll_cb,
2593	);
2594	}	3810	}
2595		3811
2596	$WRITE_RUNTIME_WATCHER = Event->timer (	3812	my $_log_backtrace;
2597	reentrant => 0,	3813
2598	data => WF_AUTOCANCEL,	3814	sub _log_backtrace {
2599	after => 1,	3815	my ($msg, @addr) = @_;
2600	interval => 10,	3816
2601	prio => 6, # keep it lowest so it acts like a watchdog	3817	$msg =~ s/\n//;
2602	cb => Coro::unblock_sub {	3818
2603	write_runtime	3819	# limit the # of concurrent backtraces
2604	or warn "ERROR: unable to write runtime file: $!";	3820	if ($_log_backtrace < 2) {
		3821	++$_log_backtrace;
		3822	async {
		3823	$Coro::current->{desc} = "abt $msg";
		3824
		3825	my @bt = fork_call {
		3826	@addr = map { sprintf "%x", $_ } @addr;
		3827	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3828	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3829	or die "addr2line: $!";
		3830
		3831	my @funcs;
		3832	my @res = <$fh>;
		3833	chomp for @res;
		3834	while (@res) {
		3835	my ($func, $line) = splice @res, 0, 2, ();
		3836	push @funcs, "[$func] $line";
		3837	}
		3838
		3839	@funcs
		3840	};
		3841
		3842	LOG llevInfo, "[ABT] $msg\n";
		3843	LOG llevInfo, "[ABT] $_\n" for @bt;
		3844	--$_log_backtrace;
		3845	};
		3846	} else {
		3847	LOG llevInfo, "[ABT] $msg\n";
		3848	LOG llevInfo, "[ABT] [suppressed]\n";
2605	},	3849	}
2606	);	3850	}
		3851
		3852	# load additional modules
		3853	use cf::pod;
2607		3854
2608	END { cf::emergency_save }	3855	END { cf::emergency_save }
2609		3856
2610	1	3857	1
2611		3858

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