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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.293 by root, Tue Jul 3 05:14:15 2007 UTC vs.
Revision 1.473 by root, Fri Jun 26 16:32:10 2009 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
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
25	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
26	use BDB ();	54	use BDB ();
27	use Data::Dumper;	55	use Data::Dumper;
28	use Digest::MD5;	56	use Digest::MD5;
29	use Fcntl;	57	use Fcntl;
30	use YAML::Syck ();	58	use YAML ();
31	use IO::AIO 2.32 ();	59	use IO::AIO ();
32	use Time::HiRes;	60	use Time::HiRes;
33	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
34		65
35	# configure various modules to our taste	66	# configure various modules to our taste
36	#	67	#
37	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
40
41	$Event::Eval = 1; # no idea why this is required, but it is
42
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		76
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
49		78
50	our %COMMAND = ();	79	our %COMMAND = ();
51	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
…		…
54	our %EXTCMD = ();	83	our %EXTCMD = ();
55	our %EXTICMD = ();	84	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
58		87
59	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	89	our @EVENT;
61		90
62	our $CONFDIR = confdir;	91	our $CONFDIR = confdir;
63	our $DATADIR = datadir;	92	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	93	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	94	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	95	our $MAPDIR = "$DATADIR/" . mapdir;
67	our $LOCALDIR = localdir;	96	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	100	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
73		106
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	109	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default on
81		111
		112	our $BDB_DEADLOCK_WATCHER;
		113	our $BDB_CHECKPOINT_WATCHER;
82	our $BDB_POLL_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
83	our $DB_ENV;	115	our $DB_ENV;
		116
		117	our @EXTRA_MODULES = qw(pod mapscript);
84		118
85	our %CFG;	119	our %CFG;
86		120
87	our $UPTIME; $UPTIME ||= time;	121	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;	122	our $RUNTIME;
		123	our $NOW;
89		124
90	our %PLAYER; # all users	125	our (%PLAYER, %PLAYER_LOADING); # all users
91	our %MAP; # all maps	126	our (%MAP, %MAP_LOADING ); # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	127	our $LINK_MAP; # the special {link} map, which is always available
93		128
94	# used to convert map paths into valid unix filenames by replacing / by ∕	129	# used to convert map paths into valid unix filenames by replacing / by ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	130	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		131
97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	132	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
98	our $LOADAVG; # same thing, but with alpha-smoothing	133	our $LOADAVG; # same thing, but with alpha-smoothing
		134	our $JITTER; # average jitter
99	our $tick_start; # for load detecting purposes	135	our $TICK_START; # for load detecting purposes
		136
		137	our @POST_INIT;
		138
		139	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
100		140
101	binmode STDOUT;	141	binmode STDOUT;
102	binmode STDERR;	142	binmode STDERR;
103		143
104	# read virtual server time, if available	144	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	145	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	146	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
109	}	149	}
		150
		151	eval "sub TICK() { $TICK } 1" or die;
110		152
111	mkdir $_	153	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	154	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
113		155
114	our $EMERGENCY_POSITION;	156	our $EMERGENCY_POSITION;
…		…
157		199
158	The raw value load value from the last tick.	200	The raw value load value from the last tick.
159		201
160	=item %cf::CFG	202	=item %cf::CFG
161		203
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	204	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	205	from wherever your confdir points to.
164		206
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	207	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		208
167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	209	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
168	returns directly I<after> the tick processing (and consequently, can only wake one process	210	returns directly I<after> the tick processing (and consequently, can only wake one process
169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	211	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
170		212
		213	=item @cf::INVOKE_RESULTS
		214
		215	This array contains the results of the last C<invoke ()> call. When
		216	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		217	that call.
		218
171	=back	219	=back
172		220
173	=cut	221	=cut
174		222
175	BEGIN {	223	BEGIN {
…		…
179	$msg .= "\n"	227	$msg .= "\n"
180	unless $msg =~ /\n$/;	228	unless $msg =~ /\n$/;
181		229
182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	230	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
183		231
184	utf8::encode $msg;
185	LOG llevError, $msg;	232	LOG llevError, $msg;
186	};	233	};
187	}	234	}
		235
		236	$Coro::State::DIEHOOK = sub {
		237	return unless $^S eq 0; # "eq", not "=="
		238
		239	if ($Coro::current == $Coro::main) {#d#
		240	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		241	return;#d#
		242	}#d#
		243
		244	# kill coroutine otherwise
		245	warn Carp::longmess $_[0];
		246	Coro::terminate
		247	};
		248
		249	$SIG{__DIE__} = sub { }; #d#?
188		250
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	251	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	252	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	253	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	254	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	261	for my $pkg (qw(
200	cf::global cf::attachable	262	cf::global cf::attachable
201	cf::object cf::object::player	263	cf::object cf::object::player
202	cf::client cf::player	264	cf::client cf::player
203	cf::arch cf::living	265	cf::arch cf::living
		266	cf::map cf::mapspace
204	cf::map cf::party cf::region	267	cf::party cf::region
205	)) {	268	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	269	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	270	}
209		271
210	$Event::DIED = sub {	272	$EV::DIED = sub {
211	warn "error in event callback: @_";	273	warn "error in event callback: @_";
212	};	274	};
213		275
214	#############################################################################	276	#############################################################################
215		277
…		…
238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	300	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
239	$d	301	$d
240	} || "[unable to dump $_[0]: '$@']";	302	} || "[unable to dump $_[0]: '$@']";
241	}	303	}
242		304
243	=item $ref = cf::from_json $json	305	=item $ref = cf::decode_json $json
244		306
245	Converts a JSON string into the corresponding perl data structure.	307	Converts a JSON string into the corresponding perl data structure.
246		308
247	=item $json = cf::to_json $ref	309	=item $json = cf::encode_json $ref
248		310
249	Converts a perl data structure into its JSON representation.	311	Converts a perl data structure into its JSON representation.
250		312
251	=cut	313	=cut
252		314
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	315	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		316
255	sub to_json ($) { $json_coder->encode ($_[0]) }	317	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[0]) }	318	sub decode_json($) { $json_coder->decode ($_[0]) }
		319
		320	=item cf::post_init { BLOCK }
		321
		322	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		323	but I<before> the server starts ticking again.
		324
		325	The cdoeblock will have a single boolean argument to indicate whether this
		326	is a reload or not.
		327
		328	=cut
		329
		330	sub post_init(&) {
		331	push @POST_INIT, shift;
		332	}
257		333
258	=item cf::lock_wait $string	334	=item cf::lock_wait $string
259		335
260	Wait until the given lock is available. See cf::lock_acquire.	336	Wait until the given lock is available. See cf::lock_acquire.
261		337
262	=item my $lock = cf::lock_acquire $string	338	=item my $lock = cf::lock_acquire $string
263		339
264	Wait until the given lock is available and then acquires it and returns	340	Wait until the given lock is available and then acquires it and returns
265	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	341	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
266	for example when the coroutine gets canceled), the lock is automatically	342	for example when the coroutine gets canceled), the lock is automatically
267	returned.	343	returned.
268		344
		345	Locks are *not* recursive, locking from the same coro twice results in a
		346	deadlocked coro.
		347
269	Lock names should begin with a unique identifier (for example, cf::map::find	348	Lock names should begin with a unique identifier (for example, cf::map::find
270	uses map_find and cf::map::load uses map_load).	349	uses map_find and cf::map::load uses map_load).
271		350
272	=item $locked = cf::lock_active $string	351	=item $locked = cf::lock_active $string
273		352
274	Return true if the lock is currently active, i.e. somebody has locked it.	353	Return true if the lock is currently active, i.e. somebody has locked it.
275		354
276	=cut	355	=cut
277		356
278	our %LOCK;	357	our $LOCKS = new Coro::SemaphoreSet;
279		358
280	sub lock_wait($) {	359	sub lock_wait($) {
281	my ($key) = @_;	360	$LOCKS->wait ($_[0]);
282
283	# wait for lock, if any
284	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;
287	}
288	}	361	}
289		362
290	sub lock_acquire($) {	363	sub lock_acquire($) {
291	my ($key) = @_;	364	$LOCKS->guard ($_[0])
292
293	# wait, to be sure we are not locked
294	lock_wait $key;
295
296	$LOCK{$key} = [];
297
298	Coro::guard {
299	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };
301	}
302	}	365	}
303		366
304	sub lock_active($) {	367	sub lock_active($) {
305	my ($key) = @_;	368	$LOCKS->count ($_[0]) < 1
306
307	! ! $LOCK{$key}
308	}	369	}
309		370
310	sub freeze_mainloop {	371	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	372	tick_inhibit_inc;
312		373
313	my $guard = Coro::guard {	374	&Guard::guard (\&tick_inhibit_dec);
314	$TICK_WATCHER->start;	375	}
		376
		377	=item cf::periodic $interval, $cb
		378
		379	Like EV::periodic, but randomly selects a starting point so that the actions
		380	get spread over timer.
		381
		382	=cut
		383
		384	sub periodic($$) {
		385	my ($interval, $cb) = @_;
		386
		387	my $start = rand List::Util::min 180, $interval;
		388
		389	EV::periodic $start, $interval, 0, $cb
		390	}
		391
		392	=item cf::get_slot $time[, $priority[, $name]]
		393
		394	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		395	This call blocks and returns only when you have at least C<$time> seconds
		396	of cpu time till the next tick. The slot is only valid till the next cede.
		397
		398	The optional C<$name> can be used to identify the job to run. It might be
		399	used for statistical purposes and should identify the same time-class.
		400
		401	Useful for short background jobs.
		402
		403	=cut
		404
		405	our @SLOT_QUEUE;
		406	our $SLOT_QUEUE;
		407
		408	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		409	$SLOT_QUEUE = Coro::async {
		410	$Coro::current->desc ("timeslot manager");
		411
		412	my $signal = new Coro::Signal;
		413
		414	while () {
		415	next_job:
		416	my $avail = cf::till_tick;
		417	if ($avail > 0.01) {
		418	for (0 .. $#SLOT_QUEUE) {
		419	if ($SLOT_QUEUE[$_][0] < $avail) {
		420	my $job = splice @SLOT_QUEUE, $_, 1, ();
		421	$job->[2]->send;
		422	Coro::cede;
		423	goto next_job;
		424	}
		425	}
		426	}
		427
		428	if (@SLOT_QUEUE) {
		429	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		430	push @cf::WAIT_FOR_TICK, $signal;
		431	$signal->wait;
		432	} else {
		433	Coro::schedule;
		434	}
315	};	435	}
316	$TICK_WATCHER->stop;	436	};
317	$guard	437
		438	sub get_slot($;$$) {
		439	return if tick_inhibit || $Coro::current == $Coro::main;
		440
		441	my ($time, $pri, $name) = @_;
		442
		443	$time = $TICK * .6 if $time > $TICK * .6;
		444	my $sig = new Coro::Signal;
		445
		446	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		447	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		448	$SLOT_QUEUE->ready;
		449	$sig->wait;
318	}	450	}
319		451
320	=item cf::async { BLOCK }	452	=item cf::async { BLOCK }
321		453
322	Currently the same as Coro::async_pool, meaning you cannot use	454	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		459
328	BEGIN { *async = \&Coro::async_pool }	460	BEGIN { *async = \&Coro::async_pool }
329		461
330	=item cf::sync_job { BLOCK }	462	=item cf::sync_job { BLOCK }
331		463
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	464	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	465	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	466	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	467	acceptable.
336		468
337	If it must be done, put the blocking parts into C<sync_job>. This will run	469	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	470	the given BLOCK in another coroutine while waiting for the result. The
…		…
343		475
344	sub sync_job(&) {	476	sub sync_job(&) {
345	my ($job) = @_;	477	my ($job) = @_;
346		478
347	if ($Coro::current == $Coro::main) {	479	if ($Coro::current == $Coro::main) {
348	my $time = Event::time;	480	my $time = EV::time;
349		481
350	# this is the main coro, too bad, we have to block	482	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	483	# till the operation succeeds, freezing the server :/
352		484
353	# TODO: use suspend/resume instead	485	LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	486
355	my $freeze_guard = freeze_mainloop;	487	my $freeze_guard = freeze_mainloop;
356		488
357	my $busy = 1;	489	my $busy = 1;
358	my @res;	490	my @res;
359		491
360	(async {	492	(async {
		493	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	494	@res = eval { $job->() };
362	warn $@ if $@;	495	warn $@ if $@;
363	undef $busy;	496	undef $busy;
364	})->prio (Coro::PRIO_MAX);	497	})->prio (Coro::PRIO_MAX);
365		498
366	while ($busy) {	499	while ($busy) {
367	Coro::cede or Event::one_event;	500	if (Coro::nready) {
		501	Coro::cede_notself;
		502	} else {
		503	EV::loop EV::LOOP_ONESHOT;
368	}	504	}
		505	}
369		506
370	$time = Event::time - $time;	507	my $time = EV::time - $time;
371		508
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	509	$TICK_START += $time; # do not account sync jobs to server load
376		510
377	wantarray ? @res : $res[0]	511	wantarray ? @res : $res[0]
378	} else {	512	} else {
379	# we are in another coroutine, how wonderful, everything just works	513	# we are in another coroutine, how wonderful, everything just works
380		514
…		…
405	=item fork_call { }, $args	539	=item fork_call { }, $args
406		540
407	Executes the given code block with the given arguments in a seperate	541	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	542	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	543	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	544	never block itself or use any form of event handling.
411		545
412	=cut	546	=cut
413		547
414	sub fork_call(&@) {	548	sub fork_call(&@) {
415	my ($cb, @args) = @_;	549	my ($cb, @args) = @_;
416		550
417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	551	# we seemingly have to make a local copy of the whole thing,
418	# or die "socketpair: $!";	552	# otherwise perl prematurely frees the stuff :/
419	pipe my $fh1, my $fh2	553	# TODO: investigate and fix (likely this will be rather laborious)
420	or die "pipe: $!";
421		554
422	if (my $pid = fork) {	555	my @res = Coro::Util::fork_eval {
423	close $fh2;
424
425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
426	$res = Coro::Storable::thaw $res;
427
428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
429
430	die $$res unless "ARRAY" eq ref $res;
431
432	return wantarray ? @$res : $res->[-1];
433	} else {
434	reset_signals;	556	reset_signals;
435	local $SIG{__WARN__};	557	&$cb
436	local $SIG{__DIE__};	558	}, @args;
437	eval {
438	close $fh1;
439		559
440	my @res = eval { $cb->(@args) };	560	wantarray ? @res : $res[-1]
441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);	561	}
442	};
443		562
444	warn $@ if $@;	563	=item $coin = coin_from_name $name
445	_exit 0;	564
446	}	565	=cut
		566
		567	our %coin_alias = (
		568	"silver" => "silvercoin",
		569	"silvercoin" => "silvercoin",
		570	"silvercoins" => "silvercoin",
		571	"gold" => "goldcoin",
		572	"goldcoin" => "goldcoin",
		573	"goldcoins" => "goldcoin",
		574	"platinum" => "platinacoin",
		575	"platinumcoin" => "platinacoin",
		576	"platinumcoins" => "platinacoin",
		577	"platina" => "platinacoin",
		578	"platinacoin" => "platinacoin",
		579	"platinacoins" => "platinacoin",
		580	"royalty" => "royalty",
		581	"royalties" => "royalty",
		582	);
		583
		584	sub coin_from_name($) {
		585	$coin_alias{$_[0]}
		586	? cf::arch::find $coin_alias{$_[0]}
		587	: undef
447	}	588	}
448		589
449	=item $value = cf::db_get $family => $key	590	=item $value = cf::db_get $family => $key
450		591
451	Returns a single value from the environment database.	592	Returns a single value from the environment database.
…		…
453	=item cf::db_put $family => $key => $value	594	=item cf::db_put $family => $key => $value
454		595
455	Stores the given C<$value> in the family. It can currently store binary	596	Stores the given C<$value> in the family. It can currently store binary
456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	597	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
457		598
		599	=item $db = cf::db_table "name"
		600
		601	Create and/or open a new database table. The string must not be "db" and must be unique
		602	within each server.
		603
458	=cut	604	=cut
		605
		606	sub db_table($) {
		607	my ($name) = @_;
		608	my $db = BDB::db_create $DB_ENV;
		609
		610	eval {
		611	$db->set_flags (BDB::CHKSUM);
		612
		613	utf8::encode $name;
		614	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		615	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		616	cf::cleanup "db_open(db): $!" if $!;
		617	};
		618	cf::cleanup "db_open(db): $@" if $@;
		619
		620	$db
		621	}
459		622
460	our $DB;	623	our $DB;
461		624
462	sub db_init {	625	sub db_init {
463	unless ($DB) {
464	$DB = BDB::db_create $DB_ENV;
465
466	cf::sync_job {	626	cf::sync_job {
467	eval {	627	$DB ||= db_table "db";
468	$DB->set_flags (BDB::CHKSUM);
469
470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
472	cf::cleanup "db_open(db): $!" if $!;
473	};
474	cf::cleanup "db_open(db): $@" if $@;
475	};
476	}	628	};
477	}	629	}
478		630
479	sub db_get($$) {	631	sub db_get($$) {
480	my $key = "$_[0]/$_[1]";	632	my $key = "$_[0]/$_[1]";
481		633
…		…
531	if (1) {	683	if (1) {
532	$md5 =	684	$md5 =
533	join "\x00",	685	join "\x00",
534	$processversion,	686	$processversion,
535	map {	687	map {
536	Coro::cede;	688	cf::cede_to_tick;
537	($src->[$_], Digest::MD5::md5_hex $data[$_])	689	($src->[$_], Digest::MD5::md5_hex $data[$_])
538	} 0.. $#$src;	690	} 0.. $#$src;
539		691
540		692
541	my $dbmd5 = db_get cache => "$id/md5";	693	my $dbmd5 = db_get cache => "$id/md5";
…		…
579		731
580	#############################################################################	732	#############################################################################
581		733
582	=head2 ATTACHABLE OBJECTS	734	=head2 ATTACHABLE OBJECTS
583		735
584	Many objects in crossfire are so-called attachable objects. That means you can	736	Many objects in deliantra are so-called attachable objects. That means you can
585	attach callbacks/event handlers (a collection of which is called an "attachment")	737	attach callbacks/event handlers (a collection of which is called an "attachment")
586	to it. All such attachable objects support the following methods.	738	to it. All such attachable objects support the following methods.
587		739
588	In the following description, CLASS can be any of C<global>, C<object>	740	In the following description, CLASS can be any of C<global>, C<object>
589	C<player>, C<client> or C<map> (i.e. the attachable objects in	741	C<player>, C<client> or C<map> (i.e. the attachable objects in
590	Crossfire TRT).	742	Deliantra).
591		743
592	=over 4	744	=over 4
593		745
594	=item $attachable->attach ($attachment, key => $value...)	746	=item $attachable->attach ($attachment, key => $value...)
595		747
…		…
639	=item cf::CLASS::attachment $name, ...	791	=item cf::CLASS::attachment $name, ...
640		792
641	Register an attachment by C<$name> through which attachable objects of the	793	Register an attachment by C<$name> through which attachable objects of the
642	given CLASS can refer to this attachment.	794	given CLASS can refer to this attachment.
643		795
644	Some classes such as crossfire maps and objects can specify attachments	796	Some classes such as deliantra maps and objects can specify attachments
645	that are attached at load/instantiate time, thus the need for a name.	797	that are attached at load/instantiate time, thus the need for a name.
646		798
647	These calls expect any number of the following handler/hook descriptions:	799	These calls expect any number of the following handler/hook descriptions:
648		800
649	=over 4	801	=over 4
…		…
847	";	999	";
848	die if $@;	1000	die if $@;
849	}	1001	}
850		1002
851	our $override;	1003	our $override;
852	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1004	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
853		1005
854	sub override {	1006	sub override {
855	$override = 1;	1007	$override = 1;
856	@invoke_results = ();	1008	@INVOKE_RESULTS = (@_);
857	}	1009	}
858		1010
859	sub do_invoke {	1011	sub do_invoke {
860	my $event = shift;	1012	my $event = shift;
861	my $callbacks = shift;	1013	my $callbacks = shift;
862		1014
863	@invoke_results = ();	1015	@INVOKE_RESULTS = ();
864		1016
865	local $override;	1017	local $override;
866		1018
867	for (@$callbacks) {	1019	for (@$callbacks) {
868	eval { &{$_->[1]} };	1020	eval { &{$_->[1]} };
…		…
877	}	1029	}
878		1030
879	0	1031	0
880	}	1032	}
881		1033
882	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
883		1035
884	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
885		1037
886	Generate an object-specific event with the given arguments.	1038	Generate an object-specific event with the given arguments.
887		1039
888	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1040	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
889	removed in future versions), and there is no public API to access override	1041	removed in future versions), and there is no public API to access override
890	results (if you must, access C<@cf::invoke_results> directly).	1042	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891		1043
892	=back	1044	=back
893		1045
894	=cut	1046	=cut
895		1047
896	#############################################################################	1048	#############################################################################
897	# object support	1049	# object support
		1050
		1051	sub _object_equal($$);
		1052	sub _object_equal($$) {
		1053	my ($a, $b) = @_;
		1054
		1055	return 0 unless (ref $a) eq (ref $b);
		1056
		1057	if ("HASH" eq ref $a) {
		1058	my @ka = keys %$a;
		1059	my @kb = keys %$b;
		1060
		1061	return 0 if @ka != @kb;
		1062
		1063	for (0 .. $#ka) {
		1064	return 0 unless $ka[$_] eq $kb[$_];
		1065	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1066	}
		1067
		1068	} elsif ("ARRAY" eq ref $a) {
		1069
		1070	return 0 if @$a != @$b;
		1071
		1072	for (0 .. $#$a) {
		1073	return 0 unless _object_equal $a->[$_], $b->[$_];
		1074	}
		1075
		1076	} elsif ($a ne $b) {
		1077	return 0;
		1078	}
		1079
		1080	1
		1081	}
		1082
		1083	our $SLOW_MERGES;#d#
		1084	sub _can_merge {
		1085	my ($ob1, $ob2) = @_;
		1086
		1087	++$SLOW_MERGES;#d#
		1088
		1089	# we do the slow way here
		1090	return _object_equal $ob1, $ob2
		1091	}
898		1092
899	sub reattach {	1093	sub reattach {
900	# basically do the same as instantiate, without calling instantiate	1094	# basically do the same as instantiate, without calling instantiate
901	my ($obj) = @_;	1095	my ($obj) = @_;
902		1096
		1097	# no longer needed after getting rid of delete_package?
903	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1098	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
904		1099
905	my $registry = $obj->registry;	1100	my $registry = $obj->registry;
906		1101
907	@$registry = ();	1102	@$registry = ();
908		1103
…		…
923	cf::attachable->attach (	1118	cf::attachable->attach (
924	prio => -1000000,	1119	prio => -1000000,
925	on_instantiate => sub {	1120	on_instantiate => sub {
926	my ($obj, $data) = @_;	1121	my ($obj, $data) = @_;
927		1122
928	$data = from_json $data;	1123	$data = decode_json $data;
929		1124
930	for (@$data) {	1125	for (@$data) {
931	my ($name, $args) = @$_;	1126	my ($name, $args) = @$_;
932		1127
933	$obj->attach ($name, %{$args || {} });	1128	$obj->attach ($name, %{$args || {} });
…		…
949	sub object_freezer_save {	1144	sub object_freezer_save {
950	my ($filename, $rdata, $objs) = @_;	1145	my ($filename, $rdata, $objs) = @_;
951		1146
952	sync_job {	1147	sync_job {
953	if (length $$rdata) {	1148	if (length $$rdata) {
		1149	utf8::decode (my $decname = $filename);
954	warn sprintf "saving %s (%d,%d)\n",	1150	warn sprintf "saving %s (%d,%d)\n",
955	$filename, length $$rdata, scalar @$objs;	1151	$decname, length $$rdata, scalar @$objs;
956		1152
957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1155	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960	aio_fsync $fh if $cf::USE_FSYNC;	1156	if ($cf::USE_FSYNC) {
		1157	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1158	aio_fsync $fh;
		1159	}
961	close $fh;	1160	aio_close $fh;
962		1161
963	if (@$objs) {	1162	if (@$objs) {
964	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1163	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
965	chmod SAVE_MODE, $fh;	1164	aio_chmod $fh, SAVE_MODE;
966	my $data = Storable::nfreeze { version => 1, objs => $objs };	1165	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967	aio_write $fh, 0, (length $data), $data, 0;	1166	aio_write $fh, 0, (length $data), $data, 0;
968	aio_fsync $fh if $cf::USE_FSYNC;	1167	if ($cf::USE_FSYNC) {
		1168	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1169	aio_fsync $fh;
		1170	}
969	close $fh;	1171	aio_close $fh;
970	aio_rename "$filename.pst~", "$filename.pst";	1172	aio_rename "$filename.pst~", "$filename.pst";
971	}	1173	}
972	} else {	1174	} else {
973	aio_unlink "$filename.pst";	1175	aio_unlink "$filename.pst";
974	}	1176	}
975		1177
976	aio_rename "$filename~", $filename;	1178	aio_rename "$filename~", $filename;
		1179
		1180	$filename =~ s%/[^/]+$%%;
		1181	aio_pathsync $filename if $cf::USE_FSYNC;
977	} else {	1182	} else {
978	warn "FATAL: $filename~: $!\n";	1183	warn "unable to save objects: $filename~: $!\n";
979	}	1184	}
980	} else {	1185	} else {
981	aio_unlink $filename;	1186	aio_unlink $filename;
982	aio_unlink "$filename.pst";	1187	aio_unlink "$filename.pst";
983	}	1188	}
984	}	1189	};
985	}	1190	}
986		1191
987	sub object_freezer_as_string {	1192	sub object_freezer_as_string {
988	my ($rdata, $objs) = @_;	1193	my ($rdata, $objs) = @_;
989		1194
…		…
1001	or return;	1206	or return;
1002		1207
1003	unless (aio_stat "$filename.pst") {	1208	unless (aio_stat "$filename.pst") {
1004	(aio_load "$filename.pst", $av) >= 0	1209	(aio_load "$filename.pst", $av) >= 0
1005	or return;	1210	or return;
		1211
1006	$av = eval { (Storable::thaw $av)->{objs} };	1212	my $st = eval { Coro::Storable::thaw $av };
		1213	$av = $st->{objs};
1007	}	1214	}
1008		1215
		1216	utf8::decode (my $decname = $filename);
1009	warn sprintf "loading %s (%d)\n",	1217	warn sprintf "loading %s (%d,%d)\n",
1010	$filename, length $data, scalar @{$av || []};	1218	$decname, length $data, scalar @{$av || []};
		1219
1011	return ($data, $av);	1220	($data, $av)
1012	}	1221	}
1013		1222
1014	=head2 COMMAND CALLBACKS	1223	=head2 COMMAND CALLBACKS
1015		1224
1016	=over 4	1225	=over 4
…		…
1070	my ($name, $cb) = @_;	1279	my ($name, $cb) = @_;
1071		1280
1072	$EXTICMD{$name} = $cb;	1281	$EXTICMD{$name} = $cb;
1073	}	1282	}
1074		1283
		1284	use File::Glob ();
		1285
1075	cf::player->attach (	1286	cf::player->attach (
1076	on_command => sub {	1287	on_command => sub {
1077	my ($pl, $name, $params) = @_;	1288	my ($pl, $name, $params) = @_;
1078		1289
1079	my $cb = $COMMAND{$name}	1290	my $cb = $COMMAND{$name}
…		…
1089	my ($pl, $buf) = @_;	1300	my ($pl, $buf) = @_;
1090		1301
1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1302	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092		1303
1093	if (ref $msg) {	1304	if (ref $msg) {
		1305	my ($type, $reply, @payload) =
		1306	"ARRAY" eq ref $msg
		1307	? @$msg
		1308	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1309
		1310	my @reply;
		1311
1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1312	if (my $cb = $EXTCMD{$type}) {
1095	if (my %reply = $cb->($pl, $msg)) {	1313	@reply = $cb->($pl, @payload);
1096	$pl->ext_reply ($msg->{msgid}, %reply);
1097	}
1098	}	1314	}
		1315
		1316	$pl->ext_reply ($reply, @reply)
		1317	if $reply;
		1318
1099	} else {	1319	} else {
1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1320	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101	}	1321	}
1102		1322
1103	cf::override;	1323	cf::override;
1104	},	1324	},
1105	);	1325	);
		1326
		1327	# "readahead" all extensions
		1328	sub cache_extensions {
		1329	my $grp = IO::AIO::aio_group;
		1330
		1331	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1332	for (grep /\.ext$/, @{$_[0]}) {
		1333	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1334	}
		1335	};
		1336
		1337	$grp
		1338	}
1106		1339
1107	sub load_extensions {	1340	sub load_extensions {
1108	cf::sync_job {	1341	cf::sync_job {
1109	my %todo;	1342	my %todo;
1110		1343
…		…
1130		1363
1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1364	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1365	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1133		1366
1134	$ext{source} =	1367	$ext{source} =
1135	"package $pkg; use strict; use utf8;\n"	1368	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1136	. "#line 1 \"$path\"\n{\n"	1369	. "#line 1 \"$path\"\n{\n"
1137	. $source	1370	. $source
1138	. "\n};\n1";	1371	. "\n};\n1";
1139		1372
1140	$todo{$base} = \%ext;	1373	$todo{$base} = \%ext;
…		…
1156	my $msg = $@ ? "$v->{path}: $@\n"	1389	my $msg = $@ ? "$v->{path}: $@\n"
1157	: "$v->{base}: extension inactive.\n";	1390	: "$v->{base}: extension inactive.\n";
1158		1391
1159	if (exists $v->{meta}{mandatory}) {	1392	if (exists $v->{meta}{mandatory}) {
1160	warn $msg;	1393	warn $msg;
1161	warn "mandatory extension failed to load, exiting.\n";	1394	cf::cleanup "mandatory extension failed to load, exiting.";
1162	exit 1;
1163	}	1395	}
1164		1396
1165	warn $msg;	1397	warn $msg;
1166	}	1398	}
1167		1399
…		…
1181		1413
1182	=back	1414	=back
1183		1415
1184	=head2 CORE EXTENSIONS	1416	=head2 CORE EXTENSIONS
1185		1417
1186	Functions and methods that extend core crossfire objects.	1418	Functions and methods that extend core deliantra objects.
1187		1419
1188	=cut	1420	=cut
1189		1421
1190	package cf::player;	1422	package cf::player;
1191		1423
1192	use Coro::AIO;	1424	use Coro::AIO;
1193		1425
1194	=head3 cf::player	1426	=head3 cf::player
1195		1427
1196	=over 4	1428	=over 4
		1429
		1430	=item cf::player::num_playing
		1431
		1432	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1433
		1434	=cut
		1435
		1436	sub num_playing {
		1437	scalar grep
		1438	$_->ob->map
		1439	&& !$_->hidden
		1440	&& !$_->ob->flag (cf::FLAG_WIZ),
		1441	cf::player::list
		1442	}
1197		1443
1198	=item cf::player::find $login	1444	=item cf::player::find $login
1199		1445
1200	Returns the given player object, loading it if necessary (might block).	1446	Returns the given player object, loading it if necessary (might block).
1201		1447
…		…
1220		1466
1221	sub exists($) {	1467	sub exists($) {
1222	my ($login) = @_;	1468	my ($login) = @_;
1223		1469
1224	$cf::PLAYER{$login}	1470	$cf::PLAYER{$login}
1225	or cf::sync_job { !aio_stat path $login }	1471	or !aio_stat path $login
1226	}	1472	}
1227		1473
1228	sub find($) {	1474	sub find($) {
1229	return $cf::PLAYER{$_[0]} || do {	1475	return $cf::PLAYER{$_[0]} || do {
1230	my $login = $_[0];	1476	my $login = $_[0];
…		…
1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1483	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1484	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1485	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240	aio_unlink +(playerdir $login) . "/$login.pl";	1486	aio_unlink +(playerdir $login) . "/$login.pl";
1241		1487
1242	my $pl = load_pl path $login	1488	my $f = new_from_file cf::object::thawer path $login
1243	or return;	1489	or return;
		1490
		1491	my $pl = cf::player::load_pl $f
		1492	or return;
		1493
		1494	local $cf::PLAYER_LOADING{$login} = $pl;
		1495	$f->resolve_delayed_derefs;
1244	$cf::PLAYER{$login} = $pl	1496	$cf::PLAYER{$login} = $pl
1245	}	1497	}
1246	}	1498	}
1247	}	1499	}
1248		1500
…		…
1257	return if $pl->{deny_save};	1509	return if $pl->{deny_save};
1258		1510
1259	aio_mkdir playerdir $pl, 0770;	1511	aio_mkdir playerdir $pl, 0770;
1260	$pl->{last_save} = $cf::RUNTIME;	1512	$pl->{last_save} = $cf::RUNTIME;
1261		1513
		1514	cf::get_slot 0.01;
		1515
1262	$pl->save_pl ($path);	1516	$pl->save_pl ($path);
1263	Coro::cede;	1517	cf::cede_to_tick;
1264	}	1518	}
1265		1519
1266	sub new($) {	1520	sub new($) {
1267	my ($login) = @_;	1521	my ($login) = @_;
1268		1522
…		…
1274	$cf::PLAYER{$login} = $self;	1528	$cf::PLAYER{$login} = $self;
1275		1529
1276	$self	1530	$self
1277	}	1531	}
1278		1532
		1533	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1534
		1535	=cut
		1536
		1537	sub send_msg {
		1538	my $ns = shift->ns
		1539	or return;
		1540	$ns->send_msg (@_);
		1541	}
		1542
1279	=item $pl->quit_character	1543	=item $pl->quit_character
1280		1544
1281	Nukes the player without looking back. If logged in, the connection will	1545	Nukes the player without looking back. If logged in, the connection will
1282	be destroyed. May block for a long time.	1546	be destroyed. May block for a long time.
1283		1547
…		…
1287	my ($pl) = @_;	1551	my ($pl) = @_;
1288		1552
1289	my $name = $pl->ob->name;	1553	my $name = $pl->ob->name;
1290		1554
1291	$pl->{deny_save} = 1;	1555	$pl->{deny_save} = 1;
1292	$pl->password ("*"); # this should lock out the player until we nuked the dir	1556	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1293		1557
1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1558	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1295	$pl->deactivate;	1559	$pl->deactivate;
		1560	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1561	$pl->ob->check_score;
1296	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1562	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1297	$pl->ns->destroy if $pl->ns;	1563	$pl->ns->destroy if $pl->ns;
1298		1564
1299	my $path = playerdir $pl;	1565	my $path = playerdir $pl;
1300	my $temp = "$path~$cf::RUNTIME~deleting~";	1566	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1336	or return [];	1602	or return [];
1337		1603
1338	my @logins;	1604	my @logins;
1339		1605
1340	for my $login (@$dirs) {	1606	for my $login (@$dirs) {
		1607	my $path = path $login;
		1608
		1609	# a .pst is a dead give-away for a valid player
		1610	# if no pst file found, open and chekc for blocked users
		1611	if (aio_stat "$path.pst") {
1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1612	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342	aio_read $fh, 0, 512, my $buf, 0 or next;	1613	aio_read $fh, 0, 512, my $buf, 0 or next;
1343	$buf !~ /^password -------------$/m or next; # official not-valid tag	1614	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1615	}
1344		1616
1345	utf8::decode $login;	1617	utf8::decode $login;
1346	push @logins, $login;	1618	push @logins, $login;
1347	}	1619	}
1348		1620
…		…
1375	}	1647	}
1376		1648
1377	\@paths	1649	\@paths
1378	}	1650	}
1379		1651
1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1652	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1381		1653
1382	Expand crossfire pod fragments into protocol xml.	1654	Expand deliantra pod fragments into protocol xml.
1383		1655
1384	=cut
1385
1386	sub expand_cfpod {
1387	((my $self), (local $_)) = @_;
1388
1389	# escape & and <
1390	s/&/&amp;/g;
1391	s/(?<![BIUGH])</&lt;/g;
1392
1393	# this is buggy, it needs to properly take care of nested <'s
1394
1395	1 while
1396	# replace B<>, I<>, U<> etc.
1397	s/B<([^\>]*)>/<b>$1<\/b>/
1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
1400	# replace G<male|female> tags
1401	|| s{G<([^>|]*)\|([^>]*)>}{
1402	$self->gender ? $2 : $1
1403	}ge
1404	# replace H<hint text>
1405	|| s{H<([^\>]*)>}
1406	{
1407	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1409	"")
1410	[$self->{hintmode}]
1411	}ge;
1412
1413	# create single paragraphs (very hackish)
1414	s/(?<=\S)\n(?=\w)/ /g;
1415
1416	# compress some whitespace
1417	1 while s/\s*\n\s*\n\s*/\n/;
1418
1419	s/^\s+//;
1420	s/\s+$//;
1421
1422	$_
1423	}
1424
1425	sub hintmode {
1426	$_[0]{hintmode} = $_[1] if @_ > 1;
1427	$_[0]{hintmode}
1428	}
1429
1430	=item $player->ext_reply ($msgid, %msg)	1656	=item $player->ext_reply ($msgid, @msg)
1431		1657
1432	Sends an ext reply to the player.	1658	Sends an ext reply to the player.
1433		1659
1434	=cut	1660	=cut
1435		1661
1436	sub ext_reply($$%) {	1662	sub ext_reply($$@) {
1437	my ($self, $id, %msg) = @_;	1663	my ($self, $id, @msg) = @_;
1438		1664
1439	$msg{msgid} = $id;	1665	$self->ns->ext_reply ($id, @msg)
1440	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1441	}	1666	}
1442		1667
1443	=item $player->ext_event ($type, %msg)	1668	=item $player->ext_msg ($type, @msg)
1444		1669
1445	Sends an ext event to the client.	1670	Sends an ext event to the client.
1446		1671
1447	=cut	1672	=cut
1448		1673
1449	sub ext_event($$%) {	1674	sub ext_msg($$@) {
1450	my ($self, $type, %msg) = @_;	1675	my ($self, $type, @msg) = @_;
1451		1676
1452	$self->ns->ext_event ($type, %msg);	1677	$self->ns->ext_msg ($type, @msg);
1453	}	1678	}
1454		1679
1455	=head3 cf::region	1680	=head3 cf::region
1456		1681
1457	=over 4	1682	=over 4
…		…
1470	my ($path) = @_;	1695	my ($path) = @_;
1471		1696
1472	my ($match, $specificity);	1697	my ($match, $specificity);
1473		1698
1474	for my $region (list) {	1699	for my $region (list) {
1475	if ($region->match && $path =~ $region->match) {	1700	if ($region->{match} && $path =~ $region->{match}) {
1476	($match, $specificity) = ($region, $region->specificity)	1701	($match, $specificity) = ($region, $region->specificity)
1477	if $region->specificity > $specificity;	1702	if $region->specificity > $specificity;
1478	}	1703	}
1479	}	1704	}
1480		1705
…		…
1501	our $MAX_RESET = 3600;	1726	our $MAX_RESET = 3600;
1502	our $DEFAULT_RESET = 3000;	1727	our $DEFAULT_RESET = 3000;
1503		1728
1504	sub generate_random_map {	1729	sub generate_random_map {
1505	my ($self, $rmp) = @_;	1730	my ($self, $rmp) = @_;
		1731
		1732	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1733
1506	# mit "rum" bekleckern, nicht	1734	# mit "rum" bekleckern, nicht
1507	$self->_create_random_map (	1735	$self->_create_random_map (
1508	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1736	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1509	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1737	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1510	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1738	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1600	$self->init; # pass $1 etc.	1828	$self->init; # pass $1 etc.
1601	return $self;	1829	return $self;
1602	}	1830	}
1603	}	1831	}
1604		1832
1605	Carp::carp "unable to resolve path '$path' (base '$base').";	1833	Carp::cluck "unable to resolve path '$path' (base '$base').";
1606	()	1834	()
1607	}	1835	}
1608		1836
1609	sub init {	1837	sub init {
1610	my ($self) = @_;	1838	my ($self) = @_;
…		…
1632		1860
1633	# the temporary/swap location	1861	# the temporary/swap location
1634	sub save_path {	1862	sub save_path {
1635	my ($self) = @_;	1863	my ($self) = @_;
1636		1864
1637	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1865	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1638	"$TMPDIR/$path.map"	1866	"$TMPDIR/$path.map"
1639	}	1867	}
1640		1868
1641	# the unique path, undef == no special unique path	1869	# the unique path, undef == no special unique path
1642	sub uniq_path {	1870	sub uniq_path {
1643	my ($self) = @_;	1871	my ($self) = @_;
1644		1872
1645	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1873	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1646	"$UNIQUEDIR/$path"	1874	"$UNIQUEDIR/$path"
1647	}
1648
1649	# and all this just because we cannot iterate over
1650	# all maps in C++...
1651	sub change_all_map_light {
1652	my ($change) = @_;
1653
1654	$_->change_map_light ($change)
1655	for grep $_->outdoor, values %cf::MAP;
1656	}	1875	}
1657		1876
1658	sub decay_objects {	1877	sub decay_objects {
1659	my ($self) = @_;	1878	my ($self) = @_;
1660		1879
…		…
1673		1892
1674	sub load_header_from($) {	1893	sub load_header_from($) {
1675	my ($self, $path) = @_;	1894	my ($self, $path) = @_;
1676		1895
1677	utf8::encode $path;	1896	utf8::encode $path;
1678	#aio_open $path, O_RDONLY, 0	1897	my $f = new_from_file cf::object::thawer $path
1679	# or return;
1680
1681	$self->_load_header ($path)
1682	or return;	1898	or return;
		1899
		1900	$self->_load_header ($f)
		1901	or return;
		1902
		1903	local $MAP_LOADING{$self->{path}} = $self;
		1904	$f->resolve_delayed_derefs;
1683		1905
1684	$self->{load_path} = $path;	1906	$self->{load_path} = $path;
1685		1907
1686	1	1908	1
1687	}	1909	}
…		…
1741	sub find {	1963	sub find {
1742	my ($path, $origin) = @_;	1964	my ($path, $origin) = @_;
1743		1965
1744	$path = normalise $path, $origin && $origin->path;	1966	$path = normalise $path, $origin && $origin->path;
1745		1967
		1968	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1746	cf::lock_wait "map_find:$path";	1969	my $guard2 = cf::lock_acquire "map_find:$path";
1747		1970
1748	$cf::MAP{$path} || do {	1971	$cf::MAP{$path} || do {
1749	my $guard = cf::lock_acquire "map_find:$path";
1750	my $map = new_from_path cf::map $path	1972	my $map = new_from_path cf::map $path
1751	or return;	1973	or return;
1752		1974
1753	$map->{last_save} = $cf::RUNTIME;	1975	$map->{last_save} = $cf::RUNTIME;
1754		1976
…		…
1756	or return;	1978	or return;
1757		1979
1758	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1980	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1759	# doing this can freeze the server in a sync job, obviously	1981	# doing this can freeze the server in a sync job, obviously
1760	#$cf::WAIT_FOR_TICK->wait;	1982	#$cf::WAIT_FOR_TICK->wait;
		1983	undef $guard2;
		1984	undef $guard1;
1761	$map->reset;	1985	$map->reset;
1762	undef $guard;
1763	return find $path;	1986	return find $path;
1764	}	1987	}
1765		1988
1766	$cf::MAP{$path} = $map	1989	$cf::MAP{$path} = $map
1767	}	1990	}
…		…
1776	local $self->{deny_reset} = 1; # loading can take a long time	1999	local $self->{deny_reset} = 1; # loading can take a long time
1777		2000
1778	my $path = $self->{path};	2001	my $path = $self->{path};
1779		2002
1780	{	2003	{
1781	my $guard = cf::lock_acquire "map_load:$path";	2004	my $guard = cf::lock_acquire "map_data:$path";
1782		2005
		2006	return unless $self->valid;
1783	return if $self->in_memory != cf::MAP_SWAPPED;	2007	return unless $self->in_memory == cf::MAP_SWAPPED;
1784		2008
1785	$self->in_memory (cf::MAP_LOADING);	2009	$self->in_memory (cf::MAP_LOADING);
1786		2010
1787	$self->alloc;	2011	$self->alloc;
1788		2012
1789	$self->pre_load;	2013	$self->pre_load;
1790	Coro::cede;	2014	cf::cede_to_tick;
1791		2015
		2016	my $f = new_from_file cf::object::thawer $self->{load_path};
		2017	$f->skip_block;
1792	$self->_load_objects ($self->{load_path}, 1)	2018	$self->_load_objects ($f)
1793	or return;	2019	or return;
1794		2020
1795	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2021	$self->post_load_original
1796	if delete $self->{load_original};	2022	if delete $self->{load_original};
1797		2023
1798	if (my $uniq = $self->uniq_path) {	2024	if (my $uniq = $self->uniq_path) {
1799	utf8::encode $uniq;	2025	utf8::encode $uniq;
1800	if (aio_open $uniq, O_RDONLY, 0) {	2026	unless (aio_stat $uniq) {
		2027	if (my $f = new_from_file cf::object::thawer $uniq) {
1801	$self->clear_unique_items;	2028	$self->clear_unique_items;
1802	$self->_load_objects ($uniq, 0);	2029	$self->_load_objects ($f);
		2030	$f->resolve_delayed_derefs;
		2031	}
1803	}	2032	}
1804	}	2033	}
1805		2034
1806	Coro::cede;	2035	$f->resolve_delayed_derefs;
		2036
		2037	cf::cede_to_tick;
1807	# now do the right thing for maps	2038	# now do the right thing for maps
1808	$self->link_multipart_objects;	2039	$self->link_multipart_objects;
1809	$self->difficulty ($self->estimate_difficulty)	2040	$self->difficulty ($self->estimate_difficulty)
1810	unless $self->difficulty;	2041	unless $self->difficulty;
1811	Coro::cede;	2042	cf::cede_to_tick;
1812		2043
1813	unless ($self->{deny_activate}) {	2044	unless ($self->{deny_activate}) {
1814	$self->decay_objects;	2045	$self->decay_objects;
1815	$self->fix_auto_apply;	2046	$self->fix_auto_apply;
1816	$self->update_buttons;	2047	$self->update_buttons;
1817	Coro::cede;	2048	cf::cede_to_tick;
1818	$self->set_darkness_map;
1819	Coro::cede;
1820	$self->activate;	2049	$self->activate;
1821	}	2050	}
1822		2051
		2052	$self->{last_save} = $cf::RUNTIME;
		2053	$self->last_access ($cf::RUNTIME);
		2054
1823	$self->in_memory (cf::MAP_IN_MEMORY);	2055	$self->in_memory (cf::MAP_ACTIVE);
1824	}	2056	}
1825		2057
1826	$self->post_load;	2058	$self->post_load;
1827	}	2059	}
1828		2060
…		…
1837		2069
1838	$self	2070	$self
1839	}	2071	}
1840		2072
1841	# find and load all maps in the 3x3 area around a map	2073	# find and load all maps in the 3x3 area around a map
1842	sub load_diag {	2074	sub load_neighbours {
1843	my ($map) = @_;	2075	my ($map) = @_;
1844		2076
1845	my @diag; # diagonal neighbours	2077	my @neigh; # diagonal neighbours
1846		2078
1847	for (0 .. 3) {	2079	for (0 .. 3) {
1848	my $neigh = $map->tile_path ($_)	2080	my $neigh = $map->tile_path ($_)
1849	or next;	2081	or next;
1850	$neigh = find $neigh, $map	2082	$neigh = find $neigh, $map
1851	or next;	2083	or next;
1852	$neigh->load;	2084	$neigh->load;
1853		2085
		2086	push @neigh,
1854	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2087	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1855	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2088	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1856	}	2089	}
1857		2090
1858	for (@diag) {	2091	for (grep defined $_->[0], @neigh) {
		2092	my ($path, $origin) = @$_;
1859	my $neigh = find @$_	2093	my $neigh = find $path, $origin
1860	or next;	2094	or next;
1861	$neigh->load;	2095	$neigh->load;
1862	}	2096	}
1863	}	2097	}
1864		2098
…		…
1869	}	2103	}
1870		2104
1871	sub do_load_sync {	2105	sub do_load_sync {
1872	my ($map) = @_;	2106	my ($map) = @_;
1873		2107
		2108	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2109	if $Coro::current == $Coro::main;
		2110
1874	cf::sync_job { $map->load };	2111	cf::sync_job { $map->load };
1875	}	2112	}
1876		2113
1877	our %MAP_PREFETCH;	2114	our %MAP_PREFETCH;
1878	our $MAP_PREFETCHER = undef;	2115	our $MAP_PREFETCHER = undef;
1879		2116
1880	sub find_async {	2117	sub find_async {
1881	my ($path, $origin) = @_;	2118	my ($path, $origin, $load) = @_;
1882		2119
1883	$path = normalise $path, $origin && $origin->{path};	2120	$path = normalise $path, $origin && $origin->{path};
1884		2121
1885	if (my $map = $cf::MAP{$path}) {	2122	if (my $map = $cf::MAP{$path}) {
1886	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2123	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1887	}	2124	}
1888		2125
1889	undef $MAP_PREFETCH{$path};	2126	$MAP_PREFETCH{$path} |= $load;
		2127
1890	$MAP_PREFETCHER ||= cf::async {	2128	$MAP_PREFETCHER ||= cf::async {
		2129	$Coro::current->{desc} = "map prefetcher";
		2130
1891	while (%MAP_PREFETCH) {	2131	while (%MAP_PREFETCH) {
1892	for my $path (keys %MAP_PREFETCH) {	2132	while (my ($k, $v) = each %MAP_PREFETCH) {
1893	my $map = find $path	2133	if (my $map = find $k) {
1894	or next;
1895	$map->load;	2134	$map->load if $v;
		2135	}
1896		2136
1897	delete $MAP_PREFETCH{$path};	2137	delete $MAP_PREFETCH{$k};
1898	}	2138	}
1899	}	2139	}
1900	undef $MAP_PREFETCHER;	2140	undef $MAP_PREFETCHER;
1901	};	2141	};
1902	$MAP_PREFETCHER->prio (6);	2142	$MAP_PREFETCHER->prio (6);
…		…
1905	}	2145	}
1906		2146
1907	sub save {	2147	sub save {
1908	my ($self) = @_;	2148	my ($self) = @_;
1909		2149
1910	my $lock = cf::lock_acquire "map_data:" . $self->path;	2150	my $lock = cf::lock_acquire "map_data:$self->{path}";
1911		2151
1912	$self->{last_save} = $cf::RUNTIME;	2152	$self->{last_save} = $cf::RUNTIME;
1913		2153
1914	return unless $self->dirty;	2154	return unless $self->dirty;
1915		2155
…		…
1921	return if $self->{deny_save};	2161	return if $self->{deny_save};
1922		2162
1923	local $self->{last_access} = $self->last_access;#d#	2163	local $self->{last_access} = $self->last_access;#d#
1924		2164
1925	cf::async {	2165	cf::async {
		2166	$Coro::current->{desc} = "map player save";
1926	$_->contr->save for $self->players;	2167	$_->contr->save for $self->players;
1927	};	2168	};
		2169
		2170	cf::get_slot 0.02;
1928		2171
1929	if ($uniq) {	2172	if ($uniq) {
1930	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2173	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1931	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2174	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1932	} else {	2175	} else {
…		…
1938	my ($self) = @_;	2181	my ($self) = @_;
1939		2182
1940	# save first because save cedes	2183	# save first because save cedes
1941	$self->save;	2184	$self->save;
1942		2185
1943	my $lock = cf::lock_acquire "map_data:" . $self->path;	2186	my $lock = cf::lock_acquire "map_data:$self->{path}";
1944		2187
1945	return if $self->players;	2188	return if $self->players;
1946	return if $self->in_memory != cf::MAP_IN_MEMORY;	2189	return if $self->in_memory != cf::MAP_ACTIVE;
1947	return if $self->{deny_save};	2190	return if $self->{deny_save};
1948		2191
		2192	$self->in_memory (cf::MAP_SWAPPED);
		2193
		2194	$self->deactivate;
		2195	$_->clear_links_to ($self) for values %cf::MAP;
1949	$self->clear;	2196	$self->clear;
1950	$self->in_memory (cf::MAP_SWAPPED);
1951	}	2197	}
1952		2198
1953	sub reset_at {	2199	sub reset_at {
1954	my ($self) = @_;	2200	my ($self) = @_;
1955		2201
…		…
1987	if $uniq;	2233	if $uniq;
1988	}	2234	}
1989		2235
1990	delete $cf::MAP{$self->path};	2236	delete $cf::MAP{$self->path};
1991		2237
		2238	$self->deactivate;
		2239	$_->clear_links_to ($self) for values %cf::MAP;
1992	$self->clear;	2240	$self->clear;
1993
1994	$_->clear_links_to ($self) for values %cf::MAP;
1995		2241
1996	$self->unlink_save;	2242	$self->unlink_save;
1997	$self->destroy;	2243	$self->destroy;
1998	}	2244	}
1999		2245
2000	my $nuke_counter = "aaaa";	2246	my $nuke_counter = "aaaa";
2001		2247
2002	sub nuke {	2248	sub nuke {
2003	my ($self) = @_;	2249	my ($self) = @_;
2004		2250
		2251	{
		2252	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2253
2005	delete $cf::MAP{$self->path};	2254	delete $cf::MAP{$self->path};
2006		2255
2007	$self->unlink_save;	2256	$self->unlink_save;
2008		2257
2009	bless $self, "cf::map";	2258	bless $self, "cf::map";
2010	delete $self->{deny_reset};	2259	delete $self->{deny_reset};
2011	$self->{deny_save} = 1;	2260	$self->{deny_save} = 1;
2012	$self->reset_timeout (1);	2261	$self->reset_timeout (1);
2013	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2262	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2014		2263
2015	$cf::MAP{$self->path} = $self;	2264	$cf::MAP{$self->path} = $self;
		2265	}
2016		2266
2017	$self->reset; # polite request, might not happen	2267	$self->reset; # polite request, might not happen
2018	}	2268	}
2019		2269
2020	=item $maps = cf::map::tmp_maps	2270	=item $maps = cf::map::tmp_maps
…		…
2062		2312
2063	sub unique_maps() {	2313	sub unique_maps() {
2064	[	2314	[
2065	map {	2315	map {
2066	utf8::decode $_;	2316	utf8::decode $_;
2067	/\.map$/	2317	s/\.map$//; # TODO future compatibility hack
		2318	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2319	? ()
2068	? normalise $_	2320	: normalise $_
2069	: ()
2070	} @{ aio_readdir $UNIQUEDIR or [] }	2321	} @{ aio_readdir $UNIQUEDIR or [] }
2071	]	2322	]
2072	}	2323	}
2073		2324
2074	package cf;
2075
2076	=back	2325	=back
2077		2326
2078	=head3 cf::object	2327	=head3 cf::object
2079		2328
2080	=cut	2329	=cut
…		…
2083		2332
2084	=over 4	2333	=over 4
2085		2334
2086	=item $ob->inv_recursive	2335	=item $ob->inv_recursive
2087		2336
2088	Returns the inventory of the object _and_ their inventories, recursively.	2337	Returns the inventory of the object I<and> their inventories, recursively,
		2338	but I<not> the object itself.
2089		2339
2090	=cut	2340	=cut
2091		2341
2092	sub inv_recursive_;	2342	sub inv_recursive_;
2093	sub inv_recursive_ {	2343	sub inv_recursive_ {
…		…
2096		2346
2097	sub inv_recursive {	2347	sub inv_recursive {
2098	inv_recursive_ inv $_[0]	2348	inv_recursive_ inv $_[0]
2099	}	2349	}
2100		2350
		2351	=item $ref = $ob->ref
		2352
		2353	Creates and returns a persistent reference to an object that can be stored as a string.
		2354
		2355	=item $ob = cf::object::deref ($refstring)
		2356
		2357	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2358	even if the object actually exists. May block.
		2359
		2360	=cut
		2361
		2362	sub deref {
		2363	my ($ref) = @_;
		2364
		2365	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2366	my ($uuid, $name) = ($1, $2);
		2367	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2368	or return;
		2369	$pl->ob->uuid eq $uuid
		2370	or return;
		2371
		2372	$pl->ob
		2373	} else {
		2374	warn "$ref: cannot resolve object reference\n";
		2375	undef
		2376	}
		2377	}
		2378
2101	package cf;	2379	package cf;
2102		2380
2103	=back	2381	=back
2104		2382
2105	=head3 cf::object::player	2383	=head3 cf::object::player
…		…
2111	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2389	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2112	can be C<undef>. Does the right thing when the player is currently in a	2390	can be C<undef>. Does the right thing when the player is currently in a
2113	dialogue with the given NPC character.	2391	dialogue with the given NPC character.
2114		2392
2115	=cut	2393	=cut
		2394
		2395	our $SAY_CHANNEL = {
		2396	id => "say",
		2397	title => "Map",
		2398	reply => "say ",
		2399	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2400	};
		2401
		2402	our $CHAT_CHANNEL = {
		2403	id => "chat",
		2404	title => "Chat",
		2405	reply => "chat ",
		2406	tooltip => "Player chat and shouts, global to the server.",
		2407	};
2116		2408
2117	# rough implementation of a future "reply" method that works	2409	# rough implementation of a future "reply" method that works
2118	# with dialog boxes.	2410	# with dialog boxes.
2119	#TODO: the first argument must go, split into a $npc->reply_to ( method	2411	#TODO: the first argument must go, split into a $npc->reply_to ( method
2120	sub cf::object::player::reply($$$;$) {	2412	sub cf::object::player::reply($$$;$) {
…		…
2127		2419
2128	} else {	2420	} else {
2129	my $pl = $self->contr;	2421	my $pl = $self->contr;
2130		2422
2131	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2423	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2132	my $diag = $pl->{npc_dialog};	2424	my $dialog = $pl->{npc_dialog};
2133	$diag->{pl}->ext_reply (	2425	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2134	$diag->{id},
2135	msgtype => "reply",
2136	msg => $diag->{pl}->expand_cfpod ($msg),
2137	add_topics => []
2138	);
2139		2426
2140	} else {	2427	} else {
2141	$msg = $npc->name . " says: $msg" if $npc;	2428	$msg = $npc->name . " says: $msg" if $npc;
2142	$self->message ($msg, $flags);	2429	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2143	}	2430	}
2144	}	2431	}
		2432	}
		2433
		2434	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2435
		2436	=cut
		2437
		2438	sub cf::object::send_msg {
		2439	my $pl = shift->contr
		2440	or return;
		2441	$pl->send_msg (@_);
2145	}	2442	}
2146		2443
2147	=item $player_object->may ("access")	2444	=item $player_object->may ("access")
2148		2445
2149	Returns wether the given player is authorized to access resource "access"	2446	Returns wether the given player is authorized to access resource "access"
…		…
2162		2459
2163	=item $player_object->enter_link	2460	=item $player_object->enter_link
2164		2461
2165	Freezes the player and moves him/her to a special map (C<{link}>).	2462	Freezes the player and moves him/her to a special map (C<{link}>).
2166		2463
2167	The player should be reasonably safe there for short amounts of time. You	2464	The player should be reasonably safe there for short amounts of time (e.g.
2168	I<MUST> call C<leave_link> as soon as possible, though.	2465	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2466	though, as the palyer cannot control the character while it is on the link
		2467	map.
2169		2468
2170	Will never block.	2469	Will never block.
2171		2470
2172	=item $player_object->leave_link ($map, $x, $y)	2471	=item $player_object->leave_link ($map, $x, $y)
2173		2472
…		…
2228	# use -1 or undef as default coordinates, not 0, 0	2527	# use -1 or undef as default coordinates, not 0, 0
2229	($x, $y) = ($map->enter_x, $map->enter_y)	2528	($x, $y) = ($map->enter_x, $map->enter_y)
2230	if $x <=0 && $y <= 0;	2529	if $x <=0 && $y <= 0;
2231		2530
2232	$map->load;	2531	$map->load;
2233	$map->load_diag;	2532	$map->load_neighbours;
2234		2533
2235	return unless $self->contr->active;	2534	return unless $self->contr->active;
		2535	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2236	$self->activate_recursive;	2536	$self->activate_recursive;
2237		2537
2238	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2538	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2239	$self->enter_map ($map, $x, $y);	2539	$self->enter_map ($map, $x, $y);
2240	}	2540	}
2241		2541
2242	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2542	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2243		2543
2244	Moves the player to the given map-path and coordinates by first freezing	2544	Moves the player to the given map-path and coordinates by first freezing
2245	her, loading and preparing them map, calling the provided $check callback	2545	her, loading and preparing them map, calling the provided $check callback
2246	that has to return the map if sucecssful, and then unfreezes the player on	2546	that has to return the map if sucecssful, and then unfreezes the player on
2247	the new (success) or old (failed) map position.	2547	the new (success) or old (failed) map position. In either case, $done will
		2548	be called at the end of this process.
		2549
		2550	Note that $check will be called with a potentially non-loaded map, so if
		2551	it needs a loaded map it has to call C<< ->load >>.
2248		2552
2249	=cut	2553	=cut
2250		2554
2251	our $GOTOGEN;	2555	our $GOTOGEN;
2252		2556
2253	sub cf::object::player::goto {	2557	sub cf::object::player::goto {
2254	my ($self, $path, $x, $y, $check) = @_;	2558	my ($self, $path, $x, $y, $check, $done) = @_;
2255		2559
2256	# do generation counting so two concurrent goto's will be executed in-order	2560	# do generation counting so two concurrent goto's will be executed in-order
2257	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2561	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2258		2562
2259	$self->enter_link;	2563	$self->enter_link;
2260		2564
2261	(async {	2565	(async {
		2566	$Coro::current->{desc} = "player::goto $path $x $y";
		2567
		2568	# *tag paths override both path and x|y
		2569	if ($path =~ /^\*(.*)$/) {
		2570	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2571	my $ob = $obs[rand @obs];
		2572
		2573	# see if we actually can go there
		2574	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2575	$ob = $obs[rand @obs];
		2576	} else {
		2577	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2578	}
		2579	# else put us there anyways for now #d#
		2580
		2581	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2582	} else {
		2583	($path, $x, $y) = (undef, undef, undef);
		2584	}
		2585	}
		2586
2262	my $map = eval {	2587	my $map = eval {
2263	my $map = cf::map::find $path;	2588	my $map = defined $path ? cf::map::find $path : undef;
2264		2589
2265	if ($map) {	2590	if ($map) {
2266	$map = $map->customise_for ($self);	2591	$map = $map->customise_for ($self);
2267	$map = $check->($map) if $check && $map;	2592	$map = $check->($map) if $check && $map;
2268	} else {	2593	} else {
2269	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2594	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2270	}	2595	}
2271		2596
2272	$map	2597	$map
2273	};	2598	};
2274		2599
…		…
2279		2604
2280	if ($gen == $self->{_goto_generation}) {	2605	if ($gen == $self->{_goto_generation}) {
2281	delete $self->{_goto_generation};	2606	delete $self->{_goto_generation};
2282	$self->leave_link ($map, $x, $y);	2607	$self->leave_link ($map, $x, $y);
2283	}	2608	}
		2609
		2610	$done->() if $done;
2284	})->prio (1);	2611	})->prio (1);
2285	}	2612	}
2286		2613
2287	=item $player_object->enter_exit ($exit_object)	2614	=item $player_object->enter_exit ($exit_object)
2288		2615
…		…
2308	}	2635	}
2309		2636
2310	sub prepare_random_map {	2637	sub prepare_random_map {
2311	my ($exit) = @_;	2638	my ($exit) = @_;
2312		2639
2313	my $guard = cf::lock_acquire "exit_prepare:$exit";
2314
2315	# all this does is basically replace the /! path by	2640	# all this does is basically replace the /! path by
2316	# a new random map path (?random/...) with a seed	2641	# a new random map path (?random/...) with a seed
2317	# that depends on the exit object	2642	# that depends on the exit object
2318		2643
2319	my $rmp = parse_random_map_params $exit->msg;	2644	my $rmp = parse_random_map_params $exit->msg;
…		…
2321	if ($exit->map) {	2646	if ($exit->map) {
2322	$rmp->{region} = $exit->region->name;	2647	$rmp->{region} = $exit->region->name;
2323	$rmp->{origin_map} = $exit->map->path;	2648	$rmp->{origin_map} = $exit->map->path;
2324	$rmp->{origin_x} = $exit->x;	2649	$rmp->{origin_x} = $exit->x;
2325	$rmp->{origin_y} = $exit->y;	2650	$rmp->{origin_y} = $exit->y;
		2651
		2652	$exit->map->touch;
2326	}	2653	}
2327		2654
2328	$rmp->{random_seed} ||= $exit->random_seed;	2655	$rmp->{random_seed} ||= $exit->random_seed;
2329		2656
2330	my $data = cf::to_json $rmp;	2657	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2331	my $md5 = Digest::MD5::md5_hex $data;	2658	my $md5 = Digest::MD5::md5_hex $data;
2332	my $meta = "$RANDOMDIR/$md5.meta";	2659	my $meta = "$RANDOMDIR/$md5.meta";
2333		2660
2334	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2661	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2335	aio_write $fh, 0, (length $data), $data, 0;	2662	aio_write $fh, 0, (length $data), $data, 0;
2336	undef $fh;	2663	undef $fh;
2337	aio_rename "$meta~", $meta;	2664	aio_rename "$meta~", $meta;
2338		2665
		2666	my $slaying = "?random/$md5";
		2667
		2668	if ($exit->valid) {
2339	$exit->slaying ("?random/$md5");	2669	$exit->slaying ("?random/$md5");
2340	$exit->msg (undef);	2670	$exit->msg (undef);
		2671	}
2341	}	2672	}
2342	}	2673	}
2343		2674
2344	sub cf::object::player::enter_exit {	2675	sub cf::object::player::enter_exit {
2345	my ($self, $exit) = @_;	2676	my ($self, $exit) = @_;
2346		2677
2347	return unless $self->type == cf::PLAYER;	2678	return unless $self->type == cf::PLAYER;
2348		2679
2349	if ($exit->slaying eq "/!") {
2350	#TODO: this should de-fi-ni-te-ly not be a sync-job
2351	# the problem is that $exit might not survive long enough
2352	# so it needs to be done right now, right here
2353	cf::sync_job { prepare_random_map $exit };
2354	}
2355
2356	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2357	my $hp = $exit->stats->hp;
2358	my $sp = $exit->stats->sp;
2359
2360	$self->enter_link;	2680	$self->enter_link;
2361		2681
2362	(async {	2682	(async {
2363	$self->deactivate_recursive; # just to be sure	2683	$Coro::current->{desc} = "enter_exit";
		2684
2364	unless (eval {	2685	unless (eval {
		2686	$self->deactivate_recursive; # just to be sure
		2687
		2688	# random map handling
		2689	{
		2690	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2691
		2692	prepare_random_map $exit
		2693	if $exit->slaying eq "/!";
		2694	}
		2695
		2696	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2697	my $x = $exit->stats->hp;
		2698	my $y = $exit->stats->sp;
		2699
2365	$self->goto ($slaying, $hp, $sp);	2700	$self->goto ($map, $x, $y);
2366		2701
		2702	# if exit is damned, update players death & WoR home-position
		2703	$self->contr->savebed ($map, $x, $y)
		2704	if $exit->flag (cf::FLAG_DAMNED);
		2705
2367	1;	2706	1
2368	}) {	2707	}) {
2369	$self->message ("Something went wrong deep within the crossfire server. "	2708	$self->message ("Something went wrong deep within the deliantra server. "
2370	. "I'll try to bring you back to the map you were before. "	2709	. "I'll try to bring you back to the map you were before. "
2371	. "Please report this to the dungeon master!",	2710	. "Please report this to the dungeon master!",
2372	cf::NDI_UNIQUE | cf::NDI_RED);	2711	cf::NDI_UNIQUE | cf::NDI_RED);
2373		2712
2374	warn "ERROR in enter_exit: $@";	2713	warn "ERROR in enter_exit: $@";
…		…
2393		2732
2394	utf8::encode $text;	2733	utf8::encode $text;
2395	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2734	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2396	}	2735	}
2397		2736
2398	=item $client->send_msg ($color, $type, $msg, [extra...])	2737	=item $client->send_msg ($channel, $msg, $color, [extra...])
2399		2738
2400	Send a drawinfo or msg packet to the client, formatting the msg for the	2739	Send a drawinfo or msg packet to the client, formatting the msg for the
2401	client if neccessary. C<$type> should be a string identifying the type of	2740	client if neccessary. C<$type> should be a string identifying the type of
2402	the message, with C<log> being the default. If C<$color> is negative, suppress	2741	the message, with C<log> being the default. If C<$color> is negative, suppress
2403	the message unless the client supports the msg packet.	2742	the message unless the client supports the msg packet.
2404		2743
2405	=cut	2744	=cut
2406		2745
		2746	# non-persistent channels (usually the info channel)
		2747	our %CHANNEL = (
		2748	"c/identify" => {
		2749	id => "infobox",
		2750	title => "Identify",
		2751	reply => undef,
		2752	tooltip => "Items recently identified",
		2753	},
		2754	"c/examine" => {
		2755	id => "infobox",
		2756	title => "Examine",
		2757	reply => undef,
		2758	tooltip => "Signs and other items you examined",
		2759	},
		2760	"c/book" => {
		2761	id => "infobox",
		2762	title => "Book",
		2763	reply => undef,
		2764	tooltip => "The contents of a note or book",
		2765	},
		2766	"c/lookat" => {
		2767	id => "infobox",
		2768	title => "Look",
		2769	reply => undef,
		2770	tooltip => "What you saw there",
		2771	},
		2772	"c/who" => {
		2773	id => "infobox",
		2774	title => "Players",
		2775	reply => undef,
		2776	tooltip => "Shows players who are currently online",
		2777	},
		2778	"c/body" => {
		2779	id => "infobox",
		2780	title => "Body Parts",
		2781	reply => undef,
		2782	tooltip => "Shows which body parts you posess and are available",
		2783	},
		2784	"c/statistics" => {
		2785	id => "infobox",
		2786	title => "Statistics",
		2787	reply => undef,
		2788	tooltip => "Shows your primary statistics",
		2789	},
		2790	"c/skills" => {
		2791	id => "infobox",
		2792	title => "Skills",
		2793	reply => undef,
		2794	tooltip => "Shows your experience per skill and item power",
		2795	},
		2796	"c/shopitems" => {
		2797	id => "infobox",
		2798	title => "Shop Items",
		2799	reply => undef,
		2800	tooltip => "Shows the items currently for sale in this shop",
		2801	},
		2802	"c/resistances" => {
		2803	id => "infobox",
		2804	title => "Resistances",
		2805	reply => undef,
		2806	tooltip => "Shows your resistances",
		2807	},
		2808	"c/pets" => {
		2809	id => "infobox",
		2810	title => "Pets",
		2811	reply => undef,
		2812	tooltip => "Shows information abotu your pets/a specific pet",
		2813	},
		2814	"c/perceiveself" => {
		2815	id => "infobox",
		2816	title => "Perceive Self",
		2817	reply => undef,
		2818	tooltip => "You gained detailed knowledge about yourself",
		2819	},
		2820	"c/uptime" => {
		2821	id => "infobox",
		2822	title => "Uptime",
		2823	reply => undef,
		2824	tooltip => "How long the server has been running since last restart",
		2825	},
		2826	"c/mapinfo" => {
		2827	id => "infobox",
		2828	title => "Map Info",
		2829	reply => undef,
		2830	tooltip => "Information related to the maps",
		2831	},
		2832	"c/party" => {
		2833	id => "party",
		2834	title => "Party",
		2835	reply => "gsay ",
		2836	tooltip => "Messages and chat related to your party",
		2837	},
		2838	"c/death" => {
		2839	id => "death",
		2840	title => "Death",
		2841	reply => undef,
		2842	tooltip => "Reason for and more info about your most recent death",
		2843	},
		2844	"c/say" => $SAY_CHANNEL,
		2845	"c/chat" => $CHAT_CHANNEL,
		2846	);
		2847
2407	sub cf::client::send_msg {	2848	sub cf::client::send_msg {
2408	my ($self, $color, $type, $msg, @extra) = @_;	2849	my ($self, $channel, $msg, $color, @extra) = @_;
2409		2850
2410	$msg = $self->pl->expand_cfpod ($msg);	2851	$msg = $self->pl->expand_cfpod ($msg)
		2852	unless $color & cf::NDI_VERBATIM;
2411		2853
2412	if ($self->can_msg) {	2854	$color &= cf::NDI_CLIENT_MASK; # just in case...
2413	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
2414	} else {
2415	# replace some tags by gcfclient-compatible ones
2416	for ($msg) {
2417	1 while
2418	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2419	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2420	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2421	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2422	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2423	}
2424		2855
2425	if ($color >= 0) {	2856	# check predefined channels, for the benefit of C
2426	if (0 && $msg =~ /\[/) {	2857	if ($CHANNEL{$channel}) {
2427	$self->send_packet ("drawextinfo $color 4 0 $msg")	2858	$channel = $CHANNEL{$channel};
2428	} else {	2859
2429	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2860	$self->ext_msg (channel_info => $channel);
2430	$self->send_packet ("drawinfo $color $msg")	2861	$channel = $channel->{id};
		2862
		2863	} elsif (ref $channel) {
		2864	# send meta info to client, if not yet sent
		2865	unless (exists $self->{channel}{$channel->{id}}) {
		2866	$self->{channel}{$channel->{id}} = $channel;
		2867	$self->ext_msg (channel_info => $channel);
2431	}	2868	}
2432	}
2433	}
2434	}
2435		2869
		2870	$channel = $channel->{id};
		2871	}
		2872
		2873	return unless @extra || length $msg;
		2874
		2875	# default colour, mask it out
		2876	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2877	if $color & cf::NDI_DEF;
		2878
		2879	my $pkt = "msg "
		2880	. $self->{json_coder}->encode (
		2881	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2882	);
		2883
		2884	# try lzf for large packets
		2885	$pkt = "lzf " . Compress::LZF::compress $pkt
		2886	if 1024 <= length $pkt and $self->{can_lzf};
		2887
		2888	# split very large packets
		2889	if (8192 < length $pkt and $self->{can_lzf}) {
		2890	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2891	$pkt = "frag";
		2892	}
		2893
		2894	$self->send_packet ($pkt);
		2895	}
		2896
2436	=item $client->ext_event ($type, %msg)	2897	=item $client->ext_msg ($type, @msg)
2437		2898
2438	Sends an ext event to the client.	2899	Sends an ext event to the client.
2439		2900
2440	=cut	2901	=cut
2441		2902
2442	sub cf::client::ext_event($$%) {	2903	sub cf::client::ext_msg($$@) {
2443	my ($self, $type, %msg) = @_;	2904	my ($self, $type, @msg) = @_;
2444		2905
		2906	if ($self->extcmd == 2) {
		2907	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2908	} elsif ($self->extcmd == 1) { # TODO: remove
2445	$msg{msgtype} = "event_$type";	2909	push @msg, msgtype => "event_$type";
2446	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	2910	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2911	}
		2912	}
		2913
		2914	=item $client->ext_reply ($msgid, @msg)
		2915
		2916	Sends an ext reply to the client.
		2917
		2918	=cut
		2919
		2920	sub cf::client::ext_reply($$@) {
		2921	my ($self, $id, @msg) = @_;
		2922
		2923	if ($self->extcmd == 2) {
		2924	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2925	} elsif ($self->extcmd == 1) {
		2926	#TODO: version 1, remove
		2927	unshift @msg, msgtype => "reply", msgid => $id;
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2929	}
2447	}	2930	}
2448		2931
2449	=item $success = $client->query ($flags, "text", \&cb)	2932	=item $success = $client->query ($flags, "text", \&cb)
2450		2933
2451	Queues a query to the client, calling the given callback with	2934	Queues a query to the client, calling the given callback with
…		…
2506	my ($ns, $buf) = @_;	2989	my ($ns, $buf) = @_;
2507		2990
2508	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2991	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2509		2992
2510	if (ref $msg) {	2993	if (ref $msg) {
		2994	my ($type, $reply, @payload) =
		2995	"ARRAY" eq ref $msg
		2996	? @$msg
		2997	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2998
		2999	my @reply;
		3000
2511	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3001	if (my $cb = $EXTICMD{$type}) {
2512	if (my %reply = $cb->($ns, $msg)) {	3002	@reply = $cb->($ns, @payload);
2513	$reply{msgid} = $msg->{msgid};
2514	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2515	}
2516	}	3003	}
		3004
		3005	$ns->ext_reply ($reply, @reply)
		3006	if $reply;
		3007
2517	} else {	3008	} else {
2518	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3009	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2519	}	3010	}
2520		3011
2521	cf::override;	3012	cf::override;
…		…
2568	our $safe = new Safe "safe";	3059	our $safe = new Safe "safe";
2569	our $safe_hole = new Safe::Hole;	3060	our $safe_hole = new Safe::Hole;
2570		3061
2571	$SIG{FPE} = 'IGNORE';	3062	$SIG{FPE} = 'IGNORE';
2572		3063
2573	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3064	$safe->permit_only (Opcode::opset qw(
		3065	:base_core :base_mem :base_orig :base_math
		3066	grepstart grepwhile mapstart mapwhile
		3067	sort time
		3068	));
2574		3069
2575	# here we export the classes and methods available to script code	3070	# here we export the classes and methods available to script code
2576		3071
2577	=pod	3072	=pod
2578		3073
2579	The following functions and methods are available within a safe environment:	3074	The following functions and methods are available within a safe environment:
2580		3075
2581	cf::object contr pay_amount pay_player map	3076	cf::object
		3077	contr pay_amount pay_player map x y force_find force_add destroy
		3078	insert remove name archname title slaying race decrease split
		3079	value
		3080
2582	cf::object::player player	3081	cf::object::player
2583	cf::player peaceful	3082	player
2584	cf::map trigger	3083
		3084	cf::player
		3085	peaceful
		3086
		3087	cf::map
		3088	trigger
2585		3089
2586	=cut	3090	=cut
2587		3091
2588	for (	3092	for (
2589	["cf::object" => qw(contr pay_amount pay_player map)],	3093	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3094	insert remove inv nrof name archname title slaying race
		3095	decrease split destroy change_exp value msg lore send_msg)],
2590	["cf::object::player" => qw(player)],	3096	["cf::object::player" => qw(player)],
2591	["cf::player" => qw(peaceful)],	3097	["cf::player" => qw(peaceful send_msg)],
2592	["cf::map" => qw(trigger)],	3098	["cf::map" => qw(trigger)],
2593	) {	3099	) {
2594	no strict 'refs';	3100	no strict 'refs';
2595	my ($pkg, @funs) = @$_;	3101	my ($pkg, @funs) = @$_;
2596	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3102	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2613	my ($code, %vars) = @_;	3119	my ($code, %vars) = @_;
2614		3120
2615	my $qcode = $code;	3121	my $qcode = $code;
2616	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3122	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2617	$qcode =~ s/\n/\\n/g;	3123	$qcode =~ s/\n/\\n/g;
		3124
		3125	%vars = (_dummy => 0) unless %vars;
2618		3126
2619	local $_;	3127	local $_;
2620	local @safe::cf::_safe_eval_args = values %vars;	3128	local @safe::cf::_safe_eval_args = values %vars;
2621		3129
2622	my $eval =	3130	my $eval =
…		…
2670	# the server's init and main functions	3178	# the server's init and main functions
2671		3179
2672	sub load_facedata($) {	3180	sub load_facedata($) {
2673	my ($path) = @_;	3181	my ($path) = @_;
2674		3182
		3183	# HACK to clear player env face cache, we need some signal framework
		3184	# for this (global event?)
		3185	%ext::player_env::MUSIC_FACE_CACHE = ();
		3186
		3187	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3188
2675	warn "loading facedata from $path\n";	3189	warn "loading facedata from $path\n";
2676		3190
2677	my $facedata;	3191	my $facedata;
2678	0 < aio_load $path, $facedata	3192	0 < aio_load $path, $facedata
2679	or die "$path: $!";	3193	or die "$path: $!";
…		…
2681	$facedata = Coro::Storable::thaw $facedata;	3195	$facedata = Coro::Storable::thaw $facedata;
2682		3196
2683	$facedata->{version} == 2	3197	$facedata->{version} == 2
2684	or cf::cleanup "$path: version mismatch, cannot proceed.";	3198	or cf::cleanup "$path: version mismatch, cannot proceed.";
2685		3199
		3200	# patch in the exptable
		3201	$facedata->{resource}{"res/exp_table"} = {
		3202	type => FT_RSRC,
		3203	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3204	};
		3205	cf::cede_to_tick;
		3206
2686	{	3207	{
2687	my $faces = $facedata->{faceinfo};	3208	my $faces = $facedata->{faceinfo};
2688		3209
2689	while (my ($face, $info) = each %$faces) {	3210	while (my ($face, $info) = each %$faces) {
2690	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3211	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3212
2691	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3213	cf::face::set_visibility $idx, $info->{visibility};
		3214	cf::face::set_magicmap $idx, $info->{magicmap};
2692	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3215	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2693	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3216	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2694	Coro::cede;	3217
		3218	cf::cede_to_tick;
2695	}	3219	}
2696		3220
2697	while (my ($face, $info) = each %$faces) {	3221	while (my ($face, $info) = each %$faces) {
2698	next unless $info->{smooth};	3222	next unless $info->{smooth};
		3223
2699	my $idx = cf::face::find $face	3224	my $idx = cf::face::find $face
2700	or next;	3225	or next;
		3226
2701	if (my $smooth = cf::face::find $info->{smooth}) {	3227	if (my $smooth = cf::face::find $info->{smooth}) {
		3228	cf::face::set_smooth $idx, $smooth;
2702	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3229	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2703	} else {	3230	} else {
2704	warn "smooth face '$info->{smooth}' not found for face '$face'";	3231	warn "smooth face '$info->{smooth}' not found for face '$face'";
2705	}	3232	}
2706	Coro::cede;	3233
		3234	cf::cede_to_tick;
2707	}	3235	}
2708	}	3236	}
2709		3237
2710	{	3238	{
2711	my $anims = $facedata->{animinfo};	3239	my $anims = $facedata->{animinfo};
2712		3240
2713	while (my ($anim, $info) = each %$anims) {	3241	while (my ($anim, $info) = each %$anims) {
2714	cf::anim::set $anim, $info->{frames}, $info->{facings};	3242	cf::anim::set $anim, $info->{frames}, $info->{facings};
2715	Coro::cede;	3243	cf::cede_to_tick;
2716	}	3244	}
2717		3245
2718	cf::anim::invalidate_all; # d'oh	3246	cf::anim::invalidate_all; # d'oh
2719	}	3247	}
2720		3248
		3249	{
		3250	# TODO: for gcfclient pleasure, we should give resources
		3251	# that gcfclient doesn't grok a >10000 face index.
		3252	my $res = $facedata->{resource};
		3253
		3254	while (my ($name, $info) = each %$res) {
		3255	if (defined $info->{type}) {
		3256	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3257	my $data;
		3258
		3259	if ($info->{type} & 1) {
		3260	# prepend meta info
		3261
		3262	my $meta = $enc->encode ({
		3263	name => $name,
		3264	%{ $info->{meta} || {} },
		3265	});
		3266
		3267	$data = pack "(w/a*)*", $meta, $info->{data};
		3268	} else {
		3269	$data = $info->{data};
		3270	}
		3271
		3272	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3273	cf::face::set_type $idx, $info->{type};
		3274	} else {
		3275	$RESOURCE{$name} = $info;
		3276	}
		3277
		3278	cf::cede_to_tick;
		3279	}
		3280	}
		3281
		3282	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3283
2721	1	3284	1
2722	}	3285	}
2723		3286
		3287	cf::global->attach (on_resource_update => sub {
		3288	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3289	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3290
		3291	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3292	my $sound = $soundconf->{compat}[$_]
		3293	or next;
		3294
		3295	my $face = cf::face::find "sound/$sound->[1]";
		3296	cf::sound::set $sound->[0] => $face;
		3297	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3298	}
		3299
		3300	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3301	my $face = cf::face::find "sound/$v";
		3302	cf::sound::set $k => $face;
		3303	}
		3304	}
		3305	});
		3306
		3307	register_exticmd fx_want => sub {
		3308	my ($ns, $want) = @_;
		3309
		3310	while (my ($k, $v) = each %$want) {
		3311	$ns->fx_want ($k, $v);
		3312	}
		3313	};
		3314
		3315	sub load_resource_file($) {
		3316	my $guard = lock_acquire "load_resource_file";
		3317
		3318	my $status = load_resource_file_ $_[0];
		3319	get_slot 0.1, 100;
		3320	cf::arch::commit_load;
		3321
		3322	$status
		3323	}
		3324
2724	sub reload_regions {	3325	sub reload_regions {
		3326	# HACK to clear player env face cache, we need some signal framework
		3327	# for this (global event?)
		3328	%ext::player_env::MUSIC_FACE_CACHE = ();
		3329
2725	load_resource_file "$MAPDIR/regions"	3330	load_resource_file "$MAPDIR/regions"
2726	or die "unable to load regions file\n";	3331	or die "unable to load regions file\n";
		3332
		3333	for (cf::region::list) {
		3334	$_->{match} = qr/$_->{match}/
		3335	if exists $_->{match};
		3336	}
2727	}	3337	}
2728		3338
2729	sub reload_facedata {	3339	sub reload_facedata {
2730	load_facedata "$DATADIR/facedata"	3340	load_facedata "$DATADIR/facedata"
2731	or die "unable to load facedata\n";	3341	or die "unable to load facedata\n";
2732	}	3342	}
2733		3343
2734	sub reload_archetypes {	3344	sub reload_archetypes {
2735	load_resource_file "$DATADIR/archetypes"	3345	load_resource_file "$DATADIR/archetypes"
2736	or die "unable to load archetypes\n";	3346	or die "unable to load archetypes\n";
2737	#d# NEED to laod twice to resolve forward references
2738	# this really needs to be done in an extra post-pass
2739	# (which needs to be synchronous, so solve it differently)
2740	load_resource_file "$DATADIR/archetypes"
2741	or die "unable to load archetypes\n";
2742	}	3347	}
2743		3348
2744	sub reload_treasures {	3349	sub reload_treasures {
2745	load_resource_file "$DATADIR/treasures"	3350	load_resource_file "$DATADIR/treasures"
2746	or die "unable to load treasurelists\n";	3351	or die "unable to load treasurelists\n";
2747	}	3352	}
2748		3353
2749	sub reload_resources {	3354	sub reload_resources {
2750	warn "reloading resource files...\n";	3355	warn "reloading resource files...\n";
2751		3356
		3357	reload_facedata;
		3358	reload_archetypes;
2752	reload_regions;	3359	reload_regions;
2753	reload_facedata;
2754	#reload_archetypes;#d#
2755	reload_archetypes;
2756	reload_treasures;	3360	reload_treasures;
2757		3361
2758	warn "finished reloading resource files\n";	3362	warn "finished reloading resource files\n";
2759	}	3363	}
2760		3364
2761	sub init {	3365	sub reload_config {
2762	reload_resources;
2763	}
2764
2765	sub cfg_load {
2766	open my $fh, "<:utf8", "$CONFDIR/config"	3366	open my $fh, "<:utf8", "$CONFDIR/config"
2767	or return;	3367	or return;
2768		3368
2769	local $/;	3369	local $/;
2770	*CFG = YAML::Syck::Load <$fh>;	3370	*CFG = YAML::Load <$fh>;
2771		3371
2772	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3372	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2773		3373
2774	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3374	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2775	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3375	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2781	};	3381	};
2782	warn $@ if $@;	3382	warn $@ if $@;
2783	}	3383	}
2784	}	3384	}
2785		3385
		3386	sub pidfile() {
		3387	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3388	or die "$PIDFILE: $!";
		3389	flock $fh, &Fcntl::LOCK_EX
		3390	or die "$PIDFILE: flock: $!";
		3391	$fh
		3392	}
		3393
		3394	# make sure only one server instance is running at any one time
		3395	sub atomic {
		3396	my $fh = pidfile;
		3397
		3398	my $pid = <$fh>;
		3399	kill 9, $pid if $pid > 0;
		3400
		3401	seek $fh, 0, 0;
		3402	print $fh $$;
		3403	}
		3404
2786	sub main {	3405	sub main {
		3406	cf::init_globals; # initialise logging
		3407
		3408	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3409	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3410	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3411	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3412
		3413	cf::init_experience;
		3414	cf::init_anim;
		3415	cf::init_attackmess;
		3416	cf::init_dynamic;
		3417
		3418	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3419
2787	# we must not ever block the main coroutine	3420	# we must not ever block the main coroutine
2788	local $Coro::idle = sub {	3421	local $Coro::idle = sub {
2789	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3422	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2790	(async {	3423	(async {
2791	Event::one_event;	3424	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3425	EV::loop EV::LOOP_ONESHOT;
2792	})->prio (Coro::PRIO_MAX);	3426	})->prio (Coro::PRIO_MAX);
2793	};	3427	};
2794		3428
2795	cfg_load;	3429	evthread_start IO::AIO::poll_fileno;
		3430
		3431	cf::sync_job {
		3432	reload_resources;
		3433	reload_config;
2796	db_init;	3434	db_init;
		3435
		3436	cf::load_settings;
		3437	cf::load_materials;
		3438	cf::init_uuid;
		3439	cf::init_signals;
		3440	cf::init_commands;
		3441	cf::init_skills;
		3442
		3443	cf::init_beforeplay;
		3444
		3445	atomic;
		3446
2797	load_extensions;	3447	load_extensions;
2798		3448
2799	$TICK_WATCHER->start;	3449	utime time, time, $RUNTIMEFILE;
		3450
		3451	# no (long-running) fork's whatsoever before this point(!)
		3452	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3453
		3454	(pop @POST_INIT)->(0) while @POST_INIT;
		3455	};
		3456
2800	Event::loop;	3457	EV::loop;
2801	}	3458	}
2802		3459
2803	#############################################################################	3460	#############################################################################
2804	# initialisation and cleanup	3461	# initialisation and cleanup
2805		3462
2806	# install some emergency cleanup handlers	3463	# install some emergency cleanup handlers
2807	BEGIN {	3464	BEGIN {
		3465	our %SIGWATCHER = ();
2808	for my $signal (qw(INT HUP TERM)) {	3466	for my $signal (qw(INT HUP TERM)) {
2809	Event->signal (	3467	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2810	reentrant => 0,
2811	data => WF_AUTOCANCEL,
2812	signal => $signal,
2813	prio => 0,
2814	cb => sub {
2815	cf::cleanup "SIG$signal";	3468	cf::cleanup "SIG$signal";
2816	},
2817	);	3469	};
2818	}	3470	}
2819	}	3471	}
2820		3472
2821	sub write_runtime {	3473	sub write_runtime_sync {
2822	my $runtime = "$LOCALDIR/runtime";
2823
2824	# first touch the runtime file to show we are still running:	3474	# first touch the runtime file to show we are still running:
2825	# the fsync below can take a very very long time.	3475	# the fsync below can take a very very long time.
2826		3476
2827	IO::AIO::aio_utime $runtime, undef, undef;	3477	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2828		3478
2829	my $guard = cf::lock_acquire "write_runtime";	3479	my $guard = cf::lock_acquire "write_runtime";
2830		3480
2831	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3481	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2832	or return;	3482	or return;
2833		3483
2834	my $value = $cf::RUNTIME + 90 + 10;	3484	my $value = $cf::RUNTIME + 90 + 10;
2835	# 10 is the runtime save interval, for a monotonic clock	3485	# 10 is the runtime save interval, for a monotonic clock
2836	# 60 allows for the watchdog to kill the server.	3486	# 60 allows for the watchdog to kill the server.
…		…
2846	aio_utime $fh, undef, undef;	3496	aio_utime $fh, undef, undef;
2847		3497
2848	close $fh	3498	close $fh
2849	or return;	3499	or return;
2850		3500
2851	aio_rename "$runtime~", $runtime	3501	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2852	and return;	3502	and return;
2853		3503
2854	warn "runtime file written.\n";	3504	warn "runtime file written.\n";
2855		3505
2856	1	3506	1
		3507	}
		3508
		3509	our $uuid_lock;
		3510	our $uuid_skip;
		3511
		3512	sub write_uuid_sync($) {
		3513	$uuid_skip ||= $_[0];
		3514
		3515	return if $uuid_lock;
		3516	local $uuid_lock = 1;
		3517
		3518	my $uuid = "$LOCALDIR/uuid";
		3519
		3520	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3521	or return;
		3522
		3523	my $value = uuid_seq uuid_cur;
		3524
		3525	unless ($value) {
		3526	warn "cowardly refusing to write zero uuid value!\n";
		3527	return;
		3528	}
		3529
		3530	my $value = uuid_str $value + $uuid_skip;
		3531	$uuid_skip = 0;
		3532
		3533	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3534	and return;
		3535
		3536	# always fsync - this file is important
		3537	aio_fsync $fh
		3538	and return;
		3539
		3540	close $fh
		3541	or return;
		3542
		3543	aio_rename "$uuid~", $uuid
		3544	and return;
		3545
		3546	warn "uuid file written ($value).\n";
		3547
		3548	1
		3549
		3550	}
		3551
		3552	sub write_uuid($$) {
		3553	my ($skip, $sync) = @_;
		3554
		3555	$sync ? write_uuid_sync $skip
		3556	: async { write_uuid_sync $skip };
2857	}	3557	}
2858		3558
2859	sub emergency_save() {	3559	sub emergency_save() {
2860	my $freeze_guard = cf::freeze_mainloop;	3560	my $freeze_guard = cf::freeze_mainloop;
2861		3561
2862	warn "enter emergency perl save\n";	3562	warn "emergency_perl_save: enter\n";
2863		3563
2864	cf::sync_job {	3564	cf::sync_job {
		3565	# this is a trade-off: we want to be very quick here, so
		3566	# save all maps without fsync, and later call a global sync
		3567	# (which in turn might be very very slow)
		3568	local $USE_FSYNC = 0;
		3569
2865	# use a peculiar iteration method to avoid tripping on perl	3570	# use a peculiar iteration method to avoid tripping on perl
2866	# refcount bugs in for. also avoids problems with players	3571	# refcount bugs in for. also avoids problems with players
2867	# and maps saved/destroyed asynchronously.	3572	# and maps saved/destroyed asynchronously.
2868	warn "begin emergency player save\n";	3573	warn "emergency_perl_save: begin player save\n";
2869	for my $login (keys %cf::PLAYER) {	3574	for my $login (keys %cf::PLAYER) {
2870	my $pl = $cf::PLAYER{$login} or next;	3575	my $pl = $cf::PLAYER{$login} or next;
2871	$pl->valid or next;	3576	$pl->valid or next;
		3577	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2872	$pl->save;	3578	$pl->save;
2873	}	3579	}
2874	warn "end emergency player save\n";	3580	warn "emergency_perl_save: end player save\n";
2875		3581
2876	warn "begin emergency map save\n";	3582	warn "emergency_perl_save: begin map save\n";
2877	for my $path (keys %cf::MAP) {	3583	for my $path (keys %cf::MAP) {
2878	my $map = $cf::MAP{$path} or next;	3584	my $map = $cf::MAP{$path} or next;
2879	$map->valid or next;	3585	$map->valid or next;
2880	$map->save;	3586	$map->save;
2881	}	3587	}
2882	warn "end emergency map save\n";	3588	warn "emergency_perl_save: end map save\n";
2883		3589
2884	warn "begin emergency database checkpoint\n";	3590	warn "emergency_perl_save: begin database checkpoint\n";
2885	BDB::db_env_txn_checkpoint $DB_ENV;	3591	BDB::db_env_txn_checkpoint $DB_ENV;
2886	warn "end emergency database checkpoint\n";	3592	warn "emergency_perl_save: end database checkpoint\n";
		3593
		3594	warn "emergency_perl_save: begin write uuid\n";
		3595	write_uuid_sync 1;
		3596	warn "emergency_perl_save: end write uuid\n";
2887	};	3597	};
2888		3598
		3599	warn "emergency_perl_save: starting sync()\n";
		3600	IO::AIO::aio_sync sub {
		3601	warn "emergency_perl_save: finished sync()\n";
		3602	};
		3603
2889	warn "leave emergency perl save\n";	3604	warn "emergency_perl_save: leave\n";
2890	}	3605	}
2891		3606
2892	sub post_cleanup {	3607	sub post_cleanup {
2893	my ($make_core) = @_;	3608	my ($make_core) = @_;
2894		3609
2895	warn Carp::longmess "post_cleanup backtrace"	3610	warn Carp::longmess "post_cleanup backtrace"
2896	if $make_core;	3611	if $make_core;
		3612
		3613	my $fh = pidfile;
		3614	unlink $PIDFILE if <$fh> == $$;
		3615	}
		3616
		3617	# a safer delete_package, copied from Symbol
		3618	sub clear_package($) {
		3619	my $pkg = shift;
		3620
		3621	# expand to full symbol table name if needed
		3622	unless ($pkg =~ /^main::.*::$/) {
		3623	$pkg = "main$pkg" if $pkg =~ /^::/;
		3624	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3625	$pkg .= '::' unless $pkg =~ /::$/;
		3626	}
		3627
		3628	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3629	my $stem_symtab = *{$stem}{HASH};
		3630
		3631	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3632	or return;
		3633
		3634	# clear all symbols
		3635	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3636	for my $name (keys %$leaf_symtab) {
		3637	_gv_clear *{"$pkg$name"};
		3638	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3639	}
		3640	warn "cleared package $pkg\n";#d#
2897	}	3641	}
2898		3642
2899	sub do_reload_perl() {	3643	sub do_reload_perl() {
2900	# can/must only be called in main	3644	# can/must only be called in main
2901	if ($Coro::current != $Coro::main) {	3645	if ($Coro::current != $Coro::main) {
2902	warn "can only reload from main coroutine";	3646	warn "can only reload from main coroutine";
2903	return;	3647	return;
2904	}	3648	}
2905		3649
		3650	return if $RELOAD++;
		3651
		3652	my $t1 = EV::time;
		3653
		3654	while ($RELOAD) {
2906	warn "reloading...";	3655	warn "reloading...";
2907		3656
2908	warn "entering sync_job";	3657	warn "entering sync_job";
2909		3658
2910	cf::sync_job {	3659	cf::sync_job {
2911	cf::write_runtime; # external watchdog should not bark	3660	cf::write_runtime_sync; # external watchdog should not bark
2912	cf::emergency_save;	3661	cf::emergency_save;
2913	cf::write_runtime; # external watchdog should not bark	3662	cf::write_runtime_sync; # external watchdog should not bark
2914		3663
2915	warn "syncing database to disk";	3664	warn "syncing database to disk";
2916	BDB::db_env_txn_checkpoint $DB_ENV;	3665	BDB::db_env_txn_checkpoint $DB_ENV;
2917		3666
2918	# if anything goes wrong in here, we should simply crash as we already saved	3667	# if anything goes wrong in here, we should simply crash as we already saved
2919		3668
2920	warn "cancelling all WF_AUTOCANCEL watchers";
2921	for (Event::all_watchers) {
2922	$_->cancel if $_->data & WF_AUTOCANCEL;
2923	}
2924
2925	warn "flushing outstanding aio requests";	3669	warn "flushing outstanding aio requests";
2926	for (;;) {
2927	BDB::flush;
2928	IO::AIO::flush;
2929	Coro::cede;
2930	last unless IO::AIO::nreqs || BDB::nreqs;	3670	while (IO::AIO::nreqs || BDB::nreqs) {
2931	warn "iterate...";	3671	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2932	}
2933
2934	++$RELOAD;
2935
2936	warn "cancelling all extension coros";
2937	$_->cancel for values %EXT_CORO;
2938	%EXT_CORO = ();
2939
2940	warn "removing commands";
2941	%COMMAND = ();
2942
2943	warn "removing ext/exti commands";
2944	%EXTCMD = ();
2945	%EXTICMD = ();
2946
2947	warn "unloading/nuking all extensions";
2948	for my $pkg (@EXTS) {
2949	warn "... unloading $pkg";
2950
2951	if (my $cb = $pkg->can ("unload")) {
2952	eval {
2953	$cb->($pkg);
2954	1
2955	} or warn "$pkg unloaded, but with errors: $@";
2956	}	3672	}
2957		3673
2958	warn "... nuking $pkg";	3674	warn "cancelling all extension coros";
2959	Symbol::delete_package $pkg;	3675	$_->cancel for values %EXT_CORO;
2960	}	3676	%EXT_CORO = ();
2961		3677
2962	warn "unloading all perl modules loaded from $LIBDIR";	3678	warn "removing commands";
2963	while (my ($k, $v) = each %INC) {	3679	%COMMAND = ();
2964	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2965		3680
		3681	warn "removing ext/exti commands";
		3682	%EXTCMD = ();
		3683	%EXTICMD = ();
		3684
		3685	warn "unloading/nuking all extensions";
		3686	for my $pkg (@EXTS) {
2966	warn "... unloading $k";	3687	warn "... unloading $pkg";
2967	delete $INC{$k};
2968		3688
2969	$k =~ s/\.pm$//;
2970	$k =~ s/\//::/g;
2971
2972	if (my $cb = $k->can ("unload_module")) {	3689	if (my $cb = $pkg->can ("unload")) {
		3690	eval {
2973	$cb->();	3691	$cb->($pkg);
		3692	1
		3693	} or warn "$pkg unloaded, but with errors: $@";
		3694	}
		3695
		3696	warn "... clearing $pkg";
		3697	clear_package $pkg;
2974	}	3698	}
2975		3699
2976	Symbol::delete_package $k;	3700	warn "unloading all perl modules loaded from $LIBDIR";
		3701	while (my ($k, $v) = each %INC) {
		3702	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3703
		3704	warn "... unloading $k";
		3705	delete $INC{$k};
		3706
		3707	$k =~ s/\.pm$//;
		3708	$k =~ s/\//::/g;
		3709
		3710	if (my $cb = $k->can ("unload_module")) {
		3711	$cb->();
		3712	}
		3713
		3714	clear_package $k;
2977	}	3715	}
2978		3716
2979	warn "getting rid of safe::, as good as possible";	3717	warn "getting rid of safe::, as good as possible";
2980	Symbol::delete_package "safe::$_"	3718	clear_package "safe::$_"
2981	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3719	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2982		3720
2983	warn "unloading cf.pm \"a bit\"";	3721	warn "unloading cf.pm \"a bit\"";
2984	delete $INC{"cf.pm"};	3722	delete $INC{"cf.pm"};
2985	delete $INC{"cf/pod.pm"};	3723	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2986		3724
2987	# don't, removes xs symbols, too,	3725	# don't, removes xs symbols, too,
2988	# and global variables created in xs	3726	# and global variables created in xs
2989	#Symbol::delete_package __PACKAGE__;	3727	#clear_package __PACKAGE__;
2990		3728
2991	warn "unload completed, starting to reload now";	3729	warn "unload completed, starting to reload now";
2992		3730
2993	warn "reloading cf.pm";	3731	warn "reloading cf.pm";
2994	require cf;	3732	require cf;
2995	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3733	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2996		3734
2997	warn "loading config and database again";	3735	warn "loading config and database again";
2998	cf::cfg_load;	3736	cf::reload_config;
2999		3737
3000	warn "loading extensions";	3738	warn "loading extensions";
3001	cf::load_extensions;	3739	cf::load_extensions;
3002		3740
		3741	if ($REATTACH_ON_RELOAD) {
3003	warn "reattaching attachments to objects/players";	3742	warn "reattaching attachments to objects/players";
3004	_global_reattach; # objects, sockets	3743	_global_reattach; # objects, sockets
3005	warn "reattaching attachments to maps";	3744	warn "reattaching attachments to maps";
3006	reattach $_ for values %MAP;	3745	reattach $_ for values %MAP;
3007	warn "reattaching attachments to players";	3746	warn "reattaching attachments to players";
3008	reattach $_ for values %PLAYER;	3747	reattach $_ for values %PLAYER;
		3748	}
3009		3749
		3750	warn "running post_init jobs";
		3751	(pop @POST_INIT)->(1) while @POST_INIT;
		3752
3010	warn "leaving sync_job";	3753	warn "leaving sync_job";
3011		3754
3012	1	3755	1
3013	} or do {	3756	} or do {
3014	warn $@;	3757	warn $@;
3015	warn "error while reloading, exiting.";	3758	cf::cleanup "error while reloading, exiting.";
3016	exit 1;
3017	};	3759	};
3018		3760
3019	warn "reloaded";	3761	warn "reloaded";
		3762	--$RELOAD;
		3763	}
		3764
		3765	$t1 = EV::time - $t1;
		3766	warn "reload completed in ${t1}s\n";
3020	};	3767	};
3021		3768
3022	our $RELOAD_WATCHER; # used only during reload	3769	our $RELOAD_WATCHER; # used only during reload
3023		3770
3024	sub reload_perl() {	3771	sub reload_perl() {
3025	# doing reload synchronously and two reloads happen back-to-back,	3772	# doing reload synchronously and two reloads happen back-to-back,
3026	# coro crashes during coro_state_free->destroy here.	3773	# coro crashes during coro_state_free->destroy here.
3027		3774
3028	$RELOAD_WATCHER ||= Event->timer (	3775	$RELOAD_WATCHER ||= cf::async {
3029	reentrant => 0,	3776	Coro::AIO::aio_wait cache_extensions;
3030	after => 0,	3777
3031	data => WF_AUTOCANCEL,	3778	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3032	cb => sub {
3033	do_reload_perl;	3779	do_reload_perl;
3034	undef $RELOAD_WATCHER;	3780	undef $RELOAD_WATCHER;
3035	},	3781	};
3036	);	3782	};
3037	}	3783	}
3038		3784
3039	register_command "reload" => sub {	3785	register_command "reload" => sub {
3040	my ($who, $arg) = @_;	3786	my ($who, $arg) = @_;
3041		3787
3042	if ($who->flag (FLAG_WIZ)) {	3788	if ($who->flag (FLAG_WIZ)) {
3043	$who->message ("reloading server.");	3789	$who->message ("reloading server.");
		3790	async {
		3791	$Coro::current->{desc} = "perl_reload";
3044	async { reload_perl };	3792	reload_perl;
		3793	};
3045	}	3794	}
3046	};	3795	};
3047		3796
3048	unshift @INC, $LIBDIR;	3797	unshift @INC, $LIBDIR;
3049		3798
…		…
3051		3800
3052	our @WAIT_FOR_TICK;	3801	our @WAIT_FOR_TICK;
3053	our @WAIT_FOR_TICK_BEGIN;	3802	our @WAIT_FOR_TICK_BEGIN;
3054		3803
3055	sub wait_for_tick {	3804	sub wait_for_tick {
3056	return unless $TICK_WATCHER->is_active;
3057	return if $Coro::current == $Coro::main;	3805	return if tick_inhibit || $Coro::current == $Coro::main;
3058		3806
3059	my $signal = new Coro::Signal;	3807	my $signal = new Coro::Signal;
3060	push @WAIT_FOR_TICK, $signal;	3808	push @WAIT_FOR_TICK, $signal;
3061	$signal->wait;	3809	$signal->wait;
3062	}	3810	}
3063		3811
3064	sub wait_for_tick_begin {	3812	sub wait_for_tick_begin {
3065	return unless $TICK_WATCHER->is_active;
3066	return if $Coro::current == $Coro::main;	3813	return if tick_inhibit || $Coro::current == $Coro::main;
3067		3814
3068	my $signal = new Coro::Signal;	3815	my $signal = new Coro::Signal;
3069	push @WAIT_FOR_TICK_BEGIN, $signal;	3816	push @WAIT_FOR_TICK_BEGIN, $signal;
3070	$signal->wait;	3817	$signal->wait;
3071	}	3818	}
3072		3819
3073	my $min = 1e6;#d#	3820	sub tick {
3074	my $avg = 10;
3075	$TICK_WATCHER = Event->timer (
3076	reentrant => 0,
3077	parked => 1,
3078	prio => 0,
3079	at => $NEXT_TICK || $TICK,
3080	data => WF_AUTOCANCEL,
3081	cb => sub {
3082	if ($Coro::current != $Coro::main) {	3821	if ($Coro::current != $Coro::main) {
3083	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3822	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3084	unless ++$bug_warning > 10;	3823	unless ++$bug_warning > 10;
3085	return;	3824	return;
3086	}	3825	}
3087		3826
3088	$NOW = $tick_start = Event::time;
3089
3090	cf::server_tick; # one server iteration	3827	cf::server_tick; # one server iteration
3091		3828
3092	0 && sync_job {#d#	3829	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3093	for(1..10) {	3830	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3094	my $t = Event::time;	3831	Coro::async_pool {
3095	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3832	$Coro::current->{desc} = "runtime saver";
3096	or die;	3833	write_runtime_sync
3097		3834	or warn "ERROR: unable to write runtime file: $!";
3098	$map->width (50);
3099	$map->height (50);
3100	$map->alloc;
3101	$map->_load_objects ("/tmp/x.map", 1);
3102	my $t = Event::time - $t;
3103
3104	#next unless $t < 0.0013;#d#
3105	if ($t < $min) {
3106	$min = $t;
3107	}
3108	$avg = $avg * 0.99 + $t * 0.01;
3109	}
3110	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3111	exit 0;
3112	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3113	};	3835	};
		3836	}
3114		3837
3115	$RUNTIME += $TICK;
3116	$NEXT_TICK += $TICK;
3117
3118	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3119	$NEXT_RUNTIME_WRITE = $NOW + 10;
3120	Coro::async_pool {
3121	write_runtime
3122	or warn "ERROR: unable to write runtime file: $!";
3123	};
3124	}
3125
3126	# my $AFTER = Event::time;
3127	# warn $AFTER - $NOW;#d#
3128
3129	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3838	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3130	$sig->send;	3839	$sig->send;
3131	}	3840	}
3132	while (my $sig = shift @WAIT_FOR_TICK) {	3841	while (my $sig = shift @WAIT_FOR_TICK) {
3133	$sig->send;	3842	$sig->send;
3134	}	3843	}
3135		3844
3136	$NOW = Event::time;	3845	$LOAD = ($NOW - $TICK_START) / $TICK;
3137
3138	# if we are delayed by four ticks or more, skip them all
3139	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3140
3141	$TICK_WATCHER->at ($NEXT_TICK);
3142	$TICK_WATCHER->start;
3143
3144	$LOAD = ($NOW - $tick_start) / $TICK;
3145	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3846	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3146		3847
3147	_post_tick;	3848	if (0) {
3148		3849	if ($NEXT_TICK) {
3149		3850	my $jitter = $TICK_START - $NEXT_TICK;
		3851	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3852	warn "jitter $JITTER\n";#d#
		3853	}
3150	},	3854	}
3151	);	3855	}
3152		3856
3153	{	3857	{
3154	BDB::max_poll_time $TICK * 0.1;	3858	# configure BDB
3155	$BDB_POLL_WATCHER = Event->io (	3859
3156	reentrant => 0,
3157	fd => BDB::poll_fileno,
3158	poll => 'r',
3159	prio => 0,
3160	data => WF_AUTOCANCEL,
3161	cb => \&BDB::poll_cb,
3162	);
3163	BDB::min_parallel 8;	3860	BDB::min_parallel 8;
3164		3861	BDB::max_poll_reqs $TICK * 0.1;
3165	BDB::set_sync_prepare {	3862	$AnyEvent::BDB::WATCHER->priority (1);
3166	my $status;
3167	my $current = $Coro::current;
3168	(
3169	sub {
3170	$status = $!;
3171	$current->ready; undef $current;
3172	},
3173	sub {
3174	Coro::schedule while defined $current;
3175	$! = $status;
3176	},
3177	)
3178	};
3179		3863
3180	unless ($DB_ENV) {	3864	unless ($DB_ENV) {
3181	$DB_ENV = BDB::db_env_create;	3865	$DB_ENV = BDB::db_env_create;
		3866	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3867	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3868	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3869	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3870	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3182		3871
3183	cf::sync_job {	3872	cf::sync_job {
3184	eval {	3873	eval {
3185	BDB::db_env_open	3874	BDB::db_env_open
3186	$DB_ENV,	3875	$DB_ENV,
…		…
3188	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3877	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3189	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3878	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3190	0666;	3879	0666;
3191		3880
3192	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3881	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3193
3194	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3195	$DB_ENV->set_lk_detect;
3196	};	3882	};
3197		3883
3198	cf::cleanup "db_env_open(db): $@" if $@;	3884	cf::cleanup "db_env_open(db): $@" if $@;
3199	};	3885	};
3200	}	3886	}
		3887
		3888	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3889	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3890	};
		3891	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3892	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3893	};
		3894	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3895	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3896	};
3201	}	3897	}
3202		3898
3203	{	3899	{
		3900	# configure IO::AIO
		3901
3204	IO::AIO::min_parallel 8;	3902	IO::AIO::min_parallel 8;
3205
3206	undef $Coro::AIO::WATCHER;
3207	IO::AIO::max_poll_time $TICK * 0.1;	3903	IO::AIO::max_poll_time $TICK * 0.1;
3208	$AIO_POLL_WATCHER = Event->io (	3904	undef $AnyEvent::AIO::WATCHER;
3209	reentrant => 0,
3210	data => WF_AUTOCANCEL,
3211	fd => IO::AIO::poll_fileno,
3212	poll => 'r',
3213	prio => 6,
3214	cb => \&IO::AIO::poll_cb,
3215	);
3216	}	3905	}
3217		3906
3218	my $_log_backtrace;	3907	my $_log_backtrace;
3219		3908
3220	sub _log_backtrace {	3909	sub _log_backtrace {
…		…
3223	$msg =~ s/\n//;	3912	$msg =~ s/\n//;
3224		3913
3225	# limit the # of concurrent backtraces	3914	# limit the # of concurrent backtraces
3226	if ($_log_backtrace < 2) {	3915	if ($_log_backtrace < 2) {
3227	++$_log_backtrace;	3916	++$_log_backtrace;
		3917	my $perl_bt = Carp::longmess $msg;
3228	async {	3918	async {
		3919	$Coro::current->{desc} = "abt $msg";
		3920
3229	my @bt = fork_call {	3921	my @bt = fork_call {
3230	@addr = map { sprintf "%x", $_ } @addr;	3922	@addr = map { sprintf "%x", $_ } @addr;
3231	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3923	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3232	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3924	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3233	or die "addr2line: $!";	3925	or die "addr2line: $!";
…		…
3241	}	3933	}
3242		3934
3243	@funcs	3935	@funcs
3244	};	3936	};
3245		3937
3246	LOG llevInfo, "[ABT] $msg\n";	3938	LOG llevInfo, "[ABT] $perl_bt\n";
		3939	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3247	LOG llevInfo, "[ABT] $_\n" for @bt;	3940	LOG llevInfo, "[ABT] $_\n" for @bt;
3248	--$_log_backtrace;	3941	--$_log_backtrace;
3249	};	3942	};
3250	} else {	3943	} else {
3251	LOG llevInfo, "[ABT] $msg\n";	3944	LOG llevInfo, "[ABT] $msg\n";
3252	LOG llevInfo, "[ABT] [suppressed]\n";	3945	LOG llevInfo, "[ABT] [suppressed]\n";
3253	}	3946	}
3254	}	3947	}
3255		3948
3256	# load additional modules	3949	# load additional modules
3257	use cf::pod;	3950	require "cf/$_.pm" for @EXTRA_MODULES;
3258		3951
3259	END { cf::emergency_save }	3952	END { cf::emergency_save }
3260		3953
3261	1	3954	1
3262		3955

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