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Revision 1.435 by root, Thu May 29 03:33:20 2008 UTC vs.
Revision 1.568 by root, Tue May 3 17:12:14 2011 UTC

1	#	1	#
2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.	2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	#	3	#
4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	#	5	#
6	# Deliantra is free software: you can redistribute it and/or modify	6	# Deliantra is free software: you can redistribute it and/or modify it under
7	# it under the terms of the GNU General Public License as published by	7	# the terms of the Affero GNU General Public License as published by the
8	# the Free Software Foundation, either version 3 of the License, or	8	# Free Software Foundation, either version 3 of the License, or (at your
9	# (at your option) any later version.	9	# option) any later version.
10	#	10	#
11	# This program is distributed in the hope that it will be useful,	11	# This program is distributed in the hope that it will be useful,
12	# but WITHOUT ANY WARRANTY; without even the implied warranty of	12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	# GNU General Public License for more details.	14	# GNU General Public License for more details.
15	#	15	#
16	# You should have received a copy of the GNU General Public License	16	# You should have received a copy of the Affero GNU General Public License
17	# along with this program. If not, see <http://www.gnu.org/licenses/>.	17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
18	#	19	#
19	# The authors can be reached via e-mail to <support@deliantra.net>	20	# The authors can be reached via e-mail to <support@deliantra.net>
20	#	21	#
21		22
22	package cf;	23	package cf;
23		24
24	use utf8;	25	use common::sense;
25	use strict;
26		26
27	use Symbol;	27	use Symbol;
28	use List::Util;	28	use List::Util;
29	use Socket;	29	use Socket;
30	use EV;	30	use EV;
31	use Opcode;	31	use Opcode;
32	use Safe;	32	use Safe;
33	use Safe::Hole;	33	use Safe::Hole;
34	use Storable ();	34	use Storable ();
		35	use Carp ();
35		36
		37	use Guard ();
36	use Coro ();	38	use Coro ();
37	use Coro::State;	39	use Coro::State;
38	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
39	use Coro::AnyEvent;	42	use Coro::AnyEvent;
40	use Coro::Timer;	43	use Coro::Timer;
41	use Coro::Signal;	44	use Coro::Signal;
42	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
43	use Coro::AnyEvent;	47	use Coro::AnyEvent;
44	use Coro::AIO;	48	use Coro::AIO;
45	use Coro::BDB;	49	use Coro::BDB 1.6;
46	use Coro::Storable;	50	use Coro::Storable;
47	use Coro::Util ();	51	use Coro::Util ();
48		52
49	use JSON::XS 2.01 ();	53	use JSON::XS 2.01 ();
50	use BDB ();	54	use BDB ();
51	use Data::Dumper;	55	use Data::Dumper;
52	use Digest::MD5;
53	use Fcntl;	56	use Fcntl;
54	use YAML ();	57	use YAML::XS ();
55	use IO::AIO ();	58	use IO::AIO ();
56	use Time::HiRes;	59	use Time::HiRes;
57	use Compress::LZF;	60	use Compress::LZF;
58	use Digest::MD5 ();	61	use Digest::MD5 ();
59		62
…		…
61		64
62	# configure various modules to our taste	65	# configure various modules to our taste
63	#	66	#
64	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
65	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
66	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
67		75
68	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
69		78
70	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
71		82
72	our %COMMAND = ();	83	our %COMMAND = ();
73	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
74		85
75	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
76	our %EXTCMD = ();	87	our %EXTCMD = ();
77	our %EXTICMD = ();	88	our %EXTICMD = ();
78	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
79	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
80		91
81	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
82	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
83		96
84	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
85	our $DATADIR = datadir;	99	our $DATADIR = datadir;
86	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
87	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
88	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
89	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
90	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
91	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
92	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
93	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
94	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
95	our %RESOURCE;	113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
96		120
97	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
98	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
99	our $NEXT_TICK;	123	our $NEXT_TICK;
100	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
101		125
102	our $BDB_DEADLOCK_WATCHER;	126	our $BDB_DEADLOCK_WATCHER;
103	our $BDB_CHECKPOINT_WATCHER;	127	our $BDB_CHECKPOINT_WATCHER;
104	our $BDB_TRICKLE_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
105	our $DB_ENV;	129	our $DB_ENV;
106		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
107	our %CFG;	133	our %CFG;
108		134
109	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
110	our $RUNTIME;	136	our $RUNTIME;
111	our $NOW;	137	our $NOW;
…		…
120	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	146	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
121	our $LOADAVG; # same thing, but with alpha-smoothing	147	our $LOADAVG; # same thing, but with alpha-smoothing
122	our $JITTER; # average jitter	148	our $JITTER; # average jitter
123	our $TICK_START; # for load detecting purposes	149	our $TICK_START; # for load detecting purposes
124		150
		151	our @POST_INIT;
		152
		153	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		154	our $REALLY_UNLOOP; # never set to true, please :)
		155
125	binmode STDOUT;	156	binmode STDOUT;
126	binmode STDERR;	157	binmode STDERR;
127		158
128	# read virtual server time, if available	159	# read virtual server time, if available
129	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
130	open my $fh, "<", "$LOCALDIR/runtime"	161	open my $fh, "<", $RUNTIMEFILE
131	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
132	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
133	}	164	}
		165
		166	eval "sub TICK() { $TICK } 1" or die;
134		167
135	mkdir $_	168	mkdir $_
136	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
137		170
138	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
139		172
140	sub cf::map::normalise;	173	sub cf::map::normalise;
		174
		175	sub in_main() {
		176	$Coro::current == $Coro::main
		177	}
		178
		179	#############################################################################
		180
		181	%REFLECT = ();
		182	for (@REFLECT) {
		183	my $reflect = JSON::XS::decode_json $_;
		184	$REFLECT{$reflect->{class}} = $reflect;
		185	}
		186
		187	# this is decidedly evil
		188	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
141		189
142	#############################################################################	190	#############################################################################
143		191
144	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
145		193
…		…
187	from wherever your confdir points to.	235	from wherever your confdir points to.
188		236
189	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
190		238
191	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	239	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
192	returns directly I<after> the tick processing (and consequently, can only wake one process	240	returns directly I<after> the tick processing (and consequently, can only wake one thread
193	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
194		242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
195	=item @cf::INVOKE_RESULTS	248	=item @cf::INVOKE_RESULTS
196		249
197	This array contains the results of the last C<invoke ()> call. When	250	This array contains the results of the last C<invoke ()> call. When
198	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
199	that call.	252	that call.
200		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
		259
201	=back	260	=back
202		261
203	=cut	262	=cut
204		263
205	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
206	*CORE::GLOBAL::warn = sub {	265	sub warn (@) { LOG llevWarn , join "", @_ }
		266	sub info (@) { LOG llevInfo , join "", @_ }
		267	sub debug(@) { LOG llevDebug, join "", @_ }
		268	sub trace(@) { LOG llevTrace, join "", @_ }
		269
		270	$Coro::State::WARNHOOK = sub {
207	my $msg = join "", @_;	271	my $msg = join "", @_;
208		272
209	$msg .= "\n"	273	$msg .= "\n"
210	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
211		275
212	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
213		277
214	LOG llevError, $msg;	278	LOG llevWarn, $msg;
215	};	279	};
216	}
217		280
218	$Coro::State::DIEHOOK = sub {	281	$Coro::State::DIEHOOK = sub {
219	return unless $^S eq 0; # "eq", not "=="	282	return unless $^S eq 0; # "eq", not "=="
220		283
221	if ($Coro::current == $Coro::main) {#d#	284	error Carp::longmess $_[0];
		285
		286	if (in_main) {#d#
222	warn "DIEHOOK called in main context, Coro bug?\n";#d#	287	error "DIEHOOK called in main context, Coro bug?\n";#d#
223	return;#d#	288	return;#d#
224	}#d#	289	}#d#
225		290
226	# kill coroutine otherwise	291	# kill coroutine otherwise
227	warn Carp::longmess $_[0];
228	Coro::terminate	292	Coro::terminate
229	};	293	};
230
231	$SIG{__DIE__} = sub { }; #d#?
232		294
233	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
234	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
235	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
236	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
243	for my $pkg (qw(	305	for my $pkg (qw(
244	cf::global cf::attachable	306	cf::global cf::attachable
245	cf::object cf::object::player	307	cf::object cf::object::player
246	cf::client cf::player	308	cf::client cf::player
247	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
248	cf::map cf::party cf::region	311	cf::party cf::region
249	)) {	312	)) {
250	no strict 'refs';
251	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
252	}	314	}
253		315
254	$EV::DIED = sub {	316	$EV::DIED = sub {
255	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
256	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
257		324
258	#############################################################################	325	#############################################################################
259		326
260	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
261		328
…		…
282	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	349	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
283	$d	350	$d
284	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
285	}	352	}
286		353
		354	=item $scalar = load_file $path
		355
		356	Loads the given file from path and returns its contents. Croaks on error
		357	and can block.
		358
		359	=cut
		360
		361	sub load_file($) {
		362	0 <= aio_load $_[0], my $data
		363	or Carp::croak "$_[0]: $!";
		364
		365	$data
		366	}
		367
287	=item $ref = cf::decode_json $json	368	=item $ref = cf::decode_json $json
288		369
289	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
290		371
291	=item $json = cf::encode_json $ref	372	=item $json = cf::encode_json $ref
…		…
297	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
298		379
299	sub encode_json($) { $json_coder->encode ($_[0]) }	380	sub encode_json($) { $json_coder->encode ($_[0]) }
300	sub decode_json($) { $json_coder->decode ($_[0]) }	381	sub decode_json($) { $json_coder->decode ($_[0]) }
301		382
		383	=item $ref = cf::decode_storable $scalar
		384
		385	Same as Coro::Storable::thaw, so blocks.
		386
		387	=cut
		388
		389	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		390
		391	=item $ref = cf::decode_yaml $scalar
		392
		393	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		394
		395	=cut
		396
		397	sub decode_yaml($) {
		398	fork_call { YAML::XS::Load $_[0] } @_
		399	}
		400
		401	=item $scalar = cf::unlzf $scalar
		402
		403	Same as Compress::LZF::compress, but takes server ticks into account, so
		404	blocks.
		405
		406	=cut
		407
		408	sub unlzf($) {
		409	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		410	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		411	Compress::LZF::decompress $_[0]
		412	}
		413
		414	=item cf::post_init { BLOCK }
		415
		416	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		417	but I<before> the server starts ticking again.
		418
		419	The codeblock will have a single boolean argument to indicate whether this
		420	is a reload or not.
		421
		422	=cut
		423
		424	sub post_init(&) {
		425	push @POST_INIT, shift;
		426	}
		427
		428	sub _post_init {
		429	trace "running post_init jobs";
		430
		431	# run them in parallel...
		432
		433	my @join;
		434
		435	while () {
		436	push @join, map &Coro::async ($_, 0), @POST_INIT;
		437	@POST_INIT = ();
		438
		439	@join or last;
		440
		441	(pop @join)->join;
		442	}
		443	}
		444
302	=item cf::lock_wait $string	445	=item cf::lock_wait $string
303		446
304	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
305		448
306	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
307		450
308	Wait until the given lock is available and then acquires it and returns	451	Wait until the given lock is available and then acquires it and returns
309	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	452	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
310	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
311	returned.	454	returned.
312		455
313	Locks are *not* recursive, locking from the same coro twice results in a	456	Locks are *not* recursive, locking from the same coro twice results in a
314	deadlocked coro.	457	deadlocked coro.
…		…
320		463
321	Return true if the lock is currently active, i.e. somebody has locked it.	464	Return true if the lock is currently active, i.e. somebody has locked it.
322		465
323	=cut	466	=cut
324		467
325	our %LOCK;	468	our $LOCKS = new Coro::SemaphoreSet;
326	our %LOCKER;#d#
327		469
328	sub lock_wait($) {	470	sub lock_wait($) {
329	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
330
331	if ($LOCKER{$key} == $Coro::current) {#d#
332	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
333	return;#d#
334	}#d#
335
336	# wait for lock, if any
337	while ($LOCK{$key}) {
338	push @{ $LOCK{$key} }, $Coro::current;
339	Coro::schedule;
340	}
341	}	472	}
342		473
343	sub lock_acquire($) {	474	sub lock_acquire($) {
344	my ($key) = @_;	475	$LOCKS->guard ($_[0])
345
346	# wait, to be sure we are not locked
347	lock_wait $key;
348
349	$LOCK{$key} = [];
350	$LOCKER{$key} = $Coro::current;#d#
351
352	Coro::guard {
353	delete $LOCKER{$key};#d#
354	# wake up all waiters, to be on the safe side
355	$_->ready for @{ delete $LOCK{$key} };
356	}
357	}	476	}
358		477
359	sub lock_active($) {	478	sub lock_active($) {
360	my ($key) = @_;	479	$LOCKS->count ($_[0]) < 1
361
362	! ! $LOCK{$key}
363	}	480	}
364		481
365	sub freeze_mainloop {	482	sub freeze_mainloop {
366	tick_inhibit_inc;	483	tick_inhibit_inc;
367		484
368	Coro::guard \&tick_inhibit_dec;	485	&Guard::guard (\&tick_inhibit_dec);
369	}	486	}
370		487
371	=item cf::periodic $interval, $cb	488	=item cf::periodic $interval, $cb
372		489
373	Like EV::periodic, but randomly selects a starting point so that the actions	490	Like EV::periodic, but randomly selects a starting point so that the actions
374	get spread over timer.	491	get spread over time.
375		492
376	=cut	493	=cut
377		494
378	sub periodic($$) {	495	sub periodic($$) {
379	my ($interval, $cb) = @_;	496	my ($interval, $cb) = @_;
…		…
383	EV::periodic $start, $interval, 0, $cb	500	EV::periodic $start, $interval, 0, $cb
384	}	501	}
385		502
386	=item cf::get_slot $time[, $priority[, $name]]	503	=item cf::get_slot $time[, $priority[, $name]]
387		504
388	Allocate $time seconds of blocking CPU time at priority C<$priority>:	505	Allocate $time seconds of blocking CPU time at priority C<$priority>
389	This call blocks and returns only when you have at least C<$time> seconds	506	(default: 0): This call blocks and returns only when you have at least
390	of cpu time till the next tick. The slot is only valid till the next cede.	507	C<$time> seconds of cpu time till the next tick. The slot is only valid
		508	till the next cede.
		509
		510	Background jobs should use a priority les than zero, interactive jobs
		511	should use 100 or more.
391		512
392	The optional C<$name> can be used to identify the job to run. It might be	513	The optional C<$name> can be used to identify the job to run. It might be
393	used for statistical purposes and should identify the same time-class.	514	used for statistical purposes and should identify the same time-class.
394		515
395	Useful for short background jobs.	516	Useful for short background jobs.
396		517
397	=cut	518	=cut
398		519
399	our @SLOT_QUEUE;	520	our @SLOT_QUEUE;
400	our $SLOT_QUEUE;	521	our $SLOT_QUEUE;
		522	our $SLOT_DECAY = 0.9;
401		523
402	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	524	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
403	$SLOT_QUEUE = Coro::async {	525	$SLOT_QUEUE = Coro::async {
404	$Coro::current->desc ("timeslot manager");	526	$Coro::current->desc ("timeslot manager");
405		527
406	my $signal = new Coro::Signal;	528	my $signal = new Coro::Signal;
		529	my $busy;
407		530
408	while () {	531	while () {
409	next_job:	532	next_job:
		533
410	my $avail = cf::till_tick;	534	my $avail = cf::till_tick;
411	if ($avail > 0.01) {	535
412	for (0 .. $#SLOT_QUEUE) {	536	for (0 .. $#SLOT_QUEUE) {
413	if ($SLOT_QUEUE[$_][0] < $avail) {	537	if ($SLOT_QUEUE[$_][0] <= $avail) {
		538	$busy = 0;
414	my $job = splice @SLOT_QUEUE, $_, 1, ();	539	my $job = splice @SLOT_QUEUE, $_, 1, ();
415	$job->[2]->send;	540	$job->[2]->send;
416	Coro::cede;	541	Coro::cede;
417	goto next_job;	542	goto next_job;
418	}	543	} else {
		544	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
419	}	545	}
420	}	546	}
421		547
422	if (@SLOT_QUEUE) {	548	if (@SLOT_QUEUE) {
423	# we do not use wait_for_tick() as it returns immediately when tick is inactive	549	# we do not use wait_for_tick() as it returns immediately when tick is inactive
424	push @cf::WAIT_FOR_TICK, $signal;	550	push @cf::WAIT_FOR_TICK, $signal;
425	$signal->wait;	551	$signal->wait;
426	} else {	552	} else {
		553	$busy = 0;
427	Coro::schedule;	554	Coro::schedule;
428	}	555	}
429	}	556	}
430	};	557	};
431		558
432	sub get_slot($;$$) {	559	sub get_slot($;$$) {
433	return if tick_inhibit || $Coro::current == $Coro::main;	560	return if tick_inhibit || $Coro::current == $Coro::main;
434		561
435	my ($time, $pri, $name) = @_;	562	my ($time, $pri, $name) = @_;
436		563
437	$time = $TICK * .6 if $time > $TICK * .6;	564	$time = clamp $time, 0.01, $TICK * .6;
		565
438	my $sig = new Coro::Signal;	566	my $sig = new Coro::Signal;
439		567
440	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	568	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
441	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	569	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
442	$SLOT_QUEUE->ready;	570	$SLOT_QUEUE->ready;
…		…
468	=cut	596	=cut
469		597
470	sub sync_job(&) {	598	sub sync_job(&) {
471	my ($job) = @_;	599	my ($job) = @_;
472		600
473	if ($Coro::current == $Coro::main) {	601	if (in_main) {
474	my $time = EV::time;	602	my $time = AE::time;
475		603
476	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
477	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
478		606
479	LOG llevError, Carp::longmess "sync job";#d#	607	#LOG llevError, Carp::longmess "sync job";#d#
480		608
481	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
482		610
483	my $busy = 1;	611	my $busy = 1;
484	my @res;	612	my @res;
485		613
486	(async {	614	(async {
487	$Coro::current->desc ("sync job coro");	615	$Coro::current->desc ("sync job coro");
488	@res = eval { $job->() };	616	@res = eval { $job->() };
489	warn $@ if $@;	617	error $@ if $@;
490	undef $busy;	618	undef $busy;
491	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
492		620
493	while ($busy) {	621	while ($busy) {
494	if (Coro::nready) {	622	if (Coro::nready) {
…		…
496	} else {	624	} else {
497	EV::loop EV::LOOP_ONESHOT;	625	EV::loop EV::LOOP_ONESHOT;
498	}	626	}
499	}	627	}
500		628
501	my $time = EV::time - $time;	629	my $time = AE::time - $time;
502		630
503	$TICK_START += $time; # do not account sync jobs to server load	631	$TICK_START += $time; # do not account sync jobs to server load
504		632
505	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
506	} else {	634	} else {
…		…
528	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
529		657
530	$coro	658	$coro
531	}	659	}
532		660
533	=item fork_call { }, $args	661	=item fork_call { }, @args
534		662
535	Executes the given code block with the given arguments in a seperate	663	Executes the given code block with the given arguments in a seperate
536	process, returning the results. Everything must be serialisable with	664	process, returning the results. Everything must be serialisable with
537	Coro::Storable. May, of course, block. Note that the executed sub may	665	Coro::Storable. May, of course, block. Note that the executed sub may
538	never block itself or use any form of event handling.	666	never block itself or use any form of event handling.
539		667
540	=cut	668	=cut
541		669
		670	sub post_fork {
		671	reset_signals;
		672	}
		673
542	sub fork_call(&@) {	674	sub fork_call(&@) {
543	my ($cb, @args) = @_;	675	my ($cb, @args) = @_;
544		676
545	# we seemingly have to make a local copy of the whole thing,	677	# we seemingly have to make a local copy of the whole thing,
546	# otherwise perl prematurely frees the stuff :/	678	# otherwise perl prematurely frees the stuff :/
547	# TODO: investigate and fix (likely this will be rather laborious)	679	# TODO: investigate and fix (likely this will be rather laborious)
548		680
549	my @res = Coro::Util::fork_eval {	681	my @res = Coro::Util::fork_eval {
550	reset_signals;	682	cf::post_fork;
551	&$cb	683	&$cb
552	}, @args;	684	} @args;
553		685
554	wantarray ? @res : $res[-1]	686	wantarray ? @res : $res[-1]
		687	}
		688
		689	sub objinfo {
		690	(
		691	"counter value" => cf::object::object_count,
		692	"objects created" => cf::object::create_count,
		693	"objects destroyed" => cf::object::destroy_count,
		694	"freelist size" => cf::object::free_count,
		695	"allocated objects" => cf::object::objects_size,
		696	"active objects" => cf::object::actives_size,
		697	)
555	}	698	}
556		699
557	=item $coin = coin_from_name $name	700	=item $coin = coin_from_name $name
558		701
559	=cut	702	=cut
…		…
596	within each server.	739	within each server.
597		740
598	=cut	741	=cut
599		742
600	sub db_table($) {	743	sub db_table($) {
		744	cf::error "db_get called from main context"
		745	if $Coro::current == $Coro::main;
		746
601	my ($name) = @_;	747	my ($name) = @_;
602	my $db = BDB::db_create $DB_ENV;	748	my $db = BDB::db_create $DB_ENV;
603		749
604	eval {	750	eval {
605	$db->set_flags (BDB::CHKSUM);	751	$db->set_flags (BDB::CHKSUM);
…		…
615	}	761	}
616		762
617	our $DB;	763	our $DB;
618		764
619	sub db_init {	765	sub db_init {
620	cf::sync_job {
621	$DB ||= db_table "db";	766	$DB ||= db_table "db";
622	};
623	}	767	}
624		768
625	sub db_get($$) {	769	sub db_get($$) {
626	my $key = "$_[0]/$_[1]";	770	my $key = "$_[0]/$_[1]";
627		771
628	cf::sync_job {	772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
629	BDB::db_get $DB, undef, $key, my $data;	775	BDB::db_get $DB, undef, $key, my $data;
630		776
631	$! ? ()	777	$! ? ()
632	: $data	778	: $data
633	}
634	}	779	}
635		780
636	sub db_put($$$) {	781	sub db_put($$$) {
637	BDB::dbreq_pri 4;	782	BDB::dbreq_pri 4;
638	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
666		811
667	my @data;	812	my @data;
668	my $md5;	813	my $md5;
669		814
670	for (0 .. $#$src) {	815	for (0 .. $#$src) {
671	0 <= aio_load $src->[$_], $data[$_]	816	$data[$_] = load_file $src->[$_];
672	or Carp::croak "$src->[$_]: $!";
673	}	817	}
674		818
675	# if processing is expensive, check	819	# if processing is expensive, check
676	# checksum first	820	# checksum first
677	if (1) {	821	if (1) {
…		…
694		838
695	my $t1 = Time::HiRes::time;	839	my $t1 = Time::HiRes::time;
696	my $data = $process->(\@data);	840	my $data = $process->(\@data);
697	my $t2 = Time::HiRes::time;	841	my $t2 = Time::HiRes::time;
698		842
699	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
700		844
701	db_put cache => "$id/data", $data;	845	db_put cache => "$id/data", $data;
702	db_put cache => "$id/md5" , $md5;	846	db_put cache => "$id/md5" , $md5;
703	db_put cache => "$id/meta", $meta;	847	db_put cache => "$id/meta", $meta;
704		848
…		…
714		858
715	=cut	859	=cut
716		860
717	sub datalog($@) {	861	sub datalog($@) {
718	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
719	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
720	}	864	}
721		865
722	=back	866	=back
723		867
724	=cut	868	=cut
725		869
726	#############################################################################	870	#############################################################################
727		871
728	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
729		873
730	Many objects in crossfire are so-called attachable objects. That means you can	874	Many objects in deliantra are so-called attachable objects. That means you can
731	attach callbacks/event handlers (a collection of which is called an "attachment")	875	attach callbacks/event handlers (a collection of which is called an "attachment")
732	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
733		877
734	In the following description, CLASS can be any of C<global>, C<object>	878	In the following description, CLASS can be any of C<global>, C<object>
735	C<player>, C<client> or C<map> (i.e. the attachable objects in	879	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
785	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
786		930
787	Register an attachment by C<$name> through which attachable objects of the	931	Register an attachment by C<$name> through which attachable objects of the
788	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
789		933
790	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
791	that are attached at load/instantiate time, thus the need for a name.	935	that are attached at load/instantiate time, thus the need for a name.
792		936
793	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
794		938
795	=over 4	939	=over 4
…		…
919		1063
920	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
921	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
922		1066
923	} elsif (ref $type) {	1067	} elsif (ref $type) {
924	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
925		1069
926	} else {	1070	} else {
927	shift @arg;	1071	shift @arg;
928	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
929	}	1073	}
930	}	1074	}
931	}	1075	}
932		1076
933	sub _object_attach {	1077	sub _object_attach {
…		…
943	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
944	}	1088	}
945		1089
946	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
947	} else {	1091	} else {
948	warn "object uses attachment '$name' which is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
949	}	1093	}
950		1094
951	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
952	}	1096	}
953		1097
…		…
1012		1156
1013	for (@$callbacks) {	1157	for (@$callbacks) {
1014	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
1015		1159
1016	if ($@) {	1160	if ($@) {
1017	warn "$@";
1018	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1019	override;	1162	override;
1020	}	1163	}
1021		1164
1022	return 1 if $override;	1165	return 1 if $override;
1023	}	1166	}
…		…
1086		1229
1087	sub reattach {	1230	sub reattach {
1088	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
1089	my ($obj) = @_;	1232	my ($obj) = @_;
1090		1233
		1234	# no longer needed after getting rid of delete_package?
1091	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1235	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1092		1236
1093	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
1094		1238
1095	@$registry = ();	1239	@$registry = ();
1096		1240
…		…
1101	for (@$attach) {	1245	for (@$attach) {
1102	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
1103	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
1104	}	1248	}
1105	} else {	1249	} else {
1106	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
1107	}	1251	}
1108	}	1252	}
1109	}	1253	}
1110		1254
1111	cf::attachable->attach (	1255	cf::attachable->attach (
…		…
1138	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
1139		1283
1140	sync_job {	1284	sync_job {
1141	if (length $$rdata) {	1285	if (length $$rdata) {
1142	utf8::decode (my $decname = $filename);	1286	utf8::decode (my $decname = $filename);
1143	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
1144	$decname, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
1145		1290
1146	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1147	aio_chmod $fh, SAVE_MODE;	1292	aio_chmod $fh, SAVE_MODE;
1148	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1149	aio_fsync $fh if $cf::USE_FSYNC;	1294	if ($cf::USE_FSYNC) {
		1295	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;
		1296	aio_fsync $fh;
		1297	}
1150	aio_close $fh;	1298	aio_close $fh;
1151		1299
1152	if (@$objs) {	1300	if (@$objs) {
1153	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1301	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1154	aio_chmod $fh, SAVE_MODE;	1302	aio_chmod $fh, SAVE_MODE;
1155	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1156	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
1157	aio_fsync $fh if $cf::USE_FSYNC;	1305	if ($cf::USE_FSYNC) {
		1306	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;
		1307	aio_fsync $fh;
		1308	}
1158	aio_close $fh;	1309	aio_close $fh;
1159	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
1160	}	1311	}
1161	} else {	1312	} else {
1162	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
1163	}	1314	}
1164		1315
1165	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
1166	} else {	1320	} else {
1167	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
1168	}	1322	}
1169	} else {	1323	} else {
1170	aio_unlink $filename;	1324	aio_unlink $filename;
1171	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
1172	}	1326	}
…		…
1196	my $st = eval { Coro::Storable::thaw $av };	1350	my $st = eval { Coro::Storable::thaw $av };
1197	$av = $st->{objs};	1351	$av = $st->{objs};
1198	}	1352	}
1199		1353
1200	utf8::decode (my $decname = $filename);	1354	utf8::decode (my $decname = $filename);
1201	warn sprintf "loading %s (%d,%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
1202	$decname, length $data, scalar @{$av || []};	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
1203		1358
1204	($data, $av)	1359	($data, $av)
1205	}	1360	}
1206		1361
1207	=head2 COMMAND CALLBACKS	1362	=head2 COMMAND CALLBACKS
…		…
1263	my ($name, $cb) = @_;	1418	my ($name, $cb) = @_;
1264		1419
1265	$EXTICMD{$name} = $cb;	1420	$EXTICMD{$name} = $cb;
1266	}	1421	}
1267		1422
		1423	use File::Glob ();
		1424
1268	cf::player->attach (	1425	cf::player->attach (
1269	on_command => sub {	1426	on_unknown_command => sub {
1270	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
1271		1428
1272	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
1273	or return;	1430	or return;
1274		1431
…		…
1297		1454
1298	$pl->ext_reply ($reply, @reply)	1455	$pl->ext_reply ($reply, @reply)
1299	if $reply;	1456	if $reply;
1300		1457
1301	} else {	1458	} else {
1302	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1303	}	1460	}
1304		1461
1305	cf::override;	1462	cf::override;
1306	},	1463	},
1307	);	1464	);
1308		1465
		1466	# "readahead" all extensions
		1467	sub cache_extensions {
		1468	my $grp = IO::AIO::aio_group;
		1469
		1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1471	for (grep /\.ext$/, @{$_[0]}) {
		1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1473	}
		1474	};
		1475
		1476	$grp
		1477	}
		1478
1309	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
1310	cf::sync_job {	1482	cf::sync_job {
1311	my %todo;	1483	my %todo;
1312		1484
1313	for my $path (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
1314	next unless -r $path;	1486	next unless -r $path;
…		…
1332		1504
1333	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1334	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1335		1507
1336	$ext{source} =	1508	$ext{source} =
1337	"package $pkg; use strict; use utf8;\n"	1509	"package $pkg; use common::sense;\n"
1338	. "#line 1 \"$path\"\n{\n"	1510	. "#line 1 \"$path\"\n{\n"
1339	. $source	1511	. $source
1340	. "\n};\n1";	1512	. "\n};\n1";
1341		1513
1342	$todo{$base} = \%ext;	1514	$todo{$base} = \%ext;
1343	}	1515	}
1344		1516
		1517	my $pass = 0;
1345	my %done;	1518	my %done;
1346	while (%todo) {	1519	while (%todo) {
1347	my $progress;	1520	my $progress;
1348		1521
		1522	++$pass;
		1523
		1524	ext:
1349	while (my ($k, $v) = each %todo) {	1525	while (my ($k, $v) = each %todo) {
1350	for (split /,\s*/, $v->{meta}{depends}) {	1526	for (split /,\s*/, $v->{meta}{depends}) {
1351	goto skip	1527	next ext
1352	unless exists $done{$_};	1528	unless exists $done{$_};
1353	}	1529	}
1354		1530
1355	warn "... loading '$k' into '$v->{pkg}'\n";	1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1356		1532
1357	unless (eval $v->{source}) {	1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
1358	my $msg = $@ ? "$v->{path}: $@\n"	1536	error "$v->{path}: $@\n";
1359	: "$v->{base}: extension inactive.\n";
1360		1537
1361	if (exists $v->{meta}{mandatory}) {
1362	warn $msg;
1363	cf::cleanup "mandatory extension failed to load, exiting.";	1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1364	}	1539	if exists $v->{meta}{mandatory};
1365		1540
1366	warn $msg;	1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1542	delete $todo{$k};
		1543	} else {
		1544	$done{$k} = delete $todo{$k};
		1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
1367	}	1550	}
1368
1369	$done{$k} = delete $todo{$k};
1370	push @EXTS, $v->{pkg};
1371	$progress = 1;
1372	}	1551	}
1373		1552
1374	skip:	1553	unless ($progress) {
1375	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1376	unless $progress;	1555
		1556	while (my ($k, $v) = each %todo) {
		1557	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559	}
		1560
		1561	last;
		1562	}
1377	}	1563	}
1378	};	1564	};
1379	}	1565	}
1380		1566
1381	#############################################################################	1567	#############################################################################
1382		1568
1383	=back	1569	=back
1384		1570
1385	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
1386		1572
1387	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
1388		1574
1389	=cut	1575	=cut
1390		1576
1391	package cf::player;	1577	package cf::player;
1392		1578
…		…
1435		1621
1436	sub exists($) {	1622	sub exists($) {
1437	my ($login) = @_;	1623	my ($login) = @_;
1438		1624
1439	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
1440	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
1441	}	1627	}
1442		1628
1443	sub find($) {	1629	sub find($) {
1444	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
1445	my $login = $_[0];	1631	my $login = $_[0];
…		…
1465	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1466	}	1652	}
1467	}	1653	}
1468	}	1654	}
1469		1655
		1656	cf::player->attach (
		1657	on_load => sub {
		1658	my ($pl, $path) = @_;
		1659
		1660	# restore slots saved in save, below
		1661	my $slots = delete $pl->{_slots};
		1662
		1663	$pl->ob->current_weapon ($slots->[0]);
		1664	$pl->combat_ob ($slots->[1]);
		1665	$pl->ranged_ob ($slots->[2]);
		1666	},
		1667	);
		1668
1470	sub save($) {	1669	sub save($) {
1471	my ($pl) = @_;	1670	my ($pl) = @_;
1472		1671
1473	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
1474		1673
…		…
1479		1678
1480	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1481	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
1482		1681
1483	cf::get_slot 0.01;	1682	cf::get_slot 0.01;
		1683
		1684	# save slots, to be restored later
		1685	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1484		1686
1485	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1486	cf::cede_to_tick;	1688	cf::cede_to_tick;
1487	}	1689	}
1488		1690
…		…
1520	my ($pl) = @_;	1722	my ($pl) = @_;
1521		1723
1522	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1523		1725
1524	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1525	$pl->password ("*"); # this should lock out the player until we nuked the dir	1727	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1526		1728
1527	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1528	$pl->deactivate;	1730	$pl->deactivate;
		1731
1529	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;	1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1530	$pl->ob->check_score;
1531	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1532	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1533		1737
1534	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1535	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1536	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1590	\@logins	1794	\@logins
1591	}	1795	}
1592		1796
1593	=item $player->maps	1797	=item $player->maps
1594		1798
		1799	=item cf::player::maps $login
		1800
1595	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1596	player. May block.	1802	player. May block.
1597		1803
1598	=cut	1804	=cut
1599		1805
…		…
1616	}	1822	}
1617		1823
1618	\@paths	1824	\@paths
1619	}	1825	}
1620		1826
1621	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1622		1828
1623	Expand crossfire pod fragments into protocol xml.	1829	Expand deliantra pod fragments into protocol xml.
1624
1625	=cut
1626
1627	use re 'eval';
1628
1629	my $group;
1630	my $interior; $interior = qr{
1631	# match a pod interior sequence sans C<< >>
1632	(?:
1633	\ (.*?)\ (?{ $group = $^N })
1634	| < (??{$interior}) >
1635	)
1636	}x;
1637
1638	sub expand_cfpod {
1639	my ($self, $pod) = @_;
1640
1641	my $xml;
1642
1643	while () {
1644	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1645	$group = $1;
1646
1647	$group =~ s/&/&amp;/g;
1648	$group =~ s/</&lt;/g;
1649
1650	$xml .= $group;
1651	} elsif ($pod =~ m%\G
1652	([BCGHITU])
1653	<
1654	(?:
1655	([^<>]*) (?{ $group = $^N })
1656	| < $interior >
1657	)
1658	>
1659	%gcsx
1660	) {
1661	my ($code, $data) = ($1, $group);
1662
1663	if ($code eq "B") {
1664	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1665	} elsif ($code eq "I") {
1666	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1667	} elsif ($code eq "U") {
1668	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1669	} elsif ($code eq "C") {
1670	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1671	} elsif ($code eq "T") {
1672	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1673	} elsif ($code eq "G") {
1674	my ($male, $female) = split /\|/, $data;
1675	$data = $self->gender ? $female : $male;
1676	$xml .= expand_cfpod ($self, $data);
1677	} elsif ($code eq "H") {
1678	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1679	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1680	"")
1681	[$self->{hintmode}];
1682	} else {
1683	$xml .= "error processing '$code($data)' directive";
1684	}
1685	} else {
1686	if ($pod =~ /\G(.+)/) {
1687	warn "parse error while expanding $pod (at $1)";
1688	}
1689	last;
1690	}
1691	}
1692
1693	for ($xml) {
1694	# create single paragraphs (very hackish)
1695	s/(?<=\S)\n(?=\w)/ /g;
1696
1697	# compress some whitespace
1698	s/\s+\n/\n/g; # ws line-ends
1699	s/\n\n+/\n/g; # double lines
1700	s/^\n+//; # beginning lines
1701	s/\n+$//; # ending lines
1702	}
1703
1704	$xml
1705	}
1706
1707	no re 'eval';
1708
1709	sub hintmode {
1710	$_[0]{hintmode} = $_[1] if @_ > 1;
1711	$_[0]{hintmode}
1712	}
1713		1830
1714	=item $player->ext_reply ($msgid, @msg)	1831	=item $player->ext_reply ($msgid, @msg)
1715		1832
1716	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1717		1834
…		…
1749		1866
1750	=cut	1867	=cut
1751		1868
1752	sub find_by_path($) {	1869	sub find_by_path($) {
1753	my ($path) = @_;	1870	my ($path) = @_;
		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
1754		1873
1755	my ($match, $specificity);	1874	my ($match, $specificity);
1756		1875
1757	for my $region (list) {	1876	for my $region (list) {
1758	if ($region->{match} && $path =~ $region->{match}) {	1877	if ($region->{match} && $path =~ $region->{match}) {
…		…
1787	sub generate_random_map {	1906	sub generate_random_map {
1788	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1789		1908
1790	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM	1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1791		1910
1792	# mit "rum" bekleckern, nicht
1793	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1794	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1795	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1796	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1797	$rmp->{exit_on_final_map},
1798	$rmp->{xsize}, $rmp->{ysize},
1799	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1800	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1801	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1802	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1803	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1804	(cf::region::find $rmp->{region}), $rmp->{custom}
1805	)
1806	}	1912	}
1807		1913
1808	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1809		1915
1810	Register a handler for the map path matching the given regex at the	1916	Register a handler for the map path matching the given regex at the
…		…
1815		1921
1816	sub register {	1922	sub register {
1817	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1818	my $pkg = caller;	1924	my $pkg = caller;
1819		1925
1820	no strict;
1821	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1822		1927
1823	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1824	}	1929	}
1825		1930
1826	# also paths starting with '/'	1931	# also paths starting with '/'
1827	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1828		1933
1829	sub thawer_merge {	1934	sub thawer_merge {
1830	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1831		1936
1832	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
…		…
1837	}	1942	}
1838		1943
1839	sub normalise {	1944	sub normalise {
1840	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1841		1946
1842	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1843		1948
1844	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1845		1950
1846	# map plan:	1951	# map plan:
1847	#	1952	#
…		…
1862	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1863	$path = "$base/$path";	1968	$path = "$base/$path";
1864	}	1969	}
1865		1970
1866	for ($path) {	1971	for ($path) {
1867	redo if s{//}{/};
1868	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1869	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1870	}	1974	}
1871		1975
1872	$path	1976	$path
…		…
1886	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1887	return $self;	1991	return $self;
1888	}	1992	}
1889	}	1993	}
1890		1994
1891	Carp::cluck "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1892	()	1996	()
1893	}	1997	}
1894		1998
		1999	# may re-bless or do other evil things
1895	sub init {	2000	sub init {
1896	my ($self) = @_;	2001	my ($self) = @_;
1897		2002
1898	$self	2003	$self
1899	}	2004	}
…		…
1930		2035
1931	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1932	"$UNIQUEDIR/$path"	2037	"$UNIQUEDIR/$path"
1933	}	2038	}
1934		2039
1935	# and all this just because we cannot iterate over
1936	# all maps in C++...
1937	sub change_all_map_light {
1938	my ($change) = @_;
1939
1940	$_->change_map_light ($change)
1941	for grep $_->outdoor, values %cf::MAP;
1942	}
1943
1944	sub decay_objects {	2040	sub decay_objects {
1945	my ($self) = @_;	2041	my ($self) = @_;
1946		2042
1947	return if $self->{deny_reset};	2043	return if $self->{deny_reset};
1948		2044
…		…
1973	$self->{load_path} = $path;	2069	$self->{load_path} = $path;
1974		2070
1975	1	2071	1
1976	}	2072	}
1977		2073
		2074	# used to laod the header of an original map
1978	sub load_header_orig {	2075	sub load_header_orig {
1979	my ($self) = @_;	2076	my ($self) = @_;
1980		2077
1981	$self->load_header_from ($self->load_path)	2078	$self->load_header_from ($self->load_path)
1982	}	2079	}
1983		2080
		2081	# used to laod the header of an instantiated map
1984	sub load_header_temp {	2082	sub load_header_temp {
1985	my ($self) = @_;	2083	my ($self) = @_;
1986		2084
1987	$self->load_header_from ($self->save_path)	2085	$self->load_header_from ($self->save_path)
1988	}	2086	}
1989		2087
		2088	# called after loading the header from an instantiated map
1990	sub prepare_temp {	2089	sub prepare_temp {
1991	my ($self) = @_;	2090	my ($self) = @_;
1992		2091
1993	$self->last_access ((delete $self->{last_access})	2092	$self->last_access ((delete $self->{last_access})
1994	|| $cf::RUNTIME); #d#	2093	|| $cf::RUNTIME); #d#
1995	# safety	2094	# safety
1996	$self->{instantiate_time} = $cf::RUNTIME	2095	$self->{instantiate_time} = $cf::RUNTIME
1997	if $self->{instantiate_time} > $cf::RUNTIME;	2096	if $self->{instantiate_time} > $cf::RUNTIME;
1998	}	2097	}
1999		2098
		2099	# called after loading the header from an original map
2000	sub prepare_orig {	2100	sub prepare_orig {
2001	my ($self) = @_;	2101	my ($self) = @_;
2002		2102
2003	$self->{load_original} = 1;	2103	$self->{load_original} = 1;
2004	$self->{instantiate_time} = $cf::RUNTIME;	2104	$self->{instantiate_time} = $cf::RUNTIME;
…		…
2028		2128
2029	sub find;	2129	sub find;
2030	sub find {	2130	sub find {
2031	my ($path, $origin) = @_;	2131	my ($path, $origin) = @_;
2032		2132
		2133	cf::cede_to_tick;
		2134
2033	$path = normalise $path, $origin && $origin->path;	2135	$path = normalise $path, $origin;
2034		2136
2035	cf::lock_wait "map_data:$path";#d#remove	2137	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2036	cf::lock_wait "map_find:$path";	2138	my $guard2 = cf::lock_acquire "map_find:$path";
2037		2139
2038	$cf::MAP{$path} || do {	2140	$cf::MAP{$path} || do {
2039	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2040	my $guard2 = cf::lock_acquire "map_find:$path";
2041
2042	my $map = new_from_path cf::map $path	2141	my $map = new_from_path cf::map $path
2043	or return;	2142	or return;
2044		2143
2045	$map->{last_save} = $cf::RUNTIME;	2144	$map->{last_save} = $cf::RUNTIME;
2046		2145
…		…
2058		2157
2059	$cf::MAP{$path} = $map	2158	$cf::MAP{$path} = $map
2060	}	2159	}
2061	}	2160	}
2062		2161
2063	sub pre_load { }	2162	sub pre_load { }
2064	sub post_load { }	2163	#sub post_load { } # XS
2065		2164
2066	sub load {	2165	sub load {
2067	my ($self) = @_;	2166	my ($self) = @_;
2068		2167
2069	local $self->{deny_reset} = 1; # loading can take a long time	2168	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2081	$self->alloc;	2180	$self->alloc;
2082		2181
2083	$self->pre_load;	2182	$self->pre_load;
2084	cf::cede_to_tick;	2183	cf::cede_to_tick;
2085		2184
		2185	if (exists $self->{load_path}) {
2086	my $f = new_from_file cf::object::thawer $self->{load_path};	2186	my $f = new_from_file cf::object::thawer $self->{load_path};
2087	$f->skip_block;	2187	$f->skip_block;
2088	$self->_load_objects ($f)	2188	$self->_load_objects ($f)
2089	or return;	2189	or return;
2090		2190
2091	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2191	$self->post_load_original
2092	if delete $self->{load_original};	2192	if delete $self->{load_original};
2093		2193
2094	if (my $uniq = $self->uniq_path) {	2194	if (my $uniq = $self->uniq_path) {
2095	utf8::encode $uniq;	2195	utf8::encode $uniq;
2096	unless (aio_stat $uniq) {	2196	unless (aio_stat $uniq) {
2097	if (my $f = new_from_file cf::object::thawer $uniq) {	2197	if (my $f = new_from_file cf::object::thawer $uniq) {
2098	$self->clear_unique_items;	2198	$self->clear_unique_items;
2099	$self->_load_objects ($f);	2199	$self->_load_objects ($f);
2100	$f->resolve_delayed_derefs;	2200	$f->resolve_delayed_derefs;
		2201	}
2101	}	2202	}
2102	}	2203	}
2103	}
2104		2204
2105	$f->resolve_delayed_derefs;	2205	$f->resolve_delayed_derefs;
		2206	} else {
		2207	$self->post_load_original
		2208	if delete $self->{load_original};
		2209	}
2106		2210
2107	cf::cede_to_tick;	2211	cf::cede_to_tick;
2108	# now do the right thing for maps	2212	# now do the right thing for maps
2109	$self->link_multipart_objects;	2213	$self->link_multipart_objects;
2110	$self->difficulty ($self->estimate_difficulty)	2214	$self->difficulty ($self->estimate_difficulty)
…		…
2114	unless ($self->{deny_activate}) {	2218	unless ($self->{deny_activate}) {
2115	$self->decay_objects;	2219	$self->decay_objects;
2116	$self->fix_auto_apply;	2220	$self->fix_auto_apply;
2117	$self->update_buttons;	2221	$self->update_buttons;
2118	cf::cede_to_tick;	2222	cf::cede_to_tick;
2119	$self->set_darkness_map;	2223	#$self->activate; # no longer activate maps automatically
2120	cf::cede_to_tick;
2121	$self->activate;
2122	}	2224	}
2123		2225
2124	$self->{last_save} = $cf::RUNTIME;	2226	$self->{last_save} = $cf::RUNTIME;
2125	$self->last_access ($cf::RUNTIME);	2227	$self->last_access ($cf::RUNTIME);
2126		2228
2127	$self->in_memory (cf::MAP_ACTIVE);	2229	$self->in_memory (cf::MAP_ACTIVE);
2128	}	2230	}
2129		2231
2130	$self->post_load;	2232	$self->post_load;
2131	}
2132		2233
		2234	1
		2235	}
		2236
		2237	# customize the map for a given player, i.e.
		2238	# return the _real_ map. used by e.g. per-player
		2239	# maps to change the path to ~playername/mappath
2133	sub customise_for {	2240	sub customise_for {
2134	my ($self, $ob) = @_;	2241	my ($self, $ob) = @_;
2135		2242
2136	return find "~" . $ob->name . "/" . $self->{path}	2243	return find "~" . $ob->name . "/" . $self->{path}
2137	if $self->per_player;	2244	if $self->per_player;
…		…
2153	or next;	2260	or next;
2154	$neigh = find $neigh, $map	2261	$neigh = find $neigh, $map
2155	or next;	2262	or next;
2156	$neigh->load;	2263	$neigh->load;
2157		2264
		2265	# now find the diagonal neighbours
2158	push @neigh,	2266	push @neigh,
2159	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2267	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2160	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2268	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2161	}	2269	}
2162		2270
…		…
2169	}	2277	}
2170		2278
2171	sub find_sync {	2279	sub find_sync {
2172	my ($path, $origin) = @_;	2280	my ($path, $origin) = @_;
2173		2281
2174	cf::sync_job { find $path, $origin }	2282	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2283	if $Coro::current == $Coro::main;
		2284
		2285	find $path, $origin
2175	}	2286	}
2176		2287
2177	sub do_load_sync {	2288	sub do_load_sync {
2178	my ($map) = @_;	2289	my ($map) = @_;
2179		2290
2180	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2291	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2181	if $Coro::current == $Coro::main;	2292	if $Coro::current == $Coro::main;
2182		2293
2183	cf::sync_job { $map->load };	2294	$map->load;
2184	}	2295	}
2185		2296
2186	our %MAP_PREFETCH;	2297	our %MAP_PREFETCH;
2187	our $MAP_PREFETCHER = undef;	2298	our $MAP_PREFETCHER = undef;
2188		2299
2189	sub find_async {	2300	sub find_async {
2190	my ($path, $origin, $load) = @_;	2301	my ($path, $origin, $load) = @_;
2191		2302
2192	$path = normalise $path, $origin && $origin->{path};	2303	$path = normalise $path, $origin;
2193		2304
2194	if (my $map = $cf::MAP{$path}) {	2305	if (my $map = $cf::MAP{$path}) {
2195	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;	2306	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2196	}	2307	}
2197		2308
…		…
2214	$MAP_PREFETCHER->prio (6);	2325	$MAP_PREFETCHER->prio (6);
2215		2326
2216	()	2327	()
2217	}	2328	}
2218		2329
		2330	# common code, used by both ->save and ->swapout
2219	sub save {	2331	sub _save {
2220	my ($self) = @_;	2332	my ($self) = @_;
2221
2222	my $lock = cf::lock_acquire "map_data:$self->{path}";
2223		2333
2224	$self->{last_save} = $cf::RUNTIME;	2334	$self->{last_save} = $cf::RUNTIME;
2225		2335
2226	return unless $self->dirty;	2336	return unless $self->dirty;
2227		2337
…		…
2247	} else {	2357	} else {
2248	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2358	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2249	}	2359	}
2250	}	2360	}
2251		2361
		2362	sub save {
		2363	my ($self) = @_;
		2364
		2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2366
		2367	$self->_save;
		2368	}
		2369
2252	sub swap_out {	2370	sub swap_out {
2253	my ($self) = @_;	2371	my ($self) = @_;
2254		2372
2255	# save first because save cedes
2256	$self->save;
2257
2258	my $lock = cf::lock_acquire "map_data:$self->{path}";	2373	my $lock = cf::lock_acquire "map_data:$self->{path}";
2259		2374
2260	return if $self->players;
2261	return if $self->in_memory != cf::MAP_ACTIVE;	2375	return if $self->in_memory != cf::MAP_ACTIVE;
2262	return if $self->{deny_save};	2376	return if $self->{deny_save};
		2377	return if $self->players;
2263		2378
		2379	# first deactivate the map and "unlink" it from the core
		2380	$self->deactivate;
		2381	$_->clear_links_to ($self) for values %cf::MAP;
2264	$self->in_memory (cf::MAP_SWAPPED);	2382	$self->in_memory (cf::MAP_SWAPPED);
		2383
		2384	# then atomically save
		2385	$self->_save;
		2386
		2387	# then free the map
		2388	$self->clear;
		2389	}
		2390
		2391	sub reset_at {
		2392	my ($self) = @_;
		2393
		2394	# TODO: safety, remove and allow resettable per-player maps
		2395	return 1e99 if $self->{deny_reset};
		2396
		2397	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2398	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2399
		2400	$time + $to
		2401	}
		2402
		2403	sub should_reset {
		2404	my ($self) = @_;
		2405
		2406	$self->reset_at <= $cf::RUNTIME
		2407	}
		2408
		2409	sub reset {
		2410	my ($self) = @_;
		2411
		2412	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2413
		2414	return if $self->players;
		2415
		2416	cf::trace "resetting map ", $self->path, "\n";
		2417
		2418	$self->in_memory (cf::MAP_SWAPPED);
		2419
		2420	# need to save uniques path
		2421	unless ($self->{deny_save}) {
		2422	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2423
		2424	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2425	if $uniq;
		2426	}
		2427
		2428	delete $cf::MAP{$self->path};
2265		2429
2266	$self->deactivate;	2430	$self->deactivate;
2267	$_->clear_links_to ($self) for values %cf::MAP;	2431	$_->clear_links_to ($self) for values %cf::MAP;
2268	$self->clear;	2432	$self->clear;
2269	}
2270
2271	sub reset_at {
2272	my ($self) = @_;
2273
2274	# TODO: safety, remove and allow resettable per-player maps
2275	return 1e99 if $self->{deny_reset};
2276
2277	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2278	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2279
2280	$time + $to
2281	}
2282
2283	sub should_reset {
2284	my ($self) = @_;
2285
2286	$self->reset_at <= $cf::RUNTIME
2287	}
2288
2289	sub reset {
2290	my ($self) = @_;
2291
2292	my $lock = cf::lock_acquire "map_data:$self->{path}";
2293
2294	return if $self->players;
2295
2296	warn "resetting map ", $self->path;
2297
2298	$self->in_memory (cf::MAP_SWAPPED);
2299
2300	# need to save uniques path
2301	unless ($self->{deny_save}) {
2302	my $uniq = $self->uniq_path; utf8::encode $uniq;
2303
2304	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2305	if $uniq;
2306	}
2307
2308	delete $cf::MAP{$self->path};
2309
2310	$self->deactivate;
2311	$_->clear_links_to ($self) for values %cf::MAP;
2312	$self->clear;
2313		2433
2314	$self->unlink_save;	2434	$self->unlink_save;
2315	$self->destroy;	2435	$self->destroy;
2316	}	2436	}
2317		2437
…		…
2325		2445
2326	delete $cf::MAP{$self->path};	2446	delete $cf::MAP{$self->path};
2327		2447
2328	$self->unlink_save;	2448	$self->unlink_save;
2329		2449
2330	bless $self, "cf::map";	2450	bless $self, "cf::map::wrap";
2331	delete $self->{deny_reset};	2451	delete $self->{deny_reset};
2332	$self->{deny_save} = 1;	2452	$self->{deny_save} = 1;
2333	$self->reset_timeout (1);	2453	$self->reset_timeout (1);
2334	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2454	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2335		2455
…		…
2392	: normalise $_	2512	: normalise $_
2393	} @{ aio_readdir $UNIQUEDIR or [] }	2513	} @{ aio_readdir $UNIQUEDIR or [] }
2394	]	2514	]
2395	}	2515	}
2396		2516
		2517	=item cf::map::static_maps
		2518
		2519	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2520	file in the shared directory excluding F</styles> and F</editor>). May
		2521	block.
		2522
		2523	=cut
		2524
		2525	sub static_maps() {
		2526	my @dirs = "";
		2527	my @maps;
		2528
		2529	while (@dirs) {
		2530	my $dir = shift @dirs;
		2531
		2532	next if $dir eq "/styles" || $dir eq "/editor";
		2533
		2534	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2535	or return;
		2536
		2537	for (@$files) {
		2538	s/\.map$// or next;
		2539	utf8::decode $_;
		2540	push @maps, "$dir/$_";
		2541	}
		2542
		2543	push @dirs, map "$dir/$_", @$dirs;
		2544	}
		2545
		2546	\@maps
		2547	}
		2548
2397	=back	2549	=back
2398		2550
2399	=head3 cf::object	2551	=head3 cf::object
2400		2552
2401	=cut	2553	=cut
…		…
2466		2618
2467	our $SAY_CHANNEL = {	2619	our $SAY_CHANNEL = {
2468	id => "say",	2620	id => "say",
2469	title => "Map",	2621	title => "Map",
2470	reply => "say ",	2622	reply => "say ",
2471	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",	2623	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2472	};	2624	};
2473		2625
2474	our $CHAT_CHANNEL = {	2626	our $CHAT_CHANNEL = {
2475	id => "chat",	2627	id => "chat",
2476	title => "Chat",	2628	title => "Chat",
…		…
2531		2683
2532	=item $player_object->enter_link	2684	=item $player_object->enter_link
2533		2685
2534	Freezes the player and moves him/her to a special map (C<{link}>).	2686	Freezes the player and moves him/her to a special map (C<{link}>).
2535		2687
2536	The player should be reasonably safe there for short amounts of time. You	2688	The player should be reasonably safe there for short amounts of time (e.g.
2537	I<MUST> call C<leave_link> as soon as possible, though.	2689	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2690	though, as the player cannot control the character while it is on the link
		2691	map.
2538		2692
2539	Will never block.	2693	Will never block.
2540		2694
2541	=item $player_object->leave_link ($map, $x, $y)	2695	=item $player_object->leave_link ($map, $x, $y)
2542		2696
…		…
2562	sub cf::object::player::enter_link {	2716	sub cf::object::player::enter_link {
2563	my ($self) = @_;	2717	my ($self) = @_;
2564		2718
2565	$self->deactivate_recursive;	2719	$self->deactivate_recursive;
2566		2720
		2721	++$self->{_link_recursion};
		2722
2567	return if UNIVERSAL::isa $self->map, "ext::map_link";	2723	return if UNIVERSAL::isa $self->map, "ext::map_link";
2568		2724
2569	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2725	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2570	if $self->map && $self->map->{path} ne "{link}";	2726	if $self->map && $self->map->{path} ne "{link}";
2571		2727
2572	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2728	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2573	}	2729	}
2574		2730
2575	sub cf::object::player::leave_link {	2731	sub cf::object::player::leave_link {
2576	my ($self, $map, $x, $y) = @_;	2732	my ($self, $map, $x, $y) = @_;
2577		2733
…		…
2594	($x, $y) = (-1, -1)	2750	($x, $y) = (-1, -1)
2595	unless (defined $x) && (defined $y);	2751	unless (defined $x) && (defined $y);
2596		2752
2597	# use -1 or undef as default coordinates, not 0, 0	2753	# use -1 or undef as default coordinates, not 0, 0
2598	($x, $y) = ($map->enter_x, $map->enter_y)	2754	($x, $y) = ($map->enter_x, $map->enter_y)
2599	if $x <=0 && $y <= 0;	2755	if $x <= 0 && $y <= 0;
2600		2756
2601	$map->load;	2757	$map->load;
2602	$map->load_neighbours;	2758	$map->load_neighbours;
2603		2759
2604	return unless $self->contr->active;	2760	return unless $self->contr->active;
2605	$self->activate_recursive;
2606		2761
2607	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2762	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2608	$self->enter_map ($map, $x, $y);	2763	if ($self->enter_map ($map, $x, $y)) {
2609	}	2764	# entering was successful
		2765	delete $self->{_link_recursion};
		2766	# only activate afterwards, to support waiting in hooks
		2767	$self->activate_recursive;
		2768	}
2610		2769
		2770	}
		2771
2611	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2772	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2612		2773
2613	Moves the player to the given map-path and coordinates by first freezing	2774	Moves the player to the given map-path and coordinates by first freezing
2614	her, loading and preparing them map, calling the provided $check callback	2775	her, loading and preparing them map, calling the provided $check callback
2615	that has to return the map if sucecssful, and then unfreezes the player on	2776	that has to return the map if sucecssful, and then unfreezes the player on
2616	the new (success) or old (failed) map position. In either case, $done will	2777	the new (success) or old (failed) map position. In either case, $done will
2617	be called at the end of this process.	2778	be called at the end of this process.
2618		2779
		2780	Note that $check will be called with a potentially non-loaded map, so if
		2781	it needs a loaded map it has to call C<< ->load >>.
		2782
2619	=cut	2783	=cut
2620		2784
2621	our $GOTOGEN;	2785	our $GOTOGEN;
2622		2786
2623	sub cf::object::player::goto {	2787	sub cf::object::player::goto {
2624	my ($self, $path, $x, $y, $check, $done) = @_;	2788	my ($self, $path, $x, $y, $check, $done) = @_;
		2789
		2790	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2791	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2792	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2793	($path, $x, $y) = @$EMERGENCY_POSITION;
		2794	}
2625		2795
2626	# do generation counting so two concurrent goto's will be executed in-order	2796	# do generation counting so two concurrent goto's will be executed in-order
2627	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2797	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2628		2798
2629	$self->enter_link;	2799	$self->enter_link;
…		…
2649	($path, $x, $y) = (undef, undef, undef);	2819	($path, $x, $y) = (undef, undef, undef);
2650	}	2820	}
2651	}	2821	}
2652		2822
2653	my $map = eval {	2823	my $map = eval {
2654	my $map = defined $path ? cf::map::find $path : undef;	2824	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2655		2825
2656	if ($map) {	2826	if ($map) {
2657	$map = $map->customise_for ($self);	2827	$map = $map->customise_for ($self);
2658	$map = $check->($map) if $check && $map;	2828	$map = $check->($map, $x, $y, $self) if $check && $map;
2659	} else {	2829	} else {
2660	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2830	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2661	}	2831	}
2662		2832
2663	$map	2833	$map
…		…
2671	if ($gen == $self->{_goto_generation}) {	2841	if ($gen == $self->{_goto_generation}) {
2672	delete $self->{_goto_generation};	2842	delete $self->{_goto_generation};
2673	$self->leave_link ($map, $x, $y);	2843	$self->leave_link ($map, $x, $y);
2674	}	2844	}
2675		2845
2676	$done->() if $done;	2846	$done->($self) if $done;
2677	})->prio (1);	2847	})->prio (1);
2678	}	2848	}
2679		2849
2680	=item $player_object->enter_exit ($exit_object)	2850	=item $player_object->enter_exit ($exit_object)
2681		2851
…		…
2749	$Coro::current->{desc} = "enter_exit";	2919	$Coro::current->{desc} = "enter_exit";
2750		2920
2751	unless (eval {	2921	unless (eval {
2752	$self->deactivate_recursive; # just to be sure	2922	$self->deactivate_recursive; # just to be sure
2753		2923
2754	# random map handling
2755	{
2756	my $guard = cf::lock_acquire "exit_prepare:$exit";
2757
2758	prepare_random_map $exit
2759	if $exit->slaying eq "/!";
2760	}
2761
2762	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2924	my $map = cf::map::normalise $exit->slaying, $exit->map;
2763	my $x = $exit->stats->hp;	2925	my $x = $exit->stats->hp;
2764	my $y = $exit->stats->sp;	2926	my $y = $exit->stats->sp;
		2927
		2928	# special map handling
		2929	my $slaying = $exit->slaying;
		2930
		2931	# special map handling
		2932	if ($slaying eq "/!") {
		2933	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2934
		2935	prepare_random_map $exit
		2936	if $slaying eq "/!"; # need to re-check after getting the lock
		2937
		2938	} elsif ($slaying eq '!up') {
		2939	$map = $exit->map->tile_path (cf::TILE_UP);
		2940	$x = $exit->x;
		2941	$y = $exit->y;
		2942
		2943	} elsif ($slaying eq '!down') {
		2944	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2945	$x = $exit->x;
		2946	$y = $exit->y;
		2947	}
2765		2948
2766	$self->goto ($map, $x, $y);	2949	$self->goto ($map, $x, $y);
2767		2950
2768	# if exit is damned, update players death & WoR home-position	2951	# if exit is damned, update players death & WoR home-position
2769	$self->contr->savebed ($map, $x, $y)	2952	$self->contr->savebed ($map, $x, $y)
2770	if $exit->flag (cf::FLAG_DAMNED);	2953	if $exit->flag (cf::FLAG_DAMNED);
2771		2954
2772	1	2955	1
2773	}) {	2956	}) {
2774	$self->message ("Something went wrong deep within the crossfire server. "	2957	$self->message ("Something went wrong deep within the deliantra server. "
2775	. "I'll try to bring you back to the map you were before. "	2958	. "I'll try to bring you back to the map you were before. "
2776	. "Please report this to the dungeon master!",	2959	. "Please report this to the dungeon master!",
2777	cf::NDI_UNIQUE | cf::NDI_RED);	2960	cf::NDI_UNIQUE | cf::NDI_RED);
2778		2961
2779	warn "ERROR in enter_exit: $@";	2962	error "ERROR in enter_exit: $@";
2780	$self->leave_link;	2963	$self->leave_link;
2781	}	2964	}
2782	})->prio (1);	2965	})->prio (1);
2783	}	2966	}
2784		2967
…		…
2796	sub cf::client::send_drawinfo {	2979	sub cf::client::send_drawinfo {
2797	my ($self, $text, $flags) = @_;	2980	my ($self, $text, $flags) = @_;
2798		2981
2799	utf8::encode $text;	2982	utf8::encode $text;
2800	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2983	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2984	}
		2985
		2986	=item $client->send_big_packet ($pkt)
		2987
		2988	Like C<send_packet>, but tries to compress large packets, and fragments
		2989	them as required.
		2990
		2991	=cut
		2992
		2993	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2994
		2995	sub cf::client::send_big_packet {
		2996	my ($self, $pkt) = @_;
		2997
		2998	# try lzf for large packets
		2999	$pkt = "lzf " . Compress::LZF::compress $pkt
		3000	if 1024 <= length $pkt and $self->{can_lzf};
		3001
		3002	# split very large packets
		3003	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3004	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3005	$pkt = "frag";
		3006	}
		3007
		3008	$self->send_packet ($pkt);
2801	}	3009	}
2802		3010
2803	=item $client->send_msg ($channel, $msg, $color, [extra...])	3011	=item $client->send_msg ($channel, $msg, $color, [extra...])
2804		3012
2805	Send a drawinfo or msg packet to the client, formatting the msg for the	3013	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2809		3017
2810	=cut	3018	=cut
2811		3019
2812	# non-persistent channels (usually the info channel)	3020	# non-persistent channels (usually the info channel)
2813	our %CHANNEL = (	3021	our %CHANNEL = (
		3022	"c/motd" => {
		3023	id => "infobox",
		3024	title => "MOTD",
		3025	reply => undef,
		3026	tooltip => "The message of the day",
		3027	},
2814	"c/identify" => {	3028	"c/identify" => {
2815	id => "infobox",	3029	id => "infobox",
2816	title => "Identify",	3030	title => "Identify",
2817	reply => undef,	3031	reply => undef,
2818	tooltip => "Items recently identified",	3032	tooltip => "Items recently identified",
…		…
2820	"c/examine" => {	3034	"c/examine" => {
2821	id => "infobox",	3035	id => "infobox",
2822	title => "Examine",	3036	title => "Examine",
2823	reply => undef,	3037	reply => undef,
2824	tooltip => "Signs and other items you examined",	3038	tooltip => "Signs and other items you examined",
		3039	},
		3040	"c/shopinfo" => {
		3041	id => "infobox",
		3042	title => "Shop Info",
		3043	reply => undef,
		3044	tooltip => "What your bargaining skill tells you about the shop",
2825	},	3045	},
2826	"c/book" => {	3046	"c/book" => {
2827	id => "infobox",	3047	id => "infobox",
2828	title => "Book",	3048	title => "Book",
2829	reply => undef,	3049	reply => undef,
…		…
2845	id => "infobox",	3065	id => "infobox",
2846	title => "Body Parts",	3066	title => "Body Parts",
2847	reply => undef,	3067	reply => undef,
2848	tooltip => "Shows which body parts you posess and are available",	3068	tooltip => "Shows which body parts you posess and are available",
2849	},	3069	},
		3070	"c/statistics" => {
		3071	id => "infobox",
		3072	title => "Statistics",
		3073	reply => undef,
		3074	tooltip => "Shows your primary statistics",
		3075	},
		3076	"c/skills" => {
		3077	id => "infobox",
		3078	title => "Skills",
		3079	reply => undef,
		3080	tooltip => "Shows your experience per skill and item power",
		3081	},
		3082	"c/shopitems" => {
		3083	id => "infobox",
		3084	title => "Shop Items",
		3085	reply => undef,
		3086	tooltip => "Shows the items currently for sale in this shop",
		3087	},
		3088	"c/resistances" => {
		3089	id => "infobox",
		3090	title => "Resistances",
		3091	reply => undef,
		3092	tooltip => "Shows your resistances",
		3093	},
		3094	"c/pets" => {
		3095	id => "infobox",
		3096	title => "Pets",
		3097	reply => undef,
		3098	tooltip => "Shows information abotu your pets/a specific pet",
		3099	},
		3100	"c/perceiveself" => {
		3101	id => "infobox",
		3102	title => "Perceive Self",
		3103	reply => undef,
		3104	tooltip => "You gained detailed knowledge about yourself",
		3105	},
2850	"c/uptime" => {	3106	"c/uptime" => {
2851	id => "infobox",	3107	id => "infobox",
2852	title => "Uptime",	3108	title => "Uptime",
2853	reply => undef,	3109	reply => undef,
2854	tooltip => "How long the server has been running since last restart",	3110	tooltip => "How long the server has been running since last restart",
…		…
2863	id => "party",	3119	id => "party",
2864	title => "Party",	3120	title => "Party",
2865	reply => "gsay ",	3121	reply => "gsay ",
2866	tooltip => "Messages and chat related to your party",	3122	tooltip => "Messages and chat related to your party",
2867	},	3123	},
		3124	"c/death" => {
		3125	id => "death",
		3126	title => "Death",
		3127	reply => undef,
		3128	tooltip => "Reason for and more info about your most recent death",
		3129	},
		3130	"c/say" => $SAY_CHANNEL,
		3131	"c/chat" => $CHAT_CHANNEL,
2868	);	3132	);
2869		3133
2870	sub cf::client::send_msg {	3134	sub cf::client::send_msg {
2871	my ($self, $channel, $msg, $color, @extra) = @_;	3135	my ($self, $channel, $msg, $color, @extra) = @_;
2872		3136
2873	$msg = $self->pl->expand_cfpod ($msg);	3137	$msg = $self->pl->expand_cfpod ($msg)
		3138	unless $color & cf::NDI_VERBATIM;
2874		3139
2875	$color &= cf::NDI_CLIENT_MASK; # just in case...	3140	$color &= cf::NDI_CLIENT_MASK; # just in case...
2876		3141
2877	# check predefined channels, for the benefit of C	3142	# check predefined channels, for the benefit of C
2878	if ($CHANNEL{$channel}) {	3143	if ($CHANNEL{$channel}) {
2879	$channel = $CHANNEL{$channel};	3144	$channel = $CHANNEL{$channel};
2880		3145
2881	$self->ext_msg (channel_info => $channel)	3146	$self->ext_msg (channel_info => $channel);
2882	if $self->can_msg;
2883
2884	$channel = $channel->{id};	3147	$channel = $channel->{id};
2885		3148
2886	} elsif (ref $channel) {	3149	} elsif (ref $channel) {
2887	# send meta info to client, if not yet sent	3150	# send meta info to client, if not yet sent
2888	unless (exists $self->{channel}{$channel->{id}}) {	3151	unless (exists $self->{channel}{$channel->{id}}) {
2889	$self->{channel}{$channel->{id}} = $channel;	3152	$self->{channel}{$channel->{id}} = $channel;
2890	$self->ext_msg (channel_info => $channel)	3153	$self->ext_msg (channel_info => $channel);
2891	if $self->can_msg;
2892	}	3154	}
2893		3155
2894	$channel = $channel->{id};	3156	$channel = $channel->{id};
2895	}	3157	}
2896		3158
2897	return unless @extra || length $msg;	3159	return unless @extra || length $msg;
2898		3160
2899	if ($self->can_msg) {
2900	# default colour, mask it out	3161	# default colour, mask it out
2901	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3162	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2902	if $color & cf::NDI_DEF;	3163	if $color & cf::NDI_DEF;
2903		3164
2904	$self->send_packet ("msg " . $self->{json_coder}->encode (	3165	my $pkt = "msg "
		3166	. $self->{json_coder}->encode (
2905	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3167	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2906	} else {	3168	);
2907	if ($color >= 0) {
2908	# replace some tags by gcfclient-compatible ones
2909	for ($msg) {
2910	1 while
2911	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2912	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2913	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2914	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2915	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2916	}
2917		3169
2918	$color &= cf::NDI_COLOR_MASK;	3170	$self->send_big_packet ($pkt);
2919
2920	utf8::encode $msg;
2921
2922	if (0 && $msg =~ /\[/) {
2923	# COMMAND/INFO
2924	$self->send_packet ("drawextinfo $color 10 8 $msg")
2925	} else {
2926	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2927	$self->send_packet ("drawinfo $color $msg")
2928	}
2929	}
2930	}
2931	}	3171	}
2932		3172
2933	=item $client->ext_msg ($type, @msg)	3173	=item $client->ext_msg ($type, @msg)
2934		3174
2935	Sends an ext event to the client.	3175	Sends an ext event to the client.
…		…
2938		3178
2939	sub cf::client::ext_msg($$@) {	3179	sub cf::client::ext_msg($$@) {
2940	my ($self, $type, @msg) = @_;	3180	my ($self, $type, @msg) = @_;
2941		3181
2942	if ($self->extcmd == 2) {	3182	if ($self->extcmd == 2) {
2943	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3183	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2944	} elsif ($self->extcmd == 1) { # TODO: remove	3184	} elsif ($self->extcmd == 1) { # TODO: remove
2945	push @msg, msgtype => "event_$type";	3185	push @msg, msgtype => "event_$type";
2946	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3186	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2947	}	3187	}
2948	}	3188	}
2949		3189
2950	=item $client->ext_reply ($msgid, @msg)	3190	=item $client->ext_reply ($msgid, @msg)
2951		3191
…		…
2955		3195
2956	sub cf::client::ext_reply($$@) {	3196	sub cf::client::ext_reply($$@) {
2957	my ($self, $id, @msg) = @_;	3197	my ($self, $id, @msg) = @_;
2958		3198
2959	if ($self->extcmd == 2) {	3199	if ($self->extcmd == 2) {
2960	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3200	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2961	} elsif ($self->extcmd == 1) {	3201	} elsif ($self->extcmd == 1) {
2962	#TODO: version 1, remove	3202	#TODO: version 1, remove
2963	unshift @msg, msgtype => "reply", msgid => $id;	3203	unshift @msg, msgtype => "reply", msgid => $id;
2964	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3204	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2965	}	3205	}
2966	}	3206	}
2967		3207
2968	=item $success = $client->query ($flags, "text", \&cb)	3208	=item $success = $client->query ($flags, "text", \&cb)
2969		3209
…		…
3040		3280
3041	$ns->ext_reply ($reply, @reply)	3281	$ns->ext_reply ($reply, @reply)
3042	if $reply;	3282	if $reply;
3043		3283
3044	} else {	3284	} else {
3045	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3285	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3046	}	3286	}
3047		3287
3048	cf::override;	3288	cf::override;
3049	},	3289	},
3050	);	3290	);
…		…
3070		3310
3071	$coro	3311	$coro
3072	}	3312	}
3073		3313
3074	cf::client->attach (	3314	cf::client->attach (
3075	on_destroy => sub {	3315	on_client_destroy => sub {
3076	my ($ns) = @_;	3316	my ($ns) = @_;
3077		3317
3078	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3318	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3079	},	3319	},
3080	);	3320	);
…		…
3096	our $safe_hole = new Safe::Hole;	3336	our $safe_hole = new Safe::Hole;
3097		3337
3098	$SIG{FPE} = 'IGNORE';	3338	$SIG{FPE} = 'IGNORE';
3099		3339
3100	$safe->permit_only (Opcode::opset qw(	3340	$safe->permit_only (Opcode::opset qw(
3101	:base_core :base_mem :base_orig :base_math	3341	:base_core :base_mem :base_orig :base_math :base_loop
3102	grepstart grepwhile mapstart mapwhile	3342	grepstart grepwhile mapstart mapwhile
3103	sort time	3343	sort time
3104	));	3344	));
3105		3345
3106	# here we export the classes and methods available to script code	3346	# here we export the classes and methods available to script code
…		…
3110	The following functions and methods are available within a safe environment:	3350	The following functions and methods are available within a safe environment:
3111		3351
3112	cf::object	3352	cf::object
3113	contr pay_amount pay_player map x y force_find force_add destroy	3353	contr pay_amount pay_player map x y force_find force_add destroy
3114	insert remove name archname title slaying race decrease split	3354	insert remove name archname title slaying race decrease split
		3355	value
3115		3356
3116	cf::object::player	3357	cf::object::player
3117	player	3358	player
3118		3359
3119	cf::player	3360	cf::player
…		…
3125	=cut	3366	=cut
3126		3367
3127	for (	3368	for (
3128	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3369	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3129	insert remove inv nrof name archname title slaying race	3370	insert remove inv nrof name archname title slaying race
3130	decrease split destroy)],	3371	decrease split destroy change_exp value msg lore send_msg)],
3131	["cf::object::player" => qw(player)],	3372	["cf::object::player" => qw(player)],
3132	["cf::player" => qw(peaceful)],	3373	["cf::player" => qw(peaceful send_msg)],
3133	["cf::map" => qw(trigger)],	3374	["cf::map" => qw(trigger)],
3134	) {	3375	) {
3135	no strict 'refs';
3136	my ($pkg, @funs) = @$_;	3376	my ($pkg, @funs) = @$_;
3137	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3377	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3138	for @funs;	3378	for @funs;
3139	}	3379	}
3140		3380
…		…
3155		3395
3156	my $qcode = $code;	3396	my $qcode = $code;
3157	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3397	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3158	$qcode =~ s/\n/\\n/g;	3398	$qcode =~ s/\n/\\n/g;
3159		3399
		3400	%vars = (_dummy => 0) unless %vars;
		3401
		3402	my @res;
3160	local $_;	3403	local $_;
3161	local @safe::cf::_safe_eval_args = values %vars;
3162		3404
3163	my $eval =	3405	my $eval =
3164	"do {\n"	3406	"do {\n"
3165	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3407	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3166	. "#line 0 \"{$qcode}\"\n"	3408	. "#line 0 \"{$qcode}\"\n"
3167	. $code	3409	. $code
3168	. "\n}"	3410	. "\n}"
3169	;	3411	;
3170		3412
		3413	if ($CFG{safe_eval}) {
3171	sub_generation_inc;	3414	sub_generation_inc;
		3415	local @safe::cf::_safe_eval_args = values %vars;
3172	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3416	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3173	sub_generation_inc;	3417	sub_generation_inc;
		3418	} else {
		3419	local @cf::_safe_eval_args = values %vars;
		3420	@res = wantarray ? eval eval : scalar eval $eval;
		3421	}
3174		3422
3175	if ($@) {	3423	if ($@) {
3176	warn "$@";	3424	warn "$@",
3177	warn "while executing safe code '$code'\n";	3425	"while executing safe code '$code'\n",
3178	warn "with arguments " . (join " ", %vars) . "\n";	3426	"with arguments " . (join " ", %vars) . "\n";
3179	}	3427	}
3180		3428
3181	wantarray ? @res : $res[0]	3429	wantarray ? @res : $res[0]
3182	}	3430	}
3183		3431
…		…
3197	=cut	3445	=cut
3198		3446
3199	sub register_script_function {	3447	sub register_script_function {
3200	my ($fun, $cb) = @_;	3448	my ($fun, $cb) = @_;
3201		3449
3202	no strict 'refs';	3450	$fun = "safe::$fun" if $CFG{safe_eval};
3203	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3451	*$fun = $safe_hole->wrap ($cb);
3204	}	3452	}
3205		3453
3206	=back	3454	=back
3207		3455
3208	=cut	3456	=cut
…		…
3217	# for this (global event?)	3465	# for this (global event?)
3218	%ext::player_env::MUSIC_FACE_CACHE = ();	3466	%ext::player_env::MUSIC_FACE_CACHE = ();
3219		3467
3220	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3468	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3221		3469
3222	warn "loading facedata from $path\n";	3470	trace "loading facedata from $path\n";
3223		3471
3224	my $facedata;	3472	my $facedata = decode_storable load_file $path;
3225	0 < aio_load $path, $facedata
3226	or die "$path: $!";
3227
3228	$facedata = Coro::Storable::thaw $facedata;
3229		3473
3230	$facedata->{version} == 2	3474	$facedata->{version} == 2
3231	or cf::cleanup "$path: version mismatch, cannot proceed.";	3475	or cf::cleanup "$path: version mismatch, cannot proceed.";
3232		3476
3233	# patch in the exptable	3477	# patch in the exptable
		3478	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3234	$facedata->{resource}{"res/exp_table"} = {	3479	$facedata->{resource}{"res/exp_table"} = {
3235	type => FT_RSRC,	3480	type => FT_RSRC,
3236	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3481	data => $exp_table,
		3482	hash => (Digest::MD5::md5 $exp_table),
3237	};	3483	};
3238	cf::cede_to_tick;	3484	cf::cede_to_tick;
3239		3485
3240	{	3486	{
3241	my $faces = $facedata->{faceinfo};	3487	my $faces = $facedata->{faceinfo};
…		…
3243	while (my ($face, $info) = each %$faces) {	3489	while (my ($face, $info) = each %$faces) {
3244	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3490	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3245		3491
3246	cf::face::set_visibility $idx, $info->{visibility};	3492	cf::face::set_visibility $idx, $info->{visibility};
3247	cf::face::set_magicmap $idx, $info->{magicmap};	3493	cf::face::set_magicmap $idx, $info->{magicmap};
3248	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3494	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3249	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3495	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3496	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3250		3497
3251	cf::cede_to_tick;	3498	cf::cede_to_tick;
3252	}	3499	}
3253		3500
3254	while (my ($face, $info) = each %$faces) {	3501	while (my ($face, $info) = each %$faces) {
…		…
3259		3506
3260	if (my $smooth = cf::face::find $info->{smooth}) {	3507	if (my $smooth = cf::face::find $info->{smooth}) {
3261	cf::face::set_smooth $idx, $smooth;	3508	cf::face::set_smooth $idx, $smooth;
3262	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3509	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3263	} else {	3510	} else {
3264	warn "smooth face '$info->{smooth}' not found for face '$face'";	3511	error "smooth face '$info->{smooth}' not found for face '$face'";
3265	}	3512	}
3266		3513
3267	cf::cede_to_tick;	3514	cf::cede_to_tick;
3268	}	3515	}
3269	}	3516	}
…		…
3278		3525
3279	cf::anim::invalidate_all; # d'oh	3526	cf::anim::invalidate_all; # d'oh
3280	}	3527	}
3281		3528
3282	{	3529	{
3283	# TODO: for gcfclient pleasure, we should give resources
3284	# that gcfclient doesn't grok a >10000 face index.
3285	my $res = $facedata->{resource};	3530	my $res = $facedata->{resource};
3286		3531
3287	while (my ($name, $info) = each %$res) {	3532	while (my ($name, $info) = each %$res) {
3288	if (defined $info->{type}) {	3533	if (defined $info->{type}) {
3289	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3534	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3290	my $data;
3291		3535
3292	if ($info->{type} & 1) {	3536	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3293	# prepend meta info
3294
3295	my $meta = $enc->encode ({
3296	name => $name,
3297	%{ $info->{meta} || {} },
3298	});
3299
3300	$data = pack "(w/a*)*", $meta, $info->{data};
3301	} else {
3302	$data = $info->{data};
3303	}
3304
3305	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3306	cf::face::set_type $idx, $info->{type};	3537	cf::face::set_type $idx, $info->{type};
3307	} else {	3538	} else {
3308	$RESOURCE{$name} = $info;	3539	$RESOURCE{$name} = $info; # unused
3309	}	3540	}
3310		3541
3311	cf::cede_to_tick;	3542	cf::cede_to_tick;
3312	}	3543	}
3313	}	3544	}
3314		3545
3315	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3546	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3316		3547
3317	1	3548	1
3318	}	3549	}
3319
3320	cf::global->attach (on_resource_update => sub {
3321	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3322	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3323
3324	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3325	my $sound = $soundconf->{compat}[$_]
3326	or next;
3327
3328	my $face = cf::face::find "sound/$sound->[1]";
3329	cf::sound::set $sound->[0] => $face;
3330	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3331	}
3332
3333	while (my ($k, $v) = each %{$soundconf->{event}}) {
3334	my $face = cf::face::find "sound/$v";
3335	cf::sound::set $k => $face;
3336	}
3337	}
3338	});
3339		3550
3340	register_exticmd fx_want => sub {	3551	register_exticmd fx_want => sub {
3341	my ($ns, $want) = @_;	3552	my ($ns, $want) = @_;
3342		3553
3343	while (my ($k, $v) = each %$want) {	3554	while (my ($k, $v) = each %$want) {
…		…
3382	sub reload_treasures {	3593	sub reload_treasures {
3383	load_resource_file "$DATADIR/treasures"	3594	load_resource_file "$DATADIR/treasures"
3384	or die "unable to load treasurelists\n";	3595	or die "unable to load treasurelists\n";
3385	}	3596	}
3386		3597
		3598	sub reload_sound {
		3599	trace "loading sound config from $DATADIR/sound\n";
		3600
		3601	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3602
		3603	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3604	my $sound = $soundconf->{compat}[$_]
		3605	or next;
		3606
		3607	my $face = cf::face::find "sound/$sound->[1]";
		3608	cf::sound::set $sound->[0] => $face;
		3609	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3610	}
		3611
		3612	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3613	my $face = cf::face::find "sound/$v";
		3614	cf::sound::set $k => $face;
		3615	}
		3616	}
		3617
3387	sub reload_resources {	3618	sub reload_resources {
3388	warn "reloading resource files...\n";	3619	trace "reloading resource files...\n";
3389		3620
		3621	reload_exp_table;
		3622	reload_materials;
3390	reload_facedata;	3623	reload_facedata;
		3624	reload_sound;
3391	reload_archetypes;	3625	reload_archetypes;
3392	reload_regions;	3626	reload_regions;
3393	reload_treasures;	3627	reload_treasures;
3394		3628
3395	warn "finished reloading resource files\n";	3629	trace "finished reloading resource files\n";
3396	}
3397
3398	sub init {
3399	my $guard = freeze_mainloop;
3400
3401	evthread_start IO::AIO::poll_fileno;
3402
3403	reload_resources;
3404	}	3630	}
3405		3631
3406	sub reload_config {	3632	sub reload_config {
3407	open my $fh, "<:utf8", "$CONFDIR/config"	3633	trace "reloading config file...\n";
3408	or return;
3409		3634
3410	local $/;	3635	my $config = load_file "$CONFDIR/config";
3411	*CFG = YAML::Load <$fh>;	3636	utf8::decode $config;
		3637	*CFG = decode_yaml $config;
3412		3638
3413	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3639	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3414		3640
3415	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3641	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3416	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3642	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3417		3643
3418	if (exists $CFG{mlockall}) {	3644	if (exists $CFG{mlockall}) {
…		…
3422	};	3648	};
3423	warn $@ if $@;	3649	warn $@ if $@;
3424	}	3650	}
3425	}	3651	}
3426		3652
		3653	sub pidfile() {
		3654	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3655	or die "$PIDFILE: $!";
		3656	flock $fh, &Fcntl::LOCK_EX
		3657	or die "$PIDFILE: flock: $!";
		3658	$fh
		3659	}
		3660
		3661	# make sure only one server instance is running at any one time
		3662	sub atomic {
		3663	my $fh = pidfile;
		3664
		3665	my $pid = <$fh>;
		3666	kill 9, $pid if $pid > 0;
		3667
		3668	seek $fh, 0, 0;
		3669	print $fh $$;
		3670	}
		3671
		3672	sub main_loop {
		3673	trace "EV::loop starting\n";
		3674	if (1) {
		3675	EV::loop;
		3676	}
		3677	trace "EV::loop returned\n";
		3678	goto &main_loop unless $REALLY_UNLOOP;
		3679	}
		3680
3427	sub main {	3681	sub main {
		3682	cf::init_globals; # initialise logging
		3683
		3684	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3685	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3686	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3687	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3688
		3689	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3690
3428	# we must not ever block the main coroutine	3691	# we must not ever block the main coroutine
3429	local $Coro::idle = sub {	3692	local $Coro::idle = sub {
3430	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3693	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3431	(async {	3694	(async {
3432	$Coro::current->{desc} = "IDLE BUG HANDLER";	3695	$Coro::current->{desc} = "IDLE BUG HANDLER";
3433	EV::loop EV::LOOP_ONESHOT;	3696	EV::loop EV::LOOP_ONESHOT;
3434	})->prio (Coro::PRIO_MAX);	3697	})->prio (Coro::PRIO_MAX);
3435	};	3698	};
3436		3699
3437	{	3700	evthread_start IO::AIO::poll_fileno;
3438	my $guard = freeze_mainloop;	3701
		3702	cf::sync_job {
		3703	cf::incloader::init ();
		3704
		3705	cf::init_anim;
		3706	cf::init_attackmess;
		3707	cf::init_dynamic;
		3708
		3709	cf::load_settings;
		3710
		3711	reload_resources;
3439	reload_config;	3712	reload_config;
3440	db_init;	3713	db_init;
		3714
		3715	cf::init_uuid;
		3716	cf::init_signals;
		3717	cf::init_skills;
		3718
		3719	cf::init_beforeplay;
		3720
		3721	atomic;
		3722
3441	load_extensions;	3723	load_extensions;
3442		3724
3443	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3725	utime time, time, $RUNTIMEFILE;
		3726
		3727	# no (long-running) fork's whatsoever before this point(!)
		3728	use POSIX ();
		3729	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3730
		3731	cf::_post_init 0;
3444	}	3732	};
3445		3733
3446	EV::loop;	3734	cf::object::thawer::errors_are_fatal 0;
		3735	info "parse errors in files are no longer fatal from this point on.\n";
		3736
		3737	my $free_main; $free_main = EV::idle sub {
		3738	undef $free_main;
		3739	undef &main; # free gobs of memory :)
		3740	};
		3741
		3742	goto &main_loop;
3447	}	3743	}
3448		3744
3449	#############################################################################	3745	#############################################################################
3450	# initialisation and cleanup	3746	# initialisation and cleanup
3451		3747
3452	# install some emergency cleanup handlers	3748	# install some emergency cleanup handlers
3453	BEGIN {	3749	BEGIN {
3454	our %SIGWATCHER = ();	3750	our %SIGWATCHER = ();
3455	for my $signal (qw(INT HUP TERM)) {	3751	for my $signal (qw(INT HUP TERM)) {
3456	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3752	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3457	cf::cleanup "SIG$signal";	3753	cf::cleanup "SIG$signal";
3458	};	3754	};
3459	}	3755	}
3460	}	3756	}
3461		3757
3462	sub write_runtime_sync {	3758	sub write_runtime_sync {
3463	my $runtime = "$LOCALDIR/runtime";	3759	my $t0 = AE::time;
3464		3760
3465	# first touch the runtime file to show we are still running:	3761	# first touch the runtime file to show we are still running:
3466	# the fsync below can take a very very long time.	3762	# the fsync below can take a very very long time.
3467		3763
3468	IO::AIO::aio_utime $runtime, undef, undef;	3764	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3469		3765
3470	my $guard = cf::lock_acquire "write_runtime";	3766	my $guard = cf::lock_acquire "write_runtime";
3471		3767
3472	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3768	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3473	or return;	3769	or return;
3474		3770
3475	my $value = $cf::RUNTIME + 90 + 10;	3771	my $value = $cf::RUNTIME + 90 + 10;
3476	# 10 is the runtime save interval, for a monotonic clock	3772	# 10 is the runtime save interval, for a monotonic clock
3477	# 60 allows for the watchdog to kill the server.	3773	# 60 allows for the watchdog to kill the server.
…		…
3487	aio_utime $fh, undef, undef;	3783	aio_utime $fh, undef, undef;
3488		3784
3489	close $fh	3785	close $fh
3490	or return;	3786	or return;
3491		3787
3492	aio_rename "$runtime~", $runtime	3788	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3493	and return;	3789	and return;
3494		3790
3495	warn "runtime file written.\n";	3791	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3496		3792
3497	1	3793	1
3498	}	3794	}
3499		3795
3500	our $uuid_lock;	3796	our $uuid_lock;
…		…
3509	my $uuid = "$LOCALDIR/uuid";	3805	my $uuid = "$LOCALDIR/uuid";
3510		3806
3511	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3807	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3512	or return;	3808	or return;
3513		3809
3514	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3810	my $value = uuid_seq uuid_cur;
		3811
		3812	unless ($value) {
		3813	info "cowardly refusing to write zero uuid value!\n";
		3814	return;
		3815	}
		3816
		3817	my $value = uuid_str $value + $uuid_skip;
3515	$uuid_skip = 0;	3818	$uuid_skip = 0;
3516		3819
3517	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3820	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3518	and return;	3821	and return;
3519		3822
…		…
3525	or return;	3828	or return;
3526		3829
3527	aio_rename "$uuid~", $uuid	3830	aio_rename "$uuid~", $uuid
3528	and return;	3831	and return;
3529		3832
3530	warn "uuid file written ($value).\n";	3833	trace "uuid file written ($value).\n";
3531		3834
3532	1	3835	1
3533		3836
3534	}	3837	}
3535		3838
…		…
3541	}	3844	}
3542		3845
3543	sub emergency_save() {	3846	sub emergency_save() {
3544	my $freeze_guard = cf::freeze_mainloop;	3847	my $freeze_guard = cf::freeze_mainloop;
3545		3848
3546	warn "enter emergency perl save\n";	3849	info "emergency_perl_save: enter\n";
		3850
		3851	# this is a trade-off: we want to be very quick here, so
		3852	# save all maps without fsync, and later call a global sync
		3853	# (which in turn might be very very slow)
		3854	local $USE_FSYNC = 0;
3547		3855
3548	cf::sync_job {	3856	cf::sync_job {
		3857	cf::write_runtime_sync; # external watchdog should not bark
		3858
3549	# use a peculiar iteration method to avoid tripping on perl	3859	# use a peculiar iteration method to avoid tripping on perl
3550	# refcount bugs in for. also avoids problems with players	3860	# refcount bugs in for. also avoids problems with players
3551	# and maps saved/destroyed asynchronously.	3861	# and maps saved/destroyed asynchronously.
3552	warn "begin emergency player save\n";	3862	info "emergency_perl_save: begin player save\n";
3553	for my $login (keys %cf::PLAYER) {	3863	for my $login (keys %cf::PLAYER) {
3554	my $pl = $cf::PLAYER{$login} or next;	3864	my $pl = $cf::PLAYER{$login} or next;
3555	$pl->valid or next;	3865	$pl->valid or next;
3556	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3866	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3557	$pl->save;	3867	$pl->save;
3558	}	3868	}
3559	warn "end emergency player save\n";	3869	info "emergency_perl_save: end player save\n";
3560		3870
3561	warn "begin emergency map save\n";	3871	cf::write_runtime_sync; # external watchdog should not bark
		3872
		3873	info "emergency_perl_save: begin map save\n";
3562	for my $path (keys %cf::MAP) {	3874	for my $path (keys %cf::MAP) {
3563	my $map = $cf::MAP{$path} or next;	3875	my $map = $cf::MAP{$path} or next;
3564	$map->valid or next;	3876	$map->valid or next;
3565	$map->save;	3877	$map->save;
3566	}	3878	}
3567	warn "end emergency map save\n";	3879	info "emergency_perl_save: end map save\n";
3568		3880
3569	warn "begin emergency database checkpoint\n";	3881	cf::write_runtime_sync; # external watchdog should not bark
		3882
		3883	info "emergency_perl_save: begin database checkpoint\n";
3570	BDB::db_env_txn_checkpoint $DB_ENV;	3884	BDB::db_env_txn_checkpoint $DB_ENV;
3571	warn "end emergency database checkpoint\n";	3885	info "emergency_perl_save: end database checkpoint\n";
3572		3886
3573	warn "begin write uuid\n";	3887	info "emergency_perl_save: begin write uuid\n";
3574	write_uuid_sync 1;	3888	write_uuid_sync 1;
3575	warn "end write uuid\n";	3889	info "emergency_perl_save: end write uuid\n";
		3890
		3891	cf::write_runtime_sync; # external watchdog should not bark
		3892
		3893	trace "emergency_perl_save: syncing database to disk";
		3894	BDB::db_env_txn_checkpoint $DB_ENV;
		3895
		3896	info "emergency_perl_save: starting sync\n";
		3897	IO::AIO::aio_sync sub {
		3898	info "emergency_perl_save: finished sync\n";
		3899	};
		3900
		3901	cf::write_runtime_sync; # external watchdog should not bark
		3902
		3903	trace "emergency_perl_save: flushing outstanding aio requests";
		3904	while (IO::AIO::nreqs || BDB::nreqs) {
		3905	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3906	}
		3907
		3908	cf::write_runtime_sync; # external watchdog should not bark
3576	};	3909	};
3577		3910
3578	warn "leave emergency perl save\n";	3911	info "emergency_perl_save: leave\n";
3579	}	3912	}
3580		3913
3581	sub post_cleanup {	3914	sub post_cleanup {
3582	my ($make_core) = @_;	3915	my ($make_core) = @_;
3583		3916
		3917	IO::AIO::flush;
		3918
3584	warn Carp::longmess "post_cleanup backtrace"	3919	error Carp::longmess "post_cleanup backtrace"
3585	if $make_core;	3920	if $make_core;
		3921
		3922	my $fh = pidfile;
		3923	unlink $PIDFILE if <$fh> == $$;
		3924	}
		3925
		3926	# a safer delete_package, copied from Symbol
		3927	sub clear_package($) {
		3928	my $pkg = shift;
		3929
		3930	# expand to full symbol table name if needed
		3931	unless ($pkg =~ /^main::.*::$/) {
		3932	$pkg = "main$pkg" if $pkg =~ /^::/;
		3933	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3934	$pkg .= '::' unless $pkg =~ /::$/;
		3935	}
		3936
		3937	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3938	my $stem_symtab = *{$stem}{HASH};
		3939
		3940	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3941	or return;
		3942
		3943	# clear all symbols
		3944	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3945	for my $name (keys %$leaf_symtab) {
		3946	_gv_clear *{"$pkg$name"};
		3947	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3948	}
3586	}	3949	}
3587		3950
3588	sub do_reload_perl() {	3951	sub do_reload_perl() {
3589	# can/must only be called in main	3952	# can/must only be called in main
3590	if ($Coro::current != $Coro::main) {	3953	unless (in_main) {
3591	warn "can only reload from main coroutine";	3954	error "can only reload from main coroutine";
3592	return;	3955	return;
3593	}	3956	}
3594		3957
3595	warn "reloading...";	3958	return if $RELOAD++;
3596		3959
3597	warn "entering sync_job";	3960	my $t1 = AE::time;
3598		3961
		3962	while ($RELOAD) {
		3963	cf::get_slot 0.1, -1, "reload_perl";
		3964	info "perl_reload: reloading...";
		3965
		3966	trace "perl_reload: entering sync_job";
		3967
3599	cf::sync_job {	3968	cf::sync_job {
3600	cf::write_runtime_sync; # external watchdog should not bark
3601	cf::emergency_save;	3969	#cf::emergency_save;
3602	cf::write_runtime_sync; # external watchdog should not bark
3603		3970
3604	warn "syncing database to disk";
3605	BDB::db_env_txn_checkpoint $DB_ENV;
3606
3607	# if anything goes wrong in here, we should simply crash as we already saved
3608
3609	warn "flushing outstanding aio requests";
3610	for (;;) {
3611	BDB::flush;
3612	IO::AIO::flush;
3613	Coro::cede_notself;
3614	last unless IO::AIO::nreqs || BDB::nreqs;
3615	warn "iterate...";
3616	}
3617
3618	++$RELOAD;
3619
3620	warn "cancelling all extension coros";	3971	trace "perl_reload: cancelling all extension coros";
3621	$_->cancel for values %EXT_CORO;	3972	$_->cancel for values %EXT_CORO;
3622	%EXT_CORO = ();	3973	%EXT_CORO = ();
3623		3974
3624	warn "removing commands";	3975	trace "perl_reload: removing commands";
3625	%COMMAND = ();	3976	%COMMAND = ();
3626		3977
3627	warn "removing ext/exti commands";	3978	trace "perl_reload: removing ext/exti commands";
3628	%EXTCMD = ();	3979	%EXTCMD = ();
3629	%EXTICMD = ();	3980	%EXTICMD = ();
3630		3981
3631	warn "unloading/nuking all extensions";	3982	trace "perl_reload: unloading/nuking all extensions";
3632	for my $pkg (@EXTS) {	3983	for my $pkg (@EXTS) {
3633	warn "... unloading $pkg";	3984	trace "... unloading $pkg";
3634		3985
3635	if (my $cb = $pkg->can ("unload")) {	3986	if (my $cb = $pkg->can ("unload")) {
3636	eval {	3987	eval {
3637	$cb->($pkg);	3988	$cb->($pkg);
3638	1	3989	1
3639	} or warn "$pkg unloaded, but with errors: $@";	3990	} or error "$pkg unloaded, but with errors: $@";
		3991	}
		3992
		3993	trace "... clearing $pkg";
		3994	clear_package $pkg;
3640	}	3995	}
3641		3996
3642	warn "... nuking $pkg";
3643	Symbol::delete_package $pkg;
3644	}
3645
3646	warn "unloading all perl modules loaded from $LIBDIR";	3997	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3647	while (my ($k, $v) = each %INC) {	3998	while (my ($k, $v) = each %INC) {
3648	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3999	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3649		4000
3650	warn "... unloading $k";	4001	trace "... unloading $k";
3651	delete $INC{$k};	4002	delete $INC{$k};
3652		4003
3653	$k =~ s/\.pm$//;	4004	$k =~ s/\.pm$//;
3654	$k =~ s/\//::/g;	4005	$k =~ s/\//::/g;
3655		4006
3656	if (my $cb = $k->can ("unload_module")) {	4007	if (my $cb = $k->can ("unload_module")) {
3657	$cb->();	4008	$cb->();
		4009	}
		4010
		4011	clear_package $k;
3658	}	4012	}
3659		4013
3660	Symbol::delete_package $k;
3661	}
3662
3663	warn "getting rid of safe::, as good as possible";	4014	trace "perl_reload: getting rid of safe::, as good as possible";
3664	Symbol::delete_package "safe::$_"	4015	clear_package "safe::$_"
3665	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4016	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3666		4017
3667	warn "unloading cf.pm \"a bit\"";	4018	trace "perl_reload: unloading cf.pm \"a bit\"";
3668	delete $INC{"cf.pm"};	4019	delete $INC{"cf.pm"};
3669	delete $INC{"cf/pod.pm"};	4020	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3670		4021
3671	# don't, removes xs symbols, too,	4022	# don't, removes xs symbols, too,
3672	# and global variables created in xs	4023	# and global variables created in xs
3673	#Symbol::delete_package __PACKAGE__;	4024	#clear_package __PACKAGE__;
3674		4025
3675	warn "unload completed, starting to reload now";	4026	info "perl_reload: unload completed, starting to reload now";
3676		4027
3677	warn "reloading cf.pm";	4028	trace "perl_reload: reloading cf.pm";
3678	require cf;	4029	require cf;
3679	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4030	cf::_connect_to_perl_1;
3680		4031
3681	warn "loading config and database again";	4032	trace "perl_reload: loading config and database again";
3682	cf::reload_config;	4033	cf::reload_config;
3683		4034
3684	warn "loading extensions";	4035	trace "perl_reload: loading extensions";
3685	cf::load_extensions;	4036	cf::load_extensions;
3686		4037
		4038	if ($REATTACH_ON_RELOAD) {
3687	warn "reattaching attachments to objects/players";	4039	trace "perl_reload: reattaching attachments to objects/players";
3688	_global_reattach; # objects, sockets	4040	_global_reattach; # objects, sockets
3689	warn "reattaching attachments to maps";	4041	trace "perl_reload: reattaching attachments to maps";
3690	reattach $_ for values %MAP;	4042	reattach $_ for values %MAP;
3691	warn "reattaching attachments to players";	4043	trace "perl_reload: reattaching attachments to players";
3692	reattach $_ for values %PLAYER;	4044	reattach $_ for values %PLAYER;
		4045	}
3693		4046
3694	warn "leaving sync_job";	4047	cf::_post_init 1;
3695		4048
		4049	trace "perl_reload: leaving sync_job";
		4050
3696	1	4051	1
3697	} or do {	4052	} or do {
3698	warn $@;	4053	error $@;
3699	cf::cleanup "error while reloading, exiting.";	4054	cf::cleanup "perl_reload: error, exiting.";
		4055	};
		4056
		4057	--$RELOAD;
3700	};	4058	}
3701		4059
3702	warn "reloaded";	4060	$t1 = AE::time - $t1;
		4061	info "perl_reload: completed in ${t1}s\n";
3703	};	4062	};
3704		4063
3705	our $RELOAD_WATCHER; # used only during reload	4064	our $RELOAD_WATCHER; # used only during reload
3706		4065
3707	sub reload_perl() {	4066	sub reload_perl() {
3708	# doing reload synchronously and two reloads happen back-to-back,	4067	# doing reload synchronously and two reloads happen back-to-back,
3709	# coro crashes during coro_state_free->destroy here.	4068	# coro crashes during coro_state_free->destroy here.
3710		4069
		4070	$RELOAD_WATCHER ||= cf::async {
		4071	Coro::AIO::aio_wait cache_extensions;
		4072
3711	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4073	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3712	do_reload_perl;	4074	do_reload_perl;
3713	undef $RELOAD_WATCHER;	4075	undef $RELOAD_WATCHER;
		4076	};
3714	};	4077	};
3715	}	4078	}
3716		4079
3717	register_command "reload" => sub {	4080	register_command "reload" => sub {
3718	my ($who, $arg) = @_;	4081	my ($who, $arg) = @_;
…		…
3724	reload_perl;	4087	reload_perl;
3725	};	4088	};
3726	}	4089	}
3727	};	4090	};
3728		4091
3729	unshift @INC, $LIBDIR;	4092	#############################################################################
3730		4093
3731	my $bug_warning = 0;	4094	my $bug_warning = 0;
3732		4095
3733	our @WAIT_FOR_TICK;	4096	our @WAIT_FOR_TICK;
3734	our @WAIT_FOR_TICK_BEGIN;	4097	our @WAIT_FOR_TICK_BEGIN;
3735		4098
3736	sub wait_for_tick {	4099	sub wait_for_tick() {
3737	return if tick_inhibit || $Coro::current == $Coro::main;	4100	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3738		4101
3739	my $signal = new Coro::Signal;	4102	my $signal = new Coro::Signal;
3740	push @WAIT_FOR_TICK, $signal;	4103	push @WAIT_FOR_TICK, $signal;
3741	$signal->wait;	4104	$signal->wait;
3742	}	4105	}
3743		4106
3744	sub wait_for_tick_begin {	4107	sub wait_for_tick_begin() {
3745	return if tick_inhibit || $Coro::current == $Coro::main;	4108	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3746		4109
3747	my $signal = new Coro::Signal;	4110	my $signal = new Coro::Signal;
3748	push @WAIT_FOR_TICK_BEGIN, $signal;	4111	push @WAIT_FOR_TICK_BEGIN, $signal;
3749	$signal->wait;	4112	$signal->wait;
3750	}	4113	}
…		…
3756	return;	4119	return;
3757	}	4120	}
3758		4121
3759	cf::server_tick; # one server iteration	4122	cf::server_tick; # one server iteration
3760		4123
		4124	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4125
3761	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4126	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3762	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4127	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3763	Coro::async_pool {	4128	Coro::async_pool {
3764	$Coro::current->{desc} = "runtime saver";	4129	$Coro::current->{desc} = "runtime saver";
3765	write_runtime_sync	4130	write_runtime_sync
3766	or warn "ERROR: unable to write runtime file: $!";	4131	or error "ERROR: unable to write runtime file: $!";
3767	};	4132	};
3768	}	4133	}
3769		4134
3770	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4135	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3771	$sig->send;	4136	$sig->send;
…		…
3779		4144
3780	if (0) {	4145	if (0) {
3781	if ($NEXT_TICK) {	4146	if ($NEXT_TICK) {
3782	my $jitter = $TICK_START - $NEXT_TICK;	4147	my $jitter = $TICK_START - $NEXT_TICK;
3783	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4148	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3784	warn "jitter $JITTER\n";#d#	4149	debug "jitter $JITTER\n";#d#
3785	}	4150	}
3786	}	4151	}
3787	}	4152	}
3788		4153
3789	{	4154	{
3790	# configure BDB	4155	# configure BDB
3791		4156
3792	BDB::min_parallel 8;	4157	BDB::min_parallel 16;
3793	BDB::max_poll_reqs $TICK * 0.1;	4158	BDB::max_poll_reqs $TICK * 0.1;
3794	$AnyEvent::BDB::WATCHER->priority (1);	4159	$AnyEvent::BDB::WATCHER->priority (1);
3795		4160
3796	unless ($DB_ENV) {	4161	unless ($DB_ENV) {
3797	$DB_ENV = BDB::db_env_create;	4162	$DB_ENV = BDB::db_env_create;
3798	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4163	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3799	| BDB::LOG_AUTOREMOVE, 1);	4164	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4165	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3800	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4166	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3801	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4167	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3802		4168
3803	cf::sync_job {	4169	cf::sync_job {
3804	eval {	4170	eval {
…		…
3833	IO::AIO::min_parallel 8;	4199	IO::AIO::min_parallel 8;
3834	IO::AIO::max_poll_time $TICK * 0.1;	4200	IO::AIO::max_poll_time $TICK * 0.1;
3835	undef $AnyEvent::AIO::WATCHER;	4201	undef $AnyEvent::AIO::WATCHER;
3836	}	4202	}
3837		4203
3838	my $_log_backtrace;	4204	our $_log_backtrace;
		4205	our $_log_backtrace_last;
3839		4206
3840	sub _log_backtrace {	4207	sub _log_backtrace {
3841	my ($msg, @addr) = @_;	4208	my ($msg, @addr) = @_;
3842		4209
3843	$msg =~ s/\n//;	4210	$msg =~ s/\n$//;
3844		4211
		4212	if ($_log_backtrace_last eq $msg) {
		4213	LOG llevInfo, "[ABT] $msg\n";
		4214	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3845	# limit the # of concurrent backtraces	4215	# limit the # of concurrent backtraces
3846	if ($_log_backtrace < 2) {	4216	} elsif ($_log_backtrace < 2) {
		4217	$_log_backtrace_last = $msg;
3847	++$_log_backtrace;	4218	++$_log_backtrace;
		4219	my $perl_bt = Carp::longmess $msg;
3848	async {	4220	async {
3849	$Coro::current->{desc} = "abt $msg";	4221	$Coro::current->{desc} = "abt $msg";
3850		4222
3851	my @bt = fork_call {	4223	my @bt = fork_call {
3852	@addr = map { sprintf "%x", $_ } @addr;	4224	@addr = map { sprintf "%x", $_ } @addr;
…		…
3863	}	4235	}
3864		4236
3865	@funcs	4237	@funcs
3866	};	4238	};
3867		4239
3868	LOG llevInfo, "[ABT] $msg\n";	4240	LOG llevInfo, "[ABT] $perl_bt\n";
		4241	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3869	LOG llevInfo, "[ABT] $_\n" for @bt;	4242	LOG llevInfo, "[ABT] $_\n" for @bt;
3870	--$_log_backtrace;	4243	--$_log_backtrace;
3871	};	4244	};
3872	} else {	4245	} else {
3873	LOG llevInfo, "[ABT] $msg\n";	4246	LOG llevInfo, "[ABT] $msg\n";
3874	LOG llevInfo, "[ABT] [suppressed]\n";	4247	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3875	}	4248	}
3876	}	4249	}
3877		4250
3878	# load additional modules	4251	# load additional modules
3879	use cf::pod;	4252	require "cf/$_.pm" for @EXTRA_MODULES;
		4253	cf::_connect_to_perl_2;
3880		4254
3881	END { cf::emergency_save }	4255	END { cf::emergency_save }
3882		4256
3883	1	4257	1
3884		4258

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