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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.271 by root, Fri Jun 1 06:04:08 2007 UTC vs.
Revision 1.532 by root, Thu Apr 29 07:32:34 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
		55	use JSON::XS 2.01 ();
25	use BDB ();	56	use BDB ();
26	use Data::Dumper;	57	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	58	use Fcntl;
29	use YAML::Syck ();	59	use YAML::XS ();
30	use IO::AIO 2.32 ();	60	use IO::AIO ();
31	use Time::HiRes;	61	use Time::HiRes;
32	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
33		66
34	# configure various modules to our taste	67	# configure various modules to our taste
35	#	68	#
36	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		77
40	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
41		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		80
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
71		118
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	121	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
82		130
83	our %CFG;	131	our %CFG;
84		132
85	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
87		136
88	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
91		140
92	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		143
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
98		153
99	binmode STDOUT;	154	binmode STDOUT;
100	binmode STDERR;	155	binmode STDERR;
101		156
102	# read virtual server time, if available	157	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
107	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
108		165
109	mkdir $_	166	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		168
112	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
113		170
114	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		187
116	#############################################################################	188	#############################################################################
117		189
118	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
119		191
…		…
155		227
156	The raw value load value from the last tick.	228	The raw value load value from the last tick.
157		229
158	=item %cf::CFG	230	=item %cf::CFG
159		231
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	233	from wherever your confdir points to.
162		234
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		236
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
		252
169	=back	253	=back
170		254
171	=cut	255	=cut
172		256
173	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	258	sub warn (@) { LOG llevWarn , join "", @_ }
		259	sub info (@) { LOG llevInfo , join "", @_ }
		260	sub debug(@) { LOG llevDebug, join "", @_ }
		261	sub trace(@) { LOG llevTrace, join "", @_ }
		262
		263	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	264	my $msg = join "", @_;
176		265
177	$msg .= "\n"	266	$msg .= "\n"
178	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
179		268
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		270
182	utf8::encode $msg;
183	LOG llevError, $msg;	271	LOG llevWarn, $msg;
184	};	272	};
185	}	273
		274	$Coro::State::DIEHOOK = sub {
		275	return unless $^S eq 0; # "eq", not "=="
		276
		277	error Carp::longmess $_[0];
		278
		279	if (in_main) {#d#
		280	error "DIEHOOK called in main context, Coro bug?\n";#d#
		281	return;#d#
		282	}#d#
		283
		284	# kill coroutine otherwise
		285	Coro::terminate
		286	};
186		287
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	292	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		293	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	294	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		295
194	# we bless all objects into (empty) derived classes to force a method lookup	296	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	297	# within the Safe compartment.
196	for my $pkg (qw(	298	for my $pkg (qw(
197	cf::global cf::attachable	299	cf::global cf::attachable
198	cf::object cf::object::player	300	cf::object cf::object::player
199	cf::client cf::player	301	cf::client cf::player
200	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
201	cf::map cf::party cf::region	304	cf::party cf::region
202	)) {	305	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	307	}
206		308
207	$Event::DIED = sub {	309	$EV::DIED = sub {
208	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
209	};	311	};
		312
		313	#############################################################################
210		314
211	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
212		316
213	=over 4	317	=over 4
214		318
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	337	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	338	$d
235	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
236	}	340	}
237		341
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
241		343
242	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
243		345
244	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
245		347
246	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
247		349
		350	=cut
		351
		352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		353
		354	sub encode_json($) { $json_coder->encode ($_[0]) }
		355	sub decode_json($) { $json_coder->decode ($_[0]) }
		356
		357	=item cf::post_init { BLOCK }
		358
		359	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		360	but I<before> the server starts ticking again.
		361
		362	The cdoeblock will have a single boolean argument to indicate whether this
		363	is a reload or not.
		364
		365	=cut
		366
		367	sub post_init(&) {
		368	push @POST_INIT, shift;
		369	}
		370
248	=item cf::lock_wait $string	371	=item cf::lock_wait $string
249		372
250	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
251		374
252	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
253		376
254	Wait until the given lock is available and then acquires it and returns	377	Wait until the given lock is available and then acquires it and returns
255	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	378	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
256	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
257	returned.	380	returned.
258		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
259	Lock names should begin with a unique identifier (for example, cf::map::find	385	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
261		387
262	=item $locked = cf::lock_active $string	388	=item $locked = cf::lock_active $string
263		389
264	Return true if the lock is currently active, i.e. somebody has locked it.	390	Return true if the lock is currently active, i.e. somebody has locked it.
265		391
266	=cut	392	=cut
267		393
268	our %LOCK;	394	our $LOCKS = new Coro::SemaphoreSet;
269		395
270	sub lock_wait($) {	396	sub lock_wait($) {
271	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
272
273	# wait for lock, if any
274	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;
277	}
278	}	398	}
279		399
280	sub lock_acquire($) {	400	sub lock_acquire($) {
281	my ($key) = @_;	401	$LOCKS->guard ($_[0])
282
283	# wait, to be sure we are not locked
284	lock_wait $key;
285
286	$LOCK{$key} = [];
287
288	Coro::guard {
289	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };
291	}
292	}	402	}
293		403
294	sub lock_active($) {	404	sub lock_active($) {
295	my ($key) = @_;	405	$LOCKS->count ($_[0]) < 1
296
297	! ! $LOCK{$key}
298	}	406	}
299		407
300	sub freeze_mainloop {	408	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
302		410
303	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
304	$TICK_WATCHER->start;	412	}
		413
		414	=item cf::periodic $interval, $cb
		415
		416	Like EV::periodic, but randomly selects a starting point so that the actions
		417	get spread over time.
		418
		419	=cut
		420
		421	sub periodic($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
305	};	478	}
306	$TICK_WATCHER->stop;	479	};
307	$guard	480
		481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
		484	my ($time, $pri, $name) = @_;
		485
		486	$time = clamp $time, 0.01, $TICK * .6;
		487
		488	my $sig = new Coro::Signal;
		489
		490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		492	$SLOT_QUEUE->ready;
		493	$sig->wait;
308	}	494	}
309		495
310	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
311		497
312	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		503
318	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
319		505
320	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
321		507
322	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
325		512
326	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
329	fast or be very important.	516	fast or be very important.
…		…
332		519
333	sub sync_job(&) {	520	sub sync_job(&) {
334	my ($job) = @_;	521	my ($job) = @_;
335		522
336	if ($Coro::current == $Coro::main) {	523	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	524	my $time = AE::time;
338		525
339	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
341		528
342	# TODO: use suspend/resume instead	529	LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	530
344	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
345		532
346	my $busy = 1;	533	my $busy = 1;
347	my @res;	534	my @res;
348		535
349	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	538	@res = eval { $job->() };
351	warn $@ if $@;	539	error $@ if $@;
352	undef $busy;	540	undef $busy;
353	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
354		542
355	while ($busy) {	543	while ($busy) {
356	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
357	}	548	}
		549	}
358		550
359	$time = Event::time - $time;	551	my $time = AE::time - $time;
360		552
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364	$tick_start += $time; # do not account sync jobs to server load	553	$TICK_START += $time; # do not account sync jobs to server load
365		554
366	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
367	} else {	556	} else {
368	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
369		558
…		…
389	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
390		579
391	$coro	580	$coro
392	}	581	}
393		582
394	sub write_runtime {	583	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		584
397	# first touch the runtime file to show we are still running:	585	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	586	process, returning the results. Everything must be serialisable with
		587	Coro::Storable. May, of course, block. Note that the executed sub may
		588	never block itself or use any form of event handling.
399		589
400	IO::AIO::aio_utime $runtime, undef, undef;	590	=cut
401		591
402	my $guard = cf::lock_acquire "write_runtime";	592	sub fork_call(&@) {
		593	my ($cb, @args) = @_;
403		594
404	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	595	# we seemingly have to make a local copy of the whole thing,
405	or return;	596	# otherwise perl prematurely frees the stuff :/
		597	# TODO: investigate and fix (likely this will be rather laborious)
406		598
407	my $value = $cf::RUNTIME + 90 + 10;	599	my @res = Coro::Util::fork_eval {
408	# 10 is the runtime save interval, for a monotonic clock	600	reset_signals;
409	# 60 allows for the watchdog to kill the server.	601	&$cb
		602	}, @args;
410		603
411	(aio_write $fh, 0, (length $value), $value, 0) <= 0	604	wantarray ? @res : $res[-1]
412	and return;	605	}
413		606
414	# always fsync - this file is important	607	sub objinfo {
415	aio_fsync $fh
416	and return;
417
418	# touch it again to show we are up-to-date
419	aio_utime $fh, undef, undef;
420
421	close $fh
422	or return;
423
424	aio_rename "$runtime~", $runtime
425	and return;
426
427	warn "runtime file written.\n";#d#
428
429	1	608	(
		609	"counter value" => cf::object::object_count,
		610	"objects created" => cf::object::create_count,
		611	"objects destroyed" => cf::object::destroy_count,
		612	"freelist size" => cf::object::free_count,
		613	"allocated objects" => cf::object::objects_size,
		614	"active objects" => cf::object::actives_size,
		615	)
		616	}
		617
		618	=item $coin = coin_from_name $name
		619
		620	=cut
		621
		622	our %coin_alias = (
		623	"silver" => "silvercoin",
		624	"silvercoin" => "silvercoin",
		625	"silvercoins" => "silvercoin",
		626	"gold" => "goldcoin",
		627	"goldcoin" => "goldcoin",
		628	"goldcoins" => "goldcoin",
		629	"platinum" => "platinacoin",
		630	"platinumcoin" => "platinacoin",
		631	"platinumcoins" => "platinacoin",
		632	"platina" => "platinacoin",
		633	"platinacoin" => "platinacoin",
		634	"platinacoins" => "platinacoin",
		635	"royalty" => "royalty",
		636	"royalties" => "royalty",
		637	);
		638
		639	sub coin_from_name($) {
		640	$coin_alias{$_[0]}
		641	? cf::arch::find $coin_alias{$_[0]}
		642	: undef
		643	}
		644
		645	=item $value = cf::db_get $family => $key
		646
		647	Returns a single value from the environment database.
		648
		649	=item cf::db_put $family => $key => $value
		650
		651	Stores the given C<$value> in the family. It can currently store binary
		652	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		653
		654	=item $db = cf::db_table "name"
		655
		656	Create and/or open a new database table. The string must not be "db" and must be unique
		657	within each server.
		658
		659	=cut
		660
		661	sub db_table($) {
		662	my ($name) = @_;
		663	my $db = BDB::db_create $DB_ENV;
		664
		665	eval {
		666	$db->set_flags (BDB::CHKSUM);
		667
		668	utf8::encode $name;
		669	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		670	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		671	cf::cleanup "db_open(db): $!" if $!;
		672	};
		673	cf::cleanup "db_open(db): $@" if $@;
		674
		675	$db
		676	}
		677
		678	our $DB;
		679
		680	sub db_init {
		681	cf::sync_job {
		682	$DB ||= db_table "db";
		683	};
		684	}
		685
		686	sub db_get($$) {
		687	my $key = "$_[0]/$_[1]";
		688
		689	cf::sync_job {
		690	BDB::db_get $DB, undef, $key, my $data;
		691
		692	$! ? ()
		693	: $data
		694	}
		695	}
		696
		697	sub db_put($$$) {
		698	BDB::dbreq_pri 4;
		699	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		700	}
		701
		702	=item cf::cache $id => [$paths...], $processversion => $process
		703
		704	Generic caching function that returns the value of the resource $id,
		705	caching and regenerating as required.
		706
		707	This function can block.
		708
		709	=cut
		710
		711	sub cache {
		712	my ($id, $src, $processversion, $process) = @_;
		713
		714	my $meta =
		715	join "\x00",
		716	$processversion,
		717	map {
		718	aio_stat $_
		719	and Carp::croak "$_: $!";
		720
		721	($_, (stat _)[7,9])
		722	} @$src;
		723
		724	my $dbmeta = db_get cache => "$id/meta";
		725	if ($dbmeta ne $meta) {
		726	# changed, we may need to process
		727
		728	my @data;
		729	my $md5;
		730
		731	for (0 .. $#$src) {
		732	0 <= aio_load $src->[$_], $data[$_]
		733	or Carp::croak "$src->[$_]: $!";
		734	}
		735
		736	# if processing is expensive, check
		737	# checksum first
		738	if (1) {
		739	$md5 =
		740	join "\x00",
		741	$processversion,
		742	map {
		743	cf::cede_to_tick;
		744	($src->[$_], Digest::MD5::md5_hex $data[$_])
		745	} 0.. $#$src;
		746
		747
		748	my $dbmd5 = db_get cache => "$id/md5";
		749	if ($dbmd5 eq $md5) {
		750	db_put cache => "$id/meta", $meta;
		751
		752	return db_get cache => "$id/data";
		753	}
		754	}
		755
		756	my $t1 = Time::HiRes::time;
		757	my $data = $process->(\@data);
		758	my $t2 = Time::HiRes::time;
		759
		760	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		761
		762	db_put cache => "$id/data", $data;
		763	db_put cache => "$id/md5" , $md5;
		764	db_put cache => "$id/meta", $meta;
		765
		766	return $data;
		767	}
		768
		769	db_get cache => "$id/data"
430	}	770	}
431		771
432	=item cf::datalog type => key => value, ...	772	=item cf::datalog type => key => value, ...
433		773
434	Log a datalog packet of the given type with the given key-value pairs.	774	Log a datalog packet of the given type with the given key-value pairs.
435		775
436	=cut	776	=cut
437		777
438	sub datalog($@) {	778	sub datalog($@) {
439	my ($type, %kv) = @_;	779	my ($type, %kv) = @_;
440	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	780	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
441	}	781	}
442		782
443	=back	783	=back
444		784
445	=cut	785	=cut
446		786
447	#############################################################################	787	#############################################################################
448		788
449	=head2 ATTACHABLE OBJECTS	789	=head2 ATTACHABLE OBJECTS
450		790
451	Many objects in crossfire are so-called attachable objects. That means you can	791	Many objects in deliantra are so-called attachable objects. That means you can
452	attach callbacks/event handlers (a collection of which is called an "attachment")	792	attach callbacks/event handlers (a collection of which is called an "attachment")
453	to it. All such attachable objects support the following methods.	793	to it. All such attachable objects support the following methods.
454		794
455	In the following description, CLASS can be any of C<global>, C<object>	795	In the following description, CLASS can be any of C<global>, C<object>
456	C<player>, C<client> or C<map> (i.e. the attachable objects in	796	C<player>, C<client> or C<map> (i.e. the attachable objects in
457	crossfire+).	797	Deliantra).
458		798
459	=over 4	799	=over 4
460		800
461	=item $attachable->attach ($attachment, key => $value...)	801	=item $attachable->attach ($attachment, key => $value...)
462		802
…		…
506	=item cf::CLASS::attachment $name, ...	846	=item cf::CLASS::attachment $name, ...
507		847
508	Register an attachment by C<$name> through which attachable objects of the	848	Register an attachment by C<$name> through which attachable objects of the
509	given CLASS can refer to this attachment.	849	given CLASS can refer to this attachment.
510		850
511	Some classes such as crossfire maps and objects can specify attachments	851	Some classes such as deliantra maps and objects can specify attachments
512	that are attached at load/instantiate time, thus the need for a name.	852	that are attached at load/instantiate time, thus the need for a name.
513		853
514	These calls expect any number of the following handler/hook descriptions:	854	These calls expect any number of the following handler/hook descriptions:
515		855
516	=over 4	856	=over 4
…		…
640		980
641	} elsif (exists $cb_id{$type}) {	981	} elsif (exists $cb_id{$type}) {
642	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	982	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
643		983
644	} elsif (ref $type) {	984	} elsif (ref $type) {
645	warn "attaching objects not supported, ignoring.\n";	985	error "attaching objects not supported, ignoring.\n";
646		986
647	} else {	987	} else {
648	shift @arg;	988	shift @arg;
649	warn "attach argument '$type' not supported, ignoring.\n";	989	error "attach argument '$type' not supported, ignoring.\n";
650	}	990	}
651	}	991	}
652	}	992	}
653		993
654	sub _object_attach {	994	sub _object_attach {
…		…
664	_attach $registry, $klass, @attach;	1004	_attach $registry, $klass, @attach;
665	}	1005	}
666		1006
667	$obj->{$name} = \%arg;	1007	$obj->{$name} = \%arg;
668	} else {	1008	} else {
669	warn "object uses attachment '$name' that is not available, postponing.\n";	1009	info "object uses attachment '$name' which is not available, postponing.\n";
670	}	1010	}
671		1011
672	$obj->{_attachment}{$name} = undef;	1012	$obj->{_attachment}{$name} = undef;
673	}	1013	}
674		1014
…		…
714	";	1054	";
715	die if $@;	1055	die if $@;
716	}	1056	}
717		1057
718	our $override;	1058	our $override;
719	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1059	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
720		1060
721	sub override {	1061	sub override {
722	$override = 1;	1062	$override = 1;
723	@invoke_results = ();	1063	@INVOKE_RESULTS = (@_);
724	}	1064	}
725		1065
726	sub do_invoke {	1066	sub do_invoke {
727	my $event = shift;	1067	my $event = shift;
728	my $callbacks = shift;	1068	my $callbacks = shift;
729		1069
730	@invoke_results = ();	1070	@INVOKE_RESULTS = ();
731		1071
732	local $override;	1072	local $override;
733		1073
734	for (@$callbacks) {	1074	for (@$callbacks) {
735	eval { &{$_->[1]} };	1075	eval { &{$_->[1]} };
736		1076
737	if ($@) {	1077	if ($@) {
738	warn "$@";
739	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1078	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
740	override;	1079	override;
741	}	1080	}
742		1081
743	return 1 if $override;	1082	return 1 if $override;
744	}	1083	}
745		1084
746	0	1085	0
747	}	1086	}
748		1087
749	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1088	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750		1089
751	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752		1091
753	Generate an object-specific event with the given arguments.	1092	Generate an object-specific event with the given arguments.
754		1093
755	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1094	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
756	removed in future versions), and there is no public API to access override	1095	removed in future versions), and there is no public API to access override
757	results (if you must, access C<@cf::invoke_results> directly).	1096	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		1097
759	=back	1098	=back
760		1099
761	=cut	1100	=cut
762		1101
763	#############################################################################	1102	#############################################################################
764	# object support	1103	# object support
		1104
		1105	sub _object_equal($$);
		1106	sub _object_equal($$) {
		1107	my ($a, $b) = @_;
		1108
		1109	return 0 unless (ref $a) eq (ref $b);
		1110
		1111	if ("HASH" eq ref $a) {
		1112	my @ka = keys %$a;
		1113	my @kb = keys %$b;
		1114
		1115	return 0 if @ka != @kb;
		1116
		1117	for (0 .. $#ka) {
		1118	return 0 unless $ka[$_] eq $kb[$_];
		1119	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1120	}
		1121
		1122	} elsif ("ARRAY" eq ref $a) {
		1123
		1124	return 0 if @$a != @$b;
		1125
		1126	for (0 .. $#$a) {
		1127	return 0 unless _object_equal $a->[$_], $b->[$_];
		1128	}
		1129
		1130	} elsif ($a ne $b) {
		1131	return 0;
		1132	}
		1133
		1134	1
		1135	}
		1136
		1137	our $SLOW_MERGES;#d#
		1138	sub _can_merge {
		1139	my ($ob1, $ob2) = @_;
		1140
		1141	++$SLOW_MERGES;#d#
		1142
		1143	# we do the slow way here
		1144	return _object_equal $ob1, $ob2
		1145	}
765		1146
766	sub reattach {	1147	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	1148	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	1149	my ($obj) = @_;
769		1150
		1151	# no longer needed after getting rid of delete_package?
770	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1152	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
771		1153
772	my $registry = $obj->registry;	1154	my $registry = $obj->registry;
773		1155
774	@$registry = ();	1156	@$registry = ();
775		1157
…		…
780	for (@$attach) {	1162	for (@$attach) {
781	my ($klass, @attach) = @$_;	1163	my ($klass, @attach) = @$_;
782	_attach $registry, $klass, @attach;	1164	_attach $registry, $klass, @attach;
783	}	1165	}
784	} else {	1166	} else {
785	warn "object uses attachment '$name' that is not available, postponing.\n";	1167	info "object uses attachment '$name' that is not available, postponing.\n";
786	}	1168	}
787	}	1169	}
788	}	1170	}
789		1171
790	cf::attachable->attach (	1172	cf::attachable->attach (
791	prio => -1000000,	1173	prio => -1000000,
792	on_instantiate => sub {	1174	on_instantiate => sub {
793	my ($obj, $data) = @_;	1175	my ($obj, $data) = @_;
794		1176
795	$data = from_json $data;	1177	$data = decode_json $data;
796		1178
797	for (@$data) {	1179	for (@$data) {
798	my ($name, $args) = @$_;	1180	my ($name, $args) = @$_;
799		1181
800	$obj->attach ($name, %{$args || {} });	1182	$obj->attach ($name, %{$args || {} });
…		…
816	sub object_freezer_save {	1198	sub object_freezer_save {
817	my ($filename, $rdata, $objs) = @_;	1199	my ($filename, $rdata, $objs) = @_;
818		1200
819	sync_job {	1201	sync_job {
820	if (length $$rdata) {	1202	if (length $$rdata) {
		1203	utf8::decode (my $decname = $filename);
821	warn sprintf "saving %s (%d,%d)\n",	1204	trace sprintf "saving %s (%d,%d)\n",
822	$filename, length $$rdata, scalar @$objs;	1205	$decname, length $$rdata, scalar @$objs
		1206	if $VERBOSE_IO;
823		1207
824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1208	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825	chmod SAVE_MODE, $fh;	1209	aio_chmod $fh, SAVE_MODE;
826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1210	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827	aio_fsync $fh if $cf::USE_FSYNC;	1211	if ($cf::USE_FSYNC) {
		1212	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;
		1213	aio_fsync $fh;
		1214	}
828	close $fh;	1215	aio_close $fh;
829		1216
830	if (@$objs) {	1217	if (@$objs) {
831	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1218	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
832	chmod SAVE_MODE, $fh;	1219	aio_chmod $fh, SAVE_MODE;
833	my $data = Storable::nfreeze { version => 1, objs => $objs };	1220	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834	aio_write $fh, 0, (length $data), $data, 0;	1221	aio_write $fh, 0, (length $data), $data, 0;
835	aio_fsync $fh if $cf::USE_FSYNC;	1222	if ($cf::USE_FSYNC) {
		1223	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;
		1224	aio_fsync $fh;
		1225	}
836	close $fh;	1226	aio_close $fh;
837	aio_rename "$filename.pst~", "$filename.pst";	1227	aio_rename "$filename.pst~", "$filename.pst";
838	}	1228	}
839	} else {	1229	} else {
840	aio_unlink "$filename.pst";	1230	aio_unlink "$filename.pst";
841	}	1231	}
842		1232
843	aio_rename "$filename~", $filename;	1233	aio_rename "$filename~", $filename;
		1234
		1235	$filename =~ s%/[^/]+$%%;
		1236	aio_pathsync $filename if $cf::USE_FSYNC;
844	} else {	1237	} else {
845	warn "FATAL: $filename~: $!\n";	1238	error "unable to save objects: $filename~: $!\n";
846	}	1239	}
847	} else {	1240	} else {
848	aio_unlink $filename;	1241	aio_unlink $filename;
849	aio_unlink "$filename.pst";	1242	aio_unlink "$filename.pst";
850	}	1243	}
851	}	1244	};
852	}	1245	}
853		1246
854	sub object_freezer_as_string {	1247	sub object_freezer_as_string {
855	my ($rdata, $objs) = @_;	1248	my ($rdata, $objs) = @_;
856		1249
…		…
868	or return;	1261	or return;
869		1262
870	unless (aio_stat "$filename.pst") {	1263	unless (aio_stat "$filename.pst") {
871	(aio_load "$filename.pst", $av) >= 0	1264	(aio_load "$filename.pst", $av) >= 0
872	or return;	1265	or return;
		1266
873	$av = eval { (Storable::thaw $av)->{objs} };	1267	my $st = eval { Coro::Storable::thaw $av };
		1268	$av = $st->{objs};
874	}	1269	}
875		1270
		1271	utf8::decode (my $decname = $filename);
876	warn sprintf "loading %s (%d)\n",	1272	trace sprintf "loading %s (%d,%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1273	$decname, length $data, scalar @{$av || []}
		1274	if $VERBOSE_IO;
		1275
878	return ($data, $av);	1276	($data, $av)
879	}	1277	}
		1278
		1279	=head2 COMMAND CALLBACKS
		1280
		1281	=over 4
		1282
		1283	=cut
880		1284
881	#############################################################################	1285	#############################################################################
882	# command handling &c	1286	# command handling &c
883		1287
884	=item cf::register_command $name => \&callback($ob,$args);	1288	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1301	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1302	}
899		1303
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1304	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1305
902	Register a callbackf ro execution when the client sends an extcmd packet.	1306	Register a callback for execution when the client sends an (synchronous)
		1307	extcmd packet. Ext commands will be processed in the order they are
		1308	received by the server, like other user commands. The first argument is
		1309	the logged-in player. Ext commands can only be processed after a player
		1310	has logged in successfully.
903		1311
904	If the callback returns something, it is sent back as if reply was being	1312	If the callback returns something, it is sent back as if reply was being
905	called.	1313	called.
906		1314
		1315	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1316
		1317	Register a callback for execution when the client sends an (asynchronous)
		1318	exticmd packet. Exti commands are processed by the server as soon as they
		1319	are received, i.e. out of order w.r.t. other commands. The first argument
		1320	is a client socket. Exti commands can be received anytime, even before
		1321	log-in.
		1322
		1323	If the callback returns something, it is sent back as if reply was being
		1324	called.
		1325
907	=cut	1326	=cut
908		1327
909	sub register_extcmd {	1328	sub register_extcmd {
910	my ($name, $cb) = @_;	1329	my ($name, $cb) = @_;
911		1330
912	$EXTCMD{$name} = $cb;	1331	$EXTCMD{$name} = $cb;
913	}	1332	}
914		1333
		1334	sub register_exticmd {
		1335	my ($name, $cb) = @_;
		1336
		1337	$EXTICMD{$name} = $cb;
		1338	}
		1339
		1340	use File::Glob ();
		1341
915	cf::player->attach (	1342	cf::player->attach (
916	on_command => sub {	1343	on_unknown_command => sub {
917	my ($pl, $name, $params) = @_;	1344	my ($pl, $name, $params) = @_;
918		1345
919	my $cb = $COMMAND{$name}	1346	my $cb = $COMMAND{$name}
920	or return;	1347	or return;
921		1348
…		…
926	cf::override;	1353	cf::override;
927	},	1354	},
928	on_extcmd => sub {	1355	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1356	my ($pl, $buf) = @_;
930		1357
931	my $msg = eval { from_json $buf };	1358	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1359
933	if (ref $msg) {	1360	if (ref $msg) {
		1361	my ($type, $reply, @payload) =
		1362	"ARRAY" eq ref $msg
		1363	? @$msg
		1364	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1365
		1366	my @reply;
		1367
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1368	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1369	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1370	}
		1371
		1372	$pl->ext_reply ($reply, @reply)
		1373	if $reply;
		1374
939	} else {	1375	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1376	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1377	}
942		1378
943	cf::override;	1379	cf::override;
944	},	1380	},
945	);	1381	);
946		1382
		1383	# "readahead" all extensions
947	sub load_extension {	1384	sub cache_extensions {
948	my ($path) = @_;	1385	my $grp = IO::AIO::aio_group;
949		1386
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1387	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
951	my $base = $1;	1388	for (grep /\.ext$/, @{$_[0]}) {
952	my $pkg = $1;	1389	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955
956	warn "... loading '$path' into '$pkg'\n";
957
958	open my $fh, "<:utf8", $path
959	or die "$path: $!";
960
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	unless (eval $source) {
968	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	warn $@;
972	warn "mandatory extension failed to load, exiting.\n";
973	exit 1;
974	}	1390	}
975	die $@;
976	}	1391	};
977		1392
978	push @EXTS, $pkg;	1393	$grp
979	}	1394	}
980		1395
981	sub load_extensions {	1396	sub load_extensions {
		1397	info "loading extensions...";
		1398
		1399	cf::sync_job {
		1400	my %todo;
		1401
982	for my $ext (<$LIBDIR/*.ext>) {	1402	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1403	next unless -r $path;
984	eval {	1404
985	load_extension $ext;	1405	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1406	my $base = $1;
		1407	my $pkg = $1;
		1408	$pkg =~ s/[^[:word:]]/_/g;
		1409	$pkg = "ext::$pkg";
		1410
		1411	open my $fh, "<:utf8", $path
		1412	or die "$path: $!";
		1413
		1414	my $source = do { local $/; <$fh> };
		1415
		1416	my %ext = (
		1417	path => $path,
		1418	base => $base,
		1419	pkg => $pkg,
		1420	);
		1421
		1422	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1423	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1424
		1425	$ext{source} =
		1426	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1427	. "#line 1 \"$path\"\n{\n"
		1428	. $source
		1429	. "\n};\n1";
		1430
		1431	$todo{$base} = \%ext;
		1432	}
		1433
		1434	my $pass = 0;
		1435	my %done;
		1436	while (%todo) {
		1437	my $progress;
		1438
		1439	++$pass;
		1440
		1441	ext:
		1442	while (my ($k, $v) = each %todo) {
		1443	for (split /,\s*/, $v->{meta}{depends}) {
		1444	next ext
		1445	unless exists $done{$_};
		1446	}
		1447
		1448	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1449
		1450	my $active = eval $v->{source};
		1451
		1452	if (length $@) {
		1453	error "$v->{path}: $@\n";
		1454
		1455	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1456	if exists $v->{meta}{mandatory};
		1457
		1458	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1459	delete $todo{$k};
		1460	} else {
		1461	$done{$k} = delete $todo{$k};
		1462	push @EXTS, $v->{pkg};
		1463	$progress = 1;
		1464
		1465	info "$v->{base}: extension inactive.\n"
		1466	unless $active;
		1467	}
986	1	1468	}
987	} or warn "$ext not loaded: $@";	1469
		1470	unless ($progress) {
		1471	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1472
		1473	while (my ($k, $v) = each %todo) {
		1474	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1475	if exists $v->{meta}{mandatory};
		1476	}
		1477	}
		1478	}
988	}	1479	};
989	}	1480	}
990		1481
991	#############################################################################	1482	#############################################################################
992		1483
		1484	=back
		1485
993	=head2 CORE EXTENSIONS	1486	=head2 CORE EXTENSIONS
994		1487
995	Functions and methods that extend core crossfire objects.	1488	Functions and methods that extend core deliantra objects.
996		1489
997	=cut	1490	=cut
998		1491
999	package cf::player;	1492	package cf::player;
1000		1493
1001	use Coro::AIO;	1494	use Coro::AIO;
1002		1495
1003	=head3 cf::player	1496	=head3 cf::player
1004		1497
1005	=over 4	1498	=over 4
		1499
		1500	=item cf::player::num_playing
		1501
		1502	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1503
		1504	=cut
		1505
		1506	sub num_playing {
		1507	scalar grep
		1508	$_->ob->map
		1509	&& !$_->hidden
		1510	&& !$_->ob->flag (cf::FLAG_WIZ),
		1511	cf::player::list
		1512	}
1006		1513
1007	=item cf::player::find $login	1514	=item cf::player::find $login
1008		1515
1009	Returns the given player object, loading it if necessary (might block).	1516	Returns the given player object, loading it if necessary (might block).
1010		1517
…		…
1029		1536
1030	sub exists($) {	1537	sub exists($) {
1031	my ($login) = @_;	1538	my ($login) = @_;
1032		1539
1033	$cf::PLAYER{$login}	1540	$cf::PLAYER{$login}
1034	or cf::sync_job { !aio_stat path $login }	1541	or !aio_stat path $login
1035	}	1542	}
1036		1543
1037	sub find($) {	1544	sub find($) {
1038	return $cf::PLAYER{$_[0]} || do {	1545	return $cf::PLAYER{$_[0]} || do {
1039	my $login = $_[0];	1546	my $login = $_[0];
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1553	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1554	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1555	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1556	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1557
1051	my $pl = load_pl path $login	1558	my $f = new_from_file cf::object::thawer path $login
1052	or return;	1559	or return;
		1560
		1561	my $pl = cf::player::load_pl $f
		1562	or return;
		1563
		1564	local $cf::PLAYER_LOADING{$login} = $pl;
		1565	$f->resolve_delayed_derefs;
1053	$cf::PLAYER{$login} = $pl	1566	$cf::PLAYER{$login} = $pl
1054	}	1567	}
1055	}	1568	}
1056	}	1569	}
		1570
		1571	cf::player->attach (
		1572	on_load => sub {
		1573	my ($pl, $path) = @_;
		1574
		1575	# restore slots saved in save, below
		1576	my $slots = delete $pl->{_slots};
		1577
		1578	$pl->ob->current_weapon ($slots->[0]);
		1579	$pl->combat_ob ($slots->[1]);
		1580	$pl->ranged_ob ($slots->[2]);
		1581	},
		1582	);
1057		1583
1058	sub save($) {	1584	sub save($) {
1059	my ($pl) = @_;	1585	my ($pl) = @_;
1060		1586
1061	return if $pl->{deny_save};	1587	return if $pl->{deny_save};
…		…
1066	return if $pl->{deny_save};	1592	return if $pl->{deny_save};
1067		1593
1068	aio_mkdir playerdir $pl, 0770;	1594	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1595	$pl->{last_save} = $cf::RUNTIME;
1070		1596
		1597	cf::get_slot 0.01;
		1598
		1599	# save slots, to be restored later
		1600	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1601
1071	$pl->save_pl ($path);	1602	$pl->save_pl ($path);
1072	Coro::cede;	1603	cf::cede_to_tick;
1073	}	1604	}
1074		1605
1075	sub new($) {	1606	sub new($) {
1076	my ($login) = @_;	1607	my ($login) = @_;
1077		1608
…		…
1083	$cf::PLAYER{$login} = $self;	1614	$cf::PLAYER{$login} = $self;
1084		1615
1085	$self	1616	$self
1086	}	1617	}
1087		1618
		1619	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1620
		1621	=cut
		1622
		1623	sub send_msg {
		1624	my $ns = shift->ns
		1625	or return;
		1626	$ns->send_msg (@_);
		1627	}
		1628
1088	=item $pl->quit_character	1629	=item $pl->quit_character
1089		1630
1090	Nukes the player without looking back. If logged in, the connection will	1631	Nukes the player without looking back. If logged in, the connection will
1091	be destroyed. May block for a long time.	1632	be destroyed. May block for a long time.
1092		1633
…		…
1096	my ($pl) = @_;	1637	my ($pl) = @_;
1097		1638
1098	my $name = $pl->ob->name;	1639	my $name = $pl->ob->name;
1099		1640
1100	$pl->{deny_save} = 1;	1641	$pl->{deny_save} = 1;
1101	$pl->password ("*"); # this should lock out the player until we nuked the dir	1642	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1102		1643
1103	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1644	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1104	$pl->deactivate;	1645	$pl->deactivate;
		1646	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1105	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1647	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1106	$pl->ns->destroy if $pl->ns;	1648	$pl->ns->destroy if $pl->ns;
1107		1649
1108	my $path = playerdir $pl;	1650	my $path = playerdir $pl;
1109	my $temp = "$path~$cf::RUNTIME~deleting~";	1651	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1145	or return [];	1687	or return [];
1146		1688
1147	my @logins;	1689	my @logins;
1148		1690
1149	for my $login (@$dirs) {	1691	for my $login (@$dirs) {
		1692	my $path = path $login;
		1693
		1694	# a .pst is a dead give-away for a valid player
		1695	# if no pst file found, open and chekc for blocked users
		1696	if (aio_stat "$path.pst") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1697	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1698	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1699	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1700	}
1153		1701
1154	utf8::decode $login;	1702	utf8::decode $login;
1155	push @logins, $login;	1703	push @logins, $login;
1156	}	1704	}
1157		1705
1158	\@logins	1706	\@logins
1159	}	1707	}
1160		1708
1161	=item $player->maps	1709	=item $player->maps
		1710
		1711	=item cf::player::maps $login
1162		1712
1163	Returns an arrayref of map paths that are private for this	1713	Returns an arrayref of map paths that are private for this
1164	player. May block.	1714	player. May block.
1165		1715
1166	=cut	1716	=cut
…		…
1184	}	1734	}
1185		1735
1186	\@paths	1736	\@paths
1187	}	1737	}
1188		1738
		1739	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1740
		1741	Expand deliantra pod fragments into protocol xml.
		1742
1189	=item $player->ext_reply ($msgid, %msg)	1743	=item $player->ext_reply ($msgid, @msg)
1190		1744
1191	Sends an ext reply to the player.	1745	Sends an ext reply to the player.
1192		1746
1193	=cut	1747	=cut
1194		1748
1195	sub ext_reply($$%) {	1749	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1750	my ($self, $id, @msg) = @_;
1197		1751
1198	$msg{msgid} = $id;	1752	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1753	}
1202		1754
1203	=item $player->ext_event ($type, %msg)	1755	=item $player->ext_msg ($type, @msg)
1204		1756
1205	Sends an ext event to the client.	1757	Sends an ext event to the client.
1206		1758
1207	=cut	1759	=cut
1208		1760
1209	sub ext_event($$%) {	1761	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1762	my ($self, $type, @msg) = @_;
1211		1763
1212	$self->ns->ext_event ($type, %msg);	1764	$self->ns->ext_msg ($type, @msg);
1213	}	1765	}
1214		1766
1215	=head3 cf::region	1767	=head3 cf::region
1216		1768
1217	=over 4	1769	=over 4
…		…
1220		1772
1221	package cf::region;	1773	package cf::region;
1222		1774
1223	=item cf::region::find_by_path $path	1775	=item cf::region::find_by_path $path
1224		1776
1225	Tries to decuce the probable region for a map knowing only its path.	1777	Tries to decuce the likely region for a map knowing only its path.
1226		1778
1227	=cut	1779	=cut
1228		1780
1229	sub find_by_path($) {	1781	sub find_by_path($) {
1230	my ($path) = @_;	1782	my ($path) = @_;
1231		1783
		1784	$path =~ s/^~[^\/]*//; # skip ~login
		1785
1232	my ($match, $specificity);	1786	my ($match, $specificity);
1233		1787
1234	for my $region (list) {	1788	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1789	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1790	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1791	if $region->specificity > $specificity;
1238	}	1792	}
1239	}	1793	}
1240		1794
…		…
1261	our $MAX_RESET = 3600;	1815	our $MAX_RESET = 3600;
1262	our $DEFAULT_RESET = 3000;	1816	our $DEFAULT_RESET = 3000;
1263		1817
1264	sub generate_random_map {	1818	sub generate_random_map {
1265	my ($self, $rmp) = @_;	1819	my ($self, $rmp) = @_;
		1820
		1821	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1822
1266	# mit "rum" bekleckern, nicht	1823	# mit "rum" bekleckern, nicht
1267	$self->_create_random_map (	1824	$self->_create_random_map (
1268	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1825	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1826	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1270	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1827	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1271	$rmp->{exit_on_final_map},	1828	$rmp->{exit_on_final_map},
1272	$rmp->{xsize}, $rmp->{ysize},	1829	$rmp->{xsize}, $rmp->{ysize},
1273	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1830	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1274	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1831	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1296		1853
1297	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1854	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1298	}	1855	}
1299		1856
1300	# also paths starting with '/'	1857	# also paths starting with '/'
1301	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1858	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1302		1859
1303	sub thawer_merge {	1860	sub thawer_merge {
1304	my ($self, $merge) = @_;	1861	my ($self, $merge) = @_;
1305		1862
1306	# we have to keep some variables in memory intact	1863	# we have to keep some variables in memory intact
1307	local $self->{path};	1864	local $self->{path};
1308	local $self->{load_path};	1865	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1866
1312	$self->SUPER::thawer_merge ($merge);	1867	$self->SUPER::thawer_merge ($merge);
1313	}	1868	}
1314		1869
1315	sub normalise {	1870	sub normalise {
…		…
1362	$self->init; # pass $1 etc.	1917	$self->init; # pass $1 etc.
1363	return $self;	1918	return $self;
1364	}	1919	}
1365	}	1920	}
1366		1921
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	1922	Carp::cluck "unable to resolve path '$path' (base '$base').";
1368	()	1923	()
1369	}	1924	}
1370		1925
1371	sub init {	1926	sub init {
1372	my ($self) = @_;	1927	my ($self) = @_;
…		…
1394		1949
1395	# the temporary/swap location	1950	# the temporary/swap location
1396	sub save_path {	1951	sub save_path {
1397	my ($self) = @_;	1952	my ($self) = @_;
1398		1953
1399	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1954	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400	"$TMPDIR/$path.map"	1955	"$TMPDIR/$path.map"
1401	}	1956	}
1402		1957
1403	# the unique path, undef == no special unique path	1958	# the unique path, undef == no special unique path
1404	sub uniq_path {	1959	sub uniq_path {
1405	my ($self) = @_;	1960	my ($self) = @_;
1406		1961
1407	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1962	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408	"$UNIQUEDIR/$path"	1963	"$UNIQUEDIR/$path"
1409	}	1964	}
1410		1965
1411	# and all this just because we cannot iterate over	1966	sub decay_objects {
1412	# all maps in C++...
1413	sub change_all_map_light {
1414	my ($change) = @_;	1967	my ($self) = @_;
1415		1968
1416	$_->change_map_light ($change)	1969	return if $self->{deny_reset};
1417	for grep $_->outdoor, values %cf::MAP;	1970
		1971	$self->do_decay_objects;
1418	}	1972	}
1419		1973
1420	sub unlink_save {	1974	sub unlink_save {
1421	my ($self) = @_;	1975	my ($self) = @_;
1422		1976
…		…
1427		1981
1428	sub load_header_from($) {	1982	sub load_header_from($) {
1429	my ($self, $path) = @_;	1983	my ($self, $path) = @_;
1430		1984
1431	utf8::encode $path;	1985	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	1986	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	or return;	1987	or return;
		1988
		1989	$self->_load_header ($f)
		1990	or return;
		1991
		1992	local $MAP_LOADING{$self->{path}} = $self;
		1993	$f->resolve_delayed_derefs;
1437		1994
1438	$self->{load_path} = $path;	1995	$self->{load_path} = $path;
1439		1996
1440	1	1997	1
1441	}	1998	}
…		…
1480	$self->load_header_orig	2037	$self->load_header_orig
1481	or return;	2038	or return;
1482	$self->prepare_orig;	2039	$self->prepare_orig;
1483	}	2040	}
1484		2041
		2042	$self->{deny_reset} = 1
		2043	if $self->no_reset;
		2044
1485	$self->default_region (cf::region::find_by_path $self->{path})	2045	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	2046	unless $self->default_region;
1487		2047
1488	1	2048	1
1489	}	2049	}
…		…
1492	sub find {	2052	sub find {
1493	my ($path, $origin) = @_;	2053	my ($path, $origin) = @_;
1494		2054
1495	$path = normalise $path, $origin && $origin->path;	2055	$path = normalise $path, $origin && $origin->path;
1496		2056
		2057	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	2058	my $guard2 = cf::lock_acquire "map_find:$path";
1498		2059
1499	$cf::MAP{$path} || do {	2060	$cf::MAP{$path} || do {
1500	my $guard = cf::lock_acquire "map_find:$path";
1501	my $map = new_from_path cf::map $path	2061	my $map = new_from_path cf::map $path
1502	or return;	2062	or return;
1503		2063
1504	$map->{last_save} = $cf::RUNTIME;	2064	$map->{last_save} = $cf::RUNTIME;
1505		2065
1506	$map->load_header	2066	$map->load_header
1507	or return;	2067	or return;
1508		2068
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2069	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	2070	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	2071	#$cf::WAIT_FOR_TICK->wait;
		2072	undef $guard2;
		2073	undef $guard1;
1512	$map->reset;	2074	$map->reset;
1513	undef $guard;
1514	return find $path;	2075	return find $path;
1515	}	2076	}
1516		2077
1517	$cf::MAP{$path} = $map	2078	$cf::MAP{$path} = $map
1518	}	2079	}
1519	}	2080	}
1520		2081
1521	sub pre_load { }	2082	sub pre_load { }
1522	sub post_load { }	2083	#sub post_load { } # XS
1523		2084
1524	sub load {	2085	sub load {
1525	my ($self) = @_;	2086	my ($self) = @_;
1526		2087
1527	local $self->{deny_reset} = 1; # loading can take a long time	2088	local $self->{deny_reset} = 1; # loading can take a long time
1528		2089
1529	my $path = $self->{path};	2090	my $path = $self->{path};
1530		2091
1531	{	2092	{
1532	my $guard = cf::lock_acquire "map_load:$path";	2093	my $guard = cf::lock_acquire "map_data:$path";
1533		2094
		2095	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	2096	return unless $self->in_memory == cf::MAP_SWAPPED;
1535		2097
1536	$self->in_memory (cf::MAP_LOADING);	2098	$self->in_memory (cf::MAP_LOADING);
1537		2099
1538	$self->alloc;	2100	$self->alloc;
1539		2101
1540	$self->pre_load;	2102	$self->pre_load;
1541	Coro::cede;	2103	cf::cede_to_tick;
1542		2104
		2105	my $f = new_from_file cf::object::thawer $self->{load_path};
		2106	$f->skip_block;
1543	$self->_load_objects ($self->{load_path}, 1)	2107	$self->_load_objects ($f)
1544	or return;	2108	or return;
1545		2109
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2110	$self->post_load_original
1547	if delete $self->{load_original};	2111	if delete $self->{load_original};
1548		2112
1549	if (my $uniq = $self->uniq_path) {	2113	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	2114	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	2115	unless (aio_stat $uniq) {
		2116	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	2117	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	2118	$self->_load_objects ($f);
		2119	$f->resolve_delayed_derefs;
		2120	}
1554	}	2121	}
1555	}	2122	}
1556		2123
1557	Coro::cede;	2124	$f->resolve_delayed_derefs;
		2125
		2126	cf::cede_to_tick;
1558	# now do the right thing for maps	2127	# now do the right thing for maps
1559	$self->link_multipart_objects;	2128	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	2129	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	2130	unless $self->difficulty;
1562	Coro::cede;	2131	cf::cede_to_tick;
1563		2132
1564	unless ($self->{deny_activate}) {	2133	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	2134	$self->decay_objects;
1566	$self->fix_auto_apply;	2135	$self->fix_auto_apply;
1567	$self->update_buttons;	2136	$self->update_buttons;
1568	Coro::cede;	2137	cf::cede_to_tick;
1569	$self->set_darkness_map;
1570	Coro::cede;
1571	$self->activate;	2138	$self->activate;
1572	}	2139	}
1573		2140
		2141	$self->{last_save} = $cf::RUNTIME;
		2142	$self->last_access ($cf::RUNTIME);
		2143
1574	$self->in_memory (cf::MAP_IN_MEMORY);	2144	$self->in_memory (cf::MAP_ACTIVE);
1575	}	2145	}
1576		2146
1577	$self->post_load;	2147	$self->post_load;
1578	}	2148	}
1579		2149
		2150	# customize the map for a given player, i.e.
		2151	# return the _real_ map. used by e.g. per-player
		2152	# maps to change the path to ~playername/mappath
1580	sub customise_for {	2153	sub customise_for {
1581	my ($self, $ob) = @_;	2154	my ($self, $ob) = @_;
1582		2155
1583	return find "~" . $ob->name . "/" . $self->{path}	2156	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	2157	if $self->per_player;
1585		2158
		2159	# return find "?party/" . $ob->name . "/" . $self->{path}
		2160	# if $self->per_party;
		2161
1586	$self	2162	$self
1587	}	2163	}
1588		2164
1589	# find and load all maps in the 3x3 area around a map	2165	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	2166	sub load_neighbours {
1591	my ($map) = @_;	2167	my ($map) = @_;
1592		2168
1593	my @diag; # diagonal neighbours	2169	my @neigh; # diagonal neighbours
1594		2170
1595	for (0 .. 3) {	2171	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)	2172	my $neigh = $map->tile_path ($_)
1597	or next;	2173	or next;
1598	$neigh = find $neigh, $map	2174	$neigh = find $neigh, $map
1599	or next;	2175	or next;
1600	$neigh->load;	2176	$neigh->load;
1601		2177
		2178	# now find the diagonal neighbours
		2179	push @neigh,
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2180	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2181	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}	2182	}
1605		2183
1606	for (@diag) {	2184	for (grep defined $_->[0], @neigh) {
		2185	my ($path, $origin) = @$_;
1607	my $neigh = find @$_	2186	my $neigh = find $path, $origin
1608	or next;	2187	or next;
1609	$neigh->load;	2188	$neigh->load;
1610	}	2189	}
1611	}	2190	}
1612		2191
…		…
1617	}	2196	}
1618		2197
1619	sub do_load_sync {	2198	sub do_load_sync {
1620	my ($map) = @_;	2199	my ($map) = @_;
1621		2200
		2201	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2202	if $Coro::current == $Coro::main;
		2203
1622	cf::sync_job { $map->load };	2204	cf::sync_job { $map->load };
1623	}	2205	}
1624		2206
1625	our %MAP_PREFETCH;	2207	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2208	our $MAP_PREFETCHER = undef;
1627		2209
1628	sub find_async {	2210	sub find_async {
1629	my ($path, $origin) = @_;	2211	my ($path, $origin, $load) = @_;
1630		2212
1631	$path = normalise $path, $origin && $origin->{path};	2213	$path = normalise $path, $origin && $origin->{path};
1632		2214
1633	if (my $map = $cf::MAP{$path}) {	2215	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2216	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1635	}	2217	}
1636		2218
1637	undef $MAP_PREFETCH{$path};	2219	$MAP_PREFETCH{$path} |= $load;
		2220
1638	$MAP_PREFETCHER ||= cf::async {	2221	$MAP_PREFETCHER ||= cf::async {
		2222	$Coro::current->{desc} = "map prefetcher";
		2223
1639	while (%MAP_PREFETCH) {	2224	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2225	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2226	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2227	$map->load if $v;
		2228	}
1644		2229
1645	delete $MAP_PREFETCH{$path};	2230	delete $MAP_PREFETCH{$k};
1646	}	2231	}
1647	}	2232	}
1648	undef $MAP_PREFETCHER;	2233	undef $MAP_PREFETCHER;
1649	};	2234	};
1650	$MAP_PREFETCHER->prio (6);	2235	$MAP_PREFETCHER->prio (6);
1651		2236
1652	()	2237	()
1653	}	2238	}
1654		2239
		2240	# common code, used by both ->save and ->swapout
1655	sub save {	2241	sub _save {
1656	my ($self) = @_;	2242	my ($self) = @_;
1657
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;
1659		2243
1660	$self->{last_save} = $cf::RUNTIME;	2244	$self->{last_save} = $cf::RUNTIME;
1661		2245
1662	return unless $self->dirty;	2246	return unless $self->dirty;
1663		2247
…		…
1669	return if $self->{deny_save};	2253	return if $self->{deny_save};
1670		2254
1671	local $self->{last_access} = $self->last_access;#d#	2255	local $self->{last_access} = $self->last_access;#d#
1672		2256
1673	cf::async {	2257	cf::async {
		2258	$Coro::current->{desc} = "map player save";
1674	$_->contr->save for $self->players;	2259	$_->contr->save for $self->players;
1675	};	2260	};
		2261
		2262	cf::get_slot 0.02;
1676		2263
1677	if ($uniq) {	2264	if ($uniq) {
1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2265	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2266	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1680	} else {	2267	} else {
1681	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2268	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1682	}	2269	}
1683	}	2270	}
1684		2271
		2272	sub save {
		2273	my ($self) = @_;
		2274
		2275	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2276
		2277	$self->_save;
		2278	}
		2279
1685	sub swap_out {	2280	sub swap_out {
1686	my ($self) = @_;	2281	my ($self) = @_;
1687		2282
1688	# save first because save cedes
1689	$self->save;
1690
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2283	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2284
		2285	return if $self->in_memory != cf::MAP_ACTIVE;
		2286	return if $self->{deny_save};
1693	return if $self->players;	2287	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;
1695	return if $self->{deny_save};
1696		2288
		2289	# first deactivate the map and "unlink" it from the core
		2290	$self->deactivate;
		2291	$_->clear_links_to ($self) for values %cf::MAP;
		2292	$self->in_memory (cf::MAP_SWAPPED);
		2293
		2294	# then atomically save
		2295	$self->_save;
		2296
		2297	# then free the map
1697	$self->clear;	2298	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2299	}
1700		2300
1701	sub reset_at {	2301	sub reset_at {
1702	my ($self) = @_;	2302	my ($self) = @_;
1703		2303
1704	# TODO: safety, remove and allow resettable per-player maps	2304	# TODO: safety, remove and allow resettable per-player maps
1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1706	return 1e99 if $self->{deny_reset};	2305	return 1e99 if $self->{deny_reset};
1707		2306
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2307	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2308	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2309
…		…
1721	my ($self) = @_;	2320	my ($self) = @_;
1722		2321
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2323
1725	return if $self->players;	2324	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2325
1728	warn "resetting map ", $self->path;#d#	2326	cf::trace "resetting map ", $self->path, "\n";
1729		2327
1730	$self->in_memory (cf::MAP_SWAPPED);	2328	$self->in_memory (cf::MAP_SWAPPED);
1731		2329
1732	# need to save uniques path	2330	# need to save uniques path
1733	unless ($self->{deny_save}) {	2331	unless ($self->{deny_save}) {
…		…
1737	if $uniq;	2335	if $uniq;
1738	}	2336	}
1739		2337
1740	delete $cf::MAP{$self->path};	2338	delete $cf::MAP{$self->path};
1741		2339
		2340	$self->deactivate;
		2341	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2342	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2343
1746	$self->unlink_save;	2344	$self->unlink_save;
1747	$self->destroy;	2345	$self->destroy;
1748	}	2346	}
1749		2347
1750	my $nuke_counter = "aaaa";	2348	my $nuke_counter = "aaaa";
1751		2349
1752	sub nuke {	2350	sub nuke {
1753	my ($self) = @_;	2351	my ($self) = @_;
1754		2352
		2353	{
		2354	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2355
1755	delete $cf::MAP{$self->path};	2356	delete $cf::MAP{$self->path};
1756		2357
1757	$self->unlink_save;	2358	$self->unlink_save;
1758		2359
1759	bless $self, "cf::map";	2360	bless $self, "cf::map::wrap";
1760	delete $self->{deny_reset};	2361	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2362	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2363	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2364	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2365
1765	$cf::MAP{$self->path} = $self;	2366	$cf::MAP{$self->path} = $self;
		2367	}
1766		2368
1767	$self->reset; # polite request, might not happen	2369	$self->reset; # polite request, might not happen
		2370	}
		2371
		2372	=item $maps = cf::map::tmp_maps
		2373
		2374	Returns an arrayref with all map paths of currently instantiated and saved
		2375	maps. May block.
		2376
		2377	=cut
		2378
		2379	sub tmp_maps() {
		2380	[
		2381	map {
		2382	utf8::decode $_;
		2383	/\.map$/
		2384	? normalise $_
		2385	: ()
		2386	} @{ aio_readdir $TMPDIR or [] }
		2387	]
		2388	}
		2389
		2390	=item $maps = cf::map::random_maps
		2391
		2392	Returns an arrayref with all map paths of currently instantiated and saved
		2393	random maps. May block.
		2394
		2395	=cut
		2396
		2397	sub random_maps() {
		2398	[
		2399	map {
		2400	utf8::decode $_;
		2401	/\.map$/
		2402	? normalise "?random/$_"
		2403	: ()
		2404	} @{ aio_readdir $RANDOMDIR or [] }
		2405	]
1768	}	2406	}
1769		2407
1770	=item cf::map::unique_maps	2408	=item cf::map::unique_maps
1771		2409
1772	Returns an arrayref of paths of all shared maps that have	2410	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2411	instantiated unique items. May block.
1774		2412
1775	=cut	2413	=cut
1776		2414
1777	sub unique_maps() {	2415	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2416	[
1779	or return;	2417	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2418	utf8::decode $_;
1785	next if /\.pst$/;	2419	s/\.map$//; # TODO future compatibility hack
1786	next unless /^$PATH_SEP/o;	2420	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787		2421	? ()
1788	push @paths, cf::map::normalise $_;	2422	: normalise $_
		2423	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2424	]
1790
1791	\@paths
1792	}	2425	}
1793		2426
1794	package cf;	2427	=item cf::map::static_maps
		2428
		2429	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2430	file in the shared directory excluding F</styles> and F</editor>). May
		2431	block.
		2432
		2433	=cut
		2434
		2435	sub static_maps() {
		2436	my @dirs = "";
		2437	my @maps;
		2438
		2439	while (@dirs) {
		2440	my $dir = shift @dirs;
		2441
		2442	next if $dir eq "/styles" || $dir eq "/editor";
		2443
		2444	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2445	or return;
		2446
		2447	for (@$files) {
		2448	s/\.map$// or next;
		2449	utf8::decode $_;
		2450	push @maps, "$dir/$_";
		2451	}
		2452
		2453	push @dirs, map "$dir/$_", @$dirs;
		2454	}
		2455
		2456	\@maps
		2457	}
1795		2458
1796	=back	2459	=back
1797		2460
1798	=head3 cf::object	2461	=head3 cf::object
1799		2462
…		…
1803		2466
1804	=over 4	2467	=over 4
1805		2468
1806	=item $ob->inv_recursive	2469	=item $ob->inv_recursive
1807		2470
1808	Returns the inventory of the object _and_ their inventories, recursively.	2471	Returns the inventory of the object I<and> their inventories, recursively,
		2472	but I<not> the object itself.
1809		2473
1810	=cut	2474	=cut
1811		2475
1812	sub inv_recursive_;	2476	sub inv_recursive_;
1813	sub inv_recursive_ {	2477	sub inv_recursive_ {
…		…
1816		2480
1817	sub inv_recursive {	2481	sub inv_recursive {
1818	inv_recursive_ inv $_[0]	2482	inv_recursive_ inv $_[0]
1819	}	2483	}
1820		2484
		2485	=item $ref = $ob->ref
		2486
		2487	Creates and returns a persistent reference to an object that can be stored as a string.
		2488
		2489	=item $ob = cf::object::deref ($refstring)
		2490
		2491	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2492	even if the object actually exists. May block.
		2493
		2494	=cut
		2495
		2496	sub deref {
		2497	my ($ref) = @_;
		2498
		2499	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2500	my ($uuid, $name) = ($1, $2);
		2501	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2502	or return;
		2503	$pl->ob->uuid eq $uuid
		2504	or return;
		2505
		2506	$pl->ob
		2507	} else {
		2508	warn "$ref: cannot resolve object reference\n";
		2509	undef
		2510	}
		2511	}
		2512
1821	package cf;	2513	package cf;
1822		2514
1823	=back	2515	=back
1824		2516
1825	=head3 cf::object::player	2517	=head3 cf::object::player
…		…
1831	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2523	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1832	can be C<undef>. Does the right thing when the player is currently in a	2524	can be C<undef>. Does the right thing when the player is currently in a
1833	dialogue with the given NPC character.	2525	dialogue with the given NPC character.
1834		2526
1835	=cut	2527	=cut
		2528
		2529	our $SAY_CHANNEL = {
		2530	id => "say",
		2531	title => "Map",
		2532	reply => "say ",
		2533	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2534	};
		2535
		2536	our $CHAT_CHANNEL = {
		2537	id => "chat",
		2538	title => "Chat",
		2539	reply => "chat ",
		2540	tooltip => "Player chat and shouts, global to the server.",
		2541	};
1836		2542
1837	# rough implementation of a future "reply" method that works	2543	# rough implementation of a future "reply" method that works
1838	# with dialog boxes.	2544	# with dialog boxes.
1839	#TODO: the first argument must go, split into a $npc->reply_to ( method	2545	#TODO: the first argument must go, split into a $npc->reply_to ( method
1840	sub cf::object::player::reply($$$;$) {	2546	sub cf::object::player::reply($$$;$) {
…		…
1842		2548
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2549	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2550
1845	if ($self->{record_replies}) {	2551	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2552	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2553
1847	} else {	2554	} else {
		2555	my $pl = $self->contr;
		2556
		2557	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2558	my $dialog = $pl->{npc_dialog};
		2559	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2560
		2561	} else {
1848	$msg = $npc->name . " says: $msg" if $npc;	2562	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2563	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2564	}
1850	}	2565	}
		2566	}
		2567
		2568	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2569
		2570	=cut
		2571
		2572	sub cf::object::send_msg {
		2573	my $pl = shift->contr
		2574	or return;
		2575	$pl->send_msg (@_);
1851	}	2576	}
1852		2577
1853	=item $player_object->may ("access")	2578	=item $player_object->may ("access")
1854		2579
1855	Returns wether the given player is authorized to access resource "access"	2580	Returns wether the given player is authorized to access resource "access"
…		…
1868		2593
1869	=item $player_object->enter_link	2594	=item $player_object->enter_link
1870		2595
1871	Freezes the player and moves him/her to a special map (C<{link}>).	2596	Freezes the player and moves him/her to a special map (C<{link}>).
1872		2597
1873	The player should be reasonably safe there for short amounts of time. You	2598	The player should be reasonably safe there for short amounts of time (e.g.
1874	I<MUST> call C<leave_link> as soon as possible, though.	2599	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2600	though, as the player cannot control the character while it is on the link
		2601	map.
1875		2602
1876	Will never block.	2603	Will never block.
1877		2604
1878	=item $player_object->leave_link ($map, $x, $y)	2605	=item $player_object->leave_link ($map, $x, $y)
1879		2606
…		…
1899	sub cf::object::player::enter_link {	2626	sub cf::object::player::enter_link {
1900	my ($self) = @_;	2627	my ($self) = @_;
1901		2628
1902	$self->deactivate_recursive;	2629	$self->deactivate_recursive;
1903		2630
		2631	++$self->{_link_recursion};
		2632
1904	return if UNIVERSAL::isa $self->map, "ext::map_link";	2633	return if UNIVERSAL::isa $self->map, "ext::map_link";
1905		2634
1906	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2635	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1907	if $self->map && $self->map->{path} ne "{link}";	2636	if $self->map && $self->map->{path} ne "{link}";
1908		2637
1909	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2638	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1910	}	2639	}
1911		2640
1912	sub cf::object::player::leave_link {	2641	sub cf::object::player::leave_link {
1913	my ($self, $map, $x, $y) = @_;	2642	my ($self, $map, $x, $y) = @_;
1914		2643
…		…
1931	($x, $y) = (-1, -1)	2660	($x, $y) = (-1, -1)
1932	unless (defined $x) && (defined $y);	2661	unless (defined $x) && (defined $y);
1933		2662
1934	# use -1 or undef as default coordinates, not 0, 0	2663	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2664	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2665	if $x <= 0 && $y <= 0;
1937		2666
1938	$map->load;	2667	$map->load;
1939	$map->load_diag;	2668	$map->load_neighbours;
1940		2669
1941	return unless $self->contr->active;	2670	return unless $self->contr->active;
1942	$self->activate_recursive;
1943		2671
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2672	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2673	if ($self->enter_map ($map, $x, $y)) {
1946	}	2674	# entering was successful
		2675	delete $self->{_link_recursion};
		2676	# only activate afterwards, to support waiting in hooks
		2677	$self->activate_recursive;
		2678	}
1947		2679
		2680	}
		2681
1948	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2682	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1949		2683
1950	Moves the player to the given map-path and coordinates by first freezing	2684	Moves the player to the given map-path and coordinates by first freezing
1951	her, loading and preparing them map, calling the provided $check callback	2685	her, loading and preparing them map, calling the provided $check callback
1952	that has to return the map if sucecssful, and then unfreezes the player on	2686	that has to return the map if sucecssful, and then unfreezes the player on
1953	the new (success) or old (failed) map position.	2687	the new (success) or old (failed) map position. In either case, $done will
		2688	be called at the end of this process.
		2689
		2690	Note that $check will be called with a potentially non-loaded map, so if
		2691	it needs a loaded map it has to call C<< ->load >>.
1954		2692
1955	=cut	2693	=cut
1956		2694
1957	our $GOTOGEN;	2695	our $GOTOGEN;
1958		2696
1959	sub cf::object::player::goto {	2697	sub cf::object::player::goto {
1960	my ($self, $path, $x, $y, $check) = @_;	2698	my ($self, $path, $x, $y, $check, $done) = @_;
		2699
		2700	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2701	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2702	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2703	($path, $x, $y) = @$EMERGENCY_POSITION;
		2704	}
1961		2705
1962	# do generation counting so two concurrent goto's will be executed in-order	2706	# do generation counting so two concurrent goto's will be executed in-order
1963	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2707	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1964		2708
1965	$self->enter_link;	2709	$self->enter_link;
1966		2710
1967	(async {	2711	(async {
		2712	$Coro::current->{desc} = "player::goto $path $x $y";
		2713
		2714	# *tag paths override both path and x|y
		2715	if ($path =~ /^\*(.*)$/) {
		2716	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2717	my $ob = $obs[rand @obs];
		2718
		2719	# see if we actually can go there
		2720	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2721	$ob = $obs[rand @obs];
		2722	} else {
		2723	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2724	}
		2725	# else put us there anyways for now #d#
		2726
		2727	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2728	} else {
		2729	($path, $x, $y) = (undef, undef, undef);
		2730	}
		2731	}
		2732
1968	my $map = eval {	2733	my $map = eval {
1969	my $map = cf::map::find $path;	2734	my $map = defined $path ? cf::map::find $path : undef;
1970		2735
1971	if ($map) {	2736	if ($map) {
1972	$map = $map->customise_for ($self);	2737	$map = $map->customise_for ($self);
1973	$map = $check->($map) if $check && $map;	2738	$map = $check->($map, $x, $y, $self) if $check && $map;
1974	} else {	2739	} else {
1975	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2740	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1976	}	2741	}
1977		2742
1978	$map	2743	$map
1979	};	2744	};
1980		2745
…		…
1985		2750
1986	if ($gen == $self->{_goto_generation}) {	2751	if ($gen == $self->{_goto_generation}) {
1987	delete $self->{_goto_generation};	2752	delete $self->{_goto_generation};
1988	$self->leave_link ($map, $x, $y);	2753	$self->leave_link ($map, $x, $y);
1989	}	2754	}
		2755
		2756	$done->($self) if $done;
1990	})->prio (1);	2757	})->prio (1);
1991	}	2758	}
1992		2759
1993	=item $player_object->enter_exit ($exit_object)	2760	=item $player_object->enter_exit ($exit_object)
1994		2761
…		…
2014	}	2781	}
2015		2782
2016	sub prepare_random_map {	2783	sub prepare_random_map {
2017	my ($exit) = @_;	2784	my ($exit) = @_;
2018		2785
2019	my $guard = cf::lock_acquire "exit_prepare:$exit";
2020
2021	# all this does is basically replace the /! path by	2786	# all this does is basically replace the /! path by
2022	# a new random map path (?random/...) with a seed	2787	# a new random map path (?random/...) with a seed
2023	# that depends on the exit object	2788	# that depends on the exit object
2024		2789
2025	my $rmp = parse_random_map_params $exit->msg;	2790	my $rmp = parse_random_map_params $exit->msg;
…		…
2027	if ($exit->map) {	2792	if ($exit->map) {
2028	$rmp->{region} = $exit->region->name;	2793	$rmp->{region} = $exit->region->name;
2029	$rmp->{origin_map} = $exit->map->path;	2794	$rmp->{origin_map} = $exit->map->path;
2030	$rmp->{origin_x} = $exit->x;	2795	$rmp->{origin_x} = $exit->x;
2031	$rmp->{origin_y} = $exit->y;	2796	$rmp->{origin_y} = $exit->y;
		2797
		2798	$exit->map->touch;
2032	}	2799	}
2033		2800
2034	$rmp->{random_seed} ||= $exit->random_seed;	2801	$rmp->{random_seed} ||= $exit->random_seed;
2035		2802
2036	my $data = cf::to_json $rmp;	2803	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2037	my $md5 = Digest::MD5::md5_hex $data;	2804	my $md5 = Digest::MD5::md5_hex $data;
2038	my $meta = "$RANDOMDIR/$md5.meta";	2805	my $meta = "$RANDOMDIR/$md5.meta";
2039		2806
2040	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2807	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2041	aio_write $fh, 0, (length $data), $data, 0;	2808	aio_write $fh, 0, (length $data), $data, 0;
2042	undef $fh;	2809	undef $fh;
2043	aio_rename "$meta~", $meta;	2810	aio_rename "$meta~", $meta;
2044		2811
		2812	my $slaying = "?random/$md5";
		2813
		2814	if ($exit->valid) {
2045	$exit->slaying ("?random/$md5");	2815	$exit->slaying ("?random/$md5");
2046	$exit->msg (undef);	2816	$exit->msg (undef);
		2817	}
2047	}	2818	}
2048	}	2819	}
2049		2820
2050	sub cf::object::player::enter_exit {	2821	sub cf::object::player::enter_exit {
2051	my ($self, $exit) = @_;	2822	my ($self, $exit) = @_;
2052		2823
2053	return unless $self->type == cf::PLAYER;	2824	return unless $self->type == cf::PLAYER;
2054		2825
2055	if ($exit->slaying eq "/!") {
2056	#TODO: this should de-fi-ni-te-ly not be a sync-job
2057	# the problem is that $exit might not survive long enough
2058	# so it needs to be done right now, right here
2059	cf::sync_job { prepare_random_map $exit };
2060	}
2061
2062	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2063	my $hp = $exit->stats->hp;
2064	my $sp = $exit->stats->sp;
2065
2066	$self->enter_link;	2826	$self->enter_link;
2067		2827
2068	(async {	2828	(async {
2069	$self->deactivate_recursive; # just to be sure	2829	$Coro::current->{desc} = "enter_exit";
		2830
2070	unless (eval {	2831	unless (eval {
		2832	$self->deactivate_recursive; # just to be sure
		2833
		2834	# random map handling
		2835	{
		2836	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2837
		2838	prepare_random_map $exit
		2839	if $exit->slaying eq "/!";
		2840	}
		2841
		2842	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2843	my $x = $exit->stats->hp;
		2844	my $y = $exit->stats->sp;
		2845
2071	$self->goto ($slaying, $hp, $sp);	2846	$self->goto ($map, $x, $y);
2072		2847
		2848	# if exit is damned, update players death & WoR home-position
		2849	$self->contr->savebed ($map, $x, $y)
		2850	if $exit->flag (cf::FLAG_DAMNED);
		2851
2073	1;	2852	1
2074	}) {	2853	}) {
2075	$self->message ("Something went wrong deep within the crossfire server. "	2854	$self->message ("Something went wrong deep within the deliantra server. "
2076	. "I'll try to bring you back to the map you were before. "	2855	. "I'll try to bring you back to the map you were before. "
2077	. "Please report this to the dungeon master!",	2856	. "Please report this to the dungeon master!",
2078	cf::NDI_UNIQUE | cf::NDI_RED);	2857	cf::NDI_UNIQUE | cf::NDI_RED);
2079		2858
2080	warn "ERROR in enter_exit: $@";	2859	error "ERROR in enter_exit: $@";
2081	$self->leave_link;	2860	$self->leave_link;
2082	}	2861	}
2083	})->prio (1);	2862	})->prio (1);
2084	}	2863	}
2085		2864
…		…
2099		2878
2100	utf8::encode $text;	2879	utf8::encode $text;
2101	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2880	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2102	}	2881	}
2103		2882
		2883	=item $client->send_big_packet ($pkt)
		2884
		2885	Like C<send_packet>, but tries to compress large packets, and fragments
		2886	them as required.
		2887
		2888	=cut
		2889
		2890	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2891
		2892	sub cf::client::send_big_packet {
		2893	my ($self, $pkt) = @_;
		2894
		2895	# try lzf for large packets
		2896	$pkt = "lzf " . Compress::LZF::compress $pkt
		2897	if 1024 <= length $pkt and $self->{can_lzf};
		2898
		2899	# split very large packets
		2900	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2901	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2902	$pkt = "frag";
		2903	}
		2904
		2905	$self->send_packet ($pkt);
		2906	}
		2907
		2908	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2909
		2910	Send a drawinfo or msg packet to the client, formatting the msg for the
		2911	client if neccessary. C<$type> should be a string identifying the type of
		2912	the message, with C<log> being the default. If C<$color> is negative, suppress
		2913	the message unless the client supports the msg packet.
		2914
		2915	=cut
		2916
		2917	# non-persistent channels (usually the info channel)
		2918	our %CHANNEL = (
		2919	"c/motd" => {
		2920	id => "infobox",
		2921	title => "MOTD",
		2922	reply => undef,
		2923	tooltip => "The message of the day",
		2924	},
		2925	"c/identify" => {
		2926	id => "infobox",
		2927	title => "Identify",
		2928	reply => undef,
		2929	tooltip => "Items recently identified",
		2930	},
		2931	"c/examine" => {
		2932	id => "infobox",
		2933	title => "Examine",
		2934	reply => undef,
		2935	tooltip => "Signs and other items you examined",
		2936	},
		2937	"c/shopinfo" => {
		2938	id => "infobox",
		2939	title => "Shop Info",
		2940	reply => undef,
		2941	tooltip => "What your bargaining skill tells you about the shop",
		2942	},
		2943	"c/book" => {
		2944	id => "infobox",
		2945	title => "Book",
		2946	reply => undef,
		2947	tooltip => "The contents of a note or book",
		2948	},
		2949	"c/lookat" => {
		2950	id => "infobox",
		2951	title => "Look",
		2952	reply => undef,
		2953	tooltip => "What you saw there",
		2954	},
		2955	"c/who" => {
		2956	id => "infobox",
		2957	title => "Players",
		2958	reply => undef,
		2959	tooltip => "Shows players who are currently online",
		2960	},
		2961	"c/body" => {
		2962	id => "infobox",
		2963	title => "Body Parts",
		2964	reply => undef,
		2965	tooltip => "Shows which body parts you posess and are available",
		2966	},
		2967	"c/statistics" => {
		2968	id => "infobox",
		2969	title => "Statistics",
		2970	reply => undef,
		2971	tooltip => "Shows your primary statistics",
		2972	},
		2973	"c/skills" => {
		2974	id => "infobox",
		2975	title => "Skills",
		2976	reply => undef,
		2977	tooltip => "Shows your experience per skill and item power",
		2978	},
		2979	"c/shopitems" => {
		2980	id => "infobox",
		2981	title => "Shop Items",
		2982	reply => undef,
		2983	tooltip => "Shows the items currently for sale in this shop",
		2984	},
		2985	"c/resistances" => {
		2986	id => "infobox",
		2987	title => "Resistances",
		2988	reply => undef,
		2989	tooltip => "Shows your resistances",
		2990	},
		2991	"c/pets" => {
		2992	id => "infobox",
		2993	title => "Pets",
		2994	reply => undef,
		2995	tooltip => "Shows information abotu your pets/a specific pet",
		2996	},
		2997	"c/perceiveself" => {
		2998	id => "infobox",
		2999	title => "Perceive Self",
		3000	reply => undef,
		3001	tooltip => "You gained detailed knowledge about yourself",
		3002	},
		3003	"c/uptime" => {
		3004	id => "infobox",
		3005	title => "Uptime",
		3006	reply => undef,
		3007	tooltip => "How long the server has been running since last restart",
		3008	},
		3009	"c/mapinfo" => {
		3010	id => "infobox",
		3011	title => "Map Info",
		3012	reply => undef,
		3013	tooltip => "Information related to the maps",
		3014	},
		3015	"c/party" => {
		3016	id => "party",
		3017	title => "Party",
		3018	reply => "gsay ",
		3019	tooltip => "Messages and chat related to your party",
		3020	},
		3021	"c/death" => {
		3022	id => "death",
		3023	title => "Death",
		3024	reply => undef,
		3025	tooltip => "Reason for and more info about your most recent death",
		3026	},
		3027	"c/say" => $SAY_CHANNEL,
		3028	"c/chat" => $CHAT_CHANNEL,
		3029	);
		3030
		3031	sub cf::client::send_msg {
		3032	my ($self, $channel, $msg, $color, @extra) = @_;
		3033
		3034	$msg = $self->pl->expand_cfpod ($msg)
		3035	unless $color & cf::NDI_VERBATIM;
		3036
		3037	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3038
		3039	# check predefined channels, for the benefit of C
		3040	if ($CHANNEL{$channel}) {
		3041	$channel = $CHANNEL{$channel};
		3042
		3043	$self->ext_msg (channel_info => $channel);
		3044	$channel = $channel->{id};
		3045
		3046	} elsif (ref $channel) {
		3047	# send meta info to client, if not yet sent
		3048	unless (exists $self->{channel}{$channel->{id}}) {
		3049	$self->{channel}{$channel->{id}} = $channel;
		3050	$self->ext_msg (channel_info => $channel);
		3051	}
		3052
		3053	$channel = $channel->{id};
		3054	}
		3055
		3056	return unless @extra || length $msg;
		3057
		3058	# default colour, mask it out
		3059	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3060	if $color & cf::NDI_DEF;
		3061
		3062	my $pkt = "msg "
		3063	. $self->{json_coder}->encode (
		3064	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3065	);
		3066
		3067	$self->send_big_packet ($pkt);
		3068	}
		3069
2104	=item $client->ext_event ($type, %msg)	3070	=item $client->ext_msg ($type, @msg)
2105		3071
2106	Sends an exti event to the client.	3072	Sends an ext event to the client.
2107		3073
2108	=cut	3074	=cut
2109		3075
2110	sub cf::client::ext_event($$%) {	3076	sub cf::client::ext_msg($$@) {
2111	my ($self, $type, %msg) = @_;	3077	my ($self, $type, @msg) = @_;
2112		3078
		3079	if ($self->extcmd == 2) {
		3080	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3081	} elsif ($self->extcmd == 1) { # TODO: remove
2113	$msg{msgtype} = "event_$type";	3082	push @msg, msgtype => "event_$type";
2114	$self->send_packet ("ext " . cf::to_json \%msg);	3083	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3084	}
		3085	}
		3086
		3087	=item $client->ext_reply ($msgid, @msg)
		3088
		3089	Sends an ext reply to the client.
		3090
		3091	=cut
		3092
		3093	sub cf::client::ext_reply($$@) {
		3094	my ($self, $id, @msg) = @_;
		3095
		3096	if ($self->extcmd == 2) {
		3097	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3098	} elsif ($self->extcmd == 1) {
		3099	#TODO: version 1, remove
		3100	unshift @msg, msgtype => "reply", msgid => $id;
		3101	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3102	}
2115	}	3103	}
2116		3104
2117	=item $success = $client->query ($flags, "text", \&cb)	3105	=item $success = $client->query ($flags, "text", \&cb)
2118		3106
2119	Queues a query to the client, calling the given callback with	3107	Queues a query to the client, calling the given callback with
2120	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3108	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2121	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3109	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2122		3110
2123	Queries can fail, so check the return code. Or don't, as queries will become	3111	Queries can fail, so check the return code. Or don't, as queries will
2124	reliable at some point in the future.	3112	become reliable at some point in the future.
2125		3113
2126	=cut	3114	=cut
2127		3115
2128	sub cf::client::query {	3116	sub cf::client::query {
2129	my ($self, $flags, $text, $cb) = @_;	3117	my ($self, $flags, $text, $cb) = @_;
…		…
2137	utf8::encode $text;	3125	utf8::encode $text;
2138	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3126	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139		3127
2140	$self->send_packet ($self->{query_queue}[0][0])	3128	$self->send_packet ($self->{query_queue}[0][0])
2141	if @{ $self->{query_queue} } == 1;	3129	if @{ $self->{query_queue} } == 1;
		3130
		3131	1
2142	}	3132	}
2143		3133
2144	cf::client->attach (	3134	cf::client->attach (
		3135	on_connect => sub {
		3136	my ($ns) = @_;
		3137
		3138	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3139	},
2145	on_reply => sub {	3140	on_reply => sub {
2146	my ($ns, $msg) = @_;	3141	my ($ns, $msg) = @_;
2147		3142
2148	# this weird shuffling is so that direct followup queries	3143	# this weird shuffling is so that direct followup queries
2149	# get handled first	3144	# get handled first
…		…
2161	} else {	3156	} else {
2162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3157	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163	}	3158	}
2164	}	3159	}
2165	},	3160	},
		3161	on_exticmd => sub {
		3162	my ($ns, $buf) = @_;
		3163
		3164	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3165
		3166	if (ref $msg) {
		3167	my ($type, $reply, @payload) =
		3168	"ARRAY" eq ref $msg
		3169	? @$msg
		3170	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3171
		3172	my @reply;
		3173
		3174	if (my $cb = $EXTICMD{$type}) {
		3175	@reply = $cb->($ns, @payload);
		3176	}
		3177
		3178	$ns->ext_reply ($reply, @reply)
		3179	if $reply;
		3180
		3181	} else {
		3182	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3183	}
		3184
		3185	cf::override;
		3186	},
2166	);	3187	);
2167		3188
2168	=item $client->async (\&cb)	3189	=item $client->async (\&cb)
2169		3190
2170	Create a new coroutine, running the specified callback. The coroutine will	3191	Create a new coroutine, running the specified callback. The coroutine will
…		…
2186		3207
2187	$coro	3208	$coro
2188	}	3209	}
2189		3210
2190	cf::client->attach (	3211	cf::client->attach (
2191	on_destroy => sub {	3212	on_client_destroy => sub {
2192	my ($ns) = @_;	3213	my ($ns) = @_;
2193		3214
2194	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3215	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2195	},	3216	},
2196	);	3217	);
…		…
2211	our $safe = new Safe "safe";	3232	our $safe = new Safe "safe";
2212	our $safe_hole = new Safe::Hole;	3233	our $safe_hole = new Safe::Hole;
2213		3234
2214	$SIG{FPE} = 'IGNORE';	3235	$SIG{FPE} = 'IGNORE';
2215		3236
2216	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3237	$safe->permit_only (Opcode::opset qw(
		3238	:base_core :base_mem :base_orig :base_math :base_loop
		3239	grepstart grepwhile mapstart mapwhile
		3240	sort time
		3241	));
2217		3242
2218	# here we export the classes and methods available to script code	3243	# here we export the classes and methods available to script code
2219		3244
2220	=pod	3245	=pod
2221		3246
2222	The following functions and methods are available within a safe environment:	3247	The following functions and methods are available within a safe environment:
2223		3248
2224	cf::object contr pay_amount pay_player map	3249	cf::object
		3250	contr pay_amount pay_player map x y force_find force_add destroy
		3251	insert remove name archname title slaying race decrease split
		3252	value
		3253
2225	cf::object::player player	3254	cf::object::player
2226	cf::player peaceful	3255	player
2227	cf::map trigger	3256
		3257	cf::player
		3258	peaceful
		3259
		3260	cf::map
		3261	trigger
2228		3262
2229	=cut	3263	=cut
2230		3264
2231	for (	3265	for (
2232	["cf::object" => qw(contr pay_amount pay_player map)],	3266	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3267	insert remove inv nrof name archname title slaying race
		3268	decrease split destroy change_exp value msg lore send_msg)],
2233	["cf::object::player" => qw(player)],	3269	["cf::object::player" => qw(player)],
2234	["cf::player" => qw(peaceful)],	3270	["cf::player" => qw(peaceful send_msg)],
2235	["cf::map" => qw(trigger)],	3271	["cf::map" => qw(trigger)],
2236	) {	3272	) {
2237	no strict 'refs';	3273	no strict 'refs';
2238	my ($pkg, @funs) = @$_;	3274	my ($pkg, @funs) = @$_;
2239	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3275	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2257		3293
2258	my $qcode = $code;	3294	my $qcode = $code;
2259	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3295	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2260	$qcode =~ s/\n/\\n/g;	3296	$qcode =~ s/\n/\\n/g;
2261		3297
		3298	%vars = (_dummy => 0) unless %vars;
		3299
		3300	my @res;
2262	local $_;	3301	local $_;
2263	local @safe::cf::_safe_eval_args = values %vars;
2264		3302
2265	my $eval =	3303	my $eval =
2266	"do {\n"	3304	"do {\n"
2267	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3305	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2268	. "#line 0 \"{$qcode}\"\n"	3306	. "#line 0 \"{$qcode}\"\n"
2269	. $code	3307	. $code
2270	. "\n}"	3308	. "\n}"
2271	;	3309	;
2272		3310
		3311	if ($CFG{safe_eval}) {
2273	sub_generation_inc;	3312	sub_generation_inc;
		3313	local @safe::cf::_safe_eval_args = values %vars;
2274	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3314	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2275	sub_generation_inc;	3315	sub_generation_inc;
		3316	} else {
		3317	local @cf::_safe_eval_args = values %vars;
		3318	@res = wantarray ? eval eval : scalar eval $eval;
		3319	}
2276		3320
2277	if ($@) {	3321	if ($@) {
2278	warn "$@";	3322	warn "$@",
2279	warn "while executing safe code '$code'\n";	3323	"while executing safe code '$code'\n",
2280	warn "with arguments " . (join " ", %vars) . "\n";	3324	"with arguments " . (join " ", %vars) . "\n";
2281	}	3325	}
2282		3326
2283	wantarray ? @res : $res[0]	3327	wantarray ? @res : $res[0]
2284	}	3328	}
2285		3329
…		…
2299	=cut	3343	=cut
2300		3344
2301	sub register_script_function {	3345	sub register_script_function {
2302	my ($fun, $cb) = @_;	3346	my ($fun, $cb) = @_;
2303		3347
2304	no strict 'refs';	3348	$fun = "safe::$fun" if $CFG{safe_eval};
2305	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3349	*$fun = $safe_hole->wrap ($cb);
2306	}	3350	}
2307		3351
2308	=back	3352	=back
2309		3353
2310	=cut	3354	=cut
2311
2312	#############################################################################
2313
2314	=head2 EXTENSION DATABASE SUPPORT
2315
2316	Crossfire maintains a very simple database for extension use. It can
2317	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2318	convert to/from binary).
2319
2320	The parameter C<$family> should best start with the name of the extension
2321	using it, it should be unique.
2322
2323	=over 4
2324
2325	=item $value = cf::db_get $family => $key
2326
2327	Returns a single value from the database.
2328
2329	=item cf::db_put $family => $key => $value
2330
2331	Stores the given C<$value> in the family.
2332
2333	=cut
2334
2335	our $DB;
2336
2337	sub db_init {
2338	unless ($DB) {
2339	$DB = BDB::db_create $DB_ENV;
2340
2341	cf::sync_job {
2342	eval {
2343	$DB->set_flags (BDB::CHKSUM);
2344
2345	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2346	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2347	cf::cleanup "db_open(db): $!" if $!;
2348	};
2349	cf::cleanup "db_open(db): $@" if $@;
2350	};
2351	}
2352	}
2353
2354	sub db_get($$) {
2355	my $key = "$_[0]/$_[1]";
2356
2357	cf::sync_job {
2358	BDB::db_get $DB, undef, $key, my $data;
2359
2360	$! ? ()
2361	: $data
2362	}
2363	}
2364
2365	sub db_put($$$) {
2366	BDB::dbreq_pri 4;
2367	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2368	}
2369
2370	=item cf::cache $id => [$paths...], $processversion => $process
2371
2372	Generic caching function that returns the value of the resource $id,
2373	caching and regenerating as required.
2374
2375	This function can block.
2376
2377	=cut
2378
2379	sub cache {
2380	my ($id, $src, $processversion, $process) = @_;
2381
2382	my $meta =
2383	join "\x00",
2384	$processversion,
2385	map {
2386	aio_stat $_
2387	and Carp::croak "$_: $!";
2388
2389	($_, (stat _)[7,9])
2390	} @$src;
2391
2392	my $dbmeta = db_get cache => "$id/meta";
2393	if ($dbmeta ne $meta) {
2394	# changed, we may need to process
2395
2396	my @data;
2397	my $md5;
2398
2399	for (0 .. $#$src) {
2400	0 <= aio_load $src->[$_], $data[$_]
2401	or Carp::croak "$src->[$_]: $!";
2402	}
2403
2404	# if processing is expensive, check
2405	# checksum first
2406	if (1) {
2407	$md5 =
2408	join "\x00",
2409	$processversion,
2410	map {
2411	Coro::cede;
2412	($src->[$_], Digest::MD5::md5_hex $data[$_])
2413	} 0.. $#$src;
2414
2415
2416	my $dbmd5 = db_get cache => "$id/md5";
2417	if ($dbmd5 eq $md5) {
2418	db_put cache => "$id/meta", $meta;
2419
2420	return db_get cache => "$id/data";
2421	}
2422	}
2423
2424	my $t1 = Time::HiRes::time;
2425	my $data = $process->(\@data);
2426	my $t2 = Time::HiRes::time;
2427
2428	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2429
2430	db_put cache => "$id/data", $data;
2431	db_put cache => "$id/md5" , $md5;
2432	db_put cache => "$id/meta", $meta;
2433
2434	return $data;
2435	}
2436
2437	db_get cache => "$id/data"
2438	}
2439
2440	=item fork_call { }, $args
2441
2442	Executes the given code block with the given arguments in a seperate
2443	process, returning the results. Everything must be serialisable with
2444	Coro::Storable. May, of course, block. Note that the executed sub may
2445	never block itself or use any form of Event handling.
2446
2447	=cut
2448
2449	sub fork_call(&@) {
2450	my ($cb, @args) = @_;
2451
2452	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2453	# or die "socketpair: $!";
2454	pipe my $fh1, my $fh2
2455	or die "pipe: $!";
2456
2457	if (my $pid = fork) {
2458	close $fh2;
2459
2460	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2461	$res = Coro::Storable::thaw $res;
2462
2463	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2464
2465	die $$res unless "ARRAY" eq ref $res;
2466
2467	return wantarray ? @$res : $res->[-1];
2468	} else {
2469	reset_signals;
2470	local $SIG{__WARN__};
2471	local $SIG{__DIE__};
2472	eval {
2473	close $fh1;
2474
2475	my @res = eval { $cb->(@args) };
2476	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2477	};
2478
2479	warn $@ if $@;
2480	_exit 0;
2481	}
2482	}
2483		3355
2484	#############################################################################	3356	#############################################################################
2485	# the server's init and main functions	3357	# the server's init and main functions
2486		3358
2487	sub load_facedata($) {	3359	sub load_facedata($) {
2488	my ($path) = @_;	3360	my ($path) = @_;
2489		3361
		3362	# HACK to clear player env face cache, we need some signal framework
		3363	# for this (global event?)
		3364	%ext::player_env::MUSIC_FACE_CACHE = ();
		3365
		3366	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3367
2490	warn "loading facedata from $path\n";	3368	trace "loading facedata from $path\n";
2491		3369
2492	my $facedata;	3370	my $facedata;
2493	0 < aio_load $path, $facedata	3371	0 < aio_load $path, $facedata
2494	or die "$path: $!";	3372	or die "$path: $!";
2495		3373
2496	$facedata = Coro::Storable::thaw $facedata;	3374	$facedata = Coro::Storable::thaw $facedata;
2497		3375
2498	$facedata->{version} == 2	3376	$facedata->{version} == 2
2499	or cf::cleanup "$path: version mismatch, cannot proceed.";	3377	or cf::cleanup "$path: version mismatch, cannot proceed.";
2500		3378
		3379	# patch in the exptable
		3380	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3381	$facedata->{resource}{"res/exp_table"} = {
		3382	type => FT_RSRC,
		3383	data => $exp_table,
		3384	hash => (Digest::MD5::md5 $exp_table),
		3385	};
		3386	cf::cede_to_tick;
		3387
2501	{	3388	{
2502	my $faces = $facedata->{faceinfo};	3389	my $faces = $facedata->{faceinfo};
2503		3390
2504	while (my ($face, $info) = each %$faces) {	3391	while (my ($face, $info) = each %$faces) {
2505	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3392	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3393
2506	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3394	cf::face::set_visibility $idx, $info->{visibility};
		3395	cf::face::set_magicmap $idx, $info->{magicmap};
2507	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3396	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2508	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3397	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2509	Coro::cede;	3398
		3399	cf::cede_to_tick;
2510	}	3400	}
2511		3401
2512	while (my ($face, $info) = each %$faces) {	3402	while (my ($face, $info) = each %$faces) {
2513	next unless $info->{smooth};	3403	next unless $info->{smooth};
		3404
2514	my $idx = cf::face::find $face	3405	my $idx = cf::face::find $face
2515	or next;	3406	or next;
		3407
2516	if (my $smooth = cf::face::find $info->{smooth}) {	3408	if (my $smooth = cf::face::find $info->{smooth}) {
		3409	cf::face::set_smooth $idx, $smooth;
2517	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3410	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2518	} else {	3411	} else {
2519	warn "smooth face '$info->{smooth}' not found for face '$face'";	3412	error "smooth face '$info->{smooth}' not found for face '$face'";
2520	}	3413	}
2521	Coro::cede;	3414
		3415	cf::cede_to_tick;
2522	}	3416	}
2523	}	3417	}
2524		3418
2525	{	3419	{
2526	my $anims = $facedata->{animinfo};	3420	my $anims = $facedata->{animinfo};
2527		3421
2528	while (my ($anim, $info) = each %$anims) {	3422	while (my ($anim, $info) = each %$anims) {
2529	cf::anim::set $anim, $info->{frames}, $info->{facings};	3423	cf::anim::set $anim, $info->{frames}, $info->{facings};
2530	Coro::cede;	3424	cf::cede_to_tick;
2531	}	3425	}
2532		3426
2533	cf::anim::invalidate_all; # d'oh	3427	cf::anim::invalidate_all; # d'oh
2534	}	3428	}
2535		3429
		3430	{
		3431	my $res = $facedata->{resource};
		3432
		3433	while (my ($name, $info) = each %$res) {
		3434	if (defined $info->{type}) {
		3435	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3436
		3437	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3438	cf::face::set_type $idx, $info->{type};
		3439	} else {
		3440	$RESOURCE{$name} = $info; # unused
		3441	}
		3442
		3443	cf::cede_to_tick;
		3444	}
		3445	}
		3446
		3447	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3448
2536	1	3449	1
2537	}	3450	}
2538		3451
		3452	register_exticmd fx_want => sub {
		3453	my ($ns, $want) = @_;
		3454
		3455	while (my ($k, $v) = each %$want) {
		3456	$ns->fx_want ($k, $v);
		3457	}
		3458	};
		3459
		3460	sub load_resource_file($) {
		3461	my $guard = lock_acquire "load_resource_file";
		3462
		3463	my $status = load_resource_file_ $_[0];
		3464	get_slot 0.1, 100;
		3465	cf::arch::commit_load;
		3466
		3467	$status
		3468	}
		3469
2539	sub reload_regions {	3470	sub reload_regions {
		3471	# HACK to clear player env face cache, we need some signal framework
		3472	# for this (global event?)
		3473	%ext::player_env::MUSIC_FACE_CACHE = ();
		3474
2540	load_resource_file "$MAPDIR/regions"	3475	load_resource_file "$MAPDIR/regions"
2541	or die "unable to load regions file\n";	3476	or die "unable to load regions file\n";
		3477
		3478	for (cf::region::list) {
		3479	$_->{match} = qr/$_->{match}/
		3480	if exists $_->{match};
		3481	}
2542	}	3482	}
2543		3483
2544	sub reload_facedata {	3484	sub reload_facedata {
2545	load_facedata "$DATADIR/facedata"	3485	load_facedata "$DATADIR/facedata"
2546	or die "unable to load facedata\n";	3486	or die "unable to load facedata\n";
…		…
2554	sub reload_treasures {	3494	sub reload_treasures {
2555	load_resource_file "$DATADIR/treasures"	3495	load_resource_file "$DATADIR/treasures"
2556	or die "unable to load treasurelists\n";	3496	or die "unable to load treasurelists\n";
2557	}	3497	}
2558		3498
		3499	sub reload_sound {
		3500	trace "loading sound config from $DATADIR/sound\n";
		3501
		3502	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3503	or die "$DATADIR/sound $!";
		3504
		3505	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3506
		3507	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3508	my $sound = $soundconf->{compat}[$_]
		3509	or next;
		3510
		3511	my $face = cf::face::find "sound/$sound->[1]";
		3512	cf::sound::set $sound->[0] => $face;
		3513	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3514	}
		3515
		3516	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3517	my $face = cf::face::find "sound/$v";
		3518	cf::sound::set $k => $face;
		3519	}
		3520	}
		3521
2559	sub reload_resources {	3522	sub reload_resources {
2560	warn "reloading resource files...\n";	3523	trace "reloading resource files...\n";
2561		3524
		3525	reload_facedata;
		3526	reload_sound;
		3527	reload_archetypes;
2562	reload_regions;	3528	reload_regions;
2563	reload_facedata;
2564	reload_archetypes;
2565	reload_treasures;	3529	reload_treasures;
2566		3530
2567	warn "finished reloading resource files\n";	3531	trace "finished reloading resource files\n";
2568	}	3532	}
2569		3533
2570	sub init {	3534	sub reload_config {
2571	reload_resources;	3535	trace "reloading config file...\n";
2572	}
2573		3536
2574	sub cfg_load {
2575	open my $fh, "<:utf8", "$CONFDIR/config"	3537	open my $fh, "<:utf8", "$CONFDIR/config"
2576	or return;	3538	or return;
2577		3539
2578	local $/;	3540	local $/;
2579	*CFG = YAML::Syck::Load <$fh>;	3541	*CFG = YAML::XS::Load scalar <$fh>;
2580		3542
2581	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3543	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2582		3544
2583	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3545	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2584	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3546	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2585		3547
2586	if (exists $CFG{mlockall}) {	3548	if (exists $CFG{mlockall}) {
…		…
2588	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3550	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2589	and die "WARNING: m(un)lockall failed: $!\n";	3551	and die "WARNING: m(un)lockall failed: $!\n";
2590	};	3552	};
2591	warn $@ if $@;	3553	warn $@ if $@;
2592	}	3554	}
		3555
		3556	trace "finished reloading resource files\n";
		3557	}
		3558
		3559	sub pidfile() {
		3560	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3561	or die "$PIDFILE: $!";
		3562	flock $fh, &Fcntl::LOCK_EX
		3563	or die "$PIDFILE: flock: $!";
		3564	$fh
		3565	}
		3566
		3567	# make sure only one server instance is running at any one time
		3568	sub atomic {
		3569	my $fh = pidfile;
		3570
		3571	my $pid = <$fh>;
		3572	kill 9, $pid if $pid > 0;
		3573
		3574	seek $fh, 0, 0;
		3575	print $fh $$;
		3576	}
		3577
		3578	sub main_loop {
		3579	trace "EV::loop starting\n";
		3580	if (1) {
		3581	EV::loop;
		3582	}
		3583	trace "EV::loop returned\n";
		3584	goto &main_loop unless $REALLY_UNLOOP;
2593	}	3585	}
2594		3586
2595	sub main {	3587	sub main {
		3588	cf::init_globals; # initialise logging
		3589
		3590	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3591	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3592	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3593	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3594
		3595	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3596
2596	# we must not ever block the main coroutine	3597	# we must not ever block the main coroutine
2597	local $Coro::idle = sub {	3598	local $Coro::idle = sub {
2598	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3599	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2599	(async {	3600	(async {
2600	Event::one_event;	3601	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3602	EV::loop EV::LOOP_ONESHOT;
2601	})->prio (Coro::PRIO_MAX);	3603	})->prio (Coro::PRIO_MAX);
2602	};	3604	};
2603		3605
2604	cfg_load;	3606	evthread_start IO::AIO::poll_fileno;
		3607
		3608	cf::sync_job {
		3609	cf::init_experience;
		3610	cf::init_anim;
		3611	cf::init_attackmess;
		3612	cf::init_dynamic;
		3613
		3614	cf::load_settings;
		3615	cf::load_materials;
		3616
		3617	reload_resources;
		3618	reload_config;
2605	db_init;	3619	db_init;
		3620
		3621	cf::init_uuid;
		3622	cf::init_signals;
		3623	cf::init_skills;
		3624
		3625	cf::init_beforeplay;
		3626
		3627	atomic;
		3628
2606	load_extensions;	3629	load_extensions;
2607		3630
2608	$TICK_WATCHER->start;	3631	utime time, time, $RUNTIMEFILE;
2609	Event::loop;	3632
		3633	# no (long-running) fork's whatsoever before this point(!)
		3634	use POSIX ();
		3635	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3636
		3637	(pop @POST_INIT)->(0) while @POST_INIT;
		3638	};
		3639
		3640	cf::object::thawer::errors_are_fatal 0;
		3641	info "parse errors in files are no longer fatal from this point on.\n";
		3642
		3643	main_loop;
2610	}	3644	}
2611		3645
2612	#############################################################################	3646	#############################################################################
2613	# initialisation and cleanup	3647	# initialisation and cleanup
2614		3648
2615	# install some emergency cleanup handlers	3649	# install some emergency cleanup handlers
2616	BEGIN {	3650	BEGIN {
		3651	our %SIGWATCHER = ();
2617	for my $signal (qw(INT HUP TERM)) {	3652	for my $signal (qw(INT HUP TERM)) {
2618	Event->signal (	3653	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2619	reentrant => 0,
2620	data => WF_AUTOCANCEL,
2621	signal => $signal,
2622	prio => 0,
2623	cb => sub {
2624	cf::cleanup "SIG$signal";	3654	cf::cleanup "SIG$signal";
2625	},
2626	);	3655	};
		3656	}
		3657	}
		3658
		3659	sub write_runtime_sync {
		3660	my $t0 = AE::time;
		3661
		3662	# first touch the runtime file to show we are still running:
		3663	# the fsync below can take a very very long time.
		3664
		3665	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3666
		3667	my $guard = cf::lock_acquire "write_runtime";
		3668
		3669	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3670	or return;
		3671
		3672	my $value = $cf::RUNTIME + 90 + 10;
		3673	# 10 is the runtime save interval, for a monotonic clock
		3674	# 60 allows for the watchdog to kill the server.
		3675
		3676	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3677	and return;
		3678
		3679	# always fsync - this file is important
		3680	aio_fsync $fh
		3681	and return;
		3682
		3683	# touch it again to show we are up-to-date
		3684	aio_utime $fh, undef, undef;
		3685
		3686	close $fh
		3687	or return;
		3688
		3689	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3690	and return;
		3691
		3692	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3693
2627	}	3694	1
		3695	}
		3696
		3697	our $uuid_lock;
		3698	our $uuid_skip;
		3699
		3700	sub write_uuid_sync($) {
		3701	$uuid_skip ||= $_[0];
		3702
		3703	return if $uuid_lock;
		3704	local $uuid_lock = 1;
		3705
		3706	my $uuid = "$LOCALDIR/uuid";
		3707
		3708	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3709	or return;
		3710
		3711	my $value = uuid_seq uuid_cur;
		3712
		3713	unless ($value) {
		3714	info "cowardly refusing to write zero uuid value!\n";
		3715	return;
		3716	}
		3717
		3718	my $value = uuid_str $value + $uuid_skip;
		3719	$uuid_skip = 0;
		3720
		3721	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3722	and return;
		3723
		3724	# always fsync - this file is important
		3725	aio_fsync $fh
		3726	and return;
		3727
		3728	close $fh
		3729	or return;
		3730
		3731	aio_rename "$uuid~", $uuid
		3732	and return;
		3733
		3734	trace "uuid file written ($value).\n";
		3735
		3736	1
		3737
		3738	}
		3739
		3740	sub write_uuid($$) {
		3741	my ($skip, $sync) = @_;
		3742
		3743	$sync ? write_uuid_sync $skip
		3744	: async { write_uuid_sync $skip };
2628	}	3745	}
2629		3746
2630	sub emergency_save() {	3747	sub emergency_save() {
2631	my $freeze_guard = cf::freeze_mainloop;	3748	my $freeze_guard = cf::freeze_mainloop;
2632		3749
2633	warn "enter emergency perl save\n";	3750	info "emergency_perl_save: enter\n";
2634		3751
2635	cf::sync_job {	3752	cf::sync_job {
		3753	# this is a trade-off: we want to be very quick here, so
		3754	# save all maps without fsync, and later call a global sync
		3755	# (which in turn might be very very slow)
		3756	local $USE_FSYNC = 0;
		3757
2636	# use a peculiar iteration method to avoid tripping on perl	3758	# use a peculiar iteration method to avoid tripping on perl
2637	# refcount bugs in for. also avoids problems with players	3759	# refcount bugs in for. also avoids problems with players
2638	# and maps saved/destroyed asynchronously.	3760	# and maps saved/destroyed asynchronously.
2639	warn "begin emergency player save\n";	3761	info "emergency_perl_save: begin player save\n";
2640	for my $login (keys %cf::PLAYER) {	3762	for my $login (keys %cf::PLAYER) {
2641	my $pl = $cf::PLAYER{$login} or next;	3763	my $pl = $cf::PLAYER{$login} or next;
2642	$pl->valid or next;	3764	$pl->valid or next;
		3765	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2643	$pl->save;	3766	$pl->save;
2644	}	3767	}
2645	warn "end emergency player save\n";	3768	info "emergency_perl_save: end player save\n";
2646		3769
2647	warn "begin emergency map save\n";	3770	info "emergency_perl_save: begin map save\n";
2648	for my $path (keys %cf::MAP) {	3771	for my $path (keys %cf::MAP) {
2649	my $map = $cf::MAP{$path} or next;	3772	my $map = $cf::MAP{$path} or next;
2650	$map->valid or next;	3773	$map->valid or next;
2651	$map->save;	3774	$map->save;
2652	}	3775	}
2653	warn "end emergency map save\n";	3776	info "emergency_perl_save: end map save\n";
2654		3777
2655	warn "begin emergency database checkpoint\n";	3778	info "emergency_perl_save: begin database checkpoint\n";
2656	BDB::db_env_txn_checkpoint $DB_ENV;	3779	BDB::db_env_txn_checkpoint $DB_ENV;
2657	warn "end emergency database checkpoint\n";	3780	info "emergency_perl_save: end database checkpoint\n";
		3781
		3782	info "emergency_perl_save: begin write uuid\n";
		3783	write_uuid_sync 1;
		3784	info "emergency_perl_save: end write uuid\n";
2658	};	3785	};
2659		3786
2660	warn "leave emergency perl save\n";	3787	info "emergency_perl_save: starting sync()\n";
		3788	IO::AIO::aio_sync sub {
		3789	info "emergency_perl_save: finished sync()\n";
		3790	};
		3791
		3792	info "emergency_perl_save: leave\n";
2661	}	3793	}
2662		3794
2663	sub post_cleanup {	3795	sub post_cleanup {
2664	my ($make_core) = @_;	3796	my ($make_core) = @_;
2665		3797
2666	warn Carp::longmess "post_cleanup backtrace"	3798	error Carp::longmess "post_cleanup backtrace"
2667	if $make_core;	3799	if $make_core;
		3800
		3801	my $fh = pidfile;
		3802	unlink $PIDFILE if <$fh> == $$;
		3803	}
		3804
		3805	# a safer delete_package, copied from Symbol
		3806	sub clear_package($) {
		3807	my $pkg = shift;
		3808
		3809	# expand to full symbol table name if needed
		3810	unless ($pkg =~ /^main::.*::$/) {
		3811	$pkg = "main$pkg" if $pkg =~ /^::/;
		3812	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3813	$pkg .= '::' unless $pkg =~ /::$/;
		3814	}
		3815
		3816	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3817	my $stem_symtab = *{$stem}{HASH};
		3818
		3819	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3820	or return;
		3821
		3822	# clear all symbols
		3823	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3824	for my $name (keys %$leaf_symtab) {
		3825	_gv_clear *{"$pkg$name"};
		3826	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3827	}
2668	}	3828	}
2669		3829
2670	sub do_reload_perl() {	3830	sub do_reload_perl() {
2671	# can/must only be called in main	3831	# can/must only be called in main
2672	if ($Coro::current != $Coro::main) {	3832	if (in_main) {
2673	warn "can only reload from main coroutine";	3833	error "can only reload from main coroutine";
2674	return;	3834	return;
2675	}	3835	}
2676		3836
		3837	return if $RELOAD++;
		3838
		3839	my $t1 = AE::time;
		3840
		3841	while ($RELOAD) {
2677	warn "reloading...";	3842	info "reloading...";
2678		3843
2679	warn "entering sync_job";	3844	trace "entering sync_job";
2680		3845
2681	cf::sync_job {	3846	cf::sync_job {
2682	cf::write_runtime; # external watchdog should not bark	3847	cf::write_runtime_sync; # external watchdog should not bark
2683	cf::emergency_save;	3848	cf::emergency_save;
2684	cf::write_runtime; # external watchdog should not bark	3849	cf::write_runtime_sync; # external watchdog should not bark
2685		3850
2686	warn "syncing database to disk";	3851	trace "syncing database to disk";
2687	BDB::db_env_txn_checkpoint $DB_ENV;	3852	BDB::db_env_txn_checkpoint $DB_ENV;
2688		3853
2689	# if anything goes wrong in here, we should simply crash as we already saved	3854	# if anything goes wrong in here, we should simply crash as we already saved
2690		3855
2691	warn "cancelling all WF_AUTOCANCEL watchers";
2692	for (Event::all_watchers) {
2693	$_->cancel if $_->data & WF_AUTOCANCEL;
2694	}
2695
2696	warn "flushing outstanding aio requests";	3856	trace "flushing outstanding aio requests";
2697	for (;;) {
2698	BDB::flush;
2699	IO::AIO::flush;
2700	Coro::cede;
2701	last unless IO::AIO::nreqs || BDB::nreqs;	3857	while (IO::AIO::nreqs || BDB::nreqs) {
2702	warn "iterate...";	3858	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2703	}
2704
2705	++$RELOAD;
2706
2707	warn "cancelling all extension coros";
2708	$_->cancel for values %EXT_CORO;
2709	%EXT_CORO = ();
2710
2711	warn "removing commands";
2712	%COMMAND = ();
2713
2714	warn "removing ext commands";
2715	%EXTCMD = ();
2716
2717	warn "unloading/nuking all extensions";
2718	for my $pkg (@EXTS) {
2719	warn "... unloading $pkg";
2720
2721	if (my $cb = $pkg->can ("unload")) {
2722	eval {
2723	$cb->($pkg);
2724	1
2725	} or warn "$pkg unloaded, but with errors: $@";
2726	}	3859	}
2727		3860
2728	warn "... nuking $pkg";	3861	trace "cancelling all extension coros";
2729	Symbol::delete_package $pkg;	3862	$_->cancel for values %EXT_CORO;
2730	}	3863	%EXT_CORO = ();
2731		3864
2732	warn "unloading all perl modules loaded from $LIBDIR";	3865	trace "removing commands";
2733	while (my ($k, $v) = each %INC) {	3866	%COMMAND = ();
2734	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2735		3867
		3868	trace "removing ext/exti commands";
		3869	%EXTCMD = ();
		3870	%EXTICMD = ();
		3871
		3872	trace "unloading/nuking all extensions";
		3873	for my $pkg (@EXTS) {
2736	warn "... unloading $k";	3874	trace "... unloading $pkg";
2737	delete $INC{$k};
2738		3875
2739	$k =~ s/\.pm$//;
2740	$k =~ s/\//::/g;
2741
2742	if (my $cb = $k->can ("unload_module")) {	3876	if (my $cb = $pkg->can ("unload")) {
		3877	eval {
2743	$cb->();	3878	$cb->($pkg);
		3879	1
		3880	} or error "$pkg unloaded, but with errors: $@";
		3881	}
		3882
		3883	trace "... clearing $pkg";
		3884	clear_package $pkg;
2744	}	3885	}
2745		3886
2746	Symbol::delete_package $k;	3887	trace "unloading all perl modules loaded from $LIBDIR";
		3888	while (my ($k, $v) = each %INC) {
		3889	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3890
		3891	trace "... unloading $k";
		3892	delete $INC{$k};
		3893
		3894	$k =~ s/\.pm$//;
		3895	$k =~ s/\//::/g;
		3896
		3897	if (my $cb = $k->can ("unload_module")) {
		3898	$cb->();
		3899	}
		3900
		3901	clear_package $k;
2747	}	3902	}
2748		3903
2749	warn "getting rid of safe::, as good as possible";	3904	trace "getting rid of safe::, as good as possible";
2750	Symbol::delete_package "safe::$_"	3905	clear_package "safe::$_"
2751	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3906	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2752		3907
2753	warn "unloading cf.pm \"a bit\"";	3908	trace "unloading cf.pm \"a bit\"";
2754	delete $INC{"cf.pm"};	3909	delete $INC{"cf.pm"};
2755	delete $INC{"cf/pod.pm"};	3910	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2756		3911
2757	# don't, removes xs symbols, too,	3912	# don't, removes xs symbols, too,
2758	# and global variables created in xs	3913	# and global variables created in xs
2759	#Symbol::delete_package __PACKAGE__;	3914	#clear_package __PACKAGE__;
2760		3915
2761	warn "unload completed, starting to reload now";	3916	info "unload completed, starting to reload now";
2762		3917
2763	warn "reloading cf.pm";	3918	trace "reloading cf.pm";
2764	require cf;	3919	require cf;
2765	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3920	cf::_connect_to_perl_1;
2766		3921
2767	warn "loading config and database again";	3922	trace "loading config and database again";
2768	cf::cfg_load;	3923	cf::reload_config;
2769		3924
2770	warn "loading extensions";	3925	trace "loading extensions";
2771	cf::load_extensions;	3926	cf::load_extensions;
2772		3927
		3928	if ($REATTACH_ON_RELOAD) {
2773	warn "reattaching attachments to objects/players";	3929	trace "reattaching attachments to objects/players";
2774	_global_reattach; # objects, sockets	3930	_global_reattach; # objects, sockets
2775	warn "reattaching attachments to maps";	3931	trace "reattaching attachments to maps";
2776	reattach $_ for values %MAP;	3932	reattach $_ for values %MAP;
2777	warn "reattaching attachments to players";	3933	trace "reattaching attachments to players";
2778	reattach $_ for values %PLAYER;	3934	reattach $_ for values %PLAYER;
		3935	}
2779		3936
		3937	trace "running post_init jobs";
		3938	(pop @POST_INIT)->(1) while @POST_INIT;
		3939
2780	warn "leaving sync_job";	3940	trace "leaving sync_job";
2781		3941
2782	1	3942	1
2783	} or do {	3943	} or do {
2784	warn $@;	3944	error $@;
2785	warn "error while reloading, exiting.";	3945	cf::cleanup "error while reloading, exiting.";
2786	exit 1;	3946	};
		3947
		3948	info "reloaded";
		3949	--$RELOAD;
2787	};	3950	}
2788		3951
2789	warn "reloaded";	3952	$t1 = AE::time - $t1;
		3953	info "reload completed in ${t1}s\n";
2790	};	3954	};
2791		3955
2792	our $RELOAD_WATCHER; # used only during reload	3956	our $RELOAD_WATCHER; # used only during reload
2793		3957
2794	sub reload_perl() {	3958	sub reload_perl() {
2795	# doing reload synchronously and two reloads happen back-to-back,	3959	# doing reload synchronously and two reloads happen back-to-back,
2796	# coro crashes during coro_state_free->destroy here.	3960	# coro crashes during coro_state_free->destroy here.
2797		3961
2798	$RELOAD_WATCHER ||= Event->timer (	3962	$RELOAD_WATCHER ||= cf::async {
2799	reentrant => 0,	3963	Coro::AIO::aio_wait cache_extensions;
2800	after => 0,	3964
2801	data => WF_AUTOCANCEL,	3965	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2802	cb => sub {
2803	do_reload_perl;	3966	do_reload_perl;
2804	undef $RELOAD_WATCHER;	3967	undef $RELOAD_WATCHER;
2805	},	3968	};
2806	);	3969	};
2807	}	3970	}
2808		3971
2809	register_command "reload" => sub {	3972	register_command "reload" => sub {
2810	my ($who, $arg) = @_;	3973	my ($who, $arg) = @_;
2811		3974
2812	if ($who->flag (FLAG_WIZ)) {	3975	if ($who->flag (FLAG_WIZ)) {
2813	$who->message ("reloading server.");	3976	$who->message ("reloading server.");
		3977	async {
		3978	$Coro::current->{desc} = "perl_reload";
2814	async { reload_perl };	3979	reload_perl;
		3980	};
2815	}	3981	}
2816	};	3982	};
2817		3983
2818	unshift @INC, $LIBDIR;	3984	unshift @INC, $LIBDIR;
2819		3985
…		…
2821		3987
2822	our @WAIT_FOR_TICK;	3988	our @WAIT_FOR_TICK;
2823	our @WAIT_FOR_TICK_BEGIN;	3989	our @WAIT_FOR_TICK_BEGIN;
2824		3990
2825	sub wait_for_tick {	3991	sub wait_for_tick {
2826	return unless $TICK_WATCHER->is_active;
2827	return if $Coro::current == $Coro::main;	3992	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2828		3993
2829	my $signal = new Coro::Signal;	3994	my $signal = new Coro::Signal;
2830	push @WAIT_FOR_TICK, $signal;	3995	push @WAIT_FOR_TICK, $signal;
2831	$signal->wait;	3996	$signal->wait;
2832	}	3997	}
2833		3998
2834	sub wait_for_tick_begin {	3999	sub wait_for_tick_begin {
2835	return unless $TICK_WATCHER->is_active;
2836	return if $Coro::current == $Coro::main;	4000	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2837		4001
2838	my $signal = new Coro::Signal;	4002	my $signal = new Coro::Signal;
2839	push @WAIT_FOR_TICK_BEGIN, $signal;	4003	push @WAIT_FOR_TICK_BEGIN, $signal;
2840	$signal->wait;	4004	$signal->wait;
2841	}	4005	}
2842		4006
2843	my $min = 1e6;#d#	4007	sub tick {
2844	my $avg = 10;
2845	$TICK_WATCHER = Event->timer (
2846	reentrant => 0,
2847	parked => 1,
2848	prio => 0,
2849	at => $NEXT_TICK || $TICK,
2850	data => WF_AUTOCANCEL,
2851	cb => sub {
2852	if ($Coro::current != $Coro::main) {	4008	if ($Coro::current != $Coro::main) {
2853	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4009	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2854	unless ++$bug_warning > 10;	4010	unless ++$bug_warning > 10;
2855	return;	4011	return;
2856	}	4012	}
2857		4013
2858	$NOW = $tick_start = Event::time;
2859
2860	cf::server_tick; # one server iteration	4014	cf::server_tick; # one server iteration
2861		4015
2862	0 && sync_job {#d#	4016	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2863	for(1..10) {
2864	my $t = Event::time;
2865	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2866	or die;
2867		4017
2868	$map->width (50);	4018	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2869	$map->height (50);	4019	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2870	$map->alloc;	4020	Coro::async_pool {
2871	$map->_load_objects ("/tmp/x.map", 1);	4021	$Coro::current->{desc} = "runtime saver";
2872	my $t = Event::time - $t;	4022	write_runtime_sync
2873		4023	or error "ERROR: unable to write runtime file: $!";
2874	#next unless $t < 0.0013;#d#
2875	if ($t < $min) {
2876	$min = $t;
2877	}
2878	$avg = $avg * 0.99 + $t * 0.01;
2879	}
2880	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2881	exit 0;
2882	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2883	};	4024	};
		4025	}
2884		4026
2885	$RUNTIME += $TICK;
2886	$NEXT_TICK += $TICK;
2887
2888	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2889	$NEXT_RUNTIME_WRITE = $NOW + 10;
2890	Coro::async_pool {
2891	write_runtime
2892	or warn "ERROR: unable to write runtime file: $!";
2893	};
2894	}
2895
2896	# my $AFTER = Event::time;
2897	# warn $AFTER - $NOW;#d#
2898
2899	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4027	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2900	$sig->send;	4028	$sig->send;
2901	}	4029	}
2902	while (my $sig = shift @WAIT_FOR_TICK) {	4030	while (my $sig = shift @WAIT_FOR_TICK) {
2903	$sig->send;	4031	$sig->send;
2904	}	4032	}
2905		4033
2906	$NOW = Event::time;	4034	$LOAD = ($NOW - $TICK_START) / $TICK;
2907
2908	# if we are delayed by four ticks or more, skip them all
2909	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2910
2911	$TICK_WATCHER->at ($NEXT_TICK);
2912	$TICK_WATCHER->start;
2913
2914	$LOAD = ($NOW - $tick_start) / $TICK;
2915	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4035	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2916		4036
2917	_post_tick;	4037	if (0) {
2918		4038	if ($NEXT_TICK) {
2919		4039	my $jitter = $TICK_START - $NEXT_TICK;
		4040	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4041	debug "jitter $JITTER\n";#d#
		4042	}
2920	},	4043	}
2921	);	4044	}
2922		4045
2923	{	4046	{
2924	BDB::max_poll_time $TICK * 0.1;	4047	# configure BDB
2925	$BDB_POLL_WATCHER = Event->io (	4048
2926	reentrant => 0,
2927	fd => BDB::poll_fileno,
2928	poll => 'r',
2929	prio => 0,
2930	data => WF_AUTOCANCEL,
2931	cb => \&BDB::poll_cb,
2932	);
2933	BDB::min_parallel 8;	4049	BDB::min_parallel 16;
2934		4050	BDB::max_poll_reqs $TICK * 0.1;
2935	BDB::set_sync_prepare {	4051	$AnyEvent::BDB::WATCHER->priority (1);
2936	my $status;
2937	my $current = $Coro::current;
2938	(
2939	sub {
2940	$status = $!;
2941	$current->ready; undef $current;
2942	},
2943	sub {
2944	Coro::schedule while defined $current;
2945	$! = $status;
2946	},
2947	)
2948	};
2949		4052
2950	unless ($DB_ENV) {	4053	unless ($DB_ENV) {
2951	$DB_ENV = BDB::db_env_create;	4054	$DB_ENV = BDB::db_env_create;
		4055	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4056	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4057	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4058	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4059	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2952		4060
2953	cf::sync_job {	4061	cf::sync_job {
2954	eval {	4062	eval {
2955	BDB::db_env_open	4063	BDB::db_env_open
2956	$DB_ENV,	4064	$DB_ENV,
…		…
2958	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4066	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2959	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4067	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2960	0666;	4068	0666;
2961		4069
2962	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4070	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2963
2964	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2965	$DB_ENV->set_lk_detect;
2966	};	4071	};
2967		4072
2968	cf::cleanup "db_env_open(db): $@" if $@;	4073	cf::cleanup "db_env_open(db): $@" if $@;
2969	};	4074	};
2970	}	4075	}
		4076
		4077	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4078	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4079	};
		4080	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4081	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4082	};
		4083	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4084	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4085	};
2971	}	4086	}
2972		4087
2973	{	4088	{
		4089	# configure IO::AIO
		4090
2974	IO::AIO::min_parallel 8;	4091	IO::AIO::min_parallel 8;
2975
2976	undef $Coro::AIO::WATCHER;
2977	IO::AIO::max_poll_time $TICK * 0.1;	4092	IO::AIO::max_poll_time $TICK * 0.1;
2978	$AIO_POLL_WATCHER = Event->io (	4093	undef $AnyEvent::AIO::WATCHER;
2979	reentrant => 0,
2980	data => WF_AUTOCANCEL,
2981	fd => IO::AIO::poll_fileno,
2982	poll => 'r',
2983	prio => 6,
2984	cb => \&IO::AIO::poll_cb,
2985	);
2986	}	4094	}
2987		4095
2988	my $_log_backtrace;	4096	my $_log_backtrace;
2989		4097
2990	sub _log_backtrace {	4098	sub _log_backtrace {
…		…
2993	$msg =~ s/\n//;	4101	$msg =~ s/\n//;
2994		4102
2995	# limit the # of concurrent backtraces	4103	# limit the # of concurrent backtraces
2996	if ($_log_backtrace < 2) {	4104	if ($_log_backtrace < 2) {
2997	++$_log_backtrace;	4105	++$_log_backtrace;
		4106	my $perl_bt = Carp::longmess $msg;
2998	async {	4107	async {
		4108	$Coro::current->{desc} = "abt $msg";
		4109
2999	my @bt = fork_call {	4110	my @bt = fork_call {
3000	@addr = map { sprintf "%x", $_ } @addr;	4111	@addr = map { sprintf "%x", $_ } @addr;
3001	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4112	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3002	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4113	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3003	or die "addr2line: $!";	4114	or die "addr2line: $!";
…		…
3011	}	4122	}
3012		4123
3013	@funcs	4124	@funcs
3014	};	4125	};
3015		4126
3016	LOG llevInfo, "[ABT] $msg\n";	4127	LOG llevInfo, "[ABT] $perl_bt\n";
		4128	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3017	LOG llevInfo, "[ABT] $_\n" for @bt;	4129	LOG llevInfo, "[ABT] $_\n" for @bt;
3018	--$_log_backtrace;	4130	--$_log_backtrace;
3019	};	4131	};
3020	} else {	4132	} else {
3021	LOG llevInfo, "[ABT] $msg\n";	4133	LOG llevInfo, "[ABT] $msg\n";
3022	LOG llevInfo, "[ABT] [suppressed]\n";	4134	LOG llevInfo, "[ABT] [suppressed]\n";
3023	}	4135	}
3024	}	4136	}
3025		4137
3026	# load additional modules	4138	# load additional modules
3027	use cf::pod;	4139	require "cf/$_.pm" for @EXTRA_MODULES;
		4140	cf::_connect_to_perl_2;
3028		4141
3029	END { cf::emergency_save }	4142	END { cf::emergency_save }
3030		4143
3031	1	4144	1
3032		4145

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