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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.256 by root, Sat Apr 21 16:56:32 2007 UTC vs.
Revision 1.538 by root, Tue May 4 21:45:43 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
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		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 $REALLY_UNLOOP; # never set to true, please :)
		153
95	binmode STDOUT;	154	binmode STDOUT;
96	binmode STDERR;	155	binmode STDERR;
97		156
98	# read virtual server time, if available	157	# read virtual server time, if available
99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
100	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
101	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
102	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
103	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
104		165
105	mkdir $_	166	mkdir $_
106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
107		168
108	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
109		170
110	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::"} };
111		187
112	#############################################################################	188	#############################################################################
113		189
114	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
115		191
…		…
139		215
140	=item $cf::TICK	216	=item $cf::TICK
141		217
142	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
143		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
144	=item %cf::CFG	230	=item %cf::CFG
145		231
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	233	from wherever your confdir points to.
148		234
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		236
151	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
152	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
153	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.
154		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
155	=back	253	=back
156		254
157	=cut	255	=cut
158		256
159	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
160	*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 {
161	my $msg = join "", @_;	264	my $msg = join "", @_;
162		265
163	$msg .= "\n"	266	$msg .= "\n"
164	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
165		268
166	$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;
167		270
168	utf8::encode $msg;
169	LOG llevError, $msg;	271	LOG llevWarn, $msg;
170	};	272	};
171	}	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	};
172		287
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@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';
178	@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)
179		295
180	# 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
181	# within the Safe compartment.	297	# within the Safe compartment.
182	for my $pkg (qw(	298	for my $pkg (qw(
183	cf::global cf::attachable	299	cf::global cf::attachable
184	cf::object cf::object::player	300	cf::object cf::object::player
185	cf::client cf::player	301	cf::client cf::player
186	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
187	cf::map cf::party cf::region	304	cf::party cf::region
188	)) {	305	)) {
189	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	307	}
192		308
193	$Event::DIED = sub {	309	$EV::DIED = sub {
194	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
195	};	311	};
		312
		313	#############################################################################
196		314
197	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
198		316
199	=over 4	317	=over 4
200		318
…		…
219	$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;
220	$d	338	$d
221	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
222	}	340	}
223		341
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
227		343
228	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
229		345
230	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
231		347
232	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
233		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
234	=item cf::lock_wait $string	371	=item cf::lock_wait $string
235		372
236	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
237		374
238	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
239		376
240	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
241	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,
242	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
243	returned.	380	returned.
244		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
245	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
246	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
247		387
248	=item $locked = cf::lock_active $string	388	=item $locked = cf::lock_active $string
249		389
250	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.
251		391
252	=cut	392	=cut
253		393
254	our %LOCK;	394	our $LOCKS = new Coro::SemaphoreSet;
255		395
256	sub lock_wait($) {	396	sub lock_wait($) {
257	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
258
259	# wait for lock, if any
260	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;
263	}
264	}	398	}
265		399
266	sub lock_acquire($) {	400	sub lock_acquire($) {
267	my ($key) = @_;	401	$LOCKS->guard ($_[0])
268
269	# wait, to be sure we are not locked
270	lock_wait $key;
271
272	$LOCK{$key} = [];
273
274	Coro::guard {
275	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };
277	}
278	}	402	}
279		403
280	sub lock_active($) {	404	sub lock_active($) {
281	my ($key) = @_;	405	$LOCKS->count ($_[0]) < 1
282
283	! ! $LOCK{$key}
284	}	406	}
285		407
286	sub freeze_mainloop {	408	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
288		410
289	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
290	$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($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
291	};	478	}
292	$TICK_WATCHER->stop;	479	};
293	$guard	480
		481	sub get_slot($;$$) {
		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	$sig->wait;
294	}	494	}
295		495
296	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
297		497
298	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		503
304	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
305		505
306	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
307		507
308	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
311		512
312	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
315	fast or be very important.	516	fast or be very important.
…		…
317	=cut	518	=cut
318		519
319	sub sync_job(&) {	520	sub sync_job(&) {
320	my ($job) = @_;	521	my ($job) = @_;
321		522
322	if ($Coro::current == $Coro::main) {	523	if (in_main) {
		524	my $time = AE::time;
		525
323	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
325		528
326	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	530
328	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
329		532
330	my $busy = 1;	533	my $busy = 1;
331	my @res;	534	my @res;
332		535
333	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	538	@res = eval { $job->() };
335	warn $@ if $@;	539	error $@ if $@;
336	undef $busy;	540	undef $busy;
337	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
338		542
339	while ($busy) {	543	while ($busy) {
340	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
341	}	548	}
		549	}
		550
		551	my $time = AE::time - $time;
		552
		553	$TICK_START += $time; # do not account sync jobs to server load
342		554
343	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
344	} else {	556	} else {
345	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
346		558
…		…
366	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
367		579
368	$coro	580	$coro
369	}	581	}
370		582
371	sub write_runtime {	583	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		584
374	my $runtime = "$LOCALDIR/runtime";	585	Executes the given code block with the given arguments in a seperate
		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.
375		589
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	590	=cut
377	or return;
378		591
379	my $value = $cf::RUNTIME + 90 + 10;	592	sub fork_call(&@) {
380	# 10 is the runtime save interval, for a monotonic clock	593	my ($cb, @args) = @_;
381	# 60 allows for the watchdog to kill the server.
382		594
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	595	# we seemingly have to make a local copy of the whole thing,
384	and return;	596	# otherwise perl prematurely frees the stuff :/
		597	# TODO: investigate and fix (likely this will be rather laborious)
385		598
386	# always fsync - this file is important	599	my @res = Coro::Util::fork_eval {
387	aio_fsync $fh	600	reset_signals;
388	and return;	601	&$cb
		602	}, @args;
389		603
390	close $fh	604	wantarray ? @res : $res[-1]
391	or return;	605	}
392		606
393	aio_rename "$runtime~", $runtime	607	sub objinfo {
394	and return;
395
396	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	cf::error "db_get called from main context"
		663	if $Coro::current == $Coro::main;
		664
		665	my ($name) = @_;
		666	my $db = BDB::db_create $DB_ENV;
		667
		668	eval {
		669	$db->set_flags (BDB::CHKSUM);
		670
		671	utf8::encode $name;
		672	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		673	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		674	cf::cleanup "db_open(db): $!" if $!;
		675	};
		676	cf::cleanup "db_open(db): $@" if $@;
		677
		678	$db
		679	}
		680
		681	our $DB;
		682
		683	sub db_init {
		684	$DB ||= db_table "db";
		685	}
		686
		687	sub db_get($$) {
		688	my $key = "$_[0]/$_[1]";
		689
		690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
		693	BDB::db_get $DB, undef, $key, my $data;
		694
		695	$! ? ()
		696	: $data
		697	}
		698
		699	sub db_put($$$) {
		700	BDB::dbreq_pri 4;
		701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		702	}
		703
		704	=item cf::cache $id => [$paths...], $processversion => $process
		705
		706	Generic caching function that returns the value of the resource $id,
		707	caching and regenerating as required.
		708
		709	This function can block.
		710
		711	=cut
		712
		713	sub cache {
		714	my ($id, $src, $processversion, $process) = @_;
		715
		716	my $meta =
		717	join "\x00",
		718	$processversion,
		719	map {
		720	aio_stat $_
		721	and Carp::croak "$_: $!";
		722
		723	($_, (stat _)[7,9])
		724	} @$src;
		725
		726	my $dbmeta = db_get cache => "$id/meta";
		727	if ($dbmeta ne $meta) {
		728	# changed, we may need to process
		729
		730	my @data;
		731	my $md5;
		732
		733	for (0 .. $#$src) {
		734	0 <= aio_load $src->[$_], $data[$_]
		735	or Carp::croak "$src->[$_]: $!";
		736	}
		737
		738	# if processing is expensive, check
		739	# checksum first
		740	if (1) {
		741	$md5 =
		742	join "\x00",
		743	$processversion,
		744	map {
		745	cf::cede_to_tick;
		746	($src->[$_], Digest::MD5::md5_hex $data[$_])
		747	} 0.. $#$src;
		748
		749
		750	my $dbmd5 = db_get cache => "$id/md5";
		751	if ($dbmd5 eq $md5) {
		752	db_put cache => "$id/meta", $meta;
		753
		754	return db_get cache => "$id/data";
		755	}
		756	}
		757
		758	my $t1 = Time::HiRes::time;
		759	my $data = $process->(\@data);
		760	my $t2 = Time::HiRes::time;
		761
		762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		763
		764	db_put cache => "$id/data", $data;
		765	db_put cache => "$id/md5" , $md5;
		766	db_put cache => "$id/meta", $meta;
		767
		768	return $data;
		769	}
		770
		771	db_get cache => "$id/data"
397	}	772	}
398		773
399	=item cf::datalog type => key => value, ...	774	=item cf::datalog type => key => value, ...
400		775
401	Log a datalog packet of the given type with the given key-value pairs.	776	Log a datalog packet of the given type with the given key-value pairs.
402		777
403	=cut	778	=cut
404		779
405	sub datalog($@) {	780	sub datalog($@) {
406	my ($type, %kv) = @_;	781	my ($type, %kv) = @_;
407	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
408	}	783	}
409		784
410	=back	785	=back
411		786
412	=cut	787	=cut
413		788
414	#############################################################################	789	#############################################################################
415		790
416	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
417		792
418	Many objects in crossfire are so-called attachable objects. That means you can	793	Many objects in deliantra are so-called attachable objects. That means you can
419	attach callbacks/event handlers (a collection of which is called an "attachment")	794	attach callbacks/event handlers (a collection of which is called an "attachment")
420	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
421		796
422	In the following description, CLASS can be any of C<global>, C<object>	797	In the following description, CLASS can be any of C<global>, C<object>
423	C<player>, C<client> or C<map> (i.e. the attachable objects in	798	C<player>, C<client> or C<map> (i.e. the attachable objects in
424	crossfire+).	799	Deliantra).
425		800
426	=over 4	801	=over 4
427		802
428	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
429		804
…		…
473	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
474		849
475	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
476	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
477		852
478	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
479	that are attached at load/instantiate time, thus the need for a name.	854	that are attached at load/instantiate time, thus the need for a name.
480		855
481	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
482		857
483	=over 4	858	=over 4
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	967	$registry = $CB_TYPE[$object_type] ||= [];
593		968
594	} elsif ($type eq "subtype") {	969	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	970	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	971	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	972	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		973
599	} elsif ($type eq "package") {	974	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	975	my $pkg = shift @arg;
601		976
602	while (my ($name, $id) = each %cb_id) {	977	while (my ($name, $id) = each %cb_id) {
…		…
607		982
608	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
609	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
610		985
611	} elsif (ref $type) {	986	} elsif (ref $type) {
612	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
613		988
614	} else {	989	} else {
615	shift @arg;	990	shift @arg;
616	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
617	}	992	}
618	}	993	}
619	}	994	}
620		995
621	sub _object_attach {	996	sub _object_attach {
…		…
631	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
632	}	1007	}
633		1008
634	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
635	} else {	1010	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
637	}	1012	}
638		1013
639	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
640	}	1015	}
641		1016
…		…
643	if (ref $_[0]) {	1018	if (ref $_[0]) {
644	_object_attach @_;	1019	_object_attach @_;
645	} else {	1020	} else {
646	_attach shift->_attach_registry, @_;	1021	_attach shift->_attach_registry, @_;
647	}	1022	}
		1023	_recalc_want;
648	};	1024	};
649		1025
650	# all those should be optimised	1026	# all those should be optimised
651	sub cf::attachable::detach {	1027	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	1028	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	1031	delete $obj->{_attachment}{$name};
656	reattach ($obj);	1032	reattach ($obj);
657	} else {	1033	} else {
658	Carp::croak "cannot, currently, detach class attachments";	1034	Carp::croak "cannot, currently, detach class attachments";
659	}	1035	}
		1036	_recalc_want;
660	};	1037	};
661		1038
662	sub cf::attachable::attached {	1039	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	1040	my ($obj, $name) = @_;
664		1041
…		…
679	";	1056	";
680	die if $@;	1057	die if $@;
681	}	1058	}
682		1059
683	our $override;	1060	our $override;
684	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1061	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685		1062
686	sub override {	1063	sub override {
687	$override = 1;	1064	$override = 1;
688	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
689	}	1066	}
690		1067
691	sub do_invoke {	1068	sub do_invoke {
692	my $event = shift;	1069	my $event = shift;
693	my $callbacks = shift;	1070	my $callbacks = shift;
694		1071
695	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
696		1073
697	local $override;	1074	local $override;
698		1075
699	for (@$callbacks) {	1076	for (@$callbacks) {
700	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
701		1078
702	if ($@) {	1079	if ($@) {
703	warn "$@";
704	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
705	override;	1081	override;
706	}	1082	}
707		1083
708	return 1 if $override;	1084	return 1 if $override;
709	}	1085	}
710		1086
711	0	1087	0
712	}	1088	}
713		1089
714	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715		1091
716	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717		1093
718	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
719		1095
720	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1096	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
721	removed in future versions), and there is no public API to access override	1097	removed in future versions), and there is no public API to access override
722	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		1099
724	=back	1100	=back
725		1101
726	=cut	1102	=cut
727		1103
728	#############################################################################	1104	#############################################################################
729	# object support	1105	# object support
		1106
		1107	sub _object_equal($$);
		1108	sub _object_equal($$) {
		1109	my ($a, $b) = @_;
		1110
		1111	return 0 unless (ref $a) eq (ref $b);
		1112
		1113	if ("HASH" eq ref $a) {
		1114	my @ka = keys %$a;
		1115	my @kb = keys %$b;
		1116
		1117	return 0 if @ka != @kb;
		1118
		1119	for (0 .. $#ka) {
		1120	return 0 unless $ka[$_] eq $kb[$_];
		1121	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1122	}
		1123
		1124	} elsif ("ARRAY" eq ref $a) {
		1125
		1126	return 0 if @$a != @$b;
		1127
		1128	for (0 .. $#$a) {
		1129	return 0 unless _object_equal $a->[$_], $b->[$_];
		1130	}
		1131
		1132	} elsif ($a ne $b) {
		1133	return 0;
		1134	}
		1135
		1136	1
		1137	}
		1138
		1139	our $SLOW_MERGES;#d#
		1140	sub _can_merge {
		1141	my ($ob1, $ob2) = @_;
		1142
		1143	++$SLOW_MERGES;#d#
		1144
		1145	# we do the slow way here
		1146	return _object_equal $ob1, $ob2
		1147	}
730		1148
731	sub reattach {	1149	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	1151	my ($obj) = @_;
734		1152
		1153	# no longer needed after getting rid of delete_package?
735	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1154	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
736		1155
737	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
738		1157
739	@$registry = ();	1158	@$registry = ();
740		1159
…		…
745	for (@$attach) {	1164	for (@$attach) {
746	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
747	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
748	}	1167	}
749	} else {	1168	} else {
750	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
751	}	1170	}
752	}	1171	}
753	}	1172	}
754		1173
755	cf::attachable->attach (	1174	cf::attachable->attach (
756	prio => -1000000,	1175	prio => -1000000,
757	on_instantiate => sub {	1176	on_instantiate => sub {
758	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
759		1178
760	$data = from_json $data;	1179	$data = decode_json $data;
761		1180
762	for (@$data) {	1181	for (@$data) {
763	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
764		1183
765	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
781	sub object_freezer_save {	1200	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
783		1202
784	sync_job {	1203	sync_job {
785	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
788		1209
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	aio_fsync $fh if $cf::USE_FSYNC;	1213	if ($cf::USE_FSYNC) {
		1214	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;
		1215	aio_fsync $fh;
		1216	}
793	close $fh;	1217	aio_close $fh;
794		1218
795	if (@$objs) {	1219	if (@$objs) {
796	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1220	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
797	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
798	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
800	aio_fsync $fh if $cf::USE_FSYNC;	1224	if ($cf::USE_FSYNC) {
		1225	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;
		1226	aio_fsync $fh;
		1227	}
801	close $fh;	1228	aio_close $fh;
802	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
803	}	1230	}
804	} else {	1231	} else {
805	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
806	}	1233	}
807		1234
808	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
809	} else {	1239	} else {
810	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
811	}	1241	}
812	} else {	1242	} else {
813	aio_unlink $filename;	1243	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
815	}	1245	}
816	}	1246	};
817	}	1247	}
818		1248
819	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
821		1251
…		…
833	or return;	1263	or return;
834		1264
835	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
837	or return;	1267	or return;
		1268
838	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
839	}	1271	}
840		1272
		1273	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
843	return ($data, $av);	1278	($data, $av)
844	}	1279	}
		1280
		1281	=head2 COMMAND CALLBACKS
		1282
		1283	=over 4
		1284
		1285	=cut
845		1286
846	#############################################################################	1287	#############################################################################
847	# command handling &c	1288	# command handling &c
848		1289
849	=item cf::register_command $name => \&callback($ob,$args);	1290	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1304	}
864		1305
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1307
867	Register a callbackf ro execution when the client sends an extcmd packet.	1308	Register a callback for execution when the client sends an (synchronous)
		1309	extcmd packet. Ext commands will be processed in the order they are
		1310	received by the server, like other user commands. The first argument is
		1311	the logged-in player. Ext commands can only be processed after a player
		1312	has logged in successfully.
868		1313
869	If the callback returns something, it is sent back as if reply was being	1314	If the callback returns something, it is sent back as if reply was being
870	called.	1315	called.
871		1316
		1317	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1318
		1319	Register a callback for execution when the client sends an (asynchronous)
		1320	exticmd packet. Exti commands are processed by the server as soon as they
		1321	are received, i.e. out of order w.r.t. other commands. The first argument
		1322	is a client socket. Exti commands can be received anytime, even before
		1323	log-in.
		1324
		1325	If the callback returns something, it is sent back as if reply was being
		1326	called.
		1327
872	=cut	1328	=cut
873		1329
874	sub register_extcmd {	1330	sub register_extcmd {
875	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
876		1332
877	$EXTCMD{$name} = $cb;	1333	$EXTCMD{$name} = $cb;
878	}	1334	}
879		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
		1343
880	cf::player->attach (	1344	cf::player->attach (
881	on_command => sub {	1345	on_unknown_command => sub {
882	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
883		1347
884	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
885	or return;	1349	or return;
886		1350
…		…
891	cf::override;	1355	cf::override;
892	},	1356	},
893	on_extcmd => sub {	1357	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
895		1359
896	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1361
898	if (ref $msg) {	1362	if (ref $msg) {
		1363	my ($type, $reply, @payload) =
		1364	"ARRAY" eq ref $msg
		1365	? @$msg
		1366	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1367
		1368	my @reply;
		1369
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
904	} else {	1377	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1379	}
907		1380
908	cf::override;	1381	cf::override;
909	},	1382	},
910	);	1383	);
911		1384
		1385	# "readahead" all extensions
912	sub load_extension {	1386	sub cache_extensions {
913	my ($path) = @_;	1387	my $grp = IO::AIO::aio_group;
914		1388
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
916	my $base = $1;	1390	for (grep /\.ext$/, @{$_[0]}) {
917	my $pkg = $1;	1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
918	$pkg =~ s/[^[:word:]]/_/g;
919	$pkg = "ext::$pkg";
920
921	warn "... loading '$path' into '$pkg'\n";
922
923	open my $fh, "<:utf8", $path
924	or die "$path: $!";
925
926	my $source =
927	"package $pkg; use strict; use utf8;\n"
928	. "#line 1 \"$path\"\n{\n"
929	. (do { local $/; <$fh> })
930	. "\n};\n1";
931
932	unless (eval $source) {
933	my $msg = $@ ? "$path: $@\n"
934	: "extension disabled.\n";
935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936	warn $@;
937	warn "mandatory extension failed to load, exiting.\n";
938	exit 1;
939	}	1392	}
940	die $@;
941	}	1393	};
942		1394
943	push @EXTS, $pkg;	1395	$grp
944	}	1396	}
945		1397
946	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
		1401	cf::sync_job {
		1402	my %todo;
		1403
947	for my $ext (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1405	next unless -r $path;
949	eval {	1406
950	load_extension $ext;	1407	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1408	my $base = $1;
		1409	my $pkg = $1;
		1410	$pkg =~ s/[^[:word:]]/_/g;
		1411	$pkg = "ext::$pkg";
		1412
		1413	open my $fh, "<:utf8", $path
		1414	or die "$path: $!";
		1415
		1416	my $source = do { local $/; <$fh> };
		1417
		1418	my %ext = (
		1419	path => $path,
		1420	base => $base,
		1421	pkg => $pkg,
		1422	);
		1423
		1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1426
		1427	$ext{source} =
		1428	"package $pkg; use common::sense;\n"
		1429	. "#line 1 \"$path\"\n{\n"
		1430	. $source
		1431	. "\n};\n1";
		1432
		1433	$todo{$base} = \%ext;
		1434	}
		1435
		1436	my $pass = 0;
		1437	my %done;
		1438	while (%todo) {
		1439	my $progress;
		1440
		1441	++$pass;
		1442
		1443	ext:
		1444	while (my ($k, $v) = each %todo) {
		1445	for (split /,\s*/, $v->{meta}{depends}) {
		1446	next ext
		1447	unless exists $done{$_};
		1448	}
		1449
		1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1451
		1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
		1455	error "$v->{path}: $@\n";
		1456	undef $@; # work around perl 5.10.0 utf-8 caching bug
		1457
		1458	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1459	if exists $v->{meta}{mandatory};
		1460
		1461	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1462	delete $todo{$k};
		1463	} else {
		1464	$done{$k} = delete $todo{$k};
		1465	push @EXTS, $v->{pkg};
		1466	$progress = 1;
		1467
		1468	info "$v->{base}: extension inactive.\n"
		1469	unless $active;
		1470	}
951	1	1471	}
952	} or warn "$ext not loaded: $@";	1472
		1473	unless ($progress) {
		1474	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1475
		1476	while (my ($k, $v) = each %todo) {
		1477	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1478	if exists $v->{meta}{mandatory};
		1479	}
		1480	}
		1481	}
953	}	1482	};
954	}	1483	}
955		1484
956	#############################################################################	1485	#############################################################################
957		1486
		1487	=back
		1488
958	=head2 CORE EXTENSIONS	1489	=head2 CORE EXTENSIONS
959		1490
960	Functions and methods that extend core crossfire objects.	1491	Functions and methods that extend core deliantra objects.
961		1492
962	=cut	1493	=cut
963		1494
964	package cf::player;	1495	package cf::player;
965		1496
966	use Coro::AIO;	1497	use Coro::AIO;
967		1498
968	=head3 cf::player	1499	=head3 cf::player
969		1500
970	=over 4	1501	=over 4
		1502
		1503	=item cf::player::num_playing
		1504
		1505	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1506
		1507	=cut
		1508
		1509	sub num_playing {
		1510	scalar grep
		1511	$_->ob->map
		1512	&& !$_->hidden
		1513	&& !$_->ob->flag (cf::FLAG_WIZ),
		1514	cf::player::list
		1515	}
971		1516
972	=item cf::player::find $login	1517	=item cf::player::find $login
973		1518
974	Returns the given player object, loading it if necessary (might block).	1519	Returns the given player object, loading it if necessary (might block).
975		1520
…		…
994		1539
995	sub exists($) {	1540	sub exists($) {
996	my ($login) = @_;	1541	my ($login) = @_;
997		1542
998	$cf::PLAYER{$login}	1543	$cf::PLAYER{$login}
999	or cf::sync_job { !aio_stat path $login }	1544	or !aio_stat path $login
1000	}	1545	}
1001		1546
1002	sub find($) {	1547	sub find($) {
1003	return $cf::PLAYER{$_[0]} || do {	1548	return $cf::PLAYER{$_[0]} || do {
1004	my $login = $_[0];	1549	my $login = $_[0];
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1556	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1557	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1558	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1559	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1560
1016	my $pl = load_pl path $login	1561	my $f = new_from_file cf::object::thawer path $login
1017	or return;	1562	or return;
		1563
		1564	my $pl = cf::player::load_pl $f
		1565	or return;
		1566
		1567	local $cf::PLAYER_LOADING{$login} = $pl;
		1568	$f->resolve_delayed_derefs;
1018	$cf::PLAYER{$login} = $pl	1569	$cf::PLAYER{$login} = $pl
1019	}	1570	}
1020	}	1571	}
1021	}	1572	}
		1573
		1574	cf::player->attach (
		1575	on_load => sub {
		1576	my ($pl, $path) = @_;
		1577
		1578	# restore slots saved in save, below
		1579	my $slots = delete $pl->{_slots};
		1580
		1581	$pl->ob->current_weapon ($slots->[0]);
		1582	$pl->combat_ob ($slots->[1]);
		1583	$pl->ranged_ob ($slots->[2]);
		1584	},
		1585	);
1022		1586
1023	sub save($) {	1587	sub save($) {
1024	my ($pl) = @_;	1588	my ($pl) = @_;
1025		1589
1026	return if $pl->{deny_save};	1590	return if $pl->{deny_save};
…		…
1031	return if $pl->{deny_save};	1595	return if $pl->{deny_save};
1032		1596
1033	aio_mkdir playerdir $pl, 0770;	1597	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1598	$pl->{last_save} = $cf::RUNTIME;
1035		1599
		1600	cf::get_slot 0.01;
		1601
		1602	# save slots, to be restored later
		1603	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1604
1036	$pl->save_pl ($path);	1605	$pl->save_pl ($path);
1037	Coro::cede;	1606	cf::cede_to_tick;
1038	}	1607	}
1039		1608
1040	sub new($) {	1609	sub new($) {
1041	my ($login) = @_;	1610	my ($login) = @_;
1042		1611
…		…
1048	$cf::PLAYER{$login} = $self;	1617	$cf::PLAYER{$login} = $self;
1049		1618
1050	$self	1619	$self
1051	}	1620	}
1052		1621
		1622	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1623
		1624	=cut
		1625
		1626	sub send_msg {
		1627	my $ns = shift->ns
		1628	or return;
		1629	$ns->send_msg (@_);
		1630	}
		1631
1053	=item $pl->quit_character	1632	=item $pl->quit_character
1054		1633
1055	Nukes the player without looking back. If logged in, the connection will	1634	Nukes the player without looking back. If logged in, the connection will
1056	be destroyed. May block for a long time.	1635	be destroyed. May block for a long time.
1057		1636
…		…
1061	my ($pl) = @_;	1640	my ($pl) = @_;
1062		1641
1063	my $name = $pl->ob->name;	1642	my $name = $pl->ob->name;
1064		1643
1065	$pl->{deny_save} = 1;	1644	$pl->{deny_save} = 1;
1066	$pl->password ("*"); # this should lock out the player until we nuked the dir	1645	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1067		1646
1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1647	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1069	$pl->deactivate;	1648	$pl->deactivate;
		1649	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1070	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1650	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1071	$pl->ns->destroy if $pl->ns;	1651	$pl->ns->destroy if $pl->ns;
1072		1652
1073	my $path = playerdir $pl;	1653	my $path = playerdir $pl;
1074	my $temp = "$path~$cf::RUNTIME~deleting~";	1654	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1110	or return [];	1690	or return [];
1111		1691
1112	my @logins;	1692	my @logins;
1113		1693
1114	for my $login (@$dirs) {	1694	for my $login (@$dirs) {
		1695	my $path = path $login;
		1696
		1697	# a .pst is a dead give-away for a valid player
		1698	# if no pst file found, open and chekc for blocked users
		1699	if (aio_stat "$path.pst") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1700	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1701	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1702	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1703	}
1118		1704
1119	utf8::decode $login;	1705	utf8::decode $login;
1120	push @logins, $login;	1706	push @logins, $login;
1121	}	1707	}
1122		1708
1123	\@logins	1709	\@logins
1124	}	1710	}
1125		1711
1126	=item $player->maps	1712	=item $player->maps
		1713
		1714	=item cf::player::maps $login
1127		1715
1128	Returns an arrayref of map paths that are private for this	1716	Returns an arrayref of map paths that are private for this
1129	player. May block.	1717	player. May block.
1130		1718
1131	=cut	1719	=cut
…		…
1149	}	1737	}
1150		1738
1151	\@paths	1739	\@paths
1152	}	1740	}
1153		1741
		1742	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1743
		1744	Expand deliantra pod fragments into protocol xml.
		1745
1154	=item $player->ext_reply ($msgid, %msg)	1746	=item $player->ext_reply ($msgid, @msg)
1155		1747
1156	Sends an ext reply to the player.	1748	Sends an ext reply to the player.
1157		1749
1158	=cut	1750	=cut
1159		1751
1160	sub ext_reply($$%) {	1752	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1753	my ($self, $id, @msg) = @_;
1162		1754
1163	$msg{msgid} = $id;	1755	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1756	}
1167		1757
1168	=item $player->ext_event ($type, %msg)	1758	=item $player->ext_msg ($type, @msg)
1169		1759
1170	Sends an ext event to the client.	1760	Sends an ext event to the client.
1171		1761
1172	=cut	1762	=cut
1173		1763
1174	sub ext_event($$%) {	1764	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1765	my ($self, $type, @msg) = @_;
1176		1766
1177	$self->ns->ext_event ($type, %msg);	1767	$self->ns->ext_msg ($type, @msg);
1178	}	1768	}
1179		1769
1180	=head3 cf::region	1770	=head3 cf::region
1181		1771
1182	=over 4	1772	=over 4
…		…
1185		1775
1186	package cf::region;	1776	package cf::region;
1187		1777
1188	=item cf::region::find_by_path $path	1778	=item cf::region::find_by_path $path
1189		1779
1190	Tries to decuce the probable region for a map knowing only its path.	1780	Tries to decuce the likely region for a map knowing only its path.
1191		1781
1192	=cut	1782	=cut
1193		1783
1194	sub find_by_path($) {	1784	sub find_by_path($) {
1195	my ($path) = @_;	1785	my ($path) = @_;
1196		1786
		1787	$path =~ s/^~[^\/]*//; # skip ~login
		1788
1197	my ($match, $specificity);	1789	my ($match, $specificity);
1198		1790
1199	for my $region (list) {	1791	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1792	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1793	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1794	if $region->specificity > $specificity;
1203	}	1795	}
1204	}	1796	}
1205		1797
…		…
1226	our $MAX_RESET = 3600;	1818	our $MAX_RESET = 3600;
1227	our $DEFAULT_RESET = 3000;	1819	our $DEFAULT_RESET = 3000;
1228		1820
1229	sub generate_random_map {	1821	sub generate_random_map {
1230	my ($self, $rmp) = @_;	1822	my ($self, $rmp) = @_;
		1823
		1824	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1825
1231	# mit "rum" bekleckern, nicht	1826	# mit "rum" bekleckern, nicht
1232	$self->_create_random_map (	1827	$self->_create_random_map (
1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1828	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1829	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1830	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1236	$rmp->{exit_on_final_map},	1831	$rmp->{exit_on_final_map},
1237	$rmp->{xsize}, $rmp->{ysize},	1832	$rmp->{xsize}, $rmp->{ysize},
1238	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1833	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1239	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1834	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1261		1856
1262	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1857	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1263	}	1858	}
1264		1859
1265	# also paths starting with '/'	1860	# also paths starting with '/'
1266	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1861	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1267		1862
1268	sub thawer_merge {	1863	sub thawer_merge {
1269	my ($self, $merge) = @_;	1864	my ($self, $merge) = @_;
1270		1865
1271	# we have to keep some variables in memory intact	1866	# we have to keep some variables in memory intact
1272	local $self->{path};	1867	local $self->{path};
1273	local $self->{load_path};	1868	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1869
1277	$self->SUPER::thawer_merge ($merge);	1870	$self->SUPER::thawer_merge ($merge);
1278	}	1871	}
1279		1872
1280	sub normalise {	1873	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1920	$self->init; # pass $1 etc.
1328	return $self;	1921	return $self;
1329	}	1922	}
1330	}	1923	}
1331		1924
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1925	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1926	()
1334	}	1927	}
1335		1928
1336	sub init {	1929	sub init {
1337	my ($self) = @_;	1930	my ($self) = @_;
…		…
1359		1952
1360	# the temporary/swap location	1953	# the temporary/swap location
1361	sub save_path {	1954	sub save_path {
1362	my ($self) = @_;	1955	my ($self) = @_;
1363		1956
1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1957	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365	"$TMPDIR/$path.map"	1958	"$TMPDIR/$path.map"
1366	}	1959	}
1367		1960
1368	# the unique path, undef == no special unique path	1961	# the unique path, undef == no special unique path
1369	sub uniq_path {	1962	sub uniq_path {
1370	my ($self) = @_;	1963	my ($self) = @_;
1371		1964
1372	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1965	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373	"$UNIQUEDIR/$path"	1966	"$UNIQUEDIR/$path"
1374	}	1967	}
1375		1968
1376	# and all this just because we cannot iterate over	1969	sub decay_objects {
1377	# all maps in C++...
1378	sub change_all_map_light {
1379	my ($change) = @_;	1970	my ($self) = @_;
1380		1971
1381	$_->change_map_light ($change)	1972	return if $self->{deny_reset};
1382	for grep $_->outdoor, values %cf::MAP;	1973
		1974	$self->do_decay_objects;
1383	}	1975	}
1384		1976
1385	sub unlink_save {	1977	sub unlink_save {
1386	my ($self) = @_;	1978	my ($self) = @_;
1387		1979
…		…
1392		1984
1393	sub load_header_from($) {	1985	sub load_header_from($) {
1394	my ($self, $path) = @_;	1986	my ($self, $path) = @_;
1395		1987
1396	utf8::encode $path;	1988	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	1989	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	1990	or return;
		1991
		1992	$self->_load_header ($f)
		1993	or return;
		1994
		1995	local $MAP_LOADING{$self->{path}} = $self;
		1996	$f->resolve_delayed_derefs;
1402		1997
1403	$self->{load_path} = $path;	1998	$self->{load_path} = $path;
1404		1999
1405	1	2000	1
1406	}	2001	}
…		…
1445	$self->load_header_orig	2040	$self->load_header_orig
1446	or return;	2041	or return;
1447	$self->prepare_orig;	2042	$self->prepare_orig;
1448	}	2043	}
1449		2044
		2045	$self->{deny_reset} = 1
		2046	if $self->no_reset;
		2047
1450	$self->default_region (cf::region::find_by_path $self->{path})	2048	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	2049	unless $self->default_region;
1452		2050
1453	1	2051	1
1454	}	2052	}
…		…
1457	sub find {	2055	sub find {
1458	my ($path, $origin) = @_;	2056	my ($path, $origin) = @_;
1459		2057
1460	$path = normalise $path, $origin && $origin->path;	2058	$path = normalise $path, $origin && $origin->path;
1461		2059
		2060	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	2061	my $guard2 = cf::lock_acquire "map_find:$path";
1463		2062
1464	$cf::MAP{$path} || do {	2063	$cf::MAP{$path} || do {
1465	my $guard = cf::lock_acquire "map_find:$path";
1466	my $map = new_from_path cf::map $path	2064	my $map = new_from_path cf::map $path
1467	or return;	2065	or return;
1468		2066
1469	$map->{last_save} = $cf::RUNTIME;	2067	$map->{last_save} = $cf::RUNTIME;
1470		2068
1471	$map->load_header	2069	$map->load_header
1472	or return;	2070	or return;
1473		2071
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2072	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	2073	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	2074	#$cf::WAIT_FOR_TICK->wait;
		2075	undef $guard2;
		2076	undef $guard1;
1477	$map->reset;	2077	$map->reset;
1478	undef $guard;
1479	return find $path;	2078	return find $path;
1480	}	2079	}
1481		2080
1482	$cf::MAP{$path} = $map	2081	$cf::MAP{$path} = $map
1483	}	2082	}
1484	}	2083	}
1485		2084
1486	sub pre_load { }	2085	sub pre_load { }
1487	sub post_load { }	2086	#sub post_load { } # XS
1488		2087
1489	sub load {	2088	sub load {
1490	my ($self) = @_;	2089	my ($self) = @_;
1491		2090
1492	local $self->{deny_reset} = 1; # loading can take a long time	2091	local $self->{deny_reset} = 1; # loading can take a long time
1493		2092
1494	my $path = $self->{path};	2093	my $path = $self->{path};
1495		2094
1496	{	2095	{
1497	my $guard = cf::lock_acquire "map_load:$path";	2096	my $guard = cf::lock_acquire "map_data:$path";
1498		2097
		2098	return unless $self->valid;
1499	return if $self->in_memory != cf::MAP_SWAPPED;	2099	return unless $self->in_memory == cf::MAP_SWAPPED;
1500		2100
1501	$self->in_memory (cf::MAP_LOADING);	2101	$self->in_memory (cf::MAP_LOADING);
1502		2102
1503	$self->alloc;	2103	$self->alloc;
1504		2104
1505	$self->pre_load;	2105	$self->pre_load;
1506	Coro::cede;	2106	cf::cede_to_tick;
1507		2107
		2108	my $f = new_from_file cf::object::thawer $self->{load_path};
		2109	$f->skip_block;
1508	$self->_load_objects ($self->{load_path}, 1)	2110	$self->_load_objects ($f)
1509	or return;	2111	or return;
1510		2112
1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2113	$self->post_load_original
1512	if delete $self->{load_original};	2114	if delete $self->{load_original};
1513		2115
1514	if (my $uniq = $self->uniq_path) {	2116	if (my $uniq = $self->uniq_path) {
1515	utf8::encode $uniq;	2117	utf8::encode $uniq;
1516	if (aio_open $uniq, O_RDONLY, 0) {	2118	unless (aio_stat $uniq) {
		2119	if (my $f = new_from_file cf::object::thawer $uniq) {
1517	$self->clear_unique_items;	2120	$self->clear_unique_items;
1518	$self->_load_objects ($uniq, 0);	2121	$self->_load_objects ($f);
		2122	$f->resolve_delayed_derefs;
		2123	}
1519	}	2124	}
1520	}	2125	}
1521		2126
1522	Coro::cede;	2127	$f->resolve_delayed_derefs;
		2128
		2129	cf::cede_to_tick;
1523	# now do the right thing for maps	2130	# now do the right thing for maps
1524	$self->link_multipart_objects;	2131	$self->link_multipart_objects;
1525	$self->difficulty ($self->estimate_difficulty)	2132	$self->difficulty ($self->estimate_difficulty)
1526	unless $self->difficulty;	2133	unless $self->difficulty;
1527	Coro::cede;	2134	cf::cede_to_tick;
1528		2135
1529	unless ($self->{deny_activate}) {	2136	unless ($self->{deny_activate}) {
1530	$self->decay_objects;	2137	$self->decay_objects;
1531	$self->fix_auto_apply;	2138	$self->fix_auto_apply;
1532	$self->update_buttons;	2139	$self->update_buttons;
1533	Coro::cede;	2140	cf::cede_to_tick;
1534	$self->set_darkness_map;
1535	Coro::cede;
1536	$self->activate;	2141	$self->activate;
1537	}	2142	}
1538		2143
		2144	$self->{last_save} = $cf::RUNTIME;
		2145	$self->last_access ($cf::RUNTIME);
		2146
1539	$self->in_memory (cf::MAP_IN_MEMORY);	2147	$self->in_memory (cf::MAP_ACTIVE);
1540
1541	undef $guard;
1542	}	2148	}
1543		2149
1544	$self->post_load;	2150	$self->post_load;
1545	}	2151	}
1546		2152
		2153	# customize the map for a given player, i.e.
		2154	# return the _real_ map. used by e.g. per-player
		2155	# maps to change the path to ~playername/mappath
1547	sub customise_for {	2156	sub customise_for {
1548	my ($self, $ob) = @_;	2157	my ($self, $ob) = @_;
1549		2158
1550	return find "~" . $ob->name . "/" . $self->{path}	2159	return find "~" . $ob->name . "/" . $self->{path}
1551	if $self->per_player;	2160	if $self->per_player;
1552		2161
		2162	# return find "?party/" . $ob->name . "/" . $self->{path}
		2163	# if $self->per_party;
		2164
1553	$self	2165	$self
1554	}	2166	}
1555		2167
1556	# find and load all maps in the 3x3 area around a map	2168	# find and load all maps in the 3x3 area around a map
1557	sub load_diag {	2169	sub load_neighbours {
1558	my ($map) = @_;	2170	my ($map) = @_;
1559		2171
1560	my @diag; # diagonal neighbours	2172	my @neigh; # diagonal neighbours
1561		2173
1562	for (0 .. 3) {	2174	for (0 .. 3) {
1563	my $neigh = $map->tile_path ($_)	2175	my $neigh = $map->tile_path ($_)
1564	or next;	2176	or next;
1565	$neigh = find $neigh, $map	2177	$neigh = find $neigh, $map
1566	or next;	2178	or next;
1567	$neigh->load;	2179	$neigh->load;
1568		2180
		2181	# now find the diagonal neighbours
		2182	push @neigh,
1569	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2183	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1570	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2184	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1571	}	2185	}
1572		2186
1573	for (@diag) {	2187	for (grep defined $_->[0], @neigh) {
		2188	my ($path, $origin) = @$_;
1574	my $neigh = find @$_	2189	my $neigh = find $path, $origin
1575	or next;	2190	or next;
1576	$neigh->load;	2191	$neigh->load;
1577	}	2192	}
1578	}	2193	}
1579		2194
1580	sub find_sync {	2195	sub find_sync {
1581	my ($path, $origin) = @_;	2196	my ($path, $origin) = @_;
1582		2197
1583	cf::sync_job { find $path, $origin }	2198	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2199	if $Coro::current == $Coro::main;
		2200
		2201	find $path, $origin
1584	}	2202	}
1585		2203
1586	sub do_load_sync {	2204	sub do_load_sync {
1587	my ($map) = @_;	2205	my ($map) = @_;
1588		2206
1589	cf::sync_job { $map->load };	2207	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2208	if $Coro::current == $Coro::main;
		2209
		2210	$map->load;
1590	}	2211	}
1591		2212
1592	our %MAP_PREFETCH;	2213	our %MAP_PREFETCH;
1593	our $MAP_PREFETCHER = undef;	2214	our $MAP_PREFETCHER = undef;
1594		2215
1595	sub find_async {	2216	sub find_async {
1596	my ($path, $origin) = @_;	2217	my ($path, $origin, $load) = @_;
1597		2218
1598	$path = normalise $path, $origin && $origin->{path};	2219	$path = normalise $path, $origin && $origin->{path};
1599		2220
1600	if (my $map = $cf::MAP{$path}) {	2221	if (my $map = $cf::MAP{$path}) {
1601	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2222	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1602	}	2223	}
1603		2224
1604	undef $MAP_PREFETCH{$path};	2225	$MAP_PREFETCH{$path} |= $load;
		2226
1605	$MAP_PREFETCHER ||= cf::async {	2227	$MAP_PREFETCHER ||= cf::async {
		2228	$Coro::current->{desc} = "map prefetcher";
		2229
1606	while (%MAP_PREFETCH) {	2230	while (%MAP_PREFETCH) {
1607	for my $path (keys %MAP_PREFETCH) {	2231	while (my ($k, $v) = each %MAP_PREFETCH) {
1608	my $map = find $path	2232	if (my $map = find $k) {
1609	or next;
1610	$map->load;	2233	$map->load if $v;
		2234	}
1611		2235
1612	delete $MAP_PREFETCH{$path};	2236	delete $MAP_PREFETCH{$k};
1613	}	2237	}
1614	}	2238	}
1615	undef $MAP_PREFETCHER;	2239	undef $MAP_PREFETCHER;
1616	};	2240	};
1617	$MAP_PREFETCHER->prio (6);	2241	$MAP_PREFETCHER->prio (6);
1618		2242
1619	()	2243	()
1620	}	2244	}
1621		2245
		2246	# common code, used by both ->save and ->swapout
1622	sub save {	2247	sub _save {
1623	my ($self) = @_;	2248	my ($self) = @_;
1624
1625	my $lock = cf::lock_acquire "map_data:" . $self->path;
1626		2249
1627	$self->{last_save} = $cf::RUNTIME;	2250	$self->{last_save} = $cf::RUNTIME;
1628		2251
1629	return unless $self->dirty;	2252	return unless $self->dirty;
1630		2253
…		…
1636	return if $self->{deny_save};	2259	return if $self->{deny_save};
1637		2260
1638	local $self->{last_access} = $self->last_access;#d#	2261	local $self->{last_access} = $self->last_access;#d#
1639		2262
1640	cf::async {	2263	cf::async {
		2264	$Coro::current->{desc} = "map player save";
1641	$_->contr->save for $self->players;	2265	$_->contr->save for $self->players;
1642	};	2266	};
		2267
		2268	cf::get_slot 0.02;
1643		2269
1644	if ($uniq) {	2270	if ($uniq) {
1645	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2271	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1646	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2272	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1647	} else {	2273	} else {
1648	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2274	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1649	}	2275	}
1650	}	2276	}
1651		2277
		2278	sub save {
		2279	my ($self) = @_;
		2280
		2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2282
		2283	$self->_save;
		2284	}
		2285
1652	sub swap_out {	2286	sub swap_out {
1653	my ($self) = @_;	2287	my ($self) = @_;
1654		2288
1655	# save first because save cedes
1656	$self->save;
1657
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
1659		2290
		2291	return if $self->in_memory != cf::MAP_ACTIVE;
		2292	return if $self->{deny_save};
1660	return if $self->players;	2293	return if $self->players;
1661	return if $self->in_memory != cf::MAP_IN_MEMORY;
1662	return if $self->{deny_save};
1663		2294
		2295	# first deactivate the map and "unlink" it from the core
		2296	$self->deactivate;
		2297	$_->clear_links_to ($self) for values %cf::MAP;
		2298	$self->in_memory (cf::MAP_SWAPPED);
		2299
		2300	# then atomically save
		2301	$self->_save;
		2302
		2303	# then free the map
1664	$self->clear;	2304	$self->clear;
1665	$self->in_memory (cf::MAP_SWAPPED);
1666	}	2305	}
1667		2306
1668	sub reset_at {	2307	sub reset_at {
1669	my ($self) = @_;	2308	my ($self) = @_;
1670		2309
1671	# TODO: safety, remove and allow resettable per-player maps	2310	# TODO: safety, remove and allow resettable per-player maps
1672	return 1e99 if $self->isa ("ext::map_per_player");#d#
1673	return 1e99 if $self->{deny_reset};	2311	return 1e99 if $self->{deny_reset};
1674		2312
1675	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2313	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1676	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2314	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1677		2315
…		…
1688	my ($self) = @_;	2326	my ($self) = @_;
1689		2327
1690	my $lock = cf::lock_acquire "map_data:$self->{path}";	2328	my $lock = cf::lock_acquire "map_data:$self->{path}";
1691		2329
1692	return if $self->players;	2330	return if $self->players;
1693	return if $self->isa ("ext::map_per_player");#d#
1694		2331
1695	warn "resetting map ", $self->path;#d#	2332	cf::trace "resetting map ", $self->path, "\n";
1696		2333
1697	$self->in_memory (cf::MAP_SWAPPED);	2334	$self->in_memory (cf::MAP_SWAPPED);
1698		2335
1699	# need to save uniques path	2336	# need to save uniques path
1700	unless ($self->{deny_save}) {	2337	unless ($self->{deny_save}) {
…		…
1704	if $uniq;	2341	if $uniq;
1705	}	2342	}
1706		2343
1707	delete $cf::MAP{$self->path};	2344	delete $cf::MAP{$self->path};
1708		2345
		2346	$self->deactivate;
		2347	$_->clear_links_to ($self) for values %cf::MAP;
1709	$self->clear;	2348	$self->clear;
1710
1711	$_->clear_links_to ($self) for values %cf::MAP;
1712		2349
1713	$self->unlink_save;	2350	$self->unlink_save;
1714	$self->destroy;	2351	$self->destroy;
1715	}	2352	}
1716		2353
1717	my $nuke_counter = "aaaa";	2354	my $nuke_counter = "aaaa";
1718		2355
1719	sub nuke {	2356	sub nuke {
1720	my ($self) = @_;	2357	my ($self) = @_;
1721		2358
		2359	{
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
1722	delete $cf::MAP{$self->path};	2362	delete $cf::MAP{$self->path};
1723		2363
1724	$self->unlink_save;	2364	$self->unlink_save;
1725		2365
1726	bless $self, "cf::map";	2366	bless $self, "cf::map::wrap";
1727	delete $self->{deny_reset};	2367	delete $self->{deny_reset};
1728	$self->{deny_save} = 1;	2368	$self->{deny_save} = 1;
1729	$self->reset_timeout (1);	2369	$self->reset_timeout (1);
1730	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2370	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1731		2371
1732	$cf::MAP{$self->path} = $self;	2372	$cf::MAP{$self->path} = $self;
		2373	}
1733		2374
1734	$self->reset; # polite request, might not happen	2375	$self->reset; # polite request, might not happen
		2376	}
		2377
		2378	=item $maps = cf::map::tmp_maps
		2379
		2380	Returns an arrayref with all map paths of currently instantiated and saved
		2381	maps. May block.
		2382
		2383	=cut
		2384
		2385	sub tmp_maps() {
		2386	[
		2387	map {
		2388	utf8::decode $_;
		2389	/\.map$/
		2390	? normalise $_
		2391	: ()
		2392	} @{ aio_readdir $TMPDIR or [] }
		2393	]
		2394	}
		2395
		2396	=item $maps = cf::map::random_maps
		2397
		2398	Returns an arrayref with all map paths of currently instantiated and saved
		2399	random maps. May block.
		2400
		2401	=cut
		2402
		2403	sub random_maps() {
		2404	[
		2405	map {
		2406	utf8::decode $_;
		2407	/\.map$/
		2408	? normalise "?random/$_"
		2409	: ()
		2410	} @{ aio_readdir $RANDOMDIR or [] }
		2411	]
1735	}	2412	}
1736		2413
1737	=item cf::map::unique_maps	2414	=item cf::map::unique_maps
1738		2415
1739	Returns an arrayref of paths of all shared maps that have	2416	Returns an arrayref of paths of all shared maps that have
1740	instantiated unique items. May block.	2417	instantiated unique items. May block.
1741		2418
1742	=cut	2419	=cut
1743		2420
1744	sub unique_maps() {	2421	sub unique_maps() {
1745	my $files = aio_readdir $UNIQUEDIR	2422	[
1746	or return;	2423	map {
1747
1748	my @paths;
1749
1750	for (@$files) {
1751	utf8::decode $_;	2424	utf8::decode $_;
1752	next if /\.pst$/;	2425	s/\.map$//; # TODO future compatibility hack
1753	next unless /^$PATH_SEP/o;	2426	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1754		2427	? ()
1755	push @paths, cf::map::normalise $_;	2428	: normalise $_
		2429	} @{ aio_readdir $UNIQUEDIR or [] }
1756	}	2430	]
1757
1758	\@paths
1759	}	2431	}
1760		2432
1761	package cf;	2433	=item cf::map::static_maps
		2434
		2435	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2436	file in the shared directory excluding F</styles> and F</editor>). May
		2437	block.
		2438
		2439	=cut
		2440
		2441	sub static_maps() {
		2442	my @dirs = "";
		2443	my @maps;
		2444
		2445	while (@dirs) {
		2446	my $dir = shift @dirs;
		2447
		2448	next if $dir eq "/styles" || $dir eq "/editor";
		2449
		2450	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2451	or return;
		2452
		2453	for (@$files) {
		2454	s/\.map$// or next;
		2455	utf8::decode $_;
		2456	push @maps, "$dir/$_";
		2457	}
		2458
		2459	push @dirs, map "$dir/$_", @$dirs;
		2460	}
		2461
		2462	\@maps
		2463	}
1762		2464
1763	=back	2465	=back
1764		2466
1765	=head3 cf::object	2467	=head3 cf::object
1766		2468
…		…
1770		2472
1771	=over 4	2473	=over 4
1772		2474
1773	=item $ob->inv_recursive	2475	=item $ob->inv_recursive
1774		2476
1775	Returns the inventory of the object _and_ their inventories, recursively.	2477	Returns the inventory of the object I<and> their inventories, recursively,
		2478	but I<not> the object itself.
1776		2479
1777	=cut	2480	=cut
1778		2481
1779	sub inv_recursive_;	2482	sub inv_recursive_;
1780	sub inv_recursive_ {	2483	sub inv_recursive_ {
…		…
1783		2486
1784	sub inv_recursive {	2487	sub inv_recursive {
1785	inv_recursive_ inv $_[0]	2488	inv_recursive_ inv $_[0]
1786	}	2489	}
1787		2490
		2491	=item $ref = $ob->ref
		2492
		2493	Creates and returns a persistent reference to an object that can be stored as a string.
		2494
		2495	=item $ob = cf::object::deref ($refstring)
		2496
		2497	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2498	even if the object actually exists. May block.
		2499
		2500	=cut
		2501
		2502	sub deref {
		2503	my ($ref) = @_;
		2504
		2505	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2506	my ($uuid, $name) = ($1, $2);
		2507	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2508	or return;
		2509	$pl->ob->uuid eq $uuid
		2510	or return;
		2511
		2512	$pl->ob
		2513	} else {
		2514	warn "$ref: cannot resolve object reference\n";
		2515	undef
		2516	}
		2517	}
		2518
1788	package cf;	2519	package cf;
1789		2520
1790	=back	2521	=back
1791		2522
1792	=head3 cf::object::player	2523	=head3 cf::object::player
…		…
1798	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2529	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1799	can be C<undef>. Does the right thing when the player is currently in a	2530	can be C<undef>. Does the right thing when the player is currently in a
1800	dialogue with the given NPC character.	2531	dialogue with the given NPC character.
1801		2532
1802	=cut	2533	=cut
		2534
		2535	our $SAY_CHANNEL = {
		2536	id => "say",
		2537	title => "Map",
		2538	reply => "say ",
		2539	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2540	};
		2541
		2542	our $CHAT_CHANNEL = {
		2543	id => "chat",
		2544	title => "Chat",
		2545	reply => "chat ",
		2546	tooltip => "Player chat and shouts, global to the server.",
		2547	};
1803		2548
1804	# rough implementation of a future "reply" method that works	2549	# rough implementation of a future "reply" method that works
1805	# with dialog boxes.	2550	# with dialog boxes.
1806	#TODO: the first argument must go, split into a $npc->reply_to ( method	2551	#TODO: the first argument must go, split into a $npc->reply_to ( method
1807	sub cf::object::player::reply($$$;$) {	2552	sub cf::object::player::reply($$$;$) {
…		…
1809		2554
1810	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2555	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1811		2556
1812	if ($self->{record_replies}) {	2557	if ($self->{record_replies}) {
1813	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2558	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2559
1814	} else {	2560	} else {
		2561	my $pl = $self->contr;
		2562
		2563	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2564	my $dialog = $pl->{npc_dialog};
		2565	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2566
		2567	} else {
1815	$msg = $npc->name . " says: $msg" if $npc;	2568	$msg = $npc->name . " says: $msg" if $npc;
1816	$self->message ($msg, $flags);	2569	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2570	}
1817	}	2571	}
		2572	}
		2573
		2574	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2575
		2576	=cut
		2577
		2578	sub cf::object::send_msg {
		2579	my $pl = shift->contr
		2580	or return;
		2581	$pl->send_msg (@_);
1818	}	2582	}
1819		2583
1820	=item $player_object->may ("access")	2584	=item $player_object->may ("access")
1821		2585
1822	Returns wether the given player is authorized to access resource "access"	2586	Returns wether the given player is authorized to access resource "access"
…		…
1835		2599
1836	=item $player_object->enter_link	2600	=item $player_object->enter_link
1837		2601
1838	Freezes the player and moves him/her to a special map (C<{link}>).	2602	Freezes the player and moves him/her to a special map (C<{link}>).
1839		2603
1840	The player should be reasonably safe there for short amounts of time. You	2604	The player should be reasonably safe there for short amounts of time (e.g.
1841	I<MUST> call C<leave_link> as soon as possible, though.	2605	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2606	though, as the player cannot control the character while it is on the link
		2607	map.
1842		2608
1843	Will never block.	2609	Will never block.
1844		2610
1845	=item $player_object->leave_link ($map, $x, $y)	2611	=item $player_object->leave_link ($map, $x, $y)
1846		2612
…		…
1866	sub cf::object::player::enter_link {	2632	sub cf::object::player::enter_link {
1867	my ($self) = @_;	2633	my ($self) = @_;
1868		2634
1869	$self->deactivate_recursive;	2635	$self->deactivate_recursive;
1870		2636
		2637	++$self->{_link_recursion};
		2638
1871	return if UNIVERSAL::isa $self->map, "ext::map_link";	2639	return if UNIVERSAL::isa $self->map, "ext::map_link";
1872		2640
1873	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2641	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1874	if $self->map;	2642	if $self->map && $self->map->{path} ne "{link}";
1875		2643
1876	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2644	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1877	}	2645	}
1878		2646
1879	sub cf::object::player::leave_link {	2647	sub cf::object::player::leave_link {
1880	my ($self, $map, $x, $y) = @_;	2648	my ($self, $map, $x, $y) = @_;
		2649
		2650	return unless $self->contr->active;
1881		2651
1882	my $link_pos = delete $self->{_link_pos};	2652	my $link_pos = delete $self->{_link_pos};
1883		2653
1884	unless ($map) {	2654	unless ($map) {
1885	# restore original map position	2655	# restore original map position
…		…
1896	($x, $y) = (-1, -1)	2666	($x, $y) = (-1, -1)
1897	unless (defined $x) && (defined $y);	2667	unless (defined $x) && (defined $y);
1898		2668
1899	# use -1 or undef as default coordinates, not 0, 0	2669	# use -1 or undef as default coordinates, not 0, 0
1900	($x, $y) = ($map->enter_x, $map->enter_y)	2670	($x, $y) = ($map->enter_x, $map->enter_y)
1901	if $x <=0 && $y <= 0;	2671	if $x <= 0 && $y <= 0;
1902		2672
1903	$map->load;	2673	$map->load;
1904	$map->load_diag;	2674	$map->load_neighbours;
1905		2675
1906	return unless $self->contr->active;	2676	return unless $self->contr->active;
1907	$self->activate_recursive;
1908		2677
1909	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2678	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1910	$self->enter_map ($map, $x, $y);	2679	if ($self->enter_map ($map, $x, $y)) {
1911	}	2680	# entering was successful
1912		2681	delete $self->{_link_recursion};
1913	cf::player->attach (	2682	# only activate afterwards, to support waiting in hooks
1914	on_logout => sub {	2683	$self->activate_recursive;
1915	my ($pl) = @_;
1916
1917	# abort map switching before logout
1918	if ($pl->ob->{_link_pos}) {
1919	cf::sync_job {
1920	$pl->ob->leave_link
1921	};
1922	}
1923	},	2684	}
1924	on_login => sub {
1925	my ($pl) = @_;
1926		2685
1927	# try to abort aborted map switching on player login :)	2686	}
1928	# should happen only on crashes
1929	if ($pl->ob->{_link_pos}) {
1930	$pl->ob->enter_link;
1931	(async {
1932	$pl->ob->reply (undef,
1933	"There was an internal problem at your last logout, "
1934	. "the server will try to bring you to your intended destination in a second.",
1935	cf::NDI_RED);
1936	# we need this sleep as the login has a concurrent enter_exit running
1937	# and this sleep increases chances of the player not ending up in scorn
1938	Coro::Timer::sleep 1;
1939	$pl->ob->leave_link;
1940	})->prio (2);
1941	}
1942	},
1943	);
1944		2687
1945	=item $player_object->goto ($path, $x, $y)	2688	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1946		2689
		2690	Moves the player to the given map-path and coordinates by first freezing
		2691	her, loading and preparing them map, calling the provided $check callback
		2692	that has to return the map if sucecssful, and then unfreezes the player on
		2693	the new (success) or old (failed) map position. In either case, $done will
		2694	be called at the end of this process.
		2695
		2696	Note that $check will be called with a potentially non-loaded map, so if
		2697	it needs a loaded map it has to call C<< ->load >>.
		2698
1947	=cut	2699	=cut
		2700
		2701	our $GOTOGEN;
1948		2702
1949	sub cf::object::player::goto {	2703	sub cf::object::player::goto {
1950	my ($self, $path, $x, $y) = @_;	2704	my ($self, $path, $x, $y, $check, $done) = @_;
		2705
		2706	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2707	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2708	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2709	($path, $x, $y) = @$EMERGENCY_POSITION;
		2710	}
		2711
		2712	# do generation counting so two concurrent goto's will be executed in-order
		2713	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1951		2714
1952	$self->enter_link;	2715	$self->enter_link;
1953		2716
1954	(async {	2717	(async {
		2718	$Coro::current->{desc} = "player::goto $path $x $y";
		2719
		2720	# *tag paths override both path and x|y
		2721	if ($path =~ /^\*(.*)$/) {
		2722	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2723	my $ob = $obs[rand @obs];
		2724
		2725	# see if we actually can go there
		2726	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2727	$ob = $obs[rand @obs];
		2728	} else {
		2729	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2730	}
		2731	# else put us there anyways for now #d#
		2732
		2733	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2734	} else {
		2735	($path, $x, $y) = (undef, undef, undef);
		2736	}
		2737	}
		2738
1955	my $map = eval {	2739	my $map = eval {
1956	my $map = cf::map::find $path;	2740	my $map = defined $path ? cf::map::find $path : undef;
		2741
		2742	if ($map) {
1957	$map = $map->customise_for ($self) if $map;	2743	$map = $map->customise_for ($self);
		2744	$map = $check->($map, $x, $y, $self) if $check && $map;
		2745	} else {
		2746	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2747	}
		2748
1958	$map	2749	$map
		2750	};
		2751
		2752	if ($@) {
		2753	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2754	LOG llevError | logBacktrace, Carp::longmess $@;
1959	} or	2755	}
1960	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1961		2756
		2757	if ($gen == $self->{_goto_generation}) {
		2758	delete $self->{_goto_generation};
1962	$self->leave_link ($map, $x, $y);	2759	$self->leave_link ($map, $x, $y);
		2760	}
		2761
		2762	$done->($self) if $done;
1963	})->prio (1);	2763	})->prio (1);
1964	}	2764	}
1965		2765
1966	=item $player_object->enter_exit ($exit_object)	2766	=item $player_object->enter_exit ($exit_object)
1967		2767
…		…
1987	}	2787	}
1988		2788
1989	sub prepare_random_map {	2789	sub prepare_random_map {
1990	my ($exit) = @_;	2790	my ($exit) = @_;
1991		2791
1992	my $guard = cf::lock_acquire "exit_prepare:$exit";
1993
1994	# all this does is basically replace the /! path by	2792	# all this does is basically replace the /! path by
1995	# a new random map path (?random/...) with a seed	2793	# a new random map path (?random/...) with a seed
1996	# that depends on the exit object	2794	# that depends on the exit object
1997		2795
1998	my $rmp = parse_random_map_params $exit->msg;	2796	my $rmp = parse_random_map_params $exit->msg;
…		…
2000	if ($exit->map) {	2798	if ($exit->map) {
2001	$rmp->{region} = $exit->region->name;	2799	$rmp->{region} = $exit->region->name;
2002	$rmp->{origin_map} = $exit->map->path;	2800	$rmp->{origin_map} = $exit->map->path;
2003	$rmp->{origin_x} = $exit->x;	2801	$rmp->{origin_x} = $exit->x;
2004	$rmp->{origin_y} = $exit->y;	2802	$rmp->{origin_y} = $exit->y;
		2803
		2804	$exit->map->touch;
2005	}	2805	}
2006		2806
2007	$rmp->{random_seed} ||= $exit->random_seed;	2807	$rmp->{random_seed} ||= $exit->random_seed;
2008		2808
2009	my $data = cf::to_json $rmp;	2809	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2010	my $md5 = Digest::MD5::md5_hex $data;	2810	my $md5 = Digest::MD5::md5_hex $data;
2011	my $meta = "$RANDOMDIR/$md5.meta";	2811	my $meta = "$RANDOMDIR/$md5.meta";
2012		2812
2013	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2813	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2014	aio_write $fh, 0, (length $data), $data, 0;	2814	aio_write $fh, 0, (length $data), $data, 0;
2015	undef $fh;	2815	undef $fh;
2016	aio_rename "$meta~", $meta;	2816	aio_rename "$meta~", $meta;
2017		2817
		2818	my $slaying = "?random/$md5";
		2819
		2820	if ($exit->valid) {
2018	$exit->slaying ("?random/$md5");	2821	$exit->slaying ("?random/$md5");
2019	$exit->msg (undef);	2822	$exit->msg (undef);
		2823	}
2020	}	2824	}
2021	}	2825	}
2022		2826
2023	sub cf::object::player::enter_exit {	2827	sub cf::object::player::enter_exit {
2024	my ($self, $exit) = @_;	2828	my ($self, $exit) = @_;
2025		2829
2026	return unless $self->type == cf::PLAYER;	2830	return unless $self->type == cf::PLAYER;
2027		2831
2028	if ($exit->slaying eq "/!") {
2029	#TODO: this should de-fi-ni-te-ly not be a sync-job
2030	# the problem is that $exit might not survive long enough
2031	# so it needs to be done right now, right here
2032	cf::sync_job { prepare_random_map $exit };
2033	}
2034
2035	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2036	my $hp = $exit->stats->hp;
2037	my $sp = $exit->stats->sp;
2038
2039	$self->enter_link;	2832	$self->enter_link;
2040		2833
2041	(async {	2834	(async {
2042	$self->deactivate_recursive; # just to be sure	2835	$Coro::current->{desc} = "enter_exit";
		2836
2043	unless (eval {	2837	unless (eval {
		2838	$self->deactivate_recursive; # just to be sure
		2839
		2840	# random map handling
		2841	{
		2842	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2843
		2844	prepare_random_map $exit
		2845	if $exit->slaying eq "/!";
		2846	}
		2847
		2848	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2849	my $x = $exit->stats->hp;
		2850	my $y = $exit->stats->sp;
		2851
2044	$self->goto ($slaying, $hp, $sp);	2852	$self->goto ($map, $x, $y);
2045		2853
		2854	# if exit is damned, update players death & WoR home-position
		2855	$self->contr->savebed ($map, $x, $y)
		2856	if $exit->flag (cf::FLAG_DAMNED);
		2857
2046	1;	2858	1
2047	}) {	2859	}) {
2048	$self->message ("Something went wrong deep within the crossfire server. "	2860	$self->message ("Something went wrong deep within the deliantra server. "
2049	. "I'll try to bring you back to the map you were before. "	2861	. "I'll try to bring you back to the map you were before. "
2050	. "Please report this to the dungeon master!",	2862	. "Please report this to the dungeon master!",
2051	cf::NDI_UNIQUE | cf::NDI_RED);	2863	cf::NDI_UNIQUE | cf::NDI_RED);
2052		2864
2053	warn "ERROR in enter_exit: $@";	2865	error "ERROR in enter_exit: $@";
2054	$self->leave_link;	2866	$self->leave_link;
2055	}	2867	}
2056	})->prio (1);	2868	})->prio (1);
2057	}	2869	}
2058		2870
…		…
2072		2884
2073	utf8::encode $text;	2885	utf8::encode $text;
2074	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2886	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2075	}	2887	}
2076		2888
		2889	=item $client->send_big_packet ($pkt)
		2890
		2891	Like C<send_packet>, but tries to compress large packets, and fragments
		2892	them as required.
		2893
		2894	=cut
		2895
		2896	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2897
		2898	sub cf::client::send_big_packet {
		2899	my ($self, $pkt) = @_;
		2900
		2901	# try lzf for large packets
		2902	$pkt = "lzf " . Compress::LZF::compress $pkt
		2903	if 1024 <= length $pkt and $self->{can_lzf};
		2904
		2905	# split very large packets
		2906	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2907	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2908	$pkt = "frag";
		2909	}
		2910
		2911	$self->send_packet ($pkt);
		2912	}
		2913
		2914	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2915
		2916	Send a drawinfo or msg packet to the client, formatting the msg for the
		2917	client if neccessary. C<$type> should be a string identifying the type of
		2918	the message, with C<log> being the default. If C<$color> is negative, suppress
		2919	the message unless the client supports the msg packet.
		2920
		2921	=cut
		2922
		2923	# non-persistent channels (usually the info channel)
		2924	our %CHANNEL = (
		2925	"c/motd" => {
		2926	id => "infobox",
		2927	title => "MOTD",
		2928	reply => undef,
		2929	tooltip => "The message of the day",
		2930	},
		2931	"c/identify" => {
		2932	id => "infobox",
		2933	title => "Identify",
		2934	reply => undef,
		2935	tooltip => "Items recently identified",
		2936	},
		2937	"c/examine" => {
		2938	id => "infobox",
		2939	title => "Examine",
		2940	reply => undef,
		2941	tooltip => "Signs and other items you examined",
		2942	},
		2943	"c/shopinfo" => {
		2944	id => "infobox",
		2945	title => "Shop Info",
		2946	reply => undef,
		2947	tooltip => "What your bargaining skill tells you about the shop",
		2948	},
		2949	"c/book" => {
		2950	id => "infobox",
		2951	title => "Book",
		2952	reply => undef,
		2953	tooltip => "The contents of a note or book",
		2954	},
		2955	"c/lookat" => {
		2956	id => "infobox",
		2957	title => "Look",
		2958	reply => undef,
		2959	tooltip => "What you saw there",
		2960	},
		2961	"c/who" => {
		2962	id => "infobox",
		2963	title => "Players",
		2964	reply => undef,
		2965	tooltip => "Shows players who are currently online",
		2966	},
		2967	"c/body" => {
		2968	id => "infobox",
		2969	title => "Body Parts",
		2970	reply => undef,
		2971	tooltip => "Shows which body parts you posess and are available",
		2972	},
		2973	"c/statistics" => {
		2974	id => "infobox",
		2975	title => "Statistics",
		2976	reply => undef,
		2977	tooltip => "Shows your primary statistics",
		2978	},
		2979	"c/skills" => {
		2980	id => "infobox",
		2981	title => "Skills",
		2982	reply => undef,
		2983	tooltip => "Shows your experience per skill and item power",
		2984	},
		2985	"c/shopitems" => {
		2986	id => "infobox",
		2987	title => "Shop Items",
		2988	reply => undef,
		2989	tooltip => "Shows the items currently for sale in this shop",
		2990	},
		2991	"c/resistances" => {
		2992	id => "infobox",
		2993	title => "Resistances",
		2994	reply => undef,
		2995	tooltip => "Shows your resistances",
		2996	},
		2997	"c/pets" => {
		2998	id => "infobox",
		2999	title => "Pets",
		3000	reply => undef,
		3001	tooltip => "Shows information abotu your pets/a specific pet",
		3002	},
		3003	"c/perceiveself" => {
		3004	id => "infobox",
		3005	title => "Perceive Self",
		3006	reply => undef,
		3007	tooltip => "You gained detailed knowledge about yourself",
		3008	},
		3009	"c/uptime" => {
		3010	id => "infobox",
		3011	title => "Uptime",
		3012	reply => undef,
		3013	tooltip => "How long the server has been running since last restart",
		3014	},
		3015	"c/mapinfo" => {
		3016	id => "infobox",
		3017	title => "Map Info",
		3018	reply => undef,
		3019	tooltip => "Information related to the maps",
		3020	},
		3021	"c/party" => {
		3022	id => "party",
		3023	title => "Party",
		3024	reply => "gsay ",
		3025	tooltip => "Messages and chat related to your party",
		3026	},
		3027	"c/death" => {
		3028	id => "death",
		3029	title => "Death",
		3030	reply => undef,
		3031	tooltip => "Reason for and more info about your most recent death",
		3032	},
		3033	"c/say" => $SAY_CHANNEL,
		3034	"c/chat" => $CHAT_CHANNEL,
		3035	);
		3036
		3037	sub cf::client::send_msg {
		3038	my ($self, $channel, $msg, $color, @extra) = @_;
		3039
		3040	$msg = $self->pl->expand_cfpod ($msg)
		3041	unless $color & cf::NDI_VERBATIM;
		3042
		3043	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3044
		3045	# check predefined channels, for the benefit of C
		3046	if ($CHANNEL{$channel}) {
		3047	$channel = $CHANNEL{$channel};
		3048
		3049	$self->ext_msg (channel_info => $channel);
		3050	$channel = $channel->{id};
		3051
		3052	} elsif (ref $channel) {
		3053	# send meta info to client, if not yet sent
		3054	unless (exists $self->{channel}{$channel->{id}}) {
		3055	$self->{channel}{$channel->{id}} = $channel;
		3056	$self->ext_msg (channel_info => $channel);
		3057	}
		3058
		3059	$channel = $channel->{id};
		3060	}
		3061
		3062	return unless @extra || length $msg;
		3063
		3064	# default colour, mask it out
		3065	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3066	if $color & cf::NDI_DEF;
		3067
		3068	my $pkt = "msg "
		3069	. $self->{json_coder}->encode (
		3070	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3071	);
		3072
		3073	$self->send_big_packet ($pkt);
		3074	}
		3075
2077	=item $client->ext_event ($type, %msg)	3076	=item $client->ext_msg ($type, @msg)
2078		3077
2079	Sends an exti event to the client.	3078	Sends an ext event to the client.
2080		3079
2081	=cut	3080	=cut
2082		3081
2083	sub cf::client::ext_event($$%) {	3082	sub cf::client::ext_msg($$@) {
2084	my ($self, $type, %msg) = @_;	3083	my ($self, $type, @msg) = @_;
2085		3084
		3085	if ($self->extcmd == 2) {
		3086	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3087	} elsif ($self->extcmd == 1) { # TODO: remove
2086	$msg{msgtype} = "event_$type";	3088	push @msg, msgtype => "event_$type";
2087	$self->send_packet ("ext " . cf::to_json \%msg);	3089	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3090	}
		3091	}
		3092
		3093	=item $client->ext_reply ($msgid, @msg)
		3094
		3095	Sends an ext reply to the client.
		3096
		3097	=cut
		3098
		3099	sub cf::client::ext_reply($$@) {
		3100	my ($self, $id, @msg) = @_;
		3101
		3102	if ($self->extcmd == 2) {
		3103	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3104	} elsif ($self->extcmd == 1) {
		3105	#TODO: version 1, remove
		3106	unshift @msg, msgtype => "reply", msgid => $id;
		3107	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3108	}
2088	}	3109	}
2089		3110
2090	=item $success = $client->query ($flags, "text", \&cb)	3111	=item $success = $client->query ($flags, "text", \&cb)
2091		3112
2092	Queues a query to the client, calling the given callback with	3113	Queues a query to the client, calling the given callback with
2093	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3114	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2094	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3115	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2095		3116
2096	Queries can fail, so check the return code. Or don't, as queries will become	3117	Queries can fail, so check the return code. Or don't, as queries will
2097	reliable at some point in the future.	3118	become reliable at some point in the future.
2098		3119
2099	=cut	3120	=cut
2100		3121
2101	sub cf::client::query {	3122	sub cf::client::query {
2102	my ($self, $flags, $text, $cb) = @_;	3123	my ($self, $flags, $text, $cb) = @_;
…		…
2110	utf8::encode $text;	3131	utf8::encode $text;
2111	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3132	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2112		3133
2113	$self->send_packet ($self->{query_queue}[0][0])	3134	$self->send_packet ($self->{query_queue}[0][0])
2114	if @{ $self->{query_queue} } == 1;	3135	if @{ $self->{query_queue} } == 1;
		3136
		3137	1
2115	}	3138	}
2116		3139
2117	cf::client->attach (	3140	cf::client->attach (
		3141	on_connect => sub {
		3142	my ($ns) = @_;
		3143
		3144	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3145	},
2118	on_reply => sub {	3146	on_reply => sub {
2119	my ($ns, $msg) = @_;	3147	my ($ns, $msg) = @_;
2120		3148
2121	# this weird shuffling is so that direct followup queries	3149	# this weird shuffling is so that direct followup queries
2122	# get handled first	3150	# get handled first
…		…
2134	} else {	3162	} else {
2135	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2136	}	3164	}
2137	}	3165	}
2138	},	3166	},
		3167	on_exticmd => sub {
		3168	my ($ns, $buf) = @_;
		3169
		3170	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3171
		3172	if (ref $msg) {
		3173	my ($type, $reply, @payload) =
		3174	"ARRAY" eq ref $msg
		3175	? @$msg
		3176	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3177
		3178	my @reply;
		3179
		3180	if (my $cb = $EXTICMD{$type}) {
		3181	@reply = $cb->($ns, @payload);
		3182	}
		3183
		3184	$ns->ext_reply ($reply, @reply)
		3185	if $reply;
		3186
		3187	} else {
		3188	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3189	}
		3190
		3191	cf::override;
		3192	},
2139	);	3193	);
2140		3194
2141	=item $client->async (\&cb)	3195	=item $client->async (\&cb)
2142		3196
2143	Create a new coroutine, running the specified callback. The coroutine will	3197	Create a new coroutine, running the specified callback. The coroutine will
…		…
2159		3213
2160	$coro	3214	$coro
2161	}	3215	}
2162		3216
2163	cf::client->attach (	3217	cf::client->attach (
2164	on_destroy => sub {	3218	on_client_destroy => sub {
2165	my ($ns) = @_;	3219	my ($ns) = @_;
2166		3220
2167	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3221	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2168	},	3222	},
2169	);	3223	);
…		…
2184	our $safe = new Safe "safe";	3238	our $safe = new Safe "safe";
2185	our $safe_hole = new Safe::Hole;	3239	our $safe_hole = new Safe::Hole;
2186		3240
2187	$SIG{FPE} = 'IGNORE';	3241	$SIG{FPE} = 'IGNORE';
2188		3242
2189	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3243	$safe->permit_only (Opcode::opset qw(
		3244	:base_core :base_mem :base_orig :base_math :base_loop
		3245	grepstart grepwhile mapstart mapwhile
		3246	sort time
		3247	));
2190		3248
2191	# here we export the classes and methods available to script code	3249	# here we export the classes and methods available to script code
2192		3250
2193	=pod	3251	=pod
2194		3252
2195	The following functions and methods are available within a safe environment:	3253	The following functions and methods are available within a safe environment:
2196		3254
2197	cf::object contr pay_amount pay_player map	3255	cf::object
		3256	contr pay_amount pay_player map x y force_find force_add destroy
		3257	insert remove name archname title slaying race decrease split
		3258	value
		3259
2198	cf::object::player player	3260	cf::object::player
2199	cf::player peaceful	3261	player
2200	cf::map trigger	3262
		3263	cf::player
		3264	peaceful
		3265
		3266	cf::map
		3267	trigger
2201		3268
2202	=cut	3269	=cut
2203		3270
2204	for (	3271	for (
2205	["cf::object" => qw(contr pay_amount pay_player map)],	3272	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3273	insert remove inv nrof name archname title slaying race
		3274	decrease split destroy change_exp value msg lore send_msg)],
2206	["cf::object::player" => qw(player)],	3275	["cf::object::player" => qw(player)],
2207	["cf::player" => qw(peaceful)],	3276	["cf::player" => qw(peaceful send_msg)],
2208	["cf::map" => qw(trigger)],	3277	["cf::map" => qw(trigger)],
2209	) {	3278	) {
2210	no strict 'refs';	3279	no strict 'refs';
2211	my ($pkg, @funs) = @$_;	3280	my ($pkg, @funs) = @$_;
2212	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3281	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2230		3299
2231	my $qcode = $code;	3300	my $qcode = $code;
2232	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3301	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2233	$qcode =~ s/\n/\\n/g;	3302	$qcode =~ s/\n/\\n/g;
2234		3303
		3304	%vars = (_dummy => 0) unless %vars;
		3305
		3306	my @res;
2235	local $_;	3307	local $_;
2236	local @safe::cf::_safe_eval_args = values %vars;
2237		3308
2238	my $eval =	3309	my $eval =
2239	"do {\n"	3310	"do {\n"
2240	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3311	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2241	. "#line 0 \"{$qcode}\"\n"	3312	. "#line 0 \"{$qcode}\"\n"
2242	. $code	3313	. $code
2243	. "\n}"	3314	. "\n}"
2244	;	3315	;
2245		3316
		3317	if ($CFG{safe_eval}) {
2246	sub_generation_inc;	3318	sub_generation_inc;
		3319	local @safe::cf::_safe_eval_args = values %vars;
2247	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3320	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2248	sub_generation_inc;	3321	sub_generation_inc;
		3322	} else {
		3323	local @cf::_safe_eval_args = values %vars;
		3324	@res = wantarray ? eval eval : scalar eval $eval;
		3325	}
2249		3326
2250	if ($@) {	3327	if ($@) {
2251	warn "$@";	3328	warn "$@",
2252	warn "while executing safe code '$code'\n";	3329	"while executing safe code '$code'\n",
2253	warn "with arguments " . (join " ", %vars) . "\n";	3330	"with arguments " . (join " ", %vars) . "\n";
2254	}	3331	}
2255		3332
2256	wantarray ? @res : $res[0]	3333	wantarray ? @res : $res[0]
2257	}	3334	}
2258		3335
…		…
2272	=cut	3349	=cut
2273		3350
2274	sub register_script_function {	3351	sub register_script_function {
2275	my ($fun, $cb) = @_;	3352	my ($fun, $cb) = @_;
2276		3353
2277	no strict 'refs';	3354	$fun = "safe::$fun" if $CFG{safe_eval};
2278	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3355	*$fun = $safe_hole->wrap ($cb);
2279	}	3356	}
2280		3357
2281	=back	3358	=back
2282		3359
2283	=cut	3360	=cut
2284
2285	#############################################################################
2286
2287	=head2 EXTENSION DATABASE SUPPORT
2288
2289	Crossfire maintains a very simple database for extension use. It can
2290	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2291	convert to/from binary).
2292
2293	The parameter C<$family> should best start with the name of the extension
2294	using it, it should be unique.
2295
2296	=over 4
2297
2298	=item $value = cf::db_get $family => $key
2299
2300	Returns a single value from the database.
2301
2302	=item cf::db_put $family => $key => $value
2303
2304	Stores the given C<$value> in the family.
2305
2306	=cut
2307
2308	our $DB;
2309
2310	sub db_init {
2311	unless ($DB) {
2312	$DB = BDB::db_create $DB_ENV;
2313
2314	cf::sync_job {
2315	eval {
2316	$DB->set_flags (BDB::CHKSUM);
2317
2318	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2319	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2320	cf::cleanup "db_open(db): $!" if $!;
2321	};
2322	cf::cleanup "db_open(db): $@" if $@;
2323	};
2324	}
2325	}
2326
2327	sub db_get($$) {
2328	my $key = "$_[0]/$_[1]";
2329
2330	cf::sync_job {
2331	BDB::db_get $DB, undef, $key, my $data;
2332
2333	$! ? ()
2334	: $data
2335	}
2336	}
2337
2338	sub db_put($$$) {
2339	BDB::dbreq_pri 4;
2340	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2341	}
2342
2343	=item cf::cache $id => [$paths...], $processversion => $process
2344
2345	Generic caching function that returns the value of the resource $id,
2346	caching and regenerating as required.
2347
2348	This function can block.
2349
2350	=cut
2351
2352	sub cache {
2353	my ($id, $src, $processversion, $process) = @_;
2354
2355	my $meta =
2356	join "\x00",
2357	$processversion,
2358	map {
2359	aio_stat $_
2360	and Carp::croak "$_: $!";
2361
2362	($_, (stat _)[7,9])
2363	} @$src;
2364
2365	my $dbmeta = db_get cache => "$id/meta";
2366	if ($dbmeta ne $meta) {
2367	# changed, we may need to process
2368
2369	my @data;
2370	my $md5;
2371
2372	for (0 .. $#$src) {
2373	0 <= aio_load $src->[$_], $data[$_]
2374	or Carp::croak "$src->[$_]: $!";
2375	}
2376
2377	# if processing is expensive, check
2378	# checksum first
2379	if (1) {
2380	$md5 =
2381	join "\x00",
2382	$processversion,
2383	map {
2384	Coro::cede;
2385	($src->[$_], Digest::MD5::md5_hex $data[$_])
2386	} 0.. $#$src;
2387
2388
2389	my $dbmd5 = db_get cache => "$id/md5";
2390	if ($dbmd5 eq $md5) {
2391	db_put cache => "$id/meta", $meta;
2392
2393	return db_get cache => "$id/data";
2394	}
2395	}
2396
2397	my $t1 = Time::HiRes::time;
2398	my $data = $process->(\@data);
2399	my $t2 = Time::HiRes::time;
2400
2401	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2402
2403	db_put cache => "$id/data", $data;
2404	db_put cache => "$id/md5" , $md5;
2405	db_put cache => "$id/meta", $meta;
2406
2407	return $data;
2408	}
2409
2410	db_get cache => "$id/data"
2411	}
2412
2413	=item fork_call { }, $args
2414
2415	Executes the given code block with the given arguments in a seperate
2416	process, returning the results. Everything must be serialisable with
2417	Coro::Storable. May, of course, block. Note that the executed sub may
2418	never block itself or use any form of Event handling.
2419
2420	=cut
2421
2422	sub fork_call(&@) {
2423	my ($cb, @args) = @_;
2424
2425	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2426	# or die "socketpair: $!";
2427	pipe my $fh1, my $fh2
2428	or die "pipe: $!";
2429
2430	if (my $pid = fork) {
2431	close $fh2;
2432
2433	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2434	$res = Coro::Storable::thaw $res;
2435
2436	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2437
2438	die $$res unless "ARRAY" eq ref $res;
2439
2440	return wantarray ? @$res : $res->[-1];
2441	} else {
2442	local $SIG{__WARN__};
2443	eval {
2444	local $SIG{__DIE__};
2445	close $fh1;
2446
2447	my @res = eval { $cb->(@args) };
2448	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2449	};
2450
2451	warn $@ if $@;
2452	_exit 0;
2453	}
2454	}
2455
2456
2457		3361
2458	#############################################################################	3362	#############################################################################
2459	# the server's init and main functions	3363	# the server's init and main functions
2460		3364
2461	sub load_facedata($) {	3365	sub load_facedata($) {
2462	my ($path) = @_;	3366	my ($path) = @_;
2463		3367
		3368	# HACK to clear player env face cache, we need some signal framework
		3369	# for this (global event?)
		3370	%ext::player_env::MUSIC_FACE_CACHE = ();
		3371
		3372	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3373
2464	warn "loading facedata from $path\n";	3374	trace "loading facedata from $path\n";
2465		3375
2466	my $facedata;	3376	my $facedata;
2467	0 < aio_load $path, $facedata	3377	0 < aio_load $path, $facedata
2468	or die "$path: $!";	3378	or die "$path: $!";
2469		3379
2470	$facedata = Coro::Storable::thaw $facedata;	3380	$facedata = Coro::Storable::thaw $facedata;
2471		3381
2472	$facedata->{version} == 2	3382	$facedata->{version} == 2
2473	or cf::cleanup "$path: version mismatch, cannot proceed.";	3383	or cf::cleanup "$path: version mismatch, cannot proceed.";
2474		3384
		3385	# patch in the exptable
		3386	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3387	$facedata->{resource}{"res/exp_table"} = {
		3388	type => FT_RSRC,
		3389	data => $exp_table,
		3390	hash => (Digest::MD5::md5 $exp_table),
		3391	};
		3392	cf::cede_to_tick;
		3393
2475	{	3394	{
2476	my $faces = $facedata->{faceinfo};	3395	my $faces = $facedata->{faceinfo};
2477		3396
2478	while (my ($face, $info) = each %$faces) {	3397	while (my ($face, $info) = each %$faces) {
2479	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3398	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3399
2480	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3400	cf::face::set_visibility $idx, $info->{visibility};
		3401	cf::face::set_magicmap $idx, $info->{magicmap};
2481	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3402	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2482	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3403	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2483	Coro::cede;	3404
		3405	cf::cede_to_tick;
2484	}	3406	}
2485		3407
2486	while (my ($face, $info) = each %$faces) {	3408	while (my ($face, $info) = each %$faces) {
2487	next unless $info->{smooth};	3409	next unless $info->{smooth};
		3410
2488	my $idx = cf::face::find $face	3411	my $idx = cf::face::find $face
2489	or next;	3412	or next;
		3413
2490	if (my $smooth = cf::face::find $info->{smooth}) {	3414	if (my $smooth = cf::face::find $info->{smooth}) {
		3415	cf::face::set_smooth $idx, $smooth;
2491	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3416	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2492	} else {	3417	} else {
2493	warn "smooth face '$info->{smooth}' not found for face '$face'";	3418	error "smooth face '$info->{smooth}' not found for face '$face'";
2494	}	3419	}
2495	Coro::cede;	3420
		3421	cf::cede_to_tick;
2496	}	3422	}
2497	}	3423	}
2498		3424
2499	{	3425	{
2500	my $anims = $facedata->{animinfo};	3426	my $anims = $facedata->{animinfo};
2501		3427
2502	while (my ($anim, $info) = each %$anims) {	3428	while (my ($anim, $info) = each %$anims) {
2503	cf::anim::set $anim, $info->{frames}, $info->{facings};	3429	cf::anim::set $anim, $info->{frames}, $info->{facings};
2504	Coro::cede;	3430	cf::cede_to_tick;
2505	}	3431	}
2506		3432
2507	cf::anim::invalidate_all; # d'oh	3433	cf::anim::invalidate_all; # d'oh
2508	}	3434	}
2509		3435
		3436	{
		3437	my $res = $facedata->{resource};
		3438
		3439	while (my ($name, $info) = each %$res) {
		3440	if (defined $info->{type}) {
		3441	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3442
		3443	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3444	cf::face::set_type $idx, $info->{type};
		3445	} else {
		3446	$RESOURCE{$name} = $info; # unused
		3447	}
		3448
		3449	cf::cede_to_tick;
		3450	}
		3451	}
		3452
		3453	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3454
2510	1	3455	1
2511	}	3456	}
2512		3457
		3458	register_exticmd fx_want => sub {
		3459	my ($ns, $want) = @_;
		3460
		3461	while (my ($k, $v) = each %$want) {
		3462	$ns->fx_want ($k, $v);
		3463	}
		3464	};
		3465
		3466	sub load_resource_file($) {
		3467	my $guard = lock_acquire "load_resource_file";
		3468
		3469	my $status = load_resource_file_ $_[0];
		3470	get_slot 0.1, 100;
		3471	cf::arch::commit_load;
		3472
		3473	$status
		3474	}
		3475
2513	sub reload_regions {	3476	sub reload_regions {
		3477	# HACK to clear player env face cache, we need some signal framework
		3478	# for this (global event?)
		3479	%ext::player_env::MUSIC_FACE_CACHE = ();
		3480
2514	load_resource_file "$MAPDIR/regions"	3481	load_resource_file "$MAPDIR/regions"
2515	or die "unable to load regions file\n";	3482	or die "unable to load regions file\n";
		3483
		3484	for (cf::region::list) {
		3485	$_->{match} = qr/$_->{match}/
		3486	if exists $_->{match};
		3487	}
2516	}	3488	}
2517		3489
2518	sub reload_facedata {	3490	sub reload_facedata {
2519	load_facedata "$DATADIR/facedata"	3491	load_facedata "$DATADIR/facedata"
2520	or die "unable to load facedata\n";	3492	or die "unable to load facedata\n";
…		…
2528	sub reload_treasures {	3500	sub reload_treasures {
2529	load_resource_file "$DATADIR/treasures"	3501	load_resource_file "$DATADIR/treasures"
2530	or die "unable to load treasurelists\n";	3502	or die "unable to load treasurelists\n";
2531	}	3503	}
2532		3504
		3505	sub reload_sound {
		3506	trace "loading sound config from $DATADIR/sound\n";
		3507
		3508	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3509	or die "$DATADIR/sound $!";
		3510
		3511	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3512
		3513	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3514	my $sound = $soundconf->{compat}[$_]
		3515	or next;
		3516
		3517	my $face = cf::face::find "sound/$sound->[1]";
		3518	cf::sound::set $sound->[0] => $face;
		3519	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3520	}
		3521
		3522	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3523	my $face = cf::face::find "sound/$v";
		3524	cf::sound::set $k => $face;
		3525	}
		3526	}
		3527
2533	sub reload_resources {	3528	sub reload_resources {
2534	warn "reloading resource files...\n";	3529	trace "reloading resource files...\n";
2535		3530
		3531	reload_facedata;
		3532	reload_sound;
		3533	reload_archetypes;
2536	reload_regions;	3534	reload_regions;
2537	reload_facedata;
2538	reload_archetypes;
2539	reload_treasures;	3535	reload_treasures;
2540		3536
2541	warn "finished reloading resource files\n";	3537	trace "finished reloading resource files\n";
2542	}	3538	}
2543		3539
2544	sub init {	3540	sub reload_config {
2545	reload_resources;	3541	trace "reloading config file...\n";
2546	}
2547		3542
2548	sub cfg_load {
2549	open my $fh, "<:utf8", "$CONFDIR/config"	3543	open my $fh, "<:utf8", "$CONFDIR/config"
2550	or return;	3544	or return;
2551		3545
2552	local $/;	3546	local $/;
2553	*CFG = YAML::Syck::Load <$fh>;	3547	*CFG = YAML::XS::Load scalar <$fh>;
2554		3548
2555	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3549	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2556		3550
2557	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3551	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2558	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3552	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2559		3553
2560	if (exists $CFG{mlockall}) {	3554	if (exists $CFG{mlockall}) {
…		…
2562	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3556	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2563	and die "WARNING: m(un)lockall failed: $!\n";	3557	and die "WARNING: m(un)lockall failed: $!\n";
2564	};	3558	};
2565	warn $@ if $@;	3559	warn $@ if $@;
2566	}	3560	}
		3561
		3562	trace "finished reloading resource files\n";
		3563	}
		3564
		3565	sub pidfile() {
		3566	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3567	or die "$PIDFILE: $!";
		3568	flock $fh, &Fcntl::LOCK_EX
		3569	or die "$PIDFILE: flock: $!";
		3570	$fh
		3571	}
		3572
		3573	# make sure only one server instance is running at any one time
		3574	sub atomic {
		3575	my $fh = pidfile;
		3576
		3577	my $pid = <$fh>;
		3578	kill 9, $pid if $pid > 0;
		3579
		3580	seek $fh, 0, 0;
		3581	print $fh $$;
		3582	}
		3583
		3584	sub main_loop {
		3585	trace "EV::loop starting\n";
		3586	if (1) {
		3587	EV::loop;
		3588	}
		3589	trace "EV::loop returned\n";
		3590	goto &main_loop unless $REALLY_UNLOOP;
2567	}	3591	}
2568		3592
2569	sub main {	3593	sub main {
		3594	cf::init_globals; # initialise logging
		3595
		3596	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3597	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3598	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3599	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3600
		3601	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3602
2570	# we must not ever block the main coroutine	3603	# we must not ever block the main coroutine
2571	local $Coro::idle = sub {	3604	local $Coro::idle = sub {
2572	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3605	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2573	(async {	3606	(async {
2574	Event::one_event;	3607	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3608	EV::loop EV::LOOP_ONESHOT;
2575	})->prio (Coro::PRIO_MAX);	3609	})->prio (Coro::PRIO_MAX);
2576	};	3610	};
2577		3611
2578	cfg_load;	3612	evthread_start IO::AIO::poll_fileno;
		3613
		3614	cf::sync_job {
		3615	cf::init_experience;
		3616	cf::init_anim;
		3617	cf::init_attackmess;
		3618	cf::init_dynamic;
		3619
		3620	cf::load_settings;
		3621	cf::load_materials;
		3622
		3623	reload_resources;
		3624	reload_config;
2579	db_init;	3625	db_init;
		3626
		3627	cf::init_uuid;
		3628	cf::init_signals;
		3629	cf::init_skills;
		3630
		3631	cf::init_beforeplay;
		3632
		3633	atomic;
		3634
2580	load_extensions;	3635	load_extensions;
2581		3636
2582	$TICK_WATCHER->start;	3637	utime time, time, $RUNTIMEFILE;
2583	Event::loop;	3638
		3639	# no (long-running) fork's whatsoever before this point(!)
		3640	use POSIX ();
		3641	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3642
		3643	(pop @POST_INIT)->(0) while @POST_INIT;
		3644	};
		3645
		3646	cf::object::thawer::errors_are_fatal 0;
		3647	info "parse errors in files are no longer fatal from this point on.\n";
		3648
		3649	main_loop;
2584	}	3650	}
2585		3651
2586	#############################################################################	3652	#############################################################################
2587	# initialisation and cleanup	3653	# initialisation and cleanup
2588		3654
2589	# install some emergency cleanup handlers	3655	# install some emergency cleanup handlers
2590	BEGIN {	3656	BEGIN {
		3657	our %SIGWATCHER = ();
2591	for my $signal (qw(INT HUP TERM)) {	3658	for my $signal (qw(INT HUP TERM)) {
2592	Event->signal (	3659	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2593	reentrant => 0,
2594	data => WF_AUTOCANCEL,
2595	signal => $signal,
2596	prio => 0,
2597	cb => sub {
2598	cf::cleanup "SIG$signal";	3660	cf::cleanup "SIG$signal";
2599	},
2600	);	3661	};
		3662	}
		3663	}
		3664
		3665	sub write_runtime_sync {
		3666	my $t0 = AE::time;
		3667
		3668	# first touch the runtime file to show we are still running:
		3669	# the fsync below can take a very very long time.
		3670
		3671	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3672
		3673	my $guard = cf::lock_acquire "write_runtime";
		3674
		3675	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3676	or return;
		3677
		3678	my $value = $cf::RUNTIME + 90 + 10;
		3679	# 10 is the runtime save interval, for a monotonic clock
		3680	# 60 allows for the watchdog to kill the server.
		3681
		3682	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3683	and return;
		3684
		3685	# always fsync - this file is important
		3686	aio_fsync $fh
		3687	and return;
		3688
		3689	# touch it again to show we are up-to-date
		3690	aio_utime $fh, undef, undef;
		3691
		3692	close $fh
		3693	or return;
		3694
		3695	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3696	and return;
		3697
		3698	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3699
2601	}	3700	1
		3701	}
		3702
		3703	our $uuid_lock;
		3704	our $uuid_skip;
		3705
		3706	sub write_uuid_sync($) {
		3707	$uuid_skip ||= $_[0];
		3708
		3709	return if $uuid_lock;
		3710	local $uuid_lock = 1;
		3711
		3712	my $uuid = "$LOCALDIR/uuid";
		3713
		3714	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3715	or return;
		3716
		3717	my $value = uuid_seq uuid_cur;
		3718
		3719	unless ($value) {
		3720	info "cowardly refusing to write zero uuid value!\n";
		3721	return;
		3722	}
		3723
		3724	my $value = uuid_str $value + $uuid_skip;
		3725	$uuid_skip = 0;
		3726
		3727	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3728	and return;
		3729
		3730	# always fsync - this file is important
		3731	aio_fsync $fh
		3732	and return;
		3733
		3734	close $fh
		3735	or return;
		3736
		3737	aio_rename "$uuid~", $uuid
		3738	and return;
		3739
		3740	trace "uuid file written ($value).\n";
		3741
		3742	1
		3743
		3744	}
		3745
		3746	sub write_uuid($$) {
		3747	my ($skip, $sync) = @_;
		3748
		3749	$sync ? write_uuid_sync $skip
		3750	: async { write_uuid_sync $skip };
2602	}	3751	}
2603		3752
2604	sub emergency_save() {	3753	sub emergency_save() {
2605	my $freeze_guard = cf::freeze_mainloop;	3754	my $freeze_guard = cf::freeze_mainloop;
2606		3755
2607	warn "enter emergency perl save\n";	3756	info "emergency_perl_save: enter\n";
		3757
		3758	# this is a trade-off: we want to be very quick here, so
		3759	# save all maps without fsync, and later call a global sync
		3760	# (which in turn might be very very slow)
		3761	local $USE_FSYNC = 0;
2608		3762
2609	cf::sync_job {	3763	cf::sync_job {
		3764	cf::write_runtime_sync; # external watchdog should not bark
		3765
2610	# use a peculiar iteration method to avoid tripping on perl	3766	# use a peculiar iteration method to avoid tripping on perl
2611	# refcount bugs in for. also avoids problems with players	3767	# refcount bugs in for. also avoids problems with players
2612	# and maps saved/destroyed asynchronously.	3768	# and maps saved/destroyed asynchronously.
2613	warn "begin emergency player save\n";	3769	info "emergency_perl_save: begin player save\n";
2614	for my $login (keys %cf::PLAYER) {	3770	for my $login (keys %cf::PLAYER) {
2615	my $pl = $cf::PLAYER{$login} or next;	3771	my $pl = $cf::PLAYER{$login} or next;
2616	$pl->valid or next;	3772	$pl->valid or next;
		3773	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2617	$pl->save;	3774	$pl->save;
2618	}	3775	}
2619	warn "end emergency player save\n";	3776	info "emergency_perl_save: end player save\n";
2620		3777
2621	warn "begin emergency map save\n";	3778	cf::write_runtime_sync; # external watchdog should not bark
		3779
		3780	info "emergency_perl_save: begin map save\n";
2622	for my $path (keys %cf::MAP) {	3781	for my $path (keys %cf::MAP) {
2623	my $map = $cf::MAP{$path} or next;	3782	my $map = $cf::MAP{$path} or next;
2624	$map->valid or next;	3783	$map->valid or next;
2625	$map->save;	3784	$map->save;
2626	}	3785	}
2627	warn "end emergency map save\n";	3786	info "emergency_perl_save: end map save\n";
2628		3787
2629	warn "begin emergency database checkpoint\n";	3788	cf::write_runtime_sync; # external watchdog should not bark
		3789
		3790	info "emergency_perl_save: begin database checkpoint\n";
2630	BDB::db_env_txn_checkpoint $DB_ENV;	3791	BDB::db_env_txn_checkpoint $DB_ENV;
2631	warn "end emergency database checkpoint\n";	3792	info "emergency_perl_save: end database checkpoint\n";
		3793
		3794	info "emergency_perl_save: begin write uuid\n";
		3795	write_uuid_sync 1;
		3796	info "emergency_perl_save: end write uuid\n";
		3797
		3798	cf::write_runtime_sync; # external watchdog should not bark
		3799
		3800	trace "emergency_perl_save: syncing database to disk";
		3801	BDB::db_env_txn_checkpoint $DB_ENV;
		3802
		3803	info "emergency_perl_save: starting sync\n";
		3804	IO::AIO::aio_sync sub {
		3805	info "emergency_perl_save: finished sync\n";
		3806	};
		3807
		3808	cf::write_runtime_sync; # external watchdog should not bark
		3809
		3810	trace "emergency_perl_save: flushing outstanding aio requests";
		3811	while (IO::AIO::nreqs || BDB::nreqs) {
		3812	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3813	}
		3814
		3815	cf::write_runtime_sync; # external watchdog should not bark
2632	};	3816	};
2633		3817
2634	warn "leave emergency perl save\n";	3818	info "emergency_perl_save: leave\n";
2635	}	3819	}
2636		3820
2637	sub post_cleanup {	3821	sub post_cleanup {
2638	my ($make_core) = @_;	3822	my ($make_core) = @_;
2639		3823
		3824	IO::AIO::flush;
		3825
2640	warn Carp::longmess "post_cleanup backtrace"	3826	error Carp::longmess "post_cleanup backtrace"
2641	if $make_core;	3827	if $make_core;
		3828
		3829	my $fh = pidfile;
		3830	unlink $PIDFILE if <$fh> == $$;
		3831	}
		3832
		3833	# a safer delete_package, copied from Symbol
		3834	sub clear_package($) {
		3835	my $pkg = shift;
		3836
		3837	# expand to full symbol table name if needed
		3838	unless ($pkg =~ /^main::.*::$/) {
		3839	$pkg = "main$pkg" if $pkg =~ /^::/;
		3840	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3841	$pkg .= '::' unless $pkg =~ /::$/;
		3842	}
		3843
		3844	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3845	my $stem_symtab = *{$stem}{HASH};
		3846
		3847	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3848	or return;
		3849
		3850	# clear all symbols
		3851	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3852	for my $name (keys %$leaf_symtab) {
		3853	_gv_clear *{"$pkg$name"};
		3854	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3855	}
2642	}	3856	}
2643		3857
2644	sub do_reload_perl() {	3858	sub do_reload_perl() {
2645	# can/must only be called in main	3859	# can/must only be called in main
2646	if ($Coro::current != $Coro::main) {	3860	if (in_main) {
2647	warn "can only reload from main coroutine";	3861	error "can only reload from main coroutine";
2648	return;	3862	return;
2649	}	3863	}
2650		3864
		3865	return if $RELOAD++;
		3866
		3867	my $t1 = AE::time;
		3868
		3869	while ($RELOAD) {
2651	warn "reloading...";	3870	info "reloading...";
2652		3871
2653	warn "entering sync_job";	3872	trace "entering sync_job";
2654		3873
2655	cf::sync_job {	3874	cf::sync_job {
2656	cf::write_runtime; # external watchdog should not bark
2657	cf::emergency_save;	3875	cf::emergency_save;
2658	cf::write_runtime; # external watchdog should not bark
2659		3876
2660	warn "syncing database to disk";
2661	BDB::db_env_txn_checkpoint $DB_ENV;
2662
2663	# if anything goes wrong in here, we should simply crash as we already saved
2664
2665	warn "cancelling all WF_AUTOCANCEL watchers";
2666	for (Event::all_watchers) {
2667	$_->cancel if $_->data & WF_AUTOCANCEL;
2668	}
2669
2670	warn "flushing outstanding aio requests";
2671	for (;;) {
2672	BDB::flush;
2673	IO::AIO::flush;
2674	Coro::cede;
2675	last unless IO::AIO::nreqs || BDB::nreqs;
2676	warn "iterate...";
2677	}
2678
2679	++$RELOAD;
2680
2681	warn "cancelling all extension coros";	3877	trace "cancelling all extension coros";
2682	$_->cancel for values %EXT_CORO;	3878	$_->cancel for values %EXT_CORO;
2683	%EXT_CORO = ();	3879	%EXT_CORO = ();
2684		3880
2685	warn "removing commands";	3881	trace "removing commands";
2686	%COMMAND = ();	3882	%COMMAND = ();
2687		3883
2688	warn "removing ext commands";	3884	trace "removing ext/exti commands";
2689	%EXTCMD = ();	3885	%EXTCMD = ();
		3886	%EXTICMD = ();
2690		3887
2691	warn "unloading/nuking all extensions";	3888	trace "unloading/nuking all extensions";
2692	for my $pkg (@EXTS) {	3889	for my $pkg (@EXTS) {
2693	warn "... unloading $pkg";	3890	trace "... unloading $pkg";
2694		3891
2695	if (my $cb = $pkg->can ("unload")) {	3892	if (my $cb = $pkg->can ("unload")) {
2696	eval {	3893	eval {
2697	$cb->($pkg);	3894	$cb->($pkg);
2698	1	3895	1
2699	} or warn "$pkg unloaded, but with errors: $@";	3896	} or error "$pkg unloaded, but with errors: $@";
		3897	}
		3898
		3899	trace "... clearing $pkg";
		3900	clear_package $pkg;
2700	}	3901	}
2701		3902
2702	warn "... nuking $pkg";
2703	Symbol::delete_package $pkg;
2704	}
2705
2706	warn "unloading all perl modules loaded from $LIBDIR";	3903	trace "unloading all perl modules loaded from $LIBDIR";
2707	while (my ($k, $v) = each %INC) {	3904	while (my ($k, $v) = each %INC) {
2708	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3905	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2709		3906
2710	warn "... unloading $k";	3907	trace "... unloading $k";
2711	delete $INC{$k};	3908	delete $INC{$k};
2712		3909
2713	$k =~ s/\.pm$//;	3910	$k =~ s/\.pm$//;
2714	$k =~ s/\//::/g;	3911	$k =~ s/\//::/g;
2715		3912
2716	if (my $cb = $k->can ("unload_module")) {	3913	if (my $cb = $k->can ("unload_module")) {
2717	$cb->();	3914	$cb->();
		3915	}
		3916
		3917	clear_package $k;
2718	}	3918	}
2719		3919
2720	Symbol::delete_package $k;
2721	}
2722
2723	warn "getting rid of safe::, as good as possible";	3920	trace "getting rid of safe::, as good as possible";
2724	Symbol::delete_package "safe::$_"	3921	clear_package "safe::$_"
2725	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3922	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2726		3923
2727	warn "unloading cf.pm \"a bit\"";	3924	trace "unloading cf.pm \"a bit\"";
2728	delete $INC{"cf.pm"};	3925	delete $INC{"cf.pm"};
2729	delete $INC{"cf/pod.pm"};	3926	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2730		3927
2731	# don't, removes xs symbols, too,	3928	# don't, removes xs symbols, too,
2732	# and global variables created in xs	3929	# and global variables created in xs
2733	#Symbol::delete_package __PACKAGE__;	3930	#clear_package __PACKAGE__;
2734		3931
2735	warn "unload completed, starting to reload now";	3932	info "unload completed, starting to reload now";
2736		3933
2737	warn "reloading cf.pm";	3934	trace "reloading cf.pm";
2738	require cf;	3935	require cf;
2739	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3936	cf::_connect_to_perl_1;
2740		3937
2741	warn "loading config and database again";	3938	trace "loading config and database again";
2742	cf::cfg_load;	3939	cf::reload_config;
2743		3940
2744	warn "loading extensions";	3941	trace "loading extensions";
2745	cf::load_extensions;	3942	cf::load_extensions;
2746		3943
		3944	if ($REATTACH_ON_RELOAD) {
2747	warn "reattaching attachments to objects/players";	3945	trace "reattaching attachments to objects/players";
2748	_global_reattach; # objects, sockets	3946	_global_reattach; # objects, sockets
2749	warn "reattaching attachments to maps";	3947	trace "reattaching attachments to maps";
2750	reattach $_ for values %MAP;	3948	reattach $_ for values %MAP;
2751	warn "reattaching attachments to players";	3949	trace "reattaching attachments to players";
2752	reattach $_ for values %PLAYER;	3950	reattach $_ for values %PLAYER;
		3951	}
2753		3952
		3953	trace "running post_init jobs";
		3954	(pop @POST_INIT)->(1) while @POST_INIT;
		3955
2754	warn "leaving sync_job";	3956	trace "leaving sync_job";
2755		3957
2756	1	3958	1
2757	} or do {	3959	} or do {
2758	warn $@;	3960	error $@;
2759	warn "error while reloading, exiting.";	3961	cf::cleanup "error while reloading, exiting.";
2760	exit 1;	3962	};
		3963
		3964	info "reloaded";
		3965	--$RELOAD;
2761	};	3966	}
2762		3967
2763	warn "reloaded";	3968	$t1 = AE::time - $t1;
		3969	info "reload completed in ${t1}s\n";
2764	};	3970	};
2765		3971
2766	our $RELOAD_WATCHER; # used only during reload	3972	our $RELOAD_WATCHER; # used only during reload
2767		3973
2768	sub reload_perl() {	3974	sub reload_perl() {
2769	# doing reload synchronously and two reloads happen back-to-back,	3975	# doing reload synchronously and two reloads happen back-to-back,
2770	# coro crashes during coro_state_free->destroy here.	3976	# coro crashes during coro_state_free->destroy here.
2771		3977
2772	$RELOAD_WATCHER ||= Event->timer (	3978	$RELOAD_WATCHER ||= cf::async {
2773	reentrant => 0,	3979	Coro::AIO::aio_wait cache_extensions;
2774	after => 0,	3980
2775	data => WF_AUTOCANCEL,	3981	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2776	cb => sub {
2777	do_reload_perl;	3982	do_reload_perl;
2778	undef $RELOAD_WATCHER;	3983	undef $RELOAD_WATCHER;
2779	},	3984	};
2780	);	3985	};
2781	}	3986	}
2782		3987
2783	register_command "reload" => sub {	3988	register_command "reload" => sub {
2784	my ($who, $arg) = @_;	3989	my ($who, $arg) = @_;
2785		3990
2786	if ($who->flag (FLAG_WIZ)) {	3991	if ($who->flag (FLAG_WIZ)) {
2787	$who->message ("reloading server.");	3992	$who->message ("reloading server.");
		3993	async {
		3994	$Coro::current->{desc} = "perl_reload";
2788	async { reload_perl };	3995	reload_perl;
		3996	};
2789	}	3997	}
2790	};	3998	};
2791		3999
2792	unshift @INC, $LIBDIR;	4000	unshift @INC, $LIBDIR;
2793		4001
…		…
2795		4003
2796	our @WAIT_FOR_TICK;	4004	our @WAIT_FOR_TICK;
2797	our @WAIT_FOR_TICK_BEGIN;	4005	our @WAIT_FOR_TICK_BEGIN;
2798		4006
2799	sub wait_for_tick {	4007	sub wait_for_tick {
2800	return unless $TICK_WATCHER->is_active;
2801	return if $Coro::current == $Coro::main;	4008	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2802		4009
2803	my $signal = new Coro::Signal;	4010	my $signal = new Coro::Signal;
2804	push @WAIT_FOR_TICK, $signal;	4011	push @WAIT_FOR_TICK, $signal;
2805	$signal->wait;	4012	$signal->wait;
2806	}	4013	}
2807		4014
2808	sub wait_for_tick_begin {	4015	sub wait_for_tick_begin {
2809	return unless $TICK_WATCHER->is_active;
2810	return if $Coro::current == $Coro::main;	4016	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2811		4017
2812	my $signal = new Coro::Signal;	4018	my $signal = new Coro::Signal;
2813	push @WAIT_FOR_TICK_BEGIN, $signal;	4019	push @WAIT_FOR_TICK_BEGIN, $signal;
2814	$signal->wait;	4020	$signal->wait;
2815	}	4021	}
2816		4022
2817	$TICK_WATCHER = Event->timer (	4023	sub tick {
2818	reentrant => 0,
2819	parked => 1,
2820	prio => 0,
2821	at => $NEXT_TICK || $TICK,
2822	data => WF_AUTOCANCEL,
2823	cb => sub {
2824	if ($Coro::current != $Coro::main) {	4024	if ($Coro::current != $Coro::main) {
2825	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4025	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2826	unless ++$bug_warning > 10;	4026	unless ++$bug_warning > 10;
2827	return;	4027	return;
2828	}	4028	}
2829		4029
2830	$NOW = Event::time;
2831
2832	cf::server_tick; # one server iteration	4030	cf::server_tick; # one server iteration
2833		4031
2834	$RUNTIME += $TICK;	4032	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2835	$NEXT_TICK += $TICK;
2836		4033
2837	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4034	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2838	$NEXT_RUNTIME_WRITE = $NOW + 10;	4035	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2839	Coro::async_pool {	4036	Coro::async_pool {
		4037	$Coro::current->{desc} = "runtime saver";
2840	write_runtime	4038	write_runtime_sync
2841	or warn "ERROR: unable to write runtime file: $!";	4039	or error "ERROR: unable to write runtime file: $!";
2842	};
2843	}	4040	};
		4041	}
2844		4042
2845	# my $AFTER = Event::time;
2846	# warn $AFTER - $NOW;#d#
2847
2848	# if we are delayed by four ticks or more, skip them all
2849	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2850
2851	$TICK_WATCHER->at ($NEXT_TICK);
2852	$TICK_WATCHER->start;
2853
2854	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4043	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2855	$sig->send;	4044	$sig->send;
2856	}	4045	}
2857	while (my $sig = shift @WAIT_FOR_TICK) {	4046	while (my $sig = shift @WAIT_FOR_TICK) {
2858	$sig->send;	4047	$sig->send;
2859	}
2860
2861	_post_tick;
2862	},	4048	}
2863	);	4049
		4050	$LOAD = ($NOW - $TICK_START) / $TICK;
		4051	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4052
		4053	if (0) {
		4054	if ($NEXT_TICK) {
		4055	my $jitter = $TICK_START - $NEXT_TICK;
		4056	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4057	debug "jitter $JITTER\n";#d#
		4058	}
		4059	}
		4060	}
2864		4061
2865	{	4062	{
2866	BDB::max_poll_time $TICK * 0.1;	4063	# configure BDB
2867	$BDB_POLL_WATCHER = Event->io (	4064
2868	reentrant => 0,
2869	fd => BDB::poll_fileno,
2870	poll => 'r',
2871	prio => 0,
2872	data => WF_AUTOCANCEL,
2873	cb => \&BDB::poll_cb,
2874	);
2875	BDB::min_parallel 8;	4065	BDB::min_parallel 16;
2876		4066	BDB::max_poll_reqs $TICK * 0.1;
2877	BDB::set_sync_prepare {	4067	$AnyEvent::BDB::WATCHER->priority (1);
2878	my $status;
2879	my $current = $Coro::current;
2880	(
2881	sub {
2882	$status = $!;
2883	$current->ready; undef $current;
2884	},
2885	sub {
2886	Coro::schedule while defined $current;
2887	$! = $status;
2888	},
2889	)
2890	};
2891		4068
2892	unless ($DB_ENV) {	4069	unless ($DB_ENV) {
2893	$DB_ENV = BDB::db_env_create;	4070	$DB_ENV = BDB::db_env_create;
		4071	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4072	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4073	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4074	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4075	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2894		4076
2895	cf::sync_job {	4077	cf::sync_job {
2896	eval {	4078	eval {
2897	BDB::db_env_open	4079	BDB::db_env_open
2898	$DB_ENV,	4080	$DB_ENV,
…		…
2900	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4082	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2901	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4083	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2902	0666;	4084	0666;
2903		4085
2904	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4086	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2905
2906	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2907	$DB_ENV->set_lk_detect;
2908	};	4087	};
2909		4088
2910	cf::cleanup "db_env_open(db): $@" if $@;	4089	cf::cleanup "db_env_open(db): $@" if $@;
2911	};	4090	};
2912	}	4091	}
		4092
		4093	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4094	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4095	};
		4096	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4097	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4098	};
		4099	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4100	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4101	};
2913	}	4102	}
2914		4103
2915	{	4104	{
		4105	# configure IO::AIO
		4106
2916	IO::AIO::min_parallel 8;	4107	IO::AIO::min_parallel 8;
2917
2918	undef $Coro::AIO::WATCHER;
2919	IO::AIO::max_poll_time $TICK * 0.1;	4108	IO::AIO::max_poll_time $TICK * 0.1;
2920	$AIO_POLL_WATCHER = Event->io (	4109	undef $AnyEvent::AIO::WATCHER;
2921	reentrant => 0,	4110	}
2922	data => WF_AUTOCANCEL,	4111
2923	fd => IO::AIO::poll_fileno,	4112	my $_log_backtrace;
2924	poll => 'r',	4113
2925	prio => 6,	4114	sub _log_backtrace {
2926	cb => \&IO::AIO::poll_cb,	4115	my ($msg, @addr) = @_;
2927	);	4116
		4117	$msg =~ s/\n//;
		4118
		4119	# limit the # of concurrent backtraces
		4120	if ($_log_backtrace < 2) {
		4121	++$_log_backtrace;
		4122	my $perl_bt = Carp::longmess $msg;
		4123	async {
		4124	$Coro::current->{desc} = "abt $msg";
		4125
		4126	my @bt = fork_call {
		4127	@addr = map { sprintf "%x", $_ } @addr;
		4128	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4129	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4130	or die "addr2line: $!";
		4131
		4132	my @funcs;
		4133	my @res = <$fh>;
		4134	chomp for @res;
		4135	while (@res) {
		4136	my ($func, $line) = splice @res, 0, 2, ();
		4137	push @funcs, "[$func] $line";
		4138	}
		4139
		4140	@funcs
		4141	};
		4142
		4143	LOG llevInfo, "[ABT] $perl_bt\n";
		4144	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4145	LOG llevInfo, "[ABT] $_\n" for @bt;
		4146	--$_log_backtrace;
		4147	};
		4148	} else {
		4149	LOG llevInfo, "[ABT] $msg\n";
		4150	LOG llevInfo, "[ABT] [suppressed]\n";
		4151	}
2928	}	4152	}
2929		4153
2930	# load additional modules	4154	# load additional modules
2931	use cf::pod;	4155	require "cf/$_.pm" for @EXTRA_MODULES;
		4156	cf::_connect_to_perl_2;
2932		4157
2933	END { cf::emergency_save }	4158	END { cf::emergency_save }
2934		4159
2935	1	4160	1
2936		4161

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