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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.231 by root, Wed Apr 4 00:02:06 2007 UTC vs.
Revision 1.546 by root, Thu May 6 22:57:49 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
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
13		36
		37	use Guard ();
14	use Coro 3.52 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
21		52
		53	use JSON::XS 2.01 ();
22	use BDB ();	54	use BDB ();
23	use Data::Dumper;	55	use Data::Dumper;
24	use Digest::MD5;
25	use Fcntl;	56	use Fcntl;
26	use YAML::Syck ();	57	use YAML::XS ();
27	use IO::AIO 2.32 ();	58	use IO::AIO ();
28	use Time::HiRes;	59	use Time::HiRes;
29	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
30		64
31	# configure various modules to our taste	65	# configure various modules to our taste
32	#	66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35		75
36	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
37		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		78
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
44		82
45	our %COMMAND = ();	83	our %COMMAND = ();
46	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
47		85
48	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
52		91
53	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
54	our @EVENT;	93	our @EVENT;
55	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
56		96
57	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	98	our $DATADIR = datadir;
59	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		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;
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	121	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
64		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
65	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
67		130
68	our %CFG;	131	our %CFG;
69		132
70	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
72		136
73	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		140
82	# 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 ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		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 $REALLY_UNLOOP; # never set to true, please :)
		153
85	binmode STDOUT;	154	binmode STDOUT;
86	binmode STDERR;	155	binmode STDERR;
87		156
88	# read virtual server time, if available	157	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
93	}	162	}
94		163
95	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
96	mkdir cf::localdir . "/" . cf::playerdir;	165
97	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
98	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		168
102	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
103		170
104	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::"} };
105		187
106	#############################################################################	188	#############################################################################
107		189
108	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
109		191
…		…
116	=item $cf::RUNTIME	198	=item $cf::RUNTIME
117		199
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	200	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	201	every server tick.
120		202
121	=item $cf::LIBDIR	203	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		204	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		205	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		206
123	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	208	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		209	unique-items directory, player file directory, random maps directory and
		210	database environment.
125		211
126	=item $cf::NOW	212	=item $cf::NOW
127		213
128	The time of the last (current) server tick.	214	The time of the last (current) server tick.
129		215
130	=item $cf::TICK	216	=item $cf::TICK
131		217
132	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
133		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
134	=item %cf::CFG	230	=item %cf::CFG
135		231
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	233	from wherever your confdir points to.
138		234
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		236
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	238	returns directly I<after> the tick processing (and consequently, can only wake one thread
143	processing has been done. Call C<< ->wait >> on them to maximise the	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.	240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
145		257
146	=back	258	=back
147		259
148	=cut	260	=cut
149		261
150	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
151	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
152	my $msg = join "", @_;	269	my $msg = join "", @_;
153	utf8::encode $msg;
154		270
155	$msg .= "\n"	271	$msg .= "\n"
156	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
157		273
		274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		275
158	LOG llevError, $msg;	276	LOG llevWarn, $msg;
159	};	277	};
160	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
161		292
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	297	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		298	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	299	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		300
169	# we bless all objects into (empty) derived classes to force a method lookup	301	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	302	# within the Safe compartment.
171	for my $pkg (qw(	303	for my $pkg (qw(
172	cf::global cf::attachable	304	cf::global cf::attachable
173	cf::object cf::object::player	305	cf::object cf::object::player
174	cf::client cf::player	306	cf::client cf::player
175	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
176	cf::map cf::party cf::region	309	cf::party cf::region
177	)) {	310	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	312	}
181		313
182	$Event::DIED = sub {	314	$EV::DIED = sub {
183	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
184	};	316	};
		317
		318	#############################################################################
185		319
186	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
187		321
188	=over 4	322	=over 4
189		323
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	343	$d
210	} || "[unable to dump $_[0]: '$@']";	344	} || "[unable to dump $_[0]: '$@']";
211	}	345	}
212		346
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
216		348
217	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
218		350
219	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
220		352
221	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
222		354
		355	=cut
		356
		357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		358
		359	sub encode_json($) { $json_coder->encode ($_[0]) }
		360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item cf::post_init { BLOCK }
		363
		364	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		365	but I<before> the server starts ticking again.
		366
		367	The cdoeblock will have a single boolean argument to indicate whether this
		368	is a reload or not.
		369
		370	=cut
		371
		372	sub post_init(&) {
		373	push @POST_INIT, shift;
		374	}
		375
223	=item cf::lock_wait $string	376	=item cf::lock_wait $string
224		377
225	Wait until the given lock is available. See cf::lock_acquire.	378	Wait until the given lock is available. See cf::lock_acquire.
226		379
227	=item my $lock = cf::lock_acquire $string	380	=item my $lock = cf::lock_acquire $string
228		381
229	Wait until the given lock is available and then acquires it and returns	382	Wait until the given lock is available and then acquires it and returns
230	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	383	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
231	for example when the coroutine gets canceled), the lock is automatically	384	for example when the coroutine gets canceled), the lock is automatically
232	returned.	385	returned.
233		386
		387	Locks are *not* recursive, locking from the same coro twice results in a
		388	deadlocked coro.
		389
234	Lock names should begin with a unique identifier (for example, cf::map::find	390	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	391	uses map_find and cf::map::load uses map_load).
236		392
237	=cut	393	=item $locked = cf::lock_active $string
238		394
239	our %LOCK;	395	Return true if the lock is currently active, i.e. somebody has locked it.
		396
		397	=cut
		398
		399	our $LOCKS = new Coro::SemaphoreSet;
240		400
241	sub lock_wait($) {	401	sub lock_wait($) {
242	my ($key) = @_;	402	$LOCKS->wait ($_[0]);
243
244	# wait for lock, if any
245	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;
248	}
249	}	403	}
250		404
251	sub lock_acquire($) {	405	sub lock_acquire($) {
252	my ($key) = @_;	406	$LOCKS->guard ($_[0])
		407	}
253		408
254	# wait, to be sure we are not locked	409	sub lock_active($) {
255	lock_wait $key;	410	$LOCKS->count ($_[0]) < 1
256
257	$LOCK{$key} = [];
258
259	Coro::guard {
260	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };
262	}
263	}	411	}
264		412
265	sub freeze_mainloop {	413	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	414	tick_inhibit_inc;
267		415
268	my $guard = Coro::guard {	416	&Guard::guard (\&tick_inhibit_dec);
269	$TICK_WATCHER->start;	417	}
		418
		419	=item cf::periodic $interval, $cb
		420
		421	Like EV::periodic, but randomly selects a starting point so that the actions
		422	get spread over time.
		423
		424	=cut
		425
		426	sub periodic($$) {
		427	my ($interval, $cb) = @_;
		428
		429	my $start = rand List::Util::min 180, $interval;
		430
		431	EV::periodic $start, $interval, 0, $cb
		432	}
		433
		434	=item cf::get_slot $time[, $priority[, $name]]
		435
		436	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		437	This call blocks and returns only when you have at least C<$time> seconds
		438	of cpu time till the next tick. The slot is only valid till the next cede.
		439
		440	The optional C<$name> can be used to identify the job to run. It might be
		441	used for statistical purposes and should identify the same time-class.
		442
		443	Useful for short background jobs.
		444
		445	=cut
		446
		447	our @SLOT_QUEUE;
		448	our $SLOT_QUEUE;
		449	our $SLOT_DECAY = 0.9;
		450
		451	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		452	$SLOT_QUEUE = Coro::async {
		453	$Coro::current->desc ("timeslot manager");
		454
		455	my $signal = new Coro::Signal;
		456	my $busy;
		457
		458	while () {
		459	next_job:
		460
		461	my $avail = cf::till_tick;
		462
		463	for (0 .. $#SLOT_QUEUE) {
		464	if ($SLOT_QUEUE[$_][0] <= $avail) {
		465	$busy = 0;
		466	my $job = splice @SLOT_QUEUE, $_, 1, ();
		467	$job->[2]->send;
		468	Coro::cede;
		469	goto next_job;
		470	} else {
		471	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		472	}
		473	}
		474
		475	if (@SLOT_QUEUE) {
		476	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		477	push @cf::WAIT_FOR_TICK, $signal;
		478	$signal->wait;
		479	} else {
		480	$busy = 0;
		481	Coro::schedule;
		482	}
270	};	483	}
271	$TICK_WATCHER->stop;	484	};
272	$guard	485
		486	sub get_slot($;$$) {
		487	return if tick_inhibit || $Coro::current == $Coro::main;
		488
		489	my ($time, $pri, $name) = @_;
		490
		491	$time = clamp $time, 0.01, $TICK * .6;
		492
		493	my $sig = new Coro::Signal;
		494
		495	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		496	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		497	$SLOT_QUEUE->ready;
		498	$sig->wait;
273	}	499	}
274		500
275	=item cf::async { BLOCK }	501	=item cf::async { BLOCK }
276		502
277	Currently the same as Coro::async_pool, meaning you cannot use	503	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		508
283	BEGIN { *async = \&Coro::async_pool }	509	BEGIN { *async = \&Coro::async_pool }
284		510
285	=item cf::sync_job { BLOCK }	511	=item cf::sync_job { BLOCK }
286		512
287	The design of crossfire+ requires that the main coro ($Coro::main) is	513	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	514	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	515	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		516	acceptable.
290		517
291	If it must be done, put the blocking parts into C<sync_job>. This will run	518	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	519	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	520	server will be frozen during this time, so the block should either finish
294	fast or be very important.	521	fast or be very important.
…		…
296	=cut	523	=cut
297		524
298	sub sync_job(&) {	525	sub sync_job(&) {
299	my ($job) = @_;	526	my ($job) = @_;
300		527
301	if ($Coro::current == $Coro::main) {	528	if (in_main) {
		529	my $time = AE::time;
		530
302	# this is the main coro, too bad, we have to block	531	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	532	# till the operation succeeds, freezing the server :/
304		533
305	# TODO: use suspend/resume instead	534	#LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	535
307	my $freeze_guard = freeze_mainloop;	536	my $freeze_guard = freeze_mainloop;
308		537
309	my $busy = 1;	538	my $busy = 1;
310	my @res;	539	my @res;
311		540
312	(async {	541	(async {
		542	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	543	@res = eval { $job->() };
314	warn $@ if $@;	544	error $@ if $@;
315	undef $busy;	545	undef $busy;
316	})->prio (Coro::PRIO_MAX);	546	})->prio (Coro::PRIO_MAX);
317		547
318	while ($busy) {	548	while ($busy) {
319	Coro::cede or Event::one_event;	549	if (Coro::nready) {
		550	Coro::cede_notself;
		551	} else {
		552	EV::loop EV::LOOP_ONESHOT;
320	}	553	}
		554	}
		555
		556	my $time = AE::time - $time;
		557
		558	$TICK_START += $time; # do not account sync jobs to server load
321		559
322	wantarray ? @res : $res[0]	560	wantarray ? @res : $res[0]
323	} else {	561	} else {
324	# we are in another coroutine, how wonderful, everything just works	562	# we are in another coroutine, how wonderful, everything just works
325		563
…		…
345	$EXT_CORO{$coro+0} = $coro;	583	$EXT_CORO{$coro+0} = $coro;
346		584
347	$coro	585	$coro
348	}	586	}
349		587
350	sub write_runtime {	588	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		589
353	my $runtime = cf::localdir . "/runtime";	590	Executes the given code block with the given arguments in a seperate
		591	process, returning the results. Everything must be serialisable with
		592	Coro::Storable. May, of course, block. Note that the executed sub may
		593	never block itself or use any form of event handling.
354		594
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	595	=cut
356	or return;
357		596
358	my $value = $cf::RUNTIME + 90 + 10;	597	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	598	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		599
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	600	# we seemingly have to make a local copy of the whole thing,
363	and return;	601	# otherwise perl prematurely frees the stuff :/
		602	# TODO: investigate and fix (likely this will be rather laborious)
364		603
365	# always fsync - this file is important	604	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	605	reset_signals;
367	and return;	606	&$cb
		607	}, @args;
368		608
369	close $fh	609	wantarray ? @res : $res[-1]
370	or return;	610	}
371		611
372	aio_rename "$runtime~", $runtime	612	sub objinfo {
373	and return;
374
375	1	613	(
		614	"counter value" => cf::object::object_count,
		615	"objects created" => cf::object::create_count,
		616	"objects destroyed" => cf::object::destroy_count,
		617	"freelist size" => cf::object::free_count,
		618	"allocated objects" => cf::object::objects_size,
		619	"active objects" => cf::object::actives_size,
		620	)
		621	}
		622
		623	=item $coin = coin_from_name $name
		624
		625	=cut
		626
		627	our %coin_alias = (
		628	"silver" => "silvercoin",
		629	"silvercoin" => "silvercoin",
		630	"silvercoins" => "silvercoin",
		631	"gold" => "goldcoin",
		632	"goldcoin" => "goldcoin",
		633	"goldcoins" => "goldcoin",
		634	"platinum" => "platinacoin",
		635	"platinumcoin" => "platinacoin",
		636	"platinumcoins" => "platinacoin",
		637	"platina" => "platinacoin",
		638	"platinacoin" => "platinacoin",
		639	"platinacoins" => "platinacoin",
		640	"royalty" => "royalty",
		641	"royalties" => "royalty",
		642	);
		643
		644	sub coin_from_name($) {
		645	$coin_alias{$_[0]}
		646	? cf::arch::find $coin_alias{$_[0]}
		647	: undef
		648	}
		649
		650	=item $value = cf::db_get $family => $key
		651
		652	Returns a single value from the environment database.
		653
		654	=item cf::db_put $family => $key => $value
		655
		656	Stores the given C<$value> in the family. It can currently store binary
		657	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		658
		659	=item $db = cf::db_table "name"
		660
		661	Create and/or open a new database table. The string must not be "db" and must be unique
		662	within each server.
		663
		664	=cut
		665
		666	sub db_table($) {
		667	cf::error "db_get called from main context"
		668	if $Coro::current == $Coro::main;
		669
		670	my ($name) = @_;
		671	my $db = BDB::db_create $DB_ENV;
		672
		673	eval {
		674	$db->set_flags (BDB::CHKSUM);
		675
		676	utf8::encode $name;
		677	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		678	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		679	cf::cleanup "db_open(db): $!" if $!;
		680	};
		681	cf::cleanup "db_open(db): $@" if $@;
		682
		683	$db
		684	}
		685
		686	our $DB;
		687
		688	sub db_init {
		689	$DB ||= db_table "db";
		690	}
		691
		692	sub db_get($$) {
		693	my $key = "$_[0]/$_[1]";
		694
		695	cf::error "db_get called from main context"
		696	if $Coro::current == $Coro::main;
		697
		698	BDB::db_get $DB, undef, $key, my $data;
		699
		700	$! ? ()
		701	: $data
		702	}
		703
		704	sub db_put($$$) {
		705	BDB::dbreq_pri 4;
		706	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		707	}
		708
		709	=item cf::cache $id => [$paths...], $processversion => $process
		710
		711	Generic caching function that returns the value of the resource $id,
		712	caching and regenerating as required.
		713
		714	This function can block.
		715
		716	=cut
		717
		718	sub cache {
		719	my ($id, $src, $processversion, $process) = @_;
		720
		721	my $meta =
		722	join "\x00",
		723	$processversion,
		724	map {
		725	aio_stat $_
		726	and Carp::croak "$_: $!";
		727
		728	($_, (stat _)[7,9])
		729	} @$src;
		730
		731	my $dbmeta = db_get cache => "$id/meta";
		732	if ($dbmeta ne $meta) {
		733	# changed, we may need to process
		734
		735	my @data;
		736	my $md5;
		737
		738	for (0 .. $#$src) {
		739	0 <= aio_load $src->[$_], $data[$_]
		740	or Carp::croak "$src->[$_]: $!";
		741	}
		742
		743	# if processing is expensive, check
		744	# checksum first
		745	if (1) {
		746	$md5 =
		747	join "\x00",
		748	$processversion,
		749	map {
		750	cf::cede_to_tick;
		751	($src->[$_], Digest::MD5::md5_hex $data[$_])
		752	} 0.. $#$src;
		753
		754
		755	my $dbmd5 = db_get cache => "$id/md5";
		756	if ($dbmd5 eq $md5) {
		757	db_put cache => "$id/meta", $meta;
		758
		759	return db_get cache => "$id/data";
		760	}
		761	}
		762
		763	my $t1 = Time::HiRes::time;
		764	my $data = $process->(\@data);
		765	my $t2 = Time::HiRes::time;
		766
		767	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		768
		769	db_put cache => "$id/data", $data;
		770	db_put cache => "$id/md5" , $md5;
		771	db_put cache => "$id/meta", $meta;
		772
		773	return $data;
		774	}
		775
		776	db_get cache => "$id/data"
376	}	777	}
377		778
378	=item cf::datalog type => key => value, ...	779	=item cf::datalog type => key => value, ...
379		780
380	Log a datalog packet of the given type with the given key-value pairs.	781	Log a datalog packet of the given type with the given key-value pairs.
381		782
382	=cut	783	=cut
383		784
384	sub datalog($@) {	785	sub datalog($@) {
385	my ($type, %kv) = @_;	786	my ($type, %kv) = @_;
386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	787	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
387	}	788	}
388		789
389	=back	790	=back
390		791
391	=cut	792	=cut
392		793
393	#############################################################################	794	#############################################################################
394		795
395	=head2 ATTACHABLE OBJECTS	796	=head2 ATTACHABLE OBJECTS
396		797
397	Many objects in crossfire are so-called attachable objects. That means you can	798	Many objects in deliantra are so-called attachable objects. That means you can
398	attach callbacks/event handlers (a collection of which is called an "attachment")	799	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	800	to it. All such attachable objects support the following methods.
400		801
401	In the following description, CLASS can be any of C<global>, C<object>	802	In the following description, CLASS can be any of C<global>, C<object>
402	C<player>, C<client> or C<map> (i.e. the attachable objects in	803	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	804	Deliantra).
404		805
405	=over 4	806	=over 4
406		807
407	=item $attachable->attach ($attachment, key => $value...)	808	=item $attachable->attach ($attachment, key => $value...)
408		809
…		…
452	=item cf::CLASS::attachment $name, ...	853	=item cf::CLASS::attachment $name, ...
453		854
454	Register an attachment by C<$name> through which attachable objects of the	855	Register an attachment by C<$name> through which attachable objects of the
455	given CLASS can refer to this attachment.	856	given CLASS can refer to this attachment.
456		857
457	Some classes such as crossfire maps and objects can specify attachments	858	Some classes such as deliantra maps and objects can specify attachments
458	that are attached at load/instantiate time, thus the need for a name.	859	that are attached at load/instantiate time, thus the need for a name.
459		860
460	These calls expect any number of the following handler/hook descriptions:	861	These calls expect any number of the following handler/hook descriptions:
461		862
462	=over 4	863	=over 4
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	972	$registry = $CB_TYPE[$object_type] ||= [];
572		973
573	} elsif ($type eq "subtype") {	974	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	975	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	976	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	977	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		978
578	} elsif ($type eq "package") {	979	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	980	my $pkg = shift @arg;
580		981
581	while (my ($name, $id) = each %cb_id) {	982	while (my ($name, $id) = each %cb_id) {
…		…
586		987
587	} elsif (exists $cb_id{$type}) {	988	} elsif (exists $cb_id{$type}) {
588	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	989	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
589		990
590	} elsif (ref $type) {	991	} elsif (ref $type) {
591	warn "attaching objects not supported, ignoring.\n";	992	error "attaching objects not supported, ignoring.\n";
592		993
593	} else {	994	} else {
594	shift @arg;	995	shift @arg;
595	warn "attach argument '$type' not supported, ignoring.\n";	996	error "attach argument '$type' not supported, ignoring.\n";
596	}	997	}
597	}	998	}
598	}	999	}
599		1000
600	sub _object_attach {	1001	sub _object_attach {
…		…
610	_attach $registry, $klass, @attach;	1011	_attach $registry, $klass, @attach;
611	}	1012	}
612		1013
613	$obj->{$name} = \%arg;	1014	$obj->{$name} = \%arg;
614	} else {	1015	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	1016	info "object uses attachment '$name' which is not available, postponing.\n";
616	}	1017	}
617		1018
618	$obj->{_attachment}{$name} = undef;	1019	$obj->{_attachment}{$name} = undef;
619	}	1020	}
620		1021
…		…
622	if (ref $_[0]) {	1023	if (ref $_[0]) {
623	_object_attach @_;	1024	_object_attach @_;
624	} else {	1025	} else {
625	_attach shift->_attach_registry, @_;	1026	_attach shift->_attach_registry, @_;
626	}	1027	}
		1028	_recalc_want;
627	};	1029	};
628		1030
629	# all those should be optimised	1031	# all those should be optimised
630	sub cf::attachable::detach {	1032	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	1033	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	1036	delete $obj->{_attachment}{$name};
635	reattach ($obj);	1037	reattach ($obj);
636	} else {	1038	} else {
637	Carp::croak "cannot, currently, detach class attachments";	1039	Carp::croak "cannot, currently, detach class attachments";
638	}	1040	}
		1041	_recalc_want;
639	};	1042	};
640		1043
641	sub cf::attachable::attached {	1044	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	1045	my ($obj, $name) = @_;
643		1046
…		…
658	";	1061	";
659	die if $@;	1062	die if $@;
660	}	1063	}
661		1064
662	our $override;	1065	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1066	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		1067
665	sub override {	1068	sub override {
666	$override = 1;	1069	$override = 1;
667	@invoke_results = ();	1070	@INVOKE_RESULTS = (@_);
668	}	1071	}
669		1072
670	sub do_invoke {	1073	sub do_invoke {
671	my $event = shift;	1074	my $event = shift;
672	my $callbacks = shift;	1075	my $callbacks = shift;
673		1076
674	@invoke_results = ();	1077	@INVOKE_RESULTS = ();
675		1078
676	local $override;	1079	local $override;
677		1080
678	for (@$callbacks) {	1081	for (@$callbacks) {
679	eval { &{$_->[1]} };	1082	eval { &{$_->[1]} };
680		1083
681	if ($@) {	1084	if ($@) {
682	warn "$@";
683	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1085	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
684	override;	1086	override;
685	}	1087	}
686		1088
687	return 1 if $override;	1089	return 1 if $override;
688	}	1090	}
689		1091
690	0	1092	0
691	}	1093	}
692		1094
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1095	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1096
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1097	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1098
697	Generate an object-specific event with the given arguments.	1099	Generate an object-specific event with the given arguments.
698		1100
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1101	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700	removed in future versions), and there is no public API to access override	1102	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	1103	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1104
703	=back	1105	=back
704		1106
705	=cut	1107	=cut
706		1108
707	#############################################################################	1109	#############################################################################
708	# object support	1110	# object support
		1111
		1112	sub _object_equal($$);
		1113	sub _object_equal($$) {
		1114	my ($a, $b) = @_;
		1115
		1116	return 0 unless (ref $a) eq (ref $b);
		1117
		1118	if ("HASH" eq ref $a) {
		1119	my @ka = keys %$a;
		1120	my @kb = keys %$b;
		1121
		1122	return 0 if @ka != @kb;
		1123
		1124	for (0 .. $#ka) {
		1125	return 0 unless $ka[$_] eq $kb[$_];
		1126	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1127	}
		1128
		1129	} elsif ("ARRAY" eq ref $a) {
		1130
		1131	return 0 if @$a != @$b;
		1132
		1133	for (0 .. $#$a) {
		1134	return 0 unless _object_equal $a->[$_], $b->[$_];
		1135	}
		1136
		1137	} elsif ($a ne $b) {
		1138	return 0;
		1139	}
		1140
		1141	1
		1142	}
		1143
		1144	our $SLOW_MERGES;#d#
		1145	sub _can_merge {
		1146	my ($ob1, $ob2) = @_;
		1147
		1148	++$SLOW_MERGES;#d#
		1149
		1150	# we do the slow way here
		1151	return _object_equal $ob1, $ob2
		1152	}
709		1153
710	sub reattach {	1154	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1155	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1156	my ($obj) = @_;
713		1157
		1158	# no longer needed after getting rid of delete_package?
714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1159	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
715		1160
716	my $registry = $obj->registry;	1161	my $registry = $obj->registry;
717		1162
718	@$registry = ();	1163	@$registry = ();
719		1164
…		…
724	for (@$attach) {	1169	for (@$attach) {
725	my ($klass, @attach) = @$_;	1170	my ($klass, @attach) = @$_;
726	_attach $registry, $klass, @attach;	1171	_attach $registry, $klass, @attach;
727	}	1172	}
728	} else {	1173	} else {
729	warn "object uses attachment '$name' that is not available, postponing.\n";	1174	info "object uses attachment '$name' that is not available, postponing.\n";
730	}	1175	}
731	}	1176	}
732	}	1177	}
733		1178
734	cf::attachable->attach (	1179	cf::attachable->attach (
735	prio => -1000000,	1180	prio => -1000000,
736	on_instantiate => sub {	1181	on_instantiate => sub {
737	my ($obj, $data) = @_;	1182	my ($obj, $data) = @_;
738		1183
739	$data = from_json $data;	1184	$data = decode_json $data;
740		1185
741	for (@$data) {	1186	for (@$data) {
742	my ($name, $args) = @$_;	1187	my ($name, $args) = @$_;
743		1188
744	$obj->attach ($name, %{$args || {} });	1189	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1205	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1206	my ($filename, $rdata, $objs) = @_;
762		1207
763	sync_job {	1208	sync_job {
764	if (length $$rdata) {	1209	if (length $$rdata) {
		1210	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1211	trace sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1212	$decname, length $$rdata, scalar @$objs
		1213	if $VERBOSE_IO;
767		1214
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1215	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1216	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1217	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1218	if ($cf::USE_FSYNC) {
		1219	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;
		1220	aio_fsync $fh;
		1221	}
772	close $fh;	1222	aio_close $fh;
773		1223
774	if (@$objs) {	1224	if (@$objs) {
775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1225	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
776	chmod SAVE_MODE, $fh;	1226	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1227	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1228	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1229	if ($cf::USE_FSYNC) {
		1230	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;
		1231	aio_fsync $fh;
		1232	}
780	close $fh;	1233	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1234	aio_rename "$filename.pst~", "$filename.pst";
782	}	1235	}
783	} else {	1236	} else {
784	aio_unlink "$filename.pst";	1237	aio_unlink "$filename.pst";
785	}	1238	}
786		1239
787	aio_rename "$filename~", $filename;	1240	aio_rename "$filename~", $filename;
		1241
		1242	$filename =~ s%/[^/]+$%%;
		1243	aio_pathsync $filename if $cf::USE_FSYNC;
788	} else {	1244	} else {
789	warn "FATAL: $filename~: $!\n";	1245	error "unable to save objects: $filename~: $!\n";
790	}	1246	}
791	} else {	1247	} else {
792	aio_unlink $filename;	1248	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1249	aio_unlink "$filename.pst";
794	}	1250	}
795	}	1251	};
796	}	1252	}
797		1253
798	sub object_freezer_as_string {	1254	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1255	my ($rdata, $objs) = @_;
800		1256
…		…
812	or return;	1268	or return;
813		1269
814	unless (aio_stat "$filename.pst") {	1270	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1271	(aio_load "$filename.pst", $av) >= 0
816	or return;	1272	or return;
		1273
817	$av = eval { (Storable::thaw $av)->{objs} };	1274	my $st = eval { Coro::Storable::thaw $av };
		1275	$av = $st->{objs};
818	}	1276	}
819		1277
		1278	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1279	trace sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1280	$decname, length $data, scalar @{$av || []}
		1281	if $VERBOSE_IO;
		1282
822	return ($data, $av);	1283	($data, $av)
823	}	1284	}
		1285
		1286	=head2 COMMAND CALLBACKS
		1287
		1288	=over 4
		1289
		1290	=cut
824		1291
825	#############################################################################	1292	#############################################################################
826	# command handling &c	1293	# command handling &c
827		1294
828	=item cf::register_command $name => \&callback($ob,$args);	1295	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1308	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1309	}
843		1310
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1311	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1312
846	Register a callbackf ro execution when the client sends an extcmd packet.	1313	Register a callback for execution when the client sends an (synchronous)
		1314	extcmd packet. Ext commands will be processed in the order they are
		1315	received by the server, like other user commands. The first argument is
		1316	the logged-in player. Ext commands can only be processed after a player
		1317	has logged in successfully.
847		1318
848	If the callback returns something, it is sent back as if reply was being	1319	If the callback returns something, it is sent back as if reply was being
849	called.	1320	called.
850		1321
		1322	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1323
		1324	Register a callback for execution when the client sends an (asynchronous)
		1325	exticmd packet. Exti commands are processed by the server as soon as they
		1326	are received, i.e. out of order w.r.t. other commands. The first argument
		1327	is a client socket. Exti commands can be received anytime, even before
		1328	log-in.
		1329
		1330	If the callback returns something, it is sent back as if reply was being
		1331	called.
		1332
851	=cut	1333	=cut
852		1334
853	sub register_extcmd {	1335	sub register_extcmd {
854	my ($name, $cb) = @_;	1336	my ($name, $cb) = @_;
855		1337
856	$EXTCMD{$name} = $cb;	1338	$EXTCMD{$name} = $cb;
857	}	1339	}
858		1340
		1341	sub register_exticmd {
		1342	my ($name, $cb) = @_;
		1343
		1344	$EXTICMD{$name} = $cb;
		1345	}
		1346
		1347	use File::Glob ();
		1348
859	cf::player->attach (	1349	cf::player->attach (
860	on_command => sub {	1350	on_unknown_command => sub {
861	my ($pl, $name, $params) = @_;	1351	my ($pl, $name, $params) = @_;
862		1352
863	my $cb = $COMMAND{$name}	1353	my $cb = $COMMAND{$name}
864	or return;	1354	or return;
865		1355
…		…
870	cf::override;	1360	cf::override;
871	},	1361	},
872	on_extcmd => sub {	1362	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1363	my ($pl, $buf) = @_;
874		1364
875	my $msg = eval { from_json $buf };	1365	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1366
877	if (ref $msg) {	1367	if (ref $msg) {
		1368	my ($type, $reply, @payload) =
		1369	"ARRAY" eq ref $msg
		1370	? @$msg
		1371	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1372
		1373	my @reply;
		1374
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1375	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1376	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1377	}
		1378
		1379	$pl->ext_reply ($reply, @reply)
		1380	if $reply;
		1381
883	} else {	1382	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1383	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1384	}
886		1385
887	cf::override;	1386	cf::override;
888	},	1387	},
889	);	1388	);
890		1389
		1390	# "readahead" all extensions
891	sub load_extension {	1391	sub cache_extensions {
892	my ($path) = @_;	1392	my $grp = IO::AIO::aio_group;
893		1393
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1394	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
895	my $base = $1;	1395	for (grep /\.ext$/, @{$_[0]}) {
896	my $pkg = $1;	1396	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}	1397	}
919	die $@;
920	}	1398	};
921		1399
922	push @EXTS, $pkg;	1400	$grp
923	}	1401	}
924		1402
925	sub load_extensions {	1403	sub load_extensions {
		1404	info "loading extensions...";
		1405
		1406	cf::sync_job {
		1407	my %todo;
		1408
926	for my $ext (<$LIBDIR/*.ext>) {	1409	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1410	next unless -r $path;
928	eval {	1411
929	load_extension $ext;	1412	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1413	my $base = $1;
		1414	my $pkg = $1;
		1415	$pkg =~ s/[^[:word:]]/_/g;
		1416	$pkg = "ext::$pkg";
		1417
		1418	open my $fh, "<:utf8", $path
		1419	or die "$path: $!";
		1420
		1421	my $source = do { local $/; <$fh> };
		1422
		1423	my %ext = (
		1424	path => $path,
		1425	base => $base,
		1426	pkg => $pkg,
		1427	);
		1428
		1429	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1430	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1431
		1432	$ext{source} =
		1433	"package $pkg; use common::sense;\n"
		1434	. "#line 1 \"$path\"\n{\n"
		1435	. $source
		1436	. "\n};\n1";
		1437
		1438	$todo{$base} = \%ext;
		1439	}
		1440
		1441	my $pass = 0;
		1442	my %done;
		1443	while (%todo) {
		1444	my $progress;
		1445
		1446	++$pass;
		1447
		1448	ext:
		1449	while (my ($k, $v) = each %todo) {
		1450	for (split /,\s*/, $v->{meta}{depends}) {
		1451	next ext
		1452	unless exists $done{$_};
		1453	}
		1454
		1455	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1456
		1457	my $active = eval $v->{source};
		1458
		1459	if (length $@) {
		1460	error "$v->{path}: $@\n";
		1461
		1462	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1463	if exists $v->{meta}{mandatory};
		1464
		1465	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1466	delete $todo{$k};
		1467	} else {
		1468	$done{$k} = delete $todo{$k};
		1469	push @EXTS, $v->{pkg};
		1470	$progress = 1;
		1471
		1472	info "$v->{base}: extension inactive.\n"
		1473	unless $active;
		1474	}
930	1	1475	}
931	} or warn "$ext not loaded: $@";	1476
		1477	unless ($progress) {
		1478	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1479
		1480	while (my ($k, $v) = each %todo) {
		1481	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1482	if exists $v->{meta}{mandatory};
		1483	}
		1484	}
		1485	}
932	}	1486	};
933	}	1487	}
934		1488
935	#############################################################################	1489	#############################################################################
936		1490
		1491	=back
		1492
937	=head2 CORE EXTENSIONS	1493	=head2 CORE EXTENSIONS
938		1494
939	Functions and methods that extend core crossfire objects.	1495	Functions and methods that extend core deliantra objects.
940		1496
941	=cut	1497	=cut
942		1498
943	package cf::player;	1499	package cf::player;
944		1500
…		…
946		1502
947	=head3 cf::player	1503	=head3 cf::player
948		1504
949	=over 4	1505	=over 4
950		1506
		1507	=item cf::player::num_playing
		1508
		1509	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1510
		1511	=cut
		1512
		1513	sub num_playing {
		1514	scalar grep
		1515	$_->ob->map
		1516	&& !$_->hidden
		1517	&& !$_->ob->flag (cf::FLAG_WIZ),
		1518	cf::player::list
		1519	}
		1520
951	=item cf::player::find $login	1521	=item cf::player::find $login
952		1522
953	Returns the given player object, loading it if necessary (might block).	1523	Returns the given player object, loading it if necessary (might block).
954		1524
955	=cut	1525	=cut
956		1526
957	sub playerdir($) {	1527	sub playerdir($) {
958	cf::localdir	1528	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1529	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1530	}
964		1531
965	sub path($) {	1532	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1533	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1534
968	(playerdir $login) . "/$login.pl"	1535	(playerdir $login) . "/playerdata"
969	}	1536	}
970		1537
971	sub find_active($) {	1538	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1539	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1540	and $cf::PLAYER{$_[0]}->active
…		…
976		1543
977	sub exists($) {	1544	sub exists($) {
978	my ($login) = @_;	1545	my ($login) = @_;
979		1546
980	$cf::PLAYER{$login}	1547	$cf::PLAYER{$login}
981	or cf::sync_job { !aio_stat path $login }	1548	or !aio_stat path $login
982	}	1549	}
983		1550
984	sub find($) {	1551	sub find($) {
985	return $cf::PLAYER{$_[0]} || do {	1552	return $cf::PLAYER{$_[0]} || do {
986	my $login = $_[0];	1553	my $login = $_[0];
987		1554
988	my $guard = cf::lock_acquire "user_find:$login";	1555	my $guard = cf::lock_acquire "user_find:$login";
989		1556
990	$cf::PLAYER{$_[0]} || do {	1557	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1558	# rename old playerfiles to new ones
		1559	#TODO: remove when no longer required
		1560	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1561	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1562	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1563	aio_unlink +(playerdir $login) . "/$login.pl";
		1564
		1565	my $f = new_from_file cf::object::thawer path $login
992	or return;	1566	or return;
		1567
		1568	my $pl = cf::player::load_pl $f
		1569	or return;
		1570
		1571	local $cf::PLAYER_LOADING{$login} = $pl;
		1572	$f->resolve_delayed_derefs;
993	$cf::PLAYER{$login} = $pl	1573	$cf::PLAYER{$login} = $pl
994	}	1574	}
995	}	1575	}
996	}	1576	}
		1577
		1578	cf::player->attach (
		1579	on_load => sub {
		1580	my ($pl, $path) = @_;
		1581
		1582	# restore slots saved in save, below
		1583	my $slots = delete $pl->{_slots};
		1584
		1585	$pl->ob->current_weapon ($slots->[0]);
		1586	$pl->combat_ob ($slots->[1]);
		1587	$pl->ranged_ob ($slots->[2]);
		1588	},
		1589	);
997		1590
998	sub save($) {	1591	sub save($) {
999	my ($pl) = @_;	1592	my ($pl) = @_;
1000		1593
1001	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
…		…
1006	return if $pl->{deny_save};	1599	return if $pl->{deny_save};
1007		1600
1008	aio_mkdir playerdir $pl, 0770;	1601	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1602	$pl->{last_save} = $cf::RUNTIME;
1010		1603
		1604	cf::get_slot 0.01;
		1605
		1606	# save slots, to be restored later
		1607	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1608
1011	$pl->save_pl ($path);	1609	$pl->save_pl ($path);
1012	Coro::cede;	1610	cf::cede_to_tick;
1013	}	1611	}
1014		1612
1015	sub new($) {	1613	sub new($) {
1016	my ($login) = @_;	1614	my ($login) = @_;
1017		1615
…		…
1023	$cf::PLAYER{$login} = $self;	1621	$cf::PLAYER{$login} = $self;
1024		1622
1025	$self	1623	$self
1026	}	1624	}
1027		1625
		1626	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1627
		1628	=cut
		1629
		1630	sub send_msg {
		1631	my $ns = shift->ns
		1632	or return;
		1633	$ns->send_msg (@_);
		1634	}
		1635
1028	=item $pl->quit_character	1636	=item $pl->quit_character
1029		1637
1030	Nukes the player without looking back. If logged in, the connection will	1638	Nukes the player without looking back. If logged in, the connection will
1031	be destroyed. May block for a long time.	1639	be destroyed. May block for a long time.
1032		1640
…		…
1036	my ($pl) = @_;	1644	my ($pl) = @_;
1037		1645
1038	my $name = $pl->ob->name;	1646	my $name = $pl->ob->name;
1039		1647
1040	$pl->{deny_save} = 1;	1648	$pl->{deny_save} = 1;
1041	$pl->password ("*"); # this should lock out the player until we nuked the dir	1649	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1042		1650
1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1651	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1044	$pl->deactivate;	1652	$pl->deactivate;
		1653	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1654	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1046	$pl->ns->destroy if $pl->ns;	1655	$pl->ns->destroy if $pl->ns;
1047		1656
1048	my $path = playerdir $pl;	1657	my $path = playerdir $pl;
1049	my $temp = "$path~$cf::RUNTIME~deleting~";	1658	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1079	while and may block, so not sync_job-capable, ever.	1688	while and may block, so not sync_job-capable, ever.
1080		1689
1081	=cut	1690	=cut
1082		1691
1083	sub list_logins {	1692	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1693	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1694	or return [];
1086		1695
1087	my @logins;	1696	my @logins;
1088		1697
1089	for my $login (@$dirs) {	1698	for my $login (@$dirs) {
		1699	my $path = path $login;
		1700
		1701	# a .pst is a dead give-away for a valid player
		1702	# if no pst file found, open and chekc for blocked users
		1703	if (aio_stat "$path.pst") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1704	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1705	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1706	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1707	}
1093		1708
1094	utf8::decode $login;	1709	utf8::decode $login;
1095	push @logins, $login;	1710	push @logins, $login;
1096	}	1711	}
1097		1712
1098	\@logins	1713	\@logins
1099	}	1714	}
1100		1715
1101	=item $player->maps	1716	=item $player->maps
		1717
		1718	=item cf::player::maps $login
1102		1719
1103	Returns an arrayref of map paths that are private for this	1720	Returns an arrayref of map paths that are private for this
1104	player. May block.	1721	player. May block.
1105		1722
1106	=cut	1723	=cut
…		…
1124	}	1741	}
1125		1742
1126	\@paths	1743	\@paths
1127	}	1744	}
1128		1745
		1746	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1747
		1748	Expand deliantra pod fragments into protocol xml.
		1749
1129	=item $player->ext_reply ($msgid, %msg)	1750	=item $player->ext_reply ($msgid, @msg)
1130		1751
1131	Sends an ext reply to the player.	1752	Sends an ext reply to the player.
1132		1753
1133	=cut	1754	=cut
1134		1755
1135	sub ext_reply($$%) {	1756	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1757	my ($self, $id, @msg) = @_;
1137		1758
1138	$msg{msgid} = $id;	1759	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1760	}
1142		1761
1143	=item $player->ext_event ($type, %msg)	1762	=item $player->ext_msg ($type, @msg)
1144		1763
1145	Sends an ext event to the client.	1764	Sends an ext event to the client.
1146		1765
1147	=cut	1766	=cut
1148		1767
1149	sub ext_event($$%) {	1768	sub ext_msg($$@) {
1150	my ($self, $type, %msg) = @_;	1769	my ($self, $type, @msg) = @_;
1151		1770
1152	delete $msg{msgid};	1771	$self->ns->ext_msg ($type, @msg);
1153	$msg{msgtype} = "event";
1154	$msg{eventtype} = $type;
1155
1156	$self->send ("ext " . cf::to_json \%msg);
1157	}	1772	}
1158		1773
1159	package cf;	1774	=head3 cf::region
		1775
		1776	=over 4
		1777
		1778	=cut
		1779
		1780	package cf::region;
		1781
		1782	=item cf::region::find_by_path $path
		1783
		1784	Tries to decuce the likely region for a map knowing only its path.
		1785
		1786	=cut
		1787
		1788	sub find_by_path($) {
		1789	my ($path) = @_;
		1790
		1791	$path =~ s/^~[^\/]*//; # skip ~login
		1792
		1793	my ($match, $specificity);
		1794
		1795	for my $region (list) {
		1796	if ($region->{match} && $path =~ $region->{match}) {
		1797	($match, $specificity) = ($region, $region->specificity)
		1798	if $region->specificity > $specificity;
		1799	}
		1800	}
		1801
		1802	$match
		1803	}
1160		1804
1161	=back	1805	=back
1162
1163		1806
1164	=head3 cf::map	1807	=head3 cf::map
1165		1808
1166	=over 4	1809	=over 4
1167		1810
…		…
1179	our $MAX_RESET = 3600;	1822	our $MAX_RESET = 3600;
1180	our $DEFAULT_RESET = 3000;	1823	our $DEFAULT_RESET = 3000;
1181		1824
1182	sub generate_random_map {	1825	sub generate_random_map {
1183	my ($self, $rmp) = @_;	1826	my ($self, $rmp) = @_;
		1827
		1828	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1829
1184	# mit "rum" bekleckern, nicht	1830	# mit "rum" bekleckern, nicht
1185	$self->_create_random_map (	1831	$self->_create_random_map (
1186	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1832	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1187	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1833	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1188	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1834	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1189	$rmp->{exit_on_final_map},	1835	$rmp->{exit_on_final_map},
1190	$rmp->{xsize}, $rmp->{ysize},	1836	$rmp->{xsize}, $rmp->{ysize},
1191	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1837	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1192	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1838	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1207		1853
1208	sub register {	1854	sub register {
1209	my (undef, $regex, $prio) = @_;	1855	my (undef, $regex, $prio) = @_;
1210	my $pkg = caller;	1856	my $pkg = caller;
1211		1857
1212	no strict;
1213	push @{"$pkg\::ISA"}, __PACKAGE__;	1858	push @{"$pkg\::ISA"}, __PACKAGE__;
1214		1859
1215	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1860	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1216	}	1861	}
1217		1862
1218	# also paths starting with '/'	1863	# also paths starting with '/'
1219	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1864	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1220		1865
1221	sub thawer_merge {	1866	sub thawer_merge {
1222	my ($self, $merge) = @_;	1867	my ($self, $merge) = @_;
1223		1868
1224	# we have to keep some variables in memory intact	1869	# we have to keep some variables in memory intact
1225	local $self->{path};	1870	local $self->{path};
1226	local $self->{load_path};	1871	local $self->{load_path};
1227	local $self->{deny_save};
1228	local $self->{deny_reset};
1229		1872
1230	$self->SUPER::thawer_merge ($merge);	1873	$self->SUPER::thawer_merge ($merge);
1231	}	1874	}
1232		1875
1233	sub normalise {	1876	sub normalise {
1234	my ($path, $base) = @_;	1877	my ($path, $base) = @_;
1235		1878
1236	$path = "$path"; # make sure its a string	1879	$path = "$path"; # make sure it's a string
1237		1880
1238	$path =~ s/\.map$//;	1881	$path =~ s/\.map$//;
1239		1882
1240	# map plan:	1883	# map plan:
1241	#	1884	#
…		…
1280	$self->init; # pass $1 etc.	1923	$self->init; # pass $1 etc.
1281	return $self;	1924	return $self;
1282	}	1925	}
1283	}	1926	}
1284		1927
1285	Carp::carp "unable to resolve path '$path' (base '$base').";	1928	Carp::cluck "unable to resolve path '$path' (base '$base')";
1286	()	1929	()
1287	}	1930	}
1288		1931
1289	sub init {	1932	sub init {
1290	my ($self) = @_;	1933	my ($self) = @_;
…		…
1305		1948
1306	# the original (read-only) location	1949	# the original (read-only) location
1307	sub load_path {	1950	sub load_path {
1308	my ($self) = @_;	1951	my ($self) = @_;
1309		1952
1310	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1953	"$MAPDIR/$self->{path}.map"
1311	}	1954	}
1312		1955
1313	# the temporary/swap location	1956	# the temporary/swap location
1314	sub save_path {	1957	sub save_path {
1315	my ($self) = @_;	1958	my ($self) = @_;
1316		1959
1317	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1960	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1318	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1961	"$TMPDIR/$path.map"
1319	}	1962	}
1320		1963
1321	# the unique path, undef == no special unique path	1964	# the unique path, undef == no special unique path
1322	sub uniq_path {	1965	sub uniq_path {
1323	my ($self) = @_;	1966	my ($self) = @_;
1324		1967
1325	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1968	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1326	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1969	"$UNIQUEDIR/$path"
1327	}	1970	}
1328		1971
1329	# and all this just because we cannot iterate over	1972	sub decay_objects {
1330	# all maps in C++...
1331	sub change_all_map_light {
1332	my ($change) = @_;	1973	my ($self) = @_;
1333		1974
1334	$_->change_map_light ($change)	1975	return if $self->{deny_reset};
1335	for grep $_->outdoor, values %cf::MAP;	1976
		1977	$self->do_decay_objects;
1336	}	1978	}
1337		1979
1338	sub unlink_save {	1980	sub unlink_save {
1339	my ($self) = @_;	1981	my ($self) = @_;
1340		1982
…		…
1345		1987
1346	sub load_header_from($) {	1988	sub load_header_from($) {
1347	my ($self, $path) = @_;	1989	my ($self, $path) = @_;
1348		1990
1349	utf8::encode $path;	1991	utf8::encode $path;
1350	#aio_open $path, O_RDONLY, 0	1992	my $f = new_from_file cf::object::thawer $path
1351	# or return;
1352
1353	$self->_load_header ($path)
1354	or return;	1993	or return;
		1994
		1995	$self->_load_header ($f)
		1996	or return;
		1997
		1998	local $MAP_LOADING{$self->{path}} = $self;
		1999	$f->resolve_delayed_derefs;
1355		2000
1356	$self->{load_path} = $path;	2001	$self->{load_path} = $path;
1357		2002
1358	1	2003	1
1359	}	2004	}
…		…
1398	$self->load_header_orig	2043	$self->load_header_orig
1399	or return;	2044	or return;
1400	$self->prepare_orig;	2045	$self->prepare_orig;
1401	}	2046	}
1402		2047
		2048	$self->{deny_reset} = 1
		2049	if $self->no_reset;
		2050
		2051	$self->default_region (cf::region::find_by_path $self->{path})
		2052	unless $self->default_region;
		2053
1403	1	2054	1
1404	}	2055	}
1405		2056
1406	sub find;	2057	sub find;
1407	sub find {	2058	sub find {
1408	my ($path, $origin) = @_;	2059	my ($path, $origin) = @_;
1409		2060
		2061	cf::cede_to_tick;
		2062
1410	$path = normalise $path, $origin && $origin->path;	2063	$path = normalise $path, $origin && $origin->path;
1411		2064
		2065	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1412	cf::lock_wait "map_find:$path";	2066	my $guard2 = cf::lock_acquire "map_find:$path";
1413		2067
1414	$cf::MAP{$path} || do {	2068	$cf::MAP{$path} || do {
1415	my $guard = cf::lock_acquire "map_find:$path";
1416	my $map = new_from_path cf::map $path	2069	my $map = new_from_path cf::map $path
1417	or return;	2070	or return;
1418		2071
1419	$map->{last_save} = $cf::RUNTIME;	2072	$map->{last_save} = $cf::RUNTIME;
1420		2073
1421	$map->load_header	2074	$map->load_header
1422	or return;	2075	or return;
1423		2076
1424	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2077	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1425	# doing this can freeze the server in a sync job, obviously	2078	# doing this can freeze the server in a sync job, obviously
1426	#$cf::WAIT_FOR_TICK->wait;	2079	#$cf::WAIT_FOR_TICK->wait;
		2080	undef $guard2;
		2081	undef $guard1;
1427	$map->reset;	2082	$map->reset;
1428	undef $guard;
1429	return find $path;	2083	return find $path;
1430	}	2084	}
1431		2085
1432	$cf::MAP{$path} = $map	2086	$cf::MAP{$path} = $map
1433	}	2087	}
1434	}	2088	}
1435		2089
1436	sub pre_load { }	2090	sub pre_load { }
1437	sub post_load { }	2091	#sub post_load { } # XS
1438		2092
1439	sub load {	2093	sub load {
1440	my ($self) = @_;	2094	my ($self) = @_;
1441		2095
1442	local $self->{deny_reset} = 1; # loading can take a long time	2096	local $self->{deny_reset} = 1; # loading can take a long time
1443		2097
1444	my $path = $self->{path};	2098	my $path = $self->{path};
		2099
		2100	{
1445	my $guard = cf::lock_acquire "map_load:$path";	2101	my $guard = cf::lock_acquire "map_data:$path";
1446		2102
		2103	return unless $self->valid;
1447	return if $self->in_memory != cf::MAP_SWAPPED;	2104	return unless $self->in_memory == cf::MAP_SWAPPED;
1448		2105
1449	$self->in_memory (cf::MAP_LOADING);	2106	$self->in_memory (cf::MAP_LOADING);
1450		2107
1451	$self->alloc;	2108	$self->alloc;
1452		2109
1453	$self->pre_load;	2110	$self->pre_load;
		2111	cf::cede_to_tick;
1454		2112
1455	$self->_load_objects ($self->{load_path}, 1)	2113	my $f = new_from_file cf::object::thawer $self->{load_path};
		2114	$f->skip_block;
		2115	$self->_load_objects ($f)
1456	or return;	2116	or return;
1457		2117
1458	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2118	$self->post_load_original
1459	if delete $self->{load_original};	2119	if delete $self->{load_original};
1460		2120
1461	if (my $uniq = $self->uniq_path) {	2121	if (my $uniq = $self->uniq_path) {
1462	utf8::encode $uniq;	2122	utf8::encode $uniq;
1463	if (aio_open $uniq, O_RDONLY, 0) {	2123	unless (aio_stat $uniq) {
		2124	if (my $f = new_from_file cf::object::thawer $uniq) {
1464	$self->clear_unique_items;	2125	$self->clear_unique_items;
1465	$self->_load_objects ($uniq, 0);	2126	$self->_load_objects ($f);
		2127	$f->resolve_delayed_derefs;
		2128	}
1466	}	2129	}
1467	}	2130	}
1468		2131
1469	Coro::cede;	2132	$f->resolve_delayed_derefs;
1470		2133
		2134	cf::cede_to_tick;
1471	# now do the right thing for maps	2135	# now do the right thing for maps
1472	$self->link_multipart_objects;	2136	$self->link_multipart_objects;
1473
1474	unless ($self->{deny_activate}) {
1475	$self->decay_objects;
1476	$self->fix_auto_apply;
1477	$self->update_buttons;
1478	Coro::cede;
1479	$self->set_darkness_map;
1480	$self->difficulty ($self->estimate_difficulty)	2137	$self->difficulty ($self->estimate_difficulty)
1481	unless $self->difficulty;	2138	unless $self->difficulty;
1482	Coro::cede;	2139	cf::cede_to_tick;
		2140
		2141	unless ($self->{deny_activate}) {
		2142	$self->decay_objects;
		2143	$self->fix_auto_apply;
		2144	$self->update_buttons;
		2145	cf::cede_to_tick;
1483	$self->activate;	2146	$self->activate;
		2147	}
		2148
		2149	$self->{last_save} = $cf::RUNTIME;
		2150	$self->last_access ($cf::RUNTIME);
		2151
		2152	$self->in_memory (cf::MAP_ACTIVE);
1484	}	2153	}
1485		2154
1486	$self->post_load;	2155	$self->post_load;
1487
1488	$self->in_memory (cf::MAP_IN_MEMORY);
1489	}	2156	}
1490		2157
		2158	# customize the map for a given player, i.e.
		2159	# return the _real_ map. used by e.g. per-player
		2160	# maps to change the path to ~playername/mappath
1491	sub customise_for {	2161	sub customise_for {
1492	my ($self, $ob) = @_;	2162	my ($self, $ob) = @_;
1493		2163
1494	return find "~" . $ob->name . "/" . $self->{path}	2164	return find "~" . $ob->name . "/" . $self->{path}
1495	if $self->per_player;	2165	if $self->per_player;
1496		2166
		2167	# return find "?party/" . $ob->name . "/" . $self->{path}
		2168	# if $self->per_party;
		2169
1497	$self	2170	$self
1498	}	2171	}
1499		2172
1500	# find and load all maps in the 3x3 area around a map	2173	# find and load all maps in the 3x3 area around a map
1501	sub load_diag {	2174	sub load_neighbours {
1502	my ($map) = @_;	2175	my ($map) = @_;
1503		2176
1504	my @diag; # diagonal neighbours	2177	my @neigh; # diagonal neighbours
1505		2178
1506	for (0 .. 3) {	2179	for (0 .. 3) {
1507	my $neigh = $map->tile_path ($_)	2180	my $neigh = $map->tile_path ($_)
1508	or next;	2181	or next;
1509	$neigh = find $neigh, $map	2182	$neigh = find $neigh, $map
1510	or next;	2183	or next;
1511	$neigh->load;	2184	$neigh->load;
1512		2185
		2186	# now find the diagonal neighbours
		2187	push @neigh,
1513	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2188	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1514	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2189	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1515	}	2190	}
1516		2191
1517	for (@diag) {	2192	for (grep defined $_->[0], @neigh) {
		2193	my ($path, $origin) = @$_;
1518	my $neigh = find @$_	2194	my $neigh = find $path, $origin
1519	or next;	2195	or next;
1520	$neigh->load;	2196	$neigh->load;
1521	}	2197	}
1522	}	2198	}
1523		2199
1524	sub find_sync {	2200	sub find_sync {
1525	my ($path, $origin) = @_;	2201	my ($path, $origin) = @_;
1526		2202
1527	cf::sync_job { find $path, $origin }	2203	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2204	if $Coro::current == $Coro::main;
		2205
		2206	find $path, $origin
1528	}	2207	}
1529		2208
1530	sub do_load_sync {	2209	sub do_load_sync {
1531	my ($map) = @_;	2210	my ($map) = @_;
1532		2211
1533	cf::sync_job { $map->load };	2212	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2213	if $Coro::current == $Coro::main;
		2214
		2215	$map->load;
1534	}	2216	}
1535		2217
1536	our %MAP_PREFETCH;	2218	our %MAP_PREFETCH;
1537	our $MAP_PREFETCHER = undef;	2219	our $MAP_PREFETCHER = undef;
1538		2220
1539	sub find_async {	2221	sub find_async {
1540	my ($path, $origin) = @_;	2222	my ($path, $origin, $load) = @_;
1541		2223
1542	$path = normalise $path, $origin && $origin->{path};	2224	$path = normalise $path, $origin && $origin->{path};
1543		2225
1544	if (my $map = $cf::MAP{$path}) {	2226	if (my $map = $cf::MAP{$path}) {
1545	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2227	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1546	}	2228	}
1547		2229
1548	undef $MAP_PREFETCH{$path};	2230	$MAP_PREFETCH{$path} |= $load;
		2231
1549	$MAP_PREFETCHER ||= cf::async {	2232	$MAP_PREFETCHER ||= cf::async {
		2233	$Coro::current->{desc} = "map prefetcher";
		2234
1550	while (%MAP_PREFETCH) {	2235	while (%MAP_PREFETCH) {
1551	for my $path (keys %MAP_PREFETCH) {	2236	while (my ($k, $v) = each %MAP_PREFETCH) {
1552	my $map = find $path	2237	if (my $map = find $k) {
1553	or next;
1554	$map->load;	2238	$map->load if $v;
		2239	}
1555		2240
1556	delete $MAP_PREFETCH{$path};	2241	delete $MAP_PREFETCH{$k};
1557	}	2242	}
1558	}	2243	}
1559	undef $MAP_PREFETCHER;	2244	undef $MAP_PREFETCHER;
1560	};	2245	};
1561	$MAP_PREFETCHER->prio (6);	2246	$MAP_PREFETCHER->prio (6);
1562		2247
1563	()	2248	()
1564	}	2249	}
1565		2250
		2251	# common code, used by both ->save and ->swapout
1566	sub save {	2252	sub _save {
1567	my ($self) = @_;	2253	my ($self) = @_;
1568
1569	my $lock = cf::lock_acquire "map_data:" . $self->path;
1570		2254
1571	$self->{last_save} = $cf::RUNTIME;	2255	$self->{last_save} = $cf::RUNTIME;
1572		2256
1573	return unless $self->dirty;	2257	return unless $self->dirty;
1574		2258
…		…
1580	return if $self->{deny_save};	2264	return if $self->{deny_save};
1581		2265
1582	local $self->{last_access} = $self->last_access;#d#	2266	local $self->{last_access} = $self->last_access;#d#
1583		2267
1584	cf::async {	2268	cf::async {
		2269	$Coro::current->{desc} = "map player save";
1585	$_->contr->save for $self->players;	2270	$_->contr->save for $self->players;
1586	};	2271	};
		2272
		2273	cf::get_slot 0.02;
1587		2274
1588	if ($uniq) {	2275	if ($uniq) {
1589	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2276	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1590	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2277	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1591	} else {	2278	} else {
1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2279	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1593	}	2280	}
1594	}	2281	}
1595		2282
		2283	sub save {
		2284	my ($self) = @_;
		2285
		2286	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2287
		2288	$self->_save;
		2289	}
		2290
1596	sub swap_out {	2291	sub swap_out {
1597	my ($self) = @_;	2292	my ($self) = @_;
1598		2293
1599	# save first because save cedes
1600	$self->save;
1601
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2294	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2295
		2296	return if $self->in_memory != cf::MAP_ACTIVE;
		2297	return if $self->{deny_save};
1604	return if $self->players;	2298	return if $self->players;
1605	return if $self->in_memory != cf::MAP_IN_MEMORY;
1606	return if $self->{deny_save};
1607		2299
		2300	# first deactivate the map and "unlink" it from the core
		2301	$self->deactivate;
		2302	$_->clear_links_to ($self) for values %cf::MAP;
		2303	$self->in_memory (cf::MAP_SWAPPED);
		2304
		2305	# then atomically save
		2306	$self->_save;
		2307
		2308	# then free the map
1608	$self->clear;	2309	$self->clear;
1609	$self->in_memory (cf::MAP_SWAPPED);
1610	}	2310	}
1611		2311
1612	sub reset_at {	2312	sub reset_at {
1613	my ($self) = @_;	2313	my ($self) = @_;
1614		2314
1615	# TODO: safety, remove and allow resettable per-player maps	2315	# TODO: safety, remove and allow resettable per-player maps
1616	return 1e99 if $self->isa ("ext::map_per_player");#d#
1617	return 1e99 if $self->{deny_reset};	2316	return 1e99 if $self->{deny_reset};
1618		2317
1619	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2318	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1620	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2319	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1621		2320
…		…
1632	my ($self) = @_;	2331	my ($self) = @_;
1633		2332
1634	my $lock = cf::lock_acquire "map_data:$self->{path}";	2333	my $lock = cf::lock_acquire "map_data:$self->{path}";
1635		2334
1636	return if $self->players;	2335	return if $self->players;
1637	return if $self->isa ("ext::map_per_player");#d#
1638		2336
1639	warn "resetting map ", $self->path;#d#	2337	cf::trace "resetting map ", $self->path, "\n";
1640		2338
1641	$self->in_memory (cf::MAP_SWAPPED);	2339	$self->in_memory (cf::MAP_SWAPPED);
1642		2340
1643	# need to save uniques path	2341	# need to save uniques path
1644	unless ($self->{deny_save}) {	2342	unless ($self->{deny_save}) {
…		…
1648	if $uniq;	2346	if $uniq;
1649	}	2347	}
1650		2348
1651	delete $cf::MAP{$self->path};	2349	delete $cf::MAP{$self->path};
1652		2350
		2351	$self->deactivate;
		2352	$_->clear_links_to ($self) for values %cf::MAP;
1653	$self->clear;	2353	$self->clear;
1654
1655	$_->clear_links_to ($self) for values %cf::MAP;
1656		2354
1657	$self->unlink_save;	2355	$self->unlink_save;
1658	$self->destroy;	2356	$self->destroy;
1659	}	2357	}
1660		2358
1661	my $nuke_counter = "aaaa";	2359	my $nuke_counter = "aaaa";
1662		2360
1663	sub nuke {	2361	sub nuke {
1664	my ($self) = @_;	2362	my ($self) = @_;
1665		2363
		2364	{
		2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2366
1666	delete $cf::MAP{$self->path};	2367	delete $cf::MAP{$self->path};
1667		2368
1668	$self->unlink_save;	2369	$self->unlink_save;
1669		2370
1670	bless $self, "cf::map";	2371	bless $self, "cf::map::wrap";
1671	delete $self->{deny_reset};	2372	delete $self->{deny_reset};
1672	$self->{deny_save} = 1;	2373	$self->{deny_save} = 1;
1673	$self->reset_timeout (1);	2374	$self->reset_timeout (1);
1674	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2375	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1675		2376
1676	$cf::MAP{$self->path} = $self;	2377	$cf::MAP{$self->path} = $self;
		2378	}
1677		2379
1678	$self->reset; # polite request, might not happen	2380	$self->reset; # polite request, might not happen
		2381	}
		2382
		2383	=item $maps = cf::map::tmp_maps
		2384
		2385	Returns an arrayref with all map paths of currently instantiated and saved
		2386	maps. May block.
		2387
		2388	=cut
		2389
		2390	sub tmp_maps() {
		2391	[
		2392	map {
		2393	utf8::decode $_;
		2394	/\.map$/
		2395	? normalise $_
		2396	: ()
		2397	} @{ aio_readdir $TMPDIR or [] }
		2398	]
		2399	}
		2400
		2401	=item $maps = cf::map::random_maps
		2402
		2403	Returns an arrayref with all map paths of currently instantiated and saved
		2404	random maps. May block.
		2405
		2406	=cut
		2407
		2408	sub random_maps() {
		2409	[
		2410	map {
		2411	utf8::decode $_;
		2412	/\.map$/
		2413	? normalise "?random/$_"
		2414	: ()
		2415	} @{ aio_readdir $RANDOMDIR or [] }
		2416	]
1679	}	2417	}
1680		2418
1681	=item cf::map::unique_maps	2419	=item cf::map::unique_maps
1682		2420
1683	Returns an arrayref of paths of all shared maps that have	2421	Returns an arrayref of paths of all shared maps that have
1684	instantiated unique items. May block.	2422	instantiated unique items. May block.
1685		2423
1686	=cut	2424	=cut
1687		2425
1688	sub unique_maps() {	2426	sub unique_maps() {
1689	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2427	[
1690	or return;	2428	map {
1691
1692	my @paths;
1693
1694	for (@$files) {
1695	utf8::decode $_;	2429	utf8::decode $_;
1696	next if /\.pst$/;	2430	s/\.map$//; # TODO future compatibility hack
1697	next unless /^$PATH_SEP/o;	2431	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1698		2432	? ()
1699	push @paths, cf::map::normalise $_;	2433	: normalise $_
		2434	} @{ aio_readdir $UNIQUEDIR or [] }
1700	}	2435	]
1701
1702	\@paths
1703	}	2436	}
1704		2437
1705	package cf;	2438	=item cf::map::static_maps
		2439
		2440	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2441	file in the shared directory excluding F</styles> and F</editor>). May
		2442	block.
		2443
		2444	=cut
		2445
		2446	sub static_maps() {
		2447	my @dirs = "";
		2448	my @maps;
		2449
		2450	while (@dirs) {
		2451	my $dir = shift @dirs;
		2452
		2453	next if $dir eq "/styles" || $dir eq "/editor";
		2454
		2455	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2456	or return;
		2457
		2458	for (@$files) {
		2459	s/\.map$// or next;
		2460	utf8::decode $_;
		2461	push @maps, "$dir/$_";
		2462	}
		2463
		2464	push @dirs, map "$dir/$_", @$dirs;
		2465	}
		2466
		2467	\@maps
		2468	}
1706		2469
1707	=back	2470	=back
1708		2471
1709	=head3 cf::object	2472	=head3 cf::object
1710		2473
…		…
1714		2477
1715	=over 4	2478	=over 4
1716		2479
1717	=item $ob->inv_recursive	2480	=item $ob->inv_recursive
1718		2481
1719	Returns the inventory of the object _and_ their inventories, recursively.	2482	Returns the inventory of the object I<and> their inventories, recursively,
		2483	but I<not> the object itself.
1720		2484
1721	=cut	2485	=cut
1722		2486
1723	sub inv_recursive_;	2487	sub inv_recursive_;
1724	sub inv_recursive_ {	2488	sub inv_recursive_ {
…		…
1727		2491
1728	sub inv_recursive {	2492	sub inv_recursive {
1729	inv_recursive_ inv $_[0]	2493	inv_recursive_ inv $_[0]
1730	}	2494	}
1731		2495
		2496	=item $ref = $ob->ref
		2497
		2498	Creates and returns a persistent reference to an object that can be stored as a string.
		2499
		2500	=item $ob = cf::object::deref ($refstring)
		2501
		2502	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2503	even if the object actually exists. May block.
		2504
		2505	=cut
		2506
		2507	sub deref {
		2508	my ($ref) = @_;
		2509
		2510	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2511	my ($uuid, $name) = ($1, $2);
		2512	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2513	or return;
		2514	$pl->ob->uuid eq $uuid
		2515	or return;
		2516
		2517	$pl->ob
		2518	} else {
		2519	warn "$ref: cannot resolve object reference\n";
		2520	undef
		2521	}
		2522	}
		2523
1732	package cf;	2524	package cf;
1733		2525
1734	=back	2526	=back
1735		2527
1736	=head3 cf::object::player	2528	=head3 cf::object::player
…		…
1742	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2534	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1743	can be C<undef>. Does the right thing when the player is currently in a	2535	can be C<undef>. Does the right thing when the player is currently in a
1744	dialogue with the given NPC character.	2536	dialogue with the given NPC character.
1745		2537
1746	=cut	2538	=cut
		2539
		2540	our $SAY_CHANNEL = {
		2541	id => "say",
		2542	title => "Map",
		2543	reply => "say ",
		2544	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2545	};
		2546
		2547	our $CHAT_CHANNEL = {
		2548	id => "chat",
		2549	title => "Chat",
		2550	reply => "chat ",
		2551	tooltip => "Player chat and shouts, global to the server.",
		2552	};
1747		2553
1748	# rough implementation of a future "reply" method that works	2554	# rough implementation of a future "reply" method that works
1749	# with dialog boxes.	2555	# with dialog boxes.
1750	#TODO: the first argument must go, split into a $npc->reply_to ( method	2556	#TODO: the first argument must go, split into a $npc->reply_to ( method
1751	sub cf::object::player::reply($$$;$) {	2557	sub cf::object::player::reply($$$;$) {
…		…
1753		2559
1754	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2560	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1755		2561
1756	if ($self->{record_replies}) {	2562	if ($self->{record_replies}) {
1757	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2563	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2564
1758	} else {	2565	} else {
		2566	my $pl = $self->contr;
		2567
		2568	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2569	my $dialog = $pl->{npc_dialog};
		2570	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2571
		2572	} else {
1759	$msg = $npc->name . " says: $msg" if $npc;	2573	$msg = $npc->name . " says: $msg" if $npc;
1760	$self->message ($msg, $flags);	2574	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2575	}
1761	}	2576	}
		2577	}
		2578
		2579	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2580
		2581	=cut
		2582
		2583	sub cf::object::send_msg {
		2584	my $pl = shift->contr
		2585	or return;
		2586	$pl->send_msg (@_);
1762	}	2587	}
1763		2588
1764	=item $player_object->may ("access")	2589	=item $player_object->may ("access")
1765		2590
1766	Returns wether the given player is authorized to access resource "access"	2591	Returns wether the given player is authorized to access resource "access"
…		…
1779		2604
1780	=item $player_object->enter_link	2605	=item $player_object->enter_link
1781		2606
1782	Freezes the player and moves him/her to a special map (C<{link}>).	2607	Freezes the player and moves him/her to a special map (C<{link}>).
1783		2608
1784	The player should be reasonably safe there for short amounts of time. You	2609	The player should be reasonably safe there for short amounts of time (e.g.
1785	I<MUST> call C<leave_link> as soon as possible, though.	2610	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2611	though, as the player cannot control the character while it is on the link
		2612	map.
1786		2613
1787	Will never block.	2614	Will never block.
1788		2615
1789	=item $player_object->leave_link ($map, $x, $y)	2616	=item $player_object->leave_link ($map, $x, $y)
1790		2617
…		…
1810	sub cf::object::player::enter_link {	2637	sub cf::object::player::enter_link {
1811	my ($self) = @_;	2638	my ($self) = @_;
1812		2639
1813	$self->deactivate_recursive;	2640	$self->deactivate_recursive;
1814		2641
		2642	++$self->{_link_recursion};
		2643
1815	return if UNIVERSAL::isa $self->map, "ext::map_link";	2644	return if UNIVERSAL::isa $self->map, "ext::map_link";
1816		2645
1817	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2646	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1818	if $self->map;	2647	if $self->map && $self->map->{path} ne "{link}";
1819		2648
1820	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2649	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1821	}	2650	}
1822		2651
1823	sub cf::object::player::leave_link {	2652	sub cf::object::player::leave_link {
1824	my ($self, $map, $x, $y) = @_;	2653	my ($self, $map, $x, $y) = @_;
		2654
		2655	return unless $self->contr->active;
1825		2656
1826	my $link_pos = delete $self->{_link_pos};	2657	my $link_pos = delete $self->{_link_pos};
1827		2658
1828	unless ($map) {	2659	unless ($map) {
1829	# restore original map position	2660	# restore original map position
…		…
1840	($x, $y) = (-1, -1)	2671	($x, $y) = (-1, -1)
1841	unless (defined $x) && (defined $y);	2672	unless (defined $x) && (defined $y);
1842		2673
1843	# use -1 or undef as default coordinates, not 0, 0	2674	# use -1 or undef as default coordinates, not 0, 0
1844	($x, $y) = ($map->enter_x, $map->enter_y)	2675	($x, $y) = ($map->enter_x, $map->enter_y)
1845	if $x <=0 && $y <= 0;	2676	if $x <= 0 && $y <= 0;
1846		2677
1847	$map->load;	2678	$map->load;
1848	$map->load_diag;	2679	$map->load_neighbours;
1849		2680
1850	return unless $self->contr->active;	2681	return unless $self->contr->active;
1851	$self->activate_recursive;
1852		2682
1853	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2683	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1854	$self->enter_map ($map, $x, $y);	2684	if ($self->enter_map ($map, $x, $y)) {
1855	}	2685	# entering was successful
1856		2686	delete $self->{_link_recursion};
1857	cf::player->attach (	2687	# only activate afterwards, to support waiting in hooks
1858	on_logout => sub {	2688	$self->activate_recursive;
1859	my ($pl) = @_;
1860
1861	# abort map switching before logout
1862	if ($pl->ob->{_link_pos}) {
1863	cf::sync_job {
1864	$pl->ob->leave_link
1865	};
1866	}
1867	},	2689	}
1868	on_login => sub {
1869	my ($pl) = @_;
1870		2690
1871	# try to abort aborted map switching on player login :)	2691	}
1872	# should happen only on crashes
1873	if ($pl->ob->{_link_pos}) {
1874	$pl->ob->enter_link;
1875	(async {
1876	$pl->ob->reply (undef,
1877	"There was an internal problem at your last logout, "
1878	. "the server will try to bring you to your intended destination in a second.",
1879	cf::NDI_RED);
1880	# we need this sleep as the login has a concurrent enter_exit running
1881	# and this sleep increases chances of the player not ending up in scorn
1882	Coro::Timer::sleep 1;
1883	$pl->ob->leave_link;
1884	})->prio (2);
1885	}
1886	},
1887	);
1888		2692
1889	=item $player_object->goto ($path, $x, $y)	2693	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1890		2694
		2695	Moves the player to the given map-path and coordinates by first freezing
		2696	her, loading and preparing them map, calling the provided $check callback
		2697	that has to return the map if sucecssful, and then unfreezes the player on
		2698	the new (success) or old (failed) map position. In either case, $done will
		2699	be called at the end of this process.
		2700
		2701	Note that $check will be called with a potentially non-loaded map, so if
		2702	it needs a loaded map it has to call C<< ->load >>.
		2703
1891	=cut	2704	=cut
		2705
		2706	our $GOTOGEN;
1892		2707
1893	sub cf::object::player::goto {	2708	sub cf::object::player::goto {
1894	my ($self, $path, $x, $y) = @_;	2709	my ($self, $path, $x, $y, $check, $done) = @_;
		2710
		2711	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2712	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2713	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2714	($path, $x, $y) = @$EMERGENCY_POSITION;
		2715	}
		2716
		2717	# do generation counting so two concurrent goto's will be executed in-order
		2718	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1895		2719
1896	$self->enter_link;	2720	$self->enter_link;
1897		2721
1898	(async {	2722	(async {
		2723	$Coro::current->{desc} = "player::goto $path $x $y";
		2724
		2725	# *tag paths override both path and x|y
		2726	if ($path =~ /^\*(.*)$/) {
		2727	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2728	my $ob = $obs[rand @obs];
		2729
		2730	# see if we actually can go there
		2731	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2732	$ob = $obs[rand @obs];
		2733	} else {
		2734	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2735	}
		2736	# else put us there anyways for now #d#
		2737
		2738	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2739	} else {
		2740	($path, $x, $y) = (undef, undef, undef);
		2741	}
		2742	}
		2743
1899	my $map = eval {	2744	my $map = eval {
1900	my $map = cf::map::find $path;	2745	my $map = defined $path ? cf::map::find $path : undef;
		2746
		2747	if ($map) {
1901	$map = $map->customise_for ($self) if $map;	2748	$map = $map->customise_for ($self);
		2749	$map = $check->($map, $x, $y, $self) if $check && $map;
		2750	} else {
		2751	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2752	}
		2753
1902	$map	2754	$map
		2755	};
		2756
		2757	if ($@) {
		2758	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2759	LOG llevError | logBacktrace, Carp::longmess $@;
1903	} or	2760	}
1904	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1905		2761
		2762	if ($gen == $self->{_goto_generation}) {
		2763	delete $self->{_goto_generation};
1906	$self->leave_link ($map, $x, $y);	2764	$self->leave_link ($map, $x, $y);
		2765	}
		2766
		2767	$done->($self) if $done;
1907	})->prio (1);	2768	})->prio (1);
1908	}	2769	}
1909		2770
1910	=item $player_object->enter_exit ($exit_object)	2771	=item $player_object->enter_exit ($exit_object)
1911		2772
…		…
1931	}	2792	}
1932		2793
1933	sub prepare_random_map {	2794	sub prepare_random_map {
1934	my ($exit) = @_;	2795	my ($exit) = @_;
1935		2796
1936	my $guard = cf::lock_acquire "exit_prepare:$exit";
1937
1938	# all this does is basically replace the /! path by	2797	# all this does is basically replace the /! path by
1939	# a new random map path (?random/...) with a seed	2798	# a new random map path (?random/...) with a seed
1940	# that depends on the exit object	2799	# that depends on the exit object
1941		2800
1942	my $rmp = parse_random_map_params $exit->msg;	2801	my $rmp = parse_random_map_params $exit->msg;
…		…
1944	if ($exit->map) {	2803	if ($exit->map) {
1945	$rmp->{region} = $exit->region->name;	2804	$rmp->{region} = $exit->region->name;
1946	$rmp->{origin_map} = $exit->map->path;	2805	$rmp->{origin_map} = $exit->map->path;
1947	$rmp->{origin_x} = $exit->x;	2806	$rmp->{origin_x} = $exit->x;
1948	$rmp->{origin_y} = $exit->y;	2807	$rmp->{origin_y} = $exit->y;
		2808
		2809	$exit->map->touch;
1949	}	2810	}
1950		2811
1951	$rmp->{random_seed} ||= $exit->random_seed;	2812	$rmp->{random_seed} ||= $exit->random_seed;
1952		2813
1953	my $data = cf::to_json $rmp;	2814	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1954	my $md5 = Digest::MD5::md5_hex $data;	2815	my $md5 = Digest::MD5::md5_hex $data;
1955	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2816	my $meta = "$RANDOMDIR/$md5.meta";
1956		2817
1957	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2818	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1958	aio_write $fh, 0, (length $data), $data, 0;	2819	aio_write $fh, 0, (length $data), $data, 0;
1959	undef $fh;	2820	undef $fh;
1960	aio_rename "$meta~", $meta;	2821	aio_rename "$meta~", $meta;
1961		2822
		2823	my $slaying = "?random/$md5";
		2824
		2825	if ($exit->valid) {
1962	$exit->slaying ("?random/$md5");	2826	$exit->slaying ("?random/$md5");
1963	$exit->msg (undef);	2827	$exit->msg (undef);
		2828	}
1964	}	2829	}
1965	}	2830	}
1966		2831
1967	sub cf::object::player::enter_exit {	2832	sub cf::object::player::enter_exit {
1968	my ($self, $exit) = @_;	2833	my ($self, $exit) = @_;
1969		2834
1970	return unless $self->type == cf::PLAYER;	2835	return unless $self->type == cf::PLAYER;
1971		2836
1972	if ($exit->slaying eq "/!") {
1973	#TODO: this should de-fi-ni-te-ly not be a sync-job
1974	cf::sync_job { prepare_random_map $exit };
1975	}
1976
1977	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1978	my $hp = $exit->stats->hp;
1979	my $sp = $exit->stats->sp;
1980
1981	$self->enter_link;	2837	$self->enter_link;
1982		2838
1983	(async {	2839	(async {
1984	$self->deactivate_recursive; # just to be sure	2840	$Coro::current->{desc} = "enter_exit";
		2841
1985	unless (eval {	2842	unless (eval {
		2843	$self->deactivate_recursive; # just to be sure
		2844
		2845	# random map handling
		2846	{
		2847	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2848
		2849	prepare_random_map $exit
		2850	if $exit->slaying eq "/!";
		2851	}
		2852
		2853	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2854	my $x = $exit->stats->hp;
		2855	my $y = $exit->stats->sp;
		2856
1986	$self->goto ($slaying, $hp, $sp);	2857	$self->goto ($map, $x, $y);
1987		2858
		2859	# if exit is damned, update players death & WoR home-position
		2860	$self->contr->savebed ($map, $x, $y)
		2861	if $exit->flag (cf::FLAG_DAMNED);
		2862
1988	1;	2863	1
1989	}) {	2864	}) {
1990	$self->message ("Something went wrong deep within the crossfire server. "	2865	$self->message ("Something went wrong deep within the deliantra server. "
1991	. "I'll try to bring you back to the map you were before. "	2866	. "I'll try to bring you back to the map you were before. "
1992	. "Please report this to the dungeon master!",	2867	. "Please report this to the dungeon master!",
1993	cf::NDI_UNIQUE | cf::NDI_RED);	2868	cf::NDI_UNIQUE | cf::NDI_RED);
1994		2869
1995	warn "ERROR in enter_exit: $@";	2870	error "ERROR in enter_exit: $@";
1996	$self->leave_link;	2871	$self->leave_link;
1997	}	2872	}
1998	})->prio (1);	2873	})->prio (1);
1999	}	2874	}
2000		2875
…		…
2014		2889
2015	utf8::encode $text;	2890	utf8::encode $text;
2016	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2891	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2017	}	2892	}
2018		2893
		2894	=item $client->send_big_packet ($pkt)
		2895
		2896	Like C<send_packet>, but tries to compress large packets, and fragments
		2897	them as required.
		2898
		2899	=cut
		2900
		2901	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2902
		2903	sub cf::client::send_big_packet {
		2904	my ($self, $pkt) = @_;
		2905
		2906	# try lzf for large packets
		2907	$pkt = "lzf " . Compress::LZF::compress $pkt
		2908	if 1024 <= length $pkt and $self->{can_lzf};
		2909
		2910	# split very large packets
		2911	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2912	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2913	$pkt = "frag";
		2914	}
		2915
		2916	$self->send_packet ($pkt);
		2917	}
		2918
		2919	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2920
		2921	Send a drawinfo or msg packet to the client, formatting the msg for the
		2922	client if neccessary. C<$type> should be a string identifying the type of
		2923	the message, with C<log> being the default. If C<$color> is negative, suppress
		2924	the message unless the client supports the msg packet.
		2925
		2926	=cut
		2927
		2928	# non-persistent channels (usually the info channel)
		2929	our %CHANNEL = (
		2930	"c/motd" => {
		2931	id => "infobox",
		2932	title => "MOTD",
		2933	reply => undef,
		2934	tooltip => "The message of the day",
		2935	},
		2936	"c/identify" => {
		2937	id => "infobox",
		2938	title => "Identify",
		2939	reply => undef,
		2940	tooltip => "Items recently identified",
		2941	},
		2942	"c/examine" => {
		2943	id => "infobox",
		2944	title => "Examine",
		2945	reply => undef,
		2946	tooltip => "Signs and other items you examined",
		2947	},
		2948	"c/shopinfo" => {
		2949	id => "infobox",
		2950	title => "Shop Info",
		2951	reply => undef,
		2952	tooltip => "What your bargaining skill tells you about the shop",
		2953	},
		2954	"c/book" => {
		2955	id => "infobox",
		2956	title => "Book",
		2957	reply => undef,
		2958	tooltip => "The contents of a note or book",
		2959	},
		2960	"c/lookat" => {
		2961	id => "infobox",
		2962	title => "Look",
		2963	reply => undef,
		2964	tooltip => "What you saw there",
		2965	},
		2966	"c/who" => {
		2967	id => "infobox",
		2968	title => "Players",
		2969	reply => undef,
		2970	tooltip => "Shows players who are currently online",
		2971	},
		2972	"c/body" => {
		2973	id => "infobox",
		2974	title => "Body Parts",
		2975	reply => undef,
		2976	tooltip => "Shows which body parts you posess and are available",
		2977	},
		2978	"c/statistics" => {
		2979	id => "infobox",
		2980	title => "Statistics",
		2981	reply => undef,
		2982	tooltip => "Shows your primary statistics",
		2983	},
		2984	"c/skills" => {
		2985	id => "infobox",
		2986	title => "Skills",
		2987	reply => undef,
		2988	tooltip => "Shows your experience per skill and item power",
		2989	},
		2990	"c/shopitems" => {
		2991	id => "infobox",
		2992	title => "Shop Items",
		2993	reply => undef,
		2994	tooltip => "Shows the items currently for sale in this shop",
		2995	},
		2996	"c/resistances" => {
		2997	id => "infobox",
		2998	title => "Resistances",
		2999	reply => undef,
		3000	tooltip => "Shows your resistances",
		3001	},
		3002	"c/pets" => {
		3003	id => "infobox",
		3004	title => "Pets",
		3005	reply => undef,
		3006	tooltip => "Shows information abotu your pets/a specific pet",
		3007	},
		3008	"c/perceiveself" => {
		3009	id => "infobox",
		3010	title => "Perceive Self",
		3011	reply => undef,
		3012	tooltip => "You gained detailed knowledge about yourself",
		3013	},
		3014	"c/uptime" => {
		3015	id => "infobox",
		3016	title => "Uptime",
		3017	reply => undef,
		3018	tooltip => "How long the server has been running since last restart",
		3019	},
		3020	"c/mapinfo" => {
		3021	id => "infobox",
		3022	title => "Map Info",
		3023	reply => undef,
		3024	tooltip => "Information related to the maps",
		3025	},
		3026	"c/party" => {
		3027	id => "party",
		3028	title => "Party",
		3029	reply => "gsay ",
		3030	tooltip => "Messages and chat related to your party",
		3031	},
		3032	"c/death" => {
		3033	id => "death",
		3034	title => "Death",
		3035	reply => undef,
		3036	tooltip => "Reason for and more info about your most recent death",
		3037	},
		3038	"c/say" => $SAY_CHANNEL,
		3039	"c/chat" => $CHAT_CHANNEL,
		3040	);
		3041
		3042	sub cf::client::send_msg {
		3043	my ($self, $channel, $msg, $color, @extra) = @_;
		3044
		3045	$msg = $self->pl->expand_cfpod ($msg)
		3046	unless $color & cf::NDI_VERBATIM;
		3047
		3048	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3049
		3050	# check predefined channels, for the benefit of C
		3051	if ($CHANNEL{$channel}) {
		3052	$channel = $CHANNEL{$channel};
		3053
		3054	$self->ext_msg (channel_info => $channel);
		3055	$channel = $channel->{id};
		3056
		3057	} elsif (ref $channel) {
		3058	# send meta info to client, if not yet sent
		3059	unless (exists $self->{channel}{$channel->{id}}) {
		3060	$self->{channel}{$channel->{id}} = $channel;
		3061	$self->ext_msg (channel_info => $channel);
		3062	}
		3063
		3064	$channel = $channel->{id};
		3065	}
		3066
		3067	return unless @extra || length $msg;
		3068
		3069	# default colour, mask it out
		3070	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3071	if $color & cf::NDI_DEF;
		3072
		3073	my $pkt = "msg "
		3074	. $self->{json_coder}->encode (
		3075	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3076	);
		3077
		3078	$self->send_big_packet ($pkt);
		3079	}
		3080
		3081	=item $client->ext_msg ($type, @msg)
		3082
		3083	Sends an ext event to the client.
		3084
		3085	=cut
		3086
		3087	sub cf::client::ext_msg($$@) {
		3088	my ($self, $type, @msg) = @_;
		3089
		3090	if ($self->extcmd == 2) {
		3091	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3092	} elsif ($self->extcmd == 1) { # TODO: remove
		3093	push @msg, msgtype => "event_$type";
		3094	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3095	}
		3096	}
		3097
		3098	=item $client->ext_reply ($msgid, @msg)
		3099
		3100	Sends an ext reply to the client.
		3101
		3102	=cut
		3103
		3104	sub cf::client::ext_reply($$@) {
		3105	my ($self, $id, @msg) = @_;
		3106
		3107	if ($self->extcmd == 2) {
		3108	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3109	} elsif ($self->extcmd == 1) {
		3110	#TODO: version 1, remove
		3111	unshift @msg, msgtype => "reply", msgid => $id;
		3112	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3113	}
		3114	}
2019		3115
2020	=item $success = $client->query ($flags, "text", \&cb)	3116	=item $success = $client->query ($flags, "text", \&cb)
2021		3117
2022	Queues a query to the client, calling the given callback with	3118	Queues a query to the client, calling the given callback with
2023	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3119	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2024	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3120	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2025		3121
2026	Queries can fail, so check the return code. Or don't, as queries will become	3122	Queries can fail, so check the return code. Or don't, as queries will
2027	reliable at some point in the future.	3123	become reliable at some point in the future.
2028		3124
2029	=cut	3125	=cut
2030		3126
2031	sub cf::client::query {	3127	sub cf::client::query {
2032	my ($self, $flags, $text, $cb) = @_;	3128	my ($self, $flags, $text, $cb) = @_;
…		…
2040	utf8::encode $text;	3136	utf8::encode $text;
2041	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3137	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2042		3138
2043	$self->send_packet ($self->{query_queue}[0][0])	3139	$self->send_packet ($self->{query_queue}[0][0])
2044	if @{ $self->{query_queue} } == 1;	3140	if @{ $self->{query_queue} } == 1;
		3141
		3142	1
2045	}	3143	}
2046		3144
2047	cf::client->attach (	3145	cf::client->attach (
		3146	on_connect => sub {
		3147	my ($ns) = @_;
		3148
		3149	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3150	},
2048	on_reply => sub {	3151	on_reply => sub {
2049	my ($ns, $msg) = @_;	3152	my ($ns, $msg) = @_;
2050		3153
2051	# this weird shuffling is so that direct followup queries	3154	# this weird shuffling is so that direct followup queries
2052	# get handled first	3155	# get handled first
…		…
2064	} else {	3167	} else {
2065	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3168	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2066	}	3169	}
2067	}	3170	}
2068	},	3171	},
		3172	on_exticmd => sub {
		3173	my ($ns, $buf) = @_;
		3174
		3175	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3176
		3177	if (ref $msg) {
		3178	my ($type, $reply, @payload) =
		3179	"ARRAY" eq ref $msg
		3180	? @$msg
		3181	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3182
		3183	my @reply;
		3184
		3185	if (my $cb = $EXTICMD{$type}) {
		3186	@reply = $cb->($ns, @payload);
		3187	}
		3188
		3189	$ns->ext_reply ($reply, @reply)
		3190	if $reply;
		3191
		3192	} else {
		3193	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3194	}
		3195
		3196	cf::override;
		3197	},
2069	);	3198	);
2070		3199
2071	=item $client->async (\&cb)	3200	=item $client->async (\&cb)
2072		3201
2073	Create a new coroutine, running the specified callback. The coroutine will	3202	Create a new coroutine, running the specified callback. The coroutine will
…		…
2089		3218
2090	$coro	3219	$coro
2091	}	3220	}
2092		3221
2093	cf::client->attach (	3222	cf::client->attach (
2094	on_destroy => sub {	3223	on_client_destroy => sub {
2095	my ($ns) = @_;	3224	my ($ns) = @_;
2096		3225
2097	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3226	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2098	},	3227	},
2099	);	3228	);
…		…
2114	our $safe = new Safe "safe";	3243	our $safe = new Safe "safe";
2115	our $safe_hole = new Safe::Hole;	3244	our $safe_hole = new Safe::Hole;
2116		3245
2117	$SIG{FPE} = 'IGNORE';	3246	$SIG{FPE} = 'IGNORE';
2118		3247
2119	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3248	$safe->permit_only (Opcode::opset qw(
		3249	:base_core :base_mem :base_orig :base_math :base_loop
		3250	grepstart grepwhile mapstart mapwhile
		3251	sort time
		3252	));
2120		3253
2121	# here we export the classes and methods available to script code	3254	# here we export the classes and methods available to script code
2122		3255
2123	=pod	3256	=pod
2124		3257
2125	The following functions and methods are available within a safe environment:	3258	The following functions and methods are available within a safe environment:
2126		3259
2127	cf::object contr pay_amount pay_player map	3260	cf::object
		3261	contr pay_amount pay_player map x y force_find force_add destroy
		3262	insert remove name archname title slaying race decrease split
		3263	value
		3264
2128	cf::object::player player	3265	cf::object::player
2129	cf::player peaceful	3266	player
2130	cf::map trigger	3267
		3268	cf::player
		3269	peaceful
		3270
		3271	cf::map
		3272	trigger
2131		3273
2132	=cut	3274	=cut
2133		3275
2134	for (	3276	for (
2135	["cf::object" => qw(contr pay_amount pay_player map)],	3277	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3278	insert remove inv nrof name archname title slaying race
		3279	decrease split destroy change_exp value msg lore send_msg)],
2136	["cf::object::player" => qw(player)],	3280	["cf::object::player" => qw(player)],
2137	["cf::player" => qw(peaceful)],	3281	["cf::player" => qw(peaceful send_msg)],
2138	["cf::map" => qw(trigger)],	3282	["cf::map" => qw(trigger)],
2139	) {	3283	) {
2140	no strict 'refs';
2141	my ($pkg, @funs) = @$_;	3284	my ($pkg, @funs) = @$_;
2142	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3285	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2143	for @funs;	3286	for @funs;
2144	}	3287	}
2145		3288
…		…
2160		3303
2161	my $qcode = $code;	3304	my $qcode = $code;
2162	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3305	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2163	$qcode =~ s/\n/\\n/g;	3306	$qcode =~ s/\n/\\n/g;
2164		3307
		3308	%vars = (_dummy => 0) unless %vars;
		3309
		3310	my @res;
2165	local $_;	3311	local $_;
2166	local @safe::cf::_safe_eval_args = values %vars;
2167		3312
2168	my $eval =	3313	my $eval =
2169	"do {\n"	3314	"do {\n"
2170	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3315	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2171	. "#line 0 \"{$qcode}\"\n"	3316	. "#line 0 \"{$qcode}\"\n"
2172	. $code	3317	. $code
2173	. "\n}"	3318	. "\n}"
2174	;	3319	;
2175		3320
		3321	if ($CFG{safe_eval}) {
2176	sub_generation_inc;	3322	sub_generation_inc;
		3323	local @safe::cf::_safe_eval_args = values %vars;
2177	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3324	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2178	sub_generation_inc;	3325	sub_generation_inc;
		3326	} else {
		3327	local @cf::_safe_eval_args = values %vars;
		3328	@res = wantarray ? eval eval : scalar eval $eval;
		3329	}
2179		3330
2180	if ($@) {	3331	if ($@) {
2181	warn "$@";	3332	warn "$@",
2182	warn "while executing safe code '$code'\n";	3333	"while executing safe code '$code'\n",
2183	warn "with arguments " . (join " ", %vars) . "\n";	3334	"with arguments " . (join " ", %vars) . "\n";
2184	}	3335	}
2185		3336
2186	wantarray ? @res : $res[0]	3337	wantarray ? @res : $res[0]
2187	}	3338	}
2188		3339
…		…
2202	=cut	3353	=cut
2203		3354
2204	sub register_script_function {	3355	sub register_script_function {
2205	my ($fun, $cb) = @_;	3356	my ($fun, $cb) = @_;
2206		3357
2207	no strict 'refs';	3358	$fun = "safe::$fun" if $CFG{safe_eval};
2208	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3359	*$fun = $safe_hole->wrap ($cb);
2209	}	3360	}
2210		3361
2211	=back	3362	=back
2212		3363
2213	=cut	3364	=cut
2214
2215	#############################################################################
2216
2217	=head2 EXTENSION DATABASE SUPPORT
2218
2219	Crossfire maintains a very simple database for extension use. It can
2220	currently store anything that can be serialised using Storable, which
2221	excludes objects.
2222
2223	The parameter C<$family> should best start with the name of the extension
2224	using it, it should be unique.
2225
2226	=over 4
2227
2228	=item $value = cf::db_get $family => $key
2229
2230	Returns a single value from the database.
2231
2232	=item cf::db_put $family => $key => $value
2233
2234	Stores the given C<$value> in the family.
2235
2236	=cut
2237
2238	our $DB;
2239
2240	sub db_init {
2241	unless ($DB) {
2242	$DB = BDB::db_create $DB_ENV;
2243
2244	cf::sync_job {
2245	eval {
2246	$DB->set_flags (BDB::CHKSUM);
2247
2248	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2249	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2250	cf::cleanup "db_open(db): $!" if $!;
2251	};
2252	cf::cleanup "db_open(db): $@" if $@;
2253	};
2254
2255	my $path = cf::localdir . "/database.pst";
2256	if (stat $path) {
2257	cf::sync_job {
2258	my $pst = Storable::retrieve $path;
2259
2260	cf::db_put (board => data => $pst->{board});
2261	cf::db_put (guildrules => data => $pst->{guildrules});
2262	cf::db_put (rent => balance => $pst->{rent}{balance});
2263	BDB::db_env_txn_checkpoint $DB_ENV;
2264
2265	unlink $path;
2266	};
2267	}
2268	}
2269	}
2270
2271	sub db_get($$) {
2272	my $key = "$_[0]/$_[1]";
2273
2274	cf::sync_job {
2275	BDB::db_get $DB, undef, $key, my $data;
2276
2277	$! ? ()
2278	: Compress::LZF::sthaw $data
2279	}
2280	}
2281
2282	sub db_put($$$) {
2283	BDB::dbreq_pri 4;
2284	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2285	}
2286		3365
2287	#############################################################################	3366	#############################################################################
2288	# the server's init and main functions	3367	# the server's init and main functions
2289		3368
2290	sub load_facedata {	3369	sub load_facedata($) {
2291	my $path = sprintf "%s/facedata", cf::datadir;	3370	my ($path) = @_;
2292		3371
		3372	# HACK to clear player env face cache, we need some signal framework
		3373	# for this (global event?)
		3374	%ext::player_env::MUSIC_FACE_CACHE = ();
		3375
		3376	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3377
2293	warn "loading facedata from $path\n";	3378	trace "loading facedata from $path\n";
2294		3379
2295	my $faces;
2296	0 < aio_load $path, $faces	3380	0 < aio_load $path, my $facedata
2297	or die "$path: $!";	3381	or die "$path: $!";
2298		3382
2299	Coro::cede;
2300	$faces = Storable::thaw $faces;	3383	$facedata = Coro::Storable::thaw $facedata;
2301	Coro::cede;
2302		3384
2303	my $meta = delete $faces->{""};
2304	$meta->{version} == 1	3385	$facedata->{version} == 2
2305	or cf::cleanup "$path: version mismatch, cannot proceed.";	3386	or cf::cleanup "$path: version mismatch, cannot proceed.";
2306		3387
		3388	# patch in the exptable
		3389	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3390	$facedata->{resource}{"res/exp_table"} = {
		3391	type => FT_RSRC,
		3392	data => $exp_table,
		3393	hash => (Digest::MD5::md5 $exp_table),
		3394	};
		3395	cf::cede_to_tick;
		3396
		3397	{
		3398	my $faces = $facedata->{faceinfo};
		3399
2307	while (my ($face, $info) = each %$faces) {	3400	while (my ($face, $info) = each %$faces) {
2308	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3401	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2309	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3402
		3403	cf::face::set_visibility $idx, $info->{visibility};
		3404	cf::face::set_magicmap $idx, $info->{magicmap};
2310	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3405	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2311	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3406	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2312	Coro::cede;
2313	}
2314		3407
		3408	cf::cede_to_tick;
		3409	}
		3410
2315	while (my ($face, $info) = each %$faces) {	3411	while (my ($face, $info) = each %$faces) {
2316	next unless $info->{smooth};	3412	next unless $info->{smooth};
		3413
2317	my $idx = cf::face::find $face	3414	my $idx = cf::face::find $face
		3415	or next;
		3416
		3417	if (my $smooth = cf::face::find $info->{smooth}) {
		3418	cf::face::set_smooth $idx, $smooth;
		3419	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3420	} else {
		3421	error "smooth face '$info->{smooth}' not found for face '$face'";
		3422	}
		3423
		3424	cf::cede_to_tick;
		3425	}
		3426	}
		3427
		3428	{
		3429	my $anims = $facedata->{animinfo};
		3430
		3431	while (my ($anim, $info) = each %$anims) {
		3432	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3433	cf::cede_to_tick;
		3434	}
		3435
		3436	cf::anim::invalidate_all; # d'oh
		3437	}
		3438
		3439	{
		3440	my $res = $facedata->{resource};
		3441
		3442	while (my ($name, $info) = each %$res) {
		3443	if (defined $info->{type}) {
		3444	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3445
		3446	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3447	cf::face::set_type $idx, $info->{type};
		3448	} else {
		3449	$RESOURCE{$name} = $info; # unused
		3450	}
		3451
		3452	cf::cede_to_tick;
		3453	}
		3454	}
		3455
		3456	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3457
		3458	1
		3459	}
		3460
		3461	register_exticmd fx_want => sub {
		3462	my ($ns, $want) = @_;
		3463
		3464	while (my ($k, $v) = each %$want) {
		3465	$ns->fx_want ($k, $v);
		3466	}
		3467	};
		3468
		3469	sub load_resource_file($) {
		3470	my $guard = lock_acquire "load_resource_file";
		3471
		3472	my $status = load_resource_file_ $_[0];
		3473	get_slot 0.1, 100;
		3474	cf::arch::commit_load;
		3475
		3476	$status
		3477	}
		3478
		3479	sub reload_regions {
		3480	# HACK to clear player env face cache, we need some signal framework
		3481	# for this (global event?)
		3482	%ext::player_env::MUSIC_FACE_CACHE = ();
		3483
		3484	load_resource_file "$MAPDIR/regions"
		3485	or die "unable to load regions file\n";
		3486
		3487	for (cf::region::list) {
		3488	$_->{match} = qr/$_->{match}/
		3489	if exists $_->{match};
		3490	}
		3491	}
		3492
		3493	sub reload_facedata {
		3494	load_facedata "$DATADIR/facedata"
		3495	or die "unable to load facedata\n";
		3496	}
		3497
		3498	sub reload_archetypes {
		3499	load_resource_file "$DATADIR/archetypes"
		3500	or die "unable to load archetypes\n";
		3501	}
		3502
		3503	sub reload_treasures {
		3504	load_resource_file "$DATADIR/treasures"
		3505	or die "unable to load treasurelists\n";
		3506	}
		3507
		3508	sub reload_sound {
		3509	trace "loading sound config from $DATADIR/sound\n";
		3510
		3511	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3512	or die "$DATADIR/sound $!";
		3513
		3514	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3515
		3516	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3517	my $sound = $soundconf->{compat}[$_]
2318	or next;	3518	or next;
2319	if (my $smooth = cf::face::find $info->{smooth}) {
2320	cf::face::set_smooth $idx, $smooth;
2321	} else {
2322	warn "smooth face '$info->{smooth}' not found for face '$face'";
2323	}
2324	Coro::cede;
2325	}
2326		3519
		3520	my $face = cf::face::find "sound/$sound->[1]";
		3521	cf::sound::set $sound->[0] => $face;
		3522	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2327	1	3523	}
		3524
		3525	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3526	my $face = cf::face::find "sound/$v";
		3527	cf::sound::set $k => $face;
		3528	}
2328	}	3529	}
2329		3530
2330	sub reload_resources {	3531	sub reload_resources {
2331	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3532	trace "reloading resource files...\n";
2332	or die "unable to load regions file\n";#d#	3533
		3534	reload_exp_table;
		3535	reload_materials;
2333	load_facedata	3536	reload_facedata;
2334	or die "unable to load facedata\n";#d#	3537	reload_sound;
2335	}	3538	reload_archetypes;
2336
2337	sub init {
2338	reload_resources;	3539	reload_regions;
2339	}	3540	reload_treasures;
2340		3541
2341	sub cfg_load {	3542	trace "finished reloading resource files\n";
2342	open my $fh, "<:utf8", cf::confdir . "/config"	3543	}
2343	or return;
2344		3544
2345	local $/;	3545	sub reload_config {
		3546	trace "reloading config file...\n";
		3547
		3548	0 < aio_load "$CONFDIR/config", my $config
		3549	or die "$CONFDIR/config: $!";
		3550
		3551	utf8::decode $config;
		3552
		3553	cf::get_slot 0.1, 10, "reload_config"; # yaml might be slow...
2346	*CFG = YAML::Syck::Load <$fh>;	3554	*CFG = YAML::XS::Load $config;
2347		3555
2348	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3556	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2349		3557
2350	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3558	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2351	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3559	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2352		3560
2353	if (exists $CFG{mlockall}) {	3561	if (exists $CFG{mlockall}) {
…		…
2357	};	3565	};
2358	warn $@ if $@;	3566	warn $@ if $@;
2359	}	3567	}
2360	}	3568	}
2361		3569
		3570	sub pidfile() {
		3571	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3572	or die "$PIDFILE: $!";
		3573	flock $fh, &Fcntl::LOCK_EX
		3574	or die "$PIDFILE: flock: $!";
		3575	$fh
		3576	}
		3577
		3578	# make sure only one server instance is running at any one time
		3579	sub atomic {
		3580	my $fh = pidfile;
		3581
		3582	my $pid = <$fh>;
		3583	kill 9, $pid if $pid > 0;
		3584
		3585	seek $fh, 0, 0;
		3586	print $fh $$;
		3587	}
		3588
		3589	sub main_loop {
		3590	trace "EV::loop starting\n";
		3591	if (1) {
		3592	EV::loop;
		3593	}
		3594	trace "EV::loop returned\n";
		3595	goto &main_loop unless $REALLY_UNLOOP;
		3596	}
		3597
2362	sub main {	3598	sub main {
		3599	cf::init_globals; # initialise logging
		3600
		3601	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3602	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3603	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3604	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3605
		3606	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3607
2363	# we must not ever block the main coroutine	3608	# we must not ever block the main coroutine
2364	local $Coro::idle = sub {	3609	local $Coro::idle = sub {
2365	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3610	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2366	(async {	3611	(async {
2367	Event::one_event;	3612	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3613	EV::loop EV::LOOP_ONESHOT;
2368	})->prio (Coro::PRIO_MAX);	3614	})->prio (Coro::PRIO_MAX);
2369	};	3615	};
2370		3616
2371	cfg_load;	3617	evthread_start IO::AIO::poll_fileno;
		3618
		3619	cf::sync_job {
		3620	cf::incloader::init ();
		3621
		3622	cf::init_anim;
		3623	cf::init_attackmess;
		3624	cf::init_dynamic;
		3625
		3626	cf::load_settings;
		3627
		3628	reload_resources;
		3629	reload_config;
2372	db_init;	3630	db_init;
		3631
		3632	cf::init_uuid;
		3633	cf::init_signals;
		3634	cf::init_skills;
		3635
		3636	cf::init_beforeplay;
		3637
		3638	atomic;
		3639
2373	load_extensions;	3640	load_extensions;
2374		3641
2375	$TICK_WATCHER->start;	3642	utime time, time, $RUNTIMEFILE;
2376	Event::loop;	3643
		3644	# no (long-running) fork's whatsoever before this point(!)
		3645	use POSIX ();
		3646	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3647
		3648	(pop @POST_INIT)->(0) while @POST_INIT;
		3649	};
		3650
		3651	cf::object::thawer::errors_are_fatal 0;
		3652	info "parse errors in files are no longer fatal from this point on.\n";
		3653
		3654	my $free_main; $free_main = EV::idle sub {
		3655	undef $free_main;
		3656	undef &main; # free gobs of memory :)
		3657	};
		3658
		3659	goto &main_loop;
2377	}	3660	}
2378		3661
2379	#############################################################################	3662	#############################################################################
2380	# initialisation and cleanup	3663	# initialisation and cleanup
2381		3664
2382	# install some emergency cleanup handlers	3665	# install some emergency cleanup handlers
2383	BEGIN {	3666	BEGIN {
		3667	our %SIGWATCHER = ();
2384	for my $signal (qw(INT HUP TERM)) {	3668	for my $signal (qw(INT HUP TERM)) {
2385	Event->signal (	3669	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2386	reentrant => 0,
2387	data => WF_AUTOCANCEL,
2388	signal => $signal,
2389	prio => 0,
2390	cb => sub {
2391	cf::cleanup "SIG$signal";	3670	cf::cleanup "SIG$signal";
2392	},
2393	);	3671	};
		3672	}
		3673	}
		3674
		3675	sub write_runtime_sync {
		3676	my $t0 = AE::time;
		3677
		3678	# first touch the runtime file to show we are still running:
		3679	# the fsync below can take a very very long time.
		3680
		3681	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3682
		3683	my $guard = cf::lock_acquire "write_runtime";
		3684
		3685	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3686	or return;
		3687
		3688	my $value = $cf::RUNTIME + 90 + 10;
		3689	# 10 is the runtime save interval, for a monotonic clock
		3690	# 60 allows for the watchdog to kill the server.
		3691
		3692	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3693	and return;
		3694
		3695	# always fsync - this file is important
		3696	aio_fsync $fh
		3697	and return;
		3698
		3699	# touch it again to show we are up-to-date
		3700	aio_utime $fh, undef, undef;
		3701
		3702	close $fh
		3703	or return;
		3704
		3705	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3706	and return;
		3707
		3708	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3709
2394	}	3710	1
		3711	}
		3712
		3713	our $uuid_lock;
		3714	our $uuid_skip;
		3715
		3716	sub write_uuid_sync($) {
		3717	$uuid_skip ||= $_[0];
		3718
		3719	return if $uuid_lock;
		3720	local $uuid_lock = 1;
		3721
		3722	my $uuid = "$LOCALDIR/uuid";
		3723
		3724	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3725	or return;
		3726
		3727	my $value = uuid_seq uuid_cur;
		3728
		3729	unless ($value) {
		3730	info "cowardly refusing to write zero uuid value!\n";
		3731	return;
		3732	}
		3733
		3734	my $value = uuid_str $value + $uuid_skip;
		3735	$uuid_skip = 0;
		3736
		3737	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3738	and return;
		3739
		3740	# always fsync - this file is important
		3741	aio_fsync $fh
		3742	and return;
		3743
		3744	close $fh
		3745	or return;
		3746
		3747	aio_rename "$uuid~", $uuid
		3748	and return;
		3749
		3750	trace "uuid file written ($value).\n";
		3751
		3752	1
		3753
		3754	}
		3755
		3756	sub write_uuid($$) {
		3757	my ($skip, $sync) = @_;
		3758
		3759	$sync ? write_uuid_sync $skip
		3760	: async { write_uuid_sync $skip };
2395	}	3761	}
2396		3762
2397	sub emergency_save() {	3763	sub emergency_save() {
2398	my $freeze_guard = cf::freeze_mainloop;	3764	my $freeze_guard = cf::freeze_mainloop;
2399		3765
2400	warn "enter emergency perl save\n";	3766	info "emergency_perl_save: enter\n";
		3767
		3768	# this is a trade-off: we want to be very quick here, so
		3769	# save all maps without fsync, and later call a global sync
		3770	# (which in turn might be very very slow)
		3771	local $USE_FSYNC = 0;
2401		3772
2402	cf::sync_job {	3773	cf::sync_job {
		3774	cf::write_runtime_sync; # external watchdog should not bark
		3775
2403	# use a peculiar iteration method to avoid tripping on perl	3776	# use a peculiar iteration method to avoid tripping on perl
2404	# refcount bugs in for. also avoids problems with players	3777	# refcount bugs in for. also avoids problems with players
2405	# and maps saved/destroyed asynchronously.	3778	# and maps saved/destroyed asynchronously.
2406	warn "begin emergency player save\n";	3779	info "emergency_perl_save: begin player save\n";
2407	for my $login (keys %cf::PLAYER) {	3780	for my $login (keys %cf::PLAYER) {
2408	my $pl = $cf::PLAYER{$login} or next;	3781	my $pl = $cf::PLAYER{$login} or next;
2409	$pl->valid or next;	3782	$pl->valid or next;
		3783	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2410	$pl->save;	3784	$pl->save;
2411	}	3785	}
2412	warn "end emergency player save\n";	3786	info "emergency_perl_save: end player save\n";
2413		3787
2414	warn "begin emergency map save\n";	3788	cf::write_runtime_sync; # external watchdog should not bark
		3789
		3790	info "emergency_perl_save: begin map save\n";
2415	for my $path (keys %cf::MAP) {	3791	for my $path (keys %cf::MAP) {
2416	my $map = $cf::MAP{$path} or next;	3792	my $map = $cf::MAP{$path} or next;
2417	$map->valid or next;	3793	$map->valid or next;
2418	$map->save;	3794	$map->save;
2419	}	3795	}
2420	warn "end emergency map save\n";	3796	info "emergency_perl_save: end map save\n";
2421		3797
2422	warn "begin emergency database checkpoint\n";	3798	cf::write_runtime_sync; # external watchdog should not bark
		3799
		3800	info "emergency_perl_save: begin database checkpoint\n";
2423	BDB::db_env_txn_checkpoint $DB_ENV;	3801	BDB::db_env_txn_checkpoint $DB_ENV;
2424	warn "end emergency database checkpoint\n";	3802	info "emergency_perl_save: end database checkpoint\n";
		3803
		3804	info "emergency_perl_save: begin write uuid\n";
		3805	write_uuid_sync 1;
		3806	info "emergency_perl_save: end write uuid\n";
		3807
		3808	cf::write_runtime_sync; # external watchdog should not bark
		3809
		3810	trace "emergency_perl_save: syncing database to disk";
		3811	BDB::db_env_txn_checkpoint $DB_ENV;
		3812
		3813	info "emergency_perl_save: starting sync\n";
		3814	IO::AIO::aio_sync sub {
		3815	info "emergency_perl_save: finished sync\n";
		3816	};
		3817
		3818	cf::write_runtime_sync; # external watchdog should not bark
		3819
		3820	trace "emergency_perl_save: flushing outstanding aio requests";
		3821	while (IO::AIO::nreqs || BDB::nreqs) {
		3822	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3823	}
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
2425	};	3826	};
2426		3827
2427	warn "leave emergency perl save\n";	3828	info "emergency_perl_save: leave\n";
2428	}	3829	}
2429		3830
2430	sub post_cleanup {	3831	sub post_cleanup {
2431	my ($make_core) = @_;	3832	my ($make_core) = @_;
2432		3833
		3834	IO::AIO::flush;
		3835
2433	warn Carp::longmess "post_cleanup backtrace"	3836	error Carp::longmess "post_cleanup backtrace"
2434	if $make_core;	3837	if $make_core;
2435	}
2436		3838
		3839	my $fh = pidfile;
		3840	unlink $PIDFILE if <$fh> == $$;
		3841	}
		3842
		3843	# a safer delete_package, copied from Symbol
		3844	sub clear_package($) {
		3845	my $pkg = shift;
		3846
		3847	# expand to full symbol table name if needed
		3848	unless ($pkg =~ /^main::.*::$/) {
		3849	$pkg = "main$pkg" if $pkg =~ /^::/;
		3850	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3851	$pkg .= '::' unless $pkg =~ /::$/;
		3852	}
		3853
		3854	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3855	my $stem_symtab = *{$stem}{HASH};
		3856
		3857	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3858	or return;
		3859
		3860	# clear all symbols
		3861	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3862	for my $name (keys %$leaf_symtab) {
		3863	_gv_clear *{"$pkg$name"};
		3864	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3865	}
		3866	}
		3867
2437	sub reload() {	3868	sub do_reload_perl() {
2438	# can/must only be called in main	3869	# can/must only be called in main
2439	if ($Coro::current != $Coro::main) {	3870	unless (in_main) {
2440	warn "can only reload from main coroutine";	3871	error "can only reload from main coroutine";
2441	return;	3872	return;
2442	}	3873	}
2443		3874
		3875	return if $RELOAD++;
		3876
		3877	my $t1 = AE::time;
		3878
		3879	while ($RELOAD) {
		3880	cf::get_slot 0.1, -1, "reload_perl";
2444	warn "reloading...";	3881	info "reloading...";
2445		3882
2446	warn "entering sync_job";	3883	trace "entering sync_job";
2447		3884
2448	cf::sync_job {	3885	cf::sync_job {
2449	cf::write_runtime; # external watchdog should not bark
2450	cf::emergency_save;	3886	#cf::emergency_save;
2451	cf::write_runtime; # external watchdog should not bark
2452		3887
2453	warn "syncing database to disk";
2454	BDB::db_env_txn_checkpoint $DB_ENV;
2455
2456	# if anything goes wrong in here, we should simply crash as we already saved
2457
2458	warn "cancelling all WF_AUTOCANCEL watchers";
2459	for (Event::all_watchers) {
2460	$_->cancel if $_->data & WF_AUTOCANCEL;
2461	}
2462
2463	warn "flushing outstanding aio requests";
2464	for (;;) {
2465	BDB::flush;
2466	IO::AIO::flush;
2467	Coro::cede;
2468	last unless IO::AIO::nreqs || BDB::nreqs;
2469	warn "iterate...";
2470	}
2471
2472	++$RELOAD;
2473
2474	warn "cancelling all extension coros";	3888	trace "cancelling all extension coros";
2475	$_->cancel for values %EXT_CORO;	3889	$_->cancel for values %EXT_CORO;
2476	%EXT_CORO = ();	3890	%EXT_CORO = ();
2477		3891
2478	warn "removing commands";	3892	trace "removing commands";
2479	%COMMAND = ();	3893	%COMMAND = ();
2480		3894
2481	warn "removing ext commands";	3895	trace "removing ext/exti commands";
2482	%EXTCMD = ();	3896	%EXTCMD = ();
		3897	%EXTICMD = ();
2483		3898
2484	warn "unloading/nuking all extensions";	3899	trace "unloading/nuking all extensions";
2485	for my $pkg (@EXTS) {	3900	for my $pkg (@EXTS) {
2486	warn "... unloading $pkg";	3901	trace "... unloading $pkg";
2487		3902
2488	if (my $cb = $pkg->can ("unload")) {	3903	if (my $cb = $pkg->can ("unload")) {
2489	eval {	3904	eval {
2490	$cb->($pkg);	3905	$cb->($pkg);
2491	1	3906	1
2492	} or warn "$pkg unloaded, but with errors: $@";	3907	} or error "$pkg unloaded, but with errors: $@";
		3908	}
		3909
		3910	trace "... clearing $pkg";
		3911	clear_package $pkg;
2493	}	3912	}
2494		3913
2495	warn "... nuking $pkg";
2496	Symbol::delete_package $pkg;
2497	}
2498
2499	warn "unloading all perl modules loaded from $LIBDIR";	3914	trace "unloading all perl modules loaded from $LIBDIR";
2500	while (my ($k, $v) = each %INC) {	3915	while (my ($k, $v) = each %INC) {
2501	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3916	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2502		3917
2503	warn "... unloading $k";	3918	trace "... unloading $k";
2504	delete $INC{$k};	3919	delete $INC{$k};
2505		3920
2506	$k =~ s/\.pm$//;	3921	$k =~ s/\.pm$//;
2507	$k =~ s/\//::/g;	3922	$k =~ s/\//::/g;
2508		3923
2509	if (my $cb = $k->can ("unload_module")) {	3924	if (my $cb = $k->can ("unload_module")) {
2510	$cb->();	3925	$cb->();
		3926	}
		3927
		3928	clear_package $k;
2511	}	3929	}
2512		3930
2513	Symbol::delete_package $k;
2514	}
2515
2516	warn "getting rid of safe::, as good as possible";	3931	trace "getting rid of safe::, as good as possible";
2517	Symbol::delete_package "safe::$_"	3932	clear_package "safe::$_"
2518	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3933	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2519		3934
2520	warn "unloading cf.pm \"a bit\"";	3935	trace "unloading cf.pm \"a bit\"";
2521	delete $INC{"cf.pm"};	3936	delete $INC{"cf.pm"};
		3937	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2522		3938
2523	# don't, removes xs symbols, too,	3939	# don't, removes xs symbols, too,
2524	# and global variables created in xs	3940	# and global variables created in xs
2525	#Symbol::delete_package __PACKAGE__;	3941	#clear_package __PACKAGE__;
2526		3942
2527	warn "unload completed, starting to reload now";	3943	info "unload completed, starting to reload now";
2528		3944
2529	warn "reloading cf.pm";	3945	trace "reloading cf.pm";
2530	require cf;	3946	require cf;
2531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3947	cf::_connect_to_perl_1;
2532		3948
2533	warn "loading config and database again";	3949	trace "loading config and database again";
2534	cf::cfg_load;	3950	cf::reload_config;
2535		3951
2536	warn "loading extensions";	3952	trace "loading extensions";
2537	cf::load_extensions;	3953	cf::load_extensions;
2538		3954
		3955	if ($REATTACH_ON_RELOAD) {
2539	warn "reattaching attachments to objects/players";	3956	trace "reattaching attachments to objects/players";
2540	_global_reattach; # objects, sockets	3957	_global_reattach; # objects, sockets
2541	warn "reattaching attachments to maps";	3958	trace "reattaching attachments to maps";
2542	reattach $_ for values %MAP;	3959	reattach $_ for values %MAP;
2543	warn "reattaching attachments to players";	3960	trace "reattaching attachments to players";
2544	reattach $_ for values %PLAYER;	3961	reattach $_ for values %PLAYER;
		3962	}
2545		3963
2546	warn "loading reloadable resources";	3964	trace "running post_init jobs";
2547	reload_resources;	3965	(pop @POST_INIT)->(1) while @POST_INIT;
2548		3966
2549	warn "leaving sync_job";	3967	trace "leaving sync_job";
2550		3968
2551	1	3969	1
2552	} or do {	3970	} or do {
2553	warn $@;	3971	error $@;
2554	warn "error while reloading, exiting.";	3972	cf::cleanup "error while reloading, exiting.";
2555	exit 1;	3973	};
		3974
		3975	info "reloaded";
		3976	--$RELOAD;
		3977	}
		3978
		3979	$t1 = AE::time - $t1;
		3980	info "reload completed in ${t1}s\n";
		3981	};
		3982
		3983	our $RELOAD_WATCHER; # used only during reload
		3984
		3985	sub reload_perl() {
		3986	# doing reload synchronously and two reloads happen back-to-back,
		3987	# coro crashes during coro_state_free->destroy here.
		3988
		3989	$RELOAD_WATCHER ||= cf::async {
		3990	Coro::AIO::aio_wait cache_extensions;
		3991
		3992	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3993	do_reload_perl;
		3994	undef $RELOAD_WATCHER;
		3995	};
2556	};	3996	};
2557		3997	}
2558	warn "reloaded";
2559	};
2560
2561	our $RELOAD_WATCHER; # used only during reload
2562		3998
2563	register_command "reload" => sub {	3999	register_command "reload" => sub {
2564	my ($who, $arg) = @_;	4000	my ($who, $arg) = @_;
2565		4001
2566	if ($who->flag (FLAG_WIZ)) {	4002	if ($who->flag (FLAG_WIZ)) {
2567	$who->message ("reloading server.");	4003	$who->message ("reloading server.");
2568		4004	async {
2569	# doing reload synchronously and two reloads happen back-to-back,	4005	$Coro::current->{desc} = "perl_reload";
2570	# coro crashes during coro_state_free->destroy here.
2571
2572	$RELOAD_WATCHER ||= Event->timer (
2573	reentrant => 0,
2574	after => 0,
2575	data => WF_AUTOCANCEL,
2576	cb => sub {
2577	reload;	4006	reload_perl;
2578	undef $RELOAD_WATCHER;
2579	},
2580	);	4007	};
2581	}	4008	}
2582	};	4009	};
2583		4010
2584	unshift @INC, $LIBDIR;	4011	#############################################################################
2585		4012
2586	my $bug_warning = 0;	4013	my $bug_warning = 0;
2587		4014
2588	$TICK_WATCHER = Event->timer (	4015	our @WAIT_FOR_TICK;
2589	reentrant => 0,	4016	our @WAIT_FOR_TICK_BEGIN;
2590	parked => 1,	4017
2591	prio => 0,	4018	sub wait_for_tick() {
2592	at => $NEXT_TICK || $TICK,	4019	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2593	data => WF_AUTOCANCEL,	4020
2594	cb => sub {	4021	my $signal = new Coro::Signal;
		4022	push @WAIT_FOR_TICK, $signal;
		4023	$signal->wait;
		4024	}
		4025
		4026	sub wait_for_tick_begin() {
		4027	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4028
		4029	my $signal = new Coro::Signal;
		4030	push @WAIT_FOR_TICK_BEGIN, $signal;
		4031	$signal->wait;
		4032	}
		4033
		4034	sub tick {
2595	if ($Coro::current != $Coro::main) {	4035	if ($Coro::current != $Coro::main) {
2596	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4036	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2597	unless ++$bug_warning > 10;	4037	unless ++$bug_warning > 10;
2598	return;	4038	return;
2599	}	4039	}
2600		4040
2601	$NOW = Event::time;
2602
2603	cf::server_tick; # one server iteration	4041	cf::server_tick; # one server iteration
2604	$RUNTIME += $TICK;
2605	$NEXT_TICK += $TICK;
2606		4042
		4043	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4044
2607	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4045	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2608	$NEXT_RUNTIME_WRITE = $NOW + 10;	4046	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2609	Coro::async_pool {	4047	Coro::async_pool {
		4048	$Coro::current->{desc} = "runtime saver";
2610	write_runtime	4049	write_runtime_sync
2611	or warn "ERROR: unable to write runtime file: $!";	4050	or error "ERROR: unable to write runtime file: $!";
2612	};
2613	}	4051	};
2614
2615	$WAIT_FOR_TICK->broadcast;
2616	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2617
2618	# my $AFTER = Event::time;
2619	# warn $AFTER - $NOW;#d#
2620
2621	# if we are delayed by four ticks or more, skip them all
2622	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2623
2624	$TICK_WATCHER->at ($NEXT_TICK);
2625	$TICK_WATCHER->start;
2626	},	4052	}
2627	);	4053
		4054	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4055	$sig->send;
		4056	}
		4057	while (my $sig = shift @WAIT_FOR_TICK) {
		4058	$sig->send;
		4059	}
		4060
		4061	$LOAD = ($NOW - $TICK_START) / $TICK;
		4062	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4063
		4064	if (0) {
		4065	if ($NEXT_TICK) {
		4066	my $jitter = $TICK_START - $NEXT_TICK;
		4067	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4068	debug "jitter $JITTER\n";#d#
		4069	}
		4070	}
		4071	}
2628		4072
2629	{	4073	{
2630	BDB::max_poll_time $TICK * 0.1;	4074	# configure BDB
2631	$BDB_POLL_WATCHER = Event->io (	4075
2632	reentrant => 0,
2633	fd => BDB::poll_fileno,
2634	poll => 'r',
2635	prio => 0,
2636	data => WF_AUTOCANCEL,
2637	cb => \&BDB::poll_cb,
2638	);
2639	BDB::min_parallel 8;	4076	BDB::min_parallel 16;
2640		4077	BDB::max_poll_reqs $TICK * 0.1;
2641	BDB::set_sync_prepare {	4078	$AnyEvent::BDB::WATCHER->priority (1);
2642	my $status;
2643	my $current = $Coro::current;
2644	(
2645	sub {
2646	$status = $!;
2647	$current->ready; undef $current;
2648	},
2649	sub {
2650	Coro::schedule while defined $current;
2651	$! = $status;
2652	},
2653	)
2654	};
2655		4079
2656	unless ($DB_ENV) {	4080	unless ($DB_ENV) {
2657	$DB_ENV = BDB::db_env_create;	4081	$DB_ENV = BDB::db_env_create;
		4082	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4083	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4084	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4085	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4086	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2658		4087
2659	cf::sync_job {	4088	cf::sync_job {
2660	eval {	4089	eval {
2661	BDB::db_env_open	4090	BDB::db_env_open
2662	$DB_ENV,	4091	$DB_ENV,
2663	$BDB_ENV_DIR,	4092	$BDBDIR,
2664	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4093	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2665	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4094	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2666	0666;	4095	0666;
2667		4096
2668	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4097	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2669
2670	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2671	$DB_ENV->set_lk_detect;
2672	};	4098	};
2673		4099
2674	cf::cleanup "db_env_open(db): $@" if $@;	4100	cf::cleanup "db_env_open(db): $@" if $@;
2675	};	4101	};
2676	}	4102	}
		4103
		4104	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4105	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4106	};
		4107	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4108	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4109	};
		4110	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4111	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4112	};
2677	}	4113	}
2678		4114
2679	{	4115	{
		4116	# configure IO::AIO
		4117
2680	IO::AIO::min_parallel 8;	4118	IO::AIO::min_parallel 8;
2681
2682	undef $Coro::AIO::WATCHER;
2683	IO::AIO::max_poll_time $TICK * 0.1;	4119	IO::AIO::max_poll_time $TICK * 0.1;
2684	$AIO_POLL_WATCHER = Event->io (	4120	undef $AnyEvent::AIO::WATCHER;
2685	reentrant => 0,
2686	data => WF_AUTOCANCEL,
2687	fd => IO::AIO::poll_fileno,
2688	poll => 'r',
2689	prio => 6,
2690	cb => \&IO::AIO::poll_cb,
2691	);
2692	}	4121	}
		4122
		4123	my $_log_backtrace;
		4124
		4125	sub _log_backtrace {
		4126	my ($msg, @addr) = @_;
		4127
		4128	$msg =~ s/\n//;
		4129
		4130	# limit the # of concurrent backtraces
		4131	if ($_log_backtrace < 2) {
		4132	++$_log_backtrace;
		4133	my $perl_bt = Carp::longmess $msg;
		4134	async {
		4135	$Coro::current->{desc} = "abt $msg";
		4136
		4137	my @bt = fork_call {
		4138	@addr = map { sprintf "%x", $_ } @addr;
		4139	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4140	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4141	or die "addr2line: $!";
		4142
		4143	my @funcs;
		4144	my @res = <$fh>;
		4145	chomp for @res;
		4146	while (@res) {
		4147	my ($func, $line) = splice @res, 0, 2, ();
		4148	push @funcs, "[$func] $line";
		4149	}
		4150
		4151	@funcs
		4152	};
		4153
		4154	LOG llevInfo, "[ABT] $perl_bt\n";
		4155	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4156	LOG llevInfo, "[ABT] $_\n" for @bt;
		4157	--$_log_backtrace;
		4158	};
		4159	} else {
		4160	LOG llevInfo, "[ABT] $msg\n";
		4161	LOG llevInfo, "[ABT] [suppressed]\n";
		4162	}
		4163	}
		4164
		4165	# load additional modules
		4166	require "cf/$_.pm" for @EXTRA_MODULES;
		4167	cf::_connect_to_perl_2;
2693		4168
2694	END { cf::emergency_save }	4169	END { cf::emergency_save }
2695		4170
2696	1	4171	1
2697		4172

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