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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.199 by root, Mon Jan 29 14:46:01 2007 UTC vs.
Revision 1.538 by root, Tue May 4 21:45:43 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
12		38
		39	use Guard ();
13	use Coro 3.5 ();	40	use Coro ();
		41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
14	use Coro::Event;	44	use Coro::AnyEvent;
15	use Coro::Timer;	45	use Coro::Timer;
16	use Coro::Signal;	46	use Coro::Signal;
17	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
18	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
19		54
		55	use JSON::XS 2.01 ();
		56	use BDB ();
20	use Data::Dumper;	57	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	58	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
25	use Time::HiRes;	61	use Time::HiRes;
		62	use Compress::LZF;
		63	use Digest::MD5 ();
26		64
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	AnyEvent::detect;
		66
		67	# configure various modules to our taste
		68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		77
		78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		80
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	98	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	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(!)
		120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	121	our $NEXT_TICK;
52	our $NOW;	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
		126	our $BDB_TRICKLE_WATCHER;
		127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
53		130
54	our %CFG;	131	our %CFG;
55		132
56	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
58		136
59	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		140
67	# 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 ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $REALLY_UNLOOP; # never set to true, please :)
		153
70	binmode STDOUT;	154	binmode STDOUT;
71	binmode STDERR;	155	binmode STDERR;
72		156
73	# read virtual server time, if available	157	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
78	}	162	}
79		163
80	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	165
82	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		168
86	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
87		170
88	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::"} };
89		187
90	#############################################################################	188	#############################################################################
91		189
92	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
93		191
…		…
100	=item $cf::RUNTIME	198	=item $cf::RUNTIME
101		199
102	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
103	every server tick.	201	every server tick.
104		202
105	=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
106		206
107	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
108	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.
109		211
110	=item $cf::NOW	212	=item $cf::NOW
111		213
112	The time of the last (current) server tick.	214	The time of the last (current) server tick.
113		215
114	=item $cf::TICK	216	=item $cf::TICK
115		217
116	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
117		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
118	=item %cf::CFG	230	=item %cf::CFG
119		231
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
121	from wherever your confdir points to.	233	from wherever your confdir points to.
122		234
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		236
125	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
126	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 process
127	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.
128	window of cpu time available, or simply to synchronise to the server tick.	240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
129		252
130	=back	253	=back
131		254
132	=cut	255	=cut
133		256
134	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
135	*CORE::GLOBAL::warn = sub {	258	sub warn (@) { LOG llevWarn , join "", @_ }
		259	sub info (@) { LOG llevInfo , join "", @_ }
		260	sub debug(@) { LOG llevDebug, join "", @_ }
		261	sub trace(@) { LOG llevTrace, join "", @_ }
		262
		263	$Coro::State::WARNHOOK = sub {
136	my $msg = join "", @_;	264	my $msg = join "", @_;
137	utf8::encode $msg;
138		265
139	$msg .= "\n"	266	$msg .= "\n"
140	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
141		268
		269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		270
142	LOG llevError, $msg;	271	LOG llevWarn, $msg;
143	};	272	};
144	}	273
		274	$Coro::State::DIEHOOK = sub {
		275	return unless $^S eq 0; # "eq", not "=="
		276
		277	error Carp::longmess $_[0];
		278
		279	if (in_main) {#d#
		280	error "DIEHOOK called in main context, Coro bug?\n";#d#
		281	return;#d#
		282	}#d#
		283
		284	# kill coroutine otherwise
		285	Coro::terminate
		286	};
145		287
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	292	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		293	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
151	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	294	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
152		295
153	# we bless all objects into (empty) derived classes to force a method lookup	296	# we bless all objects into (empty) derived classes to force a method lookup
154	# within the Safe compartment.	297	# within the Safe compartment.
155	for my $pkg (qw(	298	for my $pkg (qw(
156	cf::global cf::attachable	299	cf::global cf::attachable
157	cf::object cf::object::player	300	cf::object cf::object::player
158	cf::client cf::player	301	cf::client cf::player
159	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
160	cf::map cf::party cf::region	304	cf::party cf::region
161	)) {	305	)) {
162	no strict 'refs';
163	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
164	}	307	}
165		308
166	$Event::DIED = sub {	309	$EV::DIED = sub {
167	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
168	};	311	};
		312
		313	#############################################################################
169		314
170	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
171		316
172	=over 4	317	=over 4
173		318
…		…
192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	337	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
193	$d	338	$d
194	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
195	}	340	}
196		341
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
200		343
201	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
202		345
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
211		347
212	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
213		349
214	=cut	350	=cut
215		351
216	sub to_json($) {	352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	353
218	JSON::Syck::Dump $_[0]	354	sub encode_json($) { $json_coder->encode ($_[0]) }
		355	sub decode_json($) { $json_coder->decode ($_[0]) }
		356
		357	=item cf::post_init { BLOCK }
		358
		359	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		360	but I<before> the server starts ticking again.
		361
		362	The cdoeblock will have a single boolean argument to indicate whether this
		363	is a reload or not.
		364
		365	=cut
		366
		367	sub post_init(&) {
		368	push @POST_INIT, shift;
219	}	369	}
220		370
221	=item cf::lock_wait $string	371	=item cf::lock_wait $string
222		372
223	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
224		374
225	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
226		376
227	Wait until the given lock is available and then acquires it and returns	377	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	378	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
230	returned.	380	returned.
231		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
232	Lock names should begin with a unique identifier (for example, cf::map::find	385	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
234		387
235	=cut	388	=item $locked = cf::lock_active $string
236		389
237	our %LOCK;	390	Return true if the lock is currently active, i.e. somebody has locked it.
		391
		392	=cut
		393
		394	our $LOCKS = new Coro::SemaphoreSet;
238		395
239	sub lock_wait($) {	396	sub lock_wait($) {
240	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	398	}
248		399
249	sub lock_acquire($) {	400	sub lock_acquire($) {
250	my ($key) = @_;	401	$LOCKS->guard ($_[0])
		402	}
251		403
252	# wait, to be sure we are not locked	404	sub lock_active($) {
253	lock_wait $key;	405	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	406	}
262		407
263	sub freeze_mainloop {	408	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
265		410
266	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
267	$TICK_WATCHER->start;	412	}
268	$WRITE_RUNTIME_WATCHER->start;	413
		414	=item cf::periodic $interval, $cb
		415
		416	Like EV::periodic, but randomly selects a starting point so that the actions
		417	get spread over time.
		418
		419	=cut
		420
		421	sub periodic($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
269	};	478	}
270	$WRITE_RUNTIME_WATCHER->stop;	479	};
271	$TICK_WATCHER->stop;	480
272	$guard	481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
		484	my ($time, $pri, $name) = @_;
		485
		486	$time = clamp $time, 0.01, $TICK * .6;
		487
		488	my $sig = new Coro::Signal;
		489
		490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		492	$SLOT_QUEUE->ready;
		493	$sig->wait;
273	}	494	}
274		495
275	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
276		497
277	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		503
283	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
284		505
285	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
286		507
287	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
290		512
291	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
294	fast or be very important.	516	fast or be very important.
…		…
296	=cut	518	=cut
297		519
298	sub sync_job(&) {	520	sub sync_job(&) {
299	my ($job) = @_;	521	my ($job) = @_;
300		522
301	if ($Coro::current == $Coro::main) {	523	if (in_main) {
		524	my $time = AE::time;
		525
302	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
304		528
305	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	530
307	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
308		532
309	my $busy = 1;	533	my $busy = 1;
310	my @res;	534	my @res;
311		535
312	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	538	@res = eval { $job->() };
314	warn $@ if $@;	539	error $@ if $@;
315	undef $busy;	540	undef $busy;
316	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
317		542
318	while ($busy) {	543	while ($busy) {
319	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
320	}	548	}
		549	}
		550
		551	my $time = AE::time - $time;
		552
		553	$TICK_START += $time; # do not account sync jobs to server load
321		554
322	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
323	} else {	556	} else {
324	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
325		558
…		…
345	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
346		579
347	$coro	580	$coro
348	}	581	}
349		582
350	sub write_runtime {	583	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		584
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	585	Executes the given code block with the given arguments in a seperate
354	or return;	586	process, returning the results. Everything must be serialisable with
		587	Coro::Storable. May, of course, block. Note that the executed sub may
		588	never block itself or use any form of event handling.
355		589
356	my $value = $cf::RUNTIME + 90 + 10;	590	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		591
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	592	sub fork_call(&@) {
361	and return;	593	my ($cb, @args) = @_;
362		594
363	aio_fsync $fh	595	# we seemingly have to make a local copy of the whole thing,
364	and return;	596	# otherwise perl prematurely frees the stuff :/
		597	# TODO: investigate and fix (likely this will be rather laborious)
365		598
366	close $fh	599	my @res = Coro::Util::fork_eval {
367	or return;	600	reset_signals;
		601	&$cb
		602	}, @args;
368		603
369	aio_rename "$runtime~", $runtime	604	wantarray ? @res : $res[-1]
370	and return;	605	}
371		606
		607	sub objinfo {
372	1	608	(
		609	"counter value" => cf::object::object_count,
		610	"objects created" => cf::object::create_count,
		611	"objects destroyed" => cf::object::destroy_count,
		612	"freelist size" => cf::object::free_count,
		613	"allocated objects" => cf::object::objects_size,
		614	"active objects" => cf::object::actives_size,
		615	)
		616	}
		617
		618	=item $coin = coin_from_name $name
		619
		620	=cut
		621
		622	our %coin_alias = (
		623	"silver" => "silvercoin",
		624	"silvercoin" => "silvercoin",
		625	"silvercoins" => "silvercoin",
		626	"gold" => "goldcoin",
		627	"goldcoin" => "goldcoin",
		628	"goldcoins" => "goldcoin",
		629	"platinum" => "platinacoin",
		630	"platinumcoin" => "platinacoin",
		631	"platinumcoins" => "platinacoin",
		632	"platina" => "platinacoin",
		633	"platinacoin" => "platinacoin",
		634	"platinacoins" => "platinacoin",
		635	"royalty" => "royalty",
		636	"royalties" => "royalty",
		637	);
		638
		639	sub coin_from_name($) {
		640	$coin_alias{$_[0]}
		641	? cf::arch::find $coin_alias{$_[0]}
		642	: undef
		643	}
		644
		645	=item $value = cf::db_get $family => $key
		646
		647	Returns a single value from the environment database.
		648
		649	=item cf::db_put $family => $key => $value
		650
		651	Stores the given C<$value> in the family. It can currently store binary
		652	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		653
		654	=item $db = cf::db_table "name"
		655
		656	Create and/or open a new database table. The string must not be "db" and must be unique
		657	within each server.
		658
		659	=cut
		660
		661	sub db_table($) {
		662	cf::error "db_get called from main context"
		663	if $Coro::current == $Coro::main;
		664
		665	my ($name) = @_;
		666	my $db = BDB::db_create $DB_ENV;
		667
		668	eval {
		669	$db->set_flags (BDB::CHKSUM);
		670
		671	utf8::encode $name;
		672	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		673	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		674	cf::cleanup "db_open(db): $!" if $!;
		675	};
		676	cf::cleanup "db_open(db): $@" if $@;
		677
		678	$db
		679	}
		680
		681	our $DB;
		682
		683	sub db_init {
		684	$DB ||= db_table "db";
		685	}
		686
		687	sub db_get($$) {
		688	my $key = "$_[0]/$_[1]";
		689
		690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
		693	BDB::db_get $DB, undef, $key, my $data;
		694
		695	$! ? ()
		696	: $data
		697	}
		698
		699	sub db_put($$$) {
		700	BDB::dbreq_pri 4;
		701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		702	}
		703
		704	=item cf::cache $id => [$paths...], $processversion => $process
		705
		706	Generic caching function that returns the value of the resource $id,
		707	caching and regenerating as required.
		708
		709	This function can block.
		710
		711	=cut
		712
		713	sub cache {
		714	my ($id, $src, $processversion, $process) = @_;
		715
		716	my $meta =
		717	join "\x00",
		718	$processversion,
		719	map {
		720	aio_stat $_
		721	and Carp::croak "$_: $!";
		722
		723	($_, (stat _)[7,9])
		724	} @$src;
		725
		726	my $dbmeta = db_get cache => "$id/meta";
		727	if ($dbmeta ne $meta) {
		728	# changed, we may need to process
		729
		730	my @data;
		731	my $md5;
		732
		733	for (0 .. $#$src) {
		734	0 <= aio_load $src->[$_], $data[$_]
		735	or Carp::croak "$src->[$_]: $!";
		736	}
		737
		738	# if processing is expensive, check
		739	# checksum first
		740	if (1) {
		741	$md5 =
		742	join "\x00",
		743	$processversion,
		744	map {
		745	cf::cede_to_tick;
		746	($src->[$_], Digest::MD5::md5_hex $data[$_])
		747	} 0.. $#$src;
		748
		749
		750	my $dbmd5 = db_get cache => "$id/md5";
		751	if ($dbmd5 eq $md5) {
		752	db_put cache => "$id/meta", $meta;
		753
		754	return db_get cache => "$id/data";
		755	}
		756	}
		757
		758	my $t1 = Time::HiRes::time;
		759	my $data = $process->(\@data);
		760	my $t2 = Time::HiRes::time;
		761
		762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		763
		764	db_put cache => "$id/data", $data;
		765	db_put cache => "$id/md5" , $md5;
		766	db_put cache => "$id/meta", $meta;
		767
		768	return $data;
		769	}
		770
		771	db_get cache => "$id/data"
		772	}
		773
		774	=item cf::datalog type => key => value, ...
		775
		776	Log a datalog packet of the given type with the given key-value pairs.
		777
		778	=cut
		779
		780	sub datalog($@) {
		781	my ($type, %kv) = @_;
		782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	783	}
374		784
375	=back	785	=back
376		786
377	=cut	787	=cut
378		788
379	#############################################################################	789	#############################################################################
380		790
381	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
382		792
383	Many objects in crossfire are so-called attachable objects. That means you can	793	Many objects in deliantra are so-called attachable objects. That means you can
384	attach callbacks/event handlers (a collection of which is called an "attachment")	794	attach callbacks/event handlers (a collection of which is called an "attachment")
385	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
386		796
387	In the following description, CLASS can be any of C<global>, C<object>	797	In the following description, CLASS can be any of C<global>, C<object>
388	C<player>, C<client> or C<map> (i.e. the attachable objects in	798	C<player>, C<client> or C<map> (i.e. the attachable objects in
389	crossfire+).	799	Deliantra).
390		800
391	=over 4	801	=over 4
392		802
393	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
394		804
…		…
438	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
439		849
440	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
441	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
442		852
443	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
444	that are attached at load/instantiate time, thus the need for a name.	854	that are attached at load/instantiate time, thus the need for a name.
445		855
446	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
447		857
448	=over 4	858	=over 4
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	967	$registry = $CB_TYPE[$object_type] ||= [];
558		968
559	} elsif ($type eq "subtype") {	969	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	970	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	971	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	972	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		973
564	} elsif ($type eq "package") {	974	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	975	my $pkg = shift @arg;
566		976
567	while (my ($name, $id) = each %cb_id) {	977	while (my ($name, $id) = each %cb_id) {
…		…
572		982
573	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
574	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
575		985
576	} elsif (ref $type) {	986	} elsif (ref $type) {
577	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
578		988
579	} else {	989	} else {
580	shift @arg;	990	shift @arg;
581	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
582	}	992	}
583	}	993	}
584	}	994	}
585		995
586	sub _object_attach {	996	sub _object_attach {
…		…
596	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
597	}	1007	}
598		1008
599	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
600	} else {	1010	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
602	}	1012	}
603		1013
604	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
605	}	1015	}
606		1016
…		…
608	if (ref $_[0]) {	1018	if (ref $_[0]) {
609	_object_attach @_;	1019	_object_attach @_;
610	} else {	1020	} else {
611	_attach shift->_attach_registry, @_;	1021	_attach shift->_attach_registry, @_;
612	}	1022	}
		1023	_recalc_want;
613	};	1024	};
614		1025
615	# all those should be optimised	1026	# all those should be optimised
616	sub cf::attachable::detach {	1027	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	1028	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	1031	delete $obj->{_attachment}{$name};
621	reattach ($obj);	1032	reattach ($obj);
622	} else {	1033	} else {
623	Carp::croak "cannot, currently, detach class attachments";	1034	Carp::croak "cannot, currently, detach class attachments";
624	}	1035	}
		1036	_recalc_want;
625	};	1037	};
626		1038
627	sub cf::attachable::attached {	1039	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	1040	my ($obj, $name) = @_;
629		1041
…		…
644	";	1056	";
645	die if $@;	1057	die if $@;
646	}	1058	}
647		1059
648	our $override;	1060	our $override;
649	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1061	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
650		1062
651	sub override {	1063	sub override {
652	$override = 1;	1064	$override = 1;
653	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
654	}	1066	}
655		1067
656	sub do_invoke {	1068	sub do_invoke {
657	my $event = shift;	1069	my $event = shift;
658	my $callbacks = shift;	1070	my $callbacks = shift;
659		1071
660	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
661		1073
662	local $override;	1074	local $override;
663		1075
664	for (@$callbacks) {	1076	for (@$callbacks) {
665	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
666		1078
667	if ($@) {	1079	if ($@) {
668	warn "$@";
669	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
670	override;	1081	override;
671	}	1082	}
672		1083
673	return 1 if $override;	1084	return 1 if $override;
674	}	1085	}
675		1086
676	0	1087	0
677	}	1088	}
678		1089
679	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
680		1091
681	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
682		1093
683	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
684		1095
685	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1096	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
686	removed in future versions), and there is no public API to access override	1097	removed in future versions), and there is no public API to access override
687	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		1099
689	=back	1100	=back
690		1101
691	=cut	1102	=cut
692		1103
693	#############################################################################	1104	#############################################################################
694	# object support	1105	# object support
		1106
		1107	sub _object_equal($$);
		1108	sub _object_equal($$) {
		1109	my ($a, $b) = @_;
		1110
		1111	return 0 unless (ref $a) eq (ref $b);
		1112
		1113	if ("HASH" eq ref $a) {
		1114	my @ka = keys %$a;
		1115	my @kb = keys %$b;
		1116
		1117	return 0 if @ka != @kb;
		1118
		1119	for (0 .. $#ka) {
		1120	return 0 unless $ka[$_] eq $kb[$_];
		1121	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1122	}
		1123
		1124	} elsif ("ARRAY" eq ref $a) {
		1125
		1126	return 0 if @$a != @$b;
		1127
		1128	for (0 .. $#$a) {
		1129	return 0 unless _object_equal $a->[$_], $b->[$_];
		1130	}
		1131
		1132	} elsif ($a ne $b) {
		1133	return 0;
		1134	}
		1135
		1136	1
		1137	}
		1138
		1139	our $SLOW_MERGES;#d#
		1140	sub _can_merge {
		1141	my ($ob1, $ob2) = @_;
		1142
		1143	++$SLOW_MERGES;#d#
		1144
		1145	# we do the slow way here
		1146	return _object_equal $ob1, $ob2
		1147	}
695		1148
696	sub reattach {	1149	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	1151	my ($obj) = @_;
699		1152
		1153	# no longer needed after getting rid of delete_package?
700	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1154	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
701		1155
702	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
703		1157
704	@$registry = ();	1158	@$registry = ();
705		1159
…		…
710	for (@$attach) {	1164	for (@$attach) {
711	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
712	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
713	}	1167	}
714	} else {	1168	} else {
715	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
716	}	1170	}
717	}	1171	}
718	}	1172	}
719		1173
720	cf::attachable->attach (	1174	cf::attachable->attach (
721	prio => -1000000,	1175	prio => -1000000,
722	on_instantiate => sub {	1176	on_instantiate => sub {
723	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
724		1178
725	$data = from_json $data;	1179	$data = decode_json $data;
726		1180
727	for (@$data) {	1181	for (@$data) {
728	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
729		1183
730	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
746	sub object_freezer_save {	1200	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
748		1202
749	sync_job {	1203	sync_job {
750	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
753		1209
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1213	if ($cf::USE_FSYNC) {
		1214	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
757	aio_fsync $fh;	1215	aio_fsync $fh;
		1216	}
758	close $fh;	1217	aio_close $fh;
759		1218
760	if (@$objs) {	1219	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1220	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
		1224	if ($cf::USE_FSYNC) {
		1225	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
765	aio_fsync $fh;	1226	aio_fsync $fh;
		1227	}
766	close $fh;	1228	aio_close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
768	}	1230	}
769	} else {	1231	} else {
770	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
771	}	1233	}
772		1234
773	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
774	} else {	1239	} else {
775	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
776	}	1241	}
777	} else {	1242	} else {
778	aio_unlink $filename;	1243	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
780	}	1245	}
781	}	1246	};
782	}	1247	}
783		1248
784	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
785	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
786		1251
…		…
798	or return;	1263	or return;
799		1264
800	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
801	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
802	or return;	1267	or return;
		1268
803	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
804	}	1271	}
805		1272
		1273	utf8::decode (my $decname = $filename);
806	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
807	$filename, length $data, scalar @{$av || []};#d#	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
808	return ($data, $av);	1278	($data, $av)
809	}	1279	}
		1280
		1281	=head2 COMMAND CALLBACKS
		1282
		1283	=over 4
		1284
		1285	=cut
810		1286
811	#############################################################################	1287	#############################################################################
812	# command handling &c	1288	# command handling &c
813		1289
814	=item cf::register_command $name => \&callback($ob,$args);	1290	=item cf::register_command $name => \&callback($ob,$args);
…		…
827	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
828	}	1304	}
829		1305
830	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
831		1307
832	Register a callbackf ro execution when the client sends an extcmd packet.	1308	Register a callback for execution when the client sends an (synchronous)
		1309	extcmd packet. Ext commands will be processed in the order they are
		1310	received by the server, like other user commands. The first argument is
		1311	the logged-in player. Ext commands can only be processed after a player
		1312	has logged in successfully.
833		1313
834	If the callback returns something, it is sent back as if reply was being	1314	If the callback returns something, it is sent back as if reply was being
835	called.	1315	called.
836		1316
		1317	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1318
		1319	Register a callback for execution when the client sends an (asynchronous)
		1320	exticmd packet. Exti commands are processed by the server as soon as they
		1321	are received, i.e. out of order w.r.t. other commands. The first argument
		1322	is a client socket. Exti commands can be received anytime, even before
		1323	log-in.
		1324
		1325	If the callback returns something, it is sent back as if reply was being
		1326	called.
		1327
837	=cut	1328	=cut
838		1329
839	sub register_extcmd {	1330	sub register_extcmd {
840	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
841		1332
842	$EXTCMD{$name} = $cb;	1333	$EXTCMD{$name} = $cb;
843	}	1334	}
844		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
		1343
845	cf::player->attach (	1344	cf::player->attach (
846	on_command => sub {	1345	on_unknown_command => sub {
847	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
848		1347
849	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
850	or return;	1349	or return;
851		1350
…		…
856	cf::override;	1355	cf::override;
857	},	1356	},
858	on_extcmd => sub {	1357	on_extcmd => sub {
859	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
860		1359
861	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
862		1361
863	if (ref $msg) {	1362	if (ref $msg) {
		1363	my ($type, $reply, @payload) =
		1364	"ARRAY" eq ref $msg
		1365	? @$msg
		1366	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1367
		1368	my @reply;
		1369
864	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
865	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
866	$pl->ext_reply ($msg->{msgid}, %reply);
867	}
868	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
869	} else {	1377	} else {
870	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
871	}	1379	}
872		1380
873	cf::override;	1381	cf::override;
874	},	1382	},
875	);	1383	);
876		1384
		1385	# "readahead" all extensions
877	sub load_extension {	1386	sub cache_extensions {
878	my ($path) = @_;	1387	my $grp = IO::AIO::aio_group;
879		1388
880	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
881	my $base = $1;	1390	for (grep /\.ext$/, @{$_[0]}) {
882	my $pkg = $1;	1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
883	$pkg =~ s/[^[:word:]]/_/g;
884	$pkg = "ext::$pkg";
885
886	warn "... loading '$path' into '$pkg'\n";
887
888	open my $fh, "<:utf8", $path
889	or die "$path: $!";
890
891	my $source =
892	"package $pkg; use strict; use utf8;\n"
893	. "#line 1 \"$path\"\n{\n"
894	. (do { local $/; <$fh> })
895	. "\n};\n1";
896
897	unless (eval $source) {
898	my $msg = $@ ? "$path: $@\n"
899	: "extension disabled.\n";
900	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
901	warn $@;
902	warn "mandatory extension failed to load, exiting.\n";
903	exit 1;
904	}	1392	}
905	die $@;
906	}	1393	};
907		1394
908	push @EXTS, $pkg;	1395	$grp
909	}	1396	}
910		1397
911	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
		1401	cf::sync_job {
		1402	my %todo;
		1403
912	for my $ext (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
913	next unless -r $ext;	1405	next unless -r $path;
914	eval {	1406
915	load_extension $ext;	1407	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1408	my $base = $1;
		1409	my $pkg = $1;
		1410	$pkg =~ s/[^[:word:]]/_/g;
		1411	$pkg = "ext::$pkg";
		1412
		1413	open my $fh, "<:utf8", $path
		1414	or die "$path: $!";
		1415
		1416	my $source = do { local $/; <$fh> };
		1417
		1418	my %ext = (
		1419	path => $path,
		1420	base => $base,
		1421	pkg => $pkg,
		1422	);
		1423
		1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1426
		1427	$ext{source} =
		1428	"package $pkg; use common::sense;\n"
		1429	. "#line 1 \"$path\"\n{\n"
		1430	. $source
		1431	. "\n};\n1";
		1432
		1433	$todo{$base} = \%ext;
		1434	}
		1435
		1436	my $pass = 0;
		1437	my %done;
		1438	while (%todo) {
		1439	my $progress;
		1440
		1441	++$pass;
		1442
		1443	ext:
		1444	while (my ($k, $v) = each %todo) {
		1445	for (split /,\s*/, $v->{meta}{depends}) {
		1446	next ext
		1447	unless exists $done{$_};
		1448	}
		1449
		1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1451
		1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
		1455	error "$v->{path}: $@\n";
		1456	undef $@; # work around perl 5.10.0 utf-8 caching bug
		1457
		1458	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1459	if exists $v->{meta}{mandatory};
		1460
		1461	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1462	delete $todo{$k};
		1463	} else {
		1464	$done{$k} = delete $todo{$k};
		1465	push @EXTS, $v->{pkg};
		1466	$progress = 1;
		1467
		1468	info "$v->{base}: extension inactive.\n"
		1469	unless $active;
		1470	}
916	1	1471	}
917	} or warn "$ext not loaded: $@";	1472
		1473	unless ($progress) {
		1474	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1475
		1476	while (my ($k, $v) = each %todo) {
		1477	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1478	if exists $v->{meta}{mandatory};
		1479	}
		1480	}
		1481	}
918	}	1482	};
919	}	1483	}
920		1484
921	#############################################################################	1485	#############################################################################
922		1486
		1487	=back
		1488
923	=head2 CORE EXTENSIONS	1489	=head2 CORE EXTENSIONS
924		1490
925	Functions and methods that extend core crossfire objects.	1491	Functions and methods that extend core deliantra objects.
926		1492
927	=cut	1493	=cut
928		1494
929	package cf::player;	1495	package cf::player;
930		1496
…		…
932		1498
933	=head3 cf::player	1499	=head3 cf::player
934		1500
935	=over 4	1501	=over 4
936		1502
		1503	=item cf::player::num_playing
		1504
		1505	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1506
		1507	=cut
		1508
		1509	sub num_playing {
		1510	scalar grep
		1511	$_->ob->map
		1512	&& !$_->hidden
		1513	&& !$_->ob->flag (cf::FLAG_WIZ),
		1514	cf::player::list
		1515	}
		1516
937	=item cf::player::find $login	1517	=item cf::player::find $login
938		1518
939	Returns the given player object, loading it if necessary (might block).	1519	Returns the given player object, loading it if necessary (might block).
940		1520
941	=cut	1521	=cut
942		1522
943	sub playerdir($) {	1523	sub playerdir($) {
944	cf::localdir	1524	"$PLAYERDIR/"
945	. "/"
946	. cf::playerdir
947	. "/"
948	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1525	. (ref $_[0] ? $_[0]->ob->name : $_[0])
949	}	1526	}
950		1527
951	sub path($) {	1528	sub path($) {
952	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1529	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
953		1530
954	(playerdir $login) . "/$login.pl"	1531	(playerdir $login) . "/playerdata"
955	}	1532	}
956		1533
957	sub find_active($) {	1534	sub find_active($) {
958	$cf::PLAYER{$_[0]}	1535	$cf::PLAYER{$_[0]}
959	and $cf::PLAYER{$_[0]}->active	1536	and $cf::PLAYER{$_[0]}->active
…		…
962		1539
963	sub exists($) {	1540	sub exists($) {
964	my ($login) = @_;	1541	my ($login) = @_;
965		1542
966	$cf::PLAYER{$login}	1543	$cf::PLAYER{$login}
967	or cf::sync_job { !aio_stat path $login }	1544	or !aio_stat path $login
968	}	1545	}
969		1546
970	sub find($) {	1547	sub find($) {
971	return $cf::PLAYER{$_[0]} || do {	1548	return $cf::PLAYER{$_[0]} || do {
972	my $login = $_[0];	1549	my $login = $_[0];
973		1550
974	my $guard = cf::lock_acquire "user_find:$login";	1551	my $guard = cf::lock_acquire "user_find:$login";
975		1552
976	$cf::PLAYER{$_[0]} || do {	1553	$cf::PLAYER{$_[0]} || do {
977	my $pl = load_pl path $login	1554	# rename old playerfiles to new ones
		1555	#TODO: remove when no longer required
		1556	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1557	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1558	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1559	aio_unlink +(playerdir $login) . "/$login.pl";
		1560
		1561	my $f = new_from_file cf::object::thawer path $login
978	or return;	1562	or return;
		1563
		1564	my $pl = cf::player::load_pl $f
		1565	or return;
		1566
		1567	local $cf::PLAYER_LOADING{$login} = $pl;
		1568	$f->resolve_delayed_derefs;
979	$cf::PLAYER{$login} = $pl	1569	$cf::PLAYER{$login} = $pl
980	}	1570	}
981	}	1571	}
982	}	1572	}
		1573
		1574	cf::player->attach (
		1575	on_load => sub {
		1576	my ($pl, $path) = @_;
		1577
		1578	# restore slots saved in save, below
		1579	my $slots = delete $pl->{_slots};
		1580
		1581	$pl->ob->current_weapon ($slots->[0]);
		1582	$pl->combat_ob ($slots->[1]);
		1583	$pl->ranged_ob ($slots->[2]);
		1584	},
		1585	);
983		1586
984	sub save($) {	1587	sub save($) {
985	my ($pl) = @_;	1588	my ($pl) = @_;
986		1589
987	return if $pl->{deny_save};	1590	return if $pl->{deny_save};
…		…
992	return if $pl->{deny_save};	1595	return if $pl->{deny_save};
993		1596
994	aio_mkdir playerdir $pl, 0770;	1597	aio_mkdir playerdir $pl, 0770;
995	$pl->{last_save} = $cf::RUNTIME;	1598	$pl->{last_save} = $cf::RUNTIME;
996		1599
		1600	cf::get_slot 0.01;
		1601
		1602	# save slots, to be restored later
		1603	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1604
997	$pl->save_pl ($path);	1605	$pl->save_pl ($path);
998	Coro::cede;	1606	cf::cede_to_tick;
999	}	1607	}
1000		1608
1001	sub new($) {	1609	sub new($) {
1002	my ($login) = @_;	1610	my ($login) = @_;
1003		1611
…		…
1009	$cf::PLAYER{$login} = $self;	1617	$cf::PLAYER{$login} = $self;
1010		1618
1011	$self	1619	$self
1012	}	1620	}
1013		1621
		1622	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1623
		1624	=cut
		1625
		1626	sub send_msg {
		1627	my $ns = shift->ns
		1628	or return;
		1629	$ns->send_msg (@_);
		1630	}
		1631
1014	=item $pl->quit_character	1632	=item $pl->quit_character
1015		1633
1016	Nukes the player without looking back. If logged in, the connection will	1634	Nukes the player without looking back. If logged in, the connection will
1017	be destroyed. May block for a long time.	1635	be destroyed. May block for a long time.
1018		1636
1019	=cut	1637	=cut
1020		1638
1021	sub quit_character {	1639	sub quit_character {
1022	my ($pl) = @_;	1640	my ($pl) = @_;
1023		1641
		1642	my $name = $pl->ob->name;
		1643
1024	$pl->{deny_save} = 1;	1644	$pl->{deny_save} = 1;
1025	$pl->password ("*"); # this should lock out the player until we nuked the dir	1645	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1026		1646
1027	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1647	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1028	$pl->deactivate;	1648	$pl->deactivate;
		1649	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1029	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1650	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1030	$pl->ns->destroy if $pl->ns;	1651	$pl->ns->destroy if $pl->ns;
1031		1652
1032	my $path = playerdir $pl;	1653	my $path = playerdir $pl;
1033	my $temp = "$path~$cf::RUNTIME~deleting~";	1654	my $temp = "$path~$cf::RUNTIME~deleting~";
1034	aio_rename $path, $temp;	1655	aio_rename $path, $temp;
1035	delete $cf::PLAYER{$pl->ob->name};	1656	delete $cf::PLAYER{$pl->ob->name};
1036	$pl->destroy;	1657	$pl->destroy;
		1658
		1659	my $prefix = qr<^~\Q$name\E/>;
		1660
		1661	# nuke player maps
		1662	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1663
1037	IO::AIO::aio_rmtree $temp;	1664	IO::AIO::aio_rmtree $temp;
		1665	}
		1666
		1667	=item $pl->kick
		1668
		1669	Kicks a player out of the game. This destroys the connection.
		1670
		1671	=cut
		1672
		1673	sub kick {
		1674	my ($pl, $kicker) = @_;
		1675
		1676	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1677	$pl->killer ("kicked");
		1678	$pl->ns->destroy;
1038	}	1679	}
1039		1680
1040	=item cf::player::list_logins	1681	=item cf::player::list_logins
1041		1682
1042	Returns am arrayref of all valid playernames in the system, can take a	1683	Returns am arrayref of all valid playernames in the system, can take a
1043	while and may block, so not sync_job-capable, ever.	1684	while and may block, so not sync_job-capable, ever.
1044		1685
1045	=cut	1686	=cut
1046		1687
1047	sub list_logins {	1688	sub list_logins {
1048	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1689	my $dirs = aio_readdir $PLAYERDIR
1049	or return [];	1690	or return [];
1050		1691
1051	my @logins;	1692	my @logins;
1052		1693
1053	for my $login (@$dirs) {	1694	for my $login (@$dirs) {
		1695	my $path = path $login;
		1696
		1697	# a .pst is a dead give-away for a valid player
		1698	# if no pst file found, open and chekc for blocked users
		1699	if (aio_stat "$path.pst") {
1054	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1700	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1055	aio_read $fh, 0, 512, my $buf, 0 or next;	1701	aio_read $fh, 0, 512, my $buf, 0 or next;
1056	$buf !~ /^password -------------$/m or next; # official not-valid tag	1702	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1703	}
1057		1704
1058	utf8::decode $login;	1705	utf8::decode $login;
1059	push @logins, $login;	1706	push @logins, $login;
1060	}	1707	}
1061		1708
1062	\@logins	1709	\@logins
1063	}	1710	}
1064		1711
1065	=item $player->maps	1712	=item $player->maps
1066		1713
		1714	=item cf::player::maps $login
		1715
1067	Returns an arrayref of map paths that are private for this	1716	Returns an arrayref of map paths that are private for this
1068	player. May block.	1717	player. May block.
1069		1718
1070	=cut	1719	=cut
1071		1720
1072	sub maps($) {	1721	sub maps($) {
1073	my ($pl) = @_;	1722	my ($pl) = @_;
		1723
		1724	$pl = ref $pl ? $pl->ob->name : $pl;
1074		1725
1075	my $files = aio_readdir playerdir $pl	1726	my $files = aio_readdir playerdir $pl
1076	or return;	1727	or return;
1077		1728
1078	my @paths;	1729	my @paths;
…		…
1080	for (@$files) {	1731	for (@$files) {
1081	utf8::decode $_;	1732	utf8::decode $_;
1082	next if /\.(?:pl|pst)$/;	1733	next if /\.(?:pl|pst)$/;
1083	next unless /^$PATH_SEP/o;	1734	next unless /^$PATH_SEP/o;
1084		1735
1085	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1736	push @paths, cf::map::normalise "~$pl/$_";
1086	}	1737	}
1087		1738
1088	\@paths	1739	\@paths
1089	}	1740	}
1090		1741
		1742	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1743
		1744	Expand deliantra pod fragments into protocol xml.
		1745
1091	=item $player->ext_reply ($msgid, $msgtype, %msg)	1746	=item $player->ext_reply ($msgid, @msg)
1092		1747
1093	Sends an ext reply to the player.	1748	Sends an ext reply to the player.
1094		1749
1095	=cut	1750	=cut
1096		1751
1097	sub ext_reply($$$%) {	1752	sub ext_reply($$@) {
1098	my ($self, $id, %msg) = @_;	1753	my ($self, $id, @msg) = @_;
1099		1754
1100	$msg{msgid} = $id;	1755	$self->ns->ext_reply ($id, @msg)
1101
1102	$self->send ("ext " . cf::to_json \%msg);
1103	}	1756	}
1104		1757
1105	package cf;	1758	=item $player->ext_msg ($type, @msg)
		1759
		1760	Sends an ext event to the client.
		1761
		1762	=cut
		1763
		1764	sub ext_msg($$@) {
		1765	my ($self, $type, @msg) = @_;
		1766
		1767	$self->ns->ext_msg ($type, @msg);
		1768	}
		1769
		1770	=head3 cf::region
		1771
		1772	=over 4
		1773
		1774	=cut
		1775
		1776	package cf::region;
		1777
		1778	=item cf::region::find_by_path $path
		1779
		1780	Tries to decuce the likely region for a map knowing only its path.
		1781
		1782	=cut
		1783
		1784	sub find_by_path($) {
		1785	my ($path) = @_;
		1786
		1787	$path =~ s/^~[^\/]*//; # skip ~login
		1788
		1789	my ($match, $specificity);
		1790
		1791	for my $region (list) {
		1792	if ($region->{match} && $path =~ $region->{match}) {
		1793	($match, $specificity) = ($region, $region->specificity)
		1794	if $region->specificity > $specificity;
		1795	}
		1796	}
		1797
		1798	$match
		1799	}
1106		1800
1107	=back	1801	=back
1108
1109		1802
1110	=head3 cf::map	1803	=head3 cf::map
1111		1804
1112	=over 4	1805	=over 4
1113		1806
…		…
1125	our $MAX_RESET = 3600;	1818	our $MAX_RESET = 3600;
1126	our $DEFAULT_RESET = 3000;	1819	our $DEFAULT_RESET = 3000;
1127		1820
1128	sub generate_random_map {	1821	sub generate_random_map {
1129	my ($self, $rmp) = @_;	1822	my ($self, $rmp) = @_;
		1823
		1824	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1825
1130	# mit "rum" bekleckern, nicht	1826	# mit "rum" bekleckern, nicht
1131	$self->_create_random_map (	1827	$self->_create_random_map (
1132	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1828	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1133	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1829	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1134	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1830	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1135	$rmp->{exit_on_final_map},	1831	$rmp->{exit_on_final_map},
1136	$rmp->{xsize}, $rmp->{ysize},	1832	$rmp->{xsize}, $rmp->{ysize},
1137	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1833	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1138	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1834	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1160		1856
1161	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1857	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1162	}	1858	}
1163		1859
1164	# also paths starting with '/'	1860	# also paths starting with '/'
1165	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1861	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1166		1862
1167	sub thawer_merge {	1863	sub thawer_merge {
1168	my ($self, $merge) = @_;	1864	my ($self, $merge) = @_;
1169		1865
1170	# we have to keep some variables in memory intact	1866	# we have to keep some variables in memory intact
1171	local $self->{path};	1867	local $self->{path};
1172	local $self->{load_path};	1868	local $self->{load_path};
1173	local $self->{deny_save};
1174	local $self->{deny_reset};
1175		1869
1176	$self->SUPER::thawer_merge ($merge);	1870	$self->SUPER::thawer_merge ($merge);
1177	}	1871	}
1178		1872
1179	sub normalise {	1873	sub normalise {
…		…
1226	$self->init; # pass $1 etc.	1920	$self->init; # pass $1 etc.
1227	return $self;	1921	return $self;
1228	}	1922	}
1229	}	1923	}
1230		1924
1231	Carp::carp "unable to resolve path '$path' (base '$base').";	1925	Carp::cluck "unable to resolve path '$path' (base '$base').";
1232	()	1926	()
1233	}	1927	}
1234		1928
1235	sub init {	1929	sub init {
1236	my ($self) = @_;	1930	my ($self) = @_;
…		…
1251		1945
1252	# the original (read-only) location	1946	# the original (read-only) location
1253	sub load_path {	1947	sub load_path {
1254	my ($self) = @_;	1948	my ($self) = @_;
1255		1949
1256	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1950	"$MAPDIR/$self->{path}.map"
1257	}	1951	}
1258		1952
1259	# the temporary/swap location	1953	# the temporary/swap location
1260	sub save_path {	1954	sub save_path {
1261	my ($self) = @_;	1955	my ($self) = @_;
1262		1956
1263	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1957	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1264	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1958	"$TMPDIR/$path.map"
1265	}	1959	}
1266		1960
1267	# the unique path, undef == no special unique path	1961	# the unique path, undef == no special unique path
1268	sub uniq_path {	1962	sub uniq_path {
1269	my ($self) = @_;	1963	my ($self) = @_;
1270		1964
1271	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1965	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1272	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1966	"$UNIQUEDIR/$path"
1273	}	1967	}
1274		1968
1275	# and all this just because we cannot iterate over	1969	sub decay_objects {
1276	# all maps in C++...
1277	sub change_all_map_light {
1278	my ($change) = @_;	1970	my ($self) = @_;
1279		1971
1280	$_->change_map_light ($change)	1972	return if $self->{deny_reset};
1281	for grep $_->outdoor, values %cf::MAP;	1973
		1974	$self->do_decay_objects;
1282	}	1975	}
1283		1976
1284	sub unlink_save {	1977	sub unlink_save {
1285	my ($self) = @_;	1978	my ($self) = @_;
1286		1979
…		…
1291		1984
1292	sub load_header_from($) {	1985	sub load_header_from($) {
1293	my ($self, $path) = @_;	1986	my ($self, $path) = @_;
1294		1987
1295	utf8::encode $path;	1988	utf8::encode $path;
1296	aio_open $path, O_RDONLY, 0	1989	my $f = new_from_file cf::object::thawer $path
1297	or return;	1990	or return;
1298		1991
1299	$self->_load_header ($path)	1992	$self->_load_header ($f)
1300	or return;	1993	or return;
		1994
		1995	local $MAP_LOADING{$self->{path}} = $self;
		1996	$f->resolve_delayed_derefs;
1301		1997
1302	$self->{load_path} = $path;	1998	$self->{load_path} = $path;
1303		1999
1304	1	2000	1
1305	}	2001	}
…		…
1344	$self->load_header_orig	2040	$self->load_header_orig
1345	or return;	2041	or return;
1346	$self->prepare_orig;	2042	$self->prepare_orig;
1347	}	2043	}
1348		2044
		2045	$self->{deny_reset} = 1
		2046	if $self->no_reset;
		2047
		2048	$self->default_region (cf::region::find_by_path $self->{path})
		2049	unless $self->default_region;
		2050
1349	1	2051	1
1350	}	2052	}
1351		2053
1352	sub find;	2054	sub find;
1353	sub find {	2055	sub find {
1354	my ($path, $origin) = @_;	2056	my ($path, $origin) = @_;
1355		2057
1356	$path = normalise $path, $origin && $origin->path;	2058	$path = normalise $path, $origin && $origin->path;
1357		2059
		2060	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1358	cf::lock_wait "map_find:$path";	2061	my $guard2 = cf::lock_acquire "map_find:$path";
1359		2062
1360	$cf::MAP{$path} || do {	2063	$cf::MAP{$path} || do {
1361	my $guard = cf::lock_acquire "map_find:$path";
1362	my $map = new_from_path cf::map $path	2064	my $map = new_from_path cf::map $path
1363	or return;	2065	or return;
1364		2066
1365	$map->{last_save} = $cf::RUNTIME;	2067	$map->{last_save} = $cf::RUNTIME;
1366		2068
1367	$map->load_header	2069	$map->load_header
1368	or return;	2070	or return;
1369		2071
1370	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2072	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1371	# doing this can freeze the server in a sync job, obviously	2073	# doing this can freeze the server in a sync job, obviously
1372	#$cf::WAIT_FOR_TICK->wait;	2074	#$cf::WAIT_FOR_TICK->wait;
		2075	undef $guard2;
		2076	undef $guard1;
1373	$map->reset;	2077	$map->reset;
1374	undef $guard;
1375	return find $path;	2078	return find $path;
1376	}	2079	}
1377		2080
1378	$cf::MAP{$path} = $map	2081	$cf::MAP{$path} = $map
1379	}	2082	}
1380	}	2083	}
1381		2084
1382	sub pre_load { }	2085	sub pre_load { }
1383	sub post_load { }	2086	#sub post_load { } # XS
1384		2087
1385	sub load {	2088	sub load {
1386	my ($self) = @_;	2089	my ($self) = @_;
1387		2090
1388	local $self->{deny_reset} = 1; # loading can take a long time	2091	local $self->{deny_reset} = 1; # loading can take a long time
1389		2092
1390	my $path = $self->{path};	2093	my $path = $self->{path};
		2094
		2095	{
1391	my $guard = cf::lock_acquire "map_load:$path";	2096	my $guard = cf::lock_acquire "map_data:$path";
1392		2097
		2098	return unless $self->valid;
1393	return if $self->in_memory != cf::MAP_SWAPPED;	2099	return unless $self->in_memory == cf::MAP_SWAPPED;
1394		2100
1395	$self->in_memory (cf::MAP_LOADING);	2101	$self->in_memory (cf::MAP_LOADING);
1396		2102
1397	$self->alloc;	2103	$self->alloc;
1398		2104
1399	$self->pre_load;	2105	$self->pre_load;
		2106	cf::cede_to_tick;
1400		2107
1401	$self->_load_objects ($self->{load_path}, 1)	2108	my $f = new_from_file cf::object::thawer $self->{load_path};
		2109	$f->skip_block;
		2110	$self->_load_objects ($f)
1402	or return;	2111	or return;
1403		2112
1404	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2113	$self->post_load_original
1405	if delete $self->{load_original};	2114	if delete $self->{load_original};
1406		2115
1407	if (my $uniq = $self->uniq_path) {	2116	if (my $uniq = $self->uniq_path) {
1408	utf8::encode $uniq;	2117	utf8::encode $uniq;
1409	if (aio_open $uniq, O_RDONLY, 0) {	2118	unless (aio_stat $uniq) {
		2119	if (my $f = new_from_file cf::object::thawer $uniq) {
1410	$self->clear_unique_items;	2120	$self->clear_unique_items;
1411	$self->_load_objects ($uniq, 0);	2121	$self->_load_objects ($f);
		2122	$f->resolve_delayed_derefs;
		2123	}
1412	}	2124	}
1413	}	2125	}
1414		2126
1415	Coro::cede;	2127	$f->resolve_delayed_derefs;
1416		2128
		2129	cf::cede_to_tick;
1417	# now do the right thing for maps	2130	# now do the right thing for maps
1418	$self->link_multipart_objects;	2131	$self->link_multipart_objects;
1419
1420	unless ($self->{deny_activate}) {
1421	$self->decay_objects;
1422	$self->fix_auto_apply;
1423	$self->update_buttons;
1424	Coro::cede;
1425	$self->set_darkness_map;
1426	$self->difficulty ($self->estimate_difficulty)	2132	$self->difficulty ($self->estimate_difficulty)
1427	unless $self->difficulty;	2133	unless $self->difficulty;
1428	Coro::cede;	2134	cf::cede_to_tick;
		2135
		2136	unless ($self->{deny_activate}) {
		2137	$self->decay_objects;
		2138	$self->fix_auto_apply;
		2139	$self->update_buttons;
		2140	cf::cede_to_tick;
1429	$self->activate;	2141	$self->activate;
		2142	}
		2143
		2144	$self->{last_save} = $cf::RUNTIME;
		2145	$self->last_access ($cf::RUNTIME);
		2146
		2147	$self->in_memory (cf::MAP_ACTIVE);
1430	}	2148	}
1431		2149
1432	$self->post_load;	2150	$self->post_load;
1433
1434	$self->in_memory (cf::MAP_IN_MEMORY);
1435	}	2151	}
1436		2152
		2153	# customize the map for a given player, i.e.
		2154	# return the _real_ map. used by e.g. per-player
		2155	# maps to change the path to ~playername/mappath
1437	sub customise_for {	2156	sub customise_for {
1438	my ($self, $ob) = @_;	2157	my ($self, $ob) = @_;
1439		2158
1440	return find "~" . $ob->name . "/" . $self->{path}	2159	return find "~" . $ob->name . "/" . $self->{path}
1441	if $self->per_player;	2160	if $self->per_player;
1442		2161
		2162	# return find "?party/" . $ob->name . "/" . $self->{path}
		2163	# if $self->per_party;
		2164
1443	$self	2165	$self
1444	}	2166	}
1445		2167
1446	# find and load all maps in the 3x3 area around a map	2168	# find and load all maps in the 3x3 area around a map
1447	sub load_diag {	2169	sub load_neighbours {
1448	my ($map) = @_;	2170	my ($map) = @_;
1449		2171
1450	my @diag; # diagonal neighbours	2172	my @neigh; # diagonal neighbours
1451		2173
1452	for (0 .. 3) {	2174	for (0 .. 3) {
1453	my $neigh = $map->tile_path ($_)	2175	my $neigh = $map->tile_path ($_)
1454	or next;	2176	or next;
1455	$neigh = find $neigh, $map	2177	$neigh = find $neigh, $map
1456	or next;	2178	or next;
1457	$neigh->load;	2179	$neigh->load;
1458		2180
		2181	# now find the diagonal neighbours
		2182	push @neigh,
1459	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2183	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1460	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2184	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1461	}	2185	}
1462		2186
1463	for (@diag) {	2187	for (grep defined $_->[0], @neigh) {
		2188	my ($path, $origin) = @$_;
1464	my $neigh = find @$_	2189	my $neigh = find $path, $origin
1465	or next;	2190	or next;
1466	$neigh->load;	2191	$neigh->load;
1467	}	2192	}
1468	}	2193	}
1469		2194
1470	sub find_sync {	2195	sub find_sync {
1471	my ($path, $origin) = @_;	2196	my ($path, $origin) = @_;
1472		2197
1473	cf::sync_job { find $path, $origin }	2198	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2199	if $Coro::current == $Coro::main;
		2200
		2201	find $path, $origin
1474	}	2202	}
1475		2203
1476	sub do_load_sync {	2204	sub do_load_sync {
1477	my ($map) = @_;	2205	my ($map) = @_;
1478		2206
1479	cf::sync_job { $map->load };	2207	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2208	if $Coro::current == $Coro::main;
		2209
		2210	$map->load;
1480	}	2211	}
1481		2212
1482	our %MAP_PREFETCH;	2213	our %MAP_PREFETCH;
1483	our $MAP_PREFETCHER = undef;	2214	our $MAP_PREFETCHER = undef;
1484		2215
1485	sub find_async {	2216	sub find_async {
1486	my ($path, $origin) = @_;	2217	my ($path, $origin, $load) = @_;
1487		2218
1488	$path = normalise $path, $origin && $origin->{path};	2219	$path = normalise $path, $origin && $origin->{path};
1489		2220
1490	if (my $map = $cf::MAP{$path}) {	2221	if (my $map = $cf::MAP{$path}) {
1491	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2222	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1492	}	2223	}
1493		2224
1494	undef $MAP_PREFETCH{$path};	2225	$MAP_PREFETCH{$path} |= $load;
		2226
1495	$MAP_PREFETCHER ||= cf::async {	2227	$MAP_PREFETCHER ||= cf::async {
		2228	$Coro::current->{desc} = "map prefetcher";
		2229
1496	while (%MAP_PREFETCH) {	2230	while (%MAP_PREFETCH) {
1497	for my $path (keys %MAP_PREFETCH) {	2231	while (my ($k, $v) = each %MAP_PREFETCH) {
1498	my $map = find $path	2232	if (my $map = find $k) {
1499	or next;
1500	$map->load;	2233	$map->load if $v;
		2234	}
1501		2235
1502	delete $MAP_PREFETCH{$path};	2236	delete $MAP_PREFETCH{$k};
1503	}	2237	}
1504	}	2238	}
1505	undef $MAP_PREFETCHER;	2239	undef $MAP_PREFETCHER;
1506	};	2240	};
1507	$MAP_PREFETCHER->prio (6);	2241	$MAP_PREFETCHER->prio (6);
1508		2242
1509	()	2243	()
1510	}	2244	}
1511		2245
		2246	# common code, used by both ->save and ->swapout
1512	sub save {	2247	sub _save {
1513	my ($self) = @_;	2248	my ($self) = @_;
1514
1515	my $lock = cf::lock_acquire "map_data:" . $self->path;
1516		2249
1517	$self->{last_save} = $cf::RUNTIME;	2250	$self->{last_save} = $cf::RUNTIME;
1518		2251
1519	return unless $self->dirty;	2252	return unless $self->dirty;
1520		2253
…		…
1526	return if $self->{deny_save};	2259	return if $self->{deny_save};
1527		2260
1528	local $self->{last_access} = $self->last_access;#d#	2261	local $self->{last_access} = $self->last_access;#d#
1529		2262
1530	cf::async {	2263	cf::async {
		2264	$Coro::current->{desc} = "map player save";
1531	$_->contr->save for $self->players;	2265	$_->contr->save for $self->players;
1532	};	2266	};
		2267
		2268	cf::get_slot 0.02;
1533		2269
1534	if ($uniq) {	2270	if ($uniq) {
1535	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2271	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1536	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2272	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1537	} else {	2273	} else {
1538	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2274	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1539	}	2275	}
1540	}	2276	}
1541		2277
		2278	sub save {
		2279	my ($self) = @_;
		2280
		2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2282
		2283	$self->_save;
		2284	}
		2285
1542	sub swap_out {	2286	sub swap_out {
1543	my ($self) = @_;	2287	my ($self) = @_;
1544		2288
1545	# save first because save cedes
1546	$self->save;
1547
1548	my $lock = cf::lock_acquire "map_data:" . $self->path;	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
1549		2290
		2291	return if $self->in_memory != cf::MAP_ACTIVE;
		2292	return if $self->{deny_save};
1550	return if $self->players;	2293	return if $self->players;
1551	return if $self->in_memory != cf::MAP_IN_MEMORY;
1552	return if $self->{deny_save};
1553		2294
		2295	# first deactivate the map and "unlink" it from the core
		2296	$self->deactivate;
		2297	$_->clear_links_to ($self) for values %cf::MAP;
		2298	$self->in_memory (cf::MAP_SWAPPED);
		2299
		2300	# then atomically save
		2301	$self->_save;
		2302
		2303	# then free the map
1554	$self->clear;	2304	$self->clear;
1555	$self->in_memory (cf::MAP_SWAPPED);
1556	}	2305	}
1557		2306
1558	sub reset_at {	2307	sub reset_at {
1559	my ($self) = @_;	2308	my ($self) = @_;
1560		2309
1561	# TODO: safety, remove and allow resettable per-player maps	2310	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->isa ("ext::map_per_player");#d#
1563	return 1e99 if $self->{deny_reset};	2311	return 1e99 if $self->{deny_reset};
1564		2312
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2313	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2314	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		2315
…		…
1578	my ($self) = @_;	2326	my ($self) = @_;
1579		2327
1580	my $lock = cf::lock_acquire "map_data:$self->{path}";	2328	my $lock = cf::lock_acquire "map_data:$self->{path}";
1581		2329
1582	return if $self->players;	2330	return if $self->players;
1583	return if $self->isa ("ext::map_per_player");#d#
1584		2331
1585	warn "resetting map ", $self->path;#d#	2332	cf::trace "resetting map ", $self->path, "\n";
		2333
		2334	$self->in_memory (cf::MAP_SWAPPED);
		2335
		2336	# need to save uniques path
		2337	unless ($self->{deny_save}) {
		2338	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2339
		2340	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2341	if $uniq;
		2342	}
1586		2343
1587	delete $cf::MAP{$self->path};	2344	delete $cf::MAP{$self->path};
1588		2345
1589	$self->in_memory (cf::MAP_SWAPPED);	2346	$self->deactivate;
		2347	$_->clear_links_to ($self) for values %cf::MAP;
1590	$self->clear;	2348	$self->clear;
1591
1592	$_->clear_links_to ($self) for values %cf::MAP;
1593		2349
1594	$self->unlink_save;	2350	$self->unlink_save;
1595	$self->destroy;	2351	$self->destroy;
1596	}	2352	}
1597		2353
1598	my $nuke_counter = "aaaa";	2354	my $nuke_counter = "aaaa";
1599		2355
1600	sub nuke {	2356	sub nuke {
1601	my ($self) = @_;	2357	my ($self) = @_;
1602		2358
		2359	{
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
1603	delete $cf::MAP{$self->path};	2362	delete $cf::MAP{$self->path};
1604		2363
1605	$self->unlink_save;	2364	$self->unlink_save;
1606		2365
1607	bless $self, "cf::map";	2366	bless $self, "cf::map::wrap";
1608	delete $self->{deny_reset};	2367	delete $self->{deny_reset};
1609	$self->{deny_save} = 1;	2368	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	2369	$self->reset_timeout (1);
1611	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2370	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1612		2371
1613	$cf::MAP{$self->path} = $self;	2372	$cf::MAP{$self->path} = $self;
		2373	}
1614		2374
1615	$self->reset; # polite request, might not happen	2375	$self->reset; # polite request, might not happen
		2376	}
		2377
		2378	=item $maps = cf::map::tmp_maps
		2379
		2380	Returns an arrayref with all map paths of currently instantiated and saved
		2381	maps. May block.
		2382
		2383	=cut
		2384
		2385	sub tmp_maps() {
		2386	[
		2387	map {
		2388	utf8::decode $_;
		2389	/\.map$/
		2390	? normalise $_
		2391	: ()
		2392	} @{ aio_readdir $TMPDIR or [] }
		2393	]
		2394	}
		2395
		2396	=item $maps = cf::map::random_maps
		2397
		2398	Returns an arrayref with all map paths of currently instantiated and saved
		2399	random maps. May block.
		2400
		2401	=cut
		2402
		2403	sub random_maps() {
		2404	[
		2405	map {
		2406	utf8::decode $_;
		2407	/\.map$/
		2408	? normalise "?random/$_"
		2409	: ()
		2410	} @{ aio_readdir $RANDOMDIR or [] }
		2411	]
1616	}	2412	}
1617		2413
1618	=item cf::map::unique_maps	2414	=item cf::map::unique_maps
1619		2415
1620	Returns an arrayref of paths of all shared maps that have	2416	Returns an arrayref of paths of all shared maps that have
1621	instantiated unique items. May block.	2417	instantiated unique items. May block.
1622		2418
1623	=cut	2419	=cut
1624		2420
1625	sub unique_maps() {	2421	sub unique_maps() {
1626	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2422	[
1627	or return;	2423	map {
1628
1629	my @paths;
1630
1631	for (@$files) {
1632	utf8::decode $_;	2424	utf8::decode $_;
1633	next if /\.pst$/;	2425	s/\.map$//; # TODO future compatibility hack
1634	next unless /^$PATH_SEP/o;	2426	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1635		2427	? ()
1636	push @paths, cf::map::normalise $_;	2428	: normalise $_
		2429	} @{ aio_readdir $UNIQUEDIR or [] }
1637	}	2430	]
1638
1639	\@paths
1640	}	2431	}
1641		2432
1642	package cf;	2433	=item cf::map::static_maps
		2434
		2435	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2436	file in the shared directory excluding F</styles> and F</editor>). May
		2437	block.
		2438
		2439	=cut
		2440
		2441	sub static_maps() {
		2442	my @dirs = "";
		2443	my @maps;
		2444
		2445	while (@dirs) {
		2446	my $dir = shift @dirs;
		2447
		2448	next if $dir eq "/styles" || $dir eq "/editor";
		2449
		2450	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2451	or return;
		2452
		2453	for (@$files) {
		2454	s/\.map$// or next;
		2455	utf8::decode $_;
		2456	push @maps, "$dir/$_";
		2457	}
		2458
		2459	push @dirs, map "$dir/$_", @$dirs;
		2460	}
		2461
		2462	\@maps
		2463	}
1643		2464
1644	=back	2465	=back
1645		2466
1646	=head3 cf::object	2467	=head3 cf::object
1647		2468
…		…
1651		2472
1652	=over 4	2473	=over 4
1653		2474
1654	=item $ob->inv_recursive	2475	=item $ob->inv_recursive
1655		2476
1656	Returns the inventory of the object _and_ their inventories, recursively.	2477	Returns the inventory of the object I<and> their inventories, recursively,
		2478	but I<not> the object itself.
1657		2479
1658	=cut	2480	=cut
1659		2481
1660	sub inv_recursive_;	2482	sub inv_recursive_;
1661	sub inv_recursive_ {	2483	sub inv_recursive_ {
…		…
1664		2486
1665	sub inv_recursive {	2487	sub inv_recursive {
1666	inv_recursive_ inv $_[0]	2488	inv_recursive_ inv $_[0]
1667	}	2489	}
1668		2490
		2491	=item $ref = $ob->ref
		2492
		2493	Creates and returns a persistent reference to an object that can be stored as a string.
		2494
		2495	=item $ob = cf::object::deref ($refstring)
		2496
		2497	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2498	even if the object actually exists. May block.
		2499
		2500	=cut
		2501
		2502	sub deref {
		2503	my ($ref) = @_;
		2504
		2505	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2506	my ($uuid, $name) = ($1, $2);
		2507	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2508	or return;
		2509	$pl->ob->uuid eq $uuid
		2510	or return;
		2511
		2512	$pl->ob
		2513	} else {
		2514	warn "$ref: cannot resolve object reference\n";
		2515	undef
		2516	}
		2517	}
		2518
1669	package cf;	2519	package cf;
1670		2520
1671	=back	2521	=back
1672		2522
1673	=head3 cf::object::player	2523	=head3 cf::object::player
…		…
1679	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2529	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1680	can be C<undef>. Does the right thing when the player is currently in a	2530	can be C<undef>. Does the right thing when the player is currently in a
1681	dialogue with the given NPC character.	2531	dialogue with the given NPC character.
1682		2532
1683	=cut	2533	=cut
		2534
		2535	our $SAY_CHANNEL = {
		2536	id => "say",
		2537	title => "Map",
		2538	reply => "say ",
		2539	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2540	};
		2541
		2542	our $CHAT_CHANNEL = {
		2543	id => "chat",
		2544	title => "Chat",
		2545	reply => "chat ",
		2546	tooltip => "Player chat and shouts, global to the server.",
		2547	};
1684		2548
1685	# rough implementation of a future "reply" method that works	2549	# rough implementation of a future "reply" method that works
1686	# with dialog boxes.	2550	# with dialog boxes.
1687	#TODO: the first argument must go, split into a $npc->reply_to ( method	2551	#TODO: the first argument must go, split into a $npc->reply_to ( method
1688	sub cf::object::player::reply($$$;$) {	2552	sub cf::object::player::reply($$$;$) {
…		…
1690		2554
1691	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2555	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1692		2556
1693	if ($self->{record_replies}) {	2557	if ($self->{record_replies}) {
1694	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2558	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2559
1695	} else {	2560	} else {
		2561	my $pl = $self->contr;
		2562
		2563	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2564	my $dialog = $pl->{npc_dialog};
		2565	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2566
		2567	} else {
1696	$msg = $npc->name . " says: $msg" if $npc;	2568	$msg = $npc->name . " says: $msg" if $npc;
1697	$self->message ($msg, $flags);	2569	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2570	}
1698	}	2571	}
		2572	}
		2573
		2574	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2575
		2576	=cut
		2577
		2578	sub cf::object::send_msg {
		2579	my $pl = shift->contr
		2580	or return;
		2581	$pl->send_msg (@_);
1699	}	2582	}
1700		2583
1701	=item $player_object->may ("access")	2584	=item $player_object->may ("access")
1702		2585
1703	Returns wether the given player is authorized to access resource "access"	2586	Returns wether the given player is authorized to access resource "access"
…		…
1716		2599
1717	=item $player_object->enter_link	2600	=item $player_object->enter_link
1718		2601
1719	Freezes the player and moves him/her to a special map (C<{link}>).	2602	Freezes the player and moves him/her to a special map (C<{link}>).
1720		2603
1721	The player should be reasonably safe there for short amounts of time. You	2604	The player should be reasonably safe there for short amounts of time (e.g.
1722	I<MUST> call C<leave_link> as soon as possible, though.	2605	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2606	though, as the player cannot control the character while it is on the link
		2607	map.
1723		2608
1724	Will never block.	2609	Will never block.
1725		2610
1726	=item $player_object->leave_link ($map, $x, $y)	2611	=item $player_object->leave_link ($map, $x, $y)
1727		2612
…		…
1747	sub cf::object::player::enter_link {	2632	sub cf::object::player::enter_link {
1748	my ($self) = @_;	2633	my ($self) = @_;
1749		2634
1750	$self->deactivate_recursive;	2635	$self->deactivate_recursive;
1751		2636
		2637	++$self->{_link_recursion};
		2638
1752	return if UNIVERSAL::isa $self->map, "ext::map_link";	2639	return if UNIVERSAL::isa $self->map, "ext::map_link";
1753		2640
1754	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2641	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1755	if $self->map;	2642	if $self->map && $self->map->{path} ne "{link}";
1756		2643
1757	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2644	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1758	}	2645	}
1759		2646
1760	sub cf::object::player::leave_link {	2647	sub cf::object::player::leave_link {
1761	my ($self, $map, $x, $y) = @_;	2648	my ($self, $map, $x, $y) = @_;
		2649
		2650	return unless $self->contr->active;
1762		2651
1763	my $link_pos = delete $self->{_link_pos};	2652	my $link_pos = delete $self->{_link_pos};
1764		2653
1765	unless ($map) {	2654	unless ($map) {
1766	# restore original map position	2655	# restore original map position
…		…
1777	($x, $y) = (-1, -1)	2666	($x, $y) = (-1, -1)
1778	unless (defined $x) && (defined $y);	2667	unless (defined $x) && (defined $y);
1779		2668
1780	# use -1 or undef as default coordinates, not 0, 0	2669	# use -1 or undef as default coordinates, not 0, 0
1781	($x, $y) = ($map->enter_x, $map->enter_y)	2670	($x, $y) = ($map->enter_x, $map->enter_y)
1782	if $x <=0 && $y <= 0;	2671	if $x <= 0 && $y <= 0;
1783		2672
1784	$map->load;	2673	$map->load;
1785	$map->load_diag;	2674	$map->load_neighbours;
1786		2675
1787	return unless $self->contr->active;	2676	return unless $self->contr->active;
		2677
		2678	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2679	if ($self->enter_map ($map, $x, $y)) {
		2680	# entering was successful
		2681	delete $self->{_link_recursion};
		2682	# only activate afterwards, to support waiting in hooks
1788	$self->activate_recursive;	2683	$self->activate_recursive;
1789	$self->enter_map ($map, $x, $y);
1790	}
1791
1792	cf::player->attach (
1793	on_logout => sub {
1794	my ($pl) = @_;
1795
1796	# abort map switching before logout
1797	if ($pl->ob->{_link_pos}) {
1798	cf::sync_job {
1799	$pl->ob->leave_link
1800	};
1801	}
1802	},	2684	}
1803	on_login => sub {
1804	my ($pl) = @_;
1805		2685
1806	# try to abort aborted map switching on player login :)	2686	}
1807	# should happen only on crashes
1808	if ($pl->ob->{_link_pos}) {
1809	$pl->ob->enter_link;
1810	(async {
1811	# we need this sleep as the login has a concurrent enter_exit running
1812	# and this sleep increases chances of the player not ending up in scorn
1813	$pl->ob->reply (undef,
1814	"There was an internal problem at your last logout, "
1815	. "the server will try to bring you to your intended destination in a second.",
1816	cf::NDI_RED);
1817	Coro::Timer::sleep 1;
1818	$pl->ob->leave_link;
1819	})->prio (2);
1820	}
1821	},
1822	);
1823		2687
1824	=item $player_object->goto ($path, $x, $y)	2688	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1825		2689
		2690	Moves the player to the given map-path and coordinates by first freezing
		2691	her, loading and preparing them map, calling the provided $check callback
		2692	that has to return the map if sucecssful, and then unfreezes the player on
		2693	the new (success) or old (failed) map position. In either case, $done will
		2694	be called at the end of this process.
		2695
		2696	Note that $check will be called with a potentially non-loaded map, so if
		2697	it needs a loaded map it has to call C<< ->load >>.
		2698
1826	=cut	2699	=cut
		2700
		2701	our $GOTOGEN;
1827		2702
1828	sub cf::object::player::goto {	2703	sub cf::object::player::goto {
1829	my ($self, $path, $x, $y) = @_;	2704	my ($self, $path, $x, $y, $check, $done) = @_;
		2705
		2706	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2707	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2708	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2709	($path, $x, $y) = @$EMERGENCY_POSITION;
		2710	}
		2711
		2712	# do generation counting so two concurrent goto's will be executed in-order
		2713	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1830		2714
1831	$self->enter_link;	2715	$self->enter_link;
1832		2716
1833	(async {	2717	(async {
		2718	$Coro::current->{desc} = "player::goto $path $x $y";
		2719
		2720	# *tag paths override both path and x|y
		2721	if ($path =~ /^\*(.*)$/) {
		2722	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2723	my $ob = $obs[rand @obs];
		2724
		2725	# see if we actually can go there
		2726	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2727	$ob = $obs[rand @obs];
		2728	} else {
		2729	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2730	}
		2731	# else put us there anyways for now #d#
		2732
		2733	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2734	} else {
		2735	($path, $x, $y) = (undef, undef, undef);
		2736	}
		2737	}
		2738
1834	my $map = eval {	2739	my $map = eval {
1835	my $map = cf::map::find $path;	2740	my $map = defined $path ? cf::map::find $path : undef;
		2741
		2742	if ($map) {
1836	$map = $map->customise_for ($self) if $map;	2743	$map = $map->customise_for ($self);
		2744	$map = $check->($map, $x, $y, $self) if $check && $map;
		2745	} else {
		2746	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2747	}
		2748
1837	$map	2749	$map
		2750	};
		2751
		2752	if ($@) {
		2753	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2754	LOG llevError | logBacktrace, Carp::longmess $@;
1838	} or	2755	}
1839	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1840		2756
		2757	if ($gen == $self->{_goto_generation}) {
		2758	delete $self->{_goto_generation};
1841	$self->leave_link ($map, $x, $y);	2759	$self->leave_link ($map, $x, $y);
		2760	}
		2761
		2762	$done->($self) if $done;
1842	})->prio (1);	2763	})->prio (1);
1843	}	2764	}
1844		2765
1845	=item $player_object->enter_exit ($exit_object)	2766	=item $player_object->enter_exit ($exit_object)
1846		2767
…		…
1866	}	2787	}
1867		2788
1868	sub prepare_random_map {	2789	sub prepare_random_map {
1869	my ($exit) = @_;	2790	my ($exit) = @_;
1870		2791
1871	my $guard = cf::lock_acquire "exit_prepare:$exit";
1872
1873	# all this does is basically replace the /! path by	2792	# all this does is basically replace the /! path by
1874	# a new random map path (?random/...) with a seed	2793	# a new random map path (?random/...) with a seed
1875	# that depends on the exit object	2794	# that depends on the exit object
1876		2795
1877	my $rmp = parse_random_map_params $exit->msg;	2796	my $rmp = parse_random_map_params $exit->msg;
…		…
1879	if ($exit->map) {	2798	if ($exit->map) {
1880	$rmp->{region} = $exit->region->name;	2799	$rmp->{region} = $exit->region->name;
1881	$rmp->{origin_map} = $exit->map->path;	2800	$rmp->{origin_map} = $exit->map->path;
1882	$rmp->{origin_x} = $exit->x;	2801	$rmp->{origin_x} = $exit->x;
1883	$rmp->{origin_y} = $exit->y;	2802	$rmp->{origin_y} = $exit->y;
		2803
		2804	$exit->map->touch;
1884	}	2805	}
1885		2806
1886	$rmp->{random_seed} ||= $exit->random_seed;	2807	$rmp->{random_seed} ||= $exit->random_seed;
1887		2808
1888	my $data = cf::to_json $rmp;	2809	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1889	my $md5 = Digest::MD5::md5_hex $data;	2810	my $md5 = Digest::MD5::md5_hex $data;
1890	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2811	my $meta = "$RANDOMDIR/$md5.meta";
1891		2812
1892	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2813	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1893	aio_write $fh, 0, (length $data), $data, 0;	2814	aio_write $fh, 0, (length $data), $data, 0;
1894	undef $fh;	2815	undef $fh;
1895	aio_rename "$meta~", $meta;	2816	aio_rename "$meta~", $meta;
1896		2817
		2818	my $slaying = "?random/$md5";
		2819
		2820	if ($exit->valid) {
1897	$exit->slaying ("?random/$md5");	2821	$exit->slaying ("?random/$md5");
1898	$exit->msg (undef);	2822	$exit->msg (undef);
		2823	}
1899	}	2824	}
1900	}	2825	}
1901		2826
1902	sub cf::object::player::enter_exit {	2827	sub cf::object::player::enter_exit {
1903	my ($self, $exit) = @_;	2828	my ($self, $exit) = @_;
1904		2829
1905	return unless $self->type == cf::PLAYER;	2830	return unless $self->type == cf::PLAYER;
1906		2831
1907	if ($exit->slaying eq "/!") {
1908	#TODO: this should de-fi-ni-te-ly not be a sync-job
1909	cf::sync_job { prepare_random_map $exit };
1910	}
1911
1912	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1913	my $hp = $exit->stats->hp;
1914	my $sp = $exit->stats->sp;
1915
1916	$self->enter_link;	2832	$self->enter_link;
1917		2833
1918	(async {	2834	(async {
1919	$self->deactivate_recursive; # just to be sure	2835	$Coro::current->{desc} = "enter_exit";
		2836
1920	unless (eval {	2837	unless (eval {
		2838	$self->deactivate_recursive; # just to be sure
		2839
		2840	# random map handling
		2841	{
		2842	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2843
		2844	prepare_random_map $exit
		2845	if $exit->slaying eq "/!";
		2846	}
		2847
		2848	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2849	my $x = $exit->stats->hp;
		2850	my $y = $exit->stats->sp;
		2851
1921	$self->goto ($slaying, $hp, $sp);	2852	$self->goto ($map, $x, $y);
1922		2853
		2854	# if exit is damned, update players death & WoR home-position
		2855	$self->contr->savebed ($map, $x, $y)
		2856	if $exit->flag (cf::FLAG_DAMNED);
		2857
1923	1;	2858	1
1924	}) {	2859	}) {
1925	$self->message ("Something went wrong deep within the crossfire server. "	2860	$self->message ("Something went wrong deep within the deliantra server. "
1926	. "I'll try to bring you back to the map you were before. "	2861	. "I'll try to bring you back to the map you were before. "
1927	. "Please report this to the dungeon master!",	2862	. "Please report this to the dungeon master!",
1928	cf::NDI_UNIQUE | cf::NDI_RED);	2863	cf::NDI_UNIQUE | cf::NDI_RED);
1929		2864
1930	warn "ERROR in enter_exit: $@";	2865	error "ERROR in enter_exit: $@";
1931	$self->leave_link;	2866	$self->leave_link;
1932	}	2867	}
1933	})->prio (1);	2868	})->prio (1);
1934	}	2869	}
1935		2870
…		…
1946		2881
1947	sub cf::client::send_drawinfo {	2882	sub cf::client::send_drawinfo {
1948	my ($self, $text, $flags) = @_;	2883	my ($self, $text, $flags) = @_;
1949		2884
1950	utf8::encode $text;	2885	utf8::encode $text;
1951	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2886	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1952	}	2887	}
1953		2888
		2889	=item $client->send_big_packet ($pkt)
		2890
		2891	Like C<send_packet>, but tries to compress large packets, and fragments
		2892	them as required.
		2893
		2894	=cut
		2895
		2896	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2897
		2898	sub cf::client::send_big_packet {
		2899	my ($self, $pkt) = @_;
		2900
		2901	# try lzf for large packets
		2902	$pkt = "lzf " . Compress::LZF::compress $pkt
		2903	if 1024 <= length $pkt and $self->{can_lzf};
		2904
		2905	# split very large packets
		2906	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2907	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2908	$pkt = "frag";
		2909	}
		2910
		2911	$self->send_packet ($pkt);
		2912	}
		2913
		2914	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2915
		2916	Send a drawinfo or msg packet to the client, formatting the msg for the
		2917	client if neccessary. C<$type> should be a string identifying the type of
		2918	the message, with C<log> being the default. If C<$color> is negative, suppress
		2919	the message unless the client supports the msg packet.
		2920
		2921	=cut
		2922
		2923	# non-persistent channels (usually the info channel)
		2924	our %CHANNEL = (
		2925	"c/motd" => {
		2926	id => "infobox",
		2927	title => "MOTD",
		2928	reply => undef,
		2929	tooltip => "The message of the day",
		2930	},
		2931	"c/identify" => {
		2932	id => "infobox",
		2933	title => "Identify",
		2934	reply => undef,
		2935	tooltip => "Items recently identified",
		2936	},
		2937	"c/examine" => {
		2938	id => "infobox",
		2939	title => "Examine",
		2940	reply => undef,
		2941	tooltip => "Signs and other items you examined",
		2942	},
		2943	"c/shopinfo" => {
		2944	id => "infobox",
		2945	title => "Shop Info",
		2946	reply => undef,
		2947	tooltip => "What your bargaining skill tells you about the shop",
		2948	},
		2949	"c/book" => {
		2950	id => "infobox",
		2951	title => "Book",
		2952	reply => undef,
		2953	tooltip => "The contents of a note or book",
		2954	},
		2955	"c/lookat" => {
		2956	id => "infobox",
		2957	title => "Look",
		2958	reply => undef,
		2959	tooltip => "What you saw there",
		2960	},
		2961	"c/who" => {
		2962	id => "infobox",
		2963	title => "Players",
		2964	reply => undef,
		2965	tooltip => "Shows players who are currently online",
		2966	},
		2967	"c/body" => {
		2968	id => "infobox",
		2969	title => "Body Parts",
		2970	reply => undef,
		2971	tooltip => "Shows which body parts you posess and are available",
		2972	},
		2973	"c/statistics" => {
		2974	id => "infobox",
		2975	title => "Statistics",
		2976	reply => undef,
		2977	tooltip => "Shows your primary statistics",
		2978	},
		2979	"c/skills" => {
		2980	id => "infobox",
		2981	title => "Skills",
		2982	reply => undef,
		2983	tooltip => "Shows your experience per skill and item power",
		2984	},
		2985	"c/shopitems" => {
		2986	id => "infobox",
		2987	title => "Shop Items",
		2988	reply => undef,
		2989	tooltip => "Shows the items currently for sale in this shop",
		2990	},
		2991	"c/resistances" => {
		2992	id => "infobox",
		2993	title => "Resistances",
		2994	reply => undef,
		2995	tooltip => "Shows your resistances",
		2996	},
		2997	"c/pets" => {
		2998	id => "infobox",
		2999	title => "Pets",
		3000	reply => undef,
		3001	tooltip => "Shows information abotu your pets/a specific pet",
		3002	},
		3003	"c/perceiveself" => {
		3004	id => "infobox",
		3005	title => "Perceive Self",
		3006	reply => undef,
		3007	tooltip => "You gained detailed knowledge about yourself",
		3008	},
		3009	"c/uptime" => {
		3010	id => "infobox",
		3011	title => "Uptime",
		3012	reply => undef,
		3013	tooltip => "How long the server has been running since last restart",
		3014	},
		3015	"c/mapinfo" => {
		3016	id => "infobox",
		3017	title => "Map Info",
		3018	reply => undef,
		3019	tooltip => "Information related to the maps",
		3020	},
		3021	"c/party" => {
		3022	id => "party",
		3023	title => "Party",
		3024	reply => "gsay ",
		3025	tooltip => "Messages and chat related to your party",
		3026	},
		3027	"c/death" => {
		3028	id => "death",
		3029	title => "Death",
		3030	reply => undef,
		3031	tooltip => "Reason for and more info about your most recent death",
		3032	},
		3033	"c/say" => $SAY_CHANNEL,
		3034	"c/chat" => $CHAT_CHANNEL,
		3035	);
		3036
		3037	sub cf::client::send_msg {
		3038	my ($self, $channel, $msg, $color, @extra) = @_;
		3039
		3040	$msg = $self->pl->expand_cfpod ($msg)
		3041	unless $color & cf::NDI_VERBATIM;
		3042
		3043	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3044
		3045	# check predefined channels, for the benefit of C
		3046	if ($CHANNEL{$channel}) {
		3047	$channel = $CHANNEL{$channel};
		3048
		3049	$self->ext_msg (channel_info => $channel);
		3050	$channel = $channel->{id};
		3051
		3052	} elsif (ref $channel) {
		3053	# send meta info to client, if not yet sent
		3054	unless (exists $self->{channel}{$channel->{id}}) {
		3055	$self->{channel}{$channel->{id}} = $channel;
		3056	$self->ext_msg (channel_info => $channel);
		3057	}
		3058
		3059	$channel = $channel->{id};
		3060	}
		3061
		3062	return unless @extra || length $msg;
		3063
		3064	# default colour, mask it out
		3065	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3066	if $color & cf::NDI_DEF;
		3067
		3068	my $pkt = "msg "
		3069	. $self->{json_coder}->encode (
		3070	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3071	);
		3072
		3073	$self->send_big_packet ($pkt);
		3074	}
		3075
		3076	=item $client->ext_msg ($type, @msg)
		3077
		3078	Sends an ext event to the client.
		3079
		3080	=cut
		3081
		3082	sub cf::client::ext_msg($$@) {
		3083	my ($self, $type, @msg) = @_;
		3084
		3085	if ($self->extcmd == 2) {
		3086	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3087	} elsif ($self->extcmd == 1) { # TODO: remove
		3088	push @msg, msgtype => "event_$type";
		3089	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3090	}
		3091	}
		3092
		3093	=item $client->ext_reply ($msgid, @msg)
		3094
		3095	Sends an ext reply to the client.
		3096
		3097	=cut
		3098
		3099	sub cf::client::ext_reply($$@) {
		3100	my ($self, $id, @msg) = @_;
		3101
		3102	if ($self->extcmd == 2) {
		3103	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3104	} elsif ($self->extcmd == 1) {
		3105	#TODO: version 1, remove
		3106	unshift @msg, msgtype => "reply", msgid => $id;
		3107	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3108	}
		3109	}
1954		3110
1955	=item $success = $client->query ($flags, "text", \&cb)	3111	=item $success = $client->query ($flags, "text", \&cb)
1956		3112
1957	Queues a query to the client, calling the given callback with	3113	Queues a query to the client, calling the given callback with
1958	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3114	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1959	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3115	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1960		3116
1961	Queries can fail, so check the return code. Or don't, as queries will become	3117	Queries can fail, so check the return code. Or don't, as queries will
1962	reliable at some point in the future.	3118	become reliable at some point in the future.
1963		3119
1964	=cut	3120	=cut
1965		3121
1966	sub cf::client::query {	3122	sub cf::client::query {
1967	my ($self, $flags, $text, $cb) = @_;	3123	my ($self, $flags, $text, $cb) = @_;
…		…
1975	utf8::encode $text;	3131	utf8::encode $text;
1976	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3132	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1977		3133
1978	$self->send_packet ($self->{query_queue}[0][0])	3134	$self->send_packet ($self->{query_queue}[0][0])
1979	if @{ $self->{query_queue} } == 1;	3135	if @{ $self->{query_queue} } == 1;
		3136
		3137	1
1980	}	3138	}
1981		3139
1982	cf::client->attach (	3140	cf::client->attach (
		3141	on_connect => sub {
		3142	my ($ns) = @_;
		3143
		3144	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3145	},
1983	on_reply => sub {	3146	on_reply => sub {
1984	my ($ns, $msg) = @_;	3147	my ($ns, $msg) = @_;
1985		3148
1986	# this weird shuffling is so that direct followup queries	3149	# this weird shuffling is so that direct followup queries
1987	# get handled first	3150	# get handled first
1988	my $queue = delete $ns->{query_queue}	3151	my $queue = delete $ns->{query_queue}
1989	or return; # be conservative, not sure how that can happen, but we saw a crash here	3152	or return; # be conservative, not sure how that can happen, but we saw a crash here
1990		3153
1991	(shift @$queue)->[1]->($msg);	3154	(shift @$queue)->[1]->($msg);
		3155	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1992		3156
1993	push @{ $ns->{query_queue} }, @$queue;	3157	push @{ $ns->{query_queue} }, @$queue;
1994		3158
1995	if (@{ $ns->{query_queue} } == @$queue) {	3159	if (@{ $ns->{query_queue} } == @$queue) {
1996	if (@$queue) {	3160	if (@$queue) {
…		…
1998	} else {	3162	} else {
1999	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2000	}	3164	}
2001	}	3165	}
2002	},	3166	},
		3167	on_exticmd => sub {
		3168	my ($ns, $buf) = @_;
		3169
		3170	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3171
		3172	if (ref $msg) {
		3173	my ($type, $reply, @payload) =
		3174	"ARRAY" eq ref $msg
		3175	? @$msg
		3176	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3177
		3178	my @reply;
		3179
		3180	if (my $cb = $EXTICMD{$type}) {
		3181	@reply = $cb->($ns, @payload);
		3182	}
		3183
		3184	$ns->ext_reply ($reply, @reply)
		3185	if $reply;
		3186
		3187	} else {
		3188	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3189	}
		3190
		3191	cf::override;
		3192	},
2003	);	3193	);
2004		3194
2005	=item $client->async (\&cb)	3195	=item $client->async (\&cb)
2006		3196
2007	Create a new coroutine, running the specified callback. The coroutine will	3197	Create a new coroutine, running the specified callback. The coroutine will
…		…
2023		3213
2024	$coro	3214	$coro
2025	}	3215	}
2026		3216
2027	cf::client->attach (	3217	cf::client->attach (
2028	on_destroy => sub {	3218	on_client_destroy => sub {
2029	my ($ns) = @_;	3219	my ($ns) = @_;
2030		3220
2031	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3221	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2032	},	3222	},
2033	);	3223	);
…		…
2048	our $safe = new Safe "safe";	3238	our $safe = new Safe "safe";
2049	our $safe_hole = new Safe::Hole;	3239	our $safe_hole = new Safe::Hole;
2050		3240
2051	$SIG{FPE} = 'IGNORE';	3241	$SIG{FPE} = 'IGNORE';
2052		3242
2053	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3243	$safe->permit_only (Opcode::opset qw(
		3244	:base_core :base_mem :base_orig :base_math :base_loop
		3245	grepstart grepwhile mapstart mapwhile
		3246	sort time
		3247	));
2054		3248
2055	# here we export the classes and methods available to script code	3249	# here we export the classes and methods available to script code
2056		3250
2057	=pod	3251	=pod
2058		3252
2059	The following fucntions and emthods are available within a safe environment:	3253	The following functions and methods are available within a safe environment:
2060		3254
2061	cf::object contr pay_amount pay_player map	3255	cf::object
		3256	contr pay_amount pay_player map x y force_find force_add destroy
		3257	insert remove name archname title slaying race decrease split
		3258	value
		3259
2062	cf::object::player player	3260	cf::object::player
2063	cf::player peaceful	3261	player
2064	cf::map trigger	3262
		3263	cf::player
		3264	peaceful
		3265
		3266	cf::map
		3267	trigger
2065		3268
2066	=cut	3269	=cut
2067		3270
2068	for (	3271	for (
2069	["cf::object" => qw(contr pay_amount pay_player map)],	3272	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3273	insert remove inv nrof name archname title slaying race
		3274	decrease split destroy change_exp value msg lore send_msg)],
2070	["cf::object::player" => qw(player)],	3275	["cf::object::player" => qw(player)],
2071	["cf::player" => qw(peaceful)],	3276	["cf::player" => qw(peaceful send_msg)],
2072	["cf::map" => qw(trigger)],	3277	["cf::map" => qw(trigger)],
2073	) {	3278	) {
2074	no strict 'refs';	3279	no strict 'refs';
2075	my ($pkg, @funs) = @$_;	3280	my ($pkg, @funs) = @$_;
2076	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3281	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2094		3299
2095	my $qcode = $code;	3300	my $qcode = $code;
2096	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3301	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2097	$qcode =~ s/\n/\\n/g;	3302	$qcode =~ s/\n/\\n/g;
2098		3303
		3304	%vars = (_dummy => 0) unless %vars;
		3305
		3306	my @res;
2099	local $_;	3307	local $_;
2100	local @safe::cf::_safe_eval_args = values %vars;
2101		3308
2102	my $eval =	3309	my $eval =
2103	"do {\n"	3310	"do {\n"
2104	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3311	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2105	. "#line 0 \"{$qcode}\"\n"	3312	. "#line 0 \"{$qcode}\"\n"
2106	. $code	3313	. $code
2107	. "\n}"	3314	. "\n}"
2108	;	3315	;
2109		3316
		3317	if ($CFG{safe_eval}) {
2110	sub_generation_inc;	3318	sub_generation_inc;
		3319	local @safe::cf::_safe_eval_args = values %vars;
2111	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3320	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2112	sub_generation_inc;	3321	sub_generation_inc;
		3322	} else {
		3323	local @cf::_safe_eval_args = values %vars;
		3324	@res = wantarray ? eval eval : scalar eval $eval;
		3325	}
2113		3326
2114	if ($@) {	3327	if ($@) {
2115	warn "$@";	3328	warn "$@",
2116	warn "while executing safe code '$code'\n";	3329	"while executing safe code '$code'\n",
2117	warn "with arguments " . (join " ", %vars) . "\n";	3330	"with arguments " . (join " ", %vars) . "\n";
2118	}	3331	}
2119		3332
2120	wantarray ? @res : $res[0]	3333	wantarray ? @res : $res[0]
2121	}	3334	}
2122		3335
…		…
2136	=cut	3349	=cut
2137		3350
2138	sub register_script_function {	3351	sub register_script_function {
2139	my ($fun, $cb) = @_;	3352	my ($fun, $cb) = @_;
2140		3353
2141	no strict 'refs';	3354	$fun = "safe::$fun" if $CFG{safe_eval};
2142	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3355	*$fun = $safe_hole->wrap ($cb);
2143	}	3356	}
2144		3357
2145	=back	3358	=back
2146		3359
2147	=cut	3360	=cut
2148		3361
2149	#############################################################################	3362	#############################################################################
		3363	# the server's init and main functions
2150		3364
2151	=head2 EXTENSION DATABASE SUPPORT	3365	sub load_facedata($) {
		3366	my ($path) = @_;
2152		3367
2153	Crossfire maintains a very simple database for extension use. It can	3368	# HACK to clear player env face cache, we need some signal framework
2154	currently store anything that can be serialised using Storable, which	3369	# for this (global event?)
2155	excludes objects.	3370	%ext::player_env::MUSIC_FACE_CACHE = ();
2156		3371
2157	The parameter C<$family> should best start with the name of the extension	3372	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2158	using it, it should be unique.
2159		3373
2160	=over 4	3374	trace "loading facedata from $path\n";
2161		3375
2162	=item $hashref = cf::db_get $family	3376	my $facedata;
		3377	0 < aio_load $path, $facedata
		3378	or die "$path: $!";
2163		3379
2164	Return a hashref for use by the extension C<$family>, which can be	3380	$facedata = Coro::Storable::thaw $facedata;
2165	modified. After modifications, you have to call C<cf::db_dirty> or
2166	C<cf::db_sync>.
2167		3381
2168	=item $value = cf::db_get $family => $key	3382	$facedata->{version} == 2
		3383	or cf::cleanup "$path: version mismatch, cannot proceed.";
2169		3384
2170	Returns a single value from the database	3385	# patch in the exptable
2171		3386	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2172	=item cf::db_put $family => $hashref	3387	$facedata->{resource}{"res/exp_table"} = {
2173		3388	type => FT_RSRC,
2174	Stores the given family hashref into the database. Updates are delayed, if	3389	data => $exp_table,
2175	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3390	hash => (Digest::MD5::md5 $exp_table),
2176
2177	=item cf::db_put $family => $key => $value
2178
2179	Stores the given C<$value> in the family hash. Updates are delayed, if you
2180	want the data to be synced to disk immediately, use C<cf::db_sync>.
2181
2182	=item cf::db_dirty
2183
2184	Marks the database as dirty, to be updated at a later time.
2185
2186	=item cf::db_sync
2187
2188	Immediately write the database to disk I<if it is dirty>.
2189
2190	=cut
2191
2192	our $DB;
2193
2194	{
2195	my $path = cf::localdir . "/database.pst";
2196
2197	sub db_load() {
2198	$DB = stat $path ? Storable::retrieve $path : { };
2199	}	3391	};
		3392	cf::cede_to_tick;
2200		3393
2201	my $pid;
2202
2203	sub db_save() {
2204	waitpid $pid, 0 if $pid;
2205	if (0 == ($pid = fork)) {
2206	$DB->{_meta}{version} = 1;
2207	Storable::nstore $DB, "$path~";
2208	rename "$path~", $path;
2209	cf::_exit 0 if defined $pid;
2210	}
2211	}	3394	{
		3395	my $faces = $facedata->{faceinfo};
2212		3396
2213	my $dirty;	3397	while (my ($face, $info) = each %$faces) {
		3398	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2214		3399
2215	sub db_sync() {	3400	cf::face::set_visibility $idx, $info->{visibility};
2216	db_save if $dirty;	3401	cf::face::set_magicmap $idx, $info->{magicmap};
2217	undef $dirty;	3402	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2218	}	3403	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2219		3404
2220	my $idle = Event->idle (	3405	cf::cede_to_tick;
2221	reentrant => 0,
2222	min => 10,
2223	max => 20,
2224	repeat => 0,
2225	data => WF_AUTOCANCEL,
2226	cb => \&db_sync,
2227	);
2228
2229	sub db_dirty() {
2230	$dirty = 1;
2231	$idle->start;
2232	}
2233
2234	sub db_get($;$) {
2235	@_ >= 2
2236	? $DB->{$_[0]}{$_[1]}
2237	: ($DB->{$_[0]} ||= { })
2238	}
2239
2240	sub db_put($$;$) {
2241	if (@_ >= 3) {
2242	$DB->{$_[0]}{$_[1]} = $_[2];
2243	} else {
2244	$DB->{$_[0]} = $_[1];
2245	}
2246	db_dirty;
2247	}
2248
2249	cf::global->attach (
2250	prio => 10000,
2251	on_cleanup => sub {
2252	db_sync;
2253	},	3406	}
2254	);
2255	}
2256		3407
2257	#############################################################################	3408	while (my ($face, $info) = each %$faces) {
2258	# the server's main()	3409	next unless $info->{smooth};
2259		3410
2260	sub cfg_load {	3411	my $idx = cf::face::find $face
		3412	or next;
		3413
		3414	if (my $smooth = cf::face::find $info->{smooth}) {
		3415	cf::face::set_smooth $idx, $smooth;
		3416	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3417	} else {
		3418	error "smooth face '$info->{smooth}' not found for face '$face'";
		3419	}
		3420
		3421	cf::cede_to_tick;
		3422	}
		3423	}
		3424
		3425	{
		3426	my $anims = $facedata->{animinfo};
		3427
		3428	while (my ($anim, $info) = each %$anims) {
		3429	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3430	cf::cede_to_tick;
		3431	}
		3432
		3433	cf::anim::invalidate_all; # d'oh
		3434	}
		3435
		3436	{
		3437	my $res = $facedata->{resource};
		3438
		3439	while (my ($name, $info) = each %$res) {
		3440	if (defined $info->{type}) {
		3441	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3442
		3443	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3444	cf::face::set_type $idx, $info->{type};
		3445	} else {
		3446	$RESOURCE{$name} = $info; # unused
		3447	}
		3448
		3449	cf::cede_to_tick;
		3450	}
		3451	}
		3452
		3453	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3454
		3455	1
		3456	}
		3457
		3458	register_exticmd fx_want => sub {
		3459	my ($ns, $want) = @_;
		3460
		3461	while (my ($k, $v) = each %$want) {
		3462	$ns->fx_want ($k, $v);
		3463	}
		3464	};
		3465
		3466	sub load_resource_file($) {
		3467	my $guard = lock_acquire "load_resource_file";
		3468
		3469	my $status = load_resource_file_ $_[0];
		3470	get_slot 0.1, 100;
		3471	cf::arch::commit_load;
		3472
		3473	$status
		3474	}
		3475
		3476	sub reload_regions {
		3477	# HACK to clear player env face cache, we need some signal framework
		3478	# for this (global event?)
		3479	%ext::player_env::MUSIC_FACE_CACHE = ();
		3480
		3481	load_resource_file "$MAPDIR/regions"
		3482	or die "unable to load regions file\n";
		3483
		3484	for (cf::region::list) {
		3485	$_->{match} = qr/$_->{match}/
		3486	if exists $_->{match};
		3487	}
		3488	}
		3489
		3490	sub reload_facedata {
		3491	load_facedata "$DATADIR/facedata"
		3492	or die "unable to load facedata\n";
		3493	}
		3494
		3495	sub reload_archetypes {
		3496	load_resource_file "$DATADIR/archetypes"
		3497	or die "unable to load archetypes\n";
		3498	}
		3499
		3500	sub reload_treasures {
		3501	load_resource_file "$DATADIR/treasures"
		3502	or die "unable to load treasurelists\n";
		3503	}
		3504
		3505	sub reload_sound {
		3506	trace "loading sound config from $DATADIR/sound\n";
		3507
		3508	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3509	or die "$DATADIR/sound $!";
		3510
		3511	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3512
		3513	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3514	my $sound = $soundconf->{compat}[$_]
		3515	or next;
		3516
		3517	my $face = cf::face::find "sound/$sound->[1]";
		3518	cf::sound::set $sound->[0] => $face;
		3519	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3520	}
		3521
		3522	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3523	my $face = cf::face::find "sound/$v";
		3524	cf::sound::set $k => $face;
		3525	}
		3526	}
		3527
		3528	sub reload_resources {
		3529	trace "reloading resource files...\n";
		3530
		3531	reload_facedata;
		3532	reload_sound;
		3533	reload_archetypes;
		3534	reload_regions;
		3535	reload_treasures;
		3536
		3537	trace "finished reloading resource files\n";
		3538	}
		3539
		3540	sub reload_config {
		3541	trace "reloading config file...\n";
		3542
2261	open my $fh, "<:utf8", cf::confdir . "/config"	3543	open my $fh, "<:utf8", "$CONFDIR/config"
2262	or return;	3544	or return;
2263		3545
2264	local $/;	3546	local $/;
2265	*CFG = YAML::Syck::Load <$fh>;	3547	*CFG = YAML::XS::Load scalar <$fh>;
2266		3548
2267	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3549	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2268		3550
2269	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3551	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2270	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3552	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2271		3553
2272	if (exists $CFG{mlockall}) {	3554	if (exists $CFG{mlockall}) {
…		…
2274	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3556	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2275	and die "WARNING: m(un)lockall failed: $!\n";	3557	and die "WARNING: m(un)lockall failed: $!\n";
2276	};	3558	};
2277	warn $@ if $@;	3559	warn $@ if $@;
2278	}	3560	}
		3561
		3562	trace "finished reloading resource files\n";
		3563	}
		3564
		3565	sub pidfile() {
		3566	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3567	or die "$PIDFILE: $!";
		3568	flock $fh, &Fcntl::LOCK_EX
		3569	or die "$PIDFILE: flock: $!";
		3570	$fh
		3571	}
		3572
		3573	# make sure only one server instance is running at any one time
		3574	sub atomic {
		3575	my $fh = pidfile;
		3576
		3577	my $pid = <$fh>;
		3578	kill 9, $pid if $pid > 0;
		3579
		3580	seek $fh, 0, 0;
		3581	print $fh $$;
		3582	}
		3583
		3584	sub main_loop {
		3585	trace "EV::loop starting\n";
		3586	if (1) {
		3587	EV::loop;
		3588	}
		3589	trace "EV::loop returned\n";
		3590	goto &main_loop unless $REALLY_UNLOOP;
2279	}	3591	}
2280		3592
2281	sub main {	3593	sub main {
		3594	cf::init_globals; # initialise logging
		3595
		3596	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3597	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3598	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3599	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3600
		3601	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3602
2282	# we must not ever block the main coroutine	3603	# we must not ever block the main coroutine
2283	local $Coro::idle = sub {	3604	local $Coro::idle = sub {
2284	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3605	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2285	(async {	3606	(async {
2286	Event::one_event;	3607	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3608	EV::loop EV::LOOP_ONESHOT;
2287	})->prio (Coro::PRIO_MAX);	3609	})->prio (Coro::PRIO_MAX);
2288	};	3610	};
2289		3611
2290	cfg_load;	3612	evthread_start IO::AIO::poll_fileno;
2291	db_load;	3613
		3614	cf::sync_job {
		3615	cf::init_experience;
		3616	cf::init_anim;
		3617	cf::init_attackmess;
		3618	cf::init_dynamic;
		3619
		3620	cf::load_settings;
		3621	cf::load_materials;
		3622
		3623	reload_resources;
		3624	reload_config;
		3625	db_init;
		3626
		3627	cf::init_uuid;
		3628	cf::init_signals;
		3629	cf::init_skills;
		3630
		3631	cf::init_beforeplay;
		3632
		3633	atomic;
		3634
2292	load_extensions;	3635	load_extensions;
2293		3636
2294	$TICK_WATCHER->start;	3637	utime time, time, $RUNTIMEFILE;
2295	Event::loop;	3638
		3639	# no (long-running) fork's whatsoever before this point(!)
		3640	use POSIX ();
		3641	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3642
		3643	(pop @POST_INIT)->(0) while @POST_INIT;
		3644	};
		3645
		3646	cf::object::thawer::errors_are_fatal 0;
		3647	info "parse errors in files are no longer fatal from this point on.\n";
		3648
		3649	main_loop;
2296	}	3650	}
2297		3651
2298	#############################################################################	3652	#############################################################################
2299	# initialisation and cleanup	3653	# initialisation and cleanup
2300		3654
2301	# install some emergency cleanup handlers	3655	# install some emergency cleanup handlers
2302	BEGIN {	3656	BEGIN {
		3657	our %SIGWATCHER = ();
2303	for my $signal (qw(INT HUP TERM)) {	3658	for my $signal (qw(INT HUP TERM)) {
2304	Event->signal (	3659	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2305	reentrant => 0,
2306	data => WF_AUTOCANCEL,
2307	signal => $signal,
2308	prio => 0,
2309	cb => sub {
2310	cf::cleanup "SIG$signal";	3660	cf::cleanup "SIG$signal";
2311	},
2312	);	3661	};
		3662	}
		3663	}
		3664
		3665	sub write_runtime_sync {
		3666	my $t0 = AE::time;
		3667
		3668	# first touch the runtime file to show we are still running:
		3669	# the fsync below can take a very very long time.
		3670
		3671	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3672
		3673	my $guard = cf::lock_acquire "write_runtime";
		3674
		3675	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3676	or return;
		3677
		3678	my $value = $cf::RUNTIME + 90 + 10;
		3679	# 10 is the runtime save interval, for a monotonic clock
		3680	# 60 allows for the watchdog to kill the server.
		3681
		3682	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3683	and return;
		3684
		3685	# always fsync - this file is important
		3686	aio_fsync $fh
		3687	and return;
		3688
		3689	# touch it again to show we are up-to-date
		3690	aio_utime $fh, undef, undef;
		3691
		3692	close $fh
		3693	or return;
		3694
		3695	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3696	and return;
		3697
		3698	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3699
2313	}	3700	1
		3701	}
		3702
		3703	our $uuid_lock;
		3704	our $uuid_skip;
		3705
		3706	sub write_uuid_sync($) {
		3707	$uuid_skip ||= $_[0];
		3708
		3709	return if $uuid_lock;
		3710	local $uuid_lock = 1;
		3711
		3712	my $uuid = "$LOCALDIR/uuid";
		3713
		3714	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3715	or return;
		3716
		3717	my $value = uuid_seq uuid_cur;
		3718
		3719	unless ($value) {
		3720	info "cowardly refusing to write zero uuid value!\n";
		3721	return;
		3722	}
		3723
		3724	my $value = uuid_str $value + $uuid_skip;
		3725	$uuid_skip = 0;
		3726
		3727	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3728	and return;
		3729
		3730	# always fsync - this file is important
		3731	aio_fsync $fh
		3732	and return;
		3733
		3734	close $fh
		3735	or return;
		3736
		3737	aio_rename "$uuid~", $uuid
		3738	and return;
		3739
		3740	trace "uuid file written ($value).\n";
		3741
		3742	1
		3743
		3744	}
		3745
		3746	sub write_uuid($$) {
		3747	my ($skip, $sync) = @_;
		3748
		3749	$sync ? write_uuid_sync $skip
		3750	: async { write_uuid_sync $skip };
2314	}	3751	}
2315		3752
2316	sub emergency_save() {	3753	sub emergency_save() {
2317	my $freeze_guard = cf::freeze_mainloop;	3754	my $freeze_guard = cf::freeze_mainloop;
2318		3755
2319	warn "enter emergency perl save\n";	3756	info "emergency_perl_save: enter\n";
		3757
		3758	# this is a trade-off: we want to be very quick here, so
		3759	# save all maps without fsync, and later call a global sync
		3760	# (which in turn might be very very slow)
		3761	local $USE_FSYNC = 0;
2320		3762
2321	cf::sync_job {	3763	cf::sync_job {
		3764	cf::write_runtime_sync; # external watchdog should not bark
		3765
2322	# use a peculiar iteration method to avoid tripping on perl	3766	# use a peculiar iteration method to avoid tripping on perl
2323	# refcount bugs in for. also avoids problems with players	3767	# refcount bugs in for. also avoids problems with players
2324	# and maps saved/destroyed asynchronously.	3768	# and maps saved/destroyed asynchronously.
2325	warn "begin emergency player save\n";	3769	info "emergency_perl_save: begin player save\n";
2326	for my $login (keys %cf::PLAYER) {	3770	for my $login (keys %cf::PLAYER) {
2327	my $pl = $cf::PLAYER{$login} or next;	3771	my $pl = $cf::PLAYER{$login} or next;
2328	$pl->valid or next;	3772	$pl->valid or next;
		3773	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2329	$pl->save;	3774	$pl->save;
2330	}	3775	}
2331	warn "end emergency player save\n";	3776	info "emergency_perl_save: end player save\n";
2332		3777
2333	warn "begin emergency map save\n";	3778	cf::write_runtime_sync; # external watchdog should not bark
		3779
		3780	info "emergency_perl_save: begin map save\n";
2334	for my $path (keys %cf::MAP) {	3781	for my $path (keys %cf::MAP) {
2335	my $map = $cf::MAP{$path} or next;	3782	my $map = $cf::MAP{$path} or next;
2336	$map->valid or next;	3783	$map->valid or next;
2337	$map->save;	3784	$map->save;
2338	}	3785	}
2339	warn "end emergency map save\n";	3786	info "emergency_perl_save: end map save\n";
		3787
		3788	cf::write_runtime_sync; # external watchdog should not bark
		3789
		3790	info "emergency_perl_save: begin database checkpoint\n";
		3791	BDB::db_env_txn_checkpoint $DB_ENV;
		3792	info "emergency_perl_save: end database checkpoint\n";
		3793
		3794	info "emergency_perl_save: begin write uuid\n";
		3795	write_uuid_sync 1;
		3796	info "emergency_perl_save: end write uuid\n";
		3797
		3798	cf::write_runtime_sync; # external watchdog should not bark
		3799
		3800	trace "emergency_perl_save: syncing database to disk";
		3801	BDB::db_env_txn_checkpoint $DB_ENV;
		3802
		3803	info "emergency_perl_save: starting sync\n";
		3804	IO::AIO::aio_sync sub {
		3805	info "emergency_perl_save: finished sync\n";
		3806	};
		3807
		3808	cf::write_runtime_sync; # external watchdog should not bark
		3809
		3810	trace "emergency_perl_save: flushing outstanding aio requests";
		3811	while (IO::AIO::nreqs || BDB::nreqs) {
		3812	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3813	}
		3814
		3815	cf::write_runtime_sync; # external watchdog should not bark
2340	};	3816	};
2341		3817
2342	warn "leave emergency perl save\n";	3818	info "emergency_perl_save: leave\n";
2343	}	3819	}
2344		3820
		3821	sub post_cleanup {
		3822	my ($make_core) = @_;
		3823
		3824	IO::AIO::flush;
		3825
		3826	error Carp::longmess "post_cleanup backtrace"
		3827	if $make_core;
		3828
		3829	my $fh = pidfile;
		3830	unlink $PIDFILE if <$fh> == $$;
		3831	}
		3832
		3833	# a safer delete_package, copied from Symbol
		3834	sub clear_package($) {
		3835	my $pkg = shift;
		3836
		3837	# expand to full symbol table name if needed
		3838	unless ($pkg =~ /^main::.*::$/) {
		3839	$pkg = "main$pkg" if $pkg =~ /^::/;
		3840	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3841	$pkg .= '::' unless $pkg =~ /::$/;
		3842	}
		3843
		3844	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3845	my $stem_symtab = *{$stem}{HASH};
		3846
		3847	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3848	or return;
		3849
		3850	# clear all symbols
		3851	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3852	for my $name (keys %$leaf_symtab) {
		3853	_gv_clear *{"$pkg$name"};
		3854	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3855	}
		3856	}
		3857
2345	sub reload() {	3858	sub do_reload_perl() {
2346	# can/must only be called in main	3859	# can/must only be called in main
2347	if ($Coro::current != $Coro::main) {	3860	if (in_main) {
2348	warn "can only reload from main coroutine";	3861	error "can only reload from main coroutine";
2349	return;	3862	return;
2350	}	3863	}
2351		3864
		3865	return if $RELOAD++;
		3866
		3867	my $t1 = AE::time;
		3868
		3869	while ($RELOAD) {
2352	warn "reloading...";	3870	info "reloading...";
2353		3871
2354	warn "cancelling server ticker";	3872	trace "entering sync_job";
2355	$TICK_WATCHER->cancel;
2356		3873
		3874	cf::sync_job {
2357	cf::emergency_save;	3875	cf::emergency_save;
2358		3876
2359	eval {
2360	# if anything goes wrong in here, we should simply crash as we already saved
2361
2362	warn "syncing database to disk";
2363	cf::db_sync;
2364
2365	warn "cancelling all WF_AUTOCANCEL watchers";
2366	for (Event::all_watchers) {
2367	$_->cancel if $_->data & WF_AUTOCANCEL;
2368	}
2369
2370	warn "flushing outstanding aio requests";
2371	for (;;) {
2372	IO::AIO::flush;
2373	Coro::cede;
2374	last unless IO::AIO::nreqs;
2375	warn "iterate...";
2376	}
2377
2378	warn "cancelling all extension coros";	3877	trace "cancelling all extension coros";
2379	$_->cancel for values %EXT_CORO;	3878	$_->cancel for values %EXT_CORO;
2380	%EXT_CORO = ();	3879	%EXT_CORO = ();
2381		3880
2382	warn "removing commands";	3881	trace "removing commands";
2383	%COMMAND = ();	3882	%COMMAND = ();
2384		3883
2385	warn "removing ext commands";	3884	trace "removing ext/exti commands";
2386	%EXTCMD = ();	3885	%EXTCMD = ();
		3886	%EXTICMD = ();
2387		3887
2388	warn "unloading/nuking all extensions";	3888	trace "unloading/nuking all extensions";
2389	for my $pkg (@EXTS) {	3889	for my $pkg (@EXTS) {
2390	warn "... unloading $pkg";	3890	trace "... unloading $pkg";
2391		3891
2392	if (my $cb = $pkg->can ("unload")) {	3892	if (my $cb = $pkg->can ("unload")) {
2393	eval {	3893	eval {
2394	$cb->($pkg);	3894	$cb->($pkg);
2395	1	3895	1
2396	} or warn "$pkg unloaded, but with errors: $@";	3896	} or error "$pkg unloaded, but with errors: $@";
		3897	}
		3898
		3899	trace "... clearing $pkg";
		3900	clear_package $pkg;
2397	}	3901	}
2398		3902
2399	warn "... nuking $pkg";
2400	Symbol::delete_package $pkg;
2401	}
2402
2403	warn "unloading all perl modules loaded from $LIBDIR";	3903	trace "unloading all perl modules loaded from $LIBDIR";
2404	while (my ($k, $v) = each %INC) {	3904	while (my ($k, $v) = each %INC) {
2405	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3905	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2406		3906
2407	warn "... unloading $k";	3907	trace "... unloading $k";
2408	delete $INC{$k};	3908	delete $INC{$k};
2409		3909
2410	$k =~ s/\.pm$//;	3910	$k =~ s/\.pm$//;
2411	$k =~ s/\//::/g;	3911	$k =~ s/\//::/g;
2412		3912
2413	if (my $cb = $k->can ("unload_module")) {	3913	if (my $cb = $k->can ("unload_module")) {
2414	$cb->();	3914	$cb->();
		3915	}
		3916
		3917	clear_package $k;
2415	}	3918	}
2416		3919
2417	Symbol::delete_package $k;
2418	}
2419
2420	warn "getting rid of safe::, as good as possible";	3920	trace "getting rid of safe::, as good as possible";
2421	Symbol::delete_package "safe::$_"	3921	clear_package "safe::$_"
2422	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3922	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2423		3923
2424	warn "unloading cf.pm \"a bit\"";	3924	trace "unloading cf.pm \"a bit\"";
2425	delete $INC{"cf.pm"};	3925	delete $INC{"cf.pm"};
		3926	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2426		3927
2427	# don't, removes xs symbols, too,	3928	# don't, removes xs symbols, too,
2428	# and global variables created in xs	3929	# and global variables created in xs
2429	#Symbol::delete_package __PACKAGE__;	3930	#clear_package __PACKAGE__;
2430		3931
2431	warn "unload completed, starting to reload now";	3932	info "unload completed, starting to reload now";
2432		3933
2433	warn "reloading cf.pm";	3934	trace "reloading cf.pm";
2434	require cf;	3935	require cf;
2435	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3936	cf::_connect_to_perl_1;
2436		3937
2437	warn "loading config and database again";	3938	trace "loading config and database again";
2438	cf::cfg_load;	3939	cf::reload_config;
2439	cf::db_load;
2440		3940
2441	warn "loading extensions";	3941	trace "loading extensions";
2442	cf::load_extensions;	3942	cf::load_extensions;
2443		3943
		3944	if ($REATTACH_ON_RELOAD) {
2444	warn "reattaching attachments to objects/players";	3945	trace "reattaching attachments to objects/players";
2445	_global_reattach;	3946	_global_reattach; # objects, sockets
2446	warn "reattaching attachments to maps";	3947	trace "reattaching attachments to maps";
2447	reattach $_ for values %MAP;	3948	reattach $_ for values %MAP;
		3949	trace "reattaching attachments to players";
		3950	reattach $_ for values %PLAYER;
		3951	}
2448		3952
2449	warn "restarting server ticker";	3953	trace "running post_init jobs";
		3954	(pop @POST_INIT)->(1) while @POST_INIT;
2450		3955
2451	$TICK_WATCHER->start;	3956	trace "leaving sync_job";
		3957
		3958	1
		3959	} or do {
		3960	error $@;
		3961	cf::cleanup "error while reloading, exiting.";
		3962	};
		3963
		3964	info "reloaded";
		3965	--$RELOAD;
		3966	}
		3967
		3968	$t1 = AE::time - $t1;
		3969	info "reload completed in ${t1}s\n";
		3970	};
		3971
		3972	our $RELOAD_WATCHER; # used only during reload
		3973
		3974	sub reload_perl() {
		3975	# doing reload synchronously and two reloads happen back-to-back,
		3976	# coro crashes during coro_state_free->destroy here.
		3977
		3978	$RELOAD_WATCHER ||= cf::async {
		3979	Coro::AIO::aio_wait cache_extensions;
		3980
		3981	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3982	do_reload_perl;
		3983	undef $RELOAD_WATCHER;
		3984	};
2452	};	3985	};
2453		3986	}
2454	if ($@) {
2455	warn $@;
2456	warn "error while reloading, exiting.";
2457	exit 1;
2458	}
2459
2460	warn "reloaded";
2461	};
2462
2463	our $RELOAD_WATCHER; # used only during reload
2464		3987
2465	register_command "reload" => sub {	3988	register_command "reload" => sub {
2466	my ($who, $arg) = @_;	3989	my ($who, $arg) = @_;
2467		3990
2468	if ($who->flag (FLAG_WIZ)) {	3991	if ($who->flag (FLAG_WIZ)) {
2469	$who->message ("reloading server.");	3992	$who->message ("reloading server.");
2470		3993	async {
2471	# doing reload synchronously and two reloads happen back-to-back,	3994	$Coro::current->{desc} = "perl_reload";
2472	# coro crashes during coro_state_free->destroy here.
2473
2474	$RELOAD_WATCHER ||= Event->timer (
2475	reentrant => 0,
2476	after => 0,
2477	data => WF_AUTOCANCEL,
2478	cb => sub {
2479	reload;	3995	reload_perl;
2480	undef $RELOAD_WATCHER;
2481	},
2482	);	3996	};
2483	}	3997	}
2484	};	3998	};
2485		3999
2486	unshift @INC, $LIBDIR;	4000	unshift @INC, $LIBDIR;
2487		4001
2488	my $bug_warning = 0;	4002	my $bug_warning = 0;
2489		4003
2490	$TICK_WATCHER = Event->timer (	4004	our @WAIT_FOR_TICK;
2491	reentrant => 0,	4005	our @WAIT_FOR_TICK_BEGIN;
2492	parked => 1,	4006
2493	prio => 0,	4007	sub wait_for_tick {
2494	at => $NEXT_TICK || $TICK,	4008	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2495	data => WF_AUTOCANCEL,	4009
2496	cb => sub {	4010	my $signal = new Coro::Signal;
		4011	push @WAIT_FOR_TICK, $signal;
		4012	$signal->wait;
		4013	}
		4014
		4015	sub wait_for_tick_begin {
		4016	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4017
		4018	my $signal = new Coro::Signal;
		4019	push @WAIT_FOR_TICK_BEGIN, $signal;
		4020	$signal->wait;
		4021	}
		4022
		4023	sub tick {
2497	if ($Coro::current != $Coro::main) {	4024	if ($Coro::current != $Coro::main) {
2498	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4025	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2499	unless ++$bug_warning > 10;	4026	unless ++$bug_warning > 10;
2500	return;	4027	return;
2501	}	4028	}
2502		4029
2503	$NOW = Event::time;
2504
2505	cf::server_tick; # one server iteration	4030	cf::server_tick; # one server iteration
2506	$RUNTIME += $TICK;
2507	$NEXT_TICK += $TICK;
2508		4031
2509	$WAIT_FOR_TICK->broadcast;	4032	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2510	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2511		4033
2512	Event::sweep;	4034	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2513	Coro::cede_notself;	4035	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4036	Coro::async_pool {
		4037	$Coro::current->{desc} = "runtime saver";
		4038	write_runtime_sync
		4039	or error "ERROR: unable to write runtime file: $!";
		4040	};
		4041	}
		4042
		4043	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4044	$sig->send;
		4045	}
		4046	while (my $sig = shift @WAIT_FOR_TICK) {
		4047	$sig->send;
		4048	}
		4049
		4050	$LOAD = ($NOW - $TICK_START) / $TICK;
		4051	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4052
		4053	if (0) {
		4054	if ($NEXT_TICK) {
		4055	my $jitter = $TICK_START - $NEXT_TICK;
		4056	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4057	debug "jitter $JITTER\n";#d#
2514		4058	}
2515	# my $AFTER = Event::time;
2516	# warn $AFTER - $NOW;#d#
2517
2518	# if we are delayed by four ticks or more, skip them all
2519	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2520
2521	$TICK_WATCHER->at ($NEXT_TICK);
2522	$TICK_WATCHER->start;
2523	},	4059	}
2524	);	4060	}
2525		4061
		4062	{
		4063	# configure BDB
		4064
		4065	BDB::min_parallel 16;
		4066	BDB::max_poll_reqs $TICK * 0.1;
		4067	$AnyEvent::BDB::WATCHER->priority (1);
		4068
		4069	unless ($DB_ENV) {
		4070	$DB_ENV = BDB::db_env_create;
		4071	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4072	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4073	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4074	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4075	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4076
		4077	cf::sync_job {
		4078	eval {
		4079	BDB::db_env_open
		4080	$DB_ENV,
		4081	$BDBDIR,
		4082	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4083	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4084	0666;
		4085
		4086	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4087	};
		4088
		4089	cf::cleanup "db_env_open(db): $@" if $@;
		4090	};
		4091	}
		4092
		4093	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4094	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4095	};
		4096	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4097	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4098	};
		4099	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4100	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4101	};
		4102	}
		4103
		4104	{
		4105	# configure IO::AIO
		4106
		4107	IO::AIO::min_parallel 8;
2526	IO::AIO::max_poll_time $TICK * 0.1;	4108	IO::AIO::max_poll_time $TICK * 0.1;
		4109	undef $AnyEvent::AIO::WATCHER;
		4110	}
2527		4111
2528	undef $Coro::AIO::WATCHER;	4112	my $_log_backtrace;
2529	$AIO_POLL_WATCHER = Event->io (
2530	reentrant => 0,
2531	fd => IO::AIO::poll_fileno,
2532	poll => 'r',
2533	prio => 6,
2534	data => WF_AUTOCANCEL,
2535	cb => \&IO::AIO::poll_cb,
2536	);
2537		4113
2538	$WRITE_RUNTIME_WATCHER = Event->timer (	4114	sub _log_backtrace {
2539	reentrant => 0,	4115	my ($msg, @addr) = @_;
2540	data => WF_AUTOCANCEL,	4116
2541	after => 1,	4117	$msg =~ s/\n//;
2542	interval => 10,	4118
2543	prio => 6, # keep it lowest so it acts like a watchdog	4119	# limit the # of concurrent backtraces
2544	cb => Coro::unblock_sub {	4120	if ($_log_backtrace < 2) {
2545	write_runtime	4121	++$_log_backtrace;
2546	or warn "ERROR: unable to write runtime file: $!";	4122	my $perl_bt = Carp::longmess $msg;
		4123	async {
		4124	$Coro::current->{desc} = "abt $msg";
		4125
		4126	my @bt = fork_call {
		4127	@addr = map { sprintf "%x", $_ } @addr;
		4128	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4129	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4130	or die "addr2line: $!";
		4131
		4132	my @funcs;
		4133	my @res = <$fh>;
		4134	chomp for @res;
		4135	while (@res) {
		4136	my ($func, $line) = splice @res, 0, 2, ();
		4137	push @funcs, "[$func] $line";
		4138	}
		4139
		4140	@funcs
		4141	};
		4142
		4143	LOG llevInfo, "[ABT] $perl_bt\n";
		4144	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4145	LOG llevInfo, "[ABT] $_\n" for @bt;
		4146	--$_log_backtrace;
		4147	};
		4148	} else {
		4149	LOG llevInfo, "[ABT] $msg\n";
		4150	LOG llevInfo, "[ABT] [suppressed]\n";
2547	},	4151	}
2548	);	4152	}
		4153
		4154	# load additional modules
		4155	require "cf/$_.pm" for @EXTRA_MODULES;
		4156	cf::_connect_to_perl_2;
2549		4157
2550	END { cf::emergency_save }	4158	END { cf::emergency_save }
2551		4159
2552	1	4160	1
2553		4161

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