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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.206 by root, Sun Feb 11 22:27:05 2007 UTC vs.
Revision 1.533 by root, Thu Apr 29 07:59:17 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 ();
20	use BDB ();	56	use BDB ();
21	use Data::Dumper;	57	use Data::Dumper;
22	use Digest::MD5;
23	use Fcntl;	58	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
26	use Time::HiRes;	61	use Time::HiRes;
		62	use Compress::LZF;
		63	use Digest::MD5 ();
27		64
28	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" };
29		80
30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31
32	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
33	$YAML::Syck::ImplicitUnicode = 1;
34
35	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
36		82
37	our %COMMAND = ();	83	our %COMMAND = ();
38	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
39		85
40	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
41	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
42	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
43	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
44		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
45	our @EVENT;	93	our @EVENT;
46	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
47		96
48	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
49	our $TICK_WATCHER;	98	our $DATADIR = datadir;
50	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
51	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
52	our $NEXT_TICK;	121	our $NEXT_TICK;
53	our $NOW;
54	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
55		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
56	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
57	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
58		130
59	our %CFG;	131	our %CFG;
60		132
61	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
62	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
63		136
64	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
65	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
66	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
67	our $RANDOM_MAPS = cf::localdir . "/random";
68	our $BDB_ENV_DIR = cf::localdir . "/db";
69
70	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
71	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
72		140
73	# 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 ∕
74	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
75		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 $REALLY_UNLOOP; # never set to true, please :)
		153
76	binmode STDOUT;	154	binmode STDOUT;
77	binmode STDERR;	155	binmode STDERR;
78		156
79	# read virtual server time, if available	157	# read virtual server time, if available
80	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
81	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
82	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
83	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
84	}	162	}
85		163
86	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
87	mkdir cf::localdir . "/" . cf::playerdir;	165
88	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
89	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
90	mkdir $RANDOM_MAPS;
91	mkdir $BDB_ENV_DIR;
92		168
93	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
94		170
95	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::"} };
96		187
97	#############################################################################	188	#############################################################################
98		189
99	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
100		191
…		…
107	=item $cf::RUNTIME	198	=item $cf::RUNTIME
108		199
109	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
110	every server tick.	201	every server tick.
111		202
112	=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
113		206
114	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
115	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.
116		211
117	=item $cf::NOW	212	=item $cf::NOW
118		213
119	The time of the last (current) server tick.	214	The time of the last (current) server tick.
120		215
121	=item $cf::TICK	216	=item $cf::TICK
122		217
123	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
124		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
125	=item %cf::CFG	230	=item %cf::CFG
126		231
127	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
128	from wherever your confdir points to.	233	from wherever your confdir points to.
129		234
130	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
131		236
132	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
133	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
134	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.
135	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.
136		252
137	=back	253	=back
138		254
139	=cut	255	=cut
140		256
141	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
142	*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 {
143	my $msg = join "", @_;	264	my $msg = join "", @_;
144	utf8::encode $msg;
145		265
146	$msg .= "\n"	266	$msg .= "\n"
147	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
148		268
		269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		270
149	LOG llevError, $msg;	271	LOG llevWarn, $msg;
150	};	272	};
151	}	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	};
152		287
153	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
154	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
155	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
156	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
157	@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';
158	@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)
159		295
160	# 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
161	# within the Safe compartment.	297	# within the Safe compartment.
162	for my $pkg (qw(	298	for my $pkg (qw(
163	cf::global cf::attachable	299	cf::global cf::attachable
164	cf::object cf::object::player	300	cf::object cf::object::player
165	cf::client cf::player	301	cf::client cf::player
166	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
167	cf::map cf::party cf::region	304	cf::party cf::region
168	)) {	305	)) {
169	no strict 'refs';
170	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
171	}	307	}
172		308
173	$Event::DIED = sub {	309	$EV::DIED = sub {
174	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
175	};	311	};
		312
		313	#############################################################################
176		314
177	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
178		316
179	=over 4	317	=over 4
180		318
…		…
199	$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;
200	$d	338	$d
201	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
202	}	340	}
203		341
204	use JSON::Syck (); # TODO# replace by JSON::PC once working
205
206	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
207		343
208	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
209		345
210	=cut
211
212	sub from_json($) {
213	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
214	JSON::Syck::Load $_[0]
215	}
216
217	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
218		347
219	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
220		349
221	=cut	350	=cut
222		351
223	sub to_json($) {	352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
224	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	353
225	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;
226	}	369	}
227		370
228	=item cf::lock_wait $string	371	=item cf::lock_wait $string
229		372
230	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
231		374
232	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
233		376
234	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
235	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,
236	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
237	returned.	380	returned.
238		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
239	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
240	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
241		387
242	=cut	388	=item $locked = cf::lock_active $string
243		389
244	our %LOCK;	390	Return true if the lock is currently active, i.e. somebody has locked it.
		391
		392	=cut
		393
		394	our $LOCKS = new Coro::SemaphoreSet;
245		395
246	sub lock_wait($) {	396	sub lock_wait($) {
247	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
248
249	# wait for lock, if any
250	while ($LOCK{$key}) {
251	push @{ $LOCK{$key} }, $Coro::current;
252	Coro::schedule;
253	}
254	}	398	}
255		399
256	sub lock_acquire($) {	400	sub lock_acquire($) {
257	my ($key) = @_;	401	$LOCKS->guard ($_[0])
		402	}
258		403
259	# wait, to be sure we are not locked	404	sub lock_active($) {
260	lock_wait $key;	405	$LOCKS->count ($_[0]) < 1
261
262	$LOCK{$key} = [];
263
264	Coro::guard {
265	# wake up all waiters, to be on the safe side
266	$_->ready for @{ delete $LOCK{$key} };
267	}
268	}	406	}
269		407
270	sub freeze_mainloop {	408	sub freeze_mainloop {
271	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
272		410
273	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
274	$TICK_WATCHER->start;	412	}
275	$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($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
276	};	478	}
277	$WRITE_RUNTIME_WATCHER->stop;	479	};
278	$TICK_WATCHER->stop;	480
279	$guard	481	sub get_slot($;$$) {
		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	$sig->wait;
280	}	494	}
281		495
282	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
283		497
284	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
289		503
290	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
291		505
292	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
293		507
294	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
295	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
296	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
297		512
298	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
299	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
300	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
301	fast or be very important.	516	fast or be very important.
…		…
304		519
305	sub sync_job(&) {	520	sub sync_job(&) {
306	my ($job) = @_;	521	my ($job) = @_;
307		522
308	if ($Coro::current == $Coro::main) {	523	if ($Coro::current == $Coro::main) {
		524	my $time = AE::time;
		525
309	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
310	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
311		528
312	# TODO: use suspend/resume instead	529	LOG llevError, Carp::longmess "sync job";#d#
313	# (but this is cancel-safe)	530
314	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
315		532
316	my $busy = 1;	533	my $busy = 1;
317	my @res;	534	my @res;
318		535
319	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
320	@res = eval { $job->() };	538	@res = eval { $job->() };
321	warn $@ if $@;	539	error $@ if $@;
322	undef $busy;	540	undef $busy;
323	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
324		542
325	while ($busy) {	543	while ($busy) {
326	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
327	}	548	}
		549	}
		550
		551	my $time = AE::time - $time;
		552
		553	$TICK_START += $time; # do not account sync jobs to server load
328		554
329	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
330	} else {	556	} else {
331	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
332		558
…		…
352	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
353		579
354	$coro	580	$coro
355	}	581	}
356		582
357	sub write_runtime {	583	=item fork_call { }, $args
358	my $runtime = cf::localdir . "/runtime";
359		584
360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	585	Executes the given code block with the given arguments in a seperate
361	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.
362		589
363	my $value = $cf::RUNTIME + 90 + 10;	590	=cut
364	# 10 is the runtime save interval, for a monotonic clock
365	# 60 allows for the watchdog to kill the server.
366		591
367	(aio_write $fh, 0, (length $value), $value, 0) <= 0	592	sub fork_call(&@) {
368	and return;	593	my ($cb, @args) = @_;
369		594
370	# always fsync - this file is important	595	# we seemingly have to make a local copy of the whole thing,
371	aio_fsync $fh	596	# otherwise perl prematurely frees the stuff :/
372	and return;	597	# TODO: investigate and fix (likely this will be rather laborious)
373		598
374	close $fh	599	my @res = Coro::Util::fork_eval {
375	or return;	600	reset_signals;
		601	&$cb
		602	}, @args;
376		603
377	aio_rename "$runtime~", $runtime	604	wantarray ? @res : $res[-1]
378	and return;	605	}
379		606
		607	sub objinfo {
380	1	608	(
		609	"counter value" => cf::object::object_count,
		610	"objects created" => cf::object::create_count,
		611	"objects destroyed" => cf::object::destroy_count,
		612	"freelist size" => cf::object::free_count,
		613	"allocated objects" => cf::object::objects_size,
		614	"active objects" => cf::object::actives_size,
		615	)
		616	}
		617
		618	=item $coin = coin_from_name $name
		619
		620	=cut
		621
		622	our %coin_alias = (
		623	"silver" => "silvercoin",
		624	"silvercoin" => "silvercoin",
		625	"silvercoins" => "silvercoin",
		626	"gold" => "goldcoin",
		627	"goldcoin" => "goldcoin",
		628	"goldcoins" => "goldcoin",
		629	"platinum" => "platinacoin",
		630	"platinumcoin" => "platinacoin",
		631	"platinumcoins" => "platinacoin",
		632	"platina" => "platinacoin",
		633	"platinacoin" => "platinacoin",
		634	"platinacoins" => "platinacoin",
		635	"royalty" => "royalty",
		636	"royalties" => "royalty",
		637	);
		638
		639	sub coin_from_name($) {
		640	$coin_alias{$_[0]}
		641	? cf::arch::find $coin_alias{$_[0]}
		642	: undef
		643	}
		644
		645	=item $value = cf::db_get $family => $key
		646
		647	Returns a single value from the environment database.
		648
		649	=item cf::db_put $family => $key => $value
		650
		651	Stores the given C<$value> in the family. It can currently store binary
		652	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		653
		654	=item $db = cf::db_table "name"
		655
		656	Create and/or open a new database table. The string must not be "db" and must be unique
		657	within each server.
		658
		659	=cut
		660
		661	sub db_table($) {
		662	my ($name) = @_;
		663	my $db = BDB::db_create $DB_ENV;
		664
		665	eval {
		666	$db->set_flags (BDB::CHKSUM);
		667
		668	utf8::encode $name;
		669	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		670	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		671	cf::cleanup "db_open(db): $!" if $!;
		672	};
		673	cf::cleanup "db_open(db): $@" if $@;
		674
		675	$db
		676	}
		677
		678	our $DB;
		679
		680	sub db_init {
		681	cf::sync_job {
		682	$DB ||= db_table "db";
		683	};
		684	}
		685
		686	sub db_get($$) {
		687	my $key = "$_[0]/$_[1]";
		688
		689	cf::sync_job {
		690	BDB::db_get $DB, undef, $key, my $data;
		691
		692	$! ? ()
		693	: $data
		694	}
		695	}
		696
		697	sub db_put($$$) {
		698	BDB::dbreq_pri 4;
		699	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		700	}
		701
		702	=item cf::cache $id => [$paths...], $processversion => $process
		703
		704	Generic caching function that returns the value of the resource $id,
		705	caching and regenerating as required.
		706
		707	This function can block.
		708
		709	=cut
		710
		711	sub cache {
		712	my ($id, $src, $processversion, $process) = @_;
		713
		714	my $meta =
		715	join "\x00",
		716	$processversion,
		717	map {
		718	aio_stat $_
		719	and Carp::croak "$_: $!";
		720
		721	($_, (stat _)[7,9])
		722	} @$src;
		723
		724	my $dbmeta = db_get cache => "$id/meta";
		725	if ($dbmeta ne $meta) {
		726	# changed, we may need to process
		727
		728	my @data;
		729	my $md5;
		730
		731	for (0 .. $#$src) {
		732	0 <= aio_load $src->[$_], $data[$_]
		733	or Carp::croak "$src->[$_]: $!";
		734	}
		735
		736	# if processing is expensive, check
		737	# checksum first
		738	if (1) {
		739	$md5 =
		740	join "\x00",
		741	$processversion,
		742	map {
		743	cf::cede_to_tick;
		744	($src->[$_], Digest::MD5::md5_hex $data[$_])
		745	} 0.. $#$src;
		746
		747
		748	my $dbmd5 = db_get cache => "$id/md5";
		749	if ($dbmd5 eq $md5) {
		750	db_put cache => "$id/meta", $meta;
		751
		752	return db_get cache => "$id/data";
		753	}
		754	}
		755
		756	my $t1 = Time::HiRes::time;
		757	my $data = $process->(\@data);
		758	my $t2 = Time::HiRes::time;
		759
		760	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		761
		762	db_put cache => "$id/data", $data;
		763	db_put cache => "$id/md5" , $md5;
		764	db_put cache => "$id/meta", $meta;
		765
		766	return $data;
		767	}
		768
		769	db_get cache => "$id/data"
		770	}
		771
		772	=item cf::datalog type => key => value, ...
		773
		774	Log a datalog packet of the given type with the given key-value pairs.
		775
		776	=cut
		777
		778	sub datalog($@) {
		779	my ($type, %kv) = @_;
		780	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
381	}	781	}
382		782
383	=back	783	=back
384		784
385	=cut	785	=cut
386		786
387	#############################################################################	787	#############################################################################
388		788
389	=head2 ATTACHABLE OBJECTS	789	=head2 ATTACHABLE OBJECTS
390		790
391	Many objects in crossfire are so-called attachable objects. That means you can	791	Many objects in deliantra are so-called attachable objects. That means you can
392	attach callbacks/event handlers (a collection of which is called an "attachment")	792	attach callbacks/event handlers (a collection of which is called an "attachment")
393	to it. All such attachable objects support the following methods.	793	to it. All such attachable objects support the following methods.
394		794
395	In the following description, CLASS can be any of C<global>, C<object>	795	In the following description, CLASS can be any of C<global>, C<object>
396	C<player>, C<client> or C<map> (i.e. the attachable objects in	796	C<player>, C<client> or C<map> (i.e. the attachable objects in
397	crossfire+).	797	Deliantra).
398		798
399	=over 4	799	=over 4
400		800
401	=item $attachable->attach ($attachment, key => $value...)	801	=item $attachable->attach ($attachment, key => $value...)
402		802
…		…
446	=item cf::CLASS::attachment $name, ...	846	=item cf::CLASS::attachment $name, ...
447		847
448	Register an attachment by C<$name> through which attachable objects of the	848	Register an attachment by C<$name> through which attachable objects of the
449	given CLASS can refer to this attachment.	849	given CLASS can refer to this attachment.
450		850
451	Some classes such as crossfire maps and objects can specify attachments	851	Some classes such as deliantra maps and objects can specify attachments
452	that are attached at load/instantiate time, thus the need for a name.	852	that are attached at load/instantiate time, thus the need for a name.
453		853
454	These calls expect any number of the following handler/hook descriptions:	854	These calls expect any number of the following handler/hook descriptions:
455		855
456	=over 4	856	=over 4
…		…
565	$registry = $CB_TYPE[$object_type] ||= [];	965	$registry = $CB_TYPE[$object_type] ||= [];
566		966
567	} elsif ($type eq "subtype") {	967	} elsif ($type eq "subtype") {
568	defined $object_type or Carp::croak "subtype specified without type";	968	defined $object_type or Carp::croak "subtype specified without type";
569	my $object_subtype = shift @arg;	969	my $object_subtype = shift @arg;
570	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	970	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
571		971
572	} elsif ($type eq "package") {	972	} elsif ($type eq "package") {
573	my $pkg = shift @arg;	973	my $pkg = shift @arg;
574		974
575	while (my ($name, $id) = each %cb_id) {	975	while (my ($name, $id) = each %cb_id) {
…		…
580		980
581	} elsif (exists $cb_id{$type}) {	981	} elsif (exists $cb_id{$type}) {
582	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	982	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
583		983
584	} elsif (ref $type) {	984	} elsif (ref $type) {
585	warn "attaching objects not supported, ignoring.\n";	985	error "attaching objects not supported, ignoring.\n";
586		986
587	} else {	987	} else {
588	shift @arg;	988	shift @arg;
589	warn "attach argument '$type' not supported, ignoring.\n";	989	error "attach argument '$type' not supported, ignoring.\n";
590	}	990	}
591	}	991	}
592	}	992	}
593		993
594	sub _object_attach {	994	sub _object_attach {
…		…
604	_attach $registry, $klass, @attach;	1004	_attach $registry, $klass, @attach;
605	}	1005	}
606		1006
607	$obj->{$name} = \%arg;	1007	$obj->{$name} = \%arg;
608	} else {	1008	} else {
609	warn "object uses attachment '$name' that is not available, postponing.\n";	1009	info "object uses attachment '$name' which is not available, postponing.\n";
610	}	1010	}
611		1011
612	$obj->{_attachment}{$name} = undef;	1012	$obj->{_attachment}{$name} = undef;
613	}	1013	}
614		1014
…		…
616	if (ref $_[0]) {	1016	if (ref $_[0]) {
617	_object_attach @_;	1017	_object_attach @_;
618	} else {	1018	} else {
619	_attach shift->_attach_registry, @_;	1019	_attach shift->_attach_registry, @_;
620	}	1020	}
		1021	_recalc_want;
621	};	1022	};
622		1023
623	# all those should be optimised	1024	# all those should be optimised
624	sub cf::attachable::detach {	1025	sub cf::attachable::detach {
625	my ($obj, $name) = @_;	1026	my ($obj, $name) = @_;
…		…
628	delete $obj->{_attachment}{$name};	1029	delete $obj->{_attachment}{$name};
629	reattach ($obj);	1030	reattach ($obj);
630	} else {	1031	} else {
631	Carp::croak "cannot, currently, detach class attachments";	1032	Carp::croak "cannot, currently, detach class attachments";
632	}	1033	}
		1034	_recalc_want;
633	};	1035	};
634		1036
635	sub cf::attachable::attached {	1037	sub cf::attachable::attached {
636	my ($obj, $name) = @_;	1038	my ($obj, $name) = @_;
637		1039
…		…
652	";	1054	";
653	die if $@;	1055	die if $@;
654	}	1056	}
655		1057
656	our $override;	1058	our $override;
657	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1059	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
658		1060
659	sub override {	1061	sub override {
660	$override = 1;	1062	$override = 1;
661	@invoke_results = ();	1063	@INVOKE_RESULTS = (@_);
662	}	1064	}
663		1065
664	sub do_invoke {	1066	sub do_invoke {
665	my $event = shift;	1067	my $event = shift;
666	my $callbacks = shift;	1068	my $callbacks = shift;
667		1069
668	@invoke_results = ();	1070	@INVOKE_RESULTS = ();
669		1071
670	local $override;	1072	local $override;
671		1073
672	for (@$callbacks) {	1074	for (@$callbacks) {
673	eval { &{$_->[1]} };	1075	eval { &{$_->[1]} };
674		1076
675	if ($@) {	1077	if ($@) {
676	warn "$@";
677	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1078	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
678	override;	1079	override;
679	}	1080	}
680		1081
681	return 1 if $override;	1082	return 1 if $override;
682	}	1083	}
683		1084
684	0	1085	0
685	}	1086	}
686		1087
687	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1088	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
688		1089
689	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
690		1091
691	Generate an object-specific event with the given arguments.	1092	Generate an object-specific event with the given arguments.
692		1093
693	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1094	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
694	removed in future versions), and there is no public API to access override	1095	removed in future versions), and there is no public API to access override
695	results (if you must, access C<@cf::invoke_results> directly).	1096	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
696		1097
697	=back	1098	=back
698		1099
699	=cut	1100	=cut
700		1101
701	#############################################################################	1102	#############################################################################
702	# object support	1103	# object support
		1104
		1105	sub _object_equal($$);
		1106	sub _object_equal($$) {
		1107	my ($a, $b) = @_;
		1108
		1109	return 0 unless (ref $a) eq (ref $b);
		1110
		1111	if ("HASH" eq ref $a) {
		1112	my @ka = keys %$a;
		1113	my @kb = keys %$b;
		1114
		1115	return 0 if @ka != @kb;
		1116
		1117	for (0 .. $#ka) {
		1118	return 0 unless $ka[$_] eq $kb[$_];
		1119	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1120	}
		1121
		1122	} elsif ("ARRAY" eq ref $a) {
		1123
		1124	return 0 if @$a != @$b;
		1125
		1126	for (0 .. $#$a) {
		1127	return 0 unless _object_equal $a->[$_], $b->[$_];
		1128	}
		1129
		1130	} elsif ($a ne $b) {
		1131	return 0;
		1132	}
		1133
		1134	1
		1135	}
		1136
		1137	our $SLOW_MERGES;#d#
		1138	sub _can_merge {
		1139	my ($ob1, $ob2) = @_;
		1140
		1141	++$SLOW_MERGES;#d#
		1142
		1143	# we do the slow way here
		1144	return _object_equal $ob1, $ob2
		1145	}
703		1146
704	sub reattach {	1147	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	1148	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	1149	my ($obj) = @_;
707		1150
		1151	# no longer needed after getting rid of delete_package?
708	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1152	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
709		1153
710	my $registry = $obj->registry;	1154	my $registry = $obj->registry;
711		1155
712	@$registry = ();	1156	@$registry = ();
713		1157
…		…
718	for (@$attach) {	1162	for (@$attach) {
719	my ($klass, @attach) = @$_;	1163	my ($klass, @attach) = @$_;
720	_attach $registry, $klass, @attach;	1164	_attach $registry, $klass, @attach;
721	}	1165	}
722	} else {	1166	} else {
723	warn "object uses attachment '$name' that is not available, postponing.\n";	1167	info "object uses attachment '$name' that is not available, postponing.\n";
724	}	1168	}
725	}	1169	}
726	}	1170	}
727		1171
728	cf::attachable->attach (	1172	cf::attachable->attach (
729	prio => -1000000,	1173	prio => -1000000,
730	on_instantiate => sub {	1174	on_instantiate => sub {
731	my ($obj, $data) = @_;	1175	my ($obj, $data) = @_;
732		1176
733	$data = from_json $data;	1177	$data = decode_json $data;
734		1178
735	for (@$data) {	1179	for (@$data) {
736	my ($name, $args) = @$_;	1180	my ($name, $args) = @$_;
737		1181
738	$obj->attach ($name, %{$args || {} });	1182	$obj->attach ($name, %{$args || {} });
…		…
754	sub object_freezer_save {	1198	sub object_freezer_save {
755	my ($filename, $rdata, $objs) = @_;	1199	my ($filename, $rdata, $objs) = @_;
756		1200
757	sync_job {	1201	sync_job {
758	if (length $$rdata) {	1202	if (length $$rdata) {
		1203	utf8::decode (my $decname = $filename);
759	warn sprintf "saving %s (%d,%d)\n",	1204	trace sprintf "saving %s (%d,%d)\n",
760	$filename, length $$rdata, scalar @$objs;	1205	$decname, length $$rdata, scalar @$objs
		1206	if $VERBOSE_IO;
761		1207
762	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1208	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
763	chmod SAVE_MODE, $fh;	1209	aio_chmod $fh, SAVE_MODE;
764	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1210	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
765	aio_fsync $fh if $cf::USE_FSYNC;	1211	if ($cf::USE_FSYNC) {
		1212	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1213	aio_fsync $fh;
		1214	}
766	close $fh;	1215	aio_close $fh;
767		1216
768	if (@$objs) {	1217	if (@$objs) {
769	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1218	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
770	chmod SAVE_MODE, $fh;	1219	aio_chmod $fh, SAVE_MODE;
771	my $data = Storable::nfreeze { version => 1, objs => $objs };	1220	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
772	aio_write $fh, 0, (length $data), $data, 0;	1221	aio_write $fh, 0, (length $data), $data, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1222	if ($cf::USE_FSYNC) {
		1223	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1224	aio_fsync $fh;
		1225	}
774	close $fh;	1226	aio_close $fh;
775	aio_rename "$filename.pst~", "$filename.pst";	1227	aio_rename "$filename.pst~", "$filename.pst";
776	}	1228	}
777	} else {	1229	} else {
778	aio_unlink "$filename.pst";	1230	aio_unlink "$filename.pst";
779	}	1231	}
780		1232
781	aio_rename "$filename~", $filename;	1233	aio_rename "$filename~", $filename;
		1234
		1235	$filename =~ s%/[^/]+$%%;
		1236	aio_pathsync $filename if $cf::USE_FSYNC;
782	} else {	1237	} else {
783	warn "FATAL: $filename~: $!\n";	1238	error "unable to save objects: $filename~: $!\n";
784	}	1239	}
785	} else {	1240	} else {
786	aio_unlink $filename;	1241	aio_unlink $filename;
787	aio_unlink "$filename.pst";	1242	aio_unlink "$filename.pst";
788	}	1243	}
789
790	#d##TODO# nuke non .map-files if exist
791	if ($filename =~ s/\.map$//) {
792	aio_unlink $filename;
793	aio_unlink "$filename.pst";
794	}
795	}	1244	};
796	}	1245	}
797		1246
798	sub object_freezer_as_string {	1247	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1248	my ($rdata, $objs) = @_;
800		1249
…		…
805		1254
806	sub object_thawer_load {	1255	sub object_thawer_load {
807	my ($filename) = @_;	1256	my ($filename) = @_;
808		1257
809	my ($data, $av);	1258	my ($data, $av);
810
811	#d#TODO remove .map if file does not exist
812	aio_stat $filename and $filename =~ s/\.map$//;
813		1259
814	(aio_load $filename, $data) >= 0	1260	(aio_load $filename, $data) >= 0
815	or return;	1261	or return;
816		1262
817	unless (aio_stat "$filename.pst") {	1263	unless (aio_stat "$filename.pst") {
818	(aio_load "$filename.pst", $av) >= 0	1264	(aio_load "$filename.pst", $av) >= 0
819	or return;	1265	or return;
		1266
820	$av = eval { (Storable::thaw $av)->{objs} };	1267	my $st = eval { Coro::Storable::thaw $av };
		1268	$av = $st->{objs};
821	}	1269	}
822		1270
		1271	utf8::decode (my $decname = $filename);
823	warn sprintf "loading %s (%d)\n",	1272	trace sprintf "loading %s (%d,%d)\n",
824	$filename, length $data, scalar @{$av || []};#d#	1273	$decname, length $data, scalar @{$av || []}
		1274	if $VERBOSE_IO;
		1275
825	return ($data, $av);	1276	($data, $av)
826	}	1277	}
		1278
		1279	=head2 COMMAND CALLBACKS
		1280
		1281	=over 4
		1282
		1283	=cut
827		1284
828	#############################################################################	1285	#############################################################################
829	# command handling &c	1286	# command handling &c
830		1287
831	=item cf::register_command $name => \&callback($ob,$args);	1288	=item cf::register_command $name => \&callback($ob,$args);
…		…
844	push @{ $COMMAND{$name} }, [$caller, $cb];	1301	push @{ $COMMAND{$name} }, [$caller, $cb];
845	}	1302	}
846		1303
847	=item cf::register_extcmd $name => \&callback($pl,$packet);	1304	=item cf::register_extcmd $name => \&callback($pl,$packet);
848		1305
849	Register a callbackf ro execution when the client sends an extcmd packet.	1306	Register a callback for execution when the client sends an (synchronous)
		1307	extcmd packet. Ext commands will be processed in the order they are
		1308	received by the server, like other user commands. The first argument is
		1309	the logged-in player. Ext commands can only be processed after a player
		1310	has logged in successfully.
850		1311
851	If the callback returns something, it is sent back as if reply was being	1312	If the callback returns something, it is sent back as if reply was being
852	called.	1313	called.
853		1314
		1315	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1316
		1317	Register a callback for execution when the client sends an (asynchronous)
		1318	exticmd packet. Exti commands are processed by the server as soon as they
		1319	are received, i.e. out of order w.r.t. other commands. The first argument
		1320	is a client socket. Exti commands can be received anytime, even before
		1321	log-in.
		1322
		1323	If the callback returns something, it is sent back as if reply was being
		1324	called.
		1325
854	=cut	1326	=cut
855		1327
856	sub register_extcmd {	1328	sub register_extcmd {
857	my ($name, $cb) = @_;	1329	my ($name, $cb) = @_;
858		1330
859	$EXTCMD{$name} = $cb;	1331	$EXTCMD{$name} = $cb;
860	}	1332	}
861		1333
		1334	sub register_exticmd {
		1335	my ($name, $cb) = @_;
		1336
		1337	$EXTICMD{$name} = $cb;
		1338	}
		1339
		1340	use File::Glob ();
		1341
862	cf::player->attach (	1342	cf::player->attach (
863	on_command => sub {	1343	on_unknown_command => sub {
864	my ($pl, $name, $params) = @_;	1344	my ($pl, $name, $params) = @_;
865		1345
866	my $cb = $COMMAND{$name}	1346	my $cb = $COMMAND{$name}
867	or return;	1347	or return;
868		1348
…		…
873	cf::override;	1353	cf::override;
874	},	1354	},
875	on_extcmd => sub {	1355	on_extcmd => sub {
876	my ($pl, $buf) = @_;	1356	my ($pl, $buf) = @_;
877		1357
878	my $msg = eval { from_json $buf };	1358	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
879		1359
880	if (ref $msg) {	1360	if (ref $msg) {
		1361	my ($type, $reply, @payload) =
		1362	"ARRAY" eq ref $msg
		1363	? @$msg
		1364	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1365
		1366	my @reply;
		1367
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1368	if (my $cb = $EXTCMD{$type}) {
882	if (my %reply = $cb->($pl, $msg)) {	1369	@reply = $cb->($pl, @payload);
883	$pl->ext_reply ($msg->{msgid}, %reply);
884	}
885	}	1370	}
		1371
		1372	$pl->ext_reply ($reply, @reply)
		1373	if $reply;
		1374
886	} else {	1375	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1376	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
888	}	1377	}
889		1378
890	cf::override;	1379	cf::override;
891	},	1380	},
892	);	1381	);
893		1382
		1383	# "readahead" all extensions
894	sub load_extension {	1384	sub cache_extensions {
895	my ($path) = @_;	1385	my $grp = IO::AIO::aio_group;
896		1386
897	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1387	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
898	my $base = $1;	1388	for (grep /\.ext$/, @{$_[0]}) {
899	my $pkg = $1;	1389	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
900	$pkg =~ s/[^[:word:]]/_/g;
901	$pkg = "ext::$pkg";
902
903	warn "... loading '$path' into '$pkg'\n";
904
905	open my $fh, "<:utf8", $path
906	or die "$path: $!";
907
908	my $source =
909	"package $pkg; use strict; use utf8;\n"
910	. "#line 1 \"$path\"\n{\n"
911	. (do { local $/; <$fh> })
912	. "\n};\n1";
913
914	unless (eval $source) {
915	my $msg = $@ ? "$path: $@\n"
916	: "extension disabled.\n";
917	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
918	warn $@;
919	warn "mandatory extension failed to load, exiting.\n";
920	exit 1;
921	}	1390	}
922	die $@;
923	}	1391	};
924		1392
925	push @EXTS, $pkg;	1393	$grp
926	}	1394	}
927		1395
928	sub load_extensions {	1396	sub load_extensions {
		1397	info "loading extensions...";
		1398
		1399	cf::sync_job {
		1400	my %todo;
		1401
929	for my $ext (<$LIBDIR/*.ext>) {	1402	for my $path (<$LIBDIR/*.ext>) {
930	next unless -r $ext;	1403	next unless -r $path;
931	eval {	1404
932	load_extension $ext;	1405	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1406	my $base = $1;
		1407	my $pkg = $1;
		1408	$pkg =~ s/[^[:word:]]/_/g;
		1409	$pkg = "ext::$pkg";
		1410
		1411	open my $fh, "<:utf8", $path
		1412	or die "$path: $!";
		1413
		1414	my $source = do { local $/; <$fh> };
		1415
		1416	my %ext = (
		1417	path => $path,
		1418	base => $base,
		1419	pkg => $pkg,
		1420	);
		1421
		1422	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1423	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1424
		1425	$ext{source} =
		1426	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1427	. "#line 1 \"$path\"\n{\n"
		1428	. $source
		1429	. "\n};\n1";
		1430
		1431	$todo{$base} = \%ext;
		1432	}
		1433
		1434	my $pass = 0;
		1435	my %done;
		1436	while (%todo) {
		1437	my $progress;
		1438
		1439	++$pass;
		1440
		1441	ext:
		1442	while (my ($k, $v) = each %todo) {
		1443	for (split /,\s*/, $v->{meta}{depends}) {
		1444	next ext
		1445	unless exists $done{$_};
		1446	}
		1447
		1448	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1449
		1450	my $active = eval $v->{source};
		1451
		1452	if (length $@) {
		1453	error "$v->{path}: $@\n";
		1454
		1455	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1456	if exists $v->{meta}{mandatory};
		1457
		1458	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1459	delete $todo{$k};
		1460	} else {
		1461	$done{$k} = delete $todo{$k};
		1462	push @EXTS, $v->{pkg};
		1463	$progress = 1;
		1464
		1465	info "$v->{base}: extension inactive.\n"
		1466	unless $active;
		1467	}
933	1	1468	}
934	} or warn "$ext not loaded: $@";	1469
		1470	unless ($progress) {
		1471	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1472
		1473	while (my ($k, $v) = each %todo) {
		1474	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1475	if exists $v->{meta}{mandatory};
		1476	}
		1477	}
		1478	}
935	}	1479	};
936	}	1480	}
937		1481
938	#############################################################################	1482	#############################################################################
939		1483
		1484	=back
		1485
940	=head2 CORE EXTENSIONS	1486	=head2 CORE EXTENSIONS
941		1487
942	Functions and methods that extend core crossfire objects.	1488	Functions and methods that extend core deliantra objects.
943		1489
944	=cut	1490	=cut
945		1491
946	package cf::player;	1492	package cf::player;
947		1493
…		…
949		1495
950	=head3 cf::player	1496	=head3 cf::player
951		1497
952	=over 4	1498	=over 4
953		1499
		1500	=item cf::player::num_playing
		1501
		1502	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1503
		1504	=cut
		1505
		1506	sub num_playing {
		1507	scalar grep
		1508	$_->ob->map
		1509	&& !$_->hidden
		1510	&& !$_->ob->flag (cf::FLAG_WIZ),
		1511	cf::player::list
		1512	}
		1513
954	=item cf::player::find $login	1514	=item cf::player::find $login
955		1515
956	Returns the given player object, loading it if necessary (might block).	1516	Returns the given player object, loading it if necessary (might block).
957		1517
958	=cut	1518	=cut
959		1519
960	sub playerdir($) {	1520	sub playerdir($) {
961	cf::localdir	1521	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1522	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1523	}
967		1524
968	sub path($) {	1525	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1526	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1527
971	(playerdir $login) . "/$login.pl"	1528	(playerdir $login) . "/playerdata"
972	}	1529	}
973		1530
974	sub find_active($) {	1531	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1532	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1533	and $cf::PLAYER{$_[0]}->active
…		…
979		1536
980	sub exists($) {	1537	sub exists($) {
981	my ($login) = @_;	1538	my ($login) = @_;
982		1539
983	$cf::PLAYER{$login}	1540	$cf::PLAYER{$login}
984	or cf::sync_job { !aio_stat path $login }	1541	or !aio_stat path $login
985	}	1542	}
986		1543
987	sub find($) {	1544	sub find($) {
988	return $cf::PLAYER{$_[0]} || do {	1545	return $cf::PLAYER{$_[0]} || do {
989	my $login = $_[0];	1546	my $login = $_[0];
990		1547
991	my $guard = cf::lock_acquire "user_find:$login";	1548	my $guard = cf::lock_acquire "user_find:$login";
992		1549
993	$cf::PLAYER{$_[0]} || do {	1550	$cf::PLAYER{$_[0]} || do {
994	my $pl = load_pl path $login	1551	# rename old playerfiles to new ones
		1552	#TODO: remove when no longer required
		1553	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1554	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1555	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1556	aio_unlink +(playerdir $login) . "/$login.pl";
		1557
		1558	my $f = new_from_file cf::object::thawer path $login
995	or return;	1559	or return;
		1560
		1561	my $pl = cf::player::load_pl $f
		1562	or return;
		1563
		1564	local $cf::PLAYER_LOADING{$login} = $pl;
		1565	$f->resolve_delayed_derefs;
996	$cf::PLAYER{$login} = $pl	1566	$cf::PLAYER{$login} = $pl
997	}	1567	}
998	}	1568	}
999	}	1569	}
		1570
		1571	cf::player->attach (
		1572	on_load => sub {
		1573	my ($pl, $path) = @_;
		1574
		1575	# restore slots saved in save, below
		1576	my $slots = delete $pl->{_slots};
		1577
		1578	$pl->ob->current_weapon ($slots->[0]);
		1579	$pl->combat_ob ($slots->[1]);
		1580	$pl->ranged_ob ($slots->[2]);
		1581	},
		1582	);
1000		1583
1001	sub save($) {	1584	sub save($) {
1002	my ($pl) = @_;	1585	my ($pl) = @_;
1003		1586
1004	return if $pl->{deny_save};	1587	return if $pl->{deny_save};
…		…
1009	return if $pl->{deny_save};	1592	return if $pl->{deny_save};
1010		1593
1011	aio_mkdir playerdir $pl, 0770;	1594	aio_mkdir playerdir $pl, 0770;
1012	$pl->{last_save} = $cf::RUNTIME;	1595	$pl->{last_save} = $cf::RUNTIME;
1013		1596
		1597	cf::get_slot 0.01;
		1598
		1599	# save slots, to be restored later
		1600	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1601
1014	$pl->save_pl ($path);	1602	$pl->save_pl ($path);
1015	Coro::cede;	1603	cf::cede_to_tick;
1016	}	1604	}
1017		1605
1018	sub new($) {	1606	sub new($) {
1019	my ($login) = @_;	1607	my ($login) = @_;
1020		1608
…		…
1026	$cf::PLAYER{$login} = $self;	1614	$cf::PLAYER{$login} = $self;
1027		1615
1028	$self	1616	$self
1029	}	1617	}
1030		1618
		1619	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1620
		1621	=cut
		1622
		1623	sub send_msg {
		1624	my $ns = shift->ns
		1625	or return;
		1626	$ns->send_msg (@_);
		1627	}
		1628
1031	=item $pl->quit_character	1629	=item $pl->quit_character
1032		1630
1033	Nukes the player without looking back. If logged in, the connection will	1631	Nukes the player without looking back. If logged in, the connection will
1034	be destroyed. May block for a long time.	1632	be destroyed. May block for a long time.
1035		1633
1036	=cut	1634	=cut
1037		1635
1038	sub quit_character {	1636	sub quit_character {
1039	my ($pl) = @_;	1637	my ($pl) = @_;
1040		1638
		1639	my $name = $pl->ob->name;
		1640
1041	$pl->{deny_save} = 1;	1641	$pl->{deny_save} = 1;
1042	$pl->password ("*"); # this should lock out the player until we nuked the dir	1642	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1043		1643
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1644	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1045	$pl->deactivate;	1645	$pl->deactivate;
		1646	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1046	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1647	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1047	$pl->ns->destroy if $pl->ns;	1648	$pl->ns->destroy if $pl->ns;
1048		1649
1049	my $path = playerdir $pl;	1650	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1651	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1652	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1653	delete $cf::PLAYER{$pl->ob->name};
1053	$pl->destroy;	1654	$pl->destroy;
		1655
		1656	my $prefix = qr<^~\Q$name\E/>;
		1657
		1658	# nuke player maps
		1659	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1660
1054	IO::AIO::aio_rmtree $temp;	1661	IO::AIO::aio_rmtree $temp;
		1662	}
		1663
		1664	=item $pl->kick
		1665
		1666	Kicks a player out of the game. This destroys the connection.
		1667
		1668	=cut
		1669
		1670	sub kick {
		1671	my ($pl, $kicker) = @_;
		1672
		1673	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1674	$pl->killer ("kicked");
		1675	$pl->ns->destroy;
1055	}	1676	}
1056		1677
1057	=item cf::player::list_logins	1678	=item cf::player::list_logins
1058		1679
1059	Returns am arrayref of all valid playernames in the system, can take a	1680	Returns am arrayref of all valid playernames in the system, can take a
1060	while and may block, so not sync_job-capable, ever.	1681	while and may block, so not sync_job-capable, ever.
1061		1682
1062	=cut	1683	=cut
1063		1684
1064	sub list_logins {	1685	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1686	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1687	or return [];
1067		1688
1068	my @logins;	1689	my @logins;
1069		1690
1070	for my $login (@$dirs) {	1691	for my $login (@$dirs) {
		1692	my $path = path $login;
		1693
		1694	# a .pst is a dead give-away for a valid player
		1695	# if no pst file found, open and chekc for blocked users
		1696	if (aio_stat "$path.pst") {
1071	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1697	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1072	aio_read $fh, 0, 512, my $buf, 0 or next;	1698	aio_read $fh, 0, 512, my $buf, 0 or next;
1073	$buf !~ /^password -------------$/m or next; # official not-valid tag	1699	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1700	}
1074		1701
1075	utf8::decode $login;	1702	utf8::decode $login;
1076	push @logins, $login;	1703	push @logins, $login;
1077	}	1704	}
1078		1705
1079	\@logins	1706	\@logins
1080	}	1707	}
1081		1708
1082	=item $player->maps	1709	=item $player->maps
		1710
		1711	=item cf::player::maps $login
1083		1712
1084	Returns an arrayref of map paths that are private for this	1713	Returns an arrayref of map paths that are private for this
1085	player. May block.	1714	player. May block.
1086		1715
1087	=cut	1716	=cut
…		…
1105	}	1734	}
1106		1735
1107	\@paths	1736	\@paths
1108	}	1737	}
1109		1738
		1739	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1740
		1741	Expand deliantra pod fragments into protocol xml.
		1742
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1743	=item $player->ext_reply ($msgid, @msg)
1111		1744
1112	Sends an ext reply to the player.	1745	Sends an ext reply to the player.
1113		1746
1114	=cut	1747	=cut
1115		1748
1116	sub ext_reply($$$%) {	1749	sub ext_reply($$@) {
1117	my ($self, $id, %msg) = @_;	1750	my ($self, $id, @msg) = @_;
1118		1751
1119	$msg{msgid} = $id;	1752	$self->ns->ext_reply ($id, @msg)
1120
1121	$self->send ("ext " . cf::to_json \%msg);
1122	}	1753	}
1123		1754
1124	package cf;	1755	=item $player->ext_msg ($type, @msg)
		1756
		1757	Sends an ext event to the client.
		1758
		1759	=cut
		1760
		1761	sub ext_msg($$@) {
		1762	my ($self, $type, @msg) = @_;
		1763
		1764	$self->ns->ext_msg ($type, @msg);
		1765	}
		1766
		1767	=head3 cf::region
		1768
		1769	=over 4
		1770
		1771	=cut
		1772
		1773	package cf::region;
		1774
		1775	=item cf::region::find_by_path $path
		1776
		1777	Tries to decuce the likely region for a map knowing only its path.
		1778
		1779	=cut
		1780
		1781	sub find_by_path($) {
		1782	my ($path) = @_;
		1783
		1784	$path =~ s/^~[^\/]*//; # skip ~login
		1785
		1786	my ($match, $specificity);
		1787
		1788	for my $region (list) {
		1789	if ($region->{match} && $path =~ $region->{match}) {
		1790	($match, $specificity) = ($region, $region->specificity)
		1791	if $region->specificity > $specificity;
		1792	}
		1793	}
		1794
		1795	$match
		1796	}
1125		1797
1126	=back	1798	=back
1127
1128		1799
1129	=head3 cf::map	1800	=head3 cf::map
1130		1801
1131	=over 4	1802	=over 4
1132		1803
…		…
1144	our $MAX_RESET = 3600;	1815	our $MAX_RESET = 3600;
1145	our $DEFAULT_RESET = 3000;	1816	our $DEFAULT_RESET = 3000;
1146		1817
1147	sub generate_random_map {	1818	sub generate_random_map {
1148	my ($self, $rmp) = @_;	1819	my ($self, $rmp) = @_;
		1820
		1821	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1822
1149	# mit "rum" bekleckern, nicht	1823	# mit "rum" bekleckern, nicht
1150	$self->_create_random_map (	1824	$self->_create_random_map (
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1825	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1826	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1827	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1154	$rmp->{exit_on_final_map},	1828	$rmp->{exit_on_final_map},
1155	$rmp->{xsize}, $rmp->{ysize},	1829	$rmp->{xsize}, $rmp->{ysize},
1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1830	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1831	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1179		1853
1180	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1854	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1181	}	1855	}
1182		1856
1183	# also paths starting with '/'	1857	# also paths starting with '/'
1184	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1858	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1185		1859
1186	sub thawer_merge {	1860	sub thawer_merge {
1187	my ($self, $merge) = @_;	1861	my ($self, $merge) = @_;
1188		1862
1189	# we have to keep some variables in memory intact	1863	# we have to keep some variables in memory intact
1190	local $self->{path};	1864	local $self->{path};
1191	local $self->{load_path};	1865	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		1866
1195	$self->SUPER::thawer_merge ($merge);	1867	$self->SUPER::thawer_merge ($merge);
1196	}	1868	}
1197		1869
1198	sub normalise {	1870	sub normalise {
…		…
1245	$self->init; # pass $1 etc.	1917	$self->init; # pass $1 etc.
1246	return $self;	1918	return $self;
1247	}	1919	}
1248	}	1920	}
1249		1921
1250	Carp::carp "unable to resolve path '$path' (base '$base').";	1922	Carp::cluck "unable to resolve path '$path' (base '$base').";
1251	()	1923	()
1252	}	1924	}
1253		1925
1254	sub init {	1926	sub init {
1255	my ($self) = @_;	1927	my ($self) = @_;
…		…
1270		1942
1271	# the original (read-only) location	1943	# the original (read-only) location
1272	sub load_path {	1944	sub load_path {
1273	my ($self) = @_;	1945	my ($self) = @_;
1274		1946
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1947	"$MAPDIR/$self->{path}.map"
1276	}	1948	}
1277		1949
1278	# the temporary/swap location	1950	# the temporary/swap location
1279	sub save_path {	1951	sub save_path {
1280	my ($self) = @_;	1952	my ($self) = @_;
1281		1953
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1954	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1955	"$TMPDIR/$path.map"
1284	}	1956	}
1285		1957
1286	# the unique path, undef == no special unique path	1958	# the unique path, undef == no special unique path
1287	sub uniq_path {	1959	sub uniq_path {
1288	my ($self) = @_;	1960	my ($self) = @_;
1289		1961
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1962	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1963	"$UNIQUEDIR/$path"
1292	}	1964	}
1293		1965
1294	# and all this just because we cannot iterate over	1966	sub decay_objects {
1295	# all maps in C++...
1296	sub change_all_map_light {
1297	my ($change) = @_;	1967	my ($self) = @_;
1298		1968
1299	$_->change_map_light ($change)	1969	return if $self->{deny_reset};
1300	for grep $_->outdoor, values %cf::MAP;	1970
		1971	$self->do_decay_objects;
1301	}	1972	}
1302		1973
1303	sub unlink_save {	1974	sub unlink_save {
1304	my ($self) = @_;	1975	my ($self) = @_;
1305		1976
1306	utf8::encode (my $save = $self->save_path);	1977	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1978	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1979	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1309
1310	#d#TODO remove .map and also nuke
1311	$save =~ s/\.map// or return;#d#
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1314	}	1980	}
1315		1981
1316	sub load_header_from($) {	1982	sub load_header_from($) {
1317	my ($self, $path) = @_;	1983	my ($self, $path) = @_;
1318		1984
1319	utf8::encode $path;	1985	utf8::encode $path;
1320	#aio_open $path, O_RDONLY, 0	1986	my $f = new_from_file cf::object::thawer $path
1321	# or return;
1322
1323	$self->_load_header ($path)
1324	or return;	1987	or return;
		1988
		1989	$self->_load_header ($f)
		1990	or return;
		1991
		1992	local $MAP_LOADING{$self->{path}} = $self;
		1993	$f->resolve_delayed_derefs;
1325		1994
1326	$self->{load_path} = $path;	1995	$self->{load_path} = $path;
1327		1996
1328	1	1997	1
1329	}	1998	}
…		…
1368	$self->load_header_orig	2037	$self->load_header_orig
1369	or return;	2038	or return;
1370	$self->prepare_orig;	2039	$self->prepare_orig;
1371	}	2040	}
1372		2041
		2042	$self->{deny_reset} = 1
		2043	if $self->no_reset;
		2044
		2045	$self->default_region (cf::region::find_by_path $self->{path})
		2046	unless $self->default_region;
		2047
1373	1	2048	1
1374	}	2049	}
1375		2050
1376	sub find;	2051	sub find;
1377	sub find {	2052	sub find {
1378	my ($path, $origin) = @_;	2053	my ($path, $origin) = @_;
1379		2054
1380	$path = normalise $path, $origin && $origin->path;	2055	$path = normalise $path, $origin && $origin->path;
1381		2056
		2057	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1382	cf::lock_wait "map_find:$path";	2058	my $guard2 = cf::lock_acquire "map_find:$path";
1383		2059
1384	$cf::MAP{$path} || do {	2060	$cf::MAP{$path} || do {
1385	my $guard = cf::lock_acquire "map_find:$path";
1386	my $map = new_from_path cf::map $path	2061	my $map = new_from_path cf::map $path
1387	or return;	2062	or return;
1388		2063
1389	$map->{last_save} = $cf::RUNTIME;	2064	$map->{last_save} = $cf::RUNTIME;
1390		2065
1391	$map->load_header	2066	$map->load_header
1392	or return;	2067	or return;
1393		2068
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2069	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	2070	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	2071	#$cf::WAIT_FOR_TICK->wait;
		2072	undef $guard2;
		2073	undef $guard1;
1397	$map->reset;	2074	$map->reset;
1398	undef $guard;
1399	return find $path;	2075	return find $path;
1400	}	2076	}
1401		2077
1402	$cf::MAP{$path} = $map	2078	$cf::MAP{$path} = $map
1403	}	2079	}
1404	}	2080	}
1405		2081
1406	sub pre_load { }	2082	sub pre_load { }
1407	sub post_load { }	2083	#sub post_load { } # XS
1408		2084
1409	sub load {	2085	sub load {
1410	my ($self) = @_;	2086	my ($self) = @_;
1411		2087
1412	local $self->{deny_reset} = 1; # loading can take a long time	2088	local $self->{deny_reset} = 1; # loading can take a long time
1413		2089
1414	my $path = $self->{path};	2090	my $path = $self->{path};
		2091
		2092	{
1415	my $guard = cf::lock_acquire "map_load:$path";	2093	my $guard = cf::lock_acquire "map_data:$path";
1416		2094
		2095	return unless $self->valid;
1417	return if $self->in_memory != cf::MAP_SWAPPED;	2096	return unless $self->in_memory == cf::MAP_SWAPPED;
1418		2097
1419	$self->in_memory (cf::MAP_LOADING);	2098	$self->in_memory (cf::MAP_LOADING);
1420		2099
1421	$self->alloc;	2100	$self->alloc;
1422		2101
1423	$self->pre_load;	2102	$self->pre_load;
		2103	cf::cede_to_tick;
1424		2104
1425	$self->_load_objects ($self->{load_path}, 1)	2105	my $f = new_from_file cf::object::thawer $self->{load_path};
		2106	$f->skip_block;
		2107	$self->_load_objects ($f)
1426	or return;	2108	or return;
1427		2109
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2110	$self->post_load_original
1429	if delete $self->{load_original};	2111	if delete $self->{load_original};
1430		2112
1431	if (my $uniq = $self->uniq_path) {	2113	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;	2114	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {	2115	unless (aio_stat $uniq) {
		2116	if (my $f = new_from_file cf::object::thawer $uniq) {
1434	$self->clear_unique_items;	2117	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);	2118	$self->_load_objects ($f);
		2119	$f->resolve_delayed_derefs;
		2120	}
1436	}	2121	}
1437	}	2122	}
1438		2123
1439	Coro::cede;	2124	$f->resolve_delayed_derefs;
1440		2125
		2126	cf::cede_to_tick;
1441	# now do the right thing for maps	2127	# now do the right thing for maps
1442	$self->link_multipart_objects;	2128	$self->link_multipart_objects;
1443
1444	unless ($self->{deny_activate}) {
1445	$self->decay_objects;
1446	$self->fix_auto_apply;
1447	$self->update_buttons;
1448	Coro::cede;
1449	$self->set_darkness_map;
1450	$self->difficulty ($self->estimate_difficulty)	2129	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	2130	unless $self->difficulty;
1452	Coro::cede;	2131	cf::cede_to_tick;
		2132
		2133	unless ($self->{deny_activate}) {
		2134	$self->decay_objects;
		2135	$self->fix_auto_apply;
		2136	$self->update_buttons;
		2137	cf::cede_to_tick;
1453	$self->activate;	2138	$self->activate;
		2139	}
		2140
		2141	$self->{last_save} = $cf::RUNTIME;
		2142	$self->last_access ($cf::RUNTIME);
		2143
		2144	$self->in_memory (cf::MAP_ACTIVE);
1454	}	2145	}
1455		2146
1456	$self->post_load;	2147	$self->post_load;
1457
1458	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	2148	}
1460		2149
		2150	# customize the map for a given player, i.e.
		2151	# return the _real_ map. used by e.g. per-player
		2152	# maps to change the path to ~playername/mappath
1461	sub customise_for {	2153	sub customise_for {
1462	my ($self, $ob) = @_;	2154	my ($self, $ob) = @_;
1463		2155
1464	return find "~" . $ob->name . "/" . $self->{path}	2156	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	2157	if $self->per_player;
1466		2158
		2159	# return find "?party/" . $ob->name . "/" . $self->{path}
		2160	# if $self->per_party;
		2161
1467	$self	2162	$self
1468	}	2163	}
1469		2164
1470	# find and load all maps in the 3x3 area around a map	2165	# find and load all maps in the 3x3 area around a map
1471	sub load_diag {	2166	sub load_neighbours {
1472	my ($map) = @_;	2167	my ($map) = @_;
1473		2168
1474	my @diag; # diagonal neighbours	2169	my @neigh; # diagonal neighbours
1475		2170
1476	for (0 .. 3) {	2171	for (0 .. 3) {
1477	my $neigh = $map->tile_path ($_)	2172	my $neigh = $map->tile_path ($_)
1478	or next;	2173	or next;
1479	$neigh = find $neigh, $map	2174	$neigh = find $neigh, $map
1480	or next;	2175	or next;
1481	$neigh->load;	2176	$neigh->load;
1482		2177
		2178	# now find the diagonal neighbours
		2179	push @neigh,
1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2180	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2181	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1485	}	2182	}
1486		2183
1487	for (@diag) {	2184	for (grep defined $_->[0], @neigh) {
		2185	my ($path, $origin) = @$_;
1488	my $neigh = find @$_	2186	my $neigh = find $path, $origin
1489	or next;	2187	or next;
1490	$neigh->load;	2188	$neigh->load;
1491	}	2189	}
1492	}	2190	}
1493		2191
…		…
1498	}	2196	}
1499		2197
1500	sub do_load_sync {	2198	sub do_load_sync {
1501	my ($map) = @_;	2199	my ($map) = @_;
1502		2200
		2201	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2202	if $Coro::current == $Coro::main;
		2203
1503	cf::sync_job { $map->load };	2204	cf::sync_job { $map->load };
1504	}	2205	}
1505		2206
1506	our %MAP_PREFETCH;	2207	our %MAP_PREFETCH;
1507	our $MAP_PREFETCHER = undef;	2208	our $MAP_PREFETCHER = undef;
1508		2209
1509	sub find_async {	2210	sub find_async {
1510	my ($path, $origin) = @_;	2211	my ($path, $origin, $load) = @_;
1511		2212
1512	$path = normalise $path, $origin && $origin->{path};	2213	$path = normalise $path, $origin && $origin->{path};
1513		2214
1514	if (my $map = $cf::MAP{$path}) {	2215	if (my $map = $cf::MAP{$path}) {
1515	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2216	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1516	}	2217	}
1517		2218
1518	undef $MAP_PREFETCH{$path};	2219	$MAP_PREFETCH{$path} |= $load;
		2220
1519	$MAP_PREFETCHER ||= cf::async {	2221	$MAP_PREFETCHER ||= cf::async {
		2222	$Coro::current->{desc} = "map prefetcher";
		2223
1520	while (%MAP_PREFETCH) {	2224	while (%MAP_PREFETCH) {
1521	for my $path (keys %MAP_PREFETCH) {	2225	while (my ($k, $v) = each %MAP_PREFETCH) {
1522	my $map = find $path	2226	if (my $map = find $k) {
1523	or next;
1524	$map->load;	2227	$map->load if $v;
		2228	}
1525		2229
1526	delete $MAP_PREFETCH{$path};	2230	delete $MAP_PREFETCH{$k};
1527	}	2231	}
1528	}	2232	}
1529	undef $MAP_PREFETCHER;	2233	undef $MAP_PREFETCHER;
1530	};	2234	};
1531	$MAP_PREFETCHER->prio (6);	2235	$MAP_PREFETCHER->prio (6);
1532		2236
1533	()	2237	()
1534	}	2238	}
1535		2239
		2240	# common code, used by both ->save and ->swapout
1536	sub save {	2241	sub _save {
1537	my ($self) = @_;	2242	my ($self) = @_;
1538
1539	my $lock = cf::lock_acquire "map_data:" . $self->path;
1540		2243
1541	$self->{last_save} = $cf::RUNTIME;	2244	$self->{last_save} = $cf::RUNTIME;
1542		2245
1543	return unless $self->dirty;	2246	return unless $self->dirty;
1544		2247
…		…
1550	return if $self->{deny_save};	2253	return if $self->{deny_save};
1551		2254
1552	local $self->{last_access} = $self->last_access;#d#	2255	local $self->{last_access} = $self->last_access;#d#
1553		2256
1554	cf::async {	2257	cf::async {
		2258	$Coro::current->{desc} = "map player save";
1555	$_->contr->save for $self->players;	2259	$_->contr->save for $self->players;
1556	};	2260	};
		2261
		2262	cf::get_slot 0.02;
1557		2263
1558	if ($uniq) {	2264	if ($uniq) {
1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2265	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1560	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2266	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1561	} else {	2267	} else {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2268	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1563	}	2269	}
1564	}	2270	}
1565		2271
		2272	sub save {
		2273	my ($self) = @_;
		2274
		2275	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2276
		2277	$self->_save;
		2278	}
		2279
1566	sub swap_out {	2280	sub swap_out {
1567	my ($self) = @_;	2281	my ($self) = @_;
1568		2282
1569	# save first because save cedes
1570	$self->save;
1571
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2283	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2284
		2285	return if $self->in_memory != cf::MAP_ACTIVE;
		2286	return if $self->{deny_save};
1574	return if $self->players;	2287	return if $self->players;
1575	return if $self->in_memory != cf::MAP_IN_MEMORY;
1576	return if $self->{deny_save};
1577		2288
		2289	# first deactivate the map and "unlink" it from the core
		2290	$self->deactivate;
		2291	$_->clear_links_to ($self) for values %cf::MAP;
		2292	$self->in_memory (cf::MAP_SWAPPED);
		2293
		2294	# then atomically save
		2295	$self->_save;
		2296
		2297	# then free the map
1578	$self->clear;	2298	$self->clear;
1579	$self->in_memory (cf::MAP_SWAPPED);
1580	}	2299	}
1581		2300
1582	sub reset_at {	2301	sub reset_at {
1583	my ($self) = @_;	2302	my ($self) = @_;
1584		2303
1585	# TODO: safety, remove and allow resettable per-player maps	2304	# TODO: safety, remove and allow resettable per-player maps
1586	return 1e99 if $self->isa ("ext::map_per_player");#d#
1587	return 1e99 if $self->{deny_reset};	2305	return 1e99 if $self->{deny_reset};
1588		2306
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2307	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2308	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591		2309
…		…
1602	my ($self) = @_;	2320	my ($self) = @_;
1603		2321
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		2323
1606	return if $self->players;	2324	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		2325
1609	warn "resetting map ", $self->path;#d#	2326	cf::trace "resetting map ", $self->path, "\n";
		2327
		2328	$self->in_memory (cf::MAP_SWAPPED);
		2329
		2330	# need to save uniques path
		2331	unless ($self->{deny_save}) {
		2332	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2333
		2334	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2335	if $uniq;
		2336	}
1610		2337
1611	delete $cf::MAP{$self->path};	2338	delete $cf::MAP{$self->path};
1612		2339
1613	$self->in_memory (cf::MAP_SWAPPED);	2340	$self->deactivate;
		2341	$_->clear_links_to ($self) for values %cf::MAP;
1614	$self->clear;	2342	$self->clear;
1615
1616	$_->clear_links_to ($self) for values %cf::MAP;
1617		2343
1618	$self->unlink_save;	2344	$self->unlink_save;
1619	$self->destroy;	2345	$self->destroy;
1620	}	2346	}
1621		2347
1622	my $nuke_counter = "aaaa";	2348	my $nuke_counter = "aaaa";
1623		2349
1624	sub nuke {	2350	sub nuke {
1625	my ($self) = @_;	2351	my ($self) = @_;
1626		2352
		2353	{
		2354	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2355
1627	delete $cf::MAP{$self->path};	2356	delete $cf::MAP{$self->path};
1628		2357
1629	$self->unlink_save;	2358	$self->unlink_save;
1630		2359
1631	bless $self, "cf::map";	2360	bless $self, "cf::map::wrap";
1632	delete $self->{deny_reset};	2361	delete $self->{deny_reset};
1633	$self->{deny_save} = 1;	2362	$self->{deny_save} = 1;
1634	$self->reset_timeout (1);	2363	$self->reset_timeout (1);
1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2364	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1636		2365
1637	$cf::MAP{$self->path} = $self;	2366	$cf::MAP{$self->path} = $self;
		2367	}
1638		2368
1639	$self->reset; # polite request, might not happen	2369	$self->reset; # polite request, might not happen
		2370	}
		2371
		2372	=item $maps = cf::map::tmp_maps
		2373
		2374	Returns an arrayref with all map paths of currently instantiated and saved
		2375	maps. May block.
		2376
		2377	=cut
		2378
		2379	sub tmp_maps() {
		2380	[
		2381	map {
		2382	utf8::decode $_;
		2383	/\.map$/
		2384	? normalise $_
		2385	: ()
		2386	} @{ aio_readdir $TMPDIR or [] }
		2387	]
		2388	}
		2389
		2390	=item $maps = cf::map::random_maps
		2391
		2392	Returns an arrayref with all map paths of currently instantiated and saved
		2393	random maps. May block.
		2394
		2395	=cut
		2396
		2397	sub random_maps() {
		2398	[
		2399	map {
		2400	utf8::decode $_;
		2401	/\.map$/
		2402	? normalise "?random/$_"
		2403	: ()
		2404	} @{ aio_readdir $RANDOMDIR or [] }
		2405	]
1640	}	2406	}
1641		2407
1642	=item cf::map::unique_maps	2408	=item cf::map::unique_maps
1643		2409
1644	Returns an arrayref of paths of all shared maps that have	2410	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2411	instantiated unique items. May block.
1646		2412
1647	=cut	2413	=cut
1648		2414
1649	sub unique_maps() {	2415	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2416	[
1651	or return;	2417	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2418	utf8::decode $_;
1657	next if /\.pst$/;	2419	s/\.map$//; # TODO future compatibility hack
1658	next unless /^$PATH_SEP/o;	2420	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1659		2421	? ()
1660	push @paths, cf::map::normalise $_;	2422	: normalise $_
		2423	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2424	]
1662
1663	\@paths
1664	}	2425	}
1665		2426
1666	package cf;	2427	=item cf::map::static_maps
		2428
		2429	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2430	file in the shared directory excluding F</styles> and F</editor>). May
		2431	block.
		2432
		2433	=cut
		2434
		2435	sub static_maps() {
		2436	my @dirs = "";
		2437	my @maps;
		2438
		2439	while (@dirs) {
		2440	my $dir = shift @dirs;
		2441
		2442	next if $dir eq "/styles" || $dir eq "/editor";
		2443
		2444	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2445	or return;
		2446
		2447	for (@$files) {
		2448	s/\.map$// or next;
		2449	utf8::decode $_;
		2450	push @maps, "$dir/$_";
		2451	}
		2452
		2453	push @dirs, map "$dir/$_", @$dirs;
		2454	}
		2455
		2456	\@maps
		2457	}
1667		2458
1668	=back	2459	=back
1669		2460
1670	=head3 cf::object	2461	=head3 cf::object
1671		2462
…		…
1675		2466
1676	=over 4	2467	=over 4
1677		2468
1678	=item $ob->inv_recursive	2469	=item $ob->inv_recursive
1679		2470
1680	Returns the inventory of the object _and_ their inventories, recursively.	2471	Returns the inventory of the object I<and> their inventories, recursively,
		2472	but I<not> the object itself.
1681		2473
1682	=cut	2474	=cut
1683		2475
1684	sub inv_recursive_;	2476	sub inv_recursive_;
1685	sub inv_recursive_ {	2477	sub inv_recursive_ {
…		…
1688		2480
1689	sub inv_recursive {	2481	sub inv_recursive {
1690	inv_recursive_ inv $_[0]	2482	inv_recursive_ inv $_[0]
1691	}	2483	}
1692		2484
		2485	=item $ref = $ob->ref
		2486
		2487	Creates and returns a persistent reference to an object that can be stored as a string.
		2488
		2489	=item $ob = cf::object::deref ($refstring)
		2490
		2491	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2492	even if the object actually exists. May block.
		2493
		2494	=cut
		2495
		2496	sub deref {
		2497	my ($ref) = @_;
		2498
		2499	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2500	my ($uuid, $name) = ($1, $2);
		2501	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2502	or return;
		2503	$pl->ob->uuid eq $uuid
		2504	or return;
		2505
		2506	$pl->ob
		2507	} else {
		2508	warn "$ref: cannot resolve object reference\n";
		2509	undef
		2510	}
		2511	}
		2512
1693	package cf;	2513	package cf;
1694		2514
1695	=back	2515	=back
1696		2516
1697	=head3 cf::object::player	2517	=head3 cf::object::player
…		…
1703	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2523	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1704	can be C<undef>. Does the right thing when the player is currently in a	2524	can be C<undef>. Does the right thing when the player is currently in a
1705	dialogue with the given NPC character.	2525	dialogue with the given NPC character.
1706		2526
1707	=cut	2527	=cut
		2528
		2529	our $SAY_CHANNEL = {
		2530	id => "say",
		2531	title => "Map",
		2532	reply => "say ",
		2533	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2534	};
		2535
		2536	our $CHAT_CHANNEL = {
		2537	id => "chat",
		2538	title => "Chat",
		2539	reply => "chat ",
		2540	tooltip => "Player chat and shouts, global to the server.",
		2541	};
1708		2542
1709	# rough implementation of a future "reply" method that works	2543	# rough implementation of a future "reply" method that works
1710	# with dialog boxes.	2544	# with dialog boxes.
1711	#TODO: the first argument must go, split into a $npc->reply_to ( method	2545	#TODO: the first argument must go, split into a $npc->reply_to ( method
1712	sub cf::object::player::reply($$$;$) {	2546	sub cf::object::player::reply($$$;$) {
…		…
1714		2548
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2549	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2550
1717	if ($self->{record_replies}) {	2551	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2552	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2553
1719	} else {	2554	} else {
		2555	my $pl = $self->contr;
		2556
		2557	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2558	my $dialog = $pl->{npc_dialog};
		2559	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2560
		2561	} else {
1720	$msg = $npc->name . " says: $msg" if $npc;	2562	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2563	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2564	}
1722	}	2565	}
		2566	}
		2567
		2568	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2569
		2570	=cut
		2571
		2572	sub cf::object::send_msg {
		2573	my $pl = shift->contr
		2574	or return;
		2575	$pl->send_msg (@_);
1723	}	2576	}
1724		2577
1725	=item $player_object->may ("access")	2578	=item $player_object->may ("access")
1726		2579
1727	Returns wether the given player is authorized to access resource "access"	2580	Returns wether the given player is authorized to access resource "access"
…		…
1740		2593
1741	=item $player_object->enter_link	2594	=item $player_object->enter_link
1742		2595
1743	Freezes the player and moves him/her to a special map (C<{link}>).	2596	Freezes the player and moves him/her to a special map (C<{link}>).
1744		2597
1745	The player should be reasonably safe there for short amounts of time. You	2598	The player should be reasonably safe there for short amounts of time (e.g.
1746	I<MUST> call C<leave_link> as soon as possible, though.	2599	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2600	though, as the player cannot control the character while it is on the link
		2601	map.
1747		2602
1748	Will never block.	2603	Will never block.
1749		2604
1750	=item $player_object->leave_link ($map, $x, $y)	2605	=item $player_object->leave_link ($map, $x, $y)
1751		2606
…		…
1771	sub cf::object::player::enter_link {	2626	sub cf::object::player::enter_link {
1772	my ($self) = @_;	2627	my ($self) = @_;
1773		2628
1774	$self->deactivate_recursive;	2629	$self->deactivate_recursive;
1775		2630
		2631	++$self->{_link_recursion};
		2632
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2633	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2634
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2635	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2636	if $self->map && $self->map->{path} ne "{link}";
1780		2637
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2638	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1782	}	2639	}
1783		2640
1784	sub cf::object::player::leave_link {	2641	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2642	my ($self, $map, $x, $y) = @_;
		2643
		2644	return unless $self->contr->active;
1786		2645
1787	my $link_pos = delete $self->{_link_pos};	2646	my $link_pos = delete $self->{_link_pos};
1788		2647
1789	unless ($map) {	2648	unless ($map) {
1790	# restore original map position	2649	# restore original map position
…		…
1801	($x, $y) = (-1, -1)	2660	($x, $y) = (-1, -1)
1802	unless (defined $x) && (defined $y);	2661	unless (defined $x) && (defined $y);
1803		2662
1804	# use -1 or undef as default coordinates, not 0, 0	2663	# use -1 or undef as default coordinates, not 0, 0
1805	($x, $y) = ($map->enter_x, $map->enter_y)	2664	($x, $y) = ($map->enter_x, $map->enter_y)
1806	if $x <=0 && $y <= 0;	2665	if $x <= 0 && $y <= 0;
1807		2666
1808	$map->load;	2667	$map->load;
1809	$map->load_diag;	2668	$map->load_neighbours;
1810		2669
1811	return unless $self->contr->active;	2670	return unless $self->contr->active;
		2671
		2672	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2673	if ($self->enter_map ($map, $x, $y)) {
		2674	# entering was successful
		2675	delete $self->{_link_recursion};
		2676	# only activate afterwards, to support waiting in hooks
1812	$self->activate_recursive;	2677	$self->activate_recursive;
1813	$self->enter_map ($map, $x, $y);
1814	}
1815
1816	cf::player->attach (
1817	on_logout => sub {
1818	my ($pl) = @_;
1819
1820	# abort map switching before logout
1821	if ($pl->ob->{_link_pos}) {
1822	cf::sync_job {
1823	$pl->ob->leave_link
1824	};
1825	}
1826	},	2678	}
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2679
1830	# try to abort aborted map switching on player login :)	2680	}
1831	# should happen only on crashes
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	# we need this sleep as the login has a concurrent enter_exit running
1836	# and this sleep increases chances of the player not ending up in scorn
1837	$pl->ob->reply (undef,
1838	"There was an internal problem at your last logout, "
1839	. "the server will try to bring you to your intended destination in a second.",
1840	cf::NDI_RED);
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847		2681
1848	=item $player_object->goto ($path, $x, $y)	2682	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1849		2683
		2684	Moves the player to the given map-path and coordinates by first freezing
		2685	her, loading and preparing them map, calling the provided $check callback
		2686	that has to return the map if sucecssful, and then unfreezes the player on
		2687	the new (success) or old (failed) map position. In either case, $done will
		2688	be called at the end of this process.
		2689
		2690	Note that $check will be called with a potentially non-loaded map, so if
		2691	it needs a loaded map it has to call C<< ->load >>.
		2692
1850	=cut	2693	=cut
		2694
		2695	our $GOTOGEN;
1851		2696
1852	sub cf::object::player::goto {	2697	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2698	my ($self, $path, $x, $y, $check, $done) = @_;
		2699
		2700	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2701	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2702	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2703	($path, $x, $y) = @$EMERGENCY_POSITION;
		2704	}
		2705
		2706	# do generation counting so two concurrent goto's will be executed in-order
		2707	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2708
1855	$self->enter_link;	2709	$self->enter_link;
1856		2710
1857	(async {	2711	(async {
		2712	$Coro::current->{desc} = "player::goto $path $x $y";
		2713
		2714	# *tag paths override both path and x|y
		2715	if ($path =~ /^\*(.*)$/) {
		2716	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2717	my $ob = $obs[rand @obs];
		2718
		2719	# see if we actually can go there
		2720	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2721	$ob = $obs[rand @obs];
		2722	} else {
		2723	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2724	}
		2725	# else put us there anyways for now #d#
		2726
		2727	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2728	} else {
		2729	($path, $x, $y) = (undef, undef, undef);
		2730	}
		2731	}
		2732
1858	my $map = eval {	2733	my $map = eval {
1859	my $map = cf::map::find $path;	2734	my $map = defined $path ? cf::map::find $path : undef;
		2735
		2736	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2737	$map = $map->customise_for ($self);
		2738	$map = $check->($map, $x, $y, $self) if $check && $map;
		2739	} else {
		2740	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2741	}
		2742
1861	$map	2743	$map
		2744	};
		2745
		2746	if ($@) {
		2747	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2748	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2749	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2750
		2751	if ($gen == $self->{_goto_generation}) {
		2752	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2753	$self->leave_link ($map, $x, $y);
		2754	}
		2755
		2756	$done->($self) if $done;
1866	})->prio (1);	2757	})->prio (1);
1867	}	2758	}
1868		2759
1869	=item $player_object->enter_exit ($exit_object)	2760	=item $player_object->enter_exit ($exit_object)
1870		2761
…		…
1890	}	2781	}
1891		2782
1892	sub prepare_random_map {	2783	sub prepare_random_map {
1893	my ($exit) = @_;	2784	my ($exit) = @_;
1894		2785
1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1896
1897	# all this does is basically replace the /! path by	2786	# all this does is basically replace the /! path by
1898	# a new random map path (?random/...) with a seed	2787	# a new random map path (?random/...) with a seed
1899	# that depends on the exit object	2788	# that depends on the exit object
1900		2789
1901	my $rmp = parse_random_map_params $exit->msg;	2790	my $rmp = parse_random_map_params $exit->msg;
…		…
1903	if ($exit->map) {	2792	if ($exit->map) {
1904	$rmp->{region} = $exit->region->name;	2793	$rmp->{region} = $exit->region->name;
1905	$rmp->{origin_map} = $exit->map->path;	2794	$rmp->{origin_map} = $exit->map->path;
1906	$rmp->{origin_x} = $exit->x;	2795	$rmp->{origin_x} = $exit->x;
1907	$rmp->{origin_y} = $exit->y;	2796	$rmp->{origin_y} = $exit->y;
		2797
		2798	$exit->map->touch;
1908	}	2799	}
1909		2800
1910	$rmp->{random_seed} ||= $exit->random_seed;	2801	$rmp->{random_seed} ||= $exit->random_seed;
1911		2802
1912	my $data = cf::to_json $rmp;	2803	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1913	my $md5 = Digest::MD5::md5_hex $data;	2804	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2805	my $meta = "$RANDOMDIR/$md5.meta";
1915		2806
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2807	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2808	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2809	undef $fh;
1919	aio_rename "$meta~", $meta;	2810	aio_rename "$meta~", $meta;
1920		2811
		2812	my $slaying = "?random/$md5";
		2813
		2814	if ($exit->valid) {
1921	$exit->slaying ("?random/$md5");	2815	$exit->slaying ("?random/$md5");
1922	$exit->msg (undef);	2816	$exit->msg (undef);
		2817	}
1923	}	2818	}
1924	}	2819	}
1925		2820
1926	sub cf::object::player::enter_exit {	2821	sub cf::object::player::enter_exit {
1927	my ($self, $exit) = @_;	2822	my ($self, $exit) = @_;
1928		2823
1929	return unless $self->type == cf::PLAYER;	2824	return unless $self->type == cf::PLAYER;
1930		2825
1931	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job
1933	cf::sync_job { prepare_random_map $exit };
1934	}
1935
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;
1939
1940	$self->enter_link;	2826	$self->enter_link;
1941		2827
1942	(async {	2828	(async {
1943	$self->deactivate_recursive; # just to be sure	2829	$Coro::current->{desc} = "enter_exit";
		2830
1944	unless (eval {	2831	unless (eval {
		2832	$self->deactivate_recursive; # just to be sure
		2833
		2834	# random map handling
		2835	{
		2836	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2837
		2838	prepare_random_map $exit
		2839	if $exit->slaying eq "/!";
		2840	}
		2841
		2842	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2843	my $x = $exit->stats->hp;
		2844	my $y = $exit->stats->sp;
		2845
1945	$self->goto ($slaying, $hp, $sp);	2846	$self->goto ($map, $x, $y);
1946		2847
		2848	# if exit is damned, update players death & WoR home-position
		2849	$self->contr->savebed ($map, $x, $y)
		2850	if $exit->flag (cf::FLAG_DAMNED);
		2851
1947	1;	2852	1
1948	}) {	2853	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2854	$self->message ("Something went wrong deep within the deliantra server. "
1950	. "I'll try to bring you back to the map you were before. "	2855	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2856	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2857	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2858
1954	warn "ERROR in enter_exit: $@";	2859	error "ERROR in enter_exit: $@";
1955	$self->leave_link;	2860	$self->leave_link;
1956	}	2861	}
1957	})->prio (1);	2862	})->prio (1);
1958	}	2863	}
1959		2864
…		…
1970		2875
1971	sub cf::client::send_drawinfo {	2876	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2877	my ($self, $text, $flags) = @_;
1973		2878
1974	utf8::encode $text;	2879	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2880	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2881	}
1977		2882
		2883	=item $client->send_big_packet ($pkt)
		2884
		2885	Like C<send_packet>, but tries to compress large packets, and fragments
		2886	them as required.
		2887
		2888	=cut
		2889
		2890	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2891
		2892	sub cf::client::send_big_packet {
		2893	my ($self, $pkt) = @_;
		2894
		2895	# try lzf for large packets
		2896	$pkt = "lzf " . Compress::LZF::compress $pkt
		2897	if 1024 <= length $pkt and $self->{can_lzf};
		2898
		2899	# split very large packets
		2900	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2901	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2902	$pkt = "frag";
		2903	}
		2904
		2905	$self->send_packet ($pkt);
		2906	}
		2907
		2908	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2909
		2910	Send a drawinfo or msg packet to the client, formatting the msg for the
		2911	client if neccessary. C<$type> should be a string identifying the type of
		2912	the message, with C<log> being the default. If C<$color> is negative, suppress
		2913	the message unless the client supports the msg packet.
		2914
		2915	=cut
		2916
		2917	# non-persistent channels (usually the info channel)
		2918	our %CHANNEL = (
		2919	"c/motd" => {
		2920	id => "infobox",
		2921	title => "MOTD",
		2922	reply => undef,
		2923	tooltip => "The message of the day",
		2924	},
		2925	"c/identify" => {
		2926	id => "infobox",
		2927	title => "Identify",
		2928	reply => undef,
		2929	tooltip => "Items recently identified",
		2930	},
		2931	"c/examine" => {
		2932	id => "infobox",
		2933	title => "Examine",
		2934	reply => undef,
		2935	tooltip => "Signs and other items you examined",
		2936	},
		2937	"c/shopinfo" => {
		2938	id => "infobox",
		2939	title => "Shop Info",
		2940	reply => undef,
		2941	tooltip => "What your bargaining skill tells you about the shop",
		2942	},
		2943	"c/book" => {
		2944	id => "infobox",
		2945	title => "Book",
		2946	reply => undef,
		2947	tooltip => "The contents of a note or book",
		2948	},
		2949	"c/lookat" => {
		2950	id => "infobox",
		2951	title => "Look",
		2952	reply => undef,
		2953	tooltip => "What you saw there",
		2954	},
		2955	"c/who" => {
		2956	id => "infobox",
		2957	title => "Players",
		2958	reply => undef,
		2959	tooltip => "Shows players who are currently online",
		2960	},
		2961	"c/body" => {
		2962	id => "infobox",
		2963	title => "Body Parts",
		2964	reply => undef,
		2965	tooltip => "Shows which body parts you posess and are available",
		2966	},
		2967	"c/statistics" => {
		2968	id => "infobox",
		2969	title => "Statistics",
		2970	reply => undef,
		2971	tooltip => "Shows your primary statistics",
		2972	},
		2973	"c/skills" => {
		2974	id => "infobox",
		2975	title => "Skills",
		2976	reply => undef,
		2977	tooltip => "Shows your experience per skill and item power",
		2978	},
		2979	"c/shopitems" => {
		2980	id => "infobox",
		2981	title => "Shop Items",
		2982	reply => undef,
		2983	tooltip => "Shows the items currently for sale in this shop",
		2984	},
		2985	"c/resistances" => {
		2986	id => "infobox",
		2987	title => "Resistances",
		2988	reply => undef,
		2989	tooltip => "Shows your resistances",
		2990	},
		2991	"c/pets" => {
		2992	id => "infobox",
		2993	title => "Pets",
		2994	reply => undef,
		2995	tooltip => "Shows information abotu your pets/a specific pet",
		2996	},
		2997	"c/perceiveself" => {
		2998	id => "infobox",
		2999	title => "Perceive Self",
		3000	reply => undef,
		3001	tooltip => "You gained detailed knowledge about yourself",
		3002	},
		3003	"c/uptime" => {
		3004	id => "infobox",
		3005	title => "Uptime",
		3006	reply => undef,
		3007	tooltip => "How long the server has been running since last restart",
		3008	},
		3009	"c/mapinfo" => {
		3010	id => "infobox",
		3011	title => "Map Info",
		3012	reply => undef,
		3013	tooltip => "Information related to the maps",
		3014	},
		3015	"c/party" => {
		3016	id => "party",
		3017	title => "Party",
		3018	reply => "gsay ",
		3019	tooltip => "Messages and chat related to your party",
		3020	},
		3021	"c/death" => {
		3022	id => "death",
		3023	title => "Death",
		3024	reply => undef,
		3025	tooltip => "Reason for and more info about your most recent death",
		3026	},
		3027	"c/say" => $SAY_CHANNEL,
		3028	"c/chat" => $CHAT_CHANNEL,
		3029	);
		3030
		3031	sub cf::client::send_msg {
		3032	my ($self, $channel, $msg, $color, @extra) = @_;
		3033
		3034	$msg = $self->pl->expand_cfpod ($msg)
		3035	unless $color & cf::NDI_VERBATIM;
		3036
		3037	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3038
		3039	# check predefined channels, for the benefit of C
		3040	if ($CHANNEL{$channel}) {
		3041	$channel = $CHANNEL{$channel};
		3042
		3043	$self->ext_msg (channel_info => $channel);
		3044	$channel = $channel->{id};
		3045
		3046	} elsif (ref $channel) {
		3047	# send meta info to client, if not yet sent
		3048	unless (exists $self->{channel}{$channel->{id}}) {
		3049	$self->{channel}{$channel->{id}} = $channel;
		3050	$self->ext_msg (channel_info => $channel);
		3051	}
		3052
		3053	$channel = $channel->{id};
		3054	}
		3055
		3056	return unless @extra || length $msg;
		3057
		3058	# default colour, mask it out
		3059	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3060	if $color & cf::NDI_DEF;
		3061
		3062	my $pkt = "msg "
		3063	. $self->{json_coder}->encode (
		3064	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3065	);
		3066
		3067	$self->send_big_packet ($pkt);
		3068	}
		3069
		3070	=item $client->ext_msg ($type, @msg)
		3071
		3072	Sends an ext event to the client.
		3073
		3074	=cut
		3075
		3076	sub cf::client::ext_msg($$@) {
		3077	my ($self, $type, @msg) = @_;
		3078
		3079	if ($self->extcmd == 2) {
		3080	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3081	} elsif ($self->extcmd == 1) { # TODO: remove
		3082	push @msg, msgtype => "event_$type";
		3083	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3084	}
		3085	}
		3086
		3087	=item $client->ext_reply ($msgid, @msg)
		3088
		3089	Sends an ext reply to the client.
		3090
		3091	=cut
		3092
		3093	sub cf::client::ext_reply($$@) {
		3094	my ($self, $id, @msg) = @_;
		3095
		3096	if ($self->extcmd == 2) {
		3097	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3098	} elsif ($self->extcmd == 1) {
		3099	#TODO: version 1, remove
		3100	unshift @msg, msgtype => "reply", msgid => $id;
		3101	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3102	}
		3103	}
1978		3104
1979	=item $success = $client->query ($flags, "text", \&cb)	3105	=item $success = $client->query ($flags, "text", \&cb)
1980		3106
1981	Queues a query to the client, calling the given callback with	3107	Queues a query to the client, calling the given callback with
1982	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3108	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1983	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3109	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		3110
1985	Queries can fail, so check the return code. Or don't, as queries will become	3111	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	3112	become reliable at some point in the future.
1987		3113
1988	=cut	3114	=cut
1989		3115
1990	sub cf::client::query {	3116	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	3117	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	3125	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3126	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		3127
2002	$self->send_packet ($self->{query_queue}[0][0])	3128	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	3129	if @{ $self->{query_queue} } == 1;
		3130
		3131	1
2004	}	3132	}
2005		3133
2006	cf::client->attach (	3134	cf::client->attach (
		3135	on_connect => sub {
		3136	my ($ns) = @_;
		3137
		3138	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3139	},
2007	on_reply => sub {	3140	on_reply => sub {
2008	my ($ns, $msg) = @_;	3141	my ($ns, $msg) = @_;
2009		3142
2010	# this weird shuffling is so that direct followup queries	3143	# this weird shuffling is so that direct followup queries
2011	# get handled first	3144	# get handled first
…		…
2023	} else {	3156	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3157	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	3158	}
2026	}	3159	}
2027	},	3160	},
		3161	on_exticmd => sub {
		3162	my ($ns, $buf) = @_;
		3163
		3164	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3165
		3166	if (ref $msg) {
		3167	my ($type, $reply, @payload) =
		3168	"ARRAY" eq ref $msg
		3169	? @$msg
		3170	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3171
		3172	my @reply;
		3173
		3174	if (my $cb = $EXTICMD{$type}) {
		3175	@reply = $cb->($ns, @payload);
		3176	}
		3177
		3178	$ns->ext_reply ($reply, @reply)
		3179	if $reply;
		3180
		3181	} else {
		3182	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3183	}
		3184
		3185	cf::override;
		3186	},
2028	);	3187	);
2029		3188
2030	=item $client->async (\&cb)	3189	=item $client->async (\&cb)
2031		3190
2032	Create a new coroutine, running the specified callback. The coroutine will	3191	Create a new coroutine, running the specified callback. The coroutine will
…		…
2048		3207
2049	$coro	3208	$coro
2050	}	3209	}
2051		3210
2052	cf::client->attach (	3211	cf::client->attach (
2053	on_destroy => sub {	3212	on_client_destroy => sub {
2054	my ($ns) = @_;	3213	my ($ns) = @_;
2055		3214
2056	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3215	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2057	},	3216	},
2058	);	3217	);
…		…
2073	our $safe = new Safe "safe";	3232	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	3233	our $safe_hole = new Safe::Hole;
2075		3234
2076	$SIG{FPE} = 'IGNORE';	3235	$SIG{FPE} = 'IGNORE';
2077		3236
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3237	$safe->permit_only (Opcode::opset qw(
		3238	:base_core :base_mem :base_orig :base_math :base_loop
		3239	grepstart grepwhile mapstart mapwhile
		3240	sort time
		3241	));
2079		3242
2080	# here we export the classes and methods available to script code	3243	# here we export the classes and methods available to script code
2081		3244
2082	=pod	3245	=pod
2083		3246
2084	The following fucntions and emthods are available within a safe environment:	3247	The following functions and methods are available within a safe environment:
2085		3248
2086	cf::object contr pay_amount pay_player map	3249	cf::object
		3250	contr pay_amount pay_player map x y force_find force_add destroy
		3251	insert remove name archname title slaying race decrease split
		3252	value
		3253
2087	cf::object::player player	3254	cf::object::player
2088	cf::player peaceful	3255	player
2089	cf::map trigger	3256
		3257	cf::player
		3258	peaceful
		3259
		3260	cf::map
		3261	trigger
2090		3262
2091	=cut	3263	=cut
2092		3264
2093	for (	3265	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	3266	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3267	insert remove inv nrof name archname title slaying race
		3268	decrease split destroy change_exp value msg lore send_msg)],
2095	["cf::object::player" => qw(player)],	3269	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	3270	["cf::player" => qw(peaceful send_msg)],
2097	["cf::map" => qw(trigger)],	3271	["cf::map" => qw(trigger)],
2098	) {	3272	) {
2099	no strict 'refs';	3273	no strict 'refs';
2100	my ($pkg, @funs) = @$_;	3274	my ($pkg, @funs) = @$_;
2101	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3275	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2119		3293
2120	my $qcode = $code;	3294	my $qcode = $code;
2121	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3295	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2122	$qcode =~ s/\n/\\n/g;	3296	$qcode =~ s/\n/\\n/g;
2123		3297
		3298	%vars = (_dummy => 0) unless %vars;
		3299
		3300	my @res;
2124	local $_;	3301	local $_;
2125	local @safe::cf::_safe_eval_args = values %vars;
2126		3302
2127	my $eval =	3303	my $eval =
2128	"do {\n"	3304	"do {\n"
2129	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3305	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2130	. "#line 0 \"{$qcode}\"\n"	3306	. "#line 0 \"{$qcode}\"\n"
2131	. $code	3307	. $code
2132	. "\n}"	3308	. "\n}"
2133	;	3309	;
2134		3310
		3311	if ($CFG{safe_eval}) {
2135	sub_generation_inc;	3312	sub_generation_inc;
		3313	local @safe::cf::_safe_eval_args = values %vars;
2136	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3314	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2137	sub_generation_inc;	3315	sub_generation_inc;
		3316	} else {
		3317	local @cf::_safe_eval_args = values %vars;
		3318	@res = wantarray ? eval eval : scalar eval $eval;
		3319	}
2138		3320
2139	if ($@) {	3321	if ($@) {
2140	warn "$@";	3322	warn "$@",
2141	warn "while executing safe code '$code'\n";	3323	"while executing safe code '$code'\n",
2142	warn "with arguments " . (join " ", %vars) . "\n";	3324	"with arguments " . (join " ", %vars) . "\n";
2143	}	3325	}
2144		3326
2145	wantarray ? @res : $res[0]	3327	wantarray ? @res : $res[0]
2146	}	3328	}
2147		3329
…		…
2161	=cut	3343	=cut
2162		3344
2163	sub register_script_function {	3345	sub register_script_function {
2164	my ($fun, $cb) = @_;	3346	my ($fun, $cb) = @_;
2165		3347
2166	no strict 'refs';	3348	$fun = "safe::$fun" if $CFG{safe_eval};
2167	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3349	*$fun = $safe_hole->wrap ($cb);
2168	}	3350	}
2169		3351
2170	=back	3352	=back
2171		3353
2172	=cut	3354	=cut
2173
2174	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.
2184
2185	=over 4
2186
2187	=item $hashref = cf::db_get $family
2188
2189	Return a hashref for use by the extension C<$family>, which can be
2190	modified. After modifications, you have to call C<cf::db_dirty> or
2191	C<cf::db_sync>.
2192
2193	=item $value = cf::db_get $family => $key
2194
2195	Returns a single value from the database
2196
2197	=item cf::db_put $family => $hashref
2198
2199	Stores the given family hashref into the database. Updates are delayed, if
2200	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2201
2202	=item cf::db_put $family => $key => $value
2203
2204	Stores the given C<$value> in the family hash. Updates are delayed, if you
2205	want the data to be synced to disk immediately, use C<cf::db_sync>.
2206
2207	=item cf::db_dirty
2208
2209	Marks the database as dirty, to be updated at a later time.
2210
2211	=item cf::db_sync
2212
2213	Immediately write the database to disk I<if it is dirty>.
2214
2215	=cut
2216
2217	our $DB;
2218
2219	{
2220	my $path = cf::localdir . "/database.pst";
2221
2222	sub db_load() {
2223	$DB = stat $path ? Storable::retrieve $path : { };
2224	}
2225
2226	my $pid;
2227
2228	sub db_save() {
2229	waitpid $pid, 0 if $pid;
2230	if (0 == ($pid = fork)) {
2231	$DB->{_meta}{version} = 1;
2232	Storable::nstore $DB, "$path~";
2233	rename "$path~", $path;
2234	cf::_exit 0 if defined $pid;
2235	}
2236	}
2237
2238	my $dirty;
2239
2240	sub db_sync() {
2241	db_save if $dirty;
2242	undef $dirty;
2243	}
2244
2245	my $idle = Event->idle (
2246	reentrant => 0,
2247	min => 10,
2248	max => 20,
2249	repeat => 0,
2250	data => WF_AUTOCANCEL,
2251	cb => \&db_sync,
2252	);
2253
2254	sub db_dirty() {
2255	$dirty = 1;
2256	$idle->start;
2257	}
2258
2259	sub db_get($;$) {
2260	@_ >= 2
2261	? $DB->{$_[0]}{$_[1]}
2262	: ($DB->{$_[0]} ||= { })
2263	}
2264
2265	sub db_put($$;$) {
2266	if (@_ >= 3) {
2267	$DB->{$_[0]}{$_[1]} = $_[2];
2268	} else {
2269	$DB->{$_[0]} = $_[1];
2270	}
2271	db_dirty;
2272	}
2273
2274	cf::global->attach (
2275	prio => 10000,
2276	on_cleanup => sub {
2277	db_sync;
2278	},
2279	);
2280	}
2281		3355
2282	#############################################################################	3356	#############################################################################
2283	# the server's init and main functions	3357	# the server's init and main functions
2284		3358
		3359	sub load_facedata($) {
		3360	my ($path) = @_;
		3361
		3362	# HACK to clear player env face cache, we need some signal framework
		3363	# for this (global event?)
		3364	%ext::player_env::MUSIC_FACE_CACHE = ();
		3365
		3366	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3367
		3368	trace "loading facedata from $path\n";
		3369
		3370	my $facedata;
		3371	0 < aio_load $path, $facedata
		3372	or die "$path: $!";
		3373
		3374	$facedata = Coro::Storable::thaw $facedata;
		3375
		3376	$facedata->{version} == 2
		3377	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3378
		3379	# patch in the exptable
		3380	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3381	$facedata->{resource}{"res/exp_table"} = {
		3382	type => FT_RSRC,
		3383	data => $exp_table,
		3384	hash => (Digest::MD5::md5 $exp_table),
		3385	};
		3386	cf::cede_to_tick;
		3387
		3388	{
		3389	my $faces = $facedata->{faceinfo};
		3390
		3391	while (my ($face, $info) = each %$faces) {
		3392	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3393
		3394	cf::face::set_visibility $idx, $info->{visibility};
		3395	cf::face::set_magicmap $idx, $info->{magicmap};
		3396	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3397	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3398
		3399	cf::cede_to_tick;
		3400	}
		3401
		3402	while (my ($face, $info) = each %$faces) {
		3403	next unless $info->{smooth};
		3404
		3405	my $idx = cf::face::find $face
		3406	or next;
		3407
		3408	if (my $smooth = cf::face::find $info->{smooth}) {
		3409	cf::face::set_smooth $idx, $smooth;
		3410	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3411	} else {
		3412	error "smooth face '$info->{smooth}' not found for face '$face'";
		3413	}
		3414
		3415	cf::cede_to_tick;
		3416	}
		3417	}
		3418
		3419	{
		3420	my $anims = $facedata->{animinfo};
		3421
		3422	while (my ($anim, $info) = each %$anims) {
		3423	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3424	cf::cede_to_tick;
		3425	}
		3426
		3427	cf::anim::invalidate_all; # d'oh
		3428	}
		3429
		3430	{
		3431	my $res = $facedata->{resource};
		3432
		3433	while (my ($name, $info) = each %$res) {
		3434	if (defined $info->{type}) {
		3435	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3436
		3437	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3438	cf::face::set_type $idx, $info->{type};
		3439	} else {
		3440	$RESOURCE{$name} = $info; # unused
		3441	}
		3442
		3443	cf::cede_to_tick;
		3444	}
		3445	}
		3446
		3447	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3448
		3449	1
		3450	}
		3451
		3452	register_exticmd fx_want => sub {
		3453	my ($ns, $want) = @_;
		3454
		3455	while (my ($k, $v) = each %$want) {
		3456	$ns->fx_want ($k, $v);
		3457	}
		3458	};
		3459
2285	sub load_resources {	3460	sub load_resource_file($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3461	my $guard = lock_acquire "load_resource_file";
		3462
		3463	my $status = load_resource_file_ $_[0];
		3464	get_slot 0.1, 100;
		3465	cf::arch::commit_load;
		3466
		3467	$status
		3468	}
		3469
		3470	sub reload_regions {
		3471	# HACK to clear player env face cache, we need some signal framework
		3472	# for this (global event?)
		3473	%ext::player_env::MUSIC_FACE_CACHE = ();
		3474
		3475	load_resource_file "$MAPDIR/regions"
2287	or die "unable to load regions file\n";#d#	3476	or die "unable to load regions file\n";
2288	}
2289		3477
2290	sub cfg_load {	3478	for (cf::region::list) {
		3479	$_->{match} = qr/$_->{match}/
		3480	if exists $_->{match};
		3481	}
		3482	}
		3483
		3484	sub reload_facedata {
		3485	load_facedata "$DATADIR/facedata"
		3486	or die "unable to load facedata\n";
		3487	}
		3488
		3489	sub reload_archetypes {
		3490	load_resource_file "$DATADIR/archetypes"
		3491	or die "unable to load archetypes\n";
		3492	}
		3493
		3494	sub reload_treasures {
		3495	load_resource_file "$DATADIR/treasures"
		3496	or die "unable to load treasurelists\n";
		3497	}
		3498
		3499	sub reload_sound {
		3500	trace "loading sound config from $DATADIR/sound\n";
		3501
		3502	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3503	or die "$DATADIR/sound $!";
		3504
		3505	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3506
		3507	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3508	my $sound = $soundconf->{compat}[$_]
		3509	or next;
		3510
		3511	my $face = cf::face::find "sound/$sound->[1]";
		3512	cf::sound::set $sound->[0] => $face;
		3513	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3514	}
		3515
		3516	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3517	my $face = cf::face::find "sound/$v";
		3518	cf::sound::set $k => $face;
		3519	}
		3520	}
		3521
		3522	sub reload_resources {
		3523	trace "reloading resource files...\n";
		3524
		3525	reload_facedata;
		3526	reload_sound;
		3527	reload_archetypes;
		3528	reload_regions;
		3529	reload_treasures;
		3530
		3531	trace "finished reloading resource files\n";
		3532	}
		3533
		3534	sub reload_config {
		3535	trace "reloading config file...\n";
		3536
2291	open my $fh, "<:utf8", cf::confdir . "/config"	3537	open my $fh, "<:utf8", "$CONFDIR/config"
2292	or return;	3538	or return;
2293		3539
2294	local $/;	3540	local $/;
2295	*CFG = YAML::Syck::Load <$fh>;	3541	*CFG = YAML::XS::Load scalar <$fh>;
2296		3542
2297	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3543	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2298		3544
2299	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3545	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2300	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3546	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2301		3547
2302	if (exists $CFG{mlockall}) {	3548	if (exists $CFG{mlockall}) {
…		…
2304	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3550	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2305	and die "WARNING: m(un)lockall failed: $!\n";	3551	and die "WARNING: m(un)lockall failed: $!\n";
2306	};	3552	};
2307	warn $@ if $@;	3553	warn $@ if $@;
2308	}	3554	}
2309	}
2310		3555
2311	sub init {	3556	trace "finished reloading resource files\n";
2312	load_resources;	3557	}
		3558
		3559	sub pidfile() {
		3560	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3561	or die "$PIDFILE: $!";
		3562	flock $fh, &Fcntl::LOCK_EX
		3563	or die "$PIDFILE: flock: $!";
		3564	$fh
		3565	}
		3566
		3567	# make sure only one server instance is running at any one time
		3568	sub atomic {
		3569	my $fh = pidfile;
		3570
		3571	my $pid = <$fh>;
		3572	kill 9, $pid if $pid > 0;
		3573
		3574	seek $fh, 0, 0;
		3575	print $fh $$;
		3576	}
		3577
		3578	sub main_loop {
		3579	trace "EV::loop starting\n";
		3580	if (1) {
		3581	EV::loop;
		3582	}
		3583	trace "EV::loop returned\n";
		3584	goto &main_loop unless $REALLY_UNLOOP;
2313	}	3585	}
2314		3586
2315	sub main {	3587	sub main {
		3588	cf::init_globals; # initialise logging
		3589
		3590	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3591	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3592	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3593	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3594
		3595	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3596
2316	# we must not ever block the main coroutine	3597	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	3598	local $Coro::idle = sub {
2318	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3599	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2319	(async {	3600	(async {
2320	Event::one_event;	3601	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3602	EV::loop EV::LOOP_ONESHOT;
2321	})->prio (Coro::PRIO_MAX);	3603	})->prio (Coro::PRIO_MAX);
2322	};	3604	};
2323		3605
2324	cfg_load;	3606	evthread_start IO::AIO::poll_fileno;
2325	db_load;	3607
		3608	cf::sync_job {
		3609	cf::init_experience;
		3610	cf::init_anim;
		3611	cf::init_attackmess;
		3612	cf::init_dynamic;
		3613
		3614	cf::load_settings;
		3615	cf::load_materials;
		3616
		3617	reload_resources;
		3618	reload_config;
		3619	db_init;
		3620
		3621	cf::init_uuid;
		3622	cf::init_signals;
		3623	cf::init_skills;
		3624
		3625	cf::init_beforeplay;
		3626
		3627	atomic;
		3628
2326	load_extensions;	3629	load_extensions;
2327		3630
2328	$TICK_WATCHER->start;	3631	utime time, time, $RUNTIMEFILE;
2329	Event::loop;	3632
		3633	# no (long-running) fork's whatsoever before this point(!)
		3634	use POSIX ();
		3635	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3636
		3637	(pop @POST_INIT)->(0) while @POST_INIT;
		3638	};
		3639
		3640	cf::object::thawer::errors_are_fatal 0;
		3641	info "parse errors in files are no longer fatal from this point on.\n";
		3642
		3643	main_loop;
2330	}	3644	}
2331		3645
2332	#############################################################################	3646	#############################################################################
2333	# initialisation and cleanup	3647	# initialisation and cleanup
2334		3648
2335	# install some emergency cleanup handlers	3649	# install some emergency cleanup handlers
2336	BEGIN {	3650	BEGIN {
		3651	our %SIGWATCHER = ();
2337	for my $signal (qw(INT HUP TERM)) {	3652	for my $signal (qw(INT HUP TERM)) {
2338	Event->signal (	3653	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2339	reentrant => 0,
2340	data => WF_AUTOCANCEL,
2341	signal => $signal,
2342	prio => 0,
2343	cb => sub {
2344	cf::cleanup "SIG$signal";	3654	cf::cleanup "SIG$signal";
2345	},
2346	);	3655	};
		3656	}
		3657	}
		3658
		3659	sub write_runtime_sync {
		3660	my $t0 = AE::time;
		3661
		3662	# first touch the runtime file to show we are still running:
		3663	# the fsync below can take a very very long time.
		3664
		3665	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3666
		3667	my $guard = cf::lock_acquire "write_runtime";
		3668
		3669	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3670	or return;
		3671
		3672	my $value = $cf::RUNTIME + 90 + 10;
		3673	# 10 is the runtime save interval, for a monotonic clock
		3674	# 60 allows for the watchdog to kill the server.
		3675
		3676	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3677	and return;
		3678
		3679	# always fsync - this file is important
		3680	aio_fsync $fh
		3681	and return;
		3682
		3683	# touch it again to show we are up-to-date
		3684	aio_utime $fh, undef, undef;
		3685
		3686	close $fh
		3687	or return;
		3688
		3689	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3690	and return;
		3691
		3692	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3693
2347	}	3694	1
		3695	}
		3696
		3697	our $uuid_lock;
		3698	our $uuid_skip;
		3699
		3700	sub write_uuid_sync($) {
		3701	$uuid_skip ||= $_[0];
		3702
		3703	return if $uuid_lock;
		3704	local $uuid_lock = 1;
		3705
		3706	my $uuid = "$LOCALDIR/uuid";
		3707
		3708	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3709	or return;
		3710
		3711	my $value = uuid_seq uuid_cur;
		3712
		3713	unless ($value) {
		3714	info "cowardly refusing to write zero uuid value!\n";
		3715	return;
		3716	}
		3717
		3718	my $value = uuid_str $value + $uuid_skip;
		3719	$uuid_skip = 0;
		3720
		3721	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3722	and return;
		3723
		3724	# always fsync - this file is important
		3725	aio_fsync $fh
		3726	and return;
		3727
		3728	close $fh
		3729	or return;
		3730
		3731	aio_rename "$uuid~", $uuid
		3732	and return;
		3733
		3734	trace "uuid file written ($value).\n";
		3735
		3736	1
		3737
		3738	}
		3739
		3740	sub write_uuid($$) {
		3741	my ($skip, $sync) = @_;
		3742
		3743	$sync ? write_uuid_sync $skip
		3744	: async { write_uuid_sync $skip };
2348	}	3745	}
2349		3746
2350	sub emergency_save() {	3747	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	3748	my $freeze_guard = cf::freeze_mainloop;
2352		3749
2353	warn "enter emergency perl save\n";	3750	info "emergency_perl_save: enter\n";
2354		3751
2355	cf::sync_job {	3752	cf::sync_job {
		3753	# this is a trade-off: we want to be very quick here, so
		3754	# save all maps without fsync, and later call a global sync
		3755	# (which in turn might be very very slow)
		3756	local $USE_FSYNC = 0;
		3757
2356	# use a peculiar iteration method to avoid tripping on perl	3758	# use a peculiar iteration method to avoid tripping on perl
2357	# refcount bugs in for. also avoids problems with players	3759	# refcount bugs in for. also avoids problems with players
2358	# and maps saved/destroyed asynchronously.	3760	# and maps saved/destroyed asynchronously.
2359	warn "begin emergency player save\n";	3761	info "emergency_perl_save: begin player save\n";
2360	for my $login (keys %cf::PLAYER) {	3762	for my $login (keys %cf::PLAYER) {
2361	my $pl = $cf::PLAYER{$login} or next;	3763	my $pl = $cf::PLAYER{$login} or next;
2362	$pl->valid or next;	3764	$pl->valid or next;
		3765	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2363	$pl->save;	3766	$pl->save;
2364	}	3767	}
2365	warn "end emergency player save\n";	3768	info "emergency_perl_save: end player save\n";
2366		3769
2367	warn "begin emergency map save\n";	3770	info "emergency_perl_save: begin map save\n";
2368	for my $path (keys %cf::MAP) {	3771	for my $path (keys %cf::MAP) {
2369	my $map = $cf::MAP{$path} or next;	3772	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	3773	$map->valid or next;
2371	$map->save;	3774	$map->save;
2372	}	3775	}
2373	warn "end emergency map save\n";	3776	info "emergency_perl_save: end map save\n";
		3777
		3778	info "emergency_perl_save: begin database checkpoint\n";
		3779	BDB::db_env_txn_checkpoint $DB_ENV;
		3780	info "emergency_perl_save: end database checkpoint\n";
		3781
		3782	info "emergency_perl_save: begin write uuid\n";
		3783	write_uuid_sync 1;
		3784	info "emergency_perl_save: end write uuid\n";
2374	};	3785	};
2375		3786
2376	warn "leave emergency perl save\n";	3787	info "emergency_perl_save: starting sync()\n";
2377	}	3788	IO::AIO::aio_sync sub {
		3789	info "emergency_perl_save: finished sync()\n";
		3790	};
2378		3791
		3792	info "emergency_perl_save: leave\n";
		3793	}
		3794
		3795	sub post_cleanup {
		3796	my ($make_core) = @_;
		3797
		3798	error Carp::longmess "post_cleanup backtrace"
		3799	if $make_core;
		3800
		3801	my $fh = pidfile;
		3802	unlink $PIDFILE if <$fh> == $$;
		3803	}
		3804
		3805	# a safer delete_package, copied from Symbol
		3806	sub clear_package($) {
		3807	my $pkg = shift;
		3808
		3809	# expand to full symbol table name if needed
		3810	unless ($pkg =~ /^main::.*::$/) {
		3811	$pkg = "main$pkg" if $pkg =~ /^::/;
		3812	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3813	$pkg .= '::' unless $pkg =~ /::$/;
		3814	}
		3815
		3816	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3817	my $stem_symtab = *{$stem}{HASH};
		3818
		3819	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3820	or return;
		3821
		3822	# clear all symbols
		3823	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3824	for my $name (keys %$leaf_symtab) {
		3825	_gv_clear *{"$pkg$name"};
		3826	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3827	}
		3828	}
		3829
2379	sub reload() {	3830	sub do_reload_perl() {
2380	# can/must only be called in main	3831	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	3832	if (in_main) {
2382	warn "can only reload from main coroutine";	3833	error "can only reload from main coroutine";
2383	return;	3834	return;
2384	}	3835	}
2385		3836
		3837	return if $RELOAD++;
		3838
		3839	my $t1 = AE::time;
		3840
		3841	while ($RELOAD) {
2386	warn "reloading...";	3842	info "reloading...";
2387		3843
2388	warn "cancelling server ticker";	3844	trace "entering sync_job";
2389	$TICK_WATCHER->cancel;
2390		3845
		3846	cf::sync_job {
		3847	cf::write_runtime_sync; # external watchdog should not bark
2391	cf::emergency_save;	3848	cf::emergency_save;
		3849	cf::write_runtime_sync; # external watchdog should not bark
2392		3850
2393	eval {	3851	trace "syncing database to disk";
		3852	BDB::db_env_txn_checkpoint $DB_ENV;
		3853
2394	# if anything goes wrong in here, we should simply crash as we already saved	3854	# if anything goes wrong in here, we should simply crash as we already saved
2395		3855
2396	warn "syncing database to disk";
2397	cf::db_sync;
2398
2399	warn "cancelling all WF_AUTOCANCEL watchers";
2400	for (Event::all_watchers) {
2401	$_->cancel if $_->data & WF_AUTOCANCEL;
2402	}
2403
2404	warn "flushing outstanding aio requests";	3856	trace "flushing outstanding aio requests";
2405	for (;;) {	3857	while (IO::AIO::nreqs || BDB::nreqs) {
2406	IO::AIO::flush;	3858	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2407	Coro::cede;
2408	last unless IO::AIO::nreqs;
2409	warn "iterate...";
2410	}
2411
2412	warn "cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();
2415
2416	warn "removing commands";
2417	%COMMAND = ();
2418
2419	warn "removing ext commands";
2420	%EXTCMD = ();
2421
2422	warn "unloading/nuking all extensions";
2423	for my $pkg (@EXTS) {
2424	warn "... unloading $pkg";
2425
2426	if (my $cb = $pkg->can ("unload")) {
2427	eval {
2428	$cb->($pkg);
2429	1
2430	} or warn "$pkg unloaded, but with errors: $@";
2431	}	3859	}
2432		3860
2433	warn "... nuking $pkg";	3861	trace "cancelling all extension coros";
2434	Symbol::delete_package $pkg;	3862	$_->cancel for values %EXT_CORO;
2435	}	3863	%EXT_CORO = ();
2436		3864
2437	warn "unloading all perl modules loaded from $LIBDIR";	3865	trace "removing commands";
2438	while (my ($k, $v) = each %INC) {	3866	%COMMAND = ();
2439	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2440		3867
		3868	trace "removing ext/exti commands";
		3869	%EXTCMD = ();
		3870	%EXTICMD = ();
		3871
		3872	trace "unloading/nuking all extensions";
		3873	for my $pkg (@EXTS) {
2441	warn "... unloading $k";	3874	trace "... unloading $pkg";
2442	delete $INC{$k};
2443		3875
2444	$k =~ s/\.pm$//;
2445	$k =~ s/\//::/g;
2446
2447	if (my $cb = $k->can ("unload_module")) {	3876	if (my $cb = $pkg->can ("unload")) {
		3877	eval {
2448	$cb->();	3878	$cb->($pkg);
		3879	1
		3880	} or error "$pkg unloaded, but with errors: $@";
		3881	}
		3882
		3883	trace "... clearing $pkg";
		3884	clear_package $pkg;
2449	}	3885	}
2450		3886
2451	Symbol::delete_package $k;	3887	trace "unloading all perl modules loaded from $LIBDIR";
		3888	while (my ($k, $v) = each %INC) {
		3889	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3890
		3891	trace "... unloading $k";
		3892	delete $INC{$k};
		3893
		3894	$k =~ s/\.pm$//;
		3895	$k =~ s/\//::/g;
		3896
		3897	if (my $cb = $k->can ("unload_module")) {
		3898	$cb->();
		3899	}
		3900
		3901	clear_package $k;
2452	}	3902	}
2453		3903
2454	warn "getting rid of safe::, as good as possible";	3904	trace "getting rid of safe::, as good as possible";
2455	Symbol::delete_package "safe::$_"	3905	clear_package "safe::$_"
2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3906	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2457		3907
2458	warn "unloading cf.pm \"a bit\"";	3908	trace "unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	3909	delete $INC{"cf.pm"};
		3910	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2460		3911
2461	# don't, removes xs symbols, too,	3912	# don't, removes xs symbols, too,
2462	# and global variables created in xs	3913	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	3914	#clear_package __PACKAGE__;
2464		3915
2465	warn "unload completed, starting to reload now";	3916	info "unload completed, starting to reload now";
2466		3917
2467	warn "reloading cf.pm";	3918	trace "reloading cf.pm";
2468	require cf;	3919	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3920	cf::_connect_to_perl_1;
2470		3921
2471	warn "loading config and database again";	3922	trace "loading config and database again";
2472	cf::cfg_load;	3923	cf::reload_config;
2473	cf::db_load;
2474		3924
2475	warn "loading extensions";	3925	trace "loading extensions";
2476	cf::load_extensions;	3926	cf::load_extensions;
2477		3927
		3928	if ($REATTACH_ON_RELOAD) {
2478	warn "reattaching attachments to objects/players";	3929	trace "reattaching attachments to objects/players";
2479	_global_reattach;	3930	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	3931	trace "reattaching attachments to maps";
2481	reattach $_ for values %MAP;	3932	reattach $_ for values %MAP;
		3933	trace "reattaching attachments to players";
		3934	reattach $_ for values %PLAYER;
		3935	}
2482		3936
2483	warn "loading reloadable resources";	3937	trace "running post_init jobs";
2484	load_resources;	3938	(pop @POST_INIT)->(1) while @POST_INIT;
2485		3939
2486	warn "restarting server ticker";	3940	trace "leaving sync_job";
2487		3941
2488	$TICK_WATCHER->start;	3942	1
		3943	} or do {
		3944	error $@;
		3945	cf::cleanup "error while reloading, exiting.";
		3946	};
		3947
		3948	info "reloaded";
		3949	--$RELOAD;
		3950	}
		3951
		3952	$t1 = AE::time - $t1;
		3953	info "reload completed in ${t1}s\n";
		3954	};
		3955
		3956	our $RELOAD_WATCHER; # used only during reload
		3957
		3958	sub reload_perl() {
		3959	# doing reload synchronously and two reloads happen back-to-back,
		3960	# coro crashes during coro_state_free->destroy here.
		3961
		3962	$RELOAD_WATCHER ||= cf::async {
		3963	Coro::AIO::aio_wait cache_extensions;
		3964
		3965	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3966	do_reload_perl;
		3967	undef $RELOAD_WATCHER;
		3968	};
2489	};	3969	};
2490		3970	}
2491	if ($@) {
2492	warn $@;
2493	warn "error while reloading, exiting.";
2494	exit 1;
2495	}
2496
2497	warn "reloaded";
2498	};
2499
2500	our $RELOAD_WATCHER; # used only during reload
2501		3971
2502	register_command "reload" => sub {	3972	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	3973	my ($who, $arg) = @_;
2504		3974
2505	if ($who->flag (FLAG_WIZ)) {	3975	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	3976	$who->message ("reloading server.");
2507		3977	async {
2508	# doing reload synchronously and two reloads happen back-to-back,	3978	$Coro::current->{desc} = "perl_reload";
2509	# coro crashes during coro_state_free->destroy here.
2510
2511	$RELOAD_WATCHER ||= Event->timer (
2512	reentrant => 0,
2513	after => 0,
2514	data => WF_AUTOCANCEL,
2515	cb => sub {
2516	reload;	3979	reload_perl;
2517	undef $RELOAD_WATCHER;
2518	},
2519	);	3980	};
2520	}	3981	}
2521	};	3982	};
2522		3983
2523	unshift @INC, $LIBDIR;	3984	unshift @INC, $LIBDIR;
2524		3985
2525	my $bug_warning = 0;	3986	my $bug_warning = 0;
2526		3987
2527	$TICK_WATCHER = Event->timer (	3988	our @WAIT_FOR_TICK;
2528	reentrant => 0,	3989	our @WAIT_FOR_TICK_BEGIN;
2529	parked => 1,	3990
2530	prio => 0,	3991	sub wait_for_tick {
2531	at => $NEXT_TICK || $TICK,	3992	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2532	data => WF_AUTOCANCEL,	3993
2533	cb => sub {	3994	my $signal = new Coro::Signal;
		3995	push @WAIT_FOR_TICK, $signal;
		3996	$signal->wait;
		3997	}
		3998
		3999	sub wait_for_tick_begin {
		4000	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4001
		4002	my $signal = new Coro::Signal;
		4003	push @WAIT_FOR_TICK_BEGIN, $signal;
		4004	$signal->wait;
		4005	}
		4006
		4007	sub tick {
2534	if ($Coro::current != $Coro::main) {	4008	if ($Coro::current != $Coro::main) {
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4009	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	4010	unless ++$bug_warning > 10;
2537	return;	4011	return;
2538	}	4012	}
2539		4013
2540	$NOW = Event::time;
2541
2542	cf::server_tick; # one server iteration	4014	cf::server_tick; # one server iteration
2543	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;
2545		4015
2546	$WAIT_FOR_TICK->broadcast;	4016	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2548		4017
2549	Event::sweep;	4018	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2550	Coro::cede_notself;	4019	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4020	Coro::async_pool {
		4021	$Coro::current->{desc} = "runtime saver";
		4022	write_runtime_sync
		4023	or error "ERROR: unable to write runtime file: $!";
		4024	};
		4025	}
		4026
		4027	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4028	$sig->send;
		4029	}
		4030	while (my $sig = shift @WAIT_FOR_TICK) {
		4031	$sig->send;
		4032	}
		4033
		4034	$LOAD = ($NOW - $TICK_START) / $TICK;
		4035	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4036
		4037	if (0) {
		4038	if ($NEXT_TICK) {
		4039	my $jitter = $TICK_START - $NEXT_TICK;
		4040	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4041	debug "jitter $JITTER\n";#d#
2551		4042	}
2552	# my $AFTER = Event::time;
2553	# warn $AFTER - $NOW;#d#
2554
2555	# if we are delayed by four ticks or more, skip them all
2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2557
2558	$TICK_WATCHER->at ($NEXT_TICK);
2559	$TICK_WATCHER->start;
2560	},	4043	}
2561	);	4044	}
2562		4045
2563	{	4046	{
2564	BDB::max_poll_time $TICK * 0.1;	4047	# configure BDB
2565	$BDB_POLL_WATCHER = Event->io (	4048
2566	reentrant => 0,
2567	fd => BDB::poll_fileno,
2568	poll => 'r',
2569	prio => 0,
2570	data => WF_AUTOCANCEL,
2571	cb => \&BDB::poll_cb,
2572	);
2573	BDB::min_parallel 8;	4049	BDB::min_parallel 16;
2574		4050	BDB::max_poll_reqs $TICK * 0.1;
2575	BDB::set_sync_prepare {	4051	$AnyEvent::BDB::WATCHER->priority (1);
2576	my $status;
2577	my $current = $Coro::current;
2578	(
2579	sub {
2580	$status = $!;
2581	$current->ready; undef $current;
2582	},
2583	sub {
2584	Coro::schedule while defined $current;
2585	$! = $status;
2586	},
2587	)
2588	};
2589		4052
2590	unless ($DB_ENV) {	4053	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	4054	$DB_ENV = BDB::db_env_create;
		4055	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4056	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4057	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4058	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4059	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2592		4060
		4061	(Coro::async { # async to keep sync_job from complaining
2593	cf::sync_job {	4062	cf::sync_job {
		4063	eval {
2594	BDB::db_env_open	4064	BDB::db_env_open
2595	$DB_ENV,	4065	$DB_ENV,
2596	$BDB_ENV_DIR,	4066	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4067	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4068	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	4069	0666;
2600		4070
2601	cf::cleanup "$!" if $!;	4071	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4072	};
		4073
		4074	cf::cleanup "db_env_open(db): $@" if $@;
		4075	};
		4076	})->join;
		4077	}
		4078
		4079	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4080	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4081	};
		4082	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4083	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4084	};
		4085	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4086	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4087	};
		4088	}
		4089
		4090	{
		4091	# configure IO::AIO
		4092
		4093	IO::AIO::min_parallel 8;
		4094	IO::AIO::max_poll_time $TICK * 0.1;
		4095	undef $AnyEvent::AIO::WATCHER;
		4096	}
		4097
		4098	my $_log_backtrace;
		4099
		4100	sub _log_backtrace {
		4101	my ($msg, @addr) = @_;
		4102
		4103	$msg =~ s/\n//;
		4104
		4105	# limit the # of concurrent backtraces
		4106	if ($_log_backtrace < 2) {
		4107	++$_log_backtrace;
		4108	my $perl_bt = Carp::longmess $msg;
		4109	async {
		4110	$Coro::current->{desc} = "abt $msg";
		4111
		4112	my @bt = fork_call {
		4113	@addr = map { sprintf "%x", $_ } @addr;
		4114	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4115	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4116	or die "addr2line: $!";
		4117
		4118	my @funcs;
		4119	my @res = <$fh>;
		4120	chomp for @res;
		4121	while (@res) {
		4122	my ($func, $line) = splice @res, 0, 2, ();
		4123	push @funcs, "[$func] $line";
2602		4124	}
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	4125
		4126	@funcs
		4127	};
		4128
		4129	LOG llevInfo, "[ABT] $perl_bt\n";
		4130	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4131	LOG llevInfo, "[ABT] $_\n" for @bt;
		4132	--$_log_backtrace;
2604	};	4133	};
2605	}	4134	} else {
2606	}	4135	LOG llevInfo, "[ABT] $msg\n";
2607		4136	LOG llevInfo, "[ABT] [suppressed]\n";
2608	{
2609	IO::AIO::min_parallel 8;
2610
2611	undef $Coro::AIO::WATCHER;
2612	IO::AIO::max_poll_time $TICK * 0.1;
2613	$AIO_POLL_WATCHER = Event->io (
2614	reentrant => 0,
2615	fd => IO::AIO::poll_fileno,
2616	poll => 'r',
2617	prio => 6,
2618	data => WF_AUTOCANCEL,
2619	cb => \&IO::AIO::poll_cb,
2620	);
2621	}
2622
2623	$WRITE_RUNTIME_WATCHER = Event->timer (
2624	reentrant => 0,
2625	data => WF_AUTOCANCEL,
2626	after => 1,
2627	interval => 10,
2628	prio => 6, # keep it lowest so it acts like a watchdog
2629	cb => Coro::unblock_sub {
2630	write_runtime
2631	or warn "ERROR: unable to write runtime file: $!";
2632	},	4137	}
2633	);	4138	}
		4139
		4140	# load additional modules
		4141	require "cf/$_.pm" for @EXTRA_MODULES;
		4142	cf::_connect_to_perl_2;
2634		4143
2635	END { cf::emergency_save }	4144	END { cf::emergency_save }
2636		4145
2637	1	4146	1
2638		4147

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