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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.204 by root, Fri Feb 2 19:59:22 2007 UTC vs.
Revision 1.532 by root, Thu Apr 29 07:32:34 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
12		38
		39	use Guard ();
13	use Coro 3.5 ();	40	use Coro ();
		41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
14	use Coro::Event;	44	use Coro::AnyEvent;
15	use Coro::Timer;	45	use Coro::Timer;
16	use Coro::Signal;	46	use Coro::Signal;
17	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
18	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
19		54
		55	use JSON::XS 2.01 ();
		56	use BDB ();
20	use Data::Dumper;	57	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	58	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
25	use Time::HiRes;	61	use Time::HiRes;
		62	use Compress::LZF;
		63	use Digest::MD5 ();
26		64
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	AnyEvent::detect;
		66
		67	# configure various modules to our taste
		68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		77
		78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		80
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	98	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	121	our $NEXT_TICK;
52	our $NOW;
53	our $USE_FSYNC; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
		126	our $BDB_TRICKLE_WATCHER;
		127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
54		130
55	our %CFG;	131	our %CFG;
56		132
57	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
58	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
59		136
60	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
61	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
62	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
63	our $RANDOM_MAPS = cf::localdir . "/random";
64
65	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
66	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
67		140
68	# 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 ∕
69	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
70		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 $REALLY_UNLOOP; # never set to true, please :)
		153
71	binmode STDOUT;	154	binmode STDOUT;
72	binmode STDERR;	155	binmode STDERR;
73		156
74	# read virtual server time, if available	157	# read virtual server time, if available
75	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
76	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
77	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
78	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
79	}	162	}
80		163
81	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
82	mkdir cf::localdir . "/" . cf::playerdir;	165
83	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
84	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
85	mkdir $RANDOM_MAPS;
86		168
87	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
88		170
89	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::"} };
90		187
91	#############################################################################	188	#############################################################################
92		189
93	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
94		191
…		…
101	=item $cf::RUNTIME	198	=item $cf::RUNTIME
102		199
103	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
104	every server tick.	201	every server tick.
105		202
106	=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
107		206
108	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
109	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.
110		211
111	=item $cf::NOW	212	=item $cf::NOW
112		213
113	The time of the last (current) server tick.	214	The time of the last (current) server tick.
114		215
115	=item $cf::TICK	216	=item $cf::TICK
116		217
117	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
118		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
119	=item %cf::CFG	230	=item %cf::CFG
120		231
121	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
122	from wherever your confdir points to.	233	from wherever your confdir points to.
123		234
124	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
125		236
126	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
127	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
128	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.
129	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.
130		252
131	=back	253	=back
132		254
133	=cut	255	=cut
134		256
135	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
136	*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 {
137	my $msg = join "", @_;	264	my $msg = join "", @_;
138	utf8::encode $msg;
139		265
140	$msg .= "\n"	266	$msg .= "\n"
141	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
142		268
		269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		270
143	LOG llevError, $msg;	271	LOG llevWarn, $msg;
144	};	272	};
145	}	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	};
146		287
147	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
148	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
149	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
150	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
151	@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';
152	@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)
153		295
154	# 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
155	# within the Safe compartment.	297	# within the Safe compartment.
156	for my $pkg (qw(	298	for my $pkg (qw(
157	cf::global cf::attachable	299	cf::global cf::attachable
158	cf::object cf::object::player	300	cf::object cf::object::player
159	cf::client cf::player	301	cf::client cf::player
160	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
161	cf::map cf::party cf::region	304	cf::party cf::region
162	)) {	305	)) {
163	no strict 'refs';
164	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
165	}	307	}
166		308
167	$Event::DIED = sub {	309	$EV::DIED = sub {
168	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
169	};	311	};
		312
		313	#############################################################################
170		314
171	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
172		316
173	=over 4	317	=over 4
174		318
…		…
193	$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;
194	$d	338	$d
195	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
196	}	340	}
197		341
198	use JSON::Syck (); # TODO# replace by JSON::PC once working
199
200	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
201		343
202	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
203		345
204	=cut
205
206	sub from_json($) {
207	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
208	JSON::Syck::Load $_[0]
209	}
210
211	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
212		347
213	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
214		349
215	=cut	350	=cut
216		351
217	sub to_json($) {	352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
218	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	353
219	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;
220	}	369	}
221		370
222	=item cf::lock_wait $string	371	=item cf::lock_wait $string
223		372
224	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
225		374
226	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
227		376
228	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
229	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,
230	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
231	returned.	380	returned.
232		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
233	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
234	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
235		387
236	=cut	388	=item $locked = cf::lock_active $string
237		389
238	our %LOCK;	390	Return true if the lock is currently active, i.e. somebody has locked it.
		391
		392	=cut
		393
		394	our $LOCKS = new Coro::SemaphoreSet;
239		395
240	sub lock_wait($) {	396	sub lock_wait($) {
241	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
242
243	# wait for lock, if any
244	while ($LOCK{$key}) {
245	push @{ $LOCK{$key} }, $Coro::current;
246	Coro::schedule;
247	}
248	}	398	}
249		399
250	sub lock_acquire($) {	400	sub lock_acquire($) {
251	my ($key) = @_;	401	$LOCKS->guard ($_[0])
		402	}
252		403
253	# wait, to be sure we are not locked	404	sub lock_active($) {
254	lock_wait $key;	405	$LOCKS->count ($_[0]) < 1
255
256	$LOCK{$key} = [];
257
258	Coro::guard {
259	# wake up all waiters, to be on the safe side
260	$_->ready for @{ delete $LOCK{$key} };
261	}
262	}	406	}
263		407
264	sub freeze_mainloop {	408	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
266		410
267	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
268	$TICK_WATCHER->start;	412	}
269	$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($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
270	};	478	}
271	$WRITE_RUNTIME_WATCHER->stop;	479	};
272	$TICK_WATCHER->stop;	480
273	$guard	481	sub get_slot($;$$) {
		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	$sig->wait;
274	}	494	}
275		495
276	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
277		497
278	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
283		503
284	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
285		505
286	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
287		507
288	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
289	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
290	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
291		512
292	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
293	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
294	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
295	fast or be very important.	516	fast or be very important.
…		…
298		519
299	sub sync_job(&) {	520	sub sync_job(&) {
300	my ($job) = @_;	521	my ($job) = @_;
301		522
302	if ($Coro::current == $Coro::main) {	523	if ($Coro::current == $Coro::main) {
		524	my $time = AE::time;
		525
303	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
304	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
305		528
306	# TODO: use suspend/resume instead	529	LOG llevError, Carp::longmess "sync job";#d#
307	# (but this is cancel-safe)	530
308	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
309		532
310	my $busy = 1;	533	my $busy = 1;
311	my @res;	534	my @res;
312		535
313	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
314	@res = eval { $job->() };	538	@res = eval { $job->() };
315	warn $@ if $@;	539	error $@ if $@;
316	undef $busy;	540	undef $busy;
317	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
318		542
319	while ($busy) {	543	while ($busy) {
320	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
321	}	548	}
		549	}
		550
		551	my $time = AE::time - $time;
		552
		553	$TICK_START += $time; # do not account sync jobs to server load
322		554
323	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
324	} else {	556	} else {
325	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
326		558
…		…
346	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
347		579
348	$coro	580	$coro
349	}	581	}
350		582
351	sub write_runtime {	583	=item fork_call { }, $args
352	my $runtime = cf::localdir . "/runtime";
353		584
354	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	585	Executes the given code block with the given arguments in a seperate
355	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.
356		589
357	my $value = $cf::RUNTIME + 90 + 10;	590	=cut
358	# 10 is the runtime save interval, for a monotonic clock
359	# 60 allows for the watchdog to kill the server.
360		591
361	(aio_write $fh, 0, (length $value), $value, 0) <= 0	592	sub fork_call(&@) {
362	and return;	593	my ($cb, @args) = @_;
363		594
364	# always fsync - this file is important	595	# we seemingly have to make a local copy of the whole thing,
365	aio_fsync $fh	596	# otherwise perl prematurely frees the stuff :/
366	and return;	597	# TODO: investigate and fix (likely this will be rather laborious)
367		598
368	close $fh	599	my @res = Coro::Util::fork_eval {
369	or return;	600	reset_signals;
		601	&$cb
		602	}, @args;
370		603
371	aio_rename "$runtime~", $runtime	604	wantarray ? @res : $res[-1]
372	and return;	605	}
373		606
		607	sub objinfo {
374	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 });
375	}	781	}
376		782
377	=back	783	=back
378		784
379	=cut	785	=cut
380		786
381	#############################################################################	787	#############################################################################
382		788
383	=head2 ATTACHABLE OBJECTS	789	=head2 ATTACHABLE OBJECTS
384		790
385	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
386	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")
387	to it. All such attachable objects support the following methods.	793	to it. All such attachable objects support the following methods.
388		794
389	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>
390	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
391	crossfire+).	797	Deliantra).
392		798
393	=over 4	799	=over 4
394		800
395	=item $attachable->attach ($attachment, key => $value...)	801	=item $attachable->attach ($attachment, key => $value...)
396		802
…		…
440	=item cf::CLASS::attachment $name, ...	846	=item cf::CLASS::attachment $name, ...
441		847
442	Register an attachment by C<$name> through which attachable objects of the	848	Register an attachment by C<$name> through which attachable objects of the
443	given CLASS can refer to this attachment.	849	given CLASS can refer to this attachment.
444		850
445	Some classes such as crossfire maps and objects can specify attachments	851	Some classes such as deliantra maps and objects can specify attachments
446	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.
447		853
448	These calls expect any number of the following handler/hook descriptions:	854	These calls expect any number of the following handler/hook descriptions:
449		855
450	=over 4	856	=over 4
…		…
559	$registry = $CB_TYPE[$object_type] ||= [];	965	$registry = $CB_TYPE[$object_type] ||= [];
560		966
561	} elsif ($type eq "subtype") {	967	} elsif ($type eq "subtype") {
562	defined $object_type or Carp::croak "subtype specified without type";	968	defined $object_type or Carp::croak "subtype specified without type";
563	my $object_subtype = shift @arg;	969	my $object_subtype = shift @arg;
564	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	970	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
565		971
566	} elsif ($type eq "package") {	972	} elsif ($type eq "package") {
567	my $pkg = shift @arg;	973	my $pkg = shift @arg;
568		974
569	while (my ($name, $id) = each %cb_id) {	975	while (my ($name, $id) = each %cb_id) {
…		…
574		980
575	} elsif (exists $cb_id{$type}) {	981	} elsif (exists $cb_id{$type}) {
576	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	982	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
577		983
578	} elsif (ref $type) {	984	} elsif (ref $type) {
579	warn "attaching objects not supported, ignoring.\n";	985	error "attaching objects not supported, ignoring.\n";
580		986
581	} else {	987	} else {
582	shift @arg;	988	shift @arg;
583	warn "attach argument '$type' not supported, ignoring.\n";	989	error "attach argument '$type' not supported, ignoring.\n";
584	}	990	}
585	}	991	}
586	}	992	}
587		993
588	sub _object_attach {	994	sub _object_attach {
…		…
598	_attach $registry, $klass, @attach;	1004	_attach $registry, $klass, @attach;
599	}	1005	}
600		1006
601	$obj->{$name} = \%arg;	1007	$obj->{$name} = \%arg;
602	} else {	1008	} else {
603	warn "object uses attachment '$name' that is not available, postponing.\n";	1009	info "object uses attachment '$name' which is not available, postponing.\n";
604	}	1010	}
605		1011
606	$obj->{_attachment}{$name} = undef;	1012	$obj->{_attachment}{$name} = undef;
607	}	1013	}
608		1014
…		…
610	if (ref $_[0]) {	1016	if (ref $_[0]) {
611	_object_attach @_;	1017	_object_attach @_;
612	} else {	1018	} else {
613	_attach shift->_attach_registry, @_;	1019	_attach shift->_attach_registry, @_;
614	}	1020	}
		1021	_recalc_want;
615	};	1022	};
616		1023
617	# all those should be optimised	1024	# all those should be optimised
618	sub cf::attachable::detach {	1025	sub cf::attachable::detach {
619	my ($obj, $name) = @_;	1026	my ($obj, $name) = @_;
…		…
622	delete $obj->{_attachment}{$name};	1029	delete $obj->{_attachment}{$name};
623	reattach ($obj);	1030	reattach ($obj);
624	} else {	1031	} else {
625	Carp::croak "cannot, currently, detach class attachments";	1032	Carp::croak "cannot, currently, detach class attachments";
626	}	1033	}
		1034	_recalc_want;
627	};	1035	};
628		1036
629	sub cf::attachable::attached {	1037	sub cf::attachable::attached {
630	my ($obj, $name) = @_;	1038	my ($obj, $name) = @_;
631		1039
…		…
646	";	1054	";
647	die if $@;	1055	die if $@;
648	}	1056	}
649		1057
650	our $override;	1058	our $override;
651	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?
652		1060
653	sub override {	1061	sub override {
654	$override = 1;	1062	$override = 1;
655	@invoke_results = ();	1063	@INVOKE_RESULTS = (@_);
656	}	1064	}
657		1065
658	sub do_invoke {	1066	sub do_invoke {
659	my $event = shift;	1067	my $event = shift;
660	my $callbacks = shift;	1068	my $callbacks = shift;
661		1069
662	@invoke_results = ();	1070	@INVOKE_RESULTS = ();
663		1071
664	local $override;	1072	local $override;
665		1073
666	for (@$callbacks) {	1074	for (@$callbacks) {
667	eval { &{$_->[1]} };	1075	eval { &{$_->[1]} };
668		1076
669	if ($@) {	1077	if ($@) {
670	warn "$@";
671	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1078	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
672	override;	1079	override;
673	}	1080	}
674		1081
675	return 1 if $override;	1082	return 1 if $override;
676	}	1083	}
677		1084
678	0	1085	0
679	}	1086	}
680		1087
681	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1088	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
682		1089
683	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
684		1091
685	Generate an object-specific event with the given arguments.	1092	Generate an object-specific event with the given arguments.
686		1093
687	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
688	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
689	results (if you must, access C<@cf::invoke_results> directly).	1096	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
690		1097
691	=back	1098	=back
692		1099
693	=cut	1100	=cut
694		1101
695	#############################################################################	1102	#############################################################################
696	# 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, $ob2
		1145	}
697		1146
698	sub reattach {	1147	sub reattach {
699	# basically do the same as instantiate, without calling instantiate	1148	# basically do the same as instantiate, without calling instantiate
700	my ($obj) = @_;	1149	my ($obj) = @_;
701		1150
		1151	# no longer needed after getting rid of delete_package?
702	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
703		1153
704	my $registry = $obj->registry;	1154	my $registry = $obj->registry;
705		1155
706	@$registry = ();	1156	@$registry = ();
707		1157
…		…
712	for (@$attach) {	1162	for (@$attach) {
713	my ($klass, @attach) = @$_;	1163	my ($klass, @attach) = @$_;
714	_attach $registry, $klass, @attach;	1164	_attach $registry, $klass, @attach;
715	}	1165	}
716	} else {	1166	} else {
717	warn "object uses attachment '$name' that is not available, postponing.\n";	1167	info "object uses attachment '$name' that is not available, postponing.\n";
718	}	1168	}
719	}	1169	}
720	}	1170	}
721		1171
722	cf::attachable->attach (	1172	cf::attachable->attach (
723	prio => -1000000,	1173	prio => -1000000,
724	on_instantiate => sub {	1174	on_instantiate => sub {
725	my ($obj, $data) = @_;	1175	my ($obj, $data) = @_;
726		1176
727	$data = from_json $data;	1177	$data = decode_json $data;
728		1178
729	for (@$data) {	1179	for (@$data) {
730	my ($name, $args) = @$_;	1180	my ($name, $args) = @$_;
731		1181
732	$obj->attach ($name, %{$args || {} });	1182	$obj->attach ($name, %{$args || {} });
…		…
748	sub object_freezer_save {	1198	sub object_freezer_save {
749	my ($filename, $rdata, $objs) = @_;	1199	my ($filename, $rdata, $objs) = @_;
750		1200
751	sync_job {	1201	sync_job {
752	if (length $$rdata) {	1202	if (length $$rdata) {
		1203	utf8::decode (my $decname = $filename);
753	warn sprintf "saving %s (%d,%d)\n",	1204	trace sprintf "saving %s (%d,%d)\n",
754	$filename, length $$rdata, scalar @$objs;	1205	$decname, length $$rdata, scalar @$objs
		1206	if $VERBOSE_IO;
755		1207
756	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1208	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1209	aio_chmod $fh, SAVE_MODE;
758	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1210	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
759	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	}
760	close $fh;	1215	aio_close $fh;
761		1216
762	if (@$objs) {	1217	if (@$objs) {
763	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) {
764	chmod SAVE_MODE, $fh;	1219	aio_chmod $fh, SAVE_MODE;
765	my $data = Storable::nfreeze { version => 1, objs => $objs };	1220	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
766	aio_write $fh, 0, (length $data), $data, 0;	1221	aio_write $fh, 0, (length $data), $data, 0;
767	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	}
768	close $fh;	1226	aio_close $fh;
769	aio_rename "$filename.pst~", "$filename.pst";	1227	aio_rename "$filename.pst~", "$filename.pst";
770	}	1228	}
771	} else {	1229	} else {
772	aio_unlink "$filename.pst";	1230	aio_unlink "$filename.pst";
773	}	1231	}
774		1232
775	aio_rename "$filename~", $filename;	1233	aio_rename "$filename~", $filename;
		1234
		1235	$filename =~ s%/[^/]+$%%;
		1236	aio_pathsync $filename if $cf::USE_FSYNC;
776	} else {	1237	} else {
777	warn "FATAL: $filename~: $!\n";	1238	error "unable to save objects: $filename~: $!\n";
778	}	1239	}
779	} else {	1240	} else {
780	aio_unlink $filename;	1241	aio_unlink $filename;
781	aio_unlink "$filename.pst";	1242	aio_unlink "$filename.pst";
782	}	1243	}
783
784	#d##TODO# nuke non .map-files if exist
785	if ($filename =~ s/\.map$//) {
786	aio_unlink $filename;
787	aio_unlink "$filename.pst";
788	}
789	}	1244	};
790	}	1245	}
791		1246
792	sub object_freezer_as_string {	1247	sub object_freezer_as_string {
793	my ($rdata, $objs) = @_;	1248	my ($rdata, $objs) = @_;
794		1249
…		…
799		1254
800	sub object_thawer_load {	1255	sub object_thawer_load {
801	my ($filename) = @_;	1256	my ($filename) = @_;
802		1257
803	my ($data, $av);	1258	my ($data, $av);
804
805	#d#TODO remove .map if file does not exist
806	aio_stat $filename and $filename =~ s/\.map$//;
807		1259
808	(aio_load $filename, $data) >= 0	1260	(aio_load $filename, $data) >= 0
809	or return;	1261	or return;
810		1262
811	unless (aio_stat "$filename.pst") {	1263	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1264	(aio_load "$filename.pst", $av) >= 0
813	or return;	1265	or return;
		1266
814	$av = eval { (Storable::thaw $av)->{objs} };	1267	my $st = eval { Coro::Storable::thaw $av };
		1268	$av = $st->{objs};
815	}	1269	}
816		1270
		1271	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1272	trace sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1273	$decname, length $data, scalar @{$av || []}
		1274	if $VERBOSE_IO;
		1275
819	return ($data, $av);	1276	($data, $av)
820	}	1277	}
		1278
		1279	=head2 COMMAND CALLBACKS
		1280
		1281	=over 4
		1282
		1283	=cut
821		1284
822	#############################################################################	1285	#############################################################################
823	# command handling &c	1286	# command handling &c
824		1287
825	=item cf::register_command $name => \&callback($ob,$args);	1288	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1301	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1302	}
840		1303
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1304	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1305
843	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.
844		1311
845	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
846	called.	1313	called.
847		1314
		1315	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1316
		1317	Register a callback for execution when the client sends an (asynchronous)
		1318	exticmd packet. Exti commands are processed by the server as soon as they
		1319	are received, i.e. out of order w.r.t. other commands. The first argument
		1320	is a client socket. Exti commands can be received anytime, even before
		1321	log-in.
		1322
		1323	If the callback returns something, it is sent back as if reply was being
		1324	called.
		1325
848	=cut	1326	=cut
849		1327
850	sub register_extcmd {	1328	sub register_extcmd {
851	my ($name, $cb) = @_;	1329	my ($name, $cb) = @_;
852		1330
853	$EXTCMD{$name} = $cb;	1331	$EXTCMD{$name} = $cb;
854	}	1332	}
855		1333
		1334	sub register_exticmd {
		1335	my ($name, $cb) = @_;
		1336
		1337	$EXTICMD{$name} = $cb;
		1338	}
		1339
		1340	use File::Glob ();
		1341
856	cf::player->attach (	1342	cf::player->attach (
857	on_command => sub {	1343	on_unknown_command => sub {
858	my ($pl, $name, $params) = @_;	1344	my ($pl, $name, $params) = @_;
859		1345
860	my $cb = $COMMAND{$name}	1346	my $cb = $COMMAND{$name}
861	or return;	1347	or return;
862		1348
…		…
867	cf::override;	1353	cf::override;
868	},	1354	},
869	on_extcmd => sub {	1355	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1356	my ($pl, $buf) = @_;
871		1357
872	my $msg = eval { from_json $buf };	1358	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1359
874	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
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1368	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1369	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1370	}
		1371
		1372	$pl->ext_reply ($reply, @reply)
		1373	if $reply;
		1374
880	} else {	1375	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1376	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1377	}
883		1378
884	cf::override;	1379	cf::override;
885	},	1380	},
886	);	1381	);
887		1382
		1383	# "readahead" all extensions
888	sub load_extension {	1384	sub cache_extensions {
889	my ($path) = @_;	1385	my $grp = IO::AIO::aio_group;
890		1386
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1387	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
892	my $base = $1;	1388	for (grep /\.ext$/, @{$_[0]}) {
893	my $pkg = $1;	1389	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}	1390	}
916	die $@;
917	}	1391	};
918		1392
919	push @EXTS, $pkg;	1393	$grp
920	}	1394	}
921		1395
922	sub load_extensions {	1396	sub load_extensions {
		1397	info "loading extensions...";
		1398
		1399	cf::sync_job {
		1400	my %todo;
		1401
923	for my $ext (<$LIBDIR/*.ext>) {	1402	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1403	next unless -r $path;
925	eval {	1404
926	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 $active;
		1467	}
927	1	1468	}
928	} or warn "$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	}
929	}	1479	};
930	}	1480	}
931		1481
932	#############################################################################	1482	#############################################################################
933		1483
		1484	=back
		1485
934	=head2 CORE EXTENSIONS	1486	=head2 CORE EXTENSIONS
935		1487
936	Functions and methods that extend core crossfire objects.	1488	Functions and methods that extend core deliantra objects.
937		1489
938	=cut	1490	=cut
939		1491
940	package cf::player;	1492	package cf::player;
941		1493
…		…
943		1495
944	=head3 cf::player	1496	=head3 cf::player
945		1497
946	=over 4	1498	=over 4
947		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
948	=item cf::player::find $login	1514	=item cf::player::find $login
949		1515
950	Returns the given player object, loading it if necessary (might block).	1516	Returns the given player object, loading it if necessary (might block).
951		1517
952	=cut	1518	=cut
953		1519
954	sub playerdir($) {	1520	sub playerdir($) {
955	cf::localdir	1521	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1522	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1523	}
961		1524
962	sub path($) {	1525	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1526	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1527
965	(playerdir $login) . "/$login.pl"	1528	(playerdir $login) . "/playerdata"
966	}	1529	}
967		1530
968	sub find_active($) {	1531	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1532	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1533	and $cf::PLAYER{$_[0]}->active
…		…
973		1536
974	sub exists($) {	1537	sub exists($) {
975	my ($login) = @_;	1538	my ($login) = @_;
976		1539
977	$cf::PLAYER{$login}	1540	$cf::PLAYER{$login}
978	or cf::sync_job { !aio_stat path $login }	1541	or !aio_stat path $login
979	}	1542	}
980		1543
981	sub find($) {	1544	sub find($) {
982	return $cf::PLAYER{$_[0]} || do {	1545	return $cf::PLAYER{$_[0]} || do {
983	my $login = $_[0];	1546	my $login = $_[0];
984		1547
985	my $guard = cf::lock_acquire "user_find:$login";	1548	my $guard = cf::lock_acquire "user_find:$login";
986		1549
987	$cf::PLAYER{$_[0]} || do {	1550	$cf::PLAYER{$_[0]} || do {
988	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
989	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;
990	$cf::PLAYER{$login} = $pl	1566	$cf::PLAYER{$login} = $pl
991	}	1567	}
992	}	1568	}
993	}	1569	}
		1570
		1571	cf::player->attach (
		1572	on_load => sub {
		1573	my ($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	);
994		1583
995	sub save($) {	1584	sub save($) {
996	my ($pl) = @_;	1585	my ($pl) = @_;
997		1586
998	return if $pl->{deny_save};	1587	return if $pl->{deny_save};
…		…
1003	return if $pl->{deny_save};	1592	return if $pl->{deny_save};
1004		1593
1005	aio_mkdir playerdir $pl, 0770;	1594	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1595	$pl->{last_save} = $cf::RUNTIME;
1007		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
1008	$pl->save_pl ($path);	1602	$pl->save_pl ($path);
1009	Coro::cede;	1603	cf::cede_to_tick;
1010	}	1604	}
1011		1605
1012	sub new($) {	1606	sub new($) {
1013	my ($login) = @_;	1607	my ($login) = @_;
1014		1608
…		…
1020	$cf::PLAYER{$login} = $self;	1614	$cf::PLAYER{$login} = $self;
1021		1615
1022	$self	1616	$self
1023	}	1617	}
1024		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
1025	=item $pl->quit_character	1629	=item $pl->quit_character
1026		1630
1027	Nukes the player without looking back. If logged in, the connection will	1631	Nukes the player without looking back. If logged in, the connection will
1028	be destroyed. May block for a long time.	1632	be destroyed. May block for a long time.
1029		1633
1030	=cut	1634	=cut
1031		1635
1032	sub quit_character {	1636	sub quit_character {
1033	my ($pl) = @_;	1637	my ($pl) = @_;
1034		1638
		1639	my $name = $pl->ob->name;
		1640
1035	$pl->{deny_save} = 1;	1641	$pl->{deny_save} = 1;
1036	$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
1037		1643
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1644	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1039	$pl->deactivate;	1645	$pl->deactivate;
		1646	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1040	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1647	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1041	$pl->ns->destroy if $pl->ns;	1648	$pl->ns->destroy if $pl->ns;
1042		1649
1043	my $path = playerdir $pl;	1650	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1651	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1652	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1653	delete $cf::PLAYER{$pl->ob->name};
1047	$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
1048	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;
1049	}	1676	}
1050		1677
1051	=item cf::player::list_logins	1678	=item cf::player::list_logins
1052		1679
1053	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
1054	while and may block, so not sync_job-capable, ever.	1681	while and may block, so not sync_job-capable, ever.
1055		1682
1056	=cut	1683	=cut
1057		1684
1058	sub list_logins {	1685	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1686	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1687	or return [];
1061		1688
1062	my @logins;	1689	my @logins;
1063		1690
1064	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") {
1065	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1697	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1066	aio_read $fh, 0, 512, my $buf, 0 or next;	1698	aio_read $fh, 0, 512, my $buf, 0 or next;
1067	$buf !~ /^password -------------$/m or next; # official not-valid tag	1699	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1700	}
1068		1701
1069	utf8::decode $login;	1702	utf8::decode $login;
1070	push @logins, $login;	1703	push @logins, $login;
1071	}	1704	}
1072		1705
1073	\@logins	1706	\@logins
1074	}	1707	}
1075		1708
1076	=item $player->maps	1709	=item $player->maps
		1710
		1711	=item cf::player::maps $login
1077		1712
1078	Returns an arrayref of map paths that are private for this	1713	Returns an arrayref of map paths that are private for this
1079	player. May block.	1714	player. May block.
1080		1715
1081	=cut	1716	=cut
…		…
1099	}	1734	}
1100		1735
1101	\@paths	1736	\@paths
1102	}	1737	}
1103		1738
		1739	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1740
		1741	Expand deliantra pod fragments into protocol xml.
		1742
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1743	=item $player->ext_reply ($msgid, @msg)
1105		1744
1106	Sends an ext reply to the player.	1745	Sends an ext reply to the player.
1107		1746
1108	=cut	1747	=cut
1109		1748
1110	sub ext_reply($$$%) {	1749	sub ext_reply($$@) {
1111	my ($self, $id, %msg) = @_;	1750	my ($self, $id, @msg) = @_;
1112		1751
1113	$msg{msgid} = $id;	1752	$self->ns->ext_reply ($id, @msg)
1114
1115	$self->send ("ext " . cf::to_json \%msg);
1116	}	1753	}
1117		1754
1118	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	}
1119		1797
1120	=back	1798	=back
1121
1122		1799
1123	=head3 cf::map	1800	=head3 cf::map
1124		1801
1125	=over 4	1802	=over 4
1126		1803
…		…
1138	our $MAX_RESET = 3600;	1815	our $MAX_RESET = 3600;
1139	our $DEFAULT_RESET = 3000;	1816	our $DEFAULT_RESET = 3000;
1140		1817
1141	sub generate_random_map {	1818	sub generate_random_map {
1142	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
1143	# mit "rum" bekleckern, nicht	1823	# mit "rum" bekleckern, nicht
1144	$self->_create_random_map (	1824	$self->_create_random_map (
1145	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1825	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1146	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1826	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1147	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1827	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1148	$rmp->{exit_on_final_map},	1828	$rmp->{exit_on_final_map},
1149	$rmp->{xsize}, $rmp->{ysize},	1829	$rmp->{xsize}, $rmp->{ysize},
1150	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1830	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1151	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1831	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1173		1853
1174	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1854	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1175	}	1855	}
1176		1856
1177	# also paths starting with '/'	1857	# also paths starting with '/'
1178	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1858	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1179		1859
1180	sub thawer_merge {	1860	sub thawer_merge {
1181	my ($self, $merge) = @_;	1861	my ($self, $merge) = @_;
1182		1862
1183	# we have to keep some variables in memory intact	1863	# we have to keep some variables in memory intact
1184	local $self->{path};	1864	local $self->{path};
1185	local $self->{load_path};	1865	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1866
1189	$self->SUPER::thawer_merge ($merge);	1867	$self->SUPER::thawer_merge ($merge);
1190	}	1868	}
1191		1869
1192	sub normalise {	1870	sub normalise {
…		…
1239	$self->init; # pass $1 etc.	1917	$self->init; # pass $1 etc.
1240	return $self;	1918	return $self;
1241	}	1919	}
1242	}	1920	}
1243		1921
1244	Carp::carp "unable to resolve path '$path' (base '$base').";	1922	Carp::cluck "unable to resolve path '$path' (base '$base').";
1245	()	1923	()
1246	}	1924	}
1247		1925
1248	sub init {	1926	sub init {
1249	my ($self) = @_;	1927	my ($self) = @_;
…		…
1264		1942
1265	# the original (read-only) location	1943	# the original (read-only) location
1266	sub load_path {	1944	sub load_path {
1267	my ($self) = @_;	1945	my ($self) = @_;
1268		1946
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1947	"$MAPDIR/$self->{path}.map"
1270	}	1948	}
1271		1949
1272	# the temporary/swap location	1950	# the temporary/swap location
1273	sub save_path {	1951	sub save_path {
1274	my ($self) = @_;	1952	my ($self) = @_;
1275		1953
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1954	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1955	"$TMPDIR/$path.map"
1278	}	1956	}
1279		1957
1280	# the unique path, undef == no special unique path	1958	# the unique path, undef == no special unique path
1281	sub uniq_path {	1959	sub uniq_path {
1282	my ($self) = @_;	1960	my ($self) = @_;
1283		1961
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1962	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1963	"$UNIQUEDIR/$path"
1286	}	1964	}
1287		1965
1288	# and all this just because we cannot iterate over	1966	sub decay_objects {
1289	# all maps in C++...
1290	sub change_all_map_light {
1291	my ($change) = @_;	1967	my ($self) = @_;
1292		1968
1293	$_->change_map_light ($change)	1969	return if $self->{deny_reset};
1294	for grep $_->outdoor, values %cf::MAP;	1970
		1971	$self->do_decay_objects;
1295	}	1972	}
1296		1973
1297	sub unlink_save {	1974	sub unlink_save {
1298	my ($self) = @_;	1975	my ($self) = @_;
1299		1976
1300	utf8::encode (my $save = $self->save_path);	1977	utf8::encode (my $save = $self->save_path);
1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1978	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1979	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1303
1304	#d#TODO remove .map and also nuke
1305	$save =~ s/\.map// or return;#d#
1306	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1308	}	1980	}
1309		1981
1310	sub load_header_from($) {	1982	sub load_header_from($) {
1311	my ($self, $path) = @_;	1983	my ($self, $path) = @_;
1312		1984
1313	utf8::encode $path;	1985	utf8::encode $path;
1314	#aio_open $path, O_RDONLY, 0	1986	my $f = new_from_file cf::object::thawer $path
1315	# or return;
1316
1317	$self->_load_header ($path)
1318	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;
1319		1994
1320	$self->{load_path} = $path;	1995	$self->{load_path} = $path;
1321		1996
1322	1	1997	1
1323	}	1998	}
…		…
1362	$self->load_header_orig	2037	$self->load_header_orig
1363	or return;	2038	or return;
1364	$self->prepare_orig;	2039	$self->prepare_orig;
1365	}	2040	}
1366		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
1367	1	2048	1
1368	}	2049	}
1369		2050
1370	sub find;	2051	sub find;
1371	sub find {	2052	sub find {
1372	my ($path, $origin) = @_;	2053	my ($path, $origin) = @_;
1373		2054
1374	$path = normalise $path, $origin && $origin->path;	2055	$path = normalise $path, $origin && $origin->path;
1375		2056
		2057	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1376	cf::lock_wait "map_find:$path";	2058	my $guard2 = cf::lock_acquire "map_find:$path";
1377		2059
1378	$cf::MAP{$path} || do {	2060	$cf::MAP{$path} || do {
1379	my $guard = cf::lock_acquire "map_find:$path";
1380	my $map = new_from_path cf::map $path	2061	my $map = new_from_path cf::map $path
1381	or return;	2062	or return;
1382		2063
1383	$map->{last_save} = $cf::RUNTIME;	2064	$map->{last_save} = $cf::RUNTIME;
1384		2065
1385	$map->load_header	2066	$map->load_header
1386	or return;	2067	or return;
1387		2068
1388	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2069	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1389	# doing this can freeze the server in a sync job, obviously	2070	# doing this can freeze the server in a sync job, obviously
1390	#$cf::WAIT_FOR_TICK->wait;	2071	#$cf::WAIT_FOR_TICK->wait;
		2072	undef $guard2;
		2073	undef $guard1;
1391	$map->reset;	2074	$map->reset;
1392	undef $guard;
1393	return find $path;	2075	return find $path;
1394	}	2076	}
1395		2077
1396	$cf::MAP{$path} = $map	2078	$cf::MAP{$path} = $map
1397	}	2079	}
1398	}	2080	}
1399		2081
1400	sub pre_load { }	2082	sub pre_load { }
1401	sub post_load { }	2083	#sub post_load { } # XS
1402		2084
1403	sub load {	2085	sub load {
1404	my ($self) = @_;	2086	my ($self) = @_;
1405		2087
1406	local $self->{deny_reset} = 1; # loading can take a long time	2088	local $self->{deny_reset} = 1; # loading can take a long time
1407		2089
1408	my $path = $self->{path};	2090	my $path = $self->{path};
		2091
		2092	{
1409	my $guard = cf::lock_acquire "map_load:$path";	2093	my $guard = cf::lock_acquire "map_data:$path";
1410		2094
		2095	return unless $self->valid;
1411	return if $self->in_memory != cf::MAP_SWAPPED;	2096	return unless $self->in_memory == cf::MAP_SWAPPED;
1412		2097
1413	$self->in_memory (cf::MAP_LOADING);	2098	$self->in_memory (cf::MAP_LOADING);
1414		2099
1415	$self->alloc;	2100	$self->alloc;
1416		2101
1417	$self->pre_load;	2102	$self->pre_load;
		2103	cf::cede_to_tick;
1418		2104
1419	$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)
1420	or return;	2108	or return;
1421		2109
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2110	$self->post_load_original
1423	if delete $self->{load_original};	2111	if delete $self->{load_original};
1424		2112
1425	if (my $uniq = $self->uniq_path) {	2113	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	2114	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	2115	unless (aio_stat $uniq) {
		2116	if (my $f = new_from_file cf::object::thawer $uniq) {
1428	$self->clear_unique_items;	2117	$self->clear_unique_items;
1429	$self->_load_objects ($uniq, 0);	2118	$self->_load_objects ($f);
		2119	$f->resolve_delayed_derefs;
		2120	}
1430	}	2121	}
1431	}	2122	}
1432		2123
1433	Coro::cede;	2124	$f->resolve_delayed_derefs;
1434		2125
		2126	cf::cede_to_tick;
1435	# now do the right thing for maps	2127	# now do the right thing for maps
1436	$self->link_multipart_objects;	2128	$self->link_multipart_objects;
1437
1438	unless ($self->{deny_activate}) {
1439	$self->decay_objects;
1440	$self->fix_auto_apply;
1441	$self->update_buttons;
1442	Coro::cede;
1443	$self->set_darkness_map;
1444	$self->difficulty ($self->estimate_difficulty)	2129	$self->difficulty ($self->estimate_difficulty)
1445	unless $self->difficulty;	2130	unless $self->difficulty;
1446	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;
1447	$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);
1448	}	2145	}
1449		2146
1450	$self->post_load;	2147	$self->post_load;
1451
1452	$self->in_memory (cf::MAP_IN_MEMORY);
1453	}	2148	}
1454		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
1455	sub customise_for {	2153	sub customise_for {
1456	my ($self, $ob) = @_;	2154	my ($self, $ob) = @_;
1457		2155
1458	return find "~" . $ob->name . "/" . $self->{path}	2156	return find "~" . $ob->name . "/" . $self->{path}
1459	if $self->per_player;	2157	if $self->per_player;
1460		2158
		2159	# return find "?party/" . $ob->name . "/" . $self->{path}
		2160	# if $self->per_party;
		2161
1461	$self	2162	$self
1462	}	2163	}
1463		2164
1464	# 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
1465	sub load_diag {	2166	sub load_neighbours {
1466	my ($map) = @_;	2167	my ($map) = @_;
1467		2168
1468	my @diag; # diagonal neighbours	2169	my @neigh; # diagonal neighbours
1469		2170
1470	for (0 .. 3) {	2171	for (0 .. 3) {
1471	my $neigh = $map->tile_path ($_)	2172	my $neigh = $map->tile_path ($_)
1472	or next;	2173	or next;
1473	$neigh = find $neigh, $map	2174	$neigh = find $neigh, $map
1474	or next;	2175	or next;
1475	$neigh->load;	2176	$neigh->load;
1476		2177
		2178	# now find the diagonal neighbours
		2179	push @neigh,
1477	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2180	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1478	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2181	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1479	}	2182	}
1480		2183
1481	for (@diag) {	2184	for (grep defined $_->[0], @neigh) {
		2185	my ($path, $origin) = @$_;
1482	my $neigh = find @$_	2186	my $neigh = find $path, $origin
1483	or next;	2187	or next;
1484	$neigh->load;	2188	$neigh->load;
1485	}	2189	}
1486	}	2190	}
1487		2191
…		…
1492	}	2196	}
1493		2197
1494	sub do_load_sync {	2198	sub do_load_sync {
1495	my ($map) = @_;	2199	my ($map) = @_;
1496		2200
		2201	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2202	if $Coro::current == $Coro::main;
		2203
1497	cf::sync_job { $map->load };	2204	cf::sync_job { $map->load };
1498	}	2205	}
1499		2206
1500	our %MAP_PREFETCH;	2207	our %MAP_PREFETCH;
1501	our $MAP_PREFETCHER = undef;	2208	our $MAP_PREFETCHER = undef;
1502		2209
1503	sub find_async {	2210	sub find_async {
1504	my ($path, $origin) = @_;	2211	my ($path, $origin, $load) = @_;
1505		2212
1506	$path = normalise $path, $origin && $origin->{path};	2213	$path = normalise $path, $origin && $origin->{path};
1507		2214
1508	if (my $map = $cf::MAP{$path}) {	2215	if (my $map = $cf::MAP{$path}) {
1509	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2216	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1510	}	2217	}
1511		2218
1512	undef $MAP_PREFETCH{$path};	2219	$MAP_PREFETCH{$path} |= $load;
		2220
1513	$MAP_PREFETCHER ||= cf::async {	2221	$MAP_PREFETCHER ||= cf::async {
		2222	$Coro::current->{desc} = "map prefetcher";
		2223
1514	while (%MAP_PREFETCH) {	2224	while (%MAP_PREFETCH) {
1515	for my $path (keys %MAP_PREFETCH) {	2225	while (my ($k, $v) = each %MAP_PREFETCH) {
1516	my $map = find $path	2226	if (my $map = find $k) {
1517	or next;
1518	$map->load;	2227	$map->load if $v;
		2228	}
1519		2229
1520	delete $MAP_PREFETCH{$path};	2230	delete $MAP_PREFETCH{$k};
1521	}	2231	}
1522	}	2232	}
1523	undef $MAP_PREFETCHER;	2233	undef $MAP_PREFETCHER;
1524	};	2234	};
1525	$MAP_PREFETCHER->prio (6);	2235	$MAP_PREFETCHER->prio (6);
1526		2236
1527	()	2237	()
1528	}	2238	}
1529		2239
		2240	# common code, used by both ->save and ->swapout
1530	sub save {	2241	sub _save {
1531	my ($self) = @_;	2242	my ($self) = @_;
1532
1533	my $lock = cf::lock_acquire "map_data:" . $self->path;
1534		2243
1535	$self->{last_save} = $cf::RUNTIME;	2244	$self->{last_save} = $cf::RUNTIME;
1536		2245
1537	return unless $self->dirty;	2246	return unless $self->dirty;
1538		2247
…		…
1544	return if $self->{deny_save};	2253	return if $self->{deny_save};
1545		2254
1546	local $self->{last_access} = $self->last_access;#d#	2255	local $self->{last_access} = $self->last_access;#d#
1547		2256
1548	cf::async {	2257	cf::async {
		2258	$Coro::current->{desc} = "map player save";
1549	$_->contr->save for $self->players;	2259	$_->contr->save for $self->players;
1550	};	2260	};
		2261
		2262	cf::get_slot 0.02;
1551		2263
1552	if ($uniq) {	2264	if ($uniq) {
1553	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2265	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1554	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2266	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1555	} else {	2267	} else {
1556	$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);
1557	}	2269	}
1558	}	2270	}
1559		2271
		2272	sub save {
		2273	my ($self) = @_;
		2274
		2275	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2276
		2277	$self->_save;
		2278	}
		2279
1560	sub swap_out {	2280	sub swap_out {
1561	my ($self) = @_;	2281	my ($self) = @_;
1562		2282
1563	# save first because save cedes
1564	$self->save;
1565
1566	my $lock = cf::lock_acquire "map_data:" . $self->path;	2283	my $lock = cf::lock_acquire "map_data:$self->{path}";
1567		2284
		2285	return if $self->in_memory != cf::MAP_ACTIVE;
		2286	return if $self->{deny_save};
1568	return if $self->players;	2287	return if $self->players;
1569	return if $self->in_memory != cf::MAP_IN_MEMORY;
1570	return if $self->{deny_save};
1571		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
1572	$self->clear;	2298	$self->clear;
1573	$self->in_memory (cf::MAP_SWAPPED);
1574	}	2299	}
1575		2300
1576	sub reset_at {	2301	sub reset_at {
1577	my ($self) = @_;	2302	my ($self) = @_;
1578		2303
1579	# TODO: safety, remove and allow resettable per-player maps	2304	# TODO: safety, remove and allow resettable per-player maps
1580	return 1e99 if $self->isa ("ext::map_per_player");#d#
1581	return 1e99 if $self->{deny_reset};	2305	return 1e99 if $self->{deny_reset};
1582		2306
1583	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2307	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1584	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;
1585		2309
…		…
1596	my ($self) = @_;	2320	my ($self) = @_;
1597		2321
1598	my $lock = cf::lock_acquire "map_data:$self->{path}";	2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2323
1600	return if $self->players;	2324	return if $self->players;
1601	return if $self->isa ("ext::map_per_player");#d#
1602		2325
1603	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	}
1604		2337
1605	delete $cf::MAP{$self->path};	2338	delete $cf::MAP{$self->path};
1606		2339
1607	$self->in_memory (cf::MAP_SWAPPED);	2340	$self->deactivate;
		2341	$_->clear_links_to ($self) for values %cf::MAP;
1608	$self->clear;	2342	$self->clear;
1609
1610	$_->clear_links_to ($self) for values %cf::MAP;
1611		2343
1612	$self->unlink_save;	2344	$self->unlink_save;
1613	$self->destroy;	2345	$self->destroy;
1614	}	2346	}
1615		2347
1616	my $nuke_counter = "aaaa";	2348	my $nuke_counter = "aaaa";
1617		2349
1618	sub nuke {	2350	sub nuke {
1619	my ($self) = @_;	2351	my ($self) = @_;
1620		2352
		2353	{
		2354	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2355
1621	delete $cf::MAP{$self->path};	2356	delete $cf::MAP{$self->path};
1622		2357
1623	$self->unlink_save;	2358	$self->unlink_save;
1624		2359
1625	bless $self, "cf::map";	2360	bless $self, "cf::map::wrap";
1626	delete $self->{deny_reset};	2361	delete $self->{deny_reset};
1627	$self->{deny_save} = 1;	2362	$self->{deny_save} = 1;
1628	$self->reset_timeout (1);	2363	$self->reset_timeout (1);
1629	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2364	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1630		2365
1631	$cf::MAP{$self->path} = $self;	2366	$cf::MAP{$self->path} = $self;
		2367	}
1632		2368
1633	$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	]
1634	}	2406	}
1635		2407
1636	=item cf::map::unique_maps	2408	=item cf::map::unique_maps
1637		2409
1638	Returns an arrayref of paths of all shared maps that have	2410	Returns an arrayref of paths of all shared maps that have
1639	instantiated unique items. May block.	2411	instantiated unique items. May block.
1640		2412
1641	=cut	2413	=cut
1642		2414
1643	sub unique_maps() {	2415	sub unique_maps() {
1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2416	[
1645	or return;	2417	map {
1646
1647	my @paths;
1648
1649	for (@$files) {
1650	utf8::decode $_;	2418	utf8::decode $_;
1651	next if /\.pst$/;	2419	s/\.map$//; # TODO future compatibility hack
1652	next unless /^$PATH_SEP/o;	2420	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1653		2421	? ()
1654	push @paths, cf::map::normalise $_;	2422	: normalise $_
		2423	} @{ aio_readdir $UNIQUEDIR or [] }
1655	}	2424	]
1656
1657	\@paths
1658	}	2425	}
1659		2426
1660	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	}
1661		2458
1662	=back	2459	=back
1663		2460
1664	=head3 cf::object	2461	=head3 cf::object
1665		2462
…		…
1669		2466
1670	=over 4	2467	=over 4
1671		2468
1672	=item $ob->inv_recursive	2469	=item $ob->inv_recursive
1673		2470
1674	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.
1675		2473
1676	=cut	2474	=cut
1677		2475
1678	sub inv_recursive_;	2476	sub inv_recursive_;
1679	sub inv_recursive_ {	2477	sub inv_recursive_ {
…		…
1682		2480
1683	sub inv_recursive {	2481	sub inv_recursive {
1684	inv_recursive_ inv $_[0]	2482	inv_recursive_ inv $_[0]
1685	}	2483	}
1686		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
1687	package cf;	2513	package cf;
1688		2514
1689	=back	2515	=back
1690		2516
1691	=head3 cf::object::player	2517	=head3 cf::object::player
…		…
1697	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>
1698	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
1699	dialogue with the given NPC character.	2525	dialogue with the given NPC character.
1700		2526
1701	=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	};
1702		2542
1703	# rough implementation of a future "reply" method that works	2543	# rough implementation of a future "reply" method that works
1704	# with dialog boxes.	2544	# with dialog boxes.
1705	#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
1706	sub cf::object::player::reply($$$;$) {	2546	sub cf::object::player::reply($$$;$) {
…		…
1708		2548
1709	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2549	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1710		2550
1711	if ($self->{record_replies}) {	2551	if ($self->{record_replies}) {
1712	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2552	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2553
1713	} 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 {
1714	$msg = $npc->name . " says: $msg" if $npc;	2562	$msg = $npc->name . " says: $msg" if $npc;
1715	$self->message ($msg, $flags);	2563	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2564	}
1716	}	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 (@_);
1717	}	2576	}
1718		2577
1719	=item $player_object->may ("access")	2578	=item $player_object->may ("access")
1720		2579
1721	Returns wether the given player is authorized to access resource "access"	2580	Returns wether the given player is authorized to access resource "access"
…		…
1734		2593
1735	=item $player_object->enter_link	2594	=item $player_object->enter_link
1736		2595
1737	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}>).
1738		2597
1739	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.
1740	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.
1741		2602
1742	Will never block.	2603	Will never block.
1743		2604
1744	=item $player_object->leave_link ($map, $x, $y)	2605	=item $player_object->leave_link ($map, $x, $y)
1745		2606
…		…
1765	sub cf::object::player::enter_link {	2626	sub cf::object::player::enter_link {
1766	my ($self) = @_;	2627	my ($self) = @_;
1767		2628
1768	$self->deactivate_recursive;	2629	$self->deactivate_recursive;
1769		2630
		2631	++$self->{_link_recursion};
		2632
1770	return if UNIVERSAL::isa $self->map, "ext::map_link";	2633	return if UNIVERSAL::isa $self->map, "ext::map_link";
1771		2634
1772	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2635	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1773	if $self->map;	2636	if $self->map && $self->map->{path} ne "{link}";
1774		2637
1775	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2638	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1776	}	2639	}
1777		2640
1778	sub cf::object::player::leave_link {	2641	sub cf::object::player::leave_link {
1779	my ($self, $map, $x, $y) = @_;	2642	my ($self, $map, $x, $y) = @_;
		2643
		2644	return unless $self->contr->active;
1780		2645
1781	my $link_pos = delete $self->{_link_pos};	2646	my $link_pos = delete $self->{_link_pos};
1782		2647
1783	unless ($map) {	2648	unless ($map) {
1784	# restore original map position	2649	# restore original map position
…		…
1795	($x, $y) = (-1, -1)	2660	($x, $y) = (-1, -1)
1796	unless (defined $x) && (defined $y);	2661	unless (defined $x) && (defined $y);
1797		2662
1798	# use -1 or undef as default coordinates, not 0, 0	2663	# use -1 or undef as default coordinates, not 0, 0
1799	($x, $y) = ($map->enter_x, $map->enter_y)	2664	($x, $y) = ($map->enter_x, $map->enter_y)
1800	if $x <=0 && $y <= 0;	2665	if $x <= 0 && $y <= 0;
1801		2666
1802	$map->load;	2667	$map->load;
1803	$map->load_diag;	2668	$map->load_neighbours;
1804		2669
1805	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
1806	$self->activate_recursive;	2677	$self->activate_recursive;
1807	$self->enter_map ($map, $x, $y);
1808	}
1809
1810	cf::player->attach (
1811	on_logout => sub {
1812	my ($pl) = @_;
1813
1814	# abort map switching before logout
1815	if ($pl->ob->{_link_pos}) {
1816	cf::sync_job {
1817	$pl->ob->leave_link
1818	};
1819	}
1820	},	2678	}
1821	on_login => sub {
1822	my ($pl) = @_;
1823		2679
1824	# try to abort aborted map switching on player login :)	2680	}
1825	# should happen only on crashes
1826	if ($pl->ob->{_link_pos}) {
1827	$pl->ob->enter_link;
1828	(async {
1829	# we need this sleep as the login has a concurrent enter_exit running
1830	# and this sleep increases chances of the player not ending up in scorn
1831	$pl->ob->reply (undef,
1832	"There was an internal problem at your last logout, "
1833	. "the server will try to bring you to your intended destination in a second.",
1834	cf::NDI_RED);
1835	Coro::Timer::sleep 1;
1836	$pl->ob->leave_link;
1837	})->prio (2);
1838	}
1839	},
1840	);
1841		2681
1842	=item $player_object->goto ($path, $x, $y)	2682	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1843		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
1844	=cut	2693	=cut
		2694
		2695	our $GOTOGEN;
1845		2696
1846	sub cf::object::player::goto {	2697	sub cf::object::player::goto {
1847	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;
1848		2708
1849	$self->enter_link;	2709	$self->enter_link;
1850		2710
1851	(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
1852	my $map = eval {	2733	my $map = eval {
1853	my $map = cf::map::find $path;	2734	my $map = defined $path ? cf::map::find $path : undef;
		2735
		2736	if ($map) {
1854	$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
1855	$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 $@;
1856	} or	2749	}
1857	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1858		2750
		2751	if ($gen == $self->{_goto_generation}) {
		2752	delete $self->{_goto_generation};
1859	$self->leave_link ($map, $x, $y);	2753	$self->leave_link ($map, $x, $y);
		2754	}
		2755
		2756	$done->($self) if $done;
1860	})->prio (1);	2757	})->prio (1);
1861	}	2758	}
1862		2759
1863	=item $player_object->enter_exit ($exit_object)	2760	=item $player_object->enter_exit ($exit_object)
1864		2761
…		…
1884	}	2781	}
1885		2782
1886	sub prepare_random_map {	2783	sub prepare_random_map {
1887	my ($exit) = @_;	2784	my ($exit) = @_;
1888		2785
1889	my $guard = cf::lock_acquire "exit_prepare:$exit";
1890
1891	# all this does is basically replace the /! path by	2786	# all this does is basically replace the /! path by
1892	# a new random map path (?random/...) with a seed	2787	# a new random map path (?random/...) with a seed
1893	# that depends on the exit object	2788	# that depends on the exit object
1894		2789
1895	my $rmp = parse_random_map_params $exit->msg;	2790	my $rmp = parse_random_map_params $exit->msg;
…		…
1897	if ($exit->map) {	2792	if ($exit->map) {
1898	$rmp->{region} = $exit->region->name;	2793	$rmp->{region} = $exit->region->name;
1899	$rmp->{origin_map} = $exit->map->path;	2794	$rmp->{origin_map} = $exit->map->path;
1900	$rmp->{origin_x} = $exit->x;	2795	$rmp->{origin_x} = $exit->x;
1901	$rmp->{origin_y} = $exit->y;	2796	$rmp->{origin_y} = $exit->y;
		2797
		2798	$exit->map->touch;
1902	}	2799	}
1903		2800
1904	$rmp->{random_seed} ||= $exit->random_seed;	2801	$rmp->{random_seed} ||= $exit->random_seed;
1905		2802
1906	my $data = cf::to_json $rmp;	2803	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1907	my $md5 = Digest::MD5::md5_hex $data;	2804	my $md5 = Digest::MD5::md5_hex $data;
1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2805	my $meta = "$RANDOMDIR/$md5.meta";
1909		2806
1910	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2807	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1911	aio_write $fh, 0, (length $data), $data, 0;	2808	aio_write $fh, 0, (length $data), $data, 0;
1912	undef $fh;	2809	undef $fh;
1913	aio_rename "$meta~", $meta;	2810	aio_rename "$meta~", $meta;
1914		2811
		2812	my $slaying = "?random/$md5";
		2813
		2814	if ($exit->valid) {
1915	$exit->slaying ("?random/$md5");	2815	$exit->slaying ("?random/$md5");
1916	$exit->msg (undef);	2816	$exit->msg (undef);
		2817	}
1917	}	2818	}
1918	}	2819	}
1919		2820
1920	sub cf::object::player::enter_exit {	2821	sub cf::object::player::enter_exit {
1921	my ($self, $exit) = @_;	2822	my ($self, $exit) = @_;
1922		2823
1923	return unless $self->type == cf::PLAYER;	2824	return unless $self->type == cf::PLAYER;
1924		2825
1925	if ($exit->slaying eq "/!") {
1926	#TODO: this should de-fi-ni-te-ly not be a sync-job
1927	cf::sync_job { prepare_random_map $exit };
1928	}
1929
1930	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1931	my $hp = $exit->stats->hp;
1932	my $sp = $exit->stats->sp;
1933
1934	$self->enter_link;	2826	$self->enter_link;
1935		2827
1936	(async {	2828	(async {
1937	$self->deactivate_recursive; # just to be sure	2829	$Coro::current->{desc} = "enter_exit";
		2830
1938	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
1939	$self->goto ($slaying, $hp, $sp);	2846	$self->goto ($map, $x, $y);
1940		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
1941	1;	2852	1
1942	}) {	2853	}) {
1943	$self->message ("Something went wrong deep within the crossfire server. "	2854	$self->message ("Something went wrong deep within the deliantra server. "
1944	. "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. "
1945	. "Please report this to the dungeon master!",	2856	. "Please report this to the dungeon master!",
1946	cf::NDI_UNIQUE | cf::NDI_RED);	2857	cf::NDI_UNIQUE | cf::NDI_RED);
1947		2858
1948	warn "ERROR in enter_exit: $@";	2859	error "ERROR in enter_exit: $@";
1949	$self->leave_link;	2860	$self->leave_link;
1950	}	2861	}
1951	})->prio (1);	2862	})->prio (1);
1952	}	2863	}
1953		2864
…		…
1964		2875
1965	sub cf::client::send_drawinfo {	2876	sub cf::client::send_drawinfo {
1966	my ($self, $text, $flags) = @_;	2877	my ($self, $text, $flags) = @_;
1967		2878
1968	utf8::encode $text;	2879	utf8::encode $text;
1969	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2880	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1970	}	2881	}
1971		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	}
1972		3104
1973	=item $success = $client->query ($flags, "text", \&cb)	3105	=item $success = $client->query ($flags, "text", \&cb)
1974		3106
1975	Queues a query to the client, calling the given callback with	3107	Queues a query to the client, calling the given callback with
1976	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>,
1977	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>.
1978		3110
1979	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
1980	reliable at some point in the future.	3112	become reliable at some point in the future.
1981		3113
1982	=cut	3114	=cut
1983		3115
1984	sub cf::client::query {	3116	sub cf::client::query {
1985	my ($self, $flags, $text, $cb) = @_;	3117	my ($self, $flags, $text, $cb) = @_;
…		…
1993	utf8::encode $text;	3125	utf8::encode $text;
1994	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3126	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1995		3127
1996	$self->send_packet ($self->{query_queue}[0][0])	3128	$self->send_packet ($self->{query_queue}[0][0])
1997	if @{ $self->{query_queue} } == 1;	3129	if @{ $self->{query_queue} } == 1;
		3130
		3131	1
1998	}	3132	}
1999		3133
2000	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	},
2001	on_reply => sub {	3140	on_reply => sub {
2002	my ($ns, $msg) = @_;	3141	my ($ns, $msg) = @_;
2003		3142
2004	# this weird shuffling is so that direct followup queries	3143	# this weird shuffling is so that direct followup queries
2005	# get handled first	3144	# get handled first
…		…
2017	} else {	3156	} else {
2018	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3157	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2019	}	3158	}
2020	}	3159	}
2021	},	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	},
2022	);	3187	);
2023		3188
2024	=item $client->async (\&cb)	3189	=item $client->async (\&cb)
2025		3190
2026	Create a new coroutine, running the specified callback. The coroutine will	3191	Create a new coroutine, running the specified callback. The coroutine will
…		…
2042		3207
2043	$coro	3208	$coro
2044	}	3209	}
2045		3210
2046	cf::client->attach (	3211	cf::client->attach (
2047	on_destroy => sub {	3212	on_client_destroy => sub {
2048	my ($ns) = @_;	3213	my ($ns) = @_;
2049		3214
2050	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3215	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2051	},	3216	},
2052	);	3217	);
…		…
2067	our $safe = new Safe "safe";	3232	our $safe = new Safe "safe";
2068	our $safe_hole = new Safe::Hole;	3233	our $safe_hole = new Safe::Hole;
2069		3234
2070	$SIG{FPE} = 'IGNORE';	3235	$SIG{FPE} = 'IGNORE';
2071		3236
2072	$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	));
2073		3242
2074	# here we export the classes and methods available to script code	3243	# here we export the classes and methods available to script code
2075		3244
2076	=pod	3245	=pod
2077		3246
2078	The following fucntions and emthods are available within a safe environment:	3247	The following functions and methods are available within a safe environment:
2079		3248
2080	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
2081	cf::object::player player	3254	cf::object::player
2082	cf::player peaceful	3255	player
2083	cf::map trigger	3256
		3257	cf::player
		3258	peaceful
		3259
		3260	cf::map
		3261	trigger
2084		3262
2085	=cut	3263	=cut
2086		3264
2087	for (	3265	for (
2088	["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)],
2089	["cf::object::player" => qw(player)],	3269	["cf::object::player" => qw(player)],
2090	["cf::player" => qw(peaceful)],	3270	["cf::player" => qw(peaceful send_msg)],
2091	["cf::map" => qw(trigger)],	3271	["cf::map" => qw(trigger)],
2092	) {	3272	) {
2093	no strict 'refs';	3273	no strict 'refs';
2094	my ($pkg, @funs) = @$_;	3274	my ($pkg, @funs) = @$_;
2095	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3275	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2113		3293
2114	my $qcode = $code;	3294	my $qcode = $code;
2115	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3295	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2116	$qcode =~ s/\n/\\n/g;	3296	$qcode =~ s/\n/\\n/g;
2117		3297
		3298	%vars = (_dummy => 0) unless %vars;
		3299
		3300	my @res;
2118	local $_;	3301	local $_;
2119	local @safe::cf::_safe_eval_args = values %vars;
2120		3302
2121	my $eval =	3303	my $eval =
2122	"do {\n"	3304	"do {\n"
2123	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3305	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2124	. "#line 0 \"{$qcode}\"\n"	3306	. "#line 0 \"{$qcode}\"\n"
2125	. $code	3307	. $code
2126	. "\n}"	3308	. "\n}"
2127	;	3309	;
2128		3310
		3311	if ($CFG{safe_eval}) {
2129	sub_generation_inc;	3312	sub_generation_inc;
		3313	local @safe::cf::_safe_eval_args = values %vars;
2130	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3314	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2131	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	}
2132		3320
2133	if ($@) {	3321	if ($@) {
2134	warn "$@";	3322	warn "$@",
2135	warn "while executing safe code '$code'\n";	3323	"while executing safe code '$code'\n",
2136	warn "with arguments " . (join " ", %vars) . "\n";	3324	"with arguments " . (join " ", %vars) . "\n";
2137	}	3325	}
2138		3326
2139	wantarray ? @res : $res[0]	3327	wantarray ? @res : $res[0]
2140	}	3328	}
2141		3329
…		…
2155	=cut	3343	=cut
2156		3344
2157	sub register_script_function {	3345	sub register_script_function {
2158	my ($fun, $cb) = @_;	3346	my ($fun, $cb) = @_;
2159		3347
2160	no strict 'refs';	3348	$fun = "safe::$fun" if $CFG{safe_eval};
2161	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3349	*$fun = $safe_hole->wrap ($cb);
2162	}	3350	}
2163		3351
2164	=back	3352	=back
2165		3353
2166	=cut	3354	=cut
2167
2168	#############################################################################
2169
2170	=head2 EXTENSION DATABASE SUPPORT
2171
2172	Crossfire maintains a very simple database for extension use. It can
2173	currently store anything that can be serialised using Storable, which
2174	excludes objects.
2175
2176	The parameter C<$family> should best start with the name of the extension
2177	using it, it should be unique.
2178
2179	=over 4
2180
2181	=item $hashref = cf::db_get $family
2182
2183	Return a hashref for use by the extension C<$family>, which can be
2184	modified. After modifications, you have to call C<cf::db_dirty> or
2185	C<cf::db_sync>.
2186
2187	=item $value = cf::db_get $family => $key
2188
2189	Returns a single value from the database
2190
2191	=item cf::db_put $family => $hashref
2192
2193	Stores the given family hashref into the database. Updates are delayed, if
2194	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_put $family => $key => $value
2197
2198	Stores the given C<$value> in the family hash. Updates are delayed, if you
2199	want the data to be synced to disk immediately, use C<cf::db_sync>.
2200
2201	=item cf::db_dirty
2202
2203	Marks the database as dirty, to be updated at a later time.
2204
2205	=item cf::db_sync
2206
2207	Immediately write the database to disk I<if it is dirty>.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	{
2214	my $path = cf::localdir . "/database.pst";
2215
2216	sub db_load() {
2217	$DB = stat $path ? Storable::retrieve $path : { };
2218	}
2219
2220	my $pid;
2221
2222	sub db_save() {
2223	waitpid $pid, 0 if $pid;
2224	if (0 == ($pid = fork)) {
2225	$DB->{_meta}{version} = 1;
2226	Storable::nstore $DB, "$path~";
2227	rename "$path~", $path;
2228	cf::_exit 0 if defined $pid;
2229	}
2230	}
2231
2232	my $dirty;
2233
2234	sub db_sync() {
2235	db_save if $dirty;
2236	undef $dirty;
2237	}
2238
2239	my $idle = Event->idle (
2240	reentrant => 0,
2241	min => 10,
2242	max => 20,
2243	repeat => 0,
2244	data => WF_AUTOCANCEL,
2245	cb => \&db_sync,
2246	);
2247
2248	sub db_dirty() {
2249	$dirty = 1;
2250	$idle->start;
2251	}
2252
2253	sub db_get($;$) {
2254	@_ >= 2
2255	? $DB->{$_[0]}{$_[1]}
2256	: ($DB->{$_[0]} ||= { })
2257	}
2258
2259	sub db_put($$;$) {
2260	if (@_ >= 3) {
2261	$DB->{$_[0]}{$_[1]} = $_[2];
2262	} else {
2263	$DB->{$_[0]} = $_[1];
2264	}
2265	db_dirty;
2266	}
2267
2268	cf::global->attach (
2269	prio => 10000,
2270	on_cleanup => sub {
2271	db_sync;
2272	},
2273	);
2274	}
2275		3355
2276	#############################################################################	3356	#############################################################################
2277	# the server's init and main functions	3357	# the server's init and main functions
2278		3358
		3359	sub load_facedata($) {
		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, $v);
		3457	}
		3458	};
		3459
2279	sub load_resources {	3460	sub load_resource_file($) {
2280	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"
2281	or die "unable to load regions file\n";#d#	3476	or die "unable to load regions file\n";
2282	}
2283		3477
2284	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
2285	open my $fh, "<:utf8", cf::confdir . "/config"	3537	open my $fh, "<:utf8", "$CONFDIR/config"
2286	or return;	3538	or return;
2287		3539
2288	local $/;	3540	local $/;
2289	*CFG = YAML::Syck::Load <$fh>;	3541	*CFG = YAML::XS::Load scalar <$fh>;
2290		3542
2291	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3543	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2292		3544
2293	$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};
2294	$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};
2295		3547
2296	if (exists $CFG{mlockall}) {	3548	if (exists $CFG{mlockall}) {
…		…
2298	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3550	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2299	and die "WARNING: m(un)lockall failed: $!\n";	3551	and die "WARNING: m(un)lockall failed: $!\n";
2300	};	3552	};
2301	warn $@ if $@;	3553	warn $@ if $@;
2302	}	3554	}
2303	}
2304		3555
2305	sub init {	3556	trace "finished reloading resource files\n";
2306	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;
2307	}	3585	}
2308		3586
2309	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
2310	# we must not ever block the main coroutine	3597	# we must not ever block the main coroutine
2311	local $Coro::idle = sub {	3598	local $Coro::idle = sub {
2312	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#
2313	(async {	3600	(async {
2314	Event::one_event;	3601	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3602	EV::loop EV::LOOP_ONESHOT;
2315	})->prio (Coro::PRIO_MAX);	3603	})->prio (Coro::PRIO_MAX);
2316	};	3604	};
2317		3605
2318	cfg_load;	3606	evthread_start IO::AIO::poll_fileno;
2319	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
2320	load_extensions;	3629	load_extensions;
2321		3630
2322	$TICK_WATCHER->start;	3631	utime time, time, $RUNTIMEFILE;
2323	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;
2324	}	3644	}
2325		3645
2326	#############################################################################	3646	#############################################################################
2327	# initialisation and cleanup	3647	# initialisation and cleanup
2328		3648
2329	# install some emergency cleanup handlers	3649	# install some emergency cleanup handlers
2330	BEGIN {	3650	BEGIN {
		3651	our %SIGWATCHER = ();
2331	for my $signal (qw(INT HUP TERM)) {	3652	for my $signal (qw(INT HUP TERM)) {
2332	Event->signal (	3653	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2333	reentrant => 0,
2334	data => WF_AUTOCANCEL,
2335	signal => $signal,
2336	prio => 0,
2337	cb => sub {
2338	cf::cleanup "SIG$signal";	3654	cf::cleanup "SIG$signal";
2339	},
2340	);	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
2341	}	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 };
2342	}	3745	}
2343		3746
2344	sub emergency_save() {	3747	sub emergency_save() {
2345	my $freeze_guard = cf::freeze_mainloop;	3748	my $freeze_guard = cf::freeze_mainloop;
2346		3749
2347	warn "enter emergency perl save\n";	3750	info "emergency_perl_save: enter\n";
2348		3751
2349	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
2350	# use a peculiar iteration method to avoid tripping on perl	3758	# use a peculiar iteration method to avoid tripping on perl
2351	# refcount bugs in for. also avoids problems with players	3759	# refcount bugs in for. also avoids problems with players
2352	# and maps saved/destroyed asynchronously.	3760	# and maps saved/destroyed asynchronously.
2353	warn "begin emergency player save\n";	3761	info "emergency_perl_save: begin player save\n";
2354	for my $login (keys %cf::PLAYER) {	3762	for my $login (keys %cf::PLAYER) {
2355	my $pl = $cf::PLAYER{$login} or next;	3763	my $pl = $cf::PLAYER{$login} or next;
2356	$pl->valid or next;	3764	$pl->valid or next;
		3765	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2357	$pl->save;	3766	$pl->save;
2358	}	3767	}
2359	warn "end emergency player save\n";	3768	info "emergency_perl_save: end player save\n";
2360		3769
2361	warn "begin emergency map save\n";	3770	info "emergency_perl_save: begin map save\n";
2362	for my $path (keys %cf::MAP) {	3771	for my $path (keys %cf::MAP) {
2363	my $map = $cf::MAP{$path} or next;	3772	my $map = $cf::MAP{$path} or next;
2364	$map->valid or next;	3773	$map->valid or next;
2365	$map->save;	3774	$map->save;
2366	}	3775	}
2367	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 $DB_ENV;
		3780	info "emergency_perl_save: end database checkpoint\n";
		3781
		3782	info "emergency_perl_save: begin write uuid\n";
		3783	write_uuid_sync 1;
		3784	info "emergency_perl_save: end write uuid\n";
2368	};	3785	};
2369		3786
2370	warn "leave emergency perl save\n";	3787	info "emergency_perl_save: starting sync()\n";
2371	}	3788	IO::AIO::aio_sync sub {
		3789	info "emergency_perl_save: finished sync()\n";
		3790	};
2372		3791
		3792	info "emergency_perl_save: leave\n";
		3793	}
		3794
		3795	sub post_cleanup {
		3796	my ($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
2373	sub reload() {	3830	sub do_reload_perl() {
2374	# can/must only be called in main	3831	# can/must only be called in main
2375	if ($Coro::current != $Coro::main) {	3832	if (in_main) {
2376	warn "can only reload from main coroutine";	3833	error "can only reload from main coroutine";
2377	return;	3834	return;
2378	}	3835	}
2379		3836
		3837	return if $RELOAD++;
		3838
		3839	my $t1 = AE::time;
		3840
		3841	while ($RELOAD) {
2380	warn "reloading...";	3842	info "reloading...";
2381		3843
2382	warn "cancelling server ticker";	3844	trace "entering sync_job";
2383	$TICK_WATCHER->cancel;
2384		3845
		3846	cf::sync_job {
		3847	cf::write_runtime_sync; # external watchdog should not bark
2385	cf::emergency_save;	3848	cf::emergency_save;
		3849	cf::write_runtime_sync; # external watchdog should not bark
2386		3850
2387	eval {	3851	trace "syncing database to disk";
		3852	BDB::db_env_txn_checkpoint $DB_ENV;
		3853
2388	# 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
2389		3855
2390	warn "syncing database to disk";
2391	cf::db_sync;
2392
2393	warn "cancelling all WF_AUTOCANCEL watchers";
2394	for (Event::all_watchers) {
2395	$_->cancel if $_->data & WF_AUTOCANCEL;
2396	}
2397
2398	warn "flushing outstanding aio requests";	3856	trace "flushing outstanding aio requests";
2399	for (;;) {	3857	while (IO::AIO::nreqs || BDB::nreqs) {
2400	IO::AIO::flush;	3858	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2401	Coro::cede;
2402	last unless IO::AIO::nreqs;
2403	warn "iterate...";
2404	}
2405
2406	warn "cancelling all extension coros";
2407	$_->cancel for values %EXT_CORO;
2408	%EXT_CORO = ();
2409
2410	warn "removing commands";
2411	%COMMAND = ();
2412
2413	warn "removing ext commands";
2414	%EXTCMD = ();
2415
2416	warn "unloading/nuking all extensions";
2417	for my $pkg (@EXTS) {
2418	warn "... unloading $pkg";
2419
2420	if (my $cb = $pkg->can ("unload")) {
2421	eval {
2422	$cb->($pkg);
2423	1
2424	} or warn "$pkg unloaded, but with errors: $@";
2425	}	3859	}
2426		3860
2427	warn "... nuking $pkg";	3861	trace "cancelling all extension coros";
2428	Symbol::delete_package $pkg;	3862	$_->cancel for values %EXT_CORO;
2429	}	3863	%EXT_CORO = ();
2430		3864
2431	warn "unloading all perl modules loaded from $LIBDIR";	3865	trace "removing commands";
2432	while (my ($k, $v) = each %INC) {	3866	%COMMAND = ();
2433	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2434		3867
		3868	trace "removing ext/exti commands";
		3869	%EXTCMD = ();
		3870	%EXTICMD = ();
		3871
		3872	trace "unloading/nuking all extensions";
		3873	for my $pkg (@EXTS) {
2435	warn "... unloading $k";	3874	trace "... unloading $pkg";
2436	delete $INC{$k};
2437		3875
2438	$k =~ s/\.pm$//;
2439	$k =~ s/\//::/g;
2440
2441	if (my $cb = $k->can ("unload_module")) {	3876	if (my $cb = $pkg->can ("unload")) {
		3877	eval {
2442	$cb->();	3878	$cb->($pkg);
		3879	1
		3880	} or error "$pkg unloaded, but with errors: $@";
		3881	}
		3882
		3883	trace "... clearing $pkg";
		3884	clear_package $pkg;
2443	}	3885	}
2444		3886
2445	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;
2446	}	3902	}
2447		3903
2448	warn "getting rid of safe::, as good as possible";	3904	trace "getting rid of safe::, as good as possible";
2449	Symbol::delete_package "safe::$_"	3905	clear_package "safe::$_"
2450	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);
2451		3907
2452	warn "unloading cf.pm \"a bit\"";	3908	trace "unloading cf.pm \"a bit\"";
2453	delete $INC{"cf.pm"};	3909	delete $INC{"cf.pm"};
		3910	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2454		3911
2455	# don't, removes xs symbols, too,	3912	# don't, removes xs symbols, too,
2456	# and global variables created in xs	3913	# and global variables created in xs
2457	#Symbol::delete_package __PACKAGE__;	3914	#clear_package __PACKAGE__;
2458		3915
2459	warn "unload completed, starting to reload now";	3916	info "unload completed, starting to reload now";
2460		3917
2461	warn "reloading cf.pm";	3918	trace "reloading cf.pm";
2462	require cf;	3919	require cf;
2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3920	cf::_connect_to_perl_1;
2464		3921
2465	warn "loading config and database again";	3922	trace "loading config and database again";
2466	cf::cfg_load;	3923	cf::reload_config;
2467	cf::db_load;
2468		3924
2469	warn "loading extensions";	3925	trace "loading extensions";
2470	cf::load_extensions;	3926	cf::load_extensions;
2471		3927
		3928	if ($REATTACH_ON_RELOAD) {
2472	warn "reattaching attachments to objects/players";	3929	trace "reattaching attachments to objects/players";
2473	_global_reattach;	3930	_global_reattach; # objects, sockets
2474	warn "reattaching attachments to maps";	3931	trace "reattaching attachments to maps";
2475	reattach $_ for values %MAP;	3932	reattach $_ for values %MAP;
		3933	trace "reattaching attachments to players";
		3934	reattach $_ for values %PLAYER;
		3935	}
2476		3936
2477	warn "loading reloadable resources";	3937	trace "running post_init jobs";
2478	load_resources;	3938	(pop @POST_INIT)->(1) while @POST_INIT;
2479		3939
2480	warn "restarting server ticker";	3940	trace "leaving sync_job";
2481		3941
2482	$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	};
2483	};	3969	};
2484		3970	}
2485	if ($@) {
2486	warn $@;
2487	warn "error while reloading, exiting.";
2488	exit 1;
2489	}
2490
2491	warn "reloaded";
2492	};
2493
2494	our $RELOAD_WATCHER; # used only during reload
2495		3971
2496	register_command "reload" => sub {	3972	register_command "reload" => sub {
2497	my ($who, $arg) = @_;	3973	my ($who, $arg) = @_;
2498		3974
2499	if ($who->flag (FLAG_WIZ)) {	3975	if ($who->flag (FLAG_WIZ)) {
2500	$who->message ("reloading server.");	3976	$who->message ("reloading server.");
2501		3977	async {
2502	# doing reload synchronously and two reloads happen back-to-back,	3978	$Coro::current->{desc} = "perl_reload";
2503	# coro crashes during coro_state_free->destroy here.
2504
2505	$RELOAD_WATCHER ||= Event->timer (
2506	reentrant => 0,
2507	after => 0,
2508	data => WF_AUTOCANCEL,
2509	cb => sub {
2510	reload;	3979	reload_perl;
2511	undef $RELOAD_WATCHER;
2512	},
2513	);	3980	};
2514	}	3981	}
2515	};	3982	};
2516		3983
2517	unshift @INC, $LIBDIR;	3984	unshift @INC, $LIBDIR;
2518		3985
2519	my $bug_warning = 0;	3986	my $bug_warning = 0;
2520		3987
2521	$TICK_WATCHER = Event->timer (	3988	our @WAIT_FOR_TICK;
2522	reentrant => 0,	3989	our @WAIT_FOR_TICK_BEGIN;
2523	parked => 1,	3990
2524	prio => 0,	3991	sub wait_for_tick {
2525	at => $NEXT_TICK || $TICK,	3992	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2526	data => WF_AUTOCANCEL,	3993
2527	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 {
2528	if ($Coro::current != $Coro::main) {	4008	if ($Coro::current != $Coro::main) {
2529	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"
2530	unless ++$bug_warning > 10;	4010	unless ++$bug_warning > 10;
2531	return;	4011	return;
2532	}	4012	}
2533		4013
2534	$NOW = Event::time;
2535
2536	cf::server_tick; # one server iteration	4014	cf::server_tick; # one server iteration
2537	$RUNTIME += $TICK;
2538	$NEXT_TICK += $TICK;
2539		4015
2540	$WAIT_FOR_TICK->broadcast;	4016	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2541	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2542		4017
2543	Event::sweep;	4018	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2544	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#
2545		4042	}
2546	# my $AFTER = Event::time;
2547	# warn $AFTER - $NOW;#d#
2548
2549	# if we are delayed by four ticks or more, skip them all
2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2551
2552	$TICK_WATCHER->at ($NEXT_TICK);
2553	$TICK_WATCHER->start;
2554	},	4043	}
2555	);	4044	}
2556		4045
		4046	{
		4047	# configure BDB
		4048
		4049	BDB::min_parallel 16;
		4050	BDB::max_poll_reqs $TICK * 0.1;
		4051	$AnyEvent::BDB::WATCHER->priority (1);
		4052
		4053	unless ($DB_ENV) {
		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);
		4060
		4061	cf::sync_job {
		4062	eval {
		4063	BDB::db_env_open
		4064	$DB_ENV,
		4065	$BDBDIR,
		4066	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4067	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4068	0666;
		4069
		4070	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4071	};
		4072
		4073	cf::cleanup "db_env_open(db): $@" if $@;
		4074	};
		4075	}
		4076
		4077	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4078	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4079	};
		4080	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4081	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4082	};
		4083	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4084	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4085	};
		4086	}
		4087
		4088	{
		4089	# configure IO::AIO
		4090
		4091	IO::AIO::min_parallel 8;
2557	IO::AIO::max_poll_time $TICK * 0.1;	4092	IO::AIO::max_poll_time $TICK * 0.1;
		4093	undef $AnyEvent::AIO::WATCHER;
		4094	}
2558		4095
2559	undef $Coro::AIO::WATCHER;	4096	my $_log_backtrace;
2560	$AIO_POLL_WATCHER = Event->io (
2561	reentrant => 0,
2562	fd => IO::AIO::poll_fileno,
2563	poll => 'r',
2564	prio => 6,
2565	data => WF_AUTOCANCEL,
2566	cb => \&IO::AIO::poll_cb,
2567	);
2568		4097
2569	$WRITE_RUNTIME_WATCHER = Event->timer (	4098	sub _log_backtrace {
2570	reentrant => 0,	4099	my ($msg, @addr) = @_;
2571	data => WF_AUTOCANCEL,	4100
2572	after => 1,	4101	$msg =~ s/\n//;
2573	interval => 10,	4102
2574	prio => 6, # keep it lowest so it acts like a watchdog	4103	# limit the # of concurrent backtraces
2575	cb => Coro::unblock_sub {	4104	if ($_log_backtrace < 2) {
2576	write_runtime	4105	++$_log_backtrace;
2577	or warn "ERROR: unable to write runtime file: $!";	4106	my $perl_bt = Carp::longmess $msg;
		4107	async {
		4108	$Coro::current->{desc} = "abt $msg";
		4109
		4110	my @bt = fork_call {
		4111	@addr = map { sprintf "%x", $_ } @addr;
		4112	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4113	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4114	or die "addr2line: $!";
		4115
		4116	my @funcs;
		4117	my @res = <$fh>;
		4118	chomp for @res;
		4119	while (@res) {
		4120	my ($func, $line) = splice @res, 0, 2, ();
		4121	push @funcs, "[$func] $line";
		4122	}
		4123
		4124	@funcs
		4125	};
		4126
		4127	LOG llevInfo, "[ABT] $perl_bt\n";
		4128	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4129	LOG llevInfo, "[ABT] $_\n" for @bt;
		4130	--$_log_backtrace;
		4131	};
		4132	} else {
		4133	LOG llevInfo, "[ABT] $msg\n";
		4134	LOG llevInfo, "[ABT] [suppressed]\n";
2578	},	4135	}
2579	);	4136	}
		4137
		4138	# load additional modules
		4139	require "cf/$_.pm" for @EXTRA_MODULES;
		4140	cf::_connect_to_perl_2;
2580		4141
2581	END { cf::emergency_save }	4142	END { cf::emergency_save }
2582		4143
2583	1	4144	1
2584		4145

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