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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 1.543 by root, Wed May 5 23:23:29 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	56	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
25	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
26		62
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		78
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		80
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
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 incloader);
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 ($Coro::main)
289	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
290	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
291		512
292	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
293	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
294	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
295	fast or be very important.	516	fast or be very important.
…		…
297	=cut	518	=cut
298		519
299	sub sync_job(&) {	520	sub sync_job(&) {
300	my ($job) = @_;	521	my ($job) = @_;
301		522
302	if ($Coro::current == $Coro::main) {	523	if (in_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	cf::error "db_get called from main context"
		663	if $Coro::current == $Coro::main;
		664
		665	my ($name) = @_;
		666	my $db = BDB::db_create $DB_ENV;
		667
		668	eval {
		669	$db->set_flags (BDB::CHKSUM);
		670
		671	utf8::encode $name;
		672	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		673	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		674	cf::cleanup "db_open(db): $!" if $!;
		675	};
		676	cf::cleanup "db_open(db): $@" if $@;
		677
		678	$db
		679	}
		680
		681	our $DB;
		682
		683	sub db_init {
		684	$DB ||= db_table "db";
		685	}
		686
		687	sub db_get($$) {
		688	my $key = "$_[0]/$_[1]";
		689
		690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
		693	BDB::db_get $DB, undef, $key, my $data;
		694
		695	$! ? ()
		696	: $data
		697	}
		698
		699	sub db_put($$$) {
		700	BDB::dbreq_pri 4;
		701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		702	}
		703
		704	=item cf::cache $id => [$paths...], $processversion => $process
		705
		706	Generic caching function that returns the value of the resource $id,
		707	caching and regenerating as required.
		708
		709	This function can block.
		710
		711	=cut
		712
		713	sub cache {
		714	my ($id, $src, $processversion, $process) = @_;
		715
		716	my $meta =
		717	join "\x00",
		718	$processversion,
		719	map {
		720	aio_stat $_
		721	and Carp::croak "$_: $!";
		722
		723	($_, (stat _)[7,9])
		724	} @$src;
		725
		726	my $dbmeta = db_get cache => "$id/meta";
		727	if ($dbmeta ne $meta) {
		728	# changed, we may need to process
		729
		730	my @data;
		731	my $md5;
		732
		733	for (0 .. $#$src) {
		734	0 <= aio_load $src->[$_], $data[$_]
		735	or Carp::croak "$src->[$_]: $!";
		736	}
		737
		738	# if processing is expensive, check
		739	# checksum first
		740	if (1) {
		741	$md5 =
		742	join "\x00",
		743	$processversion,
		744	map {
		745	cf::cede_to_tick;
		746	($src->[$_], Digest::MD5::md5_hex $data[$_])
		747	} 0.. $#$src;
		748
		749
		750	my $dbmd5 = db_get cache => "$id/md5";
		751	if ($dbmd5 eq $md5) {
		752	db_put cache => "$id/meta", $meta;
		753
		754	return db_get cache => "$id/data";
		755	}
		756	}
		757
		758	my $t1 = Time::HiRes::time;
		759	my $data = $process->(\@data);
		760	my $t2 = Time::HiRes::time;
		761
		762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		763
		764	db_put cache => "$id/data", $data;
		765	db_put cache => "$id/md5" , $md5;
		766	db_put cache => "$id/meta", $meta;
		767
		768	return $data;
		769	}
		770
		771	db_get cache => "$id/data"
		772	}
		773
		774	=item cf::datalog type => key => value, ...
		775
		776	Log a datalog packet of the given type with the given key-value pairs.
		777
		778	=cut
		779
		780	sub datalog($@) {
		781	my ($type, %kv) = @_;
		782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
375	}	783	}
376		784
377	=back	785	=back
378		786
379	=cut	787	=cut
380		788
381	#############################################################################	789	#############################################################################
382		790
383	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
384		792
385	Many objects in crossfire are so-called attachable objects. That means you can	793	Many objects in deliantra are so-called attachable objects. That means you can
386	attach callbacks/event handlers (a collection of which is called an "attachment")	794	attach callbacks/event handlers (a collection of which is called an "attachment")
387	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
388		796
389	In the following description, CLASS can be any of C<global>, C<object>	797	In the following description, CLASS can be any of C<global>, C<object>
390	C<player>, C<client> or C<map> (i.e. the attachable objects in	798	C<player>, C<client> or C<map> (i.e. the attachable objects in
391	crossfire+).	799	Deliantra).
392		800
393	=over 4	801	=over 4
394		802
395	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
396		804
…		…
440	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
441		849
442	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
443	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
444		852
445	Some classes such as crossfire maps and objects can specify attachments	853	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.	854	that are attached at load/instantiate time, thus the need for a name.
447		855
448	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
449		857
450	=over 4	858	=over 4
…		…
559	$registry = $CB_TYPE[$object_type] ||= [];	967	$registry = $CB_TYPE[$object_type] ||= [];
560		968
561	} elsif ($type eq "subtype") {	969	} elsif ($type eq "subtype") {
562	defined $object_type or Carp::croak "subtype specified without type";	970	defined $object_type or Carp::croak "subtype specified without type";
563	my $object_subtype = shift @arg;	971	my $object_subtype = shift @arg;
564	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	972	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
565		973
566	} elsif ($type eq "package") {	974	} elsif ($type eq "package") {
567	my $pkg = shift @arg;	975	my $pkg = shift @arg;
568		976
569	while (my ($name, $id) = each %cb_id) {	977	while (my ($name, $id) = each %cb_id) {
…		…
574		982
575	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
576	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
577		985
578	} elsif (ref $type) {	986	} elsif (ref $type) {
579	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
580		988
581	} else {	989	} else {
582	shift @arg;	990	shift @arg;
583	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
584	}	992	}
585	}	993	}
586	}	994	}
587		995
588	sub _object_attach {	996	sub _object_attach {
…		…
598	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
599	}	1007	}
600		1008
601	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
602	} else {	1010	} else {
603	warn "object uses attachment '$name' that is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
604	}	1012	}
605		1013
606	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
607	}	1015	}
608		1016
…		…
610	if (ref $_[0]) {	1018	if (ref $_[0]) {
611	_object_attach @_;	1019	_object_attach @_;
612	} else {	1020	} else {
613	_attach shift->_attach_registry, @_;	1021	_attach shift->_attach_registry, @_;
614	}	1022	}
		1023	_recalc_want;
615	};	1024	};
616		1025
617	# all those should be optimised	1026	# all those should be optimised
618	sub cf::attachable::detach {	1027	sub cf::attachable::detach {
619	my ($obj, $name) = @_;	1028	my ($obj, $name) = @_;
…		…
622	delete $obj->{_attachment}{$name};	1031	delete $obj->{_attachment}{$name};
623	reattach ($obj);	1032	reattach ($obj);
624	} else {	1033	} else {
625	Carp::croak "cannot, currently, detach class attachments";	1034	Carp::croak "cannot, currently, detach class attachments";
626	}	1035	}
		1036	_recalc_want;
627	};	1037	};
628		1038
629	sub cf::attachable::attached {	1039	sub cf::attachable::attached {
630	my ($obj, $name) = @_;	1040	my ($obj, $name) = @_;
631		1041
…		…
646	";	1056	";
647	die if $@;	1057	die if $@;
648	}	1058	}
649		1059
650	our $override;	1060	our $override;
651	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1061	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
652		1062
653	sub override {	1063	sub override {
654	$override = 1;	1064	$override = 1;
655	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
656	}	1066	}
657		1067
658	sub do_invoke {	1068	sub do_invoke {
659	my $event = shift;	1069	my $event = shift;
660	my $callbacks = shift;	1070	my $callbacks = shift;
661		1071
662	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
663		1073
664	local $override;	1074	local $override;
665		1075
666	for (@$callbacks) {	1076	for (@$callbacks) {
667	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
668		1078
669	if ($@) {	1079	if ($@) {
670	warn "$@";
671	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
672	override;	1081	override;
673	}	1082	}
674		1083
675	return 1 if $override;	1084	return 1 if $override;
676	}	1085	}
677		1086
678	0	1087	0
679	}	1088	}
680		1089
681	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
682		1091
683	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
684		1093
685	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
686		1095
687	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1096	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
688	removed in future versions), and there is no public API to access override	1097	removed in future versions), and there is no public API to access override
689	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
690		1099
691	=back	1100	=back
692		1101
693	=cut	1102	=cut
694		1103
695	#############################################################################	1104	#############################################################################
696	# object support	1105	# object support
		1106
		1107	sub _object_equal($$);
		1108	sub _object_equal($$) {
		1109	my ($a, $b) = @_;
		1110
		1111	return 0 unless (ref $a) eq (ref $b);
		1112
		1113	if ("HASH" eq ref $a) {
		1114	my @ka = keys %$a;
		1115	my @kb = keys %$b;
		1116
		1117	return 0 if @ka != @kb;
		1118
		1119	for (0 .. $#ka) {
		1120	return 0 unless $ka[$_] eq $kb[$_];
		1121	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1122	}
		1123
		1124	} elsif ("ARRAY" eq ref $a) {
		1125
		1126	return 0 if @$a != @$b;
		1127
		1128	for (0 .. $#$a) {
		1129	return 0 unless _object_equal $a->[$_], $b->[$_];
		1130	}
		1131
		1132	} elsif ($a ne $b) {
		1133	return 0;
		1134	}
		1135
		1136	1
		1137	}
		1138
		1139	our $SLOW_MERGES;#d#
		1140	sub _can_merge {
		1141	my ($ob1, $ob2) = @_;
		1142
		1143	++$SLOW_MERGES;#d#
		1144
		1145	# we do the slow way here
		1146	return _object_equal $ob1, $ob2
		1147	}
697		1148
698	sub reattach {	1149	sub reattach {
699	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
700	my ($obj) = @_;	1151	my ($obj) = @_;
701		1152
		1153	# no longer needed after getting rid of delete_package?
702	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1154	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
703		1155
704	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
705		1157
706	@$registry = ();	1158	@$registry = ();
707		1159
…		…
712	for (@$attach) {	1164	for (@$attach) {
713	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
714	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
715	}	1167	}
716	} else {	1168	} else {
717	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
718	}	1170	}
719	}	1171	}
720	}	1172	}
721		1173
722	cf::attachable->attach (	1174	cf::attachable->attach (
723	prio => -1000000,	1175	prio => -1000000,
724	on_instantiate => sub {	1176	on_instantiate => sub {
725	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
726		1178
727	$data = from_json $data;	1179	$data = decode_json $data;
728		1180
729	for (@$data) {	1181	for (@$data) {
730	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
731		1183
732	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
748	sub object_freezer_save {	1200	sub object_freezer_save {
749	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
750		1202
751	sync_job {	1203	sync_job {
752	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
753	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
754	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
755		1209
756	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
758	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
759	aio_fsync $fh if $cf::USE_FSYNC;	1213	if ($cf::USE_FSYNC) {
		1214	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1215	aio_fsync $fh;
		1216	}
760	close $fh;	1217	aio_close $fh;
761		1218
762	if (@$objs) {	1219	if (@$objs) {
763	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1220	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
765	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
766	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
767	aio_fsync $fh if $cf::USE_FSYNC;	1224	if ($cf::USE_FSYNC) {
		1225	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1226	aio_fsync $fh;
		1227	}
768	close $fh;	1228	aio_close $fh;
769	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
770	}	1230	}
771	} else {	1231	} else {
772	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
773	}	1233	}
774		1234
775	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
776	} else {	1239	} else {
777	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
778	}	1241	}
779	} else {	1242	} else {
780	aio_unlink $filename;	1243	aio_unlink $filename;
781	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
782	}	1245	}
783
784	#d##TODO# nuke non .map-files if exist
785	if ($filename =~ s/\.map$//) {
786	aio_unlink $filename;
787	aio_unlink "$filename.pst";
788	}
789	}	1246	};
790	}	1247	}
791		1248
792	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
793	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
794		1251
…		…
799		1256
800	sub object_thawer_load {	1257	sub object_thawer_load {
801	my ($filename) = @_;	1258	my ($filename) = @_;
802		1259
803	my ($data, $av);	1260	my ($data, $av);
804
805	#d#TODO remove .map if file does not exist
806	aio_stat $filename and $filename =~ s/\.map$//;
807		1261
808	(aio_load $filename, $data) >= 0	1262	(aio_load $filename, $data) >= 0
809	or return;	1263	or return;
810		1264
811	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
813	or return;	1267	or return;
		1268
814	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
815	}	1271	}
816		1272
		1273	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
819	return ($data, $av);	1278	($data, $av)
820	}	1279	}
		1280
		1281	=head2 COMMAND CALLBACKS
		1282
		1283	=over 4
		1284
		1285	=cut
821		1286
822	#############################################################################	1287	#############################################################################
823	# command handling &c	1288	# command handling &c
824		1289
825	=item cf::register_command $name => \&callback($ob,$args);	1290	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1304	}
840		1305
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1307
843	Register a callbackf ro execution when the client sends an extcmd packet.	1308	Register a callback for execution when the client sends an (synchronous)
		1309	extcmd packet. Ext commands will be processed in the order they are
		1310	received by the server, like other user commands. The first argument is
		1311	the logged-in player. Ext commands can only be processed after a player
		1312	has logged in successfully.
844		1313
845	If the callback returns something, it is sent back as if reply was being	1314	If the callback returns something, it is sent back as if reply was being
846	called.	1315	called.
847		1316
		1317	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1318
		1319	Register a callback for execution when the client sends an (asynchronous)
		1320	exticmd packet. Exti commands are processed by the server as soon as they
		1321	are received, i.e. out of order w.r.t. other commands. The first argument
		1322	is a client socket. Exti commands can be received anytime, even before
		1323	log-in.
		1324
		1325	If the callback returns something, it is sent back as if reply was being
		1326	called.
		1327
848	=cut	1328	=cut
849		1329
850	sub register_extcmd {	1330	sub register_extcmd {
851	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
852		1332
853	$EXTCMD{$name} = $cb;	1333	$EXTCMD{$name} = $cb;
854	}	1334	}
855		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
		1343
856	cf::player->attach (	1344	cf::player->attach (
857	on_command => sub {	1345	on_unknown_command => sub {
858	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
859		1347
860	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
861	or return;	1349	or return;
862		1350
…		…
867	cf::override;	1355	cf::override;
868	},	1356	},
869	on_extcmd => sub {	1357	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
871		1359
872	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1361
874	if (ref $msg) {	1362	if (ref $msg) {
		1363	my ($type, $reply, @payload) =
		1364	"ARRAY" eq ref $msg
		1365	? @$msg
		1366	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1367
		1368	my @reply;
		1369
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
880	} else {	1377	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1379	}
883		1380
884	cf::override;	1381	cf::override;
885	},	1382	},
886	);	1383	);
887		1384
		1385	# "readahead" all extensions
888	sub load_extension {	1386	sub cache_extensions {
889	my ($path) = @_;	1387	my $grp = IO::AIO::aio_group;
890		1388
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
892	my $base = $1;	1390	for (grep /\.ext$/, @{$_[0]}) {
893	my $pkg = $1;	1391	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	}	1392	}
916	die $@;
917	}	1393	};
918		1394
919	push @EXTS, $pkg;	1395	$grp
920	}	1396	}
921		1397
922	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
		1401	cf::sync_job {
		1402	my %todo;
		1403
923	for my $ext (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1405	next unless -r $path;
925	eval {	1406
926	load_extension $ext;	1407	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1408	my $base = $1;
		1409	my $pkg = $1;
		1410	$pkg =~ s/[^[:word:]]/_/g;
		1411	$pkg = "ext::$pkg";
		1412
		1413	open my $fh, "<:utf8", $path
		1414	or die "$path: $!";
		1415
		1416	my $source = do { local $/; <$fh> };
		1417
		1418	my %ext = (
		1419	path => $path,
		1420	base => $base,
		1421	pkg => $pkg,
		1422	);
		1423
		1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1426
		1427	$ext{source} =
		1428	"package $pkg; use common::sense;\n"
		1429	. "#line 1 \"$path\"\n{\n"
		1430	. $source
		1431	. "\n};\n1";
		1432
		1433	$todo{$base} = \%ext;
		1434	}
		1435
		1436	my $pass = 0;
		1437	my %done;
		1438	while (%todo) {
		1439	my $progress;
		1440
		1441	++$pass;
		1442
		1443	ext:
		1444	while (my ($k, $v) = each %todo) {
		1445	for (split /,\s*/, $v->{meta}{depends}) {
		1446	next ext
		1447	unless exists $done{$_};
		1448	}
		1449
		1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1451
		1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
		1455	error "$v->{path}: $@\n";
		1456
		1457	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1458	if exists $v->{meta}{mandatory};
		1459
		1460	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1461	delete $todo{$k};
		1462	} else {
		1463	$done{$k} = delete $todo{$k};
		1464	push @EXTS, $v->{pkg};
		1465	$progress = 1;
		1466
		1467	info "$v->{base}: extension inactive.\n"
		1468	unless $active;
		1469	}
927	1	1470	}
928	} or warn "$ext not loaded: $@";	1471
		1472	unless ($progress) {
		1473	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1474
		1475	while (my ($k, $v) = each %todo) {
		1476	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1477	if exists $v->{meta}{mandatory};
		1478	}
		1479	}
		1480	}
929	}	1481	};
930	}	1482	}
931		1483
932	#############################################################################	1484	#############################################################################
933		1485
		1486	=back
		1487
934	=head2 CORE EXTENSIONS	1488	=head2 CORE EXTENSIONS
935		1489
936	Functions and methods that extend core crossfire objects.	1490	Functions and methods that extend core deliantra objects.
937		1491
938	=cut	1492	=cut
939		1493
940	package cf::player;	1494	package cf::player;
941		1495
…		…
943		1497
944	=head3 cf::player	1498	=head3 cf::player
945		1499
946	=over 4	1500	=over 4
947		1501
		1502	=item cf::player::num_playing
		1503
		1504	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1505
		1506	=cut
		1507
		1508	sub num_playing {
		1509	scalar grep
		1510	$_->ob->map
		1511	&& !$_->hidden
		1512	&& !$_->ob->flag (cf::FLAG_WIZ),
		1513	cf::player::list
		1514	}
		1515
948	=item cf::player::find $login	1516	=item cf::player::find $login
949		1517
950	Returns the given player object, loading it if necessary (might block).	1518	Returns the given player object, loading it if necessary (might block).
951		1519
952	=cut	1520	=cut
953		1521
954	sub playerdir($) {	1522	sub playerdir($) {
955	cf::localdir	1523	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1524	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1525	}
961		1526
962	sub path($) {	1527	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1528	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1529
965	(playerdir $login) . "/$login.pl"	1530	(playerdir $login) . "/playerdata"
966	}	1531	}
967		1532
968	sub find_active($) {	1533	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1534	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1535	and $cf::PLAYER{$_[0]}->active
…		…
973		1538
974	sub exists($) {	1539	sub exists($) {
975	my ($login) = @_;	1540	my ($login) = @_;
976		1541
977	$cf::PLAYER{$login}	1542	$cf::PLAYER{$login}
978	or cf::sync_job { !aio_stat path $login }	1543	or !aio_stat path $login
979	}	1544	}
980		1545
981	sub find($) {	1546	sub find($) {
982	return $cf::PLAYER{$_[0]} || do {	1547	return $cf::PLAYER{$_[0]} || do {
983	my $login = $_[0];	1548	my $login = $_[0];
984		1549
985	my $guard = cf::lock_acquire "user_find:$login";	1550	my $guard = cf::lock_acquire "user_find:$login";
986		1551
987	$cf::PLAYER{$_[0]} || do {	1552	$cf::PLAYER{$_[0]} || do {
988	my $pl = load_pl path $login	1553	# rename old playerfiles to new ones
		1554	#TODO: remove when no longer required
		1555	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1556	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1557	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1558	aio_unlink +(playerdir $login) . "/$login.pl";
		1559
		1560	my $f = new_from_file cf::object::thawer path $login
989	or return;	1561	or return;
		1562
		1563	my $pl = cf::player::load_pl $f
		1564	or return;
		1565
		1566	local $cf::PLAYER_LOADING{$login} = $pl;
		1567	$f->resolve_delayed_derefs;
990	$cf::PLAYER{$login} = $pl	1568	$cf::PLAYER{$login} = $pl
991	}	1569	}
992	}	1570	}
993	}	1571	}
		1572
		1573	cf::player->attach (
		1574	on_load => sub {
		1575	my ($pl, $path) = @_;
		1576
		1577	# restore slots saved in save, below
		1578	my $slots = delete $pl->{_slots};
		1579
		1580	$pl->ob->current_weapon ($slots->[0]);
		1581	$pl->combat_ob ($slots->[1]);
		1582	$pl->ranged_ob ($slots->[2]);
		1583	},
		1584	);
994		1585
995	sub save($) {	1586	sub save($) {
996	my ($pl) = @_;	1587	my ($pl) = @_;
997		1588
998	return if $pl->{deny_save};	1589	return if $pl->{deny_save};
…		…
1003	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
1004		1595
1005	aio_mkdir playerdir $pl, 0770;	1596	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1597	$pl->{last_save} = $cf::RUNTIME;
1007		1598
		1599	cf::get_slot 0.01;
		1600
		1601	# save slots, to be restored later
		1602	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1603
1008	$pl->save_pl ($path);	1604	$pl->save_pl ($path);
1009	Coro::cede;	1605	cf::cede_to_tick;
1010	}	1606	}
1011		1607
1012	sub new($) {	1608	sub new($) {
1013	my ($login) = @_;	1609	my ($login) = @_;
1014		1610
…		…
1020	$cf::PLAYER{$login} = $self;	1616	$cf::PLAYER{$login} = $self;
1021		1617
1022	$self	1618	$self
1023	}	1619	}
1024		1620
		1621	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1622
		1623	=cut
		1624
		1625	sub send_msg {
		1626	my $ns = shift->ns
		1627	or return;
		1628	$ns->send_msg (@_);
		1629	}
		1630
1025	=item $pl->quit_character	1631	=item $pl->quit_character
1026		1632
1027	Nukes the player without looking back. If logged in, the connection will	1633	Nukes the player without looking back. If logged in, the connection will
1028	be destroyed. May block for a long time.	1634	be destroyed. May block for a long time.
1029		1635
1030	=cut	1636	=cut
1031		1637
1032	sub quit_character {	1638	sub quit_character {
1033	my ($pl) = @_;	1639	my ($pl) = @_;
1034		1640
		1641	my $name = $pl->ob->name;
		1642
1035	$pl->{deny_save} = 1;	1643	$pl->{deny_save} = 1;
1036	$pl->password ("*"); # this should lock out the player until we nuked the dir	1644	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1037		1645
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1646	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1039	$pl->deactivate;	1647	$pl->deactivate;
		1648	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1040	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1649	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1041	$pl->ns->destroy if $pl->ns;	1650	$pl->ns->destroy if $pl->ns;
1042		1651
1043	my $path = playerdir $pl;	1652	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1653	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1654	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1655	delete $cf::PLAYER{$pl->ob->name};
1047	$pl->destroy;	1656	$pl->destroy;
		1657
		1658	my $prefix = qr<^~\Q$name\E/>;
		1659
		1660	# nuke player maps
		1661	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1662
1048	IO::AIO::aio_rmtree $temp;	1663	IO::AIO::aio_rmtree $temp;
		1664	}
		1665
		1666	=item $pl->kick
		1667
		1668	Kicks a player out of the game. This destroys the connection.
		1669
		1670	=cut
		1671
		1672	sub kick {
		1673	my ($pl, $kicker) = @_;
		1674
		1675	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1676	$pl->killer ("kicked");
		1677	$pl->ns->destroy;
1049	}	1678	}
1050		1679
1051	=item cf::player::list_logins	1680	=item cf::player::list_logins
1052		1681
1053	Returns am arrayref of all valid playernames in the system, can take a	1682	Returns am arrayref of all valid playernames in the system, can take a
1054	while and may block, so not sync_job-capable, ever.	1683	while and may block, so not sync_job-capable, ever.
1055		1684
1056	=cut	1685	=cut
1057		1686
1058	sub list_logins {	1687	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1688	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1689	or return [];
1061		1690
1062	my @logins;	1691	my @logins;
1063		1692
1064	for my $login (@$dirs) {	1693	for my $login (@$dirs) {
		1694	my $path = path $login;
		1695
		1696	# a .pst is a dead give-away for a valid player
		1697	# if no pst file found, open and chekc for blocked users
		1698	if (aio_stat "$path.pst") {
1065	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1699	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1066	aio_read $fh, 0, 512, my $buf, 0 or next;	1700	aio_read $fh, 0, 512, my $buf, 0 or next;
1067	$buf !~ /^password -------------$/m or next; # official not-valid tag	1701	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1702	}
1068		1703
1069	utf8::decode $login;	1704	utf8::decode $login;
1070	push @logins, $login;	1705	push @logins, $login;
1071	}	1706	}
1072		1707
1073	\@logins	1708	\@logins
1074	}	1709	}
1075		1710
1076	=item $player->maps	1711	=item $player->maps
		1712
		1713	=item cf::player::maps $login
1077		1714
1078	Returns an arrayref of map paths that are private for this	1715	Returns an arrayref of map paths that are private for this
1079	player. May block.	1716	player. May block.
1080		1717
1081	=cut	1718	=cut
…		…
1099	}	1736	}
1100		1737
1101	\@paths	1738	\@paths
1102	}	1739	}
1103		1740
		1741	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1742
		1743	Expand deliantra pod fragments into protocol xml.
		1744
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1745	=item $player->ext_reply ($msgid, @msg)
1105		1746
1106	Sends an ext reply to the player.	1747	Sends an ext reply to the player.
1107		1748
1108	=cut	1749	=cut
1109		1750
1110	sub ext_reply($$$%) {	1751	sub ext_reply($$@) {
1111	my ($self, $id, %msg) = @_;	1752	my ($self, $id, @msg) = @_;
1112		1753
1113	$msg{msgid} = $id;	1754	$self->ns->ext_reply ($id, @msg)
1114
1115	$self->send ("ext " . cf::to_json \%msg);
1116	}	1755	}
1117		1756
1118	package cf;	1757	=item $player->ext_msg ($type, @msg)
		1758
		1759	Sends an ext event to the client.
		1760
		1761	=cut
		1762
		1763	sub ext_msg($$@) {
		1764	my ($self, $type, @msg) = @_;
		1765
		1766	$self->ns->ext_msg ($type, @msg);
		1767	}
		1768
		1769	=head3 cf::region
		1770
		1771	=over 4
		1772
		1773	=cut
		1774
		1775	package cf::region;
		1776
		1777	=item cf::region::find_by_path $path
		1778
		1779	Tries to decuce the likely region for a map knowing only its path.
		1780
		1781	=cut
		1782
		1783	sub find_by_path($) {
		1784	my ($path) = @_;
		1785
		1786	$path =~ s/^~[^\/]*//; # skip ~login
		1787
		1788	my ($match, $specificity);
		1789
		1790	for my $region (list) {
		1791	if ($region->{match} && $path =~ $region->{match}) {
		1792	($match, $specificity) = ($region, $region->specificity)
		1793	if $region->specificity > $specificity;
		1794	}
		1795	}
		1796
		1797	$match
		1798	}
1119		1799
1120	=back	1800	=back
1121
1122		1801
1123	=head3 cf::map	1802	=head3 cf::map
1124		1803
1125	=over 4	1804	=over 4
1126		1805
…		…
1138	our $MAX_RESET = 3600;	1817	our $MAX_RESET = 3600;
1139	our $DEFAULT_RESET = 3000;	1818	our $DEFAULT_RESET = 3000;
1140		1819
1141	sub generate_random_map {	1820	sub generate_random_map {
1142	my ($self, $rmp) = @_;	1821	my ($self, $rmp) = @_;
		1822
		1823	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1824
1143	# mit "rum" bekleckern, nicht	1825	# mit "rum" bekleckern, nicht
1144	$self->_create_random_map (	1826	$self->_create_random_map (
1145	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1827	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1146	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1828	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1147	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1829	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1148	$rmp->{exit_on_final_map},	1830	$rmp->{exit_on_final_map},
1149	$rmp->{xsize}, $rmp->{ysize},	1831	$rmp->{xsize}, $rmp->{ysize},
1150	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1832	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1151	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1833	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1166		1848
1167	sub register {	1849	sub register {
1168	my (undef, $regex, $prio) = @_;	1850	my (undef, $regex, $prio) = @_;
1169	my $pkg = caller;	1851	my $pkg = caller;
1170		1852
1171	no strict;
1172	push @{"$pkg\::ISA"}, __PACKAGE__;	1853	push @{"$pkg\::ISA"}, __PACKAGE__;
1173		1854
1174	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1855	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1175	}	1856	}
1176		1857
1177	# also paths starting with '/'	1858	# also paths starting with '/'
1178	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1859	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1179		1860
1180	sub thawer_merge {	1861	sub thawer_merge {
1181	my ($self, $merge) = @_;	1862	my ($self, $merge) = @_;
1182		1863
1183	# we have to keep some variables in memory intact	1864	# we have to keep some variables in memory intact
1184	local $self->{path};	1865	local $self->{path};
1185	local $self->{load_path};	1866	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1867
1189	$self->SUPER::thawer_merge ($merge);	1868	$self->SUPER::thawer_merge ($merge);
1190	}	1869	}
1191		1870
1192	sub normalise {	1871	sub normalise {
1193	my ($path, $base) = @_;	1872	my ($path, $base) = @_;
1194		1873
1195	$path = "$path"; # make sure its a string	1874	$path = "$path"; # make sure it's a string
1196		1875
1197	$path =~ s/\.map$//;	1876	$path =~ s/\.map$//;
1198		1877
1199	# map plan:	1878	# map plan:
1200	#	1879	#
…		…
1239	$self->init; # pass $1 etc.	1918	$self->init; # pass $1 etc.
1240	return $self;	1919	return $self;
1241	}	1920	}
1242	}	1921	}
1243		1922
1244	Carp::carp "unable to resolve path '$path' (base '$base').";	1923	Carp::cluck "unable to resolve path '$path' (base '$base')";
1245	()	1924	()
1246	}	1925	}
1247		1926
1248	sub init {	1927	sub init {
1249	my ($self) = @_;	1928	my ($self) = @_;
…		…
1264		1943
1265	# the original (read-only) location	1944	# the original (read-only) location
1266	sub load_path {	1945	sub load_path {
1267	my ($self) = @_;	1946	my ($self) = @_;
1268		1947
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1948	"$MAPDIR/$self->{path}.map"
1270	}	1949	}
1271		1950
1272	# the temporary/swap location	1951	# the temporary/swap location
1273	sub save_path {	1952	sub save_path {
1274	my ($self) = @_;	1953	my ($self) = @_;
1275		1954
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1955	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1956	"$TMPDIR/$path.map"
1278	}	1957	}
1279		1958
1280	# the unique path, undef == no special unique path	1959	# the unique path, undef == no special unique path
1281	sub uniq_path {	1960	sub uniq_path {
1282	my ($self) = @_;	1961	my ($self) = @_;
1283		1962
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1963	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1964	"$UNIQUEDIR/$path"
1286	}	1965	}
1287		1966
1288	# and all this just because we cannot iterate over	1967	sub decay_objects {
1289	# all maps in C++...
1290	sub change_all_map_light {
1291	my ($change) = @_;	1968	my ($self) = @_;
1292		1969
1293	$_->change_map_light ($change)	1970	return if $self->{deny_reset};
1294	for grep $_->outdoor, values %cf::MAP;	1971
		1972	$self->do_decay_objects;
1295	}	1973	}
1296		1974
1297	sub unlink_save {	1975	sub unlink_save {
1298	my ($self) = @_;	1976	my ($self) = @_;
1299		1977
1300	utf8::encode (my $save = $self->save_path);	1978	utf8::encode (my $save = $self->save_path);
1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1979	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1980	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	}	1981	}
1309		1982
1310	sub load_header_from($) {	1983	sub load_header_from($) {
1311	my ($self, $path) = @_;	1984	my ($self, $path) = @_;
1312		1985
1313	utf8::encode $path;	1986	utf8::encode $path;
1314	#aio_open $path, O_RDONLY, 0	1987	my $f = new_from_file cf::object::thawer $path
1315	# or return;
1316
1317	$self->_load_header ($path)
1318	or return;	1988	or return;
		1989
		1990	$self->_load_header ($f)
		1991	or return;
		1992
		1993	local $MAP_LOADING{$self->{path}} = $self;
		1994	$f->resolve_delayed_derefs;
1319		1995
1320	$self->{load_path} = $path;	1996	$self->{load_path} = $path;
1321		1997
1322	1	1998	1
1323	}	1999	}
…		…
1362	$self->load_header_orig	2038	$self->load_header_orig
1363	or return;	2039	or return;
1364	$self->prepare_orig;	2040	$self->prepare_orig;
1365	}	2041	}
1366		2042
		2043	$self->{deny_reset} = 1
		2044	if $self->no_reset;
		2045
		2046	$self->default_region (cf::region::find_by_path $self->{path})
		2047	unless $self->default_region;
		2048
1367	1	2049	1
1368	}	2050	}
1369		2051
1370	sub find;	2052	sub find;
1371	sub find {	2053	sub find {
1372	my ($path, $origin) = @_;	2054	my ($path, $origin) = @_;
1373		2055
		2056	cf::cede_to_tick;
		2057
1374	$path = normalise $path, $origin && $origin->path;	2058	$path = normalise $path, $origin && $origin->path;
1375		2059
		2060	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1376	cf::lock_wait "map_find:$path";	2061	my $guard2 = cf::lock_acquire "map_find:$path";
1377		2062
1378	$cf::MAP{$path} || do {	2063	$cf::MAP{$path} || do {
1379	my $guard = cf::lock_acquire "map_find:$path";
1380	my $map = new_from_path cf::map $path	2064	my $map = new_from_path cf::map $path
1381	or return;	2065	or return;
1382		2066
1383	$map->{last_save} = $cf::RUNTIME;	2067	$map->{last_save} = $cf::RUNTIME;
1384		2068
1385	$map->load_header	2069	$map->load_header
1386	or return;	2070	or return;
1387		2071
1388	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2072	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1389	# doing this can freeze the server in a sync job, obviously	2073	# doing this can freeze the server in a sync job, obviously
1390	#$cf::WAIT_FOR_TICK->wait;	2074	#$cf::WAIT_FOR_TICK->wait;
		2075	undef $guard2;
		2076	undef $guard1;
1391	$map->reset;	2077	$map->reset;
1392	undef $guard;
1393	return find $path;	2078	return find $path;
1394	}	2079	}
1395		2080
1396	$cf::MAP{$path} = $map	2081	$cf::MAP{$path} = $map
1397	}	2082	}
1398	}	2083	}
1399		2084
1400	sub pre_load { }	2085	sub pre_load { }
1401	sub post_load { }	2086	#sub post_load { } # XS
1402		2087
1403	sub load {	2088	sub load {
1404	my ($self) = @_;	2089	my ($self) = @_;
1405		2090
1406	local $self->{deny_reset} = 1; # loading can take a long time	2091	local $self->{deny_reset} = 1; # loading can take a long time
1407		2092
1408	my $path = $self->{path};	2093	my $path = $self->{path};
		2094
		2095	{
1409	my $guard = cf::lock_acquire "map_load:$path";	2096	my $guard = cf::lock_acquire "map_data:$path";
1410		2097
		2098	return unless $self->valid;
1411	return if $self->in_memory != cf::MAP_SWAPPED;	2099	return unless $self->in_memory == cf::MAP_SWAPPED;
1412		2100
1413	$self->in_memory (cf::MAP_LOADING);	2101	$self->in_memory (cf::MAP_LOADING);
1414		2102
1415	$self->alloc;	2103	$self->alloc;
1416		2104
1417	$self->pre_load;	2105	$self->pre_load;
		2106	cf::cede_to_tick;
1418		2107
1419	$self->_load_objects ($self->{load_path}, 1)	2108	my $f = new_from_file cf::object::thawer $self->{load_path};
		2109	$f->skip_block;
		2110	$self->_load_objects ($f)
1420	or return;	2111	or return;
1421		2112
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2113	$self->post_load_original
1423	if delete $self->{load_original};	2114	if delete $self->{load_original};
1424		2115
1425	if (my $uniq = $self->uniq_path) {	2116	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	2117	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	2118	unless (aio_stat $uniq) {
		2119	if (my $f = new_from_file cf::object::thawer $uniq) {
1428	$self->clear_unique_items;	2120	$self->clear_unique_items;
1429	$self->_load_objects ($uniq, 0);	2121	$self->_load_objects ($f);
		2122	$f->resolve_delayed_derefs;
		2123	}
1430	}	2124	}
1431	}	2125	}
1432		2126
1433	Coro::cede;	2127	$f->resolve_delayed_derefs;
1434		2128
		2129	cf::cede_to_tick;
1435	# now do the right thing for maps	2130	# now do the right thing for maps
1436	$self->link_multipart_objects;	2131	$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)	2132	$self->difficulty ($self->estimate_difficulty)
1445	unless $self->difficulty;	2133	unless $self->difficulty;
1446	Coro::cede;	2134	cf::cede_to_tick;
		2135
		2136	unless ($self->{deny_activate}) {
		2137	$self->decay_objects;
		2138	$self->fix_auto_apply;
		2139	$self->update_buttons;
		2140	cf::cede_to_tick;
1447	$self->activate;	2141	$self->activate;
		2142	}
		2143
		2144	$self->{last_save} = $cf::RUNTIME;
		2145	$self->last_access ($cf::RUNTIME);
		2146
		2147	$self->in_memory (cf::MAP_ACTIVE);
1448	}	2148	}
1449		2149
1450	$self->post_load;	2150	$self->post_load;
1451
1452	$self->in_memory (cf::MAP_IN_MEMORY);
1453	}	2151	}
1454		2152
		2153	# customize the map for a given player, i.e.
		2154	# return the _real_ map. used by e.g. per-player
		2155	# maps to change the path to ~playername/mappath
1455	sub customise_for {	2156	sub customise_for {
1456	my ($self, $ob) = @_;	2157	my ($self, $ob) = @_;
1457		2158
1458	return find "~" . $ob->name . "/" . $self->{path}	2159	return find "~" . $ob->name . "/" . $self->{path}
1459	if $self->per_player;	2160	if $self->per_player;
1460		2161
		2162	# return find "?party/" . $ob->name . "/" . $self->{path}
		2163	# if $self->per_party;
		2164
1461	$self	2165	$self
1462	}	2166	}
1463		2167
1464	# find and load all maps in the 3x3 area around a map	2168	# find and load all maps in the 3x3 area around a map
1465	sub load_diag {	2169	sub load_neighbours {
1466	my ($map) = @_;	2170	my ($map) = @_;
1467		2171
1468	my @diag; # diagonal neighbours	2172	my @neigh; # diagonal neighbours
1469		2173
1470	for (0 .. 3) {	2174	for (0 .. 3) {
1471	my $neigh = $map->tile_path ($_)	2175	my $neigh = $map->tile_path ($_)
1472	or next;	2176	or next;
1473	$neigh = find $neigh, $map	2177	$neigh = find $neigh, $map
1474	or next;	2178	or next;
1475	$neigh->load;	2179	$neigh->load;
1476		2180
		2181	# now find the diagonal neighbours
		2182	push @neigh,
1477	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2183	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1478	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2184	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1479	}	2185	}
1480		2186
1481	for (@diag) {	2187	for (grep defined $_->[0], @neigh) {
		2188	my ($path, $origin) = @$_;
1482	my $neigh = find @$_	2189	my $neigh = find $path, $origin
1483	or next;	2190	or next;
1484	$neigh->load;	2191	$neigh->load;
1485	}	2192	}
1486	}	2193	}
1487		2194
1488	sub find_sync {	2195	sub find_sync {
1489	my ($path, $origin) = @_;	2196	my ($path, $origin) = @_;
1490		2197
1491	cf::sync_job { find $path, $origin }	2198	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2199	if $Coro::current == $Coro::main;
		2200
		2201	find $path, $origin
1492	}	2202	}
1493		2203
1494	sub do_load_sync {	2204	sub do_load_sync {
1495	my ($map) = @_;	2205	my ($map) = @_;
1496		2206
1497	cf::sync_job { $map->load };	2207	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2208	if $Coro::current == $Coro::main;
		2209
		2210	$map->load;
1498	}	2211	}
1499		2212
1500	our %MAP_PREFETCH;	2213	our %MAP_PREFETCH;
1501	our $MAP_PREFETCHER = undef;	2214	our $MAP_PREFETCHER = undef;
1502		2215
1503	sub find_async {	2216	sub find_async {
1504	my ($path, $origin) = @_;	2217	my ($path, $origin, $load) = @_;
1505		2218
1506	$path = normalise $path, $origin && $origin->{path};	2219	$path = normalise $path, $origin && $origin->{path};
1507		2220
1508	if (my $map = $cf::MAP{$path}) {	2221	if (my $map = $cf::MAP{$path}) {
1509	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2222	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1510	}	2223	}
1511		2224
1512	undef $MAP_PREFETCH{$path};	2225	$MAP_PREFETCH{$path} |= $load;
		2226
1513	$MAP_PREFETCHER ||= cf::async {	2227	$MAP_PREFETCHER ||= cf::async {
		2228	$Coro::current->{desc} = "map prefetcher";
		2229
1514	while (%MAP_PREFETCH) {	2230	while (%MAP_PREFETCH) {
1515	for my $path (keys %MAP_PREFETCH) {	2231	while (my ($k, $v) = each %MAP_PREFETCH) {
1516	my $map = find $path	2232	if (my $map = find $k) {
1517	or next;
1518	$map->load;	2233	$map->load if $v;
		2234	}
1519		2235
1520	delete $MAP_PREFETCH{$path};	2236	delete $MAP_PREFETCH{$k};
1521	}	2237	}
1522	}	2238	}
1523	undef $MAP_PREFETCHER;	2239	undef $MAP_PREFETCHER;
1524	};	2240	};
1525	$MAP_PREFETCHER->prio (6);	2241	$MAP_PREFETCHER->prio (6);
1526		2242
1527	()	2243	()
1528	}	2244	}
1529		2245
		2246	# common code, used by both ->save and ->swapout
1530	sub save {	2247	sub _save {
1531	my ($self) = @_;	2248	my ($self) = @_;
1532
1533	my $lock = cf::lock_acquire "map_data:" . $self->path;
1534		2249
1535	$self->{last_save} = $cf::RUNTIME;	2250	$self->{last_save} = $cf::RUNTIME;
1536		2251
1537	return unless $self->dirty;	2252	return unless $self->dirty;
1538		2253
…		…
1544	return if $self->{deny_save};	2259	return if $self->{deny_save};
1545		2260
1546	local $self->{last_access} = $self->last_access;#d#	2261	local $self->{last_access} = $self->last_access;#d#
1547		2262
1548	cf::async {	2263	cf::async {
		2264	$Coro::current->{desc} = "map player save";
1549	$_->contr->save for $self->players;	2265	$_->contr->save for $self->players;
1550	};	2266	};
		2267
		2268	cf::get_slot 0.02;
1551		2269
1552	if ($uniq) {	2270	if ($uniq) {
1553	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2271	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1554	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2272	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1555	} else {	2273	} else {
1556	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2274	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1557	}	2275	}
1558	}	2276	}
1559		2277
		2278	sub save {
		2279	my ($self) = @_;
		2280
		2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2282
		2283	$self->_save;
		2284	}
		2285
1560	sub swap_out {	2286	sub swap_out {
1561	my ($self) = @_;	2287	my ($self) = @_;
1562		2288
1563	# save first because save cedes
1564	$self->save;
1565
1566	my $lock = cf::lock_acquire "map_data:" . $self->path;	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
1567		2290
		2291	return if $self->in_memory != cf::MAP_ACTIVE;
		2292	return if $self->{deny_save};
1568	return if $self->players;	2293	return if $self->players;
1569	return if $self->in_memory != cf::MAP_IN_MEMORY;
1570	return if $self->{deny_save};
1571		2294
		2295	# first deactivate the map and "unlink" it from the core
		2296	$self->deactivate;
		2297	$_->clear_links_to ($self) for values %cf::MAP;
		2298	$self->in_memory (cf::MAP_SWAPPED);
		2299
		2300	# then atomically save
		2301	$self->_save;
		2302
		2303	# then free the map
1572	$self->clear;	2304	$self->clear;
1573	$self->in_memory (cf::MAP_SWAPPED);
1574	}	2305	}
1575		2306
1576	sub reset_at {	2307	sub reset_at {
1577	my ($self) = @_;	2308	my ($self) = @_;
1578		2309
1579	# TODO: safety, remove and allow resettable per-player maps	2310	# 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};	2311	return 1e99 if $self->{deny_reset};
1582		2312
1583	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2313	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1584	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2314	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1585		2315
…		…
1596	my ($self) = @_;	2326	my ($self) = @_;
1597		2327
1598	my $lock = cf::lock_acquire "map_data:$self->{path}";	2328	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2329
1600	return if $self->players;	2330	return if $self->players;
1601	return if $self->isa ("ext::map_per_player");#d#
1602		2331
1603	warn "resetting map ", $self->path;#d#	2332	cf::trace "resetting map ", $self->path, "\n";
		2333
		2334	$self->in_memory (cf::MAP_SWAPPED);
		2335
		2336	# need to save uniques path
		2337	unless ($self->{deny_save}) {
		2338	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2339
		2340	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2341	if $uniq;
		2342	}
1604		2343
1605	delete $cf::MAP{$self->path};	2344	delete $cf::MAP{$self->path};
1606		2345
1607	$self->in_memory (cf::MAP_SWAPPED);	2346	$self->deactivate;
		2347	$_->clear_links_to ($self) for values %cf::MAP;
1608	$self->clear;	2348	$self->clear;
1609
1610	$_->clear_links_to ($self) for values %cf::MAP;
1611		2349
1612	$self->unlink_save;	2350	$self->unlink_save;
1613	$self->destroy;	2351	$self->destroy;
1614	}	2352	}
1615		2353
1616	my $nuke_counter = "aaaa";	2354	my $nuke_counter = "aaaa";
1617		2355
1618	sub nuke {	2356	sub nuke {
1619	my ($self) = @_;	2357	my ($self) = @_;
1620		2358
		2359	{
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
1621	delete $cf::MAP{$self->path};	2362	delete $cf::MAP{$self->path};
1622		2363
1623	$self->unlink_save;	2364	$self->unlink_save;
1624		2365
1625	bless $self, "cf::map";	2366	bless $self, "cf::map::wrap";
1626	delete $self->{deny_reset};	2367	delete $self->{deny_reset};
1627	$self->{deny_save} = 1;	2368	$self->{deny_save} = 1;
1628	$self->reset_timeout (1);	2369	$self->reset_timeout (1);
1629	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2370	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1630		2371
1631	$cf::MAP{$self->path} = $self;	2372	$cf::MAP{$self->path} = $self;
		2373	}
1632		2374
1633	$self->reset; # polite request, might not happen	2375	$self->reset; # polite request, might not happen
		2376	}
		2377
		2378	=item $maps = cf::map::tmp_maps
		2379
		2380	Returns an arrayref with all map paths of currently instantiated and saved
		2381	maps. May block.
		2382
		2383	=cut
		2384
		2385	sub tmp_maps() {
		2386	[
		2387	map {
		2388	utf8::decode $_;
		2389	/\.map$/
		2390	? normalise $_
		2391	: ()
		2392	} @{ aio_readdir $TMPDIR or [] }
		2393	]
		2394	}
		2395
		2396	=item $maps = cf::map::random_maps
		2397
		2398	Returns an arrayref with all map paths of currently instantiated and saved
		2399	random maps. May block.
		2400
		2401	=cut
		2402
		2403	sub random_maps() {
		2404	[
		2405	map {
		2406	utf8::decode $_;
		2407	/\.map$/
		2408	? normalise "?random/$_"
		2409	: ()
		2410	} @{ aio_readdir $RANDOMDIR or [] }
		2411	]
1634	}	2412	}
1635		2413
1636	=item cf::map::unique_maps	2414	=item cf::map::unique_maps
1637		2415
1638	Returns an arrayref of paths of all shared maps that have	2416	Returns an arrayref of paths of all shared maps that have
1639	instantiated unique items. May block.	2417	instantiated unique items. May block.
1640		2418
1641	=cut	2419	=cut
1642		2420
1643	sub unique_maps() {	2421	sub unique_maps() {
1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2422	[
1645	or return;	2423	map {
1646
1647	my @paths;
1648
1649	for (@$files) {
1650	utf8::decode $_;	2424	utf8::decode $_;
1651	next if /\.pst$/;	2425	s/\.map$//; # TODO future compatibility hack
1652	next unless /^$PATH_SEP/o;	2426	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1653		2427	? ()
1654	push @paths, cf::map::normalise $_;	2428	: normalise $_
		2429	} @{ aio_readdir $UNIQUEDIR or [] }
1655	}	2430	]
1656
1657	\@paths
1658	}	2431	}
1659		2432
1660	package cf;	2433	=item cf::map::static_maps
		2434
		2435	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2436	file in the shared directory excluding F</styles> and F</editor>). May
		2437	block.
		2438
		2439	=cut
		2440
		2441	sub static_maps() {
		2442	my @dirs = "";
		2443	my @maps;
		2444
		2445	while (@dirs) {
		2446	my $dir = shift @dirs;
		2447
		2448	next if $dir eq "/styles" || $dir eq "/editor";
		2449
		2450	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2451	or return;
		2452
		2453	for (@$files) {
		2454	s/\.map$// or next;
		2455	utf8::decode $_;
		2456	push @maps, "$dir/$_";
		2457	}
		2458
		2459	push @dirs, map "$dir/$_", @$dirs;
		2460	}
		2461
		2462	\@maps
		2463	}
1661		2464
1662	=back	2465	=back
1663		2466
1664	=head3 cf::object	2467	=head3 cf::object
1665		2468
…		…
1669		2472
1670	=over 4	2473	=over 4
1671		2474
1672	=item $ob->inv_recursive	2475	=item $ob->inv_recursive
1673		2476
1674	Returns the inventory of the object _and_ their inventories, recursively.	2477	Returns the inventory of the object I<and> their inventories, recursively,
		2478	but I<not> the object itself.
1675		2479
1676	=cut	2480	=cut
1677		2481
1678	sub inv_recursive_;	2482	sub inv_recursive_;
1679	sub inv_recursive_ {	2483	sub inv_recursive_ {
…		…
1682		2486
1683	sub inv_recursive {	2487	sub inv_recursive {
1684	inv_recursive_ inv $_[0]	2488	inv_recursive_ inv $_[0]
1685	}	2489	}
1686		2490
		2491	=item $ref = $ob->ref
		2492
		2493	Creates and returns a persistent reference to an object that can be stored as a string.
		2494
		2495	=item $ob = cf::object::deref ($refstring)
		2496
		2497	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2498	even if the object actually exists. May block.
		2499
		2500	=cut
		2501
		2502	sub deref {
		2503	my ($ref) = @_;
		2504
		2505	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2506	my ($uuid, $name) = ($1, $2);
		2507	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2508	or return;
		2509	$pl->ob->uuid eq $uuid
		2510	or return;
		2511
		2512	$pl->ob
		2513	} else {
		2514	warn "$ref: cannot resolve object reference\n";
		2515	undef
		2516	}
		2517	}
		2518
1687	package cf;	2519	package cf;
1688		2520
1689	=back	2521	=back
1690		2522
1691	=head3 cf::object::player	2523	=head3 cf::object::player
…		…
1697	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2529	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1698	can be C<undef>. Does the right thing when the player is currently in a	2530	can be C<undef>. Does the right thing when the player is currently in a
1699	dialogue with the given NPC character.	2531	dialogue with the given NPC character.
1700		2532
1701	=cut	2533	=cut
		2534
		2535	our $SAY_CHANNEL = {
		2536	id => "say",
		2537	title => "Map",
		2538	reply => "say ",
		2539	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2540	};
		2541
		2542	our $CHAT_CHANNEL = {
		2543	id => "chat",
		2544	title => "Chat",
		2545	reply => "chat ",
		2546	tooltip => "Player chat and shouts, global to the server.",
		2547	};
1702		2548
1703	# rough implementation of a future "reply" method that works	2549	# rough implementation of a future "reply" method that works
1704	# with dialog boxes.	2550	# with dialog boxes.
1705	#TODO: the first argument must go, split into a $npc->reply_to ( method	2551	#TODO: the first argument must go, split into a $npc->reply_to ( method
1706	sub cf::object::player::reply($$$;$) {	2552	sub cf::object::player::reply($$$;$) {
…		…
1708		2554
1709	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2555	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1710		2556
1711	if ($self->{record_replies}) {	2557	if ($self->{record_replies}) {
1712	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2558	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2559
1713	} else {	2560	} else {
		2561	my $pl = $self->contr;
		2562
		2563	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2564	my $dialog = $pl->{npc_dialog};
		2565	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2566
		2567	} else {
1714	$msg = $npc->name . " says: $msg" if $npc;	2568	$msg = $npc->name . " says: $msg" if $npc;
1715	$self->message ($msg, $flags);	2569	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2570	}
1716	}	2571	}
		2572	}
		2573
		2574	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2575
		2576	=cut
		2577
		2578	sub cf::object::send_msg {
		2579	my $pl = shift->contr
		2580	or return;
		2581	$pl->send_msg (@_);
1717	}	2582	}
1718		2583
1719	=item $player_object->may ("access")	2584	=item $player_object->may ("access")
1720		2585
1721	Returns wether the given player is authorized to access resource "access"	2586	Returns wether the given player is authorized to access resource "access"
…		…
1734		2599
1735	=item $player_object->enter_link	2600	=item $player_object->enter_link
1736		2601
1737	Freezes the player and moves him/her to a special map (C<{link}>).	2602	Freezes the player and moves him/her to a special map (C<{link}>).
1738		2603
1739	The player should be reasonably safe there for short amounts of time. You	2604	The player should be reasonably safe there for short amounts of time (e.g.
1740	I<MUST> call C<leave_link> as soon as possible, though.	2605	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2606	though, as the player cannot control the character while it is on the link
		2607	map.
1741		2608
1742	Will never block.	2609	Will never block.
1743		2610
1744	=item $player_object->leave_link ($map, $x, $y)	2611	=item $player_object->leave_link ($map, $x, $y)
1745		2612
…		…
1765	sub cf::object::player::enter_link {	2632	sub cf::object::player::enter_link {
1766	my ($self) = @_;	2633	my ($self) = @_;
1767		2634
1768	$self->deactivate_recursive;	2635	$self->deactivate_recursive;
1769		2636
		2637	++$self->{_link_recursion};
		2638
1770	return if UNIVERSAL::isa $self->map, "ext::map_link";	2639	return if UNIVERSAL::isa $self->map, "ext::map_link";
1771		2640
1772	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2641	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1773	if $self->map;	2642	if $self->map && $self->map->{path} ne "{link}";
1774		2643
1775	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2644	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1776	}	2645	}
1777		2646
1778	sub cf::object::player::leave_link {	2647	sub cf::object::player::leave_link {
1779	my ($self, $map, $x, $y) = @_;	2648	my ($self, $map, $x, $y) = @_;
		2649
		2650	return unless $self->contr->active;
1780		2651
1781	my $link_pos = delete $self->{_link_pos};	2652	my $link_pos = delete $self->{_link_pos};
1782		2653
1783	unless ($map) {	2654	unless ($map) {
1784	# restore original map position	2655	# restore original map position
…		…
1795	($x, $y) = (-1, -1)	2666	($x, $y) = (-1, -1)
1796	unless (defined $x) && (defined $y);	2667	unless (defined $x) && (defined $y);
1797		2668
1798	# use -1 or undef as default coordinates, not 0, 0	2669	# use -1 or undef as default coordinates, not 0, 0
1799	($x, $y) = ($map->enter_x, $map->enter_y)	2670	($x, $y) = ($map->enter_x, $map->enter_y)
1800	if $x <=0 && $y <= 0;	2671	if $x <= 0 && $y <= 0;
1801		2672
1802	$map->load;	2673	$map->load;
1803	$map->load_diag;	2674	$map->load_neighbours;
1804		2675
1805	return unless $self->contr->active;	2676	return unless $self->contr->active;
		2677
		2678	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2679	if ($self->enter_map ($map, $x, $y)) {
		2680	# entering was successful
		2681	delete $self->{_link_recursion};
		2682	# only activate afterwards, to support waiting in hooks
1806	$self->activate_recursive;	2683	$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	},	2684	}
1821	on_login => sub {
1822	my ($pl) = @_;
1823		2685
1824	# try to abort aborted map switching on player login :)	2686	}
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		2687
1842	=item $player_object->goto ($path, $x, $y)	2688	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1843		2689
		2690	Moves the player to the given map-path and coordinates by first freezing
		2691	her, loading and preparing them map, calling the provided $check callback
		2692	that has to return the map if sucecssful, and then unfreezes the player on
		2693	the new (success) or old (failed) map position. In either case, $done will
		2694	be called at the end of this process.
		2695
		2696	Note that $check will be called with a potentially non-loaded map, so if
		2697	it needs a loaded map it has to call C<< ->load >>.
		2698
1844	=cut	2699	=cut
		2700
		2701	our $GOTOGEN;
1845		2702
1846	sub cf::object::player::goto {	2703	sub cf::object::player::goto {
1847	my ($self, $path, $x, $y) = @_;	2704	my ($self, $path, $x, $y, $check, $done) = @_;
		2705
		2706	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2707	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2708	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2709	($path, $x, $y) = @$EMERGENCY_POSITION;
		2710	}
		2711
		2712	# do generation counting so two concurrent goto's will be executed in-order
		2713	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1848		2714
1849	$self->enter_link;	2715	$self->enter_link;
1850		2716
1851	(async {	2717	(async {
		2718	$Coro::current->{desc} = "player::goto $path $x $y";
		2719
		2720	# *tag paths override both path and x|y
		2721	if ($path =~ /^\*(.*)$/) {
		2722	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2723	my $ob = $obs[rand @obs];
		2724
		2725	# see if we actually can go there
		2726	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2727	$ob = $obs[rand @obs];
		2728	} else {
		2729	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2730	}
		2731	# else put us there anyways for now #d#
		2732
		2733	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2734	} else {
		2735	($path, $x, $y) = (undef, undef, undef);
		2736	}
		2737	}
		2738
1852	my $map = eval {	2739	my $map = eval {
1853	my $map = cf::map::find $path;	2740	my $map = defined $path ? cf::map::find $path : undef;
		2741
		2742	if ($map) {
1854	$map = $map->customise_for ($self) if $map;	2743	$map = $map->customise_for ($self);
		2744	$map = $check->($map, $x, $y, $self) if $check && $map;
		2745	} else {
		2746	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2747	}
		2748
1855	$map	2749	$map
		2750	};
		2751
		2752	if ($@) {
		2753	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2754	LOG llevError | logBacktrace, Carp::longmess $@;
1856	} or	2755	}
1857	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1858		2756
		2757	if ($gen == $self->{_goto_generation}) {
		2758	delete $self->{_goto_generation};
1859	$self->leave_link ($map, $x, $y);	2759	$self->leave_link ($map, $x, $y);
		2760	}
		2761
		2762	$done->($self) if $done;
1860	})->prio (1);	2763	})->prio (1);
1861	}	2764	}
1862		2765
1863	=item $player_object->enter_exit ($exit_object)	2766	=item $player_object->enter_exit ($exit_object)
1864		2767
…		…
1884	}	2787	}
1885		2788
1886	sub prepare_random_map {	2789	sub prepare_random_map {
1887	my ($exit) = @_;	2790	my ($exit) = @_;
1888		2791
1889	my $guard = cf::lock_acquire "exit_prepare:$exit";
1890
1891	# all this does is basically replace the /! path by	2792	# all this does is basically replace the /! path by
1892	# a new random map path (?random/...) with a seed	2793	# a new random map path (?random/...) with a seed
1893	# that depends on the exit object	2794	# that depends on the exit object
1894		2795
1895	my $rmp = parse_random_map_params $exit->msg;	2796	my $rmp = parse_random_map_params $exit->msg;
…		…
1897	if ($exit->map) {	2798	if ($exit->map) {
1898	$rmp->{region} = $exit->region->name;	2799	$rmp->{region} = $exit->region->name;
1899	$rmp->{origin_map} = $exit->map->path;	2800	$rmp->{origin_map} = $exit->map->path;
1900	$rmp->{origin_x} = $exit->x;	2801	$rmp->{origin_x} = $exit->x;
1901	$rmp->{origin_y} = $exit->y;	2802	$rmp->{origin_y} = $exit->y;
		2803
		2804	$exit->map->touch;
1902	}	2805	}
1903		2806
1904	$rmp->{random_seed} ||= $exit->random_seed;	2807	$rmp->{random_seed} ||= $exit->random_seed;
1905		2808
1906	my $data = cf::to_json $rmp;	2809	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1907	my $md5 = Digest::MD5::md5_hex $data;	2810	my $md5 = Digest::MD5::md5_hex $data;
1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2811	my $meta = "$RANDOMDIR/$md5.meta";
1909		2812
1910	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2813	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1911	aio_write $fh, 0, (length $data), $data, 0;	2814	aio_write $fh, 0, (length $data), $data, 0;
1912	undef $fh;	2815	undef $fh;
1913	aio_rename "$meta~", $meta;	2816	aio_rename "$meta~", $meta;
1914		2817
		2818	my $slaying = "?random/$md5";
		2819
		2820	if ($exit->valid) {
1915	$exit->slaying ("?random/$md5");	2821	$exit->slaying ("?random/$md5");
1916	$exit->msg (undef);	2822	$exit->msg (undef);
		2823	}
1917	}	2824	}
1918	}	2825	}
1919		2826
1920	sub cf::object::player::enter_exit {	2827	sub cf::object::player::enter_exit {
1921	my ($self, $exit) = @_;	2828	my ($self, $exit) = @_;
1922		2829
1923	return unless $self->type == cf::PLAYER;	2830	return unless $self->type == cf::PLAYER;
1924		2831
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;	2832	$self->enter_link;
1935		2833
1936	(async {	2834	(async {
1937	$self->deactivate_recursive; # just to be sure	2835	$Coro::current->{desc} = "enter_exit";
		2836
1938	unless (eval {	2837	unless (eval {
		2838	$self->deactivate_recursive; # just to be sure
		2839
		2840	# random map handling
		2841	{
		2842	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2843
		2844	prepare_random_map $exit
		2845	if $exit->slaying eq "/!";
		2846	}
		2847
		2848	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2849	my $x = $exit->stats->hp;
		2850	my $y = $exit->stats->sp;
		2851
1939	$self->goto ($slaying, $hp, $sp);	2852	$self->goto ($map, $x, $y);
1940		2853
		2854	# if exit is damned, update players death & WoR home-position
		2855	$self->contr->savebed ($map, $x, $y)
		2856	if $exit->flag (cf::FLAG_DAMNED);
		2857
1941	1;	2858	1
1942	}) {	2859	}) {
1943	$self->message ("Something went wrong deep within the crossfire server. "	2860	$self->message ("Something went wrong deep within the deliantra server. "
1944	. "I'll try to bring you back to the map you were before. "	2861	. "I'll try to bring you back to the map you were before. "
1945	. "Please report this to the dungeon master!",	2862	. "Please report this to the dungeon master!",
1946	cf::NDI_UNIQUE | cf::NDI_RED);	2863	cf::NDI_UNIQUE | cf::NDI_RED);
1947		2864
1948	warn "ERROR in enter_exit: $@";	2865	error "ERROR in enter_exit: $@";
1949	$self->leave_link;	2866	$self->leave_link;
1950	}	2867	}
1951	})->prio (1);	2868	})->prio (1);
1952	}	2869	}
1953		2870
…		…
1964		2881
1965	sub cf::client::send_drawinfo {	2882	sub cf::client::send_drawinfo {
1966	my ($self, $text, $flags) = @_;	2883	my ($self, $text, $flags) = @_;
1967		2884
1968	utf8::encode $text;	2885	utf8::encode $text;
1969	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2886	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1970	}	2887	}
1971		2888
		2889	=item $client->send_big_packet ($pkt)
		2890
		2891	Like C<send_packet>, but tries to compress large packets, and fragments
		2892	them as required.
		2893
		2894	=cut
		2895
		2896	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2897
		2898	sub cf::client::send_big_packet {
		2899	my ($self, $pkt) = @_;
		2900
		2901	# try lzf for large packets
		2902	$pkt = "lzf " . Compress::LZF::compress $pkt
		2903	if 1024 <= length $pkt and $self->{can_lzf};
		2904
		2905	# split very large packets
		2906	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2907	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2908	$pkt = "frag";
		2909	}
		2910
		2911	$self->send_packet ($pkt);
		2912	}
		2913
		2914	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2915
		2916	Send a drawinfo or msg packet to the client, formatting the msg for the
		2917	client if neccessary. C<$type> should be a string identifying the type of
		2918	the message, with C<log> being the default. If C<$color> is negative, suppress
		2919	the message unless the client supports the msg packet.
		2920
		2921	=cut
		2922
		2923	# non-persistent channels (usually the info channel)
		2924	our %CHANNEL = (
		2925	"c/motd" => {
		2926	id => "infobox",
		2927	title => "MOTD",
		2928	reply => undef,
		2929	tooltip => "The message of the day",
		2930	},
		2931	"c/identify" => {
		2932	id => "infobox",
		2933	title => "Identify",
		2934	reply => undef,
		2935	tooltip => "Items recently identified",
		2936	},
		2937	"c/examine" => {
		2938	id => "infobox",
		2939	title => "Examine",
		2940	reply => undef,
		2941	tooltip => "Signs and other items you examined",
		2942	},
		2943	"c/shopinfo" => {
		2944	id => "infobox",
		2945	title => "Shop Info",
		2946	reply => undef,
		2947	tooltip => "What your bargaining skill tells you about the shop",
		2948	},
		2949	"c/book" => {
		2950	id => "infobox",
		2951	title => "Book",
		2952	reply => undef,
		2953	tooltip => "The contents of a note or book",
		2954	},
		2955	"c/lookat" => {
		2956	id => "infobox",
		2957	title => "Look",
		2958	reply => undef,
		2959	tooltip => "What you saw there",
		2960	},
		2961	"c/who" => {
		2962	id => "infobox",
		2963	title => "Players",
		2964	reply => undef,
		2965	tooltip => "Shows players who are currently online",
		2966	},
		2967	"c/body" => {
		2968	id => "infobox",
		2969	title => "Body Parts",
		2970	reply => undef,
		2971	tooltip => "Shows which body parts you posess and are available",
		2972	},
		2973	"c/statistics" => {
		2974	id => "infobox",
		2975	title => "Statistics",
		2976	reply => undef,
		2977	tooltip => "Shows your primary statistics",
		2978	},
		2979	"c/skills" => {
		2980	id => "infobox",
		2981	title => "Skills",
		2982	reply => undef,
		2983	tooltip => "Shows your experience per skill and item power",
		2984	},
		2985	"c/shopitems" => {
		2986	id => "infobox",
		2987	title => "Shop Items",
		2988	reply => undef,
		2989	tooltip => "Shows the items currently for sale in this shop",
		2990	},
		2991	"c/resistances" => {
		2992	id => "infobox",
		2993	title => "Resistances",
		2994	reply => undef,
		2995	tooltip => "Shows your resistances",
		2996	},
		2997	"c/pets" => {
		2998	id => "infobox",
		2999	title => "Pets",
		3000	reply => undef,
		3001	tooltip => "Shows information abotu your pets/a specific pet",
		3002	},
		3003	"c/perceiveself" => {
		3004	id => "infobox",
		3005	title => "Perceive Self",
		3006	reply => undef,
		3007	tooltip => "You gained detailed knowledge about yourself",
		3008	},
		3009	"c/uptime" => {
		3010	id => "infobox",
		3011	title => "Uptime",
		3012	reply => undef,
		3013	tooltip => "How long the server has been running since last restart",
		3014	},
		3015	"c/mapinfo" => {
		3016	id => "infobox",
		3017	title => "Map Info",
		3018	reply => undef,
		3019	tooltip => "Information related to the maps",
		3020	},
		3021	"c/party" => {
		3022	id => "party",
		3023	title => "Party",
		3024	reply => "gsay ",
		3025	tooltip => "Messages and chat related to your party",
		3026	},
		3027	"c/death" => {
		3028	id => "death",
		3029	title => "Death",
		3030	reply => undef,
		3031	tooltip => "Reason for and more info about your most recent death",
		3032	},
		3033	"c/say" => $SAY_CHANNEL,
		3034	"c/chat" => $CHAT_CHANNEL,
		3035	);
		3036
		3037	sub cf::client::send_msg {
		3038	my ($self, $channel, $msg, $color, @extra) = @_;
		3039
		3040	$msg = $self->pl->expand_cfpod ($msg)
		3041	unless $color & cf::NDI_VERBATIM;
		3042
		3043	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3044
		3045	# check predefined channels, for the benefit of C
		3046	if ($CHANNEL{$channel}) {
		3047	$channel = $CHANNEL{$channel};
		3048
		3049	$self->ext_msg (channel_info => $channel);
		3050	$channel = $channel->{id};
		3051
		3052	} elsif (ref $channel) {
		3053	# send meta info to client, if not yet sent
		3054	unless (exists $self->{channel}{$channel->{id}}) {
		3055	$self->{channel}{$channel->{id}} = $channel;
		3056	$self->ext_msg (channel_info => $channel);
		3057	}
		3058
		3059	$channel = $channel->{id};
		3060	}
		3061
		3062	return unless @extra || length $msg;
		3063
		3064	# default colour, mask it out
		3065	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3066	if $color & cf::NDI_DEF;
		3067
		3068	my $pkt = "msg "
		3069	. $self->{json_coder}->encode (
		3070	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3071	);
		3072
		3073	$self->send_big_packet ($pkt);
		3074	}
		3075
		3076	=item $client->ext_msg ($type, @msg)
		3077
		3078	Sends an ext event to the client.
		3079
		3080	=cut
		3081
		3082	sub cf::client::ext_msg($$@) {
		3083	my ($self, $type, @msg) = @_;
		3084
		3085	if ($self->extcmd == 2) {
		3086	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3087	} elsif ($self->extcmd == 1) { # TODO: remove
		3088	push @msg, msgtype => "event_$type";
		3089	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3090	}
		3091	}
		3092
		3093	=item $client->ext_reply ($msgid, @msg)
		3094
		3095	Sends an ext reply to the client.
		3096
		3097	=cut
		3098
		3099	sub cf::client::ext_reply($$@) {
		3100	my ($self, $id, @msg) = @_;
		3101
		3102	if ($self->extcmd == 2) {
		3103	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3104	} elsif ($self->extcmd == 1) {
		3105	#TODO: version 1, remove
		3106	unshift @msg, msgtype => "reply", msgid => $id;
		3107	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3108	}
		3109	}
1972		3110
1973	=item $success = $client->query ($flags, "text", \&cb)	3111	=item $success = $client->query ($flags, "text", \&cb)
1974		3112
1975	Queues a query to the client, calling the given callback with	3113	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>,	3114	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>.	3115	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1978		3116
1979	Queries can fail, so check the return code. Or don't, as queries will become	3117	Queries can fail, so check the return code. Or don't, as queries will
1980	reliable at some point in the future.	3118	become reliable at some point in the future.
1981		3119
1982	=cut	3120	=cut
1983		3121
1984	sub cf::client::query {	3122	sub cf::client::query {
1985	my ($self, $flags, $text, $cb) = @_;	3123	my ($self, $flags, $text, $cb) = @_;
…		…
1993	utf8::encode $text;	3131	utf8::encode $text;
1994	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3132	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1995		3133
1996	$self->send_packet ($self->{query_queue}[0][0])	3134	$self->send_packet ($self->{query_queue}[0][0])
1997	if @{ $self->{query_queue} } == 1;	3135	if @{ $self->{query_queue} } == 1;
		3136
		3137	1
1998	}	3138	}
1999		3139
2000	cf::client->attach (	3140	cf::client->attach (
		3141	on_connect => sub {
		3142	my ($ns) = @_;
		3143
		3144	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3145	},
2001	on_reply => sub {	3146	on_reply => sub {
2002	my ($ns, $msg) = @_;	3147	my ($ns, $msg) = @_;
2003		3148
2004	# this weird shuffling is so that direct followup queries	3149	# this weird shuffling is so that direct followup queries
2005	# get handled first	3150	# get handled first
…		…
2017	} else {	3162	} else {
2018	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2019	}	3164	}
2020	}	3165	}
2021	},	3166	},
		3167	on_exticmd => sub {
		3168	my ($ns, $buf) = @_;
		3169
		3170	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3171
		3172	if (ref $msg) {
		3173	my ($type, $reply, @payload) =
		3174	"ARRAY" eq ref $msg
		3175	? @$msg
		3176	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3177
		3178	my @reply;
		3179
		3180	if (my $cb = $EXTICMD{$type}) {
		3181	@reply = $cb->($ns, @payload);
		3182	}
		3183
		3184	$ns->ext_reply ($reply, @reply)
		3185	if $reply;
		3186
		3187	} else {
		3188	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3189	}
		3190
		3191	cf::override;
		3192	},
2022	);	3193	);
2023		3194
2024	=item $client->async (\&cb)	3195	=item $client->async (\&cb)
2025		3196
2026	Create a new coroutine, running the specified callback. The coroutine will	3197	Create a new coroutine, running the specified callback. The coroutine will
…		…
2042		3213
2043	$coro	3214	$coro
2044	}	3215	}
2045		3216
2046	cf::client->attach (	3217	cf::client->attach (
2047	on_destroy => sub {	3218	on_client_destroy => sub {
2048	my ($ns) = @_;	3219	my ($ns) = @_;
2049		3220
2050	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3221	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2051	},	3222	},
2052	);	3223	);
…		…
2067	our $safe = new Safe "safe";	3238	our $safe = new Safe "safe";
2068	our $safe_hole = new Safe::Hole;	3239	our $safe_hole = new Safe::Hole;
2069		3240
2070	$SIG{FPE} = 'IGNORE';	3241	$SIG{FPE} = 'IGNORE';
2071		3242
2072	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3243	$safe->permit_only (Opcode::opset qw(
		3244	:base_core :base_mem :base_orig :base_math :base_loop
		3245	grepstart grepwhile mapstart mapwhile
		3246	sort time
		3247	));
2073		3248
2074	# here we export the classes and methods available to script code	3249	# here we export the classes and methods available to script code
2075		3250
2076	=pod	3251	=pod
2077		3252
2078	The following fucntions and emthods are available within a safe environment:	3253	The following functions and methods are available within a safe environment:
2079		3254
2080	cf::object contr pay_amount pay_player map	3255	cf::object
		3256	contr pay_amount pay_player map x y force_find force_add destroy
		3257	insert remove name archname title slaying race decrease split
		3258	value
		3259
2081	cf::object::player player	3260	cf::object::player
2082	cf::player peaceful	3261	player
2083	cf::map trigger	3262
		3263	cf::player
		3264	peaceful
		3265
		3266	cf::map
		3267	trigger
2084		3268
2085	=cut	3269	=cut
2086		3270
2087	for (	3271	for (
2088	["cf::object" => qw(contr pay_amount pay_player map)],	3272	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3273	insert remove inv nrof name archname title slaying race
		3274	decrease split destroy change_exp value msg lore send_msg)],
2089	["cf::object::player" => qw(player)],	3275	["cf::object::player" => qw(player)],
2090	["cf::player" => qw(peaceful)],	3276	["cf::player" => qw(peaceful send_msg)],
2091	["cf::map" => qw(trigger)],	3277	["cf::map" => qw(trigger)],
2092	) {	3278	) {
2093	no strict 'refs';
2094	my ($pkg, @funs) = @$_;	3279	my ($pkg, @funs) = @$_;
2095	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3280	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2096	for @funs;	3281	for @funs;
2097	}	3282	}
2098		3283
…		…
2113		3298
2114	my $qcode = $code;	3299	my $qcode = $code;
2115	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3300	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2116	$qcode =~ s/\n/\\n/g;	3301	$qcode =~ s/\n/\\n/g;
2117		3302
		3303	%vars = (_dummy => 0) unless %vars;
		3304
		3305	my @res;
2118	local $_;	3306	local $_;
2119	local @safe::cf::_safe_eval_args = values %vars;
2120		3307
2121	my $eval =	3308	my $eval =
2122	"do {\n"	3309	"do {\n"
2123	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3310	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2124	. "#line 0 \"{$qcode}\"\n"	3311	. "#line 0 \"{$qcode}\"\n"
2125	. $code	3312	. $code
2126	. "\n}"	3313	. "\n}"
2127	;	3314	;
2128		3315
		3316	if ($CFG{safe_eval}) {
2129	sub_generation_inc;	3317	sub_generation_inc;
		3318	local @safe::cf::_safe_eval_args = values %vars;
2130	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3319	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2131	sub_generation_inc;	3320	sub_generation_inc;
		3321	} else {
		3322	local @cf::_safe_eval_args = values %vars;
		3323	@res = wantarray ? eval eval : scalar eval $eval;
		3324	}
2132		3325
2133	if ($@) {	3326	if ($@) {
2134	warn "$@";	3327	warn "$@",
2135	warn "while executing safe code '$code'\n";	3328	"while executing safe code '$code'\n",
2136	warn "with arguments " . (join " ", %vars) . "\n";	3329	"with arguments " . (join " ", %vars) . "\n";
2137	}	3330	}
2138		3331
2139	wantarray ? @res : $res[0]	3332	wantarray ? @res : $res[0]
2140	}	3333	}
2141		3334
…		…
2155	=cut	3348	=cut
2156		3349
2157	sub register_script_function {	3350	sub register_script_function {
2158	my ($fun, $cb) = @_;	3351	my ($fun, $cb) = @_;
2159		3352
2160	no strict 'refs';	3353	$fun = "safe::$fun" if $CFG{safe_eval};
2161	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3354	*$fun = $safe_hole->wrap ($cb);
2162	}	3355	}
2163		3356
2164	=back	3357	=back
2165		3358
2166	=cut	3359	=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]} = $_[1];
2264	}
2265	db_dirty;
2266	}
2267
2268	cf::global->attach (
2269	prio => 10000,
2270	on_cleanup => sub {
2271	db_sync;
2272	},
2273	);
2274	}
2275		3360
2276	#############################################################################	3361	#############################################################################
2277	# the server's init and main functions	3362	# the server's init and main functions
2278		3363
		3364	sub load_facedata($) {
		3365	my ($path) = @_;
		3366
		3367	# HACK to clear player env face cache, we need some signal framework
		3368	# for this (global event?)
		3369	%ext::player_env::MUSIC_FACE_CACHE = ();
		3370
		3371	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3372
		3373	trace "loading facedata from $path\n";
		3374
		3375	my $facedata;
		3376	0 < aio_load $path, $facedata
		3377	or die "$path: $!";
		3378
		3379	$facedata = Coro::Storable::thaw $facedata;
		3380
		3381	$facedata->{version} == 2
		3382	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3383
		3384	# patch in the exptable
		3385	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3386	$facedata->{resource}{"res/exp_table"} = {
		3387	type => FT_RSRC,
		3388	data => $exp_table,
		3389	hash => (Digest::MD5::md5 $exp_table),
		3390	};
		3391	cf::cede_to_tick;
		3392
		3393	{
		3394	my $faces = $facedata->{faceinfo};
		3395
		3396	while (my ($face, $info) = each %$faces) {
		3397	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3398
		3399	cf::face::set_visibility $idx, $info->{visibility};
		3400	cf::face::set_magicmap $idx, $info->{magicmap};
		3401	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3402	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3403
		3404	cf::cede_to_tick;
		3405	}
		3406
		3407	while (my ($face, $info) = each %$faces) {
		3408	next unless $info->{smooth};
		3409
		3410	my $idx = cf::face::find $face
		3411	or next;
		3412
		3413	if (my $smooth = cf::face::find $info->{smooth}) {
		3414	cf::face::set_smooth $idx, $smooth;
		3415	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3416	} else {
		3417	error "smooth face '$info->{smooth}' not found for face '$face'";
		3418	}
		3419
		3420	cf::cede_to_tick;
		3421	}
		3422	}
		3423
		3424	{
		3425	my $anims = $facedata->{animinfo};
		3426
		3427	while (my ($anim, $info) = each %$anims) {
		3428	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3429	cf::cede_to_tick;
		3430	}
		3431
		3432	cf::anim::invalidate_all; # d'oh
		3433	}
		3434
		3435	{
		3436	my $res = $facedata->{resource};
		3437
		3438	while (my ($name, $info) = each %$res) {
		3439	if (defined $info->{type}) {
		3440	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3441
		3442	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3443	cf::face::set_type $idx, $info->{type};
		3444	} else {
		3445	$RESOURCE{$name} = $info; # unused
		3446	}
		3447
		3448	cf::cede_to_tick;
		3449	}
		3450	}
		3451
		3452	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3453
		3454	1
		3455	}
		3456
		3457	register_exticmd fx_want => sub {
		3458	my ($ns, $want) = @_;
		3459
		3460	while (my ($k, $v) = each %$want) {
		3461	$ns->fx_want ($k, $v);
		3462	}
		3463	};
		3464
2279	sub load_resources {	3465	sub load_resource_file($) {
2280	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3466	my $guard = lock_acquire "load_resource_file";
		3467
		3468	my $status = load_resource_file_ $_[0];
		3469	get_slot 0.1, 100;
		3470	cf::arch::commit_load;
		3471
		3472	$status
		3473	}
		3474
		3475	sub reload_regions {
		3476	# HACK to clear player env face cache, we need some signal framework
		3477	# for this (global event?)
		3478	%ext::player_env::MUSIC_FACE_CACHE = ();
		3479
		3480	load_resource_file "$MAPDIR/regions"
2281	or die "unable to load regions file\n";#d#	3481	or die "unable to load regions file\n";
2282	}
2283		3482
2284	sub cfg_load {	3483	for (cf::region::list) {
		3484	$_->{match} = qr/$_->{match}/
		3485	if exists $_->{match};
		3486	}
		3487	}
		3488
		3489	sub reload_facedata {
		3490	load_facedata "$DATADIR/facedata"
		3491	or die "unable to load facedata\n";
		3492	}
		3493
		3494	sub reload_archetypes {
		3495	load_resource_file "$DATADIR/archetypes"
		3496	or die "unable to load archetypes\n";
		3497	}
		3498
		3499	sub reload_treasures {
		3500	load_resource_file "$DATADIR/treasures"
		3501	or die "unable to load treasurelists\n";
		3502	}
		3503
		3504	sub reload_sound {
		3505	trace "loading sound config from $DATADIR/sound\n";
		3506
		3507	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3508	or die "$DATADIR/sound $!";
		3509
		3510	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3511
		3512	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3513	my $sound = $soundconf->{compat}[$_]
		3514	or next;
		3515
		3516	my $face = cf::face::find "sound/$sound->[1]";
		3517	cf::sound::set $sound->[0] => $face;
		3518	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3519	}
		3520
		3521	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3522	my $face = cf::face::find "sound/$v";
		3523	cf::sound::set $k => $face;
		3524	}
		3525	}
		3526
		3527	sub reload_resources {
		3528	trace "reloading resource files...\n";
		3529
		3530	reload_facedata;
		3531	reload_sound;
		3532	reload_archetypes;
		3533	reload_regions;
		3534	reload_treasures;
		3535
		3536	trace "finished reloading resource files\n";
		3537	}
		3538
		3539	sub reload_config {
		3540	trace "reloading config file...\n";
		3541
2285	open my $fh, "<:utf8", cf::confdir . "/config"	3542	open my $fh, "<:utf8", "$CONFDIR/config"
2286	or return;	3543	or return;
2287		3544
2288	local $/;	3545	local $/;
2289	*CFG = YAML::Syck::Load <$fh>;	3546	*CFG = YAML::XS::Load scalar <$fh>;
2290		3547
2291	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3548	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2292		3549
2293	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3550	$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};	3551	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2295		3552
2296	if (exists $CFG{mlockall}) {	3553	if (exists $CFG{mlockall}) {
…		…
2298	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3555	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2299	and die "WARNING: m(un)lockall failed: $!\n";	3556	and die "WARNING: m(un)lockall failed: $!\n";
2300	};	3557	};
2301	warn $@ if $@;	3558	warn $@ if $@;
2302	}	3559	}
2303	}
2304		3560
2305	sub init {	3561	trace "finished reloading resource files\n";
2306	load_resources;	3562	}
		3563
		3564	sub pidfile() {
		3565	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3566	or die "$PIDFILE: $!";
		3567	flock $fh, &Fcntl::LOCK_EX
		3568	or die "$PIDFILE: flock: $!";
		3569	$fh
		3570	}
		3571
		3572	# make sure only one server instance is running at any one time
		3573	sub atomic {
		3574	my $fh = pidfile;
		3575
		3576	my $pid = <$fh>;
		3577	kill 9, $pid if $pid > 0;
		3578
		3579	seek $fh, 0, 0;
		3580	print $fh $$;
		3581	}
		3582
		3583	sub main_loop {
		3584	trace "EV::loop starting\n";
		3585	if (1) {
		3586	EV::loop;
		3587	}
		3588	trace "EV::loop returned\n";
		3589	goto &main_loop unless $REALLY_UNLOOP;
2307	}	3590	}
2308		3591
2309	sub main {	3592	sub main {
		3593	cf::init_globals; # initialise logging
		3594
		3595	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3596	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3597	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3598	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3599
		3600	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3601
2310	# we must not ever block the main coroutine	3602	# we must not ever block the main coroutine
2311	local $Coro::idle = sub {	3603	local $Coro::idle = sub {
2312	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3604	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2313	(async {	3605	(async {
2314	Event::one_event;	3606	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3607	EV::loop EV::LOOP_ONESHOT;
2315	})->prio (Coro::PRIO_MAX);	3608	})->prio (Coro::PRIO_MAX);
2316	};	3609	};
2317		3610
2318	cfg_load;	3611	evthread_start IO::AIO::poll_fileno;
2319	db_load;	3612
		3613	cf::sync_job {
		3614	cf::incloader::init ();
		3615
		3616	cf::init_experience;
		3617	cf::init_anim;
		3618	cf::init_attackmess;
		3619	cf::init_dynamic;
		3620
		3621	cf::load_settings;
		3622	cf::load_materials;
		3623
		3624	reload_resources;
		3625	reload_config;
		3626	db_init;
		3627
		3628	cf::init_uuid;
		3629	cf::init_signals;
		3630	cf::init_skills;
		3631
		3632	cf::init_beforeplay;
		3633
		3634	atomic;
		3635
2320	load_extensions;	3636	load_extensions;
2321		3637
2322	$TICK_WATCHER->start;	3638	utime time, time, $RUNTIMEFILE;
2323	Event::loop;	3639
		3640	# no (long-running) fork's whatsoever before this point(!)
		3641	use POSIX ();
		3642	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3643
		3644	(pop @POST_INIT)->(0) while @POST_INIT;
		3645	};
		3646
		3647	cf::object::thawer::errors_are_fatal 0;
		3648	info "parse errors in files are no longer fatal from this point on.\n";
		3649
		3650	my $free_main; $free_main = EV::idle sub {
		3651	undef $free_main;
		3652	undef &main; # free gobs of memory :)
		3653	};
		3654
		3655	goto &main_loop;
2324	}	3656	}
2325		3657
2326	#############################################################################	3658	#############################################################################
2327	# initialisation and cleanup	3659	# initialisation and cleanup
2328		3660
2329	# install some emergency cleanup handlers	3661	# install some emergency cleanup handlers
2330	BEGIN {	3662	BEGIN {
		3663	our %SIGWATCHER = ();
2331	for my $signal (qw(INT HUP TERM)) {	3664	for my $signal (qw(INT HUP TERM)) {
2332	Event->signal (	3665	$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";	3666	cf::cleanup "SIG$signal";
2339	},
2340	);	3667	};
		3668	}
		3669	}
		3670
		3671	sub write_runtime_sync {
		3672	my $t0 = AE::time;
		3673
		3674	# first touch the runtime file to show we are still running:
		3675	# the fsync below can take a very very long time.
		3676
		3677	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3678
		3679	my $guard = cf::lock_acquire "write_runtime";
		3680
		3681	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3682	or return;
		3683
		3684	my $value = $cf::RUNTIME + 90 + 10;
		3685	# 10 is the runtime save interval, for a monotonic clock
		3686	# 60 allows for the watchdog to kill the server.
		3687
		3688	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3689	and return;
		3690
		3691	# always fsync - this file is important
		3692	aio_fsync $fh
		3693	and return;
		3694
		3695	# touch it again to show we are up-to-date
		3696	aio_utime $fh, undef, undef;
		3697
		3698	close $fh
		3699	or return;
		3700
		3701	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3702	and return;
		3703
		3704	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3705
2341	}	3706	1
		3707	}
		3708
		3709	our $uuid_lock;
		3710	our $uuid_skip;
		3711
		3712	sub write_uuid_sync($) {
		3713	$uuid_skip ||= $_[0];
		3714
		3715	return if $uuid_lock;
		3716	local $uuid_lock = 1;
		3717
		3718	my $uuid = "$LOCALDIR/uuid";
		3719
		3720	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3721	or return;
		3722
		3723	my $value = uuid_seq uuid_cur;
		3724
		3725	unless ($value) {
		3726	info "cowardly refusing to write zero uuid value!\n";
		3727	return;
		3728	}
		3729
		3730	my $value = uuid_str $value + $uuid_skip;
		3731	$uuid_skip = 0;
		3732
		3733	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3734	and return;
		3735
		3736	# always fsync - this file is important
		3737	aio_fsync $fh
		3738	and return;
		3739
		3740	close $fh
		3741	or return;
		3742
		3743	aio_rename "$uuid~", $uuid
		3744	and return;
		3745
		3746	trace "uuid file written ($value).\n";
		3747
		3748	1
		3749
		3750	}
		3751
		3752	sub write_uuid($$) {
		3753	my ($skip, $sync) = @_;
		3754
		3755	$sync ? write_uuid_sync $skip
		3756	: async { write_uuid_sync $skip };
2342	}	3757	}
2343		3758
2344	sub emergency_save() {	3759	sub emergency_save() {
2345	my $freeze_guard = cf::freeze_mainloop;	3760	my $freeze_guard = cf::freeze_mainloop;
2346		3761
2347	warn "enter emergency perl save\n";	3762	info "emergency_perl_save: enter\n";
		3763
		3764	# this is a trade-off: we want to be very quick here, so
		3765	# save all maps without fsync, and later call a global sync
		3766	# (which in turn might be very very slow)
		3767	local $USE_FSYNC = 0;
2348		3768
2349	cf::sync_job {	3769	cf::sync_job {
		3770	cf::write_runtime_sync; # external watchdog should not bark
		3771
2350	# use a peculiar iteration method to avoid tripping on perl	3772	# use a peculiar iteration method to avoid tripping on perl
2351	# refcount bugs in for. also avoids problems with players	3773	# refcount bugs in for. also avoids problems with players
2352	# and maps saved/destroyed asynchronously.	3774	# and maps saved/destroyed asynchronously.
2353	warn "begin emergency player save\n";	3775	info "emergency_perl_save: begin player save\n";
2354	for my $login (keys %cf::PLAYER) {	3776	for my $login (keys %cf::PLAYER) {
2355	my $pl = $cf::PLAYER{$login} or next;	3777	my $pl = $cf::PLAYER{$login} or next;
2356	$pl->valid or next;	3778	$pl->valid or next;
		3779	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2357	$pl->save;	3780	$pl->save;
2358	}	3781	}
2359	warn "end emergency player save\n";	3782	info "emergency_perl_save: end player save\n";
2360		3783
2361	warn "begin emergency map save\n";	3784	cf::write_runtime_sync; # external watchdog should not bark
		3785
		3786	info "emergency_perl_save: begin map save\n";
2362	for my $path (keys %cf::MAP) {	3787	for my $path (keys %cf::MAP) {
2363	my $map = $cf::MAP{$path} or next;	3788	my $map = $cf::MAP{$path} or next;
2364	$map->valid or next;	3789	$map->valid or next;
2365	$map->save;	3790	$map->save;
2366	}	3791	}
2367	warn "end emergency map save\n";	3792	info "emergency_perl_save: end map save\n";
		3793
		3794	cf::write_runtime_sync; # external watchdog should not bark
		3795
		3796	info "emergency_perl_save: begin database checkpoint\n";
		3797	BDB::db_env_txn_checkpoint $DB_ENV;
		3798	info "emergency_perl_save: end database checkpoint\n";
		3799
		3800	info "emergency_perl_save: begin write uuid\n";
		3801	write_uuid_sync 1;
		3802	info "emergency_perl_save: end write uuid\n";
		3803
		3804	cf::write_runtime_sync; # external watchdog should not bark
		3805
		3806	trace "emergency_perl_save: syncing database to disk";
		3807	BDB::db_env_txn_checkpoint $DB_ENV;
		3808
		3809	info "emergency_perl_save: starting sync\n";
		3810	IO::AIO::aio_sync sub {
		3811	info "emergency_perl_save: finished sync\n";
		3812	};
		3813
		3814	cf::write_runtime_sync; # external watchdog should not bark
		3815
		3816	trace "emergency_perl_save: flushing outstanding aio requests";
		3817	while (IO::AIO::nreqs || BDB::nreqs) {
		3818	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3819	}
		3820
		3821	cf::write_runtime_sync; # external watchdog should not bark
2368	};	3822	};
2369		3823
2370	warn "leave emergency perl save\n";	3824	info "emergency_perl_save: leave\n";
2371	}	3825	}
2372		3826
		3827	sub post_cleanup {
		3828	my ($make_core) = @_;
		3829
		3830	IO::AIO::flush;
		3831
		3832	error Carp::longmess "post_cleanup backtrace"
		3833	if $make_core;
		3834
		3835	my $fh = pidfile;
		3836	unlink $PIDFILE if <$fh> == $$;
		3837	}
		3838
		3839	# a safer delete_package, copied from Symbol
		3840	sub clear_package($) {
		3841	my $pkg = shift;
		3842
		3843	# expand to full symbol table name if needed
		3844	unless ($pkg =~ /^main::.*::$/) {
		3845	$pkg = "main$pkg" if $pkg =~ /^::/;
		3846	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3847	$pkg .= '::' unless $pkg =~ /::$/;
		3848	}
		3849
		3850	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3851	my $stem_symtab = *{$stem}{HASH};
		3852
		3853	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3854	or return;
		3855
		3856	# clear all symbols
		3857	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3858	for my $name (keys %$leaf_symtab) {
		3859	_gv_clear *{"$pkg$name"};
		3860	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3861	}
		3862	}
		3863
2373	sub reload() {	3864	sub do_reload_perl() {
2374	# can/must only be called in main	3865	# can/must only be called in main
2375	if ($Coro::current != $Coro::main) {	3866	unless (in_main) {
2376	warn "can only reload from main coroutine";	3867	error "can only reload from main coroutine";
2377	return;	3868	return;
2378	}	3869	}
2379		3870
		3871	return if $RELOAD++;
		3872
		3873	my $t1 = AE::time;
		3874
		3875	while ($RELOAD) {
		3876	cf::get_slot 0.1, -1, "reload_perl";
2380	warn "reloading...";	3877	info "reloading...";
2381		3878
2382	warn "cancelling server ticker";	3879	trace "entering sync_job";
2383	$TICK_WATCHER->cancel;
2384		3880
		3881	cf::sync_job {
2385	cf::emergency_save;	3882	#cf::emergency_save;
2386		3883
2387	eval {
2388	# if anything goes wrong in here, we should simply crash as we already saved
2389
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";
2399	for (;;) {
2400	IO::AIO::flush;
2401	Coro::cede;
2402	last unless IO::AIO::nreqs;
2403	warn "iterate...";
2404	}
2405
2406	warn "cancelling all extension coros";	3884	trace "cancelling all extension coros";
2407	$_->cancel for values %EXT_CORO;	3885	$_->cancel for values %EXT_CORO;
2408	%EXT_CORO = ();	3886	%EXT_CORO = ();
2409		3887
2410	warn "removing commands";	3888	trace "removing commands";
2411	%COMMAND = ();	3889	%COMMAND = ();
2412		3890
2413	warn "removing ext commands";	3891	trace "removing ext/exti commands";
2414	%EXTCMD = ();	3892	%EXTCMD = ();
		3893	%EXTICMD = ();
2415		3894
2416	warn "unloading/nuking all extensions";	3895	trace "unloading/nuking all extensions";
2417	for my $pkg (@EXTS) {	3896	for my $pkg (@EXTS) {
2418	warn "... unloading $pkg";	3897	trace "... unloading $pkg";
2419		3898
2420	if (my $cb = $pkg->can ("unload")) {	3899	if (my $cb = $pkg->can ("unload")) {
2421	eval {	3900	eval {
2422	$cb->($pkg);	3901	$cb->($pkg);
2423	1	3902	1
2424	} or warn "$pkg unloaded, but with errors: $@";	3903	} or error "$pkg unloaded, but with errors: $@";
		3904	}
		3905
		3906	trace "... clearing $pkg";
		3907	clear_package $pkg;
2425	}	3908	}
2426		3909
2427	warn "... nuking $pkg";
2428	Symbol::delete_package $pkg;
2429	}
2430
2431	warn "unloading all perl modules loaded from $LIBDIR";	3910	trace "unloading all perl modules loaded from $LIBDIR";
2432	while (my ($k, $v) = each %INC) {	3911	while (my ($k, $v) = each %INC) {
2433	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3912	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2434		3913
2435	warn "... unloading $k";	3914	trace "... unloading $k";
2436	delete $INC{$k};	3915	delete $INC{$k};
2437		3916
2438	$k =~ s/\.pm$//;	3917	$k =~ s/\.pm$//;
2439	$k =~ s/\//::/g;	3918	$k =~ s/\//::/g;
2440		3919
2441	if (my $cb = $k->can ("unload_module")) {	3920	if (my $cb = $k->can ("unload_module")) {
2442	$cb->();	3921	$cb->();
		3922	}
		3923
		3924	clear_package $k;
2443	}	3925	}
2444		3926
2445	Symbol::delete_package $k;
2446	}
2447
2448	warn "getting rid of safe::, as good as possible";	3927	trace "getting rid of safe::, as good as possible";
2449	Symbol::delete_package "safe::$_"	3928	clear_package "safe::$_"
2450	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3929	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2451		3930
2452	warn "unloading cf.pm \"a bit\"";	3931	trace "unloading cf.pm \"a bit\"";
2453	delete $INC{"cf.pm"};	3932	delete $INC{"cf.pm"};
		3933	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2454		3934
2455	# don't, removes xs symbols, too,	3935	# don't, removes xs symbols, too,
2456	# and global variables created in xs	3936	# and global variables created in xs
2457	#Symbol::delete_package __PACKAGE__;	3937	#clear_package __PACKAGE__;
2458		3938
2459	warn "unload completed, starting to reload now";	3939	info "unload completed, starting to reload now";
2460		3940
2461	warn "reloading cf.pm";	3941	trace "reloading cf.pm";
2462	require cf;	3942	require cf;
2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3943	cf::_connect_to_perl_1;
2464		3944
2465	warn "loading config and database again";	3945	trace "loading config and database again";
2466	cf::cfg_load;	3946	cf::reload_config;
2467	cf::db_load;
2468		3947
2469	warn "loading extensions";	3948	trace "loading extensions";
2470	cf::load_extensions;	3949	cf::load_extensions;
2471		3950
		3951	if ($REATTACH_ON_RELOAD) {
2472	warn "reattaching attachments to objects/players";	3952	trace "reattaching attachments to objects/players";
2473	_global_reattach;	3953	_global_reattach; # objects, sockets
2474	warn "reattaching attachments to maps";	3954	trace "reattaching attachments to maps";
2475	reattach $_ for values %MAP;	3955	reattach $_ for values %MAP;
		3956	trace "reattaching attachments to players";
		3957	reattach $_ for values %PLAYER;
		3958	}
2476		3959
2477	warn "loading reloadable resources";	3960	trace "running post_init jobs";
2478	load_resources;	3961	(pop @POST_INIT)->(1) while @POST_INIT;
2479		3962
2480	warn "restarting server ticker";	3963	trace "leaving sync_job";
2481		3964
2482	$TICK_WATCHER->start;	3965	1
		3966	} or do {
		3967	error $@;
		3968	cf::cleanup "error while reloading, exiting.";
		3969	};
		3970
		3971	info "reloaded";
		3972	--$RELOAD;
		3973	}
		3974
		3975	$t1 = AE::time - $t1;
		3976	info "reload completed in ${t1}s\n";
		3977	};
		3978
		3979	our $RELOAD_WATCHER; # used only during reload
		3980
		3981	sub reload_perl() {
		3982	# doing reload synchronously and two reloads happen back-to-back,
		3983	# coro crashes during coro_state_free->destroy here.
		3984
		3985	$RELOAD_WATCHER ||= cf::async {
		3986	Coro::AIO::aio_wait cache_extensions;
		3987
		3988	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3989	do_reload_perl;
		3990	undef $RELOAD_WATCHER;
		3991	};
2483	};	3992	};
2484		3993	}
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		3994
2496	register_command "reload" => sub {	3995	register_command "reload" => sub {
2497	my ($who, $arg) = @_;	3996	my ($who, $arg) = @_;
2498		3997
2499	if ($who->flag (FLAG_WIZ)) {	3998	if ($who->flag (FLAG_WIZ)) {
2500	$who->message ("reloading server.");	3999	$who->message ("reloading server.");
2501		4000	async {
2502	# doing reload synchronously and two reloads happen back-to-back,	4001	$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;	4002	reload_perl;
2511	undef $RELOAD_WATCHER;
2512	},
2513	);	4003	};
2514	}	4004	}
2515	};	4005	};
2516		4006
2517	unshift @INC, $LIBDIR;	4007	#############################################################################
2518		4008
2519	my $bug_warning = 0;	4009	my $bug_warning = 0;
2520		4010
2521	$TICK_WATCHER = Event->timer (	4011	our @WAIT_FOR_TICK;
2522	reentrant => 0,	4012	our @WAIT_FOR_TICK_BEGIN;
2523	parked => 1,	4013
2524	prio => 0,	4014	sub wait_for_tick {
2525	at => $NEXT_TICK || $TICK,	4015	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2526	data => WF_AUTOCANCEL,	4016
2527	cb => sub {	4017	my $signal = new Coro::Signal;
		4018	push @WAIT_FOR_TICK, $signal;
		4019	$signal->wait;
		4020	}
		4021
		4022	sub wait_for_tick_begin {
		4023	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4024
		4025	my $signal = new Coro::Signal;
		4026	push @WAIT_FOR_TICK_BEGIN, $signal;
		4027	$signal->wait;
		4028	}
		4029
		4030	sub tick {
2528	if ($Coro::current != $Coro::main) {	4031	if ($Coro::current != $Coro::main) {
2529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4032	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2530	unless ++$bug_warning > 10;	4033	unless ++$bug_warning > 10;
2531	return;	4034	return;
2532	}	4035	}
2533		4036
2534	$NOW = Event::time;
2535
2536	cf::server_tick; # one server iteration	4037	cf::server_tick; # one server iteration
2537	$RUNTIME += $TICK;
2538	$NEXT_TICK += $TICK;
2539		4038
2540	$WAIT_FOR_TICK->broadcast;	4039	#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		4040
2543	Event::sweep;	4041	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2544	Coro::cede_notself;	4042	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4043	Coro::async_pool {
		4044	$Coro::current->{desc} = "runtime saver";
		4045	write_runtime_sync
		4046	or error "ERROR: unable to write runtime file: $!";
		4047	};
		4048	}
		4049
		4050	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4051	$sig->send;
		4052	}
		4053	while (my $sig = shift @WAIT_FOR_TICK) {
		4054	$sig->send;
		4055	}
		4056
		4057	$LOAD = ($NOW - $TICK_START) / $TICK;
		4058	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4059
		4060	if (0) {
		4061	if ($NEXT_TICK) {
		4062	my $jitter = $TICK_START - $NEXT_TICK;
		4063	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4064	debug "jitter $JITTER\n";#d#
2545		4065	}
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	},	4066	}
2555	);	4067	}
2556		4068
		4069	{
		4070	# configure BDB
		4071
		4072	BDB::min_parallel 16;
		4073	BDB::max_poll_reqs $TICK * 0.1;
		4074	$AnyEvent::BDB::WATCHER->priority (1);
		4075
		4076	unless ($DB_ENV) {
		4077	$DB_ENV = BDB::db_env_create;
		4078	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4079	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4080	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4081	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4082	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4083
		4084	cf::sync_job {
		4085	eval {
		4086	BDB::db_env_open
		4087	$DB_ENV,
		4088	$BDBDIR,
		4089	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4090	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4091	0666;
		4092
		4093	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4094	};
		4095
		4096	cf::cleanup "db_env_open(db): $@" if $@;
		4097	};
		4098	}
		4099
		4100	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4101	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4102	};
		4103	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4104	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4105	};
		4106	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4107	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4108	};
		4109	}
		4110
		4111	{
		4112	# configure IO::AIO
		4113
		4114	IO::AIO::min_parallel 8;
2557	IO::AIO::max_poll_time $TICK * 0.1;	4115	IO::AIO::max_poll_time $TICK * 0.1;
		4116	undef $AnyEvent::AIO::WATCHER;
		4117	}
2558		4118
2559	undef $Coro::AIO::WATCHER;	4119	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		4120
2569	$WRITE_RUNTIME_WATCHER = Event->timer (	4121	sub _log_backtrace {
2570	reentrant => 0,	4122	my ($msg, @addr) = @_;
2571	data => WF_AUTOCANCEL,	4123
2572	after => 1,	4124	$msg =~ s/\n//;
2573	interval => 10,	4125
2574	prio => 6, # keep it lowest so it acts like a watchdog	4126	# limit the # of concurrent backtraces
2575	cb => Coro::unblock_sub {	4127	if ($_log_backtrace < 2) {
2576	write_runtime	4128	++$_log_backtrace;
2577	or warn "ERROR: unable to write runtime file: $!";	4129	my $perl_bt = Carp::longmess $msg;
		4130	async {
		4131	$Coro::current->{desc} = "abt $msg";
		4132
		4133	my @bt = fork_call {
		4134	@addr = map { sprintf "%x", $_ } @addr;
		4135	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4136	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4137	or die "addr2line: $!";
		4138
		4139	my @funcs;
		4140	my @res = <$fh>;
		4141	chomp for @res;
		4142	while (@res) {
		4143	my ($func, $line) = splice @res, 0, 2, ();
		4144	push @funcs, "[$func] $line";
		4145	}
		4146
		4147	@funcs
		4148	};
		4149
		4150	LOG llevInfo, "[ABT] $perl_bt\n";
		4151	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4152	LOG llevInfo, "[ABT] $_\n" for @bt;
		4153	--$_log_backtrace;
		4154	};
		4155	} else {
		4156	LOG llevInfo, "[ABT] $msg\n";
		4157	LOG llevInfo, "[ABT] [suppressed]\n";
2578	},	4158	}
2579	);	4159	}
		4160
		4161	# load additional modules
		4162	require "cf/$_.pm" for @EXTRA_MODULES;
		4163	cf::_connect_to_perl_2;
2580		4164
2581	END { cf::emergency_save }	4165	END { cf::emergency_save }
2582		4166
2583	1	4167	1
2584		4168

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