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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.201 by root, Mon Jan 29 18:15:23 2007 UTC vs.
Revision 1.545 by root, Thu May 6 22:35:41 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;	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);
53		130
54	our %CFG;	131	our %CFG;
55		132
56	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
58		136
59	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		140
67	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
		153
70	binmode STDOUT;	154	binmode STDOUT;
71	binmode STDERR;	155	binmode STDERR;
72		156
73	# read virtual server time, if available	157	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
78	}	162	}
79		163
80	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	165
82	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		168
86	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
87		170
88	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
89		187
90	#############################################################################	188	#############################################################################
91		189
92	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
93		191
…		…
100	=item $cf::RUNTIME	198	=item $cf::RUNTIME
101		199
102	The time this server has run, starts at 0 and is increased by $cf::TICK on	200	The time this server has run, starts at 0 and is increased by $cf::TICK on
103	every server tick.	201	every server tick.
104		202
105	=item $cf::LIBDIR	203	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		204	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		205	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
106		206
107	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
108	be found. It will be added to C<@INC> automatically.	208	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		209	unique-items directory, player file directory, random maps directory and
		210	database environment.
109		211
110	=item $cf::NOW	212	=item $cf::NOW
111		213
112	The time of the last (current) server tick.	214	The time of the last (current) server tick.
113		215
114	=item $cf::TICK	216	=item $cf::TICK
115		217
116	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
117		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
118	=item %cf::CFG	230	=item %cf::CFG
119		231
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
121	from wherever your confdir points to.	233	from wherever your confdir points to.
122		234
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		236
125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	238	returns directly I<after> the tick processing (and consequently, can only wake one process
127	processing has been done. Call C<< ->wait >> on them to maximise the	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
128	window of cpu time available, or simply to synchronise to the server tick.	240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
129		252
130	=back	253	=back
131		254
132	=cut	255	=cut
133		256
134	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
135	*CORE::GLOBAL::warn = sub {	258	sub warn (@) { LOG llevWarn , join "", @_ }
		259	sub info (@) { LOG llevInfo , join "", @_ }
		260	sub debug(@) { LOG llevDebug, join "", @_ }
		261	sub trace(@) { LOG llevTrace, join "", @_ }
		262
		263	$Coro::State::WARNHOOK = sub {
136	my $msg = join "", @_;	264	my $msg = join "", @_;
137	utf8::encode $msg;
138		265
139	$msg .= "\n"	266	$msg .= "\n"
140	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
141		268
		269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		270
142	LOG llevError, $msg;	271	LOG llevWarn, $msg;
143	};	272	};
144	}	273
		274	$Coro::State::DIEHOOK = sub {
		275	return unless $^S eq 0; # "eq", not "=="
		276
		277	error Carp::longmess $_[0];
		278
		279	if (in_main) {#d#
		280	error "DIEHOOK called in main context, Coro bug?\n";#d#
		281	return;#d#
		282	}#d#
		283
		284	# kill coroutine otherwise
		285	Coro::terminate
		286	};
145		287
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	292	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		293	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
151	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	294	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
152		295
153	# we bless all objects into (empty) derived classes to force a method lookup	296	# we bless all objects into (empty) derived classes to force a method lookup
154	# within the Safe compartment.	297	# within the Safe compartment.
155	for my $pkg (qw(	298	for my $pkg (qw(
156	cf::global cf::attachable	299	cf::global cf::attachable
157	cf::object cf::object::player	300	cf::object cf::object::player
158	cf::client cf::player	301	cf::client cf::player
159	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
160	cf::map cf::party cf::region	304	cf::party cf::region
161	)) {	305	)) {
162	no strict 'refs';
163	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
164	}	307	}
165		308
166	$Event::DIED = sub {	309	$EV::DIED = sub {
167	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
168	};	311	};
		312
		313	#############################################################################
169		314
170	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
171		316
172	=over 4	317	=over 4
173		318
…		…
192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	337	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
193	$d	338	$d
194	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
195	}	340	}
196		341
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
200		343
201	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
202		345
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
211		347
212	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
213		349
214	=cut	350	=cut
215		351
216	sub to_json($) {	352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	353
218	JSON::Syck::Dump $_[0]	354	sub encode_json($) { $json_coder->encode ($_[0]) }
		355	sub decode_json($) { $json_coder->decode ($_[0]) }
		356
		357	=item cf::post_init { BLOCK }
		358
		359	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		360	but I<before> the server starts ticking again.
		361
		362	The cdoeblock will have a single boolean argument to indicate whether this
		363	is a reload or not.
		364
		365	=cut
		366
		367	sub post_init(&) {
		368	push @POST_INIT, shift;
219	}	369	}
220		370
221	=item cf::lock_wait $string	371	=item cf::lock_wait $string
222		372
223	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
224		374
225	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
226		376
227	Wait until the given lock is available and then acquires it and returns	377	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	378	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
230	returned.	380	returned.
231		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
232	Lock names should begin with a unique identifier (for example, cf::map::find	385	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
234		387
235	=cut	388	=item $locked = cf::lock_active $string
236		389
237	our %LOCK;	390	Return true if the lock is currently active, i.e. somebody has locked it.
		391
		392	=cut
		393
		394	our $LOCKS = new Coro::SemaphoreSet;
238		395
239	sub lock_wait($) {	396	sub lock_wait($) {
240	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	398	}
248		399
249	sub lock_acquire($) {	400	sub lock_acquire($) {
250	my ($key) = @_;	401	$LOCKS->guard ($_[0])
		402	}
251		403
252	# wait, to be sure we are not locked	404	sub lock_active($) {
253	lock_wait $key;	405	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	406	}
262		407
263	sub freeze_mainloop {	408	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
265		410
266	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
267	$TICK_WATCHER->start;	412	}
268	$WRITE_RUNTIME_WATCHER->start;	413
		414	=item cf::periodic $interval, $cb
		415
		416	Like EV::periodic, but randomly selects a starting point so that the actions
		417	get spread over time.
		418
		419	=cut
		420
		421	sub periodic($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
269	};	478	}
270	$WRITE_RUNTIME_WATCHER->stop;	479	};
271	$TICK_WATCHER->stop;	480
272	$guard	481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
		484	my ($time, $pri, $name) = @_;
		485
		486	$time = clamp $time, 0.01, $TICK * .6;
		487
		488	my $sig = new Coro::Signal;
		489
		490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		492	$SLOT_QUEUE->ready;
		493	$sig->wait;
273	}	494	}
274		495
275	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
276		497
277	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		503
283	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
284		505
285	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
286		507
287	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
290		512
291	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
294	fast or be very important.	516	fast or be very important.
…		…
296	=cut	518	=cut
297		519
298	sub sync_job(&) {	520	sub sync_job(&) {
299	my ($job) = @_;	521	my ($job) = @_;
300		522
301	if ($Coro::current == $Coro::main) {	523	if (in_main) {
		524	my $time = AE::time;
		525
302	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
304		528
305	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	530
307	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
308		532
309	my $busy = 1;	533	my $busy = 1;
310	my @res;	534	my @res;
311		535
312	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	538	@res = eval { $job->() };
314	warn $@ if $@;	539	error $@ if $@;
315	undef $busy;	540	undef $busy;
316	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
317		542
318	while ($busy) {	543	while ($busy) {
319	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
320	}	548	}
		549	}
		550
		551	my $time = AE::time - $time;
		552
		553	$TICK_START += $time; # do not account sync jobs to server load
321		554
322	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
323	} else {	556	} else {
324	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
325		558
…		…
345	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
346		579
347	$coro	580	$coro
348	}	581	}
349		582
350	sub write_runtime {	583	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		584
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	585	Executes the given code block with the given arguments in a seperate
354	or return;	586	process, returning the results. Everything must be serialisable with
		587	Coro::Storable. May, of course, block. Note that the executed sub may
		588	never block itself or use any form of event handling.
355		589
356	my $value = $cf::RUNTIME + 90 + 10;	590	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		591
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	592	sub fork_call(&@) {
361	and return;	593	my ($cb, @args) = @_;
362		594
363	aio_fsync $fh	595	# we seemingly have to make a local copy of the whole thing,
364	and return;	596	# otherwise perl prematurely frees the stuff :/
		597	# TODO: investigate and fix (likely this will be rather laborious)
365		598
366	close $fh	599	my @res = Coro::Util::fork_eval {
367	or return;	600	reset_signals;
		601	&$cb
		602	}, @args;
368		603
369	aio_rename "$runtime~", $runtime	604	wantarray ? @res : $res[-1]
370	and return;	605	}
371		606
		607	sub objinfo {
372	1	608	(
		609	"counter value" => cf::object::object_count,
		610	"objects created" => cf::object::create_count,
		611	"objects destroyed" => cf::object::destroy_count,
		612	"freelist size" => cf::object::free_count,
		613	"allocated objects" => cf::object::objects_size,
		614	"active objects" => cf::object::actives_size,
		615	)
		616	}
		617
		618	=item $coin = coin_from_name $name
		619
		620	=cut
		621
		622	our %coin_alias = (
		623	"silver" => "silvercoin",
		624	"silvercoin" => "silvercoin",
		625	"silvercoins" => "silvercoin",
		626	"gold" => "goldcoin",
		627	"goldcoin" => "goldcoin",
		628	"goldcoins" => "goldcoin",
		629	"platinum" => "platinacoin",
		630	"platinumcoin" => "platinacoin",
		631	"platinumcoins" => "platinacoin",
		632	"platina" => "platinacoin",
		633	"platinacoin" => "platinacoin",
		634	"platinacoins" => "platinacoin",
		635	"royalty" => "royalty",
		636	"royalties" => "royalty",
		637	);
		638
		639	sub coin_from_name($) {
		640	$coin_alias{$_[0]}
		641	? cf::arch::find $coin_alias{$_[0]}
		642	: undef
		643	}
		644
		645	=item $value = cf::db_get $family => $key
		646
		647	Returns a single value from the environment database.
		648
		649	=item cf::db_put $family => $key => $value
		650
		651	Stores the given C<$value> in the family. It can currently store binary
		652	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		653
		654	=item $db = cf::db_table "name"
		655
		656	Create and/or open a new database table. The string must not be "db" and must be unique
		657	within each server.
		658
		659	=cut
		660
		661	sub db_table($) {
		662	cf::error "db_get called from main context"
		663	if $Coro::current == $Coro::main;
		664
		665	my ($name) = @_;
		666	my $db = BDB::db_create $DB_ENV;
		667
		668	eval {
		669	$db->set_flags (BDB::CHKSUM);
		670
		671	utf8::encode $name;
		672	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		673	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		674	cf::cleanup "db_open(db): $!" if $!;
		675	};
		676	cf::cleanup "db_open(db): $@" if $@;
		677
		678	$db
		679	}
		680
		681	our $DB;
		682
		683	sub db_init {
		684	$DB ||= db_table "db";
		685	}
		686
		687	sub db_get($$) {
		688	my $key = "$_[0]/$_[1]";
		689
		690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
		693	BDB::db_get $DB, undef, $key, my $data;
		694
		695	$! ? ()
		696	: $data
		697	}
		698
		699	sub db_put($$$) {
		700	BDB::dbreq_pri 4;
		701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		702	}
		703
		704	=item cf::cache $id => [$paths...], $processversion => $process
		705
		706	Generic caching function that returns the value of the resource $id,
		707	caching and regenerating as required.
		708
		709	This function can block.
		710
		711	=cut
		712
		713	sub cache {
		714	my ($id, $src, $processversion, $process) = @_;
		715
		716	my $meta =
		717	join "\x00",
		718	$processversion,
		719	map {
		720	aio_stat $_
		721	and Carp::croak "$_: $!";
		722
		723	($_, (stat _)[7,9])
		724	} @$src;
		725
		726	my $dbmeta = db_get cache => "$id/meta";
		727	if ($dbmeta ne $meta) {
		728	# changed, we may need to process
		729
		730	my @data;
		731	my $md5;
		732
		733	for (0 .. $#$src) {
		734	0 <= aio_load $src->[$_], $data[$_]
		735	or Carp::croak "$src->[$_]: $!";
		736	}
		737
		738	# if processing is expensive, check
		739	# checksum first
		740	if (1) {
		741	$md5 =
		742	join "\x00",
		743	$processversion,
		744	map {
		745	cf::cede_to_tick;
		746	($src->[$_], Digest::MD5::md5_hex $data[$_])
		747	} 0.. $#$src;
		748
		749
		750	my $dbmd5 = db_get cache => "$id/md5";
		751	if ($dbmd5 eq $md5) {
		752	db_put cache => "$id/meta", $meta;
		753
		754	return db_get cache => "$id/data";
		755	}
		756	}
		757
		758	my $t1 = Time::HiRes::time;
		759	my $data = $process->(\@data);
		760	my $t2 = Time::HiRes::time;
		761
		762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		763
		764	db_put cache => "$id/data", $data;
		765	db_put cache => "$id/md5" , $md5;
		766	db_put cache => "$id/meta", $meta;
		767
		768	return $data;
		769	}
		770
		771	db_get cache => "$id/data"
		772	}
		773
		774	=item cf::datalog type => key => value, ...
		775
		776	Log a datalog packet of the given type with the given key-value pairs.
		777
		778	=cut
		779
		780	sub datalog($@) {
		781	my ($type, %kv) = @_;
		782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	783	}
374		784
375	=back	785	=back
376		786
377	=cut	787	=cut
378		788
379	#############################################################################	789	#############################################################################
380		790
381	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
382		792
383	Many objects in crossfire are so-called attachable objects. That means you can	793	Many objects in deliantra are so-called attachable objects. That means you can
384	attach callbacks/event handlers (a collection of which is called an "attachment")	794	attach callbacks/event handlers (a collection of which is called an "attachment")
385	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
386		796
387	In the following description, CLASS can be any of C<global>, C<object>	797	In the following description, CLASS can be any of C<global>, C<object>
388	C<player>, C<client> or C<map> (i.e. the attachable objects in	798	C<player>, C<client> or C<map> (i.e. the attachable objects in
389	crossfire+).	799	Deliantra).
390		800
391	=over 4	801	=over 4
392		802
393	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
394		804
…		…
438	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
439		849
440	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
441	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
442		852
443	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
444	that are attached at load/instantiate time, thus the need for a name.	854	that are attached at load/instantiate time, thus the need for a name.
445		855
446	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
447		857
448	=over 4	858	=over 4
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	967	$registry = $CB_TYPE[$object_type] ||= [];
558		968
559	} elsif ($type eq "subtype") {	969	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	970	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	971	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	972	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		973
564	} elsif ($type eq "package") {	974	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	975	my $pkg = shift @arg;
566		976
567	while (my ($name, $id) = each %cb_id) {	977	while (my ($name, $id) = each %cb_id) {
…		…
572		982
573	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
574	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
575		985
576	} elsif (ref $type) {	986	} elsif (ref $type) {
577	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
578		988
579	} else {	989	} else {
580	shift @arg;	990	shift @arg;
581	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
582	}	992	}
583	}	993	}
584	}	994	}
585		995
586	sub _object_attach {	996	sub _object_attach {
…		…
596	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
597	}	1007	}
598		1008
599	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
600	} else {	1010	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
602	}	1012	}
603		1013
604	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
605	}	1015	}
606		1016
…		…
608	if (ref $_[0]) {	1018	if (ref $_[0]) {
609	_object_attach @_;	1019	_object_attach @_;
610	} else {	1020	} else {
611	_attach shift->_attach_registry, @_;	1021	_attach shift->_attach_registry, @_;
612	}	1022	}
		1023	_recalc_want;
613	};	1024	};
614		1025
615	# all those should be optimised	1026	# all those should be optimised
616	sub cf::attachable::detach {	1027	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	1028	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	1031	delete $obj->{_attachment}{$name};
621	reattach ($obj);	1032	reattach ($obj);
622	} else {	1033	} else {
623	Carp::croak "cannot, currently, detach class attachments";	1034	Carp::croak "cannot, currently, detach class attachments";
624	}	1035	}
		1036	_recalc_want;
625	};	1037	};
626		1038
627	sub cf::attachable::attached {	1039	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	1040	my ($obj, $name) = @_;
629		1041
…		…
644	";	1056	";
645	die if $@;	1057	die if $@;
646	}	1058	}
647		1059
648	our $override;	1060	our $override;
649	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1061	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
650		1062
651	sub override {	1063	sub override {
652	$override = 1;	1064	$override = 1;
653	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
654	}	1066	}
655		1067
656	sub do_invoke {	1068	sub do_invoke {
657	my $event = shift;	1069	my $event = shift;
658	my $callbacks = shift;	1070	my $callbacks = shift;
659		1071
660	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
661		1073
662	local $override;	1074	local $override;
663		1075
664	for (@$callbacks) {	1076	for (@$callbacks) {
665	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
666		1078
667	if ($@) {	1079	if ($@) {
668	warn "$@";
669	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
670	override;	1081	override;
671	}	1082	}
672		1083
673	return 1 if $override;	1084	return 1 if $override;
674	}	1085	}
675		1086
676	0	1087	0
677	}	1088	}
678		1089
679	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
680		1091
681	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
682		1093
683	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
684		1095
685	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1096	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
686	removed in future versions), and there is no public API to access override	1097	removed in future versions), and there is no public API to access override
687	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		1099
689	=back	1100	=back
690		1101
691	=cut	1102	=cut
692		1103
693	#############################################################################	1104	#############################################################################
694	# object support	1105	# object support
		1106
		1107	sub _object_equal($$);
		1108	sub _object_equal($$) {
		1109	my ($a, $b) = @_;
		1110
		1111	return 0 unless (ref $a) eq (ref $b);
		1112
		1113	if ("HASH" eq ref $a) {
		1114	my @ka = keys %$a;
		1115	my @kb = keys %$b;
		1116
		1117	return 0 if @ka != @kb;
		1118
		1119	for (0 .. $#ka) {
		1120	return 0 unless $ka[$_] eq $kb[$_];
		1121	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1122	}
		1123
		1124	} elsif ("ARRAY" eq ref $a) {
		1125
		1126	return 0 if @$a != @$b;
		1127
		1128	for (0 .. $#$a) {
		1129	return 0 unless _object_equal $a->[$_], $b->[$_];
		1130	}
		1131
		1132	} elsif ($a ne $b) {
		1133	return 0;
		1134	}
		1135
		1136	1
		1137	}
		1138
		1139	our $SLOW_MERGES;#d#
		1140	sub _can_merge {
		1141	my ($ob1, $ob2) = @_;
		1142
		1143	++$SLOW_MERGES;#d#
		1144
		1145	# we do the slow way here
		1146	return _object_equal $ob1, $ob2
		1147	}
695		1148
696	sub reattach {	1149	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	1151	my ($obj) = @_;
699		1152
		1153	# no longer needed after getting rid of delete_package?
700	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1154	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
701		1155
702	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
703		1157
704	@$registry = ();	1158	@$registry = ();
705		1159
…		…
710	for (@$attach) {	1164	for (@$attach) {
711	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
712	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
713	}	1167	}
714	} else {	1168	} else {
715	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
716	}	1170	}
717	}	1171	}
718	}	1172	}
719		1173
720	cf::attachable->attach (	1174	cf::attachable->attach (
721	prio => -1000000,	1175	prio => -1000000,
722	on_instantiate => sub {	1176	on_instantiate => sub {
723	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
724		1178
725	$data = from_json $data;	1179	$data = decode_json $data;
726		1180
727	for (@$data) {	1181	for (@$data) {
728	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
729		1183
730	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
746	sub object_freezer_save {	1200	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
748		1202
749	sync_job {	1203	sync_job {
750	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
753		1209
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1213	if ($cf::USE_FSYNC) {
		1214	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
757	aio_fsync $fh;	1215	aio_fsync $fh;
		1216	}
758	close $fh;	1217	aio_close $fh;
759		1218
760	if (@$objs) {	1219	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1220	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
		1224	if ($cf::USE_FSYNC) {
		1225	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
765	aio_fsync $fh;	1226	aio_fsync $fh;
		1227	}
766	close $fh;	1228	aio_close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
768	}	1230	}
769	} else {	1231	} else {
770	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
771	}	1233	}
772		1234
773	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
774	} else {	1239	} else {
775	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
776	}	1241	}
777	} else {	1242	} else {
778	aio_unlink $filename;	1243	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
780	}	1245	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	1246	};
788	}	1247	}
789		1248
790	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
792		1251
…		…
797		1256
798	sub object_thawer_load {	1257	sub object_thawer_load {
799	my ($filename) = @_;	1258	my ($filename) = @_;
800		1259
801	my ($data, $av);	1260	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1261
806	(aio_load $filename, $data) >= 0	1262	(aio_load $filename, $data) >= 0
807	or return;	1263	or return;
808		1264
809	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
811	or return;	1267	or return;
		1268
812	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
813	}	1271	}
814		1272
		1273	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
817	return ($data, $av);	1278	($data, $av)
818	}	1279	}
		1280
		1281	=head2 COMMAND CALLBACKS
		1282
		1283	=over 4
		1284
		1285	=cut
819		1286
820	#############################################################################	1287	#############################################################################
821	# command handling &c	1288	# command handling &c
822		1289
823	=item cf::register_command $name => \&callback($ob,$args);	1290	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1304	}
838		1305
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1307
841	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.
842		1313
843	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
844	called.	1315	called.
845		1316
		1317	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1318
		1319	Register a callback for execution when the client sends an (asynchronous)
		1320	exticmd packet. Exti commands are processed by the server as soon as they
		1321	are received, i.e. out of order w.r.t. other commands. The first argument
		1322	is a client socket. Exti commands can be received anytime, even before
		1323	log-in.
		1324
		1325	If the callback returns something, it is sent back as if reply was being
		1326	called.
		1327
846	=cut	1328	=cut
847		1329
848	sub register_extcmd {	1330	sub register_extcmd {
849	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
850		1332
851	$EXTCMD{$name} = $cb;	1333	$EXTCMD{$name} = $cb;
852	}	1334	}
853		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
		1343
854	cf::player->attach (	1344	cf::player->attach (
855	on_command => sub {	1345	on_unknown_command => sub {
856	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
857		1347
858	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
859	or return;	1349	or return;
860		1350
…		…
865	cf::override;	1355	cf::override;
866	},	1356	},
867	on_extcmd => sub {	1357	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
869		1359
870	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1361
872	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
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
878	} else {	1377	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1379	}
881		1380
882	cf::override;	1381	cf::override;
883	},	1382	},
884	);	1383	);
885		1384
		1385	# "readahead" all extensions
886	sub load_extension {	1386	sub cache_extensions {
887	my ($path) = @_;	1387	my $grp = IO::AIO::aio_group;
888		1388
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
890	my $base = $1;	1390	for (grep /\.ext$/, @{$_[0]}) {
891	my $pkg = $1;	1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}	1392	}
914	die $@;
915	}	1393	};
916		1394
917	push @EXTS, $pkg;	1395	$grp
918	}	1396	}
919		1397
920	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
		1401	cf::sync_job {
		1402	my %todo;
		1403
921	for my $ext (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1405	next unless -r $path;
923	eval {	1406
924	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 $active;
		1469	}
925	1	1470	}
926	} or warn "$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	}
927	}	1481	};
928	}	1482	}
929		1483
930	#############################################################################	1484	#############################################################################
931		1485
		1486	=back
		1487
932	=head2 CORE EXTENSIONS	1488	=head2 CORE EXTENSIONS
933		1489
934	Functions and methods that extend core crossfire objects.	1490	Functions and methods that extend core deliantra objects.
935		1491
936	=cut	1492	=cut
937		1493
938	package cf::player;	1494	package cf::player;
939		1495
…		…
941		1497
942	=head3 cf::player	1498	=head3 cf::player
943		1499
944	=over 4	1500	=over 4
945		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
946	=item cf::player::find $login	1516	=item cf::player::find $login
947		1517
948	Returns the given player object, loading it if necessary (might block).	1518	Returns the given player object, loading it if necessary (might block).
949		1519
950	=cut	1520	=cut
951		1521
952	sub playerdir($) {	1522	sub playerdir($) {
953	cf::localdir	1523	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1524	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1525	}
959		1526
960	sub path($) {	1527	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1528	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1529
963	(playerdir $login) . "/$login.pl"	1530	(playerdir $login) . "/playerdata"
964	}	1531	}
965		1532
966	sub find_active($) {	1533	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1534	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1535	and $cf::PLAYER{$_[0]}->active
…		…
971		1538
972	sub exists($) {	1539	sub exists($) {
973	my ($login) = @_;	1540	my ($login) = @_;
974		1541
975	$cf::PLAYER{$login}	1542	$cf::PLAYER{$login}
976	or cf::sync_job { !aio_stat path $login }	1543	or !aio_stat path $login
977	}	1544	}
978		1545
979	sub find($) {	1546	sub find($) {
980	return $cf::PLAYER{$_[0]} || do {	1547	return $cf::PLAYER{$_[0]} || do {
981	my $login = $_[0];	1548	my $login = $_[0];
982		1549
983	my $guard = cf::lock_acquire "user_find:$login";	1550	my $guard = cf::lock_acquire "user_find:$login";
984		1551
985	$cf::PLAYER{$_[0]} || do {	1552	$cf::PLAYER{$_[0]} || do {
986	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
987	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;
988	$cf::PLAYER{$login} = $pl	1568	$cf::PLAYER{$login} = $pl
989	}	1569	}
990	}	1570	}
991	}	1571	}
		1572
		1573	cf::player->attach (
		1574	on_load => sub {
		1575	my ($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	);
992		1585
993	sub save($) {	1586	sub save($) {
994	my ($pl) = @_;	1587	my ($pl) = @_;
995		1588
996	return if $pl->{deny_save};	1589	return if $pl->{deny_save};
…		…
1001	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
1002		1595
1003	aio_mkdir playerdir $pl, 0770;	1596	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1597	$pl->{last_save} = $cf::RUNTIME;
1005		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
1006	$pl->save_pl ($path);	1604	$pl->save_pl ($path);
1007	Coro::cede;	1605	cf::cede_to_tick;
1008	}	1606	}
1009		1607
1010	sub new($) {	1608	sub new($) {
1011	my ($login) = @_;	1609	my ($login) = @_;
1012		1610
…		…
1018	$cf::PLAYER{$login} = $self;	1616	$cf::PLAYER{$login} = $self;
1019		1617
1020	$self	1618	$self
1021	}	1619	}
1022		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
1023	=item $pl->quit_character	1631	=item $pl->quit_character
1024		1632
1025	Nukes the player without looking back. If logged in, the connection will	1633	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1634	be destroyed. May block for a long time.
1027		1635
1028	=cut	1636	=cut
1029		1637
1030	sub quit_character {	1638	sub quit_character {
1031	my ($pl) = @_;	1639	my ($pl) = @_;
1032		1640
		1641	my $name = $pl->ob->name;
		1642
1033	$pl->{deny_save} = 1;	1643	$pl->{deny_save} = 1;
1034	$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
1035		1645
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1646	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1037	$pl->deactivate;	1647	$pl->deactivate;
		1648	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1649	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1039	$pl->ns->destroy if $pl->ns;	1650	$pl->ns->destroy if $pl->ns;
1040		1651
1041	my $path = playerdir $pl;	1652	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1653	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1654	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1655	delete $cf::PLAYER{$pl->ob->name};
1045	$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
1046	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;
1047	}	1678	}
1048		1679
1049	=item cf::player::list_logins	1680	=item cf::player::list_logins
1050		1681
1051	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
1052	while and may block, so not sync_job-capable, ever.	1683	while and may block, so not sync_job-capable, ever.
1053		1684
1054	=cut	1685	=cut
1055		1686
1056	sub list_logins {	1687	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1688	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1689	or return [];
1059		1690
1060	my @logins;	1691	my @logins;
1061		1692
1062	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") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1699	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1700	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1701	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1702	}
1066		1703
1067	utf8::decode $login;	1704	utf8::decode $login;
1068	push @logins, $login;	1705	push @logins, $login;
1069	}	1706	}
1070		1707
1071	\@logins	1708	\@logins
1072	}	1709	}
1073		1710
1074	=item $player->maps	1711	=item $player->maps
		1712
		1713	=item cf::player::maps $login
1075		1714
1076	Returns an arrayref of map paths that are private for this	1715	Returns an arrayref of map paths that are private for this
1077	player. May block.	1716	player. May block.
1078		1717
1079	=cut	1718	=cut
…		…
1097	}	1736	}
1098		1737
1099	\@paths	1738	\@paths
1100	}	1739	}
1101		1740
		1741	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1742
		1743	Expand deliantra pod fragments into protocol xml.
		1744
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1745	=item $player->ext_reply ($msgid, @msg)
1103		1746
1104	Sends an ext reply to the player.	1747	Sends an ext reply to the player.
1105		1748
1106	=cut	1749	=cut
1107		1750
1108	sub ext_reply($$$%) {	1751	sub ext_reply($$@) {
1109	my ($self, $id, %msg) = @_;	1752	my ($self, $id, @msg) = @_;
1110		1753
1111	$msg{msgid} = $id;	1754	$self->ns->ext_reply ($id, @msg)
1112
1113	$self->send ("ext " . cf::to_json \%msg);
1114	}	1755	}
1115		1756
1116	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	}
1117		1799
1118	=back	1800	=back
1119
1120		1801
1121	=head3 cf::map	1802	=head3 cf::map
1122		1803
1123	=over 4	1804	=over 4
1124		1805
…		…
1136	our $MAX_RESET = 3600;	1817	our $MAX_RESET = 3600;
1137	our $DEFAULT_RESET = 3000;	1818	our $DEFAULT_RESET = 3000;
1138		1819
1139	sub generate_random_map {	1820	sub generate_random_map {
1140	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
1141	# mit "rum" bekleckern, nicht	1825	# mit "rum" bekleckern, nicht
1142	$self->_create_random_map (	1826	$self->_create_random_map (
1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1827	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1828	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1829	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1146	$rmp->{exit_on_final_map},	1830	$rmp->{exit_on_final_map},
1147	$rmp->{xsize}, $rmp->{ysize},	1831	$rmp->{xsize}, $rmp->{ysize},
1148	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1832	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1149	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1833	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1164		1848
1165	sub register {	1849	sub register {
1166	my (undef, $regex, $prio) = @_;	1850	my (undef, $regex, $prio) = @_;
1167	my $pkg = caller;	1851	my $pkg = caller;
1168		1852
1169	no strict;
1170	push @{"$pkg\::ISA"}, __PACKAGE__;	1853	push @{"$pkg\::ISA"}, __PACKAGE__;
1171		1854
1172	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1855	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1173	}	1856	}
1174		1857
1175	# also paths starting with '/'	1858	# also paths starting with '/'
1176	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1859	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1177		1860
1178	sub thawer_merge {	1861	sub thawer_merge {
1179	my ($self, $merge) = @_;	1862	my ($self, $merge) = @_;
1180		1863
1181	# we have to keep some variables in memory intact	1864	# we have to keep some variables in memory intact
1182	local $self->{path};	1865	local $self->{path};
1183	local $self->{load_path};	1866	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		1867
1187	$self->SUPER::thawer_merge ($merge);	1868	$self->SUPER::thawer_merge ($merge);
1188	}	1869	}
1189		1870
1190	sub normalise {	1871	sub normalise {
1191	my ($path, $base) = @_;	1872	my ($path, $base) = @_;
1192		1873
1193	$path = "$path"; # make sure its a string	1874	$path = "$path"; # make sure it's a string
1194		1875
1195	$path =~ s/\.map$//;	1876	$path =~ s/\.map$//;
1196		1877
1197	# map plan:	1878	# map plan:
1198	#	1879	#
…		…
1237	$self->init; # pass $1 etc.	1918	$self->init; # pass $1 etc.
1238	return $self;	1919	return $self;
1239	}	1920	}
1240	}	1921	}
1241		1922
1242	Carp::carp "unable to resolve path '$path' (base '$base').";	1923	Carp::cluck "unable to resolve path '$path' (base '$base')";
1243	()	1924	()
1244	}	1925	}
1245		1926
1246	sub init {	1927	sub init {
1247	my ($self) = @_;	1928	my ($self) = @_;
…		…
1262		1943
1263	# the original (read-only) location	1944	# the original (read-only) location
1264	sub load_path {	1945	sub load_path {
1265	my ($self) = @_;	1946	my ($self) = @_;
1266		1947
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1948	"$MAPDIR/$self->{path}.map"
1268	}	1949	}
1269		1950
1270	# the temporary/swap location	1951	# the temporary/swap location
1271	sub save_path {	1952	sub save_path {
1272	my ($self) = @_;	1953	my ($self) = @_;
1273		1954
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1955	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1956	"$TMPDIR/$path.map"
1276	}	1957	}
1277		1958
1278	# the unique path, undef == no special unique path	1959	# the unique path, undef == no special unique path
1279	sub uniq_path {	1960	sub uniq_path {
1280	my ($self) = @_;	1961	my ($self) = @_;
1281		1962
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1963	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1964	"$UNIQUEDIR/$path"
1284	}	1965	}
1285		1966
1286	# and all this just because we cannot iterate over	1967	sub decay_objects {
1287	# all maps in C++...
1288	sub change_all_map_light {
1289	my ($change) = @_;	1968	my ($self) = @_;
1290		1969
1291	$_->change_map_light ($change)	1970	return if $self->{deny_reset};
1292	for grep $_->outdoor, values %cf::MAP;	1971
		1972	$self->do_decay_objects;
1293	}	1973	}
1294		1974
1295	sub unlink_save {	1975	sub unlink_save {
1296	my ($self) = @_;	1976	my ($self) = @_;
1297		1977
1298	utf8::encode (my $save = $self->save_path);	1978	utf8::encode (my $save = $self->save_path);
1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1979	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1300	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1980	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1301
1302	#d#TODO remove .map and also nuke
1303	$save =~ s/\.map// or return;#d#
1304	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1305	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1306	}	1981	}
1307		1982
1308	sub load_header_from($) {	1983	sub load_header_from($) {
1309	my ($self, $path) = @_;	1984	my ($self, $path) = @_;
1310		1985
1311	utf8::encode $path;	1986	utf8::encode $path;
1312	#aio_open $path, O_RDONLY, 0	1987	my $f = new_from_file cf::object::thawer $path
1313	# or return;
1314
1315	$self->_load_header ($path)
1316	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;
1317		1995
1318	$self->{load_path} = $path;	1996	$self->{load_path} = $path;
1319		1997
1320	1	1998	1
1321	}	1999	}
…		…
1360	$self->load_header_orig	2038	$self->load_header_orig
1361	or return;	2039	or return;
1362	$self->prepare_orig;	2040	$self->prepare_orig;
1363	}	2041	}
1364		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
1365	1	2049	1
1366	}	2050	}
1367		2051
1368	sub find;	2052	sub find;
1369	sub find {	2053	sub find {
1370	my ($path, $origin) = @_;	2054	my ($path, $origin) = @_;
1371		2055
		2056	cf::cede_to_tick;
		2057
1372	$path = normalise $path, $origin && $origin->path;	2058	$path = normalise $path, $origin && $origin->path;
1373		2059
		2060	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1374	cf::lock_wait "map_find:$path";	2061	my $guard2 = cf::lock_acquire "map_find:$path";
1375		2062
1376	$cf::MAP{$path} || do {	2063	$cf::MAP{$path} || do {
1377	my $guard = cf::lock_acquire "map_find:$path";
1378	my $map = new_from_path cf::map $path	2064	my $map = new_from_path cf::map $path
1379	or return;	2065	or return;
1380		2066
1381	$map->{last_save} = $cf::RUNTIME;	2067	$map->{last_save} = $cf::RUNTIME;
1382		2068
1383	$map->load_header	2069	$map->load_header
1384	or return;	2070	or return;
1385		2071
1386	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2072	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1387	# doing this can freeze the server in a sync job, obviously	2073	# doing this can freeze the server in a sync job, obviously
1388	#$cf::WAIT_FOR_TICK->wait;	2074	#$cf::WAIT_FOR_TICK->wait;
		2075	undef $guard2;
		2076	undef $guard1;
1389	$map->reset;	2077	$map->reset;
1390	undef $guard;
1391	return find $path;	2078	return find $path;
1392	}	2079	}
1393		2080
1394	$cf::MAP{$path} = $map	2081	$cf::MAP{$path} = $map
1395	}	2082	}
1396	}	2083	}
1397		2084
1398	sub pre_load { }	2085	sub pre_load { }
1399	sub post_load { }	2086	#sub post_load { } # XS
1400		2087
1401	sub load {	2088	sub load {
1402	my ($self) = @_;	2089	my ($self) = @_;
1403		2090
1404	local $self->{deny_reset} = 1; # loading can take a long time	2091	local $self->{deny_reset} = 1; # loading can take a long time
1405		2092
1406	my $path = $self->{path};	2093	my $path = $self->{path};
		2094
		2095	{
1407	my $guard = cf::lock_acquire "map_load:$path";	2096	my $guard = cf::lock_acquire "map_data:$path";
1408		2097
		2098	return unless $self->valid;
1409	return if $self->in_memory != cf::MAP_SWAPPED;	2099	return unless $self->in_memory == cf::MAP_SWAPPED;
1410		2100
1411	$self->in_memory (cf::MAP_LOADING);	2101	$self->in_memory (cf::MAP_LOADING);
1412		2102
1413	$self->alloc;	2103	$self->alloc;
1414		2104
1415	$self->pre_load;	2105	$self->pre_load;
		2106	cf::cede_to_tick;
1416		2107
1417	$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)
1418	or return;	2111	or return;
1419		2112
1420	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2113	$self->post_load_original
1421	if delete $self->{load_original};	2114	if delete $self->{load_original};
1422		2115
1423	if (my $uniq = $self->uniq_path) {	2116	if (my $uniq = $self->uniq_path) {
1424	utf8::encode $uniq;	2117	utf8::encode $uniq;
1425	if (aio_open $uniq, O_RDONLY, 0) {	2118	unless (aio_stat $uniq) {
		2119	if (my $f = new_from_file cf::object::thawer $uniq) {
1426	$self->clear_unique_items;	2120	$self->clear_unique_items;
1427	$self->_load_objects ($uniq, 0);	2121	$self->_load_objects ($f);
		2122	$f->resolve_delayed_derefs;
		2123	}
1428	}	2124	}
1429	}	2125	}
1430		2126
1431	Coro::cede;	2127	$f->resolve_delayed_derefs;
1432		2128
		2129	cf::cede_to_tick;
1433	# now do the right thing for maps	2130	# now do the right thing for maps
1434	$self->link_multipart_objects;	2131	$self->link_multipart_objects;
1435
1436	unless ($self->{deny_activate}) {
1437	$self->decay_objects;
1438	$self->fix_auto_apply;
1439	$self->update_buttons;
1440	Coro::cede;
1441	$self->set_darkness_map;
1442	$self->difficulty ($self->estimate_difficulty)	2132	$self->difficulty ($self->estimate_difficulty)
1443	unless $self->difficulty;	2133	unless $self->difficulty;
1444	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;
1445	$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);
1446	}	2148	}
1447		2149
1448	$self->post_load;	2150	$self->post_load;
1449
1450	$self->in_memory (cf::MAP_IN_MEMORY);
1451	}	2151	}
1452		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
1453	sub customise_for {	2156	sub customise_for {
1454	my ($self, $ob) = @_;	2157	my ($self, $ob) = @_;
1455		2158
1456	return find "~" . $ob->name . "/" . $self->{path}	2159	return find "~" . $ob->name . "/" . $self->{path}
1457	if $self->per_player;	2160	if $self->per_player;
1458		2161
		2162	# return find "?party/" . $ob->name . "/" . $self->{path}
		2163	# if $self->per_party;
		2164
1459	$self	2165	$self
1460	}	2166	}
1461		2167
1462	# 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
1463	sub load_diag {	2169	sub load_neighbours {
1464	my ($map) = @_;	2170	my ($map) = @_;
1465		2171
1466	my @diag; # diagonal neighbours	2172	my @neigh; # diagonal neighbours
1467		2173
1468	for (0 .. 3) {	2174	for (0 .. 3) {
1469	my $neigh = $map->tile_path ($_)	2175	my $neigh = $map->tile_path ($_)
1470	or next;	2176	or next;
1471	$neigh = find $neigh, $map	2177	$neigh = find $neigh, $map
1472	or next;	2178	or next;
1473	$neigh->load;	2179	$neigh->load;
1474		2180
		2181	# now find the diagonal neighbours
		2182	push @neigh,
1475	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2183	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1476	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2184	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1477	}	2185	}
1478		2186
1479	for (@diag) {	2187	for (grep defined $_->[0], @neigh) {
		2188	my ($path, $origin) = @$_;
1480	my $neigh = find @$_	2189	my $neigh = find $path, $origin
1481	or next;	2190	or next;
1482	$neigh->load;	2191	$neigh->load;
1483	}	2192	}
1484	}	2193	}
1485		2194
1486	sub find_sync {	2195	sub find_sync {
1487	my ($path, $origin) = @_;	2196	my ($path, $origin) = @_;
1488		2197
1489	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
1490	}	2202	}
1491		2203
1492	sub do_load_sync {	2204	sub do_load_sync {
1493	my ($map) = @_;	2205	my ($map) = @_;
1494		2206
1495	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;
1496	}	2211	}
1497		2212
1498	our %MAP_PREFETCH;	2213	our %MAP_PREFETCH;
1499	our $MAP_PREFETCHER = undef;	2214	our $MAP_PREFETCHER = undef;
1500		2215
1501	sub find_async {	2216	sub find_async {
1502	my ($path, $origin) = @_;	2217	my ($path, $origin, $load) = @_;
1503		2218
1504	$path = normalise $path, $origin && $origin->{path};	2219	$path = normalise $path, $origin && $origin->{path};
1505		2220
1506	if (my $map = $cf::MAP{$path}) {	2221	if (my $map = $cf::MAP{$path}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2222	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1508	}	2223	}
1509		2224
1510	undef $MAP_PREFETCH{$path};	2225	$MAP_PREFETCH{$path} |= $load;
		2226
1511	$MAP_PREFETCHER ||= cf::async {	2227	$MAP_PREFETCHER ||= cf::async {
		2228	$Coro::current->{desc} = "map prefetcher";
		2229
1512	while (%MAP_PREFETCH) {	2230	while (%MAP_PREFETCH) {
1513	for my $path (keys %MAP_PREFETCH) {	2231	while (my ($k, $v) = each %MAP_PREFETCH) {
1514	my $map = find $path	2232	if (my $map = find $k) {
1515	or next;
1516	$map->load;	2233	$map->load if $v;
		2234	}
1517		2235
1518	delete $MAP_PREFETCH{$path};	2236	delete $MAP_PREFETCH{$k};
1519	}	2237	}
1520	}	2238	}
1521	undef $MAP_PREFETCHER;	2239	undef $MAP_PREFETCHER;
1522	};	2240	};
1523	$MAP_PREFETCHER->prio (6);	2241	$MAP_PREFETCHER->prio (6);
1524		2242
1525	()	2243	()
1526	}	2244	}
1527		2245
		2246	# common code, used by both ->save and ->swapout
1528	sub save {	2247	sub _save {
1529	my ($self) = @_;	2248	my ($self) = @_;
1530
1531	my $lock = cf::lock_acquire "map_data:" . $self->path;
1532		2249
1533	$self->{last_save} = $cf::RUNTIME;	2250	$self->{last_save} = $cf::RUNTIME;
1534		2251
1535	return unless $self->dirty;	2252	return unless $self->dirty;
1536		2253
…		…
1542	return if $self->{deny_save};	2259	return if $self->{deny_save};
1543		2260
1544	local $self->{last_access} = $self->last_access;#d#	2261	local $self->{last_access} = $self->last_access;#d#
1545		2262
1546	cf::async {	2263	cf::async {
		2264	$Coro::current->{desc} = "map player save";
1547	$_->contr->save for $self->players;	2265	$_->contr->save for $self->players;
1548	};	2266	};
		2267
		2268	cf::get_slot 0.02;
1549		2269
1550	if ($uniq) {	2270	if ($uniq) {
1551	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2271	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1552	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2272	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1553	} else {	2273	} else {
1554	$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);
1555	}	2275	}
1556	}	2276	}
1557		2277
		2278	sub save {
		2279	my ($self) = @_;
		2280
		2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2282
		2283	$self->_save;
		2284	}
		2285
1558	sub swap_out {	2286	sub swap_out {
1559	my ($self) = @_;	2287	my ($self) = @_;
1560		2288
1561	# save first because save cedes
1562	$self->save;
1563
1564	my $lock = cf::lock_acquire "map_data:" . $self->path;	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
1565		2290
		2291	return if $self->in_memory != cf::MAP_ACTIVE;
		2292	return if $self->{deny_save};
1566	return if $self->players;	2293	return if $self->players;
1567	return if $self->in_memory != cf::MAP_IN_MEMORY;
1568	return if $self->{deny_save};
1569		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
1570	$self->clear;	2304	$self->clear;
1571	$self->in_memory (cf::MAP_SWAPPED);
1572	}	2305	}
1573		2306
1574	sub reset_at {	2307	sub reset_at {
1575	my ($self) = @_;	2308	my ($self) = @_;
1576		2309
1577	# TODO: safety, remove and allow resettable per-player maps	2310	# TODO: safety, remove and allow resettable per-player maps
1578	return 1e99 if $self->isa ("ext::map_per_player");#d#
1579	return 1e99 if $self->{deny_reset};	2311	return 1e99 if $self->{deny_reset};
1580		2312
1581	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2313	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1582	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;
1583		2315
…		…
1594	my ($self) = @_;	2326	my ($self) = @_;
1595		2327
1596	my $lock = cf::lock_acquire "map_data:$self->{path}";	2328	my $lock = cf::lock_acquire "map_data:$self->{path}";
1597		2329
1598	return if $self->players;	2330	return if $self->players;
1599	return if $self->isa ("ext::map_per_player");#d#
1600		2331
1601	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	}
1602		2343
1603	delete $cf::MAP{$self->path};	2344	delete $cf::MAP{$self->path};
1604		2345
1605	$self->in_memory (cf::MAP_SWAPPED);	2346	$self->deactivate;
		2347	$_->clear_links_to ($self) for values %cf::MAP;
1606	$self->clear;	2348	$self->clear;
1607
1608	$_->clear_links_to ($self) for values %cf::MAP;
1609		2349
1610	$self->unlink_save;	2350	$self->unlink_save;
1611	$self->destroy;	2351	$self->destroy;
1612	}	2352	}
1613		2353
1614	my $nuke_counter = "aaaa";	2354	my $nuke_counter = "aaaa";
1615		2355
1616	sub nuke {	2356	sub nuke {
1617	my ($self) = @_;	2357	my ($self) = @_;
1618		2358
		2359	{
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
1619	delete $cf::MAP{$self->path};	2362	delete $cf::MAP{$self->path};
1620		2363
1621	$self->unlink_save;	2364	$self->unlink_save;
1622		2365
1623	bless $self, "cf::map";	2366	bless $self, "cf::map::wrap";
1624	delete $self->{deny_reset};	2367	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	2368	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	2369	$self->reset_timeout (1);
1627	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2370	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1628		2371
1629	$cf::MAP{$self->path} = $self;	2372	$cf::MAP{$self->path} = $self;
		2373	}
1630		2374
1631	$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	]
1632	}	2412	}
1633		2413
1634	=item cf::map::unique_maps	2414	=item cf::map::unique_maps
1635		2415
1636	Returns an arrayref of paths of all shared maps that have	2416	Returns an arrayref of paths of all shared maps that have
1637	instantiated unique items. May block.	2417	instantiated unique items. May block.
1638		2418
1639	=cut	2419	=cut
1640		2420
1641	sub unique_maps() {	2421	sub unique_maps() {
1642	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2422	[
1643	or return;	2423	map {
1644
1645	my @paths;
1646
1647	for (@$files) {
1648	utf8::decode $_;	2424	utf8::decode $_;
1649	next if /\.pst$/;	2425	s/\.map$//; # TODO future compatibility hack
1650	next unless /^$PATH_SEP/o;	2426	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1651		2427	? ()
1652	push @paths, cf::map::normalise $_;	2428	: normalise $_
		2429	} @{ aio_readdir $UNIQUEDIR or [] }
1653	}	2430	]
1654
1655	\@paths
1656	}	2431	}
1657		2432
1658	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	}
1659		2464
1660	=back	2465	=back
1661		2466
1662	=head3 cf::object	2467	=head3 cf::object
1663		2468
…		…
1667		2472
1668	=over 4	2473	=over 4
1669		2474
1670	=item $ob->inv_recursive	2475	=item $ob->inv_recursive
1671		2476
1672	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.
1673		2479
1674	=cut	2480	=cut
1675		2481
1676	sub inv_recursive_;	2482	sub inv_recursive_;
1677	sub inv_recursive_ {	2483	sub inv_recursive_ {
…		…
1680		2486
1681	sub inv_recursive {	2487	sub inv_recursive {
1682	inv_recursive_ inv $_[0]	2488	inv_recursive_ inv $_[0]
1683	}	2489	}
1684		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
1685	package cf;	2519	package cf;
1686		2520
1687	=back	2521	=back
1688		2522
1689	=head3 cf::object::player	2523	=head3 cf::object::player
…		…
1695	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>
1696	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
1697	dialogue with the given NPC character.	2531	dialogue with the given NPC character.
1698		2532
1699	=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	};
1700		2548
1701	# rough implementation of a future "reply" method that works	2549	# rough implementation of a future "reply" method that works
1702	# with dialog boxes.	2550	# with dialog boxes.
1703	#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
1704	sub cf::object::player::reply($$$;$) {	2552	sub cf::object::player::reply($$$;$) {
…		…
1706		2554
1707	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2555	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1708		2556
1709	if ($self->{record_replies}) {	2557	if ($self->{record_replies}) {
1710	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2558	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2559
1711	} 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 {
1712	$msg = $npc->name . " says: $msg" if $npc;	2568	$msg = $npc->name . " says: $msg" if $npc;
1713	$self->message ($msg, $flags);	2569	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2570	}
1714	}	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 (@_);
1715	}	2582	}
1716		2583
1717	=item $player_object->may ("access")	2584	=item $player_object->may ("access")
1718		2585
1719	Returns wether the given player is authorized to access resource "access"	2586	Returns wether the given player is authorized to access resource "access"
…		…
1732		2599
1733	=item $player_object->enter_link	2600	=item $player_object->enter_link
1734		2601
1735	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}>).
1736		2603
1737	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.
1738	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.
1739		2608
1740	Will never block.	2609	Will never block.
1741		2610
1742	=item $player_object->leave_link ($map, $x, $y)	2611	=item $player_object->leave_link ($map, $x, $y)
1743		2612
…		…
1763	sub cf::object::player::enter_link {	2632	sub cf::object::player::enter_link {
1764	my ($self) = @_;	2633	my ($self) = @_;
1765		2634
1766	$self->deactivate_recursive;	2635	$self->deactivate_recursive;
1767		2636
		2637	++$self->{_link_recursion};
		2638
1768	return if UNIVERSAL::isa $self->map, "ext::map_link";	2639	return if UNIVERSAL::isa $self->map, "ext::map_link";
1769		2640
1770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2641	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1771	if $self->map;	2642	if $self->map && $self->map->{path} ne "{link}";
1772		2643
1773	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2644	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1774	}	2645	}
1775		2646
1776	sub cf::object::player::leave_link {	2647	sub cf::object::player::leave_link {
1777	my ($self, $map, $x, $y) = @_;	2648	my ($self, $map, $x, $y) = @_;
		2649
		2650	return unless $self->contr->active;
1778		2651
1779	my $link_pos = delete $self->{_link_pos};	2652	my $link_pos = delete $self->{_link_pos};
1780		2653
1781	unless ($map) {	2654	unless ($map) {
1782	# restore original map position	2655	# restore original map position
…		…
1793	($x, $y) = (-1, -1)	2666	($x, $y) = (-1, -1)
1794	unless (defined $x) && (defined $y);	2667	unless (defined $x) && (defined $y);
1795		2668
1796	# use -1 or undef as default coordinates, not 0, 0	2669	# use -1 or undef as default coordinates, not 0, 0
1797	($x, $y) = ($map->enter_x, $map->enter_y)	2670	($x, $y) = ($map->enter_x, $map->enter_y)
1798	if $x <=0 && $y <= 0;	2671	if $x <= 0 && $y <= 0;
1799		2672
1800	$map->load;	2673	$map->load;
1801	$map->load_diag;	2674	$map->load_neighbours;
1802		2675
1803	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
1804	$self->activate_recursive;	2683	$self->activate_recursive;
1805	$self->enter_map ($map, $x, $y);
1806	}
1807
1808	cf::player->attach (
1809	on_logout => sub {
1810	my ($pl) = @_;
1811
1812	# abort map switching before logout
1813	if ($pl->ob->{_link_pos}) {
1814	cf::sync_job {
1815	$pl->ob->leave_link
1816	};
1817	}
1818	},	2684	}
1819	on_login => sub {
1820	my ($pl) = @_;
1821		2685
1822	# try to abort aborted map switching on player login :)	2686	}
1823	# should happen only on crashes
1824	if ($pl->ob->{_link_pos}) {
1825	$pl->ob->enter_link;
1826	(async {
1827	# we need this sleep as the login has a concurrent enter_exit running
1828	# and this sleep increases chances of the player not ending up in scorn
1829	$pl->ob->reply (undef,
1830	"There was an internal problem at your last logout, "
1831	. "the server will try to bring you to your intended destination in a second.",
1832	cf::NDI_RED);
1833	Coro::Timer::sleep 1;
1834	$pl->ob->leave_link;
1835	})->prio (2);
1836	}
1837	},
1838	);
1839		2687
1840	=item $player_object->goto ($path, $x, $y)	2688	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1841		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
1842	=cut	2699	=cut
		2700
		2701	our $GOTOGEN;
1843		2702
1844	sub cf::object::player::goto {	2703	sub cf::object::player::goto {
1845	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;
1846		2714
1847	$self->enter_link;	2715	$self->enter_link;
1848		2716
1849	(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
1850	my $map = eval {	2739	my $map = eval {
1851	my $map = cf::map::find $path;	2740	my $map = defined $path ? cf::map::find $path : undef;
		2741
		2742	if ($map) {
1852	$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
1853	$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 $@;
1854	} or	2755	}
1855	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1856		2756
		2757	if ($gen == $self->{_goto_generation}) {
		2758	delete $self->{_goto_generation};
1857	$self->leave_link ($map, $x, $y);	2759	$self->leave_link ($map, $x, $y);
		2760	}
		2761
		2762	$done->($self) if $done;
1858	})->prio (1);	2763	})->prio (1);
1859	}	2764	}
1860		2765
1861	=item $player_object->enter_exit ($exit_object)	2766	=item $player_object->enter_exit ($exit_object)
1862		2767
…		…
1882	}	2787	}
1883		2788
1884	sub prepare_random_map {	2789	sub prepare_random_map {
1885	my ($exit) = @_;	2790	my ($exit) = @_;
1886		2791
1887	my $guard = cf::lock_acquire "exit_prepare:$exit";
1888
1889	# all this does is basically replace the /! path by	2792	# all this does is basically replace the /! path by
1890	# a new random map path (?random/...) with a seed	2793	# a new random map path (?random/...) with a seed
1891	# that depends on the exit object	2794	# that depends on the exit object
1892		2795
1893	my $rmp = parse_random_map_params $exit->msg;	2796	my $rmp = parse_random_map_params $exit->msg;
…		…
1895	if ($exit->map) {	2798	if ($exit->map) {
1896	$rmp->{region} = $exit->region->name;	2799	$rmp->{region} = $exit->region->name;
1897	$rmp->{origin_map} = $exit->map->path;	2800	$rmp->{origin_map} = $exit->map->path;
1898	$rmp->{origin_x} = $exit->x;	2801	$rmp->{origin_x} = $exit->x;
1899	$rmp->{origin_y} = $exit->y;	2802	$rmp->{origin_y} = $exit->y;
		2803
		2804	$exit->map->touch;
1900	}	2805	}
1901		2806
1902	$rmp->{random_seed} ||= $exit->random_seed;	2807	$rmp->{random_seed} ||= $exit->random_seed;
1903		2808
1904	my $data = cf::to_json $rmp;	2809	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1905	my $md5 = Digest::MD5::md5_hex $data;	2810	my $md5 = Digest::MD5::md5_hex $data;
1906	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2811	my $meta = "$RANDOMDIR/$md5.meta";
1907		2812
1908	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2813	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1909	aio_write $fh, 0, (length $data), $data, 0;	2814	aio_write $fh, 0, (length $data), $data, 0;
1910	undef $fh;	2815	undef $fh;
1911	aio_rename "$meta~", $meta;	2816	aio_rename "$meta~", $meta;
1912		2817
		2818	my $slaying = "?random/$md5";
		2819
		2820	if ($exit->valid) {
1913	$exit->slaying ("?random/$md5");	2821	$exit->slaying ("?random/$md5");
1914	$exit->msg (undef);	2822	$exit->msg (undef);
		2823	}
1915	}	2824	}
1916	}	2825	}
1917		2826
1918	sub cf::object::player::enter_exit {	2827	sub cf::object::player::enter_exit {
1919	my ($self, $exit) = @_;	2828	my ($self, $exit) = @_;
1920		2829
1921	return unless $self->type == cf::PLAYER;	2830	return unless $self->type == cf::PLAYER;
1922		2831
1923	if ($exit->slaying eq "/!") {
1924	#TODO: this should de-fi-ni-te-ly not be a sync-job
1925	cf::sync_job { prepare_random_map $exit };
1926	}
1927
1928	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1929	my $hp = $exit->stats->hp;
1930	my $sp = $exit->stats->sp;
1931
1932	$self->enter_link;	2832	$self->enter_link;
1933		2833
1934	(async {	2834	(async {
1935	$self->deactivate_recursive; # just to be sure	2835	$Coro::current->{desc} = "enter_exit";
		2836
1936	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
1937	$self->goto ($slaying, $hp, $sp);	2852	$self->goto ($map, $x, $y);
1938		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
1939	1;	2858	1
1940	}) {	2859	}) {
1941	$self->message ("Something went wrong deep within the crossfire server. "	2860	$self->message ("Something went wrong deep within the deliantra server. "
1942	. "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. "
1943	. "Please report this to the dungeon master!",	2862	. "Please report this to the dungeon master!",
1944	cf::NDI_UNIQUE | cf::NDI_RED);	2863	cf::NDI_UNIQUE | cf::NDI_RED);
1945		2864
1946	warn "ERROR in enter_exit: $@";	2865	error "ERROR in enter_exit: $@";
1947	$self->leave_link;	2866	$self->leave_link;
1948	}	2867	}
1949	})->prio (1);	2868	})->prio (1);
1950	}	2869	}
1951		2870
…		…
1962		2881
1963	sub cf::client::send_drawinfo {	2882	sub cf::client::send_drawinfo {
1964	my ($self, $text, $flags) = @_;	2883	my ($self, $text, $flags) = @_;
1965		2884
1966	utf8::encode $text;	2885	utf8::encode $text;
1967	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2886	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1968	}	2887	}
1969		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	}
1970		3110
1971	=item $success = $client->query ($flags, "text", \&cb)	3111	=item $success = $client->query ($flags, "text", \&cb)
1972		3112
1973	Queues a query to the client, calling the given callback with	3113	Queues a query to the client, calling the given callback with
1974	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>,
1975	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>.
1976		3116
1977	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
1978	reliable at some point in the future.	3118	become reliable at some point in the future.
1979		3119
1980	=cut	3120	=cut
1981		3121
1982	sub cf::client::query {	3122	sub cf::client::query {
1983	my ($self, $flags, $text, $cb) = @_;	3123	my ($self, $flags, $text, $cb) = @_;
…		…
1991	utf8::encode $text;	3131	utf8::encode $text;
1992	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3132	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1993		3133
1994	$self->send_packet ($self->{query_queue}[0][0])	3134	$self->send_packet ($self->{query_queue}[0][0])
1995	if @{ $self->{query_queue} } == 1;	3135	if @{ $self->{query_queue} } == 1;
		3136
		3137	1
1996	}	3138	}
1997		3139
1998	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	},
1999	on_reply => sub {	3146	on_reply => sub {
2000	my ($ns, $msg) = @_;	3147	my ($ns, $msg) = @_;
2001		3148
2002	# this weird shuffling is so that direct followup queries	3149	# this weird shuffling is so that direct followup queries
2003	# get handled first	3150	# get handled first
2004	my $queue = delete $ns->{query_queue}	3151	my $queue = delete $ns->{query_queue}
2005	or return; # be conservative, not sure how that can happen, but we saw a crash here	3152	or return; # be conservative, not sure how that can happen, but we saw a crash here
2006		3153
2007	(shift @$queue)->[1]->($msg);	3154	(shift @$queue)->[1]->($msg);
		3155	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
2008		3156
2009	push @{ $ns->{query_queue} }, @$queue;	3157	push @{ $ns->{query_queue} }, @$queue;
2010		3158
2011	if (@{ $ns->{query_queue} } == @$queue) {	3159	if (@{ $ns->{query_queue} } == @$queue) {
2012	if (@$queue) {	3160	if (@$queue) {
…		…
2014	} else {	3162	} else {
2015	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2016	}	3164	}
2017	}	3165	}
2018	},	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	},
2019	);	3193	);
2020		3194
2021	=item $client->async (\&cb)	3195	=item $client->async (\&cb)
2022		3196
2023	Create a new coroutine, running the specified callback. The coroutine will	3197	Create a new coroutine, running the specified callback. The coroutine will
…		…
2039		3213
2040	$coro	3214	$coro
2041	}	3215	}
2042		3216
2043	cf::client->attach (	3217	cf::client->attach (
2044	on_destroy => sub {	3218	on_client_destroy => sub {
2045	my ($ns) = @_;	3219	my ($ns) = @_;
2046		3220
2047	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3221	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2048	},	3222	},
2049	);	3223	);
…		…
2064	our $safe = new Safe "safe";	3238	our $safe = new Safe "safe";
2065	our $safe_hole = new Safe::Hole;	3239	our $safe_hole = new Safe::Hole;
2066		3240
2067	$SIG{FPE} = 'IGNORE';	3241	$SIG{FPE} = 'IGNORE';
2068		3242
2069	$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	));
2070		3248
2071	# here we export the classes and methods available to script code	3249	# here we export the classes and methods available to script code
2072		3250
2073	=pod	3251	=pod
2074		3252
2075	The following fucntions and emthods are available within a safe environment:	3253	The following functions and methods are available within a safe environment:
2076		3254
2077	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
2078	cf::object::player player	3260	cf::object::player
2079	cf::player peaceful	3261	player
2080	cf::map trigger	3262
		3263	cf::player
		3264	peaceful
		3265
		3266	cf::map
		3267	trigger
2081		3268
2082	=cut	3269	=cut
2083		3270
2084	for (	3271	for (
2085	["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)],
2086	["cf::object::player" => qw(player)],	3275	["cf::object::player" => qw(player)],
2087	["cf::player" => qw(peaceful)],	3276	["cf::player" => qw(peaceful send_msg)],
2088	["cf::map" => qw(trigger)],	3277	["cf::map" => qw(trigger)],
2089	) {	3278	) {
2090	no strict 'refs';
2091	my ($pkg, @funs) = @$_;	3279	my ($pkg, @funs) = @$_;
2092	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3280	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2093	for @funs;	3281	for @funs;
2094	}	3282	}
2095		3283
…		…
2110		3298
2111	my $qcode = $code;	3299	my $qcode = $code;
2112	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3300	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2113	$qcode =~ s/\n/\\n/g;	3301	$qcode =~ s/\n/\\n/g;
2114		3302
		3303	%vars = (_dummy => 0) unless %vars;
		3304
		3305	my @res;
2115	local $_;	3306	local $_;
2116	local @safe::cf::_safe_eval_args = values %vars;
2117		3307
2118	my $eval =	3308	my $eval =
2119	"do {\n"	3309	"do {\n"
2120	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3310	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2121	. "#line 0 \"{$qcode}\"\n"	3311	. "#line 0 \"{$qcode}\"\n"
2122	. $code	3312	. $code
2123	. "\n}"	3313	. "\n}"
2124	;	3314	;
2125		3315
		3316	if ($CFG{safe_eval}) {
2126	sub_generation_inc;	3317	sub_generation_inc;
		3318	local @safe::cf::_safe_eval_args = values %vars;
2127	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3319	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2128	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	}
2129		3325
2130	if ($@) {	3326	if ($@) {
2131	warn "$@";	3327	warn "$@",
2132	warn "while executing safe code '$code'\n";	3328	"while executing safe code '$code'\n",
2133	warn "with arguments " . (join " ", %vars) . "\n";	3329	"with arguments " . (join " ", %vars) . "\n";
2134	}	3330	}
2135		3331
2136	wantarray ? @res : $res[0]	3332	wantarray ? @res : $res[0]
2137	}	3333	}
2138		3334
…		…
2152	=cut	3348	=cut
2153		3349
2154	sub register_script_function {	3350	sub register_script_function {
2155	my ($fun, $cb) = @_;	3351	my ($fun, $cb) = @_;
2156		3352
2157	no strict 'refs';	3353	$fun = "safe::$fun" if $CFG{safe_eval};
2158	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3354	*$fun = $safe_hole->wrap ($cb);
2159	}	3355	}
2160		3356
2161	=back	3357	=back
2162		3358
2163	=cut	3359	=cut
2164		3360
2165	#############################################################################	3361	#############################################################################
		3362	# the server's init and main functions
2166		3363
2167	=head2 EXTENSION DATABASE SUPPORT	3364	sub load_facedata($) {
		3365	my ($path) = @_;
2168		3366
2169	Crossfire maintains a very simple database for extension use. It can	3367	# HACK to clear player env face cache, we need some signal framework
2170	currently store anything that can be serialised using Storable, which	3368	# for this (global event?)
2171	excludes objects.	3369	%ext::player_env::MUSIC_FACE_CACHE = ();
2172		3370
2173	The parameter C<$family> should best start with the name of the extension	3371	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2174	using it, it should be unique.
2175		3372
2176	=over 4	3373	trace "loading facedata from $path\n";
2177		3374
2178	=item $hashref = cf::db_get $family	3375	my $facedata;
		3376	0 < aio_load $path, $facedata
		3377	or die "$path: $!";
2179		3378
2180	Return a hashref for use by the extension C<$family>, which can be	3379	$facedata = Coro::Storable::thaw $facedata;
2181	modified. After modifications, you have to call C<cf::db_dirty> or
2182	C<cf::db_sync>.
2183		3380
2184	=item $value = cf::db_get $family => $key	3381	$facedata->{version} == 2
		3382	or cf::cleanup "$path: version mismatch, cannot proceed.";
2185		3383
2186	Returns a single value from the database	3384	# patch in the exptable
2187		3385	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2188	=item cf::db_put $family => $hashref	3386	$facedata->{resource}{"res/exp_table"} = {
2189		3387	type => FT_RSRC,
2190	Stores the given family hashref into the database. Updates are delayed, if	3388	data => $exp_table,
2191	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3389	hash => (Digest::MD5::md5 $exp_table),
2192
2193	=item cf::db_put $family => $key => $value
2194
2195	Stores the given C<$value> in the family hash. Updates are delayed, if you
2196	want the data to be synced to disk immediately, use C<cf::db_sync>.
2197
2198	=item cf::db_dirty
2199
2200	Marks the database as dirty, to be updated at a later time.
2201
2202	=item cf::db_sync
2203
2204	Immediately write the database to disk I<if it is dirty>.
2205
2206	=cut
2207
2208	our $DB;
2209
2210	{
2211	my $path = cf::localdir . "/database.pst";
2212
2213	sub db_load() {
2214	$DB = stat $path ? Storable::retrieve $path : { };
2215	}	3390	};
		3391	cf::cede_to_tick;
2216		3392
2217	my $pid;
2218
2219	sub db_save() {
2220	waitpid $pid, 0 if $pid;
2221	if (0 == ($pid = fork)) {
2222	$DB->{_meta}{version} = 1;
2223	Storable::nstore $DB, "$path~";
2224	rename "$path~", $path;
2225	cf::_exit 0 if defined $pid;
2226	}
2227	}	3393	{
		3394	my $faces = $facedata->{faceinfo};
2228		3395
2229	my $dirty;	3396	while (my ($face, $info) = each %$faces) {
		3397	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2230		3398
2231	sub db_sync() {	3399	cf::face::set_visibility $idx, $info->{visibility};
2232	db_save if $dirty;	3400	cf::face::set_magicmap $idx, $info->{magicmap};
2233	undef $dirty;	3401	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2234	}	3402	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2235		3403
2236	my $idle = Event->idle (	3404	cf::cede_to_tick;
2237	reentrant => 0,
2238	min => 10,
2239	max => 20,
2240	repeat => 0,
2241	data => WF_AUTOCANCEL,
2242	cb => \&db_sync,
2243	);
2244
2245	sub db_dirty() {
2246	$dirty = 1;
2247	$idle->start;
2248	}
2249
2250	sub db_get($;$) {
2251	@_ >= 2
2252	? $DB->{$_[0]}{$_[1]}
2253	: ($DB->{$_[0]} ||= { })
2254	}
2255
2256	sub db_put($$;$) {
2257	if (@_ >= 3) {
2258	$DB->{$_[0]}{$_[1]} = $_[2];
2259	} else {
2260	$DB->{$_[0]} = $_[1];
2261	}
2262	db_dirty;
2263	}
2264
2265	cf::global->attach (
2266	prio => 10000,
2267	on_cleanup => sub {
2268	db_sync;
2269	},	3405	}
2270	);
2271	}
2272		3406
2273	#############################################################################	3407	while (my ($face, $info) = each %$faces) {
2274	# the server's main()	3408	next unless $info->{smooth};
2275		3409
2276	sub cfg_load {	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, $v);
		3462	}
		3463	};
		3464
		3465	sub load_resource_file($) {
		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"
		3481	or die "unable to load regions file\n";
		3482
		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_exp_table;
		3531	reload_materials;
		3532	reload_facedata;
		3533	reload_sound;
		3534	reload_archetypes;
		3535	reload_regions;
		3536	reload_treasures;
		3537
		3538	trace "finished reloading resource files\n";
		3539	}
		3540
		3541	sub reload_config {
		3542	trace "reloading config file...\n";
		3543
2277	open my $fh, "<:utf8", cf::confdir . "/config"	3544	open my $fh, "<:utf8", "$CONFDIR/config"
2278	or return;	3545	or return;
2279		3546
2280	local $/;	3547	local $/;
2281	*CFG = YAML::Syck::Load <$fh>;	3548	*CFG = YAML::XS::Load scalar <$fh>;
2282		3549
2283	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3550	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2284		3551
2285	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3552	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2286	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3553	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2287		3554
2288	if (exists $CFG{mlockall}) {	3555	if (exists $CFG{mlockall}) {
…		…
2290	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3557	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2291	and die "WARNING: m(un)lockall failed: $!\n";	3558	and die "WARNING: m(un)lockall failed: $!\n";
2292	};	3559	};
2293	warn $@ if $@;	3560	warn $@ if $@;
2294	}	3561	}
		3562
		3563	trace "finished reloading resource files\n";
		3564	}
		3565
		3566	sub pidfile() {
		3567	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3568	or die "$PIDFILE: $!";
		3569	flock $fh, &Fcntl::LOCK_EX
		3570	or die "$PIDFILE: flock: $!";
		3571	$fh
		3572	}
		3573
		3574	# make sure only one server instance is running at any one time
		3575	sub atomic {
		3576	my $fh = pidfile;
		3577
		3578	my $pid = <$fh>;
		3579	kill 9, $pid if $pid > 0;
		3580
		3581	seek $fh, 0, 0;
		3582	print $fh $$;
		3583	}
		3584
		3585	sub main_loop {
		3586	trace "EV::loop starting\n";
		3587	if (1) {
		3588	EV::loop;
		3589	}
		3590	trace "EV::loop returned\n";
		3591	goto &main_loop unless $REALLY_UNLOOP;
2295	}	3592	}
2296		3593
2297	sub main {	3594	sub main {
		3595	cf::init_globals; # initialise logging
		3596
		3597	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3598	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3599	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3600	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3601
		3602	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3603
2298	# we must not ever block the main coroutine	3604	# we must not ever block the main coroutine
2299	local $Coro::idle = sub {	3605	local $Coro::idle = sub {
2300	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3606	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2301	(async {	3607	(async {
2302	Event::one_event;	3608	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3609	EV::loop EV::LOOP_ONESHOT;
2303	})->prio (Coro::PRIO_MAX);	3610	})->prio (Coro::PRIO_MAX);
2304	};	3611	};
2305		3612
2306	cfg_load;	3613	evthread_start IO::AIO::poll_fileno;
2307	db_load;	3614
		3615	cf::sync_job {
		3616	cf::incloader::init ();
		3617
		3618	cf::init_anim;
		3619	cf::init_attackmess;
		3620	cf::init_dynamic;
		3621
		3622	cf::load_settings;
		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
2308	load_extensions;	3636	load_extensions;
2309		3637
2310	$TICK_WATCHER->start;	3638	utime time, time, $RUNTIMEFILE;
2311	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;
2312	}	3656	}
2313		3657
2314	#############################################################################	3658	#############################################################################
2315	# initialisation and cleanup	3659	# initialisation and cleanup
2316		3660
2317	# install some emergency cleanup handlers	3661	# install some emergency cleanup handlers
2318	BEGIN {	3662	BEGIN {
		3663	our %SIGWATCHER = ();
2319	for my $signal (qw(INT HUP TERM)) {	3664	for my $signal (qw(INT HUP TERM)) {
2320	Event->signal (	3665	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2321	reentrant => 0,
2322	data => WF_AUTOCANCEL,
2323	signal => $signal,
2324	prio => 0,
2325	cb => sub {
2326	cf::cleanup "SIG$signal";	3666	cf::cleanup "SIG$signal";
2327	},
2328	);	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
2329	}	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 };
2330	}	3757	}
2331		3758
2332	sub emergency_save() {	3759	sub emergency_save() {
2333	my $freeze_guard = cf::freeze_mainloop;	3760	my $freeze_guard = cf::freeze_mainloop;
2334		3761
2335	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;
2336		3768
2337	cf::sync_job {	3769	cf::sync_job {
		3770	cf::write_runtime_sync; # external watchdog should not bark
		3771
2338	# use a peculiar iteration method to avoid tripping on perl	3772	# use a peculiar iteration method to avoid tripping on perl
2339	# refcount bugs in for. also avoids problems with players	3773	# refcount bugs in for. also avoids problems with players
2340	# and maps saved/destroyed asynchronously.	3774	# and maps saved/destroyed asynchronously.
2341	warn "begin emergency player save\n";	3775	info "emergency_perl_save: begin player save\n";
2342	for my $login (keys %cf::PLAYER) {	3776	for my $login (keys %cf::PLAYER) {
2343	my $pl = $cf::PLAYER{$login} or next;	3777	my $pl = $cf::PLAYER{$login} or next;
2344	$pl->valid or next;	3778	$pl->valid or next;
		3779	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2345	$pl->save;	3780	$pl->save;
2346	}	3781	}
2347	warn "end emergency player save\n";	3782	info "emergency_perl_save: end player save\n";
2348		3783
2349	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";
2350	for my $path (keys %cf::MAP) {	3787	for my $path (keys %cf::MAP) {
2351	my $map = $cf::MAP{$path} or next;	3788	my $map = $cf::MAP{$path} or next;
2352	$map->valid or next;	3789	$map->valid or next;
2353	$map->save;	3790	$map->save;
2354	}	3791	}
2355	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 $DB_ENV;
		3808
		3809	info "emergency_perl_save: starting sync\n";
		3810	IO::AIO::aio_sync sub {
		3811	info "emergency_perl_save: finished sync\n";
		3812	};
		3813
		3814	cf::write_runtime_sync; # external watchdog should not bark
		3815
		3816	trace "emergency_perl_save: flushing outstanding aio requests";
		3817	while (IO::AIO::nreqs || BDB::nreqs) {
		3818	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3819	}
		3820
		3821	cf::write_runtime_sync; # external watchdog should not bark
2356	};	3822	};
2357		3823
2358	warn "leave emergency perl save\n";	3824	info "emergency_perl_save: leave\n";
2359	}	3825	}
2360		3826
		3827	sub post_cleanup {
		3828	my ($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
2361	sub reload() {	3864	sub do_reload_perl() {
2362	# can/must only be called in main	3865	# can/must only be called in main
2363	if ($Coro::current != $Coro::main) {	3866	unless (in_main) {
2364	warn "can only reload from main coroutine";	3867	error "can only reload from main coroutine";
2365	return;	3868	return;
2366	}	3869	}
2367		3870
		3871	return if $RELOAD++;
		3872
		3873	my $t1 = AE::time;
		3874
		3875	while ($RELOAD) {
		3876	cf::get_slot 0.1, -1, "reload_perl";
2368	warn "reloading...";	3877	info "reloading...";
2369		3878
2370	warn "cancelling server ticker";	3879	trace "entering sync_job";
2371	$TICK_WATCHER->cancel;
2372		3880
		3881	cf::sync_job {
2373	cf::emergency_save;	3882	#cf::emergency_save;
2374		3883
2375	eval {
2376	# if anything goes wrong in here, we should simply crash as we already saved
2377
2378	warn "syncing database to disk";
2379	cf::db_sync;
2380
2381	warn "cancelling all WF_AUTOCANCEL watchers";
2382	for (Event::all_watchers) {
2383	$_->cancel if $_->data & WF_AUTOCANCEL;
2384	}
2385
2386	warn "flushing outstanding aio requests";
2387	for (;;) {
2388	IO::AIO::flush;
2389	Coro::cede;
2390	last unless IO::AIO::nreqs;
2391	warn "iterate...";
2392	}
2393
2394	warn "cancelling all extension coros";	3884	trace "cancelling all extension coros";
2395	$_->cancel for values %EXT_CORO;	3885	$_->cancel for values %EXT_CORO;
2396	%EXT_CORO = ();	3886	%EXT_CORO = ();
2397		3887
2398	warn "removing commands";	3888	trace "removing commands";
2399	%COMMAND = ();	3889	%COMMAND = ();
2400		3890
2401	warn "removing ext commands";	3891	trace "removing ext/exti commands";
2402	%EXTCMD = ();	3892	%EXTCMD = ();
		3893	%EXTICMD = ();
2403		3894
2404	warn "unloading/nuking all extensions";	3895	trace "unloading/nuking all extensions";
2405	for my $pkg (@EXTS) {	3896	for my $pkg (@EXTS) {
2406	warn "... unloading $pkg";	3897	trace "... unloading $pkg";
2407		3898
2408	if (my $cb = $pkg->can ("unload")) {	3899	if (my $cb = $pkg->can ("unload")) {
2409	eval {	3900	eval {
2410	$cb->($pkg);	3901	$cb->($pkg);
2411	1	3902	1
2412	} 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;
2413	}	3908	}
2414		3909
2415	warn "... nuking $pkg";
2416	Symbol::delete_package $pkg;
2417	}
2418
2419	warn "unloading all perl modules loaded from $LIBDIR";	3910	trace "unloading all perl modules loaded from $LIBDIR";
2420	while (my ($k, $v) = each %INC) {	3911	while (my ($k, $v) = each %INC) {
2421	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3912	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2422		3913
2423	warn "... unloading $k";	3914	trace "... unloading $k";
2424	delete $INC{$k};	3915	delete $INC{$k};
2425		3916
2426	$k =~ s/\.pm$//;	3917	$k =~ s/\.pm$//;
2427	$k =~ s/\//::/g;	3918	$k =~ s/\//::/g;
2428		3919
2429	if (my $cb = $k->can ("unload_module")) {	3920	if (my $cb = $k->can ("unload_module")) {
2430	$cb->();	3921	$cb->();
		3922	}
		3923
		3924	clear_package $k;
2431	}	3925	}
2432		3926
2433	Symbol::delete_package $k;
2434	}
2435
2436	warn "getting rid of safe::, as good as possible";	3927	trace "getting rid of safe::, as good as possible";
2437	Symbol::delete_package "safe::$_"	3928	clear_package "safe::$_"
2438	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);
2439		3930
2440	warn "unloading cf.pm \"a bit\"";	3931	trace "unloading cf.pm \"a bit\"";
2441	delete $INC{"cf.pm"};	3932	delete $INC{"cf.pm"};
		3933	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2442		3934
2443	# don't, removes xs symbols, too,	3935	# don't, removes xs symbols, too,
2444	# and global variables created in xs	3936	# and global variables created in xs
2445	#Symbol::delete_package __PACKAGE__;	3937	#clear_package __PACKAGE__;
2446		3938
2447	warn "unload completed, starting to reload now";	3939	info "unload completed, starting to reload now";
2448		3940
2449	warn "reloading cf.pm";	3941	trace "reloading cf.pm";
2450	require cf;	3942	require cf;
2451	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3943	cf::_connect_to_perl_1;
2452		3944
2453	warn "loading config and database again";	3945	trace "loading config and database again";
2454	cf::cfg_load;	3946	cf::reload_config;
2455	cf::db_load;
2456		3947
2457	warn "loading extensions";	3948	trace "loading extensions";
2458	cf::load_extensions;	3949	cf::load_extensions;
2459		3950
		3951	if ($REATTACH_ON_RELOAD) {
2460	warn "reattaching attachments to objects/players";	3952	trace "reattaching attachments to objects/players";
2461	_global_reattach;	3953	_global_reattach; # objects, sockets
2462	warn "reattaching attachments to maps";	3954	trace "reattaching attachments to maps";
2463	reattach $_ for values %MAP;	3955	reattach $_ for values %MAP;
		3956	trace "reattaching attachments to players";
		3957	reattach $_ for values %PLAYER;
		3958	}
2464		3959
2465	warn "restarting server ticker";	3960	trace "running post_init jobs";
		3961	(pop @POST_INIT)->(1) while @POST_INIT;
2466		3962
2467	$TICK_WATCHER->start;	3963	trace "leaving sync_job";
		3964
		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	};
2468	};	3992	};
2469		3993	}
2470	if ($@) {
2471	warn $@;
2472	warn "error while reloading, exiting.";
2473	exit 1;
2474	}
2475
2476	warn "reloaded";
2477	};
2478
2479	our $RELOAD_WATCHER; # used only during reload
2480		3994
2481	register_command "reload" => sub {	3995	register_command "reload" => sub {
2482	my ($who, $arg) = @_;	3996	my ($who, $arg) = @_;
2483		3997
2484	if ($who->flag (FLAG_WIZ)) {	3998	if ($who->flag (FLAG_WIZ)) {
2485	$who->message ("reloading server.");	3999	$who->message ("reloading server.");
2486		4000	async {
2487	# doing reload synchronously and two reloads happen back-to-back,	4001	$Coro::current->{desc} = "perl_reload";
2488	# coro crashes during coro_state_free->destroy here.
2489
2490	$RELOAD_WATCHER ||= Event->timer (
2491	reentrant => 0,
2492	after => 0,
2493	data => WF_AUTOCANCEL,
2494	cb => sub {
2495	reload;	4002	reload_perl;
2496	undef $RELOAD_WATCHER;
2497	},
2498	);	4003	};
2499	}	4004	}
2500	};	4005	};
2501		4006
2502	unshift @INC, $LIBDIR;	4007	#############################################################################
2503		4008
2504	my $bug_warning = 0;	4009	my $bug_warning = 0;
2505		4010
2506	$TICK_WATCHER = Event->timer (	4011	our @WAIT_FOR_TICK;
2507	reentrant => 0,	4012	our @WAIT_FOR_TICK_BEGIN;
2508	parked => 1,	4013
2509	prio => 0,	4014	sub wait_for_tick {
2510	at => $NEXT_TICK || $TICK,	4015	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2511	data => WF_AUTOCANCEL,	4016
2512	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 {
2513	if ($Coro::current != $Coro::main) {	4031	if ($Coro::current != $Coro::main) {
2514	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"
2515	unless ++$bug_warning > 10;	4033	unless ++$bug_warning > 10;
2516	return;	4034	return;
2517	}	4035	}
2518		4036
2519	$NOW = Event::time;
2520
2521	cf::server_tick; # one server iteration	4037	cf::server_tick; # one server iteration
2522	$RUNTIME += $TICK;
2523	$NEXT_TICK += $TICK;
2524		4038
2525	$WAIT_FOR_TICK->broadcast;	4039	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2526	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2527		4040
2528	Event::sweep;	4041	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2529	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#
2530		4065	}
2531	# my $AFTER = Event::time;
2532	# warn $AFTER - $NOW;#d#
2533
2534	# if we are delayed by four ticks or more, skip them all
2535	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2536
2537	$TICK_WATCHER->at ($NEXT_TICK);
2538	$TICK_WATCHER->start;
2539	},	4066	}
2540	);	4067	}
2541		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;
2542	IO::AIO::max_poll_time $TICK * 0.1;	4115	IO::AIO::max_poll_time $TICK * 0.1;
		4116	undef $AnyEvent::AIO::WATCHER;
		4117	}
2543		4118
2544	undef $Coro::AIO::WATCHER;	4119	my $_log_backtrace;
2545	$AIO_POLL_WATCHER = Event->io (
2546	reentrant => 0,
2547	fd => IO::AIO::poll_fileno,
2548	poll => 'r',
2549	prio => 6,
2550	data => WF_AUTOCANCEL,
2551	cb => \&IO::AIO::poll_cb,
2552	);
2553		4120
2554	$WRITE_RUNTIME_WATCHER = Event->timer (	4121	sub _log_backtrace {
2555	reentrant => 0,	4122	my ($msg, @addr) = @_;
2556	data => WF_AUTOCANCEL,	4123
2557	after => 1,	4124	$msg =~ s/\n//;
2558	interval => 10,	4125
2559	prio => 6, # keep it lowest so it acts like a watchdog	4126	# limit the # of concurrent backtraces
2560	cb => Coro::unblock_sub {	4127	if ($_log_backtrace < 2) {
2561	write_runtime	4128	++$_log_backtrace;
2562	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] $msg\n";
		4157	LOG llevInfo, "[ABT] [suppressed]\n";
2563	},	4158	}
2564	);	4159	}
		4160
		4161	# load additional modules
		4162	require "cf/$_.pm" for @EXTRA_MODULES;
		4163	cf::_connect_to_perl_2;
2565		4164
2566	END { cf::emergency_save }	4165	END { cf::emergency_save }
2567		4166
2568	1	4167	1
2569		4168

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