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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.214 by root, Wed Feb 14 00:40:05 2007 UTC vs.
Revision 1.543 by root, Wed May 5 23:23:29 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
20	use BDB ();	54	use BDB ();
21	use Data::Dumper;	55	use Data::Dumper;
22	use Digest::MD5;
23	use Fcntl;	56	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
26	use Time::HiRes;	59	use Time::HiRes;
27	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
28		62
		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";
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		75
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		78
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		80
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		82
40	our %COMMAND = ();	83	our %COMMAND = ();
41	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
42		85
43	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
47		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
48	our @EVENT;	93	our @EVENT;
49	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
50		96
51	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	98	our $DATADIR = datadir;
53	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
		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(!)
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	121	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
58		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
59	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
61		130
62	our %CFG;	131	our %CFG;
63		132
64	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
66		136
67	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		140
76	# 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 ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $REALLY_UNLOOP; # never set to true, please :)
		153
79	binmode STDOUT;	154	binmode STDOUT;
80	binmode STDERR;	155	binmode STDERR;
81		156
82	# read virtual server time, if available	157	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
87	}	162	}
88		163
89	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
90	mkdir cf::localdir . "/" . cf::playerdir;	165
91	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
92	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		168
96	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
97		170
98	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::"} };
99		187
100	#############################################################################	188	#############################################################################
101		189
102	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
103		191
…		…
110	=item $cf::RUNTIME	198	=item $cf::RUNTIME
111		199
112	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
113	every server tick.	201	every server tick.
114		202
115	=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
116		206
117	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
118	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.
119		211
120	=item $cf::NOW	212	=item $cf::NOW
121		213
122	The time of the last (current) server tick.	214	The time of the last (current) server tick.
123		215
124	=item $cf::TICK	216	=item $cf::TICK
125		217
126	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
127		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
128	=item %cf::CFG	230	=item %cf::CFG
129		231
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	233	from wherever your confdir points to.
132		234
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		236
135	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
136	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
137	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.
138	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.
139		252
140	=back	253	=back
141		254
142	=cut	255	=cut
143		256
144	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
145	*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 {
146	my $msg = join "", @_;	264	my $msg = join "", @_;
147	utf8::encode $msg;
148		265
149	$msg .= "\n"	266	$msg .= "\n"
150	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
151		268
		269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		270
152	LOG llevError, $msg;	271	LOG llevWarn, $msg;
153	};	272	};
154	}	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	};
155		287
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@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';
161	@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)
162		295
163	# 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
164	# within the Safe compartment.	297	# within the Safe compartment.
165	for my $pkg (qw(	298	for my $pkg (qw(
166	cf::global cf::attachable	299	cf::global cf::attachable
167	cf::object cf::object::player	300	cf::object cf::object::player
168	cf::client cf::player	301	cf::client cf::player
169	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
170	cf::map cf::party cf::region	304	cf::party cf::region
171	)) {	305	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	307	}
175		308
176	$Event::DIED = sub {	309	$EV::DIED = sub {
177	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
178	};	311	};
		312
		313	#############################################################################
179		314
180	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
181		316
182	=over 4	317	=over 4
183		318
…		…
202	$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;
203	$d	338	$d
204	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
205	}	340	}
206		341
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
210		343
211	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
212		345
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
221		347
222	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
223		349
224	=cut	350	=cut
225		351
226	sub to_json($) {	352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	353
228	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;
229	}	369	}
230		370
231	=item cf::lock_wait $string	371	=item cf::lock_wait $string
232		372
233	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
234		374
235	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
236		376
237	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
238	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,
239	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
240	returned.	380	returned.
241		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
242	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
243	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
244		387
245	=cut	388	=item $locked = cf::lock_active $string
246		389
247	our %LOCK;	390	Return true if the lock is currently active, i.e. somebody has locked it.
		391
		392	=cut
		393
		394	our $LOCKS = new Coro::SemaphoreSet;
248		395
249	sub lock_wait($) {	396	sub lock_wait($) {
250	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
251
252	# wait for lock, if any
253	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;
256	}
257	}	398	}
258		399
259	sub lock_acquire($) {	400	sub lock_acquire($) {
260	my ($key) = @_;	401	$LOCKS->guard ($_[0])
		402	}
261		403
262	# wait, to be sure we are not locked	404	sub lock_active($) {
263	lock_wait $key;	405	$LOCKS->count ($_[0]) < 1
264
265	$LOCK{$key} = [];
266
267	Coro::guard {
268	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };
270	}
271	}	406	}
272		407
273	sub freeze_mainloop {	408	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
275		410
276	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
277	$TICK_WATCHER->start;	412	}
		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($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
278	};	478	}
279	$TICK_WATCHER->stop;	479	};
280	$guard	480
		481	sub get_slot($;$$) {
		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	$sig->wait;
281	}	494	}
282		495
283	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
284		497
285	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
290		503
291	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
292		505
293	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
294		507
295	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
298		512
299	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
302	fast or be very important.	516	fast or be very important.
…		…
304	=cut	518	=cut
305		519
306	sub sync_job(&) {	520	sub sync_job(&) {
307	my ($job) = @_;	521	my ($job) = @_;
308		522
309	if ($Coro::current == $Coro::main) {	523	if (in_main) {
		524	my $time = AE::time;
		525
310	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
312		528
313	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
314	# (but this is cancel-safe)	530
315	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
316		532
317	my $busy = 1;	533	my $busy = 1;
318	my @res;	534	my @res;
319		535
320	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	538	@res = eval { $job->() };
322	warn $@ if $@;	539	error $@ if $@;
323	undef $busy;	540	undef $busy;
324	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
325		542
326	while ($busy) {	543	while ($busy) {
327	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
328	}	548	}
		549	}
		550
		551	my $time = AE::time - $time;
		552
		553	$TICK_START += $time; # do not account sync jobs to server load
329		554
330	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
331	} else {	556	} else {
332	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
333		558
…		…
353	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
354		579
355	$coro	580	$coro
356	}	581	}
357		582
358	sub write_runtime {	583	=item fork_call { }, $args
359	my $runtime = cf::localdir . "/runtime";
360		584
361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	585	Executes the given code block with the given arguments in a seperate
362	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.
363		589
364	my $value = $cf::RUNTIME + 90 + 10;	590	=cut
365	# 10 is the runtime save interval, for a monotonic clock
366	# 60 allows for the watchdog to kill the server.
367		591
368	(aio_write $fh, 0, (length $value), $value, 0) <= 0	592	sub fork_call(&@) {
369	and return;	593	my ($cb, @args) = @_;
370		594
371	# always fsync - this file is important	595	# we seemingly have to make a local copy of the whole thing,
372	aio_fsync $fh	596	# otherwise perl prematurely frees the stuff :/
373	and return;	597	# TODO: investigate and fix (likely this will be rather laborious)
374		598
375	close $fh	599	my @res = Coro::Util::fork_eval {
376	or return;	600	reset_signals;
		601	&$cb
		602	}, @args;
377		603
378	aio_rename "$runtime~", $runtime	604	wantarray ? @res : $res[-1]
379	and return;	605	}
380		606
		607	sub objinfo {
381	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 });
382	}	783	}
383		784
384	=back	785	=back
385		786
386	=cut	787	=cut
387		788
388	#############################################################################	789	#############################################################################
389		790
390	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
391		792
392	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
393	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")
394	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
395		796
396	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>
397	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
398	crossfire+).	799	Deliantra).
399		800
400	=over 4	801	=over 4
401		802
402	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
403		804
…		…
447	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
448		849
449	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
450	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
451		852
452	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
453	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.
454		855
455	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
456		857
457	=over 4	858	=over 4
…		…
566	$registry = $CB_TYPE[$object_type] ||= [];	967	$registry = $CB_TYPE[$object_type] ||= [];
567		968
568	} elsif ($type eq "subtype") {	969	} elsif ($type eq "subtype") {
569	defined $object_type or Carp::croak "subtype specified without type";	970	defined $object_type or Carp::croak "subtype specified without type";
570	my $object_subtype = shift @arg;	971	my $object_subtype = shift @arg;
571	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	972	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572		973
573	} elsif ($type eq "package") {	974	} elsif ($type eq "package") {
574	my $pkg = shift @arg;	975	my $pkg = shift @arg;
575		976
576	while (my ($name, $id) = each %cb_id) {	977	while (my ($name, $id) = each %cb_id) {
…		…
581		982
582	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
583	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
584		985
585	} elsif (ref $type) {	986	} elsif (ref $type) {
586	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
587		988
588	} else {	989	} else {
589	shift @arg;	990	shift @arg;
590	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
591	}	992	}
592	}	993	}
593	}	994	}
594		995
595	sub _object_attach {	996	sub _object_attach {
…		…
605	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
606	}	1007	}
607		1008
608	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
609	} else {	1010	} else {
610	warn "object uses attachment '$name' that is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
611	}	1012	}
612		1013
613	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
614	}	1015	}
615		1016
…		…
617	if (ref $_[0]) {	1018	if (ref $_[0]) {
618	_object_attach @_;	1019	_object_attach @_;
619	} else {	1020	} else {
620	_attach shift->_attach_registry, @_;	1021	_attach shift->_attach_registry, @_;
621	}	1022	}
		1023	_recalc_want;
622	};	1024	};
623		1025
624	# all those should be optimised	1026	# all those should be optimised
625	sub cf::attachable::detach {	1027	sub cf::attachable::detach {
626	my ($obj, $name) = @_;	1028	my ($obj, $name) = @_;
…		…
629	delete $obj->{_attachment}{$name};	1031	delete $obj->{_attachment}{$name};
630	reattach ($obj);	1032	reattach ($obj);
631	} else {	1033	} else {
632	Carp::croak "cannot, currently, detach class attachments";	1034	Carp::croak "cannot, currently, detach class attachments";
633	}	1035	}
		1036	_recalc_want;
634	};	1037	};
635		1038
636	sub cf::attachable::attached {	1039	sub cf::attachable::attached {
637	my ($obj, $name) = @_;	1040	my ($obj, $name) = @_;
638		1041
…		…
653	";	1056	";
654	die if $@;	1057	die if $@;
655	}	1058	}
656		1059
657	our $override;	1060	our $override;
658	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?
659		1062
660	sub override {	1063	sub override {
661	$override = 1;	1064	$override = 1;
662	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
663	}	1066	}
664		1067
665	sub do_invoke {	1068	sub do_invoke {
666	my $event = shift;	1069	my $event = shift;
667	my $callbacks = shift;	1070	my $callbacks = shift;
668		1071
669	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
670		1073
671	local $override;	1074	local $override;
672		1075
673	for (@$callbacks) {	1076	for (@$callbacks) {
674	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
675		1078
676	if ($@) {	1079	if ($@) {
677	warn "$@";
678	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
679	override;	1081	override;
680	}	1082	}
681		1083
682	return 1 if $override;	1084	return 1 if $override;
683	}	1085	}
684		1086
685	0	1087	0
686	}	1088	}
687		1089
688	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
689		1091
690	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
691		1093
692	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
693		1095
694	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
695	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
696	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
697		1099
698	=back	1100	=back
699		1101
700	=cut	1102	=cut
701		1103
702	#############################################################################	1104	#############################################################################
703	# 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, $ob2
		1147	}
704		1148
705	sub reattach {	1149	sub reattach {
706	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
707	my ($obj) = @_;	1151	my ($obj) = @_;
708		1152
		1153	# no longer needed after getting rid of delete_package?
709	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
710		1155
711	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
712		1157
713	@$registry = ();	1158	@$registry = ();
714		1159
…		…
719	for (@$attach) {	1164	for (@$attach) {
720	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
721	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
722	}	1167	}
723	} else {	1168	} else {
724	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
725	}	1170	}
726	}	1171	}
727	}	1172	}
728		1173
729	cf::attachable->attach (	1174	cf::attachable->attach (
730	prio => -1000000,	1175	prio => -1000000,
731	on_instantiate => sub {	1176	on_instantiate => sub {
732	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
733		1178
734	$data = from_json $data;	1179	$data = decode_json $data;
735		1180
736	for (@$data) {	1181	for (@$data) {
737	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
738		1183
739	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
755	sub object_freezer_save {	1200	sub object_freezer_save {
756	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
757		1202
758	sync_job {	1203	sync_job {
759	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
760	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
761	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
762		1209
763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
766	aio_fsync $fh if $cf::USE_FSYNC;	1213	if ($cf::USE_FSYNC) {
		1214	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1215	aio_fsync $fh;
		1216	}
767	close $fh;	1217	aio_close $fh;
768		1218
769	if (@$objs) {	1219	if (@$objs) {
770	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) {
771	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
772	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
773	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
774	aio_fsync $fh if $cf::USE_FSYNC;	1224	if ($cf::USE_FSYNC) {
		1225	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1226	aio_fsync $fh;
		1227	}
775	close $fh;	1228	aio_close $fh;
776	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
777	}	1230	}
778	} else {	1231	} else {
779	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
780	}	1233	}
781		1234
782	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
783	} else {	1239	} else {
784	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
785	}	1241	}
786	} else {	1242	} else {
787	aio_unlink $filename;	1243	aio_unlink $filename;
788	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
789	}	1245	}
790
791	#d##TODO# nuke non .map-files if exist
792	if ($filename =~ s/\.map$//) {
793	aio_unlink $filename;
794	aio_unlink "$filename.pst";
795	}
796	}	1246	};
797	}	1247	}
798		1248
799	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
800	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
801		1251
…		…
806		1256
807	sub object_thawer_load {	1257	sub object_thawer_load {
808	my ($filename) = @_;	1258	my ($filename) = @_;
809		1259
810	my ($data, $av);	1260	my ($data, $av);
811
812	#d#TODO remove .map if file does not exist
813	aio_stat $filename and $filename =~ s/\.map$//;
814		1261
815	(aio_load $filename, $data) >= 0	1262	(aio_load $filename, $data) >= 0
816	or return;	1263	or return;
817		1264
818	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
819	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
820	or return;	1267	or return;
		1268
821	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
822	}	1271	}
823		1272
		1273	utf8::decode (my $decname = $filename);
824	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
825	$filename, length $data, scalar @{$av || []};#d#	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
826	return ($data, $av);	1278	($data, $av)
827	}	1279	}
		1280
		1281	=head2 COMMAND CALLBACKS
		1282
		1283	=over 4
		1284
		1285	=cut
828		1286
829	#############################################################################	1287	#############################################################################
830	# command handling &c	1288	# command handling &c
831		1289
832	=item cf::register_command $name => \&callback($ob,$args);	1290	=item cf::register_command $name => \&callback($ob,$args);
…		…
845	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
846	}	1304	}
847		1305
848	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
849		1307
850	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.
851		1313
852	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
853	called.	1315	called.
854		1316
		1317	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1318
		1319	Register a callback for execution when the client sends an (asynchronous)
		1320	exticmd packet. Exti commands are processed by the server as soon as they
		1321	are received, i.e. out of order w.r.t. other commands. The first argument
		1322	is a client socket. Exti commands can be received anytime, even before
		1323	log-in.
		1324
		1325	If the callback returns something, it is sent back as if reply was being
		1326	called.
		1327
855	=cut	1328	=cut
856		1329
857	sub register_extcmd {	1330	sub register_extcmd {
858	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
859		1332
860	$EXTCMD{$name} = $cb;	1333	$EXTCMD{$name} = $cb;
861	}	1334	}
862		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
		1343
863	cf::player->attach (	1344	cf::player->attach (
864	on_command => sub {	1345	on_unknown_command => sub {
865	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
866		1347
867	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
868	or return;	1349	or return;
869		1350
…		…
874	cf::override;	1355	cf::override;
875	},	1356	},
876	on_extcmd => sub {	1357	on_extcmd => sub {
877	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
878		1359
879	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
880		1361
881	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
882	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
883	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
884	$pl->ext_reply ($msg->{msgid}, %reply);
885	}
886	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
887	} else {	1377	} else {
888	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
889	}	1379	}
890		1380
891	cf::override;	1381	cf::override;
892	},	1382	},
893	);	1383	);
894		1384
		1385	# "readahead" all extensions
895	sub load_extension {	1386	sub cache_extensions {
896	my ($path) = @_;	1387	my $grp = IO::AIO::aio_group;
897		1388
898	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
899	my $base = $1;	1390	for (grep /\.ext$/, @{$_[0]}) {
900	my $pkg = $1;	1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
901	$pkg =~ s/[^[:word:]]/_/g;
902	$pkg = "ext::$pkg";
903
904	warn "... loading '$path' into '$pkg'\n";
905
906	open my $fh, "<:utf8", $path
907	or die "$path: $!";
908
909	my $source =
910	"package $pkg; use strict; use utf8;\n"
911	. "#line 1 \"$path\"\n{\n"
912	. (do { local $/; <$fh> })
913	. "\n};\n1";
914
915	unless (eval $source) {
916	my $msg = $@ ? "$path: $@\n"
917	: "extension disabled.\n";
918	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
919	warn $@;
920	warn "mandatory extension failed to load, exiting.\n";
921	exit 1;
922	}	1392	}
923	die $@;
924	}	1393	};
925		1394
926	push @EXTS, $pkg;	1395	$grp
927	}	1396	}
928		1397
929	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
		1401	cf::sync_job {
		1402	my %todo;
		1403
930	for my $ext (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
931	next unless -r $ext;	1405	next unless -r $path;
932	eval {	1406
933	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 $active;
		1469	}
934	1	1470	}
935	} or warn "$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	}
936	}	1481	};
937	}	1482	}
938		1483
939	#############################################################################	1484	#############################################################################
940		1485
		1486	=back
		1487
941	=head2 CORE EXTENSIONS	1488	=head2 CORE EXTENSIONS
942		1489
943	Functions and methods that extend core crossfire objects.	1490	Functions and methods that extend core deliantra objects.
944		1491
945	=cut	1492	=cut
946		1493
947	package cf::player;	1494	package cf::player;
948		1495
…		…
950		1497
951	=head3 cf::player	1498	=head3 cf::player
952		1499
953	=over 4	1500	=over 4
954		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
955	=item cf::player::find $login	1516	=item cf::player::find $login
956		1517
957	Returns the given player object, loading it if necessary (might block).	1518	Returns the given player object, loading it if necessary (might block).
958		1519
959	=cut	1520	=cut
960		1521
961	sub playerdir($) {	1522	sub playerdir($) {
962	cf::localdir	1523	"$PLAYERDIR/"
963	. "/"
964	. cf::playerdir
965	. "/"
966	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1524	. (ref $_[0] ? $_[0]->ob->name : $_[0])
967	}	1525	}
968		1526
969	sub path($) {	1527	sub path($) {
970	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1528	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
971		1529
972	(playerdir $login) . "/$login.pl"	1530	(playerdir $login) . "/playerdata"
973	}	1531	}
974		1532
975	sub find_active($) {	1533	sub find_active($) {
976	$cf::PLAYER{$_[0]}	1534	$cf::PLAYER{$_[0]}
977	and $cf::PLAYER{$_[0]}->active	1535	and $cf::PLAYER{$_[0]}->active
…		…
980		1538
981	sub exists($) {	1539	sub exists($) {
982	my ($login) = @_;	1540	my ($login) = @_;
983		1541
984	$cf::PLAYER{$login}	1542	$cf::PLAYER{$login}
985	or cf::sync_job { !aio_stat path $login }	1543	or !aio_stat path $login
986	}	1544	}
987		1545
988	sub find($) {	1546	sub find($) {
989	return $cf::PLAYER{$_[0]} || do {	1547	return $cf::PLAYER{$_[0]} || do {
990	my $login = $_[0];	1548	my $login = $_[0];
991		1549
992	my $guard = cf::lock_acquire "user_find:$login";	1550	my $guard = cf::lock_acquire "user_find:$login";
993		1551
994	$cf::PLAYER{$_[0]} || do {	1552	$cf::PLAYER{$_[0]} || do {
995	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
996	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;
997	$cf::PLAYER{$login} = $pl	1568	$cf::PLAYER{$login} = $pl
998	}	1569	}
999	}	1570	}
1000	}	1571	}
		1572
		1573	cf::player->attach (
		1574	on_load => sub {
		1575	my ($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	);
1001		1585
1002	sub save($) {	1586	sub save($) {
1003	my ($pl) = @_;	1587	my ($pl) = @_;
1004		1588
1005	return if $pl->{deny_save};	1589	return if $pl->{deny_save};
…		…
1010	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
1011		1595
1012	aio_mkdir playerdir $pl, 0770;	1596	aio_mkdir playerdir $pl, 0770;
1013	$pl->{last_save} = $cf::RUNTIME;	1597	$pl->{last_save} = $cf::RUNTIME;
1014		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
1015	$pl->save_pl ($path);	1604	$pl->save_pl ($path);
1016	Coro::cede;	1605	cf::cede_to_tick;
1017	}	1606	}
1018		1607
1019	sub new($) {	1608	sub new($) {
1020	my ($login) = @_;	1609	my ($login) = @_;
1021		1610
…		…
1027	$cf::PLAYER{$login} = $self;	1616	$cf::PLAYER{$login} = $self;
1028		1617
1029	$self	1618	$self
1030	}	1619	}
1031		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
1032	=item $pl->quit_character	1631	=item $pl->quit_character
1033		1632
1034	Nukes the player without looking back. If logged in, the connection will	1633	Nukes the player without looking back. If logged in, the connection will
1035	be destroyed. May block for a long time.	1634	be destroyed. May block for a long time.
1036		1635
1037	=cut	1636	=cut
1038		1637
1039	sub quit_character {	1638	sub quit_character {
1040	my ($pl) = @_;	1639	my ($pl) = @_;
1041		1640
		1641	my $name = $pl->ob->name;
		1642
1042	$pl->{deny_save} = 1;	1643	$pl->{deny_save} = 1;
1043	$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
1044		1645
1045	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1646	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1046	$pl->deactivate;	1647	$pl->deactivate;
		1648	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1047	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1649	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1048	$pl->ns->destroy if $pl->ns;	1650	$pl->ns->destroy if $pl->ns;
1049		1651
1050	my $path = playerdir $pl;	1652	my $path = playerdir $pl;
1051	my $temp = "$path~$cf::RUNTIME~deleting~";	1653	my $temp = "$path~$cf::RUNTIME~deleting~";
1052	aio_rename $path, $temp;	1654	aio_rename $path, $temp;
1053	delete $cf::PLAYER{$pl->ob->name};	1655	delete $cf::PLAYER{$pl->ob->name};
1054	$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
1055	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;
1056	}	1678	}
1057		1679
1058	=item cf::player::list_logins	1680	=item cf::player::list_logins
1059		1681
1060	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
1061	while and may block, so not sync_job-capable, ever.	1683	while and may block, so not sync_job-capable, ever.
1062		1684
1063	=cut	1685	=cut
1064		1686
1065	sub list_logins {	1687	sub list_logins {
1066	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1688	my $dirs = aio_readdir $PLAYERDIR
1067	or return [];	1689	or return [];
1068		1690
1069	my @logins;	1691	my @logins;
1070		1692
1071	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") {
1072	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1699	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1073	aio_read $fh, 0, 512, my $buf, 0 or next;	1700	aio_read $fh, 0, 512, my $buf, 0 or next;
1074	$buf !~ /^password -------------$/m or next; # official not-valid tag	1701	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1702	}
1075		1703
1076	utf8::decode $login;	1704	utf8::decode $login;
1077	push @logins, $login;	1705	push @logins, $login;
1078	}	1706	}
1079		1707
1080	\@logins	1708	\@logins
1081	}	1709	}
1082		1710
1083	=item $player->maps	1711	=item $player->maps
		1712
		1713	=item cf::player::maps $login
1084		1714
1085	Returns an arrayref of map paths that are private for this	1715	Returns an arrayref of map paths that are private for this
1086	player. May block.	1716	player. May block.
1087		1717
1088	=cut	1718	=cut
…		…
1106	}	1736	}
1107		1737
1108	\@paths	1738	\@paths
1109	}	1739	}
1110		1740
		1741	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1742
		1743	Expand deliantra pod fragments into protocol xml.
		1744
1111	=item $player->ext_reply ($msgid, $msgtype, %msg)	1745	=item $player->ext_reply ($msgid, @msg)
1112		1746
1113	Sends an ext reply to the player.	1747	Sends an ext reply to the player.
1114		1748
1115	=cut	1749	=cut
1116		1750
1117	sub ext_reply($$$%) {	1751	sub ext_reply($$@) {
1118	my ($self, $id, %msg) = @_;	1752	my ($self, $id, @msg) = @_;
1119		1753
1120	$msg{msgid} = $id;	1754	$self->ns->ext_reply ($id, @msg)
1121
1122	$self->send ("ext " . cf::to_json \%msg);
1123	}	1755	}
1124		1756
1125	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	}
1126		1799
1127	=back	1800	=back
1128
1129		1801
1130	=head3 cf::map	1802	=head3 cf::map
1131		1803
1132	=over 4	1804	=over 4
1133		1805
…		…
1145	our $MAX_RESET = 3600;	1817	our $MAX_RESET = 3600;
1146	our $DEFAULT_RESET = 3000;	1818	our $DEFAULT_RESET = 3000;
1147		1819
1148	sub generate_random_map {	1820	sub generate_random_map {
1149	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
1150	# mit "rum" bekleckern, nicht	1825	# mit "rum" bekleckern, nicht
1151	$self->_create_random_map (	1826	$self->_create_random_map (
1152	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1827	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1153	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1828	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1154	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1829	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1155	$rmp->{exit_on_final_map},	1830	$rmp->{exit_on_final_map},
1156	$rmp->{xsize}, $rmp->{ysize},	1831	$rmp->{xsize}, $rmp->{ysize},
1157	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1832	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1158	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1833	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1173		1848
1174	sub register {	1849	sub register {
1175	my (undef, $regex, $prio) = @_;	1850	my (undef, $regex, $prio) = @_;
1176	my $pkg = caller;	1851	my $pkg = caller;
1177		1852
1178	no strict;
1179	push @{"$pkg\::ISA"}, __PACKAGE__;	1853	push @{"$pkg\::ISA"}, __PACKAGE__;
1180		1854
1181	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1855	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1182	}	1856	}
1183		1857
1184	# also paths starting with '/'	1858	# also paths starting with '/'
1185	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1859	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1186		1860
1187	sub thawer_merge {	1861	sub thawer_merge {
1188	my ($self, $merge) = @_;	1862	my ($self, $merge) = @_;
1189		1863
1190	# we have to keep some variables in memory intact	1864	# we have to keep some variables in memory intact
1191	local $self->{path};	1865	local $self->{path};
1192	local $self->{load_path};	1866	local $self->{load_path};
1193	local $self->{deny_save};
1194	local $self->{deny_reset};
1195		1867
1196	$self->SUPER::thawer_merge ($merge);	1868	$self->SUPER::thawer_merge ($merge);
1197	}	1869	}
1198		1870
1199	sub normalise {	1871	sub normalise {
1200	my ($path, $base) = @_;	1872	my ($path, $base) = @_;
1201		1873
1202	$path = "$path"; # make sure its a string	1874	$path = "$path"; # make sure it's a string
1203		1875
1204	$path =~ s/\.map$//;	1876	$path =~ s/\.map$//;
1205		1877
1206	# map plan:	1878	# map plan:
1207	#	1879	#
…		…
1246	$self->init; # pass $1 etc.	1918	$self->init; # pass $1 etc.
1247	return $self;	1919	return $self;
1248	}	1920	}
1249	}	1921	}
1250		1922
1251	Carp::carp "unable to resolve path '$path' (base '$base').";	1923	Carp::cluck "unable to resolve path '$path' (base '$base')";
1252	()	1924	()
1253	}	1925	}
1254		1926
1255	sub init {	1927	sub init {
1256	my ($self) = @_;	1928	my ($self) = @_;
…		…
1271		1943
1272	# the original (read-only) location	1944	# the original (read-only) location
1273	sub load_path {	1945	sub load_path {
1274	my ($self) = @_;	1946	my ($self) = @_;
1275		1947
1276	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1948	"$MAPDIR/$self->{path}.map"
1277	}	1949	}
1278		1950
1279	# the temporary/swap location	1951	# the temporary/swap location
1280	sub save_path {	1952	sub save_path {
1281	my ($self) = @_;	1953	my ($self) = @_;
1282		1954
1283	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1955	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1284	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1956	"$TMPDIR/$path.map"
1285	}	1957	}
1286		1958
1287	# the unique path, undef == no special unique path	1959	# the unique path, undef == no special unique path
1288	sub uniq_path {	1960	sub uniq_path {
1289	my ($self) = @_;	1961	my ($self) = @_;
1290		1962
1291	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1963	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1292	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1964	"$UNIQUEDIR/$path"
1293	}	1965	}
1294		1966
1295	# and all this just because we cannot iterate over	1967	sub decay_objects {
1296	# all maps in C++...
1297	sub change_all_map_light {
1298	my ($change) = @_;	1968	my ($self) = @_;
1299		1969
1300	$_->change_map_light ($change)	1970	return if $self->{deny_reset};
1301	for grep $_->outdoor, values %cf::MAP;	1971
		1972	$self->do_decay_objects;
1302	}	1973	}
1303		1974
1304	sub unlink_save {	1975	sub unlink_save {
1305	my ($self) = @_;	1976	my ($self) = @_;
1306		1977
1307	utf8::encode (my $save = $self->save_path);	1978	utf8::encode (my $save = $self->save_path);
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1979	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1309	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1980	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1310
1311	#d#TODO remove .map and also nuke
1312	$save =~ s/\.map// or return;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1314	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1315	}	1981	}
1316		1982
1317	sub load_header_from($) {	1983	sub load_header_from($) {
1318	my ($self, $path) = @_;	1984	my ($self, $path) = @_;
1319		1985
1320	utf8::encode $path;	1986	utf8::encode $path;
1321	#aio_open $path, O_RDONLY, 0	1987	my $f = new_from_file cf::object::thawer $path
1322	# or return;
1323
1324	$self->_load_header ($path)
1325	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;
1326		1995
1327	$self->{load_path} = $path;	1996	$self->{load_path} = $path;
1328		1997
1329	1	1998	1
1330	}	1999	}
…		…
1369	$self->load_header_orig	2038	$self->load_header_orig
1370	or return;	2039	or return;
1371	$self->prepare_orig;	2040	$self->prepare_orig;
1372	}	2041	}
1373		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
1374	1	2049	1
1375	}	2050	}
1376		2051
1377	sub find;	2052	sub find;
1378	sub find {	2053	sub find {
1379	my ($path, $origin) = @_;	2054	my ($path, $origin) = @_;
1380		2055
		2056	cf::cede_to_tick;
		2057
1381	$path = normalise $path, $origin && $origin->path;	2058	$path = normalise $path, $origin && $origin->path;
1382		2059
		2060	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1383	cf::lock_wait "map_find:$path";	2061	my $guard2 = cf::lock_acquire "map_find:$path";
1384		2062
1385	$cf::MAP{$path} || do {	2063	$cf::MAP{$path} || do {
1386	my $guard = cf::lock_acquire "map_find:$path";
1387	my $map = new_from_path cf::map $path	2064	my $map = new_from_path cf::map $path
1388	or return;	2065	or return;
1389		2066
1390	$map->{last_save} = $cf::RUNTIME;	2067	$map->{last_save} = $cf::RUNTIME;
1391		2068
1392	$map->load_header	2069	$map->load_header
1393	or return;	2070	or return;
1394		2071
1395	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2072	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1396	# doing this can freeze the server in a sync job, obviously	2073	# doing this can freeze the server in a sync job, obviously
1397	#$cf::WAIT_FOR_TICK->wait;	2074	#$cf::WAIT_FOR_TICK->wait;
		2075	undef $guard2;
		2076	undef $guard1;
1398	$map->reset;	2077	$map->reset;
1399	undef $guard;
1400	return find $path;	2078	return find $path;
1401	}	2079	}
1402		2080
1403	$cf::MAP{$path} = $map	2081	$cf::MAP{$path} = $map
1404	}	2082	}
1405	}	2083	}
1406		2084
1407	sub pre_load { }	2085	sub pre_load { }
1408	sub post_load { }	2086	#sub post_load { } # XS
1409		2087
1410	sub load {	2088	sub load {
1411	my ($self) = @_;	2089	my ($self) = @_;
1412		2090
1413	local $self->{deny_reset} = 1; # loading can take a long time	2091	local $self->{deny_reset} = 1; # loading can take a long time
1414		2092
1415	my $path = $self->{path};	2093	my $path = $self->{path};
		2094
		2095	{
1416	my $guard = cf::lock_acquire "map_load:$path";	2096	my $guard = cf::lock_acquire "map_data:$path";
1417		2097
		2098	return unless $self->valid;
1418	return if $self->in_memory != cf::MAP_SWAPPED;	2099	return unless $self->in_memory == cf::MAP_SWAPPED;
1419		2100
1420	$self->in_memory (cf::MAP_LOADING);	2101	$self->in_memory (cf::MAP_LOADING);
1421		2102
1422	$self->alloc;	2103	$self->alloc;
1423		2104
1424	$self->pre_load;	2105	$self->pre_load;
		2106	cf::cede_to_tick;
1425		2107
1426	$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)
1427	or return;	2111	or return;
1428		2112
1429	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2113	$self->post_load_original
1430	if delete $self->{load_original};	2114	if delete $self->{load_original};
1431		2115
1432	if (my $uniq = $self->uniq_path) {	2116	if (my $uniq = $self->uniq_path) {
1433	utf8::encode $uniq;	2117	utf8::encode $uniq;
1434	if (aio_open $uniq, O_RDONLY, 0) {	2118	unless (aio_stat $uniq) {
		2119	if (my $f = new_from_file cf::object::thawer $uniq) {
1435	$self->clear_unique_items;	2120	$self->clear_unique_items;
1436	$self->_load_objects ($uniq, 0);	2121	$self->_load_objects ($f);
		2122	$f->resolve_delayed_derefs;
		2123	}
1437	}	2124	}
1438	}	2125	}
1439		2126
1440	Coro::cede;	2127	$f->resolve_delayed_derefs;
1441		2128
		2129	cf::cede_to_tick;
1442	# now do the right thing for maps	2130	# now do the right thing for maps
1443	$self->link_multipart_objects;	2131	$self->link_multipart_objects;
1444
1445	unless ($self->{deny_activate}) {
1446	$self->decay_objects;
1447	$self->fix_auto_apply;
1448	$self->update_buttons;
1449	Coro::cede;
1450	$self->set_darkness_map;
1451	$self->difficulty ($self->estimate_difficulty)	2132	$self->difficulty ($self->estimate_difficulty)
1452	unless $self->difficulty;	2133	unless $self->difficulty;
1453	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;
1454	$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);
1455	}	2148	}
1456		2149
1457	$self->post_load;	2150	$self->post_load;
1458
1459	$self->in_memory (cf::MAP_IN_MEMORY);
1460	}	2151	}
1461		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
1462	sub customise_for {	2156	sub customise_for {
1463	my ($self, $ob) = @_;	2157	my ($self, $ob) = @_;
1464		2158
1465	return find "~" . $ob->name . "/" . $self->{path}	2159	return find "~" . $ob->name . "/" . $self->{path}
1466	if $self->per_player;	2160	if $self->per_player;
1467		2161
		2162	# return find "?party/" . $ob->name . "/" . $self->{path}
		2163	# if $self->per_party;
		2164
1468	$self	2165	$self
1469	}	2166	}
1470		2167
1471	# 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
1472	sub load_diag {	2169	sub load_neighbours {
1473	my ($map) = @_;	2170	my ($map) = @_;
1474		2171
1475	my @diag; # diagonal neighbours	2172	my @neigh; # diagonal neighbours
1476		2173
1477	for (0 .. 3) {	2174	for (0 .. 3) {
1478	my $neigh = $map->tile_path ($_)	2175	my $neigh = $map->tile_path ($_)
1479	or next;	2176	or next;
1480	$neigh = find $neigh, $map	2177	$neigh = find $neigh, $map
1481	or next;	2178	or next;
1482	$neigh->load;	2179	$neigh->load;
1483		2180
		2181	# now find the diagonal neighbours
		2182	push @neigh,
1484	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2183	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1485	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2184	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1486	}	2185	}
1487		2186
1488	for (@diag) {	2187	for (grep defined $_->[0], @neigh) {
		2188	my ($path, $origin) = @$_;
1489	my $neigh = find @$_	2189	my $neigh = find $path, $origin
1490	or next;	2190	or next;
1491	$neigh->load;	2191	$neigh->load;
1492	}	2192	}
1493	}	2193	}
1494		2194
1495	sub find_sync {	2195	sub find_sync {
1496	my ($path, $origin) = @_;	2196	my ($path, $origin) = @_;
1497		2197
1498	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
1499	}	2202	}
1500		2203
1501	sub do_load_sync {	2204	sub do_load_sync {
1502	my ($map) = @_;	2205	my ($map) = @_;
1503		2206
1504	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;
1505	}	2211	}
1506		2212
1507	our %MAP_PREFETCH;	2213	our %MAP_PREFETCH;
1508	our $MAP_PREFETCHER = undef;	2214	our $MAP_PREFETCHER = undef;
1509		2215
1510	sub find_async {	2216	sub find_async {
1511	my ($path, $origin) = @_;	2217	my ($path, $origin, $load) = @_;
1512		2218
1513	$path = normalise $path, $origin && $origin->{path};	2219	$path = normalise $path, $origin && $origin->{path};
1514		2220
1515	if (my $map = $cf::MAP{$path}) {	2221	if (my $map = $cf::MAP{$path}) {
1516	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2222	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1517	}	2223	}
1518		2224
1519	undef $MAP_PREFETCH{$path};	2225	$MAP_PREFETCH{$path} |= $load;
		2226
1520	$MAP_PREFETCHER ||= cf::async {	2227	$MAP_PREFETCHER ||= cf::async {
		2228	$Coro::current->{desc} = "map prefetcher";
		2229
1521	while (%MAP_PREFETCH) {	2230	while (%MAP_PREFETCH) {
1522	for my $path (keys %MAP_PREFETCH) {	2231	while (my ($k, $v) = each %MAP_PREFETCH) {
1523	my $map = find $path	2232	if (my $map = find $k) {
1524	or next;
1525	$map->load;	2233	$map->load if $v;
		2234	}
1526		2235
1527	delete $MAP_PREFETCH{$path};	2236	delete $MAP_PREFETCH{$k};
1528	}	2237	}
1529	}	2238	}
1530	undef $MAP_PREFETCHER;	2239	undef $MAP_PREFETCHER;
1531	};	2240	};
1532	$MAP_PREFETCHER->prio (6);	2241	$MAP_PREFETCHER->prio (6);
1533		2242
1534	()	2243	()
1535	}	2244	}
1536		2245
		2246	# common code, used by both ->save and ->swapout
1537	sub save {	2247	sub _save {
1538	my ($self) = @_;	2248	my ($self) = @_;
1539
1540	my $lock = cf::lock_acquire "map_data:" . $self->path;
1541		2249
1542	$self->{last_save} = $cf::RUNTIME;	2250	$self->{last_save} = $cf::RUNTIME;
1543		2251
1544	return unless $self->dirty;	2252	return unless $self->dirty;
1545		2253
…		…
1551	return if $self->{deny_save};	2259	return if $self->{deny_save};
1552		2260
1553	local $self->{last_access} = $self->last_access;#d#	2261	local $self->{last_access} = $self->last_access;#d#
1554		2262
1555	cf::async {	2263	cf::async {
		2264	$Coro::current->{desc} = "map player save";
1556	$_->contr->save for $self->players;	2265	$_->contr->save for $self->players;
1557	};	2266	};
		2267
		2268	cf::get_slot 0.02;
1558		2269
1559	if ($uniq) {	2270	if ($uniq) {
1560	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2271	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1561	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2272	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1562	} else {	2273	} else {
1563	$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);
1564	}	2275	}
1565	}	2276	}
1566		2277
		2278	sub save {
		2279	my ($self) = @_;
		2280
		2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2282
		2283	$self->_save;
		2284	}
		2285
1567	sub swap_out {	2286	sub swap_out {
1568	my ($self) = @_;	2287	my ($self) = @_;
1569		2288
1570	# save first because save cedes
1571	$self->save;
1572
1573	my $lock = cf::lock_acquire "map_data:" . $self->path;	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
1574		2290
		2291	return if $self->in_memory != cf::MAP_ACTIVE;
		2292	return if $self->{deny_save};
1575	return if $self->players;	2293	return if $self->players;
1576	return if $self->in_memory != cf::MAP_IN_MEMORY;
1577	return if $self->{deny_save};
1578		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
1579	$self->clear;	2304	$self->clear;
1580	$self->in_memory (cf::MAP_SWAPPED);
1581	}	2305	}
1582		2306
1583	sub reset_at {	2307	sub reset_at {
1584	my ($self) = @_;	2308	my ($self) = @_;
1585		2309
1586	# TODO: safety, remove and allow resettable per-player maps	2310	# TODO: safety, remove and allow resettable per-player maps
1587	return 1e99 if $self->isa ("ext::map_per_player");#d#
1588	return 1e99 if $self->{deny_reset};	2311	return 1e99 if $self->{deny_reset};
1589		2312
1590	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2313	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1591	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;
1592		2315
…		…
1603	my ($self) = @_;	2326	my ($self) = @_;
1604		2327
1605	my $lock = cf::lock_acquire "map_data:$self->{path}";	2328	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2329
1607	return if $self->players;	2330	return if $self->players;
1608	return if $self->isa ("ext::map_per_player");#d#
1609		2331
1610	warn "resetting map ", $self->path;#d#	2332	cf::trace "resetting map ", $self->path, "\n";
1611		2333
1612	$self->in_memory (cf::MAP_SWAPPED);	2334	$self->in_memory (cf::MAP_SWAPPED);
1613		2335
1614	# need to save uniques path	2336	# need to save uniques path
1615	unless ($self->{deny_save}) {	2337	unless ($self->{deny_save}) {
…		…
1619	if $uniq;	2341	if $uniq;
1620	}	2342	}
1621		2343
1622	delete $cf::MAP{$self->path};	2344	delete $cf::MAP{$self->path};
1623		2345
		2346	$self->deactivate;
		2347	$_->clear_links_to ($self) for values %cf::MAP;
1624	$self->clear;	2348	$self->clear;
1625
1626	$_->clear_links_to ($self) for values %cf::MAP;
1627		2349
1628	$self->unlink_save;	2350	$self->unlink_save;
1629	$self->destroy;	2351	$self->destroy;
1630	}	2352	}
1631		2353
1632	my $nuke_counter = "aaaa";	2354	my $nuke_counter = "aaaa";
1633		2355
1634	sub nuke {	2356	sub nuke {
1635	my ($self) = @_;	2357	my ($self) = @_;
1636		2358
		2359	{
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
1637	delete $cf::MAP{$self->path};	2362	delete $cf::MAP{$self->path};
1638		2363
1639	$self->unlink_save;	2364	$self->unlink_save;
1640		2365
1641	bless $self, "cf::map";	2366	bless $self, "cf::map::wrap";
1642	delete $self->{deny_reset};	2367	delete $self->{deny_reset};
1643	$self->{deny_save} = 1;	2368	$self->{deny_save} = 1;
1644	$self->reset_timeout (1);	2369	$self->reset_timeout (1);
1645	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2370	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1646		2371
1647	$cf::MAP{$self->path} = $self;	2372	$cf::MAP{$self->path} = $self;
		2373	}
1648		2374
1649	$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	]
1650	}	2412	}
1651		2413
1652	=item cf::map::unique_maps	2414	=item cf::map::unique_maps
1653		2415
1654	Returns an arrayref of paths of all shared maps that have	2416	Returns an arrayref of paths of all shared maps that have
1655	instantiated unique items. May block.	2417	instantiated unique items. May block.
1656		2418
1657	=cut	2419	=cut
1658		2420
1659	sub unique_maps() {	2421	sub unique_maps() {
1660	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2422	[
1661	or return;	2423	map {
1662
1663	my @paths;
1664
1665	for (@$files) {
1666	utf8::decode $_;	2424	utf8::decode $_;
1667	next if /\.pst$/;	2425	s/\.map$//; # TODO future compatibility hack
1668	next unless /^$PATH_SEP/o;	2426	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1669		2427	? ()
1670	push @paths, cf::map::normalise $_;	2428	: normalise $_
		2429	} @{ aio_readdir $UNIQUEDIR or [] }
1671	}	2430	]
1672
1673	\@paths
1674	}	2431	}
1675		2432
1676	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	}
1677		2464
1678	=back	2465	=back
1679		2466
1680	=head3 cf::object	2467	=head3 cf::object
1681		2468
…		…
1685		2472
1686	=over 4	2473	=over 4
1687		2474
1688	=item $ob->inv_recursive	2475	=item $ob->inv_recursive
1689		2476
1690	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.
1691		2479
1692	=cut	2480	=cut
1693		2481
1694	sub inv_recursive_;	2482	sub inv_recursive_;
1695	sub inv_recursive_ {	2483	sub inv_recursive_ {
…		…
1698		2486
1699	sub inv_recursive {	2487	sub inv_recursive {
1700	inv_recursive_ inv $_[0]	2488	inv_recursive_ inv $_[0]
1701	}	2489	}
1702		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
1703	package cf;	2519	package cf;
1704		2520
1705	=back	2521	=back
1706		2522
1707	=head3 cf::object::player	2523	=head3 cf::object::player
…		…
1713	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>
1714	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
1715	dialogue with the given NPC character.	2531	dialogue with the given NPC character.
1716		2532
1717	=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	};
1718		2548
1719	# rough implementation of a future "reply" method that works	2549	# rough implementation of a future "reply" method that works
1720	# with dialog boxes.	2550	# with dialog boxes.
1721	#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
1722	sub cf::object::player::reply($$$;$) {	2552	sub cf::object::player::reply($$$;$) {
…		…
1724		2554
1725	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2555	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1726		2556
1727	if ($self->{record_replies}) {	2557	if ($self->{record_replies}) {
1728	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2558	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2559
1729	} 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 {
1730	$msg = $npc->name . " says: $msg" if $npc;	2568	$msg = $npc->name . " says: $msg" if $npc;
1731	$self->message ($msg, $flags);	2569	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2570	}
1732	}	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 (@_);
1733	}	2582	}
1734		2583
1735	=item $player_object->may ("access")	2584	=item $player_object->may ("access")
1736		2585
1737	Returns wether the given player is authorized to access resource "access"	2586	Returns wether the given player is authorized to access resource "access"
…		…
1750		2599
1751	=item $player_object->enter_link	2600	=item $player_object->enter_link
1752		2601
1753	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}>).
1754		2603
1755	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.
1756	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.
1757		2608
1758	Will never block.	2609	Will never block.
1759		2610
1760	=item $player_object->leave_link ($map, $x, $y)	2611	=item $player_object->leave_link ($map, $x, $y)
1761		2612
…		…
1781	sub cf::object::player::enter_link {	2632	sub cf::object::player::enter_link {
1782	my ($self) = @_;	2633	my ($self) = @_;
1783		2634
1784	$self->deactivate_recursive;	2635	$self->deactivate_recursive;
1785		2636
		2637	++$self->{_link_recursion};
		2638
1786	return if UNIVERSAL::isa $self->map, "ext::map_link";	2639	return if UNIVERSAL::isa $self->map, "ext::map_link";
1787		2640
1788	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2641	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1789	if $self->map;	2642	if $self->map && $self->map->{path} ne "{link}";
1790		2643
1791	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2644	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1792	}	2645	}
1793		2646
1794	sub cf::object::player::leave_link {	2647	sub cf::object::player::leave_link {
1795	my ($self, $map, $x, $y) = @_;	2648	my ($self, $map, $x, $y) = @_;
		2649
		2650	return unless $self->contr->active;
1796		2651
1797	my $link_pos = delete $self->{_link_pos};	2652	my $link_pos = delete $self->{_link_pos};
1798		2653
1799	unless ($map) {	2654	unless ($map) {
1800	# restore original map position	2655	# restore original map position
…		…
1811	($x, $y) = (-1, -1)	2666	($x, $y) = (-1, -1)
1812	unless (defined $x) && (defined $y);	2667	unless (defined $x) && (defined $y);
1813		2668
1814	# use -1 or undef as default coordinates, not 0, 0	2669	# use -1 or undef as default coordinates, not 0, 0
1815	($x, $y) = ($map->enter_x, $map->enter_y)	2670	($x, $y) = ($map->enter_x, $map->enter_y)
1816	if $x <=0 && $y <= 0;	2671	if $x <= 0 && $y <= 0;
1817		2672
1818	$map->load;	2673	$map->load;
1819	$map->load_diag;	2674	$map->load_neighbours;
1820		2675
1821	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
1822	$self->activate_recursive;	2683	$self->activate_recursive;
1823	$self->enter_map ($map, $x, $y);
1824	}
1825
1826	cf::player->attach (
1827	on_logout => sub {
1828	my ($pl) = @_;
1829
1830	# abort map switching before logout
1831	if ($pl->ob->{_link_pos}) {
1832	cf::sync_job {
1833	$pl->ob->leave_link
1834	};
1835	}
1836	},	2684	}
1837	on_login => sub {
1838	my ($pl) = @_;
1839		2685
1840	# try to abort aborted map switching on player login :)	2686	}
1841	# should happen only on crashes
1842	if ($pl->ob->{_link_pos}) {
1843	$pl->ob->enter_link;
1844	(async {
1845	# we need this sleep as the login has a concurrent enter_exit running
1846	# and this sleep increases chances of the player not ending up in scorn
1847	$pl->ob->reply (undef,
1848	"There was an internal problem at your last logout, "
1849	. "the server will try to bring you to your intended destination in a second.",
1850	cf::NDI_RED);
1851	Coro::Timer::sleep 1;
1852	$pl->ob->leave_link;
1853	})->prio (2);
1854	}
1855	},
1856	);
1857		2687
1858	=item $player_object->goto ($path, $x, $y)	2688	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1859		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
1860	=cut	2699	=cut
		2700
		2701	our $GOTOGEN;
1861		2702
1862	sub cf::object::player::goto {	2703	sub cf::object::player::goto {
1863	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;
1864		2714
1865	$self->enter_link;	2715	$self->enter_link;
1866		2716
1867	(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
1868	my $map = eval {	2739	my $map = eval {
1869	my $map = cf::map::find $path;	2740	my $map = defined $path ? cf::map::find $path : undef;
		2741
		2742	if ($map) {
1870	$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
1871	$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 $@;
1872	} or	2755	}
1873	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1874		2756
		2757	if ($gen == $self->{_goto_generation}) {
		2758	delete $self->{_goto_generation};
1875	$self->leave_link ($map, $x, $y);	2759	$self->leave_link ($map, $x, $y);
		2760	}
		2761
		2762	$done->($self) if $done;
1876	})->prio (1);	2763	})->prio (1);
1877	}	2764	}
1878		2765
1879	=item $player_object->enter_exit ($exit_object)	2766	=item $player_object->enter_exit ($exit_object)
1880		2767
…		…
1900	}	2787	}
1901		2788
1902	sub prepare_random_map {	2789	sub prepare_random_map {
1903	my ($exit) = @_;	2790	my ($exit) = @_;
1904		2791
1905	my $guard = cf::lock_acquire "exit_prepare:$exit";
1906
1907	# all this does is basically replace the /! path by	2792	# all this does is basically replace the /! path by
1908	# a new random map path (?random/...) with a seed	2793	# a new random map path (?random/...) with a seed
1909	# that depends on the exit object	2794	# that depends on the exit object
1910		2795
1911	my $rmp = parse_random_map_params $exit->msg;	2796	my $rmp = parse_random_map_params $exit->msg;
…		…
1913	if ($exit->map) {	2798	if ($exit->map) {
1914	$rmp->{region} = $exit->region->name;	2799	$rmp->{region} = $exit->region->name;
1915	$rmp->{origin_map} = $exit->map->path;	2800	$rmp->{origin_map} = $exit->map->path;
1916	$rmp->{origin_x} = $exit->x;	2801	$rmp->{origin_x} = $exit->x;
1917	$rmp->{origin_y} = $exit->y;	2802	$rmp->{origin_y} = $exit->y;
		2803
		2804	$exit->map->touch;
1918	}	2805	}
1919		2806
1920	$rmp->{random_seed} ||= $exit->random_seed;	2807	$rmp->{random_seed} ||= $exit->random_seed;
1921		2808
1922	my $data = cf::to_json $rmp;	2809	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1923	my $md5 = Digest::MD5::md5_hex $data;	2810	my $md5 = Digest::MD5::md5_hex $data;
1924	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2811	my $meta = "$RANDOMDIR/$md5.meta";
1925		2812
1926	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2813	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1927	aio_write $fh, 0, (length $data), $data, 0;	2814	aio_write $fh, 0, (length $data), $data, 0;
1928	undef $fh;	2815	undef $fh;
1929	aio_rename "$meta~", $meta;	2816	aio_rename "$meta~", $meta;
1930		2817
		2818	my $slaying = "?random/$md5";
		2819
		2820	if ($exit->valid) {
1931	$exit->slaying ("?random/$md5");	2821	$exit->slaying ("?random/$md5");
1932	$exit->msg (undef);	2822	$exit->msg (undef);
		2823	}
1933	}	2824	}
1934	}	2825	}
1935		2826
1936	sub cf::object::player::enter_exit {	2827	sub cf::object::player::enter_exit {
1937	my ($self, $exit) = @_;	2828	my ($self, $exit) = @_;
1938		2829
1939	return unless $self->type == cf::PLAYER;	2830	return unless $self->type == cf::PLAYER;
1940		2831
1941	if ($exit->slaying eq "/!") {
1942	#TODO: this should de-fi-ni-te-ly not be a sync-job
1943	cf::sync_job { prepare_random_map $exit };
1944	}
1945
1946	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1947	my $hp = $exit->stats->hp;
1948	my $sp = $exit->stats->sp;
1949
1950	$self->enter_link;	2832	$self->enter_link;
1951		2833
1952	(async {	2834	(async {
1953	$self->deactivate_recursive; # just to be sure	2835	$Coro::current->{desc} = "enter_exit";
		2836
1954	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
1955	$self->goto ($slaying, $hp, $sp);	2852	$self->goto ($map, $x, $y);
1956		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
1957	1;	2858	1
1958	}) {	2859	}) {
1959	$self->message ("Something went wrong deep within the crossfire server. "	2860	$self->message ("Something went wrong deep within the deliantra server. "
1960	. "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. "
1961	. "Please report this to the dungeon master!",	2862	. "Please report this to the dungeon master!",
1962	cf::NDI_UNIQUE | cf::NDI_RED);	2863	cf::NDI_UNIQUE | cf::NDI_RED);
1963		2864
1964	warn "ERROR in enter_exit: $@";	2865	error "ERROR in enter_exit: $@";
1965	$self->leave_link;	2866	$self->leave_link;
1966	}	2867	}
1967	})->prio (1);	2868	})->prio (1);
1968	}	2869	}
1969		2870
…		…
1980		2881
1981	sub cf::client::send_drawinfo {	2882	sub cf::client::send_drawinfo {
1982	my ($self, $text, $flags) = @_;	2883	my ($self, $text, $flags) = @_;
1983		2884
1984	utf8::encode $text;	2885	utf8::encode $text;
1985	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2886	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1986	}	2887	}
1987		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	}
1988		3110
1989	=item $success = $client->query ($flags, "text", \&cb)	3111	=item $success = $client->query ($flags, "text", \&cb)
1990		3112
1991	Queues a query to the client, calling the given callback with	3113	Queues a query to the client, calling the given callback with
1992	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>,
1993	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>.
1994		3116
1995	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
1996	reliable at some point in the future.	3118	become reliable at some point in the future.
1997		3119
1998	=cut	3120	=cut
1999		3121
2000	sub cf::client::query {	3122	sub cf::client::query {
2001	my ($self, $flags, $text, $cb) = @_;	3123	my ($self, $flags, $text, $cb) = @_;
…		…
2009	utf8::encode $text;	3131	utf8::encode $text;
2010	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3132	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2011		3133
2012	$self->send_packet ($self->{query_queue}[0][0])	3134	$self->send_packet ($self->{query_queue}[0][0])
2013	if @{ $self->{query_queue} } == 1;	3135	if @{ $self->{query_queue} } == 1;
		3136
		3137	1
2014	}	3138	}
2015		3139
2016	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	},
2017	on_reply => sub {	3146	on_reply => sub {
2018	my ($ns, $msg) = @_;	3147	my ($ns, $msg) = @_;
2019		3148
2020	# this weird shuffling is so that direct followup queries	3149	# this weird shuffling is so that direct followup queries
2021	# get handled first	3150	# get handled first
…		…
2033	} else {	3162	} else {
2034	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2035	}	3164	}
2036	}	3165	}
2037	},	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	},
2038	);	3193	);
2039		3194
2040	=item $client->async (\&cb)	3195	=item $client->async (\&cb)
2041		3196
2042	Create a new coroutine, running the specified callback. The coroutine will	3197	Create a new coroutine, running the specified callback. The coroutine will
…		…
2058		3213
2059	$coro	3214	$coro
2060	}	3215	}
2061		3216
2062	cf::client->attach (	3217	cf::client->attach (
2063	on_destroy => sub {	3218	on_client_destroy => sub {
2064	my ($ns) = @_;	3219	my ($ns) = @_;
2065		3220
2066	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3221	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2067	},	3222	},
2068	);	3223	);
…		…
2083	our $safe = new Safe "safe";	3238	our $safe = new Safe "safe";
2084	our $safe_hole = new Safe::Hole;	3239	our $safe_hole = new Safe::Hole;
2085		3240
2086	$SIG{FPE} = 'IGNORE';	3241	$SIG{FPE} = 'IGNORE';
2087		3242
2088	$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	));
2089		3248
2090	# here we export the classes and methods available to script code	3249	# here we export the classes and methods available to script code
2091		3250
2092	=pod	3251	=pod
2093		3252
2094	The following fucntions and emthods are available within a safe environment:	3253	The following functions and methods are available within a safe environment:
2095		3254
2096	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
2097	cf::object::player player	3260	cf::object::player
2098	cf::player peaceful	3261	player
2099	cf::map trigger	3262
		3263	cf::player
		3264	peaceful
		3265
		3266	cf::map
		3267	trigger
2100		3268
2101	=cut	3269	=cut
2102		3270
2103	for (	3271	for (
2104	["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)],
2105	["cf::object::player" => qw(player)],	3275	["cf::object::player" => qw(player)],
2106	["cf::player" => qw(peaceful)],	3276	["cf::player" => qw(peaceful send_msg)],
2107	["cf::map" => qw(trigger)],	3277	["cf::map" => qw(trigger)],
2108	) {	3278	) {
2109	no strict 'refs';
2110	my ($pkg, @funs) = @$_;	3279	my ($pkg, @funs) = @$_;
2111	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3280	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2112	for @funs;	3281	for @funs;
2113	}	3282	}
2114		3283
…		…
2129		3298
2130	my $qcode = $code;	3299	my $qcode = $code;
2131	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3300	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2132	$qcode =~ s/\n/\\n/g;	3301	$qcode =~ s/\n/\\n/g;
2133		3302
		3303	%vars = (_dummy => 0) unless %vars;
		3304
		3305	my @res;
2134	local $_;	3306	local $_;
2135	local @safe::cf::_safe_eval_args = values %vars;
2136		3307
2137	my $eval =	3308	my $eval =
2138	"do {\n"	3309	"do {\n"
2139	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3310	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2140	. "#line 0 \"{$qcode}\"\n"	3311	. "#line 0 \"{$qcode}\"\n"
2141	. $code	3312	. $code
2142	. "\n}"	3313	. "\n}"
2143	;	3314	;
2144		3315
		3316	if ($CFG{safe_eval}) {
2145	sub_generation_inc;	3317	sub_generation_inc;
		3318	local @safe::cf::_safe_eval_args = values %vars;
2146	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3319	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2147	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	}
2148		3325
2149	if ($@) {	3326	if ($@) {
2150	warn "$@";	3327	warn "$@",
2151	warn "while executing safe code '$code'\n";	3328	"while executing safe code '$code'\n",
2152	warn "with arguments " . (join " ", %vars) . "\n";	3329	"with arguments " . (join " ", %vars) . "\n";
2153	}	3330	}
2154		3331
2155	wantarray ? @res : $res[0]	3332	wantarray ? @res : $res[0]
2156	}	3333	}
2157		3334
…		…
2171	=cut	3348	=cut
2172		3349
2173	sub register_script_function {	3350	sub register_script_function {
2174	my ($fun, $cb) = @_;	3351	my ($fun, $cb) = @_;
2175		3352
2176	no strict 'refs';	3353	$fun = "safe::$fun" if $CFG{safe_eval};
2177	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3354	*$fun = $safe_hole->wrap ($cb);
2178	}	3355	}
2179		3356
2180	=back	3357	=back
2181		3358
2182	=cut	3359	=cut
2183
2184	#############################################################################
2185
2186	=head2 EXTENSION DATABASE SUPPORT
2187
2188	Crossfire maintains a very simple database for extension use. It can
2189	currently store anything that can be serialised using Storable, which
2190	excludes objects.
2191
2192	The parameter C<$family> should best start with the name of the extension
2193	using it, it should be unique.
2194
2195	=over 4
2196
2197	=item $value = cf::db_get $family => $key
2198
2199	Returns a single value from the database.
2200
2201	=item cf::db_put $family => $key => $value
2202
2203	Stores the given C<$value> in the family.
2204
2205	=cut
2206
2207	our $DB;
2208
2209	sub db_init {
2210	unless ($DB) {
2211	$DB = BDB::db_create $DB_ENV;
2212
2213	cf::sync_job {
2214	eval {
2215	$DB->set_flags (BDB::CHKSUM);
2216
2217	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2218	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2219	cf::cleanup "db_open(db): $!" if $!;
2220	};
2221	cf::cleanup "db_open(db): $@" if $@;
2222	};
2223
2224	my $path = cf::localdir . "/database.pst";
2225	if (stat $path) {
2226	cf::sync_job {
2227	my $pst = Storable::retrieve $path;
2228
2229	cf::db_put (board => data => $pst->{board});
2230	cf::db_put (guildrules => data => $pst->{guildrules});
2231	cf::db_put (rent => balance => $pst->{rent}{balance});
2232	BDB::db_env_txn_checkpoint $DB_ENV;
2233
2234	unlink $path;
2235	};
2236	}
2237	}
2238	}
2239
2240	sub db_get($$) {
2241	my $key = "$_[0]/$_[1]";
2242
2243	cf::sync_job {
2244	BDB::db_get $DB, undef, $key, my $data;
2245
2246	$! ? ()
2247	: Compress::LZF::sthaw $data
2248	}
2249	}
2250
2251	sub db_put($$$) {
2252	BDB::dbreq_pri 4;
2253	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2254	}
2255		3360
2256	#############################################################################	3361	#############################################################################
2257	# the server's init and main functions	3362	# the server's init and main functions
2258		3363
		3364	sub load_facedata($) {
		3365	my ($path) = @_;
		3366
		3367	# HACK to clear player env face cache, we need some signal framework
		3368	# for this (global event?)
		3369	%ext::player_env::MUSIC_FACE_CACHE = ();
		3370
		3371	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3372
		3373	trace "loading facedata from $path\n";
		3374
		3375	my $facedata;
		3376	0 < aio_load $path, $facedata
		3377	or die "$path: $!";
		3378
		3379	$facedata = Coro::Storable::thaw $facedata;
		3380
		3381	$facedata->{version} == 2
		3382	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3383
		3384	# patch in the exptable
		3385	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3386	$facedata->{resource}{"res/exp_table"} = {
		3387	type => FT_RSRC,
		3388	data => $exp_table,
		3389	hash => (Digest::MD5::md5 $exp_table),
		3390	};
		3391	cf::cede_to_tick;
		3392
		3393	{
		3394	my $faces = $facedata->{faceinfo};
		3395
		3396	while (my ($face, $info) = each %$faces) {
		3397	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3398
		3399	cf::face::set_visibility $idx, $info->{visibility};
		3400	cf::face::set_magicmap $idx, $info->{magicmap};
		3401	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3402	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3403
		3404	cf::cede_to_tick;
		3405	}
		3406
		3407	while (my ($face, $info) = each %$faces) {
		3408	next unless $info->{smooth};
		3409
		3410	my $idx = cf::face::find $face
		3411	or next;
		3412
		3413	if (my $smooth = cf::face::find $info->{smooth}) {
		3414	cf::face::set_smooth $idx, $smooth;
		3415	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3416	} else {
		3417	error "smooth face '$info->{smooth}' not found for face '$face'";
		3418	}
		3419
		3420	cf::cede_to_tick;
		3421	}
		3422	}
		3423
		3424	{
		3425	my $anims = $facedata->{animinfo};
		3426
		3427	while (my ($anim, $info) = each %$anims) {
		3428	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3429	cf::cede_to_tick;
		3430	}
		3431
		3432	cf::anim::invalidate_all; # d'oh
		3433	}
		3434
		3435	{
		3436	my $res = $facedata->{resource};
		3437
		3438	while (my ($name, $info) = each %$res) {
		3439	if (defined $info->{type}) {
		3440	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3441
		3442	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3443	cf::face::set_type $idx, $info->{type};
		3444	} else {
		3445	$RESOURCE{$name} = $info; # unused
		3446	}
		3447
		3448	cf::cede_to_tick;
		3449	}
		3450	}
		3451
		3452	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3453
		3454	1
		3455	}
		3456
		3457	register_exticmd fx_want => sub {
		3458	my ($ns, $want) = @_;
		3459
		3460	while (my ($k, $v) = each %$want) {
		3461	$ns->fx_want ($k, $v);
		3462	}
		3463	};
		3464
2259	sub load_resources {	3465	sub load_resource_file($) {
2260	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3466	my $guard = lock_acquire "load_resource_file";
		3467
		3468	my $status = load_resource_file_ $_[0];
		3469	get_slot 0.1, 100;
		3470	cf::arch::commit_load;
		3471
		3472	$status
		3473	}
		3474
		3475	sub reload_regions {
		3476	# HACK to clear player env face cache, we need some signal framework
		3477	# for this (global event?)
		3478	%ext::player_env::MUSIC_FACE_CACHE = ();
		3479
		3480	load_resource_file "$MAPDIR/regions"
2261	or die "unable to load regions file\n";#d#	3481	or die "unable to load regions file\n";
2262	}
2263		3482
2264	sub cfg_load {	3483	for (cf::region::list) {
		3484	$_->{match} = qr/$_->{match}/
		3485	if exists $_->{match};
		3486	}
		3487	}
		3488
		3489	sub reload_facedata {
		3490	load_facedata "$DATADIR/facedata"
		3491	or die "unable to load facedata\n";
		3492	}
		3493
		3494	sub reload_archetypes {
		3495	load_resource_file "$DATADIR/archetypes"
		3496	or die "unable to load archetypes\n";
		3497	}
		3498
		3499	sub reload_treasures {
		3500	load_resource_file "$DATADIR/treasures"
		3501	or die "unable to load treasurelists\n";
		3502	}
		3503
		3504	sub reload_sound {
		3505	trace "loading sound config from $DATADIR/sound\n";
		3506
		3507	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3508	or die "$DATADIR/sound $!";
		3509
		3510	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3511
		3512	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3513	my $sound = $soundconf->{compat}[$_]
		3514	or next;
		3515
		3516	my $face = cf::face::find "sound/$sound->[1]";
		3517	cf::sound::set $sound->[0] => $face;
		3518	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3519	}
		3520
		3521	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3522	my $face = cf::face::find "sound/$v";
		3523	cf::sound::set $k => $face;
		3524	}
		3525	}
		3526
		3527	sub reload_resources {
		3528	trace "reloading resource files...\n";
		3529
		3530	reload_facedata;
		3531	reload_sound;
		3532	reload_archetypes;
		3533	reload_regions;
		3534	reload_treasures;
		3535
		3536	trace "finished reloading resource files\n";
		3537	}
		3538
		3539	sub reload_config {
		3540	trace "reloading config file...\n";
		3541
2265	open my $fh, "<:utf8", cf::confdir . "/config"	3542	open my $fh, "<:utf8", "$CONFDIR/config"
2266	or return;	3543	or return;
2267		3544
2268	local $/;	3545	local $/;
2269	*CFG = YAML::Syck::Load <$fh>;	3546	*CFG = YAML::XS::Load scalar <$fh>;
2270		3547
2271	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3548	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2272		3549
2273	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3550	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2274	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3551	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2275		3552
2276	if (exists $CFG{mlockall}) {	3553	if (exists $CFG{mlockall}) {
…		…
2278	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3555	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2279	and die "WARNING: m(un)lockall failed: $!\n";	3556	and die "WARNING: m(un)lockall failed: $!\n";
2280	};	3557	};
2281	warn $@ if $@;	3558	warn $@ if $@;
2282	}	3559	}
2283	}
2284		3560
2285	sub init {	3561	trace "finished reloading resource files\n";
2286	load_resources;	3562	}
		3563
		3564	sub pidfile() {
		3565	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3566	or die "$PIDFILE: $!";
		3567	flock $fh, &Fcntl::LOCK_EX
		3568	or die "$PIDFILE: flock: $!";
		3569	$fh
		3570	}
		3571
		3572	# make sure only one server instance is running at any one time
		3573	sub atomic {
		3574	my $fh = pidfile;
		3575
		3576	my $pid = <$fh>;
		3577	kill 9, $pid if $pid > 0;
		3578
		3579	seek $fh, 0, 0;
		3580	print $fh $$;
		3581	}
		3582
		3583	sub main_loop {
		3584	trace "EV::loop starting\n";
		3585	if (1) {
		3586	EV::loop;
		3587	}
		3588	trace "EV::loop returned\n";
		3589	goto &main_loop unless $REALLY_UNLOOP;
2287	}	3590	}
2288		3591
2289	sub main {	3592	sub main {
		3593	cf::init_globals; # initialise logging
		3594
		3595	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3596	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3597	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3598	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3599
		3600	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3601
2290	# we must not ever block the main coroutine	3602	# we must not ever block the main coroutine
2291	local $Coro::idle = sub {	3603	local $Coro::idle = sub {
2292	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3604	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2293	(async {	3605	(async {
2294	Event::one_event;	3606	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3607	EV::loop EV::LOOP_ONESHOT;
2295	})->prio (Coro::PRIO_MAX);	3608	})->prio (Coro::PRIO_MAX);
2296	};	3609	};
2297		3610
2298	cfg_load;	3611	evthread_start IO::AIO::poll_fileno;
		3612
		3613	cf::sync_job {
		3614	cf::incloader::init ();
		3615
		3616	cf::init_experience;
		3617	cf::init_anim;
		3618	cf::init_attackmess;
		3619	cf::init_dynamic;
		3620
		3621	cf::load_settings;
		3622	cf::load_materials;
		3623
		3624	reload_resources;
		3625	reload_config;
2299	db_init;	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
2300	load_extensions;	3636	load_extensions;
2301		3637
2302	$TICK_WATCHER->start;	3638	utime time, time, $RUNTIMEFILE;
2303	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;
2304	}	3656	}
2305		3657
2306	#############################################################################	3658	#############################################################################
2307	# initialisation and cleanup	3659	# initialisation and cleanup
2308		3660
2309	# install some emergency cleanup handlers	3661	# install some emergency cleanup handlers
2310	BEGIN {	3662	BEGIN {
		3663	our %SIGWATCHER = ();
2311	for my $signal (qw(INT HUP TERM)) {	3664	for my $signal (qw(INT HUP TERM)) {
2312	Event->signal (	3665	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2313	reentrant => 0,
2314	data => WF_AUTOCANCEL,
2315	signal => $signal,
2316	prio => 0,
2317	cb => sub {
2318	cf::cleanup "SIG$signal";	3666	cf::cleanup "SIG$signal";
2319	},
2320	);	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
2321	}	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 };
2322	}	3757	}
2323		3758
2324	sub emergency_save() {	3759	sub emergency_save() {
2325	my $freeze_guard = cf::freeze_mainloop;	3760	my $freeze_guard = cf::freeze_mainloop;
2326		3761
2327	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;
2328		3768
2329	cf::sync_job {	3769	cf::sync_job {
		3770	cf::write_runtime_sync; # external watchdog should not bark
		3771
2330	# use a peculiar iteration method to avoid tripping on perl	3772	# use a peculiar iteration method to avoid tripping on perl
2331	# refcount bugs in for. also avoids problems with players	3773	# refcount bugs in for. also avoids problems with players
2332	# and maps saved/destroyed asynchronously.	3774	# and maps saved/destroyed asynchronously.
2333	warn "begin emergency player save\n";	3775	info "emergency_perl_save: begin player save\n";
2334	for my $login (keys %cf::PLAYER) {	3776	for my $login (keys %cf::PLAYER) {
2335	my $pl = $cf::PLAYER{$login} or next;	3777	my $pl = $cf::PLAYER{$login} or next;
2336	$pl->valid or next;	3778	$pl->valid or next;
		3779	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2337	$pl->save;	3780	$pl->save;
2338	}	3781	}
2339	warn "end emergency player save\n";	3782	info "emergency_perl_save: end player save\n";
2340		3783
2341	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";
2342	for my $path (keys %cf::MAP) {	3787	for my $path (keys %cf::MAP) {
2343	my $map = $cf::MAP{$path} or next;	3788	my $map = $cf::MAP{$path} or next;
2344	$map->valid or next;	3789	$map->valid or next;
2345	$map->save;	3790	$map->save;
2346	}	3791	}
2347	warn "end emergency map save\n";	3792	info "emergency_perl_save: end map save\n";
2348		3793
2349	warn "begin emergency database checkpoint\n";	3794	cf::write_runtime_sync; # external watchdog should not bark
		3795
		3796	info "emergency_perl_save: begin database checkpoint\n";
2350	BDB::db_env_txn_checkpoint $DB_ENV;	3797	BDB::db_env_txn_checkpoint $DB_ENV;
2351	warn "end emergency database checkpoint\n";	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
2352	};	3822	};
2353		3823
2354	warn "leave emergency perl save\n";	3824	info "emergency_perl_save: leave\n";
2355	}	3825	}
2356		3826
2357	sub post_cleanup {	3827	sub post_cleanup {
2358	my ($make_core) = @_;	3828	my ($make_core) = @_;
2359		3829
		3830	IO::AIO::flush;
		3831
2360	warn Carp::longmess "post_cleanup backtrace"	3832	error Carp::longmess "post_cleanup backtrace"
2361	if $make_core;	3833	if $make_core;
2362	}
2363		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
2364	sub reload() {	3864	sub do_reload_perl() {
2365	# can/must only be called in main	3865	# can/must only be called in main
2366	if ($Coro::current != $Coro::main) {	3866	unless (in_main) {
2367	warn "can only reload from main coroutine";	3867	error "can only reload from main coroutine";
2368	return;	3868	return;
2369	}	3869	}
2370		3870
		3871	return if $RELOAD++;
		3872
		3873	my $t1 = AE::time;
		3874
		3875	while ($RELOAD) {
		3876	cf::get_slot 0.1, -1, "reload_perl";
2371	warn "reloading...";	3877	info "reloading...";
2372		3878
2373	warn "entering sync_job";	3879	trace "entering sync_job";
2374		3880
2375	cf::sync_job {	3881	cf::sync_job {
2376	cf::write_runtime; # external watchdog should not bark
2377	cf::emergency_save;	3882	#cf::emergency_save;
2378	cf::write_runtime; # external watchdog should not bark
2379		3883
2380	warn "syncing database to disk";
2381	BDB::db_env_txn_checkpoint $DB_ENV;
2382
2383	# if anything goes wrong in here, we should simply crash as we already saved
2384
2385	warn "cancelling all WF_AUTOCANCEL watchers";
2386	for (Event::all_watchers) {
2387	$_->cancel if $_->data & WF_AUTOCANCEL;
2388	}
2389
2390	warn "flushing outstanding aio requests";
2391	for (;;) {
2392	BDB::flush;
2393	IO::AIO::flush;
2394	Coro::cede;
2395	last unless IO::AIO::nreqs || BDB::nreqs;
2396	warn "iterate...";
2397	}
2398
2399	warn "cancelling all extension coros";	3884	trace "cancelling all extension coros";
2400	$_->cancel for values %EXT_CORO;	3885	$_->cancel for values %EXT_CORO;
2401	%EXT_CORO = ();	3886	%EXT_CORO = ();
2402		3887
2403	warn "removing commands";	3888	trace "removing commands";
2404	%COMMAND = ();	3889	%COMMAND = ();
2405		3890
2406	warn "removing ext commands";	3891	trace "removing ext/exti commands";
2407	%EXTCMD = ();	3892	%EXTCMD = ();
		3893	%EXTICMD = ();
2408		3894
2409	warn "unloading/nuking all extensions";	3895	trace "unloading/nuking all extensions";
2410	for my $pkg (@EXTS) {	3896	for my $pkg (@EXTS) {
2411	warn "... unloading $pkg";	3897	trace "... unloading $pkg";
2412		3898
2413	if (my $cb = $pkg->can ("unload")) {	3899	if (my $cb = $pkg->can ("unload")) {
2414	eval {	3900	eval {
2415	$cb->($pkg);	3901	$cb->($pkg);
2416	1	3902	1
2417	} 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;
2418	}	3908	}
2419		3909
2420	warn "... nuking $pkg";
2421	Symbol::delete_package $pkg;
2422	}
2423
2424	warn "unloading all perl modules loaded from $LIBDIR";	3910	trace "unloading all perl modules loaded from $LIBDIR";
2425	while (my ($k, $v) = each %INC) {	3911	while (my ($k, $v) = each %INC) {
2426	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3912	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2427		3913
2428	warn "... unloading $k";	3914	trace "... unloading $k";
2429	delete $INC{$k};	3915	delete $INC{$k};
2430		3916
2431	$k =~ s/\.pm$//;	3917	$k =~ s/\.pm$//;
2432	$k =~ s/\//::/g;	3918	$k =~ s/\//::/g;
2433		3919
2434	if (my $cb = $k->can ("unload_module")) {	3920	if (my $cb = $k->can ("unload_module")) {
2435	$cb->();	3921	$cb->();
		3922	}
		3923
		3924	clear_package $k;
2436	}	3925	}
2437		3926
2438	Symbol::delete_package $k;
2439	}
2440
2441	warn "getting rid of safe::, as good as possible";	3927	trace "getting rid of safe::, as good as possible";
2442	Symbol::delete_package "safe::$_"	3928	clear_package "safe::$_"
2443	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);
2444		3930
2445	warn "unloading cf.pm \"a bit\"";	3931	trace "unloading cf.pm \"a bit\"";
2446	delete $INC{"cf.pm"};	3932	delete $INC{"cf.pm"};
		3933	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2447		3934
2448	# don't, removes xs symbols, too,	3935	# don't, removes xs symbols, too,
2449	# and global variables created in xs	3936	# and global variables created in xs
2450	#Symbol::delete_package __PACKAGE__;	3937	#clear_package __PACKAGE__;
2451		3938
2452	warn "unload completed, starting to reload now";	3939	info "unload completed, starting to reload now";
2453		3940
2454	warn "reloading cf.pm";	3941	trace "reloading cf.pm";
2455	require cf;	3942	require cf;
2456	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3943	cf::_connect_to_perl_1;
2457		3944
2458	warn "loading config and database again";	3945	trace "loading config and database again";
2459	cf::cfg_load;	3946	cf::reload_config;
2460		3947
2461	warn "loading extensions";	3948	trace "loading extensions";
2462	cf::load_extensions;	3949	cf::load_extensions;
2463		3950
		3951	if ($REATTACH_ON_RELOAD) {
2464	warn "reattaching attachments to objects/players";	3952	trace "reattaching attachments to objects/players";
2465	_global_reattach;	3953	_global_reattach; # objects, sockets
2466	warn "reattaching attachments to maps";	3954	trace "reattaching attachments to maps";
2467	reattach $_ for values %MAP;	3955	reattach $_ for values %MAP;
		3956	trace "reattaching attachments to players";
		3957	reattach $_ for values %PLAYER;
		3958	}
2468		3959
2469	warn "loading reloadable resources";	3960	trace "running post_init jobs";
2470	load_resources;	3961	(pop @POST_INIT)->(1) while @POST_INIT;
2471		3962
2472	warn "leaving sync_job";	3963	trace "leaving sync_job";
2473		3964
2474	1	3965	1
2475	} or do {	3966	} or do {
2476	warn $@;	3967	error $@;
2477	warn "error while reloading, exiting.";	3968	cf::cleanup "error while reloading, exiting.";
2478	exit 1;	3969	};
		3970
		3971	info "reloaded";
		3972	--$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	};
2479	};	3992	};
2480		3993	}
2481	warn "reloaded";
2482	};
2483
2484	our $RELOAD_WATCHER; # used only during reload
2485		3994
2486	register_command "reload" => sub {	3995	register_command "reload" => sub {
2487	my ($who, $arg) = @_;	3996	my ($who, $arg) = @_;
2488		3997
2489	if ($who->flag (FLAG_WIZ)) {	3998	if ($who->flag (FLAG_WIZ)) {
2490	$who->message ("reloading server.");	3999	$who->message ("reloading server.");
2491		4000	async {
2492	# doing reload synchronously and two reloads happen back-to-back,	4001	$Coro::current->{desc} = "perl_reload";
2493	# coro crashes during coro_state_free->destroy here.
2494
2495	$RELOAD_WATCHER ||= Event->timer (
2496	reentrant => 0,
2497	after => 0,
2498	data => WF_AUTOCANCEL,
2499	cb => sub {
2500	reload;	4002	reload_perl;
2501	undef $RELOAD_WATCHER;
2502	},
2503	);	4003	};
2504	}	4004	}
2505	};	4005	};
2506		4006
2507	unshift @INC, $LIBDIR;	4007	#############################################################################
2508		4008
2509	my $bug_warning = 0;	4009	my $bug_warning = 0;
2510		4010
2511	$TICK_WATCHER = Event->timer (	4011	our @WAIT_FOR_TICK;
2512	reentrant => 0,	4012	our @WAIT_FOR_TICK_BEGIN;
2513	parked => 1,	4013
2514	prio => 0,	4014	sub wait_for_tick {
2515	at => $NEXT_TICK || $TICK,	4015	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2516	data => WF_AUTOCANCEL,	4016
2517	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	$signal->wait;
		4028	}
		4029
		4030	sub tick {
2518	if ($Coro::current != $Coro::main) {	4031	if ($Coro::current != $Coro::main) {
2519	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4032	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2520	unless ++$bug_warning > 10;	4033	unless ++$bug_warning > 10;
2521	return;	4034	return;
2522	}	4035	}
2523		4036
2524	$NOW = Event::time;
2525
2526	cf::server_tick; # one server iteration	4037	cf::server_tick; # one server iteration
2527	$RUNTIME += $TICK;
2528	$NEXT_TICK += $TICK;
2529		4038
		4039	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4040
2530	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4041	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2531	$NEXT_RUNTIME_WRITE = $NOW + 10;	4042	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2532	Coro::async_pool {	4043	Coro::async_pool {
		4044	$Coro::current->{desc} = "runtime saver";
2533	write_runtime	4045	write_runtime_sync
2534	or warn "ERROR: unable to write runtime file: $!";	4046	or error "ERROR: unable to write runtime file: $!";
2535	};
2536	}	4047	};
2537
2538
2539	$WAIT_FOR_TICK->broadcast;
2540	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2541
2542	# my $AFTER = Event::time;
2543	# warn $AFTER - $NOW;#d#
2544
2545	# if we are delayed by four ticks or more, skip them all
2546	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2547
2548	$TICK_WATCHER->at ($NEXT_TICK);
2549	$TICK_WATCHER->start;
2550	},	4048	}
2551	);	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#
		4065	}
		4066	}
		4067	}
2552		4068
2553	{	4069	{
2554	BDB::max_poll_time $TICK * 0.1;	4070	# configure BDB
2555	$BDB_POLL_WATCHER = Event->io (	4071
2556	reentrant => 0,
2557	fd => BDB::poll_fileno,
2558	poll => 'r',
2559	prio => 0,
2560	data => WF_AUTOCANCEL,
2561	cb => \&BDB::poll_cb,
2562	);
2563	BDB::min_parallel 8;	4072	BDB::min_parallel 16;
2564		4073	BDB::max_poll_reqs $TICK * 0.1;
2565	BDB::set_sync_prepare {	4074	$AnyEvent::BDB::WATCHER->priority (1);
2566	my $status;
2567	my $current = $Coro::current;
2568	(
2569	sub {
2570	$status = $!;
2571	$current->ready; undef $current;
2572	},
2573	sub {
2574	Coro::schedule while defined $current;
2575	$! = $status;
2576	},
2577	)
2578	};
2579		4075
2580	unless ($DB_ENV) {	4076	unless ($DB_ENV) {
2581	$DB_ENV = BDB::db_env_create;	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);
2582		4083
2583	cf::sync_job {	4084	cf::sync_job {
2584	eval {	4085	eval {
2585	BDB::db_env_open	4086	BDB::db_env_open
2586	$DB_ENV,	4087	$DB_ENV,
2587	$BDB_ENV_DIR,	4088	$BDBDIR,
2588	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4089	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2589	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4090	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2590	0666;	4091	0666;
2591		4092
2592	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4093	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2593
2594	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2595	$DB_ENV->set_lk_detect;
2596	};	4094	};
2597		4095
2598	cf::cleanup "db_env_open(db): $@" if $@;	4096	cf::cleanup "db_env_open(db): $@" if $@;
2599	};	4097	};
2600	}	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	};
2601	}	4109	}
2602		4110
2603	{	4111	{
		4112	# configure IO::AIO
		4113
2604	IO::AIO::min_parallel 8;	4114	IO::AIO::min_parallel 8;
2605
2606	undef $Coro::AIO::WATCHER;
2607	IO::AIO::max_poll_time $TICK * 0.1;	4115	IO::AIO::max_poll_time $TICK * 0.1;
2608	$AIO_POLL_WATCHER = Event->io (	4116	undef $AnyEvent::AIO::WATCHER;
2609	reentrant => 0,
2610	data => WF_AUTOCANCEL,
2611	fd => IO::AIO::poll_fileno,
2612	poll => 'r',
2613	prio => 6,
2614	cb => \&IO::AIO::poll_cb,
2615	);
2616	}	4117	}
		4118
		4119	my $_log_backtrace;
		4120
		4121	sub _log_backtrace {
		4122	my ($msg, @addr) = @_;
		4123
		4124	$msg =~ s/\n//;
		4125
		4126	# limit the # of concurrent backtraces
		4127	if ($_log_backtrace < 2) {
		4128	++$_log_backtrace;
		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] $msg\n";
		4157	LOG llevInfo, "[ABT] [suppressed]\n";
		4158	}
		4159	}
		4160
		4161	# load additional modules
		4162	require "cf/$_.pm" for @EXTRA_MODULES;
		4163	cf::_connect_to_perl_2;
2617		4164
2618	END { cf::emergency_save }	4165	END { cf::emergency_save }
2619		4166
2620	1	4167	1
2621		4168

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