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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.204 by root, Fri Feb 2 19:59:22 2007 UTC vs.
Revision 1.541 by root, Tue May 4 23:33:16 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	56	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
25	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
26		62
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		78
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		80
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	98	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	121	our $NEXT_TICK;
52	our $NOW;
53	our $USE_FSYNC; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
		126	our $BDB_TRICKLE_WATCHER;
		127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
54		130
55	our %CFG;	131	our %CFG;
56		132
57	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
58	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
59		136
60	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
61	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
62	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
63	our $RANDOM_MAPS = cf::localdir . "/random";
64
65	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
66	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
67		140
68	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
69	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
70		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
		153
71	binmode STDOUT;	154	binmode STDOUT;
72	binmode STDERR;	155	binmode STDERR;
73		156
74	# read virtual server time, if available	157	# read virtual server time, if available
75	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
76	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
77	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
78	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
79	}	162	}
80		163
81	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
82	mkdir cf::localdir . "/" . cf::playerdir;	165
83	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
84	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
85	mkdir $RANDOM_MAPS;
86		168
87	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
88		170
89	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
90		187
91	#############################################################################	188	#############################################################################
92		189
93	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
94		191
…		…
101	=item $cf::RUNTIME	198	=item $cf::RUNTIME
102		199
103	The time this server has run, starts at 0 and is increased by $cf::TICK on	200	The time this server has run, starts at 0 and is increased by $cf::TICK on
104	every server tick.	201	every server tick.
105		202
106	=item $cf::LIBDIR	203	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		204	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		205	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
107		206
108	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
109	be found. It will be added to C<@INC> automatically.	208	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		209	unique-items directory, player file directory, random maps directory and
		210	database environment.
110		211
111	=item $cf::NOW	212	=item $cf::NOW
112		213
113	The time of the last (current) server tick.	214	The time of the last (current) server tick.
114		215
115	=item $cf::TICK	216	=item $cf::TICK
116		217
117	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
118		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
119	=item %cf::CFG	230	=item %cf::CFG
120		231
121	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
122	from wherever your confdir points to.	233	from wherever your confdir points to.
123		234
124	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
125		236
126	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
127	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	238	returns directly I<after> the tick processing (and consequently, can only wake one process
128	processing has been done. Call C<< ->wait >> on them to maximise the	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
129	window of cpu time available, or simply to synchronise to the server tick.	240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
130		252
131	=back	253	=back
132		254
133	=cut	255	=cut
134		256
135	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
136	*CORE::GLOBAL::warn = sub {	258	sub warn (@) { LOG llevWarn , join "", @_ }
		259	sub info (@) { LOG llevInfo , join "", @_ }
		260	sub debug(@) { LOG llevDebug, join "", @_ }
		261	sub trace(@) { LOG llevTrace, join "", @_ }
		262
		263	$Coro::State::WARNHOOK = sub {
137	my $msg = join "", @_;	264	my $msg = join "", @_;
138	utf8::encode $msg;
139		265
140	$msg .= "\n"	266	$msg .= "\n"
141	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
142		268
		269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		270
143	LOG llevError, $msg;	271	LOG llevWarn, $msg;
144	};	272	};
145	}	273
		274	$Coro::State::DIEHOOK = sub {
		275	return unless $^S eq 0; # "eq", not "=="
		276
		277	error Carp::longmess $_[0];
		278
		279	if (in_main) {#d#
		280	error "DIEHOOK called in main context, Coro bug?\n";#d#
		281	return;#d#
		282	}#d#
		283
		284	# kill coroutine otherwise
		285	Coro::terminate
		286	};
146		287
147	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
148	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
149	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
150	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
151	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	292	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		293	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
152	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	294	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
153		295
154	# we bless all objects into (empty) derived classes to force a method lookup	296	# we bless all objects into (empty) derived classes to force a method lookup
155	# within the Safe compartment.	297	# within the Safe compartment.
156	for my $pkg (qw(	298	for my $pkg (qw(
157	cf::global cf::attachable	299	cf::global cf::attachable
158	cf::object cf::object::player	300	cf::object cf::object::player
159	cf::client cf::player	301	cf::client cf::player
160	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
161	cf::map cf::party cf::region	304	cf::party cf::region
162	)) {	305	)) {
163	no strict 'refs';
164	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
165	}	307	}
166		308
167	$Event::DIED = sub {	309	$EV::DIED = sub {
168	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
169	};	311	};
		312
		313	#############################################################################
170		314
171	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
172		316
173	=over 4	317	=over 4
174		318
…		…
193	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	337	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
194	$d	338	$d
195	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
196	}	340	}
197		341
198	use JSON::Syck (); # TODO# replace by JSON::PC once working
199
200	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
201		343
202	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
203		345
204	=cut
205
206	sub from_json($) {
207	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
208	JSON::Syck::Load $_[0]
209	}
210
211	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
212		347
213	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
214		349
215	=cut	350	=cut
216		351
217	sub to_json($) {	352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
218	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	353
219	JSON::Syck::Dump $_[0]	354	sub encode_json($) { $json_coder->encode ($_[0]) }
		355	sub decode_json($) { $json_coder->decode ($_[0]) }
		356
		357	=item cf::post_init { BLOCK }
		358
		359	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		360	but I<before> the server starts ticking again.
		361
		362	The cdoeblock will have a single boolean argument to indicate whether this
		363	is a reload or not.
		364
		365	=cut
		366
		367	sub post_init(&) {
		368	push @POST_INIT, shift;
220	}	369	}
221		370
222	=item cf::lock_wait $string	371	=item cf::lock_wait $string
223		372
224	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
225		374
226	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
227		376
228	Wait until the given lock is available and then acquires it and returns	377	Wait until the given lock is available and then acquires it and returns
229	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	378	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
230	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
231	returned.	380	returned.
232		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
233	Lock names should begin with a unique identifier (for example, cf::map::find	385	Lock names should begin with a unique identifier (for example, cf::map::find
234	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
235		387
236	=cut	388	=item $locked = cf::lock_active $string
237		389
238	our %LOCK;	390	Return true if the lock is currently active, i.e. somebody has locked it.
		391
		392	=cut
		393
		394	our $LOCKS = new Coro::SemaphoreSet;
239		395
240	sub lock_wait($) {	396	sub lock_wait($) {
241	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
242
243	# wait for lock, if any
244	while ($LOCK{$key}) {
245	push @{ $LOCK{$key} }, $Coro::current;
246	Coro::schedule;
247	}
248	}	398	}
249		399
250	sub lock_acquire($) {	400	sub lock_acquire($) {
251	my ($key) = @_;	401	$LOCKS->guard ($_[0])
		402	}
252		403
253	# wait, to be sure we are not locked	404	sub lock_active($) {
254	lock_wait $key;	405	$LOCKS->count ($_[0]) < 1
255
256	$LOCK{$key} = [];
257
258	Coro::guard {
259	# wake up all waiters, to be on the safe side
260	$_->ready for @{ delete $LOCK{$key} };
261	}
262	}	406	}
263		407
264	sub freeze_mainloop {	408	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
266		410
267	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
268	$TICK_WATCHER->start;	412	}
269	$WRITE_RUNTIME_WATCHER->start;	413
		414	=item cf::periodic $interval, $cb
		415
		416	Like EV::periodic, but randomly selects a starting point so that the actions
		417	get spread over time.
		418
		419	=cut
		420
		421	sub periodic($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
270	};	478	}
271	$WRITE_RUNTIME_WATCHER->stop;	479	};
272	$TICK_WATCHER->stop;	480
273	$guard	481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
		484	my ($time, $pri, $name) = @_;
		485
		486	$time = clamp $time, 0.01, $TICK * .6;
		487
		488	my $sig = new Coro::Signal;
		489
		490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		492	$SLOT_QUEUE->ready;
		493	$sig->wait;
274	}	494	}
275		495
276	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
277		497
278	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
283		503
284	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
285		505
286	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
287		507
288	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
289	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
290	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
291		512
292	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
293	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
294	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
295	fast or be very important.	516	fast or be very important.
…		…
297	=cut	518	=cut
298		519
299	sub sync_job(&) {	520	sub sync_job(&) {
300	my ($job) = @_;	521	my ($job) = @_;
301		522
302	if ($Coro::current == $Coro::main) {	523	if (in_main) {
		524	my $time = AE::time;
		525
303	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
304	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
305		528
306	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
307	# (but this is cancel-safe)	530
308	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
309		532
310	my $busy = 1;	533	my $busy = 1;
311	my @res;	534	my @res;
312		535
313	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
314	@res = eval { $job->() };	538	@res = eval { $job->() };
315	warn $@ if $@;	539	error $@ if $@;
316	undef $busy;	540	undef $busy;
317	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
318		542
319	while ($busy) {	543	while ($busy) {
320	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
321	}	548	}
		549	}
		550
		551	my $time = AE::time - $time;
		552
		553	$TICK_START += $time; # do not account sync jobs to server load
322		554
323	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
324	} else {	556	} else {
325	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
326		558
…		…
346	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
347		579
348	$coro	580	$coro
349	}	581	}
350		582
351	sub write_runtime {	583	=item fork_call { }, $args
352	my $runtime = cf::localdir . "/runtime";
353		584
354	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	585	Executes the given code block with the given arguments in a seperate
355	or return;	586	process, returning the results. Everything must be serialisable with
		587	Coro::Storable. May, of course, block. Note that the executed sub may
		588	never block itself or use any form of event handling.
356		589
357	my $value = $cf::RUNTIME + 90 + 10;	590	=cut
358	# 10 is the runtime save interval, for a monotonic clock
359	# 60 allows for the watchdog to kill the server.
360		591
361	(aio_write $fh, 0, (length $value), $value, 0) <= 0	592	sub fork_call(&@) {
362	and return;	593	my ($cb, @args) = @_;
363		594
364	# always fsync - this file is important	595	# we seemingly have to make a local copy of the whole thing,
365	aio_fsync $fh	596	# otherwise perl prematurely frees the stuff :/
366	and return;	597	# TODO: investigate and fix (likely this will be rather laborious)
367		598
368	close $fh	599	my @res = Coro::Util::fork_eval {
369	or return;	600	reset_signals;
		601	&$cb
		602	}, @args;
370		603
371	aio_rename "$runtime~", $runtime	604	wantarray ? @res : $res[-1]
372	and return;	605	}
373		606
		607	sub objinfo {
374	1	608	(
		609	"counter value" => cf::object::object_count,
		610	"objects created" => cf::object::create_count,
		611	"objects destroyed" => cf::object::destroy_count,
		612	"freelist size" => cf::object::free_count,
		613	"allocated objects" => cf::object::objects_size,
		614	"active objects" => cf::object::actives_size,
		615	)
		616	}
		617
		618	=item $coin = coin_from_name $name
		619
		620	=cut
		621
		622	our %coin_alias = (
		623	"silver" => "silvercoin",
		624	"silvercoin" => "silvercoin",
		625	"silvercoins" => "silvercoin",
		626	"gold" => "goldcoin",
		627	"goldcoin" => "goldcoin",
		628	"goldcoins" => "goldcoin",
		629	"platinum" => "platinacoin",
		630	"platinumcoin" => "platinacoin",
		631	"platinumcoins" => "platinacoin",
		632	"platina" => "platinacoin",
		633	"platinacoin" => "platinacoin",
		634	"platinacoins" => "platinacoin",
		635	"royalty" => "royalty",
		636	"royalties" => "royalty",
		637	);
		638
		639	sub coin_from_name($) {
		640	$coin_alias{$_[0]}
		641	? cf::arch::find $coin_alias{$_[0]}
		642	: undef
		643	}
		644
		645	=item $value = cf::db_get $family => $key
		646
		647	Returns a single value from the environment database.
		648
		649	=item cf::db_put $family => $key => $value
		650
		651	Stores the given C<$value> in the family. It can currently store binary
		652	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		653
		654	=item $db = cf::db_table "name"
		655
		656	Create and/or open a new database table. The string must not be "db" and must be unique
		657	within each server.
		658
		659	=cut
		660
		661	sub db_table($) {
		662	cf::error "db_get called from main context"
		663	if $Coro::current == $Coro::main;
		664
		665	my ($name) = @_;
		666	my $db = BDB::db_create $DB_ENV;
		667
		668	eval {
		669	$db->set_flags (BDB::CHKSUM);
		670
		671	utf8::encode $name;
		672	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		673	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		674	cf::cleanup "db_open(db): $!" if $!;
		675	};
		676	cf::cleanup "db_open(db): $@" if $@;
		677
		678	$db
		679	}
		680
		681	our $DB;
		682
		683	sub db_init {
		684	$DB ||= db_table "db";
		685	}
		686
		687	sub db_get($$) {
		688	my $key = "$_[0]/$_[1]";
		689
		690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
		693	BDB::db_get $DB, undef, $key, my $data;
		694
		695	$! ? ()
		696	: $data
		697	}
		698
		699	sub db_put($$$) {
		700	BDB::dbreq_pri 4;
		701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		702	}
		703
		704	=item cf::cache $id => [$paths...], $processversion => $process
		705
		706	Generic caching function that returns the value of the resource $id,
		707	caching and regenerating as required.
		708
		709	This function can block.
		710
		711	=cut
		712
		713	sub cache {
		714	my ($id, $src, $processversion, $process) = @_;
		715
		716	my $meta =
		717	join "\x00",
		718	$processversion,
		719	map {
		720	aio_stat $_
		721	and Carp::croak "$_: $!";
		722
		723	($_, (stat _)[7,9])
		724	} @$src;
		725
		726	my $dbmeta = db_get cache => "$id/meta";
		727	if ($dbmeta ne $meta) {
		728	# changed, we may need to process
		729
		730	my @data;
		731	my $md5;
		732
		733	for (0 .. $#$src) {
		734	0 <= aio_load $src->[$_], $data[$_]
		735	or Carp::croak "$src->[$_]: $!";
		736	}
		737
		738	# if processing is expensive, check
		739	# checksum first
		740	if (1) {
		741	$md5 =
		742	join "\x00",
		743	$processversion,
		744	map {
		745	cf::cede_to_tick;
		746	($src->[$_], Digest::MD5::md5_hex $data[$_])
		747	} 0.. $#$src;
		748
		749
		750	my $dbmd5 = db_get cache => "$id/md5";
		751	if ($dbmd5 eq $md5) {
		752	db_put cache => "$id/meta", $meta;
		753
		754	return db_get cache => "$id/data";
		755	}
		756	}
		757
		758	my $t1 = Time::HiRes::time;
		759	my $data = $process->(\@data);
		760	my $t2 = Time::HiRes::time;
		761
		762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		763
		764	db_put cache => "$id/data", $data;
		765	db_put cache => "$id/md5" , $md5;
		766	db_put cache => "$id/meta", $meta;
		767
		768	return $data;
		769	}
		770
		771	db_get cache => "$id/data"
		772	}
		773
		774	=item cf::datalog type => key => value, ...
		775
		776	Log a datalog packet of the given type with the given key-value pairs.
		777
		778	=cut
		779
		780	sub datalog($@) {
		781	my ($type, %kv) = @_;
		782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
375	}	783	}
376		784
377	=back	785	=back
378		786
379	=cut	787	=cut
380		788
381	#############################################################################	789	#############################################################################
382		790
383	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
384		792
385	Many objects in crossfire are so-called attachable objects. That means you can	793	Many objects in deliantra are so-called attachable objects. That means you can
386	attach callbacks/event handlers (a collection of which is called an "attachment")	794	attach callbacks/event handlers (a collection of which is called an "attachment")
387	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
388		796
389	In the following description, CLASS can be any of C<global>, C<object>	797	In the following description, CLASS can be any of C<global>, C<object>
390	C<player>, C<client> or C<map> (i.e. the attachable objects in	798	C<player>, C<client> or C<map> (i.e. the attachable objects in
391	crossfire+).	799	Deliantra).
392		800
393	=over 4	801	=over 4
394		802
395	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
396		804
…		…
440	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
441		849
442	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
443	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
444		852
445	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
446	that are attached at load/instantiate time, thus the need for a name.	854	that are attached at load/instantiate time, thus the need for a name.
447		855
448	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
449		857
450	=over 4	858	=over 4
…		…
559	$registry = $CB_TYPE[$object_type] ||= [];	967	$registry = $CB_TYPE[$object_type] ||= [];
560		968
561	} elsif ($type eq "subtype") {	969	} elsif ($type eq "subtype") {
562	defined $object_type or Carp::croak "subtype specified without type";	970	defined $object_type or Carp::croak "subtype specified without type";
563	my $object_subtype = shift @arg;	971	my $object_subtype = shift @arg;
564	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	972	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
565		973
566	} elsif ($type eq "package") {	974	} elsif ($type eq "package") {
567	my $pkg = shift @arg;	975	my $pkg = shift @arg;
568		976
569	while (my ($name, $id) = each %cb_id) {	977	while (my ($name, $id) = each %cb_id) {
…		…
574		982
575	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
576	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
577		985
578	} elsif (ref $type) {	986	} elsif (ref $type) {
579	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
580		988
581	} else {	989	} else {
582	shift @arg;	990	shift @arg;
583	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
584	}	992	}
585	}	993	}
586	}	994	}
587		995
588	sub _object_attach {	996	sub _object_attach {
…		…
598	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
599	}	1007	}
600		1008
601	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
602	} else {	1010	} else {
603	warn "object uses attachment '$name' that is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
604	}	1012	}
605		1013
606	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
607	}	1015	}
608		1016
…		…
610	if (ref $_[0]) {	1018	if (ref $_[0]) {
611	_object_attach @_;	1019	_object_attach @_;
612	} else {	1020	} else {
613	_attach shift->_attach_registry, @_;	1021	_attach shift->_attach_registry, @_;
614	}	1022	}
		1023	_recalc_want;
615	};	1024	};
616		1025
617	# all those should be optimised	1026	# all those should be optimised
618	sub cf::attachable::detach {	1027	sub cf::attachable::detach {
619	my ($obj, $name) = @_;	1028	my ($obj, $name) = @_;
…		…
622	delete $obj->{_attachment}{$name};	1031	delete $obj->{_attachment}{$name};
623	reattach ($obj);	1032	reattach ($obj);
624	} else {	1033	} else {
625	Carp::croak "cannot, currently, detach class attachments";	1034	Carp::croak "cannot, currently, detach class attachments";
626	}	1035	}
		1036	_recalc_want;
627	};	1037	};
628		1038
629	sub cf::attachable::attached {	1039	sub cf::attachable::attached {
630	my ($obj, $name) = @_;	1040	my ($obj, $name) = @_;
631		1041
…		…
646	";	1056	";
647	die if $@;	1057	die if $@;
648	}	1058	}
649		1059
650	our $override;	1060	our $override;
651	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1061	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
652		1062
653	sub override {	1063	sub override {
654	$override = 1;	1064	$override = 1;
655	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
656	}	1066	}
657		1067
658	sub do_invoke {	1068	sub do_invoke {
659	my $event = shift;	1069	my $event = shift;
660	my $callbacks = shift;	1070	my $callbacks = shift;
661		1071
662	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
663		1073
664	local $override;	1074	local $override;
665		1075
666	for (@$callbacks) {	1076	for (@$callbacks) {
667	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
668		1078
669	if ($@) {	1079	if ($@) {
670	warn "$@";
671	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
672	override;	1081	override;
673	}	1082	}
674		1083
675	return 1 if $override;	1084	return 1 if $override;
676	}	1085	}
677		1086
678	0	1087	0
679	}	1088	}
680		1089
681	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
682		1091
683	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
684		1093
685	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
686		1095
687	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1096	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
688	removed in future versions), and there is no public API to access override	1097	removed in future versions), and there is no public API to access override
689	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
690		1099
691	=back	1100	=back
692		1101
693	=cut	1102	=cut
694		1103
695	#############################################################################	1104	#############################################################################
696	# object support	1105	# object support
		1106
		1107	sub _object_equal($$);
		1108	sub _object_equal($$) {
		1109	my ($a, $b) = @_;
		1110
		1111	return 0 unless (ref $a) eq (ref $b);
		1112
		1113	if ("HASH" eq ref $a) {
		1114	my @ka = keys %$a;
		1115	my @kb = keys %$b;
		1116
		1117	return 0 if @ka != @kb;
		1118
		1119	for (0 .. $#ka) {
		1120	return 0 unless $ka[$_] eq $kb[$_];
		1121	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1122	}
		1123
		1124	} elsif ("ARRAY" eq ref $a) {
		1125
		1126	return 0 if @$a != @$b;
		1127
		1128	for (0 .. $#$a) {
		1129	return 0 unless _object_equal $a->[$_], $b->[$_];
		1130	}
		1131
		1132	} elsif ($a ne $b) {
		1133	return 0;
		1134	}
		1135
		1136	1
		1137	}
		1138
		1139	our $SLOW_MERGES;#d#
		1140	sub _can_merge {
		1141	my ($ob1, $ob2) = @_;
		1142
		1143	++$SLOW_MERGES;#d#
		1144
		1145	# we do the slow way here
		1146	return _object_equal $ob1, $ob2
		1147	}
697		1148
698	sub reattach {	1149	sub reattach {
699	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
700	my ($obj) = @_;	1151	my ($obj) = @_;
701		1152
		1153	# no longer needed after getting rid of delete_package?
702	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1154	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
703		1155
704	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
705		1157
706	@$registry = ();	1158	@$registry = ();
707		1159
…		…
712	for (@$attach) {	1164	for (@$attach) {
713	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
714	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
715	}	1167	}
716	} else {	1168	} else {
717	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
718	}	1170	}
719	}	1171	}
720	}	1172	}
721		1173
722	cf::attachable->attach (	1174	cf::attachable->attach (
723	prio => -1000000,	1175	prio => -1000000,
724	on_instantiate => sub {	1176	on_instantiate => sub {
725	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
726		1178
727	$data = from_json $data;	1179	$data = decode_json $data;
728		1180
729	for (@$data) {	1181	for (@$data) {
730	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
731		1183
732	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
748	sub object_freezer_save {	1200	sub object_freezer_save {
749	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
750		1202
751	sync_job {	1203	sync_job {
752	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
753	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
754	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
755		1209
756	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
758	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
759	aio_fsync $fh if $cf::USE_FSYNC;	1213	if ($cf::USE_FSYNC) {
		1214	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1215	aio_fsync $fh;
		1216	}
760	close $fh;	1217	aio_close $fh;
761		1218
762	if (@$objs) {	1219	if (@$objs) {
763	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1220	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
765	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
766	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
767	aio_fsync $fh if $cf::USE_FSYNC;	1224	if ($cf::USE_FSYNC) {
		1225	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1226	aio_fsync $fh;
		1227	}
768	close $fh;	1228	aio_close $fh;
769	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
770	}	1230	}
771	} else {	1231	} else {
772	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
773	}	1233	}
774		1234
775	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
776	} else {	1239	} else {
777	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
778	}	1241	}
779	} else {	1242	} else {
780	aio_unlink $filename;	1243	aio_unlink $filename;
781	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
782	}	1245	}
783
784	#d##TODO# nuke non .map-files if exist
785	if ($filename =~ s/\.map$//) {
786	aio_unlink $filename;
787	aio_unlink "$filename.pst";
788	}
789	}	1246	};
790	}	1247	}
791		1248
792	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
793	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
794		1251
…		…
799		1256
800	sub object_thawer_load {	1257	sub object_thawer_load {
801	my ($filename) = @_;	1258	my ($filename) = @_;
802		1259
803	my ($data, $av);	1260	my ($data, $av);
804
805	#d#TODO remove .map if file does not exist
806	aio_stat $filename and $filename =~ s/\.map$//;
807		1261
808	(aio_load $filename, $data) >= 0	1262	(aio_load $filename, $data) >= 0
809	or return;	1263	or return;
810		1264
811	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
813	or return;	1267	or return;
		1268
814	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
815	}	1271	}
816		1272
		1273	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
819	return ($data, $av);	1278	($data, $av)
820	}	1279	}
		1280
		1281	=head2 COMMAND CALLBACKS
		1282
		1283	=over 4
		1284
		1285	=cut
821		1286
822	#############################################################################	1287	#############################################################################
823	# command handling &c	1288	# command handling &c
824		1289
825	=item cf::register_command $name => \&callback($ob,$args);	1290	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1304	}
840		1305
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1307
843	Register a callbackf ro execution when the client sends an extcmd packet.	1308	Register a callback for execution when the client sends an (synchronous)
		1309	extcmd packet. Ext commands will be processed in the order they are
		1310	received by the server, like other user commands. The first argument is
		1311	the logged-in player. Ext commands can only be processed after a player
		1312	has logged in successfully.
844		1313
845	If the callback returns something, it is sent back as if reply was being	1314	If the callback returns something, it is sent back as if reply was being
846	called.	1315	called.
847		1316
		1317	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1318
		1319	Register a callback for execution when the client sends an (asynchronous)
		1320	exticmd packet. Exti commands are processed by the server as soon as they
		1321	are received, i.e. out of order w.r.t. other commands. The first argument
		1322	is a client socket. Exti commands can be received anytime, even before
		1323	log-in.
		1324
		1325	If the callback returns something, it is sent back as if reply was being
		1326	called.
		1327
848	=cut	1328	=cut
849		1329
850	sub register_extcmd {	1330	sub register_extcmd {
851	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
852		1332
853	$EXTCMD{$name} = $cb;	1333	$EXTCMD{$name} = $cb;
854	}	1334	}
855		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
		1343
856	cf::player->attach (	1344	cf::player->attach (
857	on_command => sub {	1345	on_unknown_command => sub {
858	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
859		1347
860	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
861	or return;	1349	or return;
862		1350
…		…
867	cf::override;	1355	cf::override;
868	},	1356	},
869	on_extcmd => sub {	1357	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
871		1359
872	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1361
874	if (ref $msg) {	1362	if (ref $msg) {
		1363	my ($type, $reply, @payload) =
		1364	"ARRAY" eq ref $msg
		1365	? @$msg
		1366	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1367
		1368	my @reply;
		1369
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
880	} else {	1377	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1379	}
883		1380
884	cf::override;	1381	cf::override;
885	},	1382	},
886	);	1383	);
887		1384
		1385	# "readahead" all extensions
888	sub load_extension {	1386	sub cache_extensions {
889	my ($path) = @_;	1387	my $grp = IO::AIO::aio_group;
890		1388
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
892	my $base = $1;	1390	for (grep /\.ext$/, @{$_[0]}) {
893	my $pkg = $1;	1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}	1392	}
916	die $@;
917	}	1393	};
918		1394
919	push @EXTS, $pkg;	1395	$grp
920	}	1396	}
921		1397
922	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
		1401	cf::sync_job {
		1402	my %todo;
		1403
923	for my $ext (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1405	next unless -r $path;
925	eval {	1406
926	load_extension $ext;	1407	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1408	my $base = $1;
		1409	my $pkg = $1;
		1410	$pkg =~ s/[^[:word:]]/_/g;
		1411	$pkg = "ext::$pkg";
		1412
		1413	open my $fh, "<:utf8", $path
		1414	or die "$path: $!";
		1415
		1416	my $source = do { local $/; <$fh> };
		1417
		1418	my %ext = (
		1419	path => $path,
		1420	base => $base,
		1421	pkg => $pkg,
		1422	);
		1423
		1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1426
		1427	$ext{source} =
		1428	"package $pkg; use common::sense;\n"
		1429	. "#line 1 \"$path\"\n{\n"
		1430	. $source
		1431	. "\n};\n1";
		1432
		1433	$todo{$base} = \%ext;
		1434	}
		1435
		1436	my $pass = 0;
		1437	my %done;
		1438	while (%todo) {
		1439	my $progress;
		1440
		1441	++$pass;
		1442
		1443	ext:
		1444	while (my ($k, $v) = each %todo) {
		1445	for (split /,\s*/, $v->{meta}{depends}) {
		1446	next ext
		1447	unless exists $done{$_};
		1448	}
		1449
		1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1451
		1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
		1455	error "$v->{path}: $@\n";
		1456	undef $@; # work around perl 5.10.0 utf-8 caching bug
		1457
		1458	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1459	if exists $v->{meta}{mandatory};
		1460
		1461	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1462	delete $todo{$k};
		1463	} else {
		1464	$done{$k} = delete $todo{$k};
		1465	push @EXTS, $v->{pkg};
		1466	$progress = 1;
		1467
		1468	info "$v->{base}: extension inactive.\n"
		1469	unless $active;
		1470	}
927	1	1471	}
928	} or warn "$ext not loaded: $@";	1472
		1473	unless ($progress) {
		1474	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1475
		1476	while (my ($k, $v) = each %todo) {
		1477	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1478	if exists $v->{meta}{mandatory};
		1479	}
		1480	}
		1481	}
929	}	1482	};
930	}	1483	}
931		1484
932	#############################################################################	1485	#############################################################################
933		1486
		1487	=back
		1488
934	=head2 CORE EXTENSIONS	1489	=head2 CORE EXTENSIONS
935		1490
936	Functions and methods that extend core crossfire objects.	1491	Functions and methods that extend core deliantra objects.
937		1492
938	=cut	1493	=cut
939		1494
940	package cf::player;	1495	package cf::player;
941		1496
…		…
943		1498
944	=head3 cf::player	1499	=head3 cf::player
945		1500
946	=over 4	1501	=over 4
947		1502
		1503	=item cf::player::num_playing
		1504
		1505	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1506
		1507	=cut
		1508
		1509	sub num_playing {
		1510	scalar grep
		1511	$_->ob->map
		1512	&& !$_->hidden
		1513	&& !$_->ob->flag (cf::FLAG_WIZ),
		1514	cf::player::list
		1515	}
		1516
948	=item cf::player::find $login	1517	=item cf::player::find $login
949		1518
950	Returns the given player object, loading it if necessary (might block).	1519	Returns the given player object, loading it if necessary (might block).
951		1520
952	=cut	1521	=cut
953		1522
954	sub playerdir($) {	1523	sub playerdir($) {
955	cf::localdir	1524	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1525	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1526	}
961		1527
962	sub path($) {	1528	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1529	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1530
965	(playerdir $login) . "/$login.pl"	1531	(playerdir $login) . "/playerdata"
966	}	1532	}
967		1533
968	sub find_active($) {	1534	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1535	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1536	and $cf::PLAYER{$_[0]}->active
…		…
973		1539
974	sub exists($) {	1540	sub exists($) {
975	my ($login) = @_;	1541	my ($login) = @_;
976		1542
977	$cf::PLAYER{$login}	1543	$cf::PLAYER{$login}
978	or cf::sync_job { !aio_stat path $login }	1544	or !aio_stat path $login
979	}	1545	}
980		1546
981	sub find($) {	1547	sub find($) {
982	return $cf::PLAYER{$_[0]} || do {	1548	return $cf::PLAYER{$_[0]} || do {
983	my $login = $_[0];	1549	my $login = $_[0];
984		1550
985	my $guard = cf::lock_acquire "user_find:$login";	1551	my $guard = cf::lock_acquire "user_find:$login";
986		1552
987	$cf::PLAYER{$_[0]} || do {	1553	$cf::PLAYER{$_[0]} || do {
988	my $pl = load_pl path $login	1554	# rename old playerfiles to new ones
		1555	#TODO: remove when no longer required
		1556	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1557	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1558	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1559	aio_unlink +(playerdir $login) . "/$login.pl";
		1560
		1561	my $f = new_from_file cf::object::thawer path $login
989	or return;	1562	or return;
		1563
		1564	my $pl = cf::player::load_pl $f
		1565	or return;
		1566
		1567	local $cf::PLAYER_LOADING{$login} = $pl;
		1568	$f->resolve_delayed_derefs;
990	$cf::PLAYER{$login} = $pl	1569	$cf::PLAYER{$login} = $pl
991	}	1570	}
992	}	1571	}
993	}	1572	}
		1573
		1574	cf::player->attach (
		1575	on_load => sub {
		1576	my ($pl, $path) = @_;
		1577
		1578	# restore slots saved in save, below
		1579	my $slots = delete $pl->{_slots};
		1580
		1581	$pl->ob->current_weapon ($slots->[0]);
		1582	$pl->combat_ob ($slots->[1]);
		1583	$pl->ranged_ob ($slots->[2]);
		1584	},
		1585	);
994		1586
995	sub save($) {	1587	sub save($) {
996	my ($pl) = @_;	1588	my ($pl) = @_;
997		1589
998	return if $pl->{deny_save};	1590	return if $pl->{deny_save};
…		…
1003	return if $pl->{deny_save};	1595	return if $pl->{deny_save};
1004		1596
1005	aio_mkdir playerdir $pl, 0770;	1597	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1598	$pl->{last_save} = $cf::RUNTIME;
1007		1599
		1600	cf::get_slot 0.01;
		1601
		1602	# save slots, to be restored later
		1603	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1604
1008	$pl->save_pl ($path);	1605	$pl->save_pl ($path);
1009	Coro::cede;	1606	cf::cede_to_tick;
1010	}	1607	}
1011		1608
1012	sub new($) {	1609	sub new($) {
1013	my ($login) = @_;	1610	my ($login) = @_;
1014		1611
…		…
1020	$cf::PLAYER{$login} = $self;	1617	$cf::PLAYER{$login} = $self;
1021		1618
1022	$self	1619	$self
1023	}	1620	}
1024		1621
		1622	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1623
		1624	=cut
		1625
		1626	sub send_msg {
		1627	my $ns = shift->ns
		1628	or return;
		1629	$ns->send_msg (@_);
		1630	}
		1631
1025	=item $pl->quit_character	1632	=item $pl->quit_character
1026		1633
1027	Nukes the player without looking back. If logged in, the connection will	1634	Nukes the player without looking back. If logged in, the connection will
1028	be destroyed. May block for a long time.	1635	be destroyed. May block for a long time.
1029		1636
1030	=cut	1637	=cut
1031		1638
1032	sub quit_character {	1639	sub quit_character {
1033	my ($pl) = @_;	1640	my ($pl) = @_;
1034		1641
		1642	my $name = $pl->ob->name;
		1643
1035	$pl->{deny_save} = 1;	1644	$pl->{deny_save} = 1;
1036	$pl->password ("*"); # this should lock out the player until we nuked the dir	1645	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1037		1646
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1647	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1039	$pl->deactivate;	1648	$pl->deactivate;
		1649	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1040	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1650	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1041	$pl->ns->destroy if $pl->ns;	1651	$pl->ns->destroy if $pl->ns;
1042		1652
1043	my $path = playerdir $pl;	1653	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1654	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1655	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1656	delete $cf::PLAYER{$pl->ob->name};
1047	$pl->destroy;	1657	$pl->destroy;
		1658
		1659	my $prefix = qr<^~\Q$name\E/>;
		1660
		1661	# nuke player maps
		1662	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1663
1048	IO::AIO::aio_rmtree $temp;	1664	IO::AIO::aio_rmtree $temp;
		1665	}
		1666
		1667	=item $pl->kick
		1668
		1669	Kicks a player out of the game. This destroys the connection.
		1670
		1671	=cut
		1672
		1673	sub kick {
		1674	my ($pl, $kicker) = @_;
		1675
		1676	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1677	$pl->killer ("kicked");
		1678	$pl->ns->destroy;
1049	}	1679	}
1050		1680
1051	=item cf::player::list_logins	1681	=item cf::player::list_logins
1052		1682
1053	Returns am arrayref of all valid playernames in the system, can take a	1683	Returns am arrayref of all valid playernames in the system, can take a
1054	while and may block, so not sync_job-capable, ever.	1684	while and may block, so not sync_job-capable, ever.
1055		1685
1056	=cut	1686	=cut
1057		1687
1058	sub list_logins {	1688	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1689	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1690	or return [];
1061		1691
1062	my @logins;	1692	my @logins;
1063		1693
1064	for my $login (@$dirs) {	1694	for my $login (@$dirs) {
		1695	my $path = path $login;
		1696
		1697	# a .pst is a dead give-away for a valid player
		1698	# if no pst file found, open and chekc for blocked users
		1699	if (aio_stat "$path.pst") {
1065	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1700	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1066	aio_read $fh, 0, 512, my $buf, 0 or next;	1701	aio_read $fh, 0, 512, my $buf, 0 or next;
1067	$buf !~ /^password -------------$/m or next; # official not-valid tag	1702	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1703	}
1068		1704
1069	utf8::decode $login;	1705	utf8::decode $login;
1070	push @logins, $login;	1706	push @logins, $login;
1071	}	1707	}
1072		1708
1073	\@logins	1709	\@logins
1074	}	1710	}
1075		1711
1076	=item $player->maps	1712	=item $player->maps
		1713
		1714	=item cf::player::maps $login
1077		1715
1078	Returns an arrayref of map paths that are private for this	1716	Returns an arrayref of map paths that are private for this
1079	player. May block.	1717	player. May block.
1080		1718
1081	=cut	1719	=cut
…		…
1099	}	1737	}
1100		1738
1101	\@paths	1739	\@paths
1102	}	1740	}
1103		1741
		1742	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1743
		1744	Expand deliantra pod fragments into protocol xml.
		1745
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1746	=item $player->ext_reply ($msgid, @msg)
1105		1747
1106	Sends an ext reply to the player.	1748	Sends an ext reply to the player.
1107		1749
1108	=cut	1750	=cut
1109		1751
1110	sub ext_reply($$$%) {	1752	sub ext_reply($$@) {
1111	my ($self, $id, %msg) = @_;	1753	my ($self, $id, @msg) = @_;
1112		1754
1113	$msg{msgid} = $id;	1755	$self->ns->ext_reply ($id, @msg)
1114
1115	$self->send ("ext " . cf::to_json \%msg);
1116	}	1756	}
1117		1757
1118	package cf;	1758	=item $player->ext_msg ($type, @msg)
		1759
		1760	Sends an ext event to the client.
		1761
		1762	=cut
		1763
		1764	sub ext_msg($$@) {
		1765	my ($self, $type, @msg) = @_;
		1766
		1767	$self->ns->ext_msg ($type, @msg);
		1768	}
		1769
		1770	=head3 cf::region
		1771
		1772	=over 4
		1773
		1774	=cut
		1775
		1776	package cf::region;
		1777
		1778	=item cf::region::find_by_path $path
		1779
		1780	Tries to decuce the likely region for a map knowing only its path.
		1781
		1782	=cut
		1783
		1784	sub find_by_path($) {
		1785	my ($path) = @_;
		1786
		1787	$path =~ s/^~[^\/]*//; # skip ~login
		1788
		1789	my ($match, $specificity);
		1790
		1791	for my $region (list) {
		1792	if ($region->{match} && $path =~ $region->{match}) {
		1793	($match, $specificity) = ($region, $region->specificity)
		1794	if $region->specificity > $specificity;
		1795	}
		1796	}
		1797
		1798	$match
		1799	}
1119		1800
1120	=back	1801	=back
1121
1122		1802
1123	=head3 cf::map	1803	=head3 cf::map
1124		1804
1125	=over 4	1805	=over 4
1126		1806
…		…
1138	our $MAX_RESET = 3600;	1818	our $MAX_RESET = 3600;
1139	our $DEFAULT_RESET = 3000;	1819	our $DEFAULT_RESET = 3000;
1140		1820
1141	sub generate_random_map {	1821	sub generate_random_map {
1142	my ($self, $rmp) = @_;	1822	my ($self, $rmp) = @_;
		1823
		1824	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1825
1143	# mit "rum" bekleckern, nicht	1826	# mit "rum" bekleckern, nicht
1144	$self->_create_random_map (	1827	$self->_create_random_map (
1145	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1828	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1146	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1829	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1147	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1830	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1148	$rmp->{exit_on_final_map},	1831	$rmp->{exit_on_final_map},
1149	$rmp->{xsize}, $rmp->{ysize},	1832	$rmp->{xsize}, $rmp->{ysize},
1150	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1833	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1151	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1834	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1166		1849
1167	sub register {	1850	sub register {
1168	my (undef, $regex, $prio) = @_;	1851	my (undef, $regex, $prio) = @_;
1169	my $pkg = caller;	1852	my $pkg = caller;
1170		1853
1171	no strict;
1172	push @{"$pkg\::ISA"}, __PACKAGE__;	1854	push @{"$pkg\::ISA"}, __PACKAGE__;
1173		1855
1174	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1856	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1175	}	1857	}
1176		1858
1177	# also paths starting with '/'	1859	# also paths starting with '/'
1178	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1860	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1179		1861
1180	sub thawer_merge {	1862	sub thawer_merge {
1181	my ($self, $merge) = @_;	1863	my ($self, $merge) = @_;
1182		1864
1183	# we have to keep some variables in memory intact	1865	# we have to keep some variables in memory intact
1184	local $self->{path};	1866	local $self->{path};
1185	local $self->{load_path};	1867	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1868
1189	$self->SUPER::thawer_merge ($merge);	1869	$self->SUPER::thawer_merge ($merge);
1190	}	1870	}
1191		1871
1192	sub normalise {	1872	sub normalise {
…		…
1239	$self->init; # pass $1 etc.	1919	$self->init; # pass $1 etc.
1240	return $self;	1920	return $self;
1241	}	1921	}
1242	}	1922	}
1243		1923
1244	Carp::carp "unable to resolve path '$path' (base '$base').";	1924	Carp::cluck "unable to resolve path '$path' (base '$base').";
1245	()	1925	()
1246	}	1926	}
1247		1927
1248	sub init {	1928	sub init {
1249	my ($self) = @_;	1929	my ($self) = @_;
…		…
1264		1944
1265	# the original (read-only) location	1945	# the original (read-only) location
1266	sub load_path {	1946	sub load_path {
1267	my ($self) = @_;	1947	my ($self) = @_;
1268		1948
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1949	"$MAPDIR/$self->{path}.map"
1270	}	1950	}
1271		1951
1272	# the temporary/swap location	1952	# the temporary/swap location
1273	sub save_path {	1953	sub save_path {
1274	my ($self) = @_;	1954	my ($self) = @_;
1275		1955
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1956	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1957	"$TMPDIR/$path.map"
1278	}	1958	}
1279		1959
1280	# the unique path, undef == no special unique path	1960	# the unique path, undef == no special unique path
1281	sub uniq_path {	1961	sub uniq_path {
1282	my ($self) = @_;	1962	my ($self) = @_;
1283		1963
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1964	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1965	"$UNIQUEDIR/$path"
1286	}	1966	}
1287		1967
1288	# and all this just because we cannot iterate over	1968	sub decay_objects {
1289	# all maps in C++...
1290	sub change_all_map_light {
1291	my ($change) = @_;	1969	my ($self) = @_;
1292		1970
1293	$_->change_map_light ($change)	1971	return if $self->{deny_reset};
1294	for grep $_->outdoor, values %cf::MAP;	1972
		1973	$self->do_decay_objects;
1295	}	1974	}
1296		1975
1297	sub unlink_save {	1976	sub unlink_save {
1298	my ($self) = @_;	1977	my ($self) = @_;
1299		1978
1300	utf8::encode (my $save = $self->save_path);	1979	utf8::encode (my $save = $self->save_path);
1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1980	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1981	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1303
1304	#d#TODO remove .map and also nuke
1305	$save =~ s/\.map// or return;#d#
1306	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1308	}	1982	}
1309		1983
1310	sub load_header_from($) {	1984	sub load_header_from($) {
1311	my ($self, $path) = @_;	1985	my ($self, $path) = @_;
1312		1986
1313	utf8::encode $path;	1987	utf8::encode $path;
1314	#aio_open $path, O_RDONLY, 0	1988	my $f = new_from_file cf::object::thawer $path
1315	# or return;
1316
1317	$self->_load_header ($path)
1318	or return;	1989	or return;
		1990
		1991	$self->_load_header ($f)
		1992	or return;
		1993
		1994	local $MAP_LOADING{$self->{path}} = $self;
		1995	$f->resolve_delayed_derefs;
1319		1996
1320	$self->{load_path} = $path;	1997	$self->{load_path} = $path;
1321		1998
1322	1	1999	1
1323	}	2000	}
…		…
1362	$self->load_header_orig	2039	$self->load_header_orig
1363	or return;	2040	or return;
1364	$self->prepare_orig;	2041	$self->prepare_orig;
1365	}	2042	}
1366		2043
		2044	$self->{deny_reset} = 1
		2045	if $self->no_reset;
		2046
		2047	$self->default_region (cf::region::find_by_path $self->{path})
		2048	unless $self->default_region;
		2049
1367	1	2050	1
1368	}	2051	}
1369		2052
1370	sub find;	2053	sub find;
1371	sub find {	2054	sub find {
1372	my ($path, $origin) = @_;	2055	my ($path, $origin) = @_;
1373		2056
1374	$path = normalise $path, $origin && $origin->path;	2057	$path = normalise $path, $origin && $origin->path;
1375		2058
		2059	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1376	cf::lock_wait "map_find:$path";	2060	my $guard2 = cf::lock_acquire "map_find:$path";
1377		2061
1378	$cf::MAP{$path} || do {	2062	$cf::MAP{$path} || do {
1379	my $guard = cf::lock_acquire "map_find:$path";
1380	my $map = new_from_path cf::map $path	2063	my $map = new_from_path cf::map $path
1381	or return;	2064	or return;
1382		2065
1383	$map->{last_save} = $cf::RUNTIME;	2066	$map->{last_save} = $cf::RUNTIME;
1384		2067
1385	$map->load_header	2068	$map->load_header
1386	or return;	2069	or return;
1387		2070
1388	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2071	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1389	# doing this can freeze the server in a sync job, obviously	2072	# doing this can freeze the server in a sync job, obviously
1390	#$cf::WAIT_FOR_TICK->wait;	2073	#$cf::WAIT_FOR_TICK->wait;
		2074	undef $guard2;
		2075	undef $guard1;
1391	$map->reset;	2076	$map->reset;
1392	undef $guard;
1393	return find $path;	2077	return find $path;
1394	}	2078	}
1395		2079
1396	$cf::MAP{$path} = $map	2080	$cf::MAP{$path} = $map
1397	}	2081	}
1398	}	2082	}
1399		2083
1400	sub pre_load { }	2084	sub pre_load { }
1401	sub post_load { }	2085	#sub post_load { } # XS
1402		2086
1403	sub load {	2087	sub load {
1404	my ($self) = @_;	2088	my ($self) = @_;
1405		2089
1406	local $self->{deny_reset} = 1; # loading can take a long time	2090	local $self->{deny_reset} = 1; # loading can take a long time
1407		2091
1408	my $path = $self->{path};	2092	my $path = $self->{path};
		2093
		2094	{
1409	my $guard = cf::lock_acquire "map_load:$path";	2095	my $guard = cf::lock_acquire "map_data:$path";
1410		2096
		2097	return unless $self->valid;
1411	return if $self->in_memory != cf::MAP_SWAPPED;	2098	return unless $self->in_memory == cf::MAP_SWAPPED;
1412		2099
1413	$self->in_memory (cf::MAP_LOADING);	2100	$self->in_memory (cf::MAP_LOADING);
1414		2101
1415	$self->alloc;	2102	$self->alloc;
1416		2103
1417	$self->pre_load;	2104	$self->pre_load;
		2105	cf::cede_to_tick;
1418		2106
1419	$self->_load_objects ($self->{load_path}, 1)	2107	my $f = new_from_file cf::object::thawer $self->{load_path};
		2108	$f->skip_block;
		2109	$self->_load_objects ($f)
1420	or return;	2110	or return;
1421		2111
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2112	$self->post_load_original
1423	if delete $self->{load_original};	2113	if delete $self->{load_original};
1424		2114
1425	if (my $uniq = $self->uniq_path) {	2115	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	2116	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	2117	unless (aio_stat $uniq) {
		2118	if (my $f = new_from_file cf::object::thawer $uniq) {
1428	$self->clear_unique_items;	2119	$self->clear_unique_items;
1429	$self->_load_objects ($uniq, 0);	2120	$self->_load_objects ($f);
		2121	$f->resolve_delayed_derefs;
		2122	}
1430	}	2123	}
1431	}	2124	}
1432		2125
1433	Coro::cede;	2126	$f->resolve_delayed_derefs;
1434		2127
		2128	cf::cede_to_tick;
1435	# now do the right thing for maps	2129	# now do the right thing for maps
1436	$self->link_multipart_objects;	2130	$self->link_multipart_objects;
1437
1438	unless ($self->{deny_activate}) {
1439	$self->decay_objects;
1440	$self->fix_auto_apply;
1441	$self->update_buttons;
1442	Coro::cede;
1443	$self->set_darkness_map;
1444	$self->difficulty ($self->estimate_difficulty)	2131	$self->difficulty ($self->estimate_difficulty)
1445	unless $self->difficulty;	2132	unless $self->difficulty;
1446	Coro::cede;	2133	cf::cede_to_tick;
		2134
		2135	unless ($self->{deny_activate}) {
		2136	$self->decay_objects;
		2137	$self->fix_auto_apply;
		2138	$self->update_buttons;
		2139	cf::cede_to_tick;
1447	$self->activate;	2140	$self->activate;
		2141	}
		2142
		2143	$self->{last_save} = $cf::RUNTIME;
		2144	$self->last_access ($cf::RUNTIME);
		2145
		2146	$self->in_memory (cf::MAP_ACTIVE);
1448	}	2147	}
1449		2148
1450	$self->post_load;	2149	$self->post_load;
1451
1452	$self->in_memory (cf::MAP_IN_MEMORY);
1453	}	2150	}
1454		2151
		2152	# customize the map for a given player, i.e.
		2153	# return the _real_ map. used by e.g. per-player
		2154	# maps to change the path to ~playername/mappath
1455	sub customise_for {	2155	sub customise_for {
1456	my ($self, $ob) = @_;	2156	my ($self, $ob) = @_;
1457		2157
1458	return find "~" . $ob->name . "/" . $self->{path}	2158	return find "~" . $ob->name . "/" . $self->{path}
1459	if $self->per_player;	2159	if $self->per_player;
1460		2160
		2161	# return find "?party/" . $ob->name . "/" . $self->{path}
		2162	# if $self->per_party;
		2163
1461	$self	2164	$self
1462	}	2165	}
1463		2166
1464	# find and load all maps in the 3x3 area around a map	2167	# find and load all maps in the 3x3 area around a map
1465	sub load_diag {	2168	sub load_neighbours {
1466	my ($map) = @_;	2169	my ($map) = @_;
1467		2170
1468	my @diag; # diagonal neighbours	2171	my @neigh; # diagonal neighbours
1469		2172
1470	for (0 .. 3) {	2173	for (0 .. 3) {
1471	my $neigh = $map->tile_path ($_)	2174	my $neigh = $map->tile_path ($_)
1472	or next;	2175	or next;
1473	$neigh = find $neigh, $map	2176	$neigh = find $neigh, $map
1474	or next;	2177	or next;
1475	$neigh->load;	2178	$neigh->load;
1476		2179
		2180	# now find the diagonal neighbours
		2181	push @neigh,
1477	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2182	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1478	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2183	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1479	}	2184	}
1480		2185
1481	for (@diag) {	2186	for (grep defined $_->[0], @neigh) {
		2187	my ($path, $origin) = @$_;
1482	my $neigh = find @$_	2188	my $neigh = find $path, $origin
1483	or next;	2189	or next;
1484	$neigh->load;	2190	$neigh->load;
1485	}	2191	}
1486	}	2192	}
1487		2193
1488	sub find_sync {	2194	sub find_sync {
1489	my ($path, $origin) = @_;	2195	my ($path, $origin) = @_;
1490		2196
1491	cf::sync_job { find $path, $origin }	2197	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2198	if $Coro::current == $Coro::main;
		2199
		2200	find $path, $origin
1492	}	2201	}
1493		2202
1494	sub do_load_sync {	2203	sub do_load_sync {
1495	my ($map) = @_;	2204	my ($map) = @_;
1496		2205
1497	cf::sync_job { $map->load };	2206	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2207	if $Coro::current == $Coro::main;
		2208
		2209	$map->load;
1498	}	2210	}
1499		2211
1500	our %MAP_PREFETCH;	2212	our %MAP_PREFETCH;
1501	our $MAP_PREFETCHER = undef;	2213	our $MAP_PREFETCHER = undef;
1502		2214
1503	sub find_async {	2215	sub find_async {
1504	my ($path, $origin) = @_;	2216	my ($path, $origin, $load) = @_;
1505		2217
1506	$path = normalise $path, $origin && $origin->{path};	2218	$path = normalise $path, $origin && $origin->{path};
1507		2219
1508	if (my $map = $cf::MAP{$path}) {	2220	if (my $map = $cf::MAP{$path}) {
1509	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2221	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1510	}	2222	}
1511		2223
1512	undef $MAP_PREFETCH{$path};	2224	$MAP_PREFETCH{$path} |= $load;
		2225
1513	$MAP_PREFETCHER ||= cf::async {	2226	$MAP_PREFETCHER ||= cf::async {
		2227	$Coro::current->{desc} = "map prefetcher";
		2228
1514	while (%MAP_PREFETCH) {	2229	while (%MAP_PREFETCH) {
1515	for my $path (keys %MAP_PREFETCH) {	2230	while (my ($k, $v) = each %MAP_PREFETCH) {
1516	my $map = find $path	2231	if (my $map = find $k) {
1517	or next;
1518	$map->load;	2232	$map->load if $v;
		2233	}
1519		2234
1520	delete $MAP_PREFETCH{$path};	2235	delete $MAP_PREFETCH{$k};
1521	}	2236	}
1522	}	2237	}
1523	undef $MAP_PREFETCHER;	2238	undef $MAP_PREFETCHER;
1524	};	2239	};
1525	$MAP_PREFETCHER->prio (6);	2240	$MAP_PREFETCHER->prio (6);
1526		2241
1527	()	2242	()
1528	}	2243	}
1529		2244
		2245	# common code, used by both ->save and ->swapout
1530	sub save {	2246	sub _save {
1531	my ($self) = @_;	2247	my ($self) = @_;
1532
1533	my $lock = cf::lock_acquire "map_data:" . $self->path;
1534		2248
1535	$self->{last_save} = $cf::RUNTIME;	2249	$self->{last_save} = $cf::RUNTIME;
1536		2250
1537	return unless $self->dirty;	2251	return unless $self->dirty;
1538		2252
…		…
1544	return if $self->{deny_save};	2258	return if $self->{deny_save};
1545		2259
1546	local $self->{last_access} = $self->last_access;#d#	2260	local $self->{last_access} = $self->last_access;#d#
1547		2261
1548	cf::async {	2262	cf::async {
		2263	$Coro::current->{desc} = "map player save";
1549	$_->contr->save for $self->players;	2264	$_->contr->save for $self->players;
1550	};	2265	};
		2266
		2267	cf::get_slot 0.02;
1551		2268
1552	if ($uniq) {	2269	if ($uniq) {
1553	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2270	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1554	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2271	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1555	} else {	2272	} else {
1556	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2273	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1557	}	2274	}
1558	}	2275	}
1559		2276
		2277	sub save {
		2278	my ($self) = @_;
		2279
		2280	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2281
		2282	$self->_save;
		2283	}
		2284
1560	sub swap_out {	2285	sub swap_out {
1561	my ($self) = @_;	2286	my ($self) = @_;
1562		2287
1563	# save first because save cedes
1564	$self->save;
1565
1566	my $lock = cf::lock_acquire "map_data:" . $self->path;	2288	my $lock = cf::lock_acquire "map_data:$self->{path}";
1567		2289
		2290	return if $self->in_memory != cf::MAP_ACTIVE;
		2291	return if $self->{deny_save};
1568	return if $self->players;	2292	return if $self->players;
1569	return if $self->in_memory != cf::MAP_IN_MEMORY;
1570	return if $self->{deny_save};
1571		2293
		2294	# first deactivate the map and "unlink" it from the core
		2295	$self->deactivate;
		2296	$_->clear_links_to ($self) for values %cf::MAP;
		2297	$self->in_memory (cf::MAP_SWAPPED);
		2298
		2299	# then atomically save
		2300	$self->_save;
		2301
		2302	# then free the map
1572	$self->clear;	2303	$self->clear;
1573	$self->in_memory (cf::MAP_SWAPPED);
1574	}	2304	}
1575		2305
1576	sub reset_at {	2306	sub reset_at {
1577	my ($self) = @_;	2307	my ($self) = @_;
1578		2308
1579	# TODO: safety, remove and allow resettable per-player maps	2309	# TODO: safety, remove and allow resettable per-player maps
1580	return 1e99 if $self->isa ("ext::map_per_player");#d#
1581	return 1e99 if $self->{deny_reset};	2310	return 1e99 if $self->{deny_reset};
1582		2311
1583	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2312	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1584	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2313	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1585		2314
…		…
1596	my ($self) = @_;	2325	my ($self) = @_;
1597		2326
1598	my $lock = cf::lock_acquire "map_data:$self->{path}";	2327	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2328
1600	return if $self->players;	2329	return if $self->players;
1601	return if $self->isa ("ext::map_per_player");#d#
1602		2330
1603	warn "resetting map ", $self->path;#d#	2331	cf::trace "resetting map ", $self->path, "\n";
		2332
		2333	$self->in_memory (cf::MAP_SWAPPED);
		2334
		2335	# need to save uniques path
		2336	unless ($self->{deny_save}) {
		2337	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2338
		2339	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2340	if $uniq;
		2341	}
1604		2342
1605	delete $cf::MAP{$self->path};	2343	delete $cf::MAP{$self->path};
1606		2344
1607	$self->in_memory (cf::MAP_SWAPPED);	2345	$self->deactivate;
		2346	$_->clear_links_to ($self) for values %cf::MAP;
1608	$self->clear;	2347	$self->clear;
1609
1610	$_->clear_links_to ($self) for values %cf::MAP;
1611		2348
1612	$self->unlink_save;	2349	$self->unlink_save;
1613	$self->destroy;	2350	$self->destroy;
1614	}	2351	}
1615		2352
1616	my $nuke_counter = "aaaa";	2353	my $nuke_counter = "aaaa";
1617		2354
1618	sub nuke {	2355	sub nuke {
1619	my ($self) = @_;	2356	my ($self) = @_;
1620		2357
		2358	{
		2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2360
1621	delete $cf::MAP{$self->path};	2361	delete $cf::MAP{$self->path};
1622		2362
1623	$self->unlink_save;	2363	$self->unlink_save;
1624		2364
1625	bless $self, "cf::map";	2365	bless $self, "cf::map::wrap";
1626	delete $self->{deny_reset};	2366	delete $self->{deny_reset};
1627	$self->{deny_save} = 1;	2367	$self->{deny_save} = 1;
1628	$self->reset_timeout (1);	2368	$self->reset_timeout (1);
1629	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2369	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1630		2370
1631	$cf::MAP{$self->path} = $self;	2371	$cf::MAP{$self->path} = $self;
		2372	}
1632		2373
1633	$self->reset; # polite request, might not happen	2374	$self->reset; # polite request, might not happen
		2375	}
		2376
		2377	=item $maps = cf::map::tmp_maps
		2378
		2379	Returns an arrayref with all map paths of currently instantiated and saved
		2380	maps. May block.
		2381
		2382	=cut
		2383
		2384	sub tmp_maps() {
		2385	[
		2386	map {
		2387	utf8::decode $_;
		2388	/\.map$/
		2389	? normalise $_
		2390	: ()
		2391	} @{ aio_readdir $TMPDIR or [] }
		2392	]
		2393	}
		2394
		2395	=item $maps = cf::map::random_maps
		2396
		2397	Returns an arrayref with all map paths of currently instantiated and saved
		2398	random maps. May block.
		2399
		2400	=cut
		2401
		2402	sub random_maps() {
		2403	[
		2404	map {
		2405	utf8::decode $_;
		2406	/\.map$/
		2407	? normalise "?random/$_"
		2408	: ()
		2409	} @{ aio_readdir $RANDOMDIR or [] }
		2410	]
1634	}	2411	}
1635		2412
1636	=item cf::map::unique_maps	2413	=item cf::map::unique_maps
1637		2414
1638	Returns an arrayref of paths of all shared maps that have	2415	Returns an arrayref of paths of all shared maps that have
1639	instantiated unique items. May block.	2416	instantiated unique items. May block.
1640		2417
1641	=cut	2418	=cut
1642		2419
1643	sub unique_maps() {	2420	sub unique_maps() {
1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2421	[
1645	or return;	2422	map {
1646
1647	my @paths;
1648
1649	for (@$files) {
1650	utf8::decode $_;	2423	utf8::decode $_;
1651	next if /\.pst$/;	2424	s/\.map$//; # TODO future compatibility hack
1652	next unless /^$PATH_SEP/o;	2425	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1653		2426	? ()
1654	push @paths, cf::map::normalise $_;	2427	: normalise $_
		2428	} @{ aio_readdir $UNIQUEDIR or [] }
1655	}	2429	]
1656
1657	\@paths
1658	}	2430	}
1659		2431
1660	package cf;	2432	=item cf::map::static_maps
		2433
		2434	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2435	file in the shared directory excluding F</styles> and F</editor>). May
		2436	block.
		2437
		2438	=cut
		2439
		2440	sub static_maps() {
		2441	my @dirs = "";
		2442	my @maps;
		2443
		2444	while (@dirs) {
		2445	my $dir = shift @dirs;
		2446
		2447	next if $dir eq "/styles" || $dir eq "/editor";
		2448
		2449	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2450	or return;
		2451
		2452	for (@$files) {
		2453	s/\.map$// or next;
		2454	utf8::decode $_;
		2455	push @maps, "$dir/$_";
		2456	}
		2457
		2458	push @dirs, map "$dir/$_", @$dirs;
		2459	}
		2460
		2461	\@maps
		2462	}
1661		2463
1662	=back	2464	=back
1663		2465
1664	=head3 cf::object	2466	=head3 cf::object
1665		2467
…		…
1669		2471
1670	=over 4	2472	=over 4
1671		2473
1672	=item $ob->inv_recursive	2474	=item $ob->inv_recursive
1673		2475
1674	Returns the inventory of the object _and_ their inventories, recursively.	2476	Returns the inventory of the object I<and> their inventories, recursively,
		2477	but I<not> the object itself.
1675		2478
1676	=cut	2479	=cut
1677		2480
1678	sub inv_recursive_;	2481	sub inv_recursive_;
1679	sub inv_recursive_ {	2482	sub inv_recursive_ {
…		…
1682		2485
1683	sub inv_recursive {	2486	sub inv_recursive {
1684	inv_recursive_ inv $_[0]	2487	inv_recursive_ inv $_[0]
1685	}	2488	}
1686		2489
		2490	=item $ref = $ob->ref
		2491
		2492	Creates and returns a persistent reference to an object that can be stored as a string.
		2493
		2494	=item $ob = cf::object::deref ($refstring)
		2495
		2496	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2497	even if the object actually exists. May block.
		2498
		2499	=cut
		2500
		2501	sub deref {
		2502	my ($ref) = @_;
		2503
		2504	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2505	my ($uuid, $name) = ($1, $2);
		2506	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2507	or return;
		2508	$pl->ob->uuid eq $uuid
		2509	or return;
		2510
		2511	$pl->ob
		2512	} else {
		2513	warn "$ref: cannot resolve object reference\n";
		2514	undef
		2515	}
		2516	}
		2517
1687	package cf;	2518	package cf;
1688		2519
1689	=back	2520	=back
1690		2521
1691	=head3 cf::object::player	2522	=head3 cf::object::player
…		…
1697	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2528	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1698	can be C<undef>. Does the right thing when the player is currently in a	2529	can be C<undef>. Does the right thing when the player is currently in a
1699	dialogue with the given NPC character.	2530	dialogue with the given NPC character.
1700		2531
1701	=cut	2532	=cut
		2533
		2534	our $SAY_CHANNEL = {
		2535	id => "say",
		2536	title => "Map",
		2537	reply => "say ",
		2538	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2539	};
		2540
		2541	our $CHAT_CHANNEL = {
		2542	id => "chat",
		2543	title => "Chat",
		2544	reply => "chat ",
		2545	tooltip => "Player chat and shouts, global to the server.",
		2546	};
1702		2547
1703	# rough implementation of a future "reply" method that works	2548	# rough implementation of a future "reply" method that works
1704	# with dialog boxes.	2549	# with dialog boxes.
1705	#TODO: the first argument must go, split into a $npc->reply_to ( method	2550	#TODO: the first argument must go, split into a $npc->reply_to ( method
1706	sub cf::object::player::reply($$$;$) {	2551	sub cf::object::player::reply($$$;$) {
…		…
1708		2553
1709	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2554	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1710		2555
1711	if ($self->{record_replies}) {	2556	if ($self->{record_replies}) {
1712	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2557	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2558
1713	} else {	2559	} else {
		2560	my $pl = $self->contr;
		2561
		2562	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2563	my $dialog = $pl->{npc_dialog};
		2564	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2565
		2566	} else {
1714	$msg = $npc->name . " says: $msg" if $npc;	2567	$msg = $npc->name . " says: $msg" if $npc;
1715	$self->message ($msg, $flags);	2568	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2569	}
1716	}	2570	}
		2571	}
		2572
		2573	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2574
		2575	=cut
		2576
		2577	sub cf::object::send_msg {
		2578	my $pl = shift->contr
		2579	or return;
		2580	$pl->send_msg (@_);
1717	}	2581	}
1718		2582
1719	=item $player_object->may ("access")	2583	=item $player_object->may ("access")
1720		2584
1721	Returns wether the given player is authorized to access resource "access"	2585	Returns wether the given player is authorized to access resource "access"
…		…
1734		2598
1735	=item $player_object->enter_link	2599	=item $player_object->enter_link
1736		2600
1737	Freezes the player and moves him/her to a special map (C<{link}>).	2601	Freezes the player and moves him/her to a special map (C<{link}>).
1738		2602
1739	The player should be reasonably safe there for short amounts of time. You	2603	The player should be reasonably safe there for short amounts of time (e.g.
1740	I<MUST> call C<leave_link> as soon as possible, though.	2604	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2605	though, as the player cannot control the character while it is on the link
		2606	map.
1741		2607
1742	Will never block.	2608	Will never block.
1743		2609
1744	=item $player_object->leave_link ($map, $x, $y)	2610	=item $player_object->leave_link ($map, $x, $y)
1745		2611
…		…
1765	sub cf::object::player::enter_link {	2631	sub cf::object::player::enter_link {
1766	my ($self) = @_;	2632	my ($self) = @_;
1767		2633
1768	$self->deactivate_recursive;	2634	$self->deactivate_recursive;
1769		2635
		2636	++$self->{_link_recursion};
		2637
1770	return if UNIVERSAL::isa $self->map, "ext::map_link";	2638	return if UNIVERSAL::isa $self->map, "ext::map_link";
1771		2639
1772	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2640	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1773	if $self->map;	2641	if $self->map && $self->map->{path} ne "{link}";
1774		2642
1775	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2643	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1776	}	2644	}
1777		2645
1778	sub cf::object::player::leave_link {	2646	sub cf::object::player::leave_link {
1779	my ($self, $map, $x, $y) = @_;	2647	my ($self, $map, $x, $y) = @_;
		2648
		2649	return unless $self->contr->active;
1780		2650
1781	my $link_pos = delete $self->{_link_pos};	2651	my $link_pos = delete $self->{_link_pos};
1782		2652
1783	unless ($map) {	2653	unless ($map) {
1784	# restore original map position	2654	# restore original map position
…		…
1795	($x, $y) = (-1, -1)	2665	($x, $y) = (-1, -1)
1796	unless (defined $x) && (defined $y);	2666	unless (defined $x) && (defined $y);
1797		2667
1798	# use -1 or undef as default coordinates, not 0, 0	2668	# use -1 or undef as default coordinates, not 0, 0
1799	($x, $y) = ($map->enter_x, $map->enter_y)	2669	($x, $y) = ($map->enter_x, $map->enter_y)
1800	if $x <=0 && $y <= 0;	2670	if $x <= 0 && $y <= 0;
1801		2671
1802	$map->load;	2672	$map->load;
1803	$map->load_diag;	2673	$map->load_neighbours;
1804		2674
1805	return unless $self->contr->active;	2675	return unless $self->contr->active;
		2676
		2677	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2678	if ($self->enter_map ($map, $x, $y)) {
		2679	# entering was successful
		2680	delete $self->{_link_recursion};
		2681	# only activate afterwards, to support waiting in hooks
1806	$self->activate_recursive;	2682	$self->activate_recursive;
1807	$self->enter_map ($map, $x, $y);
1808	}
1809
1810	cf::player->attach (
1811	on_logout => sub {
1812	my ($pl) = @_;
1813
1814	# abort map switching before logout
1815	if ($pl->ob->{_link_pos}) {
1816	cf::sync_job {
1817	$pl->ob->leave_link
1818	};
1819	}
1820	},	2683	}
1821	on_login => sub {
1822	my ($pl) = @_;
1823		2684
1824	# try to abort aborted map switching on player login :)	2685	}
1825	# should happen only on crashes
1826	if ($pl->ob->{_link_pos}) {
1827	$pl->ob->enter_link;
1828	(async {
1829	# we need this sleep as the login has a concurrent enter_exit running
1830	# and this sleep increases chances of the player not ending up in scorn
1831	$pl->ob->reply (undef,
1832	"There was an internal problem at your last logout, "
1833	. "the server will try to bring you to your intended destination in a second.",
1834	cf::NDI_RED);
1835	Coro::Timer::sleep 1;
1836	$pl->ob->leave_link;
1837	})->prio (2);
1838	}
1839	},
1840	);
1841		2686
1842	=item $player_object->goto ($path, $x, $y)	2687	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1843		2688
		2689	Moves the player to the given map-path and coordinates by first freezing
		2690	her, loading and preparing them map, calling the provided $check callback
		2691	that has to return the map if sucecssful, and then unfreezes the player on
		2692	the new (success) or old (failed) map position. In either case, $done will
		2693	be called at the end of this process.
		2694
		2695	Note that $check will be called with a potentially non-loaded map, so if
		2696	it needs a loaded map it has to call C<< ->load >>.
		2697
1844	=cut	2698	=cut
		2699
		2700	our $GOTOGEN;
1845		2701
1846	sub cf::object::player::goto {	2702	sub cf::object::player::goto {
1847	my ($self, $path, $x, $y) = @_;	2703	my ($self, $path, $x, $y, $check, $done) = @_;
		2704
		2705	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2706	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2707	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2708	($path, $x, $y) = @$EMERGENCY_POSITION;
		2709	}
		2710
		2711	# do generation counting so two concurrent goto's will be executed in-order
		2712	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1848		2713
1849	$self->enter_link;	2714	$self->enter_link;
1850		2715
1851	(async {	2716	(async {
		2717	$Coro::current->{desc} = "player::goto $path $x $y";
		2718
		2719	# *tag paths override both path and x|y
		2720	if ($path =~ /^\*(.*)$/) {
		2721	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2722	my $ob = $obs[rand @obs];
		2723
		2724	# see if we actually can go there
		2725	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2726	$ob = $obs[rand @obs];
		2727	} else {
		2728	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2729	}
		2730	# else put us there anyways for now #d#
		2731
		2732	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2733	} else {
		2734	($path, $x, $y) = (undef, undef, undef);
		2735	}
		2736	}
		2737
1852	my $map = eval {	2738	my $map = eval {
1853	my $map = cf::map::find $path;	2739	my $map = defined $path ? cf::map::find $path : undef;
		2740
		2741	if ($map) {
1854	$map = $map->customise_for ($self) if $map;	2742	$map = $map->customise_for ($self);
		2743	$map = $check->($map, $x, $y, $self) if $check && $map;
		2744	} else {
		2745	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2746	}
		2747
1855	$map	2748	$map
		2749	};
		2750
		2751	if ($@) {
		2752	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2753	LOG llevError | logBacktrace, Carp::longmess $@;
1856	} or	2754	}
1857	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1858		2755
		2756	if ($gen == $self->{_goto_generation}) {
		2757	delete $self->{_goto_generation};
1859	$self->leave_link ($map, $x, $y);	2758	$self->leave_link ($map, $x, $y);
		2759	}
		2760
		2761	$done->($self) if $done;
1860	})->prio (1);	2762	})->prio (1);
1861	}	2763	}
1862		2764
1863	=item $player_object->enter_exit ($exit_object)	2765	=item $player_object->enter_exit ($exit_object)
1864		2766
…		…
1884	}	2786	}
1885		2787
1886	sub prepare_random_map {	2788	sub prepare_random_map {
1887	my ($exit) = @_;	2789	my ($exit) = @_;
1888		2790
1889	my $guard = cf::lock_acquire "exit_prepare:$exit";
1890
1891	# all this does is basically replace the /! path by	2791	# all this does is basically replace the /! path by
1892	# a new random map path (?random/...) with a seed	2792	# a new random map path (?random/...) with a seed
1893	# that depends on the exit object	2793	# that depends on the exit object
1894		2794
1895	my $rmp = parse_random_map_params $exit->msg;	2795	my $rmp = parse_random_map_params $exit->msg;
…		…
1897	if ($exit->map) {	2797	if ($exit->map) {
1898	$rmp->{region} = $exit->region->name;	2798	$rmp->{region} = $exit->region->name;
1899	$rmp->{origin_map} = $exit->map->path;	2799	$rmp->{origin_map} = $exit->map->path;
1900	$rmp->{origin_x} = $exit->x;	2800	$rmp->{origin_x} = $exit->x;
1901	$rmp->{origin_y} = $exit->y;	2801	$rmp->{origin_y} = $exit->y;
		2802
		2803	$exit->map->touch;
1902	}	2804	}
1903		2805
1904	$rmp->{random_seed} ||= $exit->random_seed;	2806	$rmp->{random_seed} ||= $exit->random_seed;
1905		2807
1906	my $data = cf::to_json $rmp;	2808	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1907	my $md5 = Digest::MD5::md5_hex $data;	2809	my $md5 = Digest::MD5::md5_hex $data;
1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2810	my $meta = "$RANDOMDIR/$md5.meta";
1909		2811
1910	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2812	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1911	aio_write $fh, 0, (length $data), $data, 0;	2813	aio_write $fh, 0, (length $data), $data, 0;
1912	undef $fh;	2814	undef $fh;
1913	aio_rename "$meta~", $meta;	2815	aio_rename "$meta~", $meta;
1914		2816
		2817	my $slaying = "?random/$md5";
		2818
		2819	if ($exit->valid) {
1915	$exit->slaying ("?random/$md5");	2820	$exit->slaying ("?random/$md5");
1916	$exit->msg (undef);	2821	$exit->msg (undef);
		2822	}
1917	}	2823	}
1918	}	2824	}
1919		2825
1920	sub cf::object::player::enter_exit {	2826	sub cf::object::player::enter_exit {
1921	my ($self, $exit) = @_;	2827	my ($self, $exit) = @_;
1922		2828
1923	return unless $self->type == cf::PLAYER;	2829	return unless $self->type == cf::PLAYER;
1924		2830
1925	if ($exit->slaying eq "/!") {
1926	#TODO: this should de-fi-ni-te-ly not be a sync-job
1927	cf::sync_job { prepare_random_map $exit };
1928	}
1929
1930	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1931	my $hp = $exit->stats->hp;
1932	my $sp = $exit->stats->sp;
1933
1934	$self->enter_link;	2831	$self->enter_link;
1935		2832
1936	(async {	2833	(async {
1937	$self->deactivate_recursive; # just to be sure	2834	$Coro::current->{desc} = "enter_exit";
		2835
1938	unless (eval {	2836	unless (eval {
		2837	$self->deactivate_recursive; # just to be sure
		2838
		2839	# random map handling
		2840	{
		2841	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2842
		2843	prepare_random_map $exit
		2844	if $exit->slaying eq "/!";
		2845	}
		2846
		2847	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2848	my $x = $exit->stats->hp;
		2849	my $y = $exit->stats->sp;
		2850
1939	$self->goto ($slaying, $hp, $sp);	2851	$self->goto ($map, $x, $y);
1940		2852
		2853	# if exit is damned, update players death & WoR home-position
		2854	$self->contr->savebed ($map, $x, $y)
		2855	if $exit->flag (cf::FLAG_DAMNED);
		2856
1941	1;	2857	1
1942	}) {	2858	}) {
1943	$self->message ("Something went wrong deep within the crossfire server. "	2859	$self->message ("Something went wrong deep within the deliantra server. "
1944	. "I'll try to bring you back to the map you were before. "	2860	. "I'll try to bring you back to the map you were before. "
1945	. "Please report this to the dungeon master!",	2861	. "Please report this to the dungeon master!",
1946	cf::NDI_UNIQUE | cf::NDI_RED);	2862	cf::NDI_UNIQUE | cf::NDI_RED);
1947		2863
1948	warn "ERROR in enter_exit: $@";	2864	error "ERROR in enter_exit: $@";
1949	$self->leave_link;	2865	$self->leave_link;
1950	}	2866	}
1951	})->prio (1);	2867	})->prio (1);
1952	}	2868	}
1953		2869
…		…
1964		2880
1965	sub cf::client::send_drawinfo {	2881	sub cf::client::send_drawinfo {
1966	my ($self, $text, $flags) = @_;	2882	my ($self, $text, $flags) = @_;
1967		2883
1968	utf8::encode $text;	2884	utf8::encode $text;
1969	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2885	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1970	}	2886	}
1971		2887
		2888	=item $client->send_big_packet ($pkt)
		2889
		2890	Like C<send_packet>, but tries to compress large packets, and fragments
		2891	them as required.
		2892
		2893	=cut
		2894
		2895	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2896
		2897	sub cf::client::send_big_packet {
		2898	my ($self, $pkt) = @_;
		2899
		2900	# try lzf for large packets
		2901	$pkt = "lzf " . Compress::LZF::compress $pkt
		2902	if 1024 <= length $pkt and $self->{can_lzf};
		2903
		2904	# split very large packets
		2905	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2906	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2907	$pkt = "frag";
		2908	}
		2909
		2910	$self->send_packet ($pkt);
		2911	}
		2912
		2913	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2914
		2915	Send a drawinfo or msg packet to the client, formatting the msg for the
		2916	client if neccessary. C<$type> should be a string identifying the type of
		2917	the message, with C<log> being the default. If C<$color> is negative, suppress
		2918	the message unless the client supports the msg packet.
		2919
		2920	=cut
		2921
		2922	# non-persistent channels (usually the info channel)
		2923	our %CHANNEL = (
		2924	"c/motd" => {
		2925	id => "infobox",
		2926	title => "MOTD",
		2927	reply => undef,
		2928	tooltip => "The message of the day",
		2929	},
		2930	"c/identify" => {
		2931	id => "infobox",
		2932	title => "Identify",
		2933	reply => undef,
		2934	tooltip => "Items recently identified",
		2935	},
		2936	"c/examine" => {
		2937	id => "infobox",
		2938	title => "Examine",
		2939	reply => undef,
		2940	tooltip => "Signs and other items you examined",
		2941	},
		2942	"c/shopinfo" => {
		2943	id => "infobox",
		2944	title => "Shop Info",
		2945	reply => undef,
		2946	tooltip => "What your bargaining skill tells you about the shop",
		2947	},
		2948	"c/book" => {
		2949	id => "infobox",
		2950	title => "Book",
		2951	reply => undef,
		2952	tooltip => "The contents of a note or book",
		2953	},
		2954	"c/lookat" => {
		2955	id => "infobox",
		2956	title => "Look",
		2957	reply => undef,
		2958	tooltip => "What you saw there",
		2959	},
		2960	"c/who" => {
		2961	id => "infobox",
		2962	title => "Players",
		2963	reply => undef,
		2964	tooltip => "Shows players who are currently online",
		2965	},
		2966	"c/body" => {
		2967	id => "infobox",
		2968	title => "Body Parts",
		2969	reply => undef,
		2970	tooltip => "Shows which body parts you posess and are available",
		2971	},
		2972	"c/statistics" => {
		2973	id => "infobox",
		2974	title => "Statistics",
		2975	reply => undef,
		2976	tooltip => "Shows your primary statistics",
		2977	},
		2978	"c/skills" => {
		2979	id => "infobox",
		2980	title => "Skills",
		2981	reply => undef,
		2982	tooltip => "Shows your experience per skill and item power",
		2983	},
		2984	"c/shopitems" => {
		2985	id => "infobox",
		2986	title => "Shop Items",
		2987	reply => undef,
		2988	tooltip => "Shows the items currently for sale in this shop",
		2989	},
		2990	"c/resistances" => {
		2991	id => "infobox",
		2992	title => "Resistances",
		2993	reply => undef,
		2994	tooltip => "Shows your resistances",
		2995	},
		2996	"c/pets" => {
		2997	id => "infobox",
		2998	title => "Pets",
		2999	reply => undef,
		3000	tooltip => "Shows information abotu your pets/a specific pet",
		3001	},
		3002	"c/perceiveself" => {
		3003	id => "infobox",
		3004	title => "Perceive Self",
		3005	reply => undef,
		3006	tooltip => "You gained detailed knowledge about yourself",
		3007	},
		3008	"c/uptime" => {
		3009	id => "infobox",
		3010	title => "Uptime",
		3011	reply => undef,
		3012	tooltip => "How long the server has been running since last restart",
		3013	},
		3014	"c/mapinfo" => {
		3015	id => "infobox",
		3016	title => "Map Info",
		3017	reply => undef,
		3018	tooltip => "Information related to the maps",
		3019	},
		3020	"c/party" => {
		3021	id => "party",
		3022	title => "Party",
		3023	reply => "gsay ",
		3024	tooltip => "Messages and chat related to your party",
		3025	},
		3026	"c/death" => {
		3027	id => "death",
		3028	title => "Death",
		3029	reply => undef,
		3030	tooltip => "Reason for and more info about your most recent death",
		3031	},
		3032	"c/say" => $SAY_CHANNEL,
		3033	"c/chat" => $CHAT_CHANNEL,
		3034	);
		3035
		3036	sub cf::client::send_msg {
		3037	my ($self, $channel, $msg, $color, @extra) = @_;
		3038
		3039	$msg = $self->pl->expand_cfpod ($msg)
		3040	unless $color & cf::NDI_VERBATIM;
		3041
		3042	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3043
		3044	# check predefined channels, for the benefit of C
		3045	if ($CHANNEL{$channel}) {
		3046	$channel = $CHANNEL{$channel};
		3047
		3048	$self->ext_msg (channel_info => $channel);
		3049	$channel = $channel->{id};
		3050
		3051	} elsif (ref $channel) {
		3052	# send meta info to client, if not yet sent
		3053	unless (exists $self->{channel}{$channel->{id}}) {
		3054	$self->{channel}{$channel->{id}} = $channel;
		3055	$self->ext_msg (channel_info => $channel);
		3056	}
		3057
		3058	$channel = $channel->{id};
		3059	}
		3060
		3061	return unless @extra || length $msg;
		3062
		3063	# default colour, mask it out
		3064	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3065	if $color & cf::NDI_DEF;
		3066
		3067	my $pkt = "msg "
		3068	. $self->{json_coder}->encode (
		3069	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3070	);
		3071
		3072	$self->send_big_packet ($pkt);
		3073	}
		3074
		3075	=item $client->ext_msg ($type, @msg)
		3076
		3077	Sends an ext event to the client.
		3078
		3079	=cut
		3080
		3081	sub cf::client::ext_msg($$@) {
		3082	my ($self, $type, @msg) = @_;
		3083
		3084	if ($self->extcmd == 2) {
		3085	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3086	} elsif ($self->extcmd == 1) { # TODO: remove
		3087	push @msg, msgtype => "event_$type";
		3088	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3089	}
		3090	}
		3091
		3092	=item $client->ext_reply ($msgid, @msg)
		3093
		3094	Sends an ext reply to the client.
		3095
		3096	=cut
		3097
		3098	sub cf::client::ext_reply($$@) {
		3099	my ($self, $id, @msg) = @_;
		3100
		3101	if ($self->extcmd == 2) {
		3102	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3103	} elsif ($self->extcmd == 1) {
		3104	#TODO: version 1, remove
		3105	unshift @msg, msgtype => "reply", msgid => $id;
		3106	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3107	}
		3108	}
1972		3109
1973	=item $success = $client->query ($flags, "text", \&cb)	3110	=item $success = $client->query ($flags, "text", \&cb)
1974		3111
1975	Queues a query to the client, calling the given callback with	3112	Queues a query to the client, calling the given callback with
1976	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3113	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1977	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3114	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1978		3115
1979	Queries can fail, so check the return code. Or don't, as queries will become	3116	Queries can fail, so check the return code. Or don't, as queries will
1980	reliable at some point in the future.	3117	become reliable at some point in the future.
1981		3118
1982	=cut	3119	=cut
1983		3120
1984	sub cf::client::query {	3121	sub cf::client::query {
1985	my ($self, $flags, $text, $cb) = @_;	3122	my ($self, $flags, $text, $cb) = @_;
…		…
1993	utf8::encode $text;	3130	utf8::encode $text;
1994	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3131	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1995		3132
1996	$self->send_packet ($self->{query_queue}[0][0])	3133	$self->send_packet ($self->{query_queue}[0][0])
1997	if @{ $self->{query_queue} } == 1;	3134	if @{ $self->{query_queue} } == 1;
		3135
		3136	1
1998	}	3137	}
1999		3138
2000	cf::client->attach (	3139	cf::client->attach (
		3140	on_connect => sub {
		3141	my ($ns) = @_;
		3142
		3143	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3144	},
2001	on_reply => sub {	3145	on_reply => sub {
2002	my ($ns, $msg) = @_;	3146	my ($ns, $msg) = @_;
2003		3147
2004	# this weird shuffling is so that direct followup queries	3148	# this weird shuffling is so that direct followup queries
2005	# get handled first	3149	# get handled first
…		…
2017	} else {	3161	} else {
2018	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2019	}	3163	}
2020	}	3164	}
2021	},	3165	},
		3166	on_exticmd => sub {
		3167	my ($ns, $buf) = @_;
		3168
		3169	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3170
		3171	if (ref $msg) {
		3172	my ($type, $reply, @payload) =
		3173	"ARRAY" eq ref $msg
		3174	? @$msg
		3175	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3176
		3177	my @reply;
		3178
		3179	if (my $cb = $EXTICMD{$type}) {
		3180	@reply = $cb->($ns, @payload);
		3181	}
		3182
		3183	$ns->ext_reply ($reply, @reply)
		3184	if $reply;
		3185
		3186	} else {
		3187	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3188	}
		3189
		3190	cf::override;
		3191	},
2022	);	3192	);
2023		3193
2024	=item $client->async (\&cb)	3194	=item $client->async (\&cb)
2025		3195
2026	Create a new coroutine, running the specified callback. The coroutine will	3196	Create a new coroutine, running the specified callback. The coroutine will
…		…
2042		3212
2043	$coro	3213	$coro
2044	}	3214	}
2045		3215
2046	cf::client->attach (	3216	cf::client->attach (
2047	on_destroy => sub {	3217	on_client_destroy => sub {
2048	my ($ns) = @_;	3218	my ($ns) = @_;
2049		3219
2050	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3220	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2051	},	3221	},
2052	);	3222	);
…		…
2067	our $safe = new Safe "safe";	3237	our $safe = new Safe "safe";
2068	our $safe_hole = new Safe::Hole;	3238	our $safe_hole = new Safe::Hole;
2069		3239
2070	$SIG{FPE} = 'IGNORE';	3240	$SIG{FPE} = 'IGNORE';
2071		3241
2072	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3242	$safe->permit_only (Opcode::opset qw(
		3243	:base_core :base_mem :base_orig :base_math :base_loop
		3244	grepstart grepwhile mapstart mapwhile
		3245	sort time
		3246	));
2073		3247
2074	# here we export the classes and methods available to script code	3248	# here we export the classes and methods available to script code
2075		3249
2076	=pod	3250	=pod
2077		3251
2078	The following fucntions and emthods are available within a safe environment:	3252	The following functions and methods are available within a safe environment:
2079		3253
2080	cf::object contr pay_amount pay_player map	3254	cf::object
		3255	contr pay_amount pay_player map x y force_find force_add destroy
		3256	insert remove name archname title slaying race decrease split
		3257	value
		3258
2081	cf::object::player player	3259	cf::object::player
2082	cf::player peaceful	3260	player
2083	cf::map trigger	3261
		3262	cf::player
		3263	peaceful
		3264
		3265	cf::map
		3266	trigger
2084		3267
2085	=cut	3268	=cut
2086		3269
2087	for (	3270	for (
2088	["cf::object" => qw(contr pay_amount pay_player map)],	3271	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3272	insert remove inv nrof name archname title slaying race
		3273	decrease split destroy change_exp value msg lore send_msg)],
2089	["cf::object::player" => qw(player)],	3274	["cf::object::player" => qw(player)],
2090	["cf::player" => qw(peaceful)],	3275	["cf::player" => qw(peaceful send_msg)],
2091	["cf::map" => qw(trigger)],	3276	["cf::map" => qw(trigger)],
2092	) {	3277	) {
2093	no strict 'refs';
2094	my ($pkg, @funs) = @$_;	3278	my ($pkg, @funs) = @$_;
2095	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3279	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2096	for @funs;	3280	for @funs;
2097	}	3281	}
2098		3282
…		…
2113		3297
2114	my $qcode = $code;	3298	my $qcode = $code;
2115	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3299	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2116	$qcode =~ s/\n/\\n/g;	3300	$qcode =~ s/\n/\\n/g;
2117		3301
		3302	%vars = (_dummy => 0) unless %vars;
		3303
		3304	my @res;
2118	local $_;	3305	local $_;
2119	local @safe::cf::_safe_eval_args = values %vars;
2120		3306
2121	my $eval =	3307	my $eval =
2122	"do {\n"	3308	"do {\n"
2123	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3309	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2124	. "#line 0 \"{$qcode}\"\n"	3310	. "#line 0 \"{$qcode}\"\n"
2125	. $code	3311	. $code
2126	. "\n}"	3312	. "\n}"
2127	;	3313	;
2128		3314
		3315	if ($CFG{safe_eval}) {
2129	sub_generation_inc;	3316	sub_generation_inc;
		3317	local @safe::cf::_safe_eval_args = values %vars;
2130	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3318	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2131	sub_generation_inc;	3319	sub_generation_inc;
		3320	} else {
		3321	local @cf::_safe_eval_args = values %vars;
		3322	@res = wantarray ? eval eval : scalar eval $eval;
		3323	}
2132		3324
2133	if ($@) {	3325	if ($@) {
2134	warn "$@";	3326	warn "$@",
2135	warn "while executing safe code '$code'\n";	3327	"while executing safe code '$code'\n",
2136	warn "with arguments " . (join " ", %vars) . "\n";	3328	"with arguments " . (join " ", %vars) . "\n";
2137	}	3329	}
2138		3330
2139	wantarray ? @res : $res[0]	3331	wantarray ? @res : $res[0]
2140	}	3332	}
2141		3333
…		…
2155	=cut	3347	=cut
2156		3348
2157	sub register_script_function {	3349	sub register_script_function {
2158	my ($fun, $cb) = @_;	3350	my ($fun, $cb) = @_;
2159		3351
2160	no strict 'refs';	3352	$fun = "safe::$fun" if $CFG{safe_eval};
2161	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3353	*$fun = $safe_hole->wrap ($cb);
2162	}	3354	}
2163		3355
2164	=back	3356	=back
2165		3357
2166	=cut	3358	=cut
2167
2168	#############################################################################
2169
2170	=head2 EXTENSION DATABASE SUPPORT
2171
2172	Crossfire maintains a very simple database for extension use. It can
2173	currently store anything that can be serialised using Storable, which
2174	excludes objects.
2175
2176	The parameter C<$family> should best start with the name of the extension
2177	using it, it should be unique.
2178
2179	=over 4
2180
2181	=item $hashref = cf::db_get $family
2182
2183	Return a hashref for use by the extension C<$family>, which can be
2184	modified. After modifications, you have to call C<cf::db_dirty> or
2185	C<cf::db_sync>.
2186
2187	=item $value = cf::db_get $family => $key
2188
2189	Returns a single value from the database
2190
2191	=item cf::db_put $family => $hashref
2192
2193	Stores the given family hashref into the database. Updates are delayed, if
2194	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_put $family => $key => $value
2197
2198	Stores the given C<$value> in the family hash. Updates are delayed, if you
2199	want the data to be synced to disk immediately, use C<cf::db_sync>.
2200
2201	=item cf::db_dirty
2202
2203	Marks the database as dirty, to be updated at a later time.
2204
2205	=item cf::db_sync
2206
2207	Immediately write the database to disk I<if it is dirty>.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	{
2214	my $path = cf::localdir . "/database.pst";
2215
2216	sub db_load() {
2217	$DB = stat $path ? Storable::retrieve $path : { };
2218	}
2219
2220	my $pid;
2221
2222	sub db_save() {
2223	waitpid $pid, 0 if $pid;
2224	if (0 == ($pid = fork)) {
2225	$DB->{_meta}{version} = 1;
2226	Storable::nstore $DB, "$path~";
2227	rename "$path~", $path;
2228	cf::_exit 0 if defined $pid;
2229	}
2230	}
2231
2232	my $dirty;
2233
2234	sub db_sync() {
2235	db_save if $dirty;
2236	undef $dirty;
2237	}
2238
2239	my $idle = Event->idle (
2240	reentrant => 0,
2241	min => 10,
2242	max => 20,
2243	repeat => 0,
2244	data => WF_AUTOCANCEL,
2245	cb => \&db_sync,
2246	);
2247
2248	sub db_dirty() {
2249	$dirty = 1;
2250	$idle->start;
2251	}
2252
2253	sub db_get($;$) {
2254	@_ >= 2
2255	? $DB->{$_[0]}{$_[1]}
2256	: ($DB->{$_[0]} ||= { })
2257	}
2258
2259	sub db_put($$;$) {
2260	if (@_ >= 3) {
2261	$DB->{$_[0]}{$_[1]} = $_[2];
2262	} else {
2263	$DB->{$_[0]} = $_[1];
2264	}
2265	db_dirty;
2266	}
2267
2268	cf::global->attach (
2269	prio => 10000,
2270	on_cleanup => sub {
2271	db_sync;
2272	},
2273	);
2274	}
2275		3359
2276	#############################################################################	3360	#############################################################################
2277	# the server's init and main functions	3361	# the server's init and main functions
2278		3362
		3363	# async inc loader. yay.
		3364	sub inc_loader {
		3365	my $mod = $_[1];
		3366
		3367	if (in_main && !tick_inhibit) {
		3368	Carp::cluck "ERROR: attempted synchronous perl module load ($mod)";
		3369	} else {
		3370	debug "loading perl module $mod\n";
		3371	}
		3372
		3373	# 1. find real file
		3374	for my $dir (@ORIG_INC) {
		3375	ref $dir and next;
		3376	0 <= Coro::AIO::aio_load "$dir/$mod", my $data
		3377	or next;
		3378
		3379	$data = "#line 1 $dir/$mod\n$data";
		3380
		3381	open my $fh, "<", \$data or die;
		3382
		3383	return $fh;
		3384	}
		3385
		3386	()
		3387	}
		3388
		3389	sub init_inc {
		3390	# save original @INC
		3391	@ORIG_INC = ($LIBDIR, @INC) unless @ORIG_INC;
		3392
		3393	# make sure we can do scalar-opens
		3394	open my $dummy, "<", \my $dummy2;
		3395
		3396	# execute some stuff so perl load's some of the core modules
		3397	/Ü/ =~ /ü/i;
		3398	eval { &Storable::nstore_fd };
		3399
		3400	@INC = (\&inc_loader, @ORIG_INC); # @ORIG_INC is needed for DynaLoader, AutoLoad etc.
		3401
		3402	debug "module loading will be asynchronous from this point on.";
		3403	}
		3404
		3405	sub load_facedata($) {
		3406	my ($path) = @_;
		3407
		3408	# HACK to clear player env face cache, we need some signal framework
		3409	# for this (global event?)
		3410	%ext::player_env::MUSIC_FACE_CACHE = ();
		3411
		3412	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3413
		3414	trace "loading facedata from $path\n";
		3415
		3416	my $facedata;
		3417	0 < aio_load $path, $facedata
		3418	or die "$path: $!";
		3419
		3420	$facedata = Coro::Storable::thaw $facedata;
		3421
		3422	$facedata->{version} == 2
		3423	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3424
		3425	# patch in the exptable
		3426	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3427	$facedata->{resource}{"res/exp_table"} = {
		3428	type => FT_RSRC,
		3429	data => $exp_table,
		3430	hash => (Digest::MD5::md5 $exp_table),
		3431	};
		3432	cf::cede_to_tick;
		3433
		3434	{
		3435	my $faces = $facedata->{faceinfo};
		3436
		3437	while (my ($face, $info) = each %$faces) {
		3438	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3439
		3440	cf::face::set_visibility $idx, $info->{visibility};
		3441	cf::face::set_magicmap $idx, $info->{magicmap};
		3442	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3443	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3444
		3445	cf::cede_to_tick;
		3446	}
		3447
		3448	while (my ($face, $info) = each %$faces) {
		3449	next unless $info->{smooth};
		3450
		3451	my $idx = cf::face::find $face
		3452	or next;
		3453
		3454	if (my $smooth = cf::face::find $info->{smooth}) {
		3455	cf::face::set_smooth $idx, $smooth;
		3456	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3457	} else {
		3458	error "smooth face '$info->{smooth}' not found for face '$face'";
		3459	}
		3460
		3461	cf::cede_to_tick;
		3462	}
		3463	}
		3464
		3465	{
		3466	my $anims = $facedata->{animinfo};
		3467
		3468	while (my ($anim, $info) = each %$anims) {
		3469	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3470	cf::cede_to_tick;
		3471	}
		3472
		3473	cf::anim::invalidate_all; # d'oh
		3474	}
		3475
		3476	{
		3477	my $res = $facedata->{resource};
		3478
		3479	while (my ($name, $info) = each %$res) {
		3480	if (defined $info->{type}) {
		3481	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3482
		3483	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3484	cf::face::set_type $idx, $info->{type};
		3485	} else {
		3486	$RESOURCE{$name} = $info; # unused
		3487	}
		3488
		3489	cf::cede_to_tick;
		3490	}
		3491	}
		3492
		3493	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3494
		3495	1
		3496	}
		3497
		3498	register_exticmd fx_want => sub {
		3499	my ($ns, $want) = @_;
		3500
		3501	while (my ($k, $v) = each %$want) {
		3502	$ns->fx_want ($k, $v);
		3503	}
		3504	};
		3505
2279	sub load_resources {	3506	sub load_resource_file($) {
2280	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3507	my $guard = lock_acquire "load_resource_file";
		3508
		3509	my $status = load_resource_file_ $_[0];
		3510	get_slot 0.1, 100;
		3511	cf::arch::commit_load;
		3512
		3513	$status
		3514	}
		3515
		3516	sub reload_regions {
		3517	# HACK to clear player env face cache, we need some signal framework
		3518	# for this (global event?)
		3519	%ext::player_env::MUSIC_FACE_CACHE = ();
		3520
		3521	load_resource_file "$MAPDIR/regions"
2281	or die "unable to load regions file\n";#d#	3522	or die "unable to load regions file\n";
2282	}
2283		3523
2284	sub cfg_load {	3524	for (cf::region::list) {
		3525	$_->{match} = qr/$_->{match}/
		3526	if exists $_->{match};
		3527	}
		3528	}
		3529
		3530	sub reload_facedata {
		3531	load_facedata "$DATADIR/facedata"
		3532	or die "unable to load facedata\n";
		3533	}
		3534
		3535	sub reload_archetypes {
		3536	load_resource_file "$DATADIR/archetypes"
		3537	or die "unable to load archetypes\n";
		3538	}
		3539
		3540	sub reload_treasures {
		3541	load_resource_file "$DATADIR/treasures"
		3542	or die "unable to load treasurelists\n";
		3543	}
		3544
		3545	sub reload_sound {
		3546	trace "loading sound config from $DATADIR/sound\n";
		3547
		3548	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3549	or die "$DATADIR/sound $!";
		3550
		3551	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3552
		3553	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3554	my $sound = $soundconf->{compat}[$_]
		3555	or next;
		3556
		3557	my $face = cf::face::find "sound/$sound->[1]";
		3558	cf::sound::set $sound->[0] => $face;
		3559	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3560	}
		3561
		3562	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3563	my $face = cf::face::find "sound/$v";
		3564	cf::sound::set $k => $face;
		3565	}
		3566	}
		3567
		3568	sub reload_resources {
		3569	trace "reloading resource files...\n";
		3570
		3571	reload_facedata;
		3572	reload_sound;
		3573	reload_archetypes;
		3574	reload_regions;
		3575	reload_treasures;
		3576
		3577	trace "finished reloading resource files\n";
		3578	}
		3579
		3580	sub reload_config {
		3581	trace "reloading config file...\n";
		3582
2285	open my $fh, "<:utf8", cf::confdir . "/config"	3583	open my $fh, "<:utf8", "$CONFDIR/config"
2286	or return;	3584	or return;
2287		3585
2288	local $/;	3586	local $/;
2289	*CFG = YAML::Syck::Load <$fh>;	3587	*CFG = YAML::XS::Load scalar <$fh>;
2290		3588
2291	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3589	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2292		3590
2293	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3591	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2294	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3592	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2295		3593
2296	if (exists $CFG{mlockall}) {	3594	if (exists $CFG{mlockall}) {
…		…
2298	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3596	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2299	and die "WARNING: m(un)lockall failed: $!\n";	3597	and die "WARNING: m(un)lockall failed: $!\n";
2300	};	3598	};
2301	warn $@ if $@;	3599	warn $@ if $@;
2302	}	3600	}
2303	}
2304		3601
2305	sub init {	3602	trace "finished reloading resource files\n";
2306	load_resources;	3603	}
		3604
		3605	sub pidfile() {
		3606	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3607	or die "$PIDFILE: $!";
		3608	flock $fh, &Fcntl::LOCK_EX
		3609	or die "$PIDFILE: flock: $!";
		3610	$fh
		3611	}
		3612
		3613	# make sure only one server instance is running at any one time
		3614	sub atomic {
		3615	my $fh = pidfile;
		3616
		3617	my $pid = <$fh>;
		3618	kill 9, $pid if $pid > 0;
		3619
		3620	seek $fh, 0, 0;
		3621	print $fh $$;
		3622	}
		3623
		3624	sub main_loop {
		3625	trace "EV::loop starting\n";
		3626	if (1) {
		3627	EV::loop;
		3628	}
		3629	trace "EV::loop returned\n";
		3630	goto &main_loop unless $REALLY_UNLOOP;
2307	}	3631	}
2308		3632
2309	sub main {	3633	sub main {
		3634	cf::init_globals; # initialise logging
		3635
		3636	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3637	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3638	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3639	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3640
		3641	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3642
2310	# we must not ever block the main coroutine	3643	# we must not ever block the main coroutine
2311	local $Coro::idle = sub {	3644	local $Coro::idle = sub {
2312	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3645	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2313	(async {	3646	(async {
2314	Event::one_event;	3647	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3648	EV::loop EV::LOOP_ONESHOT;
2315	})->prio (Coro::PRIO_MAX);	3649	})->prio (Coro::PRIO_MAX);
2316	};	3650	};
2317		3651
2318	cfg_load;	3652	evthread_start IO::AIO::poll_fileno;
2319	db_load;	3653
		3654	cf::sync_job {
		3655	init_inc;
		3656
		3657	cf::init_experience;
		3658	cf::init_anim;
		3659	cf::init_attackmess;
		3660	cf::init_dynamic;
		3661
		3662	cf::load_settings;
		3663	cf::load_materials;
		3664
		3665	reload_resources;
		3666	reload_config;
		3667	db_init;
		3668
		3669	cf::init_uuid;
		3670	cf::init_signals;
		3671	cf::init_skills;
		3672
		3673	cf::init_beforeplay;
		3674
		3675	atomic;
		3676
2320	load_extensions;	3677	load_extensions;
2321		3678
2322	$TICK_WATCHER->start;	3679	utime time, time, $RUNTIMEFILE;
2323	Event::loop;	3680
		3681	# no (long-running) fork's whatsoever before this point(!)
		3682	use POSIX ();
		3683	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3684
		3685	(pop @POST_INIT)->(0) while @POST_INIT;
		3686	};
		3687
		3688	cf::object::thawer::errors_are_fatal 0;
		3689	info "parse errors in files are no longer fatal from this point on.\n";
		3690
		3691	my $free_main; $free_main = EV::idle sub {
		3692	undef $free_main;
		3693	undef &main; # free gobs of memory :)
		3694	};
		3695
		3696	goto &main_loop;
2324	}	3697	}
2325		3698
2326	#############################################################################	3699	#############################################################################
2327	# initialisation and cleanup	3700	# initialisation and cleanup
2328		3701
2329	# install some emergency cleanup handlers	3702	# install some emergency cleanup handlers
2330	BEGIN {	3703	BEGIN {
		3704	our %SIGWATCHER = ();
2331	for my $signal (qw(INT HUP TERM)) {	3705	for my $signal (qw(INT HUP TERM)) {
2332	Event->signal (	3706	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2333	reentrant => 0,
2334	data => WF_AUTOCANCEL,
2335	signal => $signal,
2336	prio => 0,
2337	cb => sub {
2338	cf::cleanup "SIG$signal";	3707	cf::cleanup "SIG$signal";
2339	},
2340	);	3708	};
		3709	}
		3710	}
		3711
		3712	sub write_runtime_sync {
		3713	my $t0 = AE::time;
		3714
		3715	# first touch the runtime file to show we are still running:
		3716	# the fsync below can take a very very long time.
		3717
		3718	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3719
		3720	my $guard = cf::lock_acquire "write_runtime";
		3721
		3722	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3723	or return;
		3724
		3725	my $value = $cf::RUNTIME + 90 + 10;
		3726	# 10 is the runtime save interval, for a monotonic clock
		3727	# 60 allows for the watchdog to kill the server.
		3728
		3729	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3730	and return;
		3731
		3732	# always fsync - this file is important
		3733	aio_fsync $fh
		3734	and return;
		3735
		3736	# touch it again to show we are up-to-date
		3737	aio_utime $fh, undef, undef;
		3738
		3739	close $fh
		3740	or return;
		3741
		3742	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3743	and return;
		3744
		3745	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3746
2341	}	3747	1
		3748	}
		3749
		3750	our $uuid_lock;
		3751	our $uuid_skip;
		3752
		3753	sub write_uuid_sync($) {
		3754	$uuid_skip ||= $_[0];
		3755
		3756	return if $uuid_lock;
		3757	local $uuid_lock = 1;
		3758
		3759	my $uuid = "$LOCALDIR/uuid";
		3760
		3761	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3762	or return;
		3763
		3764	my $value = uuid_seq uuid_cur;
		3765
		3766	unless ($value) {
		3767	info "cowardly refusing to write zero uuid value!\n";
		3768	return;
		3769	}
		3770
		3771	my $value = uuid_str $value + $uuid_skip;
		3772	$uuid_skip = 0;
		3773
		3774	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3775	and return;
		3776
		3777	# always fsync - this file is important
		3778	aio_fsync $fh
		3779	and return;
		3780
		3781	close $fh
		3782	or return;
		3783
		3784	aio_rename "$uuid~", $uuid
		3785	and return;
		3786
		3787	trace "uuid file written ($value).\n";
		3788
		3789	1
		3790
		3791	}
		3792
		3793	sub write_uuid($$) {
		3794	my ($skip, $sync) = @_;
		3795
		3796	$sync ? write_uuid_sync $skip
		3797	: async { write_uuid_sync $skip };
2342	}	3798	}
2343		3799
2344	sub emergency_save() {	3800	sub emergency_save() {
2345	my $freeze_guard = cf::freeze_mainloop;	3801	my $freeze_guard = cf::freeze_mainloop;
2346		3802
2347	warn "enter emergency perl save\n";	3803	info "emergency_perl_save: enter\n";
		3804
		3805	# this is a trade-off: we want to be very quick here, so
		3806	# save all maps without fsync, and later call a global sync
		3807	# (which in turn might be very very slow)
		3808	local $USE_FSYNC = 0;
2348		3809
2349	cf::sync_job {	3810	cf::sync_job {
		3811	cf::write_runtime_sync; # external watchdog should not bark
		3812
2350	# use a peculiar iteration method to avoid tripping on perl	3813	# use a peculiar iteration method to avoid tripping on perl
2351	# refcount bugs in for. also avoids problems with players	3814	# refcount bugs in for. also avoids problems with players
2352	# and maps saved/destroyed asynchronously.	3815	# and maps saved/destroyed asynchronously.
2353	warn "begin emergency player save\n";	3816	info "emergency_perl_save: begin player save\n";
2354	for my $login (keys %cf::PLAYER) {	3817	for my $login (keys %cf::PLAYER) {
2355	my $pl = $cf::PLAYER{$login} or next;	3818	my $pl = $cf::PLAYER{$login} or next;
2356	$pl->valid or next;	3819	$pl->valid or next;
		3820	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2357	$pl->save;	3821	$pl->save;
2358	}	3822	}
2359	warn "end emergency player save\n";	3823	info "emergency_perl_save: end player save\n";
2360		3824
2361	warn "begin emergency map save\n";	3825	cf::write_runtime_sync; # external watchdog should not bark
		3826
		3827	info "emergency_perl_save: begin map save\n";
2362	for my $path (keys %cf::MAP) {	3828	for my $path (keys %cf::MAP) {
2363	my $map = $cf::MAP{$path} or next;	3829	my $map = $cf::MAP{$path} or next;
2364	$map->valid or next;	3830	$map->valid or next;
2365	$map->save;	3831	$map->save;
2366	}	3832	}
2367	warn "end emergency map save\n";	3833	info "emergency_perl_save: end map save\n";
		3834
		3835	cf::write_runtime_sync; # external watchdog should not bark
		3836
		3837	info "emergency_perl_save: begin database checkpoint\n";
		3838	BDB::db_env_txn_checkpoint $DB_ENV;
		3839	info "emergency_perl_save: end database checkpoint\n";
		3840
		3841	info "emergency_perl_save: begin write uuid\n";
		3842	write_uuid_sync 1;
		3843	info "emergency_perl_save: end write uuid\n";
		3844
		3845	cf::write_runtime_sync; # external watchdog should not bark
		3846
		3847	trace "emergency_perl_save: syncing database to disk";
		3848	BDB::db_env_txn_checkpoint $DB_ENV;
		3849
		3850	info "emergency_perl_save: starting sync\n";
		3851	IO::AIO::aio_sync sub {
		3852	info "emergency_perl_save: finished sync\n";
		3853	};
		3854
		3855	cf::write_runtime_sync; # external watchdog should not bark
		3856
		3857	trace "emergency_perl_save: flushing outstanding aio requests";
		3858	while (IO::AIO::nreqs || BDB::nreqs) {
		3859	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3860	}
		3861
		3862	cf::write_runtime_sync; # external watchdog should not bark
2368	};	3863	};
2369		3864
2370	warn "leave emergency perl save\n";	3865	info "emergency_perl_save: leave\n";
2371	}	3866	}
2372		3867
		3868	sub post_cleanup {
		3869	my ($make_core) = @_;
		3870
		3871	IO::AIO::flush;
		3872
		3873	error Carp::longmess "post_cleanup backtrace"
		3874	if $make_core;
		3875
		3876	my $fh = pidfile;
		3877	unlink $PIDFILE if <$fh> == $$;
		3878	}
		3879
		3880	# a safer delete_package, copied from Symbol
		3881	sub clear_package($) {
		3882	my $pkg = shift;
		3883
		3884	# expand to full symbol table name if needed
		3885	unless ($pkg =~ /^main::.*::$/) {
		3886	$pkg = "main$pkg" if $pkg =~ /^::/;
		3887	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3888	$pkg .= '::' unless $pkg =~ /::$/;
		3889	}
		3890
		3891	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3892	my $stem_symtab = *{$stem}{HASH};
		3893
		3894	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3895	or return;
		3896
		3897	# clear all symbols
		3898	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3899	for my $name (keys %$leaf_symtab) {
		3900	_gv_clear *{"$pkg$name"};
		3901	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3902	}
		3903	}
		3904
2373	sub reload() {	3905	sub do_reload_perl() {
2374	# can/must only be called in main	3906	# can/must only be called in main
2375	if ($Coro::current != $Coro::main) {	3907	if (in_main) {
2376	warn "can only reload from main coroutine";	3908	error "can only reload from main coroutine";
2377	return;	3909	return;
2378	}	3910	}
2379		3911
		3912	return if $RELOAD++;
		3913
		3914	my $t1 = AE::time;
		3915
		3916	while ($RELOAD) {
2380	warn "reloading...";	3917	info "reloading...";
2381		3918
2382	warn "cancelling server ticker";	3919	trace "entering sync_job";
2383	$TICK_WATCHER->cancel;
2384		3920
		3921	cf::sync_job {
2385	cf::emergency_save;	3922	cf::emergency_save;
2386		3923
2387	eval {
2388	# if anything goes wrong in here, we should simply crash as we already saved
2389
2390	warn "syncing database to disk";
2391	cf::db_sync;
2392
2393	warn "cancelling all WF_AUTOCANCEL watchers";
2394	for (Event::all_watchers) {
2395	$_->cancel if $_->data & WF_AUTOCANCEL;
2396	}
2397
2398	warn "flushing outstanding aio requests";
2399	for (;;) {
2400	IO::AIO::flush;
2401	Coro::cede;
2402	last unless IO::AIO::nreqs;
2403	warn "iterate...";
2404	}
2405
2406	warn "cancelling all extension coros";	3924	trace "cancelling all extension coros";
2407	$_->cancel for values %EXT_CORO;	3925	$_->cancel for values %EXT_CORO;
2408	%EXT_CORO = ();	3926	%EXT_CORO = ();
2409		3927
2410	warn "removing commands";	3928	trace "removing commands";
2411	%COMMAND = ();	3929	%COMMAND = ();
2412		3930
2413	warn "removing ext commands";	3931	trace "removing ext/exti commands";
2414	%EXTCMD = ();	3932	%EXTCMD = ();
		3933	%EXTICMD = ();
2415		3934
2416	warn "unloading/nuking all extensions";	3935	trace "unloading/nuking all extensions";
2417	for my $pkg (@EXTS) {	3936	for my $pkg (@EXTS) {
2418	warn "... unloading $pkg";	3937	trace "... unloading $pkg";
2419		3938
2420	if (my $cb = $pkg->can ("unload")) {	3939	if (my $cb = $pkg->can ("unload")) {
2421	eval {	3940	eval {
2422	$cb->($pkg);	3941	$cb->($pkg);
2423	1	3942	1
2424	} or warn "$pkg unloaded, but with errors: $@";	3943	} or error "$pkg unloaded, but with errors: $@";
		3944	}
		3945
		3946	trace "... clearing $pkg";
		3947	clear_package $pkg;
2425	}	3948	}
2426		3949
2427	warn "... nuking $pkg";
2428	Symbol::delete_package $pkg;
2429	}
2430
2431	warn "unloading all perl modules loaded from $LIBDIR";	3950	trace "unloading all perl modules loaded from $LIBDIR";
2432	while (my ($k, $v) = each %INC) {	3951	while (my ($k, $v) = each %INC) {
2433	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3952	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2434		3953
2435	warn "... unloading $k";	3954	trace "... unloading $k";
2436	delete $INC{$k};	3955	delete $INC{$k};
2437		3956
2438	$k =~ s/\.pm$//;	3957	$k =~ s/\.pm$//;
2439	$k =~ s/\//::/g;	3958	$k =~ s/\//::/g;
2440		3959
2441	if (my $cb = $k->can ("unload_module")) {	3960	if (my $cb = $k->can ("unload_module")) {
2442	$cb->();	3961	$cb->();
		3962	}
		3963
		3964	clear_package $k;
2443	}	3965	}
2444		3966
2445	Symbol::delete_package $k;
2446	}
2447
2448	warn "getting rid of safe::, as good as possible";	3967	trace "getting rid of safe::, as good as possible";
2449	Symbol::delete_package "safe::$_"	3968	clear_package "safe::$_"
2450	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3969	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2451		3970
2452	warn "unloading cf.pm \"a bit\"";	3971	trace "unloading cf.pm \"a bit\"";
2453	delete $INC{"cf.pm"};	3972	delete $INC{"cf.pm"};
		3973	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2454		3974
2455	# don't, removes xs symbols, too,	3975	# don't, removes xs symbols, too,
2456	# and global variables created in xs	3976	# and global variables created in xs
2457	#Symbol::delete_package __PACKAGE__;	3977	#clear_package __PACKAGE__;
2458		3978
2459	warn "unload completed, starting to reload now";	3979	info "unload completed, starting to reload now";
2460		3980
2461	warn "reloading cf.pm";	3981	trace "reloading cf.pm";
2462	require cf;	3982	require cf;
2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3983	cf::_connect_to_perl_1;
2464		3984
2465	warn "loading config and database again";	3985	trace "loading config and database again";
2466	cf::cfg_load;	3986	cf::reload_config;
2467	cf::db_load;
2468		3987
2469	warn "loading extensions";	3988	trace "loading extensions";
2470	cf::load_extensions;	3989	cf::load_extensions;
2471		3990
		3991	if ($REATTACH_ON_RELOAD) {
2472	warn "reattaching attachments to objects/players";	3992	trace "reattaching attachments to objects/players";
2473	_global_reattach;	3993	_global_reattach; # objects, sockets
2474	warn "reattaching attachments to maps";	3994	trace "reattaching attachments to maps";
2475	reattach $_ for values %MAP;	3995	reattach $_ for values %MAP;
		3996	trace "reattaching attachments to players";
		3997	reattach $_ for values %PLAYER;
		3998	}
2476		3999
2477	warn "loading reloadable resources";	4000	trace "running post_init jobs";
2478	load_resources;	4001	(pop @POST_INIT)->(1) while @POST_INIT;
2479		4002
2480	warn "restarting server ticker";	4003	trace "leaving sync_job";
2481		4004
2482	$TICK_WATCHER->start;	4005	1
		4006	} or do {
		4007	error $@;
		4008	cf::cleanup "error while reloading, exiting.";
		4009	};
		4010
		4011	info "reloaded";
		4012	--$RELOAD;
		4013	}
		4014
		4015	$t1 = AE::time - $t1;
		4016	info "reload completed in ${t1}s\n";
		4017	};
		4018
		4019	our $RELOAD_WATCHER; # used only during reload
		4020
		4021	sub reload_perl() {
		4022	# doing reload synchronously and two reloads happen back-to-back,
		4023	# coro crashes during coro_state_free->destroy here.
		4024
		4025	$RELOAD_WATCHER ||= cf::async {
		4026	Coro::AIO::aio_wait cache_extensions;
		4027
		4028	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4029	do_reload_perl;
		4030	undef $RELOAD_WATCHER;
		4031	};
2483	};	4032	};
2484		4033	}
2485	if ($@) {
2486	warn $@;
2487	warn "error while reloading, exiting.";
2488	exit 1;
2489	}
2490
2491	warn "reloaded";
2492	};
2493
2494	our $RELOAD_WATCHER; # used only during reload
2495		4034
2496	register_command "reload" => sub {	4035	register_command "reload" => sub {
2497	my ($who, $arg) = @_;	4036	my ($who, $arg) = @_;
2498		4037
2499	if ($who->flag (FLAG_WIZ)) {	4038	if ($who->flag (FLAG_WIZ)) {
2500	$who->message ("reloading server.");	4039	$who->message ("reloading server.");
2501		4040	async {
2502	# doing reload synchronously and two reloads happen back-to-back,	4041	$Coro::current->{desc} = "perl_reload";
2503	# coro crashes during coro_state_free->destroy here.
2504
2505	$RELOAD_WATCHER ||= Event->timer (
2506	reentrant => 0,
2507	after => 0,
2508	data => WF_AUTOCANCEL,
2509	cb => sub {
2510	reload;	4042	reload_perl;
2511	undef $RELOAD_WATCHER;
2512	},
2513	);	4043	};
2514	}	4044	}
2515	};	4045	};
2516		4046
2517	unshift @INC, $LIBDIR;	4047	#############################################################################
2518		4048
2519	my $bug_warning = 0;	4049	my $bug_warning = 0;
2520		4050
2521	$TICK_WATCHER = Event->timer (	4051	our @WAIT_FOR_TICK;
2522	reentrant => 0,	4052	our @WAIT_FOR_TICK_BEGIN;
2523	parked => 1,	4053
2524	prio => 0,	4054	sub wait_for_tick {
2525	at => $NEXT_TICK || $TICK,	4055	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2526	data => WF_AUTOCANCEL,	4056
2527	cb => sub {	4057	my $signal = new Coro::Signal;
		4058	push @WAIT_FOR_TICK, $signal;
		4059	$signal->wait;
		4060	}
		4061
		4062	sub wait_for_tick_begin {
		4063	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4064
		4065	my $signal = new Coro::Signal;
		4066	push @WAIT_FOR_TICK_BEGIN, $signal;
		4067	$signal->wait;
		4068	}
		4069
		4070	sub tick {
2528	if ($Coro::current != $Coro::main) {	4071	if ($Coro::current != $Coro::main) {
2529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4072	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2530	unless ++$bug_warning > 10;	4073	unless ++$bug_warning > 10;
2531	return;	4074	return;
2532	}	4075	}
2533		4076
2534	$NOW = Event::time;
2535
2536	cf::server_tick; # one server iteration	4077	cf::server_tick; # one server iteration
2537	$RUNTIME += $TICK;
2538	$NEXT_TICK += $TICK;
2539		4078
2540	$WAIT_FOR_TICK->broadcast;	4079	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2541	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2542		4080
2543	Event::sweep;	4081	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2544	Coro::cede_notself;	4082	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4083	Coro::async_pool {
		4084	$Coro::current->{desc} = "runtime saver";
		4085	write_runtime_sync
		4086	or error "ERROR: unable to write runtime file: $!";
		4087	};
		4088	}
		4089
		4090	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4091	$sig->send;
		4092	}
		4093	while (my $sig = shift @WAIT_FOR_TICK) {
		4094	$sig->send;
		4095	}
		4096
		4097	$LOAD = ($NOW - $TICK_START) / $TICK;
		4098	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4099
		4100	if (0) {
		4101	if ($NEXT_TICK) {
		4102	my $jitter = $TICK_START - $NEXT_TICK;
		4103	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4104	debug "jitter $JITTER\n";#d#
2545		4105	}
2546	# my $AFTER = Event::time;
2547	# warn $AFTER - $NOW;#d#
2548
2549	# if we are delayed by four ticks or more, skip them all
2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2551
2552	$TICK_WATCHER->at ($NEXT_TICK);
2553	$TICK_WATCHER->start;
2554	},	4106	}
2555	);	4107	}
2556		4108
		4109	{
		4110	# configure BDB
		4111
		4112	BDB::min_parallel 16;
		4113	BDB::max_poll_reqs $TICK * 0.1;
		4114	$AnyEvent::BDB::WATCHER->priority (1);
		4115
		4116	unless ($DB_ENV) {
		4117	$DB_ENV = BDB::db_env_create;
		4118	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4119	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4120	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4121	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4122	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4123
		4124	cf::sync_job {
		4125	eval {
		4126	BDB::db_env_open
		4127	$DB_ENV,
		4128	$BDBDIR,
		4129	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4130	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4131	0666;
		4132
		4133	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4134	};
		4135
		4136	cf::cleanup "db_env_open(db): $@" if $@;
		4137	};
		4138	}
		4139
		4140	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4141	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4142	};
		4143	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4144	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4145	};
		4146	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4147	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4148	};
		4149	}
		4150
		4151	{
		4152	# configure IO::AIO
		4153
		4154	IO::AIO::min_parallel 8;
2557	IO::AIO::max_poll_time $TICK * 0.1;	4155	IO::AIO::max_poll_time $TICK * 0.1;
		4156	undef $AnyEvent::AIO::WATCHER;
		4157	}
2558		4158
2559	undef $Coro::AIO::WATCHER;	4159	my $_log_backtrace;
2560	$AIO_POLL_WATCHER = Event->io (
2561	reentrant => 0,
2562	fd => IO::AIO::poll_fileno,
2563	poll => 'r',
2564	prio => 6,
2565	data => WF_AUTOCANCEL,
2566	cb => \&IO::AIO::poll_cb,
2567	);
2568		4160
2569	$WRITE_RUNTIME_WATCHER = Event->timer (	4161	sub _log_backtrace {
2570	reentrant => 0,	4162	my ($msg, @addr) = @_;
2571	data => WF_AUTOCANCEL,	4163
2572	after => 1,	4164	$msg =~ s/\n//;
2573	interval => 10,	4165
2574	prio => 6, # keep it lowest so it acts like a watchdog	4166	# limit the # of concurrent backtraces
2575	cb => Coro::unblock_sub {	4167	if ($_log_backtrace < 2) {
2576	write_runtime	4168	++$_log_backtrace;
2577	or warn "ERROR: unable to write runtime file: $!";	4169	my $perl_bt = Carp::longmess $msg;
		4170	async {
		4171	$Coro::current->{desc} = "abt $msg";
		4172
		4173	my @bt = fork_call {
		4174	@addr = map { sprintf "%x", $_ } @addr;
		4175	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4176	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4177	or die "addr2line: $!";
		4178
		4179	my @funcs;
		4180	my @res = <$fh>;
		4181	chomp for @res;
		4182	while (@res) {
		4183	my ($func, $line) = splice @res, 0, 2, ();
		4184	push @funcs, "[$func] $line";
		4185	}
		4186
		4187	@funcs
		4188	};
		4189
		4190	LOG llevInfo, "[ABT] $perl_bt\n";
		4191	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4192	LOG llevInfo, "[ABT] $_\n" for @bt;
		4193	--$_log_backtrace;
		4194	};
		4195	} else {
		4196	LOG llevInfo, "[ABT] $msg\n";
		4197	LOG llevInfo, "[ABT] [suppressed]\n";
2578	},	4198	}
2579	);	4199	}
		4200
		4201	# load additional modules
		4202	require "cf/$_.pm" for @EXTRA_MODULES;
		4203	cf::_connect_to_perl_2;
2580		4204
2581	END { cf::emergency_save }	4205	END { cf::emergency_save }
2582		4206
2583	1	4207	1
2584		4208

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