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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.187 by root, Sat Jan 20 21:06:52 2007 UTC vs.
Revision 1.539 by root, Tue May 4 22:49:21 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 3.4 ();	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
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		80
36	our %COMMAND = ();	81	our %COMMAND = ();
37	our %COMMAND_TIME = ();	82	our %COMMAND_TIME = ();
38		83
39	our @EXTS = (); # list of extension package names	84	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	85	our %EXTCMD = ();
		86	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	87	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	88	our %EXT_MAP = (); # pluggable maps
43		89
		90	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	91	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	92	our @REFLECT; # set by XS
		93	our %REFLECT; # set by us
46		94
47	our $TICK = MAX_TIME * 1e-6;	95	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	96	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	97	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	98	our $PODDIR = "$DATADIR/pod";
		99	our $MAPDIR = "$DATADIR/" . mapdir;
		100	our $LOCALDIR = localdir;
		101	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		102	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		103	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		104	our $RANDOMDIR = "$LOCALDIR/random";
		105	our $BDBDIR = "$LOCALDIR/db";
		106	our $PIDFILE = "$LOCALDIR/pid";
		107	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		108
		109	our %RESOURCE; # unused
		110
		111	our $OUTPUT_RATE_MIN = 3000;
		112	our $OUTPUT_RATE_MAX = 1000000;
		113
		114	our $MAX_LINKS = 32; # how many chained exits to follow
		115	our $VERBOSE_IO = 1;
		116
		117	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		118	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	119	our $NEXT_TICK;
52	our $NOW;	120	our $USE_FSYNC = 1; # use fsync to write maps - default on
		121
		122	our $BDB_DEADLOCK_WATCHER;
		123	our $BDB_CHECKPOINT_WATCHER;
		124	our $BDB_TRICKLE_WATCHER;
		125	our $DB_ENV;
		126
		127	our @EXTRA_MODULES = qw(pod match mapscript);
53		128
54	our %CFG;	129	our %CFG;
55		130
56	our $UPTIME; $UPTIME ||= time;	131	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	132	our $RUNTIME;
		133	our $NOW;
58		134
59	our %PLAYER; # all users	135	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	136	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	137	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		138
67	# used to convert map paths into valid unix filenames by replacing / by ∕	139	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	140	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		141
		142	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		143	our $LOADAVG; # same thing, but with alpha-smoothing
		144	our $JITTER; # average jitter
		145	our $TICK_START; # for load detecting purposes
		146
		147	our @POST_INIT;
		148
		149	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		150	our $REALLY_UNLOOP; # never set to true, please :)
		151
70	binmode STDOUT;	152	binmode STDOUT;
71	binmode STDERR;	153	binmode STDERR;
72		154
73	# read virtual server time, if available	155	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	156	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	157	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	158	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	159	$RUNTIME = <$fh> + 0.;
78	}	160	}
79		161
80	mkdir cf::localdir;	162	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	163
82	mkdir cf::localdir . "/" . cf::tmpdir;	164	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	165	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		166
86	our $EMERGENCY_POSITION;	167	our $EMERGENCY_POSITION;
		168
		169	sub cf::map::normalise;
		170
		171	sub in_main() {
		172	$Coro::current == $Coro::main
		173	}
		174
		175	#############################################################################
		176
		177	%REFLECT = ();
		178	for (@REFLECT) {
		179	my $reflect = JSON::XS::decode_json $_;
		180	$REFLECT{$reflect->{class}} = $reflect;
		181	}
		182
		183	# this is decidedly evil
		184	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
87		185
88	#############################################################################	186	#############################################################################
89		187
90	=head2 GLOBAL VARIABLES	188	=head2 GLOBAL VARIABLES
91		189
…		…
98	=item $cf::RUNTIME	196	=item $cf::RUNTIME
99		197
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	198	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	199	every server tick.
102		200
103	=item $cf::LIBDIR	201	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		202	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		203	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		204
105	The perl library directory, where extensions and cf-specific modules can	205	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	206	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		207	unique-items directory, player file directory, random maps directory and
		208	database environment.
107		209
108	=item $cf::NOW	210	=item $cf::NOW
109		211
110	The time of the last (current) server tick.	212	The time of the last (current) server tick.
111		213
112	=item $cf::TICK	214	=item $cf::TICK
113		215
114	The interval between server ticks, in seconds.	216	The interval between server ticks, in seconds.
115		217
		218	=item $cf::LOADAVG
		219
		220	The current CPU load on the server (alpha-smoothed), as a value between 0
		221	(none) and 1 (overloaded), indicating how much time is spent on processing
		222	objects per tick. Healthy values are < 0.5.
		223
		224	=item $cf::LOAD
		225
		226	The raw value load value from the last tick.
		227
116	=item %cf::CFG	228	=item %cf::CFG
117		229
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	230	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	231	from wherever your confdir points to.
120		232
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	233	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		234
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	235	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	236	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	237	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	238
		239	=item @cf::INVOKE_RESULTS
		240
		241	This array contains the results of the last C<invoke ()> call. When
		242	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		243	that call.
		244
		245	=item %cf::REFLECT
		246
		247	Contains, for each (C++) class name, a hash reference with information
		248	about object members (methods, scalars, arrays and flags) and other
		249	metadata, which is useful for introspection.
127		250
128	=back	251	=back
129		252
130	=cut	253	=cut
131		254
132	BEGIN {	255	sub error(@) { LOG llevError, join "", @_ }
133	*CORE::GLOBAL::warn = sub {	256	sub warn (@) { LOG llevWarn , join "", @_ }
		257	sub info (@) { LOG llevInfo , join "", @_ }
		258	sub debug(@) { LOG llevDebug, join "", @_ }
		259	sub trace(@) { LOG llevTrace, join "", @_ }
		260
		261	$Coro::State::WARNHOOK = sub {
134	my $msg = join "", @_;	262	my $msg = join "", @_;
135	utf8::encode $msg;
136		263
137	$msg .= "\n"	264	$msg .= "\n"
138	unless $msg =~ /\n$/;	265	unless $msg =~ /\n$/;
139		266
		267	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		268
140	LOG llevError, $msg;	269	LOG llevWarn, $msg;
141	};	270	};
142	}	271
		272	$Coro::State::DIEHOOK = sub {
		273	return unless $^S eq 0; # "eq", not "=="
		274
		275	error Carp::longmess $_[0];
		276
		277	if (in_main) {#d#
		278	error "DIEHOOK called in main context, Coro bug?\n";#d#
		279	return;#d#
		280	}#d#
		281
		282	# kill coroutine otherwise
		283	Coro::terminate
		284	};
143		285
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	286	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	287	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	288	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	289	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	290	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		291	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	292	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		293
151	# we bless all objects into (empty) derived classes to force a method lookup	294	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	295	# within the Safe compartment.
153	for my $pkg (qw(	296	for my $pkg (qw(
154	cf::global cf::attachable	297	cf::global cf::attachable
155	cf::object cf::object::player	298	cf::object cf::object::player
156	cf::client cf::player	299	cf::client cf::player
157	cf::arch cf::living	300	cf::arch cf::living
		301	cf::map cf::mapspace
158	cf::map cf::party cf::region	302	cf::party cf::region
159	)) {	303	)) {
160	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	304	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	305	}
163		306
164	$Event::DIED = sub {	307	$EV::DIED = sub {
165	warn "error in event callback: @_";	308	Carp::cluck "error in event callback: @_";
166	};	309	};
		310
		311	#############################################################################
167		312
168	=head2 UTILITY FUNCTIONS	313	=head2 UTILITY FUNCTIONS
169		314
170	=over 4	315	=over 4
171		316
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	335	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	336	$d
192	} || "[unable to dump $_[0]: '$@']";	337	} || "[unable to dump $_[0]: '$@']";
193	}	338	}
194		339
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	340	=item $ref = cf::decode_json $json
198		341
199	Converts a JSON string into the corresponding perl data structure.	342	Converts a JSON string into the corresponding perl data structure.
200		343
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	344	=item $json = cf::encode_json $ref
209		345
210	Converts a perl data structure into its JSON representation.	346	Converts a perl data structure into its JSON representation.
211		347
212	=cut	348	=cut
213		349
214	sub to_json($) {	350	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	351
216	JSON::Syck::Dump $_[0]	352	sub encode_json($) { $json_coder->encode ($_[0]) }
		353	sub decode_json($) { $json_coder->decode ($_[0]) }
		354
		355	=item cf::post_init { BLOCK }
		356
		357	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		358	but I<before> the server starts ticking again.
		359
		360	The cdoeblock will have a single boolean argument to indicate whether this
		361	is a reload or not.
		362
		363	=cut
		364
		365	sub post_init(&) {
		366	push @POST_INIT, shift;
217	}	367	}
218		368
219	=item cf::lock_wait $string	369	=item cf::lock_wait $string
220		370
221	Wait until the given lock is available. See cf::lock_acquire.	371	Wait until the given lock is available. See cf::lock_acquire.
222		372
223	=item my $lock = cf::lock_acquire $string	373	=item my $lock = cf::lock_acquire $string
224		374
225	Wait until the given lock is available and then acquires it and returns	375	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	376	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	377	for example when the coroutine gets canceled), the lock is automatically
228	returned.	378	returned.
229		379
		380	Locks are *not* recursive, locking from the same coro twice results in a
		381	deadlocked coro.
		382
230	Lock names should begin with a unique identifier (for example, cf::map::find	383	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	384	uses map_find and cf::map::load uses map_load).
232		385
233	=cut	386	=item $locked = cf::lock_active $string
234		387
235	our %LOCK;	388	Return true if the lock is currently active, i.e. somebody has locked it.
		389
		390	=cut
		391
		392	our $LOCKS = new Coro::SemaphoreSet;
236		393
237	sub lock_wait($) {	394	sub lock_wait($) {
238	my ($key) = @_;	395	$LOCKS->wait ($_[0]);
239
240	# wait for lock, if any
241	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;
244	}
245	}	396	}
246		397
247	sub lock_acquire($) {	398	sub lock_acquire($) {
248	my ($key) = @_;	399	$LOCKS->guard ($_[0])
		400	}
249		401
250	# wait, to be sure we are not locked	402	sub lock_active($) {
251	lock_wait $key;	403	$LOCKS->count ($_[0]) < 1
252
253	$LOCK{$key} = [];
254
255	Coro::guard {
256	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };
258	}
259	}	404	}
260		405
261	sub freeze_mainloop {	406	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	407	tick_inhibit_inc;
263		408
264	my $guard = Coro::guard {	409	&Guard::guard (\&tick_inhibit_dec);
265	$TICK_WATCHER->start;	410	}
266	$WRITE_RUNTIME_WATCHER->start;	411
		412	=item cf::periodic $interval, $cb
		413
		414	Like EV::periodic, but randomly selects a starting point so that the actions
		415	get spread over time.
		416
		417	=cut
		418
		419	sub periodic($$) {
		420	my ($interval, $cb) = @_;
		421
		422	my $start = rand List::Util::min 180, $interval;
		423
		424	EV::periodic $start, $interval, 0, $cb
		425	}
		426
		427	=item cf::get_slot $time[, $priority[, $name]]
		428
		429	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		430	This call blocks and returns only when you have at least C<$time> seconds
		431	of cpu time till the next tick. The slot is only valid till the next cede.
		432
		433	The optional C<$name> can be used to identify the job to run. It might be
		434	used for statistical purposes and should identify the same time-class.
		435
		436	Useful for short background jobs.
		437
		438	=cut
		439
		440	our @SLOT_QUEUE;
		441	our $SLOT_QUEUE;
		442	our $SLOT_DECAY = 0.9;
		443
		444	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		445	$SLOT_QUEUE = Coro::async {
		446	$Coro::current->desc ("timeslot manager");
		447
		448	my $signal = new Coro::Signal;
		449	my $busy;
		450
		451	while () {
		452	next_job:
		453
		454	my $avail = cf::till_tick;
		455
		456	for (0 .. $#SLOT_QUEUE) {
		457	if ($SLOT_QUEUE[$_][0] <= $avail) {
		458	$busy = 0;
		459	my $job = splice @SLOT_QUEUE, $_, 1, ();
		460	$job->[2]->send;
		461	Coro::cede;
		462	goto next_job;
		463	} else {
		464	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		465	}
		466	}
		467
		468	if (@SLOT_QUEUE) {
		469	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		470	push @cf::WAIT_FOR_TICK, $signal;
		471	$signal->wait;
		472	} else {
		473	$busy = 0;
		474	Coro::schedule;
		475	}
267	};	476	}
268	$WRITE_RUNTIME_WATCHER->stop;	477	};
269	$TICK_WATCHER->stop;	478
270	$guard	479	sub get_slot($;$$) {
		480	return if tick_inhibit || $Coro::current == $Coro::main;
		481
		482	my ($time, $pri, $name) = @_;
		483
		484	$time = clamp $time, 0.01, $TICK * .6;
		485
		486	my $sig = new Coro::Signal;
		487
		488	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		489	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		490	$SLOT_QUEUE->ready;
		491	$sig->wait;
271	}	492	}
272		493
273	=item cf::async { BLOCK }	494	=item cf::async { BLOCK }
274		495
275	Currently the same as Coro::async_pool, meaning you cannot use	496	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		501
281	BEGIN { *async = \&Coro::async_pool }	502	BEGIN { *async = \&Coro::async_pool }
282		503
283	=item cf::sync_job { BLOCK }	504	=item cf::sync_job { BLOCK }
284		505
285	The design of crossfire+ requires that the main coro ($Coro::main) is	506	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	507	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	508	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		509	acceptable.
288		510
289	If it must be done, put the blocking parts into C<sync_job>. This will run	511	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	512	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	513	server will be frozen during this time, so the block should either finish
292	fast or be very important.	514	fast or be very important.
…		…
294	=cut	516	=cut
295		517
296	sub sync_job(&) {	518	sub sync_job(&) {
297	my ($job) = @_;	519	my ($job) = @_;
298		520
299	if ($Coro::current == $Coro::main) {	521	if (in_main) {
		522	my $time = AE::time;
		523
300	# this is the main coro, too bad, we have to block	524	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	525	# till the operation succeeds, freezing the server :/
302		526
303	# TODO: use suspend/resume instead	527	#LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	528
305	my $freeze_guard = freeze_mainloop;	529	my $freeze_guard = freeze_mainloop;
306		530
307	my $busy = 1;	531	my $busy = 1;
308	my @res;	532	my @res;
309		533
310	(async {	534	(async {
		535	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	536	@res = eval { $job->() };
312	warn $@ if $@;	537	error $@ if $@;
313	undef $busy;	538	undef $busy;
314	})->prio (Coro::PRIO_MAX);	539	})->prio (Coro::PRIO_MAX);
315		540
316	while ($busy) {	541	while ($busy) {
317	Coro::cede or Event::one_event;	542	if (Coro::nready) {
		543	Coro::cede_notself;
		544	} else {
		545	EV::loop EV::LOOP_ONESHOT;
318	}	546	}
		547	}
		548
		549	my $time = AE::time - $time;
		550
		551	$TICK_START += $time; # do not account sync jobs to server load
319		552
320	wantarray ? @res : $res[0]	553	wantarray ? @res : $res[0]
321	} else {	554	} else {
322	# we are in another coroutine, how wonderful, everything just works	555	# we are in another coroutine, how wonderful, everything just works
323		556
…		…
343	$EXT_CORO{$coro+0} = $coro;	576	$EXT_CORO{$coro+0} = $coro;
344		577
345	$coro	578	$coro
346	}	579	}
347		580
348	sub write_runtime {	581	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		582
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	583	Executes the given code block with the given arguments in a seperate
352	or return;	584	process, returning the results. Everything must be serialisable with
		585	Coro::Storable. May, of course, block. Note that the executed sub may
		586	never block itself or use any form of event handling.
353		587
354	my $value = $cf::RUNTIME + 90 + 10;	588	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		589
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	590	sub fork_call(&@) {
359	and return;	591	my ($cb, @args) = @_;
360		592
361	aio_fsync $fh	593	# we seemingly have to make a local copy of the whole thing,
362	and return;	594	# otherwise perl prematurely frees the stuff :/
		595	# TODO: investigate and fix (likely this will be rather laborious)
363		596
364	close $fh	597	my @res = Coro::Util::fork_eval {
365	or return;	598	reset_signals;
		599	&$cb
		600	}, @args;
366		601
367	aio_rename "$runtime~", $runtime	602	wantarray ? @res : $res[-1]
368	and return;	603	}
369		604
		605	sub objinfo {
370	1	606	(
		607	"counter value" => cf::object::object_count,
		608	"objects created" => cf::object::create_count,
		609	"objects destroyed" => cf::object::destroy_count,
		610	"freelist size" => cf::object::free_count,
		611	"allocated objects" => cf::object::objects_size,
		612	"active objects" => cf::object::actives_size,
		613	)
		614	}
		615
		616	=item $coin = coin_from_name $name
		617
		618	=cut
		619
		620	our %coin_alias = (
		621	"silver" => "silvercoin",
		622	"silvercoin" => "silvercoin",
		623	"silvercoins" => "silvercoin",
		624	"gold" => "goldcoin",
		625	"goldcoin" => "goldcoin",
		626	"goldcoins" => "goldcoin",
		627	"platinum" => "platinacoin",
		628	"platinumcoin" => "platinacoin",
		629	"platinumcoins" => "platinacoin",
		630	"platina" => "platinacoin",
		631	"platinacoin" => "platinacoin",
		632	"platinacoins" => "platinacoin",
		633	"royalty" => "royalty",
		634	"royalties" => "royalty",
		635	);
		636
		637	sub coin_from_name($) {
		638	$coin_alias{$_[0]}
		639	? cf::arch::find $coin_alias{$_[0]}
		640	: undef
		641	}
		642
		643	=item $value = cf::db_get $family => $key
		644
		645	Returns a single value from the environment database.
		646
		647	=item cf::db_put $family => $key => $value
		648
		649	Stores the given C<$value> in the family. It can currently store binary
		650	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		651
		652	=item $db = cf::db_table "name"
		653
		654	Create and/or open a new database table. The string must not be "db" and must be unique
		655	within each server.
		656
		657	=cut
		658
		659	sub db_table($) {
		660	cf::error "db_get called from main context"
		661	if $Coro::current == $Coro::main;
		662
		663	my ($name) = @_;
		664	my $db = BDB::db_create $DB_ENV;
		665
		666	eval {
		667	$db->set_flags (BDB::CHKSUM);
		668
		669	utf8::encode $name;
		670	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		671	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		672	cf::cleanup "db_open(db): $!" if $!;
		673	};
		674	cf::cleanup "db_open(db): $@" if $@;
		675
		676	$db
		677	}
		678
		679	our $DB;
		680
		681	sub db_init {
		682	$DB ||= db_table "db";
		683	}
		684
		685	sub db_get($$) {
		686	my $key = "$_[0]/$_[1]";
		687
		688	cf::error "db_get called from main context"
		689	if $Coro::current == $Coro::main;
		690
		691	BDB::db_get $DB, undef, $key, my $data;
		692
		693	$! ? ()
		694	: $data
		695	}
		696
		697	sub db_put($$$) {
		698	BDB::dbreq_pri 4;
		699	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		700	}
		701
		702	=item cf::cache $id => [$paths...], $processversion => $process
		703
		704	Generic caching function that returns the value of the resource $id,
		705	caching and regenerating as required.
		706
		707	This function can block.
		708
		709	=cut
		710
		711	sub cache {
		712	my ($id, $src, $processversion, $process) = @_;
		713
		714	my $meta =
		715	join "\x00",
		716	$processversion,
		717	map {
		718	aio_stat $_
		719	and Carp::croak "$_: $!";
		720
		721	($_, (stat _)[7,9])
		722	} @$src;
		723
		724	my $dbmeta = db_get cache => "$id/meta";
		725	if ($dbmeta ne $meta) {
		726	# changed, we may need to process
		727
		728	my @data;
		729	my $md5;
		730
		731	for (0 .. $#$src) {
		732	0 <= aio_load $src->[$_], $data[$_]
		733	or Carp::croak "$src->[$_]: $!";
		734	}
		735
		736	# if processing is expensive, check
		737	# checksum first
		738	if (1) {
		739	$md5 =
		740	join "\x00",
		741	$processversion,
		742	map {
		743	cf::cede_to_tick;
		744	($src->[$_], Digest::MD5::md5_hex $data[$_])
		745	} 0.. $#$src;
		746
		747
		748	my $dbmd5 = db_get cache => "$id/md5";
		749	if ($dbmd5 eq $md5) {
		750	db_put cache => "$id/meta", $meta;
		751
		752	return db_get cache => "$id/data";
		753	}
		754	}
		755
		756	my $t1 = Time::HiRes::time;
		757	my $data = $process->(\@data);
		758	my $t2 = Time::HiRes::time;
		759
		760	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		761
		762	db_put cache => "$id/data", $data;
		763	db_put cache => "$id/md5" , $md5;
		764	db_put cache => "$id/meta", $meta;
		765
		766	return $data;
		767	}
		768
		769	db_get cache => "$id/data"
		770	}
		771
		772	=item cf::datalog type => key => value, ...
		773
		774	Log a datalog packet of the given type with the given key-value pairs.
		775
		776	=cut
		777
		778	sub datalog($@) {
		779	my ($type, %kv) = @_;
		780	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371	}	781	}
372		782
373	=back	783	=back
374		784
375	=cut	785	=cut
376		786
377	#############################################################################	787	#############################################################################
378		788
379	=head2 ATTACHABLE OBJECTS	789	=head2 ATTACHABLE OBJECTS
380		790
381	Many objects in crossfire are so-called attachable objects. That means you can	791	Many objects in deliantra are so-called attachable objects. That means you can
382	attach callbacks/event handlers (a collection of which is called an "attachment")	792	attach callbacks/event handlers (a collection of which is called an "attachment")
383	to it. All such attachable objects support the following methods.	793	to it. All such attachable objects support the following methods.
384		794
385	In the following description, CLASS can be any of C<global>, C<object>	795	In the following description, CLASS can be any of C<global>, C<object>
386	C<player>, C<client> or C<map> (i.e. the attachable objects in	796	C<player>, C<client> or C<map> (i.e. the attachable objects in
387	crossfire+).	797	Deliantra).
388		798
389	=over 4	799	=over 4
390		800
391	=item $attachable->attach ($attachment, key => $value...)	801	=item $attachable->attach ($attachment, key => $value...)
392		802
…		…
436	=item cf::CLASS::attachment $name, ...	846	=item cf::CLASS::attachment $name, ...
437		847
438	Register an attachment by C<$name> through which attachable objects of the	848	Register an attachment by C<$name> through which attachable objects of the
439	given CLASS can refer to this attachment.	849	given CLASS can refer to this attachment.
440		850
441	Some classes such as crossfire maps and objects can specify attachments	851	Some classes such as deliantra maps and objects can specify attachments
442	that are attached at load/instantiate time, thus the need for a name.	852	that are attached at load/instantiate time, thus the need for a name.
443		853
444	These calls expect any number of the following handler/hook descriptions:	854	These calls expect any number of the following handler/hook descriptions:
445		855
446	=over 4	856	=over 4
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	965	$registry = $CB_TYPE[$object_type] ||= [];
556		966
557	} elsif ($type eq "subtype") {	967	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	968	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	969	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	970	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		971
562	} elsif ($type eq "package") {	972	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	973	my $pkg = shift @arg;
564		974
565	while (my ($name, $id) = each %cb_id) {	975	while (my ($name, $id) = each %cb_id) {
…		…
570		980
571	} elsif (exists $cb_id{$type}) {	981	} elsif (exists $cb_id{$type}) {
572	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	982	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
573		983
574	} elsif (ref $type) {	984	} elsif (ref $type) {
575	warn "attaching objects not supported, ignoring.\n";	985	error "attaching objects not supported, ignoring.\n";
576		986
577	} else {	987	} else {
578	shift @arg;	988	shift @arg;
579	warn "attach argument '$type' not supported, ignoring.\n";	989	error "attach argument '$type' not supported, ignoring.\n";
580	}	990	}
581	}	991	}
582	}	992	}
583		993
584	sub _object_attach {	994	sub _object_attach {
…		…
594	_attach $registry, $klass, @attach;	1004	_attach $registry, $klass, @attach;
595	}	1005	}
596		1006
597	$obj->{$name} = \%arg;	1007	$obj->{$name} = \%arg;
598	} else {	1008	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	1009	info "object uses attachment '$name' which is not available, postponing.\n";
600	}	1010	}
601		1011
602	$obj->{_attachment}{$name} = undef;	1012	$obj->{_attachment}{$name} = undef;
603	}	1013	}
604		1014
…		…
606	if (ref $_[0]) {	1016	if (ref $_[0]) {
607	_object_attach @_;	1017	_object_attach @_;
608	} else {	1018	} else {
609	_attach shift->_attach_registry, @_;	1019	_attach shift->_attach_registry, @_;
610	}	1020	}
		1021	_recalc_want;
611	};	1022	};
612		1023
613	# all those should be optimised	1024	# all those should be optimised
614	sub cf::attachable::detach {	1025	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	1026	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	1029	delete $obj->{_attachment}{$name};
619	reattach ($obj);	1030	reattach ($obj);
620	} else {	1031	} else {
621	Carp::croak "cannot, currently, detach class attachments";	1032	Carp::croak "cannot, currently, detach class attachments";
622	}	1033	}
		1034	_recalc_want;
623	};	1035	};
624		1036
625	sub cf::attachable::attached {	1037	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	1038	my ($obj, $name) = @_;
627		1039
…		…
642	";	1054	";
643	die if $@;	1055	die if $@;
644	}	1056	}
645		1057
646	our $override;	1058	our $override;
647	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1059	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
648		1060
649	sub override {	1061	sub override {
650	$override = 1;	1062	$override = 1;
651	@invoke_results = ();	1063	@INVOKE_RESULTS = (@_);
652	}	1064	}
653		1065
654	sub do_invoke {	1066	sub do_invoke {
655	my $event = shift;	1067	my $event = shift;
656	my $callbacks = shift;	1068	my $callbacks = shift;
657		1069
658	@invoke_results = ();	1070	@INVOKE_RESULTS = ();
659		1071
660	local $override;	1072	local $override;
661		1073
662	for (@$callbacks) {	1074	for (@$callbacks) {
663	eval { &{$_->[1]} };	1075	eval { &{$_->[1]} };
664		1076
665	if ($@) {	1077	if ($@) {
666	warn "$@";
667	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1078	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
668	override;	1079	override;
669	}	1080	}
670		1081
671	return 1 if $override;	1082	return 1 if $override;
672	}	1083	}
673		1084
674	0	1085	0
675	}	1086	}
676		1087
677	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1088	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
678		1089
679	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
680		1091
681	Generate an object-specific event with the given arguments.	1092	Generate an object-specific event with the given arguments.
682		1093
683	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1094	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
684	removed in future versions), and there is no public API to access override	1095	removed in future versions), and there is no public API to access override
685	results (if you must, access C<@cf::invoke_results> directly).	1096	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686		1097
687	=back	1098	=back
688		1099
689	=cut	1100	=cut
690		1101
691	#############################################################################	1102	#############################################################################
692	# object support	1103	# object support
		1104
		1105	sub _object_equal($$);
		1106	sub _object_equal($$) {
		1107	my ($a, $b) = @_;
		1108
		1109	return 0 unless (ref $a) eq (ref $b);
		1110
		1111	if ("HASH" eq ref $a) {
		1112	my @ka = keys %$a;
		1113	my @kb = keys %$b;
		1114
		1115	return 0 if @ka != @kb;
		1116
		1117	for (0 .. $#ka) {
		1118	return 0 unless $ka[$_] eq $kb[$_];
		1119	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1120	}
		1121
		1122	} elsif ("ARRAY" eq ref $a) {
		1123
		1124	return 0 if @$a != @$b;
		1125
		1126	for (0 .. $#$a) {
		1127	return 0 unless _object_equal $a->[$_], $b->[$_];
		1128	}
		1129
		1130	} elsif ($a ne $b) {
		1131	return 0;
		1132	}
		1133
		1134	1
		1135	}
		1136
		1137	our $SLOW_MERGES;#d#
		1138	sub _can_merge {
		1139	my ($ob1, $ob2) = @_;
		1140
		1141	++$SLOW_MERGES;#d#
		1142
		1143	# we do the slow way here
		1144	return _object_equal $ob1, $ob2
		1145	}
693		1146
694	sub reattach {	1147	sub reattach {
695	# basically do the same as instantiate, without calling instantiate	1148	# basically do the same as instantiate, without calling instantiate
696	my ($obj) = @_;	1149	my ($obj) = @_;
697		1150
		1151	# no longer needed after getting rid of delete_package?
698	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1152	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
699		1153
700	my $registry = $obj->registry;	1154	my $registry = $obj->registry;
701		1155
702	@$registry = ();	1156	@$registry = ();
703		1157
…		…
708	for (@$attach) {	1162	for (@$attach) {
709	my ($klass, @attach) = @$_;	1163	my ($klass, @attach) = @$_;
710	_attach $registry, $klass, @attach;	1164	_attach $registry, $klass, @attach;
711	}	1165	}
712	} else {	1166	} else {
713	warn "object uses attachment '$name' that is not available, postponing.\n";	1167	info "object uses attachment '$name' that is not available, postponing.\n";
714	}	1168	}
715	}	1169	}
716	}	1170	}
717		1171
718	cf::attachable->attach (	1172	cf::attachable->attach (
719	prio => -1000000,	1173	prio => -1000000,
720	on_instantiate => sub {	1174	on_instantiate => sub {
721	my ($obj, $data) = @_;	1175	my ($obj, $data) = @_;
722		1176
723	$data = from_json $data;	1177	$data = decode_json $data;
724		1178
725	for (@$data) {	1179	for (@$data) {
726	my ($name, $args) = @$_;	1180	my ($name, $args) = @$_;
727		1181
728	$obj->attach ($name, %{$args || {} });	1182	$obj->attach ($name, %{$args || {} });
…		…
744	sub object_freezer_save {	1198	sub object_freezer_save {
745	my ($filename, $rdata, $objs) = @_;	1199	my ($filename, $rdata, $objs) = @_;
746		1200
747	sync_job {	1201	sync_job {
748	if (length $$rdata) {	1202	if (length $$rdata) {
		1203	utf8::decode (my $decname = $filename);
749	warn sprintf "saving %s (%d,%d)\n",	1204	trace sprintf "saving %s (%d,%d)\n",
750	$filename, length $$rdata, scalar @$objs;	1205	$decname, length $$rdata, scalar @$objs
		1206	if $VERBOSE_IO;
751		1207
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1208	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	1209	aio_chmod $fh, SAVE_MODE;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1210	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1211	if ($cf::USE_FSYNC) {
		1212	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
755	aio_fsync $fh;	1213	aio_fsync $fh;
		1214	}
756	close $fh;	1215	aio_close $fh;
757		1216
758	if (@$objs) {	1217	if (@$objs) {
759	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1218	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760	chmod SAVE_MODE, $fh;	1219	aio_chmod $fh, SAVE_MODE;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	1220	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	1221	aio_write $fh, 0, (length $data), $data, 0;
		1222	if ($cf::USE_FSYNC) {
		1223	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
763	aio_fsync $fh;	1224	aio_fsync $fh;
		1225	}
764	close $fh;	1226	aio_close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	1227	aio_rename "$filename.pst~", "$filename.pst";
766	}	1228	}
767	} else {	1229	} else {
768	aio_unlink "$filename.pst";	1230	aio_unlink "$filename.pst";
769	}	1231	}
770		1232
771	aio_rename "$filename~", $filename;	1233	aio_rename "$filename~", $filename;
		1234
		1235	$filename =~ s%/[^/]+$%%;
		1236	aio_pathsync $filename if $cf::USE_FSYNC;
772	} else {	1237	} else {
773	warn "FATAL: $filename~: $!\n";	1238	error "unable to save objects: $filename~: $!\n";
774	}	1239	}
775	} else {	1240	} else {
776	aio_unlink $filename;	1241	aio_unlink $filename;
777	aio_unlink "$filename.pst";	1242	aio_unlink "$filename.pst";
778	}	1243	}
779	}	1244	};
780	}	1245	}
781		1246
782	sub object_freezer_as_string {	1247	sub object_freezer_as_string {
783	my ($rdata, $objs) = @_;	1248	my ($rdata, $objs) = @_;
784		1249
…		…
796	or return;	1261	or return;
797		1262
798	unless (aio_stat "$filename.pst") {	1263	unless (aio_stat "$filename.pst") {
799	(aio_load "$filename.pst", $av) >= 0	1264	(aio_load "$filename.pst", $av) >= 0
800	or return;	1265	or return;
		1266
801	$av = eval { (Storable::thaw $av)->{objs} };	1267	my $st = eval { Coro::Storable::thaw $av };
		1268	$av = $st->{objs};
802	}	1269	}
803		1270
		1271	utf8::decode (my $decname = $filename);
804	warn sprintf "loading %s (%d)\n",	1272	trace sprintf "loading %s (%d,%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1273	$decname, length $data, scalar @{$av || []}
		1274	if $VERBOSE_IO;
		1275
806	return ($data, $av);	1276	($data, $av)
807	}	1277	}
		1278
		1279	=head2 COMMAND CALLBACKS
		1280
		1281	=over 4
		1282
		1283	=cut
808		1284
809	#############################################################################	1285	#############################################################################
810	# command handling &c	1286	# command handling &c
811		1287
812	=item cf::register_command $name => \&callback($ob,$args);	1288	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1301	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1302	}
827		1303
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1304	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1305
830	Register a callbackf ro execution when the client sends an extcmd packet.	1306	Register a callback for execution when the client sends an (synchronous)
		1307	extcmd packet. Ext commands will be processed in the order they are
		1308	received by the server, like other user commands. The first argument is
		1309	the logged-in player. Ext commands can only be processed after a player
		1310	has logged in successfully.
831		1311
832	If the callback returns something, it is sent back as if reply was being	1312	If the callback returns something, it is sent back as if reply was being
833	called.	1313	called.
834		1314
		1315	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1316
		1317	Register a callback for execution when the client sends an (asynchronous)
		1318	exticmd packet. Exti commands are processed by the server as soon as they
		1319	are received, i.e. out of order w.r.t. other commands. The first argument
		1320	is a client socket. Exti commands can be received anytime, even before
		1321	log-in.
		1322
		1323	If the callback returns something, it is sent back as if reply was being
		1324	called.
		1325
835	=cut	1326	=cut
836		1327
837	sub register_extcmd {	1328	sub register_extcmd {
838	my ($name, $cb) = @_;	1329	my ($name, $cb) = @_;
839		1330
840	$EXTCMD{$name} = $cb;	1331	$EXTCMD{$name} = $cb;
841	}	1332	}
842		1333
		1334	sub register_exticmd {
		1335	my ($name, $cb) = @_;
		1336
		1337	$EXTICMD{$name} = $cb;
		1338	}
		1339
		1340	use File::Glob ();
		1341
843	cf::player->attach (	1342	cf::player->attach (
844	on_command => sub {	1343	on_unknown_command => sub {
845	my ($pl, $name, $params) = @_;	1344	my ($pl, $name, $params) = @_;
846		1345
847	my $cb = $COMMAND{$name}	1346	my $cb = $COMMAND{$name}
848	or return;	1347	or return;
849		1348
…		…
854	cf::override;	1353	cf::override;
855	},	1354	},
856	on_extcmd => sub {	1355	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1356	my ($pl, $buf) = @_;
858		1357
859	my $msg = eval { from_json $buf };	1358	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1359
861	if (ref $msg) {	1360	if (ref $msg) {
		1361	my ($type, $reply, @payload) =
		1362	"ARRAY" eq ref $msg
		1363	? @$msg
		1364	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1365
		1366	my @reply;
		1367
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1368	if (my $cb = $EXTCMD{$type}) {
863	if (my %reply = $cb->($pl, $msg)) {	1369	@reply = $cb->($pl, @payload);
864	$pl->ext_reply ($msg->{msgid}, %reply);
865	}
866	}	1370	}
		1371
		1372	$pl->ext_reply ($reply, @reply)
		1373	if $reply;
		1374
867	} else {	1375	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1376	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869	}	1377	}
870		1378
871	cf::override;	1379	cf::override;
872	},	1380	},
873	);	1381	);
874		1382
		1383	# "readahead" all extensions
875	sub load_extension {	1384	sub cache_extensions {
876	my ($path) = @_;	1385	my $grp = IO::AIO::aio_group;
877		1386
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1387	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
879	my $base = $1;	1388	for (grep /\.ext$/, @{$_[0]}) {
880	my $pkg = $1;	1389	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}	1390	}
903	die $@;
904	}	1391	};
905		1392
906	push @EXTS, $pkg;	1393	$grp
907	}	1394	}
908		1395
909	sub load_extensions {	1396	sub load_extensions {
		1397	info "loading extensions...";
		1398
		1399	cf::sync_job {
		1400	my %todo;
		1401
910	for my $ext (<$LIBDIR/*.ext>) {	1402	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1403	next unless -r $path;
912	eval {	1404
913	load_extension $ext;	1405	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1406	my $base = $1;
		1407	my $pkg = $1;
		1408	$pkg =~ s/[^[:word:]]/_/g;
		1409	$pkg = "ext::$pkg";
		1410
		1411	open my $fh, "<:utf8", $path
		1412	or die "$path: $!";
		1413
		1414	my $source = do { local $/; <$fh> };
		1415
		1416	my %ext = (
		1417	path => $path,
		1418	base => $base,
		1419	pkg => $pkg,
		1420	);
		1421
		1422	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1423	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1424
		1425	$ext{source} =
		1426	"package $pkg; use common::sense;\n"
		1427	. "#line 1 \"$path\"\n{\n"
		1428	. $source
		1429	. "\n};\n1";
		1430
		1431	$todo{$base} = \%ext;
		1432	}
		1433
		1434	my $pass = 0;
		1435	my %done;
		1436	while (%todo) {
		1437	my $progress;
		1438
		1439	++$pass;
		1440
		1441	ext:
		1442	while (my ($k, $v) = each %todo) {
		1443	for (split /,\s*/, $v->{meta}{depends}) {
		1444	next ext
		1445	unless exists $done{$_};
		1446	}
		1447
		1448	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1449
		1450	my $active = eval $v->{source};
		1451
		1452	if (length $@) {
		1453	error "$v->{path}: $@\n";
		1454	undef $@; # work around perl 5.10.0 utf-8 caching bug
		1455
		1456	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1457	if exists $v->{meta}{mandatory};
		1458
		1459	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1460	delete $todo{$k};
		1461	} else {
		1462	$done{$k} = delete $todo{$k};
		1463	push @EXTS, $v->{pkg};
		1464	$progress = 1;
		1465
		1466	info "$v->{base}: extension inactive.\n"
		1467	unless $active;
		1468	}
914	1	1469	}
915	} or warn "$ext not loaded: $@";	1470
		1471	unless ($progress) {
		1472	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1473
		1474	while (my ($k, $v) = each %todo) {
		1475	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1476	if exists $v->{meta}{mandatory};
		1477	}
		1478	}
		1479	}
916	}	1480	};
917	}	1481	}
918		1482
919	#############################################################################	1483	#############################################################################
920		1484
		1485	=back
		1486
921	=head2 CORE EXTENSIONS	1487	=head2 CORE EXTENSIONS
922		1488
923	Functions and methods that extend core crossfire objects.	1489	Functions and methods that extend core deliantra objects.
924		1490
925	=cut	1491	=cut
926		1492
927	package cf::player;	1493	package cf::player;
928		1494
…		…
930		1496
931	=head3 cf::player	1497	=head3 cf::player
932		1498
933	=over 4	1499	=over 4
934		1500
		1501	=item cf::player::num_playing
		1502
		1503	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1504
		1505	=cut
		1506
		1507	sub num_playing {
		1508	scalar grep
		1509	$_->ob->map
		1510	&& !$_->hidden
		1511	&& !$_->ob->flag (cf::FLAG_WIZ),
		1512	cf::player::list
		1513	}
		1514
935	=item cf::player::find $login	1515	=item cf::player::find $login
936		1516
937	Returns the given player object, loading it if necessary (might block).	1517	Returns the given player object, loading it if necessary (might block).
938		1518
939	=cut	1519	=cut
940		1520
941	sub playerdir($) {	1521	sub playerdir($) {
942	cf::localdir	1522	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1523	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1524	}
948		1525
949	sub path($) {	1526	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1527	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1528
952	(playerdir $login) . "/$login.pl"	1529	(playerdir $login) . "/playerdata"
953	}	1530	}
954		1531
955	sub find_active($) {	1532	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1533	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1534	and $cf::PLAYER{$_[0]}->active
…		…
960		1537
961	sub exists($) {	1538	sub exists($) {
962	my ($login) = @_;	1539	my ($login) = @_;
963		1540
964	$cf::PLAYER{$login}	1541	$cf::PLAYER{$login}
965	or cf::sync_job { !aio_stat path $login }	1542	or !aio_stat path $login
966	}	1543	}
967		1544
968	sub find($) {	1545	sub find($) {
969	return $cf::PLAYER{$_[0]} || do {	1546	return $cf::PLAYER{$_[0]} || do {
970	my $login = $_[0];	1547	my $login = $_[0];
971		1548
972	my $guard = cf::lock_acquire "user_find:$login";	1549	my $guard = cf::lock_acquire "user_find:$login";
973		1550
974	$cf::PLAYER{$_[0]} || do {	1551	$cf::PLAYER{$_[0]} || do {
975	my $pl = load_pl path $login	1552	# rename old playerfiles to new ones
		1553	#TODO: remove when no longer required
		1554	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1555	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1556	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1557	aio_unlink +(playerdir $login) . "/$login.pl";
		1558
		1559	my $f = new_from_file cf::object::thawer path $login
976	or return;	1560	or return;
		1561
		1562	my $pl = cf::player::load_pl $f
		1563	or return;
		1564
		1565	local $cf::PLAYER_LOADING{$login} = $pl;
		1566	$f->resolve_delayed_derefs;
977	$cf::PLAYER{$login} = $pl	1567	$cf::PLAYER{$login} = $pl
978	}	1568	}
979	}	1569	}
980	}	1570	}
		1571
		1572	cf::player->attach (
		1573	on_load => sub {
		1574	my ($pl, $path) = @_;
		1575
		1576	# restore slots saved in save, below
		1577	my $slots = delete $pl->{_slots};
		1578
		1579	$pl->ob->current_weapon ($slots->[0]);
		1580	$pl->combat_ob ($slots->[1]);
		1581	$pl->ranged_ob ($slots->[2]);
		1582	},
		1583	);
981		1584
982	sub save($) {	1585	sub save($) {
983	my ($pl) = @_;	1586	my ($pl) = @_;
984		1587
985	return if $pl->{deny_save};	1588	return if $pl->{deny_save};
…		…
990	return if $pl->{deny_save};	1593	return if $pl->{deny_save};
991		1594
992	aio_mkdir playerdir $pl, 0770;	1595	aio_mkdir playerdir $pl, 0770;
993	$pl->{last_save} = $cf::RUNTIME;	1596	$pl->{last_save} = $cf::RUNTIME;
994		1597
		1598	cf::get_slot 0.01;
		1599
		1600	# save slots, to be restored later
		1601	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1602
995	$pl->save_pl ($path);	1603	$pl->save_pl ($path);
996	Coro::cede;	1604	cf::cede_to_tick;
997	}	1605	}
998		1606
999	sub new($) {	1607	sub new($) {
1000	my ($login) = @_;	1608	my ($login) = @_;
1001		1609
…		…
1007	$cf::PLAYER{$login} = $self;	1615	$cf::PLAYER{$login} = $self;
1008		1616
1009	$self	1617	$self
1010	}	1618	}
1011		1619
		1620	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1621
		1622	=cut
		1623
		1624	sub send_msg {
		1625	my $ns = shift->ns
		1626	or return;
		1627	$ns->send_msg (@_);
		1628	}
		1629
1012	=item $pl->quit_character	1630	=item $pl->quit_character
1013		1631
1014	Nukes the player without looking back. If logged in, the connection will	1632	Nukes the player without looking back. If logged in, the connection will
1015	be destroyed. May block for a long time.	1633	be destroyed. May block for a long time.
1016		1634
1017	=cut	1635	=cut
1018		1636
1019	sub quit_character {	1637	sub quit_character {
1020	my ($pl) = @_;	1638	my ($pl) = @_;
1021		1639
		1640	my $name = $pl->ob->name;
		1641
1022	$pl->{deny_save} = 1;	1642	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1643	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1024		1644
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1645	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1026	$pl->deactivate;	1646	$pl->deactivate;
		1647	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1027	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1648	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1028	$pl->ns->destroy if $pl->ns;	1649	$pl->ns->destroy if $pl->ns;
1029		1650
1030	my $path = playerdir $pl;	1651	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1652	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1653	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1654	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1655	$pl->destroy;
		1656
		1657	my $prefix = qr<^~\Q$name\E/>;
		1658
		1659	# nuke player maps
		1660	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1661
1035	IO::AIO::aio_rmtree $temp;	1662	IO::AIO::aio_rmtree $temp;
		1663	}
		1664
		1665	=item $pl->kick
		1666
		1667	Kicks a player out of the game. This destroys the connection.
		1668
		1669	=cut
		1670
		1671	sub kick {
		1672	my ($pl, $kicker) = @_;
		1673
		1674	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1675	$pl->killer ("kicked");
		1676	$pl->ns->destroy;
1036	}	1677	}
1037		1678
1038	=item cf::player::list_logins	1679	=item cf::player::list_logins
1039		1680
1040	Returns am arrayref of all valid playernames in the system, can take a	1681	Returns am arrayref of all valid playernames in the system, can take a
1041	while and may block, so not sync_job-capable, ever.	1682	while and may block, so not sync_job-capable, ever.
1042		1683
1043	=cut	1684	=cut
1044		1685
1045	sub list_logins {	1686	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1687	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1688	or return [];
1048		1689
1049	my @logins;	1690	my @logins;
1050		1691
1051	for my $login (@$dirs) {	1692	for my $login (@$dirs) {
		1693	my $path = path $login;
		1694
		1695	# a .pst is a dead give-away for a valid player
		1696	# if no pst file found, open and chekc for blocked users
		1697	if (aio_stat "$path.pst") {
1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1698	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053	aio_read $fh, 0, 512, my $buf, 0 or next;	1699	aio_read $fh, 0, 512, my $buf, 0 or next;
1054	$buf !~ /^password -------------$/m or next; # official not-valid tag	1700	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1701	}
1055		1702
1056	utf8::decode $login;	1703	utf8::decode $login;
1057	push @logins, $login;	1704	push @logins, $login;
1058	}	1705	}
1059		1706
1060	\@logins	1707	\@logins
1061	}	1708	}
1062		1709
1063	=item $player->maps	1710	=item $player->maps
1064		1711
		1712	=item cf::player::maps $login
		1713
1065	Returns an arrayref of map paths that are private for this	1714	Returns an arrayref of map paths that are private for this
1066	player. May block.	1715	player. May block.
1067		1716
1068	=cut	1717	=cut
1069		1718
1070	sub maps($) {	1719	sub maps($) {
1071	my ($pl) = @_;	1720	my ($pl) = @_;
		1721
		1722	$pl = ref $pl ? $pl->ob->name : $pl;
1072		1723
1073	my $files = aio_readdir playerdir $pl	1724	my $files = aio_readdir playerdir $pl
1074	or return;	1725	or return;
1075		1726
1076	my @paths;	1727	my @paths;
…		…
1078	for (@$files) {	1729	for (@$files) {
1079	utf8::decode $_;	1730	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1731	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1732	next unless /^$PATH_SEP/o;
1082		1733
1083	s/\.map$//;	1734	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1735	}
1086		1736
1087	\@paths	1737	\@paths
1088	}	1738	}
1089		1739
		1740	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1741
		1742	Expand deliantra pod fragments into protocol xml.
		1743
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1744	=item $player->ext_reply ($msgid, @msg)
1091		1745
1092	Sends an ext reply to the player.	1746	Sends an ext reply to the player.
1093		1747
1094	=cut	1748	=cut
1095		1749
1096	sub ext_reply($$$%) {	1750	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1751	my ($self, $id, @msg) = @_;
1098		1752
1099	$msg{msgid} = $id;	1753	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1754	}
1103		1755
1104	package cf;	1756	=item $player->ext_msg ($type, @msg)
		1757
		1758	Sends an ext event to the client.
		1759
		1760	=cut
		1761
		1762	sub ext_msg($$@) {
		1763	my ($self, $type, @msg) = @_;
		1764
		1765	$self->ns->ext_msg ($type, @msg);
		1766	}
		1767
		1768	=head3 cf::region
		1769
		1770	=over 4
		1771
		1772	=cut
		1773
		1774	package cf::region;
		1775
		1776	=item cf::region::find_by_path $path
		1777
		1778	Tries to decuce the likely region for a map knowing only its path.
		1779
		1780	=cut
		1781
		1782	sub find_by_path($) {
		1783	my ($path) = @_;
		1784
		1785	$path =~ s/^~[^\/]*//; # skip ~login
		1786
		1787	my ($match, $specificity);
		1788
		1789	for my $region (list) {
		1790	if ($region->{match} && $path =~ $region->{match}) {
		1791	($match, $specificity) = ($region, $region->specificity)
		1792	if $region->specificity > $specificity;
		1793	}
		1794	}
		1795
		1796	$match
		1797	}
1105		1798
1106	=back	1799	=back
1107
1108		1800
1109	=head3 cf::map	1801	=head3 cf::map
1110		1802
1111	=over 4	1803	=over 4
1112		1804
…		…
1124	our $MAX_RESET = 3600;	1816	our $MAX_RESET = 3600;
1125	our $DEFAULT_RESET = 3000;	1817	our $DEFAULT_RESET = 3000;
1126		1818
1127	sub generate_random_map {	1819	sub generate_random_map {
1128	my ($self, $rmp) = @_;	1820	my ($self, $rmp) = @_;
		1821
		1822	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1823
1129	# mit "rum" bekleckern, nicht	1824	# mit "rum" bekleckern, nicht
1130	$self->_create_random_map (	1825	$self->_create_random_map (
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1826	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1827	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1828	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1134	$rmp->{exit_on_final_map},	1829	$rmp->{exit_on_final_map},
1135	$rmp->{xsize}, $rmp->{ysize},	1830	$rmp->{xsize}, $rmp->{ysize},
1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1831	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1832	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1152		1847
1153	sub register {	1848	sub register {
1154	my (undef, $regex, $prio) = @_;	1849	my (undef, $regex, $prio) = @_;
1155	my $pkg = caller;	1850	my $pkg = caller;
1156		1851
1157	no strict;
1158	push @{"$pkg\::ISA"}, __PACKAGE__;	1852	push @{"$pkg\::ISA"}, __PACKAGE__;
1159		1853
1160	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1854	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1161	}	1855	}
1162		1856
1163	# also paths starting with '/'	1857	# also paths starting with '/'
1164	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1858	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1165		1859
1166	sub thawer_merge {	1860	sub thawer_merge {
1167	my ($self, $merge) = @_;	1861	my ($self, $merge) = @_;
1168		1862
1169	# we have to keep some variables in memory intact	1863	# we have to keep some variables in memory intact
1170	local $self->{path};	1864	local $self->{path};
1171	local $self->{load_path};	1865	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		1866
1175	$self->SUPER::thawer_merge ($merge);	1867	$self->SUPER::thawer_merge ($merge);
1176	}	1868	}
1177		1869
1178	sub normalise {	1870	sub normalise {
1179	my ($path, $base) = @_;	1871	my ($path, $base) = @_;
		1872
		1873	$path = "$path"; # make sure its a string
		1874
		1875	$path =~ s/\.map$//;
1180		1876
1181	# map plan:	1877	# map plan:
1182	#	1878	#
1183	# /! non-realised random map exit (special hack!)	1879	# /! non-realised random map exit (special hack!)
1184	# {... are special paths that are not being touched	1880	# {... are special paths that are not being touched
…		…
1221	$self->init; # pass $1 etc.	1917	$self->init; # pass $1 etc.
1222	return $self;	1918	return $self;
1223	}	1919	}
1224	}	1920	}
1225		1921
1226	Carp::carp "unable to resolve path '$path'.";	1922	Carp::cluck "unable to resolve path '$path' (base '$base').";
1227	()	1923	()
1228	}	1924	}
1229		1925
1230	sub init {	1926	sub init {
1231	my ($self) = @_;	1927	my ($self) = @_;
…		…
1246		1942
1247	# the original (read-only) location	1943	# the original (read-only) location
1248	sub load_path {	1944	sub load_path {
1249	my ($self) = @_;	1945	my ($self) = @_;
1250		1946
1251	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1947	"$MAPDIR/$self->{path}.map"
1252	}	1948	}
1253		1949
1254	# the temporary/swap location	1950	# the temporary/swap location
1255	sub save_path {	1951	sub save_path {
1256	my ($self) = @_;	1952	my ($self) = @_;
1257		1953
1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1954	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1259	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1955	"$TMPDIR/$path.map"
1260	}	1956	}
1261		1957
1262	# the unique path, undef == no special unique path	1958	# the unique path, undef == no special unique path
1263	sub uniq_path {	1959	sub uniq_path {
1264	my ($self) = @_;	1960	my ($self) = @_;
1265		1961
1266	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1962	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1267	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1963	"$UNIQUEDIR/$path"
1268	}	1964	}
1269		1965
1270	# and all this just because we cannot iterate over	1966	sub decay_objects {
1271	# all maps in C++...
1272	sub change_all_map_light {
1273	my ($change) = @_;	1967	my ($self) = @_;
1274		1968
1275	$_->change_map_light ($change)	1969	return if $self->{deny_reset};
1276	for grep $_->outdoor, values %cf::MAP;	1970
		1971	$self->do_decay_objects;
1277	}	1972	}
1278		1973
1279	sub unlink_save {	1974	sub unlink_save {
1280	my ($self) = @_;	1975	my ($self) = @_;
1281		1976
…		…
1286		1981
1287	sub load_header_from($) {	1982	sub load_header_from($) {
1288	my ($self, $path) = @_;	1983	my ($self, $path) = @_;
1289		1984
1290	utf8::encode $path;	1985	utf8::encode $path;
1291	aio_open $path, O_RDONLY, 0	1986	my $f = new_from_file cf::object::thawer $path
1292	or return;	1987	or return;
1293		1988
1294	$self->_load_header ($path)	1989	$self->_load_header ($f)
1295	or return;	1990	or return;
1296		1991
		1992	local $MAP_LOADING{$self->{path}} = $self;
		1993	$f->resolve_delayed_derefs;
		1994
1297	$self->{load_path} = $path;	1995	$self->{load_path} = $path;
1298		1996
1299	1	1997	1
1300	}	1998	}
1301		1999
1302	sub load_orig {	2000	sub load_header_orig {
1303	my ($self) = @_;	2001	my ($self) = @_;
1304		2002
1305	$self->load_header_from ($self->load_path)	2003	$self->load_header_from ($self->load_path)
1306	}	2004	}
1307		2005
1308	sub load_temp {	2006	sub load_header_temp {
1309	my ($self) = @_;	2007	my ($self) = @_;
1310		2008
1311	$self->load_header_from ($self->save_path)	2009	$self->load_header_from ($self->save_path)
		2010	}
		2011
		2012	sub prepare_temp {
		2013	my ($self) = @_;
		2014
		2015	$self->last_access ((delete $self->{last_access})
		2016	|| $cf::RUNTIME); #d#
		2017	# safety
		2018	$self->{instantiate_time} = $cf::RUNTIME
		2019	if $self->{instantiate_time} > $cf::RUNTIME;
		2020	}
		2021
		2022	sub prepare_orig {
		2023	my ($self) = @_;
		2024
		2025	$self->{load_original} = 1;
		2026	$self->{instantiate_time} = $cf::RUNTIME;
		2027	$self->last_access ($cf::RUNTIME);
		2028	$self->instantiate;
1312	}	2029	}
1313		2030
1314	sub load_header {	2031	sub load_header {
1315	my ($self) = @_;	2032	my ($self) = @_;
1316		2033
1317	if ($self->load_temp) {	2034	if ($self->load_header_temp) {
1318	$self->last_access ((delete $self->{last_access})	2035	$self->prepare_temp;
1319	|| $cf::RUNTIME); #d#
1320	# safety
1321	$self->{instantiate_time} = $cf::RUNTIME
1322	if $self->{instantiate_time} > $cf::RUNTIME;
1323	} else {	2036	} else {
1324	$self->load_orig	2037	$self->load_header_orig
1325	or return;	2038	or return;
1326		2039	$self->prepare_orig;
1327	$self->{load_original} = 1;
1328	$self->{instantiate_time} = $cf::RUNTIME;
1329	$self->last_access ($cf::RUNTIME);
1330	$self->instantiate;
1331	}	2040	}
		2041
		2042	$self->{deny_reset} = 1
		2043	if $self->no_reset;
		2044
		2045	$self->default_region (cf::region::find_by_path $self->{path})
		2046	unless $self->default_region;
1332		2047
1333	1	2048	1
1334	}	2049	}
1335		2050
1336	sub find;	2051	sub find;
1337	sub find {	2052	sub find {
1338	my ($path, $origin) = @_;	2053	my ($path, $origin) = @_;
1339		2054
1340	$path = normalise $path, $origin && $origin->path;	2055	$path = normalise $path, $origin && $origin->path;
1341		2056
		2057	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1342	cf::lock_wait "map_find:$path";	2058	my $guard2 = cf::lock_acquire "map_find:$path";
1343		2059
1344	$cf::MAP{$path} || do {	2060	$cf::MAP{$path} || do {
1345	my $guard = cf::lock_acquire "map_find:$path";
1346	my $map = new_from_path cf::map $path	2061	my $map = new_from_path cf::map $path
1347	or return;	2062	or return;
1348		2063
1349	$map->{last_save} = $cf::RUNTIME;	2064	$map->{last_save} = $cf::RUNTIME;
1350		2065
1351	$map->load_header	2066	$map->load_header
1352	or return;	2067	or return;
1353		2068
1354	if ($map->should_reset) {	2069	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1355	# doing this can freeze the server in a sync job, obviously	2070	# doing this can freeze the server in a sync job, obviously
1356	#$cf::WAIT_FOR_TICK->wait;	2071	#$cf::WAIT_FOR_TICK->wait;
		2072	undef $guard2;
		2073	undef $guard1;
1357	$map->reset;	2074	$map->reset;
1358	undef $guard;
1359	$map = find $path	2075	return find $path;
1360	or return;
1361	}	2076	}
1362		2077
1363	$cf::MAP{$path} = $map	2078	$cf::MAP{$path} = $map
1364	}	2079	}
1365	}	2080	}
		2081
		2082	sub pre_load { }
		2083	#sub post_load { } # XS
1366		2084
1367	sub load {	2085	sub load {
1368	my ($self) = @_;	2086	my ($self) = @_;
1369		2087
		2088	local $self->{deny_reset} = 1; # loading can take a long time
		2089
1370	my $path = $self->{path};	2090	my $path = $self->{path};
		2091
		2092	{
1371	my $guard = cf::lock_acquire "map_load:$path";	2093	my $guard = cf::lock_acquire "map_data:$path";
1372		2094
		2095	return unless $self->valid;
1373	return if $self->in_memory != cf::MAP_SWAPPED;	2096	return unless $self->in_memory == cf::MAP_SWAPPED;
1374		2097
1375	$self->in_memory (cf::MAP_LOADING);	2098	$self->in_memory (cf::MAP_LOADING);
1376		2099
1377	$self->alloc;	2100	$self->alloc;
1378	$self->_load_objects ($self->{load_path}, 1)	2101
		2102	$self->pre_load;
		2103	cf::cede_to_tick;
		2104
		2105	my $f = new_from_file cf::object::thawer $self->{load_path};
		2106	$f->skip_block;
		2107	$self->_load_objects ($f)
1379	or return;	2108	or return;
1380		2109
1381	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2110	$self->post_load_original
1382	if delete $self->{load_original};	2111	if delete $self->{load_original};
1383		2112
1384	if (my $uniq = $self->uniq_path) {	2113	if (my $uniq = $self->uniq_path) {
1385	utf8::encode $uniq;	2114	utf8::encode $uniq;
1386	if (aio_open $uniq, O_RDONLY, 0) {	2115	unless (aio_stat $uniq) {
		2116	if (my $f = new_from_file cf::object::thawer $uniq) {
1387	$self->clear_unique_items;	2117	$self->clear_unique_items;
1388	$self->_load_objects ($uniq, 0);	2118	$self->_load_objects ($f);
		2119	$f->resolve_delayed_derefs;
		2120	}
1389	}	2121	}
1390	}	2122	}
1391		2123
1392	Coro::cede;	2124	$f->resolve_delayed_derefs;
1393		2125
		2126	cf::cede_to_tick;
1394	# now do the right thing for maps	2127	# now do the right thing for maps
1395	$self->link_multipart_objects;	2128	$self->link_multipart_objects;
1396
1397	unless ($self->{deny_activate}) {
1398	$self->decay_objects;
1399	$self->fix_auto_apply;
1400	$self->update_buttons;
1401	Coro::cede;
1402	$self->set_darkness_map;
1403	$self->difficulty ($self->estimate_difficulty)	2129	$self->difficulty ($self->estimate_difficulty)
1404	unless $self->difficulty;	2130	unless $self->difficulty;
1405	Coro::cede;	2131	cf::cede_to_tick;
		2132
		2133	unless ($self->{deny_activate}) {
		2134	$self->decay_objects;
		2135	$self->fix_auto_apply;
		2136	$self->update_buttons;
		2137	cf::cede_to_tick;
1406	$self->activate;	2138	$self->activate;
1407	}	2139	}
1408		2140
		2141	$self->{last_save} = $cf::RUNTIME;
		2142	$self->last_access ($cf::RUNTIME);
		2143
1409	$self->in_memory (cf::MAP_IN_MEMORY);	2144	$self->in_memory (cf::MAP_ACTIVE);
1410	}	2145	}
1411		2146
		2147	$self->post_load;
		2148	}
		2149
		2150	# customize the map for a given player, i.e.
		2151	# return the _real_ map. used by e.g. per-player
		2152	# maps to change the path to ~playername/mappath
1412	sub customise_for {	2153	sub customise_for {
1413	my ($self, $ob) = @_;	2154	my ($self, $ob) = @_;
1414		2155
1415	return find "~" . $ob->name . "/" . $self->{path}	2156	return find "~" . $ob->name . "/" . $self->{path}
1416	if $self->per_player;	2157	if $self->per_player;
1417		2158
		2159	# return find "?party/" . $ob->name . "/" . $self->{path}
		2160	# if $self->per_party;
		2161
1418	$self	2162	$self
1419	}	2163	}
1420		2164
1421	# find and load all maps in the 3x3 area around a map	2165	# find and load all maps in the 3x3 area around a map
1422	sub load_diag {	2166	sub load_neighbours {
1423	my ($map) = @_;	2167	my ($map) = @_;
1424		2168
1425	my @diag; # diagonal neighbours	2169	my @neigh; # diagonal neighbours
1426		2170
1427	for (0 .. 3) {	2171	for (0 .. 3) {
1428	my $neigh = $map->tile_path ($_)	2172	my $neigh = $map->tile_path ($_)
1429	or next;	2173	or next;
1430	$neigh = find $neigh, $map	2174	$neigh = find $neigh, $map
1431	or next;	2175	or next;
1432	$neigh->load;	2176	$neigh->load;
1433		2177
		2178	# now find the diagonal neighbours
		2179	push @neigh,
1434	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2180	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1435	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2181	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1436	}	2182	}
1437		2183
1438	for (@diag) {	2184	for (grep defined $_->[0], @neigh) {
		2185	my ($path, $origin) = @$_;
1439	my $neigh = find @$_	2186	my $neigh = find $path, $origin
1440	or next;	2187	or next;
1441	$neigh->load;	2188	$neigh->load;
1442	}	2189	}
1443	}	2190	}
1444		2191
1445	sub find_sync {	2192	sub find_sync {
1446	my ($path, $origin) = @_;	2193	my ($path, $origin) = @_;
1447		2194
1448	cf::sync_job { find $path, $origin }	2195	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2196	if $Coro::current == $Coro::main;
		2197
		2198	find $path, $origin
1449	}	2199	}
1450		2200
1451	sub do_load_sync {	2201	sub do_load_sync {
1452	my ($map) = @_;	2202	my ($map) = @_;
1453		2203
1454	cf::sync_job { $map->load };	2204	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2205	if $Coro::current == $Coro::main;
		2206
		2207	$map->load;
1455	}	2208	}
1456		2209
1457	our %MAP_PREFETCH;	2210	our %MAP_PREFETCH;
1458	our $MAP_PREFETCHER = undef;	2211	our $MAP_PREFETCHER = undef;
1459		2212
1460	sub find_async {	2213	sub find_async {
1461	my ($path, $origin) = @_;	2214	my ($path, $origin, $load) = @_;
1462		2215
1463	$path = normalise $path, $origin && $origin->{path};	2216	$path = normalise $path, $origin && $origin->{path};
1464		2217
1465	if (my $map = $cf::MAP{$path}) {	2218	if (my $map = $cf::MAP{$path}) {
1466	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2219	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1467	}	2220	}
1468		2221
1469	undef $MAP_PREFETCH{$path};	2222	$MAP_PREFETCH{$path} |= $load;
		2223
1470	$MAP_PREFETCHER ||= cf::async {	2224	$MAP_PREFETCHER ||= cf::async {
		2225	$Coro::current->{desc} = "map prefetcher";
		2226
1471	while (%MAP_PREFETCH) {	2227	while (%MAP_PREFETCH) {
1472	for my $path (keys %MAP_PREFETCH) {	2228	while (my ($k, $v) = each %MAP_PREFETCH) {
1473	my $map = find $path	2229	if (my $map = find $k) {
1474	or next;
1475	$map->load;	2230	$map->load if $v;
		2231	}
1476		2232
1477	delete $MAP_PREFETCH{$path};	2233	delete $MAP_PREFETCH{$k};
1478	}	2234	}
1479	}	2235	}
1480	undef $MAP_PREFETCHER;	2236	undef $MAP_PREFETCHER;
1481	};	2237	};
		2238	$MAP_PREFETCHER->prio (6);
1482		2239
1483	()	2240	()
1484	}	2241	}
1485		2242
		2243	# common code, used by both ->save and ->swapout
1486	sub save {	2244	sub _save {
1487	my ($self) = @_;	2245	my ($self) = @_;
1488
1489	my $lock = cf::lock_acquire "map_data:" . $self->path;
1490		2246
1491	$self->{last_save} = $cf::RUNTIME;	2247	$self->{last_save} = $cf::RUNTIME;
1492		2248
1493	return unless $self->dirty;	2249	return unless $self->dirty;
1494		2250
…		…
1500	return if $self->{deny_save};	2256	return if $self->{deny_save};
1501		2257
1502	local $self->{last_access} = $self->last_access;#d#	2258	local $self->{last_access} = $self->last_access;#d#
1503		2259
1504	cf::async {	2260	cf::async {
		2261	$Coro::current->{desc} = "map player save";
1505	$_->contr->save for $self->players;	2262	$_->contr->save for $self->players;
1506	};	2263	};
		2264
		2265	cf::get_slot 0.02;
1507		2266
1508	if ($uniq) {	2267	if ($uniq) {
1509	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2268	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1510	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2269	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1511	} else {	2270	} else {
1512	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2271	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1513	}	2272	}
1514	}	2273	}
1515		2274
		2275	sub save {
		2276	my ($self) = @_;
		2277
		2278	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2279
		2280	$self->_save;
		2281	}
		2282
1516	sub swap_out {	2283	sub swap_out {
1517	my ($self) = @_;	2284	my ($self) = @_;
1518		2285
1519	# save first because save cedes
1520	$self->save;
1521
1522	my $lock = cf::lock_acquire "map_data:" . $self->path;	2286	my $lock = cf::lock_acquire "map_data:$self->{path}";
1523		2287
		2288	return if $self->in_memory != cf::MAP_ACTIVE;
		2289	return if $self->{deny_save};
1524	return if $self->players;	2290	return if $self->players;
1525	return if $self->in_memory != cf::MAP_IN_MEMORY;
1526	return if $self->{deny_save};
1527		2291
		2292	# first deactivate the map and "unlink" it from the core
		2293	$self->deactivate;
		2294	$_->clear_links_to ($self) for values %cf::MAP;
		2295	$self->in_memory (cf::MAP_SWAPPED);
		2296
		2297	# then atomically save
		2298	$self->_save;
		2299
		2300	# then free the map
1528	$self->clear;	2301	$self->clear;
1529	$self->in_memory (cf::MAP_SWAPPED);
1530	}	2302	}
1531		2303
1532	sub reset_at {	2304	sub reset_at {
1533	my ($self) = @_;	2305	my ($self) = @_;
1534		2306
1535	# TODO: safety, remove and allow resettable per-player maps	2307	# TODO: safety, remove and allow resettable per-player maps
1536	return 1e99 if $self->isa ("ext::map_per_player");#d#
1537	return 1e99 if $self->{deny_reset};	2308	return 1e99 if $self->{deny_reset};
1538		2309
1539	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2310	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1540	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2311	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1541		2312
…		…
1552	my ($self) = @_;	2323	my ($self) = @_;
1553		2324
1554	my $lock = cf::lock_acquire "map_data:$self->{path}";	2325	my $lock = cf::lock_acquire "map_data:$self->{path}";
1555		2326
1556	return if $self->players;	2327	return if $self->players;
1557	return if $self->isa ("ext::map_per_player");#d#
1558		2328
1559	warn "resetting map ", $self->path;#d#	2329	cf::trace "resetting map ", $self->path, "\n";
		2330
		2331	$self->in_memory (cf::MAP_SWAPPED);
		2332
		2333	# need to save uniques path
		2334	unless ($self->{deny_save}) {
		2335	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2336
		2337	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2338	if $uniq;
		2339	}
1560		2340
1561	delete $cf::MAP{$self->path};	2341	delete $cf::MAP{$self->path};
1562		2342
1563	$self->in_memory (cf::MAP_SWAPPED);	2343	$self->deactivate;
		2344	$_->clear_links_to ($self) for values %cf::MAP;
1564	$self->clear;	2345	$self->clear;
1565
1566	$_->clear_links_to ($self) for values %cf::MAP;
1567		2346
1568	$self->unlink_save;	2347	$self->unlink_save;
1569	$self->destroy;	2348	$self->destroy;
1570	}	2349	}
1571		2350
1572	my $nuke_counter = "aaaa";	2351	my $nuke_counter = "aaaa";
1573		2352
1574	sub nuke {	2353	sub nuke {
1575	my ($self) = @_;	2354	my ($self) = @_;
1576		2355
		2356	{
		2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2358
1577	delete $cf::MAP{$self->path};	2359	delete $cf::MAP{$self->path};
1578		2360
1579	$self->unlink_save;	2361	$self->unlink_save;
1580		2362
1581	bless $self, "cf::map";	2363	bless $self, "cf::map::wrap";
1582	delete $self->{deny_reset};	2364	delete $self->{deny_reset};
1583	$self->{deny_save} = 1;	2365	$self->{deny_save} = 1;
1584	$self->reset_timeout (1);	2366	$self->reset_timeout (1);
1585	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2367	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1586		2368
1587	$cf::MAP{$self->path} = $self;	2369	$cf::MAP{$self->path} = $self;
		2370	}
1588		2371
1589	$self->reset; # polite request, might not happen	2372	$self->reset; # polite request, might not happen
		2373	}
		2374
		2375	=item $maps = cf::map::tmp_maps
		2376
		2377	Returns an arrayref with all map paths of currently instantiated and saved
		2378	maps. May block.
		2379
		2380	=cut
		2381
		2382	sub tmp_maps() {
		2383	[
		2384	map {
		2385	utf8::decode $_;
		2386	/\.map$/
		2387	? normalise $_
		2388	: ()
		2389	} @{ aio_readdir $TMPDIR or [] }
		2390	]
		2391	}
		2392
		2393	=item $maps = cf::map::random_maps
		2394
		2395	Returns an arrayref with all map paths of currently instantiated and saved
		2396	random maps. May block.
		2397
		2398	=cut
		2399
		2400	sub random_maps() {
		2401	[
		2402	map {
		2403	utf8::decode $_;
		2404	/\.map$/
		2405	? normalise "?random/$_"
		2406	: ()
		2407	} @{ aio_readdir $RANDOMDIR or [] }
		2408	]
1590	}	2409	}
1591		2410
1592	=item cf::map::unique_maps	2411	=item cf::map::unique_maps
1593		2412
1594	Returns an arrayref of paths of all shared maps that have	2413	Returns an arrayref of paths of all shared maps that have
1595	instantiated unique items. May block.	2414	instantiated unique items. May block.
1596		2415
1597	=cut	2416	=cut
1598		2417
1599	sub unique_maps() {	2418	sub unique_maps() {
1600	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2419	[
1601	or return;	2420	map {
1602
1603	my @paths;
1604
1605	for (@$files) {
1606	utf8::decode $_;	2421	utf8::decode $_;
1607	next if /\.pst$/;	2422	s/\.map$//; # TODO future compatibility hack
1608	next unless /^$PATH_SEP/o;	2423	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2424	? ()
		2425	: normalise $_
		2426	} @{ aio_readdir $UNIQUEDIR or [] }
		2427	]
		2428	}
1609		2429
		2430	=item cf::map::static_maps
		2431
		2432	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2433	file in the shared directory excluding F</styles> and F</editor>). May
		2434	block.
		2435
		2436	=cut
		2437
		2438	sub static_maps() {
		2439	my @dirs = "";
		2440	my @maps;
		2441
		2442	while (@dirs) {
		2443	my $dir = shift @dirs;
		2444
		2445	next if $dir eq "/styles" || $dir eq "/editor";
		2446
		2447	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2448	or return;
		2449
		2450	for (@$files) {
1610	s/\.map$//;	2451	s/\.map$// or next;
1611	push @paths, $_;	2452	utf8::decode $_;
1612	}	2453	push @maps, "$dir/$_";
		2454	}
1613		2455
1614	\@paths	2456	push @dirs, map "$dir/$_", @$dirs;
1615	}	2457	}
1616		2458
1617	package cf;	2459	\@maps
		2460	}
1618		2461
1619	=back	2462	=back
1620		2463
1621	=head3 cf::object	2464	=head3 cf::object
1622		2465
…		…
1626		2469
1627	=over 4	2470	=over 4
1628		2471
1629	=item $ob->inv_recursive	2472	=item $ob->inv_recursive
1630		2473
1631	Returns the inventory of the object _and_ their inventories, recursively.	2474	Returns the inventory of the object I<and> their inventories, recursively,
		2475	but I<not> the object itself.
1632		2476
1633	=cut	2477	=cut
1634		2478
1635	sub inv_recursive_;	2479	sub inv_recursive_;
1636	sub inv_recursive_ {	2480	sub inv_recursive_ {
…		…
1639		2483
1640	sub inv_recursive {	2484	sub inv_recursive {
1641	inv_recursive_ inv $_[0]	2485	inv_recursive_ inv $_[0]
1642	}	2486	}
1643		2487
		2488	=item $ref = $ob->ref
		2489
		2490	Creates and returns a persistent reference to an object that can be stored as a string.
		2491
		2492	=item $ob = cf::object::deref ($refstring)
		2493
		2494	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2495	even if the object actually exists. May block.
		2496
		2497	=cut
		2498
		2499	sub deref {
		2500	my ($ref) = @_;
		2501
		2502	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2503	my ($uuid, $name) = ($1, $2);
		2504	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2505	or return;
		2506	$pl->ob->uuid eq $uuid
		2507	or return;
		2508
		2509	$pl->ob
		2510	} else {
		2511	warn "$ref: cannot resolve object reference\n";
		2512	undef
		2513	}
		2514	}
		2515
1644	package cf;	2516	package cf;
1645		2517
1646	=back	2518	=back
1647		2519
1648	=head3 cf::object::player	2520	=head3 cf::object::player
…		…
1654	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2526	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1655	can be C<undef>. Does the right thing when the player is currently in a	2527	can be C<undef>. Does the right thing when the player is currently in a
1656	dialogue with the given NPC character.	2528	dialogue with the given NPC character.
1657		2529
1658	=cut	2530	=cut
		2531
		2532	our $SAY_CHANNEL = {
		2533	id => "say",
		2534	title => "Map",
		2535	reply => "say ",
		2536	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2537	};
		2538
		2539	our $CHAT_CHANNEL = {
		2540	id => "chat",
		2541	title => "Chat",
		2542	reply => "chat ",
		2543	tooltip => "Player chat and shouts, global to the server.",
		2544	};
1659		2545
1660	# rough implementation of a future "reply" method that works	2546	# rough implementation of a future "reply" method that works
1661	# with dialog boxes.	2547	# with dialog boxes.
1662	#TODO: the first argument must go, split into a $npc->reply_to ( method	2548	#TODO: the first argument must go, split into a $npc->reply_to ( method
1663	sub cf::object::player::reply($$$;$) {	2549	sub cf::object::player::reply($$$;$) {
…		…
1665		2551
1666	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2552	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1667		2553
1668	if ($self->{record_replies}) {	2554	if ($self->{record_replies}) {
1669	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2555	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2556
1670	} else {	2557	} else {
		2558	my $pl = $self->contr;
		2559
		2560	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2561	my $dialog = $pl->{npc_dialog};
		2562	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2563
		2564	} else {
1671	$msg = $npc->name . " says: $msg" if $npc;	2565	$msg = $npc->name . " says: $msg" if $npc;
1672	$self->message ($msg, $flags);	2566	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2567	}
1673	}	2568	}
		2569	}
		2570
		2571	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2572
		2573	=cut
		2574
		2575	sub cf::object::send_msg {
		2576	my $pl = shift->contr
		2577	or return;
		2578	$pl->send_msg (@_);
1674	}	2579	}
1675		2580
1676	=item $player_object->may ("access")	2581	=item $player_object->may ("access")
1677		2582
1678	Returns wether the given player is authorized to access resource "access"	2583	Returns wether the given player is authorized to access resource "access"
…		…
1691		2596
1692	=item $player_object->enter_link	2597	=item $player_object->enter_link
1693		2598
1694	Freezes the player and moves him/her to a special map (C<{link}>).	2599	Freezes the player and moves him/her to a special map (C<{link}>).
1695		2600
1696	The player should be reasonably safe there for short amounts of time. You	2601	The player should be reasonably safe there for short amounts of time (e.g.
1697	I<MUST> call C<leave_link> as soon as possible, though.	2602	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2603	though, as the player cannot control the character while it is on the link
		2604	map.
1698		2605
1699	Will never block.	2606	Will never block.
1700		2607
1701	=item $player_object->leave_link ($map, $x, $y)	2608	=item $player_object->leave_link ($map, $x, $y)
1702		2609
…		…
1710	=cut	2617	=cut
1711		2618
1712	sub link_map {	2619	sub link_map {
1713	unless ($LINK_MAP) {	2620	unless ($LINK_MAP) {
1714	$LINK_MAP = cf::map::find "{link}"	2621	$LINK_MAP = cf::map::find "{link}"
1715	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2622	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1716	$LINK_MAP->load;	2623	$LINK_MAP->load;
1717	}	2624	}
1718		2625
1719	$LINK_MAP	2626	$LINK_MAP
1720	}	2627	}
…		…
1722	sub cf::object::player::enter_link {	2629	sub cf::object::player::enter_link {
1723	my ($self) = @_;	2630	my ($self) = @_;
1724		2631
1725	$self->deactivate_recursive;	2632	$self->deactivate_recursive;
1726		2633
		2634	++$self->{_link_recursion};
		2635
1727	return if UNIVERSAL::isa $self->map, "ext::map_link";	2636	return if UNIVERSAL::isa $self->map, "ext::map_link";
1728		2637
1729	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2638	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1730	if $self->map;	2639	if $self->map && $self->map->{path} ne "{link}";
1731		2640
1732	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2641	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1733	}	2642	}
1734		2643
1735	sub cf::object::player::leave_link {	2644	sub cf::object::player::leave_link {
1736	my ($self, $map, $x, $y) = @_;	2645	my ($self, $map, $x, $y) = @_;
		2646
		2647	return unless $self->contr->active;
1737		2648
1738	my $link_pos = delete $self->{_link_pos};	2649	my $link_pos = delete $self->{_link_pos};
1739		2650
1740	unless ($map) {	2651	unless ($map) {
1741	# restore original map position	2652	# restore original map position
…		…
1752	($x, $y) = (-1, -1)	2663	($x, $y) = (-1, -1)
1753	unless (defined $x) && (defined $y);	2664	unless (defined $x) && (defined $y);
1754		2665
1755	# use -1 or undef as default coordinates, not 0, 0	2666	# use -1 or undef as default coordinates, not 0, 0
1756	($x, $y) = ($map->enter_x, $map->enter_y)	2667	($x, $y) = ($map->enter_x, $map->enter_y)
1757	if $x <=0 && $y <= 0;	2668	if $x <= 0 && $y <= 0;
1758		2669
1759	$map->load;	2670	$map->load;
1760	$map->load_diag;	2671	$map->load_neighbours;
1761		2672
1762	return unless $self->contr->active;	2673	return unless $self->contr->active;
		2674
		2675	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2676	if ($self->enter_map ($map, $x, $y)) {
		2677	# entering was successful
		2678	delete $self->{_link_recursion};
		2679	# only activate afterwards, to support waiting in hooks
1763	$self->activate_recursive;	2680	$self->activate_recursive;
1764	$self->enter_map ($map, $x, $y);
1765	}
1766
1767	cf::player->attach (
1768	on_logout => sub {
1769	my ($pl) = @_;
1770
1771	# abort map switching before logout
1772	if ($pl->ob->{_link_pos}) {
1773	cf::sync_job {
1774	$pl->ob->leave_link
1775	};
1776	}
1777	},	2681	}
1778	on_login => sub {
1779	my ($pl) = @_;
1780		2682
1781	# try to abort aborted map switching on player login :)	2683	}
1782	# should happen only on crashes
1783	if ($pl->ob->{_link_pos}) {
1784	$pl->ob->enter_link;
1785	(async {
1786	# we need this sleep as the login has a concurrent enter_exit running
1787	# and this sleep increases chances of the player not ending up in scorn
1788	$pl->ob->reply (undef,
1789	"There was an internal problem at your last logout, "
1790	. "the server will try to bring you to your intended destination in a second.",
1791	cf::NDI_RED);
1792	Coro::Timer::sleep 1;
1793	$pl->ob->leave_link;
1794	})->prio (2);
1795	}
1796	},
1797	);
1798		2684
1799	=item $player_object->goto ($path, $x, $y)	2685	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1800		2686
		2687	Moves the player to the given map-path and coordinates by first freezing
		2688	her, loading and preparing them map, calling the provided $check callback
		2689	that has to return the map if sucecssful, and then unfreezes the player on
		2690	the new (success) or old (failed) map position. In either case, $done will
		2691	be called at the end of this process.
		2692
		2693	Note that $check will be called with a potentially non-loaded map, so if
		2694	it needs a loaded map it has to call C<< ->load >>.
		2695
1801	=cut	2696	=cut
		2697
		2698	our $GOTOGEN;
1802		2699
1803	sub cf::object::player::goto {	2700	sub cf::object::player::goto {
1804	my ($self, $path, $x, $y) = @_;	2701	my ($self, $path, $x, $y, $check, $done) = @_;
		2702
		2703	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2704	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2705	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2706	($path, $x, $y) = @$EMERGENCY_POSITION;
		2707	}
		2708
		2709	# do generation counting so two concurrent goto's will be executed in-order
		2710	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1805		2711
1806	$self->enter_link;	2712	$self->enter_link;
1807		2713
1808	(async {	2714	(async {
1809	my $map = cf::map::find $path;	2715	$Coro::current->{desc} = "player::goto $path $x $y";
		2716
		2717	# *tag paths override both path and x|y
		2718	if ($path =~ /^\*(.*)$/) {
		2719	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2720	my $ob = $obs[rand @obs];
		2721
		2722	# see if we actually can go there
		2723	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2724	$ob = $obs[rand @obs];
		2725	} else {
		2726	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2727	}
		2728	# else put us there anyways for now #d#
		2729
		2730	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2731	} else {
		2732	($path, $x, $y) = (undef, undef, undef);
		2733	}
		2734	}
		2735
		2736	my $map = eval {
		2737	my $map = defined $path ? cf::map::find $path : undef;
		2738
		2739	if ($map) {
1810	$map = $map->customise_for ($self) if $map;	2740	$map = $map->customise_for ($self);
1811		2741	$map = $check->($map, $x, $y, $self) if $check && $map;
1812	# warn "entering ", $map->path, " at ($x, $y)\n"	2742	} else {
1813	# if $map;
1814
1815	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2743	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2744	}
1816		2745
		2746	$map
		2747	};
		2748
		2749	if ($@) {
		2750	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2751	LOG llevError | logBacktrace, Carp::longmess $@;
		2752	}
		2753
		2754	if ($gen == $self->{_goto_generation}) {
		2755	delete $self->{_goto_generation};
1817	$self->leave_link ($map, $x, $y);	2756	$self->leave_link ($map, $x, $y);
		2757	}
		2758
		2759	$done->($self) if $done;
1818	})->prio (1);	2760	})->prio (1);
1819	}	2761	}
1820		2762
1821	=item $player_object->enter_exit ($exit_object)	2763	=item $player_object->enter_exit ($exit_object)
1822		2764
…		…
1842	}	2784	}
1843		2785
1844	sub prepare_random_map {	2786	sub prepare_random_map {
1845	my ($exit) = @_;	2787	my ($exit) = @_;
1846		2788
1847	my $guard = cf::lock_acquire "exit_prepare:$exit";
1848
1849	# all this does is basically replace the /! path by	2789	# all this does is basically replace the /! path by
1850	# a new random map path (?random/...) with a seed	2790	# a new random map path (?random/...) with a seed
1851	# that depends on the exit object	2791	# that depends on the exit object
1852		2792
1853	my $rmp = parse_random_map_params $exit->msg;	2793	my $rmp = parse_random_map_params $exit->msg;
1854		2794
1855	if ($exit->map) {	2795	if ($exit->map) {
1856	$rmp->{region} = $exit->map->region_name;	2796	$rmp->{region} = $exit->region->name;
1857	$rmp->{origin_map} = $exit->map->path;	2797	$rmp->{origin_map} = $exit->map->path;
1858	$rmp->{origin_x} = $exit->x;	2798	$rmp->{origin_x} = $exit->x;
1859	$rmp->{origin_y} = $exit->y;	2799	$rmp->{origin_y} = $exit->y;
		2800
		2801	$exit->map->touch;
1860	}	2802	}
1861		2803
1862	$rmp->{random_seed} ||= $exit->random_seed;	2804	$rmp->{random_seed} ||= $exit->random_seed;
1863		2805
1864	my $data = cf::to_json $rmp;	2806	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1865	my $md5 = Digest::MD5::md5_hex $data;	2807	my $md5 = Digest::MD5::md5_hex $data;
1866	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2808	my $meta = "$RANDOMDIR/$md5.meta";
1867		2809
1868	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2810	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1869	aio_write $fh, 0, (length $data), $data, 0;	2811	aio_write $fh, 0, (length $data), $data, 0;
1870	undef $fh;	2812	undef $fh;
1871	aio_rename "$meta~", $meta;	2813	aio_rename "$meta~", $meta;
1872		2814
		2815	my $slaying = "?random/$md5";
		2816
		2817	if ($exit->valid) {
1873	$exit->slaying ("?random/$md5");	2818	$exit->slaying ("?random/$md5");
1874	$exit->msg (undef);	2819	$exit->msg (undef);
		2820	}
1875	}	2821	}
1876	}	2822	}
1877		2823
1878	sub cf::object::player::enter_exit {	2824	sub cf::object::player::enter_exit {
1879	my ($self, $exit) = @_;	2825	my ($self, $exit) = @_;
…		…
1881	return unless $self->type == cf::PLAYER;	2827	return unless $self->type == cf::PLAYER;
1882		2828
1883	$self->enter_link;	2829	$self->enter_link;
1884		2830
1885	(async {	2831	(async {
1886	$self->deactivate_recursive; # just to be sure	2832	$Coro::current->{desc} = "enter_exit";
		2833
1887	unless (eval {	2834	unless (eval {
		2835	$self->deactivate_recursive; # just to be sure
		2836
		2837	# random map handling
		2838	{
		2839	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2840
1888	prepare_random_map $exit	2841	prepare_random_map $exit
1889	if $exit->slaying eq "/!";	2842	if $exit->slaying eq "/!";
		2843	}
1890		2844
1891	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2845	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1892	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2846	my $x = $exit->stats->hp;
		2847	my $y = $exit->stats->sp;
1893		2848
		2849	$self->goto ($map, $x, $y);
		2850
		2851	# if exit is damned, update players death & WoR home-position
		2852	$self->contr->savebed ($map, $x, $y)
		2853	if $exit->flag (cf::FLAG_DAMNED);
		2854
1894	1;	2855	1
1895	}) {	2856	}) {
1896	$self->message ("Something went wrong deep within the crossfire server. "	2857	$self->message ("Something went wrong deep within the deliantra server. "
1897	. "I'll try to bring you back to the map you were before. "	2858	. "I'll try to bring you back to the map you were before. "
1898	. "Please report this to the dungeon master!",	2859	. "Please report this to the dungeon master!",
1899	cf::NDI_UNIQUE | cf::NDI_RED);	2860	cf::NDI_UNIQUE | cf::NDI_RED);
1900		2861
1901	warn "ERROR in enter_exit: $@";	2862	error "ERROR in enter_exit: $@";
1902	$self->leave_link;	2863	$self->leave_link;
1903	}	2864	}
1904	})->prio (1);	2865	})->prio (1);
1905	}	2866	}
1906		2867
…		…
1917		2878
1918	sub cf::client::send_drawinfo {	2879	sub cf::client::send_drawinfo {
1919	my ($self, $text, $flags) = @_;	2880	my ($self, $text, $flags) = @_;
1920		2881
1921	utf8::encode $text;	2882	utf8::encode $text;
1922	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2883	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1923	}	2884	}
1924		2885
		2886	=item $client->send_big_packet ($pkt)
		2887
		2888	Like C<send_packet>, but tries to compress large packets, and fragments
		2889	them as required.
		2890
		2891	=cut
		2892
		2893	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2894
		2895	sub cf::client::send_big_packet {
		2896	my ($self, $pkt) = @_;
		2897
		2898	# try lzf for large packets
		2899	$pkt = "lzf " . Compress::LZF::compress $pkt
		2900	if 1024 <= length $pkt and $self->{can_lzf};
		2901
		2902	# split very large packets
		2903	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2904	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2905	$pkt = "frag";
		2906	}
		2907
		2908	$self->send_packet ($pkt);
		2909	}
		2910
		2911	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2912
		2913	Send a drawinfo or msg packet to the client, formatting the msg for the
		2914	client if neccessary. C<$type> should be a string identifying the type of
		2915	the message, with C<log> being the default. If C<$color> is negative, suppress
		2916	the message unless the client supports the msg packet.
		2917
		2918	=cut
		2919
		2920	# non-persistent channels (usually the info channel)
		2921	our %CHANNEL = (
		2922	"c/motd" => {
		2923	id => "infobox",
		2924	title => "MOTD",
		2925	reply => undef,
		2926	tooltip => "The message of the day",
		2927	},
		2928	"c/identify" => {
		2929	id => "infobox",
		2930	title => "Identify",
		2931	reply => undef,
		2932	tooltip => "Items recently identified",
		2933	},
		2934	"c/examine" => {
		2935	id => "infobox",
		2936	title => "Examine",
		2937	reply => undef,
		2938	tooltip => "Signs and other items you examined",
		2939	},
		2940	"c/shopinfo" => {
		2941	id => "infobox",
		2942	title => "Shop Info",
		2943	reply => undef,
		2944	tooltip => "What your bargaining skill tells you about the shop",
		2945	},
		2946	"c/book" => {
		2947	id => "infobox",
		2948	title => "Book",
		2949	reply => undef,
		2950	tooltip => "The contents of a note or book",
		2951	},
		2952	"c/lookat" => {
		2953	id => "infobox",
		2954	title => "Look",
		2955	reply => undef,
		2956	tooltip => "What you saw there",
		2957	},
		2958	"c/who" => {
		2959	id => "infobox",
		2960	title => "Players",
		2961	reply => undef,
		2962	tooltip => "Shows players who are currently online",
		2963	},
		2964	"c/body" => {
		2965	id => "infobox",
		2966	title => "Body Parts",
		2967	reply => undef,
		2968	tooltip => "Shows which body parts you posess and are available",
		2969	},
		2970	"c/statistics" => {
		2971	id => "infobox",
		2972	title => "Statistics",
		2973	reply => undef,
		2974	tooltip => "Shows your primary statistics",
		2975	},
		2976	"c/skills" => {
		2977	id => "infobox",
		2978	title => "Skills",
		2979	reply => undef,
		2980	tooltip => "Shows your experience per skill and item power",
		2981	},
		2982	"c/shopitems" => {
		2983	id => "infobox",
		2984	title => "Shop Items",
		2985	reply => undef,
		2986	tooltip => "Shows the items currently for sale in this shop",
		2987	},
		2988	"c/resistances" => {
		2989	id => "infobox",
		2990	title => "Resistances",
		2991	reply => undef,
		2992	tooltip => "Shows your resistances",
		2993	},
		2994	"c/pets" => {
		2995	id => "infobox",
		2996	title => "Pets",
		2997	reply => undef,
		2998	tooltip => "Shows information abotu your pets/a specific pet",
		2999	},
		3000	"c/perceiveself" => {
		3001	id => "infobox",
		3002	title => "Perceive Self",
		3003	reply => undef,
		3004	tooltip => "You gained detailed knowledge about yourself",
		3005	},
		3006	"c/uptime" => {
		3007	id => "infobox",
		3008	title => "Uptime",
		3009	reply => undef,
		3010	tooltip => "How long the server has been running since last restart",
		3011	},
		3012	"c/mapinfo" => {
		3013	id => "infobox",
		3014	title => "Map Info",
		3015	reply => undef,
		3016	tooltip => "Information related to the maps",
		3017	},
		3018	"c/party" => {
		3019	id => "party",
		3020	title => "Party",
		3021	reply => "gsay ",
		3022	tooltip => "Messages and chat related to your party",
		3023	},
		3024	"c/death" => {
		3025	id => "death",
		3026	title => "Death",
		3027	reply => undef,
		3028	tooltip => "Reason for and more info about your most recent death",
		3029	},
		3030	"c/say" => $SAY_CHANNEL,
		3031	"c/chat" => $CHAT_CHANNEL,
		3032	);
		3033
		3034	sub cf::client::send_msg {
		3035	my ($self, $channel, $msg, $color, @extra) = @_;
		3036
		3037	$msg = $self->pl->expand_cfpod ($msg)
		3038	unless $color & cf::NDI_VERBATIM;
		3039
		3040	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3041
		3042	# check predefined channels, for the benefit of C
		3043	if ($CHANNEL{$channel}) {
		3044	$channel = $CHANNEL{$channel};
		3045
		3046	$self->ext_msg (channel_info => $channel);
		3047	$channel = $channel->{id};
		3048
		3049	} elsif (ref $channel) {
		3050	# send meta info to client, if not yet sent
		3051	unless (exists $self->{channel}{$channel->{id}}) {
		3052	$self->{channel}{$channel->{id}} = $channel;
		3053	$self->ext_msg (channel_info => $channel);
		3054	}
		3055
		3056	$channel = $channel->{id};
		3057	}
		3058
		3059	return unless @extra || length $msg;
		3060
		3061	# default colour, mask it out
		3062	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3063	if $color & cf::NDI_DEF;
		3064
		3065	my $pkt = "msg "
		3066	. $self->{json_coder}->encode (
		3067	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3068	);
		3069
		3070	$self->send_big_packet ($pkt);
		3071	}
		3072
		3073	=item $client->ext_msg ($type, @msg)
		3074
		3075	Sends an ext event to the client.
		3076
		3077	=cut
		3078
		3079	sub cf::client::ext_msg($$@) {
		3080	my ($self, $type, @msg) = @_;
		3081
		3082	if ($self->extcmd == 2) {
		3083	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3084	} elsif ($self->extcmd == 1) { # TODO: remove
		3085	push @msg, msgtype => "event_$type";
		3086	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3087	}
		3088	}
		3089
		3090	=item $client->ext_reply ($msgid, @msg)
		3091
		3092	Sends an ext reply to the client.
		3093
		3094	=cut
		3095
		3096	sub cf::client::ext_reply($$@) {
		3097	my ($self, $id, @msg) = @_;
		3098
		3099	if ($self->extcmd == 2) {
		3100	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3101	} elsif ($self->extcmd == 1) {
		3102	#TODO: version 1, remove
		3103	unshift @msg, msgtype => "reply", msgid => $id;
		3104	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3105	}
		3106	}
1925		3107
1926	=item $success = $client->query ($flags, "text", \&cb)	3108	=item $success = $client->query ($flags, "text", \&cb)
1927		3109
1928	Queues a query to the client, calling the given callback with	3110	Queues a query to the client, calling the given callback with
1929	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3111	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1930	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3112	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1931		3113
1932	Queries can fail, so check the return code. Or don't, as queries will become	3114	Queries can fail, so check the return code. Or don't, as queries will
1933	reliable at some point in the future.	3115	become reliable at some point in the future.
1934		3116
1935	=cut	3117	=cut
1936		3118
1937	sub cf::client::query {	3119	sub cf::client::query {
1938	my ($self, $flags, $text, $cb) = @_;	3120	my ($self, $flags, $text, $cb) = @_;
…		…
1946	utf8::encode $text;	3128	utf8::encode $text;
1947	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3129	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1948		3130
1949	$self->send_packet ($self->{query_queue}[0][0])	3131	$self->send_packet ($self->{query_queue}[0][0])
1950	if @{ $self->{query_queue} } == 1;	3132	if @{ $self->{query_queue} } == 1;
		3133
		3134	1
1951	}	3135	}
1952		3136
1953	cf::client->attach (	3137	cf::client->attach (
		3138	on_connect => sub {
		3139	my ($ns) = @_;
		3140
		3141	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3142	},
1954	on_reply => sub {	3143	on_reply => sub {
1955	my ($ns, $msg) = @_;	3144	my ($ns, $msg) = @_;
1956		3145
1957	# this weird shuffling is so that direct followup queries	3146	# this weird shuffling is so that direct followup queries
1958	# get handled first	3147	# get handled first
1959	my $queue = delete $ns->{query_queue}	3148	my $queue = delete $ns->{query_queue}
1960	or return; # be conservative, not sure how that can happen, but we saw a crash here	3149	or return; # be conservative, not sure how that can happen, but we saw a crash here
1961		3150
1962	(shift @$queue)->[1]->($msg);	3151	(shift @$queue)->[1]->($msg);
		3152	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1963		3153
1964	push @{ $ns->{query_queue} }, @$queue;	3154	push @{ $ns->{query_queue} }, @$queue;
1965		3155
1966	if (@{ $ns->{query_queue} } == @$queue) {	3156	if (@{ $ns->{query_queue} } == @$queue) {
1967	if (@$queue) {	3157	if (@$queue) {
…		…
1969	} else {	3159	} else {
1970	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3160	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1971	}	3161	}
1972	}	3162	}
1973	},	3163	},
		3164	on_exticmd => sub {
		3165	my ($ns, $buf) = @_;
		3166
		3167	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3168
		3169	if (ref $msg) {
		3170	my ($type, $reply, @payload) =
		3171	"ARRAY" eq ref $msg
		3172	? @$msg
		3173	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3174
		3175	my @reply;
		3176
		3177	if (my $cb = $EXTICMD{$type}) {
		3178	@reply = $cb->($ns, @payload);
		3179	}
		3180
		3181	$ns->ext_reply ($reply, @reply)
		3182	if $reply;
		3183
		3184	} else {
		3185	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3186	}
		3187
		3188	cf::override;
		3189	},
1974	);	3190	);
1975		3191
1976	=item $client->async (\&cb)	3192	=item $client->async (\&cb)
1977		3193
1978	Create a new coroutine, running the specified callback. The coroutine will	3194	Create a new coroutine, running the specified callback. The coroutine will
…		…
1994		3210
1995	$coro	3211	$coro
1996	}	3212	}
1997		3213
1998	cf::client->attach (	3214	cf::client->attach (
1999	on_destroy => sub {	3215	on_client_destroy => sub {
2000	my ($ns) = @_;	3216	my ($ns) = @_;
2001		3217
2002	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3218	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2003	},	3219	},
2004	);	3220	);
…		…
2019	our $safe = new Safe "safe";	3235	our $safe = new Safe "safe";
2020	our $safe_hole = new Safe::Hole;	3236	our $safe_hole = new Safe::Hole;
2021		3237
2022	$SIG{FPE} = 'IGNORE';	3238	$SIG{FPE} = 'IGNORE';
2023		3239
2024	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3240	$safe->permit_only (Opcode::opset qw(
		3241	:base_core :base_mem :base_orig :base_math :base_loop
		3242	grepstart grepwhile mapstart mapwhile
		3243	sort time
		3244	));
2025		3245
2026	# here we export the classes and methods available to script code	3246	# here we export the classes and methods available to script code
2027		3247
2028	=pod	3248	=pod
2029		3249
2030	The following fucntions and emthods are available within a safe environment:	3250	The following functions and methods are available within a safe environment:
2031		3251
2032	cf::object contr pay_amount pay_player map	3252	cf::object
		3253	contr pay_amount pay_player map x y force_find force_add destroy
		3254	insert remove name archname title slaying race decrease split
		3255	value
		3256
2033	cf::object::player player	3257	cf::object::player
2034	cf::player peaceful	3258	player
2035	cf::map trigger	3259
		3260	cf::player
		3261	peaceful
		3262
		3263	cf::map
		3264	trigger
2036		3265
2037	=cut	3266	=cut
2038		3267
2039	for (	3268	for (
2040	["cf::object" => qw(contr pay_amount pay_player map)],	3269	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3270	insert remove inv nrof name archname title slaying race
		3271	decrease split destroy change_exp value msg lore send_msg)],
2041	["cf::object::player" => qw(player)],	3272	["cf::object::player" => qw(player)],
2042	["cf::player" => qw(peaceful)],	3273	["cf::player" => qw(peaceful send_msg)],
2043	["cf::map" => qw(trigger)],	3274	["cf::map" => qw(trigger)],
2044	) {	3275	) {
2045	no strict 'refs';
2046	my ($pkg, @funs) = @$_;	3276	my ($pkg, @funs) = @$_;
2047	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3277	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2048	for @funs;	3278	for @funs;
2049	}	3279	}
2050		3280
…		…
2065		3295
2066	my $qcode = $code;	3296	my $qcode = $code;
2067	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3297	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2068	$qcode =~ s/\n/\\n/g;	3298	$qcode =~ s/\n/\\n/g;
2069		3299
		3300	%vars = (_dummy => 0) unless %vars;
		3301
		3302	my @res;
2070	local $_;	3303	local $_;
2071	local @safe::cf::_safe_eval_args = values %vars;
2072		3304
2073	my $eval =	3305	my $eval =
2074	"do {\n"	3306	"do {\n"
2075	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3307	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2076	. "#line 0 \"{$qcode}\"\n"	3308	. "#line 0 \"{$qcode}\"\n"
2077	. $code	3309	. $code
2078	. "\n}"	3310	. "\n}"
2079	;	3311	;
2080		3312
		3313	if ($CFG{safe_eval}) {
2081	sub_generation_inc;	3314	sub_generation_inc;
		3315	local @safe::cf::_safe_eval_args = values %vars;
2082	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3316	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2083	sub_generation_inc;	3317	sub_generation_inc;
		3318	} else {
		3319	local @cf::_safe_eval_args = values %vars;
		3320	@res = wantarray ? eval eval : scalar eval $eval;
		3321	}
2084		3322
2085	if ($@) {	3323	if ($@) {
2086	warn "$@";	3324	warn "$@",
2087	warn "while executing safe code '$code'\n";	3325	"while executing safe code '$code'\n",
2088	warn "with arguments " . (join " ", %vars) . "\n";	3326	"with arguments " . (join " ", %vars) . "\n";
2089	}	3327	}
2090		3328
2091	wantarray ? @res : $res[0]	3329	wantarray ? @res : $res[0]
2092	}	3330	}
2093		3331
…		…
2107	=cut	3345	=cut
2108		3346
2109	sub register_script_function {	3347	sub register_script_function {
2110	my ($fun, $cb) = @_;	3348	my ($fun, $cb) = @_;
2111		3349
2112	no strict 'refs';	3350	$fun = "safe::$fun" if $CFG{safe_eval};
2113	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3351	*$fun = $safe_hole->wrap ($cb);
2114	}	3352	}
2115		3353
2116	=back	3354	=back
2117		3355
2118	=cut	3356	=cut
2119		3357
2120	#############################################################################	3358	#############################################################################
		3359	# the server's init and main functions
2121		3360
2122	=head2 EXTENSION DATABASE SUPPORT	3361	sub load_facedata($) {
		3362	my ($path) = @_;
2123		3363
2124	Crossfire maintains a very simple database for extension use. It can	3364	# HACK to clear player env face cache, we need some signal framework
2125	currently store anything that can be serialised using Storable, which	3365	# for this (global event?)
2126	excludes objects.	3366	%ext::player_env::MUSIC_FACE_CACHE = ();
2127		3367
2128	The parameter C<$family> should best start with the name of the extension	3368	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2129	using it, it should be unique.
2130		3369
2131	=over 4	3370	trace "loading facedata from $path\n";
2132		3371
2133	=item $hashref = cf::db_get $family	3372	my $facedata;
		3373	0 < aio_load $path, $facedata
		3374	or die "$path: $!";
2134		3375
2135	Return a hashref for use by the extension C<$family>, which can be	3376	$facedata = Coro::Storable::thaw $facedata;
2136	modified. After modifications, you have to call C<cf::db_dirty> or
2137	C<cf::db_sync>.
2138		3377
2139	=item $value = cf::db_get $family => $key	3378	$facedata->{version} == 2
		3379	or cf::cleanup "$path: version mismatch, cannot proceed.";
2140		3380
2141	Returns a single value from the database	3381	# patch in the exptable
2142		3382	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2143	=item cf::db_put $family => $hashref	3383	$facedata->{resource}{"res/exp_table"} = {
2144		3384	type => FT_RSRC,
2145	Stores the given family hashref into the database. Updates are delayed, if	3385	data => $exp_table,
2146	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3386	hash => (Digest::MD5::md5 $exp_table),
2147
2148	=item cf::db_put $family => $key => $value
2149
2150	Stores the given C<$value> in the family hash. Updates are delayed, if you
2151	want the data to be synced to disk immediately, use C<cf::db_sync>.
2152
2153	=item cf::db_dirty
2154
2155	Marks the database as dirty, to be updated at a later time.
2156
2157	=item cf::db_sync
2158
2159	Immediately write the database to disk I<if it is dirty>.
2160
2161	=cut
2162
2163	our $DB;
2164
2165	{
2166	my $path = cf::localdir . "/database.pst";
2167
2168	sub db_load() {
2169	$DB = stat $path ? Storable::retrieve $path : { };
2170	}
2171
2172	my $pid;
2173
2174	sub db_save() {
2175	waitpid $pid, 0 if $pid;
2176	if (0 == ($pid = fork)) {
2177	$DB->{_meta}{version} = 1;
2178	Storable::nstore $DB, "$path~";
2179	rename "$path~", $path;
2180	cf::_exit 0 if defined $pid;
2181	}
2182	}
2183
2184	my $dirty;
2185
2186	sub db_sync() {
2187	db_save if $dirty;
2188	undef $dirty;
2189	}
2190
2191	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2192	db_sync;
2193	});	3387	};
		3388	cf::cede_to_tick;
2194		3389
2195	sub db_dirty() {
2196	$dirty = 1;
2197	$idle->start;
2198	}	3390	{
		3391	my $faces = $facedata->{faceinfo};
2199		3392
2200	sub db_get($;$) {	3393	while (my ($face, $info) = each %$faces) {
2201	@_ >= 2	3394	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2202	? $DB->{$_[0]}{$_[1]}
2203	: ($DB->{$_[0]} ||= { })
2204	}
2205		3395
2206	sub db_put($$;$) {	3396	cf::face::set_visibility $idx, $info->{visibility};
2207	if (@_ >= 3) {	3397	cf::face::set_magicmap $idx, $info->{magicmap};
2208	$DB->{$_[0]}{$_[1]} = $_[2];	3398	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2209	} else {	3399	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2210	$DB->{$_[0]} = $_[1];
2211	}
2212	db_dirty;
2213	}
2214		3400
2215	cf::global->attach (	3401	cf::cede_to_tick;
2216	prio => 10000,
2217	on_cleanup => sub {
2218	db_sync;
2219	},	3402	}
2220	);
2221	}
2222		3403
2223	#############################################################################	3404	while (my ($face, $info) = each %$faces) {
2224	# the server's main()	3405	next unless $info->{smooth};
2225		3406
2226	sub cfg_load {	3407	my $idx = cf::face::find $face
		3408	or next;
		3409
		3410	if (my $smooth = cf::face::find $info->{smooth}) {
		3411	cf::face::set_smooth $idx, $smooth;
		3412	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3413	} else {
		3414	error "smooth face '$info->{smooth}' not found for face '$face'";
		3415	}
		3416
		3417	cf::cede_to_tick;
		3418	}
		3419	}
		3420
		3421	{
		3422	my $anims = $facedata->{animinfo};
		3423
		3424	while (my ($anim, $info) = each %$anims) {
		3425	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3426	cf::cede_to_tick;
		3427	}
		3428
		3429	cf::anim::invalidate_all; # d'oh
		3430	}
		3431
		3432	{
		3433	my $res = $facedata->{resource};
		3434
		3435	while (my ($name, $info) = each %$res) {
		3436	if (defined $info->{type}) {
		3437	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3438
		3439	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3440	cf::face::set_type $idx, $info->{type};
		3441	} else {
		3442	$RESOURCE{$name} = $info; # unused
		3443	}
		3444
		3445	cf::cede_to_tick;
		3446	}
		3447	}
		3448
		3449	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3450
		3451	1
		3452	}
		3453
		3454	register_exticmd fx_want => sub {
		3455	my ($ns, $want) = @_;
		3456
		3457	while (my ($k, $v) = each %$want) {
		3458	$ns->fx_want ($k, $v);
		3459	}
		3460	};
		3461
		3462	sub load_resource_file($) {
		3463	my $guard = lock_acquire "load_resource_file";
		3464
		3465	my $status = load_resource_file_ $_[0];
		3466	get_slot 0.1, 100;
		3467	cf::arch::commit_load;
		3468
		3469	$status
		3470	}
		3471
		3472	sub reload_regions {
		3473	# HACK to clear player env face cache, we need some signal framework
		3474	# for this (global event?)
		3475	%ext::player_env::MUSIC_FACE_CACHE = ();
		3476
		3477	load_resource_file "$MAPDIR/regions"
		3478	or die "unable to load regions file\n";
		3479
		3480	for (cf::region::list) {
		3481	$_->{match} = qr/$_->{match}/
		3482	if exists $_->{match};
		3483	}
		3484	}
		3485
		3486	sub reload_facedata {
		3487	load_facedata "$DATADIR/facedata"
		3488	or die "unable to load facedata\n";
		3489	}
		3490
		3491	sub reload_archetypes {
		3492	load_resource_file "$DATADIR/archetypes"
		3493	or die "unable to load archetypes\n";
		3494	}
		3495
		3496	sub reload_treasures {
		3497	load_resource_file "$DATADIR/treasures"
		3498	or die "unable to load treasurelists\n";
		3499	}
		3500
		3501	sub reload_sound {
		3502	trace "loading sound config from $DATADIR/sound\n";
		3503
		3504	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3505	or die "$DATADIR/sound $!";
		3506
		3507	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3508
		3509	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3510	my $sound = $soundconf->{compat}[$_]
		3511	or next;
		3512
		3513	my $face = cf::face::find "sound/$sound->[1]";
		3514	cf::sound::set $sound->[0] => $face;
		3515	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3516	}
		3517
		3518	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3519	my $face = cf::face::find "sound/$v";
		3520	cf::sound::set $k => $face;
		3521	}
		3522	}
		3523
		3524	sub reload_resources {
		3525	trace "reloading resource files...\n";
		3526
		3527	reload_facedata;
		3528	reload_sound;
		3529	reload_archetypes;
		3530	reload_regions;
		3531	reload_treasures;
		3532
		3533	trace "finished reloading resource files\n";
		3534	}
		3535
		3536	sub reload_config {
		3537	trace "reloading config file...\n";
		3538
2227	open my $fh, "<:utf8", cf::confdir . "/config"	3539	open my $fh, "<:utf8", "$CONFDIR/config"
2228	or return;	3540	or return;
2229		3541
2230	local $/;	3542	local $/;
2231	*CFG = YAML::Syck::Load <$fh>;	3543	*CFG = YAML::XS::Load scalar <$fh>;
2232		3544
2233	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3545	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2234		3546
2235	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3547	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2236	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3548	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2237		3549
2238	if (exists $CFG{mlockall}) {	3550	if (exists $CFG{mlockall}) {
…		…
2240	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3552	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2241	and die "WARNING: m(un)lockall failed: $!\n";	3553	and die "WARNING: m(un)lockall failed: $!\n";
2242	};	3554	};
2243	warn $@ if $@;	3555	warn $@ if $@;
2244	}	3556	}
		3557
		3558	trace "finished reloading resource files\n";
		3559	}
		3560
		3561	sub pidfile() {
		3562	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3563	or die "$PIDFILE: $!";
		3564	flock $fh, &Fcntl::LOCK_EX
		3565	or die "$PIDFILE: flock: $!";
		3566	$fh
		3567	}
		3568
		3569	# make sure only one server instance is running at any one time
		3570	sub atomic {
		3571	my $fh = pidfile;
		3572
		3573	my $pid = <$fh>;
		3574	kill 9, $pid if $pid > 0;
		3575
		3576	seek $fh, 0, 0;
		3577	print $fh $$;
		3578	}
		3579
		3580	sub main_loop {
		3581	trace "EV::loop starting\n";
		3582	if (1) {
		3583	EV::loop;
		3584	}
		3585	trace "EV::loop returned\n";
		3586	goto &main_loop unless $REALLY_UNLOOP;
2245	}	3587	}
2246		3588
2247	sub main {	3589	sub main {
		3590	cf::init_globals; # initialise logging
		3591
		3592	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3593	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3594	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3595	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3596
		3597	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3598
2248	# we must not ever block the main coroutine	3599	# we must not ever block the main coroutine
2249	local $Coro::idle = sub {	3600	local $Coro::idle = sub {
2250	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3601	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2251	(async {	3602	(async {
2252	Event::one_event;	3603	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3604	EV::loop EV::LOOP_ONESHOT;
2253	})->prio (Coro::PRIO_MAX);	3605	})->prio (Coro::PRIO_MAX);
2254	};	3606	};
2255		3607
2256	cfg_load;	3608	evthread_start IO::AIO::poll_fileno;
2257	db_load;	3609
		3610	cf::sync_job {
		3611	cf::init_experience;
		3612	cf::init_anim;
		3613	cf::init_attackmess;
		3614	cf::init_dynamic;
		3615
		3616	cf::load_settings;
		3617	cf::load_materials;
		3618
		3619	reload_resources;
		3620	reload_config;
		3621	db_init;
		3622
		3623	cf::init_uuid;
		3624	cf::init_signals;
		3625	cf::init_skills;
		3626
		3627	cf::init_beforeplay;
		3628
		3629	atomic;
		3630
2258	load_extensions;	3631	load_extensions;
2259		3632
2260	$TICK_WATCHER->start;	3633	utime time, time, $RUNTIMEFILE;
2261	Event::loop;	3634
		3635	# no (long-running) fork's whatsoever before this point(!)
		3636	use POSIX ();
		3637	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3638
		3639	(pop @POST_INIT)->(0) while @POST_INIT;
		3640	};
		3641
		3642	cf::object::thawer::errors_are_fatal 0;
		3643	info "parse errors in files are no longer fatal from this point on.\n";
		3644
		3645	main_loop;
2262	}	3646	}
2263		3647
2264	#############################################################################	3648	#############################################################################
2265	# initialisation and cleanup	3649	# initialisation and cleanup
2266		3650
2267	# install some emergency cleanup handlers	3651	# install some emergency cleanup handlers
2268	BEGIN {	3652	BEGIN {
		3653	our %SIGWATCHER = ();
2269	for my $signal (qw(INT HUP TERM)) {	3654	for my $signal (qw(INT HUP TERM)) {
2270	Event->signal (	3655	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2271	data => WF_AUTOCANCEL,
2272	signal => $signal,
2273	cb => sub {
2274	cf::cleanup "SIG$signal";	3656	cf::cleanup "SIG$signal";
2275	},
2276	);	3657	};
		3658	}
		3659	}
		3660
		3661	sub write_runtime_sync {
		3662	my $t0 = AE::time;
		3663
		3664	# first touch the runtime file to show we are still running:
		3665	# the fsync below can take a very very long time.
		3666
		3667	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3668
		3669	my $guard = cf::lock_acquire "write_runtime";
		3670
		3671	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3672	or return;
		3673
		3674	my $value = $cf::RUNTIME + 90 + 10;
		3675	# 10 is the runtime save interval, for a monotonic clock
		3676	# 60 allows for the watchdog to kill the server.
		3677
		3678	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3679	and return;
		3680
		3681	# always fsync - this file is important
		3682	aio_fsync $fh
		3683	and return;
		3684
		3685	# touch it again to show we are up-to-date
		3686	aio_utime $fh, undef, undef;
		3687
		3688	close $fh
		3689	or return;
		3690
		3691	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3692	and return;
		3693
		3694	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3695
2277	}	3696	1
		3697	}
		3698
		3699	our $uuid_lock;
		3700	our $uuid_skip;
		3701
		3702	sub write_uuid_sync($) {
		3703	$uuid_skip ||= $_[0];
		3704
		3705	return if $uuid_lock;
		3706	local $uuid_lock = 1;
		3707
		3708	my $uuid = "$LOCALDIR/uuid";
		3709
		3710	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3711	or return;
		3712
		3713	my $value = uuid_seq uuid_cur;
		3714
		3715	unless ($value) {
		3716	info "cowardly refusing to write zero uuid value!\n";
		3717	return;
		3718	}
		3719
		3720	my $value = uuid_str $value + $uuid_skip;
		3721	$uuid_skip = 0;
		3722
		3723	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3724	and return;
		3725
		3726	# always fsync - this file is important
		3727	aio_fsync $fh
		3728	and return;
		3729
		3730	close $fh
		3731	or return;
		3732
		3733	aio_rename "$uuid~", $uuid
		3734	and return;
		3735
		3736	trace "uuid file written ($value).\n";
		3737
		3738	1
		3739
		3740	}
		3741
		3742	sub write_uuid($$) {
		3743	my ($skip, $sync) = @_;
		3744
		3745	$sync ? write_uuid_sync $skip
		3746	: async { write_uuid_sync $skip };
2278	}	3747	}
2279		3748
2280	sub emergency_save() {	3749	sub emergency_save() {
2281	my $freeze_guard = cf::freeze_mainloop;	3750	my $freeze_guard = cf::freeze_mainloop;
2282		3751
2283	warn "enter emergency perl save\n";	3752	info "emergency_perl_save: enter\n";
		3753
		3754	# this is a trade-off: we want to be very quick here, so
		3755	# save all maps without fsync, and later call a global sync
		3756	# (which in turn might be very very slow)
		3757	local $USE_FSYNC = 0;
2284		3758
2285	cf::sync_job {	3759	cf::sync_job {
		3760	cf::write_runtime_sync; # external watchdog should not bark
		3761
2286	# use a peculiar iteration method to avoid tripping on perl	3762	# use a peculiar iteration method to avoid tripping on perl
2287	# refcount bugs in for. also avoids problems with players	3763	# refcount bugs in for. also avoids problems with players
2288	# and maps saved/destroyed asynchronously.	3764	# and maps saved/destroyed asynchronously.
2289	warn "begin emergency player save\n";	3765	info "emergency_perl_save: begin player save\n";
2290	for my $login (keys %cf::PLAYER) {	3766	for my $login (keys %cf::PLAYER) {
2291	my $pl = $cf::PLAYER{$login} or next;	3767	my $pl = $cf::PLAYER{$login} or next;
2292	$pl->valid or next;	3768	$pl->valid or next;
		3769	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2293	$pl->save;	3770	$pl->save;
2294	}	3771	}
2295	warn "end emergency player save\n";	3772	info "emergency_perl_save: end player save\n";
2296		3773
2297	warn "begin emergency map save\n";	3774	cf::write_runtime_sync; # external watchdog should not bark
		3775
		3776	info "emergency_perl_save: begin map save\n";
2298	for my $path (keys %cf::MAP) {	3777	for my $path (keys %cf::MAP) {
2299	my $map = $cf::MAP{$path} or next;	3778	my $map = $cf::MAP{$path} or next;
2300	$map->valid or next;	3779	$map->valid or next;
2301	$map->save;	3780	$map->save;
2302	}	3781	}
2303	warn "end emergency map save\n";	3782	info "emergency_perl_save: end map save\n";
		3783
		3784	cf::write_runtime_sync; # external watchdog should not bark
		3785
		3786	info "emergency_perl_save: begin database checkpoint\n";
		3787	BDB::db_env_txn_checkpoint $DB_ENV;
		3788	info "emergency_perl_save: end database checkpoint\n";
		3789
		3790	info "emergency_perl_save: begin write uuid\n";
		3791	write_uuid_sync 1;
		3792	info "emergency_perl_save: end write uuid\n";
		3793
		3794	cf::write_runtime_sync; # external watchdog should not bark
		3795
		3796	trace "emergency_perl_save: syncing database to disk";
		3797	BDB::db_env_txn_checkpoint $DB_ENV;
		3798
		3799	info "emergency_perl_save: starting sync\n";
		3800	IO::AIO::aio_sync sub {
		3801	info "emergency_perl_save: finished sync\n";
		3802	};
		3803
		3804	cf::write_runtime_sync; # external watchdog should not bark
		3805
		3806	trace "emergency_perl_save: flushing outstanding aio requests";
		3807	while (IO::AIO::nreqs || BDB::nreqs) {
		3808	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3809	}
		3810
		3811	cf::write_runtime_sync; # external watchdog should not bark
2304	};	3812	};
2305		3813
2306	warn "leave emergency perl save\n";	3814	info "emergency_perl_save: leave\n";
2307	}	3815	}
2308		3816
		3817	sub post_cleanup {
		3818	my ($make_core) = @_;
		3819
		3820	IO::AIO::flush;
		3821
		3822	error Carp::longmess "post_cleanup backtrace"
		3823	if $make_core;
		3824
		3825	my $fh = pidfile;
		3826	unlink $PIDFILE if <$fh> == $$;
		3827	}
		3828
		3829	# a safer delete_package, copied from Symbol
		3830	sub clear_package($) {
		3831	my $pkg = shift;
		3832
		3833	# expand to full symbol table name if needed
		3834	unless ($pkg =~ /^main::.*::$/) {
		3835	$pkg = "main$pkg" if $pkg =~ /^::/;
		3836	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3837	$pkg .= '::' unless $pkg =~ /::$/;
		3838	}
		3839
		3840	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3841	my $stem_symtab = *{$stem}{HASH};
		3842
		3843	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3844	or return;
		3845
		3846	# clear all symbols
		3847	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3848	for my $name (keys %$leaf_symtab) {
		3849	_gv_clear *{"$pkg$name"};
		3850	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3851	}
		3852	}
		3853
2309	sub reload() {	3854	sub do_reload_perl() {
2310	# can/must only be called in main	3855	# can/must only be called in main
2311	if ($Coro::current != $Coro::main) {	3856	if (in_main) {
2312	warn "can only reload from main coroutine";	3857	error "can only reload from main coroutine";
2313	return;	3858	return;
2314	}	3859	}
2315		3860
		3861	return if $RELOAD++;
		3862
		3863	my $t1 = AE::time;
		3864
		3865	while ($RELOAD) {
2316	warn "reloading...";	3866	info "reloading...";
2317		3867
2318	warn "cancelling server ticker";	3868	trace "entering sync_job";
2319	$TICK_WATCHER->cancel;
2320		3869
		3870	cf::sync_job {
2321	cf::emergency_save;	3871	cf::emergency_save;
2322		3872
2323	eval {
2324	# if anything goes wrong in here, we should simply crash as we already saved
2325
2326	warn "syncing database to disk";
2327	cf::db_sync;
2328
2329	warn "cancelling all WF_AUTOCANCEL watchers";
2330	for (Event::all_watchers) {
2331	$_->cancel if $_->data & WF_AUTOCANCEL;
2332	}
2333
2334	warn "flushing outstanding aio requests";
2335	for (;;) {
2336	IO::AIO::flush;
2337	Coro::cede;
2338	last unless IO::AIO::nreqs;
2339	warn "iterate...";
2340	}
2341
2342	warn "cancelling all extension coros";	3873	trace "cancelling all extension coros";
2343	$_->cancel for values %EXT_CORO;	3874	$_->cancel for values %EXT_CORO;
2344	%EXT_CORO = ();	3875	%EXT_CORO = ();
2345		3876
2346	warn "removing commands";	3877	trace "removing commands";
2347	%COMMAND = ();	3878	%COMMAND = ();
2348		3879
2349	warn "removing ext commands";	3880	trace "removing ext/exti commands";
2350	%EXTCMD = ();	3881	%EXTCMD = ();
		3882	%EXTICMD = ();
2351		3883
2352	warn "unloading/nuking all extensions";	3884	trace "unloading/nuking all extensions";
2353	for my $pkg (@EXTS) {	3885	for my $pkg (@EXTS) {
2354	warn "... unloading $pkg";	3886	trace "... unloading $pkg";
2355		3887
2356	if (my $cb = $pkg->can ("unload")) {	3888	if (my $cb = $pkg->can ("unload")) {
2357	eval {	3889	eval {
2358	$cb->($pkg);	3890	$cb->($pkg);
2359	1	3891	1
2360	} or warn "$pkg unloaded, but with errors: $@";	3892	} or error "$pkg unloaded, but with errors: $@";
		3893	}
		3894
		3895	trace "... clearing $pkg";
		3896	clear_package $pkg;
2361	}	3897	}
2362		3898
2363	warn "... nuking $pkg";
2364	Symbol::delete_package $pkg;
2365	}
2366
2367	warn "unloading all perl modules loaded from $LIBDIR";	3899	trace "unloading all perl modules loaded from $LIBDIR";
2368	while (my ($k, $v) = each %INC) {	3900	while (my ($k, $v) = each %INC) {
2369	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3901	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2370		3902
2371	warn "... unloading $k";	3903	trace "... unloading $k";
2372	delete $INC{$k};	3904	delete $INC{$k};
2373		3905
2374	$k =~ s/\.pm$//;	3906	$k =~ s/\.pm$//;
2375	$k =~ s/\//::/g;	3907	$k =~ s/\//::/g;
2376		3908
2377	if (my $cb = $k->can ("unload_module")) {	3909	if (my $cb = $k->can ("unload_module")) {
2378	$cb->();	3910	$cb->();
		3911	}
		3912
		3913	clear_package $k;
2379	}	3914	}
2380		3915
2381	Symbol::delete_package $k;
2382	}
2383
2384	warn "getting rid of safe::, as good as possible";	3916	trace "getting rid of safe::, as good as possible";
2385	Symbol::delete_package "safe::$_"	3917	clear_package "safe::$_"
2386	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3918	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2387		3919
2388	warn "unloading cf.pm \"a bit\"";	3920	trace "unloading cf.pm \"a bit\"";
2389	delete $INC{"cf.pm"};	3921	delete $INC{"cf.pm"};
		3922	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2390		3923
2391	# don't, removes xs symbols, too,	3924	# don't, removes xs symbols, too,
2392	# and global variables created in xs	3925	# and global variables created in xs
2393	#Symbol::delete_package __PACKAGE__;	3926	#clear_package __PACKAGE__;
2394		3927
2395	warn "unload completed, starting to reload now";	3928	info "unload completed, starting to reload now";
2396		3929
2397	warn "reloading cf.pm";	3930	trace "reloading cf.pm";
2398	require cf;	3931	require cf;
2399	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3932	cf::_connect_to_perl_1;
2400		3933
2401	warn "loading config and database again";	3934	trace "loading config and database again";
2402	cf::cfg_load;	3935	cf::reload_config;
2403	cf::db_load;
2404		3936
2405	warn "loading extensions";	3937	trace "loading extensions";
2406	cf::load_extensions;	3938	cf::load_extensions;
2407		3939
		3940	if ($REATTACH_ON_RELOAD) {
2408	warn "reattaching attachments to objects/players";	3941	trace "reattaching attachments to objects/players";
2409	_global_reattach;	3942	_global_reattach; # objects, sockets
2410	warn "reattaching attachments to maps";	3943	trace "reattaching attachments to maps";
2411	reattach $_ for values %MAP;	3944	reattach $_ for values %MAP;
		3945	trace "reattaching attachments to players";
		3946	reattach $_ for values %PLAYER;
		3947	}
2412		3948
2413	warn "restarting server ticker";	3949	trace "running post_init jobs";
		3950	(pop @POST_INIT)->(1) while @POST_INIT;
2414		3951
2415	$TICK_WATCHER->start;	3952	trace "leaving sync_job";
		3953
		3954	1
		3955	} or do {
		3956	error $@;
		3957	cf::cleanup "error while reloading, exiting.";
		3958	};
		3959
		3960	info "reloaded";
		3961	--$RELOAD;
		3962	}
		3963
		3964	$t1 = AE::time - $t1;
		3965	info "reload completed in ${t1}s\n";
		3966	};
		3967
		3968	our $RELOAD_WATCHER; # used only during reload
		3969
		3970	sub reload_perl() {
		3971	# doing reload synchronously and two reloads happen back-to-back,
		3972	# coro crashes during coro_state_free->destroy here.
		3973
		3974	$RELOAD_WATCHER ||= cf::async {
		3975	Coro::AIO::aio_wait cache_extensions;
		3976
		3977	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3978	do_reload_perl;
		3979	undef $RELOAD_WATCHER;
		3980	};
2416	};	3981	};
2417		3982	}
2418	if ($@) {
2419	warn $@;
2420	warn "error while reloading, exiting.";
2421	exit 1;
2422	}
2423
2424	warn "reloaded";
2425	};
2426
2427	our $RELOAD_WATCHER; # used only during reload
2428		3983
2429	register_command "reload" => sub {	3984	register_command "reload" => sub {
2430	my ($who, $arg) = @_;	3985	my ($who, $arg) = @_;
2431		3986
2432	if ($who->flag (FLAG_WIZ)) {	3987	if ($who->flag (FLAG_WIZ)) {
2433	$who->message ("reloading server.");	3988	$who->message ("reloading server.");
2434		3989	async {
2435	# doing reload synchronously and two reloads happen back-to-back,	3990	$Coro::current->{desc} = "perl_reload";
2436	# coro crashes during coro_state_free->destroy here.
2437
2438	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2439	reload;	3991	reload_perl;
2440	undef $RELOAD_WATCHER;
2441	});	3992	};
2442	}	3993	}
2443	};	3994	};
2444		3995
2445	unshift @INC, $LIBDIR;	3996	unshift @INC, $LIBDIR;
2446		3997
2447	my $bug_warning = 0;	3998	my $bug_warning = 0;
2448		3999
2449	$TICK_WATCHER = Event->timer (	4000	our @WAIT_FOR_TICK;
2450	reentrant => 0,	4001	our @WAIT_FOR_TICK_BEGIN;
2451	parked => 1,	4002
2452	prio => 0,	4003	sub wait_for_tick {
2453	at => $NEXT_TICK || $TICK,	4004	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2454	data => WF_AUTOCANCEL,	4005
2455	cb => sub {	4006	my $signal = new Coro::Signal;
		4007	push @WAIT_FOR_TICK, $signal;
		4008	$signal->wait;
		4009	}
		4010
		4011	sub wait_for_tick_begin {
		4012	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4013
		4014	my $signal = new Coro::Signal;
		4015	push @WAIT_FOR_TICK_BEGIN, $signal;
		4016	$signal->wait;
		4017	}
		4018
		4019	sub tick {
2456	if ($Coro::current != $Coro::main) {	4020	if ($Coro::current != $Coro::main) {
2457	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4021	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2458	unless ++$bug_warning > 10;	4022	unless ++$bug_warning > 10;
2459	return;	4023	return;
2460	}	4024	}
2461		4025
2462	$NOW = Event::time;
2463
2464	cf::server_tick; # one server iteration	4026	cf::server_tick; # one server iteration
2465	$RUNTIME += $TICK;
2466	$NEXT_TICK += $TICK;
2467		4027
2468	$WAIT_FOR_TICK->broadcast;	4028	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2469	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2470		4029
2471	# if we are delayed by four ticks or more, skip them all	4030	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2472	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4031	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2473		4032	Coro::async_pool {
2474	$TICK_WATCHER->at ($NEXT_TICK);	4033	$Coro::current->{desc} = "runtime saver";
2475	$TICK_WATCHER->start;	4034	write_runtime_sync
		4035	or error "ERROR: unable to write runtime file: $!";
		4036	};
2476	},	4037	}
2477	);
2478		4038
		4039	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4040	$sig->send;
		4041	}
		4042	while (my $sig = shift @WAIT_FOR_TICK) {
		4043	$sig->send;
		4044	}
		4045
		4046	$LOAD = ($NOW - $TICK_START) / $TICK;
		4047	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4048
		4049	if (0) {
		4050	if ($NEXT_TICK) {
		4051	my $jitter = $TICK_START - $NEXT_TICK;
		4052	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4053	debug "jitter $JITTER\n";#d#
		4054	}
		4055	}
		4056	}
		4057
		4058	{
		4059	# configure BDB
		4060
		4061	BDB::min_parallel 16;
		4062	BDB::max_poll_reqs $TICK * 0.1;
		4063	$AnyEvent::BDB::WATCHER->priority (1);
		4064
		4065	unless ($DB_ENV) {
		4066	$DB_ENV = BDB::db_env_create;
		4067	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4068	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4069	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4070	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4071	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4072
		4073	cf::sync_job {
		4074	eval {
		4075	BDB::db_env_open
		4076	$DB_ENV,
		4077	$BDBDIR,
		4078	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4079	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4080	0666;
		4081
		4082	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4083	};
		4084
		4085	cf::cleanup "db_env_open(db): $@" if $@;
		4086	};
		4087	}
		4088
		4089	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4090	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4091	};
		4092	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4093	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4094	};
		4095	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4096	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4097	};
		4098	}
		4099
		4100	{
		4101	# configure IO::AIO
		4102
		4103	IO::AIO::min_parallel 8;
2479	IO::AIO::max_poll_time $TICK * 0.2;	4104	IO::AIO::max_poll_time $TICK * 0.1;
		4105	undef $AnyEvent::AIO::WATCHER;
		4106	}
2480		4107
2481	$AIO_POLL_WATCHER = Event->io (	4108	my $_log_backtrace;
2482	fd => IO::AIO::poll_fileno,
2483	poll => 'r',
2484	prio => 5,
2485	data => WF_AUTOCANCEL,
2486	cb => \&IO::AIO::poll_cb,
2487	);
2488		4109
2489	$WRITE_RUNTIME_WATCHER = Event->timer (	4110	sub _log_backtrace {
2490	data => WF_AUTOCANCEL,	4111	my ($msg, @addr) = @_;
2491	after => 1,	4112
2492	interval => 10,	4113	$msg =~ s/\n//;
2493	prio => 6, # keep it lowest so it acts like a watchdog	4114
2494	cb => Coro::unblock_sub {	4115	# limit the # of concurrent backtraces
2495	write_runtime	4116	if ($_log_backtrace < 2) {
2496	or warn "ERROR: unable to write runtime file: $!";	4117	++$_log_backtrace;
		4118	my $perl_bt = Carp::longmess $msg;
		4119	async {
		4120	$Coro::current->{desc} = "abt $msg";
		4121
		4122	my @bt = fork_call {
		4123	@addr = map { sprintf "%x", $_ } @addr;
		4124	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4125	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4126	or die "addr2line: $!";
		4127
		4128	my @funcs;
		4129	my @res = <$fh>;
		4130	chomp for @res;
		4131	while (@res) {
		4132	my ($func, $line) = splice @res, 0, 2, ();
		4133	push @funcs, "[$func] $line";
		4134	}
		4135
		4136	@funcs
		4137	};
		4138
		4139	LOG llevInfo, "[ABT] $perl_bt\n";
		4140	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4141	LOG llevInfo, "[ABT] $_\n" for @bt;
		4142	--$_log_backtrace;
		4143	};
		4144	} else {
		4145	LOG llevInfo, "[ABT] $msg\n";
		4146	LOG llevInfo, "[ABT] [suppressed]\n";
2497	},	4147	}
2498	);	4148	}
		4149
		4150	# load additional modules
		4151	require "cf/$_.pm" for @EXTRA_MODULES;
		4152	cf::_connect_to_perl_2;
2499		4153
2500	END { cf::emergency_save }	4154	END { cf::emergency_save }
2501		4155
2502	1	4156	1
2503		4157

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