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Revision 1.253 by root, Wed Apr 18 17:32:07 2007 UTC vs.
Revision 1.569 by root, Wed May 4 07:36:40 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 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 Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	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";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
61	our $DATADIR = datadir;	99	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
65	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
71		120
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	123	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
82		132
83	our %CFG;	133	our %CFG;
84		134
85	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
87		138
88	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
91		142
92	# used to convert map paths into valid unix filenames by replacing / by ∕	143	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		145
		146	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
		149	our $TICK_START; # for load detecting purposes
		150
		151	our @POST_INIT;
		152
		153	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		154	our $REALLY_UNLOOP; # never set to true, please :)
		155
95	binmode STDOUT;	156	binmode STDOUT;
96	binmode STDERR;	157	binmode STDERR;
97		158
98	# read virtual server time, if available	159	# read virtual server time, if available
99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
100	open my $fh, "<", "$LOCALDIR/runtime"	161	open my $fh, "<", $RUNTIMEFILE
101	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
102	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
103	}	164	}
		165
		166	eval "sub TICK() { $TICK } 1" or die;
104		167
105	mkdir $_	168	mkdir $_
106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
107		170
108	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
109		172
110	sub cf::map::normalise;	173	sub cf::map::normalise;
		174
		175	sub in_main() {
		176	$Coro::current == $Coro::main
		177	}
		178
		179	#############################################################################
		180
		181	%REFLECT = ();
		182	for (@REFLECT) {
		183	my $reflect = JSON::XS::decode_json $_;
		184	$REFLECT{$reflect->{class}} = $reflect;
		185	}
		186
		187	# this is decidedly evil
		188	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
111		189
112	#############################################################################	190	#############################################################################
113		191
114	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
115		193
…		…
139		217
140	=item $cf::TICK	218	=item $cf::TICK
141		219
142	The interval between server ticks, in seconds.	220	The interval between server ticks, in seconds.
143		221
		222	=item $cf::LOADAVG
		223
		224	The current CPU load on the server (alpha-smoothed), as a value between 0
		225	(none) and 1 (overloaded), indicating how much time is spent on processing
		226	objects per tick. Healthy values are < 0.5.
		227
		228	=item $cf::LOAD
		229
		230	The raw value load value from the last tick.
		231
144	=item %cf::CFG	232	=item %cf::CFG
145		233
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	235	from wherever your confdir points to.
148		236
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		238
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	239	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152	returns directly I<after> the tick processing (and consequently, can only wake one process	240	returns directly I<after> the tick processing (and consequently, can only wake one thread
153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
		248	=item @cf::INVOKE_RESULTS
		249
		250	This array contains the results of the last C<invoke ()> call. When
		251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		252	that call.
		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
		259
155	=back	260	=back
156		261
157	=cut	262	=cut
158		263
159	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
160	*CORE::GLOBAL::warn = sub {	265	sub warn (@) { LOG llevWarn , join "", @_ }
		266	sub info (@) { LOG llevInfo , join "", @_ }
		267	sub debug(@) { LOG llevDebug, join "", @_ }
		268	sub trace(@) { LOG llevTrace, join "", @_ }
		269
		270	$Coro::State::WARNHOOK = sub {
161	my $msg = join "", @_;	271	my $msg = join "", @_;
162		272
163	$msg .= "\n"	273	$msg .= "\n"
164	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
165		275
166	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		277
168	utf8::encode $msg;
169	LOG llevError, $msg;	278	LOG llevWarn, $msg;
170	};	279	};
171	}	280
		281	$Coro::State::DIEHOOK = sub {
		282	return unless $^S eq 0; # "eq", not "=="
		283
		284	error Carp::longmess $_[0];
		285
		286	if (in_main) {#d#
		287	error "DIEHOOK called in main context, Coro bug?\n";#d#
		288	return;#d#
		289	}#d#
		290
		291	# kill coroutine otherwise
		292	Coro::terminate
		293	};
172		294
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	299	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		300	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	301	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		302
180	# we bless all objects into (empty) derived classes to force a method lookup	303	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	304	# within the Safe compartment.
182	for my $pkg (qw(	305	for my $pkg (qw(
183	cf::global cf::attachable	306	cf::global cf::attachable
184	cf::object cf::object::player	307	cf::object cf::object::player
185	cf::client cf::player	308	cf::client cf::player
186	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
187	cf::map cf::party cf::region	311	cf::party cf::region
188	)) {	312	)) {
189	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	314	}
192		315
193	$Event::DIED = sub {	316	$EV::DIED = sub {
194	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
195	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
		324
		325	#############################################################################
196		326
197	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
198		328
199	=over 4	329	=over 4
200		330
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	349	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	350	$d
221	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
222	}	352	}
223		353
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	354	=item $scalar = load_file $path
225		355
		356	Loads the given file from path and returns its contents. Croaks on error
		357	and can block.
		358
		359	=cut
		360
		361	sub load_file($) {
		362	0 <= aio_load $_[0], my $data
		363	or Carp::croak "$_[0]: $!";
		364
		365	$data
		366	}
		367
226	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
227		369
228	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
229		371
230	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
231		373
232	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
233		375
		376	=cut
		377
		378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		379
		380	sub encode_json($) { $json_coder->encode ($_[0]) }
		381	sub decode_json($) { $json_coder->decode ($_[0]) }
		382
		383	=item $ref = cf::decode_storable $scalar
		384
		385	Same as Coro::Storable::thaw, so blocks.
		386
		387	=cut
		388
		389	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		390
		391	=item $ref = cf::decode_yaml $scalar
		392
		393	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		394
		395	=cut
		396
		397	sub decode_yaml($) {
		398	fork_call { YAML::XS::Load $_[0] } @_
		399	}
		400
		401	=item $scalar = cf::unlzf $scalar
		402
		403	Same as Compress::LZF::compress, but takes server ticks into account, so
		404	blocks.
		405
		406	=cut
		407
		408	sub unlzf($) {
		409	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		410	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		411	Compress::LZF::decompress $_[0]
		412	}
		413
		414	=item cf::post_init { BLOCK }
		415
		416	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		417	but I<before> the server starts ticking again.
		418
		419	The codeblock will have a single boolean argument to indicate whether this
		420	is a reload or not.
		421
		422	=cut
		423
		424	sub post_init(&) {
		425	push @POST_INIT, shift;
		426	}
		427
		428	sub _post_init {
		429	trace "running post_init jobs";
		430
		431	# run them in parallel...
		432
		433	my @join;
		434
		435	while () {
		436	push @join, map &Coro::async ($_, 0), @POST_INIT;
		437	@POST_INIT = ();
		438
		439	@join or last;
		440
		441	(pop @join)->join;
		442	}
		443	}
		444
234	=item cf::lock_wait $string	445	=item cf::lock_wait $string
235		446
236	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
237		448
238	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
239		450
240	Wait until the given lock is available and then acquires it and returns	451	Wait until the given lock is available and then acquires it and returns
241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	452	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
242	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
243	returned.	454	returned.
244		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
245	Lock names should begin with a unique identifier (for example, cf::map::find	459	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	460	uses map_find and cf::map::load uses map_load).
247		461
248	=item $locked = cf::lock_active $string	462	=item $locked = cf::lock_active $string
249		463
250	Return true if the lock is currently active, i.e. somebody has locked it.	464	Return true if the lock is currently active, i.e. somebody has locked it.
251		465
252	=cut	466	=cut
253		467
254	our %LOCK;	468	our $LOCKS = new Coro::SemaphoreSet;
255		469
256	sub lock_wait($) {	470	sub lock_wait($) {
257	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
258
259	# wait for lock, if any
260	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;
263	}
264	}	472	}
265		473
266	sub lock_acquire($) {	474	sub lock_acquire($) {
267	my ($key) = @_;	475	$LOCKS->guard ($_[0])
268
269	# wait, to be sure we are not locked
270	lock_wait $key;
271
272	$LOCK{$key} = [];
273
274	Coro::guard {
275	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };
277	}
278	}	476	}
279		477
280	sub lock_active($) {	478	sub lock_active($) {
281	my ($key) = @_;	479	$LOCKS->count ($_[0]) < 1
282
283	! ! $LOCK{$key}
284	}	480	}
285		481
286	sub freeze_mainloop {	482	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
288		484
289	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
290	$TICK_WATCHER->start;	486	}
		487
		488	=item cf::periodic $interval, $cb
		489
		490	Like EV::periodic, but randomly selects a starting point so that the actions
		491	get spread over time.
		492
		493	=cut
		494
		495	sub periodic($$) {
		496	my ($interval, $cb) = @_;
		497
		498	my $start = rand List::Util::min 180, $interval;
		499
		500	EV::periodic $start, $interval, 0, $cb
		501	}
		502
		503	=item cf::get_slot $time[, $priority[, $name]]
		504
		505	Allocate $time seconds of blocking CPU time at priority C<$priority>
		506	(default: 0): This call blocks and returns only when you have at least
		507	C<$time> seconds of cpu time till the next tick. The slot is only valid
		508	till the next cede.
		509
		510	Background jobs should use a priority les than zero, interactive jobs
		511	should use 100 or more.
		512
		513	The optional C<$name> can be used to identify the job to run. It might be
		514	used for statistical purposes and should identify the same time-class.
		515
		516	Useful for short background jobs.
		517
		518	=cut
		519
		520	our @SLOT_QUEUE;
		521	our $SLOT_QUEUE;
		522	our $SLOT_DECAY = 0.9;
		523
		524	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		525	$SLOT_QUEUE = Coro::async {
		526	$Coro::current->desc ("timeslot manager");
		527
		528	my $signal = new Coro::Signal;
		529	my $busy;
		530
		531	while () {
		532	next_job:
		533
		534	my $avail = cf::till_tick;
		535
		536	for (0 .. $#SLOT_QUEUE) {
		537	if ($SLOT_QUEUE[$_][0] <= $avail) {
		538	$busy = 0;
		539	my $job = splice @SLOT_QUEUE, $_, 1, ();
		540	$job->[2]->send;
		541	Coro::cede;
		542	goto next_job;
		543	} else {
		544	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		545	}
		546	}
		547
		548	if (@SLOT_QUEUE) {
		549	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		550	push @cf::WAIT_FOR_TICK, $signal;
		551	$signal->wait;
		552	} else {
		553	$busy = 0;
		554	Coro::schedule;
		555	}
291	};	556	}
292	$TICK_WATCHER->stop;	557	};
293	$guard	558
		559	sub get_slot($;$$) {
		560	return if tick_inhibit || $Coro::current == $Coro::main;
		561
		562	my ($time, $pri, $name) = @_;
		563
		564	$time = clamp $time, 0.01, $TICK * .6;
		565
		566	my $sig = new Coro::Signal;
		567
		568	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		569	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		570	$SLOT_QUEUE->ready;
		571	$sig->wait;
294	}	572	}
295		573
296	=item cf::async { BLOCK }	574	=item cf::async { BLOCK }
297		575
298	Currently the same as Coro::async_pool, meaning you cannot use	576	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		581
304	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
305		583
306	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
307		585
308	The design of crossfire+ requires that the main coro ($Coro::main) is	586	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	587	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	588	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		589	acceptable.
311		590
312	If it must be done, put the blocking parts into C<sync_job>. This will run	591	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	592	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	593	server will be frozen during this time, so the block should either finish
315	fast or be very important.	594	fast or be very important.
…		…
317	=cut	596	=cut
318		597
319	sub sync_job(&) {	598	sub sync_job(&) {
320	my ($job) = @_;	599	my ($job) = @_;
321		600
322	if ($Coro::current == $Coro::main) {	601	if (in_main) {
		602	my $time = AE::time;
		603
323	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
325		606
326	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	608
328	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
329		610
330	my $busy = 1;	611	my $busy = 1;
331	my @res;	612	my @res;
332		613
333	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	616	@res = eval { $job->() };
335	warn $@ if $@;	617	error $@ if $@;
336	undef $busy;	618	undef $busy;
337	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
338		620
339	while ($busy) {	621	while ($busy) {
340	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
341	}	626	}
		627	}
		628
		629	my $time = AE::time - $time;
		630
		631	$TICK_START += $time; # do not account sync jobs to server load
342		632
343	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
344	} else {	634	} else {
345	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
346		636
…		…
366	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
367		657
368	$coro	658	$coro
369	}	659	}
370		660
371	sub write_runtime {	661	=item fork_call { }, @args
372	my $guard = cf::lock_acquire "write_runtime";
373		662
374	my $runtime = "$LOCALDIR/runtime";	663	Executes the given code block with the given arguments in a seperate
		664	process, returning the results. Everything must be serialisable with
		665	Coro::Storable. May, of course, block. Note that the executed sub may
		666	never block itself or use any form of event handling.
375		667
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	668	=cut
377	or return;
378		669
379	my $value = $cf::RUNTIME + 90 + 10;	670	sub post_fork {
380	# 10 is the runtime save interval, for a monotonic clock	671	reset_signals;
381	# 60 allows for the watchdog to kill the server.	672	}
382		673
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	674	sub fork_call(&@) {
384	and return;	675	my ($cb, @args) = @_;
385		676
386	# always fsync - this file is important	677	# we seemingly have to make a local copy of the whole thing,
387	aio_fsync $fh	678	# otherwise perl prematurely frees the stuff :/
388	and return;	679	# TODO: investigate and fix (likely this will be rather laborious)
389		680
390	close $fh	681	my @res = Coro::Util::fork_eval {
391	or return;	682	cf::post_fork;
		683	&$cb
		684	} @args;
392		685
393	aio_rename "$runtime~", $runtime	686	wantarray ? @res : $res[-1]
394	and return;	687	}
395		688
		689	sub objinfo {
396	1	690	(
		691	"counter value" => cf::object::object_count,
		692	"objects created" => cf::object::create_count,
		693	"objects destroyed" => cf::object::destroy_count,
		694	"freelist size" => cf::object::free_count,
		695	"allocated objects" => cf::object::objects_size,
		696	"active objects" => cf::object::actives_size,
		697	)
		698	}
		699
		700	=item $coin = coin_from_name $name
		701
		702	=cut
		703
		704	our %coin_alias = (
		705	"silver" => "silvercoin",
		706	"silvercoin" => "silvercoin",
		707	"silvercoins" => "silvercoin",
		708	"gold" => "goldcoin",
		709	"goldcoin" => "goldcoin",
		710	"goldcoins" => "goldcoin",
		711	"platinum" => "platinacoin",
		712	"platinumcoin" => "platinacoin",
		713	"platinumcoins" => "platinacoin",
		714	"platina" => "platinacoin",
		715	"platinacoin" => "platinacoin",
		716	"platinacoins" => "platinacoin",
		717	"royalty" => "royalty",
		718	"royalties" => "royalty",
		719	);
		720
		721	sub coin_from_name($) {
		722	$coin_alias{$_[0]}
		723	? cf::arch::find $coin_alias{$_[0]}
		724	: undef
		725	}
		726
		727	=item $value = cf::db_get $family => $key
		728
		729	Returns a single value from the environment database.
		730
		731	=item cf::db_put $family => $key => $value
		732
		733	Stores the given C<$value> in the family. It can currently store binary
		734	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		735
		736	=item $db = cf::db_table "name"
		737
		738	Create and/or open a new database table. The string must not be "db" and must be unique
		739	within each server.
		740
		741	=cut
		742
		743	sub db_table($) {
		744	cf::error "db_get called from main context"
		745	if $Coro::current == $Coro::main;
		746
		747	my ($name) = @_;
		748	my $db = BDB::db_create $DB_ENV;
		749
		750	eval {
		751	$db->set_flags (BDB::CHKSUM);
		752
		753	utf8::encode $name;
		754	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		755	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		756	cf::cleanup "db_open(db): $!" if $!;
		757	};
		758	cf::cleanup "db_open(db): $@" if $@;
		759
		760	$db
		761	}
		762
		763	our $DB;
		764
		765	sub db_init {
		766	$DB ||= db_table "db";
		767	}
		768
		769	sub db_get($$) {
		770	my $key = "$_[0]/$_[1]";
		771
		772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
		775	BDB::db_get $DB, undef, $key, my $data;
		776
		777	$! ? ()
		778	: $data
		779	}
		780
		781	sub db_put($$$) {
		782	BDB::dbreq_pri 4;
		783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		784	}
		785
		786	=item cf::cache $id => [$paths...], $processversion => $process
		787
		788	Generic caching function that returns the value of the resource $id,
		789	caching and regenerating as required.
		790
		791	This function can block.
		792
		793	=cut
		794
		795	sub cache {
		796	my ($id, $src, $processversion, $process) = @_;
		797
		798	my $meta =
		799	join "\x00",
		800	$processversion,
		801	map {
		802	aio_stat $_
		803	and Carp::croak "$_: $!";
		804
		805	($_, (stat _)[7,9])
		806	} @$src;
		807
		808	my $dbmeta = db_get cache => "$id/meta";
		809	if ($dbmeta ne $meta) {
		810	# changed, we may need to process
		811
		812	my @data;
		813	my $md5;
		814
		815	for (0 .. $#$src) {
		816	$data[$_] = load_file $src->[$_];
		817	}
		818
		819	# if processing is expensive, check
		820	# checksum first
		821	if (1) {
		822	$md5 =
		823	join "\x00",
		824	$processversion,
		825	map {
		826	cf::cede_to_tick;
		827	($src->[$_], Digest::MD5::md5_hex $data[$_])
		828	} 0.. $#$src;
		829
		830
		831	my $dbmd5 = db_get cache => "$id/md5";
		832	if ($dbmd5 eq $md5) {
		833	db_put cache => "$id/meta", $meta;
		834
		835	return db_get cache => "$id/data";
		836	}
		837	}
		838
		839	my $t1 = Time::HiRes::time;
		840	my $data = $process->(\@data);
		841	my $t2 = Time::HiRes::time;
		842
		843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		844
		845	db_put cache => "$id/data", $data;
		846	db_put cache => "$id/md5" , $md5;
		847	db_put cache => "$id/meta", $meta;
		848
		849	return $data;
		850	}
		851
		852	db_get cache => "$id/data"
397	}	853	}
398		854
399	=item cf::datalog type => key => value, ...	855	=item cf::datalog type => key => value, ...
400		856
401	Log a datalog packet of the given type with the given key-value pairs.	857	Log a datalog packet of the given type with the given key-value pairs.
402		858
403	=cut	859	=cut
404		860
405	sub datalog($@) {	861	sub datalog($@) {
406	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
407	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
408	}	864	}
409		865
410	=back	866	=back
411		867
412	=cut	868	=cut
413		869
414	#############################################################################	870	#############################################################################
415		871
416	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
417		873
418	Many objects in crossfire are so-called attachable objects. That means you can	874	Many objects in deliantra are so-called attachable objects. That means you can
419	attach callbacks/event handlers (a collection of which is called an "attachment")	875	attach callbacks/event handlers (a collection of which is called an "attachment")
420	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
421		877
422	In the following description, CLASS can be any of C<global>, C<object>	878	In the following description, CLASS can be any of C<global>, C<object>
423	C<player>, C<client> or C<map> (i.e. the attachable objects in	879	C<player>, C<client> or C<map> (i.e. the attachable objects in
424	crossfire+).	880	Deliantra).
425		881
426	=over 4	882	=over 4
427		883
428	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
429		885
…		…
473	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
474		930
475	Register an attachment by C<$name> through which attachable objects of the	931	Register an attachment by C<$name> through which attachable objects of the
476	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
477		933
478	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
479	that are attached at load/instantiate time, thus the need for a name.	935	that are attached at load/instantiate time, thus the need for a name.
480		936
481	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
482		938
483	=over 4	939	=over 4
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	1048	$registry = $CB_TYPE[$object_type] ||= [];
593		1049
594	} elsif ($type eq "subtype") {	1050	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	1051	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	1052	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1053	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		1054
599	} elsif ($type eq "package") {	1055	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	1056	my $pkg = shift @arg;
601		1057
602	while (my ($name, $id) = each %cb_id) {	1058	while (my ($name, $id) = each %cb_id) {
…		…
607		1063
608	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
609	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
610		1066
611	} elsif (ref $type) {	1067	} elsif (ref $type) {
612	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
613		1069
614	} else {	1070	} else {
615	shift @arg;	1071	shift @arg;
616	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
617	}	1073	}
618	}	1074	}
619	}	1075	}
620		1076
621	sub _object_attach {	1077	sub _object_attach {
…		…
631	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
632	}	1088	}
633		1089
634	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
635	} else {	1091	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
637	}	1093	}
638		1094
639	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
640	}	1096	}
641		1097
…		…
643	if (ref $_[0]) {	1099	if (ref $_[0]) {
644	_object_attach @_;	1100	_object_attach @_;
645	} else {	1101	} else {
646	_attach shift->_attach_registry, @_;	1102	_attach shift->_attach_registry, @_;
647	}	1103	}
		1104	_recalc_want;
648	};	1105	};
649		1106
650	# all those should be optimised	1107	# all those should be optimised
651	sub cf::attachable::detach {	1108	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	1109	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	1112	delete $obj->{_attachment}{$name};
656	reattach ($obj);	1113	reattach ($obj);
657	} else {	1114	} else {
658	Carp::croak "cannot, currently, detach class attachments";	1115	Carp::croak "cannot, currently, detach class attachments";
659	}	1116	}
		1117	_recalc_want;
660	};	1118	};
661		1119
662	sub cf::attachable::attached {	1120	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	1121	my ($obj, $name) = @_;
664		1122
…		…
679	";	1137	";
680	die if $@;	1138	die if $@;
681	}	1139	}
682		1140
683	our $override;	1141	our $override;
684	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1142	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685		1143
686	sub override {	1144	sub override {
687	$override = 1;	1145	$override = 1;
688	@invoke_results = ();	1146	@INVOKE_RESULTS = (@_);
689	}	1147	}
690		1148
691	sub do_invoke {	1149	sub do_invoke {
692	my $event = shift;	1150	my $event = shift;
693	my $callbacks = shift;	1151	my $callbacks = shift;
694		1152
695	@invoke_results = ();	1153	@INVOKE_RESULTS = ();
696		1154
697	local $override;	1155	local $override;
698		1156
699	for (@$callbacks) {	1157	for (@$callbacks) {
700	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
701		1159
702	if ($@) {	1160	if ($@) {
703	warn "$@";
704	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
705	override;	1162	override;
706	}	1163	}
707		1164
708	return 1 if $override;	1165	return 1 if $override;
709	}	1166	}
710		1167
711	0	1168	0
712	}	1169	}
713		1170
714	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715		1172
716	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717		1174
718	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
719		1176
720	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1177	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
721	removed in future versions), and there is no public API to access override	1178	removed in future versions), and there is no public API to access override
722	results (if you must, access C<@cf::invoke_results> directly).	1179	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		1180
724	=back	1181	=back
725		1182
726	=cut	1183	=cut
727		1184
728	#############################################################################	1185	#############################################################################
729	# object support	1186	# object support
		1187
		1188	sub _object_equal($$);
		1189	sub _object_equal($$) {
		1190	my ($a, $b) = @_;
		1191
		1192	return 0 unless (ref $a) eq (ref $b);
		1193
		1194	if ("HASH" eq ref $a) {
		1195	my @ka = keys %$a;
		1196	my @kb = keys %$b;
		1197
		1198	return 0 if @ka != @kb;
		1199
		1200	for (0 .. $#ka) {
		1201	return 0 unless $ka[$_] eq $kb[$_];
		1202	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1203	}
		1204
		1205	} elsif ("ARRAY" eq ref $a) {
		1206
		1207	return 0 if @$a != @$b;
		1208
		1209	for (0 .. $#$a) {
		1210	return 0 unless _object_equal $a->[$_], $b->[$_];
		1211	}
		1212
		1213	} elsif ($a ne $b) {
		1214	return 0;
		1215	}
		1216
		1217	1
		1218	}
		1219
		1220	our $SLOW_MERGES;#d#
		1221	sub _can_merge {
		1222	my ($ob1, $ob2) = @_;
		1223
		1224	++$SLOW_MERGES;#d#
		1225
		1226	# we do the slow way here
		1227	return _object_equal $ob1, $ob2
		1228	}
730		1229
731	sub reattach {	1230	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	1232	my ($obj) = @_;
734		1233
		1234	# no longer needed after getting rid of delete_package?
735	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1235	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
736		1236
737	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
738		1238
739	@$registry = ();	1239	@$registry = ();
740		1240
…		…
745	for (@$attach) {	1245	for (@$attach) {
746	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
747	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
748	}	1248	}
749	} else {	1249	} else {
750	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
751	}	1251	}
752	}	1252	}
753	}	1253	}
754		1254
755	cf::attachable->attach (	1255	cf::attachable->attach (
756	prio => -1000000,	1256	prio => -1000000,
757	on_instantiate => sub {	1257	on_instantiate => sub {
758	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
759		1259
760	$data = from_json $data;	1260	$data = decode_json $data;
761		1261
762	for (@$data) {	1262	for (@$data) {
763	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
764		1264
765	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
781	sub object_freezer_save {	1281	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
783		1283
784	sync_job {	1284	sync_job {
785	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
788		1290
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	aio_fsync $fh if $cf::USE_FSYNC;	1294	if ($cf::USE_FSYNC) {
		1295	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;
		1296	aio_fsync $fh;
		1297	}
793	close $fh;	1298	aio_close $fh;
794		1299
795	if (@$objs) {	1300	if (@$objs) {
796	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1301	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
797	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
798	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
800	aio_fsync $fh if $cf::USE_FSYNC;	1305	if ($cf::USE_FSYNC) {
		1306	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;
		1307	aio_fsync $fh;
		1308	}
801	close $fh;	1309	aio_close $fh;
802	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
803	}	1311	}
804	} else {	1312	} else {
805	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
806	}	1314	}
807		1315
808	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
809	} else {	1320	} else {
810	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
811	}	1322	}
812	} else {	1323	} else {
813	aio_unlink $filename;	1324	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
815	}	1326	}
816	}	1327	};
817	}	1328	}
818		1329
819	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
821		1332
…		…
833	or return;	1344	or return;
834		1345
835	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
837	or return;	1348	or return;
		1349
838	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
839	}	1352	}
840		1353
		1354	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
843	return ($data, $av);	1359	($data, $av)
844	}	1360	}
		1361
		1362	=head2 COMMAND CALLBACKS
		1363
		1364	=over 4
		1365
		1366	=cut
845		1367
846	#############################################################################	1368	#############################################################################
847	# command handling &c	1369	# command handling &c
848		1370
849	=item cf::register_command $name => \&callback($ob,$args);	1371	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1384	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1385	}
864		1386
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1387	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1388
867	Register a callbackf ro execution when the client sends an extcmd packet.	1389	Register a callback for execution when the client sends an (synchronous)
		1390	extcmd packet. Ext commands will be processed in the order they are
		1391	received by the server, like other user commands. The first argument is
		1392	the logged-in player. Ext commands can only be processed after a player
		1393	has logged in successfully.
868		1394
869	If the callback returns something, it is sent back as if reply was being	1395	If the callback returns something, it is sent back as if reply was being
870	called.	1396	called.
871		1397
		1398	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1399
		1400	Register a callback for execution when the client sends an (asynchronous)
		1401	exticmd packet. Exti commands are processed by the server as soon as they
		1402	are received, i.e. out of order w.r.t. other commands. The first argument
		1403	is a client socket. Exti commands can be received anytime, even before
		1404	log-in.
		1405
		1406	If the callback returns something, it is sent back as if reply was being
		1407	called.
		1408
872	=cut	1409	=cut
873		1410
874	sub register_extcmd {	1411	sub register_extcmd {
875	my ($name, $cb) = @_;	1412	my ($name, $cb) = @_;
876		1413
877	$EXTCMD{$name} = $cb;	1414	$EXTCMD{$name} = $cb;
878	}	1415	}
879		1416
		1417	sub register_exticmd {
		1418	my ($name, $cb) = @_;
		1419
		1420	$EXTICMD{$name} = $cb;
		1421	}
		1422
		1423	use File::Glob ();
		1424
880	cf::player->attach (	1425	cf::player->attach (
881	on_command => sub {	1426	on_unknown_command => sub {
882	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
883		1428
884	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
885	or return;	1430	or return;
886		1431
…		…
891	cf::override;	1436	cf::override;
892	},	1437	},
893	on_extcmd => sub {	1438	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1439	my ($pl, $buf) = @_;
895		1440
896	my $msg = eval { from_json $buf };	1441	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1442
898	if (ref $msg) {	1443	if (ref $msg) {
		1444	my ($type, $reply, @payload) =
		1445	"ARRAY" eq ref $msg
		1446	? @$msg
		1447	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1448
		1449	my @reply;
		1450
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1451	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1452	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
904	} else {	1458	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1460	}
907		1461
908	cf::override;	1462	cf::override;
909	},	1463	},
910	);	1464	);
911		1465
		1466	# "readahead" all extensions
912	sub load_extension {	1467	sub cache_extensions {
913	my ($path) = @_;	1468	my $grp = IO::AIO::aio_group;
914		1469
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
916	my $base = $1;	1471	for (grep /\.ext$/, @{$_[0]}) {
917	my $pkg = $1;	1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
918	$pkg =~ s/[^[:word:]]/_/g;
919	$pkg = "ext::$pkg";
920
921	warn "... loading '$path' into '$pkg'\n";
922
923	open my $fh, "<:utf8", $path
924	or die "$path: $!";
925
926	my $source =
927	"package $pkg; use strict; use utf8;\n"
928	. "#line 1 \"$path\"\n{\n"
929	. (do { local $/; <$fh> })
930	. "\n};\n1";
931
932	unless (eval $source) {
933	my $msg = $@ ? "$path: $@\n"
934	: "extension disabled.\n";
935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936	warn $@;
937	warn "mandatory extension failed to load, exiting.\n";
938	exit 1;
939	}	1473	}
940	die $@;
941	}	1474	};
942		1475
943	push @EXTS, $pkg;	1476	$grp
944	}	1477	}
945		1478
946	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
		1482	cf::sync_job {
		1483	my %todo;
		1484
947	for my $ext (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1486	next unless -r $path;
949	eval {	1487
950	load_extension $ext;	1488	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1489	my $base = $1;
		1490	my $pkg = $1;
		1491	$pkg =~ s/[^[:word:]]/_/g;
		1492	$pkg = "ext::$pkg";
		1493
		1494	open my $fh, "<:utf8", $path
		1495	or die "$path: $!";
		1496
		1497	my $source = do { local $/; <$fh> };
		1498
		1499	my %ext = (
		1500	path => $path,
		1501	base => $base,
		1502	pkg => $pkg,
		1503	);
		1504
		1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1507
		1508	$ext{source} =
		1509	"package $pkg; use common::sense;\n"
		1510	. "#line 1 \"$path\"\n{\n"
		1511	. $source
		1512	. "\n};\n1";
		1513
		1514	$todo{$base} = \%ext;
		1515	}
		1516
		1517	my $pass = 0;
		1518	my %done;
		1519	while (%todo) {
		1520	my $progress;
		1521
		1522	++$pass;
		1523
		1524	ext:
		1525	while (my ($k, $v) = each %todo) {
		1526	for (split /,\s*/, $v->{meta}{depends}) {
		1527	next ext
		1528	unless exists $done{$_};
		1529	}
		1530
		1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1532
		1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
		1536	error "$v->{path}: $@\n";
		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1539	if exists $v->{meta}{mandatory};
		1540
		1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1542	delete $todo{$k};
		1543	} else {
		1544	$done{$k} = delete $todo{$k};
		1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
		1550	}
951	1	1551	}
952	} or warn "$ext not loaded: $@";	1552
		1553	unless ($progress) {
		1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1555
		1556	while (my ($k, $v) = each %todo) {
		1557	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559	}
		1560
		1561	last;
		1562	}
		1563	}
953	}	1564	};
954	}	1565	}
955		1566
956	#############################################################################	1567	#############################################################################
957		1568
		1569	=back
		1570
958	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
959		1572
960	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
961		1574
962	=cut	1575	=cut
963		1576
964	package cf::player;	1577	package cf::player;
965		1578
966	use Coro::AIO;	1579	use Coro::AIO;
967		1580
968	=head3 cf::player	1581	=head3 cf::player
969		1582
970	=over 4	1583	=over 4
		1584
		1585	=item cf::player::num_playing
		1586
		1587	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1588
		1589	=cut
		1590
		1591	sub num_playing {
		1592	scalar grep
		1593	$_->ob->map
		1594	&& !$_->hidden
		1595	&& !$_->ob->flag (cf::FLAG_WIZ),
		1596	cf::player::list
		1597	}
971		1598
972	=item cf::player::find $login	1599	=item cf::player::find $login
973		1600
974	Returns the given player object, loading it if necessary (might block).	1601	Returns the given player object, loading it if necessary (might block).
975		1602
…		…
994		1621
995	sub exists($) {	1622	sub exists($) {
996	my ($login) = @_;	1623	my ($login) = @_;
997		1624
998	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
999	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
1000	}	1627	}
1001		1628
1002	sub find($) {	1629	sub find($) {
1003	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
1004	my $login = $_[0];	1631	my $login = $_[0];
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1638	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1639	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1640	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1641	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1642
1016	my $pl = load_pl path $login	1643	my $f = new_from_file cf::object::thawer path $login
1017	or return;	1644	or return;
		1645
		1646	my $pl = cf::player::load_pl $f
		1647	or return;
		1648
		1649	local $cf::PLAYER_LOADING{$login} = $pl;
		1650	$f->resolve_delayed_derefs;
1018	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1019	}	1652	}
1020	}	1653	}
1021	}	1654	}
		1655
		1656	cf::player->attach (
		1657	on_load => sub {
		1658	my ($pl, $path) = @_;
		1659
		1660	# restore slots saved in save, below
		1661	my $slots = delete $pl->{_slots};
		1662
		1663	$pl->ob->current_weapon ($slots->[0]);
		1664	$pl->combat_ob ($slots->[1]);
		1665	$pl->ranged_ob ($slots->[2]);
		1666	},
		1667	);
1022		1668
1023	sub save($) {	1669	sub save($) {
1024	my ($pl) = @_;	1670	my ($pl) = @_;
1025		1671
1026	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
…		…
1031	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1032		1678
1033	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
1035		1681
		1682	cf::get_slot 0.01;
		1683
		1684	# save slots, to be restored later
		1685	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1686
1036	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1037	Coro::cede;	1688	cf::cede_to_tick;
1038	}	1689	}
1039		1690
1040	sub new($) {	1691	sub new($) {
1041	my ($login) = @_;	1692	my ($login) = @_;
1042		1693
…		…
1048	$cf::PLAYER{$login} = $self;	1699	$cf::PLAYER{$login} = $self;
1049		1700
1050	$self	1701	$self
1051	}	1702	}
1052		1703
		1704	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1705
		1706	=cut
		1707
		1708	sub send_msg {
		1709	my $ns = shift->ns
		1710	or return;
		1711	$ns->send_msg (@_);
		1712	}
		1713
1053	=item $pl->quit_character	1714	=item $pl->quit_character
1054		1715
1055	Nukes the player without looking back. If logged in, the connection will	1716	Nukes the player without looking back. If logged in, the connection will
1056	be destroyed. May block for a long time.	1717	be destroyed. May block for a long time.
1057		1718
…		…
1061	my ($pl) = @_;	1722	my ($pl) = @_;
1062		1723
1063	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1064		1725
1065	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1066	$pl->password ("*"); # this should lock out the player until we nuked the dir	1727	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1067		1728
1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1069	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1070	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1071	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1072		1737
1073	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1074	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1075	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1110	or return [];	1775	or return [];
1111		1776
1112	my @logins;	1777	my @logins;
1113		1778
1114	for my $login (@$dirs) {	1779	for my $login (@$dirs) {
		1780	my $path = path $login;
		1781
		1782	# a .pst is a dead give-away for a valid player
		1783	# if no pst file found, open and chekc for blocked users
		1784	if (aio_stat "$path.pst") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1118		1789
1119	utf8::decode $login;	1790	utf8::decode $login;
1120	push @logins, $login;	1791	push @logins, $login;
1121	}	1792	}
1122		1793
1123	\@logins	1794	\@logins
1124	}	1795	}
1125		1796
1126	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1127		1800
1128	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1129	player. May block.	1802	player. May block.
1130		1803
1131	=cut	1804	=cut
…		…
1149	}	1822	}
1150		1823
1151	\@paths	1824	\@paths
1152	}	1825	}
1153		1826
		1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1828
		1829	Expand deliantra pod fragments into protocol xml.
		1830
1154	=item $player->ext_reply ($msgid, %msg)	1831	=item $player->ext_reply ($msgid, @msg)
1155		1832
1156	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1157		1834
1158	=cut	1835	=cut
1159		1836
1160	sub ext_reply($$%) {	1837	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1838	my ($self, $id, @msg) = @_;
1162		1839
1163	$msg{msgid} = $id;	1840	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1841	}
1167		1842
1168	=item $player->ext_event ($type, %msg)	1843	=item $player->ext_msg ($type, @msg)
1169		1844
1170	Sends an ext event to the client.	1845	Sends an ext event to the client.
1171		1846
1172	=cut	1847	=cut
1173		1848
1174	sub ext_event($$%) {	1849	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1850	my ($self, $type, @msg) = @_;
1176		1851
1177	$self->ns->ext_event ($type, %msg);	1852	$self->ns->ext_msg ($type, @msg);
1178	}	1853	}
1179		1854
1180	=head3 cf::region	1855	=head3 cf::region
1181		1856
1182	=over 4	1857	=over 4
…		…
1185		1860
1186	package cf::region;	1861	package cf::region;
1187		1862
1188	=item cf::region::find_by_path $path	1863	=item cf::region::find_by_path $path
1189		1864
1190	Tries to decuce the probable region for a map knowing only its path.	1865	Tries to decuce the likely region for a map knowing only its path.
1191		1866
1192	=cut	1867	=cut
1193		1868
1194	sub find_by_path($) {	1869	sub find_by_path($) {
1195	my ($path) = @_;	1870	my ($path) = @_;
1196		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
		1873
1197	my ($match, $specificity);	1874	my ($match, $specificity);
1198		1875
1199	for my $region (list) {	1876	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1877	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1878	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1879	if $region->specificity > $specificity;
1203	}	1880	}
1204	}	1881	}
1205		1882
…		…
1226	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1227	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1228		1905
1229	sub generate_random_map {	1906	sub generate_random_map {
1230	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1231	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1232	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1236	$rmp->{exit_on_final_map},
1237	$rmp->{xsize}, $rmp->{ysize},
1238	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1239	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1240	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1241	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1242	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1243	(cf::region::find $rmp->{region}), $rmp->{custom}
1244	)
1245	}	1912	}
1246		1913
1247	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1248		1915
1249	Register a handler for the map path matching the given regex at the	1916	Register a handler for the map path matching the given regex at the
…		…
1254		1921
1255	sub register {	1922	sub register {
1256	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1257	my $pkg = caller;	1924	my $pkg = caller;
1258		1925
1259	no strict;
1260	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1261		1927
1262	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1263	}	1929	}
1264		1930
1265	# also paths starting with '/'	1931	# also paths starting with '/'
1266	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1267		1933
1268	sub thawer_merge {	1934	sub thawer_merge {
1269	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1270		1936
1271	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
1272	local $self->{path};	1938	local $self->{path};
1273	local $self->{load_path};	1939	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1940
1277	$self->SUPER::thawer_merge ($merge);	1941	$self->SUPER::thawer_merge ($merge);
1278	}	1942	}
1279		1943
1280	sub normalise {	1944	sub normalise {
1281	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1282		1946
1283	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1284		1948
1285	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1286		1950
1287	# map plan:	1951	# map plan:
1288	#	1952	#
…		…
1303	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1304	$path = "$base/$path";	1968	$path = "$base/$path";
1305	}	1969	}
1306		1970
1307	for ($path) {	1971	for ($path) {
1308	redo if s{//}{/};
1309	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1310	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1311	}	1974	}
1312		1975
1313	$path	1976	$path
…		…
1327	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1328	return $self;	1991	return $self;
1329	}	1992	}
1330	}	1993	}
1331		1994
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1333	()	1996	()
1334	}	1997	}
1335		1998
		1999	# may re-bless or do other evil things
1336	sub init {	2000	sub init {
1337	my ($self) = @_;	2001	my ($self) = @_;
1338		2002
1339	$self	2003	$self
1340	}	2004	}
…		…
1352		2016
1353	# the original (read-only) location	2017	# the original (read-only) location
1354	sub load_path {	2018	sub load_path {
1355	my ($self) = @_;	2019	my ($self) = @_;
1356		2020
1357	"$MAPDIR($self->{path}"	2021	"$MAPDIR/$self->{path}.map"
1358	}	2022	}
1359		2023
1360	# the temporary/swap location	2024	# the temporary/swap location
1361	sub save_path {	2025	sub save_path {
1362	my ($self) = @_;	2026	my ($self) = @_;
1363		2027
1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2028	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365	"$TMPDIR/$path"	2029	"$TMPDIR/$path.map"
1366	}	2030	}
1367		2031
1368	# the unique path, undef == no special unique path	2032	# the unique path, undef == no special unique path
1369	sub uniq_path {	2033	sub uniq_path {
1370	my ($self) = @_;	2034	my ($self) = @_;
1371		2035
1372	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373	"$UNIQUEDIR/$path"	2037	"$UNIQUEDIR/$path"
1374	}	2038	}
1375		2039
1376	# and all this just because we cannot iterate over	2040	sub decay_objects {
1377	# all maps in C++...
1378	sub change_all_map_light {
1379	my ($change) = @_;	2041	my ($self) = @_;
1380		2042
1381	$_->change_map_light ($change)	2043	return if $self->{deny_reset};
1382	for grep $_->outdoor, values %cf::MAP;	2044
		2045	$self->do_decay_objects;
1383	}	2046	}
1384		2047
1385	sub unlink_save {	2048	sub unlink_save {
1386	my ($self) = @_;	2049	my ($self) = @_;
1387		2050
…		…
1392		2055
1393	sub load_header_from($) {	2056	sub load_header_from($) {
1394	my ($self, $path) = @_;	2057	my ($self, $path) = @_;
1395		2058
1396	utf8::encode $path;	2059	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	2060	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	2061	or return;
1402		2062
		2063	$self->_load_header ($f)
		2064	or return;
		2065
		2066	local $MAP_LOADING{$self->{path}} = $self;
		2067	$f->resolve_delayed_derefs;
		2068
1403	$self->{load_path} = $path;	2069	$self->{load_path} = $path;
1404		2070
1405	1	2071	1
1406	}	2072	}
1407		2073
		2074	# used to laod the header of an original map
1408	sub load_header_orig {	2075	sub load_header_orig {
1409	my ($self) = @_;	2076	my ($self) = @_;
1410		2077
1411	$self->load_header_from ($self->load_path)	2078	$self->load_header_from ($self->load_path)
1412	}	2079	}
1413		2080
		2081	# used to laod the header of an instantiated map
1414	sub load_header_temp {	2082	sub load_header_temp {
1415	my ($self) = @_;	2083	my ($self) = @_;
1416		2084
1417	$self->load_header_from ($self->save_path)	2085	$self->load_header_from ($self->save_path)
1418	}	2086	}
1419		2087
		2088	# called after loading the header from an instantiated map
1420	sub prepare_temp {	2089	sub prepare_temp {
1421	my ($self) = @_;	2090	my ($self) = @_;
1422		2091
1423	$self->last_access ((delete $self->{last_access})	2092	$self->last_access ((delete $self->{last_access})
1424	|| $cf::RUNTIME); #d#	2093	|| $cf::RUNTIME); #d#
1425	# safety	2094	# safety
1426	$self->{instantiate_time} = $cf::RUNTIME	2095	$self->{instantiate_time} = $cf::RUNTIME
1427	if $self->{instantiate_time} > $cf::RUNTIME;	2096	if $self->{instantiate_time} > $cf::RUNTIME;
1428	}	2097	}
1429		2098
		2099	# called after loading the header from an original map
1430	sub prepare_orig {	2100	sub prepare_orig {
1431	my ($self) = @_;	2101	my ($self) = @_;
1432		2102
1433	$self->{load_original} = 1;	2103	$self->{load_original} = 1;
1434	$self->{instantiate_time} = $cf::RUNTIME;	2104	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1445	$self->load_header_orig	2115	$self->load_header_orig
1446	or return;	2116	or return;
1447	$self->prepare_orig;	2117	$self->prepare_orig;
1448	}	2118	}
1449		2119
		2120	$self->{deny_reset} = 1
		2121	if $self->no_reset;
		2122
1450	$self->default_region (cf::region::find_by_path $self->{path})	2123	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	2124	unless $self->default_region;
1452		2125
1453	1	2126	1
1454	}	2127	}
1455		2128
1456	sub find;	2129	sub find;
1457	sub find {	2130	sub find {
1458	my ($path, $origin) = @_;	2131	my ($path, $origin) = @_;
1459		2132
		2133	cf::cede_to_tick;
		2134
1460	$path = normalise $path, $origin && $origin->path;	2135	$path = normalise $path, $origin;
1461		2136
		2137	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	2138	my $guard2 = cf::lock_acquire "map_find:$path";
1463		2139
1464	$cf::MAP{$path} || do {	2140	$cf::MAP{$path} || do {
1465	my $guard = cf::lock_acquire "map_find:$path";
1466	my $map = new_from_path cf::map $path	2141	my $map = new_from_path cf::map $path
1467	or return;	2142	or return;
1468		2143
1469	$map->{last_save} = $cf::RUNTIME;	2144	$map->{last_save} = $cf::RUNTIME;
1470		2145
1471	$map->load_header	2146	$map->load_header
1472	or return;	2147	or return;
1473		2148
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2149	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	2150	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	2151	#$cf::WAIT_FOR_TICK->wait;
		2152	undef $guard2;
		2153	undef $guard1;
1477	$map->reset;	2154	$map->reset;
1478	undef $guard;
1479	return find $path;	2155	return find $path;
1480	}	2156	}
1481		2157
1482	$cf::MAP{$path} = $map	2158	$cf::MAP{$path} = $map
1483	}	2159	}
1484	}	2160	}
1485		2161
1486	sub pre_load { }	2162	sub pre_load { }
1487	sub post_load { }	2163	#sub post_load { } # XS
1488		2164
1489	sub load {	2165	sub load {
1490	my ($self) = @_;	2166	my ($self) = @_;
1491		2167
1492	local $self->{deny_reset} = 1; # loading can take a long time	2168	local $self->{deny_reset} = 1; # loading can take a long time
1493		2169
1494	my $path = $self->{path};	2170	my $path = $self->{path};
		2171
		2172	{
1495	my $guard = cf::lock_acquire "map_load:$path";	2173	my $guard = cf::lock_acquire "map_data:$path";
1496		2174
		2175	return unless $self->valid;
1497	return if $self->in_memory != cf::MAP_SWAPPED;	2176	return unless $self->in_memory == cf::MAP_SWAPPED;
1498		2177
1499	$self->in_memory (cf::MAP_LOADING);
1500
1501	$self->alloc;	2178	$self->alloc;
1502		2179
1503	$self->pre_load;	2180	$self->pre_load;
1504	Coro::cede;	2181	cf::cede_to_tick;
1505		2182
1506	$self->_load_objects ($self->{load_path}, 1)	2183	if (exists $self->{load_path}) {
		2184	my $f = new_from_file cf::object::thawer $self->{load_path};
		2185	$f->skip_block;
		2186	$self->_load_objects ($f)
1507	or return;	2187	or return;
1508		2188
1509	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2189	$self->post_load_original
1510	if delete $self->{load_original};	2190	if delete $self->{load_original};
1511		2191
1512	if (my $uniq = $self->uniq_path) {	2192	if (my $uniq = $self->uniq_path) {
1513	utf8::encode $uniq;	2193	utf8::encode $uniq;
1514	if (aio_open $uniq, O_RDONLY, 0) {	2194	unless (aio_stat $uniq) {
		2195	if (my $f = new_from_file cf::object::thawer $uniq) {
1515	$self->clear_unique_items;	2196	$self->clear_unique_items;
1516	$self->_load_objects ($uniq, 0);	2197	$self->_load_objects ($f);
		2198	$f->resolve_delayed_derefs;
		2199	}
		2200	}
1517	}	2201	}
1518	}
1519		2202
1520	Coro::cede;	2203	$f->resolve_delayed_derefs;
		2204	} else {
		2205	$self->post_load_original
		2206	if delete $self->{load_original};
		2207	}
		2208
		2209	$self->in_memory (cf::MAP_INACTIVE);
		2210
		2211	cf::cede_to_tick;
1521	# now do the right thing for maps	2212	# now do the right thing for maps
1522	$self->link_multipart_objects;	2213	$self->link_multipart_objects;
1523	Coro::cede;
1524
1525	unless ($self->{deny_activate}) {
1526	$self->decay_objects;
1527	$self->fix_auto_apply;
1528	$self->update_buttons;
1529	Coro::cede;
1530	$self->set_darkness_map;
1531	$self->difficulty ($self->estimate_difficulty)	2214	$self->difficulty ($self->estimate_difficulty)
1532	unless $self->difficulty;	2215	unless $self->difficulty;
1533	Coro::cede;	2216	cf::cede_to_tick;
1534	$self->activate;	2217
1535	Coro::cede;	2218	unless ($self->{deny_activate}) {
		2219	$self->decay_objects;
		2220	$self->fix_auto_apply;
		2221	$self->update_buttons;
		2222	cf::cede_to_tick;
		2223	#$self->activate; # no longer activate maps automatically
		2224	}
		2225
		2226	$self->{last_save} = $cf::RUNTIME;
		2227	$self->last_access ($cf::RUNTIME);
1536	}	2228	}
1537		2229
1538	$self->post_load;	2230	$self->post_load;
1539	Coro::cede;
1540		2231
1541	$self->in_memory (cf::MAP_IN_MEMORY);	2232	1
1542	}	2233	}
1543		2234
		2235	# customize the map for a given player, i.e.
		2236	# return the _real_ map. used by e.g. per-player
		2237	# maps to change the path to ~playername/mappath
1544	sub customise_for {	2238	sub customise_for {
1545	my ($self, $ob) = @_;	2239	my ($self, $ob) = @_;
1546		2240
1547	return find "~" . $ob->name . "/" . $self->{path}	2241	return find "~" . $ob->name . "/" . $self->{path}
1548	if $self->per_player;	2242	if $self->per_player;
1549		2243
		2244	# return find "?party/" . $ob->name . "/" . $self->{path}
		2245	# if $self->per_party;
		2246
1550	$self	2247	$self
1551	}	2248	}
1552		2249
1553	# find and load all maps in the 3x3 area around a map	2250	# find and load all maps in the 3x3 area around a map
1554	sub load_diag {	2251	sub load_neighbours {
1555	my ($map) = @_;	2252	my ($map) = @_;
1556		2253
1557	my @diag; # diagonal neighbours	2254	my @neigh; # diagonal neighbours
1558		2255
1559	for (0 .. 3) {	2256	for (0 .. 3) {
1560	my $neigh = $map->tile_path ($_)	2257	my $neigh = $map->tile_path ($_)
1561	or next;	2258	or next;
1562	$neigh = find $neigh, $map	2259	$neigh = find $neigh, $map
1563	or next;	2260	or next;
1564	$neigh->load;	2261	$neigh->load;
1565		2262
		2263	# now find the diagonal neighbours
		2264	push @neigh,
1566	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2265	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1567	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2266	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1568	}	2267	}
1569		2268
1570	for (@diag) {	2269	for (grep defined $_->[0], @neigh) {
		2270	my ($path, $origin) = @$_;
1571	my $neigh = find @$_	2271	my $neigh = find $path, $origin
1572	or next;	2272	or next;
1573	$neigh->load;	2273	$neigh->load;
1574	}	2274	}
1575	}	2275	}
1576		2276
1577	sub find_sync {	2277	sub find_sync {
1578	my ($path, $origin) = @_;	2278	my ($path, $origin) = @_;
1579		2279
1580	cf::sync_job { find $path, $origin }	2280	# it's a bug to call this from the main context
		2281	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2282	if $Coro::current == $Coro::main;
		2283
		2284	find $path, $origin
1581	}	2285	}
1582		2286
1583	sub do_load_sync {	2287	sub do_load_sync {
1584	my ($map) = @_;	2288	my ($map) = @_;
1585		2289
1586	cf::sync_job { $map->load };	2290	# it's a bug to call this from the main context
		2291	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2292	if $Coro::current == $Coro::main;
		2293
		2294	$map->load;
1587	}	2295	}
1588		2296
1589	our %MAP_PREFETCH;	2297	our %MAP_PREFETCH;
1590	our $MAP_PREFETCHER = undef;	2298	our $MAP_PREFETCHER = undef;
1591		2299
1592	sub find_async {	2300	sub find_async {
1593	my ($path, $origin) = @_;	2301	my ($path, $origin, $load) = @_;
1594		2302
1595	$path = normalise $path, $origin && $origin->{path};	2303	$path = normalise $path, $origin;
1596		2304
1597	if (my $map = $cf::MAP{$path}) {	2305	if (my $map = $cf::MAP{$path}) {
1598	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2306	return $map if !$load || $map->linkable;
1599	}	2307	}
1600		2308
1601	undef $MAP_PREFETCH{$path};	2309	$MAP_PREFETCH{$path} |= $load;
		2310
1602	$MAP_PREFETCHER ||= cf::async {	2311	$MAP_PREFETCHER ||= cf::async {
		2312	$Coro::current->{desc} = "map prefetcher";
		2313
1603	while (%MAP_PREFETCH) {	2314	while (%MAP_PREFETCH) {
1604	for my $path (keys %MAP_PREFETCH) {	2315	while (my ($k, $v) = each %MAP_PREFETCH) {
1605	my $map = find $path	2316	if (my $map = find $k) {
1606	or next;
1607	$map->load;	2317	$map->load if $v;
		2318	}
1608		2319
1609	delete $MAP_PREFETCH{$path};	2320	delete $MAP_PREFETCH{$k};
1610	}	2321	}
1611	}	2322	}
1612	undef $MAP_PREFETCHER;	2323	undef $MAP_PREFETCHER;
1613	};	2324	};
1614	$MAP_PREFETCHER->prio (6);	2325	$MAP_PREFETCHER->prio (6);
1615		2326
1616	()	2327	()
1617	}	2328	}
1618		2329
		2330	# common code, used by both ->save and ->swapout
1619	sub save {	2331	sub _save {
1620	my ($self) = @_;	2332	my ($self) = @_;
1621
1622	my $lock = cf::lock_acquire "map_data:" . $self->path;
1623		2333
1624	$self->{last_save} = $cf::RUNTIME;	2334	$self->{last_save} = $cf::RUNTIME;
1625		2335
1626	return unless $self->dirty;	2336	return unless $self->dirty;
1627		2337
…		…
1633	return if $self->{deny_save};	2343	return if $self->{deny_save};
1634		2344
1635	local $self->{last_access} = $self->last_access;#d#	2345	local $self->{last_access} = $self->last_access;#d#
1636		2346
1637	cf::async {	2347	cf::async {
		2348	$Coro::current->{desc} = "map player save";
1638	$_->contr->save for $self->players;	2349	$_->contr->save for $self->players;
1639	};	2350	};
		2351
		2352	cf::get_slot 0.02;
1640		2353
1641	if ($uniq) {	2354	if ($uniq) {
1642	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2355	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1643	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2356	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1644	} else {	2357	} else {
1645	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2358	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1646	}	2359	}
1647	}	2360	}
1648		2361
		2362	sub save {
		2363	my ($self) = @_;
		2364
		2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2366
		2367	$self->_save;
		2368	}
		2369
1649	sub swap_out {	2370	sub swap_out {
1650	my ($self) = @_;	2371	my ($self) = @_;
1651		2372
1652	# save first because save cedes
1653	$self->save;
1654
1655	my $lock = cf::lock_acquire "map_data:" . $self->path;	2373	my $lock = cf::lock_acquire "map_data:$self->{path}";
1656		2374
		2375	return if !$self->linkable;
		2376	return if $self->{deny_save};
1657	return if $self->players;	2377	return if $self->players;
1658	return if $self->in_memory != cf::MAP_IN_MEMORY;
1659	return if $self->{deny_save};
1660		2378
		2379	# first deactivate the map and "unlink" it from the core
		2380	$self->deactivate;
		2381	$_->clear_links_to ($self) for values %cf::MAP;
		2382	$self->in_memory (cf::MAP_SWAPPED);
		2383
		2384	# then atomically save
		2385	$self->_save;
		2386
		2387	# then free the map
1661	$self->clear;	2388	$self->clear;
1662	$self->in_memory (cf::MAP_SWAPPED);
1663	}	2389	}
1664		2390
1665	sub reset_at {	2391	sub reset_at {
1666	my ($self) = @_;	2392	my ($self) = @_;
1667		2393
1668	# TODO: safety, remove and allow resettable per-player maps	2394	# TODO: safety, remove and allow resettable per-player maps
1669	return 1e99 if $self->isa ("ext::map_per_player");#d#
1670	return 1e99 if $self->{deny_reset};	2395	return 1e99 if $self->{deny_reset};
1671		2396
1672	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2397	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1673	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2398	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1674		2399
…		…
1685	my ($self) = @_;	2410	my ($self) = @_;
1686		2411
1687	my $lock = cf::lock_acquire "map_data:$self->{path}";	2412	my $lock = cf::lock_acquire "map_data:$self->{path}";
1688		2413
1689	return if $self->players;	2414	return if $self->players;
1690	return if $self->isa ("ext::map_per_player");#d#
1691		2415
1692	warn "resetting map ", $self->path;#d#	2416	cf::trace "resetting map ", $self->path, "\n";
1693		2417
1694	$self->in_memory (cf::MAP_SWAPPED);	2418	$self->in_memory (cf::MAP_SWAPPED);
1695		2419
1696	# need to save uniques path	2420	# need to save uniques path
1697	unless ($self->{deny_save}) {	2421	unless ($self->{deny_save}) {
…		…
1701	if $uniq;	2425	if $uniq;
1702	}	2426	}
1703		2427
1704	delete $cf::MAP{$self->path};	2428	delete $cf::MAP{$self->path};
1705		2429
		2430	$self->deactivate;
		2431	$_->clear_links_to ($self) for values %cf::MAP;
1706	$self->clear;	2432	$self->clear;
1707
1708	$_->clear_links_to ($self) for values %cf::MAP;
1709		2433
1710	$self->unlink_save;	2434	$self->unlink_save;
1711	$self->destroy;	2435	$self->destroy;
1712	}	2436	}
1713		2437
1714	my $nuke_counter = "aaaa";	2438	my $nuke_counter = "aaaa";
1715		2439
1716	sub nuke {	2440	sub nuke {
1717	my ($self) = @_;	2441	my ($self) = @_;
1718		2442
		2443	{
		2444	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2445
1719	delete $cf::MAP{$self->path};	2446	delete $cf::MAP{$self->path};
1720		2447
1721	$self->unlink_save;	2448	$self->unlink_save;
1722		2449
1723	bless $self, "cf::map";	2450	bless $self, "cf::map::wrap";
1724	delete $self->{deny_reset};	2451	delete $self->{deny_reset};
1725	$self->{deny_save} = 1;	2452	$self->{deny_save} = 1;
1726	$self->reset_timeout (1);	2453	$self->reset_timeout (1);
1727	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2454	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1728		2455
1729	$cf::MAP{$self->path} = $self;	2456	$cf::MAP{$self->path} = $self;
		2457	}
1730		2458
1731	$self->reset; # polite request, might not happen	2459	$self->reset; # polite request, might not happen
		2460	}
		2461
		2462	=item $maps = cf::map::tmp_maps
		2463
		2464	Returns an arrayref with all map paths of currently instantiated and saved
		2465	maps. May block.
		2466
		2467	=cut
		2468
		2469	sub tmp_maps() {
		2470	[
		2471	map {
		2472	utf8::decode $_;
		2473	/\.map$/
		2474	? normalise $_
		2475	: ()
		2476	} @{ aio_readdir $TMPDIR or [] }
		2477	]
		2478	}
		2479
		2480	=item $maps = cf::map::random_maps
		2481
		2482	Returns an arrayref with all map paths of currently instantiated and saved
		2483	random maps. May block.
		2484
		2485	=cut
		2486
		2487	sub random_maps() {
		2488	[
		2489	map {
		2490	utf8::decode $_;
		2491	/\.map$/
		2492	? normalise "?random/$_"
		2493	: ()
		2494	} @{ aio_readdir $RANDOMDIR or [] }
		2495	]
1732	}	2496	}
1733		2497
1734	=item cf::map::unique_maps	2498	=item cf::map::unique_maps
1735		2499
1736	Returns an arrayref of paths of all shared maps that have	2500	Returns an arrayref of paths of all shared maps that have
1737	instantiated unique items. May block.	2501	instantiated unique items. May block.
1738		2502
1739	=cut	2503	=cut
1740		2504
1741	sub unique_maps() {	2505	sub unique_maps() {
1742	my $files = aio_readdir $UNIQUEDIR	2506	[
1743	or return;	2507	map {
1744
1745	my @paths;
1746
1747	for (@$files) {
1748	utf8::decode $_;	2508	utf8::decode $_;
1749	next if /\.pst$/;	2509	s/\.map$//; # TODO future compatibility hack
1750	next unless /^$PATH_SEP/o;	2510	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1751		2511	? ()
1752	push @paths, cf::map::normalise $_;	2512	: normalise $_
		2513	} @{ aio_readdir $UNIQUEDIR or [] }
1753	}	2514	]
1754
1755	\@paths
1756	}	2515	}
1757		2516
1758	package cf;	2517	=item cf::map::static_maps
		2518
		2519	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2520	file in the shared directory excluding F</styles> and F</editor>). May
		2521	block.
		2522
		2523	=cut
		2524
		2525	sub static_maps() {
		2526	my @dirs = "";
		2527	my @maps;
		2528
		2529	while (@dirs) {
		2530	my $dir = shift @dirs;
		2531
		2532	next if $dir eq "/styles" || $dir eq "/editor";
		2533
		2534	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2535	or return;
		2536
		2537	for (@$files) {
		2538	s/\.map$// or next;
		2539	utf8::decode $_;
		2540	push @maps, "$dir/$_";
		2541	}
		2542
		2543	push @dirs, map "$dir/$_", @$dirs;
		2544	}
		2545
		2546	\@maps
		2547	}
1759		2548
1760	=back	2549	=back
1761		2550
1762	=head3 cf::object	2551	=head3 cf::object
1763		2552
…		…
1767		2556
1768	=over 4	2557	=over 4
1769		2558
1770	=item $ob->inv_recursive	2559	=item $ob->inv_recursive
1771		2560
1772	Returns the inventory of the object _and_ their inventories, recursively.	2561	Returns the inventory of the object I<and> their inventories, recursively,
		2562	but I<not> the object itself.
1773		2563
1774	=cut	2564	=cut
1775		2565
1776	sub inv_recursive_;	2566	sub inv_recursive_;
1777	sub inv_recursive_ {	2567	sub inv_recursive_ {
…		…
1780		2570
1781	sub inv_recursive {	2571	sub inv_recursive {
1782	inv_recursive_ inv $_[0]	2572	inv_recursive_ inv $_[0]
1783	}	2573	}
1784		2574
		2575	=item $ref = $ob->ref
		2576
		2577	Creates and returns a persistent reference to an object that can be stored as a string.
		2578
		2579	=item $ob = cf::object::deref ($refstring)
		2580
		2581	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2582	even if the object actually exists. May block.
		2583
		2584	=cut
		2585
		2586	sub deref {
		2587	my ($ref) = @_;
		2588
		2589	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2590	my ($uuid, $name) = ($1, $2);
		2591	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2592	or return;
		2593	$pl->ob->uuid eq $uuid
		2594	or return;
		2595
		2596	$pl->ob
		2597	} else {
		2598	warn "$ref: cannot resolve object reference\n";
		2599	undef
		2600	}
		2601	}
		2602
1785	package cf;	2603	package cf;
1786		2604
1787	=back	2605	=back
1788		2606
1789	=head3 cf::object::player	2607	=head3 cf::object::player
…		…
1795	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2613	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1796	can be C<undef>. Does the right thing when the player is currently in a	2614	can be C<undef>. Does the right thing when the player is currently in a
1797	dialogue with the given NPC character.	2615	dialogue with the given NPC character.
1798		2616
1799	=cut	2617	=cut
		2618
		2619	our $SAY_CHANNEL = {
		2620	id => "say",
		2621	title => "Map",
		2622	reply => "say ",
		2623	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2624	};
		2625
		2626	our $CHAT_CHANNEL = {
		2627	id => "chat",
		2628	title => "Chat",
		2629	reply => "chat ",
		2630	tooltip => "Player chat and shouts, global to the server.",
		2631	};
1800		2632
1801	# rough implementation of a future "reply" method that works	2633	# rough implementation of a future "reply" method that works
1802	# with dialog boxes.	2634	# with dialog boxes.
1803	#TODO: the first argument must go, split into a $npc->reply_to ( method	2635	#TODO: the first argument must go, split into a $npc->reply_to ( method
1804	sub cf::object::player::reply($$$;$) {	2636	sub cf::object::player::reply($$$;$) {
…		…
1806		2638
1807	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2639	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1808		2640
1809	if ($self->{record_replies}) {	2641	if ($self->{record_replies}) {
1810	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2642	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2643
1811	} else {	2644	} else {
		2645	my $pl = $self->contr;
		2646
		2647	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2648	my $dialog = $pl->{npc_dialog};
		2649	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2650
		2651	} else {
1812	$msg = $npc->name . " says: $msg" if $npc;	2652	$msg = $npc->name . " says: $msg" if $npc;
1813	$self->message ($msg, $flags);	2653	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2654	}
1814	}	2655	}
		2656	}
		2657
		2658	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2659
		2660	=cut
		2661
		2662	sub cf::object::send_msg {
		2663	my $pl = shift->contr
		2664	or return;
		2665	$pl->send_msg (@_);
1815	}	2666	}
1816		2667
1817	=item $player_object->may ("access")	2668	=item $player_object->may ("access")
1818		2669
1819	Returns wether the given player is authorized to access resource "access"	2670	Returns wether the given player is authorized to access resource "access"
…		…
1832		2683
1833	=item $player_object->enter_link	2684	=item $player_object->enter_link
1834		2685
1835	Freezes the player and moves him/her to a special map (C<{link}>).	2686	Freezes the player and moves him/her to a special map (C<{link}>).
1836		2687
1837	The player should be reasonably safe there for short amounts of time. You	2688	The player should be reasonably safe there for short amounts of time (e.g.
1838	I<MUST> call C<leave_link> as soon as possible, though.	2689	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2690	though, as the player cannot control the character while it is on the link
		2691	map.
1839		2692
1840	Will never block.	2693	Will never block.
1841		2694
1842	=item $player_object->leave_link ($map, $x, $y)	2695	=item $player_object->leave_link ($map, $x, $y)
1843		2696
…		…
1863	sub cf::object::player::enter_link {	2716	sub cf::object::player::enter_link {
1864	my ($self) = @_;	2717	my ($self) = @_;
1865		2718
1866	$self->deactivate_recursive;	2719	$self->deactivate_recursive;
1867		2720
		2721	++$self->{_link_recursion};
		2722
1868	return if UNIVERSAL::isa $self->map, "ext::map_link";	2723	return if UNIVERSAL::isa $self->map, "ext::map_link";
1869		2724
1870	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2725	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1871	if $self->map;	2726	if $self->map && $self->map->{path} ne "{link}";
1872		2727
1873	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2728	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1874	}	2729	}
1875		2730
1876	sub cf::object::player::leave_link {	2731	sub cf::object::player::leave_link {
1877	my ($self, $map, $x, $y) = @_;	2732	my ($self, $map, $x, $y) = @_;
		2733
		2734	return unless $self->contr->active;
1878		2735
1879	my $link_pos = delete $self->{_link_pos};	2736	my $link_pos = delete $self->{_link_pos};
1880		2737
1881	unless ($map) {	2738	unless ($map) {
1882	# restore original map position	2739	# restore original map position
…		…
1893	($x, $y) = (-1, -1)	2750	($x, $y) = (-1, -1)
1894	unless (defined $x) && (defined $y);	2751	unless (defined $x) && (defined $y);
1895		2752
1896	# use -1 or undef as default coordinates, not 0, 0	2753	# use -1 or undef as default coordinates, not 0, 0
1897	($x, $y) = ($map->enter_x, $map->enter_y)	2754	($x, $y) = ($map->enter_x, $map->enter_y)
1898	if $x <=0 && $y <= 0;	2755	if $x <= 0 && $y <= 0;
1899		2756
1900	$map->load;	2757	$map->load;
1901	$map->load_diag;	2758	$map->load_neighbours;
1902		2759
1903	return unless $self->contr->active;	2760	return unless $self->contr->active;
1904	$self->activate_recursive;
1905		2761
1906	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2762	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1907	$self->enter_map ($map, $x, $y);	2763	if ($self->enter_map ($map, $x, $y)) {
1908	}	2764	# entering was successful
1909		2765	delete $self->{_link_recursion};
1910	cf::player->attach (	2766	# only activate afterwards, to support waiting in hooks
1911	on_logout => sub {	2767	$self->activate_recursive;
1912	my ($pl) = @_;
1913
1914	# abort map switching before logout
1915	if ($pl->ob->{_link_pos}) {
1916	cf::sync_job {
1917	$pl->ob->leave_link
1918	};
1919	}
1920	},	2768	}
1921	on_login => sub {
1922	my ($pl) = @_;
1923		2769
1924	# try to abort aborted map switching on player login :)	2770	}
1925	# should happen only on crashes
1926	if ($pl->ob->{_link_pos}) {
1927	$pl->ob->enter_link;
1928	(async {
1929	$pl->ob->reply (undef,
1930	"There was an internal problem at your last logout, "
1931	. "the server will try to bring you to your intended destination in a second.",
1932	cf::NDI_RED);
1933	# we need this sleep as the login has a concurrent enter_exit running
1934	# and this sleep increases chances of the player not ending up in scorn
1935	Coro::Timer::sleep 1;
1936	$pl->ob->leave_link;
1937	})->prio (2);
1938	}
1939	},
1940	);
1941		2771
1942	=item $player_object->goto ($path, $x, $y)	2772	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1943		2773
		2774	Moves the player to the given map-path and coordinates by first freezing
		2775	her, loading and preparing them map, calling the provided $check callback
		2776	that has to return the map if sucecssful, and then unfreezes the player on
		2777	the new (success) or old (failed) map position. In either case, $done will
		2778	be called at the end of this process.
		2779
		2780	Note that $check will be called with a potentially non-loaded map, so if
		2781	it needs a loaded map it has to call C<< ->load >>.
		2782
1944	=cut	2783	=cut
		2784
		2785	our $GOTOGEN;
1945		2786
1946	sub cf::object::player::goto {	2787	sub cf::object::player::goto {
1947	my ($self, $path, $x, $y) = @_;	2788	my ($self, $path, $x, $y, $check, $done) = @_;
		2789
		2790	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2791	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2792	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2793	($path, $x, $y) = @$EMERGENCY_POSITION;
		2794	}
		2795
		2796	# do generation counting so two concurrent goto's will be executed in-order
		2797	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1948		2798
1949	$self->enter_link;	2799	$self->enter_link;
1950		2800
1951	(async {	2801	(async {
		2802	$Coro::current->{desc} = "player::goto $path $x $y";
		2803
		2804	# *tag paths override both path and x|y
		2805	if ($path =~ /^\*(.*)$/) {
		2806	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2807	my $ob = $obs[rand @obs];
		2808
		2809	# see if we actually can go there
		2810	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2811	$ob = $obs[rand @obs];
		2812	} else {
		2813	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2814	}
		2815	# else put us there anyways for now #d#
		2816
		2817	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2818	} else {
		2819	($path, $x, $y) = (undef, undef, undef);
		2820	}
		2821	}
		2822
1952	my $map = eval {	2823	my $map = eval {
1953	my $map = cf::map::find $path;	2824	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2825
		2826	if ($map) {
1954	$map = $map->customise_for ($self) if $map;	2827	$map = $map->customise_for ($self);
		2828	$map = $check->($map, $x, $y, $self) if $check && $map;
		2829	} else {
		2830	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2831	}
		2832
1955	$map	2833	$map
		2834	};
		2835
		2836	if ($@) {
		2837	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2838	LOG llevError | logBacktrace, Carp::longmess $@;
1956	} or	2839	}
1957	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1958		2840
		2841	if ($gen == $self->{_goto_generation}) {
		2842	delete $self->{_goto_generation};
1959	$self->leave_link ($map, $x, $y);	2843	$self->leave_link ($map, $x, $y);
		2844	}
		2845
		2846	$done->($self) if $done;
1960	})->prio (1);	2847	})->prio (1);
1961	}	2848	}
1962		2849
1963	=item $player_object->enter_exit ($exit_object)	2850	=item $player_object->enter_exit ($exit_object)
1964		2851
…		…
1984	}	2871	}
1985		2872
1986	sub prepare_random_map {	2873	sub prepare_random_map {
1987	my ($exit) = @_;	2874	my ($exit) = @_;
1988		2875
1989	my $guard = cf::lock_acquire "exit_prepare:$exit";
1990
1991	# all this does is basically replace the /! path by	2876	# all this does is basically replace the /! path by
1992	# a new random map path (?random/...) with a seed	2877	# a new random map path (?random/...) with a seed
1993	# that depends on the exit object	2878	# that depends on the exit object
1994		2879
1995	my $rmp = parse_random_map_params $exit->msg;	2880	my $rmp = parse_random_map_params $exit->msg;
…		…
1997	if ($exit->map) {	2882	if ($exit->map) {
1998	$rmp->{region} = $exit->region->name;	2883	$rmp->{region} = $exit->region->name;
1999	$rmp->{origin_map} = $exit->map->path;	2884	$rmp->{origin_map} = $exit->map->path;
2000	$rmp->{origin_x} = $exit->x;	2885	$rmp->{origin_x} = $exit->x;
2001	$rmp->{origin_y} = $exit->y;	2886	$rmp->{origin_y} = $exit->y;
		2887
		2888	$exit->map->touch;
2002	}	2889	}
2003		2890
2004	$rmp->{random_seed} ||= $exit->random_seed;	2891	$rmp->{random_seed} ||= $exit->random_seed;
2005		2892
2006	my $data = cf::to_json $rmp;	2893	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2007	my $md5 = Digest::MD5::md5_hex $data;	2894	my $md5 = Digest::MD5::md5_hex $data;
2008	my $meta = "$RANDOMDIR/$md5.meta";	2895	my $meta = "$RANDOMDIR/$md5.meta";
2009		2896
2010	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2897	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2011	aio_write $fh, 0, (length $data), $data, 0;	2898	aio_write $fh, 0, (length $data), $data, 0;
2012	undef $fh;	2899	undef $fh;
2013	aio_rename "$meta~", $meta;	2900	aio_rename "$meta~", $meta;
2014		2901
		2902	my $slaying = "?random/$md5";
		2903
		2904	if ($exit->valid) {
2015	$exit->slaying ("?random/$md5");	2905	$exit->slaying ("?random/$md5");
2016	$exit->msg (undef);	2906	$exit->msg (undef);
		2907	}
2017	}	2908	}
2018	}	2909	}
2019		2910
2020	sub cf::object::player::enter_exit {	2911	sub cf::object::player::enter_exit {
2021	my ($self, $exit) = @_;	2912	my ($self, $exit) = @_;
2022		2913
2023	return unless $self->type == cf::PLAYER;	2914	return unless $self->type == cf::PLAYER;
2024		2915
2025	if ($exit->slaying eq "/!") {
2026	#TODO: this should de-fi-ni-te-ly not be a sync-job
2027	# the problem is that $exit might not survive long enough
2028	# so it needs to be done right now, right here
2029	cf::sync_job { prepare_random_map $exit };
2030	}
2031
2032	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2033	my $hp = $exit->stats->hp;
2034	my $sp = $exit->stats->sp;
2035
2036	$self->enter_link;	2916	$self->enter_link;
2037		2917
2038	(async {	2918	(async {
2039	$self->deactivate_recursive; # just to be sure	2919	$Coro::current->{desc} = "enter_exit";
		2920
2040	unless (eval {	2921	unless (eval {
		2922	$self->deactivate_recursive; # just to be sure
		2923
		2924	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2925	my $x = $exit->stats->hp;
		2926	my $y = $exit->stats->sp;
		2927
		2928	# special map handling
		2929	my $slaying = $exit->slaying;
		2930
		2931	# special map handling
		2932	if ($slaying eq "/!") {
		2933	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2934
		2935	prepare_random_map $exit
		2936	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2937
		2938	$map = $exit->slaying;
		2939
		2940	} elsif ($slaying eq '!up') {
		2941	$map = $exit->map->tile_path (cf::TILE_UP);
		2942	$x = $exit->x;
		2943	$y = $exit->y;
		2944
		2945	} elsif ($slaying eq '!down') {
		2946	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2947	$x = $exit->x;
		2948	$y = $exit->y;
		2949	}
		2950
2041	$self->goto ($slaying, $hp, $sp);	2951	$self->goto ($map, $x, $y);
2042		2952
		2953	# if exit is damned, update players death & WoR home-position
		2954	$self->contr->savebed ($map, $x, $y)
		2955	if $exit->flag (cf::FLAG_DAMNED);
		2956
2043	1;	2957	1
2044	}) {	2958	}) {
2045	$self->message ("Something went wrong deep within the crossfire server. "	2959	$self->message ("Something went wrong deep within the deliantra server. "
2046	. "I'll try to bring you back to the map you were before. "	2960	. "I'll try to bring you back to the map you were before. "
2047	. "Please report this to the dungeon master!",	2961	. "Please report this to the dungeon master!",
2048	cf::NDI_UNIQUE | cf::NDI_RED);	2962	cf::NDI_UNIQUE | cf::NDI_RED);
2049		2963
2050	warn "ERROR in enter_exit: $@";	2964	error "ERROR in enter_exit: $@";
2051	$self->leave_link;	2965	$self->leave_link;
2052	}	2966	}
2053	})->prio (1);	2967	})->prio (1);
2054	}	2968	}
2055		2969
…		…
2069		2983
2070	utf8::encode $text;	2984	utf8::encode $text;
2071	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2985	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2072	}	2986	}
2073		2987
		2988	=item $client->send_big_packet ($pkt)
		2989
		2990	Like C<send_packet>, but tries to compress large packets, and fragments
		2991	them as required.
		2992
		2993	=cut
		2994
		2995	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2996
		2997	sub cf::client::send_big_packet {
		2998	my ($self, $pkt) = @_;
		2999
		3000	# try lzf for large packets
		3001	$pkt = "lzf " . Compress::LZF::compress $pkt
		3002	if 1024 <= length $pkt and $self->{can_lzf};
		3003
		3004	# split very large packets
		3005	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3006	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3007	$pkt = "frag";
		3008	}
		3009
		3010	$self->send_packet ($pkt);
		3011	}
		3012
		3013	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3014
		3015	Send a drawinfo or msg packet to the client, formatting the msg for the
		3016	client if neccessary. C<$type> should be a string identifying the type of
		3017	the message, with C<log> being the default. If C<$color> is negative, suppress
		3018	the message unless the client supports the msg packet.
		3019
		3020	=cut
		3021
		3022	# non-persistent channels (usually the info channel)
		3023	our %CHANNEL = (
		3024	"c/motd" => {
		3025	id => "infobox",
		3026	title => "MOTD",
		3027	reply => undef,
		3028	tooltip => "The message of the day",
		3029	},
		3030	"c/identify" => {
		3031	id => "infobox",
		3032	title => "Identify",
		3033	reply => undef,
		3034	tooltip => "Items recently identified",
		3035	},
		3036	"c/examine" => {
		3037	id => "infobox",
		3038	title => "Examine",
		3039	reply => undef,
		3040	tooltip => "Signs and other items you examined",
		3041	},
		3042	"c/shopinfo" => {
		3043	id => "infobox",
		3044	title => "Shop Info",
		3045	reply => undef,
		3046	tooltip => "What your bargaining skill tells you about the shop",
		3047	},
		3048	"c/book" => {
		3049	id => "infobox",
		3050	title => "Book",
		3051	reply => undef,
		3052	tooltip => "The contents of a note or book",
		3053	},
		3054	"c/lookat" => {
		3055	id => "infobox",
		3056	title => "Look",
		3057	reply => undef,
		3058	tooltip => "What you saw there",
		3059	},
		3060	"c/who" => {
		3061	id => "infobox",
		3062	title => "Players",
		3063	reply => undef,
		3064	tooltip => "Shows players who are currently online",
		3065	},
		3066	"c/body" => {
		3067	id => "infobox",
		3068	title => "Body Parts",
		3069	reply => undef,
		3070	tooltip => "Shows which body parts you posess and are available",
		3071	},
		3072	"c/statistics" => {
		3073	id => "infobox",
		3074	title => "Statistics",
		3075	reply => undef,
		3076	tooltip => "Shows your primary statistics",
		3077	},
		3078	"c/skills" => {
		3079	id => "infobox",
		3080	title => "Skills",
		3081	reply => undef,
		3082	tooltip => "Shows your experience per skill and item power",
		3083	},
		3084	"c/shopitems" => {
		3085	id => "infobox",
		3086	title => "Shop Items",
		3087	reply => undef,
		3088	tooltip => "Shows the items currently for sale in this shop",
		3089	},
		3090	"c/resistances" => {
		3091	id => "infobox",
		3092	title => "Resistances",
		3093	reply => undef,
		3094	tooltip => "Shows your resistances",
		3095	},
		3096	"c/pets" => {
		3097	id => "infobox",
		3098	title => "Pets",
		3099	reply => undef,
		3100	tooltip => "Shows information abotu your pets/a specific pet",
		3101	},
		3102	"c/perceiveself" => {
		3103	id => "infobox",
		3104	title => "Perceive Self",
		3105	reply => undef,
		3106	tooltip => "You gained detailed knowledge about yourself",
		3107	},
		3108	"c/uptime" => {
		3109	id => "infobox",
		3110	title => "Uptime",
		3111	reply => undef,
		3112	tooltip => "How long the server has been running since last restart",
		3113	},
		3114	"c/mapinfo" => {
		3115	id => "infobox",
		3116	title => "Map Info",
		3117	reply => undef,
		3118	tooltip => "Information related to the maps",
		3119	},
		3120	"c/party" => {
		3121	id => "party",
		3122	title => "Party",
		3123	reply => "gsay ",
		3124	tooltip => "Messages and chat related to your party",
		3125	},
		3126	"c/death" => {
		3127	id => "death",
		3128	title => "Death",
		3129	reply => undef,
		3130	tooltip => "Reason for and more info about your most recent death",
		3131	},
		3132	"c/say" => $SAY_CHANNEL,
		3133	"c/chat" => $CHAT_CHANNEL,
		3134	);
		3135
		3136	sub cf::client::send_msg {
		3137	my ($self, $channel, $msg, $color, @extra) = @_;
		3138
		3139	$msg = $self->pl->expand_cfpod ($msg)
		3140	unless $color & cf::NDI_VERBATIM;
		3141
		3142	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3143
		3144	# check predefined channels, for the benefit of C
		3145	if ($CHANNEL{$channel}) {
		3146	$channel = $CHANNEL{$channel};
		3147
		3148	$self->ext_msg (channel_info => $channel);
		3149	$channel = $channel->{id};
		3150
		3151	} elsif (ref $channel) {
		3152	# send meta info to client, if not yet sent
		3153	unless (exists $self->{channel}{$channel->{id}}) {
		3154	$self->{channel}{$channel->{id}} = $channel;
		3155	$self->ext_msg (channel_info => $channel);
		3156	}
		3157
		3158	$channel = $channel->{id};
		3159	}
		3160
		3161	return unless @extra || length $msg;
		3162
		3163	# default colour, mask it out
		3164	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3165	if $color & cf::NDI_DEF;
		3166
		3167	my $pkt = "msg "
		3168	. $self->{json_coder}->encode (
		3169	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3170	);
		3171
		3172	$self->send_big_packet ($pkt);
		3173	}
		3174
2074	=item $client->ext_event ($type, %msg)	3175	=item $client->ext_msg ($type, @msg)
2075		3176
2076	Sends an exti event to the client.	3177	Sends an ext event to the client.
2077		3178
2078	=cut	3179	=cut
2079		3180
2080	sub cf::client::ext_event($$%) {	3181	sub cf::client::ext_msg($$@) {
2081	my ($self, $type, %msg) = @_;	3182	my ($self, $type, @msg) = @_;
2082		3183
		3184	if ($self->extcmd == 2) {
		3185	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3186	} elsif ($self->extcmd == 1) { # TODO: remove
2083	$msg{msgtype} = "event_$type";	3187	push @msg, msgtype => "event_$type";
2084	$self->send_packet ("ext " . cf::to_json \%msg);	3188	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3189	}
		3190	}
		3191
		3192	=item $client->ext_reply ($msgid, @msg)
		3193
		3194	Sends an ext reply to the client.
		3195
		3196	=cut
		3197
		3198	sub cf::client::ext_reply($$@) {
		3199	my ($self, $id, @msg) = @_;
		3200
		3201	if ($self->extcmd == 2) {
		3202	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3203	} elsif ($self->extcmd == 1) {
		3204	#TODO: version 1, remove
		3205	unshift @msg, msgtype => "reply", msgid => $id;
		3206	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3207	}
2085	}	3208	}
2086		3209
2087	=item $success = $client->query ($flags, "text", \&cb)	3210	=item $success = $client->query ($flags, "text", \&cb)
2088		3211
2089	Queues a query to the client, calling the given callback with	3212	Queues a query to the client, calling the given callback with
2090	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3213	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2091	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3214	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2092		3215
2093	Queries can fail, so check the return code. Or don't, as queries will become	3216	Queries can fail, so check the return code. Or don't, as queries will
2094	reliable at some point in the future.	3217	become reliable at some point in the future.
2095		3218
2096	=cut	3219	=cut
2097		3220
2098	sub cf::client::query {	3221	sub cf::client::query {
2099	my ($self, $flags, $text, $cb) = @_;	3222	my ($self, $flags, $text, $cb) = @_;
…		…
2107	utf8::encode $text;	3230	utf8::encode $text;
2108	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3231	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2109		3232
2110	$self->send_packet ($self->{query_queue}[0][0])	3233	$self->send_packet ($self->{query_queue}[0][0])
2111	if @{ $self->{query_queue} } == 1;	3234	if @{ $self->{query_queue} } == 1;
		3235
		3236	1
2112	}	3237	}
2113		3238
2114	cf::client->attach (	3239	cf::client->attach (
		3240	on_connect => sub {
		3241	my ($ns) = @_;
		3242
		3243	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3244	},
2115	on_reply => sub {	3245	on_reply => sub {
2116	my ($ns, $msg) = @_;	3246	my ($ns, $msg) = @_;
2117		3247
2118	# this weird shuffling is so that direct followup queries	3248	# this weird shuffling is so that direct followup queries
2119	# get handled first	3249	# get handled first
…		…
2131	} else {	3261	} else {
2132	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3262	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2133	}	3263	}
2134	}	3264	}
2135	},	3265	},
		3266	on_exticmd => sub {
		3267	my ($ns, $buf) = @_;
		3268
		3269	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3270
		3271	if (ref $msg) {
		3272	my ($type, $reply, @payload) =
		3273	"ARRAY" eq ref $msg
		3274	? @$msg
		3275	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3276
		3277	my @reply;
		3278
		3279	if (my $cb = $EXTICMD{$type}) {
		3280	@reply = $cb->($ns, @payload);
		3281	}
		3282
		3283	$ns->ext_reply ($reply, @reply)
		3284	if $reply;
		3285
		3286	} else {
		3287	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3288	}
		3289
		3290	cf::override;
		3291	},
2136	);	3292	);
2137		3293
2138	=item $client->async (\&cb)	3294	=item $client->async (\&cb)
2139		3295
2140	Create a new coroutine, running the specified callback. The coroutine will	3296	Create a new coroutine, running the specified callback. The coroutine will
…		…
2156		3312
2157	$coro	3313	$coro
2158	}	3314	}
2159		3315
2160	cf::client->attach (	3316	cf::client->attach (
2161	on_destroy => sub {	3317	on_client_destroy => sub {
2162	my ($ns) = @_;	3318	my ($ns) = @_;
2163		3319
2164	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3320	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2165	},	3321	},
2166	);	3322	);
…		…
2181	our $safe = new Safe "safe";	3337	our $safe = new Safe "safe";
2182	our $safe_hole = new Safe::Hole;	3338	our $safe_hole = new Safe::Hole;
2183		3339
2184	$SIG{FPE} = 'IGNORE';	3340	$SIG{FPE} = 'IGNORE';
2185		3341
2186	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3342	$safe->permit_only (Opcode::opset qw(
		3343	:base_core :base_mem :base_orig :base_math :base_loop
		3344	grepstart grepwhile mapstart mapwhile
		3345	sort time
		3346	));
2187		3347
2188	# here we export the classes and methods available to script code	3348	# here we export the classes and methods available to script code
2189		3349
2190	=pod	3350	=pod
2191		3351
2192	The following functions and methods are available within a safe environment:	3352	The following functions and methods are available within a safe environment:
2193		3353
2194	cf::object contr pay_amount pay_player map	3354	cf::object
		3355	contr pay_amount pay_player map x y force_find force_add destroy
		3356	insert remove name archname title slaying race decrease split
		3357	value
		3358
2195	cf::object::player player	3359	cf::object::player
2196	cf::player peaceful	3360	player
2197	cf::map trigger	3361
		3362	cf::player
		3363	peaceful
		3364
		3365	cf::map
		3366	trigger
2198		3367
2199	=cut	3368	=cut
2200		3369
2201	for (	3370	for (
2202	["cf::object" => qw(contr pay_amount pay_player map)],	3371	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3372	insert remove inv nrof name archname title slaying race
		3373	decrease split destroy change_exp value msg lore send_msg)],
2203	["cf::object::player" => qw(player)],	3374	["cf::object::player" => qw(player)],
2204	["cf::player" => qw(peaceful)],	3375	["cf::player" => qw(peaceful send_msg)],
2205	["cf::map" => qw(trigger)],	3376	["cf::map" => qw(trigger)],
2206	) {	3377	) {
2207	no strict 'refs';
2208	my ($pkg, @funs) = @$_;	3378	my ($pkg, @funs) = @$_;
2209	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3379	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2210	for @funs;	3380	for @funs;
2211	}	3381	}
2212		3382
…		…
2227		3397
2228	my $qcode = $code;	3398	my $qcode = $code;
2229	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3399	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2230	$qcode =~ s/\n/\\n/g;	3400	$qcode =~ s/\n/\\n/g;
2231		3401
		3402	%vars = (_dummy => 0) unless %vars;
		3403
		3404	my @res;
2232	local $_;	3405	local $_;
2233	local @safe::cf::_safe_eval_args = values %vars;
2234		3406
2235	my $eval =	3407	my $eval =
2236	"do {\n"	3408	"do {\n"
2237	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3409	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2238	. "#line 0 \"{$qcode}\"\n"	3410	. "#line 0 \"{$qcode}\"\n"
2239	. $code	3411	. $code
2240	. "\n}"	3412	. "\n}"
2241	;	3413	;
2242		3414
		3415	if ($CFG{safe_eval}) {
2243	sub_generation_inc;	3416	sub_generation_inc;
		3417	local @safe::cf::_safe_eval_args = values %vars;
2244	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3418	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2245	sub_generation_inc;	3419	sub_generation_inc;
		3420	} else {
		3421	local @cf::_safe_eval_args = values %vars;
		3422	@res = wantarray ? eval eval : scalar eval $eval;
		3423	}
2246		3424
2247	if ($@) {	3425	if ($@) {
2248	warn "$@";	3426	warn "$@",
2249	warn "while executing safe code '$code'\n";	3427	"while executing safe code '$code'\n",
2250	warn "with arguments " . (join " ", %vars) . "\n";	3428	"with arguments " . (join " ", %vars) . "\n";
2251	}	3429	}
2252		3430
2253	wantarray ? @res : $res[0]	3431	wantarray ? @res : $res[0]
2254	}	3432	}
2255		3433
…		…
2269	=cut	3447	=cut
2270		3448
2271	sub register_script_function {	3449	sub register_script_function {
2272	my ($fun, $cb) = @_;	3450	my ($fun, $cb) = @_;
2273		3451
2274	no strict 'refs';	3452	$fun = "safe::$fun" if $CFG{safe_eval};
2275	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3453	*$fun = $safe_hole->wrap ($cb);
2276	}	3454	}
2277		3455
2278	=back	3456	=back
2279		3457
2280	=cut	3458	=cut
2281
2282	#############################################################################
2283
2284	=head2 EXTENSION DATABASE SUPPORT
2285
2286	Crossfire maintains a very simple database for extension use. It can
2287	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2288	convert to/from binary).
2289
2290	The parameter C<$family> should best start with the name of the extension
2291	using it, it should be unique.
2292
2293	=over 4
2294
2295	=item $value = cf::db_get $family => $key
2296
2297	Returns a single value from the database.
2298
2299	=item cf::db_put $family => $key => $value
2300
2301	Stores the given C<$value> in the family.
2302
2303	=cut
2304
2305	our $DB;
2306
2307	sub db_init {
2308	unless ($DB) {
2309	$DB = BDB::db_create $DB_ENV;
2310
2311	cf::sync_job {
2312	eval {
2313	$DB->set_flags (BDB::CHKSUM);
2314
2315	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2316	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2317	cf::cleanup "db_open(db): $!" if $!;
2318	};
2319	cf::cleanup "db_open(db): $@" if $@;
2320	};
2321	}
2322	}
2323
2324	sub db_get($$) {
2325	my $key = "$_[0]/$_[1]";
2326
2327	cf::sync_job {
2328	BDB::db_get $DB, undef, $key, my $data;
2329
2330	$! ? ()
2331	: $data
2332	}
2333	}
2334
2335	sub db_put($$$) {
2336	BDB::dbreq_pri 4;
2337	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2338	}
2339
2340	=item cf::cache $id => [$paths...], $processversion => $process
2341
2342	Generic caching function that returns the value of the resource $id,
2343	caching and regenerating as required.
2344
2345	This function can block.
2346
2347	=cut
2348
2349	sub cache {
2350	my ($id, $src, $processversion, $process) = @_;
2351
2352	my $meta =
2353	join "\x00",
2354	$processversion,
2355	map {
2356	aio_stat $_
2357	and Carp::croak "$_: $!";
2358
2359	($_, (stat _)[7,9])
2360	} @$src;
2361
2362	my $dbmeta = db_get cache => "$id/meta";
2363	if ($dbmeta ne $meta) {
2364	# changed, we may need to process
2365
2366	my @data;
2367	my $md5;
2368
2369	for (0 .. $#$src) {
2370	0 <= aio_load $src->[$_], $data[$_]
2371	or Carp::croak "$src->[$_]: $!";
2372	}
2373
2374	# if processing is expensive, check
2375	# checksum first
2376	if (1) {
2377	$md5 =
2378	join "\x00",
2379	$processversion,
2380	map {
2381	Coro::cede;
2382	($src->[$_], Digest::MD5::md5_hex $data[$_])
2383	} 0.. $#$src;
2384
2385
2386	my $dbmd5 = db_get cache => "$id/md5";
2387	if ($dbmd5 eq $md5) {
2388	db_put cache => "$id/meta", $meta;
2389
2390	return db_get cache => "$id/data";
2391	}
2392	}
2393
2394	my $t1 = Time::HiRes::time;
2395	my $data = $process->(\@data);
2396	my $t2 = Time::HiRes::time;
2397
2398	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2399
2400	db_put cache => "$id/data", $data;
2401	db_put cache => "$id/md5" , $md5;
2402	db_put cache => "$id/meta", $meta;
2403
2404	return $data;
2405	}
2406
2407	db_get cache => "$id/data"
2408	}
2409
2410	=item fork_call { }, $args
2411
2412	Executes the given code block with the given arguments in a seperate
2413	process, returning the results. Everything must be serialisable with
2414	Coro::Storable. May, of course, block. Note that the executed sub may
2415	never block itself or use any form of Event handling.
2416
2417	=cut
2418
2419	sub fork_call(&@) {
2420	my ($cb, @args) = @_;
2421
2422	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2423	# or die "socketpair: $!";
2424	pipe my $fh1, my $fh2
2425	or die "pipe: $!";
2426
2427	if (my $pid = fork) {
2428	close $fh2;
2429
2430	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2431	$res = Coro::Storable::thaw $res;
2432
2433	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2434
2435	die $$res unless "ARRAY" eq ref $res;
2436
2437	return wantarray ? @$res : $res->[-1];
2438	} else {
2439	local $SIG{__WARN__};
2440	eval {
2441	local $SIG{__DIE__};
2442	close $fh1;
2443
2444	my @res = eval { $cb->(@args) };
2445	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2446	};
2447
2448	warn $@ if $@;
2449	_exit 0;
2450	}
2451	}
2452
2453
2454		3459
2455	#############################################################################	3460	#############################################################################
2456	# the server's init and main functions	3461	# the server's init and main functions
2457		3462
2458	sub load_facedata($) {	3463	sub load_facedata($) {
2459	my ($path) = @_;	3464	my ($path) = @_;
2460		3465
		3466	# HACK to clear player env face cache, we need some signal framework
		3467	# for this (global event?)
		3468	%ext::player_env::MUSIC_FACE_CACHE = ();
		3469
		3470	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3471
2461	warn "loading facedata from $path\n";	3472	trace "loading facedata from $path\n";
2462		3473
2463	my $facedata;	3474	my $facedata = decode_storable load_file $path;
2464	0 < aio_load $path, $facedata
2465	or die "$path: $!";
2466
2467	$facedata = Coro::Storable::thaw $facedata;
2468		3475
2469	$facedata->{version} == 2	3476	$facedata->{version} == 2
2470	or cf::cleanup "$path: version mismatch, cannot proceed.";	3477	or cf::cleanup "$path: version mismatch, cannot proceed.";
2471		3478
		3479	# patch in the exptable
		3480	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3481	$facedata->{resource}{"res/exp_table"} = {
		3482	type => FT_RSRC,
		3483	data => $exp_table,
		3484	hash => (Digest::MD5::md5 $exp_table),
		3485	};
		3486	cf::cede_to_tick;
		3487
2472	{	3488	{
2473	my $faces = $facedata->{faceinfo};	3489	my $faces = $facedata->{faceinfo};
2474		3490
2475	while (my ($face, $info) = each %$faces) {	3491	while (my ($face, $info) = each %$faces) {
2476	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3492	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3493
2477	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3494	cf::face::set_visibility $idx, $info->{visibility};
		3495	cf::face::set_magicmap $idx, $info->{magicmap};
2478	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3496	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2479	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3497	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2480	Coro::cede;	3498	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3499
		3500	cf::cede_to_tick;
2481	}	3501	}
2482		3502
2483	while (my ($face, $info) = each %$faces) {	3503	while (my ($face, $info) = each %$faces) {
2484	next unless $info->{smooth};	3504	next unless $info->{smooth};
		3505
2485	my $idx = cf::face::find $face	3506	my $idx = cf::face::find $face
2486	or next;	3507	or next;
		3508
2487	if (my $smooth = cf::face::find $info->{smooth}) {	3509	if (my $smooth = cf::face::find $info->{smooth}) {
		3510	cf::face::set_smooth $idx, $smooth;
2488	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3511	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2489	} else {	3512	} else {
2490	warn "smooth face '$info->{smooth}' not found for face '$face'";	3513	error "smooth face '$info->{smooth}' not found for face '$face'";
2491	}	3514	}
2492	Coro::cede;	3515
		3516	cf::cede_to_tick;
2493	}	3517	}
2494	}	3518	}
2495		3519
2496	{	3520	{
2497	my $anims = $facedata->{animinfo};	3521	my $anims = $facedata->{animinfo};
2498		3522
2499	while (my ($anim, $info) = each %$anims) {	3523	while (my ($anim, $info) = each %$anims) {
2500	cf::anim::set $anim, $info->{frames}, $info->{facings};	3524	cf::anim::set $anim, $info->{frames}, $info->{facings};
2501	Coro::cede;	3525	cf::cede_to_tick;
2502	}	3526	}
2503		3527
2504	cf::anim::invalidate_all; # d'oh	3528	cf::anim::invalidate_all; # d'oh
2505	}	3529	}
2506		3530
		3531	{
		3532	my $res = $facedata->{resource};
		3533
		3534	while (my ($name, $info) = each %$res) {
		3535	if (defined $info->{type}) {
		3536	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3537
		3538	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3539	cf::face::set_type $idx, $info->{type};
		3540	} else {
		3541	$RESOURCE{$name} = $info; # unused
		3542	}
		3543
		3544	cf::cede_to_tick;
		3545	}
		3546	}
		3547
		3548	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3549
2507	1	3550	1
2508	}	3551	}
2509		3552
		3553	register_exticmd fx_want => sub {
		3554	my ($ns, $want) = @_;
		3555
		3556	while (my ($k, $v) = each %$want) {
		3557	$ns->fx_want ($k, $v);
		3558	}
		3559	};
		3560
		3561	sub load_resource_file($) {
		3562	my $guard = lock_acquire "load_resource_file";
		3563
		3564	my $status = load_resource_file_ $_[0];
		3565	get_slot 0.1, 100;
		3566	cf::arch::commit_load;
		3567
		3568	$status
		3569	}
		3570
2510	sub reload_regions {	3571	sub reload_regions {
		3572	# HACK to clear player env face cache, we need some signal framework
		3573	# for this (global event?)
		3574	%ext::player_env::MUSIC_FACE_CACHE = ();
		3575
2511	load_resource_file "$MAPDIR/regions"	3576	load_resource_file "$MAPDIR/regions"
2512	or die "unable to load regions file\n";	3577	or die "unable to load regions file\n";
		3578
		3579	for (cf::region::list) {
		3580	$_->{match} = qr/$_->{match}/
		3581	if exists $_->{match};
		3582	}
2513	}	3583	}
2514		3584
2515	sub reload_facedata {	3585	sub reload_facedata {
2516	load_facedata "$DATADIR/facedata"	3586	load_facedata "$DATADIR/facedata"
2517	or die "unable to load facedata\n";	3587	or die "unable to load facedata\n";
…		…
2525	sub reload_treasures {	3595	sub reload_treasures {
2526	load_resource_file "$DATADIR/treasures"	3596	load_resource_file "$DATADIR/treasures"
2527	or die "unable to load treasurelists\n";	3597	or die "unable to load treasurelists\n";
2528	}	3598	}
2529		3599
		3600	sub reload_sound {
		3601	trace "loading sound config from $DATADIR/sound\n";
		3602
		3603	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3604
		3605	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3606	my $sound = $soundconf->{compat}[$_]
		3607	or next;
		3608
		3609	my $face = cf::face::find "sound/$sound->[1]";
		3610	cf::sound::set $sound->[0] => $face;
		3611	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3612	}
		3613
		3614	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3615	my $face = cf::face::find "sound/$v";
		3616	cf::sound::set $k => $face;
		3617	}
		3618	}
		3619
2530	sub reload_resources {	3620	sub reload_resources {
2531	warn "reloading resource files...\n";	3621	trace "reloading resource files...\n";
2532		3622
		3623	reload_exp_table;
		3624	reload_materials;
		3625	reload_facedata;
		3626	reload_sound;
		3627	reload_archetypes;
2533	reload_regions;	3628	reload_regions;
2534	reload_facedata;
2535	reload_archetypes;
2536	reload_treasures;	3629	reload_treasures;
2537		3630
2538	warn "finished reloading resource files\n";	3631	trace "finished reloading resource files\n";
2539	}	3632	}
2540		3633
2541	sub init {	3634	sub reload_config {
2542	reload_resources;	3635	trace "reloading config file...\n";
2543	}
2544		3636
2545	sub cfg_load {	3637	my $config = load_file "$CONFDIR/config";
2546	open my $fh, "<:utf8", "$CONFDIR/config"	3638	utf8::decode $config;
2547	or return;	3639	*CFG = decode_yaml $config;
2548		3640
2549	local $/;
2550	*CFG = YAML::Syck::Load <$fh>;
2551
2552	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3641	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2553		3642
2554	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3643	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2555	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3644	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2556		3645
2557	if (exists $CFG{mlockall}) {	3646	if (exists $CFG{mlockall}) {
…		…
2561	};	3650	};
2562	warn $@ if $@;	3651	warn $@ if $@;
2563	}	3652	}
2564	}	3653	}
2565		3654
		3655	sub pidfile() {
		3656	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3657	or die "$PIDFILE: $!";
		3658	flock $fh, &Fcntl::LOCK_EX
		3659	or die "$PIDFILE: flock: $!";
		3660	$fh
		3661	}
		3662
		3663	# make sure only one server instance is running at any one time
		3664	sub atomic {
		3665	my $fh = pidfile;
		3666
		3667	my $pid = <$fh>;
		3668	kill 9, $pid if $pid > 0;
		3669
		3670	seek $fh, 0, 0;
		3671	print $fh $$;
		3672	}
		3673
		3674	sub main_loop {
		3675	trace "EV::loop starting\n";
		3676	if (1) {
		3677	EV::loop;
		3678	}
		3679	trace "EV::loop returned\n";
		3680	goto &main_loop unless $REALLY_UNLOOP;
		3681	}
		3682
2566	sub main {	3683	sub main {
		3684	cf::init_globals; # initialise logging
		3685
		3686	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3687	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3688	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3689	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3690
		3691	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3692
2567	# we must not ever block the main coroutine	3693	# we must not ever block the main coroutine
2568	local $Coro::idle = sub {	3694	local $Coro::idle = sub {
2569	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3695	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2570	(async {	3696	(async {
2571	Event::one_event;	3697	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3698	EV::loop EV::LOOP_ONESHOT;
2572	})->prio (Coro::PRIO_MAX);	3699	})->prio (Coro::PRIO_MAX);
2573	};	3700	};
2574		3701
2575	cfg_load;	3702	evthread_start IO::AIO::poll_fileno;
		3703
		3704	cf::sync_job {
		3705	cf::incloader::init ();
		3706
		3707	cf::init_anim;
		3708	cf::init_attackmess;
		3709	cf::init_dynamic;
		3710
		3711	cf::load_settings;
		3712
		3713	reload_resources;
		3714	reload_config;
2576	db_init;	3715	db_init;
		3716
		3717	cf::init_uuid;
		3718	cf::init_signals;
		3719	cf::init_skills;
		3720
		3721	cf::init_beforeplay;
		3722
		3723	atomic;
		3724
2577	load_extensions;	3725	load_extensions;
2578		3726
2579	$TICK_WATCHER->start;	3727	utime time, time, $RUNTIMEFILE;
2580	Event::loop;	3728
		3729	# no (long-running) fork's whatsoever before this point(!)
		3730	use POSIX ();
		3731	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3732
		3733	cf::_post_init 0;
		3734	};
		3735
		3736	cf::object::thawer::errors_are_fatal 0;
		3737	info "parse errors in files are no longer fatal from this point on.\n";
		3738
		3739	my $free_main; $free_main = EV::idle sub {
		3740	undef $free_main;
		3741	undef &main; # free gobs of memory :)
		3742	};
		3743
		3744	goto &main_loop;
2581	}	3745	}
2582		3746
2583	#############################################################################	3747	#############################################################################
2584	# initialisation and cleanup	3748	# initialisation and cleanup
2585		3749
2586	# install some emergency cleanup handlers	3750	# install some emergency cleanup handlers
2587	BEGIN {	3751	BEGIN {
		3752	our %SIGWATCHER = ();
2588	for my $signal (qw(INT HUP TERM)) {	3753	for my $signal (qw(INT HUP TERM)) {
2589	Event->signal (	3754	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2590	reentrant => 0,
2591	data => WF_AUTOCANCEL,
2592	signal => $signal,
2593	prio => 0,
2594	cb => sub {
2595	cf::cleanup "SIG$signal";	3755	cf::cleanup "SIG$signal";
2596	},
2597	);	3756	};
		3757	}
		3758	}
		3759
		3760	sub write_runtime_sync {
		3761	my $t0 = AE::time;
		3762
		3763	# first touch the runtime file to show we are still running:
		3764	# the fsync below can take a very very long time.
		3765
		3766	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3767
		3768	my $guard = cf::lock_acquire "write_runtime";
		3769
		3770	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3771	or return;
		3772
		3773	my $value = $cf::RUNTIME + 90 + 10;
		3774	# 10 is the runtime save interval, for a monotonic clock
		3775	# 60 allows for the watchdog to kill the server.
		3776
		3777	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3778	and return;
		3779
		3780	# always fsync - this file is important
		3781	aio_fsync $fh
		3782	and return;
		3783
		3784	# touch it again to show we are up-to-date
		3785	aio_utime $fh, undef, undef;
		3786
		3787	close $fh
		3788	or return;
		3789
		3790	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3791	and return;
		3792
		3793	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3794
2598	}	3795	1
		3796	}
		3797
		3798	our $uuid_lock;
		3799	our $uuid_skip;
		3800
		3801	sub write_uuid_sync($) {
		3802	$uuid_skip ||= $_[0];
		3803
		3804	return if $uuid_lock;
		3805	local $uuid_lock = 1;
		3806
		3807	my $uuid = "$LOCALDIR/uuid";
		3808
		3809	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3810	or return;
		3811
		3812	my $value = uuid_seq uuid_cur;
		3813
		3814	unless ($value) {
		3815	info "cowardly refusing to write zero uuid value!\n";
		3816	return;
		3817	}
		3818
		3819	my $value = uuid_str $value + $uuid_skip;
		3820	$uuid_skip = 0;
		3821
		3822	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3823	and return;
		3824
		3825	# always fsync - this file is important
		3826	aio_fsync $fh
		3827	and return;
		3828
		3829	close $fh
		3830	or return;
		3831
		3832	aio_rename "$uuid~", $uuid
		3833	and return;
		3834
		3835	trace "uuid file written ($value).\n";
		3836
		3837	1
		3838
		3839	}
		3840
		3841	sub write_uuid($$) {
		3842	my ($skip, $sync) = @_;
		3843
		3844	$sync ? write_uuid_sync $skip
		3845	: async { write_uuid_sync $skip };
2599	}	3846	}
2600		3847
2601	sub emergency_save() {	3848	sub emergency_save() {
2602	my $freeze_guard = cf::freeze_mainloop;	3849	my $freeze_guard = cf::freeze_mainloop;
2603		3850
2604	warn "enter emergency perl save\n";	3851	info "emergency_perl_save: enter\n";
		3852
		3853	# this is a trade-off: we want to be very quick here, so
		3854	# save all maps without fsync, and later call a global sync
		3855	# (which in turn might be very very slow)
		3856	local $USE_FSYNC = 0;
2605		3857
2606	cf::sync_job {	3858	cf::sync_job {
		3859	cf::write_runtime_sync; # external watchdog should not bark
		3860
2607	# use a peculiar iteration method to avoid tripping on perl	3861	# use a peculiar iteration method to avoid tripping on perl
2608	# refcount bugs in for. also avoids problems with players	3862	# refcount bugs in for. also avoids problems with players
2609	# and maps saved/destroyed asynchronously.	3863	# and maps saved/destroyed asynchronously.
2610	warn "begin emergency player save\n";	3864	info "emergency_perl_save: begin player save\n";
2611	for my $login (keys %cf::PLAYER) {	3865	for my $login (keys %cf::PLAYER) {
2612	my $pl = $cf::PLAYER{$login} or next;	3866	my $pl = $cf::PLAYER{$login} or next;
2613	$pl->valid or next;	3867	$pl->valid or next;
		3868	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2614	$pl->save;	3869	$pl->save;
2615	}	3870	}
2616	warn "end emergency player save\n";	3871	info "emergency_perl_save: end player save\n";
2617		3872
2618	warn "begin emergency map save\n";	3873	cf::write_runtime_sync; # external watchdog should not bark
		3874
		3875	info "emergency_perl_save: begin map save\n";
2619	for my $path (keys %cf::MAP) {	3876	for my $path (keys %cf::MAP) {
2620	my $map = $cf::MAP{$path} or next;	3877	my $map = $cf::MAP{$path} or next;
2621	$map->valid or next;	3878	$map->valid or next;
2622	$map->save;	3879	$map->save;
2623	}	3880	}
2624	warn "end emergency map save\n";	3881	info "emergency_perl_save: end map save\n";
2625		3882
2626	warn "begin emergency database checkpoint\n";	3883	cf::write_runtime_sync; # external watchdog should not bark
		3884
		3885	info "emergency_perl_save: begin database checkpoint\n";
2627	BDB::db_env_txn_checkpoint $DB_ENV;	3886	BDB::db_env_txn_checkpoint $DB_ENV;
2628	warn "end emergency database checkpoint\n";	3887	info "emergency_perl_save: end database checkpoint\n";
		3888
		3889	info "emergency_perl_save: begin write uuid\n";
		3890	write_uuid_sync 1;
		3891	info "emergency_perl_save: end write uuid\n";
		3892
		3893	cf::write_runtime_sync; # external watchdog should not bark
		3894
		3895	trace "emergency_perl_save: syncing database to disk";
		3896	BDB::db_env_txn_checkpoint $DB_ENV;
		3897
		3898	info "emergency_perl_save: starting sync\n";
		3899	IO::AIO::aio_sync sub {
		3900	info "emergency_perl_save: finished sync\n";
		3901	};
		3902
		3903	cf::write_runtime_sync; # external watchdog should not bark
		3904
		3905	trace "emergency_perl_save: flushing outstanding aio requests";
		3906	while (IO::AIO::nreqs || BDB::nreqs) {
		3907	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3908	}
		3909
		3910	cf::write_runtime_sync; # external watchdog should not bark
2629	};	3911	};
2630		3912
2631	warn "leave emergency perl save\n";	3913	info "emergency_perl_save: leave\n";
2632	}	3914	}
2633		3915
2634	sub post_cleanup {	3916	sub post_cleanup {
2635	my ($make_core) = @_;	3917	my ($make_core) = @_;
2636		3918
		3919	IO::AIO::flush;
		3920
2637	warn Carp::longmess "post_cleanup backtrace"	3921	error Carp::longmess "post_cleanup backtrace"
2638	if $make_core;	3922	if $make_core;
		3923
		3924	my $fh = pidfile;
		3925	unlink $PIDFILE if <$fh> == $$;
		3926	}
		3927
		3928	# a safer delete_package, copied from Symbol
		3929	sub clear_package($) {
		3930	my $pkg = shift;
		3931
		3932	# expand to full symbol table name if needed
		3933	unless ($pkg =~ /^main::.*::$/) {
		3934	$pkg = "main$pkg" if $pkg =~ /^::/;
		3935	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3936	$pkg .= '::' unless $pkg =~ /::$/;
		3937	}
		3938
		3939	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3940	my $stem_symtab = *{$stem}{HASH};
		3941
		3942	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3943	or return;
		3944
		3945	# clear all symbols
		3946	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3947	for my $name (keys %$leaf_symtab) {
		3948	_gv_clear *{"$pkg$name"};
		3949	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3950	}
2639	}	3951	}
2640		3952
2641	sub do_reload_perl() {	3953	sub do_reload_perl() {
2642	# can/must only be called in main	3954	# can/must only be called in main
2643	if ($Coro::current != $Coro::main) {	3955	unless (in_main) {
2644	warn "can only reload from main coroutine";	3956	error "can only reload from main coroutine";
2645	return;	3957	return;
2646	}	3958	}
2647		3959
2648	warn "reloading...";	3960	return if $RELOAD++;
2649		3961
2650	warn "entering sync_job";	3962	my $t1 = AE::time;
2651		3963
		3964	while ($RELOAD) {
		3965	cf::get_slot 0.1, -1, "reload_perl";
		3966	info "perl_reload: reloading...";
		3967
		3968	trace "perl_reload: entering sync_job";
		3969
2652	cf::sync_job {	3970	cf::sync_job {
2653	cf::write_runtime; # external watchdog should not bark
2654	cf::emergency_save;	3971	#cf::emergency_save;
2655	cf::write_runtime; # external watchdog should not bark
2656		3972
2657	warn "syncing database to disk";
2658	BDB::db_env_txn_checkpoint $DB_ENV;
2659
2660	# if anything goes wrong in here, we should simply crash as we already saved
2661
2662	warn "cancelling all WF_AUTOCANCEL watchers";
2663	for (Event::all_watchers) {
2664	$_->cancel if $_->data & WF_AUTOCANCEL;
2665	}
2666
2667	warn "flushing outstanding aio requests";
2668	for (;;) {
2669	BDB::flush;
2670	IO::AIO::flush;
2671	Coro::cede;
2672	last unless IO::AIO::nreqs || BDB::nreqs;
2673	warn "iterate...";
2674	}
2675
2676	++$RELOAD;
2677
2678	warn "cancelling all extension coros";	3973	trace "perl_reload: cancelling all extension coros";
2679	$_->cancel for values %EXT_CORO;	3974	$_->cancel for values %EXT_CORO;
2680	%EXT_CORO = ();	3975	%EXT_CORO = ();
2681		3976
2682	warn "removing commands";	3977	trace "perl_reload: removing commands";
2683	%COMMAND = ();	3978	%COMMAND = ();
2684		3979
2685	warn "removing ext commands";	3980	trace "perl_reload: removing ext/exti commands";
2686	%EXTCMD = ();	3981	%EXTCMD = ();
		3982	%EXTICMD = ();
2687		3983
2688	warn "unloading/nuking all extensions";	3984	trace "perl_reload: unloading/nuking all extensions";
2689	for my $pkg (@EXTS) {	3985	for my $pkg (@EXTS) {
2690	warn "... unloading $pkg";	3986	trace "... unloading $pkg";
2691		3987
2692	if (my $cb = $pkg->can ("unload")) {	3988	if (my $cb = $pkg->can ("unload")) {
2693	eval {	3989	eval {
2694	$cb->($pkg);	3990	$cb->($pkg);
2695	1	3991	1
2696	} or warn "$pkg unloaded, but with errors: $@";	3992	} or error "$pkg unloaded, but with errors: $@";
		3993	}
		3994
		3995	trace "... clearing $pkg";
		3996	clear_package $pkg;
2697	}	3997	}
2698		3998
2699	warn "... nuking $pkg";
2700	Symbol::delete_package $pkg;
2701	}
2702
2703	warn "unloading all perl modules loaded from $LIBDIR";	3999	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2704	while (my ($k, $v) = each %INC) {	4000	while (my ($k, $v) = each %INC) {
2705	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4001	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2706		4002
2707	warn "... unloading $k";	4003	trace "... unloading $k";
2708	delete $INC{$k};	4004	delete $INC{$k};
2709		4005
2710	$k =~ s/\.pm$//;	4006	$k =~ s/\.pm$//;
2711	$k =~ s/\//::/g;	4007	$k =~ s/\//::/g;
2712		4008
2713	if (my $cb = $k->can ("unload_module")) {	4009	if (my $cb = $k->can ("unload_module")) {
2714	$cb->();	4010	$cb->();
		4011	}
		4012
		4013	clear_package $k;
2715	}	4014	}
2716		4015
2717	Symbol::delete_package $k;
2718	}
2719
2720	warn "getting rid of safe::, as good as possible";	4016	trace "perl_reload: getting rid of safe::, as good as possible";
2721	Symbol::delete_package "safe::$_"	4017	clear_package "safe::$_"
2722	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4018	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2723		4019
2724	warn "unloading cf.pm \"a bit\"";	4020	trace "perl_reload: unloading cf.pm \"a bit\"";
2725	delete $INC{"cf.pm"};	4021	delete $INC{"cf.pm"};
2726	delete $INC{"cf/pod.pm"};	4022	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2727		4023
2728	# don't, removes xs symbols, too,	4024	# don't, removes xs symbols, too,
2729	# and global variables created in xs	4025	# and global variables created in xs
2730	#Symbol::delete_package __PACKAGE__;	4026	#clear_package __PACKAGE__;
2731		4027
2732	warn "unload completed, starting to reload now";	4028	info "perl_reload: unload completed, starting to reload now";
2733		4029
2734	warn "reloading cf.pm";	4030	trace "perl_reload: reloading cf.pm";
2735	require cf;	4031	require cf;
2736	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4032	cf::_connect_to_perl_1;
2737		4033
2738	warn "loading config and database again";	4034	trace "perl_reload: loading config and database again";
2739	cf::cfg_load;	4035	cf::reload_config;
2740		4036
2741	warn "loading extensions";	4037	trace "perl_reload: loading extensions";
2742	cf::load_extensions;	4038	cf::load_extensions;
2743		4039
		4040	if ($REATTACH_ON_RELOAD) {
2744	warn "reattaching attachments to objects/players";	4041	trace "perl_reload: reattaching attachments to objects/players";
2745	_global_reattach; # objects, sockets	4042	_global_reattach; # objects, sockets
2746	warn "reattaching attachments to maps";	4043	trace "perl_reload: reattaching attachments to maps";
2747	reattach $_ for values %MAP;	4044	reattach $_ for values %MAP;
2748	warn "reattaching attachments to players";	4045	trace "perl_reload: reattaching attachments to players";
2749	reattach $_ for values %PLAYER;	4046	reattach $_ for values %PLAYER;
		4047	}
2750		4048
2751	warn "leaving sync_job";	4049	cf::_post_init 1;
2752		4050
		4051	trace "perl_reload: leaving sync_job";
		4052
2753	1	4053	1
2754	} or do {	4054	} or do {
2755	warn $@;	4055	error $@;
2756	warn "error while reloading, exiting.";	4056	cf::cleanup "perl_reload: error, exiting.";
2757	exit 1;	4057	};
		4058
		4059	--$RELOAD;
2758	};	4060	}
2759		4061
2760	warn "reloaded";	4062	$t1 = AE::time - $t1;
		4063	info "perl_reload: completed in ${t1}s\n";
2761	};	4064	};
2762		4065
2763	our $RELOAD_WATCHER; # used only during reload	4066	our $RELOAD_WATCHER; # used only during reload
2764		4067
2765	sub reload_perl() {	4068	sub reload_perl() {
2766	# doing reload synchronously and two reloads happen back-to-back,	4069	# doing reload synchronously and two reloads happen back-to-back,
2767	# coro crashes during coro_state_free->destroy here.	4070	# coro crashes during coro_state_free->destroy here.
2768		4071
2769	$RELOAD_WATCHER ||= Event->timer (	4072	$RELOAD_WATCHER ||= cf::async {
2770	reentrant => 0,	4073	Coro::AIO::aio_wait cache_extensions;
2771	after => 0,	4074
2772	data => WF_AUTOCANCEL,	4075	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2773	cb => sub {
2774	do_reload_perl;	4076	do_reload_perl;
2775	undef $RELOAD_WATCHER;	4077	undef $RELOAD_WATCHER;
2776	},	4078	};
2777	);	4079	};
2778	}	4080	}
2779		4081
2780	register_command "reload" => sub {	4082	register_command "reload" => sub {
2781	my ($who, $arg) = @_;	4083	my ($who, $arg) = @_;
2782		4084
2783	if ($who->flag (FLAG_WIZ)) {	4085	if ($who->flag (FLAG_WIZ)) {
2784	$who->message ("reloading server.");	4086	$who->message ("reloading server.");
		4087	async {
		4088	$Coro::current->{desc} = "perl_reload";
2785	async { reload_perl };	4089	reload_perl;
		4090	};
2786	}	4091	}
2787	};	4092	};
2788		4093
2789	unshift @INC, $LIBDIR;	4094	#############################################################################
2790		4095
2791	my $bug_warning = 0;	4096	my $bug_warning = 0;
2792		4097
2793	our @WAIT_FOR_TICK;	4098	our @WAIT_FOR_TICK;
2794	our @WAIT_FOR_TICK_BEGIN;	4099	our @WAIT_FOR_TICK_BEGIN;
2795		4100
2796	sub wait_for_tick {	4101	sub wait_for_tick() {
2797	return unless $TICK_WATCHER->is_active;
2798	return if $Coro::current == $Coro::main;	4102	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2799		4103
2800	my $signal = new Coro::Signal;	4104	my $signal = new Coro::Signal;
2801	push @WAIT_FOR_TICK, $signal;	4105	push @WAIT_FOR_TICK, $signal;
2802	$signal->wait;	4106	$signal->wait;
2803	}	4107	}
2804		4108
2805	sub wait_for_tick_begin {	4109	sub wait_for_tick_begin() {
2806	return unless $TICK_WATCHER->is_active;
2807	return if $Coro::current == $Coro::main;	4110	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2808		4111
2809	my $signal = new Coro::Signal;	4112	my $signal = new Coro::Signal;
2810	push @WAIT_FOR_TICK_BEGIN, $signal;	4113	push @WAIT_FOR_TICK_BEGIN, $signal;
2811	$signal->wait;	4114	$signal->wait;
2812	}	4115	}
2813		4116
2814	$TICK_WATCHER = Event->timer (	4117	sub tick {
2815	reentrant => 0,
2816	parked => 1,
2817	prio => 0,
2818	at => $NEXT_TICK || $TICK,
2819	data => WF_AUTOCANCEL,
2820	cb => sub {
2821	if ($Coro::current != $Coro::main) {	4118	if ($Coro::current != $Coro::main) {
2822	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4119	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2823	unless ++$bug_warning > 10;	4120	unless ++$bug_warning > 10;
2824	return;	4121	return;
2825	}	4122	}
2826		4123
2827	$NOW = Event::time;
2828
2829	cf::server_tick; # one server iteration	4124	cf::server_tick; # one server iteration
2830		4125
2831	$RUNTIME += $TICK;	4126	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2832	$NEXT_TICK += $TICK;
2833		4127
2834	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4128	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2835	$NEXT_RUNTIME_WRITE = $NOW + 10;	4129	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2836	Coro::async_pool {	4130	Coro::async_pool {
		4131	$Coro::current->{desc} = "runtime saver";
2837	write_runtime	4132	write_runtime_sync
2838	or warn "ERROR: unable to write runtime file: $!";	4133	or error "ERROR: unable to write runtime file: $!";
2839	};
2840	}	4134	};
		4135	}
2841		4136
2842	# my $AFTER = Event::time;
2843	# warn $AFTER - $NOW;#d#
2844
2845	# if we are delayed by four ticks or more, skip them all
2846	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2847
2848	$TICK_WATCHER->at ($NEXT_TICK);
2849	$TICK_WATCHER->start;
2850
2851	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4137	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2852	$sig->send;	4138	$sig->send;
2853	}	4139	}
2854	while (my $sig = shift @WAIT_FOR_TICK) {	4140	while (my $sig = shift @WAIT_FOR_TICK) {
2855	$sig->send;	4141	$sig->send;
2856	}
2857
2858	_post_tick;
2859	},	4142	}
2860	);	4143
		4144	$LOAD = ($NOW - $TICK_START) / $TICK;
		4145	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4146
		4147	if (0) {
		4148	if ($NEXT_TICK) {
		4149	my $jitter = $TICK_START - $NEXT_TICK;
		4150	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4151	debug "jitter $JITTER\n";#d#
		4152	}
		4153	}
		4154	}
2861		4155
2862	{	4156	{
2863	BDB::max_poll_time $TICK * 0.1;	4157	# configure BDB
2864	$BDB_POLL_WATCHER = Event->io (	4158
2865	reentrant => 0,
2866	fd => BDB::poll_fileno,
2867	poll => 'r',
2868	prio => 0,
2869	data => WF_AUTOCANCEL,
2870	cb => \&BDB::poll_cb,
2871	);
2872	BDB::min_parallel 8;	4159	BDB::min_parallel 16;
2873		4160	BDB::max_poll_reqs $TICK * 0.1;
2874	BDB::set_sync_prepare {	4161	$AnyEvent::BDB::WATCHER->priority (1);
2875	my $status;
2876	my $current = $Coro::current;
2877	(
2878	sub {
2879	$status = $!;
2880	$current->ready; undef $current;
2881	},
2882	sub {
2883	Coro::schedule while defined $current;
2884	$! = $status;
2885	},
2886	)
2887	};
2888		4162
2889	unless ($DB_ENV) {	4163	unless ($DB_ENV) {
2890	$DB_ENV = BDB::db_env_create;	4164	$DB_ENV = BDB::db_env_create;
		4165	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4166	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4167	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4168	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4169	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2891		4170
2892	cf::sync_job {	4171	cf::sync_job {
2893	eval {	4172	eval {
2894	BDB::db_env_open	4173	BDB::db_env_open
2895	$DB_ENV,	4174	$DB_ENV,
…		…
2897	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4176	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2898	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4177	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2899	0666;	4178	0666;
2900		4179
2901	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4180	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2902
2903	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2904	$DB_ENV->set_lk_detect;
2905	};	4181	};
2906		4182
2907	cf::cleanup "db_env_open(db): $@" if $@;	4183	cf::cleanup "db_env_open(db): $@" if $@;
2908	};	4184	};
2909	}	4185	}
		4186
		4187	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4188	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4189	};
		4190	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4191	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4192	};
		4193	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4194	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4195	};
2910	}	4196	}
2911		4197
2912	{	4198	{
		4199	# configure IO::AIO
		4200
2913	IO::AIO::min_parallel 8;	4201	IO::AIO::min_parallel 8;
2914
2915	undef $Coro::AIO::WATCHER;
2916	IO::AIO::max_poll_time $TICK * 0.1;	4202	IO::AIO::max_poll_time $TICK * 0.1;
2917	$AIO_POLL_WATCHER = Event->io (	4203	undef $AnyEvent::AIO::WATCHER;
2918	reentrant => 0,	4204	}
2919	data => WF_AUTOCANCEL,	4205
2920	fd => IO::AIO::poll_fileno,	4206	our $_log_backtrace;
2921	poll => 'r',	4207	our $_log_backtrace_last;
2922	prio => 6,	4208
2923	cb => \&IO::AIO::poll_cb,	4209	sub _log_backtrace {
2924	);	4210	my ($msg, @addr) = @_;
		4211
		4212	$msg =~ s/\n$//;
		4213
		4214	if ($_log_backtrace_last eq $msg) {
		4215	LOG llevInfo, "[ABT] $msg\n";
		4216	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4217	# limit the # of concurrent backtraces
		4218	} elsif ($_log_backtrace < 2) {
		4219	$_log_backtrace_last = $msg;
		4220	++$_log_backtrace;
		4221	my $perl_bt = Carp::longmess $msg;
		4222	async {
		4223	$Coro::current->{desc} = "abt $msg";
		4224
		4225	my @bt = fork_call {
		4226	@addr = map { sprintf "%x", $_ } @addr;
		4227	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4228	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4229	or die "addr2line: $!";
		4230
		4231	my @funcs;
		4232	my @res = <$fh>;
		4233	chomp for @res;
		4234	while (@res) {
		4235	my ($func, $line) = splice @res, 0, 2, ();
		4236	push @funcs, "[$func] $line";
		4237	}
		4238
		4239	@funcs
		4240	};
		4241
		4242	LOG llevInfo, "[ABT] $perl_bt\n";
		4243	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4244	LOG llevInfo, "[ABT] $_\n" for @bt;
		4245	--$_log_backtrace;
		4246	};
		4247	} else {
		4248	LOG llevInfo, "[ABT] $msg\n";
		4249	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4250	}
2925	}	4251	}
2926		4252
2927	# load additional modules	4253	# load additional modules
2928	use cf::pod;	4254	require "cf/$_.pm" for @EXTRA_MODULES;
		4255	cf::_connect_to_perl_2;
2929		4256
2930	END { cf::emergency_save }	4257	END { cf::emergency_save }
2931		4258
2932	1	4259	1
2933		4260

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