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Revision 1.259 by root, Sat Apr 21 17:46:39 2007 UTC vs.
Revision 1.566 by root, Sun May 1 16:58:16 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-\x08\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	#
…		…
1290	# {... are special paths that are not being touched	1954	# {... are special paths that are not being touched
1291	# ?xxx/... are special absolute paths	1955	# ?xxx/... are special absolute paths
1292	# ?random/... random maps	1956	# ?random/... random maps
1293	# /... normal maps	1957	# /... normal maps
1294	# ~user/... per-player map of a specific user	1958	# ~user/... per-player map of a specific user
		1959	# !up !down for quad maps, or other maps with up/down layers
1295		1960
1296	$path =~ s/$PATH_SEP/\//go;	1961	$path =~ s/$PATH_SEP/\//go;
1297		1962
1298	# treat it as relative path if it starts with	1963	# treat it as relative path if it starts with
1299	# something that looks reasonable	1964	# something that looks reasonable
1300	if ($path =~ m{^(?:\./|\.\./|\w)}) {	1965	if ($path =~ m{^(?:\./|\.\./|\w)}) {
1301	$base or Carp::carp "normalise called with relative path and no base: '$path'";	1966	$base or Carp::carp "normalise called with relative path and no base: '$path'";
1302		1967
1303	$base =~ s{[^/]+/?$}{};	1968	$base =~ s{[^/]+/?$}{};
1304	$path = "$base/$path";	1969	$path = "$base/$path";
		1970
		1971	} elsif ($path eq '!up') {
		1972	$base && ref $base
		1973	or Carp::carp "normalise called with relative tile path and no base: '$path'";
		1974
		1975	my $uppth = $base->tile_path (cf::TILE_UP);
		1976	$path = $uppth if $uppth;
		1977
		1978	} elsif ($path eq '!down') {
		1979	$base && ref $base
		1980	or Carp::carp "normalise called with relative tile path and no base: '$path'";
		1981
		1982	my $dpth = $base->tile_path (cf::TILE_DOWN);
		1983	$path = $dpth if $dpth;
1305	}	1984	}
1306		1985
1307	for ($path) {	1986	for ($path) {
1308	redo if s{//}{/};
1309	redo if s{/\.?/}{/};	1987	redo if s{/\.?/}{/};
1310	redo if s{/[^/]+/\.\./}{/};	1988	redo if s{/[^/]+/\.\./}{/};
1311	}	1989	}
1312		1990
1313	$path	1991	$path
…		…
1327	$self->init; # pass $1 etc.	2005	$self->init; # pass $1 etc.
1328	return $self;	2006	return $self;
1329	}	2007	}
1330	}	2008	}
1331		2009
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	2010	Carp::cluck "unable to resolve path '$path' (base '$base')";
1333	()	2011	()
1334	}	2012	}
1335		2013
		2014	# may re-bless or do other evil things
1336	sub init {	2015	sub init {
1337	my ($self) = @_;	2016	my ($self) = @_;
1338		2017
1339	$self	2018	$self
1340	}	2019	}
…		…
1359		2038
1360	# the temporary/swap location	2039	# the temporary/swap location
1361	sub save_path {	2040	sub save_path {
1362	my ($self) = @_;	2041	my ($self) = @_;
1363		2042
1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2043	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365	"$TMPDIR/$path.map"	2044	"$TMPDIR/$path.map"
1366	}	2045	}
1367		2046
1368	# the unique path, undef == no special unique path	2047	# the unique path, undef == no special unique path
1369	sub uniq_path {	2048	sub uniq_path {
1370	my ($self) = @_;	2049	my ($self) = @_;
1371		2050
1372	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2051	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373	"$UNIQUEDIR/$path"	2052	"$UNIQUEDIR/$path"
1374	}	2053	}
1375		2054
1376	# and all this just because we cannot iterate over	2055	sub decay_objects {
1377	# all maps in C++...
1378	sub change_all_map_light {
1379	my ($change) = @_;	2056	my ($self) = @_;
1380		2057
1381	$_->change_map_light ($change)	2058	return if $self->{deny_reset};
1382	for grep $_->outdoor, values %cf::MAP;	2059
		2060	$self->do_decay_objects;
1383	}	2061	}
1384		2062
1385	sub unlink_save {	2063	sub unlink_save {
1386	my ($self) = @_;	2064	my ($self) = @_;
1387		2065
…		…
1392		2070
1393	sub load_header_from($) {	2071	sub load_header_from($) {
1394	my ($self, $path) = @_;	2072	my ($self, $path) = @_;
1395		2073
1396	utf8::encode $path;	2074	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	2075	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	2076	or return;
1402		2077
		2078	$self->_load_header ($f)
		2079	or return;
		2080
		2081	local $MAP_LOADING{$self->{path}} = $self;
		2082	$f->resolve_delayed_derefs;
		2083
1403	$self->{load_path} = $path;	2084	$self->{load_path} = $path;
1404		2085
1405	1	2086	1
1406	}	2087	}
1407		2088
		2089	# used to laod the header of an original map
1408	sub load_header_orig {	2090	sub load_header_orig {
1409	my ($self) = @_;	2091	my ($self) = @_;
1410		2092
1411	$self->load_header_from ($self->load_path)	2093	$self->load_header_from ($self->load_path)
1412	}	2094	}
1413		2095
		2096	# used to laod the header of an instantiated map
1414	sub load_header_temp {	2097	sub load_header_temp {
1415	my ($self) = @_;	2098	my ($self) = @_;
1416		2099
1417	$self->load_header_from ($self->save_path)	2100	$self->load_header_from ($self->save_path)
1418	}	2101	}
1419		2102
		2103	# called after loading the header from an instantiated map
1420	sub prepare_temp {	2104	sub prepare_temp {
1421	my ($self) = @_;	2105	my ($self) = @_;
1422		2106
1423	$self->last_access ((delete $self->{last_access})	2107	$self->last_access ((delete $self->{last_access})
1424	|| $cf::RUNTIME); #d#	2108	|| $cf::RUNTIME); #d#
1425	# safety	2109	# safety
1426	$self->{instantiate_time} = $cf::RUNTIME	2110	$self->{instantiate_time} = $cf::RUNTIME
1427	if $self->{instantiate_time} > $cf::RUNTIME;	2111	if $self->{instantiate_time} > $cf::RUNTIME;
1428	}	2112	}
1429		2113
		2114	# called after loading the header from an original map
1430	sub prepare_orig {	2115	sub prepare_orig {
1431	my ($self) = @_;	2116	my ($self) = @_;
1432		2117
1433	$self->{load_original} = 1;	2118	$self->{load_original} = 1;
1434	$self->{instantiate_time} = $cf::RUNTIME;	2119	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1445	$self->load_header_orig	2130	$self->load_header_orig
1446	or return;	2131	or return;
1447	$self->prepare_orig;	2132	$self->prepare_orig;
1448	}	2133	}
1449		2134
		2135	$self->{deny_reset} = 1
		2136	if $self->no_reset;
		2137
1450	$self->default_region (cf::region::find_by_path $self->{path})	2138	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	2139	unless $self->default_region;
1452		2140
1453	1	2141	1
1454	}	2142	}
1455		2143
1456	sub find;	2144	sub find;
1457	sub find {	2145	sub find {
1458	my ($path, $origin) = @_;	2146	my ($path, $origin) = @_;
1459		2147
		2148	cf::cede_to_tick;
		2149
1460	$path = normalise $path, $origin && $origin->path;	2150	$path = normalise $path, $origin;
1461		2151
		2152	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	2153	my $guard2 = cf::lock_acquire "map_find:$path";
1463		2154
1464	$cf::MAP{$path} || do {	2155	$cf::MAP{$path} || do {
1465	my $guard = cf::lock_acquire "map_find:$path";
1466	my $map = new_from_path cf::map $path	2156	my $map = new_from_path cf::map $path
1467	or return;	2157	or return;
1468		2158
1469	$map->{last_save} = $cf::RUNTIME;	2159	$map->{last_save} = $cf::RUNTIME;
1470		2160
1471	$map->load_header	2161	$map->load_header
1472	or return;	2162	or return;
1473		2163
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2164	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	2165	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	2166	#$cf::WAIT_FOR_TICK->wait;
		2167	undef $guard2;
		2168	undef $guard1;
1477	$map->reset;	2169	$map->reset;
1478	undef $guard;
1479	return find $path;	2170	return find $path;
1480	}	2171	}
1481		2172
1482	$cf::MAP{$path} = $map	2173	$cf::MAP{$path} = $map
1483	}	2174	}
1484	}	2175	}
1485		2176
1486	sub pre_load { }	2177	sub pre_load { }
1487	sub post_load { }	2178	#sub post_load { } # XS
1488		2179
1489	sub load {	2180	sub load {
1490	my ($self) = @_;	2181	my ($self) = @_;
1491		2182
1492	local $self->{deny_reset} = 1; # loading can take a long time	2183	local $self->{deny_reset} = 1; # loading can take a long time
1493		2184
1494	my $path = $self->{path};	2185	my $path = $self->{path};
1495		2186
1496	{	2187	{
1497	my $guard = cf::lock_acquire "map_load:$path";	2188	my $guard = cf::lock_acquire "map_data:$path";
1498		2189
		2190	return unless $self->valid;
1499	return if $self->in_memory != cf::MAP_SWAPPED;	2191	return unless $self->in_memory == cf::MAP_SWAPPED;
1500		2192
1501	$self->in_memory (cf::MAP_LOADING);	2193	$self->in_memory (cf::MAP_LOADING);
1502		2194
1503	$self->alloc;	2195	$self->alloc;
1504		2196
1505	$self->pre_load;	2197	$self->pre_load;
1506	Coro::cede;	2198	cf::cede_to_tick;
1507		2199
1508	$self->_load_objects ($self->{load_path}, 1)	2200	if (exists $self->{load_path}) {
		2201	my $f = new_from_file cf::object::thawer $self->{load_path};
		2202	$f->skip_block;
		2203	$self->_load_objects ($f)
1509	or return;	2204	or return;
1510		2205
1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2206	$self->post_load_original
1512	if delete $self->{load_original};	2207	if delete $self->{load_original};
1513		2208
1514	if (my $uniq = $self->uniq_path) {	2209	if (my $uniq = $self->uniq_path) {
1515	utf8::encode $uniq;	2210	utf8::encode $uniq;
1516	if (aio_open $uniq, O_RDONLY, 0) {	2211	unless (aio_stat $uniq) {
		2212	if (my $f = new_from_file cf::object::thawer $uniq) {
1517	$self->clear_unique_items;	2213	$self->clear_unique_items;
1518	$self->_load_objects ($uniq, 0);	2214	$self->_load_objects ($f);
		2215	$f->resolve_delayed_derefs;
		2216	}
		2217	}
1519	}	2218	}
1520	}
1521		2219
1522	Coro::cede;	2220	$f->resolve_delayed_derefs;
		2221	} else {
		2222	$self->post_load_original
		2223	if delete $self->{load_original};
		2224	}
		2225
		2226	cf::cede_to_tick;
1523	# now do the right thing for maps	2227	# now do the right thing for maps
1524	$self->link_multipart_objects;	2228	$self->link_multipart_objects;
1525	$self->difficulty ($self->estimate_difficulty)	2229	$self->difficulty ($self->estimate_difficulty)
1526	unless $self->difficulty;	2230	unless $self->difficulty;
1527	Coro::cede;	2231	cf::cede_to_tick;
1528		2232
1529	unless ($self->{deny_activate}) {	2233	unless ($self->{deny_activate}) {
1530	$self->decay_objects;	2234	$self->decay_objects;
1531	$self->fix_auto_apply;	2235	$self->fix_auto_apply;
1532	$self->update_buttons;	2236	$self->update_buttons;
1533	Coro::cede;	2237	cf::cede_to_tick;
1534	$self->set_darkness_map;
1535	Coro::cede;
1536	$self->activate;	2238	$self->activate;
1537	}	2239	}
1538		2240
		2241	$self->{last_save} = $cf::RUNTIME;
		2242	$self->last_access ($cf::RUNTIME);
		2243
1539	$self->in_memory (cf::MAP_IN_MEMORY);	2244	$self->in_memory (cf::MAP_ACTIVE);
1540	}	2245	}
1541		2246
1542	$self->post_load;	2247	$self->post_load;
1543	}
1544		2248
		2249	1
		2250	}
		2251
		2252	# customize the map for a given player, i.e.
		2253	# return the _real_ map. used by e.g. per-player
		2254	# maps to change the path to ~playername/mappath
1545	sub customise_for {	2255	sub customise_for {
1546	my ($self, $ob) = @_;	2256	my ($self, $ob) = @_;
1547		2257
1548	return find "~" . $ob->name . "/" . $self->{path}	2258	return find "~" . $ob->name . "/" . $self->{path}
1549	if $self->per_player;	2259	if $self->per_player;
1550		2260
		2261	# return find "?party/" . $ob->name . "/" . $self->{path}
		2262	# if $self->per_party;
		2263
1551	$self	2264	$self
1552	}	2265	}
1553		2266
1554	# find and load all maps in the 3x3 area around a map	2267	# find and load all maps in the 3x3 area around a map
1555	sub load_diag {	2268	sub load_neighbours {
1556	my ($map) = @_;	2269	my ($map) = @_;
1557		2270
1558	my @diag; # diagonal neighbours	2271	my @neigh; # diagonal neighbours
1559		2272
1560	for (0 .. 3) {	2273	for (0 .. 3) {
1561	my $neigh = $map->tile_path ($_)	2274	my $neigh = $map->tile_path ($_)
1562	or next;	2275	or next;
1563	$neigh = find $neigh, $map	2276	$neigh = find $neigh, $map
1564	or next;	2277	or next;
1565	$neigh->load;	2278	$neigh->load;
1566		2279
		2280	# now find the diagonal neighbours
		2281	push @neigh,
1567	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2282	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1568	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2283	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1569	}	2284	}
1570		2285
1571	for (@diag) {	2286	for (grep defined $_->[0], @neigh) {
		2287	my ($path, $origin) = @$_;
1572	my $neigh = find @$_	2288	my $neigh = find $path, $origin
1573	or next;	2289	or next;
1574	$neigh->load;	2290	$neigh->load;
1575	}	2291	}
1576	}	2292	}
1577		2293
1578	sub find_sync {	2294	sub find_sync {
1579	my ($path, $origin) = @_;	2295	my ($path, $origin) = @_;
1580		2296
1581	cf::sync_job { find $path, $origin }	2297	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2298	if $Coro::current == $Coro::main;
		2299
		2300	find $path, $origin
1582	}	2301	}
1583		2302
1584	sub do_load_sync {	2303	sub do_load_sync {
1585	my ($map) = @_;	2304	my ($map) = @_;
1586		2305
1587	cf::sync_job { $map->load };	2306	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2307	if $Coro::current == $Coro::main;
		2308
		2309	$map->load;
1588	}	2310	}
1589		2311
1590	our %MAP_PREFETCH;	2312	our %MAP_PREFETCH;
1591	our $MAP_PREFETCHER = undef;	2313	our $MAP_PREFETCHER = undef;
1592		2314
1593	sub find_async {	2315	sub find_async {
1594	my ($path, $origin) = @_;	2316	my ($path, $origin, $load) = @_;
1595		2317
1596	$path = normalise $path, $origin && $origin->{path};	2318	$path = normalise $path, $origin;
1597		2319
1598	if (my $map = $cf::MAP{$path}) {	2320	if (my $map = $cf::MAP{$path}) {
1599	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2321	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1600	}	2322	}
1601		2323
1602	undef $MAP_PREFETCH{$path};	2324	$MAP_PREFETCH{$path} |= $load;
		2325
1603	$MAP_PREFETCHER ||= cf::async {	2326	$MAP_PREFETCHER ||= cf::async {
		2327	$Coro::current->{desc} = "map prefetcher";
		2328
1604	while (%MAP_PREFETCH) {	2329	while (%MAP_PREFETCH) {
1605	for my $path (keys %MAP_PREFETCH) {	2330	while (my ($k, $v) = each %MAP_PREFETCH) {
1606	my $map = find $path	2331	if (my $map = find $k) {
1607	or next;
1608	$map->load;	2332	$map->load if $v;
		2333	}
1609		2334
1610	delete $MAP_PREFETCH{$path};	2335	delete $MAP_PREFETCH{$k};
1611	}	2336	}
1612	}	2337	}
1613	undef $MAP_PREFETCHER;	2338	undef $MAP_PREFETCHER;
1614	};	2339	};
1615	$MAP_PREFETCHER->prio (6);	2340	$MAP_PREFETCHER->prio (6);
1616		2341
1617	()	2342	()
1618	}	2343	}
1619		2344
		2345	# common code, used by both ->save and ->swapout
1620	sub save {	2346	sub _save {
1621	my ($self) = @_;	2347	my ($self) = @_;
1622
1623	my $lock = cf::lock_acquire "map_data:" . $self->path;
1624		2348
1625	$self->{last_save} = $cf::RUNTIME;	2349	$self->{last_save} = $cf::RUNTIME;
1626		2350
1627	return unless $self->dirty;	2351	return unless $self->dirty;
1628		2352
…		…
1634	return if $self->{deny_save};	2358	return if $self->{deny_save};
1635		2359
1636	local $self->{last_access} = $self->last_access;#d#	2360	local $self->{last_access} = $self->last_access;#d#
1637		2361
1638	cf::async {	2362	cf::async {
		2363	$Coro::current->{desc} = "map player save";
1639	$_->contr->save for $self->players;	2364	$_->contr->save for $self->players;
1640	};	2365	};
		2366
		2367	cf::get_slot 0.02;
1641		2368
1642	if ($uniq) {	2369	if ($uniq) {
1643	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2370	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1644	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2371	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1645	} else {	2372	} else {
1646	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2373	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1647	}	2374	}
1648	}	2375	}
1649		2376
		2377	sub save {
		2378	my ($self) = @_;
		2379
		2380	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2381
		2382	$self->_save;
		2383	}
		2384
1650	sub swap_out {	2385	sub swap_out {
1651	my ($self) = @_;	2386	my ($self) = @_;
1652		2387
1653	# save first because save cedes
1654	$self->save;
1655
1656	my $lock = cf::lock_acquire "map_data:" . $self->path;	2388	my $lock = cf::lock_acquire "map_data:$self->{path}";
1657		2389
		2390	return if $self->in_memory != cf::MAP_ACTIVE;
		2391	return if $self->{deny_save};
1658	return if $self->players;	2392	return if $self->players;
1659	return if $self->in_memory != cf::MAP_IN_MEMORY;
1660	return if $self->{deny_save};
1661		2393
		2394	# first deactivate the map and "unlink" it from the core
		2395	$self->deactivate;
		2396	$_->clear_links_to ($self) for values %cf::MAP;
		2397	$self->in_memory (cf::MAP_SWAPPED);
		2398
		2399	# then atomically save
		2400	$self->_save;
		2401
		2402	# then free the map
1662	$self->clear;	2403	$self->clear;
1663	$self->in_memory (cf::MAP_SWAPPED);
1664	}	2404	}
1665		2405
1666	sub reset_at {	2406	sub reset_at {
1667	my ($self) = @_;	2407	my ($self) = @_;
1668		2408
1669	# TODO: safety, remove and allow resettable per-player maps	2409	# TODO: safety, remove and allow resettable per-player maps
1670	return 1e99 if $self->isa ("ext::map_per_player");#d#
1671	return 1e99 if $self->{deny_reset};	2410	return 1e99 if $self->{deny_reset};
1672		2411
1673	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2412	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1674	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2413	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1675		2414
…		…
1686	my ($self) = @_;	2425	my ($self) = @_;
1687		2426
1688	my $lock = cf::lock_acquire "map_data:$self->{path}";	2427	my $lock = cf::lock_acquire "map_data:$self->{path}";
1689		2428
1690	return if $self->players;	2429	return if $self->players;
1691	return if $self->isa ("ext::map_per_player");#d#
1692		2430
1693	warn "resetting map ", $self->path;#d#	2431	cf::trace "resetting map ", $self->path, "\n";
1694		2432
1695	$self->in_memory (cf::MAP_SWAPPED);	2433	$self->in_memory (cf::MAP_SWAPPED);
1696		2434
1697	# need to save uniques path	2435	# need to save uniques path
1698	unless ($self->{deny_save}) {	2436	unless ($self->{deny_save}) {
…		…
1702	if $uniq;	2440	if $uniq;
1703	}	2441	}
1704		2442
1705	delete $cf::MAP{$self->path};	2443	delete $cf::MAP{$self->path};
1706		2444
		2445	$self->deactivate;
		2446	$_->clear_links_to ($self) for values %cf::MAP;
1707	$self->clear;	2447	$self->clear;
1708
1709	$_->clear_links_to ($self) for values %cf::MAP;
1710		2448
1711	$self->unlink_save;	2449	$self->unlink_save;
1712	$self->destroy;	2450	$self->destroy;
1713	}	2451	}
1714		2452
1715	my $nuke_counter = "aaaa";	2453	my $nuke_counter = "aaaa";
1716		2454
1717	sub nuke {	2455	sub nuke {
1718	my ($self) = @_;	2456	my ($self) = @_;
1719		2457
		2458	{
		2459	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2460
1720	delete $cf::MAP{$self->path};	2461	delete $cf::MAP{$self->path};
1721		2462
1722	$self->unlink_save;	2463	$self->unlink_save;
1723		2464
1724	bless $self, "cf::map";	2465	bless $self, "cf::map::wrap";
1725	delete $self->{deny_reset};	2466	delete $self->{deny_reset};
1726	$self->{deny_save} = 1;	2467	$self->{deny_save} = 1;
1727	$self->reset_timeout (1);	2468	$self->reset_timeout (1);
1728	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2469	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1729		2470
1730	$cf::MAP{$self->path} = $self;	2471	$cf::MAP{$self->path} = $self;
		2472	}
1731		2473
1732	$self->reset; # polite request, might not happen	2474	$self->reset; # polite request, might not happen
		2475	}
		2476
		2477	=item $maps = cf::map::tmp_maps
		2478
		2479	Returns an arrayref with all map paths of currently instantiated and saved
		2480	maps. May block.
		2481
		2482	=cut
		2483
		2484	sub tmp_maps() {
		2485	[
		2486	map {
		2487	utf8::decode $_;
		2488	/\.map$/
		2489	? normalise $_
		2490	: ()
		2491	} @{ aio_readdir $TMPDIR or [] }
		2492	]
		2493	}
		2494
		2495	=item $maps = cf::map::random_maps
		2496
		2497	Returns an arrayref with all map paths of currently instantiated and saved
		2498	random maps. May block.
		2499
		2500	=cut
		2501
		2502	sub random_maps() {
		2503	[
		2504	map {
		2505	utf8::decode $_;
		2506	/\.map$/
		2507	? normalise "?random/$_"
		2508	: ()
		2509	} @{ aio_readdir $RANDOMDIR or [] }
		2510	]
1733	}	2511	}
1734		2512
1735	=item cf::map::unique_maps	2513	=item cf::map::unique_maps
1736		2514
1737	Returns an arrayref of paths of all shared maps that have	2515	Returns an arrayref of paths of all shared maps that have
1738	instantiated unique items. May block.	2516	instantiated unique items. May block.
1739		2517
1740	=cut	2518	=cut
1741		2519
1742	sub unique_maps() {	2520	sub unique_maps() {
1743	my $files = aio_readdir $UNIQUEDIR	2521	[
1744	or return;	2522	map {
1745
1746	my @paths;
1747
1748	for (@$files) {
1749	utf8::decode $_;	2523	utf8::decode $_;
1750	next if /\.pst$/;	2524	s/\.map$//; # TODO future compatibility hack
1751	next unless /^$PATH_SEP/o;	2525	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1752		2526	? ()
1753	push @paths, cf::map::normalise $_;	2527	: normalise $_
		2528	} @{ aio_readdir $UNIQUEDIR or [] }
1754	}	2529	]
1755
1756	\@paths
1757	}	2530	}
1758		2531
1759	package cf;	2532	=item cf::map::static_maps
		2533
		2534	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2535	file in the shared directory excluding F</styles> and F</editor>). May
		2536	block.
		2537
		2538	=cut
		2539
		2540	sub static_maps() {
		2541	my @dirs = "";
		2542	my @maps;
		2543
		2544	while (@dirs) {
		2545	my $dir = shift @dirs;
		2546
		2547	next if $dir eq "/styles" || $dir eq "/editor";
		2548
		2549	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2550	or return;
		2551
		2552	for (@$files) {
		2553	s/\.map$// or next;
		2554	utf8::decode $_;
		2555	push @maps, "$dir/$_";
		2556	}
		2557
		2558	push @dirs, map "$dir/$_", @$dirs;
		2559	}
		2560
		2561	\@maps
		2562	}
1760		2563
1761	=back	2564	=back
1762		2565
1763	=head3 cf::object	2566	=head3 cf::object
1764		2567
…		…
1768		2571
1769	=over 4	2572	=over 4
1770		2573
1771	=item $ob->inv_recursive	2574	=item $ob->inv_recursive
1772		2575
1773	Returns the inventory of the object _and_ their inventories, recursively.	2576	Returns the inventory of the object I<and> their inventories, recursively,
		2577	but I<not> the object itself.
1774		2578
1775	=cut	2579	=cut
1776		2580
1777	sub inv_recursive_;	2581	sub inv_recursive_;
1778	sub inv_recursive_ {	2582	sub inv_recursive_ {
…		…
1781		2585
1782	sub inv_recursive {	2586	sub inv_recursive {
1783	inv_recursive_ inv $_[0]	2587	inv_recursive_ inv $_[0]
1784	}	2588	}
1785		2589
		2590	=item $ref = $ob->ref
		2591
		2592	Creates and returns a persistent reference to an object that can be stored as a string.
		2593
		2594	=item $ob = cf::object::deref ($refstring)
		2595
		2596	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2597	even if the object actually exists. May block.
		2598
		2599	=cut
		2600
		2601	sub deref {
		2602	my ($ref) = @_;
		2603
		2604	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2605	my ($uuid, $name) = ($1, $2);
		2606	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2607	or return;
		2608	$pl->ob->uuid eq $uuid
		2609	or return;
		2610
		2611	$pl->ob
		2612	} else {
		2613	warn "$ref: cannot resolve object reference\n";
		2614	undef
		2615	}
		2616	}
		2617
1786	package cf;	2618	package cf;
1787		2619
1788	=back	2620	=back
1789		2621
1790	=head3 cf::object::player	2622	=head3 cf::object::player
…		…
1796	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2628	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1797	can be C<undef>. Does the right thing when the player is currently in a	2629	can be C<undef>. Does the right thing when the player is currently in a
1798	dialogue with the given NPC character.	2630	dialogue with the given NPC character.
1799		2631
1800	=cut	2632	=cut
		2633
		2634	our $SAY_CHANNEL = {
		2635	id => "say",
		2636	title => "Map",
		2637	reply => "say ",
		2638	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2639	};
		2640
		2641	our $CHAT_CHANNEL = {
		2642	id => "chat",
		2643	title => "Chat",
		2644	reply => "chat ",
		2645	tooltip => "Player chat and shouts, global to the server.",
		2646	};
1801		2647
1802	# rough implementation of a future "reply" method that works	2648	# rough implementation of a future "reply" method that works
1803	# with dialog boxes.	2649	# with dialog boxes.
1804	#TODO: the first argument must go, split into a $npc->reply_to ( method	2650	#TODO: the first argument must go, split into a $npc->reply_to ( method
1805	sub cf::object::player::reply($$$;$) {	2651	sub cf::object::player::reply($$$;$) {
…		…
1807		2653
1808	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2654	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1809		2655
1810	if ($self->{record_replies}) {	2656	if ($self->{record_replies}) {
1811	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2657	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2658
1812	} else {	2659	} else {
		2660	my $pl = $self->contr;
		2661
		2662	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2663	my $dialog = $pl->{npc_dialog};
		2664	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2665
		2666	} else {
1813	$msg = $npc->name . " says: $msg" if $npc;	2667	$msg = $npc->name . " says: $msg" if $npc;
1814	$self->message ($msg, $flags);	2668	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2669	}
1815	}	2670	}
		2671	}
		2672
		2673	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2674
		2675	=cut
		2676
		2677	sub cf::object::send_msg {
		2678	my $pl = shift->contr
		2679	or return;
		2680	$pl->send_msg (@_);
1816	}	2681	}
1817		2682
1818	=item $player_object->may ("access")	2683	=item $player_object->may ("access")
1819		2684
1820	Returns wether the given player is authorized to access resource "access"	2685	Returns wether the given player is authorized to access resource "access"
…		…
1833		2698
1834	=item $player_object->enter_link	2699	=item $player_object->enter_link
1835		2700
1836	Freezes the player and moves him/her to a special map (C<{link}>).	2701	Freezes the player and moves him/her to a special map (C<{link}>).
1837		2702
1838	The player should be reasonably safe there for short amounts of time. You	2703	The player should be reasonably safe there for short amounts of time (e.g.
1839	I<MUST> call C<leave_link> as soon as possible, though.	2704	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2705	though, as the player cannot control the character while it is on the link
		2706	map.
1840		2707
1841	Will never block.	2708	Will never block.
1842		2709
1843	=item $player_object->leave_link ($map, $x, $y)	2710	=item $player_object->leave_link ($map, $x, $y)
1844		2711
…		…
1864	sub cf::object::player::enter_link {	2731	sub cf::object::player::enter_link {
1865	my ($self) = @_;	2732	my ($self) = @_;
1866		2733
1867	$self->deactivate_recursive;	2734	$self->deactivate_recursive;
1868		2735
		2736	++$self->{_link_recursion};
		2737
1869	return if UNIVERSAL::isa $self->map, "ext::map_link";	2738	return if UNIVERSAL::isa $self->map, "ext::map_link";
1870		2739
1871	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2740	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1872	if $self->map;	2741	if $self->map && $self->map->{path} ne "{link}";
1873		2742
1874	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2743	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1875	}	2744	}
1876		2745
1877	sub cf::object::player::leave_link {	2746	sub cf::object::player::leave_link {
1878	my ($self, $map, $x, $y) = @_;	2747	my ($self, $map, $x, $y) = @_;
		2748
		2749	return unless $self->contr->active;
1879		2750
1880	my $link_pos = delete $self->{_link_pos};	2751	my $link_pos = delete $self->{_link_pos};
1881		2752
1882	unless ($map) {	2753	unless ($map) {
1883	# restore original map position	2754	# restore original map position
…		…
1894	($x, $y) = (-1, -1)	2765	($x, $y) = (-1, -1)
1895	unless (defined $x) && (defined $y);	2766	unless (defined $x) && (defined $y);
1896		2767
1897	# use -1 or undef as default coordinates, not 0, 0	2768	# use -1 or undef as default coordinates, not 0, 0
1898	($x, $y) = ($map->enter_x, $map->enter_y)	2769	($x, $y) = ($map->enter_x, $map->enter_y)
1899	if $x <=0 && $y <= 0;	2770	if $x <= 0 && $y <= 0;
1900		2771
1901	$map->load;	2772	$map->load;
1902	$map->load_diag;	2773	$map->load_neighbours;
1903		2774
1904	return unless $self->contr->active;	2775	return unless $self->contr->active;
1905	$self->activate_recursive;
1906		2776
1907	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2777	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1908	$self->enter_map ($map, $x, $y);	2778	if ($self->enter_map ($map, $x, $y)) {
1909	}	2779	# entering was successful
1910		2780	delete $self->{_link_recursion};
1911	cf::player->attach (	2781	# only activate afterwards, to support waiting in hooks
1912	on_logout => sub {	2782	$self->activate_recursive;
1913	my ($pl) = @_;
1914
1915	# abort map switching before logout
1916	if ($pl->ob->{_link_pos}) {
1917	cf::sync_job {
1918	$pl->ob->leave_link
1919	};
1920	}
1921	},	2783	}
1922	on_login => sub {
1923	my ($pl) = @_;
1924		2784
1925	# try to abort aborted map switching on player login :)	2785	}
1926	# should happen only on crashes
1927	if ($pl->ob->{_link_pos}) {
1928	$pl->ob->enter_link;
1929	(async {
1930	$pl->ob->reply (undef,
1931	"There was an internal problem at your last logout, "
1932	. "the server will try to bring you to your intended destination in a second.",
1933	cf::NDI_RED);
1934	# we need this sleep as the login has a concurrent enter_exit running
1935	# and this sleep increases chances of the player not ending up in scorn
1936	Coro::Timer::sleep 1;
1937	$pl->ob->leave_link;
1938	})->prio (2);
1939	}
1940	},
1941	);
1942		2786
1943	=item $player_object->goto ($path, $x, $y)	2787	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1944		2788
		2789	Moves the player to the given map-path and coordinates by first freezing
		2790	her, loading and preparing them map, calling the provided $check callback
		2791	that has to return the map if sucecssful, and then unfreezes the player on
		2792	the new (success) or old (failed) map position. In either case, $done will
		2793	be called at the end of this process.
		2794
		2795	Note that $check will be called with a potentially non-loaded map, so if
		2796	it needs a loaded map it has to call C<< ->load >>.
		2797
1945	=cut	2798	=cut
		2799
		2800	our $GOTOGEN;
1946		2801
1947	sub cf::object::player::goto {	2802	sub cf::object::player::goto {
1948	my ($self, $path, $x, $y) = @_;	2803	my ($self, $path, $x, $y, $check, $done) = @_;
		2804
		2805	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2806	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2807	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2808	($path, $x, $y) = @$EMERGENCY_POSITION;
		2809	}
		2810
		2811	# do generation counting so two concurrent goto's will be executed in-order
		2812	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1949		2813
1950	$self->enter_link;	2814	$self->enter_link;
1951		2815
1952	(async {	2816	(async {
		2817	$Coro::current->{desc} = "player::goto $path $x $y";
		2818
		2819	# *tag paths override both path and x|y
		2820	if ($path =~ /^\*(.*)$/) {
		2821	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2822	my $ob = $obs[rand @obs];
		2823
		2824	# see if we actually can go there
		2825	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2826	$ob = $obs[rand @obs];
		2827	} else {
		2828	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2829	}
		2830	# else put us there anyways for now #d#
		2831
		2832	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2833	} else {
		2834	($path, $x, $y) = (undef, undef, undef);
		2835	}
		2836	}
		2837
1953	my $map = eval {	2838	my $map = eval {
1954	my $map = cf::map::find $path;	2839	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2840
		2841	if ($map) {
1955	$map = $map->customise_for ($self) if $map;	2842	$map = $map->customise_for ($self);
		2843	$map = $check->($map, $x, $y, $self) if $check && $map;
		2844	} else {
		2845	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2846	}
		2847
1956	$map	2848	$map
		2849	};
		2850
		2851	if ($@) {
		2852	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2853	LOG llevError | logBacktrace, Carp::longmess $@;
1957	} or	2854	}
1958	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1959		2855
		2856	if ($gen == $self->{_goto_generation}) {
		2857	delete $self->{_goto_generation};
1960	$self->leave_link ($map, $x, $y);	2858	$self->leave_link ($map, $x, $y);
		2859	}
		2860
		2861	$done->($self) if $done;
1961	})->prio (1);	2862	})->prio (1);
1962	}	2863	}
1963		2864
1964	=item $player_object->enter_exit ($exit_object)	2865	=item $player_object->enter_exit ($exit_object)
1965		2866
…		…
1985	}	2886	}
1986		2887
1987	sub prepare_random_map {	2888	sub prepare_random_map {
1988	my ($exit) = @_;	2889	my ($exit) = @_;
1989		2890
1990	my $guard = cf::lock_acquire "exit_prepare:$exit";
1991
1992	# all this does is basically replace the /! path by	2891	# all this does is basically replace the /! path by
1993	# a new random map path (?random/...) with a seed	2892	# a new random map path (?random/...) with a seed
1994	# that depends on the exit object	2893	# that depends on the exit object
1995		2894
1996	my $rmp = parse_random_map_params $exit->msg;	2895	my $rmp = parse_random_map_params $exit->msg;
…		…
1998	if ($exit->map) {	2897	if ($exit->map) {
1999	$rmp->{region} = $exit->region->name;	2898	$rmp->{region} = $exit->region->name;
2000	$rmp->{origin_map} = $exit->map->path;	2899	$rmp->{origin_map} = $exit->map->path;
2001	$rmp->{origin_x} = $exit->x;	2900	$rmp->{origin_x} = $exit->x;
2002	$rmp->{origin_y} = $exit->y;	2901	$rmp->{origin_y} = $exit->y;
		2902
		2903	$exit->map->touch;
2003	}	2904	}
2004		2905
2005	$rmp->{random_seed} ||= $exit->random_seed;	2906	$rmp->{random_seed} ||= $exit->random_seed;
2006		2907
2007	my $data = cf::to_json $rmp;	2908	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2008	my $md5 = Digest::MD5::md5_hex $data;	2909	my $md5 = Digest::MD5::md5_hex $data;
2009	my $meta = "$RANDOMDIR/$md5.meta";	2910	my $meta = "$RANDOMDIR/$md5.meta";
2010		2911
2011	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2912	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2012	aio_write $fh, 0, (length $data), $data, 0;	2913	aio_write $fh, 0, (length $data), $data, 0;
2013	undef $fh;	2914	undef $fh;
2014	aio_rename "$meta~", $meta;	2915	aio_rename "$meta~", $meta;
2015		2916
		2917	my $slaying = "?random/$md5";
		2918
		2919	if ($exit->valid) {
2016	$exit->slaying ("?random/$md5");	2920	$exit->slaying ("?random/$md5");
2017	$exit->msg (undef);	2921	$exit->msg (undef);
		2922	}
2018	}	2923	}
2019	}	2924	}
2020		2925
2021	sub cf::object::player::enter_exit {	2926	sub cf::object::player::enter_exit {
2022	my ($self, $exit) = @_;	2927	my ($self, $exit) = @_;
2023		2928
2024	return unless $self->type == cf::PLAYER;	2929	return unless $self->type == cf::PLAYER;
2025		2930
2026	if ($exit->slaying eq "/!") {
2027	#TODO: this should de-fi-ni-te-ly not be a sync-job
2028	# the problem is that $exit might not survive long enough
2029	# so it needs to be done right now, right here
2030	cf::sync_job { prepare_random_map $exit };
2031	}
2032
2033	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2034	my $hp = $exit->stats->hp;
2035	my $sp = $exit->stats->sp;
2036
2037	$self->enter_link;	2931	$self->enter_link;
2038		2932
2039	(async {	2933	(async {
2040	$self->deactivate_recursive; # just to be sure	2934	$Coro::current->{desc} = "enter_exit";
		2935
2041	unless (eval {	2936	unless (eval {
		2937	$self->deactivate_recursive; # just to be sure
		2938
		2939	# random map handling
		2940	{
		2941	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2942
		2943	prepare_random_map $exit
		2944	if $exit->slaying eq "/!";
		2945	}
		2946
		2947	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2948	my $x = $exit->stats->hp;
		2949	my $y = $exit->stats->sp;
		2950
2042	$self->goto ($slaying, $hp, $sp);	2951	$self->goto ($map, $x, $y);
2043		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
2044	1;	2957	1
2045	}) {	2958	}) {
2046	$self->message ("Something went wrong deep within the crossfire server. "	2959	$self->message ("Something went wrong deep within the deliantra server. "
2047	. "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. "
2048	. "Please report this to the dungeon master!",	2961	. "Please report this to the dungeon master!",
2049	cf::NDI_UNIQUE | cf::NDI_RED);	2962	cf::NDI_UNIQUE | cf::NDI_RED);
2050		2963
2051	warn "ERROR in enter_exit: $@";	2964	error "ERROR in enter_exit: $@";
2052	$self->leave_link;	2965	$self->leave_link;
2053	}	2966	}
2054	})->prio (1);	2967	})->prio (1);
2055	}	2968	}
2056		2969
…		…
2070		2983
2071	utf8::encode $text;	2984	utf8::encode $text;
2072	$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);
2073	}	2986	}
2074		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
2075	=item $client->ext_event ($type, %msg)	3175	=item $client->ext_msg ($type, @msg)
2076		3176
2077	Sends an exti event to the client.	3177	Sends an ext event to the client.
2078		3178
2079	=cut	3179	=cut
2080		3180
2081	sub cf::client::ext_event($$%) {	3181	sub cf::client::ext_msg($$@) {
2082	my ($self, $type, %msg) = @_;	3182	my ($self, $type, @msg) = @_;
2083		3183
		3184	if ($self->extcmd == 2) {
		3185	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3186	} elsif ($self->extcmd == 1) { # TODO: remove
2084	$msg{msgtype} = "event_$type";	3187	push @msg, msgtype => "event_$type";
2085	$self->send_packet ("ext " . cf::to_json \%msg);	3188	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3189	}
		3190	}
		3191
		3192	=item $client->ext_reply ($msgid, @msg)
		3193
		3194	Sends an ext reply to the client.
		3195
		3196	=cut
		3197
		3198	sub cf::client::ext_reply($$@) {
		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	}
2086	}	3208	}
2087		3209
2088	=item $success = $client->query ($flags, "text", \&cb)	3210	=item $success = $client->query ($flags, "text", \&cb)
2089		3211
2090	Queues a query to the client, calling the given callback with	3212	Queues a query to the client, calling the given callback with
2091	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>,
2092	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>.
2093		3215
2094	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
2095	reliable at some point in the future.	3217	become reliable at some point in the future.
2096		3218
2097	=cut	3219	=cut
2098		3220
2099	sub cf::client::query {	3221	sub cf::client::query {
2100	my ($self, $flags, $text, $cb) = @_;	3222	my ($self, $flags, $text, $cb) = @_;
…		…
2108	utf8::encode $text;	3230	utf8::encode $text;
2109	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3231	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2110		3232
2111	$self->send_packet ($self->{query_queue}[0][0])	3233	$self->send_packet ($self->{query_queue}[0][0])
2112	if @{ $self->{query_queue} } == 1;	3234	if @{ $self->{query_queue} } == 1;
		3235
		3236	1
2113	}	3237	}
2114		3238
2115	cf::client->attach (	3239	cf::client->attach (
		3240	on_connect => sub {
		3241	my ($ns) = @_;
		3242
		3243	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3244	},
2116	on_reply => sub {	3245	on_reply => sub {
2117	my ($ns, $msg) = @_;	3246	my ($ns, $msg) = @_;
2118		3247
2119	# this weird shuffling is so that direct followup queries	3248	# this weird shuffling is so that direct followup queries
2120	# get handled first	3249	# get handled first
…		…
2132	} else {	3261	} else {
2133	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3262	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2134	}	3263	}
2135	}	3264	}
2136	},	3265	},
		3266	on_exticmd => sub {
		3267	my ($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	},
2137	);	3292	);
2138		3293
2139	=item $client->async (\&cb)	3294	=item $client->async (\&cb)
2140		3295
2141	Create a new coroutine, running the specified callback. The coroutine will	3296	Create a new coroutine, running the specified callback. The coroutine will
…		…
2157		3312
2158	$coro	3313	$coro
2159	}	3314	}
2160		3315
2161	cf::client->attach (	3316	cf::client->attach (
2162	on_destroy => sub {	3317	on_client_destroy => sub {
2163	my ($ns) = @_;	3318	my ($ns) = @_;
2164		3319
2165	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3320	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2166	},	3321	},
2167	);	3322	);
…		…
2182	our $safe = new Safe "safe";	3337	our $safe = new Safe "safe";
2183	our $safe_hole = new Safe::Hole;	3338	our $safe_hole = new Safe::Hole;
2184		3339
2185	$SIG{FPE} = 'IGNORE';	3340	$SIG{FPE} = 'IGNORE';
2186		3341
2187	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3342	$safe->permit_only (Opcode::opset qw(
		3343	:base_core :base_mem :base_orig :base_math :base_loop
		3344	grepstart grepwhile mapstart mapwhile
		3345	sort time
		3346	));
2188		3347
2189	# here we export the classes and methods available to script code	3348	# here we export the classes and methods available to script code
2190		3349
2191	=pod	3350	=pod
2192		3351
2193	The following functions and methods are available within a safe environment:	3352	The following functions and methods are available within a safe environment:
2194		3353
2195	cf::object contr pay_amount pay_player map	3354	cf::object
		3355	contr pay_amount pay_player map x y force_find force_add destroy
		3356	insert remove name archname title slaying race decrease split
		3357	value
		3358
2196	cf::object::player player	3359	cf::object::player
2197	cf::player peaceful	3360	player
2198	cf::map trigger	3361
		3362	cf::player
		3363	peaceful
		3364
		3365	cf::map
		3366	trigger
2199		3367
2200	=cut	3368	=cut
2201		3369
2202	for (	3370	for (
2203	["cf::object" => qw(contr pay_amount pay_player map)],	3371	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3372	insert remove inv nrof name archname title slaying race
		3373	decrease split destroy change_exp value msg lore send_msg)],
2204	["cf::object::player" => qw(player)],	3374	["cf::object::player" => qw(player)],
2205	["cf::player" => qw(peaceful)],	3375	["cf::player" => qw(peaceful send_msg)],
2206	["cf::map" => qw(trigger)],	3376	["cf::map" => qw(trigger)],
2207	) {	3377	) {
2208	no strict 'refs';
2209	my ($pkg, @funs) = @$_;	3378	my ($pkg, @funs) = @$_;
2210	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3379	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2211	for @funs;	3380	for @funs;
2212	}	3381	}
2213		3382
…		…
2228		3397
2229	my $qcode = $code;	3398	my $qcode = $code;
2230	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3399	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2231	$qcode =~ s/\n/\\n/g;	3400	$qcode =~ s/\n/\\n/g;
2232		3401
		3402	%vars = (_dummy => 0) unless %vars;
		3403
		3404	my @res;
2233	local $_;	3405	local $_;
2234	local @safe::cf::_safe_eval_args = values %vars;
2235		3406
2236	my $eval =	3407	my $eval =
2237	"do {\n"	3408	"do {\n"
2238	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3409	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2239	. "#line 0 \"{$qcode}\"\n"	3410	. "#line 0 \"{$qcode}\"\n"
2240	. $code	3411	. $code
2241	. "\n}"	3412	. "\n}"
2242	;	3413	;
2243		3414
		3415	if ($CFG{safe_eval}) {
2244	sub_generation_inc;	3416	sub_generation_inc;
		3417	local @safe::cf::_safe_eval_args = values %vars;
2245	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3418	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2246	sub_generation_inc;	3419	sub_generation_inc;
		3420	} else {
		3421	local @cf::_safe_eval_args = values %vars;
		3422	@res = wantarray ? eval eval : scalar eval $eval;
		3423	}
2247		3424
2248	if ($@) {	3425	if ($@) {
2249	warn "$@";	3426	warn "$@",
2250	warn "while executing safe code '$code'\n";	3427	"while executing safe code '$code'\n",
2251	warn "with arguments " . (join " ", %vars) . "\n";	3428	"with arguments " . (join " ", %vars) . "\n";
2252	}	3429	}
2253		3430
2254	wantarray ? @res : $res[0]	3431	wantarray ? @res : $res[0]
2255	}	3432	}
2256		3433
…		…
2270	=cut	3447	=cut
2271		3448
2272	sub register_script_function {	3449	sub register_script_function {
2273	my ($fun, $cb) = @_;	3450	my ($fun, $cb) = @_;
2274		3451
2275	no strict 'refs';	3452	$fun = "safe::$fun" if $CFG{safe_eval};
2276	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3453	*$fun = $safe_hole->wrap ($cb);
2277	}	3454	}
2278		3455
2279	=back	3456	=back
2280		3457
2281	=cut	3458	=cut
2282
2283	#############################################################################
2284
2285	=head2 EXTENSION DATABASE SUPPORT
2286
2287	Crossfire maintains a very simple database for extension use. It can
2288	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2289	convert to/from binary).
2290
2291	The parameter C<$family> should best start with the name of the extension
2292	using it, it should be unique.
2293
2294	=over 4
2295
2296	=item $value = cf::db_get $family => $key
2297
2298	Returns a single value from the database.
2299
2300	=item cf::db_put $family => $key => $value
2301
2302	Stores the given C<$value> in the family.
2303
2304	=cut
2305
2306	our $DB;
2307
2308	sub db_init {
2309	unless ($DB) {
2310	$DB = BDB::db_create $DB_ENV;
2311
2312	cf::sync_job {
2313	eval {
2314	$DB->set_flags (BDB::CHKSUM);
2315
2316	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2317	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2318	cf::cleanup "db_open(db): $!" if $!;
2319	};
2320	cf::cleanup "db_open(db): $@" if $@;
2321	};
2322	}
2323	}
2324
2325	sub db_get($$) {
2326	my $key = "$_[0]/$_[1]";
2327
2328	cf::sync_job {
2329	BDB::db_get $DB, undef, $key, my $data;
2330
2331	$! ? ()
2332	: $data
2333	}
2334	}
2335
2336	sub db_put($$$) {
2337	BDB::dbreq_pri 4;
2338	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2339	}
2340
2341	=item cf::cache $id => [$paths...], $processversion => $process
2342
2343	Generic caching function that returns the value of the resource $id,
2344	caching and regenerating as required.
2345
2346	This function can block.
2347
2348	=cut
2349
2350	sub cache {
2351	my ($id, $src, $processversion, $process) = @_;
2352
2353	my $meta =
2354	join "\x00",
2355	$processversion,
2356	map {
2357	aio_stat $_
2358	and Carp::croak "$_: $!";
2359
2360	($_, (stat _)[7,9])
2361	} @$src;
2362
2363	my $dbmeta = db_get cache => "$id/meta";
2364	if ($dbmeta ne $meta) {
2365	# changed, we may need to process
2366
2367	my @data;
2368	my $md5;
2369
2370	for (0 .. $#$src) {
2371	0 <= aio_load $src->[$_], $data[$_]
2372	or Carp::croak "$src->[$_]: $!";
2373	}
2374
2375	# if processing is expensive, check
2376	# checksum first
2377	if (1) {
2378	$md5 =
2379	join "\x00",
2380	$processversion,
2381	map {
2382	Coro::cede;
2383	($src->[$_], Digest::MD5::md5_hex $data[$_])
2384	} 0.. $#$src;
2385
2386
2387	my $dbmd5 = db_get cache => "$id/md5";
2388	if ($dbmd5 eq $md5) {
2389	db_put cache => "$id/meta", $meta;
2390
2391	return db_get cache => "$id/data";
2392	}
2393	}
2394
2395	my $t1 = Time::HiRes::time;
2396	my $data = $process->(\@data);
2397	my $t2 = Time::HiRes::time;
2398
2399	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2400
2401	db_put cache => "$id/data", $data;
2402	db_put cache => "$id/md5" , $md5;
2403	db_put cache => "$id/meta", $meta;
2404
2405	return $data;
2406	}
2407
2408	db_get cache => "$id/data"
2409	}
2410
2411	=item fork_call { }, $args
2412
2413	Executes the given code block with the given arguments in a seperate
2414	process, returning the results. Everything must be serialisable with
2415	Coro::Storable. May, of course, block. Note that the executed sub may
2416	never block itself or use any form of Event handling.
2417
2418	=cut
2419
2420	sub fork_call(&@) {
2421	my ($cb, @args) = @_;
2422
2423	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2424	# or die "socketpair: $!";
2425	pipe my $fh1, my $fh2
2426	or die "pipe: $!";
2427
2428	if (my $pid = fork) {
2429	close $fh2;
2430
2431	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2432	$res = Coro::Storable::thaw $res;
2433
2434	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2435
2436	die $$res unless "ARRAY" eq ref $res;
2437
2438	return wantarray ? @$res : $res->[-1];
2439	} else {
2440	local $SIG{__WARN__};
2441	eval {
2442	local $SIG{__DIE__};
2443	close $fh1;
2444
2445	my @res = eval { $cb->(@args) };
2446	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2447	};
2448
2449	warn $@ if $@;
2450	_exit 0;
2451	}
2452	}
2453
2454
2455		3459
2456	#############################################################################	3460	#############################################################################
2457	# the server's init and main functions	3461	# the server's init and main functions
2458		3462
2459	sub load_facedata($) {	3463	sub load_facedata($) {
2460	my ($path) = @_;	3464	my ($path) = @_;
2461		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
2462	warn "loading facedata from $path\n";	3472	trace "loading facedata from $path\n";
2463		3473
2464	my $facedata;	3474	my $facedata = decode_storable load_file $path;
2465	0 < aio_load $path, $facedata
2466	or die "$path: $!";
2467
2468	$facedata = Coro::Storable::thaw $facedata;
2469		3475
2470	$facedata->{version} == 2	3476	$facedata->{version} == 2
2471	or cf::cleanup "$path: version mismatch, cannot proceed.";	3477	or cf::cleanup "$path: version mismatch, cannot proceed.";
2472		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
2473	{	3488	{
2474	my $faces = $facedata->{faceinfo};	3489	my $faces = $facedata->{faceinfo};
2475		3490
2476	while (my ($face, $info) = each %$faces) {	3491	while (my ($face, $info) = each %$faces) {
2477	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3492	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3493
2478	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3494	cf::face::set_visibility $idx, $info->{visibility};
		3495	cf::face::set_magicmap $idx, $info->{magicmap};
2479	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3496	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2480	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3497	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2481	Coro::cede;	3498	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3499
		3500	cf::cede_to_tick;
2482	}	3501	}
2483		3502
2484	while (my ($face, $info) = each %$faces) {	3503	while (my ($face, $info) = each %$faces) {
2485	next unless $info->{smooth};	3504	next unless $info->{smooth};
		3505
2486	my $idx = cf::face::find $face	3506	my $idx = cf::face::find $face
2487	or next;	3507	or next;
		3508
2488	if (my $smooth = cf::face::find $info->{smooth}) {	3509	if (my $smooth = cf::face::find $info->{smooth}) {
		3510	cf::face::set_smooth $idx, $smooth;
2489	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3511	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2490	} else {	3512	} else {
2491	warn "smooth face '$info->{smooth}' not found for face '$face'";	3513	error "smooth face '$info->{smooth}' not found for face '$face'";
2492	}	3514	}
2493	Coro::cede;	3515
		3516	cf::cede_to_tick;
2494	}	3517	}
2495	}	3518	}
2496		3519
2497	{	3520	{
2498	my $anims = $facedata->{animinfo};	3521	my $anims = $facedata->{animinfo};
2499		3522
2500	while (my ($anim, $info) = each %$anims) {	3523	while (my ($anim, $info) = each %$anims) {
2501	cf::anim::set $anim, $info->{frames}, $info->{facings};	3524	cf::anim::set $anim, $info->{frames}, $info->{facings};
2502	Coro::cede;	3525	cf::cede_to_tick;
2503	}	3526	}
2504		3527
2505	cf::anim::invalidate_all; # d'oh	3528	cf::anim::invalidate_all; # d'oh
2506	}	3529	}
2507		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
2508	1	3550	1
2509	}	3551	}
2510		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
2511	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
2512	load_resource_file "$MAPDIR/regions"	3576	load_resource_file "$MAPDIR/regions"
2513	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	}
2514	}	3583	}
2515		3584
2516	sub reload_facedata {	3585	sub reload_facedata {
2517	load_facedata "$DATADIR/facedata"	3586	load_facedata "$DATADIR/facedata"
2518	or die "unable to load facedata\n";	3587	or die "unable to load facedata\n";
…		…
2526	sub reload_treasures {	3595	sub reload_treasures {
2527	load_resource_file "$DATADIR/treasures"	3596	load_resource_file "$DATADIR/treasures"
2528	or die "unable to load treasurelists\n";	3597	or die "unable to load treasurelists\n";
2529	}	3598	}
2530		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
2531	sub reload_resources {	3620	sub reload_resources {
2532	warn "reloading resource files...\n";	3621	trace "reloading resource files...\n";
2533		3622
		3623	reload_exp_table;
		3624	reload_materials;
		3625	reload_facedata;
		3626	reload_sound;
		3627	reload_archetypes;
2534	reload_regions;	3628	reload_regions;
2535	reload_facedata;
2536	reload_archetypes;
2537	reload_treasures;	3629	reload_treasures;
2538		3630
2539	warn "finished reloading resource files\n";	3631	trace "finished reloading resource files\n";
2540	}	3632	}
2541		3633
2542	sub init {	3634	sub reload_config {
2543	reload_resources;	3635	trace "reloading config file...\n";
2544	}
2545		3636
2546	sub cfg_load {	3637	my $config = load_file "$CONFDIR/config";
2547	open my $fh, "<:utf8", "$CONFDIR/config"	3638	utf8::decode $config;
2548	or return;	3639	*CFG = decode_yaml $config;
2549		3640
2550	local $/;
2551	*CFG = YAML::Syck::Load <$fh>;
2552
2553	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3641	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2554		3642
2555	$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};
2556	$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};
2557		3645
2558	if (exists $CFG{mlockall}) {	3646	if (exists $CFG{mlockall}) {
…		…
2562	};	3650	};
2563	warn $@ if $@;	3651	warn $@ if $@;
2564	}	3652	}
2565	}	3653	}
2566		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
2567	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
2568	# we must not ever block the main coroutine	3693	# we must not ever block the main coroutine
2569	local $Coro::idle = sub {	3694	local $Coro::idle = sub {
2570	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#
2571	(async {	3696	(async {
2572	Event::one_event;	3697	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3698	EV::loop EV::LOOP_ONESHOT;
2573	})->prio (Coro::PRIO_MAX);	3699	})->prio (Coro::PRIO_MAX);
2574	};	3700	};
2575		3701
2576	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;
2577	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
2578	load_extensions;	3725	load_extensions;
2579		3726
2580	$TICK_WATCHER->start;	3727	utime time, time, $RUNTIMEFILE;
2581	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;
2582	}	3745	}
2583		3746
2584	#############################################################################	3747	#############################################################################
2585	# initialisation and cleanup	3748	# initialisation and cleanup
2586		3749
2587	# install some emergency cleanup handlers	3750	# install some emergency cleanup handlers
2588	BEGIN {	3751	BEGIN {
		3752	our %SIGWATCHER = ();
2589	for my $signal (qw(INT HUP TERM)) {	3753	for my $signal (qw(INT HUP TERM)) {
2590	Event->signal (	3754	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2591	reentrant => 0,
2592	data => WF_AUTOCANCEL,
2593	signal => $signal,
2594	prio => 0,
2595	cb => sub {
2596	cf::cleanup "SIG$signal";	3755	cf::cleanup "SIG$signal";
2597	},
2598	);	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
2599	}	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 };
2600	}	3846	}
2601		3847
2602	sub emergency_save() {	3848	sub emergency_save() {
2603	my $freeze_guard = cf::freeze_mainloop;	3849	my $freeze_guard = cf::freeze_mainloop;
2604		3850
2605	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;
2606		3857
2607	cf::sync_job {	3858	cf::sync_job {
		3859	cf::write_runtime_sync; # external watchdog should not bark
		3860
2608	# use a peculiar iteration method to avoid tripping on perl	3861	# use a peculiar iteration method to avoid tripping on perl
2609	# refcount bugs in for. also avoids problems with players	3862	# refcount bugs in for. also avoids problems with players
2610	# and maps saved/destroyed asynchronously.	3863	# and maps saved/destroyed asynchronously.
2611	warn "begin emergency player save\n";	3864	info "emergency_perl_save: begin player save\n";
2612	for my $login (keys %cf::PLAYER) {	3865	for my $login (keys %cf::PLAYER) {
2613	my $pl = $cf::PLAYER{$login} or next;	3866	my $pl = $cf::PLAYER{$login} or next;
2614	$pl->valid or next;	3867	$pl->valid or next;
		3868	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2615	$pl->save;	3869	$pl->save;
2616	}	3870	}
2617	warn "end emergency player save\n";	3871	info "emergency_perl_save: end player save\n";
2618		3872
2619	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";
2620	for my $path (keys %cf::MAP) {	3876	for my $path (keys %cf::MAP) {
2621	my $map = $cf::MAP{$path} or next;	3877	my $map = $cf::MAP{$path} or next;
2622	$map->valid or next;	3878	$map->valid or next;
2623	$map->save;	3879	$map->save;
2624	}	3880	}
2625	warn "end emergency map save\n";	3881	info "emergency_perl_save: end map save\n";
2626		3882
2627	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";
2628	BDB::db_env_txn_checkpoint $DB_ENV;	3886	BDB::db_env_txn_checkpoint $DB_ENV;
2629	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
2630	};	3911	};
2631		3912
2632	warn "leave emergency perl save\n";	3913	info "emergency_perl_save: leave\n";
2633	}	3914	}
2634		3915
2635	sub post_cleanup {	3916	sub post_cleanup {
2636	my ($make_core) = @_;	3917	my ($make_core) = @_;
2637		3918
		3919	IO::AIO::flush;
		3920
2638	warn Carp::longmess "post_cleanup backtrace"	3921	error Carp::longmess "post_cleanup backtrace"
2639	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	}
2640	}	3951	}
2641		3952
2642	sub do_reload_perl() {	3953	sub do_reload_perl() {
2643	# can/must only be called in main	3954	# can/must only be called in main
2644	if ($Coro::current != $Coro::main) {	3955	unless (in_main) {
2645	warn "can only reload from main coroutine";	3956	error "can only reload from main coroutine";
2646	return;	3957	return;
2647	}	3958	}
2648		3959
2649	warn "reloading...";	3960	return if $RELOAD++;
2650		3961
2651	warn "entering sync_job";	3962	my $t1 = AE::time;
2652		3963
		3964	while ($RELOAD) {
		3965	cf::get_slot 0.1, -1, "reload_perl";
		3966	info "perl_reload: reloading...";
		3967
		3968	trace "perl_reload: entering sync_job";
		3969
2653	cf::sync_job {	3970	cf::sync_job {
2654	cf::write_runtime; # external watchdog should not bark
2655	cf::emergency_save;	3971	#cf::emergency_save;
2656	cf::write_runtime; # external watchdog should not bark
2657		3972
2658	warn "syncing database to disk";
2659	BDB::db_env_txn_checkpoint $DB_ENV;
2660
2661	# if anything goes wrong in here, we should simply crash as we already saved
2662
2663	warn "cancelling all WF_AUTOCANCEL watchers";
2664	for (Event::all_watchers) {
2665	$_->cancel if $_->data & WF_AUTOCANCEL;
2666	}
2667
2668	warn "flushing outstanding aio requests";
2669	for (;;) {
2670	BDB::flush;
2671	IO::AIO::flush;
2672	Coro::cede;
2673	last unless IO::AIO::nreqs || BDB::nreqs;
2674	warn "iterate...";
2675	}
2676
2677	++$RELOAD;
2678
2679	warn "cancelling all extension coros";	3973	trace "perl_reload: cancelling all extension coros";
2680	$_->cancel for values %EXT_CORO;	3974	$_->cancel for values %EXT_CORO;
2681	%EXT_CORO = ();	3975	%EXT_CORO = ();
2682		3976
2683	warn "removing commands";	3977	trace "perl_reload: removing commands";
2684	%COMMAND = ();	3978	%COMMAND = ();
2685		3979
2686	warn "removing ext commands";	3980	trace "perl_reload: removing ext/exti commands";
2687	%EXTCMD = ();	3981	%EXTCMD = ();
		3982	%EXTICMD = ();
2688		3983
2689	warn "unloading/nuking all extensions";	3984	trace "perl_reload: unloading/nuking all extensions";
2690	for my $pkg (@EXTS) {	3985	for my $pkg (@EXTS) {
2691	warn "... unloading $pkg";	3986	trace "... unloading $pkg";
2692		3987
2693	if (my $cb = $pkg->can ("unload")) {	3988	if (my $cb = $pkg->can ("unload")) {
2694	eval {	3989	eval {
2695	$cb->($pkg);	3990	$cb->($pkg);
2696	1	3991	1
2697	} 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;
2698	}	3997	}
2699		3998
2700	warn "... nuking $pkg";
2701	Symbol::delete_package $pkg;
2702	}
2703
2704	warn "unloading all perl modules loaded from $LIBDIR";	3999	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2705	while (my ($k, $v) = each %INC) {	4000	while (my ($k, $v) = each %INC) {
2706	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4001	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2707		4002
2708	warn "... unloading $k";	4003	trace "... unloading $k";
2709	delete $INC{$k};	4004	delete $INC{$k};
2710		4005
2711	$k =~ s/\.pm$//;	4006	$k =~ s/\.pm$//;
2712	$k =~ s/\//::/g;	4007	$k =~ s/\//::/g;
2713		4008
2714	if (my $cb = $k->can ("unload_module")) {	4009	if (my $cb = $k->can ("unload_module")) {
2715	$cb->();	4010	$cb->();
		4011	}
		4012
		4013	clear_package $k;
2716	}	4014	}
2717		4015
2718	Symbol::delete_package $k;
2719	}
2720
2721	warn "getting rid of safe::, as good as possible";	4016	trace "perl_reload: getting rid of safe::, as good as possible";
2722	Symbol::delete_package "safe::$_"	4017	clear_package "safe::$_"
2723	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);
2724		4019
2725	warn "unloading cf.pm \"a bit\"";	4020	trace "perl_reload: unloading cf.pm \"a bit\"";
2726	delete $INC{"cf.pm"};	4021	delete $INC{"cf.pm"};
2727	delete $INC{"cf/pod.pm"};	4022	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2728		4023
2729	# don't, removes xs symbols, too,	4024	# don't, removes xs symbols, too,
2730	# and global variables created in xs	4025	# and global variables created in xs
2731	#Symbol::delete_package __PACKAGE__;	4026	#clear_package __PACKAGE__;
2732		4027
2733	warn "unload completed, starting to reload now";	4028	info "perl_reload: unload completed, starting to reload now";
2734		4029
2735	warn "reloading cf.pm";	4030	trace "perl_reload: reloading cf.pm";
2736	require cf;	4031	require cf;
2737	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4032	cf::_connect_to_perl_1;
2738		4033
2739	warn "loading config and database again";	4034	trace "perl_reload: loading config and database again";
2740	cf::cfg_load;	4035	cf::reload_config;
2741		4036
2742	warn "loading extensions";	4037	trace "perl_reload: loading extensions";
2743	cf::load_extensions;	4038	cf::load_extensions;
2744		4039
		4040	if ($REATTACH_ON_RELOAD) {
2745	warn "reattaching attachments to objects/players";	4041	trace "perl_reload: reattaching attachments to objects/players";
2746	_global_reattach; # objects, sockets	4042	_global_reattach; # objects, sockets
2747	warn "reattaching attachments to maps";	4043	trace "perl_reload: reattaching attachments to maps";
2748	reattach $_ for values %MAP;	4044	reattach $_ for values %MAP;
2749	warn "reattaching attachments to players";	4045	trace "perl_reload: reattaching attachments to players";
2750	reattach $_ for values %PLAYER;	4046	reattach $_ for values %PLAYER;
		4047	}
2751		4048
2752	warn "leaving sync_job";	4049	cf::_post_init 1;
2753		4050
		4051	trace "perl_reload: leaving sync_job";
		4052
2754	1	4053	1
2755	} or do {	4054	} or do {
2756	warn $@;	4055	error $@;
2757	warn "error while reloading, exiting.";	4056	cf::cleanup "perl_reload: error, exiting.";
2758	exit 1;	4057	};
		4058
		4059	--$RELOAD;
2759	};	4060	}
2760		4061
2761	warn "reloaded";	4062	$t1 = AE::time - $t1;
		4063	info "perl_reload: completed in ${t1}s\n";
2762	};	4064	};
2763		4065
2764	our $RELOAD_WATCHER; # used only during reload	4066	our $RELOAD_WATCHER; # used only during reload
2765		4067
2766	sub reload_perl() {	4068	sub reload_perl() {
2767	# doing reload synchronously and two reloads happen back-to-back,	4069	# doing reload synchronously and two reloads happen back-to-back,
2768	# coro crashes during coro_state_free->destroy here.	4070	# coro crashes during coro_state_free->destroy here.
2769		4071
2770	$RELOAD_WATCHER ||= Event->timer (	4072	$RELOAD_WATCHER ||= cf::async {
2771	reentrant => 0,	4073	Coro::AIO::aio_wait cache_extensions;
2772	after => 0,	4074
2773	data => WF_AUTOCANCEL,	4075	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2774	cb => sub {
2775	do_reload_perl;	4076	do_reload_perl;
2776	undef $RELOAD_WATCHER;	4077	undef $RELOAD_WATCHER;
2777	},	4078	};
2778	);	4079	};
2779	}	4080	}
2780		4081
2781	register_command "reload" => sub {	4082	register_command "reload" => sub {
2782	my ($who, $arg) = @_;	4083	my ($who, $arg) = @_;
2783		4084
2784	if ($who->flag (FLAG_WIZ)) {	4085	if ($who->flag (FLAG_WIZ)) {
2785	$who->message ("reloading server.");	4086	$who->message ("reloading server.");
		4087	async {
		4088	$Coro::current->{desc} = "perl_reload";
2786	async { reload_perl };	4089	reload_perl;
		4090	};
2787	}	4091	}
2788	};	4092	};
2789		4093
2790	unshift @INC, $LIBDIR;	4094	#############################################################################
2791		4095
2792	my $bug_warning = 0;	4096	my $bug_warning = 0;
2793		4097
2794	our @WAIT_FOR_TICK;	4098	our @WAIT_FOR_TICK;
2795	our @WAIT_FOR_TICK_BEGIN;	4099	our @WAIT_FOR_TICK_BEGIN;
2796		4100
2797	sub wait_for_tick {	4101	sub wait_for_tick() {
2798	return unless $TICK_WATCHER->is_active;
2799	return if $Coro::current == $Coro::main;	4102	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2800		4103
2801	my $signal = new Coro::Signal;	4104	my $signal = new Coro::Signal;
2802	push @WAIT_FOR_TICK, $signal;	4105	push @WAIT_FOR_TICK, $signal;
2803	$signal->wait;	4106	$signal->wait;
2804	}	4107	}
2805		4108
2806	sub wait_for_tick_begin {	4109	sub wait_for_tick_begin() {
2807	return unless $TICK_WATCHER->is_active;
2808	return if $Coro::current == $Coro::main;	4110	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2809		4111
2810	my $signal = new Coro::Signal;	4112	my $signal = new Coro::Signal;
2811	push @WAIT_FOR_TICK_BEGIN, $signal;	4113	push @WAIT_FOR_TICK_BEGIN, $signal;
2812	$signal->wait;	4114	$signal->wait;
2813	}	4115	}
2814		4116
2815	$TICK_WATCHER = Event->timer (	4117	sub tick {
2816	reentrant => 0,
2817	parked => 1,
2818	prio => 0,
2819	at => $NEXT_TICK || $TICK,
2820	data => WF_AUTOCANCEL,
2821	cb => sub {
2822	if ($Coro::current != $Coro::main) {	4118	if ($Coro::current != $Coro::main) {
2823	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4119	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2824	unless ++$bug_warning > 10;	4120	unless ++$bug_warning > 10;
2825	return;	4121	return;
2826	}	4122	}
2827		4123
2828	$NOW = Event::time;
2829
2830	cf::server_tick; # one server iteration	4124	cf::server_tick; # one server iteration
2831		4125
2832	$RUNTIME += $TICK;	4126	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2833	$NEXT_TICK += $TICK;
2834		4127
2835	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4128	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2836	$NEXT_RUNTIME_WRITE = $NOW + 10;	4129	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2837	Coro::async_pool {	4130	Coro::async_pool {
		4131	$Coro::current->{desc} = "runtime saver";
2838	write_runtime	4132	write_runtime_sync
2839	or warn "ERROR: unable to write runtime file: $!";	4133	or error "ERROR: unable to write runtime file: $!";
2840	};
2841	}	4134	};
		4135	}
2842		4136
2843	# my $AFTER = Event::time;
2844	# warn $AFTER - $NOW;#d#
2845
2846	# if we are delayed by four ticks or more, skip them all
2847	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2848
2849	$TICK_WATCHER->at ($NEXT_TICK);
2850	$TICK_WATCHER->start;
2851
2852	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4137	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2853	$sig->send;	4138	$sig->send;
2854	}	4139	}
2855	while (my $sig = shift @WAIT_FOR_TICK) {	4140	while (my $sig = shift @WAIT_FOR_TICK) {
2856	$sig->send;	4141	$sig->send;
2857	}
2858
2859	_post_tick;
2860	},	4142	}
2861	);	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	}
2862		4155
2863	{	4156	{
2864	BDB::max_poll_time $TICK * 0.1;	4157	# configure BDB
2865	$BDB_POLL_WATCHER = Event->io (	4158
2866	reentrant => 0,
2867	fd => BDB::poll_fileno,
2868	poll => 'r',
2869	prio => 0,
2870	data => WF_AUTOCANCEL,
2871	cb => \&BDB::poll_cb,
2872	);
2873	BDB::min_parallel 8;	4159	BDB::min_parallel 16;
2874		4160	BDB::max_poll_reqs $TICK * 0.1;
2875	BDB::set_sync_prepare {	4161	$AnyEvent::BDB::WATCHER->priority (1);
2876	my $status;
2877	my $current = $Coro::current;
2878	(
2879	sub {
2880	$status = $!;
2881	$current->ready; undef $current;
2882	},
2883	sub {
2884	Coro::schedule while defined $current;
2885	$! = $status;
2886	},
2887	)
2888	};
2889		4162
2890	unless ($DB_ENV) {	4163	unless ($DB_ENV) {
2891	$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);
2892		4170
2893	cf::sync_job {	4171	cf::sync_job {
2894	eval {	4172	eval {
2895	BDB::db_env_open	4173	BDB::db_env_open
2896	$DB_ENV,	4174	$DB_ENV,
…		…
2898	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4176	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2899	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4177	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2900	0666;	4178	0666;
2901		4179
2902	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4180	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2903
2904	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2905	$DB_ENV->set_lk_detect;
2906	};	4181	};
2907		4182
2908	cf::cleanup "db_env_open(db): $@" if $@;	4183	cf::cleanup "db_env_open(db): $@" if $@;
2909	};	4184	};
2910	}	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	};
2911	}	4196	}
2912		4197
2913	{	4198	{
		4199	# configure IO::AIO
		4200
2914	IO::AIO::min_parallel 8;	4201	IO::AIO::min_parallel 8;
2915
2916	undef $Coro::AIO::WATCHER;
2917	IO::AIO::max_poll_time $TICK * 0.1;	4202	IO::AIO::max_poll_time $TICK * 0.1;
2918	$AIO_POLL_WATCHER = Event->io (	4203	undef $AnyEvent::AIO::WATCHER;
2919	reentrant => 0,	4204	}
2920	data => WF_AUTOCANCEL,	4205
2921	fd => IO::AIO::poll_fileno,	4206	our $_log_backtrace;
2922	poll => 'r',	4207	our $_log_backtrace_last;
2923	prio => 6,	4208
2924	cb => \&IO::AIO::poll_cb,	4209	sub _log_backtrace {
2925	);	4210	my ($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] $msg\n";
		4249	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4250	}
2926	}	4251	}
2927		4252
2928	# load additional modules	4253	# load additional modules
2929	use cf::pod;	4254	require "cf/$_.pm" for @EXTRA_MODULES;
		4255	cf::_connect_to_perl_2;
2930		4256
2931	END { cf::emergency_save }	4257	END { cf::emergency_save }
2932		4258
2933	1	4259	1
2934		4260

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