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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.258 by root, Sat Apr 21 17:43:42 2007 UTC vs.
Revision 1.560 by root, Fri Apr 22 02:03:12 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use 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	}
953	}	1562	};
954	}	1563	}
955		1564
956	#############################################################################	1565	#############################################################################
957		1566
		1567	=back
		1568
958	=head2 CORE EXTENSIONS	1569	=head2 CORE EXTENSIONS
959		1570
960	Functions and methods that extend core crossfire objects.	1571	Functions and methods that extend core deliantra objects.
961		1572
962	=cut	1573	=cut
963		1574
964	package cf::player;	1575	package cf::player;
965		1576
966	use Coro::AIO;	1577	use Coro::AIO;
967		1578
968	=head3 cf::player	1579	=head3 cf::player
969		1580
970	=over 4	1581	=over 4
		1582
		1583	=item cf::player::num_playing
		1584
		1585	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1586
		1587	=cut
		1588
		1589	sub num_playing {
		1590	scalar grep
		1591	$_->ob->map
		1592	&& !$_->hidden
		1593	&& !$_->ob->flag (cf::FLAG_WIZ),
		1594	cf::player::list
		1595	}
971		1596
972	=item cf::player::find $login	1597	=item cf::player::find $login
973		1598
974	Returns the given player object, loading it if necessary (might block).	1599	Returns the given player object, loading it if necessary (might block).
975		1600
…		…
994		1619
995	sub exists($) {	1620	sub exists($) {
996	my ($login) = @_;	1621	my ($login) = @_;
997		1622
998	$cf::PLAYER{$login}	1623	$cf::PLAYER{$login}
999	or cf::sync_job { !aio_stat path $login }	1624	or !aio_stat path $login
1000	}	1625	}
1001		1626
1002	sub find($) {	1627	sub find($) {
1003	return $cf::PLAYER{$_[0]} || do {	1628	return $cf::PLAYER{$_[0]} || do {
1004	my $login = $_[0];	1629	my $login = $_[0];
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1636	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1637	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1638	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1639	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1640
1016	my $pl = load_pl path $login	1641	my $f = new_from_file cf::object::thawer path $login
1017	or return;	1642	or return;
		1643
		1644	my $pl = cf::player::load_pl $f
		1645	or return;
		1646
		1647	local $cf::PLAYER_LOADING{$login} = $pl;
		1648	$f->resolve_delayed_derefs;
1018	$cf::PLAYER{$login} = $pl	1649	$cf::PLAYER{$login} = $pl
1019	}	1650	}
1020	}	1651	}
1021	}	1652	}
		1653
		1654	cf::player->attach (
		1655	on_load => sub {
		1656	my ($pl, $path) = @_;
		1657
		1658	# restore slots saved in save, below
		1659	my $slots = delete $pl->{_slots};
		1660
		1661	$pl->ob->current_weapon ($slots->[0]);
		1662	$pl->combat_ob ($slots->[1]);
		1663	$pl->ranged_ob ($slots->[2]);
		1664	},
		1665	);
1022		1666
1023	sub save($) {	1667	sub save($) {
1024	my ($pl) = @_;	1668	my ($pl) = @_;
1025		1669
1026	return if $pl->{deny_save};	1670	return if $pl->{deny_save};
…		…
1031	return if $pl->{deny_save};	1675	return if $pl->{deny_save};
1032		1676
1033	aio_mkdir playerdir $pl, 0770;	1677	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1678	$pl->{last_save} = $cf::RUNTIME;
1035		1679
		1680	cf::get_slot 0.01;
		1681
		1682	# save slots, to be restored later
		1683	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1684
1036	$pl->save_pl ($path);	1685	$pl->save_pl ($path);
1037	Coro::cede;	1686	cf::cede_to_tick;
1038	}	1687	}
1039		1688
1040	sub new($) {	1689	sub new($) {
1041	my ($login) = @_;	1690	my ($login) = @_;
1042		1691
…		…
1048	$cf::PLAYER{$login} = $self;	1697	$cf::PLAYER{$login} = $self;
1049		1698
1050	$self	1699	$self
1051	}	1700	}
1052		1701
		1702	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1703
		1704	=cut
		1705
		1706	sub send_msg {
		1707	my $ns = shift->ns
		1708	or return;
		1709	$ns->send_msg (@_);
		1710	}
		1711
1053	=item $pl->quit_character	1712	=item $pl->quit_character
1054		1713
1055	Nukes the player without looking back. If logged in, the connection will	1714	Nukes the player without looking back. If logged in, the connection will
1056	be destroyed. May block for a long time.	1715	be destroyed. May block for a long time.
1057		1716
…		…
1061	my ($pl) = @_;	1720	my ($pl) = @_;
1062		1721
1063	my $name = $pl->ob->name;	1722	my $name = $pl->ob->name;
1064		1723
1065	$pl->{deny_save} = 1;	1724	$pl->{deny_save} = 1;
1066	$pl->password ("*"); # this should lock out the player until we nuked the dir	1725	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1067		1726
1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1727	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1069	$pl->deactivate;	1728	$pl->deactivate;
		1729
		1730	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1070	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1731	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1732	ext::highscore::check ($pl->ob);
		1733
1071	$pl->ns->destroy if $pl->ns;	1734	$pl->ns->destroy if $pl->ns;
1072		1735
1073	my $path = playerdir $pl;	1736	my $path = playerdir $pl;
1074	my $temp = "$path~$cf::RUNTIME~deleting~";	1737	my $temp = "$path~$cf::RUNTIME~deleting~";
1075	aio_rename $path, $temp;	1738	aio_rename $path, $temp;
…		…
1110	or return [];	1773	or return [];
1111		1774
1112	my @logins;	1775	my @logins;
1113		1776
1114	for my $login (@$dirs) {	1777	for my $login (@$dirs) {
		1778	my $path = path $login;
		1779
		1780	# a .pst is a dead give-away for a valid player
		1781	# if no pst file found, open and chekc for blocked users
		1782	if (aio_stat "$path.pst") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1783	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1784	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1785	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1786	}
1118		1787
1119	utf8::decode $login;	1788	utf8::decode $login;
1120	push @logins, $login;	1789	push @logins, $login;
1121	}	1790	}
1122		1791
1123	\@logins	1792	\@logins
1124	}	1793	}
1125		1794
1126	=item $player->maps	1795	=item $player->maps
		1796
		1797	=item cf::player::maps $login
1127		1798
1128	Returns an arrayref of map paths that are private for this	1799	Returns an arrayref of map paths that are private for this
1129	player. May block.	1800	player. May block.
1130		1801
1131	=cut	1802	=cut
…		…
1149	}	1820	}
1150		1821
1151	\@paths	1822	\@paths
1152	}	1823	}
1153		1824
		1825	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1826
		1827	Expand deliantra pod fragments into protocol xml.
		1828
1154	=item $player->ext_reply ($msgid, %msg)	1829	=item $player->ext_reply ($msgid, @msg)
1155		1830
1156	Sends an ext reply to the player.	1831	Sends an ext reply to the player.
1157		1832
1158	=cut	1833	=cut
1159		1834
1160	sub ext_reply($$%) {	1835	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1836	my ($self, $id, @msg) = @_;
1162		1837
1163	$msg{msgid} = $id;	1838	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1839	}
1167		1840
1168	=item $player->ext_event ($type, %msg)	1841	=item $player->ext_msg ($type, @msg)
1169		1842
1170	Sends an ext event to the client.	1843	Sends an ext event to the client.
1171		1844
1172	=cut	1845	=cut
1173		1846
1174	sub ext_event($$%) {	1847	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1848	my ($self, $type, @msg) = @_;
1176		1849
1177	$self->ns->ext_event ($type, %msg);	1850	$self->ns->ext_msg ($type, @msg);
1178	}	1851	}
1179		1852
1180	=head3 cf::region	1853	=head3 cf::region
1181		1854
1182	=over 4	1855	=over 4
…		…
1185		1858
1186	package cf::region;	1859	package cf::region;
1187		1860
1188	=item cf::region::find_by_path $path	1861	=item cf::region::find_by_path $path
1189		1862
1190	Tries to decuce the probable region for a map knowing only its path.	1863	Tries to decuce the likely region for a map knowing only its path.
1191		1864
1192	=cut	1865	=cut
1193		1866
1194	sub find_by_path($) {	1867	sub find_by_path($) {
1195	my ($path) = @_;	1868	my ($path) = @_;
1196		1869
		1870	$path =~ s/^~[^\/]*//; # skip ~login
		1871
1197	my ($match, $specificity);	1872	my ($match, $specificity);
1198		1873
1199	for my $region (list) {	1874	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1875	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1876	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1877	if $region->specificity > $specificity;
1203	}	1878	}
1204	}	1879	}
1205		1880
…		…
1226	our $MAX_RESET = 3600;	1901	our $MAX_RESET = 3600;
1227	our $DEFAULT_RESET = 3000;	1902	our $DEFAULT_RESET = 3000;
1228		1903
1229	sub generate_random_map {	1904	sub generate_random_map {
1230	my ($self, $rmp) = @_;	1905	my ($self, $rmp) = @_;
1231	# mit "rum" bekleckern, nicht	1906
		1907	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1908
1232	$self->_create_random_map (	1909	$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	}	1910	}
1246		1911
1247	=item cf::map->register ($regex, $prio)	1912	=item cf::map->register ($regex, $prio)
1248		1913
1249	Register a handler for the map path matching the given regex at the	1914	Register a handler for the map path matching the given regex at the
…		…
1254		1919
1255	sub register {	1920	sub register {
1256	my (undef, $regex, $prio) = @_;	1921	my (undef, $regex, $prio) = @_;
1257	my $pkg = caller;	1922	my $pkg = caller;
1258		1923
1259	no strict;
1260	push @{"$pkg\::ISA"}, __PACKAGE__;	1924	push @{"$pkg\::ISA"}, __PACKAGE__;
1261		1925
1262	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1926	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1263	}	1927	}
1264		1928
1265	# also paths starting with '/'	1929	# also paths starting with '/'
1266	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1930	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1267		1931
1268	sub thawer_merge {	1932	sub thawer_merge {
1269	my ($self, $merge) = @_;	1933	my ($self, $merge) = @_;
1270		1934
1271	# we have to keep some variables in memory intact	1935	# we have to keep some variables in memory intact
1272	local $self->{path};	1936	local $self->{path};
1273	local $self->{load_path};	1937	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1938
1277	$self->SUPER::thawer_merge ($merge);	1939	$self->SUPER::thawer_merge ($merge);
1278	}	1940	}
1279		1941
1280	sub normalise {	1942	sub normalise {
1281	my ($path, $base) = @_;	1943	my ($path, $base) = @_;
1282		1944
1283	$path = "$path"; # make sure its a string	1945	$path = "$path"; # make sure it's a string
1284		1946
1285	$path =~ s/\.map$//;	1947	$path =~ s/\.map$//;
1286		1948
1287	# map plan:	1949	# map plan:
1288	#	1950	#
…		…
1303	$base =~ s{[^/]+/?$}{};	1965	$base =~ s{[^/]+/?$}{};
1304	$path = "$base/$path";	1966	$path = "$base/$path";
1305	}	1967	}
1306		1968
1307	for ($path) {	1969	for ($path) {
1308	redo if s{//}{/};
1309	redo if s{/\.?/}{/};	1970	redo if s{/\.?/}{/};
1310	redo if s{/[^/]+/\.\./}{/};	1971	redo if s{/[^/]+/\.\./}{/};
1311	}	1972	}
1312		1973
1313	$path	1974	$path
…		…
1327	$self->init; # pass $1 etc.	1988	$self->init; # pass $1 etc.
1328	return $self;	1989	return $self;
1329	}	1990	}
1330	}	1991	}
1331		1992
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1993	Carp::cluck "unable to resolve path '$path' (base '$base')";
1333	()	1994	()
1334	}	1995	}
1335		1996
1336	sub init {	1997	sub init {
1337	my ($self) = @_;	1998	my ($self) = @_;
…		…
1359		2020
1360	# the temporary/swap location	2021	# the temporary/swap location
1361	sub save_path {	2022	sub save_path {
1362	my ($self) = @_;	2023	my ($self) = @_;
1363		2024
1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2025	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365	"$TMPDIR/$path.map"	2026	"$TMPDIR/$path.map"
1366	}	2027	}
1367		2028
1368	# the unique path, undef == no special unique path	2029	# the unique path, undef == no special unique path
1369	sub uniq_path {	2030	sub uniq_path {
1370	my ($self) = @_;	2031	my ($self) = @_;
1371		2032
1372	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2033	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373	"$UNIQUEDIR/$path"	2034	"$UNIQUEDIR/$path"
1374	}	2035	}
1375		2036
1376	# and all this just because we cannot iterate over	2037	sub decay_objects {
1377	# all maps in C++...
1378	sub change_all_map_light {
1379	my ($change) = @_;	2038	my ($self) = @_;
1380		2039
1381	$_->change_map_light ($change)	2040	return if $self->{deny_reset};
1382	for grep $_->outdoor, values %cf::MAP;	2041
		2042	$self->do_decay_objects;
1383	}	2043	}
1384		2044
1385	sub unlink_save {	2045	sub unlink_save {
1386	my ($self) = @_;	2046	my ($self) = @_;
1387		2047
…		…
1392		2052
1393	sub load_header_from($) {	2053	sub load_header_from($) {
1394	my ($self, $path) = @_;	2054	my ($self, $path) = @_;
1395		2055
1396	utf8::encode $path;	2056	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	2057	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	2058	or return;
		2059
		2060	$self->_load_header ($f)
		2061	or return;
		2062
		2063	local $MAP_LOADING{$self->{path}} = $self;
		2064	$f->resolve_delayed_derefs;
1402		2065
1403	$self->{load_path} = $path;	2066	$self->{load_path} = $path;
1404		2067
1405	1	2068	1
1406	}	2069	}
…		…
1445	$self->load_header_orig	2108	$self->load_header_orig
1446	or return;	2109	or return;
1447	$self->prepare_orig;	2110	$self->prepare_orig;
1448	}	2111	}
1449		2112
		2113	$self->{deny_reset} = 1
		2114	if $self->no_reset;
		2115
1450	$self->default_region (cf::region::find_by_path $self->{path})	2116	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	2117	unless $self->default_region;
1452		2118
1453	1	2119	1
1454	}	2120	}
1455		2121
1456	sub find;	2122	sub find;
1457	sub find {	2123	sub find {
1458	my ($path, $origin) = @_;	2124	my ($path, $origin) = @_;
1459		2125
		2126	cf::cede_to_tick;
		2127
1460	$path = normalise $path, $origin && $origin->path;	2128	$path = normalise $path, $origin && $origin->path;
1461		2129
		2130	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	2131	my $guard2 = cf::lock_acquire "map_find:$path";
1463		2132
1464	$cf::MAP{$path} || do {	2133	$cf::MAP{$path} || do {
1465	my $guard = cf::lock_acquire "map_find:$path";
1466	my $map = new_from_path cf::map $path	2134	my $map = new_from_path cf::map $path
1467	or return;	2135	or return;
1468		2136
1469	$map->{last_save} = $cf::RUNTIME;	2137	$map->{last_save} = $cf::RUNTIME;
1470		2138
1471	$map->load_header	2139	$map->load_header
1472	or return;	2140	or return;
1473		2141
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2142	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	2143	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	2144	#$cf::WAIT_FOR_TICK->wait;
		2145	undef $guard2;
		2146	undef $guard1;
1477	$map->reset;	2147	$map->reset;
1478	undef $guard;
1479	return find $path;	2148	return find $path;
1480	}	2149	}
1481		2150
1482	$cf::MAP{$path} = $map	2151	$cf::MAP{$path} = $map
1483	}	2152	}
1484	}	2153	}
1485		2154
1486	sub pre_load { }	2155	sub pre_load { }
1487	sub post_load { }	2156	#sub post_load { } # XS
1488		2157
1489	sub load {	2158	sub load {
1490	my ($self) = @_;	2159	my ($self) = @_;
1491		2160
1492	local $self->{deny_reset} = 1; # loading can take a long time	2161	local $self->{deny_reset} = 1; # loading can take a long time
1493		2162
1494	my $path = $self->{path};	2163	my $path = $self->{path};
1495		2164
1496	{	2165	{
1497	my $guard = cf::lock_acquire "map_load:$path";	2166	my $guard = cf::lock_acquire "map_data:$path";
1498		2167
		2168	return unless $self->valid;
1499	return if $self->in_memory != cf::MAP_SWAPPED;	2169	return unless $self->in_memory == cf::MAP_SWAPPED;
1500		2170
1501	$self->in_memory (cf::MAP_LOADING);	2171	$self->in_memory (cf::MAP_LOADING);
1502		2172
1503	$self->alloc;	2173	$self->alloc;
1504		2174
1505	$self->pre_load;	2175	$self->pre_load;
1506	Coro::cede;	2176	cf::cede_to_tick;
1507		2177
		2178	my $f = new_from_file cf::object::thawer $self->{load_path};
		2179	$f->skip_block;
1508	$self->_load_objects ($self->{load_path}, 1)	2180	$self->_load_objects ($f)
1509	or return;	2181	or return;
1510		2182
1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2183	$self->post_load_original
1512	if delete $self->{load_original};	2184	if delete $self->{load_original};
1513		2185
1514	if (my $uniq = $self->uniq_path) {	2186	if (my $uniq = $self->uniq_path) {
1515	utf8::encode $uniq;	2187	utf8::encode $uniq;
1516	if (aio_open $uniq, O_RDONLY, 0) {	2188	unless (aio_stat $uniq) {
		2189	if (my $f = new_from_file cf::object::thawer $uniq) {
1517	$self->clear_unique_items;	2190	$self->clear_unique_items;
1518	$self->_load_objects ($uniq, 0);	2191	$self->_load_objects ($f);
		2192	$f->resolve_delayed_derefs;
		2193	}
1519	}	2194	}
1520	}	2195	}
1521		2196
1522	Coro::cede;	2197	$f->resolve_delayed_derefs;
		2198
		2199	cf::cede_to_tick;
1523	# now do the right thing for maps	2200	# now do the right thing for maps
1524	$self->link_multipart_objects;	2201	$self->link_multipart_objects;
1525	$self->difficulty ($self->estimate_difficulty)	2202	$self->difficulty ($self->estimate_difficulty)
1526	unless $self->difficulty;	2203	unless $self->difficulty;
1527	Coro::cede;	2204	cf::cede_to_tick;
1528		2205
1529	unless ($self->{deny_activate}) {	2206	unless ($self->{deny_activate}) {
1530	$self->decay_objects;	2207	$self->decay_objects;
1531	$self->fix_auto_apply;	2208	$self->fix_auto_apply;
1532	$self->update_buttons;	2209	$self->update_buttons;
1533	Coro::cede;	2210	cf::cede_to_tick;
1534	$self->set_darkness_map;
1535	Coro::cede;
1536	$self->activate;	2211	$self->activate;
1537	}	2212	}
1538		2213
		2214	$self->{last_save} = $cf::RUNTIME;
		2215	$self->last_access ($cf::RUNTIME);
		2216
1539	$self->in_memory (cf::MAP_IN_MEMORY);	2217	$self->in_memory (cf::MAP_ACTIVE);
1540	}	2218	}
1541		2219
1542	$self->post_load;	2220	$self->post_load;
1543	}
1544		2221
		2222	1
		2223	}
		2224
		2225	# customize the map for a given player, i.e.
		2226	# return the _real_ map. used by e.g. per-player
		2227	# maps to change the path to ~playername/mappath
1545	sub customise_for {	2228	sub customise_for {
1546	my ($self, $ob) = @_;	2229	my ($self, $ob) = @_;
1547		2230
1548	return find "~" . $ob->name . "/" . $self->{path}	2231	return find "~" . $ob->name . "/" . $self->{path}
1549	if $self->per_player;	2232	if $self->per_player;
1550		2233
		2234	# return find "?party/" . $ob->name . "/" . $self->{path}
		2235	# if $self->per_party;
		2236
1551	$self	2237	$self
1552	}	2238	}
1553		2239
1554	# find and load all maps in the 3x3 area around a map	2240	# find and load all maps in the 3x3 area around a map
1555	sub load_diag {	2241	sub load_neighbours {
1556	my ($map) = @_;	2242	my ($map) = @_;
1557		2243
1558	my @diag; # diagonal neighbours	2244	my @neigh; # diagonal neighbours
1559		2245
1560	for (0 .. 3) {	2246	for (0 .. 3) {
1561	my $neigh = $map->tile_path ($_)	2247	my $neigh = $map->tile_path ($_)
1562	or next;	2248	or next;
1563	$neigh = find $neigh, $map	2249	$neigh = find $neigh, $map
1564	or next;	2250	or next;
1565	$neigh->load;	2251	$neigh->load;
1566		2252
		2253	# now find the diagonal neighbours
		2254	push @neigh,
1567	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2255	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1568	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2256	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1569	}	2257	}
1570		2258
1571	for (@diag) {	2259	for (grep defined $_->[0], @neigh) {
		2260	my ($path, $origin) = @$_;
1572	my $neigh = find @$_	2261	my $neigh = find $path, $origin
1573	or next;	2262	or next;
1574	$neigh->load;	2263	$neigh->load;
1575	}	2264	}
1576	}	2265	}
1577		2266
1578	sub find_sync {	2267	sub find_sync {
1579	my ($path, $origin) = @_;	2268	my ($path, $origin) = @_;
1580		2269
1581	cf::sync_job { find $path, $origin }	2270	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2271	if $Coro::current == $Coro::main;
		2272
		2273	find $path, $origin
1582	}	2274	}
1583		2275
1584	sub do_load_sync {	2276	sub do_load_sync {
1585	my ($map) = @_;	2277	my ($map) = @_;
1586		2278
1587	cf::sync_job { $map->load };	2279	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2280	if $Coro::current == $Coro::main;
		2281
		2282	$map->load;
1588	}	2283	}
1589		2284
1590	our %MAP_PREFETCH;	2285	our %MAP_PREFETCH;
1591	our $MAP_PREFETCHER = undef;	2286	our $MAP_PREFETCHER = undef;
1592		2287
1593	sub find_async {	2288	sub find_async {
1594	my ($path, $origin) = @_;	2289	my ($path, $origin, $load) = @_;
1595		2290
1596	$path = normalise $path, $origin && $origin->{path};	2291	$path = normalise $path, $origin && $origin->{path};
1597		2292
1598	if (my $map = $cf::MAP{$path}) {	2293	if (my $map = $cf::MAP{$path}) {
1599	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2294	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1600	}	2295	}
1601		2296
1602	undef $MAP_PREFETCH{$path};	2297	$MAP_PREFETCH{$path} |= $load;
		2298
1603	$MAP_PREFETCHER ||= cf::async {	2299	$MAP_PREFETCHER ||= cf::async {
		2300	$Coro::current->{desc} = "map prefetcher";
		2301
1604	while (%MAP_PREFETCH) {	2302	while (%MAP_PREFETCH) {
1605	for my $path (keys %MAP_PREFETCH) {	2303	while (my ($k, $v) = each %MAP_PREFETCH) {
1606	my $map = find $path	2304	if (my $map = find $k) {
1607	or next;
1608	$map->load;	2305	$map->load if $v;
		2306	}
1609		2307
1610	delete $MAP_PREFETCH{$path};	2308	delete $MAP_PREFETCH{$k};
1611	}	2309	}
1612	}	2310	}
1613	undef $MAP_PREFETCHER;	2311	undef $MAP_PREFETCHER;
1614	};	2312	};
1615	$MAP_PREFETCHER->prio (6);	2313	$MAP_PREFETCHER->prio (6);
1616		2314
1617	()	2315	()
1618	}	2316	}
1619		2317
		2318	# common code, used by both ->save and ->swapout
1620	sub save {	2319	sub _save {
1621	my ($self) = @_;	2320	my ($self) = @_;
1622
1623	my $lock = cf::lock_acquire "map_data:" . $self->path;
1624		2321
1625	$self->{last_save} = $cf::RUNTIME;	2322	$self->{last_save} = $cf::RUNTIME;
1626		2323
1627	return unless $self->dirty;	2324	return unless $self->dirty;
1628		2325
…		…
1634	return if $self->{deny_save};	2331	return if $self->{deny_save};
1635		2332
1636	local $self->{last_access} = $self->last_access;#d#	2333	local $self->{last_access} = $self->last_access;#d#
1637		2334
1638	cf::async {	2335	cf::async {
		2336	$Coro::current->{desc} = "map player save";
1639	$_->contr->save for $self->players;	2337	$_->contr->save for $self->players;
1640	};	2338	};
		2339
		2340	cf::get_slot 0.02;
1641		2341
1642	if ($uniq) {	2342	if ($uniq) {
1643	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2343	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1644	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2344	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1645	} else {	2345	} else {
1646	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2346	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1647	}	2347	}
1648	}	2348	}
1649		2349
		2350	sub save {
		2351	my ($self) = @_;
		2352
		2353	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2354
		2355	$self->_save;
		2356	}
		2357
1650	sub swap_out {	2358	sub swap_out {
1651	my ($self) = @_;	2359	my ($self) = @_;
1652		2360
1653	# save first because save cedes
1654	$self->save;
1655
1656	my $lock = cf::lock_acquire "map_data:" . $self->path;	2361	my $lock = cf::lock_acquire "map_data:$self->{path}";
1657		2362
		2363	return if $self->in_memory != cf::MAP_ACTIVE;
		2364	return if $self->{deny_save};
1658	return if $self->players;	2365	return if $self->players;
1659	return if $self->in_memory != cf::MAP_IN_MEMORY;
1660	return if $self->{deny_save};
1661		2366
		2367	# first deactivate the map and "unlink" it from the core
		2368	$self->deactivate;
		2369	$_->clear_links_to ($self) for values %cf::MAP;
		2370	$self->in_memory (cf::MAP_SWAPPED);
		2371
		2372	# then atomically save
		2373	$self->_save;
		2374
		2375	# then free the map
1662	$self->clear;	2376	$self->clear;
1663	$self->in_memory (cf::MAP_SWAPPED);
1664	}	2377	}
1665		2378
1666	sub reset_at {	2379	sub reset_at {
1667	my ($self) = @_;	2380	my ($self) = @_;
1668		2381
1669	# TODO: safety, remove and allow resettable per-player maps	2382	# 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};	2383	return 1e99 if $self->{deny_reset};
1672		2384
1673	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2385	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1674	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2386	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1675		2387
…		…
1686	my ($self) = @_;	2398	my ($self) = @_;
1687		2399
1688	my $lock = cf::lock_acquire "map_data:$self->{path}";	2400	my $lock = cf::lock_acquire "map_data:$self->{path}";
1689		2401
1690	return if $self->players;	2402	return if $self->players;
1691	return if $self->isa ("ext::map_per_player");#d#
1692		2403
1693	warn "resetting map ", $self->path;#d#	2404	cf::trace "resetting map ", $self->path, "\n";
1694		2405
1695	$self->in_memory (cf::MAP_SWAPPED);	2406	$self->in_memory (cf::MAP_SWAPPED);
1696		2407
1697	# need to save uniques path	2408	# need to save uniques path
1698	unless ($self->{deny_save}) {	2409	unless ($self->{deny_save}) {
…		…
1702	if $uniq;	2413	if $uniq;
1703	}	2414	}
1704		2415
1705	delete $cf::MAP{$self->path};	2416	delete $cf::MAP{$self->path};
1706		2417
		2418	$self->deactivate;
		2419	$_->clear_links_to ($self) for values %cf::MAP;
1707	$self->clear;	2420	$self->clear;
1708
1709	$_->clear_links_to ($self) for values %cf::MAP;
1710		2421
1711	$self->unlink_save;	2422	$self->unlink_save;
1712	$self->destroy;	2423	$self->destroy;
1713	}	2424	}
1714		2425
1715	my $nuke_counter = "aaaa";	2426	my $nuke_counter = "aaaa";
1716		2427
1717	sub nuke {	2428	sub nuke {
1718	my ($self) = @_;	2429	my ($self) = @_;
1719		2430
		2431	{
		2432	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2433
1720	delete $cf::MAP{$self->path};	2434	delete $cf::MAP{$self->path};
1721		2435
1722	$self->unlink_save;	2436	$self->unlink_save;
1723		2437
1724	bless $self, "cf::map";	2438	bless $self, "cf::map::wrap";
1725	delete $self->{deny_reset};	2439	delete $self->{deny_reset};
1726	$self->{deny_save} = 1;	2440	$self->{deny_save} = 1;
1727	$self->reset_timeout (1);	2441	$self->reset_timeout (1);
1728	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2442	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1729		2443
1730	$cf::MAP{$self->path} = $self;	2444	$cf::MAP{$self->path} = $self;
		2445	}
1731		2446
1732	$self->reset; # polite request, might not happen	2447	$self->reset; # polite request, might not happen
		2448	}
		2449
		2450	=item $maps = cf::map::tmp_maps
		2451
		2452	Returns an arrayref with all map paths of currently instantiated and saved
		2453	maps. May block.
		2454
		2455	=cut
		2456
		2457	sub tmp_maps() {
		2458	[
		2459	map {
		2460	utf8::decode $_;
		2461	/\.map$/
		2462	? normalise $_
		2463	: ()
		2464	} @{ aio_readdir $TMPDIR or [] }
		2465	]
		2466	}
		2467
		2468	=item $maps = cf::map::random_maps
		2469
		2470	Returns an arrayref with all map paths of currently instantiated and saved
		2471	random maps. May block.
		2472
		2473	=cut
		2474
		2475	sub random_maps() {
		2476	[
		2477	map {
		2478	utf8::decode $_;
		2479	/\.map$/
		2480	? normalise "?random/$_"
		2481	: ()
		2482	} @{ aio_readdir $RANDOMDIR or [] }
		2483	]
1733	}	2484	}
1734		2485
1735	=item cf::map::unique_maps	2486	=item cf::map::unique_maps
1736		2487
1737	Returns an arrayref of paths of all shared maps that have	2488	Returns an arrayref of paths of all shared maps that have
1738	instantiated unique items. May block.	2489	instantiated unique items. May block.
1739		2490
1740	=cut	2491	=cut
1741		2492
1742	sub unique_maps() {	2493	sub unique_maps() {
1743	my $files = aio_readdir $UNIQUEDIR	2494	[
1744	or return;	2495	map {
1745
1746	my @paths;
1747
1748	for (@$files) {
1749	utf8::decode $_;	2496	utf8::decode $_;
1750	next if /\.pst$/;	2497	s/\.map$//; # TODO future compatibility hack
1751	next unless /^$PATH_SEP/o;	2498	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1752		2499	? ()
1753	push @paths, cf::map::normalise $_;	2500	: normalise $_
		2501	} @{ aio_readdir $UNIQUEDIR or [] }
1754	}	2502	]
1755
1756	\@paths
1757	}	2503	}
1758		2504
1759	package cf;	2505	=item cf::map::static_maps
		2506
		2507	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2508	file in the shared directory excluding F</styles> and F</editor>). May
		2509	block.
		2510
		2511	=cut
		2512
		2513	sub static_maps() {
		2514	my @dirs = "";
		2515	my @maps;
		2516
		2517	while (@dirs) {
		2518	my $dir = shift @dirs;
		2519
		2520	next if $dir eq "/styles" || $dir eq "/editor";
		2521
		2522	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2523	or return;
		2524
		2525	for (@$files) {
		2526	s/\.map$// or next;
		2527	utf8::decode $_;
		2528	push @maps, "$dir/$_";
		2529	}
		2530
		2531	push @dirs, map "$dir/$_", @$dirs;
		2532	}
		2533
		2534	\@maps
		2535	}
1760		2536
1761	=back	2537	=back
1762		2538
1763	=head3 cf::object	2539	=head3 cf::object
1764		2540
…		…
1768		2544
1769	=over 4	2545	=over 4
1770		2546
1771	=item $ob->inv_recursive	2547	=item $ob->inv_recursive
1772		2548
1773	Returns the inventory of the object _and_ their inventories, recursively.	2549	Returns the inventory of the object I<and> their inventories, recursively,
		2550	but I<not> the object itself.
1774		2551
1775	=cut	2552	=cut
1776		2553
1777	sub inv_recursive_;	2554	sub inv_recursive_;
1778	sub inv_recursive_ {	2555	sub inv_recursive_ {
…		…
1781		2558
1782	sub inv_recursive {	2559	sub inv_recursive {
1783	inv_recursive_ inv $_[0]	2560	inv_recursive_ inv $_[0]
1784	}	2561	}
1785		2562
		2563	=item $ref = $ob->ref
		2564
		2565	Creates and returns a persistent reference to an object that can be stored as a string.
		2566
		2567	=item $ob = cf::object::deref ($refstring)
		2568
		2569	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2570	even if the object actually exists. May block.
		2571
		2572	=cut
		2573
		2574	sub deref {
		2575	my ($ref) = @_;
		2576
		2577	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2578	my ($uuid, $name) = ($1, $2);
		2579	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2580	or return;
		2581	$pl->ob->uuid eq $uuid
		2582	or return;
		2583
		2584	$pl->ob
		2585	} else {
		2586	warn "$ref: cannot resolve object reference\n";
		2587	undef
		2588	}
		2589	}
		2590
1786	package cf;	2591	package cf;
1787		2592
1788	=back	2593	=back
1789		2594
1790	=head3 cf::object::player	2595	=head3 cf::object::player
…		…
1796	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2601	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	2602	can be C<undef>. Does the right thing when the player is currently in a
1798	dialogue with the given NPC character.	2603	dialogue with the given NPC character.
1799		2604
1800	=cut	2605	=cut
		2606
		2607	our $SAY_CHANNEL = {
		2608	id => "say",
		2609	title => "Map",
		2610	reply => "say ",
		2611	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2612	};
		2613
		2614	our $CHAT_CHANNEL = {
		2615	id => "chat",
		2616	title => "Chat",
		2617	reply => "chat ",
		2618	tooltip => "Player chat and shouts, global to the server.",
		2619	};
1801		2620
1802	# rough implementation of a future "reply" method that works	2621	# rough implementation of a future "reply" method that works
1803	# with dialog boxes.	2622	# with dialog boxes.
1804	#TODO: the first argument must go, split into a $npc->reply_to ( method	2623	#TODO: the first argument must go, split into a $npc->reply_to ( method
1805	sub cf::object::player::reply($$$;$) {	2624	sub cf::object::player::reply($$$;$) {
…		…
1807		2626
1808	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2627	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1809		2628
1810	if ($self->{record_replies}) {	2629	if ($self->{record_replies}) {
1811	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2630	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2631
1812	} else {	2632	} else {
		2633	my $pl = $self->contr;
		2634
		2635	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2636	my $dialog = $pl->{npc_dialog};
		2637	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2638
		2639	} else {
1813	$msg = $npc->name . " says: $msg" if $npc;	2640	$msg = $npc->name . " says: $msg" if $npc;
1814	$self->message ($msg, $flags);	2641	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2642	}
1815	}	2643	}
		2644	}
		2645
		2646	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2647
		2648	=cut
		2649
		2650	sub cf::object::send_msg {
		2651	my $pl = shift->contr
		2652	or return;
		2653	$pl->send_msg (@_);
1816	}	2654	}
1817		2655
1818	=item $player_object->may ("access")	2656	=item $player_object->may ("access")
1819		2657
1820	Returns wether the given player is authorized to access resource "access"	2658	Returns wether the given player is authorized to access resource "access"
…		…
1833		2671
1834	=item $player_object->enter_link	2672	=item $player_object->enter_link
1835		2673
1836	Freezes the player and moves him/her to a special map (C<{link}>).	2674	Freezes the player and moves him/her to a special map (C<{link}>).
1837		2675
1838	The player should be reasonably safe there for short amounts of time. You	2676	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.	2677	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2678	though, as the player cannot control the character while it is on the link
		2679	map.
1840		2680
1841	Will never block.	2681	Will never block.
1842		2682
1843	=item $player_object->leave_link ($map, $x, $y)	2683	=item $player_object->leave_link ($map, $x, $y)
1844		2684
…		…
1862	}	2702	}
1863		2703
1864	sub cf::object::player::enter_link {	2704	sub cf::object::player::enter_link {
1865	my ($self) = @_;	2705	my ($self) = @_;
1866		2706
1867	$self->activate_recursive;	2707	$self->deactivate_recursive;
		2708
		2709	++$self->{_link_recursion};
1868		2710
1869	return if UNIVERSAL::isa $self->map, "ext::map_link";	2711	return if UNIVERSAL::isa $self->map, "ext::map_link";
1870		2712
1871	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2713	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1872	if $self->map;	2714	if $self->map && $self->map->{path} ne "{link}";
1873		2715
1874	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2716	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1875	}	2717	}
1876		2718
1877	sub cf::object::player::leave_link {	2719	sub cf::object::player::leave_link {
1878	my ($self, $map, $x, $y) = @_;	2720	my ($self, $map, $x, $y) = @_;
		2721
		2722	return unless $self->contr->active;
1879		2723
1880	my $link_pos = delete $self->{_link_pos};	2724	my $link_pos = delete $self->{_link_pos};
1881		2725
1882	unless ($map) {	2726	unless ($map) {
1883	# restore original map position	2727	# restore original map position
…		…
1894	($x, $y) = (-1, -1)	2738	($x, $y) = (-1, -1)
1895	unless (defined $x) && (defined $y);	2739	unless (defined $x) && (defined $y);
1896		2740
1897	# use -1 or undef as default coordinates, not 0, 0	2741	# use -1 or undef as default coordinates, not 0, 0
1898	($x, $y) = ($map->enter_x, $map->enter_y)	2742	($x, $y) = ($map->enter_x, $map->enter_y)
1899	if $x <=0 && $y <= 0;	2743	if $x <= 0 && $y <= 0;
1900		2744
1901	$map->load;	2745	$map->load;
1902	$map->load_diag;	2746	$map->load_neighbours;
1903		2747
1904	return unless $self->contr->active;	2748	return unless $self->contr->active;
1905	$self->activate_recursive;
1906		2749
1907	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2750	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1908	$self->enter_map ($map, $x, $y);	2751	if ($self->enter_map ($map, $x, $y)) {
1909	}	2752	# entering was successful
1910		2753	delete $self->{_link_recursion};
1911	cf::player->attach (	2754	# only activate afterwards, to support waiting in hooks
1912	on_logout => sub {	2755	$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	},	2756	}
1922	on_login => sub {
1923	my ($pl) = @_;
1924		2757
1925	# try to abort aborted map switching on player login :)	2758	}
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		2759
1943	=item $player_object->goto ($path, $x, $y)	2760	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1944		2761
		2762	Moves the player to the given map-path and coordinates by first freezing
		2763	her, loading and preparing them map, calling the provided $check callback
		2764	that has to return the map if sucecssful, and then unfreezes the player on
		2765	the new (success) or old (failed) map position. In either case, $done will
		2766	be called at the end of this process.
		2767
		2768	Note that $check will be called with a potentially non-loaded map, so if
		2769	it needs a loaded map it has to call C<< ->load >>.
		2770
1945	=cut	2771	=cut
		2772
		2773	our $GOTOGEN;
1946		2774
1947	sub cf::object::player::goto {	2775	sub cf::object::player::goto {
1948	my ($self, $path, $x, $y) = @_;	2776	my ($self, $path, $x, $y, $check, $done) = @_;
		2777
		2778	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2779	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2780	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2781	($path, $x, $y) = @$EMERGENCY_POSITION;
		2782	}
		2783
		2784	# do generation counting so two concurrent goto's will be executed in-order
		2785	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1949		2786
1950	$self->enter_link;	2787	$self->enter_link;
1951		2788
1952	(async {	2789	(async {
		2790	$Coro::current->{desc} = "player::goto $path $x $y";
		2791
		2792	# *tag paths override both path and x|y
		2793	if ($path =~ /^\*(.*)$/) {
		2794	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2795	my $ob = $obs[rand @obs];
		2796
		2797	# see if we actually can go there
		2798	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2799	$ob = $obs[rand @obs];
		2800	} else {
		2801	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2802	}
		2803	# else put us there anyways for now #d#
		2804
		2805	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2806	} else {
		2807	($path, $x, $y) = (undef, undef, undef);
		2808	}
		2809	}
		2810
1953	my $map = eval {	2811	my $map = eval {
1954	my $map = cf::map::find $path;	2812	my $map = defined $path ? cf::map::find $path : undef;
		2813
		2814	if ($map) {
1955	$map = $map->customise_for ($self) if $map;	2815	$map = $map->customise_for ($self);
		2816	$map = $check->($map, $x, $y, $self) if $check && $map;
		2817	} else {
		2818	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2819	}
		2820
1956	$map	2821	$map
		2822	};
		2823
		2824	if ($@) {
		2825	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2826	LOG llevError | logBacktrace, Carp::longmess $@;
1957	} or	2827	}
1958	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1959		2828
		2829	if ($gen == $self->{_goto_generation}) {
		2830	delete $self->{_goto_generation};
1960	$self->leave_link ($map, $x, $y);	2831	$self->leave_link ($map, $x, $y);
		2832	}
		2833
		2834	$done->($self) if $done;
1961	})->prio (1);	2835	})->prio (1);
1962	}	2836	}
1963		2837
1964	=item $player_object->enter_exit ($exit_object)	2838	=item $player_object->enter_exit ($exit_object)
1965		2839
…		…
1985	}	2859	}
1986		2860
1987	sub prepare_random_map {	2861	sub prepare_random_map {
1988	my ($exit) = @_;	2862	my ($exit) = @_;
1989		2863
1990	my $guard = cf::lock_acquire "exit_prepare:$exit";
1991
1992	# all this does is basically replace the /! path by	2864	# all this does is basically replace the /! path by
1993	# a new random map path (?random/...) with a seed	2865	# a new random map path (?random/...) with a seed
1994	# that depends on the exit object	2866	# that depends on the exit object
1995		2867
1996	my $rmp = parse_random_map_params $exit->msg;	2868	my $rmp = parse_random_map_params $exit->msg;
…		…
1998	if ($exit->map) {	2870	if ($exit->map) {
1999	$rmp->{region} = $exit->region->name;	2871	$rmp->{region} = $exit->region->name;
2000	$rmp->{origin_map} = $exit->map->path;	2872	$rmp->{origin_map} = $exit->map->path;
2001	$rmp->{origin_x} = $exit->x;	2873	$rmp->{origin_x} = $exit->x;
2002	$rmp->{origin_y} = $exit->y;	2874	$rmp->{origin_y} = $exit->y;
		2875
		2876	$exit->map->touch;
2003	}	2877	}
2004		2878
2005	$rmp->{random_seed} ||= $exit->random_seed;	2879	$rmp->{random_seed} ||= $exit->random_seed;
2006		2880
2007	my $data = cf::to_json $rmp;	2881	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2008	my $md5 = Digest::MD5::md5_hex $data;	2882	my $md5 = Digest::MD5::md5_hex $data;
2009	my $meta = "$RANDOMDIR/$md5.meta";	2883	my $meta = "$RANDOMDIR/$md5.meta";
2010		2884
2011	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2885	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2012	aio_write $fh, 0, (length $data), $data, 0;	2886	aio_write $fh, 0, (length $data), $data, 0;
2013	undef $fh;	2887	undef $fh;
2014	aio_rename "$meta~", $meta;	2888	aio_rename "$meta~", $meta;
2015		2889
		2890	my $slaying = "?random/$md5";
		2891
		2892	if ($exit->valid) {
2016	$exit->slaying ("?random/$md5");	2893	$exit->slaying ("?random/$md5");
2017	$exit->msg (undef);	2894	$exit->msg (undef);
		2895	}
2018	}	2896	}
2019	}	2897	}
2020		2898
2021	sub cf::object::player::enter_exit {	2899	sub cf::object::player::enter_exit {
2022	my ($self, $exit) = @_;	2900	my ($self, $exit) = @_;
2023		2901
2024	return unless $self->type == cf::PLAYER;	2902	return unless $self->type == cf::PLAYER;
2025		2903
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;	2904	$self->enter_link;
2038		2905
2039	(async {	2906	(async {
2040	$self->deactivate_recursive; # just to be sure	2907	$Coro::current->{desc} = "enter_exit";
		2908
2041	unless (eval {	2909	unless (eval {
		2910	$self->deactivate_recursive; # just to be sure
		2911
		2912	# random map handling
		2913	{
		2914	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2915
		2916	prepare_random_map $exit
		2917	if $exit->slaying eq "/!";
		2918	}
		2919
		2920	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2921	my $x = $exit->stats->hp;
		2922	my $y = $exit->stats->sp;
		2923
2042	$self->goto ($slaying, $hp, $sp);	2924	$self->goto ($map, $x, $y);
2043		2925
		2926	# if exit is damned, update players death & WoR home-position
		2927	$self->contr->savebed ($map, $x, $y)
		2928	if $exit->flag (cf::FLAG_DAMNED);
		2929
2044	1;	2930	1
2045	}) {	2931	}) {
2046	$self->message ("Something went wrong deep within the crossfire server. "	2932	$self->message ("Something went wrong deep within the deliantra server. "
2047	. "I'll try to bring you back to the map you were before. "	2933	. "I'll try to bring you back to the map you were before. "
2048	. "Please report this to the dungeon master!",	2934	. "Please report this to the dungeon master!",
2049	cf::NDI_UNIQUE | cf::NDI_RED);	2935	cf::NDI_UNIQUE | cf::NDI_RED);
2050		2936
2051	warn "ERROR in enter_exit: $@";	2937	error "ERROR in enter_exit: $@";
2052	$self->leave_link;	2938	$self->leave_link;
2053	}	2939	}
2054	})->prio (1);	2940	})->prio (1);
2055	}	2941	}
2056		2942
…		…
2070		2956
2071	utf8::encode $text;	2957	utf8::encode $text;
2072	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2958	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2073	}	2959	}
2074		2960
		2961	=item $client->send_big_packet ($pkt)
		2962
		2963	Like C<send_packet>, but tries to compress large packets, and fragments
		2964	them as required.
		2965
		2966	=cut
		2967
		2968	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2969
		2970	sub cf::client::send_big_packet {
		2971	my ($self, $pkt) = @_;
		2972
		2973	# try lzf for large packets
		2974	$pkt = "lzf " . Compress::LZF::compress $pkt
		2975	if 1024 <= length $pkt and $self->{can_lzf};
		2976
		2977	# split very large packets
		2978	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2979	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2980	$pkt = "frag";
		2981	}
		2982
		2983	$self->send_packet ($pkt);
		2984	}
		2985
		2986	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2987
		2988	Send a drawinfo or msg packet to the client, formatting the msg for the
		2989	client if neccessary. C<$type> should be a string identifying the type of
		2990	the message, with C<log> being the default. If C<$color> is negative, suppress
		2991	the message unless the client supports the msg packet.
		2992
		2993	=cut
		2994
		2995	# non-persistent channels (usually the info channel)
		2996	our %CHANNEL = (
		2997	"c/motd" => {
		2998	id => "infobox",
		2999	title => "MOTD",
		3000	reply => undef,
		3001	tooltip => "The message of the day",
		3002	},
		3003	"c/identify" => {
		3004	id => "infobox",
		3005	title => "Identify",
		3006	reply => undef,
		3007	tooltip => "Items recently identified",
		3008	},
		3009	"c/examine" => {
		3010	id => "infobox",
		3011	title => "Examine",
		3012	reply => undef,
		3013	tooltip => "Signs and other items you examined",
		3014	},
		3015	"c/shopinfo" => {
		3016	id => "infobox",
		3017	title => "Shop Info",
		3018	reply => undef,
		3019	tooltip => "What your bargaining skill tells you about the shop",
		3020	},
		3021	"c/book" => {
		3022	id => "infobox",
		3023	title => "Book",
		3024	reply => undef,
		3025	tooltip => "The contents of a note or book",
		3026	},
		3027	"c/lookat" => {
		3028	id => "infobox",
		3029	title => "Look",
		3030	reply => undef,
		3031	tooltip => "What you saw there",
		3032	},
		3033	"c/who" => {
		3034	id => "infobox",
		3035	title => "Players",
		3036	reply => undef,
		3037	tooltip => "Shows players who are currently online",
		3038	},
		3039	"c/body" => {
		3040	id => "infobox",
		3041	title => "Body Parts",
		3042	reply => undef,
		3043	tooltip => "Shows which body parts you posess and are available",
		3044	},
		3045	"c/statistics" => {
		3046	id => "infobox",
		3047	title => "Statistics",
		3048	reply => undef,
		3049	tooltip => "Shows your primary statistics",
		3050	},
		3051	"c/skills" => {
		3052	id => "infobox",
		3053	title => "Skills",
		3054	reply => undef,
		3055	tooltip => "Shows your experience per skill and item power",
		3056	},
		3057	"c/shopitems" => {
		3058	id => "infobox",
		3059	title => "Shop Items",
		3060	reply => undef,
		3061	tooltip => "Shows the items currently for sale in this shop",
		3062	},
		3063	"c/resistances" => {
		3064	id => "infobox",
		3065	title => "Resistances",
		3066	reply => undef,
		3067	tooltip => "Shows your resistances",
		3068	},
		3069	"c/pets" => {
		3070	id => "infobox",
		3071	title => "Pets",
		3072	reply => undef,
		3073	tooltip => "Shows information abotu your pets/a specific pet",
		3074	},
		3075	"c/perceiveself" => {
		3076	id => "infobox",
		3077	title => "Perceive Self",
		3078	reply => undef,
		3079	tooltip => "You gained detailed knowledge about yourself",
		3080	},
		3081	"c/uptime" => {
		3082	id => "infobox",
		3083	title => "Uptime",
		3084	reply => undef,
		3085	tooltip => "How long the server has been running since last restart",
		3086	},
		3087	"c/mapinfo" => {
		3088	id => "infobox",
		3089	title => "Map Info",
		3090	reply => undef,
		3091	tooltip => "Information related to the maps",
		3092	},
		3093	"c/party" => {
		3094	id => "party",
		3095	title => "Party",
		3096	reply => "gsay ",
		3097	tooltip => "Messages and chat related to your party",
		3098	},
		3099	"c/death" => {
		3100	id => "death",
		3101	title => "Death",
		3102	reply => undef,
		3103	tooltip => "Reason for and more info about your most recent death",
		3104	},
		3105	"c/say" => $SAY_CHANNEL,
		3106	"c/chat" => $CHAT_CHANNEL,
		3107	);
		3108
		3109	sub cf::client::send_msg {
		3110	my ($self, $channel, $msg, $color, @extra) = @_;
		3111
		3112	$msg = $self->pl->expand_cfpod ($msg)
		3113	unless $color & cf::NDI_VERBATIM;
		3114
		3115	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3116
		3117	# check predefined channels, for the benefit of C
		3118	if ($CHANNEL{$channel}) {
		3119	$channel = $CHANNEL{$channel};
		3120
		3121	$self->ext_msg (channel_info => $channel);
		3122	$channel = $channel->{id};
		3123
		3124	} elsif (ref $channel) {
		3125	# send meta info to client, if not yet sent
		3126	unless (exists $self->{channel}{$channel->{id}}) {
		3127	$self->{channel}{$channel->{id}} = $channel;
		3128	$self->ext_msg (channel_info => $channel);
		3129	}
		3130
		3131	$channel = $channel->{id};
		3132	}
		3133
		3134	return unless @extra || length $msg;
		3135
		3136	# default colour, mask it out
		3137	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3138	if $color & cf::NDI_DEF;
		3139
		3140	my $pkt = "msg "
		3141	. $self->{json_coder}->encode (
		3142	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3143	);
		3144
		3145	$self->send_big_packet ($pkt);
		3146	}
		3147
2075	=item $client->ext_event ($type, %msg)	3148	=item $client->ext_msg ($type, @msg)
2076		3149
2077	Sends an exti event to the client.	3150	Sends an ext event to the client.
2078		3151
2079	=cut	3152	=cut
2080		3153
2081	sub cf::client::ext_event($$%) {	3154	sub cf::client::ext_msg($$@) {
2082	my ($self, $type, %msg) = @_;	3155	my ($self, $type, @msg) = @_;
2083		3156
		3157	if ($self->extcmd == 2) {
		3158	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3159	} elsif ($self->extcmd == 1) { # TODO: remove
2084	$msg{msgtype} = "event_$type";	3160	push @msg, msgtype => "event_$type";
2085	$self->send_packet ("ext " . cf::to_json \%msg);	3161	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3162	}
		3163	}
		3164
		3165	=item $client->ext_reply ($msgid, @msg)
		3166
		3167	Sends an ext reply to the client.
		3168
		3169	=cut
		3170
		3171	sub cf::client::ext_reply($$@) {
		3172	my ($self, $id, @msg) = @_;
		3173
		3174	if ($self->extcmd == 2) {
		3175	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3176	} elsif ($self->extcmd == 1) {
		3177	#TODO: version 1, remove
		3178	unshift @msg, msgtype => "reply", msgid => $id;
		3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3180	}
2086	}	3181	}
2087		3182
2088	=item $success = $client->query ($flags, "text", \&cb)	3183	=item $success = $client->query ($flags, "text", \&cb)
2089		3184
2090	Queues a query to the client, calling the given callback with	3185	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>,	3186	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>.	3187	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2093		3188
2094	Queries can fail, so check the return code. Or don't, as queries will become	3189	Queries can fail, so check the return code. Or don't, as queries will
2095	reliable at some point in the future.	3190	become reliable at some point in the future.
2096		3191
2097	=cut	3192	=cut
2098		3193
2099	sub cf::client::query {	3194	sub cf::client::query {
2100	my ($self, $flags, $text, $cb) = @_;	3195	my ($self, $flags, $text, $cb) = @_;
…		…
2108	utf8::encode $text;	3203	utf8::encode $text;
2109	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3204	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2110		3205
2111	$self->send_packet ($self->{query_queue}[0][0])	3206	$self->send_packet ($self->{query_queue}[0][0])
2112	if @{ $self->{query_queue} } == 1;	3207	if @{ $self->{query_queue} } == 1;
		3208
		3209	1
2113	}	3210	}
2114		3211
2115	cf::client->attach (	3212	cf::client->attach (
		3213	on_connect => sub {
		3214	my ($ns) = @_;
		3215
		3216	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3217	},
2116	on_reply => sub {	3218	on_reply => sub {
2117	my ($ns, $msg) = @_;	3219	my ($ns, $msg) = @_;
2118		3220
2119	# this weird shuffling is so that direct followup queries	3221	# this weird shuffling is so that direct followup queries
2120	# get handled first	3222	# get handled first
…		…
2132	} else {	3234	} else {
2133	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3235	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2134	}	3236	}
2135	}	3237	}
2136	},	3238	},
		3239	on_exticmd => sub {
		3240	my ($ns, $buf) = @_;
		3241
		3242	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3243
		3244	if (ref $msg) {
		3245	my ($type, $reply, @payload) =
		3246	"ARRAY" eq ref $msg
		3247	? @$msg
		3248	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3249
		3250	my @reply;
		3251
		3252	if (my $cb = $EXTICMD{$type}) {
		3253	@reply = $cb->($ns, @payload);
		3254	}
		3255
		3256	$ns->ext_reply ($reply, @reply)
		3257	if $reply;
		3258
		3259	} else {
		3260	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3261	}
		3262
		3263	cf::override;
		3264	},
2137	);	3265	);
2138		3266
2139	=item $client->async (\&cb)	3267	=item $client->async (\&cb)
2140		3268
2141	Create a new coroutine, running the specified callback. The coroutine will	3269	Create a new coroutine, running the specified callback. The coroutine will
…		…
2157		3285
2158	$coro	3286	$coro
2159	}	3287	}
2160		3288
2161	cf::client->attach (	3289	cf::client->attach (
2162	on_destroy => sub {	3290	on_client_destroy => sub {
2163	my ($ns) = @_;	3291	my ($ns) = @_;
2164		3292
2165	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3293	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2166	},	3294	},
2167	);	3295	);
…		…
2182	our $safe = new Safe "safe";	3310	our $safe = new Safe "safe";
2183	our $safe_hole = new Safe::Hole;	3311	our $safe_hole = new Safe::Hole;
2184		3312
2185	$SIG{FPE} = 'IGNORE';	3313	$SIG{FPE} = 'IGNORE';
2186		3314
2187	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3315	$safe->permit_only (Opcode::opset qw(
		3316	:base_core :base_mem :base_orig :base_math :base_loop
		3317	grepstart grepwhile mapstart mapwhile
		3318	sort time
		3319	));
2188		3320
2189	# here we export the classes and methods available to script code	3321	# here we export the classes and methods available to script code
2190		3322
2191	=pod	3323	=pod
2192		3324
2193	The following functions and methods are available within a safe environment:	3325	The following functions and methods are available within a safe environment:
2194		3326
2195	cf::object contr pay_amount pay_player map	3327	cf::object
		3328	contr pay_amount pay_player map x y force_find force_add destroy
		3329	insert remove name archname title slaying race decrease split
		3330	value
		3331
2196	cf::object::player player	3332	cf::object::player
2197	cf::player peaceful	3333	player
2198	cf::map trigger	3334
		3335	cf::player
		3336	peaceful
		3337
		3338	cf::map
		3339	trigger
2199		3340
2200	=cut	3341	=cut
2201		3342
2202	for (	3343	for (
2203	["cf::object" => qw(contr pay_amount pay_player map)],	3344	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3345	insert remove inv nrof name archname title slaying race
		3346	decrease split destroy change_exp value msg lore send_msg)],
2204	["cf::object::player" => qw(player)],	3347	["cf::object::player" => qw(player)],
2205	["cf::player" => qw(peaceful)],	3348	["cf::player" => qw(peaceful send_msg)],
2206	["cf::map" => qw(trigger)],	3349	["cf::map" => qw(trigger)],
2207	) {	3350	) {
2208	no strict 'refs';
2209	my ($pkg, @funs) = @$_;	3351	my ($pkg, @funs) = @$_;
2210	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3352	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2211	for @funs;	3353	for @funs;
2212	}	3354	}
2213		3355
…		…
2228		3370
2229	my $qcode = $code;	3371	my $qcode = $code;
2230	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3372	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2231	$qcode =~ s/\n/\\n/g;	3373	$qcode =~ s/\n/\\n/g;
2232		3374
		3375	%vars = (_dummy => 0) unless %vars;
		3376
		3377	my @res;
2233	local $_;	3378	local $_;
2234	local @safe::cf::_safe_eval_args = values %vars;
2235		3379
2236	my $eval =	3380	my $eval =
2237	"do {\n"	3381	"do {\n"
2238	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3382	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2239	. "#line 0 \"{$qcode}\"\n"	3383	. "#line 0 \"{$qcode}\"\n"
2240	. $code	3384	. $code
2241	. "\n}"	3385	. "\n}"
2242	;	3386	;
2243		3387
		3388	if ($CFG{safe_eval}) {
2244	sub_generation_inc;	3389	sub_generation_inc;
		3390	local @safe::cf::_safe_eval_args = values %vars;
2245	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3391	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2246	sub_generation_inc;	3392	sub_generation_inc;
		3393	} else {
		3394	local @cf::_safe_eval_args = values %vars;
		3395	@res = wantarray ? eval eval : scalar eval $eval;
		3396	}
2247		3397
2248	if ($@) {	3398	if ($@) {
2249	warn "$@";	3399	warn "$@",
2250	warn "while executing safe code '$code'\n";	3400	"while executing safe code '$code'\n",
2251	warn "with arguments " . (join " ", %vars) . "\n";	3401	"with arguments " . (join " ", %vars) . "\n";
2252	}	3402	}
2253		3403
2254	wantarray ? @res : $res[0]	3404	wantarray ? @res : $res[0]
2255	}	3405	}
2256		3406
…		…
2270	=cut	3420	=cut
2271		3421
2272	sub register_script_function {	3422	sub register_script_function {
2273	my ($fun, $cb) = @_;	3423	my ($fun, $cb) = @_;
2274		3424
2275	no strict 'refs';	3425	$fun = "safe::$fun" if $CFG{safe_eval};
2276	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3426	*$fun = $safe_hole->wrap ($cb);
2277	}	3427	}
2278		3428
2279	=back	3429	=back
2280		3430
2281	=cut	3431	=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		3432
2456	#############################################################################	3433	#############################################################################
2457	# the server's init and main functions	3434	# the server's init and main functions
2458		3435
2459	sub load_facedata($) {	3436	sub load_facedata($) {
2460	my ($path) = @_;	3437	my ($path) = @_;
2461		3438
		3439	# HACK to clear player env face cache, we need some signal framework
		3440	# for this (global event?)
		3441	%ext::player_env::MUSIC_FACE_CACHE = ();
		3442
		3443	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3444
2462	warn "loading facedata from $path\n";	3445	trace "loading facedata from $path\n";
2463		3446
2464	my $facedata;	3447	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		3448
2470	$facedata->{version} == 2	3449	$facedata->{version} == 2
2471	or cf::cleanup "$path: version mismatch, cannot proceed.";	3450	or cf::cleanup "$path: version mismatch, cannot proceed.";
2472		3451
		3452	# patch in the exptable
		3453	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3454	$facedata->{resource}{"res/exp_table"} = {
		3455	type => FT_RSRC,
		3456	data => $exp_table,
		3457	hash => (Digest::MD5::md5 $exp_table),
		3458	};
		3459	cf::cede_to_tick;
		3460
2473	{	3461	{
2474	my $faces = $facedata->{faceinfo};	3462	my $faces = $facedata->{faceinfo};
2475		3463
2476	while (my ($face, $info) = each %$faces) {	3464	while (my ($face, $info) = each %$faces) {
2477	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3465	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3466
2478	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3467	cf::face::set_visibility $idx, $info->{visibility};
		3468	cf::face::set_magicmap $idx, $info->{magicmap};
2479	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3469	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2480	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3470	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2481	Coro::cede;	3471	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3472
		3473	cf::cede_to_tick;
2482	}	3474	}
2483		3475
2484	while (my ($face, $info) = each %$faces) {	3476	while (my ($face, $info) = each %$faces) {
2485	next unless $info->{smooth};	3477	next unless $info->{smooth};
		3478
2486	my $idx = cf::face::find $face	3479	my $idx = cf::face::find $face
2487	or next;	3480	or next;
		3481
2488	if (my $smooth = cf::face::find $info->{smooth}) {	3482	if (my $smooth = cf::face::find $info->{smooth}) {
		3483	cf::face::set_smooth $idx, $smooth;
2489	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3484	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2490	} else {	3485	} else {
2491	warn "smooth face '$info->{smooth}' not found for face '$face'";	3486	error "smooth face '$info->{smooth}' not found for face '$face'";
2492	}	3487	}
2493	Coro::cede;	3488
		3489	cf::cede_to_tick;
2494	}	3490	}
2495	}	3491	}
2496		3492
2497	{	3493	{
2498	my $anims = $facedata->{animinfo};	3494	my $anims = $facedata->{animinfo};
2499		3495
2500	while (my ($anim, $info) = each %$anims) {	3496	while (my ($anim, $info) = each %$anims) {
2501	cf::anim::set $anim, $info->{frames}, $info->{facings};	3497	cf::anim::set $anim, $info->{frames}, $info->{facings};
2502	Coro::cede;	3498	cf::cede_to_tick;
2503	}	3499	}
2504		3500
2505	cf::anim::invalidate_all; # d'oh	3501	cf::anim::invalidate_all; # d'oh
2506	}	3502	}
2507		3503
		3504	{
		3505	my $res = $facedata->{resource};
		3506
		3507	while (my ($name, $info) = each %$res) {
		3508	if (defined $info->{type}) {
		3509	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3510
		3511	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3512	cf::face::set_type $idx, $info->{type};
		3513	} else {
		3514	$RESOURCE{$name} = $info; # unused
		3515	}
		3516
		3517	cf::cede_to_tick;
		3518	}
		3519	}
		3520
		3521	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3522
2508	1	3523	1
2509	}	3524	}
2510		3525
		3526	register_exticmd fx_want => sub {
		3527	my ($ns, $want) = @_;
		3528
		3529	while (my ($k, $v) = each %$want) {
		3530	$ns->fx_want ($k, $v);
		3531	}
		3532	};
		3533
		3534	sub load_resource_file($) {
		3535	my $guard = lock_acquire "load_resource_file";
		3536
		3537	my $status = load_resource_file_ $_[0];
		3538	get_slot 0.1, 100;
		3539	cf::arch::commit_load;
		3540
		3541	$status
		3542	}
		3543
2511	sub reload_regions {	3544	sub reload_regions {
		3545	# HACK to clear player env face cache, we need some signal framework
		3546	# for this (global event?)
		3547	%ext::player_env::MUSIC_FACE_CACHE = ();
		3548
2512	load_resource_file "$MAPDIR/regions"	3549	load_resource_file "$MAPDIR/regions"
2513	or die "unable to load regions file\n";	3550	or die "unable to load regions file\n";
		3551
		3552	for (cf::region::list) {
		3553	$_->{match} = qr/$_->{match}/
		3554	if exists $_->{match};
		3555	}
2514	}	3556	}
2515		3557
2516	sub reload_facedata {	3558	sub reload_facedata {
2517	load_facedata "$DATADIR/facedata"	3559	load_facedata "$DATADIR/facedata"
2518	or die "unable to load facedata\n";	3560	or die "unable to load facedata\n";
…		…
2526	sub reload_treasures {	3568	sub reload_treasures {
2527	load_resource_file "$DATADIR/treasures"	3569	load_resource_file "$DATADIR/treasures"
2528	or die "unable to load treasurelists\n";	3570	or die "unable to load treasurelists\n";
2529	}	3571	}
2530		3572
		3573	sub reload_sound {
		3574	trace "loading sound config from $DATADIR/sound\n";
		3575
		3576	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3577
		3578	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3579	my $sound = $soundconf->{compat}[$_]
		3580	or next;
		3581
		3582	my $face = cf::face::find "sound/$sound->[1]";
		3583	cf::sound::set $sound->[0] => $face;
		3584	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3585	}
		3586
		3587	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3588	my $face = cf::face::find "sound/$v";
		3589	cf::sound::set $k => $face;
		3590	}
		3591	}
		3592
2531	sub reload_resources {	3593	sub reload_resources {
2532	warn "reloading resource files...\n";	3594	trace "reloading resource files...\n";
2533		3595
		3596	reload_exp_table;
		3597	reload_materials;
		3598	reload_facedata;
		3599	reload_sound;
		3600	reload_archetypes;
2534	reload_regions;	3601	reload_regions;
2535	reload_facedata;
2536	reload_archetypes;
2537	reload_treasures;	3602	reload_treasures;
2538		3603
2539	warn "finished reloading resource files\n";	3604	trace "finished reloading resource files\n";
2540	}	3605	}
2541		3606
2542	sub init {	3607	sub reload_config {
2543	reload_resources;	3608	trace "reloading config file...\n";
2544	}
2545		3609
2546	sub cfg_load {	3610	my $config = load_file "$CONFDIR/config";
2547	open my $fh, "<:utf8", "$CONFDIR/config"	3611	utf8::decode $config;
2548	or return;	3612	*CFG = decode_yaml $config;
2549		3613
2550	local $/;
2551	*CFG = YAML::Syck::Load <$fh>;
2552
2553	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3614	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2554		3615
2555	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3616	$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};	3617	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2557		3618
2558	if (exists $CFG{mlockall}) {	3619	if (exists $CFG{mlockall}) {
…		…
2562	};	3623	};
2563	warn $@ if $@;	3624	warn $@ if $@;
2564	}	3625	}
2565	}	3626	}
2566		3627
		3628	sub pidfile() {
		3629	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3630	or die "$PIDFILE: $!";
		3631	flock $fh, &Fcntl::LOCK_EX
		3632	or die "$PIDFILE: flock: $!";
		3633	$fh
		3634	}
		3635
		3636	# make sure only one server instance is running at any one time
		3637	sub atomic {
		3638	my $fh = pidfile;
		3639
		3640	my $pid = <$fh>;
		3641	kill 9, $pid if $pid > 0;
		3642
		3643	seek $fh, 0, 0;
		3644	print $fh $$;
		3645	}
		3646
		3647	sub main_loop {
		3648	trace "EV::loop starting\n";
		3649	if (1) {
		3650	EV::loop;
		3651	}
		3652	trace "EV::loop returned\n";
		3653	goto &main_loop unless $REALLY_UNLOOP;
		3654	}
		3655
2567	sub main {	3656	sub main {
		3657	cf::init_globals; # initialise logging
		3658
		3659	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3660	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3661	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3662	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3663
		3664	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3665
2568	# we must not ever block the main coroutine	3666	# we must not ever block the main coroutine
2569	local $Coro::idle = sub {	3667	local $Coro::idle = sub {
2570	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3668	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2571	(async {	3669	(async {
2572	Event::one_event;	3670	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3671	EV::loop EV::LOOP_ONESHOT;
2573	})->prio (Coro::PRIO_MAX);	3672	})->prio (Coro::PRIO_MAX);
2574	};	3673	};
2575		3674
2576	cfg_load;	3675	evthread_start IO::AIO::poll_fileno;
		3676
		3677	cf::sync_job {
		3678	cf::incloader::init ();
		3679
		3680	cf::init_anim;
		3681	cf::init_attackmess;
		3682	cf::init_dynamic;
		3683
		3684	cf::load_settings;
		3685
		3686	reload_resources;
		3687	reload_config;
2577	db_init;	3688	db_init;
		3689
		3690	cf::init_uuid;
		3691	cf::init_signals;
		3692	cf::init_skills;
		3693
		3694	cf::init_beforeplay;
		3695
		3696	atomic;
		3697
2578	load_extensions;	3698	load_extensions;
2579		3699
2580	$TICK_WATCHER->start;	3700	utime time, time, $RUNTIMEFILE;
2581	Event::loop;	3701
		3702	# no (long-running) fork's whatsoever before this point(!)
		3703	use POSIX ();
		3704	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3705
		3706	cf::_post_init 0;
		3707	};
		3708
		3709	cf::object::thawer::errors_are_fatal 0;
		3710	info "parse errors in files are no longer fatal from this point on.\n";
		3711
		3712	my $free_main; $free_main = EV::idle sub {
		3713	undef $free_main;
		3714	undef &main; # free gobs of memory :)
		3715	};
		3716
		3717	goto &main_loop;
2582	}	3718	}
2583		3719
2584	#############################################################################	3720	#############################################################################
2585	# initialisation and cleanup	3721	# initialisation and cleanup
2586		3722
2587	# install some emergency cleanup handlers	3723	# install some emergency cleanup handlers
2588	BEGIN {	3724	BEGIN {
		3725	our %SIGWATCHER = ();
2589	for my $signal (qw(INT HUP TERM)) {	3726	for my $signal (qw(INT HUP TERM)) {
2590	Event->signal (	3727	$SIGWATCHER{$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";	3728	cf::cleanup "SIG$signal";
2597	},
2598	);	3729	};
		3730	}
		3731	}
		3732
		3733	sub write_runtime_sync {
		3734	my $t0 = AE::time;
		3735
		3736	# first touch the runtime file to show we are still running:
		3737	# the fsync below can take a very very long time.
		3738
		3739	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3740
		3741	my $guard = cf::lock_acquire "write_runtime";
		3742
		3743	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3744	or return;
		3745
		3746	my $value = $cf::RUNTIME + 90 + 10;
		3747	# 10 is the runtime save interval, for a monotonic clock
		3748	# 60 allows for the watchdog to kill the server.
		3749
		3750	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3751	and return;
		3752
		3753	# always fsync - this file is important
		3754	aio_fsync $fh
		3755	and return;
		3756
		3757	# touch it again to show we are up-to-date
		3758	aio_utime $fh, undef, undef;
		3759
		3760	close $fh
		3761	or return;
		3762
		3763	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3764	and return;
		3765
		3766	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3767
2599	}	3768	1
		3769	}
		3770
		3771	our $uuid_lock;
		3772	our $uuid_skip;
		3773
		3774	sub write_uuid_sync($) {
		3775	$uuid_skip ||= $_[0];
		3776
		3777	return if $uuid_lock;
		3778	local $uuid_lock = 1;
		3779
		3780	my $uuid = "$LOCALDIR/uuid";
		3781
		3782	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3783	or return;
		3784
		3785	my $value = uuid_seq uuid_cur;
		3786
		3787	unless ($value) {
		3788	info "cowardly refusing to write zero uuid value!\n";
		3789	return;
		3790	}
		3791
		3792	my $value = uuid_str $value + $uuid_skip;
		3793	$uuid_skip = 0;
		3794
		3795	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3796	and return;
		3797
		3798	# always fsync - this file is important
		3799	aio_fsync $fh
		3800	and return;
		3801
		3802	close $fh
		3803	or return;
		3804
		3805	aio_rename "$uuid~", $uuid
		3806	and return;
		3807
		3808	trace "uuid file written ($value).\n";
		3809
		3810	1
		3811
		3812	}
		3813
		3814	sub write_uuid($$) {
		3815	my ($skip, $sync) = @_;
		3816
		3817	$sync ? write_uuid_sync $skip
		3818	: async { write_uuid_sync $skip };
2600	}	3819	}
2601		3820
2602	sub emergency_save() {	3821	sub emergency_save() {
2603	my $freeze_guard = cf::freeze_mainloop;	3822	my $freeze_guard = cf::freeze_mainloop;
2604		3823
2605	warn "enter emergency perl save\n";	3824	info "emergency_perl_save: enter\n";
		3825
		3826	# this is a trade-off: we want to be very quick here, so
		3827	# save all maps without fsync, and later call a global sync
		3828	# (which in turn might be very very slow)
		3829	local $USE_FSYNC = 0;
2606		3830
2607	cf::sync_job {	3831	cf::sync_job {
		3832	cf::write_runtime_sync; # external watchdog should not bark
		3833
2608	# use a peculiar iteration method to avoid tripping on perl	3834	# use a peculiar iteration method to avoid tripping on perl
2609	# refcount bugs in for. also avoids problems with players	3835	# refcount bugs in for. also avoids problems with players
2610	# and maps saved/destroyed asynchronously.	3836	# and maps saved/destroyed asynchronously.
2611	warn "begin emergency player save\n";	3837	info "emergency_perl_save: begin player save\n";
2612	for my $login (keys %cf::PLAYER) {	3838	for my $login (keys %cf::PLAYER) {
2613	my $pl = $cf::PLAYER{$login} or next;	3839	my $pl = $cf::PLAYER{$login} or next;
2614	$pl->valid or next;	3840	$pl->valid or next;
		3841	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2615	$pl->save;	3842	$pl->save;
2616	}	3843	}
2617	warn "end emergency player save\n";	3844	info "emergency_perl_save: end player save\n";
2618		3845
2619	warn "begin emergency map save\n";	3846	cf::write_runtime_sync; # external watchdog should not bark
		3847
		3848	info "emergency_perl_save: begin map save\n";
2620	for my $path (keys %cf::MAP) {	3849	for my $path (keys %cf::MAP) {
2621	my $map = $cf::MAP{$path} or next;	3850	my $map = $cf::MAP{$path} or next;
2622	$map->valid or next;	3851	$map->valid or next;
2623	$map->save;	3852	$map->save;
2624	}	3853	}
2625	warn "end emergency map save\n";	3854	info "emergency_perl_save: end map save\n";
2626		3855
2627	warn "begin emergency database checkpoint\n";	3856	cf::write_runtime_sync; # external watchdog should not bark
		3857
		3858	info "emergency_perl_save: begin database checkpoint\n";
2628	BDB::db_env_txn_checkpoint $DB_ENV;	3859	BDB::db_env_txn_checkpoint $DB_ENV;
2629	warn "end emergency database checkpoint\n";	3860	info "emergency_perl_save: end database checkpoint\n";
		3861
		3862	info "emergency_perl_save: begin write uuid\n";
		3863	write_uuid_sync 1;
		3864	info "emergency_perl_save: end write uuid\n";
		3865
		3866	cf::write_runtime_sync; # external watchdog should not bark
		3867
		3868	trace "emergency_perl_save: syncing database to disk";
		3869	BDB::db_env_txn_checkpoint $DB_ENV;
		3870
		3871	info "emergency_perl_save: starting sync\n";
		3872	IO::AIO::aio_sync sub {
		3873	info "emergency_perl_save: finished sync\n";
		3874	};
		3875
		3876	cf::write_runtime_sync; # external watchdog should not bark
		3877
		3878	trace "emergency_perl_save: flushing outstanding aio requests";
		3879	while (IO::AIO::nreqs || BDB::nreqs) {
		3880	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3881	}
		3882
		3883	cf::write_runtime_sync; # external watchdog should not bark
2630	};	3884	};
2631		3885
2632	warn "leave emergency perl save\n";	3886	info "emergency_perl_save: leave\n";
2633	}	3887	}
2634		3888
2635	sub post_cleanup {	3889	sub post_cleanup {
2636	my ($make_core) = @_;	3890	my ($make_core) = @_;
2637		3891
		3892	IO::AIO::flush;
		3893
2638	warn Carp::longmess "post_cleanup backtrace"	3894	error Carp::longmess "post_cleanup backtrace"
2639	if $make_core;	3895	if $make_core;
		3896
		3897	my $fh = pidfile;
		3898	unlink $PIDFILE if <$fh> == $$;
		3899	}
		3900
		3901	# a safer delete_package, copied from Symbol
		3902	sub clear_package($) {
		3903	my $pkg = shift;
		3904
		3905	# expand to full symbol table name if needed
		3906	unless ($pkg =~ /^main::.*::$/) {
		3907	$pkg = "main$pkg" if $pkg =~ /^::/;
		3908	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3909	$pkg .= '::' unless $pkg =~ /::$/;
		3910	}
		3911
		3912	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3913	my $stem_symtab = *{$stem}{HASH};
		3914
		3915	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3916	or return;
		3917
		3918	# clear all symbols
		3919	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3920	for my $name (keys %$leaf_symtab) {
		3921	_gv_clear *{"$pkg$name"};
		3922	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3923	}
2640	}	3924	}
2641		3925
2642	sub do_reload_perl() {	3926	sub do_reload_perl() {
2643	# can/must only be called in main	3927	# can/must only be called in main
2644	if ($Coro::current != $Coro::main) {	3928	unless (in_main) {
2645	warn "can only reload from main coroutine";	3929	error "can only reload from main coroutine";
2646	return;	3930	return;
2647	}	3931	}
2648		3932
2649	warn "reloading...";	3933	return if $RELOAD++;
2650		3934
2651	warn "entering sync_job";	3935	my $t1 = AE::time;
2652		3936
		3937	while ($RELOAD) {
		3938	cf::get_slot 0.1, -1, "reload_perl";
		3939	info "perl_reload: reloading...";
		3940
		3941	trace "perl_reload: entering sync_job";
		3942
2653	cf::sync_job {	3943	cf::sync_job {
2654	cf::write_runtime; # external watchdog should not bark
2655	cf::emergency_save;	3944	#cf::emergency_save;
2656	cf::write_runtime; # external watchdog should not bark
2657		3945
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";	3946	trace "perl_reload: cancelling all extension coros";
2680	$_->cancel for values %EXT_CORO;	3947	$_->cancel for values %EXT_CORO;
2681	%EXT_CORO = ();	3948	%EXT_CORO = ();
2682		3949
2683	warn "removing commands";	3950	trace "perl_reload: removing commands";
2684	%COMMAND = ();	3951	%COMMAND = ();
2685		3952
2686	warn "removing ext commands";	3953	trace "perl_reload: removing ext/exti commands";
2687	%EXTCMD = ();	3954	%EXTCMD = ();
		3955	%EXTICMD = ();
2688		3956
2689	warn "unloading/nuking all extensions";	3957	trace "perl_reload: unloading/nuking all extensions";
2690	for my $pkg (@EXTS) {	3958	for my $pkg (@EXTS) {
2691	warn "... unloading $pkg";	3959	trace "... unloading $pkg";
2692		3960
2693	if (my $cb = $pkg->can ("unload")) {	3961	if (my $cb = $pkg->can ("unload")) {
2694	eval {	3962	eval {
2695	$cb->($pkg);	3963	$cb->($pkg);
2696	1	3964	1
2697	} or warn "$pkg unloaded, but with errors: $@";	3965	} or error "$pkg unloaded, but with errors: $@";
		3966	}
		3967
		3968	trace "... clearing $pkg";
		3969	clear_package $pkg;
2698	}	3970	}
2699		3971
2700	warn "... nuking $pkg";
2701	Symbol::delete_package $pkg;
2702	}
2703
2704	warn "unloading all perl modules loaded from $LIBDIR";	3972	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2705	while (my ($k, $v) = each %INC) {	3973	while (my ($k, $v) = each %INC) {
2706	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3974	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2707		3975
2708	warn "... unloading $k";	3976	trace "... unloading $k";
2709	delete $INC{$k};	3977	delete $INC{$k};
2710		3978
2711	$k =~ s/\.pm$//;	3979	$k =~ s/\.pm$//;
2712	$k =~ s/\//::/g;	3980	$k =~ s/\//::/g;
2713		3981
2714	if (my $cb = $k->can ("unload_module")) {	3982	if (my $cb = $k->can ("unload_module")) {
2715	$cb->();	3983	$cb->();
		3984	}
		3985
		3986	clear_package $k;
2716	}	3987	}
2717		3988
2718	Symbol::delete_package $k;
2719	}
2720
2721	warn "getting rid of safe::, as good as possible";	3989	trace "perl_reload: getting rid of safe::, as good as possible";
2722	Symbol::delete_package "safe::$_"	3990	clear_package "safe::$_"
2723	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3991	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2724		3992
2725	warn "unloading cf.pm \"a bit\"";	3993	trace "perl_reload: unloading cf.pm \"a bit\"";
2726	delete $INC{"cf.pm"};	3994	delete $INC{"cf.pm"};
2727	delete $INC{"cf/pod.pm"};	3995	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2728		3996
2729	# don't, removes xs symbols, too,	3997	# don't, removes xs symbols, too,
2730	# and global variables created in xs	3998	# and global variables created in xs
2731	#Symbol::delete_package __PACKAGE__;	3999	#clear_package __PACKAGE__;
2732		4000
2733	warn "unload completed, starting to reload now";	4001	info "perl_reload: unload completed, starting to reload now";
2734		4002
2735	warn "reloading cf.pm";	4003	trace "perl_reload: reloading cf.pm";
2736	require cf;	4004	require cf;
2737	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4005	cf::_connect_to_perl_1;
2738		4006
2739	warn "loading config and database again";	4007	trace "perl_reload: loading config and database again";
2740	cf::cfg_load;	4008	cf::reload_config;
2741		4009
2742	warn "loading extensions";	4010	trace "perl_reload: loading extensions";
2743	cf::load_extensions;	4011	cf::load_extensions;
2744		4012
		4013	if ($REATTACH_ON_RELOAD) {
2745	warn "reattaching attachments to objects/players";	4014	trace "perl_reload: reattaching attachments to objects/players";
2746	_global_reattach; # objects, sockets	4015	_global_reattach; # objects, sockets
2747	warn "reattaching attachments to maps";	4016	trace "perl_reload: reattaching attachments to maps";
2748	reattach $_ for values %MAP;	4017	reattach $_ for values %MAP;
2749	warn "reattaching attachments to players";	4018	trace "perl_reload: reattaching attachments to players";
2750	reattach $_ for values %PLAYER;	4019	reattach $_ for values %PLAYER;
		4020	}
2751		4021
2752	warn "leaving sync_job";	4022	cf::_post_init 1;
2753		4023
		4024	trace "perl_reload: leaving sync_job";
		4025
2754	1	4026	1
2755	} or do {	4027	} or do {
2756	warn $@;	4028	error $@;
2757	warn "error while reloading, exiting.";	4029	cf::cleanup "perl_reload: error, exiting.";
2758	exit 1;	4030	};
		4031
		4032	--$RELOAD;
2759	};	4033	}
2760		4034
2761	warn "reloaded";	4035	$t1 = AE::time - $t1;
		4036	info "perl_reload: completed in ${t1}s\n";
2762	};	4037	};
2763		4038
2764	our $RELOAD_WATCHER; # used only during reload	4039	our $RELOAD_WATCHER; # used only during reload
2765		4040
2766	sub reload_perl() {	4041	sub reload_perl() {
2767	# doing reload synchronously and two reloads happen back-to-back,	4042	# doing reload synchronously and two reloads happen back-to-back,
2768	# coro crashes during coro_state_free->destroy here.	4043	# coro crashes during coro_state_free->destroy here.
2769		4044
2770	$RELOAD_WATCHER ||= Event->timer (	4045	$RELOAD_WATCHER ||= cf::async {
2771	reentrant => 0,	4046	Coro::AIO::aio_wait cache_extensions;
2772	after => 0,	4047
2773	data => WF_AUTOCANCEL,	4048	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2774	cb => sub {
2775	do_reload_perl;	4049	do_reload_perl;
2776	undef $RELOAD_WATCHER;	4050	undef $RELOAD_WATCHER;
2777	},	4051	};
2778	);	4052	};
2779	}	4053	}
2780		4054
2781	register_command "reload" => sub {	4055	register_command "reload" => sub {
2782	my ($who, $arg) = @_;	4056	my ($who, $arg) = @_;
2783		4057
2784	if ($who->flag (FLAG_WIZ)) {	4058	if ($who->flag (FLAG_WIZ)) {
2785	$who->message ("reloading server.");	4059	$who->message ("reloading server.");
		4060	async {
		4061	$Coro::current->{desc} = "perl_reload";
2786	async { reload_perl };	4062	reload_perl;
		4063	};
2787	}	4064	}
2788	};	4065	};
2789		4066
2790	unshift @INC, $LIBDIR;	4067	#############################################################################
2791		4068
2792	my $bug_warning = 0;	4069	my $bug_warning = 0;
2793		4070
2794	our @WAIT_FOR_TICK;	4071	our @WAIT_FOR_TICK;
2795	our @WAIT_FOR_TICK_BEGIN;	4072	our @WAIT_FOR_TICK_BEGIN;
2796		4073
2797	sub wait_for_tick {	4074	sub wait_for_tick() {
2798	return unless $TICK_WATCHER->is_active;
2799	return if $Coro::current == $Coro::main;	4075	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2800		4076
2801	my $signal = new Coro::Signal;	4077	my $signal = new Coro::Signal;
2802	push @WAIT_FOR_TICK, $signal;	4078	push @WAIT_FOR_TICK, $signal;
2803	$signal->wait;	4079	$signal->wait;
2804	}	4080	}
2805		4081
2806	sub wait_for_tick_begin {	4082	sub wait_for_tick_begin() {
2807	return unless $TICK_WATCHER->is_active;
2808	return if $Coro::current == $Coro::main;	4083	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2809		4084
2810	my $signal = new Coro::Signal;	4085	my $signal = new Coro::Signal;
2811	push @WAIT_FOR_TICK_BEGIN, $signal;	4086	push @WAIT_FOR_TICK_BEGIN, $signal;
2812	$signal->wait;	4087	$signal->wait;
2813	}	4088	}
2814		4089
2815	$TICK_WATCHER = Event->timer (	4090	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 != $Coro::main) {	4091	if ($Coro::current != $Coro::main) {
2823	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4092	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2824	unless ++$bug_warning > 10;	4093	unless ++$bug_warning > 10;
2825	return;	4094	return;
2826	}	4095	}
2827		4096
2828	$NOW = Event::time;
2829
2830	cf::server_tick; # one server iteration	4097	cf::server_tick; # one server iteration
2831		4098
2832	$RUNTIME += $TICK;	4099	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2833	$NEXT_TICK += $TICK;
2834		4100
2835	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4101	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2836	$NEXT_RUNTIME_WRITE = $NOW + 10;	4102	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2837	Coro::async_pool {	4103	Coro::async_pool {
		4104	$Coro::current->{desc} = "runtime saver";
2838	write_runtime	4105	write_runtime_sync
2839	or warn "ERROR: unable to write runtime file: $!";	4106	or error "ERROR: unable to write runtime file: $!";
2840	};
2841	}	4107	};
		4108	}
2842		4109
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) {	4110	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2853	$sig->send;	4111	$sig->send;
2854	}	4112	}
2855	while (my $sig = shift @WAIT_FOR_TICK) {	4113	while (my $sig = shift @WAIT_FOR_TICK) {
2856	$sig->send;	4114	$sig->send;
2857	}
2858
2859	_post_tick;
2860	},	4115	}
2861	);	4116
		4117	$LOAD = ($NOW - $TICK_START) / $TICK;
		4118	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4119
		4120	if (0) {
		4121	if ($NEXT_TICK) {
		4122	my $jitter = $TICK_START - $NEXT_TICK;
		4123	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4124	debug "jitter $JITTER\n";#d#
		4125	}
		4126	}
		4127	}
2862		4128
2863	{	4129	{
2864	BDB::max_poll_time $TICK * 0.1;	4130	# configure BDB
2865	$BDB_POLL_WATCHER = Event->io (	4131
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;	4132	BDB::min_parallel 16;
2874		4133	BDB::max_poll_reqs $TICK * 0.1;
2875	BDB::set_sync_prepare {	4134	$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	$! = $status;
2886	},
2887	)
2888	};
2889		4135
2890	unless ($DB_ENV) {	4136	unless ($DB_ENV) {
2891	$DB_ENV = BDB::db_env_create;	4137	$DB_ENV = BDB::db_env_create;
		4138	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4139	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4140	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4141	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4142	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2892		4143
2893	cf::sync_job {	4144	cf::sync_job {
2894	eval {	4145	eval {
2895	BDB::db_env_open	4146	BDB::db_env_open
2896	$DB_ENV,	4147	$DB_ENV,
…		…
2898	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4149	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2899	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4150	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2900	0666;	4151	0666;
2901		4152
2902	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4153	cf::cleanup "db_env_open($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	};	4154	};
2907		4155
2908	cf::cleanup "db_env_open(db): $@" if $@;	4156	cf::cleanup "db_env_open(db): $@" if $@;
2909	};	4157	};
2910	}	4158	}
		4159
		4160	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4161	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4162	};
		4163	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4164	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4165	};
		4166	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4167	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4168	};
2911	}	4169	}
2912		4170
2913	{	4171	{
		4172	# configure IO::AIO
		4173
2914	IO::AIO::min_parallel 8;	4174	IO::AIO::min_parallel 8;
2915
2916	undef $Coro::AIO::WATCHER;
2917	IO::AIO::max_poll_time $TICK * 0.1;	4175	IO::AIO::max_poll_time $TICK * 0.1;
2918	$AIO_POLL_WATCHER = Event->io (	4176	undef $AnyEvent::AIO::WATCHER;
2919	reentrant => 0,	4177	}
2920	data => WF_AUTOCANCEL,	4178
2921	fd => IO::AIO::poll_fileno,	4179	our $_log_backtrace;
2922	poll => 'r',	4180	our $_log_backtrace_last;
2923	prio => 6,	4181
2924	cb => \&IO::AIO::poll_cb,	4182	sub _log_backtrace {
2925	);	4183	my ($msg, @addr) = @_;
		4184
		4185	$msg =~ s/\n$//;
		4186
		4187	if ($_log_backtrace_last eq $msg) {
		4188	LOG llevInfo, "[ABT] $msg\n";
		4189	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4190	# limit the # of concurrent backtraces
		4191	} elsif ($_log_backtrace < 2) {
		4192	$_log_backtrace_last = $msg;
		4193	++$_log_backtrace;
		4194	my $perl_bt = Carp::longmess $msg;
		4195	async {
		4196	$Coro::current->{desc} = "abt $msg";
		4197
		4198	my @bt = fork_call {
		4199	@addr = map { sprintf "%x", $_ } @addr;
		4200	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4201	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4202	or die "addr2line: $!";
		4203
		4204	my @funcs;
		4205	my @res = <$fh>;
		4206	chomp for @res;
		4207	while (@res) {
		4208	my ($func, $line) = splice @res, 0, 2, ();
		4209	push @funcs, "[$func] $line";
		4210	}
		4211
		4212	@funcs
		4213	};
		4214
		4215	LOG llevInfo, "[ABT] $perl_bt\n";
		4216	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4217	LOG llevInfo, "[ABT] $_\n" for @bt;
		4218	--$_log_backtrace;
		4219	};
		4220	} else {
		4221	LOG llevInfo, "[ABT] $msg\n";
		4222	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4223	}
2926	}	4224	}
2927		4225
2928	# load additional modules	4226	# load additional modules
2929	use cf::pod;	4227	require "cf/$_.pm" for @EXTRA_MODULES;
		4228	cf::_connect_to_perl_2;
2930		4229
2931	END { cf::emergency_save }	4230	END { cf::emergency_save }
2932		4231
2933	1	4232	1
2934		4233

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