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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.262 by root, Sat Apr 28 05:55:55 2007 UTC vs.
Revision 1.563 by root, Sat Apr 23 04:56:51 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
61	our $DATADIR = datadir;	99	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
65	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
71		120
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	123	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
82		132
83	our %CFG;	133	our %CFG;
84		134
85	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
87		138
88	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
91		142
92	# used to convert map paths into valid unix filenames by replacing / by ∕	143	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		145
		146	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
		149	our $TICK_START; # for load detecting purposes
		150
		151	our @POST_INIT;
		152
		153	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		154	our $REALLY_UNLOOP; # never set to true, please :)
		155
95	binmode STDOUT;	156	binmode STDOUT;
96	binmode STDERR;	157	binmode STDERR;
97		158
98	# read virtual server time, if available	159	# read virtual server time, if available
99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
100	open my $fh, "<", "$LOCALDIR/runtime"	161	open my $fh, "<", $RUNTIMEFILE
101	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
102	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
103	}	164	}
		165
		166	eval "sub TICK() { $TICK } 1" or die;
104		167
105	mkdir $_	168	mkdir $_
106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
107		170
108	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
109		172
110	sub cf::map::normalise;	173	sub cf::map::normalise;
		174
		175	sub in_main() {
		176	$Coro::current == $Coro::main
		177	}
		178
		179	#############################################################################
		180
		181	%REFLECT = ();
		182	for (@REFLECT) {
		183	my $reflect = JSON::XS::decode_json $_;
		184	$REFLECT{$reflect->{class}} = $reflect;
		185	}
		186
		187	# this is decidedly evil
		188	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
111		189
112	#############################################################################	190	#############################################################################
113		191
114	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
115		193
…		…
139		217
140	=item $cf::TICK	218	=item $cf::TICK
141		219
142	The interval between server ticks, in seconds.	220	The interval between server ticks, in seconds.
143		221
		222	=item $cf::LOADAVG
		223
		224	The current CPU load on the server (alpha-smoothed), as a value between 0
		225	(none) and 1 (overloaded), indicating how much time is spent on processing
		226	objects per tick. Healthy values are < 0.5.
		227
		228	=item $cf::LOAD
		229
		230	The raw value load value from the last tick.
		231
144	=item %cf::CFG	232	=item %cf::CFG
145		233
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	235	from wherever your confdir points to.
148		236
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		238
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	239	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152	returns directly I<after> the tick processing (and consequently, can only wake one process	240	returns directly I<after> the tick processing (and consequently, can only wake one thread
153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
		248	=item @cf::INVOKE_RESULTS
		249
		250	This array contains the results of the last C<invoke ()> call. When
		251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		252	that call.
		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
		259
155	=back	260	=back
156		261
157	=cut	262	=cut
158		263
159	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
160	*CORE::GLOBAL::warn = sub {	265	sub warn (@) { LOG llevWarn , join "", @_ }
		266	sub info (@) { LOG llevInfo , join "", @_ }
		267	sub debug(@) { LOG llevDebug, join "", @_ }
		268	sub trace(@) { LOG llevTrace, join "", @_ }
		269
		270	$Coro::State::WARNHOOK = sub {
161	my $msg = join "", @_;	271	my $msg = join "", @_;
162		272
163	$msg .= "\n"	273	$msg .= "\n"
164	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
165		275
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		277
168	utf8::encode $msg;
169	LOG llevError, $msg;	278	LOG llevWarn, $msg;
170	};	279	};
171	}	280
		281	$Coro::State::DIEHOOK = sub {
		282	return unless $^S eq 0; # "eq", not "=="
		283
		284	error Carp::longmess $_[0];
		285
		286	if (in_main) {#d#
		287	error "DIEHOOK called in main context, Coro bug?\n";#d#
		288	return;#d#
		289	}#d#
		290
		291	# kill coroutine otherwise
		292	Coro::terminate
		293	};
172		294
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	299	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		300	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	301	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		302
180	# we bless all objects into (empty) derived classes to force a method lookup	303	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	304	# within the Safe compartment.
182	for my $pkg (qw(	305	for my $pkg (qw(
183	cf::global cf::attachable	306	cf::global cf::attachable
184	cf::object cf::object::player	307	cf::object cf::object::player
185	cf::client cf::player	308	cf::client cf::player
186	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
187	cf::map cf::party cf::region	311	cf::party cf::region
188	)) {	312	)) {
189	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	314	}
192		315
193	$Event::DIED = sub {	316	$EV::DIED = sub {
194	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
195	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
		324
		325	#############################################################################
196		326
197	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
198		328
199	=over 4	329	=over 4
200		330
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	349	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	350	$d
221	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
222	}	352	}
223		353
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	354	=item $scalar = load_file $path
225		355
		356	Loads the given file from path and returns its contents. Croaks on error
		357	and can block.
		358
		359	=cut
		360
		361	sub load_file($) {
		362	0 <= aio_load $_[0], my $data
		363	or Carp::croak "$_[0]: $!";
		364
		365	$data
		366	}
		367
226	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
227		369
228	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
229		371
230	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
231		373
232	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
233		375
		376	=cut
		377
		378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		379
		380	sub encode_json($) { $json_coder->encode ($_[0]) }
		381	sub decode_json($) { $json_coder->decode ($_[0]) }
		382
		383	=item $ref = cf::decode_storable $scalar
		384
		385	Same as Coro::Storable::thaw, so blocks.
		386
		387	=cut
		388
		389	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		390
		391	=item $ref = cf::decode_yaml $scalar
		392
		393	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		394
		395	=cut
		396
		397	sub decode_yaml($) {
		398	fork_call { YAML::XS::Load $_[0] } @_
		399	}
		400
		401	=item $scalar = cf::unlzf $scalar
		402
		403	Same as Compress::LZF::compress, but takes server ticks into account, so
		404	blocks.
		405
		406	=cut
		407
		408	sub unlzf($) {
		409	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		410	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		411	Compress::LZF::decompress $_[0]
		412	}
		413
		414	=item cf::post_init { BLOCK }
		415
		416	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		417	but I<before> the server starts ticking again.
		418
		419	The codeblock will have a single boolean argument to indicate whether this
		420	is a reload or not.
		421
		422	=cut
		423
		424	sub post_init(&) {
		425	push @POST_INIT, shift;
		426	}
		427
		428	sub _post_init {
		429	trace "running post_init jobs";
		430
		431	# run them in parallel...
		432
		433	my @join;
		434
		435	while () {
		436	push @join, map &Coro::async ($_, 0), @POST_INIT;
		437	@POST_INIT = ();
		438
		439	@join or last;
		440
		441	(pop @join)->join;
		442	}
		443	}
		444
234	=item cf::lock_wait $string	445	=item cf::lock_wait $string
235		446
236	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
237		448
238	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
239		450
240	Wait until the given lock is available and then acquires it and returns	451	Wait until the given lock is available and then acquires it and returns
241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	452	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
242	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
243	returned.	454	returned.
244		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
245	Lock names should begin with a unique identifier (for example, cf::map::find	459	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	460	uses map_find and cf::map::load uses map_load).
247		461
248	=item $locked = cf::lock_active $string	462	=item $locked = cf::lock_active $string
249		463
250	Return true if the lock is currently active, i.e. somebody has locked it.	464	Return true if the lock is currently active, i.e. somebody has locked it.
251		465
252	=cut	466	=cut
253		467
254	our %LOCK;	468	our $LOCKS = new Coro::SemaphoreSet;
255		469
256	sub lock_wait($) {	470	sub lock_wait($) {
257	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
258
259	# wait for lock, if any
260	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;
263	}
264	}	472	}
265		473
266	sub lock_acquire($) {	474	sub lock_acquire($) {
267	my ($key) = @_;	475	$LOCKS->guard ($_[0])
268
269	# wait, to be sure we are not locked
270	lock_wait $key;
271
272	$LOCK{$key} = [];
273
274	Coro::guard {
275	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };
277	}
278	}	476	}
279		477
280	sub lock_active($) {	478	sub lock_active($) {
281	my ($key) = @_;	479	$LOCKS->count ($_[0]) < 1
282
283	! ! $LOCK{$key}
284	}	480	}
285		481
286	sub freeze_mainloop {	482	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
288		484
289	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
290	$TICK_WATCHER->start;	486	}
		487
		488	=item cf::periodic $interval, $cb
		489
		490	Like EV::periodic, but randomly selects a starting point so that the actions
		491	get spread over time.
		492
		493	=cut
		494
		495	sub periodic($$) {
		496	my ($interval, $cb) = @_;
		497
		498	my $start = rand List::Util::min 180, $interval;
		499
		500	EV::periodic $start, $interval, 0, $cb
		501	}
		502
		503	=item cf::get_slot $time[, $priority[, $name]]
		504
		505	Allocate $time seconds of blocking CPU time at priority C<$priority>
		506	(default: 0): This call blocks and returns only when you have at least
		507	C<$time> seconds of cpu time till the next tick. The slot is only valid
		508	till the next cede.
		509
		510	Background jobs should use a priority les than zero, interactive jobs
		511	should use 100 or more.
		512
		513	The optional C<$name> can be used to identify the job to run. It might be
		514	used for statistical purposes and should identify the same time-class.
		515
		516	Useful for short background jobs.
		517
		518	=cut
		519
		520	our @SLOT_QUEUE;
		521	our $SLOT_QUEUE;
		522	our $SLOT_DECAY = 0.9;
		523
		524	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		525	$SLOT_QUEUE = Coro::async {
		526	$Coro::current->desc ("timeslot manager");
		527
		528	my $signal = new Coro::Signal;
		529	my $busy;
		530
		531	while () {
		532	next_job:
		533
		534	my $avail = cf::till_tick;
		535
		536	for (0 .. $#SLOT_QUEUE) {
		537	if ($SLOT_QUEUE[$_][0] <= $avail) {
		538	$busy = 0;
		539	my $job = splice @SLOT_QUEUE, $_, 1, ();
		540	$job->[2]->send;
		541	Coro::cede;
		542	goto next_job;
		543	} else {
		544	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		545	}
		546	}
		547
		548	if (@SLOT_QUEUE) {
		549	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		550	push @cf::WAIT_FOR_TICK, $signal;
		551	$signal->wait;
		552	} else {
		553	$busy = 0;
		554	Coro::schedule;
		555	}
291	};	556	}
292	$TICK_WATCHER->stop;	557	};
293	$guard	558
		559	sub get_slot($;$$) {
		560	return if tick_inhibit || $Coro::current == $Coro::main;
		561
		562	my ($time, $pri, $name) = @_;
		563
		564	$time = clamp $time, 0.01, $TICK * .6;
		565
		566	my $sig = new Coro::Signal;
		567
		568	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		569	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		570	$SLOT_QUEUE->ready;
		571	$sig->wait;
294	}	572	}
295		573
296	=item cf::async { BLOCK }	574	=item cf::async { BLOCK }
297		575
298	Currently the same as Coro::async_pool, meaning you cannot use	576	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		581
304	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
305		583
306	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
307		585
308	The design of crossfire+ requires that the main coro ($Coro::main) is	586	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	587	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	588	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		589	acceptable.
311		590
312	If it must be done, put the blocking parts into C<sync_job>. This will run	591	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	592	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	593	server will be frozen during this time, so the block should either finish
315	fast or be very important.	594	fast or be very important.
…		…
317	=cut	596	=cut
318		597
319	sub sync_job(&) {	598	sub sync_job(&) {
320	my ($job) = @_;	599	my ($job) = @_;
321		600
322	if ($Coro::current == $Coro::main) {	601	if (in_main) {
		602	my $time = AE::time;
		603
323	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
325		606
326	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	608
328	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
329		610
330	my $busy = 1;	611	my $busy = 1;
331	my @res;	612	my @res;
332		613
333	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	616	@res = eval { $job->() };
335	warn $@ if $@;	617	error $@ if $@;
336	undef $busy;	618	undef $busy;
337	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
338		620
339	while ($busy) {	621	while ($busy) {
340	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
341	}	626	}
		627	}
		628
		629	my $time = AE::time - $time;
		630
		631	$TICK_START += $time; # do not account sync jobs to server load
342		632
343	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
344	} else {	634	} else {
345	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
346		636
…		…
366	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
367		657
368	$coro	658	$coro
369	}	659	}
370		660
371	sub write_runtime {	661	=item fork_call { }, @args
372	my $guard = cf::lock_acquire "write_runtime";
373		662
374	my $runtime = "$LOCALDIR/runtime";	663	Executes the given code block with the given arguments in a seperate
		664	process, returning the results. Everything must be serialisable with
		665	Coro::Storable. May, of course, block. Note that the executed sub may
		666	never block itself or use any form of event handling.
375		667
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	668	=cut
377	or return;
378		669
379	my $value = $cf::RUNTIME + 90 + 10;	670	sub post_fork {
380	# 10 is the runtime save interval, for a monotonic clock	671	reset_signals;
381	# 60 allows for the watchdog to kill the server.	672	}
382		673
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	674	sub fork_call(&@) {
384	and return;	675	my ($cb, @args) = @_;
385		676
386	# always fsync - this file is important	677	# we seemingly have to make a local copy of the whole thing,
387	aio_fsync $fh	678	# otherwise perl prematurely frees the stuff :/
388	and return;	679	# TODO: investigate and fix (likely this will be rather laborious)
389		680
390	close $fh	681	my @res = Coro::Util::fork_eval {
391	or return;	682	cf::post_fork;
		683	&$cb
		684	} @args;
392		685
393	aio_rename "$runtime~", $runtime	686	wantarray ? @res : $res[-1]
394	and return;	687	}
395		688
		689	sub objinfo {
396	1	690	(
		691	"counter value" => cf::object::object_count,
		692	"objects created" => cf::object::create_count,
		693	"objects destroyed" => cf::object::destroy_count,
		694	"freelist size" => cf::object::free_count,
		695	"allocated objects" => cf::object::objects_size,
		696	"active objects" => cf::object::actives_size,
		697	)
		698	}
		699
		700	=item $coin = coin_from_name $name
		701
		702	=cut
		703
		704	our %coin_alias = (
		705	"silver" => "silvercoin",
		706	"silvercoin" => "silvercoin",
		707	"silvercoins" => "silvercoin",
		708	"gold" => "goldcoin",
		709	"goldcoin" => "goldcoin",
		710	"goldcoins" => "goldcoin",
		711	"platinum" => "platinacoin",
		712	"platinumcoin" => "platinacoin",
		713	"platinumcoins" => "platinacoin",
		714	"platina" => "platinacoin",
		715	"platinacoin" => "platinacoin",
		716	"platinacoins" => "platinacoin",
		717	"royalty" => "royalty",
		718	"royalties" => "royalty",
		719	);
		720
		721	sub coin_from_name($) {
		722	$coin_alias{$_[0]}
		723	? cf::arch::find $coin_alias{$_[0]}
		724	: undef
		725	}
		726
		727	=item $value = cf::db_get $family => $key
		728
		729	Returns a single value from the environment database.
		730
		731	=item cf::db_put $family => $key => $value
		732
		733	Stores the given C<$value> in the family. It can currently store binary
		734	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		735
		736	=item $db = cf::db_table "name"
		737
		738	Create and/or open a new database table. The string must not be "db" and must be unique
		739	within each server.
		740
		741	=cut
		742
		743	sub db_table($) {
		744	cf::error "db_get called from main context"
		745	if $Coro::current == $Coro::main;
		746
		747	my ($name) = @_;
		748	my $db = BDB::db_create $DB_ENV;
		749
		750	eval {
		751	$db->set_flags (BDB::CHKSUM);
		752
		753	utf8::encode $name;
		754	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		755	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		756	cf::cleanup "db_open(db): $!" if $!;
		757	};
		758	cf::cleanup "db_open(db): $@" if $@;
		759
		760	$db
		761	}
		762
		763	our $DB;
		764
		765	sub db_init {
		766	$DB ||= db_table "db";
		767	}
		768
		769	sub db_get($$) {
		770	my $key = "$_[0]/$_[1]";
		771
		772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
		775	BDB::db_get $DB, undef, $key, my $data;
		776
		777	$! ? ()
		778	: $data
		779	}
		780
		781	sub db_put($$$) {
		782	BDB::dbreq_pri 4;
		783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		784	}
		785
		786	=item cf::cache $id => [$paths...], $processversion => $process
		787
		788	Generic caching function that returns the value of the resource $id,
		789	caching and regenerating as required.
		790
		791	This function can block.
		792
		793	=cut
		794
		795	sub cache {
		796	my ($id, $src, $processversion, $process) = @_;
		797
		798	my $meta =
		799	join "\x00",
		800	$processversion,
		801	map {
		802	aio_stat $_
		803	and Carp::croak "$_: $!";
		804
		805	($_, (stat _)[7,9])
		806	} @$src;
		807
		808	my $dbmeta = db_get cache => "$id/meta";
		809	if ($dbmeta ne $meta) {
		810	# changed, we may need to process
		811
		812	my @data;
		813	my $md5;
		814
		815	for (0 .. $#$src) {
		816	$data[$_] = load_file $src->[$_];
		817	}
		818
		819	# if processing is expensive, check
		820	# checksum first
		821	if (1) {
		822	$md5 =
		823	join "\x00",
		824	$processversion,
		825	map {
		826	cf::cede_to_tick;
		827	($src->[$_], Digest::MD5::md5_hex $data[$_])
		828	} 0.. $#$src;
		829
		830
		831	my $dbmd5 = db_get cache => "$id/md5";
		832	if ($dbmd5 eq $md5) {
		833	db_put cache => "$id/meta", $meta;
		834
		835	return db_get cache => "$id/data";
		836	}
		837	}
		838
		839	my $t1 = Time::HiRes::time;
		840	my $data = $process->(\@data);
		841	my $t2 = Time::HiRes::time;
		842
		843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		844
		845	db_put cache => "$id/data", $data;
		846	db_put cache => "$id/md5" , $md5;
		847	db_put cache => "$id/meta", $meta;
		848
		849	return $data;
		850	}
		851
		852	db_get cache => "$id/data"
397	}	853	}
398		854
399	=item cf::datalog type => key => value, ...	855	=item cf::datalog type => key => value, ...
400		856
401	Log a datalog packet of the given type with the given key-value pairs.	857	Log a datalog packet of the given type with the given key-value pairs.
402		858
403	=cut	859	=cut
404		860
405	sub datalog($@) {	861	sub datalog($@) {
406	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
407	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
408	}	864	}
409		865
410	=back	866	=back
411		867
412	=cut	868	=cut
413		869
414	#############################################################################	870	#############################################################################
415		871
416	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
417		873
418	Many objects in crossfire are so-called attachable objects. That means you can	874	Many objects in deliantra are so-called attachable objects. That means you can
419	attach callbacks/event handlers (a collection of which is called an "attachment")	875	attach callbacks/event handlers (a collection of which is called an "attachment")
420	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
421		877
422	In the following description, CLASS can be any of C<global>, C<object>	878	In the following description, CLASS can be any of C<global>, C<object>
423	C<player>, C<client> or C<map> (i.e. the attachable objects in	879	C<player>, C<client> or C<map> (i.e. the attachable objects in
424	crossfire+).	880	Deliantra).
425		881
426	=over 4	882	=over 4
427		883
428	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
429		885
…		…
473	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
474		930
475	Register an attachment by C<$name> through which attachable objects of the	931	Register an attachment by C<$name> through which attachable objects of the
476	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
477		933
478	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
479	that are attached at load/instantiate time, thus the need for a name.	935	that are attached at load/instantiate time, thus the need for a name.
480		936
481	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
482		938
483	=over 4	939	=over 4
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	1048	$registry = $CB_TYPE[$object_type] ||= [];
593		1049
594	} elsif ($type eq "subtype") {	1050	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	1051	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	1052	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1053	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		1054
599	} elsif ($type eq "package") {	1055	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	1056	my $pkg = shift @arg;
601		1057
602	while (my ($name, $id) = each %cb_id) {	1058	while (my ($name, $id) = each %cb_id) {
…		…
607		1063
608	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
609	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
610		1066
611	} elsif (ref $type) {	1067	} elsif (ref $type) {
612	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
613		1069
614	} else {	1070	} else {
615	shift @arg;	1071	shift @arg;
616	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
617	}	1073	}
618	}	1074	}
619	}	1075	}
620		1076
621	sub _object_attach {	1077	sub _object_attach {
…		…
631	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
632	}	1088	}
633		1089
634	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
635	} else {	1091	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
637	}	1093	}
638		1094
639	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
640	}	1096	}
641		1097
…		…
643	if (ref $_[0]) {	1099	if (ref $_[0]) {
644	_object_attach @_;	1100	_object_attach @_;
645	} else {	1101	} else {
646	_attach shift->_attach_registry, @_;	1102	_attach shift->_attach_registry, @_;
647	}	1103	}
		1104	_recalc_want;
648	};	1105	};
649		1106
650	# all those should be optimised	1107	# all those should be optimised
651	sub cf::attachable::detach {	1108	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	1109	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	1112	delete $obj->{_attachment}{$name};
656	reattach ($obj);	1113	reattach ($obj);
657	} else {	1114	} else {
658	Carp::croak "cannot, currently, detach class attachments";	1115	Carp::croak "cannot, currently, detach class attachments";
659	}	1116	}
		1117	_recalc_want;
660	};	1118	};
661		1119
662	sub cf::attachable::attached {	1120	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	1121	my ($obj, $name) = @_;
664		1122
…		…
679	";	1137	";
680	die if $@;	1138	die if $@;
681	}	1139	}
682		1140
683	our $override;	1141	our $override;
684	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1142	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685		1143
686	sub override {	1144	sub override {
687	$override = 1;	1145	$override = 1;
688	@invoke_results = ();	1146	@INVOKE_RESULTS = (@_);
689	}	1147	}
690		1148
691	sub do_invoke {	1149	sub do_invoke {
692	my $event = shift;	1150	my $event = shift;
693	my $callbacks = shift;	1151	my $callbacks = shift;
694		1152
695	@invoke_results = ();	1153	@INVOKE_RESULTS = ();
696		1154
697	local $override;	1155	local $override;
698		1156
699	for (@$callbacks) {	1157	for (@$callbacks) {
700	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
701		1159
702	if ($@) {	1160	if ($@) {
703	warn "$@";
704	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
705	override;	1162	override;
706	}	1163	}
707		1164
708	return 1 if $override;	1165	return 1 if $override;
709	}	1166	}
710		1167
711	0	1168	0
712	}	1169	}
713		1170
714	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715		1172
716	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717		1174
718	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
719		1176
720	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1177	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
721	removed in future versions), and there is no public API to access override	1178	removed in future versions), and there is no public API to access override
722	results (if you must, access C<@cf::invoke_results> directly).	1179	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		1180
724	=back	1181	=back
725		1182
726	=cut	1183	=cut
727		1184
728	#############################################################################	1185	#############################################################################
729	# object support	1186	# object support
		1187
		1188	sub _object_equal($$);
		1189	sub _object_equal($$) {
		1190	my ($a, $b) = @_;
		1191
		1192	return 0 unless (ref $a) eq (ref $b);
		1193
		1194	if ("HASH" eq ref $a) {
		1195	my @ka = keys %$a;
		1196	my @kb = keys %$b;
		1197
		1198	return 0 if @ka != @kb;
		1199
		1200	for (0 .. $#ka) {
		1201	return 0 unless $ka[$_] eq $kb[$_];
		1202	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1203	}
		1204
		1205	} elsif ("ARRAY" eq ref $a) {
		1206
		1207	return 0 if @$a != @$b;
		1208
		1209	for (0 .. $#$a) {
		1210	return 0 unless _object_equal $a->[$_], $b->[$_];
		1211	}
		1212
		1213	} elsif ($a ne $b) {
		1214	return 0;
		1215	}
		1216
		1217	1
		1218	}
		1219
		1220	our $SLOW_MERGES;#d#
		1221	sub _can_merge {
		1222	my ($ob1, $ob2) = @_;
		1223
		1224	++$SLOW_MERGES;#d#
		1225
		1226	# we do the slow way here
		1227	return _object_equal $ob1, $ob2
		1228	}
730		1229
731	sub reattach {	1230	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	1232	my ($obj) = @_;
734		1233
		1234	# no longer needed after getting rid of delete_package?
735	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1235	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
736		1236
737	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
738		1238
739	@$registry = ();	1239	@$registry = ();
740		1240
…		…
745	for (@$attach) {	1245	for (@$attach) {
746	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
747	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
748	}	1248	}
749	} else {	1249	} else {
750	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
751	}	1251	}
752	}	1252	}
753	}	1253	}
754		1254
755	cf::attachable->attach (	1255	cf::attachable->attach (
756	prio => -1000000,	1256	prio => -1000000,
757	on_instantiate => sub {	1257	on_instantiate => sub {
758	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
759		1259
760	$data = from_json $data;	1260	$data = decode_json $data;
761		1261
762	for (@$data) {	1262	for (@$data) {
763	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
764		1264
765	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
781	sub object_freezer_save {	1281	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
783		1283
784	sync_job {	1284	sync_job {
785	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
788		1290
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	aio_fsync $fh if $cf::USE_FSYNC;	1294	if ($cf::USE_FSYNC) {
		1295	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1296	aio_fsync $fh;
		1297	}
793	close $fh;	1298	aio_close $fh;
794		1299
795	if (@$objs) {	1300	if (@$objs) {
796	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1301	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
797	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
798	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
800	aio_fsync $fh if $cf::USE_FSYNC;	1305	if ($cf::USE_FSYNC) {
		1306	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1307	aio_fsync $fh;
		1308	}
801	close $fh;	1309	aio_close $fh;
802	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
803	}	1311	}
804	} else {	1312	} else {
805	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
806	}	1314	}
807		1315
808	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
809	} else {	1320	} else {
810	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
811	}	1322	}
812	} else {	1323	} else {
813	aio_unlink $filename;	1324	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
815	}	1326	}
816	}	1327	};
817	}	1328	}
818		1329
819	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
821		1332
…		…
833	or return;	1344	or return;
834		1345
835	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
837	or return;	1348	or return;
		1349
838	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
839	}	1352	}
840		1353
		1354	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
843	return ($data, $av);	1359	($data, $av)
844	}	1360	}
		1361
		1362	=head2 COMMAND CALLBACKS
		1363
		1364	=over 4
		1365
		1366	=cut
845		1367
846	#############################################################################	1368	#############################################################################
847	# command handling &c	1369	# command handling &c
848		1370
849	=item cf::register_command $name => \&callback($ob,$args);	1371	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1384	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1385	}
864		1386
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1387	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1388
867	Register a callbackf ro execution when the client sends an extcmd packet.	1389	Register a callback for execution when the client sends an (synchronous)
		1390	extcmd packet. Ext commands will be processed in the order they are
		1391	received by the server, like other user commands. The first argument is
		1392	the logged-in player. Ext commands can only be processed after a player
		1393	has logged in successfully.
868		1394
869	If the callback returns something, it is sent back as if reply was being	1395	If the callback returns something, it is sent back as if reply was being
870	called.	1396	called.
871		1397
		1398	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1399
		1400	Register a callback for execution when the client sends an (asynchronous)
		1401	exticmd packet. Exti commands are processed by the server as soon as they
		1402	are received, i.e. out of order w.r.t. other commands. The first argument
		1403	is a client socket. Exti commands can be received anytime, even before
		1404	log-in.
		1405
		1406	If the callback returns something, it is sent back as if reply was being
		1407	called.
		1408
872	=cut	1409	=cut
873		1410
874	sub register_extcmd {	1411	sub register_extcmd {
875	my ($name, $cb) = @_;	1412	my ($name, $cb) = @_;
876		1413
877	$EXTCMD{$name} = $cb;	1414	$EXTCMD{$name} = $cb;
878	}	1415	}
879		1416
		1417	sub register_exticmd {
		1418	my ($name, $cb) = @_;
		1419
		1420	$EXTICMD{$name} = $cb;
		1421	}
		1422
		1423	use File::Glob ();
		1424
880	cf::player->attach (	1425	cf::player->attach (
881	on_command => sub {	1426	on_unknown_command => sub {
882	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
883		1428
884	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
885	or return;	1430	or return;
886		1431
…		…
891	cf::override;	1436	cf::override;
892	},	1437	},
893	on_extcmd => sub {	1438	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1439	my ($pl, $buf) = @_;
895		1440
896	my $msg = eval { from_json $buf };	1441	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1442
898	if (ref $msg) {	1443	if (ref $msg) {
		1444	my ($type, $reply, @payload) =
		1445	"ARRAY" eq ref $msg
		1446	? @$msg
		1447	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1448
		1449	my @reply;
		1450
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1451	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1452	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
904	} else {	1458	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1460	}
907		1461
908	cf::override;	1462	cf::override;
909	},	1463	},
910	);	1464	);
911		1465
		1466	# "readahead" all extensions
912	sub load_extension {	1467	sub cache_extensions {
913	my ($path) = @_;	1468	my $grp = IO::AIO::aio_group;
914		1469
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
916	my $base = $1;	1471	for (grep /\.ext$/, @{$_[0]}) {
917	my $pkg = $1;	1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
918	$pkg =~ s/[^[:word:]]/_/g;
919	$pkg = "ext::$pkg";
920
921	warn "... loading '$path' into '$pkg'\n";
922
923	open my $fh, "<:utf8", $path
924	or die "$path: $!";
925
926	my $source =
927	"package $pkg; use strict; use utf8;\n"
928	. "#line 1 \"$path\"\n{\n"
929	. (do { local $/; <$fh> })
930	. "\n};\n1";
931
932	unless (eval $source) {
933	my $msg = $@ ? "$path: $@\n"
934	: "extension disabled.\n";
935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936	warn $@;
937	warn "mandatory extension failed to load, exiting.\n";
938	exit 1;
939	}	1473	}
940	die $@;
941	}	1474	};
942		1475
943	push @EXTS, $pkg;	1476	$grp
944	}	1477	}
945		1478
946	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
		1482	cf::sync_job {
		1483	my %todo;
		1484
947	for my $ext (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1486	next unless -r $path;
949	eval {	1487
950	load_extension $ext;	1488	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1489	my $base = $1;
		1490	my $pkg = $1;
		1491	$pkg =~ s/[^[:word:]]/_/g;
		1492	$pkg = "ext::$pkg";
		1493
		1494	open my $fh, "<:utf8", $path
		1495	or die "$path: $!";
		1496
		1497	my $source = do { local $/; <$fh> };
		1498
		1499	my %ext = (
		1500	path => $path,
		1501	base => $base,
		1502	pkg => $pkg,
		1503	);
		1504
		1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1507
		1508	$ext{source} =
		1509	"package $pkg; use common::sense;\n"
		1510	. "#line 1 \"$path\"\n{\n"
		1511	. $source
		1512	. "\n};\n1";
		1513
		1514	$todo{$base} = \%ext;
		1515	}
		1516
		1517	my $pass = 0;
		1518	my %done;
		1519	while (%todo) {
		1520	my $progress;
		1521
		1522	++$pass;
		1523
		1524	ext:
		1525	while (my ($k, $v) = each %todo) {
		1526	for (split /,\s*/, $v->{meta}{depends}) {
		1527	next ext
		1528	unless exists $done{$_};
		1529	}
		1530
		1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1532
		1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
		1536	error "$v->{path}: $@\n";
		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1539	if exists $v->{meta}{mandatory};
		1540
		1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1542	delete $todo{$k};
		1543	} else {
		1544	$done{$k} = delete $todo{$k};
		1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
		1550	}
951	1	1551	}
952	} or warn "$ext not loaded: $@";	1552
		1553	unless ($progress) {
		1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1555
		1556	while (my ($k, $v) = each %todo) {
		1557	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559	}
		1560
		1561	last;
		1562	}
		1563	}
953	}	1564	};
954	}	1565	}
955		1566
956	#############################################################################	1567	#############################################################################
957		1568
		1569	=back
		1570
958	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
959		1572
960	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
961		1574
962	=cut	1575	=cut
963		1576
964	package cf::player;	1577	package cf::player;
965		1578
966	use Coro::AIO;	1579	use Coro::AIO;
967		1580
968	=head3 cf::player	1581	=head3 cf::player
969		1582
970	=over 4	1583	=over 4
		1584
		1585	=item cf::player::num_playing
		1586
		1587	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1588
		1589	=cut
		1590
		1591	sub num_playing {
		1592	scalar grep
		1593	$_->ob->map
		1594	&& !$_->hidden
		1595	&& !$_->ob->flag (cf::FLAG_WIZ),
		1596	cf::player::list
		1597	}
971		1598
972	=item cf::player::find $login	1599	=item cf::player::find $login
973		1600
974	Returns the given player object, loading it if necessary (might block).	1601	Returns the given player object, loading it if necessary (might block).
975		1602
…		…
994		1621
995	sub exists($) {	1622	sub exists($) {
996	my ($login) = @_;	1623	my ($login) = @_;
997		1624
998	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
999	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
1000	}	1627	}
1001		1628
1002	sub find($) {	1629	sub find($) {
1003	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
1004	my $login = $_[0];	1631	my $login = $_[0];
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1638	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1639	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1640	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1641	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1642
1016	my $pl = load_pl path $login	1643	my $f = new_from_file cf::object::thawer path $login
1017	or return;	1644	or return;
		1645
		1646	my $pl = cf::player::load_pl $f
		1647	or return;
		1648
		1649	local $cf::PLAYER_LOADING{$login} = $pl;
		1650	$f->resolve_delayed_derefs;
1018	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1019	}	1652	}
1020	}	1653	}
1021	}	1654	}
		1655
		1656	cf::player->attach (
		1657	on_load => sub {
		1658	my ($pl, $path) = @_;
		1659
		1660	# restore slots saved in save, below
		1661	my $slots = delete $pl->{_slots};
		1662
		1663	$pl->ob->current_weapon ($slots->[0]);
		1664	$pl->combat_ob ($slots->[1]);
		1665	$pl->ranged_ob ($slots->[2]);
		1666	},
		1667	);
1022		1668
1023	sub save($) {	1669	sub save($) {
1024	my ($pl) = @_;	1670	my ($pl) = @_;
1025		1671
1026	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
…		…
1031	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1032		1678
1033	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
1035		1681
		1682	cf::get_slot 0.01;
		1683
		1684	# save slots, to be restored later
		1685	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1686
1036	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1037	Coro::cede;	1688	cf::cede_to_tick;
1038	}	1689	}
1039		1690
1040	sub new($) {	1691	sub new($) {
1041	my ($login) = @_;	1692	my ($login) = @_;
1042		1693
…		…
1048	$cf::PLAYER{$login} = $self;	1699	$cf::PLAYER{$login} = $self;
1049		1700
1050	$self	1701	$self
1051	}	1702	}
1052		1703
		1704	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1705
		1706	=cut
		1707
		1708	sub send_msg {
		1709	my $ns = shift->ns
		1710	or return;
		1711	$ns->send_msg (@_);
		1712	}
		1713
1053	=item $pl->quit_character	1714	=item $pl->quit_character
1054		1715
1055	Nukes the player without looking back. If logged in, the connection will	1716	Nukes the player without looking back. If logged in, the connection will
1056	be destroyed. May block for a long time.	1717	be destroyed. May block for a long time.
1057		1718
…		…
1061	my ($pl) = @_;	1722	my ($pl) = @_;
1062		1723
1063	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1064		1725
1065	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1066	$pl->password ("*"); # this should lock out the player until we nuked the dir	1727	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1067		1728
1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1069	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1070	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1071	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1072		1737
1073	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1074	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1075	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1110	or return [];	1775	or return [];
1111		1776
1112	my @logins;	1777	my @logins;
1113		1778
1114	for my $login (@$dirs) {	1779	for my $login (@$dirs) {
		1780	my $path = path $login;
		1781
		1782	# a .pst is a dead give-away for a valid player
		1783	# if no pst file found, open and chekc for blocked users
		1784	if (aio_stat "$path.pst") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1118		1789
1119	utf8::decode $login;	1790	utf8::decode $login;
1120	push @logins, $login;	1791	push @logins, $login;
1121	}	1792	}
1122		1793
1123	\@logins	1794	\@logins
1124	}	1795	}
1125		1796
1126	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1127		1800
1128	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1129	player. May block.	1802	player. May block.
1130		1803
1131	=cut	1804	=cut
…		…
1149	}	1822	}
1150		1823
1151	\@paths	1824	\@paths
1152	}	1825	}
1153		1826
		1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1828
		1829	Expand deliantra pod fragments into protocol xml.
		1830
1154	=item $player->ext_reply ($msgid, %msg)	1831	=item $player->ext_reply ($msgid, @msg)
1155		1832
1156	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1157		1834
1158	=cut	1835	=cut
1159		1836
1160	sub ext_reply($$%) {	1837	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1838	my ($self, $id, @msg) = @_;
1162		1839
1163	$msg{msgid} = $id;	1840	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1841	}
1167		1842
1168	=item $player->ext_event ($type, %msg)	1843	=item $player->ext_msg ($type, @msg)
1169		1844
1170	Sends an ext event to the client.	1845	Sends an ext event to the client.
1171		1846
1172	=cut	1847	=cut
1173		1848
1174	sub ext_event($$%) {	1849	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1850	my ($self, $type, @msg) = @_;
1176		1851
1177	$self->ns->ext_event ($type, %msg);	1852	$self->ns->ext_msg ($type, @msg);
1178	}	1853	}
1179		1854
1180	=head3 cf::region	1855	=head3 cf::region
1181		1856
1182	=over 4	1857	=over 4
…		…
1185		1860
1186	package cf::region;	1861	package cf::region;
1187		1862
1188	=item cf::region::find_by_path $path	1863	=item cf::region::find_by_path $path
1189		1864
1190	Tries to decuce the probable region for a map knowing only its path.	1865	Tries to decuce the likely region for a map knowing only its path.
1191		1866
1192	=cut	1867	=cut
1193		1868
1194	sub find_by_path($) {	1869	sub find_by_path($) {
1195	my ($path) = @_;	1870	my ($path) = @_;
1196		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
		1873
1197	my ($match, $specificity);	1874	my ($match, $specificity);
1198		1875
1199	for my $region (list) {	1876	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1877	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1878	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1879	if $region->specificity > $specificity;
1203	}	1880	}
1204	}	1881	}
1205		1882
…		…
1226	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1227	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1228		1905
1229	sub generate_random_map {	1906	sub generate_random_map {
1230	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1231	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1232	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1236	$rmp->{exit_on_final_map},
1237	$rmp->{xsize}, $rmp->{ysize},
1238	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1239	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1240	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1241	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1242	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1243	(cf::region::find $rmp->{region}), $rmp->{custom}
1244	)
1245	}	1912	}
1246		1913
1247	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1248		1915
1249	Register a handler for the map path matching the given regex at the	1916	Register a handler for the map path matching the given regex at the
…		…
1254		1921
1255	sub register {	1922	sub register {
1256	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1257	my $pkg = caller;	1924	my $pkg = caller;
1258		1925
1259	no strict;
1260	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1261		1927
1262	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1263	}	1929	}
1264		1930
1265	# also paths starting with '/'	1931	# also paths starting with '/'
1266	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1267		1933
1268	sub thawer_merge {	1934	sub thawer_merge {
1269	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1270		1936
1271	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
1272	local $self->{path};	1938	local $self->{path};
1273	local $self->{load_path};	1939	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1940
1277	$self->SUPER::thawer_merge ($merge);	1941	$self->SUPER::thawer_merge ($merge);
1278	}	1942	}
1279		1943
1280	sub normalise {	1944	sub normalise {
1281	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1282		1946
1283	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1284		1948
1285	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1286		1950
1287	# map plan:	1951	# map plan:
1288	#	1952	#
…		…
1303	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1304	$path = "$base/$path";	1968	$path = "$base/$path";
1305	}	1969	}
1306		1970
1307	for ($path) {	1971	for ($path) {
1308	redo if s{//}{/};
1309	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1310	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1311	}	1974	}
1312		1975
1313	$path	1976	$path
…		…
1327	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1328	return $self;	1991	return $self;
1329	}	1992	}
1330	}	1993	}
1331		1994
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1333	()	1996	()
1334	}	1997	}
1335		1998
		1999	# may re-bless or do other evil things
1336	sub init {	2000	sub init {
1337	my ($self) = @_;	2001	my ($self) = @_;
1338		2002
1339	$self	2003	$self
1340	}	2004	}
…		…
1359		2023
1360	# the temporary/swap location	2024	# the temporary/swap location
1361	sub save_path {	2025	sub save_path {
1362	my ($self) = @_;	2026	my ($self) = @_;
1363		2027
1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2028	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365	"$TMPDIR/$path.map"	2029	"$TMPDIR/$path.map"
1366	}	2030	}
1367		2031
1368	# the unique path, undef == no special unique path	2032	# the unique path, undef == no special unique path
1369	sub uniq_path {	2033	sub uniq_path {
1370	my ($self) = @_;	2034	my ($self) = @_;
1371		2035
1372	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373	"$UNIQUEDIR/$path"	2037	"$UNIQUEDIR/$path"
1374	}	2038	}
1375		2039
1376	# and all this just because we cannot iterate over	2040	sub decay_objects {
1377	# all maps in C++...
1378	sub change_all_map_light {
1379	my ($change) = @_;	2041	my ($self) = @_;
1380		2042
1381	$_->change_map_light ($change)	2043	return if $self->{deny_reset};
1382	for grep $_->outdoor, values %cf::MAP;	2044
		2045	$self->do_decay_objects;
1383	}	2046	}
1384		2047
1385	sub unlink_save {	2048	sub unlink_save {
1386	my ($self) = @_;	2049	my ($self) = @_;
1387		2050
…		…
1392		2055
1393	sub load_header_from($) {	2056	sub load_header_from($) {
1394	my ($self, $path) = @_;	2057	my ($self, $path) = @_;
1395		2058
1396	utf8::encode $path;	2059	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	2060	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	2061	or return;
		2062
		2063	$self->_load_header ($f)
		2064	or return;
		2065
		2066	local $MAP_LOADING{$self->{path}} = $self;
		2067	$f->resolve_delayed_derefs;
1402		2068
1403	$self->{load_path} = $path;	2069	$self->{load_path} = $path;
1404		2070
1405	1	2071	1
1406	}	2072	}
…		…
1445	$self->load_header_orig	2111	$self->load_header_orig
1446	or return;	2112	or return;
1447	$self->prepare_orig;	2113	$self->prepare_orig;
1448	}	2114	}
1449		2115
		2116	$self->{deny_reset} = 1
		2117	if $self->no_reset;
		2118
1450	$self->default_region (cf::region::find_by_path $self->{path})	2119	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	2120	unless $self->default_region;
1452		2121
1453	1	2122	1
1454	}	2123	}
1455		2124
1456	sub find;	2125	sub find;
1457	sub find {	2126	sub find {
1458	my ($path, $origin) = @_;	2127	my ($path, $origin) = @_;
1459		2128
		2129	cf::cede_to_tick;
		2130
1460	$path = normalise $path, $origin && $origin->path;	2131	$path = normalise $path, $origin && $origin->path;
1461		2132
		2133	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	2134	my $guard2 = cf::lock_acquire "map_find:$path";
1463		2135
1464	$cf::MAP{$path} || do {	2136	$cf::MAP{$path} || do {
1465	my $guard = cf::lock_acquire "map_find:$path";
1466	my $map = new_from_path cf::map $path	2137	my $map = new_from_path cf::map $path
1467	or return;	2138	or return;
1468		2139
1469	$map->{last_save} = $cf::RUNTIME;	2140	$map->{last_save} = $cf::RUNTIME;
1470		2141
1471	$map->load_header	2142	$map->load_header
1472	or return;	2143	or return;
1473		2144
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2145	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	2146	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	2147	#$cf::WAIT_FOR_TICK->wait;
		2148	undef $guard2;
		2149	undef $guard1;
1477	$map->reset;	2150	$map->reset;
1478	undef $guard;
1479	return find $path;	2151	return find $path;
1480	}	2152	}
1481		2153
1482	$cf::MAP{$path} = $map	2154	$cf::MAP{$path} = $map
1483	}	2155	}
1484	}	2156	}
1485		2157
1486	sub pre_load { }	2158	sub pre_load { }
1487	sub post_load { }	2159	#sub post_load { } # XS
1488		2160
1489	sub load {	2161	sub load {
1490	my ($self) = @_;	2162	my ($self) = @_;
1491		2163
1492	local $self->{deny_reset} = 1; # loading can take a long time	2164	local $self->{deny_reset} = 1; # loading can take a long time
1493		2165
1494	my $path = $self->{path};	2166	my $path = $self->{path};
1495		2167
1496	{	2168	{
1497	my $guard = cf::lock_acquire "map_load:$path";	2169	my $guard = cf::lock_acquire "map_data:$path";
1498		2170
		2171	return unless $self->valid;
1499	return if $self->in_memory != cf::MAP_SWAPPED;	2172	return unless $self->in_memory == cf::MAP_SWAPPED;
1500		2173
1501	$self->in_memory (cf::MAP_LOADING);	2174	$self->in_memory (cf::MAP_LOADING);
1502		2175
1503	$self->alloc;	2176	$self->alloc;
1504		2177
1505	$self->pre_load;	2178	$self->pre_load;
1506	Coro::cede;	2179	cf::cede_to_tick;
1507		2180
1508	$self->_load_objects ($self->{load_path}, 1)	2181	if (exists $self->{load_path}) {
		2182	my $f = new_from_file cf::object::thawer $self->{load_path};
		2183	$f->skip_block;
		2184	$self->_load_objects ($f)
1509	or return;	2185	or return;
1510		2186
1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2187	$self->post_load_original
1512	if delete $self->{load_original};	2188	if delete $self->{load_original};
1513		2189
1514	if (my $uniq = $self->uniq_path) {	2190	if (my $uniq = $self->uniq_path) {
1515	utf8::encode $uniq;	2191	utf8::encode $uniq;
1516	if (aio_open $uniq, O_RDONLY, 0) {	2192	unless (aio_stat $uniq) {
		2193	if (my $f = new_from_file cf::object::thawer $uniq) {
1517	$self->clear_unique_items;	2194	$self->clear_unique_items;
1518	$self->_load_objects ($uniq, 0);	2195	$self->_load_objects ($f);
		2196	$f->resolve_delayed_derefs;
		2197	}
		2198	}
1519	}	2199	}
1520	}
1521		2200
1522	Coro::cede;	2201	$f->resolve_delayed_derefs;
		2202	}
		2203
		2204	cf::cede_to_tick;
1523	# now do the right thing for maps	2205	# now do the right thing for maps
1524	$self->link_multipart_objects;	2206	$self->link_multipart_objects;
1525	$self->difficulty ($self->estimate_difficulty)	2207	$self->difficulty ($self->estimate_difficulty)
1526	unless $self->difficulty;	2208	unless $self->difficulty;
1527	Coro::cede;	2209	cf::cede_to_tick;
1528		2210
1529	unless ($self->{deny_activate}) {	2211	unless ($self->{deny_activate}) {
1530	$self->decay_objects;	2212	$self->decay_objects;
1531	$self->fix_auto_apply;	2213	$self->fix_auto_apply;
1532	$self->update_buttons;	2214	$self->update_buttons;
1533	Coro::cede;	2215	cf::cede_to_tick;
1534	$self->set_darkness_map;
1535	Coro::cede;
1536	$self->activate;	2216	$self->activate;
1537	}	2217	}
1538		2218
		2219	$self->{last_save} = $cf::RUNTIME;
		2220	$self->last_access ($cf::RUNTIME);
		2221
1539	$self->in_memory (cf::MAP_IN_MEMORY);	2222	$self->in_memory (cf::MAP_ACTIVE);
1540	}	2223	}
1541		2224
1542	$self->post_load;	2225	$self->post_load;
1543	}
1544		2226
		2227	1
		2228	}
		2229
		2230	# customize the map for a given player, i.e.
		2231	# return the _real_ map. used by e.g. per-player
		2232	# maps to change the path to ~playername/mappath
1545	sub customise_for {	2233	sub customise_for {
1546	my ($self, $ob) = @_;	2234	my ($self, $ob) = @_;
1547		2235
1548	return find "~" . $ob->name . "/" . $self->{path}	2236	return find "~" . $ob->name . "/" . $self->{path}
1549	if $self->per_player;	2237	if $self->per_player;
1550		2238
		2239	# return find "?party/" . $ob->name . "/" . $self->{path}
		2240	# if $self->per_party;
		2241
1551	$self	2242	$self
1552	}	2243	}
1553		2244
1554	# find and load all maps in the 3x3 area around a map	2245	# find and load all maps in the 3x3 area around a map
1555	sub load_diag {	2246	sub load_neighbours {
1556	my ($map) = @_;	2247	my ($map) = @_;
1557		2248
1558	my @diag; # diagonal neighbours	2249	my @neigh; # diagonal neighbours
1559		2250
1560	for (0 .. 3) {	2251	for (0 .. 3) {
1561	my $neigh = $map->tile_path ($_)	2252	my $neigh = $map->tile_path ($_)
1562	or next;	2253	or next;
1563	$neigh = find $neigh, $map	2254	$neigh = find $neigh, $map
1564	or next;	2255	or next;
1565	$neigh->load;	2256	$neigh->load;
1566		2257
		2258	# now find the diagonal neighbours
		2259	push @neigh,
1567	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2260	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1568	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2261	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1569	}	2262	}
1570		2263
1571	for (@diag) {	2264	for (grep defined $_->[0], @neigh) {
		2265	my ($path, $origin) = @$_;
1572	my $neigh = find @$_	2266	my $neigh = find $path, $origin
1573	or next;	2267	or next;
1574	$neigh->load;	2268	$neigh->load;
1575	}	2269	}
1576	}	2270	}
1577		2271
1578	sub find_sync {	2272	sub find_sync {
1579	my ($path, $origin) = @_;	2273	my ($path, $origin) = @_;
1580		2274
1581	cf::sync_job { find $path, $origin }	2275	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2276	if $Coro::current == $Coro::main;
		2277
		2278	find $path, $origin
1582	}	2279	}
1583		2280
1584	sub do_load_sync {	2281	sub do_load_sync {
1585	my ($map) = @_;	2282	my ($map) = @_;
1586		2283
1587	cf::sync_job { $map->load };	2284	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2285	if $Coro::current == $Coro::main;
		2286
		2287	$map->load;
1588	}	2288	}
1589		2289
1590	our %MAP_PREFETCH;	2290	our %MAP_PREFETCH;
1591	our $MAP_PREFETCHER = undef;	2291	our $MAP_PREFETCHER = undef;
1592		2292
1593	sub find_async {	2293	sub find_async {
1594	my ($path, $origin) = @_;	2294	my ($path, $origin, $load) = @_;
1595		2295
1596	$path = normalise $path, $origin && $origin->{path};	2296	$path = normalise $path, $origin && $origin->{path};
1597		2297
1598	if (my $map = $cf::MAP{$path}) {	2298	if (my $map = $cf::MAP{$path}) {
1599	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2299	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1600	}	2300	}
1601		2301
1602	undef $MAP_PREFETCH{$path};	2302	$MAP_PREFETCH{$path} |= $load;
		2303
1603	$MAP_PREFETCHER ||= cf::async {	2304	$MAP_PREFETCHER ||= cf::async {
		2305	$Coro::current->{desc} = "map prefetcher";
		2306
1604	while (%MAP_PREFETCH) {	2307	while (%MAP_PREFETCH) {
1605	for my $path (keys %MAP_PREFETCH) {	2308	while (my ($k, $v) = each %MAP_PREFETCH) {
1606	my $map = find $path	2309	if (my $map = find $k) {
1607	or next;
1608	$map->load;	2310	$map->load if $v;
		2311	}
1609		2312
1610	delete $MAP_PREFETCH{$path};	2313	delete $MAP_PREFETCH{$k};
1611	}	2314	}
1612	}	2315	}
1613	undef $MAP_PREFETCHER;	2316	undef $MAP_PREFETCHER;
1614	};	2317	};
1615	$MAP_PREFETCHER->prio (6);	2318	$MAP_PREFETCHER->prio (6);
1616		2319
1617	()	2320	()
1618	}	2321	}
1619		2322
		2323	# common code, used by both ->save and ->swapout
1620	sub save {	2324	sub _save {
1621	my ($self) = @_;	2325	my ($self) = @_;
1622
1623	my $lock = cf::lock_acquire "map_data:" . $self->path;
1624		2326
1625	$self->{last_save} = $cf::RUNTIME;	2327	$self->{last_save} = $cf::RUNTIME;
1626		2328
1627	return unless $self->dirty;	2329	return unless $self->dirty;
1628		2330
…		…
1634	return if $self->{deny_save};	2336	return if $self->{deny_save};
1635		2337
1636	local $self->{last_access} = $self->last_access;#d#	2338	local $self->{last_access} = $self->last_access;#d#
1637		2339
1638	cf::async {	2340	cf::async {
		2341	$Coro::current->{desc} = "map player save";
1639	$_->contr->save for $self->players;	2342	$_->contr->save for $self->players;
1640	};	2343	};
		2344
		2345	cf::get_slot 0.02;
1641		2346
1642	if ($uniq) {	2347	if ($uniq) {
1643	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2348	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1644	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2349	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1645	} else {	2350	} else {
1646	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2351	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1647	}	2352	}
1648	}	2353	}
1649		2354
		2355	sub save {
		2356	my ($self) = @_;
		2357
		2358	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2359
		2360	$self->_save;
		2361	}
		2362
1650	sub swap_out {	2363	sub swap_out {
1651	my ($self) = @_;	2364	my ($self) = @_;
1652		2365
1653	# save first because save cedes
1654	$self->save;
1655
1656	my $lock = cf::lock_acquire "map_data:" . $self->path;	2366	my $lock = cf::lock_acquire "map_data:$self->{path}";
1657		2367
		2368	return if $self->in_memory != cf::MAP_ACTIVE;
		2369	return if $self->{deny_save};
1658	return if $self->players;	2370	return if $self->players;
1659	return if $self->in_memory != cf::MAP_IN_MEMORY;
1660	return if $self->{deny_save};
1661		2371
		2372	# first deactivate the map and "unlink" it from the core
		2373	$self->deactivate;
		2374	$_->clear_links_to ($self) for values %cf::MAP;
		2375	$self->in_memory (cf::MAP_SWAPPED);
		2376
		2377	# then atomically save
		2378	$self->_save;
		2379
		2380	# then free the map
1662	$self->clear;	2381	$self->clear;
1663	$self->in_memory (cf::MAP_SWAPPED);
1664	}	2382	}
1665		2383
1666	sub reset_at {	2384	sub reset_at {
1667	my ($self) = @_;	2385	my ($self) = @_;
1668		2386
1669	# TODO: safety, remove and allow resettable per-player maps	2387	# 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};	2388	return 1e99 if $self->{deny_reset};
1672		2389
1673	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2390	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1674	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2391	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1675		2392
…		…
1686	my ($self) = @_;	2403	my ($self) = @_;
1687		2404
1688	my $lock = cf::lock_acquire "map_data:$self->{path}";	2405	my $lock = cf::lock_acquire "map_data:$self->{path}";
1689		2406
1690	return if $self->players;	2407	return if $self->players;
1691	return if $self->isa ("ext::map_per_player");#d#
1692		2408
1693	warn "resetting map ", $self->path;#d#	2409	cf::trace "resetting map ", $self->path, "\n";
1694		2410
1695	$self->in_memory (cf::MAP_SWAPPED);	2411	$self->in_memory (cf::MAP_SWAPPED);
1696		2412
1697	# need to save uniques path	2413	# need to save uniques path
1698	unless ($self->{deny_save}) {	2414	unless ($self->{deny_save}) {
…		…
1702	if $uniq;	2418	if $uniq;
1703	}	2419	}
1704		2420
1705	delete $cf::MAP{$self->path};	2421	delete $cf::MAP{$self->path};
1706		2422
		2423	$self->deactivate;
		2424	$_->clear_links_to ($self) for values %cf::MAP;
1707	$self->clear;	2425	$self->clear;
1708
1709	$_->clear_links_to ($self) for values %cf::MAP;
1710		2426
1711	$self->unlink_save;	2427	$self->unlink_save;
1712	$self->destroy;	2428	$self->destroy;
1713	}	2429	}
1714		2430
1715	my $nuke_counter = "aaaa";	2431	my $nuke_counter = "aaaa";
1716		2432
1717	sub nuke {	2433	sub nuke {
1718	my ($self) = @_;	2434	my ($self) = @_;
1719		2435
		2436	{
		2437	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2438
1720	delete $cf::MAP{$self->path};	2439	delete $cf::MAP{$self->path};
1721		2440
1722	$self->unlink_save;	2441	$self->unlink_save;
1723		2442
1724	bless $self, "cf::map";	2443	bless $self, "cf::map::wrap";
1725	delete $self->{deny_reset};	2444	delete $self->{deny_reset};
1726	$self->{deny_save} = 1;	2445	$self->{deny_save} = 1;
1727	$self->reset_timeout (1);	2446	$self->reset_timeout (1);
1728	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2447	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1729		2448
1730	$cf::MAP{$self->path} = $self;	2449	$cf::MAP{$self->path} = $self;
		2450	}
1731		2451
1732	$self->reset; # polite request, might not happen	2452	$self->reset; # polite request, might not happen
		2453	}
		2454
		2455	=item $maps = cf::map::tmp_maps
		2456
		2457	Returns an arrayref with all map paths of currently instantiated and saved
		2458	maps. May block.
		2459
		2460	=cut
		2461
		2462	sub tmp_maps() {
		2463	[
		2464	map {
		2465	utf8::decode $_;
		2466	/\.map$/
		2467	? normalise $_
		2468	: ()
		2469	} @{ aio_readdir $TMPDIR or [] }
		2470	]
		2471	}
		2472
		2473	=item $maps = cf::map::random_maps
		2474
		2475	Returns an arrayref with all map paths of currently instantiated and saved
		2476	random maps. May block.
		2477
		2478	=cut
		2479
		2480	sub random_maps() {
		2481	[
		2482	map {
		2483	utf8::decode $_;
		2484	/\.map$/
		2485	? normalise "?random/$_"
		2486	: ()
		2487	} @{ aio_readdir $RANDOMDIR or [] }
		2488	]
1733	}	2489	}
1734		2490
1735	=item cf::map::unique_maps	2491	=item cf::map::unique_maps
1736		2492
1737	Returns an arrayref of paths of all shared maps that have	2493	Returns an arrayref of paths of all shared maps that have
1738	instantiated unique items. May block.	2494	instantiated unique items. May block.
1739		2495
1740	=cut	2496	=cut
1741		2497
1742	sub unique_maps() {	2498	sub unique_maps() {
1743	my $files = aio_readdir $UNIQUEDIR	2499	[
1744	or return;	2500	map {
1745
1746	my @paths;
1747
1748	for (@$files) {
1749	utf8::decode $_;	2501	utf8::decode $_;
1750	next if /\.pst$/;	2502	s/\.map$//; # TODO future compatibility hack
1751	next unless /^$PATH_SEP/o;	2503	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1752		2504	? ()
1753	push @paths, cf::map::normalise $_;	2505	: normalise $_
		2506	} @{ aio_readdir $UNIQUEDIR or [] }
1754	}	2507	]
1755
1756	\@paths
1757	}	2508	}
1758		2509
1759	package cf;	2510	=item cf::map::static_maps
		2511
		2512	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2513	file in the shared directory excluding F</styles> and F</editor>). May
		2514	block.
		2515
		2516	=cut
		2517
		2518	sub static_maps() {
		2519	my @dirs = "";
		2520	my @maps;
		2521
		2522	while (@dirs) {
		2523	my $dir = shift @dirs;
		2524
		2525	next if $dir eq "/styles" || $dir eq "/editor";
		2526
		2527	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2528	or return;
		2529
		2530	for (@$files) {
		2531	s/\.map$// or next;
		2532	utf8::decode $_;
		2533	push @maps, "$dir/$_";
		2534	}
		2535
		2536	push @dirs, map "$dir/$_", @$dirs;
		2537	}
		2538
		2539	\@maps
		2540	}
1760		2541
1761	=back	2542	=back
1762		2543
1763	=head3 cf::object	2544	=head3 cf::object
1764		2545
…		…
1768		2549
1769	=over 4	2550	=over 4
1770		2551
1771	=item $ob->inv_recursive	2552	=item $ob->inv_recursive
1772		2553
1773	Returns the inventory of the object _and_ their inventories, recursively.	2554	Returns the inventory of the object I<and> their inventories, recursively,
		2555	but I<not> the object itself.
1774		2556
1775	=cut	2557	=cut
1776		2558
1777	sub inv_recursive_;	2559	sub inv_recursive_;
1778	sub inv_recursive_ {	2560	sub inv_recursive_ {
…		…
1781		2563
1782	sub inv_recursive {	2564	sub inv_recursive {
1783	inv_recursive_ inv $_[0]	2565	inv_recursive_ inv $_[0]
1784	}	2566	}
1785		2567
		2568	=item $ref = $ob->ref
		2569
		2570	Creates and returns a persistent reference to an object that can be stored as a string.
		2571
		2572	=item $ob = cf::object::deref ($refstring)
		2573
		2574	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2575	even if the object actually exists. May block.
		2576
		2577	=cut
		2578
		2579	sub deref {
		2580	my ($ref) = @_;
		2581
		2582	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2583	my ($uuid, $name) = ($1, $2);
		2584	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2585	or return;
		2586	$pl->ob->uuid eq $uuid
		2587	or return;
		2588
		2589	$pl->ob
		2590	} else {
		2591	warn "$ref: cannot resolve object reference\n";
		2592	undef
		2593	}
		2594	}
		2595
1786	package cf;	2596	package cf;
1787		2597
1788	=back	2598	=back
1789		2599
1790	=head3 cf::object::player	2600	=head3 cf::object::player
…		…
1796	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2606	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	2607	can be C<undef>. Does the right thing when the player is currently in a
1798	dialogue with the given NPC character.	2608	dialogue with the given NPC character.
1799		2609
1800	=cut	2610	=cut
		2611
		2612	our $SAY_CHANNEL = {
		2613	id => "say",
		2614	title => "Map",
		2615	reply => "say ",
		2616	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2617	};
		2618
		2619	our $CHAT_CHANNEL = {
		2620	id => "chat",
		2621	title => "Chat",
		2622	reply => "chat ",
		2623	tooltip => "Player chat and shouts, global to the server.",
		2624	};
1801		2625
1802	# rough implementation of a future "reply" method that works	2626	# rough implementation of a future "reply" method that works
1803	# with dialog boxes.	2627	# with dialog boxes.
1804	#TODO: the first argument must go, split into a $npc->reply_to ( method	2628	#TODO: the first argument must go, split into a $npc->reply_to ( method
1805	sub cf::object::player::reply($$$;$) {	2629	sub cf::object::player::reply($$$;$) {
…		…
1807		2631
1808	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2632	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1809		2633
1810	if ($self->{record_replies}) {	2634	if ($self->{record_replies}) {
1811	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2635	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2636
1812	} else {	2637	} else {
		2638	my $pl = $self->contr;
		2639
		2640	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2641	my $dialog = $pl->{npc_dialog};
		2642	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2643
		2644	} else {
1813	$msg = $npc->name . " says: $msg" if $npc;	2645	$msg = $npc->name . " says: $msg" if $npc;
1814	$self->message ($msg, $flags);	2646	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2647	}
1815	}	2648	}
		2649	}
		2650
		2651	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2652
		2653	=cut
		2654
		2655	sub cf::object::send_msg {
		2656	my $pl = shift->contr
		2657	or return;
		2658	$pl->send_msg (@_);
1816	}	2659	}
1817		2660
1818	=item $player_object->may ("access")	2661	=item $player_object->may ("access")
1819		2662
1820	Returns wether the given player is authorized to access resource "access"	2663	Returns wether the given player is authorized to access resource "access"
…		…
1833		2676
1834	=item $player_object->enter_link	2677	=item $player_object->enter_link
1835		2678
1836	Freezes the player and moves him/her to a special map (C<{link}>).	2679	Freezes the player and moves him/her to a special map (C<{link}>).
1837		2680
1838	The player should be reasonably safe there for short amounts of time. You	2681	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.	2682	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2683	though, as the player cannot control the character while it is on the link
		2684	map.
1840		2685
1841	Will never block.	2686	Will never block.
1842		2687
1843	=item $player_object->leave_link ($map, $x, $y)	2688	=item $player_object->leave_link ($map, $x, $y)
1844		2689
…		…
1864	sub cf::object::player::enter_link {	2709	sub cf::object::player::enter_link {
1865	my ($self) = @_;	2710	my ($self) = @_;
1866		2711
1867	$self->deactivate_recursive;	2712	$self->deactivate_recursive;
1868		2713
		2714	++$self->{_link_recursion};
		2715
1869	return if UNIVERSAL::isa $self->map, "ext::map_link";	2716	return if UNIVERSAL::isa $self->map, "ext::map_link";
1870		2717
1871	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2718	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1872	if $self->map;	2719	if $self->map && $self->map->{path} ne "{link}";
1873		2720
1874	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2721	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1875	}	2722	}
1876		2723
1877	sub cf::object::player::leave_link {	2724	sub cf::object::player::leave_link {
1878	my ($self, $map, $x, $y) = @_;	2725	my ($self, $map, $x, $y) = @_;
		2726
		2727	return unless $self->contr->active;
1879		2728
1880	my $link_pos = delete $self->{_link_pos};	2729	my $link_pos = delete $self->{_link_pos};
1881		2730
1882	unless ($map) {	2731	unless ($map) {
1883	# restore original map position	2732	# restore original map position
…		…
1894	($x, $y) = (-1, -1)	2743	($x, $y) = (-1, -1)
1895	unless (defined $x) && (defined $y);	2744	unless (defined $x) && (defined $y);
1896		2745
1897	# use -1 or undef as default coordinates, not 0, 0	2746	# use -1 or undef as default coordinates, not 0, 0
1898	($x, $y) = ($map->enter_x, $map->enter_y)	2747	($x, $y) = ($map->enter_x, $map->enter_y)
1899	if $x <=0 && $y <= 0;	2748	if $x <= 0 && $y <= 0;
1900		2749
1901	$map->load;	2750	$map->load;
1902	$map->load_diag;	2751	$map->load_neighbours;
1903		2752
1904	return unless $self->contr->active;	2753	return unless $self->contr->active;
1905	$self->activate_recursive;
1906		2754
1907	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2755	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1908	$self->enter_map ($map, $x, $y);	2756	if ($self->enter_map ($map, $x, $y)) {
1909	}	2757	# entering was successful
1910		2758	delete $self->{_link_recursion};
1911	cf::player->attach (	2759	# only activate afterwards, to support waiting in hooks
1912	on_logout => sub {	2760	$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	},	2761	}
1922	on_login => sub {
1923	my ($pl) = @_;
1924		2762
1925	# try to abort aborted map switching on player login :)	2763	}
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		2764
1943	=item $player_object->goto ($path, $x, $y)	2765	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1944		2766
		2767	Moves the player to the given map-path and coordinates by first freezing
		2768	her, loading and preparing them map, calling the provided $check callback
		2769	that has to return the map if sucecssful, and then unfreezes the player on
		2770	the new (success) or old (failed) map position. In either case, $done will
		2771	be called at the end of this process.
		2772
		2773	Note that $check will be called with a potentially non-loaded map, so if
		2774	it needs a loaded map it has to call C<< ->load >>.
		2775
1945	=cut	2776	=cut
		2777
		2778	our $GOTOGEN;
1946		2779
1947	sub cf::object::player::goto {	2780	sub cf::object::player::goto {
1948	my ($self, $path, $x, $y) = @_;	2781	my ($self, $path, $x, $y, $check, $done) = @_;
		2782
		2783	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2784	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2785	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2786	($path, $x, $y) = @$EMERGENCY_POSITION;
		2787	}
		2788
		2789	# do generation counting so two concurrent goto's will be executed in-order
		2790	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1949		2791
1950	$self->enter_link;	2792	$self->enter_link;
1951		2793
1952	(async {	2794	(async {
		2795	$Coro::current->{desc} = "player::goto $path $x $y";
		2796
		2797	# *tag paths override both path and x|y
		2798	if ($path =~ /^\*(.*)$/) {
		2799	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2800	my $ob = $obs[rand @obs];
		2801
		2802	# see if we actually can go there
		2803	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2804	$ob = $obs[rand @obs];
		2805	} else {
		2806	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2807	}
		2808	# else put us there anyways for now #d#
		2809
		2810	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2811	} else {
		2812	($path, $x, $y) = (undef, undef, undef);
		2813	}
		2814	}
		2815
1953	my $map = eval {	2816	my $map = eval {
1954	my $map = cf::map::find $path;	2817	my $map = defined $path ? cf::map::find $path : undef;
		2818
		2819	if ($map) {
1955	$map = $map->customise_for ($self) if $map;	2820	$map = $map->customise_for ($self);
		2821	$map = $check->($map, $x, $y, $self) if $check && $map;
		2822	} else {
		2823	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2824	}
		2825
1956	$map	2826	$map
		2827	};
		2828
		2829	if ($@) {
		2830	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2831	LOG llevError | logBacktrace, Carp::longmess $@;
1957	} or	2832	}
1958	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1959		2833
		2834	if ($gen == $self->{_goto_generation}) {
		2835	delete $self->{_goto_generation};
1960	$self->leave_link ($map, $x, $y);	2836	$self->leave_link ($map, $x, $y);
		2837	}
		2838
		2839	$done->($self) if $done;
1961	})->prio (1);	2840	})->prio (1);
1962	}	2841	}
1963		2842
1964	=item $player_object->enter_exit ($exit_object)	2843	=item $player_object->enter_exit ($exit_object)
1965		2844
…		…
1985	}	2864	}
1986		2865
1987	sub prepare_random_map {	2866	sub prepare_random_map {
1988	my ($exit) = @_;	2867	my ($exit) = @_;
1989		2868
1990	my $guard = cf::lock_acquire "exit_prepare:$exit";
1991
1992	# all this does is basically replace the /! path by	2869	# all this does is basically replace the /! path by
1993	# a new random map path (?random/...) with a seed	2870	# a new random map path (?random/...) with a seed
1994	# that depends on the exit object	2871	# that depends on the exit object
1995		2872
1996	my $rmp = parse_random_map_params $exit->msg;	2873	my $rmp = parse_random_map_params $exit->msg;
…		…
1998	if ($exit->map) {	2875	if ($exit->map) {
1999	$rmp->{region} = $exit->region->name;	2876	$rmp->{region} = $exit->region->name;
2000	$rmp->{origin_map} = $exit->map->path;	2877	$rmp->{origin_map} = $exit->map->path;
2001	$rmp->{origin_x} = $exit->x;	2878	$rmp->{origin_x} = $exit->x;
2002	$rmp->{origin_y} = $exit->y;	2879	$rmp->{origin_y} = $exit->y;
		2880
		2881	$exit->map->touch;
2003	}	2882	}
2004		2883
2005	$rmp->{random_seed} ||= $exit->random_seed;	2884	$rmp->{random_seed} ||= $exit->random_seed;
2006		2885
2007	my $data = cf::to_json $rmp;	2886	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2008	my $md5 = Digest::MD5::md5_hex $data;	2887	my $md5 = Digest::MD5::md5_hex $data;
2009	my $meta = "$RANDOMDIR/$md5.meta";	2888	my $meta = "$RANDOMDIR/$md5.meta";
2010		2889
2011	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2890	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2012	aio_write $fh, 0, (length $data), $data, 0;	2891	aio_write $fh, 0, (length $data), $data, 0;
2013	undef $fh;	2892	undef $fh;
2014	aio_rename "$meta~", $meta;	2893	aio_rename "$meta~", $meta;
2015		2894
		2895	my $slaying = "?random/$md5";
		2896
		2897	if ($exit->valid) {
2016	$exit->slaying ("?random/$md5");	2898	$exit->slaying ("?random/$md5");
2017	$exit->msg (undef);	2899	$exit->msg (undef);
		2900	}
2018	}	2901	}
2019	}	2902	}
2020		2903
2021	sub cf::object::player::enter_exit {	2904	sub cf::object::player::enter_exit {
2022	my ($self, $exit) = @_;	2905	my ($self, $exit) = @_;
2023		2906
2024	return unless $self->type == cf::PLAYER;	2907	return unless $self->type == cf::PLAYER;
2025		2908
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;	2909	$self->enter_link;
2038		2910
2039	(async {	2911	(async {
2040	$self->deactivate_recursive; # just to be sure	2912	$Coro::current->{desc} = "enter_exit";
		2913
2041	unless (eval {	2914	unless (eval {
		2915	$self->deactivate_recursive; # just to be sure
		2916
		2917	# random map handling
		2918	{
		2919	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2920
		2921	prepare_random_map $exit
		2922	if $exit->slaying eq "/!";
		2923	}
		2924
		2925	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2926	my $x = $exit->stats->hp;
		2927	my $y = $exit->stats->sp;
		2928
2042	$self->goto ($slaying, $hp, $sp);	2929	$self->goto ($map, $x, $y);
2043		2930
		2931	# if exit is damned, update players death & WoR home-position
		2932	$self->contr->savebed ($map, $x, $y)
		2933	if $exit->flag (cf::FLAG_DAMNED);
		2934
2044	1;	2935	1
2045	}) {	2936	}) {
2046	$self->message ("Something went wrong deep within the crossfire server. "	2937	$self->message ("Something went wrong deep within the deliantra server. "
2047	. "I'll try to bring you back to the map you were before. "	2938	. "I'll try to bring you back to the map you were before. "
2048	. "Please report this to the dungeon master!",	2939	. "Please report this to the dungeon master!",
2049	cf::NDI_UNIQUE | cf::NDI_RED);	2940	cf::NDI_UNIQUE | cf::NDI_RED);
2050		2941
2051	warn "ERROR in enter_exit: $@";	2942	error "ERROR in enter_exit: $@";
2052	$self->leave_link;	2943	$self->leave_link;
2053	}	2944	}
2054	})->prio (1);	2945	})->prio (1);
2055	}	2946	}
2056		2947
…		…
2070		2961
2071	utf8::encode $text;	2962	utf8::encode $text;
2072	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2963	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2073	}	2964	}
2074		2965
		2966	=item $client->send_big_packet ($pkt)
		2967
		2968	Like C<send_packet>, but tries to compress large packets, and fragments
		2969	them as required.
		2970
		2971	=cut
		2972
		2973	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2974
		2975	sub cf::client::send_big_packet {
		2976	my ($self, $pkt) = @_;
		2977
		2978	# try lzf for large packets
		2979	$pkt = "lzf " . Compress::LZF::compress $pkt
		2980	if 1024 <= length $pkt and $self->{can_lzf};
		2981
		2982	# split very large packets
		2983	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2984	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2985	$pkt = "frag";
		2986	}
		2987
		2988	$self->send_packet ($pkt);
		2989	}
		2990
		2991	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2992
		2993	Send a drawinfo or msg packet to the client, formatting the msg for the
		2994	client if neccessary. C<$type> should be a string identifying the type of
		2995	the message, with C<log> being the default. If C<$color> is negative, suppress
		2996	the message unless the client supports the msg packet.
		2997
		2998	=cut
		2999
		3000	# non-persistent channels (usually the info channel)
		3001	our %CHANNEL = (
		3002	"c/motd" => {
		3003	id => "infobox",
		3004	title => "MOTD",
		3005	reply => undef,
		3006	tooltip => "The message of the day",
		3007	},
		3008	"c/identify" => {
		3009	id => "infobox",
		3010	title => "Identify",
		3011	reply => undef,
		3012	tooltip => "Items recently identified",
		3013	},
		3014	"c/examine" => {
		3015	id => "infobox",
		3016	title => "Examine",
		3017	reply => undef,
		3018	tooltip => "Signs and other items you examined",
		3019	},
		3020	"c/shopinfo" => {
		3021	id => "infobox",
		3022	title => "Shop Info",
		3023	reply => undef,
		3024	tooltip => "What your bargaining skill tells you about the shop",
		3025	},
		3026	"c/book" => {
		3027	id => "infobox",
		3028	title => "Book",
		3029	reply => undef,
		3030	tooltip => "The contents of a note or book",
		3031	},
		3032	"c/lookat" => {
		3033	id => "infobox",
		3034	title => "Look",
		3035	reply => undef,
		3036	tooltip => "What you saw there",
		3037	},
		3038	"c/who" => {
		3039	id => "infobox",
		3040	title => "Players",
		3041	reply => undef,
		3042	tooltip => "Shows players who are currently online",
		3043	},
		3044	"c/body" => {
		3045	id => "infobox",
		3046	title => "Body Parts",
		3047	reply => undef,
		3048	tooltip => "Shows which body parts you posess and are available",
		3049	},
		3050	"c/statistics" => {
		3051	id => "infobox",
		3052	title => "Statistics",
		3053	reply => undef,
		3054	tooltip => "Shows your primary statistics",
		3055	},
		3056	"c/skills" => {
		3057	id => "infobox",
		3058	title => "Skills",
		3059	reply => undef,
		3060	tooltip => "Shows your experience per skill and item power",
		3061	},
		3062	"c/shopitems" => {
		3063	id => "infobox",
		3064	title => "Shop Items",
		3065	reply => undef,
		3066	tooltip => "Shows the items currently for sale in this shop",
		3067	},
		3068	"c/resistances" => {
		3069	id => "infobox",
		3070	title => "Resistances",
		3071	reply => undef,
		3072	tooltip => "Shows your resistances",
		3073	},
		3074	"c/pets" => {
		3075	id => "infobox",
		3076	title => "Pets",
		3077	reply => undef,
		3078	tooltip => "Shows information abotu your pets/a specific pet",
		3079	},
		3080	"c/perceiveself" => {
		3081	id => "infobox",
		3082	title => "Perceive Self",
		3083	reply => undef,
		3084	tooltip => "You gained detailed knowledge about yourself",
		3085	},
		3086	"c/uptime" => {
		3087	id => "infobox",
		3088	title => "Uptime",
		3089	reply => undef,
		3090	tooltip => "How long the server has been running since last restart",
		3091	},
		3092	"c/mapinfo" => {
		3093	id => "infobox",
		3094	title => "Map Info",
		3095	reply => undef,
		3096	tooltip => "Information related to the maps",
		3097	},
		3098	"c/party" => {
		3099	id => "party",
		3100	title => "Party",
		3101	reply => "gsay ",
		3102	tooltip => "Messages and chat related to your party",
		3103	},
		3104	"c/death" => {
		3105	id => "death",
		3106	title => "Death",
		3107	reply => undef,
		3108	tooltip => "Reason for and more info about your most recent death",
		3109	},
		3110	"c/say" => $SAY_CHANNEL,
		3111	"c/chat" => $CHAT_CHANNEL,
		3112	);
		3113
		3114	sub cf::client::send_msg {
		3115	my ($self, $channel, $msg, $color, @extra) = @_;
		3116
		3117	$msg = $self->pl->expand_cfpod ($msg)
		3118	unless $color & cf::NDI_VERBATIM;
		3119
		3120	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3121
		3122	# check predefined channels, for the benefit of C
		3123	if ($CHANNEL{$channel}) {
		3124	$channel = $CHANNEL{$channel};
		3125
		3126	$self->ext_msg (channel_info => $channel);
		3127	$channel = $channel->{id};
		3128
		3129	} elsif (ref $channel) {
		3130	# send meta info to client, if not yet sent
		3131	unless (exists $self->{channel}{$channel->{id}}) {
		3132	$self->{channel}{$channel->{id}} = $channel;
		3133	$self->ext_msg (channel_info => $channel);
		3134	}
		3135
		3136	$channel = $channel->{id};
		3137	}
		3138
		3139	return unless @extra || length $msg;
		3140
		3141	# default colour, mask it out
		3142	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3143	if $color & cf::NDI_DEF;
		3144
		3145	my $pkt = "msg "
		3146	. $self->{json_coder}->encode (
		3147	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3148	);
		3149
		3150	$self->send_big_packet ($pkt);
		3151	}
		3152
2075	=item $client->ext_event ($type, %msg)	3153	=item $client->ext_msg ($type, @msg)
2076		3154
2077	Sends an exti event to the client.	3155	Sends an ext event to the client.
2078		3156
2079	=cut	3157	=cut
2080		3158
2081	sub cf::client::ext_event($$%) {	3159	sub cf::client::ext_msg($$@) {
2082	my ($self, $type, %msg) = @_;	3160	my ($self, $type, @msg) = @_;
2083		3161
		3162	if ($self->extcmd == 2) {
		3163	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3164	} elsif ($self->extcmd == 1) { # TODO: remove
2084	$msg{msgtype} = "event_$type";	3165	push @msg, msgtype => "event_$type";
2085	$self->send_packet ("ext " . cf::to_json \%msg);	3166	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3167	}
		3168	}
		3169
		3170	=item $client->ext_reply ($msgid, @msg)
		3171
		3172	Sends an ext reply to the client.
		3173
		3174	=cut
		3175
		3176	sub cf::client::ext_reply($$@) {
		3177	my ($self, $id, @msg) = @_;
		3178
		3179	if ($self->extcmd == 2) {
		3180	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3181	} elsif ($self->extcmd == 1) {
		3182	#TODO: version 1, remove
		3183	unshift @msg, msgtype => "reply", msgid => $id;
		3184	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3185	}
2086	}	3186	}
2087		3187
2088	=item $success = $client->query ($flags, "text", \&cb)	3188	=item $success = $client->query ($flags, "text", \&cb)
2089		3189
2090	Queues a query to the client, calling the given callback with	3190	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>,	3191	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>.	3192	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2093		3193
2094	Queries can fail, so check the return code. Or don't, as queries will become	3194	Queries can fail, so check the return code. Or don't, as queries will
2095	reliable at some point in the future.	3195	become reliable at some point in the future.
2096		3196
2097	=cut	3197	=cut
2098		3198
2099	sub cf::client::query {	3199	sub cf::client::query {
2100	my ($self, $flags, $text, $cb) = @_;	3200	my ($self, $flags, $text, $cb) = @_;
…		…
2108	utf8::encode $text;	3208	utf8::encode $text;
2109	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3209	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2110		3210
2111	$self->send_packet ($self->{query_queue}[0][0])	3211	$self->send_packet ($self->{query_queue}[0][0])
2112	if @{ $self->{query_queue} } == 1;	3212	if @{ $self->{query_queue} } == 1;
		3213
		3214	1
2113	}	3215	}
2114		3216
2115	cf::client->attach (	3217	cf::client->attach (
		3218	on_connect => sub {
		3219	my ($ns) = @_;
		3220
		3221	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3222	},
2116	on_reply => sub {	3223	on_reply => sub {
2117	my ($ns, $msg) = @_;	3224	my ($ns, $msg) = @_;
2118		3225
2119	# this weird shuffling is so that direct followup queries	3226	# this weird shuffling is so that direct followup queries
2120	# get handled first	3227	# get handled first
…		…
2132	} else {	3239	} else {
2133	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3240	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2134	}	3241	}
2135	}	3242	}
2136	},	3243	},
		3244	on_exticmd => sub {
		3245	my ($ns, $buf) = @_;
		3246
		3247	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3248
		3249	if (ref $msg) {
		3250	my ($type, $reply, @payload) =
		3251	"ARRAY" eq ref $msg
		3252	? @$msg
		3253	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3254
		3255	my @reply;
		3256
		3257	if (my $cb = $EXTICMD{$type}) {
		3258	@reply = $cb->($ns, @payload);
		3259	}
		3260
		3261	$ns->ext_reply ($reply, @reply)
		3262	if $reply;
		3263
		3264	} else {
		3265	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3266	}
		3267
		3268	cf::override;
		3269	},
2137	);	3270	);
2138		3271
2139	=item $client->async (\&cb)	3272	=item $client->async (\&cb)
2140		3273
2141	Create a new coroutine, running the specified callback. The coroutine will	3274	Create a new coroutine, running the specified callback. The coroutine will
…		…
2157		3290
2158	$coro	3291	$coro
2159	}	3292	}
2160		3293
2161	cf::client->attach (	3294	cf::client->attach (
2162	on_destroy => sub {	3295	on_client_destroy => sub {
2163	my ($ns) = @_;	3296	my ($ns) = @_;
2164		3297
2165	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3298	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2166	},	3299	},
2167	);	3300	);
…		…
2182	our $safe = new Safe "safe";	3315	our $safe = new Safe "safe";
2183	our $safe_hole = new Safe::Hole;	3316	our $safe_hole = new Safe::Hole;
2184		3317
2185	$SIG{FPE} = 'IGNORE';	3318	$SIG{FPE} = 'IGNORE';
2186		3319
2187	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3320	$safe->permit_only (Opcode::opset qw(
		3321	:base_core :base_mem :base_orig :base_math :base_loop
		3322	grepstart grepwhile mapstart mapwhile
		3323	sort time
		3324	));
2188		3325
2189	# here we export the classes and methods available to script code	3326	# here we export the classes and methods available to script code
2190		3327
2191	=pod	3328	=pod
2192		3329
2193	The following functions and methods are available within a safe environment:	3330	The following functions and methods are available within a safe environment:
2194		3331
2195	cf::object contr pay_amount pay_player map	3332	cf::object
		3333	contr pay_amount pay_player map x y force_find force_add destroy
		3334	insert remove name archname title slaying race decrease split
		3335	value
		3336
2196	cf::object::player player	3337	cf::object::player
2197	cf::player peaceful	3338	player
2198	cf::map trigger	3339
		3340	cf::player
		3341	peaceful
		3342
		3343	cf::map
		3344	trigger
2199		3345
2200	=cut	3346	=cut
2201		3347
2202	for (	3348	for (
2203	["cf::object" => qw(contr pay_amount pay_player map)],	3349	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3350	insert remove inv nrof name archname title slaying race
		3351	decrease split destroy change_exp value msg lore send_msg)],
2204	["cf::object::player" => qw(player)],	3352	["cf::object::player" => qw(player)],
2205	["cf::player" => qw(peaceful)],	3353	["cf::player" => qw(peaceful send_msg)],
2206	["cf::map" => qw(trigger)],	3354	["cf::map" => qw(trigger)],
2207	) {	3355	) {
2208	no strict 'refs';
2209	my ($pkg, @funs) = @$_;	3356	my ($pkg, @funs) = @$_;
2210	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3357	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2211	for @funs;	3358	for @funs;
2212	}	3359	}
2213		3360
…		…
2228		3375
2229	my $qcode = $code;	3376	my $qcode = $code;
2230	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3377	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2231	$qcode =~ s/\n/\\n/g;	3378	$qcode =~ s/\n/\\n/g;
2232		3379
		3380	%vars = (_dummy => 0) unless %vars;
		3381
		3382	my @res;
2233	local $_;	3383	local $_;
2234	local @safe::cf::_safe_eval_args = values %vars;
2235		3384
2236	my $eval =	3385	my $eval =
2237	"do {\n"	3386	"do {\n"
2238	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3387	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2239	. "#line 0 \"{$qcode}\"\n"	3388	. "#line 0 \"{$qcode}\"\n"
2240	. $code	3389	. $code
2241	. "\n}"	3390	. "\n}"
2242	;	3391	;
2243		3392
		3393	if ($CFG{safe_eval}) {
2244	sub_generation_inc;	3394	sub_generation_inc;
		3395	local @safe::cf::_safe_eval_args = values %vars;
2245	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3396	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2246	sub_generation_inc;	3397	sub_generation_inc;
		3398	} else {
		3399	local @cf::_safe_eval_args = values %vars;
		3400	@res = wantarray ? eval eval : scalar eval $eval;
		3401	}
2247		3402
2248	if ($@) {	3403	if ($@) {
2249	warn "$@";	3404	warn "$@",
2250	warn "while executing safe code '$code'\n";	3405	"while executing safe code '$code'\n",
2251	warn "with arguments " . (join " ", %vars) . "\n";	3406	"with arguments " . (join " ", %vars) . "\n";
2252	}	3407	}
2253		3408
2254	wantarray ? @res : $res[0]	3409	wantarray ? @res : $res[0]
2255	}	3410	}
2256		3411
…		…
2270	=cut	3425	=cut
2271		3426
2272	sub register_script_function {	3427	sub register_script_function {
2273	my ($fun, $cb) = @_;	3428	my ($fun, $cb) = @_;
2274		3429
2275	no strict 'refs';	3430	$fun = "safe::$fun" if $CFG{safe_eval};
2276	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3431	*$fun = $safe_hole->wrap ($cb);
2277	}	3432	}
2278		3433
2279	=back	3434	=back
2280		3435
2281	=cut	3436	=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	reset_signals;
2441	local $SIG{__WARN__};
2442	local $SIG{__DIE__};
2443	eval {
2444	close $fh1;
2445
2446	my @res = eval { $cb->(@args) };
2447	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2448	};
2449
2450	warn $@ if $@;
2451	_exit 0;
2452	}
2453	}
2454
2455
2456		3437
2457	#############################################################################	3438	#############################################################################
2458	# the server's init and main functions	3439	# the server's init and main functions
2459		3440
2460	sub load_facedata($) {	3441	sub load_facedata($) {
2461	my ($path) = @_;	3442	my ($path) = @_;
2462		3443
		3444	# HACK to clear player env face cache, we need some signal framework
		3445	# for this (global event?)
		3446	%ext::player_env::MUSIC_FACE_CACHE = ();
		3447
		3448	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3449
2463	warn "loading facedata from $path\n";	3450	trace "loading facedata from $path\n";
2464		3451
2465	my $facedata;	3452	my $facedata = decode_storable load_file $path;
2466	0 < aio_load $path, $facedata
2467	or die "$path: $!";
2468
2469	$facedata = Coro::Storable::thaw $facedata;
2470		3453
2471	$facedata->{version} == 2	3454	$facedata->{version} == 2
2472	or cf::cleanup "$path: version mismatch, cannot proceed.";	3455	or cf::cleanup "$path: version mismatch, cannot proceed.";
2473		3456
		3457	# patch in the exptable
		3458	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3459	$facedata->{resource}{"res/exp_table"} = {
		3460	type => FT_RSRC,
		3461	data => $exp_table,
		3462	hash => (Digest::MD5::md5 $exp_table),
		3463	};
		3464	cf::cede_to_tick;
		3465
2474	{	3466	{
2475	my $faces = $facedata->{faceinfo};	3467	my $faces = $facedata->{faceinfo};
2476		3468
2477	while (my ($face, $info) = each %$faces) {	3469	while (my ($face, $info) = each %$faces) {
2478	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3470	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3471
2479	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3472	cf::face::set_visibility $idx, $info->{visibility};
		3473	cf::face::set_magicmap $idx, $info->{magicmap};
2480	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3474	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2481	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3475	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2482	Coro::cede;	3476	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3477
		3478	cf::cede_to_tick;
2483	}	3479	}
2484		3480
2485	while (my ($face, $info) = each %$faces) {	3481	while (my ($face, $info) = each %$faces) {
2486	next unless $info->{smooth};	3482	next unless $info->{smooth};
		3483
2487	my $idx = cf::face::find $face	3484	my $idx = cf::face::find $face
2488	or next;	3485	or next;
		3486
2489	if (my $smooth = cf::face::find $info->{smooth}) {	3487	if (my $smooth = cf::face::find $info->{smooth}) {
		3488	cf::face::set_smooth $idx, $smooth;
2490	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3489	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2491	} else {	3490	} else {
2492	warn "smooth face '$info->{smooth}' not found for face '$face'";	3491	error "smooth face '$info->{smooth}' not found for face '$face'";
2493	}	3492	}
2494	Coro::cede;	3493
		3494	cf::cede_to_tick;
2495	}	3495	}
2496	}	3496	}
2497		3497
2498	{	3498	{
2499	my $anims = $facedata->{animinfo};	3499	my $anims = $facedata->{animinfo};
2500		3500
2501	while (my ($anim, $info) = each %$anims) {	3501	while (my ($anim, $info) = each %$anims) {
2502	cf::anim::set $anim, $info->{frames}, $info->{facings};	3502	cf::anim::set $anim, $info->{frames}, $info->{facings};
2503	Coro::cede;	3503	cf::cede_to_tick;
2504	}	3504	}
2505		3505
2506	cf::anim::invalidate_all; # d'oh	3506	cf::anim::invalidate_all; # d'oh
2507	}	3507	}
2508		3508
		3509	{
		3510	my $res = $facedata->{resource};
		3511
		3512	while (my ($name, $info) = each %$res) {
		3513	if (defined $info->{type}) {
		3514	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3515
		3516	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3517	cf::face::set_type $idx, $info->{type};
		3518	} else {
		3519	$RESOURCE{$name} = $info; # unused
		3520	}
		3521
		3522	cf::cede_to_tick;
		3523	}
		3524	}
		3525
		3526	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3527
2509	1	3528	1
2510	}	3529	}
2511		3530
		3531	register_exticmd fx_want => sub {
		3532	my ($ns, $want) = @_;
		3533
		3534	while (my ($k, $v) = each %$want) {
		3535	$ns->fx_want ($k, $v);
		3536	}
		3537	};
		3538
		3539	sub load_resource_file($) {
		3540	my $guard = lock_acquire "load_resource_file";
		3541
		3542	my $status = load_resource_file_ $_[0];
		3543	get_slot 0.1, 100;
		3544	cf::arch::commit_load;
		3545
		3546	$status
		3547	}
		3548
2512	sub reload_regions {	3549	sub reload_regions {
		3550	# HACK to clear player env face cache, we need some signal framework
		3551	# for this (global event?)
		3552	%ext::player_env::MUSIC_FACE_CACHE = ();
		3553
2513	load_resource_file "$MAPDIR/regions"	3554	load_resource_file "$MAPDIR/regions"
2514	or die "unable to load regions file\n";	3555	or die "unable to load regions file\n";
		3556
		3557	for (cf::region::list) {
		3558	$_->{match} = qr/$_->{match}/
		3559	if exists $_->{match};
		3560	}
2515	}	3561	}
2516		3562
2517	sub reload_facedata {	3563	sub reload_facedata {
2518	load_facedata "$DATADIR/facedata"	3564	load_facedata "$DATADIR/facedata"
2519	or die "unable to load facedata\n";	3565	or die "unable to load facedata\n";
…		…
2527	sub reload_treasures {	3573	sub reload_treasures {
2528	load_resource_file "$DATADIR/treasures"	3574	load_resource_file "$DATADIR/treasures"
2529	or die "unable to load treasurelists\n";	3575	or die "unable to load treasurelists\n";
2530	}	3576	}
2531		3577
		3578	sub reload_sound {
		3579	trace "loading sound config from $DATADIR/sound\n";
		3580
		3581	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3582
		3583	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3584	my $sound = $soundconf->{compat}[$_]
		3585	or next;
		3586
		3587	my $face = cf::face::find "sound/$sound->[1]";
		3588	cf::sound::set $sound->[0] => $face;
		3589	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3590	}
		3591
		3592	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3593	my $face = cf::face::find "sound/$v";
		3594	cf::sound::set $k => $face;
		3595	}
		3596	}
		3597
2532	sub reload_resources {	3598	sub reload_resources {
2533	warn "reloading resource files...\n";	3599	trace "reloading resource files...\n";
2534		3600
		3601	reload_exp_table;
		3602	reload_materials;
		3603	reload_facedata;
		3604	reload_sound;
		3605	reload_archetypes;
2535	reload_regions;	3606	reload_regions;
2536	reload_facedata;
2537	reload_archetypes;
2538	reload_treasures;	3607	reload_treasures;
2539		3608
2540	warn "finished reloading resource files\n";	3609	trace "finished reloading resource files\n";
2541	}	3610	}
2542		3611
2543	sub init {	3612	sub reload_config {
2544	reload_resources;	3613	trace "reloading config file...\n";
2545	}
2546		3614
2547	sub cfg_load {	3615	my $config = load_file "$CONFDIR/config";
2548	open my $fh, "<:utf8", "$CONFDIR/config"	3616	utf8::decode $config;
2549	or return;	3617	*CFG = decode_yaml $config;
2550		3618
2551	local $/;
2552	*CFG = YAML::Syck::Load <$fh>;
2553
2554	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3619	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2555		3620
2556	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3621	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2557	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3622	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2558		3623
2559	if (exists $CFG{mlockall}) {	3624	if (exists $CFG{mlockall}) {
…		…
2563	};	3628	};
2564	warn $@ if $@;	3629	warn $@ if $@;
2565	}	3630	}
2566	}	3631	}
2567		3632
		3633	sub pidfile() {
		3634	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3635	or die "$PIDFILE: $!";
		3636	flock $fh, &Fcntl::LOCK_EX
		3637	or die "$PIDFILE: flock: $!";
		3638	$fh
		3639	}
		3640
		3641	# make sure only one server instance is running at any one time
		3642	sub atomic {
		3643	my $fh = pidfile;
		3644
		3645	my $pid = <$fh>;
		3646	kill 9, $pid if $pid > 0;
		3647
		3648	seek $fh, 0, 0;
		3649	print $fh $$;
		3650	}
		3651
		3652	sub main_loop {
		3653	trace "EV::loop starting\n";
		3654	if (1) {
		3655	EV::loop;
		3656	}
		3657	trace "EV::loop returned\n";
		3658	goto &main_loop unless $REALLY_UNLOOP;
		3659	}
		3660
2568	sub main {	3661	sub main {
		3662	cf::init_globals; # initialise logging
		3663
		3664	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3665	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3666	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3667	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3668
		3669	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3670
2569	# we must not ever block the main coroutine	3671	# we must not ever block the main coroutine
2570	local $Coro::idle = sub {	3672	local $Coro::idle = sub {
2571	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3673	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2572	(async {	3674	(async {
2573	Event::one_event;	3675	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3676	EV::loop EV::LOOP_ONESHOT;
2574	})->prio (Coro::PRIO_MAX);	3677	})->prio (Coro::PRIO_MAX);
2575	};	3678	};
2576		3679
2577	cfg_load;	3680	evthread_start IO::AIO::poll_fileno;
		3681
		3682	cf::sync_job {
		3683	cf::incloader::init ();
		3684
		3685	cf::init_anim;
		3686	cf::init_attackmess;
		3687	cf::init_dynamic;
		3688
		3689	cf::load_settings;
		3690
		3691	reload_resources;
		3692	reload_config;
2578	db_init;	3693	db_init;
		3694
		3695	cf::init_uuid;
		3696	cf::init_signals;
		3697	cf::init_skills;
		3698
		3699	cf::init_beforeplay;
		3700
		3701	atomic;
		3702
2579	load_extensions;	3703	load_extensions;
2580		3704
2581	$TICK_WATCHER->start;	3705	utime time, time, $RUNTIMEFILE;
2582	Event::loop;	3706
		3707	# no (long-running) fork's whatsoever before this point(!)
		3708	use POSIX ();
		3709	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3710
		3711	cf::_post_init 0;
		3712	};
		3713
		3714	cf::object::thawer::errors_are_fatal 0;
		3715	info "parse errors in files are no longer fatal from this point on.\n";
		3716
		3717	my $free_main; $free_main = EV::idle sub {
		3718	undef $free_main;
		3719	undef &main; # free gobs of memory :)
		3720	};
		3721
		3722	goto &main_loop;
2583	}	3723	}
2584		3724
2585	#############################################################################	3725	#############################################################################
2586	# initialisation and cleanup	3726	# initialisation and cleanup
2587		3727
2588	# install some emergency cleanup handlers	3728	# install some emergency cleanup handlers
2589	BEGIN {	3729	BEGIN {
		3730	our %SIGWATCHER = ();
2590	for my $signal (qw(INT HUP TERM)) {	3731	for my $signal (qw(INT HUP TERM)) {
2591	Event->signal (	3732	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2592	reentrant => 0,
2593	data => WF_AUTOCANCEL,
2594	signal => $signal,
2595	prio => 0,
2596	cb => sub {
2597	cf::cleanup "SIG$signal";	3733	cf::cleanup "SIG$signal";
2598	},
2599	);	3734	};
		3735	}
		3736	}
		3737
		3738	sub write_runtime_sync {
		3739	my $t0 = AE::time;
		3740
		3741	# first touch the runtime file to show we are still running:
		3742	# the fsync below can take a very very long time.
		3743
		3744	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3745
		3746	my $guard = cf::lock_acquire "write_runtime";
		3747
		3748	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3749	or return;
		3750
		3751	my $value = $cf::RUNTIME + 90 + 10;
		3752	# 10 is the runtime save interval, for a monotonic clock
		3753	# 60 allows for the watchdog to kill the server.
		3754
		3755	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3756	and return;
		3757
		3758	# always fsync - this file is important
		3759	aio_fsync $fh
		3760	and return;
		3761
		3762	# touch it again to show we are up-to-date
		3763	aio_utime $fh, undef, undef;
		3764
		3765	close $fh
		3766	or return;
		3767
		3768	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3769	and return;
		3770
		3771	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3772
2600	}	3773	1
		3774	}
		3775
		3776	our $uuid_lock;
		3777	our $uuid_skip;
		3778
		3779	sub write_uuid_sync($) {
		3780	$uuid_skip ||= $_[0];
		3781
		3782	return if $uuid_lock;
		3783	local $uuid_lock = 1;
		3784
		3785	my $uuid = "$LOCALDIR/uuid";
		3786
		3787	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3788	or return;
		3789
		3790	my $value = uuid_seq uuid_cur;
		3791
		3792	unless ($value) {
		3793	info "cowardly refusing to write zero uuid value!\n";
		3794	return;
		3795	}
		3796
		3797	my $value = uuid_str $value + $uuid_skip;
		3798	$uuid_skip = 0;
		3799
		3800	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3801	and return;
		3802
		3803	# always fsync - this file is important
		3804	aio_fsync $fh
		3805	and return;
		3806
		3807	close $fh
		3808	or return;
		3809
		3810	aio_rename "$uuid~", $uuid
		3811	and return;
		3812
		3813	trace "uuid file written ($value).\n";
		3814
		3815	1
		3816
		3817	}
		3818
		3819	sub write_uuid($$) {
		3820	my ($skip, $sync) = @_;
		3821
		3822	$sync ? write_uuid_sync $skip
		3823	: async { write_uuid_sync $skip };
2601	}	3824	}
2602		3825
2603	sub emergency_save() {	3826	sub emergency_save() {
2604	my $freeze_guard = cf::freeze_mainloop;	3827	my $freeze_guard = cf::freeze_mainloop;
2605		3828
2606	warn "enter emergency perl save\n";	3829	info "emergency_perl_save: enter\n";
		3830
		3831	# this is a trade-off: we want to be very quick here, so
		3832	# save all maps without fsync, and later call a global sync
		3833	# (which in turn might be very very slow)
		3834	local $USE_FSYNC = 0;
2607		3835
2608	cf::sync_job {	3836	cf::sync_job {
		3837	cf::write_runtime_sync; # external watchdog should not bark
		3838
2609	# use a peculiar iteration method to avoid tripping on perl	3839	# use a peculiar iteration method to avoid tripping on perl
2610	# refcount bugs in for. also avoids problems with players	3840	# refcount bugs in for. also avoids problems with players
2611	# and maps saved/destroyed asynchronously.	3841	# and maps saved/destroyed asynchronously.
2612	warn "begin emergency player save\n";	3842	info "emergency_perl_save: begin player save\n";
2613	for my $login (keys %cf::PLAYER) {	3843	for my $login (keys %cf::PLAYER) {
2614	my $pl = $cf::PLAYER{$login} or next;	3844	my $pl = $cf::PLAYER{$login} or next;
2615	$pl->valid or next;	3845	$pl->valid or next;
		3846	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2616	$pl->save;	3847	$pl->save;
2617	}	3848	}
2618	warn "end emergency player save\n";	3849	info "emergency_perl_save: end player save\n";
2619		3850
2620	warn "begin emergency map save\n";	3851	cf::write_runtime_sync; # external watchdog should not bark
		3852
		3853	info "emergency_perl_save: begin map save\n";
2621	for my $path (keys %cf::MAP) {	3854	for my $path (keys %cf::MAP) {
2622	my $map = $cf::MAP{$path} or next;	3855	my $map = $cf::MAP{$path} or next;
2623	$map->valid or next;	3856	$map->valid or next;
2624	$map->save;	3857	$map->save;
2625	}	3858	}
2626	warn "end emergency map save\n";	3859	info "emergency_perl_save: end map save\n";
2627		3860
2628	warn "begin emergency database checkpoint\n";	3861	cf::write_runtime_sync; # external watchdog should not bark
		3862
		3863	info "emergency_perl_save: begin database checkpoint\n";
2629	BDB::db_env_txn_checkpoint $DB_ENV;	3864	BDB::db_env_txn_checkpoint $DB_ENV;
2630	warn "end emergency database checkpoint\n";	3865	info "emergency_perl_save: end database checkpoint\n";
		3866
		3867	info "emergency_perl_save: begin write uuid\n";
		3868	write_uuid_sync 1;
		3869	info "emergency_perl_save: end write uuid\n";
		3870
		3871	cf::write_runtime_sync; # external watchdog should not bark
		3872
		3873	trace "emergency_perl_save: syncing database to disk";
		3874	BDB::db_env_txn_checkpoint $DB_ENV;
		3875
		3876	info "emergency_perl_save: starting sync\n";
		3877	IO::AIO::aio_sync sub {
		3878	info "emergency_perl_save: finished sync\n";
		3879	};
		3880
		3881	cf::write_runtime_sync; # external watchdog should not bark
		3882
		3883	trace "emergency_perl_save: flushing outstanding aio requests";
		3884	while (IO::AIO::nreqs || BDB::nreqs) {
		3885	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3886	}
		3887
		3888	cf::write_runtime_sync; # external watchdog should not bark
2631	};	3889	};
2632		3890
2633	warn "leave emergency perl save\n";	3891	info "emergency_perl_save: leave\n";
2634	}	3892	}
2635		3893
2636	sub post_cleanup {	3894	sub post_cleanup {
2637	my ($make_core) = @_;	3895	my ($make_core) = @_;
2638		3896
		3897	IO::AIO::flush;
		3898
2639	warn Carp::longmess "post_cleanup backtrace"	3899	error Carp::longmess "post_cleanup backtrace"
2640	if $make_core;	3900	if $make_core;
		3901
		3902	my $fh = pidfile;
		3903	unlink $PIDFILE if <$fh> == $$;
		3904	}
		3905
		3906	# a safer delete_package, copied from Symbol
		3907	sub clear_package($) {
		3908	my $pkg = shift;
		3909
		3910	# expand to full symbol table name if needed
		3911	unless ($pkg =~ /^main::.*::$/) {
		3912	$pkg = "main$pkg" if $pkg =~ /^::/;
		3913	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3914	$pkg .= '::' unless $pkg =~ /::$/;
		3915	}
		3916
		3917	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3918	my $stem_symtab = *{$stem}{HASH};
		3919
		3920	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3921	or return;
		3922
		3923	# clear all symbols
		3924	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3925	for my $name (keys %$leaf_symtab) {
		3926	_gv_clear *{"$pkg$name"};
		3927	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3928	}
2641	}	3929	}
2642		3930
2643	sub do_reload_perl() {	3931	sub do_reload_perl() {
2644	# can/must only be called in main	3932	# can/must only be called in main
2645	if ($Coro::current != $Coro::main) {	3933	unless (in_main) {
2646	warn "can only reload from main coroutine";	3934	error "can only reload from main coroutine";
2647	return;	3935	return;
2648	}	3936	}
2649		3937
2650	warn "reloading...";	3938	return if $RELOAD++;
2651		3939
2652	warn "entering sync_job";	3940	my $t1 = AE::time;
2653		3941
		3942	while ($RELOAD) {
		3943	cf::get_slot 0.1, -1, "reload_perl";
		3944	info "perl_reload: reloading...";
		3945
		3946	trace "perl_reload: entering sync_job";
		3947
2654	cf::sync_job {	3948	cf::sync_job {
2655	cf::write_runtime; # external watchdog should not bark
2656	cf::emergency_save;	3949	#cf::emergency_save;
2657	cf::write_runtime; # external watchdog should not bark
2658		3950
2659	warn "syncing database to disk";
2660	BDB::db_env_txn_checkpoint $DB_ENV;
2661
2662	# if anything goes wrong in here, we should simply crash as we already saved
2663
2664	warn "cancelling all WF_AUTOCANCEL watchers";
2665	for (Event::all_watchers) {
2666	$_->cancel if $_->data & WF_AUTOCANCEL;
2667	}
2668
2669	warn "flushing outstanding aio requests";
2670	for (;;) {
2671	BDB::flush;
2672	IO::AIO::flush;
2673	Coro::cede;
2674	last unless IO::AIO::nreqs || BDB::nreqs;
2675	warn "iterate...";
2676	}
2677
2678	++$RELOAD;
2679
2680	warn "cancelling all extension coros";	3951	trace "perl_reload: cancelling all extension coros";
2681	$_->cancel for values %EXT_CORO;	3952	$_->cancel for values %EXT_CORO;
2682	%EXT_CORO = ();	3953	%EXT_CORO = ();
2683		3954
2684	warn "removing commands";	3955	trace "perl_reload: removing commands";
2685	%COMMAND = ();	3956	%COMMAND = ();
2686		3957
2687	warn "removing ext commands";	3958	trace "perl_reload: removing ext/exti commands";
2688	%EXTCMD = ();	3959	%EXTCMD = ();
		3960	%EXTICMD = ();
2689		3961
2690	warn "unloading/nuking all extensions";	3962	trace "perl_reload: unloading/nuking all extensions";
2691	for my $pkg (@EXTS) {	3963	for my $pkg (@EXTS) {
2692	warn "... unloading $pkg";	3964	trace "... unloading $pkg";
2693		3965
2694	if (my $cb = $pkg->can ("unload")) {	3966	if (my $cb = $pkg->can ("unload")) {
2695	eval {	3967	eval {
2696	$cb->($pkg);	3968	$cb->($pkg);
2697	1	3969	1
2698	} or warn "$pkg unloaded, but with errors: $@";	3970	} or error "$pkg unloaded, but with errors: $@";
		3971	}
		3972
		3973	trace "... clearing $pkg";
		3974	clear_package $pkg;
2699	}	3975	}
2700		3976
2701	warn "... nuking $pkg";
2702	Symbol::delete_package $pkg;
2703	}
2704
2705	warn "unloading all perl modules loaded from $LIBDIR";	3977	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2706	while (my ($k, $v) = each %INC) {	3978	while (my ($k, $v) = each %INC) {
2707	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3979	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2708		3980
2709	warn "... unloading $k";	3981	trace "... unloading $k";
2710	delete $INC{$k};	3982	delete $INC{$k};
2711		3983
2712	$k =~ s/\.pm$//;	3984	$k =~ s/\.pm$//;
2713	$k =~ s/\//::/g;	3985	$k =~ s/\//::/g;
2714		3986
2715	if (my $cb = $k->can ("unload_module")) {	3987	if (my $cb = $k->can ("unload_module")) {
2716	$cb->();	3988	$cb->();
		3989	}
		3990
		3991	clear_package $k;
2717	}	3992	}
2718		3993
2719	Symbol::delete_package $k;
2720	}
2721
2722	warn "getting rid of safe::, as good as possible";	3994	trace "perl_reload: getting rid of safe::, as good as possible";
2723	Symbol::delete_package "safe::$_"	3995	clear_package "safe::$_"
2724	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3996	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2725		3997
2726	warn "unloading cf.pm \"a bit\"";	3998	trace "perl_reload: unloading cf.pm \"a bit\"";
2727	delete $INC{"cf.pm"};	3999	delete $INC{"cf.pm"};
2728	delete $INC{"cf/pod.pm"};	4000	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2729		4001
2730	# don't, removes xs symbols, too,	4002	# don't, removes xs symbols, too,
2731	# and global variables created in xs	4003	# and global variables created in xs
2732	#Symbol::delete_package __PACKAGE__;	4004	#clear_package __PACKAGE__;
2733		4005
2734	warn "unload completed, starting to reload now";	4006	info "perl_reload: unload completed, starting to reload now";
2735		4007
2736	warn "reloading cf.pm";	4008	trace "perl_reload: reloading cf.pm";
2737	require cf;	4009	require cf;
2738	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4010	cf::_connect_to_perl_1;
2739		4011
2740	warn "loading config and database again";	4012	trace "perl_reload: loading config and database again";
2741	cf::cfg_load;	4013	cf::reload_config;
2742		4014
2743	warn "loading extensions";	4015	trace "perl_reload: loading extensions";
2744	cf::load_extensions;	4016	cf::load_extensions;
2745		4017
		4018	if ($REATTACH_ON_RELOAD) {
2746	warn "reattaching attachments to objects/players";	4019	trace "perl_reload: reattaching attachments to objects/players";
2747	_global_reattach; # objects, sockets	4020	_global_reattach; # objects, sockets
2748	warn "reattaching attachments to maps";	4021	trace "perl_reload: reattaching attachments to maps";
2749	reattach $_ for values %MAP;	4022	reattach $_ for values %MAP;
2750	warn "reattaching attachments to players";	4023	trace "perl_reload: reattaching attachments to players";
2751	reattach $_ for values %PLAYER;	4024	reattach $_ for values %PLAYER;
		4025	}
2752		4026
2753	warn "leaving sync_job";	4027	cf::_post_init 1;
2754		4028
		4029	trace "perl_reload: leaving sync_job";
		4030
2755	1	4031	1
2756	} or do {	4032	} or do {
2757	warn $@;	4033	error $@;
2758	warn "error while reloading, exiting.";	4034	cf::cleanup "perl_reload: error, exiting.";
2759	exit 1;	4035	};
		4036
		4037	--$RELOAD;
2760	};	4038	}
2761		4039
2762	warn "reloaded";	4040	$t1 = AE::time - $t1;
		4041	info "perl_reload: completed in ${t1}s\n";
2763	};	4042	};
2764		4043
2765	our $RELOAD_WATCHER; # used only during reload	4044	our $RELOAD_WATCHER; # used only during reload
2766		4045
2767	sub reload_perl() {	4046	sub reload_perl() {
2768	# doing reload synchronously and two reloads happen back-to-back,	4047	# doing reload synchronously and two reloads happen back-to-back,
2769	# coro crashes during coro_state_free->destroy here.	4048	# coro crashes during coro_state_free->destroy here.
2770		4049
2771	$RELOAD_WATCHER ||= Event->timer (	4050	$RELOAD_WATCHER ||= cf::async {
2772	reentrant => 0,	4051	Coro::AIO::aio_wait cache_extensions;
2773	after => 0,	4052
2774	data => WF_AUTOCANCEL,	4053	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2775	cb => sub {
2776	do_reload_perl;	4054	do_reload_perl;
2777	undef $RELOAD_WATCHER;	4055	undef $RELOAD_WATCHER;
2778	},	4056	};
2779	);	4057	};
2780	}	4058	}
2781		4059
2782	register_command "reload" => sub {	4060	register_command "reload" => sub {
2783	my ($who, $arg) = @_;	4061	my ($who, $arg) = @_;
2784		4062
2785	if ($who->flag (FLAG_WIZ)) {	4063	if ($who->flag (FLAG_WIZ)) {
2786	$who->message ("reloading server.");	4064	$who->message ("reloading server.");
		4065	async {
		4066	$Coro::current->{desc} = "perl_reload";
2787	async { reload_perl };	4067	reload_perl;
		4068	};
2788	}	4069	}
2789	};	4070	};
2790		4071
2791	unshift @INC, $LIBDIR;	4072	#############################################################################
2792		4073
2793	my $bug_warning = 0;	4074	my $bug_warning = 0;
2794		4075
2795	our @WAIT_FOR_TICK;	4076	our @WAIT_FOR_TICK;
2796	our @WAIT_FOR_TICK_BEGIN;	4077	our @WAIT_FOR_TICK_BEGIN;
2797		4078
2798	sub wait_for_tick {	4079	sub wait_for_tick() {
2799	return unless $TICK_WATCHER->is_active;
2800	return if $Coro::current == $Coro::main;	4080	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2801		4081
2802	my $signal = new Coro::Signal;	4082	my $signal = new Coro::Signal;
2803	push @WAIT_FOR_TICK, $signal;	4083	push @WAIT_FOR_TICK, $signal;
2804	$signal->wait;	4084	$signal->wait;
2805	}	4085	}
2806		4086
2807	sub wait_for_tick_begin {	4087	sub wait_for_tick_begin() {
2808	return unless $TICK_WATCHER->is_active;
2809	return if $Coro::current == $Coro::main;	4088	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2810		4089
2811	my $signal = new Coro::Signal;	4090	my $signal = new Coro::Signal;
2812	push @WAIT_FOR_TICK_BEGIN, $signal;	4091	push @WAIT_FOR_TICK_BEGIN, $signal;
2813	$signal->wait;	4092	$signal->wait;
2814	}	4093	}
2815		4094
2816	$TICK_WATCHER = Event->timer (	4095	sub tick {
2817	reentrant => 0,
2818	parked => 1,
2819	prio => 0,
2820	at => $NEXT_TICK || $TICK,
2821	data => WF_AUTOCANCEL,
2822	cb => sub {
2823	if ($Coro::current != $Coro::main) {	4096	if ($Coro::current != $Coro::main) {
2824	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4097	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2825	unless ++$bug_warning > 10;	4098	unless ++$bug_warning > 10;
2826	return;	4099	return;
2827	}	4100	}
2828		4101
2829	$NOW = Event::time;
2830
2831	cf::server_tick; # one server iteration	4102	cf::server_tick; # one server iteration
2832		4103
2833	$RUNTIME += $TICK;	4104	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2834	$NEXT_TICK += $TICK;
2835		4105
2836	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4106	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2837	$NEXT_RUNTIME_WRITE = $NOW + 10;	4107	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2838	Coro::async_pool {	4108	Coro::async_pool {
		4109	$Coro::current->{desc} = "runtime saver";
2839	write_runtime	4110	write_runtime_sync
2840	or warn "ERROR: unable to write runtime file: $!";	4111	or error "ERROR: unable to write runtime file: $!";
2841	};
2842	}	4112	};
		4113	}
2843		4114
2844	# my $AFTER = Event::time;
2845	# warn $AFTER - $NOW;#d#
2846
2847	# if we are delayed by four ticks or more, skip them all
2848	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2849
2850	$TICK_WATCHER->at ($NEXT_TICK);
2851	$TICK_WATCHER->start;
2852
2853	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4115	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2854	$sig->send;	4116	$sig->send;
2855	}	4117	}
2856	while (my $sig = shift @WAIT_FOR_TICK) {	4118	while (my $sig = shift @WAIT_FOR_TICK) {
2857	$sig->send;	4119	$sig->send;
2858	}
2859
2860	_post_tick;
2861	},	4120	}
2862	);	4121
		4122	$LOAD = ($NOW - $TICK_START) / $TICK;
		4123	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4124
		4125	if (0) {
		4126	if ($NEXT_TICK) {
		4127	my $jitter = $TICK_START - $NEXT_TICK;
		4128	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4129	debug "jitter $JITTER\n";#d#
		4130	}
		4131	}
		4132	}
2863		4133
2864	{	4134	{
2865	BDB::max_poll_time $TICK * 0.1;	4135	# configure BDB
2866	$BDB_POLL_WATCHER = Event->io (	4136
2867	reentrant => 0,
2868	fd => BDB::poll_fileno,
2869	poll => 'r',
2870	prio => 0,
2871	data => WF_AUTOCANCEL,
2872	cb => \&BDB::poll_cb,
2873	);
2874	BDB::min_parallel 8;	4137	BDB::min_parallel 16;
2875		4138	BDB::max_poll_reqs $TICK * 0.1;
2876	BDB::set_sync_prepare {	4139	$AnyEvent::BDB::WATCHER->priority (1);
2877	my $status;
2878	my $current = $Coro::current;
2879	(
2880	sub {
2881	$status = $!;
2882	$current->ready; undef $current;
2883	},
2884	sub {
2885	Coro::schedule while defined $current;
2886	$! = $status;
2887	},
2888	)
2889	};
2890		4140
2891	unless ($DB_ENV) {	4141	unless ($DB_ENV) {
2892	$DB_ENV = BDB::db_env_create;	4142	$DB_ENV = BDB::db_env_create;
		4143	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4144	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4145	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4146	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4147	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2893		4148
2894	cf::sync_job {	4149	cf::sync_job {
2895	eval {	4150	eval {
2896	BDB::db_env_open	4151	BDB::db_env_open
2897	$DB_ENV,	4152	$DB_ENV,
…		…
2899	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4154	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2900	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4155	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2901	0666;	4156	0666;
2902		4157
2903	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4158	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2904
2905	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2906	$DB_ENV->set_lk_detect;
2907	};	4159	};
2908		4160
2909	cf::cleanup "db_env_open(db): $@" if $@;	4161	cf::cleanup "db_env_open(db): $@" if $@;
2910	};	4162	};
2911	}	4163	}
		4164
		4165	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4166	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4167	};
		4168	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4169	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4170	};
		4171	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4172	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4173	};
2912	}	4174	}
2913		4175
2914	{	4176	{
		4177	# configure IO::AIO
		4178
2915	IO::AIO::min_parallel 8;	4179	IO::AIO::min_parallel 8;
2916
2917	undef $Coro::AIO::WATCHER;
2918	IO::AIO::max_poll_time $TICK * 0.1;	4180	IO::AIO::max_poll_time $TICK * 0.1;
2919	$AIO_POLL_WATCHER = Event->io (	4181	undef $AnyEvent::AIO::WATCHER;
2920	reentrant => 0,
2921	data => WF_AUTOCANCEL,
2922	fd => IO::AIO::poll_fileno,
2923	poll => 'r',
2924	prio => 6,
2925	cb => \&IO::AIO::poll_cb,
2926	);
2927	}	4182	}
2928		4183
2929	my $_log_backtrace;	4184	our $_log_backtrace;
		4185	our $_log_backtrace_last;
2930		4186
2931	sub _log_backtrace {	4187	sub _log_backtrace {
2932	my ($msg, @addr) = @_;	4188	my ($msg, @addr) = @_;
2933		4189
2934	$msg =~ s/\n//;	4190	$msg =~ s/\n$//;
2935		4191
		4192	if ($_log_backtrace_last eq $msg) {
		4193	LOG llevInfo, "[ABT] $msg\n";
		4194	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2936	# limit the # of concurrent backtraces	4195	# limit the # of concurrent backtraces
2937	if ($_log_backtrace < 2) {	4196	} elsif ($_log_backtrace < 2) {
		4197	$_log_backtrace_last = $msg;
2938	++$_log_backtrace;	4198	++$_log_backtrace;
		4199	my $perl_bt = Carp::longmess $msg;
2939	async {	4200	async {
		4201	$Coro::current->{desc} = "abt $msg";
		4202
2940	my @bt = fork_call {	4203	my @bt = fork_call {
2941	@addr = map { sprintf "%x", $_ } @addr;	4204	@addr = map { sprintf "%x", $_ } @addr;
2942	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4205	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2943	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4206	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2944	or die "addr2line: $!";	4207	or die "addr2line: $!";
…		…
2952	}	4215	}
2953		4216
2954	@funcs	4217	@funcs
2955	};	4218	};
2956		4219
2957	LOG llevInfo, "[ABT] $msg\n";	4220	LOG llevInfo, "[ABT] $perl_bt\n";
		4221	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
2958	LOG llevInfo, "[ABT] $_\n" for @bt;	4222	LOG llevInfo, "[ABT] $_\n" for @bt;
2959	--$_log_backtrace;	4223	--$_log_backtrace;
2960	};	4224	};
2961	} else {	4225	} else {
2962	LOG llevInfo, "[ABT] $msg\n";	4226	LOG llevInfo, "[ABT] $msg\n";
2963	LOG llevInfo, "[ABT] [suppressed]\n";	4227	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2964	}	4228	}
2965	}	4229	}
2966		4230
2967	# load additional modules	4231	# load additional modules
2968	use cf::pod;	4232	require "cf/$_.pm" for @EXTRA_MODULES;
		4233	cf::_connect_to_perl_2;
2969		4234
2970	END { cf::emergency_save }	4235	END { cf::emergency_save }
2971		4236
2972	1	4237	1
2973		4238

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