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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.267 by root, Sat May 19 00:08:11 2007 UTC vs.
Revision 1.567 by root, Mon May 2 16:16:00 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
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	146	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	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 $REALLY_UNLOOP; # never set to true, please :)
98		155
99	binmode STDOUT;	156	binmode STDOUT;
100	binmode STDERR;	157	binmode STDERR;
101		158
102	# read virtual server time, if available	159	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	161	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
107	}	164	}
		165
		166	eval "sub TICK() { $TICK } 1" or die;
108		167
109	mkdir $_	168	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		170
112	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
113		172
114	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::"} };
115		189
116	#############################################################################	190	#############################################################################
117		191
118	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
119		193
…		…
155		229
156	The raw value load value from the last tick.	230	The raw value load value from the last tick.
157		231
158	=item %cf::CFG	232	=item %cf::CFG
159		233
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	235	from wherever your confdir points to.
162		236
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		238
165	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
166	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
167	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.
168		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
169	=back	260	=back
170		261
171	=cut	262	=cut
172		263
173	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
174	*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 {
175	my $msg = join "", @_;	271	my $msg = join "", @_;
176		272
177	$msg .= "\n"	273	$msg .= "\n"
178	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
179		275
180	$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;
181		277
182	utf8::encode $msg;
183	LOG llevError, $msg;	278	LOG llevWarn, $msg;
184	};	279	};
185	}	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	};
186		294
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@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';
192	@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)
193		302
194	# 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
195	# within the Safe compartment.	304	# within the Safe compartment.
196	for my $pkg (qw(	305	for my $pkg (qw(
197	cf::global cf::attachable	306	cf::global cf::attachable
198	cf::object cf::object::player	307	cf::object cf::object::player
199	cf::client cf::player	308	cf::client cf::player
200	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
201	cf::map cf::party cf::region	311	cf::party cf::region
202	)) {	312	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	314	}
206		315
207	$Event::DIED = sub {	316	$EV::DIED = sub {
208	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
209	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
		324
		325	#############################################################################
210		326
211	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
212		328
213	=over 4	329	=over 4
214		330
…		…
233	$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;
234	$d	350	$d
235	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
236	}	352	}
237		353
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	354	=item $scalar = load_file $path
239		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
240	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
241		369
242	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
243		371
244	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
245		373
246	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
247		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
248	=item cf::lock_wait $string	445	=item cf::lock_wait $string
249		446
250	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
251		448
252	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
253		450
254	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
255	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,
256	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
257	returned.	454	returned.
258		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
259	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
260	uses map_find and cf::map::load uses map_load).	460	uses map_find and cf::map::load uses map_load).
261		461
262	=item $locked = cf::lock_active $string	462	=item $locked = cf::lock_active $string
263		463
264	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.
265		465
266	=cut	466	=cut
267		467
268	our %LOCK;	468	our $LOCKS = new Coro::SemaphoreSet;
269		469
270	sub lock_wait($) {	470	sub lock_wait($) {
271	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
272
273	# wait for lock, if any
274	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;
277	}
278	}	472	}
279		473
280	sub lock_acquire($) {	474	sub lock_acquire($) {
281	my ($key) = @_;	475	$LOCKS->guard ($_[0])
282
283	# wait, to be sure we are not locked
284	lock_wait $key;
285
286	$LOCK{$key} = [];
287
288	Coro::guard {
289	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };
291	}
292	}	476	}
293		477
294	sub lock_active($) {	478	sub lock_active($) {
295	my ($key) = @_;	479	$LOCKS->count ($_[0]) < 1
296
297	! ! $LOCK{$key}
298	}	480	}
299		481
300	sub freeze_mainloop {	482	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
302		484
303	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
304	$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	}
305	};	556	}
306	$TICK_WATCHER->stop;	557	};
307	$guard	558
		559	sub get_slot($;$$) {
		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;
308	}	572	}
309		573
310	=item cf::async { BLOCK }	574	=item cf::async { BLOCK }
311		575
312	Currently the same as Coro::async_pool, meaning you cannot use	576	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		581
318	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
319		583
320	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
321		585
322	The design of crossfire+ requires that the main coro ($Coro::main) is	586	The design of Deliantra requires that the main coroutine ($Coro::main)
323	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
324	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.
325		590
326	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
327	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
328	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
329	fast or be very important.	594	fast or be very important.
…		…
331	=cut	596	=cut
332		597
333	sub sync_job(&) {	598	sub sync_job(&) {
334	my ($job) = @_;	599	my ($job) = @_;
335		600
336	if ($Coro::current == $Coro::main) {	601	if (in_main) {
337	my $time = Event::time;	602	my $time = AE::time;
338		603
339	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
341		606
342	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	608
344	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
345		610
346	my $busy = 1;	611	my $busy = 1;
347	my @res;	612	my @res;
348		613
349	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	616	@res = eval { $job->() };
351	warn $@ if $@;	617	error $@ if $@;
352	undef $busy;	618	undef $busy;
353	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
354		620
355	while ($busy) {	621	while ($busy) {
356	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
357	}	626	}
		627	}
358		628
359	$time = Event::time - $time;	629	my $time = AE::time - $time;
360		630
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364	$tick_start += $time; # do not account sync jobs to server load	631	$TICK_START += $time; # do not account sync jobs to server load
365		632
366	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
367	} else {	634	} else {
368	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
369		636
…		…
389	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
390		657
391	$coro	658	$coro
392	}	659	}
393		660
394	sub write_runtime {	661	=item fork_call { }, @args
395	my $runtime = "$LOCALDIR/runtime";
396		662
397	# first touch the runtime file to show we are still running:	663	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	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.
399		667
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	668	=cut
401	utime undef, undef, $fh;	669
		670	sub post_fork {
		671	reset_signals;
		672	}
		673
		674	sub fork_call(&@) {
		675	my ($cb, @args) = @_;
		676
		677	# we seemingly have to make a local copy of the whole thing,
		678	# otherwise perl prematurely frees the stuff :/
		679	# TODO: investigate and fix (likely this will be rather laborious)
		680
		681	my @res = Coro::Util::fork_eval {
		682	cf::post_fork;
		683	&$cb
		684	} @args;
		685
		686	wantarray ? @res : $res[-1]
		687	}
		688
		689	sub objinfo {
		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 $!;
402	}	757	};
		758	cf::cleanup "db_open(db): $@" if $@;
403		759
404	my $guard = cf::lock_acquire "write_runtime";	760	$db
		761	}
405		762
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	763	our $DB;
407	or return;
408		764
409	my $value = $cf::RUNTIME + 90 + 10;	765	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	766	$DB ||= db_table "db";
411	# 60 allows for the watchdog to kill the server.	767	}
412		768
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	769	sub db_get($$) {
414	and return;	770	my $key = "$_[0]/$_[1]";
415		771
416	# always fsync - this file is important	772	cf::error "db_get called from main context"
417	aio_fsync $fh	773	if $Coro::current == $Coro::main;
418	and return;
419		774
420	# touch it again to show we are up-to-date	775	BDB::db_get $DB, undef, $key, my $data;
421	utime undef, undef, $fh;
422		776
423	close $fh	777	$! ? ()
424	or return;	778	: $data
		779	}
425		780
426	aio_rename "$runtime~", $runtime	781	sub db_put($$$) {
427	and return;	782	BDB::dbreq_pri 4;
		783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		784	}
428		785
429	warn "runtime file written.\n";#d#	786	=item cf::cache $id => [$paths...], $processversion => $process
430		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;
431	1	850	}
		851
		852	db_get cache => "$id/data"
432	}	853	}
433		854
434	=item cf::datalog type => key => value, ...	855	=item cf::datalog type => key => value, ...
435		856
436	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.
437		858
438	=cut	859	=cut
439		860
440	sub datalog($@) {	861	sub datalog($@) {
441	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
442	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
443	}	864	}
444		865
445	=back	866	=back
446		867
447	=cut	868	=cut
448		869
449	#############################################################################	870	#############################################################################
450		871
451	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
452		873
453	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
454	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")
455	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
456		877
457	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>
458	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
459	crossfire+).	880	Deliantra).
460		881
461	=over 4	882	=over 4
462		883
463	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
464		885
…		…
508	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
509		930
510	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
511	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
512		933
513	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
514	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.
515		936
516	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
517		938
518	=over 4	939	=over 4
…		…
642		1063
643	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
644	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
645		1066
646	} elsif (ref $type) {	1067	} elsif (ref $type) {
647	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
648		1069
649	} else {	1070	} else {
650	shift @arg;	1071	shift @arg;
651	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
652	}	1073	}
653	}	1074	}
654	}	1075	}
655		1076
656	sub _object_attach {	1077	sub _object_attach {
…		…
666	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
667	}	1088	}
668		1089
669	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
670	} else {	1091	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
672	}	1093	}
673		1094
674	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
675	}	1096	}
676		1097
…		…
716	";	1137	";
717	die if $@;	1138	die if $@;
718	}	1139	}
719		1140
720	our $override;	1141	our $override;
721	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?
722		1143
723	sub override {	1144	sub override {
724	$override = 1;	1145	$override = 1;
725	@invoke_results = ();	1146	@INVOKE_RESULTS = (@_);
726	}	1147	}
727		1148
728	sub do_invoke {	1149	sub do_invoke {
729	my $event = shift;	1150	my $event = shift;
730	my $callbacks = shift;	1151	my $callbacks = shift;
731		1152
732	@invoke_results = ();	1153	@INVOKE_RESULTS = ();
733		1154
734	local $override;	1155	local $override;
735		1156
736	for (@$callbacks) {	1157	for (@$callbacks) {
737	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
738		1159
739	if ($@) {	1160	if ($@) {
740	warn "$@";
741	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
742	override;	1162	override;
743	}	1163	}
744		1164
745	return 1 if $override;	1165	return 1 if $override;
746	}	1166	}
747		1167
748	0	1168	0
749	}	1169	}
750		1170
751	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752		1172
753	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754		1174
755	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
756		1176
757	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
758	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
759	results (if you must, access C<@cf::invoke_results> directly).	1179	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		1180
761	=back	1181	=back
762		1182
763	=cut	1183	=cut
764		1184
765	#############################################################################	1185	#############################################################################
766	# 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	}
767		1229
768	sub reattach {	1230	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1232	my ($obj) = @_;
771		1233
		1234	# no longer needed after getting rid of delete_package?
772	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
773		1236
774	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
775		1238
776	@$registry = ();	1239	@$registry = ();
777		1240
…		…
782	for (@$attach) {	1245	for (@$attach) {
783	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
784	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
785	}	1248	}
786	} else {	1249	} else {
787	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
788	}	1251	}
789	}	1252	}
790	}	1253	}
791		1254
792	cf::attachable->attach (	1255	cf::attachable->attach (
793	prio => -1000000,	1256	prio => -1000000,
794	on_instantiate => sub {	1257	on_instantiate => sub {
795	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
796		1259
797	$data = from_json $data;	1260	$data = decode_json $data;
798		1261
799	for (@$data) {	1262	for (@$data) {
800	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
801		1264
802	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
818	sub object_freezer_save {	1281	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
820		1283
821	sync_job {	1284	sync_job {
822	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
825		1290
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	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	}
830	close $fh;	1298	aio_close $fh;
831		1299
832	if (@$objs) {	1300	if (@$objs) {
833	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) {
834	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
837	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	}
838	close $fh;	1309	aio_close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
840	}	1311	}
841	} else {	1312	} else {
842	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
843	}	1314	}
844		1315
845	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
846	} else {	1320	} else {
847	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
848	}	1322	}
849	} else {	1323	} else {
850	aio_unlink $filename;	1324	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
852	}	1326	}
853	}	1327	};
854	}	1328	}
855		1329
856	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
858		1332
…		…
870	or return;	1344	or return;
871		1345
872	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
874	or return;	1348	or return;
		1349
875	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
876	}	1352	}
877		1353
		1354	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
880	return ($data, $av);	1359	($data, $av)
881	}	1360	}
		1361
		1362	=head2 COMMAND CALLBACKS
		1363
		1364	=over 4
		1365
		1366	=cut
882		1367
883	#############################################################################	1368	#############################################################################
884	# command handling &c	1369	# command handling &c
885		1370
886	=item cf::register_command $name => \&callback($ob,$args);	1371	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1384	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1385	}
901		1386
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1387	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1388
904	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.
905		1394
906	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
907	called.	1396	called.
908		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
909	=cut	1409	=cut
910		1410
911	sub register_extcmd {	1411	sub register_extcmd {
912	my ($name, $cb) = @_;	1412	my ($name, $cb) = @_;
913		1413
914	$EXTCMD{$name} = $cb;	1414	$EXTCMD{$name} = $cb;
915	}	1415	}
916		1416
		1417	sub register_exticmd {
		1418	my ($name, $cb) = @_;
		1419
		1420	$EXTICMD{$name} = $cb;
		1421	}
		1422
		1423	use File::Glob ();
		1424
917	cf::player->attach (	1425	cf::player->attach (
918	on_command => sub {	1426	on_unknown_command => sub {
919	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
920		1428
921	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
922	or return;	1430	or return;
923		1431
…		…
928	cf::override;	1436	cf::override;
929	},	1437	},
930	on_extcmd => sub {	1438	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1439	my ($pl, $buf) = @_;
932		1440
933	my $msg = eval { from_json $buf };	1441	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1442
935	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
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1451	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1452	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
941	} else {	1458	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1460	}
944		1461
945	cf::override;	1462	cf::override;
946	},	1463	},
947	);	1464	);
948		1465
		1466	# "readahead" all extensions
949	sub load_extension {	1467	sub cache_extensions {
950	my ($path) = @_;	1468	my $grp = IO::AIO::aio_group;
951		1469
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
953	my $base = $1;	1471	for (grep /\.ext$/, @{$_[0]}) {
954	my $pkg = $1;	1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
955	$pkg =~ s/[^[:word:]]/_/g;
956	$pkg = "ext::$pkg";
957
958	warn "... loading '$path' into '$pkg'\n";
959
960	open my $fh, "<:utf8", $path
961	or die "$path: $!";
962
963	my $source =
964	"package $pkg; use strict; use utf8;\n"
965	. "#line 1 \"$path\"\n{\n"
966	. (do { local $/; <$fh> })
967	. "\n};\n1";
968
969	unless (eval $source) {
970	my $msg = $@ ? "$path: $@\n"
971	: "extension disabled.\n";
972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973	warn $@;
974	warn "mandatory extension failed to load, exiting.\n";
975	exit 1;
976	}	1473	}
977	die $@;
978	}	1474	};
979		1475
980	push @EXTS, $pkg;	1476	$grp
981	}	1477	}
982		1478
983	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
		1482	cf::sync_job {
		1483	my %todo;
		1484
984	for my $ext (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1486	next unless -r $path;
986	eval {	1487
987	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	}
988	1	1551	}
989	} 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	}
990	}	1564	};
991	}	1565	}
992		1566
993	#############################################################################	1567	#############################################################################
994		1568
		1569	=back
		1570
995	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
996		1572
997	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
998		1574
999	=cut	1575	=cut
1000		1576
1001	package cf::player;	1577	package cf::player;
1002		1578
1003	use Coro::AIO;	1579	use Coro::AIO;
1004		1580
1005	=head3 cf::player	1581	=head3 cf::player
1006		1582
1007	=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	}
1008		1598
1009	=item cf::player::find $login	1599	=item cf::player::find $login
1010		1600
1011	Returns the given player object, loading it if necessary (might block).	1601	Returns the given player object, loading it if necessary (might block).
1012		1602
…		…
1031		1621
1032	sub exists($) {	1622	sub exists($) {
1033	my ($login) = @_;	1623	my ($login) = @_;
1034		1624
1035	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
1036	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
1037	}	1627	}
1038		1628
1039	sub find($) {	1629	sub find($) {
1040	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
1041	my $login = $_[0];	1631	my $login = $_[0];
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1638	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1639	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1640	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1641	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1642
1053	my $pl = load_pl path $login	1643	my $f = new_from_file cf::object::thawer path $login
1054	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;
1055	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1056	}	1652	}
1057	}	1653	}
1058	}	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	);
1059		1668
1060	sub save($) {	1669	sub save($) {
1061	my ($pl) = @_;	1670	my ($pl) = @_;
1062		1671
1063	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
…		…
1068	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1069		1678
1070	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
1072		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
1073	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1074	Coro::cede;	1688	cf::cede_to_tick;
1075	}	1689	}
1076		1690
1077	sub new($) {	1691	sub new($) {
1078	my ($login) = @_;	1692	my ($login) = @_;
1079		1693
…		…
1085	$cf::PLAYER{$login} = $self;	1699	$cf::PLAYER{$login} = $self;
1086		1700
1087	$self	1701	$self
1088	}	1702	}
1089		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
1090	=item $pl->quit_character	1714	=item $pl->quit_character
1091		1715
1092	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
1093	be destroyed. May block for a long time.	1717	be destroyed. May block for a long time.
1094		1718
…		…
1098	my ($pl) = @_;	1722	my ($pl) = @_;
1099		1723
1100	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1101		1725
1102	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1103	$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
1104		1728
1105	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1106	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1107	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1108	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1109		1737
1110	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1111	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1112	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1147	or return [];	1775	or return [];
1148		1776
1149	my @logins;	1777	my @logins;
1150		1778
1151	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") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1155		1789
1156	utf8::decode $login;	1790	utf8::decode $login;
1157	push @logins, $login;	1791	push @logins, $login;
1158	}	1792	}
1159		1793
1160	\@logins	1794	\@logins
1161	}	1795	}
1162		1796
1163	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1164		1800
1165	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1166	player. May block.	1802	player. May block.
1167		1803
1168	=cut	1804	=cut
…		…
1186	}	1822	}
1187		1823
1188	\@paths	1824	\@paths
1189	}	1825	}
1190		1826
		1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1828
		1829	Expand deliantra pod fragments into protocol xml.
		1830
1191	=item $player->ext_reply ($msgid, %msg)	1831	=item $player->ext_reply ($msgid, @msg)
1192		1832
1193	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1194		1834
1195	=cut	1835	=cut
1196		1836
1197	sub ext_reply($$%) {	1837	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1838	my ($self, $id, @msg) = @_;
1199		1839
1200	$msg{msgid} = $id;	1840	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1841	}
1204		1842
1205	=item $player->ext_event ($type, %msg)	1843	=item $player->ext_msg ($type, @msg)
1206		1844
1207	Sends an ext event to the client.	1845	Sends an ext event to the client.
1208		1846
1209	=cut	1847	=cut
1210		1848
1211	sub ext_event($$%) {	1849	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1850	my ($self, $type, @msg) = @_;
1213		1851
1214	$self->ns->ext_event ($type, %msg);	1852	$self->ns->ext_msg ($type, @msg);
1215	}	1853	}
1216		1854
1217	=head3 cf::region	1855	=head3 cf::region
1218		1856
1219	=over 4	1857	=over 4
…		…
1222		1860
1223	package cf::region;	1861	package cf::region;
1224		1862
1225	=item cf::region::find_by_path $path	1863	=item cf::region::find_by_path $path
1226		1864
1227	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.
1228		1866
1229	=cut	1867	=cut
1230		1868
1231	sub find_by_path($) {	1869	sub find_by_path($) {
1232	my ($path) = @_;	1870	my ($path) = @_;
1233		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
		1873
1234	my ($match, $specificity);	1874	my ($match, $specificity);
1235		1875
1236	for my $region (list) {	1876	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1877	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1878	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1879	if $region->specificity > $specificity;
1240	}	1880	}
1241	}	1881	}
1242		1882
…		…
1263	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1265		1905
1266	sub generate_random_map {	1906	sub generate_random_map {
1267	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1268	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1269	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1270	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1271	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1272	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1273	$rmp->{exit_on_final_map},
1274	$rmp->{xsize}, $rmp->{ysize},
1275	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1276	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1277	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1278	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1279	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1280	(cf::region::find $rmp->{region}), $rmp->{custom}
1281	)
1282	}	1912	}
1283		1913
1284	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1285		1915
1286	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
…		…
1291		1921
1292	sub register {	1922	sub register {
1293	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1294	my $pkg = caller;	1924	my $pkg = caller;
1295		1925
1296	no strict;
1297	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1298		1927
1299	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1300	}	1929	}
1301		1930
1302	# also paths starting with '/'	1931	# also paths starting with '/'
1303	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1304		1933
1305	sub thawer_merge {	1934	sub thawer_merge {
1306	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1307		1936
1308	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
1309	local $self->{path};	1938	local $self->{path};
1310	local $self->{load_path};	1939	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1940
1314	$self->SUPER::thawer_merge ($merge);	1941	$self->SUPER::thawer_merge ($merge);
1315	}	1942	}
1316		1943
1317	sub normalise {	1944	sub normalise {
1318	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1319		1946
1320	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1321		1948
1322	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1323		1950
1324	# map plan:	1951	# map plan:
1325	#	1952	#
…		…
1340	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1341	$path = "$base/$path";	1968	$path = "$base/$path";
1342	}	1969	}
1343		1970
1344	for ($path) {	1971	for ($path) {
1345	redo if s{//}{/};
1346	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1347	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1348	}	1974	}
1349		1975
1350	$path	1976	$path
…		…
1364	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1365	return $self;	1991	return $self;
1366	}	1992	}
1367	}	1993	}
1368		1994
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1370	()	1996	()
1371	}	1997	}
1372		1998
		1999	# may re-bless or do other evil things
1373	sub init {	2000	sub init {
1374	my ($self) = @_;	2001	my ($self) = @_;
1375		2002
1376	$self	2003	$self
1377	}	2004	}
…		…
1396		2023
1397	# the temporary/swap location	2024	# the temporary/swap location
1398	sub save_path {	2025	sub save_path {
1399	my ($self) = @_;	2026	my ($self) = @_;
1400		2027
1401	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2028	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1402	"$TMPDIR/$path.map"	2029	"$TMPDIR/$path.map"
1403	}	2030	}
1404		2031
1405	# the unique path, undef == no special unique path	2032	# the unique path, undef == no special unique path
1406	sub uniq_path {	2033	sub uniq_path {
1407	my ($self) = @_;	2034	my ($self) = @_;
1408		2035
1409	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1410	"$UNIQUEDIR/$path"	2037	"$UNIQUEDIR/$path"
1411	}	2038	}
1412		2039
1413	# and all this just because we cannot iterate over	2040	sub decay_objects {
1414	# all maps in C++...
1415	sub change_all_map_light {
1416	my ($change) = @_;	2041	my ($self) = @_;
1417		2042
1418	$_->change_map_light ($change)	2043	return if $self->{deny_reset};
1419	for grep $_->outdoor, values %cf::MAP;	2044
		2045	$self->do_decay_objects;
1420	}	2046	}
1421		2047
1422	sub unlink_save {	2048	sub unlink_save {
1423	my ($self) = @_;	2049	my ($self) = @_;
1424		2050
…		…
1429		2055
1430	sub load_header_from($) {	2056	sub load_header_from($) {
1431	my ($self, $path) = @_;	2057	my ($self, $path) = @_;
1432		2058
1433	utf8::encode $path;	2059	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	2060	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	or return;	2061	or return;
1439		2062
		2063	$self->_load_header ($f)
		2064	or return;
		2065
		2066	local $MAP_LOADING{$self->{path}} = $self;
		2067	$f->resolve_delayed_derefs;
		2068
1440	$self->{load_path} = $path;	2069	$self->{load_path} = $path;
1441		2070
1442	1	2071	1
1443	}	2072	}
1444		2073
		2074	# used to laod the header of an original map
1445	sub load_header_orig {	2075	sub load_header_orig {
1446	my ($self) = @_;	2076	my ($self) = @_;
1447		2077
1448	$self->load_header_from ($self->load_path)	2078	$self->load_header_from ($self->load_path)
1449	}	2079	}
1450		2080
		2081	# used to laod the header of an instantiated map
1451	sub load_header_temp {	2082	sub load_header_temp {
1452	my ($self) = @_;	2083	my ($self) = @_;
1453		2084
1454	$self->load_header_from ($self->save_path)	2085	$self->load_header_from ($self->save_path)
1455	}	2086	}
1456		2087
		2088	# called after loading the header from an instantiated map
1457	sub prepare_temp {	2089	sub prepare_temp {
1458	my ($self) = @_;	2090	my ($self) = @_;
1459		2091
1460	$self->last_access ((delete $self->{last_access})	2092	$self->last_access ((delete $self->{last_access})
1461	|| $cf::RUNTIME); #d#	2093	|| $cf::RUNTIME); #d#
1462	# safety	2094	# safety
1463	$self->{instantiate_time} = $cf::RUNTIME	2095	$self->{instantiate_time} = $cf::RUNTIME
1464	if $self->{instantiate_time} > $cf::RUNTIME;	2096	if $self->{instantiate_time} > $cf::RUNTIME;
1465	}	2097	}
1466		2098
		2099	# called after loading the header from an original map
1467	sub prepare_orig {	2100	sub prepare_orig {
1468	my ($self) = @_;	2101	my ($self) = @_;
1469		2102
1470	$self->{load_original} = 1;	2103	$self->{load_original} = 1;
1471	$self->{instantiate_time} = $cf::RUNTIME;	2104	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1482	$self->load_header_orig	2115	$self->load_header_orig
1483	or return;	2116	or return;
1484	$self->prepare_orig;	2117	$self->prepare_orig;
1485	}	2118	}
1486		2119
		2120	$self->{deny_reset} = 1
		2121	if $self->no_reset;
		2122
1487	$self->default_region (cf::region::find_by_path $self->{path})	2123	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	2124	unless $self->default_region;
1489		2125
1490	1	2126	1
1491	}	2127	}
1492		2128
1493	sub find;	2129	sub find;
1494	sub find {	2130	sub find {
1495	my ($path, $origin) = @_;	2131	my ($path, $origin) = @_;
1496		2132
		2133	cf::cede_to_tick;
		2134
1497	$path = normalise $path, $origin && $origin->path;	2135	$path = normalise $path, $origin;
1498		2136
		2137	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	2138	my $guard2 = cf::lock_acquire "map_find:$path";
1500		2139
1501	$cf::MAP{$path} || do {	2140	$cf::MAP{$path} || do {
1502	my $guard = cf::lock_acquire "map_find:$path";
1503	my $map = new_from_path cf::map $path	2141	my $map = new_from_path cf::map $path
1504	or return;	2142	or return;
1505		2143
1506	$map->{last_save} = $cf::RUNTIME;	2144	$map->{last_save} = $cf::RUNTIME;
1507		2145
1508	$map->load_header	2146	$map->load_header
1509	or return;	2147	or return;
1510		2148
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2149	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	2150	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	2151	#$cf::WAIT_FOR_TICK->wait;
		2152	undef $guard2;
		2153	undef $guard1;
1514	$map->reset;	2154	$map->reset;
1515	undef $guard;
1516	return find $path;	2155	return find $path;
1517	}	2156	}
1518		2157
1519	$cf::MAP{$path} = $map	2158	$cf::MAP{$path} = $map
1520	}	2159	}
1521	}	2160	}
1522		2161
1523	sub pre_load { }	2162	sub pre_load { }
1524	sub post_load { }	2163	#sub post_load { } # XS
1525		2164
1526	sub load {	2165	sub load {
1527	my ($self) = @_;	2166	my ($self) = @_;
1528		2167
1529	local $self->{deny_reset} = 1; # loading can take a long time	2168	local $self->{deny_reset} = 1; # loading can take a long time
1530		2169
1531	my $path = $self->{path};	2170	my $path = $self->{path};
1532		2171
1533	{	2172	{
1534	my $guard = cf::lock_acquire "map_load:$path";	2173	my $guard = cf::lock_acquire "map_data:$path";
1535		2174
		2175	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	2176	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		2177
1538	$self->in_memory (cf::MAP_LOADING);	2178	$self->in_memory (cf::MAP_LOADING);
1539		2179
1540	$self->alloc;	2180	$self->alloc;
1541		2181
1542	$self->pre_load;	2182	$self->pre_load;
1543	Coro::cede;	2183	cf::cede_to_tick;
1544		2184
1545	$self->_load_objects ($self->{load_path}, 1)	2185	if (exists $self->{load_path}) {
		2186	my $f = new_from_file cf::object::thawer $self->{load_path};
		2187	$f->skip_block;
		2188	$self->_load_objects ($f)
1546	or return;	2189	or return;
1547		2190
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2191	$self->post_load_original
1549	if delete $self->{load_original};	2192	if delete $self->{load_original};
1550		2193
1551	if (my $uniq = $self->uniq_path) {	2194	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2195	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2196	unless (aio_stat $uniq) {
		2197	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2198	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2199	$self->_load_objects ($f);
		2200	$f->resolve_delayed_derefs;
		2201	}
		2202	}
1556	}	2203	}
1557	}
1558		2204
1559	Coro::cede;	2205	$f->resolve_delayed_derefs;
		2206	} else {
		2207	$self->post_load_original
		2208	if delete $self->{load_original};
		2209	}
		2210
		2211	cf::cede_to_tick;
1560	# now do the right thing for maps	2212	# now do the right thing for maps
1561	$self->link_multipart_objects;	2213	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	2214	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	2215	unless $self->difficulty;
1564	Coro::cede;	2216	cf::cede_to_tick;
1565		2217
1566	unless ($self->{deny_activate}) {	2218	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	2219	$self->decay_objects;
1568	$self->fix_auto_apply;	2220	$self->fix_auto_apply;
1569	$self->update_buttons;	2221	$self->update_buttons;
1570	Coro::cede;	2222	cf::cede_to_tick;
1571	$self->set_darkness_map;
1572	Coro::cede;
1573	$self->activate;	2223	$self->activate;
1574	}	2224	}
1575		2225
		2226	$self->{last_save} = $cf::RUNTIME;
		2227	$self->last_access ($cf::RUNTIME);
		2228
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2229	$self->in_memory (cf::MAP_ACTIVE);
1577	}	2230	}
1578		2231
1579	$self->post_load;	2232	$self->post_load;
1580	}
1581		2233
		2234	1
		2235	}
		2236
		2237	# customize the map for a given player, i.e.
		2238	# return the _real_ map. used by e.g. per-player
		2239	# maps to change the path to ~playername/mappath
1582	sub customise_for {	2240	sub customise_for {
1583	my ($self, $ob) = @_;	2241	my ($self, $ob) = @_;
1584		2242
1585	return find "~" . $ob->name . "/" . $self->{path}	2243	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2244	if $self->per_player;
1587		2245
		2246	# return find "?party/" . $ob->name . "/" . $self->{path}
		2247	# if $self->per_party;
		2248
1588	$self	2249	$self
1589	}	2250	}
1590		2251
1591	# find and load all maps in the 3x3 area around a map	2252	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	2253	sub load_neighbours {
1593	my ($map) = @_;	2254	my ($map) = @_;
1594		2255
1595	my @diag; # diagonal neighbours	2256	my @neigh; # diagonal neighbours
1596		2257
1597	for (0 .. 3) {	2258	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	2259	my $neigh = $map->tile_path ($_)
1599	or next;	2260	or next;
1600	$neigh = find $neigh, $map	2261	$neigh = find $neigh, $map
1601	or next;	2262	or next;
1602	$neigh->load;	2263	$neigh->load;
1603		2264
		2265	# now find the diagonal neighbours
		2266	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2267	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2268	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2269	}
1607		2270
1608	for (@diag) {	2271	for (grep defined $_->[0], @neigh) {
		2272	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2273	my $neigh = find $path, $origin
1610	or next;	2274	or next;
1611	$neigh->load;	2275	$neigh->load;
1612	}	2276	}
1613	}	2277	}
1614		2278
1615	sub find_sync {	2279	sub find_sync {
1616	my ($path, $origin) = @_;	2280	my ($path, $origin) = @_;
1617		2281
1618	cf::sync_job { find $path, $origin }	2282	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2283	if $Coro::current == $Coro::main;
		2284
		2285	find $path, $origin
1619	}	2286	}
1620		2287
1621	sub do_load_sync {	2288	sub do_load_sync {
1622	my ($map) = @_;	2289	my ($map) = @_;
1623		2290
1624	cf::sync_job { $map->load };	2291	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2292	if $Coro::current == $Coro::main;
		2293
		2294	$map->load;
1625	}	2295	}
1626		2296
1627	our %MAP_PREFETCH;	2297	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2298	our $MAP_PREFETCHER = undef;
1629		2299
1630	sub find_async {	2300	sub find_async {
1631	my ($path, $origin) = @_;	2301	my ($path, $origin, $load) = @_;
1632		2302
1633	$path = normalise $path, $origin && $origin->{path};	2303	$path = normalise $path, $origin;
1634		2304
1635	if (my $map = $cf::MAP{$path}) {	2305	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2306	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1637	}	2307	}
1638		2308
1639	undef $MAP_PREFETCH{$path};	2309	$MAP_PREFETCH{$path} |= $load;
		2310
1640	$MAP_PREFETCHER ||= cf::async {	2311	$MAP_PREFETCHER ||= cf::async {
		2312	$Coro::current->{desc} = "map prefetcher";
		2313
1641	while (%MAP_PREFETCH) {	2314	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2315	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2316	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2317	$map->load if $v;
		2318	}
1646		2319
1647	delete $MAP_PREFETCH{$path};	2320	delete $MAP_PREFETCH{$k};
1648	}	2321	}
1649	}	2322	}
1650	undef $MAP_PREFETCHER;	2323	undef $MAP_PREFETCHER;
1651	};	2324	};
1652	$MAP_PREFETCHER->prio (6);	2325	$MAP_PREFETCHER->prio (6);
1653		2326
1654	()	2327	()
1655	}	2328	}
1656		2329
		2330	# common code, used by both ->save and ->swapout
1657	sub save {	2331	sub _save {
1658	my ($self) = @_;	2332	my ($self) = @_;
1659
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;
1661		2333
1662	$self->{last_save} = $cf::RUNTIME;	2334	$self->{last_save} = $cf::RUNTIME;
1663		2335
1664	return unless $self->dirty;	2336	return unless $self->dirty;
1665		2337
…		…
1671	return if $self->{deny_save};	2343	return if $self->{deny_save};
1672		2344
1673	local $self->{last_access} = $self->last_access;#d#	2345	local $self->{last_access} = $self->last_access;#d#
1674		2346
1675	cf::async {	2347	cf::async {
		2348	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2349	$_->contr->save for $self->players;
1677	};	2350	};
		2351
		2352	cf::get_slot 0.02;
1678		2353
1679	if ($uniq) {	2354	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2355	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1681	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2356	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1682	} else {	2357	} else {
1683	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2358	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1684	}	2359	}
1685	}	2360	}
1686		2361
		2362	sub save {
		2363	my ($self) = @_;
		2364
		2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2366
		2367	$self->_save;
		2368	}
		2369
1687	sub swap_out {	2370	sub swap_out {
1688	my ($self) = @_;	2371	my ($self) = @_;
1689		2372
1690	# save first because save cedes
1691	$self->save;
1692
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2373	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2374
		2375	return if $self->in_memory != cf::MAP_ACTIVE;
		2376	return if $self->{deny_save};
1695	return if $self->players;	2377	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;
1697	return if $self->{deny_save};
1698		2378
		2379	# first deactivate the map and "unlink" it from the core
		2380	$self->deactivate;
		2381	$_->clear_links_to ($self) for values %cf::MAP;
		2382	$self->in_memory (cf::MAP_SWAPPED);
		2383
		2384	# then atomically save
		2385	$self->_save;
		2386
		2387	# then free the map
1699	$self->clear;	2388	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2389	}
1702		2390
1703	sub reset_at {	2391	sub reset_at {
1704	my ($self) = @_;	2392	my ($self) = @_;
1705		2393
1706	# TODO: safety, remove and allow resettable per-player maps	2394	# TODO: safety, remove and allow resettable per-player maps
1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1708	return 1e99 if $self->{deny_reset};	2395	return 1e99 if $self->{deny_reset};
1709		2396
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2397	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2398	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2399
…		…
1723	my ($self) = @_;	2410	my ($self) = @_;
1724		2411
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2412	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2413
1727	return if $self->players;	2414	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2415
1730	warn "resetting map ", $self->path;#d#	2416	cf::trace "resetting map ", $self->path, "\n";
1731		2417
1732	$self->in_memory (cf::MAP_SWAPPED);	2418	$self->in_memory (cf::MAP_SWAPPED);
1733		2419
1734	# need to save uniques path	2420	# need to save uniques path
1735	unless ($self->{deny_save}) {	2421	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2425	if $uniq;
1740	}	2426	}
1741		2427
1742	delete $cf::MAP{$self->path};	2428	delete $cf::MAP{$self->path};
1743		2429
		2430	$self->deactivate;
		2431	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2432	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2433
1748	$self->unlink_save;	2434	$self->unlink_save;
1749	$self->destroy;	2435	$self->destroy;
1750	}	2436	}
1751		2437
1752	my $nuke_counter = "aaaa";	2438	my $nuke_counter = "aaaa";
1753		2439
1754	sub nuke {	2440	sub nuke {
1755	my ($self) = @_;	2441	my ($self) = @_;
1756		2442
		2443	{
		2444	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2445
1757	delete $cf::MAP{$self->path};	2446	delete $cf::MAP{$self->path};
1758		2447
1759	$self->unlink_save;	2448	$self->unlink_save;
1760		2449
1761	bless $self, "cf::map";	2450	bless $self, "cf::map::wrap";
1762	delete $self->{deny_reset};	2451	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2452	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2453	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2454	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2455
1767	$cf::MAP{$self->path} = $self;	2456	$cf::MAP{$self->path} = $self;
		2457	}
1768		2458
1769	$self->reset; # polite request, might not happen	2459	$self->reset; # polite request, might not happen
		2460	}
		2461
		2462	=item $maps = cf::map::tmp_maps
		2463
		2464	Returns an arrayref with all map paths of currently instantiated and saved
		2465	maps. May block.
		2466
		2467	=cut
		2468
		2469	sub tmp_maps() {
		2470	[
		2471	map {
		2472	utf8::decode $_;
		2473	/\.map$/
		2474	? normalise $_
		2475	: ()
		2476	} @{ aio_readdir $TMPDIR or [] }
		2477	]
		2478	}
		2479
		2480	=item $maps = cf::map::random_maps
		2481
		2482	Returns an arrayref with all map paths of currently instantiated and saved
		2483	random maps. May block.
		2484
		2485	=cut
		2486
		2487	sub random_maps() {
		2488	[
		2489	map {
		2490	utf8::decode $_;
		2491	/\.map$/
		2492	? normalise "?random/$_"
		2493	: ()
		2494	} @{ aio_readdir $RANDOMDIR or [] }
		2495	]
1770	}	2496	}
1771		2497
1772	=item cf::map::unique_maps	2498	=item cf::map::unique_maps
1773		2499
1774	Returns an arrayref of paths of all shared maps that have	2500	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2501	instantiated unique items. May block.
1776		2502
1777	=cut	2503	=cut
1778		2504
1779	sub unique_maps() {	2505	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2506	[
1781	or return;	2507	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2508	utf8::decode $_;
1787	next if /\.pst$/;	2509	s/\.map$//; # TODO future compatibility hack
1788	next unless /^$PATH_SEP/o;	2510	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1789		2511	? ()
1790	push @paths, cf::map::normalise $_;	2512	: normalise $_
		2513	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2514	]
1792
1793	\@paths
1794	}	2515	}
1795		2516
1796	package cf;	2517	=item cf::map::static_maps
		2518
		2519	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2520	file in the shared directory excluding F</styles> and F</editor>). May
		2521	block.
		2522
		2523	=cut
		2524
		2525	sub static_maps() {
		2526	my @dirs = "";
		2527	my @maps;
		2528
		2529	while (@dirs) {
		2530	my $dir = shift @dirs;
		2531
		2532	next if $dir eq "/styles" || $dir eq "/editor";
		2533
		2534	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2535	or return;
		2536
		2537	for (@$files) {
		2538	s/\.map$// or next;
		2539	utf8::decode $_;
		2540	push @maps, "$dir/$_";
		2541	}
		2542
		2543	push @dirs, map "$dir/$_", @$dirs;
		2544	}
		2545
		2546	\@maps
		2547	}
1797		2548
1798	=back	2549	=back
1799		2550
1800	=head3 cf::object	2551	=head3 cf::object
1801		2552
…		…
1805		2556
1806	=over 4	2557	=over 4
1807		2558
1808	=item $ob->inv_recursive	2559	=item $ob->inv_recursive
1809		2560
1810	Returns the inventory of the object _and_ their inventories, recursively.	2561	Returns the inventory of the object I<and> their inventories, recursively,
		2562	but I<not> the object itself.
1811		2563
1812	=cut	2564	=cut
1813		2565
1814	sub inv_recursive_;	2566	sub inv_recursive_;
1815	sub inv_recursive_ {	2567	sub inv_recursive_ {
…		…
1818		2570
1819	sub inv_recursive {	2571	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2572	inv_recursive_ inv $_[0]
1821	}	2573	}
1822		2574
		2575	=item $ref = $ob->ref
		2576
		2577	Creates and returns a persistent reference to an object that can be stored as a string.
		2578
		2579	=item $ob = cf::object::deref ($refstring)
		2580
		2581	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2582	even if the object actually exists. May block.
		2583
		2584	=cut
		2585
		2586	sub deref {
		2587	my ($ref) = @_;
		2588
		2589	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2590	my ($uuid, $name) = ($1, $2);
		2591	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2592	or return;
		2593	$pl->ob->uuid eq $uuid
		2594	or return;
		2595
		2596	$pl->ob
		2597	} else {
		2598	warn "$ref: cannot resolve object reference\n";
		2599	undef
		2600	}
		2601	}
		2602
1823	package cf;	2603	package cf;
1824		2604
1825	=back	2605	=back
1826		2606
1827	=head3 cf::object::player	2607	=head3 cf::object::player
…		…
1833	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2613	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1834	can be C<undef>. Does the right thing when the player is currently in a	2614	can be C<undef>. Does the right thing when the player is currently in a
1835	dialogue with the given NPC character.	2615	dialogue with the given NPC character.
1836		2616
1837	=cut	2617	=cut
		2618
		2619	our $SAY_CHANNEL = {
		2620	id => "say",
		2621	title => "Map",
		2622	reply => "say ",
		2623	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2624	};
		2625
		2626	our $CHAT_CHANNEL = {
		2627	id => "chat",
		2628	title => "Chat",
		2629	reply => "chat ",
		2630	tooltip => "Player chat and shouts, global to the server.",
		2631	};
1838		2632
1839	# rough implementation of a future "reply" method that works	2633	# rough implementation of a future "reply" method that works
1840	# with dialog boxes.	2634	# with dialog boxes.
1841	#TODO: the first argument must go, split into a $npc->reply_to ( method	2635	#TODO: the first argument must go, split into a $npc->reply_to ( method
1842	sub cf::object::player::reply($$$;$) {	2636	sub cf::object::player::reply($$$;$) {
…		…
1844		2638
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2639	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2640
1847	if ($self->{record_replies}) {	2641	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2642	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2643
1849	} else {	2644	} else {
		2645	my $pl = $self->contr;
		2646
		2647	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2648	my $dialog = $pl->{npc_dialog};
		2649	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2650
		2651	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2652	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2653	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2654	}
1852	}	2655	}
		2656	}
		2657
		2658	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2659
		2660	=cut
		2661
		2662	sub cf::object::send_msg {
		2663	my $pl = shift->contr
		2664	or return;
		2665	$pl->send_msg (@_);
1853	}	2666	}
1854		2667
1855	=item $player_object->may ("access")	2668	=item $player_object->may ("access")
1856		2669
1857	Returns wether the given player is authorized to access resource "access"	2670	Returns wether the given player is authorized to access resource "access"
…		…
1870		2683
1871	=item $player_object->enter_link	2684	=item $player_object->enter_link
1872		2685
1873	Freezes the player and moves him/her to a special map (C<{link}>).	2686	Freezes the player and moves him/her to a special map (C<{link}>).
1874		2687
1875	The player should be reasonably safe there for short amounts of time. You	2688	The player should be reasonably safe there for short amounts of time (e.g.
1876	I<MUST> call C<leave_link> as soon as possible, though.	2689	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2690	though, as the player cannot control the character while it is on the link
		2691	map.
1877		2692
1878	Will never block.	2693	Will never block.
1879		2694
1880	=item $player_object->leave_link ($map, $x, $y)	2695	=item $player_object->leave_link ($map, $x, $y)
1881		2696
…		…
1901	sub cf::object::player::enter_link {	2716	sub cf::object::player::enter_link {
1902	my ($self) = @_;	2717	my ($self) = @_;
1903		2718
1904	$self->deactivate_recursive;	2719	$self->deactivate_recursive;
1905		2720
		2721	++$self->{_link_recursion};
		2722
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2723	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2724
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2725	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2726	if $self->map && $self->map->{path} ne "{link}";
1910		2727
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2728	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1912	}	2729	}
1913		2730
1914	sub cf::object::player::leave_link {	2731	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2732	my ($self, $map, $x, $y) = @_;
		2733
		2734	return unless $self->contr->active;
1916		2735
1917	my $link_pos = delete $self->{_link_pos};	2736	my $link_pos = delete $self->{_link_pos};
1918		2737
1919	unless ($map) {	2738	unless ($map) {
1920	# restore original map position	2739	# restore original map position
…		…
1931	($x, $y) = (-1, -1)	2750	($x, $y) = (-1, -1)
1932	unless (defined $x) && (defined $y);	2751	unless (defined $x) && (defined $y);
1933		2752
1934	# use -1 or undef as default coordinates, not 0, 0	2753	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2754	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2755	if $x <= 0 && $y <= 0;
1937		2756
1938	$map->load;	2757	$map->load;
1939	$map->load_diag;	2758	$map->load_neighbours;
1940		2759
1941	return unless $self->contr->active;	2760	return unless $self->contr->active;
1942	$self->activate_recursive;
1943		2761
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2762	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2763	if ($self->enter_map ($map, $x, $y)) {
1946	}	2764	# entering was successful
1947		2765	delete $self->{_link_recursion};
1948	cf::player->attach (	2766	# only activate afterwards, to support waiting in hooks
1949	on_logout => sub {	2767	$self->activate_recursive;
1950	my ($pl) = @_;
1951
1952	# abort map switching before logout
1953	if ($pl->ob->{_link_pos}) {
1954	cf::sync_job {
1955	$pl->ob->leave_link
1956	};
1957	}
1958	},	2768	}
1959	on_login => sub {
1960	my ($pl) = @_;
1961		2769
1962	# try to abort aborted map switching on player login :)	2770	}
1963	# should happen only on crashes
1964	if ($pl->ob->{_link_pos}) {
1965	$pl->ob->enter_link;
1966	(async {
1967	$pl->ob->reply (undef,
1968	"There was an internal problem at your last logout, "
1969	. "the server will try to bring you to your intended destination in a second.",
1970	cf::NDI_RED);
1971	# we need this sleep as the login has a concurrent enter_exit running
1972	# and this sleep increases chances of the player not ending up in scorn
1973	Coro::Timer::sleep 1;
1974	$pl->ob->leave_link;
1975	})->prio (2);
1976	}
1977	},
1978	);
1979		2771
1980	=item $player_object->goto ($path, $x, $y)	2772	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1981		2773
		2774	Moves the player to the given map-path and coordinates by first freezing
		2775	her, loading and preparing them map, calling the provided $check callback
		2776	that has to return the map if sucecssful, and then unfreezes the player on
		2777	the new (success) or old (failed) map position. In either case, $done will
		2778	be called at the end of this process.
		2779
		2780	Note that $check will be called with a potentially non-loaded map, so if
		2781	it needs a loaded map it has to call C<< ->load >>.
		2782
1982	=cut	2783	=cut
		2784
		2785	our $GOTOGEN;
1983		2786
1984	sub cf::object::player::goto {	2787	sub cf::object::player::goto {
1985	my ($self, $path, $x, $y) = @_;	2788	my ($self, $path, $x, $y, $check, $done) = @_;
		2789
		2790	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2791	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2792	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2793	($path, $x, $y) = @$EMERGENCY_POSITION;
		2794	}
		2795
		2796	# do generation counting so two concurrent goto's will be executed in-order
		2797	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1986		2798
1987	$self->enter_link;	2799	$self->enter_link;
1988		2800
1989	(async {	2801	(async {
		2802	$Coro::current->{desc} = "player::goto $path $x $y";
		2803
		2804	# *tag paths override both path and x|y
		2805	if ($path =~ /^\*(.*)$/) {
		2806	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2807	my $ob = $obs[rand @obs];
		2808
		2809	# see if we actually can go there
		2810	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2811	$ob = $obs[rand @obs];
		2812	} else {
		2813	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2814	}
		2815	# else put us there anyways for now #d#
		2816
		2817	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2818	} else {
		2819	($path, $x, $y) = (undef, undef, undef);
		2820	}
		2821	}
		2822
1990	my $map = eval {	2823	my $map = eval {
1991	my $map = cf::map::find $path;	2824	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2825
		2826	if ($map) {
1992	$map = $map->customise_for ($self) if $map;	2827	$map = $map->customise_for ($self);
		2828	$map = $check->($map, $x, $y, $self) if $check && $map;
		2829	} else {
		2830	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2831	}
		2832
1993	$map	2833	$map
		2834	};
		2835
		2836	if ($@) {
		2837	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2838	LOG llevError | logBacktrace, Carp::longmess $@;
1994	} or	2839	}
1995	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1996		2840
		2841	if ($gen == $self->{_goto_generation}) {
		2842	delete $self->{_goto_generation};
1997	$self->leave_link ($map, $x, $y);	2843	$self->leave_link ($map, $x, $y);
		2844	}
		2845
		2846	$done->($self) if $done;
1998	})->prio (1);	2847	})->prio (1);
1999	}	2848	}
2000		2849
2001	=item $player_object->enter_exit ($exit_object)	2850	=item $player_object->enter_exit ($exit_object)
2002		2851
…		…
2022	}	2871	}
2023		2872
2024	sub prepare_random_map {	2873	sub prepare_random_map {
2025	my ($exit) = @_;	2874	my ($exit) = @_;
2026		2875
2027	my $guard = cf::lock_acquire "exit_prepare:$exit";
2028
2029	# all this does is basically replace the /! path by	2876	# all this does is basically replace the /! path by
2030	# a new random map path (?random/...) with a seed	2877	# a new random map path (?random/...) with a seed
2031	# that depends on the exit object	2878	# that depends on the exit object
2032		2879
2033	my $rmp = parse_random_map_params $exit->msg;	2880	my $rmp = parse_random_map_params $exit->msg;
…		…
2035	if ($exit->map) {	2882	if ($exit->map) {
2036	$rmp->{region} = $exit->region->name;	2883	$rmp->{region} = $exit->region->name;
2037	$rmp->{origin_map} = $exit->map->path;	2884	$rmp->{origin_map} = $exit->map->path;
2038	$rmp->{origin_x} = $exit->x;	2885	$rmp->{origin_x} = $exit->x;
2039	$rmp->{origin_y} = $exit->y;	2886	$rmp->{origin_y} = $exit->y;
		2887
		2888	$exit->map->touch;
2040	}	2889	}
2041		2890
2042	$rmp->{random_seed} ||= $exit->random_seed;	2891	$rmp->{random_seed} ||= $exit->random_seed;
2043		2892
2044	my $data = cf::to_json $rmp;	2893	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2045	my $md5 = Digest::MD5::md5_hex $data;	2894	my $md5 = Digest::MD5::md5_hex $data;
2046	my $meta = "$RANDOMDIR/$md5.meta";	2895	my $meta = "$RANDOMDIR/$md5.meta";
2047		2896
2048	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2897	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2049	aio_write $fh, 0, (length $data), $data, 0;	2898	aio_write $fh, 0, (length $data), $data, 0;
2050	undef $fh;	2899	undef $fh;
2051	aio_rename "$meta~", $meta;	2900	aio_rename "$meta~", $meta;
2052		2901
		2902	my $slaying = "?random/$md5";
		2903
		2904	if ($exit->valid) {
2053	$exit->slaying ("?random/$md5");	2905	$exit->slaying ("?random/$md5");
2054	$exit->msg (undef);	2906	$exit->msg (undef);
		2907	}
2055	}	2908	}
2056	}	2909	}
2057		2910
2058	sub cf::object::player::enter_exit {	2911	sub cf::object::player::enter_exit {
2059	my ($self, $exit) = @_;	2912	my ($self, $exit) = @_;
2060		2913
2061	return unless $self->type == cf::PLAYER;	2914	return unless $self->type == cf::PLAYER;
2062		2915
2063	if ($exit->slaying eq "/!") {
2064	#TODO: this should de-fi-ni-te-ly not be a sync-job
2065	# the problem is that $exit might not survive long enough
2066	# so it needs to be done right now, right here
2067	cf::sync_job { prepare_random_map $exit };
2068	}
2069
2070	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2071	my $hp = $exit->stats->hp;
2072	my $sp = $exit->stats->sp;
2073
2074	$self->enter_link;	2916	$self->enter_link;
2075		2917
2076	(async {	2918	(async {
2077	$self->deactivate_recursive; # just to be sure	2919	$Coro::current->{desc} = "enter_exit";
		2920
2078	unless (eval {	2921	unless (eval {
		2922	$self->deactivate_recursive; # just to be sure
		2923
		2924	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2925	my $x = $exit->stats->hp;
		2926	my $y = $exit->stats->sp;
		2927
		2928	# special map handling
		2929	my $slaying = $exit->slaying;
		2930
		2931	# special map handling
		2932	if ($slaying eq "/!") {
		2933	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2934
		2935	prepare_random_map $exit
		2936	if $slaying eq "/!"; # need to re-check after getting the lock
		2937
		2938	} elsif ($slaying eq '!up') {
		2939	$map = $exit->map->tile_path (cf::TILE_UP);
		2940	$x = $exit->x;
		2941	$y = $exit->y;
		2942
		2943	} elsif ($slaying eq '!down') {
		2944	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2945	$x = $exit->x;
		2946	$y = $exit->y;
		2947	}
		2948
2079	$self->goto ($slaying, $hp, $sp);	2949	$self->goto ($map, $x, $y);
2080		2950
		2951	# if exit is damned, update players death & WoR home-position
		2952	$self->contr->savebed ($map, $x, $y)
		2953	if $exit->flag (cf::FLAG_DAMNED);
		2954
2081	1;	2955	1
2082	}) {	2956	}) {
2083	$self->message ("Something went wrong deep within the crossfire server. "	2957	$self->message ("Something went wrong deep within the deliantra server. "
2084	. "I'll try to bring you back to the map you were before. "	2958	. "I'll try to bring you back to the map you were before. "
2085	. "Please report this to the dungeon master!",	2959	. "Please report this to the dungeon master!",
2086	cf::NDI_UNIQUE | cf::NDI_RED);	2960	cf::NDI_UNIQUE | cf::NDI_RED);
2087		2961
2088	warn "ERROR in enter_exit: $@";	2962	error "ERROR in enter_exit: $@";
2089	$self->leave_link;	2963	$self->leave_link;
2090	}	2964	}
2091	})->prio (1);	2965	})->prio (1);
2092	}	2966	}
2093		2967
…		…
2107		2981
2108	utf8::encode $text;	2982	utf8::encode $text;
2109	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2983	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2110	}	2984	}
2111		2985
		2986	=item $client->send_big_packet ($pkt)
		2987
		2988	Like C<send_packet>, but tries to compress large packets, and fragments
		2989	them as required.
		2990
		2991	=cut
		2992
		2993	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2994
		2995	sub cf::client::send_big_packet {
		2996	my ($self, $pkt) = @_;
		2997
		2998	# try lzf for large packets
		2999	$pkt = "lzf " . Compress::LZF::compress $pkt
		3000	if 1024 <= length $pkt and $self->{can_lzf};
		3001
		3002	# split very large packets
		3003	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3004	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3005	$pkt = "frag";
		3006	}
		3007
		3008	$self->send_packet ($pkt);
		3009	}
		3010
		3011	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3012
		3013	Send a drawinfo or msg packet to the client, formatting the msg for the
		3014	client if neccessary. C<$type> should be a string identifying the type of
		3015	the message, with C<log> being the default. If C<$color> is negative, suppress
		3016	the message unless the client supports the msg packet.
		3017
		3018	=cut
		3019
		3020	# non-persistent channels (usually the info channel)
		3021	our %CHANNEL = (
		3022	"c/motd" => {
		3023	id => "infobox",
		3024	title => "MOTD",
		3025	reply => undef,
		3026	tooltip => "The message of the day",
		3027	},
		3028	"c/identify" => {
		3029	id => "infobox",
		3030	title => "Identify",
		3031	reply => undef,
		3032	tooltip => "Items recently identified",
		3033	},
		3034	"c/examine" => {
		3035	id => "infobox",
		3036	title => "Examine",
		3037	reply => undef,
		3038	tooltip => "Signs and other items you examined",
		3039	},
		3040	"c/shopinfo" => {
		3041	id => "infobox",
		3042	title => "Shop Info",
		3043	reply => undef,
		3044	tooltip => "What your bargaining skill tells you about the shop",
		3045	},
		3046	"c/book" => {
		3047	id => "infobox",
		3048	title => "Book",
		3049	reply => undef,
		3050	tooltip => "The contents of a note or book",
		3051	},
		3052	"c/lookat" => {
		3053	id => "infobox",
		3054	title => "Look",
		3055	reply => undef,
		3056	tooltip => "What you saw there",
		3057	},
		3058	"c/who" => {
		3059	id => "infobox",
		3060	title => "Players",
		3061	reply => undef,
		3062	tooltip => "Shows players who are currently online",
		3063	},
		3064	"c/body" => {
		3065	id => "infobox",
		3066	title => "Body Parts",
		3067	reply => undef,
		3068	tooltip => "Shows which body parts you posess and are available",
		3069	},
		3070	"c/statistics" => {
		3071	id => "infobox",
		3072	title => "Statistics",
		3073	reply => undef,
		3074	tooltip => "Shows your primary statistics",
		3075	},
		3076	"c/skills" => {
		3077	id => "infobox",
		3078	title => "Skills",
		3079	reply => undef,
		3080	tooltip => "Shows your experience per skill and item power",
		3081	},
		3082	"c/shopitems" => {
		3083	id => "infobox",
		3084	title => "Shop Items",
		3085	reply => undef,
		3086	tooltip => "Shows the items currently for sale in this shop",
		3087	},
		3088	"c/resistances" => {
		3089	id => "infobox",
		3090	title => "Resistances",
		3091	reply => undef,
		3092	tooltip => "Shows your resistances",
		3093	},
		3094	"c/pets" => {
		3095	id => "infobox",
		3096	title => "Pets",
		3097	reply => undef,
		3098	tooltip => "Shows information abotu your pets/a specific pet",
		3099	},
		3100	"c/perceiveself" => {
		3101	id => "infobox",
		3102	title => "Perceive Self",
		3103	reply => undef,
		3104	tooltip => "You gained detailed knowledge about yourself",
		3105	},
		3106	"c/uptime" => {
		3107	id => "infobox",
		3108	title => "Uptime",
		3109	reply => undef,
		3110	tooltip => "How long the server has been running since last restart",
		3111	},
		3112	"c/mapinfo" => {
		3113	id => "infobox",
		3114	title => "Map Info",
		3115	reply => undef,
		3116	tooltip => "Information related to the maps",
		3117	},
		3118	"c/party" => {
		3119	id => "party",
		3120	title => "Party",
		3121	reply => "gsay ",
		3122	tooltip => "Messages and chat related to your party",
		3123	},
		3124	"c/death" => {
		3125	id => "death",
		3126	title => "Death",
		3127	reply => undef,
		3128	tooltip => "Reason for and more info about your most recent death",
		3129	},
		3130	"c/say" => $SAY_CHANNEL,
		3131	"c/chat" => $CHAT_CHANNEL,
		3132	);
		3133
		3134	sub cf::client::send_msg {
		3135	my ($self, $channel, $msg, $color, @extra) = @_;
		3136
		3137	$msg = $self->pl->expand_cfpod ($msg)
		3138	unless $color & cf::NDI_VERBATIM;
		3139
		3140	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3141
		3142	# check predefined channels, for the benefit of C
		3143	if ($CHANNEL{$channel}) {
		3144	$channel = $CHANNEL{$channel};
		3145
		3146	$self->ext_msg (channel_info => $channel);
		3147	$channel = $channel->{id};
		3148
		3149	} elsif (ref $channel) {
		3150	# send meta info to client, if not yet sent
		3151	unless (exists $self->{channel}{$channel->{id}}) {
		3152	$self->{channel}{$channel->{id}} = $channel;
		3153	$self->ext_msg (channel_info => $channel);
		3154	}
		3155
		3156	$channel = $channel->{id};
		3157	}
		3158
		3159	return unless @extra || length $msg;
		3160
		3161	# default colour, mask it out
		3162	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3163	if $color & cf::NDI_DEF;
		3164
		3165	my $pkt = "msg "
		3166	. $self->{json_coder}->encode (
		3167	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3168	);
		3169
		3170	$self->send_big_packet ($pkt);
		3171	}
		3172
2112	=item $client->ext_event ($type, %msg)	3173	=item $client->ext_msg ($type, @msg)
2113		3174
2114	Sends an exti event to the client.	3175	Sends an ext event to the client.
2115		3176
2116	=cut	3177	=cut
2117		3178
2118	sub cf::client::ext_event($$%) {	3179	sub cf::client::ext_msg($$@) {
2119	my ($self, $type, %msg) = @_;	3180	my ($self, $type, @msg) = @_;
2120		3181
		3182	if ($self->extcmd == 2) {
		3183	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3184	} elsif ($self->extcmd == 1) { # TODO: remove
2121	$msg{msgtype} = "event_$type";	3185	push @msg, msgtype => "event_$type";
2122	$self->send_packet ("ext " . cf::to_json \%msg);	3186	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3187	}
		3188	}
		3189
		3190	=item $client->ext_reply ($msgid, @msg)
		3191
		3192	Sends an ext reply to the client.
		3193
		3194	=cut
		3195
		3196	sub cf::client::ext_reply($$@) {
		3197	my ($self, $id, @msg) = @_;
		3198
		3199	if ($self->extcmd == 2) {
		3200	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3201	} elsif ($self->extcmd == 1) {
		3202	#TODO: version 1, remove
		3203	unshift @msg, msgtype => "reply", msgid => $id;
		3204	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3205	}
2123	}	3206	}
2124		3207
2125	=item $success = $client->query ($flags, "text", \&cb)	3208	=item $success = $client->query ($flags, "text", \&cb)
2126		3209
2127	Queues a query to the client, calling the given callback with	3210	Queues a query to the client, calling the given callback with
2128	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3211	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2129	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3212	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2130		3213
2131	Queries can fail, so check the return code. Or don't, as queries will become	3214	Queries can fail, so check the return code. Or don't, as queries will
2132	reliable at some point in the future.	3215	become reliable at some point in the future.
2133		3216
2134	=cut	3217	=cut
2135		3218
2136	sub cf::client::query {	3219	sub cf::client::query {
2137	my ($self, $flags, $text, $cb) = @_;	3220	my ($self, $flags, $text, $cb) = @_;
…		…
2145	utf8::encode $text;	3228	utf8::encode $text;
2146	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3229	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2147		3230
2148	$self->send_packet ($self->{query_queue}[0][0])	3231	$self->send_packet ($self->{query_queue}[0][0])
2149	if @{ $self->{query_queue} } == 1;	3232	if @{ $self->{query_queue} } == 1;
		3233
		3234	1
2150	}	3235	}
2151		3236
2152	cf::client->attach (	3237	cf::client->attach (
		3238	on_connect => sub {
		3239	my ($ns) = @_;
		3240
		3241	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3242	},
2153	on_reply => sub {	3243	on_reply => sub {
2154	my ($ns, $msg) = @_;	3244	my ($ns, $msg) = @_;
2155		3245
2156	# this weird shuffling is so that direct followup queries	3246	# this weird shuffling is so that direct followup queries
2157	# get handled first	3247	# get handled first
…		…
2169	} else {	3259	} else {
2170	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3260	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2171	}	3261	}
2172	}	3262	}
2173	},	3263	},
		3264	on_exticmd => sub {
		3265	my ($ns, $buf) = @_;
		3266
		3267	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3268
		3269	if (ref $msg) {
		3270	my ($type, $reply, @payload) =
		3271	"ARRAY" eq ref $msg
		3272	? @$msg
		3273	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3274
		3275	my @reply;
		3276
		3277	if (my $cb = $EXTICMD{$type}) {
		3278	@reply = $cb->($ns, @payload);
		3279	}
		3280
		3281	$ns->ext_reply ($reply, @reply)
		3282	if $reply;
		3283
		3284	} else {
		3285	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3286	}
		3287
		3288	cf::override;
		3289	},
2174	);	3290	);
2175		3291
2176	=item $client->async (\&cb)	3292	=item $client->async (\&cb)
2177		3293
2178	Create a new coroutine, running the specified callback. The coroutine will	3294	Create a new coroutine, running the specified callback. The coroutine will
…		…
2194		3310
2195	$coro	3311	$coro
2196	}	3312	}
2197		3313
2198	cf::client->attach (	3314	cf::client->attach (
2199	on_destroy => sub {	3315	on_client_destroy => sub {
2200	my ($ns) = @_;	3316	my ($ns) = @_;
2201		3317
2202	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3318	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2203	},	3319	},
2204	);	3320	);
…		…
2219	our $safe = new Safe "safe";	3335	our $safe = new Safe "safe";
2220	our $safe_hole = new Safe::Hole;	3336	our $safe_hole = new Safe::Hole;
2221		3337
2222	$SIG{FPE} = 'IGNORE';	3338	$SIG{FPE} = 'IGNORE';
2223		3339
2224	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3340	$safe->permit_only (Opcode::opset qw(
		3341	:base_core :base_mem :base_orig :base_math :base_loop
		3342	grepstart grepwhile mapstart mapwhile
		3343	sort time
		3344	));
2225		3345
2226	# here we export the classes and methods available to script code	3346	# here we export the classes and methods available to script code
2227		3347
2228	=pod	3348	=pod
2229		3349
2230	The following functions and methods are available within a safe environment:	3350	The following functions and methods are available within a safe environment:
2231		3351
2232	cf::object contr pay_amount pay_player map	3352	cf::object
		3353	contr pay_amount pay_player map x y force_find force_add destroy
		3354	insert remove name archname title slaying race decrease split
		3355	value
		3356
2233	cf::object::player player	3357	cf::object::player
2234	cf::player peaceful	3358	player
2235	cf::map trigger	3359
		3360	cf::player
		3361	peaceful
		3362
		3363	cf::map
		3364	trigger
2236		3365
2237	=cut	3366	=cut
2238		3367
2239	for (	3368	for (
2240	["cf::object" => qw(contr pay_amount pay_player map)],	3369	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3370	insert remove inv nrof name archname title slaying race
		3371	decrease split destroy change_exp value msg lore send_msg)],
2241	["cf::object::player" => qw(player)],	3372	["cf::object::player" => qw(player)],
2242	["cf::player" => qw(peaceful)],	3373	["cf::player" => qw(peaceful send_msg)],
2243	["cf::map" => qw(trigger)],	3374	["cf::map" => qw(trigger)],
2244	) {	3375	) {
2245	no strict 'refs';
2246	my ($pkg, @funs) = @$_;	3376	my ($pkg, @funs) = @$_;
2247	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3377	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2248	for @funs;	3378	for @funs;
2249	}	3379	}
2250		3380
…		…
2265		3395
2266	my $qcode = $code;	3396	my $qcode = $code;
2267	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3397	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2268	$qcode =~ s/\n/\\n/g;	3398	$qcode =~ s/\n/\\n/g;
2269		3399
		3400	%vars = (_dummy => 0) unless %vars;
		3401
		3402	my @res;
2270	local $_;	3403	local $_;
2271	local @safe::cf::_safe_eval_args = values %vars;
2272		3404
2273	my $eval =	3405	my $eval =
2274	"do {\n"	3406	"do {\n"
2275	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3407	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2276	. "#line 0 \"{$qcode}\"\n"	3408	. "#line 0 \"{$qcode}\"\n"
2277	. $code	3409	. $code
2278	. "\n}"	3410	. "\n}"
2279	;	3411	;
2280		3412
		3413	if ($CFG{safe_eval}) {
2281	sub_generation_inc;	3414	sub_generation_inc;
		3415	local @safe::cf::_safe_eval_args = values %vars;
2282	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3416	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2283	sub_generation_inc;	3417	sub_generation_inc;
		3418	} else {
		3419	local @cf::_safe_eval_args = values %vars;
		3420	@res = wantarray ? eval eval : scalar eval $eval;
		3421	}
2284		3422
2285	if ($@) {	3423	if ($@) {
2286	warn "$@";	3424	warn "$@",
2287	warn "while executing safe code '$code'\n";	3425	"while executing safe code '$code'\n",
2288	warn "with arguments " . (join " ", %vars) . "\n";	3426	"with arguments " . (join " ", %vars) . "\n";
2289	}	3427	}
2290		3428
2291	wantarray ? @res : $res[0]	3429	wantarray ? @res : $res[0]
2292	}	3430	}
2293		3431
…		…
2307	=cut	3445	=cut
2308		3446
2309	sub register_script_function {	3447	sub register_script_function {
2310	my ($fun, $cb) = @_;	3448	my ($fun, $cb) = @_;
2311		3449
2312	no strict 'refs';	3450	$fun = "safe::$fun" if $CFG{safe_eval};
2313	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3451	*$fun = $safe_hole->wrap ($cb);
2314	}	3452	}
2315		3453
2316	=back	3454	=back
2317		3455
2318	=cut	3456	=cut
2319
2320	#############################################################################
2321
2322	=head2 EXTENSION DATABASE SUPPORT
2323
2324	Crossfire maintains a very simple database for extension use. It can
2325	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2326	convert to/from binary).
2327
2328	The parameter C<$family> should best start with the name of the extension
2329	using it, it should be unique.
2330
2331	=over 4
2332
2333	=item $value = cf::db_get $family => $key
2334
2335	Returns a single value from the database.
2336
2337	=item cf::db_put $family => $key => $value
2338
2339	Stores the given C<$value> in the family.
2340
2341	=cut
2342
2343	our $DB;
2344
2345	sub db_init {
2346	unless ($DB) {
2347	$DB = BDB::db_create $DB_ENV;
2348
2349	cf::sync_job {
2350	eval {
2351	$DB->set_flags (BDB::CHKSUM);
2352
2353	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2354	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2355	cf::cleanup "db_open(db): $!" if $!;
2356	};
2357	cf::cleanup "db_open(db): $@" if $@;
2358	};
2359	}
2360	}
2361
2362	sub db_get($$) {
2363	my $key = "$_[0]/$_[1]";
2364
2365	cf::sync_job {
2366	BDB::db_get $DB, undef, $key, my $data;
2367
2368	$! ? ()
2369	: $data
2370	}
2371	}
2372
2373	sub db_put($$$) {
2374	BDB::dbreq_pri 4;
2375	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2376	}
2377
2378	=item cf::cache $id => [$paths...], $processversion => $process
2379
2380	Generic caching function that returns the value of the resource $id,
2381	caching and regenerating as required.
2382
2383	This function can block.
2384
2385	=cut
2386
2387	sub cache {
2388	my ($id, $src, $processversion, $process) = @_;
2389
2390	my $meta =
2391	join "\x00",
2392	$processversion,
2393	map {
2394	aio_stat $_
2395	and Carp::croak "$_: $!";
2396
2397	($_, (stat _)[7,9])
2398	} @$src;
2399
2400	my $dbmeta = db_get cache => "$id/meta";
2401	if ($dbmeta ne $meta) {
2402	# changed, we may need to process
2403
2404	my @data;
2405	my $md5;
2406
2407	for (0 .. $#$src) {
2408	0 <= aio_load $src->[$_], $data[$_]
2409	or Carp::croak "$src->[$_]: $!";
2410	}
2411
2412	# if processing is expensive, check
2413	# checksum first
2414	if (1) {
2415	$md5 =
2416	join "\x00",
2417	$processversion,
2418	map {
2419	Coro::cede;
2420	($src->[$_], Digest::MD5::md5_hex $data[$_])
2421	} 0.. $#$src;
2422
2423
2424	my $dbmd5 = db_get cache => "$id/md5";
2425	if ($dbmd5 eq $md5) {
2426	db_put cache => "$id/meta", $meta;
2427
2428	return db_get cache => "$id/data";
2429	}
2430	}
2431
2432	my $t1 = Time::HiRes::time;
2433	my $data = $process->(\@data);
2434	my $t2 = Time::HiRes::time;
2435
2436	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2437
2438	db_put cache => "$id/data", $data;
2439	db_put cache => "$id/md5" , $md5;
2440	db_put cache => "$id/meta", $meta;
2441
2442	return $data;
2443	}
2444
2445	db_get cache => "$id/data"
2446	}
2447
2448	=item fork_call { }, $args
2449
2450	Executes the given code block with the given arguments in a seperate
2451	process, returning the results. Everything must be serialisable with
2452	Coro::Storable. May, of course, block. Note that the executed sub may
2453	never block itself or use any form of Event handling.
2454
2455	=cut
2456
2457	sub fork_call(&@) {
2458	my ($cb, @args) = @_;
2459
2460	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2461	# or die "socketpair: $!";
2462	pipe my $fh1, my $fh2
2463	or die "pipe: $!";
2464
2465	if (my $pid = fork) {
2466	close $fh2;
2467
2468	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2469	$res = Coro::Storable::thaw $res;
2470
2471	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2472
2473	die $$res unless "ARRAY" eq ref $res;
2474
2475	return wantarray ? @$res : $res->[-1];
2476	} else {
2477	reset_signals;
2478	local $SIG{__WARN__};
2479	local $SIG{__DIE__};
2480	eval {
2481	close $fh1;
2482
2483	my @res = eval { $cb->(@args) };
2484	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2485	};
2486
2487	warn $@ if $@;
2488	_exit 0;
2489	}
2490	}
2491
2492
2493		3457
2494	#############################################################################	3458	#############################################################################
2495	# the server's init and main functions	3459	# the server's init and main functions
2496		3460
2497	sub load_facedata($) {	3461	sub load_facedata($) {
2498	my ($path) = @_;	3462	my ($path) = @_;
2499		3463
		3464	# HACK to clear player env face cache, we need some signal framework
		3465	# for this (global event?)
		3466	%ext::player_env::MUSIC_FACE_CACHE = ();
		3467
		3468	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3469
2500	warn "loading facedata from $path\n";	3470	trace "loading facedata from $path\n";
2501		3471
2502	my $facedata;	3472	my $facedata = decode_storable load_file $path;
2503	0 < aio_load $path, $facedata
2504	or die "$path: $!";
2505
2506	$facedata = Coro::Storable::thaw $facedata;
2507		3473
2508	$facedata->{version} == 2	3474	$facedata->{version} == 2
2509	or cf::cleanup "$path: version mismatch, cannot proceed.";	3475	or cf::cleanup "$path: version mismatch, cannot proceed.";
2510		3476
		3477	# patch in the exptable
		3478	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3479	$facedata->{resource}{"res/exp_table"} = {
		3480	type => FT_RSRC,
		3481	data => $exp_table,
		3482	hash => (Digest::MD5::md5 $exp_table),
		3483	};
		3484	cf::cede_to_tick;
		3485
2511	{	3486	{
2512	my $faces = $facedata->{faceinfo};	3487	my $faces = $facedata->{faceinfo};
2513		3488
2514	while (my ($face, $info) = each %$faces) {	3489	while (my ($face, $info) = each %$faces) {
2515	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3490	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3491
2516	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3492	cf::face::set_visibility $idx, $info->{visibility};
		3493	cf::face::set_magicmap $idx, $info->{magicmap};
2517	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3494	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2518	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3495	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2519	Coro::cede;	3496	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3497
		3498	cf::cede_to_tick;
2520	}	3499	}
2521		3500
2522	while (my ($face, $info) = each %$faces) {	3501	while (my ($face, $info) = each %$faces) {
2523	next unless $info->{smooth};	3502	next unless $info->{smooth};
		3503
2524	my $idx = cf::face::find $face	3504	my $idx = cf::face::find $face
2525	or next;	3505	or next;
		3506
2526	if (my $smooth = cf::face::find $info->{smooth}) {	3507	if (my $smooth = cf::face::find $info->{smooth}) {
		3508	cf::face::set_smooth $idx, $smooth;
2527	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3509	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2528	} else {	3510	} else {
2529	warn "smooth face '$info->{smooth}' not found for face '$face'";	3511	error "smooth face '$info->{smooth}' not found for face '$face'";
2530	}	3512	}
2531	Coro::cede;	3513
		3514	cf::cede_to_tick;
2532	}	3515	}
2533	}	3516	}
2534		3517
2535	{	3518	{
2536	my $anims = $facedata->{animinfo};	3519	my $anims = $facedata->{animinfo};
2537		3520
2538	while (my ($anim, $info) = each %$anims) {	3521	while (my ($anim, $info) = each %$anims) {
2539	cf::anim::set $anim, $info->{frames}, $info->{facings};	3522	cf::anim::set $anim, $info->{frames}, $info->{facings};
2540	Coro::cede;	3523	cf::cede_to_tick;
2541	}	3524	}
2542		3525
2543	cf::anim::invalidate_all; # d'oh	3526	cf::anim::invalidate_all; # d'oh
2544	}	3527	}
2545		3528
		3529	{
		3530	my $res = $facedata->{resource};
		3531
		3532	while (my ($name, $info) = each %$res) {
		3533	if (defined $info->{type}) {
		3534	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3535
		3536	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3537	cf::face::set_type $idx, $info->{type};
		3538	} else {
		3539	$RESOURCE{$name} = $info; # unused
		3540	}
		3541
		3542	cf::cede_to_tick;
		3543	}
		3544	}
		3545
		3546	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3547
2546	1	3548	1
2547	}	3549	}
2548		3550
		3551	register_exticmd fx_want => sub {
		3552	my ($ns, $want) = @_;
		3553
		3554	while (my ($k, $v) = each %$want) {
		3555	$ns->fx_want ($k, $v);
		3556	}
		3557	};
		3558
		3559	sub load_resource_file($) {
		3560	my $guard = lock_acquire "load_resource_file";
		3561
		3562	my $status = load_resource_file_ $_[0];
		3563	get_slot 0.1, 100;
		3564	cf::arch::commit_load;
		3565
		3566	$status
		3567	}
		3568
2549	sub reload_regions {	3569	sub reload_regions {
		3570	# HACK to clear player env face cache, we need some signal framework
		3571	# for this (global event?)
		3572	%ext::player_env::MUSIC_FACE_CACHE = ();
		3573
2550	load_resource_file "$MAPDIR/regions"	3574	load_resource_file "$MAPDIR/regions"
2551	or die "unable to load regions file\n";	3575	or die "unable to load regions file\n";
		3576
		3577	for (cf::region::list) {
		3578	$_->{match} = qr/$_->{match}/
		3579	if exists $_->{match};
		3580	}
2552	}	3581	}
2553		3582
2554	sub reload_facedata {	3583	sub reload_facedata {
2555	load_facedata "$DATADIR/facedata"	3584	load_facedata "$DATADIR/facedata"
2556	or die "unable to load facedata\n";	3585	or die "unable to load facedata\n";
…		…
2564	sub reload_treasures {	3593	sub reload_treasures {
2565	load_resource_file "$DATADIR/treasures"	3594	load_resource_file "$DATADIR/treasures"
2566	or die "unable to load treasurelists\n";	3595	or die "unable to load treasurelists\n";
2567	}	3596	}
2568		3597
		3598	sub reload_sound {
		3599	trace "loading sound config from $DATADIR/sound\n";
		3600
		3601	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3602
		3603	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3604	my $sound = $soundconf->{compat}[$_]
		3605	or next;
		3606
		3607	my $face = cf::face::find "sound/$sound->[1]";
		3608	cf::sound::set $sound->[0] => $face;
		3609	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3610	}
		3611
		3612	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3613	my $face = cf::face::find "sound/$v";
		3614	cf::sound::set $k => $face;
		3615	}
		3616	}
		3617
2569	sub reload_resources {	3618	sub reload_resources {
2570	warn "reloading resource files...\n";	3619	trace "reloading resource files...\n";
2571		3620
		3621	reload_exp_table;
		3622	reload_materials;
		3623	reload_facedata;
		3624	reload_sound;
		3625	reload_archetypes;
2572	reload_regions;	3626	reload_regions;
2573	reload_facedata;
2574	reload_archetypes;
2575	reload_treasures;	3627	reload_treasures;
2576		3628
2577	warn "finished reloading resource files\n";	3629	trace "finished reloading resource files\n";
2578	}	3630	}
2579		3631
2580	sub init {	3632	sub reload_config {
2581	reload_resources;	3633	trace "reloading config file...\n";
2582	}
2583		3634
2584	sub cfg_load {	3635	my $config = load_file "$CONFDIR/config";
2585	open my $fh, "<:utf8", "$CONFDIR/config"	3636	utf8::decode $config;
2586	or return;	3637	*CFG = decode_yaml $config;
2587		3638
2588	local $/;
2589	*CFG = YAML::Syck::Load <$fh>;
2590
2591	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3639	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2592		3640
2593	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3641	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2594	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3642	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2595		3643
2596	if (exists $CFG{mlockall}) {	3644	if (exists $CFG{mlockall}) {
…		…
2600	};	3648	};
2601	warn $@ if $@;	3649	warn $@ if $@;
2602	}	3650	}
2603	}	3651	}
2604		3652
		3653	sub pidfile() {
		3654	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3655	or die "$PIDFILE: $!";
		3656	flock $fh, &Fcntl::LOCK_EX
		3657	or die "$PIDFILE: flock: $!";
		3658	$fh
		3659	}
		3660
		3661	# make sure only one server instance is running at any one time
		3662	sub atomic {
		3663	my $fh = pidfile;
		3664
		3665	my $pid = <$fh>;
		3666	kill 9, $pid if $pid > 0;
		3667
		3668	seek $fh, 0, 0;
		3669	print $fh $$;
		3670	}
		3671
		3672	sub main_loop {
		3673	trace "EV::loop starting\n";
		3674	if (1) {
		3675	EV::loop;
		3676	}
		3677	trace "EV::loop returned\n";
		3678	goto &main_loop unless $REALLY_UNLOOP;
		3679	}
		3680
2605	sub main {	3681	sub main {
		3682	cf::init_globals; # initialise logging
		3683
		3684	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3685	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3686	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3687	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3688
		3689	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3690
2606	# we must not ever block the main coroutine	3691	# we must not ever block the main coroutine
2607	local $Coro::idle = sub {	3692	local $Coro::idle = sub {
2608	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3693	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2609	(async {	3694	(async {
2610	Event::one_event;	3695	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3696	EV::loop EV::LOOP_ONESHOT;
2611	})->prio (Coro::PRIO_MAX);	3697	})->prio (Coro::PRIO_MAX);
2612	};	3698	};
2613		3699
2614	cfg_load;	3700	evthread_start IO::AIO::poll_fileno;
		3701
		3702	cf::sync_job {
		3703	cf::incloader::init ();
		3704
		3705	cf::init_anim;
		3706	cf::init_attackmess;
		3707	cf::init_dynamic;
		3708
		3709	cf::load_settings;
		3710
		3711	reload_resources;
		3712	reload_config;
2615	db_init;	3713	db_init;
		3714
		3715	cf::init_uuid;
		3716	cf::init_signals;
		3717	cf::init_skills;
		3718
		3719	cf::init_beforeplay;
		3720
		3721	atomic;
		3722
2616	load_extensions;	3723	load_extensions;
2617		3724
2618	$TICK_WATCHER->start;	3725	utime time, time, $RUNTIMEFILE;
2619	Event::loop;	3726
		3727	# no (long-running) fork's whatsoever before this point(!)
		3728	use POSIX ();
		3729	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3730
		3731	cf::_post_init 0;
		3732	};
		3733
		3734	cf::object::thawer::errors_are_fatal 0;
		3735	info "parse errors in files are no longer fatal from this point on.\n";
		3736
		3737	my $free_main; $free_main = EV::idle sub {
		3738	undef $free_main;
		3739	undef &main; # free gobs of memory :)
		3740	};
		3741
		3742	goto &main_loop;
2620	}	3743	}
2621		3744
2622	#############################################################################	3745	#############################################################################
2623	# initialisation and cleanup	3746	# initialisation and cleanup
2624		3747
2625	# install some emergency cleanup handlers	3748	# install some emergency cleanup handlers
2626	BEGIN {	3749	BEGIN {
		3750	our %SIGWATCHER = ();
2627	for my $signal (qw(INT HUP TERM)) {	3751	for my $signal (qw(INT HUP TERM)) {
2628	Event->signal (	3752	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2629	reentrant => 0,
2630	data => WF_AUTOCANCEL,
2631	signal => $signal,
2632	prio => 0,
2633	cb => sub {
2634	cf::cleanup "SIG$signal";	3753	cf::cleanup "SIG$signal";
2635	},
2636	);	3754	};
		3755	}
		3756	}
		3757
		3758	sub write_runtime_sync {
		3759	my $t0 = AE::time;
		3760
		3761	# first touch the runtime file to show we are still running:
		3762	# the fsync below can take a very very long time.
		3763
		3764	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3765
		3766	my $guard = cf::lock_acquire "write_runtime";
		3767
		3768	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3769	or return;
		3770
		3771	my $value = $cf::RUNTIME + 90 + 10;
		3772	# 10 is the runtime save interval, for a monotonic clock
		3773	# 60 allows for the watchdog to kill the server.
		3774
		3775	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3776	and return;
		3777
		3778	# always fsync - this file is important
		3779	aio_fsync $fh
		3780	and return;
		3781
		3782	# touch it again to show we are up-to-date
		3783	aio_utime $fh, undef, undef;
		3784
		3785	close $fh
		3786	or return;
		3787
		3788	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3789	and return;
		3790
		3791	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3792
2637	}	3793	1
		3794	}
		3795
		3796	our $uuid_lock;
		3797	our $uuid_skip;
		3798
		3799	sub write_uuid_sync($) {
		3800	$uuid_skip ||= $_[0];
		3801
		3802	return if $uuid_lock;
		3803	local $uuid_lock = 1;
		3804
		3805	my $uuid = "$LOCALDIR/uuid";
		3806
		3807	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3808	or return;
		3809
		3810	my $value = uuid_seq uuid_cur;
		3811
		3812	unless ($value) {
		3813	info "cowardly refusing to write zero uuid value!\n";
		3814	return;
		3815	}
		3816
		3817	my $value = uuid_str $value + $uuid_skip;
		3818	$uuid_skip = 0;
		3819
		3820	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3821	and return;
		3822
		3823	# always fsync - this file is important
		3824	aio_fsync $fh
		3825	and return;
		3826
		3827	close $fh
		3828	or return;
		3829
		3830	aio_rename "$uuid~", $uuid
		3831	and return;
		3832
		3833	trace "uuid file written ($value).\n";
		3834
		3835	1
		3836
		3837	}
		3838
		3839	sub write_uuid($$) {
		3840	my ($skip, $sync) = @_;
		3841
		3842	$sync ? write_uuid_sync $skip
		3843	: async { write_uuid_sync $skip };
2638	}	3844	}
2639		3845
2640	sub emergency_save() {	3846	sub emergency_save() {
2641	my $freeze_guard = cf::freeze_mainloop;	3847	my $freeze_guard = cf::freeze_mainloop;
2642		3848
2643	warn "enter emergency perl save\n";	3849	info "emergency_perl_save: enter\n";
		3850
		3851	# this is a trade-off: we want to be very quick here, so
		3852	# save all maps without fsync, and later call a global sync
		3853	# (which in turn might be very very slow)
		3854	local $USE_FSYNC = 0;
2644		3855
2645	cf::sync_job {	3856	cf::sync_job {
		3857	cf::write_runtime_sync; # external watchdog should not bark
		3858
2646	# use a peculiar iteration method to avoid tripping on perl	3859	# use a peculiar iteration method to avoid tripping on perl
2647	# refcount bugs in for. also avoids problems with players	3860	# refcount bugs in for. also avoids problems with players
2648	# and maps saved/destroyed asynchronously.	3861	# and maps saved/destroyed asynchronously.
2649	warn "begin emergency player save\n";	3862	info "emergency_perl_save: begin player save\n";
2650	for my $login (keys %cf::PLAYER) {	3863	for my $login (keys %cf::PLAYER) {
2651	my $pl = $cf::PLAYER{$login} or next;	3864	my $pl = $cf::PLAYER{$login} or next;
2652	$pl->valid or next;	3865	$pl->valid or next;
		3866	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2653	$pl->save;	3867	$pl->save;
2654	}	3868	}
2655	warn "end emergency player save\n";	3869	info "emergency_perl_save: end player save\n";
2656		3870
2657	warn "begin emergency map save\n";	3871	cf::write_runtime_sync; # external watchdog should not bark
		3872
		3873	info "emergency_perl_save: begin map save\n";
2658	for my $path (keys %cf::MAP) {	3874	for my $path (keys %cf::MAP) {
2659	my $map = $cf::MAP{$path} or next;	3875	my $map = $cf::MAP{$path} or next;
2660	$map->valid or next;	3876	$map->valid or next;
2661	$map->save;	3877	$map->save;
2662	}	3878	}
2663	warn "end emergency map save\n";	3879	info "emergency_perl_save: end map save\n";
2664		3880
2665	warn "begin emergency database checkpoint\n";	3881	cf::write_runtime_sync; # external watchdog should not bark
		3882
		3883	info "emergency_perl_save: begin database checkpoint\n";
2666	BDB::db_env_txn_checkpoint $DB_ENV;	3884	BDB::db_env_txn_checkpoint $DB_ENV;
2667	warn "end emergency database checkpoint\n";	3885	info "emergency_perl_save: end database checkpoint\n";
		3886
		3887	info "emergency_perl_save: begin write uuid\n";
		3888	write_uuid_sync 1;
		3889	info "emergency_perl_save: end write uuid\n";
		3890
		3891	cf::write_runtime_sync; # external watchdog should not bark
		3892
		3893	trace "emergency_perl_save: syncing database to disk";
		3894	BDB::db_env_txn_checkpoint $DB_ENV;
		3895
		3896	info "emergency_perl_save: starting sync\n";
		3897	IO::AIO::aio_sync sub {
		3898	info "emergency_perl_save: finished sync\n";
		3899	};
		3900
		3901	cf::write_runtime_sync; # external watchdog should not bark
		3902
		3903	trace "emergency_perl_save: flushing outstanding aio requests";
		3904	while (IO::AIO::nreqs || BDB::nreqs) {
		3905	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3906	}
		3907
		3908	cf::write_runtime_sync; # external watchdog should not bark
2668	};	3909	};
2669		3910
2670	warn "leave emergency perl save\n";	3911	info "emergency_perl_save: leave\n";
2671	}	3912	}
2672		3913
2673	sub post_cleanup {	3914	sub post_cleanup {
2674	my ($make_core) = @_;	3915	my ($make_core) = @_;
2675		3916
		3917	IO::AIO::flush;
		3918
2676	warn Carp::longmess "post_cleanup backtrace"	3919	error Carp::longmess "post_cleanup backtrace"
2677	if $make_core;	3920	if $make_core;
		3921
		3922	my $fh = pidfile;
		3923	unlink $PIDFILE if <$fh> == $$;
		3924	}
		3925
		3926	# a safer delete_package, copied from Symbol
		3927	sub clear_package($) {
		3928	my $pkg = shift;
		3929
		3930	# expand to full symbol table name if needed
		3931	unless ($pkg =~ /^main::.*::$/) {
		3932	$pkg = "main$pkg" if $pkg =~ /^::/;
		3933	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3934	$pkg .= '::' unless $pkg =~ /::$/;
		3935	}
		3936
		3937	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3938	my $stem_symtab = *{$stem}{HASH};
		3939
		3940	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3941	or return;
		3942
		3943	# clear all symbols
		3944	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3945	for my $name (keys %$leaf_symtab) {
		3946	_gv_clear *{"$pkg$name"};
		3947	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3948	}
2678	}	3949	}
2679		3950
2680	sub do_reload_perl() {	3951	sub do_reload_perl() {
2681	# can/must only be called in main	3952	# can/must only be called in main
2682	if ($Coro::current != $Coro::main) {	3953	unless (in_main) {
2683	warn "can only reload from main coroutine";	3954	error "can only reload from main coroutine";
2684	return;	3955	return;
2685	}	3956	}
2686		3957
2687	warn "reloading...";	3958	return if $RELOAD++;
2688		3959
2689	warn "entering sync_job";	3960	my $t1 = AE::time;
2690		3961
		3962	while ($RELOAD) {
		3963	cf::get_slot 0.1, -1, "reload_perl";
		3964	info "perl_reload: reloading...";
		3965
		3966	trace "perl_reload: entering sync_job";
		3967
2691	cf::sync_job {	3968	cf::sync_job {
2692	cf::write_runtime; # external watchdog should not bark
2693	cf::emergency_save;	3969	#cf::emergency_save;
2694	cf::write_runtime; # external watchdog should not bark
2695		3970
2696	warn "syncing database to disk";
2697	BDB::db_env_txn_checkpoint $DB_ENV;
2698
2699	# if anything goes wrong in here, we should simply crash as we already saved
2700
2701	warn "cancelling all WF_AUTOCANCEL watchers";
2702	for (Event::all_watchers) {
2703	$_->cancel if $_->data & WF_AUTOCANCEL;
2704	}
2705
2706	warn "flushing outstanding aio requests";
2707	for (;;) {
2708	BDB::flush;
2709	IO::AIO::flush;
2710	Coro::cede;
2711	last unless IO::AIO::nreqs || BDB::nreqs;
2712	warn "iterate...";
2713	}
2714
2715	++$RELOAD;
2716
2717	warn "cancelling all extension coros";	3971	trace "perl_reload: cancelling all extension coros";
2718	$_->cancel for values %EXT_CORO;	3972	$_->cancel for values %EXT_CORO;
2719	%EXT_CORO = ();	3973	%EXT_CORO = ();
2720		3974
2721	warn "removing commands";	3975	trace "perl_reload: removing commands";
2722	%COMMAND = ();	3976	%COMMAND = ();
2723		3977
2724	warn "removing ext commands";	3978	trace "perl_reload: removing ext/exti commands";
2725	%EXTCMD = ();	3979	%EXTCMD = ();
		3980	%EXTICMD = ();
2726		3981
2727	warn "unloading/nuking all extensions";	3982	trace "perl_reload: unloading/nuking all extensions";
2728	for my $pkg (@EXTS) {	3983	for my $pkg (@EXTS) {
2729	warn "... unloading $pkg";	3984	trace "... unloading $pkg";
2730		3985
2731	if (my $cb = $pkg->can ("unload")) {	3986	if (my $cb = $pkg->can ("unload")) {
2732	eval {	3987	eval {
2733	$cb->($pkg);	3988	$cb->($pkg);
2734	1	3989	1
2735	} or warn "$pkg unloaded, but with errors: $@";	3990	} or error "$pkg unloaded, but with errors: $@";
		3991	}
		3992
		3993	trace "... clearing $pkg";
		3994	clear_package $pkg;
2736	}	3995	}
2737		3996
2738	warn "... nuking $pkg";
2739	Symbol::delete_package $pkg;
2740	}
2741
2742	warn "unloading all perl modules loaded from $LIBDIR";	3997	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2743	while (my ($k, $v) = each %INC) {	3998	while (my ($k, $v) = each %INC) {
2744	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3999	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2745		4000
2746	warn "... unloading $k";	4001	trace "... unloading $k";
2747	delete $INC{$k};	4002	delete $INC{$k};
2748		4003
2749	$k =~ s/\.pm$//;	4004	$k =~ s/\.pm$//;
2750	$k =~ s/\//::/g;	4005	$k =~ s/\//::/g;
2751		4006
2752	if (my $cb = $k->can ("unload_module")) {	4007	if (my $cb = $k->can ("unload_module")) {
2753	$cb->();	4008	$cb->();
		4009	}
		4010
		4011	clear_package $k;
2754	}	4012	}
2755		4013
2756	Symbol::delete_package $k;
2757	}
2758
2759	warn "getting rid of safe::, as good as possible";	4014	trace "perl_reload: getting rid of safe::, as good as possible";
2760	Symbol::delete_package "safe::$_"	4015	clear_package "safe::$_"
2761	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4016	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2762		4017
2763	warn "unloading cf.pm \"a bit\"";	4018	trace "perl_reload: unloading cf.pm \"a bit\"";
2764	delete $INC{"cf.pm"};	4019	delete $INC{"cf.pm"};
2765	delete $INC{"cf/pod.pm"};	4020	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2766		4021
2767	# don't, removes xs symbols, too,	4022	# don't, removes xs symbols, too,
2768	# and global variables created in xs	4023	# and global variables created in xs
2769	#Symbol::delete_package __PACKAGE__;	4024	#clear_package __PACKAGE__;
2770		4025
2771	warn "unload completed, starting to reload now";	4026	info "perl_reload: unload completed, starting to reload now";
2772		4027
2773	warn "reloading cf.pm";	4028	trace "perl_reload: reloading cf.pm";
2774	require cf;	4029	require cf;
2775	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4030	cf::_connect_to_perl_1;
2776		4031
2777	warn "loading config and database again";	4032	trace "perl_reload: loading config and database again";
2778	cf::cfg_load;	4033	cf::reload_config;
2779		4034
2780	warn "loading extensions";	4035	trace "perl_reload: loading extensions";
2781	cf::load_extensions;	4036	cf::load_extensions;
2782		4037
		4038	if ($REATTACH_ON_RELOAD) {
2783	warn "reattaching attachments to objects/players";	4039	trace "perl_reload: reattaching attachments to objects/players";
2784	_global_reattach; # objects, sockets	4040	_global_reattach; # objects, sockets
2785	warn "reattaching attachments to maps";	4041	trace "perl_reload: reattaching attachments to maps";
2786	reattach $_ for values %MAP;	4042	reattach $_ for values %MAP;
2787	warn "reattaching attachments to players";	4043	trace "perl_reload: reattaching attachments to players";
2788	reattach $_ for values %PLAYER;	4044	reattach $_ for values %PLAYER;
		4045	}
2789		4046
2790	warn "leaving sync_job";	4047	cf::_post_init 1;
2791		4048
		4049	trace "perl_reload: leaving sync_job";
		4050
2792	1	4051	1
2793	} or do {	4052	} or do {
2794	warn $@;	4053	error $@;
2795	warn "error while reloading, exiting.";	4054	cf::cleanup "perl_reload: error, exiting.";
2796	exit 1;	4055	};
		4056
		4057	--$RELOAD;
2797	};	4058	}
2798		4059
2799	warn "reloaded";	4060	$t1 = AE::time - $t1;
		4061	info "perl_reload: completed in ${t1}s\n";
2800	};	4062	};
2801		4063
2802	our $RELOAD_WATCHER; # used only during reload	4064	our $RELOAD_WATCHER; # used only during reload
2803		4065
2804	sub reload_perl() {	4066	sub reload_perl() {
2805	# doing reload synchronously and two reloads happen back-to-back,	4067	# doing reload synchronously and two reloads happen back-to-back,
2806	# coro crashes during coro_state_free->destroy here.	4068	# coro crashes during coro_state_free->destroy here.
2807		4069
2808	$RELOAD_WATCHER ||= Event->timer (	4070	$RELOAD_WATCHER ||= cf::async {
2809	reentrant => 0,	4071	Coro::AIO::aio_wait cache_extensions;
2810	after => 0,	4072
2811	data => WF_AUTOCANCEL,	4073	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2812	cb => sub {
2813	do_reload_perl;	4074	do_reload_perl;
2814	undef $RELOAD_WATCHER;	4075	undef $RELOAD_WATCHER;
2815	},	4076	};
2816	);	4077	};
2817	}	4078	}
2818		4079
2819	register_command "reload" => sub {	4080	register_command "reload" => sub {
2820	my ($who, $arg) = @_;	4081	my ($who, $arg) = @_;
2821		4082
2822	if ($who->flag (FLAG_WIZ)) {	4083	if ($who->flag (FLAG_WIZ)) {
2823	$who->message ("reloading server.");	4084	$who->message ("reloading server.");
		4085	async {
		4086	$Coro::current->{desc} = "perl_reload";
2824	async { reload_perl };	4087	reload_perl;
		4088	};
2825	}	4089	}
2826	};	4090	};
2827		4091
2828	unshift @INC, $LIBDIR;	4092	#############################################################################
2829		4093
2830	my $bug_warning = 0;	4094	my $bug_warning = 0;
2831		4095
2832	our @WAIT_FOR_TICK;	4096	our @WAIT_FOR_TICK;
2833	our @WAIT_FOR_TICK_BEGIN;	4097	our @WAIT_FOR_TICK_BEGIN;
2834		4098
2835	sub wait_for_tick {	4099	sub wait_for_tick() {
2836	return unless $TICK_WATCHER->is_active;
2837	return if $Coro::current == $Coro::main;	4100	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2838		4101
2839	my $signal = new Coro::Signal;	4102	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK, $signal;	4103	push @WAIT_FOR_TICK, $signal;
2841	$signal->wait;	4104	$signal->wait;
2842	}	4105	}
2843		4106
2844	sub wait_for_tick_begin {	4107	sub wait_for_tick_begin() {
2845	return unless $TICK_WATCHER->is_active;
2846	return if $Coro::current == $Coro::main;	4108	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2847		4109
2848	my $signal = new Coro::Signal;	4110	my $signal = new Coro::Signal;
2849	push @WAIT_FOR_TICK_BEGIN, $signal;	4111	push @WAIT_FOR_TICK_BEGIN, $signal;
2850	$signal->wait;	4112	$signal->wait;
2851	}	4113	}
2852		4114
2853	$TICK_WATCHER = Event->timer (	4115	sub tick {
2854	reentrant => 0,
2855	parked => 1,
2856	prio => 0,
2857	at => $NEXT_TICK || $TICK,
2858	data => WF_AUTOCANCEL,
2859	cb => sub {
2860	if ($Coro::current != $Coro::main) {	4116	if ($Coro::current != $Coro::main) {
2861	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4117	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2862	unless ++$bug_warning > 10;	4118	unless ++$bug_warning > 10;
2863	return;	4119	return;
2864	}	4120	}
2865		4121
2866	$NOW = $tick_start = Event::time;
2867
2868	cf::server_tick; # one server iteration	4122	cf::server_tick; # one server iteration
2869		4123
2870	$RUNTIME += $TICK;	4124	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2871	$NEXT_TICK += $TICK;
2872		4125
2873	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4126	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2874	$NEXT_RUNTIME_WRITE = $NOW + 10;	4127	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2875	Coro::async_pool {	4128	Coro::async_pool {
		4129	$Coro::current->{desc} = "runtime saver";
2876	write_runtime	4130	write_runtime_sync
2877	or warn "ERROR: unable to write runtime file: $!";	4131	or error "ERROR: unable to write runtime file: $!";
2878	};
2879	}	4132	};
		4133	}
2880		4134
2881	# my $AFTER = Event::time;
2882	# warn $AFTER - $NOW;#d#
2883
2884	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4135	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2885	$sig->send;	4136	$sig->send;
2886	}	4137	}
2887	while (my $sig = shift @WAIT_FOR_TICK) {	4138	while (my $sig = shift @WAIT_FOR_TICK) {
2888	$sig->send;	4139	$sig->send;
2889	}	4140	}
2890		4141
2891	$NOW = Event::time;	4142	$LOAD = ($NOW - $TICK_START) / $TICK;
2892
2893	# if we are delayed by four ticks or more, skip them all
2894	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2895
2896	$TICK_WATCHER->at ($NEXT_TICK);
2897	$TICK_WATCHER->start;
2898
2899	$LOAD = ($NOW - $tick_start) / $TICK;
2900	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4143	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2901		4144
2902	_post_tick;	4145	if (0) {
2903		4146	if ($NEXT_TICK) {
2904		4147	my $jitter = $TICK_START - $NEXT_TICK;
		4148	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4149	debug "jitter $JITTER\n";#d#
		4150	}
2905	},	4151	}
2906	);	4152	}
2907		4153
2908	{	4154	{
2909	BDB::max_poll_time $TICK * 0.1;	4155	# configure BDB
2910	$BDB_POLL_WATCHER = Event->io (	4156
2911	reentrant => 0,
2912	fd => BDB::poll_fileno,
2913	poll => 'r',
2914	prio => 0,
2915	data => WF_AUTOCANCEL,
2916	cb => \&BDB::poll_cb,
2917	);
2918	BDB::min_parallel 8;	4157	BDB::min_parallel 16;
2919		4158	BDB::max_poll_reqs $TICK * 0.1;
2920	BDB::set_sync_prepare {	4159	$AnyEvent::BDB::WATCHER->priority (1);
2921	my $status;
2922	my $current = $Coro::current;
2923	(
2924	sub {
2925	$status = $!;
2926	$current->ready; undef $current;
2927	},
2928	sub {
2929	Coro::schedule while defined $current;
2930	$! = $status;
2931	},
2932	)
2933	};
2934		4160
2935	unless ($DB_ENV) {	4161	unless ($DB_ENV) {
2936	$DB_ENV = BDB::db_env_create;	4162	$DB_ENV = BDB::db_env_create;
		4163	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4164	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4165	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4166	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4167	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2937		4168
2938	cf::sync_job {	4169	cf::sync_job {
2939	eval {	4170	eval {
2940	BDB::db_env_open	4171	BDB::db_env_open
2941	$DB_ENV,	4172	$DB_ENV,
…		…
2943	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4174	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2944	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4175	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2945	0666;	4176	0666;
2946		4177
2947	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4178	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2948
2949	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2950	$DB_ENV->set_lk_detect;
2951	};	4179	};
2952		4180
2953	cf::cleanup "db_env_open(db): $@" if $@;	4181	cf::cleanup "db_env_open(db): $@" if $@;
2954	};	4182	};
2955	}	4183	}
		4184
		4185	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4186	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4187	};
		4188	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4189	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4190	};
		4191	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4192	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4193	};
2956	}	4194	}
2957		4195
2958	{	4196	{
		4197	# configure IO::AIO
		4198
2959	IO::AIO::min_parallel 8;	4199	IO::AIO::min_parallel 8;
2960
2961	undef $Coro::AIO::WATCHER;
2962	IO::AIO::max_poll_time $TICK * 0.1;	4200	IO::AIO::max_poll_time $TICK * 0.1;
2963	$AIO_POLL_WATCHER = Event->io (	4201	undef $AnyEvent::AIO::WATCHER;
2964	reentrant => 0,
2965	data => WF_AUTOCANCEL,
2966	fd => IO::AIO::poll_fileno,
2967	poll => 'r',
2968	prio => 6,
2969	cb => \&IO::AIO::poll_cb,
2970	);
2971	}	4202	}
2972		4203
2973	my $_log_backtrace;	4204	our $_log_backtrace;
		4205	our $_log_backtrace_last;
2974		4206
2975	sub _log_backtrace {	4207	sub _log_backtrace {
2976	my ($msg, @addr) = @_;	4208	my ($msg, @addr) = @_;
2977		4209
2978	$msg =~ s/\n//;	4210	$msg =~ s/\n$//;
2979		4211
		4212	if ($_log_backtrace_last eq $msg) {
		4213	LOG llevInfo, "[ABT] $msg\n";
		4214	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2980	# limit the # of concurrent backtraces	4215	# limit the # of concurrent backtraces
2981	if ($_log_backtrace < 2) {	4216	} elsif ($_log_backtrace < 2) {
		4217	$_log_backtrace_last = $msg;
2982	++$_log_backtrace;	4218	++$_log_backtrace;
		4219	my $perl_bt = Carp::longmess $msg;
2983	async {	4220	async {
		4221	$Coro::current->{desc} = "abt $msg";
		4222
2984	my @bt = fork_call {	4223	my @bt = fork_call {
2985	@addr = map { sprintf "%x", $_ } @addr;	4224	@addr = map { sprintf "%x", $_ } @addr;
2986	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4225	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2987	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4226	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2988	or die "addr2line: $!";	4227	or die "addr2line: $!";
…		…
2996	}	4235	}
2997		4236
2998	@funcs	4237	@funcs
2999	};	4238	};
3000		4239
3001	LOG llevInfo, "[ABT] $msg\n";	4240	LOG llevInfo, "[ABT] $perl_bt\n";
		4241	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3002	LOG llevInfo, "[ABT] $_\n" for @bt;	4242	LOG llevInfo, "[ABT] $_\n" for @bt;
3003	--$_log_backtrace;	4243	--$_log_backtrace;
3004	};	4244	};
3005	} else {	4245	} else {
3006	LOG llevInfo, "[ABT] $msg\n";	4246	LOG llevInfo, "[ABT] $msg\n";
3007	LOG llevInfo, "[ABT] [suppressed]\n";	4247	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3008	}	4248	}
3009	}	4249	}
3010		4250
3011	# load additional modules	4251	# load additional modules
3012	use cf::pod;	4252	require "cf/$_.pm" for @EXTRA_MODULES;
		4253	cf::_connect_to_perl_2;
3013		4254
3014	END { cf::emergency_save }	4255	END { cf::emergency_save }
3015		4256
3016	1	4257	1
3017		4258

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