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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 1.570 by root, Wed May 4 07:41:14 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->state == cf::MAP_SWAPPED;
1537
1538	$self->in_memory (cf::MAP_LOADING);
1539		2177
1540	$self->alloc;	2178	$self->alloc;
1541		2179
1542	$self->pre_load;	2180	$self->pre_load;
1543	Coro::cede;	2181	cf::cede_to_tick;
1544		2182
1545	$self->_load_objects ($self->{load_path}, 1)	2183	if (exists $self->{load_path}) {
		2184	my $f = new_from_file cf::object::thawer $self->{load_path};
		2185	$f->skip_block;
		2186	$self->_load_objects ($f)
1546	or return;	2187	or return;
1547		2188
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2189	$self->post_load_original
1549	if delete $self->{load_original};	2190	if delete $self->{load_original};
1550		2191
1551	if (my $uniq = $self->uniq_path) {	2192	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2193	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2194	unless (aio_stat $uniq) {
		2195	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2196	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2197	$self->_load_objects ($f);
		2198	$f->resolve_delayed_derefs;
		2199	}
		2200	}
1556	}	2201	}
1557	}
1558		2202
1559	Coro::cede;	2203	$f->resolve_delayed_derefs;
		2204	} else {
		2205	$self->post_load_original
		2206	if delete $self->{load_original};
		2207	}
		2208
		2209	$self->state (cf::MAP_INACTIVE);
		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;	2223	#$self->activate; # no longer activate maps automatically
1572	Coro::cede;
1573	$self->activate;
1574	}	2224	}
1575		2225
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2226	$self->{last_save} = $cf::RUNTIME;
		2227	$self->last_access ($cf::RUNTIME);
1577	}	2228	}
1578		2229
1579	$self->post_load;	2230	$self->post_load;
1580	}
1581		2231
		2232	1
		2233	}
		2234
		2235	# customize the map for a given player, i.e.
		2236	# return the _real_ map. used by e.g. per-player
		2237	# maps to change the path to ~playername/mappath
1582	sub customise_for {	2238	sub customise_for {
1583	my ($self, $ob) = @_;	2239	my ($self, $ob) = @_;
1584		2240
1585	return find "~" . $ob->name . "/" . $self->{path}	2241	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2242	if $self->per_player;
1587		2243
		2244	# return find "?party/" . $ob->name . "/" . $self->{path}
		2245	# if $self->per_party;
		2246
1588	$self	2247	$self
1589	}	2248	}
1590		2249
1591	# find and load all maps in the 3x3 area around a map	2250	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	2251	sub load_neighbours {
1593	my ($map) = @_;	2252	my ($map) = @_;
1594		2253
1595	my @diag; # diagonal neighbours	2254	my @neigh; # diagonal neighbours
1596		2255
1597	for (0 .. 3) {	2256	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	2257	my $neigh = $map->tile_path ($_)
1599	or next;	2258	or next;
1600	$neigh = find $neigh, $map	2259	$neigh = find $neigh, $map
1601	or next;	2260	or next;
1602	$neigh->load;	2261	$neigh->load;
1603		2262
		2263	# now find the diagonal neighbours
		2264	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2265	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2266	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2267	}
1607		2268
1608	for (@diag) {	2269	for (grep defined $_->[0], @neigh) {
		2270	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2271	my $neigh = find $path, $origin
1610	or next;	2272	or next;
1611	$neigh->load;	2273	$neigh->load;
1612	}	2274	}
1613	}	2275	}
1614		2276
1615	sub find_sync {	2277	sub find_sync {
1616	my ($path, $origin) = @_;	2278	my ($path, $origin) = @_;
1617		2279
1618	cf::sync_job { find $path, $origin }	2280	# it's a bug to call this from the main context
		2281	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2282	if $Coro::current == $Coro::main;
		2283
		2284	find $path, $origin
1619	}	2285	}
1620		2286
1621	sub do_load_sync {	2287	sub do_load_sync {
1622	my ($map) = @_;	2288	my ($map) = @_;
1623		2289
1624	cf::sync_job { $map->load };	2290	# it's a bug to call this from the main context
		2291	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2292	if $Coro::current == $Coro::main;
		2293
		2294	$map->load;
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->linkable;
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->linkable;
		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->state (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->state (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}) {
1736	my $uniq = $self->uniq_path; utf8::encode $uniq;	2422	my $uniq = $self->uniq_path; utf8::encode $uniq;
1737		2423
…		…
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 $exit->slaying eq "/!"; # need to re-check after getting the lock
		2937
		2938	$map = $exit->slaying;
		2939
		2940	} elsif ($slaying eq '!up') {
		2941	$map = $exit->map->tile_path (cf::TILE_UP);
		2942	$x = $exit->x;
		2943	$y = $exit->y;
		2944
		2945	} elsif ($slaying eq '!down') {
		2946	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2947	$x = $exit->x;
		2948	$y = $exit->y;
		2949	}
		2950
2079	$self->goto ($slaying, $hp, $sp);	2951	$self->goto ($map, $x, $y);
2080		2952
		2953	# if exit is damned, update players death & WoR home-position
		2954	$self->contr->savebed ($map, $x, $y)
		2955	if $exit->flag (cf::FLAG_DAMNED);
		2956
2081	1;	2957	1
2082	}) {	2958	}) {
2083	$self->message ("Something went wrong deep within the crossfire server. "	2959	$self->message ("Something went wrong deep within the deliantra server. "
2084	. "I'll try to bring you back to the map you were before. "	2960	. "I'll try to bring you back to the map you were before. "
2085	. "Please report this to the dungeon master!",	2961	. "Please report this to the dungeon master!",
2086	cf::NDI_UNIQUE | cf::NDI_RED);	2962	cf::NDI_UNIQUE | cf::NDI_RED);
2087		2963
2088	warn "ERROR in enter_exit: $@";	2964	error "ERROR in enter_exit: $@";
2089	$self->leave_link;	2965	$self->leave_link;
2090	}	2966	}
2091	})->prio (1);	2967	})->prio (1);
2092	}	2968	}
2093		2969
…		…
2107		2983
2108	utf8::encode $text;	2984	utf8::encode $text;
2109	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2985	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2110	}	2986	}
2111		2987
		2988	=item $client->send_big_packet ($pkt)
		2989
		2990	Like C<send_packet>, but tries to compress large packets, and fragments
		2991	them as required.
		2992
		2993	=cut
		2994
		2995	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2996
		2997	sub cf::client::send_big_packet {
		2998	my ($self, $pkt) = @_;
		2999
		3000	# try lzf for large packets
		3001	$pkt = "lzf " . Compress::LZF::compress $pkt
		3002	if 1024 <= length $pkt and $self->{can_lzf};
		3003
		3004	# split very large packets
		3005	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3006	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3007	$pkt = "frag";
		3008	}
		3009
		3010	$self->send_packet ($pkt);
		3011	}
		3012
		3013	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3014
		3015	Send a drawinfo or msg packet to the client, formatting the msg for the
		3016	client if neccessary. C<$type> should be a string identifying the type of
		3017	the message, with C<log> being the default. If C<$color> is negative, suppress
		3018	the message unless the client supports the msg packet.
		3019
		3020	=cut
		3021
		3022	# non-persistent channels (usually the info channel)
		3023	our %CHANNEL = (
		3024	"c/motd" => {
		3025	id => "infobox",
		3026	title => "MOTD",
		3027	reply => undef,
		3028	tooltip => "The message of the day",
		3029	},
		3030	"c/identify" => {
		3031	id => "infobox",
		3032	title => "Identify",
		3033	reply => undef,
		3034	tooltip => "Items recently identified",
		3035	},
		3036	"c/examine" => {
		3037	id => "infobox",
		3038	title => "Examine",
		3039	reply => undef,
		3040	tooltip => "Signs and other items you examined",
		3041	},
		3042	"c/shopinfo" => {
		3043	id => "infobox",
		3044	title => "Shop Info",
		3045	reply => undef,
		3046	tooltip => "What your bargaining skill tells you about the shop",
		3047	},
		3048	"c/book" => {
		3049	id => "infobox",
		3050	title => "Book",
		3051	reply => undef,
		3052	tooltip => "The contents of a note or book",
		3053	},
		3054	"c/lookat" => {
		3055	id => "infobox",
		3056	title => "Look",
		3057	reply => undef,
		3058	tooltip => "What you saw there",
		3059	},
		3060	"c/who" => {
		3061	id => "infobox",
		3062	title => "Players",
		3063	reply => undef,
		3064	tooltip => "Shows players who are currently online",
		3065	},
		3066	"c/body" => {
		3067	id => "infobox",
		3068	title => "Body Parts",
		3069	reply => undef,
		3070	tooltip => "Shows which body parts you posess and are available",
		3071	},
		3072	"c/statistics" => {
		3073	id => "infobox",
		3074	title => "Statistics",
		3075	reply => undef,
		3076	tooltip => "Shows your primary statistics",
		3077	},
		3078	"c/skills" => {
		3079	id => "infobox",
		3080	title => "Skills",
		3081	reply => undef,
		3082	tooltip => "Shows your experience per skill and item power",
		3083	},
		3084	"c/shopitems" => {
		3085	id => "infobox",
		3086	title => "Shop Items",
		3087	reply => undef,
		3088	tooltip => "Shows the items currently for sale in this shop",
		3089	},
		3090	"c/resistances" => {
		3091	id => "infobox",
		3092	title => "Resistances",
		3093	reply => undef,
		3094	tooltip => "Shows your resistances",
		3095	},
		3096	"c/pets" => {
		3097	id => "infobox",
		3098	title => "Pets",
		3099	reply => undef,
		3100	tooltip => "Shows information abotu your pets/a specific pet",
		3101	},
		3102	"c/perceiveself" => {
		3103	id => "infobox",
		3104	title => "Perceive Self",
		3105	reply => undef,
		3106	tooltip => "You gained detailed knowledge about yourself",
		3107	},
		3108	"c/uptime" => {
		3109	id => "infobox",
		3110	title => "Uptime",
		3111	reply => undef,
		3112	tooltip => "How long the server has been running since last restart",
		3113	},
		3114	"c/mapinfo" => {
		3115	id => "infobox",
		3116	title => "Map Info",
		3117	reply => undef,
		3118	tooltip => "Information related to the maps",
		3119	},
		3120	"c/party" => {
		3121	id => "party",
		3122	title => "Party",
		3123	reply => "gsay ",
		3124	tooltip => "Messages and chat related to your party",
		3125	},
		3126	"c/death" => {
		3127	id => "death",
		3128	title => "Death",
		3129	reply => undef,
		3130	tooltip => "Reason for and more info about your most recent death",
		3131	},
		3132	"c/say" => $SAY_CHANNEL,
		3133	"c/chat" => $CHAT_CHANNEL,
		3134	);
		3135
		3136	sub cf::client::send_msg {
		3137	my ($self, $channel, $msg, $color, @extra) = @_;
		3138
		3139	$msg = $self->pl->expand_cfpod ($msg)
		3140	unless $color & cf::NDI_VERBATIM;
		3141
		3142	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3143
		3144	# check predefined channels, for the benefit of C
		3145	if ($CHANNEL{$channel}) {
		3146	$channel = $CHANNEL{$channel};
		3147
		3148	$self->ext_msg (channel_info => $channel);
		3149	$channel = $channel->{id};
		3150
		3151	} elsif (ref $channel) {
		3152	# send meta info to client, if not yet sent
		3153	unless (exists $self->{channel}{$channel->{id}}) {
		3154	$self->{channel}{$channel->{id}} = $channel;
		3155	$self->ext_msg (channel_info => $channel);
		3156	}
		3157
		3158	$channel = $channel->{id};
		3159	}
		3160
		3161	return unless @extra || length $msg;
		3162
		3163	# default colour, mask it out
		3164	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3165	if $color & cf::NDI_DEF;
		3166
		3167	my $pkt = "msg "
		3168	. $self->{json_coder}->encode (
		3169	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3170	);
		3171
		3172	$self->send_big_packet ($pkt);
		3173	}
		3174
2112	=item $client->ext_event ($type, %msg)	3175	=item $client->ext_msg ($type, @msg)
2113		3176
2114	Sends an exti event to the client.	3177	Sends an ext event to the client.
2115		3178
2116	=cut	3179	=cut
2117		3180
2118	sub cf::client::ext_event($$%) {	3181	sub cf::client::ext_msg($$@) {
2119	my ($self, $type, %msg) = @_;	3182	my ($self, $type, @msg) = @_;
2120		3183
		3184	if ($self->extcmd == 2) {
		3185	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3186	} elsif ($self->extcmd == 1) { # TODO: remove
2121	$msg{msgtype} = "event_$type";	3187	push @msg, msgtype => "event_$type";
2122	$self->send_packet ("ext " . cf::to_json \%msg);	3188	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3189	}
		3190	}
		3191
		3192	=item $client->ext_reply ($msgid, @msg)
		3193
		3194	Sends an ext reply to the client.
		3195
		3196	=cut
		3197
		3198	sub cf::client::ext_reply($$@) {
		3199	my ($self, $id, @msg) = @_;
		3200
		3201	if ($self->extcmd == 2) {
		3202	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3203	} elsif ($self->extcmd == 1) {
		3204	#TODO: version 1, remove
		3205	unshift @msg, msgtype => "reply", msgid => $id;
		3206	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3207	}
2123	}	3208	}
2124		3209
2125	=item $success = $client->query ($flags, "text", \&cb)	3210	=item $success = $client->query ($flags, "text", \&cb)
2126		3211
2127	Queues a query to the client, calling the given callback with	3212	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>,	3213	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>.	3214	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2130		3215
2131	Queries can fail, so check the return code. Or don't, as queries will become	3216	Queries can fail, so check the return code. Or don't, as queries will
2132	reliable at some point in the future.	3217	become reliable at some point in the future.
2133		3218
2134	=cut	3219	=cut
2135		3220
2136	sub cf::client::query {	3221	sub cf::client::query {
2137	my ($self, $flags, $text, $cb) = @_;	3222	my ($self, $flags, $text, $cb) = @_;
…		…
2145	utf8::encode $text;	3230	utf8::encode $text;
2146	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3231	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2147		3232
2148	$self->send_packet ($self->{query_queue}[0][0])	3233	$self->send_packet ($self->{query_queue}[0][0])
2149	if @{ $self->{query_queue} } == 1;	3234	if @{ $self->{query_queue} } == 1;
		3235
		3236	1
2150	}	3237	}
2151		3238
2152	cf::client->attach (	3239	cf::client->attach (
		3240	on_connect => sub {
		3241	my ($ns) = @_;
		3242
		3243	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3244	},
2153	on_reply => sub {	3245	on_reply => sub {
2154	my ($ns, $msg) = @_;	3246	my ($ns, $msg) = @_;
2155		3247
2156	# this weird shuffling is so that direct followup queries	3248	# this weird shuffling is so that direct followup queries
2157	# get handled first	3249	# get handled first
…		…
2169	} else {	3261	} else {
2170	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3262	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2171	}	3263	}
2172	}	3264	}
2173	},	3265	},
		3266	on_exticmd => sub {
		3267	my ($ns, $buf) = @_;
		3268
		3269	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3270
		3271	if (ref $msg) {
		3272	my ($type, $reply, @payload) =
		3273	"ARRAY" eq ref $msg
		3274	? @$msg
		3275	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3276
		3277	my @reply;
		3278
		3279	if (my $cb = $EXTICMD{$type}) {
		3280	@reply = $cb->($ns, @payload);
		3281	}
		3282
		3283	$ns->ext_reply ($reply, @reply)
		3284	if $reply;
		3285
		3286	} else {
		3287	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3288	}
		3289
		3290	cf::override;
		3291	},
2174	);	3292	);
2175		3293
2176	=item $client->async (\&cb)	3294	=item $client->async (\&cb)
2177		3295
2178	Create a new coroutine, running the specified callback. The coroutine will	3296	Create a new coroutine, running the specified callback. The coroutine will
…		…
2194		3312
2195	$coro	3313	$coro
2196	}	3314	}
2197		3315
2198	cf::client->attach (	3316	cf::client->attach (
2199	on_destroy => sub {	3317	on_client_destroy => sub {
2200	my ($ns) = @_;	3318	my ($ns) = @_;
2201		3319
2202	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3320	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2203	},	3321	},
2204	);	3322	);
…		…
2219	our $safe = new Safe "safe";	3337	our $safe = new Safe "safe";
2220	our $safe_hole = new Safe::Hole;	3338	our $safe_hole = new Safe::Hole;
2221		3339
2222	$SIG{FPE} = 'IGNORE';	3340	$SIG{FPE} = 'IGNORE';
2223		3341
2224	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3342	$safe->permit_only (Opcode::opset qw(
		3343	:base_core :base_mem :base_orig :base_math :base_loop
		3344	grepstart grepwhile mapstart mapwhile
		3345	sort time
		3346	));
2225		3347
2226	# here we export the classes and methods available to script code	3348	# here we export the classes and methods available to script code
2227		3349
2228	=pod	3350	=pod
2229		3351
2230	The following functions and methods are available within a safe environment:	3352	The following functions and methods are available within a safe environment:
2231		3353
2232	cf::object contr pay_amount pay_player map	3354	cf::object
		3355	contr pay_amount pay_player map x y force_find force_add destroy
		3356	insert remove name archname title slaying race decrease split
		3357	value
		3358
2233	cf::object::player player	3359	cf::object::player
2234	cf::player peaceful	3360	player
2235	cf::map trigger	3361
		3362	cf::player
		3363	peaceful
		3364
		3365	cf::map
		3366	trigger
2236		3367
2237	=cut	3368	=cut
2238		3369
2239	for (	3370	for (
2240	["cf::object" => qw(contr pay_amount pay_player map)],	3371	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3372	insert remove inv nrof name archname title slaying race
		3373	decrease split destroy change_exp value msg lore send_msg)],
2241	["cf::object::player" => qw(player)],	3374	["cf::object::player" => qw(player)],
2242	["cf::player" => qw(peaceful)],	3375	["cf::player" => qw(peaceful send_msg)],
2243	["cf::map" => qw(trigger)],	3376	["cf::map" => qw(trigger)],
2244	) {	3377	) {
2245	no strict 'refs';
2246	my ($pkg, @funs) = @$_;	3378	my ($pkg, @funs) = @$_;
2247	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3379	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2248	for @funs;	3380	for @funs;
2249	}	3381	}
2250		3382
…		…
2265		3397
2266	my $qcode = $code;	3398	my $qcode = $code;
2267	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3399	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2268	$qcode =~ s/\n/\\n/g;	3400	$qcode =~ s/\n/\\n/g;
2269		3401
		3402	%vars = (_dummy => 0) unless %vars;
		3403
		3404	my @res;
2270	local $_;	3405	local $_;
2271	local @safe::cf::_safe_eval_args = values %vars;
2272		3406
2273	my $eval =	3407	my $eval =
2274	"do {\n"	3408	"do {\n"
2275	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3409	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2276	. "#line 0 \"{$qcode}\"\n"	3410	. "#line 0 \"{$qcode}\"\n"
2277	. $code	3411	. $code
2278	. "\n}"	3412	. "\n}"
2279	;	3413	;
2280		3414
		3415	if ($CFG{safe_eval}) {
2281	sub_generation_inc;	3416	sub_generation_inc;
		3417	local @safe::cf::_safe_eval_args = values %vars;
2282	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3418	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2283	sub_generation_inc;	3419	sub_generation_inc;
		3420	} else {
		3421	local @cf::_safe_eval_args = values %vars;
		3422	@res = wantarray ? eval eval : scalar eval $eval;
		3423	}
2284		3424
2285	if ($@) {	3425	if ($@) {
2286	warn "$@";	3426	warn "$@",
2287	warn "while executing safe code '$code'\n";	3427	"while executing safe code '$code'\n",
2288	warn "with arguments " . (join " ", %vars) . "\n";	3428	"with arguments " . (join " ", %vars) . "\n";
2289	}	3429	}
2290		3430
2291	wantarray ? @res : $res[0]	3431	wantarray ? @res : $res[0]
2292	}	3432	}
2293		3433
…		…
2307	=cut	3447	=cut
2308		3448
2309	sub register_script_function {	3449	sub register_script_function {
2310	my ($fun, $cb) = @_;	3450	my ($fun, $cb) = @_;
2311		3451
2312	no strict 'refs';	3452	$fun = "safe::$fun" if $CFG{safe_eval};
2313	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3453	*$fun = $safe_hole->wrap ($cb);
2314	}	3454	}
2315		3455
2316	=back	3456	=back
2317		3457
2318	=cut	3458	=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		3459
2494	#############################################################################	3460	#############################################################################
2495	# the server's init and main functions	3461	# the server's init and main functions
2496		3462
2497	sub load_facedata($) {	3463	sub load_facedata($) {
2498	my ($path) = @_;	3464	my ($path) = @_;
2499		3465
		3466	# HACK to clear player env face cache, we need some signal framework
		3467	# for this (global event?)
		3468	%ext::player_env::MUSIC_FACE_CACHE = ();
		3469
		3470	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3471
2500	warn "loading facedata from $path\n";	3472	trace "loading facedata from $path\n";
2501		3473
2502	my $facedata;	3474	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		3475
2508	$facedata->{version} == 2	3476	$facedata->{version} == 2
2509	or cf::cleanup "$path: version mismatch, cannot proceed.";	3477	or cf::cleanup "$path: version mismatch, cannot proceed.";
2510		3478
		3479	# patch in the exptable
		3480	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3481	$facedata->{resource}{"res/exp_table"} = {
		3482	type => FT_RSRC,
		3483	data => $exp_table,
		3484	hash => (Digest::MD5::md5 $exp_table),
		3485	};
		3486	cf::cede_to_tick;
		3487
2511	{	3488	{
2512	my $faces = $facedata->{faceinfo};	3489	my $faces = $facedata->{faceinfo};
2513		3490
2514	while (my ($face, $info) = each %$faces) {	3491	while (my ($face, $info) = each %$faces) {
2515	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3492	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3493
2516	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3494	cf::face::set_visibility $idx, $info->{visibility};
		3495	cf::face::set_magicmap $idx, $info->{magicmap};
2517	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3496	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2518	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3497	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2519	Coro::cede;	3498	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3499
		3500	cf::cede_to_tick;
2520	}	3501	}
2521		3502
2522	while (my ($face, $info) = each %$faces) {	3503	while (my ($face, $info) = each %$faces) {
2523	next unless $info->{smooth};	3504	next unless $info->{smooth};
		3505
2524	my $idx = cf::face::find $face	3506	my $idx = cf::face::find $face
2525	or next;	3507	or next;
		3508
2526	if (my $smooth = cf::face::find $info->{smooth}) {	3509	if (my $smooth = cf::face::find $info->{smooth}) {
		3510	cf::face::set_smooth $idx, $smooth;
2527	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3511	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2528	} else {	3512	} else {
2529	warn "smooth face '$info->{smooth}' not found for face '$face'";	3513	error "smooth face '$info->{smooth}' not found for face '$face'";
2530	}	3514	}
2531	Coro::cede;	3515
		3516	cf::cede_to_tick;
2532	}	3517	}
2533	}	3518	}
2534		3519
2535	{	3520	{
2536	my $anims = $facedata->{animinfo};	3521	my $anims = $facedata->{animinfo};
2537		3522
2538	while (my ($anim, $info) = each %$anims) {	3523	while (my ($anim, $info) = each %$anims) {
2539	cf::anim::set $anim, $info->{frames}, $info->{facings};	3524	cf::anim::set $anim, $info->{frames}, $info->{facings};
2540	Coro::cede;	3525	cf::cede_to_tick;
2541	}	3526	}
2542		3527
2543	cf::anim::invalidate_all; # d'oh	3528	cf::anim::invalidate_all; # d'oh
2544	}	3529	}
2545		3530
		3531	{
		3532	my $res = $facedata->{resource};
		3533
		3534	while (my ($name, $info) = each %$res) {
		3535	if (defined $info->{type}) {
		3536	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3537
		3538	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3539	cf::face::set_type $idx, $info->{type};
		3540	} else {
		3541	$RESOURCE{$name} = $info; # unused
		3542	}
		3543
		3544	cf::cede_to_tick;
		3545	}
		3546	}
		3547
		3548	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3549
2546	1	3550	1
2547	}	3551	}
2548		3552
		3553	register_exticmd fx_want => sub {
		3554	my ($ns, $want) = @_;
		3555
		3556	while (my ($k, $v) = each %$want) {
		3557	$ns->fx_want ($k, $v);
		3558	}
		3559	};
		3560
		3561	sub load_resource_file($) {
		3562	my $guard = lock_acquire "load_resource_file";
		3563
		3564	my $status = load_resource_file_ $_[0];
		3565	get_slot 0.1, 100;
		3566	cf::arch::commit_load;
		3567
		3568	$status
		3569	}
		3570
2549	sub reload_regions {	3571	sub reload_regions {
		3572	# HACK to clear player env face cache, we need some signal framework
		3573	# for this (global event?)
		3574	%ext::player_env::MUSIC_FACE_CACHE = ();
		3575
2550	load_resource_file "$MAPDIR/regions"	3576	load_resource_file "$MAPDIR/regions"
2551	or die "unable to load regions file\n";	3577	or die "unable to load regions file\n";
		3578
		3579	for (cf::region::list) {
		3580	$_->{match} = qr/$_->{match}/
		3581	if exists $_->{match};
		3582	}
2552	}	3583	}
2553		3584
2554	sub reload_facedata {	3585	sub reload_facedata {
2555	load_facedata "$DATADIR/facedata"	3586	load_facedata "$DATADIR/facedata"
2556	or die "unable to load facedata\n";	3587	or die "unable to load facedata\n";
…		…
2564	sub reload_treasures {	3595	sub reload_treasures {
2565	load_resource_file "$DATADIR/treasures"	3596	load_resource_file "$DATADIR/treasures"
2566	or die "unable to load treasurelists\n";	3597	or die "unable to load treasurelists\n";
2567	}	3598	}
2568		3599
		3600	sub reload_sound {
		3601	trace "loading sound config from $DATADIR/sound\n";
		3602
		3603	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3604
		3605	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3606	my $sound = $soundconf->{compat}[$_]
		3607	or next;
		3608
		3609	my $face = cf::face::find "sound/$sound->[1]";
		3610	cf::sound::set $sound->[0] => $face;
		3611	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3612	}
		3613
		3614	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3615	my $face = cf::face::find "sound/$v";
		3616	cf::sound::set $k => $face;
		3617	}
		3618	}
		3619
2569	sub reload_resources {	3620	sub reload_resources {
2570	warn "reloading resource files...\n";	3621	trace "reloading resource files...\n";
2571		3622
		3623	reload_exp_table;
		3624	reload_materials;
		3625	reload_facedata;
		3626	reload_sound;
		3627	reload_archetypes;
2572	reload_regions;	3628	reload_regions;
2573	reload_facedata;
2574	reload_archetypes;
2575	reload_treasures;	3629	reload_treasures;
2576		3630
2577	warn "finished reloading resource files\n";	3631	trace "finished reloading resource files\n";
2578	}	3632	}
2579		3633
2580	sub init {	3634	sub reload_config {
2581	reload_resources;	3635	trace "reloading config file...\n";
2582	}
2583		3636
2584	sub cfg_load {	3637	my $config = load_file "$CONFDIR/config";
2585	open my $fh, "<:utf8", "$CONFDIR/config"	3638	utf8::decode $config;
2586	or return;	3639	*CFG = decode_yaml $config;
2587		3640
2588	local $/;
2589	*CFG = YAML::Syck::Load <$fh>;
2590
2591	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3641	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2592		3642
2593	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3643	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2594	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3644	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2595		3645
2596	if (exists $CFG{mlockall}) {	3646	if (exists $CFG{mlockall}) {
…		…
2600	};	3650	};
2601	warn $@ if $@;	3651	warn $@ if $@;
2602	}	3652	}
2603	}	3653	}
2604		3654
		3655	sub pidfile() {
		3656	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3657	or die "$PIDFILE: $!";
		3658	flock $fh, &Fcntl::LOCK_EX
		3659	or die "$PIDFILE: flock: $!";
		3660	$fh
		3661	}
		3662
		3663	# make sure only one server instance is running at any one time
		3664	sub atomic {
		3665	my $fh = pidfile;
		3666
		3667	my $pid = <$fh>;
		3668	kill 9, $pid if $pid > 0;
		3669
		3670	seek $fh, 0, 0;
		3671	print $fh $$;
		3672	}
		3673
		3674	sub main_loop {
		3675	trace "EV::loop starting\n";
		3676	if (1) {
		3677	EV::loop;
		3678	}
		3679	trace "EV::loop returned\n";
		3680	goto &main_loop unless $REALLY_UNLOOP;
		3681	}
		3682
2605	sub main {	3683	sub main {
		3684	cf::init_globals; # initialise logging
		3685
		3686	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3687	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3688	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3689	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3690
		3691	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3692
2606	# we must not ever block the main coroutine	3693	# we must not ever block the main coroutine
2607	local $Coro::idle = sub {	3694	local $Coro::idle = sub {
2608	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3695	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2609	(async {	3696	(async {
2610	Event::one_event;	3697	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3698	EV::loop EV::LOOP_ONESHOT;
2611	})->prio (Coro::PRIO_MAX);	3699	})->prio (Coro::PRIO_MAX);
2612	};	3700	};
2613		3701
2614	cfg_load;	3702	evthread_start IO::AIO::poll_fileno;
		3703
		3704	cf::sync_job {
		3705	cf::incloader::init ();
		3706
		3707	cf::init_anim;
		3708	cf::init_attackmess;
		3709	cf::init_dynamic;
		3710
		3711	cf::load_settings;
		3712
		3713	reload_resources;
		3714	reload_config;
2615	db_init;	3715	db_init;
		3716
		3717	cf::init_uuid;
		3718	cf::init_signals;
		3719	cf::init_skills;
		3720
		3721	cf::init_beforeplay;
		3722
		3723	atomic;
		3724
2616	load_extensions;	3725	load_extensions;
2617		3726
2618	$TICK_WATCHER->start;	3727	utime time, time, $RUNTIMEFILE;
2619	Event::loop;	3728
		3729	# no (long-running) fork's whatsoever before this point(!)
		3730	use POSIX ();
		3731	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3732
		3733	cf::_post_init 0;
		3734	};
		3735
		3736	cf::object::thawer::errors_are_fatal 0;
		3737	info "parse errors in files are no longer fatal from this point on.\n";
		3738
		3739	my $free_main; $free_main = EV::idle sub {
		3740	undef $free_main;
		3741	undef &main; # free gobs of memory :)
		3742	};
		3743
		3744	goto &main_loop;
2620	}	3745	}
2621		3746
2622	#############################################################################	3747	#############################################################################
2623	# initialisation and cleanup	3748	# initialisation and cleanup
2624		3749
2625	# install some emergency cleanup handlers	3750	# install some emergency cleanup handlers
2626	BEGIN {	3751	BEGIN {
		3752	our %SIGWATCHER = ();
2627	for my $signal (qw(INT HUP TERM)) {	3753	for my $signal (qw(INT HUP TERM)) {
2628	Event->signal (	3754	$SIGWATCHER{$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";	3755	cf::cleanup "SIG$signal";
2635	},
2636	);	3756	};
		3757	}
		3758	}
		3759
		3760	sub write_runtime_sync {
		3761	my $t0 = AE::time;
		3762
		3763	# first touch the runtime file to show we are still running:
		3764	# the fsync below can take a very very long time.
		3765
		3766	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3767
		3768	my $guard = cf::lock_acquire "write_runtime";
		3769
		3770	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3771	or return;
		3772
		3773	my $value = $cf::RUNTIME + 90 + 10;
		3774	# 10 is the runtime save interval, for a monotonic clock
		3775	# 60 allows for the watchdog to kill the server.
		3776
		3777	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3778	and return;
		3779
		3780	# always fsync - this file is important
		3781	aio_fsync $fh
		3782	and return;
		3783
		3784	# touch it again to show we are up-to-date
		3785	aio_utime $fh, undef, undef;
		3786
		3787	close $fh
		3788	or return;
		3789
		3790	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3791	and return;
		3792
		3793	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3794
2637	}	3795	1
		3796	}
		3797
		3798	our $uuid_lock;
		3799	our $uuid_skip;
		3800
		3801	sub write_uuid_sync($) {
		3802	$uuid_skip ||= $_[0];
		3803
		3804	return if $uuid_lock;
		3805	local $uuid_lock = 1;
		3806
		3807	my $uuid = "$LOCALDIR/uuid";
		3808
		3809	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3810	or return;
		3811
		3812	my $value = uuid_seq uuid_cur;
		3813
		3814	unless ($value) {
		3815	info "cowardly refusing to write zero uuid value!\n";
		3816	return;
		3817	}
		3818
		3819	my $value = uuid_str $value + $uuid_skip;
		3820	$uuid_skip = 0;
		3821
		3822	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3823	and return;
		3824
		3825	# always fsync - this file is important
		3826	aio_fsync $fh
		3827	and return;
		3828
		3829	close $fh
		3830	or return;
		3831
		3832	aio_rename "$uuid~", $uuid
		3833	and return;
		3834
		3835	trace "uuid file written ($value).\n";
		3836
		3837	1
		3838
		3839	}
		3840
		3841	sub write_uuid($$) {
		3842	my ($skip, $sync) = @_;
		3843
		3844	$sync ? write_uuid_sync $skip
		3845	: async { write_uuid_sync $skip };
2638	}	3846	}
2639		3847
2640	sub emergency_save() {	3848	sub emergency_save() {
2641	my $freeze_guard = cf::freeze_mainloop;	3849	my $freeze_guard = cf::freeze_mainloop;
2642		3850
2643	warn "enter emergency perl save\n";	3851	info "emergency_perl_save: enter\n";
		3852
		3853	# this is a trade-off: we want to be very quick here, so
		3854	# save all maps without fsync, and later call a global sync
		3855	# (which in turn might be very very slow)
		3856	local $USE_FSYNC = 0;
2644		3857
2645	cf::sync_job {	3858	cf::sync_job {
		3859	cf::write_runtime_sync; # external watchdog should not bark
		3860
2646	# use a peculiar iteration method to avoid tripping on perl	3861	# use a peculiar iteration method to avoid tripping on perl
2647	# refcount bugs in for. also avoids problems with players	3862	# refcount bugs in for. also avoids problems with players
2648	# and maps saved/destroyed asynchronously.	3863	# and maps saved/destroyed asynchronously.
2649	warn "begin emergency player save\n";	3864	info "emergency_perl_save: begin player save\n";
2650	for my $login (keys %cf::PLAYER) {	3865	for my $login (keys %cf::PLAYER) {
2651	my $pl = $cf::PLAYER{$login} or next;	3866	my $pl = $cf::PLAYER{$login} or next;
2652	$pl->valid or next;	3867	$pl->valid or next;
		3868	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2653	$pl->save;	3869	$pl->save;
2654	}	3870	}
2655	warn "end emergency player save\n";	3871	info "emergency_perl_save: end player save\n";
2656		3872
2657	warn "begin emergency map save\n";	3873	cf::write_runtime_sync; # external watchdog should not bark
		3874
		3875	info "emergency_perl_save: begin map save\n";
2658	for my $path (keys %cf::MAP) {	3876	for my $path (keys %cf::MAP) {
2659	my $map = $cf::MAP{$path} or next;	3877	my $map = $cf::MAP{$path} or next;
2660	$map->valid or next;	3878	$map->valid or next;
2661	$map->save;	3879	$map->save;
2662	}	3880	}
2663	warn "end emergency map save\n";	3881	info "emergency_perl_save: end map save\n";
2664		3882
2665	warn "begin emergency database checkpoint\n";	3883	cf::write_runtime_sync; # external watchdog should not bark
		3884
		3885	info "emergency_perl_save: begin database checkpoint\n";
2666	BDB::db_env_txn_checkpoint $DB_ENV;	3886	BDB::db_env_txn_checkpoint $DB_ENV;
2667	warn "end emergency database checkpoint\n";	3887	info "emergency_perl_save: end database checkpoint\n";
		3888
		3889	info "emergency_perl_save: begin write uuid\n";
		3890	write_uuid_sync 1;
		3891	info "emergency_perl_save: end write uuid\n";
		3892
		3893	cf::write_runtime_sync; # external watchdog should not bark
		3894
		3895	trace "emergency_perl_save: syncing database to disk";
		3896	BDB::db_env_txn_checkpoint $DB_ENV;
		3897
		3898	info "emergency_perl_save: starting sync\n";
		3899	IO::AIO::aio_sync sub {
		3900	info "emergency_perl_save: finished sync\n";
		3901	};
		3902
		3903	cf::write_runtime_sync; # external watchdog should not bark
		3904
		3905	trace "emergency_perl_save: flushing outstanding aio requests";
		3906	while (IO::AIO::nreqs || BDB::nreqs) {
		3907	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3908	}
		3909
		3910	cf::write_runtime_sync; # external watchdog should not bark
2668	};	3911	};
2669		3912
2670	warn "leave emergency perl save\n";	3913	info "emergency_perl_save: leave\n";
2671	}	3914	}
2672		3915
2673	sub post_cleanup {	3916	sub post_cleanup {
2674	my ($make_core) = @_;	3917	my ($make_core) = @_;
2675		3918
		3919	IO::AIO::flush;
		3920
2676	warn Carp::longmess "post_cleanup backtrace"	3921	error Carp::longmess "post_cleanup backtrace"
2677	if $make_core;	3922	if $make_core;
		3923
		3924	my $fh = pidfile;
		3925	unlink $PIDFILE if <$fh> == $$;
		3926	}
		3927
		3928	# a safer delete_package, copied from Symbol
		3929	sub clear_package($) {
		3930	my $pkg = shift;
		3931
		3932	# expand to full symbol table name if needed
		3933	unless ($pkg =~ /^main::.*::$/) {
		3934	$pkg = "main$pkg" if $pkg =~ /^::/;
		3935	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3936	$pkg .= '::' unless $pkg =~ /::$/;
		3937	}
		3938
		3939	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3940	my $stem_symtab = *{$stem}{HASH};
		3941
		3942	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3943	or return;
		3944
		3945	# clear all symbols
		3946	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3947	for my $name (keys %$leaf_symtab) {
		3948	_gv_clear *{"$pkg$name"};
		3949	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3950	}
2678	}	3951	}
2679		3952
2680	sub do_reload_perl() {	3953	sub do_reload_perl() {
2681	# can/must only be called in main	3954	# can/must only be called in main
2682	if ($Coro::current != $Coro::main) {	3955	unless (in_main) {
2683	warn "can only reload from main coroutine";	3956	error "can only reload from main coroutine";
2684	return;	3957	return;
2685	}	3958	}
2686		3959
2687	warn "reloading...";	3960	return if $RELOAD++;
2688		3961
2689	warn "entering sync_job";	3962	my $t1 = AE::time;
2690		3963
		3964	while ($RELOAD) {
		3965	cf::get_slot 0.1, -1, "reload_perl";
		3966	info "perl_reload: reloading...";
		3967
		3968	trace "perl_reload: entering sync_job";
		3969
2691	cf::sync_job {	3970	cf::sync_job {
2692	cf::write_runtime; # external watchdog should not bark
2693	cf::emergency_save;	3971	#cf::emergency_save;
2694	cf::write_runtime; # external watchdog should not bark
2695		3972
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";	3973	trace "perl_reload: cancelling all extension coros";
2718	$_->cancel for values %EXT_CORO;	3974	$_->cancel for values %EXT_CORO;
2719	%EXT_CORO = ();	3975	%EXT_CORO = ();
2720		3976
2721	warn "removing commands";	3977	trace "perl_reload: removing commands";
2722	%COMMAND = ();	3978	%COMMAND = ();
2723		3979
2724	warn "removing ext commands";	3980	trace "perl_reload: removing ext/exti commands";
2725	%EXTCMD = ();	3981	%EXTCMD = ();
		3982	%EXTICMD = ();
2726		3983
2727	warn "unloading/nuking all extensions";	3984	trace "perl_reload: unloading/nuking all extensions";
2728	for my $pkg (@EXTS) {	3985	for my $pkg (@EXTS) {
2729	warn "... unloading $pkg";	3986	trace "... unloading $pkg";
2730		3987
2731	if (my $cb = $pkg->can ("unload")) {	3988	if (my $cb = $pkg->can ("unload")) {
2732	eval {	3989	eval {
2733	$cb->($pkg);	3990	$cb->($pkg);
2734	1	3991	1
2735	} or warn "$pkg unloaded, but with errors: $@";	3992	} or error "$pkg unloaded, but with errors: $@";
		3993	}
		3994
		3995	trace "... clearing $pkg";
		3996	clear_package $pkg;
2736	}	3997	}
2737		3998
2738	warn "... nuking $pkg";
2739	Symbol::delete_package $pkg;
2740	}
2741
2742	warn "unloading all perl modules loaded from $LIBDIR";	3999	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2743	while (my ($k, $v) = each %INC) {	4000	while (my ($k, $v) = each %INC) {
2744	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4001	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2745		4002
2746	warn "... unloading $k";	4003	trace "... unloading $k";
2747	delete $INC{$k};	4004	delete $INC{$k};
2748		4005
2749	$k =~ s/\.pm$//;	4006	$k =~ s/\.pm$//;
2750	$k =~ s/\//::/g;	4007	$k =~ s/\//::/g;
2751		4008
2752	if (my $cb = $k->can ("unload_module")) {	4009	if (my $cb = $k->can ("unload_module")) {
2753	$cb->();	4010	$cb->();
		4011	}
		4012
		4013	clear_package $k;
2754	}	4014	}
2755		4015
2756	Symbol::delete_package $k;
2757	}
2758
2759	warn "getting rid of safe::, as good as possible";	4016	trace "perl_reload: getting rid of safe::, as good as possible";
2760	Symbol::delete_package "safe::$_"	4017	clear_package "safe::$_"
2761	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4018	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2762		4019
2763	warn "unloading cf.pm \"a bit\"";	4020	trace "perl_reload: unloading cf.pm \"a bit\"";
2764	delete $INC{"cf.pm"};	4021	delete $INC{"cf.pm"};
2765	delete $INC{"cf/pod.pm"};	4022	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2766		4023
2767	# don't, removes xs symbols, too,	4024	# don't, removes xs symbols, too,
2768	# and global variables created in xs	4025	# and global variables created in xs
2769	#Symbol::delete_package __PACKAGE__;	4026	#clear_package __PACKAGE__;
2770		4027
2771	warn "unload completed, starting to reload now";	4028	info "perl_reload: unload completed, starting to reload now";
2772		4029
2773	warn "reloading cf.pm";	4030	trace "perl_reload: reloading cf.pm";
2774	require cf;	4031	require cf;
2775	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4032	cf::_connect_to_perl_1;
2776		4033
2777	warn "loading config and database again";	4034	trace "perl_reload: loading config and database again";
2778	cf::cfg_load;	4035	cf::reload_config;
2779		4036
2780	warn "loading extensions";	4037	trace "perl_reload: loading extensions";
2781	cf::load_extensions;	4038	cf::load_extensions;
2782		4039
		4040	if ($REATTACH_ON_RELOAD) {
2783	warn "reattaching attachments to objects/players";	4041	trace "perl_reload: reattaching attachments to objects/players";
2784	_global_reattach; # objects, sockets	4042	_global_reattach; # objects, sockets
2785	warn "reattaching attachments to maps";	4043	trace "perl_reload: reattaching attachments to maps";
2786	reattach $_ for values %MAP;	4044	reattach $_ for values %MAP;
2787	warn "reattaching attachments to players";	4045	trace "perl_reload: reattaching attachments to players";
2788	reattach $_ for values %PLAYER;	4046	reattach $_ for values %PLAYER;
		4047	}
2789		4048
2790	warn "leaving sync_job";	4049	cf::_post_init 1;
2791		4050
		4051	trace "perl_reload: leaving sync_job";
		4052
2792	1	4053	1
2793	} or do {	4054	} or do {
2794	warn $@;	4055	error $@;
2795	warn "error while reloading, exiting.";	4056	cf::cleanup "perl_reload: error, exiting.";
2796	exit 1;	4057	};
		4058
		4059	--$RELOAD;
2797	};	4060	}
2798		4061
2799	warn "reloaded";	4062	$t1 = AE::time - $t1;
		4063	info "perl_reload: completed in ${t1}s\n";
2800	};	4064	};
2801		4065
2802	our $RELOAD_WATCHER; # used only during reload	4066	our $RELOAD_WATCHER; # used only during reload
2803		4067
2804	sub reload_perl() {	4068	sub reload_perl() {
2805	# doing reload synchronously and two reloads happen back-to-back,	4069	# doing reload synchronously and two reloads happen back-to-back,
2806	# coro crashes during coro_state_free->destroy here.	4070	# coro crashes during coro_state_free->destroy here.
2807		4071
2808	$RELOAD_WATCHER ||= Event->timer (	4072	$RELOAD_WATCHER ||= cf::async {
2809	reentrant => 0,	4073	Coro::AIO::aio_wait cache_extensions;
2810	after => 0,	4074
2811	data => WF_AUTOCANCEL,	4075	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2812	cb => sub {
2813	do_reload_perl;	4076	do_reload_perl;
2814	undef $RELOAD_WATCHER;	4077	undef $RELOAD_WATCHER;
2815	},	4078	};
2816	);	4079	};
2817	}	4080	}
2818		4081
2819	register_command "reload" => sub {	4082	register_command "reload" => sub {
2820	my ($who, $arg) = @_;	4083	my ($who, $arg) = @_;
2821		4084
2822	if ($who->flag (FLAG_WIZ)) {	4085	if ($who->flag (FLAG_WIZ)) {
2823	$who->message ("reloading server.");	4086	$who->message ("reloading server.");
		4087	async {
		4088	$Coro::current->{desc} = "perl_reload";
2824	async { reload_perl };	4089	reload_perl;
		4090	};
2825	}	4091	}
2826	};	4092	};
2827		4093
2828	unshift @INC, $LIBDIR;	4094	#############################################################################
2829		4095
2830	my $bug_warning = 0;	4096	my $bug_warning = 0;
2831		4097
2832	our @WAIT_FOR_TICK;	4098	our @WAIT_FOR_TICK;
2833	our @WAIT_FOR_TICK_BEGIN;	4099	our @WAIT_FOR_TICK_BEGIN;
2834		4100
2835	sub wait_for_tick {	4101	sub wait_for_tick() {
2836	return unless $TICK_WATCHER->is_active;
2837	return if $Coro::current == $Coro::main;	4102	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2838		4103
2839	my $signal = new Coro::Signal;	4104	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK, $signal;	4105	push @WAIT_FOR_TICK, $signal;
2841	$signal->wait;	4106	$signal->wait;
2842	}	4107	}
2843		4108
2844	sub wait_for_tick_begin {	4109	sub wait_for_tick_begin() {
2845	return unless $TICK_WATCHER->is_active;
2846	return if $Coro::current == $Coro::main;	4110	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2847		4111
2848	my $signal = new Coro::Signal;	4112	my $signal = new Coro::Signal;
2849	push @WAIT_FOR_TICK_BEGIN, $signal;	4113	push @WAIT_FOR_TICK_BEGIN, $signal;
2850	$signal->wait;	4114	$signal->wait;
2851	}	4115	}
2852		4116
2853	$TICK_WATCHER = Event->timer (	4117	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 != $Coro::main) {	4118	if ($Coro::current != $Coro::main) {
2861	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4119	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2862	unless ++$bug_warning > 10;	4120	unless ++$bug_warning > 10;
2863	return;	4121	return;
2864	}	4122	}
2865		4123
2866	$NOW = $tick_start = Event::time;
2867
2868	cf::server_tick; # one server iteration	4124	cf::server_tick; # one server iteration
2869		4125
2870	$RUNTIME += $TICK;	4126	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2871	$NEXT_TICK += $TICK;
2872		4127
2873	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4128	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2874	$NEXT_RUNTIME_WRITE = $NOW + 10;	4129	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2875	Coro::async_pool {	4130	Coro::async_pool {
		4131	$Coro::current->{desc} = "runtime saver";
2876	write_runtime	4132	write_runtime_sync
2877	or warn "ERROR: unable to write runtime file: $!";	4133	or error "ERROR: unable to write runtime file: $!";
2878	};
2879	}	4134	};
		4135	}
2880		4136
2881	# my $AFTER = Event::time;
2882	# warn $AFTER - $NOW;#d#
2883
2884	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4137	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2885	$sig->send;	4138	$sig->send;
2886	}	4139	}
2887	while (my $sig = shift @WAIT_FOR_TICK) {	4140	while (my $sig = shift @WAIT_FOR_TICK) {
2888	$sig->send;	4141	$sig->send;
2889	}	4142	}
2890		4143
2891	$NOW = Event::time;	4144	$LOAD = ($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;	4145	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2901		4146
2902	_post_tick;	4147	if (0) {
2903		4148	if ($NEXT_TICK) {
2904		4149	my $jitter = $TICK_START - $NEXT_TICK;
		4150	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4151	debug "jitter $JITTER\n";#d#
		4152	}
2905	},	4153	}
2906	);	4154	}
2907		4155
2908	{	4156	{
2909	BDB::max_poll_time $TICK * 0.1;	4157	# configure BDB
2910	$BDB_POLL_WATCHER = Event->io (	4158
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;	4159	BDB::min_parallel 16;
2919		4160	BDB::max_poll_reqs $TICK * 0.1;
2920	BDB::set_sync_prepare {	4161	$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	$! = $status;
2931	},
2932	)
2933	};
2934		4162
2935	unless ($DB_ENV) {	4163	unless ($DB_ENV) {
2936	$DB_ENV = BDB::db_env_create;	4164	$DB_ENV = BDB::db_env_create;
		4165	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4166	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4167	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4168	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4169	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2937		4170
2938	cf::sync_job {	4171	cf::sync_job {
2939	eval {	4172	eval {
2940	BDB::db_env_open	4173	BDB::db_env_open
2941	$DB_ENV,	4174	$DB_ENV,
…		…
2943	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4176	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2944	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4177	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2945	0666;	4178	0666;
2946		4179
2947	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4180	cf::cleanup "db_env_open($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	};	4181	};
2952		4182
2953	cf::cleanup "db_env_open(db): $@" if $@;	4183	cf::cleanup "db_env_open(db): $@" if $@;
2954	};	4184	};
2955	}	4185	}
		4186
		4187	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4188	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4189	};
		4190	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4191	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4192	};
		4193	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4194	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4195	};
2956	}	4196	}
2957		4197
2958	{	4198	{
		4199	# configure IO::AIO
		4200
2959	IO::AIO::min_parallel 8;	4201	IO::AIO::min_parallel 8;
2960
2961	undef $Coro::AIO::WATCHER;
2962	IO::AIO::max_poll_time $TICK * 0.1;	4202	IO::AIO::max_poll_time $TICK * 0.1;
2963	$AIO_POLL_WATCHER = Event->io (	4203	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	}	4204	}
2972		4205
2973	my $_log_backtrace;	4206	our $_log_backtrace;
		4207	our $_log_backtrace_last;
2974		4208
2975	sub _log_backtrace {	4209	sub _log_backtrace {
2976	my ($msg, @addr) = @_;	4210	my ($msg, @addr) = @_;
2977		4211
2978	$msg =~ s/\n//;	4212	$msg =~ s/\n$//;
2979		4213
		4214	if ($_log_backtrace_last eq $msg) {
		4215	LOG llevInfo, "[ABT] $msg\n";
		4216	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2980	# limit the # of concurrent backtraces	4217	# limit the # of concurrent backtraces
2981	if ($_log_backtrace < 2) {	4218	} elsif ($_log_backtrace < 2) {
		4219	$_log_backtrace_last = $msg;
2982	++$_log_backtrace;	4220	++$_log_backtrace;
		4221	my $perl_bt = Carp::longmess $msg;
2983	async {	4222	async {
		4223	$Coro::current->{desc} = "abt $msg";
		4224
2984	my @bt = fork_call {	4225	my @bt = fork_call {
2985	@addr = map { sprintf "%x", $_ } @addr;	4226	@addr = map { sprintf "%x", $_ } @addr;
2986	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4227	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2987	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4228	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2988	or die "addr2line: $!";	4229	or die "addr2line: $!";
…		…
2996	}	4237	}
2997		4238
2998	@funcs	4239	@funcs
2999	};	4240	};
3000		4241
3001	LOG llevInfo, "[ABT] $msg\n";	4242	LOG llevInfo, "[ABT] $perl_bt\n";
		4243	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3002	LOG llevInfo, "[ABT] $_\n" for @bt;	4244	LOG llevInfo, "[ABT] $_\n" for @bt;
3003	--$_log_backtrace;	4245	--$_log_backtrace;
3004	};	4246	};
3005	} else {	4247	} else {
3006	LOG llevInfo, "[ABT] $msg\n";	4248	LOG llevInfo, "[ABT] $msg\n";
3007	LOG llevInfo, "[ABT] [suppressed]\n";	4249	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3008	}	4250	}
3009	}	4251	}
3010		4252
3011	# load additional modules	4253	# load additional modules
3012	use cf::pod;	4254	require "cf/$_.pm" for @EXTRA_MODULES;
		4255	cf::_connect_to_perl_2;
3013		4256
3014	END { cf::emergency_save }	4257	END { cf::emergency_save }
3015		4258
3016	1	4259	1
3017		4260

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