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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.271 by root, Fri Jun 1 06:04:08 2007 UTC vs.
Revision 1.565 by root, Sat Apr 30 05:41:17 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	IO::AIO::aio_utime $runtime, undef, undef;	668	=cut
401		669
402	my $guard = cf::lock_acquire "write_runtime";	670	sub post_fork {
		671	reset_signals;
		672	}
403		673
404	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	674	sub fork_call(&@) {
405	or return;	675	my ($cb, @args) = @_;
406		676
407	my $value = $cf::RUNTIME + 90 + 10;	677	# we seemingly have to make a local copy of the whole thing,
408	# 10 is the runtime save interval, for a monotonic clock	678	# otherwise perl prematurely frees the stuff :/
409	# 60 allows for the watchdog to kill the server.	679	# TODO: investigate and fix (likely this will be rather laborious)
410		680
411	(aio_write $fh, 0, (length $value), $value, 0) <= 0	681	my @res = Coro::Util::fork_eval {
412	and return;	682	cf::post_fork;
		683	&$cb
		684	} @args;
413		685
414	# always fsync - this file is important	686	wantarray ? @res : $res[-1]
415	aio_fsync $fh	687	}
416	and return;
417		688
418	# touch it again to show we are up-to-date	689	sub objinfo {
419	aio_utime $fh, undef, undef;
420
421	close $fh
422	or return;
423
424	aio_rename "$runtime~", $runtime
425	and return;
426
427	warn "runtime file written.\n";#d#
428
429	1	690	(
		691	"counter value" => cf::object::object_count,
		692	"objects created" => cf::object::create_count,
		693	"objects destroyed" => cf::object::destroy_count,
		694	"freelist size" => cf::object::free_count,
		695	"allocated objects" => cf::object::objects_size,
		696	"active objects" => cf::object::actives_size,
		697	)
		698	}
		699
		700	=item $coin = coin_from_name $name
		701
		702	=cut
		703
		704	our %coin_alias = (
		705	"silver" => "silvercoin",
		706	"silvercoin" => "silvercoin",
		707	"silvercoins" => "silvercoin",
		708	"gold" => "goldcoin",
		709	"goldcoin" => "goldcoin",
		710	"goldcoins" => "goldcoin",
		711	"platinum" => "platinacoin",
		712	"platinumcoin" => "platinacoin",
		713	"platinumcoins" => "platinacoin",
		714	"platina" => "platinacoin",
		715	"platinacoin" => "platinacoin",
		716	"platinacoins" => "platinacoin",
		717	"royalty" => "royalty",
		718	"royalties" => "royalty",
		719	);
		720
		721	sub coin_from_name($) {
		722	$coin_alias{$_[0]}
		723	? cf::arch::find $coin_alias{$_[0]}
		724	: undef
		725	}
		726
		727	=item $value = cf::db_get $family => $key
		728
		729	Returns a single value from the environment database.
		730
		731	=item cf::db_put $family => $key => $value
		732
		733	Stores the given C<$value> in the family. It can currently store binary
		734	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		735
		736	=item $db = cf::db_table "name"
		737
		738	Create and/or open a new database table. The string must not be "db" and must be unique
		739	within each server.
		740
		741	=cut
		742
		743	sub db_table($) {
		744	cf::error "db_get called from main context"
		745	if $Coro::current == $Coro::main;
		746
		747	my ($name) = @_;
		748	my $db = BDB::db_create $DB_ENV;
		749
		750	eval {
		751	$db->set_flags (BDB::CHKSUM);
		752
		753	utf8::encode $name;
		754	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		755	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		756	cf::cleanup "db_open(db): $!" if $!;
		757	};
		758	cf::cleanup "db_open(db): $@" if $@;
		759
		760	$db
		761	}
		762
		763	our $DB;
		764
		765	sub db_init {
		766	$DB ||= db_table "db";
		767	}
		768
		769	sub db_get($$) {
		770	my $key = "$_[0]/$_[1]";
		771
		772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
		775	BDB::db_get $DB, undef, $key, my $data;
		776
		777	$! ? ()
		778	: $data
		779	}
		780
		781	sub db_put($$$) {
		782	BDB::dbreq_pri 4;
		783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		784	}
		785
		786	=item cf::cache $id => [$paths...], $processversion => $process
		787
		788	Generic caching function that returns the value of the resource $id,
		789	caching and regenerating as required.
		790
		791	This function can block.
		792
		793	=cut
		794
		795	sub cache {
		796	my ($id, $src, $processversion, $process) = @_;
		797
		798	my $meta =
		799	join "\x00",
		800	$processversion,
		801	map {
		802	aio_stat $_
		803	and Carp::croak "$_: $!";
		804
		805	($_, (stat _)[7,9])
		806	} @$src;
		807
		808	my $dbmeta = db_get cache => "$id/meta";
		809	if ($dbmeta ne $meta) {
		810	# changed, we may need to process
		811
		812	my @data;
		813	my $md5;
		814
		815	for (0 .. $#$src) {
		816	$data[$_] = load_file $src->[$_];
		817	}
		818
		819	# if processing is expensive, check
		820	# checksum first
		821	if (1) {
		822	$md5 =
		823	join "\x00",
		824	$processversion,
		825	map {
		826	cf::cede_to_tick;
		827	($src->[$_], Digest::MD5::md5_hex $data[$_])
		828	} 0.. $#$src;
		829
		830
		831	my $dbmd5 = db_get cache => "$id/md5";
		832	if ($dbmd5 eq $md5) {
		833	db_put cache => "$id/meta", $meta;
		834
		835	return db_get cache => "$id/data";
		836	}
		837	}
		838
		839	my $t1 = Time::HiRes::time;
		840	my $data = $process->(\@data);
		841	my $t2 = Time::HiRes::time;
		842
		843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		844
		845	db_put cache => "$id/data", $data;
		846	db_put cache => "$id/md5" , $md5;
		847	db_put cache => "$id/meta", $meta;
		848
		849	return $data;
		850	}
		851
		852	db_get cache => "$id/data"
430	}	853	}
431		854
432	=item cf::datalog type => key => value, ...	855	=item cf::datalog type => key => value, ...
433		856
434	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.
435		858
436	=cut	859	=cut
437		860
438	sub datalog($@) {	861	sub datalog($@) {
439	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
440	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
441	}	864	}
442		865
443	=back	866	=back
444		867
445	=cut	868	=cut
446		869
447	#############################################################################	870	#############################################################################
448		871
449	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
450		873
451	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
452	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")
453	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
454		877
455	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>
456	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
457	crossfire+).	880	Deliantra).
458		881
459	=over 4	882	=over 4
460		883
461	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
462		885
…		…
506	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
507		930
508	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
509	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
510		933
511	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
512	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.
513		936
514	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
515		938
516	=over 4	939	=over 4
…		…
640		1063
641	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
642	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
643		1066
644	} elsif (ref $type) {	1067	} elsif (ref $type) {
645	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
646		1069
647	} else {	1070	} else {
648	shift @arg;	1071	shift @arg;
649	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
650	}	1073	}
651	}	1074	}
652	}	1075	}
653		1076
654	sub _object_attach {	1077	sub _object_attach {
…		…
664	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
665	}	1088	}
666		1089
667	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
668	} else {	1091	} else {
669	warn "object uses attachment '$name' that is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
670	}	1093	}
671		1094
672	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
673	}	1096	}
674		1097
…		…
714	";	1137	";
715	die if $@;	1138	die if $@;
716	}	1139	}
717		1140
718	our $override;	1141	our $override;
719	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?
720		1143
721	sub override {	1144	sub override {
722	$override = 1;	1145	$override = 1;
723	@invoke_results = ();	1146	@INVOKE_RESULTS = (@_);
724	}	1147	}
725		1148
726	sub do_invoke {	1149	sub do_invoke {
727	my $event = shift;	1150	my $event = shift;
728	my $callbacks = shift;	1151	my $callbacks = shift;
729		1152
730	@invoke_results = ();	1153	@INVOKE_RESULTS = ();
731		1154
732	local $override;	1155	local $override;
733		1156
734	for (@$callbacks) {	1157	for (@$callbacks) {
735	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
736		1159
737	if ($@) {	1160	if ($@) {
738	warn "$@";
739	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
740	override;	1162	override;
741	}	1163	}
742		1164
743	return 1 if $override;	1165	return 1 if $override;
744	}	1166	}
745		1167
746	0	1168	0
747	}	1169	}
748		1170
749	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750		1172
751	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752		1174
753	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
754		1176
755	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
756	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
757	results (if you must, access C<@cf::invoke_results> directly).	1179	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		1180
759	=back	1181	=back
760		1182
761	=cut	1183	=cut
762		1184
763	#############################################################################	1185	#############################################################################
764	# 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	}
765		1229
766	sub reattach {	1230	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	1232	my ($obj) = @_;
769		1233
		1234	# no longer needed after getting rid of delete_package?
770	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
771		1236
772	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
773		1238
774	@$registry = ();	1239	@$registry = ();
775		1240
…		…
780	for (@$attach) {	1245	for (@$attach) {
781	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
782	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
783	}	1248	}
784	} else {	1249	} else {
785	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
786	}	1251	}
787	}	1252	}
788	}	1253	}
789		1254
790	cf::attachable->attach (	1255	cf::attachable->attach (
791	prio => -1000000,	1256	prio => -1000000,
792	on_instantiate => sub {	1257	on_instantiate => sub {
793	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
794		1259
795	$data = from_json $data;	1260	$data = decode_json $data;
796		1261
797	for (@$data) {	1262	for (@$data) {
798	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
799		1264
800	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
816	sub object_freezer_save {	1281	sub object_freezer_save {
817	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
818		1283
819	sync_job {	1284	sync_job {
820	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
821	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
822	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
823		1290
824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827	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	}
828	close $fh;	1298	aio_close $fh;
829		1299
830	if (@$objs) {	1300	if (@$objs) {
831	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) {
832	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
833	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
835	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	}
836	close $fh;	1309	aio_close $fh;
837	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
838	}	1311	}
839	} else {	1312	} else {
840	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
841	}	1314	}
842		1315
843	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
844	} else {	1320	} else {
845	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
846	}	1322	}
847	} else {	1323	} else {
848	aio_unlink $filename;	1324	aio_unlink $filename;
849	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
850	}	1326	}
851	}	1327	};
852	}	1328	}
853		1329
854	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
855	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
856		1332
…		…
868	or return;	1344	or return;
869		1345
870	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
871	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
872	or return;	1348	or return;
		1349
873	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
874	}	1352	}
875		1353
		1354	utf8::decode (my $decname = $filename);
876	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
878	return ($data, $av);	1359	($data, $av)
879	}	1360	}
		1361
		1362	=head2 COMMAND CALLBACKS
		1363
		1364	=over 4
		1365
		1366	=cut
880		1367
881	#############################################################################	1368	#############################################################################
882	# command handling &c	1369	# command handling &c
883		1370
884	=item cf::register_command $name => \&callback($ob,$args);	1371	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1384	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1385	}
899		1386
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1387	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1388
902	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.
903		1394
904	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
905	called.	1396	called.
906		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
907	=cut	1409	=cut
908		1410
909	sub register_extcmd {	1411	sub register_extcmd {
910	my ($name, $cb) = @_;	1412	my ($name, $cb) = @_;
911		1413
912	$EXTCMD{$name} = $cb;	1414	$EXTCMD{$name} = $cb;
913	}	1415	}
914		1416
		1417	sub register_exticmd {
		1418	my ($name, $cb) = @_;
		1419
		1420	$EXTICMD{$name} = $cb;
		1421	}
		1422
		1423	use File::Glob ();
		1424
915	cf::player->attach (	1425	cf::player->attach (
916	on_command => sub {	1426	on_unknown_command => sub {
917	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
918		1428
919	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
920	or return;	1430	or return;
921		1431
…		…
926	cf::override;	1436	cf::override;
927	},	1437	},
928	on_extcmd => sub {	1438	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1439	my ($pl, $buf) = @_;
930		1440
931	my $msg = eval { from_json $buf };	1441	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1442
933	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
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1451	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1452	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
939	} else {	1458	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1460	}
942		1461
943	cf::override;	1462	cf::override;
944	},	1463	},
945	);	1464	);
946		1465
		1466	# "readahead" all extensions
947	sub load_extension {	1467	sub cache_extensions {
948	my ($path) = @_;	1468	my $grp = IO::AIO::aio_group;
949		1469
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
951	my $base = $1;	1471	for (grep /\.ext$/, @{$_[0]}) {
952	my $pkg = $1;	1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955
956	warn "... loading '$path' into '$pkg'\n";
957
958	open my $fh, "<:utf8", $path
959	or die "$path: $!";
960
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	unless (eval $source) {
968	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	warn $@;
972	warn "mandatory extension failed to load, exiting.\n";
973	exit 1;
974	}	1473	}
975	die $@;
976	}	1474	};
977		1475
978	push @EXTS, $pkg;	1476	$grp
979	}	1477	}
980		1478
981	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
		1482	cf::sync_job {
		1483	my %todo;
		1484
982	for my $ext (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1486	next unless -r $path;
984	eval {	1487
985	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	}
986	1	1551	}
987	} 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	}
988	}	1564	};
989	}	1565	}
990		1566
991	#############################################################################	1567	#############################################################################
992		1568
		1569	=back
		1570
993	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
994		1572
995	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
996		1574
997	=cut	1575	=cut
998		1576
999	package cf::player;	1577	package cf::player;
1000		1578
1001	use Coro::AIO;	1579	use Coro::AIO;
1002		1580
1003	=head3 cf::player	1581	=head3 cf::player
1004		1582
1005	=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	}
1006		1598
1007	=item cf::player::find $login	1599	=item cf::player::find $login
1008		1600
1009	Returns the given player object, loading it if necessary (might block).	1601	Returns the given player object, loading it if necessary (might block).
1010		1602
…		…
1029		1621
1030	sub exists($) {	1622	sub exists($) {
1031	my ($login) = @_;	1623	my ($login) = @_;
1032		1624
1033	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
1034	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
1035	}	1627	}
1036		1628
1037	sub find($) {	1629	sub find($) {
1038	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
1039	my $login = $_[0];	1631	my $login = $_[0];
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1638	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1639	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1640	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1641	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1642
1051	my $pl = load_pl path $login	1643	my $f = new_from_file cf::object::thawer path $login
1052	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;
1053	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1054	}	1652	}
1055	}	1653	}
1056	}	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	);
1057		1668
1058	sub save($) {	1669	sub save($) {
1059	my ($pl) = @_;	1670	my ($pl) = @_;
1060		1671
1061	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
…		…
1066	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1067		1678
1068	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
1070		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
1071	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1072	Coro::cede;	1688	cf::cede_to_tick;
1073	}	1689	}
1074		1690
1075	sub new($) {	1691	sub new($) {
1076	my ($login) = @_;	1692	my ($login) = @_;
1077		1693
…		…
1083	$cf::PLAYER{$login} = $self;	1699	$cf::PLAYER{$login} = $self;
1084		1700
1085	$self	1701	$self
1086	}	1702	}
1087		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
1088	=item $pl->quit_character	1714	=item $pl->quit_character
1089		1715
1090	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
1091	be destroyed. May block for a long time.	1717	be destroyed. May block for a long time.
1092		1718
…		…
1096	my ($pl) = @_;	1722	my ($pl) = @_;
1097		1723
1098	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1099		1725
1100	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1101	$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
1102		1728
1103	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1104	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1105	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1106	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1107		1737
1108	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1109	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1110	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1145	or return [];	1775	or return [];
1146		1776
1147	my @logins;	1777	my @logins;
1148		1778
1149	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") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1153		1789
1154	utf8::decode $login;	1790	utf8::decode $login;
1155	push @logins, $login;	1791	push @logins, $login;
1156	}	1792	}
1157		1793
1158	\@logins	1794	\@logins
1159	}	1795	}
1160		1796
1161	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1162		1800
1163	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1164	player. May block.	1802	player. May block.
1165		1803
1166	=cut	1804	=cut
…		…
1184	}	1822	}
1185		1823
1186	\@paths	1824	\@paths
1187	}	1825	}
1188		1826
		1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1828
		1829	Expand deliantra pod fragments into protocol xml.
		1830
1189	=item $player->ext_reply ($msgid, %msg)	1831	=item $player->ext_reply ($msgid, @msg)
1190		1832
1191	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1192		1834
1193	=cut	1835	=cut
1194		1836
1195	sub ext_reply($$%) {	1837	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1838	my ($self, $id, @msg) = @_;
1197		1839
1198	$msg{msgid} = $id;	1840	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1841	}
1202		1842
1203	=item $player->ext_event ($type, %msg)	1843	=item $player->ext_msg ($type, @msg)
1204		1844
1205	Sends an ext event to the client.	1845	Sends an ext event to the client.
1206		1846
1207	=cut	1847	=cut
1208		1848
1209	sub ext_event($$%) {	1849	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1850	my ($self, $type, @msg) = @_;
1211		1851
1212	$self->ns->ext_event ($type, %msg);	1852	$self->ns->ext_msg ($type, @msg);
1213	}	1853	}
1214		1854
1215	=head3 cf::region	1855	=head3 cf::region
1216		1856
1217	=over 4	1857	=over 4
…		…
1220		1860
1221	package cf::region;	1861	package cf::region;
1222		1862
1223	=item cf::region::find_by_path $path	1863	=item cf::region::find_by_path $path
1224		1864
1225	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.
1226		1866
1227	=cut	1867	=cut
1228		1868
1229	sub find_by_path($) {	1869	sub find_by_path($) {
1230	my ($path) = @_;	1870	my ($path) = @_;
1231		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
		1873
1232	my ($match, $specificity);	1874	my ($match, $specificity);
1233		1875
1234	for my $region (list) {	1876	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1877	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1878	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1879	if $region->specificity > $specificity;
1238	}	1880	}
1239	}	1881	}
1240		1882
…		…
1261	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1262	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1263		1905
1264	sub generate_random_map {	1906	sub generate_random_map {
1265	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1266	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1267	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1268	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1270	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1271	$rmp->{exit_on_final_map},
1272	$rmp->{xsize}, $rmp->{ysize},
1273	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1274	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1275	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1276	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1277	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1278	(cf::region::find $rmp->{region}), $rmp->{custom}
1279	)
1280	}	1912	}
1281		1913
1282	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1283		1915
1284	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
…		…
1289		1921
1290	sub register {	1922	sub register {
1291	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1292	my $pkg = caller;	1924	my $pkg = caller;
1293		1925
1294	no strict;
1295	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1296		1927
1297	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1298	}	1929	}
1299		1930
1300	# also paths starting with '/'	1931	# also paths starting with '/'
1301	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1302		1933
1303	sub thawer_merge {	1934	sub thawer_merge {
1304	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1305		1936
1306	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
1307	local $self->{path};	1938	local $self->{path};
1308	local $self->{load_path};	1939	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1940
1312	$self->SUPER::thawer_merge ($merge);	1941	$self->SUPER::thawer_merge ($merge);
1313	}	1942	}
1314		1943
1315	sub normalise {	1944	sub normalise {
1316	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1317		1946
1318	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1319		1948
1320	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1321		1950
1322	# map plan:	1951	# map plan:
1323	#	1952	#
…		…
1325	# {... are special paths that are not being touched	1954	# {... are special paths that are not being touched
1326	# ?xxx/... are special absolute paths	1955	# ?xxx/... are special absolute paths
1327	# ?random/... random maps	1956	# ?random/... random maps
1328	# /... normal maps	1957	# /... normal maps
1329	# ~user/... per-player map of a specific user	1958	# ~user/... per-player map of a specific user
		1959	# !up !down for quad maps, or other maps with up/down layers
1330		1960
1331	$path =~ s/$PATH_SEP/\//go;	1961	$path =~ s/$PATH_SEP/\//go;
1332		1962
1333	# treat it as relative path if it starts with	1963	# treat it as relative path if it starts with
1334	# something that looks reasonable	1964	# something that looks reasonable
1335	if ($path =~ m{^(?:\./|\.\./|\w)}) {	1965	if ($path =~ m{^(?:\./|\.\./|\w)}) {
1336	$base or Carp::carp "normalise called with relative path and no base: '$path'";	1966	$base or Carp::carp "normalise called with relative path and no base: '$path'";
1337		1967
1338	$base =~ s{[^/]+/?$}{};	1968	$base =~ s{[^/]+/?$}{};
1339	$path = "$base/$path";	1969	$path = "$base/$path";
		1970
		1971	} elsif ($path eq '!up') {
		1972	$base && ref $base
		1973	or Carp::carp "normalise called with relative tile path and no base: '$path'";
		1974
		1975	my $uppth = $base->tile_path (cf::TILE_UP);
		1976	$path = $uppth if $uppth;
		1977
		1978	} elsif ($path eq '!down') {
		1979	$base && ref $base
		1980	or Carp::carp "normalise called with relative tile path and no base: '$path'";
		1981
		1982	my $dpth = $base->tile_path (cf::TILE_DOWN);
		1983	$path = $dpth if $dpth;
1340	}	1984	}
1341		1985
1342	for ($path) {	1986	for ($path) {
1343	redo if s{//}{/};
1344	redo if s{/\.?/}{/};	1987	redo if s{/\.?/}{/};
1345	redo if s{/[^/]+/\.\./}{/};	1988	redo if s{/[^/]+/\.\./}{/};
1346	}	1989	}
1347		1990
1348	$path	1991	$path
…		…
1362	$self->init; # pass $1 etc.	2005	$self->init; # pass $1 etc.
1363	return $self;	2006	return $self;
1364	}	2007	}
1365	}	2008	}
1366		2009
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	2010	Carp::cluck "unable to resolve path '$path' (base '$base')";
1368	()	2011	()
1369	}	2012	}
1370		2013
		2014	# may re-bless or do other evil things
1371	sub init {	2015	sub init {
1372	my ($self) = @_;	2016	my ($self) = @_;
1373		2017
1374	$self	2018	$self
1375	}	2019	}
…		…
1394		2038
1395	# the temporary/swap location	2039	# the temporary/swap location
1396	sub save_path {	2040	sub save_path {
1397	my ($self) = @_;	2041	my ($self) = @_;
1398		2042
1399	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2043	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400	"$TMPDIR/$path.map"	2044	"$TMPDIR/$path.map"
1401	}	2045	}
1402		2046
1403	# the unique path, undef == no special unique path	2047	# the unique path, undef == no special unique path
1404	sub uniq_path {	2048	sub uniq_path {
1405	my ($self) = @_;	2049	my ($self) = @_;
1406		2050
1407	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2051	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408	"$UNIQUEDIR/$path"	2052	"$UNIQUEDIR/$path"
1409	}	2053	}
1410		2054
1411	# and all this just because we cannot iterate over	2055	sub decay_objects {
1412	# all maps in C++...
1413	sub change_all_map_light {
1414	my ($change) = @_;	2056	my ($self) = @_;
1415		2057
1416	$_->change_map_light ($change)	2058	return if $self->{deny_reset};
1417	for grep $_->outdoor, values %cf::MAP;	2059
		2060	$self->do_decay_objects;
1418	}	2061	}
1419		2062
1420	sub unlink_save {	2063	sub unlink_save {
1421	my ($self) = @_;	2064	my ($self) = @_;
1422		2065
…		…
1427		2070
1428	sub load_header_from($) {	2071	sub load_header_from($) {
1429	my ($self, $path) = @_;	2072	my ($self, $path) = @_;
1430		2073
1431	utf8::encode $path;	2074	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	2075	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	or return;	2076	or return;
		2077
		2078	$self->_load_header ($f)
		2079	or return;
		2080
		2081	local $MAP_LOADING{$self->{path}} = $self;
		2082	$f->resolve_delayed_derefs;
1437		2083
1438	$self->{load_path} = $path;	2084	$self->{load_path} = $path;
1439		2085
1440	1	2086	1
1441	}	2087	}
…		…
1480	$self->load_header_orig	2126	$self->load_header_orig
1481	or return;	2127	or return;
1482	$self->prepare_orig;	2128	$self->prepare_orig;
1483	}	2129	}
1484		2130
		2131	$self->{deny_reset} = 1
		2132	if $self->no_reset;
		2133
1485	$self->default_region (cf::region::find_by_path $self->{path})	2134	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	2135	unless $self->default_region;
1487		2136
1488	1	2137	1
1489	}	2138	}
1490		2139
1491	sub find;	2140	sub find;
1492	sub find {	2141	sub find {
1493	my ($path, $origin) = @_;	2142	my ($path, $origin) = @_;
1494		2143
		2144	cf::cede_to_tick;
		2145
1495	$path = normalise $path, $origin && $origin->path;	2146	$path = normalise $path, $origin;
1496		2147
		2148	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	2149	my $guard2 = cf::lock_acquire "map_find:$path";
1498		2150
1499	$cf::MAP{$path} || do {	2151	$cf::MAP{$path} || do {
1500	my $guard = cf::lock_acquire "map_find:$path";
1501	my $map = new_from_path cf::map $path	2152	my $map = new_from_path cf::map $path
1502	or return;	2153	or return;
1503		2154
1504	$map->{last_save} = $cf::RUNTIME;	2155	$map->{last_save} = $cf::RUNTIME;
1505		2156
1506	$map->load_header	2157	$map->load_header
1507	or return;	2158	or return;
1508		2159
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2160	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	2161	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	2162	#$cf::WAIT_FOR_TICK->wait;
		2163	undef $guard2;
		2164	undef $guard1;
1512	$map->reset;	2165	$map->reset;
1513	undef $guard;
1514	return find $path;	2166	return find $path;
1515	}	2167	}
1516		2168
1517	$cf::MAP{$path} = $map	2169	$cf::MAP{$path} = $map
1518	}	2170	}
1519	}	2171	}
1520		2172
1521	sub pre_load { }	2173	sub pre_load { }
1522	sub post_load { }	2174	#sub post_load { } # XS
1523		2175
1524	sub load {	2176	sub load {
1525	my ($self) = @_;	2177	my ($self) = @_;
1526		2178
1527	local $self->{deny_reset} = 1; # loading can take a long time	2179	local $self->{deny_reset} = 1; # loading can take a long time
1528		2180
1529	my $path = $self->{path};	2181	my $path = $self->{path};
1530		2182
1531	{	2183	{
1532	my $guard = cf::lock_acquire "map_load:$path";	2184	my $guard = cf::lock_acquire "map_data:$path";
1533		2185
		2186	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	2187	return unless $self->in_memory == cf::MAP_SWAPPED;
1535		2188
1536	$self->in_memory (cf::MAP_LOADING);	2189	$self->in_memory (cf::MAP_LOADING);
1537		2190
1538	$self->alloc;	2191	$self->alloc;
1539		2192
1540	$self->pre_load;	2193	$self->pre_load;
1541	Coro::cede;	2194	cf::cede_to_tick;
1542		2195
1543	$self->_load_objects ($self->{load_path}, 1)	2196	if (exists $self->{load_path}) {
		2197	my $f = new_from_file cf::object::thawer $self->{load_path};
		2198	$f->skip_block;
		2199	$self->_load_objects ($f)
1544	or return;	2200	or return;
1545		2201
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2202	$self->post_load_original
1547	if delete $self->{load_original};	2203	if delete $self->{load_original};
1548		2204
1549	if (my $uniq = $self->uniq_path) {	2205	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	2206	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	2207	unless (aio_stat $uniq) {
		2208	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	2209	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	2210	$self->_load_objects ($f);
		2211	$f->resolve_delayed_derefs;
		2212	}
		2213	}
1554	}	2214	}
1555	}
1556		2215
1557	Coro::cede;	2216	$f->resolve_delayed_derefs;
		2217	}
		2218
		2219	cf::cede_to_tick;
1558	# now do the right thing for maps	2220	# now do the right thing for maps
1559	$self->link_multipart_objects;	2221	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	2222	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	2223	unless $self->difficulty;
1562	Coro::cede;	2224	cf::cede_to_tick;
1563		2225
1564	unless ($self->{deny_activate}) {	2226	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	2227	$self->decay_objects;
1566	$self->fix_auto_apply;	2228	$self->fix_auto_apply;
1567	$self->update_buttons;	2229	$self->update_buttons;
1568	Coro::cede;	2230	cf::cede_to_tick;
1569	$self->set_darkness_map;
1570	Coro::cede;
1571	$self->activate;	2231	$self->activate;
1572	}	2232	}
1573		2233
		2234	$self->{last_save} = $cf::RUNTIME;
		2235	$self->last_access ($cf::RUNTIME);
		2236
1574	$self->in_memory (cf::MAP_IN_MEMORY);	2237	$self->in_memory (cf::MAP_ACTIVE);
1575	}	2238	}
1576		2239
1577	$self->post_load;	2240	$self->post_load;
1578	}
1579		2241
		2242	1
		2243	}
		2244
		2245	# customize the map for a given player, i.e.
		2246	# return the _real_ map. used by e.g. per-player
		2247	# maps to change the path to ~playername/mappath
1580	sub customise_for {	2248	sub customise_for {
1581	my ($self, $ob) = @_;	2249	my ($self, $ob) = @_;
1582		2250
1583	return find "~" . $ob->name . "/" . $self->{path}	2251	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	2252	if $self->per_player;
1585		2253
		2254	# return find "?party/" . $ob->name . "/" . $self->{path}
		2255	# if $self->per_party;
		2256
1586	$self	2257	$self
1587	}	2258	}
1588		2259
1589	# find and load all maps in the 3x3 area around a map	2260	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	2261	sub load_neighbours {
1591	my ($map) = @_;	2262	my ($map) = @_;
1592		2263
1593	my @diag; # diagonal neighbours	2264	my @neigh; # diagonal neighbours
1594		2265
1595	for (0 .. 3) {	2266	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)	2267	my $neigh = $map->tile_path ($_)
1597	or next;	2268	or next;
1598	$neigh = find $neigh, $map	2269	$neigh = find $neigh, $map
1599	or next;	2270	or next;
1600	$neigh->load;	2271	$neigh->load;
1601		2272
		2273	# now find the diagonal neighbours
		2274	push @neigh,
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2275	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2276	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}	2277	}
1605		2278
1606	for (@diag) {	2279	for (grep defined $_->[0], @neigh) {
		2280	my ($path, $origin) = @$_;
1607	my $neigh = find @$_	2281	my $neigh = find $path, $origin
1608	or next;	2282	or next;
1609	$neigh->load;	2283	$neigh->load;
1610	}	2284	}
1611	}	2285	}
1612		2286
1613	sub find_sync {	2287	sub find_sync {
1614	my ($path, $origin) = @_;	2288	my ($path, $origin) = @_;
1615		2289
1616	cf::sync_job { find $path, $origin }	2290	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2291	if $Coro::current == $Coro::main;
		2292
		2293	find $path, $origin
1617	}	2294	}
1618		2295
1619	sub do_load_sync {	2296	sub do_load_sync {
1620	my ($map) = @_;	2297	my ($map) = @_;
1621		2298
1622	cf::sync_job { $map->load };	2299	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2300	if $Coro::current == $Coro::main;
		2301
		2302	$map->load;
1623	}	2303	}
1624		2304
1625	our %MAP_PREFETCH;	2305	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2306	our $MAP_PREFETCHER = undef;
1627		2307
1628	sub find_async {	2308	sub find_async {
1629	my ($path, $origin) = @_;	2309	my ($path, $origin, $load) = @_;
1630		2310
1631	$path = normalise $path, $origin && $origin->{path};	2311	$path = normalise $path, $origin;
1632		2312
1633	if (my $map = $cf::MAP{$path}) {	2313	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2314	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1635	}	2315	}
1636		2316
1637	undef $MAP_PREFETCH{$path};	2317	$MAP_PREFETCH{$path} |= $load;
		2318
1638	$MAP_PREFETCHER ||= cf::async {	2319	$MAP_PREFETCHER ||= cf::async {
		2320	$Coro::current->{desc} = "map prefetcher";
		2321
1639	while (%MAP_PREFETCH) {	2322	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2323	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2324	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2325	$map->load if $v;
		2326	}
1644		2327
1645	delete $MAP_PREFETCH{$path};	2328	delete $MAP_PREFETCH{$k};
1646	}	2329	}
1647	}	2330	}
1648	undef $MAP_PREFETCHER;	2331	undef $MAP_PREFETCHER;
1649	};	2332	};
1650	$MAP_PREFETCHER->prio (6);	2333	$MAP_PREFETCHER->prio (6);
1651		2334
1652	()	2335	()
1653	}	2336	}
1654		2337
		2338	# common code, used by both ->save and ->swapout
1655	sub save {	2339	sub _save {
1656	my ($self) = @_;	2340	my ($self) = @_;
1657
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;
1659		2341
1660	$self->{last_save} = $cf::RUNTIME;	2342	$self->{last_save} = $cf::RUNTIME;
1661		2343
1662	return unless $self->dirty;	2344	return unless $self->dirty;
1663		2345
…		…
1669	return if $self->{deny_save};	2351	return if $self->{deny_save};
1670		2352
1671	local $self->{last_access} = $self->last_access;#d#	2353	local $self->{last_access} = $self->last_access;#d#
1672		2354
1673	cf::async {	2355	cf::async {
		2356	$Coro::current->{desc} = "map player save";
1674	$_->contr->save for $self->players;	2357	$_->contr->save for $self->players;
1675	};	2358	};
		2359
		2360	cf::get_slot 0.02;
1676		2361
1677	if ($uniq) {	2362	if ($uniq) {
1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2363	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2364	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1680	} else {	2365	} else {
1681	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2366	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1682	}	2367	}
1683	}	2368	}
1684		2369
		2370	sub save {
		2371	my ($self) = @_;
		2372
		2373	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2374
		2375	$self->_save;
		2376	}
		2377
1685	sub swap_out {	2378	sub swap_out {
1686	my ($self) = @_;	2379	my ($self) = @_;
1687		2380
1688	# save first because save cedes
1689	$self->save;
1690
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2381	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2382
		2383	return if $self->in_memory != cf::MAP_ACTIVE;
		2384	return if $self->{deny_save};
1693	return if $self->players;	2385	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;
1695	return if $self->{deny_save};
1696		2386
		2387	# first deactivate the map and "unlink" it from the core
		2388	$self->deactivate;
		2389	$_->clear_links_to ($self) for values %cf::MAP;
		2390	$self->in_memory (cf::MAP_SWAPPED);
		2391
		2392	# then atomically save
		2393	$self->_save;
		2394
		2395	# then free the map
1697	$self->clear;	2396	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2397	}
1700		2398
1701	sub reset_at {	2399	sub reset_at {
1702	my ($self) = @_;	2400	my ($self) = @_;
1703		2401
1704	# TODO: safety, remove and allow resettable per-player maps	2402	# TODO: safety, remove and allow resettable per-player maps
1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1706	return 1e99 if $self->{deny_reset};	2403	return 1e99 if $self->{deny_reset};
1707		2404
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2405	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2406	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2407
…		…
1721	my ($self) = @_;	2418	my ($self) = @_;
1722		2419
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2420	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2421
1725	return if $self->players;	2422	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2423
1728	warn "resetting map ", $self->path;#d#	2424	cf::trace "resetting map ", $self->path, "\n";
1729		2425
1730	$self->in_memory (cf::MAP_SWAPPED);	2426	$self->in_memory (cf::MAP_SWAPPED);
1731		2427
1732	# need to save uniques path	2428	# need to save uniques path
1733	unless ($self->{deny_save}) {	2429	unless ($self->{deny_save}) {
…		…
1737	if $uniq;	2433	if $uniq;
1738	}	2434	}
1739		2435
1740	delete $cf::MAP{$self->path};	2436	delete $cf::MAP{$self->path};
1741		2437
		2438	$self->deactivate;
		2439	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2440	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2441
1746	$self->unlink_save;	2442	$self->unlink_save;
1747	$self->destroy;	2443	$self->destroy;
1748	}	2444	}
1749		2445
1750	my $nuke_counter = "aaaa";	2446	my $nuke_counter = "aaaa";
1751		2447
1752	sub nuke {	2448	sub nuke {
1753	my ($self) = @_;	2449	my ($self) = @_;
1754		2450
		2451	{
		2452	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2453
1755	delete $cf::MAP{$self->path};	2454	delete $cf::MAP{$self->path};
1756		2455
1757	$self->unlink_save;	2456	$self->unlink_save;
1758		2457
1759	bless $self, "cf::map";	2458	bless $self, "cf::map::wrap";
1760	delete $self->{deny_reset};	2459	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2460	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2461	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2462	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2463
1765	$cf::MAP{$self->path} = $self;	2464	$cf::MAP{$self->path} = $self;
		2465	}
1766		2466
1767	$self->reset; # polite request, might not happen	2467	$self->reset; # polite request, might not happen
		2468	}
		2469
		2470	=item $maps = cf::map::tmp_maps
		2471
		2472	Returns an arrayref with all map paths of currently instantiated and saved
		2473	maps. May block.
		2474
		2475	=cut
		2476
		2477	sub tmp_maps() {
		2478	[
		2479	map {
		2480	utf8::decode $_;
		2481	/\.map$/
		2482	? normalise $_
		2483	: ()
		2484	} @{ aio_readdir $TMPDIR or [] }
		2485	]
		2486	}
		2487
		2488	=item $maps = cf::map::random_maps
		2489
		2490	Returns an arrayref with all map paths of currently instantiated and saved
		2491	random maps. May block.
		2492
		2493	=cut
		2494
		2495	sub random_maps() {
		2496	[
		2497	map {
		2498	utf8::decode $_;
		2499	/\.map$/
		2500	? normalise "?random/$_"
		2501	: ()
		2502	} @{ aio_readdir $RANDOMDIR or [] }
		2503	]
1768	}	2504	}
1769		2505
1770	=item cf::map::unique_maps	2506	=item cf::map::unique_maps
1771		2507
1772	Returns an arrayref of paths of all shared maps that have	2508	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2509	instantiated unique items. May block.
1774		2510
1775	=cut	2511	=cut
1776		2512
1777	sub unique_maps() {	2513	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2514	[
1779	or return;	2515	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2516	utf8::decode $_;
1785	next if /\.pst$/;	2517	s/\.map$//; # TODO future compatibility hack
1786	next unless /^$PATH_SEP/o;	2518	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787		2519	? ()
1788	push @paths, cf::map::normalise $_;	2520	: normalise $_
		2521	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2522	]
1790
1791	\@paths
1792	}	2523	}
1793		2524
1794	package cf;	2525	=item cf::map::static_maps
		2526
		2527	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2528	file in the shared directory excluding F</styles> and F</editor>). May
		2529	block.
		2530
		2531	=cut
		2532
		2533	sub static_maps() {
		2534	my @dirs = "";
		2535	my @maps;
		2536
		2537	while (@dirs) {
		2538	my $dir = shift @dirs;
		2539
		2540	next if $dir eq "/styles" || $dir eq "/editor";
		2541
		2542	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2543	or return;
		2544
		2545	for (@$files) {
		2546	s/\.map$// or next;
		2547	utf8::decode $_;
		2548	push @maps, "$dir/$_";
		2549	}
		2550
		2551	push @dirs, map "$dir/$_", @$dirs;
		2552	}
		2553
		2554	\@maps
		2555	}
1795		2556
1796	=back	2557	=back
1797		2558
1798	=head3 cf::object	2559	=head3 cf::object
1799		2560
…		…
1803		2564
1804	=over 4	2565	=over 4
1805		2566
1806	=item $ob->inv_recursive	2567	=item $ob->inv_recursive
1807		2568
1808	Returns the inventory of the object _and_ their inventories, recursively.	2569	Returns the inventory of the object I<and> their inventories, recursively,
		2570	but I<not> the object itself.
1809		2571
1810	=cut	2572	=cut
1811		2573
1812	sub inv_recursive_;	2574	sub inv_recursive_;
1813	sub inv_recursive_ {	2575	sub inv_recursive_ {
…		…
1816		2578
1817	sub inv_recursive {	2579	sub inv_recursive {
1818	inv_recursive_ inv $_[0]	2580	inv_recursive_ inv $_[0]
1819	}	2581	}
1820		2582
		2583	=item $ref = $ob->ref
		2584
		2585	Creates and returns a persistent reference to an object that can be stored as a string.
		2586
		2587	=item $ob = cf::object::deref ($refstring)
		2588
		2589	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2590	even if the object actually exists. May block.
		2591
		2592	=cut
		2593
		2594	sub deref {
		2595	my ($ref) = @_;
		2596
		2597	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2598	my ($uuid, $name) = ($1, $2);
		2599	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2600	or return;
		2601	$pl->ob->uuid eq $uuid
		2602	or return;
		2603
		2604	$pl->ob
		2605	} else {
		2606	warn "$ref: cannot resolve object reference\n";
		2607	undef
		2608	}
		2609	}
		2610
1821	package cf;	2611	package cf;
1822		2612
1823	=back	2613	=back
1824		2614
1825	=head3 cf::object::player	2615	=head3 cf::object::player
…		…
1831	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2621	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1832	can be C<undef>. Does the right thing when the player is currently in a	2622	can be C<undef>. Does the right thing when the player is currently in a
1833	dialogue with the given NPC character.	2623	dialogue with the given NPC character.
1834		2624
1835	=cut	2625	=cut
		2626
		2627	our $SAY_CHANNEL = {
		2628	id => "say",
		2629	title => "Map",
		2630	reply => "say ",
		2631	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2632	};
		2633
		2634	our $CHAT_CHANNEL = {
		2635	id => "chat",
		2636	title => "Chat",
		2637	reply => "chat ",
		2638	tooltip => "Player chat and shouts, global to the server.",
		2639	};
1836		2640
1837	# rough implementation of a future "reply" method that works	2641	# rough implementation of a future "reply" method that works
1838	# with dialog boxes.	2642	# with dialog boxes.
1839	#TODO: the first argument must go, split into a $npc->reply_to ( method	2643	#TODO: the first argument must go, split into a $npc->reply_to ( method
1840	sub cf::object::player::reply($$$;$) {	2644	sub cf::object::player::reply($$$;$) {
…		…
1842		2646
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2647	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2648
1845	if ($self->{record_replies}) {	2649	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2650	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2651
1847	} else {	2652	} else {
		2653	my $pl = $self->contr;
		2654
		2655	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2656	my $dialog = $pl->{npc_dialog};
		2657	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2658
		2659	} else {
1848	$msg = $npc->name . " says: $msg" if $npc;	2660	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2661	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2662	}
1850	}	2663	}
		2664	}
		2665
		2666	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2667
		2668	=cut
		2669
		2670	sub cf::object::send_msg {
		2671	my $pl = shift->contr
		2672	or return;
		2673	$pl->send_msg (@_);
1851	}	2674	}
1852		2675
1853	=item $player_object->may ("access")	2676	=item $player_object->may ("access")
1854		2677
1855	Returns wether the given player is authorized to access resource "access"	2678	Returns wether the given player is authorized to access resource "access"
…		…
1868		2691
1869	=item $player_object->enter_link	2692	=item $player_object->enter_link
1870		2693
1871	Freezes the player and moves him/her to a special map (C<{link}>).	2694	Freezes the player and moves him/her to a special map (C<{link}>).
1872		2695
1873	The player should be reasonably safe there for short amounts of time. You	2696	The player should be reasonably safe there for short amounts of time (e.g.
1874	I<MUST> call C<leave_link> as soon as possible, though.	2697	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2698	though, as the player cannot control the character while it is on the link
		2699	map.
1875		2700
1876	Will never block.	2701	Will never block.
1877		2702
1878	=item $player_object->leave_link ($map, $x, $y)	2703	=item $player_object->leave_link ($map, $x, $y)
1879		2704
…		…
1899	sub cf::object::player::enter_link {	2724	sub cf::object::player::enter_link {
1900	my ($self) = @_;	2725	my ($self) = @_;
1901		2726
1902	$self->deactivate_recursive;	2727	$self->deactivate_recursive;
1903		2728
		2729	++$self->{_link_recursion};
		2730
1904	return if UNIVERSAL::isa $self->map, "ext::map_link";	2731	return if UNIVERSAL::isa $self->map, "ext::map_link";
1905		2732
1906	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2733	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1907	if $self->map && $self->map->{path} ne "{link}";	2734	if $self->map && $self->map->{path} ne "{link}";
1908		2735
1909	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2736	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1910	}	2737	}
1911		2738
1912	sub cf::object::player::leave_link {	2739	sub cf::object::player::leave_link {
1913	my ($self, $map, $x, $y) = @_;	2740	my ($self, $map, $x, $y) = @_;
1914		2741
…		…
1931	($x, $y) = (-1, -1)	2758	($x, $y) = (-1, -1)
1932	unless (defined $x) && (defined $y);	2759	unless (defined $x) && (defined $y);
1933		2760
1934	# use -1 or undef as default coordinates, not 0, 0	2761	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2762	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2763	if $x <= 0 && $y <= 0;
1937		2764
1938	$map->load;	2765	$map->load;
1939	$map->load_diag;	2766	$map->load_neighbours;
1940		2767
1941	return unless $self->contr->active;	2768	return unless $self->contr->active;
1942	$self->activate_recursive;
1943		2769
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2770	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2771	if ($self->enter_map ($map, $x, $y)) {
1946	}	2772	# entering was successful
		2773	delete $self->{_link_recursion};
		2774	# only activate afterwards, to support waiting in hooks
		2775	$self->activate_recursive;
		2776	}
1947		2777
		2778	}
		2779
1948	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2780	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1949		2781
1950	Moves the player to the given map-path and coordinates by first freezing	2782	Moves the player to the given map-path and coordinates by first freezing
1951	her, loading and preparing them map, calling the provided $check callback	2783	her, loading and preparing them map, calling the provided $check callback
1952	that has to return the map if sucecssful, and then unfreezes the player on	2784	that has to return the map if sucecssful, and then unfreezes the player on
1953	the new (success) or old (failed) map position.	2785	the new (success) or old (failed) map position. In either case, $done will
		2786	be called at the end of this process.
		2787
		2788	Note that $check will be called with a potentially non-loaded map, so if
		2789	it needs a loaded map it has to call C<< ->load >>.
1954		2790
1955	=cut	2791	=cut
1956		2792
1957	our $GOTOGEN;	2793	our $GOTOGEN;
1958		2794
1959	sub cf::object::player::goto {	2795	sub cf::object::player::goto {
1960	my ($self, $path, $x, $y, $check) = @_;	2796	my ($self, $path, $x, $y, $check, $done) = @_;
		2797
		2798	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2799	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2800	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2801	($path, $x, $y) = @$EMERGENCY_POSITION;
		2802	}
1961		2803
1962	# do generation counting so two concurrent goto's will be executed in-order	2804	# do generation counting so two concurrent goto's will be executed in-order
1963	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2805	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1964		2806
1965	$self->enter_link;	2807	$self->enter_link;
1966		2808
1967	(async {	2809	(async {
		2810	$Coro::current->{desc} = "player::goto $path $x $y";
		2811
		2812	# *tag paths override both path and x|y
		2813	if ($path =~ /^\*(.*)$/) {
		2814	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2815	my $ob = $obs[rand @obs];
		2816
		2817	# see if we actually can go there
		2818	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2819	$ob = $obs[rand @obs];
		2820	} else {
		2821	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2822	}
		2823	# else put us there anyways for now #d#
		2824
		2825	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2826	} else {
		2827	($path, $x, $y) = (undef, undef, undef);
		2828	}
		2829	}
		2830
1968	my $map = eval {	2831	my $map = eval {
1969	my $map = cf::map::find $path;	2832	my $map = defined $path ? cf::map::find $path, $self->map : undef;
1970		2833
1971	if ($map) {	2834	if ($map) {
1972	$map = $map->customise_for ($self);	2835	$map = $map->customise_for ($self);
1973	$map = $check->($map) if $check && $map;	2836	$map = $check->($map, $x, $y, $self) if $check && $map;
1974	} else {	2837	} else {
1975	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2838	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1976	}	2839	}
1977		2840
1978	$map	2841	$map
1979	};	2842	};
1980		2843
…		…
1985		2848
1986	if ($gen == $self->{_goto_generation}) {	2849	if ($gen == $self->{_goto_generation}) {
1987	delete $self->{_goto_generation};	2850	delete $self->{_goto_generation};
1988	$self->leave_link ($map, $x, $y);	2851	$self->leave_link ($map, $x, $y);
1989	}	2852	}
		2853
		2854	$done->($self) if $done;
1990	})->prio (1);	2855	})->prio (1);
1991	}	2856	}
1992		2857
1993	=item $player_object->enter_exit ($exit_object)	2858	=item $player_object->enter_exit ($exit_object)
1994		2859
…		…
2014	}	2879	}
2015		2880
2016	sub prepare_random_map {	2881	sub prepare_random_map {
2017	my ($exit) = @_;	2882	my ($exit) = @_;
2018		2883
2019	my $guard = cf::lock_acquire "exit_prepare:$exit";
2020
2021	# all this does is basically replace the /! path by	2884	# all this does is basically replace the /! path by
2022	# a new random map path (?random/...) with a seed	2885	# a new random map path (?random/...) with a seed
2023	# that depends on the exit object	2886	# that depends on the exit object
2024		2887
2025	my $rmp = parse_random_map_params $exit->msg;	2888	my $rmp = parse_random_map_params $exit->msg;
…		…
2027	if ($exit->map) {	2890	if ($exit->map) {
2028	$rmp->{region} = $exit->region->name;	2891	$rmp->{region} = $exit->region->name;
2029	$rmp->{origin_map} = $exit->map->path;	2892	$rmp->{origin_map} = $exit->map->path;
2030	$rmp->{origin_x} = $exit->x;	2893	$rmp->{origin_x} = $exit->x;
2031	$rmp->{origin_y} = $exit->y;	2894	$rmp->{origin_y} = $exit->y;
		2895
		2896	$exit->map->touch;
2032	}	2897	}
2033		2898
2034	$rmp->{random_seed} ||= $exit->random_seed;	2899	$rmp->{random_seed} ||= $exit->random_seed;
2035		2900
2036	my $data = cf::to_json $rmp;	2901	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2037	my $md5 = Digest::MD5::md5_hex $data;	2902	my $md5 = Digest::MD5::md5_hex $data;
2038	my $meta = "$RANDOMDIR/$md5.meta";	2903	my $meta = "$RANDOMDIR/$md5.meta";
2039		2904
2040	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2905	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2041	aio_write $fh, 0, (length $data), $data, 0;	2906	aio_write $fh, 0, (length $data), $data, 0;
2042	undef $fh;	2907	undef $fh;
2043	aio_rename "$meta~", $meta;	2908	aio_rename "$meta~", $meta;
2044		2909
		2910	my $slaying = "?random/$md5";
		2911
		2912	if ($exit->valid) {
2045	$exit->slaying ("?random/$md5");	2913	$exit->slaying ("?random/$md5");
2046	$exit->msg (undef);	2914	$exit->msg (undef);
		2915	}
2047	}	2916	}
2048	}	2917	}
2049		2918
2050	sub cf::object::player::enter_exit {	2919	sub cf::object::player::enter_exit {
2051	my ($self, $exit) = @_;	2920	my ($self, $exit) = @_;
2052		2921
2053	return unless $self->type == cf::PLAYER;	2922	return unless $self->type == cf::PLAYER;
2054		2923
2055	if ($exit->slaying eq "/!") {
2056	#TODO: this should de-fi-ni-te-ly not be a sync-job
2057	# the problem is that $exit might not survive long enough
2058	# so it needs to be done right now, right here
2059	cf::sync_job { prepare_random_map $exit };
2060	}
2061
2062	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2063	my $hp = $exit->stats->hp;
2064	my $sp = $exit->stats->sp;
2065
2066	$self->enter_link;	2924	$self->enter_link;
2067		2925
2068	(async {	2926	(async {
2069	$self->deactivate_recursive; # just to be sure	2927	$Coro::current->{desc} = "enter_exit";
		2928
2070	unless (eval {	2929	unless (eval {
		2930	$self->deactivate_recursive; # just to be sure
		2931
		2932	# random map handling
		2933	{
		2934	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2935
		2936	prepare_random_map $exit
		2937	if $exit->slaying eq "/!";
		2938	}
		2939
		2940	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2941	my $x = $exit->stats->hp;
		2942	my $y = $exit->stats->sp;
		2943
2071	$self->goto ($slaying, $hp, $sp);	2944	$self->goto ($map, $x, $y);
2072		2945
		2946	# if exit is damned, update players death & WoR home-position
		2947	$self->contr->savebed ($map, $x, $y)
		2948	if $exit->flag (cf::FLAG_DAMNED);
		2949
2073	1;	2950	1
2074	}) {	2951	}) {
2075	$self->message ("Something went wrong deep within the crossfire server. "	2952	$self->message ("Something went wrong deep within the deliantra server. "
2076	. "I'll try to bring you back to the map you were before. "	2953	. "I'll try to bring you back to the map you were before. "
2077	. "Please report this to the dungeon master!",	2954	. "Please report this to the dungeon master!",
2078	cf::NDI_UNIQUE | cf::NDI_RED);	2955	cf::NDI_UNIQUE | cf::NDI_RED);
2079		2956
2080	warn "ERROR in enter_exit: $@";	2957	error "ERROR in enter_exit: $@";
2081	$self->leave_link;	2958	$self->leave_link;
2082	}	2959	}
2083	})->prio (1);	2960	})->prio (1);
2084	}	2961	}
2085		2962
…		…
2099		2976
2100	utf8::encode $text;	2977	utf8::encode $text;
2101	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2978	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2102	}	2979	}
2103		2980
		2981	=item $client->send_big_packet ($pkt)
		2982
		2983	Like C<send_packet>, but tries to compress large packets, and fragments
		2984	them as required.
		2985
		2986	=cut
		2987
		2988	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2989
		2990	sub cf::client::send_big_packet {
		2991	my ($self, $pkt) = @_;
		2992
		2993	# try lzf for large packets
		2994	$pkt = "lzf " . Compress::LZF::compress $pkt
		2995	if 1024 <= length $pkt and $self->{can_lzf};
		2996
		2997	# split very large packets
		2998	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2999	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3000	$pkt = "frag";
		3001	}
		3002
		3003	$self->send_packet ($pkt);
		3004	}
		3005
		3006	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3007
		3008	Send a drawinfo or msg packet to the client, formatting the msg for the
		3009	client if neccessary. C<$type> should be a string identifying the type of
		3010	the message, with C<log> being the default. If C<$color> is negative, suppress
		3011	the message unless the client supports the msg packet.
		3012
		3013	=cut
		3014
		3015	# non-persistent channels (usually the info channel)
		3016	our %CHANNEL = (
		3017	"c/motd" => {
		3018	id => "infobox",
		3019	title => "MOTD",
		3020	reply => undef,
		3021	tooltip => "The message of the day",
		3022	},
		3023	"c/identify" => {
		3024	id => "infobox",
		3025	title => "Identify",
		3026	reply => undef,
		3027	tooltip => "Items recently identified",
		3028	},
		3029	"c/examine" => {
		3030	id => "infobox",
		3031	title => "Examine",
		3032	reply => undef,
		3033	tooltip => "Signs and other items you examined",
		3034	},
		3035	"c/shopinfo" => {
		3036	id => "infobox",
		3037	title => "Shop Info",
		3038	reply => undef,
		3039	tooltip => "What your bargaining skill tells you about the shop",
		3040	},
		3041	"c/book" => {
		3042	id => "infobox",
		3043	title => "Book",
		3044	reply => undef,
		3045	tooltip => "The contents of a note or book",
		3046	},
		3047	"c/lookat" => {
		3048	id => "infobox",
		3049	title => "Look",
		3050	reply => undef,
		3051	tooltip => "What you saw there",
		3052	},
		3053	"c/who" => {
		3054	id => "infobox",
		3055	title => "Players",
		3056	reply => undef,
		3057	tooltip => "Shows players who are currently online",
		3058	},
		3059	"c/body" => {
		3060	id => "infobox",
		3061	title => "Body Parts",
		3062	reply => undef,
		3063	tooltip => "Shows which body parts you posess and are available",
		3064	},
		3065	"c/statistics" => {
		3066	id => "infobox",
		3067	title => "Statistics",
		3068	reply => undef,
		3069	tooltip => "Shows your primary statistics",
		3070	},
		3071	"c/skills" => {
		3072	id => "infobox",
		3073	title => "Skills",
		3074	reply => undef,
		3075	tooltip => "Shows your experience per skill and item power",
		3076	},
		3077	"c/shopitems" => {
		3078	id => "infobox",
		3079	title => "Shop Items",
		3080	reply => undef,
		3081	tooltip => "Shows the items currently for sale in this shop",
		3082	},
		3083	"c/resistances" => {
		3084	id => "infobox",
		3085	title => "Resistances",
		3086	reply => undef,
		3087	tooltip => "Shows your resistances",
		3088	},
		3089	"c/pets" => {
		3090	id => "infobox",
		3091	title => "Pets",
		3092	reply => undef,
		3093	tooltip => "Shows information abotu your pets/a specific pet",
		3094	},
		3095	"c/perceiveself" => {
		3096	id => "infobox",
		3097	title => "Perceive Self",
		3098	reply => undef,
		3099	tooltip => "You gained detailed knowledge about yourself",
		3100	},
		3101	"c/uptime" => {
		3102	id => "infobox",
		3103	title => "Uptime",
		3104	reply => undef,
		3105	tooltip => "How long the server has been running since last restart",
		3106	},
		3107	"c/mapinfo" => {
		3108	id => "infobox",
		3109	title => "Map Info",
		3110	reply => undef,
		3111	tooltip => "Information related to the maps",
		3112	},
		3113	"c/party" => {
		3114	id => "party",
		3115	title => "Party",
		3116	reply => "gsay ",
		3117	tooltip => "Messages and chat related to your party",
		3118	},
		3119	"c/death" => {
		3120	id => "death",
		3121	title => "Death",
		3122	reply => undef,
		3123	tooltip => "Reason for and more info about your most recent death",
		3124	},
		3125	"c/say" => $SAY_CHANNEL,
		3126	"c/chat" => $CHAT_CHANNEL,
		3127	);
		3128
		3129	sub cf::client::send_msg {
		3130	my ($self, $channel, $msg, $color, @extra) = @_;
		3131
		3132	$msg = $self->pl->expand_cfpod ($msg)
		3133	unless $color & cf::NDI_VERBATIM;
		3134
		3135	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3136
		3137	# check predefined channels, for the benefit of C
		3138	if ($CHANNEL{$channel}) {
		3139	$channel = $CHANNEL{$channel};
		3140
		3141	$self->ext_msg (channel_info => $channel);
		3142	$channel = $channel->{id};
		3143
		3144	} elsif (ref $channel) {
		3145	# send meta info to client, if not yet sent
		3146	unless (exists $self->{channel}{$channel->{id}}) {
		3147	$self->{channel}{$channel->{id}} = $channel;
		3148	$self->ext_msg (channel_info => $channel);
		3149	}
		3150
		3151	$channel = $channel->{id};
		3152	}
		3153
		3154	return unless @extra || length $msg;
		3155
		3156	# default colour, mask it out
		3157	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3158	if $color & cf::NDI_DEF;
		3159
		3160	my $pkt = "msg "
		3161	. $self->{json_coder}->encode (
		3162	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3163	);
		3164
		3165	$self->send_big_packet ($pkt);
		3166	}
		3167
2104	=item $client->ext_event ($type, %msg)	3168	=item $client->ext_msg ($type, @msg)
2105		3169
2106	Sends an exti event to the client.	3170	Sends an ext event to the client.
2107		3171
2108	=cut	3172	=cut
2109		3173
2110	sub cf::client::ext_event($$%) {	3174	sub cf::client::ext_msg($$@) {
2111	my ($self, $type, %msg) = @_;	3175	my ($self, $type, @msg) = @_;
2112		3176
		3177	if ($self->extcmd == 2) {
		3178	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3179	} elsif ($self->extcmd == 1) { # TODO: remove
2113	$msg{msgtype} = "event_$type";	3180	push @msg, msgtype => "event_$type";
2114	$self->send_packet ("ext " . cf::to_json \%msg);	3181	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3182	}
		3183	}
		3184
		3185	=item $client->ext_reply ($msgid, @msg)
		3186
		3187	Sends an ext reply to the client.
		3188
		3189	=cut
		3190
		3191	sub cf::client::ext_reply($$@) {
		3192	my ($self, $id, @msg) = @_;
		3193
		3194	if ($self->extcmd == 2) {
		3195	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3196	} elsif ($self->extcmd == 1) {
		3197	#TODO: version 1, remove
		3198	unshift @msg, msgtype => "reply", msgid => $id;
		3199	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3200	}
2115	}	3201	}
2116		3202
2117	=item $success = $client->query ($flags, "text", \&cb)	3203	=item $success = $client->query ($flags, "text", \&cb)
2118		3204
2119	Queues a query to the client, calling the given callback with	3205	Queues a query to the client, calling the given callback with
2120	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3206	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2121	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3207	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2122		3208
2123	Queries can fail, so check the return code. Or don't, as queries will become	3209	Queries can fail, so check the return code. Or don't, as queries will
2124	reliable at some point in the future.	3210	become reliable at some point in the future.
2125		3211
2126	=cut	3212	=cut
2127		3213
2128	sub cf::client::query {	3214	sub cf::client::query {
2129	my ($self, $flags, $text, $cb) = @_;	3215	my ($self, $flags, $text, $cb) = @_;
…		…
2137	utf8::encode $text;	3223	utf8::encode $text;
2138	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3224	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139		3225
2140	$self->send_packet ($self->{query_queue}[0][0])	3226	$self->send_packet ($self->{query_queue}[0][0])
2141	if @{ $self->{query_queue} } == 1;	3227	if @{ $self->{query_queue} } == 1;
		3228
		3229	1
2142	}	3230	}
2143		3231
2144	cf::client->attach (	3232	cf::client->attach (
		3233	on_connect => sub {
		3234	my ($ns) = @_;
		3235
		3236	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3237	},
2145	on_reply => sub {	3238	on_reply => sub {
2146	my ($ns, $msg) = @_;	3239	my ($ns, $msg) = @_;
2147		3240
2148	# this weird shuffling is so that direct followup queries	3241	# this weird shuffling is so that direct followup queries
2149	# get handled first	3242	# get handled first
…		…
2161	} else {	3254	} else {
2162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3255	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163	}	3256	}
2164	}	3257	}
2165	},	3258	},
		3259	on_exticmd => sub {
		3260	my ($ns, $buf) = @_;
		3261
		3262	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3263
		3264	if (ref $msg) {
		3265	my ($type, $reply, @payload) =
		3266	"ARRAY" eq ref $msg
		3267	? @$msg
		3268	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3269
		3270	my @reply;
		3271
		3272	if (my $cb = $EXTICMD{$type}) {
		3273	@reply = $cb->($ns, @payload);
		3274	}
		3275
		3276	$ns->ext_reply ($reply, @reply)
		3277	if $reply;
		3278
		3279	} else {
		3280	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3281	}
		3282
		3283	cf::override;
		3284	},
2166	);	3285	);
2167		3286
2168	=item $client->async (\&cb)	3287	=item $client->async (\&cb)
2169		3288
2170	Create a new coroutine, running the specified callback. The coroutine will	3289	Create a new coroutine, running the specified callback. The coroutine will
…		…
2186		3305
2187	$coro	3306	$coro
2188	}	3307	}
2189		3308
2190	cf::client->attach (	3309	cf::client->attach (
2191	on_destroy => sub {	3310	on_client_destroy => sub {
2192	my ($ns) = @_;	3311	my ($ns) = @_;
2193		3312
2194	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3313	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2195	},	3314	},
2196	);	3315	);
…		…
2211	our $safe = new Safe "safe";	3330	our $safe = new Safe "safe";
2212	our $safe_hole = new Safe::Hole;	3331	our $safe_hole = new Safe::Hole;
2213		3332
2214	$SIG{FPE} = 'IGNORE';	3333	$SIG{FPE} = 'IGNORE';
2215		3334
2216	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3335	$safe->permit_only (Opcode::opset qw(
		3336	:base_core :base_mem :base_orig :base_math :base_loop
		3337	grepstart grepwhile mapstart mapwhile
		3338	sort time
		3339	));
2217		3340
2218	# here we export the classes and methods available to script code	3341	# here we export the classes and methods available to script code
2219		3342
2220	=pod	3343	=pod
2221		3344
2222	The following functions and methods are available within a safe environment:	3345	The following functions and methods are available within a safe environment:
2223		3346
2224	cf::object contr pay_amount pay_player map	3347	cf::object
		3348	contr pay_amount pay_player map x y force_find force_add destroy
		3349	insert remove name archname title slaying race decrease split
		3350	value
		3351
2225	cf::object::player player	3352	cf::object::player
2226	cf::player peaceful	3353	player
2227	cf::map trigger	3354
		3355	cf::player
		3356	peaceful
		3357
		3358	cf::map
		3359	trigger
2228		3360
2229	=cut	3361	=cut
2230		3362
2231	for (	3363	for (
2232	["cf::object" => qw(contr pay_amount pay_player map)],	3364	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3365	insert remove inv nrof name archname title slaying race
		3366	decrease split destroy change_exp value msg lore send_msg)],
2233	["cf::object::player" => qw(player)],	3367	["cf::object::player" => qw(player)],
2234	["cf::player" => qw(peaceful)],	3368	["cf::player" => qw(peaceful send_msg)],
2235	["cf::map" => qw(trigger)],	3369	["cf::map" => qw(trigger)],
2236	) {	3370	) {
2237	no strict 'refs';
2238	my ($pkg, @funs) = @$_;	3371	my ($pkg, @funs) = @$_;
2239	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3372	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2240	for @funs;	3373	for @funs;
2241	}	3374	}
2242		3375
…		…
2257		3390
2258	my $qcode = $code;	3391	my $qcode = $code;
2259	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3392	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2260	$qcode =~ s/\n/\\n/g;	3393	$qcode =~ s/\n/\\n/g;
2261		3394
		3395	%vars = (_dummy => 0) unless %vars;
		3396
		3397	my @res;
2262	local $_;	3398	local $_;
2263	local @safe::cf::_safe_eval_args = values %vars;
2264		3399
2265	my $eval =	3400	my $eval =
2266	"do {\n"	3401	"do {\n"
2267	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3402	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2268	. "#line 0 \"{$qcode}\"\n"	3403	. "#line 0 \"{$qcode}\"\n"
2269	. $code	3404	. $code
2270	. "\n}"	3405	. "\n}"
2271	;	3406	;
2272		3407
		3408	if ($CFG{safe_eval}) {
2273	sub_generation_inc;	3409	sub_generation_inc;
		3410	local @safe::cf::_safe_eval_args = values %vars;
2274	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3411	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2275	sub_generation_inc;	3412	sub_generation_inc;
		3413	} else {
		3414	local @cf::_safe_eval_args = values %vars;
		3415	@res = wantarray ? eval eval : scalar eval $eval;
		3416	}
2276		3417
2277	if ($@) {	3418	if ($@) {
2278	warn "$@";	3419	warn "$@",
2279	warn "while executing safe code '$code'\n";	3420	"while executing safe code '$code'\n",
2280	warn "with arguments " . (join " ", %vars) . "\n";	3421	"with arguments " . (join " ", %vars) . "\n";
2281	}	3422	}
2282		3423
2283	wantarray ? @res : $res[0]	3424	wantarray ? @res : $res[0]
2284	}	3425	}
2285		3426
…		…
2299	=cut	3440	=cut
2300		3441
2301	sub register_script_function {	3442	sub register_script_function {
2302	my ($fun, $cb) = @_;	3443	my ($fun, $cb) = @_;
2303		3444
2304	no strict 'refs';	3445	$fun = "safe::$fun" if $CFG{safe_eval};
2305	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3446	*$fun = $safe_hole->wrap ($cb);
2306	}	3447	}
2307		3448
2308	=back	3449	=back
2309		3450
2310	=cut	3451	=cut
2311
2312	#############################################################################
2313
2314	=head2 EXTENSION DATABASE SUPPORT
2315
2316	Crossfire maintains a very simple database for extension use. It can
2317	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2318	convert to/from binary).
2319
2320	The parameter C<$family> should best start with the name of the extension
2321	using it, it should be unique.
2322
2323	=over 4
2324
2325	=item $value = cf::db_get $family => $key
2326
2327	Returns a single value from the database.
2328
2329	=item cf::db_put $family => $key => $value
2330
2331	Stores the given C<$value> in the family.
2332
2333	=cut
2334
2335	our $DB;
2336
2337	sub db_init {
2338	unless ($DB) {
2339	$DB = BDB::db_create $DB_ENV;
2340
2341	cf::sync_job {
2342	eval {
2343	$DB->set_flags (BDB::CHKSUM);
2344
2345	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2346	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2347	cf::cleanup "db_open(db): $!" if $!;
2348	};
2349	cf::cleanup "db_open(db): $@" if $@;
2350	};
2351	}
2352	}
2353
2354	sub db_get($$) {
2355	my $key = "$_[0]/$_[1]";
2356
2357	cf::sync_job {
2358	BDB::db_get $DB, undef, $key, my $data;
2359
2360	$! ? ()
2361	: $data
2362	}
2363	}
2364
2365	sub db_put($$$) {
2366	BDB::dbreq_pri 4;
2367	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2368	}
2369
2370	=item cf::cache $id => [$paths...], $processversion => $process
2371
2372	Generic caching function that returns the value of the resource $id,
2373	caching and regenerating as required.
2374
2375	This function can block.
2376
2377	=cut
2378
2379	sub cache {
2380	my ($id, $src, $processversion, $process) = @_;
2381
2382	my $meta =
2383	join "\x00",
2384	$processversion,
2385	map {
2386	aio_stat $_
2387	and Carp::croak "$_: $!";
2388
2389	($_, (stat _)[7,9])
2390	} @$src;
2391
2392	my $dbmeta = db_get cache => "$id/meta";
2393	if ($dbmeta ne $meta) {
2394	# changed, we may need to process
2395
2396	my @data;
2397	my $md5;
2398
2399	for (0 .. $#$src) {
2400	0 <= aio_load $src->[$_], $data[$_]
2401	or Carp::croak "$src->[$_]: $!";
2402	}
2403
2404	# if processing is expensive, check
2405	# checksum first
2406	if (1) {
2407	$md5 =
2408	join "\x00",
2409	$processversion,
2410	map {
2411	Coro::cede;
2412	($src->[$_], Digest::MD5::md5_hex $data[$_])
2413	} 0.. $#$src;
2414
2415
2416	my $dbmd5 = db_get cache => "$id/md5";
2417	if ($dbmd5 eq $md5) {
2418	db_put cache => "$id/meta", $meta;
2419
2420	return db_get cache => "$id/data";
2421	}
2422	}
2423
2424	my $t1 = Time::HiRes::time;
2425	my $data = $process->(\@data);
2426	my $t2 = Time::HiRes::time;
2427
2428	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2429
2430	db_put cache => "$id/data", $data;
2431	db_put cache => "$id/md5" , $md5;
2432	db_put cache => "$id/meta", $meta;
2433
2434	return $data;
2435	}
2436
2437	db_get cache => "$id/data"
2438	}
2439
2440	=item fork_call { }, $args
2441
2442	Executes the given code block with the given arguments in a seperate
2443	process, returning the results. Everything must be serialisable with
2444	Coro::Storable. May, of course, block. Note that the executed sub may
2445	never block itself or use any form of Event handling.
2446
2447	=cut
2448
2449	sub fork_call(&@) {
2450	my ($cb, @args) = @_;
2451
2452	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2453	# or die "socketpair: $!";
2454	pipe my $fh1, my $fh2
2455	or die "pipe: $!";
2456
2457	if (my $pid = fork) {
2458	close $fh2;
2459
2460	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2461	$res = Coro::Storable::thaw $res;
2462
2463	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2464
2465	die $$res unless "ARRAY" eq ref $res;
2466
2467	return wantarray ? @$res : $res->[-1];
2468	} else {
2469	reset_signals;
2470	local $SIG{__WARN__};
2471	local $SIG{__DIE__};
2472	eval {
2473	close $fh1;
2474
2475	my @res = eval { $cb->(@args) };
2476	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2477	};
2478
2479	warn $@ if $@;
2480	_exit 0;
2481	}
2482	}
2483		3452
2484	#############################################################################	3453	#############################################################################
2485	# the server's init and main functions	3454	# the server's init and main functions
2486		3455
2487	sub load_facedata($) {	3456	sub load_facedata($) {
2488	my ($path) = @_;	3457	my ($path) = @_;
2489		3458
		3459	# HACK to clear player env face cache, we need some signal framework
		3460	# for this (global event?)
		3461	%ext::player_env::MUSIC_FACE_CACHE = ();
		3462
		3463	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3464
2490	warn "loading facedata from $path\n";	3465	trace "loading facedata from $path\n";
2491		3466
2492	my $facedata;	3467	my $facedata = decode_storable load_file $path;
2493	0 < aio_load $path, $facedata
2494	or die "$path: $!";
2495
2496	$facedata = Coro::Storable::thaw $facedata;
2497		3468
2498	$facedata->{version} == 2	3469	$facedata->{version} == 2
2499	or cf::cleanup "$path: version mismatch, cannot proceed.";	3470	or cf::cleanup "$path: version mismatch, cannot proceed.";
2500		3471
		3472	# patch in the exptable
		3473	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3474	$facedata->{resource}{"res/exp_table"} = {
		3475	type => FT_RSRC,
		3476	data => $exp_table,
		3477	hash => (Digest::MD5::md5 $exp_table),
		3478	};
		3479	cf::cede_to_tick;
		3480
2501	{	3481	{
2502	my $faces = $facedata->{faceinfo};	3482	my $faces = $facedata->{faceinfo};
2503		3483
2504	while (my ($face, $info) = each %$faces) {	3484	while (my ($face, $info) = each %$faces) {
2505	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3485	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3486
2506	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3487	cf::face::set_visibility $idx, $info->{visibility};
		3488	cf::face::set_magicmap $idx, $info->{magicmap};
2507	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3489	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2508	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3490	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2509	Coro::cede;	3491	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3492
		3493	cf::cede_to_tick;
2510	}	3494	}
2511		3495
2512	while (my ($face, $info) = each %$faces) {	3496	while (my ($face, $info) = each %$faces) {
2513	next unless $info->{smooth};	3497	next unless $info->{smooth};
		3498
2514	my $idx = cf::face::find $face	3499	my $idx = cf::face::find $face
2515	or next;	3500	or next;
		3501
2516	if (my $smooth = cf::face::find $info->{smooth}) {	3502	if (my $smooth = cf::face::find $info->{smooth}) {
		3503	cf::face::set_smooth $idx, $smooth;
2517	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3504	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2518	} else {	3505	} else {
2519	warn "smooth face '$info->{smooth}' not found for face '$face'";	3506	error "smooth face '$info->{smooth}' not found for face '$face'";
2520	}	3507	}
2521	Coro::cede;	3508
		3509	cf::cede_to_tick;
2522	}	3510	}
2523	}	3511	}
2524		3512
2525	{	3513	{
2526	my $anims = $facedata->{animinfo};	3514	my $anims = $facedata->{animinfo};
2527		3515
2528	while (my ($anim, $info) = each %$anims) {	3516	while (my ($anim, $info) = each %$anims) {
2529	cf::anim::set $anim, $info->{frames}, $info->{facings};	3517	cf::anim::set $anim, $info->{frames}, $info->{facings};
2530	Coro::cede;	3518	cf::cede_to_tick;
2531	}	3519	}
2532		3520
2533	cf::anim::invalidate_all; # d'oh	3521	cf::anim::invalidate_all; # d'oh
2534	}	3522	}
2535		3523
		3524	{
		3525	my $res = $facedata->{resource};
		3526
		3527	while (my ($name, $info) = each %$res) {
		3528	if (defined $info->{type}) {
		3529	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3530
		3531	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3532	cf::face::set_type $idx, $info->{type};
		3533	} else {
		3534	$RESOURCE{$name} = $info; # unused
		3535	}
		3536
		3537	cf::cede_to_tick;
		3538	}
		3539	}
		3540
		3541	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3542
2536	1	3543	1
2537	}	3544	}
2538		3545
		3546	register_exticmd fx_want => sub {
		3547	my ($ns, $want) = @_;
		3548
		3549	while (my ($k, $v) = each %$want) {
		3550	$ns->fx_want ($k, $v);
		3551	}
		3552	};
		3553
		3554	sub load_resource_file($) {
		3555	my $guard = lock_acquire "load_resource_file";
		3556
		3557	my $status = load_resource_file_ $_[0];
		3558	get_slot 0.1, 100;
		3559	cf::arch::commit_load;
		3560
		3561	$status
		3562	}
		3563
2539	sub reload_regions {	3564	sub reload_regions {
		3565	# HACK to clear player env face cache, we need some signal framework
		3566	# for this (global event?)
		3567	%ext::player_env::MUSIC_FACE_CACHE = ();
		3568
2540	load_resource_file "$MAPDIR/regions"	3569	load_resource_file "$MAPDIR/regions"
2541	or die "unable to load regions file\n";	3570	or die "unable to load regions file\n";
		3571
		3572	for (cf::region::list) {
		3573	$_->{match} = qr/$_->{match}/
		3574	if exists $_->{match};
		3575	}
2542	}	3576	}
2543		3577
2544	sub reload_facedata {	3578	sub reload_facedata {
2545	load_facedata "$DATADIR/facedata"	3579	load_facedata "$DATADIR/facedata"
2546	or die "unable to load facedata\n";	3580	or die "unable to load facedata\n";
…		…
2554	sub reload_treasures {	3588	sub reload_treasures {
2555	load_resource_file "$DATADIR/treasures"	3589	load_resource_file "$DATADIR/treasures"
2556	or die "unable to load treasurelists\n";	3590	or die "unable to load treasurelists\n";
2557	}	3591	}
2558		3592
		3593	sub reload_sound {
		3594	trace "loading sound config from $DATADIR/sound\n";
		3595
		3596	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3597
		3598	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3599	my $sound = $soundconf->{compat}[$_]
		3600	or next;
		3601
		3602	my $face = cf::face::find "sound/$sound->[1]";
		3603	cf::sound::set $sound->[0] => $face;
		3604	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3605	}
		3606
		3607	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3608	my $face = cf::face::find "sound/$v";
		3609	cf::sound::set $k => $face;
		3610	}
		3611	}
		3612
2559	sub reload_resources {	3613	sub reload_resources {
2560	warn "reloading resource files...\n";	3614	trace "reloading resource files...\n";
2561		3615
		3616	reload_exp_table;
		3617	reload_materials;
		3618	reload_facedata;
		3619	reload_sound;
		3620	reload_archetypes;
2562	reload_regions;	3621	reload_regions;
2563	reload_facedata;
2564	reload_archetypes;
2565	reload_treasures;	3622	reload_treasures;
2566		3623
2567	warn "finished reloading resource files\n";	3624	trace "finished reloading resource files\n";
2568	}	3625	}
2569		3626
2570	sub init {	3627	sub reload_config {
2571	reload_resources;	3628	trace "reloading config file...\n";
2572	}
2573		3629
2574	sub cfg_load {	3630	my $config = load_file "$CONFDIR/config";
2575	open my $fh, "<:utf8", "$CONFDIR/config"	3631	utf8::decode $config;
2576	or return;	3632	*CFG = decode_yaml $config;
2577		3633
2578	local $/;
2579	*CFG = YAML::Syck::Load <$fh>;
2580
2581	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3634	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2582		3635
2583	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3636	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2584	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3637	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2585		3638
2586	if (exists $CFG{mlockall}) {	3639	if (exists $CFG{mlockall}) {
…		…
2590	};	3643	};
2591	warn $@ if $@;	3644	warn $@ if $@;
2592	}	3645	}
2593	}	3646	}
2594		3647
		3648	sub pidfile() {
		3649	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3650	or die "$PIDFILE: $!";
		3651	flock $fh, &Fcntl::LOCK_EX
		3652	or die "$PIDFILE: flock: $!";
		3653	$fh
		3654	}
		3655
		3656	# make sure only one server instance is running at any one time
		3657	sub atomic {
		3658	my $fh = pidfile;
		3659
		3660	my $pid = <$fh>;
		3661	kill 9, $pid if $pid > 0;
		3662
		3663	seek $fh, 0, 0;
		3664	print $fh $$;
		3665	}
		3666
		3667	sub main_loop {
		3668	trace "EV::loop starting\n";
		3669	if (1) {
		3670	EV::loop;
		3671	}
		3672	trace "EV::loop returned\n";
		3673	goto &main_loop unless $REALLY_UNLOOP;
		3674	}
		3675
2595	sub main {	3676	sub main {
		3677	cf::init_globals; # initialise logging
		3678
		3679	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3680	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3681	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3682	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3683
		3684	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3685
2596	# we must not ever block the main coroutine	3686	# we must not ever block the main coroutine
2597	local $Coro::idle = sub {	3687	local $Coro::idle = sub {
2598	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3688	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2599	(async {	3689	(async {
2600	Event::one_event;	3690	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3691	EV::loop EV::LOOP_ONESHOT;
2601	})->prio (Coro::PRIO_MAX);	3692	})->prio (Coro::PRIO_MAX);
2602	};	3693	};
2603		3694
2604	cfg_load;	3695	evthread_start IO::AIO::poll_fileno;
		3696
		3697	cf::sync_job {
		3698	cf::incloader::init ();
		3699
		3700	cf::init_anim;
		3701	cf::init_attackmess;
		3702	cf::init_dynamic;
		3703
		3704	cf::load_settings;
		3705
		3706	reload_resources;
		3707	reload_config;
2605	db_init;	3708	db_init;
		3709
		3710	cf::init_uuid;
		3711	cf::init_signals;
		3712	cf::init_skills;
		3713
		3714	cf::init_beforeplay;
		3715
		3716	atomic;
		3717
2606	load_extensions;	3718	load_extensions;
2607		3719
2608	$TICK_WATCHER->start;	3720	utime time, time, $RUNTIMEFILE;
2609	Event::loop;	3721
		3722	# no (long-running) fork's whatsoever before this point(!)
		3723	use POSIX ();
		3724	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3725
		3726	cf::_post_init 0;
		3727	};
		3728
		3729	cf::object::thawer::errors_are_fatal 0;
		3730	info "parse errors in files are no longer fatal from this point on.\n";
		3731
		3732	my $free_main; $free_main = EV::idle sub {
		3733	undef $free_main;
		3734	undef &main; # free gobs of memory :)
		3735	};
		3736
		3737	goto &main_loop;
2610	}	3738	}
2611		3739
2612	#############################################################################	3740	#############################################################################
2613	# initialisation and cleanup	3741	# initialisation and cleanup
2614		3742
2615	# install some emergency cleanup handlers	3743	# install some emergency cleanup handlers
2616	BEGIN {	3744	BEGIN {
		3745	our %SIGWATCHER = ();
2617	for my $signal (qw(INT HUP TERM)) {	3746	for my $signal (qw(INT HUP TERM)) {
2618	Event->signal (	3747	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2619	reentrant => 0,
2620	data => WF_AUTOCANCEL,
2621	signal => $signal,
2622	prio => 0,
2623	cb => sub {
2624	cf::cleanup "SIG$signal";	3748	cf::cleanup "SIG$signal";
2625	},
2626	);	3749	};
		3750	}
		3751	}
		3752
		3753	sub write_runtime_sync {
		3754	my $t0 = AE::time;
		3755
		3756	# first touch the runtime file to show we are still running:
		3757	# the fsync below can take a very very long time.
		3758
		3759	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3760
		3761	my $guard = cf::lock_acquire "write_runtime";
		3762
		3763	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3764	or return;
		3765
		3766	my $value = $cf::RUNTIME + 90 + 10;
		3767	# 10 is the runtime save interval, for a monotonic clock
		3768	# 60 allows for the watchdog to kill the server.
		3769
		3770	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3771	and return;
		3772
		3773	# always fsync - this file is important
		3774	aio_fsync $fh
		3775	and return;
		3776
		3777	# touch it again to show we are up-to-date
		3778	aio_utime $fh, undef, undef;
		3779
		3780	close $fh
		3781	or return;
		3782
		3783	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3784	and return;
		3785
		3786	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3787
2627	}	3788	1
		3789	}
		3790
		3791	our $uuid_lock;
		3792	our $uuid_skip;
		3793
		3794	sub write_uuid_sync($) {
		3795	$uuid_skip ||= $_[0];
		3796
		3797	return if $uuid_lock;
		3798	local $uuid_lock = 1;
		3799
		3800	my $uuid = "$LOCALDIR/uuid";
		3801
		3802	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3803	or return;
		3804
		3805	my $value = uuid_seq uuid_cur;
		3806
		3807	unless ($value) {
		3808	info "cowardly refusing to write zero uuid value!\n";
		3809	return;
		3810	}
		3811
		3812	my $value = uuid_str $value + $uuid_skip;
		3813	$uuid_skip = 0;
		3814
		3815	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3816	and return;
		3817
		3818	# always fsync - this file is important
		3819	aio_fsync $fh
		3820	and return;
		3821
		3822	close $fh
		3823	or return;
		3824
		3825	aio_rename "$uuid~", $uuid
		3826	and return;
		3827
		3828	trace "uuid file written ($value).\n";
		3829
		3830	1
		3831
		3832	}
		3833
		3834	sub write_uuid($$) {
		3835	my ($skip, $sync) = @_;
		3836
		3837	$sync ? write_uuid_sync $skip
		3838	: async { write_uuid_sync $skip };
2628	}	3839	}
2629		3840
2630	sub emergency_save() {	3841	sub emergency_save() {
2631	my $freeze_guard = cf::freeze_mainloop;	3842	my $freeze_guard = cf::freeze_mainloop;
2632		3843
2633	warn "enter emergency perl save\n";	3844	info "emergency_perl_save: enter\n";
		3845
		3846	# this is a trade-off: we want to be very quick here, so
		3847	# save all maps without fsync, and later call a global sync
		3848	# (which in turn might be very very slow)
		3849	local $USE_FSYNC = 0;
2634		3850
2635	cf::sync_job {	3851	cf::sync_job {
		3852	cf::write_runtime_sync; # external watchdog should not bark
		3853
2636	# use a peculiar iteration method to avoid tripping on perl	3854	# use a peculiar iteration method to avoid tripping on perl
2637	# refcount bugs in for. also avoids problems with players	3855	# refcount bugs in for. also avoids problems with players
2638	# and maps saved/destroyed asynchronously.	3856	# and maps saved/destroyed asynchronously.
2639	warn "begin emergency player save\n";	3857	info "emergency_perl_save: begin player save\n";
2640	for my $login (keys %cf::PLAYER) {	3858	for my $login (keys %cf::PLAYER) {
2641	my $pl = $cf::PLAYER{$login} or next;	3859	my $pl = $cf::PLAYER{$login} or next;
2642	$pl->valid or next;	3860	$pl->valid or next;
		3861	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2643	$pl->save;	3862	$pl->save;
2644	}	3863	}
2645	warn "end emergency player save\n";	3864	info "emergency_perl_save: end player save\n";
2646		3865
2647	warn "begin emergency map save\n";	3866	cf::write_runtime_sync; # external watchdog should not bark
		3867
		3868	info "emergency_perl_save: begin map save\n";
2648	for my $path (keys %cf::MAP) {	3869	for my $path (keys %cf::MAP) {
2649	my $map = $cf::MAP{$path} or next;	3870	my $map = $cf::MAP{$path} or next;
2650	$map->valid or next;	3871	$map->valid or next;
2651	$map->save;	3872	$map->save;
2652	}	3873	}
2653	warn "end emergency map save\n";	3874	info "emergency_perl_save: end map save\n";
2654		3875
2655	warn "begin emergency database checkpoint\n";	3876	cf::write_runtime_sync; # external watchdog should not bark
		3877
		3878	info "emergency_perl_save: begin database checkpoint\n";
2656	BDB::db_env_txn_checkpoint $DB_ENV;	3879	BDB::db_env_txn_checkpoint $DB_ENV;
2657	warn "end emergency database checkpoint\n";	3880	info "emergency_perl_save: end database checkpoint\n";
		3881
		3882	info "emergency_perl_save: begin write uuid\n";
		3883	write_uuid_sync 1;
		3884	info "emergency_perl_save: end write uuid\n";
		3885
		3886	cf::write_runtime_sync; # external watchdog should not bark
		3887
		3888	trace "emergency_perl_save: syncing database to disk";
		3889	BDB::db_env_txn_checkpoint $DB_ENV;
		3890
		3891	info "emergency_perl_save: starting sync\n";
		3892	IO::AIO::aio_sync sub {
		3893	info "emergency_perl_save: finished sync\n";
		3894	};
		3895
		3896	cf::write_runtime_sync; # external watchdog should not bark
		3897
		3898	trace "emergency_perl_save: flushing outstanding aio requests";
		3899	while (IO::AIO::nreqs || BDB::nreqs) {
		3900	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3901	}
		3902
		3903	cf::write_runtime_sync; # external watchdog should not bark
2658	};	3904	};
2659		3905
2660	warn "leave emergency perl save\n";	3906	info "emergency_perl_save: leave\n";
2661	}	3907	}
2662		3908
2663	sub post_cleanup {	3909	sub post_cleanup {
2664	my ($make_core) = @_;	3910	my ($make_core) = @_;
2665		3911
		3912	IO::AIO::flush;
		3913
2666	warn Carp::longmess "post_cleanup backtrace"	3914	error Carp::longmess "post_cleanup backtrace"
2667	if $make_core;	3915	if $make_core;
		3916
		3917	my $fh = pidfile;
		3918	unlink $PIDFILE if <$fh> == $$;
		3919	}
		3920
		3921	# a safer delete_package, copied from Symbol
		3922	sub clear_package($) {
		3923	my $pkg = shift;
		3924
		3925	# expand to full symbol table name if needed
		3926	unless ($pkg =~ /^main::.*::$/) {
		3927	$pkg = "main$pkg" if $pkg =~ /^::/;
		3928	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3929	$pkg .= '::' unless $pkg =~ /::$/;
		3930	}
		3931
		3932	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3933	my $stem_symtab = *{$stem}{HASH};
		3934
		3935	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3936	or return;
		3937
		3938	# clear all symbols
		3939	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3940	for my $name (keys %$leaf_symtab) {
		3941	_gv_clear *{"$pkg$name"};
		3942	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3943	}
2668	}	3944	}
2669		3945
2670	sub do_reload_perl() {	3946	sub do_reload_perl() {
2671	# can/must only be called in main	3947	# can/must only be called in main
2672	if ($Coro::current != $Coro::main) {	3948	unless (in_main) {
2673	warn "can only reload from main coroutine";	3949	error "can only reload from main coroutine";
2674	return;	3950	return;
2675	}	3951	}
2676		3952
2677	warn "reloading...";	3953	return if $RELOAD++;
2678		3954
2679	warn "entering sync_job";	3955	my $t1 = AE::time;
2680		3956
		3957	while ($RELOAD) {
		3958	cf::get_slot 0.1, -1, "reload_perl";
		3959	info "perl_reload: reloading...";
		3960
		3961	trace "perl_reload: entering sync_job";
		3962
2681	cf::sync_job {	3963	cf::sync_job {
2682	cf::write_runtime; # external watchdog should not bark
2683	cf::emergency_save;	3964	#cf::emergency_save;
2684	cf::write_runtime; # external watchdog should not bark
2685		3965
2686	warn "syncing database to disk";
2687	BDB::db_env_txn_checkpoint $DB_ENV;
2688
2689	# if anything goes wrong in here, we should simply crash as we already saved
2690
2691	warn "cancelling all WF_AUTOCANCEL watchers";
2692	for (Event::all_watchers) {
2693	$_->cancel if $_->data & WF_AUTOCANCEL;
2694	}
2695
2696	warn "flushing outstanding aio requests";
2697	for (;;) {
2698	BDB::flush;
2699	IO::AIO::flush;
2700	Coro::cede;
2701	last unless IO::AIO::nreqs || BDB::nreqs;
2702	warn "iterate...";
2703	}
2704
2705	++$RELOAD;
2706
2707	warn "cancelling all extension coros";	3966	trace "perl_reload: cancelling all extension coros";
2708	$_->cancel for values %EXT_CORO;	3967	$_->cancel for values %EXT_CORO;
2709	%EXT_CORO = ();	3968	%EXT_CORO = ();
2710		3969
2711	warn "removing commands";	3970	trace "perl_reload: removing commands";
2712	%COMMAND = ();	3971	%COMMAND = ();
2713		3972
2714	warn "removing ext commands";	3973	trace "perl_reload: removing ext/exti commands";
2715	%EXTCMD = ();	3974	%EXTCMD = ();
		3975	%EXTICMD = ();
2716		3976
2717	warn "unloading/nuking all extensions";	3977	trace "perl_reload: unloading/nuking all extensions";
2718	for my $pkg (@EXTS) {	3978	for my $pkg (@EXTS) {
2719	warn "... unloading $pkg";	3979	trace "... unloading $pkg";
2720		3980
2721	if (my $cb = $pkg->can ("unload")) {	3981	if (my $cb = $pkg->can ("unload")) {
2722	eval {	3982	eval {
2723	$cb->($pkg);	3983	$cb->($pkg);
2724	1	3984	1
2725	} or warn "$pkg unloaded, but with errors: $@";	3985	} or error "$pkg unloaded, but with errors: $@";
		3986	}
		3987
		3988	trace "... clearing $pkg";
		3989	clear_package $pkg;
2726	}	3990	}
2727		3991
2728	warn "... nuking $pkg";
2729	Symbol::delete_package $pkg;
2730	}
2731
2732	warn "unloading all perl modules loaded from $LIBDIR";	3992	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2733	while (my ($k, $v) = each %INC) {	3993	while (my ($k, $v) = each %INC) {
2734	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3994	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2735		3995
2736	warn "... unloading $k";	3996	trace "... unloading $k";
2737	delete $INC{$k};	3997	delete $INC{$k};
2738		3998
2739	$k =~ s/\.pm$//;	3999	$k =~ s/\.pm$//;
2740	$k =~ s/\//::/g;	4000	$k =~ s/\//::/g;
2741		4001
2742	if (my $cb = $k->can ("unload_module")) {	4002	if (my $cb = $k->can ("unload_module")) {
2743	$cb->();	4003	$cb->();
		4004	}
		4005
		4006	clear_package $k;
2744	}	4007	}
2745		4008
2746	Symbol::delete_package $k;
2747	}
2748
2749	warn "getting rid of safe::, as good as possible";	4009	trace "perl_reload: getting rid of safe::, as good as possible";
2750	Symbol::delete_package "safe::$_"	4010	clear_package "safe::$_"
2751	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4011	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2752		4012
2753	warn "unloading cf.pm \"a bit\"";	4013	trace "perl_reload: unloading cf.pm \"a bit\"";
2754	delete $INC{"cf.pm"};	4014	delete $INC{"cf.pm"};
2755	delete $INC{"cf/pod.pm"};	4015	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2756		4016
2757	# don't, removes xs symbols, too,	4017	# don't, removes xs symbols, too,
2758	# and global variables created in xs	4018	# and global variables created in xs
2759	#Symbol::delete_package __PACKAGE__;	4019	#clear_package __PACKAGE__;
2760		4020
2761	warn "unload completed, starting to reload now";	4021	info "perl_reload: unload completed, starting to reload now";
2762		4022
2763	warn "reloading cf.pm";	4023	trace "perl_reload: reloading cf.pm";
2764	require cf;	4024	require cf;
2765	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4025	cf::_connect_to_perl_1;
2766		4026
2767	warn "loading config and database again";	4027	trace "perl_reload: loading config and database again";
2768	cf::cfg_load;	4028	cf::reload_config;
2769		4029
2770	warn "loading extensions";	4030	trace "perl_reload: loading extensions";
2771	cf::load_extensions;	4031	cf::load_extensions;
2772		4032
		4033	if ($REATTACH_ON_RELOAD) {
2773	warn "reattaching attachments to objects/players";	4034	trace "perl_reload: reattaching attachments to objects/players";
2774	_global_reattach; # objects, sockets	4035	_global_reattach; # objects, sockets
2775	warn "reattaching attachments to maps";	4036	trace "perl_reload: reattaching attachments to maps";
2776	reattach $_ for values %MAP;	4037	reattach $_ for values %MAP;
2777	warn "reattaching attachments to players";	4038	trace "perl_reload: reattaching attachments to players";
2778	reattach $_ for values %PLAYER;	4039	reattach $_ for values %PLAYER;
		4040	}
2779		4041
2780	warn "leaving sync_job";	4042	cf::_post_init 1;
2781		4043
		4044	trace "perl_reload: leaving sync_job";
		4045
2782	1	4046	1
2783	} or do {	4047	} or do {
2784	warn $@;	4048	error $@;
2785	warn "error while reloading, exiting.";	4049	cf::cleanup "perl_reload: error, exiting.";
2786	exit 1;	4050	};
		4051
		4052	--$RELOAD;
2787	};	4053	}
2788		4054
2789	warn "reloaded";	4055	$t1 = AE::time - $t1;
		4056	info "perl_reload: completed in ${t1}s\n";
2790	};	4057	};
2791		4058
2792	our $RELOAD_WATCHER; # used only during reload	4059	our $RELOAD_WATCHER; # used only during reload
2793		4060
2794	sub reload_perl() {	4061	sub reload_perl() {
2795	# doing reload synchronously and two reloads happen back-to-back,	4062	# doing reload synchronously and two reloads happen back-to-back,
2796	# coro crashes during coro_state_free->destroy here.	4063	# coro crashes during coro_state_free->destroy here.
2797		4064
2798	$RELOAD_WATCHER ||= Event->timer (	4065	$RELOAD_WATCHER ||= cf::async {
2799	reentrant => 0,	4066	Coro::AIO::aio_wait cache_extensions;
2800	after => 0,	4067
2801	data => WF_AUTOCANCEL,	4068	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2802	cb => sub {
2803	do_reload_perl;	4069	do_reload_perl;
2804	undef $RELOAD_WATCHER;	4070	undef $RELOAD_WATCHER;
2805	},	4071	};
2806	);	4072	};
2807	}	4073	}
2808		4074
2809	register_command "reload" => sub {	4075	register_command "reload" => sub {
2810	my ($who, $arg) = @_;	4076	my ($who, $arg) = @_;
2811		4077
2812	if ($who->flag (FLAG_WIZ)) {	4078	if ($who->flag (FLAG_WIZ)) {
2813	$who->message ("reloading server.");	4079	$who->message ("reloading server.");
		4080	async {
		4081	$Coro::current->{desc} = "perl_reload";
2814	async { reload_perl };	4082	reload_perl;
		4083	};
2815	}	4084	}
2816	};	4085	};
2817		4086
2818	unshift @INC, $LIBDIR;	4087	#############################################################################
2819		4088
2820	my $bug_warning = 0;	4089	my $bug_warning = 0;
2821		4090
2822	our @WAIT_FOR_TICK;	4091	our @WAIT_FOR_TICK;
2823	our @WAIT_FOR_TICK_BEGIN;	4092	our @WAIT_FOR_TICK_BEGIN;
2824		4093
2825	sub wait_for_tick {	4094	sub wait_for_tick() {
2826	return unless $TICK_WATCHER->is_active;
2827	return if $Coro::current == $Coro::main;	4095	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2828		4096
2829	my $signal = new Coro::Signal;	4097	my $signal = new Coro::Signal;
2830	push @WAIT_FOR_TICK, $signal;	4098	push @WAIT_FOR_TICK, $signal;
2831	$signal->wait;	4099	$signal->wait;
2832	}	4100	}
2833		4101
2834	sub wait_for_tick_begin {	4102	sub wait_for_tick_begin() {
2835	return unless $TICK_WATCHER->is_active;
2836	return if $Coro::current == $Coro::main;	4103	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2837		4104
2838	my $signal = new Coro::Signal;	4105	my $signal = new Coro::Signal;
2839	push @WAIT_FOR_TICK_BEGIN, $signal;	4106	push @WAIT_FOR_TICK_BEGIN, $signal;
2840	$signal->wait;	4107	$signal->wait;
2841	}	4108	}
2842		4109
2843	my $min = 1e6;#d#	4110	sub tick {
2844	my $avg = 10;
2845	$TICK_WATCHER = Event->timer (
2846	reentrant => 0,
2847	parked => 1,
2848	prio => 0,
2849	at => $NEXT_TICK || $TICK,
2850	data => WF_AUTOCANCEL,
2851	cb => sub {
2852	if ($Coro::current != $Coro::main) {	4111	if ($Coro::current != $Coro::main) {
2853	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4112	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2854	unless ++$bug_warning > 10;	4113	unless ++$bug_warning > 10;
2855	return;	4114	return;
2856	}	4115	}
2857		4116
2858	$NOW = $tick_start = Event::time;
2859
2860	cf::server_tick; # one server iteration	4117	cf::server_tick; # one server iteration
2861		4118
2862	0 && sync_job {#d#	4119	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2863	for(1..10) {
2864	my $t = Event::time;
2865	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2866	or die;
2867		4120
2868	$map->width (50);	4121	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2869	$map->height (50);	4122	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2870	$map->alloc;	4123	Coro::async_pool {
2871	$map->_load_objects ("/tmp/x.map", 1);	4124	$Coro::current->{desc} = "runtime saver";
2872	my $t = Event::time - $t;	4125	write_runtime_sync
2873		4126	or error "ERROR: unable to write runtime file: $!";
2874	#next unless $t < 0.0013;#d#
2875	if ($t < $min) {
2876	$min = $t;
2877	}
2878	$avg = $avg * 0.99 + $t * 0.01;
2879	}
2880	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2881	exit 0;
2882	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2883	};	4127	};
		4128	}
2884		4129
2885	$RUNTIME += $TICK;
2886	$NEXT_TICK += $TICK;
2887
2888	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2889	$NEXT_RUNTIME_WRITE = $NOW + 10;
2890	Coro::async_pool {
2891	write_runtime
2892	or warn "ERROR: unable to write runtime file: $!";
2893	};
2894	}
2895
2896	# my $AFTER = Event::time;
2897	# warn $AFTER - $NOW;#d#
2898
2899	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4130	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2900	$sig->send;	4131	$sig->send;
2901	}	4132	}
2902	while (my $sig = shift @WAIT_FOR_TICK) {	4133	while (my $sig = shift @WAIT_FOR_TICK) {
2903	$sig->send;	4134	$sig->send;
2904	}	4135	}
2905		4136
2906	$NOW = Event::time;	4137	$LOAD = ($NOW - $TICK_START) / $TICK;
2907
2908	# if we are delayed by four ticks or more, skip them all
2909	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2910
2911	$TICK_WATCHER->at ($NEXT_TICK);
2912	$TICK_WATCHER->start;
2913
2914	$LOAD = ($NOW - $tick_start) / $TICK;
2915	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4138	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2916		4139
2917	_post_tick;	4140	if (0) {
2918		4141	if ($NEXT_TICK) {
2919		4142	my $jitter = $TICK_START - $NEXT_TICK;
		4143	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4144	debug "jitter $JITTER\n";#d#
		4145	}
2920	},	4146	}
2921	);	4147	}
2922		4148
2923	{	4149	{
2924	BDB::max_poll_time $TICK * 0.1;	4150	# configure BDB
2925	$BDB_POLL_WATCHER = Event->io (	4151
2926	reentrant => 0,
2927	fd => BDB::poll_fileno,
2928	poll => 'r',
2929	prio => 0,
2930	data => WF_AUTOCANCEL,
2931	cb => \&BDB::poll_cb,
2932	);
2933	BDB::min_parallel 8;	4152	BDB::min_parallel 16;
2934		4153	BDB::max_poll_reqs $TICK * 0.1;
2935	BDB::set_sync_prepare {	4154	$AnyEvent::BDB::WATCHER->priority (1);
2936	my $status;
2937	my $current = $Coro::current;
2938	(
2939	sub {
2940	$status = $!;
2941	$current->ready; undef $current;
2942	},
2943	sub {
2944	Coro::schedule while defined $current;
2945	$! = $status;
2946	},
2947	)
2948	};
2949		4155
2950	unless ($DB_ENV) {	4156	unless ($DB_ENV) {
2951	$DB_ENV = BDB::db_env_create;	4157	$DB_ENV = BDB::db_env_create;
		4158	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4159	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4160	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4161	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4162	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2952		4163
2953	cf::sync_job {	4164	cf::sync_job {
2954	eval {	4165	eval {
2955	BDB::db_env_open	4166	BDB::db_env_open
2956	$DB_ENV,	4167	$DB_ENV,
…		…
2958	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4169	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2959	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4170	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2960	0666;	4171	0666;
2961		4172
2962	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4173	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2963
2964	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2965	$DB_ENV->set_lk_detect;
2966	};	4174	};
2967		4175
2968	cf::cleanup "db_env_open(db): $@" if $@;	4176	cf::cleanup "db_env_open(db): $@" if $@;
2969	};	4177	};
2970	}	4178	}
		4179
		4180	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4181	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4182	};
		4183	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4184	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4185	};
		4186	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4187	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4188	};
2971	}	4189	}
2972		4190
2973	{	4191	{
		4192	# configure IO::AIO
		4193
2974	IO::AIO::min_parallel 8;	4194	IO::AIO::min_parallel 8;
2975
2976	undef $Coro::AIO::WATCHER;
2977	IO::AIO::max_poll_time $TICK * 0.1;	4195	IO::AIO::max_poll_time $TICK * 0.1;
2978	$AIO_POLL_WATCHER = Event->io (	4196	undef $AnyEvent::AIO::WATCHER;
2979	reentrant => 0,
2980	data => WF_AUTOCANCEL,
2981	fd => IO::AIO::poll_fileno,
2982	poll => 'r',
2983	prio => 6,
2984	cb => \&IO::AIO::poll_cb,
2985	);
2986	}	4197	}
2987		4198
2988	my $_log_backtrace;	4199	our $_log_backtrace;
		4200	our $_log_backtrace_last;
2989		4201
2990	sub _log_backtrace {	4202	sub _log_backtrace {
2991	my ($msg, @addr) = @_;	4203	my ($msg, @addr) = @_;
2992		4204
2993	$msg =~ s/\n//;	4205	$msg =~ s/\n$//;
2994		4206
		4207	if ($_log_backtrace_last eq $msg) {
		4208	LOG llevInfo, "[ABT] $msg\n";
		4209	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2995	# limit the # of concurrent backtraces	4210	# limit the # of concurrent backtraces
2996	if ($_log_backtrace < 2) {	4211	} elsif ($_log_backtrace < 2) {
		4212	$_log_backtrace_last = $msg;
2997	++$_log_backtrace;	4213	++$_log_backtrace;
		4214	my $perl_bt = Carp::longmess $msg;
2998	async {	4215	async {
		4216	$Coro::current->{desc} = "abt $msg";
		4217
2999	my @bt = fork_call {	4218	my @bt = fork_call {
3000	@addr = map { sprintf "%x", $_ } @addr;	4219	@addr = map { sprintf "%x", $_ } @addr;
3001	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4220	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3002	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4221	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3003	or die "addr2line: $!";	4222	or die "addr2line: $!";
…		…
3011	}	4230	}
3012		4231
3013	@funcs	4232	@funcs
3014	};	4233	};
3015		4234
3016	LOG llevInfo, "[ABT] $msg\n";	4235	LOG llevInfo, "[ABT] $perl_bt\n";
		4236	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3017	LOG llevInfo, "[ABT] $_\n" for @bt;	4237	LOG llevInfo, "[ABT] $_\n" for @bt;
3018	--$_log_backtrace;	4238	--$_log_backtrace;
3019	};	4239	};
3020	} else {	4240	} else {
3021	LOG llevInfo, "[ABT] $msg\n";	4241	LOG llevInfo, "[ABT] $msg\n";
3022	LOG llevInfo, "[ABT] [suppressed]\n";	4242	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3023	}	4243	}
3024	}	4244	}
3025		4245
3026	# load additional modules	4246	# load additional modules
3027	use cf::pod;	4247	require "cf/$_.pm" for @EXTRA_MODULES;
		4248	cf::_connect_to_perl_2;
3028		4249
3029	END { cf::emergency_save }	4250	END { cf::emergency_save }
3030		4251
3031	1	4252	1
3032		4253

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