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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.325 by root, Sat Jul 28 14:32:22 2007 UTC vs.
Revision 1.567 by root, Mon May 2 16:16:00 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
25	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
26	use BDB ();	54	use BDB ();
27	use Data::Dumper;	55	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	56	use Fcntl;
30	use YAML::Syck ();	57	use YAML::XS ();
31	use IO::AIO 2.32 ();	58	use IO::AIO ();
32	use Time::HiRes;	59	use Time::HiRes;
33	use Compress::LZF;	60	use Compress::LZF;
34	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
35		64
36	# configure various modules to our taste	65	# configure various modules to our taste
37	#	66	#
38	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
39	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";
40	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
41		75
42	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
43		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		78
49	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;
50		82
51	our %COMMAND = ();	83	our %COMMAND = ();
52	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
53		85
54	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
55	our %EXTCMD = ();	87	our %EXTCMD = ();
56	our %EXTICMD = ();	88	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
59		91
60	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
62		96
63	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
64	our $DATADIR = datadir;	99	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
68	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
73	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;
74		120
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	123	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
82		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
85		132
86	our %CFG;	133	our %CFG;
87		134
88	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
90		138
91	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
94		142
95	# 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 ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		145
98	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)
99	our $LOADAVG; # same thing, but with alpha-smoothing	147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
100	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 $REALLY_UNLOOP; # never set to true, please :)
101		155
102	binmode STDOUT;	156	binmode STDOUT;
103	binmode STDERR;	157	binmode STDERR;
104		158
105	# read virtual server time, if available	159	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	161	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
110	}	164	}
		165
		166	eval "sub TICK() { $TICK } 1" or die;
111		167
112	mkdir $_	168	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		170
115	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
116		172
117	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::"} };
118		189
119	#############################################################################	190	#############################################################################
120		191
121	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
122		193
…		…
158		229
159	The raw value load value from the last tick.	230	The raw value load value from the last tick.
160		231
161	=item %cf::CFG	232	=item %cf::CFG
162		233
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	235	from wherever your confdir points to.
165		236
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		238
168	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
169	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
170	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.
171		242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
172	=item @cf::INVOKE_RESULTS	248	=item @cf::INVOKE_RESULTS
173		249
174	This array contains the results of the last C<invoke ()> call. When	250	This array contains the results of the last C<invoke ()> call. When
175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
176	that call.	252	that call.
177		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
178	=back	260	=back
179		261
180	=cut	262	=cut
181		263
182	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
183	*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 {
184	my $msg = join "", @_;	271	my $msg = join "", @_;
185		272
186	$msg .= "\n"	273	$msg .= "\n"
187	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
188		275
189	$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;
190		277
191	utf8::encode $msg;
192	LOG llevError, $msg;	278	LOG llevWarn, $msg;
193	};	279	};
194	}	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	};
195		294
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	305	for my $pkg (qw(
207	cf::global cf::attachable	306	cf::global cf::attachable
208	cf::object cf::object::player	307	cf::object cf::object::player
209	cf::client cf::player	308	cf::client cf::player
210	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
211	cf::map cf::party cf::region	311	cf::party cf::region
212	)) {	312	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	314	}
216		315
217	$Event::DIED = sub {	316	$EV::DIED = sub {
218	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
219	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
220		324
221	#############################################################################	325	#############################################################################
222		326
223	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
224		328
…		…
245	$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;
246	$d	350	$d
247	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
248	}	352	}
249		353
		354	=item $scalar = load_file $path
		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
250	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
251		369
252	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
253		371
254	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
255		373
256	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
257		375
258	=cut	376	=cut
259		377
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		379
262	sub to_json ($) { $json_coder->encode ($_[0]) }	380	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[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	}
264		444
265	=item cf::lock_wait $string	445	=item cf::lock_wait $string
266		446
267	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
268		448
269	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
270		450
271	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
272	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,
273	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
274	returned.	454	returned.
275		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
276	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
277	uses map_find and cf::map::load uses map_load).	460	uses map_find and cf::map::load uses map_load).
278		461
279	=item $locked = cf::lock_active $string	462	=item $locked = cf::lock_active $string
280		463
281	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.
282		465
283	=cut	466	=cut
284		467
285	our %LOCK;	468	our $LOCKS = new Coro::SemaphoreSet;
286		469
287	sub lock_wait($) {	470	sub lock_wait($) {
288	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
289
290	# wait for lock, if any
291	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;
294	}
295	}	472	}
296		473
297	sub lock_acquire($) {	474	sub lock_acquire($) {
298	my ($key) = @_;	475	$LOCKS->guard ($_[0])
299
300	# wait, to be sure we are not locked
301	lock_wait $key;
302
303	$LOCK{$key} = [];
304
305	Coro::guard {
306	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };
308	}
309	}	476	}
310		477
311	sub lock_active($) {	478	sub lock_active($) {
312	my ($key) = @_;	479	$LOCKS->count ($_[0]) < 1
313
314	! ! $LOCK{$key}
315	}	480	}
316		481
317	sub freeze_mainloop {	482	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
319		484
320	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
321	$TICK_WATCHER->start;	486	}
322	};	487
323	$TICK_WATCHER->stop;	488	=item cf::periodic $interval, $cb
324	$guard	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
325	}	501	}
326		502
327	=item cf::get_slot $time[, $priority[, $name]]	503	=item cf::get_slot $time[, $priority[, $name]]
328		504
329	Allocate $time seconds of blocking CPU time at priority C<$priority>:	505	Allocate $time seconds of blocking CPU time at priority C<$priority>
330	This call blocks and returns only when you have at least C<$time> seconds	506	(default: 0): This call blocks and returns only when you have at least
331	of cpu time till the next tick. The slot is only valid till the next cede.	507	C<$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.
332		512
333	The optional C<$name> can be used to identify the job to run. It might be	513	The optional C<$name> can be used to identify the job to run. It might be
334	used for statistical purposes and should identify the same time-class.	514	used for statistical purposes and should identify the same time-class.
335		515
336	Useful for short background jobs.	516	Useful for short background jobs.
337		517
338	=cut	518	=cut
339		519
340	our @SLOT_QUEUE;	520	our @SLOT_QUEUE;
341	our $SLOT_QUEUE;	521	our $SLOT_QUEUE;
		522	our $SLOT_DECAY = 0.9;
342		523
343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	524	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
344	$SLOT_QUEUE = Coro::async {	525	$SLOT_QUEUE = Coro::async {
		526	$Coro::current->desc ("timeslot manager");
		527
345	my $signal = new Coro::Signal;	528	my $signal = new Coro::Signal;
		529	my $busy;
346		530
347	while () {	531	while () {
348	next_job:	532	next_job:
		533
349	my $avail = cf::till_tick;	534	my $avail = cf::till_tick;
350	if ($avail > 0.01) {	535
351	for (0 .. $#SLOT_QUEUE) {	536	for (0 .. $#SLOT_QUEUE) {
352	if ($SLOT_QUEUE[$_][0] < $avail) {	537	if ($SLOT_QUEUE[$_][0] <= $avail) {
		538	$busy = 0;
353	my $job = splice @SLOT_QUEUE, $_, 1, ();	539	my $job = splice @SLOT_QUEUE, $_, 1, ();
354	$job->[2]->send;	540	$job->[2]->send;
355	Coro::cede;	541	Coro::cede;
356	goto next_job;	542	goto next_job;
357	}	543	} else {
		544	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
358	}	545	}
359	}	546	}
360		547
361	if (@SLOT_QUEUE) {	548	if (@SLOT_QUEUE) {
362	# we do not use wait_For_tick() as it returns immediately when tick is inactive	549	# we do not use wait_for_tick() as it returns immediately when tick is inactive
363	push @cf::WAIT_FOR_TICK, $signal;	550	push @cf::WAIT_FOR_TICK, $signal;
364	$signal->wait;	551	$signal->wait;
365	} else {	552	} else {
		553	$busy = 0;
366	Coro::schedule;	554	Coro::schedule;
367	}	555	}
368	}	556	}
369	};	557	};
370		558
371	sub get_slot($;$$) {	559	sub get_slot($;$$) {
		560	return if tick_inhibit || $Coro::current == $Coro::main;
		561
372	my ($time, $pri, $name) = @_;	562	my ($time, $pri, $name) = @_;
373		563
374	$time = $TICK * .6 if $time > $TICK * .6;	564	$time = clamp $time, 0.01, $TICK * .6;
		565
375	my $sig = new Coro::Signal;	566	my $sig = new Coro::Signal;
376		567
377	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	568	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
378	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	569	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
379	$SLOT_QUEUE->ready;	570	$SLOT_QUEUE->ready;
…		…
390		581
391	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
392		583
393	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
394		585
395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	586	The design of Deliantra requires that the main coroutine ($Coro::main)
396	is always able to handle events or runnable, as Crossfire TRT is only	587	is always able to handle events or runnable, as Deliantra is only
397	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	588	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
398	acceptable.	589	acceptable.
399		590
400	If it must be done, put the blocking parts into C<sync_job>. This will run	591	If it must be done, put the blocking parts into C<sync_job>. This will run
401	the given BLOCK in another coroutine while waiting for the result. The	592	the given BLOCK in another coroutine while waiting for the result. The
…		…
405	=cut	596	=cut
406		597
407	sub sync_job(&) {	598	sub sync_job(&) {
408	my ($job) = @_;	599	my ($job) = @_;
409		600
410	if ($Coro::current == $Coro::main) {	601	if (in_main) {
411	my $time = Event::time;	602	my $time = AE::time;
412		603
413	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
414	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
415		606
416	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
417	# (but this is cancel-safe)	608
418	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
419		610
420	my $busy = 1;	611	my $busy = 1;
421	my @res;	612	my @res;
422		613
423	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
424	@res = eval { $job->() };	616	@res = eval { $job->() };
425	warn $@ if $@;	617	error $@ if $@;
426	undef $busy;	618	undef $busy;
427	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
428		620
429	while ($busy) {	621	while ($busy) {
430	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
431	}	626	}
		627	}
432		628
433	$time = Event::time - $time;	629	my $time = AE::time - $time;
434		630
435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
437
438	$tick_start += $time; # do not account sync jobs to server load	631	$TICK_START += $time; # do not account sync jobs to server load
439		632
440	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
441	} else {	634	} else {
442	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
443		636
…		…
463	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
464		657
465	$coro	658	$coro
466	}	659	}
467		660
468	=item fork_call { }, $args	661	=item fork_call { }, @args
469		662
470	Executes the given code block with the given arguments in a seperate	663	Executes the given code block with the given arguments in a seperate
471	process, returning the results. Everything must be serialisable with	664	process, returning the results. Everything must be serialisable with
472	Coro::Storable. May, of course, block. Note that the executed sub may	665	Coro::Storable. May, of course, block. Note that the executed sub may
473	never block itself or use any form of Event handling.	666	never block itself or use any form of event handling.
474		667
475	=cut	668	=cut
476		669
477	sub _store_scalar {	670	sub post_fork {
478	open my $fh, ">", \my $buf	671	reset_signals;
479	or die "fork_call: cannot open fh-to-buf in child : $!";
480	Storable::store_fd $_[0], $fh;
481	close $fh;
482
483	$buf
484	}	672	}
485		673
486	sub fork_call(&@) {	674	sub fork_call(&@) {
487	my ($cb, @args) = @_;	675	my ($cb, @args) = @_;
488		676
489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	677	# we seemingly have to make a local copy of the whole thing,
490	# or die "socketpair: $!";	678	# otherwise perl prematurely frees the stuff :/
491	pipe my $fh1, my $fh2	679	# TODO: investigate and fix (likely this will be rather laborious)
492	or die "pipe: $!";
493		680
494	if (my $pid = fork) {	681	my @res = Coro::Util::fork_eval {
495	close $fh2;	682	cf::post_fork;
		683	&$cb
		684	} @args;
496		685
497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	686	wantarray ? @res : $res[-1]
498	warn "pst<$res>" unless $res =~ /^pst/;	687	}
499	$res = Coro::Storable::thaw $res;
500		688
501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	689	sub objinfo {
502
503	Carp::confess $$res unless "ARRAY" eq ref $res;
504
505	return wantarray ? @$res : $res->[-1];
506	} else {
507	reset_signals;
508	local $SIG{__WARN__};
509	local $SIG{__DIE__};
510	# just in case, this hack effectively disables event
511	# in the child. cleaner and slower would be canceling all watchers,
512	# but this works for the time being.
513	local $Coro::idle;
514	$Coro::current->prio (Coro::PRIO_MAX);
515
516	eval {
517	close $fh1;
518
519	my @res = eval { $cb->(@args) };
520
521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
522	close $fh2;
523	};
524
525	warn $@ if $@;
526	_exit 0;
527	}	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
528	}	725	}
529		726
530	=item $value = cf::db_get $family => $key	727	=item $value = cf::db_get $family => $key
531		728
532	Returns a single value from the environment database.	729	Returns a single value from the environment database.
…		…
534	=item cf::db_put $family => $key => $value	731	=item cf::db_put $family => $key => $value
535		732
536	Stores the given C<$value> in the family. It can currently store binary	733	Stores the given C<$value> in the family. It can currently store binary
537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	734	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
538		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
539	=cut	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	}
540		762
541	our $DB;	763	our $DB;
542		764
543	sub db_init {	765	sub db_init {
544	unless ($DB) {	766	$DB ||= db_table "db";
545	$DB = BDB::db_create $DB_ENV;
546
547	cf::sync_job {
548	eval {
549	$DB->set_flags (BDB::CHKSUM);
550
551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
553	cf::cleanup "db_open(db): $!" if $!;
554	};
555	cf::cleanup "db_open(db): $@" if $@;
556	};
557	}
558	}	767	}
559		768
560	sub db_get($$) {	769	sub db_get($$) {
561	my $key = "$_[0]/$_[1]";	770	my $key = "$_[0]/$_[1]";
562		771
563	cf::sync_job {	772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
564	BDB::db_get $DB, undef, $key, my $data;	775	BDB::db_get $DB, undef, $key, my $data;
565		776
566	$! ? ()	777	$! ? ()
567	: $data	778	: $data
568	}
569	}	779	}
570		780
571	sub db_put($$$) {	781	sub db_put($$$) {
572	BDB::dbreq_pri 4;	782	BDB::dbreq_pri 4;
573	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
601		811
602	my @data;	812	my @data;
603	my $md5;	813	my $md5;
604		814
605	for (0 .. $#$src) {	815	for (0 .. $#$src) {
606	0 <= aio_load $src->[$_], $data[$_]	816	$data[$_] = load_file $src->[$_];
607	or Carp::croak "$src->[$_]: $!";
608	}	817	}
609		818
610	# if processing is expensive, check	819	# if processing is expensive, check
611	# checksum first	820	# checksum first
612	if (1) {	821	if (1) {
613	$md5 =	822	$md5 =
614	join "\x00",	823	join "\x00",
615	$processversion,	824	$processversion,
616	map {	825	map {
617	Coro::cede;	826	cf::cede_to_tick;
618	($src->[$_], Digest::MD5::md5_hex $data[$_])	827	($src->[$_], Digest::MD5::md5_hex $data[$_])
619	} 0.. $#$src;	828	} 0.. $#$src;
620		829
621		830
622	my $dbmd5 = db_get cache => "$id/md5";	831	my $dbmd5 = db_get cache => "$id/md5";
…		…
629		838
630	my $t1 = Time::HiRes::time;	839	my $t1 = Time::HiRes::time;
631	my $data = $process->(\@data);	840	my $data = $process->(\@data);
632	my $t2 = Time::HiRes::time;	841	my $t2 = Time::HiRes::time;
633		842
634	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
635		844
636	db_put cache => "$id/data", $data;	845	db_put cache => "$id/data", $data;
637	db_put cache => "$id/md5" , $md5;	846	db_put cache => "$id/md5" , $md5;
638	db_put cache => "$id/meta", $meta;	847	db_put cache => "$id/meta", $meta;
639		848
…		…
649		858
650	=cut	859	=cut
651		860
652	sub datalog($@) {	861	sub datalog($@) {
653	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
654	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
655	}	864	}
656		865
657	=back	866	=back
658		867
659	=cut	868	=cut
660		869
661	#############################################################################	870	#############################################################################
662		871
663	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
664		873
665	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
666	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")
667	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
668		877
669	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>
670	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
671	Crossfire TRT).	880	Deliantra).
672		881
673	=over 4	882	=over 4
674		883
675	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
676		885
…		…
720	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
721		930
722	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
723	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
724		933
725	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
726	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.
727		936
728	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
729		938
730	=over 4	939	=over 4
…		…
854		1063
855	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
856	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
857		1066
858	} elsif (ref $type) {	1067	} elsif (ref $type) {
859	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
860		1069
861	} else {	1070	} else {
862	shift @arg;	1071	shift @arg;
863	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
864	}	1073	}
865	}	1074	}
866	}	1075	}
867		1076
868	sub _object_attach {	1077	sub _object_attach {
…		…
878	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
879	}	1088	}
880		1089
881	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
882	} else {	1091	} else {
883	warn "object uses attachment '$name' which is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
884	}	1093	}
885		1094
886	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
887	}	1096	}
888		1097
…		…
947		1156
948	for (@$callbacks) {	1157	for (@$callbacks) {
949	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
950		1159
951	if ($@) {	1160	if ($@) {
952	warn "$@";
953	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
954	override;	1162	override;
955	}	1163	}
956		1164
957	return 1 if $override;	1165	return 1 if $override;
958	}	1166	}
959		1167
960	0	1168	0
961	}	1169	}
962		1170
963	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
964		1172
965	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
966		1174
967	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
968		1176
…		…
974		1182
975	=cut	1183	=cut
976		1184
977	#############################################################################	1185	#############################################################################
978	# object support	1186	# object support
979	#
980		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#
981	sub _can_merge {	1221	sub _can_merge {
982	my ($ob1, $ob2) = @_;	1222	my ($ob1, $ob2) = @_;
983		1223
984	local $Storable::canonical = 1;	1224	++$SLOW_MERGES;#d#
985	my $fob1 = Storable::freeze $ob1;
986	my $fob2 = Storable::freeze $ob2;
987		1225
988	$fob1 eq $fob2	1226	# we do the slow way here
		1227	return _object_equal $ob1, $ob2
989	}	1228	}
990		1229
991	sub reattach {	1230	sub reattach {
992	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
993	my ($obj) = @_;	1232	my ($obj) = @_;
994		1233
		1234	# no longer needed after getting rid of delete_package?
995	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
996		1236
997	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
998		1238
999	@$registry = ();	1239	@$registry = ();
1000		1240
…		…
1005	for (@$attach) {	1245	for (@$attach) {
1006	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
1007	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
1008	}	1248	}
1009	} else {	1249	} else {
1010	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
1011	}	1251	}
1012	}	1252	}
1013	}	1253	}
1014		1254
1015	cf::attachable->attach (	1255	cf::attachable->attach (
1016	prio => -1000000,	1256	prio => -1000000,
1017	on_instantiate => sub {	1257	on_instantiate => sub {
1018	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
1019		1259
1020	$data = from_json $data;	1260	$data = decode_json $data;
1021		1261
1022	for (@$data) {	1262	for (@$data) {
1023	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
1024		1264
1025	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
1041	sub object_freezer_save {	1281	sub object_freezer_save {
1042	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
1043		1283
1044	sync_job {	1284	sync_job {
1045	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
1046	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
1047	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
1048		1290
1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1050	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1052	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	}
1053	close $fh;	1298	aio_close $fh;
1054		1299
1055	if (@$objs) {	1300	if (@$objs) {
1056	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) {
1057	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
1058	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1059	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
1060	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	}
1061	close $fh;	1309	aio_close $fh;
1062	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
1063	}	1311	}
1064	} else {	1312	} else {
1065	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
1066	}	1314	}
1067		1315
1068	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
1069	} else {	1320	} else {
1070	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
1071	}	1322	}
1072	} else {	1323	} else {
1073	aio_unlink $filename;	1324	aio_unlink $filename;
1074	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
1075	}	1326	}
1076	}	1327	};
1077	}	1328	}
1078		1329
1079	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
1080	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
1081		1332
…		…
1093	or return;	1344	or return;
1094		1345
1095	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
1096	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
1097	or return;	1348	or return;
		1349
1098	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
1099	}	1352	}
1100		1353
		1354	utf8::decode (my $decname = $filename);
1101	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
1102	$filename, length $data, scalar @{$av || []};	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
1103	return ($data, $av);	1359	($data, $av)
1104	}	1360	}
1105		1361
1106	=head2 COMMAND CALLBACKS	1362	=head2 COMMAND CALLBACKS
1107		1363
1108	=over 4	1364	=over 4
…		…
1162	my ($name, $cb) = @_;	1418	my ($name, $cb) = @_;
1163		1419
1164	$EXTICMD{$name} = $cb;	1420	$EXTICMD{$name} = $cb;
1165	}	1421	}
1166		1422
		1423	use File::Glob ();
		1424
1167	cf::player->attach (	1425	cf::player->attach (
1168	on_command => sub {	1426	on_unknown_command => sub {
1169	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
1170		1428
1171	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
1172	or return;	1430	or return;
1173		1431
…		…
1186	my ($type, $reply, @payload) =	1444	my ($type, $reply, @payload) =
1187	"ARRAY" eq ref $msg	1445	"ARRAY" eq ref $msg
1188	? @$msg	1446	? @$msg
1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	1447	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1190		1448
		1449	my @reply;
		1450
1191	if (my $cb = $EXTCMD{$type}) {	1451	if (my $cb = $EXTCMD{$type}) {
1192	my @reply = $cb->($pl, @payload);	1452	@reply = $cb->($pl, @payload);
1193
1194	$pl->ext_reply ($reply, @reply)
1195	if $reply;
1196	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
1197	} else {	1458	} else {
1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1199	}	1460	}
1200		1461
1201	cf::override;	1462	cf::override;
1202	},	1463	},
1203	);	1464	);
1204		1465
		1466	# "readahead" all extensions
		1467	sub cache_extensions {
		1468	my $grp = IO::AIO::aio_group;
		1469
		1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1471	for (grep /\.ext$/, @{$_[0]}) {
		1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1473	}
		1474	};
		1475
		1476	$grp
		1477	}
		1478
1205	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
1206	cf::sync_job {	1482	cf::sync_job {
1207	my %todo;	1483	my %todo;
1208		1484
1209	for my $path (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
1210	next unless -r $path;	1486	next unless -r $path;
…		…
1228		1504
1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1231		1507
1232	$ext{source} =	1508	$ext{source} =
1233	"package $pkg; use strict; use utf8;\n"	1509	"package $pkg; use common::sense;\n"
1234	. "#line 1 \"$path\"\n{\n"	1510	. "#line 1 \"$path\"\n{\n"
1235	. $source	1511	. $source
1236	. "\n};\n1";	1512	. "\n};\n1";
1237		1513
1238	$todo{$base} = \%ext;	1514	$todo{$base} = \%ext;
1239	}	1515	}
1240		1516
		1517	my $pass = 0;
1241	my %done;	1518	my %done;
1242	while (%todo) {	1519	while (%todo) {
1243	my $progress;	1520	my $progress;
1244		1521
		1522	++$pass;
		1523
		1524	ext:
1245	while (my ($k, $v) = each %todo) {	1525	while (my ($k, $v) = each %todo) {
1246	for (split /,\s*/, $v->{meta}{depends}) {	1526	for (split /,\s*/, $v->{meta}{depends}) {
1247	goto skip	1527	next ext
1248	unless exists $done{$_};	1528	unless exists $done{$_};
1249	}	1529	}
1250		1530
1251	warn "... loading '$k' into '$v->{pkg}'\n";	1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1252		1532
1253	unless (eval $v->{source}) {	1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
1254	my $msg = $@ ? "$v->{path}: $@\n"	1536	error "$v->{path}: $@\n";
1255	: "$v->{base}: extension inactive.\n";
1256		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1257	if (exists $v->{meta}{mandatory}) {	1539	if exists $v->{meta}{mandatory};
1258	warn $msg;	1540
1259	warn "mandatory extension failed to load, exiting.\n";	1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1260	exit 1;	1542	delete $todo{$k};
1261	}	1543	} else {
1262		1544	$done{$k} = delete $todo{$k};
1263	warn $msg;	1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
1264	}	1550	}
1265
1266	$done{$k} = delete $todo{$k};
1267	push @EXTS, $v->{pkg};
1268	$progress = 1;
1269	}	1551	}
1270		1552
1271	skip:	1553	unless ($progress) {
1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1273	unless $progress;	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	}
1274	}	1563	}
1275	};	1564	};
1276	}	1565	}
1277		1566
1278	#############################################################################	1567	#############################################################################
1279		1568
1280	=back	1569	=back
1281		1570
1282	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
1283		1572
1284	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
1285		1574
1286	=cut	1575	=cut
1287		1576
1288	package cf::player;	1577	package cf::player;
1289		1578
1290	use Coro::AIO;	1579	use Coro::AIO;
1291		1580
1292	=head3 cf::player	1581	=head3 cf::player
1293		1582
1294	=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	}
1295		1598
1296	=item cf::player::find $login	1599	=item cf::player::find $login
1297		1600
1298	Returns the given player object, loading it if necessary (might block).	1601	Returns the given player object, loading it if necessary (might block).
1299		1602
…		…
1318		1621
1319	sub exists($) {	1622	sub exists($) {
1320	my ($login) = @_;	1623	my ($login) = @_;
1321		1624
1322	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
1323	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
1324	}	1627	}
1325		1628
1326	sub find($) {	1629	sub find($) {
1327	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
1328	my $login = $_[0];	1631	my $login = $_[0];
…		…
1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1638	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1639	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1640	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1338	aio_unlink +(playerdir $login) . "/$login.pl";	1641	aio_unlink +(playerdir $login) . "/$login.pl";
1339		1642
1340	my $pl = load_pl path $login	1643	my $f = new_from_file cf::object::thawer path $login
1341	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;
1342	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1343	}	1652	}
1344	}	1653	}
1345	}	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	);
1346		1668
1347	sub save($) {	1669	sub save($) {
1348	my ($pl) = @_;	1670	my ($pl) = @_;
1349		1671
1350	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
…		…
1355	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1356		1678
1357	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1358	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
1359		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
1360	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1361	Coro::cede;	1688	cf::cede_to_tick;
1362	}	1689	}
1363		1690
1364	sub new($) {	1691	sub new($) {
1365	my ($login) = @_;	1692	my ($login) = @_;
1366		1693
…		…
1372	$cf::PLAYER{$login} = $self;	1699	$cf::PLAYER{$login} = $self;
1373		1700
1374	$self	1701	$self
1375	}	1702	}
1376		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
1377	=item $pl->quit_character	1714	=item $pl->quit_character
1378		1715
1379	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
1380	be destroyed. May block for a long time.	1717	be destroyed. May block for a long time.
1381		1718
…		…
1385	my ($pl) = @_;	1722	my ($pl) = @_;
1386		1723
1387	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1388		1725
1389	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1390	$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
1391		1728
1392	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1393	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1394	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1395	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1396		1737
1397	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1398	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1399	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1434	or return [];	1775	or return [];
1435		1776
1436	my @logins;	1777	my @logins;
1437		1778
1438	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") {
1439	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1440	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1441	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1442		1789
1443	utf8::decode $login;	1790	utf8::decode $login;
1444	push @logins, $login;	1791	push @logins, $login;
1445	}	1792	}
1446		1793
1447	\@logins	1794	\@logins
1448	}	1795	}
1449		1796
1450	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1451		1800
1452	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1453	player. May block.	1802	player. May block.
1454		1803
1455	=cut	1804	=cut
…		…
1473	}	1822	}
1474		1823
1475	\@paths	1824	\@paths
1476	}	1825	}
1477		1826
1478	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1479		1828
1480	Expand crossfire pod fragments into protocol xml.	1829	Expand deliantra pod fragments into protocol xml.
1481
1482	=cut
1483
1484	sub expand_cfpod {
1485	((my $self), (local $_)) = @_;
1486
1487	# escape & and <
1488	s/&/&amp;/g;
1489	s/(?<![BIUGH])</&lt;/g;
1490
1491	# this is buggy, it needs to properly take care of nested <'s
1492
1493	1 while
1494	# replace B<>, I<>, U<> etc.
1495	s/B<([^\>]*)>/<b>$1<\/b>/
1496	|| s/I<([^\>]*)>/<i>$1<\/i>/
1497	|| s/U<([^\>]*)>/<u>$1<\/u>/
1498	# replace G<male|female> tags
1499	|| s{G<([^>|]*)\|([^>]*)>}{
1500	$self->gender ? $2 : $1
1501	}ge
1502	# replace H<hint text>
1503	|| s{H<([^\>]*)>}
1504	{
1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1507	"")
1508	[$self->{hintmode}]
1509	}ge;
1510
1511	# create single paragraphs (very hackish)
1512	s/(?<=\S)\n(?=\w)/ /g;
1513
1514	# compress some whitespace
1515	s/\s+\n/\n/g; # ws line-ends
1516	s/\n\n+/\n/g; # double lines
1517	s/^\n+//; # beginning lines
1518	s/\n+$//; # ending lines
1519
1520	$_
1521	}
1522
1523	sub hintmode {
1524	$_[0]{hintmode} = $_[1] if @_ > 1;
1525	$_[0]{hintmode}
1526	}
1527		1830
1528	=item $player->ext_reply ($msgid, @msg)	1831	=item $player->ext_reply ($msgid, @msg)
1529		1832
1530	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1531		1834
1532	=cut	1835	=cut
1533		1836
1534	sub ext_reply($$@) {	1837	sub ext_reply($$@) {
1535	my ($self, $id, @msg) = @_;	1838	my ($self, $id, @msg) = @_;
1536		1839
1537	if ($self->ns->extcmd == 2) {	1840	$self->ns->ext_reply ($id, @msg)
1538	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1539	} elsif ($self->ns->extcmd == 1) {
1540	#TODO: version 1, remove
1541	unshift @msg, msgtype => "reply", msgid => $id;
1542	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1543	}
1544	}	1841	}
1545		1842
1546	=item $player->ext_msg ($type, @msg)	1843	=item $player->ext_msg ($type, @msg)
1547		1844
1548	Sends an ext event to the client.	1845	Sends an ext event to the client.
…		…
1569		1866
1570	=cut	1867	=cut
1571		1868
1572	sub find_by_path($) {	1869	sub find_by_path($) {
1573	my ($path) = @_;	1870	my ($path) = @_;
		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
1574		1873
1575	my ($match, $specificity);	1874	my ($match, $specificity);
1576		1875
1577	for my $region (list) {	1876	for my $region (list) {
1578	if ($region->{match} && $path =~ $region->{match}) {	1877	if ($region->{match} && $path =~ $region->{match}) {
…		…
1604	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1605	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1606		1905
1607	sub generate_random_map {	1906	sub generate_random_map {
1608	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1609	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1610	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1611	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1612	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1613	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1614	$rmp->{exit_on_final_map},
1615	$rmp->{xsize}, $rmp->{ysize},
1616	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1617	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1618	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1619	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1620	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1621	(cf::region::find $rmp->{region}), $rmp->{custom}
1622	)
1623	}	1912	}
1624		1913
1625	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1626		1915
1627	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
…		…
1632		1921
1633	sub register {	1922	sub register {
1634	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1635	my $pkg = caller;	1924	my $pkg = caller;
1636		1925
1637	no strict;
1638	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1639		1927
1640	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1641	}	1929	}
1642		1930
1643	# also paths starting with '/'	1931	# also paths starting with '/'
1644	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1645		1933
1646	sub thawer_merge {	1934	sub thawer_merge {
1647	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1648		1936
1649	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
…		…
1654	}	1942	}
1655		1943
1656	sub normalise {	1944	sub normalise {
1657	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1658		1946
1659	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1660		1948
1661	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1662		1950
1663	# map plan:	1951	# map plan:
1664	#	1952	#
…		…
1679	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1680	$path = "$base/$path";	1968	$path = "$base/$path";
1681	}	1969	}
1682		1970
1683	for ($path) {	1971	for ($path) {
1684	redo if s{//}{/};
1685	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1686	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1687	}	1974	}
1688		1975
1689	$path	1976	$path
…		…
1703	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1704	return $self;	1991	return $self;
1705	}	1992	}
1706	}	1993	}
1707		1994
1708	Carp::cluck "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1709	()	1996	()
1710	}	1997	}
1711		1998
		1999	# may re-bless or do other evil things
1712	sub init {	2000	sub init {
1713	my ($self) = @_;	2001	my ($self) = @_;
1714		2002
1715	$self	2003	$self
1716	}	2004	}
…		…
1735		2023
1736	# the temporary/swap location	2024	# the temporary/swap location
1737	sub save_path {	2025	sub save_path {
1738	my ($self) = @_;	2026	my ($self) = @_;
1739		2027
1740	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2028	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1741	"$TMPDIR/$path.map"	2029	"$TMPDIR/$path.map"
1742	}	2030	}
1743		2031
1744	# the unique path, undef == no special unique path	2032	# the unique path, undef == no special unique path
1745	sub uniq_path {	2033	sub uniq_path {
1746	my ($self) = @_;	2034	my ($self) = @_;
1747		2035
1748	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1749	"$UNIQUEDIR/$path"	2037	"$UNIQUEDIR/$path"
1750	}
1751
1752	# and all this just because we cannot iterate over
1753	# all maps in C++...
1754	sub change_all_map_light {
1755	my ($change) = @_;
1756
1757	$_->change_map_light ($change)
1758	for grep $_->outdoor, values %cf::MAP;
1759	}	2038	}
1760		2039
1761	sub decay_objects {	2040	sub decay_objects {
1762	my ($self) = @_;	2041	my ($self) = @_;
1763		2042
…		…
1776		2055
1777	sub load_header_from($) {	2056	sub load_header_from($) {
1778	my ($self, $path) = @_;	2057	my ($self, $path) = @_;
1779		2058
1780	utf8::encode $path;	2059	utf8::encode $path;
1781	#aio_open $path, O_RDONLY, 0	2060	my $f = new_from_file cf::object::thawer $path
1782	# or return;
1783
1784	$self->_load_header ($path)
1785	or return;	2061	or return;
1786		2062
		2063	$self->_load_header ($f)
		2064	or return;
		2065
		2066	local $MAP_LOADING{$self->{path}} = $self;
		2067	$f->resolve_delayed_derefs;
		2068
1787	$self->{load_path} = $path;	2069	$self->{load_path} = $path;
1788		2070
1789	1	2071	1
1790	}	2072	}
1791		2073
		2074	# used to laod the header of an original map
1792	sub load_header_orig {	2075	sub load_header_orig {
1793	my ($self) = @_;	2076	my ($self) = @_;
1794		2077
1795	$self->load_header_from ($self->load_path)	2078	$self->load_header_from ($self->load_path)
1796	}	2079	}
1797		2080
		2081	# used to laod the header of an instantiated map
1798	sub load_header_temp {	2082	sub load_header_temp {
1799	my ($self) = @_;	2083	my ($self) = @_;
1800		2084
1801	$self->load_header_from ($self->save_path)	2085	$self->load_header_from ($self->save_path)
1802	}	2086	}
1803		2087
		2088	# called after loading the header from an instantiated map
1804	sub prepare_temp {	2089	sub prepare_temp {
1805	my ($self) = @_;	2090	my ($self) = @_;
1806		2091
1807	$self->last_access ((delete $self->{last_access})	2092	$self->last_access ((delete $self->{last_access})
1808	|| $cf::RUNTIME); #d#	2093	|| $cf::RUNTIME); #d#
1809	# safety	2094	# safety
1810	$self->{instantiate_time} = $cf::RUNTIME	2095	$self->{instantiate_time} = $cf::RUNTIME
1811	if $self->{instantiate_time} > $cf::RUNTIME;	2096	if $self->{instantiate_time} > $cf::RUNTIME;
1812	}	2097	}
1813		2098
		2099	# called after loading the header from an original map
1814	sub prepare_orig {	2100	sub prepare_orig {
1815	my ($self) = @_;	2101	my ($self) = @_;
1816		2102
1817	$self->{load_original} = 1;	2103	$self->{load_original} = 1;
1818	$self->{instantiate_time} = $cf::RUNTIME;	2104	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1842		2128
1843	sub find;	2129	sub find;
1844	sub find {	2130	sub find {
1845	my ($path, $origin) = @_;	2131	my ($path, $origin) = @_;
1846		2132
		2133	cf::cede_to_tick;
		2134
1847	$path = normalise $path, $origin && $origin->path;	2135	$path = normalise $path, $origin;
1848		2136
		2137	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1849	cf::lock_wait "map_find:$path";	2138	my $guard2 = cf::lock_acquire "map_find:$path";
1850		2139
1851	$cf::MAP{$path} || do {	2140	$cf::MAP{$path} || do {
1852	my $guard = cf::lock_acquire "map_find:$path";
1853	my $map = new_from_path cf::map $path	2141	my $map = new_from_path cf::map $path
1854	or return;	2142	or return;
1855		2143
1856	$map->{last_save} = $cf::RUNTIME;	2144	$map->{last_save} = $cf::RUNTIME;
1857		2145
…		…
1859	or return;	2147	or return;
1860		2148
1861	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2149	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1862	# doing this can freeze the server in a sync job, obviously	2150	# doing this can freeze the server in a sync job, obviously
1863	#$cf::WAIT_FOR_TICK->wait;	2151	#$cf::WAIT_FOR_TICK->wait;
		2152	undef $guard2;
		2153	undef $guard1;
1864	$map->reset;	2154	$map->reset;
1865	undef $guard;
1866	return find $path;	2155	return find $path;
1867	}	2156	}
1868		2157
1869	$cf::MAP{$path} = $map	2158	$cf::MAP{$path} = $map
1870	}	2159	}
1871	}	2160	}
1872		2161
1873	sub pre_load { }	2162	sub pre_load { }
1874	sub post_load { }	2163	#sub post_load { } # XS
1875		2164
1876	sub load {	2165	sub load {
1877	my ($self) = @_;	2166	my ($self) = @_;
1878		2167
1879	local $self->{deny_reset} = 1; # loading can take a long time	2168	local $self->{deny_reset} = 1; # loading can take a long time
1880		2169
1881	my $path = $self->{path};	2170	my $path = $self->{path};
1882		2171
1883	{	2172	{
1884	my $guard = cf::lock_acquire "map_load:$path";	2173	my $guard = cf::lock_acquire "map_data:$path";
1885		2174
		2175	return unless $self->valid;
1886	return if $self->in_memory != cf::MAP_SWAPPED;	2176	return unless $self->in_memory == cf::MAP_SWAPPED;
1887		2177
1888	$self->in_memory (cf::MAP_LOADING);	2178	$self->in_memory (cf::MAP_LOADING);
1889		2179
1890	$self->alloc;	2180	$self->alloc;
1891		2181
1892	$self->pre_load;	2182	$self->pre_load;
1893	Coro::cede;	2183	cf::cede_to_tick;
1894		2184
1895	$self->_load_objects ($self->{load_path}, 1)	2185	if (exists $self->{load_path}) {
		2186	my $f = new_from_file cf::object::thawer $self->{load_path};
		2187	$f->skip_block;
		2188	$self->_load_objects ($f)
1896	or return;	2189	or return;
1897		2190
1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2191	$self->post_load_original
1899	if delete $self->{load_original};	2192	if delete $self->{load_original};
1900		2193
1901	if (my $uniq = $self->uniq_path) {	2194	if (my $uniq = $self->uniq_path) {
1902	utf8::encode $uniq;	2195	utf8::encode $uniq;
1903	if (aio_open $uniq, O_RDONLY, 0) {	2196	unless (aio_stat $uniq) {
		2197	if (my $f = new_from_file cf::object::thawer $uniq) {
1904	$self->clear_unique_items;	2198	$self->clear_unique_items;
1905	$self->_load_objects ($uniq, 0);	2199	$self->_load_objects ($f);
		2200	$f->resolve_delayed_derefs;
		2201	}
		2202	}
1906	}	2203	}
1907	}
1908		2204
1909	Coro::cede;	2205	$f->resolve_delayed_derefs;
		2206	} else {
		2207	$self->post_load_original
		2208	if delete $self->{load_original};
		2209	}
		2210
		2211	cf::cede_to_tick;
1910	# now do the right thing for maps	2212	# now do the right thing for maps
1911	$self->link_multipart_objects;	2213	$self->link_multipart_objects;
1912	$self->difficulty ($self->estimate_difficulty)	2214	$self->difficulty ($self->estimate_difficulty)
1913	unless $self->difficulty;	2215	unless $self->difficulty;
1914	Coro::cede;	2216	cf::cede_to_tick;
1915		2217
1916	unless ($self->{deny_activate}) {	2218	unless ($self->{deny_activate}) {
1917	$self->decay_objects;	2219	$self->decay_objects;
1918	$self->fix_auto_apply;	2220	$self->fix_auto_apply;
1919	$self->update_buttons;	2221	$self->update_buttons;
1920	Coro::cede;	2222	cf::cede_to_tick;
1921	$self->set_darkness_map;
1922	Coro::cede;
1923	$self->activate;	2223	$self->activate;
1924	}	2224	}
1925		2225
1926	$self->{last_save} = $cf::RUNTIME;	2226	$self->{last_save} = $cf::RUNTIME;
1927	$self->last_access ($cf::RUNTIME);	2227	$self->last_access ($cf::RUNTIME);
1928		2228
1929	$self->in_memory (cf::MAP_IN_MEMORY);	2229	$self->in_memory (cf::MAP_ACTIVE);
1930	}	2230	}
1931		2231
1932	$self->post_load;	2232	$self->post_load;
1933	}
1934		2233
		2234	1
		2235	}
		2236
		2237	# customize the map for a given player, i.e.
		2238	# return the _real_ map. used by e.g. per-player
		2239	# maps to change the path to ~playername/mappath
1935	sub customise_for {	2240	sub customise_for {
1936	my ($self, $ob) = @_;	2241	my ($self, $ob) = @_;
1937		2242
1938	return find "~" . $ob->name . "/" . $self->{path}	2243	return find "~" . $ob->name . "/" . $self->{path}
1939	if $self->per_player;	2244	if $self->per_player;
…		…
1943		2248
1944	$self	2249	$self
1945	}	2250	}
1946		2251
1947	# find and load all maps in the 3x3 area around a map	2252	# find and load all maps in the 3x3 area around a map
1948	sub load_diag {	2253	sub load_neighbours {
1949	my ($map) = @_;	2254	my ($map) = @_;
1950		2255
1951	my @diag; # diagonal neighbours	2256	my @neigh; # diagonal neighbours
1952		2257
1953	for (0 .. 3) {	2258	for (0 .. 3) {
1954	my $neigh = $map->tile_path ($_)	2259	my $neigh = $map->tile_path ($_)
1955	or next;	2260	or next;
1956	$neigh = find $neigh, $map	2261	$neigh = find $neigh, $map
1957	or next;	2262	or next;
1958	$neigh->load;	2263	$neigh->load;
1959		2264
		2265	# now find the diagonal neighbours
		2266	push @neigh,
1960	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2267	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1961	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2268	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1962	}	2269	}
1963		2270
1964	for (@diag) {	2271	for (grep defined $_->[0], @neigh) {
		2272	my ($path, $origin) = @$_;
1965	my $neigh = find @$_	2273	my $neigh = find $path, $origin
1966	or next;	2274	or next;
1967	$neigh->load;	2275	$neigh->load;
1968	}	2276	}
1969	}	2277	}
1970		2278
1971	sub find_sync {	2279	sub find_sync {
1972	my ($path, $origin) = @_;	2280	my ($path, $origin) = @_;
1973		2281
1974	cf::sync_job { find $path, $origin }	2282	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2283	if $Coro::current == $Coro::main;
		2284
		2285	find $path, $origin
1975	}	2286	}
1976		2287
1977	sub do_load_sync {	2288	sub do_load_sync {
1978	my ($map) = @_;	2289	my ($map) = @_;
1979		2290
1980	cf::sync_job { $map->load };	2291	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2292	if $Coro::current == $Coro::main;
		2293
		2294	$map->load;
1981	}	2295	}
1982		2296
1983	our %MAP_PREFETCH;	2297	our %MAP_PREFETCH;
1984	our $MAP_PREFETCHER = undef;	2298	our $MAP_PREFETCHER = undef;
1985		2299
1986	sub find_async {	2300	sub find_async {
1987	my ($path, $origin) = @_;	2301	my ($path, $origin, $load) = @_;
1988		2302
1989	$path = normalise $path, $origin && $origin->{path};	2303	$path = normalise $path, $origin;
1990		2304
1991	if (my $map = $cf::MAP{$path}) {	2305	if (my $map = $cf::MAP{$path}) {
1992	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2306	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1993	}	2307	}
1994		2308
1995	undef $MAP_PREFETCH{$path};	2309	$MAP_PREFETCH{$path} |= $load;
		2310
1996	$MAP_PREFETCHER ||= cf::async {	2311	$MAP_PREFETCHER ||= cf::async {
		2312	$Coro::current->{desc} = "map prefetcher";
		2313
1997	while (%MAP_PREFETCH) {	2314	while (%MAP_PREFETCH) {
1998	for my $path (keys %MAP_PREFETCH) {	2315	while (my ($k, $v) = each %MAP_PREFETCH) {
1999	if (my $map = find $path) {	2316	if (my $map = find $k) {
2000	$map->load;	2317	$map->load if $v;
2001	}	2318	}
2002		2319
2003	delete $MAP_PREFETCH{$path};	2320	delete $MAP_PREFETCH{$k};
2004	}	2321	}
2005	}	2322	}
2006	undef $MAP_PREFETCHER;	2323	undef $MAP_PREFETCHER;
2007	};	2324	};
2008	$MAP_PREFETCHER->prio (6);	2325	$MAP_PREFETCHER->prio (6);
2009		2326
2010	()	2327	()
2011	}	2328	}
2012		2329
		2330	# common code, used by both ->save and ->swapout
2013	sub save {	2331	sub _save {
2014	my ($self) = @_;	2332	my ($self) = @_;
2015
2016	my $lock = cf::lock_acquire "map_data:" . $self->path;
2017		2333
2018	$self->{last_save} = $cf::RUNTIME;	2334	$self->{last_save} = $cf::RUNTIME;
2019		2335
2020	return unless $self->dirty;	2336	return unless $self->dirty;
2021		2337
…		…
2027	return if $self->{deny_save};	2343	return if $self->{deny_save};
2028		2344
2029	local $self->{last_access} = $self->last_access;#d#	2345	local $self->{last_access} = $self->last_access;#d#
2030		2346
2031	cf::async {	2347	cf::async {
		2348	$Coro::current->{desc} = "map player save";
2032	$_->contr->save for $self->players;	2349	$_->contr->save for $self->players;
2033	};	2350	};
		2351
		2352	cf::get_slot 0.02;
2034		2353
2035	if ($uniq) {	2354	if ($uniq) {
2036	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2355	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2037	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2356	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2038	} else {	2357	} else {
2039	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2358	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2040	}	2359	}
2041	}	2360	}
2042		2361
		2362	sub save {
		2363	my ($self) = @_;
		2364
		2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2366
		2367	$self->_save;
		2368	}
		2369
2043	sub swap_out {	2370	sub swap_out {
2044	my ($self) = @_;	2371	my ($self) = @_;
2045		2372
2046	# save first because save cedes
2047	$self->save;
2048
2049	my $lock = cf::lock_acquire "map_data:" . $self->path;	2373	my $lock = cf::lock_acquire "map_data:$self->{path}";
2050		2374
		2375	return if $self->in_memory != cf::MAP_ACTIVE;
		2376	return if $self->{deny_save};
2051	return if $self->players;	2377	return if $self->players;
2052	return if $self->in_memory != cf::MAP_IN_MEMORY;
2053	return if $self->{deny_save};
2054		2378
		2379	# first deactivate the map and "unlink" it from the core
		2380	$self->deactivate;
		2381	$_->clear_links_to ($self) for values %cf::MAP;
		2382	$self->in_memory (cf::MAP_SWAPPED);
		2383
		2384	# then atomically save
		2385	$self->_save;
		2386
		2387	# then free the map
2055	$self->clear;	2388	$self->clear;
2056	$self->in_memory (cf::MAP_SWAPPED);
2057	}	2389	}
2058		2390
2059	sub reset_at {	2391	sub reset_at {
2060	my ($self) = @_;	2392	my ($self) = @_;
2061		2393
…		…
2079		2411
2080	my $lock = cf::lock_acquire "map_data:$self->{path}";	2412	my $lock = cf::lock_acquire "map_data:$self->{path}";
2081		2413
2082	return if $self->players;	2414	return if $self->players;
2083		2415
2084	warn "resetting map ", $self->path;	2416	cf::trace "resetting map ", $self->path, "\n";
2085		2417
2086	$self->in_memory (cf::MAP_SWAPPED);	2418	$self->in_memory (cf::MAP_SWAPPED);
2087		2419
2088	# need to save uniques path	2420	# need to save uniques path
2089	unless ($self->{deny_save}) {	2421	unless ($self->{deny_save}) {
…		…
2093	if $uniq;	2425	if $uniq;
2094	}	2426	}
2095		2427
2096	delete $cf::MAP{$self->path};	2428	delete $cf::MAP{$self->path};
2097		2429
		2430	$self->deactivate;
		2431	$_->clear_links_to ($self) for values %cf::MAP;
2098	$self->clear;	2432	$self->clear;
2099
2100	$_->clear_links_to ($self) for values %cf::MAP;
2101		2433
2102	$self->unlink_save;	2434	$self->unlink_save;
2103	$self->destroy;	2435	$self->destroy;
2104	}	2436	}
2105		2437
2106	my $nuke_counter = "aaaa";	2438	my $nuke_counter = "aaaa";
2107		2439
2108	sub nuke {	2440	sub nuke {
2109	my ($self) = @_;	2441	my ($self) = @_;
2110		2442
		2443	{
		2444	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2445
2111	delete $cf::MAP{$self->path};	2446	delete $cf::MAP{$self->path};
2112		2447
2113	$self->unlink_save;	2448	$self->unlink_save;
2114		2449
2115	bless $self, "cf::map";	2450	bless $self, "cf::map::wrap";
2116	delete $self->{deny_reset};	2451	delete $self->{deny_reset};
2117	$self->{deny_save} = 1;	2452	$self->{deny_save} = 1;
2118	$self->reset_timeout (1);	2453	$self->reset_timeout (1);
2119	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2454	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2120		2455
2121	$cf::MAP{$self->path} = $self;	2456	$cf::MAP{$self->path} = $self;
		2457	}
2122		2458
2123	$self->reset; # polite request, might not happen	2459	$self->reset; # polite request, might not happen
2124	}	2460	}
2125		2461
2126	=item $maps = cf::map::tmp_maps	2462	=item $maps = cf::map::tmp_maps
…		…
2168		2504
2169	sub unique_maps() {	2505	sub unique_maps() {
2170	[	2506	[
2171	map {	2507	map {
2172	utf8::decode $_;	2508	utf8::decode $_;
2173	/\.map$/	2509	s/\.map$//; # TODO future compatibility hack
		2510	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2511	? ()
2174	? normalise $_	2512	: normalise $_
2175	: ()
2176	} @{ aio_readdir $UNIQUEDIR or [] }	2513	} @{ aio_readdir $UNIQUEDIR or [] }
2177	]	2514	]
2178	}	2515	}
2179		2516
2180	package cf;	2517	=item cf::map::static_maps
		2518
		2519	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2520	file in the shared directory excluding F</styles> and F</editor>). May
		2521	block.
		2522
		2523	=cut
		2524
		2525	sub static_maps() {
		2526	my @dirs = "";
		2527	my @maps;
		2528
		2529	while (@dirs) {
		2530	my $dir = shift @dirs;
		2531
		2532	next if $dir eq "/styles" || $dir eq "/editor";
		2533
		2534	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2535	or return;
		2536
		2537	for (@$files) {
		2538	s/\.map$// or next;
		2539	utf8::decode $_;
		2540	push @maps, "$dir/$_";
		2541	}
		2542
		2543	push @dirs, map "$dir/$_", @$dirs;
		2544	}
		2545
		2546	\@maps
		2547	}
2181		2548
2182	=back	2549	=back
2183		2550
2184	=head3 cf::object	2551	=head3 cf::object
2185		2552
…		…
2189		2556
2190	=over 4	2557	=over 4
2191		2558
2192	=item $ob->inv_recursive	2559	=item $ob->inv_recursive
2193		2560
2194	Returns the inventory of the object _and_ their inventories, recursively.	2561	Returns the inventory of the object I<and> their inventories, recursively,
		2562	but I<not> the object itself.
2195		2563
2196	=cut	2564	=cut
2197		2565
2198	sub inv_recursive_;	2566	sub inv_recursive_;
2199	sub inv_recursive_ {	2567	sub inv_recursive_ {
…		…
2202		2570
2203	sub inv_recursive {	2571	sub inv_recursive {
2204	inv_recursive_ inv $_[0]	2572	inv_recursive_ inv $_[0]
2205	}	2573	}
2206		2574
		2575	=item $ref = $ob->ref
		2576
		2577	Creates and returns a persistent reference to an object that can be stored as a string.
		2578
		2579	=item $ob = cf::object::deref ($refstring)
		2580
		2581	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2582	even if the object actually exists. May block.
		2583
		2584	=cut
		2585
		2586	sub deref {
		2587	my ($ref) = @_;
		2588
		2589	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2590	my ($uuid, $name) = ($1, $2);
		2591	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2592	or return;
		2593	$pl->ob->uuid eq $uuid
		2594	or return;
		2595
		2596	$pl->ob
		2597	} else {
		2598	warn "$ref: cannot resolve object reference\n";
		2599	undef
		2600	}
		2601	}
		2602
2207	package cf;	2603	package cf;
2208		2604
2209	=back	2605	=back
2210		2606
2211	=head3 cf::object::player	2607	=head3 cf::object::player
…		…
2217	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2613	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2218	can be C<undef>. Does the right thing when the player is currently in a	2614	can be C<undef>. Does the right thing when the player is currently in a
2219	dialogue with the given NPC character.	2615	dialogue with the given NPC character.
2220		2616
2221	=cut	2617	=cut
		2618
		2619	our $SAY_CHANNEL = {
		2620	id => "say",
		2621	title => "Map",
		2622	reply => "say ",
		2623	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2624	};
		2625
		2626	our $CHAT_CHANNEL = {
		2627	id => "chat",
		2628	title => "Chat",
		2629	reply => "chat ",
		2630	tooltip => "Player chat and shouts, global to the server.",
		2631	};
2222		2632
2223	# rough implementation of a future "reply" method that works	2633	# rough implementation of a future "reply" method that works
2224	# with dialog boxes.	2634	# with dialog boxes.
2225	#TODO: the first argument must go, split into a $npc->reply_to ( method	2635	#TODO: the first argument must go, split into a $npc->reply_to ( method
2226	sub cf::object::player::reply($$$;$) {	2636	sub cf::object::player::reply($$$;$) {
…		…
2238	my $dialog = $pl->{npc_dialog};	2648	my $dialog = $pl->{npc_dialog};
2239	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2649	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2240		2650
2241	} else {	2651	} else {
2242	$msg = $npc->name . " says: $msg" if $npc;	2652	$msg = $npc->name . " says: $msg" if $npc;
2243	$self->message ($msg, $flags);	2653	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2244	}	2654	}
2245	}	2655	}
		2656	}
		2657
		2658	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2659
		2660	=cut
		2661
		2662	sub cf::object::send_msg {
		2663	my $pl = shift->contr
		2664	or return;
		2665	$pl->send_msg (@_);
2246	}	2666	}
2247		2667
2248	=item $player_object->may ("access")	2668	=item $player_object->may ("access")
2249		2669
2250	Returns wether the given player is authorized to access resource "access"	2670	Returns wether the given player is authorized to access resource "access"
…		…
2263		2683
2264	=item $player_object->enter_link	2684	=item $player_object->enter_link
2265		2685
2266	Freezes the player and moves him/her to a special map (C<{link}>).	2686	Freezes the player and moves him/her to a special map (C<{link}>).
2267		2687
2268	The player should be reasonably safe there for short amounts of time. You	2688	The player should be reasonably safe there for short amounts of time (e.g.
2269	I<MUST> call C<leave_link> as soon as possible, though.	2689	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2690	though, as the player cannot control the character while it is on the link
		2691	map.
2270		2692
2271	Will never block.	2693	Will never block.
2272		2694
2273	=item $player_object->leave_link ($map, $x, $y)	2695	=item $player_object->leave_link ($map, $x, $y)
2274		2696
…		…
2294	sub cf::object::player::enter_link {	2716	sub cf::object::player::enter_link {
2295	my ($self) = @_;	2717	my ($self) = @_;
2296		2718
2297	$self->deactivate_recursive;	2719	$self->deactivate_recursive;
2298		2720
		2721	++$self->{_link_recursion};
		2722
2299	return if UNIVERSAL::isa $self->map, "ext::map_link";	2723	return if UNIVERSAL::isa $self->map, "ext::map_link";
2300		2724
2301	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2725	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2302	if $self->map && $self->map->{path} ne "{link}";	2726	if $self->map && $self->map->{path} ne "{link}";
2303		2727
2304	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2728	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2305	}	2729	}
2306		2730
2307	sub cf::object::player::leave_link {	2731	sub cf::object::player::leave_link {
2308	my ($self, $map, $x, $y) = @_;	2732	my ($self, $map, $x, $y) = @_;
2309		2733
…		…
2326	($x, $y) = (-1, -1)	2750	($x, $y) = (-1, -1)
2327	unless (defined $x) && (defined $y);	2751	unless (defined $x) && (defined $y);
2328		2752
2329	# use -1 or undef as default coordinates, not 0, 0	2753	# use -1 or undef as default coordinates, not 0, 0
2330	($x, $y) = ($map->enter_x, $map->enter_y)	2754	($x, $y) = ($map->enter_x, $map->enter_y)
2331	if $x <=0 && $y <= 0;	2755	if $x <= 0 && $y <= 0;
2332		2756
2333	$map->load;	2757	$map->load;
2334	$map->load_diag;	2758	$map->load_neighbours;
2335		2759
2336	return unless $self->contr->active;	2760	return unless $self->contr->active;
2337	$self->activate_recursive;
2338		2761
2339	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2762	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2340	$self->enter_map ($map, $x, $y);	2763	if ($self->enter_map ($map, $x, $y)) {
2341	}	2764	# entering was successful
		2765	delete $self->{_link_recursion};
		2766	# only activate afterwards, to support waiting in hooks
		2767	$self->activate_recursive;
		2768	}
2342		2769
		2770	}
		2771
2343	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2772	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2344		2773
2345	Moves the player to the given map-path and coordinates by first freezing	2774	Moves the player to the given map-path and coordinates by first freezing
2346	her, loading and preparing them map, calling the provided $check callback	2775	her, loading and preparing them map, calling the provided $check callback
2347	that has to return the map if sucecssful, and then unfreezes the player on	2776	that has to return the map if sucecssful, and then unfreezes the player on
2348	the new (success) or old (failed) map position. In either case, $done will	2777	the new (success) or old (failed) map position. In either case, $done will
2349	be called at the end of this process.	2778	be called at the end of this process.
2350		2779
		2780	Note that $check will be called with a potentially non-loaded map, so if
		2781	it needs a loaded map it has to call C<< ->load >>.
		2782
2351	=cut	2783	=cut
2352		2784
2353	our $GOTOGEN;	2785	our $GOTOGEN;
2354		2786
2355	sub cf::object::player::goto {	2787	sub cf::object::player::goto {
2356	my ($self, $path, $x, $y, $check, $done) = @_;	2788	my ($self, $path, $x, $y, $check, $done) = @_;
2357		2789
		2790	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2791	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2792	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2793	($path, $x, $y) = @$EMERGENCY_POSITION;
		2794	}
		2795
2358	# do generation counting so two concurrent goto's will be executed in-order	2796	# do generation counting so two concurrent goto's will be executed in-order
2359	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2797	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2360		2798
2361	$self->enter_link;	2799	$self->enter_link;
2362		2800
2363	(async {	2801	(async {
		2802	$Coro::current->{desc} = "player::goto $path $x $y";
		2803
		2804	# *tag paths override both path and x|y
		2805	if ($path =~ /^\*(.*)$/) {
		2806	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2807	my $ob = $obs[rand @obs];
		2808
		2809	# see if we actually can go there
		2810	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2811	$ob = $obs[rand @obs];
		2812	} else {
		2813	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2814	}
		2815	# else put us there anyways for now #d#
		2816
		2817	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2818	} else {
		2819	($path, $x, $y) = (undef, undef, undef);
		2820	}
		2821	}
		2822
2364	my $map = eval {	2823	my $map = eval {
2365	my $map = cf::map::find $path;	2824	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2366		2825
2367	if ($map) {	2826	if ($map) {
2368	$map = $map->customise_for ($self);	2827	$map = $map->customise_for ($self);
2369	$map = $check->($map) if $check && $map;	2828	$map = $check->($map, $x, $y, $self) if $check && $map;
2370	} else {	2829	} else {
2371	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2830	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2372	}	2831	}
2373		2832
2374	$map	2833	$map
2375	};	2834	};
2376		2835
…		…
2382	if ($gen == $self->{_goto_generation}) {	2841	if ($gen == $self->{_goto_generation}) {
2383	delete $self->{_goto_generation};	2842	delete $self->{_goto_generation};
2384	$self->leave_link ($map, $x, $y);	2843	$self->leave_link ($map, $x, $y);
2385	}	2844	}
2386		2845
2387	$done->() if $done;	2846	$done->($self) if $done;
2388	})->prio (1);	2847	})->prio (1);
2389	}	2848	}
2390		2849
2391	=item $player_object->enter_exit ($exit_object)	2850	=item $player_object->enter_exit ($exit_object)
2392		2851
…		…
2412	}	2871	}
2413		2872
2414	sub prepare_random_map {	2873	sub prepare_random_map {
2415	my ($exit) = @_;	2874	my ($exit) = @_;
2416		2875
2417	my $guard = cf::lock_acquire "exit_prepare:$exit";
2418
2419	# all this does is basically replace the /! path by	2876	# all this does is basically replace the /! path by
2420	# a new random map path (?random/...) with a seed	2877	# a new random map path (?random/...) with a seed
2421	# that depends on the exit object	2878	# that depends on the exit object
2422		2879
2423	my $rmp = parse_random_map_params $exit->msg;	2880	my $rmp = parse_random_map_params $exit->msg;
…		…
2425	if ($exit->map) {	2882	if ($exit->map) {
2426	$rmp->{region} = $exit->region->name;	2883	$rmp->{region} = $exit->region->name;
2427	$rmp->{origin_map} = $exit->map->path;	2884	$rmp->{origin_map} = $exit->map->path;
2428	$rmp->{origin_x} = $exit->x;	2885	$rmp->{origin_x} = $exit->x;
2429	$rmp->{origin_y} = $exit->y;	2886	$rmp->{origin_y} = $exit->y;
		2887
		2888	$exit->map->touch;
2430	}	2889	}
2431		2890
2432	$rmp->{random_seed} ||= $exit->random_seed;	2891	$rmp->{random_seed} ||= $exit->random_seed;
2433		2892
2434	my $data = cf::to_json $rmp;	2893	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2435	my $md5 = Digest::MD5::md5_hex $data;	2894	my $md5 = Digest::MD5::md5_hex $data;
2436	my $meta = "$RANDOMDIR/$md5.meta";	2895	my $meta = "$RANDOMDIR/$md5.meta";
2437		2896
2438	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2897	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2439	aio_write $fh, 0, (length $data), $data, 0;	2898	aio_write $fh, 0, (length $data), $data, 0;
2440	undef $fh;	2899	undef $fh;
2441	aio_rename "$meta~", $meta;	2900	aio_rename "$meta~", $meta;
2442		2901
		2902	my $slaying = "?random/$md5";
		2903
		2904	if ($exit->valid) {
2443	$exit->slaying ("?random/$md5");	2905	$exit->slaying ("?random/$md5");
2444	$exit->msg (undef);	2906	$exit->msg (undef);
		2907	}
2445	}	2908	}
2446	}	2909	}
2447		2910
2448	sub cf::object::player::enter_exit {	2911	sub cf::object::player::enter_exit {
2449	my ($self, $exit) = @_;	2912	my ($self, $exit) = @_;
2450		2913
2451	return unless $self->type == cf::PLAYER;	2914	return unless $self->type == cf::PLAYER;
2452		2915
2453	if ($exit->slaying eq "/!") {
2454	#TODO: this should de-fi-ni-te-ly not be a sync-job
2455	# the problem is that $exit might not survive long enough
2456	# so it needs to be done right now, right here
2457	cf::sync_job { prepare_random_map $exit };
2458	}
2459
2460	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2461	my $hp = $exit->stats->hp;
2462	my $sp = $exit->stats->sp;
2463
2464	$self->enter_link;	2916	$self->enter_link;
2465		2917
2466	# if exit is damned, update players death & WoR home-position
2467	$self->contr->savebed ($slaying, $hp, $sp)
2468	if $exit->flag (FLAG_DAMNED);
2469
2470	(async {	2918	(async {
2471	$self->deactivate_recursive; # just to be sure	2919	$Coro::current->{desc} = "enter_exit";
		2920
2472	unless (eval {	2921	unless (eval {
		2922	$self->deactivate_recursive; # just to be sure
		2923
		2924	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2925	my $x = $exit->stats->hp;
		2926	my $y = $exit->stats->sp;
		2927
		2928	# special map handling
		2929	my $slaying = $exit->slaying;
		2930
		2931	# special map handling
		2932	if ($slaying eq "/!") {
		2933	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2934
		2935	prepare_random_map $exit
		2936	if $slaying eq "/!"; # need to re-check after getting the lock
		2937
		2938	} elsif ($slaying eq '!up') {
		2939	$map = $exit->map->tile_path (cf::TILE_UP);
		2940	$x = $exit->x;
		2941	$y = $exit->y;
		2942
		2943	} elsif ($slaying eq '!down') {
		2944	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2945	$x = $exit->x;
		2946	$y = $exit->y;
		2947	}
		2948
2473	$self->goto ($slaying, $hp, $sp);	2949	$self->goto ($map, $x, $y);
2474		2950
		2951	# if exit is damned, update players death & WoR home-position
		2952	$self->contr->savebed ($map, $x, $y)
		2953	if $exit->flag (cf::FLAG_DAMNED);
		2954
2475	1;	2955	1
2476	}) {	2956	}) {
2477	$self->message ("Something went wrong deep within the crossfire server. "	2957	$self->message ("Something went wrong deep within the deliantra server. "
2478	. "I'll try to bring you back to the map you were before. "	2958	. "I'll try to bring you back to the map you were before. "
2479	. "Please report this to the dungeon master!",	2959	. "Please report this to the dungeon master!",
2480	cf::NDI_UNIQUE | cf::NDI_RED);	2960	cf::NDI_UNIQUE | cf::NDI_RED);
2481		2961
2482	warn "ERROR in enter_exit: $@";	2962	error "ERROR in enter_exit: $@";
2483	$self->leave_link;	2963	$self->leave_link;
2484	}	2964	}
2485	})->prio (1);	2965	})->prio (1);
2486	}	2966	}
2487		2967
…		…
2499	sub cf::client::send_drawinfo {	2979	sub cf::client::send_drawinfo {
2500	my ($self, $text, $flags) = @_;	2980	my ($self, $text, $flags) = @_;
2501		2981
2502	utf8::encode $text;	2982	utf8::encode $text;
2503	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2983	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2984	}
		2985
		2986	=item $client->send_big_packet ($pkt)
		2987
		2988	Like C<send_packet>, but tries to compress large packets, and fragments
		2989	them as required.
		2990
		2991	=cut
		2992
		2993	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2994
		2995	sub cf::client::send_big_packet {
		2996	my ($self, $pkt) = @_;
		2997
		2998	# try lzf for large packets
		2999	$pkt = "lzf " . Compress::LZF::compress $pkt
		3000	if 1024 <= length $pkt and $self->{can_lzf};
		3001
		3002	# split very large packets
		3003	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3004	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3005	$pkt = "frag";
		3006	}
		3007
		3008	$self->send_packet ($pkt);
2504	}	3009	}
2505		3010
2506	=item $client->send_msg ($channel, $msg, $color, [extra...])	3011	=item $client->send_msg ($channel, $msg, $color, [extra...])
2507		3012
2508	Send a drawinfo or msg packet to the client, formatting the msg for the	3013	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2510	the message, with C<log> being the default. If C<$color> is negative, suppress	3015	the message, with C<log> being the default. If C<$color> is negative, suppress
2511	the message unless the client supports the msg packet.	3016	the message unless the client supports the msg packet.
2512		3017
2513	=cut	3018	=cut
2514		3019
		3020	# non-persistent channels (usually the info channel)
		3021	our %CHANNEL = (
		3022	"c/motd" => {
		3023	id => "infobox",
		3024	title => "MOTD",
		3025	reply => undef,
		3026	tooltip => "The message of the day",
		3027	},
		3028	"c/identify" => {
		3029	id => "infobox",
		3030	title => "Identify",
		3031	reply => undef,
		3032	tooltip => "Items recently identified",
		3033	},
		3034	"c/examine" => {
		3035	id => "infobox",
		3036	title => "Examine",
		3037	reply => undef,
		3038	tooltip => "Signs and other items you examined",
		3039	},
		3040	"c/shopinfo" => {
		3041	id => "infobox",
		3042	title => "Shop Info",
		3043	reply => undef,
		3044	tooltip => "What your bargaining skill tells you about the shop",
		3045	},
		3046	"c/book" => {
		3047	id => "infobox",
		3048	title => "Book",
		3049	reply => undef,
		3050	tooltip => "The contents of a note or book",
		3051	},
		3052	"c/lookat" => {
		3053	id => "infobox",
		3054	title => "Look",
		3055	reply => undef,
		3056	tooltip => "What you saw there",
		3057	},
		3058	"c/who" => {
		3059	id => "infobox",
		3060	title => "Players",
		3061	reply => undef,
		3062	tooltip => "Shows players who are currently online",
		3063	},
		3064	"c/body" => {
		3065	id => "infobox",
		3066	title => "Body Parts",
		3067	reply => undef,
		3068	tooltip => "Shows which body parts you posess and are available",
		3069	},
		3070	"c/statistics" => {
		3071	id => "infobox",
		3072	title => "Statistics",
		3073	reply => undef,
		3074	tooltip => "Shows your primary statistics",
		3075	},
		3076	"c/skills" => {
		3077	id => "infobox",
		3078	title => "Skills",
		3079	reply => undef,
		3080	tooltip => "Shows your experience per skill and item power",
		3081	},
		3082	"c/shopitems" => {
		3083	id => "infobox",
		3084	title => "Shop Items",
		3085	reply => undef,
		3086	tooltip => "Shows the items currently for sale in this shop",
		3087	},
		3088	"c/resistances" => {
		3089	id => "infobox",
		3090	title => "Resistances",
		3091	reply => undef,
		3092	tooltip => "Shows your resistances",
		3093	},
		3094	"c/pets" => {
		3095	id => "infobox",
		3096	title => "Pets",
		3097	reply => undef,
		3098	tooltip => "Shows information abotu your pets/a specific pet",
		3099	},
		3100	"c/perceiveself" => {
		3101	id => "infobox",
		3102	title => "Perceive Self",
		3103	reply => undef,
		3104	tooltip => "You gained detailed knowledge about yourself",
		3105	},
		3106	"c/uptime" => {
		3107	id => "infobox",
		3108	title => "Uptime",
		3109	reply => undef,
		3110	tooltip => "How long the server has been running since last restart",
		3111	},
		3112	"c/mapinfo" => {
		3113	id => "infobox",
		3114	title => "Map Info",
		3115	reply => undef,
		3116	tooltip => "Information related to the maps",
		3117	},
		3118	"c/party" => {
		3119	id => "party",
		3120	title => "Party",
		3121	reply => "gsay ",
		3122	tooltip => "Messages and chat related to your party",
		3123	},
		3124	"c/death" => {
		3125	id => "death",
		3126	title => "Death",
		3127	reply => undef,
		3128	tooltip => "Reason for and more info about your most recent death",
		3129	},
		3130	"c/say" => $SAY_CHANNEL,
		3131	"c/chat" => $CHAT_CHANNEL,
		3132	);
		3133
2515	sub cf::client::send_msg {	3134	sub cf::client::send_msg {
2516	my ($self, $channel, $msg, $color, @extra) = @_;	3135	my ($self, $channel, $msg, $color, @extra) = @_;
2517		3136
2518	$msg = $self->pl->expand_cfpod ($msg);	3137	$msg = $self->pl->expand_cfpod ($msg)
		3138	unless $color & cf::NDI_VERBATIM;
2519		3139
2520	$color &= cf::NDI_CLIENT_MASK; # just in case...	3140	$color &= cf::NDI_CLIENT_MASK; # just in case...
2521		3141
		3142	# check predefined channels, for the benefit of C
		3143	if ($CHANNEL{$channel}) {
		3144	$channel = $CHANNEL{$channel};
		3145
		3146	$self->ext_msg (channel_info => $channel);
		3147	$channel = $channel->{id};
		3148
2522	if (ref $channel) {	3149	} elsif (ref $channel) {
2523	# send meta info to client, if not yet sent	3150	# send meta info to client, if not yet sent
2524	unless (exists $self->{channel}{$channel->{id}}) {	3151	unless (exists $self->{channel}{$channel->{id}}) {
2525	$self->{channel}{$channel->{id}} = $channel;	3152	$self->{channel}{$channel->{id}} = $channel;
2526	$self->ext_msg (channel_info => $channel);	3153	$self->ext_msg (channel_info => $channel);
2527	}	3154	}
…		…
2529	$channel = $channel->{id};	3156	$channel = $channel->{id};
2530	}	3157	}
2531		3158
2532	return unless @extra || length $msg;	3159	return unless @extra || length $msg;
2533		3160
2534	if ($self->can_msg) {
2535	# default colour, mask it out	3161	# default colour, mask it out
2536	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3162	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2537	if $color & cf::NDI_DEF;	3163	if $color & cf::NDI_DEF;
2538		3164
2539	$self->send_packet ("msg " . $self->{json_coder}->encode (	3165	my $pkt = "msg "
		3166	. $self->{json_coder}->encode (
2540	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3167	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2541	} else {	3168	);
2542	if ($color >= 0) {
2543	# replace some tags by gcfclient-compatible ones
2544	for ($msg) {
2545	1 while
2546	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2547	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2548	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2549	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2550	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2551	}
2552		3169
2553	$color &= cf::NDI_COLOR_MASK;	3170	$self->send_big_packet ($pkt);
2554
2555	if (0 && $msg =~ /\[/) {
2556	$self->send_packet ("drawextinfo $color 4 0 $msg")
2557	} else {
2558	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2559	$self->send_packet ("drawinfo $color $msg")
2560	}
2561	}
2562	}
2563	}	3171	}
2564		3172
2565	=item $client->ext_msg ($type, @msg)	3173	=item $client->ext_msg ($type, @msg)
2566		3174
2567	Sends an ext event to the client.	3175	Sends an ext event to the client.
…		…
2569	=cut	3177	=cut
2570		3178
2571	sub cf::client::ext_msg($$@) {	3179	sub cf::client::ext_msg($$@) {
2572	my ($self, $type, @msg) = @_;	3180	my ($self, $type, @msg) = @_;
2573		3181
2574	my $extcmd = $self->extcmd;
2575
2576	if ($extcmd == 2) {	3182	if ($self->extcmd == 2) {
2577	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3183	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2578	} elsif ($extcmd == 1) { # TODO: remove	3184	} elsif ($self->extcmd == 1) { # TODO: remove
2579	push @msg, msgtype => "event_$type";	3185	push @msg, msgtype => "event_$type";
2580	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3186	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3187	}
		3188	}
		3189
		3190	=item $client->ext_reply ($msgid, @msg)
		3191
		3192	Sends an ext reply to the client.
		3193
		3194	=cut
		3195
		3196	sub cf::client::ext_reply($$@) {
		3197	my ($self, $id, @msg) = @_;
		3198
		3199	if ($self->extcmd == 2) {
		3200	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3201	} elsif ($self->extcmd == 1) {
		3202	#TODO: version 1, remove
		3203	unshift @msg, msgtype => "reply", msgid => $id;
		3204	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2581	}	3205	}
2582	}	3206	}
2583		3207
2584	=item $success = $client->query ($flags, "text", \&cb)	3208	=item $success = $client->query ($flags, "text", \&cb)
2585		3209
…		…
2646	my ($type, $reply, @payload) =	3270	my ($type, $reply, @payload) =
2647	"ARRAY" eq ref $msg	3271	"ARRAY" eq ref $msg
2648	? @$msg	3272	? @$msg
2649	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	3273	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2650		3274
		3275	my @reply;
		3276
2651	if (my $cb = $EXTICMD{$type}) {	3277	if (my $cb = $EXTICMD{$type}) {
2652	my @reply = $cb->($ns, @payload);	3278	@reply = $cb->($ns, @payload);
2653
2654	$ns->ext_reply ($reply, @reply)
2655	if $reply;
2656	}	3279	}
		3280
		3281	$ns->ext_reply ($reply, @reply)
		3282	if $reply;
		3283
2657	} else {	3284	} else {
2658	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3285	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2659	}	3286	}
2660		3287
2661	cf::override;	3288	cf::override;
2662	},	3289	},
2663	);	3290	);
…		…
2683		3310
2684	$coro	3311	$coro
2685	}	3312	}
2686		3313
2687	cf::client->attach (	3314	cf::client->attach (
2688	on_destroy => sub {	3315	on_client_destroy => sub {
2689	my ($ns) = @_;	3316	my ($ns) = @_;
2690		3317
2691	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3318	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2692	},	3319	},
2693	);	3320	);
…		…
2708	our $safe = new Safe "safe";	3335	our $safe = new Safe "safe";
2709	our $safe_hole = new Safe::Hole;	3336	our $safe_hole = new Safe::Hole;
2710		3337
2711	$SIG{FPE} = 'IGNORE';	3338	$SIG{FPE} = 'IGNORE';
2712		3339
2713	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3340	$safe->permit_only (Opcode::opset qw(
		3341	:base_core :base_mem :base_orig :base_math :base_loop
		3342	grepstart grepwhile mapstart mapwhile
		3343	sort time
		3344	));
2714		3345
2715	# here we export the classes and methods available to script code	3346	# here we export the classes and methods available to script code
2716		3347
2717	=pod	3348	=pod
2718		3349
2719	The following functions and methods are available within a safe environment:	3350	The following functions and methods are available within a safe environment:
2720		3351
2721	cf::object	3352	cf::object
2722	contr pay_amount pay_player map x y force_find force_add	3353	contr pay_amount pay_player map x y force_find force_add destroy
2723	insert remove	3354	insert remove name archname title slaying race decrease split
		3355	value
2724		3356
2725	cf::object::player	3357	cf::object::player
2726	player	3358	player
2727		3359
2728	cf::player	3360	cf::player
…		…
2733		3365
2734	=cut	3366	=cut
2735		3367
2736	for (	3368	for (
2737	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3369	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2738	insert remove)],	3370	insert remove inv nrof name archname title slaying race
		3371	decrease split destroy change_exp value msg lore send_msg)],
2739	["cf::object::player" => qw(player)],	3372	["cf::object::player" => qw(player)],
2740	["cf::player" => qw(peaceful)],	3373	["cf::player" => qw(peaceful send_msg)],
2741	["cf::map" => qw(trigger)],	3374	["cf::map" => qw(trigger)],
2742	) {	3375	) {
2743	no strict 'refs';
2744	my ($pkg, @funs) = @$_;	3376	my ($pkg, @funs) = @$_;
2745	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3377	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2746	for @funs;	3378	for @funs;
2747	}	3379	}
2748		3380
…		…
2763		3395
2764	my $qcode = $code;	3396	my $qcode = $code;
2765	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3397	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2766	$qcode =~ s/\n/\\n/g;	3398	$qcode =~ s/\n/\\n/g;
2767		3399
		3400	%vars = (_dummy => 0) unless %vars;
		3401
		3402	my @res;
2768	local $_;	3403	local $_;
2769	local @safe::cf::_safe_eval_args = values %vars;
2770		3404
2771	my $eval =	3405	my $eval =
2772	"do {\n"	3406	"do {\n"
2773	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3407	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2774	. "#line 0 \"{$qcode}\"\n"	3408	. "#line 0 \"{$qcode}\"\n"
2775	. $code	3409	. $code
2776	. "\n}"	3410	. "\n}"
2777	;	3411	;
2778		3412
		3413	if ($CFG{safe_eval}) {
2779	sub_generation_inc;	3414	sub_generation_inc;
		3415	local @safe::cf::_safe_eval_args = values %vars;
2780	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3416	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2781	sub_generation_inc;	3417	sub_generation_inc;
		3418	} else {
		3419	local @cf::_safe_eval_args = values %vars;
		3420	@res = wantarray ? eval eval : scalar eval $eval;
		3421	}
2782		3422
2783	if ($@) {	3423	if ($@) {
2784	warn "$@";	3424	warn "$@",
2785	warn "while executing safe code '$code'\n";	3425	"while executing safe code '$code'\n",
2786	warn "with arguments " . (join " ", %vars) . "\n";	3426	"with arguments " . (join " ", %vars) . "\n";
2787	}	3427	}
2788		3428
2789	wantarray ? @res : $res[0]	3429	wantarray ? @res : $res[0]
2790	}	3430	}
2791		3431
…		…
2805	=cut	3445	=cut
2806		3446
2807	sub register_script_function {	3447	sub register_script_function {
2808	my ($fun, $cb) = @_;	3448	my ($fun, $cb) = @_;
2809		3449
2810	no strict 'refs';	3450	$fun = "safe::$fun" if $CFG{safe_eval};
2811	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3451	*$fun = $safe_hole->wrap ($cb);
2812	}	3452	}
2813		3453
2814	=back	3454	=back
2815		3455
2816	=cut	3456	=cut
…		…
2819	# the server's init and main functions	3459	# the server's init and main functions
2820		3460
2821	sub load_facedata($) {	3461	sub load_facedata($) {
2822	my ($path) = @_;	3462	my ($path) = @_;
2823		3463
		3464	# HACK to clear player env face cache, we need some signal framework
		3465	# for this (global event?)
		3466	%ext::player_env::MUSIC_FACE_CACHE = ();
		3467
		3468	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3469
2824	warn "loading facedata from $path\n";	3470	trace "loading facedata from $path\n";
2825		3471
2826	my $facedata;	3472	my $facedata = decode_storable load_file $path;
2827	0 < aio_load $path, $facedata
2828	or die "$path: $!";
2829
2830	$facedata = Coro::Storable::thaw $facedata;
2831		3473
2832	$facedata->{version} == 2	3474	$facedata->{version} == 2
2833	or cf::cleanup "$path: version mismatch, cannot proceed.";	3475	or cf::cleanup "$path: version mismatch, cannot proceed.";
2834		3476
		3477	# patch in the exptable
		3478	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3479	$facedata->{resource}{"res/exp_table"} = {
		3480	type => FT_RSRC,
		3481	data => $exp_table,
		3482	hash => (Digest::MD5::md5 $exp_table),
		3483	};
		3484	cf::cede_to_tick;
		3485
2835	{	3486	{
2836	my $faces = $facedata->{faceinfo};	3487	my $faces = $facedata->{faceinfo};
2837		3488
2838	while (my ($face, $info) = each %$faces) {	3489	while (my ($face, $info) = each %$faces) {
2839	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3490	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3491
2840	cf::face::set_visibility $idx, $info->{visibility};	3492	cf::face::set_visibility $idx, $info->{visibility};
2841	cf::face::set_magicmap $idx, $info->{magicmap};	3493	cf::face::set_magicmap $idx, $info->{magicmap};
2842	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3494	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2843	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3495	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3496	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2844		3497
2845	cf::cede_to_tick;	3498	cf::cede_to_tick;
2846	}	3499	}
2847		3500
2848	while (my ($face, $info) = each %$faces) {	3501	while (my ($face, $info) = each %$faces) {
2849	next unless $info->{smooth};	3502	next unless $info->{smooth};
		3503
2850	my $idx = cf::face::find $face	3504	my $idx = cf::face::find $face
2851	or next;	3505	or next;
		3506
2852	if (my $smooth = cf::face::find $info->{smooth}) {	3507	if (my $smooth = cf::face::find $info->{smooth}) {
2853	cf::face::set_smooth $idx, $smooth;	3508	cf::face::set_smooth $idx, $smooth;
2854	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3509	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2855	} else {	3510	} else {
2856	warn "smooth face '$info->{smooth}' not found for face '$face'";	3511	error "smooth face '$info->{smooth}' not found for face '$face'";
2857	}	3512	}
2858		3513
2859	cf::cede_to_tick;	3514	cf::cede_to_tick;
2860	}	3515	}
2861	}	3516	}
…		…
2870		3525
2871	cf::anim::invalidate_all; # d'oh	3526	cf::anim::invalidate_all; # d'oh
2872	}	3527	}
2873		3528
2874	{	3529	{
2875	# TODO: for gcfclient pleasure, we should give resources
2876	# that gcfclient doesn't grok a >10000 face index.
2877	my $res = $facedata->{resource};	3530	my $res = $facedata->{resource};
2878	my $enc = JSON::XS->new->utf8->canonical;
2879
2880	my $soundconf = delete $res->{"res/sound.conf"};
2881		3531
2882	while (my ($name, $info) = each %$res) {	3532	while (my ($name, $info) = each %$res) {
2883	my $meta = $enc->encode ({	3533	if (defined $info->{type}) {
2884	name => $name,
2885	%{ $info->{meta} || {} },
2886	});
2887
2888	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3534	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2889		3535
2890	if ($info->{type} & 1) {
2891	# prepend meta info
2892
2893	my $data = pack "(w/a*)*", $meta, $info->{data};
2894	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2895
2896	cf::face::set_data $idx, 0, $data, $chk;	3536	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3537	cf::face::set_type $idx, $info->{type};
2897	} else {	3538	} else {
2898	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};	3539	$RESOURCE{$name} = $info; # unused
2899	}	3540	}
2900		3541
2901	cf::face::set_type $idx, $info->{type};
2902
2903	cf::cede_to_tick;	3542	cf::cede_to_tick;
2904	}	3543	}
2905
2906	if ($soundconf) {
2907	$soundconf = $enc->decode (delete $soundconf->{data});
2908
2909	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2910	my $sound = $soundconf->{compat}[$_]
2911	or next;
2912
2913	my $face = cf::face::find "sound/$sound->[1]";
2914
2915	cf::sound::set $sound->[0] => $face;
2916	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2917	}
2918
2919	#TODO
2920	}
2921	}	3544	}
		3545
		3546	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2922		3547
2923	1	3548	1
2924	}	3549	}
2925		3550
2926	register_exticmd fx_want => sub {	3551	register_exticmd fx_want => sub {
…		…
2929	while (my ($k, $v) = each %$want) {	3554	while (my ($k, $v) = each %$want) {
2930	$ns->fx_want ($k, $v);	3555	$ns->fx_want ($k, $v);
2931	}	3556	}
2932	};	3557	};
2933		3558
		3559	sub load_resource_file($) {
		3560	my $guard = lock_acquire "load_resource_file";
		3561
		3562	my $status = load_resource_file_ $_[0];
		3563	get_slot 0.1, 100;
		3564	cf::arch::commit_load;
		3565
		3566	$status
		3567	}
		3568
2934	sub reload_regions {	3569	sub reload_regions {
		3570	# HACK to clear player env face cache, we need some signal framework
		3571	# for this (global event?)
		3572	%ext::player_env::MUSIC_FACE_CACHE = ();
		3573
2935	load_resource_file "$MAPDIR/regions"	3574	load_resource_file "$MAPDIR/regions"
2936	or die "unable to load regions file\n";	3575	or die "unable to load regions file\n";
2937		3576
2938	for (cf::region::list) {	3577	for (cf::region::list) {
2939	$_->{match} = qr/$_->{match}/	3578	$_->{match} = qr/$_->{match}/
…		…
2947	}	3586	}
2948		3587
2949	sub reload_archetypes {	3588	sub reload_archetypes {
2950	load_resource_file "$DATADIR/archetypes"	3589	load_resource_file "$DATADIR/archetypes"
2951	or die "unable to load archetypes\n";	3590	or die "unable to load archetypes\n";
2952	#d# NEED to laod twice to resolve forward references
2953	# this really needs to be done in an extra post-pass
2954	# (which needs to be synchronous, so solve it differently)
2955	load_resource_file "$DATADIR/archetypes"
2956	or die "unable to load archetypes\n";
2957	}	3591	}
2958		3592
2959	sub reload_treasures {	3593	sub reload_treasures {
2960	load_resource_file "$DATADIR/treasures"	3594	load_resource_file "$DATADIR/treasures"
2961	or die "unable to load treasurelists\n";	3595	or die "unable to load treasurelists\n";
2962	}	3596	}
2963		3597
		3598	sub reload_sound {
		3599	trace "loading sound config from $DATADIR/sound\n";
		3600
		3601	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3602
		3603	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3604	my $sound = $soundconf->{compat}[$_]
		3605	or next;
		3606
		3607	my $face = cf::face::find "sound/$sound->[1]";
		3608	cf::sound::set $sound->[0] => $face;
		3609	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3610	}
		3611
		3612	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3613	my $face = cf::face::find "sound/$v";
		3614	cf::sound::set $k => $face;
		3615	}
		3616	}
		3617
2964	sub reload_resources {	3618	sub reload_resources {
2965	warn "reloading resource files...\n";	3619	trace "reloading resource files...\n";
2966		3620
		3621	reload_exp_table;
		3622	reload_materials;
		3623	reload_facedata;
		3624	reload_sound;
		3625	reload_archetypes;
2967	reload_regions;	3626	reload_regions;
2968	reload_facedata;
2969	#reload_archetypes;#d#
2970	reload_archetypes;
2971	reload_treasures;	3627	reload_treasures;
2972		3628
2973	warn "finished reloading resource files\n";	3629	trace "finished reloading resource files\n";
2974	}	3630	}
2975		3631
2976	sub init {	3632	sub reload_config {
2977	reload_resources;	3633	trace "reloading config file...\n";
2978	}
2979		3634
2980	sub cfg_load {	3635	my $config = load_file "$CONFDIR/config";
2981	open my $fh, "<:utf8", "$CONFDIR/config"	3636	utf8::decode $config;
2982	or return;	3637	*CFG = decode_yaml $config;
2983		3638
2984	local $/;
2985	*CFG = YAML::Syck::Load <$fh>;
2986
2987	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3639	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2988		3640
2989	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3641	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2990	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3642	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2991		3643
2992	if (exists $CFG{mlockall}) {	3644	if (exists $CFG{mlockall}) {
…		…
2996	};	3648	};
2997	warn $@ if $@;	3649	warn $@ if $@;
2998	}	3650	}
2999	}	3651	}
3000		3652
		3653	sub pidfile() {
		3654	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3655	or die "$PIDFILE: $!";
		3656	flock $fh, &Fcntl::LOCK_EX
		3657	or die "$PIDFILE: flock: $!";
		3658	$fh
		3659	}
		3660
		3661	# make sure only one server instance is running at any one time
		3662	sub atomic {
		3663	my $fh = pidfile;
		3664
		3665	my $pid = <$fh>;
		3666	kill 9, $pid if $pid > 0;
		3667
		3668	seek $fh, 0, 0;
		3669	print $fh $$;
		3670	}
		3671
		3672	sub main_loop {
		3673	trace "EV::loop starting\n";
		3674	if (1) {
		3675	EV::loop;
		3676	}
		3677	trace "EV::loop returned\n";
		3678	goto &main_loop unless $REALLY_UNLOOP;
		3679	}
		3680
3001	sub main {	3681	sub main {
		3682	cf::init_globals; # initialise logging
		3683
		3684	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3685	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3686	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3687	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3688
		3689	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3690
3002	# we must not ever block the main coroutine	3691	# we must not ever block the main coroutine
3003	local $Coro::idle = sub {	3692	local $Coro::idle = sub {
3004	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3693	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3005	(async {	3694	(async {
3006	Event::one_event;	3695	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3696	EV::loop EV::LOOP_ONESHOT;
3007	})->prio (Coro::PRIO_MAX);	3697	})->prio (Coro::PRIO_MAX);
3008	};	3698	};
3009		3699
3010	cfg_load;	3700	evthread_start IO::AIO::poll_fileno;
		3701
		3702	cf::sync_job {
		3703	cf::incloader::init ();
		3704
		3705	cf::init_anim;
		3706	cf::init_attackmess;
		3707	cf::init_dynamic;
		3708
		3709	cf::load_settings;
		3710
		3711	reload_resources;
		3712	reload_config;
3011	db_init;	3713	db_init;
		3714
		3715	cf::init_uuid;
		3716	cf::init_signals;
		3717	cf::init_skills;
		3718
		3719	cf::init_beforeplay;
		3720
		3721	atomic;
		3722
3012	load_extensions;	3723	load_extensions;
3013		3724
3014	$TICK_WATCHER->start;	3725	utime time, time, $RUNTIMEFILE;
3015	Event::loop;	3726
		3727	# no (long-running) fork's whatsoever before this point(!)
		3728	use POSIX ();
		3729	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3730
		3731	cf::_post_init 0;
		3732	};
		3733
		3734	cf::object::thawer::errors_are_fatal 0;
		3735	info "parse errors in files are no longer fatal from this point on.\n";
		3736
		3737	my $free_main; $free_main = EV::idle sub {
		3738	undef $free_main;
		3739	undef &main; # free gobs of memory :)
		3740	};
		3741
		3742	goto &main_loop;
3016	}	3743	}
3017		3744
3018	#############################################################################	3745	#############################################################################
3019	# initialisation and cleanup	3746	# initialisation and cleanup
3020		3747
3021	# install some emergency cleanup handlers	3748	# install some emergency cleanup handlers
3022	BEGIN {	3749	BEGIN {
		3750	our %SIGWATCHER = ();
3023	for my $signal (qw(INT HUP TERM)) {	3751	for my $signal (qw(INT HUP TERM)) {
3024	Event->signal (	3752	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3025	reentrant => 0,
3026	data => WF_AUTOCANCEL,
3027	signal => $signal,
3028	prio => 0,
3029	cb => sub {
3030	cf::cleanup "SIG$signal";	3753	cf::cleanup "SIG$signal";
3031	},
3032	);	3754	};
3033	}	3755	}
3034	}	3756	}
3035		3757
3036	sub write_runtime {	3758	sub write_runtime_sync {
3037	my $runtime = "$LOCALDIR/runtime";	3759	my $t0 = AE::time;
3038		3760
3039	# first touch the runtime file to show we are still running:	3761	# first touch the runtime file to show we are still running:
3040	# the fsync below can take a very very long time.	3762	# the fsync below can take a very very long time.
3041		3763
3042	IO::AIO::aio_utime $runtime, undef, undef;	3764	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3043		3765
3044	my $guard = cf::lock_acquire "write_runtime";	3766	my $guard = cf::lock_acquire "write_runtime";
3045		3767
3046	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3768	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3047	or return;	3769	or return;
3048		3770
3049	my $value = $cf::RUNTIME + 90 + 10;	3771	my $value = $cf::RUNTIME + 90 + 10;
3050	# 10 is the runtime save interval, for a monotonic clock	3772	# 10 is the runtime save interval, for a monotonic clock
3051	# 60 allows for the watchdog to kill the server.	3773	# 60 allows for the watchdog to kill the server.
…		…
3061	aio_utime $fh, undef, undef;	3783	aio_utime $fh, undef, undef;
3062		3784
3063	close $fh	3785	close $fh
3064	or return;	3786	or return;
3065		3787
3066	aio_rename "$runtime~", $runtime	3788	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3067	and return;	3789	and return;
3068		3790
3069	warn "runtime file written.\n";	3791	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3070		3792
3071	1	3793	1
		3794	}
		3795
		3796	our $uuid_lock;
		3797	our $uuid_skip;
		3798
		3799	sub write_uuid_sync($) {
		3800	$uuid_skip ||= $_[0];
		3801
		3802	return if $uuid_lock;
		3803	local $uuid_lock = 1;
		3804
		3805	my $uuid = "$LOCALDIR/uuid";
		3806
		3807	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3808	or return;
		3809
		3810	my $value = uuid_seq uuid_cur;
		3811
		3812	unless ($value) {
		3813	info "cowardly refusing to write zero uuid value!\n";
		3814	return;
		3815	}
		3816
		3817	my $value = uuid_str $value + $uuid_skip;
		3818	$uuid_skip = 0;
		3819
		3820	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3821	and return;
		3822
		3823	# always fsync - this file is important
		3824	aio_fsync $fh
		3825	and return;
		3826
		3827	close $fh
		3828	or return;
		3829
		3830	aio_rename "$uuid~", $uuid
		3831	and return;
		3832
		3833	trace "uuid file written ($value).\n";
		3834
		3835	1
		3836
		3837	}
		3838
		3839	sub write_uuid($$) {
		3840	my ($skip, $sync) = @_;
		3841
		3842	$sync ? write_uuid_sync $skip
		3843	: async { write_uuid_sync $skip };
3072	}	3844	}
3073		3845
3074	sub emergency_save() {	3846	sub emergency_save() {
3075	my $freeze_guard = cf::freeze_mainloop;	3847	my $freeze_guard = cf::freeze_mainloop;
3076		3848
3077	warn "enter emergency perl save\n";	3849	info "emergency_perl_save: enter\n";
		3850
		3851	# this is a trade-off: we want to be very quick here, so
		3852	# save all maps without fsync, and later call a global sync
		3853	# (which in turn might be very very slow)
		3854	local $USE_FSYNC = 0;
3078		3855
3079	cf::sync_job {	3856	cf::sync_job {
		3857	cf::write_runtime_sync; # external watchdog should not bark
		3858
3080	# use a peculiar iteration method to avoid tripping on perl	3859	# use a peculiar iteration method to avoid tripping on perl
3081	# refcount bugs in for. also avoids problems with players	3860	# refcount bugs in for. also avoids problems with players
3082	# and maps saved/destroyed asynchronously.	3861	# and maps saved/destroyed asynchronously.
3083	warn "begin emergency player save\n";	3862	info "emergency_perl_save: begin player save\n";
3084	for my $login (keys %cf::PLAYER) {	3863	for my $login (keys %cf::PLAYER) {
3085	my $pl = $cf::PLAYER{$login} or next;	3864	my $pl = $cf::PLAYER{$login} or next;
3086	$pl->valid or next;	3865	$pl->valid or next;
		3866	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3087	$pl->save;	3867	$pl->save;
3088	}	3868	}
3089	warn "end emergency player save\n";	3869	info "emergency_perl_save: end player save\n";
3090		3870
3091	warn "begin emergency map save\n";	3871	cf::write_runtime_sync; # external watchdog should not bark
		3872
		3873	info "emergency_perl_save: begin map save\n";
3092	for my $path (keys %cf::MAP) {	3874	for my $path (keys %cf::MAP) {
3093	my $map = $cf::MAP{$path} or next;	3875	my $map = $cf::MAP{$path} or next;
3094	$map->valid or next;	3876	$map->valid or next;
3095	$map->save;	3877	$map->save;
3096	}	3878	}
3097	warn "end emergency map save\n";	3879	info "emergency_perl_save: end map save\n";
3098		3880
3099	warn "begin emergency database checkpoint\n";	3881	cf::write_runtime_sync; # external watchdog should not bark
		3882
		3883	info "emergency_perl_save: begin database checkpoint\n";
3100	BDB::db_env_txn_checkpoint $DB_ENV;	3884	BDB::db_env_txn_checkpoint $DB_ENV;
3101	warn "end emergency database checkpoint\n";	3885	info "emergency_perl_save: end database checkpoint\n";
		3886
		3887	info "emergency_perl_save: begin write uuid\n";
		3888	write_uuid_sync 1;
		3889	info "emergency_perl_save: end write uuid\n";
		3890
		3891	cf::write_runtime_sync; # external watchdog should not bark
		3892
		3893	trace "emergency_perl_save: syncing database to disk";
		3894	BDB::db_env_txn_checkpoint $DB_ENV;
		3895
		3896	info "emergency_perl_save: starting sync\n";
		3897	IO::AIO::aio_sync sub {
		3898	info "emergency_perl_save: finished sync\n";
		3899	};
		3900
		3901	cf::write_runtime_sync; # external watchdog should not bark
		3902
		3903	trace "emergency_perl_save: flushing outstanding aio requests";
		3904	while (IO::AIO::nreqs || BDB::nreqs) {
		3905	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3906	}
		3907
		3908	cf::write_runtime_sync; # external watchdog should not bark
3102	};	3909	};
3103		3910
3104	warn "leave emergency perl save\n";	3911	info "emergency_perl_save: leave\n";
3105	}	3912	}
3106		3913
3107	sub post_cleanup {	3914	sub post_cleanup {
3108	my ($make_core) = @_;	3915	my ($make_core) = @_;
3109		3916
		3917	IO::AIO::flush;
		3918
3110	warn Carp::longmess "post_cleanup backtrace"	3919	error Carp::longmess "post_cleanup backtrace"
3111	if $make_core;	3920	if $make_core;
		3921
		3922	my $fh = pidfile;
		3923	unlink $PIDFILE if <$fh> == $$;
		3924	}
		3925
		3926	# a safer delete_package, copied from Symbol
		3927	sub clear_package($) {
		3928	my $pkg = shift;
		3929
		3930	# expand to full symbol table name if needed
		3931	unless ($pkg =~ /^main::.*::$/) {
		3932	$pkg = "main$pkg" if $pkg =~ /^::/;
		3933	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3934	$pkg .= '::' unless $pkg =~ /::$/;
		3935	}
		3936
		3937	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3938	my $stem_symtab = *{$stem}{HASH};
		3939
		3940	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3941	or return;
		3942
		3943	# clear all symbols
		3944	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3945	for my $name (keys %$leaf_symtab) {
		3946	_gv_clear *{"$pkg$name"};
		3947	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3948	}
3112	}	3949	}
3113		3950
3114	sub do_reload_perl() {	3951	sub do_reload_perl() {
3115	# can/must only be called in main	3952	# can/must only be called in main
3116	if ($Coro::current != $Coro::main) {	3953	unless (in_main) {
3117	warn "can only reload from main coroutine";	3954	error "can only reload from main coroutine";
3118	return;	3955	return;
3119	}	3956	}
3120		3957
3121	warn "reloading...";	3958	return if $RELOAD++;
3122		3959
3123	warn "entering sync_job";	3960	my $t1 = AE::time;
3124		3961
		3962	while ($RELOAD) {
		3963	cf::get_slot 0.1, -1, "reload_perl";
		3964	info "perl_reload: reloading...";
		3965
		3966	trace "perl_reload: entering sync_job";
		3967
3125	cf::sync_job {	3968	cf::sync_job {
3126	cf::write_runtime; # external watchdog should not bark
3127	cf::emergency_save;	3969	#cf::emergency_save;
3128	cf::write_runtime; # external watchdog should not bark
3129		3970
3130	warn "syncing database to disk";
3131	BDB::db_env_txn_checkpoint $DB_ENV;
3132
3133	# if anything goes wrong in here, we should simply crash as we already saved
3134
3135	warn "cancelling all WF_AUTOCANCEL watchers";
3136	for (Event::all_watchers) {
3137	$_->cancel if $_->data & WF_AUTOCANCEL;
3138	}
3139
3140	warn "flushing outstanding aio requests";
3141	for (;;) {
3142	BDB::flush;
3143	IO::AIO::flush;
3144	Coro::cede;
3145	last unless IO::AIO::nreqs || BDB::nreqs;
3146	warn "iterate...";
3147	}
3148
3149	++$RELOAD;
3150
3151	warn "cancelling all extension coros";	3971	trace "perl_reload: cancelling all extension coros";
3152	$_->cancel for values %EXT_CORO;	3972	$_->cancel for values %EXT_CORO;
3153	%EXT_CORO = ();	3973	%EXT_CORO = ();
3154		3974
3155	warn "removing commands";	3975	trace "perl_reload: removing commands";
3156	%COMMAND = ();	3976	%COMMAND = ();
3157		3977
3158	warn "removing ext/exti commands";	3978	trace "perl_reload: removing ext/exti commands";
3159	%EXTCMD = ();	3979	%EXTCMD = ();
3160	%EXTICMD = ();	3980	%EXTICMD = ();
3161		3981
3162	warn "unloading/nuking all extensions";	3982	trace "perl_reload: unloading/nuking all extensions";
3163	for my $pkg (@EXTS) {	3983	for my $pkg (@EXTS) {
3164	warn "... unloading $pkg";	3984	trace "... unloading $pkg";
3165		3985
3166	if (my $cb = $pkg->can ("unload")) {	3986	if (my $cb = $pkg->can ("unload")) {
3167	eval {	3987	eval {
3168	$cb->($pkg);	3988	$cb->($pkg);
3169	1	3989	1
3170	} or warn "$pkg unloaded, but with errors: $@";	3990	} or error "$pkg unloaded, but with errors: $@";
		3991	}
		3992
		3993	trace "... clearing $pkg";
		3994	clear_package $pkg;
3171	}	3995	}
3172		3996
3173	warn "... nuking $pkg";
3174	Symbol::delete_package $pkg;
3175	}
3176
3177	warn "unloading all perl modules loaded from $LIBDIR";	3997	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3178	while (my ($k, $v) = each %INC) {	3998	while (my ($k, $v) = each %INC) {
3179	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3999	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3180		4000
3181	warn "... unloading $k";	4001	trace "... unloading $k";
3182	delete $INC{$k};	4002	delete $INC{$k};
3183		4003
3184	$k =~ s/\.pm$//;	4004	$k =~ s/\.pm$//;
3185	$k =~ s/\//::/g;	4005	$k =~ s/\//::/g;
3186		4006
3187	if (my $cb = $k->can ("unload_module")) {	4007	if (my $cb = $k->can ("unload_module")) {
3188	$cb->();	4008	$cb->();
		4009	}
		4010
		4011	clear_package $k;
3189	}	4012	}
3190		4013
3191	Symbol::delete_package $k;
3192	}
3193
3194	warn "getting rid of safe::, as good as possible";	4014	trace "perl_reload: getting rid of safe::, as good as possible";
3195	Symbol::delete_package "safe::$_"	4015	clear_package "safe::$_"
3196	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4016	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3197		4017
3198	warn "unloading cf.pm \"a bit\"";	4018	trace "perl_reload: unloading cf.pm \"a bit\"";
3199	delete $INC{"cf.pm"};	4019	delete $INC{"cf.pm"};
3200	delete $INC{"cf/pod.pm"};	4020	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3201		4021
3202	# don't, removes xs symbols, too,	4022	# don't, removes xs symbols, too,
3203	# and global variables created in xs	4023	# and global variables created in xs
3204	#Symbol::delete_package __PACKAGE__;	4024	#clear_package __PACKAGE__;
3205		4025
3206	warn "unload completed, starting to reload now";	4026	info "perl_reload: unload completed, starting to reload now";
3207		4027
3208	warn "reloading cf.pm";	4028	trace "perl_reload: reloading cf.pm";
3209	require cf;	4029	require cf;
3210	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4030	cf::_connect_to_perl_1;
3211		4031
3212	warn "loading config and database again";	4032	trace "perl_reload: loading config and database again";
3213	cf::cfg_load;	4033	cf::reload_config;
3214		4034
3215	warn "loading extensions";	4035	trace "perl_reload: loading extensions";
3216	cf::load_extensions;	4036	cf::load_extensions;
3217		4037
		4038	if ($REATTACH_ON_RELOAD) {
3218	warn "reattaching attachments to objects/players";	4039	trace "perl_reload: reattaching attachments to objects/players";
3219	_global_reattach; # objects, sockets	4040	_global_reattach; # objects, sockets
3220	warn "reattaching attachments to maps";	4041	trace "perl_reload: reattaching attachments to maps";
3221	reattach $_ for values %MAP;	4042	reattach $_ for values %MAP;
3222	warn "reattaching attachments to players";	4043	trace "perl_reload: reattaching attachments to players";
3223	reattach $_ for values %PLAYER;	4044	reattach $_ for values %PLAYER;
		4045	}
3224		4046
3225	warn "leaving sync_job";	4047	cf::_post_init 1;
3226		4048
		4049	trace "perl_reload: leaving sync_job";
		4050
3227	1	4051	1
3228	} or do {	4052	} or do {
3229	warn $@;	4053	error $@;
3230	warn "error while reloading, exiting.";	4054	cf::cleanup "perl_reload: error, exiting.";
3231	exit 1;	4055	};
		4056
		4057	--$RELOAD;
3232	};	4058	}
3233		4059
3234	warn "reloaded";	4060	$t1 = AE::time - $t1;
		4061	info "perl_reload: completed in ${t1}s\n";
3235	};	4062	};
3236		4063
3237	our $RELOAD_WATCHER; # used only during reload	4064	our $RELOAD_WATCHER; # used only during reload
3238		4065
3239	sub reload_perl() {	4066	sub reload_perl() {
3240	# doing reload synchronously and two reloads happen back-to-back,	4067	# doing reload synchronously and two reloads happen back-to-back,
3241	# coro crashes during coro_state_free->destroy here.	4068	# coro crashes during coro_state_free->destroy here.
3242		4069
3243	$RELOAD_WATCHER ||= Event->timer (	4070	$RELOAD_WATCHER ||= cf::async {
3244	reentrant => 0,	4071	Coro::AIO::aio_wait cache_extensions;
3245	after => 0,	4072
3246	data => WF_AUTOCANCEL,	4073	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3247	cb => sub {
3248	do_reload_perl;	4074	do_reload_perl;
3249	undef $RELOAD_WATCHER;	4075	undef $RELOAD_WATCHER;
3250	},	4076	};
3251	);	4077	};
3252	}	4078	}
3253		4079
3254	register_command "reload" => sub {	4080	register_command "reload" => sub {
3255	my ($who, $arg) = @_;	4081	my ($who, $arg) = @_;
3256		4082
3257	if ($who->flag (FLAG_WIZ)) {	4083	if ($who->flag (FLAG_WIZ)) {
3258	$who->message ("reloading server.");	4084	$who->message ("reloading server.");
		4085	async {
		4086	$Coro::current->{desc} = "perl_reload";
3259	async { reload_perl };	4087	reload_perl;
		4088	};
3260	}	4089	}
3261	};	4090	};
3262		4091
3263	unshift @INC, $LIBDIR;	4092	#############################################################################
3264		4093
3265	my $bug_warning = 0;	4094	my $bug_warning = 0;
3266		4095
3267	our @WAIT_FOR_TICK;	4096	our @WAIT_FOR_TICK;
3268	our @WAIT_FOR_TICK_BEGIN;	4097	our @WAIT_FOR_TICK_BEGIN;
3269		4098
3270	sub wait_for_tick {	4099	sub wait_for_tick() {
3271	return unless $TICK_WATCHER->is_active;
3272	return if $Coro::current == $Coro::main;	4100	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3273		4101
3274	my $signal = new Coro::Signal;	4102	my $signal = new Coro::Signal;
3275	push @WAIT_FOR_TICK, $signal;	4103	push @WAIT_FOR_TICK, $signal;
3276	$signal->wait;	4104	$signal->wait;
3277	}	4105	}
3278		4106
3279	sub wait_for_tick_begin {	4107	sub wait_for_tick_begin() {
3280	return unless $TICK_WATCHER->is_active;
3281	return if $Coro::current == $Coro::main;	4108	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3282		4109
3283	my $signal = new Coro::Signal;	4110	my $signal = new Coro::Signal;
3284	push @WAIT_FOR_TICK_BEGIN, $signal;	4111	push @WAIT_FOR_TICK_BEGIN, $signal;
3285	$signal->wait;	4112	$signal->wait;
3286	}	4113	}
3287		4114
3288	my $min = 1e6;#d#	4115	sub tick {
3289	my $avg = 10;
3290	$TICK_WATCHER = Event->timer (
3291	reentrant => 0,
3292	parked => 1,
3293	prio => 0,
3294	at => $NEXT_TICK || $TICK,
3295	data => WF_AUTOCANCEL,
3296	cb => sub {
3297	if ($Coro::current != $Coro::main) {	4116	if ($Coro::current != $Coro::main) {
3298	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4117	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3299	unless ++$bug_warning > 10;	4118	unless ++$bug_warning > 10;
3300	return;	4119	return;
3301	}	4120	}
3302		4121
3303	$NOW = $tick_start = Event::time;
3304
3305	cf::server_tick; # one server iteration	4122	cf::server_tick; # one server iteration
3306		4123
3307	0 && sync_job {#d#	4124	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3308	for(1..10) {
3309	my $t = Event::time;
3310	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3311	or die;
3312		4125
3313	$map->width (50);	4126	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3314	$map->height (50);	4127	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3315	$map->alloc;	4128	Coro::async_pool {
3316	$map->_load_objects ("/tmp/x.map", 1);	4129	$Coro::current->{desc} = "runtime saver";
3317	my $t = Event::time - $t;	4130	write_runtime_sync
3318		4131	or error "ERROR: unable to write runtime file: $!";
3319	#next unless $t < 0.0013;#d#
3320	if ($t < $min) {
3321	$min = $t;
3322	}
3323	$avg = $avg * 0.99 + $t * 0.01;
3324	}
3325	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3326	exit 0;
3327	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3328	};	4132	};
		4133	}
3329		4134
3330	$RUNTIME += $TICK;
3331	$NEXT_TICK += $TICK;
3332
3333	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3334	$NEXT_RUNTIME_WRITE = $NOW + 10;
3335	Coro::async_pool {
3336	write_runtime
3337	or warn "ERROR: unable to write runtime file: $!";
3338	};
3339	}
3340
3341	# my $AFTER = Event::time;
3342	# warn $AFTER - $NOW;#d#
3343
3344	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4135	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3345	$sig->send;	4136	$sig->send;
3346	}	4137	}
3347	while (my $sig = shift @WAIT_FOR_TICK) {	4138	while (my $sig = shift @WAIT_FOR_TICK) {
3348	$sig->send;	4139	$sig->send;
3349	}	4140	}
3350		4141
3351	$NOW = Event::time;	4142	$LOAD = ($NOW - $TICK_START) / $TICK;
3352
3353	# if we are delayed by four ticks or more, skip them all
3354	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3355
3356	$TICK_WATCHER->at ($NEXT_TICK);
3357	$TICK_WATCHER->start;
3358
3359	$LOAD = ($NOW - $tick_start) / $TICK;
3360	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4143	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3361		4144
3362	_post_tick;	4145	if (0) {
3363		4146	if ($NEXT_TICK) {
3364		4147	my $jitter = $TICK_START - $NEXT_TICK;
		4148	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4149	debug "jitter $JITTER\n";#d#
		4150	}
3365	},	4151	}
3366	);	4152	}
3367		4153
3368	{	4154	{
3369	BDB::max_poll_time $TICK * 0.1;	4155	# configure BDB
3370	$BDB_POLL_WATCHER = Event->io (	4156
3371	reentrant => 0,
3372	fd => BDB::poll_fileno,
3373	poll => 'r',
3374	prio => 0,
3375	data => WF_AUTOCANCEL,
3376	cb => \&BDB::poll_cb,
3377	);
3378	BDB::min_parallel 8;	4157	BDB::min_parallel 16;
3379		4158	BDB::max_poll_reqs $TICK * 0.1;
3380	BDB::set_sync_prepare {	4159	$AnyEvent::BDB::WATCHER->priority (1);
3381	my $status;
3382	my $current = $Coro::current;
3383	(
3384	sub {
3385	$status = $!;
3386	$current->ready; undef $current;
3387	},
3388	sub {
3389	Coro::schedule while defined $current;
3390	$! = $status;
3391	},
3392	)
3393	};
3394		4160
3395	unless ($DB_ENV) {	4161	unless ($DB_ENV) {
3396	$DB_ENV = BDB::db_env_create;	4162	$DB_ENV = BDB::db_env_create;
		4163	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4164	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4165	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4166	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4167	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3397		4168
3398	cf::sync_job {	4169	cf::sync_job {
3399	eval {	4170	eval {
3400	BDB::db_env_open	4171	BDB::db_env_open
3401	$DB_ENV,	4172	$DB_ENV,
…		…
3403	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4174	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3404	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4175	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3405	0666;	4176	0666;
3406		4177
3407	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4178	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3408
3409	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3410	$DB_ENV->set_lk_detect;
3411	};	4179	};
3412		4180
3413	cf::cleanup "db_env_open(db): $@" if $@;	4181	cf::cleanup "db_env_open(db): $@" if $@;
3414	};	4182	};
3415	}	4183	}
		4184
		4185	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4186	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4187	};
		4188	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4189	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4190	};
		4191	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4192	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4193	};
3416	}	4194	}
3417		4195
3418	{	4196	{
		4197	# configure IO::AIO
		4198
3419	IO::AIO::min_parallel 8;	4199	IO::AIO::min_parallel 8;
3420
3421	undef $Coro::AIO::WATCHER;
3422	IO::AIO::max_poll_time $TICK * 0.1;	4200	IO::AIO::max_poll_time $TICK * 0.1;
3423	$AIO_POLL_WATCHER = Event->io (	4201	undef $AnyEvent::AIO::WATCHER;
3424	reentrant => 0,
3425	data => WF_AUTOCANCEL,
3426	fd => IO::AIO::poll_fileno,
3427	poll => 'r',
3428	prio => 6,
3429	cb => \&IO::AIO::poll_cb,
3430	);
3431	}	4202	}
3432		4203
3433	my $_log_backtrace;	4204	our $_log_backtrace;
		4205	our $_log_backtrace_last;
3434		4206
3435	sub _log_backtrace {	4207	sub _log_backtrace {
3436	my ($msg, @addr) = @_;	4208	my ($msg, @addr) = @_;
3437		4209
3438	$msg =~ s/\n//;	4210	$msg =~ s/\n$//;
3439		4211
		4212	if ($_log_backtrace_last eq $msg) {
		4213	LOG llevInfo, "[ABT] $msg\n";
		4214	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3440	# limit the # of concurrent backtraces	4215	# limit the # of concurrent backtraces
3441	if ($_log_backtrace < 2) {	4216	} elsif ($_log_backtrace < 2) {
		4217	$_log_backtrace_last = $msg;
3442	++$_log_backtrace;	4218	++$_log_backtrace;
		4219	my $perl_bt = Carp::longmess $msg;
3443	async {	4220	async {
		4221	$Coro::current->{desc} = "abt $msg";
		4222
3444	my @bt = fork_call {	4223	my @bt = fork_call {
3445	@addr = map { sprintf "%x", $_ } @addr;	4224	@addr = map { sprintf "%x", $_ } @addr;
3446	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4225	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3447	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4226	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3448	or die "addr2line: $!";	4227	or die "addr2line: $!";
…		…
3456	}	4235	}
3457		4236
3458	@funcs	4237	@funcs
3459	};	4238	};
3460		4239
3461	LOG llevInfo, "[ABT] $msg\n";	4240	LOG llevInfo, "[ABT] $perl_bt\n";
		4241	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3462	LOG llevInfo, "[ABT] $_\n" for @bt;	4242	LOG llevInfo, "[ABT] $_\n" for @bt;
3463	--$_log_backtrace;	4243	--$_log_backtrace;
3464	};	4244	};
3465	} else {	4245	} else {
3466	LOG llevInfo, "[ABT] $msg\n";	4246	LOG llevInfo, "[ABT] $msg\n";
3467	LOG llevInfo, "[ABT] [suppressed]\n";	4247	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3468	}	4248	}
3469	}	4249	}
3470		4250
3471	# load additional modules	4251	# load additional modules
3472	use cf::pod;	4252	require "cf/$_.pm" for @EXTRA_MODULES;
		4253	cf::_connect_to_perl_2;
3473		4254
3474	END { cf::emergency_save }	4255	END { cf::emergency_save }
3475		4256
3476	1	4257	1
3477		4258

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