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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.330 by elmex, Fri Aug 10 10:35:07 2007 UTC vs.
Revision 1.565 by root, Sat Apr 30 05:41:17 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
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
…		…
1395	my ($pl) = @_;	1722	my ($pl) = @_;
1396		1723
1397	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1398		1725
1399	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1400	$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
1401		1728
1402	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1403	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1404	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1405	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1406		1737
1407	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1408	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1409	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1444	or return [];	1775	or return [];
1445		1776
1446	my @logins;	1777	my @logins;
1447		1778
1448	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") {
1449	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1450	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1451	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1452		1789
1453	utf8::decode $login;	1790	utf8::decode $login;
1454	push @logins, $login;	1791	push @logins, $login;
1455	}	1792	}
1456		1793
1457	\@logins	1794	\@logins
1458	}	1795	}
1459		1796
1460	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1461		1800
1462	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1463	player. May block.	1802	player. May block.
1464		1803
1465	=cut	1804	=cut
…		…
1483	}	1822	}
1484		1823
1485	\@paths	1824	\@paths
1486	}	1825	}
1487		1826
1488	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1489		1828
1490	Expand crossfire pod fragments into protocol xml.	1829	Expand deliantra pod fragments into protocol xml.
1491
1492	=cut
1493
1494	sub expand_cfpod {
1495	((my $self), (local $_)) = @_;
1496
1497	# escape & and <
1498	s/&/&amp;/g;
1499	s/(?<![BIUGH])</&lt;/g;
1500
1501	# this is buggy, it needs to properly take care of nested <'s
1502
1503	1 while
1504	# replace B<>, I<>, U<> etc.
1505	s/B<([^\>]*)>/<b>$1<\/b>/
1506	|| s/I<([^\>]*)>/<i>$1<\/i>/
1507	|| s/U<([^\>]*)>/<u>$1<\/u>/
1508	# replace G<male|female> tags
1509	|| s{G<([^>|]*)\|([^>]*)>}{
1510	$self->gender ? $2 : $1
1511	}ge
1512	# replace H<hint text>
1513	|| s{H<([^\>]*)>}
1514	{
1515	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1516	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1517	"")
1518	[$self->{hintmode}]
1519	}ge;
1520
1521	# create single paragraphs (very hackish)
1522	s/(?<=\S)\n(?=\w)/ /g;
1523
1524	# compress some whitespace
1525	s/\s+\n/\n/g; # ws line-ends
1526	s/\n\n+/\n/g; # double lines
1527	s/^\n+//; # beginning lines
1528	s/\n+$//; # ending lines
1529
1530	$_
1531	}
1532
1533	sub hintmode {
1534	$_[0]{hintmode} = $_[1] if @_ > 1;
1535	$_[0]{hintmode}
1536	}
1537		1830
1538	=item $player->ext_reply ($msgid, @msg)	1831	=item $player->ext_reply ($msgid, @msg)
1539		1832
1540	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1541		1834
1542	=cut	1835	=cut
1543		1836
1544	sub ext_reply($$@) {	1837	sub ext_reply($$@) {
1545	my ($self, $id, @msg) = @_;	1838	my ($self, $id, @msg) = @_;
1546		1839
1547	if ($self->ns->extcmd == 2) {	1840	$self->ns->ext_reply ($id, @msg)
1548	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1549	} elsif ($self->ns->extcmd == 1) {
1550	#TODO: version 1, remove
1551	unshift @msg, msgtype => "reply", msgid => $id;
1552	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1553	}
1554	}	1841	}
1555		1842
1556	=item $player->ext_msg ($type, @msg)	1843	=item $player->ext_msg ($type, @msg)
1557		1844
1558	Sends an ext event to the client.	1845	Sends an ext event to the client.
…		…
1579		1866
1580	=cut	1867	=cut
1581		1868
1582	sub find_by_path($) {	1869	sub find_by_path($) {
1583	my ($path) = @_;	1870	my ($path) = @_;
		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
1584		1873
1585	my ($match, $specificity);	1874	my ($match, $specificity);
1586		1875
1587	for my $region (list) {	1876	for my $region (list) {
1588	if ($region->{match} && $path =~ $region->{match}) {	1877	if ($region->{match} && $path =~ $region->{match}) {
…		…
1614	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1615	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1616		1905
1617	sub generate_random_map {	1906	sub generate_random_map {
1618	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1619	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1620	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1621	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1622	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1623	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1624	$rmp->{exit_on_final_map},
1625	$rmp->{xsize}, $rmp->{ysize},
1626	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1627	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1628	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1629	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1630	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1631	(cf::region::find $rmp->{region}), $rmp->{custom}
1632	)
1633	}	1912	}
1634		1913
1635	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1636		1915
1637	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
…		…
1642		1921
1643	sub register {	1922	sub register {
1644	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1645	my $pkg = caller;	1924	my $pkg = caller;
1646		1925
1647	no strict;
1648	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1649		1927
1650	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1651	}	1929	}
1652		1930
1653	# also paths starting with '/'	1931	# also paths starting with '/'
1654	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1655		1933
1656	sub thawer_merge {	1934	sub thawer_merge {
1657	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1658		1936
1659	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
…		…
1664	}	1942	}
1665		1943
1666	sub normalise {	1944	sub normalise {
1667	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1668		1946
1669	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1670		1948
1671	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1672		1950
1673	# map plan:	1951	# map plan:
1674	#	1952	#
…		…
1676	# {... are special paths that are not being touched	1954	# {... are special paths that are not being touched
1677	# ?xxx/... are special absolute paths	1955	# ?xxx/... are special absolute paths
1678	# ?random/... random maps	1956	# ?random/... random maps
1679	# /... normal maps	1957	# /... normal maps
1680	# ~user/... per-player map of a specific user	1958	# ~user/... per-player map of a specific user
		1959	# !up !down for quad maps, or other maps with up/down layers
1681		1960
1682	$path =~ s/$PATH_SEP/\//go;	1961	$path =~ s/$PATH_SEP/\//go;
1683		1962
1684	# treat it as relative path if it starts with	1963	# treat it as relative path if it starts with
1685	# something that looks reasonable	1964	# something that looks reasonable
1686	if ($path =~ m{^(?:\./|\.\./|\w)}) {	1965	if ($path =~ m{^(?:\./|\.\./|\w)}) {
1687	$base or Carp::carp "normalise called with relative path and no base: '$path'";	1966	$base or Carp::carp "normalise called with relative path and no base: '$path'";
1688		1967
1689	$base =~ s{[^/]+/?$}{};	1968	$base =~ s{[^/]+/?$}{};
1690	$path = "$base/$path";	1969	$path = "$base/$path";
		1970
		1971	} elsif ($path eq '!up') {
		1972	$base && ref $base
		1973	or Carp::carp "normalise called with relative tile path and no base: '$path'";
		1974
		1975	my $uppth = $base->tile_path (cf::TILE_UP);
		1976	$path = $uppth if $uppth;
		1977
		1978	} elsif ($path eq '!down') {
		1979	$base && ref $base
		1980	or Carp::carp "normalise called with relative tile path and no base: '$path'";
		1981
		1982	my $dpth = $base->tile_path (cf::TILE_DOWN);
		1983	$path = $dpth if $dpth;
1691	}	1984	}
1692		1985
1693	for ($path) {	1986	for ($path) {
1694	redo if s{//}{/};
1695	redo if s{/\.?/}{/};	1987	redo if s{/\.?/}{/};
1696	redo if s{/[^/]+/\.\./}{/};	1988	redo if s{/[^/]+/\.\./}{/};
1697	}	1989	}
1698		1990
1699	$path	1991	$path
…		…
1713	$self->init; # pass $1 etc.	2005	$self->init; # pass $1 etc.
1714	return $self;	2006	return $self;
1715	}	2007	}
1716	}	2008	}
1717		2009
1718	Carp::cluck "unable to resolve path '$path' (base '$base').";	2010	Carp::cluck "unable to resolve path '$path' (base '$base')";
1719	()	2011	()
1720	}	2012	}
1721		2013
		2014	# may re-bless or do other evil things
1722	sub init {	2015	sub init {
1723	my ($self) = @_;	2016	my ($self) = @_;
1724		2017
1725	$self	2018	$self
1726	}	2019	}
…		…
1745		2038
1746	# the temporary/swap location	2039	# the temporary/swap location
1747	sub save_path {	2040	sub save_path {
1748	my ($self) = @_;	2041	my ($self) = @_;
1749		2042
1750	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2043	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1751	"$TMPDIR/$path.map"	2044	"$TMPDIR/$path.map"
1752	}	2045	}
1753		2046
1754	# the unique path, undef == no special unique path	2047	# the unique path, undef == no special unique path
1755	sub uniq_path {	2048	sub uniq_path {
1756	my ($self) = @_;	2049	my ($self) = @_;
1757		2050
1758	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2051	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1759	"$UNIQUEDIR/$path"	2052	"$UNIQUEDIR/$path"
1760	}
1761
1762	# and all this just because we cannot iterate over
1763	# all maps in C++...
1764	sub change_all_map_light {
1765	my ($change) = @_;
1766
1767	$_->change_map_light ($change)
1768	for grep $_->outdoor, values %cf::MAP;
1769	}	2053	}
1770		2054
1771	sub decay_objects {	2055	sub decay_objects {
1772	my ($self) = @_;	2056	my ($self) = @_;
1773		2057
…		…
1786		2070
1787	sub load_header_from($) {	2071	sub load_header_from($) {
1788	my ($self, $path) = @_;	2072	my ($self, $path) = @_;
1789		2073
1790	utf8::encode $path;	2074	utf8::encode $path;
1791	#aio_open $path, O_RDONLY, 0	2075	my $f = new_from_file cf::object::thawer $path
1792	# or return;
1793
1794	$self->_load_header ($path)
1795	or return;	2076	or return;
		2077
		2078	$self->_load_header ($f)
		2079	or return;
		2080
		2081	local $MAP_LOADING{$self->{path}} = $self;
		2082	$f->resolve_delayed_derefs;
1796		2083
1797	$self->{load_path} = $path;	2084	$self->{load_path} = $path;
1798		2085
1799	1	2086	1
1800	}	2087	}
…		…
1852		2139
1853	sub find;	2140	sub find;
1854	sub find {	2141	sub find {
1855	my ($path, $origin) = @_;	2142	my ($path, $origin) = @_;
1856		2143
		2144	cf::cede_to_tick;
		2145
1857	$path = normalise $path, $origin && $origin->path;	2146	$path = normalise $path, $origin;
1858		2147
		2148	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1859	cf::lock_wait "map_find:$path";	2149	my $guard2 = cf::lock_acquire "map_find:$path";
1860		2150
1861	$cf::MAP{$path} || do {	2151	$cf::MAP{$path} || do {
1862	my $guard = cf::lock_acquire "map_find:$path";
1863	my $map = new_from_path cf::map $path	2152	my $map = new_from_path cf::map $path
1864	or return;	2153	or return;
1865		2154
1866	$map->{last_save} = $cf::RUNTIME;	2155	$map->{last_save} = $cf::RUNTIME;
1867		2156
…		…
1869	or return;	2158	or return;
1870		2159
1871	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2160	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1872	# doing this can freeze the server in a sync job, obviously	2161	# doing this can freeze the server in a sync job, obviously
1873	#$cf::WAIT_FOR_TICK->wait;	2162	#$cf::WAIT_FOR_TICK->wait;
		2163	undef $guard2;
		2164	undef $guard1;
1874	$map->reset;	2165	$map->reset;
1875	undef $guard;
1876	return find $path;	2166	return find $path;
1877	}	2167	}
1878		2168
1879	$cf::MAP{$path} = $map	2169	$cf::MAP{$path} = $map
1880	}	2170	}
1881	}	2171	}
1882		2172
1883	sub pre_load { }	2173	sub pre_load { }
1884	sub post_load { }	2174	#sub post_load { } # XS
1885		2175
1886	sub load {	2176	sub load {
1887	my ($self) = @_;	2177	my ($self) = @_;
1888		2178
1889	local $self->{deny_reset} = 1; # loading can take a long time	2179	local $self->{deny_reset} = 1; # loading can take a long time
1890		2180
1891	my $path = $self->{path};	2181	my $path = $self->{path};
1892		2182
1893	{	2183	{
1894	my $guard = cf::lock_acquire "map_load:$path";	2184	my $guard = cf::lock_acquire "map_data:$path";
1895		2185
		2186	return unless $self->valid;
1896	return if $self->in_memory != cf::MAP_SWAPPED;	2187	return unless $self->in_memory == cf::MAP_SWAPPED;
1897		2188
1898	$self->in_memory (cf::MAP_LOADING);	2189	$self->in_memory (cf::MAP_LOADING);
1899		2190
1900	$self->alloc;	2191	$self->alloc;
1901		2192
1902	$self->pre_load;	2193	$self->pre_load;
1903	Coro::cede;	2194	cf::cede_to_tick;
1904		2195
1905	$self->_load_objects ($self->{load_path}, 1)	2196	if (exists $self->{load_path}) {
		2197	my $f = new_from_file cf::object::thawer $self->{load_path};
		2198	$f->skip_block;
		2199	$self->_load_objects ($f)
1906	or return;	2200	or return;
1907		2201
1908	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2202	$self->post_load_original
1909	if delete $self->{load_original};	2203	if delete $self->{load_original};
1910		2204
1911	if (my $uniq = $self->uniq_path) {	2205	if (my $uniq = $self->uniq_path) {
1912	utf8::encode $uniq;	2206	utf8::encode $uniq;
1913	if (aio_open $uniq, O_RDONLY, 0) {	2207	unless (aio_stat $uniq) {
		2208	if (my $f = new_from_file cf::object::thawer $uniq) {
1914	$self->clear_unique_items;	2209	$self->clear_unique_items;
1915	$self->_load_objects ($uniq, 0);	2210	$self->_load_objects ($f);
		2211	$f->resolve_delayed_derefs;
		2212	}
		2213	}
1916	}	2214	}
1917	}
1918		2215
1919	Coro::cede;	2216	$f->resolve_delayed_derefs;
		2217	}
		2218
		2219	cf::cede_to_tick;
1920	# now do the right thing for maps	2220	# now do the right thing for maps
1921	$self->link_multipart_objects;	2221	$self->link_multipart_objects;
1922	$self->difficulty ($self->estimate_difficulty)	2222	$self->difficulty ($self->estimate_difficulty)
1923	unless $self->difficulty;	2223	unless $self->difficulty;
1924	Coro::cede;	2224	cf::cede_to_tick;
1925		2225
1926	unless ($self->{deny_activate}) {	2226	unless ($self->{deny_activate}) {
1927	$self->decay_objects;	2227	$self->decay_objects;
1928	$self->fix_auto_apply;	2228	$self->fix_auto_apply;
1929	$self->update_buttons;	2229	$self->update_buttons;
1930	Coro::cede;	2230	cf::cede_to_tick;
1931	$self->set_darkness_map;
1932	Coro::cede;
1933	$self->activate;	2231	$self->activate;
1934	}	2232	}
1935		2233
1936	$self->{last_save} = $cf::RUNTIME;	2234	$self->{last_save} = $cf::RUNTIME;
1937	$self->last_access ($cf::RUNTIME);	2235	$self->last_access ($cf::RUNTIME);
1938		2236
1939	$self->in_memory (cf::MAP_IN_MEMORY);	2237	$self->in_memory (cf::MAP_ACTIVE);
1940	}	2238	}
1941		2239
1942	$self->post_load;	2240	$self->post_load;
1943	}
1944		2241
		2242	1
		2243	}
		2244
		2245	# customize the map for a given player, i.e.
		2246	# return the _real_ map. used by e.g. per-player
		2247	# maps to change the path to ~playername/mappath
1945	sub customise_for {	2248	sub customise_for {
1946	my ($self, $ob) = @_;	2249	my ($self, $ob) = @_;
1947		2250
1948	return find "~" . $ob->name . "/" . $self->{path}	2251	return find "~" . $ob->name . "/" . $self->{path}
1949	if $self->per_player;	2252	if $self->per_player;
…		…
1953		2256
1954	$self	2257	$self
1955	}	2258	}
1956		2259
1957	# find and load all maps in the 3x3 area around a map	2260	# find and load all maps in the 3x3 area around a map
1958	sub load_diag {	2261	sub load_neighbours {
1959	my ($map) = @_;	2262	my ($map) = @_;
1960		2263
1961	my @diag; # diagonal neighbours	2264	my @neigh; # diagonal neighbours
1962		2265
1963	for (0 .. 3) {	2266	for (0 .. 3) {
1964	my $neigh = $map->tile_path ($_)	2267	my $neigh = $map->tile_path ($_)
1965	or next;	2268	or next;
1966	$neigh = find $neigh, $map	2269	$neigh = find $neigh, $map
1967	or next;	2270	or next;
1968	$neigh->load;	2271	$neigh->load;
1969		2272
		2273	# now find the diagonal neighbours
		2274	push @neigh,
1970	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2275	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1971	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2276	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1972	}	2277	}
1973		2278
1974	for (@diag) {	2279	for (grep defined $_->[0], @neigh) {
		2280	my ($path, $origin) = @$_;
1975	my $neigh = find @$_	2281	my $neigh = find $path, $origin
1976	or next;	2282	or next;
1977	$neigh->load;	2283	$neigh->load;
1978	}	2284	}
1979	}	2285	}
1980		2286
1981	sub find_sync {	2287	sub find_sync {
1982	my ($path, $origin) = @_;	2288	my ($path, $origin) = @_;
1983		2289
1984	cf::sync_job { find $path, $origin }	2290	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2291	if $Coro::current == $Coro::main;
		2292
		2293	find $path, $origin
1985	}	2294	}
1986		2295
1987	sub do_load_sync {	2296	sub do_load_sync {
1988	my ($map) = @_;	2297	my ($map) = @_;
1989		2298
1990	cf::sync_job { $map->load };	2299	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2300	if $Coro::current == $Coro::main;
		2301
		2302	$map->load;
1991	}	2303	}
1992		2304
1993	our %MAP_PREFETCH;	2305	our %MAP_PREFETCH;
1994	our $MAP_PREFETCHER = undef;	2306	our $MAP_PREFETCHER = undef;
1995		2307
1996	sub find_async {	2308	sub find_async {
1997	my ($path, $origin) = @_;	2309	my ($path, $origin, $load) = @_;
1998		2310
1999	$path = normalise $path, $origin && $origin->{path};	2311	$path = normalise $path, $origin;
2000		2312
2001	if (my $map = $cf::MAP{$path}) {	2313	if (my $map = $cf::MAP{$path}) {
2002	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2314	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2003	}	2315	}
2004		2316
2005	undef $MAP_PREFETCH{$path};	2317	$MAP_PREFETCH{$path} |= $load;
		2318
2006	$MAP_PREFETCHER ||= cf::async {	2319	$MAP_PREFETCHER ||= cf::async {
		2320	$Coro::current->{desc} = "map prefetcher";
		2321
2007	while (%MAP_PREFETCH) {	2322	while (%MAP_PREFETCH) {
2008	for my $path (keys %MAP_PREFETCH) {	2323	while (my ($k, $v) = each %MAP_PREFETCH) {
2009	if (my $map = find $path) {	2324	if (my $map = find $k) {
2010	$map->load;	2325	$map->load if $v;
2011	}	2326	}
2012		2327
2013	delete $MAP_PREFETCH{$path};	2328	delete $MAP_PREFETCH{$k};
2014	}	2329	}
2015	}	2330	}
2016	undef $MAP_PREFETCHER;	2331	undef $MAP_PREFETCHER;
2017	};	2332	};
2018	$MAP_PREFETCHER->prio (6);	2333	$MAP_PREFETCHER->prio (6);
2019		2334
2020	()	2335	()
2021	}	2336	}
2022		2337
		2338	# common code, used by both ->save and ->swapout
2023	sub save {	2339	sub _save {
2024	my ($self) = @_;	2340	my ($self) = @_;
2025
2026	my $lock = cf::lock_acquire "map_data:" . $self->path;
2027		2341
2028	$self->{last_save} = $cf::RUNTIME;	2342	$self->{last_save} = $cf::RUNTIME;
2029		2343
2030	return unless $self->dirty;	2344	return unless $self->dirty;
2031		2345
…		…
2037	return if $self->{deny_save};	2351	return if $self->{deny_save};
2038		2352
2039	local $self->{last_access} = $self->last_access;#d#	2353	local $self->{last_access} = $self->last_access;#d#
2040		2354
2041	cf::async {	2355	cf::async {
		2356	$Coro::current->{desc} = "map player save";
2042	$_->contr->save for $self->players;	2357	$_->contr->save for $self->players;
2043	};	2358	};
		2359
		2360	cf::get_slot 0.02;
2044		2361
2045	if ($uniq) {	2362	if ($uniq) {
2046	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2363	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2047	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2364	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2048	} else {	2365	} else {
2049	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2366	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2050	}	2367	}
2051	}	2368	}
2052		2369
		2370	sub save {
		2371	my ($self) = @_;
		2372
		2373	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2374
		2375	$self->_save;
		2376	}
		2377
2053	sub swap_out {	2378	sub swap_out {
2054	my ($self) = @_;	2379	my ($self) = @_;
2055		2380
2056	# save first because save cedes
2057	$self->save;
2058
2059	my $lock = cf::lock_acquire "map_data:" . $self->path;	2381	my $lock = cf::lock_acquire "map_data:$self->{path}";
2060		2382
		2383	return if $self->in_memory != cf::MAP_ACTIVE;
		2384	return if $self->{deny_save};
2061	return if $self->players;	2385	return if $self->players;
2062	return if $self->in_memory != cf::MAP_IN_MEMORY;
2063	return if $self->{deny_save};
2064		2386
		2387	# first deactivate the map and "unlink" it from the core
		2388	$self->deactivate;
		2389	$_->clear_links_to ($self) for values %cf::MAP;
		2390	$self->in_memory (cf::MAP_SWAPPED);
		2391
		2392	# then atomically save
		2393	$self->_save;
		2394
		2395	# then free the map
2065	$self->clear;	2396	$self->clear;
2066	$self->in_memory (cf::MAP_SWAPPED);
2067	}	2397	}
2068		2398
2069	sub reset_at {	2399	sub reset_at {
2070	my ($self) = @_;	2400	my ($self) = @_;
2071		2401
…		…
2089		2419
2090	my $lock = cf::lock_acquire "map_data:$self->{path}";	2420	my $lock = cf::lock_acquire "map_data:$self->{path}";
2091		2421
2092	return if $self->players;	2422	return if $self->players;
2093		2423
2094	warn "resetting map ", $self->path;	2424	cf::trace "resetting map ", $self->path, "\n";
2095		2425
2096	$self->in_memory (cf::MAP_SWAPPED);	2426	$self->in_memory (cf::MAP_SWAPPED);
2097		2427
2098	# need to save uniques path	2428	# need to save uniques path
2099	unless ($self->{deny_save}) {	2429	unless ($self->{deny_save}) {
…		…
2103	if $uniq;	2433	if $uniq;
2104	}	2434	}
2105		2435
2106	delete $cf::MAP{$self->path};	2436	delete $cf::MAP{$self->path};
2107		2437
		2438	$self->deactivate;
		2439	$_->clear_links_to ($self) for values %cf::MAP;
2108	$self->clear;	2440	$self->clear;
2109
2110	$_->clear_links_to ($self) for values %cf::MAP;
2111		2441
2112	$self->unlink_save;	2442	$self->unlink_save;
2113	$self->destroy;	2443	$self->destroy;
2114	}	2444	}
2115		2445
2116	my $nuke_counter = "aaaa";	2446	my $nuke_counter = "aaaa";
2117		2447
2118	sub nuke {	2448	sub nuke {
2119	my ($self) = @_;	2449	my ($self) = @_;
2120		2450
		2451	{
		2452	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2453
2121	delete $cf::MAP{$self->path};	2454	delete $cf::MAP{$self->path};
2122		2455
2123	$self->unlink_save;	2456	$self->unlink_save;
2124		2457
2125	bless $self, "cf::map";	2458	bless $self, "cf::map::wrap";
2126	delete $self->{deny_reset};	2459	delete $self->{deny_reset};
2127	$self->{deny_save} = 1;	2460	$self->{deny_save} = 1;
2128	$self->reset_timeout (1);	2461	$self->reset_timeout (1);
2129	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2462	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2130		2463
2131	$cf::MAP{$self->path} = $self;	2464	$cf::MAP{$self->path} = $self;
		2465	}
2132		2466
2133	$self->reset; # polite request, might not happen	2467	$self->reset; # polite request, might not happen
2134	}	2468	}
2135		2469
2136	=item $maps = cf::map::tmp_maps	2470	=item $maps = cf::map::tmp_maps
…		…
2178		2512
2179	sub unique_maps() {	2513	sub unique_maps() {
2180	[	2514	[
2181	map {	2515	map {
2182	utf8::decode $_;	2516	utf8::decode $_;
2183	/\.map$/	2517	s/\.map$//; # TODO future compatibility hack
		2518	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2519	? ()
2184	? normalise $_	2520	: normalise $_
2185	: ()
2186	} @{ aio_readdir $UNIQUEDIR or [] }	2521	} @{ aio_readdir $UNIQUEDIR or [] }
2187	]	2522	]
2188	}	2523	}
2189		2524
2190	package cf;	2525	=item cf::map::static_maps
		2526
		2527	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2528	file in the shared directory excluding F</styles> and F</editor>). May
		2529	block.
		2530
		2531	=cut
		2532
		2533	sub static_maps() {
		2534	my @dirs = "";
		2535	my @maps;
		2536
		2537	while (@dirs) {
		2538	my $dir = shift @dirs;
		2539
		2540	next if $dir eq "/styles" || $dir eq "/editor";
		2541
		2542	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2543	or return;
		2544
		2545	for (@$files) {
		2546	s/\.map$// or next;
		2547	utf8::decode $_;
		2548	push @maps, "$dir/$_";
		2549	}
		2550
		2551	push @dirs, map "$dir/$_", @$dirs;
		2552	}
		2553
		2554	\@maps
		2555	}
2191		2556
2192	=back	2557	=back
2193		2558
2194	=head3 cf::object	2559	=head3 cf::object
2195		2560
…		…
2199		2564
2200	=over 4	2565	=over 4
2201		2566
2202	=item $ob->inv_recursive	2567	=item $ob->inv_recursive
2203		2568
2204	Returns the inventory of the object _and_ their inventories, recursively.	2569	Returns the inventory of the object I<and> their inventories, recursively,
		2570	but I<not> the object itself.
2205		2571
2206	=cut	2572	=cut
2207		2573
2208	sub inv_recursive_;	2574	sub inv_recursive_;
2209	sub inv_recursive_ {	2575	sub inv_recursive_ {
…		…
2212		2578
2213	sub inv_recursive {	2579	sub inv_recursive {
2214	inv_recursive_ inv $_[0]	2580	inv_recursive_ inv $_[0]
2215	}	2581	}
2216		2582
		2583	=item $ref = $ob->ref
		2584
		2585	Creates and returns a persistent reference to an object that can be stored as a string.
		2586
		2587	=item $ob = cf::object::deref ($refstring)
		2588
		2589	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2590	even if the object actually exists. May block.
		2591
		2592	=cut
		2593
		2594	sub deref {
		2595	my ($ref) = @_;
		2596
		2597	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2598	my ($uuid, $name) = ($1, $2);
		2599	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2600	or return;
		2601	$pl->ob->uuid eq $uuid
		2602	or return;
		2603
		2604	$pl->ob
		2605	} else {
		2606	warn "$ref: cannot resolve object reference\n";
		2607	undef
		2608	}
		2609	}
		2610
2217	package cf;	2611	package cf;
2218		2612
2219	=back	2613	=back
2220		2614
2221	=head3 cf::object::player	2615	=head3 cf::object::player
…		…
2227	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2621	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2228	can be C<undef>. Does the right thing when the player is currently in a	2622	can be C<undef>. Does the right thing when the player is currently in a
2229	dialogue with the given NPC character.	2623	dialogue with the given NPC character.
2230		2624
2231	=cut	2625	=cut
		2626
		2627	our $SAY_CHANNEL = {
		2628	id => "say",
		2629	title => "Map",
		2630	reply => "say ",
		2631	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2632	};
		2633
		2634	our $CHAT_CHANNEL = {
		2635	id => "chat",
		2636	title => "Chat",
		2637	reply => "chat ",
		2638	tooltip => "Player chat and shouts, global to the server.",
		2639	};
2232		2640
2233	# rough implementation of a future "reply" method that works	2641	# rough implementation of a future "reply" method that works
2234	# with dialog boxes.	2642	# with dialog boxes.
2235	#TODO: the first argument must go, split into a $npc->reply_to ( method	2643	#TODO: the first argument must go, split into a $npc->reply_to ( method
2236	sub cf::object::player::reply($$$;$) {	2644	sub cf::object::player::reply($$$;$) {
…		…
2248	my $dialog = $pl->{npc_dialog};	2656	my $dialog = $pl->{npc_dialog};
2249	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2657	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2250		2658
2251	} else {	2659	} else {
2252	$msg = $npc->name . " says: $msg" if $npc;	2660	$msg = $npc->name . " says: $msg" if $npc;
2253	$self->message ($msg, $flags);	2661	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2254	}	2662	}
2255	}	2663	}
2256	}	2664	}
2257		2665
2258	=item $object->send_msg ($channel, $msg, $color, [extra...])	2666	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2283		2691
2284	=item $player_object->enter_link	2692	=item $player_object->enter_link
2285		2693
2286	Freezes the player and moves him/her to a special map (C<{link}>).	2694	Freezes the player and moves him/her to a special map (C<{link}>).
2287		2695
2288	The player should be reasonably safe there for short amounts of time. You	2696	The player should be reasonably safe there for short amounts of time (e.g.
2289	I<MUST> call C<leave_link> as soon as possible, though.	2697	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2698	though, as the player cannot control the character while it is on the link
		2699	map.
2290		2700
2291	Will never block.	2701	Will never block.
2292		2702
2293	=item $player_object->leave_link ($map, $x, $y)	2703	=item $player_object->leave_link ($map, $x, $y)
2294		2704
…		…
2314	sub cf::object::player::enter_link {	2724	sub cf::object::player::enter_link {
2315	my ($self) = @_;	2725	my ($self) = @_;
2316		2726
2317	$self->deactivate_recursive;	2727	$self->deactivate_recursive;
2318		2728
		2729	++$self->{_link_recursion};
		2730
2319	return if UNIVERSAL::isa $self->map, "ext::map_link";	2731	return if UNIVERSAL::isa $self->map, "ext::map_link";
2320		2732
2321	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2733	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2322	if $self->map && $self->map->{path} ne "{link}";	2734	if $self->map && $self->map->{path} ne "{link}";
2323		2735
2324	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2736	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2325	}	2737	}
2326		2738
2327	sub cf::object::player::leave_link {	2739	sub cf::object::player::leave_link {
2328	my ($self, $map, $x, $y) = @_;	2740	my ($self, $map, $x, $y) = @_;
2329		2741
…		…
2346	($x, $y) = (-1, -1)	2758	($x, $y) = (-1, -1)
2347	unless (defined $x) && (defined $y);	2759	unless (defined $x) && (defined $y);
2348		2760
2349	# use -1 or undef as default coordinates, not 0, 0	2761	# use -1 or undef as default coordinates, not 0, 0
2350	($x, $y) = ($map->enter_x, $map->enter_y)	2762	($x, $y) = ($map->enter_x, $map->enter_y)
2351	if $x <=0 && $y <= 0;	2763	if $x <= 0 && $y <= 0;
2352		2764
2353	$map->load;	2765	$map->load;
2354	$map->load_diag;	2766	$map->load_neighbours;
2355		2767
2356	return unless $self->contr->active;	2768	return unless $self->contr->active;
2357	$self->activate_recursive;
2358		2769
2359	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2770	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2360	$self->enter_map ($map, $x, $y);	2771	if ($self->enter_map ($map, $x, $y)) {
2361	}	2772	# entering was successful
		2773	delete $self->{_link_recursion};
		2774	# only activate afterwards, to support waiting in hooks
		2775	$self->activate_recursive;
		2776	}
2362		2777
		2778	}
		2779
2363	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2780	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2364		2781
2365	Moves the player to the given map-path and coordinates by first freezing	2782	Moves the player to the given map-path and coordinates by first freezing
2366	her, loading and preparing them map, calling the provided $check callback	2783	her, loading and preparing them map, calling the provided $check callback
2367	that has to return the map if sucecssful, and then unfreezes the player on	2784	that has to return the map if sucecssful, and then unfreezes the player on
2368	the new (success) or old (failed) map position. In either case, $done will	2785	the new (success) or old (failed) map position. In either case, $done will
2369	be called at the end of this process.	2786	be called at the end of this process.
2370		2787
		2788	Note that $check will be called with a potentially non-loaded map, so if
		2789	it needs a loaded map it has to call C<< ->load >>.
		2790
2371	=cut	2791	=cut
2372		2792
2373	our $GOTOGEN;	2793	our $GOTOGEN;
2374		2794
2375	sub cf::object::player::goto {	2795	sub cf::object::player::goto {
2376	my ($self, $path, $x, $y, $check, $done) = @_;	2796	my ($self, $path, $x, $y, $check, $done) = @_;
2377		2797
		2798	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2799	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2800	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2801	($path, $x, $y) = @$EMERGENCY_POSITION;
		2802	}
		2803
2378	# do generation counting so two concurrent goto's will be executed in-order	2804	# do generation counting so two concurrent goto's will be executed in-order
2379	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2805	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2380		2806
2381	$self->enter_link;	2807	$self->enter_link;
2382		2808
2383	(async {	2809	(async {
		2810	$Coro::current->{desc} = "player::goto $path $x $y";
		2811
		2812	# *tag paths override both path and x|y
		2813	if ($path =~ /^\*(.*)$/) {
		2814	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2815	my $ob = $obs[rand @obs];
		2816
		2817	# see if we actually can go there
		2818	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2819	$ob = $obs[rand @obs];
		2820	} else {
		2821	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2822	}
		2823	# else put us there anyways for now #d#
		2824
		2825	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2826	} else {
		2827	($path, $x, $y) = (undef, undef, undef);
		2828	}
		2829	}
		2830
2384	my $map = eval {	2831	my $map = eval {
2385	my $map = cf::map::find $path;	2832	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2386		2833
2387	if ($map) {	2834	if ($map) {
2388	$map = $map->customise_for ($self);	2835	$map = $map->customise_for ($self);
2389	$map = $check->($map) if $check && $map;	2836	$map = $check->($map, $x, $y, $self) if $check && $map;
2390	} else {	2837	} else {
2391	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2838	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2392	}	2839	}
2393		2840
2394	$map	2841	$map
2395	};	2842	};
2396		2843
…		…
2402	if ($gen == $self->{_goto_generation}) {	2849	if ($gen == $self->{_goto_generation}) {
2403	delete $self->{_goto_generation};	2850	delete $self->{_goto_generation};
2404	$self->leave_link ($map, $x, $y);	2851	$self->leave_link ($map, $x, $y);
2405	}	2852	}
2406		2853
2407	$done->() if $done;	2854	$done->($self) if $done;
2408	})->prio (1);	2855	})->prio (1);
2409	}	2856	}
2410		2857
2411	=item $player_object->enter_exit ($exit_object)	2858	=item $player_object->enter_exit ($exit_object)
2412		2859
…		…
2432	}	2879	}
2433		2880
2434	sub prepare_random_map {	2881	sub prepare_random_map {
2435	my ($exit) = @_;	2882	my ($exit) = @_;
2436		2883
2437	my $guard = cf::lock_acquire "exit_prepare:$exit";
2438
2439	# all this does is basically replace the /! path by	2884	# all this does is basically replace the /! path by
2440	# a new random map path (?random/...) with a seed	2885	# a new random map path (?random/...) with a seed
2441	# that depends on the exit object	2886	# that depends on the exit object
2442		2887
2443	my $rmp = parse_random_map_params $exit->msg;	2888	my $rmp = parse_random_map_params $exit->msg;
…		…
2445	if ($exit->map) {	2890	if ($exit->map) {
2446	$rmp->{region} = $exit->region->name;	2891	$rmp->{region} = $exit->region->name;
2447	$rmp->{origin_map} = $exit->map->path;	2892	$rmp->{origin_map} = $exit->map->path;
2448	$rmp->{origin_x} = $exit->x;	2893	$rmp->{origin_x} = $exit->x;
2449	$rmp->{origin_y} = $exit->y;	2894	$rmp->{origin_y} = $exit->y;
		2895
		2896	$exit->map->touch;
2450	}	2897	}
2451		2898
2452	$rmp->{random_seed} ||= $exit->random_seed;	2899	$rmp->{random_seed} ||= $exit->random_seed;
2453		2900
2454	my $data = cf::to_json $rmp;	2901	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2455	my $md5 = Digest::MD5::md5_hex $data;	2902	my $md5 = Digest::MD5::md5_hex $data;
2456	my $meta = "$RANDOMDIR/$md5.meta";	2903	my $meta = "$RANDOMDIR/$md5.meta";
2457		2904
2458	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2905	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2459	aio_write $fh, 0, (length $data), $data, 0;	2906	aio_write $fh, 0, (length $data), $data, 0;
2460	undef $fh;	2907	undef $fh;
2461	aio_rename "$meta~", $meta;	2908	aio_rename "$meta~", $meta;
2462		2909
		2910	my $slaying = "?random/$md5";
		2911
		2912	if ($exit->valid) {
2463	$exit->slaying ("?random/$md5");	2913	$exit->slaying ("?random/$md5");
2464	$exit->msg (undef);	2914	$exit->msg (undef);
		2915	}
2465	}	2916	}
2466	}	2917	}
2467		2918
2468	sub cf::object::player::enter_exit {	2919	sub cf::object::player::enter_exit {
2469	my ($self, $exit) = @_;	2920	my ($self, $exit) = @_;
2470		2921
2471	return unless $self->type == cf::PLAYER;	2922	return unless $self->type == cf::PLAYER;
2472		2923
2473	if ($exit->slaying eq "/!") {
2474	#TODO: this should de-fi-ni-te-ly not be a sync-job
2475	# the problem is that $exit might not survive long enough
2476	# so it needs to be done right now, right here
2477	cf::sync_job { prepare_random_map $exit };
2478	}
2479
2480	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2481	my $hp = $exit->stats->hp;
2482	my $sp = $exit->stats->sp;
2483
2484	$self->enter_link;	2924	$self->enter_link;
2485		2925
2486	# if exit is damned, update players death & WoR home-position
2487	$self->contr->savebed ($slaying, $hp, $sp)
2488	if $exit->flag (FLAG_DAMNED);
2489
2490	(async {	2926	(async {
2491	$self->deactivate_recursive; # just to be sure	2927	$Coro::current->{desc} = "enter_exit";
		2928
2492	unless (eval {	2929	unless (eval {
		2930	$self->deactivate_recursive; # just to be sure
		2931
		2932	# random map handling
		2933	{
		2934	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2935
		2936	prepare_random_map $exit
		2937	if $exit->slaying eq "/!";
		2938	}
		2939
		2940	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2941	my $x = $exit->stats->hp;
		2942	my $y = $exit->stats->sp;
		2943
2493	$self->goto ($slaying, $hp, $sp);	2944	$self->goto ($map, $x, $y);
2494		2945
		2946	# if exit is damned, update players death & WoR home-position
		2947	$self->contr->savebed ($map, $x, $y)
		2948	if $exit->flag (cf::FLAG_DAMNED);
		2949
2495	1;	2950	1
2496	}) {	2951	}) {
2497	$self->message ("Something went wrong deep within the crossfire server. "	2952	$self->message ("Something went wrong deep within the deliantra server. "
2498	. "I'll try to bring you back to the map you were before. "	2953	. "I'll try to bring you back to the map you were before. "
2499	. "Please report this to the dungeon master!",	2954	. "Please report this to the dungeon master!",
2500	cf::NDI_UNIQUE | cf::NDI_RED);	2955	cf::NDI_UNIQUE | cf::NDI_RED);
2501		2956
2502	warn "ERROR in enter_exit: $@";	2957	error "ERROR in enter_exit: $@";
2503	$self->leave_link;	2958	$self->leave_link;
2504	}	2959	}
2505	})->prio (1);	2960	})->prio (1);
2506	}	2961	}
2507		2962
…		…
2519	sub cf::client::send_drawinfo {	2974	sub cf::client::send_drawinfo {
2520	my ($self, $text, $flags) = @_;	2975	my ($self, $text, $flags) = @_;
2521		2976
2522	utf8::encode $text;	2977	utf8::encode $text;
2523	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2978	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2979	}
		2980
		2981	=item $client->send_big_packet ($pkt)
		2982
		2983	Like C<send_packet>, but tries to compress large packets, and fragments
		2984	them as required.
		2985
		2986	=cut
		2987
		2988	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2989
		2990	sub cf::client::send_big_packet {
		2991	my ($self, $pkt) = @_;
		2992
		2993	# try lzf for large packets
		2994	$pkt = "lzf " . Compress::LZF::compress $pkt
		2995	if 1024 <= length $pkt and $self->{can_lzf};
		2996
		2997	# split very large packets
		2998	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2999	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3000	$pkt = "frag";
		3001	}
		3002
		3003	$self->send_packet ($pkt);
2524	}	3004	}
2525		3005
2526	=item $client->send_msg ($channel, $msg, $color, [extra...])	3006	=item $client->send_msg ($channel, $msg, $color, [extra...])
2527		3007
2528	Send a drawinfo or msg packet to the client, formatting the msg for the	3008	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2530	the message, with C<log> being the default. If C<$color> is negative, suppress	3010	the message, with C<log> being the default. If C<$color> is negative, suppress
2531	the message unless the client supports the msg packet.	3011	the message unless the client supports the msg packet.
2532		3012
2533	=cut	3013	=cut
2534		3014
		3015	# non-persistent channels (usually the info channel)
		3016	our %CHANNEL = (
		3017	"c/motd" => {
		3018	id => "infobox",
		3019	title => "MOTD",
		3020	reply => undef,
		3021	tooltip => "The message of the day",
		3022	},
		3023	"c/identify" => {
		3024	id => "infobox",
		3025	title => "Identify",
		3026	reply => undef,
		3027	tooltip => "Items recently identified",
		3028	},
		3029	"c/examine" => {
		3030	id => "infobox",
		3031	title => "Examine",
		3032	reply => undef,
		3033	tooltip => "Signs and other items you examined",
		3034	},
		3035	"c/shopinfo" => {
		3036	id => "infobox",
		3037	title => "Shop Info",
		3038	reply => undef,
		3039	tooltip => "What your bargaining skill tells you about the shop",
		3040	},
		3041	"c/book" => {
		3042	id => "infobox",
		3043	title => "Book",
		3044	reply => undef,
		3045	tooltip => "The contents of a note or book",
		3046	},
		3047	"c/lookat" => {
		3048	id => "infobox",
		3049	title => "Look",
		3050	reply => undef,
		3051	tooltip => "What you saw there",
		3052	},
		3053	"c/who" => {
		3054	id => "infobox",
		3055	title => "Players",
		3056	reply => undef,
		3057	tooltip => "Shows players who are currently online",
		3058	},
		3059	"c/body" => {
		3060	id => "infobox",
		3061	title => "Body Parts",
		3062	reply => undef,
		3063	tooltip => "Shows which body parts you posess and are available",
		3064	},
		3065	"c/statistics" => {
		3066	id => "infobox",
		3067	title => "Statistics",
		3068	reply => undef,
		3069	tooltip => "Shows your primary statistics",
		3070	},
		3071	"c/skills" => {
		3072	id => "infobox",
		3073	title => "Skills",
		3074	reply => undef,
		3075	tooltip => "Shows your experience per skill and item power",
		3076	},
		3077	"c/shopitems" => {
		3078	id => "infobox",
		3079	title => "Shop Items",
		3080	reply => undef,
		3081	tooltip => "Shows the items currently for sale in this shop",
		3082	},
		3083	"c/resistances" => {
		3084	id => "infobox",
		3085	title => "Resistances",
		3086	reply => undef,
		3087	tooltip => "Shows your resistances",
		3088	},
		3089	"c/pets" => {
		3090	id => "infobox",
		3091	title => "Pets",
		3092	reply => undef,
		3093	tooltip => "Shows information abotu your pets/a specific pet",
		3094	},
		3095	"c/perceiveself" => {
		3096	id => "infobox",
		3097	title => "Perceive Self",
		3098	reply => undef,
		3099	tooltip => "You gained detailed knowledge about yourself",
		3100	},
		3101	"c/uptime" => {
		3102	id => "infobox",
		3103	title => "Uptime",
		3104	reply => undef,
		3105	tooltip => "How long the server has been running since last restart",
		3106	},
		3107	"c/mapinfo" => {
		3108	id => "infobox",
		3109	title => "Map Info",
		3110	reply => undef,
		3111	tooltip => "Information related to the maps",
		3112	},
		3113	"c/party" => {
		3114	id => "party",
		3115	title => "Party",
		3116	reply => "gsay ",
		3117	tooltip => "Messages and chat related to your party",
		3118	},
		3119	"c/death" => {
		3120	id => "death",
		3121	title => "Death",
		3122	reply => undef,
		3123	tooltip => "Reason for and more info about your most recent death",
		3124	},
		3125	"c/say" => $SAY_CHANNEL,
		3126	"c/chat" => $CHAT_CHANNEL,
		3127	);
		3128
2535	sub cf::client::send_msg {	3129	sub cf::client::send_msg {
2536	my ($self, $channel, $msg, $color, @extra) = @_;	3130	my ($self, $channel, $msg, $color, @extra) = @_;
2537		3131
2538	$msg = $self->pl->expand_cfpod ($msg);	3132	$msg = $self->pl->expand_cfpod ($msg)
		3133	unless $color & cf::NDI_VERBATIM;
2539		3134
2540	$color &= cf::NDI_CLIENT_MASK; # just in case...	3135	$color &= cf::NDI_CLIENT_MASK; # just in case...
2541		3136
		3137	# check predefined channels, for the benefit of C
		3138	if ($CHANNEL{$channel}) {
		3139	$channel = $CHANNEL{$channel};
		3140
		3141	$self->ext_msg (channel_info => $channel);
		3142	$channel = $channel->{id};
		3143
2542	if (ref $channel) {	3144	} elsif (ref $channel) {
2543	# send meta info to client, if not yet sent	3145	# send meta info to client, if not yet sent
2544	unless (exists $self->{channel}{$channel->{id}}) {	3146	unless (exists $self->{channel}{$channel->{id}}) {
2545	$self->{channel}{$channel->{id}} = $channel;	3147	$self->{channel}{$channel->{id}} = $channel;
2546	$self->ext_msg (channel_info => $channel);	3148	$self->ext_msg (channel_info => $channel);
2547	}	3149	}
…		…
2549	$channel = $channel->{id};	3151	$channel = $channel->{id};
2550	}	3152	}
2551		3153
2552	return unless @extra || length $msg;	3154	return unless @extra || length $msg;
2553		3155
2554	if ($self->can_msg) {
2555	# default colour, mask it out	3156	# default colour, mask it out
2556	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3157	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2557	if $color & cf::NDI_DEF;	3158	if $color & cf::NDI_DEF;
2558		3159
2559	$self->send_packet ("msg " . $self->{json_coder}->encode (	3160	my $pkt = "msg "
		3161	. $self->{json_coder}->encode (
2560	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3162	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2561	} else {	3163	);
2562	if ($color >= 0) {
2563	# replace some tags by gcfclient-compatible ones
2564	for ($msg) {
2565	1 while
2566	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2567	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2568	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2569	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2570	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2571	}
2572		3164
2573	$color &= cf::NDI_COLOR_MASK;	3165	$self->send_big_packet ($pkt);
2574
2575	utf8::encode $msg;
2576
2577	if (0 && $msg =~ /\[/) {
2578	$self->send_packet ("drawextinfo $color 4 0 $msg")
2579	} else {
2580	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2581	$self->send_packet ("drawinfo $color $msg")
2582	}
2583	}
2584	}
2585	}	3166	}
2586		3167
2587	=item $client->ext_msg ($type, @msg)	3168	=item $client->ext_msg ($type, @msg)
2588		3169
2589	Sends an ext event to the client.	3170	Sends an ext event to the client.
…		…
2591	=cut	3172	=cut
2592		3173
2593	sub cf::client::ext_msg($$@) {	3174	sub cf::client::ext_msg($$@) {
2594	my ($self, $type, @msg) = @_;	3175	my ($self, $type, @msg) = @_;
2595		3176
2596	my $extcmd = $self->extcmd;
2597
2598	if ($extcmd == 2) {	3177	if ($self->extcmd == 2) {
2599	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3178	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2600	} elsif ($extcmd == 1) { # TODO: remove	3179	} elsif ($self->extcmd == 1) { # TODO: remove
2601	push @msg, msgtype => "event_$type";	3180	push @msg, msgtype => "event_$type";
2602	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3181	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3182	}
		3183	}
		3184
		3185	=item $client->ext_reply ($msgid, @msg)
		3186
		3187	Sends an ext reply to the client.
		3188
		3189	=cut
		3190
		3191	sub cf::client::ext_reply($$@) {
		3192	my ($self, $id, @msg) = @_;
		3193
		3194	if ($self->extcmd == 2) {
		3195	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3196	} elsif ($self->extcmd == 1) {
		3197	#TODO: version 1, remove
		3198	unshift @msg, msgtype => "reply", msgid => $id;
		3199	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2603	}	3200	}
2604	}	3201	}
2605		3202
2606	=item $success = $client->query ($flags, "text", \&cb)	3203	=item $success = $client->query ($flags, "text", \&cb)
2607		3204
…		…
2668	my ($type, $reply, @payload) =	3265	my ($type, $reply, @payload) =
2669	"ARRAY" eq ref $msg	3266	"ARRAY" eq ref $msg
2670	? @$msg	3267	? @$msg
2671	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	3268	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2672		3269
		3270	my @reply;
		3271
2673	if (my $cb = $EXTICMD{$type}) {	3272	if (my $cb = $EXTICMD{$type}) {
2674	my @reply = $cb->($ns, @payload);	3273	@reply = $cb->($ns, @payload);
2675
2676	$ns->ext_reply ($reply, @reply)
2677	if $reply;
2678	}	3274	}
		3275
		3276	$ns->ext_reply ($reply, @reply)
		3277	if $reply;
		3278
2679	} else {	3279	} else {
2680	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3280	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2681	}	3281	}
2682		3282
2683	cf::override;	3283	cf::override;
2684	},	3284	},
2685	);	3285	);
…		…
2705		3305
2706	$coro	3306	$coro
2707	}	3307	}
2708		3308
2709	cf::client->attach (	3309	cf::client->attach (
2710	on_destroy => sub {	3310	on_client_destroy => sub {
2711	my ($ns) = @_;	3311	my ($ns) = @_;
2712		3312
2713	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3313	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2714	},	3314	},
2715	);	3315	);
…		…
2731	our $safe_hole = new Safe::Hole;	3331	our $safe_hole = new Safe::Hole;
2732		3332
2733	$SIG{FPE} = 'IGNORE';	3333	$SIG{FPE} = 'IGNORE';
2734		3334
2735	$safe->permit_only (Opcode::opset qw(	3335	$safe->permit_only (Opcode::opset qw(
2736	:base_core :base_mem :base_orig :base_math	3336	:base_core :base_mem :base_orig :base_math :base_loop
2737	grepstart grepwhile mapstart mapwhile	3337	grepstart grepwhile mapstart mapwhile
2738	sort time	3338	sort time
2739	));	3339	));
2740		3340
2741	# here we export the classes and methods available to script code	3341	# here we export the classes and methods available to script code
…		…
2743	=pod	3343	=pod
2744		3344
2745	The following functions and methods are available within a safe environment:	3345	The following functions and methods are available within a safe environment:
2746		3346
2747	cf::object	3347	cf::object
2748	contr pay_amount pay_player map x y force_find force_add	3348	contr pay_amount pay_player map x y force_find force_add destroy
2749	insert remove name archname title slaying race	3349	insert remove name archname title slaying race decrease split
		3350	value
2750		3351
2751	cf::object::player	3352	cf::object::player
2752	player	3353	player
2753		3354
2754	cf::player	3355	cf::player
…		…
2759		3360
2760	=cut	3361	=cut
2761		3362
2762	for (	3363	for (
2763	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3364	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2764	insert remove inv name archname title slaying race)],	3365	insert remove inv nrof name archname title slaying race
		3366	decrease split destroy change_exp value msg lore send_msg)],
2765	["cf::object::player" => qw(player)],	3367	["cf::object::player" => qw(player)],
2766	["cf::player" => qw(peaceful)],	3368	["cf::player" => qw(peaceful send_msg)],
2767	["cf::map" => qw(trigger)],	3369	["cf::map" => qw(trigger)],
2768	) {	3370	) {
2769	no strict 'refs';
2770	my ($pkg, @funs) = @$_;	3371	my ($pkg, @funs) = @$_;
2771	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3372	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2772	for @funs;	3373	for @funs;
2773	}	3374	}
2774		3375
…		…
2789		3390
2790	my $qcode = $code;	3391	my $qcode = $code;
2791	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3392	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2792	$qcode =~ s/\n/\\n/g;	3393	$qcode =~ s/\n/\\n/g;
2793		3394
		3395	%vars = (_dummy => 0) unless %vars;
		3396
		3397	my @res;
2794	local $_;	3398	local $_;
2795	local @safe::cf::_safe_eval_args = values %vars;
2796		3399
2797	my $eval =	3400	my $eval =
2798	"do {\n"	3401	"do {\n"
2799	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3402	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2800	. "#line 0 \"{$qcode}\"\n"	3403	. "#line 0 \"{$qcode}\"\n"
2801	. $code	3404	. $code
2802	. "\n}"	3405	. "\n}"
2803	;	3406	;
2804		3407
		3408	if ($CFG{safe_eval}) {
2805	sub_generation_inc;	3409	sub_generation_inc;
		3410	local @safe::cf::_safe_eval_args = values %vars;
2806	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3411	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2807	sub_generation_inc;	3412	sub_generation_inc;
		3413	} else {
		3414	local @cf::_safe_eval_args = values %vars;
		3415	@res = wantarray ? eval eval : scalar eval $eval;
		3416	}
2808		3417
2809	if ($@) {	3418	if ($@) {
2810	warn "$@";	3419	warn "$@",
2811	warn "while executing safe code '$code'\n";	3420	"while executing safe code '$code'\n",
2812	warn "with arguments " . (join " ", %vars) . "\n";	3421	"with arguments " . (join " ", %vars) . "\n";
2813	}	3422	}
2814		3423
2815	wantarray ? @res : $res[0]	3424	wantarray ? @res : $res[0]
2816	}	3425	}
2817		3426
…		…
2831	=cut	3440	=cut
2832		3441
2833	sub register_script_function {	3442	sub register_script_function {
2834	my ($fun, $cb) = @_;	3443	my ($fun, $cb) = @_;
2835		3444
2836	no strict 'refs';	3445	$fun = "safe::$fun" if $CFG{safe_eval};
2837	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3446	*$fun = $safe_hole->wrap ($cb);
2838	}	3447	}
2839		3448
2840	=back	3449	=back
2841		3450
2842	=cut	3451	=cut
…		…
2845	# the server's init and main functions	3454	# the server's init and main functions
2846		3455
2847	sub load_facedata($) {	3456	sub load_facedata($) {
2848	my ($path) = @_;	3457	my ($path) = @_;
2849		3458
		3459	# HACK to clear player env face cache, we need some signal framework
		3460	# for this (global event?)
		3461	%ext::player_env::MUSIC_FACE_CACHE = ();
		3462
		3463	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3464
2850	warn "loading facedata from $path\n";	3465	trace "loading facedata from $path\n";
2851		3466
2852	my $facedata;	3467	my $facedata = decode_storable load_file $path;
2853	0 < aio_load $path, $facedata
2854	or die "$path: $!";
2855
2856	$facedata = Coro::Storable::thaw $facedata;
2857		3468
2858	$facedata->{version} == 2	3469	$facedata->{version} == 2
2859	or cf::cleanup "$path: version mismatch, cannot proceed.";	3470	or cf::cleanup "$path: version mismatch, cannot proceed.";
2860		3471
		3472	# patch in the exptable
		3473	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3474	$facedata->{resource}{"res/exp_table"} = {
		3475	type => FT_RSRC,
		3476	data => $exp_table,
		3477	hash => (Digest::MD5::md5 $exp_table),
		3478	};
		3479	cf::cede_to_tick;
		3480
2861	{	3481	{
2862	my $faces = $facedata->{faceinfo};	3482	my $faces = $facedata->{faceinfo};
2863		3483
2864	while (my ($face, $info) = each %$faces) {	3484	while (my ($face, $info) = each %$faces) {
2865	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3485	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3486
2866	cf::face::set_visibility $idx, $info->{visibility};	3487	cf::face::set_visibility $idx, $info->{visibility};
2867	cf::face::set_magicmap $idx, $info->{magicmap};	3488	cf::face::set_magicmap $idx, $info->{magicmap};
2868	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3489	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2869	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3490	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3491	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2870		3492
2871	cf::cede_to_tick;	3493	cf::cede_to_tick;
2872	}	3494	}
2873		3495
2874	while (my ($face, $info) = each %$faces) {	3496	while (my ($face, $info) = each %$faces) {
2875	next unless $info->{smooth};	3497	next unless $info->{smooth};
		3498
2876	my $idx = cf::face::find $face	3499	my $idx = cf::face::find $face
2877	or next;	3500	or next;
		3501
2878	if (my $smooth = cf::face::find $info->{smooth}) {	3502	if (my $smooth = cf::face::find $info->{smooth}) {
2879	cf::face::set_smooth $idx, $smooth;	3503	cf::face::set_smooth $idx, $smooth;
2880	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3504	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2881	} else {	3505	} else {
2882	warn "smooth face '$info->{smooth}' not found for face '$face'";	3506	error "smooth face '$info->{smooth}' not found for face '$face'";
2883	}	3507	}
2884		3508
2885	cf::cede_to_tick;	3509	cf::cede_to_tick;
2886	}	3510	}
2887	}	3511	}
…		…
2896		3520
2897	cf::anim::invalidate_all; # d'oh	3521	cf::anim::invalidate_all; # d'oh
2898	}	3522	}
2899		3523
2900	{	3524	{
2901	# TODO: for gcfclient pleasure, we should give resources
2902	# that gcfclient doesn't grok a >10000 face index.
2903	my $res = $facedata->{resource};	3525	my $res = $facedata->{resource};
2904	my $enc = JSON::XS->new->utf8->canonical;
2905
2906	my $soundconf = delete $res->{"res/sound.conf"};
2907		3526
2908	while (my ($name, $info) = each %$res) {	3527	while (my ($name, $info) = each %$res) {
2909	my $meta = $enc->encode ({	3528	if (defined $info->{type}) {
2910	name => $name,
2911	%{ $info->{meta} || {} },
2912	});
2913
2914	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3529	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2915		3530
2916	if ($info->{type} & 1) {
2917	# prepend meta info
2918
2919	my $data = pack "(w/a*)*", $meta, $info->{data};
2920	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2921
2922	cf::face::set_data $idx, 0, $data, $chk;	3531	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3532	cf::face::set_type $idx, $info->{type};
2923	} else {	3533	} else {
2924	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};	3534	$RESOURCE{$name} = $info; # unused
2925	}	3535	}
2926		3536
2927	cf::face::set_type $idx, $info->{type};
2928
2929	cf::cede_to_tick;	3537	cf::cede_to_tick;
2930	}	3538	}
2931
2932	if ($soundconf) {
2933	$soundconf = $enc->decode (delete $soundconf->{data});
2934
2935	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2936	my $sound = $soundconf->{compat}[$_]
2937	or next;
2938
2939	my $face = cf::face::find "sound/$sound->[1]";
2940	cf::sound::set $sound->[0] => $face;
2941	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2942	}
2943
2944	while (my ($k, $v) = each %{$soundconf->{event}}) {
2945	my $face = cf::face::find "sound/$v";
2946	cf::sound::set $k => $face;
2947	}
2948	}
2949	}	3539	}
		3540
		3541	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2950		3542
2951	1	3543	1
2952	}	3544	}
2953		3545
2954	register_exticmd fx_want => sub {	3546	register_exticmd fx_want => sub {
…		…
2957	while (my ($k, $v) = each %$want) {	3549	while (my ($k, $v) = each %$want) {
2958	$ns->fx_want ($k, $v);	3550	$ns->fx_want ($k, $v);
2959	}	3551	}
2960	};	3552	};
2961		3553
		3554	sub load_resource_file($) {
		3555	my $guard = lock_acquire "load_resource_file";
		3556
		3557	my $status = load_resource_file_ $_[0];
		3558	get_slot 0.1, 100;
		3559	cf::arch::commit_load;
		3560
		3561	$status
		3562	}
		3563
2962	sub reload_regions {	3564	sub reload_regions {
		3565	# HACK to clear player env face cache, we need some signal framework
		3566	# for this (global event?)
		3567	%ext::player_env::MUSIC_FACE_CACHE = ();
		3568
2963	load_resource_file "$MAPDIR/regions"	3569	load_resource_file "$MAPDIR/regions"
2964	or die "unable to load regions file\n";	3570	or die "unable to load regions file\n";
2965		3571
2966	for (cf::region::list) {	3572	for (cf::region::list) {
2967	$_->{match} = qr/$_->{match}/	3573	$_->{match} = qr/$_->{match}/
…		…
2975	}	3581	}
2976		3582
2977	sub reload_archetypes {	3583	sub reload_archetypes {
2978	load_resource_file "$DATADIR/archetypes"	3584	load_resource_file "$DATADIR/archetypes"
2979	or die "unable to load archetypes\n";	3585	or die "unable to load archetypes\n";
2980	#d# NEED to laod twice to resolve forward references
2981	# this really needs to be done in an extra post-pass
2982	# (which needs to be synchronous, so solve it differently)
2983	load_resource_file "$DATADIR/archetypes"
2984	or die "unable to load archetypes\n";
2985	}	3586	}
2986		3587
2987	sub reload_treasures {	3588	sub reload_treasures {
2988	load_resource_file "$DATADIR/treasures"	3589	load_resource_file "$DATADIR/treasures"
2989	or die "unable to load treasurelists\n";	3590	or die "unable to load treasurelists\n";
2990	}	3591	}
2991		3592
		3593	sub reload_sound {
		3594	trace "loading sound config from $DATADIR/sound\n";
		3595
		3596	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3597
		3598	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3599	my $sound = $soundconf->{compat}[$_]
		3600	or next;
		3601
		3602	my $face = cf::face::find "sound/$sound->[1]";
		3603	cf::sound::set $sound->[0] => $face;
		3604	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3605	}
		3606
		3607	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3608	my $face = cf::face::find "sound/$v";
		3609	cf::sound::set $k => $face;
		3610	}
		3611	}
		3612
2992	sub reload_resources {	3613	sub reload_resources {
2993	warn "reloading resource files...\n";	3614	trace "reloading resource files...\n";
2994		3615
		3616	reload_exp_table;
		3617	reload_materials;
		3618	reload_facedata;
		3619	reload_sound;
		3620	reload_archetypes;
2995	reload_regions;	3621	reload_regions;
2996	reload_facedata;
2997	#reload_archetypes;#d#
2998	reload_archetypes;
2999	reload_treasures;	3622	reload_treasures;
3000		3623
3001	warn "finished reloading resource files\n";	3624	trace "finished reloading resource files\n";
3002	}	3625	}
3003		3626
3004	sub init {	3627	sub reload_config {
3005	reload_resources;	3628	trace "reloading config file...\n";
3006	}
3007		3629
3008	sub cfg_load {	3630	my $config = load_file "$CONFDIR/config";
3009	open my $fh, "<:utf8", "$CONFDIR/config"	3631	utf8::decode $config;
3010	or return;	3632	*CFG = decode_yaml $config;
3011		3633
3012	local $/;
3013	*CFG = YAML::Syck::Load <$fh>;
3014
3015	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3634	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3016		3635
3017	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3636	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3018	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3637	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3019		3638
3020	if (exists $CFG{mlockall}) {	3639	if (exists $CFG{mlockall}) {
…		…
3024	};	3643	};
3025	warn $@ if $@;	3644	warn $@ if $@;
3026	}	3645	}
3027	}	3646	}
3028		3647
		3648	sub pidfile() {
		3649	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3650	or die "$PIDFILE: $!";
		3651	flock $fh, &Fcntl::LOCK_EX
		3652	or die "$PIDFILE: flock: $!";
		3653	$fh
		3654	}
		3655
		3656	# make sure only one server instance is running at any one time
		3657	sub atomic {
		3658	my $fh = pidfile;
		3659
		3660	my $pid = <$fh>;
		3661	kill 9, $pid if $pid > 0;
		3662
		3663	seek $fh, 0, 0;
		3664	print $fh $$;
		3665	}
		3666
		3667	sub main_loop {
		3668	trace "EV::loop starting\n";
		3669	if (1) {
		3670	EV::loop;
		3671	}
		3672	trace "EV::loop returned\n";
		3673	goto &main_loop unless $REALLY_UNLOOP;
		3674	}
		3675
3029	sub main {	3676	sub main {
		3677	cf::init_globals; # initialise logging
		3678
		3679	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3680	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3681	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3682	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3683
		3684	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3685
3030	# we must not ever block the main coroutine	3686	# we must not ever block the main coroutine
3031	local $Coro::idle = sub {	3687	local $Coro::idle = sub {
3032	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3688	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3033	(async {	3689	(async {
3034	Event::one_event;	3690	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3691	EV::loop EV::LOOP_ONESHOT;
3035	})->prio (Coro::PRIO_MAX);	3692	})->prio (Coro::PRIO_MAX);
3036	};	3693	};
3037		3694
3038	cfg_load;	3695	evthread_start IO::AIO::poll_fileno;
		3696
		3697	cf::sync_job {
		3698	cf::incloader::init ();
		3699
		3700	cf::init_anim;
		3701	cf::init_attackmess;
		3702	cf::init_dynamic;
		3703
		3704	cf::load_settings;
		3705
		3706	reload_resources;
		3707	reload_config;
3039	db_init;	3708	db_init;
		3709
		3710	cf::init_uuid;
		3711	cf::init_signals;
		3712	cf::init_skills;
		3713
		3714	cf::init_beforeplay;
		3715
		3716	atomic;
		3717
3040	load_extensions;	3718	load_extensions;
3041		3719
3042	$TICK_WATCHER->start;	3720	utime time, time, $RUNTIMEFILE;
3043	Event::loop;	3721
		3722	# no (long-running) fork's whatsoever before this point(!)
		3723	use POSIX ();
		3724	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3725
		3726	cf::_post_init 0;
		3727	};
		3728
		3729	cf::object::thawer::errors_are_fatal 0;
		3730	info "parse errors in files are no longer fatal from this point on.\n";
		3731
		3732	my $free_main; $free_main = EV::idle sub {
		3733	undef $free_main;
		3734	undef &main; # free gobs of memory :)
		3735	};
		3736
		3737	goto &main_loop;
3044	}	3738	}
3045		3739
3046	#############################################################################	3740	#############################################################################
3047	# initialisation and cleanup	3741	# initialisation and cleanup
3048		3742
3049	# install some emergency cleanup handlers	3743	# install some emergency cleanup handlers
3050	BEGIN {	3744	BEGIN {
		3745	our %SIGWATCHER = ();
3051	for my $signal (qw(INT HUP TERM)) {	3746	for my $signal (qw(INT HUP TERM)) {
3052	Event->signal (	3747	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3053	reentrant => 0,
3054	data => WF_AUTOCANCEL,
3055	signal => $signal,
3056	prio => 0,
3057	cb => sub {
3058	cf::cleanup "SIG$signal";	3748	cf::cleanup "SIG$signal";
3059	},
3060	);	3749	};
3061	}	3750	}
3062	}	3751	}
3063		3752
3064	sub write_runtime {	3753	sub write_runtime_sync {
3065	my $runtime = "$LOCALDIR/runtime";	3754	my $t0 = AE::time;
3066		3755
3067	# first touch the runtime file to show we are still running:	3756	# first touch the runtime file to show we are still running:
3068	# the fsync below can take a very very long time.	3757	# the fsync below can take a very very long time.
3069		3758
3070	IO::AIO::aio_utime $runtime, undef, undef;	3759	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3071		3760
3072	my $guard = cf::lock_acquire "write_runtime";	3761	my $guard = cf::lock_acquire "write_runtime";
3073		3762
3074	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3763	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3075	or return;	3764	or return;
3076		3765
3077	my $value = $cf::RUNTIME + 90 + 10;	3766	my $value = $cf::RUNTIME + 90 + 10;
3078	# 10 is the runtime save interval, for a monotonic clock	3767	# 10 is the runtime save interval, for a monotonic clock
3079	# 60 allows for the watchdog to kill the server.	3768	# 60 allows for the watchdog to kill the server.
…		…
3089	aio_utime $fh, undef, undef;	3778	aio_utime $fh, undef, undef;
3090		3779
3091	close $fh	3780	close $fh
3092	or return;	3781	or return;
3093		3782
3094	aio_rename "$runtime~", $runtime	3783	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3095	and return;	3784	and return;
3096		3785
3097	warn "runtime file written.\n";	3786	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3098		3787
3099	1	3788	1
		3789	}
		3790
		3791	our $uuid_lock;
		3792	our $uuid_skip;
		3793
		3794	sub write_uuid_sync($) {
		3795	$uuid_skip ||= $_[0];
		3796
		3797	return if $uuid_lock;
		3798	local $uuid_lock = 1;
		3799
		3800	my $uuid = "$LOCALDIR/uuid";
		3801
		3802	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3803	or return;
		3804
		3805	my $value = uuid_seq uuid_cur;
		3806
		3807	unless ($value) {
		3808	info "cowardly refusing to write zero uuid value!\n";
		3809	return;
		3810	}
		3811
		3812	my $value = uuid_str $value + $uuid_skip;
		3813	$uuid_skip = 0;
		3814
		3815	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3816	and return;
		3817
		3818	# always fsync - this file is important
		3819	aio_fsync $fh
		3820	and return;
		3821
		3822	close $fh
		3823	or return;
		3824
		3825	aio_rename "$uuid~", $uuid
		3826	and return;
		3827
		3828	trace "uuid file written ($value).\n";
		3829
		3830	1
		3831
		3832	}
		3833
		3834	sub write_uuid($$) {
		3835	my ($skip, $sync) = @_;
		3836
		3837	$sync ? write_uuid_sync $skip
		3838	: async { write_uuid_sync $skip };
3100	}	3839	}
3101		3840
3102	sub emergency_save() {	3841	sub emergency_save() {
3103	my $freeze_guard = cf::freeze_mainloop;	3842	my $freeze_guard = cf::freeze_mainloop;
3104		3843
3105	warn "enter emergency perl save\n";	3844	info "emergency_perl_save: enter\n";
		3845
		3846	# this is a trade-off: we want to be very quick here, so
		3847	# save all maps without fsync, and later call a global sync
		3848	# (which in turn might be very very slow)
		3849	local $USE_FSYNC = 0;
3106		3850
3107	cf::sync_job {	3851	cf::sync_job {
		3852	cf::write_runtime_sync; # external watchdog should not bark
		3853
3108	# use a peculiar iteration method to avoid tripping on perl	3854	# use a peculiar iteration method to avoid tripping on perl
3109	# refcount bugs in for. also avoids problems with players	3855	# refcount bugs in for. also avoids problems with players
3110	# and maps saved/destroyed asynchronously.	3856	# and maps saved/destroyed asynchronously.
3111	warn "begin emergency player save\n";	3857	info "emergency_perl_save: begin player save\n";
3112	for my $login (keys %cf::PLAYER) {	3858	for my $login (keys %cf::PLAYER) {
3113	my $pl = $cf::PLAYER{$login} or next;	3859	my $pl = $cf::PLAYER{$login} or next;
3114	$pl->valid or next;	3860	$pl->valid or next;
		3861	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3115	$pl->save;	3862	$pl->save;
3116	}	3863	}
3117	warn "end emergency player save\n";	3864	info "emergency_perl_save: end player save\n";
3118		3865
3119	warn "begin emergency map save\n";	3866	cf::write_runtime_sync; # external watchdog should not bark
		3867
		3868	info "emergency_perl_save: begin map save\n";
3120	for my $path (keys %cf::MAP) {	3869	for my $path (keys %cf::MAP) {
3121	my $map = $cf::MAP{$path} or next;	3870	my $map = $cf::MAP{$path} or next;
3122	$map->valid or next;	3871	$map->valid or next;
3123	$map->save;	3872	$map->save;
3124	}	3873	}
3125	warn "end emergency map save\n";	3874	info "emergency_perl_save: end map save\n";
3126		3875
3127	warn "begin emergency database checkpoint\n";	3876	cf::write_runtime_sync; # external watchdog should not bark
		3877
		3878	info "emergency_perl_save: begin database checkpoint\n";
3128	BDB::db_env_txn_checkpoint $DB_ENV;	3879	BDB::db_env_txn_checkpoint $DB_ENV;
3129	warn "end emergency database checkpoint\n";	3880	info "emergency_perl_save: end database checkpoint\n";
		3881
		3882	info "emergency_perl_save: begin write uuid\n";
		3883	write_uuid_sync 1;
		3884	info "emergency_perl_save: end write uuid\n";
		3885
		3886	cf::write_runtime_sync; # external watchdog should not bark
		3887
		3888	trace "emergency_perl_save: syncing database to disk";
		3889	BDB::db_env_txn_checkpoint $DB_ENV;
		3890
		3891	info "emergency_perl_save: starting sync\n";
		3892	IO::AIO::aio_sync sub {
		3893	info "emergency_perl_save: finished sync\n";
		3894	};
		3895
		3896	cf::write_runtime_sync; # external watchdog should not bark
		3897
		3898	trace "emergency_perl_save: flushing outstanding aio requests";
		3899	while (IO::AIO::nreqs || BDB::nreqs) {
		3900	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3901	}
		3902
		3903	cf::write_runtime_sync; # external watchdog should not bark
3130	};	3904	};
3131		3905
3132	warn "leave emergency perl save\n";	3906	info "emergency_perl_save: leave\n";
3133	}	3907	}
3134		3908
3135	sub post_cleanup {	3909	sub post_cleanup {
3136	my ($make_core) = @_;	3910	my ($make_core) = @_;
3137		3911
		3912	IO::AIO::flush;
		3913
3138	warn Carp::longmess "post_cleanup backtrace"	3914	error Carp::longmess "post_cleanup backtrace"
3139	if $make_core;	3915	if $make_core;
		3916
		3917	my $fh = pidfile;
		3918	unlink $PIDFILE if <$fh> == $$;
		3919	}
		3920
		3921	# a safer delete_package, copied from Symbol
		3922	sub clear_package($) {
		3923	my $pkg = shift;
		3924
		3925	# expand to full symbol table name if needed
		3926	unless ($pkg =~ /^main::.*::$/) {
		3927	$pkg = "main$pkg" if $pkg =~ /^::/;
		3928	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3929	$pkg .= '::' unless $pkg =~ /::$/;
		3930	}
		3931
		3932	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3933	my $stem_symtab = *{$stem}{HASH};
		3934
		3935	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3936	or return;
		3937
		3938	# clear all symbols
		3939	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3940	for my $name (keys %$leaf_symtab) {
		3941	_gv_clear *{"$pkg$name"};
		3942	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3943	}
3140	}	3944	}
3141		3945
3142	sub do_reload_perl() {	3946	sub do_reload_perl() {
3143	# can/must only be called in main	3947	# can/must only be called in main
3144	if ($Coro::current != $Coro::main) {	3948	unless (in_main) {
3145	warn "can only reload from main coroutine";	3949	error "can only reload from main coroutine";
3146	return;	3950	return;
3147	}	3951	}
3148		3952
3149	warn "reloading...";	3953	return if $RELOAD++;
3150		3954
3151	warn "entering sync_job";	3955	my $t1 = AE::time;
3152		3956
		3957	while ($RELOAD) {
		3958	cf::get_slot 0.1, -1, "reload_perl";
		3959	info "perl_reload: reloading...";
		3960
		3961	trace "perl_reload: entering sync_job";
		3962
3153	cf::sync_job {	3963	cf::sync_job {
3154	cf::write_runtime; # external watchdog should not bark
3155	cf::emergency_save;	3964	#cf::emergency_save;
3156	cf::write_runtime; # external watchdog should not bark
3157		3965
3158	warn "syncing database to disk";
3159	BDB::db_env_txn_checkpoint $DB_ENV;
3160
3161	# if anything goes wrong in here, we should simply crash as we already saved
3162
3163	warn "cancelling all WF_AUTOCANCEL watchers";
3164	for (Event::all_watchers) {
3165	$_->cancel if $_->data & WF_AUTOCANCEL;
3166	}
3167
3168	warn "flushing outstanding aio requests";
3169	for (;;) {
3170	BDB::flush;
3171	IO::AIO::flush;
3172	Coro::cede;
3173	last unless IO::AIO::nreqs || BDB::nreqs;
3174	warn "iterate...";
3175	}
3176
3177	++$RELOAD;
3178
3179	warn "cancelling all extension coros";	3966	trace "perl_reload: cancelling all extension coros";
3180	$_->cancel for values %EXT_CORO;	3967	$_->cancel for values %EXT_CORO;
3181	%EXT_CORO = ();	3968	%EXT_CORO = ();
3182		3969
3183	warn "removing commands";	3970	trace "perl_reload: removing commands";
3184	%COMMAND = ();	3971	%COMMAND = ();
3185		3972
3186	warn "removing ext/exti commands";	3973	trace "perl_reload: removing ext/exti commands";
3187	%EXTCMD = ();	3974	%EXTCMD = ();
3188	%EXTICMD = ();	3975	%EXTICMD = ();
3189		3976
3190	warn "unloading/nuking all extensions";	3977	trace "perl_reload: unloading/nuking all extensions";
3191	for my $pkg (@EXTS) {	3978	for my $pkg (@EXTS) {
3192	warn "... unloading $pkg";	3979	trace "... unloading $pkg";
3193		3980
3194	if (my $cb = $pkg->can ("unload")) {	3981	if (my $cb = $pkg->can ("unload")) {
3195	eval {	3982	eval {
3196	$cb->($pkg);	3983	$cb->($pkg);
3197	1	3984	1
3198	} or warn "$pkg unloaded, but with errors: $@";	3985	} or error "$pkg unloaded, but with errors: $@";
		3986	}
		3987
		3988	trace "... clearing $pkg";
		3989	clear_package $pkg;
3199	}	3990	}
3200		3991
3201	warn "... nuking $pkg";
3202	Symbol::delete_package $pkg;
3203	}
3204
3205	warn "unloading all perl modules loaded from $LIBDIR";	3992	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3206	while (my ($k, $v) = each %INC) {	3993	while (my ($k, $v) = each %INC) {
3207	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3994	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3208		3995
3209	warn "... unloading $k";	3996	trace "... unloading $k";
3210	delete $INC{$k};	3997	delete $INC{$k};
3211		3998
3212	$k =~ s/\.pm$//;	3999	$k =~ s/\.pm$//;
3213	$k =~ s/\//::/g;	4000	$k =~ s/\//::/g;
3214		4001
3215	if (my $cb = $k->can ("unload_module")) {	4002	if (my $cb = $k->can ("unload_module")) {
3216	$cb->();	4003	$cb->();
		4004	}
		4005
		4006	clear_package $k;
3217	}	4007	}
3218		4008
3219	Symbol::delete_package $k;
3220	}
3221
3222	warn "getting rid of safe::, as good as possible";	4009	trace "perl_reload: getting rid of safe::, as good as possible";
3223	Symbol::delete_package "safe::$_"	4010	clear_package "safe::$_"
3224	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4011	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3225		4012
3226	warn "unloading cf.pm \"a bit\"";	4013	trace "perl_reload: unloading cf.pm \"a bit\"";
3227	delete $INC{"cf.pm"};	4014	delete $INC{"cf.pm"};
3228	delete $INC{"cf/pod.pm"};	4015	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3229		4016
3230	# don't, removes xs symbols, too,	4017	# don't, removes xs symbols, too,
3231	# and global variables created in xs	4018	# and global variables created in xs
3232	#Symbol::delete_package __PACKAGE__;	4019	#clear_package __PACKAGE__;
3233		4020
3234	warn "unload completed, starting to reload now";	4021	info "perl_reload: unload completed, starting to reload now";
3235		4022
3236	warn "reloading cf.pm";	4023	trace "perl_reload: reloading cf.pm";
3237	require cf;	4024	require cf;
3238	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4025	cf::_connect_to_perl_1;
3239		4026
3240	warn "loading config and database again";	4027	trace "perl_reload: loading config and database again";
3241	cf::cfg_load;	4028	cf::reload_config;
3242		4029
3243	warn "loading extensions";	4030	trace "perl_reload: loading extensions";
3244	cf::load_extensions;	4031	cf::load_extensions;
3245		4032
		4033	if ($REATTACH_ON_RELOAD) {
3246	warn "reattaching attachments to objects/players";	4034	trace "perl_reload: reattaching attachments to objects/players";
3247	_global_reattach; # objects, sockets	4035	_global_reattach; # objects, sockets
3248	warn "reattaching attachments to maps";	4036	trace "perl_reload: reattaching attachments to maps";
3249	reattach $_ for values %MAP;	4037	reattach $_ for values %MAP;
3250	warn "reattaching attachments to players";	4038	trace "perl_reload: reattaching attachments to players";
3251	reattach $_ for values %PLAYER;	4039	reattach $_ for values %PLAYER;
		4040	}
3252		4041
3253	warn "leaving sync_job";	4042	cf::_post_init 1;
3254		4043
		4044	trace "perl_reload: leaving sync_job";
		4045
3255	1	4046	1
3256	} or do {	4047	} or do {
3257	warn $@;	4048	error $@;
3258	warn "error while reloading, exiting.";	4049	cf::cleanup "perl_reload: error, exiting.";
3259	exit 1;	4050	};
		4051
		4052	--$RELOAD;
3260	};	4053	}
3261		4054
3262	warn "reloaded";	4055	$t1 = AE::time - $t1;
		4056	info "perl_reload: completed in ${t1}s\n";
3263	};	4057	};
3264		4058
3265	our $RELOAD_WATCHER; # used only during reload	4059	our $RELOAD_WATCHER; # used only during reload
3266		4060
3267	sub reload_perl() {	4061	sub reload_perl() {
3268	# doing reload synchronously and two reloads happen back-to-back,	4062	# doing reload synchronously and two reloads happen back-to-back,
3269	# coro crashes during coro_state_free->destroy here.	4063	# coro crashes during coro_state_free->destroy here.
3270		4064
3271	$RELOAD_WATCHER ||= Event->timer (	4065	$RELOAD_WATCHER ||= cf::async {
3272	reentrant => 0,	4066	Coro::AIO::aio_wait cache_extensions;
3273	after => 0,	4067
3274	data => WF_AUTOCANCEL,	4068	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3275	cb => sub {
3276	do_reload_perl;	4069	do_reload_perl;
3277	undef $RELOAD_WATCHER;	4070	undef $RELOAD_WATCHER;
3278	},	4071	};
3279	);	4072	};
3280	}	4073	}
3281		4074
3282	register_command "reload" => sub {	4075	register_command "reload" => sub {
3283	my ($who, $arg) = @_;	4076	my ($who, $arg) = @_;
3284		4077
3285	if ($who->flag (FLAG_WIZ)) {	4078	if ($who->flag (FLAG_WIZ)) {
3286	$who->message ("reloading server.");	4079	$who->message ("reloading server.");
		4080	async {
		4081	$Coro::current->{desc} = "perl_reload";
3287	async { reload_perl };	4082	reload_perl;
		4083	};
3288	}	4084	}
3289	};	4085	};
3290		4086
3291	unshift @INC, $LIBDIR;	4087	#############################################################################
3292		4088
3293	my $bug_warning = 0;	4089	my $bug_warning = 0;
3294		4090
3295	our @WAIT_FOR_TICK;	4091	our @WAIT_FOR_TICK;
3296	our @WAIT_FOR_TICK_BEGIN;	4092	our @WAIT_FOR_TICK_BEGIN;
3297		4093
3298	sub wait_for_tick {	4094	sub wait_for_tick() {
3299	return unless $TICK_WATCHER->is_active;
3300	return if $Coro::current == $Coro::main;	4095	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3301		4096
3302	my $signal = new Coro::Signal;	4097	my $signal = new Coro::Signal;
3303	push @WAIT_FOR_TICK, $signal;	4098	push @WAIT_FOR_TICK, $signal;
3304	$signal->wait;	4099	$signal->wait;
3305	}	4100	}
3306		4101
3307	sub wait_for_tick_begin {	4102	sub wait_for_tick_begin() {
3308	return unless $TICK_WATCHER->is_active;
3309	return if $Coro::current == $Coro::main;	4103	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3310		4104
3311	my $signal = new Coro::Signal;	4105	my $signal = new Coro::Signal;
3312	push @WAIT_FOR_TICK_BEGIN, $signal;	4106	push @WAIT_FOR_TICK_BEGIN, $signal;
3313	$signal->wait;	4107	$signal->wait;
3314	}	4108	}
3315		4109
3316	my $min = 1e6;#d#	4110	sub tick {
3317	my $avg = 10;
3318	$TICK_WATCHER = Event->timer (
3319	reentrant => 0,
3320	parked => 1,
3321	prio => 0,
3322	at => $NEXT_TICK || $TICK,
3323	data => WF_AUTOCANCEL,
3324	cb => sub {
3325	if ($Coro::current != $Coro::main) {	4111	if ($Coro::current != $Coro::main) {
3326	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4112	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3327	unless ++$bug_warning > 10;	4113	unless ++$bug_warning > 10;
3328	return;	4114	return;
3329	}	4115	}
3330		4116
3331	$NOW = $tick_start = Event::time;
3332
3333	cf::server_tick; # one server iteration	4117	cf::server_tick; # one server iteration
3334		4118
3335	0 && sync_job {#d#	4119	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3336	for(1..10) {
3337	my $t = Event::time;
3338	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3339	or die;
3340		4120
3341	$map->width (50);	4121	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3342	$map->height (50);	4122	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3343	$map->alloc;	4123	Coro::async_pool {
3344	$map->_load_objects ("/tmp/x.map", 1);	4124	$Coro::current->{desc} = "runtime saver";
3345	my $t = Event::time - $t;	4125	write_runtime_sync
3346		4126	or error "ERROR: unable to write runtime file: $!";
3347	#next unless $t < 0.0013;#d#
3348	if ($t < $min) {
3349	$min = $t;
3350	}
3351	$avg = $avg * 0.99 + $t * 0.01;
3352	}
3353	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3354	exit 0;
3355	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3356	};	4127	};
		4128	}
3357		4129
3358	$RUNTIME += $TICK;
3359	$NEXT_TICK += $TICK;
3360
3361	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3362	$NEXT_RUNTIME_WRITE = $NOW + 10;
3363	Coro::async_pool {
3364	write_runtime
3365	or warn "ERROR: unable to write runtime file: $!";
3366	};
3367	}
3368
3369	# my $AFTER = Event::time;
3370	# warn $AFTER - $NOW;#d#
3371
3372	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4130	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3373	$sig->send;	4131	$sig->send;
3374	}	4132	}
3375	while (my $sig = shift @WAIT_FOR_TICK) {	4133	while (my $sig = shift @WAIT_FOR_TICK) {
3376	$sig->send;	4134	$sig->send;
3377	}	4135	}
3378		4136
3379	$NOW = Event::time;	4137	$LOAD = ($NOW - $TICK_START) / $TICK;
3380
3381	# if we are delayed by four ticks or more, skip them all
3382	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3383
3384	$TICK_WATCHER->at ($NEXT_TICK);
3385	$TICK_WATCHER->start;
3386
3387	$LOAD = ($NOW - $tick_start) / $TICK;
3388	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4138	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3389		4139
3390	_post_tick;	4140	if (0) {
3391		4141	if ($NEXT_TICK) {
3392		4142	my $jitter = $TICK_START - $NEXT_TICK;
		4143	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4144	debug "jitter $JITTER\n";#d#
		4145	}
3393	},	4146	}
3394	);	4147	}
3395		4148
3396	{	4149	{
3397	BDB::max_poll_time $TICK * 0.1;	4150	# configure BDB
3398	$BDB_POLL_WATCHER = Event->io (	4151
3399	reentrant => 0,
3400	fd => BDB::poll_fileno,
3401	poll => 'r',
3402	prio => 0,
3403	data => WF_AUTOCANCEL,
3404	cb => \&BDB::poll_cb,
3405	);
3406	BDB::min_parallel 8;	4152	BDB::min_parallel 16;
3407		4153	BDB::max_poll_reqs $TICK * 0.1;
3408	BDB::set_sync_prepare {	4154	$AnyEvent::BDB::WATCHER->priority (1);
3409	my $status;
3410	my $current = $Coro::current;
3411	(
3412	sub {
3413	$status = $!;
3414	$current->ready; undef $current;
3415	},
3416	sub {
3417	Coro::schedule while defined $current;
3418	$! = $status;
3419	},
3420	)
3421	};
3422		4155
3423	unless ($DB_ENV) {	4156	unless ($DB_ENV) {
3424	$DB_ENV = BDB::db_env_create;	4157	$DB_ENV = BDB::db_env_create;
		4158	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4159	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4160	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4161	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4162	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3425		4163
3426	cf::sync_job {	4164	cf::sync_job {
3427	eval {	4165	eval {
3428	BDB::db_env_open	4166	BDB::db_env_open
3429	$DB_ENV,	4167	$DB_ENV,
…		…
3431	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4169	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3432	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4170	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3433	0666;	4171	0666;
3434		4172
3435	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4173	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3436
3437	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3438	$DB_ENV->set_lk_detect;
3439	};	4174	};
3440		4175
3441	cf::cleanup "db_env_open(db): $@" if $@;	4176	cf::cleanup "db_env_open(db): $@" if $@;
3442	};	4177	};
3443	}	4178	}
		4179
		4180	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4181	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4182	};
		4183	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4184	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4185	};
		4186	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4187	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4188	};
3444	}	4189	}
3445		4190
3446	{	4191	{
		4192	# configure IO::AIO
		4193
3447	IO::AIO::min_parallel 8;	4194	IO::AIO::min_parallel 8;
3448
3449	undef $Coro::AIO::WATCHER;
3450	IO::AIO::max_poll_time $TICK * 0.1;	4195	IO::AIO::max_poll_time $TICK * 0.1;
3451	$AIO_POLL_WATCHER = Event->io (	4196	undef $AnyEvent::AIO::WATCHER;
3452	reentrant => 0,
3453	data => WF_AUTOCANCEL,
3454	fd => IO::AIO::poll_fileno,
3455	poll => 'r',
3456	prio => 6,
3457	cb => \&IO::AIO::poll_cb,
3458	);
3459	}	4197	}
3460		4198
3461	my $_log_backtrace;	4199	our $_log_backtrace;
		4200	our $_log_backtrace_last;
3462		4201
3463	sub _log_backtrace {	4202	sub _log_backtrace {
3464	my ($msg, @addr) = @_;	4203	my ($msg, @addr) = @_;
3465		4204
3466	$msg =~ s/\n//;	4205	$msg =~ s/\n$//;
3467		4206
		4207	if ($_log_backtrace_last eq $msg) {
		4208	LOG llevInfo, "[ABT] $msg\n";
		4209	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3468	# limit the # of concurrent backtraces	4210	# limit the # of concurrent backtraces
3469	if ($_log_backtrace < 2) {	4211	} elsif ($_log_backtrace < 2) {
		4212	$_log_backtrace_last = $msg;
3470	++$_log_backtrace;	4213	++$_log_backtrace;
		4214	my $perl_bt = Carp::longmess $msg;
3471	async {	4215	async {
		4216	$Coro::current->{desc} = "abt $msg";
		4217
3472	my @bt = fork_call {	4218	my @bt = fork_call {
3473	@addr = map { sprintf "%x", $_ } @addr;	4219	@addr = map { sprintf "%x", $_ } @addr;
3474	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4220	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3475	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4221	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3476	or die "addr2line: $!";	4222	or die "addr2line: $!";
…		…
3484	}	4230	}
3485		4231
3486	@funcs	4232	@funcs
3487	};	4233	};
3488		4234
3489	LOG llevInfo, "[ABT] $msg\n";	4235	LOG llevInfo, "[ABT] $perl_bt\n";
		4236	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3490	LOG llevInfo, "[ABT] $_\n" for @bt;	4237	LOG llevInfo, "[ABT] $_\n" for @bt;
3491	--$_log_backtrace;	4238	--$_log_backtrace;
3492	};	4239	};
3493	} else {	4240	} else {
3494	LOG llevInfo, "[ABT] $msg\n";	4241	LOG llevInfo, "[ABT] $msg\n";
3495	LOG llevInfo, "[ABT] [suppressed]\n";	4242	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3496	}	4243	}
3497	}	4244	}
3498		4245
3499	# load additional modules	4246	# load additional modules
3500	use cf::pod;	4247	require "cf/$_.pm" for @EXTRA_MODULES;
		4248	cf::_connect_to_perl_2;
3501		4249
3502	END { cf::emergency_save }	4250	END { cf::emergency_save }
3503		4251
3504	1	4252	1
3505		4253

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