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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.342 by root, Sun Aug 26 15:31:02 2007 UTC vs.
Revision 1.567 by root, Mon May 2 16:16:00 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.64 ();	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;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	56	use Fcntl;
31	use YAML::Syck ();	57	use YAML::XS ();
32	use IO::AIO 2.32 ();	58	use IO::AIO ();
33	use Time::HiRes;	59	use Time::HiRes;
34	use Compress::LZF;	60	use Compress::LZF;
35	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
36		64
37	# configure various modules to our taste	65	# configure various modules to our taste
38	#	66	#
39	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
40	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";
41	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
42		75
43	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
44		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		78
50	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;
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
54		85
55	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
65	our $DATADIR = datadir;	99	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
69	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
74	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;
75		120
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	123	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
84	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
86		132
87	our %CFG;	133	our %CFG;
88		134
89	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
91		138
92	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
93	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
95		142
96	# 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 ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		145
99	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)
100	our $LOADAVG; # same thing, but with alpha-smoothing	147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
101	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 $REALLY_UNLOOP; # never set to true, please :)
102		155
103	binmode STDOUT;	156	binmode STDOUT;
104	binmode STDERR;	157	binmode STDERR;
105		158
106	# read virtual server time, if available	159	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	161	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
111	}	164	}
		165
		166	eval "sub TICK() { $TICK } 1" or die;
112		167
113	mkdir $_	168	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		170
116	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
117		172
118	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::"} };
119		189
120	#############################################################################	190	#############################################################################
121		191
122	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
123		193
…		…
159		229
160	The raw value load value from the last tick.	230	The raw value load value from the last tick.
161		231
162	=item %cf::CFG	232	=item %cf::CFG
163		233
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	235	from wherever your confdir points to.
166		236
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		238
169	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
170	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
171	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.
172		242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
173	=item @cf::INVOKE_RESULTS	248	=item @cf::INVOKE_RESULTS
174		249
175	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
176	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
177	that call.	252	that call.
178		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
179	=back	260	=back
180		261
181	=cut	262	=cut
182		263
183	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
184	*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 {
185	my $msg = join "", @_;	271	my $msg = join "", @_;
186		272
187	$msg .= "\n"	273	$msg .= "\n"
188	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
189		275
190	$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;
191		277
192	utf8::encode $msg;
193	LOG llevError, $msg;	278	LOG llevWarn, $msg;
194	};	279	};
195	}	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	};
196		294
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	305	for my $pkg (qw(
208	cf::global cf::attachable	306	cf::global cf::attachable
209	cf::object cf::object::player	307	cf::object cf::object::player
210	cf::client cf::player	308	cf::client cf::player
211	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
212	cf::map cf::party cf::region	311	cf::party cf::region
213	)) {	312	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	314	}
217		315
218	$Event::DIED = sub {	316	$EV::DIED = sub {
219	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
220	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
221		324
222	#############################################################################	325	#############################################################################
223		326
224	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
225		328
…		…
246	$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;
247	$d	350	$d
248	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
249	}	352	}
250		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
251	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
252		369
253	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
254		371
255	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
256		373
257	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
258		375
259	=cut	376	=cut
260		377
261	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
262		379
263	sub to_json ($) { $json_coder->encode ($_[0]) }	380	sub encode_json($) { $json_coder->encode ($_[0]) }
264	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	}
265		444
266	=item cf::lock_wait $string	445	=item cf::lock_wait $string
267		446
268	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
269		448
270	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
271		450
272	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
273	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,
274	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
275	returned.	454	returned.
276		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
277	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
278	uses map_find and cf::map::load uses map_load).	460	uses map_find and cf::map::load uses map_load).
279		461
280	=item $locked = cf::lock_active $string	462	=item $locked = cf::lock_active $string
281		463
282	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.
283		465
284	=cut	466	=cut
285		467
286	our %LOCK;	468	our $LOCKS = new Coro::SemaphoreSet;
287		469
288	sub lock_wait($) {	470	sub lock_wait($) {
289	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
290
291	# wait for lock, if any
292	while ($LOCK{$key}) {
293	push @{ $LOCK{$key} }, $Coro::current;
294	Coro::schedule;
295	}
296	}	472	}
297		473
298	sub lock_acquire($) {	474	sub lock_acquire($) {
299	my ($key) = @_;	475	$LOCKS->guard ($_[0])
300
301	# wait, to be sure we are not locked
302	lock_wait $key;
303
304	$LOCK{$key} = [];
305
306	Coro::guard {
307	# wake up all waiters, to be on the safe side
308	$_->ready for @{ delete $LOCK{$key} };
309	}
310	}	476	}
311		477
312	sub lock_active($) {	478	sub lock_active($) {
313	my ($key) = @_;	479	$LOCKS->count ($_[0]) < 1
314
315	! ! $LOCK{$key}
316	}	480	}
317		481
318	sub freeze_mainloop {	482	sub freeze_mainloop {
319	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
320		484
321	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
322	$TICK_WATCHER->start;	486	}
323	};	487
324	$TICK_WATCHER->stop;	488	=item cf::periodic $interval, $cb
325	$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
326	}	501	}
327		502
328	=item cf::get_slot $time[, $priority[, $name]]	503	=item cf::get_slot $time[, $priority[, $name]]
329		504
330	Allocate $time seconds of blocking CPU time at priority C<$priority>:	505	Allocate $time seconds of blocking CPU time at priority C<$priority>
331	This call blocks and returns only when you have at least C<$time> seconds	506	(default: 0): This call blocks and returns only when you have at least
332	of cpu time till the next tick. The slot is only valid till the next cede.	507	C<$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.
333		512
334	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
335	used for statistical purposes and should identify the same time-class.	514	used for statistical purposes and should identify the same time-class.
336		515
337	Useful for short background jobs.	516	Useful for short background jobs.
338		517
339	=cut	518	=cut
340		519
341	our @SLOT_QUEUE;	520	our @SLOT_QUEUE;
342	our $SLOT_QUEUE;	521	our $SLOT_QUEUE;
		522	our $SLOT_DECAY = 0.9;
343		523
344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	524	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
345	$SLOT_QUEUE = Coro::async {	525	$SLOT_QUEUE = Coro::async {
		526	$Coro::current->desc ("timeslot manager");
		527
346	my $signal = new Coro::Signal;	528	my $signal = new Coro::Signal;
		529	my $busy;
347		530
348	while () {	531	while () {
349	next_job:	532	next_job:
		533
350	my $avail = cf::till_tick;	534	my $avail = cf::till_tick;
351	if ($avail > 0.01) {	535
352	for (0 .. $#SLOT_QUEUE) {	536	for (0 .. $#SLOT_QUEUE) {
353	if ($SLOT_QUEUE[$_][0] < $avail) {	537	if ($SLOT_QUEUE[$_][0] <= $avail) {
		538	$busy = 0;
354	my $job = splice @SLOT_QUEUE, $_, 1, ();	539	my $job = splice @SLOT_QUEUE, $_, 1, ();
355	$job->[2]->send;	540	$job->[2]->send;
356	Coro::cede;	541	Coro::cede;
357	goto next_job;	542	goto next_job;
358	}	543	} else {
		544	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
359	}	545	}
360	}	546	}
361		547
362	if (@SLOT_QUEUE) {	548	if (@SLOT_QUEUE) {
363	# 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
364	push @cf::WAIT_FOR_TICK, $signal;	550	push @cf::WAIT_FOR_TICK, $signal;
365	$signal->wait;	551	$signal->wait;
366	} else {	552	} else {
		553	$busy = 0;
367	Coro::schedule;	554	Coro::schedule;
368	}	555	}
369	}	556	}
370	};	557	};
371		558
372	sub get_slot($;$$) {	559	sub get_slot($;$$) {
		560	return if tick_inhibit || $Coro::current == $Coro::main;
		561
373	my ($time, $pri, $name) = @_;	562	my ($time, $pri, $name) = @_;
374		563
375	$time = $TICK * .6 if $time > $TICK * .6;	564	$time = clamp $time, 0.01, $TICK * .6;
		565
376	my $sig = new Coro::Signal;	566	my $sig = new Coro::Signal;
377		567
378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	568	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	569	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
380	$SLOT_QUEUE->ready;	570	$SLOT_QUEUE->ready;
…		…
391		581
392	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
393		583
394	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
395		585
396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	586	The design of Deliantra requires that the main coroutine ($Coro::main)
397	is always able to handle events or runnable, as Crossfire TRT is only	587	is always able to handle events or runnable, as Deliantra is only
398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	588	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
399	acceptable.	589	acceptable.
400		590
401	If it must be done, put the blocking parts into C<sync_job>. This will run	591	If it must be done, put the blocking parts into C<sync_job>. This will run
402	the given BLOCK in another coroutine while waiting for the result. The	592	the given BLOCK in another coroutine while waiting for the result. The
…		…
406	=cut	596	=cut
407		597
408	sub sync_job(&) {	598	sub sync_job(&) {
409	my ($job) = @_;	599	my ($job) = @_;
410		600
411	if ($Coro::current == $Coro::main) {	601	if (in_main) {
412	my $time = Event::time;	602	my $time = AE::time;
413		603
414	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
415	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
416		606
417	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
418	# (but this is cancel-safe)	608
419	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
420		610
421	my $busy = 1;	611	my $busy = 1;
422	my @res;	612	my @res;
423		613
424	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
425	@res = eval { $job->() };	616	@res = eval { $job->() };
426	warn $@ if $@;	617	error $@ if $@;
427	undef $busy;	618	undef $busy;
428	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
429		620
430	while ($busy) {	621	while ($busy) {
431	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
432	}	626	}
		627	}
433		628
434	$time = Event::time - $time;	629	my $time = AE::time - $time;
435		630
436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
438
439	$tick_start += $time; # do not account sync jobs to server load	631	$TICK_START += $time; # do not account sync jobs to server load
440		632
441	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
442	} else {	634	} else {
443	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
444		636
…		…
464	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
465		657
466	$coro	658	$coro
467	}	659	}
468		660
469	=item fork_call { }, $args	661	=item fork_call { }, @args
470		662
471	Executes the given code block with the given arguments in a seperate	663	Executes the given code block with the given arguments in a seperate
472	process, returning the results. Everything must be serialisable with	664	process, returning the results. Everything must be serialisable with
473	Coro::Storable. May, of course, block. Note that the executed sub may	665	Coro::Storable. May, of course, block. Note that the executed sub may
474	never block itself or use any form of Event handling.	666	never block itself or use any form of event handling.
475		667
476	=cut	668	=cut
		669
		670	sub post_fork {
		671	reset_signals;
		672	}
477		673
478	sub fork_call(&@) {	674	sub fork_call(&@) {
479	my ($cb, @args) = @_;	675	my ($cb, @args) = @_;
480		676
481	# we seemingly have to make a local copy of the whole thing,	677	# we seemingly have to make a local copy of the whole thing,
482	# otherwise perl prematurely frees the stuff :/	678	# otherwise perl prematurely frees the stuff :/
483	# TODO: investigate and fix (liekly this will be rather laborious)	679	# TODO: investigate and fix (likely this will be rather laborious)
484		680
485	my @res = Coro::Util::fork_eval {	681	my @res = Coro::Util::fork_eval {
486	reset_signals;	682	cf::post_fork;
487	&$cb	683	&$cb
488	}, @args;	684	} @args;
489		685
490	wantarray ? @res : $res[-1]	686	wantarray ? @res : $res[-1]
		687	}
		688
		689	sub objinfo {
		690	(
		691	"counter value" => cf::object::object_count,
		692	"objects created" => cf::object::create_count,
		693	"objects destroyed" => cf::object::destroy_count,
		694	"freelist size" => cf::object::free_count,
		695	"allocated objects" => cf::object::objects_size,
		696	"active objects" => cf::object::actives_size,
		697	)
		698	}
		699
		700	=item $coin = coin_from_name $name
		701
		702	=cut
		703
		704	our %coin_alias = (
		705	"silver" => "silvercoin",
		706	"silvercoin" => "silvercoin",
		707	"silvercoins" => "silvercoin",
		708	"gold" => "goldcoin",
		709	"goldcoin" => "goldcoin",
		710	"goldcoins" => "goldcoin",
		711	"platinum" => "platinacoin",
		712	"platinumcoin" => "platinacoin",
		713	"platinumcoins" => "platinacoin",
		714	"platina" => "platinacoin",
		715	"platinacoin" => "platinacoin",
		716	"platinacoins" => "platinacoin",
		717	"royalty" => "royalty",
		718	"royalties" => "royalty",
		719	);
		720
		721	sub coin_from_name($) {
		722	$coin_alias{$_[0]}
		723	? cf::arch::find $coin_alias{$_[0]}
		724	: undef
491	}	725	}
492		726
493	=item $value = cf::db_get $family => $key	727	=item $value = cf::db_get $family => $key
494		728
495	Returns a single value from the environment database.	729	Returns a single value from the environment database.
…		…
497	=item cf::db_put $family => $key => $value	731	=item cf::db_put $family => $key => $value
498		732
499	Stores the given C<$value> in the family. It can currently store binary	733	Stores the given C<$value> in the family. It can currently store binary
500	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).
501		735
		736	=item $db = cf::db_table "name"
		737
		738	Create and/or open a new database table. The string must not be "db" and must be unique
		739	within each server.
		740
502	=cut	741	=cut
		742
		743	sub db_table($) {
		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	}
503		762
504	our $DB;	763	our $DB;
505		764
506	sub db_init {	765	sub db_init {
507	unless ($DB) {	766	$DB ||= db_table "db";
508	$DB = BDB::db_create $DB_ENV;
509
510	cf::sync_job {
511	eval {
512	$DB->set_flags (BDB::CHKSUM);
513
514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
516	cf::cleanup "db_open(db): $!" if $!;
517	};
518	cf::cleanup "db_open(db): $@" if $@;
519	};
520	}
521	}	767	}
522		768
523	sub db_get($$) {	769	sub db_get($$) {
524	my $key = "$_[0]/$_[1]";	770	my $key = "$_[0]/$_[1]";
525		771
526	cf::sync_job {	772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
527	BDB::db_get $DB, undef, $key, my $data;	775	BDB::db_get $DB, undef, $key, my $data;
528		776
529	$! ? ()	777	$! ? ()
530	: $data	778	: $data
531	}
532	}	779	}
533		780
534	sub db_put($$$) {	781	sub db_put($$$) {
535	BDB::dbreq_pri 4;	782	BDB::dbreq_pri 4;
536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
564		811
565	my @data;	812	my @data;
566	my $md5;	813	my $md5;
567		814
568	for (0 .. $#$src) {	815	for (0 .. $#$src) {
569	0 <= aio_load $src->[$_], $data[$_]	816	$data[$_] = load_file $src->[$_];
570	or Carp::croak "$src->[$_]: $!";
571	}	817	}
572		818
573	# if processing is expensive, check	819	# if processing is expensive, check
574	# checksum first	820	# checksum first
575	if (1) {	821	if (1) {
576	$md5 =	822	$md5 =
577	join "\x00",	823	join "\x00",
578	$processversion,	824	$processversion,
579	map {	825	map {
580	Coro::cede;	826	cf::cede_to_tick;
581	($src->[$_], Digest::MD5::md5_hex $data[$_])	827	($src->[$_], Digest::MD5::md5_hex $data[$_])
582	} 0.. $#$src;	828	} 0.. $#$src;
583		829
584		830
585	my $dbmd5 = db_get cache => "$id/md5";	831	my $dbmd5 = db_get cache => "$id/md5";
…		…
592		838
593	my $t1 = Time::HiRes::time;	839	my $t1 = Time::HiRes::time;
594	my $data = $process->(\@data);	840	my $data = $process->(\@data);
595	my $t2 = Time::HiRes::time;	841	my $t2 = Time::HiRes::time;
596		842
597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
598		844
599	db_put cache => "$id/data", $data;	845	db_put cache => "$id/data", $data;
600	db_put cache => "$id/md5" , $md5;	846	db_put cache => "$id/md5" , $md5;
601	db_put cache => "$id/meta", $meta;	847	db_put cache => "$id/meta", $meta;
602		848
…		…
612		858
613	=cut	859	=cut
614		860
615	sub datalog($@) {	861	sub datalog($@) {
616	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
618	}	864	}
619		865
620	=back	866	=back
621		867
622	=cut	868	=cut
623		869
624	#############################################################################	870	#############################################################################
625		871
626	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
627		873
628	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
629	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")
630	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
631		877
632	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>
633	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
634	Crossfire TRT).	880	Deliantra).
635		881
636	=over 4	882	=over 4
637		883
638	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
639		885
…		…
683	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
684		930
685	Register an attachment by C<$name> through which attachable objects of the	931	Register an attachment by C<$name> through which attachable objects of the
686	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
687		933
688	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
689	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.
690		936
691	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
692		938
693	=over 4	939	=over 4
…		…
817		1063
818	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
819	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
820		1066
821	} elsif (ref $type) {	1067	} elsif (ref $type) {
822	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
823		1069
824	} else {	1070	} else {
825	shift @arg;	1071	shift @arg;
826	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
827	}	1073	}
828	}	1074	}
829	}	1075	}
830		1076
831	sub _object_attach {	1077	sub _object_attach {
…		…
841	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
842	}	1088	}
843		1089
844	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
845	} else {	1091	} else {
846	warn "object uses attachment '$name' which is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
847	}	1093	}
848		1094
849	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
850	}	1096	}
851		1097
…		…
910		1156
911	for (@$callbacks) {	1157	for (@$callbacks) {
912	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
913		1159
914	if ($@) {	1160	if ($@) {
915	warn "$@";
916	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
917	override;	1162	override;
918	}	1163	}
919		1164
920	return 1 if $override;	1165	return 1 if $override;
921	}	1166	}
922		1167
923	0	1168	0
924	}	1169	}
925		1170
926	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
927		1172
928	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
929		1174
930	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
931		1176
…		…
937		1182
938	=cut	1183	=cut
939		1184
940	#############################################################################	1185	#############################################################################
941	# object support	1186	# object support
942	#
943		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 $SLOW_MERGES;#d#
944	sub _can_merge {	1221	sub _can_merge {
945	my ($ob1, $ob2) = @_;	1222	my ($ob1, $ob2) = @_;
946		1223
947	local $Storable::canonical = 1;	1224	++$SLOW_MERGES;#d#
948	my $fob1 = Storable::freeze $ob1;
949	my $fob2 = Storable::freeze $ob2;
950		1225
951	$fob1 eq $fob2	1226	# we do the slow way here
		1227	return _object_equal $ob1, $ob2
952	}	1228	}
953		1229
954	sub reattach {	1230	sub reattach {
955	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
956	my ($obj) = @_;	1232	my ($obj) = @_;
957		1233
		1234	# no longer needed after getting rid of delete_package?
958	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
959		1236
960	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
961		1238
962	@$registry = ();	1239	@$registry = ();
963		1240
…		…
968	for (@$attach) {	1245	for (@$attach) {
969	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
970	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
971	}	1248	}
972	} else {	1249	} else {
973	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
974	}	1251	}
975	}	1252	}
976	}	1253	}
977		1254
978	cf::attachable->attach (	1255	cf::attachable->attach (
979	prio => -1000000,	1256	prio => -1000000,
980	on_instantiate => sub {	1257	on_instantiate => sub {
981	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
982		1259
983	$data = from_json $data;	1260	$data = decode_json $data;
984		1261
985	for (@$data) {	1262	for (@$data) {
986	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
987		1264
988	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
1004	sub object_freezer_save {	1281	sub object_freezer_save {
1005	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
1006		1283
1007	sync_job {	1284	sync_job {
1008	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
1009	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
1010	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
1011		1290
1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1013	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1015	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	}
1016	close $fh;	1298	aio_close $fh;
1017		1299
1018	if (@$objs) {	1300	if (@$objs) {
1019	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) {
1020	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
1021	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1022	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
1023	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	}
1024	close $fh;	1309	aio_close $fh;
1025	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
1026	}	1311	}
1027	} else {	1312	} else {
1028	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
1029	}	1314	}
1030		1315
1031	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
1032	} else {	1320	} else {
1033	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
1034	}	1322	}
1035	} else {	1323	} else {
1036	aio_unlink $filename;	1324	aio_unlink $filename;
1037	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
1038	}	1326	}
1039	}	1327	};
1040	}	1328	}
1041		1329
1042	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
1043	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
1044		1332
…		…
1056	or return;	1344	or return;
1057		1345
1058	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
1059	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
1060	or return;	1348	or return;
		1349
1061	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
1062	}	1352	}
1063		1353
		1354	utf8::decode (my $decname = $filename);
1064	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
1065	$filename, length $data, scalar @{$av || []};	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
1066	return ($data, $av);	1359	($data, $av)
1067	}	1360	}
1068		1361
1069	=head2 COMMAND CALLBACKS	1362	=head2 COMMAND CALLBACKS
1070		1363
1071	=over 4	1364	=over 4
…		…
1125	my ($name, $cb) = @_;	1418	my ($name, $cb) = @_;
1126		1419
1127	$EXTICMD{$name} = $cb;	1420	$EXTICMD{$name} = $cb;
1128	}	1421	}
1129		1422
		1423	use File::Glob ();
		1424
1130	cf::player->attach (	1425	cf::player->attach (
1131	on_command => sub {	1426	on_unknown_command => sub {
1132	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
1133		1428
1134	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
1135	or return;	1430	or return;
1136		1431
…		…
1159		1454
1160	$pl->ext_reply ($reply, @reply)	1455	$pl->ext_reply ($reply, @reply)
1161	if $reply;	1456	if $reply;
1162		1457
1163	} else {	1458	} else {
1164	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1165	}	1460	}
1166		1461
1167	cf::override;	1462	cf::override;
1168	},	1463	},
1169	);	1464	);
1170		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
1171	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
1172	cf::sync_job {	1482	cf::sync_job {
1173	my %todo;	1483	my %todo;
1174		1484
1175	for my $path (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
1176	next unless -r $path;	1486	next unless -r $path;
…		…
1194		1504
1195	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1196	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1197		1507
1198	$ext{source} =	1508	$ext{source} =
1199	"package $pkg; use strict; use utf8;\n"	1509	"package $pkg; use common::sense;\n"
1200	. "#line 1 \"$path\"\n{\n"	1510	. "#line 1 \"$path\"\n{\n"
1201	. $source	1511	. $source
1202	. "\n};\n1";	1512	. "\n};\n1";
1203		1513
1204	$todo{$base} = \%ext;	1514	$todo{$base} = \%ext;
1205	}	1515	}
1206		1516
		1517	my $pass = 0;
1207	my %done;	1518	my %done;
1208	while (%todo) {	1519	while (%todo) {
1209	my $progress;	1520	my $progress;
1210		1521
		1522	++$pass;
		1523
		1524	ext:
1211	while (my ($k, $v) = each %todo) {	1525	while (my ($k, $v) = each %todo) {
1212	for (split /,\s*/, $v->{meta}{depends}) {	1526	for (split /,\s*/, $v->{meta}{depends}) {
1213	goto skip	1527	next ext
1214	unless exists $done{$_};	1528	unless exists $done{$_};
1215	}	1529	}
1216		1530
1217	warn "... loading '$k' into '$v->{pkg}'\n";	1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1218		1532
1219	unless (eval $v->{source}) {	1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
1220	my $msg = $@ ? "$v->{path}: $@\n"	1536	error "$v->{path}: $@\n";
1221	: "$v->{base}: extension inactive.\n";
1222		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1223	if (exists $v->{meta}{mandatory}) {	1539	if exists $v->{meta}{mandatory};
1224	warn $msg;	1540
1225	warn "mandatory extension failed to load, exiting.\n";	1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1226	exit 1;	1542	delete $todo{$k};
1227	}	1543	} else {
1228		1544	$done{$k} = delete $todo{$k};
1229	warn $msg;	1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
1230	}	1550	}
1231
1232	$done{$k} = delete $todo{$k};
1233	push @EXTS, $v->{pkg};
1234	$progress = 1;
1235	}	1551	}
1236		1552
1237	skip:	1553	unless ($progress) {
1238	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1239	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	}
1240	}	1563	}
1241	};	1564	};
1242	}	1565	}
1243		1566
1244	#############################################################################	1567	#############################################################################
1245		1568
1246	=back	1569	=back
1247		1570
1248	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
1249		1572
1250	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
1251		1574
1252	=cut	1575	=cut
1253		1576
1254	package cf::player;	1577	package cf::player;
1255		1578
1256	use Coro::AIO;	1579	use Coro::AIO;
1257		1580
1258	=head3 cf::player	1581	=head3 cf::player
1259		1582
1260	=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	}
1261		1598
1262	=item cf::player::find $login	1599	=item cf::player::find $login
1263		1600
1264	Returns the given player object, loading it if necessary (might block).	1601	Returns the given player object, loading it if necessary (might block).
1265		1602
…		…
1284		1621
1285	sub exists($) {	1622	sub exists($) {
1286	my ($login) = @_;	1623	my ($login) = @_;
1287		1624
1288	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
1289	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
1290	}	1627	}
1291		1628
1292	sub find($) {	1629	sub find($) {
1293	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
1294	my $login = $_[0];	1631	my $login = $_[0];
…		…
1301	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1638	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1302	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1639	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1303	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1640	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1304	aio_unlink +(playerdir $login) . "/$login.pl";	1641	aio_unlink +(playerdir $login) . "/$login.pl";
1305		1642
1306	my $pl = load_pl path $login	1643	my $f = new_from_file cf::object::thawer path $login
1307	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;
1308	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1309	}	1652	}
1310	}	1653	}
1311	}	1654	}
		1655
		1656	cf::player->attach (
		1657	on_load => sub {
		1658	my ($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	);
1312		1668
1313	sub save($) {	1669	sub save($) {
1314	my ($pl) = @_;	1670	my ($pl) = @_;
1315		1671
1316	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
…		…
1321	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1322		1678
1323	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1324	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
1325		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
1326	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1327	Coro::cede;	1688	cf::cede_to_tick;
1328	}	1689	}
1329		1690
1330	sub new($) {	1691	sub new($) {
1331	my ($login) = @_;	1692	my ($login) = @_;
1332		1693
…		…
1361	my ($pl) = @_;	1722	my ($pl) = @_;
1362		1723
1363	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1364		1725
1365	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1366	$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
1367		1728
1368	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1369	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1370	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1371	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1372		1737
1373	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1374	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1375	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1410	or return [];	1775	or return [];
1411		1776
1412	my @logins;	1777	my @logins;
1413		1778
1414	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") {
1415	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1416	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1417	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1418		1789
1419	utf8::decode $login;	1790	utf8::decode $login;
1420	push @logins, $login;	1791	push @logins, $login;
1421	}	1792	}
1422		1793
1423	\@logins	1794	\@logins
1424	}	1795	}
1425		1796
1426	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1427		1800
1428	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1429	player. May block.	1802	player. May block.
1430		1803
1431	=cut	1804	=cut
…		…
1449	}	1822	}
1450		1823
1451	\@paths	1824	\@paths
1452	}	1825	}
1453		1826
1454	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1455		1828
1456	Expand crossfire pod fragments into protocol xml.	1829	Expand deliantra pod fragments into protocol xml.
1457
1458	=cut
1459
1460	sub expand_cfpod {
1461	((my $self), (local $_)) = @_;
1462
1463	# escape & and <
1464	s/&/&amp;/g;
1465	s/(?<![BIUGH])</&lt;/g;
1466
1467	# this is buggy, it needs to properly take care of nested <'s
1468
1469	1 while
1470	# replace B<>, I<>, U<> etc.
1471	s/B<([^\>]*)>/<b>$1<\/b>/
1472	|| s/I<([^\>]*)>/<i>$1<\/i>/
1473	|| s/U<([^\>]*)>/<u>$1<\/u>/
1474	# replace G<male|female> tags
1475	|| s{G<([^>|]*)\|([^>]*)>}{
1476	$self->gender ? $2 : $1
1477	}ge
1478	# replace H<hint text>
1479	|| s{H<([^\>]*)>}
1480	{
1481	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1482	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1483	"")
1484	[$self->{hintmode}]
1485	}ge;
1486
1487	# create single paragraphs (very hackish)
1488	s/(?<=\S)\n(?=\w)/ /g;
1489
1490	# compress some whitespace
1491	s/\s+\n/\n/g; # ws line-ends
1492	s/\n\n+/\n/g; # double lines
1493	s/^\n+//; # beginning lines
1494	s/\n+$//; # ending lines
1495
1496	$_
1497	}
1498
1499	sub hintmode {
1500	$_[0]{hintmode} = $_[1] if @_ > 1;
1501	$_[0]{hintmode}
1502	}
1503		1830
1504	=item $player->ext_reply ($msgid, @msg)	1831	=item $player->ext_reply ($msgid, @msg)
1505		1832
1506	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1507		1834
…		…
1539		1866
1540	=cut	1867	=cut
1541		1868
1542	sub find_by_path($) {	1869	sub find_by_path($) {
1543	my ($path) = @_;	1870	my ($path) = @_;
		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
1544		1873
1545	my ($match, $specificity);	1874	my ($match, $specificity);
1546		1875
1547	for my $region (list) {	1876	for my $region (list) {
1548	if ($region->{match} && $path =~ $region->{match}) {	1877	if ($region->{match} && $path =~ $region->{match}) {
…		…
1574	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1575	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1576		1905
1577	sub generate_random_map {	1906	sub generate_random_map {
1578	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1579	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1580	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1581	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1582	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1583	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1584	$rmp->{exit_on_final_map},
1585	$rmp->{xsize}, $rmp->{ysize},
1586	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1587	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1588	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1589	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1590	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1591	(cf::region::find $rmp->{region}), $rmp->{custom}
1592	)
1593	}	1912	}
1594		1913
1595	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1596		1915
1597	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
…		…
1602		1921
1603	sub register {	1922	sub register {
1604	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1605	my $pkg = caller;	1924	my $pkg = caller;
1606		1925
1607	no strict;
1608	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1609		1927
1610	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1611	}	1929	}
1612		1930
1613	# also paths starting with '/'	1931	# also paths starting with '/'
1614	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1615		1933
1616	sub thawer_merge {	1934	sub thawer_merge {
1617	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1618		1936
1619	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
…		…
1624	}	1942	}
1625		1943
1626	sub normalise {	1944	sub normalise {
1627	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1628		1946
1629	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1630		1948
1631	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1632		1950
1633	# map plan:	1951	# map plan:
1634	#	1952	#
…		…
1649	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1650	$path = "$base/$path";	1968	$path = "$base/$path";
1651	}	1969	}
1652		1970
1653	for ($path) {	1971	for ($path) {
1654	redo if s{//}{/};
1655	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1656	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1657	}	1974	}
1658		1975
1659	$path	1976	$path
…		…
1673	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1674	return $self;	1991	return $self;
1675	}	1992	}
1676	}	1993	}
1677		1994
1678	Carp::cluck "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1679	()	1996	()
1680	}	1997	}
1681		1998
		1999	# may re-bless or do other evil things
1682	sub init {	2000	sub init {
1683	my ($self) = @_;	2001	my ($self) = @_;
1684		2002
1685	$self	2003	$self
1686	}	2004	}
…		…
1705		2023
1706	# the temporary/swap location	2024	# the temporary/swap location
1707	sub save_path {	2025	sub save_path {
1708	my ($self) = @_;	2026	my ($self) = @_;
1709		2027
1710	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2028	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1711	"$TMPDIR/$path.map"	2029	"$TMPDIR/$path.map"
1712	}	2030	}
1713		2031
1714	# the unique path, undef == no special unique path	2032	# the unique path, undef == no special unique path
1715	sub uniq_path {	2033	sub uniq_path {
1716	my ($self) = @_;	2034	my ($self) = @_;
1717		2035
1718	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1719	"$UNIQUEDIR/$path"	2037	"$UNIQUEDIR/$path"
1720	}
1721
1722	# and all this just because we cannot iterate over
1723	# all maps in C++...
1724	sub change_all_map_light {
1725	my ($change) = @_;
1726
1727	$_->change_map_light ($change)
1728	for grep $_->outdoor, values %cf::MAP;
1729	}	2038	}
1730		2039
1731	sub decay_objects {	2040	sub decay_objects {
1732	my ($self) = @_;	2041	my ($self) = @_;
1733		2042
…		…
1746		2055
1747	sub load_header_from($) {	2056	sub load_header_from($) {
1748	my ($self, $path) = @_;	2057	my ($self, $path) = @_;
1749		2058
1750	utf8::encode $path;	2059	utf8::encode $path;
1751	#aio_open $path, O_RDONLY, 0	2060	my $f = new_from_file cf::object::thawer $path
1752	# or return;
1753
1754	$self->_load_header ($path)
1755	or return;	2061	or return;
1756		2062
		2063	$self->_load_header ($f)
		2064	or return;
		2065
		2066	local $MAP_LOADING{$self->{path}} = $self;
		2067	$f->resolve_delayed_derefs;
		2068
1757	$self->{load_path} = $path;	2069	$self->{load_path} = $path;
1758		2070
1759	1	2071	1
1760	}	2072	}
1761		2073
		2074	# used to laod the header of an original map
1762	sub load_header_orig {	2075	sub load_header_orig {
1763	my ($self) = @_;	2076	my ($self) = @_;
1764		2077
1765	$self->load_header_from ($self->load_path)	2078	$self->load_header_from ($self->load_path)
1766	}	2079	}
1767		2080
		2081	# used to laod the header of an instantiated map
1768	sub load_header_temp {	2082	sub load_header_temp {
1769	my ($self) = @_;	2083	my ($self) = @_;
1770		2084
1771	$self->load_header_from ($self->save_path)	2085	$self->load_header_from ($self->save_path)
1772	}	2086	}
1773		2087
		2088	# called after loading the header from an instantiated map
1774	sub prepare_temp {	2089	sub prepare_temp {
1775	my ($self) = @_;	2090	my ($self) = @_;
1776		2091
1777	$self->last_access ((delete $self->{last_access})	2092	$self->last_access ((delete $self->{last_access})
1778	|| $cf::RUNTIME); #d#	2093	|| $cf::RUNTIME); #d#
1779	# safety	2094	# safety
1780	$self->{instantiate_time} = $cf::RUNTIME	2095	$self->{instantiate_time} = $cf::RUNTIME
1781	if $self->{instantiate_time} > $cf::RUNTIME;	2096	if $self->{instantiate_time} > $cf::RUNTIME;
1782	}	2097	}
1783		2098
		2099	# called after loading the header from an original map
1784	sub prepare_orig {	2100	sub prepare_orig {
1785	my ($self) = @_;	2101	my ($self) = @_;
1786		2102
1787	$self->{load_original} = 1;	2103	$self->{load_original} = 1;
1788	$self->{instantiate_time} = $cf::RUNTIME;	2104	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1812		2128
1813	sub find;	2129	sub find;
1814	sub find {	2130	sub find {
1815	my ($path, $origin) = @_;	2131	my ($path, $origin) = @_;
1816		2132
		2133	cf::cede_to_tick;
		2134
1817	$path = normalise $path, $origin && $origin->path;	2135	$path = normalise $path, $origin;
1818		2136
		2137	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1819	cf::lock_wait "map_find:$path";	2138	my $guard2 = cf::lock_acquire "map_find:$path";
1820		2139
1821	$cf::MAP{$path} || do {	2140	$cf::MAP{$path} || do {
1822	my $guard = cf::lock_acquire "map_find:$path";
1823	my $map = new_from_path cf::map $path	2141	my $map = new_from_path cf::map $path
1824	or return;	2142	or return;
1825		2143
1826	$map->{last_save} = $cf::RUNTIME;	2144	$map->{last_save} = $cf::RUNTIME;
1827		2145
…		…
1829	or return;	2147	or return;
1830		2148
1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2149	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1832	# doing this can freeze the server in a sync job, obviously	2150	# doing this can freeze the server in a sync job, obviously
1833	#$cf::WAIT_FOR_TICK->wait;	2151	#$cf::WAIT_FOR_TICK->wait;
		2152	undef $guard2;
		2153	undef $guard1;
1834	$map->reset;	2154	$map->reset;
1835	undef $guard;
1836	return find $path;	2155	return find $path;
1837	}	2156	}
1838		2157
1839	$cf::MAP{$path} = $map	2158	$cf::MAP{$path} = $map
1840	}	2159	}
1841	}	2160	}
1842		2161
1843	sub pre_load { }	2162	sub pre_load { }
1844	sub post_load { }	2163	#sub post_load { } # XS
1845		2164
1846	sub load {	2165	sub load {
1847	my ($self) = @_;	2166	my ($self) = @_;
1848		2167
1849	local $self->{deny_reset} = 1; # loading can take a long time	2168	local $self->{deny_reset} = 1; # loading can take a long time
1850		2169
1851	my $path = $self->{path};	2170	my $path = $self->{path};
1852		2171
1853	{	2172	{
1854	my $guard = cf::lock_acquire "map_load:$path";	2173	my $guard = cf::lock_acquire "map_data:$path";
1855		2174
		2175	return unless $self->valid;
1856	return if $self->in_memory != cf::MAP_SWAPPED;	2176	return unless $self->in_memory == cf::MAP_SWAPPED;
1857		2177
1858	$self->in_memory (cf::MAP_LOADING);	2178	$self->in_memory (cf::MAP_LOADING);
1859		2179
1860	$self->alloc;	2180	$self->alloc;
1861		2181
1862	$self->pre_load;	2182	$self->pre_load;
1863	Coro::cede;	2183	cf::cede_to_tick;
1864		2184
1865	$self->_load_objects ($self->{load_path}, 1)	2185	if (exists $self->{load_path}) {
		2186	my $f = new_from_file cf::object::thawer $self->{load_path};
		2187	$f->skip_block;
		2188	$self->_load_objects ($f)
1866	or return;	2189	or return;
1867		2190
1868	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2191	$self->post_load_original
1869	if delete $self->{load_original};	2192	if delete $self->{load_original};
1870		2193
1871	if (my $uniq = $self->uniq_path) {	2194	if (my $uniq = $self->uniq_path) {
1872	utf8::encode $uniq;	2195	utf8::encode $uniq;
1873	if (aio_open $uniq, O_RDONLY, 0) {	2196	unless (aio_stat $uniq) {
		2197	if (my $f = new_from_file cf::object::thawer $uniq) {
1874	$self->clear_unique_items;	2198	$self->clear_unique_items;
1875	$self->_load_objects ($uniq, 0);	2199	$self->_load_objects ($f);
		2200	$f->resolve_delayed_derefs;
		2201	}
		2202	}
1876	}	2203	}
1877	}
1878		2204
1879	Coro::cede;	2205	$f->resolve_delayed_derefs;
		2206	} else {
		2207	$self->post_load_original
		2208	if delete $self->{load_original};
		2209	}
		2210
		2211	cf::cede_to_tick;
1880	# now do the right thing for maps	2212	# now do the right thing for maps
1881	$self->link_multipart_objects;	2213	$self->link_multipart_objects;
1882	$self->difficulty ($self->estimate_difficulty)	2214	$self->difficulty ($self->estimate_difficulty)
1883	unless $self->difficulty;	2215	unless $self->difficulty;
1884	Coro::cede;	2216	cf::cede_to_tick;
1885		2217
1886	unless ($self->{deny_activate}) {	2218	unless ($self->{deny_activate}) {
1887	$self->decay_objects;	2219	$self->decay_objects;
1888	$self->fix_auto_apply;	2220	$self->fix_auto_apply;
1889	$self->update_buttons;	2221	$self->update_buttons;
1890	Coro::cede;	2222	cf::cede_to_tick;
1891	$self->set_darkness_map;
1892	Coro::cede;
1893	$self->activate;	2223	$self->activate;
1894	}	2224	}
1895		2225
1896	$self->{last_save} = $cf::RUNTIME;	2226	$self->{last_save} = $cf::RUNTIME;
1897	$self->last_access ($cf::RUNTIME);	2227	$self->last_access ($cf::RUNTIME);
1898		2228
1899	$self->in_memory (cf::MAP_IN_MEMORY);	2229	$self->in_memory (cf::MAP_ACTIVE);
1900	}	2230	}
1901		2231
1902	$self->post_load;	2232	$self->post_load;
1903	}
1904		2233
		2234	1
		2235	}
		2236
		2237	# customize the map for a given player, i.e.
		2238	# return the _real_ map. used by e.g. per-player
		2239	# maps to change the path to ~playername/mappath
1905	sub customise_for {	2240	sub customise_for {
1906	my ($self, $ob) = @_;	2241	my ($self, $ob) = @_;
1907		2242
1908	return find "~" . $ob->name . "/" . $self->{path}	2243	return find "~" . $ob->name . "/" . $self->{path}
1909	if $self->per_player;	2244	if $self->per_player;
…		…
1925	or next;	2260	or next;
1926	$neigh = find $neigh, $map	2261	$neigh = find $neigh, $map
1927	or next;	2262	or next;
1928	$neigh->load;	2263	$neigh->load;
1929		2264
		2265	# now find the diagonal neighbours
1930	push @neigh,	2266	push @neigh,
1931	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2267	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1932	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2268	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1933	}	2269	}
1934		2270
…		…
1941	}	2277	}
1942		2278
1943	sub find_sync {	2279	sub find_sync {
1944	my ($path, $origin) = @_;	2280	my ($path, $origin) = @_;
1945		2281
1946	cf::sync_job { find $path, $origin }	2282	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2283	if $Coro::current == $Coro::main;
		2284
		2285	find $path, $origin
1947	}	2286	}
1948		2287
1949	sub do_load_sync {	2288	sub do_load_sync {
1950	my ($map) = @_;	2289	my ($map) = @_;
1951		2290
1952	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2291	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
1953	if $Coro::current == $Coro::main;	2292	if $Coro::current == $Coro::main;
1954		2293
1955	cf::sync_job { $map->load };	2294	$map->load;
1956	}	2295	}
1957		2296
1958	our %MAP_PREFETCH;	2297	our %MAP_PREFETCH;
1959	our $MAP_PREFETCHER = undef;	2298	our $MAP_PREFETCHER = undef;
1960		2299
1961	sub find_async {	2300	sub find_async {
1962	my ($path, $origin, $load) = @_;	2301	my ($path, $origin, $load) = @_;
1963		2302
1964	$path = normalise $path, $origin && $origin->{path};	2303	$path = normalise $path, $origin;
1965		2304
1966	if (my $map = $cf::MAP{$path}) {	2305	if (my $map = $cf::MAP{$path}) {
1967	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2306	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1968	}	2307	}
1969		2308
1970	$MAP_PREFETCH{$path} |= $load;	2309	$MAP_PREFETCH{$path} |= $load;
1971		2310
1972	$MAP_PREFETCHER ||= cf::async {	2311	$MAP_PREFETCHER ||= cf::async {
		2312	$Coro::current->{desc} = "map prefetcher";
		2313
1973	while (%MAP_PREFETCH) {	2314	while (%MAP_PREFETCH) {
1974	while (my ($k, $v) = each %MAP_PREFETCH) {	2315	while (my ($k, $v) = each %MAP_PREFETCH) {
1975	if (my $map = find $k) {	2316	if (my $map = find $k) {
1976	$map->load if $v;	2317	$map->load if $v;
1977	}	2318	}
…		…
1984	$MAP_PREFETCHER->prio (6);	2325	$MAP_PREFETCHER->prio (6);
1985		2326
1986	()	2327	()
1987	}	2328	}
1988		2329
		2330	# common code, used by both ->save and ->swapout
1989	sub save {	2331	sub _save {
1990	my ($self) = @_;	2332	my ($self) = @_;
1991
1992	my $lock = cf::lock_acquire "map_data:" . $self->path;
1993		2333
1994	$self->{last_save} = $cf::RUNTIME;	2334	$self->{last_save} = $cf::RUNTIME;
1995		2335
1996	return unless $self->dirty;	2336	return unless $self->dirty;
1997		2337
…		…
2003	return if $self->{deny_save};	2343	return if $self->{deny_save};
2004		2344
2005	local $self->{last_access} = $self->last_access;#d#	2345	local $self->{last_access} = $self->last_access;#d#
2006		2346
2007	cf::async {	2347	cf::async {
		2348	$Coro::current->{desc} = "map player save";
2008	$_->contr->save for $self->players;	2349	$_->contr->save for $self->players;
2009	};	2350	};
		2351
		2352	cf::get_slot 0.02;
2010		2353
2011	if ($uniq) {	2354	if ($uniq) {
2012	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2355	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2013	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2356	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2014	} else {	2357	} else {
2015	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2358	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2016	}	2359	}
2017	}	2360	}
2018		2361
		2362	sub save {
		2363	my ($self) = @_;
		2364
		2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2366
		2367	$self->_save;
		2368	}
		2369
2019	sub swap_out {	2370	sub swap_out {
2020	my ($self) = @_;	2371	my ($self) = @_;
2021		2372
2022	# save first because save cedes
2023	$self->save;
2024
2025	my $lock = cf::lock_acquire "map_data:" . $self->path;	2373	my $lock = cf::lock_acquire "map_data:$self->{path}";
2026		2374
		2375	return if $self->in_memory != cf::MAP_ACTIVE;
		2376	return if $self->{deny_save};
2027	return if $self->players;	2377	return if $self->players;
2028	return if $self->in_memory != cf::MAP_IN_MEMORY;
2029	return if $self->{deny_save};
2030		2378
		2379	# first deactivate the map and "unlink" it from the core
		2380	$self->deactivate;
		2381	$_->clear_links_to ($self) for values %cf::MAP;
		2382	$self->in_memory (cf::MAP_SWAPPED);
		2383
		2384	# then atomically save
		2385	$self->_save;
		2386
		2387	# then free the map
2031	$self->clear;	2388	$self->clear;
2032	$self->in_memory (cf::MAP_SWAPPED);
2033	}	2389	}
2034		2390
2035	sub reset_at {	2391	sub reset_at {
2036	my ($self) = @_;	2392	my ($self) = @_;
2037		2393
…		…
2055		2411
2056	my $lock = cf::lock_acquire "map_data:$self->{path}";	2412	my $lock = cf::lock_acquire "map_data:$self->{path}";
2057		2413
2058	return if $self->players;	2414	return if $self->players;
2059		2415
2060	warn "resetting map ", $self->path;	2416	cf::trace "resetting map ", $self->path, "\n";
2061		2417
2062	$self->in_memory (cf::MAP_SWAPPED);	2418	$self->in_memory (cf::MAP_SWAPPED);
2063		2419
2064	# need to save uniques path	2420	# need to save uniques path
2065	unless ($self->{deny_save}) {	2421	unless ($self->{deny_save}) {
…		…
2069	if $uniq;	2425	if $uniq;
2070	}	2426	}
2071		2427
2072	delete $cf::MAP{$self->path};	2428	delete $cf::MAP{$self->path};
2073		2429
		2430	$self->deactivate;
		2431	$_->clear_links_to ($self) for values %cf::MAP;
2074	$self->clear;	2432	$self->clear;
2075
2076	$_->clear_links_to ($self) for values %cf::MAP;
2077		2433
2078	$self->unlink_save;	2434	$self->unlink_save;
2079	$self->destroy;	2435	$self->destroy;
2080	}	2436	}
2081		2437
2082	my $nuke_counter = "aaaa";	2438	my $nuke_counter = "aaaa";
2083		2439
2084	sub nuke {	2440	sub nuke {
2085	my ($self) = @_;	2441	my ($self) = @_;
2086		2442
		2443	{
		2444	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2445
2087	delete $cf::MAP{$self->path};	2446	delete $cf::MAP{$self->path};
2088		2447
2089	$self->unlink_save;	2448	$self->unlink_save;
2090		2449
2091	bless $self, "cf::map";	2450	bless $self, "cf::map::wrap";
2092	delete $self->{deny_reset};	2451	delete $self->{deny_reset};
2093	$self->{deny_save} = 1;	2452	$self->{deny_save} = 1;
2094	$self->reset_timeout (1);	2453	$self->reset_timeout (1);
2095	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2454	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2096		2455
2097	$cf::MAP{$self->path} = $self;	2456	$cf::MAP{$self->path} = $self;
		2457	}
2098		2458
2099	$self->reset; # polite request, might not happen	2459	$self->reset; # polite request, might not happen
2100	}	2460	}
2101		2461
2102	=item $maps = cf::map::tmp_maps	2462	=item $maps = cf::map::tmp_maps
…		…
2144		2504
2145	sub unique_maps() {	2505	sub unique_maps() {
2146	[	2506	[
2147	map {	2507	map {
2148	utf8::decode $_;	2508	utf8::decode $_;
2149	/\.map$/	2509	s/\.map$//; # TODO future compatibility hack
		2510	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2511	? ()
2150	? normalise $_	2512	: normalise $_
2151	: ()
2152	} @{ aio_readdir $UNIQUEDIR or [] }	2513	} @{ aio_readdir $UNIQUEDIR or [] }
2153	]	2514	]
2154	}	2515	}
2155		2516
2156	package cf;	2517	=item cf::map::static_maps
		2518
		2519	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2520	file in the shared directory excluding F</styles> and F</editor>). May
		2521	block.
		2522
		2523	=cut
		2524
		2525	sub static_maps() {
		2526	my @dirs = "";
		2527	my @maps;
		2528
		2529	while (@dirs) {
		2530	my $dir = shift @dirs;
		2531
		2532	next if $dir eq "/styles" || $dir eq "/editor";
		2533
		2534	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2535	or return;
		2536
		2537	for (@$files) {
		2538	s/\.map$// or next;
		2539	utf8::decode $_;
		2540	push @maps, "$dir/$_";
		2541	}
		2542
		2543	push @dirs, map "$dir/$_", @$dirs;
		2544	}
		2545
		2546	\@maps
		2547	}
2157		2548
2158	=back	2549	=back
2159		2550
2160	=head3 cf::object	2551	=head3 cf::object
2161		2552
…		…
2165		2556
2166	=over 4	2557	=over 4
2167		2558
2168	=item $ob->inv_recursive	2559	=item $ob->inv_recursive
2169		2560
2170	Returns the inventory of the object _and_ their inventories, recursively.	2561	Returns the inventory of the object I<and> their inventories, recursively,
		2562	but I<not> the object itself.
2171		2563
2172	=cut	2564	=cut
2173		2565
2174	sub inv_recursive_;	2566	sub inv_recursive_;
2175	sub inv_recursive_ {	2567	sub inv_recursive_ {
…		…
2178		2570
2179	sub inv_recursive {	2571	sub inv_recursive {
2180	inv_recursive_ inv $_[0]	2572	inv_recursive_ inv $_[0]
2181	}	2573	}
2182		2574
		2575	=item $ref = $ob->ref
		2576
		2577	Creates and returns a persistent reference to an object that can be stored as a string.
		2578
		2579	=item $ob = cf::object::deref ($refstring)
		2580
		2581	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2582	even if the object actually exists. May block.
		2583
		2584	=cut
		2585
		2586	sub deref {
		2587	my ($ref) = @_;
		2588
		2589	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2590	my ($uuid, $name) = ($1, $2);
		2591	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2592	or return;
		2593	$pl->ob->uuid eq $uuid
		2594	or return;
		2595
		2596	$pl->ob
		2597	} else {
		2598	warn "$ref: cannot resolve object reference\n";
		2599	undef
		2600	}
		2601	}
		2602
2183	package cf;	2603	package cf;
2184		2604
2185	=back	2605	=back
2186		2606
2187	=head3 cf::object::player	2607	=head3 cf::object::player
…		…
2193	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2613	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2194	can be C<undef>. Does the right thing when the player is currently in a	2614	can be C<undef>. Does the right thing when the player is currently in a
2195	dialogue with the given NPC character.	2615	dialogue with the given NPC character.
2196		2616
2197	=cut	2617	=cut
		2618
		2619	our $SAY_CHANNEL = {
		2620	id => "say",
		2621	title => "Map",
		2622	reply => "say ",
		2623	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2624	};
		2625
		2626	our $CHAT_CHANNEL = {
		2627	id => "chat",
		2628	title => "Chat",
		2629	reply => "chat ",
		2630	tooltip => "Player chat and shouts, global to the server.",
		2631	};
2198		2632
2199	# rough implementation of a future "reply" method that works	2633	# rough implementation of a future "reply" method that works
2200	# with dialog boxes.	2634	# with dialog boxes.
2201	#TODO: the first argument must go, split into a $npc->reply_to ( method	2635	#TODO: the first argument must go, split into a $npc->reply_to ( method
2202	sub cf::object::player::reply($$$;$) {	2636	sub cf::object::player::reply($$$;$) {
…		…
2214	my $dialog = $pl->{npc_dialog};	2648	my $dialog = $pl->{npc_dialog};
2215	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2649	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2216		2650
2217	} else {	2651	} else {
2218	$msg = $npc->name . " says: $msg" if $npc;	2652	$msg = $npc->name . " says: $msg" if $npc;
2219	$self->message ($msg, $flags);	2653	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2220	}	2654	}
2221	}	2655	}
2222	}	2656	}
2223		2657
2224	=item $object->send_msg ($channel, $msg, $color, [extra...])	2658	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2249		2683
2250	=item $player_object->enter_link	2684	=item $player_object->enter_link
2251		2685
2252	Freezes the player and moves him/her to a special map (C<{link}>).	2686	Freezes the player and moves him/her to a special map (C<{link}>).
2253		2687
2254	The player should be reasonably safe there for short amounts of time. You	2688	The player should be reasonably safe there for short amounts of time (e.g.
2255	I<MUST> call C<leave_link> as soon as possible, though.	2689	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2690	though, as the player cannot control the character while it is on the link
		2691	map.
2256		2692
2257	Will never block.	2693	Will never block.
2258		2694
2259	=item $player_object->leave_link ($map, $x, $y)	2695	=item $player_object->leave_link ($map, $x, $y)
2260		2696
…		…
2280	sub cf::object::player::enter_link {	2716	sub cf::object::player::enter_link {
2281	my ($self) = @_;	2717	my ($self) = @_;
2282		2718
2283	$self->deactivate_recursive;	2719	$self->deactivate_recursive;
2284		2720
		2721	++$self->{_link_recursion};
		2722
2285	return if UNIVERSAL::isa $self->map, "ext::map_link";	2723	return if UNIVERSAL::isa $self->map, "ext::map_link";
2286		2724
2287	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2725	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2288	if $self->map && $self->map->{path} ne "{link}";	2726	if $self->map && $self->map->{path} ne "{link}";
2289		2727
2290	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2728	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2291	}	2729	}
2292		2730
2293	sub cf::object::player::leave_link {	2731	sub cf::object::player::leave_link {
2294	my ($self, $map, $x, $y) = @_;	2732	my ($self, $map, $x, $y) = @_;
2295		2733
…		…
2312	($x, $y) = (-1, -1)	2750	($x, $y) = (-1, -1)
2313	unless (defined $x) && (defined $y);	2751	unless (defined $x) && (defined $y);
2314		2752
2315	# use -1 or undef as default coordinates, not 0, 0	2753	# use -1 or undef as default coordinates, not 0, 0
2316	($x, $y) = ($map->enter_x, $map->enter_y)	2754	($x, $y) = ($map->enter_x, $map->enter_y)
2317	if $x <=0 && $y <= 0;	2755	if $x <= 0 && $y <= 0;
2318		2756
2319	$map->load;	2757	$map->load;
2320	$map->load_neighbours;	2758	$map->load_neighbours;
2321		2759
2322	return unless $self->contr->active;	2760	return unless $self->contr->active;
2323	$self->activate_recursive;
2324		2761
2325	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2762	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2326	$self->enter_map ($map, $x, $y);	2763	if ($self->enter_map ($map, $x, $y)) {
2327	}	2764	# entering was successful
		2765	delete $self->{_link_recursion};
		2766	# only activate afterwards, to support waiting in hooks
		2767	$self->activate_recursive;
		2768	}
2328		2769
		2770	}
		2771
2329	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2772	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2330		2773
2331	Moves the player to the given map-path and coordinates by first freezing	2774	Moves the player to the given map-path and coordinates by first freezing
2332	her, loading and preparing them map, calling the provided $check callback	2775	her, loading and preparing them map, calling the provided $check callback
2333	that has to return the map if sucecssful, and then unfreezes the player on	2776	that has to return the map if sucecssful, and then unfreezes the player on
2334	the new (success) or old (failed) map position. In either case, $done will	2777	the new (success) or old (failed) map position. In either case, $done will
2335	be called at the end of this process.	2778	be called at the end of this process.
2336		2779
		2780	Note that $check will be called with a potentially non-loaded map, so if
		2781	it needs a loaded map it has to call C<< ->load >>.
		2782
2337	=cut	2783	=cut
2338		2784
2339	our $GOTOGEN;	2785	our $GOTOGEN;
2340		2786
2341	sub cf::object::player::goto {	2787	sub cf::object::player::goto {
2342	my ($self, $path, $x, $y, $check, $done) = @_;	2788	my ($self, $path, $x, $y, $check, $done) = @_;
2343		2789
		2790	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2791	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2792	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2793	($path, $x, $y) = @$EMERGENCY_POSITION;
		2794	}
		2795
2344	# do generation counting so two concurrent goto's will be executed in-order	2796	# do generation counting so two concurrent goto's will be executed in-order
2345	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2797	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2346		2798
2347	$self->enter_link;	2799	$self->enter_link;
2348		2800
2349	(async {	2801	(async {
		2802	$Coro::current->{desc} = "player::goto $path $x $y";
		2803
		2804	# *tag paths override both path and x|y
		2805	if ($path =~ /^\*(.*)$/) {
		2806	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2807	my $ob = $obs[rand @obs];
		2808
		2809	# see if we actually can go there
		2810	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2811	$ob = $obs[rand @obs];
		2812	} else {
		2813	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2814	}
		2815	# else put us there anyways for now #d#
		2816
		2817	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2818	} else {
		2819	($path, $x, $y) = (undef, undef, undef);
		2820	}
		2821	}
		2822
2350	my $map = eval {	2823	my $map = eval {
2351	my $map = cf::map::find $path;	2824	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2352		2825
2353	if ($map) {	2826	if ($map) {
2354	$map = $map->customise_for ($self);	2827	$map = $map->customise_for ($self);
2355	$map = $check->($map) if $check && $map;	2828	$map = $check->($map, $x, $y, $self) if $check && $map;
2356	} else {	2829	} else {
2357	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2830	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2358	}	2831	}
2359		2832
2360	$map	2833	$map
2361	};	2834	};
2362		2835
…		…
2368	if ($gen == $self->{_goto_generation}) {	2841	if ($gen == $self->{_goto_generation}) {
2369	delete $self->{_goto_generation};	2842	delete $self->{_goto_generation};
2370	$self->leave_link ($map, $x, $y);	2843	$self->leave_link ($map, $x, $y);
2371	}	2844	}
2372		2845
2373	$done->() if $done;	2846	$done->($self) if $done;
2374	})->prio (1);	2847	})->prio (1);
2375	}	2848	}
2376		2849
2377	=item $player_object->enter_exit ($exit_object)	2850	=item $player_object->enter_exit ($exit_object)
2378		2851
…		…
2398	}	2871	}
2399		2872
2400	sub prepare_random_map {	2873	sub prepare_random_map {
2401	my ($exit) = @_;	2874	my ($exit) = @_;
2402		2875
2403	my $guard = cf::lock_acquire "exit_prepare:$exit";
2404
2405	# all this does is basically replace the /! path by	2876	# all this does is basically replace the /! path by
2406	# a new random map path (?random/...) with a seed	2877	# a new random map path (?random/...) with a seed
2407	# that depends on the exit object	2878	# that depends on the exit object
2408		2879
2409	my $rmp = parse_random_map_params $exit->msg;	2880	my $rmp = parse_random_map_params $exit->msg;
…		…
2411	if ($exit->map) {	2882	if ($exit->map) {
2412	$rmp->{region} = $exit->region->name;	2883	$rmp->{region} = $exit->region->name;
2413	$rmp->{origin_map} = $exit->map->path;	2884	$rmp->{origin_map} = $exit->map->path;
2414	$rmp->{origin_x} = $exit->x;	2885	$rmp->{origin_x} = $exit->x;
2415	$rmp->{origin_y} = $exit->y;	2886	$rmp->{origin_y} = $exit->y;
		2887
		2888	$exit->map->touch;
2416	}	2889	}
2417		2890
2418	$rmp->{random_seed} ||= $exit->random_seed;	2891	$rmp->{random_seed} ||= $exit->random_seed;
2419		2892
2420	my $data = cf::to_json $rmp;	2893	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2421	my $md5 = Digest::MD5::md5_hex $data;	2894	my $md5 = Digest::MD5::md5_hex $data;
2422	my $meta = "$RANDOMDIR/$md5.meta";	2895	my $meta = "$RANDOMDIR/$md5.meta";
2423		2896
2424	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2897	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2425	aio_write $fh, 0, (length $data), $data, 0;	2898	aio_write $fh, 0, (length $data), $data, 0;
2426	undef $fh;	2899	undef $fh;
2427	aio_rename "$meta~", $meta;	2900	aio_rename "$meta~", $meta;
2428		2901
		2902	my $slaying = "?random/$md5";
		2903
		2904	if ($exit->valid) {
2429	$exit->slaying ("?random/$md5");	2905	$exit->slaying ("?random/$md5");
2430	$exit->msg (undef);	2906	$exit->msg (undef);
		2907	}
2431	}	2908	}
2432	}	2909	}
2433		2910
2434	sub cf::object::player::enter_exit {	2911	sub cf::object::player::enter_exit {
2435	my ($self, $exit) = @_;	2912	my ($self, $exit) = @_;
2436		2913
2437	return unless $self->type == cf::PLAYER;	2914	return unless $self->type == cf::PLAYER;
2438		2915
2439	if ($exit->slaying eq "/!") {
2440	#TODO: this should de-fi-ni-te-ly not be a sync-job
2441	# the problem is that $exit might not survive long enough
2442	# so it needs to be done right now, right here
2443	cf::sync_job { prepare_random_map $exit };
2444	}
2445
2446	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2447	my $hp = $exit->stats->hp;
2448	my $sp = $exit->stats->sp;
2449
2450	$self->enter_link;	2916	$self->enter_link;
2451		2917
2452	# if exit is damned, update players death & WoR home-position
2453	$self->contr->savebed ($slaying, $hp, $sp)
2454	if $exit->flag (FLAG_DAMNED);
2455
2456	(async {	2918	(async {
2457	$self->deactivate_recursive; # just to be sure	2919	$Coro::current->{desc} = "enter_exit";
		2920
2458	unless (eval {	2921	unless (eval {
		2922	$self->deactivate_recursive; # just to be sure
		2923
		2924	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2925	my $x = $exit->stats->hp;
		2926	my $y = $exit->stats->sp;
		2927
		2928	# special map handling
		2929	my $slaying = $exit->slaying;
		2930
		2931	# special map handling
		2932	if ($slaying eq "/!") {
		2933	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2934
		2935	prepare_random_map $exit
		2936	if $slaying eq "/!"; # need to re-check after getting the lock
		2937
		2938	} elsif ($slaying eq '!up') {
		2939	$map = $exit->map->tile_path (cf::TILE_UP);
		2940	$x = $exit->x;
		2941	$y = $exit->y;
		2942
		2943	} elsif ($slaying eq '!down') {
		2944	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2945	$x = $exit->x;
		2946	$y = $exit->y;
		2947	}
		2948
2459	$self->goto ($slaying, $hp, $sp);	2949	$self->goto ($map, $x, $y);
2460		2950
		2951	# if exit is damned, update players death & WoR home-position
		2952	$self->contr->savebed ($map, $x, $y)
		2953	if $exit->flag (cf::FLAG_DAMNED);
		2954
2461	1;	2955	1
2462	}) {	2956	}) {
2463	$self->message ("Something went wrong deep within the crossfire server. "	2957	$self->message ("Something went wrong deep within the deliantra server. "
2464	. "I'll try to bring you back to the map you were before. "	2958	. "I'll try to bring you back to the map you were before. "
2465	. "Please report this to the dungeon master!",	2959	. "Please report this to the dungeon master!",
2466	cf::NDI_UNIQUE | cf::NDI_RED);	2960	cf::NDI_UNIQUE | cf::NDI_RED);
2467		2961
2468	warn "ERROR in enter_exit: $@";	2962	error "ERROR in enter_exit: $@";
2469	$self->leave_link;	2963	$self->leave_link;
2470	}	2964	}
2471	})->prio (1);	2965	})->prio (1);
2472	}	2966	}
2473		2967
…		…
2485	sub cf::client::send_drawinfo {	2979	sub cf::client::send_drawinfo {
2486	my ($self, $text, $flags) = @_;	2980	my ($self, $text, $flags) = @_;
2487		2981
2488	utf8::encode $text;	2982	utf8::encode $text;
2489	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2983	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2984	}
		2985
		2986	=item $client->send_big_packet ($pkt)
		2987
		2988	Like C<send_packet>, but tries to compress large packets, and fragments
		2989	them as required.
		2990
		2991	=cut
		2992
		2993	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2994
		2995	sub cf::client::send_big_packet {
		2996	my ($self, $pkt) = @_;
		2997
		2998	# try lzf for large packets
		2999	$pkt = "lzf " . Compress::LZF::compress $pkt
		3000	if 1024 <= length $pkt and $self->{can_lzf};
		3001
		3002	# split very large packets
		3003	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3004	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3005	$pkt = "frag";
		3006	}
		3007
		3008	$self->send_packet ($pkt);
2490	}	3009	}
2491		3010
2492	=item $client->send_msg ($channel, $msg, $color, [extra...])	3011	=item $client->send_msg ($channel, $msg, $color, [extra...])
2493		3012
2494	Send a drawinfo or msg packet to the client, formatting the msg for the	3013	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2496	the message, with C<log> being the default. If C<$color> is negative, suppress	3015	the message, with C<log> being the default. If C<$color> is negative, suppress
2497	the message unless the client supports the msg packet.	3016	the message unless the client supports the msg packet.
2498		3017
2499	=cut	3018	=cut
2500		3019
		3020	# non-persistent channels (usually the info channel)
		3021	our %CHANNEL = (
		3022	"c/motd" => {
		3023	id => "infobox",
		3024	title => "MOTD",
		3025	reply => undef,
		3026	tooltip => "The message of the day",
		3027	},
		3028	"c/identify" => {
		3029	id => "infobox",
		3030	title => "Identify",
		3031	reply => undef,
		3032	tooltip => "Items recently identified",
		3033	},
		3034	"c/examine" => {
		3035	id => "infobox",
		3036	title => "Examine",
		3037	reply => undef,
		3038	tooltip => "Signs and other items you examined",
		3039	},
		3040	"c/shopinfo" => {
		3041	id => "infobox",
		3042	title => "Shop Info",
		3043	reply => undef,
		3044	tooltip => "What your bargaining skill tells you about the shop",
		3045	},
		3046	"c/book" => {
		3047	id => "infobox",
		3048	title => "Book",
		3049	reply => undef,
		3050	tooltip => "The contents of a note or book",
		3051	},
		3052	"c/lookat" => {
		3053	id => "infobox",
		3054	title => "Look",
		3055	reply => undef,
		3056	tooltip => "What you saw there",
		3057	},
		3058	"c/who" => {
		3059	id => "infobox",
		3060	title => "Players",
		3061	reply => undef,
		3062	tooltip => "Shows players who are currently online",
		3063	},
		3064	"c/body" => {
		3065	id => "infobox",
		3066	title => "Body Parts",
		3067	reply => undef,
		3068	tooltip => "Shows which body parts you posess and are available",
		3069	},
		3070	"c/statistics" => {
		3071	id => "infobox",
		3072	title => "Statistics",
		3073	reply => undef,
		3074	tooltip => "Shows your primary statistics",
		3075	},
		3076	"c/skills" => {
		3077	id => "infobox",
		3078	title => "Skills",
		3079	reply => undef,
		3080	tooltip => "Shows your experience per skill and item power",
		3081	},
		3082	"c/shopitems" => {
		3083	id => "infobox",
		3084	title => "Shop Items",
		3085	reply => undef,
		3086	tooltip => "Shows the items currently for sale in this shop",
		3087	},
		3088	"c/resistances" => {
		3089	id => "infobox",
		3090	title => "Resistances",
		3091	reply => undef,
		3092	tooltip => "Shows your resistances",
		3093	},
		3094	"c/pets" => {
		3095	id => "infobox",
		3096	title => "Pets",
		3097	reply => undef,
		3098	tooltip => "Shows information abotu your pets/a specific pet",
		3099	},
		3100	"c/perceiveself" => {
		3101	id => "infobox",
		3102	title => "Perceive Self",
		3103	reply => undef,
		3104	tooltip => "You gained detailed knowledge about yourself",
		3105	},
		3106	"c/uptime" => {
		3107	id => "infobox",
		3108	title => "Uptime",
		3109	reply => undef,
		3110	tooltip => "How long the server has been running since last restart",
		3111	},
		3112	"c/mapinfo" => {
		3113	id => "infobox",
		3114	title => "Map Info",
		3115	reply => undef,
		3116	tooltip => "Information related to the maps",
		3117	},
		3118	"c/party" => {
		3119	id => "party",
		3120	title => "Party",
		3121	reply => "gsay ",
		3122	tooltip => "Messages and chat related to your party",
		3123	},
		3124	"c/death" => {
		3125	id => "death",
		3126	title => "Death",
		3127	reply => undef,
		3128	tooltip => "Reason for and more info about your most recent death",
		3129	},
		3130	"c/say" => $SAY_CHANNEL,
		3131	"c/chat" => $CHAT_CHANNEL,
		3132	);
		3133
2501	sub cf::client::send_msg {	3134	sub cf::client::send_msg {
2502	my ($self, $channel, $msg, $color, @extra) = @_;	3135	my ($self, $channel, $msg, $color, @extra) = @_;
2503		3136
2504	$msg = $self->pl->expand_cfpod ($msg);	3137	$msg = $self->pl->expand_cfpod ($msg)
		3138	unless $color & cf::NDI_VERBATIM;
2505		3139
2506	$color &= cf::NDI_CLIENT_MASK; # just in case...	3140	$color &= cf::NDI_CLIENT_MASK; # just in case...
2507		3141
		3142	# check predefined channels, for the benefit of C
		3143	if ($CHANNEL{$channel}) {
		3144	$channel = $CHANNEL{$channel};
		3145
		3146	$self->ext_msg (channel_info => $channel);
		3147	$channel = $channel->{id};
		3148
2508	if (ref $channel) {	3149	} elsif (ref $channel) {
2509	# send meta info to client, if not yet sent	3150	# send meta info to client, if not yet sent
2510	unless (exists $self->{channel}{$channel->{id}}) {	3151	unless (exists $self->{channel}{$channel->{id}}) {
2511	$self->{channel}{$channel->{id}} = $channel;	3152	$self->{channel}{$channel->{id}} = $channel;
2512	$self->ext_msg (channel_info => $channel);	3153	$self->ext_msg (channel_info => $channel);
2513	}	3154	}
…		…
2515	$channel = $channel->{id};	3156	$channel = $channel->{id};
2516	}	3157	}
2517		3158
2518	return unless @extra || length $msg;	3159	return unless @extra || length $msg;
2519		3160
2520	if ($self->can_msg) {
2521	# default colour, mask it out	3161	# default colour, mask it out
2522	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3162	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2523	if $color & cf::NDI_DEF;	3163	if $color & cf::NDI_DEF;
2524		3164
2525	$self->send_packet ("msg " . $self->{json_coder}->encode (	3165	my $pkt = "msg "
		3166	. $self->{json_coder}->encode (
2526	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3167	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2527	} else {	3168	);
2528	if ($color >= 0) {
2529	# replace some tags by gcfclient-compatible ones
2530	for ($msg) {
2531	1 while
2532	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2533	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2534	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2535	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2536	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2537	}
2538		3169
2539	$color &= cf::NDI_COLOR_MASK;	3170	$self->send_big_packet ($pkt);
2540
2541	utf8::encode $msg;
2542
2543	if (0 && $msg =~ /\[/) {
2544	# COMMAND/INFO
2545	$self->send_packet ("drawextinfo $color 10 8 $msg")
2546	} else {
2547	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2548	$self->send_packet ("drawinfo $color $msg")
2549	}
2550	}
2551	}
2552	}	3171	}
2553		3172
2554	=item $client->ext_msg ($type, @msg)	3173	=item $client->ext_msg ($type, @msg)
2555		3174
2556	Sends an ext event to the client.	3175	Sends an ext event to the client.
…		…
2558	=cut	3177	=cut
2559		3178
2560	sub cf::client::ext_msg($$@) {	3179	sub cf::client::ext_msg($$@) {
2561	my ($self, $type, @msg) = @_;	3180	my ($self, $type, @msg) = @_;
2562		3181
2563	my $extcmd = $self->extcmd;
2564
2565	if ($extcmd == 2) {	3182	if ($self->extcmd == 2) {
2566	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3183	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2567	} elsif ($extcmd == 1) { # TODO: remove	3184	} elsif ($self->extcmd == 1) { # TODO: remove
2568	push @msg, msgtype => "event_$type";	3185	push @msg, msgtype => "event_$type";
2569	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3186	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2570	}	3187	}
2571	}	3188	}
2572		3189
2573	=item $client->ext_reply ($msgid, @msg)	3190	=item $client->ext_reply ($msgid, @msg)
2574		3191
…		…
2578		3195
2579	sub cf::client::ext_reply($$@) {	3196	sub cf::client::ext_reply($$@) {
2580	my ($self, $id, @msg) = @_;	3197	my ($self, $id, @msg) = @_;
2581		3198
2582	if ($self->extcmd == 2) {	3199	if ($self->extcmd == 2) {
2583	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3200	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2584	} elsif ($self->ns->extcmd == 1) {	3201	} elsif ($self->extcmd == 1) {
2585	#TODO: version 1, remove	3202	#TODO: version 1, remove
2586	unshift @msg, msgtype => "reply", msgid => $id;	3203	unshift @msg, msgtype => "reply", msgid => $id;
2587	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3204	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2588	}	3205	}
2589	}	3206	}
2590		3207
2591	=item $success = $client->query ($flags, "text", \&cb)	3208	=item $success = $client->query ($flags, "text", \&cb)
2592		3209
…		…
2663		3280
2664	$ns->ext_reply ($reply, @reply)	3281	$ns->ext_reply ($reply, @reply)
2665	if $reply;	3282	if $reply;
2666		3283
2667	} else {	3284	} else {
2668	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3285	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2669	}	3286	}
2670		3287
2671	cf::override;	3288	cf::override;
2672	},	3289	},
2673	);	3290	);
…		…
2693		3310
2694	$coro	3311	$coro
2695	}	3312	}
2696		3313
2697	cf::client->attach (	3314	cf::client->attach (
2698	on_destroy => sub {	3315	on_client_destroy => sub {
2699	my ($ns) = @_;	3316	my ($ns) = @_;
2700		3317
2701	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3318	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2702	},	3319	},
2703	);	3320	);
…		…
2719	our $safe_hole = new Safe::Hole;	3336	our $safe_hole = new Safe::Hole;
2720		3337
2721	$SIG{FPE} = 'IGNORE';	3338	$SIG{FPE} = 'IGNORE';
2722		3339
2723	$safe->permit_only (Opcode::opset qw(	3340	$safe->permit_only (Opcode::opset qw(
2724	:base_core :base_mem :base_orig :base_math	3341	:base_core :base_mem :base_orig :base_math :base_loop
2725	grepstart grepwhile mapstart mapwhile	3342	grepstart grepwhile mapstart mapwhile
2726	sort time	3343	sort time
2727	));	3344	));
2728		3345
2729	# here we export the classes and methods available to script code	3346	# here we export the classes and methods available to script code
…		…
2731	=pod	3348	=pod
2732		3349
2733	The following functions and methods are available within a safe environment:	3350	The following functions and methods are available within a safe environment:
2734		3351
2735	cf::object	3352	cf::object
2736	contr pay_amount pay_player map x y force_find force_add	3353	contr pay_amount pay_player map x y force_find force_add destroy
2737	insert remove name archname title slaying race decrease_ob_nr	3354	insert remove name archname title slaying race decrease split
		3355	value
2738		3356
2739	cf::object::player	3357	cf::object::player
2740	player	3358	player
2741		3359
2742	cf::player	3360	cf::player
…		…
2747		3365
2748	=cut	3366	=cut
2749		3367
2750	for (	3368	for (
2751	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3369	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2752	insert remove inv name archname title slaying race	3370	insert remove inv nrof name archname title slaying race
2753	decrease_ob_nr)],	3371	decrease split destroy change_exp value msg lore send_msg)],
2754	["cf::object::player" => qw(player)],	3372	["cf::object::player" => qw(player)],
2755	["cf::player" => qw(peaceful)],	3373	["cf::player" => qw(peaceful send_msg)],
2756	["cf::map" => qw(trigger)],	3374	["cf::map" => qw(trigger)],
2757	) {	3375	) {
2758	no strict 'refs';
2759	my ($pkg, @funs) = @$_;	3376	my ($pkg, @funs) = @$_;
2760	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3377	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2761	for @funs;	3378	for @funs;
2762	}	3379	}
2763		3380
…		…
2778		3395
2779	my $qcode = $code;	3396	my $qcode = $code;
2780	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3397	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2781	$qcode =~ s/\n/\\n/g;	3398	$qcode =~ s/\n/\\n/g;
2782		3399
		3400	%vars = (_dummy => 0) unless %vars;
		3401
		3402	my @res;
2783	local $_;	3403	local $_;
2784	local @safe::cf::_safe_eval_args = values %vars;
2785		3404
2786	my $eval =	3405	my $eval =
2787	"do {\n"	3406	"do {\n"
2788	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3407	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2789	. "#line 0 \"{$qcode}\"\n"	3408	. "#line 0 \"{$qcode}\"\n"
2790	. $code	3409	. $code
2791	. "\n}"	3410	. "\n}"
2792	;	3411	;
2793		3412
		3413	if ($CFG{safe_eval}) {
2794	sub_generation_inc;	3414	sub_generation_inc;
		3415	local @safe::cf::_safe_eval_args = values %vars;
2795	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3416	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2796	sub_generation_inc;	3417	sub_generation_inc;
		3418	} else {
		3419	local @cf::_safe_eval_args = values %vars;
		3420	@res = wantarray ? eval eval : scalar eval $eval;
		3421	}
2797		3422
2798	if ($@) {	3423	if ($@) {
2799	warn "$@";	3424	warn "$@",
2800	warn "while executing safe code '$code'\n";	3425	"while executing safe code '$code'\n",
2801	warn "with arguments " . (join " ", %vars) . "\n";	3426	"with arguments " . (join " ", %vars) . "\n";
2802	}	3427	}
2803		3428
2804	wantarray ? @res : $res[0]	3429	wantarray ? @res : $res[0]
2805	}	3430	}
2806		3431
…		…
2820	=cut	3445	=cut
2821		3446
2822	sub register_script_function {	3447	sub register_script_function {
2823	my ($fun, $cb) = @_;	3448	my ($fun, $cb) = @_;
2824		3449
2825	no strict 'refs';	3450	$fun = "safe::$fun" if $CFG{safe_eval};
2826	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3451	*$fun = $safe_hole->wrap ($cb);
2827	}	3452	}
2828		3453
2829	=back	3454	=back
2830		3455
2831	=cut	3456	=cut
…		…
2834	# the server's init and main functions	3459	# the server's init and main functions
2835		3460
2836	sub load_facedata($) {	3461	sub load_facedata($) {
2837	my ($path) = @_;	3462	my ($path) = @_;
2838		3463
		3464	# HACK to clear player env face cache, we need some signal framework
		3465	# for this (global event?)
		3466	%ext::player_env::MUSIC_FACE_CACHE = ();
		3467
2839	my $enc = JSON::XS->new->utf8->canonical;	3468	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2840		3469
2841	warn "loading facedata from $path\n";	3470	trace "loading facedata from $path\n";
2842		3471
2843	my $facedata;	3472	my $facedata = decode_storable load_file $path;
2844	0 < aio_load $path, $facedata
2845	or die "$path: $!";
2846
2847	$facedata = Coro::Storable::thaw $facedata;
2848		3473
2849	$facedata->{version} == 2	3474	$facedata->{version} == 2
2850	or cf::cleanup "$path: version mismatch, cannot proceed.";	3475	or cf::cleanup "$path: version mismatch, cannot proceed.";
2851		3476
2852	# patch in the exptable	3477	# patch in the exptable
		3478	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2853	$facedata->{resource}{"res/exp_table"} = {	3479	$facedata->{resource}{"res/exp_table"} = {
2854	type => FT_RSRC,	3480	type => FT_RSRC,
2855	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3481	data => $exp_table,
		3482	hash => (Digest::MD5::md5 $exp_table),
2856	};	3483	};
2857	cf::cede_to_tick;	3484	cf::cede_to_tick;
2858		3485
2859	{	3486	{
2860	my $faces = $facedata->{faceinfo};	3487	my $faces = $facedata->{faceinfo};
2861		3488
2862	while (my ($face, $info) = each %$faces) {	3489	while (my ($face, $info) = each %$faces) {
2863	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3490	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3491
2864	cf::face::set_visibility $idx, $info->{visibility};	3492	cf::face::set_visibility $idx, $info->{visibility};
2865	cf::face::set_magicmap $idx, $info->{magicmap};	3493	cf::face::set_magicmap $idx, $info->{magicmap};
2866	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3494	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2867	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3495	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3496	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2868		3497
2869	cf::cede_to_tick;	3498	cf::cede_to_tick;
2870	}	3499	}
2871		3500
2872	while (my ($face, $info) = each %$faces) {	3501	while (my ($face, $info) = each %$faces) {
2873	next unless $info->{smooth};	3502	next unless $info->{smooth};
		3503
2874	my $idx = cf::face::find $face	3504	my $idx = cf::face::find $face
2875	or next;	3505	or next;
		3506
2876	if (my $smooth = cf::face::find $info->{smooth}) {	3507	if (my $smooth = cf::face::find $info->{smooth}) {
2877	cf::face::set_smooth $idx, $smooth;	3508	cf::face::set_smooth $idx, $smooth;
2878	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3509	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2879	} else {	3510	} else {
2880	warn "smooth face '$info->{smooth}' not found for face '$face'";	3511	error "smooth face '$info->{smooth}' not found for face '$face'";
2881	}	3512	}
2882		3513
2883	cf::cede_to_tick;	3514	cf::cede_to_tick;
2884	}	3515	}
2885	}	3516	}
…		…
2894		3525
2895	cf::anim::invalidate_all; # d'oh	3526	cf::anim::invalidate_all; # d'oh
2896	}	3527	}
2897		3528
2898	{	3529	{
2899	# TODO: for gcfclient pleasure, we should give resources
2900	# that gcfclient doesn't grok a >10000 face index.
2901	my $res = $facedata->{resource};	3530	my $res = $facedata->{resource};
2902		3531
2903	my $soundconf = delete $res->{"res/sound.conf"};
2904
2905	while (my ($name, $info) = each %$res) {	3532	while (my ($name, $info) = each %$res) {
		3533	if (defined $info->{type}) {
2906	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3534	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2907	my $data;
2908		3535
2909	if ($info->{type} & 1) {	3536	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2910	# prepend meta info	3537	cf::face::set_type $idx, $info->{type};
2911
2912	my $meta = $enc->encode ({
2913	name => $name,
2914	%{ $info->{meta} || {} },
2915	});
2916
2917	$data = pack "(w/a*)*", $meta, $info->{data};
2918	} else {	3538	} else {
2919	$data = $info->{data};	3539	$RESOURCE{$name} = $info; # unused
2920	}	3540	}
2921		3541
2922	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2923	cf::face::set_type $idx, $info->{type};
2924
2925	cf::cede_to_tick;	3542	cf::cede_to_tick;
2926	}	3543	}
2927
2928	if ($soundconf) {
2929	$soundconf = $enc->decode (delete $soundconf->{data});
2930
2931	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2932	my $sound = $soundconf->{compat}[$_]
2933	or next;
2934
2935	my $face = cf::face::find "sound/$sound->[1]";
2936	cf::sound::set $sound->[0] => $face;
2937	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2938	}
2939
2940	while (my ($k, $v) = each %{$soundconf->{event}}) {
2941	my $face = cf::face::find "sound/$v";
2942	cf::sound::set $k => $face;
2943	}
2944	}
2945	}	3544	}
		3545
		3546	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2946		3547
2947	1	3548	1
2948	}	3549	}
2949		3550
2950	register_exticmd fx_want => sub {	3551	register_exticmd fx_want => sub {
…		…
2953	while (my ($k, $v) = each %$want) {	3554	while (my ($k, $v) = each %$want) {
2954	$ns->fx_want ($k, $v);	3555	$ns->fx_want ($k, $v);
2955	}	3556	}
2956	};	3557	};
2957		3558
		3559	sub load_resource_file($) {
		3560	my $guard = lock_acquire "load_resource_file";
		3561
		3562	my $status = load_resource_file_ $_[0];
		3563	get_slot 0.1, 100;
		3564	cf::arch::commit_load;
		3565
		3566	$status
		3567	}
		3568
2958	sub reload_regions {	3569	sub reload_regions {
		3570	# HACK to clear player env face cache, we need some signal framework
		3571	# for this (global event?)
		3572	%ext::player_env::MUSIC_FACE_CACHE = ();
		3573
2959	load_resource_file "$MAPDIR/regions"	3574	load_resource_file "$MAPDIR/regions"
2960	or die "unable to load regions file\n";	3575	or die "unable to load regions file\n";
2961		3576
2962	for (cf::region::list) {	3577	for (cf::region::list) {
2963	$_->{match} = qr/$_->{match}/	3578	$_->{match} = qr/$_->{match}/
…		…
2971	}	3586	}
2972		3587
2973	sub reload_archetypes {	3588	sub reload_archetypes {
2974	load_resource_file "$DATADIR/archetypes"	3589	load_resource_file "$DATADIR/archetypes"
2975	or die "unable to load archetypes\n";	3590	or die "unable to load archetypes\n";
2976	#d# NEED to laod twice to resolve forward references
2977	# this really needs to be done in an extra post-pass
2978	# (which needs to be synchronous, so solve it differently)
2979	load_resource_file "$DATADIR/archetypes"
2980	or die "unable to load archetypes\n";
2981	}	3591	}
2982		3592
2983	sub reload_treasures {	3593	sub reload_treasures {
2984	load_resource_file "$DATADIR/treasures"	3594	load_resource_file "$DATADIR/treasures"
2985	or die "unable to load treasurelists\n";	3595	or die "unable to load treasurelists\n";
2986	}	3596	}
2987		3597
		3598	sub reload_sound {
		3599	trace "loading sound config from $DATADIR/sound\n";
		3600
		3601	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3602
		3603	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3604	my $sound = $soundconf->{compat}[$_]
		3605	or next;
		3606
		3607	my $face = cf::face::find "sound/$sound->[1]";
		3608	cf::sound::set $sound->[0] => $face;
		3609	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3610	}
		3611
		3612	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3613	my $face = cf::face::find "sound/$v";
		3614	cf::sound::set $k => $face;
		3615	}
		3616	}
		3617
2988	sub reload_resources {	3618	sub reload_resources {
2989	warn "reloading resource files...\n";	3619	trace "reloading resource files...\n";
2990		3620
		3621	reload_exp_table;
		3622	reload_materials;
		3623	reload_facedata;
		3624	reload_sound;
		3625	reload_archetypes;
2991	reload_regions;	3626	reload_regions;
2992	reload_facedata;
2993	#reload_archetypes;#d#
2994	reload_archetypes;
2995	reload_treasures;	3627	reload_treasures;
2996		3628
2997	warn "finished reloading resource files\n";	3629	trace "finished reloading resource files\n";
2998	}	3630	}
2999		3631
3000	sub init {	3632	sub reload_config {
3001	reload_resources;	3633	trace "reloading config file...\n";
3002	}
3003		3634
3004	sub cfg_load {	3635	my $config = load_file "$CONFDIR/config";
3005	open my $fh, "<:utf8", "$CONFDIR/config"	3636	utf8::decode $config;
3006	or return;	3637	*CFG = decode_yaml $config;
3007		3638
3008	local $/;
3009	*CFG = YAML::Syck::Load <$fh>;
3010
3011	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3639	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3012		3640
3013	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3641	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3014	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3642	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3015		3643
3016	if (exists $CFG{mlockall}) {	3644	if (exists $CFG{mlockall}) {
…		…
3020	};	3648	};
3021	warn $@ if $@;	3649	warn $@ if $@;
3022	}	3650	}
3023	}	3651	}
3024		3652
		3653	sub pidfile() {
		3654	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3655	or die "$PIDFILE: $!";
		3656	flock $fh, &Fcntl::LOCK_EX
		3657	or die "$PIDFILE: flock: $!";
		3658	$fh
		3659	}
		3660
		3661	# make sure only one server instance is running at any one time
		3662	sub atomic {
		3663	my $fh = pidfile;
		3664
		3665	my $pid = <$fh>;
		3666	kill 9, $pid if $pid > 0;
		3667
		3668	seek $fh, 0, 0;
		3669	print $fh $$;
		3670	}
		3671
		3672	sub main_loop {
		3673	trace "EV::loop starting\n";
		3674	if (1) {
		3675	EV::loop;
		3676	}
		3677	trace "EV::loop returned\n";
		3678	goto &main_loop unless $REALLY_UNLOOP;
		3679	}
		3680
3025	sub main {	3681	sub main {
		3682	cf::init_globals; # initialise logging
		3683
		3684	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3685	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3686	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3687	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3688
		3689	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3690
3026	# we must not ever block the main coroutine	3691	# we must not ever block the main coroutine
3027	local $Coro::idle = sub {	3692	local $Coro::idle = sub {
3028	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3693	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3029	(async {	3694	(async {
3030	Event::one_event;	3695	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3696	EV::loop EV::LOOP_ONESHOT;
3031	})->prio (Coro::PRIO_MAX);	3697	})->prio (Coro::PRIO_MAX);
3032	};	3698	};
3033		3699
3034	cfg_load;	3700	evthread_start IO::AIO::poll_fileno;
		3701
		3702	cf::sync_job {
		3703	cf::incloader::init ();
		3704
		3705	cf::init_anim;
		3706	cf::init_attackmess;
		3707	cf::init_dynamic;
		3708
		3709	cf::load_settings;
		3710
		3711	reload_resources;
		3712	reload_config;
3035	db_init;	3713	db_init;
		3714
		3715	cf::init_uuid;
		3716	cf::init_signals;
		3717	cf::init_skills;
		3718
		3719	cf::init_beforeplay;
		3720
		3721	atomic;
		3722
3036	load_extensions;	3723	load_extensions;
3037		3724
3038	$TICK_WATCHER->start;	3725	utime time, time, $RUNTIMEFILE;
3039	Event::loop;	3726
		3727	# no (long-running) fork's whatsoever before this point(!)
		3728	use POSIX ();
		3729	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3730
		3731	cf::_post_init 0;
		3732	};
		3733
		3734	cf::object::thawer::errors_are_fatal 0;
		3735	info "parse errors in files are no longer fatal from this point on.\n";
		3736
		3737	my $free_main; $free_main = EV::idle sub {
		3738	undef $free_main;
		3739	undef &main; # free gobs of memory :)
		3740	};
		3741
		3742	goto &main_loop;
3040	}	3743	}
3041		3744
3042	#############################################################################	3745	#############################################################################
3043	# initialisation and cleanup	3746	# initialisation and cleanup
3044		3747
3045	# install some emergency cleanup handlers	3748	# install some emergency cleanup handlers
3046	BEGIN {	3749	BEGIN {
		3750	our %SIGWATCHER = ();
3047	for my $signal (qw(INT HUP TERM)) {	3751	for my $signal (qw(INT HUP TERM)) {
3048	Event->signal (	3752	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3049	reentrant => 0,
3050	data => WF_AUTOCANCEL,
3051	signal => $signal,
3052	prio => 0,
3053	cb => sub {
3054	cf::cleanup "SIG$signal";	3753	cf::cleanup "SIG$signal";
3055	},
3056	);	3754	};
3057	}	3755	}
3058	}	3756	}
3059		3757
3060	sub write_runtime {	3758	sub write_runtime_sync {
3061	my $runtime = "$LOCALDIR/runtime";	3759	my $t0 = AE::time;
3062		3760
3063	# first touch the runtime file to show we are still running:	3761	# first touch the runtime file to show we are still running:
3064	# the fsync below can take a very very long time.	3762	# the fsync below can take a very very long time.
3065		3763
3066	IO::AIO::aio_utime $runtime, undef, undef;	3764	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3067		3765
3068	my $guard = cf::lock_acquire "write_runtime";	3766	my $guard = cf::lock_acquire "write_runtime";
3069		3767
3070	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3768	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3071	or return;	3769	or return;
3072		3770
3073	my $value = $cf::RUNTIME + 90 + 10;	3771	my $value = $cf::RUNTIME + 90 + 10;
3074	# 10 is the runtime save interval, for a monotonic clock	3772	# 10 is the runtime save interval, for a monotonic clock
3075	# 60 allows for the watchdog to kill the server.	3773	# 60 allows for the watchdog to kill the server.
…		…
3085	aio_utime $fh, undef, undef;	3783	aio_utime $fh, undef, undef;
3086		3784
3087	close $fh	3785	close $fh
3088	or return;	3786	or return;
3089		3787
3090	aio_rename "$runtime~", $runtime	3788	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3091	and return;	3789	and return;
3092		3790
3093	warn "runtime file written.\n";	3791	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3094		3792
3095	1	3793	1
		3794	}
		3795
		3796	our $uuid_lock;
		3797	our $uuid_skip;
		3798
		3799	sub write_uuid_sync($) {
		3800	$uuid_skip ||= $_[0];
		3801
		3802	return if $uuid_lock;
		3803	local $uuid_lock = 1;
		3804
		3805	my $uuid = "$LOCALDIR/uuid";
		3806
		3807	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3808	or return;
		3809
		3810	my $value = uuid_seq uuid_cur;
		3811
		3812	unless ($value) {
		3813	info "cowardly refusing to write zero uuid value!\n";
		3814	return;
		3815	}
		3816
		3817	my $value = uuid_str $value + $uuid_skip;
		3818	$uuid_skip = 0;
		3819
		3820	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3821	and return;
		3822
		3823	# always fsync - this file is important
		3824	aio_fsync $fh
		3825	and return;
		3826
		3827	close $fh
		3828	or return;
		3829
		3830	aio_rename "$uuid~", $uuid
		3831	and return;
		3832
		3833	trace "uuid file written ($value).\n";
		3834
		3835	1
		3836
		3837	}
		3838
		3839	sub write_uuid($$) {
		3840	my ($skip, $sync) = @_;
		3841
		3842	$sync ? write_uuid_sync $skip
		3843	: async { write_uuid_sync $skip };
3096	}	3844	}
3097		3845
3098	sub emergency_save() {	3846	sub emergency_save() {
3099	my $freeze_guard = cf::freeze_mainloop;	3847	my $freeze_guard = cf::freeze_mainloop;
3100		3848
3101	warn "enter emergency perl save\n";	3849	info "emergency_perl_save: enter\n";
		3850
		3851	# this is a trade-off: we want to be very quick here, so
		3852	# save all maps without fsync, and later call a global sync
		3853	# (which in turn might be very very slow)
		3854	local $USE_FSYNC = 0;
3102		3855
3103	cf::sync_job {	3856	cf::sync_job {
		3857	cf::write_runtime_sync; # external watchdog should not bark
		3858
3104	# use a peculiar iteration method to avoid tripping on perl	3859	# use a peculiar iteration method to avoid tripping on perl
3105	# refcount bugs in for. also avoids problems with players	3860	# refcount bugs in for. also avoids problems with players
3106	# and maps saved/destroyed asynchronously.	3861	# and maps saved/destroyed asynchronously.
3107	warn "begin emergency player save\n";	3862	info "emergency_perl_save: begin player save\n";
3108	for my $login (keys %cf::PLAYER) {	3863	for my $login (keys %cf::PLAYER) {
3109	my $pl = $cf::PLAYER{$login} or next;	3864	my $pl = $cf::PLAYER{$login} or next;
3110	$pl->valid or next;	3865	$pl->valid or next;
		3866	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3111	$pl->save;	3867	$pl->save;
3112	}	3868	}
3113	warn "end emergency player save\n";	3869	info "emergency_perl_save: end player save\n";
3114		3870
3115	warn "begin emergency map save\n";	3871	cf::write_runtime_sync; # external watchdog should not bark
		3872
		3873	info "emergency_perl_save: begin map save\n";
3116	for my $path (keys %cf::MAP) {	3874	for my $path (keys %cf::MAP) {
3117	my $map = $cf::MAP{$path} or next;	3875	my $map = $cf::MAP{$path} or next;
3118	$map->valid or next;	3876	$map->valid or next;
3119	$map->save;	3877	$map->save;
3120	}	3878	}
3121	warn "end emergency map save\n";	3879	info "emergency_perl_save: end map save\n";
3122		3880
3123	warn "begin emergency database checkpoint\n";	3881	cf::write_runtime_sync; # external watchdog should not bark
		3882
		3883	info "emergency_perl_save: begin database checkpoint\n";
3124	BDB::db_env_txn_checkpoint $DB_ENV;	3884	BDB::db_env_txn_checkpoint $DB_ENV;
3125	warn "end emergency database checkpoint\n";	3885	info "emergency_perl_save: end database checkpoint\n";
		3886
		3887	info "emergency_perl_save: begin write uuid\n";
		3888	write_uuid_sync 1;
		3889	info "emergency_perl_save: end write uuid\n";
		3890
		3891	cf::write_runtime_sync; # external watchdog should not bark
		3892
		3893	trace "emergency_perl_save: syncing database to disk";
		3894	BDB::db_env_txn_checkpoint $DB_ENV;
		3895
		3896	info "emergency_perl_save: starting sync\n";
		3897	IO::AIO::aio_sync sub {
		3898	info "emergency_perl_save: finished sync\n";
		3899	};
		3900
		3901	cf::write_runtime_sync; # external watchdog should not bark
		3902
		3903	trace "emergency_perl_save: flushing outstanding aio requests";
		3904	while (IO::AIO::nreqs || BDB::nreqs) {
		3905	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3906	}
		3907
		3908	cf::write_runtime_sync; # external watchdog should not bark
3126	};	3909	};
3127		3910
3128	warn "leave emergency perl save\n";	3911	info "emergency_perl_save: leave\n";
3129	}	3912	}
3130		3913
3131	sub post_cleanup {	3914	sub post_cleanup {
3132	my ($make_core) = @_;	3915	my ($make_core) = @_;
3133		3916
		3917	IO::AIO::flush;
		3918
3134	warn Carp::longmess "post_cleanup backtrace"	3919	error Carp::longmess "post_cleanup backtrace"
3135	if $make_core;	3920	if $make_core;
		3921
		3922	my $fh = pidfile;
		3923	unlink $PIDFILE if <$fh> == $$;
		3924	}
		3925
		3926	# a safer delete_package, copied from Symbol
		3927	sub clear_package($) {
		3928	my $pkg = shift;
		3929
		3930	# expand to full symbol table name if needed
		3931	unless ($pkg =~ /^main::.*::$/) {
		3932	$pkg = "main$pkg" if $pkg =~ /^::/;
		3933	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3934	$pkg .= '::' unless $pkg =~ /::$/;
		3935	}
		3936
		3937	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3938	my $stem_symtab = *{$stem}{HASH};
		3939
		3940	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3941	or return;
		3942
		3943	# clear all symbols
		3944	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3945	for my $name (keys %$leaf_symtab) {
		3946	_gv_clear *{"$pkg$name"};
		3947	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3948	}
3136	}	3949	}
3137		3950
3138	sub do_reload_perl() {	3951	sub do_reload_perl() {
3139	# can/must only be called in main	3952	# can/must only be called in main
3140	if ($Coro::current != $Coro::main) {	3953	unless (in_main) {
3141	warn "can only reload from main coroutine";	3954	error "can only reload from main coroutine";
3142	return;	3955	return;
3143	}	3956	}
3144		3957
3145	warn "reloading...";	3958	return if $RELOAD++;
3146		3959
3147	warn "entering sync_job";	3960	my $t1 = AE::time;
3148		3961
		3962	while ($RELOAD) {
		3963	cf::get_slot 0.1, -1, "reload_perl";
		3964	info "perl_reload: reloading...";
		3965
		3966	trace "perl_reload: entering sync_job";
		3967
3149	cf::sync_job {	3968	cf::sync_job {
3150	cf::write_runtime; # external watchdog should not bark
3151	cf::emergency_save;	3969	#cf::emergency_save;
3152	cf::write_runtime; # external watchdog should not bark
3153		3970
3154	warn "syncing database to disk";
3155	BDB::db_env_txn_checkpoint $DB_ENV;
3156
3157	# if anything goes wrong in here, we should simply crash as we already saved
3158
3159	warn "cancelling all WF_AUTOCANCEL watchers";
3160	for (Event::all_watchers) {
3161	$_->cancel if $_->data & WF_AUTOCANCEL;
3162	}
3163
3164	warn "flushing outstanding aio requests";
3165	for (;;) {
3166	BDB::flush;
3167	IO::AIO::flush;
3168	Coro::cede;
3169	last unless IO::AIO::nreqs || BDB::nreqs;
3170	warn "iterate...";
3171	}
3172
3173	++$RELOAD;
3174
3175	warn "cancelling all extension coros";	3971	trace "perl_reload: cancelling all extension coros";
3176	$_->cancel for values %EXT_CORO;	3972	$_->cancel for values %EXT_CORO;
3177	%EXT_CORO = ();	3973	%EXT_CORO = ();
3178		3974
3179	warn "removing commands";	3975	trace "perl_reload: removing commands";
3180	%COMMAND = ();	3976	%COMMAND = ();
3181		3977
3182	warn "removing ext/exti commands";	3978	trace "perl_reload: removing ext/exti commands";
3183	%EXTCMD = ();	3979	%EXTCMD = ();
3184	%EXTICMD = ();	3980	%EXTICMD = ();
3185		3981
3186	warn "unloading/nuking all extensions";	3982	trace "perl_reload: unloading/nuking all extensions";
3187	for my $pkg (@EXTS) {	3983	for my $pkg (@EXTS) {
3188	warn "... unloading $pkg";	3984	trace "... unloading $pkg";
3189		3985
3190	if (my $cb = $pkg->can ("unload")) {	3986	if (my $cb = $pkg->can ("unload")) {
3191	eval {	3987	eval {
3192	$cb->($pkg);	3988	$cb->($pkg);
3193	1	3989	1
3194	} or warn "$pkg unloaded, but with errors: $@";	3990	} or error "$pkg unloaded, but with errors: $@";
		3991	}
		3992
		3993	trace "... clearing $pkg";
		3994	clear_package $pkg;
3195	}	3995	}
3196		3996
3197	warn "... nuking $pkg";
3198	Symbol::delete_package $pkg;
3199	}
3200
3201	warn "unloading all perl modules loaded from $LIBDIR";	3997	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3202	while (my ($k, $v) = each %INC) {	3998	while (my ($k, $v) = each %INC) {
3203	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3999	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3204		4000
3205	warn "... unloading $k";	4001	trace "... unloading $k";
3206	delete $INC{$k};	4002	delete $INC{$k};
3207		4003
3208	$k =~ s/\.pm$//;	4004	$k =~ s/\.pm$//;
3209	$k =~ s/\//::/g;	4005	$k =~ s/\//::/g;
3210		4006
3211	if (my $cb = $k->can ("unload_module")) {	4007	if (my $cb = $k->can ("unload_module")) {
3212	$cb->();	4008	$cb->();
		4009	}
		4010
		4011	clear_package $k;
3213	}	4012	}
3214		4013
3215	Symbol::delete_package $k;
3216	}
3217
3218	warn "getting rid of safe::, as good as possible";	4014	trace "perl_reload: getting rid of safe::, as good as possible";
3219	Symbol::delete_package "safe::$_"	4015	clear_package "safe::$_"
3220	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4016	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3221		4017
3222	warn "unloading cf.pm \"a bit\"";	4018	trace "perl_reload: unloading cf.pm \"a bit\"";
3223	delete $INC{"cf.pm"};	4019	delete $INC{"cf.pm"};
3224	delete $INC{"cf/pod.pm"};	4020	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3225		4021
3226	# don't, removes xs symbols, too,	4022	# don't, removes xs symbols, too,
3227	# and global variables created in xs	4023	# and global variables created in xs
3228	#Symbol::delete_package __PACKAGE__;	4024	#clear_package __PACKAGE__;
3229		4025
3230	warn "unload completed, starting to reload now";	4026	info "perl_reload: unload completed, starting to reload now";
3231		4027
3232	warn "reloading cf.pm";	4028	trace "perl_reload: reloading cf.pm";
3233	require cf;	4029	require cf;
3234	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4030	cf::_connect_to_perl_1;
3235		4031
3236	warn "loading config and database again";	4032	trace "perl_reload: loading config and database again";
3237	cf::cfg_load;	4033	cf::reload_config;
3238		4034
3239	warn "loading extensions";	4035	trace "perl_reload: loading extensions";
3240	cf::load_extensions;	4036	cf::load_extensions;
3241		4037
		4038	if ($REATTACH_ON_RELOAD) {
3242	warn "reattaching attachments to objects/players";	4039	trace "perl_reload: reattaching attachments to objects/players";
3243	_global_reattach; # objects, sockets	4040	_global_reattach; # objects, sockets
3244	warn "reattaching attachments to maps";	4041	trace "perl_reload: reattaching attachments to maps";
3245	reattach $_ for values %MAP;	4042	reattach $_ for values %MAP;
3246	warn "reattaching attachments to players";	4043	trace "perl_reload: reattaching attachments to players";
3247	reattach $_ for values %PLAYER;	4044	reattach $_ for values %PLAYER;
		4045	}
3248		4046
3249	warn "leaving sync_job";	4047	cf::_post_init 1;
3250		4048
		4049	trace "perl_reload: leaving sync_job";
		4050
3251	1	4051	1
3252	} or do {	4052	} or do {
3253	warn $@;	4053	error $@;
3254	warn "error while reloading, exiting.";	4054	cf::cleanup "perl_reload: error, exiting.";
3255	exit 1;	4055	};
		4056
		4057	--$RELOAD;
3256	};	4058	}
3257		4059
3258	warn "reloaded";	4060	$t1 = AE::time - $t1;
		4061	info "perl_reload: completed in ${t1}s\n";
3259	};	4062	};
3260		4063
3261	our $RELOAD_WATCHER; # used only during reload	4064	our $RELOAD_WATCHER; # used only during reload
3262		4065
3263	sub reload_perl() {	4066	sub reload_perl() {
3264	# doing reload synchronously and two reloads happen back-to-back,	4067	# doing reload synchronously and two reloads happen back-to-back,
3265	# coro crashes during coro_state_free->destroy here.	4068	# coro crashes during coro_state_free->destroy here.
3266		4069
3267	$RELOAD_WATCHER ||= Event->timer (	4070	$RELOAD_WATCHER ||= cf::async {
3268	reentrant => 0,	4071	Coro::AIO::aio_wait cache_extensions;
3269	after => 0,	4072
3270	data => WF_AUTOCANCEL,	4073	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3271	cb => sub {
3272	do_reload_perl;	4074	do_reload_perl;
3273	undef $RELOAD_WATCHER;	4075	undef $RELOAD_WATCHER;
3274	},	4076	};
3275	);	4077	};
3276	}	4078	}
3277		4079
3278	register_command "reload" => sub {	4080	register_command "reload" => sub {
3279	my ($who, $arg) = @_;	4081	my ($who, $arg) = @_;
3280		4082
3281	if ($who->flag (FLAG_WIZ)) {	4083	if ($who->flag (FLAG_WIZ)) {
3282	$who->message ("reloading server.");	4084	$who->message ("reloading server.");
		4085	async {
		4086	$Coro::current->{desc} = "perl_reload";
3283	async { reload_perl };	4087	reload_perl;
		4088	};
3284	}	4089	}
3285	};	4090	};
3286		4091
3287	unshift @INC, $LIBDIR;	4092	#############################################################################
3288		4093
3289	my $bug_warning = 0;	4094	my $bug_warning = 0;
3290		4095
3291	our @WAIT_FOR_TICK;	4096	our @WAIT_FOR_TICK;
3292	our @WAIT_FOR_TICK_BEGIN;	4097	our @WAIT_FOR_TICK_BEGIN;
3293		4098
3294	sub wait_for_tick {	4099	sub wait_for_tick() {
3295	return unless $TICK_WATCHER->is_active;
3296	return if $Coro::current == $Coro::main;	4100	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3297		4101
3298	my $signal = new Coro::Signal;	4102	my $signal = new Coro::Signal;
3299	push @WAIT_FOR_TICK, $signal;	4103	push @WAIT_FOR_TICK, $signal;
3300	$signal->wait;	4104	$signal->wait;
3301	}	4105	}
3302		4106
3303	sub wait_for_tick_begin {	4107	sub wait_for_tick_begin() {
3304	return unless $TICK_WATCHER->is_active;
3305	return if $Coro::current == $Coro::main;	4108	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3306		4109
3307	my $signal = new Coro::Signal;	4110	my $signal = new Coro::Signal;
3308	push @WAIT_FOR_TICK_BEGIN, $signal;	4111	push @WAIT_FOR_TICK_BEGIN, $signal;
3309	$signal->wait;	4112	$signal->wait;
3310	}	4113	}
3311		4114
3312	my $min = 1e6;#d#	4115	sub tick {
3313	my $avg = 10;
3314	$TICK_WATCHER = Event->timer (
3315	reentrant => 0,
3316	parked => 1,
3317	prio => 0,
3318	at => $NEXT_TICK || $TICK,
3319	data => WF_AUTOCANCEL,
3320	cb => sub {
3321	if ($Coro::current != $Coro::main) {	4116	if ($Coro::current != $Coro::main) {
3322	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4117	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3323	unless ++$bug_warning > 10;	4118	unless ++$bug_warning > 10;
3324	return;	4119	return;
3325	}	4120	}
3326		4121
3327	$NOW = $tick_start = Event::time;
3328
3329	cf::server_tick; # one server iteration	4122	cf::server_tick; # one server iteration
3330		4123
3331	0 && sync_job {#d#	4124	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3332	for(1..10) {
3333	my $t = Event::time;
3334	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3335	or die;
3336		4125
3337	$map->width (50);	4126	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3338	$map->height (50);	4127	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3339	$map->alloc;	4128	Coro::async_pool {
3340	$map->_load_objects ("/tmp/x.map", 1);	4129	$Coro::current->{desc} = "runtime saver";
3341	my $t = Event::time - $t;	4130	write_runtime_sync
3342		4131	or error "ERROR: unable to write runtime file: $!";
3343	#next unless $t < 0.0013;#d#
3344	if ($t < $min) {
3345	$min = $t;
3346	}
3347	$avg = $avg * 0.99 + $t * 0.01;
3348	}
3349	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3350	exit 0;
3351	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3352	};	4132	};
		4133	}
3353		4134
3354	$RUNTIME += $TICK;
3355	$NEXT_TICK += $TICK;
3356
3357	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3358	$NEXT_RUNTIME_WRITE = $NOW + 10;
3359	Coro::async_pool {
3360	write_runtime
3361	or warn "ERROR: unable to write runtime file: $!";
3362	};
3363	}
3364
3365	# my $AFTER = Event::time;
3366	# warn $AFTER - $NOW;#d#
3367
3368	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4135	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3369	$sig->send;	4136	$sig->send;
3370	}	4137	}
3371	while (my $sig = shift @WAIT_FOR_TICK) {	4138	while (my $sig = shift @WAIT_FOR_TICK) {
3372	$sig->send;	4139	$sig->send;
3373	}	4140	}
3374		4141
3375	$NOW = Event::time;	4142	$LOAD = ($NOW - $TICK_START) / $TICK;
3376
3377	# if we are delayed by four ticks or more, skip them all
3378	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3379
3380	$TICK_WATCHER->at ($NEXT_TICK);
3381	$TICK_WATCHER->start;
3382
3383	$LOAD = ($NOW - $tick_start) / $TICK;
3384	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4143	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3385		4144
3386	_post_tick;	4145	if (0) {
3387		4146	if ($NEXT_TICK) {
3388		4147	my $jitter = $TICK_START - $NEXT_TICK;
		4148	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4149	debug "jitter $JITTER\n";#d#
		4150	}
3389	},	4151	}
3390	);	4152	}
3391		4153
3392	{	4154	{
3393	BDB::max_poll_time $TICK * 0.1;	4155	# configure BDB
3394	$BDB_POLL_WATCHER = Event->io (	4156
3395	reentrant => 0,
3396	fd => BDB::poll_fileno,
3397	poll => 'r',
3398	prio => 0,
3399	data => WF_AUTOCANCEL,
3400	cb => \&BDB::poll_cb,
3401	);
3402	BDB::min_parallel 8;	4157	BDB::min_parallel 16;
3403		4158	BDB::max_poll_reqs $TICK * 0.1;
3404	BDB::set_sync_prepare {	4159	$AnyEvent::BDB::WATCHER->priority (1);
3405	my $status;
3406	my $current = $Coro::current;
3407	(
3408	sub {
3409	$status = $!;
3410	$current->ready; undef $current;
3411	},
3412	sub {
3413	Coro::schedule while defined $current;
3414	$! = $status;
3415	},
3416	)
3417	};
3418		4160
3419	unless ($DB_ENV) {	4161	unless ($DB_ENV) {
3420	$DB_ENV = BDB::db_env_create;	4162	$DB_ENV = BDB::db_env_create;
		4163	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4164	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4165	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4166	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4167	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3421		4168
3422	cf::sync_job {	4169	cf::sync_job {
3423	eval {	4170	eval {
3424	BDB::db_env_open	4171	BDB::db_env_open
3425	$DB_ENV,	4172	$DB_ENV,
…		…
3427	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4174	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3428	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4175	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3429	0666;	4176	0666;
3430		4177
3431	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4178	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3432
3433	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3434	$DB_ENV->set_lk_detect;
3435	};	4179	};
3436		4180
3437	cf::cleanup "db_env_open(db): $@" if $@;	4181	cf::cleanup "db_env_open(db): $@" if $@;
3438	};	4182	};
3439	}	4183	}
		4184
		4185	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4186	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4187	};
		4188	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4189	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4190	};
		4191	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4192	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4193	};
3440	}	4194	}
3441		4195
3442	{	4196	{
		4197	# configure IO::AIO
		4198
3443	IO::AIO::min_parallel 8;	4199	IO::AIO::min_parallel 8;
3444
3445	undef $Coro::AIO::WATCHER;
3446	IO::AIO::max_poll_time $TICK * 0.1;	4200	IO::AIO::max_poll_time $TICK * 0.1;
3447	$AIO_POLL_WATCHER = Event->io (	4201	undef $AnyEvent::AIO::WATCHER;
3448	reentrant => 0,
3449	data => WF_AUTOCANCEL,
3450	fd => IO::AIO::poll_fileno,
3451	poll => 'r',
3452	prio => 6,
3453	cb => \&IO::AIO::poll_cb,
3454	);
3455	}	4202	}
3456		4203
3457	my $_log_backtrace;	4204	our $_log_backtrace;
		4205	our $_log_backtrace_last;
3458		4206
3459	sub _log_backtrace {	4207	sub _log_backtrace {
3460	my ($msg, @addr) = @_;	4208	my ($msg, @addr) = @_;
3461		4209
3462	$msg =~ s/\n//;	4210	$msg =~ s/\n$//;
3463		4211
		4212	if ($_log_backtrace_last eq $msg) {
		4213	LOG llevInfo, "[ABT] $msg\n";
		4214	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3464	# limit the # of concurrent backtraces	4215	# limit the # of concurrent backtraces
3465	if ($_log_backtrace < 2) {	4216	} elsif ($_log_backtrace < 2) {
		4217	$_log_backtrace_last = $msg;
3466	++$_log_backtrace;	4218	++$_log_backtrace;
		4219	my $perl_bt = Carp::longmess $msg;
3467	async {	4220	async {
		4221	$Coro::current->{desc} = "abt $msg";
		4222
3468	my @bt = fork_call {	4223	my @bt = fork_call {
3469	@addr = map { sprintf "%x", $_ } @addr;	4224	@addr = map { sprintf "%x", $_ } @addr;
3470	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4225	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3471	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4226	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3472	or die "addr2line: $!";	4227	or die "addr2line: $!";
…		…
3480	}	4235	}
3481		4236
3482	@funcs	4237	@funcs
3483	};	4238	};
3484		4239
3485	LOG llevInfo, "[ABT] $msg\n";	4240	LOG llevInfo, "[ABT] $perl_bt\n";
		4241	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3486	LOG llevInfo, "[ABT] $_\n" for @bt;	4242	LOG llevInfo, "[ABT] $_\n" for @bt;
3487	--$_log_backtrace;	4243	--$_log_backtrace;
3488	};	4244	};
3489	} else {	4245	} else {
3490	LOG llevInfo, "[ABT] $msg\n";	4246	LOG llevInfo, "[ABT] $msg\n";
3491	LOG llevInfo, "[ABT] [suppressed]\n";	4247	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3492	}	4248	}
3493	}	4249	}
3494		4250
3495	# load additional modules	4251	# load additional modules
3496	use cf::pod;	4252	require "cf/$_.pm" for @EXTRA_MODULES;
		4253	cf::_connect_to_perl_2;
3497		4254
3498	END { cf::emergency_save }	4255	END { cf::emergency_save }
3499		4256
3500	1	4257	1
3501		4258

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