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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.364 by root, Tue Sep 11 08:41:11 2007 UTC vs.
Revision 1.568 by root, Tue May 3 17:12:14 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.64 ();	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 ();	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
84	our $BDB_POLL_WATCHER;	126	our $BDB_DEADLOCK_WATCHER;
85	our $BDB_CHECKPOINT_WATCHER;	127	our $BDB_CHECKPOINT_WATCHER;
86	our $BDB_TRICKLE_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
87	our $DB_ENV;	129	our $DB_ENV;
88		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
89	our %CFG;	133	our %CFG;
90		134
91	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
92	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
93		138
94	our (%PLAYER, %PLAYER_LOADING); # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
95	our (%MAP, %MAP_LOADING ); # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
96	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
97		142
98	# 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 ∕
99	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
100		145
101	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)
102	our $LOADAVG; # same thing, but with alpha-smoothing	147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
103	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 $REALLY_UNLOOP; # never set to true, please :)
104		155
105	binmode STDOUT;	156	binmode STDOUT;
106	binmode STDERR;	157	binmode STDERR;
107		158
108	# read virtual server time, if available	159	# read virtual server time, if available
109	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
110	open my $fh, "<", "$LOCALDIR/runtime"	161	open my $fh, "<", $RUNTIMEFILE
111	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
112	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
113	}	164	}
		165
		166	eval "sub TICK() { $TICK } 1" or die;
114		167
115	mkdir $_	168	mkdir $_
116	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
117		170
118	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
119		172
120	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::"} };
121		189
122	#############################################################################	190	#############################################################################
123		191
124	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
125		193
…		…
161		229
162	The raw value load value from the last tick.	230	The raw value load value from the last tick.
163		231
164	=item %cf::CFG	232	=item %cf::CFG
165		233
166	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
167	from wherever your confdir points to.	235	from wherever your confdir points to.
168		236
169	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
170		238
171	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
172	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
173	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.
174		242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
175	=item @cf::INVOKE_RESULTS	248	=item @cf::INVOKE_RESULTS
176		249
177	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
178	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
179	that call.	252	that call.
180		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
181	=back	260	=back
182		261
183	=cut	262	=cut
184		263
185	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
186	*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 {
187	my $msg = join "", @_;	271	my $msg = join "", @_;
188		272
189	$msg .= "\n"	273	$msg .= "\n"
190	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
191		275
192	$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;
193		277
194	LOG llevError, $msg;	278	LOG llevWarn, $msg;
195	};	279	};
196	}	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	};
197		294
198	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
199	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
200	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
201	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
208	for my $pkg (qw(	305	for my $pkg (qw(
209	cf::global cf::attachable	306	cf::global cf::attachable
210	cf::object cf::object::player	307	cf::object cf::object::player
211	cf::client cf::player	308	cf::client cf::player
212	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
213	cf::map cf::party cf::region	311	cf::party cf::region
214	)) {	312	)) {
215	no strict 'refs';
216	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
217	}	314	}
218		315
219	$Event::DIED = sub {	316	$EV::DIED = sub {
220	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
221	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
222		324
223	#############################################################################	325	#############################################################################
224		326
225	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
226		328
…		…
247	$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;
248	$d	350	$d
249	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
250	}	352	}
251		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
252	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
253		369
254	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
255		371
256	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
257		373
258	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
259		375
260	=cut	376	=cut
261		377
262	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
263		379
264	sub to_json ($) { $json_coder->encode ($_[0]) }	380	sub encode_json($) { $json_coder->encode ($_[0]) }
265	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	}
266		444
267	=item cf::lock_wait $string	445	=item cf::lock_wait $string
268		446
269	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
270		448
271	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
272		450
273	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
274	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,
275	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
276	returned.	454	returned.
277		455
278	Locks are *not* recursive, locking from the same coro twice results in a	456	Locks are *not* recursive, locking from the same coro twice results in a
279	deadlocked coro.	457	deadlocked coro.
…		…
285		463
286	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.
287		465
288	=cut	466	=cut
289		467
290	our %LOCK;	468	our $LOCKS = new Coro::SemaphoreSet;
291	our %LOCKER;#d#
292		469
293	sub lock_wait($) {	470	sub lock_wait($) {
294	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
295
296	if ($LOCKER{$key} == $Coro::current) {#d#
297	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
298	return;#d#
299	}#d#
300
301	# wait for lock, if any
302	while ($LOCK{$key}) {
303	push @{ $LOCK{$key} }, $Coro::current;
304	Coro::schedule;
305	}
306	}	472	}
307		473
308	sub lock_acquire($) {	474	sub lock_acquire($) {
309	my ($key) = @_;	475	$LOCKS->guard ($_[0])
310
311	# wait, to be sure we are not locked
312	lock_wait $key;
313
314	$LOCK{$key} = [];
315	$LOCKER{$key} = $Coro::current;#d#
316
317	Coro::guard {
318	delete $LOCKER{$key};#d#
319	# wake up all waiters, to be on the safe side
320	$_->ready for @{ delete $LOCK{$key} };
321	}
322	}	476	}
323		477
324	sub lock_active($) {	478	sub lock_active($) {
325	my ($key) = @_;	479	$LOCKS->count ($_[0]) < 1
326
327	! ! $LOCK{$key}
328	}	480	}
329		481
330	sub freeze_mainloop {	482	sub freeze_mainloop {
331	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
332		484
333	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
334	$TICK_WATCHER->start;	486	}
335	};	487
336	$TICK_WATCHER->stop;	488	=item cf::periodic $interval, $cb
337	$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
338	}	501	}
339		502
340	=item cf::get_slot $time[, $priority[, $name]]	503	=item cf::get_slot $time[, $priority[, $name]]
341		504
342	Allocate $time seconds of blocking CPU time at priority C<$priority>:	505	Allocate $time seconds of blocking CPU time at priority C<$priority>
343	This call blocks and returns only when you have at least C<$time> seconds	506	(default: 0): This call blocks and returns only when you have at least
344	of cpu time till the next tick. The slot is only valid till the next cede.	507	C<$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.
345		512
346	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
347	used for statistical purposes and should identify the same time-class.	514	used for statistical purposes and should identify the same time-class.
348		515
349	Useful for short background jobs.	516	Useful for short background jobs.
350		517
351	=cut	518	=cut
352		519
353	our @SLOT_QUEUE;	520	our @SLOT_QUEUE;
354	our $SLOT_QUEUE;	521	our $SLOT_QUEUE;
		522	our $SLOT_DECAY = 0.9;
355		523
356	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	524	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
357	$SLOT_QUEUE = Coro::async {	525	$SLOT_QUEUE = Coro::async {
		526	$Coro::current->desc ("timeslot manager");
		527
358	my $signal = new Coro::Signal;	528	my $signal = new Coro::Signal;
		529	my $busy;
359		530
360	while () {	531	while () {
361	next_job:	532	next_job:
		533
362	my $avail = cf::till_tick;	534	my $avail = cf::till_tick;
363	if ($avail > 0.01) {	535
364	for (0 .. $#SLOT_QUEUE) {	536	for (0 .. $#SLOT_QUEUE) {
365	if ($SLOT_QUEUE[$_][0] < $avail) {	537	if ($SLOT_QUEUE[$_][0] <= $avail) {
		538	$busy = 0;
366	my $job = splice @SLOT_QUEUE, $_, 1, ();	539	my $job = splice @SLOT_QUEUE, $_, 1, ();
367	$job->[2]->send;	540	$job->[2]->send;
368	Coro::cede;	541	Coro::cede;
369	goto next_job;	542	goto next_job;
370	}	543	} else {
		544	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
371	}	545	}
372	}	546	}
373		547
374	if (@SLOT_QUEUE) {	548	if (@SLOT_QUEUE) {
375	# 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
376	push @cf::WAIT_FOR_TICK, $signal;	550	push @cf::WAIT_FOR_TICK, $signal;
377	$signal->wait;	551	$signal->wait;
378	} else {	552	} else {
		553	$busy = 0;
379	Coro::schedule;	554	Coro::schedule;
380	}	555	}
381	}	556	}
382	};	557	};
383		558
384	sub get_slot($;$$) {	559	sub get_slot($;$$) {
		560	return if tick_inhibit || $Coro::current == $Coro::main;
		561
385	my ($time, $pri, $name) = @_;	562	my ($time, $pri, $name) = @_;
386		563
387	$time = $TICK * .6 if $time > $TICK * .6;	564	$time = clamp $time, 0.01, $TICK * .6;
		565
388	my $sig = new Coro::Signal;	566	my $sig = new Coro::Signal;
389		567
390	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	568	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
391	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	569	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
392	$SLOT_QUEUE->ready;	570	$SLOT_QUEUE->ready;
…		…
403		581
404	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
405		583
406	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
407		585
408	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	586	The design of Deliantra requires that the main coroutine ($Coro::main)
409	is always able to handle events or runnable, as Crossfire TRT is only	587	is always able to handle events or runnable, as Deliantra is only
410	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	588	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
411	acceptable.	589	acceptable.
412		590
413	If it must be done, put the blocking parts into C<sync_job>. This will run	591	If it must be done, put the blocking parts into C<sync_job>. This will run
414	the given BLOCK in another coroutine while waiting for the result. The	592	the given BLOCK in another coroutine while waiting for the result. The
…		…
418	=cut	596	=cut
419		597
420	sub sync_job(&) {	598	sub sync_job(&) {
421	my ($job) = @_;	599	my ($job) = @_;
422		600
423	if ($Coro::current == $Coro::main) {	601	if (in_main) {
424	my $time = Event::time;	602	my $time = AE::time;
425		603
426	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
427	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
428		606
429	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
430	# (but this is cancel-safe)	608
431	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
432		610
433	my $busy = 1;	611	my $busy = 1;
434	my @res;	612	my @res;
435		613
436	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
437	@res = eval { $job->() };	616	@res = eval { $job->() };
438	warn $@ if $@;	617	error $@ if $@;
439	undef $busy;	618	undef $busy;
440	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
441		620
442	while ($busy) {	621	while ($busy) {
443	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
444	}	626	}
		627	}
445		628
446	$time = Event::time - $time;	629	my $time = AE::time - $time;
447		630
448	LOG llevError | logBacktrace, Carp::longmess "long sync job"
449	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
450
451	$tick_start += $time; # do not account sync jobs to server load	631	$TICK_START += $time; # do not account sync jobs to server load
452		632
453	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
454	} else {	634	} else {
455	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
456		636
…		…
476	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
477		657
478	$coro	658	$coro
479	}	659	}
480		660
481	=item fork_call { }, $args	661	=item fork_call { }, @args
482		662
483	Executes the given code block with the given arguments in a seperate	663	Executes the given code block with the given arguments in a seperate
484	process, returning the results. Everything must be serialisable with	664	process, returning the results. Everything must be serialisable with
485	Coro::Storable. May, of course, block. Note that the executed sub may	665	Coro::Storable. May, of course, block. Note that the executed sub may
486	never block itself or use any form of Event handling.	666	never block itself or use any form of event handling.
487		667
488	=cut	668	=cut
		669
		670	sub post_fork {
		671	reset_signals;
		672	}
489		673
490	sub fork_call(&@) {	674	sub fork_call(&@) {
491	my ($cb, @args) = @_;	675	my ($cb, @args) = @_;
492		676
493	# we seemingly have to make a local copy of the whole thing,	677	# we seemingly have to make a local copy of the whole thing,
494	# otherwise perl prematurely frees the stuff :/	678	# otherwise perl prematurely frees the stuff :/
495	# TODO: investigate and fix (likely this will be rather laborious)	679	# TODO: investigate and fix (likely this will be rather laborious)
496		680
497	my @res = Coro::Util::fork_eval {	681	my @res = Coro::Util::fork_eval {
498	reset_signals;	682	cf::post_fork;
499	&$cb	683	&$cb
500	}, @args;	684	} @args;
501		685
502	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
503	}	725	}
504		726
505	=item $value = cf::db_get $family => $key	727	=item $value = cf::db_get $family => $key
506		728
507	Returns a single value from the environment database.	729	Returns a single value from the environment database.
…		…
517	within each server.	739	within each server.
518		740
519	=cut	741	=cut
520		742
521	sub db_table($) {	743	sub db_table($) {
		744	cf::error "db_get called from main context"
		745	if $Coro::current == $Coro::main;
		746
522	my ($name) = @_;	747	my ($name) = @_;
523	my $db = BDB::db_create $DB_ENV;	748	my $db = BDB::db_create $DB_ENV;
524		749
525	eval {	750	eval {
526	$db->set_flags (BDB::CHKSUM);	751	$db->set_flags (BDB::CHKSUM);
…		…
536	}	761	}
537		762
538	our $DB;	763	our $DB;
539		764
540	sub db_init {	765	sub db_init {
541	cf::sync_job {
542	$DB ||= db_table "db";	766	$DB ||= db_table "db";
543	};
544	}	767	}
545		768
546	sub db_get($$) {	769	sub db_get($$) {
547	my $key = "$_[0]/$_[1]";	770	my $key = "$_[0]/$_[1]";
548		771
549	cf::sync_job {	772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
550	BDB::db_get $DB, undef, $key, my $data;	775	BDB::db_get $DB, undef, $key, my $data;
551		776
552	$! ? ()	777	$! ? ()
553	: $data	778	: $data
554	}
555	}	779	}
556		780
557	sub db_put($$$) {	781	sub db_put($$$) {
558	BDB::dbreq_pri 4;	782	BDB::dbreq_pri 4;
559	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
587		811
588	my @data;	812	my @data;
589	my $md5;	813	my $md5;
590		814
591	for (0 .. $#$src) {	815	for (0 .. $#$src) {
592	0 <= aio_load $src->[$_], $data[$_]	816	$data[$_] = load_file $src->[$_];
593	or Carp::croak "$src->[$_]: $!";
594	}	817	}
595		818
596	# if processing is expensive, check	819	# if processing is expensive, check
597	# checksum first	820	# checksum first
598	if (1) {	821	if (1) {
…		…
615		838
616	my $t1 = Time::HiRes::time;	839	my $t1 = Time::HiRes::time;
617	my $data = $process->(\@data);	840	my $data = $process->(\@data);
618	my $t2 = Time::HiRes::time;	841	my $t2 = Time::HiRes::time;
619		842
620	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
621		844
622	db_put cache => "$id/data", $data;	845	db_put cache => "$id/data", $data;
623	db_put cache => "$id/md5" , $md5;	846	db_put cache => "$id/md5" , $md5;
624	db_put cache => "$id/meta", $meta;	847	db_put cache => "$id/meta", $meta;
625		848
…		…
635		858
636	=cut	859	=cut
637		860
638	sub datalog($@) {	861	sub datalog($@) {
639	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
640	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
641	}	864	}
642		865
643	=back	866	=back
644		867
645	=cut	868	=cut
646		869
647	#############################################################################	870	#############################################################################
648		871
649	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
650		873
651	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
652	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")
653	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
654		877
655	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>
656	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
657	Crossfire TRT).	880	Deliantra).
658		881
659	=over 4	882	=over 4
660		883
661	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
662		885
…		…
706	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
707		930
708	Register an attachment by C<$name> through which attachable objects of the	931	Register an attachment by C<$name> through which attachable objects of the
709	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
710		933
711	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
712	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.
713		936
714	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
715		938
716	=over 4	939	=over 4
…		…
840		1063
841	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
842	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
843		1066
844	} elsif (ref $type) {	1067	} elsif (ref $type) {
845	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
846		1069
847	} else {	1070	} else {
848	shift @arg;	1071	shift @arg;
849	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
850	}	1073	}
851	}	1074	}
852	}	1075	}
853		1076
854	sub _object_attach {	1077	sub _object_attach {
…		…
864	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
865	}	1088	}
866		1089
867	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
868	} else {	1091	} else {
869	warn "object uses attachment '$name' which is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
870	}	1093	}
871		1094
872	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
873	}	1096	}
874		1097
…		…
933		1156
934	for (@$callbacks) {	1157	for (@$callbacks) {
935	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
936		1159
937	if ($@) {	1160	if ($@) {
938	warn "$@";
939	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
940	override;	1162	override;
941	}	1163	}
942		1164
943	return 1 if $override;	1165	return 1 if $override;
944	}	1166	}
945		1167
946	0	1168	0
947	}	1169	}
948		1170
949	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
950		1172
951	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
952		1174
953	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
954		1176
…		…
960		1182
961	=cut	1183	=cut
962		1184
963	#############################################################################	1185	#############################################################################
964	# object support	1186	# object support
965	#
966		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 $SLOW_MERGES;#d#
967	sub _can_merge {	1221	sub _can_merge {
968	my ($ob1, $ob2) = @_;	1222	my ($ob1, $ob2) = @_;
969		1223
970	local $Storable::canonical = 1;	1224	++$SLOW_MERGES;#d#
971	my $fob1 = Storable::freeze $ob1;
972	my $fob2 = Storable::freeze $ob2;
973		1225
974	$fob1 eq $fob2	1226	# we do the slow way here
		1227	return _object_equal $ob1, $ob2
975	}	1228	}
976		1229
977	sub reattach {	1230	sub reattach {
978	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
979	my ($obj) = @_;	1232	my ($obj) = @_;
980		1233
		1234	# no longer needed after getting rid of delete_package?
981	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
982		1236
983	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
984		1238
985	@$registry = ();	1239	@$registry = ();
986		1240
…		…
991	for (@$attach) {	1245	for (@$attach) {
992	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
993	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
994	}	1248	}
995	} else {	1249	} else {
996	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
997	}	1251	}
998	}	1252	}
999	}	1253	}
1000		1254
1001	cf::attachable->attach (	1255	cf::attachable->attach (
1002	prio => -1000000,	1256	prio => -1000000,
1003	on_instantiate => sub {	1257	on_instantiate => sub {
1004	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
1005		1259
1006	$data = from_json $data;	1260	$data = decode_json $data;
1007		1261
1008	for (@$data) {	1262	for (@$data) {
1009	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
1010		1264
1011	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
1025	);	1279	);
1026		1280
1027	sub object_freezer_save {	1281	sub object_freezer_save {
1028	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
1029		1283
1030	my $guard = cf::lock_acquire "io";
1031
1032	sync_job {	1284	sync_job {
1033	if (length $$rdata) {	1285	if (length $$rdata) {
1034	utf8::decode (my $decname = $filename);	1286	utf8::decode (my $decname = $filename);
1035	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
1036	$decname, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
1037		1290
1038	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1039	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
1040	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1041	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	}
1042	close $fh;	1298	aio_close $fh;
1043		1299
1044	if (@$objs) {	1300	if (@$objs) {
1045	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) {
1046	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
1047	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1048	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
1049	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	}
1050	close $fh;	1309	aio_close $fh;
1051	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
1052	}	1311	}
1053	} else {	1312	} else {
1054	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
1055	}	1314	}
1056		1315
1057	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
1058	} else {	1320	} else {
1059	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
1060	}	1322	}
1061	} else {	1323	} else {
1062	aio_unlink $filename;	1324	aio_unlink $filename;
1063	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
1064	}	1326	}
1065	};	1327	};
1066
1067	undef $guard;
1068	}	1328	}
1069		1329
1070	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
1071	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
1072		1332
…		…
1077		1337
1078	sub object_thawer_load {	1338	sub object_thawer_load {
1079	my ($filename) = @_;	1339	my ($filename) = @_;
1080		1340
1081	my ($data, $av);	1341	my ($data, $av);
1082
1083	my $guard = cf::lock_acquire "io";
1084		1342
1085	(aio_load $filename, $data) >= 0	1343	(aio_load $filename, $data) >= 0
1086	or return;	1344	or return;
1087		1345
1088	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
1089	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
1090	or return;	1348	or return;
1091		1349
1092	undef $guard;
1093	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
1094	}	1352	}
1095		1353
1096	utf8::decode (my $decname = $filename);	1354	utf8::decode (my $decname = $filename);
1097	warn sprintf "loading %s (%d,%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
1098	$decname, length $data, scalar @{$av || []};	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
1099		1358
1100	($data, $av)	1359	($data, $av)
1101	}	1360	}
1102		1361
1103	=head2 COMMAND CALLBACKS	1362	=head2 COMMAND CALLBACKS
…		…
1159	my ($name, $cb) = @_;	1418	my ($name, $cb) = @_;
1160		1419
1161	$EXTICMD{$name} = $cb;	1420	$EXTICMD{$name} = $cb;
1162	}	1421	}
1163		1422
		1423	use File::Glob ();
		1424
1164	cf::player->attach (	1425	cf::player->attach (
1165	on_command => sub {	1426	on_unknown_command => sub {
1166	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
1167		1428
1168	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
1169	or return;	1430	or return;
1170		1431
…		…
1193		1454
1194	$pl->ext_reply ($reply, @reply)	1455	$pl->ext_reply ($reply, @reply)
1195	if $reply;	1456	if $reply;
1196		1457
1197	} else {	1458	} else {
1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1199	}	1460	}
1200		1461
1201	cf::override;	1462	cf::override;
1202	},	1463	},
1203	);	1464	);
1204		1465
		1466	# "readahead" all extensions
		1467	sub cache_extensions {
		1468	my $grp = IO::AIO::aio_group;
		1469
		1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1471	for (grep /\.ext$/, @{$_[0]}) {
		1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1473	}
		1474	};
		1475
		1476	$grp
		1477	}
		1478
1205	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
1206	cf::sync_job {	1482	cf::sync_job {
1207	my %todo;	1483	my %todo;
1208		1484
1209	for my $path (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
1210	next unless -r $path;	1486	next unless -r $path;
…		…
1228		1504
1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1231		1507
1232	$ext{source} =	1508	$ext{source} =
1233	"package $pkg; use strict; use utf8;\n"	1509	"package $pkg; use common::sense;\n"
1234	. "#line 1 \"$path\"\n{\n"	1510	. "#line 1 \"$path\"\n{\n"
1235	. $source	1511	. $source
1236	. "\n};\n1";	1512	. "\n};\n1";
1237		1513
1238	$todo{$base} = \%ext;	1514	$todo{$base} = \%ext;
1239	}	1515	}
1240		1516
		1517	my $pass = 0;
1241	my %done;	1518	my %done;
1242	while (%todo) {	1519	while (%todo) {
1243	my $progress;	1520	my $progress;
1244		1521
		1522	++$pass;
		1523
		1524	ext:
1245	while (my ($k, $v) = each %todo) {	1525	while (my ($k, $v) = each %todo) {
1246	for (split /,\s*/, $v->{meta}{depends}) {	1526	for (split /,\s*/, $v->{meta}{depends}) {
1247	goto skip	1527	next ext
1248	unless exists $done{$_};	1528	unless exists $done{$_};
1249	}	1529	}
1250		1530
1251	warn "... loading '$k' into '$v->{pkg}'\n";	1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1252		1532
1253	unless (eval $v->{source}) {	1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
1254	my $msg = $@ ? "$v->{path}: $@\n"	1536	error "$v->{path}: $@\n";
1255	: "$v->{base}: extension inactive.\n";
1256		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1257	if (exists $v->{meta}{mandatory}) {	1539	if exists $v->{meta}{mandatory};
1258	warn $msg;	1540
1259	warn "mandatory extension failed to load, exiting.\n";	1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1260	exit 1;	1542	delete $todo{$k};
1261	}	1543	} else {
1262		1544	$done{$k} = delete $todo{$k};
1263	warn $msg;	1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
1264	}	1550	}
1265
1266	$done{$k} = delete $todo{$k};
1267	push @EXTS, $v->{pkg};
1268	$progress = 1;
1269	}	1551	}
1270		1552
1271	skip:	1553	unless ($progress) {
1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1273	unless $progress;	1555
		1556	while (my ($k, $v) = each %todo) {
		1557	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559	}
		1560
		1561	last;
		1562	}
1274	}	1563	}
1275	};	1564	};
1276	}	1565	}
1277		1566
1278	#############################################################################	1567	#############################################################################
1279		1568
1280	=back	1569	=back
1281		1570
1282	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
1283		1572
1284	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
1285		1574
1286	=cut	1575	=cut
1287		1576
1288	package cf::player;	1577	package cf::player;
1289		1578
…		…
1332		1621
1333	sub exists($) {	1622	sub exists($) {
1334	my ($login) = @_;	1623	my ($login) = @_;
1335		1624
1336	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
1337	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
1338	}	1627	}
1339		1628
1340	sub find($) {	1629	sub find($) {
1341	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
1342	my $login = $_[0];	1631	my $login = $_[0];
…		…
1352	aio_unlink +(playerdir $login) . "/$login.pl";	1641	aio_unlink +(playerdir $login) . "/$login.pl";
1353		1642
1354	my $f = new_from_file cf::object::thawer path $login	1643	my $f = new_from_file cf::object::thawer path $login
1355	or return;	1644	or return;
1356		1645
1357	$f->next;
1358	my $pl = cf::player::load_pl $f	1646	my $pl = cf::player::load_pl $f
1359	or return;	1647	or return;
		1648
1360	local $cf::PLAYER_LOADING{$login} = $pl;	1649	local $cf::PLAYER_LOADING{$login} = $pl;
1361	$f->resolve_delayed_derefs;	1650	$f->resolve_delayed_derefs;
1362	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1363	}	1652	}
1364	}	1653	}
1365	}	1654	}
1366		1655
		1656	cf::player->attach (
		1657	on_load => sub {
		1658	my ($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	);
		1668
1367	sub save($) {	1669	sub save($) {
1368	my ($pl) = @_;	1670	my ($pl) = @_;
1369		1671
1370	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
1371		1673
…		…
1374		1676
1375	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1376		1678
1377	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1378	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
		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];
1379		1686
1380	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1381	cf::cede_to_tick;	1688	cf::cede_to_tick;
1382	}	1689	}
1383		1690
…		…
1415	my ($pl) = @_;	1722	my ($pl) = @_;
1416		1723
1417	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1418		1725
1419	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1420	$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
1421		1728
1422	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1423	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1424	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1425	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1426		1737
1427	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1428	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1429	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1467		1778
1468	for my $login (@$dirs) {	1779	for my $login (@$dirs) {
1469	my $path = path $login;	1780	my $path = path $login;
1470		1781
1471	# a .pst is a dead give-away for a valid player	1782	# a .pst is a dead give-away for a valid player
1472	unless (-e "$path.pst") {	1783	# if no pst file found, open and chekc for blocked users
		1784	if (aio_stat "$path.pst") {
1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1474	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1475	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
1476	}	1788	}
1477		1789
…		…
1481		1793
1482	\@logins	1794	\@logins
1483	}	1795	}
1484		1796
1485	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1486		1800
1487	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1488	player. May block.	1802	player. May block.
1489		1803
1490	=cut	1804	=cut
…		…
1508	}	1822	}
1509		1823
1510	\@paths	1824	\@paths
1511	}	1825	}
1512		1826
1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1514		1828
1515	Expand crossfire pod fragments into protocol xml.	1829	Expand deliantra pod fragments into protocol xml.
1516
1517	=cut
1518
1519	sub expand_cfpod {
1520	((my $self), (local $_)) = @_;
1521
1522	# escape & and <
1523	s/&/&amp;/g;
1524	s/(?<![BIUGHT])</&lt;/g;
1525
1526	# this is buggy, it needs to properly take care of nested <'s
1527
1528	1 while
1529	# replace B<>, I<>, U<> etc.
1530	s/B<([^\>]*)>/<b>$1<\/b>/
1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1534	# replace G<male|female> tags
1535	|| s{G<([^>|]*)\|([^>]*)>}{
1536	$self->gender ? $2 : $1
1537	}ge
1538	# replace H<hint text>
1539	|| s{H<([^\>]*)>}
1540	{
1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1543	"")
1544	[$self->{hintmode}]
1545	}ge;
1546
1547	# create single paragraphs (very hackish)
1548	s/(?<=\S)\n(?=\w)/ /g;
1549
1550	# compress some whitespace
1551	s/\s+\n/\n/g; # ws line-ends
1552	s/\n\n+/\n/g; # double lines
1553	s/^\n+//; # beginning lines
1554	s/\n+$//; # ending lines
1555
1556	$_
1557	}
1558
1559	sub hintmode {
1560	$_[0]{hintmode} = $_[1] if @_ > 1;
1561	$_[0]{hintmode}
1562	}
1563		1830
1564	=item $player->ext_reply ($msgid, @msg)	1831	=item $player->ext_reply ($msgid, @msg)
1565		1832
1566	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1567		1834
…		…
1599		1866
1600	=cut	1867	=cut
1601		1868
1602	sub find_by_path($) {	1869	sub find_by_path($) {
1603	my ($path) = @_;	1870	my ($path) = @_;
		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
1604		1873
1605	my ($match, $specificity);	1874	my ($match, $specificity);
1606		1875
1607	for my $region (list) {	1876	for my $region (list) {
1608	if ($region->{match} && $path =~ $region->{match}) {	1877	if ($region->{match} && $path =~ $region->{match}) {
…		…
1634	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1635	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1636		1905
1637	sub generate_random_map {	1906	sub generate_random_map {
1638	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1639	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1640	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1641	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1642	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1643	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1644	$rmp->{exit_on_final_map},
1645	$rmp->{xsize}, $rmp->{ysize},
1646	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1647	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1648	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1649	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1650	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1651	(cf::region::find $rmp->{region}), $rmp->{custom}
1652	)
1653	}	1912	}
1654		1913
1655	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1656		1915
1657	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
…		…
1662		1921
1663	sub register {	1922	sub register {
1664	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1665	my $pkg = caller;	1924	my $pkg = caller;
1666		1925
1667	no strict;
1668	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1669		1927
1670	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1671	}	1929	}
1672		1930
1673	# also paths starting with '/'	1931	# also paths starting with '/'
1674	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1675		1933
1676	sub thawer_merge {	1934	sub thawer_merge {
1677	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1678		1936
1679	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
…		…
1684	}	1942	}
1685		1943
1686	sub normalise {	1944	sub normalise {
1687	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1688		1946
1689	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1690		1948
1691	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1692		1950
1693	# map plan:	1951	# map plan:
1694	#	1952	#
…		…
1709	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1710	$path = "$base/$path";	1968	$path = "$base/$path";
1711	}	1969	}
1712		1970
1713	for ($path) {	1971	for ($path) {
1714	redo if s{//}{/};
1715	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1716	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1717	}	1974	}
1718		1975
1719	$path	1976	$path
…		…
1733	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1734	return $self;	1991	return $self;
1735	}	1992	}
1736	}	1993	}
1737		1994
1738	Carp::cluck "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1739	()	1996	()
1740	}	1997	}
1741		1998
		1999	# may re-bless or do other evil things
1742	sub init {	2000	sub init {
1743	my ($self) = @_;	2001	my ($self) = @_;
1744		2002
1745	$self	2003	$self
1746	}	2004	}
…		…
1765		2023
1766	# the temporary/swap location	2024	# the temporary/swap location
1767	sub save_path {	2025	sub save_path {
1768	my ($self) = @_;	2026	my ($self) = @_;
1769		2027
1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2028	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1771	"$TMPDIR/$path.map"	2029	"$TMPDIR/$path.map"
1772	}	2030	}
1773		2031
1774	# the unique path, undef == no special unique path	2032	# the unique path, undef == no special unique path
1775	sub uniq_path {	2033	sub uniq_path {
1776	my ($self) = @_;	2034	my ($self) = @_;
1777		2035
1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1779	"$UNIQUEDIR/$path"	2037	"$UNIQUEDIR/$path"
1780	}
1781
1782	# and all this just because we cannot iterate over
1783	# all maps in C++...
1784	sub change_all_map_light {
1785	my ($change) = @_;
1786
1787	$_->change_map_light ($change)
1788	for grep $_->outdoor, values %cf::MAP;
1789	}	2038	}
1790		2039
1791	sub decay_objects {	2040	sub decay_objects {
1792	my ($self) = @_;	2041	my ($self) = @_;
1793		2042
…		…
1820	$self->{load_path} = $path;	2069	$self->{load_path} = $path;
1821		2070
1822	1	2071	1
1823	}	2072	}
1824		2073
		2074	# used to laod the header of an original map
1825	sub load_header_orig {	2075	sub load_header_orig {
1826	my ($self) = @_;	2076	my ($self) = @_;
1827		2077
1828	$self->load_header_from ($self->load_path)	2078	$self->load_header_from ($self->load_path)
1829	}	2079	}
1830		2080
		2081	# used to laod the header of an instantiated map
1831	sub load_header_temp {	2082	sub load_header_temp {
1832	my ($self) = @_;	2083	my ($self) = @_;
1833		2084
1834	$self->load_header_from ($self->save_path)	2085	$self->load_header_from ($self->save_path)
1835	}	2086	}
1836		2087
		2088	# called after loading the header from an instantiated map
1837	sub prepare_temp {	2089	sub prepare_temp {
1838	my ($self) = @_;	2090	my ($self) = @_;
1839		2091
1840	$self->last_access ((delete $self->{last_access})	2092	$self->last_access ((delete $self->{last_access})
1841	|| $cf::RUNTIME); #d#	2093	|| $cf::RUNTIME); #d#
1842	# safety	2094	# safety
1843	$self->{instantiate_time} = $cf::RUNTIME	2095	$self->{instantiate_time} = $cf::RUNTIME
1844	if $self->{instantiate_time} > $cf::RUNTIME;	2096	if $self->{instantiate_time} > $cf::RUNTIME;
1845	}	2097	}
1846		2098
		2099	# called after loading the header from an original map
1847	sub prepare_orig {	2100	sub prepare_orig {
1848	my ($self) = @_;	2101	my ($self) = @_;
1849		2102
1850	$self->{load_original} = 1;	2103	$self->{load_original} = 1;
1851	$self->{instantiate_time} = $cf::RUNTIME;	2104	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1875		2128
1876	sub find;	2129	sub find;
1877	sub find {	2130	sub find {
1878	my ($path, $origin) = @_;	2131	my ($path, $origin) = @_;
1879		2132
		2133	cf::cede_to_tick;
		2134
1880	$path = normalise $path, $origin && $origin->path;	2135	$path = normalise $path, $origin;
1881		2136
1882	cf::lock_wait "map_data:$path";#d#remove	2137	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1883	cf::lock_wait "map_find:$path";	2138	my $guard2 = cf::lock_acquire "map_find:$path";
1884		2139
1885	$cf::MAP{$path} || do {	2140	$cf::MAP{$path} || do {
1886	my $guard1 = cf::lock_acquire "map_find:$path";
1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1888
1889	my $map = new_from_path cf::map $path	2141	my $map = new_from_path cf::map $path
1890	or return;	2142	or return;
1891		2143
1892	$map->{last_save} = $cf::RUNTIME;	2144	$map->{last_save} = $cf::RUNTIME;
1893		2145
…		…
1895	or return;	2147	or return;
1896		2148
1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2149	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1898	# doing this can freeze the server in a sync job, obviously	2150	# doing this can freeze the server in a sync job, obviously
1899	#$cf::WAIT_FOR_TICK->wait;	2151	#$cf::WAIT_FOR_TICK->wait;
		2152	undef $guard2;
1900	undef $guard1;	2153	undef $guard1;
1901	undef $guard2;
1902	$map->reset;	2154	$map->reset;
1903	return find $path;	2155	return find $path;
1904	}	2156	}
1905		2157
1906	$cf::MAP{$path} = $map	2158	$cf::MAP{$path} = $map
1907	}	2159	}
1908	}	2160	}
1909		2161
1910	sub pre_load { }	2162	sub pre_load { }
1911	sub post_load { }	2163	#sub post_load { } # XS
1912		2164
1913	sub load {	2165	sub load {
1914	my ($self) = @_;	2166	my ($self) = @_;
1915		2167
1916	local $self->{deny_reset} = 1; # loading can take a long time	2168	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1928	$self->alloc;	2180	$self->alloc;
1929		2181
1930	$self->pre_load;	2182	$self->pre_load;
1931	cf::cede_to_tick;	2183	cf::cede_to_tick;
1932		2184
		2185	if (exists $self->{load_path}) {
1933	my $f = new_from_file cf::object::thawer $self->{load_path};	2186	my $f = new_from_file cf::object::thawer $self->{load_path};
1934	$f->skip_block;	2187	$f->skip_block;
1935	$self->_load_objects ($f)	2188	$self->_load_objects ($f)
1936	or return;	2189	or return;
1937		2190
1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2191	$self->post_load_original
1939	if delete $self->{load_original};	2192	if delete $self->{load_original};
1940		2193
1941	if (my $uniq = $self->uniq_path) {	2194	if (my $uniq = $self->uniq_path) {
1942	utf8::encode $uniq;	2195	utf8::encode $uniq;
1943	unless (aio_stat $uniq) {	2196	unless (aio_stat $uniq) {
1944	if (my $f = new_from_file cf::object::thawer $uniq) {	2197	if (my $f = new_from_file cf::object::thawer $uniq) {
1945	$self->clear_unique_items;	2198	$self->clear_unique_items;
1946	$self->_load_objects ($f);	2199	$self->_load_objects ($f);
1947	$f->resolve_delayed_derefs;	2200	$f->resolve_delayed_derefs;
		2201	}
1948	}	2202	}
1949	}	2203	}
1950	}
1951		2204
1952	$f->resolve_delayed_derefs;	2205	$f->resolve_delayed_derefs;
		2206	} else {
		2207	$self->post_load_original
		2208	if delete $self->{load_original};
		2209	}
1953		2210
1954	cf::cede_to_tick;	2211	cf::cede_to_tick;
1955	# now do the right thing for maps	2212	# now do the right thing for maps
1956	$self->link_multipart_objects;	2213	$self->link_multipart_objects;
1957	$self->difficulty ($self->estimate_difficulty)	2214	$self->difficulty ($self->estimate_difficulty)
…		…
1961	unless ($self->{deny_activate}) {	2218	unless ($self->{deny_activate}) {
1962	$self->decay_objects;	2219	$self->decay_objects;
1963	$self->fix_auto_apply;	2220	$self->fix_auto_apply;
1964	$self->update_buttons;	2221	$self->update_buttons;
1965	cf::cede_to_tick;	2222	cf::cede_to_tick;
1966	$self->set_darkness_map;	2223	#$self->activate; # no longer activate maps automatically
1967	cf::cede_to_tick;
1968	$self->activate;
1969	}	2224	}
1970		2225
1971	$self->{last_save} = $cf::RUNTIME;	2226	$self->{last_save} = $cf::RUNTIME;
1972	$self->last_access ($cf::RUNTIME);	2227	$self->last_access ($cf::RUNTIME);
1973		2228
1974	$self->in_memory (cf::MAP_IN_MEMORY);	2229	$self->in_memory (cf::MAP_ACTIVE);
1975	}	2230	}
1976		2231
1977	$self->post_load;	2232	$self->post_load;
1978	}
1979		2233
		2234	1
		2235	}
		2236
		2237	# customize the map for a given player, i.e.
		2238	# return the _real_ map. used by e.g. per-player
		2239	# maps to change the path to ~playername/mappath
1980	sub customise_for {	2240	sub customise_for {
1981	my ($self, $ob) = @_;	2241	my ($self, $ob) = @_;
1982		2242
1983	return find "~" . $ob->name . "/" . $self->{path}	2243	return find "~" . $ob->name . "/" . $self->{path}
1984	if $self->per_player;	2244	if $self->per_player;
…		…
2000	or next;	2260	or next;
2001	$neigh = find $neigh, $map	2261	$neigh = find $neigh, $map
2002	or next;	2262	or next;
2003	$neigh->load;	2263	$neigh->load;
2004		2264
		2265	# now find the diagonal neighbours
2005	push @neigh,	2266	push @neigh,
2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2267	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2268	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2008	}	2269	}
2009		2270
…		…
2016	}	2277	}
2017		2278
2018	sub find_sync {	2279	sub find_sync {
2019	my ($path, $origin) = @_;	2280	my ($path, $origin) = @_;
2020		2281
2021	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, $origin
2022	}	2286	}
2023		2287
2024	sub do_load_sync {	2288	sub do_load_sync {
2025	my ($map) = @_;	2289	my ($map) = @_;
2026		2290
2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2291	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2028	if $Coro::current == $Coro::main;	2292	if $Coro::current == $Coro::main;
2029		2293
2030	cf::sync_job { $map->load };	2294	$map->load;
2031	}	2295	}
2032		2296
2033	our %MAP_PREFETCH;	2297	our %MAP_PREFETCH;
2034	our $MAP_PREFETCHER = undef;	2298	our $MAP_PREFETCHER = undef;
2035		2299
2036	sub find_async {	2300	sub find_async {
2037	my ($path, $origin, $load) = @_;	2301	my ($path, $origin, $load) = @_;
2038		2302
2039	$path = normalise $path, $origin && $origin->{path};	2303	$path = normalise $path, $origin;
2040		2304
2041	if (my $map = $cf::MAP{$path}) {	2305	if (my $map = $cf::MAP{$path}) {
2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2306	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2043	}	2307	}
2044		2308
2045	$MAP_PREFETCH{$path} |= $load;	2309	$MAP_PREFETCH{$path} |= $load;
2046		2310
2047	$MAP_PREFETCHER ||= cf::async {	2311	$MAP_PREFETCHER ||= cf::async {
		2312	$Coro::current->{desc} = "map prefetcher";
		2313
2048	while (%MAP_PREFETCH) {	2314	while (%MAP_PREFETCH) {
2049	while (my ($k, $v) = each %MAP_PREFETCH) {	2315	while (my ($k, $v) = each %MAP_PREFETCH) {
2050	if (my $map = find $k) {	2316	if (my $map = find $k) {
2051	$map->load if $v;	2317	$map->load if $v;
2052	}	2318	}
…		…
2059	$MAP_PREFETCHER->prio (6);	2325	$MAP_PREFETCHER->prio (6);
2060		2326
2061	()	2327	()
2062	}	2328	}
2063		2329
		2330	# common code, used by both ->save and ->swapout
2064	sub save {	2331	sub _save {
2065	my ($self) = @_;	2332	my ($self) = @_;
2066
2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
2068		2333
2069	$self->{last_save} = $cf::RUNTIME;	2334	$self->{last_save} = $cf::RUNTIME;
2070		2335
2071	return unless $self->dirty;	2336	return unless $self->dirty;
2072		2337
…		…
2078	return if $self->{deny_save};	2343	return if $self->{deny_save};
2079		2344
2080	local $self->{last_access} = $self->last_access;#d#	2345	local $self->{last_access} = $self->last_access;#d#
2081		2346
2082	cf::async {	2347	cf::async {
		2348	$Coro::current->{desc} = "map player save";
2083	$_->contr->save for $self->players;	2349	$_->contr->save for $self->players;
2084	};	2350	};
		2351
		2352	cf::get_slot 0.02;
2085		2353
2086	if ($uniq) {	2354	if ($uniq) {
2087	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2355	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2088	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2356	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2089	} else {	2357	} else {
2090	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2358	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2091	}	2359	}
2092	}	2360	}
2093		2361
		2362	sub save {
		2363	my ($self) = @_;
		2364
		2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2366
		2367	$self->_save;
		2368	}
		2369
2094	sub swap_out {	2370	sub swap_out {
2095	my ($self) = @_;	2371	my ($self) = @_;
2096		2372
2097	# save first because save cedes
2098	$self->save;
2099
2100	my $lock = cf::lock_acquire "map_data:$self->{path}";	2373	my $lock = cf::lock_acquire "map_data:$self->{path}";
2101		2374
		2375	return if $self->in_memory != cf::MAP_ACTIVE;
		2376	return if $self->{deny_save};
2102	return if $self->players;	2377	return if $self->players;
2103	return if $self->in_memory != cf::MAP_IN_MEMORY;
2104	return if $self->{deny_save};
2105		2378
		2379	# first deactivate the map and "unlink" it from the core
		2380	$self->deactivate;
		2381	$_->clear_links_to ($self) for values %cf::MAP;
2106	$self->in_memory (cf::MAP_SWAPPED);	2382	$self->in_memory (cf::MAP_SWAPPED);
		2383
		2384	# then atomically save
		2385	$self->_save;
		2386
		2387	# then free the map
		2388	$self->clear;
		2389	}
		2390
		2391	sub reset_at {
		2392	my ($self) = @_;
		2393
		2394	# TODO: safety, remove and allow resettable per-player maps
		2395	return 1e99 if $self->{deny_reset};
		2396
		2397	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2398	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2399
		2400	$time + $to
		2401	}
		2402
		2403	sub should_reset {
		2404	my ($self) = @_;
		2405
		2406	$self->reset_at <= $cf::RUNTIME
		2407	}
		2408
		2409	sub reset {
		2410	my ($self) = @_;
		2411
		2412	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2413
		2414	return if $self->players;
		2415
		2416	cf::trace "resetting map ", $self->path, "\n";
		2417
		2418	$self->in_memory (cf::MAP_SWAPPED);
		2419
		2420	# need to save uniques path
		2421	unless ($self->{deny_save}) {
		2422	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2423
		2424	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2425	if $uniq;
		2426	}
		2427
		2428	delete $cf::MAP{$self->path};
2107		2429
2108	$self->deactivate;	2430	$self->deactivate;
2109	$_->clear_links_to ($self) for values %cf::MAP;	2431	$_->clear_links_to ($self) for values %cf::MAP;
2110	$self->clear;	2432	$self->clear;
2111	}
2112
2113	sub reset_at {
2114	my ($self) = @_;
2115
2116	# TODO: safety, remove and allow resettable per-player maps
2117	return 1e99 if $self->{deny_reset};
2118
2119	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2120	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2121
2122	$time + $to
2123	}
2124
2125	sub should_reset {
2126	my ($self) = @_;
2127
2128	$self->reset_at <= $cf::RUNTIME
2129	}
2130
2131	sub reset {
2132	my ($self) = @_;
2133
2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
2135
2136	return if $self->players;
2137
2138	warn "resetting map ", $self->path;
2139
2140	$self->in_memory (cf::MAP_SWAPPED);
2141
2142	# need to save uniques path
2143	unless ($self->{deny_save}) {
2144	my $uniq = $self->uniq_path; utf8::encode $uniq;
2145
2146	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2147	if $uniq;
2148	}
2149
2150	delete $cf::MAP{$self->path};
2151
2152	$self->deactivate;
2153	$_->clear_links_to ($self) for values %cf::MAP;
2154	$self->clear;
2155		2433
2156	$self->unlink_save;	2434	$self->unlink_save;
2157	$self->destroy;	2435	$self->destroy;
2158	}	2436	}
2159		2437
…		…
2167		2445
2168	delete $cf::MAP{$self->path};	2446	delete $cf::MAP{$self->path};
2169		2447
2170	$self->unlink_save;	2448	$self->unlink_save;
2171		2449
2172	bless $self, "cf::map";	2450	bless $self, "cf::map::wrap";
2173	delete $self->{deny_reset};	2451	delete $self->{deny_reset};
2174	$self->{deny_save} = 1;	2452	$self->{deny_save} = 1;
2175	$self->reset_timeout (1);	2453	$self->reset_timeout (1);
2176	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2454	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2177		2455
…		…
2226		2504
2227	sub unique_maps() {	2505	sub unique_maps() {
2228	[	2506	[
2229	map {	2507	map {
2230	utf8::decode $_;	2508	utf8::decode $_;
2231	/\.map$/	2509	s/\.map$//; # TODO future compatibility hack
		2510	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2511	? ()
2232	? normalise $_	2512	: normalise $_
2233	: ()
2234	} @{ aio_readdir $UNIQUEDIR or [] }	2513	} @{ aio_readdir $UNIQUEDIR or [] }
2235	]	2514	]
2236	}	2515	}
2237		2516
2238	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	}
2239		2548
2240	=back	2549	=back
2241		2550
2242	=head3 cf::object	2551	=head3 cf::object
2243		2552
…		…
2247		2556
2248	=over 4	2557	=over 4
2249		2558
2250	=item $ob->inv_recursive	2559	=item $ob->inv_recursive
2251		2560
2252	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.
2253		2563
2254	=cut	2564	=cut
2255		2565
2256	sub inv_recursive_;	2566	sub inv_recursive_;
2257	sub inv_recursive_ {	2567	sub inv_recursive_ {
…		…
2262	inv_recursive_ inv $_[0]	2572	inv_recursive_ inv $_[0]
2263	}	2573	}
2264		2574
2265	=item $ref = $ob->ref	2575	=item $ref = $ob->ref
2266		2576
2267	creates and returns a persistent reference to an objetc that can be stored as a string.	2577	Creates and returns a persistent reference to an object that can be stored as a string.
2268		2578
2269	=item $ob = cf::object::deref ($refstring)	2579	=item $ob = cf::object::deref ($refstring)
2270		2580
2271	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2581	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2272	even if the object actually exists. May block.	2582	even if the object actually exists. May block.
…		…
2274	=cut	2584	=cut
2275		2585
2276	sub deref {	2586	sub deref {
2277	my ($ref) = @_;	2587	my ($ref) = @_;
2278		2588
2279	# temporary compatibility#TODO#remove
2280	$ref =~ s{^<}{player/<};
2281
2282	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {	2589	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2283	my ($uuid, $name) = ($1, $2);	2590	my ($uuid, $name) = ($1, $2);
2284	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name	2591	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2285	or return;	2592	or return;
2286	$pl->ob->uuid eq $uuid	2593	$pl->ob->uuid eq $uuid
2287	or return;	2594	or return;
…		…
2307	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
2308	dialogue with the given NPC character.	2615	dialogue with the given NPC character.
2309		2616
2310	=cut	2617	=cut
2311		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	};
		2632
2312	# rough implementation of a future "reply" method that works	2633	# rough implementation of a future "reply" method that works
2313	# with dialog boxes.	2634	# with dialog boxes.
2314	#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
2315	sub cf::object::player::reply($$$;$) {	2636	sub cf::object::player::reply($$$;$) {
2316	my ($self, $npc, $msg, $flags) = @_;	2637	my ($self, $npc, $msg, $flags) = @_;
…		…
2327	my $dialog = $pl->{npc_dialog};	2648	my $dialog = $pl->{npc_dialog};
2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2649	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2329		2650
2330	} else {	2651	} else {
2331	$msg = $npc->name . " says: $msg" if $npc;	2652	$msg = $npc->name . " says: $msg" if $npc;
2332	$self->message ($msg, $flags);	2653	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2333	}	2654	}
2334	}	2655	}
2335	}	2656	}
2336		2657
2337	=item $object->send_msg ($channel, $msg, $color, [extra...])	2658	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2362		2683
2363	=item $player_object->enter_link	2684	=item $player_object->enter_link
2364		2685
2365	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}>).
2366		2687
2367	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.
2368	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.
2369		2692
2370	Will never block.	2693	Will never block.
2371		2694
2372	=item $player_object->leave_link ($map, $x, $y)	2695	=item $player_object->leave_link ($map, $x, $y)
2373		2696
…		…
2393	sub cf::object::player::enter_link {	2716	sub cf::object::player::enter_link {
2394	my ($self) = @_;	2717	my ($self) = @_;
2395		2718
2396	$self->deactivate_recursive;	2719	$self->deactivate_recursive;
2397		2720
		2721	++$self->{_link_recursion};
		2722
2398	return if UNIVERSAL::isa $self->map, "ext::map_link";	2723	return if UNIVERSAL::isa $self->map, "ext::map_link";
2399		2724
2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2725	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2401	if $self->map && $self->map->{path} ne "{link}";	2726	if $self->map && $self->map->{path} ne "{link}";
2402		2727
2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2728	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2404	}	2729	}
2405		2730
2406	sub cf::object::player::leave_link {	2731	sub cf::object::player::leave_link {
2407	my ($self, $map, $x, $y) = @_;	2732	my ($self, $map, $x, $y) = @_;
2408		2733
…		…
2425	($x, $y) = (-1, -1)	2750	($x, $y) = (-1, -1)
2426	unless (defined $x) && (defined $y);	2751	unless (defined $x) && (defined $y);
2427		2752
2428	# use -1 or undef as default coordinates, not 0, 0	2753	# use -1 or undef as default coordinates, not 0, 0
2429	($x, $y) = ($map->enter_x, $map->enter_y)	2754	($x, $y) = ($map->enter_x, $map->enter_y)
2430	if $x <=0 && $y <= 0;	2755	if $x <= 0 && $y <= 0;
2431		2756
2432	$map->load;	2757	$map->load;
2433	$map->load_neighbours;	2758	$map->load_neighbours;
2434		2759
2435	return unless $self->contr->active;	2760	return unless $self->contr->active;
2436	$self->activate_recursive;
2437		2761
2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2762	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2439	$self->enter_map ($map, $x, $y);	2763	if ($self->enter_map ($map, $x, $y)) {
2440	}	2764	# entering was successful
		2765	delete $self->{_link_recursion};
		2766	# only activate afterwards, to support waiting in hooks
		2767	$self->activate_recursive;
		2768	}
2441		2769
		2770	}
		2771
2442	=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)]])
2443		2773
2444	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
2445	her, loading and preparing them map, calling the provided $check callback	2775	her, loading and preparing them map, calling the provided $check callback
2446	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
2447	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
2448	be called at the end of this process.	2778	be called at the end of this process.
2449		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
2450	=cut	2783	=cut
2451		2784
2452	our $GOTOGEN;	2785	our $GOTOGEN;
2453		2786
2454	sub cf::object::player::goto {	2787	sub cf::object::player::goto {
2455	my ($self, $path, $x, $y, $check, $done) = @_;	2788	my ($self, $path, $x, $y, $check, $done) = @_;
2456		2789
		2790	if ($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
2457	# 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
2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2797	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2459		2798
2460	$self->enter_link;	2799	$self->enter_link;
2461		2800
2462	(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
2463	my $map = eval {	2823	my $map = eval {
2464	my $map = cf::map::find $path;	2824	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2465		2825
2466	if ($map) {	2826	if ($map) {
2467	$map = $map->customise_for ($self);	2827	$map = $map->customise_for ($self);
2468	$map = $check->($map) if $check && $map;	2828	$map = $check->($map, $x, $y, $self) if $check && $map;
2469	} else {	2829	} else {
2470	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2830	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2471	}	2831	}
2472		2832
2473	$map	2833	$map
2474	};	2834	};
2475		2835
…		…
2481	if ($gen == $self->{_goto_generation}) {	2841	if ($gen == $self->{_goto_generation}) {
2482	delete $self->{_goto_generation};	2842	delete $self->{_goto_generation};
2483	$self->leave_link ($map, $x, $y);	2843	$self->leave_link ($map, $x, $y);
2484	}	2844	}
2485		2845
2486	$done->() if $done;	2846	$done->($self) if $done;
2487	})->prio (1);	2847	})->prio (1);
2488	}	2848	}
2489		2849
2490	=item $player_object->enter_exit ($exit_object)	2850	=item $player_object->enter_exit ($exit_object)
2491		2851
…		…
2511	}	2871	}
2512		2872
2513	sub prepare_random_map {	2873	sub prepare_random_map {
2514	my ($exit) = @_;	2874	my ($exit) = @_;
2515		2875
2516	my $guard = cf::lock_acquire "exit_prepare:$exit";
2517
2518	# all this does is basically replace the /! path by	2876	# all this does is basically replace the /! path by
2519	# a new random map path (?random/...) with a seed	2877	# a new random map path (?random/...) with a seed
2520	# that depends on the exit object	2878	# that depends on the exit object
2521		2879
2522	my $rmp = parse_random_map_params $exit->msg;	2880	my $rmp = parse_random_map_params $exit->msg;
…		…
2524	if ($exit->map) {	2882	if ($exit->map) {
2525	$rmp->{region} = $exit->region->name;	2883	$rmp->{region} = $exit->region->name;
2526	$rmp->{origin_map} = $exit->map->path;	2884	$rmp->{origin_map} = $exit->map->path;
2527	$rmp->{origin_x} = $exit->x;	2885	$rmp->{origin_x} = $exit->x;
2528	$rmp->{origin_y} = $exit->y;	2886	$rmp->{origin_y} = $exit->y;
		2887
		2888	$exit->map->touch;
2529	}	2889	}
2530		2890
2531	$rmp->{random_seed} ||= $exit->random_seed;	2891	$rmp->{random_seed} ||= $exit->random_seed;
2532		2892
2533	my $data = cf::to_json $rmp;	2893	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2534	my $md5 = Digest::MD5::md5_hex $data;	2894	my $md5 = Digest::MD5::md5_hex $data;
2535	my $meta = "$RANDOMDIR/$md5.meta";	2895	my $meta = "$RANDOMDIR/$md5.meta";
2536		2896
2537	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2897	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2538	aio_write $fh, 0, (length $data), $data, 0;	2898	aio_write $fh, 0, (length $data), $data, 0;
2539	undef $fh;	2899	undef $fh;
2540	aio_rename "$meta~", $meta;	2900	aio_rename "$meta~", $meta;
2541		2901
		2902	my $slaying = "?random/$md5";
		2903
		2904	if ($exit->valid) {
2542	$exit->slaying ("?random/$md5");	2905	$exit->slaying ("?random/$md5");
2543	$exit->msg (undef);	2906	$exit->msg (undef);
		2907	}
2544	}	2908	}
2545	}	2909	}
2546		2910
2547	sub cf::object::player::enter_exit {	2911	sub cf::object::player::enter_exit {
2548	my ($self, $exit) = @_;	2912	my ($self, $exit) = @_;
2549		2913
2550	return unless $self->type == cf::PLAYER;	2914	return unless $self->type == cf::PLAYER;
2551		2915
2552	if ($exit->slaying eq "/!") {
2553	#TODO: this should de-fi-ni-te-ly not be a sync-job
2554	# the problem is that $exit might not survive long enough
2555	# so it needs to be done right now, right here
2556	cf::sync_job { prepare_random_map $exit };
2557	}
2558
2559	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2560	my $hp = $exit->stats->hp;
2561	my $sp = $exit->stats->sp;
2562
2563	$self->enter_link;	2916	$self->enter_link;
2564		2917
2565	# if exit is damned, update players death & WoR home-position
2566	$self->contr->savebed ($slaying, $hp, $sp)
2567	if $exit->flag (FLAG_DAMNED);
2568
2569	(async {	2918	(async {
2570	$self->deactivate_recursive; # just to be sure	2919	$Coro::current->{desc} = "enter_exit";
		2920
2571	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
2572	$self->goto ($slaying, $hp, $sp);	2949	$self->goto ($map, $x, $y);
2573		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
2574	1;	2955	1
2575	}) {	2956	}) {
2576	$self->message ("Something went wrong deep within the crossfire server. "	2957	$self->message ("Something went wrong deep within the deliantra server. "
2577	. "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. "
2578	. "Please report this to the dungeon master!",	2959	. "Please report this to the dungeon master!",
2579	cf::NDI_UNIQUE | cf::NDI_RED);	2960	cf::NDI_UNIQUE | cf::NDI_RED);
2580		2961
2581	warn "ERROR in enter_exit: $@";	2962	error "ERROR in enter_exit: $@";
2582	$self->leave_link;	2963	$self->leave_link;
2583	}	2964	}
2584	})->prio (1);	2965	})->prio (1);
2585	}	2966	}
2586		2967
…		…
2598	sub cf::client::send_drawinfo {	2979	sub cf::client::send_drawinfo {
2599	my ($self, $text, $flags) = @_;	2980	my ($self, $text, $flags) = @_;
2600		2981
2601	utf8::encode $text;	2982	utf8::encode $text;
2602	$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);
2603	}	3009	}
2604		3010
2605	=item $client->send_msg ($channel, $msg, $color, [extra...])	3011	=item $client->send_msg ($channel, $msg, $color, [extra...])
2606		3012
2607	Send a drawinfo or msg packet to the client, formatting the msg for the	3013	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2609	the message, with C<log> being the default. If C<$color> is negative, suppress	3015	the message, with C<log> being the default. If C<$color> is negative, suppress
2610	the message unless the client supports the msg packet.	3016	the message unless the client supports the msg packet.
2611		3017
2612	=cut	3018	=cut
2613		3019
		3020	# non-persistent channels (usually the info channel)
2614	our %CHANNEL = (	3021	our %CHANNEL = (
		3022	"c/motd" => {
		3023	id => "infobox",
		3024	title => "MOTD",
		3025	reply => undef,
		3026	tooltip => "The message of the day",
		3027	},
2615	"c/identify" => {	3028	"c/identify" => {
2616	id => "identify",	3029	id => "infobox",
2617	title => "Identify",	3030	title => "Identify",
2618	reply => undef,	3031	reply => undef,
2619	tooltip => "Items recently identified",	3032	tooltip => "Items recently identified",
2620	},	3033	},
2621	"c/examine" => {	3034	"c/examine" => {
2622	id => "examine",	3035	id => "infobox",
2623	title => "Examine",	3036	title => "Examine",
2624	reply => undef,	3037	reply => undef,
2625	tooltip => "Signs and other items you examined",	3038	tooltip => "Signs and other items you examined",
2626	},	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" => $CHAT_CHANNEL,
2627	);	3132	);
2628		3133
2629	sub cf::client::send_msg {	3134	sub cf::client::send_msg {
2630	my ($self, $channel, $msg, $color, @extra) = @_;	3135	my ($self, $channel, $msg, $color, @extra) = @_;
2631		3136
2632	$msg = $self->pl->expand_cfpod ($msg);	3137	$msg = $self->pl->expand_cfpod ($msg)
		3138	unless $color & cf::NDI_VERBATIM;
2633		3139
2634	$color &= cf::NDI_CLIENT_MASK; # just in case...	3140	$color &= cf::NDI_CLIENT_MASK; # just in case...
2635		3141
2636	# check predefined channels, for the benefit of C	3142	# check predefined channels, for the benefit of C
2637	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	3143	if ($CHANNEL{$channel}) {
		3144	$channel = $CHANNEL{$channel};
2638		3145
		3146	$self->ext_msg (channel_info => $channel);
		3147	$channel = $channel->{id};
		3148
2639	if (ref $channel) {	3149	} elsif (ref $channel) {
2640	# send meta info to client, if not yet sent	3150	# send meta info to client, if not yet sent
2641	unless (exists $self->{channel}{$channel->{id}}) {	3151	unless (exists $self->{channel}{$channel->{id}}) {
2642	$self->{channel}{$channel->{id}} = $channel;	3152	$self->{channel}{$channel->{id}} = $channel;
2643	$self->ext_msg (channel_info => $channel)	3153	$self->ext_msg (channel_info => $channel);
2644	if $self->can_msg;
2645	}	3154	}
2646		3155
2647	$channel = $channel->{id};	3156	$channel = $channel->{id};
2648	}	3157	}
2649		3158
2650	return unless @extra || length $msg;	3159	return unless @extra || length $msg;
2651		3160
2652	if ($self->can_msg) {
2653	# default colour, mask it out	3161	# default colour, mask it out
2654	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3162	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2655	if $color & cf::NDI_DEF;	3163	if $color & cf::NDI_DEF;
2656		3164
2657	$self->send_packet ("msg " . $self->{json_coder}->encode (	3165	my $pkt = "msg "
		3166	. $self->{json_coder}->encode (
2658	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3167	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2659	} else {	3168	);
2660	if ($color >= 0) {
2661	# replace some tags by gcfclient-compatible ones
2662	for ($msg) {
2663	1 while
2664	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2665	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2666	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2667	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2668	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2669	}
2670		3169
2671	$color &= cf::NDI_COLOR_MASK;	3170	$self->send_big_packet ($pkt);
2672
2673	utf8::encode $msg;
2674
2675	if (0 && $msg =~ /\[/) {
2676	# COMMAND/INFO
2677	$self->send_packet ("drawextinfo $color 10 8 $msg")
2678	} else {
2679	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2680	$self->send_packet ("drawinfo $color $msg")
2681	}
2682	}
2683	}
2684	}	3171	}
2685		3172
2686	=item $client->ext_msg ($type, @msg)	3173	=item $client->ext_msg ($type, @msg)
2687		3174
2688	Sends an ext event to the client.	3175	Sends an ext event to the client.
…		…
2691		3178
2692	sub cf::client::ext_msg($$@) {	3179	sub cf::client::ext_msg($$@) {
2693	my ($self, $type, @msg) = @_;	3180	my ($self, $type, @msg) = @_;
2694		3181
2695	if ($self->extcmd == 2) {	3182	if ($self->extcmd == 2) {
2696	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3183	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2697	} elsif ($self->extcmd == 1) { # TODO: remove	3184	} elsif ($self->extcmd == 1) { # TODO: remove
2698	push @msg, msgtype => "event_$type";	3185	push @msg, msgtype => "event_$type";
2699	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3186	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2700	}	3187	}
2701	}	3188	}
2702		3189
2703	=item $client->ext_reply ($msgid, @msg)	3190	=item $client->ext_reply ($msgid, @msg)
2704		3191
…		…
2708		3195
2709	sub cf::client::ext_reply($$@) {	3196	sub cf::client::ext_reply($$@) {
2710	my ($self, $id, @msg) = @_;	3197	my ($self, $id, @msg) = @_;
2711		3198
2712	if ($self->extcmd == 2) {	3199	if ($self->extcmd == 2) {
2713	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3200	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2714	} elsif ($self->extcmd == 1) {	3201	} elsif ($self->extcmd == 1) {
2715	#TODO: version 1, remove	3202	#TODO: version 1, remove
2716	unshift @msg, msgtype => "reply", msgid => $id;	3203	unshift @msg, msgtype => "reply", msgid => $id;
2717	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3204	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2718	}	3205	}
2719	}	3206	}
2720		3207
2721	=item $success = $client->query ($flags, "text", \&cb)	3208	=item $success = $client->query ($flags, "text", \&cb)
2722		3209
…		…
2793		3280
2794	$ns->ext_reply ($reply, @reply)	3281	$ns->ext_reply ($reply, @reply)
2795	if $reply;	3282	if $reply;
2796		3283
2797	} else {	3284	} else {
2798	warn "client " . ($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";
2799	}	3286	}
2800		3287
2801	cf::override;	3288	cf::override;
2802	},	3289	},
2803	);	3290	);
…		…
2823		3310
2824	$coro	3311	$coro
2825	}	3312	}
2826		3313
2827	cf::client->attach (	3314	cf::client->attach (
2828	on_destroy => sub {	3315	on_client_destroy => sub {
2829	my ($ns) = @_;	3316	my ($ns) = @_;
2830		3317
2831	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3318	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2832	},	3319	},
2833	);	3320	);
…		…
2849	our $safe_hole = new Safe::Hole;	3336	our $safe_hole = new Safe::Hole;
2850		3337
2851	$SIG{FPE} = 'IGNORE';	3338	$SIG{FPE} = 'IGNORE';
2852		3339
2853	$safe->permit_only (Opcode::opset qw(	3340	$safe->permit_only (Opcode::opset qw(
2854	:base_core :base_mem :base_orig :base_math	3341	:base_core :base_mem :base_orig :base_math :base_loop
2855	grepstart grepwhile mapstart mapwhile	3342	grepstart grepwhile mapstart mapwhile
2856	sort time	3343	sort time
2857	));	3344	));
2858		3345
2859	# here we export the classes and methods available to script code	3346	# here we export the classes and methods available to script code
…		…
2861	=pod	3348	=pod
2862		3349
2863	The following functions and methods are available within a safe environment:	3350	The following functions and methods are available within a safe environment:
2864		3351
2865	cf::object	3352	cf::object
2866	contr pay_amount pay_player map x y force_find force_add	3353	contr pay_amount pay_player map x y force_find force_add destroy
2867	insert remove name archname title slaying race decrease_ob_nr	3354	insert remove name archname title slaying race decrease split
		3355	value
2868		3356
2869	cf::object::player	3357	cf::object::player
2870	player	3358	player
2871		3359
2872	cf::player	3360	cf::player
…		…
2877		3365
2878	=cut	3366	=cut
2879		3367
2880	for (	3368	for (
2881	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3369	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2882	insert remove inv name archname title slaying race	3370	insert remove inv nrof name archname title slaying race
2883	decrease_ob_nr)],	3371	decrease split destroy change_exp value msg lore send_msg)],
2884	["cf::object::player" => qw(player)],	3372	["cf::object::player" => qw(player)],
2885	["cf::player" => qw(peaceful)],	3373	["cf::player" => qw(peaceful send_msg)],
2886	["cf::map" => qw(trigger)],	3374	["cf::map" => qw(trigger)],
2887	) {	3375	) {
2888	no strict 'refs';
2889	my ($pkg, @funs) = @$_;	3376	my ($pkg, @funs) = @$_;
2890	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3377	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2891	for @funs;	3378	for @funs;
2892	}	3379	}
2893		3380
…		…
2908		3395
2909	my $qcode = $code;	3396	my $qcode = $code;
2910	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3397	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2911	$qcode =~ s/\n/\\n/g;	3398	$qcode =~ s/\n/\\n/g;
2912		3399
		3400	%vars = (_dummy => 0) unless %vars;
		3401
		3402	my @res;
2913	local $_;	3403	local $_;
2914	local @safe::cf::_safe_eval_args = values %vars;
2915		3404
2916	my $eval =	3405	my $eval =
2917	"do {\n"	3406	"do {\n"
2918	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3407	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2919	. "#line 0 \"{$qcode}\"\n"	3408	. "#line 0 \"{$qcode}\"\n"
2920	. $code	3409	. $code
2921	. "\n}"	3410	. "\n}"
2922	;	3411	;
2923		3412
		3413	if ($CFG{safe_eval}) {
2924	sub_generation_inc;	3414	sub_generation_inc;
		3415	local @safe::cf::_safe_eval_args = values %vars;
2925	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3416	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2926	sub_generation_inc;	3417	sub_generation_inc;
		3418	} else {
		3419	local @cf::_safe_eval_args = values %vars;
		3420	@res = wantarray ? eval eval : scalar eval $eval;
		3421	}
2927		3422
2928	if ($@) {	3423	if ($@) {
2929	warn "$@";	3424	warn "$@",
2930	warn "while executing safe code '$code'\n";	3425	"while executing safe code '$code'\n",
2931	warn "with arguments " . (join " ", %vars) . "\n";	3426	"with arguments " . (join " ", %vars) . "\n";
2932	}	3427	}
2933		3428
2934	wantarray ? @res : $res[0]	3429	wantarray ? @res : $res[0]
2935	}	3430	}
2936		3431
…		…
2950	=cut	3445	=cut
2951		3446
2952	sub register_script_function {	3447	sub register_script_function {
2953	my ($fun, $cb) = @_;	3448	my ($fun, $cb) = @_;
2954		3449
2955	no strict 'refs';	3450	$fun = "safe::$fun" if $CFG{safe_eval};
2956	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3451	*$fun = $safe_hole->wrap ($cb);
2957	}	3452	}
2958		3453
2959	=back	3454	=back
2960		3455
2961	=cut	3456	=cut
…		…
2970	# for this (global event?)	3465	# for this (global event?)
2971	%ext::player_env::MUSIC_FACE_CACHE = ();	3466	%ext::player_env::MUSIC_FACE_CACHE = ();
2972		3467
2973	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3468	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2974		3469
2975	warn "loading facedata from $path\n";	3470	trace "loading facedata from $path\n";
2976		3471
2977	my $facedata;	3472	my $facedata = decode_storable load_file $path;
2978	0 < aio_load $path, $facedata
2979	or die "$path: $!";
2980
2981	$facedata = Coro::Storable::thaw $facedata;
2982		3473
2983	$facedata->{version} == 2	3474	$facedata->{version} == 2
2984	or cf::cleanup "$path: version mismatch, cannot proceed.";	3475	or cf::cleanup "$path: version mismatch, cannot proceed.";
2985		3476
2986	# 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]);
2987	$facedata->{resource}{"res/exp_table"} = {	3479	$facedata->{resource}{"res/exp_table"} = {
2988	type => FT_RSRC,	3480	type => FT_RSRC,
2989	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),
2990	};	3483	};
2991	cf::cede_to_tick;	3484	cf::cede_to_tick;
2992		3485
2993	{	3486	{
2994	my $faces = $facedata->{faceinfo};	3487	my $faces = $facedata->{faceinfo};
2995		3488
2996	while (my ($face, $info) = each %$faces) {	3489	while (my ($face, $info) = each %$faces) {
2997	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3490	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3491
2998	cf::face::set_visibility $idx, $info->{visibility};	3492	cf::face::set_visibility $idx, $info->{visibility};
2999	cf::face::set_magicmap $idx, $info->{magicmap};	3493	cf::face::set_magicmap $idx, $info->{magicmap};
3000	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3494	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3001	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} , $info->{glyph} ;
3002		3497
3003	cf::cede_to_tick;	3498	cf::cede_to_tick;
3004	}	3499	}
3005		3500
3006	while (my ($face, $info) = each %$faces) {	3501	while (my ($face, $info) = each %$faces) {
3007	next unless $info->{smooth};	3502	next unless $info->{smooth};
		3503
3008	my $idx = cf::face::find $face	3504	my $idx = cf::face::find $face
3009	or next;	3505	or next;
		3506
3010	if (my $smooth = cf::face::find $info->{smooth}) {	3507	if (my $smooth = cf::face::find $info->{smooth}) {
3011	cf::face::set_smooth $idx, $smooth;	3508	cf::face::set_smooth $idx, $smooth;
3012	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3509	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3013	} else {	3510	} else {
3014	warn "smooth face '$info->{smooth}' not found for face '$face'";	3511	error "smooth face '$info->{smooth}' not found for face '$face'";
3015	}	3512	}
3016		3513
3017	cf::cede_to_tick;	3514	cf::cede_to_tick;
3018	}	3515	}
3019	}	3516	}
…		…
3028		3525
3029	cf::anim::invalidate_all; # d'oh	3526	cf::anim::invalidate_all; # d'oh
3030	}	3527	}
3031		3528
3032	{	3529	{
3033	# TODO: for gcfclient pleasure, we should give resources
3034	# that gcfclient doesn't grok a >10000 face index.
3035	my $res = $facedata->{resource};	3530	my $res = $facedata->{resource};
3036		3531
3037	my $soundconf = delete $res->{"res/sound.conf"};
3038
3039	while (my ($name, $info) = each %$res) {	3532	while (my ($name, $info) = each %$res) {
		3533	if (defined $info->{type}) {
3040	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3534	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3041	my $data;
3042		3535
3043	if ($info->{type} & 1) {	3536	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3044	# prepend meta info	3537	cf::face::set_type $idx, $info->{type};
3045
3046	my $meta = $enc->encode ({
3047	name => $name,
3048	%{ $info->{meta} || {} },
3049	});
3050
3051	$data = pack "(w/a*)*", $meta, $info->{data};
3052	} else {	3538	} else {
3053	$data = $info->{data};	3539	$RESOURCE{$name} = $info; # unused
3054	}	3540	}
3055		3541
3056	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3057	cf::face::set_type $idx, $info->{type};
3058
3059	cf::cede_to_tick;	3542	cf::cede_to_tick;
3060	}	3543	}
3061
3062	if ($soundconf) {
3063	$soundconf = $enc->decode (delete $soundconf->{data});
3064
3065	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3066	my $sound = $soundconf->{compat}[$_]
3067	or next;
3068
3069	my $face = cf::face::find "sound/$sound->[1]";
3070	cf::sound::set $sound->[0] => $face;
3071	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3072	}
3073
3074	while (my ($k, $v) = each %{$soundconf->{event}}) {
3075	my $face = cf::face::find "sound/$v";
3076	cf::sound::set $k => $face;
3077	}
3078	}
3079	}	3544	}
		3545
		3546	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3080		3547
3081	1	3548	1
3082	}	3549	}
3083		3550
3084	register_exticmd fx_want => sub {	3551	register_exticmd fx_want => sub {
…		…
3086		3553
3087	while (my ($k, $v) = each %$want) {	3554	while (my ($k, $v) = each %$want) {
3088	$ns->fx_want ($k, $v);	3555	$ns->fx_want ($k, $v);
3089	}	3556	}
3090	};	3557	};
		3558
		3559	sub load_resource_file($) {
		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	$status
		3567	}
3091		3568
3092	sub reload_regions {	3569	sub reload_regions {
3093	# HACK to clear player env face cache, we need some signal framework	3570	# HACK to clear player env face cache, we need some signal framework
3094	# for this (global event?)	3571	# for this (global event?)
3095	%ext::player_env::MUSIC_FACE_CACHE = ();	3572	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3109	}	3586	}
3110		3587
3111	sub reload_archetypes {	3588	sub reload_archetypes {
3112	load_resource_file "$DATADIR/archetypes"	3589	load_resource_file "$DATADIR/archetypes"
3113	or die "unable to load archetypes\n";	3590	or die "unable to load archetypes\n";
3114	#d# NEED to laod twice to resolve forward references
3115	# this really needs to be done in an extra post-pass
3116	# (which needs to be synchronous, so solve it differently)
3117	load_resource_file "$DATADIR/archetypes"
3118	or die "unable to load archetypes\n";
3119	}	3591	}
3120		3592
3121	sub reload_treasures {	3593	sub reload_treasures {
3122	load_resource_file "$DATADIR/treasures"	3594	load_resource_file "$DATADIR/treasures"
3123	or die "unable to load treasurelists\n";	3595	or die "unable to load treasurelists\n";
3124	}	3596	}
3125		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
3126	sub reload_resources {	3618	sub reload_resources {
3127	warn "reloading resource files...\n";	3619	trace "reloading resource files...\n";
3128		3620
		3621	reload_exp_table;
		3622	reload_materials;
		3623	reload_facedata;
		3624	reload_sound;
		3625	reload_archetypes;
3129	reload_regions;	3626	reload_regions;
3130	reload_facedata;
3131	#reload_archetypes;#d#
3132	reload_archetypes;
3133	reload_treasures;	3627	reload_treasures;
3134		3628
3135	warn "finished reloading resource files\n";	3629	trace "finished reloading resource files\n";
3136	}
3137
3138	sub init {
3139	reload_resources;
3140	}	3630	}
3141		3631
3142	sub reload_config {	3632	sub reload_config {
3143	open my $fh, "<:utf8", "$CONFDIR/config"	3633	trace "reloading config file...\n";
3144	or return;
3145		3634
3146	local $/;	3635	my $config = load_file "$CONFDIR/config";
3147	*CFG = YAML::Syck::Load <$fh>;	3636	utf8::decode $config;
		3637	*CFG = decode_yaml $config;
3148		3638
3149	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3639	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3150		3640
3151	$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};
3152	$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};
3153		3643
3154	if (exists $CFG{mlockall}) {	3644	if (exists $CFG{mlockall}) {
…		…
3158	};	3648	};
3159	warn $@ if $@;	3649	warn $@ if $@;
3160	}	3650	}
3161	}	3651	}
3162		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
3163	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
3164	# we must not ever block the main coroutine	3691	# we must not ever block the main coroutine
3165	local $Coro::idle = sub {	3692	local $Coro::idle = sub {
3166	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#
3167	(async {	3694	(async {
3168	Event::one_event;	3695	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3696	EV::loop EV::LOOP_ONESHOT;
3169	})->prio (Coro::PRIO_MAX);	3697	})->prio (Coro::PRIO_MAX);
3170	};	3698	};
3171		3699
		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;
3172	reload_config;	3712	reload_config;
3173	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
3174	load_extensions;	3723	load_extensions;
3175		3724
3176	$TICK_WATCHER->start;	3725	utime time, time, $RUNTIMEFILE;
3177	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;
3178	}	3743	}
3179		3744
3180	#############################################################################	3745	#############################################################################
3181	# initialisation and cleanup	3746	# initialisation and cleanup
3182		3747
3183	# install some emergency cleanup handlers	3748	# install some emergency cleanup handlers
3184	BEGIN {	3749	BEGIN {
		3750	our %SIGWATCHER = ();
3185	for my $signal (qw(INT HUP TERM)) {	3751	for my $signal (qw(INT HUP TERM)) {
3186	Event->signal (	3752	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3187	reentrant => 0,
3188	data => WF_AUTOCANCEL,
3189	signal => $signal,
3190	prio => 0,
3191	cb => sub {
3192	cf::cleanup "SIG$signal";	3753	cf::cleanup "SIG$signal";
3193	},
3194	);	3754	};
3195	}	3755	}
3196	}	3756	}
3197		3757
3198	sub write_runtime {	3758	sub write_runtime_sync {
3199	my $runtime = "$LOCALDIR/runtime";	3759	my $t0 = AE::time;
3200		3760
3201	# first touch the runtime file to show we are still running:	3761	# first touch the runtime file to show we are still running:
3202	# the fsync below can take a very very long time.	3762	# the fsync below can take a very very long time.
3203		3763
3204	IO::AIO::aio_utime $runtime, undef, undef;	3764	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3205		3765
3206	my $guard = cf::lock_acquire "write_runtime";	3766	my $guard = cf::lock_acquire "write_runtime";
3207		3767
3208	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3768	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3209	or return;	3769	or return;
3210		3770
3211	my $value = $cf::RUNTIME + 90 + 10;	3771	my $value = $cf::RUNTIME + 90 + 10;
3212	# 10 is the runtime save interval, for a monotonic clock	3772	# 10 is the runtime save interval, for a monotonic clock
3213	# 60 allows for the watchdog to kill the server.	3773	# 60 allows for the watchdog to kill the server.
…		…
3223	aio_utime $fh, undef, undef;	3783	aio_utime $fh, undef, undef;
3224		3784
3225	close $fh	3785	close $fh
3226	or return;	3786	or return;
3227		3787
3228	aio_rename "$runtime~", $runtime	3788	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3229	and return;	3789	and return;
3230		3790
3231	warn "runtime file written.\n";	3791	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3232		3792
3233	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 };
3234	}	3844	}
3235		3845
3236	sub emergency_save() {	3846	sub emergency_save() {
3237	my $freeze_guard = cf::freeze_mainloop;	3847	my $freeze_guard = cf::freeze_mainloop;
3238		3848
3239	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;
3240		3855
3241	cf::sync_job {	3856	cf::sync_job {
		3857	cf::write_runtime_sync; # external watchdog should not bark
		3858
3242	# use a peculiar iteration method to avoid tripping on perl	3859	# use a peculiar iteration method to avoid tripping on perl
3243	# refcount bugs in for. also avoids problems with players	3860	# refcount bugs in for. also avoids problems with players
3244	# and maps saved/destroyed asynchronously.	3861	# and maps saved/destroyed asynchronously.
3245	warn "begin emergency player save\n";	3862	info "emergency_perl_save: begin player save\n";
3246	for my $login (keys %cf::PLAYER) {	3863	for my $login (keys %cf::PLAYER) {
3247	my $pl = $cf::PLAYER{$login} or next;	3864	my $pl = $cf::PLAYER{$login} or next;
3248	$pl->valid or next;	3865	$pl->valid or next;
		3866	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3249	$pl->save;	3867	$pl->save;
3250	}	3868	}
3251	warn "end emergency player save\n";	3869	info "emergency_perl_save: end player save\n";
3252		3870
3253	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";
3254	for my $path (keys %cf::MAP) {	3874	for my $path (keys %cf::MAP) {
3255	my $map = $cf::MAP{$path} or next;	3875	my $map = $cf::MAP{$path} or next;
3256	$map->valid or next;	3876	$map->valid or next;
3257	$map->save;	3877	$map->save;
3258	}	3878	}
3259	warn "end emergency map save\n";	3879	info "emergency_perl_save: end map save\n";
3260		3880
3261	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";
3262	BDB::db_env_txn_checkpoint $DB_ENV;	3884	BDB::db_env_txn_checkpoint $DB_ENV;
3263	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 $DB_ENV;
		3895
		3896	info "emergency_perl_save: starting sync\n";
		3897	IO::AIO::aio_sync sub {
		3898	info "emergency_perl_save: finished sync\n";
		3899	};
		3900
		3901	cf::write_runtime_sync; # external watchdog should not bark
		3902
		3903	trace "emergency_perl_save: flushing outstanding aio requests";
		3904	while (IO::AIO::nreqs || BDB::nreqs) {
		3905	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3906	}
		3907
		3908	cf::write_runtime_sync; # external watchdog should not bark
3264	};	3909	};
3265		3910
3266	warn "leave emergency perl save\n";	3911	info "emergency_perl_save: leave\n";
3267	}	3912	}
3268		3913
3269	sub post_cleanup {	3914	sub post_cleanup {
3270	my ($make_core) = @_;	3915	my ($make_core) = @_;
3271		3916
		3917	IO::AIO::flush;
		3918
3272	warn Carp::longmess "post_cleanup backtrace"	3919	error Carp::longmess "post_cleanup backtrace"
3273	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	}
3274	}	3949	}
3275		3950
3276	sub do_reload_perl() {	3951	sub do_reload_perl() {
3277	# can/must only be called in main	3952	# can/must only be called in main
3278	if ($Coro::current != $Coro::main) {	3953	unless (in_main) {
3279	warn "can only reload from main coroutine";	3954	error "can only reload from main coroutine";
3280	return;	3955	return;
3281	}	3956	}
3282		3957
3283	warn "reloading...";	3958	return if $RELOAD++;
3284		3959
3285	warn "entering sync_job";	3960	my $t1 = AE::time;
3286		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
3287	cf::sync_job {	3968	cf::sync_job {
3288	cf::write_runtime; # external watchdog should not bark
3289	cf::emergency_save;	3969	#cf::emergency_save;
3290	cf::write_runtime; # external watchdog should not bark
3291		3970
3292	warn "syncing database to disk";
3293	BDB::db_env_txn_checkpoint $DB_ENV;
3294
3295	# if anything goes wrong in here, we should simply crash as we already saved
3296
3297	warn "cancelling all WF_AUTOCANCEL watchers";
3298	for (Event::all_watchers) {
3299	$_->cancel if $_->data & WF_AUTOCANCEL;
3300	}
3301
3302	warn "flushing outstanding aio requests";
3303	for (;;) {
3304	BDB::flush;
3305	IO::AIO::flush;
3306	Coro::cede;
3307	last unless IO::AIO::nreqs || BDB::nreqs;
3308	warn "iterate...";
3309	}
3310
3311	++$RELOAD;
3312
3313	warn "cancelling all extension coros";	3971	trace "perl_reload: cancelling all extension coros";
3314	$_->cancel for values %EXT_CORO;	3972	$_->cancel for values %EXT_CORO;
3315	%EXT_CORO = ();	3973	%EXT_CORO = ();
3316		3974
3317	warn "removing commands";	3975	trace "perl_reload: removing commands";
3318	%COMMAND = ();	3976	%COMMAND = ();
3319		3977
3320	warn "removing ext/exti commands";	3978	trace "perl_reload: removing ext/exti commands";
3321	%EXTCMD = ();	3979	%EXTCMD = ();
3322	%EXTICMD = ();	3980	%EXTICMD = ();
3323		3981
3324	warn "unloading/nuking all extensions";	3982	trace "perl_reload: unloading/nuking all extensions";
3325	for my $pkg (@EXTS) {	3983	for my $pkg (@EXTS) {
3326	warn "... unloading $pkg";	3984	trace "... unloading $pkg";
3327		3985
3328	if (my $cb = $pkg->can ("unload")) {	3986	if (my $cb = $pkg->can ("unload")) {
3329	eval {	3987	eval {
3330	$cb->($pkg);	3988	$cb->($pkg);
3331	1	3989	1
3332	} 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;
3333	}	3995	}
3334		3996
3335	warn "... nuking $pkg";
3336	Symbol::delete_package $pkg;
3337	}
3338
3339	warn "unloading all perl modules loaded from $LIBDIR";	3997	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3340	while (my ($k, $v) = each %INC) {	3998	while (my ($k, $v) = each %INC) {
3341	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3999	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3342		4000
3343	warn "... unloading $k";	4001	trace "... unloading $k";
3344	delete $INC{$k};	4002	delete $INC{$k};
3345		4003
3346	$k =~ s/\.pm$//;	4004	$k =~ s/\.pm$//;
3347	$k =~ s/\//::/g;	4005	$k =~ s/\//::/g;
3348		4006
3349	if (my $cb = $k->can ("unload_module")) {	4007	if (my $cb = $k->can ("unload_module")) {
3350	$cb->();	4008	$cb->();
		4009	}
		4010
		4011	clear_package $k;
3351	}	4012	}
3352		4013
3353	Symbol::delete_package $k;
3354	}
3355
3356	warn "getting rid of safe::, as good as possible";	4014	trace "perl_reload: getting rid of safe::, as good as possible";
3357	Symbol::delete_package "safe::$_"	4015	clear_package "safe::$_"
3358	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);
3359		4017
3360	warn "unloading cf.pm \"a bit\"";	4018	trace "perl_reload: unloading cf.pm \"a bit\"";
3361	delete $INC{"cf.pm"};	4019	delete $INC{"cf.pm"};
3362	delete $INC{"cf/pod.pm"};	4020	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3363		4021
3364	# don't, removes xs symbols, too,	4022	# don't, removes xs symbols, too,
3365	# and global variables created in xs	4023	# and global variables created in xs
3366	#Symbol::delete_package __PACKAGE__;	4024	#clear_package __PACKAGE__;
3367		4025
3368	warn "unload completed, starting to reload now";	4026	info "perl_reload: unload completed, starting to reload now";
3369		4027
3370	warn "reloading cf.pm";	4028	trace "perl_reload: reloading cf.pm";
3371	require cf;	4029	require cf;
3372	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4030	cf::_connect_to_perl_1;
3373		4031
3374	warn "loading config and database again";	4032	trace "perl_reload: loading config and database again";
3375	cf::reload_config;	4033	cf::reload_config;
3376		4034
3377	warn "loading extensions";	4035	trace "perl_reload: loading extensions";
3378	cf::load_extensions;	4036	cf::load_extensions;
3379		4037
		4038	if ($REATTACH_ON_RELOAD) {
3380	warn "reattaching attachments to objects/players";	4039	trace "perl_reload: reattaching attachments to objects/players";
3381	_global_reattach; # objects, sockets	4040	_global_reattach; # objects, sockets
3382	warn "reattaching attachments to maps";	4041	trace "perl_reload: reattaching attachments to maps";
3383	reattach $_ for values %MAP;	4042	reattach $_ for values %MAP;
3384	warn "reattaching attachments to players";	4043	trace "perl_reload: reattaching attachments to players";
3385	reattach $_ for values %PLAYER;	4044	reattach $_ for values %PLAYER;
		4045	}
3386		4046
3387	warn "leaving sync_job";	4047	cf::_post_init 1;
3388		4048
		4049	trace "perl_reload: leaving sync_job";
		4050
3389	1	4051	1
3390	} or do {	4052	} or do {
3391	warn $@;	4053	error $@;
3392	warn "error while reloading, exiting.";	4054	cf::cleanup "perl_reload: error, exiting.";
3393	exit 1;	4055	};
		4056
		4057	--$RELOAD;
3394	};	4058	}
3395		4059
3396	warn "reloaded";	4060	$t1 = AE::time - $t1;
		4061	info "perl_reload: completed in ${t1}s\n";
3397	};	4062	};
3398		4063
3399	our $RELOAD_WATCHER; # used only during reload	4064	our $RELOAD_WATCHER; # used only during reload
3400		4065
3401	sub reload_perl() {	4066	sub reload_perl() {
3402	# doing reload synchronously and two reloads happen back-to-back,	4067	# doing reload synchronously and two reloads happen back-to-back,
3403	# coro crashes during coro_state_free->destroy here.	4068	# coro crashes during coro_state_free->destroy here.
3404		4069
3405	$RELOAD_WATCHER ||= Event->timer (	4070	$RELOAD_WATCHER ||= cf::async {
3406	reentrant => 0,	4071	Coro::AIO::aio_wait cache_extensions;
3407	after => 0,	4072
3408	data => WF_AUTOCANCEL,	4073	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3409	cb => sub {
3410	do_reload_perl;	4074	do_reload_perl;
3411	undef $RELOAD_WATCHER;	4075	undef $RELOAD_WATCHER;
3412	},	4076	};
3413	);	4077	};
3414	}	4078	}
3415		4079
3416	register_command "reload" => sub {	4080	register_command "reload" => sub {
3417	my ($who, $arg) = @_;	4081	my ($who, $arg) = @_;
3418		4082
3419	if ($who->flag (FLAG_WIZ)) {	4083	if ($who->flag (FLAG_WIZ)) {
3420	$who->message ("reloading server.");	4084	$who->message ("reloading server.");
		4085	async {
		4086	$Coro::current->{desc} = "perl_reload";
3421	async { reload_perl };	4087	reload_perl;
		4088	};
3422	}	4089	}
3423	};	4090	};
3424		4091
3425	unshift @INC, $LIBDIR;	4092	#############################################################################
3426		4093
3427	my $bug_warning = 0;	4094	my $bug_warning = 0;
3428		4095
3429	our @WAIT_FOR_TICK;	4096	our @WAIT_FOR_TICK;
3430	our @WAIT_FOR_TICK_BEGIN;	4097	our @WAIT_FOR_TICK_BEGIN;
3431		4098
3432	sub wait_for_tick {	4099	sub wait_for_tick() {
3433	return unless $TICK_WATCHER->is_active;
3434	return if $Coro::current == $Coro::main;	4100	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3435		4101
3436	my $signal = new Coro::Signal;	4102	my $signal = new Coro::Signal;
3437	push @WAIT_FOR_TICK, $signal;	4103	push @WAIT_FOR_TICK, $signal;
3438	$signal->wait;	4104	$signal->wait;
3439	}	4105	}
3440		4106
3441	sub wait_for_tick_begin {	4107	sub wait_for_tick_begin() {
3442	return unless $TICK_WATCHER->is_active;
3443	return if $Coro::current == $Coro::main;	4108	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3444		4109
3445	my $signal = new Coro::Signal;	4110	my $signal = new Coro::Signal;
3446	push @WAIT_FOR_TICK_BEGIN, $signal;	4111	push @WAIT_FOR_TICK_BEGIN, $signal;
3447	$signal->wait;	4112	$signal->wait;
3448	}	4113	}
3449		4114
3450	our $stat_fh;	4115	sub tick {
3451	sysopen $stat_fh, "/tmp/cfstats", Fcntl::O_APPEND | Fcntl::O_CREAT | Fcntl::O_WRONLY, 0600;#d#
3452
3453	$TICK_WATCHER = Event->timer (
3454	reentrant => 0,
3455	parked => 1,
3456	prio => 0,
3457	at => $NEXT_TICK || $TICK,
3458	data => WF_AUTOCANCEL,
3459	cb => sub {
3460	if ($Coro::current != $Coro::main) {	4116	if ($Coro::current != $Coro::main) {
3461	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"
3462	unless ++$bug_warning > 10;	4118	unless ++$bug_warning > 10;
3463	return;	4119	return;
3464	}	4120	}
3465		4121
3466	my @pl = cf::player::list; my $stats = sprintf "%.2f %d %d %d", $RUNTIME, (scalar @pl), cf::object::actives_size, cf::object::objects_size; #d#
3467
3468	$NOW = $tick_start = Event::time;
3469
3470	cf::server_tick; # one server iteration	4122	cf::server_tick; # one server iteration
3471		4123
3472	$RUNTIME += $TICK;	4124	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3473	$NEXT_TICK += $TICK;
3474		4125
3475	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4126	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3476	$NEXT_RUNTIME_WRITE = $NOW + 10;	4127	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3477	Coro::async_pool {	4128	Coro::async_pool {
		4129	$Coro::current->{desc} = "runtime saver";
3478	write_runtime	4130	write_runtime_sync
3479	or warn "ERROR: unable to write runtime file: $!";	4131	or error "ERROR: unable to write runtime file: $!";
3480	};
3481	}	4132	};
		4133	}
3482		4134
3483	# my $AFTER = Event::time;
3484	# warn $AFTER - $NOW;#d#
3485
3486	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4135	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3487	$sig->send;	4136	$sig->send;
3488	}	4137	}
3489	while (my $sig = shift @WAIT_FOR_TICK) {	4138	while (my $sig = shift @WAIT_FOR_TICK) {
3490	$sig->send;	4139	$sig->send;
3491	}	4140	}
3492		4141
3493	$NOW = Event::time;	4142	$LOAD = ($NOW - $TICK_START) / $TICK;
3494
3495	# if we are delayed by four ticks or more, skip them all
3496	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3497
3498	$TICK_WATCHER->at ($NEXT_TICK);
3499	$TICK_WATCHER->start;
3500
3501	$LOAD = ($NOW - $tick_start) / $TICK;
3502	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4143	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3503		4144
3504	_post_tick;	4145	if (0) {
3505		4146	if ($NEXT_TICK) {
3506	# gather some statistics#d#	4147	my $jitter = $TICK_START - $NEXT_TICK;
3507	$stats .= sprintf " %d\n", 10000 * ($NOW - $tick_start);#d#	4148	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3508	IO::AIO::aio_write $stat_fh, undef, undef, $stats, 0;#d#	4149	debug "jitter $JITTER\n";#d#
		4150	}
3509	},	4151	}
3510	);	4152	}
3511		4153
3512	{	4154	{
		4155	# configure BDB
		4156
3513	BDB::min_parallel 8;	4157	BDB::min_parallel 16;
3514	BDB::max_poll_time $TICK * 0.1;	4158	BDB::max_poll_reqs $TICK * 0.1;
3515	$BDB_POLL_WATCHER = Event->io (	4159	$AnyEvent::BDB::WATCHER->priority (1);
3516	reentrant => 0,
3517	fd => BDB::poll_fileno,
3518	poll => 'r',
3519	prio => 0,
3520	data => WF_AUTOCANCEL,
3521	cb => \&BDB::poll_cb,
3522	);
3523
3524	BDB::set_sync_prepare {
3525	my $status;
3526	my $current = $Coro::current;
3527	(
3528	sub {
3529	$status = $!;
3530	$current->ready; undef $current;
3531	},
3532	sub {
3533	Coro::schedule while defined $current;
3534	$! = $status;
3535	},
3536	)
3537	};
3538		4160
3539	unless ($DB_ENV) {	4161	unless ($DB_ENV) {
3540	$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);
3541		4168
3542	cf::sync_job {	4169	cf::sync_job {
3543	eval {	4170	eval {
3544	BDB::db_env_open	4171	BDB::db_env_open
3545	$DB_ENV,	4172	$DB_ENV,
…		…
3547	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
3548	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4175	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3549	0666;	4176	0666;
3550		4177
3551	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4178	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3552
3553	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3554	| BDB::LOG_AUTOREMOVE, 1);
3555	$DB_ENV->set_lk_detect;
3556	};	4179	};
3557		4180
3558	cf::cleanup "db_env_open(db): $@" if $@;	4181	cf::cleanup "db_env_open(db): $@" if $@;
3559	};	4182	};
3560	}	4183	}
3561		4184
3562	$BDB_CHECKPOINT_WATCHER = Event->timer (	4185	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3563	after => 11,	4186	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3564	interval => 60,	4187	};
3565	hard => 1,	4188	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3566	prio => 0,
3567	data => WF_AUTOCANCEL,
3568	cb => sub {
3569	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4189	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3570	},
3571	);	4190	};
3572	$BDB_TRICKLE_WATCHER = Event->timer (	4191	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3573	after => 5,
3574	interval => 10,
3575	hard => 1,
3576	prio => 0,
3577	data => WF_AUTOCANCEL,
3578	cb => sub {
3579	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4192	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3580	},
3581	);	4193	};
3582	}	4194	}
3583		4195
3584	{	4196	{
		4197	# configure IO::AIO
		4198
3585	IO::AIO::min_parallel 8;	4199	IO::AIO::min_parallel 8;
3586
3587	undef $Coro::AIO::WATCHER;
3588	IO::AIO::max_poll_time $TICK * 0.1;	4200	IO::AIO::max_poll_time $TICK * 0.1;
3589	$AIO_POLL_WATCHER = Event->io (	4201	undef $AnyEvent::AIO::WATCHER;
3590	reentrant => 0,
3591	data => WF_AUTOCANCEL,
3592	fd => IO::AIO::poll_fileno,
3593	poll => 'r',
3594	prio => 6,
3595	cb => \&IO::AIO::poll_cb,
3596	);
3597	}	4202	}
3598		4203
3599	my $_log_backtrace;	4204	our $_log_backtrace;
		4205	our $_log_backtrace_last;
3600		4206
3601	sub _log_backtrace {	4207	sub _log_backtrace {
3602	my ($msg, @addr) = @_;	4208	my ($msg, @addr) = @_;
3603		4209
3604	$msg =~ s/\n//;	4210	$msg =~ s/\n$//;
3605		4211
		4212	if ($_log_backtrace_last eq $msg) {
		4213	LOG llevInfo, "[ABT] $msg\n";
		4214	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3606	# limit the # of concurrent backtraces	4215	# limit the # of concurrent backtraces
3607	if ($_log_backtrace < 2) {	4216	} elsif ($_log_backtrace < 2) {
		4217	$_log_backtrace_last = $msg;
3608	++$_log_backtrace;	4218	++$_log_backtrace;
		4219	my $perl_bt = Carp::longmess $msg;
3609	async {	4220	async {
		4221	$Coro::current->{desc} = "abt $msg";
		4222
3610	my @bt = fork_call {	4223	my @bt = fork_call {
3611	@addr = map { sprintf "%x", $_ } @addr;	4224	@addr = map { sprintf "%x", $_ } @addr;
3612	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4225	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3613	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 |"
3614	or die "addr2line: $!";	4227	or die "addr2line: $!";
…		…
3622	}	4235	}
3623		4236
3624	@funcs	4237	@funcs
3625	};	4238	};
3626		4239
3627	LOG llevInfo, "[ABT] $msg\n";	4240	LOG llevInfo, "[ABT] $perl_bt\n";
		4241	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3628	LOG llevInfo, "[ABT] $_\n" for @bt;	4242	LOG llevInfo, "[ABT] $_\n" for @bt;
3629	--$_log_backtrace;	4243	--$_log_backtrace;
3630	};	4244	};
3631	} else {	4245	} else {
3632	LOG llevInfo, "[ABT] $msg\n";	4246	LOG llevInfo, "[ABT] $msg\n";
3633	LOG llevInfo, "[ABT] [suppressed]\n";	4247	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3634	}	4248	}
3635	}	4249	}
3636		4250
3637	# load additional modules	4251	# load additional modules
3638	use cf::pod;	4252	require "cf/$_.pm" for @EXTRA_MODULES;
		4253	cf::_connect_to_perl_2;
3639		4254
3640	END { cf::emergency_save }	4255	END { cf::emergency_save }
3641		4256
3642	1	4257	1
3643		4258

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