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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.362 by root, Mon Sep 10 12:44:06 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
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
84	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
86		132
87	our %CFG;	133	our %CFG;
88		134
89	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
91		138
92	our (%PLAYER, %PLAYER_LOADING); # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
93	our (%MAP, %MAP_LOADING ); # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
95		142
96	# used to convert map paths into valid unix filenames by replacing / by ∕	143	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		145
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	146	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	149	our $TICK_START; # for load detecting purposes
		150
		151	our @POST_INIT;
		152
		153	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		154	our $REALLY_UNLOOP; # never set to true, please :)
102		155
103	binmode STDOUT;	156	binmode STDOUT;
104	binmode STDERR;	157	binmode STDERR;
105		158
106	# read virtual server time, if available	159	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	161	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
111	}	164	}
		165
		166	eval "sub TICK() { $TICK } 1" or die;
112		167
113	mkdir $_	168	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		170
116	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
117		172
118	sub cf::map::normalise;	173	sub cf::map::normalise;
		174
		175	sub in_main() {
		176	$Coro::current == $Coro::main
		177	}
		178
		179	#############################################################################
		180
		181	%REFLECT = ();
		182	for (@REFLECT) {
		183	my $reflect = JSON::XS::decode_json $_;
		184	$REFLECT{$reflect->{class}} = $reflect;
		185	}
		186
		187	# this is decidedly evil
		188	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
119		189
120	#############################################################################	190	#############################################################################
121		191
122	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
123		193
…		…
159		229
160	The raw value load value from the last tick.	230	The raw value load value from the last tick.
161		231
162	=item %cf::CFG	232	=item %cf::CFG
163		233
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	235	from wherever your confdir points to.
166		236
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		238
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	239	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
170	returns directly I<after> the tick processing (and consequently, can only wake one process	240	returns directly I<after> the tick processing (and consequently, can only wake one thread
171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
172		242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
173	=item @cf::INVOKE_RESULTS	248	=item @cf::INVOKE_RESULTS
174		249
175	This array contains the results of the last C<invoke ()> call. When	250	This array contains the results of the last C<invoke ()> call. When
176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177	that call.	252	that call.
178		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
		259
179	=back	260	=back
180		261
181	=cut	262	=cut
182		263
183	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
184	*CORE::GLOBAL::warn = sub {	265	sub warn (@) { LOG llevWarn , join "", @_ }
		266	sub info (@) { LOG llevInfo , join "", @_ }
		267	sub debug(@) { LOG llevDebug, join "", @_ }
		268	sub trace(@) { LOG llevTrace, join "", @_ }
		269
		270	$Coro::State::WARNHOOK = sub {
185	my $msg = join "", @_;	271	my $msg = join "", @_;
186		272
187	$msg .= "\n"	273	$msg .= "\n"
188	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
189		275
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		277
192	LOG llevError, $msg;	278	LOG llevWarn, $msg;
193	};	279	};
194	}	280
		281	$Coro::State::DIEHOOK = sub {
		282	return unless $^S eq 0; # "eq", not "=="
		283
		284	error Carp::longmess $_[0];
		285
		286	if (in_main) {#d#
		287	error "DIEHOOK called in main context, Coro bug?\n";#d#
		288	return;#d#
		289	}#d#
		290
		291	# kill coroutine otherwise
		292	Coro::terminate
		293	};
195		294
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	305	for my $pkg (qw(
207	cf::global cf::attachable	306	cf::global cf::attachable
208	cf::object cf::object::player	307	cf::object cf::object::player
209	cf::client cf::player	308	cf::client cf::player
210	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
211	cf::map cf::party cf::region	311	cf::party cf::region
212	)) {	312	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	314	}
216		315
217	$Event::DIED = sub {	316	$EV::DIED = sub {
218	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
219	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
220		324
221	#############################################################################	325	#############################################################################
222		326
223	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
224		328
…		…
245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	349	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246	$d	350	$d
247	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
248	}	352	}
249		353
		354	=item $scalar = load_file $path
		355
		356	Loads the given file from path and returns its contents. Croaks on error
		357	and can block.
		358
		359	=cut
		360
		361	sub load_file($) {
		362	0 <= aio_load $_[0], my $data
		363	or Carp::croak "$_[0]: $!";
		364
		365	$data
		366	}
		367
250	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
251		369
252	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
253		371
254	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
255		373
256	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
257		375
258	=cut	376	=cut
259		377
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		379
262	sub to_json ($) { $json_coder->encode ($_[0]) }	380	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[0]) }	381	sub decode_json($) { $json_coder->decode ($_[0]) }
		382
		383	=item $ref = cf::decode_storable $scalar
		384
		385	Same as Coro::Storable::thaw, so blocks.
		386
		387	=cut
		388
		389	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		390
		391	=item $ref = cf::decode_yaml $scalar
		392
		393	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		394
		395	=cut
		396
		397	sub decode_yaml($) {
		398	fork_call { YAML::XS::Load $_[0] } @_
		399	}
		400
		401	=item $scalar = cf::unlzf $scalar
		402
		403	Same as Compress::LZF::compress, but takes server ticks into account, so
		404	blocks.
		405
		406	=cut
		407
		408	sub unlzf($) {
		409	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		410	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		411	Compress::LZF::decompress $_[0]
		412	}
		413
		414	=item cf::post_init { BLOCK }
		415
		416	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		417	but I<before> the server starts ticking again.
		418
		419	The codeblock will have a single boolean argument to indicate whether this
		420	is a reload or not.
		421
		422	=cut
		423
		424	sub post_init(&) {
		425	push @POST_INIT, shift;
		426	}
		427
		428	sub _post_init {
		429	trace "running post_init jobs";
		430
		431	# run them in parallel...
		432
		433	my @join;
		434
		435	while () {
		436	push @join, map &Coro::async ($_, 0), @POST_INIT;
		437	@POST_INIT = ();
		438
		439	@join or last;
		440
		441	(pop @join)->join;
		442	}
		443	}
264		444
265	=item cf::lock_wait $string	445	=item cf::lock_wait $string
266		446
267	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
268		448
269	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
270		450
271	Wait until the given lock is available and then acquires it and returns	451	Wait until the given lock is available and then acquires it and returns
272	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	452	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
273	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
274	returned.	454	returned.
275		455
276	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
277	deadlocked coro.	457	deadlocked coro.
…		…
283		463
284	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.
285		465
286	=cut	466	=cut
287		467
288	our %LOCK;	468	our $LOCKS = new Coro::SemaphoreSet;
289	our %LOCKER;#d#
290		469
291	sub lock_wait($) {	470	sub lock_wait($) {
292	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
293
294	if ($LOCKER{$key} == $Coro::current) {#d#
295	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
296	return;#d#
297	}#d#
298
299	# wait for lock, if any
300	while ($LOCK{$key}) {
301	push @{ $LOCK{$key} }, $Coro::current;
302	Coro::schedule;
303	}
304	}	472	}
305		473
306	sub lock_acquire($) {	474	sub lock_acquire($) {
307	my ($key) = @_;	475	$LOCKS->guard ($_[0])
308
309	# wait, to be sure we are not locked
310	lock_wait $key;
311
312	$LOCK{$key} = [];
313	$LOCKER{$key} = $Coro::current;#d#
314
315	Coro::guard {
316	delete $LOCKER{$key};#d#
317	# wake up all waiters, to be on the safe side
318	$_->ready for @{ delete $LOCK{$key} };
319	}
320	}	476	}
321		477
322	sub lock_active($) {	478	sub lock_active($) {
323	my ($key) = @_;	479	$LOCKS->count ($_[0]) < 1
324
325	! ! $LOCK{$key}
326	}	480	}
327		481
328	sub freeze_mainloop {	482	sub freeze_mainloop {
329	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
330		484
331	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
332	$TICK_WATCHER->start;	486	}
333	};	487
334	$TICK_WATCHER->stop;	488	=item cf::periodic $interval, $cb
335	$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
336	}	501	}
337		502
338	=item cf::get_slot $time[, $priority[, $name]]	503	=item cf::get_slot $time[, $priority[, $name]]
339		504
340	Allocate $time seconds of blocking CPU time at priority C<$priority>:	505	Allocate $time seconds of blocking CPU time at priority C<$priority>
341	This call blocks and returns only when you have at least C<$time> seconds	506	(default: 0): This call blocks and returns only when you have at least
342	of cpu time till the next tick. The slot is only valid till the next cede.	507	C<$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.
343		512
344	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
345	used for statistical purposes and should identify the same time-class.	514	used for statistical purposes and should identify the same time-class.
346		515
347	Useful for short background jobs.	516	Useful for short background jobs.
348		517
349	=cut	518	=cut
350		519
351	our @SLOT_QUEUE;	520	our @SLOT_QUEUE;
352	our $SLOT_QUEUE;	521	our $SLOT_QUEUE;
		522	our $SLOT_DECAY = 0.9;
353		523
354	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	524	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
355	$SLOT_QUEUE = Coro::async {	525	$SLOT_QUEUE = Coro::async {
		526	$Coro::current->desc ("timeslot manager");
		527
356	my $signal = new Coro::Signal;	528	my $signal = new Coro::Signal;
		529	my $busy;
357		530
358	while () {	531	while () {
359	next_job:	532	next_job:
		533
360	my $avail = cf::till_tick;	534	my $avail = cf::till_tick;
361	if ($avail > 0.01) {	535
362	for (0 .. $#SLOT_QUEUE) {	536	for (0 .. $#SLOT_QUEUE) {
363	if ($SLOT_QUEUE[$_][0] < $avail) {	537	if ($SLOT_QUEUE[$_][0] <= $avail) {
		538	$busy = 0;
364	my $job = splice @SLOT_QUEUE, $_, 1, ();	539	my $job = splice @SLOT_QUEUE, $_, 1, ();
365	$job->[2]->send;	540	$job->[2]->send;
366	Coro::cede;	541	Coro::cede;
367	goto next_job;	542	goto next_job;
368	}	543	} else {
		544	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
369	}	545	}
370	}	546	}
371		547
372	if (@SLOT_QUEUE) {	548	if (@SLOT_QUEUE) {
373	# 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
374	push @cf::WAIT_FOR_TICK, $signal;	550	push @cf::WAIT_FOR_TICK, $signal;
375	$signal->wait;	551	$signal->wait;
376	} else {	552	} else {
		553	$busy = 0;
377	Coro::schedule;	554	Coro::schedule;
378	}	555	}
379	}	556	}
380	};	557	};
381		558
382	sub get_slot($;$$) {	559	sub get_slot($;$$) {
		560	return if tick_inhibit || $Coro::current == $Coro::main;
		561
383	my ($time, $pri, $name) = @_;	562	my ($time, $pri, $name) = @_;
384		563
385	$time = $TICK * .6 if $time > $TICK * .6;	564	$time = clamp $time, 0.01, $TICK * .6;
		565
386	my $sig = new Coro::Signal;	566	my $sig = new Coro::Signal;
387		567
388	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	568	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
389	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	569	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
390	$SLOT_QUEUE->ready;	570	$SLOT_QUEUE->ready;
…		…
401		581
402	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
403		583
404	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
405		585
406	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	586	The design of Deliantra requires that the main coroutine ($Coro::main)
407	is always able to handle events or runnable, as Crossfire TRT is only	587	is always able to handle events or runnable, as Deliantra is only
408	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	588	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
409	acceptable.	589	acceptable.
410		590
411	If it must be done, put the blocking parts into C<sync_job>. This will run	591	If it must be done, put the blocking parts into C<sync_job>. This will run
412	the given BLOCK in another coroutine while waiting for the result. The	592	the given BLOCK in another coroutine while waiting for the result. The
…		…
416	=cut	596	=cut
417		597
418	sub sync_job(&) {	598	sub sync_job(&) {
419	my ($job) = @_;	599	my ($job) = @_;
420		600
421	if ($Coro::current == $Coro::main) {	601	if (in_main) {
422	my $time = Event::time;	602	my $time = AE::time;
423		603
424	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
425	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
426		606
427	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
428	# (but this is cancel-safe)	608
429	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
430		610
431	my $busy = 1;	611	my $busy = 1;
432	my @res;	612	my @res;
433		613
434	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
435	@res = eval { $job->() };	616	@res = eval { $job->() };
436	warn $@ if $@;	617	error $@ if $@;
437	undef $busy;	618	undef $busy;
438	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
439		620
440	while ($busy) {	621	while ($busy) {
441	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
442	}	626	}
		627	}
443		628
444	$time = Event::time - $time;	629	my $time = AE::time - $time;
445		630
446	LOG llevError | logBacktrace, Carp::longmess "long sync job"
447	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
448
449	$tick_start += $time; # do not account sync jobs to server load	631	$TICK_START += $time; # do not account sync jobs to server load
450		632
451	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
452	} else {	634	} else {
453	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
454		636
…		…
474	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
475		657
476	$coro	658	$coro
477	}	659	}
478		660
479	=item fork_call { }, $args	661	=item fork_call { }, @args
480		662
481	Executes the given code block with the given arguments in a seperate	663	Executes the given code block with the given arguments in a seperate
482	process, returning the results. Everything must be serialisable with	664	process, returning the results. Everything must be serialisable with
483	Coro::Storable. May, of course, block. Note that the executed sub may	665	Coro::Storable. May, of course, block. Note that the executed sub may
484	never block itself or use any form of Event handling.	666	never block itself or use any form of event handling.
485		667
486	=cut	668	=cut
		669
		670	sub post_fork {
		671	reset_signals;
		672	}
487		673
488	sub fork_call(&@) {	674	sub fork_call(&@) {
489	my ($cb, @args) = @_;	675	my ($cb, @args) = @_;
490		676
491	# we seemingly have to make a local copy of the whole thing,	677	# we seemingly have to make a local copy of the whole thing,
492	# otherwise perl prematurely frees the stuff :/	678	# otherwise perl prematurely frees the stuff :/
493	# TODO: investigate and fix (likely this will be rather laborious)	679	# TODO: investigate and fix (likely this will be rather laborious)
494		680
495	my @res = Coro::Util::fork_eval {	681	my @res = Coro::Util::fork_eval {
496	reset_signals;	682	cf::post_fork;
497	&$cb	683	&$cb
498	}, @args;	684	} @args;
499		685
500	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
501	}	725	}
502		726
503	=item $value = cf::db_get $family => $key	727	=item $value = cf::db_get $family => $key
504		728
505	Returns a single value from the environment database.	729	Returns a single value from the environment database.
…		…
507	=item cf::db_put $family => $key => $value	731	=item cf::db_put $family => $key => $value
508		732
509	Stores the given C<$value> in the family. It can currently store binary	733	Stores the given C<$value> in the family. It can currently store binary
510	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	734	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
511		735
		736	=item $db = cf::db_table "name"
		737
		738	Create and/or open a new database table. The string must not be "db" and must be unique
		739	within each server.
		740
512	=cut	741	=cut
		742
		743	sub db_table($) {
		744	cf::error "db_get called from main context"
		745	if $Coro::current == $Coro::main;
		746
		747	my ($name) = @_;
		748	my $db = BDB::db_create $DB_ENV;
		749
		750	eval {
		751	$db->set_flags (BDB::CHKSUM);
		752
		753	utf8::encode $name;
		754	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		755	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		756	cf::cleanup "db_open(db): $!" if $!;
		757	};
		758	cf::cleanup "db_open(db): $@" if $@;
		759
		760	$db
		761	}
513		762
514	our $DB;	763	our $DB;
515		764
516	sub db_init {	765	sub db_init {
517	unless ($DB) {	766	$DB ||= db_table "db";
518	$DB = BDB::db_create $DB_ENV;
519
520	cf::sync_job {
521	eval {
522	$DB->set_flags (BDB::CHKSUM);
523
524	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
525	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
526	cf::cleanup "db_open(db): $!" if $!;
527	};
528	cf::cleanup "db_open(db): $@" if $@;
529	};
530	}
531	}	767	}
532		768
533	sub db_get($$) {	769	sub db_get($$) {
534	my $key = "$_[0]/$_[1]";	770	my $key = "$_[0]/$_[1]";
535		771
536	cf::sync_job {	772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
537	BDB::db_get $DB, undef, $key, my $data;	775	BDB::db_get $DB, undef, $key, my $data;
538		776
539	$! ? ()	777	$! ? ()
540	: $data	778	: $data
541	}
542	}	779	}
543		780
544	sub db_put($$$) {	781	sub db_put($$$) {
545	BDB::dbreq_pri 4;	782	BDB::dbreq_pri 4;
546	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
574		811
575	my @data;	812	my @data;
576	my $md5;	813	my $md5;
577		814
578	for (0 .. $#$src) {	815	for (0 .. $#$src) {
579	0 <= aio_load $src->[$_], $data[$_]	816	$data[$_] = load_file $src->[$_];
580	or Carp::croak "$src->[$_]: $!";
581	}	817	}
582		818
583	# if processing is expensive, check	819	# if processing is expensive, check
584	# checksum first	820	# checksum first
585	if (1) {	821	if (1) {
…		…
602		838
603	my $t1 = Time::HiRes::time;	839	my $t1 = Time::HiRes::time;
604	my $data = $process->(\@data);	840	my $data = $process->(\@data);
605	my $t2 = Time::HiRes::time;	841	my $t2 = Time::HiRes::time;
606		842
607	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
608		844
609	db_put cache => "$id/data", $data;	845	db_put cache => "$id/data", $data;
610	db_put cache => "$id/md5" , $md5;	846	db_put cache => "$id/md5" , $md5;
611	db_put cache => "$id/meta", $meta;	847	db_put cache => "$id/meta", $meta;
612		848
…		…
622		858
623	=cut	859	=cut
624		860
625	sub datalog($@) {	861	sub datalog($@) {
626	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
627	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
628	}	864	}
629		865
630	=back	866	=back
631		867
632	=cut	868	=cut
633		869
634	#############################################################################	870	#############################################################################
635		871
636	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
637		873
638	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
639	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")
640	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
641		877
642	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>
643	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
644	Crossfire TRT).	880	Deliantra).
645		881
646	=over 4	882	=over 4
647		883
648	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
649		885
…		…
693	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
694		930
695	Register an attachment by C<$name> through which attachable objects of the	931	Register an attachment by C<$name> through which attachable objects of the
696	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
697		933
698	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
699	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.
700		936
701	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
702		938
703	=over 4	939	=over 4
…		…
827		1063
828	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
829	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
830		1066
831	} elsif (ref $type) {	1067	} elsif (ref $type) {
832	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
833		1069
834	} else {	1070	} else {
835	shift @arg;	1071	shift @arg;
836	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
837	}	1073	}
838	}	1074	}
839	}	1075	}
840		1076
841	sub _object_attach {	1077	sub _object_attach {
…		…
851	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
852	}	1088	}
853		1089
854	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
855	} else {	1091	} else {
856	warn "object uses attachment '$name' which is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
857	}	1093	}
858		1094
859	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
860	}	1096	}
861		1097
…		…
920		1156
921	for (@$callbacks) {	1157	for (@$callbacks) {
922	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
923		1159
924	if ($@) {	1160	if ($@) {
925	warn "$@";
926	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
927	override;	1162	override;
928	}	1163	}
929		1164
930	return 1 if $override;	1165	return 1 if $override;
931	}	1166	}
932		1167
933	0	1168	0
934	}	1169	}
935		1170
936	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
937		1172
938	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
939		1174
940	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
941		1176
…		…
947		1182
948	=cut	1183	=cut
949		1184
950	#############################################################################	1185	#############################################################################
951	# object support	1186	# object support
952	#
953		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 $SLOW_MERGES;#d#
954	sub _can_merge {	1221	sub _can_merge {
955	my ($ob1, $ob2) = @_;	1222	my ($ob1, $ob2) = @_;
956		1223
957	local $Storable::canonical = 1;	1224	++$SLOW_MERGES;#d#
958	my $fob1 = Storable::freeze $ob1;
959	my $fob2 = Storable::freeze $ob2;
960		1225
961	$fob1 eq $fob2	1226	# we do the slow way here
		1227	return _object_equal $ob1, $ob2
962	}	1228	}
963		1229
964	sub reattach {	1230	sub reattach {
965	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
966	my ($obj) = @_;	1232	my ($obj) = @_;
967		1233
		1234	# no longer needed after getting rid of delete_package?
968	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
969		1236
970	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
971		1238
972	@$registry = ();	1239	@$registry = ();
973		1240
…		…
978	for (@$attach) {	1245	for (@$attach) {
979	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
980	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
981	}	1248	}
982	} else {	1249	} else {
983	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
984	}	1251	}
985	}	1252	}
986	}	1253	}
987		1254
988	cf::attachable->attach (	1255	cf::attachable->attach (
989	prio => -1000000,	1256	prio => -1000000,
990	on_instantiate => sub {	1257	on_instantiate => sub {
991	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
992		1259
993	$data = from_json $data;	1260	$data = decode_json $data;
994		1261
995	for (@$data) {	1262	for (@$data) {
996	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
997		1264
998	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
1012	);	1279	);
1013		1280
1014	sub object_freezer_save {	1281	sub object_freezer_save {
1015	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
1016		1283
1017	my $guard = cf::lock_acquire "io";
1018
1019	sync_job {	1284	sync_job {
1020	if (length $$rdata) {	1285	if (length $$rdata) {
1021	utf8::decode (my $decname = $filename);	1286	utf8::decode (my $decname = $filename);
1022	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
1023	$decname, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
1024		1290
1025	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1026	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
1027	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1028	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	}
1029	close $fh;	1298	aio_close $fh;
1030		1299
1031	if (@$objs) {	1300	if (@$objs) {
1032	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) {
1033	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
1034	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1035	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
1036	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	}
1037	close $fh;	1309	aio_close $fh;
1038	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
1039	}	1311	}
1040	} else {	1312	} else {
1041	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
1042	}	1314	}
1043		1315
1044	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
1045	} else {	1320	} else {
1046	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
1047	}	1322	}
1048	} else {	1323	} else {
1049	aio_unlink $filename;	1324	aio_unlink $filename;
1050	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
1051	}	1326	}
1052	};	1327	};
1053
1054	undef $guard;
1055	}	1328	}
1056		1329
1057	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
1058	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
1059		1332
…		…
1064		1337
1065	sub object_thawer_load {	1338	sub object_thawer_load {
1066	my ($filename) = @_;	1339	my ($filename) = @_;
1067		1340
1068	my ($data, $av);	1341	my ($data, $av);
1069
1070	my $guard = cf::lock_acquire "io";
1071		1342
1072	(aio_load $filename, $data) >= 0	1343	(aio_load $filename, $data) >= 0
1073	or return;	1344	or return;
1074		1345
1075	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
1076	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
1077	or return;	1348	or return;
1078		1349
1079	undef $guard;
1080	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
1081	}	1352	}
1082		1353
1083	utf8::decode (my $decname = $filename);	1354	utf8::decode (my $decname = $filename);
1084	warn sprintf "loading %s (%d,%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
1085	$decname, length $data, scalar @{$av || []};	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
1086		1358
1087	($data, $av)	1359	($data, $av)
1088	}	1360	}
1089		1361
1090	=head2 COMMAND CALLBACKS	1362	=head2 COMMAND CALLBACKS
…		…
1146	my ($name, $cb) = @_;	1418	my ($name, $cb) = @_;
1147		1419
1148	$EXTICMD{$name} = $cb;	1420	$EXTICMD{$name} = $cb;
1149	}	1421	}
1150		1422
		1423	use File::Glob ();
		1424
1151	cf::player->attach (	1425	cf::player->attach (
1152	on_command => sub {	1426	on_unknown_command => sub {
1153	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
1154		1428
1155	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
1156	or return;	1430	or return;
1157		1431
…		…
1180		1454
1181	$pl->ext_reply ($reply, @reply)	1455	$pl->ext_reply ($reply, @reply)
1182	if $reply;	1456	if $reply;
1183		1457
1184	} else {	1458	} else {
1185	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1186	}	1460	}
1187		1461
1188	cf::override;	1462	cf::override;
1189	},	1463	},
1190	);	1464	);
1191		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
1192	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
1193	cf::sync_job {	1482	cf::sync_job {
1194	my %todo;	1483	my %todo;
1195		1484
1196	for my $path (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
1197	next unless -r $path;	1486	next unless -r $path;
…		…
1215		1504
1216	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1217	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1218		1507
1219	$ext{source} =	1508	$ext{source} =
1220	"package $pkg; use strict; use utf8;\n"	1509	"package $pkg; use common::sense;\n"
1221	. "#line 1 \"$path\"\n{\n"	1510	. "#line 1 \"$path\"\n{\n"
1222	. $source	1511	. $source
1223	. "\n};\n1";	1512	. "\n};\n1";
1224		1513
1225	$todo{$base} = \%ext;	1514	$todo{$base} = \%ext;
1226	}	1515	}
1227		1516
		1517	my $pass = 0;
1228	my %done;	1518	my %done;
1229	while (%todo) {	1519	while (%todo) {
1230	my $progress;	1520	my $progress;
1231		1521
		1522	++$pass;
		1523
		1524	ext:
1232	while (my ($k, $v) = each %todo) {	1525	while (my ($k, $v) = each %todo) {
1233	for (split /,\s*/, $v->{meta}{depends}) {	1526	for (split /,\s*/, $v->{meta}{depends}) {
1234	goto skip	1527	next ext
1235	unless exists $done{$_};	1528	unless exists $done{$_};
1236	}	1529	}
1237		1530
1238	warn "... loading '$k' into '$v->{pkg}'\n";	1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1239		1532
1240	unless (eval $v->{source}) {	1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
1241	my $msg = $@ ? "$v->{path}: $@\n"	1536	error "$v->{path}: $@\n";
1242	: "$v->{base}: extension inactive.\n";
1243		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1244	if (exists $v->{meta}{mandatory}) {	1539	if exists $v->{meta}{mandatory};
1245	warn $msg;	1540
1246	warn "mandatory extension failed to load, exiting.\n";	1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1247	exit 1;	1542	delete $todo{$k};
1248	}	1543	} else {
1249		1544	$done{$k} = delete $todo{$k};
1250	warn $msg;	1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
1251	}	1550	}
1252
1253	$done{$k} = delete $todo{$k};
1254	push @EXTS, $v->{pkg};
1255	$progress = 1;
1256	}	1551	}
1257		1552
1258	skip:	1553	unless ($progress) {
1259	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1260	unless $progress;	1555
		1556	while (my ($k, $v) = each %todo) {
		1557	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559	}
		1560
		1561	last;
		1562	}
1261	}	1563	}
1262	};	1564	};
1263	}	1565	}
1264		1566
1265	#############################################################################	1567	#############################################################################
1266		1568
1267	=back	1569	=back
1268		1570
1269	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
1270		1572
1271	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
1272		1574
1273	=cut	1575	=cut
1274		1576
1275	package cf::player;	1577	package cf::player;
1276		1578
…		…
1319		1621
1320	sub exists($) {	1622	sub exists($) {
1321	my ($login) = @_;	1623	my ($login) = @_;
1322		1624
1323	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
1324	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
1325	}	1627	}
1326		1628
1327	sub find($) {	1629	sub find($) {
1328	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
1329	my $login = $_[0];	1631	my $login = $_[0];
…		…
1339	aio_unlink +(playerdir $login) . "/$login.pl";	1641	aio_unlink +(playerdir $login) . "/$login.pl";
1340		1642
1341	my $f = new_from_file cf::object::thawer path $login	1643	my $f = new_from_file cf::object::thawer path $login
1342	or return;	1644	or return;
1343		1645
1344	$f->next;
1345	my $pl = cf::player::load_pl $f	1646	my $pl = cf::player::load_pl $f
1346	or return;	1647	or return;
		1648
1347	local $cf::PLAYER_LOADING{$login} = $pl;	1649	local $cf::PLAYER_LOADING{$login} = $pl;
1348	$f->resolve_delayed_derefs;	1650	$f->resolve_delayed_derefs;
1349	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1350	}	1652	}
1351	}	1653	}
1352	}	1654	}
1353		1655
		1656	cf::player->attach (
		1657	on_load => sub {
		1658	my ($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
1354	sub save($) {	1669	sub save($) {
1355	my ($pl) = @_;	1670	my ($pl) = @_;
1356		1671
1357	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
1358		1673
…		…
1361		1676
1362	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1363		1678
1364	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1365	$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];
1366		1686
1367	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1368	cf::cede_to_tick;	1688	cf::cede_to_tick;
1369	}	1689	}
1370		1690
…		…
1402	my ($pl) = @_;	1722	my ($pl) = @_;
1403		1723
1404	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1405		1725
1406	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1407	$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
1408		1728
1409	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1410	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1411	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1412	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1413		1737
1414	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1415	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1416	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1454		1778
1455	for my $login (@$dirs) {	1779	for my $login (@$dirs) {
1456	my $path = path $login;	1780	my $path = path $login;
1457		1781
1458	# a .pst is a dead give-away for a valid player	1782	# a .pst is a dead give-away for a valid player
1459	unless (-e "$path.pst") {	1783	# if no pst file found, open and chekc for blocked users
		1784	if (aio_stat "$path.pst") {
1460	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1461	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1462	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
1463	}	1788	}
1464		1789
…		…
1468		1793
1469	\@logins	1794	\@logins
1470	}	1795	}
1471		1796
1472	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1473		1800
1474	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1475	player. May block.	1802	player. May block.
1476		1803
1477	=cut	1804	=cut
…		…
1495	}	1822	}
1496		1823
1497	\@paths	1824	\@paths
1498	}	1825	}
1499		1826
1500	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1501		1828
1502	Expand crossfire pod fragments into protocol xml.	1829	Expand deliantra pod fragments into protocol xml.
1503
1504	=cut
1505
1506	sub expand_cfpod {
1507	((my $self), (local $_)) = @_;
1508
1509	# escape & and <
1510	s/&/&amp;/g;
1511	s/(?<![BIUGHT])</&lt;/g;
1512
1513	# this is buggy, it needs to properly take care of nested <'s
1514
1515	1 while
1516	# replace B<>, I<>, U<> etc.
1517	s/B<([^\>]*)>/<b>$1<\/b>/
1518	|| s/I<([^\>]*)>/<i>$1<\/i>/
1519	|| s/U<([^\>]*)>/<u>$1<\/u>/
1520	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1521	# replace G<male|female> tags
1522	|| s{G<([^>|]*)\|([^>]*)>}{
1523	$self->gender ? $2 : $1
1524	}ge
1525	# replace H<hint text>
1526	|| s{H<([^\>]*)>}
1527	{
1528	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1529	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1530	"")
1531	[$self->{hintmode}]
1532	}ge;
1533
1534	# create single paragraphs (very hackish)
1535	s/(?<=\S)\n(?=\w)/ /g;
1536
1537	# compress some whitespace
1538	s/\s+\n/\n/g; # ws line-ends
1539	s/\n\n+/\n/g; # double lines
1540	s/^\n+//; # beginning lines
1541	s/\n+$//; # ending lines
1542
1543	$_
1544	}
1545
1546	sub hintmode {
1547	$_[0]{hintmode} = $_[1] if @_ > 1;
1548	$_[0]{hintmode}
1549	}
1550		1830
1551	=item $player->ext_reply ($msgid, @msg)	1831	=item $player->ext_reply ($msgid, @msg)
1552		1832
1553	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1554		1834
…		…
1586		1866
1587	=cut	1867	=cut
1588		1868
1589	sub find_by_path($) {	1869	sub find_by_path($) {
1590	my ($path) = @_;	1870	my ($path) = @_;
		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
1591		1873
1592	my ($match, $specificity);	1874	my ($match, $specificity);
1593		1875
1594	for my $region (list) {	1876	for my $region (list) {
1595	if ($region->{match} && $path =~ $region->{match}) {	1877	if ($region->{match} && $path =~ $region->{match}) {
…		…
1621	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1622	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1623		1905
1624	sub generate_random_map {	1906	sub generate_random_map {
1625	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1626	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1627	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1628	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1629	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1630	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1631	$rmp->{exit_on_final_map},
1632	$rmp->{xsize}, $rmp->{ysize},
1633	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1634	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1635	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1636	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1637	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1638	(cf::region::find $rmp->{region}), $rmp->{custom}
1639	)
1640	}	1912	}
1641		1913
1642	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1643		1915
1644	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
…		…
1649		1921
1650	sub register {	1922	sub register {
1651	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1652	my $pkg = caller;	1924	my $pkg = caller;
1653		1925
1654	no strict;
1655	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1656		1927
1657	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1658	}	1929	}
1659		1930
1660	# also paths starting with '/'	1931	# also paths starting with '/'
1661	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1662		1933
1663	sub thawer_merge {	1934	sub thawer_merge {
1664	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1665		1936
1666	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
…		…
1671	}	1942	}
1672		1943
1673	sub normalise {	1944	sub normalise {
1674	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1675		1946
1676	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1677		1948
1678	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1679		1950
1680	# map plan:	1951	# map plan:
1681	#	1952	#
…		…
1696	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1697	$path = "$base/$path";	1968	$path = "$base/$path";
1698	}	1969	}
1699		1970
1700	for ($path) {	1971	for ($path) {
1701	redo if s{//}{/};
1702	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1703	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1704	}	1974	}
1705		1975
1706	$path	1976	$path
…		…
1720	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1721	return $self;	1991	return $self;
1722	}	1992	}
1723	}	1993	}
1724		1994
1725	Carp::cluck "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1726	()	1996	()
1727	}	1997	}
1728		1998
		1999	# may re-bless or do other evil things
1729	sub init {	2000	sub init {
1730	my ($self) = @_;	2001	my ($self) = @_;
1731		2002
1732	$self	2003	$self
1733	}	2004	}
…		…
1752		2023
1753	# the temporary/swap location	2024	# the temporary/swap location
1754	sub save_path {	2025	sub save_path {
1755	my ($self) = @_;	2026	my ($self) = @_;
1756		2027
1757	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2028	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1758	"$TMPDIR/$path.map"	2029	"$TMPDIR/$path.map"
1759	}	2030	}
1760		2031
1761	# the unique path, undef == no special unique path	2032	# the unique path, undef == no special unique path
1762	sub uniq_path {	2033	sub uniq_path {
1763	my ($self) = @_;	2034	my ($self) = @_;
1764		2035
1765	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1766	"$UNIQUEDIR/$path"	2037	"$UNIQUEDIR/$path"
1767	}
1768
1769	# and all this just because we cannot iterate over
1770	# all maps in C++...
1771	sub change_all_map_light {
1772	my ($change) = @_;
1773
1774	$_->change_map_light ($change)
1775	for grep $_->outdoor, values %cf::MAP;
1776	}	2038	}
1777		2039
1778	sub decay_objects {	2040	sub decay_objects {
1779	my ($self) = @_;	2041	my ($self) = @_;
1780		2042
…		…
1807	$self->{load_path} = $path;	2069	$self->{load_path} = $path;
1808		2070
1809	1	2071	1
1810	}	2072	}
1811		2073
		2074	# used to laod the header of an original map
1812	sub load_header_orig {	2075	sub load_header_orig {
1813	my ($self) = @_;	2076	my ($self) = @_;
1814		2077
1815	$self->load_header_from ($self->load_path)	2078	$self->load_header_from ($self->load_path)
1816	}	2079	}
1817		2080
		2081	# used to laod the header of an instantiated map
1818	sub load_header_temp {	2082	sub load_header_temp {
1819	my ($self) = @_;	2083	my ($self) = @_;
1820		2084
1821	$self->load_header_from ($self->save_path)	2085	$self->load_header_from ($self->save_path)
1822	}	2086	}
1823		2087
		2088	# called after loading the header from an instantiated map
1824	sub prepare_temp {	2089	sub prepare_temp {
1825	my ($self) = @_;	2090	my ($self) = @_;
1826		2091
1827	$self->last_access ((delete $self->{last_access})	2092	$self->last_access ((delete $self->{last_access})
1828	|| $cf::RUNTIME); #d#	2093	|| $cf::RUNTIME); #d#
1829	# safety	2094	# safety
1830	$self->{instantiate_time} = $cf::RUNTIME	2095	$self->{instantiate_time} = $cf::RUNTIME
1831	if $self->{instantiate_time} > $cf::RUNTIME;	2096	if $self->{instantiate_time} > $cf::RUNTIME;
1832	}	2097	}
1833		2098
		2099	# called after loading the header from an original map
1834	sub prepare_orig {	2100	sub prepare_orig {
1835	my ($self) = @_;	2101	my ($self) = @_;
1836		2102
1837	$self->{load_original} = 1;	2103	$self->{load_original} = 1;
1838	$self->{instantiate_time} = $cf::RUNTIME;	2104	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1862		2128
1863	sub find;	2129	sub find;
1864	sub find {	2130	sub find {
1865	my ($path, $origin) = @_;	2131	my ($path, $origin) = @_;
1866		2132
		2133	cf::cede_to_tick;
		2134
1867	$path = normalise $path, $origin && $origin->path;	2135	$path = normalise $path, $origin;
1868		2136
1869	cf::lock_wait "map_data:$path";#d#remove	2137	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1870	cf::lock_wait "map_find:$path";	2138	my $guard2 = cf::lock_acquire "map_find:$path";
1871		2139
1872	$cf::MAP{$path} || do {	2140	$cf::MAP{$path} || do {
1873	my $guard1 = cf::lock_acquire "map_find:$path";
1874	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1875
1876	my $map = new_from_path cf::map $path	2141	my $map = new_from_path cf::map $path
1877	or return;	2142	or return;
1878		2143
1879	$map->{last_save} = $cf::RUNTIME;	2144	$map->{last_save} = $cf::RUNTIME;
1880		2145
…		…
1882	or return;	2147	or return;
1883		2148
1884	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2149	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1885	# doing this can freeze the server in a sync job, obviously	2150	# doing this can freeze the server in a sync job, obviously
1886	#$cf::WAIT_FOR_TICK->wait;	2151	#$cf::WAIT_FOR_TICK->wait;
		2152	undef $guard2;
1887	undef $guard1;	2153	undef $guard1;
1888	undef $guard2;
1889	$map->reset;	2154	$map->reset;
1890	return find $path;	2155	return find $path;
1891	}	2156	}
1892		2157
1893	$cf::MAP{$path} = $map	2158	$cf::MAP{$path} = $map
1894	}	2159	}
1895	}	2160	}
1896		2161
1897	sub pre_load { }	2162	sub pre_load { }
1898	sub post_load { }	2163	#sub post_load { } # XS
1899		2164
1900	sub load {	2165	sub load {
1901	my ($self) = @_;	2166	my ($self) = @_;
1902		2167
1903	local $self->{deny_reset} = 1; # loading can take a long time	2168	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1915	$self->alloc;	2180	$self->alloc;
1916		2181
1917	$self->pre_load;	2182	$self->pre_load;
1918	cf::cede_to_tick;	2183	cf::cede_to_tick;
1919		2184
		2185	if (exists $self->{load_path}) {
1920	my $f = new_from_file cf::object::thawer $self->{load_path};	2186	my $f = new_from_file cf::object::thawer $self->{load_path};
1921	$f->skip_block;	2187	$f->skip_block;
1922	$self->_load_objects ($f)	2188	$self->_load_objects ($f)
1923	or return;	2189	or return;
1924		2190
1925	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2191	$self->post_load_original
1926	if delete $self->{load_original};	2192	if delete $self->{load_original};
1927		2193
1928	if (my $uniq = $self->uniq_path) {	2194	if (my $uniq = $self->uniq_path) {
1929	utf8::encode $uniq;	2195	utf8::encode $uniq;
1930	unless (aio_stat $uniq) {	2196	unless (aio_stat $uniq) {
1931	if (my $f = new_from_file cf::object::thawer $uniq) {	2197	if (my $f = new_from_file cf::object::thawer $uniq) {
1932	$self->clear_unique_items;	2198	$self->clear_unique_items;
1933	$self->_load_objects ($f);	2199	$self->_load_objects ($f);
1934	$f->resolve_delayed_derefs;	2200	$f->resolve_delayed_derefs;
		2201	}
1935	}	2202	}
1936	}	2203	}
1937	}
1938		2204
1939	$f->resolve_delayed_derefs;	2205	$f->resolve_delayed_derefs;
		2206	} else {
		2207	$self->post_load_original
		2208	if delete $self->{load_original};
		2209	}
1940		2210
1941	cf::cede_to_tick;	2211	cf::cede_to_tick;
1942	# now do the right thing for maps	2212	# now do the right thing for maps
1943	$self->link_multipart_objects;	2213	$self->link_multipart_objects;
1944	$self->difficulty ($self->estimate_difficulty)	2214	$self->difficulty ($self->estimate_difficulty)
…		…
1948	unless ($self->{deny_activate}) {	2218	unless ($self->{deny_activate}) {
1949	$self->decay_objects;	2219	$self->decay_objects;
1950	$self->fix_auto_apply;	2220	$self->fix_auto_apply;
1951	$self->update_buttons;	2221	$self->update_buttons;
1952	cf::cede_to_tick;	2222	cf::cede_to_tick;
1953	$self->set_darkness_map;	2223	#$self->activate; # no longer activate maps automatically
1954	cf::cede_to_tick;
1955	$self->activate;
1956	}	2224	}
1957		2225
1958	$self->{last_save} = $cf::RUNTIME;	2226	$self->{last_save} = $cf::RUNTIME;
1959	$self->last_access ($cf::RUNTIME);	2227	$self->last_access ($cf::RUNTIME);
1960		2228
1961	$self->in_memory (cf::MAP_IN_MEMORY);	2229	$self->in_memory (cf::MAP_ACTIVE);
1962	}	2230	}
1963		2231
1964	$self->post_load;	2232	$self->post_load;
1965	}
1966		2233
		2234	1
		2235	}
		2236
		2237	# customize the map for a given player, i.e.
		2238	# return the _real_ map. used by e.g. per-player
		2239	# maps to change the path to ~playername/mappath
1967	sub customise_for {	2240	sub customise_for {
1968	my ($self, $ob) = @_;	2241	my ($self, $ob) = @_;
1969		2242
1970	return find "~" . $ob->name . "/" . $self->{path}	2243	return find "~" . $ob->name . "/" . $self->{path}
1971	if $self->per_player;	2244	if $self->per_player;
…		…
1987	or next;	2260	or next;
1988	$neigh = find $neigh, $map	2261	$neigh = find $neigh, $map
1989	or next;	2262	or next;
1990	$neigh->load;	2263	$neigh->load;
1991		2264
		2265	# now find the diagonal neighbours
1992	push @neigh,	2266	push @neigh,
1993	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2267	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1994	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2268	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1995	}	2269	}
1996		2270
…		…
2003	}	2277	}
2004		2278
2005	sub find_sync {	2279	sub find_sync {
2006	my ($path, $origin) = @_;	2280	my ($path, $origin) = @_;
2007		2281
2008	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, $origin
2009	}	2286	}
2010		2287
2011	sub do_load_sync {	2288	sub do_load_sync {
2012	my ($map) = @_;	2289	my ($map) = @_;
2013		2290
2014	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2291	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2015	if $Coro::current == $Coro::main;	2292	if $Coro::current == $Coro::main;
2016		2293
2017	cf::sync_job { $map->load };	2294	$map->load;
2018	}	2295	}
2019		2296
2020	our %MAP_PREFETCH;	2297	our %MAP_PREFETCH;
2021	our $MAP_PREFETCHER = undef;	2298	our $MAP_PREFETCHER = undef;
2022		2299
2023	sub find_async {	2300	sub find_async {
2024	my ($path, $origin, $load) = @_;	2301	my ($path, $origin, $load) = @_;
2025		2302
2026	$path = normalise $path, $origin && $origin->{path};	2303	$path = normalise $path, $origin;
2027		2304
2028	if (my $map = $cf::MAP{$path}) {	2305	if (my $map = $cf::MAP{$path}) {
2029	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2306	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2030	}	2307	}
2031		2308
2032	$MAP_PREFETCH{$path} |= $load;	2309	$MAP_PREFETCH{$path} |= $load;
2033		2310
2034	$MAP_PREFETCHER ||= cf::async {	2311	$MAP_PREFETCHER ||= cf::async {
		2312	$Coro::current->{desc} = "map prefetcher";
		2313
2035	while (%MAP_PREFETCH) {	2314	while (%MAP_PREFETCH) {
2036	while (my ($k, $v) = each %MAP_PREFETCH) {	2315	while (my ($k, $v) = each %MAP_PREFETCH) {
2037	if (my $map = find $k) {	2316	if (my $map = find $k) {
2038	$map->load if $v;	2317	$map->load if $v;
2039	}	2318	}
…		…
2046	$MAP_PREFETCHER->prio (6);	2325	$MAP_PREFETCHER->prio (6);
2047		2326
2048	()	2327	()
2049	}	2328	}
2050		2329
		2330	# common code, used by both ->save and ->swapout
2051	sub save {	2331	sub _save {
2052	my ($self) = @_;	2332	my ($self) = @_;
2053
2054	my $lock = cf::lock_acquire "map_data:$self->{path}";
2055		2333
2056	$self->{last_save} = $cf::RUNTIME;	2334	$self->{last_save} = $cf::RUNTIME;
2057		2335
2058	return unless $self->dirty;	2336	return unless $self->dirty;
2059		2337
…		…
2065	return if $self->{deny_save};	2343	return if $self->{deny_save};
2066		2344
2067	local $self->{last_access} = $self->last_access;#d#	2345	local $self->{last_access} = $self->last_access;#d#
2068		2346
2069	cf::async {	2347	cf::async {
		2348	$Coro::current->{desc} = "map player save";
2070	$_->contr->save for $self->players;	2349	$_->contr->save for $self->players;
2071	};	2350	};
		2351
		2352	cf::get_slot 0.02;
2072		2353
2073	if ($uniq) {	2354	if ($uniq) {
2074	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2355	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2075	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2356	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2076	} else {	2357	} else {
2077	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2358	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2078	}	2359	}
2079	}	2360	}
2080		2361
		2362	sub save {
		2363	my ($self) = @_;
		2364
		2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2366
		2367	$self->_save;
		2368	}
		2369
2081	sub swap_out {	2370	sub swap_out {
2082	my ($self) = @_;	2371	my ($self) = @_;
2083		2372
2084	# save first because save cedes
2085	$self->save;
2086
2087	my $lock = cf::lock_acquire "map_data:$self->{path}";	2373	my $lock = cf::lock_acquire "map_data:$self->{path}";
2088		2374
		2375	return if $self->in_memory != cf::MAP_ACTIVE;
		2376	return if $self->{deny_save};
2089	return if $self->players;	2377	return if $self->players;
2090	return if $self->in_memory != cf::MAP_IN_MEMORY;
2091	return if $self->{deny_save};
2092		2378
		2379	# first deactivate the map and "unlink" it from the core
		2380	$self->deactivate;
		2381	$_->clear_links_to ($self) for values %cf::MAP;
2093	$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};
2094		2429
2095	$self->deactivate;	2430	$self->deactivate;
2096	$_->clear_links_to ($self) for values %cf::MAP;	2431	$_->clear_links_to ($self) for values %cf::MAP;
2097	$self->clear;	2432	$self->clear;
2098	}
2099
2100	sub reset_at {
2101	my ($self) = @_;
2102
2103	# TODO: safety, remove and allow resettable per-player maps
2104	return 1e99 if $self->{deny_reset};
2105
2106	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2107	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2108
2109	$time + $to
2110	}
2111
2112	sub should_reset {
2113	my ($self) = @_;
2114
2115	$self->reset_at <= $cf::RUNTIME
2116	}
2117
2118	sub reset {
2119	my ($self) = @_;
2120
2121	my $lock = cf::lock_acquire "map_data:$self->{path}";
2122
2123	return if $self->players;
2124
2125	warn "resetting map ", $self->path;
2126
2127	$self->in_memory (cf::MAP_SWAPPED);
2128
2129	# need to save uniques path
2130	unless ($self->{deny_save}) {
2131	my $uniq = $self->uniq_path; utf8::encode $uniq;
2132
2133	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2134	if $uniq;
2135	}
2136
2137	delete $cf::MAP{$self->path};
2138
2139	$self->deactivate;
2140	$_->clear_links_to ($self) for values %cf::MAP;
2141	$self->clear;
2142		2433
2143	$self->unlink_save;	2434	$self->unlink_save;
2144	$self->destroy;	2435	$self->destroy;
2145	}	2436	}
2146		2437
…		…
2154		2445
2155	delete $cf::MAP{$self->path};	2446	delete $cf::MAP{$self->path};
2156		2447
2157	$self->unlink_save;	2448	$self->unlink_save;
2158		2449
2159	bless $self, "cf::map";	2450	bless $self, "cf::map::wrap";
2160	delete $self->{deny_reset};	2451	delete $self->{deny_reset};
2161	$self->{deny_save} = 1;	2452	$self->{deny_save} = 1;
2162	$self->reset_timeout (1);	2453	$self->reset_timeout (1);
2163	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2454	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2164		2455
…		…
2213		2504
2214	sub unique_maps() {	2505	sub unique_maps() {
2215	[	2506	[
2216	map {	2507	map {
2217	utf8::decode $_;	2508	utf8::decode $_;
2218	/\.map$/	2509	s/\.map$//; # TODO future compatibility hack
		2510	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2511	? ()
2219	? normalise $_	2512	: normalise $_
2220	: ()
2221	} @{ aio_readdir $UNIQUEDIR or [] }	2513	} @{ aio_readdir $UNIQUEDIR or [] }
2222	]	2514	]
2223	}	2515	}
2224		2516
2225	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	}
2226		2548
2227	=back	2549	=back
2228		2550
2229	=head3 cf::object	2551	=head3 cf::object
2230		2552
…		…
2234		2556
2235	=over 4	2557	=over 4
2236		2558
2237	=item $ob->inv_recursive	2559	=item $ob->inv_recursive
2238		2560
2239	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.
2240		2563
2241	=cut	2564	=cut
2242		2565
2243	sub inv_recursive_;	2566	sub inv_recursive_;
2244	sub inv_recursive_ {	2567	sub inv_recursive_ {
…		…
2249	inv_recursive_ inv $_[0]	2572	inv_recursive_ inv $_[0]
2250	}	2573	}
2251		2574
2252	=item $ref = $ob->ref	2575	=item $ref = $ob->ref
2253		2576
2254	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.
2255		2578
2256	=item $ob = cf::object::deref ($refstring)	2579	=item $ob = cf::object::deref ($refstring)
2257		2580
2258	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,
2259	even if the object actually exists. May block.	2582	even if the object actually exists. May block.
…		…
2261	=cut	2584	=cut
2262		2585
2263	sub deref {	2586	sub deref {
2264	my ($ref) = @_;	2587	my ($ref) = @_;
2265		2588
2266	# temporary compatibility#TODO#remove
2267	$ref =~ s{^<}{player/<};
2268
2269	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {	2589	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2270	my ($uuid, $name) = ($1, $2);	2590	my ($uuid, $name) = ($1, $2);
2271	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name	2591	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2272	or return;	2592	or return;
2273	$pl->ob->uuid eq $uuid	2593	$pl->ob->uuid eq $uuid
2274	or return;	2594	or return;
…		…
2294	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
2295	dialogue with the given NPC character.	2615	dialogue with the given NPC character.
2296		2616
2297	=cut	2617	=cut
2298		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
2299	# rough implementation of a future "reply" method that works	2633	# rough implementation of a future "reply" method that works
2300	# with dialog boxes.	2634	# with dialog boxes.
2301	#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
2302	sub cf::object::player::reply($$$;$) {	2636	sub cf::object::player::reply($$$;$) {
2303	my ($self, $npc, $msg, $flags) = @_;	2637	my ($self, $npc, $msg, $flags) = @_;
…		…
2314	my $dialog = $pl->{npc_dialog};	2648	my $dialog = $pl->{npc_dialog};
2315	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2649	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2316		2650
2317	} else {	2651	} else {
2318	$msg = $npc->name . " says: $msg" if $npc;	2652	$msg = $npc->name . " says: $msg" if $npc;
2319	$self->message ($msg, $flags);	2653	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2320	}	2654	}
2321	}	2655	}
2322	}	2656	}
2323		2657
2324	=item $object->send_msg ($channel, $msg, $color, [extra...])	2658	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2349		2683
2350	=item $player_object->enter_link	2684	=item $player_object->enter_link
2351		2685
2352	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}>).
2353		2687
2354	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.
2355	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.
2356		2692
2357	Will never block.	2693	Will never block.
2358		2694
2359	=item $player_object->leave_link ($map, $x, $y)	2695	=item $player_object->leave_link ($map, $x, $y)
2360		2696
…		…
2380	sub cf::object::player::enter_link {	2716	sub cf::object::player::enter_link {
2381	my ($self) = @_;	2717	my ($self) = @_;
2382		2718
2383	$self->deactivate_recursive;	2719	$self->deactivate_recursive;
2384		2720
		2721	++$self->{_link_recursion};
		2722
2385	return if UNIVERSAL::isa $self->map, "ext::map_link";	2723	return if UNIVERSAL::isa $self->map, "ext::map_link";
2386		2724
2387	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2725	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2388	if $self->map && $self->map->{path} ne "{link}";	2726	if $self->map && $self->map->{path} ne "{link}";
2389		2727
2390	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2728	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2391	}	2729	}
2392		2730
2393	sub cf::object::player::leave_link {	2731	sub cf::object::player::leave_link {
2394	my ($self, $map, $x, $y) = @_;	2732	my ($self, $map, $x, $y) = @_;
2395		2733
…		…
2412	($x, $y) = (-1, -1)	2750	($x, $y) = (-1, -1)
2413	unless (defined $x) && (defined $y);	2751	unless (defined $x) && (defined $y);
2414		2752
2415	# use -1 or undef as default coordinates, not 0, 0	2753	# use -1 or undef as default coordinates, not 0, 0
2416	($x, $y) = ($map->enter_x, $map->enter_y)	2754	($x, $y) = ($map->enter_x, $map->enter_y)
2417	if $x <=0 && $y <= 0;	2755	if $x <= 0 && $y <= 0;
2418		2756
2419	$map->load;	2757	$map->load;
2420	$map->load_neighbours;	2758	$map->load_neighbours;
2421		2759
2422	return unless $self->contr->active;	2760	return unless $self->contr->active;
2423	$self->activate_recursive;
2424		2761
2425	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2762	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2426	$self->enter_map ($map, $x, $y);	2763	if ($self->enter_map ($map, $x, $y)) {
2427	}	2764	# entering was successful
		2765	delete $self->{_link_recursion};
		2766	# only activate afterwards, to support waiting in hooks
		2767	$self->activate_recursive;
		2768	}
2428		2769
		2770	}
		2771
2429	=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)]])
2430		2773
2431	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
2432	her, loading and preparing them map, calling the provided $check callback	2775	her, loading and preparing them map, calling the provided $check callback
2433	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
2434	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
2435	be called at the end of this process.	2778	be called at the end of this process.
2436		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
2437	=cut	2783	=cut
2438		2784
2439	our $GOTOGEN;	2785	our $GOTOGEN;
2440		2786
2441	sub cf::object::player::goto {	2787	sub cf::object::player::goto {
2442	my ($self, $path, $x, $y, $check, $done) = @_;	2788	my ($self, $path, $x, $y, $check, $done) = @_;
2443		2789
		2790	if ($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
2444	# 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
2445	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2797	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2446		2798
2447	$self->enter_link;	2799	$self->enter_link;
2448		2800
2449	(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
2450	my $map = eval {	2823	my $map = eval {
2451	my $map = cf::map::find $path;	2824	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2452		2825
2453	if ($map) {	2826	if ($map) {
2454	$map = $map->customise_for ($self);	2827	$map = $map->customise_for ($self);
2455	$map = $check->($map) if $check && $map;	2828	$map = $check->($map, $x, $y, $self) if $check && $map;
2456	} else {	2829	} else {
2457	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2830	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2458	}	2831	}
2459		2832
2460	$map	2833	$map
2461	};	2834	};
2462		2835
…		…
2468	if ($gen == $self->{_goto_generation}) {	2841	if ($gen == $self->{_goto_generation}) {
2469	delete $self->{_goto_generation};	2842	delete $self->{_goto_generation};
2470	$self->leave_link ($map, $x, $y);	2843	$self->leave_link ($map, $x, $y);
2471	}	2844	}
2472		2845
2473	$done->() if $done;	2846	$done->($self) if $done;
2474	})->prio (1);	2847	})->prio (1);
2475	}	2848	}
2476		2849
2477	=item $player_object->enter_exit ($exit_object)	2850	=item $player_object->enter_exit ($exit_object)
2478		2851
…		…
2498	}	2871	}
2499		2872
2500	sub prepare_random_map {	2873	sub prepare_random_map {
2501	my ($exit) = @_;	2874	my ($exit) = @_;
2502		2875
2503	my $guard = cf::lock_acquire "exit_prepare:$exit";
2504
2505	# all this does is basically replace the /! path by	2876	# all this does is basically replace the /! path by
2506	# a new random map path (?random/...) with a seed	2877	# a new random map path (?random/...) with a seed
2507	# that depends on the exit object	2878	# that depends on the exit object
2508		2879
2509	my $rmp = parse_random_map_params $exit->msg;	2880	my $rmp = parse_random_map_params $exit->msg;
…		…
2511	if ($exit->map) {	2882	if ($exit->map) {
2512	$rmp->{region} = $exit->region->name;	2883	$rmp->{region} = $exit->region->name;
2513	$rmp->{origin_map} = $exit->map->path;	2884	$rmp->{origin_map} = $exit->map->path;
2514	$rmp->{origin_x} = $exit->x;	2885	$rmp->{origin_x} = $exit->x;
2515	$rmp->{origin_y} = $exit->y;	2886	$rmp->{origin_y} = $exit->y;
		2887
		2888	$exit->map->touch;
2516	}	2889	}
2517		2890
2518	$rmp->{random_seed} ||= $exit->random_seed;	2891	$rmp->{random_seed} ||= $exit->random_seed;
2519		2892
2520	my $data = cf::to_json $rmp;	2893	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2521	my $md5 = Digest::MD5::md5_hex $data;	2894	my $md5 = Digest::MD5::md5_hex $data;
2522	my $meta = "$RANDOMDIR/$md5.meta";	2895	my $meta = "$RANDOMDIR/$md5.meta";
2523		2896
2524	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2897	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2525	aio_write $fh, 0, (length $data), $data, 0;	2898	aio_write $fh, 0, (length $data), $data, 0;
2526	undef $fh;	2899	undef $fh;
2527	aio_rename "$meta~", $meta;	2900	aio_rename "$meta~", $meta;
2528		2901
		2902	my $slaying = "?random/$md5";
		2903
		2904	if ($exit->valid) {
2529	$exit->slaying ("?random/$md5");	2905	$exit->slaying ("?random/$md5");
2530	$exit->msg (undef);	2906	$exit->msg (undef);
		2907	}
2531	}	2908	}
2532	}	2909	}
2533		2910
2534	sub cf::object::player::enter_exit {	2911	sub cf::object::player::enter_exit {
2535	my ($self, $exit) = @_;	2912	my ($self, $exit) = @_;
2536		2913
2537	return unless $self->type == cf::PLAYER;	2914	return unless $self->type == cf::PLAYER;
2538		2915
2539	if ($exit->slaying eq "/!") {
2540	#TODO: this should de-fi-ni-te-ly not be a sync-job
2541	# the problem is that $exit might not survive long enough
2542	# so it needs to be done right now, right here
2543	cf::sync_job { prepare_random_map $exit };
2544	}
2545
2546	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2547	my $hp = $exit->stats->hp;
2548	my $sp = $exit->stats->sp;
2549
2550	$self->enter_link;	2916	$self->enter_link;
2551		2917
2552	# if exit is damned, update players death & WoR home-position
2553	$self->contr->savebed ($slaying, $hp, $sp)
2554	if $exit->flag (FLAG_DAMNED);
2555
2556	(async {	2918	(async {
2557	$self->deactivate_recursive; # just to be sure	2919	$Coro::current->{desc} = "enter_exit";
		2920
2558	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
2559	$self->goto ($slaying, $hp, $sp);	2949	$self->goto ($map, $x, $y);
2560		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
2561	1;	2955	1
2562	}) {	2956	}) {
2563	$self->message ("Something went wrong deep within the crossfire server. "	2957	$self->message ("Something went wrong deep within the deliantra server. "
2564	. "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. "
2565	. "Please report this to the dungeon master!",	2959	. "Please report this to the dungeon master!",
2566	cf::NDI_UNIQUE | cf::NDI_RED);	2960	cf::NDI_UNIQUE | cf::NDI_RED);
2567		2961
2568	warn "ERROR in enter_exit: $@";	2962	error "ERROR in enter_exit: $@";
2569	$self->leave_link;	2963	$self->leave_link;
2570	}	2964	}
2571	})->prio (1);	2965	})->prio (1);
2572	}	2966	}
2573		2967
…		…
2585	sub cf::client::send_drawinfo {	2979	sub cf::client::send_drawinfo {
2586	my ($self, $text, $flags) = @_;	2980	my ($self, $text, $flags) = @_;
2587		2981
2588	utf8::encode $text;	2982	utf8::encode $text;
2589	$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);
2590	}	3009	}
2591		3010
2592	=item $client->send_msg ($channel, $msg, $color, [extra...])	3011	=item $client->send_msg ($channel, $msg, $color, [extra...])
2593		3012
2594	Send a drawinfo or msg packet to the client, formatting the msg for the	3013	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2596	the message, with C<log> being the default. If C<$color> is negative, suppress	3015	the message, with C<log> being the default. If C<$color> is negative, suppress
2597	the message unless the client supports the msg packet.	3016	the message unless the client supports the msg packet.
2598		3017
2599	=cut	3018	=cut
2600		3019
		3020	# non-persistent channels (usually the info channel)
2601	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	},
2602	"c/identify" => {	3028	"c/identify" => {
2603	id => "identify",	3029	id => "infobox",
2604	title => "Identify",	3030	title => "Identify",
2605	reply => undef,	3031	reply => undef,
2606	tooltip => "Items recently identified",	3032	tooltip => "Items recently identified",
2607	},	3033	},
2608	"c/examine" => {	3034	"c/examine" => {
2609	id => "examine",	3035	id => "infobox",
2610	title => "Examine",	3036	title => "Examine",
2611	reply => undef,	3037	reply => undef,
2612	tooltip => "Signs and other items you examined",	3038	tooltip => "Signs and other items you examined",
2613	},	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" => $CHAT_CHANNEL,
2614	);	3132	);
2615		3133
2616	sub cf::client::send_msg {	3134	sub cf::client::send_msg {
2617	my ($self, $channel, $msg, $color, @extra) = @_;	3135	my ($self, $channel, $msg, $color, @extra) = @_;
2618		3136
2619	$msg = $self->pl->expand_cfpod ($msg);	3137	$msg = $self->pl->expand_cfpod ($msg)
		3138	unless $color & cf::NDI_VERBATIM;
2620		3139
2621	$color &= cf::NDI_CLIENT_MASK; # just in case...	3140	$color &= cf::NDI_CLIENT_MASK; # just in case...
2622		3141
2623	# check predefined channels, for the benefit of C	3142	# check predefined channels, for the benefit of C
2624	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	3143	if ($CHANNEL{$channel}) {
		3144	$channel = $CHANNEL{$channel};
2625		3145
		3146	$self->ext_msg (channel_info => $channel);
		3147	$channel = $channel->{id};
		3148
2626	if (ref $channel) {	3149	} elsif (ref $channel) {
2627	# send meta info to client, if not yet sent	3150	# send meta info to client, if not yet sent
2628	unless (exists $self->{channel}{$channel->{id}}) {	3151	unless (exists $self->{channel}{$channel->{id}}) {
2629	$self->{channel}{$channel->{id}} = $channel;	3152	$self->{channel}{$channel->{id}} = $channel;
2630	$self->ext_msg (channel_info => $channel)	3153	$self->ext_msg (channel_info => $channel);
2631	if $self->can_msg;
2632	}	3154	}
2633		3155
2634	$channel = $channel->{id};	3156	$channel = $channel->{id};
2635	}	3157	}
2636		3158
2637	return unless @extra || length $msg;	3159	return unless @extra || length $msg;
2638		3160
2639	if ($self->can_msg) {
2640	# default colour, mask it out	3161	# default colour, mask it out
2641	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3162	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2642	if $color & cf::NDI_DEF;	3163	if $color & cf::NDI_DEF;
2643		3164
2644	$self->send_packet ("msg " . $self->{json_coder}->encode (	3165	my $pkt = "msg "
		3166	. $self->{json_coder}->encode (
2645	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3167	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2646	} else {	3168	);
2647	if ($color >= 0) {
2648	# replace some tags by gcfclient-compatible ones
2649	for ($msg) {
2650	1 while
2651	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2652	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2653	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2654	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2655	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2656	}
2657		3169
2658	$color &= cf::NDI_COLOR_MASK;	3170	$self->send_big_packet ($pkt);
2659
2660	utf8::encode $msg;
2661
2662	if (0 && $msg =~ /\[/) {
2663	# COMMAND/INFO
2664	$self->send_packet ("drawextinfo $color 10 8 $msg")
2665	} else {
2666	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2667	$self->send_packet ("drawinfo $color $msg")
2668	}
2669	}
2670	}
2671	}	3171	}
2672		3172
2673	=item $client->ext_msg ($type, @msg)	3173	=item $client->ext_msg ($type, @msg)
2674		3174
2675	Sends an ext event to the client.	3175	Sends an ext event to the client.
…		…
2678		3178
2679	sub cf::client::ext_msg($$@) {	3179	sub cf::client::ext_msg($$@) {
2680	my ($self, $type, @msg) = @_;	3180	my ($self, $type, @msg) = @_;
2681		3181
2682	if ($self->extcmd == 2) {	3182	if ($self->extcmd == 2) {
2683	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3183	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2684	} elsif ($self->extcmd == 1) { # TODO: remove	3184	} elsif ($self->extcmd == 1) { # TODO: remove
2685	push @msg, msgtype => "event_$type";	3185	push @msg, msgtype => "event_$type";
2686	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3186	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2687	}	3187	}
2688	}	3188	}
2689		3189
2690	=item $client->ext_reply ($msgid, @msg)	3190	=item $client->ext_reply ($msgid, @msg)
2691		3191
…		…
2695		3195
2696	sub cf::client::ext_reply($$@) {	3196	sub cf::client::ext_reply($$@) {
2697	my ($self, $id, @msg) = @_;	3197	my ($self, $id, @msg) = @_;
2698		3198
2699	if ($self->extcmd == 2) {	3199	if ($self->extcmd == 2) {
2700	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3200	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2701	} elsif ($self->extcmd == 1) {	3201	} elsif ($self->extcmd == 1) {
2702	#TODO: version 1, remove	3202	#TODO: version 1, remove
2703	unshift @msg, msgtype => "reply", msgid => $id;	3203	unshift @msg, msgtype => "reply", msgid => $id;
2704	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3204	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2705	}	3205	}
2706	}	3206	}
2707		3207
2708	=item $success = $client->query ($flags, "text", \&cb)	3208	=item $success = $client->query ($flags, "text", \&cb)
2709		3209
…		…
2780		3280
2781	$ns->ext_reply ($reply, @reply)	3281	$ns->ext_reply ($reply, @reply)
2782	if $reply;	3282	if $reply;
2783		3283
2784	} else {	3284	} else {
2785	warn "client " . ($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";
2786	}	3286	}
2787		3287
2788	cf::override;	3288	cf::override;
2789	},	3289	},
2790	);	3290	);
…		…
2810		3310
2811	$coro	3311	$coro
2812	}	3312	}
2813		3313
2814	cf::client->attach (	3314	cf::client->attach (
2815	on_destroy => sub {	3315	on_client_destroy => sub {
2816	my ($ns) = @_;	3316	my ($ns) = @_;
2817		3317
2818	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3318	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2819	},	3319	},
2820	);	3320	);
…		…
2836	our $safe_hole = new Safe::Hole;	3336	our $safe_hole = new Safe::Hole;
2837		3337
2838	$SIG{FPE} = 'IGNORE';	3338	$SIG{FPE} = 'IGNORE';
2839		3339
2840	$safe->permit_only (Opcode::opset qw(	3340	$safe->permit_only (Opcode::opset qw(
2841	:base_core :base_mem :base_orig :base_math	3341	:base_core :base_mem :base_orig :base_math :base_loop
2842	grepstart grepwhile mapstart mapwhile	3342	grepstart grepwhile mapstart mapwhile
2843	sort time	3343	sort time
2844	));	3344	));
2845		3345
2846	# here we export the classes and methods available to script code	3346	# here we export the classes and methods available to script code
…		…
2848	=pod	3348	=pod
2849		3349
2850	The following functions and methods are available within a safe environment:	3350	The following functions and methods are available within a safe environment:
2851		3351
2852	cf::object	3352	cf::object
2853	contr pay_amount pay_player map x y force_find force_add	3353	contr pay_amount pay_player map x y force_find force_add destroy
2854	insert remove name archname title slaying race decrease_ob_nr	3354	insert remove name archname title slaying race decrease split
		3355	value
2855		3356
2856	cf::object::player	3357	cf::object::player
2857	player	3358	player
2858		3359
2859	cf::player	3360	cf::player
…		…
2864		3365
2865	=cut	3366	=cut
2866		3367
2867	for (	3368	for (
2868	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3369	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2869	insert remove inv name archname title slaying race	3370	insert remove inv nrof name archname title slaying race
2870	decrease_ob_nr)],	3371	decrease split destroy change_exp value msg lore send_msg)],
2871	["cf::object::player" => qw(player)],	3372	["cf::object::player" => qw(player)],
2872	["cf::player" => qw(peaceful)],	3373	["cf::player" => qw(peaceful send_msg)],
2873	["cf::map" => qw(trigger)],	3374	["cf::map" => qw(trigger)],
2874	) {	3375	) {
2875	no strict 'refs';
2876	my ($pkg, @funs) = @$_;	3376	my ($pkg, @funs) = @$_;
2877	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3377	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2878	for @funs;	3378	for @funs;
2879	}	3379	}
2880		3380
…		…
2895		3395
2896	my $qcode = $code;	3396	my $qcode = $code;
2897	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3397	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2898	$qcode =~ s/\n/\\n/g;	3398	$qcode =~ s/\n/\\n/g;
2899		3399
		3400	%vars = (_dummy => 0) unless %vars;
		3401
		3402	my @res;
2900	local $_;	3403	local $_;
2901	local @safe::cf::_safe_eval_args = values %vars;
2902		3404
2903	my $eval =	3405	my $eval =
2904	"do {\n"	3406	"do {\n"
2905	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3407	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2906	. "#line 0 \"{$qcode}\"\n"	3408	. "#line 0 \"{$qcode}\"\n"
2907	. $code	3409	. $code
2908	. "\n}"	3410	. "\n}"
2909	;	3411	;
2910		3412
		3413	if ($CFG{safe_eval}) {
2911	sub_generation_inc;	3414	sub_generation_inc;
		3415	local @safe::cf::_safe_eval_args = values %vars;
2912	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3416	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2913	sub_generation_inc;	3417	sub_generation_inc;
		3418	} else {
		3419	local @cf::_safe_eval_args = values %vars;
		3420	@res = wantarray ? eval eval : scalar eval $eval;
		3421	}
2914		3422
2915	if ($@) {	3423	if ($@) {
2916	warn "$@";	3424	warn "$@",
2917	warn "while executing safe code '$code'\n";	3425	"while executing safe code '$code'\n",
2918	warn "with arguments " . (join " ", %vars) . "\n";	3426	"with arguments " . (join " ", %vars) . "\n";
2919	}	3427	}
2920		3428
2921	wantarray ? @res : $res[0]	3429	wantarray ? @res : $res[0]
2922	}	3430	}
2923		3431
…		…
2937	=cut	3445	=cut
2938		3446
2939	sub register_script_function {	3447	sub register_script_function {
2940	my ($fun, $cb) = @_;	3448	my ($fun, $cb) = @_;
2941		3449
2942	no strict 'refs';	3450	$fun = "safe::$fun" if $CFG{safe_eval};
2943	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3451	*$fun = $safe_hole->wrap ($cb);
2944	}	3452	}
2945		3453
2946	=back	3454	=back
2947		3455
2948	=cut	3456	=cut
…		…
2957	# for this (global event?)	3465	# for this (global event?)
2958	%ext::player_env::MUSIC_FACE_CACHE = ();	3466	%ext::player_env::MUSIC_FACE_CACHE = ();
2959		3467
2960	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3468	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2961		3469
2962	warn "loading facedata from $path\n";	3470	trace "loading facedata from $path\n";
2963		3471
2964	my $facedata;	3472	my $facedata = decode_storable load_file $path;
2965	0 < aio_load $path, $facedata
2966	or die "$path: $!";
2967
2968	$facedata = Coro::Storable::thaw $facedata;
2969		3473
2970	$facedata->{version} == 2	3474	$facedata->{version} == 2
2971	or cf::cleanup "$path: version mismatch, cannot proceed.";	3475	or cf::cleanup "$path: version mismatch, cannot proceed.";
2972		3476
2973	# 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]);
2974	$facedata->{resource}{"res/exp_table"} = {	3479	$facedata->{resource}{"res/exp_table"} = {
2975	type => FT_RSRC,	3480	type => FT_RSRC,
2976	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),
2977	};	3483	};
2978	cf::cede_to_tick;	3484	cf::cede_to_tick;
2979		3485
2980	{	3486	{
2981	my $faces = $facedata->{faceinfo};	3487	my $faces = $facedata->{faceinfo};
2982		3488
2983	while (my ($face, $info) = each %$faces) {	3489	while (my ($face, $info) = each %$faces) {
2984	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3490	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3491
2985	cf::face::set_visibility $idx, $info->{visibility};	3492	cf::face::set_visibility $idx, $info->{visibility};
2986	cf::face::set_magicmap $idx, $info->{magicmap};	3493	cf::face::set_magicmap $idx, $info->{magicmap};
2987	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3494	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2988	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} , $info->{glyph} ;
2989		3497
2990	cf::cede_to_tick;	3498	cf::cede_to_tick;
2991	}	3499	}
2992		3500
2993	while (my ($face, $info) = each %$faces) {	3501	while (my ($face, $info) = each %$faces) {
2994	next unless $info->{smooth};	3502	next unless $info->{smooth};
		3503
2995	my $idx = cf::face::find $face	3504	my $idx = cf::face::find $face
2996	or next;	3505	or next;
		3506
2997	if (my $smooth = cf::face::find $info->{smooth}) {	3507	if (my $smooth = cf::face::find $info->{smooth}) {
2998	cf::face::set_smooth $idx, $smooth;	3508	cf::face::set_smooth $idx, $smooth;
2999	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3509	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3000	} else {	3510	} else {
3001	warn "smooth face '$info->{smooth}' not found for face '$face'";	3511	error "smooth face '$info->{smooth}' not found for face '$face'";
3002	}	3512	}
3003		3513
3004	cf::cede_to_tick;	3514	cf::cede_to_tick;
3005	}	3515	}
3006	}	3516	}
…		…
3015		3525
3016	cf::anim::invalidate_all; # d'oh	3526	cf::anim::invalidate_all; # d'oh
3017	}	3527	}
3018		3528
3019	{	3529	{
3020	# TODO: for gcfclient pleasure, we should give resources
3021	# that gcfclient doesn't grok a >10000 face index.
3022	my $res = $facedata->{resource};	3530	my $res = $facedata->{resource};
3023		3531
3024	my $soundconf = delete $res->{"res/sound.conf"};
3025
3026	while (my ($name, $info) = each %$res) {	3532	while (my ($name, $info) = each %$res) {
		3533	if (defined $info->{type}) {
3027	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3534	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3028	my $data;
3029		3535
3030	if ($info->{type} & 1) {	3536	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3031	# prepend meta info	3537	cf::face::set_type $idx, $info->{type};
3032
3033	my $meta = $enc->encode ({
3034	name => $name,
3035	%{ $info->{meta} || {} },
3036	});
3037
3038	$data = pack "(w/a*)*", $meta, $info->{data};
3039	} else {	3538	} else {
3040	$data = $info->{data};	3539	$RESOURCE{$name} = $info; # unused
3041	}	3540	}
3042		3541
3043	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3044	cf::face::set_type $idx, $info->{type};
3045
3046	cf::cede_to_tick;	3542	cf::cede_to_tick;
3047	}	3543	}
3048
3049	if ($soundconf) {
3050	$soundconf = $enc->decode (delete $soundconf->{data});
3051
3052	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3053	my $sound = $soundconf->{compat}[$_]
3054	or next;
3055
3056	my $face = cf::face::find "sound/$sound->[1]";
3057	cf::sound::set $sound->[0] => $face;
3058	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3059	}
3060
3061	while (my ($k, $v) = each %{$soundconf->{event}}) {
3062	my $face = cf::face::find "sound/$v";
3063	cf::sound::set $k => $face;
3064	}
3065	}
3066	}	3544	}
		3545
		3546	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3067		3547
3068	1	3548	1
3069	}	3549	}
3070		3550
3071	register_exticmd fx_want => sub {	3551	register_exticmd fx_want => sub {
…		…
3073		3553
3074	while (my ($k, $v) = each %$want) {	3554	while (my ($k, $v) = each %$want) {
3075	$ns->fx_want ($k, $v);	3555	$ns->fx_want ($k, $v);
3076	}	3556	}
3077	};	3557	};
		3558
		3559	sub load_resource_file($) {
		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	$status
		3567	}
3078		3568
3079	sub reload_regions {	3569	sub reload_regions {
3080	# HACK to clear player env face cache, we need some signal framework	3570	# HACK to clear player env face cache, we need some signal framework
3081	# for this (global event?)	3571	# for this (global event?)
3082	%ext::player_env::MUSIC_FACE_CACHE = ();	3572	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3096	}	3586	}
3097		3587
3098	sub reload_archetypes {	3588	sub reload_archetypes {
3099	load_resource_file "$DATADIR/archetypes"	3589	load_resource_file "$DATADIR/archetypes"
3100	or die "unable to load archetypes\n";	3590	or die "unable to load archetypes\n";
3101	#d# NEED to laod twice to resolve forward references
3102	# this really needs to be done in an extra post-pass
3103	# (which needs to be synchronous, so solve it differently)
3104	load_resource_file "$DATADIR/archetypes"
3105	or die "unable to load archetypes\n";
3106	}	3591	}
3107		3592
3108	sub reload_treasures {	3593	sub reload_treasures {
3109	load_resource_file "$DATADIR/treasures"	3594	load_resource_file "$DATADIR/treasures"
3110	or die "unable to load treasurelists\n";	3595	or die "unable to load treasurelists\n";
3111	}	3596	}
3112		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
3113	sub reload_resources {	3618	sub reload_resources {
3114	warn "reloading resource files...\n";	3619	trace "reloading resource files...\n";
3115		3620
		3621	reload_exp_table;
		3622	reload_materials;
		3623	reload_facedata;
		3624	reload_sound;
		3625	reload_archetypes;
3116	reload_regions;	3626	reload_regions;
3117	reload_facedata;
3118	#reload_archetypes;#d#
3119	reload_archetypes;
3120	reload_treasures;	3627	reload_treasures;
3121		3628
3122	warn "finished reloading resource files\n";	3629	trace "finished reloading resource files\n";
3123	}
3124
3125	sub init {
3126	reload_resources;
3127	}	3630	}
3128		3631
3129	sub reload_config {	3632	sub reload_config {
3130	open my $fh, "<:utf8", "$CONFDIR/config"	3633	trace "reloading config file...\n";
3131	or return;
3132		3634
3133	local $/;	3635	my $config = load_file "$CONFDIR/config";
3134	*CFG = YAML::Syck::Load <$fh>;	3636	utf8::decode $config;
		3637	*CFG = decode_yaml $config;
3135		3638
3136	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3639	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3137		3640
3138	$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};
3139	$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};
3140		3643
3141	if (exists $CFG{mlockall}) {	3644	if (exists $CFG{mlockall}) {
…		…
3145	};	3648	};
3146	warn $@ if $@;	3649	warn $@ if $@;
3147	}	3650	}
3148	}	3651	}
3149		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
3150	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
3151	# we must not ever block the main coroutine	3691	# we must not ever block the main coroutine
3152	local $Coro::idle = sub {	3692	local $Coro::idle = sub {
3153	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#
3154	(async {	3694	(async {
3155	Event::one_event;	3695	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3696	EV::loop EV::LOOP_ONESHOT;
3156	})->prio (Coro::PRIO_MAX);	3697	})->prio (Coro::PRIO_MAX);
3157	};	3698	};
3158		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;
3159	reload_config;	3712	reload_config;
3160	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
3161	load_extensions;	3723	load_extensions;
3162		3724
3163	$TICK_WATCHER->start;	3725	utime time, time, $RUNTIMEFILE;
3164	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;
3165	}	3743	}
3166		3744
3167	#############################################################################	3745	#############################################################################
3168	# initialisation and cleanup	3746	# initialisation and cleanup
3169		3747
3170	# install some emergency cleanup handlers	3748	# install some emergency cleanup handlers
3171	BEGIN {	3749	BEGIN {
		3750	our %SIGWATCHER = ();
3172	for my $signal (qw(INT HUP TERM)) {	3751	for my $signal (qw(INT HUP TERM)) {
3173	Event->signal (	3752	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3174	reentrant => 0,
3175	data => WF_AUTOCANCEL,
3176	signal => $signal,
3177	prio => 0,
3178	cb => sub {
3179	cf::cleanup "SIG$signal";	3753	cf::cleanup "SIG$signal";
3180	},
3181	);	3754	};
3182	}	3755	}
3183	}	3756	}
3184		3757
3185	sub write_runtime {	3758	sub write_runtime_sync {
3186	my $runtime = "$LOCALDIR/runtime";	3759	my $t0 = AE::time;
3187		3760
3188	# first touch the runtime file to show we are still running:	3761	# first touch the runtime file to show we are still running:
3189	# the fsync below can take a very very long time.	3762	# the fsync below can take a very very long time.
3190		3763
3191	IO::AIO::aio_utime $runtime, undef, undef;	3764	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3192		3765
3193	my $guard = cf::lock_acquire "write_runtime";	3766	my $guard = cf::lock_acquire "write_runtime";
3194		3767
3195	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3768	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3196	or return;	3769	or return;
3197		3770
3198	my $value = $cf::RUNTIME + 90 + 10;	3771	my $value = $cf::RUNTIME + 90 + 10;
3199	# 10 is the runtime save interval, for a monotonic clock	3772	# 10 is the runtime save interval, for a monotonic clock
3200	# 60 allows for the watchdog to kill the server.	3773	# 60 allows for the watchdog to kill the server.
…		…
3210	aio_utime $fh, undef, undef;	3783	aio_utime $fh, undef, undef;
3211		3784
3212	close $fh	3785	close $fh
3213	or return;	3786	or return;
3214		3787
3215	aio_rename "$runtime~", $runtime	3788	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3216	and return;	3789	and return;
3217		3790
3218	warn "runtime file written.\n";	3791	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3219		3792
3220	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 };
3221	}	3844	}
3222		3845
3223	sub emergency_save() {	3846	sub emergency_save() {
3224	my $freeze_guard = cf::freeze_mainloop;	3847	my $freeze_guard = cf::freeze_mainloop;
3225		3848
3226	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;
3227		3855
3228	cf::sync_job {	3856	cf::sync_job {
		3857	cf::write_runtime_sync; # external watchdog should not bark
		3858
3229	# use a peculiar iteration method to avoid tripping on perl	3859	# use a peculiar iteration method to avoid tripping on perl
3230	# refcount bugs in for. also avoids problems with players	3860	# refcount bugs in for. also avoids problems with players
3231	# and maps saved/destroyed asynchronously.	3861	# and maps saved/destroyed asynchronously.
3232	warn "begin emergency player save\n";	3862	info "emergency_perl_save: begin player save\n";
3233	for my $login (keys %cf::PLAYER) {	3863	for my $login (keys %cf::PLAYER) {
3234	my $pl = $cf::PLAYER{$login} or next;	3864	my $pl = $cf::PLAYER{$login} or next;
3235	$pl->valid or next;	3865	$pl->valid or next;
		3866	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3236	$pl->save;	3867	$pl->save;
3237	}	3868	}
3238	warn "end emergency player save\n";	3869	info "emergency_perl_save: end player save\n";
3239		3870
3240	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";
3241	for my $path (keys %cf::MAP) {	3874	for my $path (keys %cf::MAP) {
3242	my $map = $cf::MAP{$path} or next;	3875	my $map = $cf::MAP{$path} or next;
3243	$map->valid or next;	3876	$map->valid or next;
3244	$map->save;	3877	$map->save;
3245	}	3878	}
3246	warn "end emergency map save\n";	3879	info "emergency_perl_save: end map save\n";
3247		3880
3248	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";
3249	BDB::db_env_txn_checkpoint $DB_ENV;	3884	BDB::db_env_txn_checkpoint $DB_ENV;
3250	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 $DB_ENV;
		3895
		3896	info "emergency_perl_save: starting sync\n";
		3897	IO::AIO::aio_sync sub {
		3898	info "emergency_perl_save: finished sync\n";
		3899	};
		3900
		3901	cf::write_runtime_sync; # external watchdog should not bark
		3902
		3903	trace "emergency_perl_save: flushing outstanding aio requests";
		3904	while (IO::AIO::nreqs || BDB::nreqs) {
		3905	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3906	}
		3907
		3908	cf::write_runtime_sync; # external watchdog should not bark
3251	};	3909	};
3252		3910
3253	warn "leave emergency perl save\n";	3911	info "emergency_perl_save: leave\n";
3254	}	3912	}
3255		3913
3256	sub post_cleanup {	3914	sub post_cleanup {
3257	my ($make_core) = @_;	3915	my ($make_core) = @_;
3258		3916
		3917	IO::AIO::flush;
		3918
3259	warn Carp::longmess "post_cleanup backtrace"	3919	error Carp::longmess "post_cleanup backtrace"
3260	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	}
3261	}	3949	}
3262		3950
3263	sub do_reload_perl() {	3951	sub do_reload_perl() {
3264	# can/must only be called in main	3952	# can/must only be called in main
3265	if ($Coro::current != $Coro::main) {	3953	unless (in_main) {
3266	warn "can only reload from main coroutine";	3954	error "can only reload from main coroutine";
3267	return;	3955	return;
3268	}	3956	}
3269		3957
3270	warn "reloading...";	3958	return if $RELOAD++;
3271		3959
3272	warn "entering sync_job";	3960	my $t1 = AE::time;
3273		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
3274	cf::sync_job {	3968	cf::sync_job {
3275	cf::write_runtime; # external watchdog should not bark
3276	cf::emergency_save;	3969	#cf::emergency_save;
3277	cf::write_runtime; # external watchdog should not bark
3278		3970
3279	warn "syncing database to disk";
3280	BDB::db_env_txn_checkpoint $DB_ENV;
3281
3282	# if anything goes wrong in here, we should simply crash as we already saved
3283
3284	warn "cancelling all WF_AUTOCANCEL watchers";
3285	for (Event::all_watchers) {
3286	$_->cancel if $_->data & WF_AUTOCANCEL;
3287	}
3288
3289	warn "flushing outstanding aio requests";
3290	for (;;) {
3291	BDB::flush;
3292	IO::AIO::flush;
3293	Coro::cede;
3294	last unless IO::AIO::nreqs || BDB::nreqs;
3295	warn "iterate...";
3296	}
3297
3298	++$RELOAD;
3299
3300	warn "cancelling all extension coros";	3971	trace "perl_reload: cancelling all extension coros";
3301	$_->cancel for values %EXT_CORO;	3972	$_->cancel for values %EXT_CORO;
3302	%EXT_CORO = ();	3973	%EXT_CORO = ();
3303		3974
3304	warn "removing commands";	3975	trace "perl_reload: removing commands";
3305	%COMMAND = ();	3976	%COMMAND = ();
3306		3977
3307	warn "removing ext/exti commands";	3978	trace "perl_reload: removing ext/exti commands";
3308	%EXTCMD = ();	3979	%EXTCMD = ();
3309	%EXTICMD = ();	3980	%EXTICMD = ();
3310		3981
3311	warn "unloading/nuking all extensions";	3982	trace "perl_reload: unloading/nuking all extensions";
3312	for my $pkg (@EXTS) {	3983	for my $pkg (@EXTS) {
3313	warn "... unloading $pkg";	3984	trace "... unloading $pkg";
3314		3985
3315	if (my $cb = $pkg->can ("unload")) {	3986	if (my $cb = $pkg->can ("unload")) {
3316	eval {	3987	eval {
3317	$cb->($pkg);	3988	$cb->($pkg);
3318	1	3989	1
3319	} 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;
3320	}	3995	}
3321		3996
3322	warn "... nuking $pkg";
3323	Symbol::delete_package $pkg;
3324	}
3325
3326	warn "unloading all perl modules loaded from $LIBDIR";	3997	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3327	while (my ($k, $v) = each %INC) {	3998	while (my ($k, $v) = each %INC) {
3328	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3999	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3329		4000
3330	warn "... unloading $k";	4001	trace "... unloading $k";
3331	delete $INC{$k};	4002	delete $INC{$k};
3332		4003
3333	$k =~ s/\.pm$//;	4004	$k =~ s/\.pm$//;
3334	$k =~ s/\//::/g;	4005	$k =~ s/\//::/g;
3335		4006
3336	if (my $cb = $k->can ("unload_module")) {	4007	if (my $cb = $k->can ("unload_module")) {
3337	$cb->();	4008	$cb->();
		4009	}
		4010
		4011	clear_package $k;
3338	}	4012	}
3339		4013
3340	Symbol::delete_package $k;
3341	}
3342
3343	warn "getting rid of safe::, as good as possible";	4014	trace "perl_reload: getting rid of safe::, as good as possible";
3344	Symbol::delete_package "safe::$_"	4015	clear_package "safe::$_"
3345	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);
3346		4017
3347	warn "unloading cf.pm \"a bit\"";	4018	trace "perl_reload: unloading cf.pm \"a bit\"";
3348	delete $INC{"cf.pm"};	4019	delete $INC{"cf.pm"};
3349	delete $INC{"cf/pod.pm"};	4020	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3350		4021
3351	# don't, removes xs symbols, too,	4022	# don't, removes xs symbols, too,
3352	# and global variables created in xs	4023	# and global variables created in xs
3353	#Symbol::delete_package __PACKAGE__;	4024	#clear_package __PACKAGE__;
3354		4025
3355	warn "unload completed, starting to reload now";	4026	info "perl_reload: unload completed, starting to reload now";
3356		4027
3357	warn "reloading cf.pm";	4028	trace "perl_reload: reloading cf.pm";
3358	require cf;	4029	require cf;
3359	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4030	cf::_connect_to_perl_1;
3360		4031
3361	warn "loading config and database again";	4032	trace "perl_reload: loading config and database again";
3362	cf::reload_config;	4033	cf::reload_config;
3363		4034
3364	warn "loading extensions";	4035	trace "perl_reload: loading extensions";
3365	cf::load_extensions;	4036	cf::load_extensions;
3366		4037
		4038	if ($REATTACH_ON_RELOAD) {
3367	warn "reattaching attachments to objects/players";	4039	trace "perl_reload: reattaching attachments to objects/players";
3368	_global_reattach; # objects, sockets	4040	_global_reattach; # objects, sockets
3369	warn "reattaching attachments to maps";	4041	trace "perl_reload: reattaching attachments to maps";
3370	reattach $_ for values %MAP;	4042	reattach $_ for values %MAP;
3371	warn "reattaching attachments to players";	4043	trace "perl_reload: reattaching attachments to players";
3372	reattach $_ for values %PLAYER;	4044	reattach $_ for values %PLAYER;
		4045	}
3373		4046
3374	warn "leaving sync_job";	4047	cf::_post_init 1;
3375		4048
		4049	trace "perl_reload: leaving sync_job";
		4050
3376	1	4051	1
3377	} or do {	4052	} or do {
3378	warn $@;	4053	error $@;
3379	warn "error while reloading, exiting.";	4054	cf::cleanup "perl_reload: error, exiting.";
3380	exit 1;	4055	};
		4056
		4057	--$RELOAD;
3381	};	4058	}
3382		4059
3383	warn "reloaded";	4060	$t1 = AE::time - $t1;
		4061	info "perl_reload: completed in ${t1}s\n";
3384	};	4062	};
3385		4063
3386	our $RELOAD_WATCHER; # used only during reload	4064	our $RELOAD_WATCHER; # used only during reload
3387		4065
3388	sub reload_perl() {	4066	sub reload_perl() {
3389	# doing reload synchronously and two reloads happen back-to-back,	4067	# doing reload synchronously and two reloads happen back-to-back,
3390	# coro crashes during coro_state_free->destroy here.	4068	# coro crashes during coro_state_free->destroy here.
3391		4069
3392	$RELOAD_WATCHER ||= Event->timer (	4070	$RELOAD_WATCHER ||= cf::async {
3393	reentrant => 0,	4071	Coro::AIO::aio_wait cache_extensions;
3394	after => 0,	4072
3395	data => WF_AUTOCANCEL,	4073	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3396	cb => sub {
3397	do_reload_perl;	4074	do_reload_perl;
3398	undef $RELOAD_WATCHER;	4075	undef $RELOAD_WATCHER;
3399	},	4076	};
3400	);	4077	};
3401	}	4078	}
3402		4079
3403	register_command "reload" => sub {	4080	register_command "reload" => sub {
3404	my ($who, $arg) = @_;	4081	my ($who, $arg) = @_;
3405		4082
3406	if ($who->flag (FLAG_WIZ)) {	4083	if ($who->flag (FLAG_WIZ)) {
3407	$who->message ("reloading server.");	4084	$who->message ("reloading server.");
		4085	async {
		4086	$Coro::current->{desc} = "perl_reload";
3408	async { reload_perl };	4087	reload_perl;
		4088	};
3409	}	4089	}
3410	};	4090	};
3411		4091
3412	unshift @INC, $LIBDIR;	4092	#############################################################################
3413		4093
3414	my $bug_warning = 0;	4094	my $bug_warning = 0;
3415		4095
3416	our @WAIT_FOR_TICK;	4096	our @WAIT_FOR_TICK;
3417	our @WAIT_FOR_TICK_BEGIN;	4097	our @WAIT_FOR_TICK_BEGIN;
3418		4098
3419	sub wait_for_tick {	4099	sub wait_for_tick() {
3420	return unless $TICK_WATCHER->is_active;
3421	return if $Coro::current == $Coro::main;	4100	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3422		4101
3423	my $signal = new Coro::Signal;	4102	my $signal = new Coro::Signal;
3424	push @WAIT_FOR_TICK, $signal;	4103	push @WAIT_FOR_TICK, $signal;
3425	$signal->wait;	4104	$signal->wait;
3426	}	4105	}
3427		4106
3428	sub wait_for_tick_begin {	4107	sub wait_for_tick_begin() {
3429	return unless $TICK_WATCHER->is_active;
3430	return if $Coro::current == $Coro::main;	4108	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3431		4109
3432	my $signal = new Coro::Signal;	4110	my $signal = new Coro::Signal;
3433	push @WAIT_FOR_TICK_BEGIN, $signal;	4111	push @WAIT_FOR_TICK_BEGIN, $signal;
3434	$signal->wait;	4112	$signal->wait;
3435	}	4113	}
3436		4114
3437	my $min = 1e6;#d#	4115	sub tick {
3438	my $avg = 10;
3439	$TICK_WATCHER = Event->timer (
3440	reentrant => 0,
3441	parked => 1,
3442	prio => 0,
3443	at => $NEXT_TICK || $TICK,
3444	data => WF_AUTOCANCEL,
3445	cb => sub {
3446	if ($Coro::current != $Coro::main) {	4116	if ($Coro::current != $Coro::main) {
3447	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"
3448	unless ++$bug_warning > 10;	4118	unless ++$bug_warning > 10;
3449	return;	4119	return;
3450	}	4120	}
3451		4121
3452	$NOW = $tick_start = Event::time;
3453
3454	cf::server_tick; # one server iteration	4122	cf::server_tick; # one server iteration
3455		4123
3456	0 && sync_job {#d#	4124	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3457	for(1..10) {
3458	my $t = Event::time;
3459	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3460	or die;
3461		4125
3462	$map->width (50);	4126	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3463	$map->height (50);	4127	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3464	$map->alloc;	4128	Coro::async_pool {
3465	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work	4129	$Coro::current->{desc} = "runtime saver";
3466	my $t = Event::time - $t;	4130	write_runtime_sync
3467		4131	or error "ERROR: unable to write runtime file: $!";
3468	#next unless $t < 0.0013;#d#
3469	if ($t < $min) {
3470	$min = $t;
3471	}
3472	$avg = $avg * 0.99 + $t * 0.01;
3473	}
3474	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3475	exit 0;
3476	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3477	};	4132	};
		4133	}
3478		4134
3479	$RUNTIME += $TICK;
3480	$NEXT_TICK += $TICK;
3481
3482	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3483	$NEXT_RUNTIME_WRITE = $NOW + 10;
3484	Coro::async_pool {
3485	write_runtime
3486	or warn "ERROR: unable to write runtime file: $!";
3487	};
3488	}
3489
3490	# my $AFTER = Event::time;
3491	# warn $AFTER - $NOW;#d#
3492
3493	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4135	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3494	$sig->send;	4136	$sig->send;
3495	}	4137	}
3496	while (my $sig = shift @WAIT_FOR_TICK) {	4138	while (my $sig = shift @WAIT_FOR_TICK) {
3497	$sig->send;	4139	$sig->send;
3498	}	4140	}
3499		4141
3500	$NOW = Event::time;	4142	$LOAD = ($NOW - $TICK_START) / $TICK;
3501
3502	# if we are delayed by four ticks or more, skip them all
3503	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3504
3505	$TICK_WATCHER->at ($NEXT_TICK);
3506	$TICK_WATCHER->start;
3507
3508	$LOAD = ($NOW - $tick_start) / $TICK;
3509	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4143	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3510		4144
3511	_post_tick;	4145	if (0) {
3512		4146	if ($NEXT_TICK) {
3513		4147	my $jitter = $TICK_START - $NEXT_TICK;
		4148	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4149	debug "jitter $JITTER\n";#d#
		4150	}
3514	},	4151	}
3515	);	4152	}
3516		4153
3517	{	4154	{
3518	BDB::max_poll_time $TICK * 0.1;	4155	# configure BDB
3519	$BDB_POLL_WATCHER = Event->io (	4156
3520	reentrant => 0,
3521	fd => BDB::poll_fileno,
3522	poll => 'r',
3523	prio => 0,
3524	data => WF_AUTOCANCEL,
3525	cb => \&BDB::poll_cb,
3526	);
3527	BDB::min_parallel 8;	4157	BDB::min_parallel 16;
3528		4158	BDB::max_poll_reqs $TICK * 0.1;
3529	BDB::set_sync_prepare {	4159	$AnyEvent::BDB::WATCHER->priority (1);
3530	my $status;
3531	my $current = $Coro::current;
3532	(
3533	sub {
3534	$status = $!;
3535	$current->ready; undef $current;
3536	},
3537	sub {
3538	Coro::schedule while defined $current;
3539	$! = $status;
3540	},
3541	)
3542	};
3543		4160
3544	unless ($DB_ENV) {	4161	unless ($DB_ENV) {
3545	$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);
3546		4168
3547	cf::sync_job {	4169	cf::sync_job {
3548	eval {	4170	eval {
3549	BDB::db_env_open	4171	BDB::db_env_open
3550	$DB_ENV,	4172	$DB_ENV,
…		…
3552	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
3553	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4175	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3554	0666;	4176	0666;
3555		4177
3556	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4178	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3557
3558	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3559	$DB_ENV->set_lk_detect;
3560	};	4179	};
3561		4180
3562	cf::cleanup "db_env_open(db): $@" if $@;	4181	cf::cleanup "db_env_open(db): $@" if $@;
3563	};	4182	};
3564	}	4183	}
		4184
		4185	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4186	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4187	};
		4188	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4189	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4190	};
		4191	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4192	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4193	};
3565	}	4194	}
3566		4195
3567	{	4196	{
		4197	# configure IO::AIO
		4198
3568	IO::AIO::min_parallel 8;	4199	IO::AIO::min_parallel 8;
3569
3570	undef $Coro::AIO::WATCHER;
3571	IO::AIO::max_poll_time $TICK * 0.1;	4200	IO::AIO::max_poll_time $TICK * 0.1;
3572	$AIO_POLL_WATCHER = Event->io (	4201	undef $AnyEvent::AIO::WATCHER;
3573	reentrant => 0,
3574	data => WF_AUTOCANCEL,
3575	fd => IO::AIO::poll_fileno,
3576	poll => 'r',
3577	prio => 6,
3578	cb => \&IO::AIO::poll_cb,
3579	);
3580	}	4202	}
3581		4203
3582	my $_log_backtrace;	4204	our $_log_backtrace;
		4205	our $_log_backtrace_last;
3583		4206
3584	sub _log_backtrace {	4207	sub _log_backtrace {
3585	my ($msg, @addr) = @_;	4208	my ($msg, @addr) = @_;
3586		4209
3587	$msg =~ s/\n//;	4210	$msg =~ s/\n$//;
3588		4211
		4212	if ($_log_backtrace_last eq $msg) {
		4213	LOG llevInfo, "[ABT] $msg\n";
		4214	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3589	# limit the # of concurrent backtraces	4215	# limit the # of concurrent backtraces
3590	if ($_log_backtrace < 2) {	4216	} elsif ($_log_backtrace < 2) {
		4217	$_log_backtrace_last = $msg;
3591	++$_log_backtrace;	4218	++$_log_backtrace;
		4219	my $perl_bt = Carp::longmess $msg;
3592	async {	4220	async {
		4221	$Coro::current->{desc} = "abt $msg";
		4222
3593	my @bt = fork_call {	4223	my @bt = fork_call {
3594	@addr = map { sprintf "%x", $_ } @addr;	4224	@addr = map { sprintf "%x", $_ } @addr;
3595	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4225	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3596	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 |"
3597	or die "addr2line: $!";	4227	or die "addr2line: $!";
…		…
3605	}	4235	}
3606		4236
3607	@funcs	4237	@funcs
3608	};	4238	};
3609		4239
3610	LOG llevInfo, "[ABT] $msg\n";	4240	LOG llevInfo, "[ABT] $perl_bt\n";
		4241	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3611	LOG llevInfo, "[ABT] $_\n" for @bt;	4242	LOG llevInfo, "[ABT] $_\n" for @bt;
3612	--$_log_backtrace;	4243	--$_log_backtrace;
3613	};	4244	};
3614	} else {	4245	} else {
3615	LOG llevInfo, "[ABT] $msg\n";	4246	LOG llevInfo, "[ABT] $msg\n";
3616	LOG llevInfo, "[ABT] [suppressed]\n";	4247	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3617	}	4248	}
3618	}	4249	}
3619		4250
3620	# load additional modules	4251	# load additional modules
3621	use cf::pod;	4252	require "cf/$_.pm" for @EXTRA_MODULES;
		4253	cf::_connect_to_perl_2;
3622		4254
3623	END { cf::emergency_save }	4255	END { cf::emergency_save }
3624		4256
3625	1	4257	1
3626		4258

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