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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.371 by root, Thu Sep 13 16:16:01 2007 UTC vs.
Revision 1.566 by root, Sun May 1 16:58:16 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.64 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	56	use Fcntl;
31	use YAML::Syck ();	57	use YAML::XS ();
32	use IO::AIO 2.32 ();	58	use IO::AIO ();
33	use Time::HiRes;	59	use Time::HiRes;
34	use Compress::LZF;	60	use Compress::LZF;
35	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
36		64
37	# configure various modules to our taste	65	# configure various modules to our taste
38	#	66	#
39	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		75
43	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
44		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		78
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
54		85
55	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
65	our $DATADIR = datadir;	99	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
69	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
75		120
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	123	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		125
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	126	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	127	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	129	our $DB_ENV;
89		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
90	our %CFG;	133	our %CFG;
91		134
92	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
94		138
95	our (%PLAYER, %PLAYER_LOADING); # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
98		142
99	# 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 ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		145
102	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)
103	our $LOADAVG; # same thing, but with alpha-smoothing	147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
104	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 $REALLY_UNLOOP; # never set to true, please :)
105		155
106	binmode STDOUT;	156	binmode STDOUT;
107	binmode STDERR;	157	binmode STDERR;
108		158
109	# read virtual server time, if available	159	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	161	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
114	}	164	}
		165
		166	eval "sub TICK() { $TICK } 1" or die;
115		167
116	mkdir $_	168	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
118		170
119	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
120		172
121	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::"} };
122		189
123	#############################################################################	190	#############################################################################
124		191
125	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
126		193
…		…
162		229
163	The raw value load value from the last tick.	230	The raw value load value from the last tick.
164		231
165	=item %cf::CFG	232	=item %cf::CFG
166		233
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	235	from wherever your confdir points to.
169		236
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		238
172	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
173	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
174	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.
175		242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
176	=item @cf::INVOKE_RESULTS	248	=item @cf::INVOKE_RESULTS
177		249
178	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
179	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
180	that call.	252	that call.
181		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
182	=back	260	=back
183		261
184	=cut	262	=cut
185		263
186	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
187	*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 {
188	my $msg = join "", @_;	271	my $msg = join "", @_;
189		272
190	$msg .= "\n"	273	$msg .= "\n"
191	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
192		275
193	$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;
194		277
195	LOG llevError, $msg;	278	LOG llevWarn, $msg;
196	};	279	};
197	}	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	};
198		294
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	305	for my $pkg (qw(
210	cf::global cf::attachable	306	cf::global cf::attachable
211	cf::object cf::object::player	307	cf::object cf::object::player
212	cf::client cf::player	308	cf::client cf::player
213	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
214	cf::map cf::party cf::region	311	cf::party cf::region
215	)) {	312	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	314	}
219		315
220	$Event::DIED = sub {	316	$EV::DIED = sub {
221	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
222	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
223		324
224	#############################################################################	325	#############################################################################
225		326
226	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
227		328
…		…
248	$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;
249	$d	350	$d
250	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
251	}	352	}
252		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
253	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
254		369
255	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
256		371
257	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
258		373
259	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
260		375
261	=cut	376	=cut
262		377
263	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
264		379
265	sub to_json ($) { $json_coder->encode ($_[0]) }	380	sub encode_json($) { $json_coder->encode ($_[0]) }
266	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	}
267		444
268	=item cf::lock_wait $string	445	=item cf::lock_wait $string
269		446
270	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
271		448
272	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
273		450
274	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
275	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,
276	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
277	returned.	454	returned.
278		455
279	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
280	deadlocked coro.	457	deadlocked coro.
…		…
286		463
287	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.
288		465
289	=cut	466	=cut
290		467
291	our %LOCK;	468	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		469
294	sub lock_wait($) {	470	sub lock_wait($) {
295	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
296
297	if ($LOCKER{$key} == $Coro::current) {#d#
298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299	return;#d#
300	}#d#
301
302	# wait for lock, if any
303	while ($LOCK{$key}) {
304	push @{ $LOCK{$key} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	472	}
308		473
309	sub lock_acquire($) {	474	sub lock_acquire($) {
310	my ($key) = @_;	475	$LOCKS->guard ($_[0])
311
312	# wait, to be sure we are not locked
313	lock_wait $key;
314
315	$LOCK{$key} = [];
316	$LOCKER{$key} = $Coro::current;#d#
317
318	Coro::guard {
319	delete $LOCKER{$key};#d#
320	# wake up all waiters, to be on the safe side
321	$_->ready for @{ delete $LOCK{$key} };
322	}
323	}	476	}
324		477
325	sub lock_active($) {	478	sub lock_active($) {
326	my ($key) = @_;	479	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	480	}
330		481
331	sub freeze_mainloop {	482	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
333		484
334	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	486	}
336	};	487
337	$TICK_WATCHER->stop;	488	=item cf::periodic $interval, $cb
338	$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
339	}	501	}
340		502
341	=item cf::get_slot $time[, $priority[, $name]]	503	=item cf::get_slot $time[, $priority[, $name]]
342		504
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	505	Allocate $time seconds of blocking CPU time at priority C<$priority>
344	This call blocks and returns only when you have at least C<$time> seconds	506	(default: 0): This call blocks and returns only when you have at least
345	of cpu time till the next tick. The slot is only valid till the next cede.	507	C<$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.
346		512
347	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
348	used for statistical purposes and should identify the same time-class.	514	used for statistical purposes and should identify the same time-class.
349		515
350	Useful for short background jobs.	516	Useful for short background jobs.
351		517
352	=cut	518	=cut
353		519
354	our @SLOT_QUEUE;	520	our @SLOT_QUEUE;
355	our $SLOT_QUEUE;	521	our $SLOT_QUEUE;
		522	our $SLOT_DECAY = 0.9;
356		523
357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	524	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
358	$SLOT_QUEUE = Coro::async {	525	$SLOT_QUEUE = Coro::async {
		526	$Coro::current->desc ("timeslot manager");
		527
359	my $signal = new Coro::Signal;	528	my $signal = new Coro::Signal;
		529	my $busy;
360		530
361	while () {	531	while () {
362	next_job:	532	next_job:
		533
363	my $avail = cf::till_tick;	534	my $avail = cf::till_tick;
364	if ($avail > 0.01) {	535
365	for (0 .. $#SLOT_QUEUE) {	536	for (0 .. $#SLOT_QUEUE) {
366	if ($SLOT_QUEUE[$_][0] < $avail) {	537	if ($SLOT_QUEUE[$_][0] <= $avail) {
		538	$busy = 0;
367	my $job = splice @SLOT_QUEUE, $_, 1, ();	539	my $job = splice @SLOT_QUEUE, $_, 1, ();
368	$job->[2]->send;	540	$job->[2]->send;
369	Coro::cede;	541	Coro::cede;
370	goto next_job;	542	goto next_job;
371	}	543	} else {
		544	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
372	}	545	}
373	}	546	}
374		547
375	if (@SLOT_QUEUE) {	548	if (@SLOT_QUEUE) {
376	# 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
377	push @cf::WAIT_FOR_TICK, $signal;	550	push @cf::WAIT_FOR_TICK, $signal;
378	$signal->wait;	551	$signal->wait;
379	} else {	552	} else {
		553	$busy = 0;
380	Coro::schedule;	554	Coro::schedule;
381	}	555	}
382	}	556	}
383	};	557	};
384		558
385	sub get_slot($;$$) {	559	sub get_slot($;$$) {
		560	return if tick_inhibit || $Coro::current == $Coro::main;
		561
386	my ($time, $pri, $name) = @_;	562	my ($time, $pri, $name) = @_;
387		563
388	$time = $TICK * .6 if $time > $TICK * .6;	564	$time = clamp $time, 0.01, $TICK * .6;
		565
389	my $sig = new Coro::Signal;	566	my $sig = new Coro::Signal;
390		567
391	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	568	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
392	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	569	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
393	$SLOT_QUEUE->ready;	570	$SLOT_QUEUE->ready;
…		…
404		581
405	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
406		583
407	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
408		585
409	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	586	The design of Deliantra requires that the main coroutine ($Coro::main)
410	is always able to handle events or runnable, as Crossfire TRT is only	587	is always able to handle events or runnable, as Deliantra is only
411	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	588	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
412	acceptable.	589	acceptable.
413		590
414	If it must be done, put the blocking parts into C<sync_job>. This will run	591	If it must be done, put the blocking parts into C<sync_job>. This will run
415	the given BLOCK in another coroutine while waiting for the result. The	592	the given BLOCK in another coroutine while waiting for the result. The
…		…
419	=cut	596	=cut
420		597
421	sub sync_job(&) {	598	sub sync_job(&) {
422	my ($job) = @_;	599	my ($job) = @_;
423		600
424	if ($Coro::current == $Coro::main) {	601	if (in_main) {
425	my $time = Event::time;	602	my $time = AE::time;
426		603
427	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
428	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
429		606
430	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
431	# (but this is cancel-safe)	608
432	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
433		610
434	my $busy = 1;	611	my $busy = 1;
435	my @res;	612	my @res;
436		613
437	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
438	@res = eval { $job->() };	616	@res = eval { $job->() };
439	warn $@ if $@;	617	error $@ if $@;
440	undef $busy;	618	undef $busy;
441	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
442		620
443	while ($busy) {	621	while ($busy) {
444	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
445	}	626	}
		627	}
446		628
447	$time = Event::time - $time;	629	my $time = AE::time - $time;
448		630
449	LOG llevError | logBacktrace, Carp::longmess "long sync job"
450	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
451
452	$tick_start += $time; # do not account sync jobs to server load	631	$TICK_START += $time; # do not account sync jobs to server load
453		632
454	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
455	} else {	634	} else {
456	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
457		636
…		…
477	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
478		657
479	$coro	658	$coro
480	}	659	}
481		660
482	=item fork_call { }, $args	661	=item fork_call { }, @args
483		662
484	Executes the given code block with the given arguments in a seperate	663	Executes the given code block with the given arguments in a seperate
485	process, returning the results. Everything must be serialisable with	664	process, returning the results. Everything must be serialisable with
486	Coro::Storable. May, of course, block. Note that the executed sub may	665	Coro::Storable. May, of course, block. Note that the executed sub may
487	never block itself or use any form of Event handling.	666	never block itself or use any form of event handling.
488		667
489	=cut	668	=cut
		669
		670	sub post_fork {
		671	reset_signals;
		672	}
490		673
491	sub fork_call(&@) {	674	sub fork_call(&@) {
492	my ($cb, @args) = @_;	675	my ($cb, @args) = @_;
493		676
494	# we seemingly have to make a local copy of the whole thing,	677	# we seemingly have to make a local copy of the whole thing,
495	# otherwise perl prematurely frees the stuff :/	678	# otherwise perl prematurely frees the stuff :/
496	# TODO: investigate and fix (likely this will be rather laborious)	679	# TODO: investigate and fix (likely this will be rather laborious)
497		680
498	my @res = Coro::Util::fork_eval {	681	my @res = Coro::Util::fork_eval {
499	reset_signals;	682	cf::post_fork;
500	&$cb	683	&$cb
501	}, @args;	684	} @args;
502		685
503	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
504	}	725	}
505		726
506	=item $value = cf::db_get $family => $key	727	=item $value = cf::db_get $family => $key
507		728
508	Returns a single value from the environment database.	729	Returns a single value from the environment database.
…		…
518	within each server.	739	within each server.
519		740
520	=cut	741	=cut
521		742
522	sub db_table($) {	743	sub db_table($) {
		744	cf::error "db_get called from main context"
		745	if $Coro::current == $Coro::main;
		746
523	my ($name) = @_;	747	my ($name) = @_;
524	my $db = BDB::db_create $DB_ENV;	748	my $db = BDB::db_create $DB_ENV;
525		749
526	eval {	750	eval {
527	$db->set_flags (BDB::CHKSUM);	751	$db->set_flags (BDB::CHKSUM);
…		…
537	}	761	}
538		762
539	our $DB;	763	our $DB;
540		764
541	sub db_init {	765	sub db_init {
542	cf::sync_job {
543	$DB ||= db_table "db";	766	$DB ||= db_table "db";
544	};
545	}	767	}
546		768
547	sub db_get($$) {	769	sub db_get($$) {
548	my $key = "$_[0]/$_[1]";	770	my $key = "$_[0]/$_[1]";
549		771
550	cf::sync_job {	772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
551	BDB::db_get $DB, undef, $key, my $data;	775	BDB::db_get $DB, undef, $key, my $data;
552		776
553	$! ? ()	777	$! ? ()
554	: $data	778	: $data
555	}
556	}	779	}
557		780
558	sub db_put($$$) {	781	sub db_put($$$) {
559	BDB::dbreq_pri 4;	782	BDB::dbreq_pri 4;
560	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
588		811
589	my @data;	812	my @data;
590	my $md5;	813	my $md5;
591		814
592	for (0 .. $#$src) {	815	for (0 .. $#$src) {
593	0 <= aio_load $src->[$_], $data[$_]	816	$data[$_] = load_file $src->[$_];
594	or Carp::croak "$src->[$_]: $!";
595	}	817	}
596		818
597	# if processing is expensive, check	819	# if processing is expensive, check
598	# checksum first	820	# checksum first
599	if (1) {	821	if (1) {
…		…
616		838
617	my $t1 = Time::HiRes::time;	839	my $t1 = Time::HiRes::time;
618	my $data = $process->(\@data);	840	my $data = $process->(\@data);
619	my $t2 = Time::HiRes::time;	841	my $t2 = Time::HiRes::time;
620		842
621	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
622		844
623	db_put cache => "$id/data", $data;	845	db_put cache => "$id/data", $data;
624	db_put cache => "$id/md5" , $md5;	846	db_put cache => "$id/md5" , $md5;
625	db_put cache => "$id/meta", $meta;	847	db_put cache => "$id/meta", $meta;
626		848
…		…
636		858
637	=cut	859	=cut
638		860
639	sub datalog($@) {	861	sub datalog($@) {
640	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
641	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
642	}	864	}
643		865
644	=back	866	=back
645		867
646	=cut	868	=cut
647		869
648	#############################################################################	870	#############################################################################
649		871
650	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
651		873
652	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
653	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")
654	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
655		877
656	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>
657	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
658	Crossfire TRT).	880	Deliantra).
659		881
660	=over 4	882	=over 4
661		883
662	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
663		885
…		…
707	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
708		930
709	Register an attachment by C<$name> through which attachable objects of the	931	Register an attachment by C<$name> through which attachable objects of the
710	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
711		933
712	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
713	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.
714		936
715	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
716		938
717	=over 4	939	=over 4
…		…
841		1063
842	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
843	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
844		1066
845	} elsif (ref $type) {	1067	} elsif (ref $type) {
846	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
847		1069
848	} else {	1070	} else {
849	shift @arg;	1071	shift @arg;
850	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
851	}	1073	}
852	}	1074	}
853	}	1075	}
854		1076
855	sub _object_attach {	1077	sub _object_attach {
…		…
865	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
866	}	1088	}
867		1089
868	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
869	} else {	1091	} else {
870	warn "object uses attachment '$name' which is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
871	}	1093	}
872		1094
873	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
874	}	1096	}
875		1097
…		…
934		1156
935	for (@$callbacks) {	1157	for (@$callbacks) {
936	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
937		1159
938	if ($@) {	1160	if ($@) {
939	warn "$@";
940	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
941	override;	1162	override;
942	}	1163	}
943		1164
944	return 1 if $override;	1165	return 1 if $override;
945	}	1166	}
946		1167
947	0	1168	0
948	}	1169	}
949		1170
950	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
951		1172
952	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
953		1174
954	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
955		1176
…		…
961		1182
962	=cut	1183	=cut
963		1184
964	#############################################################################	1185	#############################################################################
965	# object support	1186	# object support
966	#
967		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 $SLOW_MERGES;#d#
968	sub _can_merge {	1221	sub _can_merge {
969	my ($ob1, $ob2) = @_;	1222	my ($ob1, $ob2) = @_;
970		1223
971	local $Storable::canonical = 1;	1224	++$SLOW_MERGES;#d#
972	my $fob1 = Storable::freeze $ob1;
973	my $fob2 = Storable::freeze $ob2;
974		1225
975	$fob1 eq $fob2	1226	# we do the slow way here
		1227	return _object_equal $ob1, $ob2
976	}	1228	}
977		1229
978	sub reattach {	1230	sub reattach {
979	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
980	my ($obj) = @_;	1232	my ($obj) = @_;
981		1233
		1234	# no longer needed after getting rid of delete_package?
982	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
983		1236
984	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
985		1238
986	@$registry = ();	1239	@$registry = ();
987		1240
…		…
992	for (@$attach) {	1245	for (@$attach) {
993	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
994	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
995	}	1248	}
996	} else {	1249	} else {
997	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
998	}	1251	}
999	}	1252	}
1000	}	1253	}
1001		1254
1002	cf::attachable->attach (	1255	cf::attachable->attach (
1003	prio => -1000000,	1256	prio => -1000000,
1004	on_instantiate => sub {	1257	on_instantiate => sub {
1005	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
1006		1259
1007	$data = from_json $data;	1260	$data = decode_json $data;
1008		1261
1009	for (@$data) {	1262	for (@$data) {
1010	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
1011		1264
1012	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
1026	);	1279	);
1027		1280
1028	sub object_freezer_save {	1281	sub object_freezer_save {
1029	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
1030		1283
1031	my $guard = cf::lock_acquire "io";
1032
1033	sync_job {	1284	sync_job {
1034	if (length $$rdata) {	1285	if (length $$rdata) {
1035	utf8::decode (my $decname = $filename);	1286	utf8::decode (my $decname = $filename);
1036	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
1037	$decname, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
1038		1290
1039	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1040	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
1041	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1042	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	}
1043	close $fh;	1298	aio_close $fh;
1044		1299
1045	if (@$objs) {	1300	if (@$objs) {
1046	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) {
1047	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
1048	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1049	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
1050	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	}
1051	close $fh;	1309	aio_close $fh;
1052	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
1053	}	1311	}
1054	} else {	1312	} else {
1055	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
1056	}	1314	}
1057		1315
1058	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
1059	} else {	1320	} else {
1060	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
1061	}	1322	}
1062	} else {	1323	} else {
1063	aio_unlink $filename;	1324	aio_unlink $filename;
1064	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
1065	}	1326	}
1066	};	1327	};
1067
1068	undef $guard;
1069	}	1328	}
1070		1329
1071	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
1072	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
1073		1332
…		…
1078		1337
1079	sub object_thawer_load {	1338	sub object_thawer_load {
1080	my ($filename) = @_;	1339	my ($filename) = @_;
1081		1340
1082	my ($data, $av);	1341	my ($data, $av);
1083
1084	my $guard = cf::lock_acquire "io";
1085		1342
1086	(aio_load $filename, $data) >= 0	1343	(aio_load $filename, $data) >= 0
1087	or return;	1344	or return;
1088		1345
1089	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
1090	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
1091	or return;	1348	or return;
1092		1349
1093	undef $guard;
1094	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
1095	}	1352	}
1096		1353
1097	utf8::decode (my $decname = $filename);	1354	utf8::decode (my $decname = $filename);
1098	warn sprintf "loading %s (%d,%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
1099	$decname, length $data, scalar @{$av || []};	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
1100		1358
1101	($data, $av)	1359	($data, $av)
1102	}	1360	}
1103		1361
1104	=head2 COMMAND CALLBACKS	1362	=head2 COMMAND CALLBACKS
…		…
1160	my ($name, $cb) = @_;	1418	my ($name, $cb) = @_;
1161		1419
1162	$EXTICMD{$name} = $cb;	1420	$EXTICMD{$name} = $cb;
1163	}	1421	}
1164		1422
		1423	use File::Glob ();
		1424
1165	cf::player->attach (	1425	cf::player->attach (
1166	on_command => sub {	1426	on_unknown_command => sub {
1167	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
1168		1428
1169	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
1170	or return;	1430	or return;
1171		1431
…		…
1194		1454
1195	$pl->ext_reply ($reply, @reply)	1455	$pl->ext_reply ($reply, @reply)
1196	if $reply;	1456	if $reply;
1197		1457
1198	} else {	1458	} else {
1199	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1200	}	1460	}
1201		1461
1202	cf::override;	1462	cf::override;
1203	},	1463	},
1204	);	1464	);
1205		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
1206	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
1207	cf::sync_job {	1482	cf::sync_job {
1208	my %todo;	1483	my %todo;
1209		1484
1210	for my $path (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
1211	next unless -r $path;	1486	next unless -r $path;
…		…
1229		1504
1230	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1231	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1232		1507
1233	$ext{source} =	1508	$ext{source} =
1234	"package $pkg; use strict; use utf8;\n"	1509	"package $pkg; use common::sense;\n"
1235	. "#line 1 \"$path\"\n{\n"	1510	. "#line 1 \"$path\"\n{\n"
1236	. $source	1511	. $source
1237	. "\n};\n1";	1512	. "\n};\n1";
1238		1513
1239	$todo{$base} = \%ext;	1514	$todo{$base} = \%ext;
1240	}	1515	}
1241		1516
		1517	my $pass = 0;
1242	my %done;	1518	my %done;
1243	while (%todo) {	1519	while (%todo) {
1244	my $progress;	1520	my $progress;
1245		1521
		1522	++$pass;
		1523
		1524	ext:
1246	while (my ($k, $v) = each %todo) {	1525	while (my ($k, $v) = each %todo) {
1247	for (split /,\s*/, $v->{meta}{depends}) {	1526	for (split /,\s*/, $v->{meta}{depends}) {
1248	goto skip	1527	next ext
1249	unless exists $done{$_};	1528	unless exists $done{$_};
1250	}	1529	}
1251		1530
1252	warn "... loading '$k' into '$v->{pkg}'\n";	1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1253		1532
1254	unless (eval $v->{source}) {	1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
1255	my $msg = $@ ? "$v->{path}: $@\n"	1536	error "$v->{path}: $@\n";
1256	: "$v->{base}: extension inactive.\n";
1257		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1258	if (exists $v->{meta}{mandatory}) {	1539	if exists $v->{meta}{mandatory};
1259	warn $msg;	1540
1260	warn "mandatory extension failed to load, exiting.\n";	1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1261	exit 1;	1542	delete $todo{$k};
1262	}	1543	} else {
1263		1544	$done{$k} = delete $todo{$k};
1264	warn $msg;	1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
1265	}	1550	}
1266
1267	$done{$k} = delete $todo{$k};
1268	push @EXTS, $v->{pkg};
1269	$progress = 1;
1270	}	1551	}
1271		1552
1272	skip:	1553	unless ($progress) {
1273	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1274	unless $progress;	1555
		1556	while (my ($k, $v) = each %todo) {
		1557	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559	}
		1560
		1561	last;
		1562	}
1275	}	1563	}
1276	};	1564	};
1277	}	1565	}
1278		1566
1279	#############################################################################	1567	#############################################################################
1280		1568
1281	=back	1569	=back
1282		1570
1283	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
1284		1572
1285	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
1286		1574
1287	=cut	1575	=cut
1288		1576
1289	package cf::player;	1577	package cf::player;
1290		1578
…		…
1333		1621
1334	sub exists($) {	1622	sub exists($) {
1335	my ($login) = @_;	1623	my ($login) = @_;
1336		1624
1337	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
1338	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
1339	}	1627	}
1340		1628
1341	sub find($) {	1629	sub find($) {
1342	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
1343	my $login = $_[0];	1631	my $login = $_[0];
…		…
1353	aio_unlink +(playerdir $login) . "/$login.pl";	1641	aio_unlink +(playerdir $login) . "/$login.pl";
1354		1642
1355	my $f = new_from_file cf::object::thawer path $login	1643	my $f = new_from_file cf::object::thawer path $login
1356	or return;	1644	or return;
1357		1645
1358	$f->next;
1359	my $pl = cf::player::load_pl $f	1646	my $pl = cf::player::load_pl $f
1360	or return;	1647	or return;
		1648
1361	local $cf::PLAYER_LOADING{$login} = $pl;	1649	local $cf::PLAYER_LOADING{$login} = $pl;
1362	$f->resolve_delayed_derefs;	1650	$f->resolve_delayed_derefs;
1363	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1364	}	1652	}
1365	}	1653	}
1366	}	1654	}
1367		1655
		1656	cf::player->attach (
		1657	on_load => sub {
		1658	my ($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
1368	sub save($) {	1669	sub save($) {
1369	my ($pl) = @_;	1670	my ($pl) = @_;
1370		1671
1371	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
1372		1673
…		…
1375		1676
1376	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1377		1678
1378	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1379	$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];
1380		1686
1381	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1382	cf::cede_to_tick;	1688	cf::cede_to_tick;
1383	}	1689	}
1384		1690
…		…
1416	my ($pl) = @_;	1722	my ($pl) = @_;
1417		1723
1418	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1419		1725
1420	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1421	$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
1422		1728
1423	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1424	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1425	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1426	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1427		1737
1428	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1429	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1430	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1468		1778
1469	for my $login (@$dirs) {	1779	for my $login (@$dirs) {
1470	my $path = path $login;	1780	my $path = path $login;
1471		1781
1472	# a .pst is a dead give-away for a valid player	1782	# a .pst is a dead give-away for a valid player
1473	unless (-e "$path.pst") {	1783	# if no pst file found, open and chekc for blocked users
		1784	if (aio_stat "$path.pst") {
1474	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1475	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1476	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
1477	}	1788	}
1478		1789
…		…
1482		1793
1483	\@logins	1794	\@logins
1484	}	1795	}
1485		1796
1486	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1487		1800
1488	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1489	player. May block.	1802	player. May block.
1490		1803
1491	=cut	1804	=cut
…		…
1509	}	1822	}
1510		1823
1511	\@paths	1824	\@paths
1512	}	1825	}
1513		1826
1514	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1515		1828
1516	Expand crossfire pod fragments into protocol xml.	1829	Expand deliantra pod fragments into protocol xml.
1517
1518	=cut
1519
1520	sub expand_cfpod {
1521	((my $self), (local $_)) = @_;
1522
1523	# escape & and <
1524	s/&/&amp;/g;
1525	s/(?<![BIUGHT])</&lt;/g;
1526
1527	# this is buggy, it needs to properly take care of nested <'s
1528
1529	1 while
1530	# replace B<>, I<>, U<> etc.
1531	s/B<([^\>]*)>/<b>$1<\/b>/
1532	|| s/I<([^\>]*)>/<i>$1<\/i>/
1533	|| s/U<([^\>]*)>/<u>$1<\/u>/
1534	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1535	# replace G<male|female> tags
1536	|| s{G<([^>|]*)\|([^>]*)>}{
1537	$self->gender ? $2 : $1
1538	}ge
1539	# replace H<hint text>
1540	|| s{H<([^\>]*)>}
1541	{
1542	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1543	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1544	"")
1545	[$self->{hintmode}]
1546	}ge;
1547
1548	# create single paragraphs (very hackish)
1549	s/(?<=\S)\n(?=\w)/ /g;
1550
1551	# compress some whitespace
1552	s/\s+\n/\n/g; # ws line-ends
1553	s/\n\n+/\n/g; # double lines
1554	s/^\n+//; # beginning lines
1555	s/\n+$//; # ending lines
1556
1557	$_
1558	}
1559
1560	sub hintmode {
1561	$_[0]{hintmode} = $_[1] if @_ > 1;
1562	$_[0]{hintmode}
1563	}
1564		1830
1565	=item $player->ext_reply ($msgid, @msg)	1831	=item $player->ext_reply ($msgid, @msg)
1566		1832
1567	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1568		1834
…		…
1600		1866
1601	=cut	1867	=cut
1602		1868
1603	sub find_by_path($) {	1869	sub find_by_path($) {
1604	my ($path) = @_;	1870	my ($path) = @_;
		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
1605		1873
1606	my ($match, $specificity);	1874	my ($match, $specificity);
1607		1875
1608	for my $region (list) {	1876	for my $region (list) {
1609	if ($region->{match} && $path =~ $region->{match}) {	1877	if ($region->{match} && $path =~ $region->{match}) {
…		…
1635	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1636	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1637		1905
1638	sub generate_random_map {	1906	sub generate_random_map {
1639	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1640	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1641	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1642	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1643	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1644	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1645	$rmp->{exit_on_final_map},
1646	$rmp->{xsize}, $rmp->{ysize},
1647	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1648	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1649	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1650	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1651	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1652	(cf::region::find $rmp->{region}), $rmp->{custom}
1653	)
1654	}	1912	}
1655		1913
1656	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1657		1915
1658	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
…		…
1663		1921
1664	sub register {	1922	sub register {
1665	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1666	my $pkg = caller;	1924	my $pkg = caller;
1667		1925
1668	no strict;
1669	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1670		1927
1671	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1672	}	1929	}
1673		1930
1674	# also paths starting with '/'	1931	# also paths starting with '/'
1675	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1676		1933
1677	sub thawer_merge {	1934	sub thawer_merge {
1678	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1679		1936
1680	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
…		…
1685	}	1942	}
1686		1943
1687	sub normalise {	1944	sub normalise {
1688	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1689		1946
1690	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1691		1948
1692	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1693		1950
1694	# map plan:	1951	# map plan:
1695	#	1952	#
…		…
1697	# {... are special paths that are not being touched	1954	# {... are special paths that are not being touched
1698	# ?xxx/... are special absolute paths	1955	# ?xxx/... are special absolute paths
1699	# ?random/... random maps	1956	# ?random/... random maps
1700	# /... normal maps	1957	# /... normal maps
1701	# ~user/... per-player map of a specific user	1958	# ~user/... per-player map of a specific user
		1959	# !up !down for quad maps, or other maps with up/down layers
1702		1960
1703	$path =~ s/$PATH_SEP/\//go;	1961	$path =~ s/$PATH_SEP/\//go;
1704		1962
1705	# treat it as relative path if it starts with	1963	# treat it as relative path if it starts with
1706	# something that looks reasonable	1964	# something that looks reasonable
1707	if ($path =~ m{^(?:\./|\.\./|\w)}) {	1965	if ($path =~ m{^(?:\./|\.\./|\w)}) {
1708	$base or Carp::carp "normalise called with relative path and no base: '$path'";	1966	$base or Carp::carp "normalise called with relative path and no base: '$path'";
1709		1967
1710	$base =~ s{[^/]+/?$}{};	1968	$base =~ s{[^/]+/?$}{};
1711	$path = "$base/$path";	1969	$path = "$base/$path";
		1970
		1971	} elsif ($path eq '!up') {
		1972	$base && ref $base
		1973	or Carp::carp "normalise called with relative tile path and no base: '$path'";
		1974
		1975	my $uppth = $base->tile_path (cf::TILE_UP);
		1976	$path = $uppth if $uppth;
		1977
		1978	} elsif ($path eq '!down') {
		1979	$base && ref $base
		1980	or Carp::carp "normalise called with relative tile path and no base: '$path'";
		1981
		1982	my $dpth = $base->tile_path (cf::TILE_DOWN);
		1983	$path = $dpth if $dpth;
1712	}	1984	}
1713		1985
1714	for ($path) {	1986	for ($path) {
1715	redo if s{//}{/};
1716	redo if s{/\.?/}{/};	1987	redo if s{/\.?/}{/};
1717	redo if s{/[^/]+/\.\./}{/};	1988	redo if s{/[^/]+/\.\./}{/};
1718	}	1989	}
1719		1990
1720	$path	1991	$path
…		…
1734	$self->init; # pass $1 etc.	2005	$self->init; # pass $1 etc.
1735	return $self;	2006	return $self;
1736	}	2007	}
1737	}	2008	}
1738		2009
1739	Carp::cluck "unable to resolve path '$path' (base '$base').";	2010	Carp::cluck "unable to resolve path '$path' (base '$base')";
1740	()	2011	()
1741	}	2012	}
1742		2013
		2014	# may re-bless or do other evil things
1743	sub init {	2015	sub init {
1744	my ($self) = @_;	2016	my ($self) = @_;
1745		2017
1746	$self	2018	$self
1747	}	2019	}
…		…
1766		2038
1767	# the temporary/swap location	2039	# the temporary/swap location
1768	sub save_path {	2040	sub save_path {
1769	my ($self) = @_;	2041	my ($self) = @_;
1770		2042
1771	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2043	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1772	"$TMPDIR/$path.map"	2044	"$TMPDIR/$path.map"
1773	}	2045	}
1774		2046
1775	# the unique path, undef == no special unique path	2047	# the unique path, undef == no special unique path
1776	sub uniq_path {	2048	sub uniq_path {
1777	my ($self) = @_;	2049	my ($self) = @_;
1778		2050
1779	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2051	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1780	"$UNIQUEDIR/$path"	2052	"$UNIQUEDIR/$path"
1781	}
1782
1783	# and all this just because we cannot iterate over
1784	# all maps in C++...
1785	sub change_all_map_light {
1786	my ($change) = @_;
1787
1788	$_->change_map_light ($change)
1789	for grep $_->outdoor, values %cf::MAP;
1790	}	2053	}
1791		2054
1792	sub decay_objects {	2055	sub decay_objects {
1793	my ($self) = @_;	2056	my ($self) = @_;
1794		2057
…		…
1821	$self->{load_path} = $path;	2084	$self->{load_path} = $path;
1822		2085
1823	1	2086	1
1824	}	2087	}
1825		2088
		2089	# used to laod the header of an original map
1826	sub load_header_orig {	2090	sub load_header_orig {
1827	my ($self) = @_;	2091	my ($self) = @_;
1828		2092
1829	$self->load_header_from ($self->load_path)	2093	$self->load_header_from ($self->load_path)
1830	}	2094	}
1831		2095
		2096	# used to laod the header of an instantiated map
1832	sub load_header_temp {	2097	sub load_header_temp {
1833	my ($self) = @_;	2098	my ($self) = @_;
1834		2099
1835	$self->load_header_from ($self->save_path)	2100	$self->load_header_from ($self->save_path)
1836	}	2101	}
1837		2102
		2103	# called after loading the header from an instantiated map
1838	sub prepare_temp {	2104	sub prepare_temp {
1839	my ($self) = @_;	2105	my ($self) = @_;
1840		2106
1841	$self->last_access ((delete $self->{last_access})	2107	$self->last_access ((delete $self->{last_access})
1842	|| $cf::RUNTIME); #d#	2108	|| $cf::RUNTIME); #d#
1843	# safety	2109	# safety
1844	$self->{instantiate_time} = $cf::RUNTIME	2110	$self->{instantiate_time} = $cf::RUNTIME
1845	if $self->{instantiate_time} > $cf::RUNTIME;	2111	if $self->{instantiate_time} > $cf::RUNTIME;
1846	}	2112	}
1847		2113
		2114	# called after loading the header from an original map
1848	sub prepare_orig {	2115	sub prepare_orig {
1849	my ($self) = @_;	2116	my ($self) = @_;
1850		2117
1851	$self->{load_original} = 1;	2118	$self->{load_original} = 1;
1852	$self->{instantiate_time} = $cf::RUNTIME;	2119	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1876		2143
1877	sub find;	2144	sub find;
1878	sub find {	2145	sub find {
1879	my ($path, $origin) = @_;	2146	my ($path, $origin) = @_;
1880		2147
		2148	cf::cede_to_tick;
		2149
1881	$path = normalise $path, $origin && $origin->path;	2150	$path = normalise $path, $origin;
1882		2151
1883	cf::lock_wait "map_data:$path";#d#remove	2152	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1884	cf::lock_wait "map_find:$path";	2153	my $guard2 = cf::lock_acquire "map_find:$path";
1885		2154
1886	$cf::MAP{$path} || do {	2155	$cf::MAP{$path} || do {
1887	my $guard1 = cf::lock_acquire "map_find:$path";
1888	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1889
1890	my $map = new_from_path cf::map $path	2156	my $map = new_from_path cf::map $path
1891	or return;	2157	or return;
1892		2158
1893	$map->{last_save} = $cf::RUNTIME;	2159	$map->{last_save} = $cf::RUNTIME;
1894		2160
…		…
1896	or return;	2162	or return;
1897		2163
1898	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2164	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1899	# doing this can freeze the server in a sync job, obviously	2165	# doing this can freeze the server in a sync job, obviously
1900	#$cf::WAIT_FOR_TICK->wait;	2166	#$cf::WAIT_FOR_TICK->wait;
		2167	undef $guard2;
1901	undef $guard1;	2168	undef $guard1;
1902	undef $guard2;
1903	$map->reset;	2169	$map->reset;
1904	return find $path;	2170	return find $path;
1905	}	2171	}
1906		2172
1907	$cf::MAP{$path} = $map	2173	$cf::MAP{$path} = $map
1908	}	2174	}
1909	}	2175	}
1910		2176
1911	sub pre_load { }	2177	sub pre_load { }
1912	sub post_load { }	2178	#sub post_load { } # XS
1913		2179
1914	sub load {	2180	sub load {
1915	my ($self) = @_;	2181	my ($self) = @_;
1916		2182
1917	local $self->{deny_reset} = 1; # loading can take a long time	2183	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1929	$self->alloc;	2195	$self->alloc;
1930		2196
1931	$self->pre_load;	2197	$self->pre_load;
1932	cf::cede_to_tick;	2198	cf::cede_to_tick;
1933		2199
		2200	if (exists $self->{load_path}) {
1934	my $f = new_from_file cf::object::thawer $self->{load_path};	2201	my $f = new_from_file cf::object::thawer $self->{load_path};
1935	$f->skip_block;	2202	$f->skip_block;
1936	$self->_load_objects ($f)	2203	$self->_load_objects ($f)
1937	or return;	2204	or return;
1938		2205
1939	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2206	$self->post_load_original
1940	if delete $self->{load_original};	2207	if delete $self->{load_original};
1941		2208
1942	if (my $uniq = $self->uniq_path) {	2209	if (my $uniq = $self->uniq_path) {
1943	utf8::encode $uniq;	2210	utf8::encode $uniq;
1944	unless (aio_stat $uniq) {	2211	unless (aio_stat $uniq) {
1945	if (my $f = new_from_file cf::object::thawer $uniq) {	2212	if (my $f = new_from_file cf::object::thawer $uniq) {
1946	$self->clear_unique_items;	2213	$self->clear_unique_items;
1947	$self->_load_objects ($f);	2214	$self->_load_objects ($f);
1948	$f->resolve_delayed_derefs;	2215	$f->resolve_delayed_derefs;
		2216	}
1949	}	2217	}
1950	}	2218	}
1951	}
1952		2219
1953	$f->resolve_delayed_derefs;	2220	$f->resolve_delayed_derefs;
		2221	} else {
		2222	$self->post_load_original
		2223	if delete $self->{load_original};
		2224	}
1954		2225
1955	cf::cede_to_tick;	2226	cf::cede_to_tick;
1956	# now do the right thing for maps	2227	# now do the right thing for maps
1957	$self->link_multipart_objects;	2228	$self->link_multipart_objects;
1958	$self->difficulty ($self->estimate_difficulty)	2229	$self->difficulty ($self->estimate_difficulty)
…		…
1962	unless ($self->{deny_activate}) {	2233	unless ($self->{deny_activate}) {
1963	$self->decay_objects;	2234	$self->decay_objects;
1964	$self->fix_auto_apply;	2235	$self->fix_auto_apply;
1965	$self->update_buttons;	2236	$self->update_buttons;
1966	cf::cede_to_tick;	2237	cf::cede_to_tick;
1967	$self->set_darkness_map;
1968	cf::cede_to_tick;
1969	$self->activate;	2238	$self->activate;
1970	}	2239	}
1971		2240
1972	$self->{last_save} = $cf::RUNTIME;	2241	$self->{last_save} = $cf::RUNTIME;
1973	$self->last_access ($cf::RUNTIME);	2242	$self->last_access ($cf::RUNTIME);
1974		2243
1975	$self->in_memory (cf::MAP_IN_MEMORY);	2244	$self->in_memory (cf::MAP_ACTIVE);
1976	}	2245	}
1977		2246
1978	$self->post_load;	2247	$self->post_load;
1979	}
1980		2248
		2249	1
		2250	}
		2251
		2252	# customize the map for a given player, i.e.
		2253	# return the _real_ map. used by e.g. per-player
		2254	# maps to change the path to ~playername/mappath
1981	sub customise_for {	2255	sub customise_for {
1982	my ($self, $ob) = @_;	2256	my ($self, $ob) = @_;
1983		2257
1984	return find "~" . $ob->name . "/" . $self->{path}	2258	return find "~" . $ob->name . "/" . $self->{path}
1985	if $self->per_player;	2259	if $self->per_player;
…		…
2001	or next;	2275	or next;
2002	$neigh = find $neigh, $map	2276	$neigh = find $neigh, $map
2003	or next;	2277	or next;
2004	$neigh->load;	2278	$neigh->load;
2005		2279
		2280	# now find the diagonal neighbours
2006	push @neigh,	2281	push @neigh,
2007	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2282	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2008	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2283	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2009	}	2284	}
2010		2285
…		…
2017	}	2292	}
2018		2293
2019	sub find_sync {	2294	sub find_sync {
2020	my ($path, $origin) = @_;	2295	my ($path, $origin) = @_;
2021		2296
2022	cf::sync_job { find $path, $origin }	2297	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2298	if $Coro::current == $Coro::main;
		2299
		2300	find $path, $origin
2023	}	2301	}
2024		2302
2025	sub do_load_sync {	2303	sub do_load_sync {
2026	my ($map) = @_;	2304	my ($map) = @_;
2027		2305
2028	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2306	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2029	if $Coro::current == $Coro::main;	2307	if $Coro::current == $Coro::main;
2030		2308
2031	cf::sync_job { $map->load };	2309	$map->load;
2032	}	2310	}
2033		2311
2034	our %MAP_PREFETCH;	2312	our %MAP_PREFETCH;
2035	our $MAP_PREFETCHER = undef;	2313	our $MAP_PREFETCHER = undef;
2036		2314
2037	sub find_async {	2315	sub find_async {
2038	my ($path, $origin, $load) = @_;	2316	my ($path, $origin, $load) = @_;
2039		2317
2040	$path = normalise $path, $origin && $origin->{path};	2318	$path = normalise $path, $origin;
2041		2319
2042	if (my $map = $cf::MAP{$path}) {	2320	if (my $map = $cf::MAP{$path}) {
2043	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2321	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2044	}	2322	}
2045		2323
2046	$MAP_PREFETCH{$path} |= $load;	2324	$MAP_PREFETCH{$path} |= $load;
2047		2325
2048	$MAP_PREFETCHER ||= cf::async {	2326	$MAP_PREFETCHER ||= cf::async {
		2327	$Coro::current->{desc} = "map prefetcher";
		2328
2049	while (%MAP_PREFETCH) {	2329	while (%MAP_PREFETCH) {
2050	while (my ($k, $v) = each %MAP_PREFETCH) {	2330	while (my ($k, $v) = each %MAP_PREFETCH) {
2051	if (my $map = find $k) {	2331	if (my $map = find $k) {
2052	$map->load if $v;	2332	$map->load if $v;
2053	}	2333	}
…		…
2060	$MAP_PREFETCHER->prio (6);	2340	$MAP_PREFETCHER->prio (6);
2061		2341
2062	()	2342	()
2063	}	2343	}
2064		2344
		2345	# common code, used by both ->save and ->swapout
2065	sub save {	2346	sub _save {
2066	my ($self) = @_;	2347	my ($self) = @_;
2067
2068	my $lock = cf::lock_acquire "map_data:$self->{path}";
2069		2348
2070	$self->{last_save} = $cf::RUNTIME;	2349	$self->{last_save} = $cf::RUNTIME;
2071		2350
2072	return unless $self->dirty;	2351	return unless $self->dirty;
2073		2352
…		…
2079	return if $self->{deny_save};	2358	return if $self->{deny_save};
2080		2359
2081	local $self->{last_access} = $self->last_access;#d#	2360	local $self->{last_access} = $self->last_access;#d#
2082		2361
2083	cf::async {	2362	cf::async {
		2363	$Coro::current->{desc} = "map player save";
2084	$_->contr->save for $self->players;	2364	$_->contr->save for $self->players;
2085	};	2365	};
		2366
		2367	cf::get_slot 0.02;
2086		2368
2087	if ($uniq) {	2369	if ($uniq) {
2088	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2370	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2089	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2371	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2090	} else {	2372	} else {
2091	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2373	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2092	}	2374	}
2093	}	2375	}
2094		2376
		2377	sub save {
		2378	my ($self) = @_;
		2379
		2380	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2381
		2382	$self->_save;
		2383	}
		2384
2095	sub swap_out {	2385	sub swap_out {
2096	my ($self) = @_;	2386	my ($self) = @_;
2097		2387
2098	# save first because save cedes
2099	$self->save;
2100
2101	my $lock = cf::lock_acquire "map_data:$self->{path}";	2388	my $lock = cf::lock_acquire "map_data:$self->{path}";
2102		2389
		2390	return if $self->in_memory != cf::MAP_ACTIVE;
		2391	return if $self->{deny_save};
2103	return if $self->players;	2392	return if $self->players;
2104	return if $self->in_memory != cf::MAP_IN_MEMORY;
2105	return if $self->{deny_save};
2106		2393
		2394	# first deactivate the map and "unlink" it from the core
		2395	$self->deactivate;
		2396	$_->clear_links_to ($self) for values %cf::MAP;
2107	$self->in_memory (cf::MAP_SWAPPED);	2397	$self->in_memory (cf::MAP_SWAPPED);
		2398
		2399	# then atomically save
		2400	$self->_save;
		2401
		2402	# then free the map
		2403	$self->clear;
		2404	}
		2405
		2406	sub reset_at {
		2407	my ($self) = @_;
		2408
		2409	# TODO: safety, remove and allow resettable per-player maps
		2410	return 1e99 if $self->{deny_reset};
		2411
		2412	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2413	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2414
		2415	$time + $to
		2416	}
		2417
		2418	sub should_reset {
		2419	my ($self) = @_;
		2420
		2421	$self->reset_at <= $cf::RUNTIME
		2422	}
		2423
		2424	sub reset {
		2425	my ($self) = @_;
		2426
		2427	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2428
		2429	return if $self->players;
		2430
		2431	cf::trace "resetting map ", $self->path, "\n";
		2432
		2433	$self->in_memory (cf::MAP_SWAPPED);
		2434
		2435	# need to save uniques path
		2436	unless ($self->{deny_save}) {
		2437	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2438
		2439	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2440	if $uniq;
		2441	}
		2442
		2443	delete $cf::MAP{$self->path};
2108		2444
2109	$self->deactivate;	2445	$self->deactivate;
2110	$_->clear_links_to ($self) for values %cf::MAP;	2446	$_->clear_links_to ($self) for values %cf::MAP;
2111	$self->clear;	2447	$self->clear;
2112	}
2113
2114	sub reset_at {
2115	my ($self) = @_;
2116
2117	# TODO: safety, remove and allow resettable per-player maps
2118	return 1e99 if $self->{deny_reset};
2119
2120	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2121	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2122
2123	$time + $to
2124	}
2125
2126	sub should_reset {
2127	my ($self) = @_;
2128
2129	$self->reset_at <= $cf::RUNTIME
2130	}
2131
2132	sub reset {
2133	my ($self) = @_;
2134
2135	my $lock = cf::lock_acquire "map_data:$self->{path}";
2136
2137	return if $self->players;
2138
2139	warn "resetting map ", $self->path;
2140
2141	$self->in_memory (cf::MAP_SWAPPED);
2142
2143	# need to save uniques path
2144	unless ($self->{deny_save}) {
2145	my $uniq = $self->uniq_path; utf8::encode $uniq;
2146
2147	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2148	if $uniq;
2149	}
2150
2151	delete $cf::MAP{$self->path};
2152
2153	$self->deactivate;
2154	$_->clear_links_to ($self) for values %cf::MAP;
2155	$self->clear;
2156		2448
2157	$self->unlink_save;	2449	$self->unlink_save;
2158	$self->destroy;	2450	$self->destroy;
2159	}	2451	}
2160		2452
…		…
2168		2460
2169	delete $cf::MAP{$self->path};	2461	delete $cf::MAP{$self->path};
2170		2462
2171	$self->unlink_save;	2463	$self->unlink_save;
2172		2464
2173	bless $self, "cf::map";	2465	bless $self, "cf::map::wrap";
2174	delete $self->{deny_reset};	2466	delete $self->{deny_reset};
2175	$self->{deny_save} = 1;	2467	$self->{deny_save} = 1;
2176	$self->reset_timeout (1);	2468	$self->reset_timeout (1);
2177	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2469	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2178		2470
…		…
2227		2519
2228	sub unique_maps() {	2520	sub unique_maps() {
2229	[	2521	[
2230	map {	2522	map {
2231	utf8::decode $_;	2523	utf8::decode $_;
2232	/\.map$/	2524	s/\.map$//; # TODO future compatibility hack
		2525	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2526	? ()
2233	? normalise $_	2527	: normalise $_
2234	: ()
2235	} @{ aio_readdir $UNIQUEDIR or [] }	2528	} @{ aio_readdir $UNIQUEDIR or [] }
2236	]	2529	]
2237	}	2530	}
2238		2531
2239	package cf;	2532	=item cf::map::static_maps
		2533
		2534	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2535	file in the shared directory excluding F</styles> and F</editor>). May
		2536	block.
		2537
		2538	=cut
		2539
		2540	sub static_maps() {
		2541	my @dirs = "";
		2542	my @maps;
		2543
		2544	while (@dirs) {
		2545	my $dir = shift @dirs;
		2546
		2547	next if $dir eq "/styles" || $dir eq "/editor";
		2548
		2549	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2550	or return;
		2551
		2552	for (@$files) {
		2553	s/\.map$// or next;
		2554	utf8::decode $_;
		2555	push @maps, "$dir/$_";
		2556	}
		2557
		2558	push @dirs, map "$dir/$_", @$dirs;
		2559	}
		2560
		2561	\@maps
		2562	}
2240		2563
2241	=back	2564	=back
2242		2565
2243	=head3 cf::object	2566	=head3 cf::object
2244		2567
…		…
2248		2571
2249	=over 4	2572	=over 4
2250		2573
2251	=item $ob->inv_recursive	2574	=item $ob->inv_recursive
2252		2575
2253	Returns the inventory of the object _and_ their inventories, recursively.	2576	Returns the inventory of the object I<and> their inventories, recursively,
		2577	but I<not> the object itself.
2254		2578
2255	=cut	2579	=cut
2256		2580
2257	sub inv_recursive_;	2581	sub inv_recursive_;
2258	sub inv_recursive_ {	2582	sub inv_recursive_ {
…		…
2263	inv_recursive_ inv $_[0]	2587	inv_recursive_ inv $_[0]
2264	}	2588	}
2265		2589
2266	=item $ref = $ob->ref	2590	=item $ref = $ob->ref
2267		2591
2268	creates and returns a persistent reference to an objetc that can be stored as a string.	2592	Creates and returns a persistent reference to an object that can be stored as a string.
2269		2593
2270	=item $ob = cf::object::deref ($refstring)	2594	=item $ob = cf::object::deref ($refstring)
2271		2595
2272	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2596	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2273	even if the object actually exists. May block.	2597	even if the object actually exists. May block.
…		…
2275	=cut	2599	=cut
2276		2600
2277	sub deref {	2601	sub deref {
2278	my ($ref) = @_;	2602	my ($ref) = @_;
2279		2603
2280	# temporary compatibility#TODO#remove
2281	$ref =~ s{^<}{player/<};
2282
2283	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {	2604	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2284	my ($uuid, $name) = ($1, $2);	2605	my ($uuid, $name) = ($1, $2);
2285	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name	2606	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2286	or return;	2607	or return;
2287	$pl->ob->uuid eq $uuid	2608	$pl->ob->uuid eq $uuid
2288	or return;	2609	or return;
…		…
2308	can be C<undef>. Does the right thing when the player is currently in a	2629	can be C<undef>. Does the right thing when the player is currently in a
2309	dialogue with the given NPC character.	2630	dialogue with the given NPC character.
2310		2631
2311	=cut	2632	=cut
2312		2633
		2634	our $SAY_CHANNEL = {
		2635	id => "say",
		2636	title => "Map",
		2637	reply => "say ",
		2638	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2639	};
		2640
		2641	our $CHAT_CHANNEL = {
		2642	id => "chat",
		2643	title => "Chat",
		2644	reply => "chat ",
		2645	tooltip => "Player chat and shouts, global to the server.",
		2646	};
		2647
2313	# rough implementation of a future "reply" method that works	2648	# rough implementation of a future "reply" method that works
2314	# with dialog boxes.	2649	# with dialog boxes.
2315	#TODO: the first argument must go, split into a $npc->reply_to ( method	2650	#TODO: the first argument must go, split into a $npc->reply_to ( method
2316	sub cf::object::player::reply($$$;$) {	2651	sub cf::object::player::reply($$$;$) {
2317	my ($self, $npc, $msg, $flags) = @_;	2652	my ($self, $npc, $msg, $flags) = @_;
…		…
2328	my $dialog = $pl->{npc_dialog};	2663	my $dialog = $pl->{npc_dialog};
2329	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2664	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2330		2665
2331	} else {	2666	} else {
2332	$msg = $npc->name . " says: $msg" if $npc;	2667	$msg = $npc->name . " says: $msg" if $npc;
2333	$self->message ($msg, $flags);	2668	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2334	}	2669	}
2335	}	2670	}
2336	}	2671	}
2337		2672
2338	=item $object->send_msg ($channel, $msg, $color, [extra...])	2673	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2363		2698
2364	=item $player_object->enter_link	2699	=item $player_object->enter_link
2365		2700
2366	Freezes the player and moves him/her to a special map (C<{link}>).	2701	Freezes the player and moves him/her to a special map (C<{link}>).
2367		2702
2368	The player should be reasonably safe there for short amounts of time. You	2703	The player should be reasonably safe there for short amounts of time (e.g.
2369	I<MUST> call C<leave_link> as soon as possible, though.	2704	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2705	though, as the player cannot control the character while it is on the link
		2706	map.
2370		2707
2371	Will never block.	2708	Will never block.
2372		2709
2373	=item $player_object->leave_link ($map, $x, $y)	2710	=item $player_object->leave_link ($map, $x, $y)
2374		2711
…		…
2394	sub cf::object::player::enter_link {	2731	sub cf::object::player::enter_link {
2395	my ($self) = @_;	2732	my ($self) = @_;
2396		2733
2397	$self->deactivate_recursive;	2734	$self->deactivate_recursive;
2398		2735
		2736	++$self->{_link_recursion};
		2737
2399	return if UNIVERSAL::isa $self->map, "ext::map_link";	2738	return if UNIVERSAL::isa $self->map, "ext::map_link";
2400		2739
2401	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2740	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2402	if $self->map && $self->map->{path} ne "{link}";	2741	if $self->map && $self->map->{path} ne "{link}";
2403		2742
2404	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2743	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2405	}	2744	}
2406		2745
2407	sub cf::object::player::leave_link {	2746	sub cf::object::player::leave_link {
2408	my ($self, $map, $x, $y) = @_;	2747	my ($self, $map, $x, $y) = @_;
2409		2748
…		…
2426	($x, $y) = (-1, -1)	2765	($x, $y) = (-1, -1)
2427	unless (defined $x) && (defined $y);	2766	unless (defined $x) && (defined $y);
2428		2767
2429	# use -1 or undef as default coordinates, not 0, 0	2768	# use -1 or undef as default coordinates, not 0, 0
2430	($x, $y) = ($map->enter_x, $map->enter_y)	2769	($x, $y) = ($map->enter_x, $map->enter_y)
2431	if $x <=0 && $y <= 0;	2770	if $x <= 0 && $y <= 0;
2432		2771
2433	$map->load;	2772	$map->load;
2434	$map->load_neighbours;	2773	$map->load_neighbours;
2435		2774
2436	return unless $self->contr->active;	2775	return unless $self->contr->active;
2437	$self->activate_recursive;
2438		2776
2439	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2777	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2440	$self->enter_map ($map, $x, $y);	2778	if ($self->enter_map ($map, $x, $y)) {
2441	}	2779	# entering was successful
		2780	delete $self->{_link_recursion};
		2781	# only activate afterwards, to support waiting in hooks
		2782	$self->activate_recursive;
		2783	}
2442		2784
		2785	}
		2786
2443	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2787	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2444		2788
2445	Moves the player to the given map-path and coordinates by first freezing	2789	Moves the player to the given map-path and coordinates by first freezing
2446	her, loading and preparing them map, calling the provided $check callback	2790	her, loading and preparing them map, calling the provided $check callback
2447	that has to return the map if sucecssful, and then unfreezes the player on	2791	that has to return the map if sucecssful, and then unfreezes the player on
2448	the new (success) or old (failed) map position. In either case, $done will	2792	the new (success) or old (failed) map position. In either case, $done will
2449	be called at the end of this process.	2793	be called at the end of this process.
2450		2794
		2795	Note that $check will be called with a potentially non-loaded map, so if
		2796	it needs a loaded map it has to call C<< ->load >>.
		2797
2451	=cut	2798	=cut
2452		2799
2453	our $GOTOGEN;	2800	our $GOTOGEN;
2454		2801
2455	sub cf::object::player::goto {	2802	sub cf::object::player::goto {
2456	my ($self, $path, $x, $y, $check, $done) = @_;	2803	my ($self, $path, $x, $y, $check, $done) = @_;
2457		2804
		2805	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2806	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2807	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2808	($path, $x, $y) = @$EMERGENCY_POSITION;
		2809	}
		2810
2458	# do generation counting so two concurrent goto's will be executed in-order	2811	# do generation counting so two concurrent goto's will be executed in-order
2459	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2812	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2460		2813
2461	$self->enter_link;	2814	$self->enter_link;
2462		2815
2463	(async {	2816	(async {
		2817	$Coro::current->{desc} = "player::goto $path $x $y";
		2818
2464	# *tag paths override both path and x|y	2819	# *tag paths override both path and x|y
2465	if ($path =~ /^\*(.*)$/) {	2820	if ($path =~ /^\*(.*)$/) {
2466	if (my @obs = grep $_->map, ext::map_tags::find $1) {	2821	if (my @obs = grep $_->map, ext::map_tags::find $1) {
2467	my $ob = $obs[rand @obs];	2822	my $ob = $obs[rand @obs];
2468		2823
…		…
2479	($path, $x, $y) = (undef, undef, undef);	2834	($path, $x, $y) = (undef, undef, undef);
2480	}	2835	}
2481	}	2836	}
2482		2837
2483	my $map = eval {	2838	my $map = eval {
2484	my $map = defined $path ? cf::map::find $path : undef;	2839	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2485		2840
2486	if ($map) {	2841	if ($map) {
2487	$map = $map->customise_for ($self);	2842	$map = $map->customise_for ($self);
2488	$map = $check->($map) if $check && $map;	2843	$map = $check->($map, $x, $y, $self) if $check && $map;
2489	} else {	2844	} else {
2490	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2845	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2491	}	2846	}
2492		2847
2493	$map	2848	$map
…		…
2501	if ($gen == $self->{_goto_generation}) {	2856	if ($gen == $self->{_goto_generation}) {
2502	delete $self->{_goto_generation};	2857	delete $self->{_goto_generation};
2503	$self->leave_link ($map, $x, $y);	2858	$self->leave_link ($map, $x, $y);
2504	}	2859	}
2505		2860
2506	$done->() if $done;	2861	$done->($self) if $done;
2507	})->prio (1);	2862	})->prio (1);
2508	}	2863	}
2509		2864
2510	=item $player_object->enter_exit ($exit_object)	2865	=item $player_object->enter_exit ($exit_object)
2511		2866
…		…
2531	}	2886	}
2532		2887
2533	sub prepare_random_map {	2888	sub prepare_random_map {
2534	my ($exit) = @_;	2889	my ($exit) = @_;
2535		2890
2536	my $guard = cf::lock_acquire "exit_prepare:$exit";
2537
2538	# all this does is basically replace the /! path by	2891	# all this does is basically replace the /! path by
2539	# a new random map path (?random/...) with a seed	2892	# a new random map path (?random/...) with a seed
2540	# that depends on the exit object	2893	# that depends on the exit object
2541		2894
2542	my $rmp = parse_random_map_params $exit->msg;	2895	my $rmp = parse_random_map_params $exit->msg;
…		…
2544	if ($exit->map) {	2897	if ($exit->map) {
2545	$rmp->{region} = $exit->region->name;	2898	$rmp->{region} = $exit->region->name;
2546	$rmp->{origin_map} = $exit->map->path;	2899	$rmp->{origin_map} = $exit->map->path;
2547	$rmp->{origin_x} = $exit->x;	2900	$rmp->{origin_x} = $exit->x;
2548	$rmp->{origin_y} = $exit->y;	2901	$rmp->{origin_y} = $exit->y;
		2902
		2903	$exit->map->touch;
2549	}	2904	}
2550		2905
2551	$rmp->{random_seed} ||= $exit->random_seed;	2906	$rmp->{random_seed} ||= $exit->random_seed;
2552		2907
2553	my $data = cf::to_json $rmp;	2908	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2554	my $md5 = Digest::MD5::md5_hex $data;	2909	my $md5 = Digest::MD5::md5_hex $data;
2555	my $meta = "$RANDOMDIR/$md5.meta";	2910	my $meta = "$RANDOMDIR/$md5.meta";
2556		2911
2557	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2912	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2558	aio_write $fh, 0, (length $data), $data, 0;	2913	aio_write $fh, 0, (length $data), $data, 0;
2559	undef $fh;	2914	undef $fh;
2560	aio_rename "$meta~", $meta;	2915	aio_rename "$meta~", $meta;
2561		2916
		2917	my $slaying = "?random/$md5";
		2918
		2919	if ($exit->valid) {
2562	$exit->slaying ("?random/$md5");	2920	$exit->slaying ("?random/$md5");
2563	$exit->msg (undef);	2921	$exit->msg (undef);
		2922	}
2564	}	2923	}
2565	}	2924	}
2566		2925
2567	sub cf::object::player::enter_exit {	2926	sub cf::object::player::enter_exit {
2568	my ($self, $exit) = @_;	2927	my ($self, $exit) = @_;
2569		2928
2570	return unless $self->type == cf::PLAYER;	2929	return unless $self->type == cf::PLAYER;
2571		2930
2572	if ($exit->slaying eq "/!") {
2573	#TODO: this should de-fi-ni-te-ly not be a sync-job
2574	# the problem is that $exit might not survive long enough
2575	# so it needs to be done right now, right here
2576	cf::sync_job { prepare_random_map $exit };
2577	}
2578
2579	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2580	my $hp = $exit->stats->hp;
2581	my $sp = $exit->stats->sp;
2582
2583	$self->enter_link;	2931	$self->enter_link;
2584		2932
2585	# if exit is damned, update players death & WoR home-position
2586	$self->contr->savebed ($slaying, $hp, $sp)
2587	if $exit->flag (FLAG_DAMNED);
2588
2589	(async {	2933	(async {
2590	$self->deactivate_recursive; # just to be sure	2934	$Coro::current->{desc} = "enter_exit";
		2935
2591	unless (eval {	2936	unless (eval {
		2937	$self->deactivate_recursive; # just to be sure
		2938
		2939	# random map handling
		2940	{
		2941	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2942
		2943	prepare_random_map $exit
		2944	if $exit->slaying eq "/!";
		2945	}
		2946
		2947	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2948	my $x = $exit->stats->hp;
		2949	my $y = $exit->stats->sp;
		2950
2592	$self->goto ($slaying, $hp, $sp);	2951	$self->goto ($map, $x, $y);
2593		2952
		2953	# if exit is damned, update players death & WoR home-position
		2954	$self->contr->savebed ($map, $x, $y)
		2955	if $exit->flag (cf::FLAG_DAMNED);
		2956
2594	1;	2957	1
2595	}) {	2958	}) {
2596	$self->message ("Something went wrong deep within the crossfire server. "	2959	$self->message ("Something went wrong deep within the deliantra server. "
2597	. "I'll try to bring you back to the map you were before. "	2960	. "I'll try to bring you back to the map you were before. "
2598	. "Please report this to the dungeon master!",	2961	. "Please report this to the dungeon master!",
2599	cf::NDI_UNIQUE | cf::NDI_RED);	2962	cf::NDI_UNIQUE | cf::NDI_RED);
2600		2963
2601	warn "ERROR in enter_exit: $@";	2964	error "ERROR in enter_exit: $@";
2602	$self->leave_link;	2965	$self->leave_link;
2603	}	2966	}
2604	})->prio (1);	2967	})->prio (1);
2605	}	2968	}
2606		2969
…		…
2618	sub cf::client::send_drawinfo {	2981	sub cf::client::send_drawinfo {
2619	my ($self, $text, $flags) = @_;	2982	my ($self, $text, $flags) = @_;
2620		2983
2621	utf8::encode $text;	2984	utf8::encode $text;
2622	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2985	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2986	}
		2987
		2988	=item $client->send_big_packet ($pkt)
		2989
		2990	Like C<send_packet>, but tries to compress large packets, and fragments
		2991	them as required.
		2992
		2993	=cut
		2994
		2995	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2996
		2997	sub cf::client::send_big_packet {
		2998	my ($self, $pkt) = @_;
		2999
		3000	# try lzf for large packets
		3001	$pkt = "lzf " . Compress::LZF::compress $pkt
		3002	if 1024 <= length $pkt and $self->{can_lzf};
		3003
		3004	# split very large packets
		3005	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3006	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3007	$pkt = "frag";
		3008	}
		3009
		3010	$self->send_packet ($pkt);
2623	}	3011	}
2624		3012
2625	=item $client->send_msg ($channel, $msg, $color, [extra...])	3013	=item $client->send_msg ($channel, $msg, $color, [extra...])
2626		3014
2627	Send a drawinfo or msg packet to the client, formatting the msg for the	3015	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2629	the message, with C<log> being the default. If C<$color> is negative, suppress	3017	the message, with C<log> being the default. If C<$color> is negative, suppress
2630	the message unless the client supports the msg packet.	3018	the message unless the client supports the msg packet.
2631		3019
2632	=cut	3020	=cut
2633		3021
		3022	# non-persistent channels (usually the info channel)
2634	our %CHANNEL = (	3023	our %CHANNEL = (
		3024	"c/motd" => {
		3025	id => "infobox",
		3026	title => "MOTD",
		3027	reply => undef,
		3028	tooltip => "The message of the day",
		3029	},
2635	"c/identify" => {	3030	"c/identify" => {
2636	id => "identify",	3031	id => "infobox",
2637	title => "Identify",	3032	title => "Identify",
2638	reply => undef,	3033	reply => undef,
2639	tooltip => "Items recently identified",	3034	tooltip => "Items recently identified",
2640	},	3035	},
2641	"c/examine" => {	3036	"c/examine" => {
2642	id => "examine",	3037	id => "infobox",
2643	title => "Examine",	3038	title => "Examine",
2644	reply => undef,	3039	reply => undef,
2645	tooltip => "Signs and other items you examined",	3040	tooltip => "Signs and other items you examined",
2646	},	3041	},
		3042	"c/shopinfo" => {
		3043	id => "infobox",
		3044	title => "Shop Info",
		3045	reply => undef,
		3046	tooltip => "What your bargaining skill tells you about the shop",
		3047	},
		3048	"c/book" => {
		3049	id => "infobox",
		3050	title => "Book",
		3051	reply => undef,
		3052	tooltip => "The contents of a note or book",
		3053	},
		3054	"c/lookat" => {
		3055	id => "infobox",
		3056	title => "Look",
		3057	reply => undef,
		3058	tooltip => "What you saw there",
		3059	},
		3060	"c/who" => {
		3061	id => "infobox",
		3062	title => "Players",
		3063	reply => undef,
		3064	tooltip => "Shows players who are currently online",
		3065	},
		3066	"c/body" => {
		3067	id => "infobox",
		3068	title => "Body Parts",
		3069	reply => undef,
		3070	tooltip => "Shows which body parts you posess and are available",
		3071	},
		3072	"c/statistics" => {
		3073	id => "infobox",
		3074	title => "Statistics",
		3075	reply => undef,
		3076	tooltip => "Shows your primary statistics",
		3077	},
		3078	"c/skills" => {
		3079	id => "infobox",
		3080	title => "Skills",
		3081	reply => undef,
		3082	tooltip => "Shows your experience per skill and item power",
		3083	},
		3084	"c/shopitems" => {
		3085	id => "infobox",
		3086	title => "Shop Items",
		3087	reply => undef,
		3088	tooltip => "Shows the items currently for sale in this shop",
		3089	},
		3090	"c/resistances" => {
		3091	id => "infobox",
		3092	title => "Resistances",
		3093	reply => undef,
		3094	tooltip => "Shows your resistances",
		3095	},
		3096	"c/pets" => {
		3097	id => "infobox",
		3098	title => "Pets",
		3099	reply => undef,
		3100	tooltip => "Shows information abotu your pets/a specific pet",
		3101	},
		3102	"c/perceiveself" => {
		3103	id => "infobox",
		3104	title => "Perceive Self",
		3105	reply => undef,
		3106	tooltip => "You gained detailed knowledge about yourself",
		3107	},
		3108	"c/uptime" => {
		3109	id => "infobox",
		3110	title => "Uptime",
		3111	reply => undef,
		3112	tooltip => "How long the server has been running since last restart",
		3113	},
		3114	"c/mapinfo" => {
		3115	id => "infobox",
		3116	title => "Map Info",
		3117	reply => undef,
		3118	tooltip => "Information related to the maps",
		3119	},
		3120	"c/party" => {
		3121	id => "party",
		3122	title => "Party",
		3123	reply => "gsay ",
		3124	tooltip => "Messages and chat related to your party",
		3125	},
		3126	"c/death" => {
		3127	id => "death",
		3128	title => "Death",
		3129	reply => undef,
		3130	tooltip => "Reason for and more info about your most recent death",
		3131	},
		3132	"c/say" => $SAY_CHANNEL,
		3133	"c/chat" => $CHAT_CHANNEL,
2647	);	3134	);
2648		3135
2649	sub cf::client::send_msg {	3136	sub cf::client::send_msg {
2650	my ($self, $channel, $msg, $color, @extra) = @_;	3137	my ($self, $channel, $msg, $color, @extra) = @_;
2651		3138
2652	$msg = $self->pl->expand_cfpod ($msg);	3139	$msg = $self->pl->expand_cfpod ($msg)
		3140	unless $color & cf::NDI_VERBATIM;
2653		3141
2654	$color &= cf::NDI_CLIENT_MASK; # just in case...	3142	$color &= cf::NDI_CLIENT_MASK; # just in case...
2655		3143
2656	# check predefined channels, for the benefit of C	3144	# check predefined channels, for the benefit of C
2657	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	3145	if ($CHANNEL{$channel}) {
		3146	$channel = $CHANNEL{$channel};
2658		3147
		3148	$self->ext_msg (channel_info => $channel);
		3149	$channel = $channel->{id};
		3150
2659	if (ref $channel) {	3151	} elsif (ref $channel) {
2660	# send meta info to client, if not yet sent	3152	# send meta info to client, if not yet sent
2661	unless (exists $self->{channel}{$channel->{id}}) {	3153	unless (exists $self->{channel}{$channel->{id}}) {
2662	$self->{channel}{$channel->{id}} = $channel;	3154	$self->{channel}{$channel->{id}} = $channel;
2663	$self->ext_msg (channel_info => $channel)	3155	$self->ext_msg (channel_info => $channel);
2664	if $self->can_msg;
2665	}	3156	}
2666		3157
2667	$channel = $channel->{id};	3158	$channel = $channel->{id};
2668	}	3159	}
2669		3160
2670	return unless @extra || length $msg;	3161	return unless @extra || length $msg;
2671		3162
2672	if ($self->can_msg) {
2673	# default colour, mask it out	3163	# default colour, mask it out
2674	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3164	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2675	if $color & cf::NDI_DEF;	3165	if $color & cf::NDI_DEF;
2676		3166
2677	$self->send_packet ("msg " . $self->{json_coder}->encode (	3167	my $pkt = "msg "
		3168	. $self->{json_coder}->encode (
2678	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3169	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2679	} else {	3170	);
2680	if ($color >= 0) {
2681	# replace some tags by gcfclient-compatible ones
2682	for ($msg) {
2683	1 while
2684	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2685	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2686	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2687	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2688	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2689	}
2690		3171
2691	$color &= cf::NDI_COLOR_MASK;	3172	$self->send_big_packet ($pkt);
2692
2693	utf8::encode $msg;
2694
2695	if (0 && $msg =~ /\[/) {
2696	# COMMAND/INFO
2697	$self->send_packet ("drawextinfo $color 10 8 $msg")
2698	} else {
2699	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2700	$self->send_packet ("drawinfo $color $msg")
2701	}
2702	}
2703	}
2704	}	3173	}
2705		3174
2706	=item $client->ext_msg ($type, @msg)	3175	=item $client->ext_msg ($type, @msg)
2707		3176
2708	Sends an ext event to the client.	3177	Sends an ext event to the client.
…		…
2711		3180
2712	sub cf::client::ext_msg($$@) {	3181	sub cf::client::ext_msg($$@) {
2713	my ($self, $type, @msg) = @_;	3182	my ($self, $type, @msg) = @_;
2714		3183
2715	if ($self->extcmd == 2) {	3184	if ($self->extcmd == 2) {
2716	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3185	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2717	} elsif ($self->extcmd == 1) { # TODO: remove	3186	} elsif ($self->extcmd == 1) { # TODO: remove
2718	push @msg, msgtype => "event_$type";	3187	push @msg, msgtype => "event_$type";
2719	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3188	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2720	}	3189	}
2721	}	3190	}
2722		3191
2723	=item $client->ext_reply ($msgid, @msg)	3192	=item $client->ext_reply ($msgid, @msg)
2724		3193
…		…
2728		3197
2729	sub cf::client::ext_reply($$@) {	3198	sub cf::client::ext_reply($$@) {
2730	my ($self, $id, @msg) = @_;	3199	my ($self, $id, @msg) = @_;
2731		3200
2732	if ($self->extcmd == 2) {	3201	if ($self->extcmd == 2) {
2733	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3202	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2734	} elsif ($self->extcmd == 1) {	3203	} elsif ($self->extcmd == 1) {
2735	#TODO: version 1, remove	3204	#TODO: version 1, remove
2736	unshift @msg, msgtype => "reply", msgid => $id;	3205	unshift @msg, msgtype => "reply", msgid => $id;
2737	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3206	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2738	}	3207	}
2739	}	3208	}
2740		3209
2741	=item $success = $client->query ($flags, "text", \&cb)	3210	=item $success = $client->query ($flags, "text", \&cb)
2742		3211
…		…
2813		3282
2814	$ns->ext_reply ($reply, @reply)	3283	$ns->ext_reply ($reply, @reply)
2815	if $reply;	3284	if $reply;
2816		3285
2817	} else {	3286	} else {
2818	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3287	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2819	}	3288	}
2820		3289
2821	cf::override;	3290	cf::override;
2822	},	3291	},
2823	);	3292	);
…		…
2843		3312
2844	$coro	3313	$coro
2845	}	3314	}
2846		3315
2847	cf::client->attach (	3316	cf::client->attach (
2848	on_destroy => sub {	3317	on_client_destroy => sub {
2849	my ($ns) = @_;	3318	my ($ns) = @_;
2850		3319
2851	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3320	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2852	},	3321	},
2853	);	3322	);
…		…
2869	our $safe_hole = new Safe::Hole;	3338	our $safe_hole = new Safe::Hole;
2870		3339
2871	$SIG{FPE} = 'IGNORE';	3340	$SIG{FPE} = 'IGNORE';
2872		3341
2873	$safe->permit_only (Opcode::opset qw(	3342	$safe->permit_only (Opcode::opset qw(
2874	:base_core :base_mem :base_orig :base_math	3343	:base_core :base_mem :base_orig :base_math :base_loop
2875	grepstart grepwhile mapstart mapwhile	3344	grepstart grepwhile mapstart mapwhile
2876	sort time	3345	sort time
2877	));	3346	));
2878		3347
2879	# here we export the classes and methods available to script code	3348	# here we export the classes and methods available to script code
…		…
2881	=pod	3350	=pod
2882		3351
2883	The following functions and methods are available within a safe environment:	3352	The following functions and methods are available within a safe environment:
2884		3353
2885	cf::object	3354	cf::object
2886	contr pay_amount pay_player map x y force_find force_add	3355	contr pay_amount pay_player map x y force_find force_add destroy
2887	insert remove name archname title slaying race decrease_ob_nr	3356	insert remove name archname title slaying race decrease split
		3357	value
2888		3358
2889	cf::object::player	3359	cf::object::player
2890	player	3360	player
2891		3361
2892	cf::player	3362	cf::player
…		…
2897		3367
2898	=cut	3368	=cut
2899		3369
2900	for (	3370	for (
2901	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3371	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2902	insert remove inv name archname title slaying race	3372	insert remove inv nrof name archname title slaying race
2903	decrease_ob_nr)],	3373	decrease split destroy change_exp value msg lore send_msg)],
2904	["cf::object::player" => qw(player)],	3374	["cf::object::player" => qw(player)],
2905	["cf::player" => qw(peaceful)],	3375	["cf::player" => qw(peaceful send_msg)],
2906	["cf::map" => qw(trigger)],	3376	["cf::map" => qw(trigger)],
2907	) {	3377	) {
2908	no strict 'refs';
2909	my ($pkg, @funs) = @$_;	3378	my ($pkg, @funs) = @$_;
2910	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3379	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2911	for @funs;	3380	for @funs;
2912	}	3381	}
2913		3382
…		…
2928		3397
2929	my $qcode = $code;	3398	my $qcode = $code;
2930	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3399	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2931	$qcode =~ s/\n/\\n/g;	3400	$qcode =~ s/\n/\\n/g;
2932		3401
		3402	%vars = (_dummy => 0) unless %vars;
		3403
		3404	my @res;
2933	local $_;	3405	local $_;
2934	local @safe::cf::_safe_eval_args = values %vars;
2935		3406
2936	my $eval =	3407	my $eval =
2937	"do {\n"	3408	"do {\n"
2938	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3409	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2939	. "#line 0 \"{$qcode}\"\n"	3410	. "#line 0 \"{$qcode}\"\n"
2940	. $code	3411	. $code
2941	. "\n}"	3412	. "\n}"
2942	;	3413	;
2943		3414
		3415	if ($CFG{safe_eval}) {
2944	sub_generation_inc;	3416	sub_generation_inc;
		3417	local @safe::cf::_safe_eval_args = values %vars;
2945	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3418	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2946	sub_generation_inc;	3419	sub_generation_inc;
		3420	} else {
		3421	local @cf::_safe_eval_args = values %vars;
		3422	@res = wantarray ? eval eval : scalar eval $eval;
		3423	}
2947		3424
2948	if ($@) {	3425	if ($@) {
2949	warn "$@";	3426	warn "$@",
2950	warn "while executing safe code '$code'\n";	3427	"while executing safe code '$code'\n",
2951	warn "with arguments " . (join " ", %vars) . "\n";	3428	"with arguments " . (join " ", %vars) . "\n";
2952	}	3429	}
2953		3430
2954	wantarray ? @res : $res[0]	3431	wantarray ? @res : $res[0]
2955	}	3432	}
2956		3433
…		…
2970	=cut	3447	=cut
2971		3448
2972	sub register_script_function {	3449	sub register_script_function {
2973	my ($fun, $cb) = @_;	3450	my ($fun, $cb) = @_;
2974		3451
2975	no strict 'refs';	3452	$fun = "safe::$fun" if $CFG{safe_eval};
2976	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3453	*$fun = $safe_hole->wrap ($cb);
2977	}	3454	}
2978		3455
2979	=back	3456	=back
2980		3457
2981	=cut	3458	=cut
…		…
2990	# for this (global event?)	3467	# for this (global event?)
2991	%ext::player_env::MUSIC_FACE_CACHE = ();	3468	%ext::player_env::MUSIC_FACE_CACHE = ();
2992		3469
2993	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3470	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2994		3471
2995	warn "loading facedata from $path\n";	3472	trace "loading facedata from $path\n";
2996		3473
2997	my $facedata;	3474	my $facedata = decode_storable load_file $path;
2998	0 < aio_load $path, $facedata
2999	or die "$path: $!";
3000
3001	$facedata = Coro::Storable::thaw $facedata;
3002		3475
3003	$facedata->{version} == 2	3476	$facedata->{version} == 2
3004	or cf::cleanup "$path: version mismatch, cannot proceed.";	3477	or cf::cleanup "$path: version mismatch, cannot proceed.";
3005		3478
3006	# patch in the exptable	3479	# patch in the exptable
		3480	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3007	$facedata->{resource}{"res/exp_table"} = {	3481	$facedata->{resource}{"res/exp_table"} = {
3008	type => FT_RSRC,	3482	type => FT_RSRC,
3009	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3483	data => $exp_table,
		3484	hash => (Digest::MD5::md5 $exp_table),
3010	};	3485	};
3011	cf::cede_to_tick;	3486	cf::cede_to_tick;
3012		3487
3013	{	3488	{
3014	my $faces = $facedata->{faceinfo};	3489	my $faces = $facedata->{faceinfo};
3015		3490
3016	while (my ($face, $info) = each %$faces) {	3491	while (my ($face, $info) = each %$faces) {
3017	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3492	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3493
3018	cf::face::set_visibility $idx, $info->{visibility};	3494	cf::face::set_visibility $idx, $info->{visibility};
3019	cf::face::set_magicmap $idx, $info->{magicmap};	3495	cf::face::set_magicmap $idx, $info->{magicmap};
3020	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3496	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3021	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3497	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3498	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3022		3499
3023	cf::cede_to_tick;	3500	cf::cede_to_tick;
3024	}	3501	}
3025		3502
3026	while (my ($face, $info) = each %$faces) {	3503	while (my ($face, $info) = each %$faces) {
3027	next unless $info->{smooth};	3504	next unless $info->{smooth};
		3505
3028	my $idx = cf::face::find $face	3506	my $idx = cf::face::find $face
3029	or next;	3507	or next;
		3508
3030	if (my $smooth = cf::face::find $info->{smooth}) {	3509	if (my $smooth = cf::face::find $info->{smooth}) {
3031	cf::face::set_smooth $idx, $smooth;	3510	cf::face::set_smooth $idx, $smooth;
3032	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3511	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3033	} else {	3512	} else {
3034	warn "smooth face '$info->{smooth}' not found for face '$face'";	3513	error "smooth face '$info->{smooth}' not found for face '$face'";
3035	}	3514	}
3036		3515
3037	cf::cede_to_tick;	3516	cf::cede_to_tick;
3038	}	3517	}
3039	}	3518	}
…		…
3048		3527
3049	cf::anim::invalidate_all; # d'oh	3528	cf::anim::invalidate_all; # d'oh
3050	}	3529	}
3051		3530
3052	{	3531	{
3053	# TODO: for gcfclient pleasure, we should give resources
3054	# that gcfclient doesn't grok a >10000 face index.
3055	my $res = $facedata->{resource};	3532	my $res = $facedata->{resource};
3056		3533
3057	my $soundconf = delete $res->{"res/sound.conf"};
3058
3059	while (my ($name, $info) = each %$res) {	3534	while (my ($name, $info) = each %$res) {
		3535	if (defined $info->{type}) {
3060	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3536	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3061	my $data;
3062		3537
3063	if ($info->{type} & 1) {	3538	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3064	# prepend meta info	3539	cf::face::set_type $idx, $info->{type};
3065
3066	my $meta = $enc->encode ({
3067	name => $name,
3068	%{ $info->{meta} || {} },
3069	});
3070
3071	$data = pack "(w/a*)*", $meta, $info->{data};
3072	} else {	3540	} else {
3073	$data = $info->{data};	3541	$RESOURCE{$name} = $info; # unused
3074	}	3542	}
3075		3543
3076	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3077	cf::face::set_type $idx, $info->{type};
3078
3079	cf::cede_to_tick;	3544	cf::cede_to_tick;
3080	}	3545	}
3081
3082	if ($soundconf) {
3083	$soundconf = $enc->decode (delete $soundconf->{data});
3084
3085	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3086	my $sound = $soundconf->{compat}[$_]
3087	or next;
3088
3089	my $face = cf::face::find "sound/$sound->[1]";
3090	cf::sound::set $sound->[0] => $face;
3091	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3092	}
3093
3094	while (my ($k, $v) = each %{$soundconf->{event}}) {
3095	my $face = cf::face::find "sound/$v";
3096	cf::sound::set $k => $face;
3097	}
3098	}
3099	}	3546	}
		3547
		3548	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3100		3549
3101	1	3550	1
3102	}	3551	}
3103		3552
3104	register_exticmd fx_want => sub {	3553	register_exticmd fx_want => sub {
…		…
3106		3555
3107	while (my ($k, $v) = each %$want) {	3556	while (my ($k, $v) = each %$want) {
3108	$ns->fx_want ($k, $v);	3557	$ns->fx_want ($k, $v);
3109	}	3558	}
3110	};	3559	};
		3560
		3561	sub load_resource_file($) {
		3562	my $guard = lock_acquire "load_resource_file";
		3563
		3564	my $status = load_resource_file_ $_[0];
		3565	get_slot 0.1, 100;
		3566	cf::arch::commit_load;
		3567
		3568	$status
		3569	}
3111		3570
3112	sub reload_regions {	3571	sub reload_regions {
3113	# HACK to clear player env face cache, we need some signal framework	3572	# HACK to clear player env face cache, we need some signal framework
3114	# for this (global event?)	3573	# for this (global event?)
3115	%ext::player_env::MUSIC_FACE_CACHE = ();	3574	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3129	}	3588	}
3130		3589
3131	sub reload_archetypes {	3590	sub reload_archetypes {
3132	load_resource_file "$DATADIR/archetypes"	3591	load_resource_file "$DATADIR/archetypes"
3133	or die "unable to load archetypes\n";	3592	or die "unable to load archetypes\n";
3134	#d# NEED to laod twice to resolve forward references
3135	# this really needs to be done in an extra post-pass
3136	# (which needs to be synchronous, so solve it differently)
3137	load_resource_file "$DATADIR/archetypes"
3138	or die "unable to load archetypes\n";
3139	}	3593	}
3140		3594
3141	sub reload_treasures {	3595	sub reload_treasures {
3142	load_resource_file "$DATADIR/treasures"	3596	load_resource_file "$DATADIR/treasures"
3143	or die "unable to load treasurelists\n";	3597	or die "unable to load treasurelists\n";
3144	}	3598	}
3145		3599
		3600	sub reload_sound {
		3601	trace "loading sound config from $DATADIR/sound\n";
		3602
		3603	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3604
		3605	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3606	my $sound = $soundconf->{compat}[$_]
		3607	or next;
		3608
		3609	my $face = cf::face::find "sound/$sound->[1]";
		3610	cf::sound::set $sound->[0] => $face;
		3611	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3612	}
		3613
		3614	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3615	my $face = cf::face::find "sound/$v";
		3616	cf::sound::set $k => $face;
		3617	}
		3618	}
		3619
3146	sub reload_resources {	3620	sub reload_resources {
3147	warn "reloading resource files...\n";	3621	trace "reloading resource files...\n";
3148		3622
		3623	reload_exp_table;
		3624	reload_materials;
		3625	reload_facedata;
		3626	reload_sound;
		3627	reload_archetypes;
3149	reload_regions;	3628	reload_regions;
3150	reload_facedata;
3151	#reload_archetypes;#d#
3152	reload_archetypes;
3153	reload_treasures;	3629	reload_treasures;
3154		3630
3155	warn "finished reloading resource files\n";	3631	trace "finished reloading resource files\n";
3156	}
3157
3158	sub init {
3159	reload_resources;
3160	}	3632	}
3161		3633
3162	sub reload_config {	3634	sub reload_config {
3163	open my $fh, "<:utf8", "$CONFDIR/config"	3635	trace "reloading config file...\n";
3164	or return;
3165		3636
3166	local $/;	3637	my $config = load_file "$CONFDIR/config";
3167	*CFG = YAML::Syck::Load <$fh>;	3638	utf8::decode $config;
		3639	*CFG = decode_yaml $config;
3168		3640
3169	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3641	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3170		3642
3171	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3643	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3172	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3644	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3173		3645
3174	if (exists $CFG{mlockall}) {	3646	if (exists $CFG{mlockall}) {
…		…
3178	};	3650	};
3179	warn $@ if $@;	3651	warn $@ if $@;
3180	}	3652	}
3181	}	3653	}
3182		3654
		3655	sub pidfile() {
		3656	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3657	or die "$PIDFILE: $!";
		3658	flock $fh, &Fcntl::LOCK_EX
		3659	or die "$PIDFILE: flock: $!";
		3660	$fh
		3661	}
		3662
		3663	# make sure only one server instance is running at any one time
		3664	sub atomic {
		3665	my $fh = pidfile;
		3666
		3667	my $pid = <$fh>;
		3668	kill 9, $pid if $pid > 0;
		3669
		3670	seek $fh, 0, 0;
		3671	print $fh $$;
		3672	}
		3673
		3674	sub main_loop {
		3675	trace "EV::loop starting\n";
		3676	if (1) {
		3677	EV::loop;
		3678	}
		3679	trace "EV::loop returned\n";
		3680	goto &main_loop unless $REALLY_UNLOOP;
		3681	}
		3682
3183	sub main {	3683	sub main {
		3684	cf::init_globals; # initialise logging
		3685
		3686	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3687	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3688	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3689	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3690
		3691	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3692
3184	# we must not ever block the main coroutine	3693	# we must not ever block the main coroutine
3185	local $Coro::idle = sub {	3694	local $Coro::idle = sub {
3186	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3695	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3187	(async {	3696	(async {
3188	Event::one_event;	3697	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3698	EV::loop EV::LOOP_ONESHOT;
3189	})->prio (Coro::PRIO_MAX);	3699	})->prio (Coro::PRIO_MAX);
3190	};	3700	};
3191		3701
		3702	evthread_start IO::AIO::poll_fileno;
		3703
		3704	cf::sync_job {
		3705	cf::incloader::init ();
		3706
		3707	cf::init_anim;
		3708	cf::init_attackmess;
		3709	cf::init_dynamic;
		3710
		3711	cf::load_settings;
		3712
		3713	reload_resources;
3192	reload_config;	3714	reload_config;
3193	db_init;	3715	db_init;
		3716
		3717	cf::init_uuid;
		3718	cf::init_signals;
		3719	cf::init_skills;
		3720
		3721	cf::init_beforeplay;
		3722
		3723	atomic;
		3724
3194	load_extensions;	3725	load_extensions;
3195		3726
3196	$TICK_WATCHER->start;	3727	utime time, time, $RUNTIMEFILE;
3197	Event::loop;	3728
		3729	# no (long-running) fork's whatsoever before this point(!)
		3730	use POSIX ();
		3731	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3732
		3733	cf::_post_init 0;
		3734	};
		3735
		3736	cf::object::thawer::errors_are_fatal 0;
		3737	info "parse errors in files are no longer fatal from this point on.\n";
		3738
		3739	my $free_main; $free_main = EV::idle sub {
		3740	undef $free_main;
		3741	undef &main; # free gobs of memory :)
		3742	};
		3743
		3744	goto &main_loop;
3198	}	3745	}
3199		3746
3200	#############################################################################	3747	#############################################################################
3201	# initialisation and cleanup	3748	# initialisation and cleanup
3202		3749
3203	# install some emergency cleanup handlers	3750	# install some emergency cleanup handlers
3204	BEGIN {	3751	BEGIN {
		3752	our %SIGWATCHER = ();
3205	for my $signal (qw(INT HUP TERM)) {	3753	for my $signal (qw(INT HUP TERM)) {
3206	Event->signal (	3754	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3207	reentrant => 0,
3208	data => WF_AUTOCANCEL,
3209	signal => $signal,
3210	prio => 0,
3211	cb => sub {
3212	cf::cleanup "SIG$signal";	3755	cf::cleanup "SIG$signal";
3213	},
3214	);	3756	};
3215	}	3757	}
3216	}	3758	}
3217		3759
3218	sub write_runtime {	3760	sub write_runtime_sync {
3219	my $runtime = "$LOCALDIR/runtime";	3761	my $t0 = AE::time;
3220		3762
3221	# first touch the runtime file to show we are still running:	3763	# first touch the runtime file to show we are still running:
3222	# the fsync below can take a very very long time.	3764	# the fsync below can take a very very long time.
3223		3765
3224	IO::AIO::aio_utime $runtime, undef, undef;	3766	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3225		3767
3226	my $guard = cf::lock_acquire "write_runtime";	3768	my $guard = cf::lock_acquire "write_runtime";
3227		3769
3228	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3770	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3229	or return;	3771	or return;
3230		3772
3231	my $value = $cf::RUNTIME + 90 + 10;	3773	my $value = $cf::RUNTIME + 90 + 10;
3232	# 10 is the runtime save interval, for a monotonic clock	3774	# 10 is the runtime save interval, for a monotonic clock
3233	# 60 allows for the watchdog to kill the server.	3775	# 60 allows for the watchdog to kill the server.
…		…
3243	aio_utime $fh, undef, undef;	3785	aio_utime $fh, undef, undef;
3244		3786
3245	close $fh	3787	close $fh
3246	or return;	3788	or return;
3247		3789
3248	aio_rename "$runtime~", $runtime	3790	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3249	and return;	3791	and return;
3250		3792
3251	warn "runtime file written.\n";	3793	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3252		3794
3253	1	3795	1
		3796	}
		3797
		3798	our $uuid_lock;
		3799	our $uuid_skip;
		3800
		3801	sub write_uuid_sync($) {
		3802	$uuid_skip ||= $_[0];
		3803
		3804	return if $uuid_lock;
		3805	local $uuid_lock = 1;
		3806
		3807	my $uuid = "$LOCALDIR/uuid";
		3808
		3809	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3810	or return;
		3811
		3812	my $value = uuid_seq uuid_cur;
		3813
		3814	unless ($value) {
		3815	info "cowardly refusing to write zero uuid value!\n";
		3816	return;
		3817	}
		3818
		3819	my $value = uuid_str $value + $uuid_skip;
		3820	$uuid_skip = 0;
		3821
		3822	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3823	and return;
		3824
		3825	# always fsync - this file is important
		3826	aio_fsync $fh
		3827	and return;
		3828
		3829	close $fh
		3830	or return;
		3831
		3832	aio_rename "$uuid~", $uuid
		3833	and return;
		3834
		3835	trace "uuid file written ($value).\n";
		3836
		3837	1
		3838
		3839	}
		3840
		3841	sub write_uuid($$) {
		3842	my ($skip, $sync) = @_;
		3843
		3844	$sync ? write_uuid_sync $skip
		3845	: async { write_uuid_sync $skip };
3254	}	3846	}
3255		3847
3256	sub emergency_save() {	3848	sub emergency_save() {
3257	my $freeze_guard = cf::freeze_mainloop;	3849	my $freeze_guard = cf::freeze_mainloop;
3258		3850
3259	warn "enter emergency perl save\n";	3851	info "emergency_perl_save: enter\n";
		3852
		3853	# this is a trade-off: we want to be very quick here, so
		3854	# save all maps without fsync, and later call a global sync
		3855	# (which in turn might be very very slow)
		3856	local $USE_FSYNC = 0;
3260		3857
3261	cf::sync_job {	3858	cf::sync_job {
		3859	cf::write_runtime_sync; # external watchdog should not bark
		3860
3262	# use a peculiar iteration method to avoid tripping on perl	3861	# use a peculiar iteration method to avoid tripping on perl
3263	# refcount bugs in for. also avoids problems with players	3862	# refcount bugs in for. also avoids problems with players
3264	# and maps saved/destroyed asynchronously.	3863	# and maps saved/destroyed asynchronously.
3265	warn "begin emergency player save\n";	3864	info "emergency_perl_save: begin player save\n";
3266	for my $login (keys %cf::PLAYER) {	3865	for my $login (keys %cf::PLAYER) {
3267	my $pl = $cf::PLAYER{$login} or next;	3866	my $pl = $cf::PLAYER{$login} or next;
3268	$pl->valid or next;	3867	$pl->valid or next;
		3868	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3269	$pl->save;	3869	$pl->save;
3270	}	3870	}
3271	warn "end emergency player save\n";	3871	info "emergency_perl_save: end player save\n";
3272		3872
3273	warn "begin emergency map save\n";	3873	cf::write_runtime_sync; # external watchdog should not bark
		3874
		3875	info "emergency_perl_save: begin map save\n";
3274	for my $path (keys %cf::MAP) {	3876	for my $path (keys %cf::MAP) {
3275	my $map = $cf::MAP{$path} or next;	3877	my $map = $cf::MAP{$path} or next;
3276	$map->valid or next;	3878	$map->valid or next;
3277	$map->save;	3879	$map->save;
3278	}	3880	}
3279	warn "end emergency map save\n";	3881	info "emergency_perl_save: end map save\n";
3280		3882
3281	warn "begin emergency database checkpoint\n";	3883	cf::write_runtime_sync; # external watchdog should not bark
		3884
		3885	info "emergency_perl_save: begin database checkpoint\n";
3282	BDB::db_env_txn_checkpoint $DB_ENV;	3886	BDB::db_env_txn_checkpoint $DB_ENV;
3283	warn "end emergency database checkpoint\n";	3887	info "emergency_perl_save: end database checkpoint\n";
		3888
		3889	info "emergency_perl_save: begin write uuid\n";
		3890	write_uuid_sync 1;
		3891	info "emergency_perl_save: end write uuid\n";
		3892
		3893	cf::write_runtime_sync; # external watchdog should not bark
		3894
		3895	trace "emergency_perl_save: syncing database to disk";
		3896	BDB::db_env_txn_checkpoint $DB_ENV;
		3897
		3898	info "emergency_perl_save: starting sync\n";
		3899	IO::AIO::aio_sync sub {
		3900	info "emergency_perl_save: finished sync\n";
		3901	};
		3902
		3903	cf::write_runtime_sync; # external watchdog should not bark
		3904
		3905	trace "emergency_perl_save: flushing outstanding aio requests";
		3906	while (IO::AIO::nreqs || BDB::nreqs) {
		3907	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3908	}
		3909
		3910	cf::write_runtime_sync; # external watchdog should not bark
3284	};	3911	};
3285		3912
3286	warn "leave emergency perl save\n";	3913	info "emergency_perl_save: leave\n";
3287	}	3914	}
3288		3915
3289	sub post_cleanup {	3916	sub post_cleanup {
3290	my ($make_core) = @_;	3917	my ($make_core) = @_;
3291		3918
		3919	IO::AIO::flush;
		3920
3292	warn Carp::longmess "post_cleanup backtrace"	3921	error Carp::longmess "post_cleanup backtrace"
3293	if $make_core;	3922	if $make_core;
		3923
		3924	my $fh = pidfile;
		3925	unlink $PIDFILE if <$fh> == $$;
		3926	}
		3927
		3928	# a safer delete_package, copied from Symbol
		3929	sub clear_package($) {
		3930	my $pkg = shift;
		3931
		3932	# expand to full symbol table name if needed
		3933	unless ($pkg =~ /^main::.*::$/) {
		3934	$pkg = "main$pkg" if $pkg =~ /^::/;
		3935	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3936	$pkg .= '::' unless $pkg =~ /::$/;
		3937	}
		3938
		3939	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3940	my $stem_symtab = *{$stem}{HASH};
		3941
		3942	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3943	or return;
		3944
		3945	# clear all symbols
		3946	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3947	for my $name (keys %$leaf_symtab) {
		3948	_gv_clear *{"$pkg$name"};
		3949	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3950	}
3294	}	3951	}
3295		3952
3296	sub do_reload_perl() {	3953	sub do_reload_perl() {
3297	# can/must only be called in main	3954	# can/must only be called in main
3298	if ($Coro::current != $Coro::main) {	3955	unless (in_main) {
3299	warn "can only reload from main coroutine";	3956	error "can only reload from main coroutine";
3300	return;	3957	return;
3301	}	3958	}
3302		3959
3303	warn "reloading...";	3960	return if $RELOAD++;
3304		3961
3305	warn "entering sync_job";	3962	my $t1 = AE::time;
3306		3963
		3964	while ($RELOAD) {
		3965	cf::get_slot 0.1, -1, "reload_perl";
		3966	info "perl_reload: reloading...";
		3967
		3968	trace "perl_reload: entering sync_job";
		3969
3307	cf::sync_job {	3970	cf::sync_job {
3308	cf::write_runtime; # external watchdog should not bark
3309	cf::emergency_save;	3971	#cf::emergency_save;
3310	cf::write_runtime; # external watchdog should not bark
3311		3972
3312	warn "syncing database to disk";
3313	BDB::db_env_txn_checkpoint $DB_ENV;
3314
3315	# if anything goes wrong in here, we should simply crash as we already saved
3316
3317	warn "cancelling all WF_AUTOCANCEL watchers";
3318	for (Event::all_watchers) {
3319	$_->cancel if $_->data & WF_AUTOCANCEL;
3320	}
3321
3322	warn "flushing outstanding aio requests";
3323	for (;;) {
3324	BDB::flush;
3325	IO::AIO::flush;
3326	Coro::cede;
3327	last unless IO::AIO::nreqs || BDB::nreqs;
3328	warn "iterate...";
3329	}
3330
3331	++$RELOAD;
3332
3333	warn "cancelling all extension coros";	3973	trace "perl_reload: cancelling all extension coros";
3334	$_->cancel for values %EXT_CORO;	3974	$_->cancel for values %EXT_CORO;
3335	%EXT_CORO = ();	3975	%EXT_CORO = ();
3336		3976
3337	warn "removing commands";	3977	trace "perl_reload: removing commands";
3338	%COMMAND = ();	3978	%COMMAND = ();
3339		3979
3340	warn "removing ext/exti commands";	3980	trace "perl_reload: removing ext/exti commands";
3341	%EXTCMD = ();	3981	%EXTCMD = ();
3342	%EXTICMD = ();	3982	%EXTICMD = ();
3343		3983
3344	warn "unloading/nuking all extensions";	3984	trace "perl_reload: unloading/nuking all extensions";
3345	for my $pkg (@EXTS) {	3985	for my $pkg (@EXTS) {
3346	warn "... unloading $pkg";	3986	trace "... unloading $pkg";
3347		3987
3348	if (my $cb = $pkg->can ("unload")) {	3988	if (my $cb = $pkg->can ("unload")) {
3349	eval {	3989	eval {
3350	$cb->($pkg);	3990	$cb->($pkg);
3351	1	3991	1
3352	} or warn "$pkg unloaded, but with errors: $@";	3992	} or error "$pkg unloaded, but with errors: $@";
		3993	}
		3994
		3995	trace "... clearing $pkg";
		3996	clear_package $pkg;
3353	}	3997	}
3354		3998
3355	warn "... nuking $pkg";
3356	Symbol::delete_package $pkg;
3357	}
3358
3359	warn "unloading all perl modules loaded from $LIBDIR";	3999	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3360	while (my ($k, $v) = each %INC) {	4000	while (my ($k, $v) = each %INC) {
3361	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4001	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3362		4002
3363	warn "... unloading $k";	4003	trace "... unloading $k";
3364	delete $INC{$k};	4004	delete $INC{$k};
3365		4005
3366	$k =~ s/\.pm$//;	4006	$k =~ s/\.pm$//;
3367	$k =~ s/\//::/g;	4007	$k =~ s/\//::/g;
3368		4008
3369	if (my $cb = $k->can ("unload_module")) {	4009	if (my $cb = $k->can ("unload_module")) {
3370	$cb->();	4010	$cb->();
		4011	}
		4012
		4013	clear_package $k;
3371	}	4014	}
3372		4015
3373	Symbol::delete_package $k;
3374	}
3375
3376	warn "getting rid of safe::, as good as possible";	4016	trace "perl_reload: getting rid of safe::, as good as possible";
3377	Symbol::delete_package "safe::$_"	4017	clear_package "safe::$_"
3378	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4018	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3379		4019
3380	warn "unloading cf.pm \"a bit\"";	4020	trace "perl_reload: unloading cf.pm \"a bit\"";
3381	delete $INC{"cf.pm"};	4021	delete $INC{"cf.pm"};
3382	delete $INC{"cf/pod.pm"};	4022	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3383		4023
3384	# don't, removes xs symbols, too,	4024	# don't, removes xs symbols, too,
3385	# and global variables created in xs	4025	# and global variables created in xs
3386	#Symbol::delete_package __PACKAGE__;	4026	#clear_package __PACKAGE__;
3387		4027
3388	warn "unload completed, starting to reload now";	4028	info "perl_reload: unload completed, starting to reload now";
3389		4029
3390	warn "reloading cf.pm";	4030	trace "perl_reload: reloading cf.pm";
3391	require cf;	4031	require cf;
3392	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4032	cf::_connect_to_perl_1;
3393		4033
3394	warn "loading config and database again";	4034	trace "perl_reload: loading config and database again";
3395	cf::reload_config;	4035	cf::reload_config;
3396		4036
3397	warn "loading extensions";	4037	trace "perl_reload: loading extensions";
3398	cf::load_extensions;	4038	cf::load_extensions;
3399		4039
		4040	if ($REATTACH_ON_RELOAD) {
3400	warn "reattaching attachments to objects/players";	4041	trace "perl_reload: reattaching attachments to objects/players";
3401	_global_reattach; # objects, sockets	4042	_global_reattach; # objects, sockets
3402	warn "reattaching attachments to maps";	4043	trace "perl_reload: reattaching attachments to maps";
3403	reattach $_ for values %MAP;	4044	reattach $_ for values %MAP;
3404	warn "reattaching attachments to players";	4045	trace "perl_reload: reattaching attachments to players";
3405	reattach $_ for values %PLAYER;	4046	reattach $_ for values %PLAYER;
		4047	}
3406		4048
3407	warn "leaving sync_job";	4049	cf::_post_init 1;
3408		4050
		4051	trace "perl_reload: leaving sync_job";
		4052
3409	1	4053	1
3410	} or do {	4054	} or do {
3411	warn $@;	4055	error $@;
3412	warn "error while reloading, exiting.";	4056	cf::cleanup "perl_reload: error, exiting.";
3413	exit 1;	4057	};
		4058
		4059	--$RELOAD;
3414	};	4060	}
3415		4061
3416	warn "reloaded";	4062	$t1 = AE::time - $t1;
		4063	info "perl_reload: completed in ${t1}s\n";
3417	};	4064	};
3418		4065
3419	our $RELOAD_WATCHER; # used only during reload	4066	our $RELOAD_WATCHER; # used only during reload
3420		4067
3421	sub reload_perl() {	4068	sub reload_perl() {
3422	# doing reload synchronously and two reloads happen back-to-back,	4069	# doing reload synchronously and two reloads happen back-to-back,
3423	# coro crashes during coro_state_free->destroy here.	4070	# coro crashes during coro_state_free->destroy here.
3424		4071
3425	$RELOAD_WATCHER ||= Event->timer (	4072	$RELOAD_WATCHER ||= cf::async {
3426	reentrant => 0,	4073	Coro::AIO::aio_wait cache_extensions;
3427	after => 0,	4074
3428	data => WF_AUTOCANCEL,	4075	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3429	cb => sub {
3430	do_reload_perl;	4076	do_reload_perl;
3431	undef $RELOAD_WATCHER;	4077	undef $RELOAD_WATCHER;
3432	},	4078	};
3433	);	4079	};
3434	}	4080	}
3435		4081
3436	register_command "reload" => sub {	4082	register_command "reload" => sub {
3437	my ($who, $arg) = @_;	4083	my ($who, $arg) = @_;
3438		4084
3439	if ($who->flag (FLAG_WIZ)) {	4085	if ($who->flag (FLAG_WIZ)) {
3440	$who->message ("reloading server.");	4086	$who->message ("reloading server.");
		4087	async {
		4088	$Coro::current->{desc} = "perl_reload";
3441	async { reload_perl };	4089	reload_perl;
		4090	};
3442	}	4091	}
3443	};	4092	};
3444		4093
3445	unshift @INC, $LIBDIR;	4094	#############################################################################
3446		4095
3447	my $bug_warning = 0;	4096	my $bug_warning = 0;
3448		4097
3449	our @WAIT_FOR_TICK;	4098	our @WAIT_FOR_TICK;
3450	our @WAIT_FOR_TICK_BEGIN;	4099	our @WAIT_FOR_TICK_BEGIN;
3451		4100
3452	sub wait_for_tick {	4101	sub wait_for_tick() {
3453	return unless $TICK_WATCHER->is_active;
3454	return if $Coro::current == $Coro::main;	4102	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3455		4103
3456	my $signal = new Coro::Signal;	4104	my $signal = new Coro::Signal;
3457	push @WAIT_FOR_TICK, $signal;	4105	push @WAIT_FOR_TICK, $signal;
3458	$signal->wait;	4106	$signal->wait;
3459	}	4107	}
3460		4108
3461	sub wait_for_tick_begin {	4109	sub wait_for_tick_begin() {
3462	return unless $TICK_WATCHER->is_active;
3463	return if $Coro::current == $Coro::main;	4110	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3464		4111
3465	my $signal = new Coro::Signal;	4112	my $signal = new Coro::Signal;
3466	push @WAIT_FOR_TICK_BEGIN, $signal;	4113	push @WAIT_FOR_TICK_BEGIN, $signal;
3467	$signal->wait;	4114	$signal->wait;
3468	}	4115	}
3469		4116
3470	$TICK_WATCHER = Event->timer (	4117	sub tick {
3471	reentrant => 0,
3472	parked => 1,
3473	prio => 0,
3474	at => $NEXT_TICK || $TICK,
3475	data => WF_AUTOCANCEL,
3476	cb => sub {
3477	if ($Coro::current != $Coro::main) {	4118	if ($Coro::current != $Coro::main) {
3478	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4119	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3479	unless ++$bug_warning > 10;	4120	unless ++$bug_warning > 10;
3480	return;	4121	return;
3481	}	4122	}
3482		4123
3483	$NOW = $tick_start = Event::time;
3484
3485	cf::server_tick; # one server iteration	4124	cf::server_tick; # one server iteration
3486		4125
3487	$RUNTIME += $TICK;	4126	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3488	$NEXT_TICK += $TICK;
3489		4127
3490	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4128	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3491	$NEXT_RUNTIME_WRITE = $NOW + 10;	4129	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3492	Coro::async_pool {	4130	Coro::async_pool {
		4131	$Coro::current->{desc} = "runtime saver";
3493	write_runtime	4132	write_runtime_sync
3494	or warn "ERROR: unable to write runtime file: $!";	4133	or error "ERROR: unable to write runtime file: $!";
3495	};
3496	}	4134	};
		4135	}
3497		4136
3498	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4137	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3499	$sig->send;	4138	$sig->send;
3500	}	4139	}
3501	while (my $sig = shift @WAIT_FOR_TICK) {	4140	while (my $sig = shift @WAIT_FOR_TICK) {
3502	$sig->send;	4141	$sig->send;
3503	}	4142	}
3504		4143
3505	$NOW = Event::time;	4144	$LOAD = ($NOW - $TICK_START) / $TICK;
3506
3507	# if we are delayed by four ticks or more, skip them all
3508	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3509
3510	$TICK_WATCHER->at ($NEXT_TICK);
3511	$TICK_WATCHER->start;
3512
3513	$LOAD = ($NOW - $tick_start) / $TICK;
3514	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4145	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3515		4146
3516	_post_tick;	4147	if (0) {
		4148	if ($NEXT_TICK) {
		4149	my $jitter = $TICK_START - $NEXT_TICK;
		4150	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4151	debug "jitter $JITTER\n";#d#
		4152	}
3517	},	4153	}
3518	);	4154	}
3519		4155
3520	{	4156	{
		4157	# configure BDB
		4158
3521	BDB::min_parallel 8;	4159	BDB::min_parallel 16;
3522	BDB::max_poll_time $TICK * 0.1;	4160	BDB::max_poll_reqs $TICK * 0.1;
3523	$BDB_POLL_WATCHER = Event->io (	4161	$AnyEvent::BDB::WATCHER->priority (1);
3524	reentrant => 0,
3525	fd => BDB::poll_fileno,
3526	poll => 'r',
3527	prio => 0,
3528	data => WF_AUTOCANCEL,
3529	cb => \&BDB::poll_cb,
3530	);
3531
3532	BDB::set_sync_prepare {
3533	my $status;
3534	my $current = $Coro::current;
3535	(
3536	sub {
3537	$status = $!;
3538	$current->ready; undef $current;
3539	},
3540	sub {
3541	Coro::schedule while defined $current;
3542	$! = $status;
3543	},
3544	)
3545	};
3546		4162
3547	unless ($DB_ENV) {	4163	unless ($DB_ENV) {
3548	$DB_ENV = BDB::db_env_create;	4164	$DB_ENV = BDB::db_env_create;
3549	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4165	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3550	| BDB::LOG_AUTOREMOVE, 1);	4166	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4167	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3551	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4168	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3552	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4169	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3553		4170
3554	cf::sync_job {	4171	cf::sync_job {
3555	eval {	4172	eval {
…		…
3565		4182
3566	cf::cleanup "db_env_open(db): $@" if $@;	4183	cf::cleanup "db_env_open(db): $@" if $@;
3567	};	4184	};
3568	}	4185	}
3569		4186
3570	$BDB_DEADLOCK_WATCHER = Event->timer (	4187	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3571	after => 3,
3572	interval => 1,
3573	hard => 1,
3574	prio => 0,
3575	data => WF_AUTOCANCEL,
3576	cb => sub {
3577	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	4188	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3578	},
3579	);	4189	};
3580	$BDB_CHECKPOINT_WATCHER = Event->timer (	4190	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3581	after => 11,
3582	interval => 60,
3583	hard => 1,
3584	prio => 0,
3585	data => WF_AUTOCANCEL,
3586	cb => sub {
3587	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4191	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3588	},
3589	);	4192	};
3590	$BDB_TRICKLE_WATCHER = Event->timer (	4193	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3591	after => 5,
3592	interval => 10,
3593	hard => 1,
3594	prio => 0,
3595	data => WF_AUTOCANCEL,
3596	cb => sub {
3597	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4194	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3598	},
3599	);	4195	};
3600	}	4196	}
3601		4197
3602	{	4198	{
		4199	# configure IO::AIO
		4200
3603	IO::AIO::min_parallel 8;	4201	IO::AIO::min_parallel 8;
3604
3605	undef $Coro::AIO::WATCHER;
3606	IO::AIO::max_poll_time $TICK * 0.1;	4202	IO::AIO::max_poll_time $TICK * 0.1;
3607	$AIO_POLL_WATCHER = Event->io (	4203	undef $AnyEvent::AIO::WATCHER;
3608	reentrant => 0,
3609	data => WF_AUTOCANCEL,
3610	fd => IO::AIO::poll_fileno,
3611	poll => 'r',
3612	prio => 6,
3613	cb => \&IO::AIO::poll_cb,
3614	);
3615	}	4204	}
3616		4205
3617	my $_log_backtrace;	4206	our $_log_backtrace;
		4207	our $_log_backtrace_last;
3618		4208
3619	sub _log_backtrace {	4209	sub _log_backtrace {
3620	my ($msg, @addr) = @_;	4210	my ($msg, @addr) = @_;
3621		4211
3622	$msg =~ s/\n//;	4212	$msg =~ s/\n$//;
3623		4213
		4214	if ($_log_backtrace_last eq $msg) {
		4215	LOG llevInfo, "[ABT] $msg\n";
		4216	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3624	# limit the # of concurrent backtraces	4217	# limit the # of concurrent backtraces
3625	if ($_log_backtrace < 2) {	4218	} elsif ($_log_backtrace < 2) {
		4219	$_log_backtrace_last = $msg;
3626	++$_log_backtrace;	4220	++$_log_backtrace;
		4221	my $perl_bt = Carp::longmess $msg;
3627	async {	4222	async {
		4223	$Coro::current->{desc} = "abt $msg";
		4224
3628	my @bt = fork_call {	4225	my @bt = fork_call {
3629	@addr = map { sprintf "%x", $_ } @addr;	4226	@addr = map { sprintf "%x", $_ } @addr;
3630	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4227	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3631	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4228	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3632	or die "addr2line: $!";	4229	or die "addr2line: $!";
…		…
3640	}	4237	}
3641		4238
3642	@funcs	4239	@funcs
3643	};	4240	};
3644		4241
3645	LOG llevInfo, "[ABT] $msg\n";	4242	LOG llevInfo, "[ABT] $perl_bt\n";
		4243	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3646	LOG llevInfo, "[ABT] $_\n" for @bt;	4244	LOG llevInfo, "[ABT] $_\n" for @bt;
3647	--$_log_backtrace;	4245	--$_log_backtrace;
3648	};	4246	};
3649	} else {	4247	} else {
3650	LOG llevInfo, "[ABT] $msg\n";	4248	LOG llevInfo, "[ABT] $msg\n";
3651	LOG llevInfo, "[ABT] [suppressed]\n";	4249	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3652	}	4250	}
3653	}	4251	}
3654		4252
3655	# load additional modules	4253	# load additional modules
3656	use cf::pod;	4254	require "cf/$_.pm" for @EXTRA_MODULES;
		4255	cf::_connect_to_perl_2;
3657		4256
3658	END { cf::emergency_save }	4257	END { cf::emergency_save }
3659		4258
3660	1	4259	1
3661		4260

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