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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.337 by root, Tue Aug 21 00:54:01 2007 UTC vs.
Revision 1.561 by root, Fri Apr 22 06:10:33 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.64 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	56	use Fcntl;
31	use YAML::Syck ();	57	use YAML::XS ();
32	use IO::AIO 2.32 ();	58	use IO::AIO ();
33	use Time::HiRes;	59	use Time::HiRes;
34	use Compress::LZF;	60	use Compress::LZF;
35	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
36		64
37	# configure various modules to our taste	65	# configure various modules to our taste
38	#	66	#
39	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		75
43	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
44		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		78
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
54		85
55	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
65	our $DATADIR = datadir;	99	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
69	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
75		120
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	123	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
84	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
86		132
87	our %CFG;	133	our %CFG;
88		134
89	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
91		138
92	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
93	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
95		142
96	# used to convert map paths into valid unix filenames by replacing / by ∕	143	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		145
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	146	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	149	our $TICK_START; # for load detecting purposes
		150
		151	our @POST_INIT;
		152
		153	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		154	our $REALLY_UNLOOP; # never set to true, please :)
102		155
103	binmode STDOUT;	156	binmode STDOUT;
104	binmode STDERR;	157	binmode STDERR;
105		158
106	# read virtual server time, if available	159	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	161	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
111	}	164	}
		165
		166	eval "sub TICK() { $TICK } 1" or die;
112		167
113	mkdir $_	168	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		170
116	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
117		172
118	sub cf::map::normalise;	173	sub cf::map::normalise;
		174
		175	sub in_main() {
		176	$Coro::current == $Coro::main
		177	}
		178
		179	#############################################################################
		180
		181	%REFLECT = ();
		182	for (@REFLECT) {
		183	my $reflect = JSON::XS::decode_json $_;
		184	$REFLECT{$reflect->{class}} = $reflect;
		185	}
		186
		187	# this is decidedly evil
		188	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
119		189
120	#############################################################################	190	#############################################################################
121		191
122	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
123		193
…		…
159		229
160	The raw value load value from the last tick.	230	The raw value load value from the last tick.
161		231
162	=item %cf::CFG	232	=item %cf::CFG
163		233
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	235	from wherever your confdir points to.
166		236
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		238
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	239	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
170	returns directly I<after> the tick processing (and consequently, can only wake one process	240	returns directly I<after> the tick processing (and consequently, can only wake one thread
171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
172		242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
173	=item @cf::INVOKE_RESULTS	248	=item @cf::INVOKE_RESULTS
174		249
175	This array contains the results of the last C<invoke ()> call. When	250	This array contains the results of the last C<invoke ()> call. When
176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177	that call.	252	that call.
178		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
		259
179	=back	260	=back
180		261
181	=cut	262	=cut
182		263
183	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
184	*CORE::GLOBAL::warn = sub {	265	sub warn (@) { LOG llevWarn , join "", @_ }
		266	sub info (@) { LOG llevInfo , join "", @_ }
		267	sub debug(@) { LOG llevDebug, join "", @_ }
		268	sub trace(@) { LOG llevTrace, join "", @_ }
		269
		270	$Coro::State::WARNHOOK = sub {
185	my $msg = join "", @_;	271	my $msg = join "", @_;
186		272
187	$msg .= "\n"	273	$msg .= "\n"
188	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
189		275
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		277
192	utf8::encode $msg;
193	LOG llevError, $msg;	278	LOG llevWarn, $msg;
194	};	279	};
195	}	280
		281	$Coro::State::DIEHOOK = sub {
		282	return unless $^S eq 0; # "eq", not "=="
		283
		284	error Carp::longmess $_[0];
		285
		286	if (in_main) {#d#
		287	error "DIEHOOK called in main context, Coro bug?\n";#d#
		288	return;#d#
		289	}#d#
		290
		291	# kill coroutine otherwise
		292	Coro::terminate
		293	};
196		294
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	305	for my $pkg (qw(
208	cf::global cf::attachable	306	cf::global cf::attachable
209	cf::object cf::object::player	307	cf::object cf::object::player
210	cf::client cf::player	308	cf::client cf::player
211	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
212	cf::map cf::party cf::region	311	cf::party cf::region
213	)) {	312	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	314	}
217		315
218	$Event::DIED = sub {	316	$EV::DIED = sub {
219	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
220	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
221		324
222	#############################################################################	325	#############################################################################
223		326
224	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
225		328
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	349	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	350	$d
248	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
249	}	352	}
250		353
		354	=item $scalar = load_file $path
		355
		356	Loads the given file from path and returns its contents. Croaks on error
		357	and can block.
		358
		359	=cut
		360
		361	sub load_file($) {
		362	0 <= aio_load $_[0], my $data
		363	or Carp::croak "$_[0]: $!";
		364
		365	$data
		366	}
		367
251	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
252		369
253	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
254		371
255	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
256		373
257	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
258		375
259	=cut	376	=cut
260		377
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		379
263	sub to_json ($) { $json_coder->encode ($_[0]) }	380	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	381	sub decode_json($) { $json_coder->decode ($_[0]) }
		382
		383	=item $ref = cf::decode_storable $scalar
		384
		385	Same as Coro::Storable::thaw, so blocks.
		386
		387	=cut
		388
		389	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		390
		391	=item $ref = cf::decode_yaml $scalar
		392
		393	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		394
		395	=cut
		396
		397	sub decode_yaml($) {
		398	fork_call { YAML::XS::Load $_[0] } @_
		399	}
		400
		401	=item $scalar = cf::unlzf $scalar
		402
		403	Same as Compress::LZF::compress, but takes server ticks into account, so
		404	blocks.
		405
		406	=cut
		407
		408	sub unlzf($) {
		409	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		410	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		411	Compress::LZF::decompress $_[0]
		412	}
		413
		414	=item cf::post_init { BLOCK }
		415
		416	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		417	but I<before> the server starts ticking again.
		418
		419	The codeblock will have a single boolean argument to indicate whether this
		420	is a reload or not.
		421
		422	=cut
		423
		424	sub post_init(&) {
		425	push @POST_INIT, shift;
		426	}
		427
		428	sub _post_init {
		429	trace "running post_init jobs";
		430
		431	# run them in parallel...
		432
		433	my @join;
		434
		435	while () {
		436	push @join, map &Coro::async ($_, 0), @POST_INIT;
		437	@POST_INIT = ();
		438
		439	@join or last;
		440
		441	(pop @join)->join;
		442	}
		443	}
265		444
266	=item cf::lock_wait $string	445	=item cf::lock_wait $string
267		446
268	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
269		448
270	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
271		450
272	Wait until the given lock is available and then acquires it and returns	451	Wait until the given lock is available and then acquires it and returns
273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	452	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
274	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
275	returned.	454	returned.
276		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
277	Lock names should begin with a unique identifier (for example, cf::map::find	459	Lock names should begin with a unique identifier (for example, cf::map::find
278	uses map_find and cf::map::load uses map_load).	460	uses map_find and cf::map::load uses map_load).
279		461
280	=item $locked = cf::lock_active $string	462	=item $locked = cf::lock_active $string
281		463
282	Return true if the lock is currently active, i.e. somebody has locked it.	464	Return true if the lock is currently active, i.e. somebody has locked it.
283		465
284	=cut	466	=cut
285		467
286	our %LOCK;	468	our $LOCKS = new Coro::SemaphoreSet;
287		469
288	sub lock_wait($) {	470	sub lock_wait($) {
289	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
290
291	# wait for lock, if any
292	while ($LOCK{$key}) {
293	push @{ $LOCK{$key} }, $Coro::current;
294	Coro::schedule;
295	}
296	}	472	}
297		473
298	sub lock_acquire($) {	474	sub lock_acquire($) {
299	my ($key) = @_;	475	$LOCKS->guard ($_[0])
300
301	# wait, to be sure we are not locked
302	lock_wait $key;
303
304	$LOCK{$key} = [];
305
306	Coro::guard {
307	# wake up all waiters, to be on the safe side
308	$_->ready for @{ delete $LOCK{$key} };
309	}
310	}	476	}
311		477
312	sub lock_active($) {	478	sub lock_active($) {
313	my ($key) = @_;	479	$LOCKS->count ($_[0]) < 1
314
315	! ! $LOCK{$key}
316	}	480	}
317		481
318	sub freeze_mainloop {	482	sub freeze_mainloop {
319	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
320		484
321	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
322	$TICK_WATCHER->start;	486	}
323	};	487
324	$TICK_WATCHER->stop;	488	=item cf::periodic $interval, $cb
325	$guard	489
		490	Like EV::periodic, but randomly selects a starting point so that the actions
		491	get spread over time.
		492
		493	=cut
		494
		495	sub periodic($$) {
		496	my ($interval, $cb) = @_;
		497
		498	my $start = rand List::Util::min 180, $interval;
		499
		500	EV::periodic $start, $interval, 0, $cb
326	}	501	}
327		502
328	=item cf::get_slot $time[, $priority[, $name]]	503	=item cf::get_slot $time[, $priority[, $name]]
329		504
330	Allocate $time seconds of blocking CPU time at priority C<$priority>:	505	Allocate $time seconds of blocking CPU time at priority C<$priority>
331	This call blocks and returns only when you have at least C<$time> seconds	506	(default: 0): This call blocks and returns only when you have at least
332	of cpu time till the next tick. The slot is only valid till the next cede.	507	C<$time> seconds of cpu time till the next tick. The slot is only valid
		508	till the next cede.
		509
		510	Background jobs should use a priority les than zero, interactive jobs
		511	should use 100 or more.
333		512
334	The optional C<$name> can be used to identify the job to run. It might be	513	The optional C<$name> can be used to identify the job to run. It might be
335	used for statistical purposes and should identify the same time-class.	514	used for statistical purposes and should identify the same time-class.
336		515
337	Useful for short background jobs.	516	Useful for short background jobs.
338		517
339	=cut	518	=cut
340		519
341	our @SLOT_QUEUE;	520	our @SLOT_QUEUE;
342	our $SLOT_QUEUE;	521	our $SLOT_QUEUE;
		522	our $SLOT_DECAY = 0.9;
343		523
344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	524	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
345	$SLOT_QUEUE = Coro::async {	525	$SLOT_QUEUE = Coro::async {
		526	$Coro::current->desc ("timeslot manager");
		527
346	my $signal = new Coro::Signal;	528	my $signal = new Coro::Signal;
		529	my $busy;
347		530
348	while () {	531	while () {
349	next_job:	532	next_job:
		533
350	my $avail = cf::till_tick;	534	my $avail = cf::till_tick;
351	if ($avail > 0.01) {	535
352	for (0 .. $#SLOT_QUEUE) {	536	for (0 .. $#SLOT_QUEUE) {
353	if ($SLOT_QUEUE[$_][0] < $avail) {	537	if ($SLOT_QUEUE[$_][0] <= $avail) {
		538	$busy = 0;
354	my $job = splice @SLOT_QUEUE, $_, 1, ();	539	my $job = splice @SLOT_QUEUE, $_, 1, ();
355	$job->[2]->send;	540	$job->[2]->send;
356	Coro::cede;	541	Coro::cede;
357	goto next_job;	542	goto next_job;
358	}	543	} else {
		544	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
359	}	545	}
360	}	546	}
361		547
362	if (@SLOT_QUEUE) {	548	if (@SLOT_QUEUE) {
363	# we do not use wait_For_tick() as it returns immediately when tick is inactive	549	# we do not use wait_for_tick() as it returns immediately when tick is inactive
364	push @cf::WAIT_FOR_TICK, $signal;	550	push @cf::WAIT_FOR_TICK, $signal;
365	$signal->wait;	551	$signal->wait;
366	} else {	552	} else {
		553	$busy = 0;
367	Coro::schedule;	554	Coro::schedule;
368	}	555	}
369	}	556	}
370	};	557	};
371		558
372	sub get_slot($;$$) {	559	sub get_slot($;$$) {
		560	return if tick_inhibit || $Coro::current == $Coro::main;
		561
373	my ($time, $pri, $name) = @_;	562	my ($time, $pri, $name) = @_;
374		563
375	$time = $TICK * .6 if $time > $TICK * .6;	564	$time = clamp $time, 0.01, $TICK * .6;
		565
376	my $sig = new Coro::Signal;	566	my $sig = new Coro::Signal;
377		567
378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	568	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	569	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
380	$SLOT_QUEUE->ready;	570	$SLOT_QUEUE->ready;
…		…
391		581
392	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
393		583
394	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
395		585
396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	586	The design of Deliantra requires that the main coroutine ($Coro::main)
397	is always able to handle events or runnable, as Crossfire TRT is only	587	is always able to handle events or runnable, as Deliantra is only
398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	588	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
399	acceptable.	589	acceptable.
400		590
401	If it must be done, put the blocking parts into C<sync_job>. This will run	591	If it must be done, put the blocking parts into C<sync_job>. This will run
402	the given BLOCK in another coroutine while waiting for the result. The	592	the given BLOCK in another coroutine while waiting for the result. The
…		…
406	=cut	596	=cut
407		597
408	sub sync_job(&) {	598	sub sync_job(&) {
409	my ($job) = @_;	599	my ($job) = @_;
410		600
411	if ($Coro::current == $Coro::main) {	601	if (in_main) {
412	my $time = Event::time;	602	my $time = AE::time;
413		603
414	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
415	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
416		606
417	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
418	# (but this is cancel-safe)	608
419	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
420		610
421	my $busy = 1;	611	my $busy = 1;
422	my @res;	612	my @res;
423		613
424	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
425	@res = eval { $job->() };	616	@res = eval { $job->() };
426	warn $@ if $@;	617	error $@ if $@;
427	undef $busy;	618	undef $busy;
428	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
429		620
430	while ($busy) {	621	while ($busy) {
431	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
432	}	626	}
		627	}
433		628
434	$time = Event::time - $time;	629	my $time = AE::time - $time;
435		630
436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
438
439	$tick_start += $time; # do not account sync jobs to server load	631	$TICK_START += $time; # do not account sync jobs to server load
440		632
441	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
442	} else {	634	} else {
443	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
444		636
…		…
464	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
465		657
466	$coro	658	$coro
467	}	659	}
468		660
469	=item fork_call { }, $args	661	=item fork_call { }, @args
470		662
471	Executes the given code block with the given arguments in a seperate	663	Executes the given code block with the given arguments in a seperate
472	process, returning the results. Everything must be serialisable with	664	process, returning the results. Everything must be serialisable with
473	Coro::Storable. May, of course, block. Note that the executed sub may	665	Coro::Storable. May, of course, block. Note that the executed sub may
474	never block itself or use any form of Event handling.	666	never block itself or use any form of event handling.
475		667
476	=cut	668	=cut
		669
		670	sub post_fork {
		671	reset_signals;
		672	}
477		673
478	sub fork_call(&@) {	674	sub fork_call(&@) {
479	my ($cb, @args) = @_;	675	my ($cb, @args) = @_;
480		676
481	# we seemingly have to make a local copy of the whole thing,	677	# we seemingly have to make a local copy of the whole thing,
482	# otherwise perl prematurely frees the stuff :/	678	# otherwise perl prematurely frees the stuff :/
483	# TODO: investigate and fix (liekly this will be rather laborious)	679	# TODO: investigate and fix (likely this will be rather laborious)
484		680
485	my @res = Coro::Util::fork_eval {	681	my @res = Coro::Util::fork_eval {
486	reset_signals;	682	cf::post_fork;
487	&$cb	683	&$cb
488	}, @args;	684	} @args;
489		685
490	wantarray ? @res : $res[-1]	686	wantarray ? @res : $res[-1]
		687	}
		688
		689	sub objinfo {
		690	(
		691	"counter value" => cf::object::object_count,
		692	"objects created" => cf::object::create_count,
		693	"objects destroyed" => cf::object::destroy_count,
		694	"freelist size" => cf::object::free_count,
		695	"allocated objects" => cf::object::objects_size,
		696	"active objects" => cf::object::actives_size,
		697	)
		698	}
		699
		700	=item $coin = coin_from_name $name
		701
		702	=cut
		703
		704	our %coin_alias = (
		705	"silver" => "silvercoin",
		706	"silvercoin" => "silvercoin",
		707	"silvercoins" => "silvercoin",
		708	"gold" => "goldcoin",
		709	"goldcoin" => "goldcoin",
		710	"goldcoins" => "goldcoin",
		711	"platinum" => "platinacoin",
		712	"platinumcoin" => "platinacoin",
		713	"platinumcoins" => "platinacoin",
		714	"platina" => "platinacoin",
		715	"platinacoin" => "platinacoin",
		716	"platinacoins" => "platinacoin",
		717	"royalty" => "royalty",
		718	"royalties" => "royalty",
		719	);
		720
		721	sub coin_from_name($) {
		722	$coin_alias{$_[0]}
		723	? cf::arch::find $coin_alias{$_[0]}
		724	: undef
491	}	725	}
492		726
493	=item $value = cf::db_get $family => $key	727	=item $value = cf::db_get $family => $key
494		728
495	Returns a single value from the environment database.	729	Returns a single value from the environment database.
…		…
497	=item cf::db_put $family => $key => $value	731	=item cf::db_put $family => $key => $value
498		732
499	Stores the given C<$value> in the family. It can currently store binary	733	Stores the given C<$value> in the family. It can currently store binary
500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	734	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
501		735
		736	=item $db = cf::db_table "name"
		737
		738	Create and/or open a new database table. The string must not be "db" and must be unique
		739	within each server.
		740
502	=cut	741	=cut
		742
		743	sub db_table($) {
		744	cf::error "db_get called from main context"
		745	if $Coro::current == $Coro::main;
		746
		747	my ($name) = @_;
		748	my $db = BDB::db_create $DB_ENV;
		749
		750	eval {
		751	$db->set_flags (BDB::CHKSUM);
		752
		753	utf8::encode $name;
		754	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		755	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		756	cf::cleanup "db_open(db): $!" if $!;
		757	};
		758	cf::cleanup "db_open(db): $@" if $@;
		759
		760	$db
		761	}
503		762
504	our $DB;	763	our $DB;
505		764
506	sub db_init {	765	sub db_init {
507	unless ($DB) {	766	$DB ||= db_table "db";
508	$DB = BDB::db_create $DB_ENV;
509
510	cf::sync_job {
511	eval {
512	$DB->set_flags (BDB::CHKSUM);
513
514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
516	cf::cleanup "db_open(db): $!" if $!;
517	};
518	cf::cleanup "db_open(db): $@" if $@;
519	};
520	}
521	}	767	}
522		768
523	sub db_get($$) {	769	sub db_get($$) {
524	my $key = "$_[0]/$_[1]";	770	my $key = "$_[0]/$_[1]";
525		771
526	cf::sync_job {	772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
527	BDB::db_get $DB, undef, $key, my $data;	775	BDB::db_get $DB, undef, $key, my $data;
528		776
529	$! ? ()	777	$! ? ()
530	: $data	778	: $data
531	}
532	}	779	}
533		780
534	sub db_put($$$) {	781	sub db_put($$$) {
535	BDB::dbreq_pri 4;	782	BDB::dbreq_pri 4;
536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
564		811
565	my @data;	812	my @data;
566	my $md5;	813	my $md5;
567		814
568	for (0 .. $#$src) {	815	for (0 .. $#$src) {
569	0 <= aio_load $src->[$_], $data[$_]	816	$data[$_] = load_file $src->[$_];
570	or Carp::croak "$src->[$_]: $!";
571	}	817	}
572		818
573	# if processing is expensive, check	819	# if processing is expensive, check
574	# checksum first	820	# checksum first
575	if (1) {	821	if (1) {
576	$md5 =	822	$md5 =
577	join "\x00",	823	join "\x00",
578	$processversion,	824	$processversion,
579	map {	825	map {
580	Coro::cede;	826	cf::cede_to_tick;
581	($src->[$_], Digest::MD5::md5_hex $data[$_])	827	($src->[$_], Digest::MD5::md5_hex $data[$_])
582	} 0.. $#$src;	828	} 0.. $#$src;
583		829
584		830
585	my $dbmd5 = db_get cache => "$id/md5";	831	my $dbmd5 = db_get cache => "$id/md5";
…		…
592		838
593	my $t1 = Time::HiRes::time;	839	my $t1 = Time::HiRes::time;
594	my $data = $process->(\@data);	840	my $data = $process->(\@data);
595	my $t2 = Time::HiRes::time;	841	my $t2 = Time::HiRes::time;
596		842
597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
598		844
599	db_put cache => "$id/data", $data;	845	db_put cache => "$id/data", $data;
600	db_put cache => "$id/md5" , $md5;	846	db_put cache => "$id/md5" , $md5;
601	db_put cache => "$id/meta", $meta;	847	db_put cache => "$id/meta", $meta;
602		848
…		…
612		858
613	=cut	859	=cut
614		860
615	sub datalog($@) {	861	sub datalog($@) {
616	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
618	}	864	}
619		865
620	=back	866	=back
621		867
622	=cut	868	=cut
623		869
624	#############################################################################	870	#############################################################################
625		871
626	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
627		873
628	Many objects in crossfire are so-called attachable objects. That means you can	874	Many objects in deliantra are so-called attachable objects. That means you can
629	attach callbacks/event handlers (a collection of which is called an "attachment")	875	attach callbacks/event handlers (a collection of which is called an "attachment")
630	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
631		877
632	In the following description, CLASS can be any of C<global>, C<object>	878	In the following description, CLASS can be any of C<global>, C<object>
633	C<player>, C<client> or C<map> (i.e. the attachable objects in	879	C<player>, C<client> or C<map> (i.e. the attachable objects in
634	Crossfire TRT).	880	Deliantra).
635		881
636	=over 4	882	=over 4
637		883
638	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
639		885
…		…
683	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
684		930
685	Register an attachment by C<$name> through which attachable objects of the	931	Register an attachment by C<$name> through which attachable objects of the
686	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
687		933
688	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
689	that are attached at load/instantiate time, thus the need for a name.	935	that are attached at load/instantiate time, thus the need for a name.
690		936
691	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
692		938
693	=over 4	939	=over 4
…		…
817		1063
818	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
819	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
820		1066
821	} elsif (ref $type) {	1067	} elsif (ref $type) {
822	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
823		1069
824	} else {	1070	} else {
825	shift @arg;	1071	shift @arg;
826	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
827	}	1073	}
828	}	1074	}
829	}	1075	}
830		1076
831	sub _object_attach {	1077	sub _object_attach {
…		…
841	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
842	}	1088	}
843		1089
844	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
845	} else {	1091	} else {
846	warn "object uses attachment '$name' which is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
847	}	1093	}
848		1094
849	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
850	}	1096	}
851		1097
…		…
910		1156
911	for (@$callbacks) {	1157	for (@$callbacks) {
912	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
913		1159
914	if ($@) {	1160	if ($@) {
915	warn "$@";
916	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
917	override;	1162	override;
918	}	1163	}
919		1164
920	return 1 if $override;	1165	return 1 if $override;
921	}	1166	}
922		1167
923	0	1168	0
924	}	1169	}
925		1170
926	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
927		1172
928	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
929		1174
930	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
931		1176
…		…
937		1182
938	=cut	1183	=cut
939		1184
940	#############################################################################	1185	#############################################################################
941	# object support	1186	# object support
942	#
943		1187
		1188	sub _object_equal($$);
		1189	sub _object_equal($$) {
		1190	my ($a, $b) = @_;
		1191
		1192	return 0 unless (ref $a) eq (ref $b);
		1193
		1194	if ("HASH" eq ref $a) {
		1195	my @ka = keys %$a;
		1196	my @kb = keys %$b;
		1197
		1198	return 0 if @ka != @kb;
		1199
		1200	for (0 .. $#ka) {
		1201	return 0 unless $ka[$_] eq $kb[$_];
		1202	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1203	}
		1204
		1205	} elsif ("ARRAY" eq ref $a) {
		1206
		1207	return 0 if @$a != @$b;
		1208
		1209	for (0 .. $#$a) {
		1210	return 0 unless _object_equal $a->[$_], $b->[$_];
		1211	}
		1212
		1213	} elsif ($a ne $b) {
		1214	return 0;
		1215	}
		1216
		1217	1
		1218	}
		1219
		1220	our $SLOW_MERGES;#d#
944	sub _can_merge {	1221	sub _can_merge {
945	my ($ob1, $ob2) = @_;	1222	my ($ob1, $ob2) = @_;
946		1223
947	local $Storable::canonical = 1;	1224	++$SLOW_MERGES;#d#
948	my $fob1 = Storable::freeze $ob1;
949	my $fob2 = Storable::freeze $ob2;
950		1225
951	$fob1 eq $fob2	1226	# we do the slow way here
		1227	return _object_equal $ob1, $ob2
952	}	1228	}
953		1229
954	sub reattach {	1230	sub reattach {
955	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
956	my ($obj) = @_;	1232	my ($obj) = @_;
957		1233
		1234	# no longer needed after getting rid of delete_package?
958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1235	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
959		1236
960	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
961		1238
962	@$registry = ();	1239	@$registry = ();
963		1240
…		…
968	for (@$attach) {	1245	for (@$attach) {
969	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
970	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
971	}	1248	}
972	} else {	1249	} else {
973	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
974	}	1251	}
975	}	1252	}
976	}	1253	}
977		1254
978	cf::attachable->attach (	1255	cf::attachable->attach (
979	prio => -1000000,	1256	prio => -1000000,
980	on_instantiate => sub {	1257	on_instantiate => sub {
981	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
982		1259
983	$data = from_json $data;	1260	$data = decode_json $data;
984		1261
985	for (@$data) {	1262	for (@$data) {
986	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
987		1264
988	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
1004	sub object_freezer_save {	1281	sub object_freezer_save {
1005	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
1006		1283
1007	sync_job {	1284	sync_job {
1008	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
1009	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
1010	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
1011		1290
1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1013	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1015	aio_fsync $fh if $cf::USE_FSYNC;	1294	if ($cf::USE_FSYNC) {
		1295	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1296	aio_fsync $fh;
		1297	}
1016	close $fh;	1298	aio_close $fh;
1017		1299
1018	if (@$objs) {	1300	if (@$objs) {
1019	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1301	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1020	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
1021	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1022	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
1023	aio_fsync $fh if $cf::USE_FSYNC;	1305	if ($cf::USE_FSYNC) {
		1306	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1307	aio_fsync $fh;
		1308	}
1024	close $fh;	1309	aio_close $fh;
1025	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
1026	}	1311	}
1027	} else {	1312	} else {
1028	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
1029	}	1314	}
1030		1315
1031	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
1032	} else {	1320	} else {
1033	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
1034	}	1322	}
1035	} else {	1323	} else {
1036	aio_unlink $filename;	1324	aio_unlink $filename;
1037	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
1038	}	1326	}
1039	}	1327	};
1040	}	1328	}
1041		1329
1042	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
1043	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
1044		1332
…		…
1056	or return;	1344	or return;
1057		1345
1058	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
1059	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
1060	or return;	1348	or return;
		1349
1061	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
1062	}	1352	}
1063		1353
		1354	utf8::decode (my $decname = $filename);
1064	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
1065	$filename, length $data, scalar @{$av || []};	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
1066	return ($data, $av);	1359	($data, $av)
1067	}	1360	}
1068		1361
1069	=head2 COMMAND CALLBACKS	1362	=head2 COMMAND CALLBACKS
1070		1363
1071	=over 4	1364	=over 4
…		…
1125	my ($name, $cb) = @_;	1418	my ($name, $cb) = @_;
1126		1419
1127	$EXTICMD{$name} = $cb;	1420	$EXTICMD{$name} = $cb;
1128	}	1421	}
1129		1422
		1423	use File::Glob ();
		1424
1130	cf::player->attach (	1425	cf::player->attach (
1131	on_command => sub {	1426	on_unknown_command => sub {
1132	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
1133		1428
1134	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
1135	or return;	1430	or return;
1136		1431
…		…
1149	my ($type, $reply, @payload) =	1444	my ($type, $reply, @payload) =
1150	"ARRAY" eq ref $msg	1445	"ARRAY" eq ref $msg
1151	? @$msg	1446	? @$msg
1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	1447	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1153		1448
		1449	my @reply;
		1450
1154	if (my $cb = $EXTCMD{$type}) {	1451	if (my $cb = $EXTCMD{$type}) {
1155	my @reply = $cb->($pl, @payload);	1452	@reply = $cb->($pl, @payload);
1156
1157	$pl->ext_reply ($reply, @reply)
1158	if $reply;
1159	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
1160	} else {	1458	} else {
1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1162	}	1460	}
1163		1461
1164	cf::override;	1462	cf::override;
1165	},	1463	},
1166	);	1464	);
1167		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
1168	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
1169	cf::sync_job {	1482	cf::sync_job {
1170	my %todo;	1483	my %todo;
1171		1484
1172	for my $path (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
1173	next unless -r $path;	1486	next unless -r $path;
…		…
1191		1504
1192	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1193	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1194		1507
1195	$ext{source} =	1508	$ext{source} =
1196	"package $pkg; use strict; use utf8;\n"	1509	"package $pkg; use common::sense;\n"
1197	. "#line 1 \"$path\"\n{\n"	1510	. "#line 1 \"$path\"\n{\n"
1198	. $source	1511	. $source
1199	. "\n};\n1";	1512	. "\n};\n1";
1200		1513
1201	$todo{$base} = \%ext;	1514	$todo{$base} = \%ext;
1202	}	1515	}
1203		1516
		1517	my $pass = 0;
1204	my %done;	1518	my %done;
1205	while (%todo) {	1519	while (%todo) {
1206	my $progress;	1520	my $progress;
1207		1521
		1522	++$pass;
		1523
		1524	ext:
1208	while (my ($k, $v) = each %todo) {	1525	while (my ($k, $v) = each %todo) {
1209	for (split /,\s*/, $v->{meta}{depends}) {	1526	for (split /,\s*/, $v->{meta}{depends}) {
1210	goto skip	1527	next ext
1211	unless exists $done{$_};	1528	unless exists $done{$_};
1212	}	1529	}
1213		1530
1214	warn "... loading '$k' into '$v->{pkg}'\n";	1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1215		1532
1216	unless (eval $v->{source}) {	1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
1217	my $msg = $@ ? "$v->{path}: $@\n"	1536	error "$v->{path}: $@\n";
1218	: "$v->{base}: extension inactive.\n";
1219		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1220	if (exists $v->{meta}{mandatory}) {	1539	if exists $v->{meta}{mandatory};
1221	warn $msg;	1540
1222	warn "mandatory extension failed to load, exiting.\n";	1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1223	exit 1;	1542	delete $todo{$k};
1224	}	1543	} else {
1225		1544	$done{$k} = delete $todo{$k};
1226	warn $msg;	1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
1227	}	1550	}
1228
1229	$done{$k} = delete $todo{$k};
1230	push @EXTS, $v->{pkg};
1231	$progress = 1;
1232	}	1551	}
1233		1552
1234	skip:	1553	unless ($progress) {
1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1236	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	}
1237	}	1563	}
1238	};	1564	};
1239	}	1565	}
1240		1566
1241	#############################################################################	1567	#############################################################################
1242		1568
1243	=back	1569	=back
1244		1570
1245	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
1246		1572
1247	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
1248		1574
1249	=cut	1575	=cut
1250		1576
1251	package cf::player;	1577	package cf::player;
1252		1578
1253	use Coro::AIO;	1579	use Coro::AIO;
1254		1580
1255	=head3 cf::player	1581	=head3 cf::player
1256		1582
1257	=over 4	1583	=over 4
		1584
		1585	=item cf::player::num_playing
		1586
		1587	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1588
		1589	=cut
		1590
		1591	sub num_playing {
		1592	scalar grep
		1593	$_->ob->map
		1594	&& !$_->hidden
		1595	&& !$_->ob->flag (cf::FLAG_WIZ),
		1596	cf::player::list
		1597	}
1258		1598
1259	=item cf::player::find $login	1599	=item cf::player::find $login
1260		1600
1261	Returns the given player object, loading it if necessary (might block).	1601	Returns the given player object, loading it if necessary (might block).
1262		1602
…		…
1281		1621
1282	sub exists($) {	1622	sub exists($) {
1283	my ($login) = @_;	1623	my ($login) = @_;
1284		1624
1285	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
1286	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
1287	}	1627	}
1288		1628
1289	sub find($) {	1629	sub find($) {
1290	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
1291	my $login = $_[0];	1631	my $login = $_[0];
…		…
1298	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1638	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1299	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1639	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1300	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1640	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1301	aio_unlink +(playerdir $login) . "/$login.pl";	1641	aio_unlink +(playerdir $login) . "/$login.pl";
1302		1642
1303	my $pl = load_pl path $login	1643	my $f = new_from_file cf::object::thawer path $login
1304	or return;	1644	or return;
		1645
		1646	my $pl = cf::player::load_pl $f
		1647	or return;
		1648
		1649	local $cf::PLAYER_LOADING{$login} = $pl;
		1650	$f->resolve_delayed_derefs;
1305	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1306	}	1652	}
1307	}	1653	}
1308	}	1654	}
		1655
		1656	cf::player->attach (
		1657	on_load => sub {
		1658	my ($pl, $path) = @_;
		1659
		1660	# restore slots saved in save, below
		1661	my $slots = delete $pl->{_slots};
		1662
		1663	$pl->ob->current_weapon ($slots->[0]);
		1664	$pl->combat_ob ($slots->[1]);
		1665	$pl->ranged_ob ($slots->[2]);
		1666	},
		1667	);
1309		1668
1310	sub save($) {	1669	sub save($) {
1311	my ($pl) = @_;	1670	my ($pl) = @_;
1312		1671
1313	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
…		…
1318	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1319		1678
1320	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1321	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
1322		1681
		1682	cf::get_slot 0.01;
		1683
		1684	# save slots, to be restored later
		1685	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1686
1323	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1324	Coro::cede;	1688	cf::cede_to_tick;
1325	}	1689	}
1326		1690
1327	sub new($) {	1691	sub new($) {
1328	my ($login) = @_;	1692	my ($login) = @_;
1329		1693
…		…
1358	my ($pl) = @_;	1722	my ($pl) = @_;
1359		1723
1360	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1361		1725
1362	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1363	$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
1364		1728
1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1366	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1367	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1368	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1369		1737
1370	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1371	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1372	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1407	or return [];	1775	or return [];
1408		1776
1409	my @logins;	1777	my @logins;
1410		1778
1411	for my $login (@$dirs) {	1779	for my $login (@$dirs) {
		1780	my $path = path $login;
		1781
		1782	# a .pst is a dead give-away for a valid player
		1783	# if no pst file found, open and chekc for blocked users
		1784	if (aio_stat "$path.pst") {
1412	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1413	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1414	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1415		1789
1416	utf8::decode $login;	1790	utf8::decode $login;
1417	push @logins, $login;	1791	push @logins, $login;
1418	}	1792	}
1419		1793
1420	\@logins	1794	\@logins
1421	}	1795	}
1422		1796
1423	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1424		1800
1425	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1426	player. May block.	1802	player. May block.
1427		1803
1428	=cut	1804	=cut
…		…
1446	}	1822	}
1447		1823
1448	\@paths	1824	\@paths
1449	}	1825	}
1450		1826
1451	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1452		1828
1453	Expand crossfire pod fragments into protocol xml.	1829	Expand deliantra pod fragments into protocol xml.
1454
1455	=cut
1456
1457	sub expand_cfpod {
1458	((my $self), (local $_)) = @_;
1459
1460	# escape & and <
1461	s/&/&amp;/g;
1462	s/(?<![BIUGH])</&lt;/g;
1463
1464	# this is buggy, it needs to properly take care of nested <'s
1465
1466	1 while
1467	# replace B<>, I<>, U<> etc.
1468	s/B<([^\>]*)>/<b>$1<\/b>/
1469	|| s/I<([^\>]*)>/<i>$1<\/i>/
1470	|| s/U<([^\>]*)>/<u>$1<\/u>/
1471	# replace G<male|female> tags
1472	|| s{G<([^>|]*)\|([^>]*)>}{
1473	$self->gender ? $2 : $1
1474	}ge
1475	# replace H<hint text>
1476	|| s{H<([^\>]*)>}
1477	{
1478	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1479	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1480	"")
1481	[$self->{hintmode}]
1482	}ge;
1483
1484	# create single paragraphs (very hackish)
1485	s/(?<=\S)\n(?=\w)/ /g;
1486
1487	# compress some whitespace
1488	s/\s+\n/\n/g; # ws line-ends
1489	s/\n\n+/\n/g; # double lines
1490	s/^\n+//; # beginning lines
1491	s/\n+$//; # ending lines
1492
1493	$_
1494	}
1495
1496	sub hintmode {
1497	$_[0]{hintmode} = $_[1] if @_ > 1;
1498	$_[0]{hintmode}
1499	}
1500		1830
1501	=item $player->ext_reply ($msgid, @msg)	1831	=item $player->ext_reply ($msgid, @msg)
1502		1832
1503	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1504		1834
…		…
1536		1866
1537	=cut	1867	=cut
1538		1868
1539	sub find_by_path($) {	1869	sub find_by_path($) {
1540	my ($path) = @_;	1870	my ($path) = @_;
		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
1541		1873
1542	my ($match, $specificity);	1874	my ($match, $specificity);
1543		1875
1544	for my $region (list) {	1876	for my $region (list) {
1545	if ($region->{match} && $path =~ $region->{match}) {	1877	if ($region->{match} && $path =~ $region->{match}) {
…		…
1571	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1572	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1573		1905
1574	sub generate_random_map {	1906	sub generate_random_map {
1575	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1576	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1577	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1578	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1579	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1580	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1581	$rmp->{exit_on_final_map},
1582	$rmp->{xsize}, $rmp->{ysize},
1583	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1584	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1585	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1586	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1587	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1588	(cf::region::find $rmp->{region}), $rmp->{custom}
1589	)
1590	}	1912	}
1591		1913
1592	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1593		1915
1594	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
…		…
1599		1921
1600	sub register {	1922	sub register {
1601	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1602	my $pkg = caller;	1924	my $pkg = caller;
1603		1925
1604	no strict;
1605	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1606		1927
1607	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1608	}	1929	}
1609		1930
1610	# also paths starting with '/'	1931	# also paths starting with '/'
1611	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1612		1933
1613	sub thawer_merge {	1934	sub thawer_merge {
1614	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1615		1936
1616	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
…		…
1621	}	1942	}
1622		1943
1623	sub normalise {	1944	sub normalise {
1624	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1625		1946
1626	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1627		1948
1628	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1629		1950
1630	# map plan:	1951	# map plan:
1631	#	1952	#
…		…
1646	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1647	$path = "$base/$path";	1968	$path = "$base/$path";
1648	}	1969	}
1649		1970
1650	for ($path) {	1971	for ($path) {
1651	redo if s{//}{/};
1652	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1653	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1654	}	1974	}
1655		1975
1656	$path	1976	$path
…		…
1670	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1671	return $self;	1991	return $self;
1672	}	1992	}
1673	}	1993	}
1674		1994
1675	Carp::cluck "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1676	()	1996	()
1677	}	1997	}
1678		1998
		1999	# may re-bless or do other evil things
1679	sub init {	2000	sub init {
1680	my ($self) = @_;	2001	my ($self) = @_;
1681		2002
1682	$self	2003	$self
1683	}	2004	}
…		…
1702		2023
1703	# the temporary/swap location	2024	# the temporary/swap location
1704	sub save_path {	2025	sub save_path {
1705	my ($self) = @_;	2026	my ($self) = @_;
1706		2027
1707	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2028	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1708	"$TMPDIR/$path.map"	2029	"$TMPDIR/$path.map"
1709	}	2030	}
1710		2031
1711	# the unique path, undef == no special unique path	2032	# the unique path, undef == no special unique path
1712	sub uniq_path {	2033	sub uniq_path {
1713	my ($self) = @_;	2034	my ($self) = @_;
1714		2035
1715	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1716	"$UNIQUEDIR/$path"	2037	"$UNIQUEDIR/$path"
1717	}
1718
1719	# and all this just because we cannot iterate over
1720	# all maps in C++...
1721	sub change_all_map_light {
1722	my ($change) = @_;
1723
1724	$_->change_map_light ($change)
1725	for grep $_->outdoor, values %cf::MAP;
1726	}	2038	}
1727		2039
1728	sub decay_objects {	2040	sub decay_objects {
1729	my ($self) = @_;	2041	my ($self) = @_;
1730		2042
…		…
1743		2055
1744	sub load_header_from($) {	2056	sub load_header_from($) {
1745	my ($self, $path) = @_;	2057	my ($self, $path) = @_;
1746		2058
1747	utf8::encode $path;	2059	utf8::encode $path;
1748	#aio_open $path, O_RDONLY, 0	2060	my $f = new_from_file cf::object::thawer $path
1749	# or return;
1750
1751	$self->_load_header ($path)
1752	or return;	2061	or return;
		2062
		2063	$self->_load_header ($f)
		2064	or return;
		2065
		2066	local $MAP_LOADING{$self->{path}} = $self;
		2067	$f->resolve_delayed_derefs;
1753		2068
1754	$self->{load_path} = $path;	2069	$self->{load_path} = $path;
1755		2070
1756	1	2071	1
1757	}	2072	}
…		…
1809		2124
1810	sub find;	2125	sub find;
1811	sub find {	2126	sub find {
1812	my ($path, $origin) = @_;	2127	my ($path, $origin) = @_;
1813		2128
		2129	cf::cede_to_tick;
		2130
1814	$path = normalise $path, $origin && $origin->path;	2131	$path = normalise $path, $origin && $origin->path;
1815		2132
		2133	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1816	cf::lock_wait "map_find:$path";	2134	my $guard2 = cf::lock_acquire "map_find:$path";
1817		2135
1818	$cf::MAP{$path} || do {	2136	$cf::MAP{$path} || do {
1819	my $guard = cf::lock_acquire "map_find:$path";
1820	my $map = new_from_path cf::map $path	2137	my $map = new_from_path cf::map $path
1821	or return;	2138	or return;
1822		2139
1823	$map->{last_save} = $cf::RUNTIME;	2140	$map->{last_save} = $cf::RUNTIME;
1824		2141
…		…
1826	or return;	2143	or return;
1827		2144
1828	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2145	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1829	# doing this can freeze the server in a sync job, obviously	2146	# doing this can freeze the server in a sync job, obviously
1830	#$cf::WAIT_FOR_TICK->wait;	2147	#$cf::WAIT_FOR_TICK->wait;
		2148	undef $guard2;
		2149	undef $guard1;
1831	$map->reset;	2150	$map->reset;
1832	undef $guard;
1833	return find $path;	2151	return find $path;
1834	}	2152	}
1835		2153
1836	$cf::MAP{$path} = $map	2154	$cf::MAP{$path} = $map
1837	}	2155	}
1838	}	2156	}
1839		2157
1840	sub pre_load { }	2158	sub pre_load { }
1841	sub post_load { }	2159	#sub post_load { } # XS
1842		2160
1843	sub load {	2161	sub load {
1844	my ($self) = @_;	2162	my ($self) = @_;
1845		2163
1846	local $self->{deny_reset} = 1; # loading can take a long time	2164	local $self->{deny_reset} = 1; # loading can take a long time
1847		2165
1848	my $path = $self->{path};	2166	my $path = $self->{path};
1849		2167
1850	{	2168	{
1851	my $guard = cf::lock_acquire "map_load:$path";	2169	my $guard = cf::lock_acquire "map_data:$path";
1852		2170
		2171	return unless $self->valid;
1853	return if $self->in_memory != cf::MAP_SWAPPED;	2172	return unless $self->in_memory == cf::MAP_SWAPPED;
1854		2173
1855	$self->in_memory (cf::MAP_LOADING);	2174	$self->in_memory (cf::MAP_LOADING);
1856		2175
1857	$self->alloc;	2176	$self->alloc;
1858		2177
1859	$self->pre_load;	2178	$self->pre_load;
1860	Coro::cede;	2179	cf::cede_to_tick;
1861		2180
		2181	my $f = new_from_file cf::object::thawer $self->{load_path};
		2182	$f->skip_block;
1862	$self->_load_objects ($self->{load_path}, 1)	2183	$self->_load_objects ($f)
1863	or return;	2184	or return;
1864		2185
1865	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2186	$self->post_load_original
1866	if delete $self->{load_original};	2187	if delete $self->{load_original};
1867		2188
1868	if (my $uniq = $self->uniq_path) {	2189	if (my $uniq = $self->uniq_path) {
1869	utf8::encode $uniq;	2190	utf8::encode $uniq;
1870	if (aio_open $uniq, O_RDONLY, 0) {	2191	unless (aio_stat $uniq) {
		2192	if (my $f = new_from_file cf::object::thawer $uniq) {
1871	$self->clear_unique_items;	2193	$self->clear_unique_items;
1872	$self->_load_objects ($uniq, 0);	2194	$self->_load_objects ($f);
		2195	$f->resolve_delayed_derefs;
		2196	}
1873	}	2197	}
1874	}	2198	}
1875		2199
1876	Coro::cede;	2200	$f->resolve_delayed_derefs;
		2201
		2202	cf::cede_to_tick;
1877	# now do the right thing for maps	2203	# now do the right thing for maps
1878	$self->link_multipart_objects;	2204	$self->link_multipart_objects;
1879	$self->difficulty ($self->estimate_difficulty)	2205	$self->difficulty ($self->estimate_difficulty)
1880	unless $self->difficulty;	2206	unless $self->difficulty;
1881	Coro::cede;	2207	cf::cede_to_tick;
1882		2208
1883	unless ($self->{deny_activate}) {	2209	unless ($self->{deny_activate}) {
1884	$self->decay_objects;	2210	$self->decay_objects;
1885	$self->fix_auto_apply;	2211	$self->fix_auto_apply;
1886	$self->update_buttons;	2212	$self->update_buttons;
1887	Coro::cede;	2213	cf::cede_to_tick;
1888	$self->set_darkness_map;
1889	Coro::cede;
1890	$self->activate;	2214	$self->activate;
1891	}	2215	}
1892		2216
1893	$self->{last_save} = $cf::RUNTIME;	2217	$self->{last_save} = $cf::RUNTIME;
1894	$self->last_access ($cf::RUNTIME);	2218	$self->last_access ($cf::RUNTIME);
1895		2219
1896	$self->in_memory (cf::MAP_IN_MEMORY);	2220	$self->in_memory (cf::MAP_ACTIVE);
1897	}	2221	}
1898		2222
1899	$self->post_load;	2223	$self->post_load;
1900	}
1901		2224
		2225	1
		2226	}
		2227
		2228	# customize the map for a given player, i.e.
		2229	# return the _real_ map. used by e.g. per-player
		2230	# maps to change the path to ~playername/mappath
1902	sub customise_for {	2231	sub customise_for {
1903	my ($self, $ob) = @_;	2232	my ($self, $ob) = @_;
1904		2233
1905	return find "~" . $ob->name . "/" . $self->{path}	2234	return find "~" . $ob->name . "/" . $self->{path}
1906	if $self->per_player;	2235	if $self->per_player;
…		…
1922	or next;	2251	or next;
1923	$neigh = find $neigh, $map	2252	$neigh = find $neigh, $map
1924	or next;	2253	or next;
1925	$neigh->load;	2254	$neigh->load;
1926		2255
		2256	# now find the diagonal neighbours
1927	push @neigh,	2257	push @neigh,
1928	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2258	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1929	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2259	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1930	}	2260	}
1931		2261
…		…
1938	}	2268	}
1939		2269
1940	sub find_sync {	2270	sub find_sync {
1941	my ($path, $origin) = @_;	2271	my ($path, $origin) = @_;
1942		2272
1943	cf::sync_job { find $path, $origin }	2273	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2274	if $Coro::current == $Coro::main;
		2275
		2276	find $path, $origin
1944	}	2277	}
1945		2278
1946	sub do_load_sync {	2279	sub do_load_sync {
1947	my ($map) = @_;	2280	my ($map) = @_;
1948		2281
1949	cf::sync_job { $map->load };	2282	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2283	if $Coro::current == $Coro::main;
		2284
		2285	$map->load;
1950	}	2286	}
1951		2287
1952	our %MAP_PREFETCH;	2288	our %MAP_PREFETCH;
1953	our $MAP_PREFETCHER = undef;	2289	our $MAP_PREFETCHER = undef;
1954		2290
1955	sub find_async {	2291	sub find_async {
1956	my ($path, $origin) = @_;	2292	my ($path, $origin, $load) = @_;
1957		2293
1958	$path = normalise $path, $origin && $origin->{path};	2294	$path = normalise $path, $origin && $origin->{path};
1959		2295
1960	if (my $map = $cf::MAP{$path}) {	2296	if (my $map = $cf::MAP{$path}) {
1961	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2297	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1962	}	2298	}
1963		2299
1964	undef $MAP_PREFETCH{$path};	2300	$MAP_PREFETCH{$path} |= $load;
		2301
1965	$MAP_PREFETCHER ||= cf::async {	2302	$MAP_PREFETCHER ||= cf::async {
		2303	$Coro::current->{desc} = "map prefetcher";
		2304
1966	while (%MAP_PREFETCH) {	2305	while (%MAP_PREFETCH) {
1967	for my $path (keys %MAP_PREFETCH) {	2306	while (my ($k, $v) = each %MAP_PREFETCH) {
1968	if (my $map = find $path) {	2307	if (my $map = find $k) {
1969	$map->load;	2308	$map->load if $v;
1970	}	2309	}
1971		2310
1972	delete $MAP_PREFETCH{$path};	2311	delete $MAP_PREFETCH{$k};
1973	}	2312	}
1974	}	2313	}
1975	undef $MAP_PREFETCHER;	2314	undef $MAP_PREFETCHER;
1976	};	2315	};
1977	$MAP_PREFETCHER->prio (6);	2316	$MAP_PREFETCHER->prio (6);
1978		2317
1979	()	2318	()
1980	}	2319	}
1981		2320
		2321	# common code, used by both ->save and ->swapout
1982	sub save {	2322	sub _save {
1983	my ($self) = @_;	2323	my ($self) = @_;
1984
1985	my $lock = cf::lock_acquire "map_data:" . $self->path;
1986		2324
1987	$self->{last_save} = $cf::RUNTIME;	2325	$self->{last_save} = $cf::RUNTIME;
1988		2326
1989	return unless $self->dirty;	2327	return unless $self->dirty;
1990		2328
…		…
1996	return if $self->{deny_save};	2334	return if $self->{deny_save};
1997		2335
1998	local $self->{last_access} = $self->last_access;#d#	2336	local $self->{last_access} = $self->last_access;#d#
1999		2337
2000	cf::async {	2338	cf::async {
		2339	$Coro::current->{desc} = "map player save";
2001	$_->contr->save for $self->players;	2340	$_->contr->save for $self->players;
2002	};	2341	};
		2342
		2343	cf::get_slot 0.02;
2003		2344
2004	if ($uniq) {	2345	if ($uniq) {
2005	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2346	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2006	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2347	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2007	} else {	2348	} else {
2008	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2349	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2009	}	2350	}
2010	}	2351	}
2011		2352
		2353	sub save {
		2354	my ($self) = @_;
		2355
		2356	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2357
		2358	$self->_save;
		2359	}
		2360
2012	sub swap_out {	2361	sub swap_out {
2013	my ($self) = @_;	2362	my ($self) = @_;
2014		2363
2015	# save first because save cedes
2016	$self->save;
2017
2018	my $lock = cf::lock_acquire "map_data:" . $self->path;	2364	my $lock = cf::lock_acquire "map_data:$self->{path}";
2019		2365
		2366	return if $self->in_memory != cf::MAP_ACTIVE;
		2367	return if $self->{deny_save};
2020	return if $self->players;	2368	return if $self->players;
2021	return if $self->in_memory != cf::MAP_IN_MEMORY;
2022	return if $self->{deny_save};
2023		2369
		2370	# first deactivate the map and "unlink" it from the core
		2371	$self->deactivate;
		2372	$_->clear_links_to ($self) for values %cf::MAP;
		2373	$self->in_memory (cf::MAP_SWAPPED);
		2374
		2375	# then atomically save
		2376	$self->_save;
		2377
		2378	# then free the map
2024	$self->clear;	2379	$self->clear;
2025	$self->in_memory (cf::MAP_SWAPPED);
2026	}	2380	}
2027		2381
2028	sub reset_at {	2382	sub reset_at {
2029	my ($self) = @_;	2383	my ($self) = @_;
2030		2384
…		…
2048		2402
2049	my $lock = cf::lock_acquire "map_data:$self->{path}";	2403	my $lock = cf::lock_acquire "map_data:$self->{path}";
2050		2404
2051	return if $self->players;	2405	return if $self->players;
2052		2406
2053	warn "resetting map ", $self->path;	2407	cf::trace "resetting map ", $self->path, "\n";
2054		2408
2055	$self->in_memory (cf::MAP_SWAPPED);	2409	$self->in_memory (cf::MAP_SWAPPED);
2056		2410
2057	# need to save uniques path	2411	# need to save uniques path
2058	unless ($self->{deny_save}) {	2412	unless ($self->{deny_save}) {
…		…
2062	if $uniq;	2416	if $uniq;
2063	}	2417	}
2064		2418
2065	delete $cf::MAP{$self->path};	2419	delete $cf::MAP{$self->path};
2066		2420
		2421	$self->deactivate;
		2422	$_->clear_links_to ($self) for values %cf::MAP;
2067	$self->clear;	2423	$self->clear;
2068
2069	$_->clear_links_to ($self) for values %cf::MAP;
2070		2424
2071	$self->unlink_save;	2425	$self->unlink_save;
2072	$self->destroy;	2426	$self->destroy;
2073	}	2427	}
2074		2428
2075	my $nuke_counter = "aaaa";	2429	my $nuke_counter = "aaaa";
2076		2430
2077	sub nuke {	2431	sub nuke {
2078	my ($self) = @_;	2432	my ($self) = @_;
2079		2433
		2434	{
		2435	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2436
2080	delete $cf::MAP{$self->path};	2437	delete $cf::MAP{$self->path};
2081		2438
2082	$self->unlink_save;	2439	$self->unlink_save;
2083		2440
2084	bless $self, "cf::map";	2441	bless $self, "cf::map::wrap";
2085	delete $self->{deny_reset};	2442	delete $self->{deny_reset};
2086	$self->{deny_save} = 1;	2443	$self->{deny_save} = 1;
2087	$self->reset_timeout (1);	2444	$self->reset_timeout (1);
2088	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2445	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2089		2446
2090	$cf::MAP{$self->path} = $self;	2447	$cf::MAP{$self->path} = $self;
		2448	}
2091		2449
2092	$self->reset; # polite request, might not happen	2450	$self->reset; # polite request, might not happen
2093	}	2451	}
2094		2452
2095	=item $maps = cf::map::tmp_maps	2453	=item $maps = cf::map::tmp_maps
…		…
2137		2495
2138	sub unique_maps() {	2496	sub unique_maps() {
2139	[	2497	[
2140	map {	2498	map {
2141	utf8::decode $_;	2499	utf8::decode $_;
2142	/\.map$/	2500	s/\.map$//; # TODO future compatibility hack
		2501	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2502	? ()
2143	? normalise $_	2503	: normalise $_
2144	: ()
2145	} @{ aio_readdir $UNIQUEDIR or [] }	2504	} @{ aio_readdir $UNIQUEDIR or [] }
2146	]	2505	]
2147	}	2506	}
2148		2507
2149	package cf;	2508	=item cf::map::static_maps
		2509
		2510	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2511	file in the shared directory excluding F</styles> and F</editor>). May
		2512	block.
		2513
		2514	=cut
		2515
		2516	sub static_maps() {
		2517	my @dirs = "";
		2518	my @maps;
		2519
		2520	while (@dirs) {
		2521	my $dir = shift @dirs;
		2522
		2523	next if $dir eq "/styles" || $dir eq "/editor";
		2524
		2525	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2526	or return;
		2527
		2528	for (@$files) {
		2529	s/\.map$// or next;
		2530	utf8::decode $_;
		2531	push @maps, "$dir/$_";
		2532	}
		2533
		2534	push @dirs, map "$dir/$_", @$dirs;
		2535	}
		2536
		2537	\@maps
		2538	}
2150		2539
2151	=back	2540	=back
2152		2541
2153	=head3 cf::object	2542	=head3 cf::object
2154		2543
…		…
2158		2547
2159	=over 4	2548	=over 4
2160		2549
2161	=item $ob->inv_recursive	2550	=item $ob->inv_recursive
2162		2551
2163	Returns the inventory of the object _and_ their inventories, recursively.	2552	Returns the inventory of the object I<and> their inventories, recursively,
		2553	but I<not> the object itself.
2164		2554
2165	=cut	2555	=cut
2166		2556
2167	sub inv_recursive_;	2557	sub inv_recursive_;
2168	sub inv_recursive_ {	2558	sub inv_recursive_ {
…		…
2171		2561
2172	sub inv_recursive {	2562	sub inv_recursive {
2173	inv_recursive_ inv $_[0]	2563	inv_recursive_ inv $_[0]
2174	}	2564	}
2175		2565
		2566	=item $ref = $ob->ref
		2567
		2568	Creates and returns a persistent reference to an object that can be stored as a string.
		2569
		2570	=item $ob = cf::object::deref ($refstring)
		2571
		2572	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2573	even if the object actually exists. May block.
		2574
		2575	=cut
		2576
		2577	sub deref {
		2578	my ($ref) = @_;
		2579
		2580	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2581	my ($uuid, $name) = ($1, $2);
		2582	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2583	or return;
		2584	$pl->ob->uuid eq $uuid
		2585	or return;
		2586
		2587	$pl->ob
		2588	} else {
		2589	warn "$ref: cannot resolve object reference\n";
		2590	undef
		2591	}
		2592	}
		2593
2176	package cf;	2594	package cf;
2177		2595
2178	=back	2596	=back
2179		2597
2180	=head3 cf::object::player	2598	=head3 cf::object::player
…		…
2186	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2604	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2187	can be C<undef>. Does the right thing when the player is currently in a	2605	can be C<undef>. Does the right thing when the player is currently in a
2188	dialogue with the given NPC character.	2606	dialogue with the given NPC character.
2189		2607
2190	=cut	2608	=cut
		2609
		2610	our $SAY_CHANNEL = {
		2611	id => "say",
		2612	title => "Map",
		2613	reply => "say ",
		2614	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2615	};
		2616
		2617	our $CHAT_CHANNEL = {
		2618	id => "chat",
		2619	title => "Chat",
		2620	reply => "chat ",
		2621	tooltip => "Player chat and shouts, global to the server.",
		2622	};
2191		2623
2192	# rough implementation of a future "reply" method that works	2624	# rough implementation of a future "reply" method that works
2193	# with dialog boxes.	2625	# with dialog boxes.
2194	#TODO: the first argument must go, split into a $npc->reply_to ( method	2626	#TODO: the first argument must go, split into a $npc->reply_to ( method
2195	sub cf::object::player::reply($$$;$) {	2627	sub cf::object::player::reply($$$;$) {
…		…
2207	my $dialog = $pl->{npc_dialog};	2639	my $dialog = $pl->{npc_dialog};
2208	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2640	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2209		2641
2210	} else {	2642	} else {
2211	$msg = $npc->name . " says: $msg" if $npc;	2643	$msg = $npc->name . " says: $msg" if $npc;
2212	$self->message ($msg, $flags);	2644	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2213	}	2645	}
2214	}	2646	}
2215	}	2647	}
2216		2648
2217	=item $object->send_msg ($channel, $msg, $color, [extra...])	2649	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2242		2674
2243	=item $player_object->enter_link	2675	=item $player_object->enter_link
2244		2676
2245	Freezes the player and moves him/her to a special map (C<{link}>).	2677	Freezes the player and moves him/her to a special map (C<{link}>).
2246		2678
2247	The player should be reasonably safe there for short amounts of time. You	2679	The player should be reasonably safe there for short amounts of time (e.g.
2248	I<MUST> call C<leave_link> as soon as possible, though.	2680	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2681	though, as the player cannot control the character while it is on the link
		2682	map.
2249		2683
2250	Will never block.	2684	Will never block.
2251		2685
2252	=item $player_object->leave_link ($map, $x, $y)	2686	=item $player_object->leave_link ($map, $x, $y)
2253		2687
…		…
2273	sub cf::object::player::enter_link {	2707	sub cf::object::player::enter_link {
2274	my ($self) = @_;	2708	my ($self) = @_;
2275		2709
2276	$self->deactivate_recursive;	2710	$self->deactivate_recursive;
2277		2711
		2712	++$self->{_link_recursion};
		2713
2278	return if UNIVERSAL::isa $self->map, "ext::map_link";	2714	return if UNIVERSAL::isa $self->map, "ext::map_link";
2279		2715
2280	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2716	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2281	if $self->map && $self->map->{path} ne "{link}";	2717	if $self->map && $self->map->{path} ne "{link}";
2282		2718
2283	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2719	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2284	}	2720	}
2285		2721
2286	sub cf::object::player::leave_link {	2722	sub cf::object::player::leave_link {
2287	my ($self, $map, $x, $y) = @_;	2723	my ($self, $map, $x, $y) = @_;
2288		2724
…		…
2305	($x, $y) = (-1, -1)	2741	($x, $y) = (-1, -1)
2306	unless (defined $x) && (defined $y);	2742	unless (defined $x) && (defined $y);
2307		2743
2308	# use -1 or undef as default coordinates, not 0, 0	2744	# use -1 or undef as default coordinates, not 0, 0
2309	($x, $y) = ($map->enter_x, $map->enter_y)	2745	($x, $y) = ($map->enter_x, $map->enter_y)
2310	if $x <=0 && $y <= 0;	2746	if $x <= 0 && $y <= 0;
2311		2747
2312	$map->load;	2748	$map->load;
2313	$map->load_neighbours;	2749	$map->load_neighbours;
2314		2750
2315	return unless $self->contr->active;	2751	return unless $self->contr->active;
2316	$self->activate_recursive;
2317		2752
2318	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2753	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2319	$self->enter_map ($map, $x, $y);	2754	if ($self->enter_map ($map, $x, $y)) {
2320	}	2755	# entering was successful
		2756	delete $self->{_link_recursion};
		2757	# only activate afterwards, to support waiting in hooks
		2758	$self->activate_recursive;
		2759	}
2321		2760
		2761	}
		2762
2322	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2763	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2323		2764
2324	Moves the player to the given map-path and coordinates by first freezing	2765	Moves the player to the given map-path and coordinates by first freezing
2325	her, loading and preparing them map, calling the provided $check callback	2766	her, loading and preparing them map, calling the provided $check callback
2326	that has to return the map if sucecssful, and then unfreezes the player on	2767	that has to return the map if sucecssful, and then unfreezes the player on
2327	the new (success) or old (failed) map position. In either case, $done will	2768	the new (success) or old (failed) map position. In either case, $done will
2328	be called at the end of this process.	2769	be called at the end of this process.
2329		2770
		2771	Note that $check will be called with a potentially non-loaded map, so if
		2772	it needs a loaded map it has to call C<< ->load >>.
		2773
2330	=cut	2774	=cut
2331		2775
2332	our $GOTOGEN;	2776	our $GOTOGEN;
2333		2777
2334	sub cf::object::player::goto {	2778	sub cf::object::player::goto {
2335	my ($self, $path, $x, $y, $check, $done) = @_;	2779	my ($self, $path, $x, $y, $check, $done) = @_;
2336		2780
		2781	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2782	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2783	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2784	($path, $x, $y) = @$EMERGENCY_POSITION;
		2785	}
		2786
2337	# do generation counting so two concurrent goto's will be executed in-order	2787	# do generation counting so two concurrent goto's will be executed in-order
2338	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2788	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2339		2789
2340	$self->enter_link;	2790	$self->enter_link;
2341		2791
2342	(async {	2792	(async {
		2793	$Coro::current->{desc} = "player::goto $path $x $y";
		2794
		2795	# *tag paths override both path and x|y
		2796	if ($path =~ /^\*(.*)$/) {
		2797	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2798	my $ob = $obs[rand @obs];
		2799
		2800	# see if we actually can go there
		2801	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2802	$ob = $obs[rand @obs];
		2803	} else {
		2804	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2805	}
		2806	# else put us there anyways for now #d#
		2807
		2808	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2809	} else {
		2810	($path, $x, $y) = (undef, undef, undef);
		2811	}
		2812	}
		2813
2343	my $map = eval {	2814	my $map = eval {
2344	my $map = cf::map::find $path;	2815	my $map = defined $path ? cf::map::find $path : undef;
2345		2816
2346	if ($map) {	2817	if ($map) {
2347	$map = $map->customise_for ($self);	2818	$map = $map->customise_for ($self);
2348	$map = $check->($map) if $check && $map;	2819	$map = $check->($map, $x, $y, $self) if $check && $map;
2349	} else {	2820	} else {
2350	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2821	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2351	}	2822	}
2352		2823
2353	$map	2824	$map
2354	};	2825	};
2355		2826
…		…
2361	if ($gen == $self->{_goto_generation}) {	2832	if ($gen == $self->{_goto_generation}) {
2362	delete $self->{_goto_generation};	2833	delete $self->{_goto_generation};
2363	$self->leave_link ($map, $x, $y);	2834	$self->leave_link ($map, $x, $y);
2364	}	2835	}
2365		2836
2366	$done->() if $done;	2837	$done->($self) if $done;
2367	})->prio (1);	2838	})->prio (1);
2368	}	2839	}
2369		2840
2370	=item $player_object->enter_exit ($exit_object)	2841	=item $player_object->enter_exit ($exit_object)
2371		2842
…		…
2391	}	2862	}
2392		2863
2393	sub prepare_random_map {	2864	sub prepare_random_map {
2394	my ($exit) = @_;	2865	my ($exit) = @_;
2395		2866
2396	my $guard = cf::lock_acquire "exit_prepare:$exit";
2397
2398	# all this does is basically replace the /! path by	2867	# all this does is basically replace the /! path by
2399	# a new random map path (?random/...) with a seed	2868	# a new random map path (?random/...) with a seed
2400	# that depends on the exit object	2869	# that depends on the exit object
2401		2870
2402	my $rmp = parse_random_map_params $exit->msg;	2871	my $rmp = parse_random_map_params $exit->msg;
…		…
2404	if ($exit->map) {	2873	if ($exit->map) {
2405	$rmp->{region} = $exit->region->name;	2874	$rmp->{region} = $exit->region->name;
2406	$rmp->{origin_map} = $exit->map->path;	2875	$rmp->{origin_map} = $exit->map->path;
2407	$rmp->{origin_x} = $exit->x;	2876	$rmp->{origin_x} = $exit->x;
2408	$rmp->{origin_y} = $exit->y;	2877	$rmp->{origin_y} = $exit->y;
		2878
		2879	$exit->map->touch;
2409	}	2880	}
2410		2881
2411	$rmp->{random_seed} ||= $exit->random_seed;	2882	$rmp->{random_seed} ||= $exit->random_seed;
2412		2883
2413	my $data = cf::to_json $rmp;	2884	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2414	my $md5 = Digest::MD5::md5_hex $data;	2885	my $md5 = Digest::MD5::md5_hex $data;
2415	my $meta = "$RANDOMDIR/$md5.meta";	2886	my $meta = "$RANDOMDIR/$md5.meta";
2416		2887
2417	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2888	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2418	aio_write $fh, 0, (length $data), $data, 0;	2889	aio_write $fh, 0, (length $data), $data, 0;
2419	undef $fh;	2890	undef $fh;
2420	aio_rename "$meta~", $meta;	2891	aio_rename "$meta~", $meta;
2421		2892
		2893	my $slaying = "?random/$md5";
		2894
		2895	if ($exit->valid) {
2422	$exit->slaying ("?random/$md5");	2896	$exit->slaying ("?random/$md5");
2423	$exit->msg (undef);	2897	$exit->msg (undef);
		2898	}
2424	}	2899	}
2425	}	2900	}
2426		2901
2427	sub cf::object::player::enter_exit {	2902	sub cf::object::player::enter_exit {
2428	my ($self, $exit) = @_;	2903	my ($self, $exit) = @_;
2429		2904
2430	return unless $self->type == cf::PLAYER;	2905	return unless $self->type == cf::PLAYER;
2431		2906
2432	if ($exit->slaying eq "/!") {
2433	#TODO: this should de-fi-ni-te-ly not be a sync-job
2434	# the problem is that $exit might not survive long enough
2435	# so it needs to be done right now, right here
2436	cf::sync_job { prepare_random_map $exit };
2437	}
2438
2439	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2440	my $hp = $exit->stats->hp;
2441	my $sp = $exit->stats->sp;
2442
2443	$self->enter_link;	2907	$self->enter_link;
2444		2908
2445	# if exit is damned, update players death & WoR home-position
2446	$self->contr->savebed ($slaying, $hp, $sp)
2447	if $exit->flag (FLAG_DAMNED);
2448
2449	(async {	2909	(async {
2450	$self->deactivate_recursive; # just to be sure	2910	$Coro::current->{desc} = "enter_exit";
		2911
2451	unless (eval {	2912	unless (eval {
		2913	$self->deactivate_recursive; # just to be sure
		2914
		2915	# random map handling
		2916	{
		2917	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2918
		2919	prepare_random_map $exit
		2920	if $exit->slaying eq "/!";
		2921	}
		2922
		2923	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2924	my $x = $exit->stats->hp;
		2925	my $y = $exit->stats->sp;
		2926
2452	$self->goto ($slaying, $hp, $sp);	2927	$self->goto ($map, $x, $y);
2453		2928
		2929	# if exit is damned, update players death & WoR home-position
		2930	$self->contr->savebed ($map, $x, $y)
		2931	if $exit->flag (cf::FLAG_DAMNED);
		2932
2454	1;	2933	1
2455	}) {	2934	}) {
2456	$self->message ("Something went wrong deep within the crossfire server. "	2935	$self->message ("Something went wrong deep within the deliantra server. "
2457	. "I'll try to bring you back to the map you were before. "	2936	. "I'll try to bring you back to the map you were before. "
2458	. "Please report this to the dungeon master!",	2937	. "Please report this to the dungeon master!",
2459	cf::NDI_UNIQUE | cf::NDI_RED);	2938	cf::NDI_UNIQUE | cf::NDI_RED);
2460		2939
2461	warn "ERROR in enter_exit: $@";	2940	error "ERROR in enter_exit: $@";
2462	$self->leave_link;	2941	$self->leave_link;
2463	}	2942	}
2464	})->prio (1);	2943	})->prio (1);
2465	}	2944	}
2466		2945
…		…
2478	sub cf::client::send_drawinfo {	2957	sub cf::client::send_drawinfo {
2479	my ($self, $text, $flags) = @_;	2958	my ($self, $text, $flags) = @_;
2480		2959
2481	utf8::encode $text;	2960	utf8::encode $text;
2482	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2961	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2962	}
		2963
		2964	=item $client->send_big_packet ($pkt)
		2965
		2966	Like C<send_packet>, but tries to compress large packets, and fragments
		2967	them as required.
		2968
		2969	=cut
		2970
		2971	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2972
		2973	sub cf::client::send_big_packet {
		2974	my ($self, $pkt) = @_;
		2975
		2976	# try lzf for large packets
		2977	$pkt = "lzf " . Compress::LZF::compress $pkt
		2978	if 1024 <= length $pkt and $self->{can_lzf};
		2979
		2980	# split very large packets
		2981	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2982	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2983	$pkt = "frag";
		2984	}
		2985
		2986	$self->send_packet ($pkt);
2483	}	2987	}
2484		2988
2485	=item $client->send_msg ($channel, $msg, $color, [extra...])	2989	=item $client->send_msg ($channel, $msg, $color, [extra...])
2486		2990
2487	Send a drawinfo or msg packet to the client, formatting the msg for the	2991	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2489	the message, with C<log> being the default. If C<$color> is negative, suppress	2993	the message, with C<log> being the default. If C<$color> is negative, suppress
2490	the message unless the client supports the msg packet.	2994	the message unless the client supports the msg packet.
2491		2995
2492	=cut	2996	=cut
2493		2997
		2998	# non-persistent channels (usually the info channel)
		2999	our %CHANNEL = (
		3000	"c/motd" => {
		3001	id => "infobox",
		3002	title => "MOTD",
		3003	reply => undef,
		3004	tooltip => "The message of the day",
		3005	},
		3006	"c/identify" => {
		3007	id => "infobox",
		3008	title => "Identify",
		3009	reply => undef,
		3010	tooltip => "Items recently identified",
		3011	},
		3012	"c/examine" => {
		3013	id => "infobox",
		3014	title => "Examine",
		3015	reply => undef,
		3016	tooltip => "Signs and other items you examined",
		3017	},
		3018	"c/shopinfo" => {
		3019	id => "infobox",
		3020	title => "Shop Info",
		3021	reply => undef,
		3022	tooltip => "What your bargaining skill tells you about the shop",
		3023	},
		3024	"c/book" => {
		3025	id => "infobox",
		3026	title => "Book",
		3027	reply => undef,
		3028	tooltip => "The contents of a note or book",
		3029	},
		3030	"c/lookat" => {
		3031	id => "infobox",
		3032	title => "Look",
		3033	reply => undef,
		3034	tooltip => "What you saw there",
		3035	},
		3036	"c/who" => {
		3037	id => "infobox",
		3038	title => "Players",
		3039	reply => undef,
		3040	tooltip => "Shows players who are currently online",
		3041	},
		3042	"c/body" => {
		3043	id => "infobox",
		3044	title => "Body Parts",
		3045	reply => undef,
		3046	tooltip => "Shows which body parts you posess and are available",
		3047	},
		3048	"c/statistics" => {
		3049	id => "infobox",
		3050	title => "Statistics",
		3051	reply => undef,
		3052	tooltip => "Shows your primary statistics",
		3053	},
		3054	"c/skills" => {
		3055	id => "infobox",
		3056	title => "Skills",
		3057	reply => undef,
		3058	tooltip => "Shows your experience per skill and item power",
		3059	},
		3060	"c/shopitems" => {
		3061	id => "infobox",
		3062	title => "Shop Items",
		3063	reply => undef,
		3064	tooltip => "Shows the items currently for sale in this shop",
		3065	},
		3066	"c/resistances" => {
		3067	id => "infobox",
		3068	title => "Resistances",
		3069	reply => undef,
		3070	tooltip => "Shows your resistances",
		3071	},
		3072	"c/pets" => {
		3073	id => "infobox",
		3074	title => "Pets",
		3075	reply => undef,
		3076	tooltip => "Shows information abotu your pets/a specific pet",
		3077	},
		3078	"c/perceiveself" => {
		3079	id => "infobox",
		3080	title => "Perceive Self",
		3081	reply => undef,
		3082	tooltip => "You gained detailed knowledge about yourself",
		3083	},
		3084	"c/uptime" => {
		3085	id => "infobox",
		3086	title => "Uptime",
		3087	reply => undef,
		3088	tooltip => "How long the server has been running since last restart",
		3089	},
		3090	"c/mapinfo" => {
		3091	id => "infobox",
		3092	title => "Map Info",
		3093	reply => undef,
		3094	tooltip => "Information related to the maps",
		3095	},
		3096	"c/party" => {
		3097	id => "party",
		3098	title => "Party",
		3099	reply => "gsay ",
		3100	tooltip => "Messages and chat related to your party",
		3101	},
		3102	"c/death" => {
		3103	id => "death",
		3104	title => "Death",
		3105	reply => undef,
		3106	tooltip => "Reason for and more info about your most recent death",
		3107	},
		3108	"c/say" => $SAY_CHANNEL,
		3109	"c/chat" => $CHAT_CHANNEL,
		3110	);
		3111
2494	sub cf::client::send_msg {	3112	sub cf::client::send_msg {
2495	my ($self, $channel, $msg, $color, @extra) = @_;	3113	my ($self, $channel, $msg, $color, @extra) = @_;
2496		3114
2497	$msg = $self->pl->expand_cfpod ($msg);	3115	$msg = $self->pl->expand_cfpod ($msg)
		3116	unless $color & cf::NDI_VERBATIM;
2498		3117
2499	$color &= cf::NDI_CLIENT_MASK; # just in case...	3118	$color &= cf::NDI_CLIENT_MASK; # just in case...
2500		3119
		3120	# check predefined channels, for the benefit of C
		3121	if ($CHANNEL{$channel}) {
		3122	$channel = $CHANNEL{$channel};
		3123
		3124	$self->ext_msg (channel_info => $channel);
		3125	$channel = $channel->{id};
		3126
2501	if (ref $channel) {	3127	} elsif (ref $channel) {
2502	# send meta info to client, if not yet sent	3128	# send meta info to client, if not yet sent
2503	unless (exists $self->{channel}{$channel->{id}}) {	3129	unless (exists $self->{channel}{$channel->{id}}) {
2504	$self->{channel}{$channel->{id}} = $channel;	3130	$self->{channel}{$channel->{id}} = $channel;
2505	$self->ext_msg (channel_info => $channel);	3131	$self->ext_msg (channel_info => $channel);
2506	}	3132	}
…		…
2508	$channel = $channel->{id};	3134	$channel = $channel->{id};
2509	}	3135	}
2510		3136
2511	return unless @extra || length $msg;	3137	return unless @extra || length $msg;
2512		3138
2513	if ($self->can_msg) {
2514	# default colour, mask it out	3139	# default colour, mask it out
2515	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3140	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2516	if $color & cf::NDI_DEF;	3141	if $color & cf::NDI_DEF;
2517		3142
2518	$self->send_packet ("msg " . $self->{json_coder}->encode (	3143	my $pkt = "msg "
		3144	. $self->{json_coder}->encode (
2519	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3145	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2520	} else {	3146	);
2521	if ($color >= 0) {
2522	# replace some tags by gcfclient-compatible ones
2523	for ($msg) {
2524	1 while
2525	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2526	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2527	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2528	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2529	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2530	}
2531		3147
2532	$color &= cf::NDI_COLOR_MASK;	3148	$self->send_big_packet ($pkt);
2533
2534	utf8::encode $msg;
2535
2536	if (0 && $msg =~ /\[/) {
2537	# COMMAND/INFO
2538	$self->send_packet ("drawextinfo $color 10 8 $msg")
2539	} else {
2540	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2541	$self->send_packet ("drawinfo $color $msg")
2542	}
2543	}
2544	}
2545	}	3149	}
2546		3150
2547	=item $client->ext_msg ($type, @msg)	3151	=item $client->ext_msg ($type, @msg)
2548		3152
2549	Sends an ext event to the client.	3153	Sends an ext event to the client.
…		…
2551	=cut	3155	=cut
2552		3156
2553	sub cf::client::ext_msg($$@) {	3157	sub cf::client::ext_msg($$@) {
2554	my ($self, $type, @msg) = @_;	3158	my ($self, $type, @msg) = @_;
2555		3159
2556	my $extcmd = $self->extcmd;
2557
2558	if ($extcmd == 2) {	3160	if ($self->extcmd == 2) {
2559	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3161	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2560	} elsif ($extcmd == 1) { # TODO: remove	3162	} elsif ($self->extcmd == 1) { # TODO: remove
2561	push @msg, msgtype => "event_$type";	3163	push @msg, msgtype => "event_$type";
2562	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3164	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2563	}	3165	}
2564	}	3166	}
2565		3167
2566	=item $client->ext_reply ($msgid, @msg)	3168	=item $client->ext_reply ($msgid, @msg)
2567		3169
…		…
2571		3173
2572	sub cf::client::ext_reply($$@) {	3174	sub cf::client::ext_reply($$@) {
2573	my ($self, $id, @msg) = @_;	3175	my ($self, $id, @msg) = @_;
2574		3176
2575	if ($self->extcmd == 2) {	3177	if ($self->extcmd == 2) {
2576	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3178	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2577	} elsif ($self->ns->extcmd == 1) {	3179	} elsif ($self->extcmd == 1) {
2578	#TODO: version 1, remove	3180	#TODO: version 1, remove
2579	unshift @msg, msgtype => "reply", msgid => $id;	3181	unshift @msg, msgtype => "reply", msgid => $id;
2580	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3182	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2581	}	3183	}
2582	}	3184	}
2583		3185
2584	=item $success = $client->query ($flags, "text", \&cb)	3186	=item $success = $client->query ($flags, "text", \&cb)
2585		3187
…		…
2646	my ($type, $reply, @payload) =	3248	my ($type, $reply, @payload) =
2647	"ARRAY" eq ref $msg	3249	"ARRAY" eq ref $msg
2648	? @$msg	3250	? @$msg
2649	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	3251	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2650		3252
		3253	my @reply;
		3254
2651	if (my $cb = $EXTICMD{$type}) {	3255	if (my $cb = $EXTICMD{$type}) {
2652	my @reply = $cb->($ns, @payload);	3256	@reply = $cb->($ns, @payload);
2653
2654	$ns->ext_reply ($reply, @reply)
2655	if $reply;
2656	}	3257	}
		3258
		3259	$ns->ext_reply ($reply, @reply)
		3260	if $reply;
		3261
2657	} else {	3262	} else {
2658	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3263	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2659	}	3264	}
2660		3265
2661	cf::override;	3266	cf::override;
2662	},	3267	},
2663	);	3268	);
…		…
2683		3288
2684	$coro	3289	$coro
2685	}	3290	}
2686		3291
2687	cf::client->attach (	3292	cf::client->attach (
2688	on_destroy => sub {	3293	on_client_destroy => sub {
2689	my ($ns) = @_;	3294	my ($ns) = @_;
2690		3295
2691	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3296	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2692	},	3297	},
2693	);	3298	);
…		…
2709	our $safe_hole = new Safe::Hole;	3314	our $safe_hole = new Safe::Hole;
2710		3315
2711	$SIG{FPE} = 'IGNORE';	3316	$SIG{FPE} = 'IGNORE';
2712		3317
2713	$safe->permit_only (Opcode::opset qw(	3318	$safe->permit_only (Opcode::opset qw(
2714	:base_core :base_mem :base_orig :base_math	3319	:base_core :base_mem :base_orig :base_math :base_loop
2715	grepstart grepwhile mapstart mapwhile	3320	grepstart grepwhile mapstart mapwhile
2716	sort time	3321	sort time
2717	));	3322	));
2718		3323
2719	# here we export the classes and methods available to script code	3324	# here we export the classes and methods available to script code
…		…
2721	=pod	3326	=pod
2722		3327
2723	The following functions and methods are available within a safe environment:	3328	The following functions and methods are available within a safe environment:
2724		3329
2725	cf::object	3330	cf::object
2726	contr pay_amount pay_player map x y force_find force_add	3331	contr pay_amount pay_player map x y force_find force_add destroy
2727	insert remove name archname title slaying race	3332	insert remove name archname title slaying race decrease split
		3333	value
2728		3334
2729	cf::object::player	3335	cf::object::player
2730	player	3336	player
2731		3337
2732	cf::player	3338	cf::player
…		…
2737		3343
2738	=cut	3344	=cut
2739		3345
2740	for (	3346	for (
2741	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3347	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2742	insert remove inv name archname title slaying race)],	3348	insert remove inv nrof name archname title slaying race
		3349	decrease split destroy change_exp value msg lore send_msg)],
2743	["cf::object::player" => qw(player)],	3350	["cf::object::player" => qw(player)],
2744	["cf::player" => qw(peaceful)],	3351	["cf::player" => qw(peaceful send_msg)],
2745	["cf::map" => qw(trigger)],	3352	["cf::map" => qw(trigger)],
2746	) {	3353	) {
2747	no strict 'refs';
2748	my ($pkg, @funs) = @$_;	3354	my ($pkg, @funs) = @$_;
2749	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3355	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2750	for @funs;	3356	for @funs;
2751	}	3357	}
2752		3358
…		…
2767		3373
2768	my $qcode = $code;	3374	my $qcode = $code;
2769	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3375	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2770	$qcode =~ s/\n/\\n/g;	3376	$qcode =~ s/\n/\\n/g;
2771		3377
		3378	%vars = (_dummy => 0) unless %vars;
		3379
		3380	my @res;
2772	local $_;	3381	local $_;
2773	local @safe::cf::_safe_eval_args = values %vars;
2774		3382
2775	my $eval =	3383	my $eval =
2776	"do {\n"	3384	"do {\n"
2777	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3385	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2778	. "#line 0 \"{$qcode}\"\n"	3386	. "#line 0 \"{$qcode}\"\n"
2779	. $code	3387	. $code
2780	. "\n}"	3388	. "\n}"
2781	;	3389	;
2782		3390
		3391	if ($CFG{safe_eval}) {
2783	sub_generation_inc;	3392	sub_generation_inc;
		3393	local @safe::cf::_safe_eval_args = values %vars;
2784	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3394	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2785	sub_generation_inc;	3395	sub_generation_inc;
		3396	} else {
		3397	local @cf::_safe_eval_args = values %vars;
		3398	@res = wantarray ? eval eval : scalar eval $eval;
		3399	}
2786		3400
2787	if ($@) {	3401	if ($@) {
2788	warn "$@";	3402	warn "$@",
2789	warn "while executing safe code '$code'\n";	3403	"while executing safe code '$code'\n",
2790	warn "with arguments " . (join " ", %vars) . "\n";	3404	"with arguments " . (join " ", %vars) . "\n";
2791	}	3405	}
2792		3406
2793	wantarray ? @res : $res[0]	3407	wantarray ? @res : $res[0]
2794	}	3408	}
2795		3409
…		…
2809	=cut	3423	=cut
2810		3424
2811	sub register_script_function {	3425	sub register_script_function {
2812	my ($fun, $cb) = @_;	3426	my ($fun, $cb) = @_;
2813		3427
2814	no strict 'refs';	3428	$fun = "safe::$fun" if $CFG{safe_eval};
2815	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3429	*$fun = $safe_hole->wrap ($cb);
2816	}	3430	}
2817		3431
2818	=back	3432	=back
2819		3433
2820	=cut	3434	=cut
…		…
2823	# the server's init and main functions	3437	# the server's init and main functions
2824		3438
2825	sub load_facedata($) {	3439	sub load_facedata($) {
2826	my ($path) = @_;	3440	my ($path) = @_;
2827		3441
		3442	# HACK to clear player env face cache, we need some signal framework
		3443	# for this (global event?)
		3444	%ext::player_env::MUSIC_FACE_CACHE = ();
		3445
2828	my $enc = JSON::XS->new->utf8->canonical;	3446	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2829		3447
2830	warn "loading facedata from $path\n";	3448	trace "loading facedata from $path\n";
2831		3449
2832	my $facedata;	3450	my $facedata = decode_storable load_file $path;
2833	0 < aio_load $path, $facedata
2834	or die "$path: $!";
2835
2836	$facedata = Coro::Storable::thaw $facedata;
2837		3451
2838	$facedata->{version} == 2	3452	$facedata->{version} == 2
2839	or cf::cleanup "$path: version mismatch, cannot proceed.";	3453	or cf::cleanup "$path: version mismatch, cannot proceed.";
2840		3454
2841	# patch in the exptable	3455	# patch in the exptable
		3456	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2842	$facedata->{resource}{"res/exp_table"} = {	3457	$facedata->{resource}{"res/exp_table"} = {
2843	type => FT_RSRC,	3458	type => FT_RSRC,
2844	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3459	data => $exp_table,
		3460	hash => (Digest::MD5::md5 $exp_table),
2845	};	3461	};
2846	cf::cede_to_tick;	3462	cf::cede_to_tick;
2847		3463
2848	{	3464	{
2849	my $faces = $facedata->{faceinfo};	3465	my $faces = $facedata->{faceinfo};
2850		3466
2851	while (my ($face, $info) = each %$faces) {	3467	while (my ($face, $info) = each %$faces) {
2852	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3468	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3469
2853	cf::face::set_visibility $idx, $info->{visibility};	3470	cf::face::set_visibility $idx, $info->{visibility};
2854	cf::face::set_magicmap $idx, $info->{magicmap};	3471	cf::face::set_magicmap $idx, $info->{magicmap};
2855	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3472	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2856	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3473	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3474	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2857		3475
2858	cf::cede_to_tick;	3476	cf::cede_to_tick;
2859	}	3477	}
2860		3478
2861	while (my ($face, $info) = each %$faces) {	3479	while (my ($face, $info) = each %$faces) {
2862	next unless $info->{smooth};	3480	next unless $info->{smooth};
		3481
2863	my $idx = cf::face::find $face	3482	my $idx = cf::face::find $face
2864	or next;	3483	or next;
		3484
2865	if (my $smooth = cf::face::find $info->{smooth}) {	3485	if (my $smooth = cf::face::find $info->{smooth}) {
2866	cf::face::set_smooth $idx, $smooth;	3486	cf::face::set_smooth $idx, $smooth;
2867	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3487	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2868	} else {	3488	} else {
2869	warn "smooth face '$info->{smooth}' not found for face '$face'";	3489	error "smooth face '$info->{smooth}' not found for face '$face'";
2870	}	3490	}
2871		3491
2872	cf::cede_to_tick;	3492	cf::cede_to_tick;
2873	}	3493	}
2874	}	3494	}
…		…
2883		3503
2884	cf::anim::invalidate_all; # d'oh	3504	cf::anim::invalidate_all; # d'oh
2885	}	3505	}
2886		3506
2887	{	3507	{
2888	# TODO: for gcfclient pleasure, we should give resources
2889	# that gcfclient doesn't grok a >10000 face index.
2890	my $res = $facedata->{resource};	3508	my $res = $facedata->{resource};
2891		3509
2892	my $soundconf = delete $res->{"res/sound.conf"};
2893
2894	while (my ($name, $info) = each %$res) {	3510	while (my ($name, $info) = each %$res) {
		3511	if (defined $info->{type}) {
2895	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3512	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2896	my $data;
2897		3513
2898	if ($info->{type} & 1) {	3514	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2899	# prepend meta info	3515	cf::face::set_type $idx, $info->{type};
2900
2901	my $meta = $enc->encode ({
2902	name => $name,
2903	%{ $info->{meta} || {} },
2904	});
2905
2906	$data = pack "(w/a*)*", $meta, $info->{data};
2907	} else {	3516	} else {
2908	$data = $info->{data};	3517	$RESOURCE{$name} = $info; # unused
2909	}	3518	}
2910		3519
2911	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2912	cf::face::set_type $idx, $info->{type};
2913
2914	cf::cede_to_tick;	3520	cf::cede_to_tick;
2915	}	3521	}
2916
2917	if ($soundconf) {
2918	$soundconf = $enc->decode (delete $soundconf->{data});
2919
2920	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2921	my $sound = $soundconf->{compat}[$_]
2922	or next;
2923
2924	my $face = cf::face::find "sound/$sound->[1]";
2925	cf::sound::set $sound->[0] => $face;
2926	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2927	}
2928
2929	while (my ($k, $v) = each %{$soundconf->{event}}) {
2930	my $face = cf::face::find "sound/$v";
2931	cf::sound::set $k => $face;
2932	}
2933	}
2934	}	3522	}
		3523
		3524	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2935		3525
2936	1	3526	1
2937	}	3527	}
2938		3528
2939	register_exticmd fx_want => sub {	3529	register_exticmd fx_want => sub {
…		…
2942	while (my ($k, $v) = each %$want) {	3532	while (my ($k, $v) = each %$want) {
2943	$ns->fx_want ($k, $v);	3533	$ns->fx_want ($k, $v);
2944	}	3534	}
2945	};	3535	};
2946		3536
		3537	sub load_resource_file($) {
		3538	my $guard = lock_acquire "load_resource_file";
		3539
		3540	my $status = load_resource_file_ $_[0];
		3541	get_slot 0.1, 100;
		3542	cf::arch::commit_load;
		3543
		3544	$status
		3545	}
		3546
2947	sub reload_regions {	3547	sub reload_regions {
		3548	# HACK to clear player env face cache, we need some signal framework
		3549	# for this (global event?)
		3550	%ext::player_env::MUSIC_FACE_CACHE = ();
		3551
2948	load_resource_file "$MAPDIR/regions"	3552	load_resource_file "$MAPDIR/regions"
2949	or die "unable to load regions file\n";	3553	or die "unable to load regions file\n";
2950		3554
2951	for (cf::region::list) {	3555	for (cf::region::list) {
2952	$_->{match} = qr/$_->{match}/	3556	$_->{match} = qr/$_->{match}/
…		…
2960	}	3564	}
2961		3565
2962	sub reload_archetypes {	3566	sub reload_archetypes {
2963	load_resource_file "$DATADIR/archetypes"	3567	load_resource_file "$DATADIR/archetypes"
2964	or die "unable to load archetypes\n";	3568	or die "unable to load archetypes\n";
2965	#d# NEED to laod twice to resolve forward references
2966	# this really needs to be done in an extra post-pass
2967	# (which needs to be synchronous, so solve it differently)
2968	load_resource_file "$DATADIR/archetypes"
2969	or die "unable to load archetypes\n";
2970	}	3569	}
2971		3570
2972	sub reload_treasures {	3571	sub reload_treasures {
2973	load_resource_file "$DATADIR/treasures"	3572	load_resource_file "$DATADIR/treasures"
2974	or die "unable to load treasurelists\n";	3573	or die "unable to load treasurelists\n";
2975	}	3574	}
2976		3575
		3576	sub reload_sound {
		3577	trace "loading sound config from $DATADIR/sound\n";
		3578
		3579	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3580
		3581	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3582	my $sound = $soundconf->{compat}[$_]
		3583	or next;
		3584
		3585	my $face = cf::face::find "sound/$sound->[1]";
		3586	cf::sound::set $sound->[0] => $face;
		3587	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3588	}
		3589
		3590	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3591	my $face = cf::face::find "sound/$v";
		3592	cf::sound::set $k => $face;
		3593	}
		3594	}
		3595
2977	sub reload_resources {	3596	sub reload_resources {
2978	warn "reloading resource files...\n";	3597	trace "reloading resource files...\n";
2979		3598
		3599	reload_exp_table;
		3600	reload_materials;
		3601	reload_facedata;
		3602	reload_sound;
		3603	reload_archetypes;
2980	reload_regions;	3604	reload_regions;
2981	reload_facedata;
2982	#reload_archetypes;#d#
2983	reload_archetypes;
2984	reload_treasures;	3605	reload_treasures;
2985		3606
2986	warn "finished reloading resource files\n";	3607	trace "finished reloading resource files\n";
2987	}	3608	}
2988		3609
2989	sub init {	3610	sub reload_config {
2990	reload_resources;	3611	trace "reloading config file...\n";
2991	}
2992		3612
2993	sub cfg_load {	3613	my $config = load_file "$CONFDIR/config";
2994	open my $fh, "<:utf8", "$CONFDIR/config"	3614	utf8::decode $config;
2995	or return;	3615	*CFG = decode_yaml $config;
2996		3616
2997	local $/;
2998	*CFG = YAML::Syck::Load <$fh>;
2999
3000	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3617	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3001		3618
3002	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3619	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3003	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3620	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3004		3621
3005	if (exists $CFG{mlockall}) {	3622	if (exists $CFG{mlockall}) {
…		…
3009	};	3626	};
3010	warn $@ if $@;	3627	warn $@ if $@;
3011	}	3628	}
3012	}	3629	}
3013		3630
		3631	sub pidfile() {
		3632	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3633	or die "$PIDFILE: $!";
		3634	flock $fh, &Fcntl::LOCK_EX
		3635	or die "$PIDFILE: flock: $!";
		3636	$fh
		3637	}
		3638
		3639	# make sure only one server instance is running at any one time
		3640	sub atomic {
		3641	my $fh = pidfile;
		3642
		3643	my $pid = <$fh>;
		3644	kill 9, $pid if $pid > 0;
		3645
		3646	seek $fh, 0, 0;
		3647	print $fh $$;
		3648	}
		3649
		3650	sub main_loop {
		3651	trace "EV::loop starting\n";
		3652	if (1) {
		3653	EV::loop;
		3654	}
		3655	trace "EV::loop returned\n";
		3656	goto &main_loop unless $REALLY_UNLOOP;
		3657	}
		3658
3014	sub main {	3659	sub main {
		3660	cf::init_globals; # initialise logging
		3661
		3662	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3663	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3664	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3665	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3666
		3667	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3668
3015	# we must not ever block the main coroutine	3669	# we must not ever block the main coroutine
3016	local $Coro::idle = sub {	3670	local $Coro::idle = sub {
3017	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3671	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3018	(async {	3672	(async {
3019	Event::one_event;	3673	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3674	EV::loop EV::LOOP_ONESHOT;
3020	})->prio (Coro::PRIO_MAX);	3675	})->prio (Coro::PRIO_MAX);
3021	};	3676	};
3022		3677
3023	cfg_load;	3678	evthread_start IO::AIO::poll_fileno;
		3679
		3680	cf::sync_job {
		3681	cf::incloader::init ();
		3682
		3683	cf::init_anim;
		3684	cf::init_attackmess;
		3685	cf::init_dynamic;
		3686
		3687	cf::load_settings;
		3688
		3689	reload_resources;
		3690	reload_config;
3024	db_init;	3691	db_init;
		3692
		3693	cf::init_uuid;
		3694	cf::init_signals;
		3695	cf::init_skills;
		3696
		3697	cf::init_beforeplay;
		3698
		3699	atomic;
		3700
3025	load_extensions;	3701	load_extensions;
3026		3702
3027	$TICK_WATCHER->start;	3703	utime time, time, $RUNTIMEFILE;
3028	Event::loop;	3704
		3705	# no (long-running) fork's whatsoever before this point(!)
		3706	use POSIX ();
		3707	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3708
		3709	cf::_post_init 0;
		3710	};
		3711
		3712	cf::object::thawer::errors_are_fatal 0;
		3713	info "parse errors in files are no longer fatal from this point on.\n";
		3714
		3715	my $free_main; $free_main = EV::idle sub {
		3716	undef $free_main;
		3717	undef &main; # free gobs of memory :)
		3718	};
		3719
		3720	goto &main_loop;
3029	}	3721	}
3030		3722
3031	#############################################################################	3723	#############################################################################
3032	# initialisation and cleanup	3724	# initialisation and cleanup
3033		3725
3034	# install some emergency cleanup handlers	3726	# install some emergency cleanup handlers
3035	BEGIN {	3727	BEGIN {
		3728	our %SIGWATCHER = ();
3036	for my $signal (qw(INT HUP TERM)) {	3729	for my $signal (qw(INT HUP TERM)) {
3037	Event->signal (	3730	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3038	reentrant => 0,
3039	data => WF_AUTOCANCEL,
3040	signal => $signal,
3041	prio => 0,
3042	cb => sub {
3043	cf::cleanup "SIG$signal";	3731	cf::cleanup "SIG$signal";
3044	},
3045	);	3732	};
3046	}	3733	}
3047	}	3734	}
3048		3735
3049	sub write_runtime {	3736	sub write_runtime_sync {
3050	my $runtime = "$LOCALDIR/runtime";	3737	my $t0 = AE::time;
3051		3738
3052	# first touch the runtime file to show we are still running:	3739	# first touch the runtime file to show we are still running:
3053	# the fsync below can take a very very long time.	3740	# the fsync below can take a very very long time.
3054		3741
3055	IO::AIO::aio_utime $runtime, undef, undef;	3742	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3056		3743
3057	my $guard = cf::lock_acquire "write_runtime";	3744	my $guard = cf::lock_acquire "write_runtime";
3058		3745
3059	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3746	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3060	or return;	3747	or return;
3061		3748
3062	my $value = $cf::RUNTIME + 90 + 10;	3749	my $value = $cf::RUNTIME + 90 + 10;
3063	# 10 is the runtime save interval, for a monotonic clock	3750	# 10 is the runtime save interval, for a monotonic clock
3064	# 60 allows for the watchdog to kill the server.	3751	# 60 allows for the watchdog to kill the server.
…		…
3074	aio_utime $fh, undef, undef;	3761	aio_utime $fh, undef, undef;
3075		3762
3076	close $fh	3763	close $fh
3077	or return;	3764	or return;
3078		3765
3079	aio_rename "$runtime~", $runtime	3766	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3080	and return;	3767	and return;
3081		3768
3082	warn "runtime file written.\n";	3769	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3083		3770
3084	1	3771	1
		3772	}
		3773
		3774	our $uuid_lock;
		3775	our $uuid_skip;
		3776
		3777	sub write_uuid_sync($) {
		3778	$uuid_skip ||= $_[0];
		3779
		3780	return if $uuid_lock;
		3781	local $uuid_lock = 1;
		3782
		3783	my $uuid = "$LOCALDIR/uuid";
		3784
		3785	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3786	or return;
		3787
		3788	my $value = uuid_seq uuid_cur;
		3789
		3790	unless ($value) {
		3791	info "cowardly refusing to write zero uuid value!\n";
		3792	return;
		3793	}
		3794
		3795	my $value = uuid_str $value + $uuid_skip;
		3796	$uuid_skip = 0;
		3797
		3798	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3799	and return;
		3800
		3801	# always fsync - this file is important
		3802	aio_fsync $fh
		3803	and return;
		3804
		3805	close $fh
		3806	or return;
		3807
		3808	aio_rename "$uuid~", $uuid
		3809	and return;
		3810
		3811	trace "uuid file written ($value).\n";
		3812
		3813	1
		3814
		3815	}
		3816
		3817	sub write_uuid($$) {
		3818	my ($skip, $sync) = @_;
		3819
		3820	$sync ? write_uuid_sync $skip
		3821	: async { write_uuid_sync $skip };
3085	}	3822	}
3086		3823
3087	sub emergency_save() {	3824	sub emergency_save() {
3088	my $freeze_guard = cf::freeze_mainloop;	3825	my $freeze_guard = cf::freeze_mainloop;
3089		3826
3090	warn "enter emergency perl save\n";	3827	info "emergency_perl_save: enter\n";
		3828
		3829	# this is a trade-off: we want to be very quick here, so
		3830	# save all maps without fsync, and later call a global sync
		3831	# (which in turn might be very very slow)
		3832	local $USE_FSYNC = 0;
3091		3833
3092	cf::sync_job {	3834	cf::sync_job {
		3835	cf::write_runtime_sync; # external watchdog should not bark
		3836
3093	# use a peculiar iteration method to avoid tripping on perl	3837	# use a peculiar iteration method to avoid tripping on perl
3094	# refcount bugs in for. also avoids problems with players	3838	# refcount bugs in for. also avoids problems with players
3095	# and maps saved/destroyed asynchronously.	3839	# and maps saved/destroyed asynchronously.
3096	warn "begin emergency player save\n";	3840	info "emergency_perl_save: begin player save\n";
3097	for my $login (keys %cf::PLAYER) {	3841	for my $login (keys %cf::PLAYER) {
3098	my $pl = $cf::PLAYER{$login} or next;	3842	my $pl = $cf::PLAYER{$login} or next;
3099	$pl->valid or next;	3843	$pl->valid or next;
		3844	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3100	$pl->save;	3845	$pl->save;
3101	}	3846	}
3102	warn "end emergency player save\n";	3847	info "emergency_perl_save: end player save\n";
3103		3848
3104	warn "begin emergency map save\n";	3849	cf::write_runtime_sync; # external watchdog should not bark
		3850
		3851	info "emergency_perl_save: begin map save\n";
3105	for my $path (keys %cf::MAP) {	3852	for my $path (keys %cf::MAP) {
3106	my $map = $cf::MAP{$path} or next;	3853	my $map = $cf::MAP{$path} or next;
3107	$map->valid or next;	3854	$map->valid or next;
3108	$map->save;	3855	$map->save;
3109	}	3856	}
3110	warn "end emergency map save\n";	3857	info "emergency_perl_save: end map save\n";
3111		3858
3112	warn "begin emergency database checkpoint\n";	3859	cf::write_runtime_sync; # external watchdog should not bark
		3860
		3861	info "emergency_perl_save: begin database checkpoint\n";
3113	BDB::db_env_txn_checkpoint $DB_ENV;	3862	BDB::db_env_txn_checkpoint $DB_ENV;
3114	warn "end emergency database checkpoint\n";	3863	info "emergency_perl_save: end database checkpoint\n";
		3864
		3865	info "emergency_perl_save: begin write uuid\n";
		3866	write_uuid_sync 1;
		3867	info "emergency_perl_save: end write uuid\n";
		3868
		3869	cf::write_runtime_sync; # external watchdog should not bark
		3870
		3871	trace "emergency_perl_save: syncing database to disk";
		3872	BDB::db_env_txn_checkpoint $DB_ENV;
		3873
		3874	info "emergency_perl_save: starting sync\n";
		3875	IO::AIO::aio_sync sub {
		3876	info "emergency_perl_save: finished sync\n";
		3877	};
		3878
		3879	cf::write_runtime_sync; # external watchdog should not bark
		3880
		3881	trace "emergency_perl_save: flushing outstanding aio requests";
		3882	while (IO::AIO::nreqs || BDB::nreqs) {
		3883	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3884	}
		3885
		3886	cf::write_runtime_sync; # external watchdog should not bark
3115	};	3887	};
3116		3888
3117	warn "leave emergency perl save\n";	3889	info "emergency_perl_save: leave\n";
3118	}	3890	}
3119		3891
3120	sub post_cleanup {	3892	sub post_cleanup {
3121	my ($make_core) = @_;	3893	my ($make_core) = @_;
3122		3894
		3895	IO::AIO::flush;
		3896
3123	warn Carp::longmess "post_cleanup backtrace"	3897	error Carp::longmess "post_cleanup backtrace"
3124	if $make_core;	3898	if $make_core;
		3899
		3900	my $fh = pidfile;
		3901	unlink $PIDFILE if <$fh> == $$;
		3902	}
		3903
		3904	# a safer delete_package, copied from Symbol
		3905	sub clear_package($) {
		3906	my $pkg = shift;
		3907
		3908	# expand to full symbol table name if needed
		3909	unless ($pkg =~ /^main::.*::$/) {
		3910	$pkg = "main$pkg" if $pkg =~ /^::/;
		3911	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3912	$pkg .= '::' unless $pkg =~ /::$/;
		3913	}
		3914
		3915	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3916	my $stem_symtab = *{$stem}{HASH};
		3917
		3918	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3919	or return;
		3920
		3921	# clear all symbols
		3922	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3923	for my $name (keys %$leaf_symtab) {
		3924	_gv_clear *{"$pkg$name"};
		3925	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3926	}
3125	}	3927	}
3126		3928
3127	sub do_reload_perl() {	3929	sub do_reload_perl() {
3128	# can/must only be called in main	3930	# can/must only be called in main
3129	if ($Coro::current != $Coro::main) {	3931	unless (in_main) {
3130	warn "can only reload from main coroutine";	3932	error "can only reload from main coroutine";
3131	return;	3933	return;
3132	}	3934	}
3133		3935
3134	warn "reloading...";	3936	return if $RELOAD++;
3135		3937
3136	warn "entering sync_job";	3938	my $t1 = AE::time;
3137		3939
		3940	while ($RELOAD) {
		3941	cf::get_slot 0.1, -1, "reload_perl";
		3942	info "perl_reload: reloading...";
		3943
		3944	trace "perl_reload: entering sync_job";
		3945
3138	cf::sync_job {	3946	cf::sync_job {
3139	cf::write_runtime; # external watchdog should not bark
3140	cf::emergency_save;	3947	#cf::emergency_save;
3141	cf::write_runtime; # external watchdog should not bark
3142		3948
3143	warn "syncing database to disk";
3144	BDB::db_env_txn_checkpoint $DB_ENV;
3145
3146	# if anything goes wrong in here, we should simply crash as we already saved
3147
3148	warn "cancelling all WF_AUTOCANCEL watchers";
3149	for (Event::all_watchers) {
3150	$_->cancel if $_->data & WF_AUTOCANCEL;
3151	}
3152
3153	warn "flushing outstanding aio requests";
3154	for (;;) {
3155	BDB::flush;
3156	IO::AIO::flush;
3157	Coro::cede;
3158	last unless IO::AIO::nreqs || BDB::nreqs;
3159	warn "iterate...";
3160	}
3161
3162	++$RELOAD;
3163
3164	warn "cancelling all extension coros";	3949	trace "perl_reload: cancelling all extension coros";
3165	$_->cancel for values %EXT_CORO;	3950	$_->cancel for values %EXT_CORO;
3166	%EXT_CORO = ();	3951	%EXT_CORO = ();
3167		3952
3168	warn "removing commands";	3953	trace "perl_reload: removing commands";
3169	%COMMAND = ();	3954	%COMMAND = ();
3170		3955
3171	warn "removing ext/exti commands";	3956	trace "perl_reload: removing ext/exti commands";
3172	%EXTCMD = ();	3957	%EXTCMD = ();
3173	%EXTICMD = ();	3958	%EXTICMD = ();
3174		3959
3175	warn "unloading/nuking all extensions";	3960	trace "perl_reload: unloading/nuking all extensions";
3176	for my $pkg (@EXTS) {	3961	for my $pkg (@EXTS) {
3177	warn "... unloading $pkg";	3962	trace "... unloading $pkg";
3178		3963
3179	if (my $cb = $pkg->can ("unload")) {	3964	if (my $cb = $pkg->can ("unload")) {
3180	eval {	3965	eval {
3181	$cb->($pkg);	3966	$cb->($pkg);
3182	1	3967	1
3183	} or warn "$pkg unloaded, but with errors: $@";	3968	} or error "$pkg unloaded, but with errors: $@";
		3969	}
		3970
		3971	trace "... clearing $pkg";
		3972	clear_package $pkg;
3184	}	3973	}
3185		3974
3186	warn "... nuking $pkg";
3187	Symbol::delete_package $pkg;
3188	}
3189
3190	warn "unloading all perl modules loaded from $LIBDIR";	3975	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3191	while (my ($k, $v) = each %INC) {	3976	while (my ($k, $v) = each %INC) {
3192	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3977	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3193		3978
3194	warn "... unloading $k";	3979	trace "... unloading $k";
3195	delete $INC{$k};	3980	delete $INC{$k};
3196		3981
3197	$k =~ s/\.pm$//;	3982	$k =~ s/\.pm$//;
3198	$k =~ s/\//::/g;	3983	$k =~ s/\//::/g;
3199		3984
3200	if (my $cb = $k->can ("unload_module")) {	3985	if (my $cb = $k->can ("unload_module")) {
3201	$cb->();	3986	$cb->();
		3987	}
		3988
		3989	clear_package $k;
3202	}	3990	}
3203		3991
3204	Symbol::delete_package $k;
3205	}
3206
3207	warn "getting rid of safe::, as good as possible";	3992	trace "perl_reload: getting rid of safe::, as good as possible";
3208	Symbol::delete_package "safe::$_"	3993	clear_package "safe::$_"
3209	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3994	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3210		3995
3211	warn "unloading cf.pm \"a bit\"";	3996	trace "perl_reload: unloading cf.pm \"a bit\"";
3212	delete $INC{"cf.pm"};	3997	delete $INC{"cf.pm"};
3213	delete $INC{"cf/pod.pm"};	3998	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3214		3999
3215	# don't, removes xs symbols, too,	4000	# don't, removes xs symbols, too,
3216	# and global variables created in xs	4001	# and global variables created in xs
3217	#Symbol::delete_package __PACKAGE__;	4002	#clear_package __PACKAGE__;
3218		4003
3219	warn "unload completed, starting to reload now";	4004	info "perl_reload: unload completed, starting to reload now";
3220		4005
3221	warn "reloading cf.pm";	4006	trace "perl_reload: reloading cf.pm";
3222	require cf;	4007	require cf;
3223	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4008	cf::_connect_to_perl_1;
3224		4009
3225	warn "loading config and database again";	4010	trace "perl_reload: loading config and database again";
3226	cf::cfg_load;	4011	cf::reload_config;
3227		4012
3228	warn "loading extensions";	4013	trace "perl_reload: loading extensions";
3229	cf::load_extensions;	4014	cf::load_extensions;
3230		4015
		4016	if ($REATTACH_ON_RELOAD) {
3231	warn "reattaching attachments to objects/players";	4017	trace "perl_reload: reattaching attachments to objects/players";
3232	_global_reattach; # objects, sockets	4018	_global_reattach; # objects, sockets
3233	warn "reattaching attachments to maps";	4019	trace "perl_reload: reattaching attachments to maps";
3234	reattach $_ for values %MAP;	4020	reattach $_ for values %MAP;
3235	warn "reattaching attachments to players";	4021	trace "perl_reload: reattaching attachments to players";
3236	reattach $_ for values %PLAYER;	4022	reattach $_ for values %PLAYER;
		4023	}
3237		4024
3238	warn "leaving sync_job";	4025	cf::_post_init 1;
3239		4026
		4027	trace "perl_reload: leaving sync_job";
		4028
3240	1	4029	1
3241	} or do {	4030	} or do {
3242	warn $@;	4031	error $@;
3243	warn "error while reloading, exiting.";	4032	cf::cleanup "perl_reload: error, exiting.";
3244	exit 1;	4033	};
		4034
		4035	--$RELOAD;
3245	};	4036	}
3246		4037
3247	warn "reloaded";	4038	$t1 = AE::time - $t1;
		4039	info "perl_reload: completed in ${t1}s\n";
3248	};	4040	};
3249		4041
3250	our $RELOAD_WATCHER; # used only during reload	4042	our $RELOAD_WATCHER; # used only during reload
3251		4043
3252	sub reload_perl() {	4044	sub reload_perl() {
3253	# doing reload synchronously and two reloads happen back-to-back,	4045	# doing reload synchronously and two reloads happen back-to-back,
3254	# coro crashes during coro_state_free->destroy here.	4046	# coro crashes during coro_state_free->destroy here.
3255		4047
3256	$RELOAD_WATCHER ||= Event->timer (	4048	$RELOAD_WATCHER ||= cf::async {
3257	reentrant => 0,	4049	Coro::AIO::aio_wait cache_extensions;
3258	after => 0,	4050
3259	data => WF_AUTOCANCEL,	4051	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3260	cb => sub {
3261	do_reload_perl;	4052	do_reload_perl;
3262	undef $RELOAD_WATCHER;	4053	undef $RELOAD_WATCHER;
3263	},	4054	};
3264	);	4055	};
3265	}	4056	}
3266		4057
3267	register_command "reload" => sub {	4058	register_command "reload" => sub {
3268	my ($who, $arg) = @_;	4059	my ($who, $arg) = @_;
3269		4060
3270	if ($who->flag (FLAG_WIZ)) {	4061	if ($who->flag (FLAG_WIZ)) {
3271	$who->message ("reloading server.");	4062	$who->message ("reloading server.");
		4063	async {
		4064	$Coro::current->{desc} = "perl_reload";
3272	async { reload_perl };	4065	reload_perl;
		4066	};
3273	}	4067	}
3274	};	4068	};
3275		4069
3276	unshift @INC, $LIBDIR;	4070	#############################################################################
3277		4071
3278	my $bug_warning = 0;	4072	my $bug_warning = 0;
3279		4073
3280	our @WAIT_FOR_TICK;	4074	our @WAIT_FOR_TICK;
3281	our @WAIT_FOR_TICK_BEGIN;	4075	our @WAIT_FOR_TICK_BEGIN;
3282		4076
3283	sub wait_for_tick {	4077	sub wait_for_tick() {
3284	return unless $TICK_WATCHER->is_active;
3285	return if $Coro::current == $Coro::main;	4078	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3286		4079
3287	my $signal = new Coro::Signal;	4080	my $signal = new Coro::Signal;
3288	push @WAIT_FOR_TICK, $signal;	4081	push @WAIT_FOR_TICK, $signal;
3289	$signal->wait;	4082	$signal->wait;
3290	}	4083	}
3291		4084
3292	sub wait_for_tick_begin {	4085	sub wait_for_tick_begin() {
3293	return unless $TICK_WATCHER->is_active;
3294	return if $Coro::current == $Coro::main;	4086	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3295		4087
3296	my $signal = new Coro::Signal;	4088	my $signal = new Coro::Signal;
3297	push @WAIT_FOR_TICK_BEGIN, $signal;	4089	push @WAIT_FOR_TICK_BEGIN, $signal;
3298	$signal->wait;	4090	$signal->wait;
3299	}	4091	}
3300		4092
3301	my $min = 1e6;#d#	4093	sub tick {
3302	my $avg = 10;
3303	$TICK_WATCHER = Event->timer (
3304	reentrant => 0,
3305	parked => 1,
3306	prio => 0,
3307	at => $NEXT_TICK || $TICK,
3308	data => WF_AUTOCANCEL,
3309	cb => sub {
3310	if ($Coro::current != $Coro::main) {	4094	if ($Coro::current != $Coro::main) {
3311	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4095	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3312	unless ++$bug_warning > 10;	4096	unless ++$bug_warning > 10;
3313	return;	4097	return;
3314	}	4098	}
3315		4099
3316	$NOW = $tick_start = Event::time;
3317
3318	cf::server_tick; # one server iteration	4100	cf::server_tick; # one server iteration
3319		4101
3320	0 && sync_job {#d#	4102	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3321	for(1..10) {
3322	my $t = Event::time;
3323	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3324	or die;
3325		4103
3326	$map->width (50);	4104	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3327	$map->height (50);	4105	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3328	$map->alloc;	4106	Coro::async_pool {
3329	$map->_load_objects ("/tmp/x.map", 1);	4107	$Coro::current->{desc} = "runtime saver";
3330	my $t = Event::time - $t;	4108	write_runtime_sync
3331		4109	or error "ERROR: unable to write runtime file: $!";
3332	#next unless $t < 0.0013;#d#
3333	if ($t < $min) {
3334	$min = $t;
3335	}
3336	$avg = $avg * 0.99 + $t * 0.01;
3337	}
3338	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3339	exit 0;
3340	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3341	};	4110	};
		4111	}
3342		4112
3343	$RUNTIME += $TICK;
3344	$NEXT_TICK += $TICK;
3345
3346	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3347	$NEXT_RUNTIME_WRITE = $NOW + 10;
3348	Coro::async_pool {
3349	write_runtime
3350	or warn "ERROR: unable to write runtime file: $!";
3351	};
3352	}
3353
3354	# my $AFTER = Event::time;
3355	# warn $AFTER - $NOW;#d#
3356
3357	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4113	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3358	$sig->send;	4114	$sig->send;
3359	}	4115	}
3360	while (my $sig = shift @WAIT_FOR_TICK) {	4116	while (my $sig = shift @WAIT_FOR_TICK) {
3361	$sig->send;	4117	$sig->send;
3362	}	4118	}
3363		4119
3364	$NOW = Event::time;	4120	$LOAD = ($NOW - $TICK_START) / $TICK;
3365
3366	# if we are delayed by four ticks or more, skip them all
3367	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3368
3369	$TICK_WATCHER->at ($NEXT_TICK);
3370	$TICK_WATCHER->start;
3371
3372	$LOAD = ($NOW - $tick_start) / $TICK;
3373	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4121	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3374		4122
3375	_post_tick;	4123	if (0) {
3376		4124	if ($NEXT_TICK) {
3377		4125	my $jitter = $TICK_START - $NEXT_TICK;
		4126	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4127	debug "jitter $JITTER\n";#d#
		4128	}
3378	},	4129	}
3379	);	4130	}
3380		4131
3381	{	4132	{
3382	BDB::max_poll_time $TICK * 0.1;	4133	# configure BDB
3383	$BDB_POLL_WATCHER = Event->io (	4134
3384	reentrant => 0,
3385	fd => BDB::poll_fileno,
3386	poll => 'r',
3387	prio => 0,
3388	data => WF_AUTOCANCEL,
3389	cb => \&BDB::poll_cb,
3390	);
3391	BDB::min_parallel 8;	4135	BDB::min_parallel 16;
3392		4136	BDB::max_poll_reqs $TICK * 0.1;
3393	BDB::set_sync_prepare {	4137	$AnyEvent::BDB::WATCHER->priority (1);
3394	my $status;
3395	my $current = $Coro::current;
3396	(
3397	sub {
3398	$status = $!;
3399	$current->ready; undef $current;
3400	},
3401	sub {
3402	Coro::schedule while defined $current;
3403	$! = $status;
3404	},
3405	)
3406	};
3407		4138
3408	unless ($DB_ENV) {	4139	unless ($DB_ENV) {
3409	$DB_ENV = BDB::db_env_create;	4140	$DB_ENV = BDB::db_env_create;
		4141	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4142	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4143	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4144	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4145	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3410		4146
3411	cf::sync_job {	4147	cf::sync_job {
3412	eval {	4148	eval {
3413	BDB::db_env_open	4149	BDB::db_env_open
3414	$DB_ENV,	4150	$DB_ENV,
…		…
3416	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4152	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3417	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4153	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3418	0666;	4154	0666;
3419		4155
3420	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4156	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3421
3422	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3423	$DB_ENV->set_lk_detect;
3424	};	4157	};
3425		4158
3426	cf::cleanup "db_env_open(db): $@" if $@;	4159	cf::cleanup "db_env_open(db): $@" if $@;
3427	};	4160	};
3428	}	4161	}
		4162
		4163	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4164	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4165	};
		4166	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4167	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4168	};
		4169	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4170	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4171	};
3429	}	4172	}
3430		4173
3431	{	4174	{
		4175	# configure IO::AIO
		4176
3432	IO::AIO::min_parallel 8;	4177	IO::AIO::min_parallel 8;
3433
3434	undef $Coro::AIO::WATCHER;
3435	IO::AIO::max_poll_time $TICK * 0.1;	4178	IO::AIO::max_poll_time $TICK * 0.1;
3436	$AIO_POLL_WATCHER = Event->io (	4179	undef $AnyEvent::AIO::WATCHER;
3437	reentrant => 0,
3438	data => WF_AUTOCANCEL,
3439	fd => IO::AIO::poll_fileno,
3440	poll => 'r',
3441	prio => 6,
3442	cb => \&IO::AIO::poll_cb,
3443	);
3444	}	4180	}
3445		4181
3446	my $_log_backtrace;	4182	our $_log_backtrace;
		4183	our $_log_backtrace_last;
3447		4184
3448	sub _log_backtrace {	4185	sub _log_backtrace {
3449	my ($msg, @addr) = @_;	4186	my ($msg, @addr) = @_;
3450		4187
3451	$msg =~ s/\n//;	4188	$msg =~ s/\n$//;
3452		4189
		4190	if ($_log_backtrace_last eq $msg) {
		4191	LOG llevInfo, "[ABT] $msg\n";
		4192	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3453	# limit the # of concurrent backtraces	4193	# limit the # of concurrent backtraces
3454	if ($_log_backtrace < 2) {	4194	} elsif ($_log_backtrace < 2) {
		4195	$_log_backtrace_last = $msg;
3455	++$_log_backtrace;	4196	++$_log_backtrace;
		4197	my $perl_bt = Carp::longmess $msg;
3456	async {	4198	async {
		4199	$Coro::current->{desc} = "abt $msg";
		4200
3457	my @bt = fork_call {	4201	my @bt = fork_call {
3458	@addr = map { sprintf "%x", $_ } @addr;	4202	@addr = map { sprintf "%x", $_ } @addr;
3459	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4203	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3460	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4204	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3461	or die "addr2line: $!";	4205	or die "addr2line: $!";
…		…
3469	}	4213	}
3470		4214
3471	@funcs	4215	@funcs
3472	};	4216	};
3473		4217
3474	LOG llevInfo, "[ABT] $msg\n";	4218	LOG llevInfo, "[ABT] $perl_bt\n";
		4219	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3475	LOG llevInfo, "[ABT] $_\n" for @bt;	4220	LOG llevInfo, "[ABT] $_\n" for @bt;
3476	--$_log_backtrace;	4221	--$_log_backtrace;
3477	};	4222	};
3478	} else {	4223	} else {
3479	LOG llevInfo, "[ABT] $msg\n";	4224	LOG llevInfo, "[ABT] $msg\n";
3480	LOG llevInfo, "[ABT] [suppressed]\n";	4225	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3481	}	4226	}
3482	}	4227	}
3483		4228
3484	# load additional modules	4229	# load additional modules
3485	use cf::pod;	4230	require "cf/$_.pm" for @EXTRA_MODULES;
		4231	cf::_connect_to_perl_2;
3486		4232
3487	END { cf::emergency_save }	4233	END { cf::emergency_save }
3488		4234
3489	1	4235	1
3490		4236

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