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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.339 by root, Fri Aug 24 00:26:10 2007 UTC vs.
Revision 1.565 by root, Sat Apr 30 05:41:17 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.64 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	56	use Fcntl;
31	use YAML::Syck ();	57	use YAML::XS ();
32	use IO::AIO 2.32 ();	58	use IO::AIO ();
33	use Time::HiRes;	59	use Time::HiRes;
34	use Compress::LZF;	60	use Compress::LZF;
35	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
36		64
37	# configure various modules to our taste	65	# configure various modules to our taste
38	#	66	#
39	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		75
43	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
44		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		78
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
54		85
55	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
65	our $DATADIR = datadir;	99	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
69	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
75		120
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	123	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
84	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
86		132
87	our %CFG;	133	our %CFG;
88		134
89	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
91		138
92	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
93	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
95		142
96	# used to convert map paths into valid unix filenames by replacing / by ∕	143	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		145
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	146	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	149	our $TICK_START; # for load detecting purposes
		150
		151	our @POST_INIT;
		152
		153	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		154	our $REALLY_UNLOOP; # never set to true, please :)
102		155
103	binmode STDOUT;	156	binmode STDOUT;
104	binmode STDERR;	157	binmode STDERR;
105		158
106	# read virtual server time, if available	159	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	161	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
111	}	164	}
		165
		166	eval "sub TICK() { $TICK } 1" or die;
112		167
113	mkdir $_	168	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		170
116	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
117		172
118	sub cf::map::normalise;	173	sub cf::map::normalise;
		174
		175	sub in_main() {
		176	$Coro::current == $Coro::main
		177	}
		178
		179	#############################################################################
		180
		181	%REFLECT = ();
		182	for (@REFLECT) {
		183	my $reflect = JSON::XS::decode_json $_;
		184	$REFLECT{$reflect->{class}} = $reflect;
		185	}
		186
		187	# this is decidedly evil
		188	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
119		189
120	#############################################################################	190	#############################################################################
121		191
122	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
123		193
…		…
159		229
160	The raw value load value from the last tick.	230	The raw value load value from the last tick.
161		231
162	=item %cf::CFG	232	=item %cf::CFG
163		233
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	235	from wherever your confdir points to.
166		236
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		238
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	239	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
170	returns directly I<after> the tick processing (and consequently, can only wake one process	240	returns directly I<after> the tick processing (and consequently, can only wake one thread
171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
172		242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
173	=item @cf::INVOKE_RESULTS	248	=item @cf::INVOKE_RESULTS
174		249
175	This array contains the results of the last C<invoke ()> call. When	250	This array contains the results of the last C<invoke ()> call. When
176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177	that call.	252	that call.
178		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
		259
179	=back	260	=back
180		261
181	=cut	262	=cut
182		263
183	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
184	*CORE::GLOBAL::warn = sub {	265	sub warn (@) { LOG llevWarn , join "", @_ }
		266	sub info (@) { LOG llevInfo , join "", @_ }
		267	sub debug(@) { LOG llevDebug, join "", @_ }
		268	sub trace(@) { LOG llevTrace, join "", @_ }
		269
		270	$Coro::State::WARNHOOK = sub {
185	my $msg = join "", @_;	271	my $msg = join "", @_;
186		272
187	$msg .= "\n"	273	$msg .= "\n"
188	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
189		275
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		277
192	utf8::encode $msg;
193	LOG llevError, $msg;	278	LOG llevWarn, $msg;
194	};	279	};
195	}	280
		281	$Coro::State::DIEHOOK = sub {
		282	return unless $^S eq 0; # "eq", not "=="
		283
		284	error Carp::longmess $_[0];
		285
		286	if (in_main) {#d#
		287	error "DIEHOOK called in main context, Coro bug?\n";#d#
		288	return;#d#
		289	}#d#
		290
		291	# kill coroutine otherwise
		292	Coro::terminate
		293	};
196		294
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	305	for my $pkg (qw(
208	cf::global cf::attachable	306	cf::global cf::attachable
209	cf::object cf::object::player	307	cf::object cf::object::player
210	cf::client cf::player	308	cf::client cf::player
211	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
212	cf::map cf::party cf::region	311	cf::party cf::region
213	)) {	312	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	314	}
217		315
218	$Event::DIED = sub {	316	$EV::DIED = sub {
219	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
220	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
221		324
222	#############################################################################	325	#############################################################################
223		326
224	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
225		328
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	349	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	350	$d
248	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
249	}	352	}
250		353
		354	=item $scalar = load_file $path
		355
		356	Loads the given file from path and returns its contents. Croaks on error
		357	and can block.
		358
		359	=cut
		360
		361	sub load_file($) {
		362	0 <= aio_load $_[0], my $data
		363	or Carp::croak "$_[0]: $!";
		364
		365	$data
		366	}
		367
251	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
252		369
253	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
254		371
255	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
256		373
257	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
258		375
259	=cut	376	=cut
260		377
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		379
263	sub to_json ($) { $json_coder->encode ($_[0]) }	380	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	381	sub decode_json($) { $json_coder->decode ($_[0]) }
		382
		383	=item $ref = cf::decode_storable $scalar
		384
		385	Same as Coro::Storable::thaw, so blocks.
		386
		387	=cut
		388
		389	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		390
		391	=item $ref = cf::decode_yaml $scalar
		392
		393	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		394
		395	=cut
		396
		397	sub decode_yaml($) {
		398	fork_call { YAML::XS::Load $_[0] } @_
		399	}
		400
		401	=item $scalar = cf::unlzf $scalar
		402
		403	Same as Compress::LZF::compress, but takes server ticks into account, so
		404	blocks.
		405
		406	=cut
		407
		408	sub unlzf($) {
		409	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		410	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		411	Compress::LZF::decompress $_[0]
		412	}
		413
		414	=item cf::post_init { BLOCK }
		415
		416	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		417	but I<before> the server starts ticking again.
		418
		419	The codeblock will have a single boolean argument to indicate whether this
		420	is a reload or not.
		421
		422	=cut
		423
		424	sub post_init(&) {
		425	push @POST_INIT, shift;
		426	}
		427
		428	sub _post_init {
		429	trace "running post_init jobs";
		430
		431	# run them in parallel...
		432
		433	my @join;
		434
		435	while () {
		436	push @join, map &Coro::async ($_, 0), @POST_INIT;
		437	@POST_INIT = ();
		438
		439	@join or last;
		440
		441	(pop @join)->join;
		442	}
		443	}
265		444
266	=item cf::lock_wait $string	445	=item cf::lock_wait $string
267		446
268	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
269		448
270	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
271		450
272	Wait until the given lock is available and then acquires it and returns	451	Wait until the given lock is available and then acquires it and returns
273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	452	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
274	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
275	returned.	454	returned.
276		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
277	Lock names should begin with a unique identifier (for example, cf::map::find	459	Lock names should begin with a unique identifier (for example, cf::map::find
278	uses map_find and cf::map::load uses map_load).	460	uses map_find and cf::map::load uses map_load).
279		461
280	=item $locked = cf::lock_active $string	462	=item $locked = cf::lock_active $string
281		463
282	Return true if the lock is currently active, i.e. somebody has locked it.	464	Return true if the lock is currently active, i.e. somebody has locked it.
283		465
284	=cut	466	=cut
285		467
286	our %LOCK;	468	our $LOCKS = new Coro::SemaphoreSet;
287		469
288	sub lock_wait($) {	470	sub lock_wait($) {
289	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
290
291	# wait for lock, if any
292	while ($LOCK{$key}) {
293	push @{ $LOCK{$key} }, $Coro::current;
294	Coro::schedule;
295	}
296	}	472	}
297		473
298	sub lock_acquire($) {	474	sub lock_acquire($) {
299	my ($key) = @_;	475	$LOCKS->guard ($_[0])
300
301	# wait, to be sure we are not locked
302	lock_wait $key;
303
304	$LOCK{$key} = [];
305
306	Coro::guard {
307	# wake up all waiters, to be on the safe side
308	$_->ready for @{ delete $LOCK{$key} };
309	}
310	}	476	}
311		477
312	sub lock_active($) {	478	sub lock_active($) {
313	my ($key) = @_;	479	$LOCKS->count ($_[0]) < 1
314
315	! ! $LOCK{$key}
316	}	480	}
317		481
318	sub freeze_mainloop {	482	sub freeze_mainloop {
319	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
320		484
321	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
322	$TICK_WATCHER->start;	486	}
323	};	487
324	$TICK_WATCHER->stop;	488	=item cf::periodic $interval, $cb
325	$guard	489
		490	Like EV::periodic, but randomly selects a starting point so that the actions
		491	get spread over time.
		492
		493	=cut
		494
		495	sub periodic($$) {
		496	my ($interval, $cb) = @_;
		497
		498	my $start = rand List::Util::min 180, $interval;
		499
		500	EV::periodic $start, $interval, 0, $cb
326	}	501	}
327		502
328	=item cf::get_slot $time[, $priority[, $name]]	503	=item cf::get_slot $time[, $priority[, $name]]
329		504
330	Allocate $time seconds of blocking CPU time at priority C<$priority>:	505	Allocate $time seconds of blocking CPU time at priority C<$priority>
331	This call blocks and returns only when you have at least C<$time> seconds	506	(default: 0): This call blocks and returns only when you have at least
332	of cpu time till the next tick. The slot is only valid till the next cede.	507	C<$time> seconds of cpu time till the next tick. The slot is only valid
		508	till the next cede.
		509
		510	Background jobs should use a priority les than zero, interactive jobs
		511	should use 100 or more.
333		512
334	The optional C<$name> can be used to identify the job to run. It might be	513	The optional C<$name> can be used to identify the job to run. It might be
335	used for statistical purposes and should identify the same time-class.	514	used for statistical purposes and should identify the same time-class.
336		515
337	Useful for short background jobs.	516	Useful for short background jobs.
338		517
339	=cut	518	=cut
340		519
341	our @SLOT_QUEUE;	520	our @SLOT_QUEUE;
342	our $SLOT_QUEUE;	521	our $SLOT_QUEUE;
		522	our $SLOT_DECAY = 0.9;
343		523
344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	524	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
345	$SLOT_QUEUE = Coro::async {	525	$SLOT_QUEUE = Coro::async {
		526	$Coro::current->desc ("timeslot manager");
		527
346	my $signal = new Coro::Signal;	528	my $signal = new Coro::Signal;
		529	my $busy;
347		530
348	while () {	531	while () {
349	next_job:	532	next_job:
		533
350	my $avail = cf::till_tick;	534	my $avail = cf::till_tick;
351	if ($avail > 0.01) {	535
352	for (0 .. $#SLOT_QUEUE) {	536	for (0 .. $#SLOT_QUEUE) {
353	if ($SLOT_QUEUE[$_][0] < $avail) {	537	if ($SLOT_QUEUE[$_][0] <= $avail) {
		538	$busy = 0;
354	my $job = splice @SLOT_QUEUE, $_, 1, ();	539	my $job = splice @SLOT_QUEUE, $_, 1, ();
355	$job->[2]->send;	540	$job->[2]->send;
356	Coro::cede;	541	Coro::cede;
357	goto next_job;	542	goto next_job;
358	}	543	} else {
		544	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
359	}	545	}
360	}	546	}
361		547
362	if (@SLOT_QUEUE) {	548	if (@SLOT_QUEUE) {
363	# we do not use wait_For_tick() as it returns immediately when tick is inactive	549	# we do not use wait_for_tick() as it returns immediately when tick is inactive
364	push @cf::WAIT_FOR_TICK, $signal;	550	push @cf::WAIT_FOR_TICK, $signal;
365	$signal->wait;	551	$signal->wait;
366	} else {	552	} else {
		553	$busy = 0;
367	Coro::schedule;	554	Coro::schedule;
368	}	555	}
369	}	556	}
370	};	557	};
371		558
372	sub get_slot($;$$) {	559	sub get_slot($;$$) {
		560	return if tick_inhibit || $Coro::current == $Coro::main;
		561
373	my ($time, $pri, $name) = @_;	562	my ($time, $pri, $name) = @_;
374		563
375	$time = $TICK * .6 if $time > $TICK * .6;	564	$time = clamp $time, 0.01, $TICK * .6;
		565
376	my $sig = new Coro::Signal;	566	my $sig = new Coro::Signal;
377		567
378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	568	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	569	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
380	$SLOT_QUEUE->ready;	570	$SLOT_QUEUE->ready;
…		…
391		581
392	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
393		583
394	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
395		585
396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	586	The design of Deliantra requires that the main coroutine ($Coro::main)
397	is always able to handle events or runnable, as Crossfire TRT is only	587	is always able to handle events or runnable, as Deliantra is only
398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	588	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
399	acceptable.	589	acceptable.
400		590
401	If it must be done, put the blocking parts into C<sync_job>. This will run	591	If it must be done, put the blocking parts into C<sync_job>. This will run
402	the given BLOCK in another coroutine while waiting for the result. The	592	the given BLOCK in another coroutine while waiting for the result. The
…		…
406	=cut	596	=cut
407		597
408	sub sync_job(&) {	598	sub sync_job(&) {
409	my ($job) = @_;	599	my ($job) = @_;
410		600
411	if ($Coro::current == $Coro::main) {	601	if (in_main) {
412	my $time = Event::time;	602	my $time = AE::time;
413		603
414	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
415	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
416		606
417	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
418	# (but this is cancel-safe)	608
419	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
420		610
421	my $busy = 1;	611	my $busy = 1;
422	my @res;	612	my @res;
423		613
424	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
425	@res = eval { $job->() };	616	@res = eval { $job->() };
426	warn $@ if $@;	617	error $@ if $@;
427	undef $busy;	618	undef $busy;
428	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
429		620
430	while ($busy) {	621	while ($busy) {
431	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
432	}	626	}
		627	}
433		628
434	$time = Event::time - $time;	629	my $time = AE::time - $time;
435		630
436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
438
439	$tick_start += $time; # do not account sync jobs to server load	631	$TICK_START += $time; # do not account sync jobs to server load
440		632
441	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
442	} else {	634	} else {
443	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
444		636
…		…
464	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
465		657
466	$coro	658	$coro
467	}	659	}
468		660
469	=item fork_call { }, $args	661	=item fork_call { }, @args
470		662
471	Executes the given code block with the given arguments in a seperate	663	Executes the given code block with the given arguments in a seperate
472	process, returning the results. Everything must be serialisable with	664	process, returning the results. Everything must be serialisable with
473	Coro::Storable. May, of course, block. Note that the executed sub may	665	Coro::Storable. May, of course, block. Note that the executed sub may
474	never block itself or use any form of Event handling.	666	never block itself or use any form of event handling.
475		667
476	=cut	668	=cut
		669
		670	sub post_fork {
		671	reset_signals;
		672	}
477		673
478	sub fork_call(&@) {	674	sub fork_call(&@) {
479	my ($cb, @args) = @_;	675	my ($cb, @args) = @_;
480		676
481	# we seemingly have to make a local copy of the whole thing,	677	# we seemingly have to make a local copy of the whole thing,
482	# otherwise perl prematurely frees the stuff :/	678	# otherwise perl prematurely frees the stuff :/
483	# TODO: investigate and fix (liekly this will be rather laborious)	679	# TODO: investigate and fix (likely this will be rather laborious)
484		680
485	my @res = Coro::Util::fork_eval {	681	my @res = Coro::Util::fork_eval {
486	reset_signals;	682	cf::post_fork;
487	&$cb	683	&$cb
488	}, @args;	684	} @args;
489		685
490	wantarray ? @res : $res[-1]	686	wantarray ? @res : $res[-1]
		687	}
		688
		689	sub objinfo {
		690	(
		691	"counter value" => cf::object::object_count,
		692	"objects created" => cf::object::create_count,
		693	"objects destroyed" => cf::object::destroy_count,
		694	"freelist size" => cf::object::free_count,
		695	"allocated objects" => cf::object::objects_size,
		696	"active objects" => cf::object::actives_size,
		697	)
		698	}
		699
		700	=item $coin = coin_from_name $name
		701
		702	=cut
		703
		704	our %coin_alias = (
		705	"silver" => "silvercoin",
		706	"silvercoin" => "silvercoin",
		707	"silvercoins" => "silvercoin",
		708	"gold" => "goldcoin",
		709	"goldcoin" => "goldcoin",
		710	"goldcoins" => "goldcoin",
		711	"platinum" => "platinacoin",
		712	"platinumcoin" => "platinacoin",
		713	"platinumcoins" => "platinacoin",
		714	"platina" => "platinacoin",
		715	"platinacoin" => "platinacoin",
		716	"platinacoins" => "platinacoin",
		717	"royalty" => "royalty",
		718	"royalties" => "royalty",
		719	);
		720
		721	sub coin_from_name($) {
		722	$coin_alias{$_[0]}
		723	? cf::arch::find $coin_alias{$_[0]}
		724	: undef
491	}	725	}
492		726
493	=item $value = cf::db_get $family => $key	727	=item $value = cf::db_get $family => $key
494		728
495	Returns a single value from the environment database.	729	Returns a single value from the environment database.
…		…
497	=item cf::db_put $family => $key => $value	731	=item cf::db_put $family => $key => $value
498		732
499	Stores the given C<$value> in the family. It can currently store binary	733	Stores the given C<$value> in the family. It can currently store binary
500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	734	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
501		735
		736	=item $db = cf::db_table "name"
		737
		738	Create and/or open a new database table. The string must not be "db" and must be unique
		739	within each server.
		740
502	=cut	741	=cut
		742
		743	sub db_table($) {
		744	cf::error "db_get called from main context"
		745	if $Coro::current == $Coro::main;
		746
		747	my ($name) = @_;
		748	my $db = BDB::db_create $DB_ENV;
		749
		750	eval {
		751	$db->set_flags (BDB::CHKSUM);
		752
		753	utf8::encode $name;
		754	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		755	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		756	cf::cleanup "db_open(db): $!" if $!;
		757	};
		758	cf::cleanup "db_open(db): $@" if $@;
		759
		760	$db
		761	}
503		762
504	our $DB;	763	our $DB;
505		764
506	sub db_init {	765	sub db_init {
507	unless ($DB) {	766	$DB ||= db_table "db";
508	$DB = BDB::db_create $DB_ENV;
509
510	cf::sync_job {
511	eval {
512	$DB->set_flags (BDB::CHKSUM);
513
514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
516	cf::cleanup "db_open(db): $!" if $!;
517	};
518	cf::cleanup "db_open(db): $@" if $@;
519	};
520	}
521	}	767	}
522		768
523	sub db_get($$) {	769	sub db_get($$) {
524	my $key = "$_[0]/$_[1]";	770	my $key = "$_[0]/$_[1]";
525		771
526	cf::sync_job {	772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
527	BDB::db_get $DB, undef, $key, my $data;	775	BDB::db_get $DB, undef, $key, my $data;
528		776
529	$! ? ()	777	$! ? ()
530	: $data	778	: $data
531	}
532	}	779	}
533		780
534	sub db_put($$$) {	781	sub db_put($$$) {
535	BDB::dbreq_pri 4;	782	BDB::dbreq_pri 4;
536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
564		811
565	my @data;	812	my @data;
566	my $md5;	813	my $md5;
567		814
568	for (0 .. $#$src) {	815	for (0 .. $#$src) {
569	0 <= aio_load $src->[$_], $data[$_]	816	$data[$_] = load_file $src->[$_];
570	or Carp::croak "$src->[$_]: $!";
571	}	817	}
572		818
573	# if processing is expensive, check	819	# if processing is expensive, check
574	# checksum first	820	# checksum first
575	if (1) {	821	if (1) {
576	$md5 =	822	$md5 =
577	join "\x00",	823	join "\x00",
578	$processversion,	824	$processversion,
579	map {	825	map {
580	Coro::cede;	826	cf::cede_to_tick;
581	($src->[$_], Digest::MD5::md5_hex $data[$_])	827	($src->[$_], Digest::MD5::md5_hex $data[$_])
582	} 0.. $#$src;	828	} 0.. $#$src;
583		829
584		830
585	my $dbmd5 = db_get cache => "$id/md5";	831	my $dbmd5 = db_get cache => "$id/md5";
…		…
592		838
593	my $t1 = Time::HiRes::time;	839	my $t1 = Time::HiRes::time;
594	my $data = $process->(\@data);	840	my $data = $process->(\@data);
595	my $t2 = Time::HiRes::time;	841	my $t2 = Time::HiRes::time;
596		842
597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
598		844
599	db_put cache => "$id/data", $data;	845	db_put cache => "$id/data", $data;
600	db_put cache => "$id/md5" , $md5;	846	db_put cache => "$id/md5" , $md5;
601	db_put cache => "$id/meta", $meta;	847	db_put cache => "$id/meta", $meta;
602		848
…		…
612		858
613	=cut	859	=cut
614		860
615	sub datalog($@) {	861	sub datalog($@) {
616	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
618	}	864	}
619		865
620	=back	866	=back
621		867
622	=cut	868	=cut
623		869
624	#############################################################################	870	#############################################################################
625		871
626	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
627		873
628	Many objects in crossfire are so-called attachable objects. That means you can	874	Many objects in deliantra are so-called attachable objects. That means you can
629	attach callbacks/event handlers (a collection of which is called an "attachment")	875	attach callbacks/event handlers (a collection of which is called an "attachment")
630	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
631		877
632	In the following description, CLASS can be any of C<global>, C<object>	878	In the following description, CLASS can be any of C<global>, C<object>
633	C<player>, C<client> or C<map> (i.e. the attachable objects in	879	C<player>, C<client> or C<map> (i.e. the attachable objects in
634	Crossfire TRT).	880	Deliantra).
635		881
636	=over 4	882	=over 4
637		883
638	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
639		885
…		…
683	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
684		930
685	Register an attachment by C<$name> through which attachable objects of the	931	Register an attachment by C<$name> through which attachable objects of the
686	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
687		933
688	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
689	that are attached at load/instantiate time, thus the need for a name.	935	that are attached at load/instantiate time, thus the need for a name.
690		936
691	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
692		938
693	=over 4	939	=over 4
…		…
817		1063
818	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
819	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
820		1066
821	} elsif (ref $type) {	1067	} elsif (ref $type) {
822	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
823		1069
824	} else {	1070	} else {
825	shift @arg;	1071	shift @arg;
826	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
827	}	1073	}
828	}	1074	}
829	}	1075	}
830		1076
831	sub _object_attach {	1077	sub _object_attach {
…		…
841	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
842	}	1088	}
843		1089
844	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
845	} else {	1091	} else {
846	warn "object uses attachment '$name' which is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
847	}	1093	}
848		1094
849	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
850	}	1096	}
851		1097
…		…
910		1156
911	for (@$callbacks) {	1157	for (@$callbacks) {
912	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
913		1159
914	if ($@) {	1160	if ($@) {
915	warn "$@";
916	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
917	override;	1162	override;
918	}	1163	}
919		1164
920	return 1 if $override;	1165	return 1 if $override;
921	}	1166	}
922		1167
923	0	1168	0
924	}	1169	}
925		1170
926	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
927		1172
928	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
929		1174
930	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
931		1176
…		…
937		1182
938	=cut	1183	=cut
939		1184
940	#############################################################################	1185	#############################################################################
941	# object support	1186	# object support
942	#
943		1187
		1188	sub _object_equal($$);
		1189	sub _object_equal($$) {
		1190	my ($a, $b) = @_;
		1191
		1192	return 0 unless (ref $a) eq (ref $b);
		1193
		1194	if ("HASH" eq ref $a) {
		1195	my @ka = keys %$a;
		1196	my @kb = keys %$b;
		1197
		1198	return 0 if @ka != @kb;
		1199
		1200	for (0 .. $#ka) {
		1201	return 0 unless $ka[$_] eq $kb[$_];
		1202	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1203	}
		1204
		1205	} elsif ("ARRAY" eq ref $a) {
		1206
		1207	return 0 if @$a != @$b;
		1208
		1209	for (0 .. $#$a) {
		1210	return 0 unless _object_equal $a->[$_], $b->[$_];
		1211	}
		1212
		1213	} elsif ($a ne $b) {
		1214	return 0;
		1215	}
		1216
		1217	1
		1218	}
		1219
		1220	our $SLOW_MERGES;#d#
944	sub _can_merge {	1221	sub _can_merge {
945	my ($ob1, $ob2) = @_;	1222	my ($ob1, $ob2) = @_;
946		1223
947	local $Storable::canonical = 1;	1224	++$SLOW_MERGES;#d#
948	my $fob1 = Storable::freeze $ob1;
949	my $fob2 = Storable::freeze $ob2;
950		1225
951	$fob1 eq $fob2	1226	# we do the slow way here
		1227	return _object_equal $ob1, $ob2
952	}	1228	}
953		1229
954	sub reattach {	1230	sub reattach {
955	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
956	my ($obj) = @_;	1232	my ($obj) = @_;
957		1233
		1234	# no longer needed after getting rid of delete_package?
958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1235	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
959		1236
960	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
961		1238
962	@$registry = ();	1239	@$registry = ();
963		1240
…		…
968	for (@$attach) {	1245	for (@$attach) {
969	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
970	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
971	}	1248	}
972	} else {	1249	} else {
973	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
974	}	1251	}
975	}	1252	}
976	}	1253	}
977		1254
978	cf::attachable->attach (	1255	cf::attachable->attach (
979	prio => -1000000,	1256	prio => -1000000,
980	on_instantiate => sub {	1257	on_instantiate => sub {
981	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
982		1259
983	$data = from_json $data;	1260	$data = decode_json $data;
984		1261
985	for (@$data) {	1262	for (@$data) {
986	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
987		1264
988	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
1004	sub object_freezer_save {	1281	sub object_freezer_save {
1005	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
1006		1283
1007	sync_job {	1284	sync_job {
1008	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
1009	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
1010	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
1011		1290
1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1013	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1015	aio_fsync $fh if $cf::USE_FSYNC;	1294	if ($cf::USE_FSYNC) {
		1295	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1296	aio_fsync $fh;
		1297	}
1016	close $fh;	1298	aio_close $fh;
1017		1299
1018	if (@$objs) {	1300	if (@$objs) {
1019	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1301	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1020	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
1021	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1022	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
1023	aio_fsync $fh if $cf::USE_FSYNC;	1305	if ($cf::USE_FSYNC) {
		1306	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1307	aio_fsync $fh;
		1308	}
1024	close $fh;	1309	aio_close $fh;
1025	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
1026	}	1311	}
1027	} else {	1312	} else {
1028	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
1029	}	1314	}
1030		1315
1031	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
1032	} else {	1320	} else {
1033	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
1034	}	1322	}
1035	} else {	1323	} else {
1036	aio_unlink $filename;	1324	aio_unlink $filename;
1037	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
1038	}	1326	}
1039	}	1327	};
1040	}	1328	}
1041		1329
1042	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
1043	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
1044		1332
…		…
1056	or return;	1344	or return;
1057		1345
1058	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
1059	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
1060	or return;	1348	or return;
		1349
1061	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
1062	}	1352	}
1063		1353
		1354	utf8::decode (my $decname = $filename);
1064	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
1065	$filename, length $data, scalar @{$av || []};	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
1066	return ($data, $av);	1359	($data, $av)
1067	}	1360	}
1068		1361
1069	=head2 COMMAND CALLBACKS	1362	=head2 COMMAND CALLBACKS
1070		1363
1071	=over 4	1364	=over 4
…		…
1125	my ($name, $cb) = @_;	1418	my ($name, $cb) = @_;
1126		1419
1127	$EXTICMD{$name} = $cb;	1420	$EXTICMD{$name} = $cb;
1128	}	1421	}
1129		1422
		1423	use File::Glob ();
		1424
1130	cf::player->attach (	1425	cf::player->attach (
1131	on_command => sub {	1426	on_unknown_command => sub {
1132	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
1133		1428
1134	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
1135	or return;	1430	or return;
1136		1431
…		…
1159		1454
1160	$pl->ext_reply ($reply, @reply)	1455	$pl->ext_reply ($reply, @reply)
1161	if $reply;	1456	if $reply;
1162		1457
1163	} else {	1458	} else {
1164	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1165	}	1460	}
1166		1461
1167	cf::override;	1462	cf::override;
1168	},	1463	},
1169	);	1464	);
1170		1465
		1466	# "readahead" all extensions
		1467	sub cache_extensions {
		1468	my $grp = IO::AIO::aio_group;
		1469
		1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1471	for (grep /\.ext$/, @{$_[0]}) {
		1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1473	}
		1474	};
		1475
		1476	$grp
		1477	}
		1478
1171	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
1172	cf::sync_job {	1482	cf::sync_job {
1173	my %todo;	1483	my %todo;
1174		1484
1175	for my $path (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
1176	next unless -r $path;	1486	next unless -r $path;
…		…
1194		1504
1195	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1196	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1197		1507
1198	$ext{source} =	1508	$ext{source} =
1199	"package $pkg; use strict; use utf8;\n"	1509	"package $pkg; use common::sense;\n"
1200	. "#line 1 \"$path\"\n{\n"	1510	. "#line 1 \"$path\"\n{\n"
1201	. $source	1511	. $source
1202	. "\n};\n1";	1512	. "\n};\n1";
1203		1513
1204	$todo{$base} = \%ext;	1514	$todo{$base} = \%ext;
1205	}	1515	}
1206		1516
		1517	my $pass = 0;
1207	my %done;	1518	my %done;
1208	while (%todo) {	1519	while (%todo) {
1209	my $progress;	1520	my $progress;
1210		1521
		1522	++$pass;
		1523
		1524	ext:
1211	while (my ($k, $v) = each %todo) {	1525	while (my ($k, $v) = each %todo) {
1212	for (split /,\s*/, $v->{meta}{depends}) {	1526	for (split /,\s*/, $v->{meta}{depends}) {
1213	goto skip	1527	next ext
1214	unless exists $done{$_};	1528	unless exists $done{$_};
1215	}	1529	}
1216		1530
1217	warn "... loading '$k' into '$v->{pkg}'\n";	1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1218		1532
1219	unless (eval $v->{source}) {	1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
1220	my $msg = $@ ? "$v->{path}: $@\n"	1536	error "$v->{path}: $@\n";
1221	: "$v->{base}: extension inactive.\n";
1222		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1223	if (exists $v->{meta}{mandatory}) {	1539	if exists $v->{meta}{mandatory};
1224	warn $msg;	1540
1225	warn "mandatory extension failed to load, exiting.\n";	1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1226	exit 1;	1542	delete $todo{$k};
1227	}	1543	} else {
1228		1544	$done{$k} = delete $todo{$k};
1229	warn $msg;	1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
1230	}	1550	}
1231
1232	$done{$k} = delete $todo{$k};
1233	push @EXTS, $v->{pkg};
1234	$progress = 1;
1235	}	1551	}
1236		1552
1237	skip:	1553	unless ($progress) {
1238	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1239	unless $progress;	1555
		1556	while (my ($k, $v) = each %todo) {
		1557	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559	}
		1560
		1561	last;
		1562	}
1240	}	1563	}
1241	};	1564	};
1242	}	1565	}
1243		1566
1244	#############################################################################	1567	#############################################################################
1245		1568
1246	=back	1569	=back
1247		1570
1248	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
1249		1572
1250	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
1251		1574
1252	=cut	1575	=cut
1253		1576
1254	package cf::player;	1577	package cf::player;
1255		1578
1256	use Coro::AIO;	1579	use Coro::AIO;
1257		1580
1258	=head3 cf::player	1581	=head3 cf::player
1259		1582
1260	=over 4	1583	=over 4
		1584
		1585	=item cf::player::num_playing
		1586
		1587	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1588
		1589	=cut
		1590
		1591	sub num_playing {
		1592	scalar grep
		1593	$_->ob->map
		1594	&& !$_->hidden
		1595	&& !$_->ob->flag (cf::FLAG_WIZ),
		1596	cf::player::list
		1597	}
1261		1598
1262	=item cf::player::find $login	1599	=item cf::player::find $login
1263		1600
1264	Returns the given player object, loading it if necessary (might block).	1601	Returns the given player object, loading it if necessary (might block).
1265		1602
…		…
1284		1621
1285	sub exists($) {	1622	sub exists($) {
1286	my ($login) = @_;	1623	my ($login) = @_;
1287		1624
1288	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
1289	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
1290	}	1627	}
1291		1628
1292	sub find($) {	1629	sub find($) {
1293	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
1294	my $login = $_[0];	1631	my $login = $_[0];
…		…
1301	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1638	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1302	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1639	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1303	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1640	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1304	aio_unlink +(playerdir $login) . "/$login.pl";	1641	aio_unlink +(playerdir $login) . "/$login.pl";
1305		1642
1306	my $pl = load_pl path $login	1643	my $f = new_from_file cf::object::thawer path $login
1307	or return;	1644	or return;
		1645
		1646	my $pl = cf::player::load_pl $f
		1647	or return;
		1648
		1649	local $cf::PLAYER_LOADING{$login} = $pl;
		1650	$f->resolve_delayed_derefs;
1308	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1309	}	1652	}
1310	}	1653	}
1311	}	1654	}
		1655
		1656	cf::player->attach (
		1657	on_load => sub {
		1658	my ($pl, $path) = @_;
		1659
		1660	# restore slots saved in save, below
		1661	my $slots = delete $pl->{_slots};
		1662
		1663	$pl->ob->current_weapon ($slots->[0]);
		1664	$pl->combat_ob ($slots->[1]);
		1665	$pl->ranged_ob ($slots->[2]);
		1666	},
		1667	);
1312		1668
1313	sub save($) {	1669	sub save($) {
1314	my ($pl) = @_;	1670	my ($pl) = @_;
1315		1671
1316	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
…		…
1321	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1322		1678
1323	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1324	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
1325		1681
		1682	cf::get_slot 0.01;
		1683
		1684	# save slots, to be restored later
		1685	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1686
1326	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1327	Coro::cede;	1688	cf::cede_to_tick;
1328	}	1689	}
1329		1690
1330	sub new($) {	1691	sub new($) {
1331	my ($login) = @_;	1692	my ($login) = @_;
1332		1693
…		…
1361	my ($pl) = @_;	1722	my ($pl) = @_;
1362		1723
1363	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1364		1725
1365	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1366	$pl->password ("*"); # this should lock out the player until we nuked the dir	1727	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1367		1728
1368	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1369	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1370	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1371	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1372		1737
1373	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1374	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1375	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1410	or return [];	1775	or return [];
1411		1776
1412	my @logins;	1777	my @logins;
1413		1778
1414	for my $login (@$dirs) {	1779	for my $login (@$dirs) {
		1780	my $path = path $login;
		1781
		1782	# a .pst is a dead give-away for a valid player
		1783	# if no pst file found, open and chekc for blocked users
		1784	if (aio_stat "$path.pst") {
1415	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1416	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1417	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1418		1789
1419	utf8::decode $login;	1790	utf8::decode $login;
1420	push @logins, $login;	1791	push @logins, $login;
1421	}	1792	}
1422		1793
1423	\@logins	1794	\@logins
1424	}	1795	}
1425		1796
1426	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1427		1800
1428	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1429	player. May block.	1802	player. May block.
1430		1803
1431	=cut	1804	=cut
…		…
1449	}	1822	}
1450		1823
1451	\@paths	1824	\@paths
1452	}	1825	}
1453		1826
1454	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1455		1828
1456	Expand crossfire pod fragments into protocol xml.	1829	Expand deliantra pod fragments into protocol xml.
1457
1458	=cut
1459
1460	sub expand_cfpod {
1461	((my $self), (local $_)) = @_;
1462
1463	# escape & and <
1464	s/&/&amp;/g;
1465	s/(?<![BIUGH])</&lt;/g;
1466
1467	# this is buggy, it needs to properly take care of nested <'s
1468
1469	1 while
1470	# replace B<>, I<>, U<> etc.
1471	s/B<([^\>]*)>/<b>$1<\/b>/
1472	|| s/I<([^\>]*)>/<i>$1<\/i>/
1473	|| s/U<([^\>]*)>/<u>$1<\/u>/
1474	# replace G<male|female> tags
1475	|| s{G<([^>|]*)\|([^>]*)>}{
1476	$self->gender ? $2 : $1
1477	}ge
1478	# replace H<hint text>
1479	|| s{H<([^\>]*)>}
1480	{
1481	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1482	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1483	"")
1484	[$self->{hintmode}]
1485	}ge;
1486
1487	# create single paragraphs (very hackish)
1488	s/(?<=\S)\n(?=\w)/ /g;
1489
1490	# compress some whitespace
1491	s/\s+\n/\n/g; # ws line-ends
1492	s/\n\n+/\n/g; # double lines
1493	s/^\n+//; # beginning lines
1494	s/\n+$//; # ending lines
1495
1496	$_
1497	}
1498
1499	sub hintmode {
1500	$_[0]{hintmode} = $_[1] if @_ > 1;
1501	$_[0]{hintmode}
1502	}
1503		1830
1504	=item $player->ext_reply ($msgid, @msg)	1831	=item $player->ext_reply ($msgid, @msg)
1505		1832
1506	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1507		1834
…		…
1539		1866
1540	=cut	1867	=cut
1541		1868
1542	sub find_by_path($) {	1869	sub find_by_path($) {
1543	my ($path) = @_;	1870	my ($path) = @_;
		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
1544		1873
1545	my ($match, $specificity);	1874	my ($match, $specificity);
1546		1875
1547	for my $region (list) {	1876	for my $region (list) {
1548	if ($region->{match} && $path =~ $region->{match}) {	1877	if ($region->{match} && $path =~ $region->{match}) {
…		…
1574	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1575	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1576		1905
1577	sub generate_random_map {	1906	sub generate_random_map {
1578	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1579	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1580	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1581	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1582	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1583	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1584	$rmp->{exit_on_final_map},
1585	$rmp->{xsize}, $rmp->{ysize},
1586	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1587	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1588	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1589	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1590	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1591	(cf::region::find $rmp->{region}), $rmp->{custom}
1592	)
1593	}	1912	}
1594		1913
1595	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1596		1915
1597	Register a handler for the map path matching the given regex at the	1916	Register a handler for the map path matching the given regex at the
…		…
1602		1921
1603	sub register {	1922	sub register {
1604	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1605	my $pkg = caller;	1924	my $pkg = caller;
1606		1925
1607	no strict;
1608	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1609		1927
1610	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1611	}	1929	}
1612		1930
1613	# also paths starting with '/'	1931	# also paths starting with '/'
1614	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1615		1933
1616	sub thawer_merge {	1934	sub thawer_merge {
1617	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1618		1936
1619	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
…		…
1624	}	1942	}
1625		1943
1626	sub normalise {	1944	sub normalise {
1627	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1628		1946
1629	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1630		1948
1631	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1632		1950
1633	# map plan:	1951	# map plan:
1634	#	1952	#
…		…
1636	# {... are special paths that are not being touched	1954	# {... are special paths that are not being touched
1637	# ?xxx/... are special absolute paths	1955	# ?xxx/... are special absolute paths
1638	# ?random/... random maps	1956	# ?random/... random maps
1639	# /... normal maps	1957	# /... normal maps
1640	# ~user/... per-player map of a specific user	1958	# ~user/... per-player map of a specific user
		1959	# !up !down for quad maps, or other maps with up/down layers
1641		1960
1642	$path =~ s/$PATH_SEP/\//go;	1961	$path =~ s/$PATH_SEP/\//go;
1643		1962
1644	# treat it as relative path if it starts with	1963	# treat it as relative path if it starts with
1645	# something that looks reasonable	1964	# something that looks reasonable
1646	if ($path =~ m{^(?:\./|\.\./|\w)}) {	1965	if ($path =~ m{^(?:\./|\.\./|\w)}) {
1647	$base or Carp::carp "normalise called with relative path and no base: '$path'";	1966	$base or Carp::carp "normalise called with relative path and no base: '$path'";
1648		1967
1649	$base =~ s{[^/]+/?$}{};	1968	$base =~ s{[^/]+/?$}{};
1650	$path = "$base/$path";	1969	$path = "$base/$path";
		1970
		1971	} elsif ($path eq '!up') {
		1972	$base && ref $base
		1973	or Carp::carp "normalise called with relative tile path and no base: '$path'";
		1974
		1975	my $uppth = $base->tile_path (cf::TILE_UP);
		1976	$path = $uppth if $uppth;
		1977
		1978	} elsif ($path eq '!down') {
		1979	$base && ref $base
		1980	or Carp::carp "normalise called with relative tile path and no base: '$path'";
		1981
		1982	my $dpth = $base->tile_path (cf::TILE_DOWN);
		1983	$path = $dpth if $dpth;
1651	}	1984	}
1652		1985
1653	for ($path) {	1986	for ($path) {
1654	redo if s{//}{/};
1655	redo if s{/\.?/}{/};	1987	redo if s{/\.?/}{/};
1656	redo if s{/[^/]+/\.\./}{/};	1988	redo if s{/[^/]+/\.\./}{/};
1657	}	1989	}
1658		1990
1659	$path	1991	$path
…		…
1673	$self->init; # pass $1 etc.	2005	$self->init; # pass $1 etc.
1674	return $self;	2006	return $self;
1675	}	2007	}
1676	}	2008	}
1677		2009
1678	Carp::cluck "unable to resolve path '$path' (base '$base').";	2010	Carp::cluck "unable to resolve path '$path' (base '$base')";
1679	()	2011	()
1680	}	2012	}
1681		2013
		2014	# may re-bless or do other evil things
1682	sub init {	2015	sub init {
1683	my ($self) = @_;	2016	my ($self) = @_;
1684		2017
1685	$self	2018	$self
1686	}	2019	}
…		…
1705		2038
1706	# the temporary/swap location	2039	# the temporary/swap location
1707	sub save_path {	2040	sub save_path {
1708	my ($self) = @_;	2041	my ($self) = @_;
1709		2042
1710	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2043	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1711	"$TMPDIR/$path.map"	2044	"$TMPDIR/$path.map"
1712	}	2045	}
1713		2046
1714	# the unique path, undef == no special unique path	2047	# the unique path, undef == no special unique path
1715	sub uniq_path {	2048	sub uniq_path {
1716	my ($self) = @_;	2049	my ($self) = @_;
1717		2050
1718	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2051	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1719	"$UNIQUEDIR/$path"	2052	"$UNIQUEDIR/$path"
1720	}
1721
1722	# and all this just because we cannot iterate over
1723	# all maps in C++...
1724	sub change_all_map_light {
1725	my ($change) = @_;
1726
1727	$_->change_map_light ($change)
1728	for grep $_->outdoor, values %cf::MAP;
1729	}	2053	}
1730		2054
1731	sub decay_objects {	2055	sub decay_objects {
1732	my ($self) = @_;	2056	my ($self) = @_;
1733		2057
…		…
1746		2070
1747	sub load_header_from($) {	2071	sub load_header_from($) {
1748	my ($self, $path) = @_;	2072	my ($self, $path) = @_;
1749		2073
1750	utf8::encode $path;	2074	utf8::encode $path;
1751	#aio_open $path, O_RDONLY, 0	2075	my $f = new_from_file cf::object::thawer $path
1752	# or return;
1753
1754	$self->_load_header ($path)
1755	or return;	2076	or return;
		2077
		2078	$self->_load_header ($f)
		2079	or return;
		2080
		2081	local $MAP_LOADING{$self->{path}} = $self;
		2082	$f->resolve_delayed_derefs;
1756		2083
1757	$self->{load_path} = $path;	2084	$self->{load_path} = $path;
1758		2085
1759	1	2086	1
1760	}	2087	}
…		…
1812		2139
1813	sub find;	2140	sub find;
1814	sub find {	2141	sub find {
1815	my ($path, $origin) = @_;	2142	my ($path, $origin) = @_;
1816		2143
		2144	cf::cede_to_tick;
		2145
1817	$path = normalise $path, $origin && $origin->path;	2146	$path = normalise $path, $origin;
1818		2147
		2148	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1819	cf::lock_wait "map_find:$path";	2149	my $guard2 = cf::lock_acquire "map_find:$path";
1820		2150
1821	$cf::MAP{$path} || do {	2151	$cf::MAP{$path} || do {
1822	my $guard = cf::lock_acquire "map_find:$path";
1823	my $map = new_from_path cf::map $path	2152	my $map = new_from_path cf::map $path
1824	or return;	2153	or return;
1825		2154
1826	$map->{last_save} = $cf::RUNTIME;	2155	$map->{last_save} = $cf::RUNTIME;
1827		2156
…		…
1829	or return;	2158	or return;
1830		2159
1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2160	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1832	# doing this can freeze the server in a sync job, obviously	2161	# doing this can freeze the server in a sync job, obviously
1833	#$cf::WAIT_FOR_TICK->wait;	2162	#$cf::WAIT_FOR_TICK->wait;
		2163	undef $guard2;
		2164	undef $guard1;
1834	$map->reset;	2165	$map->reset;
1835	undef $guard;
1836	return find $path;	2166	return find $path;
1837	}	2167	}
1838		2168
1839	$cf::MAP{$path} = $map	2169	$cf::MAP{$path} = $map
1840	}	2170	}
1841	}	2171	}
1842		2172
1843	sub pre_load { }	2173	sub pre_load { }
1844	sub post_load { }	2174	#sub post_load { } # XS
1845		2175
1846	sub load {	2176	sub load {
1847	my ($self) = @_;	2177	my ($self) = @_;
1848		2178
1849	local $self->{deny_reset} = 1; # loading can take a long time	2179	local $self->{deny_reset} = 1; # loading can take a long time
1850		2180
1851	my $path = $self->{path};	2181	my $path = $self->{path};
1852		2182
1853	{	2183	{
1854	my $guard = cf::lock_acquire "map_load:$path";	2184	my $guard = cf::lock_acquire "map_data:$path";
1855		2185
		2186	return unless $self->valid;
1856	return if $self->in_memory != cf::MAP_SWAPPED;	2187	return unless $self->in_memory == cf::MAP_SWAPPED;
1857		2188
1858	$self->in_memory (cf::MAP_LOADING);	2189	$self->in_memory (cf::MAP_LOADING);
1859		2190
1860	$self->alloc;	2191	$self->alloc;
1861		2192
1862	$self->pre_load;	2193	$self->pre_load;
1863	Coro::cede;	2194	cf::cede_to_tick;
1864		2195
1865	$self->_load_objects ($self->{load_path}, 1)	2196	if (exists $self->{load_path}) {
		2197	my $f = new_from_file cf::object::thawer $self->{load_path};
		2198	$f->skip_block;
		2199	$self->_load_objects ($f)
1866	or return;	2200	or return;
1867		2201
1868	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2202	$self->post_load_original
1869	if delete $self->{load_original};	2203	if delete $self->{load_original};
1870		2204
1871	if (my $uniq = $self->uniq_path) {	2205	if (my $uniq = $self->uniq_path) {
1872	utf8::encode $uniq;	2206	utf8::encode $uniq;
1873	if (aio_open $uniq, O_RDONLY, 0) {	2207	unless (aio_stat $uniq) {
		2208	if (my $f = new_from_file cf::object::thawer $uniq) {
1874	$self->clear_unique_items;	2209	$self->clear_unique_items;
1875	$self->_load_objects ($uniq, 0);	2210	$self->_load_objects ($f);
		2211	$f->resolve_delayed_derefs;
		2212	}
		2213	}
1876	}	2214	}
1877	}
1878		2215
1879	Coro::cede;	2216	$f->resolve_delayed_derefs;
		2217	}
		2218
		2219	cf::cede_to_tick;
1880	# now do the right thing for maps	2220	# now do the right thing for maps
1881	$self->link_multipart_objects;	2221	$self->link_multipart_objects;
1882	$self->difficulty ($self->estimate_difficulty)	2222	$self->difficulty ($self->estimate_difficulty)
1883	unless $self->difficulty;	2223	unless $self->difficulty;
1884	Coro::cede;	2224	cf::cede_to_tick;
1885		2225
1886	unless ($self->{deny_activate}) {	2226	unless ($self->{deny_activate}) {
1887	$self->decay_objects;	2227	$self->decay_objects;
1888	$self->fix_auto_apply;	2228	$self->fix_auto_apply;
1889	$self->update_buttons;	2229	$self->update_buttons;
1890	Coro::cede;	2230	cf::cede_to_tick;
1891	$self->set_darkness_map;
1892	Coro::cede;
1893	$self->activate;	2231	$self->activate;
1894	}	2232	}
1895		2233
1896	$self->{last_save} = $cf::RUNTIME;	2234	$self->{last_save} = $cf::RUNTIME;
1897	$self->last_access ($cf::RUNTIME);	2235	$self->last_access ($cf::RUNTIME);
1898		2236
1899	$self->in_memory (cf::MAP_IN_MEMORY);	2237	$self->in_memory (cf::MAP_ACTIVE);
1900	}	2238	}
1901		2239
1902	$self->post_load;	2240	$self->post_load;
1903	}
1904		2241
		2242	1
		2243	}
		2244
		2245	# customize the map for a given player, i.e.
		2246	# return the _real_ map. used by e.g. per-player
		2247	# maps to change the path to ~playername/mappath
1905	sub customise_for {	2248	sub customise_for {
1906	my ($self, $ob) = @_;	2249	my ($self, $ob) = @_;
1907		2250
1908	return find "~" . $ob->name . "/" . $self->{path}	2251	return find "~" . $ob->name . "/" . $self->{path}
1909	if $self->per_player;	2252	if $self->per_player;
…		…
1925	or next;	2268	or next;
1926	$neigh = find $neigh, $map	2269	$neigh = find $neigh, $map
1927	or next;	2270	or next;
1928	$neigh->load;	2271	$neigh->load;
1929		2272
		2273	# now find the diagonal neighbours
1930	push @neigh,	2274	push @neigh,
1931	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2275	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1932	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2276	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1933	}	2277	}
1934		2278
…		…
1941	}	2285	}
1942		2286
1943	sub find_sync {	2287	sub find_sync {
1944	my ($path, $origin) = @_;	2288	my ($path, $origin) = @_;
1945		2289
1946	cf::sync_job { find $path, $origin }	2290	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2291	if $Coro::current == $Coro::main;
		2292
		2293	find $path, $origin
1947	}	2294	}
1948		2295
1949	sub do_load_sync {	2296	sub do_load_sync {
1950	my ($map) = @_;	2297	my ($map) = @_;
1951		2298
1952	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2299	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
1953	if $Coro::current != $Coro::main;	2300	if $Coro::current == $Coro::main;
1954		2301
1955	cf::sync_job { $map->load };	2302	$map->load;
1956	}	2303	}
1957		2304
1958	our %MAP_PREFETCH;	2305	our %MAP_PREFETCH;
1959	our $MAP_PREFETCHER = undef;	2306	our $MAP_PREFETCHER = undef;
1960		2307
1961	sub find_async {	2308	sub find_async {
1962	my ($path, $origin, $load) = @_;	2309	my ($path, $origin, $load) = @_;
1963		2310
1964	$path = normalise $path, $origin && $origin->{path};	2311	$path = normalise $path, $origin;
1965		2312
1966	if (my $map = $cf::MAP{$path}) {	2313	if (my $map = $cf::MAP{$path}) {
1967	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2314	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1968	}	2315	}
1969		2316
1970	$MAP_PREFETCH{$path} |= $load;	2317	$MAP_PREFETCH{$path} |= $load;
1971		2318
1972	$MAP_PREFETCHER ||= cf::async {	2319	$MAP_PREFETCHER ||= cf::async {
		2320	$Coro::current->{desc} = "map prefetcher";
		2321
1973	while (%MAP_PREFETCH) {	2322	while (%MAP_PREFETCH) {
1974	while (my ($k, $v) = each %MAP_PREFETCH) {	2323	while (my ($k, $v) = each %MAP_PREFETCH) {
1975	if (my $map = find $k) {	2324	if (my $map = find $k) {
1976	$map->load if $v;	2325	$map->load if $v;
1977	}	2326	}
…		…
1984	$MAP_PREFETCHER->prio (6);	2333	$MAP_PREFETCHER->prio (6);
1985		2334
1986	()	2335	()
1987	}	2336	}
1988		2337
		2338	# common code, used by both ->save and ->swapout
1989	sub save {	2339	sub _save {
1990	my ($self) = @_;	2340	my ($self) = @_;
1991
1992	my $lock = cf::lock_acquire "map_data:" . $self->path;
1993		2341
1994	$self->{last_save} = $cf::RUNTIME;	2342	$self->{last_save} = $cf::RUNTIME;
1995		2343
1996	return unless $self->dirty;	2344	return unless $self->dirty;
1997		2345
…		…
2003	return if $self->{deny_save};	2351	return if $self->{deny_save};
2004		2352
2005	local $self->{last_access} = $self->last_access;#d#	2353	local $self->{last_access} = $self->last_access;#d#
2006		2354
2007	cf::async {	2355	cf::async {
		2356	$Coro::current->{desc} = "map player save";
2008	$_->contr->save for $self->players;	2357	$_->contr->save for $self->players;
2009	};	2358	};
		2359
		2360	cf::get_slot 0.02;
2010		2361
2011	if ($uniq) {	2362	if ($uniq) {
2012	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2363	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2013	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2364	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2014	} else {	2365	} else {
2015	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2366	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2016	}	2367	}
2017	}	2368	}
2018		2369
		2370	sub save {
		2371	my ($self) = @_;
		2372
		2373	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2374
		2375	$self->_save;
		2376	}
		2377
2019	sub swap_out {	2378	sub swap_out {
2020	my ($self) = @_;	2379	my ($self) = @_;
2021		2380
2022	# save first because save cedes
2023	$self->save;
2024
2025	my $lock = cf::lock_acquire "map_data:" . $self->path;	2381	my $lock = cf::lock_acquire "map_data:$self->{path}";
2026		2382
		2383	return if $self->in_memory != cf::MAP_ACTIVE;
		2384	return if $self->{deny_save};
2027	return if $self->players;	2385	return if $self->players;
2028	return if $self->in_memory != cf::MAP_IN_MEMORY;
2029	return if $self->{deny_save};
2030		2386
		2387	# first deactivate the map and "unlink" it from the core
		2388	$self->deactivate;
		2389	$_->clear_links_to ($self) for values %cf::MAP;
		2390	$self->in_memory (cf::MAP_SWAPPED);
		2391
		2392	# then atomically save
		2393	$self->_save;
		2394
		2395	# then free the map
2031	$self->clear;	2396	$self->clear;
2032	$self->in_memory (cf::MAP_SWAPPED);
2033	}	2397	}
2034		2398
2035	sub reset_at {	2399	sub reset_at {
2036	my ($self) = @_;	2400	my ($self) = @_;
2037		2401
…		…
2055		2419
2056	my $lock = cf::lock_acquire "map_data:$self->{path}";	2420	my $lock = cf::lock_acquire "map_data:$self->{path}";
2057		2421
2058	return if $self->players;	2422	return if $self->players;
2059		2423
2060	warn "resetting map ", $self->path;	2424	cf::trace "resetting map ", $self->path, "\n";
2061		2425
2062	$self->in_memory (cf::MAP_SWAPPED);	2426	$self->in_memory (cf::MAP_SWAPPED);
2063		2427
2064	# need to save uniques path	2428	# need to save uniques path
2065	unless ($self->{deny_save}) {	2429	unless ($self->{deny_save}) {
…		…
2069	if $uniq;	2433	if $uniq;
2070	}	2434	}
2071		2435
2072	delete $cf::MAP{$self->path};	2436	delete $cf::MAP{$self->path};
2073		2437
		2438	$self->deactivate;
		2439	$_->clear_links_to ($self) for values %cf::MAP;
2074	$self->clear;	2440	$self->clear;
2075
2076	$_->clear_links_to ($self) for values %cf::MAP;
2077		2441
2078	$self->unlink_save;	2442	$self->unlink_save;
2079	$self->destroy;	2443	$self->destroy;
2080	}	2444	}
2081		2445
2082	my $nuke_counter = "aaaa";	2446	my $nuke_counter = "aaaa";
2083		2447
2084	sub nuke {	2448	sub nuke {
2085	my ($self) = @_;	2449	my ($self) = @_;
2086		2450
		2451	{
		2452	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2453
2087	delete $cf::MAP{$self->path};	2454	delete $cf::MAP{$self->path};
2088		2455
2089	$self->unlink_save;	2456	$self->unlink_save;
2090		2457
2091	bless $self, "cf::map";	2458	bless $self, "cf::map::wrap";
2092	delete $self->{deny_reset};	2459	delete $self->{deny_reset};
2093	$self->{deny_save} = 1;	2460	$self->{deny_save} = 1;
2094	$self->reset_timeout (1);	2461	$self->reset_timeout (1);
2095	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2462	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2096		2463
2097	$cf::MAP{$self->path} = $self;	2464	$cf::MAP{$self->path} = $self;
		2465	}
2098		2466
2099	$self->reset; # polite request, might not happen	2467	$self->reset; # polite request, might not happen
2100	}	2468	}
2101		2469
2102	=item $maps = cf::map::tmp_maps	2470	=item $maps = cf::map::tmp_maps
…		…
2144		2512
2145	sub unique_maps() {	2513	sub unique_maps() {
2146	[	2514	[
2147	map {	2515	map {
2148	utf8::decode $_;	2516	utf8::decode $_;
2149	/\.map$/	2517	s/\.map$//; # TODO future compatibility hack
		2518	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2519	? ()
2150	? normalise $_	2520	: normalise $_
2151	: ()
2152	} @{ aio_readdir $UNIQUEDIR or [] }	2521	} @{ aio_readdir $UNIQUEDIR or [] }
2153	]	2522	]
2154	}	2523	}
2155		2524
2156	package cf;	2525	=item cf::map::static_maps
		2526
		2527	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2528	file in the shared directory excluding F</styles> and F</editor>). May
		2529	block.
		2530
		2531	=cut
		2532
		2533	sub static_maps() {
		2534	my @dirs = "";
		2535	my @maps;
		2536
		2537	while (@dirs) {
		2538	my $dir = shift @dirs;
		2539
		2540	next if $dir eq "/styles" || $dir eq "/editor";
		2541
		2542	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2543	or return;
		2544
		2545	for (@$files) {
		2546	s/\.map$// or next;
		2547	utf8::decode $_;
		2548	push @maps, "$dir/$_";
		2549	}
		2550
		2551	push @dirs, map "$dir/$_", @$dirs;
		2552	}
		2553
		2554	\@maps
		2555	}
2157		2556
2158	=back	2557	=back
2159		2558
2160	=head3 cf::object	2559	=head3 cf::object
2161		2560
…		…
2165		2564
2166	=over 4	2565	=over 4
2167		2566
2168	=item $ob->inv_recursive	2567	=item $ob->inv_recursive
2169		2568
2170	Returns the inventory of the object _and_ their inventories, recursively.	2569	Returns the inventory of the object I<and> their inventories, recursively,
		2570	but I<not> the object itself.
2171		2571
2172	=cut	2572	=cut
2173		2573
2174	sub inv_recursive_;	2574	sub inv_recursive_;
2175	sub inv_recursive_ {	2575	sub inv_recursive_ {
…		…
2178		2578
2179	sub inv_recursive {	2579	sub inv_recursive {
2180	inv_recursive_ inv $_[0]	2580	inv_recursive_ inv $_[0]
2181	}	2581	}
2182		2582
		2583	=item $ref = $ob->ref
		2584
		2585	Creates and returns a persistent reference to an object that can be stored as a string.
		2586
		2587	=item $ob = cf::object::deref ($refstring)
		2588
		2589	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2590	even if the object actually exists. May block.
		2591
		2592	=cut
		2593
		2594	sub deref {
		2595	my ($ref) = @_;
		2596
		2597	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2598	my ($uuid, $name) = ($1, $2);
		2599	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2600	or return;
		2601	$pl->ob->uuid eq $uuid
		2602	or return;
		2603
		2604	$pl->ob
		2605	} else {
		2606	warn "$ref: cannot resolve object reference\n";
		2607	undef
		2608	}
		2609	}
		2610
2183	package cf;	2611	package cf;
2184		2612
2185	=back	2613	=back
2186		2614
2187	=head3 cf::object::player	2615	=head3 cf::object::player
…		…
2193	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2621	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2194	can be C<undef>. Does the right thing when the player is currently in a	2622	can be C<undef>. Does the right thing when the player is currently in a
2195	dialogue with the given NPC character.	2623	dialogue with the given NPC character.
2196		2624
2197	=cut	2625	=cut
		2626
		2627	our $SAY_CHANNEL = {
		2628	id => "say",
		2629	title => "Map",
		2630	reply => "say ",
		2631	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2632	};
		2633
		2634	our $CHAT_CHANNEL = {
		2635	id => "chat",
		2636	title => "Chat",
		2637	reply => "chat ",
		2638	tooltip => "Player chat and shouts, global to the server.",
		2639	};
2198		2640
2199	# rough implementation of a future "reply" method that works	2641	# rough implementation of a future "reply" method that works
2200	# with dialog boxes.	2642	# with dialog boxes.
2201	#TODO: the first argument must go, split into a $npc->reply_to ( method	2643	#TODO: the first argument must go, split into a $npc->reply_to ( method
2202	sub cf::object::player::reply($$$;$) {	2644	sub cf::object::player::reply($$$;$) {
…		…
2214	my $dialog = $pl->{npc_dialog};	2656	my $dialog = $pl->{npc_dialog};
2215	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2657	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2216		2658
2217	} else {	2659	} else {
2218	$msg = $npc->name . " says: $msg" if $npc;	2660	$msg = $npc->name . " says: $msg" if $npc;
2219	$self->message ($msg, $flags);	2661	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2220	}	2662	}
2221	}	2663	}
2222	}	2664	}
2223		2665
2224	=item $object->send_msg ($channel, $msg, $color, [extra...])	2666	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2249		2691
2250	=item $player_object->enter_link	2692	=item $player_object->enter_link
2251		2693
2252	Freezes the player and moves him/her to a special map (C<{link}>).	2694	Freezes the player and moves him/her to a special map (C<{link}>).
2253		2695
2254	The player should be reasonably safe there for short amounts of time. You	2696	The player should be reasonably safe there for short amounts of time (e.g.
2255	I<MUST> call C<leave_link> as soon as possible, though.	2697	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2698	though, as the player cannot control the character while it is on the link
		2699	map.
2256		2700
2257	Will never block.	2701	Will never block.
2258		2702
2259	=item $player_object->leave_link ($map, $x, $y)	2703	=item $player_object->leave_link ($map, $x, $y)
2260		2704
…		…
2280	sub cf::object::player::enter_link {	2724	sub cf::object::player::enter_link {
2281	my ($self) = @_;	2725	my ($self) = @_;
2282		2726
2283	$self->deactivate_recursive;	2727	$self->deactivate_recursive;
2284		2728
		2729	++$self->{_link_recursion};
		2730
2285	return if UNIVERSAL::isa $self->map, "ext::map_link";	2731	return if UNIVERSAL::isa $self->map, "ext::map_link";
2286		2732
2287	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2733	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2288	if $self->map && $self->map->{path} ne "{link}";	2734	if $self->map && $self->map->{path} ne "{link}";
2289		2735
2290	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2736	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2291	}	2737	}
2292		2738
2293	sub cf::object::player::leave_link {	2739	sub cf::object::player::leave_link {
2294	my ($self, $map, $x, $y) = @_;	2740	my ($self, $map, $x, $y) = @_;
2295		2741
…		…
2312	($x, $y) = (-1, -1)	2758	($x, $y) = (-1, -1)
2313	unless (defined $x) && (defined $y);	2759	unless (defined $x) && (defined $y);
2314		2760
2315	# use -1 or undef as default coordinates, not 0, 0	2761	# use -1 or undef as default coordinates, not 0, 0
2316	($x, $y) = ($map->enter_x, $map->enter_y)	2762	($x, $y) = ($map->enter_x, $map->enter_y)
2317	if $x <=0 && $y <= 0;	2763	if $x <= 0 && $y <= 0;
2318		2764
2319	$map->load;	2765	$map->load;
2320	$map->load_neighbours;	2766	$map->load_neighbours;
2321		2767
2322	return unless $self->contr->active;	2768	return unless $self->contr->active;
2323	$self->activate_recursive;
2324		2769
2325	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2770	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2326	$self->enter_map ($map, $x, $y);	2771	if ($self->enter_map ($map, $x, $y)) {
2327	}	2772	# entering was successful
		2773	delete $self->{_link_recursion};
		2774	# only activate afterwards, to support waiting in hooks
		2775	$self->activate_recursive;
		2776	}
2328		2777
		2778	}
		2779
2329	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2780	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2330		2781
2331	Moves the player to the given map-path and coordinates by first freezing	2782	Moves the player to the given map-path and coordinates by first freezing
2332	her, loading and preparing them map, calling the provided $check callback	2783	her, loading and preparing them map, calling the provided $check callback
2333	that has to return the map if sucecssful, and then unfreezes the player on	2784	that has to return the map if sucecssful, and then unfreezes the player on
2334	the new (success) or old (failed) map position. In either case, $done will	2785	the new (success) or old (failed) map position. In either case, $done will
2335	be called at the end of this process.	2786	be called at the end of this process.
2336		2787
		2788	Note that $check will be called with a potentially non-loaded map, so if
		2789	it needs a loaded map it has to call C<< ->load >>.
		2790
2337	=cut	2791	=cut
2338		2792
2339	our $GOTOGEN;	2793	our $GOTOGEN;
2340		2794
2341	sub cf::object::player::goto {	2795	sub cf::object::player::goto {
2342	my ($self, $path, $x, $y, $check, $done) = @_;	2796	my ($self, $path, $x, $y, $check, $done) = @_;
2343		2797
		2798	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2799	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2800	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2801	($path, $x, $y) = @$EMERGENCY_POSITION;
		2802	}
		2803
2344	# do generation counting so two concurrent goto's will be executed in-order	2804	# do generation counting so two concurrent goto's will be executed in-order
2345	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2805	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2346		2806
2347	$self->enter_link;	2807	$self->enter_link;
2348		2808
2349	(async {	2809	(async {
		2810	$Coro::current->{desc} = "player::goto $path $x $y";
		2811
		2812	# *tag paths override both path and x|y
		2813	if ($path =~ /^\*(.*)$/) {
		2814	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2815	my $ob = $obs[rand @obs];
		2816
		2817	# see if we actually can go there
		2818	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2819	$ob = $obs[rand @obs];
		2820	} else {
		2821	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2822	}
		2823	# else put us there anyways for now #d#
		2824
		2825	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2826	} else {
		2827	($path, $x, $y) = (undef, undef, undef);
		2828	}
		2829	}
		2830
2350	my $map = eval {	2831	my $map = eval {
2351	my $map = cf::map::find $path;	2832	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2352		2833
2353	if ($map) {	2834	if ($map) {
2354	$map = $map->customise_for ($self);	2835	$map = $map->customise_for ($self);
2355	$map = $check->($map) if $check && $map;	2836	$map = $check->($map, $x, $y, $self) if $check && $map;
2356	} else {	2837	} else {
2357	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2838	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2358	}	2839	}
2359		2840
2360	$map	2841	$map
2361	};	2842	};
2362		2843
…		…
2368	if ($gen == $self->{_goto_generation}) {	2849	if ($gen == $self->{_goto_generation}) {
2369	delete $self->{_goto_generation};	2850	delete $self->{_goto_generation};
2370	$self->leave_link ($map, $x, $y);	2851	$self->leave_link ($map, $x, $y);
2371	}	2852	}
2372		2853
2373	$done->() if $done;	2854	$done->($self) if $done;
2374	})->prio (1);	2855	})->prio (1);
2375	}	2856	}
2376		2857
2377	=item $player_object->enter_exit ($exit_object)	2858	=item $player_object->enter_exit ($exit_object)
2378		2859
…		…
2398	}	2879	}
2399		2880
2400	sub prepare_random_map {	2881	sub prepare_random_map {
2401	my ($exit) = @_;	2882	my ($exit) = @_;
2402		2883
2403	my $guard = cf::lock_acquire "exit_prepare:$exit";
2404
2405	# all this does is basically replace the /! path by	2884	# all this does is basically replace the /! path by
2406	# a new random map path (?random/...) with a seed	2885	# a new random map path (?random/...) with a seed
2407	# that depends on the exit object	2886	# that depends on the exit object
2408		2887
2409	my $rmp = parse_random_map_params $exit->msg;	2888	my $rmp = parse_random_map_params $exit->msg;
…		…
2411	if ($exit->map) {	2890	if ($exit->map) {
2412	$rmp->{region} = $exit->region->name;	2891	$rmp->{region} = $exit->region->name;
2413	$rmp->{origin_map} = $exit->map->path;	2892	$rmp->{origin_map} = $exit->map->path;
2414	$rmp->{origin_x} = $exit->x;	2893	$rmp->{origin_x} = $exit->x;
2415	$rmp->{origin_y} = $exit->y;	2894	$rmp->{origin_y} = $exit->y;
		2895
		2896	$exit->map->touch;
2416	}	2897	}
2417		2898
2418	$rmp->{random_seed} ||= $exit->random_seed;	2899	$rmp->{random_seed} ||= $exit->random_seed;
2419		2900
2420	my $data = cf::to_json $rmp;	2901	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2421	my $md5 = Digest::MD5::md5_hex $data;	2902	my $md5 = Digest::MD5::md5_hex $data;
2422	my $meta = "$RANDOMDIR/$md5.meta";	2903	my $meta = "$RANDOMDIR/$md5.meta";
2423		2904
2424	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2905	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2425	aio_write $fh, 0, (length $data), $data, 0;	2906	aio_write $fh, 0, (length $data), $data, 0;
2426	undef $fh;	2907	undef $fh;
2427	aio_rename "$meta~", $meta;	2908	aio_rename "$meta~", $meta;
2428		2909
		2910	my $slaying = "?random/$md5";
		2911
		2912	if ($exit->valid) {
2429	$exit->slaying ("?random/$md5");	2913	$exit->slaying ("?random/$md5");
2430	$exit->msg (undef);	2914	$exit->msg (undef);
		2915	}
2431	}	2916	}
2432	}	2917	}
2433		2918
2434	sub cf::object::player::enter_exit {	2919	sub cf::object::player::enter_exit {
2435	my ($self, $exit) = @_;	2920	my ($self, $exit) = @_;
2436		2921
2437	return unless $self->type == cf::PLAYER;	2922	return unless $self->type == cf::PLAYER;
2438		2923
2439	if ($exit->slaying eq "/!") {
2440	#TODO: this should de-fi-ni-te-ly not be a sync-job
2441	# the problem is that $exit might not survive long enough
2442	# so it needs to be done right now, right here
2443	cf::sync_job { prepare_random_map $exit };
2444	}
2445
2446	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2447	my $hp = $exit->stats->hp;
2448	my $sp = $exit->stats->sp;
2449
2450	$self->enter_link;	2924	$self->enter_link;
2451		2925
2452	# if exit is damned, update players death & WoR home-position
2453	$self->contr->savebed ($slaying, $hp, $sp)
2454	if $exit->flag (FLAG_DAMNED);
2455
2456	(async {	2926	(async {
2457	$self->deactivate_recursive; # just to be sure	2927	$Coro::current->{desc} = "enter_exit";
		2928
2458	unless (eval {	2929	unless (eval {
		2930	$self->deactivate_recursive; # just to be sure
		2931
		2932	# random map handling
		2933	{
		2934	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2935
		2936	prepare_random_map $exit
		2937	if $exit->slaying eq "/!";
		2938	}
		2939
		2940	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2941	my $x = $exit->stats->hp;
		2942	my $y = $exit->stats->sp;
		2943
2459	$self->goto ($slaying, $hp, $sp);	2944	$self->goto ($map, $x, $y);
2460		2945
		2946	# if exit is damned, update players death & WoR home-position
		2947	$self->contr->savebed ($map, $x, $y)
		2948	if $exit->flag (cf::FLAG_DAMNED);
		2949
2461	1;	2950	1
2462	}) {	2951	}) {
2463	$self->message ("Something went wrong deep within the crossfire server. "	2952	$self->message ("Something went wrong deep within the deliantra server. "
2464	. "I'll try to bring you back to the map you were before. "	2953	. "I'll try to bring you back to the map you were before. "
2465	. "Please report this to the dungeon master!",	2954	. "Please report this to the dungeon master!",
2466	cf::NDI_UNIQUE | cf::NDI_RED);	2955	cf::NDI_UNIQUE | cf::NDI_RED);
2467		2956
2468	warn "ERROR in enter_exit: $@";	2957	error "ERROR in enter_exit: $@";
2469	$self->leave_link;	2958	$self->leave_link;
2470	}	2959	}
2471	})->prio (1);	2960	})->prio (1);
2472	}	2961	}
2473		2962
…		…
2485	sub cf::client::send_drawinfo {	2974	sub cf::client::send_drawinfo {
2486	my ($self, $text, $flags) = @_;	2975	my ($self, $text, $flags) = @_;
2487		2976
2488	utf8::encode $text;	2977	utf8::encode $text;
2489	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2978	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2979	}
		2980
		2981	=item $client->send_big_packet ($pkt)
		2982
		2983	Like C<send_packet>, but tries to compress large packets, and fragments
		2984	them as required.
		2985
		2986	=cut
		2987
		2988	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2989
		2990	sub cf::client::send_big_packet {
		2991	my ($self, $pkt) = @_;
		2992
		2993	# try lzf for large packets
		2994	$pkt = "lzf " . Compress::LZF::compress $pkt
		2995	if 1024 <= length $pkt and $self->{can_lzf};
		2996
		2997	# split very large packets
		2998	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2999	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3000	$pkt = "frag";
		3001	}
		3002
		3003	$self->send_packet ($pkt);
2490	}	3004	}
2491		3005
2492	=item $client->send_msg ($channel, $msg, $color, [extra...])	3006	=item $client->send_msg ($channel, $msg, $color, [extra...])
2493		3007
2494	Send a drawinfo or msg packet to the client, formatting the msg for the	3008	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2496	the message, with C<log> being the default. If C<$color> is negative, suppress	3010	the message, with C<log> being the default. If C<$color> is negative, suppress
2497	the message unless the client supports the msg packet.	3011	the message unless the client supports the msg packet.
2498		3012
2499	=cut	3013	=cut
2500		3014
		3015	# non-persistent channels (usually the info channel)
		3016	our %CHANNEL = (
		3017	"c/motd" => {
		3018	id => "infobox",
		3019	title => "MOTD",
		3020	reply => undef,
		3021	tooltip => "The message of the day",
		3022	},
		3023	"c/identify" => {
		3024	id => "infobox",
		3025	title => "Identify",
		3026	reply => undef,
		3027	tooltip => "Items recently identified",
		3028	},
		3029	"c/examine" => {
		3030	id => "infobox",
		3031	title => "Examine",
		3032	reply => undef,
		3033	tooltip => "Signs and other items you examined",
		3034	},
		3035	"c/shopinfo" => {
		3036	id => "infobox",
		3037	title => "Shop Info",
		3038	reply => undef,
		3039	tooltip => "What your bargaining skill tells you about the shop",
		3040	},
		3041	"c/book" => {
		3042	id => "infobox",
		3043	title => "Book",
		3044	reply => undef,
		3045	tooltip => "The contents of a note or book",
		3046	},
		3047	"c/lookat" => {
		3048	id => "infobox",
		3049	title => "Look",
		3050	reply => undef,
		3051	tooltip => "What you saw there",
		3052	},
		3053	"c/who" => {
		3054	id => "infobox",
		3055	title => "Players",
		3056	reply => undef,
		3057	tooltip => "Shows players who are currently online",
		3058	},
		3059	"c/body" => {
		3060	id => "infobox",
		3061	title => "Body Parts",
		3062	reply => undef,
		3063	tooltip => "Shows which body parts you posess and are available",
		3064	},
		3065	"c/statistics" => {
		3066	id => "infobox",
		3067	title => "Statistics",
		3068	reply => undef,
		3069	tooltip => "Shows your primary statistics",
		3070	},
		3071	"c/skills" => {
		3072	id => "infobox",
		3073	title => "Skills",
		3074	reply => undef,
		3075	tooltip => "Shows your experience per skill and item power",
		3076	},
		3077	"c/shopitems" => {
		3078	id => "infobox",
		3079	title => "Shop Items",
		3080	reply => undef,
		3081	tooltip => "Shows the items currently for sale in this shop",
		3082	},
		3083	"c/resistances" => {
		3084	id => "infobox",
		3085	title => "Resistances",
		3086	reply => undef,
		3087	tooltip => "Shows your resistances",
		3088	},
		3089	"c/pets" => {
		3090	id => "infobox",
		3091	title => "Pets",
		3092	reply => undef,
		3093	tooltip => "Shows information abotu your pets/a specific pet",
		3094	},
		3095	"c/perceiveself" => {
		3096	id => "infobox",
		3097	title => "Perceive Self",
		3098	reply => undef,
		3099	tooltip => "You gained detailed knowledge about yourself",
		3100	},
		3101	"c/uptime" => {
		3102	id => "infobox",
		3103	title => "Uptime",
		3104	reply => undef,
		3105	tooltip => "How long the server has been running since last restart",
		3106	},
		3107	"c/mapinfo" => {
		3108	id => "infobox",
		3109	title => "Map Info",
		3110	reply => undef,
		3111	tooltip => "Information related to the maps",
		3112	},
		3113	"c/party" => {
		3114	id => "party",
		3115	title => "Party",
		3116	reply => "gsay ",
		3117	tooltip => "Messages and chat related to your party",
		3118	},
		3119	"c/death" => {
		3120	id => "death",
		3121	title => "Death",
		3122	reply => undef,
		3123	tooltip => "Reason for and more info about your most recent death",
		3124	},
		3125	"c/say" => $SAY_CHANNEL,
		3126	"c/chat" => $CHAT_CHANNEL,
		3127	);
		3128
2501	sub cf::client::send_msg {	3129	sub cf::client::send_msg {
2502	my ($self, $channel, $msg, $color, @extra) = @_;	3130	my ($self, $channel, $msg, $color, @extra) = @_;
2503		3131
2504	$msg = $self->pl->expand_cfpod ($msg);	3132	$msg = $self->pl->expand_cfpod ($msg)
		3133	unless $color & cf::NDI_VERBATIM;
2505		3134
2506	$color &= cf::NDI_CLIENT_MASK; # just in case...	3135	$color &= cf::NDI_CLIENT_MASK; # just in case...
2507		3136
		3137	# check predefined channels, for the benefit of C
		3138	if ($CHANNEL{$channel}) {
		3139	$channel = $CHANNEL{$channel};
		3140
		3141	$self->ext_msg (channel_info => $channel);
		3142	$channel = $channel->{id};
		3143
2508	if (ref $channel) {	3144	} elsif (ref $channel) {
2509	# send meta info to client, if not yet sent	3145	# send meta info to client, if not yet sent
2510	unless (exists $self->{channel}{$channel->{id}}) {	3146	unless (exists $self->{channel}{$channel->{id}}) {
2511	$self->{channel}{$channel->{id}} = $channel;	3147	$self->{channel}{$channel->{id}} = $channel;
2512	$self->ext_msg (channel_info => $channel);	3148	$self->ext_msg (channel_info => $channel);
2513	}	3149	}
…		…
2515	$channel = $channel->{id};	3151	$channel = $channel->{id};
2516	}	3152	}
2517		3153
2518	return unless @extra || length $msg;	3154	return unless @extra || length $msg;
2519		3155
2520	if ($self->can_msg) {
2521	# default colour, mask it out	3156	# default colour, mask it out
2522	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3157	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2523	if $color & cf::NDI_DEF;	3158	if $color & cf::NDI_DEF;
2524		3159
2525	$self->send_packet ("msg " . $self->{json_coder}->encode (	3160	my $pkt = "msg "
		3161	. $self->{json_coder}->encode (
2526	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3162	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2527	} else {	3163	);
2528	if ($color >= 0) {
2529	# replace some tags by gcfclient-compatible ones
2530	for ($msg) {
2531	1 while
2532	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2533	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2534	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2535	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2536	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2537	}
2538		3164
2539	$color &= cf::NDI_COLOR_MASK;	3165	$self->send_big_packet ($pkt);
2540
2541	utf8::encode $msg;
2542
2543	if (0 && $msg =~ /\[/) {
2544	# COMMAND/INFO
2545	$self->send_packet ("drawextinfo $color 10 8 $msg")
2546	} else {
2547	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2548	$self->send_packet ("drawinfo $color $msg")
2549	}
2550	}
2551	}
2552	}	3166	}
2553		3167
2554	=item $client->ext_msg ($type, @msg)	3168	=item $client->ext_msg ($type, @msg)
2555		3169
2556	Sends an ext event to the client.	3170	Sends an ext event to the client.
…		…
2558	=cut	3172	=cut
2559		3173
2560	sub cf::client::ext_msg($$@) {	3174	sub cf::client::ext_msg($$@) {
2561	my ($self, $type, @msg) = @_;	3175	my ($self, $type, @msg) = @_;
2562		3176
2563	my $extcmd = $self->extcmd;
2564
2565	if ($extcmd == 2) {	3177	if ($self->extcmd == 2) {
2566	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3178	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2567	} elsif ($extcmd == 1) { # TODO: remove	3179	} elsif ($self->extcmd == 1) { # TODO: remove
2568	push @msg, msgtype => "event_$type";	3180	push @msg, msgtype => "event_$type";
2569	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3181	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2570	}	3182	}
2571	}	3183	}
2572		3184
2573	=item $client->ext_reply ($msgid, @msg)	3185	=item $client->ext_reply ($msgid, @msg)
2574		3186
…		…
2578		3190
2579	sub cf::client::ext_reply($$@) {	3191	sub cf::client::ext_reply($$@) {
2580	my ($self, $id, @msg) = @_;	3192	my ($self, $id, @msg) = @_;
2581		3193
2582	if ($self->extcmd == 2) {	3194	if ($self->extcmd == 2) {
2583	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3195	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2584	} elsif ($self->ns->extcmd == 1) {	3196	} elsif ($self->extcmd == 1) {
2585	#TODO: version 1, remove	3197	#TODO: version 1, remove
2586	unshift @msg, msgtype => "reply", msgid => $id;	3198	unshift @msg, msgtype => "reply", msgid => $id;
2587	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3199	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2588	}	3200	}
2589	}	3201	}
2590		3202
2591	=item $success = $client->query ($flags, "text", \&cb)	3203	=item $success = $client->query ($flags, "text", \&cb)
2592		3204
…		…
2663		3275
2664	$ns->ext_reply ($reply, @reply)	3276	$ns->ext_reply ($reply, @reply)
2665	if $reply;	3277	if $reply;
2666		3278
2667	} else {	3279	} else {
2668	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3280	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2669	}	3281	}
2670		3282
2671	cf::override;	3283	cf::override;
2672	},	3284	},
2673	);	3285	);
…		…
2693		3305
2694	$coro	3306	$coro
2695	}	3307	}
2696		3308
2697	cf::client->attach (	3309	cf::client->attach (
2698	on_destroy => sub {	3310	on_client_destroy => sub {
2699	my ($ns) = @_;	3311	my ($ns) = @_;
2700		3312
2701	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3313	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2702	},	3314	},
2703	);	3315	);
…		…
2719	our $safe_hole = new Safe::Hole;	3331	our $safe_hole = new Safe::Hole;
2720		3332
2721	$SIG{FPE} = 'IGNORE';	3333	$SIG{FPE} = 'IGNORE';
2722		3334
2723	$safe->permit_only (Opcode::opset qw(	3335	$safe->permit_only (Opcode::opset qw(
2724	:base_core :base_mem :base_orig :base_math	3336	:base_core :base_mem :base_orig :base_math :base_loop
2725	grepstart grepwhile mapstart mapwhile	3337	grepstart grepwhile mapstart mapwhile
2726	sort time	3338	sort time
2727	));	3339	));
2728		3340
2729	# here we export the classes and methods available to script code	3341	# here we export the classes and methods available to script code
…		…
2731	=pod	3343	=pod
2732		3344
2733	The following functions and methods are available within a safe environment:	3345	The following functions and methods are available within a safe environment:
2734		3346
2735	cf::object	3347	cf::object
2736	contr pay_amount pay_player map x y force_find force_add	3348	contr pay_amount pay_player map x y force_find force_add destroy
2737	insert remove name archname title slaying race	3349	insert remove name archname title slaying race decrease split
		3350	value
2738		3351
2739	cf::object::player	3352	cf::object::player
2740	player	3353	player
2741		3354
2742	cf::player	3355	cf::player
…		…
2747		3360
2748	=cut	3361	=cut
2749		3362
2750	for (	3363	for (
2751	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3364	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2752	insert remove inv name archname title slaying race)],	3365	insert remove inv nrof name archname title slaying race
		3366	decrease split destroy change_exp value msg lore send_msg)],
2753	["cf::object::player" => qw(player)],	3367	["cf::object::player" => qw(player)],
2754	["cf::player" => qw(peaceful)],	3368	["cf::player" => qw(peaceful send_msg)],
2755	["cf::map" => qw(trigger)],	3369	["cf::map" => qw(trigger)],
2756	) {	3370	) {
2757	no strict 'refs';
2758	my ($pkg, @funs) = @$_;	3371	my ($pkg, @funs) = @$_;
2759	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3372	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2760	for @funs;	3373	for @funs;
2761	}	3374	}
2762		3375
…		…
2777		3390
2778	my $qcode = $code;	3391	my $qcode = $code;
2779	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3392	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2780	$qcode =~ s/\n/\\n/g;	3393	$qcode =~ s/\n/\\n/g;
2781		3394
		3395	%vars = (_dummy => 0) unless %vars;
		3396
		3397	my @res;
2782	local $_;	3398	local $_;
2783	local @safe::cf::_safe_eval_args = values %vars;
2784		3399
2785	my $eval =	3400	my $eval =
2786	"do {\n"	3401	"do {\n"
2787	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3402	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2788	. "#line 0 \"{$qcode}\"\n"	3403	. "#line 0 \"{$qcode}\"\n"
2789	. $code	3404	. $code
2790	. "\n}"	3405	. "\n}"
2791	;	3406	;
2792		3407
		3408	if ($CFG{safe_eval}) {
2793	sub_generation_inc;	3409	sub_generation_inc;
		3410	local @safe::cf::_safe_eval_args = values %vars;
2794	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3411	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2795	sub_generation_inc;	3412	sub_generation_inc;
		3413	} else {
		3414	local @cf::_safe_eval_args = values %vars;
		3415	@res = wantarray ? eval eval : scalar eval $eval;
		3416	}
2796		3417
2797	if ($@) {	3418	if ($@) {
2798	warn "$@";	3419	warn "$@",
2799	warn "while executing safe code '$code'\n";	3420	"while executing safe code '$code'\n",
2800	warn "with arguments " . (join " ", %vars) . "\n";	3421	"with arguments " . (join " ", %vars) . "\n";
2801	}	3422	}
2802		3423
2803	wantarray ? @res : $res[0]	3424	wantarray ? @res : $res[0]
2804	}	3425	}
2805		3426
…		…
2819	=cut	3440	=cut
2820		3441
2821	sub register_script_function {	3442	sub register_script_function {
2822	my ($fun, $cb) = @_;	3443	my ($fun, $cb) = @_;
2823		3444
2824	no strict 'refs';	3445	$fun = "safe::$fun" if $CFG{safe_eval};
2825	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3446	*$fun = $safe_hole->wrap ($cb);
2826	}	3447	}
2827		3448
2828	=back	3449	=back
2829		3450
2830	=cut	3451	=cut
…		…
2833	# the server's init and main functions	3454	# the server's init and main functions
2834		3455
2835	sub load_facedata($) {	3456	sub load_facedata($) {
2836	my ($path) = @_;	3457	my ($path) = @_;
2837		3458
		3459	# HACK to clear player env face cache, we need some signal framework
		3460	# for this (global event?)
		3461	%ext::player_env::MUSIC_FACE_CACHE = ();
		3462
2838	my $enc = JSON::XS->new->utf8->canonical;	3463	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2839		3464
2840	warn "loading facedata from $path\n";	3465	trace "loading facedata from $path\n";
2841		3466
2842	my $facedata;	3467	my $facedata = decode_storable load_file $path;
2843	0 < aio_load $path, $facedata
2844	or die "$path: $!";
2845
2846	$facedata = Coro::Storable::thaw $facedata;
2847		3468
2848	$facedata->{version} == 2	3469	$facedata->{version} == 2
2849	or cf::cleanup "$path: version mismatch, cannot proceed.";	3470	or cf::cleanup "$path: version mismatch, cannot proceed.";
2850		3471
2851	# patch in the exptable	3472	# patch in the exptable
		3473	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2852	$facedata->{resource}{"res/exp_table"} = {	3474	$facedata->{resource}{"res/exp_table"} = {
2853	type => FT_RSRC,	3475	type => FT_RSRC,
2854	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3476	data => $exp_table,
		3477	hash => (Digest::MD5::md5 $exp_table),
2855	};	3478	};
2856	cf::cede_to_tick;	3479	cf::cede_to_tick;
2857		3480
2858	{	3481	{
2859	my $faces = $facedata->{faceinfo};	3482	my $faces = $facedata->{faceinfo};
2860		3483
2861	while (my ($face, $info) = each %$faces) {	3484	while (my ($face, $info) = each %$faces) {
2862	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3485	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3486
2863	cf::face::set_visibility $idx, $info->{visibility};	3487	cf::face::set_visibility $idx, $info->{visibility};
2864	cf::face::set_magicmap $idx, $info->{magicmap};	3488	cf::face::set_magicmap $idx, $info->{magicmap};
2865	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3489	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2866	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3490	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3491	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2867		3492
2868	cf::cede_to_tick;	3493	cf::cede_to_tick;
2869	}	3494	}
2870		3495
2871	while (my ($face, $info) = each %$faces) {	3496	while (my ($face, $info) = each %$faces) {
2872	next unless $info->{smooth};	3497	next unless $info->{smooth};
		3498
2873	my $idx = cf::face::find $face	3499	my $idx = cf::face::find $face
2874	or next;	3500	or next;
		3501
2875	if (my $smooth = cf::face::find $info->{smooth}) {	3502	if (my $smooth = cf::face::find $info->{smooth}) {
2876	cf::face::set_smooth $idx, $smooth;	3503	cf::face::set_smooth $idx, $smooth;
2877	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3504	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2878	} else {	3505	} else {
2879	warn "smooth face '$info->{smooth}' not found for face '$face'";	3506	error "smooth face '$info->{smooth}' not found for face '$face'";
2880	}	3507	}
2881		3508
2882	cf::cede_to_tick;	3509	cf::cede_to_tick;
2883	}	3510	}
2884	}	3511	}
…		…
2893		3520
2894	cf::anim::invalidate_all; # d'oh	3521	cf::anim::invalidate_all; # d'oh
2895	}	3522	}
2896		3523
2897	{	3524	{
2898	# TODO: for gcfclient pleasure, we should give resources
2899	# that gcfclient doesn't grok a >10000 face index.
2900	my $res = $facedata->{resource};	3525	my $res = $facedata->{resource};
2901		3526
2902	my $soundconf = delete $res->{"res/sound.conf"};
2903
2904	while (my ($name, $info) = each %$res) {	3527	while (my ($name, $info) = each %$res) {
		3528	if (defined $info->{type}) {
2905	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3529	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2906	my $data;
2907		3530
2908	if ($info->{type} & 1) {	3531	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2909	# prepend meta info	3532	cf::face::set_type $idx, $info->{type};
2910
2911	my $meta = $enc->encode ({
2912	name => $name,
2913	%{ $info->{meta} || {} },
2914	});
2915
2916	$data = pack "(w/a*)*", $meta, $info->{data};
2917	} else {	3533	} else {
2918	$data = $info->{data};	3534	$RESOURCE{$name} = $info; # unused
2919	}	3535	}
2920		3536
2921	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2922	cf::face::set_type $idx, $info->{type};
2923
2924	cf::cede_to_tick;	3537	cf::cede_to_tick;
2925	}	3538	}
2926
2927	if ($soundconf) {
2928	$soundconf = $enc->decode (delete $soundconf->{data});
2929
2930	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2931	my $sound = $soundconf->{compat}[$_]
2932	or next;
2933
2934	my $face = cf::face::find "sound/$sound->[1]";
2935	cf::sound::set $sound->[0] => $face;
2936	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2937	}
2938
2939	while (my ($k, $v) = each %{$soundconf->{event}}) {
2940	my $face = cf::face::find "sound/$v";
2941	cf::sound::set $k => $face;
2942	}
2943	}
2944	}	3539	}
		3540
		3541	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2945		3542
2946	1	3543	1
2947	}	3544	}
2948		3545
2949	register_exticmd fx_want => sub {	3546	register_exticmd fx_want => sub {
…		…
2952	while (my ($k, $v) = each %$want) {	3549	while (my ($k, $v) = each %$want) {
2953	$ns->fx_want ($k, $v);	3550	$ns->fx_want ($k, $v);
2954	}	3551	}
2955	};	3552	};
2956		3553
		3554	sub load_resource_file($) {
		3555	my $guard = lock_acquire "load_resource_file";
		3556
		3557	my $status = load_resource_file_ $_[0];
		3558	get_slot 0.1, 100;
		3559	cf::arch::commit_load;
		3560
		3561	$status
		3562	}
		3563
2957	sub reload_regions {	3564	sub reload_regions {
		3565	# HACK to clear player env face cache, we need some signal framework
		3566	# for this (global event?)
		3567	%ext::player_env::MUSIC_FACE_CACHE = ();
		3568
2958	load_resource_file "$MAPDIR/regions"	3569	load_resource_file "$MAPDIR/regions"
2959	or die "unable to load regions file\n";	3570	or die "unable to load regions file\n";
2960		3571
2961	for (cf::region::list) {	3572	for (cf::region::list) {
2962	$_->{match} = qr/$_->{match}/	3573	$_->{match} = qr/$_->{match}/
…		…
2970	}	3581	}
2971		3582
2972	sub reload_archetypes {	3583	sub reload_archetypes {
2973	load_resource_file "$DATADIR/archetypes"	3584	load_resource_file "$DATADIR/archetypes"
2974	or die "unable to load archetypes\n";	3585	or die "unable to load archetypes\n";
2975	#d# NEED to laod twice to resolve forward references
2976	# this really needs to be done in an extra post-pass
2977	# (which needs to be synchronous, so solve it differently)
2978	load_resource_file "$DATADIR/archetypes"
2979	or die "unable to load archetypes\n";
2980	}	3586	}
2981		3587
2982	sub reload_treasures {	3588	sub reload_treasures {
2983	load_resource_file "$DATADIR/treasures"	3589	load_resource_file "$DATADIR/treasures"
2984	or die "unable to load treasurelists\n";	3590	or die "unable to load treasurelists\n";
2985	}	3591	}
2986		3592
		3593	sub reload_sound {
		3594	trace "loading sound config from $DATADIR/sound\n";
		3595
		3596	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3597
		3598	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3599	my $sound = $soundconf->{compat}[$_]
		3600	or next;
		3601
		3602	my $face = cf::face::find "sound/$sound->[1]";
		3603	cf::sound::set $sound->[0] => $face;
		3604	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3605	}
		3606
		3607	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3608	my $face = cf::face::find "sound/$v";
		3609	cf::sound::set $k => $face;
		3610	}
		3611	}
		3612
2987	sub reload_resources {	3613	sub reload_resources {
2988	warn "reloading resource files...\n";	3614	trace "reloading resource files...\n";
2989		3615
		3616	reload_exp_table;
		3617	reload_materials;
		3618	reload_facedata;
		3619	reload_sound;
		3620	reload_archetypes;
2990	reload_regions;	3621	reload_regions;
2991	reload_facedata;
2992	#reload_archetypes;#d#
2993	reload_archetypes;
2994	reload_treasures;	3622	reload_treasures;
2995		3623
2996	warn "finished reloading resource files\n";	3624	trace "finished reloading resource files\n";
2997	}	3625	}
2998		3626
2999	sub init {	3627	sub reload_config {
3000	reload_resources;	3628	trace "reloading config file...\n";
3001	}
3002		3629
3003	sub cfg_load {	3630	my $config = load_file "$CONFDIR/config";
3004	open my $fh, "<:utf8", "$CONFDIR/config"	3631	utf8::decode $config;
3005	or return;	3632	*CFG = decode_yaml $config;
3006		3633
3007	local $/;
3008	*CFG = YAML::Syck::Load <$fh>;
3009
3010	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3634	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3011		3635
3012	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3636	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3013	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3637	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3014		3638
3015	if (exists $CFG{mlockall}) {	3639	if (exists $CFG{mlockall}) {
…		…
3019	};	3643	};
3020	warn $@ if $@;	3644	warn $@ if $@;
3021	}	3645	}
3022	}	3646	}
3023		3647
		3648	sub pidfile() {
		3649	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3650	or die "$PIDFILE: $!";
		3651	flock $fh, &Fcntl::LOCK_EX
		3652	or die "$PIDFILE: flock: $!";
		3653	$fh
		3654	}
		3655
		3656	# make sure only one server instance is running at any one time
		3657	sub atomic {
		3658	my $fh = pidfile;
		3659
		3660	my $pid = <$fh>;
		3661	kill 9, $pid if $pid > 0;
		3662
		3663	seek $fh, 0, 0;
		3664	print $fh $$;
		3665	}
		3666
		3667	sub main_loop {
		3668	trace "EV::loop starting\n";
		3669	if (1) {
		3670	EV::loop;
		3671	}
		3672	trace "EV::loop returned\n";
		3673	goto &main_loop unless $REALLY_UNLOOP;
		3674	}
		3675
3024	sub main {	3676	sub main {
		3677	cf::init_globals; # initialise logging
		3678
		3679	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3680	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3681	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3682	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3683
		3684	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3685
3025	# we must not ever block the main coroutine	3686	# we must not ever block the main coroutine
3026	local $Coro::idle = sub {	3687	local $Coro::idle = sub {
3027	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3688	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3028	(async {	3689	(async {
3029	Event::one_event;	3690	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3691	EV::loop EV::LOOP_ONESHOT;
3030	})->prio (Coro::PRIO_MAX);	3692	})->prio (Coro::PRIO_MAX);
3031	};	3693	};
3032		3694
3033	cfg_load;	3695	evthread_start IO::AIO::poll_fileno;
		3696
		3697	cf::sync_job {
		3698	cf::incloader::init ();
		3699
		3700	cf::init_anim;
		3701	cf::init_attackmess;
		3702	cf::init_dynamic;
		3703
		3704	cf::load_settings;
		3705
		3706	reload_resources;
		3707	reload_config;
3034	db_init;	3708	db_init;
		3709
		3710	cf::init_uuid;
		3711	cf::init_signals;
		3712	cf::init_skills;
		3713
		3714	cf::init_beforeplay;
		3715
		3716	atomic;
		3717
3035	load_extensions;	3718	load_extensions;
3036		3719
3037	$TICK_WATCHER->start;	3720	utime time, time, $RUNTIMEFILE;
3038	Event::loop;	3721
		3722	# no (long-running) fork's whatsoever before this point(!)
		3723	use POSIX ();
		3724	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3725
		3726	cf::_post_init 0;
		3727	};
		3728
		3729	cf::object::thawer::errors_are_fatal 0;
		3730	info "parse errors in files are no longer fatal from this point on.\n";
		3731
		3732	my $free_main; $free_main = EV::idle sub {
		3733	undef $free_main;
		3734	undef &main; # free gobs of memory :)
		3735	};
		3736
		3737	goto &main_loop;
3039	}	3738	}
3040		3739
3041	#############################################################################	3740	#############################################################################
3042	# initialisation and cleanup	3741	# initialisation and cleanup
3043		3742
3044	# install some emergency cleanup handlers	3743	# install some emergency cleanup handlers
3045	BEGIN {	3744	BEGIN {
		3745	our %SIGWATCHER = ();
3046	for my $signal (qw(INT HUP TERM)) {	3746	for my $signal (qw(INT HUP TERM)) {
3047	Event->signal (	3747	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3048	reentrant => 0,
3049	data => WF_AUTOCANCEL,
3050	signal => $signal,
3051	prio => 0,
3052	cb => sub {
3053	cf::cleanup "SIG$signal";	3748	cf::cleanup "SIG$signal";
3054	},
3055	);	3749	};
3056	}	3750	}
3057	}	3751	}
3058		3752
3059	sub write_runtime {	3753	sub write_runtime_sync {
3060	my $runtime = "$LOCALDIR/runtime";	3754	my $t0 = AE::time;
3061		3755
3062	# first touch the runtime file to show we are still running:	3756	# first touch the runtime file to show we are still running:
3063	# the fsync below can take a very very long time.	3757	# the fsync below can take a very very long time.
3064		3758
3065	IO::AIO::aio_utime $runtime, undef, undef;	3759	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3066		3760
3067	my $guard = cf::lock_acquire "write_runtime";	3761	my $guard = cf::lock_acquire "write_runtime";
3068		3762
3069	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3763	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3070	or return;	3764	or return;
3071		3765
3072	my $value = $cf::RUNTIME + 90 + 10;	3766	my $value = $cf::RUNTIME + 90 + 10;
3073	# 10 is the runtime save interval, for a monotonic clock	3767	# 10 is the runtime save interval, for a monotonic clock
3074	# 60 allows for the watchdog to kill the server.	3768	# 60 allows for the watchdog to kill the server.
…		…
3084	aio_utime $fh, undef, undef;	3778	aio_utime $fh, undef, undef;
3085		3779
3086	close $fh	3780	close $fh
3087	or return;	3781	or return;
3088		3782
3089	aio_rename "$runtime~", $runtime	3783	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3090	and return;	3784	and return;
3091		3785
3092	warn "runtime file written.\n";	3786	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3093		3787
3094	1	3788	1
		3789	}
		3790
		3791	our $uuid_lock;
		3792	our $uuid_skip;
		3793
		3794	sub write_uuid_sync($) {
		3795	$uuid_skip ||= $_[0];
		3796
		3797	return if $uuid_lock;
		3798	local $uuid_lock = 1;
		3799
		3800	my $uuid = "$LOCALDIR/uuid";
		3801
		3802	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3803	or return;
		3804
		3805	my $value = uuid_seq uuid_cur;
		3806
		3807	unless ($value) {
		3808	info "cowardly refusing to write zero uuid value!\n";
		3809	return;
		3810	}
		3811
		3812	my $value = uuid_str $value + $uuid_skip;
		3813	$uuid_skip = 0;
		3814
		3815	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3816	and return;
		3817
		3818	# always fsync - this file is important
		3819	aio_fsync $fh
		3820	and return;
		3821
		3822	close $fh
		3823	or return;
		3824
		3825	aio_rename "$uuid~", $uuid
		3826	and return;
		3827
		3828	trace "uuid file written ($value).\n";
		3829
		3830	1
		3831
		3832	}
		3833
		3834	sub write_uuid($$) {
		3835	my ($skip, $sync) = @_;
		3836
		3837	$sync ? write_uuid_sync $skip
		3838	: async { write_uuid_sync $skip };
3095	}	3839	}
3096		3840
3097	sub emergency_save() {	3841	sub emergency_save() {
3098	my $freeze_guard = cf::freeze_mainloop;	3842	my $freeze_guard = cf::freeze_mainloop;
3099		3843
3100	warn "enter emergency perl save\n";	3844	info "emergency_perl_save: enter\n";
		3845
		3846	# this is a trade-off: we want to be very quick here, so
		3847	# save all maps without fsync, and later call a global sync
		3848	# (which in turn might be very very slow)
		3849	local $USE_FSYNC = 0;
3101		3850
3102	cf::sync_job {	3851	cf::sync_job {
		3852	cf::write_runtime_sync; # external watchdog should not bark
		3853
3103	# use a peculiar iteration method to avoid tripping on perl	3854	# use a peculiar iteration method to avoid tripping on perl
3104	# refcount bugs in for. also avoids problems with players	3855	# refcount bugs in for. also avoids problems with players
3105	# and maps saved/destroyed asynchronously.	3856	# and maps saved/destroyed asynchronously.
3106	warn "begin emergency player save\n";	3857	info "emergency_perl_save: begin player save\n";
3107	for my $login (keys %cf::PLAYER) {	3858	for my $login (keys %cf::PLAYER) {
3108	my $pl = $cf::PLAYER{$login} or next;	3859	my $pl = $cf::PLAYER{$login} or next;
3109	$pl->valid or next;	3860	$pl->valid or next;
		3861	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3110	$pl->save;	3862	$pl->save;
3111	}	3863	}
3112	warn "end emergency player save\n";	3864	info "emergency_perl_save: end player save\n";
3113		3865
3114	warn "begin emergency map save\n";	3866	cf::write_runtime_sync; # external watchdog should not bark
		3867
		3868	info "emergency_perl_save: begin map save\n";
3115	for my $path (keys %cf::MAP) {	3869	for my $path (keys %cf::MAP) {
3116	my $map = $cf::MAP{$path} or next;	3870	my $map = $cf::MAP{$path} or next;
3117	$map->valid or next;	3871	$map->valid or next;
3118	$map->save;	3872	$map->save;
3119	}	3873	}
3120	warn "end emergency map save\n";	3874	info "emergency_perl_save: end map save\n";
3121		3875
3122	warn "begin emergency database checkpoint\n";	3876	cf::write_runtime_sync; # external watchdog should not bark
		3877
		3878	info "emergency_perl_save: begin database checkpoint\n";
3123	BDB::db_env_txn_checkpoint $DB_ENV;	3879	BDB::db_env_txn_checkpoint $DB_ENV;
3124	warn "end emergency database checkpoint\n";	3880	info "emergency_perl_save: end database checkpoint\n";
		3881
		3882	info "emergency_perl_save: begin write uuid\n";
		3883	write_uuid_sync 1;
		3884	info "emergency_perl_save: end write uuid\n";
		3885
		3886	cf::write_runtime_sync; # external watchdog should not bark
		3887
		3888	trace "emergency_perl_save: syncing database to disk";
		3889	BDB::db_env_txn_checkpoint $DB_ENV;
		3890
		3891	info "emergency_perl_save: starting sync\n";
		3892	IO::AIO::aio_sync sub {
		3893	info "emergency_perl_save: finished sync\n";
		3894	};
		3895
		3896	cf::write_runtime_sync; # external watchdog should not bark
		3897
		3898	trace "emergency_perl_save: flushing outstanding aio requests";
		3899	while (IO::AIO::nreqs || BDB::nreqs) {
		3900	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3901	}
		3902
		3903	cf::write_runtime_sync; # external watchdog should not bark
3125	};	3904	};
3126		3905
3127	warn "leave emergency perl save\n";	3906	info "emergency_perl_save: leave\n";
3128	}	3907	}
3129		3908
3130	sub post_cleanup {	3909	sub post_cleanup {
3131	my ($make_core) = @_;	3910	my ($make_core) = @_;
3132		3911
		3912	IO::AIO::flush;
		3913
3133	warn Carp::longmess "post_cleanup backtrace"	3914	error Carp::longmess "post_cleanup backtrace"
3134	if $make_core;	3915	if $make_core;
		3916
		3917	my $fh = pidfile;
		3918	unlink $PIDFILE if <$fh> == $$;
		3919	}
		3920
		3921	# a safer delete_package, copied from Symbol
		3922	sub clear_package($) {
		3923	my $pkg = shift;
		3924
		3925	# expand to full symbol table name if needed
		3926	unless ($pkg =~ /^main::.*::$/) {
		3927	$pkg = "main$pkg" if $pkg =~ /^::/;
		3928	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3929	$pkg .= '::' unless $pkg =~ /::$/;
		3930	}
		3931
		3932	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3933	my $stem_symtab = *{$stem}{HASH};
		3934
		3935	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3936	or return;
		3937
		3938	# clear all symbols
		3939	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3940	for my $name (keys %$leaf_symtab) {
		3941	_gv_clear *{"$pkg$name"};
		3942	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3943	}
3135	}	3944	}
3136		3945
3137	sub do_reload_perl() {	3946	sub do_reload_perl() {
3138	# can/must only be called in main	3947	# can/must only be called in main
3139	if ($Coro::current != $Coro::main) {	3948	unless (in_main) {
3140	warn "can only reload from main coroutine";	3949	error "can only reload from main coroutine";
3141	return;	3950	return;
3142	}	3951	}
3143		3952
3144	warn "reloading...";	3953	return if $RELOAD++;
3145		3954
3146	warn "entering sync_job";	3955	my $t1 = AE::time;
3147		3956
		3957	while ($RELOAD) {
		3958	cf::get_slot 0.1, -1, "reload_perl";
		3959	info "perl_reload: reloading...";
		3960
		3961	trace "perl_reload: entering sync_job";
		3962
3148	cf::sync_job {	3963	cf::sync_job {
3149	cf::write_runtime; # external watchdog should not bark
3150	cf::emergency_save;	3964	#cf::emergency_save;
3151	cf::write_runtime; # external watchdog should not bark
3152		3965
3153	warn "syncing database to disk";
3154	BDB::db_env_txn_checkpoint $DB_ENV;
3155
3156	# if anything goes wrong in here, we should simply crash as we already saved
3157
3158	warn "cancelling all WF_AUTOCANCEL watchers";
3159	for (Event::all_watchers) {
3160	$_->cancel if $_->data & WF_AUTOCANCEL;
3161	}
3162
3163	warn "flushing outstanding aio requests";
3164	for (;;) {
3165	BDB::flush;
3166	IO::AIO::flush;
3167	Coro::cede;
3168	last unless IO::AIO::nreqs || BDB::nreqs;
3169	warn "iterate...";
3170	}
3171
3172	++$RELOAD;
3173
3174	warn "cancelling all extension coros";	3966	trace "perl_reload: cancelling all extension coros";
3175	$_->cancel for values %EXT_CORO;	3967	$_->cancel for values %EXT_CORO;
3176	%EXT_CORO = ();	3968	%EXT_CORO = ();
3177		3969
3178	warn "removing commands";	3970	trace "perl_reload: removing commands";
3179	%COMMAND = ();	3971	%COMMAND = ();
3180		3972
3181	warn "removing ext/exti commands";	3973	trace "perl_reload: removing ext/exti commands";
3182	%EXTCMD = ();	3974	%EXTCMD = ();
3183	%EXTICMD = ();	3975	%EXTICMD = ();
3184		3976
3185	warn "unloading/nuking all extensions";	3977	trace "perl_reload: unloading/nuking all extensions";
3186	for my $pkg (@EXTS) {	3978	for my $pkg (@EXTS) {
3187	warn "... unloading $pkg";	3979	trace "... unloading $pkg";
3188		3980
3189	if (my $cb = $pkg->can ("unload")) {	3981	if (my $cb = $pkg->can ("unload")) {
3190	eval {	3982	eval {
3191	$cb->($pkg);	3983	$cb->($pkg);
3192	1	3984	1
3193	} or warn "$pkg unloaded, but with errors: $@";	3985	} or error "$pkg unloaded, but with errors: $@";
		3986	}
		3987
		3988	trace "... clearing $pkg";
		3989	clear_package $pkg;
3194	}	3990	}
3195		3991
3196	warn "... nuking $pkg";
3197	Symbol::delete_package $pkg;
3198	}
3199
3200	warn "unloading all perl modules loaded from $LIBDIR";	3992	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3201	while (my ($k, $v) = each %INC) {	3993	while (my ($k, $v) = each %INC) {
3202	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3994	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3203		3995
3204	warn "... unloading $k";	3996	trace "... unloading $k";
3205	delete $INC{$k};	3997	delete $INC{$k};
3206		3998
3207	$k =~ s/\.pm$//;	3999	$k =~ s/\.pm$//;
3208	$k =~ s/\//::/g;	4000	$k =~ s/\//::/g;
3209		4001
3210	if (my $cb = $k->can ("unload_module")) {	4002	if (my $cb = $k->can ("unload_module")) {
3211	$cb->();	4003	$cb->();
		4004	}
		4005
		4006	clear_package $k;
3212	}	4007	}
3213		4008
3214	Symbol::delete_package $k;
3215	}
3216
3217	warn "getting rid of safe::, as good as possible";	4009	trace "perl_reload: getting rid of safe::, as good as possible";
3218	Symbol::delete_package "safe::$_"	4010	clear_package "safe::$_"
3219	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4011	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3220		4012
3221	warn "unloading cf.pm \"a bit\"";	4013	trace "perl_reload: unloading cf.pm \"a bit\"";
3222	delete $INC{"cf.pm"};	4014	delete $INC{"cf.pm"};
3223	delete $INC{"cf/pod.pm"};	4015	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3224		4016
3225	# don't, removes xs symbols, too,	4017	# don't, removes xs symbols, too,
3226	# and global variables created in xs	4018	# and global variables created in xs
3227	#Symbol::delete_package __PACKAGE__;	4019	#clear_package __PACKAGE__;
3228		4020
3229	warn "unload completed, starting to reload now";	4021	info "perl_reload: unload completed, starting to reload now";
3230		4022
3231	warn "reloading cf.pm";	4023	trace "perl_reload: reloading cf.pm";
3232	require cf;	4024	require cf;
3233	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4025	cf::_connect_to_perl_1;
3234		4026
3235	warn "loading config and database again";	4027	trace "perl_reload: loading config and database again";
3236	cf::cfg_load;	4028	cf::reload_config;
3237		4029
3238	warn "loading extensions";	4030	trace "perl_reload: loading extensions";
3239	cf::load_extensions;	4031	cf::load_extensions;
3240		4032
		4033	if ($REATTACH_ON_RELOAD) {
3241	warn "reattaching attachments to objects/players";	4034	trace "perl_reload: reattaching attachments to objects/players";
3242	_global_reattach; # objects, sockets	4035	_global_reattach; # objects, sockets
3243	warn "reattaching attachments to maps";	4036	trace "perl_reload: reattaching attachments to maps";
3244	reattach $_ for values %MAP;	4037	reattach $_ for values %MAP;
3245	warn "reattaching attachments to players";	4038	trace "perl_reload: reattaching attachments to players";
3246	reattach $_ for values %PLAYER;	4039	reattach $_ for values %PLAYER;
		4040	}
3247		4041
3248	warn "leaving sync_job";	4042	cf::_post_init 1;
3249		4043
		4044	trace "perl_reload: leaving sync_job";
		4045
3250	1	4046	1
3251	} or do {	4047	} or do {
3252	warn $@;	4048	error $@;
3253	warn "error while reloading, exiting.";	4049	cf::cleanup "perl_reload: error, exiting.";
3254	exit 1;	4050	};
		4051
		4052	--$RELOAD;
3255	};	4053	}
3256		4054
3257	warn "reloaded";	4055	$t1 = AE::time - $t1;
		4056	info "perl_reload: completed in ${t1}s\n";
3258	};	4057	};
3259		4058
3260	our $RELOAD_WATCHER; # used only during reload	4059	our $RELOAD_WATCHER; # used only during reload
3261		4060
3262	sub reload_perl() {	4061	sub reload_perl() {
3263	# doing reload synchronously and two reloads happen back-to-back,	4062	# doing reload synchronously and two reloads happen back-to-back,
3264	# coro crashes during coro_state_free->destroy here.	4063	# coro crashes during coro_state_free->destroy here.
3265		4064
3266	$RELOAD_WATCHER ||= Event->timer (	4065	$RELOAD_WATCHER ||= cf::async {
3267	reentrant => 0,	4066	Coro::AIO::aio_wait cache_extensions;
3268	after => 0,	4067
3269	data => WF_AUTOCANCEL,	4068	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3270	cb => sub {
3271	do_reload_perl;	4069	do_reload_perl;
3272	undef $RELOAD_WATCHER;	4070	undef $RELOAD_WATCHER;
3273	},	4071	};
3274	);	4072	};
3275	}	4073	}
3276		4074
3277	register_command "reload" => sub {	4075	register_command "reload" => sub {
3278	my ($who, $arg) = @_;	4076	my ($who, $arg) = @_;
3279		4077
3280	if ($who->flag (FLAG_WIZ)) {	4078	if ($who->flag (FLAG_WIZ)) {
3281	$who->message ("reloading server.");	4079	$who->message ("reloading server.");
		4080	async {
		4081	$Coro::current->{desc} = "perl_reload";
3282	async { reload_perl };	4082	reload_perl;
		4083	};
3283	}	4084	}
3284	};	4085	};
3285		4086
3286	unshift @INC, $LIBDIR;	4087	#############################################################################
3287		4088
3288	my $bug_warning = 0;	4089	my $bug_warning = 0;
3289		4090
3290	our @WAIT_FOR_TICK;	4091	our @WAIT_FOR_TICK;
3291	our @WAIT_FOR_TICK_BEGIN;	4092	our @WAIT_FOR_TICK_BEGIN;
3292		4093
3293	sub wait_for_tick {	4094	sub wait_for_tick() {
3294	return unless $TICK_WATCHER->is_active;
3295	return if $Coro::current == $Coro::main;	4095	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3296		4096
3297	my $signal = new Coro::Signal;	4097	my $signal = new Coro::Signal;
3298	push @WAIT_FOR_TICK, $signal;	4098	push @WAIT_FOR_TICK, $signal;
3299	$signal->wait;	4099	$signal->wait;
3300	}	4100	}
3301		4101
3302	sub wait_for_tick_begin {	4102	sub wait_for_tick_begin() {
3303	return unless $TICK_WATCHER->is_active;
3304	return if $Coro::current == $Coro::main;	4103	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3305		4104
3306	my $signal = new Coro::Signal;	4105	my $signal = new Coro::Signal;
3307	push @WAIT_FOR_TICK_BEGIN, $signal;	4106	push @WAIT_FOR_TICK_BEGIN, $signal;
3308	$signal->wait;	4107	$signal->wait;
3309	}	4108	}
3310		4109
3311	my $min = 1e6;#d#	4110	sub tick {
3312	my $avg = 10;
3313	$TICK_WATCHER = Event->timer (
3314	reentrant => 0,
3315	parked => 1,
3316	prio => 0,
3317	at => $NEXT_TICK || $TICK,
3318	data => WF_AUTOCANCEL,
3319	cb => sub {
3320	if ($Coro::current != $Coro::main) {	4111	if ($Coro::current != $Coro::main) {
3321	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4112	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3322	unless ++$bug_warning > 10;	4113	unless ++$bug_warning > 10;
3323	return;	4114	return;
3324	}	4115	}
3325		4116
3326	$NOW = $tick_start = Event::time;
3327
3328	cf::server_tick; # one server iteration	4117	cf::server_tick; # one server iteration
3329		4118
3330	0 && sync_job {#d#	4119	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3331	for(1..10) {
3332	my $t = Event::time;
3333	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3334	or die;
3335		4120
3336	$map->width (50);	4121	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3337	$map->height (50);	4122	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3338	$map->alloc;	4123	Coro::async_pool {
3339	$map->_load_objects ("/tmp/x.map", 1);	4124	$Coro::current->{desc} = "runtime saver";
3340	my $t = Event::time - $t;	4125	write_runtime_sync
3341		4126	or error "ERROR: unable to write runtime file: $!";
3342	#next unless $t < 0.0013;#d#
3343	if ($t < $min) {
3344	$min = $t;
3345	}
3346	$avg = $avg * 0.99 + $t * 0.01;
3347	}
3348	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3349	exit 0;
3350	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3351	};	4127	};
		4128	}
3352		4129
3353	$RUNTIME += $TICK;
3354	$NEXT_TICK += $TICK;
3355
3356	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3357	$NEXT_RUNTIME_WRITE = $NOW + 10;
3358	Coro::async_pool {
3359	write_runtime
3360	or warn "ERROR: unable to write runtime file: $!";
3361	};
3362	}
3363
3364	# my $AFTER = Event::time;
3365	# warn $AFTER - $NOW;#d#
3366
3367	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4130	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3368	$sig->send;	4131	$sig->send;
3369	}	4132	}
3370	while (my $sig = shift @WAIT_FOR_TICK) {	4133	while (my $sig = shift @WAIT_FOR_TICK) {
3371	$sig->send;	4134	$sig->send;
3372	}	4135	}
3373		4136
3374	$NOW = Event::time;	4137	$LOAD = ($NOW - $TICK_START) / $TICK;
3375
3376	# if we are delayed by four ticks or more, skip them all
3377	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3378
3379	$TICK_WATCHER->at ($NEXT_TICK);
3380	$TICK_WATCHER->start;
3381
3382	$LOAD = ($NOW - $tick_start) / $TICK;
3383	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4138	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3384		4139
3385	_post_tick;	4140	if (0) {
3386		4141	if ($NEXT_TICK) {
3387		4142	my $jitter = $TICK_START - $NEXT_TICK;
		4143	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4144	debug "jitter $JITTER\n";#d#
		4145	}
3388	},	4146	}
3389	);	4147	}
3390		4148
3391	{	4149	{
3392	BDB::max_poll_time $TICK * 0.1;	4150	# configure BDB
3393	$BDB_POLL_WATCHER = Event->io (	4151
3394	reentrant => 0,
3395	fd => BDB::poll_fileno,
3396	poll => 'r',
3397	prio => 0,
3398	data => WF_AUTOCANCEL,
3399	cb => \&BDB::poll_cb,
3400	);
3401	BDB::min_parallel 8;	4152	BDB::min_parallel 16;
3402		4153	BDB::max_poll_reqs $TICK * 0.1;
3403	BDB::set_sync_prepare {	4154	$AnyEvent::BDB::WATCHER->priority (1);
3404	my $status;
3405	my $current = $Coro::current;
3406	(
3407	sub {
3408	$status = $!;
3409	$current->ready; undef $current;
3410	},
3411	sub {
3412	Coro::schedule while defined $current;
3413	$! = $status;
3414	},
3415	)
3416	};
3417		4155
3418	unless ($DB_ENV) {	4156	unless ($DB_ENV) {
3419	$DB_ENV = BDB::db_env_create;	4157	$DB_ENV = BDB::db_env_create;
		4158	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4159	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4160	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4161	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4162	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3420		4163
3421	cf::sync_job {	4164	cf::sync_job {
3422	eval {	4165	eval {
3423	BDB::db_env_open	4166	BDB::db_env_open
3424	$DB_ENV,	4167	$DB_ENV,
…		…
3426	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4169	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3427	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4170	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3428	0666;	4171	0666;
3429		4172
3430	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4173	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3431
3432	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3433	$DB_ENV->set_lk_detect;
3434	};	4174	};
3435		4175
3436	cf::cleanup "db_env_open(db): $@" if $@;	4176	cf::cleanup "db_env_open(db): $@" if $@;
3437	};	4177	};
3438	}	4178	}
		4179
		4180	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4181	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4182	};
		4183	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4184	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4185	};
		4186	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4187	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4188	};
3439	}	4189	}
3440		4190
3441	{	4191	{
		4192	# configure IO::AIO
		4193
3442	IO::AIO::min_parallel 8;	4194	IO::AIO::min_parallel 8;
3443
3444	undef $Coro::AIO::WATCHER;
3445	IO::AIO::max_poll_time $TICK * 0.1;	4195	IO::AIO::max_poll_time $TICK * 0.1;
3446	$AIO_POLL_WATCHER = Event->io (	4196	undef $AnyEvent::AIO::WATCHER;
3447	reentrant => 0,
3448	data => WF_AUTOCANCEL,
3449	fd => IO::AIO::poll_fileno,
3450	poll => 'r',
3451	prio => 6,
3452	cb => \&IO::AIO::poll_cb,
3453	);
3454	}	4197	}
3455		4198
3456	my $_log_backtrace;	4199	our $_log_backtrace;
		4200	our $_log_backtrace_last;
3457		4201
3458	sub _log_backtrace {	4202	sub _log_backtrace {
3459	my ($msg, @addr) = @_;	4203	my ($msg, @addr) = @_;
3460		4204
3461	$msg =~ s/\n//;	4205	$msg =~ s/\n$//;
3462		4206
		4207	if ($_log_backtrace_last eq $msg) {
		4208	LOG llevInfo, "[ABT] $msg\n";
		4209	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3463	# limit the # of concurrent backtraces	4210	# limit the # of concurrent backtraces
3464	if ($_log_backtrace < 2) {	4211	} elsif ($_log_backtrace < 2) {
		4212	$_log_backtrace_last = $msg;
3465	++$_log_backtrace;	4213	++$_log_backtrace;
		4214	my $perl_bt = Carp::longmess $msg;
3466	async {	4215	async {
		4216	$Coro::current->{desc} = "abt $msg";
		4217
3467	my @bt = fork_call {	4218	my @bt = fork_call {
3468	@addr = map { sprintf "%x", $_ } @addr;	4219	@addr = map { sprintf "%x", $_ } @addr;
3469	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4220	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3470	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4221	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3471	or die "addr2line: $!";	4222	or die "addr2line: $!";
…		…
3479	}	4230	}
3480		4231
3481	@funcs	4232	@funcs
3482	};	4233	};
3483		4234
3484	LOG llevInfo, "[ABT] $msg\n";	4235	LOG llevInfo, "[ABT] $perl_bt\n";
		4236	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3485	LOG llevInfo, "[ABT] $_\n" for @bt;	4237	LOG llevInfo, "[ABT] $_\n" for @bt;
3486	--$_log_backtrace;	4238	--$_log_backtrace;
3487	};	4239	};
3488	} else {	4240	} else {
3489	LOG llevInfo, "[ABT] $msg\n";	4241	LOG llevInfo, "[ABT] $msg\n";
3490	LOG llevInfo, "[ABT] [suppressed]\n";	4242	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3491	}	4243	}
3492	}	4244	}
3493		4245
3494	# load additional modules	4246	# load additional modules
3495	use cf::pod;	4247	require "cf/$_.pm" for @EXTRA_MODULES;
		4248	cf::_connect_to_perl_2;
3496		4249
3497	END { cf::emergency_save }	4250	END { cf::emergency_save }
3498		4251
3499	1	4252	1
3500		4253

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