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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.310 by elmex, Mon Jul 16 15:43:49 2007 UTC vs.
Revision 1.561 by root, Fri Apr 22 06:10:33 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	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;
		51	use Coro::Util ();
24		52
25	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
26	use BDB ();	54	use BDB ();
27	use Data::Dumper;	55	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	56	use Fcntl;
30	use YAML::Syck ();	57	use YAML::XS ();
31	use IO::AIO 2.32 ();	58	use IO::AIO ();
32	use Time::HiRes;	59	use Time::HiRes;
33	use Compress::LZF;	60	use Compress::LZF;
34	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
35		64
36	# configure various modules to our taste	65	# configure various modules to our taste
37	#	66	#
38	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
39	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";
40	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
41		75
42	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
43		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		78
49	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;
50		82
51	our %COMMAND = ();	83	our %COMMAND = ();
52	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
53		85
54	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
55	our %EXTCMD = ();	87	our %EXTCMD = ();
56	our %EXTICMD = ();	88	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
59		91
60	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
62		96
63	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
64	our $DATADIR = datadir;	99	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
68	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
73	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;
74		120
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	123	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
82		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
85		132
86	our %CFG;	133	our %CFG;
87		134
88	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
90		138
91	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
94		142
95	# 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 ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		145
98	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)
99	our $LOADAVG; # same thing, but with alpha-smoothing	147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
100	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 $REALLY_UNLOOP; # never set to true, please :)
101		155
102	binmode STDOUT;	156	binmode STDOUT;
103	binmode STDERR;	157	binmode STDERR;
104		158
105	# read virtual server time, if available	159	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	161	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
110	}	164	}
		165
		166	eval "sub TICK() { $TICK } 1" or die;
111		167
112	mkdir $_	168	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		170
115	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
116		172
117	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::"} };
118		189
119	#############################################################################	190	#############################################################################
120		191
121	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
122		193
…		…
158		229
159	The raw value load value from the last tick.	230	The raw value load value from the last tick.
160		231
161	=item %cf::CFG	232	=item %cf::CFG
162		233
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	235	from wherever your confdir points to.
165		236
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		238
168	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
169	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
170	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.
171		242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
172	=item @cf::INVOKE_RESULTS	248	=item @cf::INVOKE_RESULTS
173		249
174	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
175	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
176	that call.	252	that call.
177		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
178	=back	260	=back
179		261
180	=cut	262	=cut
181		263
182	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
183	*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 {
184	my $msg = join "", @_;	271	my $msg = join "", @_;
185		272
186	$msg .= "\n"	273	$msg .= "\n"
187	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
188		275
189	$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;
190		277
191	utf8::encode $msg;
192	LOG llevError, $msg;	278	LOG llevWarn, $msg;
193	};	279	};
194	}	280
		281	$Coro::State::DIEHOOK = sub {
		282	return unless $^S eq 0; # "eq", not "=="
		283
		284	error Carp::longmess $_[0];
		285
		286	if (in_main) {#d#
		287	error "DIEHOOK called in main context, Coro bug?\n";#d#
		288	return;#d#
		289	}#d#
		290
		291	# kill coroutine otherwise
		292	Coro::terminate
		293	};
195		294
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	305	for my $pkg (qw(
207	cf::global cf::attachable	306	cf::global cf::attachable
208	cf::object cf::object::player	307	cf::object cf::object::player
209	cf::client cf::player	308	cf::client cf::player
210	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
211	cf::map cf::party cf::region	311	cf::party cf::region
212	)) {	312	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	314	}
216		315
217	$Event::DIED = sub {	316	$EV::DIED = sub {
218	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
219	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
220		324
221	#############################################################################	325	#############################################################################
222		326
223	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
224		328
…		…
245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	349	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246	$d	350	$d
247	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
248	}	352	}
249		353
		354	=item $scalar = load_file $path
		355
		356	Loads the given file from path and returns its contents. Croaks on error
		357	and can block.
		358
		359	=cut
		360
		361	sub load_file($) {
		362	0 <= aio_load $_[0], my $data
		363	or Carp::croak "$_[0]: $!";
		364
		365	$data
		366	}
		367
250	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
251		369
252	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
253		371
254	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
255		373
256	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
257		375
258	=cut	376	=cut
259		377
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		379
262	sub to_json ($) { $json_coder->encode ($_[0]) }	380	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[0]) }	381	sub decode_json($) { $json_coder->decode ($_[0]) }
		382
		383	=item $ref = cf::decode_storable $scalar
		384
		385	Same as Coro::Storable::thaw, so blocks.
		386
		387	=cut
		388
		389	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		390
		391	=item $ref = cf::decode_yaml $scalar
		392
		393	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		394
		395	=cut
		396
		397	sub decode_yaml($) {
		398	fork_call { YAML::XS::Load $_[0] } @_
		399	}
		400
		401	=item $scalar = cf::unlzf $scalar
		402
		403	Same as Compress::LZF::compress, but takes server ticks into account, so
		404	blocks.
		405
		406	=cut
		407
		408	sub unlzf($) {
		409	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		410	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		411	Compress::LZF::decompress $_[0]
		412	}
		413
		414	=item cf::post_init { BLOCK }
		415
		416	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		417	but I<before> the server starts ticking again.
		418
		419	The codeblock will have a single boolean argument to indicate whether this
		420	is a reload or not.
		421
		422	=cut
		423
		424	sub post_init(&) {
		425	push @POST_INIT, shift;
		426	}
		427
		428	sub _post_init {
		429	trace "running post_init jobs";
		430
		431	# run them in parallel...
		432
		433	my @join;
		434
		435	while () {
		436	push @join, map &Coro::async ($_, 0), @POST_INIT;
		437	@POST_INIT = ();
		438
		439	@join or last;
		440
		441	(pop @join)->join;
		442	}
		443	}
264		444
265	=item cf::lock_wait $string	445	=item cf::lock_wait $string
266		446
267	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
268		448
269	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
270		450
271	Wait until the given lock is available and then acquires it and returns	451	Wait until the given lock is available and then acquires it and returns
272	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	452	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
273	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
274	returned.	454	returned.
275		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
276	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
277	uses map_find and cf::map::load uses map_load).	460	uses map_find and cf::map::load uses map_load).
278		461
279	=item $locked = cf::lock_active $string	462	=item $locked = cf::lock_active $string
280		463
281	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.
282		465
283	=cut	466	=cut
284		467
285	our %LOCK;	468	our $LOCKS = new Coro::SemaphoreSet;
286		469
287	sub lock_wait($) {	470	sub lock_wait($) {
288	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
289
290	# wait for lock, if any
291	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;
294	}
295	}	472	}
296		473
297	sub lock_acquire($) {	474	sub lock_acquire($) {
298	my ($key) = @_;	475	$LOCKS->guard ($_[0])
299
300	# wait, to be sure we are not locked
301	lock_wait $key;
302
303	$LOCK{$key} = [];
304
305	Coro::guard {
306	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };
308	}
309	}	476	}
310		477
311	sub lock_active($) {	478	sub lock_active($) {
312	my ($key) = @_;	479	$LOCKS->count ($_[0]) < 1
313
314	! ! $LOCK{$key}
315	}	480	}
316		481
317	sub freeze_mainloop {	482	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
319		484
320	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
321	$TICK_WATCHER->start;	486	}
		487
		488	=item cf::periodic $interval, $cb
		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
		501	}
		502
		503	=item cf::get_slot $time[, $priority[, $name]]
		504
		505	Allocate $time seconds of blocking CPU time at priority C<$priority>
		506	(default: 0): This call blocks and returns only when you have at least
		507	C<$time> seconds of cpu time till the next tick. The slot is only valid
		508	till the next cede.
		509
		510	Background jobs should use a priority les than zero, interactive jobs
		511	should use 100 or more.
		512
		513	The optional C<$name> can be used to identify the job to run. It might be
		514	used for statistical purposes and should identify the same time-class.
		515
		516	Useful for short background jobs.
		517
		518	=cut
		519
		520	our @SLOT_QUEUE;
		521	our $SLOT_QUEUE;
		522	our $SLOT_DECAY = 0.9;
		523
		524	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		525	$SLOT_QUEUE = Coro::async {
		526	$Coro::current->desc ("timeslot manager");
		527
		528	my $signal = new Coro::Signal;
		529	my $busy;
		530
		531	while () {
		532	next_job:
		533
		534	my $avail = cf::till_tick;
		535
		536	for (0 .. $#SLOT_QUEUE) {
		537	if ($SLOT_QUEUE[$_][0] <= $avail) {
		538	$busy = 0;
		539	my $job = splice @SLOT_QUEUE, $_, 1, ();
		540	$job->[2]->send;
		541	Coro::cede;
		542	goto next_job;
		543	} else {
		544	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		545	}
		546	}
		547
		548	if (@SLOT_QUEUE) {
		549	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		550	push @cf::WAIT_FOR_TICK, $signal;
		551	$signal->wait;
		552	} else {
		553	$busy = 0;
		554	Coro::schedule;
		555	}
322	};	556	}
323	$TICK_WATCHER->stop;	557	};
324	$guard	558
		559	sub get_slot($;$$) {
		560	return if tick_inhibit || $Coro::current == $Coro::main;
		561
		562	my ($time, $pri, $name) = @_;
		563
		564	$time = clamp $time, 0.01, $TICK * .6;
		565
		566	my $sig = new Coro::Signal;
		567
		568	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		569	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		570	$SLOT_QUEUE->ready;
		571	$sig->wait;
325	}	572	}
326		573
327	=item cf::async { BLOCK }	574	=item cf::async { BLOCK }
328		575
329	Currently the same as Coro::async_pool, meaning you cannot use	576	Currently the same as Coro::async_pool, meaning you cannot use
…		…
334		581
335	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
336		583
337	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
338		585
339	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	586	The design of Deliantra requires that the main coroutine ($Coro::main)
340	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
341	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
342	acceptable.	589	acceptable.
343		590
344	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
345	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
…		…
349	=cut	596	=cut
350		597
351	sub sync_job(&) {	598	sub sync_job(&) {
352	my ($job) = @_;	599	my ($job) = @_;
353		600
354	if ($Coro::current == $Coro::main) {	601	if (in_main) {
355	my $time = Event::time;	602	my $time = AE::time;
356		603
357	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
358	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
359		606
360	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
361	# (but this is cancel-safe)	608
362	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
363		610
364	my $busy = 1;	611	my $busy = 1;
365	my @res;	612	my @res;
366		613
367	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
368	@res = eval { $job->() };	616	@res = eval { $job->() };
369	warn $@ if $@;	617	error $@ if $@;
370	undef $busy;	618	undef $busy;
371	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
372		620
373	while ($busy) {	621	while ($busy) {
374	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
375	}	626	}
		627	}
376		628
377	$time = Event::time - $time;	629	my $time = AE::time - $time;
378		630
379	LOG llevError | logBacktrace, Carp::longmess "long sync job"
380	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
381
382	$tick_start += $time; # do not account sync jobs to server load	631	$TICK_START += $time; # do not account sync jobs to server load
383		632
384	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
385	} else {	634	} else {
386	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
387		636
…		…
407	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
408		657
409	$coro	658	$coro
410	}	659	}
411		660
412	=item fork_call { }, $args	661	=item fork_call { }, @args
413		662
414	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
415	process, returning the results. Everything must be serialisable with	664	process, returning the results. Everything must be serialisable with
416	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
417	never block itself or use any form of Event handling.	666	never block itself or use any form of event handling.
418		667
419	=cut	668	=cut
420		669
421	sub _store_scalar {	670	sub post_fork {
422	open my $fh, ">", \my $buf	671	reset_signals;
423	or die "fork_call: cannot open fh-to-buf in child : $!";
424	Storable::store_fd $_[0], $fh;
425	close $fh;
426
427	$buf
428	}	672	}
429		673
430	sub fork_call(&@) {	674	sub fork_call(&@) {
431	my ($cb, @args) = @_;	675	my ($cb, @args) = @_;
432		676
433	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	677	# we seemingly have to make a local copy of the whole thing,
434	# or die "socketpair: $!";	678	# otherwise perl prematurely frees the stuff :/
435	pipe my $fh1, my $fh2	679	# TODO: investigate and fix (likely this will be rather laborious)
436	or die "pipe: $!";
437		680
438	if (my $pid = fork) {	681	my @res = Coro::Util::fork_eval {
439	close $fh2;	682	cf::post_fork;
		683	&$cb
		684	} @args;
440		685
441	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	686	wantarray ? @res : $res[-1]
442	warn "pst<$res>" unless $res =~ /^pst/;	687	}
443	$res = Coro::Storable::thaw $res;
444		688
445	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	689	sub objinfo {
446
447	Carp::confess $$res unless "ARRAY" eq ref $res;
448
449	return wantarray ? @$res : $res->[-1];
450	} else {
451	reset_signals;
452	local $SIG{__WARN__};
453	local $SIG{__DIE__};
454	# just in case, this hack effectively disables event
455	# in the child. cleaner and slower would be canceling all watchers,
456	# but this works for the time being.
457	local $Coro::idle;
458	$Coro::current->prio (Coro::PRIO_MAX);
459
460	eval {
461	close $fh1;
462
463	my @res = eval { $cb->(@args) };
464
465	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
466	close $fh2;
467	};
468
469	warn $@ if $@;
470	_exit 0;
471	}	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
472	}	725	}
473		726
474	=item $value = cf::db_get $family => $key	727	=item $value = cf::db_get $family => $key
475		728
476	Returns a single value from the environment database.	729	Returns a single value from the environment database.
…		…
478	=item cf::db_put $family => $key => $value	731	=item cf::db_put $family => $key => $value
479		732
480	Stores the given C<$value> in the family. It can currently store binary	733	Stores the given C<$value> in the family. It can currently store binary
481	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).
482		735
		736	=item $db = cf::db_table "name"
		737
		738	Create and/or open a new database table. The string must not be "db" and must be unique
		739	within each server.
		740
483	=cut	741	=cut
		742
		743	sub db_table($) {
		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	}
484		762
485	our $DB;	763	our $DB;
486		764
487	sub db_init {	765	sub db_init {
488	unless ($DB) {	766	$DB ||= db_table "db";
489	$DB = BDB::db_create $DB_ENV;
490
491	cf::sync_job {
492	eval {
493	$DB->set_flags (BDB::CHKSUM);
494
495	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
496	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
497	cf::cleanup "db_open(db): $!" if $!;
498	};
499	cf::cleanup "db_open(db): $@" if $@;
500	};
501	}
502	}	767	}
503		768
504	sub db_get($$) {	769	sub db_get($$) {
505	my $key = "$_[0]/$_[1]";	770	my $key = "$_[0]/$_[1]";
506		771
507	cf::sync_job {	772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
508	BDB::db_get $DB, undef, $key, my $data;	775	BDB::db_get $DB, undef, $key, my $data;
509		776
510	$! ? ()	777	$! ? ()
511	: $data	778	: $data
512	}
513	}	779	}
514		780
515	sub db_put($$$) {	781	sub db_put($$$) {
516	BDB::dbreq_pri 4;	782	BDB::dbreq_pri 4;
517	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
545		811
546	my @data;	812	my @data;
547	my $md5;	813	my $md5;
548		814
549	for (0 .. $#$src) {	815	for (0 .. $#$src) {
550	0 <= aio_load $src->[$_], $data[$_]	816	$data[$_] = load_file $src->[$_];
551	or Carp::croak "$src->[$_]: $!";
552	}	817	}
553		818
554	# if processing is expensive, check	819	# if processing is expensive, check
555	# checksum first	820	# checksum first
556	if (1) {	821	if (1) {
557	$md5 =	822	$md5 =
558	join "\x00",	823	join "\x00",
559	$processversion,	824	$processversion,
560	map {	825	map {
561	Coro::cede;	826	cf::cede_to_tick;
562	($src->[$_], Digest::MD5::md5_hex $data[$_])	827	($src->[$_], Digest::MD5::md5_hex $data[$_])
563	} 0.. $#$src;	828	} 0.. $#$src;
564		829
565		830
566	my $dbmd5 = db_get cache => "$id/md5";	831	my $dbmd5 = db_get cache => "$id/md5";
…		…
573		838
574	my $t1 = Time::HiRes::time;	839	my $t1 = Time::HiRes::time;
575	my $data = $process->(\@data);	840	my $data = $process->(\@data);
576	my $t2 = Time::HiRes::time;	841	my $t2 = Time::HiRes::time;
577		842
578	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
579		844
580	db_put cache => "$id/data", $data;	845	db_put cache => "$id/data", $data;
581	db_put cache => "$id/md5" , $md5;	846	db_put cache => "$id/md5" , $md5;
582	db_put cache => "$id/meta", $meta;	847	db_put cache => "$id/meta", $meta;
583		848
…		…
593		858
594	=cut	859	=cut
595		860
596	sub datalog($@) {	861	sub datalog($@) {
597	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
598	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
599	}	864	}
600		865
601	=back	866	=back
602		867
603	=cut	868	=cut
604		869
605	#############################################################################	870	#############################################################################
606		871
607	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
608		873
609	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
610	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")
611	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
612		877
613	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>
614	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
615	Crossfire TRT).	880	Deliantra).
616		881
617	=over 4	882	=over 4
618		883
619	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
620		885
…		…
664	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
665		930
666	Register an attachment by C<$name> through which attachable objects of the	931	Register an attachment by C<$name> through which attachable objects of the
667	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
668		933
669	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
670	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.
671		936
672	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
673		938
674	=over 4	939	=over 4
…		…
798		1063
799	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
800	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
801		1066
802	} elsif (ref $type) {	1067	} elsif (ref $type) {
803	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
804		1069
805	} else {	1070	} else {
806	shift @arg;	1071	shift @arg;
807	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
808	}	1073	}
809	}	1074	}
810	}	1075	}
811		1076
812	sub _object_attach {	1077	sub _object_attach {
…		…
822	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
823	}	1088	}
824		1089
825	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
826	} else {	1091	} else {
827	warn "object uses attachment '$name' which is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
828	}	1093	}
829		1094
830	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
831	}	1096	}
832		1097
…		…
891		1156
892	for (@$callbacks) {	1157	for (@$callbacks) {
893	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
894		1159
895	if ($@) {	1160	if ($@) {
896	warn "$@";
897	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
898	override;	1162	override;
899	}	1163	}
900		1164
901	return 1 if $override;	1165	return 1 if $override;
902	}	1166	}
903		1167
904	0	1168	0
905	}	1169	}
906		1170
907	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
908		1172
909	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
910		1174
911	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
912		1176
…		…
919	=cut	1183	=cut
920		1184
921	#############################################################################	1185	#############################################################################
922	# object support	1186	# object support
923		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 $SLOW_MERGES;#d#
		1221	sub _can_merge {
		1222	my ($ob1, $ob2) = @_;
		1223
		1224	++$SLOW_MERGES;#d#
		1225
		1226	# we do the slow way here
		1227	return _object_equal $ob1, $ob2
		1228	}
		1229
924	sub reattach {	1230	sub reattach {
925	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
926	my ($obj) = @_;	1232	my ($obj) = @_;
927		1233
		1234	# no longer needed after getting rid of delete_package?
928	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
929		1236
930	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
931		1238
932	@$registry = ();	1239	@$registry = ();
933		1240
…		…
938	for (@$attach) {	1245	for (@$attach) {
939	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
940	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
941	}	1248	}
942	} else {	1249	} else {
943	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
944	}	1251	}
945	}	1252	}
946	}	1253	}
947		1254
948	cf::attachable->attach (	1255	cf::attachable->attach (
949	prio => -1000000,	1256	prio => -1000000,
950	on_instantiate => sub {	1257	on_instantiate => sub {
951	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
952		1259
953	$data = from_json $data;	1260	$data = decode_json $data;
954		1261
955	for (@$data) {	1262	for (@$data) {
956	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
957		1264
958	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
974	sub object_freezer_save {	1281	sub object_freezer_save {
975	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
976		1283
977	sync_job {	1284	sync_job {
978	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
979	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
980	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
981		1290
982	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
983	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
984	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
985	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	}
986	close $fh;	1298	aio_close $fh;
987		1299
988	if (@$objs) {	1300	if (@$objs) {
989	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) {
990	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
991	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
992	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
993	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	}
994	close $fh;	1309	aio_close $fh;
995	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
996	}	1311	}
997	} else {	1312	} else {
998	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
999	}	1314	}
1000		1315
1001	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
1002	} else {	1320	} else {
1003	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
1004	}	1322	}
1005	} else {	1323	} else {
1006	aio_unlink $filename;	1324	aio_unlink $filename;
1007	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
1008	}	1326	}
1009	}	1327	};
1010	}	1328	}
1011		1329
1012	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
1013	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
1014		1332
…		…
1026	or return;	1344	or return;
1027		1345
1028	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
1029	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
1030	or return;	1348	or return;
		1349
1031	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
1032	}	1352	}
1033		1353
		1354	utf8::decode (my $decname = $filename);
1034	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
1035	$filename, length $data, scalar @{$av || []};	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
1036	return ($data, $av);	1359	($data, $av)
1037	}	1360	}
1038		1361
1039	=head2 COMMAND CALLBACKS	1362	=head2 COMMAND CALLBACKS
1040		1363
1041	=over 4	1364	=over 4
…		…
1095	my ($name, $cb) = @_;	1418	my ($name, $cb) = @_;
1096		1419
1097	$EXTICMD{$name} = $cb;	1420	$EXTICMD{$name} = $cb;
1098	}	1421	}
1099		1422
		1423	use File::Glob ();
		1424
1100	cf::player->attach (	1425	cf::player->attach (
1101	on_command => sub {	1426	on_unknown_command => sub {
1102	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
1103		1428
1104	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
1105	or return;	1430	or return;
1106		1431
…		…
1114	my ($pl, $buf) = @_;	1439	my ($pl, $buf) = @_;
1115		1440
1116	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1441	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1117		1442
1118	if (ref $msg) {	1443	if (ref $msg) {
		1444	my ($type, $reply, @payload) =
		1445	"ARRAY" eq ref $msg
		1446	? @$msg
		1447	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1448
		1449	my @reply;
		1450
1119	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1451	if (my $cb = $EXTCMD{$type}) {
1120	if (my %reply = $cb->($pl, $msg)) {	1452	@reply = $cb->($pl, @payload);
1121	$pl->ext_reply ($msg->{msgid}, %reply);
1122	}
1123	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
1124	} else {	1458	} else {
1125	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1126	}	1460	}
1127		1461
1128	cf::override;	1462	cf::override;
1129	},	1463	},
1130	);	1464	);
1131		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
1132	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
1133	cf::sync_job {	1482	cf::sync_job {
1134	my %todo;	1483	my %todo;
1135		1484
1136	for my $path (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
1137	next unless -r $path;	1486	next unless -r $path;
…		…
1155		1504
1156	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1157	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1158		1507
1159	$ext{source} =	1508	$ext{source} =
1160	"package $pkg; use strict; use utf8;\n"	1509	"package $pkg; use common::sense;\n"
1161	. "#line 1 \"$path\"\n{\n"	1510	. "#line 1 \"$path\"\n{\n"
1162	. $source	1511	. $source
1163	. "\n};\n1";	1512	. "\n};\n1";
1164		1513
1165	$todo{$base} = \%ext;	1514	$todo{$base} = \%ext;
1166	}	1515	}
1167		1516
		1517	my $pass = 0;
1168	my %done;	1518	my %done;
1169	while (%todo) {	1519	while (%todo) {
1170	my $progress;	1520	my $progress;
1171		1521
		1522	++$pass;
		1523
		1524	ext:
1172	while (my ($k, $v) = each %todo) {	1525	while (my ($k, $v) = each %todo) {
1173	for (split /,\s*/, $v->{meta}{depends}) {	1526	for (split /,\s*/, $v->{meta}{depends}) {
1174	goto skip	1527	next ext
1175	unless exists $done{$_};	1528	unless exists $done{$_};
1176	}	1529	}
1177		1530
1178	warn "... loading '$k' into '$v->{pkg}'\n";	1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1179		1532
1180	unless (eval $v->{source}) {	1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
1181	my $msg = $@ ? "$v->{path}: $@\n"	1536	error "$v->{path}: $@\n";
1182	: "$v->{base}: extension inactive.\n";
1183		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1184	if (exists $v->{meta}{mandatory}) {	1539	if exists $v->{meta}{mandatory};
1185	warn $msg;	1540
1186	warn "mandatory extension failed to load, exiting.\n";	1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1187	exit 1;	1542	delete $todo{$k};
1188	}	1543	} else {
1189		1544	$done{$k} = delete $todo{$k};
1190	warn $msg;	1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
1191	}	1550	}
1192
1193	$done{$k} = delete $todo{$k};
1194	push @EXTS, $v->{pkg};
1195	$progress = 1;
1196	}	1551	}
1197		1552
1198	skip:	1553	unless ($progress) {
1199	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1200	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	}
1201	}	1563	}
1202	};	1564	};
1203	}	1565	}
1204		1566
1205	#############################################################################	1567	#############################################################################
1206		1568
1207	=back	1569	=back
1208		1570
1209	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
1210		1572
1211	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
1212		1574
1213	=cut	1575	=cut
1214		1576
1215	package cf::player;	1577	package cf::player;
1216		1578
1217	use Coro::AIO;	1579	use Coro::AIO;
1218		1580
1219	=head3 cf::player	1581	=head3 cf::player
1220		1582
1221	=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	}
1222		1598
1223	=item cf::player::find $login	1599	=item cf::player::find $login
1224		1600
1225	Returns the given player object, loading it if necessary (might block).	1601	Returns the given player object, loading it if necessary (might block).
1226		1602
…		…
1245		1621
1246	sub exists($) {	1622	sub exists($) {
1247	my ($login) = @_;	1623	my ($login) = @_;
1248		1624
1249	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
1250	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
1251	}	1627	}
1252		1628
1253	sub find($) {	1629	sub find($) {
1254	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
1255	my $login = $_[0];	1631	my $login = $_[0];
…		…
1262	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1638	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1263	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1639	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1264	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1640	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1265	aio_unlink +(playerdir $login) . "/$login.pl";	1641	aio_unlink +(playerdir $login) . "/$login.pl";
1266		1642
1267	my $pl = load_pl path $login	1643	my $f = new_from_file cf::object::thawer path $login
1268	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;
1269	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1270	}	1652	}
1271	}	1653	}
1272	}	1654	}
		1655
		1656	cf::player->attach (
		1657	on_load => sub {
		1658	my ($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	);
1273		1668
1274	sub save($) {	1669	sub save($) {
1275	my ($pl) = @_;	1670	my ($pl) = @_;
1276		1671
1277	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
…		…
1282	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1283		1678
1284	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1285	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
1286		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
1287	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1288	Coro::cede;	1688	cf::cede_to_tick;
1289	}	1689	}
1290		1690
1291	sub new($) {	1691	sub new($) {
1292	my ($login) = @_;	1692	my ($login) = @_;
1293		1693
…		…
1299	$cf::PLAYER{$login} = $self;	1699	$cf::PLAYER{$login} = $self;
1300		1700
1301	$self	1701	$self
1302	}	1702	}
1303		1703
		1704	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1705
		1706	=cut
		1707
		1708	sub send_msg {
		1709	my $ns = shift->ns
		1710	or return;
		1711	$ns->send_msg (@_);
		1712	}
		1713
1304	=item $pl->quit_character	1714	=item $pl->quit_character
1305		1715
1306	Nukes the player without looking back. If logged in, the connection will	1716	Nukes the player without looking back. If logged in, the connection will
1307	be destroyed. May block for a long time.	1717	be destroyed. May block for a long time.
1308		1718
…		…
1312	my ($pl) = @_;	1722	my ($pl) = @_;
1313		1723
1314	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1315		1725
1316	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1317	$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
1318		1728
1319	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1320	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1321	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1322	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1323		1737
1324	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1325	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1326	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1361	or return [];	1775	or return [];
1362		1776
1363	my @logins;	1777	my @logins;
1364		1778
1365	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") {
1366	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1367	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1368	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1369		1789
1370	utf8::decode $login;	1790	utf8::decode $login;
1371	push @logins, $login;	1791	push @logins, $login;
1372	}	1792	}
1373		1793
1374	\@logins	1794	\@logins
1375	}	1795	}
1376		1796
1377	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1378		1800
1379	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1380	player. May block.	1802	player. May block.
1381		1803
1382	=cut	1804	=cut
…		…
1400	}	1822	}
1401		1823
1402	\@paths	1824	\@paths
1403	}	1825	}
1404		1826
1405	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1406		1828
1407	Expand crossfire pod fragments into protocol xml.	1829	Expand deliantra pod fragments into protocol xml.
1408		1830
1409	=cut
1410
1411	sub expand_cfpod {
1412	((my $self), (local $_)) = @_;
1413
1414	# escape & and <
1415	s/&/&amp;/g;
1416	s/(?<![BIUGH])</&lt;/g;
1417
1418	# this is buggy, it needs to properly take care of nested <'s
1419
1420	1 while
1421	# replace B<>, I<>, U<> etc.
1422	s/B<([^\>]*)>/<b>$1<\/b>/
1423	|| s/I<([^\>]*)>/<i>$1<\/i>/
1424	|| s/U<([^\>]*)>/<u>$1<\/u>/
1425	# replace G<male|female> tags
1426	|| s{G<([^>|]*)\|([^>]*)>}{
1427	$self->gender ? $2 : $1
1428	}ge
1429	# replace H<hint text>
1430	|| s{H<([^\>]*)>}
1431	{
1432	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1433	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1434	"")
1435	[$self->{hintmode}]
1436	}ge;
1437
1438	# create single paragraphs (very hackish)
1439	s/(?<=\S)\n(?=\w)/ /g;
1440
1441	# compress some whitespace
1442	s/\s+\n/\n/g; # ws line-ends
1443	s/\n\n+/\n/g; # double lines
1444	s/^\n+//; # beginning lines
1445	s/\n+$//; # ending lines
1446
1447	$_
1448	}
1449
1450	sub hintmode {
1451	$_[0]{hintmode} = $_[1] if @_ > 1;
1452	$_[0]{hintmode}
1453	}
1454
1455	=item $player->ext_reply ($msgid, %msg)	1831	=item $player->ext_reply ($msgid, @msg)
1456		1832
1457	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1458		1834
1459	=cut	1835	=cut
1460		1836
1461	sub ext_reply($$%) {	1837	sub ext_reply($$@) {
1462	my ($self, $id, %msg) = @_;	1838	my ($self, $id, @msg) = @_;
1463		1839
1464	$msg{msgid} = $id;	1840	$self->ns->ext_reply ($id, @msg)
1465	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1466	}	1841	}
1467		1842
1468	=item $player->ext_event ($type, %msg)	1843	=item $player->ext_msg ($type, @msg)
1469		1844
1470	Sends an ext event to the client.	1845	Sends an ext event to the client.
1471		1846
1472	=cut	1847	=cut
1473		1848
1474	sub ext_event($$%) {	1849	sub ext_msg($$@) {
1475	my ($self, $type, %msg) = @_;	1850	my ($self, $type, @msg) = @_;
1476		1851
1477	$self->ns->ext_event ($type, %msg);	1852	$self->ns->ext_msg ($type, @msg);
1478	}	1853	}
1479		1854
1480	=head3 cf::region	1855	=head3 cf::region
1481		1856
1482	=over 4	1857	=over 4
…		…
1491		1866
1492	=cut	1867	=cut
1493		1868
1494	sub find_by_path($) {	1869	sub find_by_path($) {
1495	my ($path) = @_;	1870	my ($path) = @_;
		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
1496		1873
1497	my ($match, $specificity);	1874	my ($match, $specificity);
1498		1875
1499	for my $region (list) {	1876	for my $region (list) {
1500	if ($region->{match} && $path =~ $region->{match}) {	1877	if ($region->{match} && $path =~ $region->{match}) {
…		…
1526	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1527	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1528		1905
1529	sub generate_random_map {	1906	sub generate_random_map {
1530	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1531	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1532	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1533	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1534	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1535	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1536	$rmp->{exit_on_final_map},
1537	$rmp->{xsize}, $rmp->{ysize},
1538	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1539	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1540	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1541	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1542	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1543	(cf::region::find $rmp->{region}), $rmp->{custom}
1544	)
1545	}	1912	}
1546		1913
1547	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1548		1915
1549	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
…		…
1554		1921
1555	sub register {	1922	sub register {
1556	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1557	my $pkg = caller;	1924	my $pkg = caller;
1558		1925
1559	no strict;
1560	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1561		1927
1562	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1563	}	1929	}
1564		1930
1565	# also paths starting with '/'	1931	# also paths starting with '/'
1566	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1567		1933
1568	sub thawer_merge {	1934	sub thawer_merge {
1569	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1570		1936
1571	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
…		…
1576	}	1942	}
1577		1943
1578	sub normalise {	1944	sub normalise {
1579	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1580		1946
1581	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1582		1948
1583	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1584		1950
1585	# map plan:	1951	# map plan:
1586	#	1952	#
…		…
1601	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1602	$path = "$base/$path";	1968	$path = "$base/$path";
1603	}	1969	}
1604		1970
1605	for ($path) {	1971	for ($path) {
1606	redo if s{//}{/};
1607	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1608	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1609	}	1974	}
1610		1975
1611	$path	1976	$path
…		…
1625	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1626	return $self;	1991	return $self;
1627	}	1992	}
1628	}	1993	}
1629		1994
1630	Carp::cluck "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1631	()	1996	()
1632	}	1997	}
1633		1998
		1999	# may re-bless or do other evil things
1634	sub init {	2000	sub init {
1635	my ($self) = @_;	2001	my ($self) = @_;
1636		2002
1637	$self	2003	$self
1638	}	2004	}
…		…
1657		2023
1658	# the temporary/swap location	2024	# the temporary/swap location
1659	sub save_path {	2025	sub save_path {
1660	my ($self) = @_;	2026	my ($self) = @_;
1661		2027
1662	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2028	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1663	"$TMPDIR/$path.map"	2029	"$TMPDIR/$path.map"
1664	}	2030	}
1665		2031
1666	# the unique path, undef == no special unique path	2032	# the unique path, undef == no special unique path
1667	sub uniq_path {	2033	sub uniq_path {
1668	my ($self) = @_;	2034	my ($self) = @_;
1669		2035
1670	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1671	"$UNIQUEDIR/$path"	2037	"$UNIQUEDIR/$path"
1672	}
1673
1674	# and all this just because we cannot iterate over
1675	# all maps in C++...
1676	sub change_all_map_light {
1677	my ($change) = @_;
1678
1679	$_->change_map_light ($change)
1680	for grep $_->outdoor, values %cf::MAP;
1681	}	2038	}
1682		2039
1683	sub decay_objects {	2040	sub decay_objects {
1684	my ($self) = @_;	2041	my ($self) = @_;
1685		2042
…		…
1698		2055
1699	sub load_header_from($) {	2056	sub load_header_from($) {
1700	my ($self, $path) = @_;	2057	my ($self, $path) = @_;
1701		2058
1702	utf8::encode $path;	2059	utf8::encode $path;
1703	#aio_open $path, O_RDONLY, 0	2060	my $f = new_from_file cf::object::thawer $path
1704	# or return;
1705
1706	$self->_load_header ($path)
1707	or return;	2061	or return;
		2062
		2063	$self->_load_header ($f)
		2064	or return;
		2065
		2066	local $MAP_LOADING{$self->{path}} = $self;
		2067	$f->resolve_delayed_derefs;
1708		2068
1709	$self->{load_path} = $path;	2069	$self->{load_path} = $path;
1710		2070
1711	1	2071	1
1712	}	2072	}
…		…
1764		2124
1765	sub find;	2125	sub find;
1766	sub find {	2126	sub find {
1767	my ($path, $origin) = @_;	2127	my ($path, $origin) = @_;
1768		2128
		2129	cf::cede_to_tick;
		2130
1769	$path = normalise $path, $origin && $origin->path;	2131	$path = normalise $path, $origin && $origin->path;
1770		2132
		2133	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1771	cf::lock_wait "map_find:$path";	2134	my $guard2 = cf::lock_acquire "map_find:$path";
1772		2135
1773	$cf::MAP{$path} || do {	2136	$cf::MAP{$path} || do {
1774	my $guard = cf::lock_acquire "map_find:$path";
1775	my $map = new_from_path cf::map $path	2137	my $map = new_from_path cf::map $path
1776	or return;	2138	or return;
1777		2139
1778	$map->{last_save} = $cf::RUNTIME;	2140	$map->{last_save} = $cf::RUNTIME;
1779		2141
…		…
1781	or return;	2143	or return;
1782		2144
1783	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2145	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1784	# doing this can freeze the server in a sync job, obviously	2146	# doing this can freeze the server in a sync job, obviously
1785	#$cf::WAIT_FOR_TICK->wait;	2147	#$cf::WAIT_FOR_TICK->wait;
		2148	undef $guard2;
		2149	undef $guard1;
1786	$map->reset;	2150	$map->reset;
1787	undef $guard;
1788	return find $path;	2151	return find $path;
1789	}	2152	}
1790		2153
1791	$cf::MAP{$path} = $map	2154	$cf::MAP{$path} = $map
1792	}	2155	}
1793	}	2156	}
1794		2157
1795	sub pre_load { }	2158	sub pre_load { }
1796	sub post_load { }	2159	#sub post_load { } # XS
1797		2160
1798	sub load {	2161	sub load {
1799	my ($self) = @_;	2162	my ($self) = @_;
1800		2163
1801	local $self->{deny_reset} = 1; # loading can take a long time	2164	local $self->{deny_reset} = 1; # loading can take a long time
1802		2165
1803	my $path = $self->{path};	2166	my $path = $self->{path};
1804		2167
1805	{	2168	{
1806	my $guard = cf::lock_acquire "map_load:$path";	2169	my $guard = cf::lock_acquire "map_data:$path";
1807		2170
		2171	return unless $self->valid;
1808	return if $self->in_memory != cf::MAP_SWAPPED;	2172	return unless $self->in_memory == cf::MAP_SWAPPED;
1809		2173
1810	$self->in_memory (cf::MAP_LOADING);	2174	$self->in_memory (cf::MAP_LOADING);
1811		2175
1812	$self->alloc;	2176	$self->alloc;
1813		2177
1814	$self->pre_load;	2178	$self->pre_load;
1815	Coro::cede;	2179	cf::cede_to_tick;
1816		2180
		2181	my $f = new_from_file cf::object::thawer $self->{load_path};
		2182	$f->skip_block;
1817	$self->_load_objects ($self->{load_path}, 1)	2183	$self->_load_objects ($f)
1818	or return;	2184	or return;
1819		2185
1820	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2186	$self->post_load_original
1821	if delete $self->{load_original};	2187	if delete $self->{load_original};
1822		2188
1823	if (my $uniq = $self->uniq_path) {	2189	if (my $uniq = $self->uniq_path) {
1824	utf8::encode $uniq;	2190	utf8::encode $uniq;
1825	if (aio_open $uniq, O_RDONLY, 0) {	2191	unless (aio_stat $uniq) {
		2192	if (my $f = new_from_file cf::object::thawer $uniq) {
1826	$self->clear_unique_items;	2193	$self->clear_unique_items;
1827	$self->_load_objects ($uniq, 0);	2194	$self->_load_objects ($f);
		2195	$f->resolve_delayed_derefs;
		2196	}
1828	}	2197	}
1829	}	2198	}
1830		2199
1831	Coro::cede;	2200	$f->resolve_delayed_derefs;
		2201
		2202	cf::cede_to_tick;
1832	# now do the right thing for maps	2203	# now do the right thing for maps
1833	$self->link_multipart_objects;	2204	$self->link_multipart_objects;
1834	$self->difficulty ($self->estimate_difficulty)	2205	$self->difficulty ($self->estimate_difficulty)
1835	unless $self->difficulty;	2206	unless $self->difficulty;
1836	Coro::cede;	2207	cf::cede_to_tick;
1837		2208
1838	unless ($self->{deny_activate}) {	2209	unless ($self->{deny_activate}) {
1839	$self->decay_objects;	2210	$self->decay_objects;
1840	$self->fix_auto_apply;	2211	$self->fix_auto_apply;
1841	$self->update_buttons;	2212	$self->update_buttons;
1842	Coro::cede;	2213	cf::cede_to_tick;
1843	$self->set_darkness_map;
1844	Coro::cede;
1845	$self->activate;	2214	$self->activate;
1846	}	2215	}
1847		2216
		2217	$self->{last_save} = $cf::RUNTIME;
		2218	$self->last_access ($cf::RUNTIME);
		2219
1848	$self->in_memory (cf::MAP_IN_MEMORY);	2220	$self->in_memory (cf::MAP_ACTIVE);
1849	}	2221	}
1850		2222
1851	$self->post_load;	2223	$self->post_load;
1852	}
1853		2224
		2225	1
		2226	}
		2227
		2228	# customize the map for a given player, i.e.
		2229	# return the _real_ map. used by e.g. per-player
		2230	# maps to change the path to ~playername/mappath
1854	sub customise_for {	2231	sub customise_for {
1855	my ($self, $ob) = @_;	2232	my ($self, $ob) = @_;
1856		2233
1857	return find "~" . $ob->name . "/" . $self->{path}	2234	return find "~" . $ob->name . "/" . $self->{path}
1858	if $self->per_player;	2235	if $self->per_player;
…		…
1862		2239
1863	$self	2240	$self
1864	}	2241	}
1865		2242
1866	# find and load all maps in the 3x3 area around a map	2243	# find and load all maps in the 3x3 area around a map
1867	sub load_diag {	2244	sub load_neighbours {
1868	my ($map) = @_;	2245	my ($map) = @_;
1869		2246
1870	my @diag; # diagonal neighbours	2247	my @neigh; # diagonal neighbours
1871		2248
1872	for (0 .. 3) {	2249	for (0 .. 3) {
1873	my $neigh = $map->tile_path ($_)	2250	my $neigh = $map->tile_path ($_)
1874	or next;	2251	or next;
1875	$neigh = find $neigh, $map	2252	$neigh = find $neigh, $map
1876	or next;	2253	or next;
1877	$neigh->load;	2254	$neigh->load;
1878		2255
		2256	# now find the diagonal neighbours
		2257	push @neigh,
1879	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2258	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1880	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2259	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1881	}	2260	}
1882		2261
1883	for (@diag) {	2262	for (grep defined $_->[0], @neigh) {
		2263	my ($path, $origin) = @$_;
1884	my $neigh = find @$_	2264	my $neigh = find $path, $origin
1885	or next;	2265	or next;
1886	$neigh->load;	2266	$neigh->load;
1887	}	2267	}
1888	}	2268	}
1889		2269
1890	sub find_sync {	2270	sub find_sync {
1891	my ($path, $origin) = @_;	2271	my ($path, $origin) = @_;
1892		2272
1893	cf::sync_job { find $path, $origin }	2273	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2274	if $Coro::current == $Coro::main;
		2275
		2276	find $path, $origin
1894	}	2277	}
1895		2278
1896	sub do_load_sync {	2279	sub do_load_sync {
1897	my ($map) = @_;	2280	my ($map) = @_;
1898		2281
1899	cf::sync_job { $map->load };	2282	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2283	if $Coro::current == $Coro::main;
		2284
		2285	$map->load;
1900	}	2286	}
1901		2287
1902	our %MAP_PREFETCH;	2288	our %MAP_PREFETCH;
1903	our $MAP_PREFETCHER = undef;	2289	our $MAP_PREFETCHER = undef;
1904		2290
1905	sub find_async {	2291	sub find_async {
1906	my ($path, $origin) = @_;	2292	my ($path, $origin, $load) = @_;
1907		2293
1908	$path = normalise $path, $origin && $origin->{path};	2294	$path = normalise $path, $origin && $origin->{path};
1909		2295
1910	if (my $map = $cf::MAP{$path}) {	2296	if (my $map = $cf::MAP{$path}) {
1911	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2297	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1912	}	2298	}
1913		2299
1914	undef $MAP_PREFETCH{$path};	2300	$MAP_PREFETCH{$path} |= $load;
		2301
1915	$MAP_PREFETCHER ||= cf::async {	2302	$MAP_PREFETCHER ||= cf::async {
		2303	$Coro::current->{desc} = "map prefetcher";
		2304
1916	while (%MAP_PREFETCH) {	2305	while (%MAP_PREFETCH) {
1917	for my $path (keys %MAP_PREFETCH) {	2306	while (my ($k, $v) = each %MAP_PREFETCH) {
1918	if (my $map = find $path) {	2307	if (my $map = find $k) {
1919	$map->load;	2308	$map->load if $v;
1920	}	2309	}
1921		2310
1922	delete $MAP_PREFETCH{$path};	2311	delete $MAP_PREFETCH{$k};
1923	}	2312	}
1924	}	2313	}
1925	undef $MAP_PREFETCHER;	2314	undef $MAP_PREFETCHER;
1926	};	2315	};
1927	$MAP_PREFETCHER->prio (6);	2316	$MAP_PREFETCHER->prio (6);
1928		2317
1929	()	2318	()
1930	}	2319	}
1931		2320
		2321	# common code, used by both ->save and ->swapout
1932	sub save {	2322	sub _save {
1933	my ($self) = @_;	2323	my ($self) = @_;
1934
1935	my $lock = cf::lock_acquire "map_data:" . $self->path;
1936		2324
1937	$self->{last_save} = $cf::RUNTIME;	2325	$self->{last_save} = $cf::RUNTIME;
1938		2326
1939	return unless $self->dirty;	2327	return unless $self->dirty;
1940		2328
…		…
1946	return if $self->{deny_save};	2334	return if $self->{deny_save};
1947		2335
1948	local $self->{last_access} = $self->last_access;#d#	2336	local $self->{last_access} = $self->last_access;#d#
1949		2337
1950	cf::async {	2338	cf::async {
		2339	$Coro::current->{desc} = "map player save";
1951	$_->contr->save for $self->players;	2340	$_->contr->save for $self->players;
1952	};	2341	};
		2342
		2343	cf::get_slot 0.02;
1953		2344
1954	if ($uniq) {	2345	if ($uniq) {
1955	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2346	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1956	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2347	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1957	} else {	2348	} else {
1958	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2349	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1959	}	2350	}
1960	}	2351	}
1961		2352
		2353	sub save {
		2354	my ($self) = @_;
		2355
		2356	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2357
		2358	$self->_save;
		2359	}
		2360
1962	sub swap_out {	2361	sub swap_out {
1963	my ($self) = @_;	2362	my ($self) = @_;
1964		2363
1965	# save first because save cedes
1966	$self->save;
1967
1968	my $lock = cf::lock_acquire "map_data:" . $self->path;	2364	my $lock = cf::lock_acquire "map_data:$self->{path}";
1969		2365
		2366	return if $self->in_memory != cf::MAP_ACTIVE;
		2367	return if $self->{deny_save};
1970	return if $self->players;	2368	return if $self->players;
1971	return if $self->in_memory != cf::MAP_IN_MEMORY;
1972	return if $self->{deny_save};
1973		2369
		2370	# first deactivate the map and "unlink" it from the core
		2371	$self->deactivate;
		2372	$_->clear_links_to ($self) for values %cf::MAP;
		2373	$self->in_memory (cf::MAP_SWAPPED);
		2374
		2375	# then atomically save
		2376	$self->_save;
		2377
		2378	# then free the map
1974	$self->clear;	2379	$self->clear;
1975	$self->in_memory (cf::MAP_SWAPPED);
1976	}	2380	}
1977		2381
1978	sub reset_at {	2382	sub reset_at {
1979	my ($self) = @_;	2383	my ($self) = @_;
1980		2384
…		…
1998		2402
1999	my $lock = cf::lock_acquire "map_data:$self->{path}";	2403	my $lock = cf::lock_acquire "map_data:$self->{path}";
2000		2404
2001	return if $self->players;	2405	return if $self->players;
2002		2406
2003	warn "resetting map ", $self->path;	2407	cf::trace "resetting map ", $self->path, "\n";
2004		2408
2005	$self->in_memory (cf::MAP_SWAPPED);	2409	$self->in_memory (cf::MAP_SWAPPED);
2006		2410
2007	# need to save uniques path	2411	# need to save uniques path
2008	unless ($self->{deny_save}) {	2412	unless ($self->{deny_save}) {
…		…
2012	if $uniq;	2416	if $uniq;
2013	}	2417	}
2014		2418
2015	delete $cf::MAP{$self->path};	2419	delete $cf::MAP{$self->path};
2016		2420
		2421	$self->deactivate;
		2422	$_->clear_links_to ($self) for values %cf::MAP;
2017	$self->clear;	2423	$self->clear;
2018
2019	$_->clear_links_to ($self) for values %cf::MAP;
2020		2424
2021	$self->unlink_save;	2425	$self->unlink_save;
2022	$self->destroy;	2426	$self->destroy;
2023	}	2427	}
2024		2428
2025	my $nuke_counter = "aaaa";	2429	my $nuke_counter = "aaaa";
2026		2430
2027	sub nuke {	2431	sub nuke {
2028	my ($self) = @_;	2432	my ($self) = @_;
2029		2433
		2434	{
		2435	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2436
2030	delete $cf::MAP{$self->path};	2437	delete $cf::MAP{$self->path};
2031		2438
2032	$self->unlink_save;	2439	$self->unlink_save;
2033		2440
2034	bless $self, "cf::map";	2441	bless $self, "cf::map::wrap";
2035	delete $self->{deny_reset};	2442	delete $self->{deny_reset};
2036	$self->{deny_save} = 1;	2443	$self->{deny_save} = 1;
2037	$self->reset_timeout (1);	2444	$self->reset_timeout (1);
2038	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2445	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2039		2446
2040	$cf::MAP{$self->path} = $self;	2447	$cf::MAP{$self->path} = $self;
		2448	}
2041		2449
2042	$self->reset; # polite request, might not happen	2450	$self->reset; # polite request, might not happen
2043	}	2451	}
2044		2452
2045	=item $maps = cf::map::tmp_maps	2453	=item $maps = cf::map::tmp_maps
…		…
2087		2495
2088	sub unique_maps() {	2496	sub unique_maps() {
2089	[	2497	[
2090	map {	2498	map {
2091	utf8::decode $_;	2499	utf8::decode $_;
2092	/\.map$/	2500	s/\.map$//; # TODO future compatibility hack
		2501	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2502	? ()
2093	? normalise $_	2503	: normalise $_
2094	: ()
2095	} @{ aio_readdir $UNIQUEDIR or [] }	2504	} @{ aio_readdir $UNIQUEDIR or [] }
2096	]	2505	]
2097	}	2506	}
2098		2507
2099	package cf;	2508	=item cf::map::static_maps
		2509
		2510	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2511	file in the shared directory excluding F</styles> and F</editor>). May
		2512	block.
		2513
		2514	=cut
		2515
		2516	sub static_maps() {
		2517	my @dirs = "";
		2518	my @maps;
		2519
		2520	while (@dirs) {
		2521	my $dir = shift @dirs;
		2522
		2523	next if $dir eq "/styles" || $dir eq "/editor";
		2524
		2525	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2526	or return;
		2527
		2528	for (@$files) {
		2529	s/\.map$// or next;
		2530	utf8::decode $_;
		2531	push @maps, "$dir/$_";
		2532	}
		2533
		2534	push @dirs, map "$dir/$_", @$dirs;
		2535	}
		2536
		2537	\@maps
		2538	}
2100		2539
2101	=back	2540	=back
2102		2541
2103	=head3 cf::object	2542	=head3 cf::object
2104		2543
…		…
2108		2547
2109	=over 4	2548	=over 4
2110		2549
2111	=item $ob->inv_recursive	2550	=item $ob->inv_recursive
2112		2551
2113	Returns the inventory of the object _and_ their inventories, recursively.	2552	Returns the inventory of the object I<and> their inventories, recursively,
		2553	but I<not> the object itself.
2114		2554
2115	=cut	2555	=cut
2116		2556
2117	sub inv_recursive_;	2557	sub inv_recursive_;
2118	sub inv_recursive_ {	2558	sub inv_recursive_ {
…		…
2121		2561
2122	sub inv_recursive {	2562	sub inv_recursive {
2123	inv_recursive_ inv $_[0]	2563	inv_recursive_ inv $_[0]
2124	}	2564	}
2125		2565
		2566	=item $ref = $ob->ref
		2567
		2568	Creates and returns a persistent reference to an object that can be stored as a string.
		2569
		2570	=item $ob = cf::object::deref ($refstring)
		2571
		2572	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2573	even if the object actually exists. May block.
		2574
		2575	=cut
		2576
		2577	sub deref {
		2578	my ($ref) = @_;
		2579
		2580	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2581	my ($uuid, $name) = ($1, $2);
		2582	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2583	or return;
		2584	$pl->ob->uuid eq $uuid
		2585	or return;
		2586
		2587	$pl->ob
		2588	} else {
		2589	warn "$ref: cannot resolve object reference\n";
		2590	undef
		2591	}
		2592	}
		2593
2126	package cf;	2594	package cf;
2127		2595
2128	=back	2596	=back
2129		2597
2130	=head3 cf::object::player	2598	=head3 cf::object::player
…		…
2136	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2604	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2137	can be C<undef>. Does the right thing when the player is currently in a	2605	can be C<undef>. Does the right thing when the player is currently in a
2138	dialogue with the given NPC character.	2606	dialogue with the given NPC character.
2139		2607
2140	=cut	2608	=cut
		2609
		2610	our $SAY_CHANNEL = {
		2611	id => "say",
		2612	title => "Map",
		2613	reply => "say ",
		2614	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2615	};
		2616
		2617	our $CHAT_CHANNEL = {
		2618	id => "chat",
		2619	title => "Chat",
		2620	reply => "chat ",
		2621	tooltip => "Player chat and shouts, global to the server.",
		2622	};
2141		2623
2142	# rough implementation of a future "reply" method that works	2624	# rough implementation of a future "reply" method that works
2143	# with dialog boxes.	2625	# with dialog boxes.
2144	#TODO: the first argument must go, split into a $npc->reply_to ( method	2626	#TODO: the first argument must go, split into a $npc->reply_to ( method
2145	sub cf::object::player::reply($$$;$) {	2627	sub cf::object::player::reply($$$;$) {
…		…
2152		2634
2153	} else {	2635	} else {
2154	my $pl = $self->contr;	2636	my $pl = $self->contr;
2155		2637
2156	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2638	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2157	my $diag = $pl->{npc_dialog};	2639	my $dialog = $pl->{npc_dialog};
2158	$diag->{pl}->ext_reply (	2640	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2159	$diag->{id},
2160	msgtype => "reply",
2161	msg => $diag->{pl}->expand_cfpod ($msg),
2162	add_topics => []
2163	);
2164		2641
2165	} else {	2642	} else {
2166	$msg = $npc->name . " says: $msg" if $npc;	2643	$msg = $npc->name . " says: $msg" if $npc;
2167	$self->message ($msg, $flags);	2644	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2168	}	2645	}
2169	}	2646	}
		2647	}
		2648
		2649	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2650
		2651	=cut
		2652
		2653	sub cf::object::send_msg {
		2654	my $pl = shift->contr
		2655	or return;
		2656	$pl->send_msg (@_);
2170	}	2657	}
2171		2658
2172	=item $player_object->may ("access")	2659	=item $player_object->may ("access")
2173		2660
2174	Returns wether the given player is authorized to access resource "access"	2661	Returns wether the given player is authorized to access resource "access"
…		…
2187		2674
2188	=item $player_object->enter_link	2675	=item $player_object->enter_link
2189		2676
2190	Freezes the player and moves him/her to a special map (C<{link}>).	2677	Freezes the player and moves him/her to a special map (C<{link}>).
2191		2678
2192	The player should be reasonably safe there for short amounts of time. You	2679	The player should be reasonably safe there for short amounts of time (e.g.
2193	I<MUST> call C<leave_link> as soon as possible, though.	2680	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2681	though, as the player cannot control the character while it is on the link
		2682	map.
2194		2683
2195	Will never block.	2684	Will never block.
2196		2685
2197	=item $player_object->leave_link ($map, $x, $y)	2686	=item $player_object->leave_link ($map, $x, $y)
2198		2687
…		…
2218	sub cf::object::player::enter_link {	2707	sub cf::object::player::enter_link {
2219	my ($self) = @_;	2708	my ($self) = @_;
2220		2709
2221	$self->deactivate_recursive;	2710	$self->deactivate_recursive;
2222		2711
		2712	++$self->{_link_recursion};
		2713
2223	return if UNIVERSAL::isa $self->map, "ext::map_link";	2714	return if UNIVERSAL::isa $self->map, "ext::map_link";
2224		2715
2225	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2716	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2226	if $self->map && $self->map->{path} ne "{link}";	2717	if $self->map && $self->map->{path} ne "{link}";
2227		2718
2228	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2719	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2229	}	2720	}
2230		2721
2231	sub cf::object::player::leave_link {	2722	sub cf::object::player::leave_link {
2232	my ($self, $map, $x, $y) = @_;	2723	my ($self, $map, $x, $y) = @_;
2233		2724
…		…
2250	($x, $y) = (-1, -1)	2741	($x, $y) = (-1, -1)
2251	unless (defined $x) && (defined $y);	2742	unless (defined $x) && (defined $y);
2252		2743
2253	# use -1 or undef as default coordinates, not 0, 0	2744	# use -1 or undef as default coordinates, not 0, 0
2254	($x, $y) = ($map->enter_x, $map->enter_y)	2745	($x, $y) = ($map->enter_x, $map->enter_y)
2255	if $x <=0 && $y <= 0;	2746	if $x <= 0 && $y <= 0;
2256		2747
2257	$map->load;	2748	$map->load;
2258	$map->load_diag;	2749	$map->load_neighbours;
2259		2750
2260	return unless $self->contr->active;	2751	return unless $self->contr->active;
2261	$self->activate_recursive;
2262		2752
2263	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2753	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2264	$self->enter_map ($map, $x, $y);	2754	if ($self->enter_map ($map, $x, $y)) {
2265	}	2755	# entering was successful
		2756	delete $self->{_link_recursion};
		2757	# only activate afterwards, to support waiting in hooks
		2758	$self->activate_recursive;
		2759	}
2266		2760
		2761	}
		2762
2267	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2763	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2268		2764
2269	Moves the player to the given map-path and coordinates by first freezing	2765	Moves the player to the given map-path and coordinates by first freezing
2270	her, loading and preparing them map, calling the provided $check callback	2766	her, loading and preparing them map, calling the provided $check callback
2271	that has to return the map if sucecssful, and then unfreezes the player on	2767	that has to return the map if sucecssful, and then unfreezes the player on
2272	the new (success) or old (failed) map position. In either case, $done will	2768	the new (success) or old (failed) map position. In either case, $done will
2273	be called at the end of this process.	2769	be called at the end of this process.
2274		2770
		2771	Note that $check will be called with a potentially non-loaded map, so if
		2772	it needs a loaded map it has to call C<< ->load >>.
		2773
2275	=cut	2774	=cut
2276		2775
2277	our $GOTOGEN;	2776	our $GOTOGEN;
2278		2777
2279	sub cf::object::player::goto {	2778	sub cf::object::player::goto {
2280	my ($self, $path, $x, $y, $check, $done) = @_;	2779	my ($self, $path, $x, $y, $check, $done) = @_;
2281		2780
		2781	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2782	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2783	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2784	($path, $x, $y) = @$EMERGENCY_POSITION;
		2785	}
		2786
2282	# do generation counting so two concurrent goto's will be executed in-order	2787	# do generation counting so two concurrent goto's will be executed in-order
2283	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2788	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2284		2789
2285	$self->enter_link;	2790	$self->enter_link;
2286		2791
2287	(async {	2792	(async {
		2793	$Coro::current->{desc} = "player::goto $path $x $y";
		2794
		2795	# *tag paths override both path and x|y
		2796	if ($path =~ /^\*(.*)$/) {
		2797	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2798	my $ob = $obs[rand @obs];
		2799
		2800	# see if we actually can go there
		2801	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2802	$ob = $obs[rand @obs];
		2803	} else {
		2804	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2805	}
		2806	# else put us there anyways for now #d#
		2807
		2808	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2809	} else {
		2810	($path, $x, $y) = (undef, undef, undef);
		2811	}
		2812	}
		2813
2288	my $map = eval {	2814	my $map = eval {
2289	my $map = cf::map::find $path;	2815	my $map = defined $path ? cf::map::find $path : undef;
2290		2816
2291	if ($map) {	2817	if ($map) {
2292	$map = $map->customise_for ($self);	2818	$map = $map->customise_for ($self);
2293	$map = $check->($map) if $check && $map;	2819	$map = $check->($map, $x, $y, $self) if $check && $map;
2294	} else {	2820	} else {
2295	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2821	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2296	}	2822	}
2297		2823
2298	$map	2824	$map
2299	};	2825	};
2300		2826
…		…
2306	if ($gen == $self->{_goto_generation}) {	2832	if ($gen == $self->{_goto_generation}) {
2307	delete $self->{_goto_generation};	2833	delete $self->{_goto_generation};
2308	$self->leave_link ($map, $x, $y);	2834	$self->leave_link ($map, $x, $y);
2309	}	2835	}
2310		2836
2311	$done->() if $done;	2837	$done->($self) if $done;
2312	})->prio (1);	2838	})->prio (1);
2313	}	2839	}
2314		2840
2315	=item $player_object->enter_exit ($exit_object)	2841	=item $player_object->enter_exit ($exit_object)
2316		2842
…		…
2336	}	2862	}
2337		2863
2338	sub prepare_random_map {	2864	sub prepare_random_map {
2339	my ($exit) = @_;	2865	my ($exit) = @_;
2340		2866
2341	my $guard = cf::lock_acquire "exit_prepare:$exit";
2342
2343	# all this does is basically replace the /! path by	2867	# all this does is basically replace the /! path by
2344	# a new random map path (?random/...) with a seed	2868	# a new random map path (?random/...) with a seed
2345	# that depends on the exit object	2869	# that depends on the exit object
2346		2870
2347	my $rmp = parse_random_map_params $exit->msg;	2871	my $rmp = parse_random_map_params $exit->msg;
…		…
2349	if ($exit->map) {	2873	if ($exit->map) {
2350	$rmp->{region} = $exit->region->name;	2874	$rmp->{region} = $exit->region->name;
2351	$rmp->{origin_map} = $exit->map->path;	2875	$rmp->{origin_map} = $exit->map->path;
2352	$rmp->{origin_x} = $exit->x;	2876	$rmp->{origin_x} = $exit->x;
2353	$rmp->{origin_y} = $exit->y;	2877	$rmp->{origin_y} = $exit->y;
		2878
		2879	$exit->map->touch;
2354	}	2880	}
2355		2881
2356	$rmp->{random_seed} ||= $exit->random_seed;	2882	$rmp->{random_seed} ||= $exit->random_seed;
2357		2883
2358	my $data = cf::to_json $rmp;	2884	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2359	my $md5 = Digest::MD5::md5_hex $data;	2885	my $md5 = Digest::MD5::md5_hex $data;
2360	my $meta = "$RANDOMDIR/$md5.meta";	2886	my $meta = "$RANDOMDIR/$md5.meta";
2361		2887
2362	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2888	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2363	aio_write $fh, 0, (length $data), $data, 0;	2889	aio_write $fh, 0, (length $data), $data, 0;
2364	undef $fh;	2890	undef $fh;
2365	aio_rename "$meta~", $meta;	2891	aio_rename "$meta~", $meta;
2366		2892
		2893	my $slaying = "?random/$md5";
		2894
		2895	if ($exit->valid) {
2367	$exit->slaying ("?random/$md5");	2896	$exit->slaying ("?random/$md5");
2368	$exit->msg (undef);	2897	$exit->msg (undef);
		2898	}
2369	}	2899	}
2370	}	2900	}
2371		2901
2372	sub cf::object::player::enter_exit {	2902	sub cf::object::player::enter_exit {
2373	my ($self, $exit) = @_;	2903	my ($self, $exit) = @_;
2374		2904
2375	return unless $self->type == cf::PLAYER;	2905	return unless $self->type == cf::PLAYER;
2376		2906
2377	if ($exit->slaying eq "/!") {
2378	#TODO: this should de-fi-ni-te-ly not be a sync-job
2379	# the problem is that $exit might not survive long enough
2380	# so it needs to be done right now, right here
2381	cf::sync_job { prepare_random_map $exit };
2382	}
2383
2384	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2385	my $hp = $exit->stats->hp;
2386	my $sp = $exit->stats->sp;
2387
2388	$self->enter_link;	2907	$self->enter_link;
2389		2908
2390	# if exit is damned, update players death & WoR home-position
2391	$self->contr->savebed ($slaying, $hp, $sp)
2392	if $exit->flag (FLAG_DAMNED);
2393
2394	(async {	2909	(async {
2395	$self->deactivate_recursive; # just to be sure	2910	$Coro::current->{desc} = "enter_exit";
		2911
2396	unless (eval {	2912	unless (eval {
		2913	$self->deactivate_recursive; # just to be sure
		2914
		2915	# random map handling
		2916	{
		2917	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2918
		2919	prepare_random_map $exit
		2920	if $exit->slaying eq "/!";
		2921	}
		2922
		2923	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2924	my $x = $exit->stats->hp;
		2925	my $y = $exit->stats->sp;
		2926
2397	$self->goto ($slaying, $hp, $sp);	2927	$self->goto ($map, $x, $y);
2398		2928
		2929	# if exit is damned, update players death & WoR home-position
		2930	$self->contr->savebed ($map, $x, $y)
		2931	if $exit->flag (cf::FLAG_DAMNED);
		2932
2399	1;	2933	1
2400	}) {	2934	}) {
2401	$self->message ("Something went wrong deep within the crossfire server. "	2935	$self->message ("Something went wrong deep within the deliantra server. "
2402	. "I'll try to bring you back to the map you were before. "	2936	. "I'll try to bring you back to the map you were before. "
2403	. "Please report this to the dungeon master!",	2937	. "Please report this to the dungeon master!",
2404	cf::NDI_UNIQUE | cf::NDI_RED);	2938	cf::NDI_UNIQUE | cf::NDI_RED);
2405		2939
2406	warn "ERROR in enter_exit: $@";	2940	error "ERROR in enter_exit: $@";
2407	$self->leave_link;	2941	$self->leave_link;
2408	}	2942	}
2409	})->prio (1);	2943	})->prio (1);
2410	}	2944	}
2411		2945
…		…
2425		2959
2426	utf8::encode $text;	2960	utf8::encode $text;
2427	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2961	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2428	}	2962	}
2429		2963
		2964	=item $client->send_big_packet ($pkt)
		2965
		2966	Like C<send_packet>, but tries to compress large packets, and fragments
		2967	them as required.
		2968
		2969	=cut
		2970
		2971	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2972
		2973	sub cf::client::send_big_packet {
		2974	my ($self, $pkt) = @_;
		2975
		2976	# try lzf for large packets
		2977	$pkt = "lzf " . Compress::LZF::compress $pkt
		2978	if 1024 <= length $pkt and $self->{can_lzf};
		2979
		2980	# split very large packets
		2981	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2982	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2983	$pkt = "frag";
		2984	}
		2985
		2986	$self->send_packet ($pkt);
		2987	}
		2988
2430	=item $client->send_msg ($color, $type, $msg, [extra...])	2989	=item $client->send_msg ($channel, $msg, $color, [extra...])
2431		2990
2432	Send a drawinfo or msg packet to the client, formatting the msg for the	2991	Send a drawinfo or msg packet to the client, formatting the msg for the
2433	client if neccessary. C<$type> should be a string identifying the type of	2992	client if neccessary. C<$type> should be a string identifying the type of
2434	the message, with C<log> being the default. If C<$color> is negative, suppress	2993	the message, with C<log> being the default. If C<$color> is negative, suppress
2435	the message unless the client supports the msg packet.	2994	the message unless the client supports the msg packet.
2436		2995
2437	=cut	2996	=cut
2438		2997
		2998	# non-persistent channels (usually the info channel)
		2999	our %CHANNEL = (
		3000	"c/motd" => {
		3001	id => "infobox",
		3002	title => "MOTD",
		3003	reply => undef,
		3004	tooltip => "The message of the day",
		3005	},
		3006	"c/identify" => {
		3007	id => "infobox",
		3008	title => "Identify",
		3009	reply => undef,
		3010	tooltip => "Items recently identified",
		3011	},
		3012	"c/examine" => {
		3013	id => "infobox",
		3014	title => "Examine",
		3015	reply => undef,
		3016	tooltip => "Signs and other items you examined",
		3017	},
		3018	"c/shopinfo" => {
		3019	id => "infobox",
		3020	title => "Shop Info",
		3021	reply => undef,
		3022	tooltip => "What your bargaining skill tells you about the shop",
		3023	},
		3024	"c/book" => {
		3025	id => "infobox",
		3026	title => "Book",
		3027	reply => undef,
		3028	tooltip => "The contents of a note or book",
		3029	},
		3030	"c/lookat" => {
		3031	id => "infobox",
		3032	title => "Look",
		3033	reply => undef,
		3034	tooltip => "What you saw there",
		3035	},
		3036	"c/who" => {
		3037	id => "infobox",
		3038	title => "Players",
		3039	reply => undef,
		3040	tooltip => "Shows players who are currently online",
		3041	},
		3042	"c/body" => {
		3043	id => "infobox",
		3044	title => "Body Parts",
		3045	reply => undef,
		3046	tooltip => "Shows which body parts you posess and are available",
		3047	},
		3048	"c/statistics" => {
		3049	id => "infobox",
		3050	title => "Statistics",
		3051	reply => undef,
		3052	tooltip => "Shows your primary statistics",
		3053	},
		3054	"c/skills" => {
		3055	id => "infobox",
		3056	title => "Skills",
		3057	reply => undef,
		3058	tooltip => "Shows your experience per skill and item power",
		3059	},
		3060	"c/shopitems" => {
		3061	id => "infobox",
		3062	title => "Shop Items",
		3063	reply => undef,
		3064	tooltip => "Shows the items currently for sale in this shop",
		3065	},
		3066	"c/resistances" => {
		3067	id => "infobox",
		3068	title => "Resistances",
		3069	reply => undef,
		3070	tooltip => "Shows your resistances",
		3071	},
		3072	"c/pets" => {
		3073	id => "infobox",
		3074	title => "Pets",
		3075	reply => undef,
		3076	tooltip => "Shows information abotu your pets/a specific pet",
		3077	},
		3078	"c/perceiveself" => {
		3079	id => "infobox",
		3080	title => "Perceive Self",
		3081	reply => undef,
		3082	tooltip => "You gained detailed knowledge about yourself",
		3083	},
		3084	"c/uptime" => {
		3085	id => "infobox",
		3086	title => "Uptime",
		3087	reply => undef,
		3088	tooltip => "How long the server has been running since last restart",
		3089	},
		3090	"c/mapinfo" => {
		3091	id => "infobox",
		3092	title => "Map Info",
		3093	reply => undef,
		3094	tooltip => "Information related to the maps",
		3095	},
		3096	"c/party" => {
		3097	id => "party",
		3098	title => "Party",
		3099	reply => "gsay ",
		3100	tooltip => "Messages and chat related to your party",
		3101	},
		3102	"c/death" => {
		3103	id => "death",
		3104	title => "Death",
		3105	reply => undef,
		3106	tooltip => "Reason for and more info about your most recent death",
		3107	},
		3108	"c/say" => $SAY_CHANNEL,
		3109	"c/chat" => $CHAT_CHANNEL,
		3110	);
		3111
2439	sub cf::client::send_msg {	3112	sub cf::client::send_msg {
2440	my ($self, $color, $type, $msg, @extra) = @_;	3113	my ($self, $channel, $msg, $color, @extra) = @_;
2441		3114
2442	$msg = $self->pl->expand_cfpod ($msg);	3115	$msg = $self->pl->expand_cfpod ($msg)
		3116	unless $color & cf::NDI_VERBATIM;
		3117
		3118	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3119
		3120	# check predefined channels, for the benefit of C
		3121	if ($CHANNEL{$channel}) {
		3122	$channel = $CHANNEL{$channel};
		3123
		3124	$self->ext_msg (channel_info => $channel);
		3125	$channel = $channel->{id};
		3126
		3127	} elsif (ref $channel) {
		3128	# send meta info to client, if not yet sent
		3129	unless (exists $self->{channel}{$channel->{id}}) {
		3130	$self->{channel}{$channel->{id}} = $channel;
		3131	$self->ext_msg (channel_info => $channel);
		3132	}
		3133
		3134	$channel = $channel->{id};
		3135	}
2443		3136
2444	return unless @extra || length $msg;	3137	return unless @extra || length $msg;
2445		3138
2446	if ($self->can_msg) {	3139	# default colour, mask it out
2447	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3140	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2448	} else {	3141	if $color & cf::NDI_DEF;
2449	# replace some tags by gcfclient-compatible ones
2450	for ($msg) {
2451	1 while
2452	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2453	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2454	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2455	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2456	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2457	}
2458		3142
2459	if ($color >= 0) {	3143	my $pkt = "msg "
2460	if (0 && $msg =~ /\[/) {	3144	. $self->{json_coder}->encode (
2461	$self->send_packet ("drawextinfo $color 4 0 $msg")	3145	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2462	} else {	3146	);
2463	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2464	$self->send_packet ("drawinfo $color $msg")
2465	}
2466	}
2467	}
2468	}
2469		3147
		3148	$self->send_big_packet ($pkt);
		3149	}
		3150
2470	=item $client->ext_event ($type, %msg)	3151	=item $client->ext_msg ($type, @msg)
2471		3152
2472	Sends an ext event to the client.	3153	Sends an ext event to the client.
2473		3154
2474	=cut	3155	=cut
2475		3156
2476	sub cf::client::ext_event($$%) {	3157	sub cf::client::ext_msg($$@) {
2477	my ($self, $type, %msg) = @_;	3158	my ($self, $type, @msg) = @_;
2478		3159
2479	return unless $self->extcmd;	3160	if ($self->extcmd == 2) {
2480		3161	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3162	} elsif ($self->extcmd == 1) { # TODO: remove
2481	$msg{msgtype} = "event_$type";	3163	push @msg, msgtype => "event_$type";
2482	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3164	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3165	}
		3166	}
		3167
		3168	=item $client->ext_reply ($msgid, @msg)
		3169
		3170	Sends an ext reply to the client.
		3171
		3172	=cut
		3173
		3174	sub cf::client::ext_reply($$@) {
		3175	my ($self, $id, @msg) = @_;
		3176
		3177	if ($self->extcmd == 2) {
		3178	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3179	} elsif ($self->extcmd == 1) {
		3180	#TODO: version 1, remove
		3181	unshift @msg, msgtype => "reply", msgid => $id;
		3182	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3183	}
2483	}	3184	}
2484		3185
2485	=item $success = $client->query ($flags, "text", \&cb)	3186	=item $success = $client->query ($flags, "text", \&cb)
2486		3187
2487	Queues a query to the client, calling the given callback with	3188	Queues a query to the client, calling the given callback with
…		…
2542	my ($ns, $buf) = @_;	3243	my ($ns, $buf) = @_;
2543		3244
2544	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3245	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2545		3246
2546	if (ref $msg) {	3247	if (ref $msg) {
		3248	my ($type, $reply, @payload) =
		3249	"ARRAY" eq ref $msg
		3250	? @$msg
		3251	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3252
		3253	my @reply;
		3254
2547	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3255	if (my $cb = $EXTICMD{$type}) {
2548	if (my %reply = $cb->($ns, $msg)) {	3256	@reply = $cb->($ns, @payload);
2549	$reply{msgid} = $msg->{msgid};
2550	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2551	}
2552	}	3257	}
		3258
		3259	$ns->ext_reply ($reply, @reply)
		3260	if $reply;
		3261
2553	} else {	3262	} else {
2554	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3263	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2555	}	3264	}
2556		3265
2557	cf::override;	3266	cf::override;
2558	},	3267	},
2559	);	3268	);
…		…
2579		3288
2580	$coro	3289	$coro
2581	}	3290	}
2582		3291
2583	cf::client->attach (	3292	cf::client->attach (
2584	on_destroy => sub {	3293	on_client_destroy => sub {
2585	my ($ns) = @_;	3294	my ($ns) = @_;
2586		3295
2587	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3296	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2588	},	3297	},
2589	);	3298	);
…		…
2604	our $safe = new Safe "safe";	3313	our $safe = new Safe "safe";
2605	our $safe_hole = new Safe::Hole;	3314	our $safe_hole = new Safe::Hole;
2606		3315
2607	$SIG{FPE} = 'IGNORE';	3316	$SIG{FPE} = 'IGNORE';
2608		3317
2609	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3318	$safe->permit_only (Opcode::opset qw(
		3319	:base_core :base_mem :base_orig :base_math :base_loop
		3320	grepstart grepwhile mapstart mapwhile
		3321	sort time
		3322	));
2610		3323
2611	# here we export the classes and methods available to script code	3324	# here we export the classes and methods available to script code
2612		3325
2613	=pod	3326	=pod
2614		3327
2615	The following functions and methods are available within a safe environment:	3328	The following functions and methods are available within a safe environment:
2616		3329
2617	cf::object	3330	cf::object
2618	contr pay_amount pay_player map x y force_find force_add	3331	contr pay_amount pay_player map x y force_find force_add destroy
2619	insert remove	3332	insert remove name archname title slaying race decrease split
		3333	value
2620		3334
2621	cf::object::player	3335	cf::object::player
2622	player	3336	player
2623		3337
2624	cf::player	3338	cf::player
…		…
2629		3343
2630	=cut	3344	=cut
2631		3345
2632	for (	3346	for (
2633	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3347	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2634	insert remove)],	3348	insert remove inv nrof name archname title slaying race
		3349	decrease split destroy change_exp value msg lore send_msg)],
2635	["cf::object::player" => qw(player)],	3350	["cf::object::player" => qw(player)],
2636	["cf::player" => qw(peaceful)],	3351	["cf::player" => qw(peaceful send_msg)],
2637	["cf::map" => qw(trigger)],	3352	["cf::map" => qw(trigger)],
2638	) {	3353	) {
2639	no strict 'refs';
2640	my ($pkg, @funs) = @$_;	3354	my ($pkg, @funs) = @$_;
2641	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3355	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2642	for @funs;	3356	for @funs;
2643	}	3357	}
2644		3358
…		…
2659		3373
2660	my $qcode = $code;	3374	my $qcode = $code;
2661	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3375	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2662	$qcode =~ s/\n/\\n/g;	3376	$qcode =~ s/\n/\\n/g;
2663		3377
		3378	%vars = (_dummy => 0) unless %vars;
		3379
		3380	my @res;
2664	local $_;	3381	local $_;
2665	local @safe::cf::_safe_eval_args = values %vars;
2666		3382
2667	my $eval =	3383	my $eval =
2668	"do {\n"	3384	"do {\n"
2669	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3385	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2670	. "#line 0 \"{$qcode}\"\n"	3386	. "#line 0 \"{$qcode}\"\n"
2671	. $code	3387	. $code
2672	. "\n}"	3388	. "\n}"
2673	;	3389	;
2674		3390
		3391	if ($CFG{safe_eval}) {
2675	sub_generation_inc;	3392	sub_generation_inc;
		3393	local @safe::cf::_safe_eval_args = values %vars;
2676	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3394	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2677	sub_generation_inc;	3395	sub_generation_inc;
		3396	} else {
		3397	local @cf::_safe_eval_args = values %vars;
		3398	@res = wantarray ? eval eval : scalar eval $eval;
		3399	}
2678		3400
2679	if ($@) {	3401	if ($@) {
2680	warn "$@";	3402	warn "$@",
2681	warn "while executing safe code '$code'\n";	3403	"while executing safe code '$code'\n",
2682	warn "with arguments " . (join " ", %vars) . "\n";	3404	"with arguments " . (join " ", %vars) . "\n";
2683	}	3405	}
2684		3406
2685	wantarray ? @res : $res[0]	3407	wantarray ? @res : $res[0]
2686	}	3408	}
2687		3409
…		…
2701	=cut	3423	=cut
2702		3424
2703	sub register_script_function {	3425	sub register_script_function {
2704	my ($fun, $cb) = @_;	3426	my ($fun, $cb) = @_;
2705		3427
2706	no strict 'refs';	3428	$fun = "safe::$fun" if $CFG{safe_eval};
2707	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3429	*$fun = $safe_hole->wrap ($cb);
2708	}	3430	}
2709		3431
2710	=back	3432	=back
2711		3433
2712	=cut	3434	=cut
…		…
2715	# the server's init and main functions	3437	# the server's init and main functions
2716		3438
2717	sub load_facedata($) {	3439	sub load_facedata($) {
2718	my ($path) = @_;	3440	my ($path) = @_;
2719		3441
		3442	# HACK to clear player env face cache, we need some signal framework
		3443	# for this (global event?)
		3444	%ext::player_env::MUSIC_FACE_CACHE = ();
		3445
		3446	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3447
2720	warn "loading facedata from $path\n";	3448	trace "loading facedata from $path\n";
2721		3449
2722	my $facedata;	3450	my $facedata = decode_storable load_file $path;
2723	0 < aio_load $path, $facedata
2724	or die "$path: $!";
2725
2726	$facedata = Coro::Storable::thaw $facedata;
2727		3451
2728	$facedata->{version} == 2	3452	$facedata->{version} == 2
2729	or cf::cleanup "$path: version mismatch, cannot proceed.";	3453	or cf::cleanup "$path: version mismatch, cannot proceed.";
2730		3454
		3455	# patch in the exptable
		3456	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3457	$facedata->{resource}{"res/exp_table"} = {
		3458	type => FT_RSRC,
		3459	data => $exp_table,
		3460	hash => (Digest::MD5::md5 $exp_table),
		3461	};
		3462	cf::cede_to_tick;
		3463
2731	{	3464	{
2732	my $faces = $facedata->{faceinfo};	3465	my $faces = $facedata->{faceinfo};
2733		3466
2734	while (my ($face, $info) = each %$faces) {	3467	while (my ($face, $info) = each %$faces) {
2735	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3468	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3469
2736	cf::face::set_visibility $idx, $info->{visibility};	3470	cf::face::set_visibility $idx, $info->{visibility};
2737	cf::face::set_magicmap $idx, $info->{magicmap};	3471	cf::face::set_magicmap $idx, $info->{magicmap};
2738	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3472	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2739	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3473	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3474	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2740		3475
2741	cf::cede_to_tick;	3476	cf::cede_to_tick;
2742	}	3477	}
2743		3478
2744	while (my ($face, $info) = each %$faces) {	3479	while (my ($face, $info) = each %$faces) {
2745	next unless $info->{smooth};	3480	next unless $info->{smooth};
		3481
2746	my $idx = cf::face::find $face	3482	my $idx = cf::face::find $face
2747	or next;	3483	or next;
		3484
2748	if (my $smooth = cf::face::find $info->{smooth}) {	3485	if (my $smooth = cf::face::find $info->{smooth}) {
2749	cf::face::set_smooth $idx, $smooth;	3486	cf::face::set_smooth $idx, $smooth;
2750	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3487	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2751	} else {	3488	} else {
2752	warn "smooth face '$info->{smooth}' not found for face '$face'";	3489	error "smooth face '$info->{smooth}' not found for face '$face'";
2753	}	3490	}
2754		3491
2755	cf::cede_to_tick;	3492	cf::cede_to_tick;
2756	}	3493	}
2757	}	3494	}
…		…
2766		3503
2767	cf::anim::invalidate_all; # d'oh	3504	cf::anim::invalidate_all; # d'oh
2768	}	3505	}
2769		3506
2770	{	3507	{
2771	# TODO: for gcfclient pleasure, we should give resources
2772	# that gcfclient doesn't grok a >10000 face index.
2773	my $res = $facedata->{resource};	3508	my $res = $facedata->{resource};
2774	my $enc = JSON::XS->new->utf8->canonical;
2775		3509
2776	while (my ($name, $info) = each %$res) {	3510	while (my ($name, $info) = each %$res) {
2777	my $meta = $enc->encode ({	3511	if (defined $info->{type}) {
2778	name => $name,
2779	type => $info->{type},
2780	copyright => $info->{copyright}, #TODO#
2781	});
2782
2783	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3512	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2784		3513
2785	if ($name =~ /\.jpg$/) {
2786	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3514	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2787	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3515	cf::face::set_type $idx, $info->{type};
2788	} else {	3516	} else {
2789	my $data = pack "(w/a*)*", $meta, $info->{data};	3517	$RESOURCE{$name} = $info; # unused
2790	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2791
2792	cf::face::set_type $idx, 1;
2793	cf::face::set_data $idx, 0, $data, $chk;
2794	}	3518	}
2795		3519
2796	cf::cede_to_tick;	3520	cf::cede_to_tick;
2797	}	3521	}
2798	}	3522	}
2799		3523
		3524	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3525
2800	1	3526	1
2801	}	3527	}
2802		3528
		3529	register_exticmd fx_want => sub {
		3530	my ($ns, $want) = @_;
		3531
		3532	while (my ($k, $v) = each %$want) {
		3533	$ns->fx_want ($k, $v);
		3534	}
		3535	};
		3536
		3537	sub load_resource_file($) {
		3538	my $guard = lock_acquire "load_resource_file";
		3539
		3540	my $status = load_resource_file_ $_[0];
		3541	get_slot 0.1, 100;
		3542	cf::arch::commit_load;
		3543
		3544	$status
		3545	}
		3546
2803	sub reload_regions {	3547	sub reload_regions {
		3548	# HACK to clear player env face cache, we need some signal framework
		3549	# for this (global event?)
		3550	%ext::player_env::MUSIC_FACE_CACHE = ();
		3551
2804	load_resource_file "$MAPDIR/regions"	3552	load_resource_file "$MAPDIR/regions"
2805	or die "unable to load regions file\n";	3553	or die "unable to load regions file\n";
2806		3554
2807	for (cf::region::list) {	3555	for (cf::region::list) {
2808	$_->{match} = qr/$_->{match}/	3556	$_->{match} = qr/$_->{match}/
…		…
2816	}	3564	}
2817		3565
2818	sub reload_archetypes {	3566	sub reload_archetypes {
2819	load_resource_file "$DATADIR/archetypes"	3567	load_resource_file "$DATADIR/archetypes"
2820	or die "unable to load archetypes\n";	3568	or die "unable to load archetypes\n";
2821	#d# NEED to laod twice to resolve forward references
2822	# this really needs to be done in an extra post-pass
2823	# (which needs to be synchronous, so solve it differently)
2824	load_resource_file "$DATADIR/archetypes"
2825	or die "unable to load archetypes\n";
2826	}	3569	}
2827		3570
2828	sub reload_treasures {	3571	sub reload_treasures {
2829	load_resource_file "$DATADIR/treasures"	3572	load_resource_file "$DATADIR/treasures"
2830	or die "unable to load treasurelists\n";	3573	or die "unable to load treasurelists\n";
2831	}	3574	}
2832		3575
		3576	sub reload_sound {
		3577	trace "loading sound config from $DATADIR/sound\n";
		3578
		3579	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3580
		3581	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3582	my $sound = $soundconf->{compat}[$_]
		3583	or next;
		3584
		3585	my $face = cf::face::find "sound/$sound->[1]";
		3586	cf::sound::set $sound->[0] => $face;
		3587	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3588	}
		3589
		3590	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3591	my $face = cf::face::find "sound/$v";
		3592	cf::sound::set $k => $face;
		3593	}
		3594	}
		3595
2833	sub reload_resources {	3596	sub reload_resources {
2834	warn "reloading resource files...\n";	3597	trace "reloading resource files...\n";
2835		3598
		3599	reload_exp_table;
		3600	reload_materials;
		3601	reload_facedata;
		3602	reload_sound;
		3603	reload_archetypes;
2836	reload_regions;	3604	reload_regions;
2837	reload_facedata;
2838	#reload_archetypes;#d#
2839	reload_archetypes;
2840	reload_treasures;	3605	reload_treasures;
2841		3606
2842	warn "finished reloading resource files\n";	3607	trace "finished reloading resource files\n";
2843	}	3608	}
2844		3609
2845	sub init {	3610	sub reload_config {
2846	reload_resources;	3611	trace "reloading config file...\n";
2847	}
2848		3612
2849	sub cfg_load {	3613	my $config = load_file "$CONFDIR/config";
2850	open my $fh, "<:utf8", "$CONFDIR/config"	3614	utf8::decode $config;
2851	or return;	3615	*CFG = decode_yaml $config;
2852		3616
2853	local $/;
2854	*CFG = YAML::Syck::Load <$fh>;
2855
2856	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3617	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2857		3618
2858	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3619	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2859	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3620	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2860		3621
2861	if (exists $CFG{mlockall}) {	3622	if (exists $CFG{mlockall}) {
…		…
2865	};	3626	};
2866	warn $@ if $@;	3627	warn $@ if $@;
2867	}	3628	}
2868	}	3629	}
2869		3630
		3631	sub pidfile() {
		3632	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3633	or die "$PIDFILE: $!";
		3634	flock $fh, &Fcntl::LOCK_EX
		3635	or die "$PIDFILE: flock: $!";
		3636	$fh
		3637	}
		3638
		3639	# make sure only one server instance is running at any one time
		3640	sub atomic {
		3641	my $fh = pidfile;
		3642
		3643	my $pid = <$fh>;
		3644	kill 9, $pid if $pid > 0;
		3645
		3646	seek $fh, 0, 0;
		3647	print $fh $$;
		3648	}
		3649
		3650	sub main_loop {
		3651	trace "EV::loop starting\n";
		3652	if (1) {
		3653	EV::loop;
		3654	}
		3655	trace "EV::loop returned\n";
		3656	goto &main_loop unless $REALLY_UNLOOP;
		3657	}
		3658
2870	sub main {	3659	sub main {
		3660	cf::init_globals; # initialise logging
		3661
		3662	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3663	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3664	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3665	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3666
		3667	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3668
2871	# we must not ever block the main coroutine	3669	# we must not ever block the main coroutine
2872	local $Coro::idle = sub {	3670	local $Coro::idle = sub {
2873	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3671	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2874	(async {	3672	(async {
2875	Event::one_event;	3673	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3674	EV::loop EV::LOOP_ONESHOT;
2876	})->prio (Coro::PRIO_MAX);	3675	})->prio (Coro::PRIO_MAX);
2877	};	3676	};
2878		3677
2879	cfg_load;	3678	evthread_start IO::AIO::poll_fileno;
		3679
		3680	cf::sync_job {
		3681	cf::incloader::init ();
		3682
		3683	cf::init_anim;
		3684	cf::init_attackmess;
		3685	cf::init_dynamic;
		3686
		3687	cf::load_settings;
		3688
		3689	reload_resources;
		3690	reload_config;
2880	db_init;	3691	db_init;
		3692
		3693	cf::init_uuid;
		3694	cf::init_signals;
		3695	cf::init_skills;
		3696
		3697	cf::init_beforeplay;
		3698
		3699	atomic;
		3700
2881	load_extensions;	3701	load_extensions;
2882		3702
2883	$TICK_WATCHER->start;	3703	utime time, time, $RUNTIMEFILE;
2884	Event::loop;	3704
		3705	# no (long-running) fork's whatsoever before this point(!)
		3706	use POSIX ();
		3707	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3708
		3709	cf::_post_init 0;
		3710	};
		3711
		3712	cf::object::thawer::errors_are_fatal 0;
		3713	info "parse errors in files are no longer fatal from this point on.\n";
		3714
		3715	my $free_main; $free_main = EV::idle sub {
		3716	undef $free_main;
		3717	undef &main; # free gobs of memory :)
		3718	};
		3719
		3720	goto &main_loop;
2885	}	3721	}
2886		3722
2887	#############################################################################	3723	#############################################################################
2888	# initialisation and cleanup	3724	# initialisation and cleanup
2889		3725
2890	# install some emergency cleanup handlers	3726	# install some emergency cleanup handlers
2891	BEGIN {	3727	BEGIN {
		3728	our %SIGWATCHER = ();
2892	for my $signal (qw(INT HUP TERM)) {	3729	for my $signal (qw(INT HUP TERM)) {
2893	Event->signal (	3730	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2894	reentrant => 0,
2895	data => WF_AUTOCANCEL,
2896	signal => $signal,
2897	prio => 0,
2898	cb => sub {
2899	cf::cleanup "SIG$signal";	3731	cf::cleanup "SIG$signal";
2900	},
2901	);	3732	};
2902	}	3733	}
2903	}	3734	}
2904		3735
2905	sub write_runtime {	3736	sub write_runtime_sync {
2906	my $runtime = "$LOCALDIR/runtime";	3737	my $t0 = AE::time;
2907		3738
2908	# first touch the runtime file to show we are still running:	3739	# first touch the runtime file to show we are still running:
2909	# the fsync below can take a very very long time.	3740	# the fsync below can take a very very long time.
2910		3741
2911	IO::AIO::aio_utime $runtime, undef, undef;	3742	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2912		3743
2913	my $guard = cf::lock_acquire "write_runtime";	3744	my $guard = cf::lock_acquire "write_runtime";
2914		3745
2915	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3746	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2916	or return;	3747	or return;
2917		3748
2918	my $value = $cf::RUNTIME + 90 + 10;	3749	my $value = $cf::RUNTIME + 90 + 10;
2919	# 10 is the runtime save interval, for a monotonic clock	3750	# 10 is the runtime save interval, for a monotonic clock
2920	# 60 allows for the watchdog to kill the server.	3751	# 60 allows for the watchdog to kill the server.
…		…
2930	aio_utime $fh, undef, undef;	3761	aio_utime $fh, undef, undef;
2931		3762
2932	close $fh	3763	close $fh
2933	or return;	3764	or return;
2934		3765
2935	aio_rename "$runtime~", $runtime	3766	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2936	and return;	3767	and return;
2937		3768
2938	warn "runtime file written.\n";	3769	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2939		3770
2940	1	3771	1
		3772	}
		3773
		3774	our $uuid_lock;
		3775	our $uuid_skip;
		3776
		3777	sub write_uuid_sync($) {
		3778	$uuid_skip ||= $_[0];
		3779
		3780	return if $uuid_lock;
		3781	local $uuid_lock = 1;
		3782
		3783	my $uuid = "$LOCALDIR/uuid";
		3784
		3785	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3786	or return;
		3787
		3788	my $value = uuid_seq uuid_cur;
		3789
		3790	unless ($value) {
		3791	info "cowardly refusing to write zero uuid value!\n";
		3792	return;
		3793	}
		3794
		3795	my $value = uuid_str $value + $uuid_skip;
		3796	$uuid_skip = 0;
		3797
		3798	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3799	and return;
		3800
		3801	# always fsync - this file is important
		3802	aio_fsync $fh
		3803	and return;
		3804
		3805	close $fh
		3806	or return;
		3807
		3808	aio_rename "$uuid~", $uuid
		3809	and return;
		3810
		3811	trace "uuid file written ($value).\n";
		3812
		3813	1
		3814
		3815	}
		3816
		3817	sub write_uuid($$) {
		3818	my ($skip, $sync) = @_;
		3819
		3820	$sync ? write_uuid_sync $skip
		3821	: async { write_uuid_sync $skip };
2941	}	3822	}
2942		3823
2943	sub emergency_save() {	3824	sub emergency_save() {
2944	my $freeze_guard = cf::freeze_mainloop;	3825	my $freeze_guard = cf::freeze_mainloop;
2945		3826
2946	warn "enter emergency perl save\n";	3827	info "emergency_perl_save: enter\n";
		3828
		3829	# this is a trade-off: we want to be very quick here, so
		3830	# save all maps without fsync, and later call a global sync
		3831	# (which in turn might be very very slow)
		3832	local $USE_FSYNC = 0;
2947		3833
2948	cf::sync_job {	3834	cf::sync_job {
		3835	cf::write_runtime_sync; # external watchdog should not bark
		3836
2949	# use a peculiar iteration method to avoid tripping on perl	3837	# use a peculiar iteration method to avoid tripping on perl
2950	# refcount bugs in for. also avoids problems with players	3838	# refcount bugs in for. also avoids problems with players
2951	# and maps saved/destroyed asynchronously.	3839	# and maps saved/destroyed asynchronously.
2952	warn "begin emergency player save\n";	3840	info "emergency_perl_save: begin player save\n";
2953	for my $login (keys %cf::PLAYER) {	3841	for my $login (keys %cf::PLAYER) {
2954	my $pl = $cf::PLAYER{$login} or next;	3842	my $pl = $cf::PLAYER{$login} or next;
2955	$pl->valid or next;	3843	$pl->valid or next;
		3844	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2956	$pl->save;	3845	$pl->save;
2957	}	3846	}
2958	warn "end emergency player save\n";	3847	info "emergency_perl_save: end player save\n";
2959		3848
2960	warn "begin emergency map save\n";	3849	cf::write_runtime_sync; # external watchdog should not bark
		3850
		3851	info "emergency_perl_save: begin map save\n";
2961	for my $path (keys %cf::MAP) {	3852	for my $path (keys %cf::MAP) {
2962	my $map = $cf::MAP{$path} or next;	3853	my $map = $cf::MAP{$path} or next;
2963	$map->valid or next;	3854	$map->valid or next;
2964	$map->save;	3855	$map->save;
2965	}	3856	}
2966	warn "end emergency map save\n";	3857	info "emergency_perl_save: end map save\n";
2967		3858
2968	warn "begin emergency database checkpoint\n";	3859	cf::write_runtime_sync; # external watchdog should not bark
		3860
		3861	info "emergency_perl_save: begin database checkpoint\n";
2969	BDB::db_env_txn_checkpoint $DB_ENV;	3862	BDB::db_env_txn_checkpoint $DB_ENV;
2970	warn "end emergency database checkpoint\n";	3863	info "emergency_perl_save: end database checkpoint\n";
		3864
		3865	info "emergency_perl_save: begin write uuid\n";
		3866	write_uuid_sync 1;
		3867	info "emergency_perl_save: end write uuid\n";
		3868
		3869	cf::write_runtime_sync; # external watchdog should not bark
		3870
		3871	trace "emergency_perl_save: syncing database to disk";
		3872	BDB::db_env_txn_checkpoint $DB_ENV;
		3873
		3874	info "emergency_perl_save: starting sync\n";
		3875	IO::AIO::aio_sync sub {
		3876	info "emergency_perl_save: finished sync\n";
		3877	};
		3878
		3879	cf::write_runtime_sync; # external watchdog should not bark
		3880
		3881	trace "emergency_perl_save: flushing outstanding aio requests";
		3882	while (IO::AIO::nreqs || BDB::nreqs) {
		3883	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3884	}
		3885
		3886	cf::write_runtime_sync; # external watchdog should not bark
2971	};	3887	};
2972		3888
2973	warn "leave emergency perl save\n";	3889	info "emergency_perl_save: leave\n";
2974	}	3890	}
2975		3891
2976	sub post_cleanup {	3892	sub post_cleanup {
2977	my ($make_core) = @_;	3893	my ($make_core) = @_;
2978		3894
		3895	IO::AIO::flush;
		3896
2979	warn Carp::longmess "post_cleanup backtrace"	3897	error Carp::longmess "post_cleanup backtrace"
2980	if $make_core;	3898	if $make_core;
		3899
		3900	my $fh = pidfile;
		3901	unlink $PIDFILE if <$fh> == $$;
		3902	}
		3903
		3904	# a safer delete_package, copied from Symbol
		3905	sub clear_package($) {
		3906	my $pkg = shift;
		3907
		3908	# expand to full symbol table name if needed
		3909	unless ($pkg =~ /^main::.*::$/) {
		3910	$pkg = "main$pkg" if $pkg =~ /^::/;
		3911	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3912	$pkg .= '::' unless $pkg =~ /::$/;
		3913	}
		3914
		3915	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3916	my $stem_symtab = *{$stem}{HASH};
		3917
		3918	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3919	or return;
		3920
		3921	# clear all symbols
		3922	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3923	for my $name (keys %$leaf_symtab) {
		3924	_gv_clear *{"$pkg$name"};
		3925	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3926	}
2981	}	3927	}
2982		3928
2983	sub do_reload_perl() {	3929	sub do_reload_perl() {
2984	# can/must only be called in main	3930	# can/must only be called in main
2985	if ($Coro::current != $Coro::main) {	3931	unless (in_main) {
2986	warn "can only reload from main coroutine";	3932	error "can only reload from main coroutine";
2987	return;	3933	return;
2988	}	3934	}
2989		3935
2990	warn "reloading...";	3936	return if $RELOAD++;
2991		3937
2992	warn "entering sync_job";	3938	my $t1 = AE::time;
2993		3939
		3940	while ($RELOAD) {
		3941	cf::get_slot 0.1, -1, "reload_perl";
		3942	info "perl_reload: reloading...";
		3943
		3944	trace "perl_reload: entering sync_job";
		3945
2994	cf::sync_job {	3946	cf::sync_job {
2995	cf::write_runtime; # external watchdog should not bark
2996	cf::emergency_save;	3947	#cf::emergency_save;
2997	cf::write_runtime; # external watchdog should not bark
2998		3948
2999	warn "syncing database to disk";
3000	BDB::db_env_txn_checkpoint $DB_ENV;
3001
3002	# if anything goes wrong in here, we should simply crash as we already saved
3003
3004	warn "cancelling all WF_AUTOCANCEL watchers";
3005	for (Event::all_watchers) {
3006	$_->cancel if $_->data & WF_AUTOCANCEL;
3007	}
3008
3009	warn "flushing outstanding aio requests";
3010	for (;;) {
3011	BDB::flush;
3012	IO::AIO::flush;
3013	Coro::cede;
3014	last unless IO::AIO::nreqs || BDB::nreqs;
3015	warn "iterate...";
3016	}
3017
3018	++$RELOAD;
3019
3020	warn "cancelling all extension coros";	3949	trace "perl_reload: cancelling all extension coros";
3021	$_->cancel for values %EXT_CORO;	3950	$_->cancel for values %EXT_CORO;
3022	%EXT_CORO = ();	3951	%EXT_CORO = ();
3023		3952
3024	warn "removing commands";	3953	trace "perl_reload: removing commands";
3025	%COMMAND = ();	3954	%COMMAND = ();
3026		3955
3027	warn "removing ext/exti commands";	3956	trace "perl_reload: removing ext/exti commands";
3028	%EXTCMD = ();	3957	%EXTCMD = ();
3029	%EXTICMD = ();	3958	%EXTICMD = ();
3030		3959
3031	warn "unloading/nuking all extensions";	3960	trace "perl_reload: unloading/nuking all extensions";
3032	for my $pkg (@EXTS) {	3961	for my $pkg (@EXTS) {
3033	warn "... unloading $pkg";	3962	trace "... unloading $pkg";
3034		3963
3035	if (my $cb = $pkg->can ("unload")) {	3964	if (my $cb = $pkg->can ("unload")) {
3036	eval {	3965	eval {
3037	$cb->($pkg);	3966	$cb->($pkg);
3038	1	3967	1
3039	} or warn "$pkg unloaded, but with errors: $@";	3968	} or error "$pkg unloaded, but with errors: $@";
		3969	}
		3970
		3971	trace "... clearing $pkg";
		3972	clear_package $pkg;
3040	}	3973	}
3041		3974
3042	warn "... nuking $pkg";
3043	Symbol::delete_package $pkg;
3044	}
3045
3046	warn "unloading all perl modules loaded from $LIBDIR";	3975	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3047	while (my ($k, $v) = each %INC) {	3976	while (my ($k, $v) = each %INC) {
3048	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3977	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3049		3978
3050	warn "... unloading $k";	3979	trace "... unloading $k";
3051	delete $INC{$k};	3980	delete $INC{$k};
3052		3981
3053	$k =~ s/\.pm$//;	3982	$k =~ s/\.pm$//;
3054	$k =~ s/\//::/g;	3983	$k =~ s/\//::/g;
3055		3984
3056	if (my $cb = $k->can ("unload_module")) {	3985	if (my $cb = $k->can ("unload_module")) {
3057	$cb->();	3986	$cb->();
		3987	}
		3988
		3989	clear_package $k;
3058	}	3990	}
3059		3991
3060	Symbol::delete_package $k;
3061	}
3062
3063	warn "getting rid of safe::, as good as possible";	3992	trace "perl_reload: getting rid of safe::, as good as possible";
3064	Symbol::delete_package "safe::$_"	3993	clear_package "safe::$_"
3065	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3994	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3066		3995
3067	warn "unloading cf.pm \"a bit\"";	3996	trace "perl_reload: unloading cf.pm \"a bit\"";
3068	delete $INC{"cf.pm"};	3997	delete $INC{"cf.pm"};
3069	delete $INC{"cf/pod.pm"};	3998	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3070		3999
3071	# don't, removes xs symbols, too,	4000	# don't, removes xs symbols, too,
3072	# and global variables created in xs	4001	# and global variables created in xs
3073	#Symbol::delete_package __PACKAGE__;	4002	#clear_package __PACKAGE__;
3074		4003
3075	warn "unload completed, starting to reload now";	4004	info "perl_reload: unload completed, starting to reload now";
3076		4005
3077	warn "reloading cf.pm";	4006	trace "perl_reload: reloading cf.pm";
3078	require cf;	4007	require cf;
3079	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4008	cf::_connect_to_perl_1;
3080		4009
3081	warn "loading config and database again";	4010	trace "perl_reload: loading config and database again";
3082	cf::cfg_load;	4011	cf::reload_config;
3083		4012
3084	warn "loading extensions";	4013	trace "perl_reload: loading extensions";
3085	cf::load_extensions;	4014	cf::load_extensions;
3086		4015
		4016	if ($REATTACH_ON_RELOAD) {
3087	warn "reattaching attachments to objects/players";	4017	trace "perl_reload: reattaching attachments to objects/players";
3088	_global_reattach; # objects, sockets	4018	_global_reattach; # objects, sockets
3089	warn "reattaching attachments to maps";	4019	trace "perl_reload: reattaching attachments to maps";
3090	reattach $_ for values %MAP;	4020	reattach $_ for values %MAP;
3091	warn "reattaching attachments to players";	4021	trace "perl_reload: reattaching attachments to players";
3092	reattach $_ for values %PLAYER;	4022	reattach $_ for values %PLAYER;
		4023	}
3093		4024
3094	warn "leaving sync_job";	4025	cf::_post_init 1;
3095		4026
		4027	trace "perl_reload: leaving sync_job";
		4028
3096	1	4029	1
3097	} or do {	4030	} or do {
3098	warn $@;	4031	error $@;
3099	warn "error while reloading, exiting.";	4032	cf::cleanup "perl_reload: error, exiting.";
3100	exit 1;	4033	};
		4034
		4035	--$RELOAD;
3101	};	4036	}
3102		4037
3103	warn "reloaded";	4038	$t1 = AE::time - $t1;
		4039	info "perl_reload: completed in ${t1}s\n";
3104	};	4040	};
3105		4041
3106	our $RELOAD_WATCHER; # used only during reload	4042	our $RELOAD_WATCHER; # used only during reload
3107		4043
3108	sub reload_perl() {	4044	sub reload_perl() {
3109	# doing reload synchronously and two reloads happen back-to-back,	4045	# doing reload synchronously and two reloads happen back-to-back,
3110	# coro crashes during coro_state_free->destroy here.	4046	# coro crashes during coro_state_free->destroy here.
3111		4047
3112	$RELOAD_WATCHER ||= Event->timer (	4048	$RELOAD_WATCHER ||= cf::async {
3113	reentrant => 0,	4049	Coro::AIO::aio_wait cache_extensions;
3114	after => 0,	4050
3115	data => WF_AUTOCANCEL,	4051	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3116	cb => sub {
3117	do_reload_perl;	4052	do_reload_perl;
3118	undef $RELOAD_WATCHER;	4053	undef $RELOAD_WATCHER;
3119	},	4054	};
3120	);	4055	};
3121	}	4056	}
3122		4057
3123	register_command "reload" => sub {	4058	register_command "reload" => sub {
3124	my ($who, $arg) = @_;	4059	my ($who, $arg) = @_;
3125		4060
3126	if ($who->flag (FLAG_WIZ)) {	4061	if ($who->flag (FLAG_WIZ)) {
3127	$who->message ("reloading server.");	4062	$who->message ("reloading server.");
		4063	async {
		4064	$Coro::current->{desc} = "perl_reload";
3128	async { reload_perl };	4065	reload_perl;
		4066	};
3129	}	4067	}
3130	};	4068	};
3131		4069
3132	unshift @INC, $LIBDIR;	4070	#############################################################################
3133		4071
3134	my $bug_warning = 0;	4072	my $bug_warning = 0;
3135		4073
3136	our @WAIT_FOR_TICK;	4074	our @WAIT_FOR_TICK;
3137	our @WAIT_FOR_TICK_BEGIN;	4075	our @WAIT_FOR_TICK_BEGIN;
3138		4076
3139	sub wait_for_tick {	4077	sub wait_for_tick() {
3140	return unless $TICK_WATCHER->is_active;
3141	return if $Coro::current == $Coro::main;	4078	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3142		4079
3143	my $signal = new Coro::Signal;	4080	my $signal = new Coro::Signal;
3144	push @WAIT_FOR_TICK, $signal;	4081	push @WAIT_FOR_TICK, $signal;
3145	$signal->wait;	4082	$signal->wait;
3146	}	4083	}
3147		4084
3148	sub wait_for_tick_begin {	4085	sub wait_for_tick_begin() {
3149	return unless $TICK_WATCHER->is_active;
3150	return if $Coro::current == $Coro::main;	4086	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3151		4087
3152	my $signal = new Coro::Signal;	4088	my $signal = new Coro::Signal;
3153	push @WAIT_FOR_TICK_BEGIN, $signal;	4089	push @WAIT_FOR_TICK_BEGIN, $signal;
3154	$signal->wait;	4090	$signal->wait;
3155	}	4091	}
3156		4092
3157	my $min = 1e6;#d#	4093	sub tick {
3158	my $avg = 10;
3159	$TICK_WATCHER = Event->timer (
3160	reentrant => 0,
3161	parked => 1,
3162	prio => 0,
3163	at => $NEXT_TICK || $TICK,
3164	data => WF_AUTOCANCEL,
3165	cb => sub {
3166	if ($Coro::current != $Coro::main) {	4094	if ($Coro::current != $Coro::main) {
3167	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4095	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3168	unless ++$bug_warning > 10;	4096	unless ++$bug_warning > 10;
3169	return;	4097	return;
3170	}	4098	}
3171		4099
3172	$NOW = $tick_start = Event::time;
3173
3174	cf::server_tick; # one server iteration	4100	cf::server_tick; # one server iteration
3175		4101
3176	0 && sync_job {#d#	4102	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3177	for(1..10) {
3178	my $t = Event::time;
3179	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3180	or die;
3181		4103
3182	$map->width (50);	4104	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3183	$map->height (50);	4105	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3184	$map->alloc;	4106	Coro::async_pool {
3185	$map->_load_objects ("/tmp/x.map", 1);	4107	$Coro::current->{desc} = "runtime saver";
3186	my $t = Event::time - $t;	4108	write_runtime_sync
3187		4109	or error "ERROR: unable to write runtime file: $!";
3188	#next unless $t < 0.0013;#d#
3189	if ($t < $min) {
3190	$min = $t;
3191	}
3192	$avg = $avg * 0.99 + $t * 0.01;
3193	}
3194	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3195	exit 0;
3196	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3197	};	4110	};
		4111	}
3198		4112
3199	$RUNTIME += $TICK;
3200	$NEXT_TICK += $TICK;
3201
3202	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3203	$NEXT_RUNTIME_WRITE = $NOW + 10;
3204	Coro::async_pool {
3205	write_runtime
3206	or warn "ERROR: unable to write runtime file: $!";
3207	};
3208	}
3209
3210	# my $AFTER = Event::time;
3211	# warn $AFTER - $NOW;#d#
3212
3213	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4113	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3214	$sig->send;	4114	$sig->send;
3215	}	4115	}
3216	while (my $sig = shift @WAIT_FOR_TICK) {	4116	while (my $sig = shift @WAIT_FOR_TICK) {
3217	$sig->send;	4117	$sig->send;
3218	}	4118	}
3219		4119
3220	$NOW = Event::time;	4120	$LOAD = ($NOW - $TICK_START) / $TICK;
3221
3222	# if we are delayed by four ticks or more, skip them all
3223	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3224
3225	$TICK_WATCHER->at ($NEXT_TICK);
3226	$TICK_WATCHER->start;
3227
3228	$LOAD = ($NOW - $tick_start) / $TICK;
3229	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4121	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3230		4122
3231	_post_tick;	4123	if (0) {
3232		4124	if ($NEXT_TICK) {
3233		4125	my $jitter = $TICK_START - $NEXT_TICK;
		4126	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4127	debug "jitter $JITTER\n";#d#
		4128	}
3234	},	4129	}
3235	);	4130	}
3236		4131
3237	{	4132	{
3238	BDB::max_poll_time $TICK * 0.1;	4133	# configure BDB
3239	$BDB_POLL_WATCHER = Event->io (	4134
3240	reentrant => 0,
3241	fd => BDB::poll_fileno,
3242	poll => 'r',
3243	prio => 0,
3244	data => WF_AUTOCANCEL,
3245	cb => \&BDB::poll_cb,
3246	);
3247	BDB::min_parallel 8;	4135	BDB::min_parallel 16;
3248		4136	BDB::max_poll_reqs $TICK * 0.1;
3249	BDB::set_sync_prepare {	4137	$AnyEvent::BDB::WATCHER->priority (1);
3250	my $status;
3251	my $current = $Coro::current;
3252	(
3253	sub {
3254	$status = $!;
3255	$current->ready; undef $current;
3256	},
3257	sub {
3258	Coro::schedule while defined $current;
3259	$! = $status;
3260	},
3261	)
3262	};
3263		4138
3264	unless ($DB_ENV) {	4139	unless ($DB_ENV) {
3265	$DB_ENV = BDB::db_env_create;	4140	$DB_ENV = BDB::db_env_create;
		4141	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4142	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4143	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4144	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4145	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3266		4146
3267	cf::sync_job {	4147	cf::sync_job {
3268	eval {	4148	eval {
3269	BDB::db_env_open	4149	BDB::db_env_open
3270	$DB_ENV,	4150	$DB_ENV,
…		…
3272	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4152	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3273	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4153	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3274	0666;	4154	0666;
3275		4155
3276	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4156	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3277
3278	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3279	$DB_ENV->set_lk_detect;
3280	};	4157	};
3281		4158
3282	cf::cleanup "db_env_open(db): $@" if $@;	4159	cf::cleanup "db_env_open(db): $@" if $@;
3283	};	4160	};
3284	}	4161	}
		4162
		4163	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4164	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4165	};
		4166	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4167	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4168	};
		4169	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4170	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4171	};
3285	}	4172	}
3286		4173
3287	{	4174	{
		4175	# configure IO::AIO
		4176
3288	IO::AIO::min_parallel 8;	4177	IO::AIO::min_parallel 8;
3289
3290	undef $Coro::AIO::WATCHER;
3291	IO::AIO::max_poll_time $TICK * 0.1;	4178	IO::AIO::max_poll_time $TICK * 0.1;
3292	$AIO_POLL_WATCHER = Event->io (	4179	undef $AnyEvent::AIO::WATCHER;
3293	reentrant => 0,
3294	data => WF_AUTOCANCEL,
3295	fd => IO::AIO::poll_fileno,
3296	poll => 'r',
3297	prio => 6,
3298	cb => \&IO::AIO::poll_cb,
3299	);
3300	}	4180	}
3301		4181
3302	my $_log_backtrace;	4182	our $_log_backtrace;
		4183	our $_log_backtrace_last;
3303		4184
3304	sub _log_backtrace {	4185	sub _log_backtrace {
3305	my ($msg, @addr) = @_;	4186	my ($msg, @addr) = @_;
3306		4187
3307	$msg =~ s/\n//;	4188	$msg =~ s/\n$//;
3308		4189
		4190	if ($_log_backtrace_last eq $msg) {
		4191	LOG llevInfo, "[ABT] $msg\n";
		4192	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3309	# limit the # of concurrent backtraces	4193	# limit the # of concurrent backtraces
3310	if ($_log_backtrace < 2) {	4194	} elsif ($_log_backtrace < 2) {
		4195	$_log_backtrace_last = $msg;
3311	++$_log_backtrace;	4196	++$_log_backtrace;
		4197	my $perl_bt = Carp::longmess $msg;
3312	async {	4198	async {
		4199	$Coro::current->{desc} = "abt $msg";
		4200
3313	my @bt = fork_call {	4201	my @bt = fork_call {
3314	@addr = map { sprintf "%x", $_ } @addr;	4202	@addr = map { sprintf "%x", $_ } @addr;
3315	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4203	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3316	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4204	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3317	or die "addr2line: $!";	4205	or die "addr2line: $!";
…		…
3325	}	4213	}
3326		4214
3327	@funcs	4215	@funcs
3328	};	4216	};
3329		4217
3330	LOG llevInfo, "[ABT] $msg\n";	4218	LOG llevInfo, "[ABT] $perl_bt\n";
		4219	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3331	LOG llevInfo, "[ABT] $_\n" for @bt;	4220	LOG llevInfo, "[ABT] $_\n" for @bt;
3332	--$_log_backtrace;	4221	--$_log_backtrace;
3333	};	4222	};
3334	} else {	4223	} else {
3335	LOG llevInfo, "[ABT] $msg\n";	4224	LOG llevInfo, "[ABT] $msg\n";
3336	LOG llevInfo, "[ABT] [suppressed]\n";	4225	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3337	}	4226	}
3338	}	4227	}
3339		4228
3340	# load additional modules	4229	# load additional modules
3341	use cf::pod;	4230	require "cf/$_.pm" for @EXTRA_MODULES;
		4231	cf::_connect_to_perl_2;
3342		4232
3343	END { cf::emergency_save }	4233	END { cf::emergency_save }
3344		4234
3345	1	4235	1
3346		4236

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