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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 1.560 by root, Fri Apr 22 02:03:12 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	}
1201	}	1561	}
1202	};	1562	};
1203	}	1563	}
1204		1564
1205	#############################################################################	1565	#############################################################################
1206		1566
1207	=back	1567	=back
1208		1568
1209	=head2 CORE EXTENSIONS	1569	=head2 CORE EXTENSIONS
1210		1570
1211	Functions and methods that extend core crossfire objects.	1571	Functions and methods that extend core deliantra objects.
1212		1572
1213	=cut	1573	=cut
1214		1574
1215	package cf::player;	1575	package cf::player;
1216		1576
1217	use Coro::AIO;	1577	use Coro::AIO;
1218		1578
1219	=head3 cf::player	1579	=head3 cf::player
1220		1580
1221	=over 4	1581	=over 4
		1582
		1583	=item cf::player::num_playing
		1584
		1585	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1586
		1587	=cut
		1588
		1589	sub num_playing {
		1590	scalar grep
		1591	$_->ob->map
		1592	&& !$_->hidden
		1593	&& !$_->ob->flag (cf::FLAG_WIZ),
		1594	cf::player::list
		1595	}
1222		1596
1223	=item cf::player::find $login	1597	=item cf::player::find $login
1224		1598
1225	Returns the given player object, loading it if necessary (might block).	1599	Returns the given player object, loading it if necessary (might block).
1226		1600
…		…
1245		1619
1246	sub exists($) {	1620	sub exists($) {
1247	my ($login) = @_;	1621	my ($login) = @_;
1248		1622
1249	$cf::PLAYER{$login}	1623	$cf::PLAYER{$login}
1250	or cf::sync_job { !aio_stat path $login }	1624	or !aio_stat path $login
1251	}	1625	}
1252		1626
1253	sub find($) {	1627	sub find($) {
1254	return $cf::PLAYER{$_[0]} || do {	1628	return $cf::PLAYER{$_[0]} || do {
1255	my $login = $_[0];	1629	my $login = $_[0];
…		…
1262	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1636	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1263	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1637	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1264	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1638	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1265	aio_unlink +(playerdir $login) . "/$login.pl";	1639	aio_unlink +(playerdir $login) . "/$login.pl";
1266		1640
1267	my $pl = load_pl path $login	1641	my $f = new_from_file cf::object::thawer path $login
1268	or return;	1642	or return;
		1643
		1644	my $pl = cf::player::load_pl $f
		1645	or return;
		1646
		1647	local $cf::PLAYER_LOADING{$login} = $pl;
		1648	$f->resolve_delayed_derefs;
1269	$cf::PLAYER{$login} = $pl	1649	$cf::PLAYER{$login} = $pl
1270	}	1650	}
1271	}	1651	}
1272	}	1652	}
		1653
		1654	cf::player->attach (
		1655	on_load => sub {
		1656	my ($pl, $path) = @_;
		1657
		1658	# restore slots saved in save, below
		1659	my $slots = delete $pl->{_slots};
		1660
		1661	$pl->ob->current_weapon ($slots->[0]);
		1662	$pl->combat_ob ($slots->[1]);
		1663	$pl->ranged_ob ($slots->[2]);
		1664	},
		1665	);
1273		1666
1274	sub save($) {	1667	sub save($) {
1275	my ($pl) = @_;	1668	my ($pl) = @_;
1276		1669
1277	return if $pl->{deny_save};	1670	return if $pl->{deny_save};
…		…
1282	return if $pl->{deny_save};	1675	return if $pl->{deny_save};
1283		1676
1284	aio_mkdir playerdir $pl, 0770;	1677	aio_mkdir playerdir $pl, 0770;
1285	$pl->{last_save} = $cf::RUNTIME;	1678	$pl->{last_save} = $cf::RUNTIME;
1286		1679
		1680	cf::get_slot 0.01;
		1681
		1682	# save slots, to be restored later
		1683	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1684
1287	$pl->save_pl ($path);	1685	$pl->save_pl ($path);
1288	Coro::cede;	1686	cf::cede_to_tick;
1289	}	1687	}
1290		1688
1291	sub new($) {	1689	sub new($) {
1292	my ($login) = @_;	1690	my ($login) = @_;
1293		1691
…		…
1299	$cf::PLAYER{$login} = $self;	1697	$cf::PLAYER{$login} = $self;
1300		1698
1301	$self	1699	$self
1302	}	1700	}
1303		1701
		1702	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1703
		1704	=cut
		1705
		1706	sub send_msg {
		1707	my $ns = shift->ns
		1708	or return;
		1709	$ns->send_msg (@_);
		1710	}
		1711
1304	=item $pl->quit_character	1712	=item $pl->quit_character
1305		1713
1306	Nukes the player without looking back. If logged in, the connection will	1714	Nukes the player without looking back. If logged in, the connection will
1307	be destroyed. May block for a long time.	1715	be destroyed. May block for a long time.
1308		1716
…		…
1312	my ($pl) = @_;	1720	my ($pl) = @_;
1313		1721
1314	my $name = $pl->ob->name;	1722	my $name = $pl->ob->name;
1315		1723
1316	$pl->{deny_save} = 1;	1724	$pl->{deny_save} = 1;
1317	$pl->password ("*"); # this should lock out the player until we nuked the dir	1725	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1318		1726
1319	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1727	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1320	$pl->deactivate;	1728	$pl->deactivate;
		1729
		1730	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1321	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1731	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1732	ext::highscore::check ($pl->ob);
		1733
1322	$pl->ns->destroy if $pl->ns;	1734	$pl->ns->destroy if $pl->ns;
1323		1735
1324	my $path = playerdir $pl;	1736	my $path = playerdir $pl;
1325	my $temp = "$path~$cf::RUNTIME~deleting~";	1737	my $temp = "$path~$cf::RUNTIME~deleting~";
1326	aio_rename $path, $temp;	1738	aio_rename $path, $temp;
…		…
1361	or return [];	1773	or return [];
1362		1774
1363	my @logins;	1775	my @logins;
1364		1776
1365	for my $login (@$dirs) {	1777	for my $login (@$dirs) {
		1778	my $path = path $login;
		1779
		1780	# a .pst is a dead give-away for a valid player
		1781	# if no pst file found, open and chekc for blocked users
		1782	if (aio_stat "$path.pst") {
1366	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1783	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1367	aio_read $fh, 0, 512, my $buf, 0 or next;	1784	aio_read $fh, 0, 512, my $buf, 0 or next;
1368	$buf !~ /^password -------------$/m or next; # official not-valid tag	1785	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1786	}
1369		1787
1370	utf8::decode $login;	1788	utf8::decode $login;
1371	push @logins, $login;	1789	push @logins, $login;
1372	}	1790	}
1373		1791
1374	\@logins	1792	\@logins
1375	}	1793	}
1376		1794
1377	=item $player->maps	1795	=item $player->maps
		1796
		1797	=item cf::player::maps $login
1378		1798
1379	Returns an arrayref of map paths that are private for this	1799	Returns an arrayref of map paths that are private for this
1380	player. May block.	1800	player. May block.
1381		1801
1382	=cut	1802	=cut
…		…
1400	}	1820	}
1401		1821
1402	\@paths	1822	\@paths
1403	}	1823	}
1404		1824
1405	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1825	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1406		1826
1407	Expand crossfire pod fragments into protocol xml.	1827	Expand deliantra pod fragments into protocol xml.
1408		1828
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)	1829	=item $player->ext_reply ($msgid, @msg)
1456		1830
1457	Sends an ext reply to the player.	1831	Sends an ext reply to the player.
1458		1832
1459	=cut	1833	=cut
1460		1834
1461	sub ext_reply($$%) {	1835	sub ext_reply($$@) {
1462	my ($self, $id, %msg) = @_;	1836	my ($self, $id, @msg) = @_;
1463		1837
1464	$msg{msgid} = $id;	1838	$self->ns->ext_reply ($id, @msg)
1465	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1466	}	1839	}
1467		1840
1468	=item $player->ext_event ($type, %msg)	1841	=item $player->ext_msg ($type, @msg)
1469		1842
1470	Sends an ext event to the client.	1843	Sends an ext event to the client.
1471		1844
1472	=cut	1845	=cut
1473		1846
1474	sub ext_event($$%) {	1847	sub ext_msg($$@) {
1475	my ($self, $type, %msg) = @_;	1848	my ($self, $type, @msg) = @_;
1476		1849
1477	$self->ns->ext_event ($type, %msg);	1850	$self->ns->ext_msg ($type, @msg);
1478	}	1851	}
1479		1852
1480	=head3 cf::region	1853	=head3 cf::region
1481		1854
1482	=over 4	1855	=over 4
…		…
1491		1864
1492	=cut	1865	=cut
1493		1866
1494	sub find_by_path($) {	1867	sub find_by_path($) {
1495	my ($path) = @_;	1868	my ($path) = @_;
		1869
		1870	$path =~ s/^~[^\/]*//; # skip ~login
1496		1871
1497	my ($match, $specificity);	1872	my ($match, $specificity);
1498		1873
1499	for my $region (list) {	1874	for my $region (list) {
1500	if ($region->{match} && $path =~ $region->{match}) {	1875	if ($region->{match} && $path =~ $region->{match}) {
…		…
1526	our $MAX_RESET = 3600;	1901	our $MAX_RESET = 3600;
1527	our $DEFAULT_RESET = 3000;	1902	our $DEFAULT_RESET = 3000;
1528		1903
1529	sub generate_random_map {	1904	sub generate_random_map {
1530	my ($self, $rmp) = @_;	1905	my ($self, $rmp) = @_;
1531	# mit "rum" bekleckern, nicht	1906
		1907	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1908
1532	$self->_create_random_map (	1909	$self->_create_random_map ($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}), $rmp->{custom}
1544	)
1545	}	1910	}
1546		1911
1547	=item cf::map->register ($regex, $prio)	1912	=item cf::map->register ($regex, $prio)
1548		1913
1549	Register a handler for the map path matching the given regex at the	1914	Register a handler for the map path matching the given regex at the
…		…
1554		1919
1555	sub register {	1920	sub register {
1556	my (undef, $regex, $prio) = @_;	1921	my (undef, $regex, $prio) = @_;
1557	my $pkg = caller;	1922	my $pkg = caller;
1558		1923
1559	no strict;
1560	push @{"$pkg\::ISA"}, __PACKAGE__;	1924	push @{"$pkg\::ISA"}, __PACKAGE__;
1561		1925
1562	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1926	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1563	}	1927	}
1564		1928
1565	# also paths starting with '/'	1929	# also paths starting with '/'
1566	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1930	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1567		1931
1568	sub thawer_merge {	1932	sub thawer_merge {
1569	my ($self, $merge) = @_;	1933	my ($self, $merge) = @_;
1570		1934
1571	# we have to keep some variables in memory intact	1935	# we have to keep some variables in memory intact
…		…
1576	}	1940	}
1577		1941
1578	sub normalise {	1942	sub normalise {
1579	my ($path, $base) = @_;	1943	my ($path, $base) = @_;
1580		1944
1581	$path = "$path"; # make sure its a string	1945	$path = "$path"; # make sure it's a string
1582		1946
1583	$path =~ s/\.map$//;	1947	$path =~ s/\.map$//;
1584		1948
1585	# map plan:	1949	# map plan:
1586	#	1950	#
…		…
1601	$base =~ s{[^/]+/?$}{};	1965	$base =~ s{[^/]+/?$}{};
1602	$path = "$base/$path";	1966	$path = "$base/$path";
1603	}	1967	}
1604		1968
1605	for ($path) {	1969	for ($path) {
1606	redo if s{//}{/};
1607	redo if s{/\.?/}{/};	1970	redo if s{/\.?/}{/};
1608	redo if s{/[^/]+/\.\./}{/};	1971	redo if s{/[^/]+/\.\./}{/};
1609	}	1972	}
1610		1973
1611	$path	1974	$path
…		…
1625	$self->init; # pass $1 etc.	1988	$self->init; # pass $1 etc.
1626	return $self;	1989	return $self;
1627	}	1990	}
1628	}	1991	}
1629		1992
1630	Carp::cluck "unable to resolve path '$path' (base '$base').";	1993	Carp::cluck "unable to resolve path '$path' (base '$base')";
1631	()	1994	()
1632	}	1995	}
1633		1996
1634	sub init {	1997	sub init {
1635	my ($self) = @_;	1998	my ($self) = @_;
…		…
1657		2020
1658	# the temporary/swap location	2021	# the temporary/swap location
1659	sub save_path {	2022	sub save_path {
1660	my ($self) = @_;	2023	my ($self) = @_;
1661		2024
1662	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2025	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1663	"$TMPDIR/$path.map"	2026	"$TMPDIR/$path.map"
1664	}	2027	}
1665		2028
1666	# the unique path, undef == no special unique path	2029	# the unique path, undef == no special unique path
1667	sub uniq_path {	2030	sub uniq_path {
1668	my ($self) = @_;	2031	my ($self) = @_;
1669		2032
1670	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2033	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1671	"$UNIQUEDIR/$path"	2034	"$UNIQUEDIR/$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 $_->outdoor, values %cf::MAP;
1681	}	2035	}
1682		2036
1683	sub decay_objects {	2037	sub decay_objects {
1684	my ($self) = @_;	2038	my ($self) = @_;
1685		2039
…		…
1698		2052
1699	sub load_header_from($) {	2053	sub load_header_from($) {
1700	my ($self, $path) = @_;	2054	my ($self, $path) = @_;
1701		2055
1702	utf8::encode $path;	2056	utf8::encode $path;
1703	#aio_open $path, O_RDONLY, 0	2057	my $f = new_from_file cf::object::thawer $path
1704	# or return;
1705
1706	$self->_load_header ($path)
1707	or return;	2058	or return;
		2059
		2060	$self->_load_header ($f)
		2061	or return;
		2062
		2063	local $MAP_LOADING{$self->{path}} = $self;
		2064	$f->resolve_delayed_derefs;
1708		2065
1709	$self->{load_path} = $path;	2066	$self->{load_path} = $path;
1710		2067
1711	1	2068	1
1712	}	2069	}
…		…
1764		2121
1765	sub find;	2122	sub find;
1766	sub find {	2123	sub find {
1767	my ($path, $origin) = @_;	2124	my ($path, $origin) = @_;
1768		2125
		2126	cf::cede_to_tick;
		2127
1769	$path = normalise $path, $origin && $origin->path;	2128	$path = normalise $path, $origin && $origin->path;
1770		2129
		2130	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1771	cf::lock_wait "map_find:$path";	2131	my $guard2 = cf::lock_acquire "map_find:$path";
1772		2132
1773	$cf::MAP{$path} || do {	2133	$cf::MAP{$path} || do {
1774	my $guard = cf::lock_acquire "map_find:$path";
1775	my $map = new_from_path cf::map $path	2134	my $map = new_from_path cf::map $path
1776	or return;	2135	or return;
1777		2136
1778	$map->{last_save} = $cf::RUNTIME;	2137	$map->{last_save} = $cf::RUNTIME;
1779		2138
…		…
1781	or return;	2140	or return;
1782		2141
1783	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2142	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1784	# doing this can freeze the server in a sync job, obviously	2143	# doing this can freeze the server in a sync job, obviously
1785	#$cf::WAIT_FOR_TICK->wait;	2144	#$cf::WAIT_FOR_TICK->wait;
		2145	undef $guard2;
		2146	undef $guard1;
1786	$map->reset;	2147	$map->reset;
1787	undef $guard;
1788	return find $path;	2148	return find $path;
1789	}	2149	}
1790		2150
1791	$cf::MAP{$path} = $map	2151	$cf::MAP{$path} = $map
1792	}	2152	}
1793	}	2153	}
1794		2154
1795	sub pre_load { }	2155	sub pre_load { }
1796	sub post_load { }	2156	#sub post_load { } # XS
1797		2157
1798	sub load {	2158	sub load {
1799	my ($self) = @_;	2159	my ($self) = @_;
1800		2160
1801	local $self->{deny_reset} = 1; # loading can take a long time	2161	local $self->{deny_reset} = 1; # loading can take a long time
1802		2162
1803	my $path = $self->{path};	2163	my $path = $self->{path};
1804		2164
1805	{	2165	{
1806	my $guard = cf::lock_acquire "map_load:$path";	2166	my $guard = cf::lock_acquire "map_data:$path";
1807		2167
		2168	return unless $self->valid;
1808	return if $self->in_memory != cf::MAP_SWAPPED;	2169	return unless $self->in_memory == cf::MAP_SWAPPED;
1809		2170
1810	$self->in_memory (cf::MAP_LOADING);	2171	$self->in_memory (cf::MAP_LOADING);
1811		2172
1812	$self->alloc;	2173	$self->alloc;
1813		2174
1814	$self->pre_load;	2175	$self->pre_load;
1815	Coro::cede;	2176	cf::cede_to_tick;
1816		2177
		2178	my $f = new_from_file cf::object::thawer $self->{load_path};
		2179	$f->skip_block;
1817	$self->_load_objects ($self->{load_path}, 1)	2180	$self->_load_objects ($f)
1818	or return;	2181	or return;
1819		2182
1820	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2183	$self->post_load_original
1821	if delete $self->{load_original};	2184	if delete $self->{load_original};
1822		2185
1823	if (my $uniq = $self->uniq_path) {	2186	if (my $uniq = $self->uniq_path) {
1824	utf8::encode $uniq;	2187	utf8::encode $uniq;
1825	if (aio_open $uniq, O_RDONLY, 0) {	2188	unless (aio_stat $uniq) {
		2189	if (my $f = new_from_file cf::object::thawer $uniq) {
1826	$self->clear_unique_items;	2190	$self->clear_unique_items;
1827	$self->_load_objects ($uniq, 0);	2191	$self->_load_objects ($f);
		2192	$f->resolve_delayed_derefs;
		2193	}
1828	}	2194	}
1829	}	2195	}
1830		2196
1831	Coro::cede;	2197	$f->resolve_delayed_derefs;
		2198
		2199	cf::cede_to_tick;
1832	# now do the right thing for maps	2200	# now do the right thing for maps
1833	$self->link_multipart_objects;	2201	$self->link_multipart_objects;
1834	$self->difficulty ($self->estimate_difficulty)	2202	$self->difficulty ($self->estimate_difficulty)
1835	unless $self->difficulty;	2203	unless $self->difficulty;
1836	Coro::cede;	2204	cf::cede_to_tick;
1837		2205
1838	unless ($self->{deny_activate}) {	2206	unless ($self->{deny_activate}) {
1839	$self->decay_objects;	2207	$self->decay_objects;
1840	$self->fix_auto_apply;	2208	$self->fix_auto_apply;
1841	$self->update_buttons;	2209	$self->update_buttons;
1842	Coro::cede;	2210	cf::cede_to_tick;
1843	$self->set_darkness_map;
1844	Coro::cede;
1845	$self->activate;	2211	$self->activate;
1846	}	2212	}
1847		2213
		2214	$self->{last_save} = $cf::RUNTIME;
		2215	$self->last_access ($cf::RUNTIME);
		2216
1848	$self->in_memory (cf::MAP_IN_MEMORY);	2217	$self->in_memory (cf::MAP_ACTIVE);
1849	}	2218	}
1850		2219
1851	$self->post_load;	2220	$self->post_load;
1852	}
1853		2221
		2222	1
		2223	}
		2224
		2225	# customize the map for a given player, i.e.
		2226	# return the _real_ map. used by e.g. per-player
		2227	# maps to change the path to ~playername/mappath
1854	sub customise_for {	2228	sub customise_for {
1855	my ($self, $ob) = @_;	2229	my ($self, $ob) = @_;
1856		2230
1857	return find "~" . $ob->name . "/" . $self->{path}	2231	return find "~" . $ob->name . "/" . $self->{path}
1858	if $self->per_player;	2232	if $self->per_player;
…		…
1862		2236
1863	$self	2237	$self
1864	}	2238	}
1865		2239
1866	# find and load all maps in the 3x3 area around a map	2240	# find and load all maps in the 3x3 area around a map
1867	sub load_diag {	2241	sub load_neighbours {
1868	my ($map) = @_;	2242	my ($map) = @_;
1869		2243
1870	my @diag; # diagonal neighbours	2244	my @neigh; # diagonal neighbours
1871		2245
1872	for (0 .. 3) {	2246	for (0 .. 3) {
1873	my $neigh = $map->tile_path ($_)	2247	my $neigh = $map->tile_path ($_)
1874	or next;	2248	or next;
1875	$neigh = find $neigh, $map	2249	$neigh = find $neigh, $map
1876	or next;	2250	or next;
1877	$neigh->load;	2251	$neigh->load;
1878		2252
		2253	# now find the diagonal neighbours
		2254	push @neigh,
1879	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2255	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1880	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2256	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1881	}	2257	}
1882		2258
1883	for (@diag) {	2259	for (grep defined $_->[0], @neigh) {
		2260	my ($path, $origin) = @$_;
1884	my $neigh = find @$_	2261	my $neigh = find $path, $origin
1885	or next;	2262	or next;
1886	$neigh->load;	2263	$neigh->load;
1887	}	2264	}
1888	}	2265	}
1889		2266
1890	sub find_sync {	2267	sub find_sync {
1891	my ($path, $origin) = @_;	2268	my ($path, $origin) = @_;
1892		2269
1893	cf::sync_job { find $path, $origin }	2270	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2271	if $Coro::current == $Coro::main;
		2272
		2273	find $path, $origin
1894	}	2274	}
1895		2275
1896	sub do_load_sync {	2276	sub do_load_sync {
1897	my ($map) = @_;	2277	my ($map) = @_;
1898		2278
1899	cf::sync_job { $map->load };	2279	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2280	if $Coro::current == $Coro::main;
		2281
		2282	$map->load;
1900	}	2283	}
1901		2284
1902	our %MAP_PREFETCH;	2285	our %MAP_PREFETCH;
1903	our $MAP_PREFETCHER = undef;	2286	our $MAP_PREFETCHER = undef;
1904		2287
1905	sub find_async {	2288	sub find_async {
1906	my ($path, $origin) = @_;	2289	my ($path, $origin, $load) = @_;
1907		2290
1908	$path = normalise $path, $origin && $origin->{path};	2291	$path = normalise $path, $origin && $origin->{path};
1909		2292
1910	if (my $map = $cf::MAP{$path}) {	2293	if (my $map = $cf::MAP{$path}) {
1911	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2294	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1912	}	2295	}
1913		2296
1914	undef $MAP_PREFETCH{$path};	2297	$MAP_PREFETCH{$path} |= $load;
		2298
1915	$MAP_PREFETCHER ||= cf::async {	2299	$MAP_PREFETCHER ||= cf::async {
		2300	$Coro::current->{desc} = "map prefetcher";
		2301
1916	while (%MAP_PREFETCH) {	2302	while (%MAP_PREFETCH) {
1917	for my $path (keys %MAP_PREFETCH) {	2303	while (my ($k, $v) = each %MAP_PREFETCH) {
1918	if (my $map = find $path) {	2304	if (my $map = find $k) {
1919	$map->load;	2305	$map->load if $v;
1920	}	2306	}
1921		2307
1922	delete $MAP_PREFETCH{$path};	2308	delete $MAP_PREFETCH{$k};
1923	}	2309	}
1924	}	2310	}
1925	undef $MAP_PREFETCHER;	2311	undef $MAP_PREFETCHER;
1926	};	2312	};
1927	$MAP_PREFETCHER->prio (6);	2313	$MAP_PREFETCHER->prio (6);
1928		2314
1929	()	2315	()
1930	}	2316	}
1931		2317
		2318	# common code, used by both ->save and ->swapout
1932	sub save {	2319	sub _save {
1933	my ($self) = @_;	2320	my ($self) = @_;
1934
1935	my $lock = cf::lock_acquire "map_data:" . $self->path;
1936		2321
1937	$self->{last_save} = $cf::RUNTIME;	2322	$self->{last_save} = $cf::RUNTIME;
1938		2323
1939	return unless $self->dirty;	2324	return unless $self->dirty;
1940		2325
…		…
1946	return if $self->{deny_save};	2331	return if $self->{deny_save};
1947		2332
1948	local $self->{last_access} = $self->last_access;#d#	2333	local $self->{last_access} = $self->last_access;#d#
1949		2334
1950	cf::async {	2335	cf::async {
		2336	$Coro::current->{desc} = "map player save";
1951	$_->contr->save for $self->players;	2337	$_->contr->save for $self->players;
1952	};	2338	};
		2339
		2340	cf::get_slot 0.02;
1953		2341
1954	if ($uniq) {	2342	if ($uniq) {
1955	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2343	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1956	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2344	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1957	} else {	2345	} else {
1958	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2346	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1959	}	2347	}
1960	}	2348	}
1961		2349
		2350	sub save {
		2351	my ($self) = @_;
		2352
		2353	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2354
		2355	$self->_save;
		2356	}
		2357
1962	sub swap_out {	2358	sub swap_out {
1963	my ($self) = @_;	2359	my ($self) = @_;
1964		2360
1965	# save first because save cedes
1966	$self->save;
1967
1968	my $lock = cf::lock_acquire "map_data:" . $self->path;	2361	my $lock = cf::lock_acquire "map_data:$self->{path}";
1969		2362
		2363	return if $self->in_memory != cf::MAP_ACTIVE;
		2364	return if $self->{deny_save};
1970	return if $self->players;	2365	return if $self->players;
1971	return if $self->in_memory != cf::MAP_IN_MEMORY;
1972	return if $self->{deny_save};
1973		2366
		2367	# first deactivate the map and "unlink" it from the core
		2368	$self->deactivate;
		2369	$_->clear_links_to ($self) for values %cf::MAP;
		2370	$self->in_memory (cf::MAP_SWAPPED);
		2371
		2372	# then atomically save
		2373	$self->_save;
		2374
		2375	# then free the map
1974	$self->clear;	2376	$self->clear;
1975	$self->in_memory (cf::MAP_SWAPPED);
1976	}	2377	}
1977		2378
1978	sub reset_at {	2379	sub reset_at {
1979	my ($self) = @_;	2380	my ($self) = @_;
1980		2381
…		…
1998		2399
1999	my $lock = cf::lock_acquire "map_data:$self->{path}";	2400	my $lock = cf::lock_acquire "map_data:$self->{path}";
2000		2401
2001	return if $self->players;	2402	return if $self->players;
2002		2403
2003	warn "resetting map ", $self->path;	2404	cf::trace "resetting map ", $self->path, "\n";
2004		2405
2005	$self->in_memory (cf::MAP_SWAPPED);	2406	$self->in_memory (cf::MAP_SWAPPED);
2006		2407
2007	# need to save uniques path	2408	# need to save uniques path
2008	unless ($self->{deny_save}) {	2409	unless ($self->{deny_save}) {
…		…
2012	if $uniq;	2413	if $uniq;
2013	}	2414	}
2014		2415
2015	delete $cf::MAP{$self->path};	2416	delete $cf::MAP{$self->path};
2016		2417
		2418	$self->deactivate;
		2419	$_->clear_links_to ($self) for values %cf::MAP;
2017	$self->clear;	2420	$self->clear;
2018
2019	$_->clear_links_to ($self) for values %cf::MAP;
2020		2421
2021	$self->unlink_save;	2422	$self->unlink_save;
2022	$self->destroy;	2423	$self->destroy;
2023	}	2424	}
2024		2425
2025	my $nuke_counter = "aaaa";	2426	my $nuke_counter = "aaaa";
2026		2427
2027	sub nuke {	2428	sub nuke {
2028	my ($self) = @_;	2429	my ($self) = @_;
2029		2430
		2431	{
		2432	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2433
2030	delete $cf::MAP{$self->path};	2434	delete $cf::MAP{$self->path};
2031		2435
2032	$self->unlink_save;	2436	$self->unlink_save;
2033		2437
2034	bless $self, "cf::map";	2438	bless $self, "cf::map::wrap";
2035	delete $self->{deny_reset};	2439	delete $self->{deny_reset};
2036	$self->{deny_save} = 1;	2440	$self->{deny_save} = 1;
2037	$self->reset_timeout (1);	2441	$self->reset_timeout (1);
2038	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2442	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2039		2443
2040	$cf::MAP{$self->path} = $self;	2444	$cf::MAP{$self->path} = $self;
		2445	}
2041		2446
2042	$self->reset; # polite request, might not happen	2447	$self->reset; # polite request, might not happen
2043	}	2448	}
2044		2449
2045	=item $maps = cf::map::tmp_maps	2450	=item $maps = cf::map::tmp_maps
…		…
2087		2492
2088	sub unique_maps() {	2493	sub unique_maps() {
2089	[	2494	[
2090	map {	2495	map {
2091	utf8::decode $_;	2496	utf8::decode $_;
2092	/\.map$/	2497	s/\.map$//; # TODO future compatibility hack
		2498	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2499	? ()
2093	? normalise $_	2500	: normalise $_
2094	: ()
2095	} @{ aio_readdir $UNIQUEDIR or [] }	2501	} @{ aio_readdir $UNIQUEDIR or [] }
2096	]	2502	]
2097	}	2503	}
2098		2504
2099	package cf;	2505	=item cf::map::static_maps
		2506
		2507	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2508	file in the shared directory excluding F</styles> and F</editor>). May
		2509	block.
		2510
		2511	=cut
		2512
		2513	sub static_maps() {
		2514	my @dirs = "";
		2515	my @maps;
		2516
		2517	while (@dirs) {
		2518	my $dir = shift @dirs;
		2519
		2520	next if $dir eq "/styles" || $dir eq "/editor";
		2521
		2522	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2523	or return;
		2524
		2525	for (@$files) {
		2526	s/\.map$// or next;
		2527	utf8::decode $_;
		2528	push @maps, "$dir/$_";
		2529	}
		2530
		2531	push @dirs, map "$dir/$_", @$dirs;
		2532	}
		2533
		2534	\@maps
		2535	}
2100		2536
2101	=back	2537	=back
2102		2538
2103	=head3 cf::object	2539	=head3 cf::object
2104		2540
…		…
2108		2544
2109	=over 4	2545	=over 4
2110		2546
2111	=item $ob->inv_recursive	2547	=item $ob->inv_recursive
2112		2548
2113	Returns the inventory of the object _and_ their inventories, recursively.	2549	Returns the inventory of the object I<and> their inventories, recursively,
		2550	but I<not> the object itself.
2114		2551
2115	=cut	2552	=cut
2116		2553
2117	sub inv_recursive_;	2554	sub inv_recursive_;
2118	sub inv_recursive_ {	2555	sub inv_recursive_ {
…		…
2121		2558
2122	sub inv_recursive {	2559	sub inv_recursive {
2123	inv_recursive_ inv $_[0]	2560	inv_recursive_ inv $_[0]
2124	}	2561	}
2125		2562
		2563	=item $ref = $ob->ref
		2564
		2565	Creates and returns a persistent reference to an object that can be stored as a string.
		2566
		2567	=item $ob = cf::object::deref ($refstring)
		2568
		2569	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2570	even if the object actually exists. May block.
		2571
		2572	=cut
		2573
		2574	sub deref {
		2575	my ($ref) = @_;
		2576
		2577	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2578	my ($uuid, $name) = ($1, $2);
		2579	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2580	or return;
		2581	$pl->ob->uuid eq $uuid
		2582	or return;
		2583
		2584	$pl->ob
		2585	} else {
		2586	warn "$ref: cannot resolve object reference\n";
		2587	undef
		2588	}
		2589	}
		2590
2126	package cf;	2591	package cf;
2127		2592
2128	=back	2593	=back
2129		2594
2130	=head3 cf::object::player	2595	=head3 cf::object::player
…		…
2136	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2601	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	2602	can be C<undef>. Does the right thing when the player is currently in a
2138	dialogue with the given NPC character.	2603	dialogue with the given NPC character.
2139		2604
2140	=cut	2605	=cut
		2606
		2607	our $SAY_CHANNEL = {
		2608	id => "say",
		2609	title => "Map",
		2610	reply => "say ",
		2611	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2612	};
		2613
		2614	our $CHAT_CHANNEL = {
		2615	id => "chat",
		2616	title => "Chat",
		2617	reply => "chat ",
		2618	tooltip => "Player chat and shouts, global to the server.",
		2619	};
2141		2620
2142	# rough implementation of a future "reply" method that works	2621	# rough implementation of a future "reply" method that works
2143	# with dialog boxes.	2622	# with dialog boxes.
2144	#TODO: the first argument must go, split into a $npc->reply_to ( method	2623	#TODO: the first argument must go, split into a $npc->reply_to ( method
2145	sub cf::object::player::reply($$$;$) {	2624	sub cf::object::player::reply($$$;$) {
…		…
2152		2631
2153	} else {	2632	} else {
2154	my $pl = $self->contr;	2633	my $pl = $self->contr;
2155		2634
2156	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2635	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2157	my $diag = $pl->{npc_dialog};	2636	my $dialog = $pl->{npc_dialog};
2158	$diag->{pl}->ext_reply (	2637	$dialog->{pl}->ext_msg ($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		2638
2165	} else {	2639	} else {
2166	$msg = $npc->name . " says: $msg" if $npc;	2640	$msg = $npc->name . " says: $msg" if $npc;
2167	$self->message ($msg, $flags);	2641	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2168	}	2642	}
2169	}	2643	}
		2644	}
		2645
		2646	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2647
		2648	=cut
		2649
		2650	sub cf::object::send_msg {
		2651	my $pl = shift->contr
		2652	or return;
		2653	$pl->send_msg (@_);
2170	}	2654	}
2171		2655
2172	=item $player_object->may ("access")	2656	=item $player_object->may ("access")
2173		2657
2174	Returns wether the given player is authorized to access resource "access"	2658	Returns wether the given player is authorized to access resource "access"
…		…
2187		2671
2188	=item $player_object->enter_link	2672	=item $player_object->enter_link
2189		2673
2190	Freezes the player and moves him/her to a special map (C<{link}>).	2674	Freezes the player and moves him/her to a special map (C<{link}>).
2191		2675
2192	The player should be reasonably safe there for short amounts of time. You	2676	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.	2677	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2678	though, as the player cannot control the character while it is on the link
		2679	map.
2194		2680
2195	Will never block.	2681	Will never block.
2196		2682
2197	=item $player_object->leave_link ($map, $x, $y)	2683	=item $player_object->leave_link ($map, $x, $y)
2198		2684
…		…
2218	sub cf::object::player::enter_link {	2704	sub cf::object::player::enter_link {
2219	my ($self) = @_;	2705	my ($self) = @_;
2220		2706
2221	$self->deactivate_recursive;	2707	$self->deactivate_recursive;
2222		2708
		2709	++$self->{_link_recursion};
		2710
2223	return if UNIVERSAL::isa $self->map, "ext::map_link";	2711	return if UNIVERSAL::isa $self->map, "ext::map_link";
2224		2712
2225	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2713	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2226	if $self->map && $self->map->{path} ne "{link}";	2714	if $self->map && $self->map->{path} ne "{link}";
2227		2715
2228	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2716	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2229	}	2717	}
2230		2718
2231	sub cf::object::player::leave_link {	2719	sub cf::object::player::leave_link {
2232	my ($self, $map, $x, $y) = @_;	2720	my ($self, $map, $x, $y) = @_;
2233		2721
…		…
2250	($x, $y) = (-1, -1)	2738	($x, $y) = (-1, -1)
2251	unless (defined $x) && (defined $y);	2739	unless (defined $x) && (defined $y);
2252		2740
2253	# use -1 or undef as default coordinates, not 0, 0	2741	# use -1 or undef as default coordinates, not 0, 0
2254	($x, $y) = ($map->enter_x, $map->enter_y)	2742	($x, $y) = ($map->enter_x, $map->enter_y)
2255	if $x <=0 && $y <= 0;	2743	if $x <= 0 && $y <= 0;
2256		2744
2257	$map->load;	2745	$map->load;
2258	$map->load_diag;	2746	$map->load_neighbours;
2259		2747
2260	return unless $self->contr->active;	2748	return unless $self->contr->active;
2261	$self->activate_recursive;
2262		2749
2263	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2750	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2264	$self->enter_map ($map, $x, $y);	2751	if ($self->enter_map ($map, $x, $y)) {
2265	}	2752	# entering was successful
		2753	delete $self->{_link_recursion};
		2754	# only activate afterwards, to support waiting in hooks
		2755	$self->activate_recursive;
		2756	}
2266		2757
		2758	}
		2759
2267	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2760	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2268		2761
2269	Moves the player to the given map-path and coordinates by first freezing	2762	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	2763	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	2764	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	2765	the new (success) or old (failed) map position. In either case, $done will
2273	be called at the end of this process.	2766	be called at the end of this process.
2274		2767
		2768	Note that $check will be called with a potentially non-loaded map, so if
		2769	it needs a loaded map it has to call C<< ->load >>.
		2770
2275	=cut	2771	=cut
2276		2772
2277	our $GOTOGEN;	2773	our $GOTOGEN;
2278		2774
2279	sub cf::object::player::goto {	2775	sub cf::object::player::goto {
2280	my ($self, $path, $x, $y, $check, $done) = @_;	2776	my ($self, $path, $x, $y, $check, $done) = @_;
2281		2777
		2778	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2779	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2780	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2781	($path, $x, $y) = @$EMERGENCY_POSITION;
		2782	}
		2783
2282	# do generation counting so two concurrent goto's will be executed in-order	2784	# do generation counting so two concurrent goto's will be executed in-order
2283	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2785	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2284		2786
2285	$self->enter_link;	2787	$self->enter_link;
2286		2788
2287	(async {	2789	(async {
		2790	$Coro::current->{desc} = "player::goto $path $x $y";
		2791
		2792	# *tag paths override both path and x|y
		2793	if ($path =~ /^\*(.*)$/) {
		2794	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2795	my $ob = $obs[rand @obs];
		2796
		2797	# see if we actually can go there
		2798	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2799	$ob = $obs[rand @obs];
		2800	} else {
		2801	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2802	}
		2803	# else put us there anyways for now #d#
		2804
		2805	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2806	} else {
		2807	($path, $x, $y) = (undef, undef, undef);
		2808	}
		2809	}
		2810
2288	my $map = eval {	2811	my $map = eval {
2289	my $map = cf::map::find $path;	2812	my $map = defined $path ? cf::map::find $path : undef;
2290		2813
2291	if ($map) {	2814	if ($map) {
2292	$map = $map->customise_for ($self);	2815	$map = $map->customise_for ($self);
2293	$map = $check->($map) if $check && $map;	2816	$map = $check->($map, $x, $y, $self) if $check && $map;
2294	} else {	2817	} else {
2295	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2818	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2296	}	2819	}
2297		2820
2298	$map	2821	$map
2299	};	2822	};
2300		2823
…		…
2306	if ($gen == $self->{_goto_generation}) {	2829	if ($gen == $self->{_goto_generation}) {
2307	delete $self->{_goto_generation};	2830	delete $self->{_goto_generation};
2308	$self->leave_link ($map, $x, $y);	2831	$self->leave_link ($map, $x, $y);
2309	}	2832	}
2310		2833
2311	$done->() if $done;	2834	$done->($self) if $done;
2312	})->prio (1);	2835	})->prio (1);
2313	}	2836	}
2314		2837
2315	=item $player_object->enter_exit ($exit_object)	2838	=item $player_object->enter_exit ($exit_object)
2316		2839
…		…
2336	}	2859	}
2337		2860
2338	sub prepare_random_map {	2861	sub prepare_random_map {
2339	my ($exit) = @_;	2862	my ($exit) = @_;
2340		2863
2341	my $guard = cf::lock_acquire "exit_prepare:$exit";
2342
2343	# all this does is basically replace the /! path by	2864	# all this does is basically replace the /! path by
2344	# a new random map path (?random/...) with a seed	2865	# a new random map path (?random/...) with a seed
2345	# that depends on the exit object	2866	# that depends on the exit object
2346		2867
2347	my $rmp = parse_random_map_params $exit->msg;	2868	my $rmp = parse_random_map_params $exit->msg;
…		…
2349	if ($exit->map) {	2870	if ($exit->map) {
2350	$rmp->{region} = $exit->region->name;	2871	$rmp->{region} = $exit->region->name;
2351	$rmp->{origin_map} = $exit->map->path;	2872	$rmp->{origin_map} = $exit->map->path;
2352	$rmp->{origin_x} = $exit->x;	2873	$rmp->{origin_x} = $exit->x;
2353	$rmp->{origin_y} = $exit->y;	2874	$rmp->{origin_y} = $exit->y;
		2875
		2876	$exit->map->touch;
2354	}	2877	}
2355		2878
2356	$rmp->{random_seed} ||= $exit->random_seed;	2879	$rmp->{random_seed} ||= $exit->random_seed;
2357		2880
2358	my $data = cf::to_json $rmp;	2881	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2359	my $md5 = Digest::MD5::md5_hex $data;	2882	my $md5 = Digest::MD5::md5_hex $data;
2360	my $meta = "$RANDOMDIR/$md5.meta";	2883	my $meta = "$RANDOMDIR/$md5.meta";
2361		2884
2362	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2885	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2363	aio_write $fh, 0, (length $data), $data, 0;	2886	aio_write $fh, 0, (length $data), $data, 0;
2364	undef $fh;	2887	undef $fh;
2365	aio_rename "$meta~", $meta;	2888	aio_rename "$meta~", $meta;
2366		2889
		2890	my $slaying = "?random/$md5";
		2891
		2892	if ($exit->valid) {
2367	$exit->slaying ("?random/$md5");	2893	$exit->slaying ("?random/$md5");
2368	$exit->msg (undef);	2894	$exit->msg (undef);
		2895	}
2369	}	2896	}
2370	}	2897	}
2371		2898
2372	sub cf::object::player::enter_exit {	2899	sub cf::object::player::enter_exit {
2373	my ($self, $exit) = @_;	2900	my ($self, $exit) = @_;
2374		2901
2375	return unless $self->type == cf::PLAYER;	2902	return unless $self->type == cf::PLAYER;
2376		2903
2377	if ($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;	2904	$self->enter_link;
2389		2905
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 {	2906	(async {
2395	$self->deactivate_recursive; # just to be sure	2907	$Coro::current->{desc} = "enter_exit";
		2908
2396	unless (eval {	2909	unless (eval {
		2910	$self->deactivate_recursive; # just to be sure
		2911
		2912	# random map handling
		2913	{
		2914	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2915
		2916	prepare_random_map $exit
		2917	if $exit->slaying eq "/!";
		2918	}
		2919
		2920	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2921	my $x = $exit->stats->hp;
		2922	my $y = $exit->stats->sp;
		2923
2397	$self->goto ($slaying, $hp, $sp);	2924	$self->goto ($map, $x, $y);
2398		2925
		2926	# if exit is damned, update players death & WoR home-position
		2927	$self->contr->savebed ($map, $x, $y)
		2928	if $exit->flag (cf::FLAG_DAMNED);
		2929
2399	1;	2930	1
2400	}) {	2931	}) {
2401	$self->message ("Something went wrong deep within the crossfire server. "	2932	$self->message ("Something went wrong deep within the deliantra server. "
2402	. "I'll try to bring you back to the map you were before. "	2933	. "I'll try to bring you back to the map you were before. "
2403	. "Please report this to the dungeon master!",	2934	. "Please report this to the dungeon master!",
2404	cf::NDI_UNIQUE | cf::NDI_RED);	2935	cf::NDI_UNIQUE | cf::NDI_RED);
2405		2936
2406	warn "ERROR in enter_exit: $@";	2937	error "ERROR in enter_exit: $@";
2407	$self->leave_link;	2938	$self->leave_link;
2408	}	2939	}
2409	})->prio (1);	2940	})->prio (1);
2410	}	2941	}
2411		2942
…		…
2425		2956
2426	utf8::encode $text;	2957	utf8::encode $text;
2427	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2958	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2428	}	2959	}
2429		2960
		2961	=item $client->send_big_packet ($pkt)
		2962
		2963	Like C<send_packet>, but tries to compress large packets, and fragments
		2964	them as required.
		2965
		2966	=cut
		2967
		2968	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2969
		2970	sub cf::client::send_big_packet {
		2971	my ($self, $pkt) = @_;
		2972
		2973	# try lzf for large packets
		2974	$pkt = "lzf " . Compress::LZF::compress $pkt
		2975	if 1024 <= length $pkt and $self->{can_lzf};
		2976
		2977	# split very large packets
		2978	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2979	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2980	$pkt = "frag";
		2981	}
		2982
		2983	$self->send_packet ($pkt);
		2984	}
		2985
2430	=item $client->send_msg ($color, $type, $msg, [extra...])	2986	=item $client->send_msg ($channel, $msg, $color, [extra...])
2431		2987
2432	Send a drawinfo or msg packet to the client, formatting the msg for the	2988	Send a drawinfo or msg packet to the client, formatting the msg for the
2433	client if neccessary. C<$type> should be a string identifying the type of	2989	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	2990	the message, with C<log> being the default. If C<$color> is negative, suppress
2435	the message unless the client supports the msg packet.	2991	the message unless the client supports the msg packet.
2436		2992
2437	=cut	2993	=cut
2438		2994
		2995	# non-persistent channels (usually the info channel)
		2996	our %CHANNEL = (
		2997	"c/motd" => {
		2998	id => "infobox",
		2999	title => "MOTD",
		3000	reply => undef,
		3001	tooltip => "The message of the day",
		3002	},
		3003	"c/identify" => {
		3004	id => "infobox",
		3005	title => "Identify",
		3006	reply => undef,
		3007	tooltip => "Items recently identified",
		3008	},
		3009	"c/examine" => {
		3010	id => "infobox",
		3011	title => "Examine",
		3012	reply => undef,
		3013	tooltip => "Signs and other items you examined",
		3014	},
		3015	"c/shopinfo" => {
		3016	id => "infobox",
		3017	title => "Shop Info",
		3018	reply => undef,
		3019	tooltip => "What your bargaining skill tells you about the shop",
		3020	},
		3021	"c/book" => {
		3022	id => "infobox",
		3023	title => "Book",
		3024	reply => undef,
		3025	tooltip => "The contents of a note or book",
		3026	},
		3027	"c/lookat" => {
		3028	id => "infobox",
		3029	title => "Look",
		3030	reply => undef,
		3031	tooltip => "What you saw there",
		3032	},
		3033	"c/who" => {
		3034	id => "infobox",
		3035	title => "Players",
		3036	reply => undef,
		3037	tooltip => "Shows players who are currently online",
		3038	},
		3039	"c/body" => {
		3040	id => "infobox",
		3041	title => "Body Parts",
		3042	reply => undef,
		3043	tooltip => "Shows which body parts you posess and are available",
		3044	},
		3045	"c/statistics" => {
		3046	id => "infobox",
		3047	title => "Statistics",
		3048	reply => undef,
		3049	tooltip => "Shows your primary statistics",
		3050	},
		3051	"c/skills" => {
		3052	id => "infobox",
		3053	title => "Skills",
		3054	reply => undef,
		3055	tooltip => "Shows your experience per skill and item power",
		3056	},
		3057	"c/shopitems" => {
		3058	id => "infobox",
		3059	title => "Shop Items",
		3060	reply => undef,
		3061	tooltip => "Shows the items currently for sale in this shop",
		3062	},
		3063	"c/resistances" => {
		3064	id => "infobox",
		3065	title => "Resistances",
		3066	reply => undef,
		3067	tooltip => "Shows your resistances",
		3068	},
		3069	"c/pets" => {
		3070	id => "infobox",
		3071	title => "Pets",
		3072	reply => undef,
		3073	tooltip => "Shows information abotu your pets/a specific pet",
		3074	},
		3075	"c/perceiveself" => {
		3076	id => "infobox",
		3077	title => "Perceive Self",
		3078	reply => undef,
		3079	tooltip => "You gained detailed knowledge about yourself",
		3080	},
		3081	"c/uptime" => {
		3082	id => "infobox",
		3083	title => "Uptime",
		3084	reply => undef,
		3085	tooltip => "How long the server has been running since last restart",
		3086	},
		3087	"c/mapinfo" => {
		3088	id => "infobox",
		3089	title => "Map Info",
		3090	reply => undef,
		3091	tooltip => "Information related to the maps",
		3092	},
		3093	"c/party" => {
		3094	id => "party",
		3095	title => "Party",
		3096	reply => "gsay ",
		3097	tooltip => "Messages and chat related to your party",
		3098	},
		3099	"c/death" => {
		3100	id => "death",
		3101	title => "Death",
		3102	reply => undef,
		3103	tooltip => "Reason for and more info about your most recent death",
		3104	},
		3105	"c/say" => $SAY_CHANNEL,
		3106	"c/chat" => $CHAT_CHANNEL,
		3107	);
		3108
2439	sub cf::client::send_msg {	3109	sub cf::client::send_msg {
2440	my ($self, $color, $type, $msg, @extra) = @_;	3110	my ($self, $channel, $msg, $color, @extra) = @_;
2441		3111
2442	$msg = $self->pl->expand_cfpod ($msg);	3112	$msg = $self->pl->expand_cfpod ($msg)
		3113	unless $color & cf::NDI_VERBATIM;
		3114
		3115	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3116
		3117	# check predefined channels, for the benefit of C
		3118	if ($CHANNEL{$channel}) {
		3119	$channel = $CHANNEL{$channel};
		3120
		3121	$self->ext_msg (channel_info => $channel);
		3122	$channel = $channel->{id};
		3123
		3124	} elsif (ref $channel) {
		3125	# send meta info to client, if not yet sent
		3126	unless (exists $self->{channel}{$channel->{id}}) {
		3127	$self->{channel}{$channel->{id}} = $channel;
		3128	$self->ext_msg (channel_info => $channel);
		3129	}
		3130
		3131	$channel = $channel->{id};
		3132	}
2443		3133
2444	return unless @extra || length $msg;	3134	return unless @extra || length $msg;
2445		3135
2446	if ($self->can_msg) {	3136	# default colour, mask it out
2447	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3137	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2448	} else {	3138	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		3139
2459	if ($color >= 0) {	3140	my $pkt = "msg "
2460	if (0 && $msg =~ /\[/) {	3141	. $self->{json_coder}->encode (
2461	$self->send_packet ("drawextinfo $color 4 0 $msg")	3142	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2462	} else {	3143	);
2463	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2464	$self->send_packet ("drawinfo $color $msg")
2465	}
2466	}
2467	}
2468	}
2469		3144
		3145	$self->send_big_packet ($pkt);
		3146	}
		3147
2470	=item $client->ext_event ($type, %msg)	3148	=item $client->ext_msg ($type, @msg)
2471		3149
2472	Sends an ext event to the client.	3150	Sends an ext event to the client.
2473		3151
2474	=cut	3152	=cut
2475		3153
2476	sub cf::client::ext_event($$%) {	3154	sub cf::client::ext_msg($$@) {
2477	my ($self, $type, %msg) = @_;	3155	my ($self, $type, @msg) = @_;
2478		3156
2479	return unless $self->extcmd;	3157	if ($self->extcmd == 2) {
2480		3158	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3159	} elsif ($self->extcmd == 1) { # TODO: remove
2481	$msg{msgtype} = "event_$type";	3160	push @msg, msgtype => "event_$type";
2482	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3161	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3162	}
		3163	}
		3164
		3165	=item $client->ext_reply ($msgid, @msg)
		3166
		3167	Sends an ext reply to the client.
		3168
		3169	=cut
		3170
		3171	sub cf::client::ext_reply($$@) {
		3172	my ($self, $id, @msg) = @_;
		3173
		3174	if ($self->extcmd == 2) {
		3175	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3176	} elsif ($self->extcmd == 1) {
		3177	#TODO: version 1, remove
		3178	unshift @msg, msgtype => "reply", msgid => $id;
		3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3180	}
2483	}	3181	}
2484		3182
2485	=item $success = $client->query ($flags, "text", \&cb)	3183	=item $success = $client->query ($flags, "text", \&cb)
2486		3184
2487	Queues a query to the client, calling the given callback with	3185	Queues a query to the client, calling the given callback with
…		…
2542	my ($ns, $buf) = @_;	3240	my ($ns, $buf) = @_;
2543		3241
2544	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3242	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2545		3243
2546	if (ref $msg) {	3244	if (ref $msg) {
		3245	my ($type, $reply, @payload) =
		3246	"ARRAY" eq ref $msg
		3247	? @$msg
		3248	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3249
		3250	my @reply;
		3251
2547	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3252	if (my $cb = $EXTICMD{$type}) {
2548	if (my %reply = $cb->($ns, $msg)) {	3253	@reply = $cb->($ns, @payload);
2549	$reply{msgid} = $msg->{msgid};
2550	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2551	}
2552	}	3254	}
		3255
		3256	$ns->ext_reply ($reply, @reply)
		3257	if $reply;
		3258
2553	} else {	3259	} else {
2554	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3260	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2555	}	3261	}
2556		3262
2557	cf::override;	3263	cf::override;
2558	},	3264	},
2559	);	3265	);
…		…
2579		3285
2580	$coro	3286	$coro
2581	}	3287	}
2582		3288
2583	cf::client->attach (	3289	cf::client->attach (
2584	on_destroy => sub {	3290	on_client_destroy => sub {
2585	my ($ns) = @_;	3291	my ($ns) = @_;
2586		3292
2587	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3293	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2588	},	3294	},
2589	);	3295	);
…		…
2604	our $safe = new Safe "safe";	3310	our $safe = new Safe "safe";
2605	our $safe_hole = new Safe::Hole;	3311	our $safe_hole = new Safe::Hole;
2606		3312
2607	$SIG{FPE} = 'IGNORE';	3313	$SIG{FPE} = 'IGNORE';
2608		3314
2609	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3315	$safe->permit_only (Opcode::opset qw(
		3316	:base_core :base_mem :base_orig :base_math :base_loop
		3317	grepstart grepwhile mapstart mapwhile
		3318	sort time
		3319	));
2610		3320
2611	# here we export the classes and methods available to script code	3321	# here we export the classes and methods available to script code
2612		3322
2613	=pod	3323	=pod
2614		3324
2615	The following functions and methods are available within a safe environment:	3325	The following functions and methods are available within a safe environment:
2616		3326
2617	cf::object	3327	cf::object
2618	contr pay_amount pay_player map x y force_find force_add	3328	contr pay_amount pay_player map x y force_find force_add destroy
2619	insert remove	3329	insert remove name archname title slaying race decrease split
		3330	value
2620		3331
2621	cf::object::player	3332	cf::object::player
2622	player	3333	player
2623		3334
2624	cf::player	3335	cf::player
…		…
2629		3340
2630	=cut	3341	=cut
2631		3342
2632	for (	3343	for (
2633	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3344	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2634	insert remove)],	3345	insert remove inv nrof name archname title slaying race
		3346	decrease split destroy change_exp value msg lore send_msg)],
2635	["cf::object::player" => qw(player)],	3347	["cf::object::player" => qw(player)],
2636	["cf::player" => qw(peaceful)],	3348	["cf::player" => qw(peaceful send_msg)],
2637	["cf::map" => qw(trigger)],	3349	["cf::map" => qw(trigger)],
2638	) {	3350	) {
2639	no strict 'refs';
2640	my ($pkg, @funs) = @$_;	3351	my ($pkg, @funs) = @$_;
2641	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3352	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2642	for @funs;	3353	for @funs;
2643	}	3354	}
2644		3355
…		…
2659		3370
2660	my $qcode = $code;	3371	my $qcode = $code;
2661	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3372	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2662	$qcode =~ s/\n/\\n/g;	3373	$qcode =~ s/\n/\\n/g;
2663		3374
		3375	%vars = (_dummy => 0) unless %vars;
		3376
		3377	my @res;
2664	local $_;	3378	local $_;
2665	local @safe::cf::_safe_eval_args = values %vars;
2666		3379
2667	my $eval =	3380	my $eval =
2668	"do {\n"	3381	"do {\n"
2669	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3382	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2670	. "#line 0 \"{$qcode}\"\n"	3383	. "#line 0 \"{$qcode}\"\n"
2671	. $code	3384	. $code
2672	. "\n}"	3385	. "\n}"
2673	;	3386	;
2674		3387
		3388	if ($CFG{safe_eval}) {
2675	sub_generation_inc;	3389	sub_generation_inc;
		3390	local @safe::cf::_safe_eval_args = values %vars;
2676	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3391	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2677	sub_generation_inc;	3392	sub_generation_inc;
		3393	} else {
		3394	local @cf::_safe_eval_args = values %vars;
		3395	@res = wantarray ? eval eval : scalar eval $eval;
		3396	}
2678		3397
2679	if ($@) {	3398	if ($@) {
2680	warn "$@";	3399	warn "$@",
2681	warn "while executing safe code '$code'\n";	3400	"while executing safe code '$code'\n",
2682	warn "with arguments " . (join " ", %vars) . "\n";	3401	"with arguments " . (join " ", %vars) . "\n";
2683	}	3402	}
2684		3403
2685	wantarray ? @res : $res[0]	3404	wantarray ? @res : $res[0]
2686	}	3405	}
2687		3406
…		…
2701	=cut	3420	=cut
2702		3421
2703	sub register_script_function {	3422	sub register_script_function {
2704	my ($fun, $cb) = @_;	3423	my ($fun, $cb) = @_;
2705		3424
2706	no strict 'refs';	3425	$fun = "safe::$fun" if $CFG{safe_eval};
2707	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3426	*$fun = $safe_hole->wrap ($cb);
2708	}	3427	}
2709		3428
2710	=back	3429	=back
2711		3430
2712	=cut	3431	=cut
…		…
2715	# the server's init and main functions	3434	# the server's init and main functions
2716		3435
2717	sub load_facedata($) {	3436	sub load_facedata($) {
2718	my ($path) = @_;	3437	my ($path) = @_;
2719		3438
		3439	# HACK to clear player env face cache, we need some signal framework
		3440	# for this (global event?)
		3441	%ext::player_env::MUSIC_FACE_CACHE = ();
		3442
		3443	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3444
2720	warn "loading facedata from $path\n";	3445	trace "loading facedata from $path\n";
2721		3446
2722	my $facedata;	3447	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		3448
2728	$facedata->{version} == 2	3449	$facedata->{version} == 2
2729	or cf::cleanup "$path: version mismatch, cannot proceed.";	3450	or cf::cleanup "$path: version mismatch, cannot proceed.";
2730		3451
		3452	# patch in the exptable
		3453	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3454	$facedata->{resource}{"res/exp_table"} = {
		3455	type => FT_RSRC,
		3456	data => $exp_table,
		3457	hash => (Digest::MD5::md5 $exp_table),
		3458	};
		3459	cf::cede_to_tick;
		3460
2731	{	3461	{
2732	my $faces = $facedata->{faceinfo};	3462	my $faces = $facedata->{faceinfo};
2733		3463
2734	while (my ($face, $info) = each %$faces) {	3464	while (my ($face, $info) = each %$faces) {
2735	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3465	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3466
2736	cf::face::set_visibility $idx, $info->{visibility};	3467	cf::face::set_visibility $idx, $info->{visibility};
2737	cf::face::set_magicmap $idx, $info->{magicmap};	3468	cf::face::set_magicmap $idx, $info->{magicmap};
2738	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3469	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2739	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3470	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3471	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2740		3472
2741	cf::cede_to_tick;	3473	cf::cede_to_tick;
2742	}	3474	}
2743		3475
2744	while (my ($face, $info) = each %$faces) {	3476	while (my ($face, $info) = each %$faces) {
2745	next unless $info->{smooth};	3477	next unless $info->{smooth};
		3478
2746	my $idx = cf::face::find $face	3479	my $idx = cf::face::find $face
2747	or next;	3480	or next;
		3481
2748	if (my $smooth = cf::face::find $info->{smooth}) {	3482	if (my $smooth = cf::face::find $info->{smooth}) {
2749	cf::face::set_smooth $idx, $smooth;	3483	cf::face::set_smooth $idx, $smooth;
2750	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3484	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2751	} else {	3485	} else {
2752	warn "smooth face '$info->{smooth}' not found for face '$face'";	3486	error "smooth face '$info->{smooth}' not found for face '$face'";
2753	}	3487	}
2754		3488
2755	cf::cede_to_tick;	3489	cf::cede_to_tick;
2756	}	3490	}
2757	}	3491	}
…		…
2766		3500
2767	cf::anim::invalidate_all; # d'oh	3501	cf::anim::invalidate_all; # d'oh
2768	}	3502	}
2769		3503
2770	{	3504	{
2771	# TODO: for gcfclient pleasure, we should give resources
2772	# that gcfclient doesn't grok a >10000 face index.
2773	my $res = $facedata->{resource};	3505	my $res = $facedata->{resource};
2774	my $enc = JSON::XS->new->utf8->canonical;
2775		3506
2776	while (my ($name, $info) = each %$res) {	3507	while (my ($name, $info) = each %$res) {
2777	my $meta = $enc->encode ({	3508	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;	3509	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2784		3510
2785	if ($name =~ /\.jpg$/) {
2786	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3511	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2787	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3512	cf::face::set_type $idx, $info->{type};
2788	} else {	3513	} else {
2789	my $data = pack "(w/a*)*", $meta, $info->{data};	3514	$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	}	3515	}
2795		3516
2796	cf::cede_to_tick;	3517	cf::cede_to_tick;
2797	}	3518	}
2798	}	3519	}
2799		3520
		3521	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3522
2800	1	3523	1
2801	}	3524	}
2802		3525
		3526	register_exticmd fx_want => sub {
		3527	my ($ns, $want) = @_;
		3528
		3529	while (my ($k, $v) = each %$want) {
		3530	$ns->fx_want ($k, $v);
		3531	}
		3532	};
		3533
		3534	sub load_resource_file($) {
		3535	my $guard = lock_acquire "load_resource_file";
		3536
		3537	my $status = load_resource_file_ $_[0];
		3538	get_slot 0.1, 100;
		3539	cf::arch::commit_load;
		3540
		3541	$status
		3542	}
		3543
2803	sub reload_regions {	3544	sub reload_regions {
		3545	# HACK to clear player env face cache, we need some signal framework
		3546	# for this (global event?)
		3547	%ext::player_env::MUSIC_FACE_CACHE = ();
		3548
2804	load_resource_file "$MAPDIR/regions"	3549	load_resource_file "$MAPDIR/regions"
2805	or die "unable to load regions file\n";	3550	or die "unable to load regions file\n";
2806		3551
2807	for (cf::region::list) {	3552	for (cf::region::list) {
2808	$_->{match} = qr/$_->{match}/	3553	$_->{match} = qr/$_->{match}/
…		…
2816	}	3561	}
2817		3562
2818	sub reload_archetypes {	3563	sub reload_archetypes {
2819	load_resource_file "$DATADIR/archetypes"	3564	load_resource_file "$DATADIR/archetypes"
2820	or die "unable to load archetypes\n";	3565	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	}	3566	}
2827		3567
2828	sub reload_treasures {	3568	sub reload_treasures {
2829	load_resource_file "$DATADIR/treasures"	3569	load_resource_file "$DATADIR/treasures"
2830	or die "unable to load treasurelists\n";	3570	or die "unable to load treasurelists\n";
2831	}	3571	}
2832		3572
		3573	sub reload_sound {
		3574	trace "loading sound config from $DATADIR/sound\n";
		3575
		3576	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3577
		3578	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3579	my $sound = $soundconf->{compat}[$_]
		3580	or next;
		3581
		3582	my $face = cf::face::find "sound/$sound->[1]";
		3583	cf::sound::set $sound->[0] => $face;
		3584	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3585	}
		3586
		3587	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3588	my $face = cf::face::find "sound/$v";
		3589	cf::sound::set $k => $face;
		3590	}
		3591	}
		3592
2833	sub reload_resources {	3593	sub reload_resources {
2834	warn "reloading resource files...\n";	3594	trace "reloading resource files...\n";
2835		3595
		3596	reload_exp_table;
		3597	reload_materials;
		3598	reload_facedata;
		3599	reload_sound;
		3600	reload_archetypes;
2836	reload_regions;	3601	reload_regions;
2837	reload_facedata;
2838	#reload_archetypes;#d#
2839	reload_archetypes;
2840	reload_treasures;	3602	reload_treasures;
2841		3603
2842	warn "finished reloading resource files\n";	3604	trace "finished reloading resource files\n";
2843	}	3605	}
2844		3606
2845	sub init {	3607	sub reload_config {
2846	reload_resources;	3608	trace "reloading config file...\n";
2847	}
2848		3609
2849	sub cfg_load {	3610	my $config = load_file "$CONFDIR/config";
2850	open my $fh, "<:utf8", "$CONFDIR/config"	3611	utf8::decode $config;
2851	or return;	3612	*CFG = decode_yaml $config;
2852		3613
2853	local $/;
2854	*CFG = YAML::Syck::Load <$fh>;
2855
2856	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3614	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2857		3615
2858	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3616	$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};	3617	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2860		3618
2861	if (exists $CFG{mlockall}) {	3619	if (exists $CFG{mlockall}) {
…		…
2865	};	3623	};
2866	warn $@ if $@;	3624	warn $@ if $@;
2867	}	3625	}
2868	}	3626	}
2869		3627
		3628	sub pidfile() {
		3629	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3630	or die "$PIDFILE: $!";
		3631	flock $fh, &Fcntl::LOCK_EX
		3632	or die "$PIDFILE: flock: $!";
		3633	$fh
		3634	}
		3635
		3636	# make sure only one server instance is running at any one time
		3637	sub atomic {
		3638	my $fh = pidfile;
		3639
		3640	my $pid = <$fh>;
		3641	kill 9, $pid if $pid > 0;
		3642
		3643	seek $fh, 0, 0;
		3644	print $fh $$;
		3645	}
		3646
		3647	sub main_loop {
		3648	trace "EV::loop starting\n";
		3649	if (1) {
		3650	EV::loop;
		3651	}
		3652	trace "EV::loop returned\n";
		3653	goto &main_loop unless $REALLY_UNLOOP;
		3654	}
		3655
2870	sub main {	3656	sub main {
		3657	cf::init_globals; # initialise logging
		3658
		3659	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3660	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3661	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3662	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3663
		3664	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3665
2871	# we must not ever block the main coroutine	3666	# we must not ever block the main coroutine
2872	local $Coro::idle = sub {	3667	local $Coro::idle = sub {
2873	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3668	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2874	(async {	3669	(async {
2875	Event::one_event;	3670	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3671	EV::loop EV::LOOP_ONESHOT;
2876	})->prio (Coro::PRIO_MAX);	3672	})->prio (Coro::PRIO_MAX);
2877	};	3673	};
2878		3674
2879	cfg_load;	3675	evthread_start IO::AIO::poll_fileno;
		3676
		3677	cf::sync_job {
		3678	cf::incloader::init ();
		3679
		3680	cf::init_anim;
		3681	cf::init_attackmess;
		3682	cf::init_dynamic;
		3683
		3684	cf::load_settings;
		3685
		3686	reload_resources;
		3687	reload_config;
2880	db_init;	3688	db_init;
		3689
		3690	cf::init_uuid;
		3691	cf::init_signals;
		3692	cf::init_skills;
		3693
		3694	cf::init_beforeplay;
		3695
		3696	atomic;
		3697
2881	load_extensions;	3698	load_extensions;
2882		3699
2883	$TICK_WATCHER->start;	3700	utime time, time, $RUNTIMEFILE;
2884	Event::loop;	3701
		3702	# no (long-running) fork's whatsoever before this point(!)
		3703	use POSIX ();
		3704	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3705
		3706	cf::_post_init 0;
		3707	};
		3708
		3709	cf::object::thawer::errors_are_fatal 0;
		3710	info "parse errors in files are no longer fatal from this point on.\n";
		3711
		3712	my $free_main; $free_main = EV::idle sub {
		3713	undef $free_main;
		3714	undef &main; # free gobs of memory :)
		3715	};
		3716
		3717	goto &main_loop;
2885	}	3718	}
2886		3719
2887	#############################################################################	3720	#############################################################################
2888	# initialisation and cleanup	3721	# initialisation and cleanup
2889		3722
2890	# install some emergency cleanup handlers	3723	# install some emergency cleanup handlers
2891	BEGIN {	3724	BEGIN {
		3725	our %SIGWATCHER = ();
2892	for my $signal (qw(INT HUP TERM)) {	3726	for my $signal (qw(INT HUP TERM)) {
2893	Event->signal (	3727	$SIGWATCHER{$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";	3728	cf::cleanup "SIG$signal";
2900	},
2901	);	3729	};
2902	}	3730	}
2903	}	3731	}
2904		3732
2905	sub write_runtime {	3733	sub write_runtime_sync {
2906	my $runtime = "$LOCALDIR/runtime";	3734	my $t0 = AE::time;
2907		3735
2908	# first touch the runtime file to show we are still running:	3736	# first touch the runtime file to show we are still running:
2909	# the fsync below can take a very very long time.	3737	# the fsync below can take a very very long time.
2910		3738
2911	IO::AIO::aio_utime $runtime, undef, undef;	3739	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2912		3740
2913	my $guard = cf::lock_acquire "write_runtime";	3741	my $guard = cf::lock_acquire "write_runtime";
2914		3742
2915	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3743	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2916	or return;	3744	or return;
2917		3745
2918	my $value = $cf::RUNTIME + 90 + 10;	3746	my $value = $cf::RUNTIME + 90 + 10;
2919	# 10 is the runtime save interval, for a monotonic clock	3747	# 10 is the runtime save interval, for a monotonic clock
2920	# 60 allows for the watchdog to kill the server.	3748	# 60 allows for the watchdog to kill the server.
…		…
2930	aio_utime $fh, undef, undef;	3758	aio_utime $fh, undef, undef;
2931		3759
2932	close $fh	3760	close $fh
2933	or return;	3761	or return;
2934		3762
2935	aio_rename "$runtime~", $runtime	3763	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2936	and return;	3764	and return;
2937		3765
2938	warn "runtime file written.\n";	3766	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2939		3767
2940	1	3768	1
		3769	}
		3770
		3771	our $uuid_lock;
		3772	our $uuid_skip;
		3773
		3774	sub write_uuid_sync($) {
		3775	$uuid_skip ||= $_[0];
		3776
		3777	return if $uuid_lock;
		3778	local $uuid_lock = 1;
		3779
		3780	my $uuid = "$LOCALDIR/uuid";
		3781
		3782	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3783	or return;
		3784
		3785	my $value = uuid_seq uuid_cur;
		3786
		3787	unless ($value) {
		3788	info "cowardly refusing to write zero uuid value!\n";
		3789	return;
		3790	}
		3791
		3792	my $value = uuid_str $value + $uuid_skip;
		3793	$uuid_skip = 0;
		3794
		3795	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3796	and return;
		3797
		3798	# always fsync - this file is important
		3799	aio_fsync $fh
		3800	and return;
		3801
		3802	close $fh
		3803	or return;
		3804
		3805	aio_rename "$uuid~", $uuid
		3806	and return;
		3807
		3808	trace "uuid file written ($value).\n";
		3809
		3810	1
		3811
		3812	}
		3813
		3814	sub write_uuid($$) {
		3815	my ($skip, $sync) = @_;
		3816
		3817	$sync ? write_uuid_sync $skip
		3818	: async { write_uuid_sync $skip };
2941	}	3819	}
2942		3820
2943	sub emergency_save() {	3821	sub emergency_save() {
2944	my $freeze_guard = cf::freeze_mainloop;	3822	my $freeze_guard = cf::freeze_mainloop;
2945		3823
2946	warn "enter emergency perl save\n";	3824	info "emergency_perl_save: enter\n";
		3825
		3826	# this is a trade-off: we want to be very quick here, so
		3827	# save all maps without fsync, and later call a global sync
		3828	# (which in turn might be very very slow)
		3829	local $USE_FSYNC = 0;
2947		3830
2948	cf::sync_job {	3831	cf::sync_job {
		3832	cf::write_runtime_sync; # external watchdog should not bark
		3833
2949	# use a peculiar iteration method to avoid tripping on perl	3834	# use a peculiar iteration method to avoid tripping on perl
2950	# refcount bugs in for. also avoids problems with players	3835	# refcount bugs in for. also avoids problems with players
2951	# and maps saved/destroyed asynchronously.	3836	# and maps saved/destroyed asynchronously.
2952	warn "begin emergency player save\n";	3837	info "emergency_perl_save: begin player save\n";
2953	for my $login (keys %cf::PLAYER) {	3838	for my $login (keys %cf::PLAYER) {
2954	my $pl = $cf::PLAYER{$login} or next;	3839	my $pl = $cf::PLAYER{$login} or next;
2955	$pl->valid or next;	3840	$pl->valid or next;
		3841	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2956	$pl->save;	3842	$pl->save;
2957	}	3843	}
2958	warn "end emergency player save\n";	3844	info "emergency_perl_save: end player save\n";
2959		3845
2960	warn "begin emergency map save\n";	3846	cf::write_runtime_sync; # external watchdog should not bark
		3847
		3848	info "emergency_perl_save: begin map save\n";
2961	for my $path (keys %cf::MAP) {	3849	for my $path (keys %cf::MAP) {
2962	my $map = $cf::MAP{$path} or next;	3850	my $map = $cf::MAP{$path} or next;
2963	$map->valid or next;	3851	$map->valid or next;
2964	$map->save;	3852	$map->save;
2965	}	3853	}
2966	warn "end emergency map save\n";	3854	info "emergency_perl_save: end map save\n";
2967		3855
2968	warn "begin emergency database checkpoint\n";	3856	cf::write_runtime_sync; # external watchdog should not bark
		3857
		3858	info "emergency_perl_save: begin database checkpoint\n";
2969	BDB::db_env_txn_checkpoint $DB_ENV;	3859	BDB::db_env_txn_checkpoint $DB_ENV;
2970	warn "end emergency database checkpoint\n";	3860	info "emergency_perl_save: end database checkpoint\n";
		3861
		3862	info "emergency_perl_save: begin write uuid\n";
		3863	write_uuid_sync 1;
		3864	info "emergency_perl_save: end write uuid\n";
		3865
		3866	cf::write_runtime_sync; # external watchdog should not bark
		3867
		3868	trace "emergency_perl_save: syncing database to disk";
		3869	BDB::db_env_txn_checkpoint $DB_ENV;
		3870
		3871	info "emergency_perl_save: starting sync\n";
		3872	IO::AIO::aio_sync sub {
		3873	info "emergency_perl_save: finished sync\n";
		3874	};
		3875
		3876	cf::write_runtime_sync; # external watchdog should not bark
		3877
		3878	trace "emergency_perl_save: flushing outstanding aio requests";
		3879	while (IO::AIO::nreqs || BDB::nreqs) {
		3880	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3881	}
		3882
		3883	cf::write_runtime_sync; # external watchdog should not bark
2971	};	3884	};
2972		3885
2973	warn "leave emergency perl save\n";	3886	info "emergency_perl_save: leave\n";
2974	}	3887	}
2975		3888
2976	sub post_cleanup {	3889	sub post_cleanup {
2977	my ($make_core) = @_;	3890	my ($make_core) = @_;
2978		3891
		3892	IO::AIO::flush;
		3893
2979	warn Carp::longmess "post_cleanup backtrace"	3894	error Carp::longmess "post_cleanup backtrace"
2980	if $make_core;	3895	if $make_core;
		3896
		3897	my $fh = pidfile;
		3898	unlink $PIDFILE if <$fh> == $$;
		3899	}
		3900
		3901	# a safer delete_package, copied from Symbol
		3902	sub clear_package($) {
		3903	my $pkg = shift;
		3904
		3905	# expand to full symbol table name if needed
		3906	unless ($pkg =~ /^main::.*::$/) {
		3907	$pkg = "main$pkg" if $pkg =~ /^::/;
		3908	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3909	$pkg .= '::' unless $pkg =~ /::$/;
		3910	}
		3911
		3912	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3913	my $stem_symtab = *{$stem}{HASH};
		3914
		3915	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3916	or return;
		3917
		3918	# clear all symbols
		3919	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3920	for my $name (keys %$leaf_symtab) {
		3921	_gv_clear *{"$pkg$name"};
		3922	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3923	}
2981	}	3924	}
2982		3925
2983	sub do_reload_perl() {	3926	sub do_reload_perl() {
2984	# can/must only be called in main	3927	# can/must only be called in main
2985	if ($Coro::current != $Coro::main) {	3928	unless (in_main) {
2986	warn "can only reload from main coroutine";	3929	error "can only reload from main coroutine";
2987	return;	3930	return;
2988	}	3931	}
2989		3932
2990	warn "reloading...";	3933	return if $RELOAD++;
2991		3934
2992	warn "entering sync_job";	3935	my $t1 = AE::time;
2993		3936
		3937	while ($RELOAD) {
		3938	cf::get_slot 0.1, -1, "reload_perl";
		3939	info "perl_reload: reloading...";
		3940
		3941	trace "perl_reload: entering sync_job";
		3942
2994	cf::sync_job {	3943	cf::sync_job {
2995	cf::write_runtime; # external watchdog should not bark
2996	cf::emergency_save;	3944	#cf::emergency_save;
2997	cf::write_runtime; # external watchdog should not bark
2998		3945
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";	3946	trace "perl_reload: cancelling all extension coros";
3021	$_->cancel for values %EXT_CORO;	3947	$_->cancel for values %EXT_CORO;
3022	%EXT_CORO = ();	3948	%EXT_CORO = ();
3023		3949
3024	warn "removing commands";	3950	trace "perl_reload: removing commands";
3025	%COMMAND = ();	3951	%COMMAND = ();
3026		3952
3027	warn "removing ext/exti commands";	3953	trace "perl_reload: removing ext/exti commands";
3028	%EXTCMD = ();	3954	%EXTCMD = ();
3029	%EXTICMD = ();	3955	%EXTICMD = ();
3030		3956
3031	warn "unloading/nuking all extensions";	3957	trace "perl_reload: unloading/nuking all extensions";
3032	for my $pkg (@EXTS) {	3958	for my $pkg (@EXTS) {
3033	warn "... unloading $pkg";	3959	trace "... unloading $pkg";
3034		3960
3035	if (my $cb = $pkg->can ("unload")) {	3961	if (my $cb = $pkg->can ("unload")) {
3036	eval {	3962	eval {
3037	$cb->($pkg);	3963	$cb->($pkg);
3038	1	3964	1
3039	} or warn "$pkg unloaded, but with errors: $@";	3965	} or error "$pkg unloaded, but with errors: $@";
		3966	}
		3967
		3968	trace "... clearing $pkg";
		3969	clear_package $pkg;
3040	}	3970	}
3041		3971
3042	warn "... nuking $pkg";
3043	Symbol::delete_package $pkg;
3044	}
3045
3046	warn "unloading all perl modules loaded from $LIBDIR";	3972	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3047	while (my ($k, $v) = each %INC) {	3973	while (my ($k, $v) = each %INC) {
3048	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3974	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3049		3975
3050	warn "... unloading $k";	3976	trace "... unloading $k";
3051	delete $INC{$k};	3977	delete $INC{$k};
3052		3978
3053	$k =~ s/\.pm$//;	3979	$k =~ s/\.pm$//;
3054	$k =~ s/\//::/g;	3980	$k =~ s/\//::/g;
3055		3981
3056	if (my $cb = $k->can ("unload_module")) {	3982	if (my $cb = $k->can ("unload_module")) {
3057	$cb->();	3983	$cb->();
		3984	}
		3985
		3986	clear_package $k;
3058	}	3987	}
3059		3988
3060	Symbol::delete_package $k;
3061	}
3062
3063	warn "getting rid of safe::, as good as possible";	3989	trace "perl_reload: getting rid of safe::, as good as possible";
3064	Symbol::delete_package "safe::$_"	3990	clear_package "safe::$_"
3065	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3991	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3066		3992
3067	warn "unloading cf.pm \"a bit\"";	3993	trace "perl_reload: unloading cf.pm \"a bit\"";
3068	delete $INC{"cf.pm"};	3994	delete $INC{"cf.pm"};
3069	delete $INC{"cf/pod.pm"};	3995	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3070		3996
3071	# don't, removes xs symbols, too,	3997	# don't, removes xs symbols, too,
3072	# and global variables created in xs	3998	# and global variables created in xs
3073	#Symbol::delete_package __PACKAGE__;	3999	#clear_package __PACKAGE__;
3074		4000
3075	warn "unload completed, starting to reload now";	4001	info "perl_reload: unload completed, starting to reload now";
3076		4002
3077	warn "reloading cf.pm";	4003	trace "perl_reload: reloading cf.pm";
3078	require cf;	4004	require cf;
3079	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4005	cf::_connect_to_perl_1;
3080		4006
3081	warn "loading config and database again";	4007	trace "perl_reload: loading config and database again";
3082	cf::cfg_load;	4008	cf::reload_config;
3083		4009
3084	warn "loading extensions";	4010	trace "perl_reload: loading extensions";
3085	cf::load_extensions;	4011	cf::load_extensions;
3086		4012
		4013	if ($REATTACH_ON_RELOAD) {
3087	warn "reattaching attachments to objects/players";	4014	trace "perl_reload: reattaching attachments to objects/players";
3088	_global_reattach; # objects, sockets	4015	_global_reattach; # objects, sockets
3089	warn "reattaching attachments to maps";	4016	trace "perl_reload: reattaching attachments to maps";
3090	reattach $_ for values %MAP;	4017	reattach $_ for values %MAP;
3091	warn "reattaching attachments to players";	4018	trace "perl_reload: reattaching attachments to players";
3092	reattach $_ for values %PLAYER;	4019	reattach $_ for values %PLAYER;
		4020	}
3093		4021
3094	warn "leaving sync_job";	4022	cf::_post_init 1;
3095		4023
		4024	trace "perl_reload: leaving sync_job";
		4025
3096	1	4026	1
3097	} or do {	4027	} or do {
3098	warn $@;	4028	error $@;
3099	warn "error while reloading, exiting.";	4029	cf::cleanup "perl_reload: error, exiting.";
3100	exit 1;	4030	};
		4031
		4032	--$RELOAD;
3101	};	4033	}
3102		4034
3103	warn "reloaded";	4035	$t1 = AE::time - $t1;
		4036	info "perl_reload: completed in ${t1}s\n";
3104	};	4037	};
3105		4038
3106	our $RELOAD_WATCHER; # used only during reload	4039	our $RELOAD_WATCHER; # used only during reload
3107		4040
3108	sub reload_perl() {	4041	sub reload_perl() {
3109	# doing reload synchronously and two reloads happen back-to-back,	4042	# doing reload synchronously and two reloads happen back-to-back,
3110	# coro crashes during coro_state_free->destroy here.	4043	# coro crashes during coro_state_free->destroy here.
3111		4044
3112	$RELOAD_WATCHER ||= Event->timer (	4045	$RELOAD_WATCHER ||= cf::async {
3113	reentrant => 0,	4046	Coro::AIO::aio_wait cache_extensions;
3114	after => 0,	4047
3115	data => WF_AUTOCANCEL,	4048	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3116	cb => sub {
3117	do_reload_perl;	4049	do_reload_perl;
3118	undef $RELOAD_WATCHER;	4050	undef $RELOAD_WATCHER;
3119	},	4051	};
3120	);	4052	};
3121	}	4053	}
3122		4054
3123	register_command "reload" => sub {	4055	register_command "reload" => sub {
3124	my ($who, $arg) = @_;	4056	my ($who, $arg) = @_;
3125		4057
3126	if ($who->flag (FLAG_WIZ)) {	4058	if ($who->flag (FLAG_WIZ)) {
3127	$who->message ("reloading server.");	4059	$who->message ("reloading server.");
		4060	async {
		4061	$Coro::current->{desc} = "perl_reload";
3128	async { reload_perl };	4062	reload_perl;
		4063	};
3129	}	4064	}
3130	};	4065	};
3131		4066
3132	unshift @INC, $LIBDIR;	4067	#############################################################################
3133		4068
3134	my $bug_warning = 0;	4069	my $bug_warning = 0;
3135		4070
3136	our @WAIT_FOR_TICK;	4071	our @WAIT_FOR_TICK;
3137	our @WAIT_FOR_TICK_BEGIN;	4072	our @WAIT_FOR_TICK_BEGIN;
3138		4073
3139	sub wait_for_tick {	4074	sub wait_for_tick() {
3140	return unless $TICK_WATCHER->is_active;
3141	return if $Coro::current == $Coro::main;	4075	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3142		4076
3143	my $signal = new Coro::Signal;	4077	my $signal = new Coro::Signal;
3144	push @WAIT_FOR_TICK, $signal;	4078	push @WAIT_FOR_TICK, $signal;
3145	$signal->wait;	4079	$signal->wait;
3146	}	4080	}
3147		4081
3148	sub wait_for_tick_begin {	4082	sub wait_for_tick_begin() {
3149	return unless $TICK_WATCHER->is_active;
3150	return if $Coro::current == $Coro::main;	4083	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3151		4084
3152	my $signal = new Coro::Signal;	4085	my $signal = new Coro::Signal;
3153	push @WAIT_FOR_TICK_BEGIN, $signal;	4086	push @WAIT_FOR_TICK_BEGIN, $signal;
3154	$signal->wait;	4087	$signal->wait;
3155	}	4088	}
3156		4089
3157	my $min = 1e6;#d#	4090	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 != $Coro::main) {	4091	if ($Coro::current != $Coro::main) {
3167	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4092	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3168	unless ++$bug_warning > 10;	4093	unless ++$bug_warning > 10;
3169	return;	4094	return;
3170	}	4095	}
3171		4096
3172	$NOW = $tick_start = Event::time;
3173
3174	cf::server_tick; # one server iteration	4097	cf::server_tick; # one server iteration
3175		4098
3176	0 && sync_job {#d#	4099	#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		4100
3182	$map->width (50);	4101	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3183	$map->height (50);	4102	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3184	$map->alloc;	4103	Coro::async_pool {
3185	$map->_load_objects ("/tmp/x.map", 1);	4104	$Coro::current->{desc} = "runtime saver";
3186	my $t = Event::time - $t;	4105	write_runtime_sync
3187		4106	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	};	4107	};
		4108	}
3198		4109
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) {	4110	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3214	$sig->send;	4111	$sig->send;
3215	}	4112	}
3216	while (my $sig = shift @WAIT_FOR_TICK) {	4113	while (my $sig = shift @WAIT_FOR_TICK) {
3217	$sig->send;	4114	$sig->send;
3218	}	4115	}
3219		4116
3220	$NOW = Event::time;	4117	$LOAD = ($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;	4118	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3230		4119
3231	_post_tick;	4120	if (0) {
3232		4121	if ($NEXT_TICK) {
3233		4122	my $jitter = $TICK_START - $NEXT_TICK;
		4123	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4124	debug "jitter $JITTER\n";#d#
		4125	}
3234	},	4126	}
3235	);	4127	}
3236		4128
3237	{	4129	{
3238	BDB::max_poll_time $TICK * 0.1;	4130	# configure BDB
3239	$BDB_POLL_WATCHER = Event->io (	4131
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;	4132	BDB::min_parallel 16;
3248		4133	BDB::max_poll_reqs $TICK * 0.1;
3249	BDB::set_sync_prepare {	4134	$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	$! = $status;
3260	},
3261	)
3262	};
3263		4135
3264	unless ($DB_ENV) {	4136	unless ($DB_ENV) {
3265	$DB_ENV = BDB::db_env_create;	4137	$DB_ENV = BDB::db_env_create;
		4138	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4139	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4140	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4141	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4142	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3266		4143
3267	cf::sync_job {	4144	cf::sync_job {
3268	eval {	4145	eval {
3269	BDB::db_env_open	4146	BDB::db_env_open
3270	$DB_ENV,	4147	$DB_ENV,
…		…
3272	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4149	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3273	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4150	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3274	0666;	4151	0666;
3275		4152
3276	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4153	cf::cleanup "db_env_open($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	};	4154	};
3281		4155
3282	cf::cleanup "db_env_open(db): $@" if $@;	4156	cf::cleanup "db_env_open(db): $@" if $@;
3283	};	4157	};
3284	}	4158	}
		4159
		4160	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4161	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4162	};
		4163	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4164	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4165	};
		4166	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4167	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4168	};
3285	}	4169	}
3286		4170
3287	{	4171	{
		4172	# configure IO::AIO
		4173
3288	IO::AIO::min_parallel 8;	4174	IO::AIO::min_parallel 8;
3289
3290	undef $Coro::AIO::WATCHER;
3291	IO::AIO::max_poll_time $TICK * 0.1;	4175	IO::AIO::max_poll_time $TICK * 0.1;
3292	$AIO_POLL_WATCHER = Event->io (	4176	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	}	4177	}
3301		4178
3302	my $_log_backtrace;	4179	our $_log_backtrace;
		4180	our $_log_backtrace_last;
3303		4181
3304	sub _log_backtrace {	4182	sub _log_backtrace {
3305	my ($msg, @addr) = @_;	4183	my ($msg, @addr) = @_;
3306		4184
3307	$msg =~ s/\n//;	4185	$msg =~ s/\n$//;
3308		4186
		4187	if ($_log_backtrace_last eq $msg) {
		4188	LOG llevInfo, "[ABT] $msg\n";
		4189	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3309	# limit the # of concurrent backtraces	4190	# limit the # of concurrent backtraces
3310	if ($_log_backtrace < 2) {	4191	} elsif ($_log_backtrace < 2) {
		4192	$_log_backtrace_last = $msg;
3311	++$_log_backtrace;	4193	++$_log_backtrace;
		4194	my $perl_bt = Carp::longmess $msg;
3312	async {	4195	async {
		4196	$Coro::current->{desc} = "abt $msg";
		4197
3313	my @bt = fork_call {	4198	my @bt = fork_call {
3314	@addr = map { sprintf "%x", $_ } @addr;	4199	@addr = map { sprintf "%x", $_ } @addr;
3315	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4200	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3316	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4201	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3317	or die "addr2line: $!";	4202	or die "addr2line: $!";
…		…
3325	}	4210	}
3326		4211
3327	@funcs	4212	@funcs
3328	};	4213	};
3329		4214
3330	LOG llevInfo, "[ABT] $msg\n";	4215	LOG llevInfo, "[ABT] $perl_bt\n";
		4216	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3331	LOG llevInfo, "[ABT] $_\n" for @bt;	4217	LOG llevInfo, "[ABT] $_\n" for @bt;
3332	--$_log_backtrace;	4218	--$_log_backtrace;
3333	};	4219	};
3334	} else {	4220	} else {
3335	LOG llevInfo, "[ABT] $msg\n";	4221	LOG llevInfo, "[ABT] $msg\n";
3336	LOG llevInfo, "[ABT] [suppressed]\n";	4222	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3337	}	4223	}
3338	}	4224	}
3339		4225
3340	# load additional modules	4226	# load additional modules
3341	use cf::pod;	4227	require "cf/$_.pm" for @EXTRA_MODULES;
		4228	cf::_connect_to_perl_2;
3342		4229
3343	END { cf::emergency_save }	4230	END { cf::emergency_save }
3344		4231
3345	1	4232	1
3346		4233

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